Fix up an embarrsing bug I introduced when I moved the id21/id23 -> SAM_ACCOUNT
[ira/wip.git] / source3 / passdb / passdb.c
index 0e1ebf8a2848e22414991637a59d683462bf4d8e..c014c3221f7c9e4bf8ed160d64c9a6442ea99970 100644 (file)
@@ -1,10 +1,11 @@
 /* 
    Unix SMB/Netbios implementation.
-   Version 1.9.
+   Version 3.0
    Password and authentication handling
    Copyright (C) Jeremy Allison                1996-2001
    Copyright (C) Luke Kenneth Casson Leighton  1996-1998
    Copyright (C) Gerald (Jerry) Carter         2000-2001
+   Copyright (C) Andrew Bartlett               2001-2002
       
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -52,71 +53,119 @@ BOOL initialize_password_db(BOOL reload)
        
 }
 
-/*************************************************************
- Initialises a struct sam_disp_info.
- **************************************************************/
-
-static void pdb_init_dispinfo(struct sam_disp_info *user)
-{
-       if (user == NULL) 
-               return;
-       ZERO_STRUCTP(user);
-}
-
 
 /************************************************************
  Fill the SAM_ACCOUNT with default values.
  ***********************************************************/
 
-static BOOL pdb_fill_default_sam(SAM_ACCOUNT *user)
+static void pdb_fill_default_sam(SAM_ACCOUNT *user)
+{
+       ZERO_STRUCT(user->private); /* Don't touch the talloc context */
+
+        /* Don't change these timestamp settings without a good reason.
+           They are important for NT member server compatibility. */
+
+       user->private.init_flag             = FLAG_SAM_UNINIT;
+       user->private.uid = user->private.gid       = -1;
+
+       user->private.logon_time            = (time_t)0;
+       user->private.pass_last_set_time    = (time_t)0;
+       user->private.pass_can_change_time  = (time_t)0;
+       user->private.logoff_time           = 
+       user->private.kickoff_time          = 
+       user->private.pass_must_change_time = get_time_t_max();
+       user->private.unknown_3 = 0x00ffffff;   /* don't know */
+       user->private.logon_divs = 168;         /* hours per week */
+       user->private.hours_len = 21;           /* 21 times 8 bits = 168 */
+       memset(user->private.hours, 0xff, user->private.hours_len); /* available at all hours */
+       user->private.unknown_5 = 0x00000000; /* don't know */
+       user->private.unknown_6 = 0x000004ec; /* don't know */
+
+       /* Some parts of samba strlen their pdb_get...() returns, 
+          so this keeps the interface unchanged for now. */
+          
+       user->private.username = "";
+       user->private.domain = "";
+       user->private.nt_username = "";
+       user->private.full_name = "";
+       user->private.home_dir = "";
+       user->private.logon_script = "";
+       user->private.profile_path = "";
+       user->private.acct_desc = "";
+       user->private.workstations = "";
+       user->private.unknown_str = "";
+       user->private.munged_dial = "";
+}      
+
+static void destroy_pdb_talloc(SAM_ACCOUNT **user) 
 {
-       if (user == NULL) {
-               DEBUG(0,("pdb_fill_default_sam: SAM_ACCOUNT was NULL\n"));
-               return False;
+       if (*user) {
+               talloc_destroy((*user)->mem_ctx);
+               *user = NULL;
        }
-       
-       ZERO_STRUCTP(user);
-       user->logon_time            = (time_t)0;
-       user->pass_last_set_time    = (time_t)0;
-       user->pass_can_change_time  = (time_t)0;
-       user->logoff_time           = 
-       user->kickoff_time          = 
-       user->pass_must_change_time = get_time_t_max();
-
-       user->unknown_3 = 0x00ffffff;   /* don't know */
-       user->logon_divs = 168;         /* hours per week */
-       user->hours_len = 21;           /* 21 times 8 bits = 168 */
-       memset(user->hours, 0xff, user->hours_len); /* available at all hours */
-       user->unknown_5 = 0x00000000; /* don't know */
-       user->unknown_6 = 0x000004ec; /* don't know */
-       return True;
-}      
+}
 
 
-/*************************************************************
- Alloc memory and initialises a struct sam_passwd.
- ************************************************************/
+/**********************************************************************
+ Alloc memory and initialises a struct sam_passwd on supplied mem_ctx.
+***********************************************************************/
 
-BOOL pdb_init_sam(SAM_ACCOUNT **user)
+NTSTATUS pdb_init_sam_talloc(TALLOC_CTX *mem_ctx, SAM_ACCOUNT **user)
 {
        if (*user != NULL) {
                DEBUG(0,("pdb_init_sam: SAM_ACCOUNT was non NULL\n"));
 #if 0
                smb_panic("NULL pointer passed to pdb_init_sam\n");
 #endif
-               return False;
+               return NT_STATUS_UNSUCCESSFUL;
        }
-       
-       *user=(SAM_ACCOUNT *)malloc(sizeof(SAM_ACCOUNT));
-       
+
+       if (!mem_ctx) {
+               DEBUG(0,("pdb_init_sam_talloc: mem_ctx was NULL!\n"));
+               return NT_STATUS_UNSUCCESSFUL;
+       }
+
+       *user=(SAM_ACCOUNT *)talloc(mem_ctx, sizeof(SAM_ACCOUNT));
+
        if (*user==NULL) {
                DEBUG(0,("pdb_init_sam: error while allocating memory\n"));
-               return False;
+               return NT_STATUS_NO_MEMORY;
        }
 
+       (*user)->mem_ctx = mem_ctx;
+
+       (*user)->free_fn = NULL;
+
        pdb_fill_default_sam(*user);
+       
+       return NT_STATUS_OK;
+}
 
-       return True;
+
+/*************************************************************
+ Alloc memory and initialises a struct sam_passwd.
+ ************************************************************/
+
+NTSTATUS pdb_init_sam(SAM_ACCOUNT **user)
+{
+       TALLOC_CTX *mem_ctx;
+       NTSTATUS nt_status;
+       
+       mem_ctx = talloc_init_named("passdb internal SAM_ACCOUNT allocation");
+
+       if (!mem_ctx) {
+               DEBUG(0,("pdb_init_sam: error while doing talloc_init()\n"));
+               return NT_STATUS_NO_MEMORY;
+       }
+
+       if (!NT_STATUS_IS_OK(nt_status = pdb_init_sam_talloc(mem_ctx, user))) {
+               talloc_destroy(mem_ctx);
+               return nt_status;
+       }
+       
+       (*user)->free_fn = destroy_pdb_talloc;
+
+       return NT_STATUS_OK;
 }
 
 
@@ -124,125 +173,125 @@ BOOL pdb_init_sam(SAM_ACCOUNT **user)
  Initialises a struct sam_passwd with sane values.
  ************************************************************/
 
-BOOL pdb_init_sam_pw(SAM_ACCOUNT **new_sam_acct, struct passwd *pwd)
+NTSTATUS pdb_init_sam_pw(SAM_ACCOUNT **new_sam_acct, const struct passwd *pwd)
 {
+       pstring str;
+       GROUP_MAP map;
+       uint32 rid;
+       NTSTATUS nt_status;
+
        if (!pwd) {
                new_sam_acct = NULL;
-               return False;
+               return NT_STATUS_UNSUCCESSFUL;
        }
 
-       if (!pdb_init_sam(new_sam_acct)) {
+       if (!NT_STATUS_IS_OK(nt_status = pdb_init_sam(new_sam_acct))) {
                new_sam_acct = NULL;
-               return False;
+               return nt_status;
        }
 
        pdb_set_username(*new_sam_acct, pwd->pw_name);
        pdb_set_fullname(*new_sam_acct, pwd->pw_gecos);
+
        pdb_set_uid(*new_sam_acct, pwd->pw_uid);
        pdb_set_gid(*new_sam_acct, pwd->pw_gid);
-       pdb_set_profile_path(*new_sam_acct, lp_logon_path());
-       pdb_set_homedir(*new_sam_acct, lp_logon_home());
-       pdb_set_dir_drive(*new_sam_acct, lp_logon_drive());
-       pdb_set_logon_script(*new_sam_acct, lp_logon_script());
-       return True;
+       
+       pdb_set_user_rid(*new_sam_acct, pdb_uid_to_user_rid(pwd->pw_uid));
+
+       /* call the mapping code here */
+       if(get_group_map_from_gid(pwd->pw_gid, &map, MAPPING_WITHOUT_PRIV)) {
+               sid_peek_rid(&map.sid, &rid);
+       } 
+       else {
+               rid=pdb_gid_to_group_rid(pwd->pw_gid);
+       }
+               
+       pdb_set_group_rid(*new_sam_acct, rid);
+
+       pstrcpy(str, lp_logon_path());
+       standard_sub_advanced(-1, pwd->pw_name, "", pwd->pw_gid, pwd->pw_name, str);
+       pdb_set_profile_path(*new_sam_acct, str, False);
+       
+       pstrcpy(str, lp_logon_home());
+       standard_sub_advanced(-1, pwd->pw_name, "", pwd->pw_gid, pwd->pw_name, str);
+       pdb_set_homedir(*new_sam_acct, str, False);
+       
+       pstrcpy(str, lp_logon_drive());
+       standard_sub_advanced(-1, pwd->pw_name, "", pwd->pw_gid, pwd->pw_name, str);
+       pdb_set_dir_drive(*new_sam_acct, str, False);
+
+       pstrcpy(str, lp_logon_script());
+       standard_sub_advanced(-1, pwd->pw_name, "", pwd->pw_gid, pwd->pw_name, str);
+       pdb_set_logon_script(*new_sam_acct, str, False);
+       
+       return NT_STATUS_OK;
 }
 
 
-/************************************************************
- Free the NT/LM hashes only.
- ***********************************************************/
+/**
+ * Free the contets of the SAM_ACCOUNT, but not the structure.
+ *
+ * Also wipes the LM and NT hashes from memory.
+ *
+ * @param user SAM_ACCOUNT to free members of.
+ **/
 
-static BOOL pdb_free_sam_contents(SAM_ACCOUNT *user)
+static void pdb_free_sam_contents(SAM_ACCOUNT *user)
 {
-       if (user == NULL) {
-               DEBUG(0,("pdb_free_sam_contents: SAM_ACCOUNT was NULL\n"));
-#if 0
-               smb_panic("NULL pointer passed to pdb_free_sam_contents\n");
-#endif
-               return False;
-       }
-
        /* As we start mallocing more strings this is where  
           we should free them. */
 
-       SAFE_FREE(user->nt_pw);
-       SAFE_FREE(user->lm_pw);
-       
-       return True;    
+       data_blob_clear_free(&(user->private.lm_pw));
+       data_blob_clear_free(&(user->private.nt_pw));
 }
 
 
 /************************************************************
  Reset the SAM_ACCOUNT and free the NT/LM hashes.
-  - note: they are not zero'ed out however.
  ***********************************************************/
 
-BOOL pdb_reset_sam(SAM_ACCOUNT *user)
+NTSTATUS pdb_reset_sam(SAM_ACCOUNT *user)
 {
        if (user == NULL) {
                DEBUG(0,("pdb_reset_sam: SAM_ACCOUNT was NULL\n"));
 #if 0
                smb_panic("NULL pointer passed to pdb_free_sam\n");
 #endif
-               return False;
+               return NT_STATUS_UNSUCCESSFUL;
        }
        
-       if (!pdb_free_sam_contents(user)) {
-               return False;
-       }
+       pdb_free_sam_contents(user);
 
-       if (!pdb_fill_default_sam(user)) {
-               return False;
-       }
+       pdb_fill_default_sam(user);
 
-       return True;
+       return NT_STATUS_OK;
 }
 
 
 /************************************************************
- Free the SAM_ACCOUNT and the NT/LM hashes.
+ Free the SAM_ACCOUNT and the member pointers.
  ***********************************************************/
 
-BOOL pdb_free_sam(SAM_ACCOUNT **user)
+NTSTATUS pdb_free_sam(SAM_ACCOUNT **user)
 {
        if (*user == NULL) {
                DEBUG(0,("pdb_free_sam: SAM_ACCOUNT was NULL\n"));
 #if 0
                smb_panic("NULL pointer passed to pdb_free_sam\n");
 #endif
-               return False;
+               return NT_STATUS_UNSUCCESSFUL;
        }
 
-       if (!pdb_free_sam_contents(*user)) {
-               return False;
+       pdb_free_sam_contents(*user);
+       
+       if ((*user)->free_fn) {
+               (*user)->free_fn(user);
        }
 
-       SAFE_FREE(*user);
-       
-       return True;    
+       return NT_STATUS_OK;    
 }
 
 
-/*************************************************************************
- Routine to return the next entry in the sam passwd list.
- *************************************************************************/
-
-struct sam_disp_info *pdb_sam_to_dispinfo(SAM_ACCOUNT *user)
-{
-       static struct sam_disp_info disp_info;
-
-       if (user == NULL) 
-               return NULL;
-
-       pdb_init_dispinfo(&disp_info);
-
-       disp_info.smb_name  = user->username;
-       disp_info.full_name = user->full_name;
-       disp_info.user_rid  = user->user_rid;
-
-       return &disp_info;
-}
-
 /**********************************************************
  Encode the account control bits into a string.
  length = length of string to encode into (including terminating
@@ -324,7 +373,7 @@ uint16 pdb_decode_acct_ctrl(const char *p)
  Routine to set 32 hex password characters from a 16 byte array.
 **************************************************************/
 
-void pdb_sethexpwd(char *p, unsigned char *pwd, uint16 acct_ctrl)
+void pdb_sethexpwd(char *p, const unsigned char *pwd, uint16 acct_ctrl)
 {
        if (pwd != NULL) {
                int i;
@@ -343,7 +392,7 @@ void pdb_sethexpwd(char *p, unsigned char *pwd, uint16 acct_ctrl)
  into a 16 byte array.
 **************************************************************/
 
-BOOL pdb_gethexpwd(char *p, unsigned char *pwd)
+BOOL pdb_gethexpwd(const char *p, unsigned char *pwd)
 {
        int i;
        unsigned char   lonybble, hinybble;
@@ -375,9 +424,10 @@ BOOL pdb_gethexpwd(char *p, unsigned char *pwd)
  Group and User RID username mapping function
  ********************************************************************/
 
-BOOL pdb_name_to_rid(char *user_name, uint32 *u_rid, uint32 *g_rid)
+BOOL pdb_name_to_rid(const char *user_name, uint32 *u_rid, uint32 *g_rid)
 {
-       struct passwd *pw = Get_Pwnam(user_name, False);
+       GROUP_MAP map;
+       struct passwd *pw = Get_Pwnam(user_name);
 
        if (u_rid == NULL || g_rid == NULL || user_name == NULL)
                return False;
@@ -392,7 +442,11 @@ BOOL pdb_name_to_rid(char *user_name, uint32 *u_rid, uint32 *g_rid)
        *u_rid = pdb_uid_to_user_rid(pw->pw_uid);
 
        /* absolutely no idea what to do about the unix GID to Domain RID mapping */
-       *g_rid = pdb_gid_to_group_rid(pw->pw_gid);
+       /* map it ! */
+       if (get_group_map_from_gid(pw->pw_gid, &map, MAPPING_WITHOUT_PRIV)) {
+               sid_peek_rid(&map.sid, g_rid);
+       } else 
+               *g_rid = pdb_gid_to_group_rid(pw->pw_gid);
 
        return True;
 }
@@ -406,13 +460,14 @@ uid_t pdb_user_rid_to_uid(uint32 user_rid)
        return (uid_t)(((user_rid & (~USER_RID_TYPE))- 1000)/RID_MULTIPLIER);
 }
 
+
 /*******************************************************************
- Converts NT user RID to a UNIX gid.
+ Converts NT group RID to a UNIX gid.
  ********************************************************************/
 
-gid_t pdb_user_rid_to_gid(uint32 user_rid)
+gid_t pdb_group_rid_to_gid(uint32 group_rid)
 {
-       return (uid_t)(((user_rid & (~GROUP_RID_TYPE))- 1000)/RID_MULTIPLIER);
+       return (gid_t)(((group_rid & (~GROUP_RID_TYPE))- 1000)/RID_MULTIPLIER);
 }
 
 /*******************************************************************
@@ -426,6 +481,10 @@ uint32 pdb_uid_to_user_rid(uid_t uid)
 
 /*******************************************************************
  converts NT Group RID to a UNIX uid.
+ warning: you must not call that function only
+ you must do a call to the group mapping first.
+ there is not anymore a direct link between the gid and the rid.
  ********************************************************************/
 
 uint32 pdb_gid_to_group_rid(gid_t gid)
@@ -469,22 +528,29 @@ BOOL pdb_rid_is_user(uint32 rid)
  Convert a rid into a name. Used in the lookup SID rpc.
  ********************************************************************/
 
-BOOL local_lookup_rid(uint32 rid, char *name, enum SID_NAME_USE *psid_name_use)
+BOOL local_lookup_sid(DOM_SID *sid, char *name, enum SID_NAME_USE *psid_name_use)
 {
-       BOOL is_user = pdb_rid_is_user(rid);
+       uint32 rid;
+       BOOL is_user;
+
+       sid_peek_rid(sid, &rid);
+       is_user = pdb_rid_is_user(rid);
+       *psid_name_use = SID_NAME_UNKNOWN;
 
-       DEBUG(5,("local_lookup_rid: looking up %s RID %u.\n", is_user ? "user" :
+       DEBUG(5,("local_lookup_sid: looking up %s RID %u.\n", is_user ? "user" :
                        "group", (unsigned int)rid));
 
        if(is_user) {
                if(rid == DOMAIN_USER_RID_ADMIN) {
                        pstring admin_users;
                        char *p = admin_users;
+                       *psid_name_use = SID_NAME_USER;
                        if(!next_token(&p, name, NULL, sizeof(fstring)))
                                fstrcpy(name, "Administrator");
                } else if (rid == DOMAIN_USER_RID_GUEST) {
                        pstring guest_users;
                        char *p = guest_users;
+                       *psid_name_use = SID_NAME_USER;
                        if(!next_token(&p, name, NULL, sizeof(fstring)))
                                fstrcpy(name, "Guest");
                } else {
@@ -503,7 +569,7 @@ BOOL local_lookup_rid(uint32 rid, char *name, enum SID_NAME_USE *psid_name_use)
 
                        *psid_name_use = SID_NAME_USER;
 
-                       DEBUG(5,("local_lookup_rid: looking up uid %u %s\n", (unsigned int)uid,
+                       DEBUG(5,("local_lookup_sid: looking up uid %u %s\n", (unsigned int)uid,
                                pass ? "succeeded" : "failed" ));
 
                        if(!pass) {
@@ -513,14 +579,15 @@ BOOL local_lookup_rid(uint32 rid, char *name, enum SID_NAME_USE *psid_name_use)
 
                        fstrcpy(name, pass->pw_name);
 
-                       DEBUG(5,("local_lookup_rid: found user %s for rid %u\n", name,
+                       DEBUG(5,("local_lookup_sid: found user %s for rid %u\n", name,
                                (unsigned int)rid ));
                }
 
        } else {
                gid_t gid;
                struct group *gr; 
-
+               GROUP_MAP map;
+               
                /* 
                 * Don't try to convert the rid to a name if running
                 * in appliance mode
@@ -528,23 +595,33 @@ BOOL local_lookup_rid(uint32 rid, char *name, enum SID_NAME_USE *psid_name_use)
                
                if (lp_hide_local_users()) 
                        return False;
+
+               /* check if it's a mapped group */
+               if (get_group_map_from_sid(*sid, &map, MAPPING_WITHOUT_PRIV)) {
+                       if (map.gid!=-1) {
+                               DEBUG(5,("local_lookup_sid: mapped group %s to gid %u\n", map.nt_name, (unsigned int)map.gid));
+                               fstrcpy(name, map.nt_name);
+                               *psid_name_use = map.sid_name_use;
+                               return True;
+                       }
+               }
                
-               gid = pdb_user_rid_to_gid(rid);
+               gid = pdb_group_rid_to_gid(rid);
                gr = getgrgid(gid);
 
                *psid_name_use = SID_NAME_ALIAS;
 
-               DEBUG(5,("local_local_rid: looking up gid %u %s\n", (unsigned int)gid,
+               DEBUG(5,("local_lookup_sid: looking up gid %u %s\n", (unsigned int)gid,
                        gr ? "succeeded" : "failed" ));
 
                if(!gr) {
                        slprintf(name, sizeof(fstring)-1, "unix_group.%u", (unsigned int)gid);
-                       return True;
+                       return False;
                }
 
                fstrcpy( name, gr->gr_name);
 
-               DEBUG(5,("local_lookup_rid: found group %s for rid %u\n", name,
+               DEBUG(5,("local_lookup_sid: found group %s for rid %u\n", name,
                        (unsigned int)rid ));
        }
 
@@ -563,6 +640,8 @@ BOOL local_lookup_name(const char *c_domain, const char *c_user, DOM_SID *psid,
        fstring user;
        fstring domain;
 
+       *psid_name_use = SID_NAME_UNKNOWN;
+
        /*
         * domain and user may be quoted const strings, and map_username and
         * friends can modify them. Make a modifiable copy. JRA.
@@ -592,20 +671,51 @@ BOOL local_lookup_name(const char *c_domain, const char *c_user, DOM_SID *psid,
 
        (void)map_username(user);
 
-       if((pass = Get_Pwnam(user, False))) {
+       if((pass = Get_Pwnam(user))) {
                sid_append_rid( &local_sid, pdb_uid_to_user_rid(pass->pw_uid));
                *psid_name_use = SID_NAME_USER;
        } else {
                /*
                 * Maybe it was a group ?
                 */
-               struct group *grp = getgrnam(user);
+               struct group *grp;
+               GROUP_MAP map;
+               
+               /* check if it's a mapped group */
+               if (get_group_map_from_ntname(user, &map, MAPPING_WITHOUT_PRIV)) {
+                       if (map.gid!=-1) {
+                               /* yes it's a mapped group to a valid unix group */
+                               sid_copy(&local_sid, &map.sid);
+                               *psid_name_use = map.sid_name_use;
+                       }
+                       else
+                               /* it's a correct name but not mapped so it points to nothing*/
+                               return False;
+               } else {
+                       /* it's not a mapped group */
+                       grp = getgrnam(user);
+                       if(!grp)
+                               return False;
 
-               if(!grp)
-                       return False;
+                       /* 
+                        *check if it's mapped, if it is reply it doesn't exist
+                        *
+                        * that's to prevent this case:
+                        *
+                        * unix group ug is mapped to nt group ng
+                        * someone does a lookup on ug
+                        * we must not reply as it doesn't "exist" anymore
+                        * for NT. For NT only ng exists.
+                        * JFM, 30/11/2001
+                        */
+                       
+                       if(get_group_map_from_gid(grp->gr_gid, &map, MAPPING_WITHOUT_PRIV)){
+                               return False;
+                       }
 
-               sid_append_rid( &local_sid, pdb_gid_to_group_rid(grp->gr_gid));
-               *psid_name_use = SID_NAME_ALIAS;
+                       sid_append_rid( &local_sid, pdb_gid_to_group_rid(grp->gr_gid));
+                       *psid_name_use = SID_NAME_ALIAS;
+               }
        }
 
        sid_copy( psid, &local_sid);
@@ -660,12 +770,16 @@ BOOL local_sid_to_uid(uid_t *puid, DOM_SID *psid, enum SID_NAME_USE *name_type)
        /*
         * Ensure this uid really does exist.
         */
-       if(!(pass = sys_getpwuid(*puid)))
+       if(!(pass = getpwuid_alloc(*puid)))
                return False;
 
        DEBUG(10,("local_sid_to_uid: SID %s -> uid (%u) (%s).\n", sid_to_string( str, psid),
                (unsigned int)*puid, pass->pw_name ));
 
+       passwd_free(&pass);
+
+       *name_type = SID_NAME_USER;
+
        return True;
 }
 
@@ -675,10 +789,17 @@ BOOL local_sid_to_uid(uid_t *puid, DOM_SID *psid, enum SID_NAME_USE *name_type)
 
 DOM_SID *local_gid_to_sid(DOM_SID *psid, gid_t gid)
 {
-    extern DOM_SID global_sam_sid;
+       extern DOM_SID global_sam_sid;
+       GROUP_MAP map;
 
        sid_copy(psid, &global_sam_sid);
-       sid_append_rid(psid, pdb_gid_to_group_rid(gid));
+       
+       if (get_group_map_from_gid(gid, &map, MAPPING_WITHOUT_PRIV)) {
+               sid_copy(psid, &map.sid);
+       }
+       else {
+               sid_append_rid(psid, pdb_gid_to_group_rid(gid));
+       }
 
        return psid;
 }
@@ -689,11 +810,12 @@ DOM_SID *local_gid_to_sid(DOM_SID *psid, gid_t gid)
 
 BOOL local_sid_to_gid(gid_t *pgid, DOM_SID *psid, enum SID_NAME_USE *name_type)
 {
-    extern DOM_SID global_sam_sid;
+       extern DOM_SID global_sam_sid;
        DOM_SID dom_sid;
        uint32 rid;
        fstring str;
        struct group *grp;
+       GROUP_MAP map;
 
        *name_type = SID_NAME_UNKNOWN;
 
@@ -703,6 +825,8 @@ BOOL local_sid_to_gid(gid_t *pgid, DOM_SID *psid, enum SID_NAME_USE *name_type)
        /*
         * We can only convert to a gid if this is our local
         * Domain SID (ie. we are the controling authority).
+        *
+        * Or in the Builtin SID too. JFM, 11/30/2001
         */
 
        if (!sid_equal(&global_sam_sid, &dom_sid))
@@ -711,7 +835,19 @@ BOOL local_sid_to_gid(gid_t *pgid, DOM_SID *psid, enum SID_NAME_USE *name_type)
        if (pdb_rid_is_user(rid))
                return False;
 
-       *pgid = pdb_user_rid_to_gid(rid);
+       if (get_group_map_from_sid(*psid, &map, MAPPING_WITHOUT_PRIV)) {
+               
+               /* the SID is in the mapping table but not mapped */
+               if (map.gid==-1)
+                       return False;
+
+               sid_peek_rid(&map.sid, &rid);
+               *pgid = rid;
+               *name_type = map.sid_name_use;
+       } else {
+               *pgid = pdb_group_rid_to_gid(rid);
+               *name_type = SID_NAME_ALIAS;
+       }
 
        /*
         * Ensure this gid really does exist.
@@ -726,10 +862,21 @@ BOOL local_sid_to_gid(gid_t *pgid, DOM_SID *psid, enum SID_NAME_USE *name_type)
        return True;
 }
 
-static void select_name(pstring string, const UNISTR2 *from)
+/** 
+ * Quick hack to do an easy ucs2 -> mulitbyte conversion 
+ * @return static buffer containing the converted string
+ **/
+
+static char *pdb_convert(const UNISTR2 *from)
 {
-       if (from->buffer != 0)
-               unistr2_to_ascii(string, from, sizeof(pstring));
+       static pstring convert_buffer;
+       *convert_buffer = 0;
+       if (!from) {
+               return convert_buffer;
+       }
+
+       unistr2_to_ascii(convert_buffer, from, sizeof(pstring));
+       return convert_buffer;
 }
 
 /*************************************************************
@@ -742,38 +889,51 @@ void copy_id23_to_sam_passwd(SAM_ACCOUNT *to, SAM_USER_INFO_23 *from)
        if (from == NULL || to == NULL) 
                return;
 
-       to->logon_time = nt_time_to_unix(&from->logon_time);
-       to->logoff_time = nt_time_to_unix(&from->logoff_time);
-       to->kickoff_time = nt_time_to_unix(&from->kickoff_time);
-       to->pass_last_set_time = nt_time_to_unix(&from->pass_last_set_time);
-       to->pass_can_change_time = nt_time_to_unix(&from->pass_can_change_time);
-       to->pass_must_change_time = nt_time_to_unix(&from->pass_must_change_time);
-
-       select_name(to->username    , &from->uni_user_name   );
-       select_name(to->full_name   , &from->uni_full_name   );
-       select_name(to->home_dir    , &from->uni_home_dir    );
-       select_name(to->dir_drive   , &from->uni_dir_drive   );
-       select_name(to->logon_script, &from->uni_logon_script);
-       select_name(to->profile_path, &from->uni_profile_path);
-       select_name(to->acct_desc   , &from->uni_acct_desc   );
-       select_name(to->workstations, &from->uni_workstations);
-       select_name(to->unknown_str , &from->uni_unknown_str );
-       select_name(to->munged_dial , &from->uni_munged_dial );
-
-       to->user_rid = from->user_rid;
-       to->group_rid = from->group_rid;
-
-       to->acct_ctrl = from->acb_info;
-       to->unknown_3 = from->unknown_3;
-
-       to->logon_divs = from->logon_divs;
-       to->hours_len = from->logon_hrs.len;
-       memcpy(to->hours, from->logon_hrs.hours, MAX_HOURS_LEN);
-
-       to->unknown_5 = from->unknown_5;
-       to->unknown_6 = from->unknown_6;
+       pdb_set_logon_time(to,nt_time_to_unix(&from->logon_time));
+       pdb_set_logoff_time(to,nt_time_to_unix(&from->logoff_time));
+       pdb_set_kickoff_time(to, nt_time_to_unix(&from->kickoff_time));
+       pdb_set_pass_last_set_time(to, nt_time_to_unix(&from->pass_last_set_time));
+       pdb_set_pass_can_change_time(to, nt_time_to_unix(&from->pass_can_change_time));
+       pdb_set_pass_must_change_time(to, nt_time_to_unix(&from->pass_must_change_time));
+
+       if (from->uni_user_name.buffer)
+               pdb_set_username(to      , pdb_convert(&from->uni_user_name   ));
+       if (from->uni_full_name.buffer)
+               pdb_set_fullname(to      , pdb_convert(&from->uni_full_name   ));
+       if (from->uni_home_dir.buffer)
+               pdb_set_homedir(to       , pdb_convert(&from->uni_home_dir    ), True);
+       if (from->uni_dir_drive.buffer)
+               pdb_set_dir_drive(to     , pdb_convert(&from->uni_dir_drive   ), True);
+       if (from->uni_logon_script.buffer)
+               pdb_set_logon_script(to  , pdb_convert(&from->uni_logon_script), True);
+       if (from->uni_profile_path.buffer)
+               pdb_set_profile_path(to  , pdb_convert(&from->uni_profile_path), True);
+       if (from->uni_acct_desc.buffer)
+               pdb_set_acct_desc(to     , pdb_convert(&from->uni_acct_desc   ));
+       if (from->uni_workstations.buffer)
+               pdb_set_workstations(to  , pdb_convert(&from->uni_workstations));
+       if (from->uni_unknown_str.buffer)
+               pdb_set_unknown_str(to   , pdb_convert(&from->uni_unknown_str ));
+       if (from->uni_munged_dial.buffer)
+               pdb_set_munged_dial(to   , pdb_convert(&from->uni_munged_dial ));
+
+       if (from->user_rid)
+               pdb_set_user_rid(to, from->user_rid);
+       if (from->group_rid)
+               pdb_set_group_rid(to, from->group_rid);
+
+       pdb_set_acct_ctrl(to, from->acb_info);
+       pdb_set_unknown_3(to, from->unknown_3);
+
+       pdb_set_logon_divs(to, from->logon_divs);
+       pdb_set_hours_len(to, from->logon_hrs.len);
+       pdb_set_hours(to, from->logon_hrs.hours);
+
+       pdb_set_unknown_5(to, from->unknown_5);
+       pdb_set_unknown_6(to, from->unknown_6);
 }
 
+
 /*************************************************************
  Copies a sam passwd.
  **************************************************************/
@@ -783,53 +943,56 @@ void copy_id21_to_sam_passwd(SAM_ACCOUNT *to, SAM_USER_INFO_21 *from)
        if (from == NULL || to == NULL) 
                return;
 
-       to->logon_time = nt_time_to_unix(&from->logon_time);
-       to->logoff_time = nt_time_to_unix(&from->logoff_time);
-       to->kickoff_time = nt_time_to_unix(&from->kickoff_time);
-       to->pass_last_set_time = nt_time_to_unix(&from->pass_last_set_time);
-       to->pass_can_change_time = nt_time_to_unix(&from->pass_can_change_time);
-       to->pass_must_change_time = nt_time_to_unix(&from->pass_must_change_time);
-
-       select_name(to->username    , &from->uni_user_name   );
-       select_name(to->full_name   , &from->uni_full_name   );
-       select_name(to->home_dir    , &from->uni_home_dir    );
-       select_name(to->dir_drive   , &from->uni_dir_drive   );
-       select_name(to->logon_script, &from->uni_logon_script);
-       select_name(to->profile_path, &from->uni_profile_path);
-       select_name(to->acct_desc   , &from->uni_acct_desc   );
-       select_name(to->workstations, &from->uni_workstations);
-       select_name(to->unknown_str , &from->uni_unknown_str );
-       select_name(to->munged_dial , &from->uni_munged_dial );
-
-       to->user_rid = from->user_rid;
-       to->group_rid = from->group_rid;
-       
+       pdb_set_logon_time(to,nt_time_to_unix(&from->logon_time));
+       pdb_set_logoff_time(to,nt_time_to_unix(&from->logoff_time));
+       pdb_set_kickoff_time(to, nt_time_to_unix(&from->kickoff_time));
+       pdb_set_pass_last_set_time(to, nt_time_to_unix(&from->pass_last_set_time));
+       pdb_set_pass_can_change_time(to, nt_time_to_unix(&from->pass_can_change_time));
+       pdb_set_pass_must_change_time(to, nt_time_to_unix(&from->pass_must_change_time));
+
+       if (from->uni_user_name.buffer)
+               pdb_set_username(to      , pdb_convert(&from->uni_user_name   ));
+       if (from->uni_full_name.buffer)
+               pdb_set_fullname(to      , pdb_convert(&from->uni_full_name   ));
+       if (from->uni_home_dir.buffer)
+               pdb_set_homedir(to       , pdb_convert(&from->uni_home_dir    ), True);
+       if (from->uni_dir_drive.buffer)
+               pdb_set_dir_drive(to     , pdb_convert(&from->uni_dir_drive   ), True);
+       if (from->uni_logon_script.buffer)
+               pdb_set_logon_script(to  , pdb_convert(&from->uni_logon_script), True);
+       if (from->uni_profile_path.buffer)
+               pdb_set_profile_path(to  , pdb_convert(&from->uni_profile_path), True);
+       if (from->uni_acct_desc.buffer)
+               pdb_set_acct_desc(to     , pdb_convert(&from->uni_acct_desc   ));
+       if (from->uni_workstations.buffer)
+               pdb_set_workstations(to  , pdb_convert(&from->uni_workstations));
+       if (from->uni_unknown_str.buffer)
+               pdb_set_unknown_str(to   , pdb_convert(&from->uni_unknown_str ));
+       if (from->uni_munged_dial.buffer)
+               pdb_set_munged_dial(to   , pdb_convert(&from->uni_munged_dial ));
+
+       if (from->user_rid)
+               pdb_set_user_rid(to, from->user_rid);
+       if (from->group_rid)
+               pdb_set_group_rid(to, from->group_rid);
+
        /* FIXME!!  Do we need to copy the passwords here as well?
           I don't know.  Need to figure this out   --jerry */
 
-       to->acct_ctrl = from->acb_info;
-       to->unknown_3 = from->unknown_3;
+       /* Passwords dealt with in caller --abartlet */
 
-       to->logon_divs = from->logon_divs;
-       to->hours_len = from->logon_hrs.len;
-       memcpy(to->hours, from->logon_hrs.hours, MAX_HOURS_LEN);
-
-       to->unknown_5 = from->unknown_5;
-       to->unknown_6 = from->unknown_6;
-}
-
-/*************************************************************
- Copies a SAM_ACCOUNT.
- **************************************************************/
+       pdb_set_acct_ctrl(to, from->acb_info);
+       pdb_set_unknown_3(to, from->unknown_3);
 
-void copy_sam_passwd(SAM_ACCOUNT *to, const SAM_ACCOUNT *from)
-{
-       if (!from || !to)
-               return;
+       pdb_set_logon_divs(to, from->logon_divs);
+       pdb_set_hours_len(to, from->logon_hrs.len);
+       pdb_set_hours(to, from->logon_hrs.hours);
 
-       memcpy(to, from, sizeof(SAM_ACCOUNT));
+       pdb_set_unknown_5(to, from->unknown_5);
+       pdb_set_unknown_6(to, from->unknown_6);
 }
 
+
 /*************************************************************
  Change a password entry in the local smbpasswd file.
 
@@ -841,8 +1004,8 @@ void copy_sam_passwd(SAM_ACCOUNT *to, const SAM_ACCOUNT *from)
  --jerry
  *************************************************************/
 
-BOOL local_password_change(char *user_name, int local_flags,
-                          char *new_passwd, 
+BOOL local_password_change(const char *user_name, int local_flags,
+                          const char *new_passwd, 
                           char *err_str, size_t err_str_len,
                           char *msg_str, size_t msg_str_len)
 {
@@ -862,7 +1025,7 @@ BOOL local_password_change(char *user_name, int local_flags,
                         * Check for a local account - if we're adding only.
                         */
                        
-                       if(!(pwd = sys_getpwnam(user_name))) {
+                       if(!(pwd = getpwnam_alloc(user_name))) {
                                slprintf(err_str, err_str_len - 1, "User %s does not \
 exist in system password file (usually /etc/passwd). Cannot add \
 account without a valid local system user.\n", user_name);
@@ -873,17 +1036,34 @@ account without a valid local system user.\n", user_name);
                        return False;
                }
 
-               if (!pdb_init_sam_pw(&sam_pass, pwd)) {
+               if (!NT_STATUS_IS_OK(pdb_init_sam_pw(&sam_pass, pwd))){
                        slprintf(err_str, err_str_len-1, "Failed initialise SAM_ACCOUNT for user %s.\n", user_name);
+                       passwd_free(&pwd);
                        return False;
                }
-
-               /* set account flags. Note that the default is non-expiring accounts */
-               if (!pdb_set_acct_ctrl(sam_pass,((local_flags & LOCAL_TRUST_ACCOUNT) ? ACB_WSTRUST : ACB_NORMAL|ACB_PWNOEXP) )) {
-                       slprintf(err_str, err_str_len-1, "Failed to set 'trust account' flags for user %s.\n", user_name);
-                       pdb_free_sam(&sam_pass);
-                       return False;
+               
+               passwd_free(&pwd);
+       
+               if (local_flags & LOCAL_TRUST_ACCOUNT) {
+                       if (!pdb_set_acct_ctrl(sam_pass, ACB_WSTRUST)) {
+                               slprintf(err_str, err_str_len - 1, "Failed to set 'trusted workstation account' flags for user %s.\n", user_name);
+                               pdb_free_sam(&sam_pass);
+                               return False;
+                       }
+               } else if (local_flags & LOCAL_INTERDOM_ACCOUNT) {
+                       if (!pdb_set_acct_ctrl(sam_pass, ACB_DOMTRUST)) {
+                               slprintf(err_str, err_str_len - 1, "Failed to set 'domain trust account' flags for user %s.\n", user_name);
+                               pdb_free_sam(&sam_pass);
+                               return False;
+                       }
+               } else {
+                       if (!pdb_set_acct_ctrl(sam_pass, ACB_NORMAL)) {
+                               slprintf(err_str, err_str_len - 1, "Failed to set 'normal account' flags for user %s.\n", user_name);
+                               pdb_free_sam(&sam_pass);
+                               return False;
+                       }
                }
+
        } else {
                /* the entry already existed */
                local_flags &= ~LOCAL_ADD_USER;
@@ -901,13 +1081,6 @@ account without a valid local system user.\n", user_name);
                        return False;
                }
        } else if (local_flags & LOCAL_ENABLE_USER) {
-               if (pdb_get_lanman_passwd(sam_pass) == NULL) {
-                       if (!pdb_set_plaintext_passwd (sam_pass, new_passwd)) {
-                               slprintf(err_str, err_str_len-1, "Failed to set password for user %s.\n", user_name);
-                               pdb_free_sam(&sam_pass);
-                               return False;
-                       }
-               }
                if (!pdb_set_acct_ctrl (sam_pass, pdb_get_acct_ctrl(sam_pass)&(~ACB_DISABLED))) {
                        slprintf(err_str, err_str_len-1, "Failed to unset 'disabled' flag for user %s.\n", user_name);
                        pdb_free_sam(&sam_pass);
@@ -921,19 +1094,7 @@ account without a valid local system user.\n", user_name);
                        pdb_free_sam(&sam_pass);
                        return False;
                }
-               
-               /* This is needed to preserve ACB_PWNOTREQ in mod_smbfilepwd_entry */
-               if (!pdb_set_lanman_passwd (sam_pass, NULL)) {
-                       slprintf(err_str, err_str_len-1, "Failed to set NULL lanman password for user %s.\n", user_name);
-                       pdb_free_sam(&sam_pass);
-                       return False;
-               }
-               if (!pdb_set_nt_passwd (sam_pass, NULL)) {
-                       slprintf(err_str, err_str_len-1, "Failed to set NULL NT password for user %s.\n", user_name);
-                       pdb_free_sam(&sam_pass);
-                       return False;
-               }
-       } else {
+       } else if (local_flags & LOCAL_SET_PASSWORD) {
                /*
                 * If we're dealing with setting a completely empty user account
                 * ie. One with a password of 'XXXX', but not set disabled (like
@@ -998,679 +1159,35 @@ account without a valid local system user.\n", user_name);
        return True;
 }
 
-/*********************************************************************
- Collection of get...() functions for SAM_ACCOUNT_INFO.
- ********************************************************************/
-
-uint16 pdb_get_acct_ctrl (SAM_ACCOUNT *sampass)
-{
-       if (sampass)
-               return (sampass->acct_ctrl);
-       else
-               return (ACB_DISABLED);
-}
-
-time_t pdb_get_logon_time (SAM_ACCOUNT *sampass)
-{
-       if (sampass)
-               return (sampass->logon_time);
-       else
-               return (0);
-}
-
-time_t pdb_get_logoff_time (SAM_ACCOUNT *sampass)
-{
-       if (sampass)
-               return (sampass->logoff_time);
-       else
-               return (-1);
-}
-
-time_t pdb_get_kickoff_time (SAM_ACCOUNT *sampass)
-{
-       if (sampass)
-               return (sampass->kickoff_time);
-       else
-               return (-1);
-}
-
-time_t pdb_get_pass_last_set_time (SAM_ACCOUNT *sampass)
-{
-       if (sampass)
-               return (sampass->pass_last_set_time);
-       else
-               return (-1);
-}
-
-time_t pdb_get_pass_can_change_time (SAM_ACCOUNT *sampass)
-{
-       if (sampass)
-               return (sampass->pass_can_change_time);
-       else
-               return (-1);
-}
-
-time_t pdb_get_pass_must_change_time (SAM_ACCOUNT *sampass)
-{
-       if (sampass)
-               return (sampass->pass_must_change_time);
-       else
-               return (-1);
-}
-
-uint16 pdb_get_logon_divs (SAM_ACCOUNT *sampass)
-{
-       if (sampass)
-               return (sampass->logon_divs);
-       else
-               return (-1);
-}
-
-uint32 pdb_get_hours_len (SAM_ACCOUNT *sampass)
-{
-       if (sampass)
-               return (sampass->hours_len);
-       else
-               return (-1);
-}
-
-uint8* pdb_get_hours (SAM_ACCOUNT *sampass)
-{
-       if (sampass)
-               return (sampass->hours);
-       else
-               return (NULL);
-}
-
-uint8* pdb_get_nt_passwd (SAM_ACCOUNT *sampass)
-{
-       if (sampass)
-               return (sampass->nt_pw);
-       else
-               return (NULL);
-}
-
-uint8* pdb_get_lanman_passwd (SAM_ACCOUNT *sampass)
-{
-       if (sampass)
-               return (sampass->lm_pw);
-       else
-               return (NULL);
-}
-
-uint32 pdb_get_user_rid (SAM_ACCOUNT *sampass)
-{
-       if (sampass)
-               return (sampass->user_rid);
-       else
-               return (-1);
-}
-
-uint32 pdb_get_group_rid (SAM_ACCOUNT *sampass)
-{
-       if (sampass)
-               return (sampass->group_rid);
-       else
-               return (-1);
-}
-
-uid_t pdb_get_uid (SAM_ACCOUNT *sampass)
-{
-       if (sampass)
-               return (sampass->uid);
-       else
-               return ((uid_t)-1);
-}
-
-gid_t pdb_get_gid (SAM_ACCOUNT *sampass)
-{
-       if (sampass)
-               return (sampass->gid);
-       else
-               return ((gid_t)-1);
-}
-
-char* pdb_get_username (SAM_ACCOUNT *sampass)
-{
-       if (sampass)
-               return (sampass->username);
-       else
-               return (NULL);
-}
-
-char* pdb_get_domain (SAM_ACCOUNT *sampass)
-{
-       if (sampass)
-               return (sampass->domain);
-       else
-               return (NULL);
-}
-
-char* pdb_get_nt_username (SAM_ACCOUNT *sampass)
-{
-       if (sampass)
-               return (sampass->nt_username);
-       else
-               return (NULL);
-}
-
-char* pdb_get_fullname (SAM_ACCOUNT *sampass)
-{
-       if (sampass)
-               return (sampass->full_name);
-       else
-               return (NULL);
-}
-
-char* pdb_get_homedir (SAM_ACCOUNT *sampass)
-{
-       if (sampass)
-               return (sampass->home_dir);
-       else
-               return (NULL);
-}
-
-char* pdb_get_dirdrive (SAM_ACCOUNT *sampass)
-{
-       if (sampass)
-               return (sampass->dir_drive);
-       else
-               return (NULL);
-}
-
-char* pdb_get_logon_script (SAM_ACCOUNT *sampass)
-{
-       if (sampass)
-               return (sampass->logon_script);
-       else
-               return (NULL);
-}
-
-char* pdb_get_profile_path (SAM_ACCOUNT *sampass)
-{
-       if (sampass)
-               return (sampass->profile_path);
-       else
-               return (NULL);
-}
-
-char* pdb_get_acct_desc (SAM_ACCOUNT *sampass)
-{
-       if (sampass)
-               return (sampass->acct_desc);
-       else
-               return (NULL);
-}
-
-char* pdb_get_workstations (SAM_ACCOUNT *sampass)
-{
-       if (sampass)
-               return (sampass->workstations);
-       else
-               return (NULL);
-}
-
-char* pdb_get_munged_dial (SAM_ACCOUNT *sampass)
-{
-       if (sampass)
-               return (sampass->munged_dial);
-       else
-               return (NULL);
-}
-
-uint32 pdb_get_unknown3 (SAM_ACCOUNT *sampass)
-{
-       if (sampass)
-               return (sampass->unknown_3);
-       else
-               return (-1);
-}
-
-uint32 pdb_get_unknown5 (SAM_ACCOUNT *sampass)
-{
-       if (sampass)
-               return (sampass->unknown_5);
-       else
-               return (-1);
-}
-
-uint32 pdb_get_unknown6 (SAM_ACCOUNT *sampass)
-{
-       if (sampass)
-               return (sampass->unknown_6);
-       else
-               return (-1);
-}
-
-/*********************************************************************
- Collection of set...() functions for SAM_ACCOUNT_INFO.
- ********************************************************************/
-
-BOOL pdb_set_acct_ctrl (SAM_ACCOUNT *sampass, uint16 flags)
-{
-       if (!sampass)
-               return False;
-               
-       if (sampass) {
-               sampass->acct_ctrl = flags;
-               return True;
-       }
-       
-       return False;
-}
-
-BOOL pdb_set_logon_time (SAM_ACCOUNT *sampass, time_t mytime)
-{
-       if (!sampass)
-               return False;
-
-       sampass->logon_time = mytime;
-       return True;
-}
-
-BOOL pdb_set_logoff_time (SAM_ACCOUNT *sampass, time_t mytime)
-{
-       if (!sampass)
-               return False;
-
-       sampass->logoff_time = mytime;
-       return True;
-}
-
-BOOL pdb_set_kickoff_time (SAM_ACCOUNT *sampass, time_t mytime)
-{
-       if (!sampass)
-               return False;
-
-       sampass->kickoff_time = mytime;
-       return True;
-}
-
-BOOL pdb_set_pass_can_change_time (SAM_ACCOUNT *sampass, time_t mytime)
-{
-       if (!sampass)
-               return False;
-
-       sampass->pass_can_change_time = mytime;
-       return True;
-}
-
-BOOL pdb_set_pass_must_change_time (SAM_ACCOUNT *sampass, time_t mytime)
-{
-       if (!sampass)
-               return False;
-
-       sampass->pass_must_change_time = mytime;
-       return True;
-}
-
-BOOL pdb_set_pass_last_set_time (SAM_ACCOUNT *sampass, time_t mytime)
-{
-       if (!sampass)
-               return False;
-
-       sampass->pass_last_set_time = mytime;
-       return True;
-}
-
-BOOL pdb_set_hours_len (SAM_ACCOUNT *sampass, uint32 len)
-{
-       if (!sampass)
-               return False;
-
-       sampass->hours_len = len;
-       return True;
-}
-
-BOOL pdb_set_logons_divs (SAM_ACCOUNT *sampass, uint16 hours)
-{
-       if (!sampass)
-               return False;
-
-       sampass->logon_divs = hours;
-       return True;
-}
-
-BOOL pdb_set_uid (SAM_ACCOUNT *sampass, uid_t uid)
-{
-       if (!sampass)
-               return False;
-
-       sampass->uid = uid;
-       return True;
-}
-
-BOOL pdb_set_gid (SAM_ACCOUNT *sampass, gid_t gid)
-{
-       if (!sampass)
-               return False;
-
-       sampass->gid = gid;
-       return True;
-}
-
-BOOL pdb_set_user_rid (SAM_ACCOUNT *sampass, uint32 rid)
-{
-       if (!sampass)
-               return False;
-
-       sampass->user_rid = rid;
-       return True;
-}
+/***************************************************************************
+ Search by uid.  Wrapper around pdb_getsampwnam()
+ **************************************************************************/
 
-BOOL pdb_set_group_rid (SAM_ACCOUNT *sampass, uint32 grid)
+BOOL pdb_getsampwuid (SAM_ACCOUNT* user, uid_t uid)
 {
-       if (!sampass)
-               return False;
-
-       sampass->group_rid = grid;
-       return True;
-}
-
-/*********************************************************************
- Set the user's UNIX name.
- ********************************************************************/
+       struct passwd   *pw;
+       fstring         name;
 
-BOOL pdb_set_username(SAM_ACCOUNT *sampass, char *username)
-{      
-       if (!sampass)
-               return False;
-       *sampass->username = '\0';
-       if (!username)
-               return False;
-
-       StrnCpy (sampass->username, username, strlen(username));
-
-       return True;
-}
-
-/*********************************************************************
- Set the domain name.
- ********************************************************************/
-
-BOOL pdb_set_domain(SAM_ACCOUNT *sampass, char *domain)
-{      
-       if (!sampass)
-               return False;
-       *sampass->domain = '\0';
-       if (!domain)
+       if (user==NULL) {
+               DEBUG(0,("pdb_getsampwuid: SAM_ACCOUNT is NULL.\n"));
                return False;
-
-       StrnCpy (sampass->domain, domain, strlen(domain));
-
-       return True;
-}
-
-/*********************************************************************
- Set the user's NT name.
- ********************************************************************/
-
-BOOL pdb_set_nt_username(SAM_ACCOUNT *sampass, char *nt_username)
-{
-       if (!sampass)
-               return False;
-       *sampass->nt_username = '\0';
-       if (!nt_username)
-               return False;
-
-       StrnCpy (sampass->nt_username, nt_username, strlen(nt_username));
-
-       return True;
-}
-
-/*********************************************************************
- Set the user's full name.
- ********************************************************************/
-
-BOOL pdb_set_fullname(SAM_ACCOUNT *sampass, char *fullname)
-{
-       if (!sampass)
-               return False;
-       *sampass->full_name = '\0';
-       if (!fullname)
-               return False;
-
-       StrnCpy (sampass->full_name, fullname, strlen(fullname));
-
-       return True;
-}
-
-/*********************************************************************
- Set the user's logon script.
- ********************************************************************/
-
-BOOL pdb_set_logon_script(SAM_ACCOUNT *sampass, char *logon_script)
-{
-       if (!sampass)
-               return False;
-       *sampass->logon_script = '\0';
-       if (!logon_script)
-               return False;
-
-       StrnCpy (sampass->logon_script, logon_script, strlen(logon_script));
-
-       return True;
-}
-
-/*********************************************************************
- Set the user's profile path.
- ********************************************************************/
-
-BOOL pdb_set_profile_path (SAM_ACCOUNT *sampass, char *profile_path)
-{
-       if (!sampass)
-               return False;
-       *sampass->profile_path = '\0';
-       if (!profile_path)
-               return False;
-       
-       StrnCpy (sampass->profile_path, profile_path, strlen(profile_path));
-       
-       return True;
-}
-
-/*********************************************************************
- Set the user's directory drive.
- ********************************************************************/
-
-BOOL pdb_set_dir_drive (SAM_ACCOUNT *sampass, char *dir_drive)
-{
-       if (!sampass)
-               return False;
-       *sampass->dir_drive = '\0';
-       if (!dir_drive)
-               return False;
-
-       StrnCpy (sampass->dir_drive, dir_drive, strlen(dir_drive));
-
-       return True;
-}
-
-/*********************************************************************
- Set the user's home directory.
- ********************************************************************/
-
-BOOL pdb_set_homedir (SAM_ACCOUNT *sampass, char *homedir)
-{
-       if (!sampass)
-               return False;
-       *sampass->home_dir = '\0';
-       if (!homedir)
-               return False;
-       
-       StrnCpy (sampass->home_dir, homedir, strlen(homedir));
-
-       return True;
-}
-
-/*********************************************************************
- Set the user's account description.
- ********************************************************************/
-
-BOOL pdb_set_acct_desc (SAM_ACCOUNT *sampass, char *acct_desc)
-{
-       if (!sampass)
-               return False;
-       *sampass->acct_desc = '\0';
-       if (!acct_desc)
-               return False;
-       
-       StrnCpy (sampass->acct_desc, acct_desc, strlen(acct_desc));
-
-       return True;
-}
-
-/*********************************************************************
- Set the user's workstation allowed list.
- ********************************************************************/
-
-BOOL pdb_set_workstations (SAM_ACCOUNT *sampass, char *workstations)
-{
-       if (!sampass)
-               return False;
-       *sampass->workstations = '\0';
-       if (!workstations)
-               return False;
-
-       StrnCpy (sampass->workstations, workstations, strlen(workstations));
-
-       return True;
-}
-
-/*********************************************************************
- Set the user's dial string.
- ********************************************************************/
-
-BOOL pdb_set_munged_dial (SAM_ACCOUNT *sampass, char *munged_dial)
-{
-       if (!sampass)
-               return False;
-       *sampass->munged_dial = '\0';
-       if (!munged_dial)
-               return False;
-
-       StrnCpy (sampass->munged_dial, munged_dial, strlen(munged_dial));
-
-       return True;
-}
-
-/*********************************************************************
- Set the user's NT hash.
- ********************************************************************/
-
-BOOL pdb_set_nt_passwd (SAM_ACCOUNT *sampass, uint8 *pwd)
-{
-       if (!sampass)
-               return False;
-       
-       if (!pwd) {
-               /* Allow setting to NULL */
-               SAFE_FREE(sampass->nt_pw);
-               return True;
        }
 
-       if (sampass->nt_pw!=NULL)
-               DEBUG(4,("pdb_set_nt_passwd: NT hash non NULL overwritting ?\n"));
-       else
-               sampass->nt_pw=(unsigned char *)malloc(sizeof(unsigned char)*16);
-       
-       if (sampass->nt_pw==NULL)
-               return False;
-
-       memcpy (sampass->nt_pw, pwd, 16);
-
-       return True;
-}
-
-/*********************************************************************
- Set the user's LM hash.
- ********************************************************************/
-
-BOOL pdb_set_lanman_passwd (SAM_ACCOUNT *sampass, uint8 *pwd)
-{
-       if (!sampass)
+       /*
+        * Never trust the uid in the passdb.  Lookup the username first
+        * and then lokup the user by name in the sam.
+        */
+        
+       if ((pw=getpwuid_alloc(uid)) == NULL)  {
+               DEBUG(0,("pdb_getsampwuid: getpwuid(%d) return NULL. User does not exist in Unix accounts!\n", uid));
                return False;
-       
-       if (!pwd) {
-               /* Allow setting to NULL */
-               SAFE_FREE(sampass->lm_pw);
-               return True;
        }
-
-       if (sampass->lm_pw!=NULL)
-               DEBUG(4,("pdb_set_lanman_passwd: LM hash non NULL overwritting ?\n"));
-       else
-               sampass->lm_pw=(unsigned char *)malloc(sizeof(unsigned char)*16);
-       
-       if (sampass->lm_pw==NULL)
-               return False;
-
-       memcpy (sampass->lm_pw, pwd, 16);
-
-       return True;
-}
-
-/*********************************************************************
- Set the user's PLAINTEXT password.  Used as an interface to the above.
- ********************************************************************/
-
-BOOL pdb_set_plaintext_passwd (SAM_ACCOUNT *sampass, char *plaintext)
-{
-       uchar new_lanman_p16[16];
-       uchar new_nt_p16[16];
-
-       if (!sampass || !plaintext)
-               return False;
        
-       nt_lm_owf_gen (plaintext, new_nt_p16, new_lanman_p16);
-
-       if (!pdb_set_nt_passwd (sampass, new_nt_p16)) 
-               return False;
-
-       if (!pdb_set_lanman_passwd (sampass, new_lanman_p16)) 
-               return False;
-
-       return True;
-}
+       fstrcpy (name, pw->pw_name);
 
-BOOL pdb_set_unknown_3 (SAM_ACCOUNT *sampass, uint32 unkn)
-{
-       if (!sampass)
-               return False;
-
-       sampass->unknown_3 = unkn;
-       return True;
-}
+       passwd_free(&pw);
 
-BOOL pdb_set_unknown_5 (SAM_ACCOUNT *sampass, uint32 unkn)
-{
-       if (!sampass)
-               return False;
+       return pdb_getsampwnam (user, name);
 
-       sampass->unknown_5 = unkn;
-       return True;
 }
 
-BOOL pdb_set_unknown_6 (SAM_ACCOUNT *sampass, uint32 unkn)
-{
-       if (!sampass)
-               return False;
-
-       sampass->unknown_6 = unkn;
-       return True;
-}
-
-BOOL pdb_set_hours (SAM_ACCOUNT *sampass, uint8 *hours)
-{
-       if (!sampass)
-               return False;
-
-       if (!hours) {
-               memset ((char *)sampass->hours, 0, MAX_HOURS_LEN);
-               return True;
-       }
-       
-       memcpy (sampass->hours, hours, MAX_HOURS_LEN);
-
-       return True;
-}