/* smbk5pwd.c - Overlay for managing Samba and Heimdal passwords */
/* $OpenLDAP$ */
-/*
- * Copyright 2004-2005 by Howard Chu, Symas Corp.
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 2004-2013 The OpenLDAP Foundation.
+ * Portions Copyright 2004-2005 by Howard Chu, Symas Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* top-level directory of the distribution or, alternatively, at
* <http://www.OpenLDAP.org/license.html>.
*/
+/* ACKNOWLEDGEMENTS:
+ * Support for table-driven configuration added by Pierangelo Masarati.
+ * Support for sambaPwdMustChange and sambaPwdCanChange added by Marco D'Ettorre.
+ * Support for shadowLastChange added by SATOH Fumiyasu @ OSS Technology, Inc.
+ */
#include <portable.h>
#include <slap.h>
#include <ac/errno.h>
+#include <ac/string.h>
+
+#include "config.h"
#ifdef DO_KRB5
-#include <ac/string.h>
#include <lber.h>
#include <lber_pvt.h>
#include <lutil.h>
#include <kadm5/admin.h>
#include <hdb.h>
+#ifndef HDB_INTERFACE_VERSION
+#define HDB_MASTER_KEY_SET master_key_set
+#else
+#define HDB_MASTER_KEY_SET hdb_master_key_set
+#endif
+
static krb5_context context;
static void *kadm_context;
static kadm5_config_params conf;
static AttributeDescription *ad_krb5Key;
static AttributeDescription *ad_krb5KeyVersionNumber;
static AttributeDescription *ad_krb5PrincipalName;
+static AttributeDescription *ad_krb5ValidEnd;
static ObjectClass *oc_krb5KDCEntry;
#endif
#ifdef DO_SAMBA
+#ifdef HAVE_GNUTLS
+#include <gcrypt.h>
+typedef unsigned char DES_cblock[8];
+#elif HAVE_OPENSSL
#include <openssl/des.h>
#include <openssl/md4.h>
+#else
+#error Unsupported crypto backend.
+#endif
+#include "ldap_utf8.h"
static AttributeDescription *ad_sambaLMPassword;
static AttributeDescription *ad_sambaNTPassword;
static AttributeDescription *ad_sambaPwdLastSet;
+static AttributeDescription *ad_sambaPwdMustChange;
+static AttributeDescription *ad_sambaPwdCanChange;
static ObjectClass *oc_sambaSamAccount;
#endif
-#if 0
-static void smbk5pwd_destroy() {
- kadm5_destroy(kadm_context);
- krb5_free_context(context);
-}
+#ifdef DO_SHADOW
+static AttributeDescription *ad_shadowLastChange;
+static ObjectClass *oc_shadowAccount;
+#endif
+
+/* Per-instance configuration information */
+typedef struct smbk5pwd_t {
+ unsigned mode;
+#define SMBK5PWD_F_KRB5 (0x1U)
+#define SMBK5PWD_F_SAMBA (0x2U)
+#define SMBK5PWD_F_SHADOW (0x4U)
+
+#define SMBK5PWD_DO_KRB5(pi) ((pi)->mode & SMBK5PWD_F_KRB5)
+#define SMBK5PWD_DO_SAMBA(pi) ((pi)->mode & SMBK5PWD_F_SAMBA)
+#define SMBK5PWD_DO_SHADOW(pi) ((pi)->mode & SMBK5PWD_F_SHADOW)
+
+#ifdef DO_KRB5
+ /* nothing yet */
+#endif
+
+#ifdef DO_SAMBA
+ /* How many seconds before forcing a password change? */
+ time_t smb_must_change;
+ /* How many seconds after allowing a password change? */
+ time_t smb_can_change;
+#endif
+
+#ifdef DO_SHADOW
+ /* nothing yet */
+#endif
+} smbk5pwd_t;
+
+static const unsigned SMBK5PWD_F_ALL =
+ 0
+#ifdef DO_KRB5
+ | SMBK5PWD_F_KRB5
+#endif
+#ifdef DO_SAMBA
+ | SMBK5PWD_F_SAMBA
+#endif
+#ifdef DO_SHADOW
+ | SMBK5PWD_F_SHADOW
#endif
+;
+
+static int smbk5pwd_modules_init( smbk5pwd_t *pi );
#ifdef DO_SAMBA
static const char hex[] = "0123456789abcdef";
/* From liblutil/passwd.c... */
static void lmPasswd_to_key(
- const unsigned char *lmPasswd,
- des_cblock *key)
+ const char *lmPasswd,
+ DES_cblock *key)
{
- /* make room for parity bits */
- ((char *)key)[0] = lmPasswd[0];
- ((char *)key)[1] = ((lmPasswd[0]&0x01)<<7) | (lmPasswd[1]>>1);
- ((char *)key)[2] = ((lmPasswd[1]&0x03)<<6) | (lmPasswd[2]>>2);
- ((char *)key)[3] = ((lmPasswd[2]&0x07)<<5) | (lmPasswd[3]>>3);
- ((char *)key)[4] = ((lmPasswd[3]&0x0F)<<4) | (lmPasswd[4]>>4);
- ((char *)key)[5] = ((lmPasswd[4]&0x1F)<<3) | (lmPasswd[5]>>5);
- ((char *)key)[6] = ((lmPasswd[5]&0x3F)<<2) | (lmPasswd[6]>>6);
- ((char *)key)[7] = ((lmPasswd[6]&0x7F)<<1);
+ const unsigned char *lpw = (const unsigned char *)lmPasswd;
+ unsigned char *k = (unsigned char *)key;
+ /* make room for parity bits */
+ k[0] = lpw[0];
+ k[1] = ((lpw[0]&0x01)<<7) | (lpw[1]>>1);
+ k[2] = ((lpw[1]&0x03)<<6) | (lpw[2]>>2);
+ k[3] = ((lpw[2]&0x07)<<5) | (lpw[3]>>3);
+ k[4] = ((lpw[3]&0x0F)<<4) | (lpw[4]>>4);
+ k[5] = ((lpw[4]&0x1F)<<3) | (lpw[5]>>5);
+ k[6] = ((lpw[5]&0x3F)<<2) | (lpw[6]>>6);
+ k[7] = ((lpw[6]&0x7F)<<1);
+
+#ifdef HAVE_OPENSSL
des_set_odd_parity( key );
+#endif
}
#define MAX_PWLEN 256
)
{
char UcasePassword[15];
- des_cblock key;
- des_key_schedule schedule;
- des_cblock StdText = "KGS!@#$%";
- des_cblock hbuf[2];
+ DES_cblock key;
+ DES_cblock StdText = "KGS!@#$%";
+ DES_cblock hbuf[2];
+#ifdef HAVE_OPENSSL
+ DES_key_schedule schedule;
+#elif defined(HAVE_GNUTLS)
+ gcry_cipher_hd_t h = NULL;
+ gcry_error_t err;
+
+ err = gcry_cipher_open( &h, GCRY_CIPHER_DES, GCRY_CIPHER_MODE_CBC, 0 );
+ if ( err ) return;
+#endif
strncpy( UcasePassword, passwd->bv_val, 14 );
UcasePassword[14] = '\0';
ldap_pvt_str2upper( UcasePassword );
lmPasswd_to_key( UcasePassword, &key );
+#ifdef HAVE_GNUTLS
+ err = gcry_cipher_setkey( h, &key, sizeof(key) );
+ if ( err == 0 ) {
+ err = gcry_cipher_encrypt( h, &hbuf[0], sizeof(key), &StdText, sizeof(key) );
+ if ( err == 0 ) {
+ gcry_cipher_reset( h );
+ lmPasswd_to_key( &UcasePassword[7], &key );
+ err = gcry_cipher_setkey( h, &key, sizeof(key) );
+ if ( err == 0 ) {
+ err = gcry_cipher_encrypt( h, &hbuf[1], sizeof(key), &StdText, sizeof(key) );
+ }
+ }
+ gcry_cipher_close( h );
+ }
+#elif defined(HAVE_OPENSSL)
des_set_key_unchecked( &key, schedule );
des_ecb_encrypt( &StdText, &hbuf[0], schedule , DES_ENCRYPT );
lmPasswd_to_key( &UcasePassword[7], &key );
des_set_key_unchecked( &key, schedule );
des_ecb_encrypt( &StdText, &hbuf[1], schedule , DES_ENCRYPT );
+#endif
hexify( (char *)hbuf, hash );
}
* 256 UCS2 characters, not 256 bytes...
*/
char hbuf[HASHLEN];
- int i;
+#ifdef HAVE_OPENSSL
MD4_CTX ctx;
+#endif
if (passwd->bv_len > MAX_PWLEN*2)
passwd->bv_len = MAX_PWLEN*2;
-
+
+#ifdef HAVE_OPENSSL
MD4_Init( &ctx );
MD4_Update( &ctx, passwd->bv_val, passwd->bv_len );
- MD4_Final( hbuf, &ctx );
+ MD4_Final( (unsigned char *)hbuf, &ctx );
+#elif defined(HAVE_GNUTLS)
+ gcry_md_hash_buffer(GCRY_MD_MD4, hbuf, passwd->bv_val, passwd->bv_len );
+#endif
hexify( hbuf, hash );
}
/* clear out the current key */
ldap_pvt_thread_pool_setkey( op->o_threadctx, smbk5pwd_op_cleanup,
- NULL, NULL );
+ NULL, 0, NULL, NULL );
/* free the callback */
cb = op->o_callback;
*/
if ( op->oq_bind.rb_method == LDAP_AUTH_SIMPLE ) {
slap_callback *cb;
- ldap_pvt_thread_pool_setkey( op->o_threadctx, smbk5pwd_op_cleanup, op,
- NULL );
+ ldap_pvt_thread_pool_setkey( op->o_threadctx,
+ smbk5pwd_op_cleanup, op, 0, NULL, NULL );
cb = op->o_tmpcalloc( 1, sizeof(slap_callback), op->o_tmpmemctx );
cb->sc_cleanup = smbk5pwd_op_cleanup;
cb->sc_next = op->o_callback;
const struct berval *cred,
const char **text )
{
- void *ctx;
+ void *ctx, *op_tmp;
Operation *op;
int rc;
Entry *e;
Attribute *a;
- krb5_error_code ret;
- krb5_keyblock key;
- krb5_salt salt;
+ krb5_error_code ret;
+ krb5_keyblock key;
+ krb5_salt salt;
hdb_entry ent;
/* Find our thread context, find our Operation */
ctx = ldap_pvt_thread_pool_context();
- if ( ldap_pvt_thread_pool_getkey( ctx, smbk5pwd_op_cleanup, (void **)&op, NULL ) ||
- !op )
+ if ( ldap_pvt_thread_pool_getkey( ctx, smbk5pwd_op_cleanup, &op_tmp, NULL )
+ || !op_tmp )
return LUTIL_PASSWD_ERR;
+ op = op_tmp;
rc = be_entry_get_rw( op, &op->o_req_ndn, NULL, NULL, 0, &e );
if ( rc != LDAP_SUCCESS ) return LUTIL_PASSWD_ERR;
memset( &ent, 0, sizeof(ent) );
ret = krb5_parse_name(context, a->a_vals[0].bv_val, &ent.principal);
if ( ret ) break;
+
+ a = attr_find( e->e_attrs, ad_krb5ValidEnd );
+ if (a) {
+ struct lutil_tm tm;
+ struct lutil_timet tt;
+ if ( lutil_parsetime( a->a_vals[0].bv_val, &tm ) == 0 &&
+ lutil_tm2time( &tm, &tt ) == 0 && tt.tt_usec < op->o_time ) {
+ /* Account is expired */
+ rc = LUTIL_PASSWD_ERR;
+ break;
+ }
+ }
+
krb5_get_pw_salt( context, ent.principal, &salt );
krb5_free_principal( context, ent.principal );
ent.keys.val = &ekey;
decode_Key((unsigned char *) a->a_vals[0].bv_val,
(size_t) a->a_vals[0].bv_len, &ent.keys.val[0], &l);
- if ( db->master_key_set )
+ if ( db->HDB_MASTER_KEY_SET )
hdb_unseal_keys( context, db, &ent );
krb5_string_to_key_salt( context, ekey.key.keytype, cred->bv_val,
Operation *op,
SlapReply *rs )
{
- int i, rc;
+ int rc;
req_pwdexop_s *qpw = &op->oq_pwdexop;
Entry *e;
- Attribute *a;
Modifications *ml;
slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
+ smbk5pwd_t *pi = on->on_bi.bi_private;
+ char term;
/* Not the operation we expected, pass it on... */
if ( ber_bvcmp( &slap_EXOP_MODIFY_PASSWD, &op->ore_reqoid ) ) {
rc = be_entry_get_rw( op, &op->o_req_ndn, NULL, NULL, 0, &e );
if ( rc != LDAP_SUCCESS ) return rc;
+ term = qpw->rs_new.bv_val[qpw->rs_new.bv_len];
+ qpw->rs_new.bv_val[qpw->rs_new.bv_len] = '\0';
+
#ifdef DO_KRB5
/* Kerberos stuff */
do {
krb5_error_code ret;
hdb_entry ent;
struct berval *keys;
- int kvno;
+ size_t nkeys;
+ int kvno, i;
+ Attribute *a;
+
+ if ( !SMBK5PWD_DO_KRB5( pi ) ) break;
if ( !is_entry_objectclass(e, oc_krb5KDCEntry, 0 ) ) break;
if ( ret ) break;
a = attr_find( e->e_attrs, ad_krb5KeyVersionNumber );
+ kvno = 0;
if ( a ) {
- kvno = atoi(a->a_vals[0].bv_val);
+ if ( lutil_atoi( &kvno, a->a_vals[0].bv_val ) != 0 ) {
+ Debug( LDAP_DEBUG_ANY, "%s smbk5pwd EXOP: "
+ "dn=\"%s\" unable to parse krb5KeyVersionNumber=\"%s\"\n",
+ op->o_log_prefix, e->e_name.bv_val, a->a_vals[0].bv_val );
+ }
+
} else {
/* shouldn't happen, this is a required attr */
- kvno = 0;
+ Debug( LDAP_DEBUG_ANY, "%s smbk5pwd EXOP: "
+ "dn=\"%s\" missing krb5KeyVersionNumber\n",
+ op->o_log_prefix, e->e_name.bv_val, 0 );
}
- ret = _kadm5_set_keys(kadm_context, &ent, qpw->rs_new.bv_val);
+ ret = hdb_generate_key_set_password(context, ent.principal,
+ qpw->rs_new.bv_val, &ent.keys.val, &nkeys);
+ ent.keys.len = nkeys;
hdb_seal_keys(context, db, &ent);
krb5_free_principal( context, ent.principal );
if (ret != 0)
break;
- keys[i].bv_val = buf;
+ keys[i].bv_val = (char *)buf;
keys[i].bv_len = len;
}
- keys[i].bv_val = NULL;
- keys[i].bv_len = 0;
+ BER_BVZERO( &keys[i] );
- _kadm5_free_keys(kadm_context, ent.keys.len, ent.keys.val);
+ hdb_free_keys(context, ent.keys.len, ent.keys.val);
if ( i != ent.keys.len ) {
ber_bvarray_free( keys );
ml->sml_desc = ad_krb5Key;
ml->sml_op = LDAP_MOD_REPLACE;
+#ifdef SLAP_MOD_INTERNAL
+ ml->sml_flags = SLAP_MOD_INTERNAL;
+#endif
+ ml->sml_numvals = i;
ml->sml_values = keys;
ml->sml_nvalues = NULL;
ml->sml_desc = ad_krb5KeyVersionNumber;
ml->sml_op = LDAP_MOD_REPLACE;
+#ifdef SLAP_MOD_INTERNAL
+ ml->sml_flags = SLAP_MOD_INTERNAL;
+#endif
+ ml->sml_numvals = 1;
ml->sml_values = ch_malloc( 2 * sizeof(struct berval));
ml->sml_values[0].bv_val = ch_malloc( 64 );
ml->sml_values[0].bv_len = sprintf(ml->sml_values[0].bv_val,
"%d", kvno+1 );
- ml->sml_values[1].bv_val = NULL;
- ml->sml_values[1].bv_len = 0;
+ BER_BVZERO( &ml->sml_values[1] );
ml->sml_nvalues = NULL;
- } while(0);
+ } while ( 0 );
#endif /* DO_KRB5 */
#ifdef DO_SAMBA
/* Samba stuff */
- if ( is_entry_objectclass(e, oc_sambaSamAccount, 0 ) ) {
+ if ( SMBK5PWD_DO_SAMBA( pi ) && is_entry_objectclass(e, oc_sambaSamAccount, 0 ) ) {
struct berval *keys;
ber_len_t j,l;
wchar_t *wcs, wc;
qpw->rs_mods = ml;
keys = ch_malloc( 2 * sizeof(struct berval) );
- keys[1].bv_val = NULL;
- keys[1].bv_len = 0;
+ BER_BVZERO( &keys[1] );
nthash( &pwd, keys );
ml->sml_desc = ad_sambaNTPassword;
ml->sml_op = LDAP_MOD_REPLACE;
+#ifdef SLAP_MOD_INTERNAL
+ ml->sml_flags = SLAP_MOD_INTERNAL;
+#endif
+ ml->sml_numvals = 1;
ml->sml_values = keys;
ml->sml_nvalues = NULL;
qpw->rs_mods = ml;
keys = ch_malloc( 2 * sizeof(struct berval) );
- keys[1].bv_val = NULL;
- keys[1].bv_len = 0;
+ BER_BVZERO( &keys[1] );
lmhash( &pwd, keys );
ml->sml_desc = ad_sambaLMPassword;
ml->sml_op = LDAP_MOD_REPLACE;
+#ifdef SLAP_MOD_INTERNAL
+ ml->sml_flags = SLAP_MOD_INTERNAL;
+#endif
+ ml->sml_numvals = 1;
ml->sml_values = keys;
ml->sml_nvalues = NULL;
qpw->rs_mods = ml;
keys = ch_malloc( 2 * sizeof(struct berval) );
- keys[1].bv_val = NULL;
- keys[1].bv_len = 0;
- keys[0].bv_val = ch_malloc(16);
- keys[0].bv_len = sprintf(keys[0].bv_val, "%d",
- slap_get_time());
+ keys[0].bv_val = ch_malloc( LDAP_PVT_INTTYPE_CHARS(long) );
+ keys[0].bv_len = snprintf(keys[0].bv_val,
+ LDAP_PVT_INTTYPE_CHARS(long),
+ "%ld", slap_get_time());
+ BER_BVZERO( &keys[1] );
ml->sml_desc = ad_sambaPwdLastSet;
ml->sml_op = LDAP_MOD_REPLACE;
+#ifdef SLAP_MOD_INTERNAL
+ ml->sml_flags = SLAP_MOD_INTERNAL;
+#endif
+ ml->sml_numvals = 1;
ml->sml_values = keys;
ml->sml_nvalues = NULL;
+
+ if (pi->smb_must_change)
+ {
+ ml = ch_malloc(sizeof(Modifications));
+ ml->sml_next = qpw->rs_mods;
+ qpw->rs_mods = ml;
+
+ keys = ch_malloc( 2 * sizeof(struct berval) );
+ keys[0].bv_val = ch_malloc( LDAP_PVT_INTTYPE_CHARS(long) );
+ keys[0].bv_len = snprintf(keys[0].bv_val,
+ LDAP_PVT_INTTYPE_CHARS(long),
+ "%ld", slap_get_time() + pi->smb_must_change);
+ BER_BVZERO( &keys[1] );
+
+ ml->sml_desc = ad_sambaPwdMustChange;
+ ml->sml_op = LDAP_MOD_REPLACE;
+#ifdef SLAP_MOD_INTERNAL
+ ml->sml_flags = SLAP_MOD_INTERNAL;
+#endif
+ ml->sml_numvals = 1;
+ ml->sml_values = keys;
+ ml->sml_nvalues = NULL;
+ }
+
+ if (pi->smb_can_change)
+ {
+ ml = ch_malloc(sizeof(Modifications));
+ ml->sml_next = qpw->rs_mods;
+ qpw->rs_mods = ml;
+
+ keys = ch_malloc( 2 * sizeof(struct berval) );
+ keys[0].bv_val = ch_malloc( LDAP_PVT_INTTYPE_CHARS(long) );
+ keys[0].bv_len = snprintf(keys[0].bv_val,
+ LDAP_PVT_INTTYPE_CHARS(long),
+ "%ld", slap_get_time() + pi->smb_can_change);
+ BER_BVZERO( &keys[1] );
+
+ ml->sml_desc = ad_sambaPwdCanChange;
+ ml->sml_op = LDAP_MOD_REPLACE;
+#ifdef SLAP_MOD_INTERNAL
+ ml->sml_flags = SLAP_MOD_INTERNAL;
+#endif
+ ml->sml_numvals = 1;
+ ml->sml_values = keys;
+ ml->sml_nvalues = NULL;
+ }
}
#endif /* DO_SAMBA */
+
+#ifdef DO_SHADOW
+ /* shadow stuff */
+ if ( SMBK5PWD_DO_SHADOW( pi ) && is_entry_objectclass(e, oc_shadowAccount, 0 ) ) {
+ struct berval *keys;
+
+ ml = ch_malloc(sizeof(Modifications));
+ if (!qpw->rs_modtail) qpw->rs_modtail = &ml->sml_next;
+ ml->sml_next = qpw->rs_mods;
+ qpw->rs_mods = ml;
+
+ keys = ch_malloc( sizeof(struct berval) * 2);
+ BER_BVZERO( &keys[1] );
+ keys[0].bv_val = ch_malloc( LDAP_PVT_INTTYPE_CHARS(long) );
+ keys[0].bv_len = snprintf(keys[0].bv_val,
+ LDAP_PVT_INTTYPE_CHARS(long),
+ "%ld", (long)(slap_get_time() / (60 * 60 * 24)));
+
+ ml->sml_desc = ad_shadowLastChange;
+ ml->sml_op = LDAP_MOD_REPLACE;
+#ifdef SLAP_MOD_INTERNAL
+ ml->sml_flags = SLAP_MOD_INTERNAL;
+#endif
+ ml->sml_numvals = 1;
+ ml->sml_values = keys;
+ ml->sml_nvalues = NULL;
+ }
+#endif /* DO_SHADOW */
+
be_entry_release_r( op, e );
+ qpw->rs_new.bv_val[qpw->rs_new.bv_len] = term;
return SLAP_CB_CONTINUE;
}
static slap_overinst smbk5pwd;
-int smbk5pwd_init() {
- int rc;
- const char *text;
+/* back-config stuff */
+enum {
+ PC_SMB_MUST_CHANGE = 1,
+ PC_SMB_CAN_CHANGE,
+ PC_SMB_ENABLE
+};
-#ifdef DO_KRB5
- krb5_error_code ret;
- extern HDB * _kadm5_s_get_db(void *);
-
- /* Make sure all of our necessary schema items are loaded */
- oc_krb5KDCEntry = oc_find("krb5KDCEntry");
- if ( !oc_krb5KDCEntry ) return -1;
-
- rc = slap_str2ad( "krb5Key", &ad_krb5Key, &text );
- if ( rc ) return rc;
- rc = slap_str2ad( "krb5KeyVersionNumber", &ad_krb5KeyVersionNumber, &text );
- if ( rc ) return rc;
- rc = slap_str2ad( "krb5PrincipalName", &ad_krb5PrincipalName, &text );
- if ( rc ) return rc;
-
- /* Initialize Kerberos context */
- ret = krb5_init_context(&context);
- if (ret) {
- return -1;
+static ConfigDriver smbk5pwd_cf_func;
+
+/*
+ * NOTE: uses OID arcs OLcfgCtAt:1 and OLcfgCtOc:1
+ */
+
+static ConfigTable smbk5pwd_cfats[] = {
+ { "smbk5pwd-enable", "arg",
+ 2, 0, 0, ARG_MAGIC|PC_SMB_ENABLE, smbk5pwd_cf_func,
+ "( OLcfgCtAt:1.1 NAME 'olcSmbK5PwdEnable' "
+ "DESC 'Modules to be enabled' "
+ "SYNTAX OMsDirectoryString )", NULL, NULL },
+ { "smbk5pwd-must-change", "time",
+ 2, 2, 0, ARG_MAGIC|ARG_INT|PC_SMB_MUST_CHANGE, smbk5pwd_cf_func,
+ "( OLcfgCtAt:1.2 NAME 'olcSmbK5PwdMustChange' "
+ "DESC 'Credentials validity interval' "
+ "SYNTAX OMsInteger SINGLE-VALUE )", NULL, NULL },
+ { "smbk5pwd-can-change", "time",
+ 2, 2, 0, ARG_MAGIC|ARG_INT|PC_SMB_CAN_CHANGE, smbk5pwd_cf_func,
+ "( OLcfgCtAt:1.3 NAME 'olcSmbK5PwdCanChange' "
+ "DESC 'Credentials minimum validity interval' "
+ "SYNTAX OMsInteger SINGLE-VALUE )", NULL, NULL },
+
+ { NULL, NULL, 0, 0, 0, ARG_IGNORED }
+};
+
+static ConfigOCs smbk5pwd_cfocs[] = {
+ { "( OLcfgCtOc:1.1 "
+ "NAME 'olcSmbK5PwdConfig' "
+ "DESC 'smbk5pwd overlay configuration' "
+ "SUP olcOverlayConfig "
+ "MAY ( "
+ "olcSmbK5PwdEnable "
+ "$ olcSmbK5PwdMustChange "
+ "$ olcSmbK5PwdCanChange "
+ ") )", Cft_Overlay, smbk5pwd_cfats },
+
+ { NULL, 0, NULL }
+};
+
+/*
+ * add here other functionalities; handle their initialization
+ * as appropriate in smbk5pwd_modules_init().
+ */
+static slap_verbmasks smbk5pwd_modules[] = {
+ { BER_BVC( "krb5" ), SMBK5PWD_F_KRB5 },
+ { BER_BVC( "samba" ), SMBK5PWD_F_SAMBA },
+ { BER_BVC( "shadow" ), SMBK5PWD_F_SHADOW },
+ { BER_BVNULL, -1 }
+};
+
+static int
+smbk5pwd_cf_func( ConfigArgs *c )
+{
+ slap_overinst *on = (slap_overinst *)c->bi;
+
+ int rc = 0;
+ smbk5pwd_t *pi = on->on_bi.bi_private;
+
+ if ( c->op == SLAP_CONFIG_EMIT ) {
+ switch( c->type ) {
+ case PC_SMB_MUST_CHANGE:
+#ifdef DO_SAMBA
+ c->value_int = pi->smb_must_change;
+#else /* ! DO_SAMBA */
+ c->value_int = 0;
+#endif /* ! DO_SAMBA */
+ break;
+
+ case PC_SMB_CAN_CHANGE:
+#ifdef DO_SAMBA
+ c->value_int = pi->smb_can_change;
+#else /* ! DO_SAMBA */
+ c->value_int = 0;
+#endif /* ! DO_SAMBA */
+ break;
+
+ case PC_SMB_ENABLE:
+ c->rvalue_vals = NULL;
+ if ( pi->mode ) {
+ mask_to_verbs( smbk5pwd_modules, pi->mode, &c->rvalue_vals );
+ if ( c->rvalue_vals == NULL ) {
+ rc = 1;
+ }
+ }
+ break;
+
+ default:
+ assert( 0 );
+ rc = 1;
+ }
+ return rc;
+
+ } else if ( c->op == LDAP_MOD_DELETE ) {
+ switch( c->type ) {
+ case PC_SMB_MUST_CHANGE:
+ break;
+
+ case PC_SMB_CAN_CHANGE:
+ break;
+
+ case PC_SMB_ENABLE:
+ if ( !c->line ) {
+ pi->mode = 0;
+
+ } else {
+ int i;
+
+ i = verb_to_mask( c->line, smbk5pwd_modules );
+ pi->mode &= ~smbk5pwd_modules[i].mask;
+ }
+ break;
+
+ default:
+ assert( 0 );
+ rc = 1;
+ }
+ return rc;
+ }
+
+ switch( c->type ) {
+ case PC_SMB_MUST_CHANGE:
+#ifdef DO_SAMBA
+ if ( c->value_int < 0 ) {
+ Debug( LDAP_DEBUG_ANY, "%s: smbk5pwd: "
+ "<%s> invalid negative value \"%d\".",
+ c->log, c->argv[ 0 ], 0 );
+ return 1;
+ }
+ pi->smb_must_change = c->value_int;
+#else /* ! DO_SAMBA */
+ Debug( LDAP_DEBUG_ANY, "%s: smbk5pwd: "
+ "<%s> only meaningful "
+ "when compiled with -DDO_SAMBA.\n",
+ c->log, c->argv[ 0 ], 0 );
+ return 1;
+#endif /* ! DO_SAMBA */
+ break;
+
+ case PC_SMB_CAN_CHANGE:
+#ifdef DO_SAMBA
+ if ( c->value_int < 0 ) {
+ Debug( LDAP_DEBUG_ANY, "%s: smbk5pwd: "
+ "<%s> invalid negative value \"%d\".",
+ c->log, c->argv[ 0 ], 0 );
+ return 1;
+ }
+ pi->smb_can_change = c->value_int;
+#else /* ! DO_SAMBA */
+ Debug( LDAP_DEBUG_ANY, "%s: smbk5pwd: "
+ "<%s> only meaningful "
+ "when compiled with -DDO_SAMBA.\n",
+ c->log, c->argv[ 0 ], 0 );
+ return 1;
+#endif /* ! DO_SAMBA */
+ break;
+
+ case PC_SMB_ENABLE: {
+ slap_mask_t mode = pi->mode, m = 0;
+
+ rc = verbs_to_mask( c->argc, c->argv, smbk5pwd_modules, &m );
+ if ( rc > 0 ) {
+ Debug( LDAP_DEBUG_ANY, "%s: smbk5pwd: "
+ "<%s> unknown module \"%s\".\n",
+ c->log, c->argv[ 0 ], c->argv[ rc ] );
+ return 1;
+ }
+
+ /* we can hijack the smbk5pwd_t structure because
+ * from within the configuration, this is the only
+ * active thread. */
+ pi->mode |= m;
+
+#ifndef DO_KRB5
+ if ( SMBK5PWD_DO_KRB5( pi ) ) {
+ Debug( LDAP_DEBUG_ANY, "%s: smbk5pwd: "
+ "<%s> module \"%s\" only allowed when compiled with -DDO_KRB5.\n",
+ c->log, c->argv[ 0 ], c->argv[ rc ] );
+ pi->mode = mode;
+ return 1;
+ }
+#endif /* ! DO_KRB5 */
+
+#ifndef DO_SAMBA
+ if ( SMBK5PWD_DO_SAMBA( pi ) ) {
+ Debug( LDAP_DEBUG_ANY, "%s: smbk5pwd: "
+ "<%s> module \"%s\" only allowed when compiled with -DDO_SAMBA.\n",
+ c->log, c->argv[ 0 ], c->argv[ rc ] );
+ pi->mode = mode;
+ return 1;
+ }
+#endif /* ! DO_SAMBA */
+
+#ifndef DO_SHADOW
+ if ( SMBK5PWD_DO_SHADOW( pi ) ) {
+ Debug( LDAP_DEBUG_ANY, "%s: smbk5pwd: "
+ "<%s> module \"%s\" only allowed when compiled with -DDO_SHADOW.\n",
+ c->log, c->argv[ 0 ], c->argv[ rc ] );
+ pi->mode = mode;
+ return 1;
+ }
+#endif /* ! DO_SHADOW */
+
+ {
+ BackendDB db = *c->be;
+
+ /* Re-initialize the module, because
+ * the configuration might have changed */
+ db.bd_info = (BackendInfo *)on;
+ rc = smbk5pwd_modules_init( pi );
+ if ( rc ) {
+ pi->mode = mode;
+ return 1;
+ }
+ }
+
+ } break;
+
+ default:
+ assert( 0 );
+ return 1;
}
+ return rc;
+}
+
+static int
+smbk5pwd_modules_init( smbk5pwd_t *pi )
+{
+ static struct {
+ const char *name;
+ AttributeDescription **adp;
+ }
+#ifdef DO_KRB5
+ krb5_ad[] = {
+ { "krb5Key", &ad_krb5Key },
+ { "krb5KeyVersionNumber", &ad_krb5KeyVersionNumber },
+ { "krb5PrincipalName", &ad_krb5PrincipalName },
+ { "krb5ValidEnd", &ad_krb5ValidEnd },
+ { NULL }
+ },
+#endif /* DO_KRB5 */
+#ifdef DO_SAMBA
+ samba_ad[] = {
+ { "sambaLMPassword", &ad_sambaLMPassword },
+ { "sambaNTPassword", &ad_sambaNTPassword },
+ { "sambaPwdLastSet", &ad_sambaPwdLastSet },
+ { "sambaPwdMustChange", &ad_sambaPwdMustChange },
+ { "sambaPwdCanChange", &ad_sambaPwdCanChange },
+ { NULL }
+ },
+#endif /* DO_SAMBA */
+#ifdef DO_SHADOW
+ shadow_ad[] = {
+ { "shadowLastChange", &ad_shadowLastChange },
+ { NULL }
+ },
+#endif /* DO_SHADOW */
+ dummy_ad;
+
+ /* this is to silence the unused var warning */
+ dummy_ad.name = NULL;
+
+#ifdef DO_KRB5
+ if ( SMBK5PWD_DO_KRB5( pi ) && oc_krb5KDCEntry == NULL ) {
+ krb5_error_code ret;
+ extern HDB *_kadm5_s_get_db(void *);
+
+ int i, rc;
+
+ /* Make sure all of our necessary schema items are loaded */
+ oc_krb5KDCEntry = oc_find( "krb5KDCEntry" );
+ if ( !oc_krb5KDCEntry ) {
+ Debug( LDAP_DEBUG_ANY, "smbk5pwd: "
+ "unable to find \"krb5KDCEntry\" objectClass.\n",
+ 0, 0, 0 );
+ return -1;
+ }
+
+ for ( i = 0; krb5_ad[ i ].name != NULL; i++ ) {
+ const char *text;
+
+ *(krb5_ad[ i ].adp) = NULL;
+
+ rc = slap_str2ad( krb5_ad[ i ].name, krb5_ad[ i ].adp, &text );
+ if ( rc != LDAP_SUCCESS ) {
+ Debug( LDAP_DEBUG_ANY, "smbk5pwd: "
+ "unable to find \"%s\" attributeType: %s (%d).\n",
+ krb5_ad[ i ].name, text, rc );
+ oc_krb5KDCEntry = NULL;
+ return rc;
+ }
+ }
+
+ /* Initialize Kerberos context */
+ ret = krb5_init_context(&context);
+ if (ret) {
+ Debug( LDAP_DEBUG_ANY, "smbk5pwd: "
+ "unable to initialize krb5 context (%d).\n",
+ ret, 0, 0 );
+ oc_krb5KDCEntry = NULL;
+ return -1;
+ }
+
+ ret = kadm5_s_init_with_password_ctx( context,
+ KADM5_ADMIN_SERVICE,
+ NULL,
+ KADM5_ADMIN_SERVICE,
+ &conf, 0, 0, &kadm_context );
+ if (ret) {
+ char *err_str, *err_msg = "<unknown error>";
+ err_str = krb5_get_error_string( context );
+ if (!err_str)
+ err_msg = (char *)krb5_get_err_text( context, ret );
+ Debug( LDAP_DEBUG_ANY, "smbk5pwd: "
+ "unable to initialize krb5 admin context: %s (%d).\n",
+ err_str ? err_str : err_msg, ret, 0 );
+ if (err_str)
+ krb5_free_error_string( context, err_str );
+ krb5_free_context( context );
+ oc_krb5KDCEntry = NULL;
+ return -1;
+ }
- ret = kadm5_s_init_with_password_ctx( context,
- KADM5_ADMIN_SERVICE,
- NULL,
- KADM5_ADMIN_SERVICE,
- &conf, 0, 0, &kadm_context );
-
- db = _kadm5_s_get_db(kadm_context);
+ db = _kadm5_s_get_db( kadm_context );
+ }
#endif /* DO_KRB5 */
#ifdef DO_SAMBA
- oc_sambaSamAccount = oc_find("sambaSamAccount");
- if ( !oc_sambaSamAccount ) return -1;
-
- rc = slap_str2ad( "sambaLMPassword", &ad_sambaLMPassword, &text );
- if ( rc ) return rc;
- rc = slap_str2ad( "sambaNTPassword", &ad_sambaNTPassword, &text );
- if ( rc ) return rc;
- rc = slap_str2ad( "sambaPwdLastSet", &ad_sambaPwdLastSet, &text );
- if ( rc ) return rc;
+ if ( SMBK5PWD_DO_SAMBA( pi ) && oc_sambaSamAccount == NULL ) {
+ int i, rc;
+
+ oc_sambaSamAccount = oc_find( "sambaSamAccount" );
+ if ( !oc_sambaSamAccount ) {
+ Debug( LDAP_DEBUG_ANY, "smbk5pwd: "
+ "unable to find \"sambaSamAccount\" objectClass.\n",
+ 0, 0, 0 );
+ return -1;
+ }
+
+ for ( i = 0; samba_ad[ i ].name != NULL; i++ ) {
+ const char *text;
+
+ *(samba_ad[ i ].adp) = NULL;
+
+ rc = slap_str2ad( samba_ad[ i ].name, samba_ad[ i ].adp, &text );
+ if ( rc != LDAP_SUCCESS ) {
+ Debug( LDAP_DEBUG_ANY, "smbk5pwd: "
+ "unable to find \"%s\" attributeType: %s (%d).\n",
+ samba_ad[ i ].name, text, rc );
+ oc_sambaSamAccount = NULL;
+ return rc;
+ }
+ }
+ }
#endif /* DO_SAMBA */
+#ifdef DO_SHADOW
+ if ( SMBK5PWD_DO_SHADOW( pi ) && oc_shadowAccount == NULL ) {
+ int i, rc;
+
+ oc_shadowAccount = oc_find( "shadowAccount" );
+ if ( !oc_shadowAccount ) {
+ Debug( LDAP_DEBUG_ANY, "smbk5pwd: "
+ "unable to find \"shadowAccount\" objectClass.\n",
+ 0, 0, 0 );
+ return -1;
+ }
+
+ for ( i = 0; shadow_ad[ i ].name != NULL; i++ ) {
+ const char *text;
+
+ *(shadow_ad[ i ].adp) = NULL;
+
+ rc = slap_str2ad( shadow_ad[ i ].name, shadow_ad[ i ].adp, &text );
+ if ( rc != LDAP_SUCCESS ) {
+ Debug( LDAP_DEBUG_ANY, "smbk5pwd: "
+ "unable to find \"%s\" attributeType: %s (%d).\n",
+ shadow_ad[ i ].name, text, rc );
+ oc_shadowAccount = NULL;
+ return rc;
+ }
+ }
+ }
+#endif /* DO_SHADOW */
+
+ return 0;
+}
+
+static int
+smbk5pwd_db_init(BackendDB *be, ConfigReply *cr)
+{
+ slap_overinst *on = (slap_overinst *)be->bd_info;
+ smbk5pwd_t *pi;
+
+ pi = ch_calloc( 1, sizeof( smbk5pwd_t ) );
+ if ( pi == NULL ) {
+ return 1;
+ }
+ on->on_bi.bi_private = (void *)pi;
+
+ return 0;
+}
+
+static int
+smbk5pwd_db_open(BackendDB *be, ConfigReply *cr)
+{
+ slap_overinst *on = (slap_overinst *)be->bd_info;
+ smbk5pwd_t *pi = (smbk5pwd_t *)on->on_bi.bi_private;
+
+ int rc;
+
+ if ( pi->mode == 0 ) {
+ pi->mode = SMBK5PWD_F_ALL;
+ }
+
+ rc = smbk5pwd_modules_init( pi );
+ if ( rc ) {
+ return rc;
+ }
+
+ return 0;
+}
+
+static int
+smbk5pwd_db_destroy(BackendDB *be, ConfigReply *cr)
+{
+ slap_overinst *on = (slap_overinst *)be->bd_info;
+ smbk5pwd_t *pi = (smbk5pwd_t *)on->on_bi.bi_private;
+
+ if ( pi ) {
+ ch_free( pi );
+ }
+
+ return 0;
+}
+
+int
+smbk5pwd_initialize(void)
+{
+ int rc;
+
smbk5pwd.on_bi.bi_type = "smbk5pwd";
- smbk5pwd.on_bi.bi_extended = smbk5pwd_exop_passwd;
+ smbk5pwd.on_bi.bi_db_init = smbk5pwd_db_init;
+ smbk5pwd.on_bi.bi_db_open = smbk5pwd_db_open;
+ smbk5pwd.on_bi.bi_db_destroy = smbk5pwd_db_destroy;
+
+ smbk5pwd.on_bi.bi_extended = smbk5pwd_exop_passwd;
+
#ifdef DO_KRB5
smbk5pwd.on_bi.bi_op_bind = smbk5pwd_op_bind;
lutil_passwd_add( (struct berval *)&k5key_scheme, k5key_chk, k5key_hash );
#endif
+ smbk5pwd.on_bi.bi_cf_ocs = smbk5pwd_cfocs;
+
+ rc = config_register_schema( smbk5pwd_cfats, smbk5pwd_cfocs );
+ if ( rc ) {
+ return rc;
+ }
+
return overlay_register( &smbk5pwd );
}
#if SLAPD_OVER_SMBK5PWD == SLAPD_MOD_DYNAMIC
int init_module(int argc, char *argv[]) {
- return smbk5pwd_init();
+ return smbk5pwd_initialize();
}
#endif
projects / openldap / blobdiff