/* SPDX-License-Identifier: LGPL-2.1+ */
-/***
- This file is part of systemd.
-
- Copyright 2012 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 <getopt.h>
#include <locale.h>
#include "bus-error.h"
#include "bus-util.h"
#include "hostname-util.h"
+#include "main-func.h"
+#include "pretty-print.h"
#include "spawn-polkit-agent.h"
#include "util.h"
+#include "verbs.h"
static bool arg_ask_password = true;
static BusTransport arg_transport = BUS_TRANSPORT_LOCAL;
static bool arg_static = false;
typedef struct StatusInfo {
- char *hostname;
- char *static_hostname;
- char *pretty_hostname;
- char *icon_name;
- char *chassis;
- char *deployment;
- char *location;
- char *kernel_name;
- char *kernel_release;
- char *os_pretty_name;
- char *os_cpe_name;
- char *virtualization;
- char *architecture;
+ const char *hostname;
+ const char *static_hostname;
+ const char *pretty_hostname;
+ const char *icon_name;
+ const char *chassis;
+ const char *deployment;
+ const char *location;
+ const char *kernel_name;
+ const char *kernel_release;
+ const char *os_pretty_name;
+ const char *os_cpe_name;
+ const char *virtualization;
+ const char *architecture;
+ const char *home_url;
} StatusInfo;
static void print_status_info(StatusInfo *i) {
if (!isempty(i->virtualization))
printf(" Virtualization: %s\n", i->virtualization);
- if (!isempty(i->os_pretty_name))
- printf(" Operating System: %s\n", i->os_pretty_name);
+ if (!isempty(i->os_pretty_name)) {
+ _cleanup_free_ char *formatted = NULL;
+ const char *t = i->os_pretty_name;
+
+ if (i->home_url) {
+ if (terminal_urlify(i->home_url, i->os_pretty_name, &formatted) >= 0)
+ t = formatted;
+ }
+
+ printf(" Operating System: %s\n", t);
+ }
if (!isempty(i->os_cpe_name))
printf(" CPE OS Name: %s\n", i->os_cpe_name);
{ "KernelRelease", "s", NULL, offsetof(StatusInfo, kernel_release) },
{ "OperatingSystemPrettyName", "s", NULL, offsetof(StatusInfo, os_pretty_name) },
{ "OperatingSystemCPEName", "s", NULL, offsetof(StatusInfo, os_cpe_name) },
+ { "HomeURL", "s", NULL, offsetof(StatusInfo, home_url) },
{}
};
{}
};
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *host_message = NULL, *manager_message = NULL;
int r;
r = bus_map_all_properties(bus,
"org.freedesktop.hostname1",
"/org/freedesktop/hostname1",
hostname_map,
+ 0,
error,
+ &host_message,
&info);
if (r < 0)
- goto fail;
+ return r;
- bus_map_all_properties(bus,
- "org.freedesktop.systemd1",
- "/org/freedesktop/systemd1",
- manager_map,
- error,
- &info);
+ r = bus_map_all_properties(bus,
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ manager_map,
+ 0,
+ error,
+ &manager_message,
+ &info);
print_status_info(&info);
-fail:
- free(info.hostname);
- free(info.static_hostname);
- free(info.pretty_hostname);
- free(info.icon_name);
- free(info.chassis);
- free(info.deployment);
- free(info.location);
- free(info.kernel_name);
- free(info.kernel_release);
- free(info.os_pretty_name);
- free(info.os_cpe_name);
- free(info.virtualization);
- free(info.architecture);
-
return r;
}
-static int show_status(sd_bus *bus, char **args, unsigned n) {
+static int show_status(int argc, char **argv, void *userdata) {
+ sd_bus *bus = userdata;
int r;
- assert(args);
-
if (arg_pretty || arg_static || arg_transient) {
const char *attr;
&error, NULL,
"sb", value, arg_ask_password);
if (r < 0)
- log_error("Could not set property: %s", bus_error_message(&error, -r));
- return r;
+ return log_error_errno(r, "Could not set property: %s", bus_error_message(&error, -r));
+
+ return 0;
}
-static int set_hostname(sd_bus *bus, char **args, unsigned n) {
+static int set_hostname(int argc, char **argv, void *userdata) {
_cleanup_free_ char *h = NULL;
- const char *hostname = args[1];
+ const char *hostname = argv[1];
+ sd_bus *bus = userdata;
int r;
- assert(args);
- assert(n == 2);
-
if (!arg_pretty && !arg_static && !arg_transient)
arg_pretty = arg_static = arg_transient = true;
return 0;
}
-static int set_icon_name(sd_bus *bus, char **args, unsigned n) {
- assert(args);
- assert(n == 2);
-
- return set_simple_string(bus, "SetIconName", args[1]);
+static int set_icon_name(int argc, char **argv, void *userdata) {
+ return set_simple_string(userdata, "SetIconName", argv[1]);
}
-static int set_chassis(sd_bus *bus, char **args, unsigned n) {
- assert(args);
- assert(n == 2);
-
- return set_simple_string(bus, "SetChassis", args[1]);
+static int set_chassis(int argc, char **argv, void *userdata) {
+ return set_simple_string(userdata, "SetChassis", argv[1]);
}
-static int set_deployment(sd_bus *bus, char **args, unsigned n) {
- assert(args);
- assert(n == 2);
+static int set_deployment(int argc, char **argv, void *userdata) {
+ return set_simple_string(userdata, "SetDeployment", argv[1]);
+}
- return set_simple_string(bus, "SetDeployment", args[1]);
+static int set_location(int argc, char **argv, void *userdata) {
+ return set_simple_string(userdata, "SetLocation", argv[1]);
}
-static int set_location(sd_bus *bus, char **args, unsigned n) {
- assert(args);
- assert(n == 2);
+static int help(void) {
+ _cleanup_free_ char *link = NULL;
+ int r;
- return set_simple_string(bus, "SetLocation", args[1]);
-}
+ r = terminal_urlify_man("hostnamectl", "1", &link);
+ if (r < 0)
+ return log_oom();
-static void help(void) {
printf("%s [OPTIONS...] COMMAND ...\n\n"
"Query or change system hostname.\n\n"
" -h --help Show this help\n"
" set-chassis NAME Set chassis type for host\n"
" set-deployment NAME Set deployment environment for host\n"
" set-location NAME Set location for host\n"
- , program_invocation_short_name);
+ "\nSee the %s for details.\n"
+ , program_invocation_short_name
+ , link
+ );
+
+ return 0;
+}
+
+static int verb_help(int argc, char **argv, void *userdata) {
+ return help();
}
static int parse_argv(int argc, char *argv[]) {
switch (c) {
case 'h':
- help();
- return 0;
+ return help();
case ARG_VERSION:
return version();
static int hostnamectl_main(sd_bus *bus, int argc, char *argv[]) {
- static const struct {
- const char* verb;
- const enum {
- MORE,
- LESS,
- EQUAL
- } argc_cmp;
- const int argc;
- int (* const dispatch)(sd_bus *bus, char **args, unsigned n);
- } verbs[] = {
- { "status", LESS, 1, show_status },
- { "set-hostname", EQUAL, 2, set_hostname },
- { "set-icon-name", EQUAL, 2, set_icon_name },
- { "set-chassis", EQUAL, 2, set_chassis },
- { "set-deployment", EQUAL, 2, set_deployment },
- { "set-location", EQUAL, 2, set_location },
+ static const Verb verbs[] = {
+ { "status", VERB_ANY, 1, VERB_DEFAULT, show_status },
+ { "set-hostname", 2, 2, 0, set_hostname },
+ { "set-icon-name", 2, 2, 0, set_icon_name },
+ { "set-chassis", 2, 2, 0, set_chassis },
+ { "set-deployment", 2, 2, 0, set_deployment },
+ { "set-location", 2, 2, 0, set_location },
+ { "help", VERB_ANY, VERB_ANY, 0, verb_help }, /* Not documented, but supported since it is created. */
+ {}
};
- int left;
- unsigned i;
-
- assert(argc >= 0);
- assert(argv);
-
- left = argc - optind;
-
- if (left <= 0)
- /* Special rule: no arguments means "status" */
- i = 0;
- else {
- if (streq(argv[optind], "help")) {
- help();
- return 0;
- }
-
- for (i = 0; i < ELEMENTSOF(verbs); i++)
- if (streq(argv[optind], verbs[i].verb))
- break;
-
- if (i >= ELEMENTSOF(verbs)) {
- log_error("Unknown operation %s", argv[optind]);
- return -EINVAL;
- }
- }
-
- switch (verbs[i].argc_cmp) {
-
- case EQUAL:
- if (left != verbs[i].argc) {
- log_error("Invalid number of arguments.");
- return -EINVAL;
- }
-
- break;
-
- case MORE:
- if (left < verbs[i].argc) {
- log_error("Too few arguments.");
- return -EINVAL;
- }
-
- break;
-
- case LESS:
- if (left > verbs[i].argc) {
- log_error("Too many arguments.");
- return -EINVAL;
- }
-
- break;
-
- default:
- assert_not_reached("Unknown comparison operator.");
- }
-
- return verbs[i].dispatch(bus, argv + optind, left);
+ return dispatch_verb(argc, argv, verbs, bus);
}
-int main(int argc, char *argv[]) {
+static int run(int argc, char *argv[]) {
_cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
int r;
r = parse_argv(argc, argv);
if (r <= 0)
- goto finish;
+ return r;
r = bus_connect_transport(arg_transport, arg_host, false, &bus);
- if (r < 0) {
- log_error_errno(r, "Failed to create bus connection: %m");
- goto finish;
- }
-
- r = hostnamectl_main(bus, argc, argv);
+ if (r < 0)
+ return log_error_errno(r, "Failed to create bus connection: %m");
-finish:
- return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
+ return hostnamectl_main(bus, argc, argv);
}
+
+DEFINE_MAIN_FUNCTION(run);
projects / thirdparty / systemd.git / blobdiff