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-rw-r--r--src/cmd_nick.cpp183
1 files changed, 183 insertions, 0 deletions
diff --git a/src/cmd_nick.cpp b/src/cmd_nick.cpp
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+++ b/src/cmd_nick.cpp
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+/* +------------------------------------+
+ * | Inspire Internet Relay Chat Daemon |
+ * +------------------------------------+
+ *
+ * Inspire is copyright (C) 2002-2005 ChatSpike-Dev.
+ * E-mail:
+ * <brain.net>
+ * <Craig.net>
+ *
+ * Written by Craig Edwards, Craig McLure, and others.
+ * This program is free but copyrighted software; see
+ * the file COPYING for details.
+ *
+ * ---------------------------------------------------
+ */
+
+using namespace std;
+
+#include "inspircd_config.h"
+#include "inspircd.h"
+#include "inspircd_io.h"
+#include <time.h>
+#include <string>
+#ifdef GCC3
+#include <ext/hash_map>
+#else
+#include <hash_map>
+#endif
+#include <map>
+#include <sstream>
+#include <vector>
+#include <deque>
+#include "users.h"
+#include "ctables.h"
+#include "globals.h"
+#include "modules.h"
+#include "dynamic.h"
+#include "wildcard.h"
+#include "message.h"
+#include "commands.h"
+#include "mode.h"
+#include "xline.h"
+#include "inspstring.h"
+#include "dnsqueue.h"
+#include "helperfuncs.h"
+#include "hashcomp.h"
+#include "socketengine.h"
+#include "typedefs.h"
+#include "command_parse.h"
+#include "cmd_nick.h"
+
+extern ServerConfig* Config;
+extern InspIRCd* ServerInstance;
+extern int MODCOUNT;
+extern std::vector<Module*> modules;
+extern std::vector<ircd_module*> factory;
+extern time_t TIME;
+extern user_hash clientlist;
+extern chan_hash chanlist;
+extern whowas_hash whowas;
+extern std::vector<userrec*> all_opers;
+extern std::vector<userrec*> local_users;
+extern userrec* fd_ref_table[65536];
+
+void cmd_nick::Handle (char **parameters, int pcnt, userrec *user)
+{
+ if (pcnt < 1)
+ {
+ log(DEBUG,"not enough params for handle_nick");
+ return;
+ }
+ if (!parameters[0])
+ {
+ log(DEBUG,"invalid parameter passed to handle_nick");
+ return;
+ }
+ if (!parameters[0][0])
+ {
+ log(DEBUG,"zero length new nick passed to handle_nick");
+ return;
+ }
+ if (!user)
+ {
+ log(DEBUG,"invalid user passed to handle_nick");
+ return;
+ }
+ if (!user->nick)
+ {
+ log(DEBUG,"invalid old nick passed to handle_nick");
+ return;
+ }
+ if (!strcasecmp(user->nick,parameters[0]))
+ {
+ log(DEBUG,"old nick is new nick, skipping");
+ return;
+ }
+ else
+ {
+ if (strlen(parameters[0]) > 1)
+ {
+ if (parameters[0][0] == ':')
+ {
+ *parameters[0]++;
+ }
+ }
+ if (matches_qline(parameters[0]))
+ {
+ WriteOpers("*** Q-Lined nickname %s from %s!%s@%s: %s",parameters[0],user->nick,user->ident,user->host,matches_qline(parameters[0]));
+ WriteServ(user->fd,"432 %s %s :Invalid nickname: %s",user->nick,parameters[0],matches_qline(parameters[0]));
+ return;
+ }
+ if ((Find(parameters[0])) && (Find(parameters[0]) != user))
+ {
+ WriteServ(user->fd,"433 %s %s :Nickname is already in use.",user->nick,parameters[0]);
+ return;
+ }
+ }
+ if (isnick(parameters[0]) == 0)
+ {
+ WriteServ(user->fd,"432 %s %s :Erroneous Nickname",user->nick,parameters[0]);
+ return;
+ }
+
+ if (user->registered == 7)
+ {
+ int MOD_RESULT = 0;
+ FOREACH_RESULT(OnUserPreNick(user,parameters[0]));
+ if (MOD_RESULT) {
+ // if a module returns true, the nick change is silently forbidden.
+ return;
+ }
+
+ WriteCommon(user,"NICK %s",parameters[0]);
+
+ }
+
+ char oldnick[NICKMAX];
+ strlcpy(oldnick,user->nick,NICKMAX);
+
+ /* change the nick of the user in the users_hash */
+ user = ReHashNick(user->nick, parameters[0]);
+ /* actually change the nick within the record */
+ if (!user) return;
+ if (!user->nick) return;
+
+ strlcpy(user->nick, parameters[0],NICKMAX);
+
+ log(DEBUG,"new nick set: %s",user->nick);
+
+ if (user->registered < 3)
+ {
+ user->registered = (user->registered | 2);
+ // dont attempt to look up the dns until they pick a nick... because otherwise their pointer WILL change
+ // and unless we're lucky we'll get a duff one later on.
+ //user->dns_done = (!lookup_dns(user->nick));
+ //if (user->dns_done)
+ // log(DEBUG,"Aborting dns lookup of %s because dns server experienced a failure.",user->nick);
+
+#ifdef THREADED_DNS
+ // initialize their dns lookup thread
+ if (pthread_create(&user->dnsthread, NULL, dns_task, (void *)user) != 0)
+ {
+ log(DEBUG,"Failed to create DNS lookup thread for user %s",user->nick);
+ }
+#else
+ user->dns_done = (!lookup_dns(user->nick));
+ if (user->dns_done)
+ log(DEBUG,"Aborting dns lookup of %s because dns server experienced a failure.",user->nick);
+#endif
+
+ }
+ if (user->registered == 3)
+ {
+ /* user is registered now, bit 0 = USER command, bit 1 = sent a NICK command */
+ FOREACH_MOD OnUserRegister(user);
+ ConnectUser(user);
+ }
+ if (user->registered == 7)
+ {
+ FOREACH_MOD OnUserPostNick(user,oldnick);
+ }
+}
+