src/interfaces/hostnamed/hostnamed.c

   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 <glib.h>
  21 #include <gio/gio.h>
  22
  23 #include "hostnamed.h"
  24 #include "hostnamed-gen.c"
  25
  26 GPtrArray *hostnamed_freeable;
  27 GDBusNodeInfo *spect_data;
  28
  29 static void on_bus_acquired(GDBusConnection *conn,
  30                             const gchar *name,
  31                             gpointer user_data) {
  32
  33     GError *err;
  34
  35     g_print("got bus, name: %s\n", name);
  36
  37 }
  38
  39 static void on_name_acquired(GDBusConnection *conn,
  40                              const gchar *name,
  41                              gpointer user_data) {
  42
  43     g_print("got name %s\n", name);
  44 }
  45
  46 static void on_name_lost(GDBusConnection *conn,
  47                          const gchar *name,
  48                          gpointer user_data) {
  49
  50     g_print("lost name %s, exiting...", name);
  51
  52     hostnamed_mem_clean();
  53
  54     //TODO exit through g_main_loop properly...
  55 }
  56
  57 /* safe call to try and start hostnamed */
  58 GError *hostnamed_init() {
  59
  60     guint bus_descriptor;
  61     GError *err = NULL;
  62     gchar **hostnamed_ispect_xml;
  63     gchar  *hostnamed_joined_xml;
  64
  65     hostnamed_freeable = g_ptr_array_new();
  66     hostnamed_ispect_xml = g_malloc(3000);
  67
  68     g_file_get_contents("conf/hostnamed-ispect.xml", hostnamed_ispect_xml, NULL, NULL);
  69     hostnamed_joined_xml = g_strjoinv("\n", hostnamed_ispect_xml);
  70     spect_data = g_dbus_node_info_new_for_xml(hostnamed_joined_xml, NULL);
  71
  72     g_free(hostnamed_ispect_xml);
  73     g_ptr_array_add(hostnamed_freeable, hostnamed_joined_xml);
  74
  75     bus_descriptor = g_bus_own_name(G_BUS_TYPE_SYSTEM,
  76                                     "org.freedesktop.hostname1",
  77                                     G_BUS_NAME_OWNER_FLAGS_NONE,
  78                                     on_bus_acquired,
  79                                     on_name_acquired,
  80                                     on_name_lost,
  81                                     NULL,
  82                                     NULL);
  83
  84     //TODO: malloc and return reference as if a main() closed
  85     return err;
  86 }
  87
  88 /* free()'s */
  89 void hostnamed_mem_clean() {
  90
  91     g_ptr_array_foreach(hostnamed_freeable, (GFunc) g_free, NULL);
  92 }
  93
  94 //TODO figure out DMI variables on obsd
  95 /*static gchar *guess_icon_name() {
  96
  97     gchar *filebuf = NULL;
  98     gchar *ret = NULL;
  99
 100     //TODO vm check
 101
 102     #if defined(__i386__) || defined(__x86_64__)
 103
 104        Taken with a few minor changes from systemd's hostnamed.c,
 105        copyright 2011 Lennart Poettering.
 106
 107        See the SMBIOS Specification 2.7.1 section 7.4.1 for
 108        details about the values listed here:
 109
 110        http://www.dmtf.org/sites/default/files/standards/documents/DSP0134_2.7.1.pdf
 111
 112
 113     if (g_file_get_contents ("/sys/class/dmi/id/chassis_type", &filebuf, NULL, NULL)) {
 114         switch (g_ascii_strtoull (filebuf, NULL, 10)) {
 115         case 0x3:
 116         case 0x4:
 117         case 0x5:
 118         case 0x6:
 119         case 0x7:
 120             ret = g_strdup ("computer-desktop");
 121             goto out;
 122         case 0x9:
 123         case 0xA:
 124         case 0xE:
 125             ret = g_strdup ("computer-laptop");
 126             goto out;
 127         case 0x11:
 128         case 0x17:
 129         case 0x1C:
 130         case 0x1D:
 131             ret = g_strdup ("computer-server");
 132             goto out;
 133         }
 134     }
 135     #endif
 136     ret = g_strdup ("computer");
 137   out:
 138     g_free (filebuf);
 139     return ret;
 140 }*/