New package redir

This patch adds a new package "redir" that allows to redirect incoming
TCP connections to a specific destination in a proxy-like way.


git-svn-id: svn://svn.openwrt.org/openwrt/packages@15686 3c298f89-4303-0410-b956-a3cf2f4a3e73

net/redir/patches/04_fix_timeouts.patch

@@ -0,0 +1,38 @@
+diff -Nur a/redir.c b/redir.c
+--- a/redir.c	2005-10-22 22:44:39.504061784 -0400
++++ b/redir.c	2005-10-22 22:47:14.746461352 -0400
+@@ -598,10 +598,6 @@
+ 	/* Record start time */
+ 	start_time = (unsigned int) time(NULL);
+ 
+-	/* Set up timeout */
+-	timeout.tv_sec = timeout_secs;
+-	timeout.tv_usec = 0;
+-
+ 	/* file descriptor bits */
+ 	FD_ZERO(&iofds);
+ 	FD_SET(insock, &iofds);
+@@ -618,14 +614,21 @@
+ 	while(1) {
+ 		(void) memcpy(&c_iofds, &iofds, sizeof(iofds));
+ 
++		/* Set up timeout, Linux returns seconds left in this structure
++		 * so we have to reset it before each select(). */
++		timeout.tv_sec = timeout_secs;
++		timeout.tv_usec = 0;
++
+ 
+ 		if (select(max_fd + 1,
+ 			   &c_iofds,
+ 			   (fd_set *)0,
+ 			   (fd_set *)0,
+ 			   (timeout_secs ? &timeout : NULL)) <= 0) {
+-			/*	    syslog(LLEV,"connection timeout: %d sec",timeout.tv_sec);*/
+-			break;
++		  if (dosyslog) {
++		    syslog(LOG_NOTICE,"connection timeout: %d sec",timeout_secs);
++		  }
++		  break;
+ 		}
+ 
+ 		if(FD_ISSET(insock, &c_iofds)) {