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/*
SSSD
sss_userdel
Copyright (C) Jakub Hrozek <jhrozek@redhat.com> 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 <stdio.h>
#include <stdlib.h>
#include <talloc.h>
#include <popt.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <pwd.h>
#include <unistd.h>
#include "db/sysdb.h"
#include "util/util.h"
#include "tools/tools_util.h"
static void userdel_req_done(struct tevent_req *req)
{
struct ops_ctx *data = tevent_req_callback_data(req, struct ops_ctx);
data->error = sysdb_transaction_commit_recv(req);
data->done = true;
}
/* sysdb callback */
static void userdel_done(void *pvt, int error, struct ldb_result *ignore)
{
struct ops_ctx *data = talloc_get_type(pvt, struct ops_ctx);
struct tevent_req *req;
if (error != EOK) {
goto fail;
}
req = sysdb_transaction_commit_send(data, data->ev, data->handle);
if (!req) {
error = ENOMEM;
goto fail;
}
tevent_req_set_callback(req, userdel_req_done, data);
return;
fail:
/* free transaction */
talloc_zfree(data->handle);
data->error = error;
data->done = true;
}
static void user_del_done(struct tevent_req *subreq);
static void user_del(struct tevent_req *req)
{
struct ops_ctx *data;
struct tevent_req *subreq;
struct ldb_dn *user_dn;
int ret;
data = tevent_req_callback_data(req, struct ops_ctx);
ret = sysdb_transaction_recv(req, data, &data->handle);
if (ret != EOK) {
return userdel_done(data, ret, NULL);
}
user_dn = sysdb_user_dn(data->ctx->sysdb, data,
data->domain->name, data->name);
if (!user_dn) {
DEBUG(1, ("Could not construct a user DN\n"));
return userdel_done(data, ENOMEM, NULL);
}
subreq = sysdb_delete_entry_send(data, data->ev, data->handle, user_dn, false);
if (!subreq)
return userdel_done(data, ENOMEM, NULL);
tevent_req_set_callback(subreq, user_del_done, data);
}
static void user_del_done(struct tevent_req *subreq)
{
struct ops_ctx *data = tevent_req_callback_data(subreq, struct ops_ctx);
int ret;
ret = sysdb_delete_entry_recv(subreq);
return userdel_done(data, ret, NULL);
}
int main(int argc, const char **argv)
{
int ret = EXIT_SUCCESS;
struct ops_ctx *data = NULL;
struct tools_ctx *ctx = NULL;
struct tevent_req *req;
struct passwd *pwd_info;
const char *pc_username = NULL;
int pc_debug = 0;
poptContext pc = NULL;
struct poptOption long_options[] = {
POPT_AUTOHELP
{ "debug", '\0', POPT_ARG_INT | POPT_ARGFLAG_DOC_HIDDEN, &pc_debug,
0, _("The debug level to run with"), NULL },
POPT_TABLEEND
};
debug_prg_name = argv[0];
ret = set_locale();
if (ret != EOK) {
DEBUG(1, ("set_locale failed (%d): %s\n", ret, strerror(ret)));
ERROR("Error setting the locale\n");
ret = EXIT_FAILURE;
goto fini;
}
CHECK_ROOT(ret, debug_prg_name);
ret = init_sss_tools(&ctx);
if(ret != EOK) {
DEBUG(1, ("init_sss_tools failed (%d): %s\n", ret, strerror(ret)));
ERROR("Error initializing the tools\n");
ret = EXIT_FAILURE;
goto fini;
}
data = talloc_zero(NULL, struct ops_ctx);
if (data == NULL) {
DEBUG(1, ("Could not allocate memory for data context\n"));
ERROR("Out of memory\n");
return ENOMEM;
}
data->ctx = ctx;
data->ev = ctx->ev;
/* parse ops_ctx */
pc = poptGetContext(NULL, argc, argv, long_options, 0);
poptSetOtherOptionHelp(pc, "USERNAME");
if ((ret = poptGetNextOpt(pc)) < -1) {
usage(pc, poptStrerror(ret));
ret = EXIT_FAILURE;
goto fini;
}
debug_level = pc_debug;
pc_username = poptGetArg(pc);
if (pc_username == NULL) {
usage(pc, _("Specify user to delete\n"));
ret = EXIT_FAILURE;
goto fini;
}
/* if the domain was not given as part of FQDN, default to local domain */
ret = get_domain(data, pc_username);
if (ret != EOK) {
ERROR("Cannot get domain information\n");
ret = EXIT_FAILURE;
goto fini;
}
/* arguments processed, go on to actual work */
pwd_info = getpwnam(data->name);
if (pwd_info) {
data->uid = pwd_info->pw_uid;
}
if (id_in_range(data->uid, data->domain) != EOK) {
ERROR("The selected UID is outside the allowed range\n");
ret = EXIT_FAILURE;
goto fini;
}
/* userdel */
req = sysdb_transaction_send(ctx, ctx->ev, data->ctx->sysdb);
if (!req) {
DEBUG(1, ("Could not start transaction (%d)[%s]\n", ret, strerror(ret)));
ERROR("Transaction error. Could not remove user.\n");
ret = EXIT_FAILURE;
goto fini;
}
tevent_req_set_callback(req, user_del, data);
while (!data->done) {
tevent_loop_once(ctx->ev);
}
if (data->error) {
ret = data->error;
DEBUG(1, ("sysdb operation failed (%d)[%s]\n", ret, strerror(ret)));
ERROR("Internal error. Could not remove user.\n");
ret = EXIT_FAILURE;
goto fini;
}
ret = EXIT_SUCCESS;
fini:
talloc_free(ctx);
talloc_free(data);
poptFreeContext(pc);
exit(ret);
}
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