[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;
GDBusNodeInfo *spect_data;
hostnamedHostname1 *hostnamed_interf;

/* begin method/property/signal code */

/* TODO make sure these guys only work if called by root */
static gboolean
on_handle_set_hostname(hostnamedHostname1 *hn1_passed_interf,
                       GDBusMethodInvocation *invoc,
                       const gchar *greet,
                       gpointer data) {
    return FALSE;
}

static gboolean
on_handle_set_static_hostname(hostnamedHostname1 *hn1_passed_interf,
                              GDBusMethodInvocation *invoc,
                              const gchar *greet,
                              gpointer data) {
    return FALSE;
}

static gboolean
on_handle_set_pretty_hostname(hostnamedHostname1 *hn1_passed_interf,
                              GDBusMethodInvocation *invoc,
                              const gchar *greet,
                              gpointer data) {
    return FALSE;
}

static gboolean
on_handle_set_chassis(hostnamedHostname1 *hn1_passed_interf,
                      GDBusMethodInvocation *invoc,
                      const gchar *greet,
                      gpointer data) {
    return FALSE;
}

static gboolean
on_handle_set_icon_name(hostnamedHostname1 *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() {

	int hostname_try;
	gchar *hostname_buf;

	hostname_buf = (gchar*) g_malloc0(MAXHOSTNAMELEN);
	hostname_try = gethostname(hostname_buf, MAXHOSTNAMELEN);

	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 = hostnamed_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 */
    hostnamed_hostname1_set_hostname(hostnamed_interf, our_get_hostname());
    hostnamed_hostname1_set_static_hostname(hostnamed_interf, our_get_static_hostname());
    hostnamed_hostname1_set_pretty_hostname(hostnamed_interf, our_get_pretty_hostname());
    hostnamed_hostname1_set_chassis(hostnamed_interf, our_get_chassis());
    hostnamed_hostname1_set_icon_name(hostnamed_interf, our_get_icon_name());
    hostnamed_hostname1_set_kernel_name(hostnamed_interf, our_get_kernel_name());
    hostnamed_hostname1_set_kernel_version(hostnamed_interf, our_get_kernel_version());
    hostnamed_hostname1_set_kernel_release(hostnamed_interf, our_get_kernel_release());
    hostnamed_hostname1_set_operating_system_cpename(hostnamed_interf, our_get_os_cpename());
    hostnamed_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 on system bus!");
    }

}

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

    g_ptr_array_foreach(hostnamed_freeable, (GFunc) g_free, NULL);
}

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));

    /* TODO exit through g_main_loop properly... */
}

/* 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);

    /* TODO: malloc and return reference as if a main() closed */
}

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);

	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>
fd8852d9	19
d15318db	20	#include <sys/param.h>
d15318db	21
4c04b514	22	#include <glib/gprintf.h>
4c04b514	23
1e8c7c88	24	#include "hostnamed-gen.h"
a35a69c5	25
fd8852d9	26	GPtrArray *hostnamed_freeable;
ff1030d4	27	GDBusNodeInfo *spect_data;
a06e63a1	28	hostnamedHostname1 *hostnamed_interf;
3d53b501	29
76b67a18	30	/* begin method/property/signal code */
	31
	32	/* TODO make sure these guys only work if called by root */
3d53b501	33	static gboolean
a06e63a1	34	on_handle_set_hostname(hostnamedHostname1 *hn1_passed_interf,
3d53b501	35	GDBusMethodInvocation *invoc,
	36	const gchar *greet,
	37	gpointer data) {
	38	return FALSE;
	39	}
	40
	41	static gboolean
a06e63a1	42	on_handle_set_static_hostname(hostnamedHostname1 *hn1_passed_interf,
3d53b501	43	GDBusMethodInvocation *invoc,
	44	const gchar *greet,
	45	gpointer data) {
	46	return FALSE;
	47	}
	48
	49	static gboolean
a06e63a1	50	on_handle_set_pretty_hostname(hostnamedHostname1 *hn1_passed_interf,
3d53b501	51	GDBusMethodInvocation *invoc,
	52	const gchar *greet,
	53	gpointer data) {
	54	return FALSE;
	55	}
	56
	57	static gboolean
a06e63a1	58	on_handle_set_chassis(hostnamedHostname1 *hn1_passed_interf,
3d53b501	59	GDBusMethodInvocation *invoc,
	60	const gchar *greet,
	61	gpointer data) {
	62	return FALSE;
	63	}
	64
	65	static gboolean
a06e63a1	66	on_handle_set_icon_name(hostnamedHostname1 *hn1_passed_interf,
3d53b501	67	GDBusMethodInvocation *invoc,
	68	const gchar *greet,
	69	gpointer data) {
	70	return FALSE;
	71	}
	72
76b67a18	73	/* note: all hostnamed/hostname1's properties are read-only,
	74	* and do not need set_ functions, gdbus-codegen realized
	75	* this from the XML and handled the to-be error of trying
	76	* to set a read-only property's value
	77	*/
	78
	79	const gchar *
	80	our_get_hostname() {
	81
d15318db	82	int hostname_try;
	83	gchar *hostname_buf;
	84
	85	hostname_buf = (gchar*) g_malloc0(MAXHOSTNAMELEN);
	86	hostname_try = gethostname(hostname_buf, MAXHOSTNAMELEN);
	87
	88	return hostname_buf;
76b67a18	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
3d53b501	145	/* end method/property/signal code, begin bus/name handlers */
0df0018d	146
5b005882	147	static void hostnamed_on_bus_acquired(GDBusConnection *conn,
1cd5e6fe	148	const gchar *name,
1cd5e6fe	149	gpointer user_data) {
d1e1db9e	150
1cd5e6fe	151	g_print("got bus, name: %s\n", name);
d1e1db9e	152
ea207ed3	153	}
ea207ed3	154
5b005882	155	static void hostnamed_on_name_acquired(GDBusConnection *conn,
1cd5e6fe	156	const gchar *name,
1cd5e6fe	157	gpointer user_data) {
80043b36	158
3d53b501	159	g_print("got '%s' on system bus\n", name);
3d53b501	160
a06e63a1	161	hostnamed_interf = hostnamed_hostname1_skeleton_new();
3d53b501	162
76b67a18	163	/* attach function pointers to generated struct's method handlers */
3d53b501	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
76b67a18	170	/* set our properties before export */
a06e63a1	171	hostnamed_hostname1_set_hostname(hostnamed_interf, our_get_hostname());
	172	hostnamed_hostname1_set_static_hostname(hostnamed_interf, our_get_static_hostname());
	173	hostnamed_hostname1_set_pretty_hostname(hostnamed_interf, our_get_pretty_hostname());
	174	hostnamed_hostname1_set_chassis(hostnamed_interf, our_get_chassis());
	175	hostnamed_hostname1_set_icon_name(hostnamed_interf, our_get_icon_name());
	176	hostnamed_hostname1_set_kernel_name(hostnamed_interf, our_get_kernel_name());
	177	hostnamed_hostname1_set_kernel_version(hostnamed_interf, our_get_kernel_version());
	178	hostnamed_hostname1_set_kernel_release(hostnamed_interf, our_get_kernel_release());
	179	hostnamed_hostname1_set_operating_system_cpename(hostnamed_interf, our_get_os_cpename());
	180	hostnamed_hostname1_set_operating_system_pretty_name(hostnamed_interf, our_get_os_pretty_name());
76b67a18	181
3d53b501	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 on system bus!");
	188	}
	189
ea207ed3	190	}
ea207ed3	191
1e8c7c88	192	/* free()'s */
	193	void hostnamed_mem_clean() {
	194
	195	g_ptr_array_foreach(hostnamed_freeable, (GFunc) g_free, NULL);
	196	}
	197
5b005882	198	static void hostnamed_on_name_lost(GDBusConnection *conn,
1cd5e6fe	199	const gchar *name,
1cd5e6fe	200	gpointer user_data) {
80043b36	201
1cd5e6fe	202	g_print("lost name %s, exiting...", name);
fd8852d9	203
1cd5e6fe	204	hostnamed_mem_clean();
3d53b501	205	g_dbus_interface_skeleton_unexport(G_DBUS_INTERFACE_SKELETON(hostnamed_interf));
fd8852d9	206
a6f11205	207	/* TODO exit through g_main_loop properly... */
ea207ed3	208	}
ea207ed3	209
0df0018d	210	/* safe call to try and start hostnamed */
7f0a0212	211	void hostnamed_init() {
387173cb	212
1cd5e6fe	213	guint bus_descriptor;
fd8852d9	214
1cd5e6fe	215	bus_descriptor = g_bus_own_name(G_BUS_TYPE_SYSTEM,
	216	"org.freedesktop.hostname1",
	217	G_BUS_NAME_OWNER_FLAGS_NONE,
5b005882	218	hostnamed_on_bus_acquired,
	219	hostnamed_on_name_acquired,
	220	hostnamed_on_name_lost,
1cd5e6fe	221	NULL,
1cd5e6fe	222	NULL);
496f5d66	223
a6f11205	224	/* TODO: malloc and return reference as if a main() closed */
780e1f19	225	}
a35a69c5	226
1e8c7c88	227	int main() {
36575bff	228
1e8c7c88	229	GMainLoop *hostnamed_loop;
	230	hostnamed_loop = g_main_loop_new(NULL, TRUE);
	231
	232	/* config stuff here */
	233
	234
	235	hostnamed_init();
	236	g_main_loop_run(hostnamed_loop);
	237	g_main_loop_unref(hostnamed_loop);
	238
	239	return 0;
a35a69c5	240	}
a35a69c5	241
a6f11205	242	/* TODO figure out DMI variables on obsd */
a35a69c5	243	/static gchar guess_icon_name() {
	244
	245	gchar *filebuf = NULL;
	246	gchar *ret = NULL;
	247
1cd5e6fe	248	#if defined(__i386__) \|\| defined(__x86_64__)
39df6847	249
a35a69c5	250	Taken with a few minor changes from systemd's hostnamed.c,
	251	copyright 2011 Lennart Poettering.
	252
	253	See the SMBIOS Specification 2.7.1 section 7.4.1 for
	254	details about the values listed here:
	255
	256	http://www.dmtf.org/sites/default/files/standards/documents/DSP0134_2.7.1.pdf
39df6847	257
a35a69c5	258
	259	if (g_file_get_contents ("/sys/class/dmi/id/chassis_type", &filebuf, NULL, NULL)) {
	260	switch (g_ascii_strtoull (filebuf, NULL, 10)) {
	261	case 0x3:
	262	case 0x4:
	263	case 0x5:
	264	case 0x6:
	265	case 0x7:
	266	ret = g_strdup ("computer-desktop");
	267	goto out;
	268	case 0x9:
	269	case 0xA:
	270	case 0xE:
	271	ret = g_strdup ("computer-laptop");
	272	goto out;
	273	case 0x11:
	274	case 0x17:
	275	case 0x1C:
	276	case 0x1D:
	277	ret = g_strdup ("computer-server");
	278	goto out;
	279	}
	280	}
1cd5e6fe	281	#endif
a35a69c5	282	ret = g_strdup ("computer");
	283	out:
	284	g_free (filebuf);
	285	return ret;
	286	}*/
1e8c7c88	287