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path: root/source4/scripting/libjs/upgrade.js
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/*
	backend code for upgrading from Samba3
	Copyright Jelmer Vernooij 2005
	Released under the GNU GPL v2 or later
*/

libinclude("base.js");

function regkey_to_dn(name)
{
	var dn = "hive=NONE";
	var i = 0;

	var as = split("/", name);

	for (i in as) {
		if (i > 0) {
			dn = sprintf("key=%s,", as[i]) + dn;
		}
	}

	return dn;
}

/* Where prefix is any of:
 * - HKLM
 *   HKU
 *   HKCR
 *   HKPD
 *   HKPT
 */

function upgrade_registry(regdb,prefix)
{
	assert(regdb != undefined);
	var prefix_up = strupper(prefix);

	var ldif = "";

	for (var i in regdb.keys) {
		var rk = regdb.keys[i];
		var pts = split("/", rk.name);

		/* Only handle selected hive */
		if (strupper(pts[0]) != prefix_up) {
			continue;
		}

		var keydn = regkey_to_dn(rk.name);

		var pts = split("/", rk.name);

		/* Convert key name to dn */
		ldif = ldif + sprintf("
dn: %s
name: %s

", keydn, pts[0]);
		
		for (var j in rk.values) {
			var rv = rk.values[j];

			ldif = ldif + sprintf("
dn: %s,value=%s
value: %s
type: %d
data:: %s", keydn, rv.value, rv.type, base64(rv.data));
		}
	}

	return ldif;
}

function upgrade_sam_policy(samba3,dn)
{
	var ldif = sprintf("
dn: %s
changetype: modify
replace: minPwdLength
minPwdLength: %d
pwdHistoryLength: %d
minPwdAge: %d
maxPwdAge: %d
lockoutDuration: %d
samba3ResetCountMinutes: %d
samba3UserMustLogonToChangePassword: %d
samba3BadLockoutMinutes: %d
samba3DisconnectTime: %d
samba3RefuseMachinePwdChange: %d

", dn, samba3.policy.min_password_length, 
	samba3.policy.password_history, samba3.policy.minimum_password_age,
	samba3.policy.maximum_password_age, samba3.policy.lockout_duration,
	samba3.policy.reset_count_minutes, samba3.policy.user_must_logon_to_change_password,
	samba3.policy.bad_lockout_minutes, samba3.policy.disconnect_time, 
	samba3.policy.refuse_machine_password_change
);

	return ldif;
}

function upgrade_sam_account(acc,domaindn)
{
	var ldb = ldb_init();
	var ldif = sprintf(
"dn: cn=%s,%s
objectClass: top
objectClass: person
objectClass: user
lastLogon: %d
lastLogoff: %d
unixName: %s
name: %s
cn: %s
description: %s
primaryGroupID: %d
badPwdcount: %d
logonCount: %d
samba3Domain: %s
samba3DirDrive: %s
samba3MungedDial: %s
samba3Homedir: %s
samba3LogonScript: %s
samba3ProfilePath: %s
samba3Workstations: %s
samba3KickOffTime: %d
samba3BadPwdTime: %d
samba3PassLastSetTime: %d
samba3PassCanChangeTime: %d
samba3PassMustChangeTime: %d
samba3Rid: %d
ntPwdHash:: %s
lmPwdHash:: %s

", acc.fullname, domaindn, acc.logon_time, acc.logoff_time, acc.username, acc.nt_username, 
acc.fullname, acc.acct_desc, acc.group_rid, acc.bad_password_count, acc.logon_count,
acc.domain, acc.dir_drive, acc.munged_dial, acc.homedir, acc.logon_script, 
acc.profile_path, acc.workstations, acc.kickoff_time, acc.bad_password_time, 
acc.pass_last_set_time, acc.pass_can_change_time, acc.pass_must_change_time, acc.user_rid,
	ldb.encode(acc.lm_pw), ldb.encode(acc.nt_pw)); 

	return ldif;
}

function upgrade_sam_group(grp,domaindn)
{
	var ldif = sprintf(
"dn: cn=%s,%s
objectClass: top
objectClass: group
description: %s
cn: %s
objectSid: %s
unixName: FIXME
samba3SidNameUse: %d
", grp.nt_name, domaindn, 
grp.comment, grp.nt_name, grp.sid, grp.sid_name_use);

	return ldif;
}

function upgrade_winbind(samba3,domaindn)
{
	var ldif = sprintf("
		
dn: dc=none
userHwm: %d
groupHwm: %d

", samba3.idmap.user_hwm, samba3.idmap.group_hwm);

	for (var i in samba3.idmap.mappings) {
		var m = samba3.idmap.mappings[i];
		ldif = ldif + sprintf("
dn: SID=%s,%s
SID: %s
type: %d
unixID: %d", m.sid, domaindn, m.sid, m.type, m.unix_id);
	}
	
	return ldif;
}
*/

function upgrade_wins(samba3)
{
	var ldif = "";
	for (i in samba3.winsentries) {
		var e = samba3.winsentries[i];
		
		ldif = ldif + sprintf("
dn: type=%d,name=%s
name: %s
objectClass: wins
nbFlags: %x
expires: %s
", e.type, e.name, e.name, e.type, e.nb_flags, sys.ldaptime(e.ttl));

		for (var i in e.ips) {
			ldif = ldif + sprintf("address: %s\n", e.ips[i]);
		}
	}

	return ldif;
}

function upgrade_provision(samba3)
{
	var subobj = new Object();
	var nss = nss_init();
	var lp = loadparm_init();
	var rdn_list;

	var domainname = samba3.get_param("global", "workgroup");

	if (domainname == undefined) {
		domainname = samba3.secrets.domains[0].name;
		println("No domain specified in smb.conf file, assuming '" + domainname + "'");
	}
	
	var domsec = samba3.find_domainsecrets(domainname);
	var hostsec = samba3.find_domainsecrets(hostname());
	var realm = samba3.get_param("global", "realm");

	if (realm == undefined) {
		realm = domainname;
		println("No realm specified in smb.conf file, assuming '" + realm + "'");
	}
	random_init(local);

	subobj.REALM        = realm;
	subobj.DOMAIN       = domainname;
	subobj.HOSTNAME     = hostname();

	assert(subobj.REALM);
	assert(subobj.DOMAIN);
	assert(subobj.HOSTNAME);

	subobj.HOSTIP       = hostip();
	if (domsec != undefined) {
		subobj.DOMAINGUID   = domsec.guid;
		subobj.DOMAINSID    = domsec.sid;
	} else {
		println("Can't find domain secrets for '" + domainname + "'; using random SID and GUID");
		subobj.DOMAINGUID = randguid();
		subobj.DOMAINSID = randsid();
	}
	
	if (hostsec) {
		subobj.HOSTGUID     = hostsec.guid;
	} else {
		subobj.HOSTGUID = randguid();
	}
	subobj.INVOCATIONID = randguid();
	subobj.KRBTGTPASS   = randpass(12);
	subobj.MACHINEPASS  = randpass(12);
	subobj.ADMINPASS    = randpass(12);
	subobj.DEFAULTSITE  = "Default-First-Site-Name";
	subobj.NEWGUID      = randguid;
	subobj.NTTIME       = nttime;
	subobj.LDAPTIME     = ldaptime;
	subobj.DATESTRING   = datestring;
	subobj.USN          = nextusn;
	subobj.ROOT         = findnss(nss.getpwnam, "root");
	subobj.NOBODY       = findnss(nss.getpwnam, "nobody");
	subobj.NOGROUP      = findnss(nss.getgrnam, "nogroup", "nobody");
	subobj.WHEEL        = findnss(nss.getgrnam, "wheel", "root");
	subobj.USERS        = findnss(nss.getgrnam, "users", "guest", "other");
	subobj.DNSDOMAIN    = strlower(subobj.REALM);
	subobj.DNSNAME      = sprintf("%s.%s", 
				      strlower(subobj.HOSTNAME), 
				      subobj.DNSDOMAIN);
	subobj.BASEDN       = "DC=" + join(",DC=", split(".", subobj.REALM));
	rdn_list = split(".", subobj.REALM);
	return subobj;
}

var keep = new Array(
	"dos charset", 
	"unix charset",
	"display charset",
	"comment",
	"path",
	"directory",
	"workgroup",
	"realm",
	"netbios name",
	"netbios aliases",
	"netbios scope",
	"server string",
	"interfaces",
	"bind interfaces only",
	"security",
	"auth methods",
	"encrypt passwords",
	"null passwords",
	"obey pam restrictions",
	"password server",
	"smb passwd file",
	"private dir",
	"passwd chat",
	"password level",
	"lanman auth",
	"ntlm auth",
	"client NTLMv2 auth",
	"client lanman auth",
	"client plaintext auth",
	"read only",
	"hosts allow",
	"hosts deny",
	"log level",
	"debuglevel",
	"log file",
	"smb ports",
	"large readwrite",
	"max protocol",
	"min protocol",
	"unicode",
	"read raw",
	"write raw",
	"disable netbios",
	"nt status support",
	"announce version",
	"announce as",
	"max mux",
	"max xmit",
	"name resolve order",
	"max wins ttl",
	"min wins ttl",
	"time server",
	"unix extensions",
	"use spnego",
	"server signing",
	"client signing",
	"max connections",
	"paranoid server security",
	"socket options",
	"strict sync",
	"max print jobs",
	"printable",
	"print ok",
	"printer name",
	"printer",
	"map system",
	"map hidden",
	"map archive",
	"domain logons",
	"preferred master",
	"prefered master",
	"local master",
	"domain master",
	"browseable",
	"browsable",
	"wins server",
	"wins support",
	"csc policy",
	"strict locking",
	"config file",
	"preload",
	"auto services",
	"lock dir",
	"lock directory",
	"pid directory",
	"socket address",
	"copy",
	"include",
	"available",
	"volume",
	"fstype",
	"panic action",
	"msdfs root",
	"host msdfs",
	"winbind separator");

function upgrade_smbconf(samba3)
{
	//FIXME
}

function save_smbconf(path,smbconf)
{
	var data = "
# Generated by upgrade.js";

	for (var i in smbconf.shares) {
		var s = smbconf.shares[i];
		data = data + "\n[" + s.name + "]\n";
		for (var j in s.parameters) {
			var p = s.parameters[j];
			data = data + "\t" + p.name + " = " + p + "\n";
		}
	}
	
	sys.file_save(path,data);
}

function upgrade(subobj, samba3, message)
{
	var samdb = ldb_init();
	var ok = samdb.connect("sam.ldb");
	assert(ok);

	message("Importing account policies\n");
	var ldif = upgrade_sam_policy(samba3,subobj.BASEDN);
	ok = samdb.modify(ldif);
	assert(ok);

	var ldapurl = undefined;

	// FIXME: figure out ldapurl

	// Enable samba3sam module if original passdb backend was ldap
	if (ldapurl != undefined) {
		var ldif = sprintf("
dn: @MAP=samba3sam
@MAP_URL: %s", ldapurl);
		samdb.add(ldif);

		samdb.modify("dn: @MODULES
@LIST: samldb,timestamps,objectguid,rdn_name");
	}

	message("Importing users\n");
	for (var i in samba3.samaccounts) {
		message("... " + samba3.samaccounts[i].username);
		var ldif = upgrade_sam_account(samba3.samaccounts[i],subobj.BASEDN);
		ok = samdb.add(ldif);
		if (!ok) { message("... error!"); }
		message("\n");
	}

	message("Importing groups\n");
	for (var i in samba3.groupmappings) {
		message("... " + samba3.groupmappings[i].nt_name);
		var ldif = upgrade_sam_group(samba3.groupmappings[i],subobj.BASEDN);
		ok = samdb.add(ldif);
		if (!ok) { message("... error!"); }
		message("\n");
	}

	message("Importing registry data\n");
	var hives = new Array("hkcr","hkcu","hklm","hkpd","hku","hkpt"); 
	for (var i in hives) {
		message("... " + hives[i] + "\n");
		var regdb = ldb_init();
		ok = regdb.connect(hives[i] + ".ldb");
		assert(ok);
		var ldif = upgrade_registry(samba3.registry, hives[i]);
		ok = regdb.add(ldif);
		assert(ok);
	}

	message("Importing WINS data\n");
	var winsdb = ldb_init();
	ok = winsdb.connect("wins.ldb");
	assert(ok);

	var ldif = upgrade_wins(samba3);
	ok = winsdb.add(ldif);
	assert(ok);

	return ok;
}