X-Git-Url: https://git.m6w6.name/?p=m6w6%2Fext-http;a=blobdiff_plain;f=php_http_cache_api.h;h=e6c0838c8cec6a62c2715b842588f1acf7194e50;hp=f92e30aac7c13075341afe95b59eb3a9fdaf8441;hb=a0bca521b491711e43aef74fe19c23a8eb4d0777;hpb=ab58ba30b72ffb197f5f2429540380cd96e2d315 diff --git a/php_http_cache_api.h b/php_http_cache_api.h index f92e30a..e6c0838 100644 --- a/php_http_cache_api.h +++ b/php_http_cache_api.h @@ -1,16 +1,13 @@ /* - +----------------------------------------------------------------------+ - | PECL :: http | - +----------------------------------------------------------------------+ - | This source file is subject to version 3.0 of the PHP license, that | - | is bundled with this package in the file LICENSE, and is available | - | through the world-wide-web at http://www.php.net/license/3_0.txt. | - | If you did not receive a copy of the PHP license and are unable to | - | obtain it through the world-wide-web, please send a note to | - | license@php.net so we can mail you a copy immediately. | - +----------------------------------------------------------------------+ - | Copyright (c) 2004-2005 Michael Wallner | - +----------------------------------------------------------------------+ + +--------------------------------------------------------------------+ + | PECL :: http | + +--------------------------------------------------------------------+ + | Redistribution and use in source and binary forms, with or without | + | modification, are permitted provided that the conditions mentioned | + | in the accompanying LICENSE file are met. | + +--------------------------------------------------------------------+ + | Copyright (c) 2004-2005, Michael Wallner | + +--------------------------------------------------------------------+ */ /* $Id$ */ @@ -22,25 +19,28 @@ #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 #endif ZEND_EXTERN_MODULE_GLOBALS(http); typedef enum { + HTTP_ETAG_CRC32 = -3, HTTP_ETAG_MD5 = -2, HTTP_ETAG_SHA1 = -1, - HTTP_ETAG_MHASH = 0, } http_etag_mode; -#ifdef HAVE_LIBMHASH +extern PHP_MINIT_FUNCTION(http_cache); + +#ifdef HTTP_HAVE_MHASH static void *http_etag_alloc_mhash_digest(size_t size) { return emalloc(size); @@ -69,22 +69,27 @@ 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(uint)); + *((uint *) 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, HTTP_E_RUNTIME, "Invalid ETag mode: %ld", mode); @@ -96,41 +101,91 @@ 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 (*((uint **) ctx_ptr)) { + efree(*((uint **) ctx_ptr)); + *((uint **) 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: + **((uint **) ctx_ptr) = ~**((uint **) ctx_ptr); + etag = http_etag_digest(*((const unsigned char **) ctx_ptr), sizeof(uint)); + 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 +194,29 @@ 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: + { + uint i, c = *((uint *) ctx); + + for (i = 0; i < data_len; ++i) { + c = CRC32(c, data_ptr[i]); + } + *((uint *)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 +224,9 @@ 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 +247,10 @@ 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