/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
- * Copyright 1998-2004 The OpenLDAP Foundation.
+ * Copyright 1998-2008 The OpenLDAP Foundation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
#include <ac/string.h>
#include <ac/unistd.h>
+#ifdef SLAPD_CRYPT
+#include <ac/crypt.h>
+#endif
+
#include "slap.h"
#include <lber_pvt.h>
#include <lutil.h>
+#include <lutil_sha1.h>
static const char *defhash[] = {
#ifdef LUTIL_SHA1_BYTES
{
struct berval id = {0, NULL}, hash, *rsp = NULL;
req_pwdexop_s *qpw = &op->oq_pwdexop;
+ req_extended_s qext = op->oq_extended;
Modifications *ml;
- Operation op2;
slap_callback cb = { NULL, slap_null_cb, NULL, NULL };
slap_callback cb2 = { NULL, slap_replog_cb, NULL, NULL };
int i, nhash;
char **hashes;
- int rc;
+ int rc;
+ BackendDB *op_be;
+ int freenewpw = 0;
cb2.sc_next = &cb;
assert( ber_bvcmp( &slap_EXOP_MODIFY_PASSWD, &op->ore_reqoid ) == 0 );
if( op->o_dn.bv_len == 0 ) {
+ Statslog( LDAP_DEBUG_STATS, "%s PASSMOD\n",
+ op->o_log_prefix, 0, 0, 0, 0 );
rs->sr_text = "only authenticated users may change passwords";
return LDAP_STRONG_AUTH_REQUIRED;
}
+ qpw->rs_old.bv_len = 0;
qpw->rs_old.bv_val = NULL;
+ qpw->rs_new.bv_len = 0;
qpw->rs_new.bv_val = NULL;
qpw->rs_mods = NULL;
qpw->rs_modtail = NULL;
- rs->sr_err = slap_passwd_parse( op->ore_reqdata, &id, &qpw->rs_old,
- &qpw->rs_new, &rs->sr_text );
+ rs->sr_err = slap_passwd_parse( op->ore_reqdata, &id,
+ &qpw->rs_old, &qpw->rs_new, &rs->sr_text );
+
+ if ( rs->sr_err == LDAP_SUCCESS && !BER_BVISEMPTY( &id ) ) {
+ Statslog( LDAP_DEBUG_STATS, "%s PASSMOD id=\"%s\"%s%s\n",
+ op->o_log_prefix, id.bv_val,
+ qpw->rs_old.bv_val ? " old" : "",
+ qpw->rs_new.bv_val ? " new" : "", 0 );
+ } else {
+ Statslog( LDAP_DEBUG_STATS, "%s PASSMOD%s%s\n",
+ op->o_log_prefix,
+ qpw->rs_old.bv_val ? " old" : "",
+ qpw->rs_new.bv_val ? " new" : "", 0, 0 );
+ }
if ( rs->sr_err != LDAP_SUCCESS ) {
return rs->sr_err;
}
- if ( id.bv_len ) {
- ber_dupbv_x( &op->o_req_dn, &id, op->o_tmpmemctx );
- /* ndn is in tmpmem, so we don't need to free it */
- rs->sr_err = dnNormalize( 0, NULL, NULL, &id, &op->o_req_ndn, op->o_tmpmemctx );
+ if ( !BER_BVISEMPTY( &id ) ) {
+ rs->sr_err = dnPrettyNormal( NULL, &id, &op->o_req_dn,
+ &op->o_req_ndn, op->o_tmpmemctx );
if ( rs->sr_err != LDAP_SUCCESS ) {
rs->sr_text = "Invalid DN";
rc = rs->sr_err;
}
if( op->o_bd == NULL ) {
+ if ( qpw->rs_old.bv_val != NULL ) {
+ rs->sr_text = "unwilling to verify old password";
+ rc = LDAP_UNWILLING_TO_PERFORM;
+ goto error_return;
+ }
+
#ifdef HAVE_CYRUS_SASL
rc = slap_sasl_setpass( op, rs );
#else
goto error_return;
}
+ /* If we've got a glued backend, check the real backend */
+ op_be = op->o_bd;
+ if ( SLAP_GLUE_INSTANCE( op->o_bd )) {
+ op->o_bd = select_backend( &op->o_req_ndn, 0, 0 );
+ }
+
if (backend_check_restrictions( op, rs,
(struct berval *)&slap_EXOP_MODIFY_PASSWD ) != LDAP_SUCCESS) {
rc = rs->sr_err;
goto error_return;
}
+ /* check for referrals */
+ if ( backend_check_referrals( op, rs ) != LDAP_SUCCESS ) {
+ rc = rs->sr_err;
+ goto error_return;
+ }
#ifndef SLAPD_MULTIMASTER
/* This does not apply to multi-master case */
slap_passwd_generate( &qpw->rs_new );
if ( qpw->rs_new.bv_len ) {
rsp = slap_passwd_return( &qpw->rs_new );
+ freenewpw = 1;
}
}
if ( qpw->rs_new.bv_len == 0 ) {
goto error_return;
}
+ op->o_bd = op_be;
+
/* Give the backend a chance to handle this itself */
if ( op->o_bd->be_extended ) {
rs->sr_err = op->o_bd->be_extended( op, rs );
if ( rs->sr_err != LDAP_UNWILLING_TO_PERFORM &&
- rs->sr_err != SLAP_CB_CONTINUE ) {
+ rs->sr_err != SLAP_CB_CONTINUE )
+ {
rc = rs->sr_err;
+ if ( rsp ) {
+ rs->sr_rspdata = rsp;
+ rsp = NULL;
+ }
goto error_return;
}
}
goto error_return;
}
+ if ( qpw->rs_old.bv_val != NULL ) {
+ Entry *e = NULL;
+
+ rc = be_entry_get_rw( op, &op->o_req_ndn, NULL,
+ slap_schema.si_ad_userPassword, 0, &e );
+ if ( rc == LDAP_SUCCESS && e ) {
+ Attribute *a = attr_find( e->e_attrs,
+ slap_schema.si_ad_userPassword );
+ if ( a )
+ rc = slap_passwd_check( op, e, a, &qpw->rs_old, &rs->sr_text );
+ else
+ rc = 1;
+ be_entry_release_r( op, e );
+ if ( rc == LDAP_SUCCESS )
+ goto old_good;
+ }
+ rs->sr_text = "unwilling to verify old password";
+ rc = LDAP_UNWILLING_TO_PERFORM;
+ goto error_return;
+ }
+
+old_good:
ml = ch_malloc( sizeof(Modifications) );
if ( !qpw->rs_modtail ) qpw->rs_modtail = &ml->sml_next;
ml->sml_values[i].bv_val = NULL;
ml->sml_nvalues = NULL;
ml->sml_desc = slap_schema.si_ad_userPassword;
+ ml->sml_type = ml->sml_desc->ad_cname;
ml->sml_op = LDAP_MOD_REPLACE;
+ ml->sml_flags = 0;
ml->sml_next = qpw->rs_mods;
qpw->rs_mods = ml;
rs->sr_err = LDAP_OTHER;
} else {
- op2 = *op;
- op2.o_tag = LDAP_REQ_MODIFY;
- op2.o_callback = &cb2;
- op2.orm_modlist = qpw->rs_mods;
+ slap_callback *sc = op->o_callback;
+
+ op->o_tag = LDAP_REQ_MODIFY;
+ op->o_callback = &cb2;
+ op->orm_modlist = qpw->rs_mods;
cb2.sc_private = qpw; /* let Modify know this was pwdMod,
* if it cares... */
- rs->sr_err = slap_mods_opattrs( &op2, ml, qpw->rs_modtail, &rs->sr_text,
- NULL, 0, 1 );
-
- if ( rs->sr_err == LDAP_SUCCESS ) {
- rs->sr_err = op2.o_bd->be_modify( &op2, rs );
- /* FIXME: in case it got rewritten... */
- op->o_req_dn = op2.o_req_dn;
- op->o_req_ndn = op2.o_req_ndn;
- }
+ rs->sr_err = op->o_bd->be_modify( op, rs );
+
+ /* be_modify() might have shuffled modifications */
+ qpw->rs_mods = op->orm_modlist;
+
if ( rs->sr_err == LDAP_SUCCESS ) {
rs->sr_rspdata = rsp;
+
} else if ( rsp ) {
ber_bvfree( rsp );
+ rsp = NULL;
}
- }
- slap_mods_free( qpw->rs_mods );
- if ( rsp ) {
- free( qpw->rs_new.bv_val );
+ op->o_tag = LDAP_REQ_EXTENDED;
+ op->o_callback = sc;
}
rc = rs->sr_err;
+ op->oq_extended = qext;
error_return:;
+ if ( qpw->rs_mods ) {
+ slap_mods_free( qpw->rs_mods, 1 );
+ }
+ if ( freenewpw ) {
+ free( qpw->rs_new.bv_val );
+ }
if ( !BER_BVISNULL( &op->o_req_dn ) ) {
op->o_tmpfree( op->o_req_dn.bv_val, op->o_tmpmemctx );
+ BER_BVZERO( &op->o_req_dn );
}
if ( !BER_BVISNULL( &op->o_req_ndn ) ) {
op->o_tmpfree( op->o_req_ndn.bv_val, op->o_tmpmemctx );
+ BER_BVZERO( &op->o_req_ndn );
}
return rc;
goto decoding_error;
}
- tag = ber_peek_tag( ber, &len);
+ tag = ber_peek_tag( ber, &len );
}
if( tag == LDAP_TAG_EXOP_MODIFY_PASSWD_OLD ) {
goto decoding_error;
}
+ if( oldpass->bv_len == 0 ) {
+ Debug( LDAP_DEBUG_TRACE, "slap_passwd_parse: OLD empty.\n",
+ 0, 0, 0 );
+
+ *text = "old password value is empty";
+ rc = LDAP_UNWILLING_TO_PERFORM;
+ goto done;
+ }
+
tag = ber_peek_tag( ber, &len );
}
goto decoding_error;
}
+ if( newpass->bv_len == 0 ) {
+ Debug( LDAP_DEBUG_TRACE, "slap_passwd_parse: NEW empty.\n",
+ 0, 0, 0 );
+
+ *text = "new password value is empty";
+ rc = LDAP_UNWILLING_TO_PERFORM;
+ goto done;
+ }
+
tag = ber_peek_tag( ber, &len );
}
return bv;
}
+/*
+ * if "e" is provided, access to each value of the password is checked first
+ */
int
slap_passwd_check(
- Connection *conn,
- Attribute *a,
- struct berval *cred,
- const char **text )
+ Operation *op,
+ Entry *e,
+ Attribute *a,
+ struct berval *cred,
+ const char **text )
{
- int result = 1;
- struct berval *bv;
+ int result = 1;
+ struct berval *bv;
+ AccessControlState acl_state = ACL_STATE_INIT;
-#if defined( SLAPD_CRYPT ) || defined( SLAPD_SPASSWD )
- ldap_pvt_thread_mutex_lock( &passwd_mutex );
#ifdef SLAPD_SPASSWD
- lutil_passwd_sasl_conn = conn->c_sasl_authctx;
-#endif
+ ldap_pvt_thread_pool_setkey( op->o_threadctx, slap_sasl_bind,
+ op->o_conn->c_sasl_authctx, NULL );
#endif
for ( bv = a->a_vals; bv->bv_val != NULL; bv++ ) {
- if( !lutil_passwd( bv, cred, NULL, text ) ) {
+ /* if e is provided, check access */
+ if ( e && access_allowed( op, e, a->a_desc, bv,
+ ACL_AUTH, &acl_state ) == 0 )
+ {
+ continue;
+ }
+
+ if ( !lutil_passwd( bv, cred, NULL, text ) ) {
result = 0;
break;
}
}
-#if defined( SLAPD_CRYPT ) || defined( SLAPD_SPASSWD )
#ifdef SLAPD_SPASSWD
- lutil_passwd_sasl_conn = NULL;
-#endif
- ldap_pvt_thread_mutex_unlock( &passwd_mutex );
+ ldap_pvt_thread_pool_setkey( op->o_threadctx, slap_sasl_bind,
+ NULL, NULL );
#endif
return result;
slap_passwd_generate( struct berval *pass )
{
Debug( LDAP_DEBUG_TRACE, "slap_passwd_generate\n", 0, 0, 0 );
- pass->bv_val = NULL;
- pass->bv_len = 0;
+ BER_BVZERO( pass );
/*
* generate passwords of only 8 characters as some getpass(3)
new->bv_len = 0;
new->bv_val = NULL;
- assert( hash );
-
-#if defined( SLAPD_CRYPT ) || defined( SLAPD_SPASSWD )
- ldap_pvt_thread_mutex_lock( &passwd_mutex );
-#endif
+ assert( hash != NULL );
lutil_passwd_hash( cred , hash, new, text );
-
-#if defined( SLAPD_CRYPT ) || defined( SLAPD_SPASSWD )
- ldap_pvt_thread_mutex_unlock( &passwd_mutex );
-#endif
-
}
void
slap_passwd_hash(
slap_passwd_hash_type( cred, new, hash, text );
}
+
+#ifdef SLAPD_CRYPT
+static ldap_pvt_thread_mutex_t passwd_mutex;
+static lutil_cryptfunc slapd_crypt;
+
+static int slapd_crypt( const char *key, const char *salt, char **hash )
+{
+ char *cr;
+ int rc;
+
+ ldap_pvt_thread_mutex_lock( &passwd_mutex );
+
+ cr = crypt( key, salt );
+ if ( cr == NULL || cr[0] == '\0' ) {
+ /* salt must have been invalid */
+ rc = LUTIL_PASSWD_ERR;
+ } else {
+ if ( hash ) {
+ *hash = ber_strdup( cr );
+ rc = LUTIL_PASSWD_OK;
+
+ } else {
+ rc = strcmp( salt, cr ) ? LUTIL_PASSWD_ERR : LUTIL_PASSWD_OK;
+ }
+ }
+
+ ldap_pvt_thread_mutex_unlock( &passwd_mutex );
+ return rc;
+}
+#endif /* SLAPD_CRYPT */
+
+void slap_passwd_init()
+{
+#ifdef SLAPD_CRYPT
+ ldap_pvt_thread_mutex_init( &passwd_mutex );
+ lutil_cryptptr = slapd_crypt;
+#endif
+}
+
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