deps: update http-parser to http-parser@ec8b5ee63f

PR-URL: nodejs-private/node-private#236
Reviewed-By: Fedor Indutny <fedor.indutny@gmail.com>

deps/http_parser/Makefile

@@ -24,7 +24,7 @@ BINEXT ?=
 SOLIBNAME = libhttp_parser
 SOMAJOR = 2
 SOMINOR = 9
-SOREV   = 3
+SOREV   = 4
 ifeq (darwin,$(PLATFORM))
 SOEXT ?= dylib
 SONAME ?= $(SOLIBNAME).$(SOMAJOR).$(SOMINOR).$(SOEXT)

deps/http_parser/README.md

@@ -1,6 +1,9 @@
 HTTP Parser
 ===========
 
+http-parser is [**not** actively maintained](https://github.com/nodejs/http-parser/issues/522).
+New projects and projects looking to migrate should consider [llhttp](https://github.com/nodejs/llhttp).
+
 [![Build Status](https://api.travis-ci.org/nodejs/http-parser.svg?branch=master)](https://travis-ci.org/nodejs/http-parser)
 
 This is a parser for HTTP messages written in C. It parses both requests and

deps/http_parser/fuzzers/fuzz_parser.c

@@ -0,0 +1,26 @@
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+#include "http_parser.h"
+
+int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
+{
+  static const http_parser_settings settings_null = {
+    .on_message_begin = 0
+    , .on_header_field = 0
+    ,.on_header_value = 0
+    ,.on_url = 0
+    ,.on_status = 0
+    ,.on_body = 0
+    ,.on_headers_complete = 0
+    ,.on_message_complete = 0
+    ,.on_chunk_header = 0
+    ,.on_chunk_complete = 0
+  };
+
+  http_parser parser;
+  http_parser_init(&parser, HTTP_BOTH);
+  http_parser_execute(&parser, &settings_null, (char*)data, size);
+
+  return 0;
+}

deps/http_parser/fuzzers/fuzz_url.c

@@ -0,0 +1,14 @@
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+#include "http_parser.h"
+
+int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
+{
+  struct http_parser_url u;
+  http_parser_url_init(&u);
+  http_parser_parse_url((char*)data, size, 0, &u);
+  http_parser_parse_url((char*)data, size, 1, &u);
+
+  return 0;
+}

deps/http_parser/http_parser.c

@@ -653,6 +653,8 @@ size_t http_parser_execute (http_parser *parser,
   const char *status_mark = 0;
   enum state p_state = (enum state) parser->state;
   const unsigned int lenient = parser->lenient_http_headers;
+  const unsigned int allow_chunked_length = parser->allow_chunked_length;
+
   uint32_t nread = parser->nread;
 
   /* We're in an error state. Don't bother doing anything. */
@@ -731,6 +733,7 @@ size_t http_parser_execute (http_parser *parser,
         if (ch == CR || ch == LF)
           break;
         parser->flags = 0;
+        parser->uses_transfer_encoding = 0;
         parser->content_length = ULLONG_MAX;
 
         if (ch == 'H') {
@@ -768,6 +771,7 @@ size_t http_parser_execute (http_parser *parser,
         if (ch == CR || ch == LF)
           break;
         parser->flags = 0;
+        parser->uses_transfer_encoding = 0;
         parser->content_length = ULLONG_MAX;
 
         if (ch == 'H') {
@@ -925,6 +929,7 @@ size_t http_parser_execute (http_parser *parser,
         if (ch == CR || ch == LF)
           break;
         parser->flags = 0;
+        parser->uses_transfer_encoding = 0;
         parser->content_length = ULLONG_MAX;
 
         if (UNLIKELY(!IS_ALPHA(ch))) {
@@ -1338,7 +1343,7 @@ size_t http_parser_execute (http_parser *parser,
                 parser->header_state = h_general;
               } else if (parser->index == sizeof(TRANSFER_ENCODING)-2) {
                 parser->header_state = h_transfer_encoding;
-                parser->flags |= F_TRANSFER_ENCODING;
+                parser->uses_transfer_encoding = 1;
               }
               break;
 
@@ -1798,14 +1803,19 @@ size_t http_parser_execute (http_parser *parser,
           REEXECUTE();
         }
 
-        /* Cannot us transfer-encoding and a content-length header together
+        /* Cannot use transfer-encoding and a content-length header together
            per the HTTP specification. (RFC 7230 Section 3.3.3) */
-        if ((parser->flags & F_TRANSFER_ENCODING) &&
+        if ((parser->uses_transfer_encoding == 1) &&
             (parser->flags & F_CONTENTLENGTH)) {
           /* Allow it for lenient parsing as long as `Transfer-Encoding` is
-           * not `chunked`
+           * not `chunked` or allow_length_with_encoding is set
            */
-          if (!lenient || (parser->flags & F_CHUNKED)) {
+          if (parser->flags & F_CHUNKED) {
+            if (!allow_chunked_length) {
+              SET_ERRNO(HPE_UNEXPECTED_CONTENT_LENGTH);
+              goto error;
+            }
+          } else if (!lenient) {
             SET_ERRNO(HPE_UNEXPECTED_CONTENT_LENGTH);
             goto error;
           }
@@ -1886,7 +1896,7 @@ size_t http_parser_execute (http_parser *parser,
           /* chunked encoding - ignore Content-Length header,
            * prepare for a chunk */
           UPDATE_STATE(s_chunk_size_start);
-        } else if (parser->flags & F_TRANSFER_ENCODING) {
+        } else if (parser->uses_transfer_encoding == 1) {
           if (parser->type == HTTP_REQUEST && !lenient) {
             /* RFC 7230 3.3.3 */
 
@@ -2162,7 +2172,7 @@ http_message_needs_eof (const http_parser *parser)
   }
 
   /* RFC 7230 3.3.3, see `s_headers_almost_done` */
-  if ((parser->flags & F_TRANSFER_ENCODING) &&
+  if ((parser->uses_transfer_encoding == 1) &&
       (parser->flags & F_CHUNKED) == 0) {
     return 1;
   }
@@ -2514,7 +2524,7 @@ http_parser_parse_url(const char *buf, size_t buflen, int is_connect,
     end = buf + off + len;
 
     /* NOTE: The characters are already validated and are in the [0-9] range */
-    assert(off + len <= buflen && "Port number overflow");
+    assert((size_t) (off + len) <= buflen && "Port number overflow");
     v = 0;
     for (p = buf + off; p < end; p++) {
       v *= 10;

deps/http_parser/http_parser.h

@@ -27,7 +27,7 @@ extern "C" {
 /* Also update SONAME in the Makefile whenever you change these. */
 #define HTTP_PARSER_VERSION_MAJOR 2
 #define HTTP_PARSER_VERSION_MINOR 9
-#define HTTP_PARSER_VERSION_PATCH 3
+#define HTTP_PARSER_VERSION_PATCH 4
 
 #include <stddef.h>
 #if defined(_WIN32) && !defined(__MINGW32__) && \
@@ -41,6 +41,8 @@ typedef __int32 int32_t;
 typedef unsigned __int32 uint32_t;
 typedef __int64 int64_t;
 typedef unsigned __int64 uint64_t;
+#elif (defined(__sun) || defined(__sun__)) && defined(__SunOS_5_9)
+#include <sys/inttypes.h>
 #else
 #include <stdint.h>
 #endif
@@ -225,7 +227,6 @@ enum flags
   , F_UPGRADE               = 1 << 5
   , F_SKIPBODY              = 1 << 6
   , F_CONTENTLENGTH         = 1 << 7
-  , F_TRANSFER_ENCODING     = 1 << 8
   };
 
 
@@ -272,13 +273,13 @@ enum flags
      "unexpected content-length header")                             \
   XX(INVALID_CHUNK_SIZE,                                             \
      "invalid character in chunk size header")                       \
-  XX(INVALID_TRANSFER_ENCODING,                                      \
-     "request has invalid transfer-encoding")                        \
   XX(INVALID_CONSTANT, "invalid constant string")                    \
   XX(INVALID_INTERNAL_STATE, "encountered unexpected internal state")\
   XX(STRICT, "strict mode assertion failed")                         \
   XX(PAUSED, "parser is paused")                                     \
-  XX(UNKNOWN, "an unknown error occurred")
+  XX(UNKNOWN, "an unknown error occurred")                           \
+  XX(INVALID_TRANSFER_ENCODING,                                      \
+     "request has invalid transfer-encoding")                        \
 
 
 /* Define HPE_* values for each errno value above */
@@ -296,14 +297,20 @@ enum http_errno {
 struct http_parser {
   /** PRIVATE **/
   unsigned int type : 2;         /* enum http_parser_type */
+  unsigned int flags : 8;       /* F_* values from 'flags' enum; semi-public */
   unsigned int state : 7;        /* enum state from http_parser.c */
   unsigned int header_state : 7; /* enum header_state from http_parser.c */
-  unsigned int index : 7;        /* index into current matcher */
+  unsigned int index : 5;        /* index into current matcher */
+  unsigned int uses_transfer_encoding : 1; /* Transfer-Encoding header is present */
+  unsigned int allow_chunked_length : 1; /* Allow headers with both
+                                          * `Content-Length` and
+                                          * `Transfer-Encoding: chunked` set */
   unsigned int lenient_http_headers : 1;
-  unsigned int flags : 16;       /* F_* values from 'flags' enum; semi-public */
 
   uint32_t nread;          /* # bytes read in various scenarios */
-  uint64_t content_length; /* # bytes in body (0 if no Content-Length header) */
+  uint64_t content_length; /* # bytes in body. `(uint64_t) -1` (all bits one)
+                            * if no Content-Length header.
+                            */
 
   /** READ-ONLY **/
   unsigned short http_major;