s3-samr: cosmetic fixes for _samr_QueryDisplayInfo.
[ira/wip.git] / source3 / rpc_server / srv_samr_nt.c
index e0c785d84127de4e6f4efc17e03762eef20a8e53..ad5beefc046e0d65c32a4a90344927a7c109c576 100644 (file)
@@ -32,6 +32,7 @@
  */
 
 #include "includes.h"
+#include "smbd/globals.h"
 #include "../libcli/auth/libcli_auth.h"
 
 #undef DBGC_CLASS
@@ -173,7 +174,7 @@ static NTSTATUS make_samr_object_sd( TALLOC_CTX *ctx, SEC_DESC **psd, size_t *sd
  level of access for further checks.
 ********************************************************************/
 
-static NTSTATUS access_check_samr_object( SEC_DESC *psd, NT_USER_TOKEN *token,
+NTSTATUS access_check_object( SEC_DESC *psd, NT_USER_TOKEN *token,
                                           SE_PRIV *rights, uint32 rights_mask,
                                           uint32 des_access, uint32 *acc_granted,
                                          const char *debug )
@@ -185,12 +186,13 @@ static NTSTATUS access_check_samr_object( SEC_DESC *psd, NT_USER_TOKEN *token,
           by privileges (mostly having to do with creating/modifying/deleting
           users and groups) */
 
-       if ( rights && user_has_any_privilege( token, rights ) ) {
+       if (rights && !se_priv_equal(rights, &se_priv_none) &&
+                       user_has_any_privilege(token, rights)) {
 
                saved_mask = (des_access & rights_mask);
                des_access &= ~saved_mask;
 
-               DEBUG(4,("access_check_samr_object: user rights access mask [0x%x]\n",
+               DEBUG(4,("access_check_object: user rights access mask [0x%x]\n",
                        rights_mask));
        }
 
@@ -234,7 +236,7 @@ done:
  Map any MAXIMUM_ALLOWED_ACCESS request to a valid access set.
 ********************************************************************/
 
-static void map_max_allowed_access(const NT_USER_TOKEN *token,
+void map_max_allowed_access(const NT_USER_TOKEN *token,
                                        uint32_t *pacc_requested)
 {
        if (!((*pacc_requested) & MAXIMUM_ALLOWED_ACCESS)) {
@@ -242,8 +244,8 @@ static void map_max_allowed_access(const NT_USER_TOKEN *token,
        }
        *pacc_requested &= ~MAXIMUM_ALLOWED_ACCESS;
 
-       /* At least try for generic read. */
-       *pacc_requested = GENERIC_READ_ACCESS;
+       /* At least try for generic read|execute - Everyone gets that. */
+       *pacc_requested = GENERIC_READ_ACCESS|GENERIC_EXECUTE_ACCESS;
 
        /* root gets anything. */
        if (geteuid() == sec_initial_uid()) {
@@ -536,6 +538,7 @@ NTSTATUS _samr_OpenDomain(pipes_struct *p,
        uint32    des_access = r->in.access_mask;
        NTSTATUS  status;
        size_t    sd_size;
+       uint32_t extra_access = SAMR_DOMAIN_ACCESS_CREATE_USER;
        SE_PRIV se_rights;
 
        /* find the connection policy handle. */
@@ -552,11 +555,27 @@ NTSTATUS _samr_OpenDomain(pipes_struct *p,
        make_samr_object_sd( p->mem_ctx, &psd, &sd_size, &dom_generic_mapping, NULL, 0 );
        se_map_generic( &des_access, &dom_generic_mapping );
 
+       /*
+        * Users with SeMachineAccount or SeAddUser get additional
+        * SAMR_DOMAIN_ACCESS_CREATE_USER access.
+        */
        se_priv_copy( &se_rights, &se_machine_account );
        se_priv_add( &se_rights, &se_add_users );
 
-       status = access_check_samr_object( psd, p->server_info->ptok,
-               &se_rights, GENERIC_RIGHTS_DOMAIN_WRITE, des_access,
+       /*
+        * Users with SeAddUser get the ability to manipulate groups
+        * and aliases.
+        */
+       if (user_has_any_privilege(p->server_info->ptok, &se_add_users)) {
+               extra_access |= (SAMR_DOMAIN_ACCESS_CREATE_GROUP |
+                               SAMR_DOMAIN_ACCESS_ENUM_ACCOUNTS |
+                               SAMR_DOMAIN_ACCESS_OPEN_ACCOUNT |
+                               SAMR_DOMAIN_ACCESS_LOOKUP_ALIAS |
+                               SAMR_DOMAIN_ACCESS_CREATE_ALIAS);
+       }
+
+       status = access_check_object( psd, p->server_info->ptok,
+               &se_rights, extra_access, des_access,
                &acc_granted, "_samr_OpenDomain" );
 
        if ( !NT_STATUS_IS_OK(status) )
@@ -1091,6 +1110,12 @@ NTSTATUS _samr_EnumDomainGroups(pipes_struct *p,
        make_group_sam_entry_list(p->mem_ctx, &samr_entries,
                                  num_groups, groups);
 
+       if (MAX_SAM_ENTRIES <= num_groups) {
+               status = STATUS_MORE_ENTRIES;
+       } else {
+               status = NT_STATUS_OK;
+       }
+
        samr_array->count = num_groups;
        samr_array->entries = samr_entries;
 
@@ -1156,6 +1181,12 @@ NTSTATUS _samr_EnumDomainAliases(pipes_struct *p,
 
        DEBUG(5,("_samr_EnumDomainAliases: %d\n", __LINE__));
 
+       if (MAX_SAM_ENTRIES <= num_aliases) {
+               status = STATUS_MORE_ENTRIES;
+       } else {
+               status = NT_STATUS_OK;
+       }
+
        samr_array->count = num_aliases;
        samr_array->entries = samr_entries;
 
@@ -1376,8 +1407,6 @@ NTSTATUS _samr_QueryDisplayInfo(pipes_struct *p,
        uint32 struct_size=0x20; /* W2K always reply that, client doesn't care */
 
        uint32 max_entries = r->in.max_entries;
-       uint32 enum_context = r->in.start_idx;
-       uint32 max_size = r->in.buf_size;
 
        union samr_DispInfo *disp_info = r->out.info;
 
@@ -1437,9 +1466,9 @@ NTSTATUS _samr_QueryDisplayInfo(pipes_struct *p,
        }
 
        /* first limit the number of entries we will return */
-       if(max_entries > max_sam_entries) {
+       if (r->in.max_entries > max_sam_entries) {
                DEBUG(5, ("_samr_QueryDisplayInfo: client requested %d "
-                         "entries, limiting to %d\n", max_entries,
+                         "entries, limiting to %d\n", r->in.max_entries,
                          max_sam_entries));
                max_entries = max_sam_entries;
        }
@@ -1449,8 +1478,8 @@ NTSTATUS _samr_QueryDisplayInfo(pipes_struct *p,
 
        temp_size=max_entries*struct_size;
 
-       if (temp_size>max_size) {
-               max_entries=MIN((max_size/struct_size),max_entries);;
+       if (temp_size > r->in.buf_size) {
+               max_entries = MIN((r->in.buf_size / struct_size),max_entries);;
                DEBUG(5, ("_samr_QueryDisplayInfo: buffer size limits to "
                          "only %d entries\n", max_entries));
        }
@@ -1460,8 +1489,8 @@ NTSTATUS _samr_QueryDisplayInfo(pipes_struct *p,
        /* THe following done as ROOT. Don't return without unbecome_root(). */
 
        switch (r->in.level) {
-       case 0x1:
-       case 0x4:
+       case 1:
+       case 4:
                if (dinfo->disp_info->users == NULL) {
                        dinfo->disp_info->users = pdb_search_users(
                                dinfo->disp_info, ACB_NORMAL);
@@ -1470,17 +1499,17 @@ NTSTATUS _samr_QueryDisplayInfo(pipes_struct *p,
                                return NT_STATUS_ACCESS_DENIED;
                        }
                        DEBUG(10,("_samr_QueryDisplayInfo: starting user enumeration at index %u\n",
-                               (unsigned  int)enum_context ));
+                               (unsigned  int)r->in.start_idx));
                } else {
                        DEBUG(10,("_samr_QueryDisplayInfo: using cached user enumeration at index %u\n",
-                               (unsigned  int)enum_context ));
+                               (unsigned  int)r->in.start_idx));
                }
 
                num_account = pdb_search_entries(dinfo->disp_info->users,
-                                                enum_context, max_entries,
+                                                r->in.start_idx, max_entries,
                                                 &entries);
                break;
-       case 0x2:
+       case 2:
                if (dinfo->disp_info->machines == NULL) {
                        dinfo->disp_info->machines = pdb_search_users(
                                dinfo->disp_info, ACB_WSTRUST|ACB_SVRTRUST);
@@ -1489,18 +1518,18 @@ NTSTATUS _samr_QueryDisplayInfo(pipes_struct *p,
                                return NT_STATUS_ACCESS_DENIED;
                        }
                        DEBUG(10,("_samr_QueryDisplayInfo: starting machine enumeration at index %u\n",
-                               (unsigned  int)enum_context ));
+                               (unsigned  int)r->in.start_idx));
                } else {
                        DEBUG(10,("_samr_QueryDisplayInfo: using cached machine enumeration at index %u\n",
-                               (unsigned  int)enum_context ));
+                               (unsigned  int)r->in.start_idx));
                }
 
                num_account = pdb_search_entries(dinfo->disp_info->machines,
-                                                enum_context, max_entries,
+                                                r->in.start_idx, max_entries,
                                                 &entries);
                break;
-       case 0x3:
-       case 0x5:
+       case 3:
+       case 5:
                if (dinfo->disp_info->groups == NULL) {
                        dinfo->disp_info->groups = pdb_search_groups(
                                dinfo->disp_info);
@@ -1509,14 +1538,14 @@ NTSTATUS _samr_QueryDisplayInfo(pipes_struct *p,
                                return NT_STATUS_ACCESS_DENIED;
                        }
                        DEBUG(10,("_samr_QueryDisplayInfo: starting group enumeration at index %u\n",
-                               (unsigned  int)enum_context ));
+                               (unsigned  int)r->in.start_idx));
                } else {
                        DEBUG(10,("_samr_QueryDisplayInfo: using cached group enumeration at index %u\n",
-                               (unsigned  int)enum_context ));
+                               (unsigned  int)r->in.start_idx));
                }
 
                num_account = pdb_search_entries(dinfo->disp_info->groups,
-                                                enum_context, max_entries,
+                                                r->in.start_idx, max_entries,
                                                 &entries);
                break;
        default:
@@ -1529,29 +1558,29 @@ NTSTATUS _samr_QueryDisplayInfo(pipes_struct *p,
 
        /* Now create reply structure */
        switch (r->in.level) {
-       case 0x1:
+       case 1:
                disp_ret = init_samr_dispinfo_1(p->mem_ctx, &disp_info->info1,
-                                               num_account, enum_context,
+                                               num_account, r->in.start_idx,
                                                entries);
                break;
-       case 0x2:
+       case 2:
                disp_ret = init_samr_dispinfo_2(p->mem_ctx, &disp_info->info2,
-                                               num_account, enum_context,
+                                               num_account, r->in.start_idx,
                                                entries);
                break;
-       case 0x3:
+       case 3:
                disp_ret = init_samr_dispinfo_3(p->mem_ctx, &disp_info->info3,
-                                               num_account, enum_context,
+                                               num_account, r->in.start_idx,
                                                entries);
                break;
-       case 0x4:
+       case 4:
                disp_ret = init_samr_dispinfo_4(p->mem_ctx, &disp_info->info4,
-                                               num_account, enum_context,
+                                               num_account, r->in.start_idx,
                                                entries);
                break;
-       case 0x5:
+       case 5:
                disp_ret = init_samr_dispinfo_5(p->mem_ctx, &disp_info->info5,
-                                               num_account, enum_context,
+                                               num_account, r->in.start_idx,
                                                entries);
                break;
        default:
@@ -1890,6 +1919,7 @@ NTSTATUS _samr_ChangePasswordUser(pipes_struct *p,
 NTSTATUS _samr_ChangePasswordUser2(pipes_struct *p,
                                   struct samr_ChangePasswordUser2 *r)
 {
+       struct smbd_server_connection *sconn = smbd_server_conn;
        NTSTATUS status;
        fstring user_name;
        fstring wks;
@@ -1906,7 +1936,7 @@ NTSTATUS _samr_ChangePasswordUser2(pipes_struct *p,
         * function.
         */
 
-       (void)map_username(user_name);
+       (void)map_username(sconn, user_name);
 
        /*
         * UNIX username case mangling not required, pass_oem_change
@@ -1936,6 +1966,7 @@ NTSTATUS _samr_ChangePasswordUser2(pipes_struct *p,
 NTSTATUS _samr_OemChangePasswordUser2(pipes_struct *p,
                                      struct samr_OemChangePasswordUser2 *r)
 {
+       struct smbd_server_connection *sconn = smbd_server_conn;
        NTSTATUS status;
        fstring user_name;
        const char *wks = NULL;
@@ -1954,7 +1985,7 @@ NTSTATUS _samr_OemChangePasswordUser2(pipes_struct *p,
         * function.
         */
 
-       (void)map_username(user_name);
+       (void)map_username(sconn, user_name);
 
        /*
         * UNIX username case mangling not required, pass_oem_change
@@ -1988,6 +2019,7 @@ NTSTATUS _samr_OemChangePasswordUser2(pipes_struct *p,
 NTSTATUS _samr_ChangePasswordUser3(pipes_struct *p,
                                   struct samr_ChangePasswordUser3 *r)
 {
+       struct smbd_server_connection *sconn = smbd_server_conn;
        NTSTATUS status;
        fstring user_name;
        const char *wks = NULL;
@@ -2010,7 +2042,7 @@ NTSTATUS _samr_ChangePasswordUser3(pipes_struct *p,
         * function.
         */
 
-       (void)map_username(user_name);
+       (void)map_username(sconn, user_name);
 
        /*
         * UNIX username case mangling not required, pass_oem_change
@@ -2207,6 +2239,7 @@ NTSTATUS _samr_OpenUser(pipes_struct *p,
        SEC_DESC *psd = NULL;
        uint32    acc_granted;
        uint32    des_access = r->in.access_mask;
+       uint32_t extra_access = 0;
        size_t    sd_size;
        bool ret;
        NTSTATUS nt_status;
@@ -2236,26 +2269,85 @@ NTSTATUS _samr_OpenUser(pipes_struct *p,
        make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &usr_generic_mapping, &sid, SAMR_USR_RIGHTS_WRITE_PW);
        se_map_generic(&des_access, &usr_generic_mapping);
 
-       se_priv_copy( &se_rights, &se_machine_account );
-       se_priv_add( &se_rights, &se_add_users );
+       /*
+        * Get the sampass first as we need to check privilages
+        * based on what kind of user object this is.
+        * But don't reveal info too early if it didn't exist.
+        */
 
-       nt_status = access_check_samr_object(psd, p->server_info->ptok,
+       become_root();
+       ret=pdb_getsampwsid(sampass, &sid);
+       unbecome_root();
+
+       se_priv_copy(&se_rights, &se_priv_none);
+
+       /*
+        * We do the override access checks on *open*, not at
+        * SetUserInfo time.
+        */
+       if (ret) {
+               uint32_t acb_info = pdb_get_acct_ctrl(sampass);
+
+               if ((acb_info & ACB_WSTRUST) &&
+                               user_has_any_privilege(p->server_info->ptok,
+                                               &se_machine_account)) {
+                       /*
+                        * SeMachineAccount is needed to add
+                        * GENERIC_RIGHTS_USER_WRITE to a machine
+                        * account.
+                        */
+                       se_priv_add(&se_rights, &se_machine_account);
+                       DEBUG(10,("_samr_OpenUser: adding machine account "
+                               "rights to handle for user %s\n",
+                               pdb_get_username(sampass) ));
+               }
+               if ((acb_info & ACB_NORMAL) &&
+                               user_has_any_privilege(p->server_info->ptok,
+                                               &se_add_users)) {
+                       /*
+                        * SeAddUsers is needed to add
+                        * GENERIC_RIGHTS_USER_WRITE to a normal
+                        * account.
+                        */
+                       se_priv_add(&se_rights, &se_add_users);
+                       DEBUG(10,("_samr_OpenUser: adding add user "
+                               "rights to handle for user %s\n",
+                               pdb_get_username(sampass) ));
+               }
+               /*
+                * Cheat - allow GENERIC_RIGHTS_USER_WRITE if pipe user is
+                * in DOMAIN_GROUP_RID_ADMINS. This is almost certainly not
+                * what Windows does but is a hack for people who haven't
+                * set up privilages on groups in Samba.
+                */
+               if (acb_info & (ACB_SVRTRUST|ACB_DOMTRUST)) {
+                       if (lp_enable_privileges() && nt_token_check_domain_rid(p->server_info->ptok,
+                                                       DOMAIN_GROUP_RID_ADMINS)) {
+                               des_access &= ~GENERIC_RIGHTS_USER_WRITE;
+                               extra_access = GENERIC_RIGHTS_USER_WRITE;
+                               DEBUG(4,("_samr_OpenUser: Allowing "
+                                       "GENERIC_RIGHTS_USER_WRITE for "
+                                       "rid admins\n"));
+                       }
+               }
+       }
+
+       TALLOC_FREE(sampass);
+
+       nt_status = access_check_object(psd, p->server_info->ptok,
                &se_rights, GENERIC_RIGHTS_USER_WRITE, des_access,
                &acc_granted, "_samr_OpenUser");
 
        if ( !NT_STATUS_IS_OK(nt_status) )
                return nt_status;
 
-       become_root();
-       ret=pdb_getsampwsid(sampass, &sid);
-       unbecome_root();
-
        /* check that the SID exists in our domain. */
        if (ret == False) {
                return NT_STATUS_NO_SUCH_USER;
        }
 
-       TALLOC_FREE(sampass);
+       /* If we did the rid admins hack above, allow access. */
+       acc_granted |= extra_access;
 
        uinfo = policy_handle_create(p, r->out.user_handle, acc_granted,
                                     struct samr_user_info, &nt_status);
@@ -2665,7 +2757,7 @@ static NTSTATUS get_user_info_18(pipes_struct *p,
        if (ret == False) {
                DEBUG(4, ("User %s not found\n", sid_string_dbg(user_sid)));
                TALLOC_FREE(smbpass);
-               return (geteuid() == (uid_t)0) ? NT_STATUS_NO_SUCH_USER : NT_STATUS_ACCESS_DENIED;
+               return (geteuid() == sec_initial_uid()) ? NT_STATUS_NO_SUCH_USER : NT_STATUS_ACCESS_DENIED;
        }
 
        DEBUG(3,("User:[%s] 0x%x\n", pdb_get_username(smbpass), pdb_get_acct_ctrl(smbpass) ));
@@ -2731,7 +2823,8 @@ static NTSTATUS get_user_info_20(TALLOC_CTX *mem_ctx,
 static NTSTATUS get_user_info_21(TALLOC_CTX *mem_ctx,
                                 struct samr_UserInfo21 *r,
                                 struct samu *pw,
-                                DOM_SID *domain_sid)
+                                DOM_SID *domain_sid,
+                                uint32_t acc_granted)
 {
        NTSTATUS status;
        const DOM_SID *sid_user, *sid_group;
@@ -2851,9 +2944,76 @@ NTSTATUS _samr_QueryUserInfo(pipes_struct *p,
        uint32 rid;
        bool ret = false;
        struct samu *pwd = NULL;
+       uint32_t acc_required, acc_granted;
+
+       switch (r->in.level) {
+       case 1: /* UserGeneralInformation */
+               /* USER_READ_GENERAL */
+               acc_required = SAMR_USER_ACCESS_GET_NAME_ETC;
+               break;
+       case 2: /* UserPreferencesInformation */
+               /* USER_READ_PREFERENCES | USER_READ_GENERAL */
+               acc_required = SAMR_USER_ACCESS_GET_LOCALE |
+                              SAMR_USER_ACCESS_GET_NAME_ETC;
+               break;
+       case 3: /* UserLogonInformation */
+               /* USER_READ_GENERAL | USER_READ_PREFERENCES | USER_READ_LOGON | USER_READ_ACCOUNT */
+               acc_required = SAMR_USER_ACCESS_GET_NAME_ETC |
+                              SAMR_USER_ACCESS_GET_LOCALE |
+                              SAMR_USER_ACCESS_GET_LOGONINFO |
+                              SAMR_USER_ACCESS_GET_ATTRIBUTES;
+               break;
+       case 4: /* UserLogonHoursInformation */
+               /* USER_READ_LOGON */
+               acc_required = SAMR_USER_ACCESS_GET_LOGONINFO;
+               break;
+       case 5: /* UserAccountInformation */
+               /* USER_READ_GENERAL | USER_READ_PREFERENCES | USER_READ_LOGON | USER_READ_ACCOUNT */
+               acc_required = SAMR_USER_ACCESS_GET_NAME_ETC |
+                              SAMR_USER_ACCESS_GET_LOCALE |
+                              SAMR_USER_ACCESS_GET_LOGONINFO |
+                              SAMR_USER_ACCESS_GET_ATTRIBUTES;
+               break;
+       case 6: /* UserNameInformation */
+       case 7: /* UserAccountNameInformation */
+       case 8: /* UserFullNameInformation */
+       case 9: /* UserPrimaryGroupInformation */
+       case 13: /* UserAdminCommentInformation */
+               /* USER_READ_GENERAL */
+               acc_required = SAMR_USER_ACCESS_GET_NAME_ETC;
+               break;
+       case 10: /* UserHomeInformation */
+       case 11: /* UserScriptInformation */
+       case 12: /* UserProfileInformation */
+       case 14: /* UserWorkStationsInformation */
+               /* USER_READ_LOGON */
+               acc_required = SAMR_USER_ACCESS_GET_LOGONINFO;
+               break;
+       case 16: /* UserControlInformation */
+       case 17: /* UserExpiresInformation */
+       case 20: /* UserParametersInformation */
+               /* USER_READ_ACCOUNT */
+               acc_required = SAMR_USER_ACCESS_GET_ATTRIBUTES;
+               break;
+       case 21: /* UserAllInformation */
+               /* FIXME! - gd */
+               acc_required = SAMR_USER_ACCESS_GET_ATTRIBUTES;
+               break;
+       case 18: /* UserInternal1Information */
+               /* FIXME! - gd */
+               acc_required = SAMR_USER_ACCESS_GET_ATTRIBUTES;
+               break;
+       case 23: /* UserInternal4Information */
+       case 24: /* UserInternal4InformationNew */
+       case 25: /* UserInternal4InformationNew */
+       case 26: /* UserInternal5InformationNew */
+       default:
+               return NT_STATUS_INVALID_INFO_CLASS;
+               break;
+       }
 
        uinfo = policy_handle_find(p, r->in.user_handle,
-                                  SAMR_USER_ACCESS_GET_ATTRIBUTES, NULL,
+                                  acc_required, &acc_granted,
                                   struct samr_user_info, &status);
        if (!NT_STATUS_IS_OK(status)) {
                return status;
@@ -2952,17 +3112,22 @@ NTSTATUS _samr_QueryUserInfo(pipes_struct *p,
                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, pwd, &domain_sid);
+               status = get_user_info_21(p->mem_ctx, &user_info->info21, pwd, &domain_sid, acc_granted);
                break;
        default:
                status = NT_STATUS_INVALID_INFO_CLASS;
                break;
        }
 
-       TALLOC_FREE(pwd);
+       if (!NT_STATUS_IS_OK(status)) {
+               goto done;
+       }
 
        *r->out.info = user_info;
 
+ done:
+       TALLOC_FREE(pwd);
+
        DEBUG(5,("_samr_QueryUserInfo: %d\n", __LINE__));
 
        return status;
@@ -3131,11 +3296,41 @@ NTSTATUS _samr_QueryDomainInfo(pipes_struct *p,
 
        time_t seq_num;
        uint32 server_role;
+       uint32_t acc_required;
 
        DEBUG(5,("_samr_QueryDomainInfo: %d\n", __LINE__));
 
+       switch (r->in.level) {
+       case 1: /* DomainPasswordInformation */
+       case 12: /* DomainLockoutInformation */
+               /* DOMAIN_READ_PASSWORD_PARAMETERS */
+               acc_required = SAMR_DOMAIN_ACCESS_LOOKUP_INFO_1;
+               break;
+       case 11: /* DomainGeneralInformation2 */
+               /* DOMAIN_READ_PASSWORD_PARAMETERS |
+                * DOMAIN_READ_OTHER_PARAMETERS */
+               acc_required = SAMR_DOMAIN_ACCESS_LOOKUP_INFO_1 |
+                              SAMR_DOMAIN_ACCESS_LOOKUP_INFO_2;
+               break;
+       case 2: /* DomainGeneralInformation */
+       case 3: /* DomainLogoffInformation */
+       case 4: /* DomainOemInformation */
+       case 5: /* DomainReplicationInformation */
+       case 6: /* DomainReplicationInformation */
+       case 7: /* DomainServerRoleInformation */
+       case 8: /* DomainModifiedInformation */
+       case 9: /* DomainStateInformation */
+       case 10: /* DomainUasInformation */
+       case 13: /* DomainModifiedInformation2 */
+               /* DOMAIN_READ_OTHER_PARAMETERS */
+               acc_required = SAMR_DOMAIN_ACCESS_LOOKUP_INFO_2;
+               break;
+       default:
+               return NT_STATUS_INVALID_INFO_CLASS;
+       }
+
        dinfo = policy_handle_find(p, r->in.domain_handle,
-                                  SAMR_ACCESS_LOOKUP_DOMAIN, NULL,
+                                  acc_required, NULL,
                                   struct samr_domain_info, &status);
        if (!NT_STATUS_IS_OK(status)) {
                return status;
@@ -3147,7 +3342,7 @@ NTSTATUS _samr_QueryDomainInfo(pipes_struct *p,
        }
 
        switch (r->in.level) {
-               case 0x01:
+               case 1:
 
                        become_root();
 
@@ -3181,7 +3376,7 @@ NTSTATUS _samr_QueryDomainInfo(pipes_struct *p,
                        }
 
                        break;
-               case 0x02:
+               case 2:
 
                        become_root();
 
@@ -3218,7 +3413,7 @@ NTSTATUS _samr_QueryDomainInfo(pipes_struct *p,
                        dom_info->general.unknown3                      = 1;
 
                        break;
-               case 0x03:
+               case 3:
 
                        become_root();
 
@@ -3237,26 +3432,26 @@ NTSTATUS _samr_QueryDomainInfo(pipes_struct *p,
                        unix_to_nt_time_abs(&dom_info->info3.force_logoff_time, u_logout);
 
                        break;
-               case 0x04:
+               case 4:
                        dom_info->oem.oem_information.string = lp_serverstring();
                        break;
-               case 0x05:
+               case 5:
                        dom_info->info5.domain_name.string = get_global_sam_name();
                        break;
-               case 0x06:
+               case 6:
                        /* NT returns its own name when a PDC. win2k and later
                         * only the name of the PDC if itself is a BDC (samba4
                         * idl) */
                        dom_info->info6.primary.string = global_myname();
                        break;
-               case 0x07:
+               case 7:
                        server_role = ROLE_DOMAIN_PDC;
                        if (lp_server_role() == ROLE_DOMAIN_BDC)
                                server_role = ROLE_DOMAIN_BDC;
 
                        dom_info->info7.role = server_role;
                        break;
-               case 0x08:
+               case 8:
 
                        become_root();
 
@@ -3274,12 +3469,12 @@ NTSTATUS _samr_QueryDomainInfo(pipes_struct *p,
                        dom_info->info8.domain_create_time = 0;
 
                        break;
-               case 0x09:
+               case 9:
 
                        dom_info->info9.domain_server_state             = DOMAIN_SERVER_ENABLED;
 
                        break;
-               case 0x0b:
+               case 11:
 
                        /* AS ROOT !!! */
 
@@ -3334,7 +3529,7 @@ NTSTATUS _samr_QueryDomainInfo(pipes_struct *p,
                                            u_reset_time);
 
                        break;
-               case 0x0c:
+               case 12:
 
                        become_root();
 
@@ -3363,7 +3558,7 @@ NTSTATUS _samr_QueryDomainInfo(pipes_struct *p,
                                            u_reset_time);
 
                        break;
-               case 0x0d:
+               case 13:
 
                        become_root();
 
@@ -3483,47 +3678,44 @@ NTSTATUS _samr_CreateUser2(pipes_struct *p,
 
        /* determine which user right we need to check based on the acb_info */
 
-       if ( acb_info & ACB_WSTRUST )
-       {
-               se_priv_copy( &se_rights, &se_machine_account );
+       if (geteuid() == sec_initial_uid()) {
+               se_priv_copy(&se_rights, &se_priv_none);
+               can_add_account = true;
+       } else if (acb_info & ACB_WSTRUST) {
+               se_priv_copy(&se_rights, &se_machine_account);
                can_add_account = user_has_privileges(
                        p->server_info->ptok, &se_rights );
-       }
-       /* usrmgr.exe (and net rpc trustdom grant) creates a normal user
-          account for domain trusts and changes the ACB flags later */
-       else if ( acb_info & ACB_NORMAL &&
-                 (account[strlen(account)-1] != '$') )
-       {
-               se_priv_copy( &se_rights, &se_add_users );
+       } else if (acb_info & ACB_NORMAL &&
+                 (account[strlen(account)-1] != '$')) {
+               /* usrmgr.exe (and net rpc trustdom grant) creates a normal user
+                  account for domain trusts and changes the ACB flags later */
+               se_priv_copy(&se_rights, &se_add_users);
                can_add_account = user_has_privileges(
                        p->server_info->ptok, &se_rights );
-       }
-       else    /* implicit assumption of a BDC or domain trust account here
+       } else if (lp_enable_privileges()) {
+               /* implicit assumption of a BDC or domain trust account here
                 * (we already check the flags earlier) */
-       {
-               if ( lp_enable_privileges() ) {
-                       /* only Domain Admins can add a BDC or domain trust */
-                       se_priv_copy( &se_rights, &se_priv_none );
-                       can_add_account = nt_token_check_domain_rid(
-                               p->server_info->ptok,
-                               DOMAIN_GROUP_RID_ADMINS );
-               }
+               /* only Domain Admins can add a BDC or domain trust */
+               se_priv_copy(&se_rights, &se_priv_none);
+               can_add_account = nt_token_check_domain_rid(
+                       p->server_info->ptok,
+                       DOMAIN_GROUP_RID_ADMINS );
        }
 
        DEBUG(5, ("_samr_CreateUser2: %s can add this account : %s\n",
                  uidtoname(p->server_info->utok.uid),
                  can_add_account ? "True":"False" ));
 
-       /********** BEGIN Admin BLOCK **********/
+       if (!can_add_account) {
+               return NT_STATUS_ACCESS_DENIED;
+       }
 
-       if ( can_add_account )
-               become_root();
+       /********** BEGIN Admin BLOCK **********/
 
+       become_root();
        nt_status = pdb_create_user(p->mem_ctx, account, acb_info,
                                    r->out.rid);
-
-       if ( can_add_account )
-               unbecome_root();
+       unbecome_root();
 
        /********** END Admin BLOCK **********/
 
@@ -3542,7 +3734,14 @@ NTSTATUS _samr_CreateUser2(pipes_struct *p,
                            &sid, SAMR_USR_RIGHTS_WRITE_PW);
        se_map_generic(&des_access, &usr_generic_mapping);
 
-       nt_status = access_check_samr_object(psd, p->server_info->ptok,
+       /*
+        * JRA - TESTME. We just created this user so we
+        * had rights to create them. Do we need to check
+        * any further access on this object ? Can't we
+        * just assume we have all the rights we need ?
+        */
+
+       nt_status = access_check_object(psd, p->server_info->ptok,
                &se_rights, GENERIC_RIGHTS_USER_WRITE, des_access,
                &acc_granted, "_samr_CreateUser2");
 
@@ -3674,7 +3873,7 @@ NTSTATUS _samr_Connect2(pipes_struct *p,
        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,
+       nt_status = access_check_object(psd, p->server_info->ptok,
                NULL, 0, des_access, &acc_granted, fn);
 
        if ( !NT_STATUS_IS_OK(nt_status) )
@@ -3889,10 +4088,9 @@ NTSTATUS _samr_OpenAlias(pipes_struct *p,
 
        se_priv_copy( &se_rights, &se_add_users );
 
-
-       status = access_check_samr_object(psd, p->server_info->ptok,
-               &se_rights, GENERIC_RIGHTS_ALIAS_WRITE, des_access,
-               &acc_granted, "_samr_OpenAlias");
+       status = access_check_object(psd, p->server_info->ptok,
+               &se_rights, GENERIC_RIGHTS_ALIAS_ALL_ACCESS,
+               des_access, &acc_granted, "_samr_OpenAlias");
 
        if ( !NT_STATUS_IS_OK(status) )
                return status;
@@ -4645,6 +4843,73 @@ static NTSTATUS set_user_info_26(TALLOC_CTX *mem_ctx,
        return NT_STATUS_OK;
 }
 
+/*************************************************************
+**************************************************************/
+
+static uint32_t samr_set_user_info_map_fields_to_access_mask(uint32_t fields)
+{
+       uint32_t acc_required = 0;
+
+       /* USER_ALL_USERNAME */
+       if (fields & SAMR_FIELD_ACCOUNT_NAME)
+               acc_required |= SAMR_USER_ACCESS_SET_ATTRIBUTES;
+       /* USER_ALL_FULLNAME */
+       if (fields & SAMR_FIELD_FULL_NAME)
+               acc_required |= SAMR_USER_ACCESS_SET_ATTRIBUTES;
+       /* USER_ALL_PRIMARYGROUPID */
+       if (fields & SAMR_FIELD_PRIMARY_GID)
+               acc_required |= SAMR_USER_ACCESS_SET_ATTRIBUTES;
+       /* USER_ALL_HOMEDIRECTORY */
+       if (fields & SAMR_FIELD_HOME_DIRECTORY)
+               acc_required |= SAMR_USER_ACCESS_SET_ATTRIBUTES;
+       /* USER_ALL_HOMEDIRECTORYDRIVE */
+       if (fields & SAMR_FIELD_HOME_DRIVE)
+               acc_required |= SAMR_USER_ACCESS_SET_ATTRIBUTES;
+       /* USER_ALL_SCRIPTPATH */
+       if (fields & SAMR_FIELD_LOGON_SCRIPT)
+               acc_required |= SAMR_USER_ACCESS_SET_ATTRIBUTES;
+       /* USER_ALL_PROFILEPATH */
+       if (fields & SAMR_FIELD_PROFILE_PATH)
+               acc_required |= SAMR_USER_ACCESS_SET_ATTRIBUTES;
+       /* USER_ALL_ADMINCOMMENT */
+       if (fields & SAMR_FIELD_COMMENT)
+               acc_required |= SAMR_USER_ACCESS_SET_ATTRIBUTES;
+       /* USER_ALL_WORKSTATIONS */
+       if (fields & SAMR_FIELD_WORKSTATIONS)
+               acc_required |= SAMR_USER_ACCESS_SET_ATTRIBUTES;
+       /* USER_ALL_LOGONHOURS */
+       if (fields & SAMR_FIELD_LOGON_HOURS)
+               acc_required |= SAMR_USER_ACCESS_SET_ATTRIBUTES;
+       /* USER_ALL_ACCOUNTEXPIRES */
+       if (fields & SAMR_FIELD_ACCT_EXPIRY)
+               acc_required |= SAMR_USER_ACCESS_SET_ATTRIBUTES;
+       /* USER_ALL_USERACCOUNTCONTROL */
+       if (fields & SAMR_FIELD_ACCT_FLAGS)
+               acc_required |= SAMR_USER_ACCESS_SET_ATTRIBUTES;
+       /* USER_ALL_PARAMETERS */
+       if (fields & SAMR_FIELD_PARAMETERS)
+               acc_required |= SAMR_USER_ACCESS_SET_ATTRIBUTES;
+       /* USER_ALL_USERCOMMENT */
+       if (fields & SAMR_FIELD_COMMENT)
+               acc_required |= SAMR_USER_ACCESS_SET_LOC_COM;
+       /* USER_ALL_COUNTRYCODE */
+       if (fields & SAMR_FIELD_COUNTRY_CODE)
+               acc_required |= SAMR_USER_ACCESS_SET_LOC_COM;
+       /* USER_ALL_CODEPAGE */
+       if (fields & SAMR_FIELD_CODE_PAGE)
+               acc_required |= SAMR_USER_ACCESS_SET_LOC_COM;
+       /* USER_ALL_NTPASSWORDPRESENT */
+       if (fields & SAMR_FIELD_NT_PASSWORD_PRESENT)
+               acc_required |= SAMR_USER_ACCESS_SET_PASSWORD;
+       /* USER_ALL_LMPASSWORDPRESENT */
+       if (fields & SAMR_FIELD_LM_PASSWORD_PRESENT)
+               acc_required |= SAMR_USER_ACCESS_SET_PASSWORD;
+       /* USER_ALL_PASSWORDEXPIRED */
+       if (fields & SAMR_FIELD_EXPIRED_FLAG)
+               acc_required |= SAMR_USER_ACCESS_SET_PASSWORD;
+
+       return acc_required;
+}
 
 /*******************************************************************
  samr_SetUserInfo
@@ -4657,11 +4922,9 @@ NTSTATUS _samr_SetUserInfo(pipes_struct *p,
        NTSTATUS status;
        struct samu *pwd = NULL;
        union samr_UserInfo *info = r->in.info;
-       uint16_t switch_value = r->in.level;
-       uint32_t acc_required;
+       uint32_t acc_required = 0;
+       uint32_t fields = 0;
        bool ret;
-       bool has_enough_rights = False;
-       uint32_t acb_info;
 
        DEBUG(5,("_samr_SetUserInfo: %d\n", __LINE__));
 
@@ -4672,21 +4935,49 @@ NTSTATUS _samr_SetUserInfo(pipes_struct *p,
          This should be enough for levels 18, 24, 25,& 26.  Info level 23 can set more so
          we'll use the set from the WinXP join as the basis. */
 
-       switch (switch_value) {
-       case 7:
+       switch (r->in.level) {
+       case 2: /* UserPreferencesInformation */
+               /* USER_WRITE_ACCOUNT | USER_WRITE_PREFERENCES */
+               acc_required = SAMR_USER_ACCESS_SET_ATTRIBUTES | SAMR_USER_ACCESS_SET_LOC_COM;
+               break;
+       case 4: /* UserLogonHoursInformation */
+       case 6: /* UserNameInformation */
+       case 7: /* UserAccountNameInformation */
+       case 8: /* UserFullNameInformation */
+       case 9: /* UserPrimaryGroupInformation */
+       case 10: /* UserHomeInformation */
+       case 11: /* UserScriptInformation */
+       case 12: /* UserProfileInformation */
+       case 13: /* UserAdminCommentInformation */
+       case 14: /* UserWorkStationsInformation */
+       case 16: /* UserControlInformation */
+       case 17: /* UserExpiresInformation */
+       case 20: /* UserParametersInformation */
+               /* USER_WRITE_ACCOUNT */
                acc_required = SAMR_USER_ACCESS_SET_ATTRIBUTES;
                break;
-       case 18:
-       case 24:
-       case 25:
-       case 26:
+       case 18: /* UserInternal1Information */
+               /* FIXME: gd, this is a guess */
                acc_required = SAMR_USER_ACCESS_SET_PASSWORD;
                break;
-       default:
-               acc_required = SAMR_USER_ACCESS_SET_PASSWORD |
-                              SAMR_USER_ACCESS_SET_ATTRIBUTES |
-                              SAMR_USER_ACCESS_GET_ATTRIBUTES;
+       case 21: /* UserAllInformation */
+               fields = info->info21.fields_present;
+               acc_required = samr_set_user_info_map_fields_to_access_mask(fields);
                break;
+       case 23: /* UserInternal4Information */
+               fields = info->info23.info.fields_present;
+               acc_required = samr_set_user_info_map_fields_to_access_mask(fields);
+               break;
+       case 25: /* UserInternal4InformationNew */
+               fields = info->info25.info.fields_present;
+               acc_required = samr_set_user_info_map_fields_to_access_mask(fields);
+               break;
+       case 24: /* UserInternal5Information */
+       case 26: /* UserInternal5InformationNew */
+               acc_required = SAMR_USER_ACCESS_SET_PASSWORD;
+               break;
+       default:
+               return NT_STATUS_INVALID_INFO_CLASS;
        }
 
        uinfo = policy_handle_find(p, r->in.user_handle, acc_required, NULL,
@@ -4696,7 +4987,7 @@ NTSTATUS _samr_SetUserInfo(pipes_struct *p,
        }
 
        DEBUG(5, ("_samr_SetUserInfo: sid:%s, level:%d\n",
-                 sid_string_dbg(&uinfo->sid), switch_value));
+                 sid_string_dbg(&uinfo->sid), r->in.level));
 
        if (info == NULL) {
                DEBUG(5, ("_samr_SetUserInfo: NULL info level\n"));
@@ -4716,36 +5007,13 @@ NTSTATUS _samr_SetUserInfo(pipes_struct *p,
                return NT_STATUS_NO_SUCH_USER;
        }
 
-       /* deal with machine password changes differently from userinfo changes */
-       /* check to see if we have the sufficient rights */
-
-       acb_info = pdb_get_acct_ctrl(pwd);
-       if (acb_info & ACB_WSTRUST)
-               has_enough_rights = user_has_privileges(p->server_info->ptok,
-                                                       &se_machine_account);
-       else if (acb_info & ACB_NORMAL)
-               has_enough_rights = user_has_privileges(p->server_info->ptok,
-                                                       &se_add_users);
-       else if (acb_info & (ACB_SVRTRUST|ACB_DOMTRUST)) {
-               if (lp_enable_privileges()) {
-                       has_enough_rights = nt_token_check_domain_rid(p->server_info->ptok,
-                                                                     DOMAIN_GROUP_RID_ADMINS);
-               }
-       }
+       /* ================ BEGIN Privilege BLOCK ================ */
 
-       DEBUG(5, ("_samr_SetUserInfo: %s does%s possess sufficient rights\n",
-                 uidtoname(p->server_info->utok.uid),
-                 has_enough_rights ? "" : " not"));
-
-       /* ================ BEGIN SeMachineAccountPrivilege BLOCK ================ */
-
-       if (has_enough_rights) {
-               become_root();
-       }
+       become_root();
 
        /* ok!  user info levels (lots: see MSDEV help), off we go... */
 
-       switch (switch_value) {
+       switch (r->in.level) {
 
                case 2:
                        status = set_user_info_2(p->mem_ctx,
@@ -4888,11 +5156,9 @@ NTSTATUS _samr_SetUserInfo(pipes_struct *p,
 
        TALLOC_FREE(pwd);
 
-       if (has_enough_rights) {
-               unbecome_root();
-       }
+       unbecome_root();
 
-       /* ================ END SeMachineAccountPrivilege BLOCK ================ */
+       /* ================ END Privilege BLOCK ================ */
 
        if (NT_STATUS_IS_OK(status)) {
                force_flush_samr_cache(&uinfo->sid);
@@ -5108,8 +5374,6 @@ NTSTATUS _samr_AddAliasMember(pipes_struct *p,
                              struct samr_AddAliasMember *r)
 {
        struct samr_alias_info *ainfo;
-       SE_PRIV se_rights;
-       bool can_add_accounts;
        NTSTATUS status;
 
        ainfo = policy_handle_find(p, r->in.alias_handle,
@@ -5121,18 +5385,11 @@ NTSTATUS _samr_AddAliasMember(pipes_struct *p,
 
        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 );
-
        /******** BEGIN SeAddUsers BLOCK *********/
 
-       if ( can_add_accounts )
-               become_root();
-
+       become_root();
        status = pdb_add_aliasmem(&ainfo->sid, r->in.sid);
-
-       if ( can_add_accounts )
-               unbecome_root();
+       unbecome_root();
 
        /******** END SeAddUsers BLOCK *********/
 
@@ -5151,8 +5408,6 @@ NTSTATUS _samr_DeleteAliasMember(pipes_struct *p,
                                 struct samr_DeleteAliasMember *r)
 {
        struct samr_alias_info *ainfo;
-       SE_PRIV se_rights;
-       bool can_add_accounts;
        NTSTATUS status;
 
        ainfo = policy_handle_find(p, r->in.alias_handle,
@@ -5165,18 +5420,11 @@ NTSTATUS _samr_DeleteAliasMember(pipes_struct *p,
        DEBUG(10, ("_samr_del_aliasmem: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 );
-
        /******** BEGIN SeAddUsers BLOCK *********/
 
-       if ( can_add_accounts )
-               become_root();
-
+       become_root();
        status = pdb_del_aliasmem(&ainfo->sid, r->in.sid);
-
-       if ( can_add_accounts )
-               unbecome_root();
+       unbecome_root();
 
        /******** END SeAddUsers BLOCK *********/
 
@@ -5197,8 +5445,6 @@ NTSTATUS _samr_AddGroupMember(pipes_struct *p,
        struct samr_group_info *ginfo;
        NTSTATUS status;
        uint32 group_rid;
-       SE_PRIV se_rights;
-       bool can_add_accounts;
 
        ginfo = policy_handle_find(p, r->in.group_handle,
                                   SAMR_GROUP_ACCESS_ADD_MEMBER, NULL,
@@ -5214,18 +5460,11 @@ NTSTATUS _samr_AddGroupMember(pipes_struct *p,
                return NT_STATUS_INVALID_HANDLE;
        }
 
-       se_priv_copy( &se_rights, &se_add_users );
-       can_add_accounts = user_has_privileges( p->server_info->ptok, &se_rights );
-
        /******** BEGIN SeAddUsers BLOCK *********/
 
-       if ( can_add_accounts )
-               become_root();
-
+       become_root();
        status = pdb_add_groupmem(p->mem_ctx, group_rid, r->in.rid);
-
-       if ( can_add_accounts )
-               unbecome_root();
+       unbecome_root();
 
        /******** END SeAddUsers BLOCK *********/
 
@@ -5245,8 +5484,6 @@ NTSTATUS _samr_DeleteGroupMember(pipes_struct *p,
        struct samr_group_info *ginfo;
        NTSTATUS status;
        uint32 group_rid;
-       SE_PRIV se_rights;
-       bool can_add_accounts;
 
        /*
         * delete the group member named r->in.rid
@@ -5266,18 +5503,11 @@ NTSTATUS _samr_DeleteGroupMember(pipes_struct *p,
                return NT_STATUS_INVALID_HANDLE;
        }
 
-       se_priv_copy( &se_rights, &se_add_users );
-       can_add_accounts = user_has_privileges( p->server_info->ptok, &se_rights );
-
        /******** BEGIN SeAddUsers BLOCK *********/
 
-       if ( can_add_accounts )
-               become_root();
-
+       become_root();
        status = pdb_del_groupmem(p->mem_ctx, group_rid, r->in.rid);
-
-       if ( can_add_accounts )
-               unbecome_root();
+       unbecome_root();
 
        /******** END SeAddUsers BLOCK *********/
 
@@ -5296,8 +5526,6 @@ NTSTATUS _samr_DeleteUser(pipes_struct *p,
        struct samr_user_info *uinfo;
        NTSTATUS status;
        struct samu *sam_pass=NULL;
-       bool can_add_accounts;
-       uint32 acb_info;
        bool ret;
 
        DEBUG(5, ("_samr_DeleteUser: %d\n", __LINE__));
@@ -5321,31 +5549,18 @@ NTSTATUS _samr_DeleteUser(pipes_struct *p,
        ret = pdb_getsampwsid(sam_pass, &uinfo->sid);
        unbecome_root();
 
-       if( !ret ) {
+       if(!ret) {
                DEBUG(5,("_samr_DeleteUser: User %s doesn't exist.\n",
                        sid_string_dbg(&uinfo->sid)));
                TALLOC_FREE(sam_pass);
                return NT_STATUS_NO_SUCH_USER;
        }
 
-       acb_info = pdb_get_acct_ctrl(sam_pass);
-
-       /* For machine accounts it's the SeMachineAccountPrivilege that counts. */
-       if ( acb_info & ACB_WSTRUST ) {
-               can_add_accounts = user_has_privileges( p->server_info->ptok, &se_machine_account );
-       } else {
-               can_add_accounts = user_has_privileges( p->server_info->ptok, &se_add_users );
-       }
-
        /******** BEGIN SeAddUsers BLOCK *********/
 
-       if ( can_add_accounts )
-               become_root();
-
+       become_root();
        status = pdb_delete_user(p->mem_ctx, sam_pass);
-
-       if ( can_add_accounts )
-               unbecome_root();
+       unbecome_root();
 
        /******** END SeAddUsers BLOCK *********/
 
@@ -5380,8 +5595,6 @@ NTSTATUS _samr_DeleteDomainGroup(pipes_struct *p,
        struct samr_group_info *ginfo;
        NTSTATUS status;
        uint32 group_rid;
-       SE_PRIV se_rights;
-       bool can_add_accounts;
 
        DEBUG(5, ("samr_DeleteDomainGroup: %d\n", __LINE__));
 
@@ -5399,18 +5612,11 @@ NTSTATUS _samr_DeleteDomainGroup(pipes_struct *p,
                return NT_STATUS_NO_SUCH_GROUP;
        }
 
-       se_priv_copy( &se_rights, &se_add_users );
-       can_add_accounts = user_has_privileges( p->server_info->ptok, &se_rights );
-
        /******** BEGIN SeAddUsers BLOCK *********/
 
-       if ( can_add_accounts )
-               become_root();
-
+       become_root();
        status = pdb_delete_dom_group(p->mem_ctx, group_rid);
-
-       if ( can_add_accounts )
-               unbecome_root();
+       unbecome_root();
 
        /******** END SeAddUsers BLOCK *********/
 
@@ -5438,8 +5644,6 @@ NTSTATUS _samr_DeleteDomAlias(pipes_struct *p,
                              struct samr_DeleteDomAlias *r)
 {
        struct samr_alias_info *ainfo;
-       SE_PRIV se_rights;
-       bool can_add_accounts;
        NTSTATUS status;
 
        DEBUG(5, ("_samr_DeleteDomAlias: %d\n", __LINE__));
@@ -5464,19 +5668,12 @@ NTSTATUS _samr_DeleteDomAlias(pipes_struct *p,
 
        DEBUG(10, ("lookup on Local SID\n"));
 
-       se_priv_copy( &se_rights, &se_add_users );
-       can_add_accounts = user_has_privileges( p->server_info->ptok, &se_rights );
-
        /******** BEGIN SeAddUsers BLOCK *********/
 
-       if ( can_add_accounts )
-               become_root();
-
+       become_root();
        /* Have passdb delete the alias */
        status = pdb_delete_alias(&ainfo->sid);
-
-       if ( can_add_accounts )
-               unbecome_root();
+       unbecome_root();
 
        /******** END SeAddUsers BLOCK *********/
 
@@ -5503,8 +5700,6 @@ NTSTATUS _samr_CreateDomainGroup(pipes_struct *p,
        const char *name;
        struct samr_domain_info *dinfo;
        struct samr_group_info *ginfo;
-       SE_PRIV se_rights;
-       bool can_add_accounts;
 
        dinfo = policy_handle_find(p, r->in.domain_handle,
                                   SAMR_DOMAIN_ACCESS_CREATE_GROUP, NULL,
@@ -5526,20 +5721,12 @@ NTSTATUS _samr_CreateDomainGroup(pipes_struct *p,
                return status;
        }
 
-       se_priv_copy( &se_rights, &se_add_users );
-       can_add_accounts = user_has_privileges( p->server_info->ptok, &se_rights );
-
        /******** BEGIN SeAddUsers BLOCK *********/
 
-       if ( can_add_accounts )
-               become_root();
-
+       become_root();
        /* check that we successfully create the UNIX group */
-
        status = pdb_create_dom_group(p->mem_ctx, name, r->out.rid);
-
-       if ( can_add_accounts )
-               unbecome_root();
+       unbecome_root();
 
        /******** END SeAddUsers BLOCK *********/
 
@@ -5574,8 +5761,6 @@ NTSTATUS _samr_CreateDomAlias(pipes_struct *p,
        struct samr_alias_info *ainfo;
        gid_t gid;
        NTSTATUS result;
-       SE_PRIV se_rights;
-       bool can_add_accounts;
 
        dinfo = policy_handle_find(p, r->in.domain_handle,
                                   SAMR_DOMAIN_ACCESS_CREATE_ALIAS, NULL,
@@ -5589,9 +5774,6 @@ NTSTATUS _samr_CreateDomAlias(pipes_struct *p,
 
        name = r->in.alias_name->string;
 
-       se_priv_copy( &se_rights, &se_add_users );
-       can_add_accounts = user_has_privileges( p->server_info->ptok, &se_rights );
-
        result = can_create(p->mem_ctx, name);
        if (!NT_STATUS_IS_OK(result)) {
                return result;
@@ -5599,14 +5781,10 @@ NTSTATUS _samr_CreateDomAlias(pipes_struct *p,
 
        /******** BEGIN SeAddUsers BLOCK *********/
 
-       if ( can_add_accounts )
-               become_root();
-
+       become_root();
        /* Have passdb create the alias */
        result = pdb_create_alias(name, r->out.rid);
-
-       if ( can_add_accounts )
-               unbecome_root();
+       unbecome_root();
 
        /******** END SeAddUsers BLOCK *********/
 
@@ -5625,8 +5803,8 @@ NTSTATUS _samr_CreateDomAlias(pipes_struct *p,
 
        /* check if the group has been successfully created */
        if ( getgrgid(gid) == NULL ) {
-               DEBUG(10, ("getgrgid(%d) of just created alias failed\n",
-                          gid));
+               DEBUG(10, ("getgrgid(%u) of just created alias failed\n",
+                          (unsigned int)gid));
                return NT_STATUS_ACCESS_DENIED;
        }
 
@@ -5757,7 +5935,6 @@ NTSTATUS _samr_SetGroupInfo(pipes_struct *p,
        GROUP_MAP map;
        NTSTATUS status;
        bool ret;
-       bool can_mod_accounts;
 
        ginfo = policy_handle_find(p, r->in.group_handle,
                                   SAMR_GROUP_ACCESS_SET_INFO, NULL,
@@ -5786,17 +5963,11 @@ NTSTATUS _samr_SetGroupInfo(pipes_struct *p,
                        return NT_STATUS_INVALID_INFO_CLASS;
        }
 
-       can_mod_accounts = user_has_privileges( p->server_info->ptok, &se_add_users );
-
        /******** BEGIN SeAddUsers BLOCK *********/
 
-       if ( can_mod_accounts )
-               become_root();
-
+       become_root();
        status = pdb_update_group_mapping_entry(&map);
-
-       if ( can_mod_accounts )
-               unbecome_root();
+       unbecome_root();
 
        /******** End SeAddUsers BLOCK *********/
 
@@ -5816,7 +5987,6 @@ NTSTATUS _samr_SetAliasInfo(pipes_struct *p,
 {
        struct samr_alias_info *ainfo;
        struct acct_info info;
-       bool can_mod_accounts;
        NTSTATUS status;
 
        ainfo = policy_handle_find(p, r->in.alias_handle,
@@ -5883,17 +6053,11 @@ NTSTATUS _samr_SetAliasInfo(pipes_struct *p,
                        return NT_STATUS_INVALID_INFO_CLASS;
        }
 
-        can_mod_accounts = user_has_privileges( p->server_info->ptok, &se_add_users );
-
         /******** BEGIN SeAddUsers BLOCK *********/
 
-        if ( can_mod_accounts )
-                become_root();
-
+       become_root();
         status = pdb_set_aliasinfo( &ainfo->sid, &info );
-
-        if ( can_mod_accounts )
-                unbecome_root();
+       unbecome_root();
 
         /******** End SeAddUsers BLOCK *********/
 
@@ -5974,9 +6138,9 @@ NTSTATUS _samr_OpenGroup(pipes_struct *p,
 
        se_priv_copy( &se_rights, &se_add_users );
 
-       status = access_check_samr_object(psd, p->server_info->ptok,
-               &se_rights, GENERIC_RIGHTS_GROUP_WRITE, des_access,
-               &acc_granted, "_samr_OpenGroup");
+       status = access_check_object(psd, p->server_info->ptok,
+               &se_rights, GENERIC_RIGHTS_GROUP_ALL_ACCESS,
+               des_access, &acc_granted, "_samr_OpenGroup");
 
        if ( !NT_STATUS_IS_OK(status) )
                return status;
@@ -5999,7 +6163,7 @@ NTSTATUS _samr_OpenGroup(pipes_struct *p,
                return NT_STATUS_NO_SUCH_GROUP;
 
        ginfo = policy_handle_create(p, r->out.group_handle,
-                                    GENERIC_RIGHTS_GROUP_ALL_ACCESS,
+                                    acc_granted,
                                     struct samr_group_info, &status);
         if (!NT_STATUS_IS_OK(status)) {
                 return status;
@@ -6025,7 +6189,7 @@ NTSTATUS _samr_RemoveMemberFromForeignDomain(pipes_struct *p,
        /* Find the policy handle. Open a policy on it. */
 
        dinfo = policy_handle_find(p, r->in.domain_handle,
-                                  STD_RIGHT_DELETE_ACCESS, NULL,
+                                  SAMR_DOMAIN_ACCESS_OPEN_ACCOUNT, NULL,
                                   struct samr_domain_info, &result);
        if (!NT_STATUS_IS_OK(result)) {
                return result;
@@ -6093,18 +6257,33 @@ NTSTATUS _samr_SetDomainInfo(pipes_struct *p,
        time_t u_logout;
        time_t u_lock_duration, u_reset_time;
        NTSTATUS result;
+       uint32_t acc_required = 0;
 
        DEBUG(5,("_samr_SetDomainInfo: %d\n", __LINE__));
 
-       /* We do have different access bits for info
-        * levels here, but we're really just looking for
-        * GENERIC_RIGHTS_DOMAIN_WRITE access. Unfortunately
-        * this maps to different specific bits. So
-        * assume if we have SAMR_DOMAIN_ACCESS_SET_INFO_1
-        * set we are ok. */
+       switch (r->in.level) {
+       case 1: /* DomainPasswordInformation */
+       case 12: /* DomainLockoutInformation */
+               /* DOMAIN_WRITE_PASSWORD_PARAMETERS */
+               acc_required = SAMR_DOMAIN_ACCESS_SET_INFO_1;
+               break;
+       case 3: /* DomainLogoffInformation */
+       case 4: /* DomainOemInformation */
+               /* DOMAIN_WRITE_OTHER_PARAMETERS */
+               acc_required = SAMR_DOMAIN_ACCESS_SET_INFO_2;
+               break;
+       case 6: /* DomainReplicationInformation */
+       case 9: /* DomainStateInformation */
+       case 7: /* DomainServerRoleInformation */
+               /* DOMAIN_ADMINISTER_SERVER */
+               acc_required = SAMR_DOMAIN_ACCESS_SET_INFO_3;
+               break;
+       default:
+               return NT_STATUS_INVALID_INFO_CLASS;
+       }
 
        dinfo = policy_handle_find(p, r->in.domain_handle,
-                                  SAMR_DOMAIN_ACCESS_SET_INFO_1, NULL,
+                                  acc_required, NULL,
                                   struct samr_domain_info, &result);
        if (!NT_STATUS_IS_OK(result)) {
                return result;
@@ -6113,7 +6292,7 @@ NTSTATUS _samr_SetDomainInfo(pipes_struct *p,
        DEBUG(5,("_samr_SetDomainInfo: level: %d\n", r->in.level));
 
        switch (r->in.level) {
-               case 0x01:
+               case 1:
                        u_expire=nt_time_to_unix_abs((NTTIME *)&r->in.info->info1.max_password_age);
                        u_min_age=nt_time_to_unix_abs((NTTIME *)&r->in.info->info1.min_password_age);
                        pdb_set_account_policy(AP_MIN_PASSWORD_LEN, (uint32)r->in.info->info1.min_password_length);
@@ -6122,19 +6301,19 @@ NTSTATUS _samr_SetDomainInfo(pipes_struct *p,
                        pdb_set_account_policy(AP_MAX_PASSWORD_AGE, (int)u_expire);
                        pdb_set_account_policy(AP_MIN_PASSWORD_AGE, (int)u_min_age);
                        break;
-               case 0x03:
+               case 3:
                        u_logout=nt_time_to_unix_abs((NTTIME *)&r->in.info->info3.force_logoff_time);
                        pdb_set_account_policy(AP_TIME_TO_LOGOUT, (int)u_logout);
                        break;
-               case 0x04:
+               case 4:
                        break;
-               case 0x06:
+               case 6:
                        break;
-               case 0x07:
+               case 7:
                        break;
-               case 0x09:
+               case 9:
                        break;
-               case 0x0c:
+               case 12:
                        u_lock_duration=nt_time_to_unix_abs((NTTIME *)&r->in.info->info12.lockout_duration);
                        if (u_lock_duration != -1)
                                u_lock_duration /= 60;