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Diffstat (limited to 'src/systemd-ask-password/ask-password.c')
-rw-r--r--src/systemd-ask-password/ask-password.c179
1 files changed, 179 insertions, 0 deletions
diff --git a/src/systemd-ask-password/ask-password.c b/src/systemd-ask-password/ask-password.c
new file mode 100644
index 0000000000..adc9286612
--- /dev/null
+++ b/src/systemd-ask-password/ask-password.c
@@ -0,0 +1,179 @@
+/***
+ 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 <errno.h>
+#include <getopt.h>
+#include <stddef.h>
+#include <unistd.h>
+
+#include "ask-password-api.h"
+#include "def.h"
+#include "log.h"
+#include "macro.h"
+#include "strv.h"
+
+static const char *arg_icon = NULL;
+static const char *arg_id = NULL;
+static const char *arg_keyname = NULL;
+static char *arg_message = NULL;
+static usec_t arg_timeout = DEFAULT_TIMEOUT_USEC;
+static bool arg_multiple = false;
+static AskPasswordFlags arg_flags = ASK_PASSWORD_PUSH_CACHE;
+
+static void 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"
+ " --id=ID Query identifier (e.g. \"cryptsetup:/dev/sda5\")\n"
+ " --keyname=NAME Kernel key name for caching passwords (e.g. \"cryptsetup\")\n"
+ " --timeout=SEC Timeout in seconds\n"
+ " --echo Do not mask input (useful for usernames)\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);
+}
+
+static int parse_argv(int argc, char *argv[]) {
+
+ enum {
+ ARG_ICON = 0x100,
+ ARG_TIMEOUT,
+ ARG_ECHO,
+ ARG_NO_TTY,
+ ARG_ACCEPT_CACHED,
+ ARG_MULTIPLE,
+ ARG_ID,
+ ARG_KEYNAME,
+ };
+
+ static const struct option options[] = {
+ { "help", no_argument, NULL, 'h' },
+ { "icon", required_argument, NULL, ARG_ICON },
+ { "timeout", required_argument, NULL, ARG_TIMEOUT },
+ { "echo", no_argument, NULL, ARG_ECHO },
+ { "no-tty", no_argument, NULL, ARG_NO_TTY },
+ { "accept-cached", no_argument, NULL, ARG_ACCEPT_CACHED },
+ { "multiple", no_argument, NULL, ARG_MULTIPLE },
+ { "id", required_argument, NULL, ARG_ID },
+ { "keyname", required_argument, NULL, ARG_KEYNAME },
+ {}
+ };
+
+ 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_sec(optarg, &arg_timeout) < 0) {
+ log_error("Failed to parse --timeout parameter %s", optarg);
+ return -EINVAL;
+ }
+ break;
+
+ case ARG_ECHO:
+ arg_flags |= ASK_PASSWORD_ECHO;
+ break;
+
+ case ARG_NO_TTY:
+ arg_flags |= ASK_PASSWORD_NO_TTY;
+ break;
+
+ case ARG_ACCEPT_CACHED:
+ arg_flags |= ASK_PASSWORD_ACCEPT_CACHED;
+ break;
+
+ case ARG_MULTIPLE:
+ arg_multiple = true;
+ break;
+
+ case ARG_ID:
+ arg_id = optarg;
+ break;
+
+ case ARG_KEYNAME:
+ arg_keyname = optarg;
+ break;
+
+ case '?':
+ return -EINVAL;
+
+ default:
+ assert_not_reached("Unhandled option");
+ }
+
+ if (argc > optind) {
+ arg_message = strv_join(argv + optind, " ");
+ if (!arg_message)
+ return log_oom();
+ }
+
+ return 1;
+}
+
+int main(int argc, char *argv[]) {
+ _cleanup_strv_free_erase_ char **l = NULL;
+ usec_t timeout;
+ char **p;
+ int r;
+
+ log_parse_environment();
+ log_open();
+
+ r = parse_argv(argc, argv);
+ if (r <= 0)
+ goto finish;
+
+ if (arg_timeout > 0)
+ timeout = now(CLOCK_MONOTONIC) + arg_timeout;
+ else
+ timeout = 0;
+
+ r = ask_password_auto(arg_message, arg_icon, arg_id, arg_keyname, timeout, arg_flags, &l);
+ if (r < 0) {
+ log_error_errno(r, "Failed to query password: %m");
+ goto finish;
+ }
+
+ STRV_FOREACH(p, l) {
+ puts(*p);
+
+ if (!arg_multiple)
+ break;
+ }
+
+finish:
+ free(arg_message);
+
+ return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
+}