/* bind.c - ldbm backend bind and unbind routines */
+/* $OpenLDAP$ */
+/*
+ * Copyright 1998-1999 The OpenLDAP Foundation, All Rights Reserved.
+ * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
+ */
+
+#include "portable.h"
#include <stdio.h>
-#include <string.h>
-#include <sys/types.h>
-#include <sys/socket.h>
+
+#include <ac/krb.h>
+#include <ac/socket.h>
+#include <ac/string.h>
+#include <ac/unistd.h>
+
#include "slap.h"
#include "back-ldbm.h"
-#ifdef KERBEROS
-#include "krb.h"
-#endif
+#include "proto-back-ldbm.h"
-extern Entry *dn2entry();
-extern Attribute *attr_find();
+#include <lutil.h>
-#ifdef KERBEROS
+#ifdef HAVE_KERBEROS
extern int krbv4_ldap_auth();
#endif
+static int
+crypted_value_find(
+ struct berval **vals,
+ struct berval *v,
+ int syntax,
+ int normalize,
+ struct berval *cred
+)
+{
+ int i;
+ for ( i = 0; vals[i] != NULL; i++ ) {
+ if ( syntax != SYNTAX_BIN ) {
+ int result;
+
+#ifdef SLAPD_CRYPT
+ ldap_pvt_thread_mutex_lock( &crypt_mutex );
+#endif
+
+ result = lutil_passwd(
+ (char*) cred->bv_val,
+ (char*) vals[i]->bv_val,
+ NULL );
+
+#ifdef SLAPD_CRYPT
+ ldap_pvt_thread_mutex_unlock( &crypt_mutex );
+#endif
+
+ return result;
+
+ } else {
+ if ( value_cmp( vals[i], v, syntax, normalize ) == 0 ) {
+ return( 0 );
+ }
+ }
+ }
+
+ return( 1 );
+}
+
int
ldbm_back_bind(
Backend *be,
Operation *op,
char *dn,
int method,
- struct berval *cred
+ char *mech,
+ struct berval *cred,
+ char** edn
)
{
struct ldbminfo *li = (struct ldbminfo *) be->be_private;
Entry *e;
Attribute *a;
int rc;
- char *matched = NULL;
-#ifdef KERBEROS
+ Entry *matched;
+#ifdef HAVE_KERBEROS
char krbname[MAX_K_NAME_SZ + 1];
AUTH_DAT ad;
#endif
- if ( (e = dn2entry( be, dn, &matched )) == NULL ) {
+ Debug(LDAP_DEBUG_ARGS, "==> ldbm_back_bind: dn: %s\n", dn, 0, 0);
+
+ *edn = NULL;
+
+ /* get entry with reader lock */
+ if ( (e = dn2entry_r( be, dn, &matched )) == NULL ) {
+ char *matched_dn = NULL;
+ struct berval **refs = NULL;
+
+ if( matched != NULL ) {
+ matched_dn = ch_strdup( matched->e_dn );
+
+ refs = is_entry_referral( matched )
+ ? get_entry_referrals( be, conn, op, matched )
+ : NULL;
+
+ cache_return_entry_r( &li->li_cache, matched );
+ } else {
+ refs = default_referral;
+ }
+
/* allow noauth binds */
- if ( method == LDAP_AUTH_SIMPLE && cred->bv_len == 0 ) {
- /*
- * bind successful, but return 1 so we don't
- * authorize based on noauth credentials
- */
- send_ldap_result( conn, op, LDAP_SUCCESS, NULL, NULL );
- rc = 1;
- } else if ( be_isroot_pw( be, dn, cred ) ) {
- /* front end will send result */
- rc = 0;
+ rc = 1;
+ if ( method == LDAP_AUTH_SIMPLE ) {
+ if( cred->bv_len == 0 ) {
+ /* SUCCESS */
+ send_ldap_result( conn, op, LDAP_SUCCESS,
+ NULL, NULL, NULL, NULL );
+
+ } else if ( be_isroot_pw( be, dn, cred ) ) {
+ *edn = ch_strdup( be_root_dn( be ) );
+ rc = 0; /* front end will send result */
+
+ } else {
+ send_ldap_result( conn, op, LDAP_REFERRAL,
+ matched_dn, NULL, refs, NULL );
+ }
+
+ } else if ( method == LDAP_AUTH_SASL ) {
+ if( mech != NULL && strcasecmp(mech,"DIGEST-MD5") == 0 ) {
+ /* insert DIGEST calls here */
+ send_ldap_result( conn, op, LDAP_AUTH_METHOD_NOT_SUPPORTED,
+ NULL, NULL, NULL, NULL );
+
+ } else {
+ send_ldap_result( conn, op, LDAP_AUTH_METHOD_NOT_SUPPORTED,
+ NULL, NULL, NULL, NULL );
+ }
+
} else {
- send_ldap_result( conn, op, LDAP_NO_SUCH_OBJECT,
- matched, NULL );
- rc = 1;
+ send_ldap_result( conn, op, LDAP_REFERRAL,
+ matched_dn, NULL, refs, NULL );
}
+
if ( matched != NULL ) {
- free( matched );
+ ber_bvecfree( refs );
+ free( matched_dn );
}
return( rc );
}
+ *edn = ch_strdup( e->e_dn );
+
+ /* check for deleted */
+
+ if ( ! access_allowed( be, conn, op, e,
+ "entry", NULL, ACL_AUTH ) )
+ {
+ send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS,
+ NULL, NULL, NULL, NULL );
+ rc = 1;
+ goto return_results;
+ }
+
+ if ( is_entry_alias( e ) ) {
+ /* entry is an alias, don't allow bind */
+ Debug( LDAP_DEBUG_TRACE, "entry is alias\n", 0,
+ 0, 0 );
+
+ send_ldap_result( conn, op, LDAP_ALIAS_PROBLEM,
+ NULL, NULL, NULL, NULL );
+
+ rc = 1;
+ goto return_results;
+ }
+
+ if ( is_entry_referral( e ) ) {
+ /* entry is a referral, don't allow bind */
+ struct berval **refs = get_entry_referrals( be,
+ conn, op, e );
+
+ Debug( LDAP_DEBUG_TRACE, "entry is referral\n", 0,
+ 0, 0 );
+
+ send_ldap_result( conn, op, LDAP_REFERRAL,
+ e->e_dn, NULL, refs, NULL );
+
+ ber_bvecfree( refs );
+
+ rc = 1;
+ goto return_results;
+ }
+
switch ( method ) {
case LDAP_AUTH_SIMPLE:
if ( cred->bv_len == 0 ) {
- send_ldap_result( conn, op, LDAP_SUCCESS, NULL, NULL );
- return( 1 );
- } else if ( be_isroot_pw( be, dn, cred ) ) {
+ send_ldap_result( conn, op, LDAP_SUCCESS,
+ NULL, NULL, NULL, NULL );
+
+ /* stop front end from sending result */
+ rc = 1;
+ goto return_results;
+ }
+
+ /* check for root dn/passwd */
+ if ( be_isroot_pw( be, dn, cred ) ) {
/* front end will send result */
- return( 0 );
+ if(*edn != NULL) free( *edn );
+ *edn = ch_strdup( be_root_dn( be ) );
+ rc = 0;
+ goto return_results;
+ }
+
+ if ( ! access_allowed( be, conn, op, e,
+ "userpassword", NULL, ACL_AUTH ) )
+ {
+ send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS,
+ NULL, NULL, NULL, NULL );
+ rc = 1;
+ goto return_results;
}
if ( (a = attr_find( e->e_attrs, "userpassword" )) == NULL ) {
- if ( be_isroot_pw( be, dn, cred ) ) {
- /* front end will send result */
- return( 0 );
- }
send_ldap_result( conn, op, LDAP_INAPPROPRIATE_AUTH,
- NULL, NULL );
- cache_return_entry( &li->li_cache, e );
- return( 1 );
+ NULL, NULL, NULL, NULL );
+
+ /* stop front end from sending result */
+ rc = 1;
+ goto return_results;
}
- if ( value_find( a->a_vals, cred, a->a_syntax, 0 ) != 0 ) {
- if ( be_isroot_pw( be, dn, cred ) ) {
- /* front end will send result */
- return( 0 );
- }
+ if ( crypted_value_find( a->a_vals, cred, a->a_syntax, 0, cred ) != 0 )
+ {
send_ldap_result( conn, op, LDAP_INVALID_CREDENTIALS,
- NULL, NULL );
- cache_return_entry( &li->li_cache, e );
- return( 1 );
+ NULL, NULL, NULL, NULL );
+ /* stop front end from sending result */
+ rc = 1;
+ goto return_results;
}
+
+ rc = 0;
break;
-#ifdef KERBEROS
+#ifdef HAVE_KERBEROS
case LDAP_AUTH_KRBV41:
+ if ( ! access_allowed( be, conn, op, e,
+ "krbname", NULL, ACL_AUTH ) )
+ {
+ send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS,
+ NULL, NULL, NULL, NULL );
+ rc = 1;
+ goto return_results;
+ }
+
if ( krbv4_ldap_auth( be, cred, &ad ) != LDAP_SUCCESS ) {
send_ldap_result( conn, op, LDAP_INVALID_CREDENTIALS,
- NULL, NULL );
- cache_return_entry( &li->li_cache, e );
- return( 1 );
+ NULL, NULL, NULL, NULL );
+ rc = 1;
+ goto return_results;
}
+
+ if ( ! access_allowed( be, conn, op, e,
+ "krbname", NULL, ACL_AUTH ) )
+ {
+ send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS,
+ NULL, NULL, NULL, NULL );
+ rc = 1;
+ goto return_results;
+ }
+
sprintf( krbname, "%s%s%s@%s", ad.pname, *ad.pinst ? "."
: "", ad.pinst, ad.prealm );
+
+
if ( (a = attr_find( e->e_attrs, "krbname" )) == NULL ) {
/*
* no krbName values present: check against DN
*/
if ( strcasecmp( dn, krbname ) == 0 ) {
+ rc = 0;
break;
}
send_ldap_result( conn, op, LDAP_INAPPROPRIATE_AUTH,
- NULL, NULL );
- cache_return_entry( &li->li_cache, e );
- return( 1 );
+ NULL, NULL, NULL, NULL );
+ rc = 1;
+ goto return_results;
+
} else { /* look for krbName match */
struct berval krbval;
krbval.bv_val = krbname;
krbval.bv_len = strlen( krbname );
- if ( value_find( a->a_vals, &krbval, a->a_syntax, 3 )
- != 0 ) {
+ if ( value_find( a->a_vals, &krbval, a->a_syntax, 3 ) != 0 ) {
send_ldap_result( conn, op,
- LDAP_INVALID_CREDENTIALS, NULL, NULL );
- cache_return_entry( &li->li_cache, e );
- return( 1 );
+ LDAP_INVALID_CREDENTIALS,
+ NULL, NULL, NULL, NULL );
+ rc = 1;
+ goto return_results;
}
}
+ rc = 0;
break;
case LDAP_AUTH_KRBV42:
- send_ldap_result( conn, op, LDAP_SUCCESS, NULL, NULL );
- cache_return_entry( &li->li_cache, e );
- return( 1 );
+ send_ldap_result( conn, op, LDAP_SUCCESS,
+ NULL, NULL, NULL, NULL );
+ /* stop front end from sending result */
+ rc = 1;
+ goto return_results;
#endif
+ case LDAP_AUTH_SASL:
+ /* insert SASL code here */
+
default:
send_ldap_result( conn, op, LDAP_STRONG_AUTH_NOT_SUPPORTED,
- NULL, "auth method not supported" );
- cache_return_entry( &li->li_cache, e );
- return( 1 );
+ NULL, "auth method not supported", NULL, NULL );
+ rc = 1;
+ goto return_results;
}
- cache_return_entry( &li->li_cache, e );
+return_results:;
+ /* free entry and reader lock */
+ cache_return_entry_r( &li->li_cache, e );
- /* success: front end will send result */
- return( 0 );
+ /* front end with send result on success (rc==0) */
+ return( rc );
}
+
projects / openldap / blobdiff