X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=servers%2Fslapd%2Fback-ldbm%2Fbind.c;h=dce317876a1ff38e561713b5a045f244f8f78f0c;hb=4a107089d82ecdaca788fc6ecdef34d3d4fc19df;hp=dad6b9e2ac7127bc02a2b481863ad827c031cdbf;hpb=73276e84ae32e9e148197971d1d6729739980353;p=openldap

diff --git a/servers/slapd/back-ldbm/bind.c b/servers/slapd/back-ldbm/bind.c
index dad6b9e2ac..dce317876a 100644
--- a/servers/slapd/back-ldbm/bind.c
+++ b/servers/slapd/back-ldbm/bind.c
@@ -1,4 +1,18 @@
 /* bind.c - ldbm backend bind and unbind routines */
+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1998-2005 The OpenLDAP Foundation.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted only as authorized by the OpenLDAP
+ * Public License.
+ *
+ * A copy of this license is available in the file LICENSE in the
+ * top-level directory of the distribution or, alternatively, at
+ * <http://www.OpenLDAP.org/license.html>.
+ */
 
 #include "portable.h"
 
@@ -13,310 +27,170 @@
 #include "back-ldbm.h"
 #include "proto-back-ldbm.h"
 
-#include <lutil.h>
-
-#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,
-    Connection		*conn,
     Operation		*op,
-    char		*dn,
-    int			method,
-	char		*mech,
-    struct berval	*cred,
-	char**	edn
-)
+    SlapReply		*rs )
 {
-	struct ldbminfo	*li = (struct ldbminfo *) be->be_private;
+	struct ldbminfo	*li = (struct ldbminfo *) op->o_bd->be_private;
 	Entry		*e;
 	Attribute	*a;
 	int		rc;
 	Entry		*matched;
-#ifdef HAVE_KERBEROS
+#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
 
-	Debug(LDAP_DEBUG_ARGS, "==> ldbm_back_bind: dn: %s\n", dn, 0, 0);
-
-	*edn = NULL;
+	AttributeDescription *password = slap_schema.si_ad_userPassword;
 
-	/* get entry with reader lock */
-	if ( (e = dn2entry_r( be, dn, &matched )) == NULL ) {
-		char *matched_dn = NULL;
-		struct berval **refs = NULL;
+	Debug(LDAP_DEBUG_ARGS,
+		"==> ldbm_back_bind: dn: %s\n", op->o_req_dn.bv_val, 0, 0);
 
-		if( matched != NULL ) {
-			matched_dn = ch_strdup( matched->e_dn );
+	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 ) );
+		/* front end will send result */
+		return LDAP_SUCCESS;
+	}
 
-			refs = is_entry_referral( matched )
-				? get_entry_referrals( be, conn, op, matched )
-				: NULL;
+	/* grab giant lock for reading */
+	ldap_pvt_thread_rdwr_rlock(&li->li_giant_rwlock);
 
+	/* get entry with reader lock */
+	if ( (e = dn2entry_r( op->o_bd, &op->o_req_ndn, &matched )) == NULL ) {
+		if( matched != NULL ) {
 			cache_return_entry_r( &li->li_cache, matched );
-		} else {
-			refs = default_referral;
 		}
+		ldap_pvt_thread_rdwr_runlock(&li->li_giant_rwlock);
 
 		/* allow noauth binds */
 		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_REFERRAL,
-				matched_dn, NULL, refs, NULL );
-		}
-
-		if ( matched != NULL ) {
-			ber_bvecfree( refs );
-			free( matched_dn );
-		}
-		return( rc );
+		rs->sr_err = LDAP_INVALID_CREDENTIALS;
+		send_ldap_result( op, rs );
+		return rs->sr_err;
 	}
 
-	*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;
+#ifdef LDBM_SUBENTRIES
+	if ( is_entry_subentry( e ) ) {
+		/* entry is an subentry, don't allow bind */
+		Debug( LDAP_DEBUG_TRACE,
+				"entry is subentry\n", 0, 0, 0 );
+		rc = LDAP_INVALID_CREDENTIALS;
 		goto return_results;
 	}
+#endif
 
 	if ( is_entry_alias( e ) ) {
 		/* entry is an alias, don't allow bind */
-		Debug( LDAP_DEBUG_TRACE, "entry is alias\n", 0,
-		    0, 0 );
+		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;
+#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 ) ) {
 		/* 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 );
+		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;
+		rc = LDAP_INVALID_CREDENTIALS;
 		goto return_results;
 	}
 
-	switch ( method ) {
+	switch ( op->oq_bind.rb_method ) {
 	case LDAP_AUTH_SIMPLE:
-		if ( cred->bv_len == 0 ) {
-			send_ldap_result( conn, op, LDAP_SUCCESS,
-				NULL, NULL, NULL, NULL );
-
+		if ( (a = attr_find( e->e_attrs, password )) == 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 */
-			if(*edn != NULL) free( *edn );
-			*edn = ch_strdup( be_root_dn( be ) );
-			rc = 0;
+			rc = LDAP_INVALID_CREDENTIALS;
 			goto return_results;
 		}
 
-		if ( ! access_allowed( be, conn, op, e,
-			"userpassword", NULL, ACL_AUTH ) )
+		if ( slap_passwd_check( op, e, a, &op->oq_bind.rb_cred,
+					&rs->sr_text ) != 0 )
 		{
-			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 ) {
-			send_ldap_result( conn, op, LDAP_INAPPROPRIATE_AUTH,
-			    NULL, NULL, NULL, NULL );
-
-			/* stop front end from sending result */
-			rc = 1;
-			goto return_results;
-		}
-
-		if ( crypted_value_find( a->a_vals, cred, a->a_syntax, 0, cred ) != 0 )
-		{
-			send_ldap_result( conn, op, LDAP_INVALID_CREDENTIALS,
-				NULL, NULL, NULL, NULL );
-			/* stop front end from sending result */
-			rc = 1;
+			/* failure; stop front end from sending result */
+			rc = LDAP_INVALID_CREDENTIALS;
 			goto return_results;
 		}
 
 		rc = 0;
 		break;
 
-#ifdef HAVE_KERBEROS
+#ifdef LDAP_API_FEATURE_X_OPENLDAP_V2_KBIND
 	case LDAP_AUTH_KRBV41:
-		if ( ! access_allowed( be, conn, op, e,
-			"krbname", NULL, ACL_AUTH ) )
+		if ( krbv4_ldap_auth( op->o_bd, &op->oq_bind.rb_cred, &ad )
+			!= LDAP_SUCCESS )
 		{
-			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, NULL, NULL );
-			rc = 1;
+			rc = LDAP_INVALID_CREDENTIALS;
 			goto return_results;
 		}
 
-		if ( ! access_allowed( be, conn, op, e,
-			"krbname", NULL, ACL_AUTH ) )
+		if ( ! access_allowed( op, e,
+			krbattr, NULL, ACL_AUTH, NULL ) )
 		{
-			send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS,
-				NULL, NULL, NULL, NULL );
-			rc = 1;
+			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, "krbname" )) == NULL ) {
+		if ( (a = attr_find( e->e_attrs, krbattr )) == NULL ) {
 			/*
-			 * no krbName values present:  check against DN
+			 * no krbname values present:  check against DN
 			 */
-			if ( strcasecmp( dn, krbname ) == 0 ) {
+			if ( strcasecmp( op->o_req_dn.bv_val, krbname ) == 0 ) {
 				rc = 0;
 				break;
 			}
-			send_ldap_result( conn, op, LDAP_INAPPROPRIATE_AUTH,
-			    NULL, NULL, NULL, NULL );
-			rc = 1;
+			rc = LDAP_INAPPROPRIATE_AUTH;
 			goto return_results;
 
-		} else {	/* look for krbName match */
+		} 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 ) {
-				send_ldap_result( conn, op,
-				    LDAP_INVALID_CREDENTIALS,
-					NULL, NULL, NULL, NULL );
-				rc = 1;
+			if ( value_find( a->a_desc, a->a_vals, &krbval ) != 0 ) {
+				rc = LDAP_INVALID_CREDENTIALS;
 				goto return_results;
 			}
 		}
 		rc = 0;
 		break;
-
-	case LDAP_AUTH_KRBV42:
-		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", NULL, NULL );
-		rc = 1;
+		assert( 0 ); /* should not be reachable */
+		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:;
 	/* free entry and reader lock */
 	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;
+		}
+	}
 
-	/* front end with send result on success (rc==0) */
+	/* front end will send result on success (rc==0) */
 	return( rc );
 }