winbindd: Remove double retry from some ADS methods
[obnox/samba/samba-obnox.git] / source3 / winbindd / winbindd_ads.c
index 949e206d0425e7da04d75c4827135d49b4a93647..a9a23db423ba6dc906d769b26cea25d5d9d9675c 100644 (file)
 
 #include "includes.h"
 #include "winbindd.h"
-#include "../librpc/gen_ndr/cli_netlogon.h"
+#include "rpc_client/rpc_client.h"
+#include "../librpc/gen_ndr/ndr_netlogon_c.h"
 #include "../libds/common/flags.h"
 #include "ads.h"
+#include "../libcli/ldap/ldap_ndr.h"
+#include "../libcli/security/security.h"
+#include "../libds/common/flag_mapping.h"
+#include "passdb.h"
 
 #ifdef HAVE_ADS
 
 #define DBGC_CLASS DBGC_WINBIND
 
 extern struct winbindd_methods reconnect_methods;
+extern struct winbindd_methods msrpc_methods;
 
-/*
-  return our ads connections structure for a domain. We keep the connection
-  open to make things faster
-*/
-static ADS_STRUCT *ads_cached_connection(struct winbindd_domain *domain)
-{
-       ADS_STRUCT *ads;
-       ADS_STATUS status;
-       fstring dc_name;
-       struct sockaddr_storage dc_ss;
+#define WINBIND_CCACHE_NAME "MEMORY:winbind_ccache"
 
-       DEBUG(10,("ads_cached_connection\n"));
+/**
+ * Check if cached connection can be reused. If the connection cannot
+ * be reused the ADS_STRUCT is freed and the pointer is set to NULL.
+ */
+static void ads_cached_connection_reuse(ADS_STRUCT **adsp)
+{
 
-       if (domain->private_data) {
+       ADS_STRUCT *ads = *adsp;
 
+       if (ads != NULL) {
                time_t expire;
                time_t now = time(NULL);
 
-               /* check for a valid structure */
-               ads = (ADS_STRUCT *)domain->private_data;
-
                expire = MIN(ads->auth.tgt_expire, ads->auth.tgs_expire);
 
-               DEBUG(7, ("Current tickets expire in %d seconds (at %d, time is now %d)\n",
-                         (uint32)expire-(uint32)now, (uint32) expire, (uint32) now));
+               DEBUG(7, ("Current tickets expire in %d seconds (at %d, time "
+                         "is now %d)\n", (uint32_t)expire - (uint32_t)now,
+                         (uint32_t) expire, (uint32_t) now));
 
                if ( ads->config.realm && (expire > now)) {
-                       return ads;
+                       return;
                } else {
                        /* we own this ADS_STRUCT so make sure it goes away */
                        DEBUG(7,("Deleting expired krb5 credential cache\n"));
                        ads->is_mine = True;
                        ads_destroy( &ads );
-                       ads_kdestroy("MEMORY:winbind_ccache");
-                       domain->private_data = NULL;
+                       ads_kdestroy(WINBIND_CCACHE_NAME);
+                       *adsp = NULL;
                }
        }
+}
+
+/**
+ * @brief Establish a connection to a DC
+ *
+ * @param[out]   adsp             ADS_STRUCT that will be created
+ * @param[in]    target_realm     Realm of domain to connect to
+ * @param[in]    target_dom_name  'workgroup' name of domain to connect to
+ * @param[in]    ldap_server      DNS name of server to connect to
+ * @param[in]    password         Our machine acount secret
+ * @param[in]    auth_realm       Realm of local domain for creating krb token
+ * @param[in]    renewable        Renewable ticket time
+ *
+ * @return ADS_STATUS
+ */
+static ADS_STATUS ads_cached_connection_connect(ADS_STRUCT **adsp,
+                                               const char *target_realm,
+                                               const char *target_dom_name,
+                                               const char *ldap_server,
+                                               char *password,
+                                               char *auth_realm,
+                                               time_t renewable)
+{
+       ADS_STRUCT *ads;
+       ADS_STATUS status;
+       struct sockaddr_storage dc_ss;
+       fstring dc_name;
+
+       if (auth_realm == NULL) {
+               return ADS_ERROR_NT(NT_STATUS_UNSUCCESSFUL);
+       }
 
        /* we don't want this to affect the users ccache */
-       setenv("KRB5CCNAME", "MEMORY:winbind_ccache", 1);
+       setenv("KRB5CCNAME", WINBIND_CCACHE_NAME, 1);
 
-       ads = ads_init(domain->alt_name, domain->name, NULL);
+       ads = ads_init(target_realm, target_dom_name, ldap_server);
        if (!ads) {
-               DEBUG(1,("ads_init for domain %s failed\n", domain->name));
-               return NULL;
+               DEBUG(1,("ads_init for domain %s failed\n", target_dom_name));
+               return ADS_ERROR(LDAP_NO_MEMORY);
        }
 
-       /* the machine acct password might have change - fetch it every time */
-
        SAFE_FREE(ads->auth.password);
        SAFE_FREE(ads->auth.realm);
 
-       if ( IS_DC ) {
+       ads->auth.renewable = renewable;
+       ads->auth.password = password;
 
-               if ( !pdb_get_trusteddom_pw( domain->name, &ads->auth.password, NULL, NULL ) ) {
-                       ads_destroy( &ads );
-                       return NULL;
+       ads->auth.realm = SMB_STRDUP(auth_realm);
+       if (!strupper_m(ads->auth.realm)) {
+               ads_destroy(&ads);
+               return ADS_ERROR_NT(NT_STATUS_INTERNAL_ERROR);
+       }
+
+       /* Setup the server affinity cache.  We don't reaally care
+          about the name.  Just setup affinity and the KRB5_CONFIG
+          file. */
+       get_dc_name(ads->server.workgroup, ads->server.realm, dc_name, &dc_ss);
+
+       status = ads_connect(ads);
+       if (!ADS_ERR_OK(status)) {
+               DEBUG(1,("ads_connect for domain %s failed: %s\n",
+                        target_dom_name, ads_errstr(status)));
+               ads_destroy(&ads);
+               return status;
+       }
+
+       /* set the flag that says we don't own the memory even
+          though we do so that ads_destroy() won't destroy the
+          structure we pass back by reference */
+
+       ads->is_mine = False;
+
+       *adsp = ads;
+
+       return status;
+}
+
+ADS_STATUS ads_idmap_cached_connection(ADS_STRUCT **adsp, const char *dom_name)
+{
+       char *ldap_server, *realm, *password;
+       struct winbindd_domain *wb_dom;
+       ADS_STATUS status;
+
+       ads_cached_connection_reuse(adsp);
+       if (*adsp != NULL) {
+               return ADS_SUCCESS;
+       }
+
+       /*
+        * At this point we only have the NetBIOS domain name.
+        * Check if we can get server nam and realm from SAF cache
+        * and the domain list.
+        */
+       ldap_server = saf_fetch(talloc_tos(), dom_name);
+       DEBUG(10, ("ldap_server from saf cache: '%s'\n",
+                  ldap_server ? ldap_server : ""));
+
+       wb_dom = find_domain_from_name(dom_name);
+       if (wb_dom == NULL) {
+               DEBUG(10, ("could not find domain '%s'\n", dom_name));
+               return ADS_ERROR_NT(NT_STATUS_UNSUCCESSFUL);
+       }
+
+       DEBUG(10, ("find_domain_from_name found realm '%s' for "
+                         " domain '%s'\n", wb_dom->alt_name, dom_name));
+
+       if (!get_trust_pw_clear(dom_name, &password, NULL, NULL)) {
+               TALLOC_FREE(ldap_server);
+               return ADS_ERROR_NT(NT_STATUS_CANT_ACCESS_DOMAIN_INFO);
+       }
+
+       if (IS_DC) {
+               SMB_ASSERT(wb_dom->alt_name != NULL);
+               realm = SMB_STRDUP(wb_dom->alt_name);
+       } else {
+               struct winbindd_domain *our_domain = wb_dom;
+
+               /* always give preference to the alt_name in our
+                  primary domain if possible */
+
+               if (!wb_dom->primary) {
+                       our_domain = find_our_domain();
+               }
+
+               if (our_domain->alt_name != NULL) {
+                       realm = SMB_STRDUP(our_domain->alt_name);
+               } else {
+                       realm = SMB_STRDUP(lp_realm());
                }
-               ads->auth.realm = SMB_STRDUP( ads->server.realm );
-               strupper_m( ads->auth.realm );
+       }
+
+       status = ads_cached_connection_connect(
+               adsp,                   /* Returns ads struct. */
+               wb_dom->alt_name,       /* realm to connect to. */
+               dom_name,               /* 'workgroup' name for ads_init */
+               ldap_server,            /* DNS name to connect to. */
+               password,               /* password for auth realm. */
+               realm,                  /* realm used for krb5 ticket. */
+               0);                     /* renewable ticket time. */
+
+       SAFE_FREE(realm);
+       TALLOC_FREE(ldap_server);
+
+       return status;
+}
+
+/*
+  return our ads connections structure for a domain. We keep the connection
+  open to make things faster
+*/
+static ADS_STRUCT *ads_cached_connection(struct winbindd_domain *domain)
+{
+       ADS_STATUS status;
+       char *password, *realm;
+
+       DEBUG(10,("ads_cached_connection\n"));
+       ads_cached_connection_reuse((ADS_STRUCT **)&domain->private_data);
+
+       if (domain->private_data) {
+               return (ADS_STRUCT *)domain->private_data;
+       }
+
+       /* the machine acct password might have change - fetch it every time */
+
+       if (!get_trust_pw_clear(domain->name, &password, NULL, NULL)) {
+               return NULL;
+       }
+
+       if ( IS_DC ) {
+               SMB_ASSERT(domain->alt_name != NULL);
+               realm = SMB_STRDUP(domain->alt_name);
        }
        else {
                struct winbindd_domain *our_domain = domain;
 
-               ads->auth.password = secrets_fetch_machine_password(lp_workgroup(), NULL, NULL);
 
                /* always give preference to the alt_name in our
                   primary domain if possible */
@@ -106,28 +254,22 @@ static ADS_STRUCT *ads_cached_connection(struct winbindd_domain *domain)
                if ( !domain->primary )
                        our_domain = find_our_domain();
 
-               if ( our_domain->alt_name[0] != '\0' ) {
-                       ads->auth.realm = SMB_STRDUP( our_domain->alt_name );
-                       strupper_m( ads->auth.realm );
+               if (our_domain->alt_name != NULL) {
+                       realm = SMB_STRDUP( our_domain->alt_name );
                }
                else
-                       ads->auth.realm = SMB_STRDUP( lp_realm() );
+                       realm = SMB_STRDUP( lp_realm() );
        }
 
-       ads->auth.renewable = WINBINDD_PAM_AUTH_KRB5_RENEW_TIME;
-
-       /* Setup the server affinity cache.  We don't reaally care
-          about the name.  Just setup affinity and the KRB5_CONFIG
-          file. */
-
-       get_dc_name( ads->server.workgroup, ads->server.realm, dc_name, &dc_ss );
-
-       status = ads_connect(ads);
-       if (!ADS_ERR_OK(status) || !ads->config.realm) {
-               DEBUG(1,("ads_connect for domain %s failed: %s\n",
-                        domain->name, ads_errstr(status)));
-               ads_destroy(&ads);
+       status = ads_cached_connection_connect(
+                                       (ADS_STRUCT **)&domain->private_data,
+                                       domain->alt_name,
+                                       domain->name, NULL,
+                                       password, realm,
+                                       WINBINDD_PAM_AUTH_KRB5_RENEW_TIME);
+       SAFE_FREE(realm);
 
+       if (!ADS_ERR_OK(status)) {
                /* if we get ECONNREFUSED then it might be a NT4
                    server, fall back to MSRPC */
                if (status.error_type == ENUM_ADS_ERROR_SYSTEM &&
@@ -139,21 +281,13 @@ static ADS_STRUCT *ads_cached_connection(struct winbindd_domain *domain)
                return NULL;
        }
 
-       /* set the flag that says we don't own the memory even
-          though we do so that ads_destroy() won't destroy the
-          structure we pass back by reference */
-
-       ads->is_mine = False;
-
-       domain->private_data = (void *)ads;
-       return ads;
+       return (ADS_STRUCT *)domain->private_data;
 }
 
-
 /* Query display info for a realm. This is the basic user list fn */
 static NTSTATUS query_user_list(struct winbindd_domain *domain,
                               TALLOC_CTX *mem_ctx,
-                              uint32 *num_entries, 
+                              uint32_t *num_entries,
                               struct wbint_userinfo **pinfo)
 {
        ADS_STRUCT *ads = NULL;
@@ -182,8 +316,12 @@ static NTSTATUS query_user_list(struct winbindd_domain *domain,
        }
 
        rc = ads_search_retry(ads, &res, "(objectCategory=user)", attrs);
-       if (!ADS_ERR_OK(rc) || !res) {
+       if (!ADS_ERR_OK(rc)) {
                DEBUG(1,("query_user_list ads_search: %s\n", ads_errstr(rc)));
+               status = ads_ntstatus(rc);
+               goto done;
+       } else if (!res) {
+               DEBUG(1,("query_user_list ads_search returned NULL res\n"));
                goto done;
        }
 
@@ -193,7 +331,7 @@ static NTSTATUS query_user_list(struct winbindd_domain *domain,
                goto done;
        }
 
-       (*pinfo) = TALLOC_ZERO_ARRAY(mem_ctx, struct wbint_userinfo, count);
+       (*pinfo) = talloc_zero_array(mem_ctx, struct wbint_userinfo, count);
        if (!*pinfo) {
                status = NT_STATUS_NO_MEMORY;
                goto done;
@@ -203,8 +341,8 @@ static NTSTATUS query_user_list(struct winbindd_domain *domain,
 
        for (msg = ads_first_entry(ads, res); msg; msg = ads_next_entry(ads, msg)) {
                struct wbint_userinfo *info = &((*pinfo)[count]);
-               uint32 group;
-               uint32 atype;
+               uint32_t group;
+               uint32_t atype;
 
                if (!ads_pull_uint32(ads, msg, "sAMAccountType", &atype) ||
                    ds_atype_map(atype) != SID_NAME_USER) {
@@ -213,7 +351,10 @@ static NTSTATUS query_user_list(struct winbindd_domain *domain,
                }
 
                info->acct_name = ads_pull_username(ads, mem_ctx, msg);
-               info->full_name = ads_pull_string(ads, mem_ctx, msg, "name");
+               info->full_name = ads_pull_string(ads, mem_ctx, msg, "displayName");
+               if (info->full_name == NULL) {
+                       info->full_name = ads_pull_string(ads, mem_ctx, msg, "name");
+               }
                info->homedir = NULL;
                info->shell = NULL;
                info->primary_gid = (gid_t)-1;
@@ -242,14 +383,8 @@ static NTSTATUS query_user_list(struct winbindd_domain *domain,
                const char *gecos = NULL;
                gid_t primary_gid = (gid_t)-1;
 
-               /*
-                * Don't use our variable "ads" in this call here, every call
-                * to nss_get_info_cached can destroy the connection inside
-                * the domain.
-                */
                status = nss_get_info_cached(domain, &info->user_sid, mem_ctx,
-                                            ads_cached_connection(domain),
-                                            msg, &info->homedir, &info->shell,
+                                            &info->homedir, &info->shell,
                                             &gecos, &primary_gid);
                if (!NT_STATUS_IS_OK(status)) {
                        /*
@@ -276,8 +411,8 @@ done:
 /* list all domain groups */
 static NTSTATUS enum_dom_groups(struct winbindd_domain *domain,
                                TALLOC_CTX *mem_ctx,
-                               uint32 *num_entries, 
-                               struct acct_info **info)
+                               uint32_t *num_entries,
+                               struct wb_acct_info **info)
 {
        ADS_STRUCT *ads = NULL;
        const char *attrs[] = {"userPrincipalName", "sAMAccountName",
@@ -340,9 +475,13 @@ static NTSTATUS enum_dom_groups(struct winbindd_domain *domain,
        }
 
        rc = ads_search_retry(ads, &res, filter, attrs);
-       if (!ADS_ERR_OK(rc) || !res) {
+       if (!ADS_ERR_OK(rc)) {
+               status = ads_ntstatus(rc);
                DEBUG(1,("enum_dom_groups ads_search: %s\n", ads_errstr(rc)));
                goto done;
+       } else if (!res) {
+               DEBUG(1,("enum_dom_groups ads_search returned NULL res\n"));
+               goto done;
        }
 
        count = ads_count_replies(ads, res);
@@ -351,7 +490,7 @@ static NTSTATUS enum_dom_groups(struct winbindd_domain *domain,
                goto done;
        }
 
-       (*info) = TALLOC_ZERO_ARRAY(mem_ctx, struct acct_info, count);
+       (*info) = talloc_zero_array(mem_ctx, struct wb_acct_info, count);
        if (!*info) {
                status = NT_STATUS_NO_MEMORY;
                goto done;
@@ -362,7 +501,7 @@ static NTSTATUS enum_dom_groups(struct winbindd_domain *domain,
        for (msg = ads_first_entry(ads, res); msg; msg = ads_next_entry(ads, msg)) {
                char *name, *gecos;
                struct dom_sid sid;
-               uint32 rid;
+               uint32_t rid;
 
                name = ads_pull_username(ads, mem_ctx, msg);
                gecos = ads_pull_string(ads, mem_ctx, msg, "name");
@@ -398,8 +537,8 @@ done:
 /* list all domain local groups */
 static NTSTATUS enum_local_groups(struct winbindd_domain *domain,
                                TALLOC_CTX *mem_ctx,
-                               uint32 *num_entries, 
-                               struct acct_info **info)
+                               uint32_t *num_entries,
+                               struct wb_acct_info **info)
 {
        /*
         * This is a stub function only as we returned the domain 
@@ -425,9 +564,8 @@ static NTSTATUS name_to_sid(struct winbindd_domain *domain,
                            struct dom_sid *sid,
                            enum lsa_SidType *type)
 {
-       return reconnect_methods.name_to_sid(domain, mem_ctx,
-                                            domain_name, name, flags,
-                                            sid, type);
+       return msrpc_methods.name_to_sid(domain, mem_ctx, domain_name, name,
+                                        flags, sid, type);
 }
 
 /* convert a domain SID to a user or group name - use rpc methods */
@@ -438,23 +576,23 @@ static NTSTATUS sid_to_name(struct winbindd_domain *domain,
                            char **name,
                            enum lsa_SidType *type)
 {
-       return reconnect_methods.sid_to_name(domain, mem_ctx, sid,
-                                            domain_name, name, type);
+       return msrpc_methods.sid_to_name(domain, mem_ctx, sid,
+                                        domain_name, name, type);
 }
 
 /* convert a list of rids to names - use rpc methods */
 static NTSTATUS rids_to_names(struct winbindd_domain *domain,
                              TALLOC_CTX *mem_ctx,
                              const struct dom_sid *sid,
-                             uint32 *rids,
+                             uint32_t *rids,
                              size_t num_rids,
                              char **domain_name,
                              char ***names,
                              enum lsa_SidType **types)
 {
-       return reconnect_methods.rids_to_names(domain, mem_ctx, sid,
-                                              rids, num_rids,
-                                              domain_name, names, types);
+       return msrpc_methods.rids_to_names(domain, mem_ctx, sid,
+                                          rids, num_rids,
+                                          domain_name, names, types);
 }
 
 /* If you are looking for "dn_lookup": Yes, it used to be here!
@@ -475,12 +613,12 @@ static NTSTATUS query_user(struct winbindd_domain *domain,
        LDAPMessage *msg = NULL;
        char *ldap_exp;
        char *sidstr;
-       uint32 group_rid;
+       uint32_t group_rid;
        NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
        struct netr_SamInfo3 *user = NULL;
        gid_t gid = -1;
        int ret;
-       char *ads_name;
+       char *full_name;
 
        DEBUG(3,("ads: query_user\n"));
 
@@ -489,7 +627,7 @@ static NTSTATUS query_user(struct winbindd_domain *domain,
 
        /* try netsamlogon cache first */
 
-       if ( (user = netsamlogon_cache_get( mem_ctx, sid )) != NULL ) 
+       if ( (user = netsamlogon_cache_get( mem_ctx, sid )) != NULL )
        {
                DEBUG(5,("query_user: Cache lookup succeeded for %s\n", 
                         sid_string_dbg(sid)));
@@ -500,13 +638,21 @@ static NTSTATUS query_user(struct winbindd_domain *domain,
                info->acct_name = talloc_strdup(mem_ctx, user->base.account_name.string);
                info->full_name = talloc_strdup(mem_ctx, user->base.full_name.string);
 
-               nss_get_info_cached( domain, sid, mem_ctx, NULL, NULL, 
+               nss_get_info_cached( domain, sid, mem_ctx,
                              &info->homedir, &info->shell, &info->full_name, 
                              &gid );
                info->primary_gid = gid;
 
                TALLOC_FREE(user);
 
+               if (info->full_name == NULL) {
+                       /* this might fail so we don't check the return code */
+                       wcache_query_user_fullname(domain,
+                                                  mem_ctx,
+                                                  sid,
+                                                  &info->full_name);
+               }
+
                return NT_STATUS_OK;
        }
 
@@ -526,7 +672,7 @@ static NTSTATUS query_user(struct winbindd_domain *domain,
 
                /* Try to fill in what the nss_info backend can do */
 
-               nss_get_info_cached( domain, sid, mem_ctx, NULL, NULL, 
+               nss_get_info_cached( domain, sid, mem_ctx,
                              &info->homedir, &info->shell, &info->full_name, 
                              &gid);
                info->primary_gid = gid;
@@ -541,7 +687,7 @@ static NTSTATUS query_user(struct winbindd_domain *domain,
                return NT_STATUS_SERVER_DISABLED;
        }
 
-       sidstr = sid_binstring(talloc_tos(), sid);
+       sidstr = ldap_encode_ndr_dom_sid(talloc_tos(), sid);
 
        ret = asprintf(&ldap_exp, "(objectSid=%s)", sidstr);
        TALLOC_FREE(sidstr);
@@ -550,10 +696,14 @@ static NTSTATUS query_user(struct winbindd_domain *domain,
        }
        rc = ads_search_retry(ads, &msg, ldap_exp, attrs);
        SAFE_FREE(ldap_exp);
-       if (!ADS_ERR_OK(rc) || !msg) {
+       if (!ADS_ERR_OK(rc)) {
                DEBUG(1,("query_user(sid=%s) ads_search: %s\n",
                         sid_string_dbg(sid), ads_errstr(rc)));
                return ads_ntstatus(rc);
+       } else if (!msg) {
+               DEBUG(1,("query_user(sid=%s) ads_search returned NULL res\n",
+                        sid_string_dbg(sid)));
+               return NT_STATUS_INTERNAL_ERROR;
        }
 
        count = ads_count_replies(ads, msg);
@@ -580,12 +730,15 @@ static NTSTATUS query_user(struct winbindd_domain *domain,
         * nss_get_info_cached call. nss_get_info_cached might destroy
         * the ads struct, potentially invalidating the ldap message.
         */
-       ads_name = ads_pull_string(ads, mem_ctx, msg, "name");
+       full_name = ads_pull_string(ads, mem_ctx, msg, "displayName");
+       if (full_name == NULL) {
+               full_name = ads_pull_string(ads, mem_ctx, msg, "name");
+       }
 
        ads_msgfree(ads, msg);
        msg = NULL;
 
-       status = nss_get_info_cached( domain, sid, mem_ctx, ads, msg,
+       status = nss_get_info_cached( domain, sid, mem_ctx,
                      &info->homedir, &info->shell, &info->full_name, 
                      &gid);
        info->primary_gid = gid;
@@ -596,9 +749,9 @@ static NTSTATUS query_user(struct winbindd_domain *domain,
        }
 
        if (info->full_name == NULL) {
-               info->full_name = ads_name;
+               info->full_name = full_name;
        } else {
-               TALLOC_FREE(ads_name);
+               TALLOC_FREE(full_name);
        }
 
        status = NT_STATUS_OK;
@@ -613,7 +766,7 @@ static NTSTATUS lookup_usergroups_member(struct winbindd_domain *domain,
                                         TALLOC_CTX *mem_ctx,
                                         const char *user_dn, 
                                         struct dom_sid *primary_group,
-                                        size_t *p_num_groups, struct dom_sid **user_sids)
+                                        uint32_t *p_num_groups, struct dom_sid **user_sids)
 {
        ADS_STATUS rc;
        NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
@@ -624,7 +777,7 @@ static NTSTATUS lookup_usergroups_member(struct winbindd_domain *domain,
        ADS_STRUCT *ads;
        const char *group_attrs[] = {"objectSid", NULL};
        char *escaped_dn;
-       size_t num_groups = 0;
+       uint32_t num_groups = 0;
 
        DEBUG(3,("ads: lookup_usergroups_member\n"));
 
@@ -662,11 +815,15 @@ static NTSTATUS lookup_usergroups_member(struct winbindd_domain *domain,
 
        rc = ads_search_retry(ads, &res, ldap_exp, group_attrs);
 
-       if (!ADS_ERR_OK(rc) || !res) {
+       if (!ADS_ERR_OK(rc)) {
                DEBUG(1,("lookup_usergroups ads_search member=%s: %s\n", user_dn, ads_errstr(rc)));
                return ads_ntstatus(rc);
+       } else if (!res) {
+               DEBUG(1,("lookup_usergroups ads_search returned NULL res\n"));
+               return NT_STATUS_INTERNAL_ERROR;
        }
 
+
        count = ads_count_replies(ads, res);
 
        *user_sids = NULL;
@@ -720,14 +877,14 @@ static NTSTATUS lookup_usergroups_memberof(struct winbindd_domain *domain,
                                           TALLOC_CTX *mem_ctx,
                                           const char *user_dn,
                                           struct dom_sid *primary_group,
-                                          size_t *p_num_groups,
+                                          uint32_t *p_num_groups,
                                           struct dom_sid **user_sids)
 {
        ADS_STATUS rc;
        NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
        ADS_STRUCT *ads;
        const char *attrs[] = {"memberOf", NULL};
-       size_t num_groups = 0;
+       uint32_t num_groups = 0;
        struct dom_sid *group_sids = NULL;
        int i;
        char **strings = NULL;
@@ -769,7 +926,7 @@ static NTSTATUS lookup_usergroups_memberof(struct winbindd_domain *domain,
                goto done;
        }
 
-       group_sids = TALLOC_ZERO_ARRAY(mem_ctx, struct dom_sid, num_strings + 1);
+       group_sids = talloc_zero_array(mem_ctx, struct dom_sid, num_strings + 1);
        if (!group_sids) {
                status = NT_STATUS_NO_MEMORY;
                goto done;
@@ -832,7 +989,7 @@ done:
 static NTSTATUS lookup_usergroups(struct winbindd_domain *domain,
                                  TALLOC_CTX *mem_ctx,
                                  const struct dom_sid *sid,
-                                 uint32 *p_num_groups, struct dom_sid **user_sids)
+                                 uint32_t *p_num_groups, struct dom_sid **user_sids)
 {
        ADS_STRUCT *ads = NULL;
        const char *attrs[] = {"tokenGroups", "primaryGroupID", NULL};
@@ -843,9 +1000,9 @@ static NTSTATUS lookup_usergroups(struct winbindd_domain *domain,
        struct dom_sid *sids;
        int i;
        struct dom_sid primary_group;
-       uint32 primary_group_rid;
+       uint32_t primary_group_rid;
        NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
-       size_t num_groups = 0;
+       uint32_t num_groups = 0;
 
        DEBUG(3,("ads: lookup_usergroups\n"));
        *p_num_groups = 0;
@@ -930,7 +1087,7 @@ static NTSTATUS lookup_usergroups(struct winbindd_domain *domain,
                status = lookup_usergroups_memberof(domain, mem_ctx, user_dn,
                                                    &primary_group,
                                                    &num_groups, user_sids);
-               *p_num_groups = (uint32)num_groups;
+               *p_num_groups = num_groups;
                if (NT_STATUS_IS_OK(status)) {
                        goto done;
                }
@@ -941,7 +1098,7 @@ static NTSTATUS lookup_usergroups(struct winbindd_domain *domain,
                status = lookup_usergroups_member(domain, mem_ctx, user_dn, 
                                                  &primary_group,
                                                  &num_groups, user_sids);
-               *p_num_groups = (uint32)num_groups;
+               *p_num_groups = num_groups;
                goto done;
        }
 
@@ -968,7 +1125,7 @@ static NTSTATUS lookup_usergroups(struct winbindd_domain *domain,
                }
        }
 
-       *p_num_groups = (uint32)num_groups;
+       *p_num_groups = (uint32_t)num_groups;
        status = (*user_sids != NULL) ? NT_STATUS_OK : NT_STATUS_NO_MEMORY;
 
        DEBUG(3,("ads lookup_usergroups (tokenGroups) succeeded for sid=%s\n",
@@ -982,13 +1139,91 @@ done:
 /* Lookup aliases a user is member of - use rpc methods */
 static NTSTATUS lookup_useraliases(struct winbindd_domain *domain,
                                   TALLOC_CTX *mem_ctx,
-                                  uint32 num_sids, const struct dom_sid *sids,
-                                  uint32 *num_aliases, uint32 **alias_rids)
+                                  uint32_t num_sids, const struct dom_sid *sids,
+                                  uint32_t *num_aliases, uint32_t **alias_rids)
 {
-       return reconnect_methods.lookup_useraliases(domain, mem_ctx,
-                                                   num_sids, sids,
-                                                   num_aliases,
-                                                   alias_rids);
+       return msrpc_methods.lookup_useraliases(domain, mem_ctx, num_sids, sids,
+                                               num_aliases, alias_rids);
+}
+
+static NTSTATUS add_primary_group_members(
+       ADS_STRUCT *ads, TALLOC_CTX *mem_ctx, uint32_t rid,
+       char ***all_members, size_t *num_all_members)
+{
+       char *filter;
+       NTSTATUS status = NT_STATUS_NO_MEMORY;
+       ADS_STATUS rc;
+       const char *attrs[] = { "dn", NULL };
+       LDAPMessage *res = NULL;
+       LDAPMessage *msg;
+       char **members;
+       size_t num_members;
+       ads_control args;
+
+       filter = talloc_asprintf(
+               mem_ctx, "(&(objectCategory=user)(primaryGroupID=%u))",
+               (unsigned)rid);
+       if (filter == NULL) {
+               goto done;
+       }
+
+       args.control = ADS_EXTENDED_DN_OID;
+       args.val = ADS_EXTENDED_DN_HEX_STRING;
+       args.critical = True;
+
+       rc = ads_do_search_all_args(ads, ads->config.bind_path,
+                                   LDAP_SCOPE_SUBTREE, filter, attrs, &args,
+                                   &res);
+
+       if (!ADS_ERR_OK(rc)) {
+               status = ads_ntstatus(rc);
+               DEBUG(1,("%s: ads_search: %s\n", __func__, ads_errstr(rc)));
+               goto done;
+       }
+       if (res == NULL) {
+               DEBUG(1,("%s: ads_search returned NULL res\n", __func__));
+               goto done;
+       }
+
+       num_members = ads_count_replies(ads, res);
+
+       DEBUG(10, ("%s: Got %ju primary group members\n", __func__,
+                  (uintmax_t)num_members));
+
+       if (num_members == 0) {
+               status = NT_STATUS_OK;
+               goto done;
+       }
+
+       members = talloc_realloc(mem_ctx, *all_members, char *,
+                                *num_all_members + num_members);
+       if (members == NULL) {
+               DEBUG(1, ("%s: talloc_realloc failed\n", __func__));
+               goto done;
+       }
+       *all_members = members;
+
+       for (msg = ads_first_entry(ads, res); msg != NULL;
+            msg = ads_next_entry(ads, msg)) {
+               char *dn;
+
+               dn = ads_get_dn(ads, members, msg);
+               if (dn == NULL) {
+                       DEBUG(1, ("%s: ads_get_dn failed\n", __func__));
+                       continue;
+               }
+
+               members[*num_all_members] = dn;
+               *num_all_members += 1;
+       }
+
+       status = NT_STATUS_OK;
+done:
+       if (res != NULL) {
+               ads_msgfree(ads, res);
+       }
+       TALLOC_FREE(filter);
+       return status;
 }
 
 /*
@@ -998,9 +1233,9 @@ static NTSTATUS lookup_groupmem(struct winbindd_domain *domain,
                                TALLOC_CTX *mem_ctx,
                                const struct dom_sid *group_sid,
                                enum lsa_SidType type,
-                               uint32 *num_names,
+                               uint32_t *num_names,
                                struct dom_sid **sid_mem, char ***names,
-                               uint32 **name_types)
+                               uint32_t **name_types)
 {
        ADS_STATUS rc;
        ADS_STRUCT *ads = NULL;
@@ -1015,8 +1250,9 @@ static NTSTATUS lookup_groupmem(struct winbindd_domain *domain,
        char **names_nocache = NULL;
        enum lsa_SidType *name_types_nocache = NULL;
        char **domains_nocache = NULL;     /* only needed for rpccli_lsa_lookup_sids */
-       uint32 num_nocache = 0;
+       uint32_t num_nocache = 0;
        TALLOC_CTX *tmp_ctx = NULL;
+       uint32_t rid;
 
        DEBUG(10,("ads: lookup_groupmem %s sid=%s\n", domain->name,
                  sid_string_dbg(group_sid)));
@@ -1030,6 +1266,12 @@ static NTSTATUS lookup_groupmem(struct winbindd_domain *domain,
                goto done;
        }
 
+       if (!sid_peek_rid(group_sid, &rid)) {
+               DEBUG(1, ("%s: sid_peek_rid failed\n", __func__));
+               status = NT_STATUS_INVALID_PARAMETER;
+               goto done;
+       }
+
        if ( !winbindd_can_contact_domain( domain ) ) {
                DEBUG(10,("lookup_groupmem: No incoming trust for domain %s\n",
                          domain->name));
@@ -1043,7 +1285,7 @@ static NTSTATUS lookup_groupmem(struct winbindd_domain *domain,
                goto done;
        }
 
-       if ((sidbinstr = sid_binstring(talloc_tos(), group_sid)) == NULL) {
+       if ((sidbinstr = ldap_encode_ndr_dom_sid(talloc_tos(), group_sid)) == NULL) {
                status = NT_STATUS_NO_MEMORY;
                goto done;
        }
@@ -1072,6 +1314,17 @@ static NTSTATUS lookup_groupmem(struct winbindd_domain *domain,
 
        DEBUG(10, ("ads lookup_groupmem: got %d sids via extended dn call\n", (int)num_members));
 
+       status = add_primary_group_members(ads, mem_ctx, rid,
+                                          &members, &num_members);
+       if (!NT_STATUS_IS_OK(status)) {
+               DEBUG(10, ("%s: add_primary_group_members failed: %s\n",
+                          __func__, nt_errstr(status)));
+               goto done;
+       }
+
+       DEBUG(10, ("%s: Got %d sids after adding primary group members\n",
+                  __func__, (int)num_members));
+
        /* Now that we have a list of sids, we need to get the
         * lists of names and name_types belonging to these sids.
         * even though conceptually not quite clean,  we use the
@@ -1085,10 +1338,10 @@ static NTSTATUS lookup_groupmem(struct winbindd_domain *domain,
         * cache. Only the rest is passed to the lsa_lookup_sids call. */
 
        if (num_members) {
-               (*sid_mem) = TALLOC_ZERO_ARRAY(mem_ctx, struct dom_sid, num_members);
-               (*names) = TALLOC_ZERO_ARRAY(mem_ctx, char *, num_members);
-               (*name_types) = TALLOC_ZERO_ARRAY(mem_ctx, uint32, num_members);
-               (sid_mem_nocache) = TALLOC_ZERO_ARRAY(tmp_ctx, struct dom_sid, num_members);
+               (*sid_mem) = talloc_zero_array(mem_ctx, struct dom_sid, num_members);
+               (*names) = talloc_zero_array(mem_ctx, char *, num_members);
+               (*name_types) = talloc_zero_array(mem_ctx, uint32_t, num_members);
+               (sid_mem_nocache) = talloc_zero_array(tmp_ctx, struct dom_sid, num_members);
 
                if ((members == NULL) || (*sid_mem == NULL) ||
                    (*names == NULL) || (*name_types == NULL) ||
@@ -1227,7 +1480,7 @@ done:
 }
 
 /* find the sequence number for a domain */
-static NTSTATUS sequence_number(struct winbindd_domain *domain, uint32 *seq)
+static NTSTATUS sequence_number(struct winbindd_domain *domain, uint32_t *seq)
 {
        ADS_STRUCT *ads = NULL;
        ADS_STATUS rc;
@@ -1260,7 +1513,7 @@ static NTSTATUS sequence_number(struct winbindd_domain *domain, uint32 *seq)
                        ads = (ADS_STRUCT *)domain->private_data;
                        ads->is_mine = True;
                        ads_destroy(&ads);
-                       ads_kdestroy("MEMORY:winbind_ccache");
+                       ads_kdestroy(WINBIND_CCACHE_NAME);
                        domain->private_data = NULL;
                }
        }
@@ -1272,7 +1525,7 @@ static NTSTATUS lockout_policy(struct winbindd_domain *domain,
                               TALLOC_CTX *mem_ctx,
                               struct samr_DomInfo12 *policy)
 {
-       return reconnect_methods.lockout_policy(domain, mem_ctx, policy);
+       return msrpc_methods.lockout_policy(domain, mem_ctx, policy);
 }
 
 /* find the password policy of a domain - use rpc methods */
@@ -1280,7 +1533,7 @@ static NTSTATUS password_policy(struct winbindd_domain *domain,
                                TALLOC_CTX *mem_ctx,
                                struct samr_DomInfo1 *policy)
 {
-       return reconnect_methods.password_policy(domain, mem_ctx, policy);
+       return msrpc_methods.password_policy(domain, mem_ctx, policy);
 }
 
 /* get a list of trusted domains */
@@ -1289,10 +1542,12 @@ static NTSTATUS trusted_domains(struct winbindd_domain *domain,
                                struct netr_DomainTrustList *trusts)
 {
        NTSTATUS                result = NT_STATUS_UNSUCCESSFUL;
+       WERROR werr;
        int                     i;
-       uint32                  flags;  
+       uint32_t                flags;
        struct rpc_pipe_client *cli;
        int ret_count;
+       struct dcerpc_binding_handle *b;
 
        DEBUG(3,("ads: trusted_domains\n"));
 
@@ -1319,14 +1574,20 @@ static NTSTATUS trusted_domains(struct winbindd_domain *domain,
                return NT_STATUS_UNSUCCESSFUL;
        }
 
-       result = rpccli_netr_DsrEnumerateDomainTrusts(cli, mem_ctx,
+       b = cli->binding_handle;
+
+       result = dcerpc_netr_DsrEnumerateDomainTrusts(b, mem_ctx,
                                                      cli->desthost,
                                                      flags,
                                                      trusts,
-                                                     NULL);
+                                                     &werr);
        if (!NT_STATUS_IS_OK(result)) {
                return result;
        }
+
+       if (!W_ERROR_IS_OK(werr)) {
+               return werror_to_ntstatus(werr);
+       }
        if (trusts->count == 0) {
                return NT_STATUS_OK;
        }
@@ -1348,7 +1609,7 @@ static NTSTATUS trusted_domains(struct winbindd_domain *domain,
                 */
 
                if ((trust->trust_attributes
-                    == NETR_TRUST_ATTRIBUTE_QUARANTINED_DOMAIN) &&
+                    == LSA_TRUST_ATTRIBUTE_QUARANTINED_DOMAIN) &&
                    !domain->primary )
                {
                        DEBUG(10,("trusted_domains: Skipping external trusted "
@@ -1360,8 +1621,9 @@ static NTSTATUS trusted_domains(struct winbindd_domain *domain,
 
                /* add to the trusted domain cache */
 
-               fstrcpy(d.name, trust->netbios_name);
-               fstrcpy(d.alt_name, trust->dns_name);
+               d.name = discard_const_p(char, trust->netbios_name);
+               d.alt_name = discard_const_p(char, trust->dns_name);
+
                if (trust->sid) {
                        sid_copy(&d.sid, trust->sid);
                } else {