From 2be69ed5050ac7bfa03af2ddce172e6fc02ddc84 Mon Sep 17 00:00:00 2001
From: Marcel Holtmann <marcel@holtmann.org>
Date: Wed, 31 Dec 2008 19:42:37 +0100
Subject: [PATCH] Add basic pppd plugin

---
 scripts/Makefile.am   |  6 ++++
 scripts/pppd-plugin.c | 80 +++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 86 insertions(+)
 create mode 100644 scripts/pppd-plugin.c

diff --git a/scripts/Makefile.am b/scripts/Makefile.am
index b28f64f..9cf4e00 100644
--- a/scripts/Makefile.am
+++ b/scripts/Makefile.am
@@ -15,6 +15,12 @@ udhcpc_script_LDADD = @DBUS_LIBS@
 
 dhclient_script_LDADD = @DBUS_LIBS@
 
+if PPPD
+script_LTLIBRARIES = pppd-plugin.la
+
+pppd_plugin_la_LDFLAGS = -module -avoid-version
+endif
+
 AM_CFLAGS = @DBUS_CFLAGS@
 
 EXTRA_DIST = $(script_DATA)
diff --git a/scripts/pppd-plugin.c b/scripts/pppd-plugin.c
new file mode 100644
index 0000000..232d58a
--- /dev/null
+++ b/scripts/pppd-plugin.c
@@ -0,0 +1,80 @@
+/*
+ *
+ *  Connection Manager
+ *
+ *  Copyright (C) 2007-2008  Intel Corporation. All rights reserved.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2 as
+ *  published by the Free Software Foundation.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <netinet/in.h>
+#include <arpa/inet.h>
+
+#include <pppd/pppd.h>
+#include <pppd/fsm.h>
+#include <pppd/ipcp.h>
+
+static void notifier_phasechange(void *data, int arg)
+{
+	printf("phasechange: data %p arg %d\n", data, arg);
+}
+
+static void notifier_exit(void *data, int arg)
+{
+	printf("exitnotify: data %p arg %d\n", data, arg);
+}
+
+static void notifier_ipup(void *data, int arg)
+{
+	ipcp_options opts = ipcp_gotoptions[0];
+	ipcp_options peer = ipcp_hisoptions[0];
+
+	printf("ipup: data %p arg %d\n", data, arg);
+
+	printf("%s: %s -> %s\n", ifname,
+				inet_ntoa(*((struct in_addr *) &opts.ouraddr)),
+				inet_ntoa(*((struct in_addr *) &peer.hisaddr)));
+
+	script_unsetenv("USEPEERDNS");
+	script_unsetenv("DNS1");
+	script_unsetenv("DNS2");
+}
+
+static void notifier_ipdown(void *data, int arg)
+{
+	printf("ipdown: data %p arg %d\n", data, arg);
+}
+
+char pppd_version[] = VERSION;
+
+int plugin_init(void);
+
+int plugin_init(void)
+{
+	path_ipup[0] = '\0';
+	path_ipdown[0] = '\0';
+
+	add_notifier(&phasechange, notifier_phasechange, NULL);
+	add_notifier(&exitnotify, notifier_exit, NULL);
+
+	add_notifier(&ip_up_notifier, notifier_ipup, NULL);
+	add_notifier(&ip_down_notifier, notifier_ipdown, NULL);
+
+	return 0;
+}
-- 
2.7.4