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/06_fix_shaper_buffer.patch

@@ -0,0 +1,56 @@
+diff -Nur a/redir.c b/redir.c
+--- a/redir.c	2005-10-22 23:20:05.235901424 -0400
++++ b/redir.c	2005-10-22 23:22:20.198384008 -0400
+@@ -259,7 +259,7 @@
+ #endif
+ 	   int *transproxy,
+ #ifndef NO_SHAPER
+-           unsigned int * bufsize,
++           unsigned int * bufsizeout,
+            int * max_bandwidth,
+            int * random_wait,
+            int * wait_in_out,
+@@ -366,7 +366,7 @@
+ 
+ #ifndef NO_SHAPER
+                 case 'z':
+-                  *bufsize = (unsigned int)atol(optarg);
++                  *bufsizeout = (unsigned int)atol(optarg);
+                   break;
+  
+                 case 'm':
+@@ -593,7 +593,7 @@
+ 	unsigned long bytes_in = 0;
+ 	unsigned long bytes_out = 0;
+ 	unsigned int start_time, end_time;
+-	char buf[bufsize];
++	char* buf = malloc(bufsize);
+ 
+ 	/* Record start time */
+ 	start_time = (unsigned int) time(NULL);
+@@ -632,7 +632,7 @@
+ 		}
+ 
+ 		if(FD_ISSET(insock, &c_iofds)) {
+-			if((bytes = read(insock, buf, sizeof(buf))) <= 0)
++			if((bytes = read(insock, buf, bufsize)) <= 0)
+ 				break;
+ #ifndef NO_FTP
+ 			if (ftp & FTP_PORT)
+@@ -647,7 +647,7 @@
+ 			bytes_out += bytes;
+ 		}
+ 		if(FD_ISSET(outsock, &c_iofds)) {
+-			if((bytes = read(outsock, buf, sizeof(buf))) <= 0)
++			if((bytes = read(outsock, buf, bufsize)) <= 0)
+ 				break;
+ 			/* if we're correcting for PASV on ftp redirections, then
+ 			   fix buf and bytes to have the new address, among other
+@@ -684,6 +684,7 @@
+ 		syslog(LOG_NOTICE, "disconnect %d secs, %ld in %ld out",
+ 		       (end_time - start_time), bytes_in, bytes_out);
+ 	}
++	free(buf);
+ 	return;
+ }
+