Add ipv4-in-ipv6 logic to check_one_kline

diff --git a/ircd/client.c b/ircd/client.c
index 072d0a4cbf1d60420aebf4ea924ab1beebbaf1df..9cc059f8ce05895ef7b190afd9cd16a74634a70e 100644 (file)
--- a/ircd/client.c
+++ b/ircd/client.c
@@ -583,6 +583,7 @@ check_one_kline(struct ConfItem *kline)
        int masktype;
        int bits;
        struct rb_sockaddr_storage sockaddr;
+       struct sockaddr_in ip4;
 
        masktype = parse_netmask(kline->host, (struct sockaddr_storage *)&sockaddr, &bits);
 
@@ -601,9 +602,15 @@ check_one_kline(struct ConfItem *kline)
                /* match one kline */
                switch (masktype) {
                case HM_IPV4:
+                       if (client_p->localClient->ip.ss_family == AF_INET6 &&
+                                       rb_ipv4_from_ipv6((struct sockaddr_in6 *)&client_p->localClient->ip, &ip4)
+                                               && comp_with_mask_sock((struct sockaddr *)&ip4, (struct sockaddr *)&sockaddr, bits))
+                               matched = 1;
+                       /* fallthrough */
                case HM_IPV6:
-                       if (comp_with_mask_sock((struct sockaddr *)&client_p->localClient->ip,
-                                       (struct sockaddr *)&sockaddr, bits))
+                       if (client_p->localClient->ip.ss_family == sockaddr.ss_family &&
+                                       comp_with_mask_sock((struct sockaddr *)&client_p->localClient->ip,
+                                               (struct sockaddr *)&sockaddr, bits))
                                matched = 1;
                        break;
                case HM_HOST: