X-Git-Url: https://git.m6w6.name/?p=m6w6%2Fext-http;a=blobdiff_plain;f=php_http_cache_api.h;h=f81f853aecbff935c2378905f0151850c1904871;hp=b8120891239810c9136b9c2e79c308f17b25e311;hb=39feb7a7e30bb4b393a6f76aa2f35d4e9275523e;hpb=1b093720ee0708c101a273e739ddb774f7d7f6d0

diff --git a/php_http_cache_api.h b/php_http_cache_api.h
index b812089..f81f853 100644
--- a/php_http_cache_api.h
+++ b/php_http_cache_api.h
@@ -22,25 +22,29 @@
 
 #include "ext/standard/md5.h"
 #include "ext/standard/sha1.h"
+#include "ext/standard/crc32.h"
 
 #include "php_http_std_defs.h"
 #include "php_http.h"
 #include "php_http_api.h"
 #include "php_http_send_api.h"
 
-#ifdef HAVE_LIBMHASH
+#ifdef HTTP_HAVE_MHASH
 #	include <mhash.h>
 #endif
 
 ZEND_EXTERN_MODULE_GLOBALS(http);
 
+#define http_cache_global_init() _http_cache_global_init(INIT_FUNC_ARGS_PASSTHRU)
+extern STATUS _http_cache_global_init(INIT_FUNC_ARGS);
+
 typedef enum {
+	HTTP_ETAG_CRC32 = -3,
 	HTTP_ETAG_MD5 = -2,
 	HTTP_ETAG_SHA1 = -1,
-	HTTP_ETAG_MHASH = 0,
 } http_etag_mode;
 
-#ifdef HAVE_LIBMHASH
+#ifdef HTTP_HAVE_MHASH
 static void *http_etag_alloc_mhash_digest(size_t size)
 {
 	return emalloc(size);
@@ -69,25 +73,30 @@ static inline char *_http_etag_digest(const unsigned char *digest, int len TSRML
 static inline void *_http_etag_init(TSRMLS_D)
 {
 	void *ctx = NULL;
-	long mode = INI_INT("http.etag_mode");
+	long mode = HTTP_G(etag).mode;
 	
 	switch (mode)
 	{
+		case HTTP_ETAG_CRC32:
+			ctx = emalloc(sizeof(unsigned int));
+			*((unsigned int *) ctx) = ~0;
+		break;
+		
 		case HTTP_ETAG_SHA1:
 			PHP_SHA1Init(ctx = emalloc(sizeof(PHP_SHA1_CTX)));
 		break;
 		
 		case HTTP_ETAG_MD5:
-#ifndef HAVE_LIBMHASH
+#ifndef HTTP_HAVE_MHASH
 		default:
 #endif
 			PHP_MD5Init(ctx = emalloc(sizeof(PHP_MD5_CTX)));
 		break;
 		
-#ifdef HAVE_LIBMHASH
+#ifdef HTTP_HAVE_MHASH
 		default:
 			if ((mode < 0) || ((ulong)mode > mhash_count()) || (!(ctx = mhash_init(mode)))) {
-				http_error_ex(HE_ERROR, HE_RUNTIME, "Invalid ETag mode: %ld", mode);
+				http_error_ex(HE_ERROR, HTTP_E_RUNTIME, "Invalid ETag mode: %ld", mode);
 			}
 		break;
 #endif
@@ -96,41 +105,91 @@ static inline void *_http_etag_init(TSRMLS_D)
 	return ctx;
 }
 
+#define http_etag_free(cp) _http_etag_free((cp) TSRMLS_CC)
+static inline void _http_etag_free(void **ctx_ptr TSRMLS_DC)
+{
+	long mode = HTTP_G(etag).mode;
+	
+	switch (mode)
+	{
+		case HTTP_ETAG_CRC32:
+			if (*((unsigned int **) ctx_ptr)) {
+				efree(*((unsigned int **) ctx_ptr));
+				*((unsigned int **) ctx_ptr) = NULL;
+			}
+		break;
+		
+		case HTTP_ETAG_SHA1:
+			if (*((PHP_SHA1_CTX **) ctx_ptr)) {
+				efree(*((PHP_SHA1_CTX **) ctx_ptr));
+				*((PHP_SHA1_CTX **) ctx_ptr) = NULL;
+			}
+		break;
+		
+		case HTTP_ETAG_MD5:
+#ifndef HTTP_HAVE_MHASH
+		default:
+#endif
+			if (*((PHP_MD5_CTX **) ctx_ptr)) {
+				efree(*((PHP_MD5_CTX **) ctx_ptr));
+				*((PHP_MD5_CTX **) ctx_ptr) = NULL;
+			}
+		break;
+		
+#ifdef HTTP_HAVE_MHASH
+		default:
+			/* mhash gets already freed in http_etag_finish() */
+			if (*((MHASH *) ctx_ptr)) {
+				mhash_deinit(*((MHASH *) ctx_ptr), NULL);
+				*((MHASH *) ctx_ptr) = NULL;
+			}
+		break;
+#endif
+	}
+}
+
 #define http_etag_finish(c) _http_etag_finish((c) TSRMLS_CC)
-static inline char *_http_etag_finish(void *ctx TSRMLS_DC)
+static inline char *_http_etag_finish(void **ctx_ptr TSRMLS_DC)
 {
 	char *etag = NULL;
 	unsigned char digest[20];
-	long mode = INI_INT("http.etag_mode");
+	long mode = HTTP_G(etag).mode;
 	
 	switch (mode)
 	{
+		case HTTP_ETAG_CRC32:
+			**((unsigned int **) ctx_ptr) = ~**((unsigned int **) ctx_ptr);
+			etag = http_etag_digest(*((const unsigned char **) ctx_ptr), sizeof(unsigned int));
+		break;
+		
 		case HTTP_ETAG_SHA1:
-			PHP_SHA1Final(digest, ctx);
+			PHP_SHA1Final(digest, *((PHP_SHA1_CTX **) ctx_ptr));
 			etag = http_etag_digest(digest, 20);
-			efree(ctx);
 		break;
 		
 		case HTTP_ETAG_MD5:
-#ifndef HAVE_LIBMHASH
+#ifndef HTTP_HAVE_MHASH
 		default:
 #endif
-			PHP_MD5Final(digest, ctx);
+			PHP_MD5Final(digest, *((PHP_MD5_CTX **) ctx_ptr));
 			etag = http_etag_digest(digest, 16);
-			efree(ctx);
 		break;
 		
-#ifdef HAVE_LIBMHASH
+#ifdef HTTP_HAVE_MHASH
 		default:
 		{
-			unsigned char *mhash_digest = mhash_end_m(ctx, http_etag_alloc_mhash_digest);
+			unsigned char *mhash_digest = mhash_end_m(*((MHASH *) ctx_ptr), http_etag_alloc_mhash_digest);
 			etag = http_etag_digest(mhash_digest, mhash_get_block_size(mode));
 			efree(mhash_digest);
+			/* avoid double free */
+			*((MHASH *) ctx_ptr) = NULL;
 		}
 		break;
 #endif
 	}
 	
+	http_etag_free(ctx_ptr);
+	
 	return etag;
 }
 
@@ -139,18 +198,29 @@ static inline void _http_etag_update(void *ctx, const char *data_ptr, size_t dat
 {
 	switch (INI_INT("http.etag_mode"))
 	{
+		case HTTP_ETAG_CRC32:
+		{
+			unsigned int i, c = *((unsigned int *) ctx);
+			
+			for (i = 0; i < data_len; ++i) {
+				c = CRC32(c, data_ptr[i]);
+			}
+			*((unsigned int *)ctx) = c;
+		}
+		break;
+		
 		case HTTP_ETAG_SHA1:
-			PHP_SHA1Update(ctx, data_ptr, data_len);
+			PHP_SHA1Update(ctx, (const unsigned char *) data_ptr, data_len);
 		break;
 		
 		case HTTP_ETAG_MD5:
-#ifndef HAVE_LIBMHASH
+#ifndef HTTP_HAVE_MHASH
 		default:
 #endif
-			PHP_MD5Update(ctx, data_ptr, data_len);
+			PHP_MD5Update(ctx, (const unsigned char *) data_ptr, data_len);
 		break;
 		
-#ifdef HAVE_LIBMHASH
+#ifdef HTTP_HAVE_MHASH
 		default:
 			mhash(ctx, data_ptr, data_len);
 		break;
@@ -158,6 +228,9 @@ static inline void _http_etag_update(void *ctx, const char *data_ptr, size_t dat
 	}
 }
 
+#define http_ob_etaghandler(o, l, ho, hl, m) _http_ob_etaghandler((o), (l), (ho), (hl), (m) TSRMLS_CC)
+extern void _http_ob_etaghandler(char *output, uint output_len, char **handled_output, uint *handled_output_len, int mode TSRMLS_DC);
+
 #define http_etag(p, l, m) _http_etag((p), (l), (m) TSRMLS_CC)
 PHP_HTTP_API char *_http_etag(const void *data_ptr, size_t data_len, http_send_mode data_mode TSRMLS_DC);
 
@@ -178,8 +251,10 @@ PHP_HTTP_API STATUS _http_cache_last_modified(time_t last_modified, time_t send_
 #define http_cache_etag(e, el, cc, ccl) _http_cache_etag((e), (el), (cc), (ccl) TSRMLS_CC)
 PHP_HTTP_API STATUS _http_cache_etag(const char *etag, size_t etag_len, const char *cache_control, size_t cc_len TSRMLS_DC);
 
-#define http_ob_etaghandler(o, l, ho, hl, m) _http_ob_etaghandler((o), (l), (ho), (hl), (m) TSRMLS_CC)
-PHP_HTTP_API void _http_ob_etaghandler(char *output, uint output_len, char **handled_output, uint *handled_output_len, int mode TSRMLS_DC);
+#define http_start_ob_etaghandler() _http_start_ob_etaghandler(TSRMLS_C)
+PHP_HTTP_API STATUS _http_start_ob_etaghandler(TSRMLS_D);
+#define http_interrupt_ob_etaghandler() _http_interrupt_ob_etaghandler(TSRMLS_C)
+PHP_HTTP_API zend_bool _http_interrupt_ob_etaghandler(TSRMLS_D);
 
 #endif