mirror of
https://github.com/unrealircd/unrealircd.git
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Bram Matthys
94 lines
3.1 KiB
C
94 lines
3.1 KiB
C
/*
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* Recieve private messages only from SSL/TLS users (User mode +Z)
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* (C) Copyright 2000-.. Bram Matthys (Syzop) and the UnrealIRCd team
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* Idea from "Stealth" <stealth@x-tab.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 1, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "unrealircd.h"
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#define IsSecureOnlyMsg(cptr) (cptr->umodes & UMODE_SECUREONLYMSG)
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/* Module header */
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ModuleHeader MOD_HEADER(secureonlymsg)
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= {
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"usermodes/secureonlymsg",
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"4.0",
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"User Mode +Z",
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"3.2-b8-1",
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NULL
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};
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/* Global variables */
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long UMODE_SECUREONLYMSG = 0L;
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/* Forward declarations */
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char *secureonlymsg_pre_usermsg(aClient *sptr, aClient *target, char *text, int notice);
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MOD_INIT(secureonlymsg)
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{
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UmodeAdd(modinfo->handle, 'Z', UMODE_GLOBAL, 0, umode_allow_all, &UMODE_SECUREONLYMSG);
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HookAddPChar(modinfo->handle, HOOKTYPE_PRE_USERMSG, 0, secureonlymsg_pre_usermsg);
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MARK_AS_OFFICIAL_MODULE(modinfo);
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return MOD_SUCCESS;
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}
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MOD_LOAD(secureonlymsg)
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{
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return MOD_SUCCESS;
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}
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MOD_UNLOAD(secureonlymsg)
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{
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return MOD_SUCCESS;
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}
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char *secureonlymsg_pre_usermsg(aClient *sptr, aClient *target, char *text, int notice)
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{
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if (IsSecureOnlyMsg(target) && !IsServer(sptr) && !IsULine(sptr) && !IsSecureConnect(sptr))
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{
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if (ValidatePermissionsForPath("override:message:secureonly",sptr,target,NULL,text))
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return text; /* TODO: this is actually an override */
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/* A numeric is preferred to indicate the user cannot message.
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* 492 is ERR_NOCTCP but apparently is also used by some other ircd(s) as a
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* general "cannot send message" numeric (similar to the generic
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* ERR_CANNOTSENDTOCHAN for channel messaging).
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*/
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sendto_one(sptr, ":%s 492 %s :Cannot send to user %s (You must be connected via SSL/TLS to message this user)",
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me.name, sptr->name, target->name);
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return NULL; /* Block the message */
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} else
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if (IsSecureOnlyMsg(sptr) && !IsSecureConnect(target) && !IsULine(target))
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{
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if (ValidatePermissionsForPath("override:message:secureonly",sptr,target,NULL,text))
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return text; /* TODO: this is actually an override */
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/* Similar to above but in this case we are +Z and are trying to message
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* an SSL user (who does not have +Z set, note the 'else'). This does not
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* make sense since they could never message back to us. Better block the
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* message than leave the user confused.
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*/
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sendto_one(sptr, ":%s 492 %s :Cannot send to user %s (You have user mode +Z set but are not connected via SSL/TLS)",
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me.name, sptr->name, target->name);
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}
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return text;
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}
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