/*
 * Copyright 2008 Red Hat, Inc.
 *
 * 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; version 2 of the License.
 *
 * 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.
 *   59 Temple Place, Suite 330
 *   Boston, MA 02111-1307 USA
 *
 */

#ifdef HAVE_CONFIG_H
#include "../config.h"
#endif

#include <rpc/xdr.h>
#include <fnmatch.h>
#include <string.h>

#include "defs-nis.h"

#define DEFAULT_ENTRY_FILTER "(&(nisMapName=%m)(objectClass=nisObject))"
#define DEFAULT_KEY_FORMAT NULL
#define DEFAULT_KEYS_FORMAT "%{cn}"
#define DEFAULT_VALUE_FORMAT "%{nisMapEntry}"
#define DEFAULT_DISALLOWED_CHARS NULL
#define DEFAULT_MAP_SECURE FALSE

static struct configuration {
	char *map;
	enum { config_exact, config_glob } config_match;
	bool_t secure;
	char *filter;
	char *key_format, *keys_format, *value_format, *disallowed_chars;
} config[] = {
	{"passwd.byname", config_exact, FALSE,
	 "(objectClass=posixAccount)",
	 "%{uid}", NULL,
	 "%{uid}:%regsub(\"userPassword\",\"^\\\\{CRYPT\\\\}(..*)\",\"%1\",\"*\"):%{uidNumber}:%{gidNumber}:%{gecos:-%{cn:-}}:%{homeDirectory:-/}:%{loginShell}",
	 ":"},
	{"passwd.byuid", config_exact, FALSE,
	 "(objectClass=posixAccount)",
	 "%{uidNumber}", NULL,
	 "%{uid}:%regsub(\"userPassword\",\"^\\\\{CRYPT\\\\}(..*)\",\"%1\",\"*\"):%{uidNumber}:%{gidNumber}:%{gecos:-%{cn:-}}:%{homeDirectory:-/}:%{loginShell}",
	 ":"},
	{"group.byname", config_exact, FALSE,
	 "(objectClass=posixGroup)",
	 "%{cn}", NULL,
	 "%{cn}:%regsub(\"userPassword\",\"^\\\\{CRYPT\\\\}(..*)\",\"%1\",\"*\"):%{gidNumber}:%merge(\",\",\"%list(\\\",\\\",\\\"memberUid\\\")\",\"%deref(\\\",\\\",\\\"member\\\",\\\"uid\\\")\",\"%deref(\\\",\\\",\\\"uniqueMember\\\",\\\"uid\\\")\",\"%referred(\\\",\\\",\\\"passwd.byname\\\",\\\"memberOf\\\",\\\"uid\\\")\")",
	 ":,"},
	{"group.bygid", config_exact, FALSE,
	 "(objectClass=posixGroup)",
	 "%{gidNumber}", NULL,
	 "%{cn}:%regsub(\"userPassword\",\"^\\\\{CRYPT\\\\}(..*)\",\"%1\",\"*\"):%{gidNumber}:%merge(\",\",\"%list(\\\",\\\",\\\"memberUid\\\")\",\"%deref(\\\",\\\",\\\"member\\\",\\\"uid\\\")\",\"%deref(\\\",\\\",\\\"uniqueMember\\\",\\\"uid\\\")\",\"%referred(\\\",\\\",\\\"passwd.byuid\\\",\\\"memberOf\\\",\\\"uid\\\")\")",
	 ":,"},
	{"netgroup", config_exact, FALSE,
	 "(objectClass=nisNetgroup)",
	 "%{cn}", NULL,
	 "%list(\" \",\"nisNetgroupTriple\",\"memberNisNetgroup\")",
	 NULL},
	{"auto.*", config_glob, FALSE,
	 "(objectClass=automount)",
	 "%{automountKey}", NULL,
	 "%{automountInformation}",
	 NULL},

	{"ethers.byaddr", config_exact, FALSE,
	 "(&(ipHostNumber=*)(macAddress=*))",
	 "%{macAddress}", NULL,
	 "%{ipHostNumber}",
	 NULL},
	{"ethers.byname", config_exact, FALSE,
	 "(&(ipHostNumber=*)(macAddress=*))",
	 "%{ipHostNumber}", NULL,
	 "%{macAddress}",
	 NULL},
	{"hosts.byaddr", config_exact, FALSE,
	 "(&(ipHostNumber=*)(cn=*))",
	 "%{cn}", NULL,
	 "%first(\"cn\")\t%{ipHostNumber} %list(\" \",\"cn\")",
	 NULL},
	{"hosts.byname", config_exact, FALSE,
	 "(&(ipHostNumber=*)(cn=*))",
	 "%{cn}", NULL,
	 "%first(\"cn\")\t%{ipHostNumber} %list(\" \",\"cn\")",
	 NULL},
	{"mail.byaddr", config_exact, FALSE,
	 "(objectClass=nisMailAlias)",
	 "%{rfc822MailMember}", NULL,
	 "%list(\",\",\"cn\")",
	 NULL},
	{"mail.aliases", config_exact, FALSE,
	 "(objectClass=nisMailAlias)",
	 "%{cn}", NULL,
	 "%list(\",\",\"rfc822MailMember\")",
	 NULL},
	{"netgroup.byuser", config_exact, FALSE,
	 "(objectClass=nisNetgroup)",
	 NULL, NULL,
	 NULL,
	 NULL},
	{"netgroup.byhost", config_exact, FALSE,
	 "(objectClass=nisNetgroup)",
	 NULL, NULL,
	 NULL,
	 NULL},
	{"netid.byname", config_exact, FALSE,
	 "(objectClass=posixAccount)",
	 "unix.%{uidNumber}", NULL,
	 "%{uidNumber}:%merge(\",\",\"%{gidNumber}\",\"%deref(\\\"memberOf\\\",\\\"gidNumber\\\")\",\"%referred(\\\"group.byname\\\",\\\"member\\\",\\\"gidNumber\\\")\")",
	 NULL},
	{"networks.byaddr", config_exact, FALSE,
	 "(objectClass=ipNetwork)",
	 "%{ipNetworkNumber}", NULL,
	 "%{cn}",
	 NULL},
	{"networks.byname", config_exact, FALSE,
	 "(objectClass=ipNetwork)",
	 "%{cn}", NULL,
	 "%{ipNetworkNumber}",
	 NULL},
	{"protocols.byname", config_exact, FALSE,
	 "(objectClass=ipProtocol)",
	 "%{cn}", NULL,
	 "%first(\"cn\")\t%{ipProtocolNumber}\t%list(\" \",\"cn\")",
	 NULL},
	{"protocols.bynumber", config_exact, FALSE,
	 "(objectClass=ipProtocol)",
	 "%{cn}", NULL,
	 "%first(\"cn\")\t%{ipProtocolNumber}\t%list(\" \",\"cn\")",
	 NULL},
	{"rpc.byname", config_exact, FALSE,
	 "(objectClass=oncRpc)",
	 "%{cn}", NULL,
	 "%first(\"cn\")\t%{oncRpcNumber}\t%list(\" \",\"cn\")",
	 NULL},
	{"rpc.bynumber", config_exact, FALSE,
	 "(objectClass=oncRpc)",
	 "%{oncRpcNumber}", NULL,
	 "%first(\"cn\")\t%{oncRpcNumber}\t%list(\" \",\"cn\")",
	 NULL},
	{"services.byname", config_exact, FALSE,
	 "(objectClass=ipService)",
	 NULL, NULL,
	 NULL,
	 NULL},
	{"services.byservicename", config_exact, FALSE,
	 "(objectClass=ipService)",
	 NULL, NULL,
	 NULL,
	 NULL},
};

void
defaults_get_map_config(const char *mapname,
			bool_t *secure,
			const char **filter,
			const char **key_format,
			const char **keys_format,
			const char **value_format,
			const char **disallowed_chars)
{
	unsigned int i;
	for (i = 0; i < sizeof(config) / sizeof(config[0]); i++) {
		bool_t match;
		match = FALSE;
		switch (config[i].config_match) {
		case config_exact:
			if (strcmp(config[i].map, mapname) == 0) {
				match = TRUE;
			}
			break;
		case config_glob:
			if (fnmatch(config[i].map, mapname,
				    FNM_NOESCAPE) == 0) {
				match = TRUE;
			}
			break;
		}
		if (!match) {
			continue;
		}
		if (secure) {
			*secure = config[i].secure;
		}
		if (filter) {
			*filter = config[i].filter;
		}
		if (key_format) {
			*key_format = config[i].key_format;
		}
		if (keys_format) {
			*keys_format = config[i].keys_format;
		}
		if (value_format) {
			*value_format = config[i].value_format;
		}
		if (disallowed_chars) {
			*disallowed_chars = config[i].disallowed_chars;
		}
		break;
	}
	if (i >= (sizeof(config) / sizeof(config[0]))) {
		if (secure) {
			*secure = DEFAULT_MAP_SECURE;
		}
		if (filter) {
			*filter = DEFAULT_ENTRY_FILTER;
		}
		if (key_format) {
			*key_format = DEFAULT_KEY_FORMAT;
		}
		if (keys_format) {
			*keys_format = DEFAULT_KEYS_FORMAT;
		}
		if (value_format) {
			*value_format = DEFAULT_VALUE_FORMAT;
		}
		if (disallowed_chars) {
			*disallowed_chars = DEFAULT_DISALLOWED_CHARS;
		}
	}
}