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/* ChanServ core functions
 *
 * (C) 2003-2009 Anope Team
 * Contact us at team@anope.org
 *
 * Please read COPYING and README for further details.
 *
 * Based on the original code of Epona by Lara.
 * Based on the original code of Services by Andy Church.
 *
 * $Id$
 *
 */
/*************************************************************************/

#include "module.h"

int do_identify(User * u);
void myChanServHelp(User * u);

class CSIdentify : public Module
{
 public:
	CSIdentify(const std::string &modname, const std::string &creator) : Module(modname, creator)
	{
		Command *c;

		this->SetAuthor("Anope");
		this->SetVersion("$Id$");
		this->SetType(CORE);

		c = createCommand("IDENTIFY", do_identify, NULL, CHAN_HELP_IDENTIFY, -1, -1, -1, -1);
		this->AddCommand(CHANSERV, c, MOD_UNIQUE);

		c = createCommand("ID", do_identify, NULL, CHAN_HELP_IDENTIFY, -1, -1, -1, -1);
		this->AddCommand(CHANSERV, c, MOD_UNIQUE);

		this->SetChanHelp(myChanServHelp);
	}
};



/**
 * Add the help response to anopes /cs help output.
 * @param u The user who is requesting help
 **/
void myChanServHelp(User * u)
{
	notice_lang(s_ChanServ, u, CHAN_HELP_CMD_IDENTIFY);
}

/**
 * The /cs command.
 * @param u The user who issued the command
 * @param MOD_CONT to continue processing other modules, MOD_STOP to stop processing.
 **/
int do_identify(User * u)
{
	char *chan = strtok(NULL, " ");
	char *pass = strtok(NULL, " ");
	ChannelInfo *ci;
	struct u_chaninfolist *uc;

	if (!pass) {
		syntax_error(s_ChanServ, u, "IDENTIFY", CHAN_IDENTIFY_SYNTAX);
	} else if (!(ci = cs_findchan(chan))) {
		notice_lang(s_ChanServ, u, CHAN_X_NOT_REGISTERED, chan);
	} else if (ci->flags & CI_VERBOTEN) {
		notice_lang(s_ChanServ, u, CHAN_X_FORBIDDEN, chan);
	} else if (!nick_identified(u)) {
		notice_lang(s_ChanServ, u, NICK_IDENTIFY_REQUIRED, s_NickServ);
	} else if (is_founder(u, ci)) {
		notice_lang(s_ChanServ, u, NICK_ALREADY_IDENTIFIED);
	} else {
		int res;

		if ((res = enc_check_password(pass, ci->founderpass)) == 1) {
			if (!is_identified(u, ci)) {
				uc = new u_chaninfolist;
				uc->prev = NULL;
				uc->next = u->founder_chans;
				if (u->founder_chans)
					u->founder_chans->prev = uc;
				u->founder_chans = uc;
				uc->chan = ci;
				alog("%s: %s!%s@%s identified for %s", s_ChanServ, u->nick,
					 u->username, u->host, ci->name);
			}

			notice_lang(s_ChanServ, u, CHAN_IDENTIFY_SUCCEEDED, chan);
		} else if (res < 0) {
			alog("%s: check_password failed for %s", s_ChanServ, ci->name);
			notice_lang(s_ChanServ, u, CHAN_IDENTIFY_FAILED);
		} else {
			alog("%s: Failed IDENTIFY for %s by %s!%s@%s",
				 s_ChanServ, ci->name, u->nick, u->username, u->host);
			notice_lang(s_ChanServ, u, PASSWORD_INCORRECT);
			bad_password(u);
		}

	}
	return MOD_CONT;
}

MODULE_INIT("cs_identify", CSIdentify)