void sockAddrBase::SetScopIdIfLinkLocal(uint32_t id)
{
if (!IsIPv6() || !IsLinkLocal())
return;
getIPv6Storage()->sin6_scope_id = id;
}
/** Handle a connection that has sent a valid PASS and SERVER.
* @param cptr New peer server.
* @param aconf Connect block for \a cptr.
* @return Zero.
*/
int server_estab(struct Client *cptr, struct ConfItem *aconf)
{
struct Client* acptr = 0;
const char* inpath;
int i;
assert(0 != cptr);
assert(0 != cli_local(cptr));
inpath = cli_name(cptr);
if (IsUnknown(cptr)) {
if (aconf->passwd[0])
sendrawto_one(cptr, MSG_PASS " :%s", aconf->passwd);
/*
* Pass my info to the new server
*/
sendrawto_one(cptr, MSG_SERVER " %s 1 %Tu %Tu J%s %s%s +%s6 :%s",
cli_name(&me), cli_serv(&me)->timestamp,
cli_serv(cptr)->timestamp, MAJOR_PROTOCOL, NumServCap(&me),
feature_bool(FEAT_HUB) ? "h" : "",
*(cli_info(&me)) ? cli_info(&me) : "IRCers United");
}
det_confs_butmask(cptr, CONF_SERVER | CONF_UWORLD);
if (!IsHandshake(cptr))
hAddClient(cptr);
SetServer(cptr);
cli_handler(cptr) = SERVER_HANDLER;
Count_unknownbecomesserver(UserStats);
SetBurst(cptr);
/* nextping = CurrentTime; */
/*
* NOTE: check for acptr->user == cptr->serv->user is necessary to insure
* that we got the same one... bleah
*/
if (cli_serv(cptr)->user && *(cli_serv(cptr))->by &&
(acptr = findNUser(cli_serv(cptr)->by))) {
if (cli_user(acptr) == cli_serv(cptr)->user) {
sendcmdto_one(&me, CMD_NOTICE, acptr, "%C :Link with %s established.",
acptr, inpath);
}
else {
/*
* if not the same client, set by to empty string
*/
acptr = 0;
*(cli_serv(cptr))->by = '\0';
}
}
sendto_opmask_butone(acptr, SNO_OLDSNO, "Link with %s established.", inpath);
cli_serv(cptr)->up = &me;
cli_serv(cptr)->updown = add_dlink(&(cli_serv(&me))->down, cptr);
sendto_opmask_butone(0, SNO_NETWORK, "Net junction: %s %s", cli_name(&me),
cli_name(cptr));
SetJunction(cptr);
/*
* Old sendto_serv_but_one() call removed because we now
* need to send different names to different servers
* (domain name matching) Send new server to other servers.
*/
for (i = 0; i <= HighestFd; i++)
{
if (!(acptr = LocalClientArray[i]) || !IsServer(acptr) ||
acptr == cptr || IsMe(acptr))
continue;
if (!match(cli_name(&me), cli_name(cptr)))
continue;
sendcmdto_one(&me, CMD_SERVER, acptr,
"%s 2 0 %Tu J%02u %s%s +%s%s%s :%s", cli_name(cptr),
cli_serv(cptr)->timestamp, Protocol(cptr), NumServCap(cptr),
IsHub(cptr) ? "h" : "", IsService(cptr) ? "s" : "",
IsIPv6(cptr) ? "6" : "", cli_info(cptr));
}
/* Send these as early as possible so that glined users/juped servers can
* be removed from the network while the remote server is still chewing
* our burst.
*/
gline_burst(cptr);
jupe_burst(cptr);
/*
* Pass on my client information to the new server
*
* First, pass only servers (idea is that if the link gets
* canceled because the server was already there,
* there are no NICK's to be canceled...). Of course,
* if cancellation occurs, all this info is sent anyway,
* and I guess the link dies when a read is attempted...? --msa
*
* Note: Link cancellation to occur at this point means
* that at least two servers from my fragment are building
* up connection this other fragment at the same time, it's
* a race condition, not the normal way of operation...
*/
for (acptr = &me; acptr; acptr = cli_prev(acptr)) {
/* acptr->from == acptr for acptr == cptr */
if (cli_from(acptr) == cptr)
continue;
if (IsServer(acptr)) {
const char* protocol_str;
if (Protocol(acptr) > 9)
protocol_str = IsBurst(acptr) ? "J" : "P";
else
protocol_str = IsBurst(acptr) ? "J0" : "P0";
if (0 == match(cli_name(&me), cli_name(acptr)))
continue;
sendcmdto_one(cli_serv(acptr)->up, CMD_SERVER, cptr,
"%s %d 0 %Tu %s%u %s%s +%s%s%s :%s", cli_name(acptr),
cli_hopcount(acptr) + 1, cli_serv(acptr)->timestamp,
protocol_str, Protocol(acptr), NumServCap(acptr),
IsHub(acptr) ? "h" : "", IsService(acptr) ? "s" : "",
IsIPv6(acptr) ? "6" : "", cli_info(acptr));
}
}
for (acptr = &me; acptr; acptr = cli_prev(acptr))
{
/* acptr->from == acptr for acptr == cptr */
if (cli_from(acptr) == cptr)
continue;
if (IsUser(acptr))
{
char xxx_buf[25];
char *s = umode_str(acptr);
sendcmdto_one(cli_user(acptr)->server, CMD_NICK, cptr,
"%s %d %Tu %s %s %s%s%s%s %s%s :%s",
cli_name(acptr), cli_hopcount(acptr) + 1, cli_lastnick(acptr),
cli_user(acptr)->username, cli_user(acptr)->realhost,
*s ? "+" : "", s, *s ? " " : "",
iptobase64(xxx_buf, &cli_ip(acptr), sizeof(xxx_buf), IsIPv6(cptr)),
NumNick(acptr), cli_info(acptr));
}
}
/*
* Last, send the BURST.
* (Or for 2.9 servers: pass all channels plus statuses)
*/
{
struct Channel *chptr;
for (chptr = GlobalChannelList; chptr; chptr = chptr->next)
send_channel_modes(cptr, chptr);
}
sendcmdto_one(&me, CMD_END_OF_BURST, cptr, "");
return 0;
}
