5 * Copyright (C) 2007-2009 Intel Corporation. All rights reserved.
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
30 #include <dbus/dbus.h>
32 #define DHCLIENT_INTF "org.isc.dhclient"
33 #define DHCLIENT_PATH "/org/isc/dhclient"
35 extern char **environ;
37 static void append(DBusMessageIter *dict, const char *pattern)
39 DBusMessageIter entry;
40 const char *key, *value;
43 delim = strchr(pattern, '=');
49 dbus_message_iter_open_container(dict, DBUS_TYPE_DICT_ENTRY,
52 dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
54 dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &value);
56 dbus_message_iter_close_container(dict, &entry);
59 int main(int argc, char *argv[])
64 DBusMessageIter iter, dict;
66 char **envp, *busname, *reason, *interface;
68 busname = getenv("BUSNAME");
70 pid = atoi(getenv("pid"));
71 reason = getenv("reason");
72 interface = getenv("interface");
74 dbus_error_init(&error);
76 conn = dbus_bus_get(DBUS_BUS_SYSTEM, &error);
78 if (dbus_error_is_set(&error) == TRUE) {
79 fprintf(stderr, "%s\n", error.message);
80 dbus_error_free(&error);
82 fprintf(stderr, "Failed to get on system bus\n");
86 msg = dbus_message_new_method_call(busname, DHCLIENT_PATH,
87 DHCLIENT_INTF, "notify");
89 dbus_connection_unref(conn);
90 fprintf(stderr, "Failed to allocate method call\n");
94 dbus_message_set_no_reply(msg, TRUE);
96 dbus_message_append_args(msg, DBUS_TYPE_UINT32, &pid,
97 DBUS_TYPE_STRING, &reason, DBUS_TYPE_INVALID);
99 dbus_message_iter_init_append(msg, &iter);
101 dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY,
102 DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
103 DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_STRING_AS_STRING
104 DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
106 for (envp = environ; envp && *envp; envp++) {
107 if (strlen(*envp) < 5)
110 if (strncmp(*envp, "new_", 4) == 0 ||
111 strncmp(*envp, "old_", 4) == 0 ||
112 strncmp(*envp, "alia", 4) == 0)
113 append(&dict, *envp);
116 dbus_message_iter_close_container(&iter, &dict);
118 if (dbus_connection_send(conn, msg, NULL) == FALSE)
119 fprintf(stderr, "Failed to send message\n");
121 dbus_connection_flush(conn);
123 dbus_message_unref(msg);
125 dbus_connection_unref(conn);