From 45debdc3d92b5271fe65d9fb76845a0d341d00f9 Mon Sep 17 00:00:00 2001 From: Michael Wallner Date: Mon, 19 Jan 2015 15:50:09 +0100 Subject: [PATCH] fix message parser --- php_http_message_parser.c | 85 ++++++++++++++++++--------------------- 1 file changed, 40 insertions(+), 45 deletions(-) diff --git a/php_http_message_parser.c b/php_http_message_parser.c index e4eab11..440a5f3 100644 --- a/php_http_message_parser.c +++ b/php_http_message_parser.c @@ -247,20 +247,33 @@ php_http_message_parser_state_t php_http_message_parser_parse(php_http_message_p case PHP_HTTP_MESSAGE_PARSER_STATE_HEADER_DONE: { - zval h, *h_loc = NULL, *h_con = NULL, *h_cl, *h_cr, *h_te, *h_ce; + zval h, *h_ptr, *h_loc = NULL, *h_con = NULL, *h_ce; + zend_bool chunked = 0; + zend_long content_length = -1; + zend_string *content_range = NULL; - if ((h_te = php_http_message_header(*message, ZEND_STRL("Transfer-Encoding")))) { - Z_TRY_ADDREF_P(h_te); - zend_hash_str_update(&(*message)->hdrs, "X-Original-Transfer-Encoding", lenof("X-Original-Transfer-Encoding"), h_te); + if ((h_ptr = php_http_message_header(*message, ZEND_STRL("Transfer-Encoding")))) { + zend_string *zs = zval_get_string(h_ptr); + + chunked = zend_string_equals_literal(zs, "chunked"); + zend_string_release(zs); + + Z_TRY_ADDREF_P(h_ptr); + zend_hash_str_update(&(*message)->hdrs, "X-Original-Transfer-Encoding", lenof("X-Original-Transfer-Encoding"), h_ptr); zend_hash_str_del(&(*message)->hdrs, "Transfer-Encoding", lenof("Transfer-Encoding")); + } - if ((h_cl = php_http_message_header(*message, ZEND_STRL("Content-Length")))) { - Z_TRY_ADDREF_P(h_cl); - h_cl = zend_hash_str_update(&(*message)->hdrs, "X-Original-Content-Length", lenof("X-Original-Content-Length"), h_cl); + if ((h_ptr = php_http_message_header(*message, ZEND_STRL("Content-Length")))) { + content_length = zval_get_long(h_ptr); + + Z_TRY_ADDREF_P(h_ptr); + zend_hash_str_update(&(*message)->hdrs, "X-Original-Content-Length", lenof("X-Original-Content-Length"), h_ptr); } - if ((h_cr = php_http_message_header(*message, ZEND_STRL("Content-Range")))) { - Z_TRY_ADDREF_P(h_cr); - zend_hash_str_update(&(*message)->hdrs, "X-Original-Content-Range", sizeof("X-Original-Content-Range"), h_cr); + if ((h_ptr = php_http_message_header(*message, ZEND_STRL("Content-Range")))) { + content_range = zval_get_string(h_ptr); + + Z_TRY_ADDREF_P(h_ptr); + zend_hash_str_update(&(*message)->hdrs, "X-Original-Content-Range", lenof("X-Original-Content-Range"), h_ptr); zend_hash_str_del(&(*message)->hdrs, "Content-Range", lenof("Content-Range")); } @@ -279,17 +292,9 @@ php_http_message_parser_state_t php_http_message_parser_parse(php_http_message_p ) { if (php_http_match(Z_STRVAL_P(h_con), "close", PHP_HTTP_MATCH_WORD)) { php_http_message_parser_state_push(parser, 1, PHP_HTTP_MESSAGE_PARSER_STATE_DONE); - zval_ptr_dtor(h_loc); - zval_ptr_dtor(h_con); break; } } - if (h_loc) { - zval_ptr_dtor(h_loc); - } - if (h_con) { - zval_ptr_dtor(h_con); - } if ((h_ce = php_http_message_header(*message, ZEND_STRL("Content-Encoding")))) { if (php_http_match(Z_STRVAL_P(h_ce), "gzip", PHP_HTTP_MATCH_WORD) @@ -310,42 +315,29 @@ php_http_message_parser_state_t php_http_message_parser_parse(php_http_message_p if ((flags & PHP_HTTP_MESSAGE_PARSER_DUMB_BODIES)) { php_http_message_parser_state_push(parser, 1, PHP_HTTP_MESSAGE_PARSER_STATE_BODY_DUMB); } else { - if (h_te) { - if (strstr(Z_STRVAL_P(h_te), "chunked")) { - parser->dechunk = php_http_encoding_stream_init(parser->dechunk, php_http_encoding_stream_get_dechunk_ops(), 0); - php_http_message_parser_state_push(parser, 1, PHP_HTTP_MESSAGE_PARSER_STATE_BODY_CHUNKED); - break; - } + if (chunked) { + parser->dechunk = php_http_encoding_stream_init(parser->dechunk, php_http_encoding_stream_get_dechunk_ops(), 0); + php_http_message_parser_state_push(parser, 1, PHP_HTTP_MESSAGE_PARSER_STATE_BODY_CHUNKED); + break; } - if (h_cl) { - char *stop; - - if (Z_TYPE_P(h_cl) == IS_STRING) { - parser->body_length = strtoul(Z_STRVAL_P(h_cl), &stop, 10); - - if (stop != Z_STRVAL_P(h_cl)) { - php_http_message_parser_state_push(parser, 1, !parser->body_length?PHP_HTTP_MESSAGE_PARSER_STATE_BODY_DONE:PHP_HTTP_MESSAGE_PARSER_STATE_BODY_LENGTH); - break; - } - } else if (Z_TYPE_P(h_cl) == IS_LONG) { - parser->body_length = Z_LVAL_P(h_cl); - php_http_message_parser_state_push(parser, 1, !parser->body_length?PHP_HTTP_MESSAGE_PARSER_STATE_BODY_DONE:PHP_HTTP_MESSAGE_PARSER_STATE_BODY_LENGTH); - break; - } + if (content_length >= 0) { + parser->body_length = content_length; + php_http_message_parser_state_push(parser, 1, !parser->body_length?PHP_HTTP_MESSAGE_PARSER_STATE_BODY_DONE:PHP_HTTP_MESSAGE_PARSER_STATE_BODY_LENGTH); + break; } - if (h_cr) { + if (content_range) { ulong total = 0, start = 0, end = 0; - if (!strncasecmp(Z_STRVAL_P(h_cr), "bytes", lenof("bytes")) - && ( Z_STRVAL_P(h_cr)[lenof("bytes")] == ':' - || Z_STRVAL_P(h_cr)[lenof("bytes")] == ' ' - || Z_STRVAL_P(h_cr)[lenof("bytes")] == '=' + if (!strncasecmp(content_range->val, "bytes", lenof("bytes")) + && ( content_range->val[lenof("bytes")] == ':' + || content_range->val[lenof("bytes")] == ' ' + || content_range->val[lenof("bytes")] == '=' ) ) { char *total_at = NULL, *end_at = NULL; - char *start_at = Z_STRVAL_P(h_cr) + sizeof("bytes"); + char *start_at = content_range->val + sizeof("bytes"); start = strtoul(start_at, &end_at, 10); if (end_at) { @@ -357,10 +349,13 @@ php_http_message_parser_state_t php_http_message_parser_parse(php_http_message_p if (end >= start && (!total || end < total)) { parser->body_length = end + 1 - start; php_http_message_parser_state_push(parser, 1, !parser->body_length?PHP_HTTP_MESSAGE_PARSER_STATE_BODY_DONE:PHP_HTTP_MESSAGE_PARSER_STATE_BODY_LENGTH); + zend_string_release(content_range); break; } } } + + zend_string_release(content_range); } -- 2.30.2