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-rw-r--r--ext/zlib/zlib.c1507
1 files changed, 628 insertions, 879 deletions
diff --git a/ext/zlib/zlib.c b/ext/zlib/zlib.c
index 69c05bb..13d5bea 100644
--- a/ext/zlib/zlib.c
+++ b/ext/zlib/zlib.c
@@ -16,201 +16,26 @@
| Stefan Röhrich <sr@linux.de> |
| Zeev Suraski <zeev@zend.com> |
| Jade Nicoletti <nicoletti@nns.ch> |
+ | Michael Wallner <mike@php.net> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
#ifdef HAVE_CONFIG_H
-#include "config.h"
+# include "config.h"
#endif
#include "php.h"
#include "SAPI.h"
#include "php_ini.h"
-
-#include <stdlib.h>
-#include <errno.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-
-#ifdef PHP_WIN32
-# define O_RDONLY _O_RDONLY
-# include "win32/param.h"
-#else
-# include <sys/param.h>
-/* #include <sys/uio.h> */
-#endif
-
-#include "ext/standard/head.h"
-#include "safe_mode.h"
-#include "ext/standard/php_standard.h"
#include "ext/standard/info.h"
-#include "php_zlib.h"
-#include "fopen_wrappers.h"
-
-#if HAVE_PWD_H
-# ifdef PHP_WIN32
-# include "win32/pwd.h"
-# else
-# include <pwd.h>
-# endif
-#endif
-
-#if defined(HAVE_UNISTD_H) && defined(PHP_WIN32)
-# undef HAVE_UNISTD_H
-#endif
-
-#ifdef COMPILE_DL_ZLIB
-# ifndef PUTS
-# define PUTS(a) php_printf("%s",a)
-# endif
-# ifndef PUTC
-# define PUTC(a) PUTS(a)
-# endif
-# ifndef PHPWRITE
-# define PHPWRITE(a,n) php_write((a),(n) TSRMLS_CC)
-# endif
-#endif
-
-/* Win32 needs some more memory */
-#ifdef PHP_WIN32
-# define PHP_ZLIB_MODIFIER 100
-#else
-# define PHP_ZLIB_MODIFIER 1000
-#endif
-
-#define OS_CODE 0x03 /* FIXME */
-#define GZIP_HEADER_LENGTH 10
-#define GZIP_FOOTER_LENGTH 8
-
-/* True globals, no need for thread safety */
-static const int gz_magic[2] = {0x1f, 0x8b}; /* gzip magic header */
-
-static int php_zlib_output_compression_start(TSRMLS_D);
-
-static PHP_MINIT_FUNCTION(zlib);
-static PHP_MSHUTDOWN_FUNCTION(zlib);
-static PHP_RINIT_FUNCTION(zlib);
-static PHP_MINFO_FUNCTION(zlib);
-static PHP_FUNCTION(gzopen);
-static PHP_FUNCTION(readgzfile);
-static PHP_FUNCTION(gzfile);
-static PHP_FUNCTION(gzcompress);
-static PHP_FUNCTION(gzuncompress);
-static PHP_FUNCTION(gzdeflate);
-static PHP_FUNCTION(gzinflate);
-static PHP_FUNCTION(gzencode);
-static PHP_FUNCTION(ob_gzhandler);
-static PHP_FUNCTION(zlib_get_coding_type);
-
-/* {{{ arginfo */
-ZEND_BEGIN_ARG_INFO_EX(arginfo_gzfile, 0, 0, 1)
- ZEND_ARG_INFO(0, filename)
- ZEND_ARG_INFO(0, use_include_path)
-ZEND_END_ARG_INFO()
-
-ZEND_BEGIN_ARG_INFO_EX(arginfo_gzopen, 0, 0, 2)
- ZEND_ARG_INFO(0, filename)
- ZEND_ARG_INFO(0, mode)
- ZEND_ARG_INFO(0, use_include_path)
-ZEND_END_ARG_INFO()
-
-ZEND_BEGIN_ARG_INFO_EX(arginfo_readgzfile, 0, 0, 1)
- ZEND_ARG_INFO(0, filename)
- ZEND_ARG_INFO(0, use_include_path)
-ZEND_END_ARG_INFO()
-
-ZEND_BEGIN_ARG_INFO_EX(arginfo_gzcompress, 0, 0, 1)
- ZEND_ARG_INFO(0, data)
- ZEND_ARG_INFO(0, level)
-ZEND_END_ARG_INFO()
-
-ZEND_BEGIN_ARG_INFO_EX(arginfo_gzuncompress, 0, 0, 1)
- ZEND_ARG_INFO(0, data)
- ZEND_ARG_INFO(0, length)
-ZEND_END_ARG_INFO()
+#include "ext/standard/file.h"
+#include "ext/standard/php_string.h"
-ZEND_BEGIN_ARG_INFO_EX(arginfo_gzdeflate, 0, 0, 1)
- ZEND_ARG_INFO(0, data)
- ZEND_ARG_INFO(0, level)
-ZEND_END_ARG_INFO()
-
-ZEND_BEGIN_ARG_INFO_EX(arginfo_gzinflate, 0, 0, 1)
- ZEND_ARG_INFO(0, data)
- ZEND_ARG_INFO(0, length)
-ZEND_END_ARG_INFO()
-
-ZEND_BEGIN_ARG_INFO(arginfo_zlib_get_coding_type, 0)
-ZEND_END_ARG_INFO()
-
-ZEND_BEGIN_ARG_INFO_EX(arginfo_gzencode, 0, 0, 1)
- ZEND_ARG_INFO(0, data)
- ZEND_ARG_INFO(0, level)
- ZEND_ARG_INFO(0, encoding_mode)
-ZEND_END_ARG_INFO()
-
-ZEND_BEGIN_ARG_INFO_EX(arginfo_ob_gzhandler, 0, 0, 2)
- ZEND_ARG_INFO(0, str)
- ZEND_ARG_INFO(0, mode)
-ZEND_END_ARG_INFO()
-/* }}} */
-
-/* {{{ php_zlib_functions[]
- */
-static const zend_function_entry php_zlib_functions[] = {
- PHP_FE(readgzfile, arginfo_readgzfile)
- PHP_FALIAS(gzrewind, rewind, NULL)
- PHP_FALIAS(gzclose, fclose, NULL)
- PHP_FALIAS(gzeof, feof, NULL)
- PHP_FALIAS(gzgetc, fgetc, NULL)
- PHP_FALIAS(gzgets, fgets, NULL)
- PHP_FALIAS(gzgetss, fgetss, NULL)
- PHP_FALIAS(gzread, fread, NULL)
- PHP_FE(gzopen, arginfo_gzopen)
- PHP_FALIAS(gzpassthru, fpassthru, NULL)
- PHP_FALIAS(gzseek, fseek, NULL)
- PHP_FALIAS(gztell, ftell, NULL)
- PHP_FALIAS(gzwrite, fwrite, NULL)
- PHP_FALIAS(gzputs, fwrite, NULL)
- PHP_FE(gzfile, arginfo_gzfile)
- PHP_FE(gzcompress, arginfo_gzcompress)
- PHP_FE(gzuncompress, arginfo_gzuncompress)
- PHP_FE(gzdeflate, arginfo_gzdeflate)
- PHP_FE(gzinflate, arginfo_gzinflate)
- PHP_FE(gzencode, arginfo_gzencode)
- PHP_FE(ob_gzhandler, arginfo_ob_gzhandler)
- PHP_FE(zlib_get_coding_type, arginfo_zlib_get_coding_type)
- {NULL, NULL, NULL}
-};
-/* }}} */
-
-ZEND_DECLARE_MODULE_GLOBALS(zlib)
-
-/* {{{ php_zlib_module_entry
- */
-zend_module_entry php_zlib_module_entry = {
- STANDARD_MODULE_HEADER,
- "zlib",
- php_zlib_functions,
- PHP_MINIT(zlib),
- PHP_MSHUTDOWN(zlib),
- PHP_RINIT(zlib),
- NULL,
- PHP_MINFO(zlib),
- "1.1",
- PHP_MODULE_GLOBALS(zlib),
- NULL,
- NULL,
- NULL,
- STANDARD_MODULE_PROPERTIES_EX
-};
-/* }}} */
+#include "php_zlib.h"
-#ifdef COMPILE_DL_ZLIB
-ZEND_GET_MODULE(php_zlib)
-#endif
+ZEND_DECLARE_MODULE_GLOBALS(zlib);
/* {{{ Memory management wrappers */
@@ -225,156 +50,403 @@ static void php_zlib_free(voidpf opaque, voidpf address)
}
/* }}} */
-/* {{{ OnUpdate_zlib_output_compression */
-static PHP_INI_MH(OnUpdate_zlib_output_compression)
+/* {{{ php_zlib_output_conflict_check() */
+static int php_zlib_output_conflict_check(zval *handler_name TSRMLS_DC)
{
- int status, int_value;
- char *ini_value;
-
- if (new_value == NULL) {
- return FAILURE;
+ if (php_output_get_level(TSRMLS_C) > 0) {
+ PHP_OUTPUT_CONFLICT(PHP_ZLIB_OUTPUT_HANDLER_NAME, return FAILURE);
+ PHP_OUTPUT_CONFLICT("ob_gzhandler", return FAILURE);
+ PHP_OUTPUT_CONFLICT("mb_output_handler", return FAILURE);
+ PHP_OUTPUT_CONFLICT("URL-Rewriter", return FAILURE);
}
+ return SUCCESS;
+}
+/* }}} */
- if (!strncasecmp(new_value, "off", sizeof("off"))) {
- new_value = "0";
- new_value_length = sizeof("0");
- } else if (!strncasecmp(new_value, "on", sizeof("on"))) {
- new_value = "1";
- new_value_length = sizeof("1");
- }
+/* {{{ php_zlib_output_encoding() */
+static int php_zlib_output_encoding(TSRMLS_D)
+{
+ zval **enc;
- int_value = zend_atoi(new_value, new_value_length);
- ini_value = zend_ini_string("output_handler", sizeof("output_handler"), 0);
+ if (!ZLIBG(compression_coding)) {
+ zend_is_auto_global(ZEND_STRL("_SERVER") TSRMLS_CC);
- if (ini_value && *ini_value && int_value) {
- php_error_docref("ref.outcontrol" TSRMLS_CC, E_CORE_ERROR, "Cannot use both zlib.output_compression and output_handler together!!");
- return FAILURE;
+ if (PG(http_globals)[TRACK_VARS_SERVER] && SUCCESS == zend_hash_find(Z_ARRVAL_P(PG(http_globals)[TRACK_VARS_SERVER]), "HTTP_ACCEPT_ENCODING", sizeof("HTTP_ACCEPT_ENCODING"), (void *) &enc)) {
+ convert_to_string(*enc);
+ if (strstr(Z_STRVAL_PP(enc), "gzip")) {
+ ZLIBG(compression_coding) = PHP_ZLIB_ENCODING_GZIP;
+ } else if (strstr(Z_STRVAL_PP(enc), "deflate")) {
+ ZLIBG(compression_coding) = PHP_ZLIB_ENCODING_DEFLATE;
+ }
+ }
}
+ return ZLIBG(compression_coding);
+}
+/* }}} */
- if (stage == PHP_INI_STAGE_RUNTIME && SG(headers_sent) && !SG(request_info).no_headers) {
- php_error_docref("ref.outcontrol" TSRMLS_CC, E_WARNING, "Cannot change zlib.output_compression - headers already sent");
+/* {{{ php_zlib_output_handler() */
+static int php_zlib_output_handler(void **handler_context, php_output_context *output_context)
+{
+ php_zlib_context *ctx = *(php_zlib_context **) handler_context;
+ int flags = Z_SYNC_FLUSH;
+ PHP_OUTPUT_TSRMLS(output_context);
+
+ if (!php_zlib_output_encoding(TSRMLS_C)) {
+ /* "Vary: Accept-Encoding" header sent along uncompressed content breaks caching in MSIE,
+ so let's just send it with successfully compressed content or unless the complete
+ buffer gets discarded, see http://bugs.php.net/40325;
+
+ Test as follows:
+ Test as follows:
+ +Vary: $ HTTP_ACCEPT_ENCODING=gzip ./sapi/cgi/php <<<'<?php ob_start("ob_gzhandler"); echo "foo\n";'
+ +Vary: $ HTTP_ACCEPT_ENCODING= ./sapi/cgi/php <<<'<?php ob_start("ob_gzhandler"); echo "foo\n";'
+ -Vary: $ HTTP_ACCEPT_ENCODING=gzip ./sapi/cgi/php <<<'<?php ob_start("ob_gzhandler"); echo "foo\n"; ob_end_clean();'
+ -Vary: $ HTTP_ACCEPT_ENCODING= ./sapi/cgi/php <<<'<?php ob_start("ob_gzhandler"); echo "foo\n"; ob_end_clean();'
+ */
+ if (output_context->op != (PHP_OUTPUT_HANDLER_START|PHP_OUTPUT_HANDLER_CLEAN|PHP_OUTPUT_HANDLER_FINAL)) {
+ sapi_add_header_ex(ZEND_STRL("Vary: Accept-Encoding"), 1, 0 TSRMLS_CC);
+ }
return FAILURE;
}
- status = OnUpdateLong(entry, new_value, new_value_length, mh_arg1, mh_arg2, mh_arg3, stage TSRMLS_CC);
-
- if (stage == PHP_INI_STAGE_RUNTIME && int_value) {
- status = php_zlib_output_compression_start(TSRMLS_C);
+ if (output_context->op & PHP_OUTPUT_HANDLER_START) {
+ /* start up */
+ if (Z_OK != deflateInit2(&ctx->Z, ZLIBG(output_compression_level), Z_DEFLATED, ZLIBG(compression_coding), MAX_MEM_LEVEL, Z_DEFAULT_STRATEGY)) {
+ return FAILURE;
+ }
}
- return status;
+ if (output_context->op & PHP_OUTPUT_HANDLER_CLEAN) {
+ /* free buffers */
+ deflateEnd(&ctx->Z);
+
+ if (output_context->op & PHP_OUTPUT_HANDLER_FINAL) {
+ /* discard */
+ return SUCCESS;
+ } else {
+ /* restart */
+ if (Z_OK != deflateInit2(&ctx->Z, ZLIBG(output_compression_level), Z_DEFLATED, ZLIBG(compression_coding), MAX_MEM_LEVEL, Z_DEFAULT_STRATEGY)) {
+ return FAILURE;
+ }
+ ctx->buffer.used = 0;
+ }
+ } else {
+ if (output_context->in.used) {
+ /* append input */
+ if (ctx->buffer.free < output_context->in.used) {
+ if (!(ctx->buffer.aptr = erealloc_recoverable(ctx->buffer.data, ctx->buffer.used + ctx->buffer.free + output_context->in.used))) {
+ deflateEnd(&ctx->Z);
+ return FAILURE;
+ }
+ ctx->buffer.data = ctx->buffer.aptr;
+ ctx->buffer.free += output_context->in.used;
+ }
+ memcpy(ctx->buffer.data + ctx->buffer.used, output_context->in.data, output_context->in.used);
+ ctx->buffer.free -= output_context->in.used;
+ ctx->buffer.used += output_context->in.used;
+ }
+ output_context->out.size = PHP_ZLIB_BUFFER_SIZE_GUESS(output_context->in.used);
+ output_context->out.data = emalloc(output_context->out.size);
+ output_context->out.free = 1;
+ output_context->out.used = 0;
+
+ ctx->Z.avail_in = ctx->buffer.used;
+ ctx->Z.next_in = (Bytef *) ctx->buffer.data;
+ ctx->Z.avail_out = output_context->out.size;
+ ctx->Z.next_out = (Bytef *) output_context->out.data;
+
+ if (output_context->op & PHP_OUTPUT_HANDLER_FINAL) {
+ flags = Z_FINISH;
+ } else if (output_context->op & PHP_OUTPUT_HANDLER_FLUSH) {
+ flags = Z_FULL_FLUSH;
+ }
+
+ switch (deflate(&ctx->Z, flags)) {
+ case Z_OK:
+ if (flags == Z_FINISH) {
+ deflateEnd(&ctx->Z);
+ return FAILURE;
+ }
+ case Z_STREAM_END:
+ if (ctx->Z.avail_in) {
+ memmove(ctx->buffer.data, ctx->buffer.data + ctx->buffer.used - ctx->Z.avail_in, ctx->Z.avail_in);
+ }
+ ctx->buffer.free += ctx->buffer.used - ctx->Z.avail_in;
+ ctx->buffer.used = ctx->Z.avail_in;
+ output_context->out.used = output_context->out.size - ctx->Z.avail_out;
+ break;
+ default:
+ deflateEnd(&ctx->Z);
+ return FAILURE;
+ }
+
+ php_output_handler_hook(PHP_OUTPUT_HANDLER_HOOK_GET_FLAGS, &flags TSRMLS_CC);
+
+ if (!(flags & PHP_OUTPUT_HANDLER_STARTED)) {
+ if (SG(headers_sent) || !ZLIBG(output_compression)) {
+ deflateEnd(&ctx->Z);
+ return FAILURE;
+ }
+ switch (ZLIBG(compression_coding)) {
+ case PHP_ZLIB_ENCODING_GZIP:
+ sapi_add_header_ex(ZEND_STRL("Content-Encoding: gzip"), 1, 1 TSRMLS_CC);
+ break;
+ case PHP_ZLIB_ENCODING_DEFLATE:
+ sapi_add_header_ex(ZEND_STRL("Content-Encoding: deflate"), 1, 1 TSRMLS_CC);
+ break;
+ default:
+ deflateEnd(&ctx->Z);
+ return FAILURE;
+ }
+ sapi_add_header_ex(ZEND_STRL("Vary: Accept-Encoding"), 1, 1 TSRMLS_CC);
+ php_output_handler_hook(PHP_OUTPUT_HANDLER_HOOK_IMMUTABLE, NULL TSRMLS_CC);
+ }
+
+ if (output_context->op & PHP_OUTPUT_HANDLER_FINAL) {
+ deflateEnd(&ctx->Z);
+ }
+ }
+ return SUCCESS;
}
/* }}} */
-/* {{{ OnUpdate_zlib_output_compression_level */
-static PHP_INI_MH(OnUpdate_zlib_output_compression_level)
+/* {{{ php_zlib_output_handler_dtor() */
+static void php_zlib_output_handler_dtor(void *opaq TSRMLS_DC)
{
- OnUpdateLong(entry, new_value, new_value_length, mh_arg1, mh_arg2, mh_arg3, stage TSRMLS_CC);
+ php_zlib_context *ctx = (php_zlib_context *) opaq;
- return SUCCESS;
+ if (ctx) {
+ if (ctx->buffer.data) {
+ efree(ctx->buffer.data);
+ }
+ efree(ctx);
+ }
}
/* }}} */
-/* {{{ OnUpdate_zlib_output_handler */
-static PHP_INI_MH(OnUpdate_zlib_output_handler)
+/* {{{ php_zlib_output_handler_init() */
+static php_output_handler *php_zlib_output_handler_init(zval *handler_name, size_t chunk_size, int flags TSRMLS_DC)
{
- if (stage == PHP_INI_STAGE_RUNTIME && SG(headers_sent) && !SG(request_info).no_headers) {
- php_error_docref("ref.outcontrol" TSRMLS_CC, E_WARNING, "Cannot change zlib.output_handler - headers already sent");
- return FAILURE;
- }
+ php_output_handler *h = NULL;
+ php_zlib_context *ctx;
- OnUpdateString(entry, new_value, new_value_length, mh_arg1, mh_arg2, mh_arg3, stage TSRMLS_CC);
+ if (!ZLIBG(output_compression)) {
+ ZLIBG(output_compression) = chunk_size ? chunk_size : PHP_OUTPUT_HANDLER_DEFAULT_SIZE;
+ }
+ if ((h = php_output_handler_create_internal(handler_name, php_zlib_output_handler, chunk_size, flags TSRMLS_CC))) {
+ ctx = (php_zlib_context *) ecalloc(1, sizeof(php_zlib_context));
+ ctx->Z.zalloc = php_zlib_alloc;
+ ctx->Z.zfree = php_zlib_free;
+ php_output_handler_set_context(h, ctx, php_zlib_output_handler_dtor TSRMLS_CC);
+ }
- return SUCCESS;
+ return h;
}
/* }}} */
+/* {{{ php_zlib_output_compression_start() */
+static void php_zlib_output_compression_start(TSRMLS_D)
+{
+ zval *zoh, *tmp;
+ php_output_handler *h;
-PHP_INI_BEGIN()
- STD_PHP_INI_BOOLEAN("zlib.output_compression", "0", PHP_INI_ALL, OnUpdate_zlib_output_compression, output_compression, zend_zlib_globals, zlib_globals)
- STD_PHP_INI_ENTRY("zlib.output_compression_level", "-1", PHP_INI_ALL, OnUpdate_zlib_output_compression_level, output_compression_level, zend_zlib_globals, zlib_globals)
- STD_PHP_INI_ENTRY("zlib.output_handler", "", PHP_INI_ALL, OnUpdate_zlib_output_handler, output_handler, zend_zlib_globals, zlib_globals)
-PHP_INI_END()
+ switch (ZLIBG(output_compression)) {
+ case 0:
+ break;
+ case 1:
+ ZLIBG(output_compression) = PHP_OUTPUT_HANDLER_DEFAULT_SIZE;
+ /* break omitted intentionally */
+ default:
+ MAKE_STD_ZVAL(tmp);
+ ZVAL_STRING(tmp, PHP_ZLIB_OUTPUT_HANDLER_NAME, 1);
+ if ( (h = php_zlib_output_handler_init(tmp, ZLIBG(output_compression), PHP_OUTPUT_HANDLER_STDFLAGS TSRMLS_CC)) &&
+ (SUCCESS == php_output_handler_start(h TSRMLS_CC))) {
+ if (ZLIBG(output_handler) && *ZLIBG(output_handler)) {
+ MAKE_STD_ZVAL(zoh);
+ ZVAL_STRING(zoh, ZLIBG(output_handler), 1);
+ php_output_start_user(zoh, ZLIBG(output_compression), PHP_OUTPUT_HANDLER_STDFLAGS TSRMLS_CC);
+ zval_ptr_dtor(&zoh);
+ }
+ }
+ zval_ptr_dtor(&tmp);
+ break;
+ }
+}
+/* }}} */
-/* {{{ PHP_MINIT_FUNCTION
- */
-static PHP_MINIT_FUNCTION(zlib)
+/* {{{ php_zlib_encode() */
+static int php_zlib_encode(const char *in_buf, size_t in_len, char **out_buf, size_t *out_len, int encoding, int level TSRMLS_DC)
{
- php_register_url_stream_wrapper("compress.zlib", &php_stream_gzip_wrapper TSRMLS_CC);
- php_stream_filter_register_factory("zlib.*", &php_zlib_filter_factory TSRMLS_CC);
+ int status;
+ z_stream Z;
- REGISTER_LONG_CONSTANT("FORCE_GZIP", CODING_GZIP, CONST_CS | CONST_PERSISTENT);
- REGISTER_LONG_CONSTANT("FORCE_DEFLATE", CODING_DEFLATE, CONST_CS | CONST_PERSISTENT);
+ memset(&Z, 0, sizeof(z_stream));
+ Z.zalloc = php_zlib_alloc;
+ Z.zfree = php_zlib_free;
- REGISTER_INI_ENTRIES();
+ if (Z_OK == (status = deflateInit2(&Z, level, Z_DEFLATED, encoding, MAX_MEM_LEVEL, Z_DEFAULT_STRATEGY))) {
+ *out_len = PHP_ZLIB_BUFFER_SIZE_GUESS(in_len);
+ *out_buf = emalloc(*out_len);
- return SUCCESS;
+ Z.next_in = (Bytef *) in_buf;
+ Z.next_out = (Bytef *) *out_buf;
+ Z.avail_in = in_len;
+ Z.avail_out = *out_len;
+
+ status = deflate(&Z, Z_FINISH);
+ deflateEnd(&Z);
+
+ if (Z_STREAM_END == status) {
+ /* size buffer down to actual length */
+ *out_buf = erealloc(*out_buf, Z.total_out + 1);
+ (*out_buf)[*out_len = Z.total_out] = '\0';
+ return SUCCESS;
+ } else {
+ efree(*out_buf);
+ }
+ }
+
+ *out_buf = NULL;
+ *out_len = 0;
+
+ php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s", zError(status));
+ return FAILURE;
}
/* }}} */
-/* {{{ PHP_RINIT_FUNCTION
- */
-static PHP_RINIT_FUNCTION(zlib)
+/* {{{ php_zlib_inflate_rounds() */
+static inline int php_zlib_inflate_rounds(z_stream *Z, size_t max, char **buf, size_t *len)
{
- ZLIBG(ob_gzhandler_status) = 0;
- ZLIBG(compression_coding) = 0;
+ int status, round = 0;
+ php_zlib_buffer buffer = {NULL, NULL, 0, 0, 0};
- php_zlib_output_compression_start(TSRMLS_C);
+ *buf = NULL;
+ *len = 0;
- return SUCCESS;
+ buffer.size = (max && (max < Z->avail_in)) ? max : Z->avail_in;
+
+ do {
+ if ((max && (max <= buffer.used)) || !(buffer.aptr = erealloc_recoverable(buffer.data, buffer.size))) {
+ status = Z_MEM_ERROR;
+ } else {
+ buffer.data = buffer.aptr;
+ Z->avail_out = buffer.free = buffer.size - buffer.used;
+ Z->next_out = (Bytef *) buffer.data + buffer.used;
+#if 0
+ fprintf(stderr, "\n%3d: %3d PRIOR: size=%7lu,\tfree=%7lu,\tused=%7lu,\tavail_in=%7lu,\tavail_out=%7lu\n", round, status, buffer.size, buffer.free, buffer.used, Z->avail_in, Z->avail_out);
+#endif
+ status = inflate(Z, Z_NO_FLUSH);
+
+ buffer.used += buffer.free - Z->avail_out;
+ buffer.free = Z->avail_out;
+#if 0
+ fprintf(stderr, "%3d: %3d AFTER: size=%7lu,\tfree=%7lu,\tused=%7lu,\tavail_in=%7lu,\tavail_out=%7lu\n", round, status, buffer.size, buffer.free, buffer.used, Z->avail_in, Z->avail_out);
+#endif
+ buffer.size += (buffer.size >> 3) + 1;
+ }
+ } while ((Z_BUF_ERROR == status || (Z_OK == status && Z->avail_in)) && ++round < 100);
+
+ if (status == Z_STREAM_END) {
+ buffer.data = erealloc(buffer.data, buffer.used + 1);
+ buffer.data[buffer.used] = '\0';
+ *buf = buffer.data;
+ *len = buffer.used;
+ } else {
+ if (buffer.data) {
+ efree(buffer.data);
+ }
+ /* HACK: See zlib/examples/zpipe.c inf() function for explanation. */
+ /* This works as long as this function is not used for streaming. Required to catch very short invalid data. */
+ status = (status == Z_OK) ? Z_DATA_ERROR : status;
+ }
+ return status;
}
/* }}} */
-/* {{{ PHP_MSHUTDOWN_FUNCTION
- */
-static PHP_MSHUTDOWN_FUNCTION(zlib)
+/* {{{ php_zlib_decode() */
+static int php_zlib_decode(const char *in_buf, size_t in_len, char **out_buf, size_t *out_len, int encoding, size_t max_len TSRMLS_DC)
{
- php_unregister_url_stream_wrapper("zlib" TSRMLS_CC);
- php_stream_filter_unregister_factory("zlib.*" TSRMLS_CC);
+ int status = Z_DATA_ERROR;
+ z_stream Z;
+
+ memset(&Z, 0, sizeof(z_stream));
+ Z.zalloc = php_zlib_alloc;
+ Z.zfree = php_zlib_free;
+
+ if (in_len) {
+retry_raw_inflate:
+ status = inflateInit2(&Z, encoding);
+ if (Z_OK == status) {
+ Z.next_in = (Bytef *) in_buf;
+ Z.avail_in = in_len;
+
+ switch (status = php_zlib_inflate_rounds(&Z, max_len, out_buf, out_len)) {
+ case Z_STREAM_END:
+ inflateEnd(&Z);
+ return SUCCESS;
+
+ case Z_DATA_ERROR:
+ /* raw deflated data? */
+ if (PHP_ZLIB_ENCODING_ANY == encoding) {
+ inflateEnd(&Z);
+ encoding = PHP_ZLIB_ENCODING_RAW;
+ goto retry_raw_inflate;
+ }
+ }
+ inflateEnd(&Z);
+ }
+ }
- UNREGISTER_INI_ENTRIES();
+ *out_buf = NULL;
+ *out_len = 0;
- return SUCCESS;
+ php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s", zError(status));
+ return FAILURE;
}
/* }}} */
-/* {{{ PHP_MINFO_FUNCTION
- */
-static PHP_MINFO_FUNCTION(zlib)
+/* {{{ proto string zlib_get_coding_type(void)
+ Returns the coding type used for output compression */
+static PHP_FUNCTION(zlib_get_coding_type)
{
- php_info_print_table_start();
- php_info_print_table_row(2, "ZLib Support", "enabled");
- php_info_print_table_row(2, "Stream Wrapper support", "compress.zlib://");
- php_info_print_table_row(2, "Stream Filter support", "zlib.inflate, zlib.deflate");
- php_info_print_table_row(2, "Compiled Version", ZLIB_VERSION);
- php_info_print_table_row(2, "Linked Version", (char *) zlibVersion());
- php_info_print_table_end();
-
- DISPLAY_INI_ENTRIES();
+ if (zend_parse_parameters_none() == FAILURE) {
+ return;
+ }
+ switch (ZLIBG(compression_coding)) {
+ case PHP_ZLIB_ENCODING_GZIP:
+ RETURN_STRINGL("gzip", sizeof("gzip") - 1, 1);
+ case PHP_ZLIB_ENCODING_DEFLATE:
+ RETURN_STRINGL("deflate", sizeof("deflate") - 1, 1);
+ default:
+ RETURN_FALSE;
+ }
}
/* }}} */
/* {{{ proto array gzfile(string filename [, int use_include_path])
- Read und uncompress entire .gz-file into an array */
+ Read and uncompress entire .gz-file into an array */
static PHP_FUNCTION(gzfile)
{
char *filename;
int filename_len;
- long flags = 0;
- char *slashed, buf[8192];
+ int flags = REPORT_ERRORS;
+ char *slashed, buf[8192] = {0};
register int i = 0;
- int use_include_path = 0;
+ long use_include_path = 0;
php_stream *stream;
- if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|l", &filename, &filename_len, &flags) == FAILURE) {
+ if (SUCCESS != zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|l", &filename, &filename_len, &use_include_path)) {
return;
}
- use_include_path = flags ? USE_PATH : 0;
+ if (use_include_path) {
+ flags |= USE_PATH;
+ }
/* using a stream here is a bit more efficient (resource wise) than php_gzopen_wrapper */
- stream = php_stream_gzopen(NULL, filename, "rb", use_include_path | ENFORCE_SAFE_MODE | REPORT_ERRORS, NULL, NULL STREAMS_CC TSRMLS_CC);
- if (stream == NULL) {
+ stream = php_stream_gzopen(NULL, filename, "rb", flags, NULL, NULL STREAMS_CC TSRMLS_CC);
+
+ if (!stream) {
/* Error reporting is already done by stream code */
RETURN_FALSE;
}
@@ -383,12 +455,12 @@ static PHP_FUNCTION(gzfile)
array_init(return_value);
/* Now loop through the file and do the magic quotes thing if needed */
- memset(buf,0,sizeof(buf));
-
+ memset(buf, 0, sizeof(buf));
+
while (php_stream_gets(stream, buf, sizeof(buf) - 1) != NULL) {
if (PG(magic_quotes_runtime)) {
int len;
-
+
slashed = php_addslashes(buf, 0, &len, 0 TSRMLS_CC); /* 0 = don't free source string */
add_index_stringl(return_value, i++, slashed, len, 0);
} else {
@@ -403,19 +475,22 @@ static PHP_FUNCTION(gzfile)
Open a .gz-file and return a .gz-file pointer */
static PHP_FUNCTION(gzopen)
{
- char *filename, *mode;
+ char *filename;
+ char *mode;
int filename_len, mode_len;
- long flags = 0;
+ int flags = REPORT_ERRORS;
php_stream *stream;
- int use_include_path = 0;
+ long use_include_path = 0;
- if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ss|l", &filename, &filename_len, &mode, &mode_len, &flags) == FAILURE) {
+ if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ss|l", &filename, &filename_len, &mode, &mode_len, &use_include_path) == FAILURE) {
return;
}
- use_include_path = flags ? USE_PATH : 0;
+ if (use_include_path) {
+ flags |= USE_PATH;
+ }
- stream = php_stream_gzopen(NULL, filename, mode, use_include_path | ENFORCE_SAFE_MODE | REPORT_ERRORS, NULL, NULL STREAMS_CC TSRMLS_CC);
+ stream = php_stream_gzopen(NULL, filename, mode, flags, NULL, NULL STREAMS_CC TSRMLS_CC);
if (!stream) {
RETURN_FALSE;
@@ -424,27 +499,27 @@ static PHP_FUNCTION(gzopen)
}
/* }}} */
-/*
- * Read a file and write the ouput to stdout
- */
/* {{{ proto int readgzfile(string filename [, int use_include_path])
Output a .gz-file */
static PHP_FUNCTION(readgzfile)
{
char *filename;
int filename_len;
- long flags = 0;
+ int flags = REPORT_ERRORS;
php_stream *stream;
int size;
- int use_include_path = 0;
+ long use_include_path = 0;
- if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|l", &filename, &filename_len, &flags) == FAILURE) {
+ if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|l", &filename, &filename_len, &use_include_path) == FAILURE) {
return;
}
- use_include_path = flags ? USE_PATH : 0;
+ if (use_include_path) {
+ flags |= USE_PATH;
+ }
+
+ stream = php_stream_gzopen(NULL, filename, "rb", flags, NULL, NULL STREAMS_CC TSRMLS_CC);
- stream = php_stream_gzopen(NULL, filename, "rb", use_include_path | ENFORCE_SAFE_MODE, NULL, NULL STREAMS_CC TSRMLS_CC);
if (!stream) {
RETURN_FALSE;
}
@@ -454,676 +529,350 @@ static PHP_FUNCTION(readgzfile)
}
/* }}} */
-/* {{{ proto string gzcompress(string data [, int level])
- Gzip-compress a string */
-static PHP_FUNCTION(gzcompress)
-{
- int data_len, status;
- long level = Z_DEFAULT_COMPRESSION;
- unsigned long l2;
- char *data, *s2;
-
- if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|l", &data, &data_len, &level) == FAILURE) {
- return;
- }
-
- if ((level < -1) || (level > 9)) {
- php_error_docref(NULL TSRMLS_CC, E_WARNING, "compression level (%ld) must be within -1..9", level);
- RETURN_FALSE;
- }
-
- l2 = data_len + (data_len / PHP_ZLIB_MODIFIER) + 15 + 1; /* room for \0 */
- s2 = (char *) emalloc(l2);
- if (!s2) {
- RETURN_FALSE;
- }
-
- if (level >= 0) {
- status = compress2(s2, &l2, data, data_len, level);
- } else {
- status = compress(s2, &l2, data, data_len);
- }
-
- if (status == Z_OK) {
- s2 = erealloc(s2, l2 + 1);
- s2[l2] = '\0';
- RETURN_STRINGL(s2, l2, 0);
- } else {
- efree(s2);
- php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s", zError(status));
- RETURN_FALSE;
- }
+#define PHP_ZLIB_ENCODE_FUNC(name, default_encoding) \
+static PHP_FUNCTION(name) \
+{ \
+ char *in_buf, *out_buf; \
+ int in_len; \
+ size_t out_len; \
+ long level = -1; \
+ long encoding = default_encoding; \
+ if (default_encoding) { \
+ if (SUCCESS != zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|ll", &in_buf, &in_len, &level, &encoding)) { \
+ return; \
+ } \
+ } else { \
+ if (SUCCESS != zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "sl|l", &in_buf, &in_len, &encoding, &level)) { \
+ return; \
+ } \
+ } \
+ if (level < -1 || level > 9) { \
+ php_error_docref(NULL TSRMLS_CC, E_WARNING, "compression level (%ld) must be within -1..9", level); \
+ RETURN_FALSE; \
+ } \
+ switch (encoding) { \
+ case PHP_ZLIB_ENCODING_RAW: \
+ case PHP_ZLIB_ENCODING_GZIP: \
+ case PHP_ZLIB_ENCODING_DEFLATE: \
+ break; \
+ default: \
+ php_error_docref(NULL TSRMLS_CC, E_WARNING, "encoding mode must be either ZLIB_ENCODING_RAW, ZLIB_ENCODING_GZIP or ZLIB_ENCODING_DEFLATE"); \
+ RETURN_FALSE; \
+ } \
+ if (SUCCESS != php_zlib_encode(in_buf, in_len, &out_buf, &out_len, encoding, level TSRMLS_CC)) { \
+ RETURN_FALSE; \
+ } \
+ RETURN_STRINGL(out_buf, out_len, 0); \
}
-/* }}} */
-
-/* {{{ proto string gzuncompress(string data [, int length])
- Unzip a gzip-compressed string */
-static PHP_FUNCTION(gzuncompress)
-{
- int data_len, status;
- unsigned int factor=1, maxfactor=16;
- long limit = 0;
- unsigned long plength=0, length;
- char *data, *s1=NULL, *s2=NULL;
-
- if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|l", &data, &data_len, &limit) == FAILURE) {
- return;
- }
- if (limit < 0) {
- php_error_docref(NULL TSRMLS_CC, E_WARNING, "length (%ld) must be greater or equal zero", limit);
- RETURN_FALSE;
- }
- plength = limit;
-
- /*
- zlib::uncompress() wants to know the output data length
- if none was given as a parameter
- we try from input length * 2 up to input length * 2^15
- doubling it whenever it wasn't big enough
- that should be eneugh for all real life cases
- */
- do {
- length = plength ? plength : (unsigned long)data_len * (1 << factor++);
- s2 = (char *) erealloc(s1, length);
- status = uncompress(s2, &length, data, data_len);
- s1 = s2;
- } while ((status == Z_BUF_ERROR) && (!plength) && (factor < maxfactor));
-
- if (status == Z_OK) {
- s2 = erealloc(s2, length + 1); /* space for \0 */
- s2[ length ] = '\0';
- RETURN_STRINGL(s2, length, 0);
- } else {
- efree(s2);
- php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s", zError(status));
- RETURN_FALSE;
- }
+#define PHP_ZLIB_DECODE_FUNC(name, encoding) \
+static PHP_FUNCTION(name) \
+{ \
+ char *in_buf, *out_buf; \
+ int in_len; \
+ size_t out_len; \
+ long max_len = 0; \
+ if (SUCCESS != zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|l", &in_buf, &in_len, &max_len)) { \
+ return; \
+ } \
+ if (max_len < 0) { \
+ php_error_docref(NULL TSRMLS_CC, E_WARNING, "length (%ld) must be greater or equal zero", max_len); \
+ RETURN_FALSE; \
+ } \
+ if (SUCCESS != php_zlib_decode(in_buf, in_len, &out_buf, &out_len, encoding, max_len TSRMLS_CC)) { \
+ RETURN_FALSE; \
+ } \
+ RETURN_STRINGL(out_buf, out_len, 0); \
}
-/* }}} */
-
-/* {{{ proto string gzdeflate(string data [, int level])
- Gzip-compress a string */
-static PHP_FUNCTION(gzdeflate)
-{
- int data_len,status;
- long level = Z_DEFAULT_COMPRESSION;
- z_stream stream;
- char *data, *s2;
- if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|l", &data, &data_len, &level) == FAILURE) {
- return;
- }
-
- if ((level < -1) || (level > 9)) {
- php_error_docref(NULL TSRMLS_CC, E_WARNING, "compression level (%ld) must be within -1..9", level);
- RETURN_FALSE;
- }
+/* {{{ proto binary zlib_encode(binary data, int encoding[, int level = -1])
+ Compress data with the specified encoding */
+PHP_ZLIB_ENCODE_FUNC(zlib_encode, 0);
+/* }}} */
- stream.data_type = Z_ASCII;
- stream.zalloc = php_zlib_alloc;
- stream.zfree = php_zlib_free;
- stream.opaque = (voidpf) Z_NULL;
+/* {{{ proto binary zlib_decode(binary data[, int max_decoded_len])
+ Uncompress any raw/gzip/zlib encoded data */
+PHP_ZLIB_DECODE_FUNC(zlib_decode, PHP_ZLIB_ENCODING_ANY);
+/* }}} */
- stream.next_in = (Bytef *) data;
- stream.avail_in = data_len;
+/* NOTE: The naming of these userland functions was quite unlucky */
- stream.avail_out = stream.avail_in + (stream.avail_in / PHP_ZLIB_MODIFIER) + 15 + 1; /* room for \0 */
+/* {{{ proto binary gzdeflate(binary data[, int level = -1[, int encoding = ZLIB_ENCODING_RAW])
+ Encode data with the raw deflate encoding */
+PHP_ZLIB_ENCODE_FUNC(gzdeflate, PHP_ZLIB_ENCODING_RAW);
+/* }}} */
+/* {{{ proto binary gzencode(binary data[, int level = -1[, int encoding = ZLIB_ENCODING_GZIP])
+ Encode data with the gzip encoding */
+PHP_ZLIB_ENCODE_FUNC(gzencode, PHP_ZLIB_ENCODING_GZIP);
+/* }}} */
+/* {{{ proto binary gzcompress(binary data[, int level = -1[, int encoding = ZLIB_ENCODING_DEFLATE])
+ Encode data with the zlib encoding */
+PHP_ZLIB_ENCODE_FUNC(gzcompress, PHP_ZLIB_ENCODING_DEFLATE);
+/* }}} */
+/* {{{ proto binary gzinflate(binary data[, int max_decoded_len])
+ Decode raw deflate encoded data */
+PHP_ZLIB_DECODE_FUNC(gzinflate, PHP_ZLIB_ENCODING_RAW);
+/* }}} */
+/* {{{ proto binary gzdecode(binary data[, int max_decoded_len])
+ Decode gzip encoded data */
+PHP_ZLIB_DECODE_FUNC(gzdecode, PHP_ZLIB_ENCODING_GZIP);
+/* }}} */
+/* {{{ proto binary gzuncompress(binary data[, int max_decoded_len])
+ Decode zlib encoded data */
+PHP_ZLIB_DECODE_FUNC(gzuncompress, PHP_ZLIB_ENCODING_DEFLATE);
+/* }}} */
- s2 = (char *) emalloc(stream.avail_out);
- if (!s2) {
- RETURN_FALSE;
- }
+#ifdef COMPILE_DL_ZLIB
+ZEND_GET_MODULE(php_zlib)
+#endif
- stream.next_out = s2;
+/* {{{ arginfo */
+ZEND_BEGIN_ARG_INFO(arginfo_zlib_get_coding_type, 0)
+ZEND_END_ARG_INFO()
- /* init with -MAX_WBITS disables the zlib internal headers */
- status = deflateInit2(&stream, level, Z_DEFLATED, -MAX_WBITS, MAX_MEM_LEVEL, 0);
- if (status == Z_OK) {
- status = deflate(&stream, Z_FINISH);
- if (status != Z_STREAM_END) {
- deflateEnd(&stream);
- if (status == Z_OK) {
- status = Z_BUF_ERROR;
- }
- } else {
- status = deflateEnd(&stream);
- }
- }
+ZEND_BEGIN_ARG_INFO_EX(arginfo_gzfile, 0, 0, 1)
+ ZEND_ARG_INFO(0, filename)
+ ZEND_ARG_INFO(0, use_include_path)
+ZEND_END_ARG_INFO()
- if (status == Z_OK) {
- s2 = erealloc(s2,stream.total_out + 1); /* resize to buffer to the "right" size */
- s2[ stream.total_out ] = '\0';
- RETURN_STRINGL(s2, stream.total_out, 0);
- } else {
- efree(s2);
- php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s", zError(status));
- RETURN_FALSE;
- }
-}
-/* }}} */
+ZEND_BEGIN_ARG_INFO_EX(arginfo_gzopen, 0, 0, 2)
+ ZEND_ARG_INFO(0, filename)
+ ZEND_ARG_INFO(0, mode)
+ ZEND_ARG_INFO(0, use_include_path)
+ZEND_END_ARG_INFO()
-/* {{{ proto string gzinflate(string data [, int length])
- Unzip a gzip-compressed string */
-static PHP_FUNCTION(gzinflate)
-{
- int data_len, status;
- unsigned int factor=1, maxfactor=16;
- long limit = 0;
- unsigned long plength=0, length;
- char *data, *s1=NULL, *s2=NULL;
- z_stream stream;
-
- if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|l", &data, &data_len, &limit) == FAILURE) {
- return;
- }
+ZEND_BEGIN_ARG_INFO_EX(arginfo_readgzfile, 0, 0, 1)
+ ZEND_ARG_INFO(0, filename)
+ ZEND_ARG_INFO(0, use_include_path)
+ZEND_END_ARG_INFO()
- if (!data_len) {
- RETURN_FALSE;
- }
+ZEND_BEGIN_ARG_INFO_EX(arginfo_zlib_encode, 0, 0, 2)
+ ZEND_ARG_INFO(0, data)
+ ZEND_ARG_INFO(0, encoding)
+ ZEND_ARG_INFO(0, level)
+ZEND_END_ARG_INFO()
- if (limit < 0) {
- php_error_docref(NULL TSRMLS_CC, E_WARNING, "length (%ld) must be greater or equal zero", limit);
- RETURN_FALSE;
- }
- plength = limit;
-
- stream.zalloc = php_zlib_alloc;
- stream.zfree = php_zlib_free;
- stream.opaque = Z_NULL;
- stream.avail_in = data_len + 1; /* there is room for \0 */
- stream.next_in = (Bytef *) data;
- stream.total_out = 0;
-
- /* init with -MAX_WBITS disables the zlib internal headers */
- status = inflateInit2(&stream, -MAX_WBITS);
- if (status != Z_OK) {
- php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s", zError(status));
- RETURN_FALSE;
- }
+ZEND_BEGIN_ARG_INFO_EX(arginfo_zlib_decode, 0, 0, 1)
+ ZEND_ARG_INFO(0, data)
+ ZEND_ARG_INFO(0, max_decoded_len)
+ZEND_END_ARG_INFO()
- /*
- stream.avail_out wants to know the output data length
- if none was given as a parameter
- we try from input length * 2 up to input length * 2^15
- doubling it whenever it wasn't big enough
- that should be enaugh for all real life cases
- */
- do {
- length = plength ? plength : (unsigned long)data_len * (1 << factor++);
- s2 = (char *) erealloc(s1, length);
+ZEND_BEGIN_ARG_INFO_EX(arginfo_gzdeflate, 0, 0, 1)
+ ZEND_ARG_INFO(0, data)
+ ZEND_ARG_INFO(0, level)
+ ZEND_ARG_INFO(0, encoding)
+ZEND_END_ARG_INFO()
- if (!s2) {
- if (s1) {
- efree(s1);
- }
- inflateEnd(&stream);
- RETURN_FALSE;
- }
- s1 = s2;
+ZEND_BEGIN_ARG_INFO_EX(arginfo_gzencode, 0, 0, 1)
+ ZEND_ARG_INFO(0, data)
+ ZEND_ARG_INFO(0, level)
+ ZEND_ARG_INFO(0, encoding)
+ZEND_END_ARG_INFO()
- stream.next_out = (Bytef *) &s2[stream.total_out];
- stream.avail_out = length - stream.total_out;
- status = inflate(&stream, Z_NO_FLUSH);
+ZEND_BEGIN_ARG_INFO_EX(arginfo_gzcompress, 0, 0, 1)
+ ZEND_ARG_INFO(0, data)
+ ZEND_ARG_INFO(0, level)
+ ZEND_ARG_INFO(0, encoding)
+ZEND_END_ARG_INFO()
- } while ((Z_BUF_ERROR == status || (Z_OK == status && stream.avail_in)) && !plength && factor < maxfactor);
+ZEND_BEGIN_ARG_INFO_EX(arginfo_gzinflate, 0, 0, 1)
+ ZEND_ARG_INFO(0, data)
+ ZEND_ARG_INFO(0, max_decoded_len)
+ZEND_END_ARG_INFO()
- inflateEnd(&stream);
+ZEND_BEGIN_ARG_INFO_EX(arginfo_gzdecode, 0, 0, 1)
+ ZEND_ARG_INFO(0, data)
+ ZEND_ARG_INFO(0, max_decoded_len)
+ZEND_END_ARG_INFO()
- if ((plength && Z_OK == status) || factor >= maxfactor) {
- status = Z_MEM_ERROR;
- }
+ZEND_BEGIN_ARG_INFO_EX(arginfo_gzuncompress, 0, 0, 1)
+ ZEND_ARG_INFO(0, data)
+ ZEND_ARG_INFO(0, max_decoded_len)
+ZEND_END_ARG_INFO()
+/* }}} */
- if (Z_STREAM_END == status || Z_OK == status) {
- s2 = erealloc(s2, stream.total_out + 1); /* room for \0 */
- s2[ stream.total_out ] = '\0';
- RETURN_STRINGL(s2, stream.total_out, 0);
- } else {
- efree(s2);
- php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s", zError(status));
- RETURN_FALSE;
- }
-}
+/* {{{ php_zlib_functions[] */
+static const zend_function_entry php_zlib_functions[] = {
+ PHP_FE(readgzfile, arginfo_readgzfile)
+ PHP_FALIAS(gzrewind, rewind, NULL)
+ PHP_FALIAS(gzclose, fclose, NULL)
+ PHP_FALIAS(gzeof, feof, NULL)
+ PHP_FALIAS(gzgetc, fgetc, NULL)
+ PHP_FALIAS(gzgets, fgets, NULL)
+ PHP_FALIAS(gzgetss, fgetss, NULL)
+ PHP_FALIAS(gzread, fread, NULL)
+ PHP_FE(gzopen, arginfo_gzopen)
+ PHP_FALIAS(gzpassthru, fpassthru, NULL)
+ PHP_FALIAS(gzseek, fseek, NULL)
+ PHP_FALIAS(gztell, ftell, NULL)
+ PHP_FALIAS(gzwrite, fwrite, NULL)
+ PHP_FALIAS(gzputs, fwrite, NULL)
+ PHP_FE(gzfile, NULL)
+ PHP_FE(gzcompress, arginfo_gzcompress)
+ PHP_FE(gzuncompress, arginfo_gzuncompress)
+ PHP_FE(gzdeflate, arginfo_gzdeflate)
+ PHP_FE(gzinflate, arginfo_gzinflate)
+ PHP_FE(gzencode, arginfo_gzencode)
+ PHP_FE(gzdecode, arginfo_gzdecode)
+ PHP_FE(zlib_encode, arginfo_zlib_encode)
+ PHP_FE(zlib_decode, arginfo_zlib_decode)
+ PHP_FE(zlib_get_coding_type, arginfo_zlib_get_coding_type)
+ {NULL, NULL, NULL}
+};
/* }}} */
-/* {{{ proto string zlib_get_coding_type(void)
- Returns the coding type used for output compression */
-static PHP_FUNCTION(zlib_get_coding_type)
+/* {{{ OnUpdate_zlib_output_compression */
+static PHP_INI_MH(OnUpdate_zlib_output_compression)
{
- switch (ZLIBG(compression_coding)) {
- case CODING_GZIP:
- RETURN_STRINGL("gzip", sizeof("gzip") - 1, 1);
+ int status, int_value;
+ char *ini_value;
- case CODING_DEFLATE:
- RETURN_STRINGL("deflate", sizeof("deflate") - 1, 1);
+ if (new_value == NULL) {
+ return FAILURE;
}
- RETURN_FALSE;
-}
-
-/* {{{ php_do_deflate
- */
-static int php_do_deflate(uint str_length, Bytef **p_buffer, uint *p_buffer_len, zend_bool do_start, zend_bool do_end TSRMLS_DC)
-{
- Bytef *buffer;
- uInt prev_outlen, outlen;
- int err;
- int start_offset = ((do_start && ZLIBG(compression_coding) == CODING_GZIP) ? 10 : 0);
- int end_offset = (do_end ? 8 : 0);
-
- outlen = (uint) (str_length + (str_length / PHP_ZLIB_MODIFIER) + 12 + 1); /* leave some room for a trailing \0 */
- if ((outlen + start_offset + end_offset) > *p_buffer_len) {
- buffer = (Bytef *) emalloc(outlen + start_offset + end_offset);
- } else {
- buffer = *p_buffer;
+ if (!strncasecmp(new_value, "off", sizeof("off"))) {
+ new_value = "0";
+ new_value_length = sizeof("0");
+ } else if (!strncasecmp(new_value, "on", sizeof("on"))) {
+ new_value = "1";
+ new_value_length = sizeof("1");
}
- ZLIBG(stream).next_out = buffer + start_offset;
- ZLIBG(stream).avail_out = outlen;
-
- err = deflate(&ZLIBG(stream), Z_SYNC_FLUSH);
- while (err == Z_OK && !ZLIBG(stream).avail_out) {
- prev_outlen = outlen;
- outlen *= 3;
- if ((outlen + start_offset + end_offset) > *p_buffer_len) {
- buffer = erealloc(buffer, outlen + start_offset + end_offset);
- }
-
- ZLIBG(stream).next_out = buffer + start_offset + prev_outlen;
- ZLIBG(stream).avail_out = prev_outlen * 2;
-
- err = deflate(&ZLIBG(stream), Z_SYNC_FLUSH);
- }
+ int_value = zend_atoi(new_value, new_value_length);
+ ini_value = zend_ini_string("output_handler", sizeof("output_handler"), 0);
- if (do_end) {
- err = deflate(&ZLIBG(stream), Z_FINISH);
- buffer[outlen + start_offset - ZLIBG(stream).avail_out] = '\0';
+ if (ini_value && *ini_value && int_value) {
+ php_error_docref("ref.outcontrol" TSRMLS_CC, E_CORE_ERROR, "Cannot use both zlib.output_compression and output_handler together!!");
+ return FAILURE;
}
- *p_buffer = buffer;
- *p_buffer_len = outlen - ZLIBG(stream).avail_out;
-
- return err;
-}
-/* }}} */
-
-/* {{{ php_deflate_string
- */
-static int php_deflate_string(const char *str, uint str_length, char **newstr, uint *new_length, zend_bool do_start, zend_bool do_end TSRMLS_DC)
-{
- int err;
-
- if (do_start) {
- ZLIBG(stream).zalloc = php_zlib_alloc;
- ZLIBG(stream).zfree = php_zlib_free;
- ZLIBG(stream).opaque = Z_NULL;
-
- switch (ZLIBG(compression_coding)) {
- case CODING_GZIP:
- /* windowBits is passed < 0 to suppress zlib header & trailer */
- if (deflateInit2(&ZLIBG(stream), ZLIBG(output_compression_level), Z_DEFLATED, -MAX_WBITS, MAX_MEM_LEVEL, Z_DEFAULT_STRATEGY) != Z_OK) {
- /* TODO: print out error */
- return FAILURE;
- }
-
- ZLIBG(crc) = crc32(0L, Z_NULL, 0);
- break;
-
- case CODING_DEFLATE:
- if (deflateInit(&ZLIBG(stream), ZLIBG(output_compression_level)) != Z_OK) {
- /* TODO: print out error */
- return FAILURE;
- }
- break;
+ if (stage == PHP_INI_STAGE_RUNTIME) {
+ status = php_output_get_status(TSRMLS_C);
+ if (status & PHP_OUTPUT_SENT) {
+ php_error_docref("ref.outcontrol" TSRMLS_CC, E_WARNING, "Cannot change zlib.output_compression - headers already sent");
+ return FAILURE;
+ } else if ((status & PHP_OUTPUT_WRITTEN) && int_value) {
+ php_error_docref("ref.outcontrol" TSRMLS_CC, E_WARNING, "Cannot enable zlib.output_compression - there has already been output");
+ return FAILURE;
}
}
- ZLIBG(stream).next_in = (Bytef *) str;
- ZLIBG(stream).avail_in = (uInt) str_length;
+ status = OnUpdateLong(entry, new_value, new_value_length, mh_arg1, mh_arg2, mh_arg3, stage TSRMLS_CC);
- if (ZLIBG(compression_coding) == CODING_GZIP) {
- ZLIBG(crc) = crc32(ZLIBG(crc), (const Bytef *) str, str_length);
- }
+ if (stage == PHP_INI_STAGE_RUNTIME && int_value) {
+ zval tmp;
- err = php_do_deflate(str_length, (Bytef **) newstr, new_length, do_start, do_end TSRMLS_CC);
- /* TODO: error handling (err may be Z_STREAM_ERROR, Z_BUF_ERROR, ?) */
-
- if (do_start && ZLIBG(compression_coding) == CODING_GZIP) {
- /* Write a very simple .gz header: */
- (*newstr)[0] = gz_magic[0];
- (*newstr)[1] = gz_magic[1];
- (*newstr)[2] = Z_DEFLATED;
- (*newstr)[3] = (*newstr)[4] = (*newstr)[5] = (*newstr)[6] = (*newstr)[7] = (*newstr)[8] = 0;
- (*newstr)[9] = OS_CODE;
- *new_length += 10;
- }
- if (do_end) {
- if (ZLIBG(compression_coding) == CODING_GZIP) {
- char *trailer = (*newstr) + (*new_length);
-
- /* write crc & stream.total_in in LSB order */
- trailer[0] = (char) ZLIBG(crc) & 0xFF;
- trailer[1] = (char) (ZLIBG(crc) >> 8) & 0xFF;
- trailer[2] = (char) (ZLIBG(crc) >> 16) & 0xFF;
- trailer[3] = (char) (ZLIBG(crc) >> 24) & 0xFF;
- trailer[4] = (char) ZLIBG(stream).total_in & 0xFF;
- trailer[5] = (char) (ZLIBG(stream).total_in >> 8) & 0xFF;
- trailer[6] = (char) (ZLIBG(stream).total_in >> 16) & 0xFF;
- trailer[7] = (char) (ZLIBG(stream).total_in >> 24) & 0xFF;
- trailer[8] = '\0';
- *new_length += 8;
+ INIT_PZVAL(&tmp);
+ ZVAL_STRING(&tmp, PHP_ZLIB_OUTPUT_HANDLER_NAME, 1);
+ if (!php_output_handler_started(&tmp TSRMLS_CC)) {
+ php_zlib_output_compression_start(TSRMLS_C);
}
- deflateEnd(&ZLIBG(stream));
+ zval_dtor(&tmp);
}
-
- return SUCCESS;
+ return status;
}
/* }}} */
-/* {{{ proto string gzencode(string data [, int level [, int encoding_mode]])
- GZ encode a string */
-static PHP_FUNCTION(gzencode)
+/* {{{ OnUpdate_zlib_output_handler */
+static PHP_INI_MH(OnUpdate_zlib_output_handler)
{
- char *data, *s2;
- int data_len;
- long level = Z_DEFAULT_COMPRESSION, coding = CODING_GZIP;
- int status;
- z_stream stream;
-
- if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|ll", &data, &data_len, &level, &coding) == FAILURE) {
- return;
- }
-
- if ((level < -1) || (level > 9)) {
- php_error_docref(NULL TSRMLS_CC, E_WARNING, "compression level(%ld) must be within -1..9", level);
- RETURN_FALSE;
- }
-
- if ((coding != CODING_GZIP) && (coding != CODING_DEFLATE)) {
- php_error_docref(NULL TSRMLS_CC, E_WARNING, "encoding mode must be FORCE_GZIP or FORCE_DEFLATE");
- RETURN_FALSE;
- }
-
- stream.zalloc = php_zlib_alloc;
- stream.zfree = php_zlib_free;
- stream.opaque = Z_NULL;
-
- stream.next_in = (Bytef *) data;
- stream.avail_in = data_len;
-
- stream.avail_out = stream.avail_in + (stream.avail_in / PHP_ZLIB_MODIFIER) + 15 + 1; /* room for \0 */
- s2 = (char *) emalloc(stream.avail_out + GZIP_HEADER_LENGTH + (coding == CODING_GZIP ? GZIP_FOOTER_LENGTH : 0));
-
- /* add gzip file header */
- s2[0] = gz_magic[0];
- s2[1] = gz_magic[1];
- s2[2] = Z_DEFLATED;
- s2[3] = s2[4] = s2[5] = s2[6] = s2[7] = s2[8] = 0; /* time set to 0 */
- s2[9] = OS_CODE;
-
- stream.next_out = &(s2[GZIP_HEADER_LENGTH]);
-
- switch (coding) {
- case CODING_GZIP:
- /* windowBits is passed < 0 to suppress zlib header & trailer */
- if ((status = deflateInit2(&stream, level, Z_DEFLATED, -MAX_WBITS, MAX_MEM_LEVEL, Z_DEFAULT_STRATEGY)) != Z_OK) {
- php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s", zError(status));
- RETURN_FALSE;
- }
-
- break;
- case CODING_DEFLATE:
- if ((status = deflateInit(&stream, level)) != Z_OK) {
- php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s", zError(status));
- RETURN_FALSE;
- }
- break;
- }
-
- status = deflate(&stream, Z_FINISH);
- if (status != Z_STREAM_END) {
- deflateEnd(&stream);
- if (status == Z_OK) {
- status = Z_BUF_ERROR;
- }
- } else {
- status = deflateEnd(&stream);
+ if (stage == PHP_INI_STAGE_RUNTIME && (php_output_get_status(TSRMLS_C) & PHP_OUTPUT_SENT)) {
+ php_error_docref("ref.outcontrol" TSRMLS_CC, E_WARNING, "Cannot change zlib.output_handler - headers already sent");
+ return FAILURE;
}
- if (status == Z_OK) {
- /* resize to buffer to the "right" size */
- s2 = erealloc(s2, stream.total_out + GZIP_HEADER_LENGTH + (coding == CODING_GZIP ? GZIP_FOOTER_LENGTH : 0) + 1);
-
- if (coding == CODING_GZIP) {
- char *trailer = s2 + (stream.total_out + GZIP_HEADER_LENGTH);
- uLong crc = crc32(0L, Z_NULL, 0);
-
- crc = crc32(crc, (const Bytef *) data, data_len);
-
- /* write crc & stream.total_in in LSB order */
- trailer[0] = (char) crc & 0xFF;
- trailer[1] = (char) (crc >> 8) & 0xFF;
- trailer[2] = (char) (crc >> 16) & 0xFF;
- trailer[3] = (char) (crc >> 24) & 0xFF;
- trailer[4] = (char) stream.total_in & 0xFF;
- trailer[5] = (char) (stream.total_in >> 8) & 0xFF;
- trailer[6] = (char) (stream.total_in >> 16) & 0xFF;
- trailer[7] = (char) (stream.total_in >> 24) & 0xFF;
- trailer[8] = '\0';
- } else {
- s2[stream.total_out + GZIP_HEADER_LENGTH + (coding == CODING_GZIP ? GZIP_FOOTER_LENGTH : 0)] = '\0';
- }
- RETURN_STRINGL(s2, stream.total_out + GZIP_HEADER_LENGTH + (coding == CODING_GZIP ? GZIP_FOOTER_LENGTH : 0), 0);
- } else {
- efree(s2);
- php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s", zError(status));
- RETURN_FALSE;
- }
+ return OnUpdateString(entry, new_value, new_value_length, mh_arg1, mh_arg2, mh_arg3, stage TSRMLS_CC);
}
/* }}} */
-/* {{{ php_ob_gzhandler_check
- */
-int php_ob_gzhandler_check(TSRMLS_D)
-{
- /* check for wrong usages */
- if (OG(ob_nesting_level > 0)) {
- if (php_ob_handler_used("ob_gzhandler" TSRMLS_CC)) {
- php_error_docref("ref.outcontrol" TSRMLS_CC, E_WARNING, "output handler 'ob_gzhandler' cannot be used twice");
- return FAILURE;
- }
- if (php_ob_handler_used("mb_output_handler" TSRMLS_CC)) {
- php_error_docref("ref.outcontrol" TSRMLS_CC, E_WARNING, "output handler 'ob_gzhandler' cannot be used after 'mb_output_handler'");
- return FAILURE;
- }
- if (php_ob_handler_used("URL-Rewriter" TSRMLS_CC)) {
- php_error_docref("ref.outcontrol" TSRMLS_CC, E_WARNING, "output handler 'ob_gzhandler' cannot be used after 'URL-Rewriter'");
- return FAILURE;
- }
- if (php_ob_init_conflict("ob_gzhandler", "zlib output compression" TSRMLS_CC)) {
- return FAILURE;
- }
- }
-
- return SUCCESS;
-}
-
+/* {{{ INI */
+PHP_INI_BEGIN()
+ STD_PHP_INI_BOOLEAN("zlib.output_compression", "0", PHP_INI_ALL, OnUpdate_zlib_output_compression, output_compression, zend_zlib_globals, zlib_globals)
+ STD_PHP_INI_ENTRY("zlib.output_compression_level", "-1", PHP_INI_ALL, OnUpdateLong, output_compression_level, zend_zlib_globals, zlib_globals)
+ STD_PHP_INI_ENTRY("zlib.output_handler", "", PHP_INI_ALL, OnUpdate_zlib_output_handler, output_handler, zend_zlib_globals, zlib_globals)
+PHP_INI_END()
/* }}} */
-/* {{{ proto string ob_gzhandler(string str, int mode)
- Encode str based on accept-encoding setting - designed to be called from ob_start() */
-static PHP_FUNCTION(ob_gzhandler)
+/* {{{ PHP_MINIT_FUNCTION */
+static PHP_MINIT_FUNCTION(zlib)
{
- char *string;
- int string_len;
- long mode;
- zval **a_encoding;
- zend_bool return_original = 0;
- zend_bool do_start, do_end;
-
- if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "sl", &string, &string_len, &mode) == FAILURE) {
- return;
- }
-
- if (ZLIBG(ob_gzhandler_status) == -1) {
- RETURN_FALSE;
- }
-
- zend_is_auto_global("_SERVER", sizeof("_SERVER")-1 TSRMLS_CC);
-
- if (!PG(http_globals)[TRACK_VARS_SERVER]
- || zend_hash_find(PG(http_globals)[TRACK_VARS_SERVER]->value.ht, "HTTP_ACCEPT_ENCODING", sizeof("HTTP_ACCEPT_ENCODING"), (void **) &a_encoding) == FAILURE
- ) {
- ZLIBG(ob_gzhandler_status) = -1;
- RETURN_FALSE;
- }
-
- convert_to_string_ex(a_encoding);
- if (php_memnstr(Z_STRVAL_PP(a_encoding), "gzip", 4, Z_STRVAL_PP(a_encoding) + Z_STRLEN_PP(a_encoding))) {
- ZLIBG(compression_coding) = CODING_GZIP;
- } else if (php_memnstr(Z_STRVAL_PP(a_encoding), "deflate", 7, Z_STRVAL_PP(a_encoding) + Z_STRLEN_PP(a_encoding))) {
- ZLIBG(compression_coding) = CODING_DEFLATE;
- } else {
- ZLIBG(ob_gzhandler_status) = -1;
- RETURN_FALSE;
- }
-
- do_start = ((mode & PHP_OUTPUT_HANDLER_START) ? 1 : 0);
- do_end = ((mode & PHP_OUTPUT_HANDLER_END) ? 1 : 0);
- Z_STRVAL_P(return_value) = NULL;
- Z_STRLEN_P(return_value) = 0;
+ php_register_url_stream_wrapper("compress.zlib", &php_stream_gzip_wrapper TSRMLS_CC);
+ php_stream_filter_register_factory("zlib.*", &php_zlib_filter_factory TSRMLS_CC);
- if (php_deflate_string(string, string_len, &Z_STRVAL_P(return_value), &Z_STRLEN_P(return_value), do_start, do_end TSRMLS_CC) == SUCCESS) {
- Z_TYPE_P(return_value) = IS_STRING;
- if (do_start) {
- switch (ZLIBG(compression_coding)) {
- case CODING_GZIP:
- if (sapi_add_header("Content-Encoding: gzip", sizeof("Content-Encoding: gzip") - 1, 1) == FAILURE) {
- return_original = 1;
- }
- if (sapi_add_header_ex("Vary: Accept-Encoding", sizeof("Vary: Accept-Encoding") - 1, 1, 0 TSRMLS_CC)==FAILURE) {
- return_original = 1;
- }
- break;
- case CODING_DEFLATE:
- if (sapi_add_header("Content-Encoding: deflate", sizeof("Content-Encoding: deflate") - 1, 1) == FAILURE) {
- return_original = 1;
- }
- if (sapi_add_header_ex("Vary: Accept-Encoding", sizeof("Vary: Accept-Encoding") - 1, 1, 0 TSRMLS_CC)==FAILURE) {
- return_original = 1;
- }
- break;
- default:
- return_original = 1;
- break;
- }
- }
+ PHP_OUTPUT_ALIAS_REGISTER("ob_gzhandler", php_zlib_output_handler_init);
+ PHP_OUTPUT_CONFLICT_REGISTER("ob_gzhandler", php_zlib_output_conflict_check);
+ PHP_OUTPUT_CONFLICT_REGISTER(PHP_ZLIB_OUTPUT_HANDLER_NAME, php_zlib_output_conflict_check);
- if (return_original) {
- zval_dtor(return_value);
- }
+ REGISTER_LONG_CONSTANT("FORCE_GZIP", PHP_ZLIB_ENCODING_GZIP, CONST_CS|CONST_PERSISTENT);
+ REGISTER_LONG_CONSTANT("FORCE_DEFLATE", PHP_ZLIB_ENCODING_DEFLATE, CONST_CS|CONST_PERSISTENT);
- } else {
- return_original = 1;
- }
+ REGISTER_LONG_CONSTANT("ZLIB_ENCODING_RAW", PHP_ZLIB_ENCODING_RAW, CONST_CS|CONST_PERSISTENT);
+ REGISTER_LONG_CONSTANT("ZLIB_ENCODING_GZIP", PHP_ZLIB_ENCODING_GZIP, CONST_CS|CONST_PERSISTENT);
+ REGISTER_LONG_CONSTANT("ZLIB_ENCODING_DEFLATE", PHP_ZLIB_ENCODING_DEFLATE, CONST_CS|CONST_PERSISTENT);
+ REGISTER_INI_ENTRIES();
- if (return_original) {
- /* return the original string */
- RETURN_STRINGL(string, string_len, 1);
- }
+ return SUCCESS;
}
/* }}} */
-/* {{{ php_gzip_output_handler
- */
-static void php_gzip_output_handler(char *output, uint output_len, char **handled_output, uint *handled_output_len, int mode TSRMLS_DC)
+/* {{{ PHP_MSHUTDOWN_FUNCTION */
+static PHP_MSHUTDOWN_FUNCTION(zlib)
{
- zend_bool do_start, do_end;
+ php_unregister_url_stream_wrapper("zlib" TSRMLS_CC);
+ php_stream_filter_unregister_factory("zlib.*" TSRMLS_CC);
- if (!ZLIBG(output_compression) || SG(sapi_headers).http_response_code == 204 || SG(sapi_headers).http_response_code == 304) {
- *handled_output = NULL;
- } else {
- do_start = (mode & PHP_OUTPUT_HANDLER_START ? 1 : 0);
- do_end = (mode & PHP_OUTPUT_HANDLER_END ? 1 : 0);
-
- if (do_start) {
- if (!SG(headers_sent) && !SG(request_info).no_headers) {
- switch (ZLIBG(compression_coding)) {
- case CODING_GZIP:
- sapi_add_header_ex(ZEND_STRL("Content-Encoding: gzip"), 1, 1 TSRMLS_CC);
- break;
- case CODING_DEFLATE:
- sapi_add_header_ex(ZEND_STRL("Content-Encoding: deflate"), 1, 1 TSRMLS_CC);
- break;
- }
- sapi_add_header_ex(ZEND_STRL("Vary: Accept-Encoding"), 1, 0 TSRMLS_CC);
- } else {
- /* Disable compression if headers can not be set (Fix for bug #49816) */
- ZLIBG(output_compression) = 0;
- *handled_output = NULL;
- return;
- }
- }
+ UNREGISTER_INI_ENTRIES();
- if (php_deflate_string(output, output_len, handled_output, handled_output_len, do_start, do_end TSRMLS_CC) != SUCCESS) {
- zend_error(E_ERROR, "Compression failed");
- }
- }
+ return SUCCESS;
}
/* }}} */
-/* {{{ php_enable_output_compression
- */
-static int php_enable_output_compression(int buffer_size TSRMLS_DC)
+/* {{{ PHP_RINIT_FUNCTION */
+static PHP_RINIT_FUNCTION(zlib)
{
- zval **a_encoding;
-
- zend_is_auto_global("_SERVER", sizeof("_SERVER")-1 TSRMLS_CC);
-
- if (!PG(http_globals)[TRACK_VARS_SERVER]
- || zend_hash_find(PG(http_globals)[TRACK_VARS_SERVER]->value.ht, "HTTP_ACCEPT_ENCODING", sizeof("HTTP_ACCEPT_ENCODING"), (void **) &a_encoding) == FAILURE
- ) {
- return FAILURE;
- }
-
- convert_to_string_ex(a_encoding);
-
- if (php_memnstr(Z_STRVAL_PP(a_encoding), "gzip", 4, Z_STRVAL_PP(a_encoding) + Z_STRLEN_PP(a_encoding))) {
- ZLIBG(compression_coding) = CODING_GZIP;
- } else if (php_memnstr(Z_STRVAL_PP(a_encoding), "deflate", 7, Z_STRVAL_PP(a_encoding) + Z_STRLEN_PP(a_encoding))) {
- ZLIBG(compression_coding) = CODING_DEFLATE;
- } else {
- return FAILURE;
- }
+ ZLIBG(compression_coding) = 0;
- php_ob_set_internal_handler(php_gzip_output_handler, (uint)buffer_size, "zlib output compression", 0 TSRMLS_CC);
+ php_zlib_output_compression_start(TSRMLS_C);
- if (ZLIBG(output_handler) && strlen(ZLIBG(output_handler))) {
- php_start_ob_buffer_named(ZLIBG(output_handler), 0, 1 TSRMLS_CC);
- }
return SUCCESS;
}
/* }}} */
-/* {{{ php_zlib_output_compression_start() */
-static int php_zlib_output_compression_start(TSRMLS_D)
+/* {{{ PHP_MINFO_FUNCTION */
+static PHP_MINFO_FUNCTION(zlib)
{
- switch (ZLIBG(output_compression)) {
- case 0:
- break;
- case 1:
- ZLIBG(output_compression) = 4096;
- /* break omitted intentionally */
- default:
- /* ZLIBG(compression_coding) should be 0 when zlib compression hasn't been started yet.. */
- if (ZLIBG(compression_coding) == 0) {
- return php_enable_output_compression(ZLIBG(output_compression) TSRMLS_CC);
- }
- }
- return SUCCESS;
+ php_info_print_table_start();
+ php_info_print_table_header(2, "ZLib Support", "enabled");
+ php_info_print_table_row(2, "Stream Wrapper", "compress.zlib://");
+ php_info_print_table_row(2, "Stream Filter", "zlib.inflate, zlib.deflate");
+ php_info_print_table_row(2, "Compiled Version", ZLIB_VERSION);
+ php_info_print_table_row(2, "Linked Version", (char *) zlibVersion());
+ php_info_print_table_end();
+
+ DISPLAY_INI_ENTRIES();
}
/* }}} */
+/* {{{ php_zlib_module_entry */
+zend_module_entry php_zlib_module_entry = {
+ STANDARD_MODULE_HEADER,
+ "zlib",
+ php_zlib_functions,
+ PHP_MINIT(zlib),
+ PHP_MSHUTDOWN(zlib),
+ PHP_RINIT(zlib),
+ NULL,
+ PHP_MINFO(zlib),
+ "2.0",
+ PHP_MODULE_GLOBALS(zlib),
+ NULL,
+ NULL,
+ NULL,
+ STANDARD_MODULE_PROPERTIES_EX
+};
+/* }}} */
+
/*
* Local variables:
* tab-width: 4