/*
 * Copyright (C) 1997-2003 Luke Howard. This file is part of the nss_ldap library. Contributed by Luke Howard, <lukeh@padl.com>, 2000.
 * 
 * The nss_ldap library is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
 * 
 * The nss_ldap library 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 Library General Public License for more details.
 * 
 * You should have received a copy of the GNU Library General Public License along with the nss_ldap library; see the file COPYING.LIB.  If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 * 
 * $Id: ldap-schema.c,v 2.14 2003/01/30 10:06:46 lukeh Exp $
 */

/*static char rcsId[] =
"$Id: ldap-schema.c,v 2.14 2003/01/30 10:06:46 lukeh Exp $";*/

#include "config.h"

#ifdef HAVE_PORT_BEFORE_H
#include <port_before.h>
#endif

#ifdef HAVE_THREAD_H
#include <thread.h>
#elif defined(HAVE_PTHREAD_H)
#include <pthread.h>
#endif

#include <stdlib.h>
#include <unistd.h>
#include <netdb.h>
#include <stdio.h>
#include <string.h>
#include <syslog.h>

#ifdef HAVE_LBER_H
#include <lber.h>
#endif
#ifdef HAVE_LDAP_H
#include <ldap.h>
#endif

#ifndef HAVE_SNPRINTF
#include "snprintf.h"
#endif				/* HAVE_SNPRINTF */
#include "ldap-nss.h"
#include "ldap-schema.h"

#ifdef HAVE_PORT_AFTER_H
#nclude <port_after.h>
#endif


/**
 * declare filters formerly declared in ldap-*.h
 */

/* rfc822 mail aliases */
char _nss_ldap_filt_getaliasbyname[LDAP_FILT_MAXSIZ];
char _nss_ldap_filt_getaliasent[LDAP_FILT_MAXSIZ];

/* boot parameters */
char _nss_ldap_filt_getbootparamsbyname[LDAP_FILT_MAXSIZ];

/* MAC address mappings */
char _nss_ldap_filt_gethostton[LDAP_FILT_MAXSIZ];
char _nss_ldap_filt_getntohost[LDAP_FILT_MAXSIZ];
char _nss_ldap_filt_getetherent[LDAP_FILT_MAXSIZ];

/* groups */
char _nss_ldap_filt_getgrnam[LDAP_FILT_MAXSIZ];
char _nss_ldap_filt_getgrgid[LDAP_FILT_MAXSIZ];
char _nss_ldap_filt_getgrent[LDAP_FILT_MAXSIZ];
#ifdef RFC2307BIS
char _nss_ldap_filt_getgroupsbymemberanddn[LDAP_FILT_MAXSIZ];
#endif				/* RFC2307BIS */
char _nss_ldap_filt_getgroupsbymember[LDAP_FILT_MAXSIZ];

/* IP hosts */
char _nss_ldap_filt_gethostbyname[LDAP_FILT_MAXSIZ];
char _nss_ldap_filt_gethostbyaddr[LDAP_FILT_MAXSIZ];
char _nss_ldap_filt_gethostent[LDAP_FILT_MAXSIZ];

/* IP networks */
char _nss_ldap_filt_getnetbyname[LDAP_FILT_MAXSIZ];
char _nss_ldap_filt_getnetbyaddr[LDAP_FILT_MAXSIZ];
char _nss_ldap_filt_getnetent[LDAP_FILT_MAXSIZ];

/* IP protocols */
char _nss_ldap_filt_getprotobyname[LDAP_FILT_MAXSIZ];
char _nss_ldap_filt_getprotobynumber[LDAP_FILT_MAXSIZ];
char _nss_ldap_filt_getprotoent[LDAP_FILT_MAXSIZ];

/* users */
char _nss_ldap_filt_getpwnam[LDAP_FILT_MAXSIZ];
char _nss_ldap_filt_getpwuid[LDAP_FILT_MAXSIZ];
char _nss_ldap_filt_getpwent[LDAP_FILT_MAXSIZ];

/* RPCs */
char _nss_ldap_filt_getrpcbyname[LDAP_FILT_MAXSIZ];
char _nss_ldap_filt_getrpcbynumber[LDAP_FILT_MAXSIZ];
char _nss_ldap_filt_getrpcent[LDAP_FILT_MAXSIZ];

/* IP services */
char _nss_ldap_filt_getservbyname[LDAP_FILT_MAXSIZ];
char _nss_ldap_filt_getservbynameproto[LDAP_FILT_MAXSIZ];
char _nss_ldap_filt_getservbyport[LDAP_FILT_MAXSIZ];
char _nss_ldap_filt_getservbyportproto[LDAP_FILT_MAXSIZ];
char _nss_ldap_filt_getservent[LDAP_FILT_MAXSIZ];

/* shadow users */
char _nss_ldap_filt_getspnam[LDAP_FILT_MAXSIZ];
char _nss_ldap_filt_getspent[LDAP_FILT_MAXSIZ];

/* netgroups */
char _nss_ldap_filt_getnetgrent[LDAP_FILT_MAXSIZ];

/**
 * lookup filter initialization
 */
void
_nss_ldap_init_filters()
{
	/* rfc822 mail aliases */
	snprintf(_nss_ldap_filt_getaliasbyname, LDAP_FILT_MAXSIZ,
		"(&(objectclass=%s)(%s=%s))", OC(nisMailAlias), AT(cn), "%s");
	snprintf(_nss_ldap_filt_getaliasent, LDAP_FILT_MAXSIZ,
		"(objectclass=%s)", OC(nisMailAlias));

	/* boot parameters */
	snprintf(_nss_ldap_filt_getbootparamsbyname, LDAP_FILT_MAXSIZ,
		"(&(objectclass=%s)(%s=%s))", OC(bootableDevice), AT(cn), "%d");

	/* MAC address mappings */
	snprintf(_nss_ldap_filt_gethostton, LDAP_FILT_MAXSIZ,
		"(&(objectclass=%s)(%s=%s))", OC(ieee802Device), AT(cn), "%s");
	snprintf(_nss_ldap_filt_getntohost, LDAP_FILT_MAXSIZ,
		"(&(objectclass=%s)(%s=%s))", OC(ieee802Device), AT(macAddress),
		"%s");
	snprintf(_nss_ldap_filt_getetherent, LDAP_FILT_MAXSIZ, "(objectclass=%s)",
		OC(ieee802Device));

	/* groups */
	snprintf(_nss_ldap_filt_getgrnam, LDAP_FILT_MAXSIZ,
		"(&(objectclass=%s)(%s=%s))", OC(posixGroup), AT(cn), "%s");
	snprintf(_nss_ldap_filt_getgrgid, LDAP_FILT_MAXSIZ,
		"(&(objectclass=%s)(%s=%s))", OC(posixGroup), AT(gidNumber),
		"%d");
	snprintf(_nss_ldap_filt_getgrent, LDAP_FILT_MAXSIZ, "(&(objectclass=%s))",
		OC(posixGroup));
#ifdef RFC2307BIS
	snprintf(_nss_ldap_filt_getgroupsbymemberanddn, LDAP_FILT_MAXSIZ,
		"(&(objectclass=%s)(|(%s=%s)(%s=%s)))",
		OC(posixGroup), AT(memberUid), "%s", AT(uniqueMember), "%s");
#endif				/* RFC2307BIS */
	snprintf(_nss_ldap_filt_getgroupsbymember, LDAP_FILT_MAXSIZ,
		"(&(objectclass=%s)(%s=%s))", OC(posixGroup), AT(memberUid),
		"%s");

	/* IP hosts */
	snprintf(_nss_ldap_filt_gethostbyname, LDAP_FILT_MAXSIZ,
		"(&(objectclass=%s)(%s=%s))", OC(ipHost), AT(cn), "%s");
	snprintf(_nss_ldap_filt_gethostbyaddr, LDAP_FILT_MAXSIZ,
		"(&(objectclass=%s)(%s=%s))", OC(ipHost), AT(ipHostNumber),
		"%s");
	snprintf(_nss_ldap_filt_gethostent, LDAP_FILT_MAXSIZ, "(objectclass=%s)",
		OC(ipHost));

	/* IP networks */
	snprintf(_nss_ldap_filt_getnetbyname, LDAP_FILT_MAXSIZ,
		"(&(objectclass=%s)(%s=%s))", OC(ipNetwork), AT(cn), "%s");
	snprintf(_nss_ldap_filt_getnetbyaddr, LDAP_FILT_MAXSIZ,
		"(&(objectclass=%s)(%s=%s))", OC(ipNetwork),
		AT(ipNetworkNumber), "%s");
	snprintf(_nss_ldap_filt_getnetent, LDAP_FILT_MAXSIZ, "(objectclass=%s)",
		OC(ipNetwork));

	/* IP protocols */
	snprintf(_nss_ldap_filt_getprotobyname, LDAP_FILT_MAXSIZ,
		"(&(objectclass=%s)(%s=%s))", OC(ipProtocol), AT(cn), "%s");
	snprintf(_nss_ldap_filt_getprotobynumber, LDAP_FILT_MAXSIZ,
		"(&(objectclass=%s)(%s=%s))", OC(ipProtocol),
		AT(ipProtocolNumber), "%d");
	snprintf(_nss_ldap_filt_getprotoent, LDAP_FILT_MAXSIZ, "(objectclass=%s)",
		OC(ipProtocol));

	/* users */
	snprintf(_nss_ldap_filt_getpwnam, LDAP_FILT_MAXSIZ,
		"(&(objectclass=%s)(%s=%s))", OC(posixAccount), AT(uid), "%s");
	snprintf(_nss_ldap_filt_getpwuid, LDAP_FILT_MAXSIZ,
		"(&(objectclass=%s)(%s=%s))",
		OC(posixAccount), AT(uidNumber), "%d");
	snprintf(_nss_ldap_filt_getpwent, LDAP_FILT_MAXSIZ,
		"(objectclass=%s)", OC(posixAccount));

	/* RPCs */
	snprintf(_nss_ldap_filt_getrpcbyname, LDAP_FILT_MAXSIZ,
		"(&(objectclass=%s)(%s=%s))", OC(oncRpc), AT(cn), "%s");
	snprintf(_nss_ldap_filt_getrpcbynumber, LDAP_FILT_MAXSIZ,
		"(&(objectclass=%s)(%s=%s))", OC(oncRpc), AT(oncRpcNumber),
		"%d");
	snprintf(_nss_ldap_filt_getrpcent, LDAP_FILT_MAXSIZ, "(objectclass=%s)",
		OC(oncRpc));

	/* IP services */
	snprintf(_nss_ldap_filt_getservbyname, LDAP_FILT_MAXSIZ,
		"(&(objectclass=%s)(%s=%s))", OC(ipService), AT(cn), "%s");
	snprintf(_nss_ldap_filt_getservbynameproto, LDAP_FILT_MAXSIZ,
		"(&(objectclass=%s)(%s=%s)(%s=%s))",
		OC(ipService), AT(cn), "%s", AT(ipServiceProtocol), "%s");
	snprintf(_nss_ldap_filt_getservbyport, LDAP_FILT_MAXSIZ,
		"(&(objectclass=%s)(%s=%s))", OC(ipService), AT(ipServicePort),
		"%d");
	snprintf(_nss_ldap_filt_getservbyportproto, LDAP_FILT_MAXSIZ,
		"(&(objectclass=%s)(%s=%s)(%s=%s))", OC(ipService),
		AT(ipServicePort), "%d", AT(ipServiceProtocol), "%s");
	snprintf(_nss_ldap_filt_getservent, LDAP_FILT_MAXSIZ, "(objectclass=%s)",
		OC(ipService));

	/* shadow users */
	snprintf(_nss_ldap_filt_getspnam, LDAP_FILT_MAXSIZ,
		"(&(objectclass=%s)(%s=%s))", OC(shadowAccount), AT(uid), "%s");
	snprintf(_nss_ldap_filt_getspent, LDAP_FILT_MAXSIZ,
		"(objectclass=%s)", OC(shadowAccount));

	/* netgroups */
	snprintf(_nss_ldap_filt_getnetgrent, LDAP_FILT_MAXSIZ,
		"(&(objectclass=%s)(%s=%s))", OC(nisNetgroup), AT(cn), "%s");
}

#ifdef AT_OC_MAP
static void init_pwd_attributes(const char ***pwd_attrs);
static void init_sp_attributes(const char ***sp_attrs);
static void init_grp_attributes(const char ***grp_attrs);
static void init_hosts_attributes(const char ***hosts_attrs);
static void init_services_attributes(const char ***services_attrs);
static void init_network_attributes(const char ***network_attrs);
static void init_proto_attributes(const char ***proto_attrs);
static void init_rpc_attributes(const char ***rpc_attrs);
static void init_ethers_attributes(const char ***ethers_attrs);
static void init_bp_attributes(const char ***bp_attrs);
static void init_alias_attributes(const char ***alias_attrs);
static void init_netgrp_attributes(const char ***netgrp_attrs);

/**
 * attribute table initialization routines
 */
void
_nss_ldap_init_attributes(const char ***attrtab)
{
	init_pwd_attributes(&attrtab[LM_PASSWD]);
	init_sp_attributes(&attrtab[LM_SHADOW]);
	init_grp_attributes(&attrtab[LM_GROUP]);
	init_hosts_attributes(&attrtab[LM_HOSTS]);
	init_services_attributes(&attrtab[LM_SERVICES]);
	init_network_attributes(&attrtab[LM_NETWORKS]);
	init_proto_attributes(&attrtab[LM_PROTOCOLS]);
	init_rpc_attributes(&attrtab[LM_RPC]);
	init_ethers_attributes(&attrtab[LM_ETHERS]);
	init_network_attributes(&attrtab[LM_NETMASKS]);
	init_bp_attributes(&attrtab[LM_BOOTPARAMS]);
	init_alias_attributes(&attrtab[LM_ALIASES]);
	init_netgrp_attributes(&attrtab[LM_NETGROUP]);

	attrtab[LM_NONE] = NULL;
}

void
init_pwd_attributes(const char ***pwd_attrs)
{
	static const char *__pwd_attrs[ATTRTAB_SIZE + 1];

	(*pwd_attrs) = __pwd_attrs;

	(*pwd_attrs)[0] = AT(uid);
	(*pwd_attrs)[1] = AT(userPassword);
	(*pwd_attrs)[2] = AT(uidNumber);
	(*pwd_attrs)[3] = AT(gidNumber);
	(*pwd_attrs)[4] = AT(cn);
	(*pwd_attrs)[5] = AT(homeDirectory);
	(*pwd_attrs)[6] = AT(loginShell);
	(*pwd_attrs)[7] = AT(gecos);
	(*pwd_attrs)[8] = AT(description);
	(*pwd_attrs)[9] = AT(objectClass);
	(*pwd_attrs)[10] = NULL;
}

void
init_sp_attributes(const char ***sp_attrs)
{
	static const char *__sp_attrs[ATTRTAB_SIZE + 1];

	(*sp_attrs) = __sp_attrs;

	(*sp_attrs)[0] = (char *)AT(uid);
	(*sp_attrs)[1] = (char *)AT(userPassword);
	(*sp_attrs)[2] = (char *)AT(shadowLastChange);
	(*sp_attrs)[3] = (char *)AT(shadowMax);
	(*sp_attrs)[4] = (char *)AT(shadowMin);
	(*sp_attrs)[5] = (char *)AT(shadowWarning);
	(*sp_attrs)[6] = (char *)AT(shadowInactive);
	(*sp_attrs)[7] = (char *)AT(shadowExpire);
	(*sp_attrs)[8] = NULL;
}

void
init_grp_attributes(const char ***grp_attrs)
{
	int i = 0;
	static const char *__grp_attrs[ATTRTAB_SIZE + 1];

	(*grp_attrs) = __grp_attrs;

	(*grp_attrs)[i++] = (char *)AT(cn);
	(*grp_attrs)[i++] = (char *)AT(userPassword);
	(*grp_attrs)[i++] = (char *)AT(memberUid);
#ifdef RFC2307BIS
	(*grp_attrs)[i++] = (char *)AT(uniqueMember);
#endif				/* RFC2307BIS */
	(*grp_attrs)[i++] = (char *)AT(gidNumber);
	(*grp_attrs)[i] = NULL;
}

void
init_hosts_attributes(const char ***hosts_attrs)
{
	static const char *__hosts_attrs[ATTRTAB_SIZE + 1];

	(*hosts_attrs) = __hosts_attrs;

	(*hosts_attrs)[0] = (char *)AT(cn);
	(*hosts_attrs)[1] = (char *)AT(ipHostNumber);
	(*hosts_attrs)[2] = NULL;
}

void
init_services_attributes(const char ***services_attrs)
{
	static const char *__services_attrs[ATTRTAB_SIZE + 1];

	(*services_attrs) = __services_attrs;

	(*services_attrs)[0] = AT(cn);
	(*services_attrs)[1] = AT(ipServicePort);
	(*services_attrs)[2] = AT(ipServiceProtocol);
	(*services_attrs)[3] = NULL;
}

void
init_network_attributes(const char ***network_attrs)
{
	static const char *__network_attrs[ATTRTAB_SIZE + 1];

	(*network_attrs) = __network_attrs;

	(*network_attrs)[0] = AT(cn);
	(*network_attrs)[1] = AT(ipNetworkNumber);
	(*network_attrs)[2] = AT(ipNetmaskNumber);
	(*network_attrs)[3] = NULL;
}

void
init_proto_attributes(const char ***proto_attrs)
{
	static const char *__proto_attrs[ATTRTAB_SIZE + 1];

	(*proto_attrs) = __proto_attrs;

	(*proto_attrs)[0] = AT(cn);
	(*proto_attrs)[1] = AT(ipProtocolNumber);
	(*proto_attrs)[2] = NULL;
}

void
init_rpc_attributes(const char ***rpc_attrs)
{
	static const char *__rpc_attrs[ATTRTAB_SIZE + 1];

	(*rpc_attrs) = __rpc_attrs;

	(*rpc_attrs)[0] = AT(cn);
	(*rpc_attrs)[1] = AT(oncRpcNumber);
	(*rpc_attrs)[2] = NULL;
}

void
init_ethers_attributes(const char ***ethers_attrs)
{
	static const char *__ethers_attrs[ATTRTAB_SIZE + 1];

	(*ethers_attrs) = __ethers_attrs;

	(*ethers_attrs)[0] = AT(cn);
	(*ethers_attrs)[1] = AT(macAddress);
	(*ethers_attrs)[2] = NULL;
}

void
init_bp_attributes(const char ***bp_attrs)
{
	static const char *__bp_attrs[ATTRTAB_SIZE + 1];

	(*bp_attrs) = __bp_attrs;

	(*bp_attrs)[0] = AT(cn);
	(*bp_attrs)[1] = AT(bootParameter);
	(*bp_attrs)[2] = NULL;
}

void
init_alias_attributes(const char ***alias_attrs)
{
	static const char *__alias_attrs[ATTRTAB_SIZE + 1];

	(*alias_attrs) = __alias_attrs;

	(*alias_attrs)[0] = AT(cn);
	(*alias_attrs)[1] = AT(rfc822MailMember);
	(*alias_attrs)[2] = NULL;
}

void
init_netgrp_attributes(const char ***netgrp_attrs)
{
	static const char *__netgrp_attrs[ATTRTAB_SIZE + 1];

	(*netgrp_attrs) = __netgrp_attrs;

	(*netgrp_attrs)[0] = AT(cn);
	(*netgrp_attrs)[1] = AT(nisNetgroupTriple);
	(*netgrp_attrs)[2] = AT(memberNisNetgroup);
	(*netgrp_attrs)[3] = NULL;
}

#else				/* AT_OC_MAP */

static const char *pwd_attributes[] = {AT(uid), AT(userPassword),
	AT(uidNumber), AT(gidNumber),
	AT(cn), AT(homeDirectory),
	AT(loginShell), AT(gecos),
	AT(description), AT(objectClass),
	NULL
};

static const char *sp_attributes[] = {AT(uid), AT(userPassword),
	AT(shadowLastChange), AT(shadowMax),
	AT(shadowMin), AT(shadowWarning),
	AT(shadowInactive), AT(shadowExpire),
	NULL
};

static const char *grp_attributes[] = {AT(cn), AT(userPassword),
	AT(memberUid),
#ifdef RFC2307BIS
	AT(uniqueMember),
#endif				/* RFC2307BIS */
	AT(gidNumber), NULL
};

static const char *hosts_attributes[] = {AT(cn), AT(ipHostNumber), NULL};

static const char *services_attributes[] = {AT(cn), AT(ipServicePort),
	AT(ipServiceProtocol), NULL
};

static const char *network_attributes[] = {AT(cn), AT(ipNetworkNumber),
	NULL
};

static const char *proto_attributes[] = {AT(cn), AT(ipProtocolNumber),
	NULL
};

static const char *rpc_attributes[] = {AT(cn), AT(oncRpcNumber), NULL};

static const char *ethers_attributes[] = {AT(cn), AT(macAddress), NULL};

static const char *bp_attributes[] = {AT(cn), AT(bootParameter), NULL};

static const char *alias_attributes[] =

{AT(cn), AT(rfc822MailMember), NULL};

static const char *netgrp_attributes[] =
{AT(cn), AT(nisNetgroupTriple), AT(memberNisNetgroup), NULL};

void
_nss_ldap_init_attributes(const char ***attrtab)
{
	attrtab[LM_PASSWD] = pwd_attributes;
	attrtab[LM_SHADOW] = sp_attributes;
	attrtab[LM_GROUP] = grp_attributes;
	attrtab[LM_HOSTS] = hosts_attributes;
	attrtab[LM_SERVICES] = services_attributes;
	attrtab[LM_NETWORKS] = network_attributes;
	attrtab[LM_PROTOCOLS] = proto_attributes;
	attrtab[LM_RPC] = rpc_attributes;
	attrtab[LM_ETHERS] = ethers_attributes;
	attrtab[LM_NETMASKS] = network_attributes;
	attrtab[LM_BOOTPARAMS] = bp_attributes;
	attrtab[LM_ALIASES] = alias_attributes;
	attrtab[LM_NETGROUP] = netgrp_attributes;
	attrtab[LM_NONE] = NULL;
}

#endif				/* AT_OC_MAP */