r10656: BIG merge from trunk. Features not copied over
[tprouty/samba.git] / source / passdb / pdb_get_set.c
index 80b4bb4dc3b841170868a81911711cba7944009b..783e9e23fa306ecb696c33c2ff5e2e483a0d144e 100644 (file)
@@ -28,7 +28,7 @@
 #define DBGC_CLASS DBGC_PASSDB
 
 /**
- * @todo Redefine this to NULL, but this changes the API becouse
+ * @todo Redefine this to NULL, but this changes the API because
  *       much of samba assumes that the pdb_get...() funtions 
  *       return pstrings.  (ie not null-pointers).
  *       See also pdb_fill_default_sam().
@@ -43,7 +43,7 @@
 uint16 pdb_get_acct_ctrl (const SAM_ACCOUNT *sampass)
 {
        if (sampass)
-               return (sampass->private.acct_ctrl);
+               return (sampass->private_u.acct_ctrl);
        else
                return (ACB_DISABLED);
 }
@@ -51,7 +51,7 @@ uint16 pdb_get_acct_ctrl (const SAM_ACCOUNT *sampass)
 time_t pdb_get_logon_time (const SAM_ACCOUNT *sampass)
 {
        if (sampass)
-               return (sampass->private.logon_time);
+               return (sampass->private_u.logon_time);
        else
                return (0);
 }
@@ -59,7 +59,7 @@ time_t pdb_get_logon_time (const SAM_ACCOUNT *sampass)
 time_t pdb_get_logoff_time (const SAM_ACCOUNT *sampass)
 {
        if (sampass)
-               return (sampass->private.logoff_time);
+               return (sampass->private_u.logoff_time);
        else
                return (-1);
 }
@@ -67,7 +67,15 @@ time_t pdb_get_logoff_time (const SAM_ACCOUNT *sampass)
 time_t pdb_get_kickoff_time (const SAM_ACCOUNT *sampass)
 {
        if (sampass)
-               return (sampass->private.kickoff_time);
+               return (sampass->private_u.kickoff_time);
+       else
+               return (-1);
+}
+
+time_t pdb_get_bad_password_time (const SAM_ACCOUNT *sampass)
+{
+       if (sampass)
+               return (sampass->private_u.bad_password_time);
        else
                return (-1);
 }
@@ -75,7 +83,7 @@ time_t pdb_get_kickoff_time (const SAM_ACCOUNT *sampass)
 time_t pdb_get_pass_last_set_time (const SAM_ACCOUNT *sampass)
 {
        if (sampass)
-               return (sampass->private.pass_last_set_time);
+               return (sampass->private_u.pass_last_set_time);
        else
                return (-1);
 }
@@ -83,7 +91,7 @@ time_t pdb_get_pass_last_set_time (const SAM_ACCOUNT *sampass)
 time_t pdb_get_pass_can_change_time (const SAM_ACCOUNT *sampass)
 {
        if (sampass)
-               return (sampass->private.pass_can_change_time);
+               return (sampass->private_u.pass_can_change_time);
        else
                return (-1);
 }
@@ -91,7 +99,7 @@ time_t pdb_get_pass_can_change_time (const SAM_ACCOUNT *sampass)
 time_t pdb_get_pass_must_change_time (const SAM_ACCOUNT *sampass)
 {
        if (sampass)
-               return (sampass->private.pass_must_change_time);
+               return (sampass->private_u.pass_must_change_time);
        else
                return (-1);
 }
@@ -99,7 +107,7 @@ time_t pdb_get_pass_must_change_time (const SAM_ACCOUNT *sampass)
 uint16 pdb_get_logon_divs (const SAM_ACCOUNT *sampass)
 {
        if (sampass)
-               return (sampass->private.logon_divs);
+               return (sampass->private_u.logon_divs);
        else
                return (-1);
 }
@@ -107,7 +115,7 @@ uint16 pdb_get_logon_divs (const SAM_ACCOUNT *sampass)
 uint32 pdb_get_hours_len (const SAM_ACCOUNT *sampass)
 {
        if (sampass)
-               return (sampass->private.hours_len);
+               return (sampass->private_u.hours_len);
        else
                return (-1);
 }
@@ -115,7 +123,7 @@ uint32 pdb_get_hours_len (const SAM_ACCOUNT *sampass)
 const uint8* pdb_get_hours (const SAM_ACCOUNT *sampass)
 {
        if (sampass)
-               return (sampass->private.hours);
+               return (sampass->private_u.hours);
        else
                return (NULL);
 }
@@ -123,9 +131,9 @@ const uint8* pdb_get_hours (const SAM_ACCOUNT *sampass)
 const uint8* pdb_get_nt_passwd (const SAM_ACCOUNT *sampass)
 {
        if (sampass) {
-               SMB_ASSERT((!sampass->private.nt_pw.data) 
-                          || sampass->private.nt_pw.length == NT_HASH_LEN);
-               return ((uint8*)sampass->private.nt_pw.data);
+               SMB_ASSERT((!sampass->private_u.nt_pw.data) 
+                          || sampass->private_u.nt_pw.length == NT_HASH_LEN);
+               return ((uint8*)sampass->private_u.nt_pw.data);
        }
        else
                return (NULL);
@@ -134,14 +142,27 @@ const uint8* pdb_get_nt_passwd (const SAM_ACCOUNT *sampass)
 const uint8* pdb_get_lanman_passwd (const SAM_ACCOUNT *sampass)
 {
        if (sampass) {
-               SMB_ASSERT((!sampass->private.lm_pw.data) 
-                          || sampass->private.lm_pw.length == LM_HASH_LEN);
-               return ((uint8*)sampass->private.lm_pw.data);
+               SMB_ASSERT((!sampass->private_u.lm_pw.data) 
+                          || sampass->private_u.lm_pw.length == LM_HASH_LEN);
+               return ((uint8*)sampass->private_u.lm_pw.data);
        }
        else
                return (NULL);
 }
 
+const uint8* pdb_get_pw_history (const SAM_ACCOUNT *sampass, uint32 *current_hist_len)
+{
+       if (sampass) {
+               SMB_ASSERT((!sampass->private_u.nt_pw_his.data) 
+                  || ((sampass->private_u.nt_pw_his.length % PW_HISTORY_ENTRY_LEN) == 0));
+               *current_hist_len = sampass->private_u.nt_pw_his.length / PW_HISTORY_ENTRY_LEN;
+               return ((uint8*)sampass->private_u.nt_pw_his.data);
+       } else {
+               *current_hist_len = 0;
+               return (NULL);
+       }
+}
+
 /* Return the plaintext password if known.  Most of the time
    it isn't, so don't assume anything magic about this function.
    
@@ -151,7 +172,7 @@ const uint8* pdb_get_lanman_passwd (const SAM_ACCOUNT *sampass)
 const char* pdb_get_plaintext_passwd (const SAM_ACCOUNT *sampass)
 {
        if (sampass) {
-               return (sampass->private.plaintext_pw);
+               return (sampass->private_u.plaintext_pw);
        }
        else
                return (NULL);
@@ -159,7 +180,7 @@ const char* pdb_get_plaintext_passwd (const SAM_ACCOUNT *sampass)
 const DOM_SID *pdb_get_user_sid(const SAM_ACCOUNT *sampass)
 {
        if (sampass) 
-               return &sampass->private.user_sid;
+               return &sampass->private_u.user_sid;
        else
                return (NULL);
 }
@@ -167,7 +188,7 @@ const DOM_SID *pdb_get_user_sid(const SAM_ACCOUNT *sampass)
 const DOM_SID *pdb_get_group_sid(const SAM_ACCOUNT *sampass)
 {
        if (sampass)
-               return &sampass->private.group_sid;
+               return &sampass->private_u.group_sid;
        else    
                return (NULL);
 }      
@@ -182,15 +203,15 @@ enum pdb_value_state pdb_get_init_flags (const SAM_ACCOUNT *sampass, enum pdb_el
 {
        enum pdb_value_state ret = PDB_DEFAULT;
        
-        if (!sampass || !sampass->private.change_flags || !sampass->private.set_flags)
+        if (!sampass || !sampass->private_u.change_flags || !sampass->private_u.set_flags)
                return ret;
                
-        if (bitmap_query(sampass->private.set_flags, element)) {
+        if (bitmap_query(sampass->private_u.set_flags, element)) {
                DEBUG(11, ("element %d: SET\n", element)); 
                ret = PDB_SET;
        }
                
-        if (bitmap_query(sampass->private.change_flags, element)) {
+        if (bitmap_query(sampass->private_u.change_flags, element)) {
                DEBUG(11, ("element %d: CHANGED\n", element)); 
                ret = PDB_CHANGED;
        }
@@ -202,26 +223,10 @@ enum pdb_value_state pdb_get_init_flags (const SAM_ACCOUNT *sampass, enum pdb_el
         return ret;
 }
 
-uid_t pdb_get_uid (const SAM_ACCOUNT *sampass)
-{
-       if (sampass)
-               return (sampass->private.uid);
-       else
-               return (-1);
-}
-
-gid_t pdb_get_gid (const SAM_ACCOUNT *sampass)
-{
-       if (sampass)
-               return (sampass->private.gid);
-       else
-               return (-1);
-}
-
 const char* pdb_get_username (const SAM_ACCOUNT *sampass)
 {
        if (sampass)
-               return (sampass->private.username);
+               return (sampass->private_u.username);
        else
                return (NULL);
 }
@@ -229,7 +234,7 @@ const char* pdb_get_username (const SAM_ACCOUNT *sampass)
 const char* pdb_get_domain (const SAM_ACCOUNT *sampass)
 {
        if (sampass)
-               return (sampass->private.domain);
+               return (sampass->private_u.domain);
        else
                return (NULL);
 }
@@ -237,7 +242,7 @@ const char* pdb_get_domain (const SAM_ACCOUNT *sampass)
 const char* pdb_get_nt_username (const SAM_ACCOUNT *sampass)
 {
        if (sampass)
-               return (sampass->private.nt_username);
+               return (sampass->private_u.nt_username);
        else
                return (NULL);
 }
@@ -245,7 +250,7 @@ const char* pdb_get_nt_username (const SAM_ACCOUNT *sampass)
 const char* pdb_get_fullname (const SAM_ACCOUNT *sampass)
 {
        if (sampass)
-               return (sampass->private.full_name);
+               return (sampass->private_u.full_name);
        else
                return (NULL);
 }
@@ -253,7 +258,7 @@ const char* pdb_get_fullname (const SAM_ACCOUNT *sampass)
 const char* pdb_get_homedir (const SAM_ACCOUNT *sampass)
 {
        if (sampass)
-               return (sampass->private.home_dir);
+               return (sampass->private_u.home_dir);
        else
                return (NULL);
 }
@@ -261,7 +266,7 @@ const char* pdb_get_homedir (const SAM_ACCOUNT *sampass)
 const char* pdb_get_unix_homedir (const SAM_ACCOUNT *sampass)
 {
        if (sampass)
-               return (sampass->private.unix_home_dir);
+               return (sampass->private_u.unix_home_dir);
        else
                return (NULL);
 }
@@ -269,7 +274,7 @@ const char* pdb_get_unix_homedir (const SAM_ACCOUNT *sampass)
 const char* pdb_get_dir_drive (const SAM_ACCOUNT *sampass)
 {
        if (sampass)
-               return (sampass->private.dir_drive);
+               return (sampass->private_u.dir_drive);
        else
                return (NULL);
 }
@@ -277,7 +282,7 @@ const char* pdb_get_dir_drive (const SAM_ACCOUNT *sampass)
 const char* pdb_get_logon_script (const SAM_ACCOUNT *sampass)
 {
        if (sampass)
-               return (sampass->private.logon_script);
+               return (sampass->private_u.logon_script);
        else
                return (NULL);
 }
@@ -285,7 +290,7 @@ const char* pdb_get_logon_script (const SAM_ACCOUNT *sampass)
 const char* pdb_get_profile_path (const SAM_ACCOUNT *sampass)
 {
        if (sampass)
-               return (sampass->private.profile_path);
+               return (sampass->private_u.profile_path);
        else
                return (NULL);
 }
@@ -293,7 +298,7 @@ const char* pdb_get_profile_path (const SAM_ACCOUNT *sampass)
 const char* pdb_get_acct_desc (const SAM_ACCOUNT *sampass)
 {
        if (sampass)
-               return (sampass->private.acct_desc);
+               return (sampass->private_u.acct_desc);
        else
                return (NULL);
 }
@@ -301,7 +306,7 @@ const char* pdb_get_acct_desc (const SAM_ACCOUNT *sampass)
 const char* pdb_get_workstations (const SAM_ACCOUNT *sampass)
 {
        if (sampass)
-               return (sampass->private.workstations);
+               return (sampass->private_u.workstations);
        else
                return (NULL);
 }
@@ -309,7 +314,7 @@ const char* pdb_get_workstations (const SAM_ACCOUNT *sampass)
 const char* pdb_get_unknown_str (const SAM_ACCOUNT *sampass)
 {
        if (sampass)
-               return (sampass->private.unknown_str);
+               return (sampass->private_u.unknown_str);
        else
                return (NULL);
 }
@@ -317,35 +322,43 @@ const char* pdb_get_unknown_str (const SAM_ACCOUNT *sampass)
 const char* pdb_get_munged_dial (const SAM_ACCOUNT *sampass)
 {
        if (sampass)
-               return (sampass->private.munged_dial);
+               return (sampass->private_u.munged_dial);
        else
                return (NULL);
 }
 
-uint32 pdb_get_unknown_3 (const SAM_ACCOUNT *sampass)
+uint16 pdb_get_bad_password_count(const SAM_ACCOUNT *sampass)
 {
        if (sampass)
-               return (sampass->private.unknown_3);
+               return (sampass->private_u.bad_password_count);
        else
-               return (-1);
+               return 0;
 }
 
-uint32 pdb_get_unknown_5 (const SAM_ACCOUNT *sampass)
+uint16 pdb_get_logon_count(const SAM_ACCOUNT *sampass)
 {
        if (sampass)
-               return (sampass->private.unknown_5);
+               return (sampass->private_u.logon_count);
        else
-               return (-1);
+               return 0;
 }
 
 uint32 pdb_get_unknown_6 (const SAM_ACCOUNT *sampass)
 {
        if (sampass)
-               return (sampass->private.unknown_6);
+               return (sampass->private_u.unknown_6);
        else
                return (-1);
 }
 
+void *pdb_get_backend_private_data (const SAM_ACCOUNT *sampass, const struct pdb_methods *my_methods)
+{
+       if (sampass && my_methods == sampass->private_u.backend_private_methods)
+               return sampass->private_u.backend_private_data;
+       else
+               return NULL;
+}
+
 /*********************************************************************
  Collection of set...() functions for SAM_ACCOUNT.
  ********************************************************************/
@@ -355,7 +368,7 @@ BOOL pdb_set_acct_ctrl (SAM_ACCOUNT *sampass, uint16 acct_ctrl, enum pdb_value_s
        if (!sampass)
                return False;
                
-       sampass->private.acct_ctrl = acct_ctrl;
+       sampass->private_u.acct_ctrl = acct_ctrl;
 
        return pdb_set_init_flags(sampass, PDB_ACCTCTRL, flag);
 }
@@ -365,7 +378,7 @@ BOOL pdb_set_logon_time (SAM_ACCOUNT *sampass, time_t mytime, enum pdb_value_sta
        if (!sampass)
                return False;
 
-       sampass->private.logon_time = mytime;
+       sampass->private_u.logon_time = mytime;
 
        return pdb_set_init_flags(sampass, PDB_LOGONTIME, flag);
 }
@@ -375,7 +388,7 @@ BOOL pdb_set_logoff_time (SAM_ACCOUNT *sampass, time_t mytime, enum pdb_value_st
        if (!sampass)
                return False;
 
-       sampass->private.logoff_time = mytime;
+       sampass->private_u.logoff_time = mytime;
 
        return pdb_set_init_flags(sampass, PDB_LOGOFFTIME, flag);
 }
@@ -385,17 +398,28 @@ BOOL pdb_set_kickoff_time (SAM_ACCOUNT *sampass, time_t mytime, enum pdb_value_s
        if (!sampass)
                return False;
 
-       sampass->private.kickoff_time = mytime;
+       sampass->private_u.kickoff_time = mytime;
 
        return pdb_set_init_flags(sampass, PDB_KICKOFFTIME, flag);
 }
 
+BOOL pdb_set_bad_password_time (SAM_ACCOUNT *sampass, time_t mytime, 
+                               enum pdb_value_state flag)
+{
+       if (!sampass)
+               return False;
+
+       sampass->private_u.bad_password_time = mytime;
+
+       return pdb_set_init_flags(sampass, PDB_BAD_PASSWORD_TIME, flag);
+}
+
 BOOL pdb_set_pass_can_change_time (SAM_ACCOUNT *sampass, time_t mytime, enum pdb_value_state flag)
 {
        if (!sampass)
                return False;
 
-       sampass->private.pass_can_change_time = mytime;
+       sampass->private_u.pass_can_change_time = mytime;
 
        return pdb_set_init_flags(sampass, PDB_CANCHANGETIME, flag);
 }
@@ -405,7 +429,7 @@ BOOL pdb_set_pass_must_change_time (SAM_ACCOUNT *sampass, time_t mytime, enum pd
        if (!sampass)
                return False;
 
-       sampass->private.pass_must_change_time = mytime;
+       sampass->private_u.pass_must_change_time = mytime;
 
        return pdb_set_init_flags(sampass, PDB_MUSTCHANGETIME, flag);
 }
@@ -415,7 +439,7 @@ BOOL pdb_set_pass_last_set_time (SAM_ACCOUNT *sampass, time_t mytime, enum pdb_v
        if (!sampass)
                return False;
 
-       sampass->private.pass_last_set_time = mytime;
+       sampass->private_u.pass_last_set_time = mytime;
 
        return pdb_set_init_flags(sampass, PDB_PASSLASTSET, flag);
 }
@@ -425,7 +449,7 @@ BOOL pdb_set_hours_len (SAM_ACCOUNT *sampass, uint32 len, enum pdb_value_state f
        if (!sampass)
                return False;
 
-       sampass->private.hours_len = len;
+       sampass->private_u.hours_len = len;
 
        return pdb_set_init_flags(sampass, PDB_HOURSLEN, flag);
 }
@@ -435,7 +459,7 @@ BOOL pdb_set_logon_divs (SAM_ACCOUNT *sampass, uint16 hours, enum pdb_value_stat
        if (!sampass)
                return False;
 
-       sampass->private.logon_divs = hours;
+       sampass->private_u.logon_divs = hours;
 
        return pdb_set_init_flags(sampass, PDB_LOGONDIVS, flag);
 }
@@ -452,16 +476,16 @@ BOOL pdb_set_init_flags (SAM_ACCOUNT *sampass, enum pdb_elements element, enum p
         if (!sampass || !sampass->mem_ctx)
                 return False;
 
-        if (!sampass->private.set_flags) {
-               if ((sampass->private.set_flags = 
+        if (!sampass->private_u.set_flags) {
+               if ((sampass->private_u.set_flags = 
                        bitmap_talloc(sampass->mem_ctx, 
                                        PDB_COUNT))==NULL) {
                        DEBUG(0,("bitmap_talloc failed\n"));
                        return False;
                }
         }
-        if (!sampass->private.change_flags) {
-               if ((sampass->private.change_flags = 
+        if (!sampass->private_u.change_flags) {
+               if ((sampass->private_u.change_flags = 
                        bitmap_talloc(sampass->mem_ctx, 
                                        PDB_COUNT))==NULL) {
                        DEBUG(0,("bitmap_talloc failed\n"));
@@ -471,22 +495,22 @@ BOOL pdb_set_init_flags (SAM_ACCOUNT *sampass, enum pdb_elements element, enum p
         
         switch(value_flag) {
                case PDB_CHANGED:
-                       if (!bitmap_set(sampass->private.change_flags, element)) {
+                       if (!bitmap_set(sampass->private_u.change_flags, element)) {
                                DEBUG(0,("Can't set flag: %d in change_flags.\n",element));
                                return False;
                        }
-                       if (!bitmap_set(sampass->private.set_flags, element)) {
+                       if (!bitmap_set(sampass->private_u.set_flags, element)) {
                                DEBUG(0,("Can't set flag: %d in set_flags.\n",element));
                                return False;
                        }
                        DEBUG(11, ("element %d -> now CHANGED\n", element)); 
                        break;
                case PDB_SET:
-                       if (!bitmap_clear(sampass->private.change_flags, element)) {
+                       if (!bitmap_clear(sampass->private_u.change_flags, element)) {
                                DEBUG(0,("Can't set flag: %d in change_flags.\n",element));
                                return False;
                        }
-                       if (!bitmap_set(sampass->private.set_flags, element)) {
+                       if (!bitmap_set(sampass->private_u.set_flags, element)) {
                                DEBUG(0,("Can't set flag: %d in set_flags.\n",element));
                                return False;
                        }
@@ -494,56 +518,30 @@ BOOL pdb_set_init_flags (SAM_ACCOUNT *sampass, enum pdb_elements element, enum p
                        break;
                case PDB_DEFAULT:
                default:
-                       if (!bitmap_clear(sampass->private.change_flags, element)) {
+                       if (!bitmap_clear(sampass->private_u.change_flags, element)) {
                                DEBUG(0,("Can't set flag: %d in change_flags.\n",element));
                                return False;
                        }
-                       if (!bitmap_clear(sampass->private.set_flags, element)) {
+                       if (!bitmap_clear(sampass->private_u.set_flags, element)) {
                                DEBUG(0,("Can't set flag: %d in set_flags.\n",element));
                                return False;
                        }
-                       DEBUG(10, ("element %d -> now DEFAULT\n", element)); 
+                       DEBUG(11, ("element %d -> now DEFAULT\n", element)); 
                        break;
        }
 
         return True;
 }
 
-BOOL pdb_set_uid (SAM_ACCOUNT *sampass, const uid_t uid, enum pdb_value_state flag)
-{      
-       if (!sampass)
-               return False;
-       
-       DEBUG(10, ("pdb_set_uid: setting uid %d, was %d\n", 
-                  (int)uid, (int)sampass->private.uid));
-       sampass->private.uid = uid;
-       
-       return pdb_set_init_flags(sampass, PDB_UID, flag);
-}
-
-BOOL pdb_set_gid (SAM_ACCOUNT *sampass, const gid_t gid, enum pdb_value_state flag)
-{
-       if (!sampass)
-               return False;
-               
-       DEBUG(10, ("pdb_set_gid: setting gid %d, was %d\n", 
-                  (int)gid, (int)sampass->private.gid));
-       sampass->private.gid = gid; 
-
-       return pdb_set_init_flags(sampass, PDB_GID, flag);
-}
-
-BOOL pdb_set_user_sid (SAM_ACCOUNT *sampass, DOM_SID *u_sid, enum pdb_value_state flag)
+BOOL pdb_set_user_sid (SAM_ACCOUNT *sampass, const DOM_SID *u_sid, enum pdb_value_state flag)
 {
        if (!sampass || !u_sid)
                return False;
        
-       sid_copy(&sampass->private.user_sid, u_sid);
+       sid_copy(&sampass->private_u.user_sid, u_sid);
 
        DEBUG(10, ("pdb_set_user_sid: setting user sid %s\n", 
-                   sid_string_static(&sampass->private.user_sid)));
+                   sid_string_static(&sampass->private_u.user_sid)));
 
        return pdb_set_init_flags(sampass, PDB_USERSID, flag);
 }
@@ -571,15 +569,15 @@ BOOL pdb_set_user_sid_from_string (SAM_ACCOUNT *sampass, fstring u_sid, enum pdb
        return True;
 }
 
-BOOL pdb_set_group_sid (SAM_ACCOUNT *sampass, DOM_SID *g_sid, enum pdb_value_state flag)
+BOOL pdb_set_group_sid (SAM_ACCOUNT *sampass, const DOM_SID *g_sid, enum pdb_value_state flag)
 {
        if (!sampass || !g_sid)
                return False;
 
-       sid_copy(&sampass->private.group_sid, g_sid);
+       sid_copy(&sampass->private_u.group_sid, g_sid);
 
        DEBUG(10, ("pdb_set_group_sid: setting group sid %s\n", 
-                   sid_string_static(&sampass->private.group_sid)));
+                   sid_string_static(&sampass->private_u.group_sid)));
 
        return pdb_set_init_flags(sampass, PDB_GROUPSID, flag);
 }
@@ -616,17 +614,17 @@ BOOL pdb_set_username(SAM_ACCOUNT *sampass, const char *username, enum pdb_value
  
        if (username) { 
                DEBUG(10, ("pdb_set_username: setting username %s, was %s\n", username,
-                       (sampass->private.username)?(sampass->private.username):"NULL"));
+                       (sampass->private_u.username)?(sampass->private_u.username):"NULL"));
 
-               sampass->private.username = talloc_strdup(sampass->mem_ctx, username);
+               sampass->private_u.username = talloc_strdup(sampass->mem_ctx, username);
 
-               if (!sampass->private.username) {
+               if (!sampass->private_u.username) {
                        DEBUG(0, ("pdb_set_username: talloc_strdup() failed!\n"));
                        return False;
                }
 
        } else {
-               sampass->private.username = PDB_NOT_QUITE_NULL;
+               sampass->private_u.username = PDB_NOT_QUITE_NULL;
        }
        
        return pdb_set_init_flags(sampass, PDB_USERNAME, flag);
@@ -643,17 +641,17 @@ BOOL pdb_set_domain(SAM_ACCOUNT *sampass, const char *domain, enum pdb_value_sta
 
        if (domain) { 
                DEBUG(10, ("pdb_set_domain: setting domain %s, was %s\n", domain,
-                       (sampass->private.domain)?(sampass->private.domain):"NULL"));
+                       (sampass->private_u.domain)?(sampass->private_u.domain):"NULL"));
 
-               sampass->private.domain = talloc_strdup(sampass->mem_ctx, domain);
+               sampass->private_u.domain = talloc_strdup(sampass->mem_ctx, domain);
 
-               if (!sampass->private.domain) {
+               if (!sampass->private_u.domain) {
                        DEBUG(0, ("pdb_set_domain: talloc_strdup() failed!\n"));
                        return False;
                }
 
        } else {
-               sampass->private.domain = PDB_NOT_QUITE_NULL;
+               sampass->private_u.domain = PDB_NOT_QUITE_NULL;
        }
 
        return pdb_set_init_flags(sampass, PDB_DOMAIN, flag);
@@ -670,17 +668,17 @@ BOOL pdb_set_nt_username(SAM_ACCOUNT *sampass, const char *nt_username, enum pdb
 
        if (nt_username) { 
                DEBUG(10, ("pdb_set_nt_username: setting nt username %s, was %s\n", nt_username,
-                       (sampass->private.nt_username)?(sampass->private.nt_username):"NULL"));
+                       (sampass->private_u.nt_username)?(sampass->private_u.nt_username):"NULL"));
  
-               sampass->private.nt_username = talloc_strdup(sampass->mem_ctx, nt_username);
+               sampass->private_u.nt_username = talloc_strdup(sampass->mem_ctx, nt_username);
                
-               if (!sampass->private.nt_username) {
+               if (!sampass->private_u.nt_username) {
                        DEBUG(0, ("pdb_set_nt_username: talloc_strdup() failed!\n"));
                        return False;
                }
 
        } else {
-               sampass->private.nt_username = PDB_NOT_QUITE_NULL;
+               sampass->private_u.nt_username = PDB_NOT_QUITE_NULL;
        }
 
        return pdb_set_init_flags(sampass, PDB_NTUSERNAME, flag);
@@ -697,17 +695,17 @@ BOOL pdb_set_fullname(SAM_ACCOUNT *sampass, const char *full_name, enum pdb_valu
 
        if (full_name) { 
                DEBUG(10, ("pdb_set_full_name: setting full name %s, was %s\n", full_name,
-                       (sampass->private.full_name)?(sampass->private.full_name):"NULL"));
+                       (sampass->private_u.full_name)?(sampass->private_u.full_name):"NULL"));
        
-               sampass->private.full_name = talloc_strdup(sampass->mem_ctx, full_name);
+               sampass->private_u.full_name = talloc_strdup(sampass->mem_ctx, full_name);
 
-               if (!sampass->private.full_name) {
+               if (!sampass->private_u.full_name) {
                        DEBUG(0, ("pdb_set_fullname: talloc_strdup() failed!\n"));
                        return False;
                }
 
        } else {
-               sampass->private.full_name = PDB_NOT_QUITE_NULL;
+               sampass->private_u.full_name = PDB_NOT_QUITE_NULL;
        }
 
        return pdb_set_init_flags(sampass, PDB_FULLNAME, flag);
@@ -724,17 +722,17 @@ BOOL pdb_set_logon_script(SAM_ACCOUNT *sampass, const char *logon_script, enum p
 
        if (logon_script) { 
                DEBUG(10, ("pdb_set_logon_script: setting logon script %s, was %s\n", logon_script,
-                       (sampass->private.logon_script)?(sampass->private.logon_script):"NULL"));
+                       (sampass->private_u.logon_script)?(sampass->private_u.logon_script):"NULL"));
  
-               sampass->private.logon_script = talloc_strdup(sampass->mem_ctx, logon_script);
+               sampass->private_u.logon_script = talloc_strdup(sampass->mem_ctx, logon_script);
 
-               if (!sampass->private.logon_script) {
+               if (!sampass->private_u.logon_script) {
                        DEBUG(0, ("pdb_set_logon_script: talloc_strdup() failed!\n"));
                        return False;
                }
 
        } else {
-               sampass->private.logon_script = PDB_NOT_QUITE_NULL;
+               sampass->private_u.logon_script = PDB_NOT_QUITE_NULL;
        }
        
        return pdb_set_init_flags(sampass, PDB_LOGONSCRIPT, flag);
@@ -751,17 +749,17 @@ BOOL pdb_set_profile_path (SAM_ACCOUNT *sampass, const char *profile_path, enum
 
        if (profile_path) { 
                DEBUG(10, ("pdb_set_profile_path: setting profile path %s, was %s\n", profile_path,
-                       (sampass->private.profile_path)?(sampass->private.profile_path):"NULL"));
+                       (sampass->private_u.profile_path)?(sampass->private_u.profile_path):"NULL"));
  
-               sampass->private.profile_path = talloc_strdup(sampass->mem_ctx, profile_path);
+               sampass->private_u.profile_path = talloc_strdup(sampass->mem_ctx, profile_path);
                
-               if (!sampass->private.profile_path) {
+               if (!sampass->private_u.profile_path) {
                        DEBUG(0, ("pdb_set_profile_path: talloc_strdup() failed!\n"));
                        return False;
                }
 
        } else {
-               sampass->private.profile_path = PDB_NOT_QUITE_NULL;
+               sampass->private_u.profile_path = PDB_NOT_QUITE_NULL;
        }
 
        return pdb_set_init_flags(sampass, PDB_PROFILE, flag);
@@ -778,17 +776,17 @@ BOOL pdb_set_dir_drive (SAM_ACCOUNT *sampass, const char *dir_drive, enum pdb_va
 
        if (dir_drive) { 
                DEBUG(10, ("pdb_set_dir_drive: setting dir drive %s, was %s\n", dir_drive,
-                       (sampass->private.dir_drive)?(sampass->private.dir_drive):"NULL"));
+                       (sampass->private_u.dir_drive)?(sampass->private_u.dir_drive):"NULL"));
  
-               sampass->private.dir_drive = talloc_strdup(sampass->mem_ctx, dir_drive);
+               sampass->private_u.dir_drive = talloc_strdup(sampass->mem_ctx, dir_drive);
                
-               if (!sampass->private.dir_drive) {
+               if (!sampass->private_u.dir_drive) {
                        DEBUG(0, ("pdb_set_dir_drive: talloc_strdup() failed!\n"));
                        return False;
                }
 
        } else {
-               sampass->private.dir_drive = PDB_NOT_QUITE_NULL;
+               sampass->private_u.dir_drive = PDB_NOT_QUITE_NULL;
        }
        
        return pdb_set_init_flags(sampass, PDB_DRIVE, flag);
@@ -805,17 +803,17 @@ BOOL pdb_set_homedir (SAM_ACCOUNT *sampass, const char *home_dir, enum pdb_value
 
        if (home_dir) { 
                DEBUG(10, ("pdb_set_homedir: setting home dir %s, was %s\n", home_dir,
-                       (sampass->private.home_dir)?(sampass->private.home_dir):"NULL"));
+                       (sampass->private_u.home_dir)?(sampass->private_u.home_dir):"NULL"));
  
-               sampass->private.home_dir = talloc_strdup(sampass->mem_ctx, home_dir);
+               sampass->private_u.home_dir = talloc_strdup(sampass->mem_ctx, home_dir);
                
-               if (!sampass->private.home_dir) {
+               if (!sampass->private_u.home_dir) {
                        DEBUG(0, ("pdb_set_home_dir: talloc_strdup() failed!\n"));
                        return False;
                }
 
        } else {
-               sampass->private.home_dir = PDB_NOT_QUITE_NULL;
+               sampass->private_u.home_dir = PDB_NOT_QUITE_NULL;
        }
 
        return pdb_set_init_flags(sampass, PDB_SMBHOME, flag);
@@ -832,18 +830,18 @@ BOOL pdb_set_unix_homedir (SAM_ACCOUNT *sampass, const char *unix_home_dir, enum
 
        if (unix_home_dir) { 
                DEBUG(10, ("pdb_set_unix_homedir: setting home dir %s, was %s\n", unix_home_dir,
-                       (sampass->private.unix_home_dir)?(sampass->private.unix_home_dir):"NULL"));
+                       (sampass->private_u.unix_home_dir)?(sampass->private_u.unix_home_dir):"NULL"));
  
-               sampass->private.unix_home_dir = talloc_strdup(sampass->mem_ctx, 
+               sampass->private_u.unix_home_dir = talloc_strdup(sampass->mem_ctx, 
                                                          unix_home_dir);
                
-               if (!sampass->private.unix_home_dir) {
+               if (!sampass->private_u.unix_home_dir) {
                        DEBUG(0, ("pdb_set_unix_home_dir: talloc_strdup() failed!\n"));
                        return False;
                }
 
        } else {
-               sampass->private.unix_home_dir = PDB_NOT_QUITE_NULL;
+               sampass->private_u.unix_home_dir = PDB_NOT_QUITE_NULL;
        }
 
        return pdb_set_init_flags(sampass, PDB_UNIXHOMEDIR, flag);
@@ -859,15 +857,15 @@ BOOL pdb_set_acct_desc (SAM_ACCOUNT *sampass, const char *acct_desc, enum pdb_va
                return False;
 
        if (acct_desc) { 
-               sampass->private.acct_desc = talloc_strdup(sampass->mem_ctx, acct_desc);
+               sampass->private_u.acct_desc = talloc_strdup(sampass->mem_ctx, acct_desc);
 
-               if (!sampass->private.acct_desc) {
+               if (!sampass->private_u.acct_desc) {
                        DEBUG(0, ("pdb_set_acct_desc: talloc_strdup() failed!\n"));
                        return False;
                }
 
        } else {
-               sampass->private.acct_desc = PDB_NOT_QUITE_NULL;
+               sampass->private_u.acct_desc = PDB_NOT_QUITE_NULL;
        }
 
        return pdb_set_init_flags(sampass, PDB_ACCTDESC, flag);
@@ -884,17 +882,17 @@ BOOL pdb_set_workstations (SAM_ACCOUNT *sampass, const char *workstations, enum
 
        if (workstations) { 
                DEBUG(10, ("pdb_set_workstations: setting workstations %s, was %s\n", workstations,
-                       (sampass->private.workstations)?(sampass->private.workstations):"NULL"));
+                       (sampass->private_u.workstations)?(sampass->private_u.workstations):"NULL"));
  
-               sampass->private.workstations = talloc_strdup(sampass->mem_ctx, workstations);
+               sampass->private_u.workstations = talloc_strdup(sampass->mem_ctx, workstations);
 
-               if (!sampass->private.workstations) {
+               if (!sampass->private_u.workstations) {
                        DEBUG(0, ("pdb_set_workstations: talloc_strdup() failed!\n"));
                        return False;
                }
 
        } else {
-               sampass->private.workstations = PDB_NOT_QUITE_NULL;
+               sampass->private_u.workstations = PDB_NOT_QUITE_NULL;
        }
 
        return pdb_set_init_flags(sampass, PDB_WORKSTATIONS, flag);
@@ -910,15 +908,15 @@ BOOL pdb_set_unknown_str (SAM_ACCOUNT *sampass, const char *unknown_str, enum pd
                return False;
 
        if (unknown_str) { 
-               sampass->private.unknown_str = talloc_strdup(sampass->mem_ctx, unknown_str);
+               sampass->private_u.unknown_str = talloc_strdup(sampass->mem_ctx, unknown_str);
                
-               if (!sampass->private.unknown_str) {
+               if (!sampass->private_u.unknown_str) {
                        DEBUG(0, ("pdb_set_unknown_str: talloc_strdup() failed!\n"));
                        return False;
                }
 
        } else {
-               sampass->private.unknown_str = PDB_NOT_QUITE_NULL;
+               sampass->private_u.unknown_str = PDB_NOT_QUITE_NULL;
        }
 
        return pdb_set_init_flags(sampass, PDB_UNKNOWNSTR, flag);
@@ -934,15 +932,15 @@ BOOL pdb_set_munged_dial (SAM_ACCOUNT *sampass, const char *munged_dial, enum pd
                return False;
 
        if (munged_dial) { 
-               sampass->private.munged_dial = talloc_strdup(sampass->mem_ctx, munged_dial);
+               sampass->private_u.munged_dial = talloc_strdup(sampass->mem_ctx, munged_dial);
                
-               if (!sampass->private.munged_dial) {
+               if (!sampass->private_u.munged_dial) {
                        DEBUG(0, ("pdb_set_munged_dial: talloc_strdup() failed!\n"));
                        return False;
                }
 
        } else {
-               sampass->private.munged_dial = PDB_NOT_QUITE_NULL;
+               sampass->private_u.munged_dial = PDB_NOT_QUITE_NULL;
        }
 
        return pdb_set_init_flags(sampass, PDB_MUNGEDDIAL, flag);
@@ -957,9 +955,13 @@ BOOL pdb_set_nt_passwd (SAM_ACCOUNT *sampass, const uint8 pwd[NT_HASH_LEN], enum
        if (!sampass)
                return False;
 
-       data_blob_clear_free(&sampass->private.nt_pw);
+       data_blob_clear_free(&sampass->private_u.nt_pw);
        
-       sampass->private.nt_pw = data_blob(pwd, NT_HASH_LEN);
+       if (pwd) {
+               sampass->private_u.nt_pw = data_blob(pwd, NT_HASH_LEN);
+       } else {
+               sampass->private_u.nt_pw = data_blob(NULL, 0);
+       }
 
        return pdb_set_init_flags(sampass, PDB_NTPASSWD, flag);
 }
@@ -973,13 +975,43 @@ BOOL pdb_set_lanman_passwd (SAM_ACCOUNT *sampass, const uint8 pwd[LM_HASH_LEN],
        if (!sampass)
                return False;
 
-       data_blob_clear_free(&sampass->private.lm_pw);
+       data_blob_clear_free(&sampass->private_u.lm_pw);
        
-       sampass->private.lm_pw = data_blob(pwd, LM_HASH_LEN);
+       if (pwd) {
+               sampass->private_u.lm_pw = data_blob(pwd, LM_HASH_LEN);
+       } else {
+               sampass->private_u.lm_pw = data_blob(NULL, 0);
+       }
 
        return pdb_set_init_flags(sampass, PDB_LMPASSWD, flag);
 }
 
+/*********************************************************************
+ Set the user's password history hash. historyLen is the number of 
+ PW_HISTORY_SALT_LEN+SALTED_MD5_HASH_LEN length
+ entries to store in the history - this must match the size of the uint8 array
+ in pwd.
+********************************************************************/
+
+BOOL pdb_set_pw_history (SAM_ACCOUNT *sampass, const uint8 *pwd, uint32 historyLen, enum pdb_value_state flag)
+{
+       if (!sampass)
+               return False;
+
+       if (historyLen && pwd){
+               sampass->private_u.nt_pw_his = data_blob_talloc(sampass->mem_ctx,
+                                               pwd, historyLen*PW_HISTORY_ENTRY_LEN);
+               if (!sampass->private_u.nt_pw_his.length) {
+                       DEBUG(0, ("pdb_set_pw_history: data_blob_talloc() failed!\n"));
+                       return False;
+               }
+       } else {
+               sampass->private_u.nt_pw_his = data_blob_talloc(sampass->mem_ctx, NULL, 0);
+       }
+
+       return pdb_set_init_flags(sampass, PDB_PWHISTORY, flag);
+}
+
 /*********************************************************************
  Set the user's plaintext password only (base procedure, see helper
  below)
@@ -991,41 +1023,41 @@ BOOL pdb_set_plaintext_pw_only (SAM_ACCOUNT *sampass, const char *password, enum
                return False;
 
        if (password) { 
-               if (sampass->private.plaintext_pw!=NULL) 
-                       memset(sampass->private.plaintext_pw,'\0',strlen(sampass->private.plaintext_pw)+1);
+               if (sampass->private_u.plaintext_pw!=NULL) 
+                       memset(sampass->private_u.plaintext_pw,'\0',strlen(sampass->private_u.plaintext_pw)+1);
 
-               sampass->private.plaintext_pw = talloc_strdup(sampass->mem_ctx, password);
+               sampass->private_u.plaintext_pw = talloc_strdup(sampass->mem_ctx, password);
                
-               if (!sampass->private.plaintext_pw) {
+               if (!sampass->private_u.plaintext_pw) {
                        DEBUG(0, ("pdb_set_unknown_str: talloc_strdup() failed!\n"));
                        return False;
                }
 
        } else {
-               sampass->private.plaintext_pw = NULL;
+               sampass->private_u.plaintext_pw = NULL;
        }
 
        return pdb_set_init_flags(sampass, PDB_PLAINTEXT_PW, flag);
 }
 
-BOOL pdb_set_unknown_3 (SAM_ACCOUNT *sampass, uint32 unkn, enum pdb_value_state flag)
+BOOL pdb_set_bad_password_count(SAM_ACCOUNT *sampass, uint16 bad_password_count, enum pdb_value_state flag)
 {
        if (!sampass)
                return False;
 
-       sampass->private.unknown_3 = unkn;
-       
-       return pdb_set_init_flags(sampass, PDB_UNKNOWN3, flag);
+       sampass->private_u.bad_password_count = bad_password_count;
+
+       return pdb_set_init_flags(sampass, PDB_BAD_PASSWORD_COUNT, flag);
 }
 
-BOOL pdb_set_unknown_5 (SAM_ACCOUNT *sampass, uint32 unkn, enum pdb_value_state flag)
+BOOL pdb_set_logon_count(SAM_ACCOUNT *sampass, uint16 logon_count, enum pdb_value_state flag)
 {
        if (!sampass)
                return False;
 
-       sampass->private.unknown_5 = unkn;
+       sampass->private_u.logon_count = logon_count;
 
-       return pdb_set_init_flags(sampass, PDB_UNKNOWN5, flag);
+       return pdb_set_init_flags(sampass, PDB_LOGON_COUNT, flag);
 }
 
 BOOL pdb_set_unknown_6 (SAM_ACCOUNT *sampass, uint32 unkn, enum pdb_value_state flag)
@@ -1033,7 +1065,7 @@ BOOL pdb_set_unknown_6 (SAM_ACCOUNT *sampass, uint32 unkn, enum pdb_value_state
        if (!sampass)
                return False;
 
-       sampass->private.unknown_6 = unkn;
+       sampass->private_u.unknown_6 = unkn;
 
        return pdb_set_init_flags(sampass, PDB_UNKNOWN6, flag);
 }
@@ -1044,15 +1076,34 @@ BOOL pdb_set_hours (SAM_ACCOUNT *sampass, const uint8 *hours, enum pdb_value_sta
                return False;
 
        if (!hours) {
-               memset ((char *)sampass->private.hours, 0, MAX_HOURS_LEN);
+               memset ((char *)sampass->private_u.hours, 0, MAX_HOURS_LEN);
                return True;
        }
        
-       memcpy (sampass->private.hours, hours, MAX_HOURS_LEN);
+       memcpy (sampass->private_u.hours, hours, MAX_HOURS_LEN);
 
        return pdb_set_init_flags(sampass, PDB_HOURS, flag);
 }
 
+BOOL pdb_set_backend_private_data (SAM_ACCOUNT *sampass, void *private_data, 
+                                  void (*free_fn)(void **), 
+                                  const struct pdb_methods *my_methods, 
+                                  enum pdb_value_state flag)
+{
+       if (!sampass)
+               return False;
+
+       if (sampass->private_u.backend_private_data && sampass->private_u.backend_private_data_free_fn) {
+               sampass->private_u.backend_private_data_free_fn(&sampass->private_u.backend_private_data);
+       }
+
+       sampass->private_u.backend_private_data = private_data;
+       sampass->private_u.backend_private_data_free_fn = free_fn;
+       sampass->private_u.backend_private_methods = my_methods;
+
+       return pdb_set_init_flags(sampass, PDB_BACKEND_PRIVATE_DATA, flag);
+}
+
 
 /* Helpful interfaces to the above */
 
@@ -1072,8 +1123,8 @@ BOOL pdb_set_pass_changed_now (SAM_ACCOUNT *sampass)
        if (!pdb_set_pass_last_set_time (sampass, time(NULL), PDB_CHANGED))
                return False;
 
-       if (!account_policy_get(AP_MAX_PASSWORD_AGE, &expire) 
-           || (expire==(uint32)-1)) {
+       if (!pdb_get_account_policy(AP_MAX_PASSWORD_AGE, &expire) 
+           || (expire==(uint32)-1) || (expire == 0)) {
                if (!pdb_set_pass_must_change_time (sampass, get_time_t_max(), PDB_CHANGED))
                        return False;
        } else {
@@ -1083,7 +1134,7 @@ BOOL pdb_set_pass_changed_now (SAM_ACCOUNT *sampass)
                        return False;
        }
        
-       if (!account_policy_get(AP_MIN_PASSWORD_AGE, &min_age) 
+       if (!pdb_get_account_policy(AP_MIN_PASSWORD_AGE, &min_age) 
            || (min_age==(uint32)-1)) {
                if (!pdb_set_pass_can_change_time (sampass, 0, PDB_CHANGED))
                        return False;
@@ -1103,19 +1154,30 @@ BOOL pdb_set_pass_changed_now (SAM_ACCOUNT *sampass)
 
 BOOL pdb_set_plaintext_passwd (SAM_ACCOUNT *sampass, const char *plaintext)
 {
-       uchar new_lanman_p16[16];
-       uchar new_nt_p16[16];
+       uchar new_lanman_p16[LM_HASH_LEN];
+       uchar new_nt_p16[NT_HASH_LEN];
 
        if (!sampass || !plaintext)
                return False;
-       
-       nt_lm_owf_gen (plaintext, new_nt_p16, new_lanman_p16);
+
+       /* Calculate the MD4 hash (NT compatible) of the password */
+       E_md4hash(plaintext, new_nt_p16);
 
        if (!pdb_set_nt_passwd (sampass, new_nt_p16, PDB_CHANGED)) 
                return False;
 
-       if (!pdb_set_lanman_passwd (sampass, new_lanman_p16, PDB_CHANGED)) 
-               return False;
+       if (!E_deshash(plaintext, new_lanman_p16)) {
+               /* E_deshash returns false for 'long' passwords (> 14
+                  DOS chars).  This allows us to match Win2k, which
+                  does not store a LM hash for these passwords (which
+                  would reduce the effective password length to 14 */
+
+               if (!pdb_set_lanman_passwd (sampass, NULL, PDB_CHANGED)) 
+                       return False;
+       } else {
+               if (!pdb_set_lanman_passwd (sampass, new_lanman_p16, PDB_CHANGED)) 
+                       return False;
+       }
 
        if (!pdb_set_plaintext_pw_only (sampass, plaintext, PDB_CHANGED)) 
                return False;
@@ -1123,5 +1185,70 @@ BOOL pdb_set_plaintext_passwd (SAM_ACCOUNT *sampass, const char *plaintext)
        if (!pdb_set_pass_changed_now (sampass))
                return False;
 
+       /* Store the password history. */
+       if (pdb_get_acct_ctrl(sampass) & ACB_NORMAL) {
+               uchar *pwhistory;
+               uint32 pwHistLen;
+               pdb_get_account_policy(AP_PASSWORD_HISTORY, &pwHistLen);
+               if (pwHistLen != 0){
+                       uint32 current_history_len;
+                       /* We need to make sure we don't have a race condition here - the
+                          account policy history length can change between when the pw_history
+                          was first loaded into the SAM_ACCOUNT struct and now.... JRA. */
+                       pwhistory = (uchar *)pdb_get_pw_history(sampass, &current_history_len);
+
+                       if (current_history_len != pwHistLen) {
+                               /* After closing and reopening SAM_ACCOUNT the history
+                                       values will sync up. We can't do this here. */
+
+                               /* current_history_len > pwHistLen is not a problem - we
+                                       have more history than we need. */
+
+                               if (current_history_len < pwHistLen) {
+                                       /* Ensure we have space for the needed history. */
+                                       uchar *new_history = TALLOC(sampass->mem_ctx,
+                                                               pwHistLen*PW_HISTORY_ENTRY_LEN);
+                                       /* And copy it into the new buffer. */
+                                       if (current_history_len) {
+                                               memcpy(new_history, pwhistory,
+                                                       current_history_len*PW_HISTORY_ENTRY_LEN);
+                                       }
+                                       /* Clearing out any extra space. */
+                                       memset(&new_history[current_history_len*PW_HISTORY_ENTRY_LEN],
+                                               '\0', (pwHistLen-current_history_len)*PW_HISTORY_ENTRY_LEN);
+                                       /* Finally replace it. */
+                                       pwhistory = new_history;
+                               }
+                       }
+                       if (pwhistory && pwHistLen){
+                               /* Make room for the new password in the history list. */
+                               if (pwHistLen > 1) {
+                                       memmove(&pwhistory[PW_HISTORY_ENTRY_LEN],
+                                               pwhistory, (pwHistLen -1)*PW_HISTORY_ENTRY_LEN );
+                               }
+                               /* Create the new salt as the first part of the history entry. */
+                               generate_random_buffer(pwhistory, PW_HISTORY_SALT_LEN);
+
+                               /* Generate the md5 hash of the salt+new password as the second
+                                       part of the history entry. */
+
+                               E_md5hash(pwhistory, new_nt_p16, &pwhistory[PW_HISTORY_SALT_LEN]);
+                               pdb_set_pw_history(sampass, pwhistory, pwHistLen, PDB_CHANGED);
+                       } else {
+                               DEBUG (10,("pdb_get_set.c: pdb_set_plaintext_passwd: pwhistory was NULL!\n"));
+                       }
+               } else {
+                       /* Set the history length to zero. */
+                       pdb_set_pw_history(sampass, NULL, 0, PDB_CHANGED);
+               }
+       }
+
        return True;
 }
+
+/* check for any PDB_SET/CHANGED field and fill the appropriate mask bit */
+uint32 pdb_build_fields_present (SAM_ACCOUNT *sampass)
+{
+       /* value set to all for testing */
+       return 0x00ffffff;
+}