From 6b12beb25a8bc66d724a4d7808a4eee97b865e02 Mon Sep 17 00:00:00 2001
From: Daniel Stenberg <daniel@haxx.se>
Date: Sat, 4 Nov 2017 13:32:14 +0100
Subject: [PATCH] connect: store IPv6 connection status after valid connection

... previously it would store it already in the happy eyeballs stage
which could lead to the IPv6 bit being set for an IPv4 connection,
leading to curl not wanting to do EPSV=>PASV for FTP transfers.

Closes #2053
---
 lib/connect.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/lib/connect.c b/lib/connect.c
index 218bbcc78..84a63aefd 100755
--- a/lib/connect.c
+++ b/lib/connect.c
@@ -785,6 +785,9 @@ CURLcode Curl_is_connected(struct connectdata *conn,
         conn->sock[sockindex] = conn->tempsock[i];
         conn->ip_addr = conn->tempaddr[i];
         conn->tempsock[i] = CURL_SOCKET_BAD;
+#ifdef ENABLE_IPV6
+        conn->bits.ipv6 = (conn->ip_addr->ai_family == AF_INET6)?TRUE:FALSE;
+#endif
 
         /* close the other socket, if open */
         if(conn->tempsock[other] != CURL_SOCKET_BAD) {
@@ -1097,10 +1100,6 @@ static CURLcode singleipconnect(struct connectdata *conn,
     return CURLE_OK;
   }
 
-#ifdef ENABLE_IPV6
-  conn->bits.ipv6 = (addr.family == AF_INET6)?TRUE:FALSE;
-#endif
-
   if(-1 == rc) {
     switch(error) {
     case EINPROGRESS: