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