+ const unsigned int channelindex = (parameters.size() > 1) ? 1 : 0;
+ if (CommandParser::LoopCall(user, this, parameters, channelindex))
+ return CMD_FAILURE;
+
+ const std::string& channel = parameters[channelindex];
+ const std::string& nickname = parameters.size() > 1 ? parameters[0] : user->nick;
+
+ User* dest = ServerInstance->FindNick(nickname);
+ if ((dest) && (dest->registered == REG_ALL))
+ {
+ if (user != dest && !user->HasPrivPermission("users/sajoin-others"))
+ {
+ user->WriteNotice("*** You are not allowed to /SAJOIN other users (the privilege users/sajoin-others is needed to /SAJOIN others).");
+ return CMD_FAILURE;
+ }
+
+ if (dest->server->IsULine())
+ {
+ user->WriteNumeric(ERR_NOPRIVILEGES, "Cannot use an SA command on a U-lined client");
+ return CMD_FAILURE;
+ }
+ if (IS_LOCAL(user) && !ServerInstance->IsChannel(channel))
+ {
+ /* we didn't need to check this for each character ;) */
+ user->WriteNotice("*** Invalid characters in channel name or name too long");
+ return CMD_FAILURE;
+ }
+
+ Channel* chan = ServerInstance->FindChan(channel);
+ if ((chan) && (chan->HasUser(dest)))
+ {
+ user->WriteRemoteNotice("*** " + dest->nick + " is already on " + channel);
+ return CMD_FAILURE;
+ }
+
+ /* For local users, we call Channel::JoinUser which may create a channel and set its TS.
+ * For non-local users, we just return CMD_SUCCESS, knowing this will propagate it where it needs to be
+ * and then that server will handle the command.
+ */
+ LocalUser* localuser = IS_LOCAL(dest);
+ if (localuser)
+ {
+ chan = Channel::JoinUser(localuser, channel, true);
+ if (chan)
+ {
+ ServerInstance->SNO->WriteGlobalSno('a', user->nick+" used SAJOIN to make "+dest->nick+" join "+channel);
+ return CMD_SUCCESS;
+ }
+ else
+ {
+ user->WriteNotice("*** Could not join "+dest->nick+" to "+channel);
+ return CMD_FAILURE;
+ }
+ }
+ else
+ {
+ return CMD_SUCCESS;
+ }
+ }
+ else
+ {
+ user->WriteNotice("*** No such nickname: '" + nickname + "'");
+ return CMD_FAILURE;
+ }