commit 24c495a52fe47b74d1f6418706619f3100925058
author Daniel Stenberg <daniel@haxx.se> Fri Oct 20 10:20:12 2023 +0200
committer Daniel Stenberg <daniel@haxx.se> Fri Oct 20 17:14:51 2023 +0200
tree 1c03bb914a1dcc11a65d093f8edb7f57135d4c1c
parent fc077bc786c820abb1be277c01603034f4174dd4

socks: make SOCKS5 use the CURLOPT_IPRESOLVE choice

Fixes #11949
Reported-by: Ammar Faizi
Closes #12163

lib/socks.c

diff --git a/lib/socks.c b/lib/socks.c
index 6d6368c..88365ce 100644
--- a/lib/socks.c
+++ b/lib/socks.c
@@ -823,10 +823,19 @@
     /* FALLTHROUGH */
 CONNECT_RESOLVED:
   case CONNECT_RESOLVED: {
-    char dest[MAX_IPADR_LEN] = "unknown";  /* printable address */
+    char dest[MAX_IPADR_LEN];  /* printable address */
     struct Curl_addrinfo *hp = NULL;
     if(dns)
       hp = dns->addr;
+#ifdef ENABLE_IPV6
+    if(data->set.ipver != CURL_IPRESOLVE_WHATEVER) {
+      int wanted_family = data->set.ipver == CURL_IPRESOLVE_V4 ?
+        AF_INET : AF_INET6;
+      /* scan for the first proper address */
+      while(hp && (hp->ai_family != wanted_family))
+        hp = hp->ai_next;
+    }
+#endif
     if(!hp) {
       failf(data, "Failed to resolve \"%s\" for SOCKS5 connect.",
             sx->hostname);