- char src_host[NICKLEN + USERLEN + HOSTLEN + 6];
- char src_iphost[NICKLEN + USERLEN + HOSTLEN + 6];
- char src_althost[NICKLEN + USERLEN + HOSTLEN + 6];
- char src_ip4host[NICKLEN + USERLEN + HOSTLEN + 6];
- struct sockaddr_in ip4;
- char *s = src_host, *s2 = src_iphost, *s3 = NULL, *s4 = NULL;
-
- rb_sprintf(src_host, "%s!%s@%s", client_p->name, client_p->username, client_p->host);
- rb_sprintf(src_iphost, "%s!%s@%s", client_p->name, client_p->username, client_p->sockhost);
-
- /* handle hostmangling if necessary */
- if (client_p->localClient->mangledhost != NULL)
- {
- if (!strcmp(client_p->host, client_p->localClient->mangledhost))
- rb_sprintf(src_althost, "%s!%s@%s", client_p->name, client_p->username, client_p->orighost);
- else if (!IsDynSpoof(client_p))
- rb_sprintf(src_althost, "%s!%s@%s", client_p->name, client_p->username, client_p->localClient->mangledhost);
-
- s3 = src_althost;
- }
-
-#ifdef RB_IPV6
- /* handle Teredo if necessary */
- if (client_p->localClient->ip.ss_family == AF_INET6 && ipv4_from_ipv6((const struct sockaddr_in6 *) &client_p->localClient->ip, &ip4))
- {
- rb_sprintf(src_ip4host, "%s!%s@", client_p->name, client_p->username);
- s4 = src_ip4host + strlen(src_ip4host);
- rb_inet_ntop_sock((struct sockaddr *)&ip4,
- s4, src_ip4host + sizeof src_ip4host - s4);
- s4 = src_ip4host;
- }
-#endif
-
- return match(banstr, s) || match(banstr, s2) || (s3 != NULL && match(banstr, s3)) || (s4 != NULL && match(banstr, s4)) ? EXTBAN_MATCH : EXTBAN_NOMATCH;