int main(int argc, char **argv) {
hardened_shadow_openlog("useradd");
if (lckpwdf() != 0)
err(EXIT_FAILURE, "lckpwdf");
if (!read_defaults_file())
warnx("failed to read defaults file");
parse_args(argc, argv);
if (flag_defaults)
return (handle_flag_defaults()) ? EXIT_SUCCESS : EXIT_FAILURE;
determine_uid_gid();
if (!flag_no_log_init)
initialize_lastlog();
if (flag_create_home)
create_home_dir();
if (default_create_mail_spool && !flag_system)
create_mail_spool();
create_account();
hardened_shadow_flush_nscd("passwd");
hardened_shadow_flush_nscd("group");
if (ulckpwdf() != 0)
warn("ulckpwdf");
return EXIT_SUCCESS;
}
int main(int argc, const char **argv)
{
uid_t pc_uid = 0;
const char *pc_gecos = NULL;
const char *pc_home = NULL;
char *pc_shell = NULL;
int pc_debug = SSSDBG_DEFAULT;
int pc_create_home = 0;
const char *pc_username = NULL;
const char *pc_skeldir = NULL;
const char *pc_selinux_user = 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 },
{ "uid", 'u', POPT_ARG_INT, &pc_uid, 0, _("The UID 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 },
{ "groups", 'G', POPT_ARG_STRING, NULL, 'G', _("Groups"), NULL },
{ "create-home", 'm', POPT_ARG_NONE, NULL, 'm', _("Create user's directory if it does not exist"), NULL },
{ "no-create-home", 'M', POPT_ARG_NONE, NULL, 'M', _("Never create user's directory, overrides config"), NULL },
{ "skel", 'k', POPT_ARG_STRING, &pc_skeldir, 0, _("Specify an alternative skeleton directory"), NULL },
{ "selinux-user", 'Z', POPT_ARG_STRING, &pc_selinux_user, 0, _("The SELinux user for user's login"), NULL },
POPT_TABLEEND
};
poptContext pc = NULL;
struct tools_ctx *tctx = NULL;
char *groups = NULL;
char *badgroup = NULL;
int ret;
errno_t sret;
bool in_transaction = false;
debug_prg_name = argv[0];
ret = set_locale();
if (ret != EOK) {
DEBUG(SSSDBG_CRIT_FAILURE,
"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 'G':
groups = poptGetOptArg(pc);
if (!groups) {
BAD_POPT_PARAMS(pc, _("Specify group to add to\n"),
ret, fini);
}
break;
case 'm':
pc_create_home = DO_CREATE_HOME;
break;
case 'M':
pc_create_home = DO_NOT_CREATE_HOME;
break;
}
}
DEBUG_CLI_INIT(pc_debug);
if (ret != -1) {
BAD_POPT_PARAMS(pc, poptStrerror(ret), ret, fini);
}
/* username is an argument without --option */
pc_username = poptGetArg(pc);
if (pc_username == NULL) {
BAD_POPT_PARAMS(pc, _("Specify user to add\n"), ret, fini);
}
CHECK_ROOT(ret, debug_prg_name);
ret = init_sss_tools(&tctx);
if (ret != EOK) {
DEBUG(SSSDBG_CRIT_FAILURE,
"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;
}
if (groups) {
ret = parse_groups(tctx, groups, &tctx->octx->addgroups);
if (ret != EOK) {
DEBUG(SSSDBG_CRIT_FAILURE,
"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(SSSDBG_CRIT_FAILURE,
"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 %1$s in local domain\n", badgroup);
ret = EXIT_FAILURE;
goto fini;
}
}
tctx->octx->uid = pc_uid;
/*
* Fills in defaults for ops_ctx user did not specify.
*/
ret = useradd_defaults(tctx, tctx->confdb, tctx->octx,
pc_gecos, pc_home, pc_shell,
pc_create_home, pc_skeldir);
if (ret != EOK) {
ERROR("Cannot set default values\n");
ret = EXIT_FAILURE;
goto fini;
}
/* arguments processed, go on to actual work */
if (id_in_range(tctx->octx->uid, tctx->octx->domain) != EOK) {
ERROR("The selected UID is outside the allowed range\n");
ret = EXIT_FAILURE;
goto fini;
}
tctx->error = sysdb_transaction_start(tctx->sysdb);
if (tctx->error != EOK) {
DEBUG(SSSDBG_CRIT_FAILURE, "Failed to start transaction\n");
goto done;
}
in_transaction = true;
/* useradd */
tctx->error = useradd(tctx, tctx->octx);
if (tctx->error) {
goto done;
}
tctx->error = sysdb_transaction_commit(tctx->sysdb);
if (tctx->error) {
DEBUG(SSSDBG_CRIT_FAILURE, "Failed to commit transaction\n");
goto done;
}
in_transaction = false;
/* Set SELinux login context - must be done after transaction is done
* b/c libselinux calls getpwnam */
ret = set_seuser(tctx->octx->name, pc_selinux_user, NULL);
if (ret != EOK) {
ERROR("Cannot set SELinux login context\n");
ret = EXIT_FAILURE;
goto fini;
}
/* Create user's home directory and/or mail spool */
if (tctx->octx->create_homedir) {
/* We need to know the UID of the user, if
* sysdb did assign it automatically, do a lookup */
if (tctx->octx->uid == 0) {
ret = sysdb_getpwnam_sync(tctx,
tctx->octx->name,
tctx->octx);
if (ret != EOK) {
ERROR("Cannot get info about the user\n");
ret = EXIT_FAILURE;
goto fini;
}
}
ret = create_homedir(tctx->octx->skeldir,
tctx->octx->home,
tctx->octx->uid,
tctx->octx->gid,
tctx->octx->umask);
if (ret == EEXIST) {
ERROR("User's home directory already exists, not copying "
"data from skeldir\n");
} else if (ret != EOK) {
ERROR("Cannot create user's home directory: %1$s\n", strerror(ret));
ret = EXIT_FAILURE;
goto fini;
}
ret = create_mail_spool(tctx,
tctx->octx->name,
tctx->octx->maildir,
tctx->octx->uid,
tctx->octx->gid);
if (ret != EOK) {
ERROR("Cannot create user's mail spool: %1$s\n", strerror(ret));
DEBUG(SSSDBG_CRIT_FAILURE,
"Cannot create user's mail spool: [%d][%s].\n",
ret, strerror(ret));
ret = EXIT_FAILURE;
goto fini;
}
}
done:
if (in_transaction) {
sret = sysdb_transaction_cancel(tctx->sysdb);
if (sret != EOK) {
DEBUG(SSSDBG_CRIT_FAILURE, "Failed to cancel transaction\n");
}
}
if (tctx->error) {
switch (tctx->error) {
case ERANGE:
ERROR("Could not allocate ID for the user - domain full?\n");
break;
case EEXIST:
ERROR("A user or group with the same name or ID already exists\n");
break;
default:
DEBUG(SSSDBG_CRIT_FAILURE, "sysdb operation failed (%d)[%s]\n",
tctx->error, strerror(tctx->error));
ERROR("Transaction error. Could not add user.\n");
break;
}
ret = EXIT_FAILURE;
goto fini;
}
ret = EXIT_SUCCESS;
fini:
poptFreeContext(pc);
talloc_free(tctx);
free(groups);
exit(ret);
}
