- fixed issues ifndef HTTP_HAVE_ZLIB and enable gzipped response decoding ifdef HAVE_ZLIB
[m6w6/ext-http] / http_encoding_api.c
index cba2d2547a595721790007a3d6cfc47610debff6..d1ce3da984441d1a839590c642aa6ed68c9433ed 100644 (file)
@@ -151,13 +151,13 @@ inline void http_init_uncompress_buffer(size_t data_len, char **buf_ptr, size_t
                *buf_ptr = emalloc(*buf_len + 1);
        } else {
                size_t new_len = *buf_len << 2;
-               char *new_ptr = erealloc(*buf_ptr, new_len + 1);
+               char *new_ptr = erealloc_recoverable(*buf_ptr, new_len + 1);
                
                if (new_ptr) {
                        *buf_ptr = new_ptr;
                        *buf_len = new_len;
                } else {
-                       *iteration = INT_MAX;
+                       *iteration = INT_MAX-1; /* avoid integer overflow on increment op */
                }
        }
 }
@@ -531,7 +531,7 @@ PHP_HTTP_API STATUS _http_encoding_stream_update(http_encoding_stream *s, const
        status = deflate(&s->Z, Z_SYNC_FLUSH);
        
        if (Z_OK != status && Z_STREAM_END != status) {
-               HTTP_GZSTREAM_ERROR(status, *encoded);
+               HTTP_ENCODING_STREAM_ERROR(status, *encoded);
        }
        *encoded_len -= s->Z.avail_out;
        
@@ -556,8 +556,6 @@ PHP_HTTP_API STATUS _http_encoding_stream_finish(http_encoding_stream *s, char *
                HTTP_ENCODING_STREAM_ERROR(status, *encoded);
        }
        
-       fprintf(stderr, "Needed %d bytes\n", *encoded_len - s->Z.avail_out);
-       
        *encoded_len -= s->Z.avail_out;
        if (s->gzip) {
                if (s->Z.avail_out < 8) {
@@ -580,19 +578,21 @@ PHP_HTTP_API STATUS _http_encoding_stream_finish(http_encoding_stream *s, char *
 
 PHP_HTTP_API zend_bool _http_encoding_response_start(size_t content_length TSRMLS_DC)
 {
-       if (php_ob_handler_used("ob_gzhandler" TSRMLS_DC)||php_ob_handler_used("zlib output compression" TSRMLS_DC)) {
+       if (    php_ob_handler_used("ob_gzhandler" TSRMLS_CC) ||
+                       php_ob_handler_used("zlib output compression" TSRMLS_CC)) {
                HTTP_G(send).gzip_encoding = 0;
        } else {
                if (!HTTP_G(send).gzip_encoding) {
                        /* emit a content-length header */
                        if (content_length) {
-                               char *cl;
-                               spprintf(&cl, 0, "Content-Length: %lu", (unsigned long) content_length);
-                               http_send_header_string(cl);
-                               efree(cl);
+                               char cl_header_str[128];
+                               size_t cl_header_len;
+                               cl_header_len = snprintf(cl_header_str, lenof(cl_header_str), "Content-Length: %lu", (unsigned long) content_length);
+                               http_send_header_string_ex(cl_header_str, cl_header_len, 1);
                        }
                } else {
 #ifndef HTTP_HAVE_ZLIB
+                       HTTP_G(send).gzip_encoding = 0;
                        php_start_ob_buffer_named("ob_gzhandler", 0, 0 TSRMLS_CC);
 #else
                        HashTable *selected;
@@ -603,6 +603,8 @@ PHP_HTTP_API zend_bool _http_encoding_response_start(size_t content_length TSRML
                        add_next_index_stringl(&zsupported, "gzip", lenof("gzip"), 1);
                        add_next_index_stringl(&zsupported, "deflate", lenof("deflate"), 1);
                        
+                       HTTP_G(send).gzip_encoding = 0;
+                       
                        if (selected = http_negotiate_encoding(&zsupported)) {
                                STATUS hs = FAILURE;
                                char *encoding = NULL;
@@ -620,8 +622,6 @@ PHP_HTTP_API zend_bool _http_encoding_response_start(size_t content_length TSRML
                                        }
                                        if (SUCCESS == hs) {
                                                http_send_header_string("Vary: Accept-Encoding");
-                                       } else {
-                                               HTTP_G(send).gzip_encoding = 0;
                                        }
                                }
                                
@@ -630,7 +630,7 @@ PHP_HTTP_API zend_bool _http_encoding_response_start(size_t content_length TSRML
                        }
                        
                        zval_dtor(&zsupported);
-                       return 1;
+                       return HTTP_G(send).gzip_encoding;
 #endif
                }
        }