[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 <glib.h>
#include <gio/gio.h>

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

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() {

    return "TODO";
}

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 on_bus_acquired(GDBusConnection *conn,
                            const gchar *name,
                            gpointer user_data) {

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

}

static void 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!");
    }

}

static void 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 */
GError *hostnamed_init() {

    guint bus_descriptor;
    GError *err = NULL;
    gchar **hostnamed_ispect_xml;
    gchar  *hostnamed_joined_xml;

    hostnamed_freeable = g_ptr_array_new();
    hostnamed_ispect_xml = g_malloc(3000);

    g_file_get_contents("conf/hostnamed-ispect.xml", hostnamed_ispect_xml, NULL, NULL);
    hostnamed_joined_xml = g_strjoinv("\n", hostnamed_ispect_xml);
    spect_data = g_dbus_node_info_new_for_xml(hostnamed_joined_xml, NULL);

    g_free(hostnamed_ispect_xml);
    g_ptr_array_add(hostnamed_freeable, hostnamed_joined_xml);

    bus_descriptor = g_bus_own_name(G_BUS_TYPE_SYSTEM,
                                    "org.freedesktop.hostname1",
                                    G_BUS_NAME_OWNER_FLAGS_NONE,
                                    on_bus_acquired,
                                    on_name_acquired,
                                    on_name_lost,
                                    NULL,
                                    NULL);

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

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

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

/* 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
fd8852d9	20	#include <glib.h>
ea207ed3	21	#include <gio/gio.h>
ea207ed3	22
fd8852d9	23	#include "hostnamed.h"
fd8852d9	24	#include "hostnamed-gen.c"
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
	82	return "TODO";
	83	}
	84
	85	const gchar *
	86	our_get_static_hostname() {
	87
	88	return "TODO";
	89	}
	90
	91	const gchar *
	92	our_get_pretty_hostname() {
	93
	94	return "TODO";
	95	}
	96
	97	const gchar *
	98	our_get_chassis() {
	99
	100	return "TODO";
	101	}
	102
	103	const gchar *
	104	our_get_icon_name() {
	105
	106	return "TODO";
	107	}
	108
	109	const gchar *
	110	our_get_kernel_name() {
	111
	112	return "TODO";
	113	}
	114
	115	const gchar *
	116	our_get_kernel_version() {
	117
	118	return "TODO";
	119	}
	120
	121	const gchar *
	122	our_get_kernel_release() {
	123
	124	return "TODO";
	125	}
	126
	127	const gchar *
	128	our_get_os_cpename() {
	129
	130	return "TODO";
	131	}
	132
	133	const gchar *
	134	our_get_os_pretty_name() {
	135
	136	return "TODO";
137	}
138
3d53b501	139	/* end method/property/signal code, begin bus/name handlers */
0df0018d	140
80043b36	141	static void on_bus_acquired(GDBusConnection *conn,
1cd5e6fe	142	const gchar *name,
1cd5e6fe	143	gpointer user_data) {
d1e1db9e	144
1cd5e6fe	145	g_print("got bus, name: %s\n", name);
d1e1db9e	146
ea207ed3	147	}
ea207ed3	148
80043b36	149	static void on_name_acquired(GDBusConnection *conn,
1cd5e6fe	150	const gchar *name,
1cd5e6fe	151	gpointer user_data) {
80043b36	152
3d53b501	153	g_print("got '%s' on system bus\n", name);
3d53b501	154
a06e63a1	155	hostnamed_interf = hostnamed_hostname1_skeleton_new();
3d53b501	156
76b67a18	157	/* attach function pointers to generated struct's method handlers */
3d53b501	158	g_signal_connect(hostnamed_interf, "handle-set-hostname", G_CALLBACK(on_handle_set_hostname), NULL);
	159	g_signal_connect(hostnamed_interf, "handle-set-static-hostname", G_CALLBACK(on_handle_set_static_hostname), NULL);
	160	g_signal_connect(hostnamed_interf, "handle-set-pretty-hostname", G_CALLBACK(on_handle_set_pretty_hostname), NULL);
	161	g_signal_connect(hostnamed_interf, "handle-set-chassis", G_CALLBACK(on_handle_set_chassis), NULL);
	162	g_signal_connect(hostnamed_interf, "handle-set-icon-name", G_CALLBACK(on_handle_set_icon_name), NULL);
	163
76b67a18	164	/* set our properties before export */
a06e63a1	165	hostnamed_hostname1_set_hostname(hostnamed_interf, our_get_hostname());
	166	hostnamed_hostname1_set_static_hostname(hostnamed_interf, our_get_static_hostname());
	167	hostnamed_hostname1_set_pretty_hostname(hostnamed_interf, our_get_pretty_hostname());
	168	hostnamed_hostname1_set_chassis(hostnamed_interf, our_get_chassis());
	169	hostnamed_hostname1_set_icon_name(hostnamed_interf, our_get_icon_name());
	170	hostnamed_hostname1_set_kernel_name(hostnamed_interf, our_get_kernel_name());
	171	hostnamed_hostname1_set_kernel_version(hostnamed_interf, our_get_kernel_version());
	172	hostnamed_hostname1_set_kernel_release(hostnamed_interf, our_get_kernel_release());
	173	hostnamed_hostname1_set_operating_system_cpename(hostnamed_interf, our_get_os_cpename());
	174	hostnamed_hostname1_set_operating_system_pretty_name(hostnamed_interf, our_get_os_pretty_name());
76b67a18	175
3d53b501	176	if(!g_dbus_interface_skeleton_export(G_DBUS_INTERFACE_SKELETON(hostnamed_interf),
	177	conn,
	178	"/org/freedesktop/hostname1",
	179	NULL)) {
	180
	181	g_printf("failed to export hostname1's interface on system bus!");
	182	}
	183
ea207ed3	184	}
ea207ed3	185
80043b36	186	static void on_name_lost(GDBusConnection *conn,
1cd5e6fe	187	const gchar *name,
1cd5e6fe	188	gpointer user_data) {
80043b36	189
1cd5e6fe	190	g_print("lost name %s, exiting...", name);
fd8852d9	191
1cd5e6fe	192	hostnamed_mem_clean();
3d53b501	193	g_dbus_interface_skeleton_unexport(G_DBUS_INTERFACE_SKELETON(hostnamed_interf));
fd8852d9	194
a6f11205	195	/* TODO exit through g_main_loop properly... */
ea207ed3	196	}
ea207ed3	197
0df0018d	198	/* safe call to try and start hostnamed */
39df6847	199	GError *hostnamed_init() {
387173cb	200
1cd5e6fe	201	guint bus_descriptor;
	202	GError *err = NULL;
	203	gchar **hostnamed_ispect_xml;
	204	gchar *hostnamed_joined_xml;
d1e1db9e	205
1cd5e6fe	206	hostnamed_freeable = g_ptr_array_new();
1cd5e6fe	207	hostnamed_ispect_xml = g_malloc(3000);
fd8852d9	208
1cd5e6fe	209	g_file_get_contents("conf/hostnamed-ispect.xml", hostnamed_ispect_xml, NULL, NULL);
	210	hostnamed_joined_xml = g_strjoinv("\n", hostnamed_ispect_xml);
	211	spect_data = g_dbus_node_info_new_for_xml(hostnamed_joined_xml, NULL);
a35a69c5	212
1cd5e6fe	213	g_free(hostnamed_ispect_xml);
1cd5e6fe	214	g_ptr_array_add(hostnamed_freeable, hostnamed_joined_xml);
fd8852d9	215
1cd5e6fe	216	bus_descriptor = g_bus_own_name(G_BUS_TYPE_SYSTEM,
	217	"org.freedesktop.hostname1",
	218	G_BUS_NAME_OWNER_FLAGS_NONE,
	219	on_bus_acquired,
	220	on_name_acquired,
	221	on_name_lost,
	222	NULL,
	223	NULL);
496f5d66	224
a6f11205	225	/* TODO: malloc and return reference as if a main() closed */
1cd5e6fe	226	return err;
780e1f19	227	}
a35a69c5	228
fd8852d9	229	/* free()'s */
fd8852d9	230	void hostnamed_mem_clean() {
36575bff	231
1cd5e6fe	232	g_ptr_array_foreach(hostnamed_freeable, (GFunc) g_free, NULL);
a35a69c5	233	}
a35a69c5	234
a6f11205	235	/* TODO figure out DMI variables on obsd */
a35a69c5	236	/static gchar guess_icon_name() {
	237
	238	gchar *filebuf = NULL;
	239	gchar *ret = NULL;
	240
1cd5e6fe	241	#if defined(__i386__) \|\| defined(__x86_64__)
39df6847	242
a35a69c5	243	Taken with a few minor changes from systemd's hostnamed.c,
	244	copyright 2011 Lennart Poettering.
	245
	246	See the SMBIOS Specification 2.7.1 section 7.4.1 for
	247	details about the values listed here:
	248
	249	http://www.dmtf.org/sites/default/files/standards/documents/DSP0134_2.7.1.pdf
39df6847	250
a35a69c5	251
	252	if (g_file_get_contents ("/sys/class/dmi/id/chassis_type", &filebuf, NULL, NULL)) {
	253	switch (g_ascii_strtoull (filebuf, NULL, 10)) {
	254	case 0x3:
	255	case 0x4:
	256	case 0x5:
	257	case 0x6:
	258	case 0x7:
	259	ret = g_strdup ("computer-desktop");
	260	goto out;
	261	case 0x9:
	262	case 0xA:
	263	case 0xE:
	264	ret = g_strdup ("computer-laptop");
	265	goto out;
	266	case 0x11:
	267	case 0x17:
	268	case 0x1C:
	269	case 0x1D:
	270	ret = g_strdup ("computer-server");
	271	goto out;
	272	}
	273	}
1cd5e6fe	274	#endif
a35a69c5	275	ret = g_strdup ("computer");
	276	out:
	277	g_free (filebuf);
	278	return ret;
	279	}*/