Add support for blocking tag messages with the deaf mode.

[user/henk/code/inspircd.git] / src / modules / m_ircv3_ctctags.cpp

diff --git a/src/modules/m_ircv3_ctctags.cpp b/src/modules/m_ircv3_ctctags.cpp
index 16b71e83e1744fa4fdac48b430c6c16e2c1ef913..8dd83bd7f525777cdf0c089ee32c9c33f107584a 100644 (file)
--- a/src/modules/m_ircv3_ctctags.cpp
+++ b/src/modules/m_ircv3_ctctags.cpp
@@ -2,7 +2,7 @@
  * InspIRCd -- Internet Relay Chat Daemon
  *
  *   Copyright (C) 2019 linuxdaemon <linuxdaemon.irc@gmail.com>
- *   Copyright (C) 2018-2020 Sadie Powell <sadie@witchery.services>
+ *   Copyright (C) 2018-2021 Sadie Powell <sadie@witchery.services>
  *
  * This file is part of InspIRCd.  InspIRCd is free software: you can
  * redistribute it and/or modify it under the terms of the GNU General Public
@@ -109,7 +109,10 @@ class CommandTagMsg : public Command
                // If the source isn't allowed to mass message users then reject
                // the attempt to mass-message users.
                if (!source->HasPrivPermission("users/mass-message"))
+               {
+                       source->WriteNumeric(ERR_NOPRIVILEGES, "Permission Denied - You do not have the required operator privileges");
                        return CMD_FAILURE;
+               }
 
                // Extract the server glob match from the target parameter.
                std::string servername(parameters[0], 1);
@@ -231,15 +234,26 @@ class CommandTagMsg : public Command
                if (parameters[0][0] == '$')
                        return HandleServerTarget(user, parameters);
 
-               // If the message begins with a status character then look it up.
+               // If the message begins with one or more status characters then look them up.
                const char* target = parameters[0].c_str();
-               PrefixMode* pmh = ServerInstance->Modes->FindPrefix(target[0]);
-               if (pmh)
-                       target++;
+               PrefixMode* targetpfx = NULL;
+               for (PrefixMode* pfx; (pfx = ServerInstance->Modes->FindPrefix(target[0])); ++target)
+               {
+                       // We want the lowest ranked prefix specified.
+                       if (!targetpfx || pfx->GetPrefixRank() < targetpfx->GetPrefixRank())
+                               targetpfx = pfx;
+               }
+
+               if (!target[0])
+               {
+                       // The target consisted solely of prefix modes.
+                       user->WriteNumeric(ERR_NORECIPIENT, "No recipient given");
+                       return CMD_FAILURE;
+               }
 
                // The target is a channel name.
                if (*target == '#')
-                       return HandleChannelTarget(user, parameters, target, pmh);
+                       return HandleChannelTarget(user, parameters, target, targetpfx);
 
                // The target is a nickname.
                return HandleUserTarget(user, parameters);
@@ -261,6 +275,7 @@ class C2CTags : public ClientProtocol::MessageTagProvider
        Cap::Capability& cap;
 
  public:
+       bool allowclientonlytags;
        C2CTags(Module* Creator, Cap::Capability& Cap)
                : ClientProtocol::MessageTagProvider(Creator)
                , cap(Cap)
@@ -271,7 +286,7 @@ class C2CTags : public ClientProtocol::MessageTagProvider
        {
                // A client-only tag is prefixed with a plus sign (+) and otherwise conforms
                // to the format specified in IRCv3.2 tags.
-               if (tagname[0] != '+' || tagname.length() < 2)
+               if (tagname[0] != '+' || tagname.length() < 2 || !allowclientonlytags)
                        return MOD_RES_PASSTHRU;
 
                // If the user is local then we check whether they have the message-tags cap
@@ -323,6 +338,17 @@ class ModuleIRCv3CTCTags
        {
        }
 
+       void ReadConfig(ConfigStatus& status) CXX11_OVERRIDE
+       {
+               c2ctags.allowclientonlytags = ServerInstance->Config->ConfValue("ctctags")->getBool("allowclientonlytags", true);
+       }
+
+       void On005Numeric(std::map<std::string, std::string>& tokens) CXX11_OVERRIDE
+       {
+               if (!c2ctags.allowclientonlytags)
+                       tokens["CLIENTTAGDENY"] = "*";
+       }
+
        ModResult OnUserPreMessage(User* user, const MessageTarget& target, MessageDetails& details) CXX11_OVERRIDE
        {
                return CopyClientTags(details.tags_in, details.tags_out);