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-rw-r--r--src/hostname/.gitignore1
l---------src/hostname/Makefile1
-rw-r--r--src/hostname/hostnamectl.c546
-rw-r--r--src/hostname/hostnamed.c636
-rw-r--r--src/hostname/org.freedesktop.hostname1.conf27
-rw-r--r--src/hostname/org.freedesktop.hostname1.policy.in49
-rw-r--r--src/hostname/org.freedesktop.hostname1.service12
7 files changed, 1272 insertions, 0 deletions
diff --git a/src/hostname/.gitignore b/src/hostname/.gitignore
new file mode 100644
index 0000000000..1ff281b231
--- /dev/null
+++ b/src/hostname/.gitignore
@@ -0,0 +1 @@
+org.freedesktop.hostname1.policy
diff --git a/src/hostname/Makefile b/src/hostname/Makefile
new file mode 120000
index 0000000000..d0b0e8e008
--- /dev/null
+++ b/src/hostname/Makefile
@@ -0,0 +1 @@
+../Makefile \ No newline at end of file
diff --git a/src/hostname/hostnamectl.c b/src/hostname/hostnamectl.c
new file mode 100644
index 0000000000..b7ae5ccc6c
--- /dev/null
+++ b/src/hostname/hostnamectl.c
@@ -0,0 +1,546 @@
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+/***
+ 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 <stdlib.h>
+#include <stdbool.h>
+#include <unistd.h>
+#include <getopt.h>
+#include <locale.h>
+#include <string.h>
+#include <sys/timex.h>
+#include <sys/utsname.h>
+
+#include "dbus-common.h"
+#include "util.h"
+#include "spawn-polkit-agent.h"
+#include "build.h"
+#include "hwclock.h"
+#include "strv.h"
+#include "sd-id128.h"
+#include "virt.h"
+
+static enum transport {
+ TRANSPORT_NORMAL,
+ TRANSPORT_SSH,
+ TRANSPORT_POLKIT
+} arg_transport = TRANSPORT_NORMAL;
+static bool arg_ask_password = true;
+static const char *arg_host = NULL;
+static bool arg_set_transient = false;
+static bool arg_set_pretty = false;
+static bool arg_set_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;
+
+ polkit_agent_open();
+}
+
+typedef struct StatusInfo {
+ const char *hostname;
+ const char *static_hostname;
+ const char *pretty_hostname;
+ const char *icon_name;
+} StatusInfo;
+
+static void print_status_info(StatusInfo *i) {
+ sd_id128_t mid, bid;
+ int r;
+ const char *id = NULL;
+ _cleanup_free_ char *pretty_name = NULL, *cpe_name = NULL;
+ struct utsname u;
+
+ assert(i);
+
+ printf(" Static hostname: %s\n",
+ strna(i->static_hostname));
+
+ if (!streq_ptr(i->hostname, i->static_hostname))
+ printf("Transient hostname: %s\n",
+ strna(i->hostname));
+
+ printf(" Pretty hostname: %s\n"
+ " Icon name: %s\n",
+ strna(i->pretty_hostname),
+ strna(i->icon_name));
+
+ 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 (detect_virtualization(&id) > 0)
+ printf(" Virtualization: %s\n", id);
+
+ r = parse_env_file("/etc/os-release", NEWLINE,
+ "PRETTY_NAME", &pretty_name,
+ "CPE_NAME", &cpe_name,
+ NULL);
+
+ if (!isempty(pretty_name))
+ printf(" Operating System: %s\n", pretty_name);
+
+ if (!isempty(cpe_name))
+ printf(" CPE OS Name: %s\n", cpe_name);
+
+ assert_se(uname(&u) >= 0);
+ printf(" Kernel: %s %s\n"
+ " Architecture: %s\n", u.sysname, u.release, u.machine);
+
+}
+
+static int status_property(const char *name, DBusMessageIter *iter, StatusInfo *i) {
+ assert(name);
+ assert(iter);
+
+ switch (dbus_message_iter_get_arg_type(iter)) {
+
+ case DBUS_TYPE_STRING: {
+ const char *s;
+
+ dbus_message_iter_get_basic(iter, &s);
+ if (!isempty(s)) {
+ if (streq(name, "Hostname"))
+ i->hostname = s;
+ if (streq(name, "StaticHostname"))
+ i->static_hostname = s;
+ if (streq(name, "PrettyHostname"))
+ i->pretty_hostname = s;
+ if (streq(name, "IconName"))
+ i->icon_name = s;
+ }
+ break;
+ }
+ }
+
+ return 0;
+}
+
+static int show_status(DBusConnection *bus, char **args, unsigned n) {
+ _cleanup_dbus_message_unref_ DBusMessage *reply = NULL;
+ const char *interface = "";
+ int r;
+ DBusMessageIter iter, sub, sub2, sub3;
+ StatusInfo info;
+
+ assert(args);
+
+ r = bus_method_call_with_reply(
+ bus,
+ "org.freedesktop.hostname1",
+ "/org/freedesktop/hostname1",
+ "org.freedesktop.DBus.Properties",
+ "GetAll",
+ &reply,
+ NULL,
+ DBUS_TYPE_STRING, &interface,
+ DBUS_TYPE_INVALID);
+ if (r < 0)
+ return r;
+
+ if (!dbus_message_iter_init(reply, &iter) ||
+ dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY ||
+ dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_DICT_ENTRY) {
+ log_error("Failed to parse reply.");
+ return -EIO;
+ }
+
+ zero(info);
+ dbus_message_iter_recurse(&iter, &sub);
+
+ while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
+ const char *name;
+
+ if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_DICT_ENTRY) {
+ log_error("Failed to parse reply.");
+ return -EIO;
+ }
+
+ dbus_message_iter_recurse(&sub, &sub2);
+
+ if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &name, true) < 0) {
+ log_error("Failed to parse reply.");
+ return -EIO;
+ }
+
+ if (dbus_message_iter_get_arg_type(&sub2) != DBUS_TYPE_VARIANT) {
+ log_error("Failed to parse reply.");
+ return -EIO;
+ }
+
+ dbus_message_iter_recurse(&sub2, &sub3);
+
+ r = status_property(name, &sub3, &info);
+ if (r < 0) {
+ log_error("Failed to parse reply.");
+ return r;
+ }
+
+ dbus_message_iter_next(&sub);
+ }
+
+ print_status_info(&info);
+ return 0;
+}
+
+static char* hostname_simplify(char *s) {
+ char *p, *d;
+
+ for (p = s, d = s; *p; p++) {
+ if ((*p >= 'a' && *p <= 'z') ||
+ (*p >= '0' && *p <= '9') ||
+ *p == '-' || *p == '_')
+ *(d++) = *p;
+ else if (*p >= 'A' && *p <= 'Z')
+ *(d++) = *p - 'A' + 'a';
+ else if (*p == ' ')
+ *(d++) = '-';
+ }
+
+ *d = 0;
+
+ strshorten(s, HOST_NAME_MAX);
+ return s;
+}
+
+static int set_hostname(DBusConnection *bus, char **args, unsigned n) {
+ _cleanup_dbus_message_unref_ DBusMessage *reply = NULL;
+ dbus_bool_t interactive = true;
+ _cleanup_free_ char *h = NULL;
+ const char *hostname = args[1];
+ int r;
+
+ assert(args);
+ assert(n == 2);
+
+ polkit_agent_open_if_enabled();
+
+ if (arg_set_pretty) {
+ r = bus_method_call_with_reply(
+ bus,
+ "org.freedesktop.hostname1",
+ "/org/freedesktop/hostname1",
+ "org.freedesktop.hostname1",
+ "SetPrettyHostname",
+ &reply,
+ NULL,
+ DBUS_TYPE_STRING, &hostname,
+ DBUS_TYPE_BOOLEAN, &interactive,
+ DBUS_TYPE_INVALID);
+ if (r < 0)
+ return r;
+
+ h = strdup(hostname);
+ if (!h)
+ return log_oom();
+
+ hostname = hostname_simplify(h);
+ }
+
+ if (arg_set_static) {
+ r = bus_method_call_with_reply(
+ bus,
+ "org.freedesktop.hostname1",
+ "/org/freedesktop/hostname1",
+ "org.freedesktop.hostname1",
+ "SetStaticHostname",
+ &reply,
+ NULL,
+ DBUS_TYPE_STRING, &hostname,
+ DBUS_TYPE_BOOLEAN, &interactive,
+ DBUS_TYPE_INVALID);
+
+ if (r < 0)
+ return r;
+ }
+
+ if (arg_set_transient) {
+ r = bus_method_call_with_reply(
+ bus,
+ "org.freedesktop.hostname1",
+ "/org/freedesktop/hostname1",
+ "org.freedesktop.hostname1",
+ "SetHostname",
+ &reply,
+ NULL,
+ DBUS_TYPE_STRING, &hostname,
+ DBUS_TYPE_BOOLEAN, &interactive,
+ DBUS_TYPE_INVALID);
+
+ if (r < 0)
+ return r;
+ }
+
+ return 0;
+}
+
+static int set_icon_name(DBusConnection *bus, char **args, unsigned n) {
+ _cleanup_dbus_message_unref_ DBusMessage *reply = NULL;
+ dbus_bool_t interactive = true;
+
+ assert(args);
+ assert(n == 2);
+
+ polkit_agent_open_if_enabled();
+
+ return bus_method_call_with_reply(
+ bus,
+ "org.freedesktop.hostname1",
+ "/org/freedesktop/hostname1",
+ "org.freedesktop.hostname1",
+ "SetIconName",
+ &reply,
+ NULL,
+ DBUS_TYPE_STRING, &args[1],
+ DBUS_TYPE_BOOLEAN, &interactive,
+ DBUS_TYPE_INVALID);
+}
+
+static int 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"
+ " --transient Only set transient hostname\n"
+ " --static Only set static hostname\n"
+ " --pretty Only set pretty hostname\n"
+ " --no-ask-password Do not prompt for password\n"
+ " -H --host=[USER@]HOST Operate on remote host\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",
+ program_invocation_short_name);
+
+ return 0;
+}
+
+static int parse_argv(int argc, char *argv[]) {
+
+ enum {
+ ARG_VERSION = 0x100,
+ ARG_NO_ASK_PASSWORD,
+ ARG_SET_TRANSIENT,
+ ARG_SET_STATIC,
+ ARG_SET_PRETTY
+ };
+
+ static const struct option options[] = {
+ { "help", no_argument, NULL, 'h' },
+ { "version", no_argument, NULL, ARG_VERSION },
+ { "transient", no_argument, NULL, ARG_SET_TRANSIENT },
+ { "static", no_argument, NULL, ARG_SET_STATIC },
+ { "pretty", no_argument, NULL, ARG_SET_PRETTY },
+ { "host", required_argument, NULL, 'H' },
+ { "privileged", no_argument, NULL, 'P' },
+ { "no-ask-password", no_argument, NULL, ARG_NO_ASK_PASSWORD },
+ { NULL, 0, NULL, 0 }
+ };
+
+ int c;
+
+ assert(argc >= 0);
+ assert(argv);
+
+ while ((c = getopt_long(argc, argv, "hH:P", options, NULL)) >= 0) {
+
+ switch (c) {
+
+ case 'h':
+ help();
+ return 0;
+
+ case ARG_VERSION:
+ puts(PACKAGE_STRING);
+ puts(DISTRIBUTION);
+ puts(SYSTEMD_FEATURES);
+ return 0;
+
+ case 'P':
+ arg_transport = TRANSPORT_POLKIT;
+ break;
+
+ case 'H':
+ arg_transport = TRANSPORT_SSH;
+ arg_host = optarg;
+ break;
+
+ case ARG_SET_TRANSIENT:
+ arg_set_transient = true;
+ break;
+
+ case ARG_SET_PRETTY:
+ arg_set_pretty = true;
+ break;
+
+ case ARG_SET_STATIC:
+ arg_set_static = true;
+ break;
+
+ case '?':
+ return -EINVAL;
+
+ default:
+ log_error("Unknown option code %c", c);
+ return -EINVAL;
+ }
+ }
+
+ if (!arg_set_transient && !arg_set_pretty && !arg_set_static)
+ arg_set_transient = arg_set_pretty = arg_set_static = true;
+
+ return 1;
+}
+
+static int hostnamectl_main(DBusConnection *bus, int argc, char *argv[], DBusError *error) {
+
+ static const struct {
+ const char* verb;
+ const enum {
+ MORE,
+ LESS,
+ EQUAL
+ } argc_cmp;
+ const int argc;
+ int (* const dispatch)(DBusConnection *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 },
+ };
+
+ int left;
+ unsigned i;
+
+ assert(argc >= 0);
+ assert(argv);
+ assert(error);
+
+ 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.");
+ }
+
+ if (!bus) {
+ log_error("Failed to get D-Bus connection: %s", error->message);
+ return -EIO;
+ }
+
+ return verbs[i].dispatch(bus, argv + optind, left);
+}
+
+int main(int argc, char *argv[]) {
+ int r, retval = EXIT_FAILURE;
+ DBusConnection *bus = NULL;
+ DBusError error;
+
+ dbus_error_init(&error);
+
+ setlocale(LC_ALL, "");
+ log_parse_environment();
+ log_open();
+
+ r = parse_argv(argc, argv);
+ if (r < 0)
+ goto finish;
+ else if (r == 0) {
+ retval = EXIT_SUCCESS;
+ goto finish;
+ }
+
+ if (arg_transport == TRANSPORT_NORMAL)
+ bus = dbus_bus_get_private(DBUS_BUS_SYSTEM, &error);
+ else if (arg_transport == TRANSPORT_POLKIT)
+ bus_connect_system_polkit(&bus, &error);
+ else if (arg_transport == TRANSPORT_SSH)
+ bus_connect_system_ssh(NULL, arg_host, &bus, &error);
+ else
+ assert_not_reached("Uh, invalid transport...");
+
+ r = hostnamectl_main(bus, argc, argv, &error);
+ retval = r < 0 ? EXIT_FAILURE : r;
+
+finish:
+ if (bus) {
+ dbus_connection_flush(bus);
+ dbus_connection_close(bus);
+ dbus_connection_unref(bus);
+ }
+
+ dbus_error_free(&error);
+ dbus_shutdown();
+
+ return retval;
+}
diff --git a/src/hostname/hostnamed.c b/src/hostname/hostnamed.c
new file mode 100644
index 0000000000..cd3ef491ac
--- /dev/null
+++ b/src/hostname/hostnamed.c
@@ -0,0 +1,636 @@
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+/***
+ This file is part of systemd.
+
+ Copyright 2011 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 <dbus/dbus.h>
+
+#include <errno.h>
+#include <string.h>
+#include <unistd.h>
+#include <dlfcn.h>
+
+#include "util.h"
+#include "strv.h"
+#include "dbus-common.h"
+#include "polkit.h"
+#include "def.h"
+#include "virt.h"
+
+#define INTERFACE \
+ " <interface name=\"org.freedesktop.hostname1\">\n" \
+ " <property name=\"Hostname\" type=\"s\" access=\"read\"/>\n" \
+ " <property name=\"StaticHostname\" type=\"s\" access=\"read\"/>\n" \
+ " <property name=\"PrettyHostname\" type=\"s\" access=\"read\"/>\n" \
+ " <property name=\"IconName\" type=\"s\" access=\"read\"/>\n" \
+ " <method name=\"SetHostname\">\n" \
+ " <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \
+ " <arg name=\"user_interaction\" type=\"b\" direction=\"in\"/>\n" \
+ " </method>\n" \
+ " <method name=\"SetStaticHostname\">\n" \
+ " <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \
+ " <arg name=\"user_interaction\" type=\"b\" direction=\"in\"/>\n" \
+ " </method>\n" \
+ " <method name=\"SetPrettyHostname\">\n" \
+ " <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \
+ " <arg name=\"user_interaction\" type=\"b\" direction=\"in\"/>\n" \
+ " </method>\n" \
+ " <method name=\"SetIconName\">\n" \
+ " <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \
+ " <arg name=\"user_interaction\" type=\"b\" direction=\"in\"/>\n" \
+ " </method>\n" \
+ " </interface>\n"
+
+#define INTROSPECTION \
+ DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE \
+ "<node>\n" \
+ INTERFACE \
+ BUS_PROPERTIES_INTERFACE \
+ BUS_INTROSPECTABLE_INTERFACE \
+ BUS_PEER_INTERFACE \
+ "</node>\n"
+
+#define INTERFACES_LIST \
+ BUS_GENERIC_INTERFACES_LIST \
+ "org.freedesktop.hostname1\0"
+
+const char hostname_interface[] _introspect_("hostname1") = INTERFACE;
+
+enum {
+ PROP_HOSTNAME,
+ PROP_STATIC_HOSTNAME,
+ PROP_PRETTY_HOSTNAME,
+ PROP_ICON_NAME,
+ _PROP_MAX
+};
+
+static char *data[_PROP_MAX] = {
+ NULL,
+ NULL,
+ NULL,
+ NULL
+};
+
+static usec_t remain_until = 0;
+
+static void free_data(void) {
+ int p;
+
+ for (p = 0; p < _PROP_MAX; p++) {
+ free(data[p]);
+ data[p] = NULL;
+ }
+}
+
+static int read_data(void) {
+ int r;
+
+ free_data();
+
+ data[PROP_HOSTNAME] = gethostname_malloc();
+ if (!data[PROP_HOSTNAME])
+ return -ENOMEM;
+
+ r = read_one_line_file("/etc/hostname", &data[PROP_STATIC_HOSTNAME]);
+ if (r < 0 && r != -ENOENT)
+ return r;
+
+ r = parse_env_file("/etc/machine-info", NEWLINE,
+ "PRETTY_HOSTNAME", &data[PROP_PRETTY_HOSTNAME],
+ "ICON_NAME", &data[PROP_ICON_NAME],
+ NULL);
+ if (r < 0 && r != -ENOENT)
+ return r;
+
+ return 0;
+}
+
+static bool check_nss(void) {
+
+ void *dl;
+
+ if ((dl = dlopen("libnss_myhostname.so.2", RTLD_LAZY))) {
+ dlclose(dl);
+ return true;
+ }
+
+ return false;
+}
+
+static const char* fallback_icon_name(void) {
+
+#if defined(__i386__) || defined(__x86_64__)
+ int r;
+ char *type;
+ unsigned t;
+#endif
+
+ if (detect_virtualization(NULL) > 0)
+ return "computer-vm";
+
+#if defined(__i386__) || defined(__x86_64__)
+ r = read_one_line_file("/sys/class/dmi/id/chassis_type", &type);
+ if (r < 0)
+ return NULL;
+
+ r = safe_atou(type, &t);
+ free(type);
+
+ if (r < 0)
+ return NULL;
+
+ /* We only list the really obvious cases here. The DMI data is
+ unreliable enough, so let's not do any additional guesswork
+ on top of that.
+
+ See the SMBIOS Specification 2.7.1 section 7.4.1 for
+ details about the values listed here:
+
+ http://www.dmtf.org/sites/default/files/standards/documents/DSP0134_2.7.1.pdf
+ */
+
+ switch (t) {
+
+ case 0x3:
+ case 0x4:
+ case 0x6:
+ case 0x7:
+ return "computer-desktop";
+
+ case 0x9:
+ case 0xA:
+ case 0xE:
+ return "computer-laptop";
+
+ case 0x11:
+ case 0x1C:
+ return "computer-server";
+ }
+
+#endif
+ return NULL;
+}
+
+static int write_data_hostname(void) {
+ const char *hn;
+
+ if (isempty(data[PROP_HOSTNAME]))
+ hn = "localhost";
+ else
+ hn = data[PROP_HOSTNAME];
+
+ if (sethostname(hn, strlen(hn)) < 0)
+ return -errno;
+
+ return 0;
+}
+
+static int write_data_static_hostname(void) {
+
+ if (isempty(data[PROP_STATIC_HOSTNAME])) {
+
+ if (unlink("/etc/hostname") < 0)
+ return errno == ENOENT ? 0 : -errno;
+
+ return 0;
+ }
+
+ return write_one_line_file_atomic("/etc/hostname", data[PROP_STATIC_HOSTNAME]);
+}
+
+static int write_data_other(void) {
+
+ static const char * const name[_PROP_MAX] = {
+ [PROP_PRETTY_HOSTNAME] = "PRETTY_HOSTNAME",
+ [PROP_ICON_NAME] = "ICON_NAME"
+ };
+
+ char **l = NULL;
+ int r, p;
+
+ r = load_env_file("/etc/machine-info", &l);
+ if (r < 0 && r != -ENOENT)
+ return r;
+
+ for (p = 2; p < _PROP_MAX; p++) {
+ char *t, **u;
+
+ assert(name[p]);
+
+ if (isempty(data[p])) {
+ strv_env_unset(l, name[p]);
+ continue;
+ }
+
+ if (asprintf(&t, "%s=%s", name[p], strempty(data[p])) < 0) {
+ strv_free(l);
+ return -ENOMEM;
+ }
+
+ u = strv_env_set(l, t);
+ free(t);
+ strv_free(l);
+
+ if (!u)
+ return -ENOMEM;
+ l = u;
+ }
+
+ if (strv_isempty(l)) {
+
+ if (unlink("/etc/machine-info") < 0)
+ return errno == ENOENT ? 0 : -errno;
+
+ return 0;
+ }
+
+ r = write_env_file("/etc/machine-info", l);
+ strv_free(l);
+
+ return r;
+}
+
+static int bus_hostname_append_icon_name(DBusMessageIter *i, const char *property, void *userdata) {
+ const char *name;
+
+ assert(i);
+ assert(property);
+
+ if (isempty(data[PROP_ICON_NAME]))
+ name = fallback_icon_name();
+ else
+ name = data[PROP_ICON_NAME];
+
+ return bus_property_append_string(i, property, (void*) name);
+}
+
+static const BusProperty bus_hostname_properties[] = {
+ { "Hostname", bus_property_append_string, "s", sizeof(data[0])*PROP_HOSTNAME, true },
+ { "StaticHostname", bus_property_append_string, "s", sizeof(data[0])*PROP_STATIC_HOSTNAME, true },
+ { "PrettyHostname", bus_property_append_string, "s", sizeof(data[0])*PROP_PRETTY_HOSTNAME, true },
+ { "IconName", bus_hostname_append_icon_name, "s", sizeof(data[0])*PROP_ICON_NAME, true },
+ { NULL, }
+};
+
+static const BusBoundProperties bps[] = {
+ { "org.freedesktop.hostname1", bus_hostname_properties, data },
+ { NULL, }
+};
+
+static DBusHandlerResult hostname_message_handler(
+ DBusConnection *connection,
+ DBusMessage *message,
+ void *userdata) {
+
+
+ DBusMessage *reply = NULL, *changed = NULL;
+ DBusError error;
+ int r;
+
+ assert(connection);
+ assert(message);
+
+ dbus_error_init(&error);
+
+ if (dbus_message_is_method_call(message, "org.freedesktop.hostname1", "SetHostname")) {
+ const char *name;
+ dbus_bool_t interactive;
+
+ if (!dbus_message_get_args(
+ message,
+ &error,
+ DBUS_TYPE_STRING, &name,
+ DBUS_TYPE_BOOLEAN, &interactive,
+ DBUS_TYPE_INVALID))
+ return bus_send_error_reply(connection, message, &error, -EINVAL);
+
+ if (isempty(name))
+ name = data[PROP_STATIC_HOSTNAME];
+
+ if (isempty(name))
+ name = "localhost";
+
+ if (!hostname_is_valid(name))
+ return bus_send_error_reply(connection, message, NULL, -EINVAL);
+
+ if (!streq_ptr(name, data[PROP_HOSTNAME])) {
+ char *h;
+
+ r = verify_polkit(connection, message, "org.freedesktop.hostname1.set-hostname", interactive, NULL, &error);
+ if (r < 0)
+ return bus_send_error_reply(connection, message, &error, r);
+
+ h = strdup(name);
+ if (!h)
+ goto oom;
+
+ free(data[PROP_HOSTNAME]);
+ data[PROP_HOSTNAME] = h;
+
+ r = write_data_hostname();
+ if (r < 0) {
+ log_error("Failed to set host name: %s", strerror(-r));
+ return bus_send_error_reply(connection, message, NULL, r);
+ }
+
+ log_info("Changed host name to '%s'", strempty(data[PROP_HOSTNAME]));
+
+ changed = bus_properties_changed_new(
+ "/org/freedesktop/hostname1",
+ "org.freedesktop.hostname1",
+ "Hostname\0");
+ if (!changed)
+ goto oom;
+ }
+
+ } else if (dbus_message_is_method_call(message, "org.freedesktop.hostname1", "SetStaticHostname")) {
+ const char *name;
+ dbus_bool_t interactive;
+
+ if (!dbus_message_get_args(
+ message,
+ &error,
+ DBUS_TYPE_STRING, &name,
+ DBUS_TYPE_BOOLEAN, &interactive,
+ DBUS_TYPE_INVALID))
+ return bus_send_error_reply(connection, message, &error, -EINVAL);
+
+ if (isempty(name))
+ name = NULL;
+
+ if (!streq_ptr(name, data[PROP_STATIC_HOSTNAME])) {
+
+ r = verify_polkit(connection, message, "org.freedesktop.hostname1.set-static-hostname", interactive, NULL, &error);
+ if (r < 0)
+ return bus_send_error_reply(connection, message, &error, r);
+
+ if (isempty(name)) {
+ free(data[PROP_STATIC_HOSTNAME]);
+ data[PROP_STATIC_HOSTNAME] = NULL;
+ } else {
+ char *h;
+
+ if (!hostname_is_valid(name))
+ return bus_send_error_reply(connection, message, NULL, -EINVAL);
+
+ h = strdup(name);
+ if (!h)
+ goto oom;
+
+ free(data[PROP_STATIC_HOSTNAME]);
+ data[PROP_STATIC_HOSTNAME] = h;
+ }
+
+ r = write_data_static_hostname();
+ if (r < 0) {
+ log_error("Failed to write static host name: %s", strerror(-r));
+ return bus_send_error_reply(connection, message, NULL, r);
+ }
+
+ log_info("Changed static host name to '%s'", strempty(data[PROP_STATIC_HOSTNAME]));
+
+ changed = bus_properties_changed_new(
+ "/org/freedesktop/hostname1",
+ "org.freedesktop.hostname1",
+ "StaticHostname\0");
+ if (!changed)
+ goto oom;
+ }
+
+ } else if (dbus_message_is_method_call(message, "org.freedesktop.hostname1", "SetPrettyHostname") ||
+ dbus_message_is_method_call(message, "org.freedesktop.hostname1", "SetIconName")) {
+
+ const char *name;
+ dbus_bool_t interactive;
+ int k;
+
+ if (!dbus_message_get_args(
+ message,
+ &error,
+ DBUS_TYPE_STRING, &name,
+ DBUS_TYPE_BOOLEAN, &interactive,
+ DBUS_TYPE_INVALID))
+ return bus_send_error_reply(connection, message, &error, -EINVAL);
+
+ if (isempty(name))
+ name = NULL;
+
+ k = streq(dbus_message_get_member(message), "SetPrettyHostname") ? PROP_PRETTY_HOSTNAME : PROP_ICON_NAME;
+
+ if (!streq_ptr(name, data[k])) {
+
+ /* Since the pretty hostname should always be
+ * changed at the same time as the static one,
+ * use the same policy action for both... */
+
+ r = verify_polkit(connection, message, k == PROP_PRETTY_HOSTNAME ?
+ "org.freedesktop.hostname1.set-static-hostname" :
+ "org.freedesktop.hostname1.set-machine-info", interactive, NULL, &error);
+ if (r < 0)
+ return bus_send_error_reply(connection, message, &error, r);
+
+ if (isempty(name)) {
+ free(data[k]);
+ data[k] = NULL;
+ } else {
+ char *h;
+
+ /* The icon name might ultimately be
+ * used as file name, so better be
+ * safe than sorry */
+ if (k == PROP_ICON_NAME && !filename_is_safe(name))
+ return bus_send_error_reply(connection, message, NULL, -EINVAL);
+ if (k == PROP_PRETTY_HOSTNAME && !string_is_safe(name))
+ return bus_send_error_reply(connection, message, NULL, -EINVAL);
+
+ h = strdup(name);
+ if (!h)
+ goto oom;
+
+ free(data[k]);
+ data[k] = h;
+ }
+
+ r = write_data_other();
+ if (r < 0) {
+ log_error("Failed to write machine info: %s", strerror(-r));
+ return bus_send_error_reply(connection, message, NULL, r);
+ }
+
+ log_info("Changed %s to '%s'", k == PROP_PRETTY_HOSTNAME ? "pretty host name" : "icon name", strempty(data[k]));
+
+ changed = bus_properties_changed_new(
+ "/org/freedesktop/hostname1",
+ "org.freedesktop.hostname1",
+ k == PROP_PRETTY_HOSTNAME ? "PrettyHostname\0" : "IconName\0");
+ if (!changed)
+ goto oom;
+ }
+
+ } else
+ return bus_default_message_handler(connection, message, INTROSPECTION, INTERFACES_LIST, bps);
+
+ if (!(reply = dbus_message_new_method_return(message)))
+ goto oom;
+
+ if (!dbus_connection_send(connection, reply, NULL))
+ goto oom;
+
+ dbus_message_unref(reply);
+ reply = NULL;
+
+ if (changed) {
+
+ if (!dbus_connection_send(connection, changed, NULL))
+ goto oom;
+
+ dbus_message_unref(changed);
+ }
+
+ return DBUS_HANDLER_RESULT_HANDLED;
+
+oom:
+ if (reply)
+ dbus_message_unref(reply);
+
+ if (changed)
+ dbus_message_unref(changed);
+
+ dbus_error_free(&error);
+
+ return DBUS_HANDLER_RESULT_NEED_MEMORY;
+}
+
+static int connect_bus(DBusConnection **_bus) {
+ static const DBusObjectPathVTable hostname_vtable = {
+ .message_function = hostname_message_handler
+ };
+ DBusError error;
+ DBusConnection *bus = NULL;
+ int r;
+
+ assert(_bus);
+
+ dbus_error_init(&error);
+
+ bus = dbus_bus_get_private(DBUS_BUS_SYSTEM, &error);
+ if (!bus) {
+ log_error("Failed to get system D-Bus connection: %s", bus_error_message(&error));
+ r = -ECONNREFUSED;
+ goto fail;
+ }
+
+ dbus_connection_set_exit_on_disconnect(bus, FALSE);
+
+ if (!dbus_connection_register_object_path(bus, "/org/freedesktop/hostname1", &hostname_vtable, NULL) ||
+ !dbus_connection_add_filter(bus, bus_exit_idle_filter, &remain_until, NULL)) {
+ r = log_oom();
+ goto fail;
+ }
+
+ r = dbus_bus_request_name(bus, "org.freedesktop.hostname1", DBUS_NAME_FLAG_DO_NOT_QUEUE, &error);
+ if (dbus_error_is_set(&error)) {
+ log_error("Failed to register name on bus: %s", bus_error_message(&error));
+ r = -EEXIST;
+ goto fail;
+ }
+
+ if (r != DBUS_REQUEST_NAME_REPLY_PRIMARY_OWNER) {
+ log_error("Failed to acquire name.");
+ r = -EEXIST;
+ goto fail;
+ }
+
+ if (_bus)
+ *_bus = bus;
+
+ return 0;
+
+fail:
+ dbus_connection_close(bus);
+ dbus_connection_unref(bus);
+
+ dbus_error_free(&error);
+
+ return r;
+}
+
+int main(int argc, char *argv[]) {
+ int r;
+ DBusConnection *bus = NULL;
+ bool exiting = false;
+
+ log_set_target(LOG_TARGET_AUTO);
+ log_parse_environment();
+ log_open();
+
+ umask(0022);
+
+ if (argc == 2 && streq(argv[1], "--introspect")) {
+ fputs(DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE
+ "<node>\n", stdout);
+ fputs(hostname_interface, stdout);
+ fputs("</node>\n", stdout);
+ return 0;
+ }
+
+ if (argc != 1) {
+ log_error("This program takes no arguments.");
+ r = -EINVAL;
+ goto finish;
+ }
+
+ if (!check_nss())
+ log_warning("Warning: nss-myhostname is not installed. Changing the local hostname might make it unresolveable. Please install nss-myhostname!");
+
+ r = read_data();
+ if (r < 0) {
+ log_error("Failed to read hostname data: %s", strerror(-r));
+ goto finish;
+ }
+
+ r = connect_bus(&bus);
+ if (r < 0)
+ goto finish;
+
+ remain_until = now(CLOCK_MONOTONIC) + DEFAULT_EXIT_USEC;
+ for (;;) {
+
+ if (!dbus_connection_read_write_dispatch(bus, exiting ? -1 : (int) (DEFAULT_EXIT_USEC/USEC_PER_MSEC)))
+ break;
+
+ if (!exiting && remain_until < now(CLOCK_MONOTONIC)) {
+ exiting = true;
+ bus_async_unregister_and_exit(bus, "org.freedesktop.hostname1");
+ }
+ }
+
+ r = 0;
+
+finish:
+ free_data();
+
+ if (bus) {
+ dbus_connection_flush(bus);
+ dbus_connection_close(bus);
+ dbus_connection_unref(bus);
+ }
+
+ return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
+}
diff --git a/src/hostname/org.freedesktop.hostname1.conf b/src/hostname/org.freedesktop.hostname1.conf
new file mode 100644
index 0000000000..46b4aadc83
--- /dev/null
+++ b/src/hostname/org.freedesktop.hostname1.conf
@@ -0,0 +1,27 @@
+<?xml version="1.0"?> <!--*-nxml-*-->
+<!DOCTYPE busconfig PUBLIC "-//freedesktop//DTD D-BUS Bus Configuration 1.0//EN"
+ "http://www.freedesktop.org/standards/dbus/1.0/busconfig.dtd">
+
+<!--
+ This file is part of systemd.
+
+ 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.
+-->
+
+<busconfig>
+
+ <policy user="root">
+ <allow own="org.freedesktop.hostname1"/>
+ <allow send_destination="org.freedesktop.hostname1"/>
+ <allow receive_sender="org.freedesktop.hostname1"/>
+ </policy>
+
+ <policy context="default">
+ <allow send_destination="org.freedesktop.hostname1"/>
+ <allow receive_sender="org.freedesktop.hostname1"/>
+ </policy>
+
+</busconfig>
diff --git a/src/hostname/org.freedesktop.hostname1.policy.in b/src/hostname/org.freedesktop.hostname1.policy.in
new file mode 100644
index 0000000000..df082d8e6f
--- /dev/null
+++ b/src/hostname/org.freedesktop.hostname1.policy.in
@@ -0,0 +1,49 @@
+<?xml version="1.0" encoding="UTF-8"?> <!--*-nxml-*-->
+<!DOCTYPE policyconfig PUBLIC "-//freedesktop//DTD PolicyKit Policy Configuration 1.0//EN"
+ "http://www.freedesktop.org/standards/PolicyKit/1/policyconfig.dtd">
+
+<!--
+ This file is part of systemd.
+
+ 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.
+-->
+
+<policyconfig>
+
+ <vendor>The systemd Project</vendor>
+ <vendor_url>http://www.freedesktop.org/wiki/Software/systemd</vendor_url>
+
+ <action id="org.freedesktop.hostname1.set-hostname">
+ <_description>Set host name</_description>
+ <_message>Authentication is required to set the local host name.</_message>
+ <defaults>
+ <allow_any>auth_admin_keep</allow_any>
+ <allow_inactive>auth_admin_keep</allow_inactive>
+ <allow_active>auth_admin_keep</allow_active>
+ </defaults>
+ </action>
+
+ <action id="org.freedesktop.hostname1.set-static-hostname">
+ <_description>Set static host name</_description>
+ <_message>Authentication is required to set the statically configured local host name, as well as the pretty host name.</_message>
+ <defaults>
+ <allow_any>auth_admin_keep</allow_any>
+ <allow_inactive>auth_admin_keep</allow_inactive>
+ <allow_active>auth_admin_keep</allow_active>
+ </defaults>
+ </action>
+
+ <action id="org.freedesktop.hostname1.set-machine-info">
+ <_description>Set machine information</_description>
+ <_message>Authentication is required to set local machine information.</_message>
+ <defaults>
+ <allow_any>auth_admin_keep</allow_any>
+ <allow_inactive>auth_admin_keep</allow_inactive>
+ <allow_active>auth_admin_keep</allow_active>
+ </defaults>
+ </action>
+
+</policyconfig>
diff --git a/src/hostname/org.freedesktop.hostname1.service b/src/hostname/org.freedesktop.hostname1.service
new file mode 100644
index 0000000000..6041ed60ca
--- /dev/null
+++ b/src/hostname/org.freedesktop.hostname1.service
@@ -0,0 +1,12 @@
+# This file is part of systemd.
+#
+# 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.
+
+[D-BUS Service]
+Name=org.freedesktop.hostname1
+Exec=/bin/false
+User=root
+SystemdService=dbus-org.freedesktop.hostname1.service
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-11-02 01:28:07 +0000