- add note about SSL connect errors on windows due to LIB/DLL mismatches

[m6w6/ext-http] / php_http_cache_api.h

diff --git a/php_http_cache_api.h b/php_http_cache_api.h
index d7e53b77b41bc5c073ae52e6ef3c66a750919387..f81f853aecbff935c2378905f0151850c1904871 100644 (file)
--- a/php_http_cache_api.h
+++ b/php_http_cache_api.h
@@ -22,6 +22,7 @@
 
 #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"
@@ -38,6 +39,7 @@ ZEND_EXTERN_MODULE_GLOBALS(http);
 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_mode;
@@ -71,10 +73,15 @@ 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;
@@ -98,41 +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 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 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;
 }
 
@@ -141,6 +198,17 @@ 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, (const unsigned char *) data_ptr, data_len);
                break;
@@ -160,6 +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);
 
@@ -180,8 +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