openwrt/package/busybox/patches/320-httpd_address_binding.patch

# Copyright (C) 2006 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#
diff -ruN busybox-1.2.0-old/networking/httpd.c busybox-1.2.0-new/networking/httpd.c
--- busybox-1.2.0-old/networking/httpd.c	2006-07-01 00:42:02.000000000 +0200
+++ busybox-1.2.0-new/networking/httpd.c	2006-08-01 10:06:58.000000000 +0200
@@ -99,6 +99,7 @@
 #include <sys/types.h>
 #include <sys/socket.h>    /* for connect and socket*/
 #include <netinet/in.h>    /* for sockaddr_in       */
+#include <arpa/inet.h>
 #include <sys/stat.h>
 #include <sys/wait.h>
 #include <fcntl.h>         /* for open modes        */
@@ -165,6 +166,7 @@
 #endif
   unsigned port;           /* server initial port and for
 			      set env REMOTE_PORT */
+  char *address;
   union HTTPD_FOUND {
 	const char *found_mime_type;
 	const char *found_moved_temporarily;
@@ -868,7 +870,10 @@
   /* inet_addr() returns a value that is already in network order */
   memset(&lsocket, 0, sizeof(lsocket));
   lsocket.sin_family = AF_INET;
-  lsocket.sin_addr.s_addr = INADDR_ANY;
+  if (inet_aton(config->address, &(lsocket.sin_addr)) == 1) {
+	  if (config->address != NULL) lsocket.sin_addr.s_addr = ((struct in_addr *) ((gethostbyname(config->address))->h_addr))->s_addr;
+	  else lsocket.sin_addr.s_addr = htons(INADDR_ANY);
+  }
   lsocket.sin_port = htons(config->port);
   fd = bb_xsocket(AF_INET, SOCK_STREAM, 0);
   /* tell the OS it's OK to reuse a previous address even though */
@@ -1899,6 +1904,7 @@
 	USE_FEATURE_HTTPD_AUTH_MD5(m_opt_md5,)
 	USE_FEATURE_HTTPD_SETUID(u_opt_setuid,)
 	USE_FEATURE_HTTPD_WITHOUT_INETD(p_opt_port,)
+	USE_FEATURE_HTTPD_WITHOUT_INETD(l_opt_addr,)
 };
 
 static const char httpd_opts[]="c:d:h:"
@@ -1906,7 +1912,7 @@
 	USE_FEATURE_HTTPD_BASIC_AUTH("r:")
 	USE_FEATURE_HTTPD_AUTH_MD5("m:")
 	USE_FEATURE_HTTPD_SETUID("u:")
-	USE_FEATURE_HTTPD_WITHOUT_INETD("p:");
+	USE_FEATURE_HTTPD_WITHOUT_INETD("p:l:");
 
 #define OPT_CONFIG_FILE (1<<c_opt_config_file)
 #define OPT_DECODE_URL  (1<<d_opt_decode_url)
@@ -1927,6 +1933,8 @@
 #define OPT_PORT        USE_FEATURE_HTTPD_WITHOUT_INETD((1<<p_opt_port)) \
 			SKIP_FEATURE_HTTPD_WITHOUT_INETD(0)
 
+#define OPT_ADDRESS     USE_FEATURE_HTTPD_WITHOUT_INETD((1<<l_opt_addr)) \
+			SKIP_FEATURE_HTTPD_WITHOUT_INETD(0)
 
 int httpd_main(int argc, char *argv[])
 {
@@ -1935,6 +1943,7 @@
   char *url_for_decode;
   USE_FEATURE_HTTPD_ENCODE_URL_STR(const char *url_for_encode;)
   USE_FEATURE_HTTPD_WITHOUT_INETD(const char *s_port;)
+  USE_FEATURE_HTTPD_WITHOUT_INETD(const char *s_addr;)
   USE_FEATURE_HTTPD_WITHOUT_INETD(int server;)
 
   USE_FEATURE_HTTPD_SETUID(const char *s_uid;)
@@ -1949,6 +1958,7 @@
 
 #ifdef CONFIG_FEATURE_HTTPD_WITHOUT_INETD
   config->port = 80;
+  config->address = "";
 #endif
 
   config->ContentLength = -1;
@@ -1960,6 +1970,7 @@
 			USE_FEATURE_HTTPD_AUTH_MD5(, &pass)
 			USE_FEATURE_HTTPD_SETUID(, &s_uid)
 			USE_FEATURE_HTTPD_WITHOUT_INETD(, &s_port)
+			USE_FEATURE_HTTPD_WITHOUT_INETD(, &s_addr)
 	);
 
   if(opt & OPT_DECODE_URL) {
@@ -1981,6 +1992,8 @@
 #ifdef CONFIG_FEATURE_HTTPD_WITHOUT_INETD
     if(opt & OPT_PORT)
 	config->port = bb_xgetlarg(s_port, 10, 1, 0xffff);
+    if (opt & OPT_ADDRESS)
+	if (s_addr) config->address = (char *) s_addr;
 #ifdef CONFIG_FEATURE_HTTPD_SETUID
     if(opt & OPT_SETUID) {
 	char *e;