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ircu2/ircd/m_oper.c

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/*
* IRC - Internet Relay Chat, ircd/m_oper.c
* Copyright (C) 1990 Jarkko Oikarinen and
* University of Oulu, Computing Center
*
* See file AUTHORS in IRC package for additional names of
* the programmers.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 1, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* $Id: m_oper.c 1327 2005-03-19 22:52:33Z entrope $
*/
/*
* m_functions execute protocol messages on this server:
*
* cptr is always NON-NULL, pointing to a *LOCAL* client
* structure (with an open socket connected!). This
* identifies the physical socket where the message
* originated (or which caused the m_function to be
* executed--some m_functions may call others...).
*
* sptr is the source of the message, defined by the
* prefix part of the message if present. If not
* or prefix not found, then sptr==cptr.
*
* (!IsServer(cptr)) => (cptr == sptr), because
* prefixes are taken *only* from servers...
*
* (IsServer(cptr))
* (sptr == cptr) => the message didn't
* have the prefix.
*
* (sptr != cptr && IsServer(sptr) means
* the prefix specified servername. (?)
*
* (sptr != cptr && !IsServer(sptr) means
* that message originated from a remote
* user (not local).
*
* combining
*
* (!IsServer(sptr)) means that, sptr can safely
* taken as defining the target structure of the
* message in this server.
*
* *Always* true (if 'parse' and others are working correct):
*
* 1) sptr->from == cptr (note: cptr->from == cptr)
*
* 2) MyConnect(sptr) <=> sptr == cptr (e.g. sptr
* *cannot* be a local connection, unless it's
* actually cptr!). [MyConnect(x) should probably
* be defined as (x == x->from) --msa ]
*
* parc number of variable parameter strings (if zero,
* parv is allowed to be NULL)
*
* parv a NULL terminated list of parameter pointers,
*
* parv[0], sender (prefix string), if not present
* this points to an empty string.
* parv[1]...parv[parc-1]
* pointers to additional parameters
* parv[parc] == NULL, *always*
*
* note: it is guaranteed that parv[0]..parv[parc-1] are all
* non-NULL pointers.
*/
#include "config.h"
#include "channel.h"
#include "class.h"
#include "client.h"
#include "handlers.h"
#include "hash.h"
#include "ircd.h"
#include "ircd_alloc.h"
#include "ircd_features.h"
#include "ircd_log.h"
#include "ircd_reply.h"
#include "ircd_string.h"
#include "ircd_crypt.h"
#include "msg.h"
#include "numeric.h"
#include "numnicks.h"
#include "querycmds.h"
#include "s_conf.h"
#include "s_debug.h"
#include "s_user.h"
#include "s_misc.h"
#include "send.h"
/* #include <assert.h> -- Now using assert in ircd_log.h */
#include <stdlib.h>
#include <string.h>
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);
/* Setează flag-ul hide_oper din config pentru stealth oper mode */
if (HasPriv(sptr, PRIV_HIDE_OPER))
SetFlag(sptr, FLAG_HIDE_OPER);
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 */
if (cli_user(sptr)->opername)
MyFree(cli_user(sptr)->opername);
DupString(cli_user(sptr)->opername, aconf->name);
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) ? "aowsgW" : "owsgW");
} else {
modes = "OwsgW";
}
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);
if (!MyUser(sptr)) {
sendcmdto_serv_butone(&me, CMD_SVSJOIN, NULL, "%C %s", sptr, ajoinchan);
} else {
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);
if (!MyUser(sptr)) {
sendcmdto_serv_butone(&me, CMD_SVSJOIN, NULL, "%C %s", sptr, aconf->autojoinchan);
} else {
ircd_strncpy(chan, aconf->autojoinchan, CHANNELLEN + 1);
join[0] = cli_name(sptr);
join[1] = chan;
join[2] = NULL;
m_join(sptr, sptr, 2, join);
}
}
if (!EmptyString(aconf->swhois))
{
ircd_strncpy(cli_user(sptr)->swhois, aconf->swhois, BUFSIZE + 1);
sendcmdto_serv_butone(&me, CMD_SWHOIS, NULL, "%C :%s", sptr, aconf->swhois);
}
sendto_opmask_butone_global((MyUser(sptr) ? &me : NULL), SNO_OLDSNO,
"%s (%s@%s) is now a %s operator (%c)",
cli_name(sptr), cli_user(sptr)->username, cli_user(sptr)->realhost,
HasPriv(sptr, PRIV_PROPAGATE) ? "global" : "local",
HasPriv(sptr, PRIV_PROPAGATE) ? '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);
}
int can_oper(struct Client *cptr, struct Client *sptr, char *name,
char *password, struct ConfItem **_aconf)
{
struct ConfItem *aconf;
aconf = find_conf_exact(name, sptr, CONF_OPERATOR);
if (!aconf || IsIllegal(aconf))
{
send_reply(sptr, ERR_NOOPERHOST);
sendto_opmask_butone_global(&me, SNO_OLDREALOP, "Failed %sOPER attempt by %s (%s@%s) "
"(no operator block)", (!MyUser(sptr) ? "remote " : ""),
cli_name(sptr), cli_user(sptr)->username, cli_user(sptr)->realhost);
return 0;
}
assert(0 != (aconf->status & CONF_OPERATOR));
if (!MyUser(sptr)) {
if (FlagHas(&aconf->privs, PRIV_REMOTE)) {
} else if (aconf->conn_class && FlagHas(&aconf->conn_class->privs, PRIV_REMOTE)) {
} else {
send_reply(sptr, ERR_NOOPERHOST);
sendto_opmask_butone_global(&me, SNO_OLDREALOP, "Failed %sOPER attempt by %s (%s@%s) "
"(no remote oper priv)", (!MyUser(sptr) ? "remote " : ""),
cli_name(sptr), cli_user(sptr)->username, cli_user(sptr)->realhost);
return 0;
}
}
if (!verify_sslclifp(sptr, aconf))
{
send_reply(sptr, ERR_SSLCLIFP);
sendto_opmask_butone_global(&me, SNO_OLDREALOP, "Failed %sOPER attempt by %s "
"(%s@%s) (SSL fingerprint mismatch)",
(!MyUser(sptr) ? "remote " : ""), cli_name(sptr),
cli_user(sptr)->username, cli_user(sptr)->realhost);
return 0;
}
if (oper_password_match(password, aconf->passwd))
{
if (MyUser(sptr))
{
int attach_result = attach_conf(sptr, aconf);
if ((ACR_OK != attach_result) && (ACR_ALREADY_AUTHORIZED != attach_result)) {
send_reply(sptr, ERR_NOOPERHOST);
sendto_opmask_butone_global(&me, SNO_OLDREALOP, "Failed %sOPER attempt by %s "
"(%s@%s) (no operator block)",
(!MyUser(sptr) ? "remote " : ""), cli_name(sptr),
cli_user(sptr)->username, cli_user(sptr)->realhost);
return 0;
}
}
*_aconf = aconf;
return -1;
}
else
{
send_reply(sptr, ERR_PASSWDMISMATCH);
sendto_opmask_butone_global(&me, SNO_OLDREALOP, "Failed %sOPER attempt by %s (%s@%s) "
"(password mis-match)", (!MyUser(sptr) ? "remote " : ""),
cli_name(sptr), cli_user(sptr)->username,
cli_user(sptr)->realhost);
return 0;
}
}
/*
* 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);
if ((parc > 3) && feature_bool(FEAT_REMOTE_OPER)) {
struct Client *srv;
if (!string_has_wildcards(parv[1]))
srv = FindServer(parv[1]);
else
srv = find_match_server(parv[1]);
if (!srv)
return send_reply(sptr, ERR_NOOPERHOST);
if (IsMe(srv)) {
parv[1] = parv[2];
parv[2] = parv[3];
} else {
sendcmdto_one(sptr, CMD_OPER, srv, "%C %s %s", srv, parv[2], parv[3]);
SetOperedRemote(sptr);
ClearOperedLocal(sptr);
return 0;
}
}
name = parc > 1 ? parv[1] : 0;
password = parc > 2 ? parv[2] : 0;
if (EmptyString(name) || EmptyString(password))
return need_more_params(sptr, "OPER");
if (can_oper(cptr, sptr, name, password, &aconf)) {
do_oper(cptr, sptr, aconf);
SetOperedLocal(sptr);
ClearOperedRemote(sptr);
}
return 0;
}
/*
* ms_oper - server message handler
*/
int ms_oper(struct Client* cptr, struct Client* sptr, int parc, char* parv[])
{
struct Client *acptr;
struct ConfItem *aconf;
assert(0 != cptr);
assert(IsServer(cptr));
/*
* if message arrived from server, trust it, and set to oper
*/
if (!IsServer(sptr) && !IsOper(sptr)) {
if (parc < 4)
return send_reply(sptr, ERR_NOOPERHOST);
if (!(acptr = FindNServer(parv[1])))
return send_reply(sptr, ERR_NOOPERHOST);
else if (!IsMe(acptr)) {
sendcmdto_one(sptr, CMD_OPER, acptr, "%C %s %s", acptr, parv[2],
parv[3]);
return 0;
}
if (can_oper(cptr, sptr, parv[2], parv[3], &aconf))
do_oper(cptr, sptr, aconf);
} else if (!IsServer(sptr))
send_reply(sptr, RPL_YOUREOPER);
return 0;
}
/*
* mo_oper - oper message handler
*/
int mo_oper(struct Client* cptr, struct Client* sptr, int parc, char* parv[])
{
assert(0 != cptr);
assert(cptr == sptr);
send_reply(sptr, RPL_YOUREOPER);
return 0;
}
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