/* See lookup_ip's comment */
struct dns_query *
lookup_hostname(const char *ip, DNSCB callback, void *data)
{
struct dns_query *query = rb_malloc(sizeof(struct dns_query));
int aftype;
if(!rb_inet_pton_sock(ip, (struct sockaddr *)&query->addr))
{
rb_free(query);
return NULL;
}
aftype = GET_SS_FAMILY(&query->addr);
if(aftype == AF_INET)
query->type = QUERY_PTR_A;
else if(aftype == AF_INET6)
query->type = QUERY_PTR_AAAA;
else
{
rb_free(query);
return NULL;
}
query->id = query_count++;
query->callback = callback;
query->data = data;
query->query.ptr = query;
query->query.callback = handle_lookup_hostname_reply;
gethost_byaddr(&query->addr, &query->query);
return query;
}
struct Client *make_local_person_full(const char *nick, const char *username, const char *hostname, const char *ip, const char *realname)
{
struct Client *client;
client = make_client(NULL);
rb_dlinkMoveNode(&client->localClient->tnode, &unknown_list, &lclient_list);
client->servptr = &me;
rb_dlinkAdd(client, &client->lnode, &client->servptr->serv->users);
make_user(client);
SetClient(client);
rb_inet_pton_sock(ip, (struct sockaddr *)&client->localClient->ip);
rb_strlcpy(client->name, nick, sizeof(client->name));
rb_strlcpy(client->username, username, sizeof(client->username));
rb_strlcpy(client->host, hostname, sizeof(client->host));
rb_inet_ntop_sock((struct sockaddr *)&client->localClient->ip, client->sockhost, sizeof(client->sockhost));
rb_strlcpy(client->info, realname, sizeof(client->info));
add_to_client_hash(client->name, client);
return client;
}
static void
resolve_ip(char **parv)
{
char *requestid = parv[1];
char *iptype = parv[2];
char *rec = parv[3];
int aftype;
struct dns_request *req;
if(strlen(requestid) >= REQIDLEN)
exit(3);
req = rb_malloc(sizeof(struct dns_request));
req->revfwd = REQREV;
strcpy(req->reqid, requestid);
if(!rb_inet_pton_sock(rec, (struct sockaddr *)&req->addr))
exit(6);
aftype = GET_SS_FAMILY(&req->addr);
switch (*iptype)
{
case '4':
req->reqtype = REVIPV4;
if(aftype != AF_INET)
exit(6);
break;
case '6':
req->reqtype = REVIPV6;
if(aftype != AF_INET6)
exit(6);
break;
default:
exit(7);
}
req->query.ptr = req;
req->query.callback = send_answer;
gethost_byaddr(&req->addr, &req->query);
}
struct Client *make_remote_person_full(struct Client *server, const char *nick, const char *username, const char *hostname, const char *ip, const char *realname)
{
struct Client *client;
struct sockaddr addr;
client = make_client(server);
make_user(client);
SetRemoteClient(client);
client->servptr = server;
rb_dlinkAdd(server, &server->lnode, &server->servptr->serv->users);
rb_inet_pton_sock(ip, &addr);
rb_strlcpy(client->name, nick, sizeof(client->name));
rb_strlcpy(client->username, username, sizeof(client->username));
rb_strlcpy(client->host, hostname, sizeof(client->host));
rb_inet_ntop_sock(&addr, client->sockhost, sizeof(client->sockhost));
rb_strlcpy(client->info, realname, sizeof(client->info));
add_to_client_hash(nick, client);
add_to_hostname_hash(client->host, client);
return client;
}
/*
* mr_webirc - webirc message handler
* parv[1] = password
* parv[2] = fake username (we ignore this)
* parv[3] = fake hostname
* parv[4] = fake ip
*/
static int
mr_webirc(struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
{
struct ConfItem *aconf;
const char *encr;
if (!strchr(parv[4], '.') && !strchr(parv[4], ':'))
{
sendto_one(source_p, "NOTICE * :Invalid IP");
return 0;
}
aconf = find_address_conf(client_p->host, client_p->sockhost,
IsGotId(client_p) ? client_p->username : "******",
IsGotId(client_p) ? client_p->username : "******",
(struct sockaddr *) &client_p->localClient->ip,
client_p->localClient->ip.ss_family, NULL);
if (aconf == NULL || !(aconf->status & CONF_CLIENT))
return 0;
if (!IsConfDoSpoofIp(aconf) || irccmp(aconf->info.name, "webirc."))
{
/* XXX */
sendto_one(source_p, "NOTICE * :Not a CGI:IRC auth block");
return 0;
}
if (EmptyString(aconf->passwd))
{
sendto_one(source_p, "NOTICE * :CGI:IRC auth blocks must have a password");
return 0;
}
if (EmptyString(parv[1]))
encr = "";
else if (IsConfEncrypted(aconf))
encr = rb_crypt(parv[1], aconf->passwd);
else
encr = parv[1];
if (strcmp(encr, aconf->passwd))
{
sendto_one(source_p, "NOTICE * :CGI:IRC password incorrect");
return 0;
}
rb_strlcpy(source_p->sockhost, parv[4], sizeof(source_p->sockhost));
if(strlen(parv[3]) <= HOSTLEN)
rb_strlcpy(source_p->host, parv[3], sizeof(source_p->host));
else
rb_strlcpy(source_p->host, source_p->sockhost, sizeof(source_p->host));
rb_inet_pton_sock(parv[4], (struct sockaddr *)&source_p->localClient->ip);
/* Check dlines now, klines will be checked on registration */
if((aconf = find_dline((struct sockaddr *)&source_p->localClient->ip,
source_p->localClient->ip.ss_family)))
{
if(!(aconf->status & CONF_EXEMPTDLINE))
{
exit_client(client_p, source_p, &me, "D-lined");
return 0;
}
}
sendto_one(source_p, "NOTICE * :Congratulations, your host is reset via I:line: %s %s", parv[3], parv[4]);
return 0;
}
/*
* mr_webirc - webirc message handler
* parv[1] = password
* parv[2] = fake username (we ignore this)
* parv[3] = fake hostname
* parv[4] = fake ip
*/
static void
mr_webirc(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
{
struct ConfItem *aconf;
const char *encr;
struct rb_sockaddr_storage addr;
aconf = find_address_conf(client_p->host, client_p->sockhost,
IsGotId(client_p) ? client_p->username : "******",
IsGotId(client_p) ? client_p->username : "******",
(struct sockaddr *) &client_p->localClient->ip,
GET_SS_FAMILY(&client_p->localClient->ip), NULL);
if (aconf == NULL || !(aconf->status & CONF_CLIENT))
return;
if (!IsConfDoSpoofIp(aconf) || irccmp(aconf->info.name, "webirc."))
{
/* XXX */
sendto_one(source_p, "NOTICE * :Not a CGI:IRC auth block");
return;
}
if (EmptyString(aconf->passwd))
{
sendto_one(source_p, "NOTICE * :CGI:IRC auth blocks must have a password");
return;
}
if (EmptyString(parv[1]))
encr = "";
else if (IsConfEncrypted(aconf))
encr = rb_crypt(parv[1], aconf->passwd);
else
encr = parv[1];
if (encr == NULL || strcmp(encr, aconf->passwd))
{
sendto_one(source_p, "NOTICE * :CGI:IRC password incorrect");
return;
}
if (rb_inet_pton_sock(parv[4], (struct sockaddr *)&addr) <= 0)
{
sendto_one(source_p, "NOTICE * :Invalid IP");
return;
}
source_p->localClient->ip = addr;
rb_inet_ntop_sock((struct sockaddr *)&source_p->localClient->ip, source_p->sockhost, sizeof(source_p->sockhost));
if(strlen(parv[3]) <= HOSTLEN)
rb_strlcpy(source_p->host, parv[3], sizeof(source_p->host));
else
rb_strlcpy(source_p->host, source_p->sockhost, sizeof(source_p->host));
/* Check dlines now, klines will be checked on registration */
if((aconf = find_dline((struct sockaddr *)&source_p->localClient->ip,
GET_SS_FAMILY(&source_p->localClient->ip))))
{
if(!(aconf->status & CONF_EXEMPTDLINE))
{
exit_client(client_p, source_p, &me, "D-lined");
return;
}
}
sendto_one(source_p, "NOTICE * :CGI:IRC host/IP set to %s %s", parv[3], parv[4]);
}