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 #ifdef SLAP_NVALUES
  47         struct berval nvals[2];
  48 #endif
  49         int             i, j;
  50         char ** supportedSASLMechanisms;
  51
  52         AttributeDescription *ad_structuralObjectClass
  53                 = slap_schema.si_ad_structuralObjectClass;
  54         AttributeDescription *ad_objectClass
  55                 = slap_schema.si_ad_objectClass;
  56         AttributeDescription *ad_namingContexts
  57                 = slap_schema.si_ad_namingContexts;
  58         AttributeDescription *ad_supportedExtension
  59                 = slap_schema.si_ad_supportedExtension;
  60         AttributeDescription *ad_supportedLDAPVersion
  61                 = slap_schema.si_ad_supportedLDAPVersion;
  62         AttributeDescription *ad_supportedSASLMechanisms
  63                 = slap_schema.si_ad_supportedSASLMechanisms;
  64         AttributeDescription *ad_supportedFeatures
  65                 = slap_schema.si_ad_supportedFeatures;
  66         AttributeDescription *ad_monitorContext
  67                 = slap_schema.si_ad_monitorContext;
  68         AttributeDescription *ad_ref
  69                 = slap_schema.si_ad_ref;
  70
  71         vals[1].bv_val = NULL;
  72 #ifdef SLAP_NVALUES
  73         nvals[1].bv_val = NULL;
  74 #endif
  75
  76         e = (Entry *) SLAP_CALLOC( 1, sizeof(Entry) );
  77
  78         if( e == NULL ) {
  79 #ifdef NEW_LOGGING
  80                 LDAP_LOG( OPERATION, ERR,
  81                         "root_dse_info: SLAP_CALLOC failed", 0, 0, 0 );
  82 #else
  83                 Debug( LDAP_DEBUG_ANY,
  84                         "root_dse_info: SLAP_CALLOC failed", 0, 0, 0 );
  85 #endif
  86                 return LDAP_OTHER;
  87         }
  88
  89         e->e_attrs = NULL;
  90         e->e_name.bv_val = ch_strdup( LDAP_ROOT_DSE );
  91         e->e_name.bv_len = sizeof( LDAP_ROOT_DSE )-1;
  92         e->e_nname.bv_val = ch_strdup( LDAP_ROOT_DSE );
  93         e->e_nname.bv_len = sizeof( LDAP_ROOT_DSE )-1;
  94
  95         /* the DN is an empty string so no pretty/normalization is needed */
  96         assert( !e->e_name.bv_len );
  97         assert( !e->e_nname.bv_len );
  98
  99         e->e_private = NULL;
 100
 101         vals[0].bv_val = "top";
 102         vals[0].bv_len = sizeof("top")-1;
 103 #ifdef SLAP_NVALUES
 104         if( attr_merge( e, ad_objectClass, vals, vals ) )
 105 #else
 106         if( attr_merge( e, ad_objectClass, vals ) )
 107 #endif
 108         {
 109                 return LDAP_OTHER;
 110         }
 111
 112         vals[0].bv_val = "OpenLDAProotDSE";
 113         vals[0].bv_len = sizeof("OpenLDAProotDSE")-1;
 114 #ifdef SLAP_NVALUES
 115         if( attr_merge( e, ad_objectClass, vals, vals ) )
 116 #else
 117         if( attr_merge( e, ad_objectClass, vals ) )
 118 #endif
 119                 return LDAP_OTHER;
 120 #ifdef SLAP_NVALUES
 121         if( attr_merge( e, ad_structuralObjectClass, vals, vals ) )
 122 #else
 123         if( attr_merge( e, ad_structuralObjectClass, vals ) )
 124 #endif
 125                 return LDAP_OTHER;
 126
 127         for ( i = 0; i < nbackends; i++ ) {
 128                 if ( backends[i].be_flags & SLAP_BFLAG_MONITOR ) {
 129                         vals[0] = backends[i].be_suffix[0];
 130 #ifdef SLAP_NVALUES
 131                         if( attr_merge( e, ad_monitorContext, vals, nvals ) )
 132 #else
 133                         if( attr_merge( e, ad_monitorContext, vals ) )
 134 #endif
 135                         {
 136                                 return LDAP_OTHER;
 137                         }
 138                         continue;
 139                 }
 140                 if ( SLAP_GLUE_SUBORDINATE( &backends[i] ) ) {
 141                         continue;
 142                 }
 143                 for ( j = 0; backends[i].be_suffix[j].bv_val != NULL; j++ ) {
 144                         vals[0] = backends[i].be_suffix[j];
 145 #ifdef SLAP_NVALUES
 146                         if( attr_merge( e, ad_namingContexts, vals, NULL ) )
 147 #else
 148                         if( attr_merge( e, ad_namingContexts, vals ) )
 149 #endif
 150                         {
 151                                 return LDAP_OTHER;
 152                         }
 153                 }
 154         }
 155
 156         /* altServer unsupported */
 157
 158         /* supportedControl */
 159         if ( controls_root_dse_info( e ) != 0 ) {
 160                 return LDAP_OTHER;
 161         }
 162
 163         /* supportedExtension */
 164         for ( i=0; (bv = get_supported_extop(i)) != NULL; i++ ) {
 165                 vals[0] = *bv;
 166 #ifdef SLAP_NVALUES
 167                 if( attr_merge( e, ad_supportedExtension, vals, NULL ) )
 168 #else
 169                 if( attr_merge( e, ad_supportedExtension, vals ) )
 170 #endif
 171                 {
 172                         return LDAP_OTHER;
 173                 }
 174         }
 175
 176 #ifdef LDAP_SLAPI
 177         /* netscape supportedExtension */
 178         for ( i = 0; (bv = ns_get_supported_extop(i)) != NULL; i++ ) {
 179                 vals[0] = *bv;
 180 #ifdef SLAP_NVALUES
 181                 if( attr_merge( e, ad_supportedExtension, vals, NULL ))
 182 #else
 183                 if( attr_merge( e, ad_supportedExtension, vals ))
 184 #endif
 185                 {
 186                         return LDAP_OTHER;
 187                 }
 188         }
 189 #endif /* LDAP_SLAPI */
 190
 191         /* supportedFeatures */
 192 #ifdef SLAP_NVALUES
 193         if( attr_merge( e, ad_supportedFeatures,
 194                 supportedFeatures, supportedFeatures ) )
 195 #else
 196         if( attr_merge( e, ad_supportedFeatures, supportedFeatures ) )
 197 #endif
 198         {
 199                 return LDAP_OTHER;
 200         }
 201
 202         /* supportedLDAPVersion */
 203         for ( i=LDAP_VERSION_MIN; i<=LDAP_VERSION_MAX; i++ ) {
 204                 char buf[BUFSIZ];
 205                 if (!( global_allows & SLAP_ALLOW_BIND_V2 ) &&
 206                         ( i < LDAP_VERSION3 ) )
 207                 {
 208                         /* version 2 and lower are disallowed */
 209                         continue;
 210                 }
 211                 snprintf(buf, sizeof buf, "%d", i);
 212                 vals[0].bv_val = buf;
 213                 vals[0].bv_len = strlen( vals[0].bv_val );
 214 #ifdef SLAP_NVALUES
 215                 if( attr_merge( e, ad_supportedLDAPVersion, vals, NULL ) )
 216 #else
 217                 if( attr_merge( e, ad_supportedLDAPVersion, vals ) )
 218 #endif
 219                 {
 220                         return LDAP_OTHER;
 221                 }
 222         }
 223
 224         /* supportedSASLMechanism */
 225         supportedSASLMechanisms = slap_sasl_mechs( conn );
 226
 227         if( supportedSASLMechanisms != NULL ) {
 228                 for ( i=0; supportedSASLMechanisms[i] != NULL; i++ ) {
 229                         vals[0].bv_val = supportedSASLMechanisms[i];
 230                         vals[0].bv_len = strlen( vals[0].bv_val );
 231 #ifdef SLAP_NVALUES
 232                         if( attr_merge( e, ad_supportedSASLMechanisms, vals, NULL ) )
 233 #else
 234                         if( attr_merge( e, ad_supportedSASLMechanisms, vals ) )
 235 #endif
 236                         {
 237                                 return LDAP_OTHER;
 238                         }
 239                 }
 240                 ldap_charray_free( supportedSASLMechanisms );
 241         }
 242
 243         if ( default_referral != NULL ) {
 244 #ifdef SLAP_NVALUES
 245                 if( attr_merge( e, ad_ref, default_referral, NULL /* FIXME */ ) )
 246 #else
 247                 if( attr_merge( e, ad_ref, default_referral ) )
 248 #endif
 249                 {
 250                         return LDAP_OTHER;
 251                 }
 252         }
 253
 254         if( usr_attr != NULL) {
 255                 Attribute *a;
 256                 for( a = usr_attr->e_attrs; a != NULL; a = a->a_next ) {
 257 #ifdef SLAP_NVALUES
 258                         if( attr_merge( e, a->a_desc, a->a_vals, a->a_nvals ) )
 259 #else
 260                         if( attr_merge( e, a->a_desc, a->a_vals ) )
 261 #endif
 262                         {
 263                                 return LDAP_OTHER;
 264                         }
 265                 }
 266         }
 267
 268         *entry = e;
 269         return LDAP_SUCCESS;
 270 }
 271
 272 /*
 273  * Read the entries specified in fname and merge the attributes
 274  * to the user defined rootDSE. Note thaat if we find any errors
 275  * what so ever, we will discard the entire entries, print an
 276  * error message and return.
 277  */
 278 int read_root_dse_file( const char *fname )
 279 {
 280         FILE    *fp;
 281         int rc = 0, lineno = 0, lmax = 0;
 282         char    *buf = NULL;
 283
 284         if ( (fp = fopen( fname, "r" )) == NULL ) {
 285                 Debug( LDAP_DEBUG_ANY,
 286                         "could not open rootdse attr file \"%s\" - absolute path?\n",
 287                         fname, 0, 0 );
 288                 perror( fname );
 289                 return EXIT_FAILURE;
 290         }
 291
 292         usr_attr = (Entry *) SLAP_CALLOC( 1, sizeof(Entry) );
 293         if( usr_attr == NULL ) {
 294 #ifdef NEW_LOGGING
 295                 LDAP_LOG( OPERATION, ERR,
 296                         "read_root_dse_file: SLAP_CALLOC failed", 0, 0, 0 );
 297 #else
 298                 Debug( LDAP_DEBUG_ANY,
 299                         "read_root_dse_file: SLAP_CALLOC failed", 0, 0, 0 );
 300 #endif
 301                 fclose( fp );
 302                 return LDAP_OTHER;
 303         }
 304         usr_attr->e_attrs = NULL;
 305
 306         while( ldif_read_record( fp, &lineno, &buf, &lmax ) ) {
 307                 Entry *e = str2entry( buf );
 308                 Attribute *a;
 309
 310                 if( e == NULL ) {
 311                         fprintf( stderr, "root_dse: could not parse entry (line=%d)\n",
 312                                 lineno );
 313                         rc = EXIT_FAILURE;
 314                         break;
 315                 }
 316
 317                 /* make sure the DN is the empty DN */
 318                 if( e->e_nname.bv_len ) {
 319                         fprintf( stderr,
 320                                 "root_dse: invalid rootDSE - dn=\"%s\" (line=%d)\n",
 321                                 e->e_dn, lineno );
 322                         entry_free( e );
 323                         rc = EXIT_FAILURE;
 324                         break;
 325                 }
 326
 327                 /*
 328                  * we found a valid entry, so walk thru all the attributes in the
 329                  * entry, and add each attribute type and description to the
 330                  * usr_attr entry
 331                  */
 332
 333                 for(a = e->e_attrs; a != NULL; a = a->a_next) {
 334 #ifdef SLAP_NVALUES
 335                         if( attr_merge( usr_attr, a->a_desc, a->a_vals, a->a_nvals ) )
 336 #else
 337                         if( attr_merge( usr_attr, a->a_desc, a->a_vals ) )
 338 #endif
 339                         {
 340                                 rc = LDAP_OTHER;
 341                                 break;
 342                         }
 343                 }
 344
 345                 entry_free( e );
 346                 if (rc) break;
 347         }
 348
 349         if (rc) {
 350                 entry_free( usr_attr );
 351                 usr_attr = NULL;
 352         }
 353
 354         ch_free( buf );
 355
 356         fclose( fp );
 357
 358         Debug(LDAP_DEBUG_CONFIG, "rootDSE file %s read.\n", fname, 0, 0);
 359         return rc;
 360 }