232 lines
6.7 KiB
C
232 lines
6.7 KiB
C
/*
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* ircd-ratbox: A slightly useful ircd.
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* m_oper.c: Makes a user an IRC Operator.
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*
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* Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center
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* Copyright (C) 1996-2002 Hybrid Development Team
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* Copyright (C) 2002-2005 ircd-ratbox development team
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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* USA
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*/
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#include "stdinc.h"
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#include "client.h"
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#include "match.h"
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#include "ircd.h"
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#include "numeric.h"
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#include "s_conf.h"
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#include "s_newconf.h"
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#include "logger.h"
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#include "s_user.h"
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#include "s_serv.h"
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#include "send.h"
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#include "msg.h"
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#include "parse.h"
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#include "modules.h"
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#include "packet.h"
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#include "cache.h"
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static const char oper_desc[] = "Provides the OPER command to become an IRC operator";
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static void m_oper(struct MsgBuf *, struct Client *, struct Client *, int, const char **);
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static void mc_oper(struct MsgBuf *, struct Client *, struct Client *, int, const char **);
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static bool match_oper_password(const char *password, struct oper_conf *oper_p);
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struct Message oper_msgtab = {
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"OPER", 0, 0, 0, 0,
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{mg_unreg, {m_oper, 3}, {mc_oper, 3}, mg_ignore, mg_ignore, {m_oper, 3}}
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};
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mapi_clist_av1 oper_clist[] = { &oper_msgtab, NULL };
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DECLARE_MODULE_AV2(oper, NULL, NULL, oper_clist, NULL, NULL, NULL, NULL, oper_desc);
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/*
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* m_oper
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* parv[1] = oper name
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* parv[2] = oper password
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*/
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static void
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m_oper(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
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{
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struct oper_conf *oper_p;
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const char *name;
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const char *password;
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name = parv[1];
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password = parv[2];
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if(IsOper(source_p))
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{
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sendto_one(source_p, form_str(RPL_YOUREOPER), me.name, source_p->name);
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send_oper_motd(source_p);
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return;
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}
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/* end the grace period */
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if(!IsFloodDone(source_p))
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flood_endgrace(source_p);
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oper_p = find_oper_conf(source_p->username, source_p->orighost,
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source_p->sockhost, name);
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if(oper_p == NULL)
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{
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sendto_one_numeric(source_p, ERR_NOOPERHOST, form_str(ERR_NOOPERHOST));
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ilog(L_FOPER, "FAILED OPER (%s) by (%s!%s@%s) (%s)",
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name, source_p->name,
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source_p->username, source_p->host, source_p->sockhost);
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if(ConfigFileEntry.failed_oper_notice)
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{
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sendto_realops_snomask(SNO_GENERAL, L_NETWIDE,
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"Failed OPER attempt - host mismatch by %s (%s@%s)",
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source_p->name, source_p->username, source_p->host);
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}
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return;
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}
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if(IsOperConfNeedSSL(oper_p) && !IsSecureClient(source_p))
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{
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sendto_one_numeric(source_p, ERR_NOOPERHOST, form_str(ERR_NOOPERHOST));
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ilog(L_FOPER, "FAILED OPER (%s) by (%s!%s@%s) (%s) -- requires SSL/TLS",
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name, source_p->name,
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source_p->username, source_p->host, source_p->sockhost);
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if(ConfigFileEntry.failed_oper_notice)
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{
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sendto_realops_snomask(SNO_GENERAL, L_ALL,
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"Failed OPER attempt - missing SSL/TLS by %s (%s@%s)",
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source_p->name, source_p->username, source_p->host);
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}
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return;
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}
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if (oper_p->certfp != NULL)
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{
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if (source_p->certfp == NULL || rb_strcasecmp(source_p->certfp, oper_p->certfp))
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{
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sendto_one_numeric(source_p, ERR_NOOPERHOST, form_str(ERR_NOOPERHOST));
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ilog(L_FOPER, "FAILED OPER (%s) by (%s!%s@%s) (%s) -- client certificate fingerprint mismatch",
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name, source_p->name,
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source_p->username, source_p->host, source_p->sockhost);
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if(ConfigFileEntry.failed_oper_notice)
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{
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sendto_realops_snomask(SNO_GENERAL, L_ALL,
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"Failed OPER attempt - client certificate fingerprint mismatch by %s (%s@%s)",
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source_p->name, source_p->username, source_p->host);
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}
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return;
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}
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}
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if(match_oper_password(password, oper_p))
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{
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oper_up(source_p, oper_p);
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ilog(L_OPERED, "OPER %s by %s!%s@%s (%s)",
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name, source_p->name, source_p->username, source_p->host,
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source_p->sockhost);
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return;
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}
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else
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{
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sendto_one(source_p, form_str(ERR_PASSWDMISMATCH),
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me.name, source_p->name);
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ilog(L_FOPER, "FAILED OPER (%s) by (%s!%s@%s) (%s)",
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name, source_p->name, source_p->username, source_p->host,
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source_p->sockhost);
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if(ConfigFileEntry.failed_oper_notice)
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{
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sendto_realops_snomask(SNO_GENERAL, L_NETWIDE,
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"Failed OPER attempt by %s (%s@%s)",
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source_p->name, source_p->username, source_p->host);
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}
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}
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}
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/*
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* mc_oper - server-to-server OPER propagation
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* parv[1] = opername
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* parv[2] = privset
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*/
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static void
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mc_oper(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
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{
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struct PrivilegeSet *privset;
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sendto_server(client_p, NULL, CAP_TS6, NOCAPS, ":%s OPER %s %s", use_id(source_p), parv[1], parv[2]);
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privset = privilegeset_get(parv[2]);
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if(privset == NULL)
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{
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/* if we don't have a matching privset, we'll create an empty one and
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* mark it illegal, so it gets picked up on a rehash later */
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sendto_realops_snomask(SNO_GENERAL, L_NETWIDE, "Received OPER for %s with unknown privset %s", source_p->name, parv[2]);
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privset = privilegeset_set_new(parv[2], "", 0);
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privset->status |= CONF_ILLEGAL;
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}
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privset = privilegeset_ref(privset);
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if (source_p->user->privset != NULL)
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privilegeset_unref(source_p->user->privset);
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source_p->user->privset = privset;
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source_p->user->opername = rb_strdup(parv[1]);
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}
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/*
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* match_oper_password
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*
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* inputs - pointer to given password
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* - pointer to Conf
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* output - true if match, false otherwise
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* side effects - none
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*/
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static bool
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match_oper_password(const char *password, struct oper_conf *oper_p)
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{
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const char *encr;
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/* passwd may be NULL pointer. Head it off at the pass... */
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if(EmptyString(oper_p->passwd))
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return false;
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if(IsOperConfEncrypted(oper_p))
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{
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/* use first two chars of the password they send in as salt */
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/* If the password in the conf is MD5, and ircd is linked
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* to scrypt on FreeBSD, or the standard crypt library on
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* glibc Linux, then this code will work fine on generating
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* the proper encrypted hash for comparison.
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*/
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if(!EmptyString(password))
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encr = rb_crypt(password, oper_p->passwd);
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else
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encr = "";
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}
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else
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encr = password;
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if(encr != NULL && strcmp(encr, oper_p->passwd) == 0)
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return true;
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else
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return false;
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}
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