Bump llhttp to 6.0.2

third-party/llhttp/README.md

@@ -90,6 +90,7 @@ if (err == HPE_OK) {
           parser.reason);
 }
 ```
+For more information on API usage, please refer to [src/native/api.h](https://github.com/nodejs/llhttp/blob/master/src/native/api.h).
 
 ---
 

third-party/llhttp/include/llhttp.h

@@ -1,9 +1,9 @@
 #ifndef INCLUDE_LLHTTP_H_
 #define INCLUDE_LLHTTP_H_
 
-#define LLHTTP_VERSION_MAJOR 4
+#define LLHTTP_VERSION_MAJOR 6
 #define LLHTTP_VERSION_MINOR 0
-#define LLHTTP_VERSION_PATCH 0
+#define LLHTTP_VERSION_PATCH 2
 
 #ifndef LLHTTP_STRICT_MODE
 # define LLHTTP_STRICT_MODE 0
@@ -79,7 +79,8 @@ enum llhttp_errno {
   HPE_CB_CHUNK_COMPLETE = 20,
   HPE_PAUSED = 21,
   HPE_PAUSED_UPGRADE = 22,
-  HPE_USER = 23
+  HPE_PAUSED_H2_UPGRADE = 23,
+  HPE_USER = 24
 };
 typedef enum llhttp_errno llhttp_errno_t;
 
@@ -98,7 +99,8 @@ typedef enum llhttp_flags llhttp_flags_t;
 
 enum llhttp_lenient_flags {
   LENIENT_HEADERS = 0x1,
-  LENIENT_CHUNKED_LENGTH = 0x2
+  LENIENT_CHUNKED_LENGTH = 0x2,
+  LENIENT_KEEP_ALIVE = 0x4
 };
 typedef enum llhttp_lenient_flags llhttp_lenient_flags_t;
 
@@ -190,7 +192,8 @@ typedef enum llhttp_method llhttp_method_t;
   XX(20, CB_CHUNK_COMPLETE, CB_CHUNK_COMPLETE) \
   XX(21, PAUSED, PAUSED) \
   XX(22, PAUSED_UPGRADE, PAUSED_UPGRADE) \
-  XX(23, USER, USER) \
+  XX(23, PAUSED_H2_UPGRADE, PAUSED_H2_UPGRADE) \
+  XX(24, USER, USER) \
 
 
 #define HTTP_METHOD_MAP(XX) \
@@ -228,6 +231,60 @@ typedef enum llhttp_method llhttp_method_t;
   XX(31, LINK, LINK) \
   XX(32, UNLINK, UNLINK) \
   XX(33, SOURCE, SOURCE) \
+
+
+#define RTSP_METHOD_MAP(XX) \
+  XX(1, GET, GET) \
+  XX(3, POST, POST) \
+  XX(6, OPTIONS, OPTIONS) \
+  XX(35, DESCRIBE, DESCRIBE) \
+  XX(36, ANNOUNCE, ANNOUNCE) \
+  XX(37, SETUP, SETUP) \
+  XX(38, PLAY, PLAY) \
+  XX(39, PAUSE, PAUSE) \
+  XX(40, TEARDOWN, TEARDOWN) \
+  XX(41, GET_PARAMETER, GET_PARAMETER) \
+  XX(42, SET_PARAMETER, SET_PARAMETER) \
+  XX(43, REDIRECT, REDIRECT) \
+  XX(44, RECORD, RECORD) \
+  XX(45, FLUSH, FLUSH) \
+
+
+#define HTTP_ALL_METHOD_MAP(XX) \
+  XX(0, DELETE, DELETE) \
+  XX(1, GET, GET) \
+  XX(2, HEAD, HEAD) \
+  XX(3, POST, POST) \
+  XX(4, PUT, PUT) \
+  XX(5, CONNECT, CONNECT) \
+  XX(6, OPTIONS, OPTIONS) \
+  XX(7, TRACE, TRACE) \
+  XX(8, COPY, COPY) \
+  XX(9, LOCK, LOCK) \
+  XX(10, MKCOL, MKCOL) \
+  XX(11, MOVE, MOVE) \
+  XX(12, PROPFIND, PROPFIND) \
+  XX(13, PROPPATCH, PROPPATCH) \
+  XX(14, SEARCH, SEARCH) \
+  XX(15, UNLOCK, UNLOCK) \
+  XX(16, BIND, BIND) \
+  XX(17, REBIND, REBIND) \
+  XX(18, UNBIND, UNBIND) \
+  XX(19, ACL, ACL) \
+  XX(20, REPORT, REPORT) \
+  XX(21, MKACTIVITY, MKACTIVITY) \
+  XX(22, CHECKOUT, CHECKOUT) \
+  XX(23, MERGE, MERGE) \
+  XX(24, MSEARCH, M-SEARCH) \
+  XX(25, NOTIFY, NOTIFY) \
+  XX(26, SUBSCRIBE, SUBSCRIBE) \
+  XX(27, UNSUBSCRIBE, UNSUBSCRIBE) \
+  XX(28, PATCH, PATCH) \
+  XX(29, PURGE, PURGE) \
+  XX(30, MKCALENDAR, MKCALENDAR) \
+  XX(31, LINK, LINK) \
+  XX(32, UNLINK, UNLINK) \
+  XX(33, SOURCE, SOURCE) \
   XX(34, PRI, PRI) \
   XX(35, DESCRIBE, DESCRIBE) \
   XX(36, ANNOUNCE, ANNOUNCE) \
@@ -242,7 +299,6 @@ typedef enum llhttp_method llhttp_method_t;
   XX(45, FLUSH, FLUSH) \
 
 
-
 #ifdef __cplusplus
 }  /* extern "C" */
 #endif
@@ -255,6 +311,12 @@ extern "C" {
 #endif
 #include <stddef.h>
 
+#if defined(__wasm__)
+#define LLHTTP_EXPORT __attribute__((visibility("default")))
+#else
+#define LLHTTP_EXPORT
+#endif
+
 typedef llhttp__internal_t llhttp_t;
 typedef struct llhttp_settings_s llhttp_settings_t;
 
@@ -265,6 +327,7 @@ struct llhttp_settings_s {
   /* Possible return values 0, -1, `HPE_PAUSED` */
   llhttp_cb      on_message_begin;
 
+  /* Possible return values 0, -1, HPE_USER */
   llhttp_data_cb on_url;
   llhttp_data_cb on_status;
   llhttp_data_cb on_header_field;
@@ -281,6 +344,7 @@ struct llhttp_settings_s {
    */
   llhttp_cb      on_headers_complete;
 
+  /* Possible return values 0, -1, HPE_USER */
   llhttp_data_cb on_body;
 
   /* Possible return values 0, -1, `HPE_PAUSED` */
@@ -293,6 +357,7 @@ struct llhttp_settings_s {
   llhttp_cb      on_chunk_header;
   llhttp_cb      on_chunk_complete;
 
+  /* Information-only callbacks, return value is ignored */
   llhttp_cb      on_url_complete;
   llhttp_cb      on_status_complete;
   llhttp_cb      on_header_field_complete;
@@ -305,15 +370,46 @@ struct llhttp_settings_s {
  * the `parser` here. In practice, `settings` has to be either a static
  * variable or be allocated with `malloc`, `new`, etc.
  */
+LLHTTP_EXPORT
 void llhttp_init(llhttp_t* parser, llhttp_type_t type,
                  const llhttp_settings_t* settings);
 
+#if defined(__wasm__)
+
+LLHTTP_EXPORT
+llhttp_t* llhttp_alloc(llhttp_type_t type);
+
+LLHTTP_EXPORT
+void llhttp_free(llhttp_t* parser);
+
+LLHTTP_EXPORT
+uint8_t llhttp_get_type(llhttp_t* parser);
+
+LLHTTP_EXPORT
+uint8_t llhttp_get_http_major(llhttp_t* parser);
+
+LLHTTP_EXPORT
+uint8_t llhttp_get_http_minor(llhttp_t* parser);
+
+LLHTTP_EXPORT
+uint8_t llhttp_get_method(llhttp_t* parser);
+
+LLHTTP_EXPORT
+int llhttp_get_status_code(llhttp_t* parser);
+
+LLHTTP_EXPORT
+uint8_t llhttp_get_upgrade(llhttp_t* parser);
+
+#endif  // defined(__wasm__)
+
 /* Reset an already initialized parser back to the start state, preserving the
  * existing parser type, callback settings, user data, and lenient flags.
  */
+LLHTTP_EXPORT
 void llhttp_reset(llhttp_t* parser);
 
 /* Initialize the settings object */
+LLHTTP_EXPORT
 void llhttp_settings_init(llhttp_settings_t* settings);
 
 /* Parse full or partial request/response, invoking user callbacks along the
@@ -332,6 +428,7 @@ void llhttp_settings_init(llhttp_settings_t* settings);
  * to return the same error upon each successive call up until `llhttp_init()`
  * is called.
  */
+LLHTTP_EXPORT
 llhttp_errno_t llhttp_execute(llhttp_t* parser, const char* data, size_t len);
 
 /* This method should be called when the other side has no further bytes to
@@ -342,16 +439,19 @@ llhttp_errno_t llhttp_execute(llhttp_t* parser, const char* data, size_t len);
  * connection. This method will invoke `on_message_complete()` callback if the
  * request was terminated safely. Otherwise a error code would be returned.
  */
+LLHTTP_EXPORT
 llhttp_errno_t llhttp_finish(llhttp_t* parser);
 
 /* Returns `1` if the incoming message is parsed until the last byte, and has
  * to be completed by calling `llhttp_finish()` on EOF
  */
+LLHTTP_EXPORT
 int llhttp_message_needs_eof(const llhttp_t* parser);
 
 /* Returns `1` if there might be any other messages following the last that was
  * successfully parsed.
  */
+LLHTTP_EXPORT
 int llhttp_should_keep_alive(const llhttp_t* parser);
 
 /* Make further calls of `llhttp_execute()` return `HPE_PAUSED` and set
@@ -360,6 +460,7 @@ int llhttp_should_keep_alive(const llhttp_t* parser);
  * Important: do not call this from user callbacks! User callbacks must return
  * `HPE_PAUSED` if pausing is required.
  */
+LLHTTP_EXPORT
 void llhttp_pause(llhttp_t* parser);
 
 /* Might be called to resume the execution after the pause in user's callback.
@@ -367,6 +468,7 @@ void llhttp_pause(llhttp_t* parser);
  *
  * Call this only if `llhttp_execute()` returns `HPE_PAUSED`.
  */
+LLHTTP_EXPORT
 void llhttp_resume(llhttp_t* parser);
 
 /* Might be called to resume the execution after the pause in user's callback.
@@ -374,9 +476,11 @@ void llhttp_resume(llhttp_t* parser);
  *
  * Call this only if `llhttp_execute()` returns `HPE_PAUSED_UPGRADE`
  */
+LLHTTP_EXPORT
 void llhttp_resume_after_upgrade(llhttp_t* parser);
 
 /* Returns the latest return error */
+LLHTTP_EXPORT
 llhttp_errno_t llhttp_get_errno(const llhttp_t* parser);
 
 /* Returns the verbal explanation of the latest returned error.
@@ -384,6 +488,7 @@ llhttp_errno_t llhttp_get_errno(const llhttp_t* parser);
  * Note: User callback should set error reason when returning the error. See
  * `llhttp_set_error_reason()` for details.
  */
+LLHTTP_EXPORT
 const char* llhttp_get_error_reason(const llhttp_t* parser);
 
 /* Assign verbal description to the returned error. Must be called in user
@@ -391,6 +496,7 @@ const char* llhttp_get_error_reason(const llhttp_t* parser);
  *
  * Note: `HPE_USER` error code might be useful in user callbacks.
  */
+LLHTTP_EXPORT
 void llhttp_set_error_reason(llhttp_t* parser, const char* reason);
 
 /* Returns the pointer to the last parsed byte before the returned error. The
@@ -398,12 +504,15 @@ void llhttp_set_error_reason(llhttp_t* parser, const char* reason);
  *
  * Note: this method might be useful for counting the number of parsed bytes.
  */
+LLHTTP_EXPORT
 const char* llhttp_get_error_pos(const llhttp_t* parser);
 
 /* Returns textual name of error code */
+LLHTTP_EXPORT
 const char* llhttp_errno_name(llhttp_errno_t err);
 
 /* Returns textual name of HTTP method */
+LLHTTP_EXPORT
 const char* llhttp_method_name(llhttp_method_t method);
 
 
@@ -416,6 +525,7 @@ const char* llhttp_method_name(llhttp_method_t method);
  *
  * **(USE AT YOUR OWN RISK)**
  */
+LLHTTP_EXPORT
 void llhttp_set_lenient_headers(llhttp_t* parser, int enabled);
 
 
@@ -429,8 +539,23 @@ void llhttp_set_lenient_headers(llhttp_t* parser, int enabled);
  *
  * **(USE AT YOUR OWN RISK)**
  */
+LLHTTP_EXPORT
 void llhttp_set_lenient_chunked_length(llhttp_t* parser, int enabled);
 
+
+/* Enables/disables lenient handling of `Connection: close` and HTTP/1.0
+ * requests responses.
+ *
+ * Normally `llhttp` would error on (in strict mode) or discard (in loose mode)
+ * the HTTP request/response after the request/response with `Connection: close`
+ * and `Content-Length`. This is important to prevent cache poisoning attacks,
+ * but might interact badly with outdated and insecure clients. With this flag
+ * the extra request/response will be parsed normally.
+ *
+ * **(USE AT YOUR OWN RISK)**
+ */
+void llhttp_set_lenient_keep_alive(llhttp_t* parser, int enabled);
+
 #ifdef __cplusplus
 }  /* extern "C" */
 #endif

third-party/llhttp/src/api.c

@@ -4,7 +4,7 @@
 
 #include "llhttp.h"
 
-#define CALLBACK_MAYBE(PARSER, NAME, ...)                                     \
+#define CALLBACK_MAYBE(PARSER, NAME)                                          \
   do {                                                                        \
     const llhttp_settings_t* settings;                                        \
     settings = (const llhttp_settings_t*) (PARSER)->settings;                 \
@@ -12,7 +12,22 @@
       err = 0;                                                                \
       break;                                                                  \
     }                                                                         \
-    err = settings->NAME(__VA_ARGS__);                                        \
+    err = settings->NAME((PARSER));                                           \
+  } while (0)
+
+#define SPAN_CALLBACK_MAYBE(PARSER, NAME, START, LEN)                         \
+  do {                                                                        \
+    const llhttp_settings_t* settings;                                        \
+    settings = (const llhttp_settings_t*) (PARSER)->settings;                 \
+    if (settings == NULL || settings->NAME == NULL) {                         \
+      err = 0;                                                                \
+      break;                                                                  \
+    }                                                                         \
+    err = settings->NAME((PARSER), (START), (LEN));                           \
+    if (err == -1) {                                                          \
+      err = HPE_USER;                                                         \
+      llhttp_set_error_reason((PARSER), "Span callback error in " #NAME);     \
+    }                                                                         \
   } while (0)
 
 void llhttp_init(llhttp_t* parser, llhttp_type_t type,
@@ -24,6 +39,70 @@ void llhttp_init(llhttp_t* parser, llhttp_type_t type,
 }
 
 
+#if defined(__wasm__)
+
+extern int wasm_on_message_begin(llhttp_t * p);
+extern int wasm_on_url(llhttp_t* p, const char* at, size_t length);
+extern int wasm_on_status(llhttp_t* p, const char* at, size_t length);
+extern int wasm_on_header_field(llhttp_t* p, const char* at, size_t length);
+extern int wasm_on_header_value(llhttp_t* p, const char* at, size_t length);
+extern int wasm_on_headers_complete(llhttp_t * p);
+extern int wasm_on_body(llhttp_t* p, const char* at, size_t length);
+extern int wasm_on_message_complete(llhttp_t * p);
+
+const llhttp_settings_t wasm_settings = {
+  wasm_on_message_begin,
+  wasm_on_url,
+  wasm_on_status,
+  wasm_on_header_field,
+  wasm_on_header_value,
+  wasm_on_headers_complete,
+  wasm_on_body,
+  wasm_on_message_complete,
+  NULL,
+  NULL,
+};
+
+
+llhttp_t* llhttp_alloc(llhttp_type_t type) {
+  llhttp_t* parser = malloc(sizeof(llhttp_t));
+  llhttp_init(parser, type, &wasm_settings);
+  return parser;
+}
+
+void llhttp_free(llhttp_t* parser) {
+  free(parser);
+}
+
+/* Some getters required to get stuff from the parser */
+
+uint8_t llhttp_get_type(llhttp_t* parser) {
+  return parser->type;
+}
+
+uint8_t llhttp_get_http_major(llhttp_t* parser) {
+  return parser->http_major;
+}
+
+uint8_t llhttp_get_http_minor(llhttp_t* parser) {
+  return parser->http_minor;
+}
+
+uint8_t llhttp_get_method(llhttp_t* parser) {
+  return parser->method;
+}
+
+int llhttp_get_status_code(llhttp_t* parser) {
+  return parser->status_code;
+}
+
+uint8_t llhttp_get_upgrade(llhttp_t* parser) {
+  return parser->upgrade;
+}
+
+#endif  // defined(__wasm__)
+
+
 void llhttp_reset(llhttp_t* parser) {
   llhttp_type_t type = parser->type;
   const llhttp_settings_t* settings = parser->settings;
@@ -59,7 +138,7 @@ llhttp_errno_t llhttp_finish(llhttp_t* parser) {
 
   switch (parser->finish) {
     case HTTP_FINISH_SAFE_WITH_CB:
-      CALLBACK_MAYBE(parser, on_message_complete, parser);
+      CALLBACK_MAYBE(parser, on_message_complete);
       if (err != HPE_OK) return err;
 
     /* FALLTHROUGH */
@@ -135,7 +214,7 @@ const char* llhttp_errno_name(llhttp_errno_t err) {
 const char* llhttp_method_name(llhttp_method_t method) {
 #define HTTP_METHOD_GEN(NUM, NAME, STRING) case HTTP_##NAME: return #STRING;
   switch (method) {
-    HTTP_METHOD_MAP(HTTP_METHOD_GEN)
+    HTTP_ALL_METHOD_MAP(HTTP_METHOD_GEN)
     default: abort();
   }
 #undef HTTP_METHOD_GEN
@@ -150,6 +229,7 @@ void llhttp_set_lenient_headers(llhttp_t* parser, int enabled) {
   }
 }
 
+
 void llhttp_set_lenient_chunked_length(llhttp_t* parser, int enabled) {
   if (enabled) {
     parser->lenient_flags |= LENIENT_CHUNKED_LENGTH;
@@ -159,103 +239,111 @@ void llhttp_set_lenient_chunked_length(llhttp_t* parser, int enabled) {
 }
 
 
+void llhttp_set_lenient_keep_alive(llhttp_t* parser, int enabled) {
+  if (enabled) {
+    parser->lenient_flags |= LENIENT_KEEP_ALIVE;
+  } else {
+    parser->lenient_flags &= ~LENIENT_KEEP_ALIVE;
+  }
+}
+
 /* Callbacks */
 
 
 int llhttp__on_message_begin(llhttp_t* s, const char* p, const char* endp) {
   int err;
-  CALLBACK_MAYBE(s, on_message_begin, s);
+  CALLBACK_MAYBE(s, on_message_begin);
   return err;
 }
 
 
 int llhttp__on_url(llhttp_t* s, const char* p, const char* endp) {
   int err;
-  CALLBACK_MAYBE(s, on_url, s, p, endp - p);
+  SPAN_CALLBACK_MAYBE(s, on_url, p, endp - p);
   return err;
 }
 
 
 int llhttp__on_url_complete(llhttp_t* s, const char* p, const char* endp) {
   int err;
-  CALLBACK_MAYBE(s, on_url_complete, s);
+  CALLBACK_MAYBE(s, on_url_complete);
   return err;
 }
 
 
 int llhttp__on_status(llhttp_t* s, const char* p, const char* endp) {
   int err;
-  CALLBACK_MAYBE(s, on_status, s, p, endp - p);
+  SPAN_CALLBACK_MAYBE(s, on_status, p, endp - p);
   return err;
 }
 
 
 int llhttp__on_status_complete(llhttp_t* s, const char* p, const char* endp) {
   int err;
-  CALLBACK_MAYBE(s, on_status_complete, s);
+  CALLBACK_MAYBE(s, on_status_complete);
   return err;
 }
 
 
 int llhttp__on_header_field(llhttp_t* s, const char* p, const char* endp) {
   int err;
-  CALLBACK_MAYBE(s, on_header_field, s, p, endp - p);
+  SPAN_CALLBACK_MAYBE(s, on_header_field, p, endp - p);
   return err;
 }
 
 
 int llhttp__on_header_field_complete(llhttp_t* s, const char* p, const char* endp) {
   int err;
-  CALLBACK_MAYBE(s, on_header_field_complete, s);
+  CALLBACK_MAYBE(s, on_header_field_complete);
   return err;
 }
 
 
 int llhttp__on_header_value(llhttp_t* s, const char* p, const char* endp) {
   int err;
-  CALLBACK_MAYBE(s, on_header_value, s, p, endp - p);
+  SPAN_CALLBACK_MAYBE(s, on_header_value, p, endp - p);
   return err;
 }
 
 
 int llhttp__on_header_value_complete(llhttp_t* s, const char* p, const char* endp) {
   int err;
-  CALLBACK_MAYBE(s, on_header_value_complete, s);
+  CALLBACK_MAYBE(s, on_header_value_complete);
   return err;
 }
 
 
 int llhttp__on_headers_complete(llhttp_t* s, const char* p, const char* endp) {
   int err;
-  CALLBACK_MAYBE(s, on_headers_complete, s);
+  CALLBACK_MAYBE(s, on_headers_complete);
   return err;
 }
 
 
 int llhttp__on_message_complete(llhttp_t* s, const char* p, const char* endp) {
   int err;
-  CALLBACK_MAYBE(s, on_message_complete, s);
+  CALLBACK_MAYBE(s, on_message_complete);
   return err;
 }
 
 
 int llhttp__on_body(llhttp_t* s, const char* p, const char* endp) {
   int err;
-  CALLBACK_MAYBE(s, on_body, s, p, endp - p);
+  SPAN_CALLBACK_MAYBE(s, on_body, p, endp - p);
   return err;
 }
 
 
 int llhttp__on_chunk_header(llhttp_t* s, const char* p, const char* endp) {
   int err;
-  CALLBACK_MAYBE(s, on_chunk_header, s);
+  CALLBACK_MAYBE(s, on_chunk_header);
   return err;
 }
 
 
 int llhttp__on_chunk_complete(llhttp_t* s, const char* p, const char* endp) {
   int err;
-  CALLBACK_MAYBE(s, on_chunk_complete, s);
+  CALLBACK_MAYBE(s, on_chunk_complete);
   return err;
 }
 

third-party/llhttp/src/llhttp.c

@@ -627,6 +627,13 @@ int llhttp__internal__c_update_finish_1(
   return 0;
 }
 
+int llhttp__internal__c_test_lenient_flags(
+    llhttp__internal_t* state,
+    const unsigned char* p,
+    const unsigned char* endp) {
+  return (state->lenient_flags & 4) == 4;
+}
+
 int llhttp__internal__c_test_flags_1(
     llhttp__internal_t* state,
     const unsigned char* p,
@@ -634,7 +641,7 @@ int llhttp__internal__c_test_flags_1(
   return (state->flags & 544) == 544;
 }
 
-int llhttp__internal__c_test_lenient_flags(
+int llhttp__internal__c_test_lenient_flags_1(
     llhttp__internal_t* state,
     const unsigned char* p,
     const unsigned char* endp) {
@@ -802,7 +809,7 @@ int llhttp__internal__c_update_header_state_2(
   return 0;
 }
 
-int llhttp__internal__c_test_lenient_flags_1(
+int llhttp__internal__c_test_lenient_flags_2(
     llhttp__internal_t* state,
     const unsigned char* p,
     const unsigned char* endp) {
@@ -1661,7 +1668,7 @@ static llparse_state_t llhttp__internal__run(
           goto s_n_llhttp__internal__n_span_end_llhttp__on_header_value_2;
         }
         default: {
-          goto s_n_llhttp__internal__n_invoke_test_lenient_flags_1;
+          goto s_n_llhttp__internal__n_invoke_test_lenient_flags_2;
         }
       }
       /* UNREACHABLE */;
@@ -5733,10 +5740,20 @@ static llparse_state_t llhttp__internal__run(
     /* UNREACHABLE */;
     abort();
   }
+  s_n_llhttp__internal__n_invoke_test_lenient_flags: {
+    switch (llhttp__internal__c_test_lenient_flags(state, p, endp)) {
+      case 1:
+        goto s_n_llhttp__internal__n_invoke_update_finish_2;
+      default:
+        goto s_n_llhttp__internal__n_closed;
+    }
+    /* UNREACHABLE */;
+    abort();
+  }
   s_n_llhttp__internal__n_invoke_update_finish_1: {
     switch (llhttp__internal__c_update_finish_1(state, p, endp)) {
       default:
-        goto s_n_llhttp__internal__n_closed;
+        goto s_n_llhttp__internal__n_invoke_test_lenient_flags;
     }
     /* UNREACHABLE */;
     abort();
@@ -6098,8 +6115,8 @@ static llparse_state_t llhttp__internal__run(
     /* UNREACHABLE */;
     abort();
   }
-  s_n_llhttp__internal__n_invoke_test_lenient_flags: {
+  s_n_llhttp__internal__n_invoke_test_lenient_flags_1: {
-    switch (llhttp__internal__c_test_lenient_flags(state, p, endp)) {
+    switch (llhttp__internal__c_test_lenient_flags_1(state, p, endp)) {
       case 0:
         goto s_n_llhttp__internal__n_error_15;
       default:
@@ -6111,7 +6128,7 @@ static llparse_state_t llhttp__internal__run(
   s_n_llhttp__internal__n_invoke_test_flags_1: {
     switch (llhttp__internal__c_test_flags_1(state, p, endp)) {
       case 1:
-        goto s_n_llhttp__internal__n_invoke_test_lenient_flags;
+        goto s_n_llhttp__internal__n_invoke_test_lenient_flags_1;
       default:
         goto s_n_llhttp__internal__n_invoke_llhttp__before_headers_complete;
     }
@@ -6365,8 +6382,8 @@ static llparse_state_t llhttp__internal__run(
     /* UNREACHABLE */;
     abort();
   }
-  s_n_llhttp__internal__n_invoke_test_lenient_flags_1: {
+  s_n_llhttp__internal__n_invoke_test_lenient_flags_2: {
-    switch (llhttp__internal__c_test_lenient_flags_1(state, p, endp)) {
+    switch (llhttp__internal__c_test_lenient_flags_2(state, p, endp)) {
       case 1:
         goto s_n_llhttp__internal__n_header_value_lenient;
       default:
@@ -6727,7 +6744,7 @@ static llparse_state_t llhttp__internal__run(
     abort();
   }
   s_n_llhttp__internal__n_error_29: {
-    state->error = 0x16;
+    state->error = 0x17;
     state->reason = "Pause on PRI/Upgrade";
     state->error_pos = (const char*) p;
     state->_current = (void*) (intptr_t) s_error;
@@ -7906,6 +7923,7 @@ reset:
 
 enum llparse_state_e {
   s_error,
+  s_n_llhttp__internal__n_closed,
   s_n_llhttp__internal__n_invoke_llhttp__after_message_complete,
   s_n_llhttp__internal__n_pause_1,
   s_n_llhttp__internal__n_invoke_is_equal_upgrade,
@@ -8199,6 +8217,13 @@ int llhttp__internal__c_update_finish_1(
   return 0;
 }
 
+int llhttp__internal__c_test_lenient_flags(
+    llhttp__internal_t* state,
+    const unsigned char* p,
+    const unsigned char* endp) {
+  return (state->lenient_flags & 4) == 4;
+}
+
 int llhttp__internal__c_test_flags_1(
     llhttp__internal_t* state,
     const unsigned char* p,
@@ -8206,7 +8231,7 @@ int llhttp__internal__c_test_flags_1(
   return (state->flags & 544) == 544;
 }
 
-int llhttp__internal__c_test_lenient_flags(
+int llhttp__internal__c_test_lenient_flags_1(
     llhttp__internal_t* state,
     const unsigned char* p,
     const unsigned char* endp) {
@@ -8278,7 +8303,7 @@ int llhttp__internal__c_or_flags(
   return 0;
 }
 
-int llhttp__internal__c_update_finish_2(
+int llhttp__internal__c_update_finish_3(
     llhttp__internal_t* state,
     const unsigned char* p,
     const unsigned char* endp) {
@@ -8374,7 +8399,7 @@ int llhttp__internal__c_update_header_state_2(
   return 0;
 }
 
-int llhttp__internal__c_test_lenient_flags_1(
+int llhttp__internal__c_test_lenient_flags_2(
     llhttp__internal_t* state,
     const unsigned char* p,
     const unsigned char* endp) {
@@ -8574,9 +8599,21 @@ static llparse_state_t llhttp__internal__run(
     const unsigned char* endp) {
   int match;
   switch ((llparse_state_t) (intptr_t) state->_current) {
+    case s_n_llhttp__internal__n_closed:
+    s_n_llhttp__internal__n_closed: {
+      if (p == endp) {
+        return s_n_llhttp__internal__n_closed;
+      }
+      p++;
+      goto s_n_llhttp__internal__n_closed;
+      /* UNREACHABLE */;
+      abort();
+    }
     case s_n_llhttp__internal__n_invoke_llhttp__after_message_complete:
     s_n_llhttp__internal__n_invoke_llhttp__after_message_complete: {
       switch (llhttp__after_message_complete(state, p, endp)) {
+        case 1:
+          goto s_n_llhttp__internal__n_invoke_update_finish_2;
         default:
           goto s_n_llhttp__internal__n_invoke_update_finish_1;
       }
@@ -9045,7 +9082,7 @@ static llparse_state_t llhttp__internal__run(
         case 3:
           goto s_n_llhttp__internal__n_span_start_llhttp__on_body_1;
         case 4:
-          goto s_n_llhttp__internal__n_invoke_update_finish_2;
+          goto s_n_llhttp__internal__n_invoke_update_finish_3;
         case 5:
           goto s_n_llhttp__internal__n_error_10;
         default:
@@ -9184,7 +9221,7 @@ static llparse_state_t llhttp__internal__run(
           goto s_n_llhttp__internal__n_span_end_llhttp__on_header_value_2;
         }
         default: {
-          goto s_n_llhttp__internal__n_invoke_test_lenient_flags_1;
+          goto s_n_llhttp__internal__n_invoke_test_lenient_flags_2;
         }
       }
       /* UNREACHABLE */;
@@ -13077,7 +13114,7 @@ static llparse_state_t llhttp__internal__run(
     /* UNREACHABLE */;
     abort();
   }
-  s_n_llhttp__internal__n_invoke_update_finish_1: {
+  s_n_llhttp__internal__n_invoke_update_finish_2: {
     switch (llhttp__internal__c_update_finish_1(state, p, endp)) {
       default:
         goto s_n_llhttp__internal__n_start;
@@ -13085,6 +13122,24 @@ static llparse_state_t llhttp__internal__run(
     /* UNREACHABLE */;
     abort();
   }
+  s_n_llhttp__internal__n_invoke_test_lenient_flags: {
+    switch (llhttp__internal__c_test_lenient_flags(state, p, endp)) {
+      case 1:
+        goto s_n_llhttp__internal__n_invoke_update_finish_2;
+      default:
+        goto s_n_llhttp__internal__n_closed;
+    }
+    /* UNREACHABLE */;
+    abort();
+  }
+  s_n_llhttp__internal__n_invoke_update_finish_1: {
+    switch (llhttp__internal__c_update_finish_1(state, p, endp)) {
+      default:
+        goto s_n_llhttp__internal__n_invoke_test_lenient_flags;
+    }
+    /* UNREACHABLE */;
+    abort();
+  }
   s_n_llhttp__internal__n_pause_5: {
     state->error = 0x15;
     state->reason = "on_message_complete pause";
@@ -13311,8 +13366,8 @@ static llparse_state_t llhttp__internal__run(
     /* UNREACHABLE */;
     abort();
   }
-  s_n_llhttp__internal__n_invoke_update_finish_2: {
+  s_n_llhttp__internal__n_invoke_update_finish_3: {
-    switch (llhttp__internal__c_update_finish_2(state, p, endp)) {
+    switch (llhttp__internal__c_update_finish_3(state, p, endp)) {
       default:
         goto s_n_llhttp__internal__n_span_start_llhttp__on_body_2;
     }
@@ -13424,8 +13479,8 @@ static llparse_state_t llhttp__internal__run(
     /* UNREACHABLE */;
     abort();
   }
-  s_n_llhttp__internal__n_invoke_test_lenient_flags: {
+  s_n_llhttp__internal__n_invoke_test_lenient_flags_1: {
-    switch (llhttp__internal__c_test_lenient_flags(state, p, endp)) {
+    switch (llhttp__internal__c_test_lenient_flags_1(state, p, endp)) {
       case 0:
         goto s_n_llhttp__internal__n_error_11;
       default:
@@ -13437,7 +13492,7 @@ static llparse_state_t llhttp__internal__run(
   s_n_llhttp__internal__n_invoke_test_flags_1: {
     switch (llhttp__internal__c_test_flags_1(state, p, endp)) {
       case 1:
-        goto s_n_llhttp__internal__n_invoke_test_lenient_flags;
+        goto s_n_llhttp__internal__n_invoke_test_lenient_flags_1;
       default:
         goto s_n_llhttp__internal__n_invoke_llhttp__before_headers_complete;
     }
@@ -13673,8 +13728,8 @@ static llparse_state_t llhttp__internal__run(
     /* UNREACHABLE */;
     abort();
   }
-  s_n_llhttp__internal__n_invoke_test_lenient_flags_1: {
+  s_n_llhttp__internal__n_invoke_test_lenient_flags_2: {
-    switch (llhttp__internal__c_test_lenient_flags_1(state, p, endp)) {
+    switch (llhttp__internal__c_test_lenient_flags_2(state, p, endp)) {
       case 1:
         goto s_n_llhttp__internal__n_header_value_lenient;
       default:
@@ -14035,7 +14090,7 @@ static llparse_state_t llhttp__internal__run(
     abort();
   }
   s_n_llhttp__internal__n_error_23: {
-    state->error = 0x16;
+    state->error = 0x17;
     state->reason = "Pause on PRI/Upgrade";
     state->error_pos = (const char*) p;
     state->_current = (void*) (intptr_t) s_error;