add lentient-host-header test and rename HOST lentient flag

Author: Vizonex

src/llhttp/constants.ts

@@ -83,7 +83,7 @@ export const LENIENT_FLAGS = {
   OPTIONAL_CR_BEFORE_LF: 1 << 8,
   SPACES_AFTER_CHUNK_SIZE: 1 << 9,
   HEADER_VALUE_RELAXED: 1 << 10,
-  HOST_RELAXED: 1 << 11,
+  HOST_HEADER: 1 << 11,
 } as const;
 
 export const STATUSES = {

src/llhttp/http.ts

@@ -551,11 +551,11 @@ export class HTTP {
   }
 
   private buildHostCheck(next: Node): Node {
-    // Check if the lentient flag given is not set to HOST_RELAXED
+    // Check if the lentient flag given is not set to HOST_HEADER
     // This will reject repetative versions of the host header
     const p = this.llparse;
     return this.testLenientFlags(
-      ~LENIENT_FLAGS.HOST_RELAXED, 
+      ~LENIENT_FLAGS.HOST_HEADER, 
       {1: next}, 
       this.testFlags(
         FLAGS.HOST_SEEN,
@@ -1189,7 +1189,7 @@ export class HTTP {
     // before leaving header state if Host is not set to being 
     // relaxed see if no host has been provided at all...
     return this.testLenientFlags(
-      ~LENIENT_FLAGS.HOST_RELAXED,
+      ~LENIENT_FLAGS.HOST_HEADER,
       {1:this.testFlags(
         FLAGS.HOST_SEEN, 
         {1: beforeHeadersComplete}, 

src/native/api.c

@@ -324,11 +324,11 @@ void llhttp_set_lenient_header_value_relaxed(llhttp_t* parser, int enabled) {
   }
 }
 
-void llhttp_set_lenient_host_relaxed(llhttp_t* parser, int enabled) {
+void llhttp_set_lenient_host_header(llhttp_t* parser, int enabled) {
   if (enabled) {
-    parser->lenient_flags |= LENIENT_HOST_RELAXED;
+    parser->lenient_flags |= LENIENT_HOST_HEADER;
   } else {
-    parser->lenient_flags &= ~LENIENT_HOST_RELAXED;
+    parser->lenient_flags &= ~LENIENT_HOST_HEADER;
   }
 }
 

src/native/api.h

@@ -376,7 +376,7 @@ void llhttp_set_lenient_header_value_relaxed(llhttp_t* parser, int enabled);
  * from being accepted.
  */
 LLHTTP_EXPORT
-void llhttp_set_lenient_host_relaxed(llhttp_t* parser, int enabled);
+void llhttp_set_lenient_host_header(llhttp_t* parser, int enabled);
 
 
 #ifdef __cplusplus