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 #include "slapi_common.h"
  15
  16 #include <stdio.h>
  17 #include <ac/string.h>
  18
  19 #include "slap.h"
  20 #include "slapi.h"
  21 #include <ldif.h>
  22 #include "lber_pvt.h"
  23 #include "slapi/slapi_utils.h"
  24
  25 struct berval *ns_get_supported_extop (int);
  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         int             i, j;
  47         char ** supportedSASLMechanisms;
  48
  49         AttributeDescription *ad_structuralObjectClass
  50                 = slap_schema.si_ad_structuralObjectClass;
  51         AttributeDescription *ad_objectClass
  52                 = slap_schema.si_ad_objectClass;
  53         AttributeDescription *ad_namingContexts
  54                 = slap_schema.si_ad_namingContexts;
  55         AttributeDescription *ad_supportedControl
  56                 = slap_schema.si_ad_supportedControl;
  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
  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 ) )
 100                 return LDAP_OTHER;
 101
 102         vals[0].bv_val = "OpenLDAProotDSE";
 103         vals[0].bv_len = sizeof("OpenLDAProotDSE")-1;
 104         if( attr_merge( e, ad_objectClass, vals ) )
 105                 return LDAP_OTHER;
 106         if( attr_merge( e, ad_structuralObjectClass, vals ) )
 107                 return LDAP_OTHER;
 108
 109         for ( i = 0; i < nbackends; i++ ) {
 110                 if ( backends[i].be_flags & SLAP_BFLAG_MONITOR ) {
 111                         vals[0] = backends[i].be_suffix[0];
 112                         if( attr_merge( e, ad_monitorContext, vals ) )
 113                                 return LDAP_OTHER;
 114                         continue;
 115                 }
 116                 if ( backends[i].be_flags & SLAP_BFLAG_GLUE_SUBORDINATE ) {
 117                         continue;
 118                 }
 119                 for ( j = 0; backends[i].be_suffix[j].bv_val != NULL; j++ ) {
 120                         vals[0] = backends[i].be_suffix[j];
 121                         if( attr_merge( e, ad_namingContexts, vals ) )
 122                                 return LDAP_OTHER;
 123                 }
 124         }
 125
 126         /* altServer unsupported */
 127
 128         /* supportedControl */
 129         for ( i=0; (vals[0].bv_val = get_supported_ctrl(i)) != NULL; i++ ) {
 130                 vals[0].bv_len = strlen( vals[0].bv_val );
 131                 if( attr_merge( e, ad_supportedControl, vals ) )
 132                         return LDAP_OTHER;
 133         }
 134
 135         /* supportedExtension */
 136         for ( i=0; (bv = get_supported_extop(i)) != NULL; i++ ) {
 137                 vals[0] = *bv;
 138                 if( attr_merge( e, ad_supportedExtension, vals ) )
 139                         return LDAP_OTHER;
 140         }
 141
 142 #if defined( LDAP_SLAPI )
 143         /* netscape supportedExtension */
 144         for ( i = 0; (bv = ns_get_supported_extop(i)) != NULL; i++ ) {
 145                 vals[0] = *bv;
 146                 attr_merge( e, ad_supportedExtension, vals );
 147         }
 148 #endif /* defined( LDAP_SLAPI ) */
 149
 150         /* supportedFeatures */
 151         if( attr_merge( e, ad_supportedFeatures, supportedFeatures ) )
 152                 return LDAP_OTHER;
 153
 154         /* supportedLDAPVersion */
 155         for ( i=LDAP_VERSION_MIN; i<=LDAP_VERSION_MAX; i++ ) {
 156                 char buf[BUFSIZ];
 157                 if (!( global_allows & SLAP_ALLOW_BIND_V2 ) &&
 158                         ( i < LDAP_VERSION3 ) )
 159                 {
 160                         /* version 2 and lower are disallowed */
 161                         continue;
 162                 }
 163                 snprintf(buf, sizeof buf, "%d", i);
 164                 vals[0].bv_val = buf;
 165                 vals[0].bv_len = strlen( vals[0].bv_val );
 166                 if( attr_merge( e, ad_supportedLDAPVersion, vals ) )
 167                         return LDAP_OTHER;
 168         }
 169
 170         /* supportedSASLMechanism */
 171         supportedSASLMechanisms = slap_sasl_mechs( conn );
 172
 173         if( supportedSASLMechanisms != NULL ) {
 174                 for ( i=0; supportedSASLMechanisms[i] != NULL; i++ ) {
 175                         vals[0].bv_val = supportedSASLMechanisms[i];
 176                         vals[0].bv_len = strlen( vals[0].bv_val );
 177                         if( attr_merge( e, ad_supportedSASLMechanisms, vals ) )
 178                                 return LDAP_OTHER;
 179                 }
 180                 ldap_charray_free( supportedSASLMechanisms );
 181         }
 182
 183         if ( default_referral != NULL ) {
 184                 if( attr_merge( e, ad_ref, default_referral ) )
 185                         return LDAP_OTHER;
 186         }
 187
 188         if( usr_attr != NULL) {
 189                 Attribute *a;
 190                 for( a = usr_attr->e_attrs; a != NULL; a = a->a_next ) {
 191                         if( attr_merge( e, a->a_desc, a->a_vals ) )
 192                                 return LDAP_OTHER;
 193                 }
 194         }
 195
 196         *entry = e;
 197         return LDAP_SUCCESS;
 198 }
 199
 200 /*
 201  * Read the entries specified in fname and merge the attributes
 202  * to the user defined rootDSE. Note thaat if we find any errors
 203  * what so ever, we will discard the entire entries, print an
 204  * error message and return.
 205  */
 206 int read_root_dse_file( const char *fname )
 207 {
 208         FILE    *fp;
 209         int rc = 0, lineno = 0, lmax = 0;
 210         char    *buf = NULL;
 211
 212         if ( (fp = fopen( fname, "r" )) == NULL ) {
 213                 Debug( LDAP_DEBUG_ANY,
 214                         "could not open rootdse attr file \"%s\" - absolute path?\n",
 215                         fname, 0, 0 );
 216                 perror( fname );
 217                 return EXIT_FAILURE;
 218         }
 219
 220         usr_attr = (Entry *) SLAP_CALLOC( 1, sizeof(Entry) );
 221         if( usr_attr == NULL ) {
 222 #ifdef NEW_LOGGING
 223                 LDAP_LOG( OPERATION, ERR,
 224                         "read_root_dse_file: SLAP_CALLOC failed", 0, 0, 0 );
 225 #else
 226                 Debug( LDAP_DEBUG_ANY,
 227                         "read_root_dse_file: SLAP_CALLOC failed", 0, 0, 0 );
 228 #endif
 229                 return LDAP_OTHER;
 230         }
 231         usr_attr->e_attrs = NULL;
 232
 233         while( ldif_read_record( fp, &lineno, &buf, &lmax ) ) {
 234                 Entry *e = str2entry( buf );
 235                 Attribute *a;
 236
 237                 if( e == NULL ) {
 238                         fprintf( stderr, "root_dse: could not parse entry (line=%d)\n",
 239                                 lineno );
 240                         entry_free( usr_attr );
 241                         usr_attr = NULL;
 242                         return EXIT_FAILURE;
 243                 }
 244
 245                 /* make sure the DN is the empty DN */
 246                 if( e->e_nname.bv_len ) {
 247                         fprintf( stderr,
 248                                 "root_dse: invalid rootDSE - dn=\"%s\" (line=%d)\n",
 249                                 e->e_dn, lineno );
 250                         entry_free( e );
 251                         entry_free( usr_attr );
 252                         usr_attr = NULL;
 253                         return EXIT_FAILURE;
 254                 }
 255
 256                 /*
 257                  * we found a valid entry, so walk thru all the attributes in the
 258                  * entry, and add each attribute type and description to the
 259                  * usr_attr entry
 260                  */
 261
 262                 for(a = e->e_attrs; a != NULL; a = a->a_next) {
 263                         if( attr_merge( usr_attr, a->a_desc, a->a_vals ) )
 264                                 return LDAP_OTHER;
 265                 }
 266
 267                 entry_free( e );
 268         }
 269
 270         ch_free( buf );
 271
 272         Debug(LDAP_DEBUG_CONFIG, "rootDSE file %s read.\n", fname, 0, 0);
 273         return rc;
 274 }