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Diffstat (limited to 'src/hostname/hostnamectl.c')
-rw-r--r--src/hostname/hostnamectl.c531
1 files changed, 0 insertions, 531 deletions
diff --git a/src/hostname/hostnamectl.c b/src/hostname/hostnamectl.c
deleted file mode 100644
index 07c57fb567..0000000000
--- a/src/hostname/hostnamectl.c
+++ /dev/null
@@ -1,531 +0,0 @@
-/***
- 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 <stdbool.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include "sd-bus.h"
-#include "sd-id128.h"
-
-#include "alloc-util.h"
-#include "architecture.h"
-#include "bus-error.h"
-#include "bus-util.h"
-#include "hostname-util.h"
-#include "spawn-polkit-agent.h"
-#include "util.h"
-
-static bool arg_ask_password = true;
-static BusTransport arg_transport = BUS_TRANSPORT_LOCAL;
-static char *arg_host = NULL;
-static bool arg_transient = false;
-static bool arg_pretty = false;
-static bool arg_static = false;
-
-static void polkit_agent_open_if_enabled(void) {
-
- /* Open the polkit agent as a child process if necessary */
- if (!arg_ask_password)
- return;
-
- if (arg_transport != BUS_TRANSPORT_LOCAL)
- return;
-
- polkit_agent_open();
-}
-
-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;
-} StatusInfo;
-
-static void print_status_info(StatusInfo *i) {
- sd_id128_t mid = {}, bid = {};
- int r;
-
- assert(i);
-
- printf(" Static hostname: %s\n", strna(i->static_hostname));
-
- if (!isempty(i->pretty_hostname) &&
- !streq_ptr(i->pretty_hostname, i->static_hostname))
- printf(" Pretty hostname: %s\n", i->pretty_hostname);
-
- if (!isempty(i->hostname) &&
- !streq_ptr(i->hostname, i->static_hostname))
- printf("Transient hostname: %s\n", i->hostname);
-
- if (!isempty(i->icon_name))
- printf(" Icon name: %s\n",
- strna(i->icon_name));
-
- if (!isempty(i->chassis))
- printf(" Chassis: %s\n",
- strna(i->chassis));
-
- if (!isempty(i->deployment))
- printf(" Deployment: %s\n", i->deployment);
-
- if (!isempty(i->location))
- printf(" Location: %s\n", i->location);
-
- r = sd_id128_get_machine(&mid);
- if (r >= 0)
- printf(" Machine ID: " SD_ID128_FORMAT_STR "\n", SD_ID128_FORMAT_VAL(mid));
-
- r = sd_id128_get_boot(&bid);
- if (r >= 0)
- printf(" Boot ID: " SD_ID128_FORMAT_STR "\n", SD_ID128_FORMAT_VAL(bid));
-
- 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_cpe_name))
- printf(" CPE OS Name: %s\n", i->os_cpe_name);
-
- if (!isempty(i->kernel_name) && !isempty(i->kernel_release))
- printf(" Kernel: %s %s\n", i->kernel_name, i->kernel_release);
-
- if (!isempty(i->architecture))
- printf(" Architecture: %s\n", i->architecture);
-
-}
-
-static int show_one_name(sd_bus *bus, const char* attr) {
- _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
- _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
- const char *s;
- int r;
-
- r = sd_bus_get_property(
- bus,
- "org.freedesktop.hostname1",
- "/org/freedesktop/hostname1",
- "org.freedesktop.hostname1",
- attr,
- &error, &reply, "s");
- if (r < 0) {
- log_error("Could not get property: %s", bus_error_message(&error, -r));
- return r;
- }
-
- r = sd_bus_message_read(reply, "s", &s);
- if (r < 0)
- return bus_log_parse_error(r);
-
- printf("%s\n", s);
-
- return 0;
-}
-
-static int show_all_names(sd_bus *bus) {
- StatusInfo info = {};
-
- static const struct bus_properties_map hostname_map[] = {
- { "Hostname", "s", NULL, offsetof(StatusInfo, hostname) },
- { "StaticHostname", "s", NULL, offsetof(StatusInfo, static_hostname) },
- { "PrettyHostname", "s", NULL, offsetof(StatusInfo, pretty_hostname) },
- { "IconName", "s", NULL, offsetof(StatusInfo, icon_name) },
- { "Chassis", "s", NULL, offsetof(StatusInfo, chassis) },
- { "Deployment", "s", NULL, offsetof(StatusInfo, deployment) },
- { "Location", "s", NULL, offsetof(StatusInfo, location) },
- { "KernelName", "s", NULL, offsetof(StatusInfo, kernel_name) },
- { "KernelRelease", "s", NULL, offsetof(StatusInfo, kernel_release) },
- { "OperatingSystemPrettyName", "s", NULL, offsetof(StatusInfo, os_pretty_name) },
- { "OperatingSystemCPEName", "s", NULL, offsetof(StatusInfo, os_cpe_name) },
- {}
- };
-
- static const struct bus_properties_map manager_map[] = {
- { "Virtualization", "s", NULL, offsetof(StatusInfo, virtualization) },
- { "Architecture", "s", NULL, offsetof(StatusInfo, architecture) },
- {}
- };
-
- int r;
-
- r = bus_map_all_properties(bus,
- "org.freedesktop.hostname1",
- "/org/freedesktop/hostname1",
- hostname_map,
- &info);
- if (r < 0)
- goto fail;
-
- bus_map_all_properties(bus,
- "org.freedesktop.systemd1",
- "/org/freedesktop/systemd1",
- manager_map,
- &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) {
- assert(args);
-
- if (arg_pretty || arg_static || arg_transient) {
- const char *attr;
-
- if (!!arg_static + !!arg_pretty + !!arg_transient > 1) {
- log_error("Cannot query more than one name type at a time");
- return -EINVAL;
- }
-
- attr = arg_pretty ? "PrettyHostname" :
- arg_static ? "StaticHostname" : "Hostname";
-
- return show_one_name(bus, attr);
- } else
- return show_all_names(bus);
-}
-
-static int set_simple_string(sd_bus *bus, const char *method, const char *value) {
- _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
- int r = 0;
-
- polkit_agent_open_if_enabled();
-
- r = sd_bus_call_method(
- bus,
- "org.freedesktop.hostname1",
- "/org/freedesktop/hostname1",
- "org.freedesktop.hostname1",
- method,
- &error, NULL,
- "sb", value, arg_ask_password);
- if (r < 0)
- log_error("Could not set property: %s", bus_error_message(&error, -r));
- return r;
-}
-
-static int set_hostname(sd_bus *bus, char **args, unsigned n) {
- _cleanup_free_ char *h = NULL;
- const char *hostname = args[1];
- int r;
-
- assert(args);
- assert(n == 2);
-
- if (!arg_pretty && !arg_static && !arg_transient)
- arg_pretty = arg_static = arg_transient = true;
-
- if (arg_pretty) {
- const char *p;
-
- /* If the passed hostname is already valid, then assume the user doesn't know anything about pretty
- * hostnames, so let's unset the pretty hostname, and just set the passed hostname as static/dynamic
- * hostname. */
- if (arg_static && hostname_is_valid(hostname, true))
- p = ""; /* No pretty hostname (as it is redundant), just a static one */
- else
- p = hostname; /* Use the passed name as pretty hostname */
-
- r = set_simple_string(bus, "SetPrettyHostname", p);
- if (r < 0)
- return r;
-
- /* Now that we set the pretty hostname, let's clean up the parameter and use that as static
- * hostname. If the hostname was already valid as static hostname, this will only chop off the trailing
- * dot if there is one. If it was not valid, then it will be made fully valid by truncating, dropping
- * multiple dots, and dropping weird chars. Note that we clean the name up only if we also are
- * supposed to set the pretty name. If the pretty name is not being set we assume the user knows what
- * he does and pass the name as-is. */
- h = strdup(hostname);
- if (!h)
- return log_oom();
-
- hostname = hostname_cleanup(h); /* Use the cleaned up name as static hostname */
- }
-
- if (arg_static) {
- r = set_simple_string(bus, "SetStaticHostname", hostname);
- if (r < 0)
- return r;
- }
-
- if (arg_transient) {
- r = set_simple_string(bus, "SetHostname", hostname);
- if (r < 0)
- return r;
- }
-
- 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_chassis(sd_bus *bus, char **args, unsigned n) {
- assert(args);
- assert(n == 2);
-
- return set_simple_string(bus, "SetChassis", args[1]);
-}
-
-static int set_deployment(sd_bus *bus, char **args, unsigned n) {
- assert(args);
- assert(n == 2);
-
- return set_simple_string(bus, "SetDeployment", args[1]);
-}
-
-static int set_location(sd_bus *bus, char **args, unsigned n) {
- assert(args);
- assert(n == 2);
-
- return set_simple_string(bus, "SetLocation", args[1]);
-}
-
-static void help(void) {
- printf("%s [OPTIONS...] COMMAND ...\n\n"
- "Query or change system hostname.\n\n"
- " -h --help Show this help\n"
- " --version Show package version\n"
- " --no-ask-password Do not prompt for password\n"
- " -H --host=[USER@]HOST Operate on remote host\n"
- " -M --machine=CONTAINER Operate on local container\n"
- " --transient Only set transient hostname\n"
- " --static Only set static hostname\n"
- " --pretty Only set pretty hostname\n\n"
- "Commands:\n"
- " status Show current hostname settings\n"
- " set-hostname NAME Set system hostname\n"
- " set-icon-name NAME Set icon name for host\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);
-}
-
-static int parse_argv(int argc, char *argv[]) {
-
- enum {
- ARG_VERSION = 0x100,
- ARG_NO_ASK_PASSWORD,
- ARG_TRANSIENT,
- ARG_STATIC,
- ARG_PRETTY
- };
-
- static const struct option options[] = {
- { "help", no_argument, NULL, 'h' },
- { "version", no_argument, NULL, ARG_VERSION },
- { "transient", no_argument, NULL, ARG_TRANSIENT },
- { "static", no_argument, NULL, ARG_STATIC },
- { "pretty", no_argument, NULL, ARG_PRETTY },
- { "host", required_argument, NULL, 'H' },
- { "machine", required_argument, NULL, 'M' },
- { "no-ask-password", no_argument, NULL, ARG_NO_ASK_PASSWORD },
- {}
- };
-
- int c;
-
- assert(argc >= 0);
- assert(argv);
-
- while ((c = getopt_long(argc, argv, "hH:M:", options, NULL)) >= 0)
-
- switch (c) {
-
- case 'h':
- help();
- return 0;
-
- case ARG_VERSION:
- return version();
-
- case 'H':
- arg_transport = BUS_TRANSPORT_REMOTE;
- arg_host = optarg;
- break;
-
- case 'M':
- arg_transport = BUS_TRANSPORT_MACHINE;
- arg_host = optarg;
- break;
-
- case ARG_TRANSIENT:
- arg_transient = true;
- break;
-
- case ARG_PRETTY:
- arg_pretty = true;
- break;
-
- case ARG_STATIC:
- arg_static = true;
- break;
-
- case ARG_NO_ASK_PASSWORD:
- arg_ask_password = false;
- break;
-
- case '?':
- return -EINVAL;
-
- default:
- assert_not_reached("Unhandled option");
- }
-
- return 1;
-}
-
-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 },
- };
-
- 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);
-}
-
-int main(int argc, char *argv[]) {
- _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
- int r;
-
- setlocale(LC_ALL, "");
- log_parse_environment();
- log_open();
-
- r = parse_argv(argc, argv);
- if (r <= 0)
- goto finish;
-
- 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);
-
-finish:
- return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-01 13:17:28 +0000