1 /* +------------------------------------+
2 * | Inspire Internet Relay Chat Daemon |
3 * +------------------------------------+
5 * InspIRCd: (C) 2002-2007 InspIRCd Development Team
6 * See: http://www.inspircd.org/wiki/index.php/Credits
8 * This program is free but copyrighted software; see
9 * the file COPYING for details.
11 * ---------------------------------------------------
14 #include "configreader.h"
19 #include "commands/cmd_nick.h"
23 extern "C" command_t* init_command(InspIRCd* Instance)
25 return new cmd_nick(Instance);
28 CmdResult cmd_nick::Handle (const char** parameters, int pcnt, userrec *user)
30 char oldnick[NICKMAX];
32 if (!parameters[0][0])
34 ServerInstance->Log(DEBUG,"zero length new nick passed to handle_nick");
39 ServerInstance->Log(DEBUG,"invalid old nick passed to handle_nick");
42 ServerInstance->Log(DEBUG,"Fall through");
43 if (irc::string(user->nick) == irc::string(parameters[0]))
45 /* If its exactly the same, even case, dont do anything. */
46 if (!strcmp(user->nick,parameters[0]))
49 /* Its a change of case. People insisted that they should be
50 * able to do silly things like this even though the RFC says
51 * the nick AAA is the same as the nick aaa.
53 ServerInstance->Log(DEBUG,"old nick is new nick, not updating hash (case change only)");
54 strlcpy(oldnick, user->nick, NICKMAX - 1);
56 FOREACH_RESULT(I_OnUserPreNick,OnUserPreNick(user,parameters[0]));
59 if (user->registered == REG_ALL)
60 user->WriteCommon("NICK %s",parameters[0]);
61 strlcpy(user->nick, parameters[0], NICKMAX - 1);
62 FOREACH_MOD(I_OnUserPostNick,OnUserPostNick(user,oldnick));
67 QLine* mq = ServerInstance->XLines->matches_qline(parameters[0]);
70 ServerInstance->SNO->WriteToSnoMask('x', "Q-Lined nickname %s from %s!%s@%s: %s", parameters[0], user->nick, user->ident, user->host, mq->reason);
71 user->WriteServ("432 %s %s :Invalid nickname: %s",user->nick,parameters[0], mq->reason);
74 if ((ServerInstance->FindNick(parameters[0])) && (ServerInstance->FindNick(parameters[0]) != user) && (ServerInstance->IsNick(parameters[0])))
76 userrec* InUse = ServerInstance->FindNick(parameters[0]);
77 if (InUse->registered != REG_ALL)
79 userrec::QuitUser(ServerInstance, InUse, "Nickname overruled");
83 user->WriteServ("433 %s %s :Nickname is already in use.",user->nick,parameters[0]);
88 if ((!ServerInstance->IsNick(parameters[0])) && (IS_LOCAL(user)))
90 user->WriteServ("432 %s %s :Erroneous Nickname",user->nick,parameters[0]);
94 if (user->registered == REG_ALL)
97 FOREACH_RESULT(I_OnUserPreNick,OnUserPreNick(user,parameters[0]));
99 // if a module returns true, the nick change is silently forbidden.
103 user->WriteCommon("NICK %s",parameters[0]);
107 strlcpy(oldnick, user->nick, NICKMAX - 1);
109 /* change the nick of the user in the users_hash */
110 user = user->UpdateNickHash(parameters[0]);
112 /* actually change the nick within the record */
113 if (!user) return CMD_FAILURE;
114 if (!*user->nick) return CMD_FAILURE;
116 strlcpy(user->nick, parameters[0], NICKMAX - 1);
118 user->InvalidateCache();
120 ServerInstance->Log(DEBUG,"new nick set: %s",user->nick);
122 if (user->registered < REG_NICKUSER)
124 user->registered = (user->registered | REG_NICK);
125 // dont attempt to look up the dns until they pick a nick... because otherwise their pointer WILL change
126 // and unless we're lucky we'll get a duff one later on.
127 //user->dns_done = (!lookup_dns(user->nick));
128 //if (user->dns_done)
129 // ServerInstance->Log(DEBUG,"Aborting dns lookup of %s because dns server experienced a failure.",user->nick);
131 if (ServerInstance->Config->NoUserDns)
133 user->dns_done = true;
134 ServerInstance->next_call = ServerInstance->Time();
138 user->StartDNSLookup();
141 /* Cached result or instant failure - fall right through if possible */
142 ServerInstance->next_call = ServerInstance->Time();
146 if (ServerInstance->next_call > ServerInstance->Time() + ServerInstance->Config->dns_timeout)
147 ServerInstance->next_call = ServerInstance->Time() + ServerInstance->Config->dns_timeout;
151 if (user->registered == REG_NICKUSER)
153 /* user is registered now, bit 0 = USER command, bit 1 = sent a NICK command */
154 FOREACH_MOD(I_OnUserRegister,OnUserRegister(user));
155 //ConnectUser(user,NULL);
157 if (user->registered == REG_ALL)
159 FOREACH_MOD(I_OnUserPostNick,OnUserPostNick(user,oldnick));