[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 <sys/param.h>

#include <glib/gprintf.h>

#include "hostnamed-gen.h"

GPtrArray *hostnamed_freeable;
Hostname1 *hostnamed_interf;

/* --- begin method/property/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;

	hostname_buf = (gchar*) g_malloc0(MAXHOSTNAMELEN);
	g_ptr_array_add(hostnamed_freeable, hostname_buf);

	if(gethostname(hostname_buf, MAXHOSTNAMELEN))
		return "";

	return hostname_buf;
}

const gchar *
our_get_static_hostname() {

    return "TODO";
}

const gchar *
our_get_pretty_hostname() {

    return "TODO";
}

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/signal code, begin bus/name handlers --- */

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

    g_print("got bus, name: %s\n", name);   

}

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

    g_print("got '%s' on system bus\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 Hostname1's interface!");
    }

}

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

/* free()'s */
void hostnamed_mem_clean() {

    ddg_ptr_array_foreach(hostnamed_freeable, (GFunc) g_free, NULL);
	g_ptr_array_free(hostnamed_freeable);
}

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

    g_print("lost name %s, exiting...", name);

    hostnamed_mem_clean();
    g_dbus_interface_skeleton_unexport(G_DBUS_INTERFACE_SKELETON(hostnamed_interf));

}

/* safe call to try and start hostnamed */
void hostnamed_init() {

    guint bus_descriptor;

    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);

}

int main() {

	GMainLoop *hostnamed_loop;
	hostnamed_loop = g_main_loop_new(NULL, TRUE);

	/* config stuff here */

	hostnamed_init();
	g_main_loop_run(hostnamed_loop);
	g_main_loop_unref(hostnamed_loop);

	hostnamed_mem_clean();

	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
	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
	17	#include <unistd.h>
	18	#include <limits.h>
	19
	20	#include <sys/param.h>
	21
	22	#include <glib/gprintf.h>
	23
	24	#include "hostnamed-gen.h"
	25
	26	GPtrArray *hostnamed_freeable;
	27	Hostname1 *hostnamed_interf;
	28
	29	/* --- begin method/property/signal code --- */
	30
	31	static gboolean
	32	on_handle_set_hostname(Hostname1 *hn1_passed_interf,
	33	GDBusMethodInvocation *invoc,
	34	const gchar *greet,
	35	gpointer data) {
	36	return FALSE;
	37	}
	38
	39	static gboolean
	40	on_handle_set_static_hostname(Hostname1 *hn1_passed_interf,
	41	GDBusMethodInvocation *invoc,
	42	const gchar *greet,
	43	gpointer data) {
	44	return FALSE;
	45	}
	46
	47	static gboolean
	48	on_handle_set_pretty_hostname(Hostname1 *hn1_passed_interf,
	49	GDBusMethodInvocation *invoc,
	50	const gchar *greet,
	51	gpointer data) {
	52	return FALSE;
	53	}
	54
	55	static gboolean
	56	on_handle_set_chassis(Hostname1 *hn1_passed_interf,
	57	GDBusMethodInvocation *invoc,
	58	const gchar *greet,
	59	gpointer data) {
	60	return FALSE;
	61	}
	62
	63	static gboolean
	64	on_handle_set_icon_name(Hostname1 *hn1_passed_interf,
	65	GDBusMethodInvocation *invoc,
	66	const gchar *greet,
	67	gpointer data) {
	68	return FALSE;
	69	}
	70
	71	/* note: all hostnamed/hostname1's properties are read-only,
	72	* and do not need set_ functions, gdbus-codegen realized
	73	* this from the XML and handled the to-be error of trying
	74	* to set a read-only property's value
	75	*/
	76
	77	const gchar *
	78	our_get_hostname() {
	79
	80	gchar *hostname_buf;
	81
	82	hostname_buf = (gchar*) g_malloc0(MAXHOSTNAMELEN);
	83	g_ptr_array_add(hostnamed_freeable, hostname_buf);
	84
	85	if(gethostname(hostname_buf, MAXHOSTNAMELEN))
	86	return "";
	87
	88	return hostname_buf;
	89	}
	90
	91	const gchar *
	92	our_get_static_hostname() {
	93
	94	return "TODO";
	95	}
	96
	97	const gchar *
	98	our_get_pretty_hostname() {
	99
	100	return "TODO";
	101	}
	102
	103	const gchar *
	104	our_get_chassis() {
	105
	106	return "TODO";
	107	}
	108
	109	const gchar *
	110	our_get_icon_name() {
	111
	112	return "TODO";
	113	}
	114
	115	const gchar *
	116	our_get_kernel_name() {
	117
	118	return "TODO";
	119	}
	120
	121	const gchar *
	122	our_get_kernel_version() {
	123
	124	return "TODO";
	125	}
	126
	127	const gchar *
	128	our_get_kernel_release() {
	129
	130	return "TODO";
	131	}
	132
	133	const gchar *
	134	our_get_os_cpename() {
	135
	136	return "TODO";
	137	}
	138
	139	const gchar *
	140	our_get_os_pretty_name() {
	141
	142	return "TODO";
	143	}
	144
	145	/* --- end method/property/signal code, begin bus/name handlers --- */
	146
	147	static void hostnamed_on_bus_acquired(GDBusConnection *conn,
	148	const gchar *name,
	149	gpointer user_data) {
	150
	151	g_print("got bus, name: %s\n", name);
	152
	153	}
	154
	155	static void hostnamed_on_name_acquired(GDBusConnection *conn,
	156	const gchar *name,
	157	gpointer user_data) {
	158
	159	g_print("got '%s' on system bus\n", name);
	160
	161	hostnamed_interf = hostname1_skeleton_new();
	162
	163	/* attach function pointers to generated struct's method handlers */
	164	g_signal_connect(hostnamed_interf, "handle-set-hostname", G_CALLBACK(on_handle_set_hostname), NULL);
	165	g_signal_connect(hostnamed_interf, "handle-set-static-hostname", G_CALLBACK(on_handle_set_static_hostname), NULL);
	166	g_signal_connect(hostnamed_interf, "handle-set-pretty-hostname", G_CALLBACK(on_handle_set_pretty_hostname), NULL);
	167	g_signal_connect(hostnamed_interf, "handle-set-chassis", G_CALLBACK(on_handle_set_chassis), NULL);
	168	g_signal_connect(hostnamed_interf, "handle-set-icon-name", G_CALLBACK(on_handle_set_icon_name), NULL);
	169
	170	/* set our properties before export */
	171	hostname1_set_hostname(hostnamed_interf, our_get_hostname());
	172	hostname1_set_static_hostname(hostnamed_interf, our_get_static_hostname());
	173	hostname1_set_pretty_hostname(hostnamed_interf, our_get_pretty_hostname());
	174	hostname1_set_chassis(hostnamed_interf, our_get_chassis());
	175	hostname1_set_icon_name(hostnamed_interf, our_get_icon_name());
	176	hostname1_set_kernel_name(hostnamed_interf, our_get_kernel_name());
	177	hostname1_set_kernel_version(hostnamed_interf, our_get_kernel_version());
	178	hostname1_set_kernel_release(hostnamed_interf, our_get_kernel_release());
	179	hostname1_set_operating_system_cpename(hostnamed_interf, our_get_os_cpename());
	180	hostname1_set_operating_system_pretty_name(hostnamed_interf, our_get_os_pretty_name());
	181
	182	if(!g_dbus_interface_skeleton_export(G_DBUS_INTERFACE_SKELETON(hostnamed_interf),
	183	conn,
	184	"/org/freedesktop/hostname1",
	185	NULL)) {
	186
	187	g_printf("Failed to export Hostname1's interface!");
	188	}
	189
	190	}
	191
	192	/* --- end bus/name handlers, begin misc functions --- */
	193
	194	/* free()'s */
	195	void hostnamed_mem_clean() {
	196
	197	ddg_ptr_array_foreach(hostnamed_freeable, (GFunc) g_free, NULL);
	198	g_ptr_array_free(hostnamed_freeable);
	199	}
	200
	201	static void hostnamed_on_name_lost(GDBusConnection *conn,
	202	const gchar *name,
	203	gpointer user_data) {
	204
	205	g_print("lost name %s, exiting...", name);
	206
	207	hostnamed_mem_clean();
	208	g_dbus_interface_skeleton_unexport(G_DBUS_INTERFACE_SKELETON(hostnamed_interf));
	209
	210	}
	211
	212	/* safe call to try and start hostnamed */
	213	void hostnamed_init() {
	214
	215	guint bus_descriptor;
	216
	217	bus_descriptor = g_bus_own_name(G_BUS_TYPE_SYSTEM,
	218	"org.freedesktop.hostname1",
	219	G_BUS_NAME_OWNER_FLAGS_NONE,
	220	hostnamed_on_bus_acquired,
	221	hostnamed_on_name_acquired,
	222	hostnamed_on_name_lost,
	223	NULL,
	224	NULL);
	225
	226	}
	227
	228	int main() {
	229
	230	GMainLoop *hostnamed_loop;
	231	hostnamed_loop = g_main_loop_new(NULL, TRUE);
	232
	233	/* config stuff here */
	234
	235	hostnamed_init();
	236	g_main_loop_run(hostnamed_loop);
	237	g_main_loop_unref(hostnamed_loop);
	238
	239	hostnamed_mem_clean();
	240
	241	return 0;
	242	}
	243
	244	/* TODO figure out DMI variables on obsd */
	245	/static gchar guess_icon_name() {
	246
	247	gchar *filebuf = NULL;
	248	gchar *ret = NULL;
	249
	250	#if defined(__i386__) \|\| defined(__x86_64__)
	251
	252	Taken with a few minor changes from systemd's hostnamed.c,
	253	copyright 2011 Lennart Poettering.
	254
	255	See the SMBIOS Specification 2.7.1 section 7.4.1 for
	256	details about the values listed here:
	257
	258	http://www.dmtf.org/sites/default/files/standards/documents/DSP0134_2.7.1.pdf
	259
	260
	261	if (g_file_get_contents ("/sys/class/dmi/id/chassis_type", &filebuf, NULL, NULL)) {
	262	switch (g_ascii_strtoull (filebuf, NULL, 10)) {
	263	case 0x3:
	264	case 0x4:
	265	case 0x5:
	266	case 0x6:
	267	case 0x7:
	268	ret = g_strdup ("computer-desktop");
	269	goto out;
	270	case 0x9:
	271	case 0xA:
	272	case 0xE:
	273	ret = g_strdup ("computer-laptop");
	274	goto out;
	275	case 0x11:
	276	case 0x17:
	277	case 0x1C:
	278	case 0x1D:
	279	ret = g_strdup ("computer-server");
	280	goto out;
	281	}
	282	}
	283	#endif
	284	ret = g_strdup ("computer");
	285	out:
	286	g_free (filebuf);
	287	return ret;
	288	}*/
	289