Implement support for SQUERY from RFC 2812.

This is treated internally as a PRIVMSG with a few exceptions:

1. The command MUST have exactly one target.
2. The target MUST be a user.
3. The target MUST be on a u-lined server (e.g. NickServ).

diff --git a/docs/conf/helpop-full.conf.example b/docs/conf/helpop-full.conf.example
index dec0e23d1125ca1aac745c071d045400d1d7c154..060fefca991a258143a1943205ce176e37a53400 100644 (file)
--- a/docs/conf/helpop-full.conf.example
+++ b/docs/conf/helpop-full.conf.example
@@ -38,10 +38,14 @@ WHOIS     WHOWAS   ISON      USERHOST  WATCH
 LIST      NAMES    WHO       MOTD
 ADMIN     MAP      LINKS     LUSERS    TIME
 STATS     VERSION  INFO      MODULES   COMMANDS
-SSLINFO
+SSLINFO   SQUERY
 
 USER      PASS     PING     PONG       QUIT">
 
+<helpop key="squery" value="/SQUERY <target> <text>
+
+Sends a message to the network service specified in <target>.">
+
 <helpop key="sslinfo" value="/SSLINFO <nick>
 
 Displays information on the SSL connection and certificate of the

diff --git a/src/coremods/core_message.cpp b/src/coremods/core_message.cpp
index f649cf9a765012b1c00efcabbc16c157a3c8eb9e..8a7499f1d191214e41381f0880ae1a87029dcc91 100644 (file)
--- a/src/coremods/core_message.cpp
+++ b/src/coremods/core_message.cpp
@@ -21,6 +21,12 @@
 
 #include "inspircd.h"
 
+enum
+{
+       // From RFC 2812.
+       ERR_NOSUCHSERVICE = 408
+};
+
 class MessageDetailsImpl : public MessageDetails
 {
 public:
@@ -345,22 +351,80 @@ class CommandMessage : public Command
        }
 };
 
+class CommandSQuery : public SplitCommand
+{
+ public:
+       CommandSQuery(Module* Creator)
+               : SplitCommand(Creator, "SQUERY", 2, 2)
+       {
+               syntax = "<service> <message>";
+       }
+
+       CmdResult HandleLocal(LocalUser* user, const Params& parameters) CXX11_OVERRIDE
+       {
+               // The specified message was empty.
+               if (parameters[1].empty())
+               {
+                       user->WriteNumeric(ERR_NOTEXTTOSEND, "No text to send");
+                       return CMD_FAILURE;
+               }
+
+               // The target can be either a nick or a nick@server mask.
+               User* target;
+               const char* targetserver = strchr(parameters[0].c_str(), '@');
+               if (targetserver)
+               {
+                       // The target is a user on a specific server (e.g. jto@tolsun.oulu.fi).
+                       target = ServerInstance->FindNickOnly(parameters[0].substr(0, targetserver - parameters[0].c_str()));
+                       if (target && strcasecmp(target->server->GetName().c_str(), targetserver + 1))
+                               target = NULL;
+               }
+               else
+               {
+                       // The targer can be on any server.
+                       target = ServerInstance->FindNickOnly(parameters[0]);
+               }
+
+               if (!target || target->registered != REG_ALL || !target->server->IsULine())
+               {
+                       // The target user does not exist, is not fully registered, or is not a service.
+                       user->WriteNumeric(ERR_NOSUCHSERVICE, parameters[0], "No such service");
+                       return CMD_FAILURE;
+               }
+
+               // Fire the pre-message events.
+               MessageTarget msgtarget(target);
+               MessageDetailsImpl msgdetails(MSG_PRIVMSG, parameters[1], parameters.GetTags());
+               if (!FirePreEvents(user, msgtarget, msgdetails))
+                       return CMD_FAILURE;
+
+               // The SQUERY command targets a service on a u-lined server. This can never
+               // be on the server local to the source so we don't need to do any routing
+               // logic and can forward it as a PRIVMSG.
+
+               // Fire the post-message event.
+               return FirePostEvent(user, msgtarget, msgdetails);
+       }
+};
+
 class ModuleCoreMessage : public Module
 {
  private:
        CommandMessage cmdprivmsg;
        CommandMessage cmdnotice;
+       CommandSQuery cmdsquery;
 
  public:
        ModuleCoreMessage()
                : cmdprivmsg(this, MSG_PRIVMSG)
                , cmdnotice(this, MSG_NOTICE)
+               , cmdsquery(this)
        {
        }
 
        Version GetVersion() CXX11_OVERRIDE
        {
-               return Version("PRIVMSG, NOTICE", VF_CORE|VF_VENDOR);
+               return Version("Provides the NOTICE, PRIVMSG, and SQUERY commands", VF_CORE|VF_VENDOR);
        }
 };