diff options
Diffstat (limited to 'source3/winbindd/winbindd_sids_to_xids.c')
| -rw-r--r-- | source3/winbindd/winbindd_sids_to_xids.c | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/source3/winbindd/winbindd_sids_to_xids.c b/source3/winbindd/winbindd_sids_to_xids.c new file mode 100644 index 0000000..187b299 --- /dev/null +++ b/source3/winbindd/winbindd_sids_to_xids.c @@ -0,0 +1,164 @@ +/* + Unix SMB/CIFS implementation. + async implementation of WINBINDD_SIDS_TO_XIDS + Copyright (C) Volker Lendecke 2011 + Copyright (C) Michael Adam 2012 + + 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 "../libcli/security/security.h" + + +struct winbindd_sids_to_xids_state { + struct tevent_context *ev; + struct dom_sid *sids; + uint32_t num_sids; + struct unixid *xids; +}; + +static void winbindd_sids_to_xids_done(struct tevent_req *subreq); + +struct tevent_req *winbindd_sids_to_xids_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_sids_to_xids_state *state; + + req = tevent_req_create(mem_ctx, &state, + struct winbindd_sids_to_xids_state); + if (req == NULL) { + return NULL; + } + state->ev = ev; + + D_NOTICE("[%s (%u)] Winbind external command SIDS_TO_XIDS start.\n", + cli->client_name, + (unsigned int)cli->pid); + + if (request->extra_len == 0) { + tevent_req_done(req); + return tevent_req_post(req, ev); + } + if (request->extra_data.data[request->extra_len-1] != '\0') { + D_DEBUG("Got invalid sids list\n"); + tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER); + return tevent_req_post(req, ev); + } + if (!parse_sidlist(state, request->extra_data.data, + &state->sids, &state->num_sids)) { + D_DEBUG("parse_sidlist failed\n"); + tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER); + return tevent_req_post(req, ev); + } + + D_DEBUG("Resolving %"PRIu32" SID(s).\n", state->num_sids); + + subreq = wb_sids2xids_send(state, ev, state->sids, state->num_sids); + if (tevent_req_nomem(subreq, req)) { + return tevent_req_post(req, ev); + } + + tevent_req_set_callback(subreq, winbindd_sids_to_xids_done, req); + return req; +} + +static void winbindd_sids_to_xids_done(struct tevent_req *subreq) +{ + struct tevent_req *req = tevent_req_callback_data( + subreq, struct tevent_req); + struct winbindd_sids_to_xids_state *state = tevent_req_data( + req, struct winbindd_sids_to_xids_state); + NTSTATUS status; + + state->xids = talloc_zero_array(state, struct unixid, state->num_sids); + if (tevent_req_nomem(state->xids, req)) { + return; + } + + status = wb_sids2xids_recv(subreq, state->xids, state->num_sids); + TALLOC_FREE(subreq); + if (tevent_req_nterror(req, status)) { + return; + } + tevent_req_done(req); +} + +NTSTATUS winbindd_sids_to_xids_recv(struct tevent_req *req, + struct winbindd_response *response) +{ + struct winbindd_sids_to_xids_state *state = tevent_req_data( + req, struct winbindd_sids_to_xids_state); + NTSTATUS status; + char *result = NULL; + uint32_t i; + + D_NOTICE("Winbind external command SIDS_TO_XIDS end.\n"); + if (tevent_req_is_nterror(req, &status)) { + D_WARNING("Could not convert sids: %s\n", nt_errstr(status)); + return status; + } + + result = talloc_strdup(response, ""); + + for (i=0; i<state->num_sids; i++) { + char type = '\0'; + bool found = true; + struct unixid xid; + + xid = state->xids[i]; + + switch (xid.type) { + case ID_TYPE_UID: + type = 'U'; + break; + case ID_TYPE_GID: + type = 'G'; + break; + case ID_TYPE_BOTH: + type = 'B'; + break; + default: + found = false; + break; + } + + if (xid.id == UINT32_MAX) { + found = false; + } + + if (found) { + talloc_asprintf_addbuf( + &result, + "%c%lu\n", + type, + (unsigned long)xid.id); + } else { + talloc_asprintf_addbuf(&result, "\n"); + } + } + + if (result == NULL) { + return NT_STATUS_NO_MEMORY; + } + + response->extra_data.data = result; + response->length += talloc_get_size(result); + + return NT_STATUS_OK; +} |