#include "portable.h"
#include <stdio.h>
#include <ac/krb.h>
#include <ac/socket.h>
#include <ac/string.h>
#include <ac/unistd.h>
#include "slap.h"
#include "back-ldbm.h"
#include "proto-back-ldbm.h"
int
ldbm_back_bind(
Operation *op,
SlapReply *rs )
{
struct ldbminfo *li = (struct ldbminfo *) op->o_bd->be_private;
Entry *e;
Attribute *a;
int rc;
Entry *matched;
#ifdef LDAP_API_FEATURE_X_OPENLDAP_V2_KBIND
char krbname[MAX_K_NAME_SZ + 1];
AttributeDescription *krbattr = slap_schema.si_ad_krbName;
AUTH_DAT ad;
#endif
AttributeDescription *password = slap_schema.si_ad_userPassword;
#ifdef NEW_LOGGING
LDAP_LOG( BACK_LDBM, ENTRY,
"ldbm_back_bind: dn: %s.\n", op->o_req_dn.bv_val, 0, 0 );
#else
Debug(LDAP_DEBUG_ARGS,
"==> ldbm_back_bind: dn: %s\n", op->o_req_dn.bv_val, 0, 0);
#endif
if ( op->oq_bind.rb_method == LDAP_AUTH_SIMPLE && be_isroot_pw( op ) ) {
ber_dupbv( &op->oq_bind.rb_edn, be_root_dn( op->o_bd ) );
return LDAP_SUCCESS;
}
ldap_pvt_thread_rdwr_rlock(&li->li_giant_rwlock);
if ( (e = dn2entry_r( op->o_bd, &op->o_req_ndn, &matched )) == NULL ) {
if( matched != NULL ) {
cache_return_entry_r( &li->li_cache, matched );
}
ldap_pvt_thread_rdwr_runlock(&li->li_giant_rwlock);
rc = 1;
rs->sr_err = LDAP_INVALID_CREDENTIALS;
send_ldap_result( op, rs );
return rs->sr_err;
}
#ifdef LDBM_SUBENTRIES
if ( is_entry_subentry( e ) ) {
#ifdef NEW_LOGGING
LDAP_LOG ( OPERATION, DETAIL1,
"bdb_bind: entry is subentry\n", 0, 0, 0 );
#else
Debug( LDAP_DEBUG_TRACE,
"entry is subentry\n", 0, 0, 0 );
#endif
rc = LDAP_INVALID_CREDENTIALS;
goto return_results;
}
#endif
if ( is_entry_alias( e ) ) {
#ifdef NEW_LOGGING
LDAP_LOG( BACK_LDBM, INFO,
"ldbm_back_bind: entry (%s) is an alias.\n",
e->e_name.bv_val, 0, 0 );
#else
Debug( LDAP_DEBUG_TRACE, "entry is alias\n", 0, 0, 0 );
#endif
#if 1
rc = LDAP_INVALID_CREDENTIALS;
#else
rs->sr_text = "entry is alias";
rc = LDAP_ALIAS_PROBLEM;
#endif
goto return_results;
}
if ( is_entry_referral( e ) ) {
#ifdef NEW_LOGGING
LDAP_LOG( BACK_LDBM, INFO,
"ldbm_back_bind: entry(%s) is a referral.\n", e->e_dn, 0, 0 );
#else
Debug( LDAP_DEBUG_TRACE, "entry is referral\n", 0, 0, 0 );
#endif
rc = LDAP_INVALID_CREDENTIALS;
goto return_results;
}
switch ( op->oq_bind.rb_method ) {
case LDAP_AUTH_SIMPLE:
if ( ! access_allowed( op, e,
password, NULL, ACL_AUTH, NULL ) )
{
#if 1
rc = LDAP_INVALID_CREDENTIALS;
#else
rc = LDAP_INSUFFICIENT_ACCESS;
#endif
goto return_results;
}
if ( (a = attr_find( e->e_attrs, password )) == NULL ) {
#if 1
rc = LDAP_INVALID_CREDENTIALS;
#else
rc = LDAP_INAPPROPRIATE_AUTH;
#endif
goto return_results;
}
if ( slap_passwd_check( op->o_conn,
a, &op->oq_bind.rb_cred, &rs->sr_text ) != 0 )
{
rc = LDAP_INVALID_CREDENTIALS;
goto return_results;
}
rc = 0;
break;
#ifdef LDAP_API_FEATURE_X_OPENLDAP_V2_KBIND
case LDAP_AUTH_KRBV41:
if ( krbv4_ldap_auth( op->o_bd, &op->oq_bind.rb_cred, &ad )
!= LDAP_SUCCESS )
{
rc = LDAP_INVALID_CREDENTIALS;
goto return_results;
}
if ( ! access_allowed( op, e,
krbattr, NULL, ACL_AUTH, NULL ) )
{
rc = LDAP_INSUFFICIENT_ACCESS;
goto return_results;
}
sprintf( krbname, "%s%s%s@%s", ad.pname, *ad.pinst ? "."
: "", ad.pinst, ad.prealm );
if ( (a = attr_find( e->e_attrs, krbattr )) == NULL ) {
if ( strcasecmp( op->o_req_dn.bv_val, krbname ) == 0 ) {
rc = 0;
break;
}
rc = LDAP_INAPPROPRIATE_AUTH;
goto return_results;
} else {
struct berval krbval;
krbval.bv_val = krbname;
krbval.bv_len = strlen( krbname );
if ( value_find( a->a_desc, a->a_vals, &krbval ) != 0 ) {
rc = LDAP_INVALID_CREDENTIALS;
goto return_results;
}
}
rc = 0;
break;
#endif
default:
assert( 0 );
rs->sr_text = "authentication method not supported";
rc = LDAP_STRONG_AUTH_NOT_SUPPORTED;
goto return_results;
}
ber_dupbv( &op->oq_bind.rb_edn, &e->e_name );
return_results:;
cache_return_entry_r( &li->li_cache, e );
ldap_pvt_thread_rdwr_runlock(&li->li_giant_rwlock);
if ( rc ) {
rs->sr_err = rc;
send_ldap_result( op, rs );
if ( rs->sr_ref ) {
ber_bvarray_free( rs->sr_ref );
rs->sr_ref = NULL;
}
}
return( rc );
}