mirror of https://github.com/pissnet/pissircd.git
165 lines
4.4 KiB
C
165 lines
4.4 KiB
C
/*
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* IRC - Internet Relay Chat, src/modules/chgident.c
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* (C) 1999-2001 Carsten Munk (Techie/Stskeeps) <stskeeps@tspre.org>
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*
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* See file AUTHORS in IRC package for additional names of
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* the programmers.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 1, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "unrealircd.h"
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#define MSG_CHGIDENT "CHGIDENT"
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CMD_FUNC(cmd_chgident);
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ModuleHeader MOD_HEADER
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= {
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"chgident", /* Name of module */
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"5.0", /* Version */
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"/chgident", /* Short description of module */
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"UnrealIRCd Team",
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"unrealircd-6",
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};
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MOD_INIT()
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{
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CommandAdd(modinfo->handle, MSG_CHGIDENT, cmd_chgident, MAXPARA, CMD_USER|CMD_SERVER);
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MARK_AS_OFFICIAL_MODULE(modinfo);
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return MOD_SUCCESS;
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}
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MOD_LOAD()
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{
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return MOD_SUCCESS;
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}
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MOD_UNLOAD()
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{
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return MOD_SUCCESS;
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}
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/*
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* cmd_chgident - 12/07/1999 (two months after I made SETIDENT) - Stskeeps
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* :prefix CHGIDENT <nick> <new identname>
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* parv[1] - nickname
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* parv[2] - identname
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*
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*/
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CMD_FUNC(cmd_chgident)
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{
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Client *target;
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const char *s;
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int legalident = 1;
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if (!ValidatePermissionsForPath("client:set:ident",client,NULL,NULL,NULL))
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{
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sendnumeric(client, ERR_NOPRIVILEGES);
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return;
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}
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if ((parc < 3) || !*parv[2])
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{
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sendnumeric(client, ERR_NEEDMOREPARAMS, "CHGIDENT");
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return;
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}
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if (strlen(parv[2]) > (USERLEN))
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{
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sendnotice(client, "*** ChgIdent Error: Requested ident too long -- rejected.");
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return;
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}
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if (!valid_username(parv[2]))
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{
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sendnotice(client, "*** /ChgIdent Error: A ident may contain a-z, A-Z, 0-9, '-' & '.' - Please only use them");
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return;
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}
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target = find_client(parv[1], NULL);
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if (!MyUser(client) && !target && (target = find_server_by_uid(parv[1])))
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{
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/* CHGIDENT for a UID that is not online.
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* Let's assume it may not YET be online and forward the message to
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* the remote server and stop processing ourselves.
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* That server will then handle pre-registered processing of the
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* CHGIDENT and later communicate the host when the user actually
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* comes online in the UID message.
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*/
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sendto_one(target, recv_mtags, ":%s CHGIDENT %s %s", client->id, parv[1], parv[2]);
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return;
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}
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if (!target || !target->user)
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{
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sendnumeric(client, ERR_NOSUCHNICK, parv[1]);
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return;
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}
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userhost_save_current(target);
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switch (UHOST_ALLOWED)
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{
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case UHALLOW_NEVER:
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if (MyUser(client))
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{
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sendnumeric(client, ERR_DISABLED, "CHGIDENT",
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"This command is disabled on this server");
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return;
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}
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break;
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case UHALLOW_ALWAYS:
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break;
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case UHALLOW_NOCHANS:
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if (IsUser(target) && MyUser(client) && target->user->joined)
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{
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sendnotice(client, "*** /ChgIdent can not be used while %s is on a channel", target->name);
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return;
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}
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break;
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case UHALLOW_REJOIN:
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/* join sent later when the ident has been changed */
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break;
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}
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if (!IsULine(client))
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{
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const char *issuer = command_issued_by_rpc(recv_mtags);
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if (issuer)
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{
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unreal_log(ULOG_INFO, "chgcmds", "CHGIDENT_COMMAND", client,
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"CHGIDENT: $issuer changed the username of $target.details to be $new_username",
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log_data_string("issuer", issuer),
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log_data_string("change_type", "username"),
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log_data_client("target", target),
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log_data_string("new_username", parv[2]));
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} else {
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unreal_log(ULOG_INFO, "chgcmds", "CHGIDENT_COMMAND", client,
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"CHGIDENT: $client changed the username of $target.details to be $new_username",
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log_data_string("change_type", "username"),
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log_data_client("target", target),
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log_data_string("new_username", parv[2]));
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}
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}
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/* Send to other servers too, unless the client is still in the registration phase (SASL) */
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if (IsUser(target))
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sendto_server(client, 0, 0, recv_mtags, ":%s CHGIDENT %s %s", client->id, target->id, parv[2]);
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ircsnprintf(target->user->username, sizeof(target->user->username), "%s", parv[2]);
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userhost_changed(target);
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}
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