s4:SAMR RPC - Fix the criteria for group searches
[ira/wip.git] / source4 / rpc_server / samr / dcesrv_samr.c
index e8d800e23d39526fed9ba54618472a1d2a12a886..7de2377fe9e48a9418f66ea0b2b1b14d400c631e 100644 (file)
@@ -6,6 +6,7 @@
    Copyright (C) Andrew Tridgell 2004
    Copyright (C) Volker Lendecke 2004
    Copyright (C) Andrew Bartlett <abartlet@samba.org> 2004-2005
+   Copyright (C) Matthias Dieter Wallnöfer 2009
    
    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
@@ -29,7 +30,7 @@
 #include "system/time.h"
 #include "lib/ldb/include/ldb.h"
 #include "lib/ldb/include/ldb_errors.h"
-#include "dsdb/common/flags.h"
+#include "../libds/common/flags.h"
 #include "dsdb/samdb/samdb.h"
 #include "libcli/ldap/ldap_ndr.h"
 #include "libcli/security/security.h"
 
 #define SET_PARAMETERS(msg, field, attr) do {                          \
        struct ldb_message_element *set_el;                             \
-       if (samdb_msg_add_parameters(sam_ctx, mem_ctx, msg, attr, &r->in.info->field) != 0) { \
-               return NT_STATUS_NO_MEMORY;                             \
+       if (r->in.info->field.length != 0) {                            \
+               if (samdb_msg_add_parameters(sam_ctx, mem_ctx, msg, attr, &r->in.info->field) != 0) { \
+                       return NT_STATUS_NO_MEMORY;                     \
+               }                                                       \
+               set_el = ldb_msg_find_element(msg, attr);               \
+               set_el->flags = LDB_FLAG_MOD_REPLACE;                   \
        }                                                               \
-       set_el = ldb_msg_find_element(msg, attr);                       \
-       set_el->flags = LDB_FLAG_MOD_REPLACE;                           \
 } while (0)
 
 
@@ -162,7 +165,7 @@ static NTSTATUS dcesrv_samr_Connect(struct dcesrv_call_state *dce_call, TALLOC_C
 
        ZERO_STRUCTP(r->out.connect_handle);
 
-       c_state = talloc(dce_call->conn, struct samr_connect_state);
+       c_state = talloc(mem_ctx, struct samr_connect_state);
        if (!c_state) {
                return NT_STATUS_NO_MEMORY;
        }
@@ -271,13 +274,10 @@ static NTSTATUS dcesrv_samr_LookupDomain(struct dcesrv_call_state *dce_call, TAL
        struct dcesrv_handle *h;
        struct dom_sid *sid;
        const char * const dom_attrs[] = { "objectSid", NULL};
-       const char * const ref_attrs[] = { "ncName", NULL};
        struct ldb_message **dom_msgs;
-       struct ldb_message **ref_msgs;
        int ret;
-       struct ldb_dn *partitions_basedn;
 
-       r->out.sid = NULL;
+       *r->out.sid = NULL;
 
        DCESRV_PULL_HANDLE(h, r->in.connect_handle, SAMR_HANDLE_CONNECT);
 
@@ -287,27 +287,17 @@ static NTSTATUS dcesrv_samr_LookupDomain(struct dcesrv_call_state *dce_call, TAL
                return NT_STATUS_INVALID_PARAMETER;
        }
 
-       partitions_basedn = samdb_partitions_dn(c_state->sam_ctx, mem_ctx);
-
        if (strcasecmp(r->in.domain_name->string, "BUILTIN") == 0) {
                ret = gendb_search(c_state->sam_ctx,
                                   mem_ctx, NULL, &dom_msgs, dom_attrs,
                                   "(objectClass=builtinDomain)");
-       } else {
-               ret = gendb_search(c_state->sam_ctx,
-                                  mem_ctx, partitions_basedn, &ref_msgs, ref_attrs,
-                                  "(&(&(nETBIOSName=%s)(objectclass=crossRef))(ncName=*))", 
-                                  ldb_binary_encode_string(mem_ctx, r->in.domain_name->string));
-               if (ret != 1) {
-                       return NT_STATUS_NO_SUCH_DOMAIN;
-               }
-               
-               ret = gendb_search_dn(c_state->sam_ctx, mem_ctx, 
-                                     samdb_result_dn(c_state->sam_ctx, mem_ctx,
-                                                     ref_msgs[0], "ncName", NULL), 
+       } else if (strcasecmp_m(r->in.domain_name->string, lp_sam_name(dce_call->conn->dce_ctx->lp_ctx)) == 0) {
+               ret = gendb_search_dn(c_state->sam_ctx,
+                                     mem_ctx, ldb_get_default_basedn(c_state->sam_ctx), 
                                      &dom_msgs, dom_attrs);
+       } else {
+               return NT_STATUS_NO_SUCH_DOMAIN;
        }
-
        if (ret != 1) {
                return NT_STATUS_NO_SUCH_DOMAIN;
        }
@@ -319,7 +309,7 @@ static NTSTATUS dcesrv_samr_LookupDomain(struct dcesrv_call_state *dce_call, TAL
                return NT_STATUS_NO_SUCH_DOMAIN;
        }
 
-       r->out.sid = sid;
+       *r->out.sid = sid;
 
        return NT_STATUS_OK;
 }
@@ -336,35 +326,21 @@ static NTSTATUS dcesrv_samr_EnumDomains(struct dcesrv_call_state *dce_call, TALL
        struct samr_connect_state *c_state;
        struct dcesrv_handle *h;
        struct samr_SamArray *array;
-       int i, start_i, ret;
-       const char * const dom_attrs[] = { "cn", NULL};
-       const char * const ref_attrs[] = { "nETBIOSName", NULL};
-       struct ldb_result *dom_res;
-       struct ldb_result *ref_res;
-       struct ldb_dn *partitions_basedn;
+       int i, start_i;
 
        *r->out.resume_handle = 0;
-       r->out.sam = NULL;
-       r->out.num_entries = 0;
+       *r->out.sam = NULL;
+       *r->out.num_entries = 0;
 
        DCESRV_PULL_HANDLE(h, r->in.connect_handle, SAMR_HANDLE_CONNECT);
 
        c_state = h->data;
 
-       partitions_basedn = samdb_partitions_dn(c_state->sam_ctx, mem_ctx);
-
-       ret = ldb_search(c_state->sam_ctx, mem_ctx, &dom_res, ldb_get_default_basedn(c_state->sam_ctx),
-                                LDB_SCOPE_SUBTREE, dom_attrs, "(|(|(objectClass=domain)(objectClass=builtinDomain))(objectClass=samba4LocalDomain))");
-       if (ret != LDB_SUCCESS) {
-               DEBUG(0,("samdb: unable to find domains: %s\n", ldb_errstring(c_state->sam_ctx)));
-               return NT_STATUS_INTERNAL_DB_CORRUPTION;
-       }
-
-       *r->out.resume_handle = dom_res->count;
+       *r->out.resume_handle = 2;
 
        start_i = *r->in.resume_handle;
 
-       if (start_i >= dom_res->count) {
+       if (start_i >= 2) {
                /* search past end of list is not an error for this call */
                return NT_STATUS_OK;
        }
@@ -377,33 +353,23 @@ static NTSTATUS dcesrv_samr_EnumDomains(struct dcesrv_call_state *dce_call, TALL
        array->count = 0;
        array->entries = NULL;
 
-       array->entries = talloc_array(mem_ctx, struct samr_SamEntry, dom_res->count - start_i);
+       array->entries = talloc_array(mem_ctx, struct samr_SamEntry, 2 - start_i);
        if (array->entries == NULL) {
                return NT_STATUS_NO_MEMORY;
        }
 
-       for (i=0;i<dom_res->count-start_i;i++) {
+       for (i=0;i<2-start_i;i++) {
                array->entries[i].idx = start_i + i;
-               /* try and find the domain */
-               ret = ldb_search(c_state->sam_ctx, mem_ctx, &ref_res, partitions_basedn,
-                                        LDB_SCOPE_SUBTREE, ref_attrs, "(&(objectClass=crossRef)(ncName=%s))", 
-                                        ldb_dn_get_linearized(dom_res->msgs[i]->dn));
-
-               if (ret != LDB_SUCCESS) {
-                       DEBUG(0,("samdb: unable to find domains: %s\n", ldb_errstring(c_state->sam_ctx)));
-                       return NT_STATUS_INTERNAL_DB_CORRUPTION;
-               }
-
-               if (ref_res->count == 1) {
-                       array->entries[i].name.string = samdb_result_string(ref_res->msgs[0], "nETBIOSName", NULL);
+               if (i == 0) {
+                       array->entries[i].name.string = lp_sam_name(dce_call->conn->dce_ctx->lp_ctx);
                } else {
-                       array->entries[i].name.string = samdb_result_string(dom_res->msgs[i], "cn", NULL);
+                       array->entries[i].name.string = "BUILTIN";
                }
        }
 
-       r->out.sam = array;
-       r->out.num_entries = i;
-       array->count = r->out.num_entries;
+       *r->out.sam = array;
+       *r->out.num_entries = i;
+       array->count = *r->out.num_entries;
 
        return NT_STATUS_OK;
 }
@@ -416,15 +382,11 @@ static NTSTATUS dcesrv_samr_OpenDomain(struct dcesrv_call_state *dce_call, TALLO
                                struct samr_OpenDomain *r)
 {
        struct dcesrv_handle *h_conn, *h_domain;
-       const char *domain_name;
        struct samr_connect_state *c_state;
        struct samr_domain_state *d_state;
        const char * const dom_attrs[] = { "cn", NULL};
-       const char * const ref_attrs[] = { "nETBIOSName", NULL};
        struct ldb_message **dom_msgs;
-       struct ldb_message **ref_msgs;
        int ret;
-       struct ldb_dn *partitions_basedn;
 
        ZERO_STRUCTP(r->out.domain_handle);
 
@@ -436,63 +398,44 @@ static NTSTATUS dcesrv_samr_OpenDomain(struct dcesrv_call_state *dce_call, TALLO
                return NT_STATUS_INVALID_PARAMETER;
        }
 
-       partitions_basedn = samdb_partitions_dn(c_state->sam_ctx, mem_ctx);
+       d_state = talloc(mem_ctx, struct samr_domain_state);
+       if (!d_state) {
+               return NT_STATUS_NO_MEMORY;
+       }
+
+       d_state->domain_sid = talloc_steal(d_state, r->in.sid);
+
+       if (dom_sid_equal(d_state->domain_sid, dom_sid_parse_talloc(mem_ctx, SID_BUILTIN))) {
+               d_state->builtin = true;
+               d_state->domain_name = "BUILTIN";
+       } else {
+               d_state->builtin = false;
+               d_state->domain_name = lp_sam_name(dce_call->conn->dce_ctx->lp_ctx);
+       }
 
        ret = gendb_search(c_state->sam_ctx,
-                          mem_ctx, NULL, &dom_msgs, dom_attrs,
-                          "(&(objectSid=%s)(|(|(objectClass=domain)(objectClass=builtinDomain))(objectClass=samba4LocalDomain)))", 
+                          mem_ctx, ldb_get_default_basedn(c_state->sam_ctx), &dom_msgs, dom_attrs,
+                          "(objectSid=%s)", 
                           ldap_encode_ndr_dom_sid(mem_ctx, r->in.sid));
+       
        if (ret == 0) {
+               talloc_free(d_state);
                return NT_STATUS_NO_SUCH_DOMAIN;
        } else if (ret > 1) {
+               talloc_free(d_state);
                return NT_STATUS_INTERNAL_DB_CORRUPTION;
        } else if (ret == -1) {
+               talloc_free(d_state);
                DEBUG(1, ("Failed to open domain %s: %s\n", dom_sid_string(mem_ctx, r->in.sid), ldb_errstring(c_state->sam_ctx)));
                return NT_STATUS_INTERNAL_DB_CORRUPTION;
-       } else {
-               ret = gendb_search(c_state->sam_ctx,
-                                  mem_ctx, partitions_basedn, &ref_msgs, ref_attrs,
-                                  "(&(&(nETBIOSName=*)(objectclass=crossRef))(ncName=%s))", 
-                                  ldb_dn_get_linearized(dom_msgs[0]->dn));
-               if (ret == 0) {
-                       domain_name = ldb_msg_find_attr_as_string(dom_msgs[0], "cn", NULL);
-                       if (domain_name == NULL) {
-                               return NT_STATUS_NO_SUCH_DOMAIN;
-                       }
-               } else if (ret == 1) {
-               
-                       domain_name = ldb_msg_find_attr_as_string(ref_msgs[0], "nETBIOSName", NULL);
-                       if (domain_name == NULL) {
-                               return NT_STATUS_NO_SUCH_DOMAIN;
-                       }
-               } else {
-                       return NT_STATUS_NO_SUCH_DOMAIN;
-               }
-       }
-
-       d_state = talloc(c_state, struct samr_domain_state);
-       if (!d_state) {
-               return NT_STATUS_NO_MEMORY;
        }
 
+       d_state->domain_dn = talloc_steal(d_state, dom_msgs[0]->dn);
        d_state->role = lp_server_role(dce_call->conn->dce_ctx->lp_ctx);
        d_state->connect_state = talloc_reference(d_state, c_state);
        d_state->sam_ctx = c_state->sam_ctx;
-       d_state->domain_sid = dom_sid_dup(d_state, r->in.sid);
-       d_state->domain_name = talloc_strdup(d_state, domain_name);
-       d_state->domain_dn = ldb_dn_copy(d_state, dom_msgs[0]->dn);
-       if (!d_state->domain_sid || !d_state->domain_name || !d_state->domain_dn) {
-               talloc_free(d_state);
-               return NT_STATUS_NO_MEMORY;             
-       }
        d_state->access_mask = r->in.access_mask;
 
-       if (dom_sid_equal(d_state->domain_sid, dom_sid_parse_talloc(mem_ctx, SID_BUILTIN))) {
-               d_state->builtin = true;
-       } else {
-               d_state->builtin = false;
-       }
-
        d_state->lp_ctx = dce_call->conn->dce_ctx->lp_ctx;
 
        h_domain = dcesrv_handle_new(dce_call->context, SAMR_HANDLE_DOMAIN);
@@ -575,14 +518,14 @@ static NTSTATUS dcesrv_samr_info_DomGeneralInformation(struct samr_domain_state
        }
 
        /* No users in BUILTIN, and the LOCAL group types are only in builtin, and the global group type is never in BUILTIN */
-       info->num_users = samdb_search_count(state->sam_ctx, mem_ctx, state->domain_dn, 
+       info->num_users = samdb_search_count(state->sam_ctx, state->domain_dn,
                                             "(objectClass=user)");
-       info->num_groups = samdb_search_count(state->sam_ctx, mem_ctx, state->domain_dn,
-                                             "(&(objectClass=group)(sAMAccountType=%u))",
-                                             ATYPE_GLOBAL_GROUP);
-       info->num_aliases = samdb_search_count(state->sam_ctx, mem_ctx, state->domain_dn,
-                                              "(&(objectClass=group)(sAMAccountType=%u))",
-                                              ATYPE_LOCAL_GROUP);
+       info->num_groups = samdb_search_count(state->sam_ctx, state->domain_dn,
+                                             "(&(objectClass=group)(groupType=%u))",
+                                             GTYPE_SECURITY_GLOBAL_GROUP);
+       info->num_aliases = samdb_search_count(state->sam_ctx, state->domain_dn,
+                                              "(&(objectClass=group)(groupType=%u))",
+                                              GTYPE_SECURITY_DOMAIN_LOCAL_GROUP);
 
        return NT_STATUS_OK;
 }
@@ -704,7 +647,7 @@ static NTSTATUS dcesrv_samr_info_DomInfo9(struct samr_domain_state *state,
                                    struct ldb_message **dom_msgs,
                                   struct samr_DomInfo9 *info)
 {
-       info->unknown = 1;
+       info->domain_server_state = DOMAIN_SERVER_ENABLED;
 
        return NT_STATUS_OK;
 }
@@ -763,8 +706,7 @@ static NTSTATUS dcesrv_samr_info_DomInfo13(struct samr_domain_state *state,
        info->domain_create_time = ldb_msg_find_attr_as_uint(dom_msgs[0], "creationTime",
                                                     0x0LL);
 
-       info->unknown1 = 0;
-       info->unknown2 = 0;
+       info->modified_count_at_last_promotion = 0;
 
        return NT_STATUS_OK;
 }
@@ -777,27 +719,31 @@ static NTSTATUS dcesrv_samr_QueryDomainInfo(struct dcesrv_call_state *dce_call,
 {
        struct dcesrv_handle *h;
        struct samr_domain_state *d_state;
+       union samr_DomainInfo *info;
 
        struct ldb_message **dom_msgs;
        const char * const *attrs = NULL;
        
-       r->out.info = NULL;
+       *r->out.info = NULL;
 
        DCESRV_PULL_HANDLE(h, r->in.domain_handle, SAMR_HANDLE_DOMAIN);
 
        d_state = h->data;
 
-       r->out.info = talloc(mem_ctx, union samr_DomainInfo);
-       if (!r->out.info) {
+       info = talloc(mem_ctx, union samr_DomainInfo);
+       if (!info) {
                return NT_STATUS_NO_MEMORY;
        }
 
        switch (r->in.level) {
        case 1: 
        {
-               static const char * const attrs2[] = { "minPwdLength", "pwdHistoryLength",
-                                                      "pwdProperties", "maxPwdAge",
-                                                      "minPwdAge", NULL };
+               static const char * const attrs2[] = { "minPwdLength",
+                                                      "pwdHistoryLength",
+                                                      "pwdProperties",
+                                                      "maxPwdAge",
+                                                      "minPwdAge",
+                                                      NULL };
                attrs = attrs2;
                break;
        }
@@ -851,11 +797,14 @@ static NTSTATUS dcesrv_samr_QueryDomainInfo(struct dcesrv_call_state *dce_call,
                break;
        }
        case 9:
+       {
                attrs = NULL;
-               break;          
+               break;
+       }
        case 11:
        {
-               static const char * const attrs2[] = { "oEMInformation", "forceLogoff", 
+               static const char * const attrs2[] = { "oEMInformation",
+                                                      "forceLogoff",
                                                       "modifiedCount", 
                                                       "lockoutDuration", 
                                                       "lockOutObservationWindow", 
@@ -881,6 +830,10 @@ static NTSTATUS dcesrv_samr_QueryDomainInfo(struct dcesrv_call_state *dce_call,
                attrs = attrs2;
                break;
        }
+       default:
+       {
+               return NT_STATUS_INVALID_INFO_CLASS;
+       }
        }
 
        /* some levels don't need a search */
@@ -893,48 +846,50 @@ static NTSTATUS dcesrv_samr_QueryDomainInfo(struct dcesrv_call_state *dce_call,
                }
        }
 
-       ZERO_STRUCTP(r->out.info);
+       *r->out.info = info;
+
+       ZERO_STRUCTP(info);
 
        switch (r->in.level) {
        case 1:
                return dcesrv_samr_info_DomInfo1(d_state, mem_ctx, dom_msgs, 
-                                                &r->out.info->info1);
+                                                &info->info1);
        case 2:
                return dcesrv_samr_info_DomGeneralInformation(d_state, mem_ctx, dom_msgs, 
-                                                             &r->out.info->general);
+                                                             &info->general);
        case 3:
                return dcesrv_samr_info_DomInfo3(d_state, mem_ctx, dom_msgs, 
-                                                &r->out.info->info3);
+                                                &info->info3);
        case 4:
                return dcesrv_samr_info_DomOEMInformation(d_state, mem_ctx, dom_msgs, 
-                                                         &r->out.info->oem);
+                                                         &info->oem);
        case 5:
                return dcesrv_samr_info_DomInfo5(d_state, mem_ctx, dom_msgs, 
-                                                &r->out.info->info5);
+                                                &info->info5);
        case 6:
                return dcesrv_samr_info_DomInfo6(d_state, mem_ctx, dom_msgs, 
-                                                &r->out.info->info6);
+                                                &info->info6);
        case 7:
                return dcesrv_samr_info_DomInfo7(d_state, mem_ctx, dom_msgs, 
-                                                &r->out.info->info7);
+                                                &info->info7);
        case 8:
                return dcesrv_samr_info_DomInfo8(d_state, mem_ctx, dom_msgs, 
-                                                &r->out.info->info8);
+                                                &info->info8);
        case 9:
                return dcesrv_samr_info_DomInfo9(d_state, mem_ctx, dom_msgs, 
-                                                &r->out.info->info9);
+                                                &info->info9);
        case 11:
                return dcesrv_samr_info_DomGeneralInformation2(d_state, mem_ctx, dom_msgs, 
-                                                              &r->out.info->general2);
+                                                              &info->general2);
        case 12:
                return dcesrv_samr_info_DomInfo12(d_state, mem_ctx, dom_msgs, 
-                                                 &r->out.info->info12);
+                                                 &info->info12);
        case 13:
                return dcesrv_samr_info_DomInfo13(d_state, mem_ctx, dom_msgs, 
-                                                 &r->out.info->info13);
+                                                 &info->info13);
+       default:
+               return NT_STATUS_INVALID_INFO_CLASS;
        }
-       
-       return NT_STATUS_INVALID_INFO_CLASS;
 }
 
 
@@ -1000,7 +955,7 @@ static NTSTATUS dcesrv_samr_SetDomainInfo(struct dcesrv_call_state *dce_call, TA
 
        /* modify the samdb record */
        ret = ldb_modify(sam_ctx, msg);
-       if (ret != 0) {
+       if (ret != LDB_SUCCESS) {
                DEBUG(1,("Failed to modify record %s: %s\n",
                         ldb_dn_get_linearized(d_state->domain_dn),
                         ldb_errstring(sam_ctx)));
@@ -1091,7 +1046,7 @@ static NTSTATUS dcesrv_samr_CreateDomainGroup(struct dcesrv_call_state *dce_call
                return NT_STATUS_INTERNAL_DB_CORRUPTION;
        }
 
-       a_state = talloc(d_state, struct samr_account_state);
+       a_state = talloc(mem_ctx, struct samr_account_state);
        if (!a_state) {
                return NT_STATUS_NO_MEMORY;
        }
@@ -1147,10 +1102,11 @@ static NTSTATUS dcesrv_samr_EnumDomainGroups(struct dcesrv_call_state *dce_call,
        int ldb_cnt, count, i, first;
        struct samr_SamEntry *entries;
        const char * const attrs[3] = { "objectSid", "sAMAccountName", NULL };
+       struct samr_SamArray *sam;
 
        *r->out.resume_handle = 0;
-       r->out.sam = NULL;
-       r->out.num_entries = 0;
+       *r->out.sam = NULL;
+       *r->out.num_entries = 0;
 
        DCESRV_PULL_HANDLE(h, r->in.domain_handle, SAMR_HANDLE_DOMAIN);
 
@@ -1201,20 +1157,22 @@ static NTSTATUS dcesrv_samr_EnumDomainGroups(struct dcesrv_call_state *dce_call,
 
        /* return the rest, limit by max_size. Note that we 
           use the w2k3 element size value of 54 */
-       r->out.num_entries = count - first;
-       r->out.num_entries = MIN(r->out.num_entries, 
+       *r->out.num_entries = count - first;
+       *r->out.num_entries = MIN(*r->out.num_entries,
                                 1+(r->in.max_size/SAMR_ENUM_USERS_MULTIPLIER));
 
-       r->out.sam = talloc(mem_ctx, struct samr_SamArray);
-       if (!r->out.sam) {
+       sam = talloc(mem_ctx, struct samr_SamArray);
+       if (!sam) {
                return NT_STATUS_NO_MEMORY;
        }
 
-       r->out.sam->entries = entries+first;
-       r->out.sam->count = r->out.num_entries;
+       sam->entries = entries+first;
+       sam->count = *r->out.num_entries;
 
-       if (r->out.num_entries < count - first) {
-               *r->out.resume_handle = entries[first+r->out.num_entries-1].idx;
+       *r->out.sam = sam;
+
+       if (*r->out.num_entries < count - first) {
+               *r->out.resume_handle = entries[first+*r->out.num_entries-1].idx;
                return STATUS_MORE_ENTRIES;
        }
 
@@ -1266,6 +1224,9 @@ static NTSTATUS dcesrv_samr_CreateUser2(struct dcesrv_call_state *dce_call, TALL
        if (d_state->builtin) {
                DEBUG(5, ("Cannot create a user in the BUILTIN domain"));
                return NT_STATUS_ACCESS_DENIED;
+       } else if (r->in.acct_flags == ACB_DOMTRUST) {
+               /* Domain trust accounts must be created by the LSA calls */
+               return NT_STATUS_ACCESS_DENIED;
        }
        account_name = r->in.account_name->string;
 
@@ -1273,8 +1234,13 @@ static NTSTATUS dcesrv_samr_CreateUser2(struct dcesrv_call_state *dce_call, TALL
                return NT_STATUS_INVALID_PARAMETER;
        }
 
+       /*
+        * Start a transaction, so we can query and do a subsequent atomic
+        * modify
+        */
+
        ret = ldb_transaction_start(d_state->sam_ctx);
-       if (ret != 0) {
+       if (ret != LDB_SUCCESS) {
                DEBUG(0,("Failed to start a transaction for user creation: %s\n",
                         ldb_errstring(d_state->sam_ctx)));
                return NT_STATUS_INTERNAL_DB_CORRUPTION;
@@ -1311,43 +1277,42 @@ static NTSTATUS dcesrv_samr_CreateUser2(struct dcesrv_call_state *dce_call, TALL
 
        } else if (r->in.acct_flags == ACB_WSTRUST) {
                if (cn_name[cn_name_len - 1] != '$') {
+                       ldb_transaction_cancel(d_state->sam_ctx);
                        return NT_STATUS_FOOBAR;
                }
                cn_name[cn_name_len - 1] = '\0';
                container = "CN=Computers";
                obj_class = "computer";
-               samdb_msg_add_int(d_state->sam_ctx, mem_ctx, msg, "primaryGroupID", DOMAIN_RID_DOMAIN_MEMBERS);
+               samdb_msg_add_int(d_state->sam_ctx, mem_ctx, msg,
+                       "primaryGroupID", DOMAIN_RID_DOMAIN_MEMBERS);
 
        } else if (r->in.acct_flags == ACB_SVRTRUST) {
                if (cn_name[cn_name_len - 1] != '$') {
+                       ldb_transaction_cancel(d_state->sam_ctx);
                        return NT_STATUS_FOOBAR;                
                }
                cn_name[cn_name_len - 1] = '\0';
                container = "OU=Domain Controllers";
                obj_class = "computer";
-               samdb_msg_add_int(d_state->sam_ctx, mem_ctx, msg, "primaryGroupID", DOMAIN_RID_DCS);
-
-       } else if (r->in.acct_flags == ACB_DOMTRUST) {
-               container = "CN=Users";
-               obj_class = "user";
-
+               samdb_msg_add_int(d_state->sam_ctx, mem_ctx, msg,
+                       "primaryGroupID", DOMAIN_RID_DCS);
        } else {
                ldb_transaction_cancel(d_state->sam_ctx);
                return NT_STATUS_INVALID_PARAMETER;
        }
 
        /* add core elements to the ldb_message for the user */
-       msg->dn = ldb_dn_copy(mem_ctx, d_state->domain_dn);
+       msg->dn = ldb_dn_copy(msg, d_state->domain_dn);
        if ( ! ldb_dn_add_child_fmt(msg->dn, "CN=%s,%s", cn_name, container)) {
                ldb_transaction_cancel(d_state->sam_ctx);
                return NT_STATUS_FOOBAR;
        }
 
-       samdb_msg_add_string(d_state->sam_ctx, mem_ctx, msg, "sAMAccountName", account_name);
-       samdb_msg_add_string(d_state->sam_ctx, mem_ctx, msg, "objectClass", obj_class);
-       
-       /* Start a transaction, so we can query and do a subsequent atomic modify */
-       
+       samdb_msg_add_string(d_state->sam_ctx, mem_ctx, msg, "sAMAccountName",
+               account_name);
+       samdb_msg_add_string(d_state->sam_ctx, mem_ctx, msg, "objectClass",
+               obj_class);
+
        /* create the user */
        ret = ldb_add(d_state->sam_ctx, msg);
        switch (ret) {
@@ -1374,7 +1339,7 @@ static NTSTATUS dcesrv_samr_CreateUser2(struct dcesrv_call_state *dce_call, TALL
                return NT_STATUS_INTERNAL_DB_CORRUPTION;
        }
 
-       a_state = talloc(d_state, struct samr_account_state);
+       a_state = talloc(mem_ctx, struct samr_account_state);
        if (!a_state) {
                ldb_transaction_cancel(d_state->sam_ctx);
                return NT_STATUS_NO_MEMORY;
@@ -1385,7 +1350,7 @@ static NTSTATUS dcesrv_samr_CreateUser2(struct dcesrv_call_state *dce_call, TALL
        a_state->account_dn = talloc_steal(a_state, msg->dn);
 
        /* retrieve the sid and account control bits for the user just created */
-       ret = gendb_search_dn(d_state->sam_ctx, a_state,
+       ret = gendb_search_dn(d_state->sam_ctx, mem_ctx,
                              msg->dn, &msgs, attrs);
 
        if (ret != 1) {
@@ -1410,7 +1375,7 @@ static NTSTATUS dcesrv_samr_CreateUser2(struct dcesrv_call_state *dce_call, TALL
                                  UF_INTERDOMAIN_TRUST_ACCOUNT | 
                                  UF_WORKSTATION_TRUST_ACCOUNT | 
                                  UF_SERVER_TRUST_ACCOUNT));
-       user_account_control |= samdb_acb2uf(r->in.acct_flags);
+       user_account_control |= ds_acb2uf(r->in.acct_flags);
 
        talloc_free(msg);
        msg = ldb_msg_new(mem_ctx);
@@ -1430,7 +1395,7 @@ static NTSTATUS dcesrv_samr_CreateUser2(struct dcesrv_call_state *dce_call, TALL
 
        /* modify the samdb record */
        ret = samdb_replace(a_state->sam_ctx, mem_ctx, msg);
-       if (ret != 0) {
+       if (ret != LDB_SUCCESS) {
                DEBUG(0,("Failed to modify account record %s to set userAccountControl: %s\n",
                         ldb_dn_get_linearized(msg->dn),
                         ldb_errstring(d_state->sam_ctx)));
@@ -1441,7 +1406,7 @@ static NTSTATUS dcesrv_samr_CreateUser2(struct dcesrv_call_state *dce_call, TALL
        }
 
        ret = ldb_transaction_commit(d_state->sam_ctx);
-       if (ret != 0) {
+       if (ret != LDB_SUCCESS) {
                DEBUG(0,("Failed to commit transaction to add and modify account record %s: %s\n",
                         ldb_dn_get_linearized(msg->dn),
                         ldb_errstring(d_state->sam_ctx)));
@@ -1503,11 +1468,13 @@ static NTSTATUS dcesrv_samr_EnumDomainUsers(struct dcesrv_call_state *dce_call,
        struct ldb_result *res;
        int ret, num_filtered_entries, i, first;
        struct samr_SamEntry *entries;
-       const char * const attrs[] = { "objectSid", "sAMAccountName", "userAccountControl", NULL };
+       const char * const attrs[] = { "objectSid", "sAMAccountName",
+               "userAccountControl", NULL };
+       struct samr_SamArray *sam;
 
        *r->out.resume_handle = 0;
-       r->out.sam = NULL;
-       r->out.num_entries = 0;
+       *r->out.sam = NULL;
+       *r->out.num_entries = 0;
 
        DCESRV_PULL_HANDLE(h, r->in.domain_handle, SAMR_HANDLE_DOMAIN);
 
@@ -1551,24 +1518,26 @@ static NTSTATUS dcesrv_samr_EnumDomainUsers(struct dcesrv_call_state *dce_call,
 
        /* return the rest, limit by max_size. Note that we 
           use the w2k3 element size value of 54 */
-       r->out.num_entries = num_filtered_entries - first;
-       r->out.num_entries = MIN(r->out.num_entries, 
+       *r->out.num_entries = num_filtered_entries - first;
+       *r->out.num_entries = MIN(*r->out.num_entries,
                                 1+(r->in.max_size/SAMR_ENUM_USERS_MULTIPLIER));
 
-       r->out.sam = talloc(mem_ctx, struct samr_SamArray);
-       if (!r->out.sam) {
+       sam = talloc(mem_ctx, struct samr_SamArray);
+       if (!sam) {
                return NT_STATUS_NO_MEMORY;
        }
 
-       r->out.sam->entries = entries+first;
-       r->out.sam->count = r->out.num_entries;
+       sam->entries = entries+first;
+       sam->count = *r->out.num_entries;
+
+       *r->out.sam = sam;
 
        if (first == num_filtered_entries) {
                return NT_STATUS_OK;
        }
 
-       if (r->out.num_entries < num_filtered_entries - first) {
-               *r->out.resume_handle = entries[first+r->out.num_entries-1].idx;
+       if (*r->out.num_entries < num_filtered_entries - first) {
+               *r->out.resume_handle = entries[first+*r->out.num_entries-1].idx;
                return STATUS_MORE_ENTRIES;
        }
 
@@ -1651,7 +1620,7 @@ static NTSTATUS dcesrv_samr_CreateDomAlias(struct dcesrv_call_state *dce_call, T
                return NT_STATUS_INTERNAL_DB_CORRUPTION;
        }
 
-       a_state = talloc(d_state, struct samr_account_state);
+       a_state = talloc(mem_ctx, struct samr_account_state);
        if (!a_state) {
                return NT_STATUS_NO_MEMORY;
        }
@@ -1697,10 +1666,11 @@ static NTSTATUS dcesrv_samr_EnumDomainAliases(struct dcesrv_call_state *dce_call
        int ldb_cnt, count, i, first;
        struct samr_SamEntry *entries;
        const char * const attrs[3] = { "objectSid", "sAMAccountName", NULL };
+       struct samr_SamArray *sam;
 
        *r->out.resume_handle = 0;
-       r->out.sam = NULL;
-       r->out.num_entries = 0;
+       *r->out.sam = NULL;
+       *r->out.num_entries = 0;
 
        DCESRV_PULL_HANDLE(h, r->in.domain_handle, SAMR_HANDLE_DOMAIN);
 
@@ -1760,20 +1730,22 @@ static NTSTATUS dcesrv_samr_EnumDomainAliases(struct dcesrv_call_state *dce_call
                return NT_STATUS_OK;
        }
 
-       r->out.num_entries = count - first;
-       r->out.num_entries = MIN(r->out.num_entries, 1000);
+       *r->out.num_entries = count - first;
+       *r->out.num_entries = MIN(*r->out.num_entries, 1000);
 
-       r->out.sam = talloc(mem_ctx, struct samr_SamArray);
-       if (!r->out.sam) {
+       sam = talloc(mem_ctx, struct samr_SamArray);
+       if (!sam) {
                return NT_STATUS_NO_MEMORY;
        }
 
-       r->out.sam->entries = entries+first;
-       r->out.sam->count = r->out.num_entries;
+       sam->entries = entries+first;
+       sam->count = *r->out.num_entries;
 
-       if (r->out.num_entries < count - first) {
+       *r->out.sam = sam;
+
+       if (*r->out.num_entries < count - first) {
                *r->out.resume_handle =
-                       entries[first+r->out.num_entries-1].idx;
+                       entries[first+*r->out.num_entries-1].idx;
                return STATUS_MORE_ENTRIES;
        }
 
@@ -1813,7 +1785,8 @@ static NTSTATUS dcesrv_samr_GetAliasMembership(struct dcesrv_call_state *dce_cal
 
                        memberdn = 
                                samdb_search_string(d_state->sam_ctx,
-                                                   mem_ctx, NULL, "distinguishedName",
+                                                   mem_ctx, NULL,
+                                                   "distinguishedName",
                                                    "(objectSid=%s)",
                                                    ldap_encode_ndr_dom_sid(mem_ctx, 
                                                                            r->in.sids->sids[i].sid));
@@ -1871,8 +1844,8 @@ static NTSTATUS dcesrv_samr_LookupNames(struct dcesrv_call_state *dce_call, TALL
        const char * const attrs[] = { "sAMAccountType", "objectSid", NULL };
        int count;
 
-       ZERO_STRUCT(r->out.rids);
-       ZERO_STRUCT(r->out.types);
+       ZERO_STRUCTP(r->out.rids);
+       ZERO_STRUCTP(r->out.types);
 
        DCESRV_PULL_HANDLE(h, r->in.domain_handle, SAMR_HANDLE_DOMAIN);
 
@@ -1882,13 +1855,13 @@ static NTSTATUS dcesrv_samr_LookupNames(struct dcesrv_call_state *dce_call, TALL
                return NT_STATUS_OK;
        }
 
-       r->out.rids.ids = talloc_array(mem_ctx, uint32_t, r->in.num_names);
-       r->out.types.ids = talloc_array(mem_ctx, uint32_t, r->in.num_names);
-       if (!r->out.rids.ids || !r->out.types.ids) {
+       r->out.rids->ids = talloc_array(mem_ctx, uint32_t, r->in.num_names);
+       r->out.types->ids = talloc_array(mem_ctx, uint32_t, r->in.num_names);
+       if (!r->out.rids->ids || !r->out.types->ids) {
                return NT_STATUS_NO_MEMORY;
        }
-       r->out.rids.count = r->in.num_names;
-       r->out.types.count = r->in.num_names;
+       r->out.rids->count = r->in.num_names;
+       r->out.types->count = r->in.num_names;
 
        num_mapped = 0;
 
@@ -1897,8 +1870,8 @@ static NTSTATUS dcesrv_samr_LookupNames(struct dcesrv_call_state *dce_call, TALL
                struct dom_sid *sid;
                uint32_t atype, rtype;
 
-               r->out.rids.ids[i] = 0;
-               r->out.types.ids[i] = SID_NAME_UNKNOWN;
+               r->out.rids->ids[i] = 0;
+               r->out.types->ids[i] = SID_NAME_UNKNOWN;
 
                count = gendb_search(d_state->sam_ctx, mem_ctx, d_state->domain_dn, &res, attrs, 
                                     "sAMAccountName=%s", 
@@ -1920,15 +1893,15 @@ static NTSTATUS dcesrv_samr_LookupNames(struct dcesrv_call_state *dce_call, TALL
                        continue;
                }
 
-               rtype = samdb_atype_map(atype);
+               rtype = ds_atype_map(atype);
                
                if (rtype == SID_NAME_UNKNOWN) {
                        status = STATUS_SOME_UNMAPPED;
                        continue;
                }
 
-               r->out.rids.ids[i] = sid->sub_auths[sid->num_auths-1];
-               r->out.types.ids[i] = rtype;
+               r->out.rids->ids[i] = sid->sub_auths[sid->num_auths-1];
+               r->out.types->ids[i] = rtype;
                num_mapped++;
        }
        
@@ -1980,7 +1953,8 @@ static NTSTATUS dcesrv_samr_LookupRids(struct dcesrv_call_state *dce_call, TALLO
 
                ids[i] = SID_NAME_UNKNOWN;
 
-               sid = dom_sid_add_rid(mem_ctx, d_state->domain_sid, r->in.rids[i]);
+               sid = dom_sid_add_rid(mem_ctx, d_state->domain_sid,
+                       r->in.rids[i]);
                if (sid == NULL) {
                        names[i].string = NULL;
                        status = STATUS_SOME_UNMAPPED;
@@ -2006,7 +1980,7 @@ static NTSTATUS dcesrv_samr_LookupRids(struct dcesrv_call_state *dce_call, TALLO
                        continue;
                }
 
-               ids[i] = samdb_atype_map(atype);
+               ids[i] = ds_atype_map(atype);
                
                if (ids[i] == SID_NAME_UNKNOWN) {
                        status = STATUS_SOME_UNMAPPED;
@@ -2075,7 +2049,7 @@ static NTSTATUS dcesrv_samr_OpenGroup(struct dcesrv_call_state *dce_call, TALLOC
                return NT_STATUS_INTERNAL_DB_CORRUPTION;
        }
 
-       a_state = talloc(d_state, struct samr_account_state);
+       a_state = talloc(mem_ctx, struct samr_account_state);
        if (!a_state) {
                return NT_STATUS_NO_MEMORY;
        }
@@ -2117,13 +2091,14 @@ static NTSTATUS dcesrv_samr_QueryGroupInfo(struct dcesrv_call_state *dce_call, T
        int ret;
        union samr_GroupInfo *info;
 
-       r->out.info = NULL;
+       *r->out.info = NULL;
 
        DCESRV_PULL_HANDLE(h, r->in.group_handle, SAMR_HANDLE_GROUP);
 
        a_state = h->data;
        
-       ret = ldb_search(a_state->sam_ctx, mem_ctx, &res, a_state->account_dn, LDB_SCOPE_SUBTREE, attrs, "objectClass=*");
+       ret = ldb_search(a_state->sam_ctx, mem_ctx, &res, a_state->account_dn,
+               LDB_SCOPE_SUBTREE, attrs, "objectClass=*");
        
        if (ret == LDB_ERR_NO_SUCH_OBJECT) {
                return NT_STATUS_NO_SUCH_GROUP;
@@ -2173,7 +2148,7 @@ static NTSTATUS dcesrv_samr_QueryGroupInfo(struct dcesrv_call_state *dce_call, T
                return NT_STATUS_INVALID_INFO_CLASS;
        }
 
-       r->out.info = info;
+       *r->out.info = info;
 
        return NT_STATUS_OK;
 }
@@ -2224,7 +2199,7 @@ static NTSTATUS dcesrv_samr_SetGroupInfo(struct dcesrv_call_state *dce_call, TAL
 
        /* modify the samdb record */
        ret = ldb_modify(g_state->sam_ctx, msg);
-       if (ret != 0) {
+       if (ret != LDB_SUCCESS) {
                /* we really need samdb.c to return NTSTATUS */
                return NT_STATUS_UNSUCCESSFUL;
        }
@@ -2255,8 +2230,9 @@ static NTSTATUS dcesrv_samr_AddGroupMember(struct dcesrv_call_state *dce_call, T
        d_state = a_state->domain_state;
 
        membersid = dom_sid_add_rid(mem_ctx, d_state->domain_sid, r->in.rid);
-       if (membersid == NULL)
+       if (membersid == NULL) {
                return NT_STATUS_NO_MEMORY;
+       }
 
        /* In native mode, AD can also nest domain groups. Not sure yet
         * whether this is also available via RPC. */
@@ -2265,7 +2241,7 @@ static NTSTATUS dcesrv_samr_AddGroupMember(struct dcesrv_call_state *dce_call, T
                                 "(&(objectSid=%s)(objectclass=user))",
                                 ldap_encode_ndr_dom_sid(mem_ctx, membersid));
 
-       if (ret != 0) {
+       if (ret != LDB_SUCCESS) {
                return NT_STATUS_INTERNAL_DB_CORRUPTION;
        }
 
@@ -2289,9 +2265,11 @@ static NTSTATUS dcesrv_samr_AddGroupMember(struct dcesrv_call_state *dce_call, T
 
        mod->dn = talloc_reference(mem_ctx, a_state->account_dn);
 
-       if (samdb_msg_add_addval(d_state->sam_ctx, mem_ctx, mod, "member",
-                                memberdn) != 0)
+       ret = samdb_msg_add_addval(d_state->sam_ctx, mem_ctx, mod, "member",
+                                                               memberdn);
+       if (ret != LDB_SUCCESS) {
                return NT_STATUS_UNSUCCESSFUL;
+       }
 
        ret = ldb_modify(a_state->sam_ctx, mod);
        switch (ret) {
@@ -2304,7 +2282,6 @@ static NTSTATUS dcesrv_samr_AddGroupMember(struct dcesrv_call_state *dce_call, T
        default:
                return NT_STATUS_UNSUCCESSFUL;
        }
-
 }
 
 
@@ -2325,10 +2302,11 @@ static NTSTATUS dcesrv_samr_DeleteDomainGroup(struct dcesrv_call_state *dce_call
        a_state = h->data;
 
        ret = ldb_delete(a_state->sam_ctx, a_state->account_dn);
-       if (ret != 0) {
+       if (ret != LDB_SUCCESS) {
                return NT_STATUS_UNSUCCESSFUL;
        }
 
+       talloc_free(h);
        ZERO_STRUCTP(r->out.group_handle);
 
        return NT_STATUS_OK;
@@ -2367,7 +2345,7 @@ static NTSTATUS dcesrv_samr_DeleteGroupMember(struct dcesrv_call_state *dce_call
                                 "(&(objectSid=%s)(objectclass=user))",
                                 ldap_encode_ndr_dom_sid(mem_ctx, membersid));
 
-       if (ret != 0) {
+       if (ret != LDB_SUCCESS) {
                return NT_STATUS_INTERNAL_DB_CORRUPTION;
        }
 
@@ -2391,8 +2369,9 @@ static NTSTATUS dcesrv_samr_DeleteGroupMember(struct dcesrv_call_state *dce_call
 
        mod->dn = talloc_reference(mem_ctx, a_state->account_dn);
 
-       if (samdb_msg_add_delval(d_state->sam_ctx, mem_ctx, mod, "member",
-                                memberdn) != 0) {
+       ret = samdb_msg_add_delval(d_state->sam_ctx, mem_ctx, mod, "member",
+                                                               memberdn);
+       if (ret != LDB_SUCCESS) {
                return NT_STATUS_NO_MEMORY;
        }
 
@@ -2407,7 +2386,6 @@ static NTSTATUS dcesrv_samr_DeleteGroupMember(struct dcesrv_call_state *dce_call
        default:
                return NT_STATUS_UNSUCCESSFUL;
        }
-
 }
 
 
@@ -2481,7 +2459,7 @@ static NTSTATUS dcesrv_samr_QueryGroupMember(struct dcesrv_call_state *dce_call,
                }
        }
 
-       r->out.rids = array;
+       *r->out.rids = array;
 
        return NT_STATUS_OK;
 }
@@ -2548,7 +2526,7 @@ static NTSTATUS dcesrv_samr_OpenAlias(struct dcesrv_call_state *dce_call, TALLOC
                return NT_STATUS_INTERNAL_DB_CORRUPTION;
        }
 
-       a_state = talloc(d_state, struct samr_account_state);
+       a_state = talloc(mem_ctx, struct samr_account_state);
        if (!a_state) {
                return NT_STATUS_NO_MEMORY;
        }
@@ -2590,7 +2568,7 @@ static NTSTATUS dcesrv_samr_QueryAliasInfo(struct dcesrv_call_state *dce_call, T
        int ret;
        union samr_AliasInfo *info;
 
-       r->out.info = NULL;
+       *r->out.info = NULL;
 
        DCESRV_PULL_HANDLE(h, r->in.alias_handle, SAMR_HANDLE_ALIAS);
 
@@ -2627,7 +2605,7 @@ static NTSTATUS dcesrv_samr_QueryAliasInfo(struct dcesrv_call_state *dce_call, T
                return NT_STATUS_INVALID_INFO_CLASS;
        }
 
-       r->out.info = info;
+       *r->out.info = info;
 
        return NT_STATUS_OK;
 }
@@ -2675,7 +2653,7 @@ static NTSTATUS dcesrv_samr_SetAliasInfo(struct dcesrv_call_state *dce_call, TAL
 
        /* modify the samdb record */
        ret = ldb_modify(a_state->sam_ctx, msg);
-       if (ret != 0) {
+       if (ret != LDB_SUCCESS) {
                /* we really need samdb.c to return NTSTATUS */
                return NT_STATUS_UNSUCCESSFUL;
        }
@@ -2701,10 +2679,11 @@ static NTSTATUS dcesrv_samr_DeleteDomAlias(struct dcesrv_call_state *dce_call, T
        a_state = h->data;
 
        ret = ldb_delete(a_state->sam_ctx, a_state->account_dn);
-       if (ret != 0) {
+       if (ret != LDB_SUCCESS) {
                return NT_STATUS_UNSUCCESSFUL;
        }
 
+       talloc_free(h);
        ZERO_STRUCTP(r->out.alias_handle);
 
        return NT_STATUS_OK;
@@ -2743,8 +2722,8 @@ static NTSTATUS dcesrv_samr_AddAliasMember(struct dcesrv_call_state *dce_call, T
                         ret, dom_sid_string(mem_ctx, r->in.sid)));
                return NT_STATUS_INTERNAL_DB_CORRUPTION;
        } else if (ret == 0) {
-               status = samdb_create_foreign_security_principal(d_state->sam_ctx, mem_ctx, 
-                                                                r->in.sid, &memberdn);
+               status = samdb_create_foreign_security_principal(
+                       d_state->sam_ctx, mem_ctx, r->in.sid, &memberdn);
                if (!NT_STATUS_IS_OK(status)) {
                        return status;
                }
@@ -2764,12 +2743,15 @@ static NTSTATUS dcesrv_samr_AddAliasMember(struct dcesrv_call_state *dce_call, T
 
        mod->dn = talloc_reference(mem_ctx, a_state->account_dn);
 
-       if (samdb_msg_add_addval(d_state->sam_ctx, mem_ctx, mod, "member",
-                                ldb_dn_alloc_linearized(mem_ctx, memberdn)) != 0)
+       ret = samdb_msg_add_addval(d_state->sam_ctx, mem_ctx, mod, "member",
+                                ldb_dn_alloc_linearized(mem_ctx, memberdn));
+       if (ret != LDB_SUCCESS) {
                return NT_STATUS_UNSUCCESSFUL;
+       }
 
-       if (ldb_modify(a_state->sam_ctx, mod) != 0)
+       if (ldb_modify(a_state->sam_ctx, mod) != LDB_SUCCESS) {
                return NT_STATUS_UNSUCCESSFUL;
+       }
 
        return NT_STATUS_OK;
 }
@@ -2786,6 +2768,7 @@ static NTSTATUS dcesrv_samr_DeleteAliasMember(struct dcesrv_call_state *dce_call
        struct samr_domain_state *d_state;
        struct ldb_message *mod;
        const char *memberdn;
+       int ret;
 
        DCESRV_PULL_HANDLE(h, r->in.alias_handle, SAMR_HANDLE_ALIAS);
 
@@ -2806,11 +2789,12 @@ static NTSTATUS dcesrv_samr_DeleteAliasMember(struct dcesrv_call_state *dce_call
 
        mod->dn = talloc_reference(mem_ctx, a_state->account_dn);
 
-       if (samdb_msg_add_delval(d_state->sam_ctx, mem_ctx, mod, "member",
-                                memberdn) != 0)
+       ret = samdb_msg_add_delval(d_state->sam_ctx, mem_ctx, mod, "member",
+                                                                memberdn);
+       if (ret != LDB_SUCCESS)
                return NT_STATUS_UNSUCCESSFUL;
 
-       if (ldb_modify(a_state->sam_ctx, mod) != 0)
+       if (ldb_modify(a_state->sam_ctx, mod) != LDB_SUCCESS)
                return NT_STATUS_UNSUCCESSFUL;
 
        return NT_STATUS_OK;
@@ -2979,13 +2963,14 @@ static NTSTATUS dcesrv_samr_DeleteUser(struct dcesrv_call_state *dce_call, TALLO
        a_state = h->data;
 
        ret = ldb_delete(a_state->sam_ctx, a_state->account_dn);
-       if (ret != 0) {
+       if (ret != LDB_SUCCESS) {
                DEBUG(1, ("Failed to delete user: %s: %s\n", 
                          ldb_dn_get_linearized(a_state->account_dn), 
                          ldb_errstring(a_state->sam_ctx)));
                return NT_STATUS_UNSUCCESSFUL;
        }
 
+       talloc_free(h);
        ZERO_STRUCTP(r->out.user_handle);
 
        return NT_STATUS_OK;
@@ -3007,7 +2992,7 @@ static NTSTATUS dcesrv_samr_QueryUserInfo(struct dcesrv_call_state *dce_call, TA
        const char * const *attrs = NULL;
        union samr_UserInfo *info;
 
-       r->out.info = NULL;
+       *r->out.info = NULL;
 
        DCESRV_PULL_HANDLE(h, r->in.user_handle, SAMR_HANDLE_USER);
 
@@ -3018,15 +3003,21 @@ static NTSTATUS dcesrv_samr_QueryUserInfo(struct dcesrv_call_state *dce_call, TA
        switch (r->in.level) {
        case 1:
        {
-               static const char * const attrs2[] = {"sAMAccountName", "displayName",
-                                                     "primaryroupID", "description",
-                                                     "comment", NULL};
+               static const char * const attrs2[] = {"sAMAccountName",
+                                                     "displayName",
+                                                     "primaryroupID",
+                                                     "description",
+                                                     "comment",
+                                                     NULL};
                attrs = attrs2;
                break;
        }
        case 2:
        {
-               static const char * const attrs2[] = {"comment", "countryCode", "codePage", NULL};
+               static const char * const attrs2[] = {"comment",
+                                                     "countryCode",
+                                                     "codePage",
+                                                     NULL};
                attrs = attrs2;
                break;
        }
@@ -3047,13 +3038,15 @@ static NTSTATUS dcesrv_samr_QueryUserInfo(struct dcesrv_call_state *dce_call, TA
                                                      "logonHours",
                                                      "badPwdCount",
                                                      "logonCount",
-                                                     "userAccountControl", NULL};
+                                                     "userAccountControl",
+                                                     NULL};
                attrs = attrs2;
                break;
        }
        case 4:
        {
-               static const char * const attrs2[] = {"logonHours", NULL};
+               static const char * const attrs2[] = {"logonHours",
+                                                     NULL};
                attrs = attrs2;
                break;
        }
@@ -3083,73 +3076,92 @@ static NTSTATUS dcesrv_samr_QueryUserInfo(struct dcesrv_call_state *dce_call, TA
        }
        case 6:
        {
-               static const char * const attrs2[] = {"sAMAccountName", "displayName", NULL};
+               static const char * const attrs2[] = {"sAMAccountName",
+                                                     "displayName",
+                                                     NULL};
                attrs = attrs2;
                break;
        }
        case 7:
        {
-               static const char * const attrs2[] = {"sAMAccountName", NULL};
+               static const char * const attrs2[] = {"sAMAccountName",
+                                                     NULL};
                attrs = attrs2;
                break;
        }
        case 8:
        {
-               static const char * const attrs2[] = {"displayName", NULL};
+               static const char * const attrs2[] = {"displayName",
+                                                     NULL};
                attrs = attrs2;
                break;
        }
        case 9:
        {
-               static const char * const attrs2[] = {"primaryGroupID", NULL};
+               static const char * const attrs2[] = {"primaryGroupID",
+                                                     NULL};
                attrs = attrs2;
                break;
        }
        case 10:
        {
-               static const char * const attrs2[] = {"homeDirectory", "homeDrive", NULL};
+               static const char * const attrs2[] = {"homeDirectory",
+                                                     "homeDrive",
+                                                     NULL};
                attrs = attrs2;
                break;
        }
        case 11:
        {
-               static const char * const attrs2[] = {"scriptPath", NULL};
+               static const char * const attrs2[] = {"scriptPath",
+                                                     NULL};
                attrs = attrs2;
                break;
        }
        case 12:
        {
-               static const char * const attrs2[] = {"profilePath", NULL};
+               static const char * const attrs2[] = {"profilePath",
+                                                     NULL};
                attrs = attrs2;
                break;
        }
        case 13:
        {
-               static const char * const attrs2[] = {"description", NULL};
+               static const char * const attrs2[] = {"description",
+                                                     NULL};
                attrs = attrs2;
                break;
        }
        case 14:
        {
-               static const char * const attrs2[] = {"userWorkstations", NULL};
+               static const char * const attrs2[] = {"userWorkstations",
+                                                     NULL};
                attrs = attrs2;
                break;
        }
        case 16:
        {
-               static const char * const attrs2[] = {"userAccountControl", "pwdLastSet", NULL};
+               static const char * const attrs2[] = {"userAccountControl",
+                                                     "pwdLastSet",
+                                                     NULL};
                attrs = attrs2;
                break;
        }
        case 17:
        {
-               static const char * const attrs2[] = {"accountExpires", NULL};
+               static const char * const attrs2[] = {"accountExpires",
+                                                     NULL};
                attrs = attrs2;
                break;
        }
+       case 18:
+       {
+               return NT_STATUS_NOT_SUPPORTED;
+       }
        case 20:
        {
-               static const char * const attrs2[] = {"userParameters", NULL};
+               static const char * const attrs2[] = {"userParameters",
+                                                     NULL};
                attrs = attrs2;
                break;
        }
@@ -3181,6 +3193,17 @@ static NTSTATUS dcesrv_samr_QueryUserInfo(struct dcesrv_call_state *dce_call, TA
                attrs = attrs2;
                break;
        }
+       case 23:
+       case 24:
+       case 25:
+       case 26:
+       {
+               return NT_STATUS_NOT_SUPPORTED;
+       }
+       default:
+       {
+               return NT_STATUS_INVALID_INFO_CLASS;
+       }
        }
 
        /* pull all the user attributes */
@@ -3343,7 +3366,7 @@ static NTSTATUS dcesrv_samr_QueryUserInfo(struct dcesrv_call_state *dce_call, TA
                return NT_STATUS_INVALID_INFO_CLASS;
        }
 
-       r->out.info = info;
+       *r->out.info = info;
 
        return NT_STATUS_OK;
 }
@@ -3389,6 +3412,7 @@ static NTSTATUS dcesrv_samr_SetUserInfo(struct dcesrv_call_state *dce_call, TALL
                break;
 
        case 6:
+               SET_STRING(msg, info6.account_name,     "samAccountName");
                SET_STRING(msg, info6.full_name,        "displayName");
                break;
 
@@ -3438,76 +3462,85 @@ static NTSTATUS dcesrv_samr_SetUserInfo(struct dcesrv_call_state *dce_call, TALL
                break;
 
        case 21:
-#define IFSET(bit) if (bit & r->in.info->info21.fields_present)        
+#define IFSET(bit) if (bit & r->in.info->info21.fields_present)
                IFSET(SAMR_FIELD_ACCT_EXPIRY)
-                       SET_UINT64(msg, info21.acct_expiry,    "accountExpires");       
+                       SET_UINT64(msg, info21.acct_expiry,    "accountExpires");
                IFSET(SAMR_FIELD_ACCOUNT_NAME)         
                        SET_STRING(msg, info21.account_name,   "samAccountName");
                IFSET(SAMR_FIELD_FULL_NAME) 
                        SET_STRING(msg, info21.full_name,      "displayName");
-               IFSET(SAMR_FIELD_DESCRIPTION)
-                       SET_STRING(msg, info21.description,    "description");
-               IFSET(SAMR_FIELD_COMMENT)
-                       SET_STRING(msg, info21.comment,        "comment");
-               IFSET(SAMR_FIELD_LOGON_SCRIPT)
-                       SET_STRING(msg, info21.logon_script,   "scriptPath");
-               IFSET(SAMR_FIELD_PROFILE_PATH)
-                       SET_STRING(msg, info21.profile_path,   "profilePath");
                IFSET(SAMR_FIELD_HOME_DIRECTORY)
                        SET_STRING(msg, info21.home_directory, "homeDirectory");
                IFSET(SAMR_FIELD_HOME_DRIVE)
                        SET_STRING(msg, info21.home_drive,     "homeDrive");
+               IFSET(SAMR_FIELD_LOGON_SCRIPT)
+                       SET_STRING(msg, info21.logon_script,   "scriptPath");
+               IFSET(SAMR_FIELD_PROFILE_PATH)
+                       SET_STRING(msg, info21.profile_path,   "profilePath");
+               IFSET(SAMR_FIELD_DESCRIPTION)
+                       SET_STRING(msg, info21.description,    "description");
                IFSET(SAMR_FIELD_WORKSTATIONS)
                        SET_STRING(msg, info21.workstations,   "userWorkstations");
-               IFSET(SAMR_FIELD_LOGON_HOURS)
-                       SET_LHOURS(msg, info21.logon_hours,    "logonHours");
-               IFSET(SAMR_FIELD_ACCT_FLAGS)
-                       SET_AFLAGS(msg, info21.acct_flags,     "userAccountControl");
+               IFSET(SAMR_FIELD_COMMENT)
+                       SET_STRING(msg, info21.comment,        "comment");
                IFSET(SAMR_FIELD_PARAMETERS)   
                        SET_PARAMETERS(msg, info21.parameters, "userParameters");
+               IFSET(SAMR_FIELD_PRIMARY_GID)
+                       SET_UINT(msg, info21.primary_gid,      "primaryGroupID");
+               IFSET(SAMR_FIELD_ACCT_FLAGS)
+                       SET_AFLAGS(msg, info21.acct_flags,     "userAccountControl");
+               IFSET(SAMR_FIELD_LOGON_HOURS)
+                       SET_LHOURS(msg, info21.logon_hours,    "logonHours");
                IFSET(SAMR_FIELD_COUNTRY_CODE)
                        SET_UINT  (msg, info21.country_code,   "countryCode");
                IFSET(SAMR_FIELD_CODE_PAGE)
-                       SET_UINT  (msg, info21.code_page,      "codePage");     
+                       SET_UINT  (msg, info21.code_page,      "codePage");
 #undef IFSET
                break;
 
        case 23:
 #define IFSET(bit) if (bit & r->in.info->info23.info.fields_present)
                IFSET(SAMR_FIELD_ACCT_EXPIRY)
-                       SET_UINT64(msg, info23.info.acct_expiry,  "accountExpires");    
+                       SET_UINT64(msg, info23.info.acct_expiry,    "accountExpires");
                IFSET(SAMR_FIELD_ACCOUNT_NAME)         
-                       SET_STRING(msg, info23.info.account_name, "samAccountName");
-               IFSET(SAMR_FIELD_FULL_NAME)         
-                       SET_STRING(msg, info23.info.full_name,    "displayName");
-               IFSET(SAMR_FIELD_DESCRIPTION)  
-                       SET_STRING(msg, info23.info.description,  "description");
-               IFSET(SAMR_FIELD_COMMENT)      
-                       SET_STRING(msg, info23.info.comment,      "comment");
-               IFSET(SAMR_FIELD_LOGON_SCRIPT) 
-                       SET_STRING(msg, info23.info.logon_script, "scriptPath");
-               IFSET(SAMR_FIELD_PROFILE_PATH)      
-                       SET_STRING(msg, info23.info.profile_path, "profilePath");
-               IFSET(SAMR_FIELD_WORKSTATIONS)  
-                       SET_STRING(msg, info23.info.workstations, "userWorkstations");
-               IFSET(SAMR_FIELD_LOGON_HOURS)  
-                       SET_LHOURS(msg, info23.info.logon_hours,  "logonHours");
-               IFSET(SAMR_FIELD_ACCT_FLAGS)     
-                       SET_AFLAGS(msg, info23.info.acct_flags,   "userAccountControl");
-               IFSET(SAMR_FIELD_PARAMETERS)     
+                       SET_STRING(msg, info23.info.account_name,   "samAccountName");
+               IFSET(SAMR_FIELD_FULL_NAME)
+                       SET_STRING(msg, info23.info.full_name,      "displayName");
+               IFSET(SAMR_FIELD_HOME_DIRECTORY)
+                       SET_STRING(msg, info23.info.home_directory, "homeDirectory");
+               IFSET(SAMR_FIELD_HOME_DRIVE)
+                       SET_STRING(msg, info23.info.home_drive,     "homeDrive");
+               IFSET(SAMR_FIELD_LOGON_SCRIPT)
+                       SET_STRING(msg, info23.info.logon_script,   "scriptPath");
+               IFSET(SAMR_FIELD_PROFILE_PATH)
+                       SET_STRING(msg, info23.info.profile_path,   "profilePath");
+               IFSET(SAMR_FIELD_DESCRIPTION)
+                       SET_STRING(msg, info23.info.description,    "description");
+               IFSET(SAMR_FIELD_WORKSTATIONS)
+                       SET_STRING(msg, info23.info.workstations,   "userWorkstations");
+               IFSET(SAMR_FIELD_COMMENT)
+                       SET_STRING(msg, info23.info.comment,        "comment");
+               IFSET(SAMR_FIELD_PARAMETERS)
                        SET_PARAMETERS(msg, info23.info.parameters, "userParameters");
-               IFSET(SAMR_FIELD_COUNTRY_CODE) 
-                       SET_UINT  (msg, info23.info.country_code, "countryCode");
-               IFSET(SAMR_FIELD_CODE_PAGE)    
-                       SET_UINT  (msg, info23.info.code_page,    "codePage");
-               IFSET(SAMR_FIELD_PASSWORD) {
+               IFSET(SAMR_FIELD_PRIMARY_GID)
+                       SET_UINT(msg, info23.info.primary_gid,      "primaryGroupID");
+               IFSET(SAMR_FIELD_ACCT_FLAGS)
+                       SET_AFLAGS(msg, info23.info.acct_flags,     "userAccountControl");
+               IFSET(SAMR_FIELD_LOGON_HOURS)
+                       SET_LHOURS(msg, info23.info.logon_hours,    "logonHours");
+               IFSET(SAMR_FIELD_COUNTRY_CODE)
+                       SET_UINT  (msg, info23.info.country_code,   "countryCode");
+               IFSET(SAMR_FIELD_CODE_PAGE)
+                       SET_UINT  (msg, info23.info.code_page,      "codePage");
+
+               IFSET(SAMR_FIELD_NT_PASSWORD_PRESENT) {
                        status = samr_set_password(dce_call,
                                                   a_state->sam_ctx,
                                                   a_state->account_dn,
                                                   a_state->domain_state->domain_dn,
                                                   mem_ctx, msg, 
                                                   &r->in.info->info23.password);
-               } else IFSET(SAMR_FIELD_PASSWORD2) {
+               } else IFSET(SAMR_FIELD_LM_PASSWORD_PRESENT) {
                        status = samr_set_password(dce_call,
                                                   a_state->sam_ctx,
                                                   a_state->account_dn,
@@ -3531,39 +3564,46 @@ static NTSTATUS dcesrv_samr_SetUserInfo(struct dcesrv_call_state *dce_call, TALL
        case 25:
 #define IFSET(bit) if (bit & r->in.info->info25.info.fields_present)
                IFSET(SAMR_FIELD_ACCT_EXPIRY)
-                       SET_UINT64(msg, info25.info.acct_expiry,  "accountExpires");    
+                       SET_UINT64(msg, info25.info.acct_expiry,    "accountExpires");
                IFSET(SAMR_FIELD_ACCOUNT_NAME)         
-                       SET_STRING(msg, info25.info.account_name, "samAccountName");
-               IFSET(SAMR_FIELD_FULL_NAME)         
-                       SET_STRING(msg, info25.info.full_name,    "displayName");
-               IFSET(SAMR_FIELD_DESCRIPTION)  
-                       SET_STRING(msg, info25.info.description,  "description");
-               IFSET(SAMR_FIELD_COMMENT)      
-                       SET_STRING(msg, info25.info.comment,      "comment");
-               IFSET(SAMR_FIELD_LOGON_SCRIPT) 
-                       SET_STRING(msg, info25.info.logon_script, "scriptPath");
-               IFSET(SAMR_FIELD_PROFILE_PATH)      
-                       SET_STRING(msg, info25.info.profile_path, "profilePath");
-               IFSET(SAMR_FIELD_WORKSTATIONS)  
-                       SET_STRING(msg, info25.info.workstations, "userWorkstations");
-               IFSET(SAMR_FIELD_LOGON_HOURS)  
-                       SET_LHOURS(msg, info25.info.logon_hours,  "logonHours");
-               IFSET(SAMR_FIELD_ACCT_FLAGS)     
-                       SET_AFLAGS(msg, info25.info.acct_flags,   "userAccountControl");
-               IFSET(SAMR_FIELD_PARAMETERS)     
+                       SET_STRING(msg, info25.info.account_name,   "samAccountName");
+               IFSET(SAMR_FIELD_FULL_NAME)
+                       SET_STRING(msg, info25.info.full_name,      "displayName");
+               IFSET(SAMR_FIELD_HOME_DIRECTORY)
+                       SET_STRING(msg, info25.info.home_directory, "homeDirectory");
+               IFSET(SAMR_FIELD_HOME_DRIVE)
+                       SET_STRING(msg, info25.info.home_drive,     "homeDrive");
+               IFSET(SAMR_FIELD_LOGON_SCRIPT)
+                       SET_STRING(msg, info25.info.logon_script,   "scriptPath");
+               IFSET(SAMR_FIELD_PROFILE_PATH)
+                       SET_STRING(msg, info25.info.profile_path,   "profilePath");
+               IFSET(SAMR_FIELD_DESCRIPTION)
+                       SET_STRING(msg, info25.info.description,    "description");
+               IFSET(SAMR_FIELD_WORKSTATIONS)
+                       SET_STRING(msg, info25.info.workstations,   "userWorkstations");
+               IFSET(SAMR_FIELD_COMMENT)
+                       SET_STRING(msg, info25.info.comment,        "comment");
+               IFSET(SAMR_FIELD_PARAMETERS)
                        SET_PARAMETERS(msg, info25.info.parameters, "userParameters");
-               IFSET(SAMR_FIELD_COUNTRY_CODE) 
-                       SET_UINT  (msg, info25.info.country_code, "countryCode");
-               IFSET(SAMR_FIELD_CODE_PAGE)    
-                       SET_UINT  (msg, info25.info.code_page,    "codePage");
-               IFSET(SAMR_FIELD_PASSWORD) {
+               IFSET(SAMR_FIELD_PRIMARY_GID)
+                       SET_UINT(msg, info25.info.primary_gid,      "primaryGroupID");
+               IFSET(SAMR_FIELD_ACCT_FLAGS)
+                       SET_AFLAGS(msg, info25.info.acct_flags,     "userAccountControl");
+               IFSET(SAMR_FIELD_LOGON_HOURS)
+                       SET_LHOURS(msg, info25.info.logon_hours,    "logonHours");
+               IFSET(SAMR_FIELD_COUNTRY_CODE)
+                       SET_UINT  (msg, info25.info.country_code,   "countryCode");
+               IFSET(SAMR_FIELD_CODE_PAGE)
+                       SET_UINT  (msg, info25.info.code_page,      "codePage");
+
+               IFSET(SAMR_FIELD_NT_PASSWORD_PRESENT) {
                        status = samr_set_password_ex(dce_call,
                                                      a_state->sam_ctx,
                                                      a_state->account_dn,
                                                      a_state->domain_state->domain_dn,
                                                      mem_ctx, msg, 
                                                      &r->in.info->info25.password);
-               } else IFSET(SAMR_FIELD_PASSWORD2) {
+               } else IFSET(SAMR_FIELD_LM_PASSWORD_PRESENT) {
                        status = samr_set_password_ex(dce_call,
                                                      a_state->sam_ctx,
                                                      a_state->account_dn,
@@ -3595,14 +3635,16 @@ static NTSTATUS dcesrv_samr_SetUserInfo(struct dcesrv_call_state *dce_call, TALL
        }
 
        /* modify the samdb record */
-       ret = ldb_modify(a_state->sam_ctx, msg);
-       if (ret != 0) {
-               DEBUG(1,("Failed to modify record %s: %s\n",
-                        ldb_dn_get_linearized(a_state->account_dn),
-                        ldb_errstring(a_state->sam_ctx)));
+       if (msg->num_elements > 0) {
+               ret = ldb_modify(a_state->sam_ctx, msg);
+               if (ret != LDB_SUCCESS) {
+                       DEBUG(1,("Failed to modify record %s: %s\n",
+                                ldb_dn_get_linearized(a_state->account_dn),
+                                ldb_errstring(a_state->sam_ctx)));
 
-               /* we really need samdb.c to return NTSTATUS */
-               return NT_STATUS_UNSUCCESSFUL;
+                       /* we really need samdb.c to return NTSTATUS */
+                       return NT_STATUS_UNSUCCESSFUL;
+               }
        }
 
        return NT_STATUS_OK;
@@ -3621,14 +3663,15 @@ static NTSTATUS dcesrv_samr_GetGroupsForUser(struct dcesrv_call_state *dce_call,
        struct ldb_message **res;
        const char * const attrs[2] = { "objectSid", NULL };
        struct samr_RidWithAttributeArray *array;
-       int count;
+       int i, count;
 
        DCESRV_PULL_HANDLE(h, r->in.user_handle, SAMR_HANDLE_USER);
 
        a_state = h->data;
        d_state = a_state->domain_state;
 
-       count = samdb_search_domain(a_state->sam_ctx, mem_ctx, d_state->domain_dn, &res,
+       count = samdb_search_domain(a_state->sam_ctx, mem_ctx,
+                                   d_state->domain_dn, &res,
                                    attrs, d_state->domain_sid,
                                    "(&(member=%s)(grouptype=%d)(objectclass=group))",
                                    ldb_dn_get_linearized(a_state->account_dn),
@@ -3643,32 +3686,37 @@ static NTSTATUS dcesrv_samr_GetGroupsForUser(struct dcesrv_call_state *dce_call,
        array->count = 0;
        array->rids = NULL;
 
-       if (count > 0) {
-               int i;
-               array->rids = talloc_array(mem_ctx, struct samr_RidWithAttribute,
-                                           count);
-
-               if (array->rids == NULL)
-                       return NT_STATUS_NO_MEMORY;
+       array->rids = talloc_array(mem_ctx, struct samr_RidWithAttribute,
+                                           count + 1);
+       if (array->rids == NULL)
+               return NT_STATUS_NO_MEMORY;
 
-               for (i=0; i<count; i++) {
-                       struct dom_sid *group_sid;
+       /* Adds the primary group */
+       array->rids[0].rid = samdb_search_uint(a_state->sam_ctx, mem_ctx,
+                                              ~0, a_state->account_dn,
+                                              "primaryGroupID", NULL);
+       array->rids[0].attributes = SE_GROUP_MANDATORY
+                       | SE_GROUP_ENABLED_BY_DEFAULT | SE_GROUP_ENABLED;
+       array->count += 1;
 
-                       group_sid = samdb_result_dom_sid(mem_ctx, res[i],
-                                                        "objectSid");
-                       if (group_sid == NULL) {
-                               DEBUG(0, ("Couldn't find objectSid attrib\n"));
-                               continue;
-                       }
+       /* Adds the additional groups */
+       for (i = 0; i < count; i++) {
+               struct dom_sid *group_sid;
 
-                       array->rids[array->count].rid =
-                               group_sid->sub_auths[group_sid->num_auths-1];
-                       array->rids[array->count].attributes = SE_GROUP_MANDATORY | SE_GROUP_ENABLED_BY_DEFAULT | SE_GROUP_ENABLED;
-                       array->count += 1;
+               group_sid = samdb_result_dom_sid(mem_ctx, res[i], "objectSid");
+               if (group_sid == NULL) {
+                       DEBUG(0, ("Couldn't find objectSid attrib\n"));
+                       continue;
                }
+
+               array->rids[i + 1].rid =
+                       group_sid->sub_auths[group_sid->num_auths-1];
+               array->rids[i + 1].attributes = SE_GROUP_MANDATORY
+                       | SE_GROUP_ENABLED_BY_DEFAULT | SE_GROUP_ENABLED;
+               array->count += 1;
        }
 
-       r->out.rids = array;
+       *r->out.rids = array;
 
        return NT_STATUS_OK;
 }
@@ -3684,12 +3732,13 @@ static NTSTATUS dcesrv_samr_QueryDisplayInfo(struct dcesrv_call_state *dce_call,
        struct samr_domain_state *d_state;
        struct ldb_message **res;
        int ldb_cnt, count, i;
-       const char * const attrs[] = { "objectSid", "sAMAccountName", "displayName",
-                                      "description", "userAccountControl", "pwdLastSet", NULL };
+       const char * const attrs[] = { "objectSid", "sAMAccountName",
+               "displayName", "description", "userAccountControl",
+               "pwdLastSet", NULL };
        struct samr_DispEntryFull *entriesFull = NULL;
        struct samr_DispEntryFullGroup *entriesFullGroup = NULL;
        struct samr_DispEntryAscii *entriesAscii = NULL;
-       struct samr_DispEntryGeneral * entriesGeneral = NULL;
+       struct samr_DispEntryGeneral *entriesGeneral = NULL;
        const char *filter;
 
        DCESRV_PULL_HANDLE(h, r->in.domain_handle, SAMR_HANDLE_DOMAIN);
@@ -3733,8 +3782,8 @@ static NTSTATUS dcesrv_samr_QueryDisplayInfo(struct dcesrv_call_state *dce_call,
        switch (r->in.level) {
        case 1:
                entriesGeneral = talloc_array(mem_ctx,
-                                               struct samr_DispEntryGeneral,
-                                               ldb_cnt);
+                                            struct samr_DispEntryGeneral,
+                                            ldb_cnt);
                break;
        case 2:
                entriesFull = talloc_array(mem_ctx,
@@ -3826,65 +3875,65 @@ static NTSTATUS dcesrv_samr_QueryDisplayInfo(struct dcesrv_call_state *dce_call,
                count += 1;
        }
 
-       r->out.total_size = count;
+       *r->out.total_size = count;
 
        if (r->in.start_idx >= count) {
-               r->out.returned_size = 0;
+               *r->out.returned_size = 0;
                switch(r->in.level) {
                case 1:
-                       r->out.info.info1.count = r->out.returned_size;
-                       r->out.info.info1.entries = NULL;
+                       r->out.info->info1.count = *r->out.returned_size;
+                       r->out.info->info1.entries = NULL;
                        break;
                case 2:
-                       r->out.info.info2.count = r->out.returned_size;
-                       r->out.info.info2.entries = NULL;
+                       r->out.info->info2.count = *r->out.returned_size;
+                       r->out.info->info2.entries = NULL;
                        break;
                case 3:
-                       r->out.info.info3.count = r->out.returned_size;
-                       r->out.info.info3.entries = NULL;
+                       r->out.info->info3.count = *r->out.returned_size;
+                       r->out.info->info3.entries = NULL;
                        break;
                case 4:
-                       r->out.info.info4.count = r->out.returned_size;
-                       r->out.info.info4.entries = NULL;
+                       r->out.info->info4.count = *r->out.returned_size;
+                       r->out.info->info4.entries = NULL;
                        break;
                case 5:
-                       r->out.info.info5.count = r->out.returned_size;
-                       r->out.info.info5.entries = NULL;
+                       r->out.info->info5.count = *r->out.returned_size;
+                       r->out.info->info5.entries = NULL;
                        break;
                }
        } else {
-               r->out.returned_size = MIN(count - r->in.start_idx,
+               *r->out.returned_size = MIN(count - r->in.start_idx,
                                           r->in.max_entries);
                switch(r->in.level) {
                case 1:
-                       r->out.info.info1.count = r->out.returned_size;
-                       r->out.info.info1.entries =
+                       r->out.info->info1.count = *r->out.returned_size;
+                       r->out.info->info1.entries =
                                &(entriesGeneral[r->in.start_idx]);
                        break;
                case 2:
-                       r->out.info.info2.count = r->out.returned_size;
-                       r->out.info.info2.entries =
+                       r->out.info->info2.count = *r->out.returned_size;
+                       r->out.info->info2.entries =
                                &(entriesFull[r->in.start_idx]);
                        break;
                case 3:
-                       r->out.info.info3.count = r->out.returned_size;
-                       r->out.info.info3.entries =
+                       r->out.info->info3.count = *r->out.returned_size;
+                       r->out.info->info3.entries =
                                &(entriesFullGroup[r->in.start_idx]);
                        break;
                case 4:
-                       r->out.info.info4.count = r->out.returned_size;
-                       r->out.info.info4.entries =
+                       r->out.info->info4.count = *r->out.returned_size;
+                       r->out.info->info4.entries =
                                &(entriesAscii[r->in.start_idx]);
                        break;
                case 5:
-                       r->out.info.info5.count = r->out.returned_size;
-                       r->out.info.info5.entries =
+                       r->out.info->info5.count = *r->out.returned_size;
+                       r->out.info->info5.entries =
                                &(entriesAscii[r->in.start_idx]);
                        break;
                }
        }
 
-       return (r->out.returned_size < (count - r->in.start_idx)) ?
+       return (*r->out.returned_size < (count - r->in.start_idx)) ?
                STATUS_MORE_ENTRIES : NT_STATUS_OK;
 }
 
@@ -3928,18 +3977,18 @@ static NTSTATUS dcesrv_samr_GetUserPwInfo(struct dcesrv_call_state *dce_call, TA
        struct dcesrv_handle *h;
        struct samr_account_state *a_state;
 
-       ZERO_STRUCT(r->out.info);
+       ZERO_STRUCTP(r->out.info);
 
        DCESRV_PULL_HANDLE(h, r->in.user_handle, SAMR_HANDLE_USER);
 
        a_state = h->data;
 
-       r->out.info.min_password_length = samdb_search_uint(a_state->sam_ctx, mem_ctx, 0,
-                                                           a_state->domain_state->domain_dn, "minPwdLength", 
-                                                           NULL);
-       r->out.info.password_properties = samdb_search_uint(a_state->sam_ctx, mem_ctx, 0,
-                                                           a_state->account_dn, 
-                                                           "pwdProperties", NULL);
+       r->out.info->min_password_length = samdb_search_uint(a_state->sam_ctx,
+               mem_ctx, 0, a_state->domain_state->domain_dn, "minPwdLength",
+               NULL);
+       r->out.info->password_properties = samdb_search_uint(a_state->sam_ctx,
+               mem_ctx, 0, a_state->account_dn, "pwdProperties", NULL);
+
        return NT_STATUS_OK;
 }
 
@@ -3999,10 +4048,10 @@ static NTSTATUS dcesrv_samr_RemoveMemberFromForeignDomain(struct dcesrv_call_sta
                }
 
                if (samdb_msg_add_delval(d_state->sam_ctx, mem_ctx, mod,
-                                        "member", memberdn) != 0)
+                                        "member", memberdn) != LDB_SUCCESS)
                        return NT_STATUS_NO_MEMORY;
 
-               if (ldb_modify(d_state->sam_ctx, mod) != 0)
+               if (ldb_modify(d_state->sam_ctx, mod) != LDB_SUCCESS)
                        return NT_STATUS_UNSUCCESSFUL;
 
                talloc_free(mod);
@@ -4026,11 +4075,10 @@ static NTSTATUS dcesrv_samr_QueryDomainInfo2(struct dcesrv_call_state *dce_call,
        ZERO_STRUCT(r1.out);
        r1.in.domain_handle = r->in.domain_handle;
        r1.in.level  = r->in.level;
-       
+       r1.out.info  = r->out.info;
+
        status = dcesrv_samr_QueryDomainInfo(dce_call, mem_ctx, &r1);
        
-       r->out.info = r1.out.info;
-
        return status;
 }
 
@@ -4046,13 +4094,11 @@ static NTSTATUS dcesrv_samr_QueryUserInfo2(struct dcesrv_call_state *dce_call, T
        struct samr_QueryUserInfo r1;
        NTSTATUS status;
 
-       ZERO_STRUCT(r1.out);
        r1.in.user_handle = r->in.user_handle;
        r1.in.level  = r->in.level;
+       r1.out.info  = r->out.info;
        
        status = dcesrv_samr_QueryUserInfo(dce_call, mem_ctx, &r1);
-       
-       r->out.info = r1.out.info;
 
        return status;
 }
@@ -4072,14 +4118,12 @@ static NTSTATUS dcesrv_samr_QueryDisplayInfo2(struct dcesrv_call_state *dce_call
        q.in.start_idx = r->in.start_idx;
        q.in.max_entries = r->in.max_entries;
        q.in.buf_size = r->in.buf_size;
-       ZERO_STRUCT(q.out);
+       q.out.total_size = r->out.total_size;
+       q.out.returned_size = r->out.returned_size;
+       q.out.info = r->out.info;
 
        result = dcesrv_samr_QueryDisplayInfo(dce_call, mem_ctx, &q);
 
-       r->out.total_size = q.out.total_size;
-       r->out.returned_size = q.out.returned_size;
-       r->out.info = q.out.info;
-
        return result;
 }
 
@@ -4108,14 +4152,12 @@ static NTSTATUS dcesrv_samr_QueryDisplayInfo3(struct dcesrv_call_state *dce_call
        q.in.start_idx = r->in.start_idx;
        q.in.max_entries = r->in.max_entries;
        q.in.buf_size = r->in.buf_size;
-       ZERO_STRUCT(q.out);
+       q.out.total_size = r->out.total_size;
+       q.out.returned_size = r->out.returned_size;
+       q.out.info = r->out.info;
 
        result = dcesrv_samr_QueryDisplayInfo(dce_call, mem_ctx, &q);
 
-       r->out.total_size = q.out.total_size;
-       r->out.returned_size = q.out.returned_size;
-       r->out.info = q.out.info;
-
        return result;
 }
 
@@ -4156,9 +4198,11 @@ static NTSTATUS dcesrv_samr_GetDomPwInfo(struct dcesrv_call_state *dce_call, TAL
        const char * const attrs[] = {"minPwdLength", "pwdProperties", NULL };
        struct ldb_context *sam_ctx;
 
-       ZERO_STRUCT(r->out.info);
+       ZERO_STRUCTP(r->out.info);
 
-       sam_ctx = samdb_connect(mem_ctx, dce_call->event_ctx, dce_call->conn->dce_ctx->lp_ctx, dce_call->conn->auth_state.session_info); 
+       sam_ctx = samdb_connect(mem_ctx, dce_call->event_ctx,
+                                        dce_call->conn->dce_ctx->lp_ctx,
+                                        dce_call->conn->auth_state.session_info);
        if (sam_ctx == NULL) {
                return NT_STATUS_INVALID_SYSTEM_SERVICE;
        }
@@ -4167,19 +4211,25 @@ static NTSTATUS dcesrv_samr_GetDomPwInfo(struct dcesrv_call_state *dce_call, TAL
        ret = gendb_search_dn(sam_ctx, 
                           mem_ctx, NULL, &msgs, attrs);
        if (ret <= 0) {
+               talloc_free(sam_ctx);
+
                return NT_STATUS_NO_SUCH_DOMAIN;
        }
        if (ret > 1) {
                talloc_free(msgs);
+               talloc_free(sam_ctx);
+
                return NT_STATUS_INTERNAL_DB_CORRUPTION;
        }
 
-       r->out.info.min_password_length = samdb_result_uint(msgs[0], "minPwdLength", 0);
-       r->out.info.password_properties = samdb_result_uint(msgs[0], "pwdProperties", 1);
+       r->out.info->min_password_length = samdb_result_uint(msgs[0],
+               "minPwdLength", 0);
+       r->out.info->password_properties = samdb_result_uint(msgs[0],
+               "pwdProperties", 1);
 
        talloc_free(msgs);
+       talloc_unlink(mem_ctx, sam_ctx);
 
-       talloc_free(sam_ctx);
        return NT_STATUS_OK;
 }
 
@@ -4285,9 +4335,9 @@ static NTSTATUS dcesrv_samr_Connect5(struct dcesrv_call_state *dce_call, TALLOC_
 
        status = dcesrv_samr_Connect(dce_call, mem_ctx, &c);
 
-       r->out.info->info1.client_version = SAMR_CONNECT_AFTER_W2K;
-       r->out.info->info1.unknown2 = 0;
-       r->out.level = r->in.level;
+       r->out.info_out->info1.client_version = SAMR_CONNECT_AFTER_W2K;
+       r->out.info_out->info1.unknown2 = 0;
+       *r->out.level_out = r->in.level_in;
 
        return status;
 }
@@ -4307,8 +4357,8 @@ static NTSTATUS dcesrv_samr_RidToSid(struct dcesrv_call_state *dce_call, TALLOC_
        d_state = h->data;
 
        /* form the users SID */
-       r->out.sid = dom_sid_add_rid(mem_ctx, d_state->domain_sid, r->in.rid);
-       if (!r->out.sid) {
+       *r->out.sid = dom_sid_add_rid(mem_ctx, d_state->domain_sid, r->in.rid);
+       if (!*r->out.sid) {
                return NT_STATUS_NO_MEMORY;
        }
 
@@ -4327,12 +4377,57 @@ static NTSTATUS dcesrv_samr_SetDsrmPassword(struct dcesrv_call_state *dce_call,
 
 
 /* 
-  samr_ValidatePassword 
+  samr_ValidatePassword
+
+  For now the call checks the password complexity (if active) and the minimum
+  password length on level 2 and 3. Level 1 is ignored for now.
 */
-static NTSTATUS dcesrv_samr_ValidatePassword(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
-                                     struct samr_ValidatePassword *r)
+static NTSTATUS dcesrv_samr_ValidatePassword(struct dcesrv_call_state *dce_call,
+                                            TALLOC_CTX *mem_ctx,
+                                            struct samr_ValidatePassword *r)
 {
-       DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
+       struct samr_GetDomPwInfo r2;
+       struct samr_PwInfo pwInfo;
+       DATA_BLOB password;
+       enum samr_ValidationStatus res;
+       NTSTATUS status;
+
+       (*r->out.rep) = talloc_zero(mem_ctx, union samr_ValidatePasswordRep);
+
+       r2.in.domain_name = NULL;
+       r2.out.info = &pwInfo;
+       status = dcesrv_samr_GetDomPwInfo(dce_call, mem_ctx, &r2);
+       if (!NT_STATUS_IS_OK(status)) {
+               return status;
+       }
+
+       switch (r->in.level) {
+       case NetValidateAuthentication:
+               /* we don't support this yet */
+               return NT_STATUS_NOT_SUPPORTED;
+       break;
+       case NetValidatePasswordChange:
+               password = data_blob_const(r->in.req->req2.password.string,
+                                          r->in.req->req2.password.length);
+               res = samdb_check_password(&password,
+                                          pwInfo.password_properties,
+                                          pwInfo.min_password_length);
+               (*r->out.rep)->ctr2.status = res;
+       break;
+       case NetValidatePasswordReset:
+               password = data_blob_const(r->in.req->req3.password.string,
+                                          r->in.req->req3.password.length);
+               res = samdb_check_password(&password,
+                                          pwInfo.password_properties,
+                                          pwInfo.min_password_length);
+               (*r->out.rep)->ctr3.status = res;
+       break;
+       default:
+               return NT_STATUS_INVALID_INFO_CLASS;
+       break;
+       }
+
+       return NT_STATUS_OK;
 }