From 96f5c917e43d94f2d5d7f092a09422db6b13f307 Mon Sep 17 00:00:00 2001
From: Michael Wallner <mike@php.net>
Date: Mon, 13 Jun 2005 16:35:14 +0000
Subject: [PATCH] - fix mem-leaks with http_curl_callback_ctx - need to sort
 out curl_multi_strerror

---
 http.c                 |  1 +
 http_request_api.c     | 28 ++++++++++++++--------------
 php_http.h             |  1 +
 php_http_request_api.h | 12 ++++++++++--
 4 files changed, 26 insertions(+), 16 deletions(-)

diff --git a/http.c b/http.c
index 11c7439..62f86ab 100644
--- a/http.c
+++ b/http.c
@@ -137,6 +137,7 @@ static inline void http_globals_init(zend_http_globals *G)
 #ifdef HTTP_HAVE_CURL
 	zend_llist_init(&G->request.copies.strings, sizeof(char *), http_request_data_free_string, 0);
 	zend_llist_init(&G->request.copies.slists, sizeof(struct curl_slist *), http_request_data_free_slist, 0);
+	zend_llist_init(&G->request.copies.contexts, sizeof(http_curl_callback_ctx *), http_request_data_free_context, 0);
 #endif
 }
 
diff --git a/http_request_api.c b/http_request_api.c
index ca91a28..87d40a0 100644
--- a/http_request_api.c
+++ b/http_request_api.c
@@ -48,14 +48,6 @@ ZEND_EXTERN_MODULE_GLOBALS(http)
 
 #if LIBCURL_VERSION_NUM < 0x070c00
 #	define curl_easy_strerror(code) HTTP_G(request).error
-#	ifndef curl_multi_strerror
-		static char *curl_multi_strerror(int code)
-		{
-			char message[256] = {0};
-			snprintf(message, 255, "Unknown HttpRequestPool error (curl multi code: %d)", code);
-			return http_request_data_copy(COPY_STRING, message);
-		}
-#endif
 #endif
 
 #define HTTP_CURL_INFO(I) HTTP_CURL_INFO_EX(I, I)
@@ -122,11 +114,6 @@ static size_t http_curl_read_callback(void *, size_t, size_t, void *);
 static int http_curl_progress_callback(void *, double, double, double, double);
 static int http_curl_debug_callback(CURL *, curl_infotype, char *, size_t, void *);
 
-typedef struct {
-	void ***tsrm_ctx;
-	void *data;
-} http_curl_callback_ctx;
-
 #define HTTP_CURL_CALLBACK_DATA(from, type, var) \
 	http_curl_callback_ctx *__CTX = (http_curl_callback_ctx *) (from); \
 	TSRMLS_FETCH_FROM_CTX(__CTX->tsrm_ctx); \
@@ -185,6 +172,12 @@ void *_http_request_data_copy(int type, void *data TSRMLS_DC)
 			return data;
 		}
 
+		case COPY_CONTEXT:
+		{
+			zend_llist_add_element(&HTTP_G(request).copies.contexts, &data);
+			return data;
+		}
+		
 		default:
 		{
 			return data;
@@ -207,6 +200,13 @@ void _http_request_data_free_slist(void *list)
 }
 /* }}} */
 
+/* {{{ _http_request_data_free_context(http_curl_callback_ctx **) */
+void _http_request_data_free_context(void *context)
+{
+	efree(*((http_curl_callback_ctx **) context));
+}
+/* }}} */
+
 /* {{{ http_request_body *http_request_body_new() */
 PHP_HTTP_API http_request_body *_http_request_body_new(TSRMLS_D)
 {
@@ -1073,7 +1073,7 @@ static http_curl_callback_ctx *_http_curl_callback_data(void *data TSRMLS_DC)
 	http_curl_callback_ctx *ctx = emalloc(sizeof(http_curl_callback_ctx));
 	TSRMLS_SET_CTX(ctx->tsrm_ctx);
 	ctx->data = data;
-	return ctx;
+	return http_request_data_copy(COPY_CONTEXT, ctx);
 }
 /* }}} */
 
diff --git a/php_http.h b/php_http.h
index 49b79e6..e648457 100644
--- a/php_http.h
+++ b/php_http.h
@@ -64,6 +64,7 @@ ZEND_BEGIN_MODULE_GLOBALS(http)
 		struct _http_globlas_request_copies {
 			zend_llist strings;
 			zend_llist slists;
+			zend_llist contexts;
 		} copies;
 #	if LIBCURL_VERSION_NUM < 0x070c00
 		char error[CURL_ERROR_SIZE + 1];
diff --git a/php_http_request_api.h b/php_http_request_api.h
index 4b642e4..3a44678 100644
--- a/php_http_request_api.h
+++ b/php_http_request_api.h
@@ -82,14 +82,22 @@ typedef struct {
 	int unfinished;
 } http_request_pool;
 
-#define COPY_STRING	1
-#define	COPY_SLIST	2
+typedef struct {
+	void ***tsrm_ctx;
+	void *data;
+} http_curl_callback_ctx;
+
+#define COPY_STRING		1
+#define	COPY_SLIST		2
+#define COPY_CONTEXT	3
 #define http_request_data_copy(type, data) _http_request_data_copy((type), (data) TSRMLS_CC)
 extern void *_http_request_data_copy(int type, void *data TSRMLS_DC);
 #define http_request_data_free_string _http_request_data_free_string
 extern void _http_request_data_free_string(void *string);
 #define http_request_data_free_slist _http_request_data_free_slist
 extern void _http_request_data_free_slist(void *list);
+#define http_request_data_free_context _http_request_data_free_context
+extern void _http_request_data_free_context(void *context);
 
 #define http_request_pool_responsehandler _http_request_pool_responsehandler
 extern void _http_request_pool_responsehandler(zval **req TSRMLS_DC);
-- 
2.30.2