* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
- * InspIRCd: (C) 2002-2008 InspIRCd Development Team
- * See: http://www.inspircd.org/wiki/index.php/Credits
+ * InspIRCd: (C) 2002-2009 InspIRCd Development Team
+ * See: http://wiki.inspircd.org/Credits
*
* This program is free but copyrighted software; see
* the file COPYING for details.
#include "inspircd.h"
#include "xline.h"
-#include "commands/cmd_nick.h"
-extern "C" DllExport Command* init_command(InspIRCd* Instance)
+/** Handle /NICK. These command handlers can be reloaded by the core,
+ * and handle basic RFC1459 commands. Commands within modules work
+ * the same way, however, they can be fully unloaded, where these
+ * may not.
+ */
+class CommandNick : public Command
{
- return new CommandNick(Instance);
-}
+ public:
+ /** Constructor for nick.
+ */
+ CommandNick ( Module* parent) : Command(parent,"NICK", 1, 1) { works_before_reg = true; syntax = "<newnick>"; Penalty = 3; }
+ /** Handle command.
+ * @param parameters The parameters to the comamnd
+ * @param pcnt The number of parameters passed to teh command
+ * @param user The user issuing the command
+ * @return A value from CmdResult to indicate command success or failure.
+ */
+ CmdResult Handle(const std::vector<std::string>& parameters, User *user);
+};
/** Handle nick changes from users.
* NOTE: If you are used to ircds based on ircd2.8, and are looking
* for the client introduction code in here, youre in the wrong place.
* You need to look in the spanningtree module for this!
*/
-CmdResult CommandNick::Handle (const char* const* parameters, int, User *user)
+CmdResult CommandNick::Handle (const std::vector<std::string>& parameters, User *user)
{
- char oldnick[NICKMAX];
+ std::string oldnick;
- if (!*parameters[0] || !*user->nick)
+ if (parameters[0].empty())
{
/* We cant put blanks in the parameters, so for this (extremely rare) issue we just put '*' here. */
- user->WriteNumeric(432, "%s * :Erroneous Nickname", *user->nick ? user->nick : "*");
+ user->WriteNumeric(432, "%s * :Erroneous Nickname", user->nick.empty() ? user->nick.c_str() : "*");
return CMD_FAILURE;
}
- if (irc::string(user->nick) == irc::string(parameters[0]))
+ if (((!ServerInstance->IsNick(parameters[0].c_str(), ServerInstance->Config->Limits.NickMax))) && (IS_LOCAL(user)))
+ {
+ if (!User::NICKForced.get(user))
+ {
+ if (parameters[0] == "0")
+ {
+ // Special case, Fake a /nick UIDHERE. Useful for evading "ERR: NICK IN USE" on connect etc.
+ std::vector<std::string> p2;
+ p2.push_back(user->uuid);
+ User::NICKForced.set(user, 1);
+ this->Handle(p2, user);
+ User::NICKForced.set(user, 0);
+ return CMD_SUCCESS;
+ }
+
+ user->WriteNumeric(432, "%s %s :Erroneous Nickname", user->nick.c_str(),parameters[0].c_str());
+ return CMD_FAILURE;
+ }
+ }
+
+ if (assign(user->nick) == parameters[0])
{
/* If its exactly the same, even case, dont do anything. */
- if (!strcmp(user->nick,parameters[0]))
+ if (parameters[0] == user->nick)
+ {
return CMD_SUCCESS;
+ }
/* Its a change of case. People insisted that they should be
* able to do silly things like this even though the RFC says
* the nick AAA is the same as the nick aaa.
*/
- strlcpy(oldnick, user->nick, NICKMAX - 1);
- int MOD_RESULT = 0;
- FOREACH_RESULT(I_OnUserPreNick,OnUserPreNick(user,parameters[0]));
- if (MOD_RESULT)
+ oldnick.assign(user->nick, 0, IS_LOCAL(user) ? ServerInstance->Config->Limits.NickMax : MAXBUF);
+ ModResult MOD_RESULT;
+ FIRST_MOD_RESULT(OnUserPreNick, MOD_RESULT, (user,parameters[0]));
+ if (MOD_RESULT == MOD_RES_DENY)
return CMD_FAILURE;
if (user->registered == REG_ALL)
- user->WriteCommon("NICK %s",parameters[0]);
- strlcpy(user->nick, parameters[0], NICKMAX - 1);
+ user->WriteCommon("NICK %s",parameters[0].c_str());
+ user->nick.assign(parameters[0], 0, IS_LOCAL(user) ? ServerInstance->Config->Limits.NickMax : MAXBUF);
user->InvalidateCache();
FOREACH_MOD(I_OnUserPostNick,OnUserPostNick(user,oldnick));
return CMD_SUCCESS;
}
else
{
- XLine* mq = ServerInstance->XLines->MatchesLine("Q",parameters[0]);
- if (mq)
+ /*
+ * Don't check Q:Lines if it's a server-enforced change, just on the off-chance some fucking *moron*
+ * tries to Q:Line SIDs, also, this means we just get our way period, as it really should be.
+ * Thanks Kein for finding this. -- w00t
+ *
+ * Also don't check Q:Lines for remote nickchanges, they should have our Q:Lines anyway to enforce themselves.
+ * -- w00t
+ */
+ if (!IS_LOCAL(user))
{
- ServerInstance->SNO->WriteToSnoMask('x', "Q-Lined nickname %s from %s!%s@%s: %s", parameters[0], user->nick, user->ident, user->host, mq->reason);
- user->WriteNumeric(432, "%s %s :Invalid nickname: %s",user->nick,parameters[0], mq->reason);
- return CMD_FAILURE;
+ XLine* mq = ServerInstance->XLines->MatchesLine("Q",parameters[0]);
+ if (mq)
+ {
+ if (user->registered == REG_ALL)
+ {
+ ServerInstance->SNO->WriteGlobalSno('a', "Q-Lined nickname %s from %s!%s@%s: %s",
+ parameters[0].c_str(), user->nick.c_str(), user->ident.c_str(), user->host.c_str(), mq->reason.c_str());
+ }
+ user->WriteNumeric(432, "%s %s :Invalid nickname: %s",user->nick.c_str(), parameters[0].c_str(), mq->reason.c_str());
+ return CMD_FAILURE;
+ }
+
+ if (ServerInstance->Config->RestrictBannedUsers)
+ {
+ for (UCListIter i = user->chans.begin(); i != user->chans.end(); i++)
+ {
+ Channel *chan = *i;
+ if (chan->GetPrefixValue(user) < VOICE_VALUE && chan->IsBanned(user))
+ {
+ user->WriteNumeric(404, "%s %s :Cannot send to channel (you're banned)", user->nick.c_str(), chan->name.c_str());
+ return CMD_FAILURE;
+ }
+ }
+ }
}
/*
* because the nick is already (rightfully) in use. -- w00t
*/
User* InUse = ServerInstance->FindNickOnly(parameters[0]);
- if (InUse && (InUse != user) && ((ServerInstance->IsNick(parameters[0]) || allowinvalid)))
+ if (InUse && (InUse != user))
{
if (InUse->registered != REG_ALL)
{
/* force the camper to their UUID, and ask them to re-send a NICK. */
- InUse->WriteTo(InUse, "NICK %s", InUse->uuid);
- InUse->WriteNumeric(433, "%s %s :Nickname overruled.", InUse->nick, InUse->nick);
- InUse->UpdateNickHash(InUse->uuid);
- strlcpy(InUse->nick, InUse->uuid, NICKMAX - 1);
+ InUse->WriteTo(InUse, "NICK %s", InUse->uuid.c_str());
+ InUse->WriteNumeric(433, "%s %s :Nickname overruled.", InUse->nick.c_str(), InUse->nick.c_str());
+ InUse->UpdateNickHash(InUse->uuid.c_str());
+ InUse->nick.assign(InUse->uuid, 0, IS_LOCAL(InUse) ? ServerInstance->Config->Limits.NickMax : MAXBUF);
InUse->InvalidateCache();
InUse->registered &= ~REG_NICK;
}
else
{
/* No camping, tell the incoming user to stop trying to change nick ;p */
- user->WriteNumeric(433, "%s %s :Nickname is already in use.", user->registered >= REG_NICK ? user->nick : "*", parameters[0]);
+ user->WriteNumeric(433, "%s %s :Nickname is already in use.", user->registered >= REG_NICK ? user->nick.c_str() : "*", parameters[0].c_str());
return CMD_FAILURE;
}
}
}
- if (((!ServerInstance->IsNick(parameters[0]))) && (IS_LOCAL(user)))
- {
- if (!allowinvalid)
- {
- user->WriteNumeric(432, "%s %s :Erroneous Nickname",user->nick,parameters[0]);
- return CMD_FAILURE;
- }
- }
- int MOD_RESULT = 0;
- FOREACH_RESULT(I_OnUserPreNick,OnUserPreNick(user,parameters[0]));
- if (MOD_RESULT)
+
+ ModResult MOD_RESULT;
+ FIRST_MOD_RESULT(OnUserPreNick, MOD_RESULT, (user, parameters[0]));
+ if (MOD_RESULT == MOD_RES_DENY)
// if a module returns true, the nick change is silently forbidden.
return CMD_FAILURE;
if (user->registered == REG_ALL)
- user->WriteCommon("NICK %s",parameters[0]);
+ user->WriteCommon("NICK %s", parameters[0].c_str());
- strlcpy(oldnick, user->nick, NICKMAX - 1);
+ oldnick.assign(user->nick, 0, IS_LOCAL(user) ? ServerInstance->Config->Limits.NickMax : MAXBUF);
/* change the nick of the user in the users_hash */
- user = user->UpdateNickHash(parameters[0]);
+ user = user->UpdateNickHash(parameters[0].c_str());
/* actually change the nick within the record */
if (!user)
return CMD_FAILURE;
- if (!*user->nick)
- return CMD_FAILURE;
-
- strlcpy(user->nick, parameters[0], NICKMAX - 1);
+ user->nick.assign(parameters[0], 0, IS_LOCAL(user) ? ServerInstance->Config->Limits.NickMax : MAXBUF);
user->InvalidateCache();
- /* Update display nicks */
- for (UCListIter v = user->chans.begin(); v != user->chans.end(); v++)
- {
- CUList* ulist = v->first->GetUsers();
- CUList::iterator i = ulist->find(user);
- if (i != ulist->end())
- i->second = user->nick;
- }
-
if (user->registered < REG_NICKUSER)
{
user->registered = (user->registered | REG_NICK);
+ if (user->registered == REG_NICKUSER)
+ {
+ /* user is registered now, bit 0 = USER command, bit 1 = sent a NICK command */
+ FIRST_MOD_RESULT(OnUserRegister, MOD_RESULT, (user));
+ if (MOD_RESULT == MOD_RES_DENY)
+ return CMD_FAILURE;
+
+ // return early to not penalize new users
+ return CMD_SUCCESS;
+ }
}
- if (user->registered == REG_NICKUSER)
- {
- /* user is registered now, bit 0 = USER command, bit 1 = sent a NICK command */
- MOD_RESULT = 0;
- FOREACH_RESULT(I_OnUserRegister,OnUserRegister(user));
- if (MOD_RESULT > 0)
- return CMD_FAILURE;
- }
+
if (user->registered == REG_ALL)
{
user->IncreasePenalty(10);
- FOREACH_MOD(I_OnUserPostNick,OnUserPostNick(user,oldnick));
+ FOREACH_MOD(I_OnUserPostNick,OnUserPostNick(user, oldnick));
}
return CMD_SUCCESS;
}
-CmdResult CommandNick::HandleInternal(const unsigned int id, const std::deque<classbase*>&)
-{
- allowinvalid = (id != 0);
- return CMD_SUCCESS;
-}
+COMMAND_INIT(CommandNick)
projects / user / henk / code / inspircd.git / blobdiff