nikic Sun, 19 Feb 2012 14:39:29 +0000 Revision: http://svn.php.net/viewvc?view=revision&revision=323362
Log: Fix bug #61139 gzopen leaks when specifying invalid mode Needs to be merged to 5.4. Bug: https://bugs.php.net/61139 (Open) gzopen leaks when specifying invalid mode Changed paths: A php/php-src/branches/PHP_5_3/ext/zlib/tests/bug61139.phpt U php/php-src/branches/PHP_5_3/ext/zlib/zlib_fopen_wrapper.c A php/php-src/trunk/ext/zlib/tests/bug61139.phpt U php/php-src/trunk/ext/zlib/zlib_fopen_wrapper.c Added: php/php-src/branches/PHP_5_3/ext/zlib/tests/bug61139.phpt =================================================================== --- php/php-src/branches/PHP_5_3/ext/zlib/tests/bug61139.phpt (rev 0) +++ php/php-src/branches/PHP_5_3/ext/zlib/tests/bug61139.phpt 2012-02-19 14:39:29 UTC (rev 323362) @@ -0,0 +1,14 @@ +--TEST-- +Bug #61139 (gzopen leaks when specifying invalid mode) +--SKIPIF-- +<?php +if (!extension_loaded('zlib')) { + die('skip - zlib extension not loaded'); +} +?> +--FILE-- +<?php + +gzopen('someFile', 'c'); +--EXPECTF-- +Warning: gzopen(): gzopen failed in %s on line %d Modified: php/php-src/branches/PHP_5_3/ext/zlib/zlib_fopen_wrapper.c =================================================================== --- php/php-src/branches/PHP_5_3/ext/zlib/zlib_fopen_wrapper.c 2012-02-19 14:35:47 UTC (rev 323361) +++ php/php-src/branches/PHP_5_3/ext/zlib/zlib_fopen_wrapper.c 2012-02-19 14:39:29 UTC (rev 323362) @@ -109,7 +109,7 @@ php_stream *php_stream_gzopen(php_stream_wrapper *wrapper, char *path, char *mode, int options, char **opened_path, php_stream_context *context STREAMS_DC TSRMLS_DC) { - struct php_gz_stream_data_t *self = {0}; + struct php_gz_stream_data_t *self; php_stream *stream = NULL, *innerstream = NULL; /* sanity check the stream: it can be either read-only or write-only */ @@ -120,8 +120,6 @@ return NULL; } - self = emalloc(sizeof(*self)); - if (strncasecmp("compress.zlib://", path, 16) == 0) { path += 16; } else if (strncasecmp("zlib:", path, 5) == 0) { @@ -134,32 +132,29 @@ int fd; if (SUCCESS == php_stream_cast(innerstream, PHP_STREAM_AS_FD, (void **) &fd, REPORT_ERRORS)) { - self->gz_file = gzdopen(dup(fd), mode); + self = emalloc(sizeof(*self)); self->stream = innerstream; - if (self->gz_file) { + self->gz_file = gzdopen(dup(fd), mode); + + if (self->gz_file) { stream = php_stream_alloc_rel(&php_stream_gzio_ops, self, 0, mode); if (stream) { stream->flags |= PHP_STREAM_FLAG_NO_BUFFER; return stream; } + gzclose(self->gz_file); } + + efree(self); if (options & REPORT_ERRORS) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "gzopen failed"); } - } else if (innerstream) { - php_stream_close(innerstream); } - } - if (stream) { - php_stream_close(stream); + php_stream_close(innerstream); } - - if (self) { - efree(self); - } - + return NULL; } Added: php/php-src/trunk/ext/zlib/tests/bug61139.phpt =================================================================== --- php/php-src/trunk/ext/zlib/tests/bug61139.phpt (rev 0) +++ php/php-src/trunk/ext/zlib/tests/bug61139.phpt 2012-02-19 14:39:29 UTC (rev 323362) @@ -0,0 +1,14 @@ +--TEST-- +Bug #61139 (gzopen leaks when specifying invalid mode) +--SKIPIF-- +<?php +if (!extension_loaded('zlib')) { + die('skip - zlib extension not loaded'); +} +?> +--FILE-- +<?php + +gzopen('someFile', 'c'); +--EXPECTF-- +Warning: gzopen(): gzopen failed in %s on line %d Modified: php/php-src/trunk/ext/zlib/zlib_fopen_wrapper.c =================================================================== --- php/php-src/trunk/ext/zlib/zlib_fopen_wrapper.c 2012-02-19 14:35:47 UTC (rev 323361) +++ php/php-src/trunk/ext/zlib/zlib_fopen_wrapper.c 2012-02-19 14:39:29 UTC (rev 323362) @@ -109,7 +109,7 @@ php_stream *php_stream_gzopen(php_stream_wrapper *wrapper, char *path, char *mode, int options, char **opened_path, php_stream_context *context STREAMS_DC TSRMLS_DC) { - struct php_gz_stream_data_t *self = {0}; + struct php_gz_stream_data_t *self; php_stream *stream = NULL, *innerstream = NULL; /* sanity check the stream: it can be either read-only or write-only */ @@ -120,8 +120,6 @@ return NULL; } - self = emalloc(sizeof(*self)); - if (strncasecmp("compress.zlib://", path, 16) == 0) { path += 16; } else if (strncasecmp("zlib:", path, 5) == 0) { @@ -134,32 +132,29 @@ int fd; if (SUCCESS == php_stream_cast(innerstream, PHP_STREAM_AS_FD, (void **) &fd, REPORT_ERRORS)) { - self->gz_file = gzdopen(dup(fd), mode); + self = emalloc(sizeof(*self)); self->stream = innerstream; - if (self->gz_file) { + self->gz_file = gzdopen(dup(fd), mode); + + if (self->gz_file) { stream = php_stream_alloc_rel(&php_stream_gzio_ops, self, 0, mode); if (stream) { stream->flags |= PHP_STREAM_FLAG_NO_BUFFER; return stream; } + gzclose(self->gz_file); } + + efree(self); if (options & REPORT_ERRORS) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "gzopen failed"); } - } else if (innerstream) { - php_stream_close(innerstream); } - } - if (stream) { - php_stream_close(stream); + php_stream_close(innerstream); } - - if (self) { - efree(self); - } - + return NULL; }
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