/**
* Synchronize invite, ban, except, and G-Line lists between servers.
*
* @param Client New server.
* @return CONNECTED or DISCONNECTED.
*/
static bool
Synchronize_Lists(CLIENT * Client)
{
CHANNEL *c;
struct list_head *head;
struct list_elem *elem;
time_t t;
assert(Client != NULL);
/* g-lines */
head = Class_GetList(CLASS_GLINE);
elem = Lists_GetFirst(head);
while (elem) {
t = Lists_GetValidity(elem) - time(NULL);
if (!IRC_WriteStrClient(Client, "GLINE %s %ld :%s",
Lists_GetMask(elem),
t > 0 ? (long)t : 0,
Lists_GetReason(elem)))
return DISCONNECTED;
elem = Lists_GetNext(elem);
}
c = Channel_First();
while (c) {
if (!Send_List(Client, c, Channel_GetListExcepts(c), 'e'))
return DISCONNECTED;
if (!Send_List(Client, c, Channel_GetListBans(c), 'b'))
return DISCONNECTED;
if (!Send_List(Client, c, Channel_GetListInvites(c), 'I'))
return DISCONNECTED;
c = Channel_Next(c);
}
return CONNECTED;
}
/**
* Handle ENDOFMOTD (376) numeric and login remote server.
* The peer is either an IRC server (no IRC+ protocol), or we got the
* ENDOFMOTD numeric from an IRC+ server. We have to register the new server.
*/
GLOBAL bool
IRC_Num_ENDOFMOTD(CLIENT * Client, UNUSED REQUEST * Req)
{
int max_hops, i;
CLIENT *c;
CHANNEL *chan;
Client_SetType(Client, CLIENT_SERVER);
Log(LOG_NOTICE | LOG_snotice,
"Server \"%s\" registered (connection %d, 1 hop - direct link).",
Client_ID(Client), Client_Conn(Client));
/* Get highest hop count */
max_hops = 0;
c = Client_First();
while (c) {
if (Client_Hops(c) > max_hops)
max_hops = Client_Hops(c);
c = Client_Next(c);
}
/* Inform the new server about all other servers, and announce the
* new server to all the already registered ones. Important: we have
* to do this "in order" and can't introduce servers of which the
* "toplevel server" isn't known already. */
for (i = 0; i < (max_hops + 1); i++) {
for (c = Client_First(); c != NULL; c = Client_Next(c)) {
if (Client_Type(c) != CLIENT_SERVER)
continue; /* not a server */
if (Client_Hops(c) != i)
continue; /* not actual "nesting level" */
if (c == Client || c == Client_ThisServer())
continue; /* that's us or the peer! */
if (!Announce_Server(Client, c))
return DISCONNECTED;
}
}
/* Announce all the users to the new server */
c = Client_First();
while (c) {
if (Client_Type(c) == CLIENT_USER ||
Client_Type(c) == CLIENT_SERVICE) {
if (!Client_Announce(Client, Client_ThisServer(), c))
return DISCONNECTED;
}
c = Client_Next(c);
}
/* Announce all channels to the new server */
chan = Channel_First();
while (chan) {
if (Channel_IsLocal(chan)) {
chan = Channel_Next(chan);
continue;
}
#ifdef IRCPLUS
/* Send CHANINFO if the peer supports it */
if (Client_HasFlag(Client, 'C')) {
if (!Send_CHANINFO(Client, chan))
return DISCONNECTED;
}
#endif
if (!Announce_Channel(Client, chan))
return DISCONNECTED;
/* Get next channel ... */
chan = Channel_Next(chan);
}
#ifdef IRCPLUS
if (Client_HasFlag(Client, 'L')) {
LogDebug("Synchronizing INVITE- and BAN-lists ...");
if (!Synchronize_Lists(Client))
return DISCONNECTED;
}
#endif
if (!IRC_WriteStrClient(Client, "PING :%s",
Client_ID(Client_ThisServer())))
return DISCONNECTED;
return CONNECTED;
} /* IRC_Num_ENDOFMOTD */
/**
* Handler for the IRC "LIST" command.
*
* @param Client The client from which this command has been received.
* @param Req Request structure with prefix and all parameters.
* @return CONNECTED or DISCONNECTED.
*/
GLOBAL bool
IRC_LIST( CLIENT *Client, REQUEST *Req )
{
char *pattern;
CHANNEL *chan;
CLIENT *from, *target;
int count = 0;
assert(Client != NULL);
assert(Req != NULL);
_IRC_GET_SENDER_OR_RETURN_(from, Req, Client)
if (Req->argc > 0)
pattern = strtok(Req->argv[0], ",");
else
pattern = "*";
if (Req->argc == 2) {
/* Forward to other server? */
target = Client_Search(Req->argv[1]);
if (! target || Client_Type(target) != CLIENT_SERVER)
return IRC_WriteErrClient(from, ERR_NOSUCHSERVER_MSG,
Client_ID(Client),
Req->argv[1]);
if (target != Client_ThisServer()) {
/* Target is indeed an other server, forward it! */
return IRC_WriteStrClientPrefix(target, from,
"LIST %s :%s",
Req->argv[0],
Req->argv[1]);
}
}
while (pattern) {
/* Loop through all the channels */
if (Req->argc > 0)
ngt_LowerStr(pattern);
chan = Channel_First();
while (chan) {
/* Check search pattern */
if (MatchCaseInsensitive(pattern, Channel_Name(chan))) {
/* Gotcha! */
if (!Channel_HasMode(chan, 's')
|| Channel_IsMemberOf(chan, from)
|| (!Conf_MorePrivacy
&& Client_HasMode(Client, 'o')
&& Client_Conn(Client) > NONE))
{
if ((Conf_MaxListSize > 0)
&& IRC_CheckListTooBig(from, count,
Conf_MaxListSize,
"LIST"))
break;
if (!IRC_WriteStrClient(from,
RPL_LIST_MSG, Client_ID(from),
Channel_Name(chan),
Channel_MemberCount(chan),
Channel_Topic( chan )))
return DISCONNECTED;
count++;
}
}
chan = Channel_Next(chan);
}
/* Get next name ... */
if(Req->argc > 0)
pattern = strtok(NULL, ",");
else
pattern = NULL;
}
return IRC_WriteStrClient(from, RPL_LISTEND_MSG, Client_ID(from));
} /* IRC_LIST */