[GNUnet-SVN] [gnurl] 04/09: CONNECT_TO: fail attempt to set an IPv6 numerical without IPv6 support

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ng0 pushed a commit to branch master
in repository gnurl.

commit eb6e3c4f6e312e79732311b84df20a660f18dbdd
Author: Daniel Stenberg <address@hidden>
AuthorDate: Mon Jan 22 15:28:13 2018 +0100

    CONNECT_TO: fail attempt to set an IPv6 numerical without IPv6 support
    
    Bug: https://curl.haxx.se/mail/lib-2018-01/0087.html
    Reported-by: John Hascall
    
    Closes #2257
---
 lib/url.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/lib/url.c b/lib/url.c
index d45da5e72..74813e874 100644
--- a/lib/url.c
+++ b/lib/url.c
@@ -5,7 +5,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2017, Daniel Stenberg, <address@hidden>, et al.
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <address@hidden>, et al.
  *
  * This software is licensed as described in the file COPYING, which
  * you should have received as part of this distribution. The terms
@@ -3612,6 +3612,7 @@ static CURLcode parse_connect_to_host_port(struct 
Curl_easy *data,
 
   /* detect and extract RFC6874-style IPv6-addresses */
   if(*hostptr == '[') {
+#ifdef ENABLE_IPV6
     char *ptr = ++hostptr; /* advance beyond the initial bracket */
     while(*ptr && (ISXDIGIT(*ptr) || (*ptr == ':') || (*ptr == '.')))
       ptr++;
@@ -3635,6 +3636,11 @@ static CURLcode parse_connect_to_host_port(struct 
Curl_easy *data,
      * hostptr first, but I can't see anything wrong with that as no host
      * name nor a numeric can legally start with a bracket.
      */
+#else
+    failf(data, "Use of IPv6 in *_CONNECT_TO without IPv6 support built-in!");
+    free(host_dup);
+    return CURLE_NOT_BUILT_IN;
+#endif
   }
 
   /* Get port number off server.com:1080 */

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