s3-samr: Fix potential memory leak in _samr_ChangePasswordUser().
[ira/wip.git] / source3 / rpc_server / srv_samr_nt.c
index 0623dfb4f9637eee9bddc0c396226ca4af1ca6f1..389a6d532f0f6b4f3103c20844fe8c772020a5fb 100644 (file)
@@ -32,6 +32,7 @@
  */
 
 #include "includes.h"
+#include "../libcli/auth/libcli_auth.h"
 
 #undef DBGC_CLASS
 #define DBGC_CLASS DBGC_RPC_SRV
 #define MAX_SAM_ENTRIES_W2K 0x400 /* 1024 */
 #define MAX_SAM_ENTRIES_W95 50
 
+struct samr_connect_info {
+       uint8_t dummy;
+};
+
+struct samr_domain_info {
+       struct dom_sid sid;
+       struct disp_info *disp_info;
+};
+
+struct samr_user_info {
+       struct dom_sid sid;
+};
+
+struct samr_group_info {
+       struct dom_sid sid;
+};
+
+struct samr_alias_info {
+       struct dom_sid sid;
+};
+
 typedef struct disp_info {
        DOM_SID sid; /* identify which domain this is. */
-       bool builtin_domain; /* Quick flag to check if this is the builtin domain. */
        struct pdb_search *users; /* querydispinfo 1 and 4 */
        struct pdb_search *machines; /* querydispinfo 2 */
        struct pdb_search *groups; /* querydispinfo 3 and 5, enumgroups */
@@ -63,19 +84,6 @@ typedef struct disp_info {
                                                  * handler. */
 } DISP_INFO;
 
-/* We keep a static list of these by SID as modern clients close down
-   all resources between each request in a complete enumeration. */
-
-struct samr_info {
-       /* for use by the \PIPE\samr policy */
-       DOM_SID sid;
-       bool builtin_domain; /* Quick flag to check if this is the builtin domain. */
-       uint32 status; /* some sort of flag.  best to record it.  comes from opnum 0x39 */
-       uint32 acc_granted;
-       DISP_INFO *disp_info;
-       TALLOC_CTX *mem_ctx;
-};
-
 static const struct generic_mapping sam_generic_mapping = {
        GENERIC_RIGHTS_SAM_READ,
        GENERIC_RIGHTS_SAM_WRITE,
@@ -221,36 +229,6 @@ done:
        return status;
 }
 
-/*******************************************************************
- Checks if access to a function can be granted
-********************************************************************/
-
-static NTSTATUS access_check_samr_function(uint32 acc_granted, uint32 acc_required, const char *debug)
-{
-       DEBUG(5,("%s: access check ((granted: %#010x;  required: %#010x)\n",
-               debug, acc_granted, acc_required));
-
-       /* check the security descriptor first */
-
-       if ( (acc_granted&acc_required) == acc_required )
-               return NT_STATUS_OK;
-
-       /* give root a free pass */
-
-       if (geteuid() == sec_initial_uid()) {
-
-               DEBUG(4,("%s: ACCESS should be DENIED (granted: %#010x;  required: %#010x)\n",
-                       debug, acc_granted, acc_required));
-               DEBUGADD(4,("but overwritten by euid == 0\n"));
-
-               return NT_STATUS_OK;
-       }
-
-       DEBUG(2,("%s: ACCESS DENIED (granted: %#010x;  required: %#010x)\n",
-               debug, acc_granted, acc_required));
-
-       return NT_STATUS_ACCESS_DENIED;
-}
 
 /*******************************************************************
  Map any MAXIMUM_ALLOWED_ACCESS request to a valid access set.
@@ -298,7 +276,7 @@ static void map_max_allowed_access(const NT_USER_TOKEN *token,
  Fetch or create a dispinfo struct.
 ********************************************************************/
 
-static DISP_INFO *get_samr_dispinfo_by_sid(DOM_SID *psid)
+static DISP_INFO *get_samr_dispinfo_by_sid(const struct dom_sid *psid)
 {
        /*
         * We do a static cache for DISP_INFO's here. Explanation can be found
@@ -320,8 +298,8 @@ static DISP_INFO *get_samr_dispinfo_by_sid(DOM_SID *psid)
         * enumerate stuff, so just cache 2 entries.
         */
 
-       static struct disp_info builtin_dispinfo;
-       static struct disp_info domain_dispinfo;
+       static struct disp_info *builtin_dispinfo;
+       static struct disp_info *domain_dispinfo;
 
        /* There are two cases to consider here:
           1) The SID is a domain SID and we look for an equality match, or
@@ -336,59 +314,37 @@ static DISP_INFO *get_samr_dispinfo_by_sid(DOM_SID *psid)
                /*
                 * Necessary only once, but it does not really hurt.
                 */
-               sid_copy(&builtin_dispinfo.sid, &global_sid_Builtin);
+               if (builtin_dispinfo == NULL) {
+                       builtin_dispinfo = talloc_zero(
+                               talloc_autofree_context(), struct disp_info);
+                       if (builtin_dispinfo == NULL) {
+                               return NULL;
+                       }
+               }
+               sid_copy(&builtin_dispinfo->sid, &global_sid_Builtin);
 
-               return &builtin_dispinfo;
+               return builtin_dispinfo;
        }
 
        if (sid_check_is_domain(psid) || sid_check_is_in_our_domain(psid)) {
                /*
                 * Necessary only once, but it does not really hurt.
                 */
-               sid_copy(&domain_dispinfo.sid, get_global_sam_sid());
+               if (domain_dispinfo == NULL) {
+                       domain_dispinfo = talloc_zero(
+                               talloc_autofree_context(), struct disp_info);
+                       if (domain_dispinfo == NULL) {
+                               return NULL;
+                       }
+               }
+               sid_copy(&domain_dispinfo->sid, get_global_sam_sid());
 
-               return &domain_dispinfo;
+               return domain_dispinfo;
        }
 
        return NULL;
 }
 
-/*******************************************************************
- Create a samr_info struct.
-********************************************************************/
-
-static struct samr_info *get_samr_info_by_sid(DOM_SID *psid)
-{
-       struct samr_info *info;
-       fstring sid_str;
-       TALLOC_CTX *mem_ctx;
-
-       if (psid) {
-               sid_to_fstring(sid_str, psid);
-       } else {
-               fstrcpy(sid_str,"(NULL)");
-       }
-
-       mem_ctx = talloc_init("samr_info for domain sid %s", sid_str);
-
-       if ((info = TALLOC_ZERO_P(mem_ctx, struct samr_info)) == NULL)
-               return NULL;
-
-       DEBUG(10,("get_samr_info_by_sid: created new info for sid %s\n", sid_str));
-       if (psid) {
-               sid_copy( &info->sid, psid);
-               info->builtin_domain = sid_check_is_builtin(psid);
-       } else {
-               DEBUG(10,("get_samr_info_by_sid: created new info for NULL sid.\n"));
-               info->builtin_domain = False;
-       }
-       info->mem_ctx = mem_ctx;
-
-       info->disp_info = get_samr_dispinfo_by_sid(psid);
-
-       return info;
-}
-
 /*******************************************************************
  Function to free the per SID data.
  ********************************************************************/
@@ -403,61 +359,22 @@ static void free_samr_cache(DISP_INFO *disp_info)
 
        become_root();
 
-       if (disp_info->users) {
-               DEBUG(10,("free_samr_cache: deleting users cache\n"));
-               pdb_search_destroy(disp_info->users);
-               disp_info->users = NULL;
-       }
-       if (disp_info->machines) {
-               DEBUG(10,("free_samr_cache: deleting machines cache\n"));
-               pdb_search_destroy(disp_info->machines);
-               disp_info->machines = NULL;
-       }
-       if (disp_info->groups) {
-               DEBUG(10,("free_samr_cache: deleting groups cache\n"));
-               pdb_search_destroy(disp_info->groups);
-               disp_info->groups = NULL;
-       }
-       if (disp_info->aliases) {
-               DEBUG(10,("free_samr_cache: deleting aliases cache\n"));
-               pdb_search_destroy(disp_info->aliases);
-               disp_info->aliases = NULL;
-       }
-       if (disp_info->enum_users) {
-               DEBUG(10,("free_samr_cache: deleting enum_users cache\n"));
-               pdb_search_destroy(disp_info->enum_users);
-               disp_info->enum_users = NULL;
-       }
-       disp_info->enum_acb_mask = 0;
+       TALLOC_FREE(disp_info->users);
+       TALLOC_FREE(disp_info->machines);
+       TALLOC_FREE(disp_info->groups);
+       TALLOC_FREE(disp_info->aliases);
+       TALLOC_FREE(disp_info->enum_users);
 
        unbecome_root();
 }
 
-/*******************************************************************
- Function to free the per handle data.
- ********************************************************************/
-
-static void free_samr_info(void *ptr)
-{
-       struct samr_info *info=(struct samr_info *) ptr;
-
-       /* Only free the dispinfo cache if no one bothered to set up
-          a timeout. */
-
-       if (info->disp_info && info->disp_info->cache_timeout_event == NULL) {
-               free_samr_cache(info->disp_info);
-       }
-
-       talloc_destroy(info->mem_ctx);
-}
-
 /*******************************************************************
  Idle event handler. Throw away the disp info cache.
  ********************************************************************/
 
 static void disp_info_cache_idle_timeout_handler(struct event_context *ev_ctx,
                                                 struct timed_event *te,
-                                                const struct timeval *now,
+                                                struct timeval now,
                                                 void *private_data)
 {
        DISP_INFO *disp_info = (DISP_INFO *)private_data;
@@ -486,7 +403,6 @@ static void set_disp_info_cache_timeout(DISP_INFO *disp_info, time_t secs_fromno
        disp_info->cache_timeout_event = event_add_timed(
                smbd_event_context(), NULL,
                timeval_current_ofs(secs_fromnow, 0),
-               "disp_info_cache_idle_timeout_handler",
                disp_info_cache_idle_timeout_handler, (void *)disp_info);
 }
 
@@ -495,8 +411,10 @@ static void set_disp_info_cache_timeout(DISP_INFO *disp_info, time_t secs_fromno
  We must also remove the timeout handler.
  ********************************************************************/
 
-static void force_flush_samr_cache(DISP_INFO *disp_info)
+static void force_flush_samr_cache(const struct dom_sid *sid)
 {
+       struct disp_info *disp_info = get_samr_dispinfo_by_sid(sid);
+
        if ((disp_info == NULL) || (disp_info->cache_timeout_event == NULL)) {
                return;
        }
@@ -526,13 +444,13 @@ static uint32 count_sam_users(struct disp_info *info, uint32 acct_flags)
 {
        struct samr_displayentry *entry;
 
-       if (info->builtin_domain) {
+       if (sid_check_is_builtin(&info->sid)) {
                /* No users in builtin. */
                return 0;
        }
 
        if (info->users == NULL) {
-               info->users = pdb_search_users(acct_flags);
+               info->users = pdb_search_users(info, acct_flags);
                if (info->users == NULL) {
                        return 0;
                }
@@ -550,13 +468,13 @@ static uint32 count_sam_groups(struct disp_info *info)
 {
        struct samr_displayentry *entry;
 
-       if (info->builtin_domain) {
+       if (sid_check_is_builtin(&info->sid)) {
                /* No groups in builtin. */
                return 0;
        }
 
        if (info->groups == NULL) {
-               info->groups = pdb_search_groups();
+               info->groups = pdb_search_groups(info);
                if (info->groups == NULL) {
                        return 0;
                }
@@ -575,7 +493,7 @@ static uint32 count_sam_aliases(struct disp_info *info)
        struct samr_displayentry *entry;
 
        if (info->aliases == NULL) {
-               info->aliases = pdb_search_aliases(&info->sid);
+               info->aliases = pdb_search_aliases(info, &info->sid);
                if (info->aliases == NULL) {
                        return 0;
                }
@@ -611,7 +529,8 @@ NTSTATUS _samr_Close(pipes_struct *p, struct samr_Close *r)
 NTSTATUS _samr_OpenDomain(pipes_struct *p,
                          struct samr_OpenDomain *r)
 {
-       struct    samr_info *info;
+       struct samr_connect_info *cinfo;
+       struct samr_domain_info *dinfo;
        SEC_DESC *psd = NULL;
        uint32    acc_granted;
        uint32    des_access = r->in.access_mask;
@@ -621,15 +540,11 @@ NTSTATUS _samr_OpenDomain(pipes_struct *p,
 
        /* find the connection policy handle. */
 
-       if ( !find_policy_by_hnd(p, r->in.connect_handle, (void**)(void *)&info) )
-               return NT_STATUS_INVALID_HANDLE;
-
-       status = access_check_samr_function(info->acc_granted,
-                                           SAMR_ACCESS_OPEN_DOMAIN,
-                                           "_samr_OpenDomain" );
-
-       if ( !NT_STATUS_IS_OK(status) )
+       cinfo = policy_handle_find(p, r->in.connect_handle, 0, NULL,
+                                  struct samr_connect_info, &status);
+       if (!NT_STATUS_IS_OK(status)) {
                return status;
+       }
 
        /*check if access can be granted as requested by client. */
        map_max_allowed_access(p->server_info->ptok, &des_access);
@@ -652,14 +567,13 @@ NTSTATUS _samr_OpenDomain(pipes_struct *p,
                return NT_STATUS_NO_SUCH_DOMAIN;
        }
 
-       /* associate the domain SID with the (unique) handle. */
-       if ((info = get_samr_info_by_sid(r->in.sid))==NULL)
-               return NT_STATUS_NO_MEMORY;
-       info->acc_granted = acc_granted;
-
-       /* get a (unique) handle.  open a policy on it. */
-       if (!create_policy_hnd(p, r->out.domain_handle, free_samr_info, (void *)info))
-               return NT_STATUS_OBJECT_NAME_NOT_FOUND;
+       dinfo = policy_handle_create(p, r->out.domain_handle, acc_granted,
+                                    struct samr_domain_info, &status);
+       if (!NT_STATUS_IS_OK(status)) {
+               return status;
+       }
+       dinfo->sid = *r->in.sid;
+       dinfo->disp_info = get_samr_dispinfo_by_sid(r->in.sid);
 
        DEBUG(5,("_samr_OpenDomain: %d\n", __LINE__));
 
@@ -673,7 +587,7 @@ NTSTATUS _samr_OpenDomain(pipes_struct *p,
 NTSTATUS _samr_GetUserPwInfo(pipes_struct *p,
                             struct samr_GetUserPwInfo *r)
 {
-       struct samr_info *info = NULL;
+       struct samr_user_info *uinfo;
        enum lsa_SidType sid_type;
        uint32_t min_password_length = 0;
        uint32_t password_properties = 0;
@@ -682,24 +596,19 @@ NTSTATUS _samr_GetUserPwInfo(pipes_struct *p,
 
        DEBUG(5,("_samr_GetUserPwInfo: %d\n", __LINE__));
 
-       /* find the policy handle.  open a policy on it. */
-       if (!find_policy_by_hnd(p, r->in.user_handle, (void **)(void *)&info)) {
-               return NT_STATUS_INVALID_HANDLE;
-       }
-
-       status = access_check_samr_function(info->acc_granted,
-                                           SAMR_USER_ACCESS_GET_ATTRIBUTES,
-                                           "_samr_GetUserPwInfo" );
+       uinfo = policy_handle_find(p, r->in.user_handle,
+                                  SAMR_USER_ACCESS_GET_ATTRIBUTES, NULL,
+                                  struct samr_user_info, &status);
        if (!NT_STATUS_IS_OK(status)) {
                return status;
        }
 
-       if (!sid_check_is_in_our_domain(&info->sid)) {
+       if (!sid_check_is_in_our_domain(&uinfo->sid)) {
                return NT_STATUS_OBJECT_TYPE_MISMATCH;
        }
 
        become_root();
-       ret = lookup_sid(p->mem_ctx, &info->sid, NULL, NULL, &sid_type);
+       ret = lookup_sid(p->mem_ctx, &uinfo->sid, NULL, NULL, &sid_type);
        unbecome_root();
        if (ret == false) {
                return NT_STATUS_NO_SUCH_USER;
@@ -731,31 +640,6 @@ NTSTATUS _samr_GetUserPwInfo(pipes_struct *p,
        return NT_STATUS_OK;
 }
 
-/*******************************************************************
-********************************************************************/
-
-static bool get_lsa_policy_samr_sid( pipes_struct *p, POLICY_HND *pol,
-                                       DOM_SID *sid, uint32 *acc_granted,
-                                       DISP_INFO **ppdisp_info)
-{
-       struct samr_info *info = NULL;
-
-       /* find the policy handle.  open a policy on it. */
-       if (!find_policy_by_hnd(p, pol, (void **)(void *)&info))
-               return False;
-
-       if (!info)
-               return False;
-
-       *sid = info->sid;
-       *acc_granted = info->acc_granted;
-       if (ppdisp_info) {
-               *ppdisp_info = info->disp_info;
-       }
-
-       return True;
-}
-
 /*******************************************************************
  _samr_SetSecurity
  ********************************************************************/
@@ -763,15 +647,19 @@ static bool get_lsa_policy_samr_sid( pipes_struct *p, POLICY_HND *pol,
 NTSTATUS _samr_SetSecurity(pipes_struct *p,
                           struct samr_SetSecurity *r)
 {
-       DOM_SID pol_sid;
-       uint32 acc_granted, i;
+       struct samr_user_info *uinfo;
+       uint32 i;
        SEC_ACL *dacl;
        bool ret;
        struct samu *sampass=NULL;
        NTSTATUS status;
 
-       if (!get_lsa_policy_samr_sid(p, r->in.handle, &pol_sid, &acc_granted, NULL))
-               return NT_STATUS_INVALID_HANDLE;
+       uinfo = policy_handle_find(p, r->in.handle,
+                                  SAMR_USER_ACCESS_SET_ATTRIBUTES, NULL,
+                                  struct samr_user_info, &status);
+       if (!NT_STATUS_IS_OK(status)) {
+               return status;
+       }
 
        if (!(sampass = samu_new( p->mem_ctx))) {
                DEBUG(0,("No memory!\n"));
@@ -780,18 +668,19 @@ NTSTATUS _samr_SetSecurity(pipes_struct *p,
 
        /* get the user record */
        become_root();
-       ret = pdb_getsampwsid(sampass, &pol_sid);
+       ret = pdb_getsampwsid(sampass, &uinfo->sid);
        unbecome_root();
 
        if (!ret) {
-               DEBUG(4, ("User %s not found\n", sid_string_dbg(&pol_sid)));
+               DEBUG(4, ("User %s not found\n",
+                         sid_string_dbg(&uinfo->sid)));
                TALLOC_FREE(sampass);
                return NT_STATUS_INVALID_HANDLE;
        }
 
        dacl = r->in.sdbuf->sd->dacl;
        for (i=0; i < dacl->num_aces; i++) {
-               if (sid_equal(&pol_sid, &dacl->aces[i].trustee)) {
+               if (sid_equal(&uinfo->sid, &dacl->aces[i].trustee)) {
                        ret = pdb_set_pass_can_change(sampass,
                                (dacl->aces[i].access_mask &
                                 SAMR_USER_ACCESS_CHANGE_PASSWORD) ?
@@ -805,14 +694,9 @@ NTSTATUS _samr_SetSecurity(pipes_struct *p,
                return NT_STATUS_ACCESS_DENIED;
        }
 
-       status = access_check_samr_function(acc_granted,
-                                           SAMR_USER_ACCESS_SET_ATTRIBUTES,
-                                           "_samr_SetSecurity");
-       if (NT_STATUS_IS_OK(status)) {
-               become_root();
-               status = pdb_update_sam_account(sampass);
-               unbecome_root();
-       }
+       become_root();
+       status = pdb_update_sam_account(sampass);
+       unbecome_root();
 
        TALLOC_FREE(sampass);
 
@@ -860,60 +744,99 @@ static bool check_change_pw_access(TALLOC_CTX *mem_ctx, DOM_SID *user_sid)
 NTSTATUS _samr_QuerySecurity(pipes_struct *p,
                             struct samr_QuerySecurity *r)
 {
+       struct samr_connect_info *cinfo;
+       struct samr_domain_info *dinfo;
+       struct samr_user_info *uinfo;
+       struct samr_group_info *ginfo;
+       struct samr_alias_info *ainfo;
        NTSTATUS status;
-       DOM_SID pol_sid;
        SEC_DESC * psd = NULL;
-       uint32 acc_granted;
        size_t sd_size;
 
-       /* Get the SID. */
-       if (!get_lsa_policy_samr_sid(p, r->in.handle, &pol_sid, &acc_granted, NULL))
-               return NT_STATUS_INVALID_HANDLE;
-
-       DEBUG(10,("_samr_QuerySecurity: querying security on SID: %s\n",
-                 sid_string_dbg(&pol_sid)));
-
-       status = access_check_samr_function(acc_granted,
-                                           STD_RIGHT_READ_CONTROL_ACCESS,
-                                           "_samr_QuerySecurity");
-       if (!NT_STATUS_IS_OK(status)) {
-               return status;
+       cinfo = policy_handle_find(p, r->in.handle,
+                                  STD_RIGHT_READ_CONTROL_ACCESS, NULL,
+                                  struct samr_connect_info, &status);
+       if (NT_STATUS_IS_OK(status)) {
+               DEBUG(5,("_samr_QuerySecurity: querying security on SAM\n"));
+               status = make_samr_object_sd(p->mem_ctx, &psd, &sd_size,
+                                            &sam_generic_mapping, NULL, 0);
+               goto done;
        }
 
-       /* Check what typ of SID is beeing queried (e.g Domain SID, User SID, Group SID) */
-
-       /* To query the security of the SAM it self an invalid SID with S-0-0 is passed to this function */
-       if (pol_sid.sid_rev_num == 0) {
-               DEBUG(5,("_samr_QuerySecurity: querying security on SAM\n"));
-               status = make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &sam_generic_mapping, NULL, 0);
-       } else if (sid_equal(&pol_sid,get_global_sam_sid())) {
-               /* check if it is our domain SID */
+       dinfo = policy_handle_find(p, r->in.handle,
+                                  STD_RIGHT_READ_CONTROL_ACCESS, NULL,
+                                  struct samr_domain_info, &status);
+       if (NT_STATUS_IS_OK(status)) {
                DEBUG(5,("_samr_QuerySecurity: querying security on Domain "
-                        "with SID: %s\n", sid_string_dbg(&pol_sid)));
-               status = make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &dom_generic_mapping, NULL, 0);
-       } else if (sid_equal(&pol_sid,&global_sid_Builtin)) {
-               /* check if it is the Builtin  Domain */
-               /* TODO: Builtin probably needs a different SD with restricted write access*/
-               DEBUG(5,("_samr_QuerySecurity: querying security on Builtin "
-                        "Domain with SID: %s\n", sid_string_dbg(&pol_sid)));
-               status = make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &dom_generic_mapping, NULL, 0);
-       } else if (sid_check_is_in_our_domain(&pol_sid) ||
-                sid_check_is_in_builtin(&pol_sid)) {
-               /* TODO: different SDs have to be generated for aliases groups and users.
-                        Currently all three get a default user SD  */
-               DEBUG(10,("_samr_QuerySecurity: querying security on Object "
-                         "with SID: %s\n", sid_string_dbg(&pol_sid)));
-               if (check_change_pw_access(p->mem_ctx, &pol_sid)) {
-                       status = make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &usr_generic_mapping,
-                                                         &pol_sid, SAMR_USR_RIGHTS_WRITE_PW);
+                        "with SID: %s\n", sid_string_dbg(&dinfo->sid)));
+               /*
+                * TODO: Builtin probably needs a different SD with restricted
+                * write access
+                */
+               status = make_samr_object_sd(p->mem_ctx, &psd, &sd_size,
+                                            &dom_generic_mapping, NULL, 0);
+               goto done;
+       }
+
+       uinfo = policy_handle_find(p, r->in.handle,
+                                  STD_RIGHT_READ_CONTROL_ACCESS, NULL,
+                                  struct samr_user_info, &status);
+       if (NT_STATUS_IS_OK(status)) {
+               DEBUG(10,("_samr_QuerySecurity: querying security on user "
+                         "Object with SID: %s\n",
+                         sid_string_dbg(&uinfo->sid)));
+               if (check_change_pw_access(p->mem_ctx, &uinfo->sid)) {
+                       status = make_samr_object_sd(
+                               p->mem_ctx, &psd, &sd_size,
+                               &usr_generic_mapping,
+                               &uinfo->sid, SAMR_USR_RIGHTS_WRITE_PW);
                } else {
-                       status = make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &usr_nopwchange_generic_mapping,
-                                                         &pol_sid, SAMR_USR_RIGHTS_CANT_WRITE_PW);
+                       status = make_samr_object_sd(
+                               p->mem_ctx, &psd, &sd_size,
+                               &usr_nopwchange_generic_mapping,
+                               &uinfo->sid, SAMR_USR_RIGHTS_CANT_WRITE_PW);
                }
-       } else {
-               return NT_STATUS_OBJECT_TYPE_MISMATCH;
+               goto done;
+       }
+
+       ginfo = policy_handle_find(p, r->in.handle,
+                                  STD_RIGHT_READ_CONTROL_ACCESS, NULL,
+                                  struct samr_group_info, &status);
+       if (NT_STATUS_IS_OK(status)) {
+               /*
+                * TODO: different SDs have to be generated for aliases groups
+                * and users.  Currently all three get a default user SD
+                */
+               DEBUG(10,("_samr_QuerySecurity: querying security on group "
+                         "Object with SID: %s\n",
+                         sid_string_dbg(&ginfo->sid)));
+               status = make_samr_object_sd(
+                       p->mem_ctx, &psd, &sd_size,
+                       &usr_nopwchange_generic_mapping,
+                       &ginfo->sid, SAMR_USR_RIGHTS_CANT_WRITE_PW);
+               goto done;
+       }
+
+       ainfo = policy_handle_find(p, r->in.handle,
+                                  STD_RIGHT_READ_CONTROL_ACCESS, NULL,
+                                  struct samr_alias_info, &status);
+       if (NT_STATUS_IS_OK(status)) {
+               /*
+                * TODO: different SDs have to be generated for aliases groups
+                * and users.  Currently all three get a default user SD
+                */
+               DEBUG(10,("_samr_QuerySecurity: querying security on alias "
+                         "Object with SID: %s\n",
+                         sid_string_dbg(&ainfo->sid)));
+               status = make_samr_object_sd(
+                       p->mem_ctx, &psd, &sd_size,
+                       &usr_nopwchange_generic_mapping,
+                       &ainfo->sid, SAMR_USR_RIGHTS_CANT_WRITE_PW);
+               goto done;
        }
 
+       return NT_STATUS_OBJECT_TYPE_MISMATCH;
+done:
        if ((*r->out.sdbuf = make_sec_desc_buf(p->mem_ctx, sd_size, psd)) == NULL)
                return NT_STATUS_NO_MEMORY;
 
@@ -978,7 +901,7 @@ NTSTATUS _samr_EnumDomainUsers(pipes_struct *p,
                               struct samr_EnumDomainUsers *r)
 {
        NTSTATUS status;
-       struct samr_info *info = NULL;
+       struct samr_domain_info *dinfo;
        int num_account;
        uint32 enum_context = *r->in.resume_handle;
        enum remote_arch_types ra_type = get_remote_arch();
@@ -988,20 +911,16 @@ NTSTATUS _samr_EnumDomainUsers(pipes_struct *p,
        struct samr_SamArray *samr_array = NULL;
        struct samr_SamEntry *samr_entries = NULL;
 
-       /* find the policy handle.  open a policy on it. */
-       if (!find_policy_by_hnd(p, r->in.domain_handle, (void **)(void *)&info))
-               return NT_STATUS_INVALID_HANDLE;
+       DEBUG(5,("_samr_EnumDomainUsers: %d\n", __LINE__));
 
-       status = access_check_samr_function(info->acc_granted,
-                                           SAMR_DOMAIN_ACCESS_ENUM_ACCOUNTS,
-                                           "_samr_EnumDomainUsers");
+       dinfo = policy_handle_find(p, r->in.domain_handle,
+                                  SAMR_DOMAIN_ACCESS_ENUM_ACCOUNTS, NULL,
+                                  struct samr_domain_info, &status);
        if (!NT_STATUS_IS_OK(status)) {
                return status;
        }
 
-       DEBUG(5,("_samr_EnumDomainUsers: %d\n", __LINE__));
-
-       if (info->builtin_domain) {
+       if (sid_check_is_builtin(&dinfo->sid)) {
                /* No users in builtin. */
                *r->out.resume_handle = *r->in.resume_handle;
                DEBUG(5,("_samr_EnumDomainUsers: No users in BUILTIN\n"));
@@ -1012,29 +931,30 @@ NTSTATUS _samr_EnumDomainUsers(pipes_struct *p,
        if (!samr_array) {
                return NT_STATUS_NO_MEMORY;
        }
+       *r->out.sam = samr_array;
 
        become_root();
 
        /* AS ROOT !!!! */
 
-       if ((info->disp_info->enum_users != NULL) &&
-           (info->disp_info->enum_acb_mask != r->in.acct_flags)) {
-               pdb_search_destroy(info->disp_info->enum_users);
-               info->disp_info->enum_users = NULL;
+       if ((dinfo->disp_info->enum_users != NULL) &&
+           (dinfo->disp_info->enum_acb_mask != r->in.acct_flags)) {
+               TALLOC_FREE(dinfo->disp_info->enum_users);
        }
 
-       if (info->disp_info->enum_users == NULL) {
-               info->disp_info->enum_users = pdb_search_users(r->in.acct_flags);
-               info->disp_info->enum_acb_mask = r->in.acct_flags;
+       if (dinfo->disp_info->enum_users == NULL) {
+               dinfo->disp_info->enum_users = pdb_search_users(
+                       dinfo->disp_info, r->in.acct_flags);
+               dinfo->disp_info->enum_acb_mask = r->in.acct_flags;
        }
 
-       if (info->disp_info->enum_users == NULL) {
+       if (dinfo->disp_info->enum_users == NULL) {
                /* END AS ROOT !!!! */
                unbecome_root();
                return NT_STATUS_ACCESS_DENIED;
        }
 
-       num_account = pdb_search_entries(info->disp_info->enum_users,
+       num_account = pdb_search_entries(dinfo->disp_info->enum_users,
                                         enum_context, max_entries,
                                         &entries);
 
@@ -1063,7 +983,7 @@ NTSTATUS _samr_EnumDomainUsers(pipes_struct *p,
        }
 
        /* Ensure we cache this enumeration. */
-       set_disp_info_cache_timeout(info->disp_info, DISP_INFO_CACHE_TIMEOUT);
+       set_disp_info_cache_timeout(dinfo->disp_info, DISP_INFO_CACHE_TIMEOUT);
 
        DEBUG(5, ("_samr_EnumDomainUsers: %d\n", __LINE__));
 
@@ -1071,7 +991,6 @@ NTSTATUS _samr_EnumDomainUsers(pipes_struct *p,
        samr_array->entries = samr_entries;
 
        *r->out.resume_handle = *r->in.resume_handle + num_account;
-       *r->out.sam = samr_array;
        *r->out.num_entries = num_account;
 
        DEBUG(5,("_samr_EnumDomainUsers: %d\n", __LINE__));
@@ -1121,26 +1040,22 @@ NTSTATUS _samr_EnumDomainGroups(pipes_struct *p,
                                struct samr_EnumDomainGroups *r)
 {
        NTSTATUS status;
-       struct samr_info *info = NULL;
+       struct samr_domain_info *dinfo;
        struct samr_displayentry *groups;
        uint32 num_groups;
        struct samr_SamArray *samr_array = NULL;
        struct samr_SamEntry *samr_entries = NULL;
 
-       /* find the policy handle.  open a policy on it. */
-       if (!find_policy_by_hnd(p, r->in.domain_handle, (void **)(void *)&info))
-               return NT_STATUS_INVALID_HANDLE;
-
-       status = access_check_samr_function(info->acc_granted,
-                                           SAMR_DOMAIN_ACCESS_ENUM_ACCOUNTS,
-                                           "_samr_EnumDomainGroups");
+       dinfo = policy_handle_find(p, r->in.domain_handle,
+                                  SAMR_DOMAIN_ACCESS_ENUM_ACCOUNTS, NULL,
+                                  struct samr_domain_info, &status);
        if (!NT_STATUS_IS_OK(status)) {
                return status;
        }
 
        DEBUG(5,("_samr_EnumDomainGroups: %d\n", __LINE__));
 
-       if (info->builtin_domain) {
+       if (sid_check_is_builtin(&dinfo->sid)) {
                /* No groups in builtin. */
                *r->out.resume_handle = *r->in.resume_handle;
                DEBUG(5,("_samr_EnumDomainGroups: No groups in BUILTIN\n"));
@@ -1156,22 +1071,22 @@ NTSTATUS _samr_EnumDomainGroups(pipes_struct *p,
 
        become_root();
 
-       if (info->disp_info->groups == NULL) {
-               info->disp_info->groups = pdb_search_groups();
+       if (dinfo->disp_info->groups == NULL) {
+               dinfo->disp_info->groups = pdb_search_groups(dinfo->disp_info);
 
-               if (info->disp_info->groups == NULL) {
+               if (dinfo->disp_info->groups == NULL) {
                        unbecome_root();
                        return NT_STATUS_ACCESS_DENIED;
                }
        }
 
-       num_groups = pdb_search_entries(info->disp_info->groups,
+       num_groups = pdb_search_entries(dinfo->disp_info->groups,
                                        *r->in.resume_handle,
                                        MAX_SAM_ENTRIES, &groups);
        unbecome_root();
 
        /* Ensure we cache this enumeration. */
-       set_disp_info_cache_timeout(info->disp_info, DISP_INFO_CACHE_TIMEOUT);
+       set_disp_info_cache_timeout(dinfo->disp_info, DISP_INFO_CACHE_TIMEOUT);
 
        make_group_sam_entry_list(p->mem_ctx, &samr_entries,
                                  num_groups, groups);
@@ -1181,9 +1096,7 @@ NTSTATUS _samr_EnumDomainGroups(pipes_struct *p,
 
        *r->out.sam = samr_array;
        *r->out.num_entries = num_groups;
-       /* this was missing, IMHO:
        *r->out.resume_handle = num_groups + *r->in.resume_handle;
-       */
 
        DEBUG(5,("_samr_EnumDomainGroups: %d\n", __LINE__));
 
@@ -1198,26 +1111,22 @@ NTSTATUS _samr_EnumDomainAliases(pipes_struct *p,
                                 struct samr_EnumDomainAliases *r)
 {
        NTSTATUS status;
-       struct samr_info *info;
+       struct samr_domain_info *dinfo;
        struct samr_displayentry *aliases;
        uint32 num_aliases = 0;
        struct samr_SamArray *samr_array = NULL;
        struct samr_SamEntry *samr_entries = NULL;
 
-       /* find the policy handle.  open a policy on it. */
-       if (!find_policy_by_hnd(p, r->in.domain_handle, (void **)(void *)&info))
-               return NT_STATUS_INVALID_HANDLE;
-
-       DEBUG(5,("_samr_EnumDomainAliases: sid %s\n",
-                sid_string_dbg(&info->sid)));
-
-       status = access_check_samr_function(info->acc_granted,
-                                           SAMR_DOMAIN_ACCESS_ENUM_ACCOUNTS,
-                                           "_samr_EnumDomainAliases");
+       dinfo = policy_handle_find(p, r->in.domain_handle,
+                                  SAMR_DOMAIN_ACCESS_ENUM_ACCOUNTS, NULL,
+                                  struct samr_domain_info, &status);
        if (!NT_STATUS_IS_OK(status)) {
                return status;
        }
 
+       DEBUG(5,("_samr_EnumDomainAliases: sid %s\n",
+                sid_string_dbg(&dinfo->sid)));
+
        samr_array = TALLOC_ZERO_P(p->mem_ctx, struct samr_SamArray);
        if (!samr_array) {
                return NT_STATUS_NO_MEMORY;
@@ -1225,21 +1134,22 @@ NTSTATUS _samr_EnumDomainAliases(pipes_struct *p,
 
        become_root();
 
-       if (info->disp_info->aliases == NULL) {
-               info->disp_info->aliases = pdb_search_aliases(&info->sid);
-               if (info->disp_info->aliases == NULL) {
+       if (dinfo->disp_info->aliases == NULL) {
+               dinfo->disp_info->aliases = pdb_search_aliases(
+                       dinfo->disp_info, &dinfo->sid);
+               if (dinfo->disp_info->aliases == NULL) {
                        unbecome_root();
                        return NT_STATUS_ACCESS_DENIED;
                }
        }
 
-       num_aliases = pdb_search_entries(info->disp_info->aliases,
+       num_aliases = pdb_search_entries(dinfo->disp_info->aliases,
                                         *r->in.resume_handle,
                                         MAX_SAM_ENTRIES, &aliases);
        unbecome_root();
 
        /* Ensure we cache this enumeration. */
-       set_disp_info_cache_timeout(info->disp_info, DISP_INFO_CACHE_TIMEOUT);
+       set_disp_info_cache_timeout(dinfo->disp_info, DISP_INFO_CACHE_TIMEOUT);
 
        make_group_sam_entry_list(p->mem_ctx, &samr_entries,
                                  num_aliases, aliases);
@@ -1462,7 +1372,7 @@ NTSTATUS _samr_QueryDisplayInfo(pipes_struct *p,
                                struct samr_QueryDisplayInfo *r)
 {
        NTSTATUS status;
-       struct samr_info *info = NULL;
+       struct samr_domain_info *dinfo;
        uint32 struct_size=0x20; /* W2K always reply that, client doesn't care */
 
        uint32 max_entries = r->in.max_entries;
@@ -1480,17 +1390,18 @@ NTSTATUS _samr_QueryDisplayInfo(pipes_struct *p,
 
        DEBUG(5,("_samr_QueryDisplayInfo: %d\n", __LINE__));
 
-       /* find the policy handle.  open a policy on it. */
-       if (!find_policy_by_hnd(p, r->in.domain_handle, (void **)(void *)&info))
-               return NT_STATUS_INVALID_HANDLE;
-
-       status = access_check_samr_function(info->acc_granted,
-                                           SAMR_DOMAIN_ACCESS_ENUM_ACCOUNTS,
-                                           "_samr_QueryDisplayInfo");
+       dinfo = policy_handle_find(p, r->in.domain_handle,
+                                  SAMR_DOMAIN_ACCESS_ENUM_ACCOUNTS, NULL,
+                                  struct samr_domain_info, &status);
        if (!NT_STATUS_IS_OK(status)) {
                return status;
        }
 
+       if (sid_check_is_builtin(&dinfo->sid)) {
+               DEBUG(5,("_samr_QueryDisplayInfo: no users in BUILTIN\n"));
+               return NT_STATUS_OK;
+       }
+
        /*
         * calculate how many entries we will return.
         * based on
@@ -1551,9 +1462,10 @@ NTSTATUS _samr_QueryDisplayInfo(pipes_struct *p,
        switch (r->in.level) {
        case 0x1:
        case 0x4:
-               if (info->disp_info->users == NULL) {
-                       info->disp_info->users = pdb_search_users(ACB_NORMAL);
-                       if (info->disp_info->users == NULL) {
+               if (dinfo->disp_info->users == NULL) {
+                       dinfo->disp_info->users = pdb_search_users(
+                               dinfo->disp_info, ACB_NORMAL);
+                       if (dinfo->disp_info->users == NULL) {
                                unbecome_root();
                                return NT_STATUS_ACCESS_DENIED;
                        }
@@ -1564,15 +1476,15 @@ NTSTATUS _samr_QueryDisplayInfo(pipes_struct *p,
                                (unsigned  int)enum_context ));
                }
 
-               num_account = pdb_search_entries(info->disp_info->users,
+               num_account = pdb_search_entries(dinfo->disp_info->users,
                                                 enum_context, max_entries,
                                                 &entries);
                break;
        case 0x2:
-               if (info->disp_info->machines == NULL) {
-                       info->disp_info->machines =
-                               pdb_search_users(ACB_WSTRUST|ACB_SVRTRUST);
-                       if (info->disp_info->machines == NULL) {
+               if (dinfo->disp_info->machines == NULL) {
+                       dinfo->disp_info->machines = pdb_search_users(
+                               dinfo->disp_info, ACB_WSTRUST|ACB_SVRTRUST);
+                       if (dinfo->disp_info->machines == NULL) {
                                unbecome_root();
                                return NT_STATUS_ACCESS_DENIED;
                        }
@@ -1583,15 +1495,16 @@ NTSTATUS _samr_QueryDisplayInfo(pipes_struct *p,
                                (unsigned  int)enum_context ));
                }
 
-               num_account = pdb_search_entries(info->disp_info->machines,
+               num_account = pdb_search_entries(dinfo->disp_info->machines,
                                                 enum_context, max_entries,
                                                 &entries);
                break;
        case 0x3:
        case 0x5:
-               if (info->disp_info->groups == NULL) {
-                       info->disp_info->groups = pdb_search_groups();
-                       if (info->disp_info->groups == NULL) {
+               if (dinfo->disp_info->groups == NULL) {
+                       dinfo->disp_info->groups = pdb_search_groups(
+                               dinfo->disp_info);
+                       if (dinfo->disp_info->groups == NULL) {
                                unbecome_root();
                                return NT_STATUS_ACCESS_DENIED;
                        }
@@ -1602,7 +1515,7 @@ NTSTATUS _samr_QueryDisplayInfo(pipes_struct *p,
                                (unsigned  int)enum_context ));
                }
 
-               num_account = pdb_search_entries(info->disp_info->groups,
+               num_account = pdb_search_entries(dinfo->disp_info->groups,
                                                 enum_context, max_entries,
                                                 &entries);
                break;
@@ -1659,7 +1572,7 @@ NTSTATUS _samr_QueryDisplayInfo(pipes_struct *p,
        }
 
        /* Ensure we cache this enumeration. */
-       set_disp_info_cache_timeout(info->disp_info, DISP_INFO_CACHE_TIMEOUT);
+       set_disp_info_cache_timeout(dinfo->disp_info, DISP_INFO_CACHE_TIMEOUT);
 
        DEBUG(5, ("_samr_QueryDisplayInfo: %d\n", __LINE__));
 
@@ -1720,9 +1633,8 @@ NTSTATUS _samr_QueryDisplayInfo3(pipes_struct *p,
 NTSTATUS _samr_QueryAliasInfo(pipes_struct *p,
                              struct samr_QueryAliasInfo *r)
 {
-       DOM_SID   sid;
+       struct samr_alias_info *ainfo;
        struct acct_info info;
-       uint32    acc_granted;
        NTSTATUS status;
        union samr_AliasInfo *alias_info = NULL;
        const char *alias_name = NULL;
@@ -1730,24 +1642,20 @@ NTSTATUS _samr_QueryAliasInfo(pipes_struct *p,
 
        DEBUG(5,("_samr_QueryAliasInfo: %d\n", __LINE__));
 
+       ainfo = policy_handle_find(p, r->in.alias_handle,
+                                  SAMR_ALIAS_ACCESS_LOOKUP_INFO, NULL,
+                                  struct samr_alias_info, &status);
+       if (!NT_STATUS_IS_OK(status)) {
+               return status;
+       }
+
        alias_info = TALLOC_ZERO_P(p->mem_ctx, union samr_AliasInfo);
        if (!alias_info) {
                return NT_STATUS_NO_MEMORY;
        }
 
-       /* find the policy handle.  open a policy on it. */
-       if (!get_lsa_policy_samr_sid(p, r->in.alias_handle, &sid, &acc_granted, NULL))
-               return NT_STATUS_INVALID_HANDLE;
-
-       status = access_check_samr_function(acc_granted,
-                                           SAMR_ALIAS_ACCESS_LOOKUP_INFO,
-                                           "_samr_QueryAliasInfo");
-       if (!NT_STATUS_IS_OK(status)) {
-               return status;
-       }
-
        become_root();
-       status = pdb_get_aliasinfo(&sid, &info);
+       status = pdb_get_aliasinfo(&ainfo->sid, &info);
        unbecome_root();
 
        if ( !NT_STATUS_IS_OK(status))
@@ -1759,14 +1667,12 @@ NTSTATUS _samr_QueryAliasInfo(pipes_struct *p,
 
        switch (r->in.level) {
        case ALIASINFOALL:
-               init_samr_alias_info1(&alias_info->all,
-                                     alias_name,
-                                     1,
-                                     alias_description);
+               alias_info->all.name.string             = alias_name;
+               alias_info->all.num_members             = 1; /* ??? */
+               alias_info->all.description.string      = alias_description;
                break;
        case ALIASINFODESCRIPTION:
-               init_samr_alias_info3(&alias_info->description,
-                                     alias_description);
+               alias_info->description.string          = alias_description;
                break;
        default:
                return NT_STATUS_INVALID_INFO_CLASS;
@@ -1786,25 +1692,20 @@ NTSTATUS _samr_QueryAliasInfo(pipes_struct *p,
 NTSTATUS _samr_LookupNames(pipes_struct *p,
                           struct samr_LookupNames *r)
 {
+       struct samr_domain_info *dinfo;
        NTSTATUS status;
        uint32 *rid;
        enum lsa_SidType *type;
        int i;
        int num_rids = r->in.num_names;
-       DOM_SID pol_sid;
-       uint32  acc_granted;
        struct samr_Ids rids, types;
        uint32_t num_mapped = 0;
 
        DEBUG(5,("_samr_LookupNames: %d\n", __LINE__));
 
-       if (!get_lsa_policy_samr_sid(p, r->in.domain_handle, &pol_sid, &acc_granted, NULL)) {
-               return NT_STATUS_OBJECT_TYPE_MISMATCH;
-       }
-
-       status = access_check_samr_function(acc_granted,
-                                           0, /* Don't know the acc_bits yet */
-                                           "_samr_LookupNames");
+       dinfo = policy_handle_find(p, r->in.domain_handle,
+                                  0 /* Don't know the acc_bits yet */, NULL,
+                                  struct samr_domain_info, &status);
        if (!NT_STATUS_IS_OK(status)) {
                return status;
        }
@@ -1821,7 +1722,7 @@ NTSTATUS _samr_LookupNames(pipes_struct *p,
        NT_STATUS_HAVE_NO_MEMORY(type);
 
        DEBUG(5,("_samr_LookupNames: looking name on SID %s\n",
-                sid_string_dbg(&pol_sid)));
+                sid_string_dbg(&dinfo->sid)));
 
        for (i = 0; i < num_rids; i++) {
 
@@ -1830,7 +1731,7 @@ NTSTATUS _samr_LookupNames(pipes_struct *p,
 
                rid[i] = 0xffffffff;
 
-               if (sid_check_is_builtin(&pol_sid)) {
+               if (sid_check_is_builtin(&dinfo->sid)) {
                        if (lookup_builtin_name(r->in.names[i].string,
                                                &rid[i]))
                        {
@@ -1868,6 +1769,117 @@ NTSTATUS _samr_LookupNames(pipes_struct *p,
        return status;
 }
 
+/****************************************************************
+ _samr_ChangePasswordUser
+****************************************************************/
+
+NTSTATUS _samr_ChangePasswordUser(pipes_struct *p,
+                                 struct samr_ChangePasswordUser *r)
+{
+       NTSTATUS status;
+       bool ret = false;
+       struct samr_user_info *uinfo;
+       struct samu *pwd;
+       struct samr_Password new_lmPwdHash, new_ntPwdHash, checkHash;
+       struct samr_Password lm_pwd, nt_pwd;
+
+       uinfo = policy_handle_find(p, r->in.user_handle,
+                                  SAMR_USER_ACCESS_SET_PASSWORD, NULL,
+                                  struct samr_user_info, &status);
+       if (!NT_STATUS_IS_OK(status)) {
+               return status;
+       }
+
+       DEBUG(5,("_samr_ChangePasswordUser: sid:%s\n",
+                 sid_string_dbg(&uinfo->sid)));
+
+       if (!(pwd = samu_new(NULL))) {
+               return NT_STATUS_NO_MEMORY;
+       }
+
+       become_root();
+       ret = pdb_getsampwsid(pwd, &uinfo->sid);
+       unbecome_root();
+
+       if (!ret) {
+               TALLOC_FREE(pwd);
+               return NT_STATUS_WRONG_PASSWORD;
+       }
+
+       {
+               const uint8_t *lm_pass, *nt_pass;
+
+               lm_pass = pdb_get_lanman_passwd(pwd);
+               nt_pass = pdb_get_nt_passwd(pwd);
+
+               if (!lm_pass || !nt_pass) {
+                       status = NT_STATUS_WRONG_PASSWORD;
+                       goto out;
+               }
+
+               memcpy(&lm_pwd.hash, lm_pass, sizeof(lm_pwd.hash));
+               memcpy(&nt_pwd.hash, nt_pass, sizeof(nt_pwd.hash));
+       }
+
+       /* basic sanity checking on parameters.  Do this before any database ops */
+       if (!r->in.lm_present || !r->in.nt_present ||
+           !r->in.old_lm_crypted || !r->in.new_lm_crypted ||
+           !r->in.old_nt_crypted || !r->in.new_nt_crypted) {
+               /* we should really handle a change with lm not
+                  present */
+               status = NT_STATUS_INVALID_PARAMETER_MIX;
+               goto out;
+       }
+
+       /* decrypt and check the new lm hash */
+       D_P16(lm_pwd.hash, r->in.new_lm_crypted->hash, new_lmPwdHash.hash);
+       D_P16(new_lmPwdHash.hash, r->in.old_lm_crypted->hash, checkHash.hash);
+       if (memcmp(checkHash.hash, lm_pwd.hash, 16) != 0) {
+               status = NT_STATUS_WRONG_PASSWORD;
+               goto out;
+       }
+
+       /* decrypt and check the new nt hash */
+       D_P16(nt_pwd.hash, r->in.new_nt_crypted->hash, new_ntPwdHash.hash);
+       D_P16(new_ntPwdHash.hash, r->in.old_nt_crypted->hash, checkHash.hash);
+       if (memcmp(checkHash.hash, nt_pwd.hash, 16) != 0) {
+               status = NT_STATUS_WRONG_PASSWORD;
+               goto out;
+       }
+
+       /* The NT Cross is not required by Win2k3 R2, but if present
+          check the nt cross hash */
+       if (r->in.cross1_present && r->in.nt_cross) {
+               D_P16(lm_pwd.hash, r->in.nt_cross->hash, checkHash.hash);
+               if (memcmp(checkHash.hash, new_ntPwdHash.hash, 16) != 0) {
+                       status = NT_STATUS_WRONG_PASSWORD;
+                       goto out;
+               }
+       }
+
+       /* The LM Cross is not required by Win2k3 R2, but if present
+          check the lm cross hash */
+       if (r->in.cross2_present && r->in.lm_cross) {
+               D_P16(nt_pwd.hash, r->in.lm_cross->hash, checkHash.hash);
+               if (memcmp(checkHash.hash, new_lmPwdHash.hash, 16) != 0) {
+                       status = NT_STATUS_WRONG_PASSWORD;
+                       goto out;
+               }
+       }
+
+       if (!pdb_set_nt_passwd(pwd, new_ntPwdHash.hash, PDB_CHANGED) ||
+           !pdb_set_lanman_passwd(pwd, new_lmPwdHash.hash, PDB_CHANGED)) {
+               status = NT_STATUS_ACCESS_DENIED;
+               goto out;
+       }
+
+       status = pdb_update_sam_account(pwd);
+ out:
+       TALLOC_FREE(pwd);
+
+       return status;
+}
+
 /*******************************************************************
  _samr_ChangePasswordUser2
  ********************************************************************/
@@ -1907,31 +1919,32 @@ NTSTATUS _samr_ChangePasswordUser2(pipes_struct *p,
 
        DEBUG(5,("_samr_ChangePasswordUser2: %d\n", __LINE__));
 
+       if (NT_STATUS_EQUAL(status, NT_STATUS_NO_SUCH_USER)) {
+               return NT_STATUS_WRONG_PASSWORD;
+       }
+
        return status;
 }
 
-/*******************************************************************
- _samr_ChangePasswordUser3
- ********************************************************************/
+/****************************************************************
+ _samr_OemChangePasswordUser2
+****************************************************************/
 
-NTSTATUS _samr_ChangePasswordUser3(pipes_struct *p,
-                                  struct samr_ChangePasswordUser3 *r)
+NTSTATUS _samr_OemChangePasswordUser2(pipes_struct *p,
+                                     struct samr_OemChangePasswordUser2 *r)
 {
        NTSTATUS status;
        fstring user_name;
        const char *wks = NULL;
-       uint32 reject_reason;
-       struct samr_DomInfo1 *dominfo = NULL;
-       struct samr_ChangeReject *reject = NULL;
 
-       DEBUG(5,("_samr_ChangePasswordUser3: %d\n", __LINE__));
+       DEBUG(5,("_samr_OemChangePasswordUser2: %d\n", __LINE__));
 
        fstrcpy(user_name, r->in.account->string);
        if (r->in.server && r->in.server->string) {
                wks = r->in.server->string;
        }
 
-       DEBUG(5,("_samr_ChangePasswordUser3: user: %s wks: %s\n", user_name, wks));
+       DEBUG(5,("_samr_OemChangePasswordUser2: user: %s wks: %s\n", user_name, wks));
 
        /*
         * Pass the user through the NT -> unix user mapping
@@ -1945,19 +1958,76 @@ NTSTATUS _samr_ChangePasswordUser3(pipes_struct *p,
         * is case insensitive.
         */
 
+       if (!r->in.hash || !r->in.password) {
+               return NT_STATUS_INVALID_PARAMETER;
+       }
+
        status = pass_oem_change(user_name,
-                                r->in.lm_password->data,
-                                r->in.lm_verifier->hash,
-                                r->in.nt_password->data,
-                                r->in.nt_verifier->hash,
-                                &reject_reason);
+                                r->in.password->data,
+                                r->in.hash->hash,
+                                0,
+                                0,
+                                NULL);
 
-       if (NT_STATUS_EQUAL(status, NT_STATUS_PASSWORD_RESTRICTION) ||
-           NT_STATUS_EQUAL(status, NT_STATUS_ACCOUNT_RESTRICTION)) {
+       if (NT_STATUS_EQUAL(status, NT_STATUS_NO_SUCH_USER)) {
+               return NT_STATUS_WRONG_PASSWORD;
+       }
+
+       DEBUG(5,("_samr_OemChangePasswordUser2: %d\n", __LINE__));
+
+       return status;
+}
+
+/*******************************************************************
+ _samr_ChangePasswordUser3
+ ********************************************************************/
+
+NTSTATUS _samr_ChangePasswordUser3(pipes_struct *p,
+                                  struct samr_ChangePasswordUser3 *r)
+{
+       NTSTATUS status;
+       fstring user_name;
+       const char *wks = NULL;
+       uint32 reject_reason;
+       struct samr_DomInfo1 *dominfo = NULL;
+       struct samr_ChangeReject *reject = NULL;
+       uint32_t tmp;
+
+       DEBUG(5,("_samr_ChangePasswordUser3: %d\n", __LINE__));
+
+       fstrcpy(user_name, r->in.account->string);
+       if (r->in.server && r->in.server->string) {
+               wks = r->in.server->string;
+       }
+
+       DEBUG(5,("_samr_ChangePasswordUser3: user: %s wks: %s\n", user_name, wks));
+
+       /*
+        * Pass the user through the NT -> unix user mapping
+        * function.
+        */
+
+       (void)map_username(user_name);
+
+       /*
+        * UNIX username case mangling not required, pass_oem_change
+        * is case insensitive.
+        */
+
+       status = pass_oem_change(user_name,
+                                r->in.lm_password->data,
+                                r->in.lm_verifier->hash,
+                                r->in.nt_password->data,
+                                r->in.nt_verifier->hash,
+                                &reject_reason);
+       if (NT_STATUS_EQUAL(status, NT_STATUS_NO_SUCH_USER)) {
+               return NT_STATUS_WRONG_PASSWORD;
+       }
+
+       if (NT_STATUS_EQUAL(status, NT_STATUS_PASSWORD_RESTRICTION) ||
+           NT_STATUS_EQUAL(status, NT_STATUS_ACCOUNT_RESTRICTION)) {
 
-               uint32 min_pass_len,pass_hist,password_properties;
                time_t u_expire, u_min_age;
-               NTTIME nt_expire, nt_min_age;
                uint32 account_policy_temp;
 
                dominfo = TALLOC_ZERO_P(p->mem_ctx, struct samr_DomInfo1);
@@ -1974,14 +2044,14 @@ NTSTATUS _samr_ChangePasswordUser3(pipes_struct *p,
 
                /* AS ROOT !!! */
 
-               pdb_get_account_policy(AP_MIN_PASSWORD_LEN, &account_policy_temp);
-               min_pass_len = account_policy_temp;
+               pdb_get_account_policy(AP_MIN_PASSWORD_LEN, &tmp);
+               dominfo->min_password_length = tmp;
 
-               pdb_get_account_policy(AP_PASSWORD_HISTORY, &account_policy_temp);
-               pass_hist = account_policy_temp;
+               pdb_get_account_policy(AP_PASSWORD_HISTORY, &tmp);
+               dominfo->password_history_length = tmp;
 
-               pdb_get_account_policy(AP_USER_MUST_LOGON_TO_CHG_PASS, &account_policy_temp);
-               password_properties = account_policy_temp;
+               pdb_get_account_policy(AP_USER_MUST_LOGON_TO_CHG_PASS,
+                                      &dominfo->password_properties);
 
                pdb_get_account_policy(AP_MAX_PASSWORD_AGE, &account_policy_temp);
                u_expire = account_policy_temp;
@@ -1993,20 +2063,13 @@ NTSTATUS _samr_ChangePasswordUser3(pipes_struct *p,
 
                unbecome_root();
 
-               unix_to_nt_time_abs(&nt_expire, u_expire);
-               unix_to_nt_time_abs(&nt_min_age, u_min_age);
+               unix_to_nt_time_abs((NTTIME *)&dominfo->max_password_age, u_expire);
+               unix_to_nt_time_abs((NTTIME *)&dominfo->min_password_age, u_min_age);
 
                if (lp_check_password_script() && *lp_check_password_script()) {
-                       password_properties |= DOMAIN_PASSWORD_COMPLEX;
+                       dominfo->password_properties |= DOMAIN_PASSWORD_COMPLEX;
                }
 
-               init_samr_DomInfo1(dominfo,
-                                  min_pass_len,
-                                  pass_hist,
-                                  password_properties,
-                                  u_expire,
-                                  u_min_age);
-
                reject->reason = reject_reason;
 
                *r->out.dominfo = dominfo;
@@ -2055,13 +2118,12 @@ static bool make_samr_lookup_rids(TALLOC_CTX *ctx, uint32 num_names,
 NTSTATUS _samr_LookupRids(pipes_struct *p,
                          struct samr_LookupRids *r)
 {
+       struct samr_domain_info *dinfo;
        NTSTATUS status;
        const char **names;
        enum lsa_SidType *attrs = NULL;
        uint32 *wire_attrs = NULL;
-       DOM_SID pol_sid;
        int num_rids = (int)r->in.num_rids;
-       uint32 acc_granted;
        int i;
        struct lsa_Strings names_array;
        struct samr_Ids types_array;
@@ -2069,13 +2131,9 @@ NTSTATUS _samr_LookupRids(pipes_struct *p,
 
        DEBUG(5,("_samr_LookupRids: %d\n", __LINE__));
 
-       /* find the policy handle.  open a policy on it. */
-       if (!get_lsa_policy_samr_sid(p, r->in.domain_handle, &pol_sid, &acc_granted, NULL))
-               return NT_STATUS_INVALID_HANDLE;
-
-       status = access_check_samr_function(acc_granted,
-                                           SAMR_DOMAIN_ACCESS_ENUM_ACCOUNTS,
-                                           "_samr_LookupRids");
+       dinfo = policy_handle_find(p, r->in.domain_handle,
+                                  0 /* Don't know the acc_bits yet */, NULL,
+                                  struct samr_domain_info, &status);
        if (!NT_STATUS_IS_OK(status)) {
                return status;
        }
@@ -2100,7 +2158,7 @@ NTSTATUS _samr_LookupRids(pipes_struct *p,
        }
 
        become_root();  /* lookup_sid can require root privs */
-       status = pdb_lookup_rids(&pol_sid, num_rids, r->in.rids,
+       status = pdb_lookup_rids(&dinfo->sid, num_rids, r->in.rids,
                                 names, attrs);
        unbecome_root();
 
@@ -2141,9 +2199,8 @@ NTSTATUS _samr_OpenUser(pipes_struct *p,
 {
        struct samu *sampass=NULL;
        DOM_SID sid;
-       POLICY_HND domain_pol = *r->in.domain_handle;
-       POLICY_HND *user_pol = r->out.user_handle;
-       struct samr_info *info = NULL;
+       struct samr_domain_info *dinfo;
+       struct samr_user_info *uinfo;
        SEC_DESC *psd = NULL;
        uint32    acc_granted;
        uint32    des_access = r->in.access_mask;
@@ -2151,18 +2208,14 @@ NTSTATUS _samr_OpenUser(pipes_struct *p,
        bool ret;
        NTSTATUS nt_status;
        SE_PRIV se_rights;
+       NTSTATUS status;
 
-       /* find the domain policy handle and get domain SID / access bits in the domain policy. */
-
-       if ( !get_lsa_policy_samr_sid(p, &domain_pol, &sid, &acc_granted, NULL) )
-               return NT_STATUS_INVALID_HANDLE;
-
-       nt_status = access_check_samr_function(acc_granted,
-                                              SAMR_DOMAIN_ACCESS_OPEN_ACCOUNT,
-                                              "_samr_OpenUser" );
-
-       if ( !NT_STATUS_IS_OK(nt_status) )
-               return nt_status;
+       dinfo = policy_handle_find(p, r->in.domain_handle,
+                                  SAMR_DOMAIN_ACCESS_OPEN_ACCOUNT, NULL,
+                                  struct samr_domain_info, &status);
+       if (!NT_STATUS_IS_OK(status)) {
+               return status;
+       }
 
        if ( !(sampass = samu_new( p->mem_ctx )) ) {
                return NT_STATUS_NO_MEMORY;
@@ -2170,7 +2223,7 @@ NTSTATUS _samr_OpenUser(pipes_struct *p,
 
        /* append the user's RID to it */
 
-       if (!sid_append_rid(&sid, r->in.rid))
+       if (!sid_compose(&sid, &dinfo->sid, r->in.rid))
                return NT_STATUS_NO_SUCH_USER;
 
        /* check if access can be granted as requested by client. */
@@ -2201,14 +2254,12 @@ NTSTATUS _samr_OpenUser(pipes_struct *p,
 
        TALLOC_FREE(sampass);
 
-       /* associate the user's SID and access bits with the new handle. */
-       if ((info = get_samr_info_by_sid(&sid)) == NULL)
-               return NT_STATUS_NO_MEMORY;
-       info->acc_granted = acc_granted;
-
-       /* get a (unique) handle.  open a policy on it. */
-       if (!create_policy_hnd(p, user_pol, free_samr_info, (void *)info))
-               return NT_STATUS_OBJECT_NAME_NOT_FOUND;
+       uinfo = policy_handle_create(p, r->out.user_handle, acc_granted,
+                                    struct samr_user_info, &nt_status);
+       if (!NT_STATUS_IS_OK(nt_status)) {
+               return nt_status;
+       }
+       uinfo->sid = sid;
 
        return NT_STATUS_OK;
 }
@@ -2248,41 +2299,137 @@ static NTSTATUS init_samr_parameters_string(TALLOC_CTX *mem_ctx,
        return NT_STATUS_OK;
 }
 
-static NTSTATUS get_user_info_5(TALLOC_CTX *mem_ctx,
-                               struct samr_UserInfo5 *r,
-                               DOM_SID *user_sid,
+/*************************************************************************
+ get_user_info_1.
+ *************************************************************************/
+
+static NTSTATUS get_user_info_1(TALLOC_CTX *mem_ctx,
+                               struct samr_UserInfo1 *r,
+                               struct samu *pw,
+                               DOM_SID *domain_sid)
+{
+       const DOM_SID *sid_group;
+       uint32_t primary_gid;
+
+       become_root();
+       sid_group = pdb_get_group_sid(pw);
+       unbecome_root();
+
+       if (!sid_peek_check_rid(domain_sid, sid_group, &primary_gid)) {
+               DEBUG(0, ("get_user_info_1: User %s has Primary Group SID %s, \n"
+                         "which conflicts with the domain sid %s.  Failing operation.\n",
+                         pdb_get_username(pw), sid_string_dbg(sid_group),
+                         sid_string_dbg(domain_sid)));
+               return NT_STATUS_UNSUCCESSFUL;
+       }
+
+       r->account_name.string          = talloc_strdup(mem_ctx, pdb_get_username(pw));
+       r->full_name.string             = talloc_strdup(mem_ctx, pdb_get_fullname(pw));
+       r->primary_gid                  = primary_gid;
+       r->description.string           = talloc_strdup(mem_ctx, pdb_get_acct_desc(pw));
+       r->comment.string               = talloc_strdup(mem_ctx, pdb_get_comment(pw));
+
+       return NT_STATUS_OK;
+}
+
+/*************************************************************************
+ get_user_info_2.
+ *************************************************************************/
+
+static NTSTATUS get_user_info_2(TALLOC_CTX *mem_ctx,
+                               struct samr_UserInfo2 *r,
+                               struct samu *pw)
+{
+       r->comment.string               = talloc_strdup(mem_ctx, pdb_get_comment(pw));
+       r->unknown.string               = NULL;
+       r->country_code                 = 0;
+       r->code_page                    = 0;
+
+       return NT_STATUS_OK;
+}
+
+/*************************************************************************
+ get_user_info_3.
+ *************************************************************************/
+
+static NTSTATUS get_user_info_3(TALLOC_CTX *mem_ctx,
+                               struct samr_UserInfo3 *r,
+                               struct samu *pw,
                                DOM_SID *domain_sid)
 {
-       struct samu *pw = NULL;
-       bool ret;
        const DOM_SID *sid_user, *sid_group;
        uint32_t rid, primary_gid;
-       NTTIME last_logon, last_logoff, last_password_change,
-              acct_expiry;
-       const char *account_name, *full_name, *home_directory, *home_drive,
-                  *logon_script, *profile_path, *description,
-                  *workstations, *comment;
-       struct samr_LogonHours logon_hours;
 
-       ZERO_STRUCTP(r);
+       sid_user = pdb_get_user_sid(pw);
 
-       if (!(pw = samu_new(mem_ctx))) {
-               return NT_STATUS_NO_MEMORY;
+       if (!sid_peek_check_rid(domain_sid, sid_user, &rid)) {
+               DEBUG(0, ("get_user_info_3: User %s has SID %s, \nwhich conflicts with "
+                         "the domain sid %s.  Failing operation.\n",
+                         pdb_get_username(pw), sid_string_dbg(sid_user),
+                         sid_string_dbg(domain_sid)));
+               return NT_STATUS_UNSUCCESSFUL;
        }
 
        become_root();
-       ret = pdb_getsampwsid(pw, user_sid);
+       sid_group = pdb_get_group_sid(pw);
        unbecome_root();
 
-       if (ret == False) {
-               DEBUG(4,("User %s not found\n", sid_string_dbg(user_sid)));
-               TALLOC_FREE(pw);
-               return NT_STATUS_NO_SUCH_USER;
+       if (!sid_peek_check_rid(domain_sid, sid_group, &primary_gid)) {
+               DEBUG(0, ("get_user_info_3: User %s has Primary Group SID %s, \n"
+                         "which conflicts with the domain sid %s.  Failing operation.\n",
+                         pdb_get_username(pw), sid_string_dbg(sid_group),
+                         sid_string_dbg(domain_sid)));
+               return NT_STATUS_UNSUCCESSFUL;
        }
 
-       samr_clear_sam_passwd(pw);
+       unix_to_nt_time(&r->last_logon, pdb_get_logon_time(pw));
+       unix_to_nt_time(&r->last_logoff, pdb_get_logoff_time(pw));
+       unix_to_nt_time(&r->last_password_change, pdb_get_pass_last_set_time(pw));
+       unix_to_nt_time(&r->allow_password_change, pdb_get_pass_can_change_time(pw));
+       unix_to_nt_time(&r->force_password_change, pdb_get_pass_must_change_time(pw));
+
+       r->account_name.string  = talloc_strdup(mem_ctx, pdb_get_username(pw));
+       r->full_name.string     = talloc_strdup(mem_ctx, pdb_get_fullname(pw));
+       r->home_directory.string= talloc_strdup(mem_ctx, pdb_get_homedir(pw));
+       r->home_drive.string    = talloc_strdup(mem_ctx, pdb_get_dir_drive(pw));
+       r->logon_script.string  = talloc_strdup(mem_ctx, pdb_get_logon_script(pw));
+       r->profile_path.string  = talloc_strdup(mem_ctx, pdb_get_profile_path(pw));
+       r->workstations.string  = talloc_strdup(mem_ctx, pdb_get_workstations(pw));
+
+       r->logon_hours          = get_logon_hours_from_pdb(mem_ctx, pw);
+       r->rid                  = rid;
+       r->primary_gid          = primary_gid;
+       r->acct_flags           = pdb_get_acct_ctrl(pw);
+       r->bad_password_count   = pdb_get_bad_password_count(pw);
+       r->logon_count          = pdb_get_logon_count(pw);
+
+       return NT_STATUS_OK;
+}
+
+/*************************************************************************
+ get_user_info_4.
+ *************************************************************************/
+
+static NTSTATUS get_user_info_4(TALLOC_CTX *mem_ctx,
+                               struct samr_UserInfo4 *r,
+                               struct samu *pw)
+{
+       r->logon_hours          = get_logon_hours_from_pdb(mem_ctx, pw);
+
+       return NT_STATUS_OK;
+}
+
+/*************************************************************************
+ get_user_info_5.
+ *************************************************************************/
 
-       DEBUG(3,("User:[%s]\n", pdb_get_username(pw)));
+static NTSTATUS get_user_info_5(TALLOC_CTX *mem_ctx,
+                               struct samr_UserInfo5 *r,
+                               struct samu *pw,
+                               DOM_SID *domain_sid)
+{
+       const DOM_SID *sid_user, *sid_group;
+       uint32_t rid, primary_gid;
 
        sid_user = pdb_get_user_sid(pw);
 
@@ -2291,7 +2438,6 @@ static NTSTATUS get_user_info_5(TALLOC_CTX *mem_ctx,
                          "the domain sid %s.  Failing operation.\n",
                          pdb_get_username(pw), sid_string_dbg(sid_user),
                          sid_string_dbg(domain_sid)));
-               TALLOC_FREE(pw);
                return NT_STATUS_UNSUCCESSFUL;
        }
 
@@ -2304,48 +2450,43 @@ static NTSTATUS get_user_info_5(TALLOC_CTX *mem_ctx,
                          "which conflicts with the domain sid %s.  Failing operation.\n",
                          pdb_get_username(pw), sid_string_dbg(sid_group),
                          sid_string_dbg(domain_sid)));
-               TALLOC_FREE(pw);
                return NT_STATUS_UNSUCCESSFUL;
        }
 
-       unix_to_nt_time(&last_logon, pdb_get_logon_time(pw));
-       unix_to_nt_time(&last_logoff, pdb_get_logoff_time(pw));
-       unix_to_nt_time(&acct_expiry, pdb_get_kickoff_time(pw));
-       unix_to_nt_time(&last_password_change, pdb_get_pass_last_set_time(pw));
-
-       account_name = talloc_strdup(mem_ctx, pdb_get_username(pw));
-       full_name = talloc_strdup(mem_ctx, pdb_get_fullname(pw));
-       home_directory = talloc_strdup(mem_ctx, pdb_get_homedir(pw));
-       home_drive = talloc_strdup(mem_ctx, pdb_get_dir_drive(pw));
-       logon_script = talloc_strdup(mem_ctx, pdb_get_logon_script(pw));
-       profile_path = talloc_strdup(mem_ctx, pdb_get_profile_path(pw));
-       description = talloc_strdup(mem_ctx, pdb_get_acct_desc(pw));
-       workstations = talloc_strdup(mem_ctx, pdb_get_workstations(pw));
-       comment = talloc_strdup(mem_ctx, pdb_get_comment(pw));
-
-       logon_hours = get_logon_hours_from_pdb(mem_ctx, pw);
-
-       init_samr_user_info5(r,
-                            account_name,
-                            full_name,
-                            rid,
-                            primary_gid,
-                            home_directory,
-                            home_drive,
-                            logon_script,
-                            profile_path,
-                            description,
-                            workstations,
-                            last_logon,
-                            last_logoff,
-                            logon_hours,
-                            pdb_get_bad_password_count(pw),
-                            pdb_get_logon_count(pw),
-                            last_password_change,
-                            acct_expiry,
-                            pdb_get_acct_ctrl(pw));
-
-       TALLOC_FREE(pw);
+       unix_to_nt_time(&r->last_logon, pdb_get_logon_time(pw));
+       unix_to_nt_time(&r->last_logoff, pdb_get_logoff_time(pw));
+       unix_to_nt_time(&r->acct_expiry, pdb_get_kickoff_time(pw));
+       unix_to_nt_time(&r->last_password_change, pdb_get_pass_last_set_time(pw));
+
+       r->account_name.string  = talloc_strdup(mem_ctx, pdb_get_username(pw));
+       r->full_name.string     = talloc_strdup(mem_ctx, pdb_get_fullname(pw));
+       r->home_directory.string= talloc_strdup(mem_ctx, pdb_get_homedir(pw));
+       r->home_drive.string    = talloc_strdup(mem_ctx, pdb_get_dir_drive(pw));
+       r->logon_script.string  = talloc_strdup(mem_ctx, pdb_get_logon_script(pw));
+       r->profile_path.string  = talloc_strdup(mem_ctx, pdb_get_profile_path(pw));
+       r->description.string   = talloc_strdup(mem_ctx, pdb_get_acct_desc(pw));
+       r->workstations.string  = talloc_strdup(mem_ctx, pdb_get_workstations(pw));
+
+       r->logon_hours          = get_logon_hours_from_pdb(mem_ctx, pw);
+       r->rid                  = rid;
+       r->primary_gid          = primary_gid;
+       r->acct_flags           = pdb_get_acct_ctrl(pw);
+       r->bad_password_count   = pdb_get_bad_password_count(pw);
+       r->logon_count          = pdb_get_logon_count(pw);
+
+       return NT_STATUS_OK;
+}
+
+/*************************************************************************
+ get_user_info_6.
+ *************************************************************************/
+
+static NTSTATUS get_user_info_6(TALLOC_CTX *mem_ctx,
+                               struct samr_UserInfo6 *r,
+                               struct samu *pw)
+{
+       r->account_name.string  = talloc_strdup(mem_ctx, pdb_get_username(pw));
+       r->full_name.string     = talloc_strdup(mem_ctx, pdb_get_fullname(pw));
 
        return NT_STATUS_OK;
 }
@@ -2356,37 +2497,25 @@ static NTSTATUS get_user_info_5(TALLOC_CTX *mem_ctx,
 
 static NTSTATUS get_user_info_7(TALLOC_CTX *mem_ctx,
                                struct samr_UserInfo7 *r,
-                               DOM_SID *user_sid)
+                               struct samu *smbpass)
 {
-       struct samu *smbpass=NULL;
-       bool ret;
-       const char *account_name = NULL;
-
-       ZERO_STRUCTP(r);
-
-       if ( !(smbpass = samu_new( mem_ctx )) ) {
+       r->account_name.string = talloc_strdup(mem_ctx, pdb_get_username(smbpass));
+       if (!r->account_name.string) {
                return NT_STATUS_NO_MEMORY;
        }
 
-       become_root();
-       ret = pdb_getsampwsid(smbpass, user_sid);
-       unbecome_root();
-
-       if ( !ret ) {
-               DEBUG(4,("User %s not found\n", sid_string_dbg(user_sid)));
-               return NT_STATUS_NO_SUCH_USER;
-       }
-
-       account_name = talloc_strdup(mem_ctx, pdb_get_username(smbpass));
-       if (!account_name) {
-               TALLOC_FREE(smbpass);
-               return NT_STATUS_NO_MEMORY;
-       }
-       TALLOC_FREE(smbpass);
+       return NT_STATUS_OK;
+}
 
-       DEBUG(3,("User:[%s]\n", account_name));
+/*************************************************************************
+ get_user_info_8.
+ *************************************************************************/
 
-       init_samr_user_info7(r, account_name);
+static NTSTATUS get_user_info_8(TALLOC_CTX *mem_ctx,
+                               struct samr_UserInfo8 *r,
+                               struct samu *pw)
+{
+       r->full_name.string     = talloc_strdup(mem_ctx, pdb_get_fullname(pw));
 
        return NT_STATUS_OK;
 }
@@ -2397,68 +2526,101 @@ static NTSTATUS get_user_info_7(TALLOC_CTX *mem_ctx,
 
 static NTSTATUS get_user_info_9(TALLOC_CTX *mem_ctx,
                                struct samr_UserInfo9 *r,
-                               DOM_SID *user_sid)
+                               struct samu *smbpass)
 {
-       struct samu *smbpass=NULL;
-       bool ret;
+       r->primary_gid = pdb_get_group_rid(smbpass);
 
-       ZERO_STRUCTP(r);
+       return NT_STATUS_OK;
+}
 
-       if ( !(smbpass = samu_new( mem_ctx )) ) {
-               return NT_STATUS_NO_MEMORY;
-       }
+/*************************************************************************
+ get_user_info_10.
+ *************************************************************************/
 
-       become_root();
-       ret = pdb_getsampwsid(smbpass, user_sid);
-       unbecome_root();
+static NTSTATUS get_user_info_10(TALLOC_CTX *mem_ctx,
+                                struct samr_UserInfo10 *r,
+                                struct samu *pw)
+{
+       r->home_directory.string= talloc_strdup(mem_ctx, pdb_get_homedir(pw));
+       r->home_drive.string    = talloc_strdup(mem_ctx, pdb_get_dir_drive(pw));
 
-       if (ret==False) {
-               DEBUG(4,("User %s not found\n", sid_string_dbg(user_sid)));
-               TALLOC_FREE(smbpass);
-               return NT_STATUS_NO_SUCH_USER;
-       }
+       return NT_STATUS_OK;
+}
 
-       DEBUG(3,("User:[%s]\n", pdb_get_username(smbpass) ));
+/*************************************************************************
+ get_user_info_11.
+ *************************************************************************/
 
-       init_samr_user_info9(r, pdb_get_group_rid(smbpass));
+static NTSTATUS get_user_info_11(TALLOC_CTX *mem_ctx,
+                                struct samr_UserInfo11 *r,
+                                struct samu *pw)
+{
+       r->logon_script.string  = talloc_strdup(mem_ctx, pdb_get_logon_script(pw));
 
-       TALLOC_FREE(smbpass);
+       return NT_STATUS_OK;
+}
+
+/*************************************************************************
+ get_user_info_12.
+ *************************************************************************/
+
+static NTSTATUS get_user_info_12(TALLOC_CTX *mem_ctx,
+                                struct samr_UserInfo12 *r,
+                                struct samu *pw)
+{
+       r->profile_path.string  = talloc_strdup(mem_ctx, pdb_get_profile_path(pw));
 
        return NT_STATUS_OK;
 }
 
 /*************************************************************************
- get_user_info_16. Safe. Only gives out acb bits.
+ get_user_info_13.
  *************************************************************************/
 
-static NTSTATUS get_user_info_16(TALLOC_CTX *mem_ctx,
-                                struct samr_UserInfo16 *r,
-                                DOM_SID *user_sid)
+static NTSTATUS get_user_info_13(TALLOC_CTX *mem_ctx,
+                                struct samr_UserInfo13 *r,
+                                struct samu *pw)
 {
-       struct samu *smbpass=NULL;
-       bool ret;
+       r->description.string   = talloc_strdup(mem_ctx, pdb_get_acct_desc(pw));
 
-       ZERO_STRUCTP(r);
+       return NT_STATUS_OK;
+}
 
-       if ( !(smbpass = samu_new( mem_ctx )) ) {
-               return NT_STATUS_NO_MEMORY;
-       }
+/*************************************************************************
+ get_user_info_14.
+ *************************************************************************/
 
-       become_root();
-       ret = pdb_getsampwsid(smbpass, user_sid);
-       unbecome_root();
+static NTSTATUS get_user_info_14(TALLOC_CTX *mem_ctx,
+                                struct samr_UserInfo14 *r,
+                                struct samu *pw)
+{
+       r->workstations.string  = talloc_strdup(mem_ctx, pdb_get_workstations(pw));
 
-       if (ret==False) {
-               DEBUG(4,("User %s not found\n", sid_string_dbg(user_sid)));
-               TALLOC_FREE(smbpass);
-               return NT_STATUS_NO_SUCH_USER;
-       }
+       return NT_STATUS_OK;
+}
 
-       DEBUG(3,("User:[%s]\n", pdb_get_username(smbpass) ));
+/*************************************************************************
+ get_user_info_16. Safe. Only gives out acb bits.
+ *************************************************************************/
 
-       init_samr_user_info16(r, pdb_get_acct_ctrl(smbpass));
+static NTSTATUS get_user_info_16(TALLOC_CTX *mem_ctx,
+                                struct samr_UserInfo16 *r,
+                                struct samu *smbpass)
+{
+       r->acct_flags = pdb_get_acct_ctrl(smbpass);
 
-       TALLOC_FREE(smbpass);
+       return NT_STATUS_OK;
+}
+
+/*************************************************************************
+ get_user_info_17.
+ *************************************************************************/
+
+static NTSTATUS get_user_info_17(TALLOC_CTX *mem_ctx,
+                                struct samr_UserInfo17 *r,
+                                struct samu *pw)
+{
+       unix_to_nt_time(&r->acct_expiry, pdb_get_kickoff_time(pw));
 
        return NT_STATUS_OK;
 }
@@ -2510,8 +2672,11 @@ static NTSTATUS get_user_info_18(pipes_struct *p,
                return NT_STATUS_ACCOUNT_DISABLED;
        }
 
-       init_samr_user_info18(r, pdb_get_lanman_passwd(smbpass),
-                             pdb_get_nt_passwd(smbpass));
+       r->lm_pwd_active = true;
+       r->nt_pwd_active = true;
+       memcpy(r->lm_pwd.hash, pdb_get_lanman_passwd(smbpass), 16);
+       memcpy(r->nt_pwd.hash, pdb_get_nt_passwd(smbpass), 16);
+       r->password_expired = 0; /* FIXME */
 
        TALLOC_FREE(smbpass);
 
@@ -2524,10 +2689,8 @@ static NTSTATUS get_user_info_18(pipes_struct *p,
 
 static NTSTATUS get_user_info_20(TALLOC_CTX *mem_ctx,
                                 struct samr_UserInfo20 *r,
-                                DOM_SID *user_sid)
+                                struct samu *sampass)
 {
-       struct samu *sampass=NULL;
-       bool ret;
        const char *munged_dial = NULL;
        DATA_BLOB blob;
        NTSTATUS status;
@@ -2535,23 +2698,7 @@ static NTSTATUS get_user_info_20(TALLOC_CTX *mem_ctx,
 
        ZERO_STRUCTP(r);
 
-       if ( !(sampass = samu_new( mem_ctx )) ) {
-               return NT_STATUS_NO_MEMORY;
-       }
-
-       become_root();
-       ret = pdb_getsampwsid(sampass, user_sid);
-       unbecome_root();
-
-       if (ret == False) {
-               DEBUG(4,("User %s not found\n", sid_string_dbg(user_sid)));
-               TALLOC_FREE(sampass);
-               return NT_STATUS_NO_SUCH_USER;
-       }
-
-       munged_dial = pdb_get_munged_dial(sampass);
-
-       samr_clear_sam_passwd(sampass);
+       munged_dial = pdb_get_munged_dial(sampass);
 
        DEBUG(3,("User:[%s] has [%s] (length: %d)\n", pdb_get_username(sampass),
                munged_dial, (int)strlen(munged_dial)));
@@ -2564,12 +2711,11 @@ static NTSTATUS get_user_info_20(TALLOC_CTX *mem_ctx,
 
        status = init_samr_parameters_string(mem_ctx, &blob, &parameters);
        data_blob_free(&blob);
-       TALLOC_FREE(sampass);
        if (!NT_STATUS_IS_OK(status)) {
                return status;
        }
 
-       init_samr_user_info20(r, parameters);
+       r->parameters = *parameters;
 
        return NT_STATUS_OK;
 }
@@ -2581,46 +2727,20 @@ static NTSTATUS get_user_info_20(TALLOC_CTX *mem_ctx,
 
 static NTSTATUS get_user_info_21(TALLOC_CTX *mem_ctx,
                                 struct samr_UserInfo21 *r,
-                                DOM_SID *user_sid,
+                                struct samu *pw,
                                 DOM_SID *domain_sid)
 {
        NTSTATUS status;
-       struct samu *pw = NULL;
-       bool ret;
        const DOM_SID *sid_user, *sid_group;
        uint32_t rid, primary_gid;
-       NTTIME last_logon, last_logoff, last_password_change,
-              acct_expiry, allow_password_change, force_password_change;
+       NTTIME force_password_change;
        time_t must_change_time;
-       uint8_t password_expired;
-       const char *account_name, *full_name, *home_directory, *home_drive,
-                  *logon_script, *profile_path, *description,
-                  *workstations, *comment;
-       struct samr_LogonHours logon_hours;
        struct lsa_BinaryString *parameters = NULL;
        const char *munged_dial = NULL;
        DATA_BLOB blob;
 
        ZERO_STRUCTP(r);
 
-       if (!(pw = samu_new(mem_ctx))) {
-               return NT_STATUS_NO_MEMORY;
-       }
-
-       become_root();
-       ret = pdb_getsampwsid(pw, user_sid);
-       unbecome_root();
-
-       if (ret == False) {
-               DEBUG(4,("User %s not found\n", sid_string_dbg(user_sid)));
-               TALLOC_FREE(pw);
-               return NT_STATUS_NO_SUCH_USER;
-       }
-
-       samr_clear_sam_passwd(pw);
-
-       DEBUG(3,("User:[%s]\n", pdb_get_username(pw)));
-
        sid_user = pdb_get_user_sid(pw);
 
        if (!sid_peek_check_rid(domain_sid, sid_user, &rid)) {
@@ -2628,7 +2748,6 @@ static NTSTATUS get_user_info_21(TALLOC_CTX *mem_ctx,
                          "the domain sid %s.  Failing operation.\n",
                          pdb_get_username(pw), sid_string_dbg(sid_user),
                          sid_string_dbg(domain_sid)));
-               TALLOC_FREE(pw);
                return NT_STATUS_UNSUCCESSFUL;
        }
 
@@ -2641,15 +2760,14 @@ static NTSTATUS get_user_info_21(TALLOC_CTX *mem_ctx,
                          "which conflicts with the domain sid %s.  Failing operation.\n",
                          pdb_get_username(pw), sid_string_dbg(sid_group),
                          sid_string_dbg(domain_sid)));
-               TALLOC_FREE(pw);
                return NT_STATUS_UNSUCCESSFUL;
        }
 
-       unix_to_nt_time(&last_logon, pdb_get_logon_time(pw));
-       unix_to_nt_time(&last_logoff, pdb_get_logoff_time(pw));
-       unix_to_nt_time(&acct_expiry, pdb_get_kickoff_time(pw));
-       unix_to_nt_time(&last_password_change, pdb_get_pass_last_set_time(pw));
-       unix_to_nt_time(&allow_password_change, pdb_get_pass_can_change_time(pw));
+       unix_to_nt_time(&r->last_logon, pdb_get_logon_time(pw));
+       unix_to_nt_time(&r->last_logoff, pdb_get_logoff_time(pw));
+       unix_to_nt_time(&r->acct_expiry, pdb_get_kickoff_time(pw));
+       unix_to_nt_time(&r->last_password_change, pdb_get_pass_last_set_time(pw));
+       unix_to_nt_time(&r->allow_password_change, pdb_get_pass_can_change_time(pw));
 
        must_change_time = pdb_get_pass_must_change_time(pw);
        if (must_change_time == get_time_t_max()) {
@@ -2658,12 +2776,6 @@ static NTSTATUS get_user_info_21(TALLOC_CTX *mem_ctx,
                unix_to_nt_time(&force_password_change, must_change_time);
        }
 
-       if (pdb_get_pass_must_change_time(pw) == 0) {
-               password_expired = PASS_MUST_CHANGE_AT_NEXT_LOGON;
-       } else {
-               password_expired = 0;
-       }
-
        munged_dial = pdb_get_munged_dial(pw);
        if (munged_dial) {
                blob = base64_decode_data_blob(munged_dial);
@@ -2674,21 +2786,36 @@ static NTSTATUS get_user_info_21(TALLOC_CTX *mem_ctx,
        status = init_samr_parameters_string(mem_ctx, &blob, &parameters);
        data_blob_free(&blob);
        if (!NT_STATUS_IS_OK(status)) {
-               TALLOC_FREE(pw);
                return status;
        }
 
-       account_name = talloc_strdup(mem_ctx, pdb_get_username(pw));
-       full_name = talloc_strdup(mem_ctx, pdb_get_fullname(pw));
-       home_directory = talloc_strdup(mem_ctx, pdb_get_homedir(pw));
-       home_drive = talloc_strdup(mem_ctx, pdb_get_dir_drive(pw));
-       logon_script = talloc_strdup(mem_ctx, pdb_get_logon_script(pw));
-       profile_path = talloc_strdup(mem_ctx, pdb_get_profile_path(pw));
-       description = talloc_strdup(mem_ctx, pdb_get_acct_desc(pw));
-       workstations = talloc_strdup(mem_ctx, pdb_get_workstations(pw));
-       comment = talloc_strdup(mem_ctx, pdb_get_comment(pw));
+       r->force_password_change        = force_password_change;
+
+       r->account_name.string          = talloc_strdup(mem_ctx, pdb_get_username(pw));
+       r->full_name.string             = talloc_strdup(mem_ctx, pdb_get_fullname(pw));
+       r->home_directory.string        = talloc_strdup(mem_ctx, pdb_get_homedir(pw));
+       r->home_drive.string            = talloc_strdup(mem_ctx, pdb_get_dir_drive(pw));
+       r->logon_script.string          = talloc_strdup(mem_ctx, pdb_get_logon_script(pw));
+       r->profile_path.string          = talloc_strdup(mem_ctx, pdb_get_profile_path(pw));
+       r->description.string           = talloc_strdup(mem_ctx, pdb_get_acct_desc(pw));
+       r->workstations.string          = talloc_strdup(mem_ctx, pdb_get_workstations(pw));
+       r->comment.string               = talloc_strdup(mem_ctx, pdb_get_comment(pw));
+
+       r->logon_hours                  = get_logon_hours_from_pdb(mem_ctx, pw);
+       r->parameters                   = *parameters;
+       r->rid                          = rid;
+       r->primary_gid                  = primary_gid;
+       r->acct_flags                   = pdb_get_acct_ctrl(pw);
+       r->bad_password_count           = pdb_get_bad_password_count(pw);
+       r->logon_count                  = pdb_get_logon_count(pw);
+       r->fields_present               = pdb_build_fields_present(pw);
+       r->password_expired             = (pdb_get_pass_must_change_time(pw) == 0) ?
+                                               PASS_MUST_CHANGE_AT_NEXT_LOGON : 0;
+       r->country_code                 = 0;
+       r->code_page                    = 0;
+       r->lm_password_set              = 0;
+       r->nt_password_set              = 0;
 
-       logon_hours = get_logon_hours_from_pdb(mem_ctx, pw);
 #if 0
 
        /*
@@ -2703,36 +2830,6 @@ static NTSTATUS get_user_info_21(TALLOC_CTX *mem_ctx,
 
 #endif
 
-       init_samr_user_info21(r,
-                             last_logon,
-                             last_logoff,
-                             last_password_change,
-                             acct_expiry,
-                             allow_password_change,
-                             force_password_change,
-                             account_name,
-                             full_name,
-                             home_directory,
-                             home_drive,
-                             logon_script,
-                             profile_path,
-                             description,
-                             workstations,
-                             comment,
-                             parameters,
-                             rid,
-                             primary_gid,
-                             pdb_get_acct_ctrl(pw),
-                             pdb_build_fields_present(pw),
-                             logon_hours,
-                             pdb_get_bad_password_count(pw),
-                             pdb_get_logon_count(pw),
-                             0, /* country_code */
-                             0, /* code_page */
-                             0, /* nt_password_set */
-                             0, /* lm_password_set */
-                             password_expired);
-       TALLOC_FREE(pw);
 
        return NT_STATUS_OK;
 }
@@ -2746,30 +2843,28 @@ NTSTATUS _samr_QueryUserInfo(pipes_struct *p,
 {
        NTSTATUS status;
        union samr_UserInfo *user_info = NULL;
-       struct samr_info *info = NULL;
+       struct samr_user_info *uinfo;
        DOM_SID domain_sid;
        uint32 rid;
+       bool ret = false;
+       struct samu *pwd = NULL;
 
-       /* search for the handle */
-       if (!find_policy_by_hnd(p, r->in.user_handle, (void **)(void *)&info))
-               return NT_STATUS_INVALID_HANDLE;
-
-       status = access_check_samr_function(info->acc_granted,
-                                           SAMR_DOMAIN_ACCESS_OPEN_ACCOUNT,
-                                           "_samr_QueryUserInfo");
+       uinfo = policy_handle_find(p, r->in.user_handle,
+                                  SAMR_USER_ACCESS_GET_ATTRIBUTES, NULL,
+                                  struct samr_user_info, &status);
        if (!NT_STATUS_IS_OK(status)) {
                return status;
        }
 
-       domain_sid = info->sid;
+       domain_sid = uinfo->sid;
 
        sid_split_rid(&domain_sid, &rid);
 
-       if (!sid_check_is_in_our_domain(&info->sid))
+       if (!sid_check_is_in_our_domain(&uinfo->sid))
                return NT_STATUS_OBJECT_TYPE_MISMATCH;
 
        DEBUG(5,("_samr_QueryUserInfo: sid:%s\n",
-                sid_string_dbg(&info->sid)));
+                sid_string_dbg(&uinfo->sid)));
 
        user_info = TALLOC_ZERO_P(p->mem_ctx, union samr_UserInfo);
        if (!user_info) {
@@ -2778,58 +2873,91 @@ NTSTATUS _samr_QueryUserInfo(pipes_struct *p,
 
        DEBUG(5,("_samr_QueryUserInfo: user info level: %d\n", r->in.level));
 
+       if (!(pwd = samu_new(p->mem_ctx))) {
+               return NT_STATUS_NO_MEMORY;
+       }
+
+       become_root();
+       ret = pdb_getsampwsid(pwd, &uinfo->sid);
+       unbecome_root();
+
+       if (ret == false) {
+               DEBUG(4,("User %s not found\n", sid_string_dbg(&uinfo->sid)));
+               TALLOC_FREE(pwd);
+               return NT_STATUS_NO_SUCH_USER;
+       }
+
+       DEBUG(3,("User:[%s]\n", pdb_get_username(pwd)));
+
+       samr_clear_sam_passwd(pwd);
+
        switch (r->in.level) {
+       case 1:
+               status = get_user_info_1(p->mem_ctx, &user_info->info1, pwd, &domain_sid);
+               break;
+       case 2:
+               status = get_user_info_2(p->mem_ctx, &user_info->info2, pwd);
+               break;
+       case 3:
+               status = get_user_info_3(p->mem_ctx, &user_info->info3, pwd, &domain_sid);
+               break;
+       case 4:
+               status = get_user_info_4(p->mem_ctx, &user_info->info4, pwd);
+               break;
        case 5:
-               status = get_user_info_5(p->mem_ctx, &user_info->info5, &info->sid, &domain_sid);
-               if (!NT_STATUS_IS_OK(status)) {
-                       return status;
-               }
+               status = get_user_info_5(p->mem_ctx, &user_info->info5, pwd, &domain_sid);
+               break;
+       case 6:
+               status = get_user_info_6(p->mem_ctx, &user_info->info6, pwd);
                break;
        case 7:
-               status = get_user_info_7(p->mem_ctx, &user_info->info7, &info->sid);
-               if (!NT_STATUS_IS_OK(status)) {
-                       return status;
-               }
+               status = get_user_info_7(p->mem_ctx, &user_info->info7, pwd);
+               break;
+       case 8:
+               status = get_user_info_8(p->mem_ctx, &user_info->info8, pwd);
                break;
        case 9:
-               status = get_user_info_9(p->mem_ctx, &user_info->info9, &info->sid);
-               if (!NT_STATUS_IS_OK(status)) {
-                       return status;
-               }
+               status = get_user_info_9(p->mem_ctx, &user_info->info9, pwd);
+               break;
+       case 10:
+               status = get_user_info_10(p->mem_ctx, &user_info->info10, pwd);
+               break;
+       case 11:
+               status = get_user_info_11(p->mem_ctx, &user_info->info11, pwd);
+               break;
+       case 12:
+               status = get_user_info_12(p->mem_ctx, &user_info->info12, pwd);
+               break;
+       case 13:
+               status = get_user_info_13(p->mem_ctx, &user_info->info13, pwd);
+               break;
+       case 14:
+               status = get_user_info_14(p->mem_ctx, &user_info->info14, pwd);
                break;
        case 16:
-               status = get_user_info_16(p->mem_ctx, &user_info->info16, &info->sid);
-               if (!NT_STATUS_IS_OK(status)) {
-                       return status;
-               }
+               status = get_user_info_16(p->mem_ctx, &user_info->info16, pwd);
+               break;
+       case 17:
+               status = get_user_info_17(p->mem_ctx, &user_info->info17, pwd);
                break;
-
        case 18:
-               status = get_user_info_18(p, p->mem_ctx, &user_info->info18, &info->sid);
-               if (!NT_STATUS_IS_OK(status)) {
-                       return status;
-               }
+               /* level 18 is special */
+               status = get_user_info_18(p, p->mem_ctx, &user_info->info18,
+                                         &uinfo->sid);
                break;
-
        case 20:
-               status = get_user_info_20(p->mem_ctx, &user_info->info20, &info->sid);
-               if (!NT_STATUS_IS_OK(status)) {
-                       return status;
-               }
+               status = get_user_info_20(p->mem_ctx, &user_info->info20, pwd);
                break;
-
        case 21:
-               status = get_user_info_21(p->mem_ctx, &user_info->info21,
-                                         &info->sid, &domain_sid);
-               if (!NT_STATUS_IS_OK(status)) {
-                       return status;
-               }
+               status = get_user_info_21(p->mem_ctx, &user_info->info21, pwd, &domain_sid);
                break;
-
        default:
-               return NT_STATUS_INVALID_INFO_CLASS;
+               status = NT_STATUS_INVALID_INFO_CLASS;
+               break;
        }
 
+       TALLOC_FREE(pwd);
+
        *r->out.info = user_info;
 
        DEBUG(5,("_samr_QueryUserInfo: %d\n", __LINE__));
@@ -2837,6 +2965,21 @@ NTSTATUS _samr_QueryUserInfo(pipes_struct *p,
        return status;
 }
 
+/****************************************************************
+****************************************************************/
+
+NTSTATUS _samr_QueryUserInfo2(pipes_struct *p,
+                             struct samr_QueryUserInfo2 *r)
+{
+       struct samr_QueryUserInfo u;
+
+       u.in.user_handle        = r->in.user_handle;
+       u.in.level              = r->in.level;
+       u.out.info              = r->out.info;
+
+       return _samr_QueryUserInfo(p, &u);
+}
+
 /*******************************************************************
  _samr_GetGroupsForUser
  ********************************************************************/
@@ -2844,8 +2987,8 @@ NTSTATUS _samr_QueryUserInfo(pipes_struct *p,
 NTSTATUS _samr_GetGroupsForUser(pipes_struct *p,
                                struct samr_GetGroupsForUser *r)
 {
+       struct samr_user_info *uinfo;
        struct samu *sam_pass=NULL;
-       DOM_SID  sid;
        DOM_SID *sids;
        struct samr_RidWithAttribute dom_gid;
        struct samr_RidWithAttribute *gids = NULL;
@@ -2853,7 +2996,6 @@ NTSTATUS _samr_GetGroupsForUser(pipes_struct *p,
        size_t num_groups = 0;
        gid_t *unix_gids;
        size_t i, num_gids;
-       uint32 acc_granted;
        bool ret;
        NTSTATUS result;
        bool success = False;
@@ -2874,23 +3016,19 @@ NTSTATUS _samr_GetGroupsForUser(pipes_struct *p,
 
        DEBUG(5,("_samr_GetGroupsForUser: %d\n", __LINE__));
 
+       uinfo = policy_handle_find(p, r->in.user_handle,
+                                  SAMR_USER_ACCESS_GET_GROUPS, NULL,
+                                  struct samr_user_info, &result);
+       if (!NT_STATUS_IS_OK(result)) {
+               return result;
+       }
+
        rids = TALLOC_ZERO_P(p->mem_ctx, struct samr_RidWithAttributeArray);
        if (!rids) {
                return NT_STATUS_NO_MEMORY;
        }
 
-       /* find the policy handle.  open a policy on it. */
-       if (!get_lsa_policy_samr_sid(p, r->in.user_handle, &sid, &acc_granted, NULL))
-               return NT_STATUS_INVALID_HANDLE;
-
-       result = access_check_samr_function(acc_granted,
-                                           SAMR_USER_ACCESS_GET_GROUPS,
-                                           "_samr_GetGroupsForUser");
-       if (!NT_STATUS_IS_OK(result)) {
-               return result;
-       }
-
-       if (!sid_check_is_in_our_domain(&sid))
+       if (!sid_check_is_in_our_domain(&uinfo->sid))
                return NT_STATUS_OBJECT_TYPE_MISMATCH;
 
         if ( !(sam_pass = samu_new( p->mem_ctx )) ) {
@@ -2898,12 +3036,12 @@ NTSTATUS _samr_GetGroupsForUser(pipes_struct *p,
         }
 
        become_root();
-       ret = pdb_getsampwsid(sam_pass, &sid);
+       ret = pdb_getsampwsid(sam_pass, &uinfo->sid);
        unbecome_root();
 
        if (!ret) {
                DEBUG(10, ("pdb_getsampwsid failed for %s\n",
-                          sid_string_dbg(&sid)));
+                          sid_string_dbg(&uinfo->sid)));
                return NT_STATUS_NO_SUCH_USER;
        }
 
@@ -2922,7 +3060,7 @@ NTSTATUS _samr_GetGroupsForUser(pipes_struct *p,
 
        if (!NT_STATUS_IS_OK(result)) {
                DEBUG(10, ("pdb_enum_group_memberships failed for %s\n",
-                          sid_string_dbg(&sid)));
+                          sid_string_dbg(&uinfo->sid)));
                return result;
        }
 
@@ -2979,44 +3117,32 @@ NTSTATUS _samr_QueryDomainInfo(pipes_struct *p,
                               struct samr_QueryDomainInfo *r)
 {
        NTSTATUS status = NT_STATUS_OK;
-       struct samr_info *info = NULL;
+       struct samr_domain_info *dinfo;
        union samr_DomainInfo *dom_info;
-       uint32 min_pass_len,pass_hist,password_properties;
        time_t u_expire, u_min_age;
-       NTTIME nt_expire, nt_min_age;
 
        time_t u_lock_duration, u_reset_time;
-       NTTIME nt_lock_duration, nt_reset_time;
-       uint32 lockout;
-       time_t u_logout;
-       NTTIME nt_logout;
+       uint32_t u_logout;
 
        uint32 account_policy_temp;
 
        time_t seq_num;
        uint32 server_role;
 
-       uint32 num_users=0, num_groups=0, num_aliases=0;
-
        DEBUG(5,("_samr_QueryDomainInfo: %d\n", __LINE__));
 
+       dinfo = policy_handle_find(p, r->in.domain_handle,
+                                  SAMR_ACCESS_LOOKUP_DOMAIN, NULL,
+                                  struct samr_domain_info, &status);
+       if (!NT_STATUS_IS_OK(status)) {
+               return status;
+       }
+
        dom_info = TALLOC_ZERO_P(p->mem_ctx, union samr_DomainInfo);
        if (!dom_info) {
                return NT_STATUS_NO_MEMORY;
        }
 
-       /* find the policy handle.  open a policy on it. */
-       if (!find_policy_by_hnd(p, r->in.domain_handle, (void **)(void *)&info)) {
-               return NT_STATUS_INVALID_HANDLE;
-       }
-
-       status = access_check_samr_function(info->acc_granted,
-                                           SAMR_ACCESS_OPEN_DOMAIN,
-                                           "_samr_QueryDomainInfo" );
-
-       if ( !NT_STATUS_IS_OK(status) )
-               return status;
-
        switch (r->in.level) {
                case 0x01:
 
@@ -3024,14 +3150,15 @@ NTSTATUS _samr_QueryDomainInfo(pipes_struct *p,
 
                        /* AS ROOT !!! */
 
-                       pdb_get_account_policy(AP_MIN_PASSWORD_LEN, &account_policy_temp);
-                       min_pass_len = account_policy_temp;
+                       pdb_get_account_policy(AP_MIN_PASSWORD_LEN,
+                                              &account_policy_temp);
+                       dom_info->info1.min_password_length = account_policy_temp;
 
                        pdb_get_account_policy(AP_PASSWORD_HISTORY, &account_policy_temp);
-                       pass_hist = account_policy_temp;
+                       dom_info->info1.password_history_length = account_policy_temp;
 
-                       pdb_get_account_policy(AP_USER_MUST_LOGON_TO_CHG_PASS, &account_policy_temp);
-                       password_properties = account_policy_temp;
+                       pdb_get_account_policy(AP_USER_MUST_LOGON_TO_CHG_PASS,
+                               &dom_info->info1.password_properties);
 
                        pdb_get_account_policy(AP_MAX_PASSWORD_AGE, &account_policy_temp);
                        u_expire = account_policy_temp;
@@ -3043,19 +3170,13 @@ NTSTATUS _samr_QueryDomainInfo(pipes_struct *p,
 
                        unbecome_root();
 
-                       unix_to_nt_time_abs(&nt_expire, u_expire);
-                       unix_to_nt_time_abs(&nt_min_age, u_min_age);
+                       unix_to_nt_time_abs((NTTIME *)&dom_info->info1.max_password_age, u_expire);
+                       unix_to_nt_time_abs((NTTIME *)&dom_info->info1.min_password_age, u_min_age);
 
                        if (lp_check_password_script() && *lp_check_password_script()) {
-                               password_properties |= DOMAIN_PASSWORD_COMPLEX;
+                               dom_info->info1.password_properties |= DOMAIN_PASSWORD_COMPLEX;
                        }
 
-                       init_samr_DomInfo1(&dom_info->info1,
-                                          (uint16)min_pass_len,
-                                          (uint16)pass_hist,
-                                          password_properties,
-                                          nt_expire,
-                                          nt_min_age);
                        break;
                case 0x02:
 
@@ -3063,14 +3184,16 @@ NTSTATUS _samr_QueryDomainInfo(pipes_struct *p,
 
                        /* AS ROOT !!! */
 
-                       num_users = count_sam_users(info->disp_info, ACB_NORMAL);
-                       num_groups = count_sam_groups(info->disp_info);
-                       num_aliases = count_sam_aliases(info->disp_info);
+                       dom_info->general.num_users     = count_sam_users(
+                               dinfo->disp_info, ACB_NORMAL);
+                       dom_info->general.num_groups    = count_sam_groups(
+                               dinfo->disp_info);
+                       dom_info->general.num_aliases   = count_sam_aliases(
+                               dinfo->disp_info);
 
-                       pdb_get_account_policy(AP_TIME_TO_LOGOUT, &account_policy_temp);
-                       u_logout = account_policy_temp;
+                       pdb_get_account_policy(AP_TIME_TO_LOGOUT, &u_logout);
 
-                       unix_to_nt_time_abs(&nt_logout, u_logout);
+                       unix_to_nt_time_abs(&dom_info->general.force_logoff_time, u_logout);
 
                        if (!pdb_get_seq_num(&seq_num))
                                seq_num = time(NULL);
@@ -3083,18 +3206,14 @@ NTSTATUS _samr_QueryDomainInfo(pipes_struct *p,
                        if (lp_server_role() == ROLE_DOMAIN_BDC)
                                server_role = ROLE_DOMAIN_BDC;
 
-                       init_samr_DomGeneralInformation(&dom_info->general,
-                                                       nt_logout,
-                                                       lp_serverstring(),
-                                                       lp_workgroup(),
-                                                       global_myname(),
-                                                       seq_num,
-                                                       1,
-                                                       server_role,
-                                                       1,
-                                                       num_users,
-                                                       num_groups,
-                                                       num_aliases);
+                       dom_info->general.oem_information.string        = lp_serverstring();
+                       dom_info->general.domain_name.string            = lp_workgroup();
+                       dom_info->general.primary.string                = global_myname();
+                       dom_info->general.sequence_num                  = seq_num;
+                       dom_info->general.domain_server_state           = DOMAIN_SERVER_ENABLED;
+                       dom_info->general.role                          = server_role;
+                       dom_info->general.unknown3                      = 1;
+
                        break;
                case 0x03:
 
@@ -3112,34 +3231,27 @@ NTSTATUS _samr_QueryDomainInfo(pipes_struct *p,
 
                        unbecome_root();
 
-                       unix_to_nt_time_abs(&nt_logout, u_logout);
-
-                       init_samr_DomInfo3(&dom_info->info3,
-                                          nt_logout);
+                       unix_to_nt_time_abs(&dom_info->info3.force_logoff_time, u_logout);
 
                        break;
                case 0x04:
-                       init_samr_DomOEMInformation(&dom_info->oem,
-                                                   lp_serverstring());
+                       dom_info->oem.oem_information.string = lp_serverstring();
                        break;
                case 0x05:
-                       init_samr_DomInfo5(&dom_info->info5,
-                                          get_global_sam_name());
+                       dom_info->info5.domain_name.string = get_global_sam_name();
                        break;
                case 0x06:
                        /* NT returns its own name when a PDC. win2k and later
                         * only the name of the PDC if itself is a BDC (samba4
                         * idl) */
-                       init_samr_DomInfo6(&dom_info->info6,
-                                          global_myname());
+                       dom_info->info6.primary.string = global_myname();
                        break;
                case 0x07:
                        server_role = ROLE_DOMAIN_PDC;
                        if (lp_server_role() == ROLE_DOMAIN_BDC)
                                server_role = ROLE_DOMAIN_BDC;
 
-                       init_samr_DomInfo7(&dom_info->info7,
-                                          server_role);
+                       dom_info->info7.role = server_role;
                        break;
                case 0x08:
 
@@ -3155,9 +3267,9 @@ NTSTATUS _samr_QueryDomainInfo(pipes_struct *p,
 
                        unbecome_root();
 
-                       init_samr_DomInfo8(&dom_info->info8,
-                                          seq_num,
-                                          0);
+                       dom_info->info8.sequence_num = seq_num;
+                       dom_info->info8.domain_create_time = 0;
+
                        break;
                case 0x0c:
 
@@ -3174,21 +3286,20 @@ NTSTATUS _samr_QueryDomainInfo(pipes_struct *p,
                        pdb_get_account_policy(AP_RESET_COUNT_TIME, &account_policy_temp);
                        u_reset_time = account_policy_temp * 60;
 
-                       pdb_get_account_policy(AP_BAD_ATTEMPT_LOCKOUT, &account_policy_temp);
-                       lockout = account_policy_temp;
+                       pdb_get_account_policy(AP_BAD_ATTEMPT_LOCKOUT,
+                                              &account_policy_temp);
+                       dom_info->info12.lockout_threshold = account_policy_temp;
 
                        /* !AS ROOT */
 
                        unbecome_root();
 
-                       unix_to_nt_time_abs(&nt_lock_duration, u_lock_duration);
-                       unix_to_nt_time_abs(&nt_reset_time, u_reset_time);
+                       unix_to_nt_time_abs(&dom_info->info12.lockout_duration,
+                                           u_lock_duration);
+                       unix_to_nt_time_abs(&dom_info->info12.lockout_window,
+                                           u_reset_time);
 
-                       init_samr_DomInfo12(&dom_info->info12,
-                                           nt_lock_duration,
-                                           nt_reset_time,
-                                           (uint16)lockout);
-                       break;
+                       break;
                default:
                        return NT_STATUS_INVALID_INFO_CLASS;
        }
@@ -3247,10 +3358,9 @@ NTSTATUS _samr_CreateUser2(pipes_struct *p,
 {
        const char *account = NULL;
        DOM_SID sid;
-       POLICY_HND dom_pol = *r->in.domain_handle;
        uint32_t acb_info = r->in.acct_flags;
-       POLICY_HND *user_pol = r->out.user_handle;
-       struct samr_info *info = NULL;
+       struct samr_domain_info *dinfo;
+       struct samr_user_info *uinfo;
        NTSTATUS nt_status;
        uint32 acc_granted;
        SEC_DESC *psd;
@@ -3259,20 +3369,19 @@ NTSTATUS _samr_CreateUser2(pipes_struct *p,
        uint32    des_access = GENERIC_RIGHTS_USER_ALL_ACCESS;
        bool can_add_account = False;
        SE_PRIV se_rights;
-       DISP_INFO *disp_info = NULL;
-
-       /* Get the domain SID stored in the domain policy */
-       if (!get_lsa_policy_samr_sid(p, &dom_pol, &sid, &acc_granted,
-                                    &disp_info))
-               return NT_STATUS_INVALID_HANDLE;
 
-       nt_status = access_check_samr_function(acc_granted,
-                                              SAMR_DOMAIN_ACCESS_CREATE_USER,
-                                              "_samr_CreateUser2");
+       dinfo = policy_handle_find(p, r->in.domain_handle,
+                                  SAMR_DOMAIN_ACCESS_CREATE_USER, NULL,
+                                  struct samr_domain_info, &nt_status);
        if (!NT_STATUS_IS_OK(nt_status)) {
                return nt_status;
        }
 
+       if (sid_check_is_builtin(&dinfo->sid)) {
+               DEBUG(5,("_samr_CreateUser2: Refusing user create in BUILTIN\n"));
+               return NT_STATUS_ACCESS_DENIED;
+       }
+
        if (!(acb_info == ACB_NORMAL || acb_info == ACB_DOMTRUST ||
              acb_info == ACB_WSTRUST || acb_info == ACB_SVRTRUST)) {
                /* Match Win2k, and return NT_STATUS_INVALID_PARAMETER if
@@ -3359,28 +3468,41 @@ NTSTATUS _samr_CreateUser2(pipes_struct *p,
                return nt_status;
        }
 
-       /* associate the user's SID with the new handle. */
-       if ((info = get_samr_info_by_sid(&sid)) == NULL) {
-               return NT_STATUS_NO_MEMORY;
-       }
-
-       ZERO_STRUCTP(info);
-       info->sid = sid;
-       info->acc_granted = acc_granted;
-
-       /* get a (unique) handle.  open a policy on it. */
-       if (!create_policy_hnd(p, user_pol, free_samr_info, (void *)info)) {
-               return NT_STATUS_OBJECT_NAME_NOT_FOUND;
+       uinfo = policy_handle_create(p, r->out.user_handle, acc_granted,
+                                    struct samr_user_info, &nt_status);
+       if (!NT_STATUS_IS_OK(nt_status)) {
+               return nt_status;
        }
+       uinfo->sid = sid;
 
        /* After a "set" ensure we have no cached display info. */
-       force_flush_samr_cache(info->disp_info);
+       force_flush_samr_cache(&sid);
 
        *r->out.access_granted = acc_granted;
 
        return NT_STATUS_OK;
 }
 
+/****************************************************************
+****************************************************************/
+
+NTSTATUS _samr_CreateUser(pipes_struct *p,
+                         struct samr_CreateUser *r)
+{
+       struct samr_CreateUser2 c;
+       uint32_t access_granted;
+
+       c.in.domain_handle      = r->in.domain_handle;
+       c.in.account_name       = r->in.account_name;
+       c.in.acct_flags         = ACB_NORMAL;
+       c.in.access_mask        = r->in.access_mask;
+       c.out.user_handle       = r->out.user_handle;
+       c.out.access_granted    = &access_granted;
+       c.out.rid               = r->out.rid;
+
+       return _samr_CreateUser2(p, &c);
+}
+
 /*******************************************************************
  _samr_Connect
  ********************************************************************/
@@ -3388,8 +3510,11 @@ NTSTATUS _samr_CreateUser2(pipes_struct *p,
 NTSTATUS _samr_Connect(pipes_struct *p,
                       struct samr_Connect *r)
 {
-       struct samr_info *info = NULL;
+       struct samr_connect_info *info;
+       uint32_t acc_granted;
+       struct policy_handle hnd;
        uint32    des_access = r->in.access_mask;
+       NTSTATUS status;
 
        /* Access check */
 
@@ -3398,12 +3523,6 @@ NTSTATUS _samr_Connect(pipes_struct *p,
                return NT_STATUS_ACCESS_DENIED;
        }
 
-       /* set up the SAMR connect_anon response */
-
-       /* associate the user's SID with the new handle. */
-       if ((info = get_samr_info_by_sid(NULL)) == NULL)
-               return NT_STATUS_NO_MEMORY;
-
        /* don't give away the farm but this is probably ok.  The SAMR_ACCESS_ENUM_DOMAINS
           was observed from a win98 client trying to enumerate users (when configured
           user level access control on shares)   --jerry */
@@ -3411,12 +3530,20 @@ NTSTATUS _samr_Connect(pipes_struct *p,
        map_max_allowed_access(p->server_info->ptok, &des_access);
 
        se_map_generic( &des_access, &sam_generic_mapping );
-       info->acc_granted = des_access & (SAMR_ACCESS_ENUM_DOMAINS|SAMR_ACCESS_OPEN_DOMAIN);
 
-       /* get a (unique) handle.  open a policy on it. */
-       if (!create_policy_hnd(p, r->out.connect_handle, free_samr_info, (void *)info))
-               return NT_STATUS_OBJECT_NAME_NOT_FOUND;
+       acc_granted = des_access & (SAMR_ACCESS_ENUM_DOMAINS
+                                   |SAMR_ACCESS_LOOKUP_DOMAIN);
+
+       /* set up the SAMR connect_anon response */
 
+       info = policy_handle_create(p, &hnd, acc_granted,
+                                   struct samr_connect_info,
+                                   &status);
+       if (!NT_STATUS_IS_OK(status)) {
+               return status;
+       }
+
+       *r->out.connect_handle = hnd;
        return NT_STATUS_OK;
 }
 
@@ -3427,20 +3554,36 @@ NTSTATUS _samr_Connect(pipes_struct *p,
 NTSTATUS _samr_Connect2(pipes_struct *p,
                        struct samr_Connect2 *r)
 {
-       struct samr_info *info = NULL;
+       struct samr_connect_info *info = NULL;
+       struct policy_handle hnd;
        SEC_DESC *psd = NULL;
        uint32    acc_granted;
        uint32    des_access = r->in.access_mask;
        NTSTATUS  nt_status;
        size_t    sd_size;
+       const char *fn = "_samr_Connect2";
 
+       switch (p->hdr_req.opnum) {
+       case NDR_SAMR_CONNECT2:
+               fn = "_samr_Connect2";
+               break;
+       case NDR_SAMR_CONNECT3:
+               fn = "_samr_Connect3";
+               break;
+       case NDR_SAMR_CONNECT4:
+               fn = "_samr_Connect4";
+               break;
+       case NDR_SAMR_CONNECT5:
+               fn = "_samr_Connect5";
+               break;
+       }
 
-       DEBUG(5,("_samr_Connect2: %d\n", __LINE__));
+       DEBUG(5,("%s: %d\n", fn, __LINE__));
 
        /* Access check */
 
        if (!pipe_access_check(p)) {
-               DEBUG(3, ("access denied to _samr_Connect2\n"));
+               DEBUG(3, ("access denied to %s\n", fn));
                return NT_STATUS_ACCESS_DENIED;
        }
 
@@ -3450,25 +3593,37 @@ NTSTATUS _samr_Connect2(pipes_struct *p,
        se_map_generic(&des_access, &sam_generic_mapping);
 
        nt_status = access_check_samr_object(psd, p->server_info->ptok,
-               NULL, 0, des_access, &acc_granted, "_samr_Connect2");
+               NULL, 0, des_access, &acc_granted, fn);
 
        if ( !NT_STATUS_IS_OK(nt_status) )
                return nt_status;
 
-       /* associate the user's SID and access granted with the new handle. */
-       if ((info = get_samr_info_by_sid(NULL)) == NULL)
-               return NT_STATUS_NO_MEMORY;
+       info = policy_handle_create(p, &hnd, acc_granted,
+                                   struct samr_connect_info, &nt_status);
+        if (!NT_STATUS_IS_OK(nt_status)) {
+                return nt_status;
+        }
 
-       info->acc_granted = acc_granted;
-       info->status = r->in.access_mask; /* this looks so wrong... - gd */
+       DEBUG(5,("%s: %d\n", fn, __LINE__));
 
-       /* get a (unique) handle.  open a policy on it. */
-       if (!create_policy_hnd(p, r->out.connect_handle, free_samr_info, (void *)info))
-               return NT_STATUS_OBJECT_NAME_NOT_FOUND;
+       *r->out.connect_handle = hnd;
+       return NT_STATUS_OK;
+}
 
-       DEBUG(5,("_samr_Connect2: %d\n", __LINE__));
+/****************************************************************
+ _samr_Connect3
+****************************************************************/
 
-       return nt_status;
+NTSTATUS _samr_Connect3(pipes_struct *p,
+                       struct samr_Connect3 *r)
+{
+       struct samr_Connect2 c;
+
+       c.in.system_name        = r->in.system_name;
+       c.in.access_mask        = r->in.access_mask;
+       c.out.connect_handle    = r->out.connect_handle;
+
+       return _samr_Connect2(p, &c);
 }
 
 /*******************************************************************
@@ -3478,48 +3633,13 @@ NTSTATUS _samr_Connect2(pipes_struct *p,
 NTSTATUS _samr_Connect4(pipes_struct *p,
                        struct samr_Connect4 *r)
 {
-       struct samr_info *info = NULL;
-       SEC_DESC *psd = NULL;
-       uint32    acc_granted;
-       uint32    des_access = r->in.access_mask;
-       NTSTATUS  nt_status;
-       size_t    sd_size;
+       struct samr_Connect2 c;
 
+       c.in.system_name        = r->in.system_name;
+       c.in.access_mask        = r->in.access_mask;
+       c.out.connect_handle    = r->out.connect_handle;
 
-       DEBUG(5,("_samr_Connect4: %d\n", __LINE__));
-
-       /* Access check */
-
-       if (!pipe_access_check(p)) {
-               DEBUG(3, ("access denied to samr_Connect4\n"));
-               return NT_STATUS_ACCESS_DENIED;
-       }
-
-       map_max_allowed_access(p->server_info->ptok, &des_access);
-
-       make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &sam_generic_mapping, NULL, 0);
-       se_map_generic(&des_access, &sam_generic_mapping);
-
-       nt_status = access_check_samr_object(psd, p->server_info->ptok,
-               NULL, 0, des_access, &acc_granted, "_samr_Connect4");
-
-       if ( !NT_STATUS_IS_OK(nt_status) )
-               return nt_status;
-
-       /* associate the user's SID and access granted with the new handle. */
-       if ((info = get_samr_info_by_sid(NULL)) == NULL)
-               return NT_STATUS_NO_MEMORY;
-
-       info->acc_granted = acc_granted;
-       info->status = r->in.access_mask; /* ??? */
-
-       /* get a (unique) handle.  open a policy on it. */
-       if (!create_policy_hnd(p, r->out.connect_handle, free_samr_info, (void *)info))
-               return NT_STATUS_OBJECT_NAME_NOT_FOUND;
-
-       DEBUG(5,("_samr_Connect4: %d\n", __LINE__));
-
-       return NT_STATUS_OK;
+       return _samr_Connect2(p, &c);
 }
 
 /*******************************************************************
@@ -3529,51 +3649,24 @@ NTSTATUS _samr_Connect4(pipes_struct *p,
 NTSTATUS _samr_Connect5(pipes_struct *p,
                        struct samr_Connect5 *r)
 {
-       struct samr_info *info = NULL;
-       SEC_DESC *psd = NULL;
-       uint32    acc_granted;
-       uint32    des_access = r->in.access_mask;
-       NTSTATUS  nt_status;
-       size_t    sd_size;
+       NTSTATUS status;
+       struct samr_Connect2 c;
        struct samr_ConnectInfo1 info1;
 
-       DEBUG(5,("_samr_Connect5: %d\n", __LINE__));
-
-       /* Access check */
-
-       if (!pipe_access_check(p)) {
-               DEBUG(3, ("access denied to samr_Connect5\n"));
-               return NT_STATUS_ACCESS_DENIED;
-       }
-
-       map_max_allowed_access(p->server_info->ptok, &des_access);
-
-       make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &sam_generic_mapping, NULL, 0);
-       se_map_generic(&des_access, &sam_generic_mapping);
-
-       nt_status = access_check_samr_object(psd, p->server_info->ptok,
-               NULL, 0, des_access, &acc_granted, "_samr_Connect5");
-
-       if ( !NT_STATUS_IS_OK(nt_status) )
-               return nt_status;
-
-       /* associate the user's SID and access granted with the new handle. */
-       if ((info = get_samr_info_by_sid(NULL)) == NULL)
-               return NT_STATUS_NO_MEMORY;
-
-       info->acc_granted = acc_granted;
-       info->status = r->in.access_mask; /* ??? */
-
-       /* get a (unique) handle.  open a policy on it. */
-       if (!create_policy_hnd(p, r->out.connect_handle, free_samr_info, (void *)info))
-               return NT_STATUS_OBJECT_NAME_NOT_FOUND;
-
-       DEBUG(5,("_samr_Connect5: %d\n", __LINE__));
-
        info1.client_version = SAMR_CONNECT_AFTER_W2K;
        info1.unknown2 = 0;
 
+       c.in.system_name        = r->in.system_name;
+       c.in.access_mask        = r->in.access_mask;
+       c.out.connect_handle    = r->out.connect_handle;
+
        *r->out.level_out = 1;
+
+       status = _samr_Connect2(p, &c);
+       if (!NT_STATUS_IS_OK(status)) {
+               return status;
+       }
+
        r->out.info_out->info1 = info1;
 
        return NT_STATUS_OK;
@@ -3586,25 +3679,26 @@ NTSTATUS _samr_Connect5(pipes_struct *p,
 NTSTATUS _samr_LookupDomain(pipes_struct *p,
                            struct samr_LookupDomain *r)
 {
-       NTSTATUS status = NT_STATUS_OK;
-       struct samr_info *info;
+       NTSTATUS status;
+       struct samr_connect_info *info;
        const char *domain_name;
        DOM_SID *sid = NULL;
 
-       if (!find_policy_by_hnd(p, r->in.connect_handle, (void**)(void *)&info))
-               return NT_STATUS_INVALID_HANDLE;
-
        /* win9x user manager likes to use SAMR_ACCESS_ENUM_DOMAINS here.
           Reverted that change so we will work with RAS servers again */
 
-       status = access_check_samr_function(info->acc_granted,
-                                           SAMR_ACCESS_OPEN_DOMAIN,
-                                           "_samr_LookupDomain");
+       info = policy_handle_find(p, r->in.connect_handle,
+                                 SAMR_ACCESS_LOOKUP_DOMAIN, NULL,
+                                 struct samr_connect_info,
+                                 &status);
        if (!NT_STATUS_IS_OK(status)) {
                return status;
        }
 
        domain_name = r->in.domain_name->string;
+       if (!domain_name) {
+               return NT_STATUS_INVALID_PARAMETER;
+       }
 
        sid = TALLOC_ZERO_P(p->mem_ctx, struct dom_sid2);
        if (!sid) {
@@ -3635,17 +3729,14 @@ NTSTATUS _samr_EnumDomains(pipes_struct *p,
                           struct samr_EnumDomains *r)
 {
        NTSTATUS status;
-       struct samr_info *info;
+       struct samr_connect_info *info;
        uint32_t num_entries = 2;
        struct samr_SamEntry *entry_array = NULL;
        struct samr_SamArray *sam;
 
-       if (!find_policy_by_hnd(p, r->in.connect_handle, (void**)(void *)&info))
-               return NT_STATUS_INVALID_HANDLE;
-
-       status = access_check_samr_function(info->acc_granted,
-                                           SAMR_ACCESS_ENUM_DOMAINS,
-                                           "_samr_EnumDomains");
+       info = policy_handle_find(p, r->in.connect_handle,
+                                 SAMR_ACCESS_ENUM_DOMAINS, NULL,
+                                 struct samr_connect_info, &status);
        if (!NT_STATUS_IS_OK(status)) {
                return status;
        }
@@ -3685,10 +3776,9 @@ NTSTATUS _samr_OpenAlias(pipes_struct *p,
                         struct samr_OpenAlias *r)
 {
        DOM_SID sid;
-       POLICY_HND domain_pol = *r->in.domain_handle;
        uint32 alias_rid = r->in.rid;
-       POLICY_HND *alias_pol = r->out.alias_handle;
-       struct    samr_info *info = NULL;
+       struct samr_alias_info *ainfo;
+       struct samr_domain_info *dinfo;
        SEC_DESC *psd = NULL;
        uint32    acc_granted;
        uint32    des_access = r->in.access_mask;
@@ -3696,21 +3786,16 @@ NTSTATUS _samr_OpenAlias(pipes_struct *p,
        NTSTATUS  status;
        SE_PRIV se_rights;
 
-       /* find the domain policy and get the SID / access bits stored in the domain policy */
-
-       if ( !get_lsa_policy_samr_sid(p, &domain_pol, &sid, &acc_granted, NULL) )
-               return NT_STATUS_INVALID_HANDLE;
-
-       status = access_check_samr_function(acc_granted,
-                                           SAMR_DOMAIN_ACCESS_OPEN_ACCOUNT,
-                                           "_samr_OpenAlias");
-
-       if ( !NT_STATUS_IS_OK(status) )
+       dinfo = policy_handle_find(p, r->in.domain_handle,
+                                  SAMR_DOMAIN_ACCESS_OPEN_ACCOUNT, NULL,
+                                  struct samr_domain_info, &status);
+       if (!NT_STATUS_IS_OK(status)) {
                return status;
+       }
 
        /* append the alias' RID to it */
 
-       if (!sid_append_rid(&sid, alias_rid))
+       if (!sid_compose(&sid, &dinfo->sid, alias_rid))
                return NT_STATUS_NO_SUCH_ALIAS;
 
        /*check if access can be granted as requested by client. */
@@ -3752,17 +3837,68 @@ NTSTATUS _samr_OpenAlias(pipes_struct *p,
 
        }
 
-       /* associate the alias SID with the new handle. */
-       if ((info = get_samr_info_by_sid(&sid)) == NULL)
-               return NT_STATUS_NO_MEMORY;
+       ainfo = policy_handle_create(p, r->out.alias_handle, acc_granted,
+                                    struct samr_alias_info, &status);
+       if (!NT_STATUS_IS_OK(status)) {
+               return status;
+       }
+       ainfo->sid = sid;
 
-       info->acc_granted = acc_granted;
+       return NT_STATUS_OK;
+}
 
-       /* get a (unique) handle.  open a policy on it. */
-       if (!create_policy_hnd(p, alias_pol, free_samr_info, (void *)info))
-               return NT_STATUS_OBJECT_NAME_NOT_FOUND;
+/*******************************************************************
+ set_user_info_2
+ ********************************************************************/
 
-       return NT_STATUS_OK;
+static NTSTATUS set_user_info_2(TALLOC_CTX *mem_ctx,
+                               struct samr_UserInfo2 *id2,
+                               struct samu *pwd)
+{
+       if (id2 == NULL) {
+               DEBUG(5,("set_user_info_2: NULL id2\n"));
+               return NT_STATUS_ACCESS_DENIED;
+       }
+
+       copy_id2_to_sam_passwd(pwd, id2);
+
+       return pdb_update_sam_account(pwd);
+}
+
+/*******************************************************************
+ set_user_info_4
+ ********************************************************************/
+
+static NTSTATUS set_user_info_4(TALLOC_CTX *mem_ctx,
+                               struct samr_UserInfo4 *id4,
+                               struct samu *pwd)
+{
+       if (id4 == NULL) {
+               DEBUG(5,("set_user_info_2: NULL id4\n"));
+               return NT_STATUS_ACCESS_DENIED;
+       }
+
+       copy_id4_to_sam_passwd(pwd, id4);
+
+       return pdb_update_sam_account(pwd);
+}
+
+/*******************************************************************
+ set_user_info_6
+ ********************************************************************/
+
+static NTSTATUS set_user_info_6(TALLOC_CTX *mem_ctx,
+                               struct samr_UserInfo6 *id6,
+                               struct samu *pwd)
+{
+       if (id6 == NULL) {
+               DEBUG(5,("set_user_info_6: NULL id6\n"));
+               return NT_STATUS_ACCESS_DENIED;
+       }
+
+       copy_id6_to_sam_passwd(pwd, id6);
+
+       return pdb_update_sam_account(pwd);
 }
 
 /*******************************************************************
@@ -3777,13 +3913,11 @@ static NTSTATUS set_user_info_7(TALLOC_CTX *mem_ctx,
 
        if (id7 == NULL) {
                DEBUG(5, ("set_user_info_7: NULL id7\n"));
-               TALLOC_FREE(pwd);
                return NT_STATUS_ACCESS_DENIED;
        }
 
        if (!id7->account_name.string) {
                DEBUG(5, ("set_user_info_7: failed to get new username\n"));
-               TALLOC_FREE(pwd);
                return NT_STATUS_ACCESS_DENIED;
        }
 
@@ -3803,105 +3937,235 @@ static NTSTATUS set_user_info_7(TALLOC_CTX *mem_ctx,
 
        rc = pdb_rename_sam_account(pwd, id7->account_name.string);
 
-       TALLOC_FREE(pwd);
        return rc;
 }
 
+/*******************************************************************
+ set_user_info_8
+ ********************************************************************/
+
+static NTSTATUS set_user_info_8(TALLOC_CTX *mem_ctx,
+                               struct samr_UserInfo8 *id8,
+                               struct samu *pwd)
+{
+       if (id8 == NULL) {
+               DEBUG(5,("set_user_info_8: NULL id8\n"));
+               return NT_STATUS_ACCESS_DENIED;
+       }
+
+       copy_id8_to_sam_passwd(pwd, id8);
+
+       return pdb_update_sam_account(pwd);
+}
+
+/*******************************************************************
+ set_user_info_10
+ ********************************************************************/
+
+static NTSTATUS set_user_info_10(TALLOC_CTX *mem_ctx,
+                                struct samr_UserInfo10 *id10,
+                                struct samu *pwd)
+{
+       if (id10 == NULL) {
+               DEBUG(5,("set_user_info_8: NULL id10\n"));
+               return NT_STATUS_ACCESS_DENIED;
+       }
+
+       copy_id10_to_sam_passwd(pwd, id10);
+
+       return pdb_update_sam_account(pwd);
+}
+
+/*******************************************************************
+ set_user_info_11
+ ********************************************************************/
+
+static NTSTATUS set_user_info_11(TALLOC_CTX *mem_ctx,
+                                struct samr_UserInfo11 *id11,
+                                struct samu *pwd)
+{
+       if (id11 == NULL) {
+               DEBUG(5,("set_user_info_11: NULL id11\n"));
+               return NT_STATUS_ACCESS_DENIED;
+       }
+
+       copy_id11_to_sam_passwd(pwd, id11);
+
+       return pdb_update_sam_account(pwd);
+}
+
+/*******************************************************************
+ set_user_info_12
+ ********************************************************************/
+
+static NTSTATUS set_user_info_12(TALLOC_CTX *mem_ctx,
+                                struct samr_UserInfo12 *id12,
+                                struct samu *pwd)
+{
+       if (id12 == NULL) {
+               DEBUG(5,("set_user_info_12: NULL id12\n"));
+               return NT_STATUS_ACCESS_DENIED;
+       }
+
+       copy_id12_to_sam_passwd(pwd, id12);
+
+       return pdb_update_sam_account(pwd);
+}
+
+/*******************************************************************
+ set_user_info_13
+ ********************************************************************/
+
+static NTSTATUS set_user_info_13(TALLOC_CTX *mem_ctx,
+                                struct samr_UserInfo13 *id13,
+                                struct samu *pwd)
+{
+       if (id13 == NULL) {
+               DEBUG(5,("set_user_info_13: NULL id13\n"));
+               return NT_STATUS_ACCESS_DENIED;
+       }
+
+       copy_id13_to_sam_passwd(pwd, id13);
+
+       return pdb_update_sam_account(pwd);
+}
+
+/*******************************************************************
+ set_user_info_14
+ ********************************************************************/
+
+static NTSTATUS set_user_info_14(TALLOC_CTX *mem_ctx,
+                                struct samr_UserInfo14 *id14,
+                                struct samu *pwd)
+{
+       if (id14 == NULL) {
+               DEBUG(5,("set_user_info_14: NULL id14\n"));
+               return NT_STATUS_ACCESS_DENIED;
+       }
+
+       copy_id14_to_sam_passwd(pwd, id14);
+
+       return pdb_update_sam_account(pwd);
+}
+
 /*******************************************************************
  set_user_info_16
  ********************************************************************/
 
-static bool set_user_info_16(struct samr_UserInfo16 *id16,
-                            struct samu *pwd)
+static NTSTATUS set_user_info_16(TALLOC_CTX *mem_ctx,
+                                struct samr_UserInfo16 *id16,
+                                struct samu *pwd)
 {
        if (id16 == NULL) {
-               DEBUG(5, ("set_user_info_16: NULL id16\n"));
-               TALLOC_FREE(pwd);
-               return False;
+               DEBUG(5,("set_user_info_16: NULL id16\n"));
+               return NT_STATUS_ACCESS_DENIED;
        }
 
-       /* FIX ME: check if the value is really changed --metze */
-       if (!pdb_set_acct_ctrl(pwd, id16->acct_flags, PDB_CHANGED)) {
-               TALLOC_FREE(pwd);
-               return False;
-       }
+       copy_id16_to_sam_passwd(pwd, id16);
 
-       if(!NT_STATUS_IS_OK(pdb_update_sam_account(pwd))) {
-               TALLOC_FREE(pwd);
-               return False;
+       return pdb_update_sam_account(pwd);
+}
+
+/*******************************************************************
+ set_user_info_17
+ ********************************************************************/
+
+static NTSTATUS set_user_info_17(TALLOC_CTX *mem_ctx,
+                                struct samr_UserInfo17 *id17,
+                                struct samu *pwd)
+{
+       if (id17 == NULL) {
+               DEBUG(5,("set_user_info_17: NULL id17\n"));
+               return NT_STATUS_ACCESS_DENIED;
        }
 
-       TALLOC_FREE(pwd);
+       copy_id17_to_sam_passwd(pwd, id17);
 
-       return True;
+       return pdb_update_sam_account(pwd);
 }
 
 /*******************************************************************
  set_user_info_18
  ********************************************************************/
 
-static bool set_user_info_18(struct samr_UserInfo18 *id18,
-                            struct samu *pwd)
+static NTSTATUS set_user_info_18(struct samr_UserInfo18 *id18,
+                                TALLOC_CTX *mem_ctx,
+                                DATA_BLOB *session_key,
+                                struct samu *pwd)
 {
        if (id18 == NULL) {
                DEBUG(2, ("set_user_info_18: id18 is NULL\n"));
-               TALLOC_FREE(pwd);
-               return False;
+               return NT_STATUS_INVALID_PARAMETER;
        }
 
-       if (!pdb_set_lanman_passwd (pwd, id18->lm_pwd.hash, PDB_CHANGED)) {
-               TALLOC_FREE(pwd);
-               return False;
+       if (id18->nt_pwd_active || id18->lm_pwd_active) {
+               if (!session_key->length) {
+                       return NT_STATUS_NO_USER_SESSION_KEY;
+               }
        }
-       if (!pdb_set_nt_passwd     (pwd, id18->nt_pwd.hash, PDB_CHANGED)) {
-               TALLOC_FREE(pwd);
-               return False;
+
+       if (id18->nt_pwd_active) {
+
+               DATA_BLOB in, out;
+
+               in = data_blob_const(id18->nt_pwd.hash, 16);
+               out = data_blob_talloc_zero(mem_ctx, 16);
+
+               sess_crypt_blob(&out, &in, session_key, false);
+
+               if (!pdb_set_nt_passwd(pwd, out.data, PDB_CHANGED)) {
+                       return NT_STATUS_ACCESS_DENIED;
+               }
+
+               pdb_set_pass_last_set_time(pwd, time(NULL), PDB_CHANGED);
        }
-       if (!pdb_set_pass_last_set_time (pwd, time(NULL), PDB_CHANGED)) {
-               TALLOC_FREE(pwd);
-               return False;
+
+       if (id18->lm_pwd_active) {
+
+               DATA_BLOB in, out;
+
+               in = data_blob_const(id18->lm_pwd.hash, 16);
+               out = data_blob_talloc_zero(mem_ctx, 16);
+
+               sess_crypt_blob(&out, &in, session_key, false);
+
+               if (!pdb_set_lanman_passwd(pwd, out.data, PDB_CHANGED)) {
+                       return NT_STATUS_ACCESS_DENIED;
+               }
+
+               pdb_set_pass_last_set_time(pwd, time(NULL), PDB_CHANGED);
        }
 
-       if(!NT_STATUS_IS_OK(pdb_update_sam_account(pwd))) {
-               TALLOC_FREE(pwd);
-               return False;
-       }
+       copy_id18_to_sam_passwd(pwd, id18);
 
-       TALLOC_FREE(pwd);
-       return True;
+       return pdb_update_sam_account(pwd);
 }
 
 /*******************************************************************
  set_user_info_20
  ********************************************************************/
 
-static bool set_user_info_20(struct samr_UserInfo20 *id20,
-                            struct samu *pwd)
+static NTSTATUS set_user_info_20(TALLOC_CTX *mem_ctx,
+                                struct samr_UserInfo20 *id20,
+                                struct samu *pwd)
 {
        if (id20 == NULL) {
-               DEBUG(5, ("set_user_info_20: NULL id20\n"));
-               return False;
+               DEBUG(5,("set_user_info_20: NULL id20\n"));
+               return NT_STATUS_ACCESS_DENIED;
        }
 
        copy_id20_to_sam_passwd(pwd, id20);
 
-       /* write the change out */
-       if(!NT_STATUS_IS_OK(pdb_update_sam_account(pwd))) {
-               TALLOC_FREE(pwd);
-               return False;
-       }
-
-       TALLOC_FREE(pwd);
-
-       return True;
+       return pdb_update_sam_account(pwd);
 }
 
 /*******************************************************************
  set_user_info_21
  ********************************************************************/
 
-static NTSTATUS set_user_info_21(TALLOC_CTX *mem_ctx,
-                                struct samr_UserInfo21 *id21,
+static NTSTATUS set_user_info_21(struct samr_UserInfo21 *id21,
+                                TALLOC_CTX *mem_ctx,
+                                DATA_BLOB *session_key,
                                 struct samu *pwd)
 {
        NTSTATUS status;
@@ -3911,6 +4175,60 @@ static NTSTATUS set_user_info_21(TALLOC_CTX *mem_ctx,
                return NT_STATUS_INVALID_PARAMETER;
        }
 
+       if (id21->fields_present == 0) {
+               return NT_STATUS_INVALID_PARAMETER;
+       }
+
+       if (id21->fields_present & SAMR_FIELD_LAST_PWD_CHANGE) {
+               return NT_STATUS_ACCESS_DENIED;
+       }
+
+       if (id21->fields_present & SAMR_FIELD_NT_PASSWORD_PRESENT) {
+               if (id21->nt_password_set) {
+                       DATA_BLOB in, out;
+
+                       if ((id21->nt_owf_password.length != 16) ||
+                           (id21->nt_owf_password.size != 16)) {
+                               return NT_STATUS_INVALID_PARAMETER;
+                       }
+
+                       if (!session_key->length) {
+                               return NT_STATUS_NO_USER_SESSION_KEY;
+                       }
+
+                       in = data_blob_const(id21->nt_owf_password.array, 16);
+                       out = data_blob_talloc_zero(mem_ctx, 16);
+
+                       sess_crypt_blob(&out, &in, session_key, false);
+
+                       pdb_set_nt_passwd(pwd, out.data, PDB_CHANGED);
+                       pdb_set_pass_last_set_time(pwd, time(NULL), PDB_CHANGED);
+               }
+       }
+
+       if (id21->fields_present & SAMR_FIELD_LM_PASSWORD_PRESENT) {
+               if (id21->lm_password_set) {
+                       DATA_BLOB in, out;
+
+                       if ((id21->lm_owf_password.length != 16) ||
+                           (id21->lm_owf_password.size != 16)) {
+                               return NT_STATUS_INVALID_PARAMETER;
+                       }
+
+                       if (!session_key->length) {
+                               return NT_STATUS_NO_USER_SESSION_KEY;
+                       }
+
+                       in = data_blob_const(id21->lm_owf_password.array, 16);
+                       out = data_blob_talloc_zero(mem_ctx, 16);
+
+                       sess_crypt_blob(&out, &in, session_key, false);
+
+                       pdb_set_lanman_passwd(pwd, out.data, PDB_CHANGED);
+                       pdb_set_pass_last_set_time(pwd, time(NULL), PDB_CHANGED);
+               }
+       }
+
        /* we need to separately check for an account rename first */
 
        if (id21->account_name.string &&
@@ -3936,7 +4254,6 @@ static NTSTATUS set_user_info_21(TALLOC_CTX *mem_ctx,
                if (!NT_STATUS_IS_OK(status)) {
                        DEBUG(0,("set_user_info_21: failed to rename account: %s\n",
                                nt_errstr(status)));
-                       TALLOC_FREE(pwd);
                        return status;
                }
 
@@ -3967,12 +4284,9 @@ static NTSTATUS set_user_info_21(TALLOC_CTX *mem_ctx,
 
        /* write the change out */
        if(!NT_STATUS_IS_OK(status = pdb_update_sam_account(pwd))) {
-               TALLOC_FREE(pwd);
                return status;
        }
 
-       TALLOC_FREE(pwd);
-
        return NT_STATUS_OK;
 }
 
@@ -3985,8 +4299,8 @@ static NTSTATUS set_user_info_23(TALLOC_CTX *mem_ctx,
                                 struct samu *pwd)
 {
        char *plaintext_buf = NULL;
-       uint32 len = 0;
-       uint16 acct_ctrl;
+       size_t len = 0;
+       uint32_t acct_ctrl;
        NTSTATUS status;
 
        if (id23 == NULL) {
@@ -3994,39 +4308,48 @@ static NTSTATUS set_user_info_23(TALLOC_CTX *mem_ctx,
                return NT_STATUS_INVALID_PARAMETER;
        }
 
-       DEBUG(5, ("Attempting administrator password change (level 23) for user %s\n",
-                 pdb_get_username(pwd)));
-
-       acct_ctrl = pdb_get_acct_ctrl(pwd);
-
-       if (!decode_pw_buffer(mem_ctx,
-                               id23->password.data,
-                               &plaintext_buf,
-                               &len,
-                               STR_UNICODE)) {
-               TALLOC_FREE(pwd);
+       if (id23->info.fields_present == 0) {
                return NT_STATUS_INVALID_PARAMETER;
-       }
+       }
 
-       if (!pdb_set_plaintext_passwd (pwd, plaintext_buf)) {
-               TALLOC_FREE(pwd);
+       if (id23->info.fields_present & SAMR_FIELD_LAST_PWD_CHANGE) {
                return NT_STATUS_ACCESS_DENIED;
        }
 
+       if ((id23->info.fields_present & SAMR_FIELD_NT_PASSWORD_PRESENT) ||
+           (id23->info.fields_present & SAMR_FIELD_LM_PASSWORD_PRESENT)) {
+
+               DEBUG(5, ("Attempting administrator password change (level 23) for user %s\n",
+                         pdb_get_username(pwd)));
+
+               if (!decode_pw_buffer(mem_ctx,
+                                     id23->password.data,
+                                     &plaintext_buf,
+                                     &len,
+                                     CH_UTF16)) {
+                       return NT_STATUS_WRONG_PASSWORD;
+               }
+
+               if (!pdb_set_plaintext_passwd (pwd, plaintext_buf)) {
+                       return NT_STATUS_ACCESS_DENIED;
+               }
+       }
+
        copy_id23_to_sam_passwd(pwd, id23);
 
+       acct_ctrl = pdb_get_acct_ctrl(pwd);
+
        /* if it's a trust account, don't update /etc/passwd */
        if (    ( (acct_ctrl &  ACB_DOMTRUST) == ACB_DOMTRUST ) ||
                ( (acct_ctrl &  ACB_WSTRUST) ==  ACB_WSTRUST) ||
                ( (acct_ctrl &  ACB_SVRTRUST) ==  ACB_SVRTRUST) ) {
                DEBUG(5, ("Changing trust account.  Not updating /etc/passwd\n"));
-       } else  {
+       } else if (plaintext_buf) {
                /* update the UNIX password */
                if (lp_unix_password_sync() ) {
                        struct passwd *passwd;
                        if (pdb_get_username(pwd) == NULL) {
                                DEBUG(1, ("chgpasswd: User without name???\n"));
-                               TALLOC_FREE(pwd);
                                return NT_STATUS_ACCESS_DENIED;
                        }
 
@@ -4036,29 +4359,26 @@ static NTSTATUS set_user_info_23(TALLOC_CTX *mem_ctx,
                        }
 
                        if(!chgpasswd(pdb_get_username(pwd), passwd, "", plaintext_buf, True)) {
-                               TALLOC_FREE(pwd);
                                return NT_STATUS_ACCESS_DENIED;
                        }
                        TALLOC_FREE(passwd);
                }
        }
 
-       memset(plaintext_buf, '\0', strlen(plaintext_buf));
+       if (plaintext_buf) {
+               memset(plaintext_buf, '\0', strlen(plaintext_buf));
+       }
 
        if (IS_SAM_CHANGED(pwd, PDB_GROUPSID) &&
            (!NT_STATUS_IS_OK(status =  pdb_set_unix_primary_group(mem_ctx,
                                                                   pwd)))) {
-               TALLOC_FREE(pwd);
                return status;
        }
 
        if(!NT_STATUS_IS_OK(status = pdb_update_sam_account(pwd))) {
-               TALLOC_FREE(pwd);
                return status;
        }
 
-       TALLOC_FREE(pwd);
-
        return NT_STATUS_OK;
 }
 
@@ -4066,35 +4386,26 @@ static NTSTATUS set_user_info_23(TALLOC_CTX *mem_ctx,
  set_user_info_pw
  ********************************************************************/
 
-static bool set_user_info_pw(uint8 *pass, struct samu *pwd,
-                            int level)
+static bool set_user_info_pw(uint8 *pass, struct samu *pwd)
 {
-       uint32 len = 0;
+       size_t len = 0;
        char *plaintext_buf = NULL;
        uint32 acct_ctrl;
-       time_t last_set_time;
-       enum pdb_value_state last_set_state;
 
        DEBUG(5, ("Attempting administrator password change for user %s\n",
                  pdb_get_username(pwd)));
 
        acct_ctrl = pdb_get_acct_ctrl(pwd);
-       /* we need to know if it's expired, because this is an admin change, not a
-          user change, so it's still expired when we're done */
-       last_set_state = pdb_get_init_flags(pwd, PDB_PASSLASTSET);
-       last_set_time = pdb_get_pass_last_set_time(pwd);
 
        if (!decode_pw_buffer(talloc_tos(),
                                pass,
                                &plaintext_buf,
                                &len,
-                               STR_UNICODE)) {
-               TALLOC_FREE(pwd);
+                               CH_UTF16)) {
                return False;
        }
 
        if (!pdb_set_plaintext_passwd (pwd, plaintext_buf)) {
-               TALLOC_FREE(pwd);
                return False;
        }
 
@@ -4110,7 +4421,6 @@ static bool set_user_info_pw(uint8 *pass, struct samu *pwd,
 
                        if (pdb_get_username(pwd) == NULL) {
                                DEBUG(1, ("chgpasswd: User without name???\n"));
-                               TALLOC_FREE(pwd);
                                return False;
                        }
 
@@ -4120,7 +4430,6 @@ static bool set_user_info_pw(uint8 *pass, struct samu *pwd,
                        }
 
                        if(!chgpasswd(pdb_get_username(pwd), passwd, "", plaintext_buf, True)) {
-                               TALLOC_FREE(pwd);
                                return False;
                        }
                        TALLOC_FREE(passwd);
@@ -4129,32 +4438,38 @@ static bool set_user_info_pw(uint8 *pass, struct samu *pwd,
 
        memset(plaintext_buf, '\0', strlen(plaintext_buf));
 
-       /*
-        * A level 25 change does reset the pwdlastset field, a level 24
-        * change does not. I know this is probably not the full story, but
-        * it is needed to make XP join LDAP correctly, without it the later
-        * auth2 check can fail with PWD_MUST_CHANGE.
-        */
-       if (level != 25) {
-               /*
-                * restore last set time as this is an admin change, not a
-                * user pw change
-                */
-               pdb_set_pass_last_set_time (pwd, last_set_time,
-                                           last_set_state);
+       DEBUG(5,("set_user_info_pw: pdb_update_pwd()\n"));
+
+       return True;
+}
+
+/*******************************************************************
+ set_user_info_24
+ ********************************************************************/
+
+static NTSTATUS set_user_info_24(TALLOC_CTX *mem_ctx,
+                                struct samr_UserInfo24 *id24,
+                                struct samu *pwd)
+{
+       NTSTATUS status;
+
+       if (id24 == NULL) {
+               DEBUG(5, ("set_user_info_24: NULL id24\n"));
+               return NT_STATUS_INVALID_PARAMETER;
        }
 
-       DEBUG(5,("set_user_info_pw: pdb_update_pwd()\n"));
+       if (!set_user_info_pw(id24->password.data, pwd)) {
+               return NT_STATUS_WRONG_PASSWORD;
+       }
 
-       /* update the SAMBA password */
-       if(!NT_STATUS_IS_OK(pdb_update_sam_account(pwd))) {
-               TALLOC_FREE(pwd);
-               return False;
-       }
+       copy_id24_to_sam_passwd(pwd, id24);
 
-       TALLOC_FREE(pwd);
+       status = pdb_update_sam_account(pwd);
+       if (!NT_STATUS_IS_OK(status)) {
+               return status;
+       }
 
-       return True;
+       return NT_STATUS_OK;
 }
 
 /*******************************************************************
@@ -4172,11 +4487,26 @@ static NTSTATUS set_user_info_25(TALLOC_CTX *mem_ctx,
                return NT_STATUS_INVALID_PARAMETER;
        }
 
+       if (id25->info.fields_present == 0) {
+               return NT_STATUS_INVALID_PARAMETER;
+       }
+
+       if (id25->info.fields_present & SAMR_FIELD_LAST_PWD_CHANGE) {
+               return NT_STATUS_ACCESS_DENIED;
+       }
+
+       if ((id25->info.fields_present & SAMR_FIELD_NT_PASSWORD_PRESENT) ||
+           (id25->info.fields_present & SAMR_FIELD_LM_PASSWORD_PRESENT)) {
+
+               if (!set_user_info_pw(id25->password.data, pwd)) {
+                       return NT_STATUS_WRONG_PASSWORD;
+               }
+       }
+
        copy_id25_to_sam_passwd(pwd, id25);
 
        /* write the change out */
        if(!NT_STATUS_IS_OK(status = pdb_update_sam_account(pwd))) {
-               TALLOC_FREE(pwd);
                return status;
        }
 
@@ -4195,12 +4525,39 @@ static NTSTATUS set_user_info_25(TALLOC_CTX *mem_ctx,
                }
        }
 
-       /* WARNING: No TALLOC_FREE(pwd), we are about to set the password
-        * hereafter! */
+       return NT_STATUS_OK;
+}
+
+/*******************************************************************
+ set_user_info_26
+ ********************************************************************/
+
+static NTSTATUS set_user_info_26(TALLOC_CTX *mem_ctx,
+                                struct samr_UserInfo26 *id26,
+                                struct samu *pwd)
+{
+       NTSTATUS status;
+
+       if (id26 == NULL) {
+               DEBUG(5, ("set_user_info_26: NULL id26\n"));
+               return NT_STATUS_INVALID_PARAMETER;
+       }
+
+       if (!set_user_info_pw(id26->password.data, pwd)) {
+               return NT_STATUS_WRONG_PASSWORD;
+       }
+
+       copy_id26_to_sam_passwd(pwd, id26);
+
+       status = pdb_update_sam_account(pwd);
+       if (!NT_STATUS_IS_OK(status)) {
+               return status;
+       }
 
        return NT_STATUS_OK;
 }
 
+
 /*******************************************************************
  samr_SetUserInfo
  ********************************************************************/
@@ -4208,26 +4565,18 @@ static NTSTATUS set_user_info_25(TALLOC_CTX *mem_ctx,
 NTSTATUS _samr_SetUserInfo(pipes_struct *p,
                           struct samr_SetUserInfo *r)
 {
+       struct samr_user_info *uinfo;
        NTSTATUS status;
        struct samu *pwd = NULL;
-       DOM_SID sid;
-       POLICY_HND *pol = r->in.user_handle;
        union samr_UserInfo *info = r->in.info;
        uint16_t switch_value = r->in.level;
-       uint32_t acc_granted;
        uint32_t acc_required;
        bool ret;
        bool has_enough_rights = False;
        uint32_t acb_info;
-       DISP_INFO *disp_info = NULL;
 
        DEBUG(5,("_samr_SetUserInfo: %d\n", __LINE__));
 
-       /* find the policy handle.  open a policy on it. */
-       if (!get_lsa_policy_samr_sid(p, pol, &sid, &acc_granted, &disp_info)) {
-               return NT_STATUS_INVALID_HANDLE;
-       }
-
        /* This is tricky.  A WinXP domain join sets
          (SAMR_USER_ACCESS_SET_PASSWORD|SAMR_USER_ACCESS_SET_ATTRIBUTES|SAMR_USER_ACCESS_GET_ATTRIBUTES)
          The MMC lusrmgr plugin includes these perms and more in the SamrOpenUser().  But the
@@ -4249,15 +4598,14 @@ NTSTATUS _samr_SetUserInfo(pipes_struct *p,
                break;
        }
 
-       status = access_check_samr_function(acc_granted,
-                                           acc_required,
-                                           "_samr_SetUserInfo");
+       uinfo = policy_handle_find(p, r->in.user_handle, acc_required, NULL,
+                                  struct samr_user_info, &status);
        if (!NT_STATUS_IS_OK(status)) {
                return status;
        }
 
        DEBUG(5, ("_samr_SetUserInfo: sid:%s, level:%d\n",
-                 sid_string_dbg(&sid), switch_value));
+                 sid_string_dbg(&uinfo->sid), switch_value));
 
        if (info == NULL) {
                DEBUG(5, ("_samr_SetUserInfo: NULL info level\n"));
@@ -4269,7 +4617,7 @@ NTSTATUS _samr_SetUserInfo(pipes_struct *p,
        }
 
        become_root();
-       ret = pdb_getsampwsid(pwd, &sid);
+       ret = pdb_getsampwsid(pwd, &uinfo->sid);
        unbecome_root();
 
        if (!ret) {
@@ -4308,41 +4656,92 @@ NTSTATUS _samr_SetUserInfo(pipes_struct *p,
 
        switch (switch_value) {
 
+               case 2:
+                       status = set_user_info_2(p->mem_ctx,
+                                                &info->info2, pwd);
+                       break;
+
+               case 4:
+                       status = set_user_info_4(p->mem_ctx,
+                                                &info->info4, pwd);
+                       break;
+
+               case 6:
+                       status = set_user_info_6(p->mem_ctx,
+                                                &info->info6, pwd);
+                       break;
+
                case 7:
                        status = set_user_info_7(p->mem_ctx,
                                                 &info->info7, pwd);
                        break;
 
+               case 8:
+                       status = set_user_info_8(p->mem_ctx,
+                                                &info->info8, pwd);
+                       break;
+
+               case 10:
+                       status = set_user_info_10(p->mem_ctx,
+                                                 &info->info10, pwd);
+                       break;
+
+               case 11:
+                       status = set_user_info_11(p->mem_ctx,
+                                                 &info->info11, pwd);
+                       break;
+
+               case 12:
+                       status = set_user_info_12(p->mem_ctx,
+                                                 &info->info12, pwd);
+                       break;
+
+               case 13:
+                       status = set_user_info_13(p->mem_ctx,
+                                                 &info->info13, pwd);
+                       break;
+
+               case 14:
+                       status = set_user_info_14(p->mem_ctx,
+                                                 &info->info14, pwd);
+                       break;
+
                case 16:
-                       if (!set_user_info_16(&info->info16, pwd)) {
-                               status = NT_STATUS_ACCESS_DENIED;
-                       }
+                       status = set_user_info_16(p->mem_ctx,
+                                                 &info->info16, pwd);
+                       break;
+
+               case 17:
+                       status = set_user_info_17(p->mem_ctx,
+                                                 &info->info17, pwd);
                        break;
 
                case 18:
                        /* Used by AS/U JRA. */
-                       if (!set_user_info_18(&info->info18, pwd)) {
-                               status = NT_STATUS_ACCESS_DENIED;
-                       }
+                       status = set_user_info_18(&info->info18,
+                                                 p->mem_ctx,
+                                                 &p->server_info->user_session_key,
+                                                 pwd);
                        break;
 
                case 20:
-                       if (!set_user_info_20(&info->info20, pwd)) {
-                               status = NT_STATUS_ACCESS_DENIED;
-                       }
+                       status = set_user_info_20(p->mem_ctx,
+                                                 &info->info20, pwd);
                        break;
 
                case 21:
-                       status = set_user_info_21(p->mem_ctx,
-                                                 &info->info21, pwd);
+                       status = set_user_info_21(&info->info21,
+                                                 p->mem_ctx,
+                                                 &p->server_info->user_session_key,
+                                                 pwd);
                        break;
 
                case 23:
                        if (!p->server_info->user_session_key.length) {
                                status = NT_STATUS_NO_USER_SESSION_KEY;
                        }
-                       SamOEMhashBlob(info->info23.password.data, 516,
-                                      &p->server_info->user_session_key);
+                       arcfour_crypt_blob(info->info23.password.data, 516,
+                                          &p->server_info->user_session_key);
 
                        dump_data(100, info->info23.password.data, 516);
 
@@ -4354,16 +4753,14 @@ NTSTATUS _samr_SetUserInfo(pipes_struct *p,
                        if (!p->server_info->user_session_key.length) {
                                status = NT_STATUS_NO_USER_SESSION_KEY;
                        }
-                       SamOEMhashBlob(info->info24.password.data,
-                                      516,
-                                      &p->server_info->user_session_key);
+                       arcfour_crypt_blob(info->info24.password.data,
+                                          516,
+                                          &p->server_info->user_session_key);
 
                        dump_data(100, info->info24.password.data, 516);
 
-                       if (!set_user_info_pw(info->info24.password.data, pwd,
-                                             switch_value)) {
-                               status = NT_STATUS_ACCESS_DENIED;
-                       }
+                       status = set_user_info_24(p->mem_ctx,
+                                                 &info->info24, pwd);
                        break;
 
                case 25:
@@ -4378,13 +4775,6 @@ NTSTATUS _samr_SetUserInfo(pipes_struct *p,
 
                        status = set_user_info_25(p->mem_ctx,
                                                  &info->info25, pwd);
-                       if (!NT_STATUS_IS_OK(status)) {
-                               goto done;
-                       }
-                       if (!set_user_info_pw(info->info25.password.data, pwd,
-                                             switch_value)) {
-                               status = NT_STATUS_ACCESS_DENIED;
-                       }
                        break;
 
                case 26:
@@ -4397,17 +4787,15 @@ NTSTATUS _samr_SetUserInfo(pipes_struct *p,
 
                        dump_data(100, info->info26.password.data, 516);
 
-                       if (!set_user_info_pw(info->info26.password.data, pwd,
-                                             switch_value)) {
-                               status = NT_STATUS_ACCESS_DENIED;
-                       }
+                       status = set_user_info_26(p->mem_ctx,
+                                                 &info->info26, pwd);
                        break;
 
                default:
                        status = NT_STATUS_INVALID_INFO_CLASS;
        }
 
- done:
+       TALLOC_FREE(pwd);
 
        if (has_enough_rights) {
                unbecome_root();
@@ -4416,7 +4804,7 @@ NTSTATUS _samr_SetUserInfo(pipes_struct *p,
        /* ================ END SeMachineAccountPrivilege BLOCK ================ */
 
        if (NT_STATUS_IS_OK(status)) {
-               force_flush_samr_cache(disp_info);
+               force_flush_samr_cache(&uinfo->sid);
        }
 
        return status;
@@ -4447,36 +4835,25 @@ NTSTATUS _samr_GetAliasMembership(pipes_struct *p,
 {
        size_t num_alias_rids;
        uint32 *alias_rids;
-       struct samr_info *info = NULL;
+       struct samr_domain_info *dinfo;
        size_t i;
 
-       NTSTATUS ntstatus1;
-       NTSTATUS ntstatus2;
+       NTSTATUS status;
 
        DOM_SID *members;
 
        DEBUG(5,("_samr_GetAliasMembership: %d\n", __LINE__));
 
-       /* find the policy handle.  open a policy on it. */
-       if (!find_policy_by_hnd(p, r->in.domain_handle, (void **)(void *)&info))
-               return NT_STATUS_INVALID_HANDLE;
-
-       ntstatus1 = access_check_samr_function(info->acc_granted,
-                                              SAMR_DOMAIN_ACCESS_LOOKUP_ALIAS,
-                                              "_samr_GetAliasMembership");
-       ntstatus2 = access_check_samr_function(info->acc_granted,
-                                              SAMR_DOMAIN_ACCESS_OPEN_ACCOUNT,
-                                              "_samr_GetAliasMembership");
-
-       if (!NT_STATUS_IS_OK(ntstatus1) || !NT_STATUS_IS_OK(ntstatus2)) {
-               if (!(NT_STATUS_EQUAL(ntstatus1,NT_STATUS_ACCESS_DENIED) && NT_STATUS_IS_OK(ntstatus2)) &&
-                   !(NT_STATUS_EQUAL(ntstatus1,NT_STATUS_ACCESS_DENIED) && NT_STATUS_IS_OK(ntstatus1))) {
-                       return (NT_STATUS_IS_OK(ntstatus1)) ? ntstatus2 : ntstatus1;
-               }
+       dinfo = policy_handle_find(p, r->in.domain_handle,
+                                  SAMR_DOMAIN_ACCESS_LOOKUP_ALIAS
+                                  | SAMR_DOMAIN_ACCESS_OPEN_ACCOUNT, NULL,
+                                  struct samr_domain_info, &status);
+       if (!NT_STATUS_IS_OK(status)) {
+               return status;
        }
 
-       if (!sid_check_is_domain(&info->sid) &&
-           !sid_check_is_builtin(&info->sid))
+       if (!sid_check_is_domain(&dinfo->sid) &&
+           !sid_check_is_builtin(&dinfo->sid))
                return NT_STATUS_OBJECT_TYPE_MISMATCH;
 
        if (r->in.sids->num_sids) {
@@ -4495,13 +4872,13 @@ NTSTATUS _samr_GetAliasMembership(pipes_struct *p,
        num_alias_rids = 0;
 
        become_root();
-       ntstatus1 = pdb_enum_alias_memberships(p->mem_ctx, &info->sid, members,
-                                              r->in.sids->num_sids,
-                                              &alias_rids, &num_alias_rids);
+       status = pdb_enum_alias_memberships(p->mem_ctx, &dinfo->sid, members,
+                                           r->in.sids->num_sids,
+                                           &alias_rids, &num_alias_rids);
        unbecome_root();
 
-       if (!NT_STATUS_IS_OK(ntstatus1)) {
-               return ntstatus1;
+       if (!NT_STATUS_IS_OK(status)) {
+               return status;
        }
 
        r->out.rids->count = num_alias_rids;
@@ -4517,31 +4894,24 @@ NTSTATUS _samr_GetAliasMembership(pipes_struct *p,
 NTSTATUS _samr_GetMembersInAlias(pipes_struct *p,
                                 struct samr_GetMembersInAlias *r)
 {
+       struct samr_alias_info *ainfo;
        NTSTATUS status;
        size_t i;
        size_t num_sids = 0;
        struct lsa_SidPtr *sids = NULL;
        DOM_SID *pdb_sids = NULL;
 
-       DOM_SID alias_sid;
-
-       uint32 acc_granted;
-
-       /* find the policy handle.  open a policy on it. */
-       if (!get_lsa_policy_samr_sid(p, r->in.alias_handle, &alias_sid, &acc_granted, NULL))
-               return NT_STATUS_INVALID_HANDLE;
-
-       status = access_check_samr_function(acc_granted,
-                                           SAMR_ALIAS_ACCESS_GET_MEMBERS,
-                                           "_samr_GetMembersInAlias");
+       ainfo = policy_handle_find(p, r->in.alias_handle,
+                                  SAMR_ALIAS_ACCESS_GET_MEMBERS, NULL,
+                                  struct samr_alias_info, &status);
        if (!NT_STATUS_IS_OK(status)) {
                return status;
        }
 
-       DEBUG(10, ("sid is %s\n", sid_string_dbg(&alias_sid)));
+       DEBUG(10, ("sid is %s\n", sid_string_dbg(&ainfo->sid)));
 
        become_root();
-       status = pdb_enum_aliasmem(&alias_sid, &pdb_sids, &num_sids);
+       status = pdb_enum_aliasmem(&ainfo->sid, &pdb_sids, &num_sids);
        unbecome_root();
 
        if (!NT_STATUS_IS_OK(status)) {
@@ -4579,45 +4949,39 @@ NTSTATUS _samr_GetMembersInAlias(pipes_struct *p,
 NTSTATUS _samr_QueryGroupMember(pipes_struct *p,
                                struct samr_QueryGroupMember *r)
 {
-       DOM_SID group_sid;
+       struct samr_group_info *ginfo;
        size_t i, num_members;
 
        uint32 *rid=NULL;
        uint32 *attr=NULL;
 
-       uint32 acc_granted;
-
        NTSTATUS status;
        struct samr_RidTypeArray *rids = NULL;
 
+       ginfo = policy_handle_find(p, r->in.group_handle,
+                                  SAMR_GROUP_ACCESS_GET_MEMBERS, NULL,
+                                  struct samr_group_info, &status);
+       if (!NT_STATUS_IS_OK(status)) {
+               return status;
+       }
+
        rids = TALLOC_ZERO_P(p->mem_ctx, struct samr_RidTypeArray);
        if (!rids) {
                return NT_STATUS_NO_MEMORY;
        }
 
-       /* find the policy handle.  open a policy on it. */
-       if (!get_lsa_policy_samr_sid(p, r->in.group_handle, &group_sid, &acc_granted, NULL))
-               return NT_STATUS_INVALID_HANDLE;
-
-       status = access_check_samr_function(acc_granted,
-                                           SAMR_GROUP_ACCESS_GET_MEMBERS,
-                                           "_samr_QueryGroupMember");
-       if (!NT_STATUS_IS_OK(status)) {
-               return status;
-       }
-
-       DEBUG(10, ("sid is %s\n", sid_string_dbg(&group_sid)));
+       DEBUG(10, ("sid is %s\n", sid_string_dbg(&ginfo->sid)));
 
-       if (!sid_check_is_in_our_domain(&group_sid)) {
+       if (!sid_check_is_in_our_domain(&ginfo->sid)) {
                DEBUG(3, ("sid %s is not in our domain\n",
-                         sid_string_dbg(&group_sid)));
+                         sid_string_dbg(&ginfo->sid)));
                return NT_STATUS_NO_SUCH_GROUP;
        }
 
        DEBUG(10, ("lookup on Domain SID\n"));
 
        become_root();
-       status = pdb_enum_group_members(p->mem_ctx, &group_sid,
+       status = pdb_enum_group_members(p->mem_ctx, &ginfo->sid,
                                        &rid, &num_members);
        unbecome_root();
 
@@ -4652,25 +5016,19 @@ NTSTATUS _samr_QueryGroupMember(pipes_struct *p,
 NTSTATUS _samr_AddAliasMember(pipes_struct *p,
                              struct samr_AddAliasMember *r)
 {
-       DOM_SID alias_sid;
-       uint32 acc_granted;
+       struct samr_alias_info *ainfo;
        SE_PRIV se_rights;
        bool can_add_accounts;
        NTSTATUS status;
-       DISP_INFO *disp_info = NULL;
-
-       /* Find the policy handle. Open a policy on it. */
-       if (!get_lsa_policy_samr_sid(p, r->in.alias_handle, &alias_sid, &acc_granted, &disp_info))
-               return NT_STATUS_INVALID_HANDLE;
 
-       status = access_check_samr_function(acc_granted,
-                                           SAMR_ALIAS_ACCESS_ADD_MEMBER,
-                                           "_samr_AddAliasMember");
+       ainfo = policy_handle_find(p, r->in.alias_handle,
+                                  SAMR_ALIAS_ACCESS_ADD_MEMBER, NULL,
+                                  struct samr_alias_info, &status);
        if (!NT_STATUS_IS_OK(status)) {
                return status;
        }
 
-       DEBUG(10, ("sid is %s\n", sid_string_dbg(&alias_sid)));
+       DEBUG(10, ("sid is %s\n", sid_string_dbg(&ainfo->sid)));
 
        se_priv_copy( &se_rights, &se_add_users );
        can_add_accounts = user_has_privileges( p->server_info->ptok, &se_rights );
@@ -4680,7 +5038,7 @@ NTSTATUS _samr_AddAliasMember(pipes_struct *p,
        if ( can_add_accounts )
                become_root();
 
-       status = pdb_add_aliasmem(&alias_sid, r->in.sid);
+       status = pdb_add_aliasmem(&ainfo->sid, r->in.sid);
 
        if ( can_add_accounts )
                unbecome_root();
@@ -4688,7 +5046,7 @@ NTSTATUS _samr_AddAliasMember(pipes_struct *p,
        /******** END SeAddUsers BLOCK *********/
 
        if (NT_STATUS_IS_OK(status)) {
-               force_flush_samr_cache(disp_info);
+               force_flush_samr_cache(&ainfo->sid);
        }
 
        return status;
@@ -4701,26 +5059,20 @@ NTSTATUS _samr_AddAliasMember(pipes_struct *p,
 NTSTATUS _samr_DeleteAliasMember(pipes_struct *p,
                                 struct samr_DeleteAliasMember *r)
 {
-       DOM_SID alias_sid;
-       uint32 acc_granted;
+       struct samr_alias_info *ainfo;
        SE_PRIV se_rights;
        bool can_add_accounts;
        NTSTATUS status;
-       DISP_INFO *disp_info = NULL;
-
-       /* Find the policy handle. Open a policy on it. */
-       if (!get_lsa_policy_samr_sid(p, r->in.alias_handle, &alias_sid, &acc_granted, &disp_info))
-               return NT_STATUS_INVALID_HANDLE;
 
-       status = access_check_samr_function(acc_granted,
-                                           SAMR_ALIAS_ACCESS_REMOVE_MEMBER,
-                                           "_samr_DeleteAliasMember");
+       ainfo = policy_handle_find(p, r->in.alias_handle,
+                                  SAMR_ALIAS_ACCESS_REMOVE_MEMBER, NULL,
+                                  struct samr_alias_info, &status);
        if (!NT_STATUS_IS_OK(status)) {
                return status;
        }
 
        DEBUG(10, ("_samr_del_aliasmem:sid is %s\n",
-                  sid_string_dbg(&alias_sid)));
+                  sid_string_dbg(&ainfo->sid)));
 
        se_priv_copy( &se_rights, &se_add_users );
        can_add_accounts = user_has_privileges( p->server_info->ptok, &se_rights );
@@ -4730,7 +5082,7 @@ NTSTATUS _samr_DeleteAliasMember(pipes_struct *p,
        if ( can_add_accounts )
                become_root();
 
-       status = pdb_del_aliasmem(&alias_sid, r->in.sid);
+       status = pdb_del_aliasmem(&ainfo->sid, r->in.sid);
 
        if ( can_add_accounts )
                unbecome_root();
@@ -4738,7 +5090,7 @@ NTSTATUS _samr_DeleteAliasMember(pipes_struct *p,
        /******** END SeAddUsers BLOCK *********/
 
        if (NT_STATUS_IS_OK(status)) {
-               force_flush_samr_cache(disp_info);
+               force_flush_samr_cache(&ainfo->sid);
        }
 
        return status;
@@ -4751,28 +5103,22 @@ NTSTATUS _samr_DeleteAliasMember(pipes_struct *p,
 NTSTATUS _samr_AddGroupMember(pipes_struct *p,
                              struct samr_AddGroupMember *r)
 {
+       struct samr_group_info *ginfo;
        NTSTATUS status;
-       DOM_SID group_sid;
        uint32 group_rid;
-       uint32 acc_granted;
        SE_PRIV se_rights;
        bool can_add_accounts;
-       DISP_INFO *disp_info = NULL;
-
-       /* Find the policy handle. Open a policy on it. */
-       if (!get_lsa_policy_samr_sid(p, r->in.group_handle, &group_sid, &acc_granted, &disp_info))
-               return NT_STATUS_INVALID_HANDLE;
 
-       status = access_check_samr_function(acc_granted,
-                                           SAMR_GROUP_ACCESS_ADD_MEMBER,
-                                           "_samr_AddGroupMember");
+       ginfo = policy_handle_find(p, r->in.group_handle,
+                                  SAMR_GROUP_ACCESS_ADD_MEMBER, NULL,
+                                  struct samr_group_info, &status);
        if (!NT_STATUS_IS_OK(status)) {
                return status;
        }
 
-       DEBUG(10, ("sid is %s\n", sid_string_dbg(&group_sid)));
+       DEBUG(10, ("sid is %s\n", sid_string_dbg(&ginfo->sid)));
 
-       if (!sid_peek_check_rid(get_global_sam_sid(), &group_sid,
+       if (!sid_peek_check_rid(get_global_sam_sid(), &ginfo->sid,
                                &group_rid)) {
                return NT_STATUS_INVALID_HANDLE;
        }
@@ -4792,7 +5138,7 @@ NTSTATUS _samr_AddGroupMember(pipes_struct *p,
 
        /******** END SeAddUsers BLOCK *********/
 
-       force_flush_samr_cache(disp_info);
+       force_flush_samr_cache(&ginfo->sid);
 
        return status;
 }
@@ -4805,13 +5151,11 @@ NTSTATUS _samr_DeleteGroupMember(pipes_struct *p,
                                 struct samr_DeleteGroupMember *r)
 
 {
+       struct samr_group_info *ginfo;
        NTSTATUS status;
-       DOM_SID group_sid;
        uint32 group_rid;
-       uint32 acc_granted;
        SE_PRIV se_rights;
        bool can_add_accounts;
-       DISP_INFO *disp_info = NULL;
 
        /*
         * delete the group member named r->in.rid
@@ -4819,18 +5163,14 @@ NTSTATUS _samr_DeleteGroupMember(pipes_struct *p,
         * the rid is a user's rid as the group is a domain group.
         */
 
-       /* Find the policy handle. Open a policy on it. */
-       if (!get_lsa_policy_samr_sid(p, r->in.group_handle, &group_sid, &acc_granted, &disp_info))
-               return NT_STATUS_INVALID_HANDLE;
-
-       status = access_check_samr_function(acc_granted,
-                                           SAMR_GROUP_ACCESS_REMOVE_MEMBER,
-                                           "_samr_DeleteGroupMember");
+       ginfo = policy_handle_find(p, r->in.group_handle,
+                                  SAMR_GROUP_ACCESS_REMOVE_MEMBER, NULL,
+                                  struct samr_group_info, &status);
        if (!NT_STATUS_IS_OK(status)) {
                return status;
        }
 
-       if (!sid_peek_check_rid(get_global_sam_sid(), &group_sid,
+       if (!sid_peek_check_rid(get_global_sam_sid(), &ginfo->sid,
                                &group_rid)) {
                return NT_STATUS_INVALID_HANDLE;
        }
@@ -4850,7 +5190,7 @@ NTSTATUS _samr_DeleteGroupMember(pipes_struct *p,
 
        /******** END SeAddUsers BLOCK *********/
 
-       force_flush_samr_cache(disp_info);
+       force_flush_samr_cache(&ginfo->sid);
 
        return status;
 }
@@ -4862,29 +5202,23 @@ NTSTATUS _samr_DeleteGroupMember(pipes_struct *p,
 NTSTATUS _samr_DeleteUser(pipes_struct *p,
                          struct samr_DeleteUser *r)
 {
+       struct samr_user_info *uinfo;
        NTSTATUS status;
-       DOM_SID user_sid;
        struct samu *sam_pass=NULL;
-       uint32 acc_granted;
        bool can_add_accounts;
        uint32 acb_info;
-       DISP_INFO *disp_info = NULL;
        bool ret;
 
        DEBUG(5, ("_samr_DeleteUser: %d\n", __LINE__));
 
-       /* Find the policy handle. Open a policy on it. */
-       if (!get_lsa_policy_samr_sid(p, r->in.user_handle, &user_sid, &acc_granted, &disp_info))
-               return NT_STATUS_INVALID_HANDLE;
-
-       status = access_check_samr_function(acc_granted,
-                                           STD_RIGHT_DELETE_ACCESS,
-                                           "_samr_DeleteUser");
+       uinfo = policy_handle_find(p, r->in.user_handle,
+                                  STD_RIGHT_DELETE_ACCESS, NULL,
+                                  struct samr_user_info, &status);
        if (!NT_STATUS_IS_OK(status)) {
                return status;
        }
 
-       if (!sid_check_is_in_our_domain(&user_sid))
+       if (!sid_check_is_in_our_domain(&uinfo->sid))
                return NT_STATUS_CANNOT_DELETE;
 
        /* check if the user exists before trying to delete */
@@ -4893,12 +5227,12 @@ NTSTATUS _samr_DeleteUser(pipes_struct *p,
        }
 
        become_root();
-       ret = pdb_getsampwsid(sam_pass, &user_sid);
+       ret = pdb_getsampwsid(sam_pass, &uinfo->sid);
        unbecome_root();
 
        if( !ret ) {
                DEBUG(5,("_samr_DeleteUser: User %s doesn't exist.\n",
-                       sid_string_dbg(&user_sid)));
+                       sid_string_dbg(&uinfo->sid)));
                TALLOC_FREE(sam_pass);
                return NT_STATUS_NO_SUCH_USER;
        }
@@ -4940,7 +5274,7 @@ NTSTATUS _samr_DeleteUser(pipes_struct *p,
 
        ZERO_STRUCTP(r->out.user_handle);
 
-       force_flush_samr_cache(disp_info);
+       force_flush_samr_cache(&uinfo->sid);
 
        return NT_STATUS_OK;
 }
@@ -4952,30 +5286,24 @@ NTSTATUS _samr_DeleteUser(pipes_struct *p,
 NTSTATUS _samr_DeleteDomainGroup(pipes_struct *p,
                                 struct samr_DeleteDomainGroup *r)
 {
+       struct samr_group_info *ginfo;
        NTSTATUS status;
-       DOM_SID group_sid;
        uint32 group_rid;
-       uint32 acc_granted;
        SE_PRIV se_rights;
        bool can_add_accounts;
-       DISP_INFO *disp_info = NULL;
 
        DEBUG(5, ("samr_DeleteDomainGroup: %d\n", __LINE__));
 
-       /* Find the policy handle. Open a policy on it. */
-       if (!get_lsa_policy_samr_sid(p, r->in.group_handle, &group_sid, &acc_granted, &disp_info))
-               return NT_STATUS_INVALID_HANDLE;
-
-       status = access_check_samr_function(acc_granted,
-                                           STD_RIGHT_DELETE_ACCESS,
-                                           "_samr_DeleteDomainGroup");
+       ginfo = policy_handle_find(p, r->in.group_handle,
+                                  STD_RIGHT_DELETE_ACCESS, NULL,
+                                  struct samr_group_info, &status);
        if (!NT_STATUS_IS_OK(status)) {
                return status;
        }
 
-       DEBUG(10, ("sid is %s\n", sid_string_dbg(&group_sid)));
+       DEBUG(10, ("sid is %s\n", sid_string_dbg(&ginfo->sid)));
 
-       if (!sid_peek_check_rid(get_global_sam_sid(), &group_sid,
+       if (!sid_peek_check_rid(get_global_sam_sid(), &ginfo->sid,
                                &group_rid)) {
                return NT_STATUS_NO_SUCH_GROUP;
        }
@@ -4998,7 +5326,7 @@ NTSTATUS _samr_DeleteDomainGroup(pipes_struct *p,
        if ( !NT_STATUS_IS_OK(status) ) {
                DEBUG(5,("_samr_DeleteDomainGroup: Failed to delete mapping "
                         "entry for group %s: %s\n",
-                        sid_string_dbg(&group_sid),
+                        sid_string_dbg(&ginfo->sid),
                         nt_errstr(status)));
                return status;
        }
@@ -5006,7 +5334,7 @@ NTSTATUS _samr_DeleteDomainGroup(pipes_struct *p,
        if (!close_policy_hnd(p, r->in.group_handle))
                return NT_STATUS_OBJECT_NAME_INVALID;
 
-       force_flush_samr_cache(disp_info);
+       force_flush_samr_cache(&ginfo->sid);
 
        return NT_STATUS_OK;
 }
@@ -5018,39 +5346,29 @@ NTSTATUS _samr_DeleteDomainGroup(pipes_struct *p,
 NTSTATUS _samr_DeleteDomAlias(pipes_struct *p,
                              struct samr_DeleteDomAlias *r)
 {
-       DOM_SID alias_sid;
-       uint32 acc_granted;
+       struct samr_alias_info *ainfo;
        SE_PRIV se_rights;
        bool can_add_accounts;
        NTSTATUS status;
-       DISP_INFO *disp_info = NULL;
 
        DEBUG(5, ("_samr_DeleteDomAlias: %d\n", __LINE__));
 
-       /* Find the policy handle. Open a policy on it. */
-       if (!get_lsa_policy_samr_sid(p, r->in.alias_handle, &alias_sid, &acc_granted, &disp_info))
-               return NT_STATUS_INVALID_HANDLE;
-
-       /* copy the handle to the outgoing reply */
-
-       memcpy(r->out.alias_handle, r->in.alias_handle, sizeof(r->out.alias_handle));
-
-       status = access_check_samr_function(acc_granted,
-                                           STD_RIGHT_DELETE_ACCESS,
-                                           "_samr_DeleteDomAlias");
+       ainfo = policy_handle_find(p, r->in.alias_handle,
+                                  STD_RIGHT_DELETE_ACCESS, NULL,
+                                  struct samr_alias_info, &status);
        if (!NT_STATUS_IS_OK(status)) {
                return status;
        }
 
-       DEBUG(10, ("sid is %s\n", sid_string_dbg(&alias_sid)));
+       DEBUG(10, ("sid is %s\n", sid_string_dbg(&ainfo->sid)));
 
        /* Don't let Windows delete builtin groups */
 
-       if ( sid_check_is_in_builtin( &alias_sid ) ) {
+       if ( sid_check_is_in_builtin( &ainfo->sid ) ) {
                return NT_STATUS_SPECIAL_ACCOUNT;
        }
 
-       if (!sid_check_is_in_our_domain(&alias_sid))
+       if (!sid_check_is_in_our_domain(&ainfo->sid))
                return NT_STATUS_NO_SUCH_ALIAS;
 
        DEBUG(10, ("lookup on Local SID\n"));
@@ -5064,7 +5382,7 @@ NTSTATUS _samr_DeleteDomAlias(pipes_struct *p,
                become_root();
 
        /* Have passdb delete the alias */
-       status = pdb_delete_alias(&alias_sid);
+       status = pdb_delete_alias(&ainfo->sid);
 
        if ( can_add_accounts )
                unbecome_root();
@@ -5077,7 +5395,7 @@ NTSTATUS _samr_DeleteDomAlias(pipes_struct *p,
        if (!close_policy_hnd(p, r->in.alias_handle))
                return NT_STATUS_OBJECT_NAME_INVALID;
 
-       force_flush_samr_cache(disp_info);
+       force_flush_samr_cache(&ainfo->sid);
 
        return NT_STATUS_OK;
 }
@@ -5091,27 +5409,20 @@ NTSTATUS _samr_CreateDomainGroup(pipes_struct *p,
 
 {
        NTSTATUS status;
-       DOM_SID dom_sid;
-       DOM_SID info_sid;
        const char *name;
-       struct samr_info *info;
-       uint32 acc_granted;
+       struct samr_domain_info *dinfo;
+       struct samr_group_info *ginfo;
        SE_PRIV se_rights;
        bool can_add_accounts;
-       DISP_INFO *disp_info = NULL;
-
-       /* Find the policy handle. Open a policy on it. */
-       if (!get_lsa_policy_samr_sid(p, r->in.domain_handle, &dom_sid, &acc_granted, &disp_info))
-               return NT_STATUS_INVALID_HANDLE;
 
-       status = access_check_samr_function(acc_granted,
-                                           SAMR_DOMAIN_ACCESS_CREATE_GROUP,
-                                           "_samr_CreateDomainGroup");
+       dinfo = policy_handle_find(p, r->in.domain_handle,
+                                  SAMR_DOMAIN_ACCESS_CREATE_GROUP, NULL,
+                                  struct samr_domain_info, &status);
        if (!NT_STATUS_IS_OK(status)) {
                return status;
        }
 
-       if (!sid_equal(&dom_sid, get_global_sam_sid()))
+       if (!sid_equal(&dinfo->sid, get_global_sam_sid()))
                return NT_STATUS_ACCESS_DENIED;
 
        name = r->in.name->string;
@@ -5146,20 +5457,15 @@ NTSTATUS _samr_CreateDomainGroup(pipes_struct *p,
        if ( !NT_STATUS_IS_OK(status) )
                return status;
 
-       sid_compose(&info_sid, get_global_sam_sid(), *r->out.rid);
-
-       if ((info = get_samr_info_by_sid(&info_sid)) == NULL)
-               return NT_STATUS_NO_MEMORY;
-
-       /* they created it; let the user do what he wants with it */
-
-       info->acc_granted = GENERIC_RIGHTS_GROUP_ALL_ACCESS;
-
-       /* get a (unique) handle.  open a policy on it. */
-       if (!create_policy_hnd(p, r->out.group_handle, free_samr_info, (void *)info))
-               return NT_STATUS_OBJECT_NAME_NOT_FOUND;
+       ginfo = policy_handle_create(p, r->out.group_handle,
+                                    GENERIC_RIGHTS_GROUP_ALL_ACCESS,
+                                    struct samr_group_info, &status);
+        if (!NT_STATUS_IS_OK(status)) {
+                return status;
+        }
+       sid_compose(&ginfo->sid, &dinfo->sid, *r->out.rid);
 
-       force_flush_samr_cache(disp_info);
+       force_flush_samr_cache(&dinfo->sid);
 
        return NT_STATUS_OK;
 }
@@ -5171,29 +5477,23 @@ NTSTATUS _samr_CreateDomainGroup(pipes_struct *p,
 NTSTATUS _samr_CreateDomAlias(pipes_struct *p,
                              struct samr_CreateDomAlias *r)
 {
-       DOM_SID dom_sid;
        DOM_SID info_sid;
        const char *name = NULL;
-       struct samr_info *info;
-       uint32 acc_granted;
+       struct samr_domain_info *dinfo;
+       struct samr_alias_info *ainfo;
        gid_t gid;
        NTSTATUS result;
        SE_PRIV se_rights;
        bool can_add_accounts;
-       DISP_INFO *disp_info = NULL;
-
-       /* Find the policy handle. Open a policy on it. */
-       if (!get_lsa_policy_samr_sid(p, r->in.domain_handle, &dom_sid, &acc_granted, &disp_info))
-               return NT_STATUS_INVALID_HANDLE;
 
-       result = access_check_samr_function(acc_granted,
-                                           SAMR_DOMAIN_ACCESS_CREATE_ALIAS,
-                                           "_samr_CreateDomAlias");
+       dinfo = policy_handle_find(p, r->in.domain_handle,
+                                  SAMR_DOMAIN_ACCESS_CREATE_ALIAS, NULL,
+                                  struct samr_domain_info, &result);
        if (!NT_STATUS_IS_OK(result)) {
                return result;
        }
 
-       if (!sid_equal(&dom_sid, get_global_sam_sid()))
+       if (!sid_equal(&dinfo->sid, get_global_sam_sid()))
                return NT_STATUS_ACCESS_DENIED;
 
        name = r->in.alias_name->string;
@@ -5225,8 +5525,7 @@ NTSTATUS _samr_CreateDomAlias(pipes_struct *p,
                return result;
        }
 
-       sid_copy(&info_sid, get_global_sam_sid());
-       sid_append_rid(&info_sid, *r->out.rid);
+       sid_compose(&info_sid, &dinfo->sid, *r->out.rid);
 
        if (!sid_to_gid(&info_sid, &gid)) {
                DEBUG(10, ("Could not find alias just created\n"));
@@ -5240,18 +5539,15 @@ NTSTATUS _samr_CreateDomAlias(pipes_struct *p,
                return NT_STATUS_ACCESS_DENIED;
        }
 
-       if ((info = get_samr_info_by_sid(&info_sid)) == NULL)
-               return NT_STATUS_NO_MEMORY;
-
-       /* they created it; let the user do what he wants with it */
-
-       info->acc_granted = GENERIC_RIGHTS_ALIAS_ALL_ACCESS;
-
-       /* get a (unique) handle.  open a policy on it. */
-       if (!create_policy_hnd(p, r->out.alias_handle, free_samr_info, (void *)info))
-               return NT_STATUS_OBJECT_NAME_NOT_FOUND;
+       ainfo = policy_handle_create(p, r->out.alias_handle,
+                                    GENERIC_RIGHTS_ALIAS_ALL_ACCESS,
+                                    struct samr_alias_info, &result);
+        if (!NT_STATUS_IS_OK(result)) {
+                return result;
+        }
+       ainfo->sid = info_sid;
 
-       force_flush_samr_cache(disp_info);
+       force_flush_samr_cache(&info_sid);
 
        return NT_STATUS_OK;
 }
@@ -5263,11 +5559,10 @@ NTSTATUS _samr_CreateDomAlias(pipes_struct *p,
 NTSTATUS _samr_QueryGroupInfo(pipes_struct *p,
                              struct samr_QueryGroupInfo *r)
 {
+       struct samr_group_info *ginfo;
        NTSTATUS status;
-       DOM_SID group_sid;
        GROUP_MAP map;
        union samr_GroupInfo *info = NULL;
-       uint32 acc_granted;
        bool ret;
        uint32_t attributes = SE_GROUP_MANDATORY |
                              SE_GROUP_ENABLED_BY_DEFAULT |
@@ -5275,18 +5570,15 @@ NTSTATUS _samr_QueryGroupInfo(pipes_struct *p,
        const char *group_name = NULL;
        const char *group_description = NULL;
 
-       if (!get_lsa_policy_samr_sid(p, r->in.group_handle, &group_sid, &acc_granted, NULL))
-               return NT_STATUS_INVALID_HANDLE;
-
-       status = access_check_samr_function(acc_granted,
-                                           SAMR_GROUP_ACCESS_LOOKUP_INFO,
-                                           "_samr_QueryGroupInfo");
+       ginfo = policy_handle_find(p, r->in.group_handle,
+                                  SAMR_GROUP_ACCESS_LOOKUP_INFO, NULL,
+                                  struct samr_group_info, &status);
        if (!NT_STATUS_IS_OK(status)) {
                return status;
        }
 
        become_root();
-       ret = get_domain_group_from_sid(group_sid, &map);
+       ret = get_domain_group_from_sid(ginfo->sid, &map);
        unbecome_root();
        if (!ret)
                return NT_STATUS_INVALID_HANDLE;
@@ -5307,31 +5599,28 @@ NTSTATUS _samr_QueryGroupInfo(pipes_struct *p,
 
                        become_root();
                        status = pdb_enum_group_members(
-                               p->mem_ctx, &group_sid, &members, &num_members);
+                               p->mem_ctx, &ginfo->sid, &members,
+                               &num_members);
                        unbecome_root();
 
                        if (!NT_STATUS_IS_OK(status)) {
                                return status;
                        }
 
-                       init_samr_group_info1(&info->all,
-                                             group_name,
-                                             attributes,
-                                             num_members,
-                                             group_description);
+                       info->all.name.string           = group_name;
+                       info->all.attributes            = attributes;
+                       info->all.num_members           = num_members;
+                       info->all.description.string    = group_description;
                        break;
                }
                case 2:
-                       init_samr_group_info2(&info->name,
-                                             group_name);
+                       info->name.string = group_name;
                        break;
                case 3:
-                       init_samr_group_info3(&info->attributes,
-                                             attributes);
+                       info->attributes.attributes = attributes;
                        break;
                case 4:
-                       init_samr_group_info4(&info->description,
-                                             group_description);
+                       info->description.string = group_description;
                        break;
                case 5: {
                        /*
@@ -5342,18 +5631,18 @@ NTSTATUS _samr_QueryGroupInfo(pipes_struct *p,
                        /*
                        become_root();
                        status = pdb_enum_group_members(
-                               p->mem_ctx, &group_sid, &members, &num_members);
+                               p->mem_ctx, &ginfo->sid, &members,
+                               &num_members);
                        unbecome_root();
 
                        if (!NT_STATUS_IS_OK(status)) {
                                return status;
                        }
                        */
-                       init_samr_group_info5(&info->all2,
-                                             group_name,
-                                             attributes,
-                                             0, /* num_members - in w2k3 this is always 0 */
-                                             group_description);
+                       info->all2.name.string          = group_name;
+                       info->all2.attributes           = attributes;
+                       info->all2.num_members          = 0; /* num_members - in w2k3 this is always 0 */
+                       info->all2.description.string   = group_description;
 
                        break;
                }
@@ -5373,26 +5662,21 @@ NTSTATUS _samr_QueryGroupInfo(pipes_struct *p,
 NTSTATUS _samr_SetGroupInfo(pipes_struct *p,
                            struct samr_SetGroupInfo *r)
 {
-       DOM_SID group_sid;
+       struct samr_group_info *ginfo;
        GROUP_MAP map;
-       uint32 acc_granted;
        NTSTATUS status;
        bool ret;
        bool can_mod_accounts;
-       DISP_INFO *disp_info = NULL;
-
-       if (!get_lsa_policy_samr_sid(p, r->in.group_handle, &group_sid, &acc_granted, &disp_info))
-               return NT_STATUS_INVALID_HANDLE;
 
-       status = access_check_samr_function(acc_granted,
-                                           SAMR_GROUP_ACCESS_SET_INFO,
-                                           "_samr_SetGroupInfo");
+       ginfo = policy_handle_find(p, r->in.group_handle,
+                                  SAMR_GROUP_ACCESS_SET_INFO, NULL,
+                                  struct samr_group_info, &status);
        if (!NT_STATUS_IS_OK(status)) {
                return status;
        }
 
        become_root();
-       ret = get_domain_group_from_sid(group_sid, &map);
+       ret = get_domain_group_from_sid(ginfo->sid, &map);
        unbecome_root();
        if (!ret)
                return NT_STATUS_NO_SUCH_GROUP;
@@ -5426,7 +5710,7 @@ NTSTATUS _samr_SetGroupInfo(pipes_struct *p,
        /******** End SeAddUsers BLOCK *********/
 
        if (NT_STATUS_IS_OK(status)) {
-               force_flush_samr_cache(disp_info);
+               force_flush_samr_cache(&ginfo->sid);
        }
 
        return status;
@@ -5439,19 +5723,14 @@ NTSTATUS _samr_SetGroupInfo(pipes_struct *p,
 NTSTATUS _samr_SetAliasInfo(pipes_struct *p,
                            struct samr_SetAliasInfo *r)
 {
-       DOM_SID group_sid;
+       struct samr_alias_info *ainfo;
        struct acct_info info;
-       uint32 acc_granted;
        bool can_mod_accounts;
        NTSTATUS status;
-       DISP_INFO *disp_info = NULL;
-
-       if (!get_lsa_policy_samr_sid(p, r->in.alias_handle, &group_sid, &acc_granted, &disp_info))
-               return NT_STATUS_INVALID_HANDLE;
 
-       status = access_check_samr_function(acc_granted,
-                                           SAMR_ALIAS_ACCESS_SET_INFO,
-                                           "_samr_SetAliasInfo");
+       ainfo = policy_handle_find(p, r->in.alias_handle,
+                                  SAMR_ALIAS_ACCESS_SET_INFO, NULL,
+                                  struct samr_alias_info, &status);
        if (!NT_STATUS_IS_OK(status)) {
                return status;
        }
@@ -5459,7 +5738,7 @@ NTSTATUS _samr_SetAliasInfo(pipes_struct *p,
        /* get the current group information */
 
        become_root();
-       status = pdb_get_aliasinfo( &group_sid, &info );
+       status = pdb_get_aliasinfo( &ainfo->sid, &info );
        unbecome_root();
 
        if ( !NT_STATUS_IS_OK(status))
@@ -5475,7 +5754,7 @@ NTSTATUS _samr_SetAliasInfo(pipes_struct *p,
                           why.  The eventually needs to be fixed to be like Windows
                           where you can rename builtin groups, just not delete them */
 
-                       if ( sid_check_is_in_builtin( &group_sid ) ) {
+                       if ( sid_check_is_in_builtin( &ainfo->sid ) ) {
                                return NT_STATUS_SPECIAL_ACCOUNT;
                        }
 
@@ -5520,7 +5799,7 @@ NTSTATUS _samr_SetAliasInfo(pipes_struct *p,
         if ( can_mod_accounts )
                 become_root();
 
-        status = pdb_set_aliasinfo( &group_sid, &info );
+        status = pdb_set_aliasinfo( &ainfo->sid, &info );
 
         if ( can_mod_accounts )
                 unbecome_root();
@@ -5528,7 +5807,7 @@ NTSTATUS _samr_SetAliasInfo(pipes_struct *p,
         /******** End SeAddUsers BLOCK *********/
 
        if (NT_STATUS_IS_OK(status))
-               force_flush_samr_cache(disp_info);
+               force_flush_samr_cache(&ainfo->sid);
 
        return status;
 }
@@ -5577,28 +5856,24 @@ NTSTATUS _samr_OpenGroup(pipes_struct *p,
                         struct samr_OpenGroup *r)
 
 {
-       DOM_SID sid;
        DOM_SID info_sid;
        GROUP_MAP map;
-       struct samr_info *info;
+       struct samr_domain_info *dinfo;
+       struct samr_group_info *ginfo;
        SEC_DESC         *psd = NULL;
        uint32            acc_granted;
        uint32            des_access = r->in.access_mask;
        size_t            sd_size;
        NTSTATUS          status;
-       fstring sid_string;
        bool ret;
        SE_PRIV se_rights;
 
-       if (!get_lsa_policy_samr_sid(p, r->in.domain_handle, &sid, &acc_granted, NULL))
-               return NT_STATUS_INVALID_HANDLE;
-
-       status = access_check_samr_function(acc_granted,
-                                           SAMR_DOMAIN_ACCESS_OPEN_ACCOUNT,
-                                           "_samr_OpenGroup");
-
-       if ( !NT_STATUS_IS_OK(status) )
+       dinfo = policy_handle_find(p, r->in.domain_handle,
+                                  SAMR_DOMAIN_ACCESS_OPEN_ACCOUNT, NULL,
+                                  struct samr_domain_info, &status);
+       if (!NT_STATUS_IS_OK(status)) {
                return status;
+       }
 
        /*check if access can be granted as requested by client. */
        map_max_allowed_access(p->server_info->ptok, &des_access);
@@ -5617,30 +5892,28 @@ NTSTATUS _samr_OpenGroup(pipes_struct *p,
 
        /* this should not be hard-coded like this */
 
-       if (!sid_equal(&sid, get_global_sam_sid()))
+       if (!sid_equal(&dinfo->sid, get_global_sam_sid()))
                return NT_STATUS_ACCESS_DENIED;
 
-       sid_copy(&info_sid, get_global_sam_sid());
-       sid_append_rid(&info_sid, r->in.rid);
-       sid_to_fstring(sid_string, &info_sid);
-
-       if ((info = get_samr_info_by_sid(&info_sid)) == NULL)
-               return NT_STATUS_NO_MEMORY;
-
-       info->acc_granted = acc_granted;
+       sid_compose(&info_sid, &dinfo->sid, r->in.rid);
 
-       DEBUG(10, ("_samr_OpenGroup:Opening SID: %s\n", sid_string));
+       DEBUG(10, ("_samr_OpenGroup:Opening SID: %s\n",
+                  sid_string_dbg(&info_sid)));
 
        /* check if that group really exists */
        become_root();
-       ret = get_domain_group_from_sid(info->sid, &map);
+       ret = get_domain_group_from_sid(info_sid, &map);
        unbecome_root();
        if (!ret)
                return NT_STATUS_NO_SUCH_GROUP;
 
-       /* get a (unique) handle.  open a policy on it. */
-       if (!create_policy_hnd(p, r->out.group_handle, free_samr_info, (void *)info))
-               return NT_STATUS_OBJECT_NAME_NOT_FOUND;
+       ginfo = policy_handle_create(p, r->out.group_handle,
+                                    GENERIC_RIGHTS_GROUP_ALL_ACCESS,
+                                    struct samr_group_info, &status);
+        if (!NT_STATUS_IS_OK(status)) {
+                return status;
+        }
+       ginfo->sid = info_sid;
 
        return NT_STATUS_OK;
 }
@@ -5652,31 +5925,23 @@ NTSTATUS _samr_OpenGroup(pipes_struct *p,
 NTSTATUS _samr_RemoveMemberFromForeignDomain(pipes_struct *p,
                                             struct samr_RemoveMemberFromForeignDomain *r)
 {
-       DOM_SID                 delete_sid, domain_sid;
-       uint32                  acc_granted;
+       struct samr_domain_info *dinfo;
        NTSTATUS                result;
-       DISP_INFO *disp_info = NULL;
-
-       sid_copy( &delete_sid, r->in.sid );
 
        DEBUG(5,("_samr_RemoveMemberFromForeignDomain: removing SID [%s]\n",
-               sid_string_dbg(&delete_sid)));
+                sid_string_dbg(r->in.sid)));
 
        /* Find the policy handle. Open a policy on it. */
 
-       if (!get_lsa_policy_samr_sid(p, r->in.domain_handle, &domain_sid,
-                                    &acc_granted, &disp_info))
-               return NT_STATUS_INVALID_HANDLE;
-
-       result = access_check_samr_function(acc_granted,
-                                           STD_RIGHT_DELETE_ACCESS,
-                                           "_samr_RemoveMemberFromForeignDomain");
-
-       if (!NT_STATUS_IS_OK(result))
+       dinfo = policy_handle_find(p, r->in.domain_handle,
+                                  STD_RIGHT_DELETE_ACCESS, NULL,
+                                  struct samr_domain_info, &result);
+       if (!NT_STATUS_IS_OK(result)) {
                return result;
+       }
 
        DEBUG(8, ("_samr_RemoveMemberFromForeignDomain: sid is %s\n",
-                 sid_string_dbg(&domain_sid)));
+                 sid_string_dbg(&dinfo->sid)));
 
        /* we can only delete a user from a group since we don't have
           nested groups anyways.  So in the latter case, just say OK */
@@ -5692,16 +5957,16 @@ NTSTATUS _samr_RemoveMemberFromForeignDomain(pipes_struct *p,
         * only application of this call. To verify this, let people report
         * other cases. */
 
-       if (!sid_check_is_builtin(&domain_sid)) {
+       if (!sid_check_is_builtin(&dinfo->sid)) {
                DEBUG(1,("_samr_RemoveMemberFromForeignDomain: domain_sid = %s, "
                         "global_sam_sid() = %s\n",
-                        sid_string_dbg(&domain_sid),
+                        sid_string_dbg(&dinfo->sid),
                         sid_string_dbg(get_global_sam_sid())));
                DEBUGADD(1,("please report to samba-technical@samba.org!\n"));
                return NT_STATUS_OK;
        }
 
-       force_flush_samr_cache(disp_info);
+       force_flush_samr_cache(&dinfo->sid);
 
        result = NT_STATUS_OK;
 
@@ -5732,7 +5997,7 @@ NTSTATUS _samr_QueryDomainInfo2(pipes_struct *p,
 NTSTATUS _samr_SetDomainInfo(pipes_struct *p,
                             struct samr_SetDomainInfo *r)
 {
-       struct samr_info *info = NULL;
+       struct samr_domain_info *dinfo;
        time_t u_expire, u_min_age;
        time_t u_logout;
        time_t u_lock_duration, u_reset_time;
@@ -5740,10 +6005,6 @@ NTSTATUS _samr_SetDomainInfo(pipes_struct *p,
 
        DEBUG(5,("_samr_SetDomainInfo: %d\n", __LINE__));
 
-       /* find the policy handle.  open a policy on it. */
-       if (!find_policy_by_hnd(p, r->in.domain_handle, (void **)(void *)&info))
-               return NT_STATUS_INVALID_HANDLE;
-
        /* We do have different access bits for info
         * levels here, but we're really just looking for
         * GENERIC_RIGHTS_DOMAIN_WRITE access. Unfortunately
@@ -5751,12 +6012,12 @@ NTSTATUS _samr_SetDomainInfo(pipes_struct *p,
         * assume if we have SAMR_DOMAIN_ACCESS_SET_INFO_1
         * set we are ok. */
 
-       result = access_check_samr_function(info->acc_granted,
-                                           SAMR_DOMAIN_ACCESS_SET_INFO_1,
-                                           "_samr_SetDomainInfo");
-
-       if (!NT_STATUS_IS_OK(result))
+       dinfo = policy_handle_find(p, r->in.domain_handle,
+                                  SAMR_DOMAIN_ACCESS_SET_INFO_1, NULL,
+                                  struct samr_domain_info, &result);
+       if (!NT_STATUS_IS_OK(result)) {
                return result;
+       }
 
        DEBUG(5,("_samr_SetDomainInfo: level: %d\n", r->in.level));
 
@@ -5809,7 +6070,7 @@ NTSTATUS _samr_SetDomainInfo(pipes_struct *p,
 NTSTATUS _samr_GetDisplayEnumerationIndex(pipes_struct *p,
                                          struct samr_GetDisplayEnumerationIndex *r)
 {
-       struct samr_info *info = NULL;
+       struct samr_domain_info *dinfo;
        uint32_t max_entries = (uint32_t) -1;
        uint32_t enum_context = 0;
        int i;
@@ -5819,14 +6080,9 @@ NTSTATUS _samr_GetDisplayEnumerationIndex(pipes_struct *p,
 
        DEBUG(5,("_samr_GetDisplayEnumerationIndex: %d\n", __LINE__));
 
-       /* find the policy handle.  open a policy on it. */
-       if (!find_policy_by_hnd(p, r->in.domain_handle, (void **)(void *)&info)) {
-               return NT_STATUS_INVALID_HANDLE;
-       }
-
-       status = access_check_samr_function(info->acc_granted,
-                                           SAMR_DOMAIN_ACCESS_ENUM_ACCOUNTS,
-                                           "_samr_GetDisplayEnumerationIndex");
+       dinfo = policy_handle_find(p, r->in.domain_handle,
+                                  SAMR_DOMAIN_ACCESS_ENUM_ACCOUNTS, NULL,
+                                  struct samr_domain_info, &status);
        if (!NT_STATUS_IS_OK(status)) {
                return status;
        }
@@ -5844,9 +6100,10 @@ NTSTATUS _samr_GetDisplayEnumerationIndex(pipes_struct *p,
 
        switch (r->in.level) {
        case 1:
-               if (info->disp_info->users == NULL) {
-                       info->disp_info->users = pdb_search_users(ACB_NORMAL);
-                       if (info->disp_info->users == NULL) {
+               if (dinfo->disp_info->users == NULL) {
+                       dinfo->disp_info->users = pdb_search_users(
+                               dinfo->disp_info, ACB_NORMAL);
+                       if (dinfo->disp_info->users == NULL) {
                                unbecome_root();
                                return NT_STATUS_ACCESS_DENIED;
                        }
@@ -5858,15 +6115,15 @@ NTSTATUS _samr_GetDisplayEnumerationIndex(pipes_struct *p,
                                "using cached user enumeration at index %u\n",
                                (unsigned int)enum_context));
                }
-               num_account = pdb_search_entries(info->disp_info->users,
+               num_account = pdb_search_entries(dinfo->disp_info->users,
                                                 enum_context, max_entries,
                                                 &entries);
                break;
        case 2:
-               if (info->disp_info->machines == NULL) {
-                       info->disp_info->machines =
-                               pdb_search_users(ACB_WSTRUST|ACB_SVRTRUST);
-                       if (info->disp_info->machines == NULL) {
+               if (dinfo->disp_info->machines == NULL) {
+                       dinfo->disp_info->machines = pdb_search_users(
+                               dinfo->disp_info, ACB_WSTRUST|ACB_SVRTRUST);
+                       if (dinfo->disp_info->machines == NULL) {
                                unbecome_root();
                                return NT_STATUS_ACCESS_DENIED;
                        }
@@ -5878,14 +6135,15 @@ NTSTATUS _samr_GetDisplayEnumerationIndex(pipes_struct *p,
                                "using cached machine enumeration at index %u\n",
                                (unsigned int)enum_context));
                }
-               num_account = pdb_search_entries(info->disp_info->machines,
+               num_account = pdb_search_entries(dinfo->disp_info->machines,
                                                 enum_context, max_entries,
                                                 &entries);
                break;
        case 3:
-               if (info->disp_info->groups == NULL) {
-                       info->disp_info->groups = pdb_search_groups();
-                       if (info->disp_info->groups == NULL) {
+               if (dinfo->disp_info->groups == NULL) {
+                       dinfo->disp_info->groups = pdb_search_groups(
+                               dinfo->disp_info);
+                       if (dinfo->disp_info->groups == NULL) {
                                unbecome_root();
                                return NT_STATUS_ACCESS_DENIED;
                        }
@@ -5897,7 +6155,7 @@ NTSTATUS _samr_GetDisplayEnumerationIndex(pipes_struct *p,
                                "using cached group enumeration at index %u\n",
                                (unsigned int)enum_context));
                }
-               num_account = pdb_search_entries(info->disp_info->groups,
+               num_account = pdb_search_entries(dinfo->disp_info->groups,
                                                 enum_context, max_entries,
                                                 &entries);
                break;
@@ -5910,7 +6168,7 @@ NTSTATUS _samr_GetDisplayEnumerationIndex(pipes_struct *p,
        unbecome_root();
 
        /* Ensure we cache this enumeration. */
-       set_disp_info_cache_timeout(info->disp_info, DISP_INFO_CACHE_TIMEOUT);
+       set_disp_info_cache_timeout(dinfo->disp_info, DISP_INFO_CACHE_TIMEOUT);
 
        DEBUG(10,("_samr_GetDisplayEnumerationIndex: looking for :%s\n",
                r->in.name->string));
@@ -5962,16 +6220,6 @@ NTSTATUS _samr_Shutdown(pipes_struct *p,
 /****************************************************************
 ****************************************************************/
 
-NTSTATUS _samr_CreateUser(pipes_struct *p,
-                         struct samr_CreateUser *r)
-{
-       p->rng_fault_state = true;
-       return NT_STATUS_NOT_IMPLEMENTED;
-}
-
-/****************************************************************
-****************************************************************/
-
 NTSTATUS _samr_SetMemberAttributesOfGroup(pipes_struct *p,
                                          struct samr_SetMemberAttributesOfGroup *r)
 {
@@ -5982,16 +6230,6 @@ NTSTATUS _samr_SetMemberAttributesOfGroup(pipes_struct *p,
 /****************************************************************
 ****************************************************************/
 
-NTSTATUS _samr_ChangePasswordUser(pipes_struct *p,
-                                 struct samr_ChangePasswordUser *r)
-{
-       p->rng_fault_state = true;
-       return NT_STATUS_NOT_IMPLEMENTED;
-}
-
-/****************************************************************
-****************************************************************/
-
 NTSTATUS _samr_TestPrivateFunctionsDomain(pipes_struct *p,
                                          struct samr_TestPrivateFunctionsDomain *r)
 {
@@ -6005,17 +6243,6 @@ NTSTATUS _samr_TestPrivateFunctionsDomain(pipes_struct *p,
 NTSTATUS _samr_TestPrivateFunctionsUser(pipes_struct *p,
                                        struct samr_TestPrivateFunctionsUser *r)
 {
-       p->rng_fault_state = true;
-       return NT_STATUS_NOT_IMPLEMENTED;
-}
-
-/****************************************************************
-****************************************************************/
-
-NTSTATUS _samr_QueryUserInfo2(pipes_struct *p,
-                             struct samr_QueryUserInfo2 *r)
-{
-       p->rng_fault_state = true;
        return NT_STATUS_NOT_IMPLEMENTED;
 }
 
@@ -6042,16 +6269,6 @@ NTSTATUS _samr_RemoveMultipleMembersFromAlias(pipes_struct *p,
 /****************************************************************
 ****************************************************************/
 
-NTSTATUS _samr_OemChangePasswordUser2(pipes_struct *p,
-                                     struct samr_OemChangePasswordUser2 *r)
-{
-       p->rng_fault_state = true;
-       return NT_STATUS_NOT_IMPLEMENTED;
-}
-
-/****************************************************************
-****************************************************************/
-
 NTSTATUS _samr_SetBootKeyInformation(pipes_struct *p,
                                     struct samr_SetBootKeyInformation *r)
 {
@@ -6072,16 +6289,6 @@ NTSTATUS _samr_GetBootKeyInformation(pipes_struct *p,
 /****************************************************************
 ****************************************************************/
 
-NTSTATUS _samr_Connect3(pipes_struct *p,
-                       struct samr_Connect3 *r)
-{
-       p->rng_fault_state = true;
-       return NT_STATUS_NOT_IMPLEMENTED;
-}
-
-/****************************************************************
-****************************************************************/
-
 NTSTATUS _samr_RidToSid(pipes_struct *p,
                        struct samr_RidToSid *r)
 {