#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;

}