--- servers/slapd/root_dse.c 2002/01/10 21:34:11 1.58 +++ servers/slapd/root_dse.c 2006/08/19 03:47:05 1.117 @@ -1,43 +1,194 @@ -/* $OpenLDAP: pkg/ldap/servers/slapd/root_dse.c,v 1.57 2002/01/09 05:29:54 kurt Exp $ */ -/* 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 $ */ +/* This work is part of OpenLDAP Software . * - * Copyright 1999-2002 The OpenLDAP Foundation. + * Copyright 1999-2006 The OpenLDAP Foundation. * All rights reserved. * - * Redistribution and use in source and binary forms are permitted only - * as authorized by the OpenLDAP Public License. A copy of this - * license is available at http://www.OpenLDAP.org/license.html or - * in file LICENSE in the top-level directory of the distribution. + * Redistribution and use in source and binary forms, with or without + * modification, are permitted only as authorized by the OpenLDAP + * Public License. + * + * A copy of this license is available in the file LICENSE in the + * top-level directory of the distribution or, alternatively, at + * . */ #include "portable.h" #include + #include #include "slap.h" #include +#include "lber_pvt.h" -static char *supportedFeatures[] = { - "1.3.6.1.4.1.4203.1.5.1", /* all Operational Attributes ("+") */ - "1.3.6.1.4.1.4203.1.5.2", /* OCs in Attributes List */ - "1.3.6.1.4.1.4203.1.5.3", /* (&) and (|) search filters */ - NULL +#ifdef LDAP_SLAPI +#include "slapi/slapi.h" +#endif + +static struct berval builtin_supportedFeatures[] = { + BER_BVC(LDAP_FEATURE_MODIFY_INCREMENT), /* Modify/increment */ + BER_BVC(LDAP_FEATURE_ALL_OP_ATTRS), /* All Op Attrs (+) */ + 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 */ +#ifdef LDAP_DEVEL + BER_BVC(LDAP_FEATURE_SUBORDINATE_SCOPE), /* "children" search scope */ +#endif + BER_BVNULL }; +static struct berval *supportedFeatures; static Entry *usr_attr = NULL; +/* + * allow modules to register functions that muck with the root DSE entry + */ + +typedef struct entry_info_t { + SLAP_ENTRY_INFO_FN func; + void *arg; + struct entry_info_t *next; +} entry_info_t; + +static entry_info_t *extra_info; + +int +entry_info_register( SLAP_ENTRY_INFO_FN func, void *arg ) +{ + entry_info_t *ei = ch_calloc( 1, sizeof( entry_info_t ) ); + + ei->func = func; + ei->arg = arg; + + ei->next = extra_info; + extra_info = ei; + + return 0; +} + +int +entry_info_unregister( SLAP_ENTRY_INFO_FN func, void *arg ) +{ + entry_info_t **eip; + + for ( eip = &extra_info; *eip != NULL; eip = &(*eip)->next ) { + if ( (*eip)->func == func && (*eip)->arg == arg ) { + entry_info_t *ei = *eip; + + *eip = ei->next; + + ch_free( ei ); + + return 0; + } + } + + return -1; +} + +void +entry_info_destroy( void ) +{ + entry_info_t **eip; + + for ( eip = &extra_info; *eip != NULL; ) { + entry_info_t *ei = *eip; + + eip = &(*eip)->next; + + ch_free( ei ); + } +} + +/* + * Allow modules to register supported features + */ + +static int +supported_feature_init( void ) +{ + int i; + + if ( supportedFeatures != NULL ) { + return 0; + } + + for ( i = 0; !BER_BVISNULL( &builtin_supportedFeatures[ i ] ); i++ ) + ; + + supportedFeatures = ch_calloc( sizeof( struct berval ), i + 1 ); + if ( supportedFeatures == NULL ) { + return -1; + } + + for ( i = 0; !BER_BVISNULL( &builtin_supportedFeatures[ i ] ); i++ ) { + ber_dupbv( &supportedFeatures[ i ], &builtin_supportedFeatures[ i ] ); + } + BER_BVZERO( &supportedFeatures[ i ] ); + + return 0; +} + +int +supported_feature_destroy( void ) +{ + int i; + + if ( supportedFeatures == NULL ) { + return 0; + } + + for ( i = 0; !BER_BVISNULL( &supportedFeatures[ i ] ); i++ ) { + ch_free( supportedFeatures[ i ].bv_val ); + } + + ch_free( supportedFeatures ); + supportedFeatures = NULL; + + return 0; +} + +int +supported_feature_load( struct berval *f ) +{ + struct berval *tmp; + int i; + + supported_feature_init(); + + for ( i = 0; !BER_BVISNULL( &supportedFeatures[ i ] ); i++ ) + ; + + tmp = ch_realloc( supportedFeatures, sizeof( struct berval ) * ( i + 2 ) ); + if ( tmp == NULL ) { + return -1; + } + supportedFeatures = tmp; + + ber_dupbv( &supportedFeatures[ i ], f ); + BER_BVZERO( &supportedFeatures[ i + 1 ] ); + + return 0; +} + int root_dse_info( Connection *conn, Entry **entry, const char **text ) { - char buf[BUFSIZ]; Entry *e; - struct berval vals[2]; + struct berval val; +#ifdef LDAP_SLAPI + struct berval *bv; +#endif int i, j; char ** supportedSASLMechanisms; + BackendDB *be; AttributeDescription *ad_structuralObjectClass = slap_schema.si_ad_structuralObjectClass; @@ -45,22 +196,29 @@ root_dse_info( = slap_schema.si_ad_objectClass; AttributeDescription *ad_namingContexts = slap_schema.si_ad_namingContexts; - AttributeDescription *ad_supportedControl - = slap_schema.si_ad_supportedControl; +#ifdef LDAP_SLAPI AttributeDescription *ad_supportedExtension = slap_schema.si_ad_supportedExtension; +#endif AttributeDescription *ad_supportedLDAPVersion = slap_schema.si_ad_supportedLDAPVersion; AttributeDescription *ad_supportedSASLMechanisms = slap_schema.si_ad_supportedSASLMechanisms; AttributeDescription *ad_supportedFeatures = slap_schema.si_ad_supportedFeatures; + AttributeDescription *ad_monitorContext + = slap_schema.si_ad_monitorContext; + AttributeDescription *ad_configContext + = slap_schema.si_ad_configContext; AttributeDescription *ad_ref = slap_schema.si_ad_ref; - vals[1].bv_val = NULL; - - e = (Entry *) ch_calloc( 1, sizeof(Entry) ); + e = (Entry *) SLAP_CALLOC( 1, sizeof(Entry) ); + if( e == NULL ) { + Debug( LDAP_DEBUG_ANY, + "root_dse_info: SLAP_CALLOC failed", 0, 0, 0 ); + return LDAP_OTHER; + } e->e_attrs = NULL; e->e_name.bv_val = ch_strdup( LDAP_ROOT_DSE ); @@ -74,61 +232,103 @@ root_dse_info( e->e_private = NULL; - vals[0].bv_val = "OpenLDAProotDSE"; - vals[0].bv_len = sizeof("OpenLDAProotDSE")-1; - attr_merge( e, ad_structuralObjectClass, vals ); - - vals[0].bv_val = "top"; - vals[0].bv_len = sizeof("top")-1; - attr_merge( e, ad_objectClass, vals ); - - vals[0].bv_val = "OpenLDAProotDSE"; - vals[0].bv_len = sizeof("OpenLDAProotDSE")-1; - attr_merge( e, ad_objectClass, vals ); + /* FIXME: is this really needed? */ + BER_BVSTR( &val, "top" ); + if( attr_merge_one( e, ad_objectClass, &val, NULL ) ) { +fail: + entry_free( e ); + return LDAP_OTHER; + } + + BER_BVSTR( &val, "OpenLDAProotDSE" ); + if( attr_merge_one( e, ad_objectClass, &val, NULL ) ) { + goto fail; + } + if( attr_merge_one( e, ad_structuralObjectClass, &val, NULL ) ) { + goto fail; + } - for ( i = 0; i < nbackends; i++ ) { - if ( backends[i].be_flags & SLAP_BFLAG_GLUE_SUBORDINATE ) { + LDAP_STAILQ_FOREACH( be, &backendDB, be_next ) { + if ( be->be_suffix == NULL + || be->be_nsuffix == NULL ) { + /* no suffix! */ + continue; + } + if ( SLAP_MONITOR( be )) { + if( attr_merge_one( e, ad_monitorContext, + &be->be_suffix[0], + &be->be_nsuffix[0] ) ) + { + goto fail; + } + continue; + } + if ( SLAP_CONFIG( be )) { + if( attr_merge_one( e, ad_configContext, + &be->be_suffix[0], + & be->be_nsuffix[0] ) ) + { + goto fail; + } continue; } - for ( j = 0; backends[i].be_suffix[j] != NULL; j++ ) { - vals[0] = *backends[i].be_suffix[j]; - attr_merge( e, ad_namingContexts, vals ); + 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; + } } } /* altServer unsupported */ /* supportedControl */ - for ( i=0; (vals[0].bv_val = get_supported_ctrl(i)) != NULL; i++ ) { - vals[0].bv_len = strlen( vals[0].bv_val ); - attr_merge( e, ad_supportedControl, vals ); + if ( controls_root_dse_info( e ) != 0 ) { + goto fail; } /* supportedExtension */ - for ( i=0; (vals[0].bv_val = get_supported_extop(i)) != NULL; i++ ) { - vals[0].bv_len = strlen( vals[0].bv_val ); - attr_merge( e, ad_supportedExtension, vals ); + if ( exop_root_dse_info( e ) != 0 ) { + goto fail; + } + +#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 */ - for ( i=0; supportedFeatures[i] != NULL; i++ ) { - vals[0].bv_val = supportedFeatures[i]; - vals[0].bv_len = strlen( vals[0].bv_val ); - attr_merge( e, ad_supportedFeatures, vals ); + if ( supportedFeatures == NULL ) { + supported_feature_init(); + } + + if( attr_merge( e, ad_supportedFeatures, supportedFeatures, NULL ) ) { + goto fail; } /* supportedLDAPVersion */ - for ( i=LDAP_VERSION_MIN; i<=LDAP_VERSION_MAX; i++ ) { - if (!( global_allows & SLAP_ALLOW_BIND_V2 ) && - ( i < LDAP_VERSION3 ) ) - { - /* version 2 and lower are disallowed */ - continue; + /* don't publish version 2 as we don't really support it + * (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_len = strlen( val.bv_val ); + if( attr_merge_one( e, ad_supportedLDAPVersion, &val, NULL ) ) { + goto fail; } - sprintf(buf,"%d",i); - vals[0].bv_val = buf; - vals[0].bv_len = strlen( vals[0].bv_val ); - attr_merge( e, ad_supportedLDAPVersion, vals ); } /* supportedSASLMechanism */ @@ -136,21 +336,38 @@ root_dse_info( if( supportedSASLMechanisms != NULL ) { for ( i=0; supportedSASLMechanisms[i] != NULL; i++ ) { - vals[0].bv_val = supportedSASLMechanisms[i]; - vals[0].bv_len = strlen( vals[0].bv_val ); - attr_merge( e, ad_supportedSASLMechanisms, vals ); + 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; + } } - charray_free( supportedSASLMechanisms ); + ldap_charray_free( supportedSASLMechanisms ); } if ( default_referral != NULL ) { - attr_merge( e, ad_ref, default_referral ); + 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 ) { - attr_merge( e, a->a_desc, a->a_vals ); + 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 ); } } @@ -166,11 +383,11 @@ root_dse_info( */ int read_root_dse_file( const char *fname ) { - FILE *fp; + struct LDIFFP *fp; int rc = 0, lineno = 0, lmax = 0; char *buf = NULL; - if ( (fp = fopen( fname, "r" )) == 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 ); @@ -178,7 +395,13 @@ int read_root_dse_file( const char *fnam return EXIT_FAILURE; } - usr_attr = (Entry *) ch_calloc( 1, sizeof(Entry) ); + 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 ) ) { @@ -188,10 +411,8 @@ int read_root_dse_file( const char *fnam if( e == NULL ) { fprintf( stderr, "root_dse: could not parse entry (line=%d)\n", lineno ); - entry_free( e ); - entry_free( usr_attr ); - usr_attr = NULL; - return EXIT_FAILURE; + rc = EXIT_FAILURE; + break; } /* make sure the DN is the empty DN */ @@ -200,9 +421,8 @@ int read_root_dse_file( const char *fnam "root_dse: invalid rootDSE - dn=\"%s\" (line=%d)\n", e->e_dn, lineno ); entry_free( e ); - entry_free( usr_attr ); - usr_attr = NULL; - return EXIT_FAILURE; + rc = EXIT_FAILURE; + break; } /* @@ -212,14 +432,103 @@ int read_root_dse_file( const char *fnam */ for(a = e->e_attrs; a != NULL; a = a->a_next) { - attr_merge( usr_attr, a->a_desc, a->a_vals ); + 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 ); + } + + ldap_unbind_ext( ld, NULL, NULL ); + + return rc; +} +