/**
* The /ns ghost 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_ghost(User * u)
{
char *nick = strtok(NULL, " ");
char *pass = strtok(NULL, " ");
NickAlias *na;
User *u2;
if (!nick) {
syntax_error(s_NickServ, u, "GHOST", NICK_GHOST_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_GHOST_SELF);
} else if (pass) {
int res = enc_check_password(pass, na->nc->pass);
if (res == 1) {
char buf[NICKMAX + 32];
snprintf(buf, sizeof(buf), "GHOST command used by %s",
u->nick);
send_event(EVENT_NICK_GHOSTED, 3, EVENT_START, u->nick, nick);
alog("%s: %s!%s@%s used GHOST on %s",
s_NickServ, u->nick, u->username, u->host, u2->nick);
kill_user(s_NickServ, nick, buf);
notice_lang(s_NickServ, u, NICK_GHOST_KILLED, nick);
send_event(EVENT_NICK_GHOSTED, 3, EVENT_STOP, u->nick, nick);
} else {
notice_lang(s_NickServ, u, ACCESS_DENIED);
if (res == 0) {
alog("%s: GHOST: 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))) {
char buf[NICKMAX + 32];
snprintf(buf, sizeof(buf), "GHOST command used by %s",
u->nick);
send_event(EVENT_NICK_GHOSTED, 3, EVENT_START, u->nick, nick);
alog("%s: %s!%s@%s used GHOST on %s",
s_NickServ, u->nick, u->username, u->host, u2->nick);
kill_user(s_NickServ, nick, buf);
notice_lang(s_NickServ, u, NICK_GHOST_KILLED, nick);
send_event(EVENT_NICK_GHOSTED, 3, EVENT_STOP, u->nick, nick);
} else {
notice_lang(s_NickServ, u, ACCESS_DENIED);
}
}
return MOD_CONT;
}
/**
* 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.
**/
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;
}
int do_addnick(User * u)
{
NickAlias *na, *target;
NickCore *nc;
char *nick = strtok(NULL, " ");
char *pass = strtok(NULL, " ");
int i;
char tsbuf[16];
char modes[512];
int len;
if (NSEmailReg && (findrequestnick(u->nick))) {
notice_lang(s_NickServ, u, NS_REQUESTED);
return MOD_CONT;
}
if (readonly) {
notice_lang(s_NickServ, u, NS_ADDNICK_DISABLED);
return MOD_CONT;
}
if (checkDefCon(DEFCON_NO_NEW_NICKS)) {
notice_lang(s_NickServ, u, OPER_DEFCON_DENIED);
return MOD_CONT;
}
if (RestrictOperNicks) {
for (i = 0; i < RootNumber; i++) {
if (stristr(u->nick, ServicesRoots[i]) && !is_oper(u)) {
notice_lang(s_NickServ, u, NICK_CANNOT_BE_REGISTERED,
u->nick);
return MOD_CONT;
}
}
for (i = 0; i < servadmins.count && (nc = servadmins.list[i]); i++) {
if (stristr(u->nick, nc->display) && !is_oper(u)) {
notice_lang(s_NickServ, u, NICK_CANNOT_BE_REGISTERED,
u->nick);
return MOD_CONT;
}
}
for (i = 0; i < servopers.count && (nc = servopers.list[i]); i++) {
if (stristr(u->nick, nc->display) && !is_oper(u)) {
notice_lang(s_NickServ, u, NICK_CANNOT_BE_REGISTERED,
u->nick);
return MOD_CONT;
}
}
}
if (!nick || !pass) {
syntax_error(s_NickServ, u, "ADDNICK", NS_ADDNICK_SYNTAX);
} else if (!(target = findnick(nick))) {
notice_lang(s_NickServ, u, NICK_X_NOT_REGISTERED, nick);
} else if (time(NULL) < u->lastnickreg + NSRegDelay) {
notice_lang(s_NickServ, u, NS_ADDNICK_PLEASE_WAIT, NSRegDelay);
} else if (u->na && (u->na->status & NS_VERBOTEN)) {
alog("%s: %s@%s tried to use ADDNICK from forbidden nick %s.",
s_NickServ, u->username, u->host, u->nick);
notice_lang(s_NickServ, u, NICK_X_FORBIDDEN, u->nick);
} else if (u->na && (u->na->nc->flags & NI_SUSPENDED)) {
alog("%s: %s!%s@%s tried to use ADDNICK from suspended nick %s.",
s_NickServ, u->nick, u->username, u->host, target->nick);
notice_lang(s_NickServ, u, NICK_X_SUSPENDED, u->nick);
} else if (u->na && NSNoGroupChange) {
notice_lang(s_NickServ, u, NS_ADDNICK_CHANGE_DISABLED, s_NickServ);
} else if (u->na && !nick_identified(u)) {
notice_lang(s_NickServ, u, NICK_IDENTIFY_REQUIRED, s_NickServ);
} else if (target && (target->nc->flags & NI_SUSPENDED)) {
alog("%s: %s!%s@%s tried to use GROUP from SUSPENDED nick %s",
s_NickServ, u->nick, u->username, u->host, target->nick);
notice_lang(s_NickServ, u, NICK_X_SUSPENDED, target->nick);
} else if (target->status & NS_VERBOTEN) {
notice_lang(s_NickServ, u, NICK_X_FORBIDDEN, nick);
} else if (u->na && target->nc == u->na->nc) {
notice_lang(s_NickServ, u, NS_ADDNICK_SAME, target->nick);
} else if (NSMaxAliases && (target->nc->aliases.count >= NSMaxAliases)
&& !nick_is_services_admin(target->nc)) {
notice_lang(s_NickServ, u, NS_ADDNICK_TOO_MANY, target->nick,
s_NickServ, s_NickServ);
} else if (enc_check_password(pass, target->nc->pass) != 1) {
alog("%s: Failed ADDNICK for %s!%s@%s (invalid password).",
s_NickServ, u->nick, u->username, u->host);
notice_lang(s_NickServ, u, PASSWORD_INCORRECT);
bad_password(u);
} else {
/* If the nick is already registered, drop it.
* If not, check that it is valid.
*/
if (u->na) {
delnick(u->na);
} else {
int prefixlen = strlen(NSGuestNickPrefix);
int nicklen = strlen(u->nick);
if (nicklen <= prefixlen + 7 && nicklen >= prefixlen + 1
&& stristr(u->nick, NSGuestNickPrefix) == u->nick
&& strspn(u->nick + prefixlen,
"1234567890") == nicklen - prefixlen) {
notice_lang(s_NickServ, u, NICK_CANNOT_BE_REGISTERED,
u->nick);
return MOD_CONT;
}
}
na = makealias(u->nick, target->nc);
if (na) {
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));
na->last_realname = sstrdup(u->realname);
na->time_registered = na->last_seen = time(NULL);
na->status = (int16) (NS_IDENTIFIED | NS_RECOGNIZED);
if (!(na->nc->flags & NI_SERVICES_ROOT)) {
for (i = 0; i < RootNumber; i++) {
if (!stricmp(ServicesRoots[i], u->nick)) {
na->nc->flags |= NI_SERVICES_ROOT;
break;
}
}
}
u->na = na;
na->u = u;
#ifdef USE_RDB
/* Is this really needed? Since this is a new alias it will get
* its unique id on the next update, since it was previously
* deleted by delnick. Must observe...
*/
if (rdb_open()) {
rdb_save_ns_alias(na);
rdb_close();
}
#endif
send_event(EVENT_GROUP, 1, u->nick);
alog("%s: %s!%s@%s makes %s join group of %s (%s) (e-mail: %s)", s_NickServ, u->nick, u->username, u->host, u->nick, target->nick, target->nc->display, (target->nc->email ? target->nc->email : "none"));
notice_lang(s_NickServ, u, NS_ADDNICK_SUCCESS, target->nick);
u->lastnickreg = 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, NULL);
}
}
check_memos(u);
} else {
alog("%s: makealias(%s) failed", s_NickServ, u->nick);
notice_lang(s_NickServ, u, NS_ADDNICK_FAILED);
}
}
return MOD_CONT;
}
