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