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path: root/src/core/ns_identify.c
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/* NickServ core functions
 *
 * (C) 2003-2013 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. 
 * 
 *
 */
/*************************************************************************/

#include "module.h"

#define TO_COLLIDE   0          /* Collide the user with this nick */
#define TO_RELEASE   1          /* Release a collided nick */

static int do_identify(User * u);
static void myNickServHelp(User * u);

/**
 * Create the command, and tell anope about it.
 * @param argc Argument count
 * @param argv Argument list
 * @return MOD_CONT to allow the module, MOD_STOP to stop it
 **/
int AnopeInit(int argc, char **argv)
{
    Command *c;

    moduleAddAuthor("Anope");
    moduleAddVersion(VERSION_STRING);
    moduleSetType(CORE);

    c = createCommand("ID", do_identify, NULL, NICK_HELP_IDENTIFY, -1, -1,
                      -1, -1);
    moduleAddCommand(NICKSERV, c, MOD_UNIQUE);
    c = createCommand("IDENTIFY", do_identify, NULL, NICK_HELP_IDENTIFY,
                      -1, -1, -1, -1);
    moduleAddCommand(NICKSERV, c, MOD_UNIQUE);
    c = createCommand("SIDENTIFY", do_identify, NULL, -1, -1, -1, -1, -1);
    moduleAddCommand(NICKSERV, c, MOD_UNIQUE);


    moduleSetNickHelp(myNickServHelp);

    return MOD_CONT;
}

/**
 * Unload the module
 **/
void AnopeFini(void)
{

}

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

/**
 * The /ns identify command.
 * @param u The user who issued the command
 * @param MOD_CONT to continue processing other modules, MOD_STOP to stop processing.
 **/
static int do_identify(User * u)
{
    char *pass = strtok(NULL, " ");
    NickAlias *na;
    NickRequest *nr;
    int res;
    char tsbuf[16];
    char modes[512];
    int len;

    if (!pass) {
        syntax_error(s_NickServ, u, "IDENTIFY", NICK_IDENTIFY_SYNTAX);
    } else if (!(na = u->na)) {
        if ((nr = findrequestnick(u->nick))) {
            notice_lang(s_NickServ, u, NICK_IS_PREREG);
        } else {
            notice_lang(s_NickServ, u, NICK_NOT_REGISTERED);
        }
    } 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 (nick_identified(u)) {
        notice_lang(s_NickServ, u, NICK_ALREADY_IDENTIFIED);
    } else if (!(res = enc_check_password(pass, na->nc->pass))) {
        alog("%s: Failed IDENTIFY for %s!%s@%s", s_NickServ, u->nick,
             u->username, u->host);
        notice_lang(s_NickServ, u, PASSWORD_INCORRECT);
        bad_password(u);
    } else if (res == -1) {
        notice_lang(s_NickServ, u, NICK_IDENTIFY_FAILED);
    } else {
        if (!(na->status & NS_IDENTIFIED) && !(na->status & NS_RECOGNIZED)) {
            if (na->last_usermask)
                free(na->last_usermask);
            na->last_usermask =
                scalloc(strlen(common_get_vident(u)) +
                        strlen(common_get_vhost(u)) + 2, 1);
            sprintf(na->last_usermask, "%s@%s", common_get_vident(u),
                    common_get_vhost(u));
            if (na->last_realname)
                free(na->last_realname);
            na->last_realname = sstrdup(u->realname);
        }

        na->status |= NS_IDENTIFIED;
        na->last_seen = time(NULL);
        snprintf(tsbuf, sizeof(tsbuf), "%lu",
                 (unsigned long int) u->timestamp);

        if (ircd->modeonreg) {
            len = strlen(ircd->modeonreg);
	    strncpy(modes,ircd->modeonreg,512);
	    if(ircd->rootmodeonid && is_services_root(u)) { 
                strncat(modes,ircd->rootmodeonid,512-len);
	    } else if(ircd->adminmodeonid && is_services_admin(u)) {
                strncat(modes,ircd->adminmodeonid,512-len);
	    } else if(ircd->opermodeonid && is_services_oper(u)) {
                strncat(modes,ircd->opermodeonid,512-len);
	    }
            if (ircd->tsonmode) {
                common_svsmode(u, modes, tsbuf);
            } else {
                common_svsmode(u, modes, "");
            }
        }
        send_event(EVENT_NICK_IDENTIFY, 1, u->nick);
        alog("%s: %s!%s@%s identified for nick %s", s_NickServ, u->nick,
             u->username, u->host, u->nick);
        notice_lang(s_NickServ, u, NICK_IDENTIFY_SUCCEEDED);
        if (ircd->vhost) {
            do_on_id(u);
        }
        if (NSModeOnID) {
            do_setmodes(u);
        }

        if (NSForceEmail && u->na && !u->na->nc->email) {
            notice_lang(s_NickServ, u, NICK_IDENTIFY_EMAIL_REQUIRED);
            notice_help(s_NickServ, u, NICK_IDENTIFY_EMAIL_HOWTO);
        }

        if (!(na->status & NS_RECOGNIZED))
            check_memos(u);

        /* Enable nick tracking if enabled */
        if (NSNickTracking)
            nsStartNickTracking(u);

        /* Clear any timers */
        if (na->nc->flags & NI_KILLPROTECT) {
            del_ns_timeout(na, TO_COLLIDE);
        }

    }
    return MOD_CONT;
}