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/*
SSSD
sss_groupdel
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 <grp.h>
#include <sys/types.h>
#include <sys/wait.h>
#include "db/sysdb.h"
#include "util/util.h"
#include "tools/tools_util.h"
#ifndef GROUPDEL
#define GROUPDEL SHADOW_UTILS_PATH"/groupdel "
#endif
#ifndef GROUPDEL_GROUPNAME
#define GROUPDEL_GROUPNAME "%s "
#endif
struct group_del_ctx {
struct sysdb_handle *handle;
sysdb_callback_t next_fn;
gid_t gid;
const char *groupname;
struct ldb_dn *group_dn;
struct sss_domain_info *domain;
struct tools_ctx *ctx;
int error;
bool done;
};
/* sysdb callback */
static void groupdel_done(void *pvt, int error, struct ldb_result *ignore)
{
struct group_del_ctx *data = talloc_get_type(pvt, struct group_del_ctx);
data->done = true;
sysdb_transaction_done(data->handle, error);
if (error)
data->error = error;
}
/* sysdb_fn_t */
static void group_del(struct sysdb_handle *handle, void *pvt)
{
struct group_del_ctx *group_ctx;
int ret;
group_ctx = talloc_get_type(pvt, struct group_del_ctx);
group_ctx->handle = handle;
ret = sysdb_delete_entry(handle,
group_ctx->group_dn,
groupdel_done,
group_ctx);
if(ret != EOK)
groupdel_done(group_ctx, ret, NULL);
}
static int groupdel_legacy(struct group_del_ctx *ctx)
{
int ret = EOK;
char *command = NULL;
APPEND_STRING(command, GROUPDEL);
APPEND_PARAM(command, GROUPDEL_GROUPNAME, ctx->groupname);
ret = system(command);
if (ret) {
if (ret == -1) {
DEBUG(1, ("system(3) failed\n"));
} else {
DEBUG(1, ("Could not exec '%s', return code: %d\n", command, WEXITSTATUS(ret)));
}
talloc_free(command);
return EFAULT;
}
talloc_free(command);
return ret;
}
int main(int argc, const char **argv)
{
int ret = EXIT_SUCCESS;
int pc_debug = 0;
struct group_del_ctx *group_ctx = NULL;
struct tools_ctx *ctx = NULL;
struct sss_domain_info *dom;
struct group *grp_info;
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 = 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;
}
group_ctx = talloc_zero(NULL, struct group_del_ctx);
if (group_ctx == NULL) {
DEBUG(1, ("Could not allocate memory for group_ctx context\n"));
ERROR("Out of memory\n");
return ENOMEM;
}
group_ctx->ctx = ctx;
/* parse group_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;
group_ctx->groupname = poptGetArg(pc);
if(group_ctx->groupname == NULL) {
usage(pc, _("Specify group to delete\n"));
ret = EXIT_FAILURE;
goto fini;
}
/* arguments processed, go on to actual work */
grp_info = getgrnam(group_ctx->groupname);
if (grp_info) {
group_ctx->gid = grp_info->gr_gid;
}
ret = find_domain_for_id(ctx, group_ctx->gid, &dom);
switch (ret) {
case ID_IN_LOCAL:
group_ctx->domain = dom;
break;
case ID_IN_LEGACY_LOCAL:
group_ctx->domain = dom;
case ID_OUTSIDE:
ret = groupdel_legacy(group_ctx);
if(ret != EOK) {
ERROR("Cannot delete group from domain using the legacy tools\n");
ret = EXIT_FAILURE;
goto fini;
}
break; /* Also delete possible cached entries in sysdb */
case ID_IN_OTHER:
DEBUG(1, ("Cannot remove group from domain %s\n", dom->name));
ERROR("Unsupported domain type\n");
ret = EXIT_FAILURE;
goto fini;
default:
DEBUG(1, ("Unknown return code %d from find_domain_for_id\n", ret));
ERROR("Error looking up domain\n");
ret = EXIT_FAILURE;
goto fini;
}
group_ctx->group_dn = sysdb_group_dn(ctx->sysdb, ctx,
group_ctx->domain->name,
group_ctx->groupname);
if(group_ctx->group_dn == NULL) {
DEBUG(1, ("Could not construct a group DN\n"));
ERROR("Internal database error. Could not remove group.\n");
ret = EXIT_FAILURE;
goto fini;
}
/* groupdel */
ret = sysdb_transaction(ctx, ctx->sysdb, group_del, group_ctx);
if(ret != EOK) {
DEBUG(1, ("Could not start transaction (%d)[%s]\n", ret, strerror(ret)));
ERROR("Transaction error. Could not remove group.\n");
ret = EXIT_FAILURE;
goto fini;
}
while (!group_ctx->done) {
tevent_loop_once(ctx->ev);
}
if (group_ctx->error) {
ret = group_ctx->error;
DEBUG(1, ("sysdb operation failed (%d)[%s]\n", ret, strerror(ret)));
ERROR("Transaction error. Could not remove group.\n");
ret = EXIT_FAILURE;
goto fini;
}
ret = EXIT_SUCCESS;
fini:
talloc_free(ctx);
talloc_free(group_ctx);
poptFreeContext(pc);
exit(ret);
}
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