690 lines
23 KiB
C
690 lines
23 KiB
C
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/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
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/***
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This file is part of systemd.
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Copyright 2010 Lennart Poettering
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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#include <dbus/dbus.h>
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#include <errno.h>
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#include <string.h>
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#include <unistd.h>
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#include "util.h"
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#include "strv.h"
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#include "dbus-common.h"
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#define INTROSPECTION \
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DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE \
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"<node>\n" \
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" <interface name=\"org.freedesktop.hostname1\">\n" \
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" <property name=\"Hostname\" type=\"s\" access=\"read\"/>\n" \
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" <property name=\"StaticHostname\" type=\"s\" access=\"read\"/>\n" \
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" <property name=\"PrettyHostname\" type=\"s\" access=\"read\"/>\n" \
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" <property name=\"IconName\" type=\"s\" access=\"read\"/>\n" \
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" <method name=\"SetHostname\">\n" \
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" <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \
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" <arg name=\"user_interaction\" type=\"b\" direction=\"in\"/>\n" \
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" </method>\n" \
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" <method name=\"SetStaticHostname\">\n" \
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" <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \
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" <arg name=\"user_interaction\" type=\"b\" direction=\"in\"/>\n" \
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" </method>\n" \
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" <method name=\"SetPrettyHostname\">\n" \
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" <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \
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" <arg name=\"user_interaction\" type=\"b\" direction=\"in\"/>\n" \
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" </method>\n" \
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" <method name=\"SetIconName\">\n" \
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" <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \
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" <arg name=\"user_interaction\" type=\"b\" direction=\"in\"/>\n" \
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" </method>\n" \
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" </interface>\n" \
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BUS_PROPERTIES_INTERFACE \
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BUS_INTROSPECTABLE_INTERFACE \
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BUS_PEER_INTERFACE \
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"</node>\n"
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#define INTERFACES_LIST \
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BUS_GENERIC_INTERFACES_LIST \
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"org.freedesktop.hostname1\0"
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enum {
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PROP_HOSTNAME,
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PROP_STATIC_HOSTNAME,
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PROP_PRETTY_HOSTNAME,
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PROP_ICON_NAME,
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_PROP_MAX
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};
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static char *data[_PROP_MAX] = {
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NULL,
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NULL,
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NULL,
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NULL
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};
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static void free_data(void) {
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int p;
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for (p = 0; p < _PROP_MAX; p++) {
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free(data[p]);
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data[p] = NULL;
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}
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}
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static int read_data(void) {
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int r;
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free_data();
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data[PROP_HOSTNAME] = gethostname_malloc();
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if (!data[PROP_HOSTNAME])
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return -ENOMEM;
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r = read_one_line_file("/etc/hostname", &data[PROP_STATIC_HOSTNAME]);
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if (r < 0 && r != -ENOENT)
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return r;
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r = parse_env_file("/etc/machine-info", NEWLINE,
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"PRETTY_HOSTNAME", &data[PROP_PRETTY_HOSTNAME],
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"ICON_NAME", &data[PROP_ICON_NAME],
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NULL);
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if (r < 0 && r != -ENOENT)
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return r;
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return 0;
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}
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static const char* fallback_icon_name(void) {
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#if defined(__i386__) || defined(__x86_64__)
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int r;
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char *type;
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unsigned t;
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#endif
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if (detect_virtualization(NULL) > 0)
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return "computer-vm";
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#if defined(__i386__) || defined(__x86_64__)
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r = read_one_line_file("/sys/class/dmi/id/chassis_type", &type);
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if (r < 0)
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return NULL;
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r = safe_atou(type, &t);
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free(type);
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if (r < 0)
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return NULL;
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/* We only list the really obvious cases here. The DMI data is
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unreliable enough, so let's not do any additional guesswork
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on top of that. */
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switch (t) {
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case 0x3:
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case 0x4:
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case 0x6:
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case 0x7:
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return "computer-desktop";
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case 0x9:
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case 0xA:
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case 0xE:
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return "computer-laptop";
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case 0x11:
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return "computer-server";
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}
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#endif
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return NULL;
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}
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static int write_data_hostname(void) {
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const char *hn;
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if (isempty(data[PROP_HOSTNAME]))
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hn = "localhost";
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else
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hn = data[PROP_HOSTNAME];
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if (sethostname(hn, strlen(hn)) < 0)
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return -errno;
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return 0;
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}
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static int write_data_static_hostname(void) {
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if (isempty(data[PROP_STATIC_HOSTNAME])) {
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if (unlink("/etc/hostname") < 0)
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return errno == ENOENT ? 0 : -errno;
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return 0;
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}
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return write_one_line_file("/etc/hostname", data[PROP_STATIC_HOSTNAME]);
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}
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static int write_data_other(void) {
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static const char * const name[_PROP_MAX] = {
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[PROP_PRETTY_HOSTNAME] = "PRETTY_HOSTNAME",
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[PROP_ICON_NAME] = "ICON_NAME"
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};
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char **l = NULL;
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int r, p;
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r = load_env_file("/etc/machine-info", &l);
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if (r < 0 && r != -ENOENT)
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return r;
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for (p = 2; p < _PROP_MAX; p++) {
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char *t, **u;
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assert(name[p]);
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if (isempty(data[p])) {
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l = strv_env_unset(l, name[p]);
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continue;
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}
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if (asprintf(&t, "%s=%s", name[p], strempty(data[p])) < 0) {
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strv_free(l);
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return -ENOMEM;
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}
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u = strv_env_set(l, t);
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free(t);
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strv_free(l);
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if (!u)
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return -ENOMEM;
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l = u;
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}
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if (strv_isempty(l)) {
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if (unlink("/etc/machine-info") < 0)
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return errno == ENOENT ? 0 : -errno;
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return 0;
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}
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r = write_env_file("/etc/machine-info", l);
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strv_free(l);
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return r;
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}
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/* This mimics dbus_bus_get_unix_user() */
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static pid_t get_unix_process_id(
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DBusConnection *connection,
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const char *name,
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DBusError *error) {
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DBusMessage *m = NULL, *reply = NULL;
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uint32_t pid = 0;
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m = dbus_message_new_method_call(
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DBUS_SERVICE_DBUS,
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DBUS_PATH_DBUS,
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DBUS_INTERFACE_DBUS,
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"GetConnectionUnixProcessID");
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if (!m) {
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dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, NULL);
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goto finish;
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}
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if (!dbus_message_append_args(
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m,
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DBUS_TYPE_STRING, &name,
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DBUS_TYPE_INVALID)) {
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dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, NULL);
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goto finish;
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}
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reply = dbus_connection_send_with_reply_and_block(connection, m, -1, error);
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if (!reply)
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goto finish;
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if (dbus_set_error_from_message(error, reply))
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goto finish;
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if (!dbus_message_get_args(
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reply, error,
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DBUS_TYPE_UINT32, &pid,
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DBUS_TYPE_INVALID))
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goto finish;
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finish:
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if (m)
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dbus_message_unref(m);
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if (reply)
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dbus_message_unref(reply);
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return (pid_t) pid;
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}
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static int verify_polkit(
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DBusConnection *c,
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DBusMessage *request,
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const char *action,
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bool interactive,
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DBusError *error) {
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DBusMessage *m = NULL, *reply = NULL;
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const char *unix_process = "unix-process", *pid = "pid", *starttime = "start-time", *cancel_id = "";
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const char *sender;
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uint32_t flags = interactive ? 1 : 0;
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pid_t pid_raw;
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uint32_t pid_u32;
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unsigned long long starttime_raw;
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uint64_t starttime_u64;
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DBusMessageIter iter_msg, iter_struct, iter_array, iter_dict, iter_variant;
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int r;
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dbus_bool_t authorized = FALSE;
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assert(c);
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assert(request);
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sender = dbus_message_get_sender(request);
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if (!sender)
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return -EINVAL;
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pid_raw = get_unix_process_id(c, sender, error);
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if (pid_raw == 0)
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return -EINVAL;
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r = get_starttime_of_pid(pid_raw, &starttime_raw);
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if (r < 0)
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return r;
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m = dbus_message_new_method_call(
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"org.freedesktop.PolicyKit1",
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"/org/freedesktop/PolicyKit1/Authority",
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"org.freedesktop.PolicyKit1.Authority",
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"CheckAuthorization");
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if (!m)
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return -ENOMEM;
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dbus_message_iter_init_append(m, &iter_msg);
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pid_u32 = (uint32_t) pid_raw;
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starttime_u64 = (uint64_t) starttime_raw;
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if (!dbus_message_iter_open_container(&iter_msg, DBUS_TYPE_STRUCT, NULL, &iter_struct) ||
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!dbus_message_iter_append_basic(&iter_struct, DBUS_TYPE_STRING, &unix_process) ||
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!dbus_message_iter_open_container(&iter_struct, DBUS_TYPE_ARRAY, "{sv}", &iter_array) ||
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!dbus_message_iter_open_container(&iter_array, DBUS_TYPE_DICT_ENTRY, NULL, &iter_dict) ||
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!dbus_message_iter_append_basic(&iter_dict, DBUS_TYPE_STRING, &pid) ||
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!dbus_message_iter_open_container(&iter_dict, DBUS_TYPE_VARIANT, "u", &iter_variant) ||
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!dbus_message_iter_append_basic(&iter_variant, DBUS_TYPE_UINT32, &pid_u32) ||
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!dbus_message_iter_close_container(&iter_dict, &iter_variant) ||
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!dbus_message_iter_close_container(&iter_array, &iter_dict) ||
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!dbus_message_iter_open_container(&iter_array, DBUS_TYPE_DICT_ENTRY, NULL, &iter_dict) ||
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!dbus_message_iter_append_basic(&iter_dict, DBUS_TYPE_STRING, &starttime) ||
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!dbus_message_iter_open_container(&iter_dict, DBUS_TYPE_VARIANT, "t", &iter_variant) ||
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!dbus_message_iter_append_basic(&iter_variant, DBUS_TYPE_UINT64, &starttime_u64) ||
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!dbus_message_iter_close_container(&iter_dict, &iter_variant) ||
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!dbus_message_iter_close_container(&iter_array, &iter_dict) ||
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!dbus_message_iter_close_container(&iter_struct, &iter_array) ||
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!dbus_message_iter_close_container(&iter_msg, &iter_struct) ||
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!dbus_message_iter_append_basic(&iter_msg, DBUS_TYPE_STRING, &action) ||
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!dbus_message_iter_open_container(&iter_msg, DBUS_TYPE_ARRAY, "{ss}", &iter_array) ||
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!dbus_message_iter_close_container(&iter_msg, &iter_array) ||
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!dbus_message_iter_append_basic(&iter_msg, DBUS_TYPE_UINT32, &flags) ||
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!dbus_message_iter_append_basic(&iter_msg, DBUS_TYPE_STRING, &cancel_id)) {
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r = -ENOMEM;
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goto finish;
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}
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reply = dbus_connection_send_with_reply_and_block(c, m, -1, error);
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if (!reply) {
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r = -EIO;
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goto finish;
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}
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if (dbus_set_error_from_message(error, reply)) {
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r = -EIO;
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goto finish;
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}
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if (!dbus_message_iter_init(reply, &iter_msg) ||
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dbus_message_iter_get_arg_type(&iter_msg) != DBUS_TYPE_STRUCT) {
|
||
|
|
r = -EIO;
|
||
|
|
goto finish;
|
||
|
|
}
|
||
|
|
|
||
|
|
dbus_message_iter_recurse(&iter_msg, &iter_struct);
|
||
|
|
|
||
|
|
if (dbus_message_iter_get_arg_type(&iter_struct) != DBUS_TYPE_BOOLEAN) {
|
||
|
|
r = -EIO;
|
||
|
|
goto finish;
|
||
|
|
}
|
||
|
|
|
||
|
|
dbus_message_iter_get_basic(&iter_struct, &authorized);
|
||
|
|
|
||
|
|
r = authorized ? 0 : -EPERM;
|
||
|
|
|
||
|
|
finish:
|
||
|
|
|
||
|
|
if (m)
|
||
|
|
dbus_message_unref(m);
|
||
|
|
|
||
|
|
if (reply)
|
||
|
|
dbus_message_unref(reply);
|
||
|
|
|
||
|
|
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 DBusHandlerResult hostname_message_handler(
|
||
|
|
DBusConnection *connection,
|
||
|
|
DBusMessage *message,
|
||
|
|
void *userdata) {
|
||
|
|
|
||
|
|
const BusProperty properties[] = {
|
||
|
|
{ "org.freedesktop.hostname1", "Hostname", bus_property_append_string, "s", data[PROP_HOSTNAME]},
|
||
|
|
{ "org.freedesktop.hostname1", "StaticHostname", bus_property_append_string, "s", data[PROP_STATIC_HOSTNAME]},
|
||
|
|
{ "org.freedesktop.hostname1", "PrettyHostname", bus_property_append_string, "s", data[PROP_PRETTY_HOSTNAME]},
|
||
|
|
{ "org.freedesktop.hostname1", "IconName", bus_hostname_append_icon_name, "s", data[PROP_ICON_NAME]},
|
||
|
|
{ NULL, NULL, NULL, NULL, NULL }
|
||
|
|
};
|
||
|
|
|
||
|
|
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, &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)
|
||
|
|
return bus_send_error_reply(connection, message, NULL, r);
|
||
|
|
|
||
|
|
log_info("Changed host name to '%s'", 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, &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)
|
||
|
|
return bus_send_error_reply(connection, message, NULL, r);
|
||
|
|
|
||
|
|
log_info("Changed static host name to '%s'", data[PROP_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])) {
|
||
|
|
|
||
|
|
r = verify_polkit(connection, message, "org.freedesktop.hostname1.set-machine-info", interactive, &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;
|
||
|
|
|
||
|
|
h = strdup(name);
|
||
|
|
if (!h)
|
||
|
|
goto oom;
|
||
|
|
|
||
|
|
free(data[k]);
|
||
|
|
data[k] = h;
|
||
|
|
}
|
||
|
|
|
||
|
|
r = write_data_other();
|
||
|
|
if (r < 0)
|
||
|
|
return bus_send_error_reply(connection, message, NULL, r);
|
||
|
|
|
||
|
|
log_info("Changed %s to '%s'", k == PROP_PRETTY_HOSTNAME ? "pretty host name" : "icon name", 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, properties);
|
||
|
|
|
||
|
|
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;
|
||
|
|
}
|
||
|
|
|
||
|
|
int main(int argc, char *argv[]) {
|
||
|
|
const DBusObjectPathVTable hostname_vtable = {
|
||
|
|
.message_function = hostname_message_handler
|
||
|
|
};
|
||
|
|
|
||
|
|
DBusConnection *bus = NULL;
|
||
|
|
DBusError error;
|
||
|
|
int r;
|
||
|
|
|
||
|
|
dbus_error_init(&error);
|
||
|
|
|
||
|
|
log_set_target(LOG_TARGET_AUTO);
|
||
|
|
log_parse_environment();
|
||
|
|
log_open();
|
||
|
|
|
||
|
|
if (argc != 1) {
|
||
|
|
log_error("This program takes no arguments.");
|
||
|
|
r = -EINVAL;
|
||
|
|
goto finish;
|
||
|
|
}
|
||
|
|
|
||
|
|
umask(0022);
|
||
|
|
|
||
|
|
r = read_data();
|
||
|
|
if (r < 0) {
|
||
|
|
log_error("Failed to read hostname data: %s", strerror(-r));
|
||
|
|
goto finish;
|
||
|
|
}
|
||
|
|
|
||
|
|
bus = dbus_bus_get_private(DBUS_BUS_SYSTEM, &error);
|
||
|
|
if (!bus) {
|
||
|
|
log_error("Failed to get system D-Bus connection: %s", error.message);
|
||
|
|
r = -ECONNREFUSED;
|
||
|
|
goto finish;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!dbus_connection_register_object_path(bus, "/org/freedesktop/hostname1", &hostname_vtable, NULL)) {
|
||
|
|
log_error("Not enough memory");
|
||
|
|
r = -ENOMEM;
|
||
|
|
goto finish;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (dbus_bus_request_name(bus, "org.freedesktop.hostname1", DBUS_NAME_FLAG_DO_NOT_QUEUE, &error) < 0) {
|
||
|
|
log_error("Failed to register name on bus: %s", error.message);
|
||
|
|
goto finish;
|
||
|
|
}
|
||
|
|
|
||
|
|
while (dbus_connection_read_write_dispatch(bus, -1))
|
||
|
|
;
|
||
|
|
|
||
|
|
r = 0;
|
||
|
|
|
||
|
|
finish:
|
||
|
|
free_data();
|
||
|
|
|
||
|
|
if (bus) {
|
||
|
|
dbus_connection_flush(bus);
|
||
|
|
dbus_connection_close(bus);
|
||
|
|
dbus_connection_unref(bus);
|
||
|
|
}
|
||
|
|
|
||
|
|
dbus_error_free(&error);
|
||
|
|
|
||
|
|
return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
|
||
|
|
}
|