summaryrefslogtreecommitdiff
path: root/src/ask-password
diff options
context:
space:
mode:
Diffstat (limited to 'src/ask-password')
-rw-r--r--src/ask-password/ask-password.c184
1 files changed, 184 insertions, 0 deletions
diff --git a/src/ask-password/ask-password.c b/src/ask-password/ask-password.c
new file mode 100644
index 0000000000..5f675700f8
--- /dev/null
+++ b/src/ask-password/ask-password.c
@@ -0,0 +1,184 @@
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+/***
+ This file is part of systemd.
+
+ Copyright 2010 Lennart Poettering
+
+ systemd is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 2.1 of the License, or
+ (at your option) any later version.
+
+ systemd 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include <sys/socket.h>
+#include <sys/poll.h>
+#include <sys/types.h>
+#include <assert.h>
+#include <string.h>
+#include <errno.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <sys/un.h>
+#include <sys/stat.h>
+#include <sys/signalfd.h>
+#include <getopt.h>
+#include <termios.h>
+#include <limits.h>
+#include <stddef.h>
+
+#include "log.h"
+#include "macro.h"
+#include "util.h"
+#include "strv.h"
+#include "ask-password-api.h"
+#include "def.h"
+
+static const char *arg_icon = NULL;
+static const char *arg_message = NULL;
+static bool arg_use_tty = true;
+static usec_t arg_timeout = DEFAULT_TIMEOUT_USEC;
+static bool arg_accept_cached = false;
+static bool arg_multiple = false;
+
+static int help(void) {
+
+ printf("%s [OPTIONS...] MESSAGE\n\n"
+ "Query the user for a system passphrase, via the TTY or an UI agent.\n\n"
+ " -h --help Show this help\n"
+ " --icon=NAME Icon name\n"
+ " --timeout=SEC Timeout in sec\n"
+ " --no-tty Ask question via agent even on TTY\n"
+ " --accept-cached Accept cached passwords\n"
+ " --multiple List multiple passwords if available\n",
+ program_invocation_short_name);
+
+ return 0;
+}
+
+static int parse_argv(int argc, char *argv[]) {
+
+ enum {
+ ARG_ICON = 0x100,
+ ARG_TIMEOUT,
+ ARG_NO_TTY,
+ ARG_ACCEPT_CACHED,
+ ARG_MULTIPLE
+ };
+
+ static const struct option options[] = {
+ { "help", no_argument, NULL, 'h' },
+ { "icon", required_argument, NULL, ARG_ICON },
+ { "timeout", required_argument, NULL, ARG_TIMEOUT },
+ { "no-tty", no_argument, NULL, ARG_NO_TTY },
+ { "accept-cached", no_argument, NULL, ARG_ACCEPT_CACHED },
+ { "multiple", no_argument, NULL, ARG_MULTIPLE },
+ { NULL, 0, NULL, 0 }
+ };
+
+ int c;
+
+ assert(argc >= 0);
+ assert(argv);
+
+ while ((c = getopt_long(argc, argv, "h", options, NULL)) >= 0) {
+
+ switch (c) {
+
+ case 'h':
+ help();
+ return 0;
+
+ case ARG_ICON:
+ arg_icon = optarg;
+ break;
+
+ case ARG_TIMEOUT:
+ if (parse_usec(optarg, &arg_timeout) < 0) {
+ log_error("Failed to parse --timeout parameter %s", optarg);
+ return -EINVAL;
+ }
+ break;
+
+ case ARG_NO_TTY:
+ arg_use_tty = false;
+ break;
+
+ case ARG_ACCEPT_CACHED:
+ arg_accept_cached = true;
+ break;
+
+ case ARG_MULTIPLE:
+ arg_multiple = true;
+ break;
+
+ case '?':
+ return -EINVAL;
+
+ default:
+ log_error("Unknown option code %c", c);
+ return -EINVAL;
+ }
+ }
+
+ if (optind != argc-1) {
+ help();
+ return -EINVAL;
+ }
+
+ arg_message = argv[optind];
+ return 1;
+}
+
+int main(int argc, char *argv[]) {
+ int r;
+ usec_t timeout;
+
+ log_parse_environment();
+ log_open();
+
+ if ((r = parse_argv(argc, argv)) <= 0)
+ goto finish;
+
+ if (arg_timeout > 0)
+ timeout = now(CLOCK_MONOTONIC) + arg_timeout;
+ else
+ timeout = 0;
+
+ if (arg_use_tty && isatty(STDIN_FILENO)) {
+ char *password = NULL;
+
+ if ((r = ask_password_tty(arg_message, timeout, NULL, &password)) >= 0) {
+ puts(password);
+ free(password);
+ }
+
+ } else {
+ char **l;
+
+ if ((r = ask_password_agent(arg_message, arg_icon, timeout, arg_accept_cached, &l)) >= 0) {
+ char **p;
+
+ STRV_FOREACH(p, l) {
+ puts(*p);
+
+ if (!arg_multiple)
+ break;
+ }
+
+ strv_free(l);
+ }
+ }
+
+finish:
+
+ return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
+}