diff options
Diffstat (limited to 'source3/winbindd/winbindd_getgrgid.c')
| -rw-r--r-- | source3/winbindd/winbindd_getgrgid.c | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/source3/winbindd/winbindd_getgrgid.c b/source3/winbindd/winbindd_getgrgid.c new file mode 100644 index 0000000..4edd81b --- /dev/null +++ b/source3/winbindd/winbindd_getgrgid.c @@ -0,0 +1,156 @@ +/* + Unix SMB/CIFS implementation. + async implementation of WINBINDD_GETGRGID + 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 "libcli/security/dom_sid.h" + +struct winbindd_getgrgid_state { + struct tevent_context *ev; + struct unixid xid; + struct dom_sid *sid; + const char *domname; + const char *name; + gid_t gid; + struct db_context *members; +}; + +static void winbindd_getgrgid_gid2sid_done(struct tevent_req *subreq); +static void winbindd_getgrgid_done(struct tevent_req *subreq); + +struct tevent_req *winbindd_getgrgid_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_getgrgid_state *state; + + req = tevent_req_create(mem_ctx, &state, + struct winbindd_getgrgid_state); + if (req == NULL) { + return NULL; + } + state->ev = ev; + + D_NOTICE("[%s (%u)] Winbind external command GETGRGID start.\n" + "gid=%u\n", + cli->client_name, + (unsigned int)cli->pid, + (int)request->data.gid); + + state->xid = (struct unixid) { + .id = request->data.uid, .type = ID_TYPE_GID }; + + subreq = wb_xids2sids_send(state, ev, &state->xid, 1); + if (tevent_req_nomem(subreq, req)) { + return tevent_req_post(req, ev); + } + tevent_req_set_callback(subreq, winbindd_getgrgid_gid2sid_done, + req); + return req; +} + +static void winbindd_getgrgid_gid2sid_done(struct tevent_req *subreq) +{ + struct tevent_req *req = tevent_req_callback_data( + subreq, struct tevent_req); + struct winbindd_getgrgid_state *state = tevent_req_data( + req, struct winbindd_getgrgid_state); + NTSTATUS status; + + status = wb_xids2sids_recv(subreq, state, &state->sid); + TALLOC_FREE(subreq); + if (tevent_req_nterror(req, status)) { + return; + } + if (is_null_sid(state->sid)) { + 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_getgrgid_done, req); +} + +static void winbindd_getgrgid_done(struct tevent_req *subreq) +{ + struct tevent_req *req = tevent_req_callback_data( + subreq, struct tevent_req); + struct winbindd_getgrgid_state *state = tevent_req_data( + req, struct winbindd_getgrgid_state); + NTSTATUS status; + + status = wb_getgrsid_recv(subreq, state, &state->domname, &state->name, + &state->gid, &state->members); + TALLOC_FREE(subreq); + if (tevent_req_nterror(req, status)) { + return; + } + tevent_req_done(req); +} + +NTSTATUS winbindd_getgrgid_recv(struct tevent_req *req, + struct winbindd_response *response) +{ + struct winbindd_getgrgid_state *state = tevent_req_data( + req, struct winbindd_getgrgid_state); + NTSTATUS status; + int num_members; + char *buf; + + if (tevent_req_is_nterror(req, &status)) { + struct dom_sid_buf sidbuf; + D_WARNING("Could not convert sid %s: %s\n", + dom_sid_str_buf(state->sid, &sidbuf), + nt_errstr(status)); + return status; + } + + if (!fill_grent(talloc_tos(), &response->data.gr, state->domname, + state->name, state->gid)) { + D_WARNING("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)) { + D_WARNING("Failed with %s.\n", nt_errstr(status)); + return status; + } + + response->data.gr.num_gr_mem = (uint32_t)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); + + D_NOTICE("Winbind external command GETGRGID end.\n" + "Returning %"PRIu32" group member(s).\n", + response->data.gr.num_gr_mem); + + return NT_STATUS_OK; +} |