Fix corruption that occurs when connecting and reconnecting to

icbirc repeatedly. After a while, icbirc starts reusing the command
buffer from a previous connection, causing all further connections
to incorrectly parse commands.

OK maintainer (dhartmei@)

net/icbirc/Makefile

@@ -1,8 +1,9 @@
-# $OpenBSD: Makefile,v 1.9 2007/09/15 22:36:53 merdely Exp $
+# $OpenBSD: Makefile,v 1.10 2009/06/01 07:06:12 ray Exp $
 
 COMMENT=	proxy IRC client with ICB server
 
 DISTNAME=	icbirc-1.8
+PKGNAME=	${DISTNAME}p0
 CATEGORIES=	net
 MASTER_SITES=	http://www.benzedrine.cx/
 

net/icbirc/patches/patch-icb_c

@@ -0,0 +1,37 @@
+$OpenBSD: patch-icb_c,v 1.1 2009/06/01 07:06:12 ray Exp $
+--- icb.c.orig	Thu Nov 18 13:14:06 2004
++++ icb.c	Sat May 30 20:29:23 2009
+@@ -60,6 +60,7 @@ static char icurgroup[256];
+ static char igroup[256];
+ static char inick[256];
+ static char ihostmask[256];
++static unsigned off;
+ 
+ /*
+  * A single ICB packet consists of a length byte, a command byte and
+@@ -124,10 +125,24 @@ scan(const char **s, char *d, size_t siz, const char *
+ }
+ 
+ void
++icb_init(void)
++{
++	memset(icb_protolevel, 0, sizeof(icb_protolevel));
++	memset(icb_hostid, 0, sizeof(icb_hostid));
++	memset(icb_serverid, 0, sizeof(icb_serverid));
++	memset(icb_moderator, 0, sizeof(icb_moderator));
++	imode = imode_none;
++	memset(icurgroup, 0, sizeof(icurgroup));
++	memset(igroup, 0, sizeof(igroup));
++	memset(inick, 0, sizeof(inick));
++	memset(ihostmask, 0, sizeof(ihostmask));
++	off = 0;
++}
++
++void
+ icb_recv(const char *buf, unsigned len, int fd, int server_fd)
+ {
+ 	static unsigned char cmd[256];
+-	static unsigned off = 0;
+ 
+ 	while (len > 0) {
+ 		if (off == 0) {

net/icbirc/patches/patch-icb_h

@@ -0,0 +1,11 @@
+$OpenBSD: patch-icb_h,v 1.1 2009/06/01 07:06:12 ray Exp $
+--- icb.h.orig	Thu Nov 18 13:14:06 2004
++++ icb.h	Sat May 30 20:29:23 2009
+@@ -3,6 +3,7 @@
+ #ifndef _ICB_H_
+ #define _ICB_H_
+ 
++void	 icb_init(void);
+ void	 icb_recv(const char *, unsigned, int, int);
+ void	 icb_send_login(int, const char *, const char *, const char *);
+ void	 icb_send_openmsg(int, const char *);

net/icbirc/patches/patch-icbirc_c

@@ -0,0 +1,11 @@
+$OpenBSD: patch-icbirc_c,v 1.1 2009/06/01 07:06:12 ray Exp $
+--- icbirc.c.orig	Thu Nov 18 13:14:06 2004
++++ icbirc.c	Sat May 30 20:29:23 2009
+@@ -258,6 +258,7 @@ handle_client(int client_fd)
+ 
+ 	irc_send_notice(client_fd, "Connected");
+ 	terminate_client = 0;
++	icb_init();
+ 	while (!terminate_client) {
+ 		fd_set readfds;
+ 		struct timeval tv;