netdev - [PATCH 2/4] [IrDA] Monitor mode

lists.openwall.net		lists / announce john-users owl-users popa3d-users / xvendor oss-security / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4
Open Source and information security mailing list archives

This website is powered by Openwall GNU/*/Linux security-enhanced OS

[<prev] [next>] [<thread-prev] [thread-next>] [month] [year] [list]

Date:	Mon, 02 Jul 2007 01:14:29 +0300
From:	samuel@...tiz.org
To:	davem@...emloft.net
Subject: [PATCH 2/4] [IrDA] Monitor mode

Through the IrDA netlink set mode command, we switch to IrDA monitor mode,
where one IrLAP instance receives all the packets on the media, without ever
responding to them.

Signed-off-by: Samuel Ortiz <samuel@...tiz.org>

Index: net-2.6-quilt/include/linux/irda.h
===================================================================
--- net-2.6-quilt.orig/include/linux/irda.h	2007-05-12 03:04:09.000000000 +0300
+++ net-2.6-quilt/include/linux/irda.h	2007-05-12 03:07:41.000000000 +0300
@@ -242,6 +242,7 @@
 /* IrDA modes */
 #define IRDA_MODE_PRIMARY   0x1
 #define IRDA_MODE_SECONDARY 0x2
+#define IRDA_MODE_MONITOR   0x4
 
 #endif /* KERNEL_IRDA_H */
 
Index: net-2.6-quilt/net/irda/irlap_frame.c
===================================================================
--- net-2.6-quilt.orig/net/irda/irlap_frame.c	2007-05-12 03:02:16.000000000 +0300
+++ net-2.6-quilt/net/irda/irlap_frame.c	2007-05-12 03:07:41.000000000 +0300
@@ -101,6 +101,13 @@
 
 	irlap_insert_info(self, skb);
 
+ 	if (unlikely(self->mode & IRDA_MODE_MONITOR)) {
+ 		IRDA_DEBUG(3, "%s(): %s is in monitor mode\n", __FUNCTION__,
+ 			   self->netdev->name);
+ 		dev_kfree_skb(skb);
+ 		return;
+ 	}
+
 	dev_queue_xmit(skb);
 }
 

-- 
-
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html