r4805: Last planned change to the privileges infrastructure:
[samba.git] / source3 / rpc_server / srv_samr_nt.c
index b50d44d9e363b2ed941cac237621dfb351dcd5e7..515eefb1fa6945ce6794ab0d55534b1f14325189 100644 (file)
@@ -7,8 +7,8 @@
  *  Copyright (C) Marc Jacobsen                            1999,
  *  Copyright (C) Jeremy Allison               2001-2002,
  *  Copyright (C) Jean François Micouleau      1998-2001,
- *  Copyright (C) Jim McDonough <jmcd@us.ibm.com>   2002.
- *  Copyright (C) Gerald (Jerry) Carter             2003.
+ *  Copyright (C) Jim McDonough <jmcd@us.ibm.com>   2002,
+ *  Copyright (C) Gerald (Jerry) Carter             2003 - 2004,
  *
  *  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
@@ -75,7 +75,7 @@ static NTSTATUS samr_make_dom_obj_sd(TALLOC_CTX *ctx, SEC_DESC **psd, size_t *sd
  level of access for further checks.
 ********************************************************************/
 
-NTSTATUS access_check_samr_object(SEC_DESC *psd, NT_USER_TOKEN *nt_user_token, uint32 des_access, 
+static NTSTATUS access_check_samr_object(SEC_DESC *psd, NT_USER_TOKEN *nt_user_token, uint32 des_access, 
                                  uint32 *acc_granted, const char *debug) 
 {
        NTSTATUS status = NT_STATUS_ACCESS_DENIED;
@@ -100,7 +100,7 @@ NTSTATUS access_check_samr_object(SEC_DESC *psd, NT_USER_TOKEN *nt_user_token, u
  Checks if access to a function can be granted
 ********************************************************************/
 
-NTSTATUS access_check_samr_function(uint32 acc_granted, uint32 acc_required, const char *debug)
+static NTSTATUS access_check_samr_function(uint32 acc_granted, uint32 acc_required, const char *debug)
 {
        DEBUG(5,("%s: access check ((granted: %#010x;  required: %#010x)\n",
                        debug, acc_granted, acc_required));
@@ -137,7 +137,7 @@ static struct samr_info *get_samr_info_by_sid(DOM_SID *psid)
 
        mem_ctx = talloc_init("samr_info for domain sid %s", sid_str);
 
-       if ((info = (struct samr_info *)talloc(mem_ctx, sizeof(struct samr_info))) == NULL)
+       if ((info = TALLOC_P(mem_ctx, struct samr_info)) == NULL)
                return NULL;
 
        ZERO_STRUCTP(info);
@@ -255,8 +255,8 @@ static NTSTATUS load_sampwd_entries(struct samr_info *info, uint16 acb_mask, BOO
                if (info->disp_info.num_user_account % MAX_SAM_ENTRIES == 0) {
                
                        DEBUG(10,("load_sampwd_entries: allocating more memory\n"));
-                       pwd_array=(SAM_ACCOUNT *)talloc_realloc(mem_ctx, info->disp_info.disp_user_info, 
-                                         (info->disp_info.num_user_account+MAX_SAM_ENTRIES)*sizeof(SAM_ACCOUNT));
+                       pwd_array=TALLOC_REALLOC_ARRAY(mem_ctx, info->disp_info.disp_user_info, SAM_ACCOUNT,
+                                         info->disp_info.num_user_account+MAX_SAM_ENTRIES);
 
                        if (pwd_array==NULL)
                                return NT_STATUS_NO_MEMORY;
@@ -302,6 +302,13 @@ static NTSTATUS load_group_domain_entries(struct samr_info *info, DOM_SID *sid)
                return NT_STATUS_OK;
        }
        
+       if (sid_equal(sid, &global_sid_Builtin)) {
+               /* No domain groups for now in the BUILTIN domain */
+               info->disp_info.num_group_account=0;
+               info->disp_info.disp_group_info=NULL;
+               info->disp_info.group_dbloaded=True;
+               return NT_STATUS_OK;
+       }
 
        become_root();
        ret = pdb_enum_group_mapping(SID_NAME_DOM_GRP, &map, (int *)&group_entries, ENUM_ONLY_MAPPED); 
@@ -315,7 +322,7 @@ static NTSTATUS load_group_domain_entries(struct samr_info *info, DOM_SID *sid)
 
        info->disp_info.num_group_account=group_entries;
 
-       grp_array=(DOMAIN_GRP *)talloc(mem_ctx, info->disp_info.num_group_account*sizeof(DOMAIN_GRP));
+       grp_array=TALLOC_ARRAY(mem_ctx, DOMAIN_GRP, info->disp_info.num_group_account);
        if (group_entries!=0 && grp_array==NULL) {
                DEBUG(1, ("load_group_domain_entries: talloc() failed for grp_array!\n"));
                SAFE_FREE(map);
@@ -443,11 +450,10 @@ NTSTATUS _samr_get_usrdom_pwinfo(pipes_struct *p, SAMR_Q_GET_USRDOM_PWINFO *q_u,
 static NTSTATUS samr_make_dom_obj_sd(TALLOC_CTX *ctx, SEC_DESC **psd, size_t *sd_size)
 {
        extern DOM_SID global_sid_World;
-       DOM_SID adm_sid;
-       DOM_SID act_sid;
-
-       SEC_ACE ace[3];
+       DOM_SID adm_sid, act_sid, domadmin_sid;
+       SEC_ACE ace[4];
        SEC_ACCESS mask;
+       size_t i = 0;
 
        SEC_ACL *psa = NULL;
 
@@ -459,14 +465,24 @@ static NTSTATUS samr_make_dom_obj_sd(TALLOC_CTX *ctx, SEC_DESC **psd, size_t *sd
 
        /*basic access for every one*/
        init_sec_access(&mask, GENERIC_RIGHTS_DOMAIN_EXECUTE | GENERIC_RIGHTS_DOMAIN_READ);
-       init_sec_ace(&ace[0], &global_sid_World, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
+       init_sec_ace(&ace[i++], &global_sid_World, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
 
        /*full access for builtin aliases Administrators and Account Operators*/
+       
        init_sec_access(&mask, GENERIC_RIGHTS_DOMAIN_ALL_ACCESS);
-       init_sec_ace(&ace[1], &adm_sid, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
-       init_sec_ace(&ace[2], &act_sid, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
+       
+       init_sec_ace(&ace[i++], &adm_sid, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
+       init_sec_ace(&ace[i++], &act_sid, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
+       
+       /* add domain admins if we are a DC */
+       
+       if ( IS_DC ) {
+               sid_copy( &domadmin_sid, get_global_sam_sid() );
+               sid_append_rid( &domadmin_sid, DOMAIN_GROUP_RID_ADMINS );
+               init_sec_ace(&ace[i++], &domadmin_sid, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
+       }
 
-       if ((psa = make_sec_acl(ctx, NT4_ACL_REVISION, 3, ace)) == NULL)
+       if ((psa = make_sec_acl(ctx, NT4_ACL_REVISION, i, ace)) == NULL)
                return NT_STATUS_NO_MEMORY;
 
        if ((*psd = make_sec_desc(ctx, SEC_DESC_REVISION, SEC_DESC_SELF_RELATIVE, NULL, NULL, NULL, psa, sd_size)) == NULL)
@@ -482,10 +498,10 @@ static NTSTATUS samr_make_dom_obj_sd(TALLOC_CTX *ctx, SEC_DESC **psd, size_t *sd
 static NTSTATUS samr_make_usr_obj_sd(TALLOC_CTX *ctx, SEC_DESC **psd, size_t *sd_size, DOM_SID *usr_sid)
 {
        extern DOM_SID global_sid_World;
-       DOM_SID adm_sid;
-       DOM_SID act_sid;
+       DOM_SID adm_sid, act_sid, domadmin_sid;
+       size_t i = 0;
 
-       SEC_ACE ace[4];
+       SEC_ACE ace[5];
        SEC_ACCESS mask;
 
        SEC_ACL *psa = NULL;
@@ -497,17 +513,28 @@ static NTSTATUS samr_make_usr_obj_sd(TALLOC_CTX *ctx, SEC_DESC **psd, size_t *sd
        sid_append_rid(&act_sid, BUILTIN_ALIAS_RID_ACCOUNT_OPS);
 
        /*basic access for every one*/
+       
        init_sec_access(&mask, GENERIC_RIGHTS_USER_EXECUTE | GENERIC_RIGHTS_USER_READ);
-       init_sec_ace(&ace[0], &global_sid_World, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
+       init_sec_ace(&ace[i++], &global_sid_World, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
 
        /*full access for builtin aliases Administrators and Account Operators*/
+       
        init_sec_access(&mask, GENERIC_RIGHTS_USER_ALL_ACCESS);
-       init_sec_ace(&ace[1], &adm_sid, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
-       init_sec_ace(&ace[2], &act_sid, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
+       init_sec_ace(&ace[i++], &adm_sid, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
+       init_sec_ace(&ace[i++], &act_sid, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
+
+       /* add domain admins if we are a DC */
+       
+       if ( IS_DC ) {
+               sid_copy( &domadmin_sid, get_global_sam_sid() );
+               sid_append_rid( &domadmin_sid, DOMAIN_GROUP_RID_ADMINS );
+               init_sec_ace(&ace[i++], &domadmin_sid, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
+       }
 
        /*extended access for the user*/
+       
        init_sec_access(&mask,READ_CONTROL_ACCESS | SA_RIGHT_USER_CHANGE_PASSWORD | SA_RIGHT_USER_SET_LOC_COM);
-       init_sec_ace(&ace[3], usr_sid, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
+       init_sec_ace(&ace[i++], usr_sid, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
 
        if ((psa = make_sec_acl(ctx, NT4_ACL_REVISION, 4, ace)) == NULL)
                return NT_STATUS_NO_MEMORY;
@@ -709,9 +736,9 @@ static NTSTATUS make_user_sam_entry_list(TALLOC_CTX *ctx, SAM_ENTRY **sam_pp, UN
        if (num_entries == 0)
                return NT_STATUS_OK;
 
-       sam = (SAM_ENTRY *)talloc_zero(ctx, sizeof(SAM_ENTRY)*num_entries);
+       sam = TALLOC_ZERO_ARRAY(ctx, SAM_ENTRY, num_entries);
 
-       uni_name = (UNISTR2 *)talloc_zero(ctx, sizeof(UNISTR2)*num_entries);
+       uni_name = TALLOC_ZERO_ARRAY(ctx, UNISTR2, num_entries);
 
        if (sam == NULL || uni_name == NULL) {
                DEBUG(0, ("make_user_sam_entry_list: talloc_zero failed!\n"));
@@ -721,7 +748,17 @@ static NTSTATUS make_user_sam_entry_list(TALLOC_CTX *ctx, SAM_ENTRY **sam_pp, UN
        for (i = 0; i < num_entries; i++) {
                pwd = &disp_user_info[i+start_idx];
                temp_name = pdb_get_username(pwd);
-               init_unistr2(&uni_temp_name, temp_name, UNI_STR_TERMINATE);
+
+               /*
+                * usrmgr expects a non-NULL terminated string with
+                * trust relationships
+                */
+               if (pdb_get_acct_ctrl(pwd) & ACB_DOMTRUST) {
+                       init_unistr2(&uni_temp_name, temp_name, UNI_FLAGS_NONE);
+               } else {
+                       init_unistr2(&uni_temp_name, temp_name, UNI_STR_TERMINATE);
+               }
+
                user_sid = pdb_get_user_sid(pwd);
 
                if (!sid_peek_check_rid(domain_sid, user_sid, &user_rid)) {
@@ -854,9 +891,8 @@ static void make_group_sam_entry_list(TALLOC_CTX *ctx, SAM_ENTRY **sam_pp, UNIST
        if (num_sam_entries == 0)
                return;
 
-       sam = (SAM_ENTRY *)talloc_zero(ctx, sizeof(SAM_ENTRY)*num_sam_entries);
-
-       uni_name = (UNISTR2 *)talloc_zero(ctx, sizeof(UNISTR2)*num_sam_entries);
+       sam = TALLOC_ZERO_ARRAY(ctx, SAM_ENTRY, num_sam_entries);
+       uni_name = TALLOC_ZERO_ARRAY(ctx, UNISTR2, num_sam_entries);
 
        if (sam == NULL || uni_name == NULL) {
                DEBUG(0, ("NULL pointers in SAMR_R_QUERY_DISPINFO\n"));
@@ -879,7 +915,7 @@ static void make_group_sam_entry_list(TALLOC_CTX *ctx, SAM_ENTRY **sam_pp, UNIST
  Get the group entries - similar to get_sampwd_entries().
  ******************************************************************/
 
-static NTSTATUS get_group_entries( enum SID_NAME_USE type, TALLOC_CTX *ctx, 
+static NTSTATUS get_group_domain_entries( TALLOC_CTX *ctx, 
                                    DOMAIN_GRP **d_grp, DOM_SID *sid, uint32 start_idx,
                                    uint32 *p_num_entries, uint32 max_entries )
 {
@@ -894,7 +930,8 @@ static NTSTATUS get_group_entries( enum SID_NAME_USE type, TALLOC_CTX *ctx,
           needed for some passdb backends to enumerate groups */
           
        become_root();
-       pdb_enum_group_mapping(type, &map, (int *)&group_entries, ENUM_ONLY_MAPPED);
+       pdb_enum_group_mapping(SID_NAME_DOM_GRP, &map, (int *)&group_entries,
+                              ENUM_ONLY_MAPPED);
        unbecome_root();
        
        num_entries=group_entries-start_idx;
@@ -905,7 +942,7 @@ static NTSTATUS get_group_entries( enum SID_NAME_USE type, TALLOC_CTX *ctx,
                num_entries=max_entries;
        }
 
-       *d_grp=(DOMAIN_GRP *)talloc_zero(ctx, num_entries*sizeof(DOMAIN_GRP));
+       *d_grp=TALLOC_ZERO_ARRAY(ctx, DOMAIN_GRP, num_entries);
        if (num_entries!=0 && *d_grp==NULL){
                SAFE_FREE(map);
                return NT_STATUS_NO_MEMORY;
@@ -915,51 +952,57 @@ static NTSTATUS get_group_entries( enum SID_NAME_USE type, TALLOC_CTX *ctx,
                fstrcpy((*d_grp)[i].name, map[i+start_idx].nt_name);
                fstrcpy((*d_grp)[i].comment, map[i+start_idx].comment);
                sid_split_rid(&map[i+start_idx].sid, &(*d_grp)[i].rid);
-               (*d_grp)[i].attr=type;
+               (*d_grp)[i].attr=SID_NAME_DOM_GRP;
        }
 
        SAFE_FREE(map);
 
        *p_num_entries = num_entries;
 
-       DEBUG(10,("get_group_entries: returning %d entries\n", *p_num_entries));
+       DEBUG(10,("get_group_domain_entries: returning %d entries\n",
+                 *p_num_entries));
 
        return NT_STATUS_OK;
 }
 
 /*******************************************************************
- Wrapper for enuemrating domain groups
+ Wrapper for enumerating local groups
  ******************************************************************/
 
-static NTSTATUS get_group_domain_entries( TALLOC_CTX *ctx, DOMAIN_GRP **d_grp, 
-                                         DOM_SID *sid, uint32 start_idx, 
-                                         uint32 *p_num_entries, uint32 max_entries )
+static NTSTATUS get_alias_entries( TALLOC_CTX *ctx, DOMAIN_GRP **d_grp,
+                                  const DOM_SID *sid, uint32 start_idx,
+                                   uint32 *p_num_entries, uint32 max_entries )
 {
-       return get_group_entries( SID_NAME_DOM_GRP, ctx, d_grp, sid, start_idx, 
-               p_num_entries, max_entries );
-}
+       struct acct_info *info;
+       int i;
+       BOOL res;
 
-/*******************************************************************
- Wrapper for enumerating local groups
- ******************************************************************/
+       become_root();
+       res = pdb_enum_aliases(sid, start_idx, max_entries,
+                              p_num_entries, &info);
+       unbecome_root();
 
-static NTSTATUS get_group_alias_entries( TALLOC_CTX *ctx, DOMAIN_GRP **d_grp, 
-                                        DOM_SID *sid, uint32 start_idx,
-                                         uint32 *p_num_entries, uint32 max_entries)
-{
-       if ( sid_equal(sid, &global_sid_Builtin) ) {    
-               return get_group_entries( SID_NAME_WKN_GRP, ctx, d_grp, 
-                       sid, start_idx, p_num_entries, max_entries );
-       }
-       else if ( sid_equal(sid, get_global_sam_sid()) ) {
-               return get_group_entries( SID_NAME_ALIAS, ctx, d_grp, 
-                       sid, start_idx, p_num_entries, max_entries );   
+       if (!res)
+               return NT_STATUS_ACCESS_DENIED;
+
+       if (*p_num_entries == 0)
+               return NT_STATUS_OK;
+
+       *d_grp = TALLOC_ARRAY(ctx, DOMAIN_GRP, *p_num_entries);
+
+       if (*d_grp == NULL) {
+               SAFE_FREE(info);
+               return NT_STATUS_NO_MEMORY;
        }
 
-       /* can't do anything with this SID */
-               
-       *p_num_entries = 0;
+       for (i=0; i<*p_num_entries; i++) {
+               fstrcpy((*d_grp)[i].name, info[i].acct_name);
+               fstrcpy((*d_grp)[i].comment, info[i].acct_desc);
+               (*d_grp)[i].rid = info[i].rid;
+               (*d_grp)[i].attr = SID_NAME_ALIAS;
+       }
 
+       SAFE_FREE(info);
        return NT_STATUS_OK;
 }
 
@@ -1025,9 +1068,9 @@ NTSTATUS _samr_enum_dom_aliases(pipes_struct *p, SAMR_Q_ENUM_DOM_ALIASES *q_u, S
        sid_to_string(sid_str, &sid);
        DEBUG(5,("samr_reply_enum_dom_aliases: sid %s\n", sid_str));
 
-       status = get_group_alias_entries(p->mem_ctx, &grp, &sid, q_u->start_idx, 
-                                        &num_entries, MAX_SAM_ENTRIES);
-       if (NT_STATUS_IS_ERR(status)) return status;
+       status = get_alias_entries(p->mem_ctx, &grp, &sid, q_u->start_idx, 
+                                  &num_entries, MAX_SAM_ENTRIES);
+       if (!NT_STATUS_IS_OK(status)) return status;
 
        make_group_sam_entry_list(p->mem_ctx, &r_u->sam, &r_u->uni_grp_name, num_entries, grp);
 
@@ -1163,7 +1206,7 @@ NTSTATUS _samr_query_dispinfo(pipes_struct *p, SAMR_Q_QUERY_DISPINFO *q_u,
                DEBUG(5, ("samr_reply_query_dispinfo: buffer size limits to only %d entries\n", max_entries));
        }
 
-       if (!(ctr = (SAM_DISPINFO_CTR *)talloc_zero(p->mem_ctx,sizeof(SAM_DISPINFO_CTR))))
+       if (!(ctr = TALLOC_ZERO_P(p->mem_ctx,SAM_DISPINFO_CTR)))
                return NT_STATUS_NO_MEMORY;
 
        ZERO_STRUCTP(ctr);
@@ -1172,7 +1215,7 @@ NTSTATUS _samr_query_dispinfo(pipes_struct *p, SAMR_Q_QUERY_DISPINFO *q_u,
        switch (q_u->switch_level) {
        case 0x1:
                if (max_entries) {
-                       if (!(ctr->sam.info1 = (SAM_DISPINFO_1 *)talloc_zero(p->mem_ctx,max_entries*sizeof(SAM_DISPINFO_1))))
+                       if (!(ctr->sam.info1 = TALLOC_ZERO_ARRAY(p->mem_ctx,SAM_DISPINFO_1,max_entries)))
                                return NT_STATUS_NO_MEMORY;
                }
                disp_ret = init_sam_dispinfo_1(p->mem_ctx, ctr->sam.info1, max_entries, enum_context, 
@@ -1182,7 +1225,7 @@ NTSTATUS _samr_query_dispinfo(pipes_struct *p, SAMR_Q_QUERY_DISPINFO *q_u,
                break;
        case 0x2:
                if (max_entries) {
-                       if (!(ctr->sam.info2 = (SAM_DISPINFO_2 *)talloc_zero(p->mem_ctx,max_entries*sizeof(SAM_DISPINFO_2))))
+                       if (!(ctr->sam.info2 = TALLOC_ZERO_ARRAY(p->mem_ctx,SAM_DISPINFO_2,max_entries)))
                                return NT_STATUS_NO_MEMORY;
                }
                disp_ret = init_sam_dispinfo_2(p->mem_ctx, ctr->sam.info2, max_entries, enum_context, 
@@ -1192,7 +1235,7 @@ NTSTATUS _samr_query_dispinfo(pipes_struct *p, SAMR_Q_QUERY_DISPINFO *q_u,
                break;
        case 0x3:
                if (max_entries) {
-                       if (!(ctr->sam.info3 = (SAM_DISPINFO_3 *)talloc_zero(p->mem_ctx,max_entries*sizeof(SAM_DISPINFO_3))))
+                       if (!(ctr->sam.info3 = TALLOC_ZERO_ARRAY(p->mem_ctx,SAM_DISPINFO_3,max_entries)))
                                return NT_STATUS_NO_MEMORY;
                }
                disp_ret = init_sam_dispinfo_3(p->mem_ctx, ctr->sam.info3, max_entries, enum_context, info->disp_info.disp_group_info);
@@ -1201,7 +1244,7 @@ NTSTATUS _samr_query_dispinfo(pipes_struct *p, SAMR_Q_QUERY_DISPINFO *q_u,
                break;
        case 0x4:
                if (max_entries) {
-                       if (!(ctr->sam.info4 = (SAM_DISPINFO_4 *)talloc_zero(p->mem_ctx,max_entries*sizeof(SAM_DISPINFO_4))))
+                       if (!(ctr->sam.info4 = TALLOC_ZERO_ARRAY(p->mem_ctx,SAM_DISPINFO_4,max_entries)))
                                return NT_STATUS_NO_MEMORY;
                }
                disp_ret = init_sam_dispinfo_4(p->mem_ctx, ctr->sam.info4, max_entries, enum_context, info->disp_info.disp_user_info);
@@ -1210,7 +1253,7 @@ NTSTATUS _samr_query_dispinfo(pipes_struct *p, SAMR_Q_QUERY_DISPINFO *q_u,
                break;
        case 0x5:
                if (max_entries) {
-                       if (!(ctr->sam.info5 = (SAM_DISPINFO_5 *)talloc_zero(p->mem_ctx,max_entries*sizeof(SAM_DISPINFO_5))))
+                       if (!(ctr->sam.info5 = TALLOC_ZERO_ARRAY(p->mem_ctx,SAM_DISPINFO_5,max_entries)))
                                return NT_STATUS_NO_MEMORY;
                }
                disp_ret = init_sam_dispinfo_5(p->mem_ctx, ctr->sam.info5, max_entries, enum_context, info->disp_info.disp_group_info);
@@ -1244,7 +1287,7 @@ NTSTATUS _samr_query_dispinfo(pipes_struct *p, SAMR_Q_QUERY_DISPINFO *q_u,
 NTSTATUS _samr_query_aliasinfo(pipes_struct *p, SAMR_Q_QUERY_ALIASINFO *q_u, SAMR_R_QUERY_ALIASINFO *r_u)
 {
        DOM_SID   sid;
-       GROUP_MAP map;
+       struct acct_info info;
        uint32    acc_granted;
        BOOL ret;
 
@@ -1259,12 +1302,8 @@ NTSTATUS _samr_query_aliasinfo(pipes_struct *p, SAMR_Q_QUERY_ALIASINFO *q_u, SAM
                return r_u->status;
        }
 
-       if (!sid_check_is_in_our_domain(&sid) &&
-           !sid_check_is_in_builtin(&sid))
-               return NT_STATUS_OBJECT_TYPE_MISMATCH;
-
        become_root();
-       ret = pdb_getgrsid(&map, sid);
+       ret = pdb_get_aliasinfo(&sid, &info);
        unbecome_root();
        
        if ( !ret )
@@ -1274,12 +1313,13 @@ NTSTATUS _samr_query_aliasinfo(pipes_struct *p, SAMR_Q_QUERY_ALIASINFO *q_u, SAM
        case 1:
                r_u->ptr = 1;
                r_u->ctr.switch_value1 = 1;
-               init_samr_alias_info1(&r_u->ctr.alias.info1, map.nt_name, 1, map.comment);
+               init_samr_alias_info1(&r_u->ctr.alias.info1,
+                                     info.acct_name, 1, info.acct_desc);
                break;
        case 3:
                r_u->ptr = 1;
                r_u->ctr.switch_value1 = 3;
-               init_samr_alias_info3(&r_u->ctr.alias.info3, map.comment);
+               init_samr_alias_info3(&r_u->ctr.alias.info3, info.acct_desc);
                break;
        default:
                return NT_STATUS_INVALID_INFO_CLASS;
@@ -1491,11 +1531,11 @@ static BOOL make_samr_lookup_rids(TALLOC_CTX *ctx, uint32 num_names, fstring nam
        *pp_hdr_name = NULL;
 
        if (num_names != 0) {
-               hdr_name = (UNIHDR *)talloc_zero(ctx, sizeof(UNIHDR)*num_names);
+               hdr_name = TALLOC_ZERO_ARRAY(ctx, UNIHDR, num_names);
                if (hdr_name == NULL)
                        return False;
 
-               uni_name = (UNISTR2 *)talloc_zero(ctx,sizeof(UNISTR2)*num_names);
+               uni_name = TALLOC_ZERO_ARRAY(ctx,UNISTR2, num_names);
                if (uni_name == NULL)
                        return False;
        }
@@ -1541,7 +1581,7 @@ NTSTATUS _samr_lookup_rids(pipes_struct *p, SAMR_Q_LOOKUP_RIDS *q_u, SAMR_R_LOOK
        }
 
        if (num_rids) {
-               if ((group_attrs = (uint32 *)talloc_zero(p->mem_ctx, num_rids * sizeof(uint32))) == NULL)
+               if ((group_attrs = TALLOC_ZERO_ARRAY(p->mem_ctx, uint32, num_rids )) == NULL)
                        return NT_STATUS_NO_MEMORY;
        }
  
@@ -1833,7 +1873,7 @@ NTSTATUS _samr_query_userinfo(pipes_struct *p, SAMR_Q_QUERY_USERINFO *q_u, SAMR_
 
        DEBUG(5,("_samr_query_userinfo: sid:%s\n", sid_string_static(&info->sid)));
 
-       ctr = (SAM_USERINFO_CTR *)talloc_zero(p->mem_ctx, sizeof(SAM_USERINFO_CTR));
+       ctr = TALLOC_ZERO_P(p->mem_ctx, SAM_USERINFO_CTR);
        if (!ctr)
                return NT_STATUS_NO_MEMORY;
 
@@ -1844,7 +1884,7 @@ NTSTATUS _samr_query_userinfo(pipes_struct *p, SAMR_Q_QUERY_USERINFO *q_u, SAMR_
 
        switch (q_u->switch_value) {
        case 0x10:
-               ctr->info.id10 = (SAM_USER_INFO_10 *)talloc_zero(p->mem_ctx, sizeof(SAM_USER_INFO_10));
+               ctr->info.id10 = TALLOC_ZERO_P(p->mem_ctx, SAM_USER_INFO_10);
                if (ctr->info.id10 == NULL)
                        return NT_STATUS_NO_MEMORY;
 
@@ -1862,11 +1902,7 @@ NTSTATUS _samr_query_userinfo(pipes_struct *p, SAMR_Q_QUERY_USERINFO *q_u, SAMR_
             expire.low = 0xffffffff;
             expire.high = 0x7fffffff;
 
-            ctr->info.id = (SAM_USER_INFO_11 *)talloc_zero(p->mem_ctx,
-                                    sizeof
-                                    (*ctr->
-                                     info.
-                                     id11));
+            ctr->info.id = TALLOC_ZERO_P(p->mem_ctx, SAM_USER_INFO_11));
            ZERO_STRUCTP(ctr->info.id11);
             init_sam_user_info11(ctr->info.id11, &expire,
                          "BROOKFIELDS$",    /* name */
@@ -1879,7 +1915,7 @@ NTSTATUS _samr_query_userinfo(pipes_struct *p, SAMR_Q_QUERY_USERINFO *q_u, SAMR_
 #endif
 
        case 0x12:
-               ctr->info.id12 = (SAM_USER_INFO_12 *)talloc_zero(p->mem_ctx, sizeof(SAM_USER_INFO_12));
+               ctr->info.id12 = TALLOC_ZERO_P(p->mem_ctx, SAM_USER_INFO_12);
                if (ctr->info.id12 == NULL)
                        return NT_STATUS_NO_MEMORY;
 
@@ -1888,7 +1924,7 @@ NTSTATUS _samr_query_userinfo(pipes_struct *p, SAMR_Q_QUERY_USERINFO *q_u, SAMR_
                break;
                
        case 20:
-               ctr->info.id20 = (SAM_USER_INFO_20 *)talloc_zero(p->mem_ctx,sizeof(SAM_USER_INFO_20));
+               ctr->info.id20 = TALLOC_ZERO_P(p->mem_ctx,SAM_USER_INFO_20);
                if (ctr->info.id20 == NULL)
                        return NT_STATUS_NO_MEMORY;
                if (!NT_STATUS_IS_OK(r_u->status = get_user_info_20(p->mem_ctx, ctr->info.id20, &info->sid)))
@@ -1896,7 +1932,7 @@ NTSTATUS _samr_query_userinfo(pipes_struct *p, SAMR_Q_QUERY_USERINFO *q_u, SAMR_
                break;
 
        case 21:
-               ctr->info.id21 = (SAM_USER_INFO_21 *)talloc_zero(p->mem_ctx,sizeof(SAM_USER_INFO_21));
+               ctr->info.id21 = TALLOC_ZERO_P(p->mem_ctx,SAM_USER_INFO_21);
                if (ctr->info.id21 == NULL)
                        return NT_STATUS_NO_MEMORY;
                if (!NT_STATUS_IS_OK(r_u->status = get_user_info_21(p->mem_ctx, ctr->info.id21, 
@@ -1922,11 +1958,16 @@ NTSTATUS _samr_query_userinfo(pipes_struct *p, SAMR_Q_QUERY_USERINFO *q_u, SAMR_
 NTSTATUS _samr_query_usergroups(pipes_struct *p, SAMR_Q_QUERY_USERGROUPS *q_u, SAMR_R_QUERY_USERGROUPS *r_u)
 {
        SAM_ACCOUNT *sam_pass=NULL;
+       struct passwd *passwd;
        DOM_SID  sid;
+       DOM_SID *sids;
        DOM_GID *gids = NULL;
        int num_groups = 0;
+       gid_t *unix_gids;
+       int i, num_gids, num_sids;
        uint32 acc_granted;
        BOOL ret;
+       NTSTATUS result;
 
        /*
         * from the SID in the request:
@@ -1965,19 +2006,52 @@ NTSTATUS _samr_query_usergroups(pipes_struct *p, SAMR_Q_QUERY_USERGROUPS *q_u, S
                pdb_free_sam(&sam_pass);
                return NT_STATUS_NO_SUCH_USER;
        }
-       
-       if(!get_domain_user_groups(p->mem_ctx, &num_groups, &gids, sam_pass)) {
+
+       passwd = getpwnam_alloc(pdb_get_username(sam_pass));
+       if (passwd == NULL) {
                pdb_free_sam(&sam_pass);
-               return NT_STATUS_NO_SUCH_GROUP;
+               return NT_STATUS_NO_SUCH_USER;
+       }
+
+       sids = NULL;
+       num_sids = 0;
+
+       become_root();
+       result = pdb_enum_group_memberships(pdb_get_username(sam_pass),
+                                           passwd->pw_gid,
+                                           &sids, &unix_gids, &num_groups);
+       unbecome_root();
+
+       pdb_free_sam(&sam_pass);
+       passwd_free(&passwd);
+
+       if (!NT_STATUS_IS_OK(result))
+               return result;
+
+       SAFE_FREE(unix_gids);
+
+       gids = NULL;
+       num_gids = 0;
+
+       for (i=0; i<num_groups; i++) {
+               uint32 rid;
+
+               if (!sid_peek_check_rid(get_global_sam_sid(),
+                                       &(sids[i]), &rid))
+                       continue;
+
+               gids = TALLOC_REALLOC_ARRAY(p->mem_ctx, gids, DOM_GID, num_gids+1);
+               gids[num_gids].attr=7;
+               gids[num_gids].g_rid = rid;
+               num_gids += 1;
        }
+       SAFE_FREE(sids);
        
        /* construct the response.  lkclXXXX: gids are not copied! */
        init_samr_r_query_usergroups(r_u, num_groups, gids, r_u->status);
        
        DEBUG(5,("_samr_query_usergroups: %d\n", __LINE__));
        
-       pdb_free_sam(&sam_pass);
-       
        return r_u->status;
 }
 
@@ -2004,7 +2078,7 @@ NTSTATUS _samr_query_dom_info(pipes_struct *p, SAMR_Q_QUERY_DOMAIN_INFO *q_u, SA
 
        uint32 num_users=0, num_groups=0, num_aliases=0;
 
-       if ((ctr = (SAM_UNK_CTR *)talloc_zero(p->mem_ctx, sizeof(SAM_UNK_CTR))) == NULL)
+       if ((ctr = TALLOC_ZERO_P(p->mem_ctx, SAM_UNK_CTR)) == NULL)
                return NT_STATUS_NO_MEMORY;
 
        ZERO_STRUCTP(ctr);
@@ -2059,10 +2133,15 @@ NTSTATUS _samr_query_dom_info(pipes_struct *p, SAMR_Q_QUERY_DOMAIN_INFO *q_u, SA
                        }
                        num_groups=info->disp_info.num_group_account;
                        free_samr_db(info);
-                       
+
+                       account_policy_get(AP_TIME_TO_LOGOUT, &account_policy_temp);
+                       u_logout = account_policy_temp;
+
+                       unix_to_nt_time_abs(&nt_logout, u_logout);
+
                        /* The time call below is to get a sequence number for the sam. FIXME !!! JRA. */
-                       init_unk_info2(&ctr->info.inf2, lp_workgroup(), global_myname(), (uint32) time(NULL), 
-                                      num_users, num_groups, num_aliases);
+                       init_unk_info2(&ctr->info.inf2, "", lp_workgroup(), global_myname(), (uint32) time(NULL), 
+                                      num_users, num_groups, num_aliases, nt_logout);
                        break;
                case 0x03:
                        account_policy_get(AP_TIME_TO_LOGOUT, (unsigned int *)&u_logout);
@@ -2079,9 +2158,14 @@ NTSTATUS _samr_query_dom_info(pipes_struct *p, SAMR_Q_QUERY_DOMAIN_INFO *q_u, SA
                case 0x07:
                        init_unk_info7(&ctr->info.inf7);
                        break;
+               case 0x08:
+                       init_unk_info8(&ctr->info.inf8, (uint32) time(NULL));
+                       break;
                case 0x0c:
                        account_policy_get(AP_LOCK_ACCOUNT_DURATION, &account_policy_temp);
-                       u_lock_duration = account_policy_temp * 60;
+                       u_lock_duration = account_policy_temp;
+                       if (u_lock_duration != -1)
+                               u_lock_duration *= 60;
 
                        account_policy_get(AP_RESET_COUNT_TIME, &account_policy_temp);
                        u_reset_time = account_policy_temp * 60;
@@ -2131,6 +2215,8 @@ NTSTATUS _samr_create_user(pipes_struct *p, SAMR_Q_CREATE_USER *q_u, SAMR_R_CREA
        uint32 new_rid = 0;
        /* check this, when giving away 'add computer to domain' privs */
        uint32    des_access = GENERIC_RIGHTS_USER_ALL_ACCESS;
+       BOOL can_add_machines = False;
+       SE_PRIV se_machineop = SE_MACHINE_ACCOUNT;
 
        /* Get the domain SID stored in the domain policy */
        if (!get_lsa_policy_samr_sid(p, &dom_pol, &sid, &acc_granted))
@@ -2154,6 +2240,13 @@ NTSTATUS _samr_create_user(pipes_struct *p, SAMR_Q_CREATE_USER *q_u, SAMR_R_CREA
 
        rpcstr_pull(account, user_account.buffer, sizeof(account), user_account.uni_str_len*2, 0);
        strlower_m(account);
+       
+       /* check to see if we are a domain admin */
+       
+       can_add_machines = user_has_privileges( p->pipe_user.nt_user_token, &se_machineop );
+       
+       DEBUG(5, ("_samr_create_user: %s is%s a member of the Domain Admins group\n",
+               p->pipe_user_name, can_add_machines ? "" : " not"));
 
        pdb_init_sam(&sam_pass);
 
@@ -2173,35 +2266,7 @@ NTSTATUS _samr_create_user(pipes_struct *p, SAMR_Q_CREATE_USER *q_u, SAMR_R_CREA
         * *NOT* surrounded by a become_root()/unbecome_root() call. This ensures
         * that only people with write access to the smbpasswd file will be able
         * to create a user. JRA.
-        */
-
-       /*
-        * add the user in the /etc/passwd file or the unix authority system.
-        * We don't check if the smb_create_user() function succed or not for 2 reasons:
-        * a) local_password_change() checks for us if the /etc/passwd account really exists
-        * b) smb_create_user() would return an error if the account already exists
-        * and as it could return an error also if it can't create the account, it would be tricky.
-        *
-        * So we go the easy way, only check after if the account exists.
-        * JFM (2/3/2001), to clear any possible bad understanding (-:
-        *
-        * We now have seperate script paramaters for adding users/machines so we
-        * now have some sainity-checking to match. 
-        */
-
-       DEBUG(10,("checking account %s at pos %lu for $ termination\n",account, (unsigned long)strlen(account)-1));
-       
-       /* 
-        * we used to have code here that made sure the acb_info flags 
-        * matched with the users named (e.g. an account flags as a machine 
-        * trust account ended in '$').  It has been ifdef'd out for a long 
-        * time, so I replaced it with this comment.     --jerry
-        */
-
-       /* the passdb lookup has failed; check to see if we need to run the
-          add user/machine script */
-          
-       pw = Get_Pwnam(account);
+        */   
        
        /*********************************************************************
         * HEADS UP!  If we have to create a new user account, we have to get 
@@ -2214,6 +2279,13 @@ NTSTATUS _samr_create_user(pipes_struct *p, SAMR_Q_CREATE_USER *q_u, SAMR_R_CREA
         *                                             --jerry (2003-07-10)
         *********************************************************************/
        
+       pw = Get_Pwnam(account);
+       
+       /* ================ BEGIN SeMachineAccountPrivilege BLOCK ================ */
+       
+       if ( can_add_machines )                         
+               become_root();
+       
        if ( !pw ) {
                /* 
                 * we can't check both the ending $ and the acb_info.
@@ -2229,7 +2301,7 @@ NTSTATUS _samr_create_user(pipes_struct *p, SAMR_Q_CREATE_USER *q_u, SAMR_R_CREA
 
                if (*add_script) {
                        int add_ret;
-                       all_string_sub(add_script, "%u", account, sizeof(account));
+                       all_string_sub(add_script, "%u", account, sizeof(add_script));
                        add_ret = smbrun(add_script,NULL);
                        DEBUG(3,("_samr_create_user: Running the command `%s' gave %d\n", add_script, add_ret));
                }
@@ -2245,12 +2317,22 @@ NTSTATUS _samr_create_user(pipes_struct *p, SAMR_Q_CREATE_USER *q_u, SAMR_R_CREA
        
        /* implicit call to getpwnam() next.  we have a valid SID coming out of this call */
 
-       if ( !NT_STATUS_IS_OK(nt_status = pdb_init_sam_new(&sam_pass, account, new_rid)) )
+       if ( !NT_STATUS_IS_OK(nt_status = pdb_init_sam_new(&sam_pass, account, new_rid)) ) {
+               if ( can_add_machines )
+                       unbecome_root();
                return nt_status;
+       }
                
        pdb_set_acct_ctrl(sam_pass, acb_info, PDB_CHANGED);
        
-       if (!pdb_add_sam_account(sam_pass)) {
+       ret = pdb_add_sam_account(sam_pass);
+       
+       if ( can_add_machines )                         
+               unbecome_root();
+               
+       /* ================ END SeMachineAccountPrivilege BLOCK ================ */
+
+       if ( !ret ) {
                pdb_free_sam(&sam_pass);
                DEBUG(0, ("could not add user/computer %s to passdb.  Check permissions?\n", 
                          account));
@@ -2258,13 +2340,16 @@ NTSTATUS _samr_create_user(pipes_struct *p, SAMR_Q_CREATE_USER *q_u, SAMR_R_CREA
        }
        
        /* Get the user's SID */
+       
        sid_copy(&sid, pdb_get_user_sid(sam_pass));
        
        samr_make_usr_obj_sd(p->mem_ctx, &psd, &sd_size, &sid);
        se_map_generic(&des_access, &usr_generic_mapping);
-       if (!NT_STATUS_IS_OK(nt_status = 
-                            access_check_samr_object(psd, p->pipe_user.nt_user_token, 
-                                                     des_access, &acc_granted, "_samr_create_user"))) {
+       
+       nt_status = access_check_samr_object(psd, p->pipe_user.nt_user_token, 
+               des_access, &acc_granted, "_samr_create_user");
+               
+       if ( !NT_STATUS_IS_OK(nt_status) ) {
                return nt_status;
        }
 
@@ -2489,8 +2574,8 @@ static BOOL make_enum_domains(TALLOC_CTX *ctx, SAM_ENTRY **pp_sam,
        if (num_sam_entries == 0)
                return True;
 
-       sam = (SAM_ENTRY *)talloc_zero(ctx, sizeof(SAM_ENTRY)*num_sam_entries);
-       uni_name = (UNISTR2 *)talloc_zero(ctx, sizeof(UNISTR2)*num_sam_entries);
+       sam = TALLOC_ZERO_ARRAY(ctx, SAM_ENTRY, num_sam_entries);
+       uni_name = TALLOC_ZERO_ARRAY(ctx, UNISTR2, num_sam_entries);
 
        if (sam == NULL || uni_name == NULL)
                return False;
@@ -2949,6 +3034,8 @@ NTSTATUS _samr_set_userinfo(pipes_struct *p, SAMR_Q_SET_USERINFO *q_u, SAMR_R_SE
        SAM_USERINFO_CTR *ctr = q_u->ctr;
        uint32 acc_granted;
        uint32 acc_required;
+       BOOL can_add_machines;
+       SE_PRIV se_machineop = SE_MACHINE_ACCOUNT;
 
        DEBUG(5, ("_samr_set_userinfo: %d\n", __LINE__));
 
@@ -2958,7 +3045,17 @@ NTSTATUS _samr_set_userinfo(pipes_struct *p, SAMR_Q_SET_USERINFO *q_u, SAMR_R_SE
        if (!get_lsa_policy_samr_sid(p, pol, &sid, &acc_granted))
                return NT_STATUS_INVALID_HANDLE;
        
-       acc_required = SA_RIGHT_USER_SET_LOC_COM | SA_RIGHT_USER_SET_ATTRIBUTES; /* This is probably wrong */   
+       /* the access mask depends on what the caller wants to do */
+
+       switch (switch_value) {
+               case 24:
+                       acc_required = SA_RIGHT_USER_SET_PASSWORD | SA_RIGHT_USER_SET_ATTRIBUTES | SA_RIGHT_USER_ACCT_FLAGS_EXPIRY;
+                       break;
+               default:
+                       acc_required = SA_RIGHT_USER_SET_LOC_COM | SA_RIGHT_USER_SET_ATTRIBUTES; /* This is probably wrong */   
+                       break;
+       }
+
        if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, acc_required, "_samr_set_userinfo"))) {
                return r_u->status;
        }
@@ -2970,23 +3067,36 @@ NTSTATUS _samr_set_userinfo(pipes_struct *p, SAMR_Q_SET_USERINFO *q_u, SAMR_R_SE
                return NT_STATUS_INVALID_INFO_CLASS;
        }
 
+       /* check to see if we are a domain admin */
+       
+       can_add_machines = user_has_privileges( p->pipe_user.nt_user_token, &se_machineop );
+       
+       DEBUG(5, ("_samr_create_user: %s is%s a member of the Domain Admins group\n",
+               p->pipe_user_name, can_add_machines ? "" : " not"));
+
+       /* ================ BEGIN SeMachineAccountPrivilege BLOCK ================ */
+       
+       if ( can_add_machines )                         
+               become_root();
+
        /* ok!  user info levels (lots: see MSDEV help), off we go... */
+
        switch (switch_value) {
                case 0x12:
                        if (!set_user_info_12(ctr->info.id12, &sid))
-                               return NT_STATUS_ACCESS_DENIED;
+                               r_u->status = NT_STATUS_ACCESS_DENIED;
                        break;
 
                case 24:
                        if (!p->session_key.length) {
-                               return NT_STATUS_NO_USER_SESSION_KEY;
+                               r_u->status = NT_STATUS_NO_USER_SESSION_KEY;
                        }
                        SamOEMhashBlob(ctr->info.id24->pass, 516, &p->session_key);
 
                        dump_data(100, (char *)ctr->info.id24->pass, 516);
 
                        if (!set_user_info_pw((char *)ctr->info.id24->pass, &sid))
-                               return NT_STATUS_ACCESS_DENIED;
+                               r_u->status = NT_STATUS_ACCESS_DENIED;
                        break;
 
                case 25:
@@ -3000,34 +3110,41 @@ NTSTATUS _samr_set_userinfo(pipes_struct *p, SAMR_Q_SET_USERINFO *q_u, SAMR_R_SE
                         */
 
                        if (!p->session_key.length) {
-                               return NT_STATUS_NO_USER_SESSION_KEY;
+                               r_u->status = NT_STATUS_NO_USER_SESSION_KEY;
                        }
                        SamOEMhashBlob(ctr->info.id25->pass, 532, &p->session_key);
 
                        dump_data(100, (char *)ctr->info.id25->pass, 532);
 
                        if (!set_user_info_pw(ctr->info.id25->pass, &sid))
-                               return NT_STATUS_ACCESS_DENIED;
+                               r_u->status = NT_STATUS_ACCESS_DENIED;
                        break;
 #endif
-                       return NT_STATUS_INVALID_INFO_CLASS;
+                       r_u->status = NT_STATUS_INVALID_INFO_CLASS;
+                       break;
 
                case 23:
                        if (!p->session_key.length) {
-                               return NT_STATUS_NO_USER_SESSION_KEY;
+                               r_u->status = NT_STATUS_NO_USER_SESSION_KEY;
                        }
                        SamOEMhashBlob(ctr->info.id23->pass, 516, &p->session_key);
 
                        dump_data(100, (char *)ctr->info.id23->pass, 516);
 
                        if (!set_user_info_23(ctr->info.id23, &sid))
-                               return NT_STATUS_ACCESS_DENIED;
+                               r_u->status = NT_STATUS_ACCESS_DENIED;
                        break;
 
                default:
-                       return NT_STATUS_INVALID_INFO_CLASS;
+                       r_u->status = NT_STATUS_INVALID_INFO_CLASS;
        }
 
+       
+       if ( can_add_machines )                         
+               unbecome_root();
+               
+       /* ================ END SeMachineAccountPrivilege BLOCK ================ */
+
        return r_u->status;
 }
 
@@ -3043,6 +3160,8 @@ NTSTATUS _samr_set_userinfo2(pipes_struct *p, SAMR_Q_SET_USERINFO2 *q_u, SAMR_R_
        uint16 switch_value = q_u->switch_value;
        uint32 acc_granted;
        uint32 acc_required;
+       BOOL can_add_machines;
+       SE_PRIV se_machineop = SE_MACHINE_ACCOUNT;
 
        DEBUG(5, ("samr_reply_set_userinfo2: %d\n", __LINE__));
 
@@ -3066,7 +3185,20 @@ NTSTATUS _samr_set_userinfo2(pipes_struct *p, SAMR_Q_SET_USERINFO2 *q_u, SAMR_R_
 
        switch_value=ctr->switch_value;
 
+       /* check to see if we are a domain admin */
+       
+       can_add_machines = user_has_privileges( p->pipe_user.nt_user_token, &se_machineop );
+       
+       DEBUG(5, ("_samr_create_user: %s is%s a member of the Domain Admins group\n",
+               p->pipe_user_name, can_add_machines ? "" : " not"));
+
+       /* ================ BEGIN SeMachineAccountPrivilege BLOCK ================ */
+       
+       if ( can_add_machines )                         
+               become_root();
+               
        /* ok!  user info levels (lots: see MSDEV help), off we go... */
+       
        switch (switch_value) {
                case 21:
                        if (!set_user_info_21(ctr->info.id21, &sid))
@@ -3074,21 +3206,26 @@ NTSTATUS _samr_set_userinfo2(pipes_struct *p, SAMR_Q_SET_USERINFO2 *q_u, SAMR_R_
                        break;
                case 20:
                        if (!set_user_info_20(ctr->info.id20, &sid))
-                               return NT_STATUS_ACCESS_DENIED;
+                               r_u->status = NT_STATUS_ACCESS_DENIED;
                        break;
                case 16:
                        if (!set_user_info_10(ctr->info.id10, &sid))
-                               return NT_STATUS_ACCESS_DENIED;
+                               r_u->status = NT_STATUS_ACCESS_DENIED;
                        break;
                case 18:
                        /* Used by AS/U JRA. */
                        if (!set_user_info_12(ctr->info.id12, &sid))
-                               return NT_STATUS_ACCESS_DENIED;
+                               r_u->status = NT_STATUS_ACCESS_DENIED;
                        break;
                default:
-                       return NT_STATUS_INVALID_INFO_CLASS;
+                       r_u->status = NT_STATUS_INVALID_INFO_CLASS;
        }
 
+       if ( can_add_machines )                         
+               unbecome_root();
+               
+       /* ================ END SeMachineAccountPrivilege BLOCK ================ */
+
        return r_u->status;
 }
 
@@ -3098,31 +3235,19 @@ NTSTATUS _samr_set_userinfo2(pipes_struct *p, SAMR_Q_SET_USERINFO2 *q_u, SAMR_R_
 
 NTSTATUS _samr_query_useraliases(pipes_struct *p, SAMR_Q_QUERY_USERALIASES *q_u, SAMR_R_QUERY_USERALIASES *r_u)
 {
-       int num_groups = 0, tmp_num_groups=0;
-       uint32 *rids=NULL, *new_rids=NULL, *tmp_rids=NULL;
+       int num_groups = 0;
+       uint32 *rids=NULL;
        struct samr_info *info = NULL;
-       int i,j;
+       int i;
                
        NTSTATUS ntstatus1;
        NTSTATUS ntstatus2;
 
-       /* until i see a real useraliases query, we fack one up */
+       DOM_SID *members;
+       DOM_SID *aliases;
+       int num_aliases;
+       BOOL res;
 
-       /* I have seen one, JFM 2/12/2001 */
-       /*
-        * Explanation of what this call does:
-        * for all the SID given in the request:
-        * return a list of alias (local groups)
-        * that have those SID as members.
-        *
-        * and that's the alias in the domain specified
-        * in the policy_handle
-        *
-        * if the policy handle is on an incorrect sid
-        * for example a user's sid
-        * we should reply NT_STATUS_OBJECT_TYPE_MISMATCH
-        */
-       
        r_u->status = NT_STATUS_OK;
 
        DEBUG(5,("_samr_query_useraliases: %d\n", __LINE__));
@@ -3145,40 +3270,42 @@ NTSTATUS _samr_query_useraliases(pipes_struct *p, SAMR_Q_QUERY_USERALIASES *q_u,
            !sid_check_is_builtin(&info->sid))
                return NT_STATUS_OBJECT_TYPE_MISMATCH;
 
+       members = TALLOC_ARRAY(p->mem_ctx, DOM_SID, q_u->num_sids1);
 
-       for (i=0; i<q_u->num_sids1; i++) {
+       if (members == NULL)
+               return NT_STATUS_NO_MEMORY;
 
-               r_u->status=get_alias_user_groups(p->mem_ctx, &info->sid, &tmp_num_groups, &tmp_rids, &(q_u->sid[i].sid));
+       for (i=0; i<q_u->num_sids1; i++)
+               sid_copy(&members[i], &q_u->sid[i].sid);
 
-               /*
-                * if there is an error, we just continue as
-                * it can be an unfound user or group
-                */
-               if (!NT_STATUS_IS_OK(r_u->status)) {
-                       DEBUG(10,("_samr_query_useraliases: an error occured while getting groups\n"));
-                       continue;
-               }
+       become_root();
+       res = pdb_enum_alias_memberships(members,
+                                        q_u->num_sids1, &aliases,
+                                        &num_aliases);
+       unbecome_root();
+
+       if (!res)
+               return NT_STATUS_UNSUCCESSFUL;
+
+       rids = NULL;
+       num_groups = 0;
 
-               if (tmp_num_groups==0) {
-                       DEBUG(10,("_samr_query_useraliases: no groups found\n"));
+       for (i=0; i<num_aliases; i++) {
+               uint32 rid;
+
+               if (!sid_peek_check_rid(&info->sid, &aliases[i], &rid))
                        continue;
-               }
 
-               new_rids=(uint32 *)talloc_realloc(p->mem_ctx, rids, (num_groups+tmp_num_groups)*sizeof(uint32));
-               if (new_rids==NULL) {
-                       DEBUG(0,("_samr_query_useraliases: could not realloc memory\n"));
+               rids = TALLOC_REALLOC_ARRAY(p->mem_ctx, rids, uint32, num_groups+1);
+
+               if (rids == NULL)
                        return NT_STATUS_NO_MEMORY;
-               }
-               rids=new_rids;
 
-               for (j=0; j<tmp_num_groups; j++)
-                       rids[j+num_groups]=tmp_rids[j];
-               
-               safe_free(tmp_rids);
-               
-               num_groups+=tmp_num_groups;
+               rids[num_groups] = rid;
+               num_groups += 1;
        }
-       
+       SAFE_FREE(aliases);
+
        init_samr_r_query_useraliases(r_u, num_groups, rids, NT_STATUS_OK);
        return NT_STATUS_OK;
 }
@@ -3191,15 +3318,11 @@ NTSTATUS _samr_query_aliasmem(pipes_struct *p, SAMR_Q_QUERY_ALIASMEM *q_u, SAMR_
 {
        int i;
 
-       GROUP_MAP map;
        int num_sids = 0;
        DOM_SID2 *sid;
        DOM_SID *sids=NULL;
 
        DOM_SID alias_sid;
-       DOM_SID als_sid;
-       uint32 alias_rid;
-       fstring alias_sid_str;
 
        uint32 acc_granted;
 
@@ -3211,36 +3334,13 @@ NTSTATUS _samr_query_aliasmem(pipes_struct *p, SAMR_Q_QUERY_ALIASMEM *q_u, SAMR_
                access_check_samr_function(acc_granted, SA_RIGHT_ALIAS_GET_MEMBERS, "_samr_query_aliasmem"))) {
                return r_u->status;
        }
-               
-       sid_copy(&als_sid, &alias_sid);
-       sid_to_string(alias_sid_str, &alias_sid);
-       sid_split_rid(&alias_sid, &alias_rid);
-
-       DEBUG(10, ("sid is %s\n", alias_sid_str));
 
-       if (sid_equal(&alias_sid, &global_sid_Builtin)) {
-               DEBUG(10, ("lookup on Builtin SID (S-1-5-32)\n"));
-               if(!get_builtin_group_from_sid(&als_sid, &map))
-                       return NT_STATUS_NO_SUCH_ALIAS;
-       } else {
-               if (sid_equal(&alias_sid, get_global_sam_sid())) {
-                       DEBUG(10, ("lookup on Server SID\n"));
-                       if(!get_local_group_from_sid(&als_sid, &map)) {
-                               fstring alias_sid_string;
-                               DEBUG(10, ("Alias %s not found\n", sid_to_string(alias_sid_string, &als_sid))); 
-                               return NT_STATUS_NO_SUCH_ALIAS;
-                       }
-               }
-       }
+       DEBUG(10, ("sid is %s\n", sid_string_static(&alias_sid)));
 
-       if (!get_sid_list_of_group(map.gid, &sids, &num_sids)) {
-               fstring alias_sid_string;
-               DEBUG(10, ("Alias %s found, but member list unavailable\n", sid_to_string(alias_sid_string, &als_sid))); 
+       if (!pdb_enum_aliasmem(&alias_sid, &sids, &num_sids))
                return NT_STATUS_NO_SUCH_ALIAS;
-       }
 
-       DEBUG(10, ("sid is %s\n", alias_sid_str));
-       sid = (DOM_SID2 *)talloc_zero(p->mem_ctx, sizeof(DOM_SID2) * num_sids); 
+       sid = TALLOC_ZERO_ARRAY(p->mem_ctx, DOM_SID2, num_sids);        
        if (num_sids!=0 && sid == NULL) {
                SAFE_FREE(sids);
                return NT_STATUS_NO_MEMORY;
@@ -3250,7 +3350,6 @@ NTSTATUS _samr_query_aliasmem(pipes_struct *p, SAMR_Q_QUERY_ALIASMEM *q_u, SAMR_
                init_dom_sid2(&sid[i], &sids[i]);
        }
 
-       DEBUG(10, ("sid is %s\n", alias_sid_str));
        init_samr_r_query_aliasmem(r_u, num_sids, sid, NT_STATUS_OK);
 
        SAFE_FREE(sids);
@@ -3258,20 +3357,82 @@ NTSTATUS _samr_query_aliasmem(pipes_struct *p, SAMR_Q_QUERY_ALIASMEM *q_u, SAMR_
        return NT_STATUS_OK;
 }
 
+static void add_uid_to_array_unique(uid_t uid, uid_t **uids, int *num)
+{
+       int i;
+
+       for (i=0; i<*num; i++) {
+               if ((*uids)[i] == uid)
+                       return;
+       }
+       
+       *uids = SMB_REALLOC_ARRAY(*uids, uid_t, *num+1);
+
+       if (*uids == NULL)
+               return;
+
+       (*uids)[*num] = uid;
+       *num += 1;
+}
+
+
+static BOOL get_memberuids(gid_t gid, uid_t **uids, int *num)
+{
+       struct group *grp;
+       char **gr;
+       struct sys_pwent *userlist, *user;
+       *uids = NULL;
+       *num = 0;
+
+       /* We only look at our own sam, so don't care about imported stuff */
+
+       winbind_off();
+
+       if ((grp = getgrgid(gid)) == NULL) {
+               winbind_on();
+               return False;
+       }
+
+       /* Primary group members */
+
+       userlist = getpwent_list();
+
+       for (user = userlist; user != NULL; user = user->next) {
+               if (user->pw_gid != gid)
+                       continue;
+               add_uid_to_array_unique(user->pw_uid, uids, num);
+       }
+
+       pwent_free(userlist);
+
+       /* Secondary group members */
+
+       for (gr = grp->gr_mem; (*gr != NULL) && ((*gr)[0] != '\0'); gr += 1) {
+               struct passwd *pw = getpwnam(*gr);
+
+               if (pw == NULL)
+                       continue;
+               add_uid_to_array_unique(pw->pw_uid, uids, num);
+       }
+
+       winbind_on();
+
+       return True;
+}      
+
 /*********************************************************************
  _samr_query_groupmem
 *********************************************************************/
 
 NTSTATUS _samr_query_groupmem(pipes_struct *p, SAMR_Q_QUERY_GROUPMEM *q_u, SAMR_R_QUERY_GROUPMEM *r_u)
 {
-       int num_sids = 0;
-       int final_num_sids = 0;
-       int i;
+       int final_num_rids, i;
        DOM_SID group_sid;
        fstring group_sid_str;
-       DOM_SID *sids=NULL;
-       
-       GROUP_MAP map;
+       uid_t *uids;
+       int num;
+       gid_t gid;
 
        uint32 *rid=NULL;
        uint32 *attr=NULL;
@@ -3296,35 +3457,46 @@ NTSTATUS _samr_query_groupmem(pipes_struct *p, SAMR_Q_QUERY_GROUPMEM *q_u, SAMR_
 
        DEBUG(10, ("lookup on Domain SID\n"));
 
-       if(!get_domain_group_from_sid(group_sid, &map))
+       if (!NT_STATUS_IS_OK(sid_to_gid(&group_sid, &gid)))
                return NT_STATUS_NO_SUCH_GROUP;
 
-       if(!get_sid_list_of_group(map.gid, &sids, &num_sids))
+       if(!get_memberuids(gid, &uids, &num))
                return NT_STATUS_NO_SUCH_GROUP;
 
-       rid=talloc_zero(p->mem_ctx, sizeof(uint32)*num_sids);
-       attr=talloc_zero(p->mem_ctx, sizeof(uint32)*num_sids);
+       rid=TALLOC_ZERO_ARRAY(p->mem_ctx, uint32, num);
+       attr=TALLOC_ZERO_ARRAY(p->mem_ctx, uint32, num);
        
-       if (num_sids!=0 && (rid==NULL || attr==NULL))
+       if (num!=0 && (rid==NULL || attr==NULL))
                return NT_STATUS_NO_MEMORY;
        
-       for (i=0; i<num_sids; i++) {
-               uint32 urid;
+       final_num_rids = 0;
                
-               if (sid_peek_check_rid(get_global_sam_sid(), &sids[i], &urid)) {
-                       rid[final_num_sids] = urid;
-                       attr[final_num_sids] = SID_NAME_USER;
-                       final_num_sids++;
-               } else {
-                       fstring user_sid_str, domain_sid_str;
-                       DEBUG(1, ("_samr_query_groupmem: SID %s in group %s is not in our domain %s\n",
-                                 sid_to_string(user_sid_str, &sids[i]), 
-                                 sid_to_string(group_sid_str, &group_sid),
-                                 sid_to_string(domain_sid_str, get_global_sam_sid())));
+       for (i=0; i<num; i++) {
+               DOM_SID sid;
+
+               if (!NT_STATUS_IS_OK(uid_to_sid(&sid, uids[i]))) {
+                       DEBUG(1, ("Could not map member uid to SID\n"));
+                       continue;
+               }
+
+               if (!sid_check_is_in_our_domain(&sid)) {
+                       DEBUG(1, ("Inconsistent SAM -- group member uid not "
+                                 "in our domain\n"));
+                       continue;
                }
+
+               sid_peek_rid(&sid, &rid[final_num_rids]);
+
+               /* Hmm. In a trace I got the constant 7 here from NT. */
+               attr[final_num_rids] = SID_NAME_USER;
+
+               final_num_rids += 1;
        }
 
-       init_samr_r_query_groupmem(r_u, final_num_sids, rid, attr, NT_STATUS_OK);
+       SAFE_FREE(uids);
+
+       init_samr_r_query_groupmem(r_u, final_num_rids, rid, attr,
+                                  NT_STATUS_OK);
 
        return NT_STATUS_OK;
 }
@@ -3336,15 +3508,6 @@ NTSTATUS _samr_query_groupmem(pipes_struct *p, SAMR_Q_QUERY_GROUPMEM *q_u, SAMR_
 NTSTATUS _samr_add_aliasmem(pipes_struct *p, SAMR_Q_ADD_ALIASMEM *q_u, SAMR_R_ADD_ALIASMEM *r_u)
 {
        DOM_SID alias_sid;
-       fstring alias_sid_str;
-       uid_t uid;
-       struct passwd *pwd;
-       struct group *grp;
-       fstring grp_name;
-       GROUP_MAP map;
-       NTSTATUS ret;
-       SAM_ACCOUNT *sam_user = NULL;
-       BOOL check;
        uint32 acc_granted;
 
        /* Find the policy handle. Open a policy on it. */
@@ -3355,75 +3518,11 @@ NTSTATUS _samr_add_aliasmem(pipes_struct *p, SAMR_Q_ADD_ALIASMEM *q_u, SAMR_R_AD
                return r_u->status;
        }
                
-       sid_to_string(alias_sid_str, &alias_sid);
-       DEBUG(10, ("sid is %s\n", alias_sid_str));
-
-       if (sid_compare(&alias_sid, get_global_sam_sid())>0) {
-               DEBUG(10, ("adding member on Server SID\n"));
-               if(!get_local_group_from_sid(&alias_sid, &map))
-                       return NT_STATUS_NO_SUCH_ALIAS;
-       
-       } else {
-               if (sid_compare(&alias_sid, &global_sid_Builtin)>0) {
-                       DEBUG(10, ("adding member on BUILTIN SID\n"));
-                       if( !get_builtin_group_from_sid(&alias_sid, &map))
-                               return NT_STATUS_NO_SUCH_ALIAS;
-
-               } else
-                       return NT_STATUS_NO_SUCH_ALIAS;
-       }
-
-       ret = pdb_init_sam(&sam_user);
-       if (!NT_STATUS_IS_OK(ret))
-               return ret;
-       
-       check = pdb_getsampwsid(sam_user, &q_u->sid.sid);
-       
-       if (check != True) {
-               pdb_free_sam(&sam_user);
-               return pdb_add_aliasmem(&alias_sid, &q_u->sid.sid) ?
-                       NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
-       }
-
-       /* check a real user exist before we run the script to add a user to a group */
-       if (!NT_STATUS_IS_OK(sid_to_uid(pdb_get_user_sid(sam_user), &uid))) {
-               pdb_free_sam(&sam_user);
-               return NT_STATUS_NO_SUCH_USER;
-       }
-
-       pdb_free_sam(&sam_user);
-
-       if ((pwd=getpwuid_alloc(uid)) == NULL) {
-               return NT_STATUS_NO_SUCH_USER;
-       }
-       
-       if ((grp=getgrgid(map.gid)) == NULL) {
-               passwd_free(&pwd);
-               return NT_STATUS_NO_SUCH_ALIAS;
-       }
-
-       /* we need to copy the name otherwise it's overloaded in user_in_group_list */
-       fstrcpy(grp_name, grp->gr_name);
+       DEBUG(10, ("sid is %s\n", sid_string_static(&alias_sid)));
 
-       /* if the user is already in the group */
-       if(user_in_unix_group_list(pwd->pw_name, grp_name)) {
-               passwd_free(&pwd);
-               return NT_STATUS_MEMBER_IN_ALIAS;
-       }
-
-       /* 
-        * ok, the group exist, the user exist, the user is not in the group,
-        * we can (finally) add it to the group !
-        */
-       smb_add_user_group(grp_name, pwd->pw_name);
-
-       /* check if the user has been added then ... */
-       if(!user_in_unix_group_list(pwd->pw_name, grp_name)) {
-               passwd_free(&pwd);
-               return NT_STATUS_MEMBER_NOT_IN_ALIAS;   /* don't know what to reply else */
-       }
+       if (!pdb_add_aliasmem(&alias_sid, &q_u->sid.sid))
+               return NT_STATUS_ACCESS_DENIED;
 
-       passwd_free(&pwd);
        return NT_STATUS_OK;
 }
 
@@ -3434,11 +3533,6 @@ NTSTATUS _samr_add_aliasmem(pipes_struct *p, SAMR_Q_ADD_ALIASMEM *q_u, SAMR_R_AD
 NTSTATUS _samr_del_aliasmem(pipes_struct *p, SAMR_Q_DEL_ALIASMEM *q_u, SAMR_R_DEL_ALIASMEM *r_u)
 {
        DOM_SID alias_sid;
-       fstring alias_sid_str;
-       struct group *grp;
-       fstring grp_name;
-       GROUP_MAP map;
-       SAM_ACCOUNT *sam_pass=NULL;
        uint32 acc_granted;
 
        /* Find the policy handle. Open a policy on it. */
@@ -3449,49 +3543,12 @@ NTSTATUS _samr_del_aliasmem(pipes_struct *p, SAMR_Q_DEL_ALIASMEM *q_u, SAMR_R_DE
                return r_u->status;
        }
        
-       sid_to_string(alias_sid_str, &alias_sid);
-       DEBUG(10, ("_samr_del_aliasmem:sid is %s\n", alias_sid_str));
-
-       if (!sid_check_is_in_our_domain(&alias_sid) &&
-           !sid_check_is_in_builtin(&alias_sid)) {
-               DEBUG(10, ("_samr_del_aliasmem:invalid alias group\n"));
-               return NT_STATUS_NO_SUCH_ALIAS;
-       }
-
-       if( !get_local_group_from_sid(&alias_sid, &map) &&
-           !get_builtin_group_from_sid(&alias_sid, &map) )
-               return NT_STATUS_NO_SUCH_ALIAS;
-
-       if ((grp=getgrgid(map.gid)) == NULL)
-               return NT_STATUS_NO_SUCH_ALIAS;
-
-       /* we need to copy the name otherwise it's overloaded in user_in_unix_group_list */
-       fstrcpy(grp_name, grp->gr_name);
-
-       /* check if the user exists before trying to remove it from the group */
-       pdb_init_sam(&sam_pass);
-       if(!pdb_getsampwsid(sam_pass, &q_u->sid.sid)) {
-               DEBUG(5,("_samr_del_aliasmem:User %s doesn't exist.\n", pdb_get_username(sam_pass)));
-               pdb_free_sam(&sam_pass);
-               return pdb_del_aliasmem(&alias_sid, &q_u->sid.sid) ?
-                       NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
-       }
-
-       /* if the user is not in the group */
-       if(!user_in_unix_group_list(pdb_get_username(sam_pass), grp_name)) {
-               pdb_free_sam(&sam_pass);
-               return NT_STATUS_MEMBER_NOT_IN_ALIAS;
-       }
-
-       smb_delete_user_group(grp_name, pdb_get_username(sam_pass));
+       DEBUG(10, ("_samr_del_aliasmem:sid is %s\n",
+                  sid_string_static(&alias_sid)));
 
-       /* check if the user has been removed then ... */
-       if(user_in_unix_group_list(pdb_get_username(sam_pass), grp_name)) {
-               pdb_free_sam(&sam_pass);
-               return NT_STATUS_MEMBER_NOT_IN_ALIAS;   /* don't know what to reply else */
-       }
-
-       pdb_free_sam(&sam_pass);
+       if (!pdb_del_aliasmem(&alias_sid, &q_u->sid.sid))
+               return NT_STATUS_ACCESS_DENIED;
+       
        return NT_STATUS_OK;
 }
 
@@ -3685,7 +3742,7 @@ static int smb_delete_user(const char *unix_user)
        pstrcpy(del_script, lp_deluser_script());
        if (! *del_script)
                return -1;
-       all_string_sub(del_script, "%u", unix_user, sizeof(pstring));
+       all_string_sub(del_script, "%u", unix_user, sizeof(del_script));
        ret = smbrun(del_script,NULL);
        DEBUG(3,("smb_delete_user: Running the command `%s' gave %d\n",del_script,ret));
 
@@ -3724,7 +3781,14 @@ NTSTATUS _samr_delete_dom_user(pipes_struct *p, SAMR_Q_DELETE_DOM_USER *q_u, SAM
                return NT_STATUS_NO_SUCH_USER;
        }
 
-       /* delete the unix side */
+       /* First delete the samba side */
+       if (!pdb_delete_sam_account(sam_pass)) {
+               DEBUG(5,("_samr_delete_dom_user:Failed to delete entry for user %s.\n", pdb_get_username(sam_pass)));
+               pdb_free_sam(&sam_pass);
+               return NT_STATUS_CANNOT_DELETE;
+       }
+
+       /* Now delete the unix side */
        /*
         * note: we don't check if the delete really happened
         * as the script is not necessary present
@@ -3732,13 +3796,7 @@ NTSTATUS _samr_delete_dom_user(pipes_struct *p, SAMR_Q_DELETE_DOM_USER *q_u, SAM
         */
        smb_delete_user(pdb_get_username(sam_pass));
 
-       /* and delete the samba side */
-       if (!pdb_delete_sam_account(sam_pass)) {
-               DEBUG(5,("_samr_delete_dom_user:Failed to delete entry for user %s.\n", pdb_get_username(sam_pass)));
-               pdb_free_sam(&sam_pass);
-               return NT_STATUS_CANNOT_DELETE;
-       }
-       
+
        pdb_free_sam(&sam_pass);
 
        if (!close_policy_hnd(p, &q_u->user_pol))
@@ -3818,12 +3876,6 @@ NTSTATUS _samr_delete_dom_group(pipes_struct *p, SAMR_Q_DELETE_DOM_GROUP *q_u, S
 NTSTATUS _samr_delete_dom_alias(pipes_struct *p, SAMR_Q_DELETE_DOM_ALIAS *q_u, SAMR_R_DELETE_DOM_ALIAS *r_u)
 {
        DOM_SID alias_sid;
-       DOM_SID dom_sid;
-       uint32 alias_rid;
-       fstring alias_sid_str;
-       gid_t gid;
-       struct group *grp;
-       GROUP_MAP map;
        uint32 acc_granted;
 
        DEBUG(5, ("_samr_delete_dom_alias: %d\n", __LINE__));
@@ -3835,38 +3887,18 @@ NTSTATUS _samr_delete_dom_alias(pipes_struct *p, SAMR_Q_DELETE_DOM_ALIAS *q_u, S
        if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, STD_RIGHT_DELETE_ACCESS, "_samr_delete_dom_alias"))) {
                return r_u->status;
        }
-               
-       sid_copy(&dom_sid, &alias_sid);
-       sid_to_string(alias_sid_str, &dom_sid);
-       sid_split_rid(&dom_sid, &alias_rid);
 
-       DEBUG(10, ("sid is %s\n", alias_sid_str));
+       DEBUG(10, ("sid is %s\n", sid_string_static(&alias_sid)));
 
-       /* we check if it's our SID before deleting */
-       if (!sid_equal(&dom_sid, get_global_sam_sid()))
+       if (!sid_check_is_in_our_domain(&alias_sid))
                return NT_STATUS_NO_SUCH_ALIAS;
-
+               
        DEBUG(10, ("lookup on Local SID\n"));
 
-       if(!get_local_group_from_sid(&alias_sid, &map))
-               return NT_STATUS_NO_SUCH_ALIAS;
-
-       gid=map.gid;
-
-       /* check if group really exists */
-       if ( (grp=getgrgid(gid)) == NULL)
-               return NT_STATUS_NO_SUCH_ALIAS;
-
-       /* we can delete the UNIX group */
-       smb_delete_group(grp->gr_name);
-
-       /* check if the group has been successfully deleted */
-       if ( (grp=getgrgid(gid)) != NULL)
+       /* Have passdb delete the alias */
+       if (!pdb_delete_alias(&alias_sid))
                return NT_STATUS_ACCESS_DENIED;
 
-       /* don't check if we removed it as it could be an un-mapped group */
-       pdb_delete_group_mapping_entry(alias_sid);
-
        if (!close_policy_hnd(p, &q_u->alias_pol))
                return NT_STATUS_OBJECT_NAME_INVALID;
 
@@ -3944,11 +3976,11 @@ NTSTATUS _samr_create_dom_alias(pipes_struct *p, SAMR_Q_CREATE_DOM_ALIAS *q_u, S
        DOM_SID dom_sid;
        DOM_SID info_sid;
        fstring name;
-       fstring sid_string;
        struct group *grp;
        struct samr_info *info;
        uint32 acc_granted;
        gid_t gid;
+       NTSTATUS result;
 
        /* Find the policy handle. Open a policy on it. */
        if (!get_lsa_policy_samr_sid(p, &q_u->dom_pol, &dom_sid, &acc_granted)) 
@@ -3965,26 +3997,20 @@ NTSTATUS _samr_create_dom_alias(pipes_struct *p, SAMR_Q_CREATE_DOM_ALIAS *q_u, S
 
        unistr2_to_ascii(name, &q_u->uni_acct_desc, sizeof(name)-1);
 
-       /* check if group already exists */
-       if ( (grp=getgrnam(name)) != NULL)
-               return NT_STATUS_GROUP_EXISTS;
-
-       /* we can create the UNIX group */
-       if (smb_create_group(name, &gid) != 0)
-               return NT_STATUS_ACCESS_DENIED;
+       /* Have passdb create the alias */
+       result = pdb_create_alias(name, &r_u->rid);
 
-       /* check if the group has been successfully created */
-       if ((grp=getgrgid(gid)) == NULL)
-               return NT_STATUS_ACCESS_DENIED;
-
-       r_u->rid=pdb_gid_to_group_rid(grp->gr_gid);
+       if (!NT_STATUS_IS_OK(result))
+               return result;
 
        sid_copy(&info_sid, get_global_sam_sid());
        sid_append_rid(&info_sid, r_u->rid);
-       sid_to_string(sid_string, &info_sid);
 
-       /* add the group to the mapping table */
-       if(!add_initial_entry(grp->gr_gid, sid_string, SID_NAME_ALIAS, name, NULL))
+       if (!NT_STATUS_IS_OK(sid_to_gid(&info_sid, &gid)))
+               return NT_STATUS_ACCESS_DENIED;
+
+       /* check if the group has been successfully created */
+       if ((grp=getgrgid(gid)) == NULL)
                return NT_STATUS_ACCESS_DENIED;
 
        if ((info = get_samr_info_by_sid(&info_sid)) == NULL)
@@ -4009,7 +4035,8 @@ NTSTATUS _samr_query_groupinfo(pipes_struct *p, SAMR_Q_QUERY_GROUPINFO *q_u, SAM
        DOM_SID group_sid;
        GROUP_MAP map;
        DOM_SID *sids=NULL;
-       int num_sids=0;
+       uid_t *uids;
+       int num=0;
        GROUP_INFO_CTR *ctr;
        uint32 acc_granted;
        BOOL ret;
@@ -4027,16 +4054,17 @@ NTSTATUS _samr_query_groupinfo(pipes_struct *p, SAMR_Q_QUERY_GROUPINFO *q_u, SAM
        if (!ret)
                return NT_STATUS_INVALID_HANDLE;
 
-       ctr=(GROUP_INFO_CTR *)talloc_zero(p->mem_ctx, sizeof(GROUP_INFO_CTR));
+       ctr=TALLOC_ZERO_P(p->mem_ctx, GROUP_INFO_CTR);
        if (ctr==NULL)
                return NT_STATUS_NO_MEMORY;
 
        switch (q_u->switch_level) {
                case 1:
                        ctr->switch_value1 = 1;
-                       if(!get_sid_list_of_group(map.gid, &sids, &num_sids))
+                       if(!get_memberuids(map.gid, &uids, &num))
                                return NT_STATUS_NO_SUCH_GROUP;
-                       init_samr_group_info1(&ctr->group.info1, map.nt_name, map.comment, num_sids);
+                       SAFE_FREE(uids);
+                       init_samr_group_info1(&ctr->group.info1, map.nt_name, map.comment, num);
                        SAFE_FREE(sids);
                        break;
                case 3:
@@ -4108,7 +4136,7 @@ NTSTATUS _samr_set_groupinfo(pipes_struct *p, SAMR_Q_SET_GROUPINFO *q_u, SAMR_R_
 NTSTATUS _samr_set_aliasinfo(pipes_struct *p, SAMR_Q_SET_ALIASINFO *q_u, SAMR_R_SET_ALIASINFO *r_u)
 {
        DOM_SID group_sid;
-       GROUP_MAP map;
+       struct acct_info info;
        ALIAS_INFO_CTR *ctr;
        uint32 acc_granted;
 
@@ -4119,22 +4147,20 @@ NTSTATUS _samr_set_aliasinfo(pipes_struct *p, SAMR_Q_SET_ALIASINFO *q_u, SAMR_R_
                return r_u->status;
        }
                
-       if (!get_local_group_from_sid(&group_sid, &map) &&
-           !get_builtin_group_from_sid(&group_sid, &map))
-               return NT_STATUS_NO_SUCH_GROUP;
-       
        ctr=&q_u->ctr;
 
        switch (ctr->switch_value1) {
                case 3:
-                       unistr2_to_ascii(map.comment, &(ctr->alias.info3.uni_acct_desc), sizeof(map.comment)-1);
+                       unistr2_to_ascii(info.acct_desc,
+                                        &(ctr->alias.info3.uni_acct_desc),
+                                        sizeof(info.acct_desc)-1);
                        break;
                default:
                        return NT_STATUS_INVALID_INFO_CLASS;
        }
 
-       if(!pdb_update_group_mapping_entry(&map)) {
-               return NT_STATUS_NO_SUCH_GROUP;
+       if(!pdb_set_aliasinfo(&group_sid, &info)) {
+               return NT_STATUS_ACCESS_DENIED;
        }
 
        return NT_STATUS_OK;
@@ -4359,7 +4385,7 @@ NTSTATUS _samr_unknown_2e(pipes_struct *p, SAMR_Q_UNKNOWN_2E *q_u, SAMR_R_UNKNOW
 
        uint32 account_policy_temp;
 
-       if ((ctr = (SAM_UNK_CTR *)talloc_zero(p->mem_ctx, sizeof(SAM_UNK_CTR))) == NULL)
+       if ((ctr = TALLOC_ZERO_P(p->mem_ctx, SAM_UNK_CTR)) == NULL)
                return NT_STATUS_NO_MEMORY;
 
        ZERO_STRUCTP(ctr);
@@ -4414,9 +4440,14 @@ NTSTATUS _samr_unknown_2e(pipes_struct *p, SAMR_Q_UNKNOWN_2E *q_u, SAMR_R_UNKNOW
                        num_groups=info->disp_info.num_group_account;
                        free_samr_db(info);
 
+                       account_policy_get(AP_TIME_TO_LOGOUT, &account_policy_temp);
+                       u_logout = account_policy_temp;
+
+                       unix_to_nt_time_abs(&nt_logout, u_logout);
+
                        /* The time call below is to get a sequence number for the sam. FIXME !!! JRA. */
-                       init_unk_info2(&ctr->info.inf2, lp_workgroup(), global_myname(), (uint32) time(NULL), 
-                                      num_users, num_groups, num_aliases);
+                       init_unk_info2(&ctr->info.inf2, "", lp_workgroup(), global_myname(), (uint32) time(NULL), 
+                                      num_users, num_groups, num_aliases, nt_logout);
                        break;
                case 0x03:
                        account_policy_get(AP_TIME_TO_LOGOUT, &account_policy_temp);
@@ -4435,12 +4466,17 @@ NTSTATUS _samr_unknown_2e(pipes_struct *p, SAMR_Q_UNKNOWN_2E *q_u, SAMR_R_UNKNOW
                case 0x07:
                        init_unk_info7(&ctr->info.inf7);
                        break;
+               case 0x08:
+                       init_unk_info8(&ctr->info.inf8, (uint32) time(NULL));
+                       break;
                case 0x0c:
                        account_policy_get(AP_LOCK_ACCOUNT_DURATION, &account_policy_temp);
                        u_lock_duration = account_policy_temp;
+                       if (u_lock_duration != -1)
+                               u_lock_duration *= 60;
 
                        account_policy_get(AP_RESET_COUNT_TIME, &account_policy_temp);
-                       u_reset_time = account_policy_temp;
+                       u_reset_time = account_policy_temp * 60;
 
                        account_policy_get(AP_BAD_ATTEMPT_LOCKOUT, &account_policy_temp);
                        lockout = account_policy_temp;
@@ -4505,7 +4541,9 @@ NTSTATUS _samr_set_dom_info(pipes_struct *p, SAMR_Q_SET_DOMAIN_INFO *q_u, SAMR_R
                case 0x07:
                        break;
                case 0x0c:
-                       u_lock_duration=nt_time_to_unix_abs(&q_u->ctr->info.inf12.duration)/60;
+                       u_lock_duration=nt_time_to_unix_abs(&q_u->ctr->info.inf12.duration);
+                       if (u_lock_duration != -1)
+                               u_lock_duration /= 60;
                        u_reset_time=nt_time_to_unix_abs(&q_u->ctr->info.inf12.reset_count)/60;
                        
                        account_policy_set(AP_LOCK_ACCOUNT_DURATION, (int)u_lock_duration);