X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fcoremods%2Fcore_channel%2Fcmd_kick.cpp;h=e2fdd787797d7a2819a66a83252923ea81758bc0;hb=30fc51c6ddca487a1b89da9ab0ab59da003aee36;hp=d646d9a45bf443174907ddad333683d985d8094f;hpb=b6da8d9e22a8b03ae13339ab8db3305797cba295;p=user%2Fhenk%2Fcode%2Finspircd.git

diff --git a/src/coremods/core_channel/cmd_kick.cpp b/src/coremods/core_channel/cmd_kick.cpp
index d646d9a45..e2fdd7877 100644
--- a/src/coremods/core_channel/cmd_kick.cpp
+++ b/src/coremods/core_channel/cmd_kick.cpp
@@ -31,7 +31,6 @@ CommandKick::CommandKick(Module* parent)
  */
 CmdResult CommandKick::Handle (const std::vector<std::string>& parameters, User *user)
 {
-	std::string reason;
 	Channel* c = ServerInstance->FindChan(parameters[0]);
 	User* u;
 
@@ -66,7 +65,7 @@ CmdResult CommandKick::Handle (const std::vector<std::string>& parameters, User
 		}
 	}
 
-	const UserMembIter victimiter = c->userlist.find(u);
+	const Channel::MemberMap::iterator victimiter = c->userlist.find(u);
 	if (victimiter == c->userlist.end())
 	{
 		user->WriteNumeric(ERR_USERNOTINCHANNEL, "%s %s :They are not on that channel", u->nick.c_str(), c->name.c_str());
@@ -74,15 +73,20 @@ CmdResult CommandKick::Handle (const std::vector<std::string>& parameters, User
 	}
 	Membership* const memb = victimiter->second;
 
-	if (parameters.size() > 2)
+	// KICKs coming from servers can carry a membership id
+	if ((!IS_LOCAL(user)) && (parameters.size() > 3))
 	{
-		reason.assign(parameters[2], 0, ServerInstance->Config->Limits.MaxKick);
-	}
-	else
-	{
-		reason.assign(user->nick, 0, ServerInstance->Config->Limits.MaxKick);
+		// If the current membership id is not equal to the one in the message then the user rejoined
+		if (memb->id != Membership::IdFromString(parameters[2]))
+		{
+			ServerInstance->Logs->Log(MODNAME, LOG_DEBUG, "Dropped KICK due to membership id mismatch: " + ConvToStr(memb->id) + " != " + parameters[2]);
+			return CMD_FAILURE;
+		}
 	}
 
+	const bool has_reason = (parameters.size() > 2);
+	const std::string reason((has_reason ? parameters.back() : user->nick), 0, ServerInstance->Config->Limits.MaxKick);
+
 	// Do the following checks only if the KICK is done by a local user;
 	// each server enforces its own rules.
 	if (srcmemb)