diff options
Diffstat (limited to 'src/tools/sss_usermod.c')
| -rw-r--r-- | src/tools/sss_usermod.c | 265 |
1 files changed, 265 insertions, 0 deletions
diff --git a/src/tools/sss_usermod.c b/src/tools/sss_usermod.c new file mode 100644 index 000000000..a272bc55e --- /dev/null +++ b/src/tools/sss_usermod.c @@ -0,0 +1,265 @@ +/* + SSSD + + sss_usermod + + 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 <pwd.h> +#include <unistd.h> + +#include "util/util.h" +#include "db/sysdb.h" +#include "tools/tools_util.h" +#include "tools/sss_sync_ops.h" + +int main(int argc, const char **argv) +{ + int pc_lock = 0; + uid_t pc_uid = 0; + gid_t pc_gid = 0; + char *pc_gecos = NULL; + char *pc_home = NULL; + char *pc_shell = NULL; + 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 }, + { "uid", 'u', POPT_ARG_INT | POPT_ARGFLAG_DOC_HIDDEN, &pc_uid, 0, _("The UID of the user"), NULL }, + { "gid", 'g', POPT_ARG_INT | POPT_ARGFLAG_DOC_HIDDEN, &pc_gid, 0, _("The GID of the user"), NULL }, + { "gecos", 'c', POPT_ARG_STRING, &pc_gecos, 0, _("The comment string"), NULL }, + { "home", 'h', POPT_ARG_STRING, &pc_home, 0, _("Home directory"), NULL }, + { "shell", 's', POPT_ARG_STRING, &pc_shell, 0, _("Login shell"), NULL }, + { "append-group", 'a', POPT_ARG_STRING, NULL, 'a', _("Groups to add this user to"), NULL }, + { "remove-group", 'r', POPT_ARG_STRING, NULL, 'r', _("Groups to remove this user from"), NULL }, + { "lock", 'L', POPT_ARG_NONE, NULL, 'L', _("Lock the account"), NULL }, + { "unlock", 'U', POPT_ARG_NONE, NULL, 'U', _("Unlock the account"), NULL }, + POPT_TABLEEND + }; + poptContext pc = NULL; + char *addgroups = NULL, *rmgroups = NULL; + int ret; + const char *pc_username = NULL; + struct tools_ctx *tctx = NULL; + char *badgroup = NULL; + + 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, "USERNAME"); + 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; + + case 'L': + pc_lock = DO_LOCK; + break; + + case 'U': + pc_lock = DO_UNLOCK; + break; + } + } + + if (ret != -1) { + usage(pc, poptStrerror(ret)); + ret = EXIT_FAILURE; + goto fini; + } + + debug_level = pc_debug; + + /* username is an argument without --option */ + pc_username = poptGetArg(pc); + if (pc_username == NULL) { + usage(pc, _("Specify user to modify\n")); + ret = EXIT_FAILURE; + goto fini; + } + + 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))); + if (ret == ENOENT) { + ERROR("Error initializing the tools - no local domain\n"); + } else { + ERROR("Error initializing the tools\n"); + } + ret = EXIT_FAILURE; + goto fini; + } + + /* if the domain was not given as part of FQDN, default to local domain */ + ret = parse_name_domain(tctx, pc_username); + if (ret != EOK) { + ERROR("Invalid domain specified in FQDN\n"); + ret = EXIT_FAILURE; + goto fini; + } + /* check the username to be able to give sensible error message */ + ret = sysdb_getpwnam_sync(tctx, tctx->ev, tctx->sysdb, + tctx->octx->name, tctx->local, + &tctx->octx); + if (ret != EOK) { + ERROR("Cannot find user in local domain, " + "modifying users is allowed only in local domain\n"); + ret = EXIT_FAILURE; + goto fini; + } + + if (id_in_range(tctx->octx->uid, tctx->octx->domain) != EOK) { + ERROR("The selected UID is outside the allowed range\n"); + ret = EXIT_FAILURE; + goto fini; + } + + if (addgroups) { + ret = parse_groups(tctx, addgroups, &tctx->octx->addgroups); + if (ret != EOK) { + DEBUG(1, ("Cannot parse groups to add the user to\n")); + ERROR("Internal error while parsing parameters\n"); + ret = EXIT_FAILURE; + goto fini; + } + + ret = parse_group_name_domain(tctx, tctx->octx->addgroups); + if (ret != EOK) { + DEBUG(1, ("Cannot parse FQDN groups to add the user to\n")); + ERROR("Groups must be in the same domain as user\n"); + ret = EXIT_FAILURE; + goto fini; + } + + /* Check group names in the LOCAL domain */ + ret = check_group_names(tctx, tctx->octx->addgroups, &badgroup); + if (ret != EOK) { + ERROR("Cannot find group %s in local domain, " + "only groups in local domain are allowed\n", badgroup); + ret = EXIT_FAILURE; + goto fini; + } + } + + if (rmgroups) { + ret = parse_groups(tctx, rmgroups, &tctx->octx->rmgroups); + if (ret != EOK) { + DEBUG(1, ("Cannot parse groups to remove the user from\n")); + ERROR("Internal error while parsing parameters\n"); + ret = EXIT_FAILURE; + goto fini; + } + + ret = parse_group_name_domain(tctx, tctx->octx->rmgroups); + if (ret != EOK) { + DEBUG(1, ("Cannot parse FQDN groups to remove the user from\n")); + ERROR("Groups must be in the same domain as user\n"); + ret = EXIT_FAILURE; + goto fini; + } + + /* Check group names in the LOCAL domain */ + ret = check_group_names(tctx, tctx->octx->rmgroups, &badgroup); + if (ret != EOK) { + ERROR("Cannot find group %s in local domain, " + "only groups in local domain are allowed\n", badgroup); + ret = EXIT_FAILURE; + goto fini; + } + } + + tctx->octx->gecos = pc_gecos; + tctx->octx->home = pc_home; + tctx->octx->shell = pc_shell; + tctx->octx->uid = pc_uid; + tctx->octx->gid = pc_gid; + tctx->octx->lock = pc_lock; + + start_transaction(tctx); + if (tctx->error != EOK) { + goto done; + } + + /* usermod */ + ret = usermod(tctx, tctx->ev, tctx->sysdb, tctx->handle, tctx->octx); + if (ret != EOK) { + tctx->error = ret; + + /* cancel transaction */ + talloc_zfree(tctx->handle); + goto done; + } + + end_transaction(tctx); + +done: + if (tctx->error) { + ret = tctx->error; + switch (ret) { + case ENOENT: + ERROR("Could not modify user - check if group names are correct\n"); + break; + + case EFAULT: + ERROR("Could not modify user - user already member of groups?\n"); + break; + + default: + ERROR("Transaction error. Could not modify user.\n"); + break; + } + + ret = EXIT_FAILURE; + goto fini; + } + + ret = EXIT_SUCCESS; + +fini: + free(addgroups); + free(rmgroups); + poptFreeContext(pc); + talloc_free(tctx); + exit(ret); +} |