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path: root/src/core/ns_recover.c
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/* NickServ 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"

Command *c;

int do_recover(User * u);
void myNickServHelp(User * u);
int myHelpResonse(User * u);

class NSRecover : public Module
{
 public:
	NSRecover(const std::string &modname, const std::string &creator) : Module(modname, creator)
	{
		this->SetAuthor("Anope");
		this->SetVersion("$Id$");
		this->SetType(CORE);

		c = createCommand("RECOVER", do_recover, NULL, -1, -1, -1, -1, -1);
		this->AddCommand(NICKSERV, c, MOD_UNIQUE);
		moduleAddHelp(c, myHelpResonse);

		this->SetNickHelp(myNickServHelp);
	}
};


/**
 * Add the help response to anopes /ns help output.
 * @param u The user who is requesting help
 **/
void myNickServHelp(User * u)
{
	notice_lang(s_NickServ, u, NICK_HELP_CMD_RECOVER);
}

/**
 * Show the extended help on the RECOVER command.
 * @param u The user who is requesting help
 **/
int myHelpResonse(User * u)
{
	char relstr[192];

	/* Convert NSReleaseTimeout seconds to string format */
	duration(u->na, relstr, sizeof(relstr), NSReleaseTimeout);

	notice_help(s_NickServ, u, NICK_HELP_RECOVER, relstr);
	do_help_limited(s_NickServ, u, c);

	return MOD_CONT;
}

/**
 * The /ns recover command.
 * @param u The user who issued the command
 * @param MOD_CONT to continue processing other modules, MOD_STOP to stop processing.
 **/
int do_recover(User * u)
{
	char *nick = strtok(NULL, " ");
	char *pass = strtok(NULL, " ");
	NickAlias *na;
	User *u2;

	if (!nick) {
		syntax_error(s_NickServ, u, "RECOVER", NICK_RECOVER_SYNTAX);
	} else if (!(u2 = finduser(nick))) {
		notice_lang(s_NickServ, u, NICK_X_NOT_IN_USE, nick);
	} else if (!(na = u2->na)) {
		notice_lang(s_NickServ, u, NICK_X_NOT_REGISTERED, nick);
	} else if (na->status & NS_VERBOTEN) {
		notice_lang(s_NickServ, u, NICK_X_FORBIDDEN, na->nick);
	} else if (na->nc->flags & NI_SUSPENDED) {
		notice_lang(s_NickServ, u, NICK_X_SUSPENDED, na->nick);
	} else if (stricmp(nick, u->nick) == 0) {
		notice_lang(s_NickServ, u, NICK_NO_RECOVER_SELF);
	} else if (pass) {
		int res = enc_check_password(pass, na->nc->pass);

		if (res == 1) {
			char relstr[192];

			notice_lang(s_NickServ, u2, FORCENICKCHANGE_NOW);
			collide(na, 0);

			/* Convert NSReleaseTimeout seconds to string format */
			duration(u2->na, relstr, sizeof(relstr), NSReleaseTimeout);

			notice_lang(s_NickServ, u, NICK_RECOVERED, s_NickServ, nick, relstr);
		} else {
			notice_lang(s_NickServ, u, ACCESS_DENIED);
			if (res == 0) {
				alog("%s: RECOVER: invalid password for %s by %s!%s@%s",
					 s_NickServ, nick, u->nick, u->username, u->host);
				bad_password(u);
			}
		}
	} else {
		if (group_identified(u, na->nc)
			|| (!(na->nc->flags & NI_SECURE) && is_on_access(u, na->nc))) {
			notice_lang(s_NickServ, u2, FORCENICKCHANGE_NOW);
			collide(na, 0);
			notice_lang(s_NickServ, u, NICK_RECOVERED, s_NickServ, nick);
		} else {
			notice_lang(s_NickServ, u, ACCESS_DENIED);
		}
	}
	return MOD_CONT;
}

/* EOF */

MODULE_INIT("ns_recover", NSRecover)