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/*
SSSD
sss_groupmod
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 <errno.h>
#include <grp.h>
#include <unistd.h>
#include "util/util.h"
#include "db/sysdb.h"
#include "tools/tools_util.h"
static void mod_group_transaction(struct tevent_req *req)
{
int ret;
struct tools_ctx *tctx = tevent_req_callback_data(req,
struct tools_ctx);
struct tevent_req *subreq;
ret = sysdb_transaction_recv(req, tctx, &tctx->handle);
if (ret) {
tevent_req_error(req, ret);
return;
}
talloc_zfree(req);
/* groupmod */
ret = groupmod(tctx, tctx->ev,
tctx->sysdb, tctx->handle, tctx->octx);
if (ret != EOK) {
goto fail;
}
subreq = sysdb_transaction_commit_send(tctx, tctx->ev, tctx->handle);
if (!subreq) {
ret = ENOMEM;
goto fail;
}
tevent_req_set_callback(subreq, tools_transaction_done, tctx);
return;
fail:
/* free transaction and signal error */
talloc_zfree(tctx->handle);
tctx->transaction_done = true;
tctx->error = ret;
}
int main(int argc, const char **argv)
{
gid_t pc_gid = 0;
int pc_debug = 0;
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 },
{ "append-group", 'a', POPT_ARG_STRING, NULL,
'a', _("Groups to add this group to"), NULL },
{ "remove-group", 'r', POPT_ARG_STRING, NULL,
'r', _("Groups to remove this group from"), NULL },
{ "gid", 'g', POPT_ARG_INT | POPT_ARGFLAG_DOC_HIDDEN, &pc_gid,
0, _("The GID of the group"), NULL },
POPT_TABLEEND
};
poptContext pc = NULL;
struct tools_ctx *tctx = NULL;
char *addgroups = NULL, *rmgroups = NULL;
int ret;
const char *pc_groupname = NULL;
struct tevent_req *req;
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;
}
/* parse parameters */
pc = poptGetContext(NULL, argc, argv, long_options, 0);
poptSetOtherOptionHelp(pc, "GROUPNAME");
while ((ret = poptGetNextOpt(pc)) > 0) {
switch (ret) {
case 'a':
addgroups = poptGetOptArg(pc);
if (addgroups == NULL) {
ret = -1;
}
break;
case 'r':
rmgroups = poptGetOptArg(pc);
if (rmgroups == NULL) {
ret = -1;
}
break;
}
}
if (ret != -1) {
usage(pc, poptStrerror(ret));
ret = EXIT_FAILURE;
goto fini;
}
/* groupname is an argument without --option */
pc_groupname = poptGetArg(pc);
if (pc_groupname == NULL) {
usage(pc, _("Specify group to modify\n"));
ret = EXIT_FAILURE;
goto fini;
}
debug_level = pc_debug;
CHECK_ROOT(ret, debug_prg_name);
ret = init_sss_tools(&tctx);
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;
}
ret = parse_name_domain(tctx, pc_groupname);
if (ret != EOK) {
ERROR("Invalid domain specified in FQDN\n");
ret = EXIT_FAILURE;
goto fini;
}
tctx->octx->gid = pc_gid;
if (addgroups) {
ret = parse_groups(tctx, addgroups, &tctx->octx->addgroups);
if (ret != EOK) {
DEBUG(1, ("Cannot parse groups to add the group to\n"));
ERROR("Internal error while parsing parameters\n");
goto fini;
}
ret = parse_group_name_domain(tctx, tctx->octx->addgroups);
if (ret != EOK) {
DEBUG(1, ("Cannot parse FQDN groups to add the group to\n"));
ERROR("Member groups must be in the same domain as parent group\n");
goto fini;
}
}
if (rmgroups) {
ret = parse_groups(tctx, rmgroups, &tctx->octx->rmgroups);
if (ret != EOK) {
DEBUG(1, ("Cannot parse groups to remove the group from\n"));
ERROR("Internal error while parsing parameters\n");
goto fini;
}
ret = parse_group_name_domain(tctx, tctx->octx->rmgroups);
if (ret != EOK) {
DEBUG(1, ("Cannot parse FQDN groups to remove the group from\n"));
ERROR("Member groups must be in the same domain as parent group\n");
goto fini;
}
}
if (id_in_range(tctx->octx->gid, tctx->octx->domain) != EOK) {
ERROR("The selected GID is outside the allowed range\n");
ret = EXIT_FAILURE;
goto fini;
}
req = sysdb_transaction_send(tctx->octx, tctx->ev, tctx->sysdb);
if (!req) {
DEBUG(1, ("Could not start transaction (%d)[%s]\n", ret, strerror(ret)));
ERROR("Transaction error. Could not modify group.\n");
ret = EXIT_FAILURE;
goto fini;
}
tevent_req_set_callback(req, mod_group_transaction, tctx);
while (!tctx->transaction_done) {
tevent_loop_once(tctx->ev);
}
if (tctx->error) {
ret = tctx->error;
DEBUG(1, ("sysdb operation failed (%d)[%s]\n", ret, strerror(ret)));
switch (ret) {
case ENOENT:
ERROR("Could not modify group - check if member group names are correct\n");
break;
case EFAULT:
ERROR("Could not modify group - check if groupname is correct\n");
break;
default:
ERROR("Transaction error. Could not modify group.\n");
break;
}
ret = EXIT_FAILURE;
goto fini;
}
ret = EXIT_SUCCESS;
fini:
free(addgroups);
free(rmgroups);
poptFreeContext(pc);
talloc_free(tctx);
exit(ret);
}
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