1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
4 This file is part of systemd.
6 Copyright 2010 Lennart Poettering
8 systemd is free software; you can redistribute it and/or modify it
9 under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 systemd is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with systemd; If not, see <http://www.gnu.org/licenses/>.
22 #include <sys/socket.h>
24 #include <sys/types.h>
32 #include <sys/signalfd.h>
41 #include "ask-password-api.h"
43 static const char *arg_icon = NULL;
44 static const char *arg_message = NULL;
45 static bool arg_use_tty = true;
46 static usec_t arg_timeout = 60 * USEC_PER_SEC;
48 static int help(void) {
50 printf("%s [OPTIONS...] MESSAGE\n\n"
51 "Query the user for a system passphrase, via the TTY or an UI agent.\n\n"
52 " -h --help Show this help\n"
53 " --icon=NAME Icon name\n"
54 " --timeout=SEC Timeout in sec\n"
55 " --no-tty Ask question via agent even on TTY\n",
56 program_invocation_short_name);
61 static int parse_argv(int argc, char *argv[]) {
69 static const struct option options[] = {
70 { "help", no_argument, NULL, 'h' },
71 { "icon", required_argument, NULL, ARG_ICON },
72 { "timeout", required_argument, NULL, ARG_TIMEOUT },
73 { "no-tty", no_argument, NULL, ARG_NO_TTY },
82 while ((c = getopt_long(argc, argv, "h", options, NULL)) >= 0) {
95 if (parse_usec(optarg, &arg_timeout) < 0 || arg_timeout <= 0) {
96 log_error("Failed to parse --timeout parameter %s", optarg);
109 log_error("Unknown option code %c", c);
114 if (optind != argc-1) {
119 arg_message = argv[optind];
123 int main(int argc, char *argv[]) {
125 char *password = NULL;
127 log_parse_environment();
130 if ((r = parse_argv(argc, argv)) <= 0)
133 if (arg_use_tty && isatty(STDIN_FILENO))
134 r = ask_password_tty(arg_message, now(CLOCK_MONOTONIC) + arg_timeout, NULL, &password);
136 r = ask_password_agent(arg_message, arg_icon, now(CLOCK_MONOTONIC) + arg_timeout, &password);
139 fputs(password, stdout);
146 return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;