socket: Create an IPv4 compatible IPv6 socket when NULL is passed to …

…socket_create
libimobiledevice · May 13, 2024 · 14c2e4b · 14c2e4b
1 parent bbf0c65
commit 14c2e4b
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/socket.c b/src/socket.c
@@ -463,6 +463,7 @@ int socket_create(const char* addr, uint16_t port)
 {
 	int sfd = -1;
 	int yes = 1;
+	int no = 0;
 	struct addrinfo hints;
 	struct addrinfo *result, *rp;
 	char portstr[8];
@@ -514,7 +515,7 @@ int socket_create(const char* addr, uint16_t port)
 
 #if defined(AF_INET6) && defined(IPV6_V6ONLY)
 		if (rp->ai_family == AF_INET6) {
-			if (setsockopt(sfd, IPPROTO_IPV6, IPV6_V6ONLY, (void*)&yes, sizeof(int)) == -1) {
+			if (setsockopt(sfd, IPPROTO_IPV6, IPV6_V6ONLY, (addr) ? (void*)&yes : (void*)&no, sizeof(int)) == -1) {
 				perror("setsockopt() IPV6_V6ONLY");
 			}
 		}