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G-LINES: Forbid remote modifications if "AllowRemoteOper" is not set 

Explicitely forbid remote servers to modify "x-lines" (G-LINES) when the
"AllowRemoteOper" configuration option isn't set, even when the command
seems to originate from the remote server itself: this prevents GLINE's
to become set during server handshake in this case (what wouldn't be
possible during regular runtime when a remote IRC Op sends the command)
and what can't be undone by IRC Ops later on (because of the missing
"AllowRemoteOper" option) ...
This commit is contained in:
Alexander Barton 2016-12-08 00:14:00 +01:00
parent 995bbfd627
commit f5ff22d98f
1 changed files with 10 additions and 1 deletions
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11
src/ngircd/irc-oper.c
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@ -398,7 +398,16 @@ IRC_xLINE(CLIENT *Client, REQUEST *Req)
return IRC_WriteErrClient(Client, ERR_NEEDMOREPARAMS_MSG,
Client_ID(Client), Req->command);
from = Op_Check(Client, Req);
if (!Conf_AllowRemoteOper && Client_Type(Client) == CLIENT_SERVER) {
/* Explicitely forbid remote servers to modify "x-lines" when
* the "AllowRemoteOper" configuration option isn't set, even
* when the command seems to originate from the remote server
* itself: this prevents GLINE's to become set during server
* handshake in this case (what wouldn't be possible during
* regular runtime when a remote IRC Op sends the command). */
from = NULL;
} else
from = Op_Check(Client, Req);
if (!from)
return Op_NoPrivileges(Client, Req);