[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.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() {

	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!");
    }

}

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 */
}

/* 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
	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.h>
	23	#include <gio/gio.h>
	24
	25	#include "hostnamed.h"
	26	#include "hostnamed-gen.c"
	27
	28	GPtrArray *hostnamed_freeable;
	29	GDBusNodeInfo *spect_data;
	30	hostnamedHostname1 *hostnamed_interf;
	31
	32	/* begin method/property/signal code */
	33
	34	/* TODO make sure these guys only work if called by root */
	35	static gboolean
	36	on_handle_set_hostname(hostnamedHostname1 *hn1_passed_interf,
	37	GDBusMethodInvocation *invoc,
	38	const gchar *greet,
	39	gpointer data) {
	40	return FALSE;
	41	}
	42
	43	static gboolean
	44	on_handle_set_static_hostname(hostnamedHostname1 *hn1_passed_interf,
	45	GDBusMethodInvocation *invoc,
	46	const gchar *greet,
	47	gpointer data) {
	48	return FALSE;
	49	}
	50
	51	static gboolean
	52	on_handle_set_pretty_hostname(hostnamedHostname1 *hn1_passed_interf,
	53	GDBusMethodInvocation *invoc,
	54	const gchar *greet,
	55	gpointer data) {
	56	return FALSE;
	57	}
	58
	59	static gboolean
	60	on_handle_set_chassis(hostnamedHostname1 *hn1_passed_interf,
	61	GDBusMethodInvocation *invoc,
	62	const gchar *greet,
	63	gpointer data) {
	64	return FALSE;
	65	}
	66
	67	static gboolean
	68	on_handle_set_icon_name(hostnamedHostname1 *hn1_passed_interf,
	69	GDBusMethodInvocation *invoc,
	70	const gchar *greet,
	71	gpointer data) {
	72	return FALSE;
	73	}
	74
	75	/* note: all hostnamed/hostname1's properties are read-only,
	76	* and do not need set_ functions, gdbus-codegen realized
	77	* this from the XML and handled the to-be error of trying
	78	* to set a read-only property's value
	79	*/
	80
	81	const gchar *
	82	our_get_hostname() {
	83
	84	int hostname_try;
	85	gchar *hostname_buf;
	86
	87	hostname_buf = (gchar*) g_malloc0(MAXHOSTNAMELEN);
	88	hostname_try = gethostname(hostname_buf, MAXHOSTNAMELEN);
	89
	90	return hostname_buf;
	91	}
	92
	93	const gchar *
	94	our_get_static_hostname() {
	95
	96	return "TODO";
	97	}
	98
	99	const gchar *
	100	our_get_pretty_hostname() {
	101
	102	return "TODO";
	103	}
	104
	105	const gchar *
	106	our_get_chassis() {
	107
	108	return "TODO";
	109	}
	110
	111	const gchar *
	112	our_get_icon_name() {
	113
	114	return "TODO";
	115	}
	116
	117	const gchar *
	118	our_get_kernel_name() {
	119
	120	return "TODO";
	121	}
	122
	123	const gchar *
	124	our_get_kernel_version() {
	125
	126	return "TODO";
	127	}
	128
	129	const gchar *
	130	our_get_kernel_release() {
	131
	132	return "TODO";
	133	}
	134
	135	const gchar *
	136	our_get_os_cpename() {
	137
	138	return "TODO";
	139	}
	140
	141	const gchar *
	142	our_get_os_pretty_name() {
	143
	144	return "TODO";
	145	}
	146
	147	/* end method/property/signal code, begin bus/name handlers */
	148
	149	static void hostnamed_on_bus_acquired(GDBusConnection *conn,
	150	const gchar *name,
	151	gpointer user_data) {
	152
	153	g_print("got bus, name: %s\n", name);
	154
	155	}
	156
	157	static void hostnamed_on_name_acquired(GDBusConnection *conn,
	158	const gchar *name,
	159	gpointer user_data) {
	160
	161	g_print("got '%s' on system bus\n", name);
	162
	163	hostnamed_interf = hostnamed_hostname1_skeleton_new();
	164
	165	/* attach function pointers to generated struct's method handlers */
	166	g_signal_connect(hostnamed_interf, "handle-set-hostname", G_CALLBACK(on_handle_set_hostname), NULL);
	167	g_signal_connect(hostnamed_interf, "handle-set-static-hostname", G_CALLBACK(on_handle_set_static_hostname), NULL);
	168	g_signal_connect(hostnamed_interf, "handle-set-pretty-hostname", G_CALLBACK(on_handle_set_pretty_hostname), NULL);
	169	g_signal_connect(hostnamed_interf, "handle-set-chassis", G_CALLBACK(on_handle_set_chassis), NULL);
	170	g_signal_connect(hostnamed_interf, "handle-set-icon-name", G_CALLBACK(on_handle_set_icon_name), NULL);
	171
	172	/* set our properties before export */
	173	hostnamed_hostname1_set_hostname(hostnamed_interf, our_get_hostname());
	174	hostnamed_hostname1_set_static_hostname(hostnamed_interf, our_get_static_hostname());
	175	hostnamed_hostname1_set_pretty_hostname(hostnamed_interf, our_get_pretty_hostname());
	176	hostnamed_hostname1_set_chassis(hostnamed_interf, our_get_chassis());
	177	hostnamed_hostname1_set_icon_name(hostnamed_interf, our_get_icon_name());
	178	hostnamed_hostname1_set_kernel_name(hostnamed_interf, our_get_kernel_name());
	179	hostnamed_hostname1_set_kernel_version(hostnamed_interf, our_get_kernel_version());
	180	hostnamed_hostname1_set_kernel_release(hostnamed_interf, our_get_kernel_release());
	181	hostnamed_hostname1_set_operating_system_cpename(hostnamed_interf, our_get_os_cpename());
	182	hostnamed_hostname1_set_operating_system_pretty_name(hostnamed_interf, our_get_os_pretty_name());
	183
	184	if(!g_dbus_interface_skeleton_export(G_DBUS_INTERFACE_SKELETON(hostnamed_interf),
	185	conn,
	186	"/org/freedesktop/hostname1",
	187	NULL)) {
	188
	189	g_printf("failed to export hostname1's interface on system bus!");
	190	}
	191
	192	}
	193
	194	static void hostnamed_on_name_lost(GDBusConnection *conn,
	195	const gchar *name,
	196	gpointer user_data) {
	197
	198	g_print("lost name %s, exiting...", name);
	199
	200	hostnamed_mem_clean();
	201	g_dbus_interface_skeleton_unexport(G_DBUS_INTERFACE_SKELETON(hostnamed_interf));
	202
	203	/* TODO exit through g_main_loop properly... */
	204	}
	205
	206	/* safe call to try and start hostnamed */
	207	void hostnamed_init() {
	208
	209	guint bus_descriptor;
	210
	211	bus_descriptor = g_bus_own_name(G_BUS_TYPE_SYSTEM,
	212	"org.freedesktop.hostname1",
	213	G_BUS_NAME_OWNER_FLAGS_NONE,
	214	hostnamed_on_bus_acquired,
	215	hostnamed_on_name_acquired,
	216	hostnamed_on_name_lost,
	217	NULL,
	218	NULL);
	219
	220	/* TODO: malloc and return reference as if a main() closed */
	221	}
	222
	223	/* free()'s */
	224	void hostnamed_mem_clean() {
	225
	226	g_ptr_array_foreach(hostnamed_freeable, (GFunc) g_free, NULL);
	227	}
	228
	229	/* TODO figure out DMI variables on obsd */
	230	/static gchar guess_icon_name() {
	231
	232	gchar *filebuf = NULL;
	233	gchar *ret = NULL;
	234
	235	#if defined(__i386__) \|\| defined(__x86_64__)
	236
	237	Taken with a few minor changes from systemd's hostnamed.c,
	238	copyright 2011 Lennart Poettering.
	239
	240	See the SMBIOS Specification 2.7.1 section 7.4.1 for
	241	details about the values listed here:
	242
	243	http://www.dmtf.org/sites/default/files/standards/documents/DSP0134_2.7.1.pdf
	244
	245
	246	if (g_file_get_contents ("/sys/class/dmi/id/chassis_type", &filebuf, NULL, NULL)) {
	247	switch (g_ascii_strtoull (filebuf, NULL, 10)) {
	248	case 0x3:
	249	case 0x4:
	250	case 0x5:
	251	case 0x6:
	252	case 0x7:
	253	ret = g_strdup ("computer-desktop");
	254	goto out;
	255	case 0x9:
	256	case 0xA:
	257	case 0xE:
	258	ret = g_strdup ("computer-laptop");
	259	goto out;
	260	case 0x11:
	261	case 0x17:
	262	case 0x1C:
	263	case 0x1D:
	264	ret = g_strdup ("computer-server");
	265	goto out;
	266	}
	267	}
	268	#endif
	269	ret = g_strdup ("computer");
	270	out:
	271	g_free (filebuf);
	272	return ret;
	273	}*/