/* Unix SMB/CIFS implementation. async implementation of WINBINDD_LOOKUPRIDS 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" #include "librpc/gen_ndr/ndr_wbint_c.h" #include "../libcli/security/security.h" struct winbindd_lookuprids_state { struct tevent_context *ev; struct dom_sid domain_sid; const char *domain_name; struct wbint_RidArray rids; struct wbint_Principals names; }; static bool parse_ridlist(TALLOC_CTX *mem_ctx, char *ridstr, uint32_t **prids, uint32_t *pnum_rids); static void winbindd_lookuprids_done(struct tevent_req *subreq); struct tevent_req *winbindd_lookuprids_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_lookuprids_state *state; struct winbindd_domain *domain; req = tevent_req_create(mem_ctx, &state, struct winbindd_lookuprids_state); if (req == NULL) { return NULL; } state->ev = ev; /* Ensure null termination */ request->data.sid[sizeof(request->data.sid)-1]='\0'; DEBUG(3, ("lookuprids (%s)\n", request->data.sid)); if (!string_to_sid(&state->domain_sid, request->data.sid)) { DEBUG(5, ("%s not a SID\n", request->data.sid)); tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER); return tevent_req_post(req, ev); } domain = find_lookup_domain_from_sid(&state->domain_sid); if (domain == NULL) { DEBUG(5, ("Domain for sid %s not found\n", sid_string_dbg(&state->domain_sid))); tevent_req_nterror(req, NT_STATUS_NO_SUCH_DOMAIN); return tevent_req_post(req, ev); } if (request->extra_data.data[request->extra_len-1] != '\0') { DEBUG(5, ("extra_data not 0-terminated\n")); tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER); return tevent_req_post(req, ev); } if (!parse_ridlist(state, request->extra_data.data, &state->rids.rids, &state->rids.num_rids)) { DEBUG(5, ("parse_ridlist failed\n")); tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER); return tevent_req_post(req, ev); } subreq = dcerpc_wbint_LookupRids_send( state, ev, dom_child_handle(domain), &state->domain_sid, &state->rids, &state->domain_name, &state->names); if (tevent_req_nomem(subreq, req)) { return tevent_req_post(req, ev); } tevent_req_set_callback(subreq, winbindd_lookuprids_done, req); return req; } static void winbindd_lookuprids_done(struct tevent_req *subreq) { struct tevent_req *req = tevent_req_callback_data( subreq, struct tevent_req); struct winbindd_lookuprids_state *state = tevent_req_data( req, struct winbindd_lookuprids_state); NTSTATUS status, result; status = dcerpc_wbint_LookupRids_recv(subreq, state, &result); TALLOC_FREE(subreq); if (any_nt_status_not_ok(status, result, &status)) { tevent_req_nterror(req, status); return; } tevent_req_done(req); } NTSTATUS winbindd_lookuprids_recv(struct tevent_req *req, struct winbindd_response *response) { struct winbindd_lookuprids_state *state = tevent_req_data( req, struct winbindd_lookuprids_state); NTSTATUS status; char *result; int i; if (tevent_req_is_nterror(req, &status)) { DEBUG(5, ("Lookuprids failed: %s\n",nt_errstr(status))); return status; } result = talloc_strdup(response, ""); if (result == NULL) { return NT_STATUS_NO_MEMORY; } for (i=0; i<state->names.num_principals; i++) { struct wbint_Principal *p = &state->names.principals[i]; result = talloc_asprintf_append_buffer( result, "%d %s\n", (int)p->type, p->name); if (result == NULL) { return NT_STATUS_NO_MEMORY; } } fstrcpy(response->data.domain_name, state->domain_name); response->extra_data.data = result; response->length += talloc_get_size(result); return NT_STATUS_OK; } static bool parse_ridlist(TALLOC_CTX *mem_ctx, char *ridstr, uint32_t **prids, uint32_t *pnum_rids) { uint32_t i, num_rids; uint32_t *rids; char *p; if (ridstr == NULL) { return false; } p = ridstr; num_rids = 0; /* count rids */ while ((p = strchr(p, '\n')) != NULL) { p += 1; num_rids += 1; } if (num_rids == 0) { *pnum_rids = 0; *prids = NULL; return true; } rids = talloc_array(mem_ctx, uint32_t, num_rids); if (rids == NULL) { return false; } p = ridstr; for (i=0; i<num_rids; i++) { char *q; rids[i] = strtoul(p, &q, 10); if (*q != '\n') { DEBUG(0, ("Got invalid ridstr: %s\n", p)); return false; } p = q+1; } *pnum_rids = num_rids; *prids = rids; return true; }