Update upstream source from tag 'upstream/2020.06.16'

[youtubedl] / youtube_dl / socks.py

diff --git a/youtube_dl/socks.py b/youtube_dl/socks.py
index fd49d74352c7d50e15956169f686c3ffbb107b5c..5d4adbe72de5d273a11f0fc2d66b7829c4bbfb37 100644 (file)
--- a/youtube_dl/socks.py
+++ b/youtube_dl/socks.py
@@ -55,12 +55,12 @@ class Socks5AddressType(object):
     ATYP_IPV6 = 0x04
 
 
-class ProxyError(IOError):
+class ProxyError(socket.error):
     ERR_SUCCESS = 0x00
 
     def __init__(self, code=None, msg=None):
         if code is not None and msg is None:
-            msg = self.CODES.get(code) and 'unknown error'
+            msg = self.CODES.get(code) or 'unknown error'
         super(ProxyError, self).__init__(code, msg)
 
 
@@ -76,7 +76,7 @@ class Socks4Error(ProxyError):
 
     CODES = {
         91: 'request rejected or failed',
-        92: 'request rejected becasue SOCKS server cannot connect to identd on the client',
+        92: 'request rejected because SOCKS server cannot connect to identd on the client',
         93: 'request rejected because the client program and identd report different user-ids'
     }
 
@@ -103,6 +103,7 @@ class ProxyType(object):
     SOCKS4A = 1
     SOCKS5 = 2
 
+
 Proxy = collections.namedtuple('Proxy', (
     'type', 'host', 'port', 'username', 'password', 'remote_dns'))
 
@@ -122,7 +123,7 @@ class sockssocket(socket.socket):
         while len(data) < cnt:
             cur = self.recv(cnt - len(data))
             if not cur:
-                raise IOError('{0} bytes missing'.format(cnt - len(data)))
+                raise EOFError('{0} bytes missing'.format(cnt - len(data)))
             data += cur
         return data
 
@@ -192,9 +193,10 @@ class sockssocket(socket.socket):
 
         self._check_response_version(SOCKS5_VERSION, version)
 
-        if method == Socks5Auth.AUTH_NO_ACCEPTABLE:
+        if method == Socks5Auth.AUTH_NO_ACCEPTABLE or (
+                method == Socks5Auth.AUTH_USER_PASS and (not self._proxy.username or not self._proxy.password)):
             self.close()
-            raise Socks5Error(method)
+            raise Socks5Error(Socks5Auth.AUTH_NO_ACCEPTABLE)
 
         if method == Socks5Auth.AUTH_USER_PASS:
             username = self._proxy.username.encode('utf-8')