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slords |
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https://bugzilla.redhat.com/show_bug.cgi?id=690905 |
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http://svn.php.net/viewvc/?view=revision&revision=308734 |
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--- php-5.3.3/ext/standard/ftp_fopen_wrapper.c.cve1469 |
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+++ php-5.3.3/ext/standard/ftp_fopen_wrapper.c |
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@@ -72,6 +72,12 @@ |
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#define FTPS_ENCRYPT_DATA 1 |
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#define GET_FTP_RESULT(stream) get_ftp_result((stream), tmp_line, sizeof(tmp_line) TSRMLS_CC) |
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+typedef struct _php_ftp_dirstream_data { |
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+ php_stream *datastream; |
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+ php_stream *controlstream; |
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+ php_stream *dirstream; |
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+} php_ftp_dirstream_data; |
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+ |
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/* {{{ get_ftp_result |
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*/ |
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static inline int get_ftp_result(php_stream *stream, char *buffer, size_t buffer_size TSRMLS_DC) |
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@@ -97,12 +103,12 @@ static int php_stream_ftp_stream_stat(ph |
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*/ |
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static int php_stream_ftp_stream_close(php_stream_wrapper *wrapper, php_stream *stream TSRMLS_DC) |
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{ |
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- php_stream *controlstream = (php_stream *)stream->wrapperdata; |
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+ php_stream *controlstream = stream->wrapperthis; |
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if (controlstream) { |
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php_stream_write_string(controlstream, "QUIT\r\n"); |
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php_stream_close(controlstream); |
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- stream->wrapperdata = NULL; |
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+ stream->wrapperthis = NULL; |
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} |
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return 0; |
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} |
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@@ -187,7 +193,7 @@ static php_stream *php_ftp_fopen_connect |
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|| php_stream_xport_crypto_enable(stream, 1 TSRMLS_CC) < 0) { |
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php_stream_wrapper_log_error(wrapper, options TSRMLS_CC, "Unable to activate SSL mode"); |
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php_stream_close(stream); |
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- stream = NULL; |
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+ stream->wrapperthis = NULL; |
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goto connect_errexit; |
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} |
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@@ -564,7 +570,7 @@ php_stream * php_stream_url_wrap_ftp(php |
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} |
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/* remember control stream */ |
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- datastream->wrapperdata = (zval *)stream; |
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+ datastream->wrapperthis = stream; |
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php_url_free(resource); |
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return datastream; |
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@@ -588,11 +594,13 @@ errexit: |
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static size_t php_ftp_dirstream_read(php_stream *stream, char *buf, size_t count TSRMLS_DC) |
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{ |
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php_stream_dirent *ent = (php_stream_dirent *)buf; |
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- php_stream *innerstream = (php_stream *)stream->abstract; |
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+ php_stream *innerstream; |
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size_t tmp_len; |
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char *basename; |
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size_t basename_len; |
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+ innerstream = ((php_ftp_dirstream_data *)stream->abstract)->datastream; |
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+ |
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if (count != sizeof(php_stream_dirent)) { |
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return 0; |
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} |
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@@ -636,13 +644,18 @@ static size_t php_ftp_dirstream_read(php |
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*/ |
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static int php_ftp_dirstream_close(php_stream *stream, int close_handle TSRMLS_DC) |
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{ |
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- php_stream *innerstream = (php_stream *)stream->abstract; |
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+ php_ftp_dirstream_data *data = stream->abstract; |
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- if (innerstream->wrapperdata) { |
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- php_stream_close((php_stream *)innerstream->wrapperdata); |
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- innerstream->wrapperdata = NULL; |
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- } |
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- php_stream_close((php_stream *)stream->abstract); |
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+ /* close control connection */ |
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+ if (data->controlstream) { |
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+ php_stream_close(data->controlstream); |
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+ data->controlstream = NULL; |
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+ } |
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+ /* close data connection */ |
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+ php_stream_close(data->datastream); |
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+ data->datastream = NULL; |
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+ |
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+ efree(data); |
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stream->abstract = NULL; |
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return 0; |
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@@ -668,6 +681,7 @@ static php_stream_ops php_ftp_dirstream_ |
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php_stream * php_stream_ftp_opendir(php_stream_wrapper *wrapper, char *path, char *mode, int options, char **opened_path, php_stream_context *context STREAMS_DC TSRMLS_DC) |
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{ |
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php_stream *stream, *reuseid, *datastream = NULL; |
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+ php_ftp_dirstream_data *dirsdata; |
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php_url *resource = NULL; |
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int result = 0, use_ssl, use_ssl_on_data = 0; |
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char *hoststart = NULL, tmp_line[512]; |
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@@ -727,11 +741,14 @@ php_stream * php_stream_ftp_opendir(php_ |
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goto opendir_errexit; |
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} |
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- /* remember control stream */ |
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- datastream->wrapperdata = (zval *)stream; |
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- |
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php_url_free(resource); |
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- return php_stream_alloc(&php_ftp_dirstream_ops, datastream, 0, mode); |
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+ |
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+ dirsdata = emalloc(sizeof *dirsdata); |
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+ dirsdata->datastream = datastream; |
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+ dirsdata->controlstream = stream; |
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+ dirsdata->dirstream = php_stream_alloc(&php_ftp_dirstream_ops, dirsdata, 0, mode); |
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+ |
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+ return dirsdata->dirstream; |
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opendir_errexit: |
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if (resource) { |
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