version 1.8, 1999/07/07 16:51:39
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version 1.117, 2006/08/19 03:47:05
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Line 1
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Line 1
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/* root_dse.c - Provides the ROOT DSA-Specific Entry |
/* root_dse.c - Provides the Root DSA-Specific Entry */ |
|
/* $OpenLDAP: pkg/ldap/servers/slapd/root_dse.c,v 1.116 2006/05/10 11:03:42 hyc Exp $ */ |
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/* This work is part of OpenLDAP Software <http://www.openldap.org/>. |
* |
* |
* Copyright 1999 The OpenLDAP Foundation. |
* Copyright 1999-2006 The OpenLDAP Foundation. |
* All rights reserved. |
* All rights reserved. |
* |
* |
* Redistribution and use in source and binary forms are permitted only |
* Redistribution and use in source and binary forms, with or without |
* as authorized by the OpenLDAP Public License. A copy of this |
* modification, are permitted only as authorized by the OpenLDAP |
* license is available at http://www.OpenLDAP.org/license.html or |
* Public License. |
* in file LICENSE in the top-level directory of the distribution. |
* |
|
* A copy of this license is available in the file LICENSE in the |
|
* top-level directory of the distribution or, alternatively, at |
|
* <http://www.OpenLDAP.org/license.html>. |
*/ |
*/ |
|
|
#include "portable.h" |
#include "portable.h" |
|
|
#include <stdio.h> |
#include <stdio.h> |
|
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#include "ldap_defaults.h" |
#include <ac/string.h> |
|
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#include "slap.h" |
#include "slap.h" |
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#include <ldif.h> |
|
#include "lber_pvt.h" |
|
|
void |
#ifdef LDAP_SLAPI |
root_dse_info( Connection *conn, Operation *op, char **attrs, int attrsonly ) |
#include "slapi/slapi.h" |
|
#endif |
|
|
|
static struct berval builtin_supportedFeatures[] = { |
|
BER_BVC(LDAP_FEATURE_MODIFY_INCREMENT), /* Modify/increment */ |
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BER_BVC(LDAP_FEATURE_ALL_OP_ATTRS), /* All Op Attrs (+) */ |
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BER_BVC(LDAP_FEATURE_OBJECTCLASS_ATTRS), /* OCs in Attrs List (@class) */ |
|
BER_BVC(LDAP_FEATURE_ABSOLUTE_FILTERS), /* (&) and (|) search filters */ |
|
BER_BVC(LDAP_FEATURE_LANGUAGE_TAG_OPTIONS), /* Language Tag Options */ |
|
BER_BVC(LDAP_FEATURE_LANGUAGE_RANGE_OPTIONS), /* Language Range Options */ |
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#ifdef LDAP_DEVEL |
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BER_BVC(LDAP_FEATURE_SUBORDINATE_SCOPE), /* "children" search scope */ |
|
#endif |
|
BER_BVNULL |
|
}; |
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static struct berval *supportedFeatures; |
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|
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static Entry *usr_attr = NULL; |
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|
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/* |
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* allow modules to register functions that muck with the root DSE entry |
|
*/ |
|
|
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typedef struct entry_info_t { |
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SLAP_ENTRY_INFO_FN func; |
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void *arg; |
|
struct entry_info_t *next; |
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} entry_info_t; |
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|
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static entry_info_t *extra_info; |
|
|
|
int |
|
entry_info_register( SLAP_ENTRY_INFO_FN func, void *arg ) |
{ |
{ |
char buf[BUFSIZ]; |
entry_info_t *ei = ch_calloc( 1, sizeof( entry_info_t ) ); |
Entry *e; |
|
struct berval val; |
|
struct berval *vals[2]; |
|
int i, j; |
|
|
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vals[0] = &val; |
ei->func = func; |
vals[1] = NULL; |
ei->arg = arg; |
|
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e = (Entry *) ch_calloc( 1, sizeof(Entry) ); |
ei->next = extra_info; |
|
extra_info = ei; |
|
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e->e_attrs = NULL; |
return 0; |
e->e_dn = ch_strdup( LDAP_ROOT_DSE ); |
} |
e->e_ndn = dn_normalize_case( ch_strdup( LDAP_ROOT_DSE )); |
|
e->e_private = NULL; |
|
|
|
for ( i = 0; i < nbackends; i++ ) { |
int |
for ( j = 0; backends[i].be_suffix[j] != NULL; j++ ) { |
entry_info_unregister( SLAP_ENTRY_INFO_FN func, void *arg ) |
val.bv_val = backends[i].be_suffix[j]; |
{ |
val.bv_len = strlen( val.bv_val ); |
entry_info_t **eip; |
attr_merge( e, "namingContexts", vals ); |
|
|
for ( eip = &extra_info; *eip != NULL; eip = &(*eip)->next ) { |
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if ( (*eip)->func == func && (*eip)->arg == arg ) { |
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entry_info_t *ei = *eip; |
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|
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*eip = ei->next; |
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|
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ch_free( ei ); |
|
|
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return 0; |
} |
} |
} |
} |
|
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#if defined( SLAPD_MONITOR_DN ) |
return -1; |
val.bv_val = SLAPD_MONITOR_DN; |
} |
val.bv_len = strlen( val.bv_val ); |
|
attr_merge( e, "namingContexts", vals ); |
void |
/* subschemasubentry is added by send_search_entry() */ |
entry_info_destroy( void ) |
#endif |
{ |
|
entry_info_t **eip; |
|
|
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for ( eip = &extra_info; *eip != NULL; ) { |
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entry_info_t *ei = *eip; |
|
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#if defined( SLAPD_CONFIG_DN ) |
eip = &(*eip)->next; |
val.bv_val = SLAPD_CONFIG_DN; |
|
val.bv_len = strlen( val.bv_val ); |
ch_free( ei ); |
attr_merge( e, "namingContexts", vals ); |
} |
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} |
|
|
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/* |
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* Allow modules to register supported features |
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*/ |
|
|
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static int |
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supported_feature_init( void ) |
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{ |
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int i; |
|
|
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if ( supportedFeatures != NULL ) { |
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return 0; |
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} |
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|
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for ( i = 0; !BER_BVISNULL( &builtin_supportedFeatures[ i ] ); i++ ) |
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; |
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supportedFeatures = ch_calloc( sizeof( struct berval ), i + 1 ); |
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if ( supportedFeatures == NULL ) { |
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return -1; |
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} |
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for ( i = 0; !BER_BVISNULL( &builtin_supportedFeatures[ i ] ); i++ ) { |
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ber_dupbv( &supportedFeatures[ i ], &builtin_supportedFeatures[ i ] ); |
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} |
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BER_BVZERO( &supportedFeatures[ i ] ); |
|
|
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return 0; |
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} |
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int |
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supported_feature_destroy( void ) |
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{ |
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int i; |
|
|
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if ( supportedFeatures == NULL ) { |
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return 0; |
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} |
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for ( i = 0; !BER_BVISNULL( &supportedFeatures[ i ] ); i++ ) { |
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ch_free( supportedFeatures[ i ].bv_val ); |
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} |
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ch_free( supportedFeatures ); |
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supportedFeatures = NULL; |
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return 0; |
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} |
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int |
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supported_feature_load( struct berval *f ) |
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{ |
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struct berval *tmp; |
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int i; |
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supported_feature_init(); |
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|
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for ( i = 0; !BER_BVISNULL( &supportedFeatures[ i ] ); i++ ) |
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; |
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tmp = ch_realloc( supportedFeatures, sizeof( struct berval ) * ( i + 2 ) ); |
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if ( tmp == NULL ) { |
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return -1; |
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} |
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supportedFeatures = tmp; |
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|
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ber_dupbv( &supportedFeatures[ i ], f ); |
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BER_BVZERO( &supportedFeatures[ i + 1 ] ); |
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|
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return 0; |
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} |
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int |
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root_dse_info( |
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Connection *conn, |
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Entry **entry, |
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const char **text ) |
|
{ |
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Entry *e; |
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struct berval val; |
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#ifdef LDAP_SLAPI |
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struct berval *bv; |
#endif |
#endif |
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int i, j; |
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char ** supportedSASLMechanisms; |
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BackendDB *be; |
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#if defined( SLAPD_SCHEMA_DN ) |
AttributeDescription *ad_structuralObjectClass |
val.bv_val = SLAPD_SCHEMA_DN; |
= slap_schema.si_ad_structuralObjectClass; |
val.bv_len = strlen( val.bv_val ); |
AttributeDescription *ad_objectClass |
attr_merge( e, "namingContexts", vals ); |
= slap_schema.si_ad_objectClass; |
|
AttributeDescription *ad_namingContexts |
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= slap_schema.si_ad_namingContexts; |
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#ifdef LDAP_SLAPI |
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AttributeDescription *ad_supportedExtension |
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= slap_schema.si_ad_supportedExtension; |
#endif |
#endif |
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AttributeDescription *ad_supportedLDAPVersion |
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= slap_schema.si_ad_supportedLDAPVersion; |
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AttributeDescription *ad_supportedSASLMechanisms |
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= slap_schema.si_ad_supportedSASLMechanisms; |
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AttributeDescription *ad_supportedFeatures |
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= slap_schema.si_ad_supportedFeatures; |
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AttributeDescription *ad_monitorContext |
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= slap_schema.si_ad_monitorContext; |
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AttributeDescription *ad_configContext |
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= slap_schema.si_ad_configContext; |
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AttributeDescription *ad_ref |
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= slap_schema.si_ad_ref; |
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|
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e = (Entry *) SLAP_CALLOC( 1, sizeof(Entry) ); |
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if( e == NULL ) { |
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Debug( LDAP_DEBUG_ANY, |
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"root_dse_info: SLAP_CALLOC failed", 0, 0, 0 ); |
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return LDAP_OTHER; |
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} |
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e->e_attrs = NULL; |
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e->e_name.bv_val = ch_strdup( LDAP_ROOT_DSE ); |
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e->e_name.bv_len = sizeof( LDAP_ROOT_DSE )-1; |
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e->e_nname.bv_val = ch_strdup( LDAP_ROOT_DSE ); |
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e->e_nname.bv_len = sizeof( LDAP_ROOT_DSE )-1; |
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|
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/* the DN is an empty string so no pretty/normalization is needed */ |
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assert( !e->e_name.bv_len ); |
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assert( !e->e_nname.bv_len ); |
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e->e_private = NULL; |
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/* FIXME: is this really needed? */ |
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BER_BVSTR( &val, "top" ); |
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if( attr_merge_one( e, ad_objectClass, &val, NULL ) ) { |
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fail: |
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entry_free( e ); |
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return LDAP_OTHER; |
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} |
|
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BER_BVSTR( &val, "OpenLDAProotDSE" ); |
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if( attr_merge_one( e, ad_objectClass, &val, NULL ) ) { |
|
goto fail; |
|
} |
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if( attr_merge_one( e, ad_structuralObjectClass, &val, NULL ) ) { |
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goto fail; |
|
} |
|
|
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LDAP_STAILQ_FOREACH( be, &backendDB, be_next ) { |
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if ( be->be_suffix == NULL |
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|| be->be_nsuffix == NULL ) { |
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/* no suffix! */ |
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continue; |
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} |
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if ( SLAP_MONITOR( be )) { |
|
if( attr_merge_one( e, ad_monitorContext, |
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&be->be_suffix[0], |
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&be->be_nsuffix[0] ) ) |
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{ |
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goto fail; |
|
} |
|
continue; |
|
} |
|
if ( SLAP_CONFIG( be )) { |
|
if( attr_merge_one( e, ad_configContext, |
|
&be->be_suffix[0], |
|
& be->be_nsuffix[0] ) ) |
|
{ |
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goto fail; |
|
} |
|
continue; |
|
} |
|
if ( SLAP_GLUE_SUBORDINATE( be ) && !SLAP_GLUE_ADVERTISE( be ) ) { |
|
continue; |
|
} |
|
for ( j = 0; be->be_suffix[j].bv_val != NULL; j++ ) { |
|
if( attr_merge_one( e, ad_namingContexts, |
|
&be->be_suffix[j], |
|
&be->be_nsuffix[0] ) ) |
|
{ |
|
goto fail; |
|
} |
|
} |
|
} |
|
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/* altServer unsupported */ |
/* altServer unsupported */ |
|
|
/* supportedControl */ |
/* supportedControl */ |
for ( i=0; supportedControls[i] != NULL; i++ ) { |
if ( controls_root_dse_info( e ) != 0 ) { |
val.bv_val = supportedControls[i]; |
goto fail; |
val.bv_len = strlen( val.bv_val ); |
|
attr_merge( e, "supportedControl", vals ); |
|
} |
} |
|
|
/* supportedExtension */ |
/* supportedExtension */ |
for ( i=0; supportedExtensions[i] != NULL; i++ ) { |
if ( exop_root_dse_info( e ) != 0 ) { |
val.bv_val = supportedExtensions[i]; |
goto fail; |
val.bv_len = strlen( val.bv_val ); |
} |
attr_merge( e, "supportedExtension", vals ); |
|
|
#ifdef LDAP_SLAPI |
|
/* netscape supportedExtension */ |
|
for ( i = 0; (bv = slapi_int_get_supported_extop(i)) != NULL; i++ ) { |
|
if( attr_merge_one( e, ad_supportedExtension, bv, NULL ) ) { |
|
goto fail; |
|
} |
|
} |
|
#endif /* LDAP_SLAPI */ |
|
|
|
/* supportedFeatures */ |
|
if ( supportedFeatures == NULL ) { |
|
supported_feature_init(); |
|
} |
|
|
|
if( attr_merge( e, ad_supportedFeatures, supportedFeatures, NULL ) ) { |
|
goto fail; |
} |
} |
|
|
/* supportedLDAPVersion */ |
/* supportedLDAPVersion */ |
for ( i=LDAP_VERSION_MIN; i<=LDAP_VERSION_MAX; i++ ) { |
/* don't publish version 2 as we don't really support it |
sprintf(buf,"%d",i); |
* (even when configured to accept version 2 Bind requests) |
|
* and the value would never be used by true LDAPv2 (or LDAPv3) |
|
* clients. |
|
*/ |
|
for ( i=LDAP_VERSION3; i<=LDAP_VERSION_MAX; i++ ) { |
|
char buf[BUFSIZ]; |
|
snprintf(buf, sizeof buf, "%d", i); |
val.bv_val = buf; |
val.bv_val = buf; |
val.bv_len = strlen( val.bv_val ); |
val.bv_len = strlen( val.bv_val ); |
attr_merge( e, "supportedLDAPVersion", vals ); |
if( attr_merge_one( e, ad_supportedLDAPVersion, &val, NULL ) ) { |
|
goto fail; |
|
} |
} |
} |
|
|
/* supportedSASLMechanism */ |
/* supportedSASLMechanism */ |
for ( i=0; supportedSASLMechanisms[i] != NULL; i++ ) { |
supportedSASLMechanisms = slap_sasl_mechs( conn ); |
val.bv_val = supportedSASLMechanisms[i]; |
|
val.bv_len = strlen( val.bv_val ); |
if( supportedSASLMechanisms != NULL ) { |
attr_merge( e, "supportedSASLMechanism", vals ); |
for ( i=0; supportedSASLMechanisms[i] != NULL; i++ ) { |
|
val.bv_val = supportedSASLMechanisms[i]; |
|
val.bv_len = strlen( val.bv_val ); |
|
if( attr_merge_one( e, ad_supportedSASLMechanisms, &val, NULL ) ) { |
|
ldap_charray_free( supportedSASLMechanisms ); |
|
goto fail; |
|
} |
|
} |
|
ldap_charray_free( supportedSASLMechanisms ); |
|
} |
|
|
|
if ( default_referral != NULL ) { |
|
if( attr_merge( e, ad_ref, default_referral, NULL /* FIXME */ ) ) { |
|
goto fail; |
|
} |
|
} |
|
|
|
if( usr_attr != NULL) { |
|
Attribute *a; |
|
for( a = usr_attr->e_attrs; a != NULL; a = a->a_next ) { |
|
if( attr_merge( e, a->a_desc, a->a_vals, |
|
(a->a_nvals == a->a_vals) ? NULL : a->a_nvals ) ) |
|
{ |
|
goto fail; |
|
} |
|
} |
|
} |
|
|
|
if ( extra_info ) { |
|
entry_info_t *ei = extra_info; |
|
|
|
for ( ; ei; ei = ei->next ) { |
|
ei->func( ei->arg, e ); |
|
} |
|
} |
|
|
|
*entry = e; |
|
return LDAP_SUCCESS; |
|
} |
|
|
|
/* |
|
* Read the entries specified in fname and merge the attributes |
|
* to the user defined rootDSE. Note thaat if we find any errors |
|
* what so ever, we will discard the entire entries, print an |
|
* error message and return. |
|
*/ |
|
int read_root_dse_file( const char *fname ) |
|
{ |
|
struct LDIFFP *fp; |
|
int rc = 0, lineno = 0, lmax = 0; |
|
char *buf = NULL; |
|
|
|
if ( (fp = ldif_open( fname, "r" )) == NULL ) { |
|
Debug( LDAP_DEBUG_ANY, |
|
"could not open rootdse attr file \"%s\" - absolute path?\n", |
|
fname, 0, 0 ); |
|
perror( fname ); |
|
return EXIT_FAILURE; |
|
} |
|
|
|
usr_attr = (Entry *) SLAP_CALLOC( 1, sizeof(Entry) ); |
|
if( usr_attr == NULL ) { |
|
Debug( LDAP_DEBUG_ANY, |
|
"read_root_dse_file: SLAP_CALLOC failed", 0, 0, 0 ); |
|
ldif_close( fp ); |
|
return LDAP_OTHER; |
} |
} |
|
usr_attr->e_attrs = NULL; |
|
|
|
while( ldif_read_record( fp, &lineno, &buf, &lmax ) ) { |
|
Entry *e = str2entry( buf ); |
|
Attribute *a; |
|
|
|
if( e == NULL ) { |
|
fprintf( stderr, "root_dse: could not parse entry (line=%d)\n", |
|
lineno ); |
|
rc = EXIT_FAILURE; |
|
break; |
|
} |
|
|
|
/* make sure the DN is the empty DN */ |
|
if( e->e_nname.bv_len ) { |
|
fprintf( stderr, |
|
"root_dse: invalid rootDSE - dn=\"%s\" (line=%d)\n", |
|
e->e_dn, lineno ); |
|
entry_free( e ); |
|
rc = EXIT_FAILURE; |
|
break; |
|
} |
|
|
|
/* |
|
* we found a valid entry, so walk thru all the attributes in the |
|
* entry, and add each attribute type and description to the |
|
* usr_attr entry |
|
*/ |
|
|
|
for(a = e->e_attrs; a != NULL; a = a->a_next) { |
|
if( attr_merge( usr_attr, a->a_desc, a->a_vals, |
|
(a->a_nvals == a->a_vals) ? NULL : a->a_nvals ) ) |
|
{ |
|
rc = LDAP_OTHER; |
|
break; |
|
} |
|
} |
|
|
|
entry_free( e ); |
|
if (rc) break; |
|
} |
|
|
|
if (rc) { |
|
entry_free( usr_attr ); |
|
usr_attr = NULL; |
|
} |
|
|
|
ch_free( buf ); |
|
|
|
ldif_close( fp ); |
|
|
|
Debug(LDAP_DEBUG_CONFIG, "rootDSE file %s read.\n", fname, 0, 0); |
|
return rc; |
|
} |
|
|
|
int |
|
slap_discover_feature( |
|
const char *uri, |
|
int version, |
|
const char *attr, |
|
const char *val ) |
|
{ |
|
LDAP *ld; |
|
LDAPMessage *res = NULL, *entry; |
|
int rc, i; |
|
struct berval cred = BER_BVC( "" ), |
|
bv_val, |
|
**values = NULL; |
|
char *attrs[ 2 ] = { NULL, NULL }; |
|
|
|
ber_str2bv( val, 0, 0, &bv_val ); |
|
attrs[ 0 ] = (char *) attr; |
|
|
|
rc = ldap_initialize( &ld, uri ); |
|
if ( rc != LDAP_SUCCESS ) { |
|
return rc; |
|
} |
|
|
|
rc = ldap_set_option( ld, LDAP_OPT_PROTOCOL_VERSION, |
|
(const void *)&version ); |
|
if ( rc != LDAP_SUCCESS ) { |
|
goto done; |
|
} |
|
|
|
rc = ldap_sasl_bind_s( ld, "", LDAP_SASL_SIMPLE, |
|
&cred, NULL, NULL, NULL ); |
|
if ( rc != LDAP_SUCCESS ) { |
|
goto done; |
|
} |
|
|
|
rc = ldap_search_ext_s( ld, "", LDAP_SCOPE_BASE, "(objectClass=*)", |
|
attrs, 0, NULL, NULL, NULL, 0, &res ); |
|
if ( rc != LDAP_SUCCESS ) { |
|
goto done; |
|
} |
|
|
|
entry = ldap_first_entry( ld, res ); |
|
if ( entry == NULL ) { |
|
goto done; |
|
} |
|
|
|
values = ldap_get_values_len( ld, entry, attrs[ 0 ] ); |
|
if ( values == NULL ) { |
|
rc = LDAP_NO_SUCH_ATTRIBUTE; |
|
goto done; |
|
} |
|
|
|
for ( i = 0; values[ i ] != NULL; i++ ) { |
|
if ( bvmatch( &bv_val, values[ i ] ) ) { |
|
rc = LDAP_COMPARE_TRUE; |
|
goto done; |
|
} |
|
} |
|
|
|
rc = LDAP_COMPARE_FALSE; |
|
|
|
done:; |
|
if ( values != NULL ) { |
|
ldap_value_free_len( values ); |
|
} |
|
|
|
if ( res != NULL ) { |
|
ldap_msgfree( res ); |
|
} |
|
|
send_search_entry( &backends[0], conn, op, e, attrs, attrsonly, 1 ); |
ldap_unbind_ext( ld, NULL, NULL ); |
send_ldap_search_result( conn, op, LDAP_SUCCESS, NULL, NULL, 1 ); |
|
|
|
entry_free( e ); |
return rc; |
} |
} |
|
|