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Add ipv4-in-ipv6 logic to check_one_kline

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Ed Kellett 2020-04-19 02:16:17 +01:00
parent 9274c0f3f4
commit 485d245ec0
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GPG key ID: CB9986DEF342FABC
1 changed files with 9 additions and 2 deletions
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11
ircd/client.c
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@ -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: