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[openldap] / servers / slapd / root_dse.c
index 962d7f4a0952d4da5a3e6c4dc0106a9248fbf5fb..8dd7e3a9161a586cfa17630024d2e4627a1d340e 100644 (file)
+/* root_dse.c - Provides the Root DSA-Specific Entry */
 /* $OpenLDAP$ */
-/* root_dse.c - Provides the ROOT DSA-Specific Entry
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
  *
- * Copyright 1999-2000 The OpenLDAP Foundation.
+ * Copyright 1999-2005 The OpenLDAP Foundation.
  * All rights reserved.
  *
- * Redistribution and use in source and binary forms are permitted only
- * as authorized by the OpenLDAP Public License.  A copy of this
- * license is available at http://www.OpenLDAP.org/license.html or
- * in file LICENSE in the top-level directory of the distribution.
+ * 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"
 
 #include <stdio.h>
+
 #include <ac/string.h>
 
 #include "slap.h"
+#include <ldif.h>
+#include "lber_pvt.h"
+
+#ifdef LDAP_SLAPI
+#include "slapi/slapi.h"
+#endif
+
+static struct berval supportedFeatures[] = {
+       BER_BVC(LDAP_FEATURE_MODIFY_INCREMENT),         /* Modify/increment */
+       BER_BVC(LDAP_FEATURE_ALL_OP_ATTRS),                     /* All Op Attrs (+) */
+       BER_BVC(LDAP_FEATURE_OBJECTCLASS_ATTRS),        /* OCs in Attrs List (@class) */
+       BER_BVC(LDAP_FEATURE_ABSOLUTE_FILTERS),         /* (&) and (|) search filters */
+       BER_BVC(LDAP_FEATURE_LANGUAGE_TAG_OPTIONS), /* Language Tag Options */
+       BER_BVC(LDAP_FEATURE_LANGUAGE_RANGE_OPTIONS),/* Language Range Options */
+
+#ifdef LDAP_DEVEL
+       BER_BVC(LDAP_FEATURE_SUBORDINATE_SCOPE),        /* "children" search scope */
+#endif
+       {0,NULL}
+};
 
-void
-root_dse_info( Connection *conn, Operation *op, char **attrs, int attrsonly )
+static Entry   *usr_attr = NULL;
+
+int
+root_dse_info(
+       Connection *conn,
+       Entry **entry,
+       const char **text )
 {
-       char buf[BUFSIZ];
        Entry           *e;
-       struct berval   val;
-       struct berval   *vals[2];
+       struct berval vals[2], *bv;
+       struct berval nvals[2];
        int             i, j;
+       char ** supportedSASLMechanisms;
+
+       AttributeDescription *ad_structuralObjectClass
+               = slap_schema.si_ad_structuralObjectClass;
+       AttributeDescription *ad_objectClass
+               = slap_schema.si_ad_objectClass;
+       AttributeDescription *ad_namingContexts
+               = slap_schema.si_ad_namingContexts;
+       AttributeDescription *ad_supportedExtension
+               = slap_schema.si_ad_supportedExtension;
+       AttributeDescription *ad_supportedLDAPVersion
+               = slap_schema.si_ad_supportedLDAPVersion;
+       AttributeDescription *ad_supportedSASLMechanisms
+               = slap_schema.si_ad_supportedSASLMechanisms;
+       AttributeDescription *ad_supportedFeatures
+               = slap_schema.si_ad_supportedFeatures;
+       AttributeDescription *ad_monitorContext
+               = slap_schema.si_ad_monitorContext;
+       AttributeDescription *ad_ref
+               = slap_schema.si_ad_ref;
 
-       vals[0] = &val;
-       vals[1] = NULL;
+       vals[1].bv_val = NULL;
+       nvals[1].bv_val = NULL;
 
-       e = (Entry *) ch_calloc( 1, sizeof(Entry) );
+       e = (Entry *) SLAP_CALLOC( 1, sizeof(Entry) );
+
+       if( e == NULL ) {
+#ifdef NEW_LOGGING
+               LDAP_LOG( OPERATION, ERR,
+                       "root_dse_info: SLAP_CALLOC failed", 0, 0, 0 );
+#else
+               Debug( LDAP_DEBUG_ANY,
+                       "root_dse_info: SLAP_CALLOC failed", 0, 0, 0 );
+#endif
+               return LDAP_OTHER;
+       }
 
        e->e_attrs = NULL;
-       e->e_dn = ch_strdup( LDAP_ROOT_DSE );
-       e->e_ndn = ch_strdup( LDAP_ROOT_DSE );
-       (void) dn_normalize( e->e_ndn );
+       e->e_name.bv_val = ch_strdup( LDAP_ROOT_DSE );
+       e->e_name.bv_len = sizeof( LDAP_ROOT_DSE )-1;
+       e->e_nname.bv_val = ch_strdup( LDAP_ROOT_DSE );
+       e->e_nname.bv_len = sizeof( LDAP_ROOT_DSE )-1;
+
+       /* the DN is an empty string so no pretty/normalization is needed */
+       assert( !e->e_name.bv_len );
+       assert( !e->e_nname.bv_len );
+
        e->e_private = NULL;
 
+       vals[0].bv_val = "top";
+       vals[0].bv_len = sizeof("top")-1;
+       if( attr_merge( e, ad_objectClass, vals, NULL ) ) {
+               return LDAP_OTHER;
+       }
+
+       vals[0].bv_val = "OpenLDAProotDSE";
+       vals[0].bv_len = sizeof("OpenLDAProotDSE")-1;
+       if( attr_merge( e, ad_objectClass, vals, NULL ) ) {
+               return LDAP_OTHER;
+       }
+       if( attr_merge( e, ad_structuralObjectClass, vals, NULL ) ) {
+               return LDAP_OTHER;
+       }
+
        for ( i = 0; i < nbackends; i++ ) {
-               for ( j = 0; backends[i].be_suffix[j] != NULL; j++ ) {
-                       val.bv_val = backends[i].be_suffix[j];
-                       val.bv_len = strlen( val.bv_val );
-                       attr_merge( e, "namingContexts", vals );
+               if ( backends[i].be_suffix == NULL
+                               || backends[i].be_nsuffix == NULL ) {
+                       /* no suffix! */
+                       continue;
+               }
+               if ( SLAP_MONITOR( &backends[i] )) {
+                       vals[0] = backends[i].be_suffix[0];
+                       nvals[0] = backends[i].be_nsuffix[0];
+                       if( attr_merge( e, ad_monitorContext, vals, nvals ) ) {
+                               return LDAP_OTHER;
+                       }
+                       continue;
+               }
+               if ( SLAP_GLUE_SUBORDINATE( &backends[i] ) ) {
+                       continue;
+               }
+               for ( j = 0; backends[i].be_suffix[j].bv_val != NULL; j++ ) {
+                       vals[0] = backends[i].be_suffix[j];
+                       nvals[0] = backends[i].be_nsuffix[0];
+                       if( attr_merge( e, ad_namingContexts, vals, nvals ) ) {
+                               return LDAP_OTHER;
+                       }
                }
        }
 
        /* altServer unsupported */
 
        /* supportedControl */
-       for ( i=0; supportedControls[i] != NULL; i++ ) {
-               val.bv_val = supportedControls[i];
-               val.bv_len = strlen( val.bv_val );
-               attr_merge( e, "supportedControl", vals );
+       if ( controls_root_dse_info( e ) != 0 ) {
+               return LDAP_OTHER;
        }
 
        /* supportedExtension */
-       for ( i=0; (val.bv_val = get_supported_extop(i)) != NULL; i++ ) {
-               val.bv_len = strlen( val.bv_val );
-               attr_merge( e, "supportedExtension", vals );
+       if ( exop_root_dse_info( e ) != 0 ) {
+               return LDAP_OTHER;
+       }
+
+#ifdef LDAP_SLAPI
+       /* netscape supportedExtension */
+       for ( i = 0; (bv = slapi_int_get_supported_extop(i)) != NULL; i++ ) {
+               vals[0] = *bv;
+               if( attr_merge( e, ad_supportedExtension, vals, NULL )) {
+                       return LDAP_OTHER;
+               }
+       }
+#endif /* LDAP_SLAPI */
+
+       /* supportedFeatures */
+       if( attr_merge( e, ad_supportedFeatures, supportedFeatures, NULL ) ) {
+               return LDAP_OTHER;
        }
 
        /* supportedLDAPVersion */
        for ( i=LDAP_VERSION_MIN; i<=LDAP_VERSION_MAX; i++ ) {
-               sprintf(buf,"%d",i);
-               val.bv_val = buf;
-               val.bv_len = strlen( val.bv_val );
-               attr_merge( e, "supportedLDAPVersion", vals );
+               char buf[BUFSIZ];
+               if (!( global_allows & SLAP_ALLOW_BIND_V2 ) &&
+                       ( i < LDAP_VERSION3 ) )
+               {
+                       /* version 2 and lower are disallowed */
+                       continue;
+               }
+               snprintf(buf, sizeof buf, "%d", i);
+               vals[0].bv_val = buf;
+               vals[0].bv_len = strlen( vals[0].bv_val );
+               if( attr_merge( e, ad_supportedLDAPVersion, vals, NULL ) ) {
+                       return LDAP_OTHER;
+               }
        }
 
        /* supportedSASLMechanism */
+       supportedSASLMechanisms = slap_sasl_mechs( conn );
+
        if( supportedSASLMechanisms != NULL ) {
                for ( i=0; supportedSASLMechanisms[i] != NULL; i++ ) {
-                       val.bv_val = supportedSASLMechanisms[i];
-                       val.bv_len = strlen( val.bv_val );
-                       attr_merge( e, "supportedSASLMechanisms", vals );
+                       vals[0].bv_val = supportedSASLMechanisms[i];
+                       vals[0].bv_len = strlen( vals[0].bv_val );
+                       if( attr_merge( e, ad_supportedSASLMechanisms, vals, NULL ) ) {
+                               return LDAP_OTHER;
+                       }
                }
+               ldap_charray_free( supportedSASLMechanisms );
        }
 
-#ifdef SLAPD_ACI_ENABLED
-       /* supportedACIMechanisms */
-       for ( i=0; (val.bv_val = get_supported_acimech(i)) != NULL; i++ ) {
-               val.bv_len = strlen( val.bv_val );
-               attr_merge( e, "supportedACIMechanisms", vals );
+       if ( default_referral != NULL ) {
+               if( attr_merge( e, ad_ref, default_referral, NULL /* FIXME */ ) ) {
+                       return LDAP_OTHER;
+               }
        }
-#endif
 
-       if ( default_referral != NULL ) {
-               attr_merge( e, "ref", default_referral );
+       if( usr_attr != NULL) {
+               Attribute *a;
+               for( a = usr_attr->e_attrs; a != NULL; a = a->a_next ) {
+                       if( attr_merge( e, a->a_desc, a->a_vals,
+                               (a->a_nvals == a->a_vals) ? NULL : a->a_nvals ) )
+                       {
+                               return LDAP_OTHER;
+                       }
+               }
        }
 
-       val.bv_val = "top";
-       val.bv_len = sizeof("top")-1;
-       attr_merge( e, "objectClass", vals );
+       *entry = e;
+       return LDAP_SUCCESS;
+}
 
-       val.bv_val = "LDAProotDSE";
-       val.bv_len = sizeof("LDAProotDSE")-1;
-       attr_merge( e, "objectClass", vals );
+/*
+ * Read the entries specified in fname and merge the attributes
+ * to the user defined rootDSE. Note thaat if we find any errors
+ * what so ever, we will discard the entire entries, print an
+ * error message and return.
+ */
+int read_root_dse_file( const char *fname )
+{
+       FILE    *fp;
+       int rc = 0, lineno = 0, lmax = 0;
+       char    *buf = NULL;
 
-       send_search_entry( &backends[0], conn, op,
-               e, attrs, attrsonly, NULL );
+       if ( (fp = fopen( fname, "r" )) == NULL ) {
+               Debug( LDAP_DEBUG_ANY,
+                       "could not open rootdse attr file \"%s\" - absolute path?\n",
+                       fname, 0, 0 );
+               perror( fname );
+               return EXIT_FAILURE;
+       }
 
-       send_search_result( conn, op, LDAP_SUCCESS,
-               NULL, NULL, NULL, NULL, 1 );
+       usr_attr = (Entry *) SLAP_CALLOC( 1, sizeof(Entry) );
+       if( usr_attr == NULL ) {
+#ifdef NEW_LOGGING
+               LDAP_LOG( OPERATION, ERR,
+                       "read_root_dse_file: SLAP_CALLOC failed", 0, 0, 0 );
+#else
+               Debug( LDAP_DEBUG_ANY,
+                       "read_root_dse_file: SLAP_CALLOC failed", 0, 0, 0 );
+#endif
+               fclose( fp );
+               return LDAP_OTHER;
+       }
+       usr_attr->e_attrs = NULL;
 
-       entry_free( e );
-}
+       while( ldif_read_record( fp, &lineno, &buf, &lmax ) ) {
+               Entry *e = str2entry( buf );
+               Attribute *a;
 
+               if( e == NULL ) {
+                       fprintf( stderr, "root_dse: could not parse entry (line=%d)\n",
+                               lineno );
+                       rc = EXIT_FAILURE;
+                       break;
+               }
+
+               /* make sure the DN is the empty DN */
+               if( e->e_nname.bv_len ) {
+                       fprintf( stderr,
+                               "root_dse: invalid rootDSE - dn=\"%s\" (line=%d)\n",
+                               e->e_dn, lineno );
+                       entry_free( e );
+                       rc = EXIT_FAILURE;
+                       break;
+               }
+
+               /*
+                * we found a valid entry, so walk thru all the attributes in the
+                * entry, and add each attribute type and description to the
+                * usr_attr entry
+                */
+
+               for(a = e->e_attrs; a != NULL; a = a->a_next) {
+                       if( attr_merge( usr_attr, a->a_desc, a->a_vals,
+                               (a->a_nvals == a->a_vals) ? NULL : a->a_nvals ) )
+                       {
+                               rc = LDAP_OTHER;
+                               break;
+                       }
+               }
+
+               entry_free( e );
+               if (rc) break;
+       }
+
+       if (rc) {
+               entry_free( usr_attr );
+               usr_attr = NULL;
+       }
+
+       ch_free( buf );
+
+       fclose( fp );
+
+       Debug(LDAP_DEBUG_CONFIG, "rootDSE file %s read.\n", fname, 0, 0);
+       return rc;
+}