[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 "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
1e8c7c88	22	#include "hostnamed-gen.h"
a35a69c5	23
fd8852d9	24	GPtrArray *hostnamed_freeable;
ff1030d4	25	GDBusNodeInfo *spect_data;
a06e63a1	26	hostnamedHostname1 *hostnamed_interf;
3d53b501	27
76b67a18	28	/* begin method/property/signal code */
	29
	30	/* TODO make sure these guys only work if called by root */
3d53b501	31	static gboolean
a06e63a1	32	on_handle_set_hostname(hostnamedHostname1 *hn1_passed_interf,
3d53b501	33	GDBusMethodInvocation *invoc,
	34	const gchar *greet,
	35	gpointer data) {
	36	return FALSE;
	37	}
	38
	39	static gboolean
a06e63a1	40	on_handle_set_static_hostname(hostnamedHostname1 *hn1_passed_interf,
3d53b501	41	GDBusMethodInvocation *invoc,
	42	const gchar *greet,
	43	gpointer data) {
	44	return FALSE;
	45	}
	46
	47	static gboolean
a06e63a1	48	on_handle_set_pretty_hostname(hostnamedHostname1 *hn1_passed_interf,
3d53b501	49	GDBusMethodInvocation *invoc,
	50	const gchar *greet,
	51	gpointer data) {
	52	return FALSE;
	53	}
	54
	55	static gboolean
a06e63a1	56	on_handle_set_chassis(hostnamedHostname1 *hn1_passed_interf,
3d53b501	57	GDBusMethodInvocation *invoc,
	58	const gchar *greet,
	59	gpointer data) {
	60	return FALSE;
	61	}
	62
	63	static gboolean
a06e63a1	64	on_handle_set_icon_name(hostnamedHostname1 *hn1_passed_interf,
3d53b501	65	GDBusMethodInvocation *invoc,
	66	const gchar *greet,
	67	gpointer data) {
	68	return FALSE;
	69	}
	70
76b67a18	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
d15318db	80	int hostname_try;
	81	gchar *hostname_buf;
	82
	83	hostname_buf = (gchar*) g_malloc0(MAXHOSTNAMELEN);
	84	hostname_try = gethostname(hostname_buf, MAXHOSTNAMELEN);
	85
	86	return hostname_buf;
76b67a18	87	}
	88
	89	const gchar *
	90	our_get_static_hostname() {
	91
	92	return "TODO";
	93	}
	94
	95	const gchar *
	96	our_get_pretty_hostname() {
	97
	98	return "TODO";
	99	}
	100
	101	const gchar *
	102	our_get_chassis() {
	103
	104	return "TODO";
	105	}
	106
	107	const gchar *
	108	our_get_icon_name() {
	109
	110	return "TODO";
	111	}
	112
	113	const gchar *
	114	our_get_kernel_name() {
	115
	116	return "TODO";
	117	}
	118
	119	const gchar *
	120	our_get_kernel_version() {
	121
	122	return "TODO";
	123	}
	124
	125	const gchar *
	126	our_get_kernel_release() {
	127
	128	return "TODO";
	129	}
	130
	131	const gchar *
	132	our_get_os_cpename() {
	133
	134	return "TODO";
	135	}
	136
	137	const gchar *
	138	our_get_os_pretty_name() {
	139
	140	return "TODO";
	141	}
	142
3d53b501	143	/* end method/property/signal code, begin bus/name handlers */
0df0018d	144
5b005882	145	static void hostnamed_on_bus_acquired(GDBusConnection *conn,
1cd5e6fe	146	const gchar *name,
1cd5e6fe	147	gpointer user_data) {
d1e1db9e	148
1cd5e6fe	149	g_print("got bus, name: %s\n", name);
d1e1db9e	150
ea207ed3	151	}
ea207ed3	152
5b005882	153	static void hostnamed_on_name_acquired(GDBusConnection *conn,
1cd5e6fe	154	const gchar *name,
1cd5e6fe	155	gpointer user_data) {
80043b36	156
3d53b501	157	g_print("got '%s' on system bus\n", name);
3d53b501	158
a06e63a1	159	hostnamed_interf = hostnamed_hostname1_skeleton_new();
3d53b501	160
76b67a18	161	/* attach function pointers to generated struct's method handlers */
3d53b501	162	g_signal_connect(hostnamed_interf, "handle-set-hostname", G_CALLBACK(on_handle_set_hostname), NULL);
	163	g_signal_connect(hostnamed_interf, "handle-set-static-hostname", G_CALLBACK(on_handle_set_static_hostname), NULL);
	164	g_signal_connect(hostnamed_interf, "handle-set-pretty-hostname", G_CALLBACK(on_handle_set_pretty_hostname), NULL);
	165	g_signal_connect(hostnamed_interf, "handle-set-chassis", G_CALLBACK(on_handle_set_chassis), NULL);
	166	g_signal_connect(hostnamed_interf, "handle-set-icon-name", G_CALLBACK(on_handle_set_icon_name), NULL);
	167
76b67a18	168	/* set our properties before export */
a06e63a1	169	hostnamed_hostname1_set_hostname(hostnamed_interf, our_get_hostname());
	170	hostnamed_hostname1_set_static_hostname(hostnamed_interf, our_get_static_hostname());
	171	hostnamed_hostname1_set_pretty_hostname(hostnamed_interf, our_get_pretty_hostname());
	172	hostnamed_hostname1_set_chassis(hostnamed_interf, our_get_chassis());
	173	hostnamed_hostname1_set_icon_name(hostnamed_interf, our_get_icon_name());
	174	hostnamed_hostname1_set_kernel_name(hostnamed_interf, our_get_kernel_name());
	175	hostnamed_hostname1_set_kernel_version(hostnamed_interf, our_get_kernel_version());
	176	hostnamed_hostname1_set_kernel_release(hostnamed_interf, our_get_kernel_release());
	177	hostnamed_hostname1_set_operating_system_cpename(hostnamed_interf, our_get_os_cpename());
	178	hostnamed_hostname1_set_operating_system_pretty_name(hostnamed_interf, our_get_os_pretty_name());
76b67a18	179
3d53b501	180	if(!g_dbus_interface_skeleton_export(G_DBUS_INTERFACE_SKELETON(hostnamed_interf),
	181	conn,
	182	"/org/freedesktop/hostname1",
	183	NULL)) {
	184
	185	g_printf("failed to export hostname1's interface on system bus!");
	186	}
	187
ea207ed3	188	}
ea207ed3	189
1e8c7c88	190	/* free()'s */
	191	void hostnamed_mem_clean() {
	192
	193	g_ptr_array_foreach(hostnamed_freeable, (GFunc) g_free, NULL);
	194	}
	195
5b005882	196	static void hostnamed_on_name_lost(GDBusConnection *conn,
1cd5e6fe	197	const gchar *name,
1cd5e6fe	198	gpointer user_data) {
80043b36	199
1cd5e6fe	200	g_print("lost name %s, exiting...", name);
fd8852d9	201
1cd5e6fe	202	hostnamed_mem_clean();
3d53b501	203	g_dbus_interface_skeleton_unexport(G_DBUS_INTERFACE_SKELETON(hostnamed_interf));
fd8852d9	204
a6f11205	205	/* TODO exit through g_main_loop properly... */
ea207ed3	206	}
ea207ed3	207
0df0018d	208	/* safe call to try and start hostnamed */
7f0a0212	209	void hostnamed_init() {
387173cb	210
1cd5e6fe	211	guint bus_descriptor;
fd8852d9	212
1cd5e6fe	213	bus_descriptor = g_bus_own_name(G_BUS_TYPE_SYSTEM,
	214	"org.freedesktop.hostname1",
	215	G_BUS_NAME_OWNER_FLAGS_NONE,
5b005882	216	hostnamed_on_bus_acquired,
	217	hostnamed_on_name_acquired,
	218	hostnamed_on_name_lost,
1cd5e6fe	219	NULL,
1cd5e6fe	220	NULL);
496f5d66	221
a6f11205	222	/* TODO: malloc and return reference as if a main() closed */
780e1f19	223	}
a35a69c5	224
1e8c7c88	225	int main() {
36575bff	226
1e8c7c88	227	GMainLoop *hostnamed_loop;
	228	hostnamed_loop = g_main_loop_new(NULL, TRUE);
	229
	230	/* config stuff here */
	231
	232
	233	hostnamed_init();
	234	g_main_loop_run(hostnamed_loop);
	235	g_main_loop_unref(hostnamed_loop);
	236
	237	return 0;
a35a69c5	238	}
a35a69c5	239
a6f11205	240	/* TODO figure out DMI variables on obsd */
a35a69c5	241	/static gchar guess_icon_name() {
	242
	243	gchar *filebuf = NULL;
	244	gchar *ret = NULL;
	245
1cd5e6fe	246	#if defined(__i386__) \|\| defined(__x86_64__)
39df6847	247
a35a69c5	248	Taken with a few minor changes from systemd's hostnamed.c,
	249	copyright 2011 Lennart Poettering.
	250
	251	See the SMBIOS Specification 2.7.1 section 7.4.1 for
	252	details about the values listed here:
	253
	254	http://www.dmtf.org/sites/default/files/standards/documents/DSP0134_2.7.1.pdf
39df6847	255
a35a69c5	256
	257	if (g_file_get_contents ("/sys/class/dmi/id/chassis_type", &filebuf, NULL, NULL)) {
	258	switch (g_ascii_strtoull (filebuf, NULL, 10)) {
	259	case 0x3:
	260	case 0x4:
	261	case 0x5:
	262	case 0x6:
	263	case 0x7:
	264	ret = g_strdup ("computer-desktop");
	265	goto out;
	266	case 0x9:
	267	case 0xA:
	268	case 0xE:
	269	ret = g_strdup ("computer-laptop");
	270	goto out;
	271	case 0x11:
	272	case 0x17:
	273	case 0x1C:
	274	case 0x1D:
	275	ret = g_strdup ("computer-server");
	276	goto out;
	277	}
	278	}
1cd5e6fe	279	#endif
a35a69c5	280	ret = g_strdup ("computer");
	281	out:
	282	g_free (filebuf);
	283	return ret;
	284	}*/
1e8c7c88	285