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https://github.com/AuxXxilium/eudev.git
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185 lines
5.3 KiB
C
185 lines
5.3 KiB
C
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
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/***
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This file is part of systemd.
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Copyright 2010 Lennart Poettering
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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#include <sys/socket.h>
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#include <sys/poll.h>
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#include <sys/types.h>
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#include <assert.h>
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#include <string.h>
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#include <errno.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <sys/un.h>
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#include <sys/stat.h>
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#include <sys/signalfd.h>
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#include <getopt.h>
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#include <termios.h>
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#include <limits.h>
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#include <stddef.h>
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#include "log.h"
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#include "macro.h"
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#include "util.h"
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#include "strv.h"
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#include "ask-password-api.h"
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#include "def.h"
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static const char *arg_icon = NULL;
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static const char *arg_message = NULL;
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static bool arg_use_tty = true;
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static usec_t arg_timeout = DEFAULT_TIMEOUT_USEC;
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static bool arg_accept_cached = false;
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static bool arg_multiple = false;
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static int help(void) {
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printf("%s [OPTIONS...] MESSAGE\n\n"
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"Query the user for a system passphrase, via the TTY or an UI agent.\n\n"
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" -h --help Show this help\n"
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" --icon=NAME Icon name\n"
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" --timeout=SEC Timeout in sec\n"
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" --no-tty Ask question via agent even on TTY\n"
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" --accept-cached Accept cached passwords\n"
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" --multiple List multiple passwords if available\n",
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program_invocation_short_name);
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return 0;
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}
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static int parse_argv(int argc, char *argv[]) {
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enum {
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ARG_ICON = 0x100,
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ARG_TIMEOUT,
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ARG_NO_TTY,
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ARG_ACCEPT_CACHED,
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ARG_MULTIPLE
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};
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static const struct option options[] = {
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{ "help", no_argument, NULL, 'h' },
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{ "icon", required_argument, NULL, ARG_ICON },
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{ "timeout", required_argument, NULL, ARG_TIMEOUT },
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{ "no-tty", no_argument, NULL, ARG_NO_TTY },
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{ "accept-cached", no_argument, NULL, ARG_ACCEPT_CACHED },
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{ "multiple", no_argument, NULL, ARG_MULTIPLE },
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{ NULL, 0, NULL, 0 }
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};
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int c;
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assert(argc >= 0);
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assert(argv);
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while ((c = getopt_long(argc, argv, "h", options, NULL)) >= 0) {
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switch (c) {
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case 'h':
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help();
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return 0;
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case ARG_ICON:
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arg_icon = optarg;
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break;
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case ARG_TIMEOUT:
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if (parse_usec(optarg, &arg_timeout) < 0) {
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log_error("Failed to parse --timeout parameter %s", optarg);
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return -EINVAL;
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}
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break;
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case ARG_NO_TTY:
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arg_use_tty = false;
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break;
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case ARG_ACCEPT_CACHED:
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arg_accept_cached = true;
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break;
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case ARG_MULTIPLE:
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arg_multiple = true;
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break;
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case '?':
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return -EINVAL;
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default:
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log_error("Unknown option code %c", c);
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return -EINVAL;
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}
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}
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if (optind != argc-1) {
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help();
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return -EINVAL;
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}
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arg_message = argv[optind];
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return 1;
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}
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int main(int argc, char *argv[]) {
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int r;
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usec_t timeout;
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log_parse_environment();
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log_open();
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if ((r = parse_argv(argc, argv)) <= 0)
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goto finish;
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if (arg_timeout > 0)
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timeout = now(CLOCK_MONOTONIC) + arg_timeout;
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else
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timeout = 0;
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if (arg_use_tty && isatty(STDIN_FILENO)) {
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char *password = NULL;
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if ((r = ask_password_tty(arg_message, timeout, NULL, &password)) >= 0) {
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puts(password);
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free(password);
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}
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} else {
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char **l;
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if ((r = ask_password_agent(arg_message, arg_icon, timeout, arg_accept_cached, &l)) >= 0) {
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char **p;
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STRV_FOREACH(p, l) {
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puts(*p);
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if (!arg_multiple)
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break;
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}
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strv_free(l);
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}
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}
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finish:
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return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
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}
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