/* Unix SMB/CIFS implementation. async implementation of WINBINDD_GETGRNAM Copyright (C) Volker Lendecke 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 the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. */ #include "includes.h" #include "winbindd.h" struct winbindd_getgrnam_state { struct tevent_context *ev; fstring name_domain, name_group; struct dom_sid sid; const char *domname; const char *name; gid_t gid; struct talloc_dict *members; }; static void winbindd_getgrnam_lookupsid_done(struct tevent_req *subreq); static void winbindd_getgrnam_done(struct tevent_req *subreq); struct tevent_req *winbindd_getgrnam_send(TALLOC_CTX *mem_ctx, struct tevent_context *ev, struct winbindd_cli_state *cli, struct winbindd_request *request) { struct tevent_req *req, *subreq; struct winbindd_getgrnam_state *state; char *tmp; NTSTATUS nt_status; req = tevent_req_create(mem_ctx, &state, struct winbindd_getgrnam_state); if (req == NULL) { return NULL; } state->ev = ev; /* Ensure null termination */ request->data.groupname[sizeof(request->data.groupname)-1]='\0'; DEBUG(3, ("getgrnam %s\n", request->data.groupname)); nt_status = normalize_name_unmap(state, request->data.groupname, &tmp); /* If we didn't map anything in the above call, just reset the tmp pointer to the original string */ if (!NT_STATUS_IS_OK(nt_status) && !NT_STATUS_EQUAL(nt_status, NT_STATUS_FILE_RENAMED)) { tmp = request->data.groupname; } /* Parse domain and groupname */ parse_domain_user(tmp, state->name_domain, state->name_group); /* if no domain or our local domain and no local tdb group, default to * our local domain for aliases */ if ( !*(state->name_domain) || strequal(state->name_domain, get_global_sam_name()) ) { fstrcpy(state->name_domain, get_global_sam_name()); } subreq = wb_lookupname_send(state, ev, state->name_domain, state->name_group, 0); if (tevent_req_nomem(subreq, req)) { return tevent_req_post(req, ev); } tevent_req_set_callback(subreq, winbindd_getgrnam_lookupsid_done, req); return req; } static void winbindd_getgrnam_lookupsid_done(struct tevent_req *subreq) { struct tevent_req *req = tevent_req_callback_data( subreq, struct tevent_req); struct winbindd_getgrnam_state *state = tevent_req_data( req, struct winbindd_getgrnam_state); enum lsa_SidType type; NTSTATUS status; status = wb_lookupname_recv(subreq, &state->sid, &type); TALLOC_FREE(subreq); if (!NT_STATUS_IS_OK(status)) { tevent_req_nterror(req, status); return; } if ( (type != SID_NAME_DOM_GRP) && (type != SID_NAME_ALIAS) ) { DEBUG(5,("getgrnam_recv: not a group!\n")); tevent_req_nterror(req, NT_STATUS_NO_SUCH_GROUP); return; } subreq = wb_getgrsid_send(state, state->ev, &state->sid, lp_winbind_expand_groups()); if (tevent_req_nomem(subreq, req)) { return; } tevent_req_set_callback(subreq, winbindd_getgrnam_done, req); } static void winbindd_getgrnam_done(struct tevent_req *subreq) { struct tevent_req *req = tevent_req_callback_data( subreq, struct tevent_req); struct winbindd_getgrnam_state *state = tevent_req_data( req, struct winbindd_getgrnam_state); NTSTATUS status; status = wb_getgrsid_recv(subreq, state, &state->domname, &state->name, &state->gid, &state->members); TALLOC_FREE(subreq); if (!NT_STATUS_IS_OK(status)) { tevent_req_nterror(req, status); return; } tevent_req_done(req); } NTSTATUS winbindd_getgrnam_recv(struct tevent_req *req, struct winbindd_response *response) { struct winbindd_getgrnam_state *state = tevent_req_data( req, struct winbindd_getgrnam_state); NTSTATUS status; int num_members; char *buf; if (tevent_req_is_nterror(req, &status)) { DEBUG(5, ("Could not convert sid %s: %s\n", sid_string_dbg(&state->sid), nt_errstr(status))); return status; } if (!fill_grent(talloc_tos(), &response->data.gr, state->domname, state->name, state->gid)) { DEBUG(5, ("fill_grent failed\n")); return NT_STATUS_NO_MEMORY; } status = winbindd_print_groupmembers(state->members, response, &num_members, &buf); if (!NT_STATUS_IS_OK(status)) { return status; } response->data.gr.num_gr_mem = (uint32)num_members; /* Group membership lives at start of extra data */ response->data.gr.gr_mem_ofs = 0; response->extra_data.data = buf; response->length += talloc_get_size(response->extra_data.data); return NT_STATUS_OK; }