/*
* m_sethost - generic message handler
*
* mimic old lain syntax:
*
* (Oper) /SETHOST ident host.cc [quit-message]
* (User) /SETHOST host.cc password
* (Both) /SETHOST undo
*
* check for undo, prepend parv w. <nick> -h or +h
*/
int m_sethost(struct Client* cptr, struct Client* sptr, int parc, char* parv[])
{
char hostmask[512];
struct Flags setflags;
/* Back up the flags first */
setflags = cli_flags(sptr);
if (parc < 2)
return need_more_params(sptr, "SETHOST");
if (0 == ircd_strcmp("undo", parv[1])) {
set_hostmask(sptr, sptr, NULL, NULL);
} else {
if (parc<3)
return need_more_params(sptr, "SETHOST");
if (IsAnOper(sptr)) {
ircd_snprintf(0, hostmask, USERLEN + HOSTLEN + 1, "%s@%s", parv[1], parv[2]);
if (!is_hostmask(hostmask)) {
send_reply(sptr, ERR_BADHOSTMASK, hostmask);
return 0;
}
if (set_hostmask(sptr, sptr, hostmask, NULL))
FlagClr(&setflags, FLAG_SETHOST);
} else {
if (!is_hostmask(parv[1])) {
send_reply(sptr, ERR_BADHOSTMASK, parv[1]);
return 0;
}
if (set_hostmask(sptr, sptr, parv[1], parv[2]))
FlagClr(&setflags, FLAG_SETHOST);
}
}
send_umode_out(cptr, sptr, &setflags, 0);
return 0;
}
int m_challenge(struct Client *cptr, struct Client *sptr, int parc, char *parv[])
{
#ifdef USE_SSL
struct ConfItem *aconf;
RSA *rsa_public_key;
BIO *file = NULL;
char *challenge = NULL;
char *name;
char *tmpname;
char chan[CHANNELLEN-1];
char* join[2];
int nl;
struct Flags old_mode = cli_flags(sptr);
if (!MyUser(sptr))
return 0;
if (parc < 2)
return need_more_params(sptr, "CHALLENGE");
if (parc > 2) { /* This is a remote OPER Request */
struct Client *srv;
if (!string_has_wildcards(parv[1]))
srv = FindServer(parv[1]);
else
srv = find_match_server(parv[1]);
if (!feature_bool(FEAT_REMOTE_OPER))
return send_reply(sptr, ERR_NOOPERHOST);
if (!srv)
return send_reply(sptr, ERR_NOOPERHOST);
if (IsMe(srv)) {
parv[1] = parv[2];
} else {
sendcmdto_one(sptr, CMD_CHALLENGE, srv, "%C %s", srv, parv[2]);
return 0;
}
}
/* if theyre an oper, reprint oper motd and ignore */
if (IsOper(sptr))
{
send_reply(sptr, RPL_YOUREOPER);
if (feature_bool(FEAT_OPERMOTD))
m_opermotd(sptr, sptr, 1, parv);
}
if (*parv[1] == '+')
{
/* Ignore it if we aren't expecting this... -A1kmm */
if (cli_user(sptr)->response == NULL)
return 0;
if (ircd_strcmp(cli_user(sptr)->response, ++parv[1]))
{
send_reply(sptr, ERR_PASSWDMISMATCH);
sendto_allops(&me, SNO_OLDREALOP, "Failed OPER attempt by %s (%s@%s) (Password Incorrect)",
parv[0], cli_user(sptr)->realusername, cli_sockhost(sptr));
tmpname = strdup(cli_user(sptr)->auth_oper);
failed_challenge_notice(sptr, tmpname, "challenge failed");
return 0;
}
name = strdup(cli_user(sptr)->auth_oper);
aconf = find_conf_exact(cli_user(sptr)->auth_oper, cli_user(sptr)->realusername,
MyUser(sptr) ? cli_sockhost(sptr) :
cli_user(sptr)->realhost, CONF_OPS);
if (!aconf)
aconf = find_conf_exact(cli_user(sptr)->auth_oper, cli_user(sptr)->realusername,
ircd_ntoa((const char*) &(cli_ip(sptr))), CONF_OPS);
if (!aconf)
aconf = find_conf_cidr(cli_user(sptr)->auth_oper, cli_user(sptr)->realusername,
cli_ip(sptr), CONF_OPS);
if (!aconf)
{
send_reply(sptr, ERR_NOOPERHOST);
sendto_allops(&me, SNO_OLDREALOP, "Failed OPER attempt by %s (%s@%s) (No O:line)",
parv[0], cli_user(sptr)->realusername, cli_sockhost(sptr));
return 0;
}
if (CONF_LOCOP == aconf->status) {
ClearOper(sptr);
SetLocOp(sptr);
}
else {
/*
* prevent someone from being both oper and local oper
*/
ClearLocOp(sptr);
if (!feature_bool(FEAT_OPERFLAGS) || !(aconf->port & OFLAG_ADMIN)) {
/* Global Oper */
SetOper(sptr);
ClearAdmin(sptr);
} else {
/* Admin */
SetOper(sptr);
OSetGlobal(sptr);
SetAdmin(sptr);
}
++UserStats.opers;
}
cli_handler(cptr) = OPER_HANDLER;
if (!feature_bool(FEAT_OPERFLAGS) || (aconf->port & OFLAG_WHOIS)) {
OSetWhois(sptr);
}
if (!feature_bool(FEAT_OPERFLAGS) || (aconf->port & OFLAG_IDLE)) {
OSetIdle(sptr);
}
if (!feature_bool(FEAT_OPERFLAGS) || (aconf->port & OFLAG_XTRAOP)) {
OSetXtraop(sptr);
}
if (!feature_bool(FEAT_OPERFLAGS) || (aconf->port & OFLAG_HIDECHANS)) {
OSetHideChans(sptr);
}
SetFlag(sptr, FLAG_WALLOP);
SetFlag(sptr, FLAG_SERVNOTICE);
SetFlag(sptr, FLAG_DEBUG);
if (!IsAdmin(sptr))
cli_oflags(sptr) = aconf->port;
set_snomask(sptr, SNO_OPERDEFAULT, SNO_ADD);
client_set_privs(sptr, aconf);
cli_max_sendq(sptr) = 0; /* Get the sendq from the oper's class */
send_umode_out(cptr, sptr, &old_mode, HasPriv(sptr, PRIV_PROPAGATE));
send_reply(sptr, RPL_YOUREOPER);
if (IsAdmin(sptr)) {
sendto_allops(&me, SNO_OLDSNO, "%s (%s@%s) is now an IRC Administrator",
parv[0], cli_user(sptr)->username, cli_sockhost(sptr));
/* Autojoin admins to admin channel and oper channel (if enabled) */
if (feature_bool(FEAT_AUTOJOIN_ADMIN)) {
if (feature_bool(FEAT_AUTOJOIN_ADMIN_NOTICE))
sendcmdto_one(&me, CMD_NOTICE, sptr, "%C :%s", sptr, feature_str(FEAT_AUTOJOIN_ADMIN_NOTICE_VALUE));
ircd_strncpy(chan, feature_str(FEAT_AUTOJOIN_ADMIN_CHANNEL), CHANNELLEN-1);
join[0] = cli_name(sptr);
join[1] = chan;
m_join(sptr, sptr, 2, join);
}
if (feature_bool(FEAT_AUTOJOIN_OPER) && IsOper(sptr)) {
if (feature_bool(FEAT_AUTOJOIN_OPER_NOTICE))
sendcmdto_one(&me, CMD_NOTICE, sptr, "%C :%s", sptr, feature_str(FEAT_AUTOJOIN_OPER_NOTICE_VALUE));
ircd_strncpy(chan, feature_str(FEAT_AUTOJOIN_OPER_CHANNEL), CHANNELLEN-1);
join[0] = cli_name(sptr);
join[1] = chan;
m_join(sptr, sptr, 2, join);
}
} else {
sendto_allops(&me, SNO_OLDSNO, "%s (%s@%s) is now an IRC Operator (%c)",
parv[0], cli_user(sptr)->username, cli_sockhost(sptr),
IsOper(sptr) ? 'O' : 'o');
if (feature_bool(FEAT_AUTOJOIN_OPER) && IsOper(sptr)) {
if (feature_bool(FEAT_AUTOJOIN_OPER_NOTICE))
sendcmdto_one(&me, CMD_NOTICE, sptr, "%C :%s", sptr, feature_str(FEAT_AUTOJOIN_OPER_NOTICE_VALUE));
ircd_strncpy(chan, feature_str(FEAT_AUTOJOIN_OPER_CHANNEL), CHANNELLEN-1);
join[0] = cli_name(sptr);
join[1] = chan;
m_join(sptr, sptr, 2, join);
}
}
if (feature_bool(FEAT_OPERMOTD))
m_opermotd(sptr, sptr, 1, parv);
log_write(LS_OPER, L_INFO, 0, "OPER (%s) by (%#C)", name, sptr);
ircd_snprintf(0, cli_user(sptr)->response, BUFSIZE+1, "%s", "");
return 0;
}
ircd_snprintf(0, cli_user(sptr)->response, BUFSIZE+1, "%s", "");
ircd_snprintf(0, cli_user(sptr)->auth_oper, NICKLEN+1, "%s", "");
aconf = find_conf_exact(parv[1], cli_user(sptr)->realusername,
cli_user(sptr)->realhost, CONF_OPS);
if (!aconf)
aconf = find_conf_exact(parv[1], cli_user(sptr)->realusername,
ircd_ntoa((const char*) &(cli_ip(sptr))), CONF_OPS);
if (!aconf)
aconf = find_conf_cidr(parv[1], cli_user(sptr)->realusername,
cli_ip(sptr), CONF_OPS);
if (aconf == NULL)
{
send_reply(sptr, ERR_NOOPERHOST);
failed_challenge_notice(sptr, parv[1], "No o:line");
sendto_allops(&me, SNO_OLDREALOP, "Failed OPER attempt by %s (%s@%s) (No O:line)",
parv[0], cli_user(sptr)->realusername, cli_sockhost(sptr));
return 0;
}
if (!(aconf->port & OFLAG_RSA))
{
send_reply(sptr, RPL_NO_CHALL);
return 0;
}
if (!verify_sslclifp(sptr, aconf))
{
sendto_allops(&me, SNO_OLDREALOP,
"Failed OPER attempt by %s (%s@%s) (SSL Fingerprint Missmatch)",
parv[0], cli_user(sptr)->realusername,
cli_user(sptr)->realhost);
send_reply(sptr, ERR_SSLCLIFP);
return 0;
}
if ((file = BIO_new_file(aconf->passwd, "r")) == NULL)
{
send_reply(sptr, RPL_NO_KEY);
return 0;
}
rsa_public_key = (RSA *)PEM_read_bio_RSA_PUBKEY(file, NULL, 0, NULL);
if (rsa_public_key == NULL)
return send_reply(sptr, RPL_INVALID_KEY);
if (!generate_challenge(&challenge, rsa_public_key, sptr)) {
Debug((DEBUG_DEBUG, "generating challenge sum (%s)", challenge));
send_reply(sptr, RPL_RSACHALLENGE, challenge);
ircd_snprintf(0, cli_user(sptr)->auth_oper, NICKLEN + 1, "%s", aconf->name);
}
nl = BIO_set_close(file, BIO_CLOSE);
BIO_free(file);
return 1;
#else
return 1;
#endif
}
/*
* m_oper - generic message handler
*/
int m_oper(struct Client* cptr, struct Client* sptr, int parc, char* parv[])
{
struct ConfItem* aconf;
char* name;
char* password;
assert(0 != cptr);
assert(cptr == sptr);
name = parc > 1 ? parv[1] : 0;
password = parc > 2 ? parv[2] : 0;
if (EmptyString(name) || EmptyString(password))
return need_more_params(sptr, "OPER");
aconf = find_conf_exact(name, sptr, CONF_OPERATOR);
if (!aconf || IsIllegal(aconf))
{
send_reply(sptr, ERR_NOOPERHOST);
sendto_opmask_butone(0, SNO_OLDREALOP, "Failed staff authentication attempt by %s (%s@%s)",
parv[0], cli_user(sptr)->username, cli_sockhost(sptr));
return 0;
}
assert(0 != (aconf->status & CONF_OPERATOR));
if (oper_password_match(password, aconf->passwd))
{
struct Flags old_mode = cli_flags(sptr);
if (ACR_OK != attach_conf(sptr, aconf)) {
send_reply(sptr, ERR_NOOPERHOST);
sendto_opmask_butone(0, SNO_OLDREALOP, "Failed staff authentication attempt by %s "
"(%s@%s)", parv[0], cli_user(sptr)->username,
cli_sockhost(sptr));
return 0;
}
SetLocOp(sptr);
client_set_privs(sptr, aconf);
if (HasPriv(sptr, PRIV_PROPAGATE))
{
ClearLocOp(sptr);
SetOper(sptr);
++UserStats.opers;
}
cli_handler(cptr) = OPER_HANDLER;
SetFlag(sptr, FLAG_WALLOP);
SetFlag(sptr, FLAG_SERVNOTICE);
SetFlag(sptr, FLAG_DEBUG);
set_snomask(sptr, SNO_OPERDEFAULT, SNO_ADD);
cli_max_sendq(sptr) = 0; /* Get the sendq from the oper's class */
send_umode_out(cptr, sptr, &old_mode, HasPriv(sptr, PRIV_PROPAGATE));
send_reply(sptr, RPL_YOUREOPER);
sendto_opmask_butone(0, SNO_OLDSNO, "%s (%s@%s) has authenticated as staff",
parv[0], cli_user(sptr)->username, cli_sockhost(sptr));
log_write(LS_OPER, L_INFO, 0, "OPER (%s) by (%#C)", name, sptr);
}
else
{
send_reply(sptr, ERR_PASSWDMISMATCH);
sendto_opmask_butone(0, SNO_OLDREALOP, "Failed staff authentication attempt by %s (%s@%s)",
parv[0], cli_user(sptr)->username, cli_sockhost(sptr));
}
return 0;
}
void relay_channel_message(struct Client* sptr, const char* name, const char* text)
{
struct Channel* chptr;
struct Membership *member;
assert(0 != sptr);
assert(0 != name);
assert(0 != text);
if (0 == (chptr = FindChannel(name))) {
send_reply(sptr, ERR_NOSUCHCHANNEL, name);
return;
}
/*
* This first: Almost never a server/service
*/
if (!client_can_send_to_channel(sptr, chptr) && !(cli_flags(sptr) & FLAGS_CHSERV)) {
send_reply(sptr, ERR_CANNOTSENDTOCHAN, chptr->chname);
return;
}
/* Los ctcps empiezan con el ASCII numero 1 */
if ((strlen(text) > 1) && (chptr->rhmode.mode & RHMODE_NOCTCP) &&
(text[0] == 1) && (strncasecmp(text+1, ACTION_STR, ACTION_STR_LEN)))
{
member = find_member_link(chptr, sptr);
if (!member || (!es_representante(sptr) && !IsPreoper(sptr) && !IsVoicedOrOpped(member)))
{
send_reply(sptr, ERR_CANNOTSENDTOCHAN, chptr->chname);
return;
}
}
if ((chptr->mode.mode & MODE_NOPRIVMSGS) &&
check_target_limit(sptr, chptr, chptr->chname, 0))
return;
/* Parseo de los colores en el texto a un canal si tiene +c */
if (MyUser(sptr) && !es_representante(sptr)) {
int flags = 0;
char *texto_procesado;
if (chptr->rhmode.mode & (RHMODE_NOCOLOR | RHMODE_BADWORDS))
member = find_member_link(chptr, sptr);
if (chptr->rhmode.mode & RHMODE_NOCOLOR) {
if (member && !IsVoicedOrOpped(member)) {
int len = strlen(text);
correct_colors((char *)text);
if (len != strlen(text))
{
send_reply(sptr, ERR_NOCOLORSCHAN, chptr->chname);
}
}
}
if (chptr->rhmode.mode & RHMODE_BADWORDS)
{
if (member) {
if (!(member->status & (CHFL_CHANOP | CHFL_OWNER | CHFL_HALFOP)))
flags = (BADWORDS_CHANNEL | BADWORDS_CHANPRIO);
} else
flags = (BADWORDS_CHANNEL | BADWORDS_CHANPRIO);
}
else
flags = (BADWORDS_CHANPRIO);
if ((texto_procesado = process_badwords(text, flags)) != NULL)
{
sendcmdto_channel_butone(sptr, CMD_PRIVATE, chptr, cli_from(sptr),
SKIP_DEAF | SKIP_BURST, "%H :%s", chptr, texto_procesado);
return;
}
}
sendcmdto_channel_butone(sptr, CMD_PRIVATE, chptr, cli_from(sptr),
SKIP_DEAF | SKIP_BURST, "%H :%s", chptr, text);
}
static void dump_map(struct Client *cptr, struct Client *server, char *mask, int prompt_length)
{
static char prompt[64];
struct DLink *lp;
char *p = &prompt[prompt_length];
int cnt = 0;
*p = '\0';
if (prompt_length > 60)
send_reply(cptr, RPL_MAPMORE, prompt, cli_name(server));
else {
char lag[512];
int showserv = 1;
unsigned int totalusers = UserStats.clients;
unsigned int percentage;
unsigned int serv_clients;
if (totalusers == 0)
totalusers = 1; /* ¿? NO deberia ocurrir nunca... */
percentage = (10000 * (IsMe(server) ? UserStats.local_clients : cli_serv(server)->clients)) / totalusers;
if (IsMe(server))
strcpy(lag,"(0s)");
else if (cli_serv(server)->lag>10000)
lag[0]=0;
else if (cli_serv(server)->lag<0)
strcpy(lag,"(0s)");
else
sprintf(lag,"(%is)",cli_serv(server)->lag);
if (IsHiddenserv(server) && !feature_bool(FEAT_SHOWSERVON_MAP))
if (!IsAnOper(cptr) && !es_representante(cptr))
showserv = 0;
serv_clients = (server == &me) ? UserStats.local_clients : cli_serv(server)->clients;
send_reply(cptr, RPL_MAP, prompt, (
(IsBurst(server)) ? "*" : (IsBurstAck(server) ? "!" : "")),
showserv ? cli_name(server) : feature_str(FEAT_HIS_SERVERNAME),
lag, NumServ(server), base64toint(NumServ(server)), serv_clients,
(serv_clients == 1) ? "" : "s",
(percentage / 100), (percentage % 100));
}
if (prompt_length > 0)
{
p[-1] = ' ';
if (p[-2] == '`')
p[-2] = ' ';
}
if (prompt_length > 60)
return;
strcpy(p, "|-");
for (lp = cli_serv(server)->down; lp; lp = lp->next)
if (match(mask, cli_name(lp->value.cptr)))
cli_flags(lp->value.cptr) &= ~FLAGS_MAP;
else
{
cli_flags(lp->value.cptr) |= FLAGS_MAP;
cnt++;
}
for (lp = cli_serv(server)->down; lp; lp = lp->next)
{
if ((cli_flags(lp->value.cptr) & FLAGS_MAP) == 0)
continue;
if (--cnt == 0)
*p = '`';
dump_map(cptr, lp->value.cptr, mask, prompt_length + 2);
}
if (prompt_length > 0)
p[-1] = '-';
}
void do_oper(struct Client* cptr, struct Client* sptr, struct ConfItem* aconf)
{
struct Flags old_mode = cli_flags(sptr);
char* modes;
char* parv[2];
char* join[3];
char chan[CHANNELLEN-1];
char* ajoinchan;
char* ajoinnotice;
unsigned int snomask = 0;
parv[0] = cli_name(sptr);
parv[1] = NULL;
SetOper(sptr);
client_set_privs(sptr, aconf);
ClearOper(sptr);
snomask = ConfSnoMask(aconf) & SNO_ALL;
snomask |= aconf->snomask & SNO_ALL;
ajoinchan = ConfAjoinChan(aconf);
ajoinnotice = ConfAjoinNotice(aconf);
if (MyUser(sptr)) {
SetLocOp(sptr);
if (HasPriv(sptr, PRIV_PROPAGATE))
{
ClearLocOp(sptr);
SetOper(sptr);
if (HasPriv(sptr, PRIV_ADMIN))
SetAdmin(sptr);
if (!IsHideOper(sptr) && !IsChannelService(sptr) && !IsBot(sptr))
++UserStats.opers;
}
cli_handler(sptr) = OPER_HANDLER;
SetFlag(sptr, FLAG_WALLOP);
SetFlag(sptr, FLAG_SERVNOTICE);
SetFlag(sptr, FLAG_DEBUG);
if (snomask)
set_snomask(sptr, snomask, SNO_ADD);
else
set_snomask(sptr, feature_int(FEAT_SNOMASK_OPERDEFAULT), SNO_ADD);
cli_max_sendq(sptr) = 0; /* Get the sendq from the oper's class */
cli_max_recvq(sptr) = 0; /* Get the recvq from the oper's class */
cli_lag_min(sptr) = -2; /* Get the fake lag minimum from the oper's class */
cli_lag_factor(sptr) = -2; /* Get the fake lag factor from the oper's class */
send_umode_out(sptr, sptr, &old_mode, HasPriv(sptr, PRIV_PROPAGATE));
} else {
client_send_privs(&me, sptr, sptr);
if (HasPriv(sptr, PRIV_PROPAGATE)) {
modes = (HasPriv(sptr, PRIV_ADMIN) ? "aowsg" : "owsg");
} else {
modes = "Owsg";
}
sendcmdto_one(&me, CMD_MODE, sptr, "%s %s", cli_name(sptr), modes);
}
modes = ConfUmode(aconf);
if (modes) {
if (MyUser(sptr)) {
char *umodev[] = { NULL, NULL, NULL, NULL };
umodev[1] = cli_name(sptr);
umodev[2] = modes;
old_mode = cli_flags(sptr);
set_user_mode(sptr, sptr, 3, umodev, ALLOWMODES_ANY);
send_umode(NULL, sptr, &old_mode, HasPriv(sptr, PRIV_PROPAGATE));
if ((cli_snomask(sptr) != feature_int(FEAT_SNOMASK_OPERDEFAULT)) &&
HasFlag(sptr, FLAG_SERVNOTICE))
send_reply(sptr, RPL_SNOMASK, cli_snomask(sptr), cli_snomask(sptr));
} else {
if (snomask)
sendcmdto_one(&me, CMD_MODE, sptr, "%s %s+s +%d", cli_name(sptr), modes, snomask);
else
sendcmdto_one(&me, CMD_MODE, sptr, "%s %s", cli_name(sptr), modes);
}
}
send_reply(sptr, RPL_YOUREOPER);
if ((feature_int(FEAT_HOST_HIDING_STYLE) == 1) ||
(feature_int(FEAT_HOST_HIDING_STYLE) == 3))
hide_hostmask(sptr);
if (!EmptyString(ajoinchan))
{
if (!EmptyString(ajoinnotice))
sendcmdto_one(&me, CMD_NOTICE, sptr, "%C :%s", sptr, ajoinnotice);
ircd_strncpy(chan, ajoinchan, CHANNELLEN-1);
join[0] = cli_name(sptr);
join[1] = chan;
join[2] = NULL;
m_join(sptr, sptr, 2, join);
}
if (!EmptyString(aconf->autojoinchan))
{
if (!EmptyString(aconf->autojoinnotice))
sendcmdto_one(&me, CMD_NOTICE, sptr, "%C :%s", sptr, aconf->autojoinnotice);
ircd_strncpy(chan, aconf->autojoinchan, CHANNELLEN-1);
join[0] = cli_name(sptr);
join[1] = chan;
join[2] = NULL;
m_join(sptr, sptr, 2, join);
}
sendto_opmask_butone_global((MyUser(sptr) ? &me : NULL), SNO_OLDSNO,
"%s (%s@%s) is now operator (%c)",
cli_name(sptr), cli_user(sptr)->username, cli_user(sptr)->realhost,
IsOper(sptr) ? 'O' : 'o');
if (feature_bool(FEAT_OPERMOTD))
m_opermotd(sptr, sptr, 1, parv);
log_write(LS_OPER, L_INFO, 0, "OPER (%s) by (%#C)", aconf->name, sptr);
}
