git.sur5r.net Git - openldap/blob - servers/slapd/root_dse.c

   1 /* $OpenLDAP$ */
   2 /* root_dse.c - Provides the ROOT DSA-Specific Entry
   3  *
   4  * Copyright 1999-2003 The OpenLDAP Foundation.
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms are permitted only
   8  * as authorized by the OpenLDAP Public License.  A copy of this
   9  * license is available at http://www.OpenLDAP.org/license.html or
  10  * in file LICENSE in the top-level directory of the distribution.
  11  */
  12
  13 #include "portable.h"
  14
  15 #include <stdio.h>
  16
  17 #include <ac/string.h>
  18
  19 #include "slap.h"
  20 #include <ldif.h>
  21 #include "lber_pvt.h"
  22
  23 #ifdef LDAP_SLAPI
  24 #include "slapi.h"
  25 #endif
  26
  27 static struct berval supportedFeatures[] = {
  28         BER_BVC(LDAP_FEATURE_ALL_OPERATIONAL_ATTRS), /* all Operational Attributes ("+") */
  29         BER_BVC(LDAP_FEATURE_OBJECTCLASS_ATTRS), /* OCs in Attributes List */
  30         BER_BVC(LDAP_FEATURE_ABSOLUTE_FILTERS), /* (&) and (|) search filters */
  31         BER_BVC(LDAP_FEATURE_LANGUAGE_TAG_OPTIONS), /* Language Tag Options */
  32         BER_BVC(LDAP_FEATURE_LANGUAGE_RANGE_OPTIONS), /* Language Range Options */
  33         {0,NULL}
  34 };
  35
  36 static Entry    *usr_attr = NULL;
  37
  38 int
  39 root_dse_info(
  40         Connection *conn,
  41         Entry **entry,
  42         const char **text )
  43 {
  44         Entry           *e;
  45         struct berval vals[2], *bv;
  46         struct berval nvals[2];
  47         int             i, j;
  48         char ** supportedSASLMechanisms;
  49
  50         AttributeDescription *ad_structuralObjectClass
  51                 = slap_schema.si_ad_structuralObjectClass;
  52         AttributeDescription *ad_objectClass
  53                 = slap_schema.si_ad_objectClass;
  54         AttributeDescription *ad_namingContexts
  55                 = slap_schema.si_ad_namingContexts;
  56         AttributeDescription *ad_supportedExtension
  57                 = slap_schema.si_ad_supportedExtension;
  58         AttributeDescription *ad_supportedLDAPVersion
  59                 = slap_schema.si_ad_supportedLDAPVersion;
  60         AttributeDescription *ad_supportedSASLMechanisms
  61                 = slap_schema.si_ad_supportedSASLMechanisms;
  62         AttributeDescription *ad_supportedFeatures
  63                 = slap_schema.si_ad_supportedFeatures;
  64         AttributeDescription *ad_monitorContext
  65                 = slap_schema.si_ad_monitorContext;
  66         AttributeDescription *ad_ref
  67                 = slap_schema.si_ad_ref;
  68
  69         vals[1].bv_val = NULL;
  70         nvals[1].bv_val = NULL;
  71
  72         e = (Entry *) SLAP_CALLOC( 1, sizeof(Entry) );
  73
  74         if( e == NULL ) {
  75 #ifdef NEW_LOGGING
  76                 LDAP_LOG( OPERATION, ERR,
  77                         "root_dse_info: SLAP_CALLOC failed", 0, 0, 0 );
  78 #else
  79                 Debug( LDAP_DEBUG_ANY,
  80                         "root_dse_info: SLAP_CALLOC failed", 0, 0, 0 );
  81 #endif
  82                 return LDAP_OTHER;
  83         }
  84
  85         e->e_attrs = NULL;
  86         e->e_name.bv_val = ch_strdup( LDAP_ROOT_DSE );
  87         e->e_name.bv_len = sizeof( LDAP_ROOT_DSE )-1;
  88         e->e_nname.bv_val = ch_strdup( LDAP_ROOT_DSE );
  89         e->e_nname.bv_len = sizeof( LDAP_ROOT_DSE )-1;
  90
  91         /* the DN is an empty string so no pretty/normalization is needed */
  92         assert( !e->e_name.bv_len );
  93         assert( !e->e_nname.bv_len );
  94
  95         e->e_private = NULL;
  96
  97         vals[0].bv_val = "top";
  98         vals[0].bv_len = sizeof("top")-1;
  99         if( attr_merge( e, ad_objectClass, vals, NULL ) )
 100         {
 101                 return LDAP_OTHER;
 102         }
 103
 104         vals[0].bv_val = "OpenLDAProotDSE";
 105         vals[0].bv_len = sizeof("OpenLDAProotDSE")-1;
 106         if( attr_merge( e, ad_objectClass, vals, NULL ) )
 107                 return LDAP_OTHER;
 108         if( attr_merge( e, ad_structuralObjectClass, vals, NULL ) )
 109                 return LDAP_OTHER;
 110
 111         for ( i = 0; i < nbackends; i++ ) {
 112                 if ( backends[i].be_flags & SLAP_BFLAG_MONITOR ) {
 113                         vals[0] = backends[i].be_suffix[0];
 114                         nvals[0] = backends[i].be_nsuffix[0];
 115                         if( attr_merge( e, ad_monitorContext, vals, nvals ) )
 116                         {
 117                                 return LDAP_OTHER;
 118                         }
 119                         continue;
 120                 }
 121                 if ( SLAP_GLUE_SUBORDINATE( &backends[i] ) ) {
 122                         continue;
 123                 }
 124                 for ( j = 0; backends[i].be_suffix[j].bv_val != NULL; j++ ) {
 125                         vals[0] = backends[i].be_suffix[j];
 126                         nvals[0] = backends[i].be_nsuffix[0];
 127                         if( attr_merge( e, ad_namingContexts, vals, nvals ) )
 128                         {
 129                                 return LDAP_OTHER;
 130                         }
 131                 }
 132         }
 133
 134         /* altServer unsupported */
 135
 136         /* supportedControl */
 137         if ( controls_root_dse_info( e ) != 0 ) {
 138                 return LDAP_OTHER;
 139         }
 140
 141         /* supportedExtension */
 142         for ( i=0; (bv = get_supported_extop(i)) != NULL; i++ ) {
 143                 vals[0] = *bv;
 144                 if( attr_merge( e, ad_supportedExtension, vals, NULL ) )
 145                 {
 146                         return LDAP_OTHER;
 147                 }
 148         }
 149
 150 #ifdef LDAP_SLAPI
 151         /* netscape supportedExtension */
 152         for ( i = 0; (bv = ns_get_supported_extop(i)) != NULL; i++ ) {
 153                 vals[0] = *bv;
 154                 if( attr_merge( e, ad_supportedExtension, vals, NULL ))
 155                 {
 156                         return LDAP_OTHER;
 157                 }
 158         }
 159 #endif /* LDAP_SLAPI */
 160
 161         /* supportedFeatures */
 162         if( attr_merge( e, ad_supportedFeatures,
 163                 supportedFeatures, NULL ) )
 164         {
 165                 return LDAP_OTHER;
 166         }
 167
 168         /* supportedLDAPVersion */
 169         for ( i=LDAP_VERSION_MIN; i<=LDAP_VERSION_MAX; i++ ) {
 170                 char buf[BUFSIZ];
 171                 if (!( global_allows & SLAP_ALLOW_BIND_V2 ) &&
 172                         ( i < LDAP_VERSION3 ) )
 173                 {
 174                         /* version 2 and lower are disallowed */
 175                         continue;
 176                 }
 177                 snprintf(buf, sizeof buf, "%d", i);
 178                 vals[0].bv_val = buf;
 179                 vals[0].bv_len = strlen( vals[0].bv_val );
 180                 if( attr_merge( e, ad_supportedLDAPVersion, vals, NULL ) )
 181                 {
 182                         return LDAP_OTHER;
 183                 }
 184         }
 185
 186         /* supportedSASLMechanism */
 187         supportedSASLMechanisms = slap_sasl_mechs( conn );
 188
 189         if( supportedSASLMechanisms != NULL ) {
 190                 for ( i=0; supportedSASLMechanisms[i] != NULL; i++ ) {
 191                         vals[0].bv_val = supportedSASLMechanisms[i];
 192                         vals[0].bv_len = strlen( vals[0].bv_val );
 193                         if( attr_merge( e, ad_supportedSASLMechanisms, vals, NULL ) )
 194                         {
 195                                 return LDAP_OTHER;
 196                         }
 197                 }
 198                 ldap_charray_free( supportedSASLMechanisms );
 199         }
 200
 201         if ( default_referral != NULL ) {
 202                 if( attr_merge( e, ad_ref, default_referral, NULL /* FIXME */ ) )
 203                 {
 204                         return LDAP_OTHER;
 205                 }
 206         }
 207
 208         if( usr_attr != NULL) {
 209                 Attribute *a;
 210                 for( a = usr_attr->e_attrs; a != NULL; a = a->a_next ) {
 211                         if( attr_merge( e, a->a_desc, a->a_vals,
 212                          (a->a_nvals == a->a_vals) ? NULL : a->a_nvals ) )
 213                         {
 214                                 return LDAP_OTHER;
 215                         }
 216                 }
 217         }
 218
 219         *entry = e;
 220         return LDAP_SUCCESS;
 221 }
 222
 223 /*
 224  * Read the entries specified in fname and merge the attributes
 225  * to the user defined rootDSE. Note thaat if we find any errors
 226  * what so ever, we will discard the entire entries, print an
 227  * error message and return.
 228  */
 229 int read_root_dse_file( const char *fname )
 230 {
 231         FILE    *fp;
 232         int rc = 0, lineno = 0, lmax = 0;
 233         char    *buf = NULL;
 234
 235         if ( (fp = fopen( fname, "r" )) == NULL ) {
 236                 Debug( LDAP_DEBUG_ANY,
 237                         "could not open rootdse attr file \"%s\" - absolute path?\n",
 238                         fname, 0, 0 );
 239                 perror( fname );
 240                 return EXIT_FAILURE;
 241         }
 242
 243         usr_attr = (Entry *) SLAP_CALLOC( 1, sizeof(Entry) );
 244         if( usr_attr == NULL ) {
 245 #ifdef NEW_LOGGING
 246                 LDAP_LOG( OPERATION, ERR,
 247                         "read_root_dse_file: SLAP_CALLOC failed", 0, 0, 0 );
 248 #else
 249                 Debug( LDAP_DEBUG_ANY,
 250                         "read_root_dse_file: SLAP_CALLOC failed", 0, 0, 0 );
 251 #endif
 252                 fclose( fp );
 253                 return LDAP_OTHER;
 254         }
 255         usr_attr->e_attrs = NULL;
 256
 257         while( ldif_read_record( fp, &lineno, &buf, &lmax ) ) {
 258                 Entry *e = str2entry( buf );
 259                 Attribute *a;
 260
 261                 if( e == NULL ) {
 262                         fprintf( stderr, "root_dse: could not parse entry (line=%d)\n",
 263                                 lineno );
 264                         rc = EXIT_FAILURE;
 265                         break;
 266                 }
 267
 268                 /* make sure the DN is the empty DN */
 269                 if( e->e_nname.bv_len ) {
 270                         fprintf( stderr,
 271                                 "root_dse: invalid rootDSE - dn=\"%s\" (line=%d)\n",
 272                                 e->e_dn, lineno );
 273                         entry_free( e );
 274                         rc = EXIT_FAILURE;
 275                         break;
 276                 }
 277
 278                 /*
 279                  * we found a valid entry, so walk thru all the attributes in the
 280                  * entry, and add each attribute type and description to the
 281                  * usr_attr entry
 282                  */
 283
 284                 for(a = e->e_attrs; a != NULL; a = a->a_next) {
 285                         if( attr_merge( usr_attr, a->a_desc, a->a_vals,
 286                         (a->a_nvals == a->a_vals) ? NULL : a->a_nvals ) )
 287                         {
 288                                 rc = LDAP_OTHER;
 289                                 break;
 290                         }
 291                 }
 292
 293                 entry_free( e );
 294                 if (rc) break;
 295         }
 296
 297         if (rc) {
 298                 entry_free( usr_attr );
 299                 usr_attr = NULL;
 300         }
 301
 302         ch_free( buf );
 303
 304         fclose( fp );
 305
 306         Debug(LDAP_DEBUG_CONFIG, "rootDSE file %s read.\n", fname, 0, 0);
 307         return rc;
 308 }