diff options
Diffstat (limited to 'source3/winbindd/winbindd_list_users.c')
-rw-r--r-- | source3/winbindd/winbindd_list_users.c | 210 |
1 files changed, 210 insertions, 0 deletions
diff --git a/source3/winbindd/winbindd_list_users.c b/source3/winbindd/winbindd_list_users.c new file mode 100644 index 0000000..7acc3f7 --- /dev/null +++ b/source3/winbindd/winbindd_list_users.c @@ -0,0 +1,210 @@ +/* + Unix SMB/CIFS implementation. + async implementation of WINBINDD_LIST_USERS + 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_winbind_c.h" +#include "lib/util/strv.h" + +struct winbindd_list_users_domstate { + struct tevent_req *subreq; + struct winbindd_domain *domain; + char *users; +}; + +struct winbindd_list_users_state { + size_t num_received; + /* All domains */ + size_t num_domains; + struct winbindd_list_users_domstate *domains; +}; + +static void winbindd_list_users_done(struct tevent_req *subreq); + +struct tevent_req *winbindd_list_users_send(TALLOC_CTX *mem_ctx, + struct tevent_context *ev, + struct winbindd_cli_state *cli, + struct winbindd_request *request) +{ + struct tevent_req *req; + struct winbindd_list_users_state *state; + struct winbindd_domain *domain; + size_t i; + + req = tevent_req_create(mem_ctx, &state, + struct winbindd_list_users_state); + if (req == NULL) { + return NULL; + } + D_NOTICE("[%s (%u)] Winbind external command LIST_USERS start.\n" + "WBFLAG_FROM_NSS is %s, winbind enum users is %d.\n", + cli->client_name, + (unsigned int)cli->pid, + request->wb_flags & WBFLAG_FROM_NSS ? "Set" : "Unset", + lp_winbind_enum_users()); + + if (request->wb_flags & WBFLAG_FROM_NSS && !lp_winbind_enum_users()) { + tevent_req_done(req); + return tevent_req_post(req, ev); + } + + /* Ensure null termination */ + request->domain_name[sizeof(request->domain_name)-1]='\0'; + + D_NOTICE("Listing users for domain %s\n", request->domain_name); + if (request->domain_name[0] != '\0') { + state->num_domains = 1; + } else { + state->num_domains = 0; + for (domain = domain_list(); domain; domain = domain->next) { + state->num_domains += 1; + } + } + + state->domains = talloc_array(state, + struct winbindd_list_users_domstate, + state->num_domains); + if (tevent_req_nomem(state->domains, req)) { + return tevent_req_post(req, ev); + } + + if (request->domain_name[0] != '\0') { + state->domains[0].domain = find_domain_from_name_noinit( + request->domain_name); + if (state->domains[0].domain == NULL) { + tevent_req_nterror(req, NT_STATUS_NO_SUCH_DOMAIN); + return tevent_req_post(req, ev); + } + } else { + i = 0; + for (domain = domain_list(); domain; domain = domain->next) { + state->domains[i++].domain = domain; + } + } + + for (i=0; i<state->num_domains; i++) { + struct winbindd_list_users_domstate *d = &state->domains[i]; + + d->subreq = wb_query_user_list_send( + state->domains, ev, d->domain); + if (tevent_req_nomem(d->subreq, req)) { + TALLOC_FREE(state->domains); + return tevent_req_post(req, ev); + } + tevent_req_set_callback(d->subreq, winbindd_list_users_done, + req); + } + state->num_received = 0; + return req; +} + +static void winbindd_list_users_done(struct tevent_req *subreq) +{ + struct tevent_req *req = tevent_req_callback_data( + subreq, struct tevent_req); + struct winbindd_list_users_state *state = tevent_req_data( + req, struct winbindd_list_users_state); + struct winbindd_list_users_domstate *d; + NTSTATUS status; + size_t i; + + for (i=0; i<state->num_domains; i++) { + if (subreq == state->domains[i].subreq) { + break; + } + } + if (i == state->num_domains) { + tevent_req_nterror(req, NT_STATUS_INTERNAL_ERROR); + return; + } + + d = &state->domains[i]; + + status = wb_query_user_list_recv(subreq, state->domains, + &d->users); + TALLOC_FREE(subreq); + if (!NT_STATUS_IS_OK(status)) { + /* + * Just skip this domain + */ + d->users = NULL; + } + + state->num_received += 1; + + if (state->num_received >= state->num_domains) { + tevent_req_done(req); + } +} + +NTSTATUS winbindd_list_users_recv(struct tevent_req *req, + struct winbindd_response *response) +{ + struct winbindd_list_users_state *state = tevent_req_data( + req, struct winbindd_list_users_state); + NTSTATUS status; + char *result; + size_t i, len; + + D_NOTICE("Winbind external command LIST_USERS end.\n"); + if (tevent_req_is_nterror(req, &status)) { + D_WARNING("Failed with %s.\n", nt_errstr(status)); + return status; + } + + result = NULL; + + for (i=0; i<state->num_domains; i++) { + struct winbindd_list_users_domstate *d = &state->domains[i]; + int ret; + + if (d->users == NULL) { + continue; + } + + ret = strv_append(state, &result, d->users); + if (ret != 0) { + return map_nt_error_from_unix(ret); + } + } + + len = talloc_get_size(result); + + response->extra_data.data = talloc_steal(response, result); + response->length += len; + response->data.num_entries = 0; + + if (result != NULL && len >= 1) { + len -= 1; + response->data.num_entries = 1; + + for (i=0; i<len; i++) { + if (result[i] == '\0') { + result[i] = ','; + response->data.num_entries += 1; + } + } + } + + D_NOTICE("Got %"PRIu32" user(s):\n%s\n", + response->data.num_entries, + result); + + return NT_STATUS_OK; +} |