2011-04-16 02:02:54 +02:00
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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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2011-04-16 02:43:02 +02:00
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Copyright 2011 Lennart Poettering
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2011-04-16 02:02:54 +02:00
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systemd is free software; you can redistribute it and/or modify it
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2012-04-12 00:20:58 +02:00
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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2011-04-16 02:02:54 +02:00
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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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2012-04-12 00:20:58 +02:00
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Lesser General Public License for more details.
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2011-04-16 02:02:54 +02:00
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2012-04-12 00:20:58 +02:00
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You should have received a copy of the GNU Lesser General Public License
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2011-04-16 02:02:54 +02:00
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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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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2014-04-23 23:41:12 +02:00
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#include <sys/utsname.h>
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2011-04-16 02:02:54 +02:00
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#include "util.h"
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#include "strv.h"
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2011-09-03 03:26:58 +02:00
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#include "def.h"
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2011-09-23 17:00:33 +02:00
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#include "virt.h"
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2013-02-11 03:46:08 +01:00
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#include "env-util.h"
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2013-02-14 12:26:13 +01:00
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#include "fileio-label.h"
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2013-10-18 00:47:41 +02:00
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#include "bus-util.h"
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#include "event-util.h"
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2014-12-27 18:46:36 +01:00
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#include "selinux-util.h"
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2015-05-18 17:10:07 +02:00
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#include "hostname-util.h"
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2011-06-17 00:15:02 +02:00
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2014-07-08 23:26:05 +02:00
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#define VALID_DEPLOYMENT_CHARS (DIGITS LETTERS "-.:")
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2011-04-16 02:02:54 +02:00
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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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2012-12-24 19:03:59 +01:00
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PROP_CHASSIS,
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2014-07-08 23:26:05 +02:00
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PROP_DEPLOYMENT,
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2014-07-11 15:50:32 +02:00
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PROP_LOCATION,
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2014-04-23 23:41:12 +02:00
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PROP_KERNEL_NAME,
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PROP_KERNEL_RELEASE,
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2014-04-24 00:03:34 +02:00
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PROP_KERNEL_VERSION,
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2014-03-11 14:57:15 +01:00
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PROP_OS_PRETTY_NAME,
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PROP_OS_CPE_NAME,
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2011-04-16 02:02:54 +02:00
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_PROP_MAX
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};
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2013-10-18 00:47:41 +02:00
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typedef struct Context {
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char *data[_PROP_MAX];
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Hashmap *polkit_registry;
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} Context;
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2011-09-03 03:26:58 +02:00
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2013-10-18 00:47:41 +02:00
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static void context_reset(Context *c) {
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2011-04-16 02:02:54 +02:00
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int p;
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2013-10-18 00:47:41 +02:00
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assert(c);
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2011-04-16 02:02:54 +02:00
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for (p = 0; p < _PROP_MAX; p++) {
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2013-10-18 00:47:41 +02:00
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free(c->data[p]);
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c->data[p] = NULL;
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2011-04-16 02:02:54 +02:00
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}
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}
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2014-08-06 07:57:43 +02:00
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static void context_free(Context *c) {
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2013-10-18 00:47:41 +02:00
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assert(c);
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context_reset(c);
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2014-08-06 07:57:43 +02:00
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bus_verify_polkit_async_registry_free(c->polkit_registry);
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2013-10-18 00:47:41 +02:00
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}
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static int context_read_data(Context *c) {
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2011-04-16 02:02:54 +02:00
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int r;
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2014-04-23 23:41:12 +02:00
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struct utsname u;
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2011-04-16 02:02:54 +02:00
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2013-10-18 00:47:41 +02:00
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assert(c);
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context_reset(c);
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2011-04-16 02:02:54 +02:00
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2014-04-23 23:41:12 +02:00
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assert_se(uname(&u) >= 0);
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c->data[PROP_KERNEL_NAME] = strdup(u.sysname);
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c->data[PROP_KERNEL_RELEASE] = strdup(u.release);
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2014-04-24 00:03:34 +02:00
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c->data[PROP_KERNEL_VERSION] = strdup(u.version);
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if (!c->data[PROP_KERNEL_NAME] || !c->data[PROP_KERNEL_RELEASE] ||
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!c->data[PROP_KERNEL_VERSION])
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2014-04-23 23:41:12 +02:00
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return -ENOMEM;
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2013-10-18 00:47:41 +02:00
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c->data[PROP_HOSTNAME] = gethostname_malloc();
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if (!c->data[PROP_HOSTNAME])
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2011-04-16 02:02:54 +02:00
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return -ENOMEM;
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2015-05-19 07:49:56 +02:00
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r = read_hostname_config("/etc/hostname", &c->data[PROP_STATIC_HOSTNAME]);
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2011-04-16 02:02:54 +02:00
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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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2013-10-18 00:47:41 +02:00
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"PRETTY_HOSTNAME", &c->data[PROP_PRETTY_HOSTNAME],
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"ICON_NAME", &c->data[PROP_ICON_NAME],
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"CHASSIS", &c->data[PROP_CHASSIS],
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2014-07-08 23:26:05 +02:00
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"DEPLOYMENT", &c->data[PROP_DEPLOYMENT],
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2014-07-11 15:50:32 +02:00
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"LOCATION", &c->data[PROP_LOCATION],
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2011-04-16 02:02:54 +02:00
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NULL);
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if (r < 0 && r != -ENOENT)
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return r;
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2014-03-11 14:57:15 +01:00
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r = parse_env_file("/etc/os-release", NEWLINE,
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"PRETTY_NAME", &c->data[PROP_OS_PRETTY_NAME],
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"CPE_NAME", &c->data[PROP_OS_CPE_NAME],
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NULL);
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2014-06-13 19:45:52 +02:00
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if (r == -ENOENT) {
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r = parse_env_file("/usr/lib/os-release", NEWLINE,
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"PRETTY_NAME", &c->data[PROP_OS_PRETTY_NAME],
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"CPE_NAME", &c->data[PROP_OS_CPE_NAME],
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NULL);
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}
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2014-03-11 14:57:15 +01:00
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if (r < 0 && r != -ENOENT)
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return r;
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2011-04-16 02:02:54 +02:00
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return 0;
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}
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2012-12-24 19:03:59 +01:00
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static bool valid_chassis(const char *chassis) {
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assert(chassis);
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return nulstr_contains(
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"vm\0"
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"container\0"
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"desktop\0"
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"laptop\0"
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"server\0"
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"tablet\0"
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2014-07-09 13:20:05 +02:00
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"handset\0"
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2014-11-06 14:37:12 +01:00
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"watch\0"
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"embedded\0",
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2012-12-24 19:03:59 +01:00
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chassis);
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}
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2014-07-08 23:26:05 +02:00
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static bool valid_deployment(const char *deployment) {
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assert(deployment);
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2014-07-11 15:37:11 +02:00
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return in_charset(deployment, VALID_DEPLOYMENT_CHARS);
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2014-07-08 23:26:05 +02:00
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}
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2012-12-24 19:03:59 +01:00
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static const char* fallback_chassis(void) {
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2011-04-16 02:02:54 +02:00
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int r;
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char *type;
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unsigned t;
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2014-02-23 22:05:18 +01:00
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int v;
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2012-12-24 19:03:59 +01:00
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v = detect_virtualization(NULL);
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if (v == VIRTUALIZATION_VM)
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return "vm";
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if (v == VIRTUALIZATION_CONTAINER)
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return "container";
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r = read_one_line_file("/sys/firmware/acpi/pm_profile", &type);
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if (r < 0)
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goto try_dmi;
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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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goto try_dmi;
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/* We only list the really obvious cases here as the ACPI data
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* is not really super reliable.
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*
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* See the ACPI 5.0 Spec Section 5.2.9.1 for details:
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*
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* http://www.acpi.info/DOWNLOADS/ACPIspec50.pdf
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*/
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switch(t) {
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case 1:
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case 3:
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case 6:
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return "desktop";
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case 2:
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return "laptop";
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2011-04-16 02:02:54 +02:00
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2012-12-24 19:03:59 +01:00
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case 4:
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case 5:
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case 7:
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return "server";
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2011-04-16 02:02:54 +02:00
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2012-12-24 19:03:59 +01:00
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case 8:
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return "tablet";
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}
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try_dmi:
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2011-04-16 02:02:54 +02:00
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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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2011-04-16 02:43:02 +02:00
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on top of that.
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See the SMBIOS Specification 2.7.1 section 7.4.1 for
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details about the values listed here:
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http://www.dmtf.org/sites/default/files/standards/documents/DSP0134_2.7.1.pdf
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*/
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2011-04-16 02:02:54 +02:00
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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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2012-12-24 19:03:59 +01:00
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return "desktop";
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2011-04-16 02:02:54 +02:00
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2012-12-24 19:03:59 +01:00
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case 0x8:
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2011-04-16 02:02:54 +02:00
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case 0x9:
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case 0xA:
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case 0xE:
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2012-12-24 19:03:59 +01:00
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return "laptop";
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case 0xB:
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return "handset";
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2011-04-16 02:02:54 +02:00
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case 0x11:
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2011-04-16 02:43:02 +02:00
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case 0x1C:
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2012-12-24 19:03:59 +01:00
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return "server";
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2011-04-16 02:02:54 +02:00
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}
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return NULL;
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}
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2013-10-18 00:47:41 +02:00
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static char* context_fallback_icon_name(Context *c) {
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2012-12-24 19:03:59 +01:00
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const char *chassis;
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2013-10-18 00:47:41 +02:00
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assert(c);
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if (!isempty(c->data[PROP_CHASSIS]))
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return strappend("computer-", c->data[PROP_CHASSIS]);
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2012-12-24 19:03:59 +01:00
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chassis = fallback_chassis();
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if (chassis)
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return strappend("computer-", chassis);
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return strdup("computer");
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}
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2014-07-08 23:26:05 +02:00
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2014-02-12 09:46:31 +01:00
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static bool hostname_is_useful(const char *hn) {
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2014-07-02 13:41:31 +02:00
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return !isempty(hn) && !is_localhost(hn);
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2014-02-12 09:46:31 +01:00
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}
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static int context_update_kernel_hostname(Context *c) {
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const char *static_hn;
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2011-04-16 02:02:54 +02:00
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const char *hn;
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2013-10-18 00:47:41 +02:00
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assert(c);
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2014-02-12 09:46:31 +01:00
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static_hn = c->data[PROP_STATIC_HOSTNAME];
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/* /etc/hostname with something other than "localhost"
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* has the highest preference ... */
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if (hostname_is_useful(static_hn))
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hn = static_hn;
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2014-12-10 20:00:09 +01:00
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/* ... the transient host name, (ie: DHCP) comes next ... */
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2014-02-12 09:46:31 +01:00
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else if (!isempty(c->data[PROP_HOSTNAME]))
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2013-10-18 00:47:41 +02:00
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hn = c->data[PROP_HOSTNAME];
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2011-04-16 02:02:54 +02:00
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2014-02-12 09:46:31 +01:00
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/* ... fallback to static "localhost.*" ignored above ... */
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else if (!isempty(static_hn))
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hn = static_hn;
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/* ... and the ultimate fallback */
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else
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hn = "localhost";
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2014-10-21 18:17:54 +02:00
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if (sethostname_idempotent(hn) < 0)
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2011-04-16 02:02:54 +02:00
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return -errno;
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return 0;
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}
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2013-10-18 00:47:41 +02:00
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static int context_write_data_static_hostname(Context *c) {
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2011-04-16 02:02:54 +02:00
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2013-10-18 00:47:41 +02:00
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assert(c);
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if (isempty(c->data[PROP_STATIC_HOSTNAME])) {
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2011-04-16 02:02:54 +02:00
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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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2013-10-18 00:47:41 +02:00
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return write_string_file_atomic_label("/etc/hostname", c->data[PROP_STATIC_HOSTNAME]);
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2011-04-16 02:02:54 +02:00
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}
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2014-03-11 14:57:14 +01:00
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static int context_write_data_machine_info(Context *c) {
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2011-04-19 06:07:06 +02:00
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2011-04-16 02:02:54 +02:00
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static const char * const name[_PROP_MAX] = {
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[PROP_PRETTY_HOSTNAME] = "PRETTY_HOSTNAME",
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2012-12-24 19:03:59 +01:00
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|
|
[PROP_ICON_NAME] = "ICON_NAME",
|
2014-07-08 23:26:05 +02:00
|
|
|
[PROP_CHASSIS] = "CHASSIS",
|
|
|
|
[PROP_DEPLOYMENT] = "DEPLOYMENT",
|
2014-07-11 15:50:32 +02:00
|
|
|
[PROP_LOCATION] = "LOCATION",
|
2011-04-16 02:02:54 +02:00
|
|
|
};
|
|
|
|
|
2013-11-21 19:32:33 +01:00
|
|
|
_cleanup_strv_free_ char **l = NULL;
|
2011-04-16 02:02:54 +02:00
|
|
|
int r, p;
|
|
|
|
|
2013-10-18 00:47:41 +02:00
|
|
|
assert(c);
|
|
|
|
|
2014-07-03 17:50:55 +02:00
|
|
|
r = load_env_file(NULL, "/etc/machine-info", NULL, &l);
|
2011-04-16 02:02:54 +02:00
|
|
|
if (r < 0 && r != -ENOENT)
|
|
|
|
return r;
|
|
|
|
|
2014-07-11 15:50:32 +02:00
|
|
|
for (p = PROP_PRETTY_HOSTNAME; p <= PROP_LOCATION; p++) {
|
2014-07-11 15:31:49 +02:00
|
|
|
_cleanup_free_ char *t = NULL;
|
|
|
|
char **u;
|
2011-04-16 02:02:54 +02:00
|
|
|
|
|
|
|
assert(name[p]);
|
|
|
|
|
2013-10-18 00:47:41 +02:00
|
|
|
if (isempty(c->data[p])) {
|
2011-09-23 01:44:36 +02:00
|
|
|
strv_env_unset(l, name[p]);
|
2011-04-16 02:02:54 +02:00
|
|
|
continue;
|
|
|
|
}
|
|
|
|
|
2014-07-11 15:31:49 +02:00
|
|
|
t = strjoin(name[p], "=", c->data[p], NULL);
|
|
|
|
if (!t)
|
2011-04-16 02:02:54 +02:00
|
|
|
return -ENOMEM;
|
|
|
|
|
|
|
|
u = strv_env_set(l, t);
|
|
|
|
if (!u)
|
|
|
|
return -ENOMEM;
|
2013-11-21 19:32:33 +01:00
|
|
|
|
|
|
|
strv_free(l);
|
2011-04-16 02:02:54 +02:00
|
|
|
l = u;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (strv_isempty(l)) {
|
|
|
|
if (unlink("/etc/machine-info") < 0)
|
|
|
|
return errno == ENOENT ? 0 : -errno;
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2013-11-21 19:32:33 +01:00
|
|
|
return write_env_file_label("/etc/machine-info", l);
|
2011-04-16 02:02:54 +02:00
|
|
|
}
|
|
|
|
|
2013-10-18 00:47:41 +02:00
|
|
|
static int property_get_icon_name(
|
|
|
|
sd_bus *bus,
|
|
|
|
const char *path,
|
|
|
|
const char *interface,
|
|
|
|
const char *property,
|
|
|
|
sd_bus_message *reply,
|
2013-11-21 19:34:37 +01:00
|
|
|
void *userdata,
|
|
|
|
sd_bus_error *error) {
|
2011-04-16 02:02:54 +02:00
|
|
|
|
2013-10-18 00:47:41 +02:00
|
|
|
_cleanup_free_ char *n = NULL;
|
|
|
|
Context *c = userdata;
|
|
|
|
const char *name;
|
2011-04-16 02:02:54 +02:00
|
|
|
|
2013-10-18 00:47:41 +02:00
|
|
|
if (isempty(c->data[PROP_ICON_NAME]))
|
|
|
|
name = n = context_fallback_icon_name(c);
|
2011-04-16 02:02:54 +02:00
|
|
|
else
|
2013-10-18 00:47:41 +02:00
|
|
|
name = c->data[PROP_ICON_NAME];
|
|
|
|
|
|
|
|
if (!name)
|
|
|
|
return -ENOMEM;
|
2011-04-16 02:02:54 +02:00
|
|
|
|
2013-11-21 19:34:37 +01:00
|
|
|
return sd_bus_message_append(reply, "s", name);
|
2011-04-16 02:02:54 +02:00
|
|
|
}
|
|
|
|
|
2013-10-18 00:47:41 +02:00
|
|
|
static int property_get_chassis(
|
|
|
|
sd_bus *bus,
|
|
|
|
const char *path,
|
|
|
|
const char *interface,
|
|
|
|
const char *property,
|
|
|
|
sd_bus_message *reply,
|
2013-11-21 19:34:37 +01:00
|
|
|
void *userdata,
|
|
|
|
sd_bus_error *error) {
|
2012-12-24 19:03:59 +01:00
|
|
|
|
2013-10-18 00:47:41 +02:00
|
|
|
Context *c = userdata;
|
|
|
|
const char *name;
|
2012-12-24 19:03:59 +01:00
|
|
|
|
2013-10-18 00:47:41 +02:00
|
|
|
if (isempty(c->data[PROP_CHASSIS]))
|
2012-12-24 19:03:59 +01:00
|
|
|
name = fallback_chassis();
|
|
|
|
else
|
2013-10-18 00:47:41 +02:00
|
|
|
name = c->data[PROP_CHASSIS];
|
2012-12-24 19:03:59 +01:00
|
|
|
|
2013-11-21 19:34:37 +01:00
|
|
|
return sd_bus_message_append(reply, "s", name);
|
2012-12-24 19:03:59 +01:00
|
|
|
}
|
|
|
|
|
2015-04-29 18:35:10 +02:00
|
|
|
static int method_set_hostname(sd_bus_message *m, void *userdata, sd_bus_error *error) {
|
2013-10-18 00:47:41 +02:00
|
|
|
Context *c = userdata;
|
|
|
|
const char *name;
|
2013-11-07 02:03:10 +01:00
|
|
|
int interactive;
|
2013-10-18 00:47:41 +02:00
|
|
|
char *h;
|
|
|
|
int r;
|
2012-01-16 00:23:59 +01:00
|
|
|
|
2015-04-29 18:35:10 +02:00
|
|
|
assert(m);
|
|
|
|
assert(c);
|
|
|
|
|
2013-10-18 00:47:41 +02:00
|
|
|
r = sd_bus_message_read(m, "sb", &name, &interactive);
|
|
|
|
if (r < 0)
|
2013-11-21 19:34:37 +01:00
|
|
|
return r;
|
2012-01-16 00:23:59 +01:00
|
|
|
|
2013-10-18 00:47:41 +02:00
|
|
|
if (isempty(name))
|
|
|
|
name = c->data[PROP_STATIC_HOSTNAME];
|
2011-04-16 02:02:54 +02:00
|
|
|
|
2013-10-18 00:47:41 +02:00
|
|
|
if (isempty(name))
|
|
|
|
name = "localhost";
|
2011-04-16 02:02:54 +02:00
|
|
|
|
2013-10-18 00:47:41 +02:00
|
|
|
if (!hostname_is_valid(name))
|
2013-11-21 19:34:37 +01:00
|
|
|
return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid hostname '%s'", name);
|
2011-04-16 02:02:54 +02:00
|
|
|
|
2013-10-18 00:47:41 +02:00
|
|
|
if (streq_ptr(name, c->data[PROP_HOSTNAME]))
|
2013-11-21 01:51:16 +01:00
|
|
|
return sd_bus_reply_method_return(m, NULL);
|
2011-04-16 02:02:54 +02:00
|
|
|
|
2015-02-18 12:55:25 +01:00
|
|
|
r = bus_verify_polkit_async(
|
|
|
|
m,
|
|
|
|
CAP_SYS_ADMIN,
|
|
|
|
"org.freedesktop.hostname1.set-hostname",
|
|
|
|
interactive,
|
|
|
|
UID_INVALID,
|
|
|
|
&c->polkit_registry,
|
|
|
|
error);
|
2013-10-18 00:47:41 +02:00
|
|
|
if (r < 0)
|
2013-11-21 19:34:37 +01:00
|
|
|
return r;
|
2013-10-18 00:47:41 +02:00
|
|
|
if (r == 0)
|
|
|
|
return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
|
2011-04-16 02:02:54 +02:00
|
|
|
|
2013-10-18 00:47:41 +02:00
|
|
|
h = strdup(name);
|
|
|
|
if (!h)
|
2013-11-21 19:34:37 +01:00
|
|
|
return -ENOMEM;
|
2011-04-16 02:02:54 +02:00
|
|
|
|
2013-10-18 00:47:41 +02:00
|
|
|
free(c->data[PROP_HOSTNAME]);
|
|
|
|
c->data[PROP_HOSTNAME] = h;
|
2011-04-16 02:02:54 +02:00
|
|
|
|
2014-02-12 09:46:31 +01:00
|
|
|
r = context_update_kernel_hostname(c);
|
2013-10-18 00:47:41 +02:00
|
|
|
if (r < 0) {
|
2014-11-28 13:19:16 +01:00
|
|
|
log_error_errno(r, "Failed to set host name: %m");
|
2013-11-21 19:34:37 +01:00
|
|
|
return sd_bus_error_set_errnof(error, r, "Failed to set hostname: %s", strerror(-r));
|
2013-10-18 00:47:41 +02:00
|
|
|
}
|
2011-04-16 02:02:54 +02:00
|
|
|
|
2013-10-18 00:47:41 +02:00
|
|
|
log_info("Changed host name to '%s'", strna(c->data[PROP_HOSTNAME]));
|
2011-04-16 02:02:54 +02:00
|
|
|
|
2015-04-29 18:35:10 +02:00
|
|
|
(void) sd_bus_emit_properties_changed(sd_bus_message_get_bus(m), "/org/freedesktop/hostname1", "org.freedesktop.hostname1", "Hostname", NULL);
|
2011-04-16 02:02:54 +02:00
|
|
|
|
2013-11-21 01:51:16 +01:00
|
|
|
return sd_bus_reply_method_return(m, NULL);
|
2013-10-18 00:47:41 +02:00
|
|
|
}
|
2011-04-16 02:02:54 +02:00
|
|
|
|
2015-04-29 18:35:10 +02:00
|
|
|
static int method_set_static_hostname(sd_bus_message *m, void *userdata, sd_bus_error *error) {
|
2013-10-18 00:47:41 +02:00
|
|
|
Context *c = userdata;
|
|
|
|
const char *name;
|
2013-11-07 02:03:10 +01:00
|
|
|
int interactive;
|
2013-10-18 00:47:41 +02:00
|
|
|
int r;
|
2011-04-16 02:02:54 +02:00
|
|
|
|
2015-04-29 18:35:10 +02:00
|
|
|
assert(m);
|
|
|
|
assert(c);
|
|
|
|
|
2013-10-18 00:47:41 +02:00
|
|
|
r = sd_bus_message_read(m, "sb", &name, &interactive);
|
|
|
|
if (r < 0)
|
2013-11-21 19:34:37 +01:00
|
|
|
return r;
|
2011-04-16 02:02:54 +02:00
|
|
|
|
2013-10-18 00:47:41 +02:00
|
|
|
if (isempty(name))
|
|
|
|
name = NULL;
|
2011-04-16 02:02:54 +02:00
|
|
|
|
2013-10-18 00:47:41 +02:00
|
|
|
if (streq_ptr(name, c->data[PROP_STATIC_HOSTNAME]))
|
2013-11-21 01:51:16 +01:00
|
|
|
return sd_bus_reply_method_return(m, NULL);
|
2011-04-16 02:02:54 +02:00
|
|
|
|
2015-02-18 12:55:25 +01:00
|
|
|
r = bus_verify_polkit_async(
|
|
|
|
m,
|
|
|
|
CAP_SYS_ADMIN,
|
|
|
|
"org.freedesktop.hostname1.set-static-hostname",
|
|
|
|
interactive,
|
|
|
|
UID_INVALID,
|
|
|
|
&c->polkit_registry,
|
|
|
|
error);
|
2013-10-18 00:47:41 +02:00
|
|
|
if (r < 0)
|
2013-11-21 19:34:37 +01:00
|
|
|
return r;
|
2013-10-18 00:47:41 +02:00
|
|
|
if (r == 0)
|
|
|
|
return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
|
2011-04-16 02:02:54 +02:00
|
|
|
|
2013-10-18 00:47:41 +02:00
|
|
|
if (isempty(name)) {
|
|
|
|
free(c->data[PROP_STATIC_HOSTNAME]);
|
|
|
|
c->data[PROP_STATIC_HOSTNAME] = NULL;
|
|
|
|
} else {
|
|
|
|
char *h;
|
2011-04-16 02:02:54 +02:00
|
|
|
|
2013-10-18 00:47:41 +02:00
|
|
|
if (!hostname_is_valid(name))
|
2013-11-21 19:34:37 +01:00
|
|
|
return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid static hostname '%s'", name);
|
2011-04-16 02:02:54 +02:00
|
|
|
|
2013-10-18 00:47:41 +02:00
|
|
|
h = strdup(name);
|
|
|
|
if (!h)
|
2013-11-21 19:34:37 +01:00
|
|
|
return -ENOMEM;
|
2011-04-16 02:02:54 +02:00
|
|
|
|
2013-10-18 00:47:41 +02:00
|
|
|
free(c->data[PROP_STATIC_HOSTNAME]);
|
|
|
|
c->data[PROP_STATIC_HOSTNAME] = h;
|
|
|
|
}
|
2011-04-16 02:02:54 +02:00
|
|
|
|
2014-02-12 09:46:31 +01:00
|
|
|
r = context_update_kernel_hostname(c);
|
|
|
|
if (r < 0) {
|
2014-11-28 13:19:16 +01:00
|
|
|
log_error_errno(r, "Failed to set host name: %m");
|
2014-02-12 09:46:31 +01:00
|
|
|
return sd_bus_error_set_errnof(error, r, "Failed to set hostname: %s", strerror(-r));
|
|
|
|
}
|
|
|
|
|
2013-10-18 00:47:41 +02:00
|
|
|
r = context_write_data_static_hostname(c);
|
|
|
|
if (r < 0) {
|
2014-11-28 13:19:16 +01:00
|
|
|
log_error_errno(r, "Failed to write static host name: %m");
|
2013-11-21 19:34:37 +01:00
|
|
|
return sd_bus_error_set_errnof(error, r, "Failed to set static hostname: %s", strerror(-r));
|
2013-10-18 00:47:41 +02:00
|
|
|
}
|
2011-04-16 02:02:54 +02:00
|
|
|
|
2013-10-18 00:47:41 +02:00
|
|
|
log_info("Changed static host name to '%s'", strna(c->data[PROP_STATIC_HOSTNAME]));
|
2011-04-16 02:02:54 +02:00
|
|
|
|
2015-04-29 18:35:10 +02:00
|
|
|
(void) sd_bus_emit_properties_changed(sd_bus_message_get_bus(m), "/org/freedesktop/hostname1", "org.freedesktop.hostname1", "StaticHostname", NULL);
|
2011-04-16 02:02:54 +02:00
|
|
|
|
2013-11-21 01:51:16 +01:00
|
|
|
return sd_bus_reply_method_return(m, NULL);
|
2013-10-18 00:47:41 +02:00
|
|
|
}
|
2011-04-16 02:02:54 +02:00
|
|
|
|
2015-04-29 18:35:10 +02:00
|
|
|
static int set_machine_info(Context *c, sd_bus_message *m, int prop, sd_bus_message_handler_t cb, sd_bus_error *error) {
|
2013-11-07 02:03:10 +01:00
|
|
|
int interactive;
|
2013-10-18 00:47:41 +02:00
|
|
|
const char *name;
|
|
|
|
int r;
|
|
|
|
|
|
|
|
assert(c);
|
|
|
|
assert(m);
|
|
|
|
|
|
|
|
r = sd_bus_message_read(m, "sb", &name, &interactive);
|
|
|
|
if (r < 0)
|
2013-11-21 19:34:37 +01:00
|
|
|
return r;
|
2013-10-18 00:47:41 +02:00
|
|
|
|
|
|
|
if (isempty(name))
|
|
|
|
name = NULL;
|
|
|
|
|
|
|
|
if (streq_ptr(name, c->data[prop]))
|
2013-11-21 01:51:16 +01:00
|
|
|
return sd_bus_reply_method_return(m, NULL);
|
2011-04-16 02:02:54 +02:00
|
|
|
|
2013-10-18 00:47:41 +02:00
|
|
|
/* Since the pretty hostname should always be changed at the
|
|
|
|
* same time as the static one, use the same policy action for
|
|
|
|
* both... */
|
|
|
|
|
2015-02-18 12:55:25 +01:00
|
|
|
r = bus_verify_polkit_async(
|
|
|
|
m,
|
|
|
|
CAP_SYS_ADMIN,
|
|
|
|
prop == PROP_PRETTY_HOSTNAME ? "org.freedesktop.hostname1.set-static-hostname" : "org.freedesktop.hostname1.set-machine-info",
|
|
|
|
interactive,
|
|
|
|
UID_INVALID,
|
|
|
|
&c->polkit_registry,
|
|
|
|
error);
|
2013-10-18 00:47:41 +02:00
|
|
|
if (r < 0)
|
2013-11-21 19:34:37 +01:00
|
|
|
return r;
|
2013-10-18 00:47:41 +02:00
|
|
|
if (r == 0)
|
|
|
|
return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
|
|
|
|
|
|
|
|
if (isempty(name)) {
|
|
|
|
free(c->data[prop]);
|
|
|
|
c->data[prop] = NULL;
|
|
|
|
} else {
|
|
|
|
char *h;
|
|
|
|
|
|
|
|
/* The icon name might ultimately be used as file
|
|
|
|
* name, so better be safe than sorry */
|
|
|
|
|
2014-12-12 02:32:33 +01:00
|
|
|
if (prop == PROP_ICON_NAME && !filename_is_valid(name))
|
2013-11-21 19:34:37 +01:00
|
|
|
return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid icon name '%s'", name);
|
2014-07-07 12:04:55 +02:00
|
|
|
if (prop == PROP_PRETTY_HOSTNAME && string_has_cc(name, NULL))
|
2013-11-21 19:34:37 +01:00
|
|
|
return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid pretty host name '%s'", name);
|
2013-10-18 00:47:41 +02:00
|
|
|
if (prop == PROP_CHASSIS && !valid_chassis(name))
|
2013-11-21 19:34:37 +01:00
|
|
|
return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid chassis '%s'", name);
|
2014-07-08 23:26:05 +02:00
|
|
|
if (prop == PROP_DEPLOYMENT && !valid_deployment(name))
|
|
|
|
return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid deployment '%s'", name);
|
2014-07-11 15:50:32 +02:00
|
|
|
if (prop == PROP_LOCATION && string_has_cc(name, NULL))
|
|
|
|
return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid location '%s'", name);
|
2013-10-18 00:47:41 +02:00
|
|
|
|
|
|
|
h = strdup(name);
|
|
|
|
if (!h)
|
2013-11-21 19:34:37 +01:00
|
|
|
return -ENOMEM;
|
2013-10-18 00:47:41 +02:00
|
|
|
|
|
|
|
free(c->data[prop]);
|
|
|
|
c->data[prop] = h;
|
2011-04-16 02:02:54 +02:00
|
|
|
}
|
|
|
|
|
2014-03-11 14:57:14 +01:00
|
|
|
r = context_write_data_machine_info(c);
|
2013-10-18 00:47:41 +02:00
|
|
|
if (r < 0) {
|
2014-11-28 13:19:16 +01:00
|
|
|
log_error_errno(r, "Failed to write machine info: %m");
|
2013-11-21 19:34:37 +01:00
|
|
|
return sd_bus_error_set_errnof(error, r, "Failed to write machine info: %s", strerror(-r));
|
2013-10-18 00:47:41 +02:00
|
|
|
}
|
2011-04-16 02:02:54 +02:00
|
|
|
|
2013-10-18 00:47:41 +02:00
|
|
|
log_info("Changed %s to '%s'",
|
|
|
|
prop == PROP_PRETTY_HOSTNAME ? "pretty host name" :
|
2014-07-08 23:26:05 +02:00
|
|
|
prop == PROP_DEPLOYMENT ? "deployment" :
|
2014-07-11 15:50:32 +02:00
|
|
|
prop == PROP_LOCATION ? "location" :
|
2013-10-18 00:47:41 +02:00
|
|
|
prop == PROP_CHASSIS ? "chassis" : "icon name", strna(c->data[prop]));
|
2011-04-16 02:02:54 +02:00
|
|
|
|
2015-04-29 18:35:10 +02:00
|
|
|
(void) sd_bus_emit_properties_changed(
|
|
|
|
sd_bus_message_get_bus(m),
|
|
|
|
"/org/freedesktop/hostname1",
|
|
|
|
"org.freedesktop.hostname1",
|
|
|
|
prop == PROP_PRETTY_HOSTNAME ? "PrettyHostname" :
|
|
|
|
prop == PROP_DEPLOYMENT ? "Deployment" :
|
|
|
|
prop == PROP_LOCATION ? "Location" :
|
|
|
|
prop == PROP_CHASSIS ? "Chassis" : "IconName" , NULL);
|
2011-04-16 02:02:54 +02:00
|
|
|
|
2013-11-21 01:51:16 +01:00
|
|
|
return sd_bus_reply_method_return(m, NULL);
|
2013-10-18 00:47:41 +02:00
|
|
|
}
|
2011-04-16 02:02:54 +02:00
|
|
|
|
2015-04-29 18:35:10 +02:00
|
|
|
static int method_set_pretty_hostname(sd_bus_message *m, void *userdata, sd_bus_error *error) {
|
|
|
|
return set_machine_info(userdata, m, PROP_PRETTY_HOSTNAME, method_set_pretty_hostname, error);
|
2011-04-16 02:02:54 +02:00
|
|
|
}
|
|
|
|
|
2015-04-29 18:35:10 +02:00
|
|
|
static int method_set_icon_name(sd_bus_message *m, void *userdata, sd_bus_error *error) {
|
|
|
|
return set_machine_info(userdata, m, PROP_ICON_NAME, method_set_icon_name, error);
|
2013-10-18 00:47:41 +02:00
|
|
|
}
|
|
|
|
|
2015-04-29 18:35:10 +02:00
|
|
|
static int method_set_chassis(sd_bus_message *m, void *userdata, sd_bus_error *error) {
|
|
|
|
return set_machine_info(userdata, m, PROP_CHASSIS, method_set_chassis, error);
|
2013-10-18 00:47:41 +02:00
|
|
|
}
|
|
|
|
|
2015-04-29 18:35:10 +02:00
|
|
|
static int method_set_deployment(sd_bus_message *m, void *userdata, sd_bus_error *error) {
|
|
|
|
return set_machine_info(userdata, m, PROP_DEPLOYMENT, method_set_deployment, error);
|
2014-07-08 23:26:05 +02:00
|
|
|
}
|
|
|
|
|
2015-04-29 18:35:10 +02:00
|
|
|
static int method_set_location(sd_bus_message *m, void *userdata, sd_bus_error *error) {
|
|
|
|
return set_machine_info(userdata, m, PROP_LOCATION, method_set_location, error);
|
2014-07-11 15:50:32 +02:00
|
|
|
}
|
|
|
|
|
2013-10-18 00:47:41 +02:00
|
|
|
static const sd_bus_vtable hostname_vtable[] = {
|
|
|
|
SD_BUS_VTABLE_START(0),
|
2014-09-16 17:33:20 +02:00
|
|
|
SD_BUS_PROPERTY("Hostname", "s", NULL, offsetof(Context, data) + sizeof(char*) * PROP_HOSTNAME, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
|
2013-10-18 00:47:41 +02:00
|
|
|
SD_BUS_PROPERTY("StaticHostname", "s", NULL, offsetof(Context, data) + sizeof(char*) * PROP_STATIC_HOSTNAME, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
|
|
|
|
SD_BUS_PROPERTY("PrettyHostname", "s", NULL, offsetof(Context, data) + sizeof(char*) * PROP_PRETTY_HOSTNAME, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
|
|
|
|
SD_BUS_PROPERTY("IconName", "s", property_get_icon_name, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
|
|
|
|
SD_BUS_PROPERTY("Chassis", "s", property_get_chassis, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
|
2014-07-11 15:50:32 +02:00
|
|
|
SD_BUS_PROPERTY("Deployment", "s", NULL, offsetof(Context, data) + sizeof(char*) * PROP_DEPLOYMENT, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
|
|
|
|
SD_BUS_PROPERTY("Location", "s", NULL, offsetof(Context, data) + sizeof(char*) * PROP_LOCATION, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
|
2014-04-23 23:41:12 +02:00
|
|
|
SD_BUS_PROPERTY("KernelName", "s", NULL, offsetof(Context, data) + sizeof(char*) * PROP_KERNEL_NAME, SD_BUS_VTABLE_PROPERTY_CONST),
|
|
|
|
SD_BUS_PROPERTY("KernelRelease", "s", NULL, offsetof(Context, data) + sizeof(char*) * PROP_KERNEL_RELEASE, SD_BUS_VTABLE_PROPERTY_CONST),
|
2014-04-24 00:03:34 +02:00
|
|
|
SD_BUS_PROPERTY("KernelVersion", "s", NULL, offsetof(Context, data) + sizeof(char*) * PROP_KERNEL_VERSION, SD_BUS_VTABLE_PROPERTY_CONST),
|
2014-03-11 14:57:15 +01:00
|
|
|
SD_BUS_PROPERTY("OperatingSystemPrettyName", "s", NULL, offsetof(Context, data) + sizeof(char*) * PROP_OS_PRETTY_NAME, SD_BUS_VTABLE_PROPERTY_CONST),
|
|
|
|
SD_BUS_PROPERTY("OperatingSystemCPEName", "s", NULL, offsetof(Context, data) + sizeof(char*) * PROP_OS_CPE_NAME, SD_BUS_VTABLE_PROPERTY_CONST),
|
2013-12-10 17:41:39 +01:00
|
|
|
SD_BUS_METHOD("SetHostname", "sb", NULL, method_set_hostname, SD_BUS_VTABLE_UNPRIVILEGED),
|
|
|
|
SD_BUS_METHOD("SetStaticHostname", "sb", NULL, method_set_static_hostname, SD_BUS_VTABLE_UNPRIVILEGED),
|
|
|
|
SD_BUS_METHOD("SetPrettyHostname", "sb", NULL, method_set_pretty_hostname, SD_BUS_VTABLE_UNPRIVILEGED),
|
|
|
|
SD_BUS_METHOD("SetIconName", "sb", NULL, method_set_icon_name, SD_BUS_VTABLE_UNPRIVILEGED),
|
|
|
|
SD_BUS_METHOD("SetChassis", "sb", NULL, method_set_chassis, SD_BUS_VTABLE_UNPRIVILEGED),
|
2014-07-08 23:26:05 +02:00
|
|
|
SD_BUS_METHOD("SetDeployment", "sb", NULL, method_set_deployment, SD_BUS_VTABLE_UNPRIVILEGED),
|
2014-07-11 15:50:32 +02:00
|
|
|
SD_BUS_METHOD("SetLocation", "sb", NULL, method_set_location, SD_BUS_VTABLE_UNPRIVILEGED),
|
2013-10-18 00:47:41 +02:00
|
|
|
SD_BUS_VTABLE_END,
|
|
|
|
};
|
|
|
|
|
|
|
|
static int connect_bus(Context *c, sd_event *event, sd_bus **_bus) {
|
2015-07-03 19:49:03 +02:00
|
|
|
_cleanup_bus_flush_close_unref_ sd_bus *bus = NULL;
|
2011-04-16 02:02:54 +02:00
|
|
|
int r;
|
|
|
|
|
2013-10-18 00:47:41 +02:00
|
|
|
assert(c);
|
|
|
|
assert(event);
|
2011-05-23 21:38:20 +02:00
|
|
|
assert(_bus);
|
|
|
|
|
2013-11-11 22:00:48 +01:00
|
|
|
r = sd_bus_default_system(&bus);
|
2014-11-28 18:23:20 +01:00
|
|
|
if (r < 0)
|
|
|
|
return log_error_errno(r, "Failed to get system bus connection: %m");
|
2011-05-23 21:38:20 +02:00
|
|
|
|
2014-05-15 01:15:30 +02:00
|
|
|
r = sd_bus_add_object_vtable(bus, NULL, "/org/freedesktop/hostname1", "org.freedesktop.hostname1", hostname_vtable, c);
|
2014-11-28 18:23:20 +01:00
|
|
|
if (r < 0)
|
|
|
|
return log_error_errno(r, "Failed to register object: %m");
|
2011-05-23 21:38:20 +02:00
|
|
|
|
2013-12-12 20:26:48 +01:00
|
|
|
r = sd_bus_request_name(bus, "org.freedesktop.hostname1", 0);
|
2014-11-28 18:23:20 +01:00
|
|
|
if (r < 0)
|
|
|
|
return log_error_errno(r, "Failed to register name: %m");
|
2011-06-27 23:15:57 +02:00
|
|
|
|
2013-10-18 00:47:41 +02:00
|
|
|
r = sd_bus_attach_event(bus, event, 0);
|
2014-11-28 18:23:20 +01:00
|
|
|
if (r < 0)
|
|
|
|
return log_error_errno(r, "Failed to attach bus to event loop: %m");
|
2011-05-23 21:38:20 +02:00
|
|
|
|
2013-10-18 00:47:41 +02:00
|
|
|
*_bus = bus;
|
|
|
|
bus = NULL;
|
2011-05-23 21:38:20 +02:00
|
|
|
|
2013-10-18 00:47:41 +02:00
|
|
|
return 0;
|
2011-05-23 21:38:20 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
int main(int argc, char *argv[]) {
|
2013-10-18 00:47:41 +02:00
|
|
|
Context context = {};
|
|
|
|
_cleanup_event_unref_ sd_event *event = NULL;
|
2015-07-03 19:49:03 +02:00
|
|
|
_cleanup_bus_flush_close_unref_ sd_bus *bus = NULL;
|
2011-05-23 21:38:20 +02:00
|
|
|
int r;
|
|
|
|
|
2011-04-16 02:02:54 +02:00
|
|
|
log_set_target(LOG_TARGET_AUTO);
|
|
|
|
log_parse_environment();
|
|
|
|
log_open();
|
|
|
|
|
2011-08-01 20:52:18 +02:00
|
|
|
umask(0022);
|
2014-10-23 10:23:46 +02:00
|
|
|
mac_selinux_init("/etc");
|
2011-08-01 20:52:18 +02:00
|
|
|
|
2011-04-16 02:02:54 +02:00
|
|
|
if (argc != 1) {
|
|
|
|
log_error("This program takes no arguments.");
|
|
|
|
r = -EINVAL;
|
|
|
|
goto finish;
|
|
|
|
}
|
|
|
|
|
2013-10-18 00:47:41 +02:00
|
|
|
if (argc != 1) {
|
|
|
|
log_error("This program takes no arguments.");
|
|
|
|
r = -EINVAL;
|
|
|
|
goto finish;
|
|
|
|
}
|
|
|
|
|
2013-11-11 19:34:13 +01:00
|
|
|
r = sd_event_default(&event);
|
2011-04-16 02:02:54 +02:00
|
|
|
if (r < 0) {
|
2014-11-28 13:19:16 +01:00
|
|
|
log_error_errno(r, "Failed to allocate event loop: %m");
|
2011-04-16 02:02:54 +02:00
|
|
|
goto finish;
|
|
|
|
}
|
|
|
|
|
2013-12-11 18:14:52 +01:00
|
|
|
sd_event_set_watchdog(event, true);
|
|
|
|
|
2013-10-18 00:47:41 +02:00
|
|
|
r = connect_bus(&context, event, &bus);
|
2011-05-23 21:38:20 +02:00
|
|
|
if (r < 0)
|
2011-04-16 02:02:54 +02:00
|
|
|
goto finish;
|
|
|
|
|
2013-10-18 00:47:41 +02:00
|
|
|
r = context_read_data(&context);
|
|
|
|
if (r < 0) {
|
2014-11-28 13:19:16 +01:00
|
|
|
log_error_errno(r, "Failed to read hostname and machine information: %m");
|
2013-10-18 00:47:41 +02:00
|
|
|
goto finish;
|
|
|
|
}
|
2011-09-03 03:26:58 +02:00
|
|
|
|
2013-12-19 21:14:52 +01:00
|
|
|
r = bus_event_loop_with_idle(event, bus, "org.freedesktop.hostname1", DEFAULT_EXIT_USEC, NULL, NULL);
|
2013-10-18 00:47:41 +02:00
|
|
|
if (r < 0) {
|
2014-11-28 13:19:16 +01:00
|
|
|
log_error_errno(r, "Failed to run event loop: %m");
|
2013-10-18 00:47:41 +02:00
|
|
|
goto finish;
|
2011-09-03 03:26:58 +02:00
|
|
|
}
|
2011-04-16 02:02:54 +02:00
|
|
|
|
|
|
|
finish:
|
2014-08-06 07:57:43 +02:00
|
|
|
context_free(&context);
|
2011-04-16 02:02:54 +02:00
|
|
|
|
|
|
|
return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
|
|
|
|
}
|