*id_to_*id call reshape to return NTSTATUS errors
[ira/wip.git] / source3 / nsswitch / winbindd_group.c
index 6e22a8b559184a9cdc9a9a79ba2f3f8b192123a4..14ebb7846682e2fbeca65c2a6a65f4ecf333bd5e 100644 (file)
@@ -1,6 +1,5 @@
 /* 
-   Unix SMB/Netbios implementation.
-   Version 2.2.
+   Unix SMB/CIFS implementation.
 
    Winbind daemon for ntdom nss module
 
 
 #include "winbindd.h"
 
+#undef DBGC_CLASS
+#define DBGC_CLASS DBGC_WINBIND
+
 /***************************************************************
  Empty static struct for negative caching.
 ****************************************************************/
 
 /* Fill a grent structure from various other information */
 
-static BOOL fill_grent(struct winbindd_gr *gr, char *gr_name,
-                      gid_t unix_gid)
+static BOOL fill_grent(struct winbindd_gr *gr, const char *dom_name, 
+                      const char *gr_name, gid_t unix_gid)
 {
+       fstring full_group_name;
        /* Fill in uid/gid */
+       fill_domain_username(full_group_name, dom_name, gr_name);
 
        gr->gr_gid = unix_gid;
     
        /* Group name and password */
     
-       safe_strcpy(gr->gr_name, gr_name, sizeof(gr->gr_name) - 1);
+       safe_strcpy(gr->gr_name, full_group_name, sizeof(gr->gr_name) - 1);
        safe_strcpy(gr->gr_passwd, "x", sizeof(gr->gr_passwd) - 1);
 
        return True;
 }
 
-/* Fill in the group membership field of a NT group given by group_rid */
+/* Fill in the group membership field of a NT group given by group_sid */
 
 static BOOL fill_grent_mem(struct winbindd_domain *domain,
-                          uint32 group_rid, 
+                          DOM_SID *group_sid, 
                           enum SID_NAME_USE group_name_type, 
                           int *num_gr_mem, char **gr_mem, int *gr_mem_len)
 {
-       uint32 *rid_mem = NULL, num_names = 0;
+       DOM_SID **sid_mem = NULL;
+       uint32 num_names = 0;
        uint32 *name_types = NULL;
-       int buf_len, buf_ndx, i;
+       unsigned int buf_len, buf_ndx, i;
        char **names = NULL, *buf;
        BOOL result = False;
        TALLOC_CTX *mem_ctx;
        NTSTATUS status;
+       fstring sid_string;
 
-       if (!(mem_ctx = talloc_init()))
+       if (!(mem_ctx = talloc_init("fill_grent_mem(%s)", domain->name)))
                return False;
 
        /* Initialise group membership information */
        
-       DEBUG(10, ("fill_grent_mem(): group %s rid 0x%x\n",
-                  domain ? domain->name : "NULL", group_rid));
+       DEBUG(10, ("group SID %s\n", sid_to_string(sid_string, group_sid)));
 
        *num_gr_mem = 0;
        
        if (group_name_type != SID_NAME_DOM_GRP) {
-               DEBUG(1, ("fill_grent_mem(): rid %d in domain %s isn't a "
-                         "domain group\n", group_rid, domain->name));
+               DEBUG(1, ("SID %s in domain %s isn't a domain group\n", 
+                         sid_to_string(sid_string, group_sid), domain->name));
                 goto done;
        }
 
        /* Lookup group members */
-       status = domain->methods->lookup_groupmem(domain, mem_ctx, group_rid, &num_names, 
-                                                 &rid_mem, &names, &name_types);
+       status = domain->methods->lookup_groupmem(domain, mem_ctx, group_sid, &num_names, 
+                                                 &sid_mem, &names, &name_types);
        if (!NT_STATUS_IS_OK(status)) {
-               DEBUG(1, ("fill_grent_mem(): could not lookup membership "
-                         "for group rid %d in domain %s\n", 
-                         group_rid, domain->name));
+               DEBUG(1, ("could not lookup membership for group rid %s in domain %s (error: %s)\n", 
+                         sid_to_string(sid_string, group_sid), domain->name, nt_errstr(status)));
 
                goto done;
        }
 
-       DEBUG(10, ("fill_grent_mem(): looked up %d names\n", num_names));
+       DEBUG(10, ("looked up %d names\n", num_names));
 
        if (DEBUGLEVEL >= 10) {
                for (i = 0; i < num_names; i++)
-                       DEBUG(10, ("\t%20s %x %d\n", names[i], rid_mem[i],
+                       DEBUG(10, ("\t%20s %s %d\n", names[i], sid_to_string(sid_string, sid_mem[i]),
                                   name_types[i]));
        }
 
@@ -109,31 +113,27 @@ static BOOL fill_grent_mem(struct winbindd_domain *domain,
                        
                the_name = names[i];
 
-               DEBUG(10, ("fill_grent_mem(): processing name %s\n", 
-                           the_name));
+               DEBUG(10, ("processing name %s\n", the_name));
 
                /* FIXME: need to cope with groups within groups.  These
                    occur in Universal groups on a Windows 2000 native mode
                    server. */
 
                if (name_types[i] != SID_NAME_USER) {
-                       DEBUG(3, ("fill_grent_mem(): name %s isn't a domain "
-                                 "user\n", the_name));
+                       DEBUG(3, ("name %s isn't a domain user\n", the_name));
                        continue;
                }
 
                /* Don't bother with machine accounts */
                
                if (the_name[strlen(the_name) - 1] == '$') {
-                       DEBUG(10, ("fill_grent_mem(): %s is machine account\n",
-                                  the_name));
+                       DEBUG(10, ("%s is machine account\n", the_name));
                        continue;
                }
 
                /* Append domain name */
 
-               snprintf(name, sizeof(name), "%s%s%s", domain->name,
-                        lp_winbind_separator(), the_name);
+               fill_domain_username(name, domain->name, the_name);
 
                len = strlen(name);
                
@@ -142,11 +142,9 @@ static BOOL fill_grent_mem(struct winbindd_domain *domain,
                if (!buf) {
                        buf_len += len + 1; /* List is comma separated */
                        (*num_gr_mem)++;
-                       DEBUG(10, ("fill_grent_mem(): buf_len + %d = %d\n", len + 1,
-                                  buf_len));
+                       DEBUG(10, ("buf_len + %d = %d\n", len + 1, buf_len));
                } else {
-                       DEBUG(10, ("fill_grent_mem(): appending %s at index %d\n",
-                                  name, len));
+                       DEBUG(10, ("appending %s at ndx %d\n", name, len));
                        safe_strcpy(&buf[buf_ndx], name, len);
                        buf_ndx += len;
                        buf[buf_ndx] = ',';
@@ -156,9 +154,9 @@ static BOOL fill_grent_mem(struct winbindd_domain *domain,
 
        /* Allocate buffer */
 
-       if (!buf) {
+       if (!buf && buf_len != 0) {
                if (!(buf = malloc(buf_len))) {
-                       DEBUG(1, ("fill_grent_mem(): out of memory\n"));
+                       DEBUG(1, ("out of memory\n"));
                        result = False;
                        goto done;
                }
@@ -173,33 +171,34 @@ static BOOL fill_grent_mem(struct winbindd_domain *domain,
        *gr_mem = buf;
        *gr_mem_len = buf_len;
 
-       DEBUG(10, ("fill_grent_mem(): num_mem = %d, len = %d, mem = %s\n", 
-                   *num_gr_mem, buf_len, *num_gr_mem ? buf : "NULL"));
-
+       DEBUG(10, ("num_mem = %d, len = %d, mem = %s\n", *num_gr_mem, 
+                  buf_len, *num_gr_mem ? buf : "NULL")); 
        result = True;
 
 done:
 
        talloc_destroy(mem_ctx);
        
-       DEBUG(10, ("fill_grent_mem(): returning %d\n", result));
+       DEBUG(10, ("fill_grent_mem returning %d\n", result));
 
        return result;
 }
 
 /* Return a group structure from a group name */
 
-enum winbindd_result winbindd_getgrnam_from_group(struct winbindd_cli_state *state)
+enum winbindd_result winbindd_getgrnam(struct winbindd_cli_state *state)
 {
        DOM_SID group_sid;
        struct winbindd_domain *domain;
        enum SID_NAME_USE name_type;
-       uint32 group_rid;
-       fstring name_domain, name_group, name;
+       fstring name_domain, name_group;
        char *tmp, *gr_mem;
-       gid_t gid;
        int gr_mem_len;
+       gid_t gid;
        
+       /* Ensure null termination */
+       state->request.data.groupname[sizeof(state->request.data.groupname)-1]='\0';
+
        DEBUG(3, ("[%5d]: getgrnam %s\n", state->pid,
                  state->request.data.groupname));
 
@@ -214,39 +213,34 @@ enum winbindd_result winbindd_getgrnam_from_group(struct winbindd_cli_state *sta
        /* Get info for the domain */
 
        if ((domain = find_domain_from_name(name_domain)) == NULL) {
-               DEBUG(0, ("getgrname_from_group(): could not get domain "
-                         "sid for domain %s\n", name_domain));
+               DEBUG(0, ("could not get domain sid for domain %s\n",
+                         name_domain));
                return WINBINDD_ERROR;
        }
 
-       snprintf(name, sizeof(name), "%s\\%s", name_domain, name_group);
-
        /* Get rid and name type from name */
         
-       if (!winbindd_lookup_sid_by_name(domain, name, &group_sid, &name_type)) {
+       if (!winbindd_lookup_sid_by_name(domain, name_group, &group_sid, 
+                                        &name_type)) {
                DEBUG(1, ("group %s in domain %s does not exist\n", 
                          name_group, name_domain));
                return WINBINDD_ERROR;
        }
 
        if ((name_type != SID_NAME_ALIAS) && (name_type != SID_NAME_DOM_GRP)) {
-               DEBUG(1, ("from_group: name '%s' is not a local or domain "
-                         "group: %d\n", name_group, name_type));
+               DEBUG(1, ("name '%s' is not a local or domain group: %d\n", 
+                         name_group, name_type));
                return WINBINDD_ERROR;
        }
 
-       /* Fill in group structure */
-
-       sid_split_rid(&group_sid, &group_rid);
-
-       if (!winbindd_idmap_get_gid_from_rid(domain->name, group_rid, &gid)) {
-               DEBUG(1, ("error sursing unix gid for sid\n"));
+       if (NT_STATUS_IS_ERR(sid_to_gid(&group_sid, &gid))) {
+               DEBUG(1, ("error converting unix gid to sid\n"));
                return WINBINDD_ERROR;
        }
 
-       if (!fill_grent(&state->response.data.gr, 
-                       state->request.data.groupname, gid) ||
-           !fill_grent_mem(domain, group_rid, name_type,
+       if (!fill_grent(&state->response.data.gr, name_domain,
+                       name_group, gid) ||
+           !fill_grent_mem(domain, &group_sid, name_type,
                            &state->response.data.gr.num_gr_mem,
                            &gr_mem, &gr_mem_len)) {
                return WINBINDD_ERROR;
@@ -264,14 +258,13 @@ enum winbindd_result winbindd_getgrnam_from_group(struct winbindd_cli_state *sta
 
 /* Return a group structure from a gid number */
 
-enum winbindd_result winbindd_getgrnam_from_gid(struct winbindd_cli_state 
-                                                *state)
+enum winbindd_result winbindd_getgrgid(struct winbindd_cli_state *state)
 {
        struct winbindd_domain *domain;
        DOM_SID group_sid;
        enum SID_NAME_USE name_type;
+       fstring dom_name;
        fstring group_name;
-       uint32 group_rid;
        int gr_mem_len;
        char *gr_mem;
 
@@ -285,40 +278,38 @@ enum winbindd_result winbindd_getgrnam_from_gid(struct winbindd_cli_state
                return WINBINDD_ERROR;
 
        /* Get rid from gid */
-
-       if (!winbindd_idmap_get_rid_from_gid(state->request.data.gid, 
-                                            &group_rid, &domain)) {
-               DEBUG(1, ("Could not convert gid %d to rid\n", 
+       if (NT_STATUS_IS_ERR(uid_to_sid(&group_sid, state->request.data.gid))) {
+               DEBUG(1, ("could not convert gid %d to rid\n", 
                          state->request.data.gid));
                return WINBINDD_ERROR;
        }
 
-       /* Get sid from gid */
-
-       sid_copy(&group_sid, &domain->sid);
-       sid_append_rid(&group_sid, group_rid);
+       /* Get name from sid */
 
-       if (!winbindd_lookup_name_by_sid(&group_sid, group_name, &name_type)) {
-               DEBUG(1, ("Could not lookup sid\n"));
+       if (!winbindd_lookup_name_by_sid(&group_sid, dom_name, group_name, &name_type)) {
+               DEBUG(1, ("could not lookup sid\n"));
                return WINBINDD_ERROR;
        }
 
-       if (strcmp(lp_winbind_separator(),"\\"))
-               string_sub(group_name, "\\", lp_winbind_separator(), 
-                          sizeof(fstring));
-
        if (!((name_type == SID_NAME_ALIAS) || 
              (name_type == SID_NAME_DOM_GRP))) {
-               DEBUG(1, ("from_gid: name '%s' is not a local or domain "
-                         "group: %d\n", group_name, name_type));
+               DEBUG(1, ("name '%s' is not a local or domain group: %d\n", 
+                         group_name, name_type));
                return WINBINDD_ERROR;
        }
 
        /* Fill in group structure */
 
-       if (!fill_grent(&state->response.data.gr, group_name, 
+       domain = find_domain_from_sid(&group_sid);
+
+       if (!domain) {
+               DEBUG(1,("Can't find domain from sid\n"));
+               return WINBINDD_ERROR;
+       }
+
+       if (!fill_grent(&state->response.data.gr, dom_name, group_name, 
                        state->request.data.gid) ||
-           !fill_grent_mem(domain, group_rid, name_type,
+           !fill_grent_mem(domain, &group_sid, name_type,
                            &state->response.data.gr.num_gr_mem,
                            &gr_mem, &gr_mem_len))
                return WINBINDD_ERROR;
@@ -341,7 +332,7 @@ enum winbindd_result winbindd_getgrnam_from_gid(struct winbindd_cli_state
 
 enum winbindd_result winbindd_setgrent(struct winbindd_cli_state *state)
 {
-       struct winbindd_domain *tmp;
+       struct winbindd_domain *domain;
 
        DEBUG(3, ("[%5d]: setgrent\n", state->pid));
 
@@ -359,28 +350,20 @@ enum winbindd_result winbindd_setgrent(struct winbindd_cli_state *state)
        
        /* Create sam pipes for each domain we know about */
        
-       if (domain_list == NULL)
-               get_domain_info();
-
-       for (tmp = domain_list; tmp != NULL; tmp = tmp->next) {
+       for (domain = domain_list(); domain != NULL; domain = domain->next) {
                struct getent_state *domain_state;
                
-               /* Skip domains other than WINBINDD_DOMAIN environment 
-                  variable */
-               
-               if ((strcmp(state->request.domain, "") != 0) &&
-                   !check_domain_env(state->request.domain, tmp->name))
-                       continue;
-               
                /* Create a state record for this domain */
                
                if ((domain_state = (struct getent_state *)
-                    malloc(sizeof(struct getent_state))) == NULL)
+                    malloc(sizeof(struct getent_state))) == NULL) {
+                       DEBUG(1, ("winbindd_setgrent: malloc failed for domain_state!\n"));
                        return WINBINDD_ERROR;
+               }
                
                ZERO_STRUCTP(domain_state);
                
-               domain_state->domain = tmp;
+               fstrcpy(domain_state->domain_name, domain->name);
 
                /* Add to list of open domains */
                
@@ -413,16 +396,20 @@ static BOOL get_sam_group_entries(struct getent_state *ent)
 {
        NTSTATUS status;
        uint32 num_entries;
-       struct acct_info *name_list = NULL;
+       struct acct_info *name_list = NULL, *tmp_name_list = NULL;
        TALLOC_CTX *mem_ctx;
        BOOL result = False;
        struct acct_info *sam_grp_entries = NULL;
+       struct winbindd_domain *domain;
         
        if (ent->got_sam_entries)
                return False;
 
-       if (!(mem_ctx = talloc_init()))
+       if (!(mem_ctx = talloc_init("get_sam_group_entries(%s)",
+                                         ent->domain_name))) {
+               DEBUG(1, ("get_sam_group_entries: could not create talloc context!\n")); 
                return False;
+       }
                
        /* Free any existing group info */
 
@@ -431,28 +418,78 @@ static BOOL get_sam_group_entries(struct getent_state *ent)
        ent->got_sam_entries = True;
 
        /* Enumerate domain groups */
+
        num_entries = 0;
 
-       status = ent->domain->methods->enum_dom_groups(ent->domain,
-                                                      mem_ctx, 
-                                                      &num_entries,
-                                                      &sam_grp_entries);
+       if (!(domain = find_domain_from_name(ent->domain_name))) {
+               DEBUG(3, ("no such domain %s in get_sam_group_entries\n", ent->domain_name));
+               goto done;
+       }
+
+       /* always get the domain global groups */
+
+       status = domain->methods->enum_dom_groups(domain, mem_ctx, &num_entries, &sam_grp_entries);
        
        if (!NT_STATUS_IS_OK(status)) {
+               DEBUG(3, ("get_sam_group_entries: could not enumerate domain groups! Error: %s\n", nt_errstr(status)));
                result = False;
                goto done;
        }
 
        /* Copy entries into return buffer */
+
        if (num_entries) {
-               name_list = malloc(sizeof(struct acct_info) * num_entries);
-               memcpy(name_list, sam_grp_entries, 
-                      num_entries * sizeof(struct acct_info));
+               if ( !(name_list = malloc(sizeof(struct acct_info) * num_entries)) ) {
+                       DEBUG(0,("get_sam_group_entries: Failed to malloc memory for %d domain groups!\n", 
+                               num_entries));
+                       result = False;
+                       goto done;
+               }
+               memcpy( name_list, sam_grp_entries, num_entries * sizeof(struct acct_info) );
        }
        
        ent->num_sam_entries = num_entries;
+       
+       /* get the domain local groups if we are a member of 
+          a native win2k domain */
+          
+       if ( domain->native_mode && domain->methods->enum_local_groups )
+       {
+               DEBUG(4,("get_sam_group_entries: Native Mode 2k domain; enumerating local groups as well\n"));
+               
+               status = domain->methods->enum_local_groups(domain, mem_ctx, &num_entries, &sam_grp_entries);
+               
+               if ( !NT_STATUS_IS_OK(status) ) { 
+                       DEBUG(3,("get_sam_group_entries: Failed to enumerate domain local groups!\n"));
+                       num_entries = 0;
+               }
+               else
+                       DEBUG(4,("get_sam_group_entries: Returned %d local groups\n", num_entries));
+               
+               /* Copy entries into return buffer */
+
+               if ( num_entries ) {
+                       if ( !(tmp_name_list = Realloc( name_list, sizeof(struct acct_info) * (ent->num_sam_entries+num_entries))) )
+                       {
+                               DEBUG(0,("get_sam_group_entries: Failed to realloc more memory for %d local groups!\n", 
+                                       num_entries));
+                               result = False;
+                               SAFE_FREE( name_list );
+                               goto done;
+                       }
+                       
+                       name_list = tmp_name_list;
+                               
+                       memcpy( &name_list[ent->num_sam_entries], sam_grp_entries, 
+                               num_entries * sizeof(struct acct_info) );
+               }
+       
+               ent->num_sam_entries += num_entries;
+       }
+       
                
        /* Fill in remaining fields */
+
        ent->sam_entries = name_list;
        ent->sam_entry_index = 0;
 
@@ -473,7 +510,7 @@ enum winbindd_result winbindd_getgrent(struct winbindd_cli_state *state)
        struct getent_state *ent;
        struct winbindd_gr *group_list = NULL;
        int num_groups, group_list_ndx = 0, i, gr_mem_list_len = 0;
-       char *sep, *new_extra_data, *gr_mem_list = NULL;
+       char *new_extra_data, *gr_mem_list = NULL;
 
        DEBUG(3, ("[%5d]: getgrent\n", state->pid));
 
@@ -491,7 +528,6 @@ enum winbindd_result winbindd_getgrent(struct winbindd_cli_state *state)
        state->response.data.num_entries = 0;
 
        group_list = (struct winbindd_gr *)state->response.extra_data;
-       sep = lp_winbind_separator();
 
        if (!(ent = state->getgrent_state))
                return WINBINDD_ERROR;
@@ -505,12 +541,14 @@ enum winbindd_result winbindd_getgrent(struct winbindd_cli_state *state)
                gid_t group_gid;
                int gr_mem_len;
                char *gr_mem, *new_gr_mem_list;
-               
+               DOM_SID group_sid;
+               struct winbindd_domain *domain;
+                               
                /* Do we need to fetch another chunk of groups? */
 
        tryagain:
 
-               DEBUG(10, ("getgrent(): entry_index = %d, num_entries = %d\n",
+               DEBUG(10, ("entry_index = %d, num_entries = %d\n",
                           ent->sam_entry_index, ent->num_sam_entries));
 
                if (ent->num_sam_entries == ent->sam_entry_index) {
@@ -518,8 +556,7 @@ enum winbindd_result winbindd_getgrent(struct winbindd_cli_state *state)
                        while(ent && !get_sam_group_entries(ent)) {
                                struct getent_state *next_ent;
 
-                               DEBUG(10, ("getgrent(): freeing state info for "
-                                          "domain %s\n", ent->domain->name)); 
+                               DEBUG(10, ("freeing state info for domain %s\n", ent->domain_name)); 
 
                                /* Free state information for this domain */
 
@@ -540,42 +577,61 @@ enum winbindd_result winbindd_getgrent(struct winbindd_cli_state *state)
                
                name_list = ent->sam_entries;
                
+               if (!(domain = 
+                     find_domain_from_name(ent->domain_name))) {
+                       DEBUG(3, ("No such domain %s in winbindd_getgrent\n", ent->domain_name));
+                       result = False;
+                       goto done;
+               }
+
                /* Lookup group info */
                
-               if (!winbindd_idmap_get_gid_from_rid(
-                       ent->domain->name,
-                       name_list[ent->sam_entry_index].rid,
-                       &group_gid)) {
+               sid_copy(&group_sid, &domain->sid);
+               sid_append_rid(&group_sid, name_list[ent->sam_entry_index].rid);
+
+               if (NT_STATUS_IS_ERR(sid_to_gid(&group_sid, &group_gid))) {
                        
-                       DEBUG(1, ("getgrent(): could not look up gid for group %s\n",
+                       DEBUG(1, ("could not look up gid for group %s\n", 
                                  name_list[ent->sam_entry_index].acct_name));
-
+                       
                        ent->sam_entry_index++;
                        goto tryagain;
                }
 
-               DEBUG(10, ("getgrent(): got gid %d for group %x\n", group_gid,
+               DEBUG(10, ("got gid %d for group %x\n", group_gid,
                           name_list[ent->sam_entry_index].rid));
                
                /* Fill in group entry */
 
-               slprintf(domain_group_name, sizeof(domain_group_name) - 1,
-                        "%s%s%s", ent->domain->name, lp_winbind_separator(), 
+               fill_domain_username(domain_group_name, ent->domain_name, 
                         name_list[ent->sam_entry_index].acct_name);
-   
+
                result = fill_grent(&group_list[group_list_ndx], 
-                                   domain_group_name, group_gid);
+                                   ent->domain_name,
+                                   name_list[ent->sam_entry_index].acct_name,
+                                   group_gid);
 
                /* Fill in group membership entry */
 
                if (result) {
-                       /* Get group membership */
-                       result = fill_grent_mem(
-                               ent->domain,
-                               name_list[ent->sam_entry_index].rid,
-                               SID_NAME_DOM_GRP,
-                               &group_list[group_list_ndx].num_gr_mem, 
-                               &gr_mem, &gr_mem_len);
+                       DOM_SID member_sid;
+                       group_list[group_list_ndx].num_gr_mem = 0;
+                       gr_mem = NULL;
+                       gr_mem_len = 0;
+                       
+                       /* Get group membership */                      
+                       if (state->request.cmd == WINBINDD_GETGRLST) {
+                               result = True;
+                       } else {
+                               sid_copy(&member_sid, &domain->sid);
+                               sid_append_rid(&member_sid, name_list[ent->sam_entry_index].rid);
+                               result = fill_grent_mem(
+                                       domain,
+                                       &member_sid,
+                                       SID_NAME_DOM_GRP,
+                                       &group_list[group_list_ndx].num_gr_mem, 
+                                       &gr_mem, &gr_mem_len);
+                       }
                }
 
                if (result) {
@@ -585,13 +641,13 @@ enum winbindd_result winbindd_getgrent(struct winbindd_cli_state *state)
                                gr_mem_list_len + gr_mem_len);
 
                        if (!new_gr_mem_list && (group_list[group_list_ndx].num_gr_mem != 0)) {
-                               DEBUG(0, ("getgrent(): out of memory\n"));
+                               DEBUG(0, ("out of memory\n"));
                                SAFE_FREE(gr_mem_list);
                                gr_mem_list_len = 0;
                                break;
                        }
 
-                       DEBUG(10, ("getgrent(): list_len = %d, mem_len = %d\n",
+                       DEBUG(10, ("list_len = %d, mem_len = %d\n",
                                   gr_mem_list_len, gr_mem_len));
 
                        gr_mem_list = new_gr_mem_list;
@@ -613,7 +669,7 @@ enum winbindd_result winbindd_getgrent(struct winbindd_cli_state *state)
                
                if (result) {
 
-                       DEBUG(10, ("getgrent(): adding group num_entries = %d\n",
+                       DEBUG(10, ("adding group num_entries = %d\n",
                                   state->response.data.num_entries));
 
                        group_list_ndx++;
@@ -656,7 +712,7 @@ enum winbindd_result winbindd_getgrent(struct winbindd_cli_state *state)
 
        state->response.length += gr_mem_list_len;
 
-       DEBUG(10, ("getgrent(): returning %d groups, length = %d\n",
+       DEBUG(10, ("returning %d groups, length = %d\n",
                   group_list_ndx, gr_mem_list_len));
 
        /* Out of domains */
@@ -674,29 +730,20 @@ enum winbindd_result winbindd_list_groups(struct winbindd_cli_state *state)
        struct winbindd_domain *domain;
        char *extra_data = NULL;
        char *ted = NULL;
-       int extra_data_len = 0, i;
+       unsigned int extra_data_len = 0, i;
 
        DEBUG(3, ("[%5d]: list groups\n", state->pid));
 
        /* Enumerate over trusted domains */
 
-       if (domain_list == NULL)
-               get_domain_info();
-
-       for (domain = domain_list; domain; domain = domain->next) {
+       for (domain = domain_list(); domain; domain = domain->next) {
                struct getent_state groups;
 
                ZERO_STRUCT(groups);
 
-               /* Skip domains other than WINBINDD_DOMAIN environment
-                  variable */ 
-               if ((strcmp(state->request.domain, "") != 0) &&
-                   !check_domain_env(state->request.domain, domain->name))
-                       continue;
-
                /* Get list of sam groups */
                ZERO_STRUCT(groups);
-               groups.domain = domain;
+               fstrcpy(groups.domain_name, domain->name);
 
                get_sam_group_entries(&groups);
                        
@@ -714,8 +761,7 @@ enum winbindd_result winbindd_list_groups(struct winbindd_cli_state *state)
                 ted = Realloc(extra_data, sizeof(fstring) * total_entries);
  
                if (!ted) {
-                       DEBUG(0,("winbindd_list_groups: failed to enlarge "
-                                 "buffer!\n"));
+                       DEBUG(0,("failed to enlarge buffer!\n"));
                        SAFE_FREE(extra_data);
                        return WINBINDD_ERROR;
                } else
@@ -727,9 +773,7 @@ enum winbindd_result winbindd_list_groups(struct winbindd_cli_state *state)
                                            groups.sam_entries)[i].acct_name; 
                        fstring name;
 
-                       snprintf(name, sizeof(name), "%s%s%s", domain->name, 
-                               lp_winbind_separator(), group_name);
-
+                       fill_domain_username(name, domain->name, group_name);
                        /* Append to extra data */                      
                        memcpy(&extra_data[extra_data_len], name, 
                                strlen(name));
@@ -758,22 +802,26 @@ enum winbindd_result winbindd_list_groups(struct winbindd_cli_state *state)
 
 enum winbindd_result winbindd_getgroups(struct winbindd_cli_state *state)
 {
-       fstring name_domain, name_user, name;
+       fstring name_domain, name_user;
        DOM_SID user_sid;
        enum SID_NAME_USE name_type;
-       uint32 user_rid, num_groups, num_gids;
+       uint32 num_groups, num_gids;
        NTSTATUS status;
-       uint32 *user_gids;
+       DOM_SID **user_gids;
        struct winbindd_domain *domain;
        enum winbindd_result result = WINBINDD_ERROR;
        gid_t *gid_list;
-       int i;
+       unsigned int i;
        TALLOC_CTX *mem_ctx;
        
+       /* Ensure null termination */
+       state->request.data.username[sizeof(state->request.data.username)-1]='\0';
+
        DEBUG(3, ("[%5d]: getgroups %s\n", state->pid,
                  state->request.data.username));
 
-       if (!(mem_ctx = talloc_init()))
+       if (!(mem_ctx = talloc_init("winbindd_getgroups(%s)",
+                                         state->request.data.username)))
                return WINBINDD_ERROR;
 
        /* Parse domain and username */
@@ -790,24 +838,23 @@ enum winbindd_result winbindd_getgroups(struct winbindd_cli_state *state)
                goto done;
        }
 
-       slprintf(name, sizeof(name) - 1, "%s\\%s", name_domain, name_user);
-       
        /* Get rid and name type from name.  The following costs 1 packet */
 
-       if (!winbindd_lookup_sid_by_name(domain, name, &user_sid, &name_type)) {
+       if (!winbindd_lookup_sid_by_name(domain, name_user, &user_sid, 
+                                        &name_type)) {
                DEBUG(1, ("user '%s' does not exist\n", name_user));
                goto done;
        }
 
        if (name_type != SID_NAME_USER) {
-               DEBUG(1, ("name '%s' is not a user name: %d\n", name_user, 
-                         name_type));
+               DEBUG(1, ("name '%s' is not a user name: %d\n", 
+                         name_user, name_type));
                goto done;
        }
 
-       sid_split_rid(&user_sid, &user_rid);
-
-       status = domain->methods->lookup_usergroups(domain, mem_ctx, user_rid, &num_groups, &user_gids);
+       status = domain->methods->lookup_usergroups(domain, mem_ctx, 
+                                                   &user_sid, &num_groups, 
+                                                   &user_gids);
        if (!NT_STATUS_IS_OK(status)) goto done;
 
        /* Copy data back to client */
@@ -819,11 +866,16 @@ enum winbindd_result winbindd_getgroups(struct winbindd_cli_state *state)
                goto done;
 
        for (i = 0; i < num_groups; i++) {
-               if (!winbindd_idmap_get_gid_from_rid(domain->name, user_gids[i], &gid_list[num_gids])) {
-                       DEBUG(1, ("unable to convert group rid %d to gid\n", user_gids[i]));
+               gid_t gid;
+               
+               if (NT_STATUS_IS_ERR(sid_to_gid(user_gids[i], &gid))) {
+                       fstring sid_string;
+
+                       DEBUG(1, ("unable to convert group sid %s to gid\n", 
+                                 sid_to_string(sid_string, user_gids[i])));
                        continue;
                }
-                       
+               gid_list[num_gids] = gid;
                num_gids++;
        }