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-rw-r--r--source3/winbindd/winbindd_getpwent.c162
1 files changed, 162 insertions, 0 deletions
diff --git a/source3/winbindd/winbindd_getpwent.c b/source3/winbindd/winbindd_getpwent.c
new file mode 100644
index 0000000..5a78883
--- /dev/null
+++ b/source3/winbindd/winbindd_getpwent.c
@@ -0,0 +1,162 @@
+/*
+ Unix SMB/CIFS implementation.
+ async implementation of WINBINDD_GETPWENT
+ 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_getpwent_state {
+ struct tevent_context *ev;
+ struct winbindd_cli_state *cli;
+ uint32_t max_users;
+ uint32_t num_users;
+ struct winbindd_pw *users;
+};
+
+static void winbindd_getpwent_done(struct tevent_req *subreq);
+
+struct tevent_req *winbindd_getpwent_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_getpwent_state *state;
+
+ req = tevent_req_create(mem_ctx, &state,
+ struct winbindd_getpwent_state);
+ if (req == NULL) {
+ return NULL;
+ }
+ state->ev = ev;
+ state->num_users = 0;
+ state->cli = cli;
+
+ D_NOTICE("[%s (%u)] Winbind external command GETPWENT start.\n"
+ "The caller (%s) provided room for %d entries.\n",
+ cli->client_name,
+ (unsigned int)cli->pid,
+ cli->client_name,
+ request->data.num_entries);
+
+ if (cli->pwent_state == NULL) {
+ tevent_req_nterror(req, NT_STATUS_NO_MORE_ENTRIES);
+ return tevent_req_post(req, ev);
+ }
+
+ state->max_users = MIN(500, request->data.num_entries);
+ if (state->max_users == 0) {
+ tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
+ return tevent_req_post(req, ev);
+ }
+
+ state->users = talloc_zero_array(state, struct winbindd_pw,
+ state->max_users);
+ if (tevent_req_nomem(state->users, req)) {
+ return tevent_req_post(req, ev);
+ }
+
+ subreq = wb_next_pwent_send(state, ev, cli->pwent_state,
+ &state->users[state->num_users]);
+ if (tevent_req_nomem(subreq, req)) {
+ return tevent_req_post(req, ev);
+ }
+ tevent_req_set_callback(subreq, winbindd_getpwent_done, req);
+ return req;
+}
+
+static void winbindd_getpwent_done(struct tevent_req *subreq)
+{
+ struct tevent_req *req = tevent_req_callback_data(
+ subreq, struct tevent_req);
+ struct winbindd_getpwent_state *state = tevent_req_data(
+ req, struct winbindd_getpwent_state);
+ NTSTATUS status;
+
+ status = wb_next_pwent_recv(subreq);
+ TALLOC_FREE(subreq);
+ if (NT_STATUS_EQUAL(status, NT_STATUS_NO_MORE_ENTRIES)) {
+ D_DEBUG("winbindd_getpwent_done: done with %"PRIu32" users\n",
+ state->num_users);
+ TALLOC_FREE(state->cli->pwent_state);
+ tevent_req_done(req);
+ return;
+ }
+ if (tevent_req_nterror(req, status)) {
+ return;
+ }
+ state->num_users += 1;
+ if (state->num_users >= state->max_users) {
+ D_DEBUG("winbindd_getpwent_done: Got enough users: %"PRIu32"\n",
+ state->num_users);
+ tevent_req_done(req);
+ return;
+ }
+ if (state->cli->pwent_state == NULL) {
+ D_DEBUG("winbindd_getpwent_done: endpwent called in between\n");
+ tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
+ return;
+ }
+ subreq = wb_next_pwent_send(state, state->ev, state->cli->pwent_state,
+ &state->users[state->num_users]);
+ if (tevent_req_nomem(subreq, req)) {
+ return;
+ }
+ tevent_req_set_callback(subreq, winbindd_getpwent_done, req);
+}
+
+NTSTATUS winbindd_getpwent_recv(struct tevent_req *req,
+ struct winbindd_response *response)
+{
+ struct winbindd_getpwent_state *state = tevent_req_data(
+ req, struct winbindd_getpwent_state);
+ NTSTATUS status;
+ uint32_t i;
+
+ if (tevent_req_is_nterror(req, &status)) {
+ TALLOC_FREE(state->cli->pwent_state);
+ D_WARNING("getpwent failed: %s\n", nt_errstr(status));
+ return status;
+ }
+
+ D_NOTICE("Winbind external command GETPWENT end.\n"
+ "Received %"PRIu32" entries.\n"
+ "(name:passwd:uid:gid:gecos:dir:shell)\n",
+ state->num_users);
+
+ if (state->num_users == 0) {
+ return NT_STATUS_NO_MORE_ENTRIES;
+ }
+
+ for (i = 0; i < state->num_users; i++) {
+ D_NOTICE("%"PRIu32": %s:%s:%u:%u:%s:%s:%s\n",
+ i,
+ state->users[i].pw_name,
+ state->users[i].pw_passwd,
+ (unsigned int)state->users[i].pw_uid,
+ (unsigned int)state->users[i].pw_gid,
+ state->users[i].pw_gecos,
+ state->users[i].pw_dir,
+ state->users[i].pw_shell
+ );
+ }
+ response->data.num_entries = state->num_users;
+ response->extra_data.data = talloc_move(response, &state->users);
+ response->length += state->num_users * sizeof(struct winbindd_pw);
+ return NT_STATUS_OK;
+}