X-Git-Url: https://jfr.im/git/irc/rqf/shadowircd.git/blobdiff_plain/bc71fb3f360111a280a9e75fa4b6f9b8b8d7898c..1a218aaf7502c1f4c80970828a6381c4b5432c65:/src/blacklist.c diff --git a/src/blacklist.c b/src/blacklist.c index 5054dfa..572cadd 100644 --- a/src/blacklist.c +++ b/src/blacklist.c @@ -2,7 +2,7 @@ * charybdis: A slightly useful ircd. * blacklist.c: Manages DNS blacklist entries and lookups * - * Copyright (C) 2006 charybdis development team + * Copyright (C) 2006-2008 charybdis development team * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are @@ -36,22 +36,20 @@ #include "stdinc.h" #include "client.h" #include "res.h" -#include "tools.h" -#include "memory.h" #include "numeric.h" #include "reject.h" #include "s_conf.h" #include "s_user.h" #include "blacklist.h" -dlink_list blacklist_list = { NULL, NULL, 0 }; +rb_dlink_list blacklist_list = { NULL, NULL, 0 }; /* private interfaces */ static struct Blacklist *find_blacklist(char *name) { - dlink_node *nptr; + rb_dlink_node *nptr; - DLINK_FOREACH(nptr, blacklist_list.head) + RB_DLINK_FOREACH(nptr, blacklist_list.head) { struct Blacklist *blptr = (struct Blacklist *) nptr->data; @@ -74,15 +72,23 @@ static void blacklist_dns_callback(void *vptr, struct DNSReply *reply) { sendto_realops_snomask(SNO_GENERAL, L_ALL, "blacklist_dns_callback(): blcptr->client_p->preClient (%s) is NULL", get_client_name(blcptr->client_p, HIDE_IP)); - MyFree(blcptr); + rb_free(blcptr); return; } if (reply != NULL) { /* only accept 127.0.0.x as a listing */ - listed = reply->addr.ss_family == AF_INET && - !memcmp(&((struct sockaddr_in *)&reply->addr)->sin_addr, "\177\0\0", 3); + if (reply->addr.ss_family == AF_INET && + !memcmp(&((struct sockaddr_in *)&reply->addr)->sin_addr, "\177\0\0", 3)) + listed = TRUE; + else if (blcptr->blacklist->lastwarning + 3600 < rb_current_time()) + { + sendto_realops_snomask(SNO_GENERAL, L_ALL, + "Garbage reply from blacklist %s", + blcptr->blacklist->host); + blcptr->blacklist->lastwarning = rb_current_time(); + } } /* they have a blacklist entry for this client */ @@ -94,23 +100,23 @@ static void blacklist_dns_callback(void *vptr, struct DNSReply *reply) else unref_blacklist(blcptr->blacklist); - dlinkDelete(&blcptr->node, &blcptr->client_p->preClient->dnsbl_queries); + rb_dlinkDelete(&blcptr->node, &blcptr->client_p->preClient->dnsbl_queries); /* yes, it can probably happen... */ - if (dlink_list_length(&blcptr->client_p->preClient->dnsbl_queries) == 0 && blcptr->client_p->flags & FLAGS_SENTUSER && !EmptyString(blcptr->client_p->name)) + if (rb_dlink_list_length(&blcptr->client_p->preClient->dnsbl_queries) == 0 && blcptr->client_p->flags & FLAGS_SENTUSER && !EmptyString(blcptr->client_p->name)) { char buf[USERLEN + 1]; - strlcpy(buf, blcptr->client_p->username, sizeof buf); + rb_strlcpy(buf, blcptr->client_p->username, sizeof buf); register_local_user(blcptr->client_p, blcptr->client_p, buf); } - MyFree(blcptr); + rb_free(blcptr); } /* XXX: no IPv6 implementation, not to concerned right now though. */ static void initiate_blacklist_dnsquery(struct Blacklist *blptr, struct Client *client_p) { - struct BlacklistClient *blcptr = MyMalloc(sizeof(struct BlacklistClient)); + struct BlacklistClient *blcptr = rb_malloc(sizeof(struct BlacklistClient)); char buf[IRCD_BUFSIZE]; int ip[4]; @@ -124,11 +130,11 @@ static void initiate_blacklist_dnsquery(struct Blacklist *blptr, struct Client * sscanf(client_p->sockhost, "%d.%d.%d.%d", &ip[3], &ip[2], &ip[1], &ip[0]); /* becomes 2.0.0.127.torbl.ahbl.org or whatever */ - ircsnprintf(buf, IRCD_BUFSIZE, "%d.%d.%d.%d.%s", ip[0], ip[1], ip[2], ip[3], blptr->host); + rb_snprintf(buf, IRCD_BUFSIZE, "%d.%d.%d.%d.%s", ip[0], ip[1], ip[2], ip[3], blptr->host); gethost_byname_type(buf, &blcptr->dns_query, T_A); - dlinkAdd(blcptr, &blcptr->node, &client_p->preClient->dnsbl_queries); + rb_dlinkAdd(blcptr, &blcptr->node, &client_p->preClient->dnsbl_queries); blptr->refcount++; } @@ -143,13 +149,14 @@ struct Blacklist *new_blacklist(char *name, char *reject_reason) blptr = find_blacklist(name); if (blptr == NULL) { - blptr = MyMalloc(sizeof(struct Blacklist)); - dlinkAddAlloc(blptr, &blacklist_list); + blptr = rb_malloc(sizeof(struct Blacklist)); + rb_dlinkAddAlloc(blptr, &blacklist_list); } else blptr->status &= ~CONF_ILLEGAL; - strlcpy(blptr->host, name, HOSTLEN); - strlcpy(blptr->reject_reason, reject_reason, IRCD_BUFSIZE); + rb_strlcpy(blptr->host, name, HOSTLEN); + rb_strlcpy(blptr->reject_reason, reject_reason, IRCD_BUFSIZE); + blptr->lastwarning = 0; return blptr; } @@ -159,20 +166,20 @@ void unref_blacklist(struct Blacklist *blptr) blptr->refcount--; if (blptr->status & CONF_ILLEGAL && blptr->refcount <= 0) { - dlinkFindDestroy(blptr, &blacklist_list); - MyFree(blptr); + rb_dlinkFindDestroy(blptr, &blacklist_list); + rb_free(blptr); } } void lookup_blacklists(struct Client *client_p) { - dlink_node *nptr; + rb_dlink_node *nptr; /* We don't do IPv6 right now, sorry! */ if (client_p->localClient->ip.ss_family == AF_INET6) return; - DLINK_FOREACH(nptr, blacklist_list.head) + RB_DLINK_FOREACH(nptr, blacklist_list.head) { struct Blacklist *blptr = (struct Blacklist *) nptr->data; @@ -183,27 +190,27 @@ void lookup_blacklists(struct Client *client_p) void abort_blacklist_queries(struct Client *client_p) { - dlink_node *ptr, *next_ptr; + rb_dlink_node *ptr, *next_ptr; struct BlacklistClient *blcptr; if (client_p->preClient == NULL) return; - DLINK_FOREACH_SAFE(ptr, next_ptr, client_p->preClient->dnsbl_queries.head) + RB_DLINK_FOREACH_SAFE(ptr, next_ptr, client_p->preClient->dnsbl_queries.head) { blcptr = ptr->data; - dlinkDelete(&blcptr->node, &client_p->preClient->dnsbl_queries); + rb_dlinkDelete(&blcptr->node, &client_p->preClient->dnsbl_queries); unref_blacklist(blcptr->blacklist); delete_resolver_queries(&blcptr->dns_query); - MyFree(blcptr); + rb_free(blcptr); } } void destroy_blacklists(void) { - dlink_node *ptr, *next_ptr; + rb_dlink_node *ptr, *next_ptr; struct Blacklist *blptr; - DLINK_FOREACH_SAFE(ptr, next_ptr, blacklist_list.head) + RB_DLINK_FOREACH_SAFE(ptr, next_ptr, blacklist_list.head) { blptr = ptr->data; blptr->hits = 0; /* keep it simple and consistent */ @@ -211,8 +218,8 @@ void destroy_blacklists(void) blptr->status |= CONF_ILLEGAL; else { - MyFree(ptr->data); - dlinkDestroy(ptr, &blacklist_list); + rb_free(ptr->data); + rb_dlinkDestroy(ptr, &blacklist_list); } } }