Fix parsing backslashes in request-targets (#57)

Author: seanmonstar

src/lib.rs

@@ -71,7 +71,7 @@ static URI_MAP: [bool; 256] = byte_map![
 //  0  1  2  3  4  5  6  7  8  9  :  ;  <  =  >  ?
     1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
 //  @  A  B  C  D  E  F  G  H  I  J  K  L  M  N  O
-    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
 //  P  Q  R  S  T  U  V  W  X  Y  Z  [  \  ]  ^  _
     1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
 //  `  a  b  c  d  e  f  g  h  i  j  k  l  m  n  o
@@ -983,6 +983,17 @@ mod tests {
         }
     }
 
+    req! {
+        test_request_path_backslash,
+        b"\n\nGET /\\?wayne\\=5 HTTP/1.1\n\n",
+        |req| {
+            assert_eq!(req.method.unwrap(), "GET");
+            assert_eq!(req.path.unwrap(), "/\\?wayne\\=5");
+            assert_eq!(req.version.unwrap(), 1);
+            assert_eq!(req.headers.len(), 0);
+        }
+    }
+
     req! {
         test_request_with_invalid_token_delimiter,
         b"GET\n/ HTTP/1.1\r\nHost: foo.bar\r\n\r\n",

tests/uri.rs

@@ -2437,9 +2437,13 @@ req! {
 
 req! {
     urltest_174,
-    b"GET \\.\\./ HTTP/1.1\r\nHost: \r\n\r\n",
-    Err(Error::Token),
-    |_r| {}
+    b"GET \\.\\./ HTTP/1.1\r\n\r\n",
+    |req| {
+        assert_eq!(req.method.unwrap(), "GET");
+        assert_eq!(req.path.unwrap(), "\\.\\./");
+        assert_eq!(req.version.unwrap(), 1);
+        assert_eq!(req.headers.len(), 0);
+    }
 }