[systembsd.git] / src / interfaces / hostnamed / hostnamed.c

/*
 * Copyright (c) 2014 Ian Sutton <ian@kremlin.cc>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#include <unistd.h>
#include <limits.h>
#include <signal.h>

#include <sys/param.h>
#include <string.h>

#include <glib/gprintf.h>
#include <glib-unix.h>

#include "hostnamed-gen.h"
#include "hostnamed.h"

GPtrArray *hostnamed_freeable;
Hostname1 *hostnamed_interf;

GMainLoop *hostnamed_loop;

guint bus_descriptor;
gboolean dbus_interface_exported; /* reliable because of gdbus operational guarantees */

/* --- begin method/property/dbus signal code --- */

static gboolean
on_handle_set_hostname(Hostname1 *hn1_passed_interf,
                       GDBusMethodInvocation *invoc,
                       const gchar *greet,
                       gpointer data) {
    return FALSE;
}

static gboolean
on_handle_set_static_hostname(Hostname1 *hn1_passed_interf,
                              GDBusMethodInvocation *invoc,
                              const gchar *greet,
                              gpointer data) {
    return FALSE;
}

static gboolean
on_handle_set_pretty_hostname(Hostname1 *hn1_passed_interf,
                              GDBusMethodInvocation *invoc,
                              const gchar *greet,
                              gpointer data) {
    return FALSE;
}

static gboolean
on_handle_set_chassis(Hostname1 *hn1_passed_interf,
                      GDBusMethodInvocation *invoc,
                      const gchar *greet,
                      gpointer data) {
    return FALSE;
}

static gboolean
on_handle_set_icon_name(Hostname1 *hn1_passed_interf,
                        GDBusMethodInvocation *invoc,
                        const gchar *greet,
                        gpointer data) {
    return FALSE;
}

/* note: all hostnamed/hostname1's properties are read-only,
 * and do not need set_ functions, gdbus-codegen realized
 * this from the XML and handled the to-be error of trying
 * to set a read-only property's value 
 */

const gchar *
our_get_hostname() {

    gchar *hostname_buf, *ret;
    size_t hostname_divider;

    hostname_buf = (gchar*) g_malloc0(MAXHOSTNAMELEN);
    ret          = (gchar*) g_malloc0(MAXHOSTNAMELEN);

    g_ptr_array_add(hostnamed_freeable, hostname_buf);
    g_ptr_array_add(hostnamed_freeable, ret);

    if(gethostname(hostname_buf, MAXHOSTNAMELEN) || g_strcmp0(hostname_buf, "") == 0) 
        return "localhost"; 

    hostname_divider = strcspn(hostname_buf, ".");

    return strncpy(ret, hostname_buf, hostname_divider);
}

const gchar *
our_get_static_hostname() {

    gchar *pretty_hostname;
    gchar *ret;

    pretty_hostname = our_get_pretty_hostname();

    if(g_strcmp0(pretty_hostname, "") == 0)
        ret = our_get_hostname();

    else if(ret = g_hostname_to_ascii(pretty_hostname)) {

        g_ptr_array_add(hostnamed_freeable, ret);
        return ret;
    }

    return ret;
}

const gchar *
our_get_pretty_hostname() {

    GKeyFile *config;
    gchar *ret;

    if(g_key_file_load_from_file(config, "/etc/systemd_compat.conf", G_KEY_FILE_NONE, NULL)
        && ret = g_key_file_get_value(config, "hostnamed", "PrettyHostname", NULL)) { /* ret might need to be freed, docs dont specify but i am suspicious */

        g_free(config);
        return ret;
    }

    if(config)
        g_free(config);

    return "";
}

const gchar *
our_get_chassis() {

    return "TODO";
}

const gchar *
our_get_icon_name() {

    return "TODO";
}

const gchar *
our_get_kernel_name() {

    return "TODO";
}

const gchar *
our_get_kernel_version() {

    return "TODO";
}

const gchar *
our_get_kernel_release() {

    return "TODO";
}

const gchar *
our_get_os_cpename() {

    return "TODO";
}

const gchar *
our_get_os_pretty_name() {

    return "TODO";
}

/* --- end method/property/dbus signal code, begin bus/name handlers --- */

static void hostnamed_on_bus_acquired(GDBusConnection *conn,
                            const gchar *name,
                            gpointer user_data) {

    g_printf("got bus/name, exporting %s's interface...\n", name);

    hostnamed_interf = hostname1_skeleton_new();

    /* attach function pointers to generated struct's method handlers */
    g_signal_connect(hostnamed_interf, "handle-set-hostname", G_CALLBACK(on_handle_set_hostname), NULL);
    g_signal_connect(hostnamed_interf, "handle-set-static-hostname", G_CALLBACK(on_handle_set_static_hostname), NULL);
    g_signal_connect(hostnamed_interf, "handle-set-pretty-hostname", G_CALLBACK(on_handle_set_pretty_hostname), NULL);
    g_signal_connect(hostnamed_interf, "handle-set-chassis", G_CALLBACK(on_handle_set_chassis), NULL);
    g_signal_connect(hostnamed_interf, "handle-set-icon-name", G_CALLBACK(on_handle_set_icon_name), NULL);

    /* set our properties before export */
    hostname1_set_hostname(hostnamed_interf, our_get_hostname());
    hostname1_set_static_hostname(hostnamed_interf, our_get_static_hostname());
    hostname1_set_pretty_hostname(hostnamed_interf, our_get_pretty_hostname());
    hostname1_set_chassis(hostnamed_interf, our_get_chassis());
    hostname1_set_icon_name(hostnamed_interf, our_get_icon_name());
    hostname1_set_kernel_name(hostnamed_interf, our_get_kernel_name());
    hostname1_set_kernel_version(hostnamed_interf, our_get_kernel_version());
    hostname1_set_kernel_release(hostnamed_interf, our_get_kernel_release());
    hostname1_set_operating_system_cpename(hostnamed_interf, our_get_os_cpename());
    hostname1_set_operating_system_pretty_name(hostnamed_interf, our_get_os_pretty_name());
 
    if(!g_dbus_interface_skeleton_export(G_DBUS_INTERFACE_SKELETON(hostnamed_interf),
                                         conn,
                                         "/org/freedesktop/hostname1",
                                         NULL)) {

        g_printf("failed to export %s's interface!\n", name); /* unusual edge case, TODO check errno */
        hostnamed_mem_clean();

    } else {

        dbus_interface_exported = TRUE;
        g_printf("exported %s's interface on the system bus...\n", name);
    }
}

static void hostnamed_on_name_acquired(GDBusConnection *conn,
                                       const gchar *name,
                                       gpointer user_data) {

    g_printf("success!\n");
}

static void hostnamed_on_name_lost(GDBusConnection *conn,
                                   const gchar *name,
                                   gpointer user_data) {

    if(!conn) {

        g_printf("failed to connect to the system bus while trying to acquire name '%s': either dbus-daemon isn't running or we don't have permission to push names and/or their interfaces to it.\n", name);
        hostnamed_mem_clean();
    }

    g_printf("lost name %s, exiting...\n", name);

    hostnamed_mem_clean();
}

/* --- end bus/name handlers, begin misc unix functions --- */

/* safe call to clean and then exit
 * this stops our GMainLoop safely before letting main() return */
void hostnamed_mem_clean() {

    g_printf("exiting...\n");

    if(dbus_interface_exported)
        g_dbus_interface_skeleton_unexport(G_DBUS_INTERFACE_SKELETON(hostnamed_interf));

    if(g_main_loop_is_running(hostnamed_loop)) 
        g_main_loop_quit(hostnamed_loop);

}

/* wrapper for glib's unix signal handling; called only once if terminatating signal is raised against us */
gboolean unix_sig_terminate_handler(gpointer data) {

    g_printf("caught SIGINT/HUP/TERM, exiting\n");

    hostnamed_mem_clean();
    return G_SOURCE_REMOVE; 
}

void set_signal_handlers() {

    /* we don't care about its descriptor, we never need to unregister these */
    g_unix_signal_add(SIGINT,  unix_sig_terminate_handler, NULL);
    g_unix_signal_add(SIGHUP,  unix_sig_terminate_handler, NULL);
    g_unix_signal_add(SIGTERM, unix_sig_terminate_handler, NULL);

    /* TODO: the "only once" guarantee only counts towards specific signals.
     *       make sure calling a SIGINT and SIGHUP doesn't cause term_handler()
     *       to be called twice */
}

int main() {
    
    set_signal_handlers();

    hostnamed_loop = g_main_loop_new(NULL, TRUE);
    hostnamed_freeable = g_ptr_array_new();

    bus_descriptor = g_bus_own_name(G_BUS_TYPE_SYSTEM,
                                   "org.freedesktop.hostname1",
                                   G_BUS_NAME_OWNER_FLAGS_NONE,
                                   hostnamed_on_bus_acquired,
                                   hostnamed_on_name_acquired,
                                   hostnamed_on_name_lost,
                                   NULL,
                                   NULL);

    g_main_loop_run(hostnamed_loop);
    /* runs until single g_main_loop_quit() call is raised inside <interface>_mem_clean() */
    g_main_loop_unref(hostnamed_loop);

    /* guaranteed unownable */
    g_bus_unown_name(bus_descriptor);

    /* at this point no operations can occur with our data, it is safe to free it + its container */
    g_ptr_array_free(hostnamed_freeable, TRUE);

    return 0;
}

/* TODO figure out DMI variables on obsd */
/*static gchar *guess_icon_name() {

    gchar *filebuf = NULL;
    gchar *ret = NULL;

    #if defined(__i386__) || defined(__x86_64__)
    
       Taken with a few minor changes from systemd's hostnamed.c,
       copyright 2011 Lennart Poettering.

       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


    if (g_file_get_contents ("/sys/class/dmi/id/chassis_type", &filebuf, NULL, NULL)) {
        switch (g_ascii_strtoull (filebuf, NULL, 10)) {
        case 0x3:
        case 0x4:
        case 0x5:
        case 0x6:
        case 0x7:
            ret = g_strdup ("computer-desktop");
            goto out;
        case 0x9:
        case 0xA:
        case 0xE:
            ret = g_strdup ("computer-laptop");
            goto out;
        case 0x11:
        case 0x17:
        case 0x1C:
        case 0x1D:
            ret = g_strdup ("computer-server");
            goto out;
        }
    }
    #endif
    ret = g_strdup ("computer");
  out:
    g_free (filebuf);
    return ret;
}*/
Commit	Line	Data
3b82e3c1	1	/*
	2	* Copyright (c) 2014 Ian Sutton <ian@kremlin.cc>
	3	*
	4	* Permission to use, copy, modify, and distribute this software for any
	5	* purpose with or without fee is hereby granted, provided that the above
	6	* copyright notice and this permission notice appear in all copies.
	7	*
	8	* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
	9	* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
	10	* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
	11	* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
	12	* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
	13	* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
	14	* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
	15	*/
	16
a35a69c5	17	#include <unistd.h>
a35a69c5	18	#include <limits.h>
0f339959	19	#include <signal.h>
fd8852d9	20
d15318db	21	#include <sys/param.h>
28cac2f0	22	#include <string.h>
d15318db	23
4c04b514	24	#include <glib/gprintf.h>
8caf1f61	25	#include <glib-unix.h>
4c04b514	26
1e8c7c88	27	#include "hostnamed-gen.h"
0f339959	28	#include "hostnamed.h"
a35a69c5	29
fd8852d9	30	GPtrArray *hostnamed_freeable;
1be94ede	31	Hostname1 *hostnamed_interf;
3d53b501	32
0f339959	33	GMainLoop *hostnamed_loop;
	34
	35	guint bus_descriptor;
	36	gboolean dbus_interface_exported; /* reliable because of gdbus operational guarantees */
	37
1ce41045	38	/* --- begin method/property/dbus signal code --- */
76b67a18	39
3d53b501	40	static gboolean
1be94ede	41	on_handle_set_hostname(Hostname1 *hn1_passed_interf,
3d53b501	42	GDBusMethodInvocation *invoc,
	43	const gchar *greet,
	44	gpointer data) {
	45	return FALSE;
	46	}
	47
	48	static gboolean
1be94ede	49	on_handle_set_static_hostname(Hostname1 *hn1_passed_interf,
3d53b501	50	GDBusMethodInvocation *invoc,
	51	const gchar *greet,
	52	gpointer data) {
	53	return FALSE;
	54	}
	55
	56	static gboolean
1be94ede	57	on_handle_set_pretty_hostname(Hostname1 *hn1_passed_interf,
3d53b501	58	GDBusMethodInvocation *invoc,
	59	const gchar *greet,
	60	gpointer data) {
	61	return FALSE;
	62	}
	63
	64	static gboolean
1be94ede	65	on_handle_set_chassis(Hostname1 *hn1_passed_interf,
3d53b501	66	GDBusMethodInvocation *invoc,
	67	const gchar *greet,
	68	gpointer data) {
	69	return FALSE;
	70	}
	71
	72	static gboolean
1be94ede	73	on_handle_set_icon_name(Hostname1 *hn1_passed_interf,
3d53b501	74	GDBusMethodInvocation *invoc,
	75	const gchar *greet,
	76	gpointer data) {
	77	return FALSE;
	78	}
	79
76b67a18	80	/* note: all hostnamed/hostname1's properties are read-only,
	81	* and do not need set_ functions, gdbus-codegen realized
	82	* this from the XML and handled the to-be error of trying
	83	* to set a read-only property's value
	84	*/
	85
	86	const gchar *
	87	our_get_hostname() {
	88
90f54407	89	gchar hostname_buf, ret;
90f54407	90	size_t hostname_divider;
d15318db	91
a2fffc07	92	hostname_buf = (gchar*) g_malloc0(MAXHOSTNAMELEN);
90f54407	93	ret = (gchar*) g_malloc0(MAXHOSTNAMELEN);
a2fffc07	94
90f54407	95	g_ptr_array_add(hostnamed_freeable, hostname_buf);
90f54407	96	g_ptr_array_add(hostnamed_freeable, ret);
7323a4e4	97
a2fffc07	98	if(gethostname(hostname_buf, MAXHOSTNAMELEN) \|\| g_strcmp0(hostname_buf, "") == 0)
a2fffc07	99	return "localhost";
d15318db	100
90f54407	101	hostname_divider = strcspn(hostname_buf, ".");
28cac2f0	102
90f54407	103	return strncpy(ret, hostname_buf, hostname_divider);
76b67a18	104	}
	105
	106	const gchar *
	107	our_get_static_hostname() {
	108
a2fffc07	109	gchar *pretty_hostname;
	110	gchar *ret;
	111
	112	pretty_hostname = our_get_pretty_hostname();
	113
	114	if(g_strcmp0(pretty_hostname, "") == 0)
	115	ret = our_get_hostname();
	116
	117	else if(ret = g_hostname_to_ascii(pretty_hostname)) {
	118
	119	g_ptr_array_add(hostnamed_freeable, ret);
	120	return ret;
	121	}
	122
	123	return ret;
76b67a18	124	}
	125
	126	const gchar *
	127	our_get_pretty_hostname() {
	128
a2fffc07	129	GKeyFile *config;
	130	gchar *ret;
	131
	132	if(g_key_file_load_from_file(config, "/etc/systemd_compat.conf", G_KEY_FILE_NONE, NULL)
	133	&& ret = g_key_file_get_value(config, "hostnamed", "PrettyHostname", NULL)) { /* ret might need to be freed, docs dont specify but i am suspicious */
	134
	135	g_free(config);
	136	return ret;
	137	}
	138
	139	if(config)
	140	g_free(config);
	141
	142	return "";
76b67a18	143	}
	144
	145	const gchar *
	146	our_get_chassis() {
	147
	148	return "TODO";
	149	}
	150
	151	const gchar *
	152	our_get_icon_name() {
	153
	154	return "TODO";
	155	}
	156
	157	const gchar *
	158	our_get_kernel_name() {
	159
	160	return "TODO";
	161	}
	162
	163	const gchar *
	164	our_get_kernel_version() {
	165
	166	return "TODO";
	167	}
	168
	169	const gchar *
	170	our_get_kernel_release() {
	171
	172	return "TODO";
	173	}
	174
	175	const gchar *
	176	our_get_os_cpename() {
	177
	178	return "TODO";
	179	}
	180
	181	const gchar *
	182	our_get_os_pretty_name() {
	183
	184	return "TODO";
	185	}
	186
1ce41045	187	/* --- end method/property/dbus signal code, begin bus/name handlers --- */
0df0018d	188
5b005882	189	static void hostnamed_on_bus_acquired(GDBusConnection *conn,
1cd5e6fe	190	const gchar *name,
1cd5e6fe	191	gpointer user_data) {
d1e1db9e	192
0f339959	193	g_printf("got bus/name, exporting %s's interface...\n", name);
d1e1db9e	194
90f54407	195	hostnamed_interf = hostname1_skeleton_new();
3d53b501	196
76b67a18	197	/* attach function pointers to generated struct's method handlers */
3d53b501	198	g_signal_connect(hostnamed_interf, "handle-set-hostname", G_CALLBACK(on_handle_set_hostname), NULL);
	199	g_signal_connect(hostnamed_interf, "handle-set-static-hostname", G_CALLBACK(on_handle_set_static_hostname), NULL);
	200	g_signal_connect(hostnamed_interf, "handle-set-pretty-hostname", G_CALLBACK(on_handle_set_pretty_hostname), NULL);
	201	g_signal_connect(hostnamed_interf, "handle-set-chassis", G_CALLBACK(on_handle_set_chassis), NULL);
	202	g_signal_connect(hostnamed_interf, "handle-set-icon-name", G_CALLBACK(on_handle_set_icon_name), NULL);
	203
76b67a18	204	/* set our properties before export */
1be94ede	205	hostname1_set_hostname(hostnamed_interf, our_get_hostname());
	206	hostname1_set_static_hostname(hostnamed_interf, our_get_static_hostname());
	207	hostname1_set_pretty_hostname(hostnamed_interf, our_get_pretty_hostname());
	208	hostname1_set_chassis(hostnamed_interf, our_get_chassis());
	209	hostname1_set_icon_name(hostnamed_interf, our_get_icon_name());
	210	hostname1_set_kernel_name(hostnamed_interf, our_get_kernel_name());
	211	hostname1_set_kernel_version(hostnamed_interf, our_get_kernel_version());
	212	hostname1_set_kernel_release(hostnamed_interf, our_get_kernel_release());
	213	hostname1_set_operating_system_cpename(hostnamed_interf, our_get_os_cpename());
	214	hostname1_set_operating_system_pretty_name(hostnamed_interf, our_get_os_pretty_name());
76b67a18	215
3d53b501	216	if(!g_dbus_interface_skeleton_export(G_DBUS_INTERFACE_SKELETON(hostnamed_interf),
1be94ede	217	conn,
	218	"/org/freedesktop/hostname1",
	219	NULL)) {
3d53b501	220
0f339959	221	g_printf("failed to export %s's interface!\n", name); /* unusual edge case, TODO check errno */
90f54407	222	hostnamed_mem_clean();
3d53b501	223
0f339959	224	} else {
ea207ed3	225
90f54407	226	dbus_interface_exported = TRUE;
	227	g_printf("exported %s's interface on the system bus...\n", name);
	228	}
0f339959	229	}
1e8c7c88	230
0f339959	231	static void hostnamed_on_name_acquired(GDBusConnection *conn,
90f54407	232	const gchar *name,
0f339959	233	gpointer user_data) {
	234
	235	g_printf("success!\n");
1e8c7c88	236	}
1e8c7c88	237
5b005882	238	static void hostnamed_on_name_lost(GDBusConnection *conn,
1be94ede	239	const gchar *name,
1be94ede	240	gpointer user_data) {
80043b36	241
90f54407	242	if(!conn) {
0f339959	243
90f54407	244	g_printf("failed to connect to the system bus while trying to acquire name '%s': either dbus-daemon isn't running or we don't have permission to push names and/or their interfaces to it.\n", name);
	245	hostnamed_mem_clean();
	246	}
0f339959	247
509599f0	248	g_printf("lost name %s, exiting...\n", name);
fd8852d9	249
1cd5e6fe	250	hostnamed_mem_clean();
0f339959	251	}
	252
	253	/* --- end bus/name handlers, begin misc unix functions --- */
	254
	255	/* safe call to clean and then exit
509599f0	256	* this stops our GMainLoop safely before letting main() return */
0f339959	257	void hostnamed_mem_clean() {
0f339959	258
90f54407	259	g_printf("exiting...\n");
0f339959	260
90f54407	261	if(dbus_interface_exported)
90f54407	262	g_dbus_interface_skeleton_unexport(G_DBUS_INTERFACE_SKELETON(hostnamed_interf));
0f339959	263
90f54407	264	if(g_main_loop_is_running(hostnamed_loop))
90f54407	265	g_main_loop_quit(hostnamed_loop);
fd8852d9	266
ea207ed3	267	}
ea207ed3	268
0f339959	269	/* wrapper for glib's unix signal handling; called only once if terminatating signal is raised against us */
0f339959	270	gboolean unix_sig_terminate_handler(gpointer data) {
c62bceb7	271
90f54407	272	g_printf("caught SIGINT/HUP/TERM, exiting\n");
0f339959	273
90f54407	274	hostnamed_mem_clean();
90f54407	275	return G_SOURCE_REMOVE;
0f339959	276	}
	277
	278	void set_signal_handlers() {
	279
90f54407	280	/* we don't care about its descriptor, we never need to unregister these */
	281	g_unix_signal_add(SIGINT, unix_sig_terminate_handler, NULL);
	282	g_unix_signal_add(SIGHUP, unix_sig_terminate_handler, NULL);
	283	g_unix_signal_add(SIGTERM, unix_sig_terminate_handler, NULL);
04cc16f2	284
90f54407	285	/* TODO: the "only once" guarantee only counts towards specific signals.
	286	* make sure calling a SIGINT and SIGHUP doesn't cause term_handler()
	287	* to be called twice */
0f339959	288	}
	289
	290	int main() {
90f54407	291
90f54407	292	set_signal_handlers();
387173cb	293
90f54407	294	hostnamed_loop = g_main_loop_new(NULL, TRUE);
90f54407	295	hostnamed_freeable = g_ptr_array_new();
fd8852d9	296
90f54407	297	bus_descriptor = g_bus_own_name(G_BUS_TYPE_SYSTEM,
0f339959	298	"org.freedesktop.hostname1",
	299	G_BUS_NAME_OWNER_FLAGS_NONE,
	300	hostnamed_on_bus_acquired,
	301	hostnamed_on_name_acquired,
	302	hostnamed_on_name_lost,
	303	NULL,
	304	NULL);
496f5d66	305
90f54407	306	g_main_loop_run(hostnamed_loop);
	307	/* runs until single g_main_loop_quit() call is raised inside <interface>_mem_clean() */
	308	g_main_loop_unref(hostnamed_loop);
1e8c7c88	309
90f54407	310	/* guaranteed unownable */
90f54407	311	g_bus_unown_name(bus_descriptor);
c62bceb7	312
90f54407	313	/* at this point no operations can occur with our data, it is safe to free it + its container */
90f54407	314	g_ptr_array_free(hostnamed_freeable, TRUE);
7323a4e4	315
90f54407	316	return 0;
a35a69c5	317	}
a35a69c5	318
a6f11205	319	/* TODO figure out DMI variables on obsd */
a35a69c5	320	/static gchar guess_icon_name() {
	321
	322	gchar *filebuf = NULL;
	323	gchar *ret = NULL;
	324
1cd5e6fe	325	#if defined(__i386__) \|\| defined(__x86_64__)
39df6847	326
a35a69c5	327	Taken with a few minor changes from systemd's hostnamed.c,
	328	copyright 2011 Lennart Poettering.
	329
	330	See the SMBIOS Specification 2.7.1 section 7.4.1 for
	331	details about the values listed here:
	332
	333	http://www.dmtf.org/sites/default/files/standards/documents/DSP0134_2.7.1.pdf
39df6847	334
a35a69c5	335
	336	if (g_file_get_contents ("/sys/class/dmi/id/chassis_type", &filebuf, NULL, NULL)) {
	337	switch (g_ascii_strtoull (filebuf, NULL, 10)) {
	338	case 0x3:
	339	case 0x4:
	340	case 0x5:
	341	case 0x6:
	342	case 0x7:
	343	ret = g_strdup ("computer-desktop");
	344	goto out;
	345	case 0x9:
	346	case 0xA:
	347	case 0xE:
	348	ret = g_strdup ("computer-laptop");
	349	goto out;
	350	case 0x11:
	351	case 0x17:
	352	case 0x1C:
	353	case 0x1D:
	354	ret = g_strdup ("computer-server");
	355	goto out;
	356	}
	357	}
1cd5e6fe	358	#endif
a35a69c5	359	ret = g_strdup ("computer");
	360	out:
	361	g_free (filebuf);
	362	return ret;
	363	}*/
1e8c7c88	364