deps: update llhttp to 9.1.3

PR-URL: nodejs#50080
Reviewed-By: Paolo Insogna <paolo@cowtech.it>
Reviewed-By: Marco Ippolito <marcoippolito54@gmail.com>
Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Michael Dawson <midawson@redhat.com>

Author: nodejs-github-bot

deps/llhttp/CMakeLists.txt

@@ -1,7 +1,7 @@
 cmake_minimum_required(VERSION 3.5.1)
 cmake_policy(SET CMP0069 NEW)
 
-project(llhttp VERSION 8.1.1)
+project(llhttp VERSION 9.1.3)
 include(GNUInstallDirs)
 
 set(CMAKE_C_STANDARD 99)

deps/llhttp/include/llhttp.h

@@ -3,11 +3,7 @@
 
 #define LLHTTP_VERSION_MAJOR 8
 #define LLHTTP_VERSION_MINOR 1
-#define LLHTTP_VERSION_PATCH 1
-
-#ifndef LLHTTP_STRICT_MODE
-# define LLHTTP_STRICT_MODE 0
-#endif
+#define LLHTTP_VERSION_PATCH 3
 
 #ifndef INCLUDE_LLHTTP_ITSELF_H_
 #define INCLUDE_LLHTTP_ITSELF_H_

deps/llhttp/src/api.c

@@ -126,7 +126,7 @@ void llhttp_reset(llhttp_t* parser) {
   llhttp_type_t type = parser->type;
   const llhttp_settings_t* settings = parser->settings;
   void* data = parser->data;
-  uint8_t lenient_flags = parser->lenient_flags;
+  uint16_t lenient_flags = parser->lenient_flags;
 
   llhttp__internal_init(parser);
 

deps/llhttp/src/http.c

@@ -39,13 +39,33 @@ int llhttp__after_headers_complete(llhttp_t* parser, const char* p,
   int hasBody;
 
   hasBody = parser->flags & F_CHUNKED || parser->content_length > 0;
-  if (parser->upgrade && (parser->method == HTTP_CONNECT ||
-                          (parser->flags & F_SKIPBODY) || !hasBody)) {
+  if (
+      (parser->upgrade && (parser->method == HTTP_CONNECT ||
+                          (parser->flags & F_SKIPBODY) || !hasBody)) ||
+      /* See RFC 2616 section 4.4 - 1xx e.g. Continue */
+      (parser->type == HTTP_RESPONSE && parser->status_code == 101)
+  ) {
     /* Exit, the rest of the message is in a different protocol. */
     return 1;
   }
 
-  if (parser->flags & F_SKIPBODY) {
+  if (parser->type == HTTP_RESPONSE && parser->status_code == 100) {
+    /* No body, restart as the message is complete */
+    return 0;
+  }
+
+  /* See RFC 2616 section 4.4 */
+  if (
+    parser->flags & F_SKIPBODY ||         /* response to a HEAD request */
+    (
+      parser->type == HTTP_RESPONSE && (
+        parser->status_code == 102 ||     /* Processing */
+        parser->status_code == 103 ||     /* Early Hints */
+        parser->status_code == 204 ||     /* No Content */
+        parser->status_code == 304        /* Not Modified */
+      )
+    )
+  ) {
     return 0;
   } else if (parser->flags & F_CHUNKED) {
     /* chunked encoding - ignore Content-Length header, prepare for a chunk */