From b28094833a971870fd8c07960b3b12bf6fbbaad3 Mon Sep 17 00:00:00 2001
From: Daniel Stenberg <daniel@haxx.se>
Date: Fri, 2 Nov 2018 15:11:16 +0100
Subject: URL: fix IPv6 numeral address parser

Regression from 46e164069d1a52. Extended test 1560 to verify.

Reported-by: tpaukrt on github
Fixes #3218
Closes #3219
---
 lib/urlapi.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

(limited to 'lib')

diff --git a/lib/urlapi.c b/lib/urlapi.c
index c53e52343..18a6076ff 100644
--- a/lib/urlapi.c
+++ b/lib/urlapi.c
@@ -499,8 +499,12 @@ static CURLUcode parse_port(struct Curl_URL *u, char *hostname)
      (']' == endbracket)) {
     /* this is a RFC2732-style specified IP-address */
     portptr = &hostname[len];
-    if (*portptr != ':')
-      return CURLUE_MALFORMED_INPUT;
+    if(*portptr) {
+      if(*portptr != ':')
+        return CURLUE_MALFORMED_INPUT;
+    }
+    else
+      portptr = NULL;
   }
   else
     portptr = strchr(hostname, ':');
-- 
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