From 64f9c50ce4d7f7ecc5b414b46fe44c28bf54974d Mon Sep 17 00:00:00 2001
From: Michael Wallner <mike@php.net>
Date: Wed, 9 Nov 2005 15:24:05 +0000
Subject: [PATCH] - http_get_request_headers() modified $_SERVER array keys

---
 http_headers_api.c  | 22 ++++++++++++++++++----
 package2.xml        |  1 +
 php_http_std_defs.h |  6 ++++++
 3 files changed, 25 insertions(+), 4 deletions(-)

diff --git a/http_headers_api.c b/http_headers_api.c
index 0be9b2c..b61646d 100644
--- a/http_headers_api.c
+++ b/http_headers_api.c
@@ -433,24 +433,38 @@ PHP_HTTP_API void _http_get_request_headers_ex(HashTable *headers, zend_bool pre
 {
 	char *key = NULL;
 	ulong idx = 0;
+	uint keylen = 0;
 	zval array, **hsv;
 	HashPosition pos;
 
 	Z_ARRVAL(array) = headers;
 
 	if (SUCCESS == zend_hash_find(&EG(symbol_table), "_SERVER", sizeof("_SERVER"), (void **) &hsv)) {
-		FOREACH_KEY(pos, *hsv, key, idx) {
-			if (key && !strncmp(key, "HTTP_", 5)) {
-				zval **header;
+		FOREACH_KEYLEN(pos, *hsv, key, keylen, idx) {
+			if (key && keylen > 6 && !strncmp(key, "HTTP_", 5)) {
+				zval **header, *orig;
 	
 				key += 5;
+				keylen -= 6;
 				if (prettify) {
-					key = pretty_key(key, strlen(key), 1, 1);
+					key = pretty_key(estrndup(key, keylen), keylen, 1, 1);
 				}
 	
 				zend_hash_get_current_data_ex(Z_ARRVAL_PP(hsv), (void **) &header, &pos);
+				
+				orig = *header;
+				convert_to_string_ex(header);
 				add_assoc_stringl(&array, key, Z_STRVAL_PP(header), Z_STRLEN_PP(header), 1);
+				if (orig != *header) {
+					zval_ptr_dtor(header);
+				}
+				
+				if (prettify) {
+					efree(key);
+				}
+				
 				key = NULL;
+				keylen = 0;
 			}
 		}
 	}
diff --git a/package2.xml b/package2.xml
index 5b2e950..6dd1827 100644
--- a/package2.xml
+++ b/package2.xml
@@ -45,6 +45,7 @@
 + Class HttpMessage implements Serializable if PHP >= 5.1 is available
 
 * Fixed a bug that caused a warning about an invalid curl handle at HttpRequestPool destruction
+* Fixed a bug with http_get_request_headers() modifying $_SERVER array
 ]]></notes>
  <contents>
   <dir name="/">
diff --git a/php_http_std_defs.h b/php_http_std_defs.h
index 558a8ec..489e372 100644
--- a/php_http_std_defs.h
+++ b/php_http_std_defs.h
@@ -141,6 +141,12 @@ typedef int STATUS;
 			zend_hash_get_current_key_ex(hash, &strkey, NULL, &numkey, 0, &pos) != HASH_KEY_NON_EXISTANT; \
 			zend_hash_move_forward_ex(hash, &pos)) \
 
+#define FOREACH_KEYLEN(pos, array, strkey, keylen, numkey) FOREACH_HASH_KEYLEN(pos, Z_ARRVAL_P(array), strkey, keylen, numkey)
+#define FOREACH_HASH_KEYLEN(pos, hash, strkey, keylen, numkey) \
+	for (	zend_hash_internal_pointer_reset_ex(hash, &pos); \
+			zend_hash_get_current_key_ex(hash, &strkey, &keylen, &numkey, 0, &pos) != HASH_KEY_NON_EXISTANT; \
+			zend_hash_move_forward_ex(hash, &pos)) \
+
 #define FOREACH_KEYVAL(pos, array, strkey, numkey, val) FOREACH_HASH_KEYVAL(pos, Z_ARRVAL_P(array), strkey, numkey, val)
 #define FOREACH_HASH_KEYVAL(pos, hash, strkey, numkey, val) \
 	for (	zend_hash_internal_pointer_reset_ex(hash, &pos); \
-- 
2.30.2