openwrt/package/busybox/patches/350-httpd_redir.patch

Index: busybox-1.4.2/include/usage.h
===================================================================
--- busybox-1.4.2.orig/include/usage.h	2007-06-04 13:21:32.103096256 +0200
+++ busybox-1.4.2/include/usage.h	2007-06-04 13:21:35.005655000 +0200
@@ -1257,7 +1257,8 @@
 	USE_FEATURE_HTTPD_BASIC_AUTH(" [-r <realm>]") \
 	USE_FEATURE_HTTPD_AUTH_MD5(" [-m pass]") \
        " [-h home]" \
-       " [-d/-e <string>]"
+       " [-d/-e <string>]" \
+       " [-R <path> [-H <host>]]"
 #define httpd_full_usage \
        "Listen for incoming http server requests" \
        "\n\nOptions:\n" \
@@ -1273,7 +1274,9 @@
        "	-m PASS		Crypt PASS with md5 algorithm\n") \
        "	-h HOME		Specifies http HOME directory (default ./)\n" \
        "	-e STRING	HTML encode STRING\n" \
-       "	-d STRING	URL decode STRING"
+       "	-d STRING	URL decode STRING\n" \
+       "	-R PATH 	Redirect target path\n" \
+       "	-H HOST 	Redirect target host"
 
 #define hwclock_trivial_usage \
        "[-r|--show] [-s|--hctosys] [-w|--systohc] [-l|--localtime] [-u|--utc]"
Index: busybox-1.4.2/networking/httpd.c
===================================================================
--- busybox-1.4.2.orig/networking/httpd.c	2007-06-04 13:21:34.588718384 +0200
+++ busybox-1.4.2/networking/httpd.c	2007-06-04 13:21:35.006654848 +0200
@@ -140,6 +140,8 @@
 	USE_FEATURE_HTTPD_CGI(char *user_agent;)
 
 	const char *configFile;
+	const char *redirectPath;
+	const char *redirectHost;
 
 	unsigned int rmt_ip;
 #if ENABLE_FEATURE_HTTPD_CGI || DEBUG
@@ -880,8 +882,11 @@
 	}
 #endif
 	if (responseNum == HTTP_MOVED_TEMPORARILY) {
-		len += sprintf(buf+len, "Location: %s/%s%s\r\n",
+		len += sprintf(buf+len, "Location: %s%s%s%s%s%s\r\n",
+				(config->redirectHost ? "http://" : ""),
+				(config->redirectHost ? config->redirectHost : ""),
 				config->found_moved_temporarily,
+				(config->redirectHost ? "" : "/"),
 				(config->query ? "?" : ""),
 				(config->query ? config->query : ""));
 	}
@@ -1594,8 +1599,12 @@
 		*++purl = '\0';       /* so keep last character */
 		test = purl;          /* end ptr */
 
+		/* redirect active */
+		if (config->redirectPath && (strncmp(url, config->redirectPath, strlen(config->redirectPath)) != 0))
+			config->found_moved_temporarily = config->redirectPath;
+
 		/* If URL is directory, adding '/' */
-		if (test[-1] != '/') {
+		if(!config->redirectPath && (test[-1] != '/')) {
 			if (is_directory(url + 1, 1, &sb)) {
 				config->found_moved_temporarily = url;
 			}
@@ -1897,7 +1906,9 @@
 #endif
 
 enum {
-	c_opt_config_file = 0,
+	R_opt_redirect_path = 0,
+	H_opt_redirect_host,
+	c_opt_config_file,
 	d_opt_decode_url,
 	h_opt_home_httpd,
 	USE_FEATURE_HTTPD_ENCODE_URL_STR(e_opt_encode_url,)
@@ -1919,7 +1930,7 @@
 	OPT_FOREGROUND  = 1 << p_opt_foreground,
 };
 
-static const char httpd_opts[] = "c:d:h:"
+static const char httpd_opts[] = "R:H:c:d:h:"
 	USE_FEATURE_HTTPD_ENCODE_URL_STR("e:")
 	USE_FEATURE_HTTPD_BASIC_AUTH("r:")
 	USE_FEATURE_HTTPD_AUTH_MD5("m:")
@@ -1951,6 +1962,7 @@
 	config->ContentLength = -1;
 
 	opt = getopt32(argc, argv, httpd_opts,
+			&(config->redirectPath), &(config->redirectHost),
 			&(config->configFile), &url_for_decode, &home_httpd
 			USE_FEATURE_HTTPD_ENCODE_URL_STR(, &url_for_encode)
 			USE_FEATURE_HTTPD_BASIC_AUTH(, &(config->realm))