Merge pull request #11827 from keszybz/pkgconfig-variables

[thirdparty/systemd.git] / src / ask-password / ask-password.c

diff --git a/src/ask-password/ask-password.c b/src/ask-password/ask-password.c
index 6d53dd982c51613b3dc696217a2a39e6176d2617..4637c3281931a4261d6dabf19183d98adbbad607 100644 (file)
--- a/src/ask-password/ask-password.c
+++ b/src/ask-password/ask-password.c
@@ -1,21 +1,4 @@
-/***
-  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/>.
-***/
+/* SPDX-License-Identifier: LGPL-2.1+ */
 
 #include <errno.h>
 #include <getopt.h>
@@ -26,6 +9,8 @@
 #include "def.h"
 #include "log.h"
 #include "macro.h"
+#include "main-func.h"
+#include "pretty-print.h"
 #include "strv.h"
 
 static const char *arg_icon = NULL;
@@ -37,7 +22,16 @@ static bool arg_multiple = false;
 static bool arg_no_output = false;
 static AskPasswordFlags arg_flags = ASK_PASSWORD_PUSH_CACHE;
 
-static void help(void) {
+STATIC_DESTRUCTOR_REGISTER(arg_message, freep);
+
+static int help(void) {
+        _cleanup_free_ char *link = NULL;
+        int r;
+
+        r = terminal_urlify_man("systemd-ask-password", "1", &link);
+        if (r < 0)
+                return log_oom();
+
         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"
@@ -50,7 +44,12 @@ static void help(void) {
                "     --accept-cached  Accept cached passwords\n"
                "     --multiple       List multiple passwords if available\n"
                "     --no-output      Do not print password to standard output\n"
-               , program_invocation_short_name);
+               "\nSee the %s for details.\n"
+               , program_invocation_short_name
+               , link
+        );
+
+        return 0;
 }
 
 static int parse_argv(int argc, char *argv[]) {
@@ -65,10 +64,12 @@ static int parse_argv(int argc, char *argv[]) {
                 ARG_ID,
                 ARG_KEYNAME,
                 ARG_NO_OUTPUT,
+                ARG_VERSION,
         };
 
         static const struct option options[] = {
                 { "help",          no_argument,       NULL, 'h'               },
+                { "version",       no_argument,       NULL, ARG_VERSION       },
                 { "icon",          required_argument, NULL, ARG_ICON          },
                 { "timeout",       required_argument, NULL, ARG_TIMEOUT       },
                 { "echo",          no_argument,       NULL, ARG_ECHO          },
@@ -91,18 +92,20 @@ static int parse_argv(int argc, char *argv[]) {
                 switch (c) {
 
                 case 'h':
-                        help();
-                        return 0;
+                        return help();
+
+                case ARG_VERSION:
+                        return version();
 
                 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;
-                        }
+                        if (parse_sec(optarg, &arg_timeout) < 0)
+                                return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+                                                       "Failed to parse --timeout parameter %s",
+                                                       optarg);
                         break;
 
                 case ARG_ECHO:
@@ -149,7 +152,7 @@ static int parse_argv(int argc, char *argv[]) {
         return 1;
 }
 
-int main(int argc, char *argv[]) {
+static int run(int argc, char *argv[]) {
         _cleanup_strv_free_erase_ char **l = NULL;
         usec_t timeout;
         char **p;
@@ -160,7 +163,7 @@ int main(int argc, char *argv[]) {
 
         r = parse_argv(argc, argv);
         if (r <= 0)
-                goto finish;
+                return r;
 
         if (arg_timeout > 0)
                 timeout = now(CLOCK_MONOTONIC) + arg_timeout;
@@ -168,10 +171,8 @@ int main(int argc, char *argv[]) {
                 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;
-        }
+        if (r < 0)
+                return log_error_errno(r, "Failed to query password: %m");
 
         STRV_FOREACH(p, l) {
                 if (!arg_no_output)
@@ -181,8 +182,7 @@ int main(int argc, char *argv[]) {
                         break;
         }
 
-finish:
-        free(arg_message);
-
-        return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
+        return 0;
 }
+
+DEFINE_MAIN_FUNCTION(run);