diff options
Diffstat (limited to 'servers/slapd/slapi/slapi_dn.c')
| -rw-r--r-- | servers/slapd/slapi/slapi_dn.c | 669 |
1 files changed, 669 insertions, 0 deletions
diff --git a/servers/slapd/slapi/slapi_dn.c b/servers/slapd/slapi/slapi_dn.c new file mode 100644 index 0000000..238a48e --- /dev/null +++ b/servers/slapd/slapi/slapi_dn.c @@ -0,0 +1,669 @@ +/* $OpenLDAP$ */ +/* This work is part of OpenLDAP Software <http://www.openldap.org/>. + * + * Copyright 2005-2021 The OpenLDAP Foundation. + * All rights reserved. + * + * 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 + * <http://www.OpenLDAP.org/license.html>. + */ +/* ACKNOWLEDGEMENTS: + * This work was initially developed by Luke Howard for inclusion + * in OpenLDAP Software. + */ + +#include "portable.h" + +#include <ac/string.h> +#include <ac/stdarg.h> +#include <ac/ctype.h> +#include <ac/unistd.h> +#include <ldap_pvt.h> + +#include <slap.h> +#include <slapi.h> + +#ifdef LDAP_SLAPI +#define FLAG_DN 0x1 +#define FLAG_NDN 0x2 + +void slapi_sdn_init( Slapi_DN *sdn ) +{ + sdn->flag = 0; + BER_BVZERO( &sdn->dn ); + BER_BVZERO( &sdn->ndn ); +} + +Slapi_DN *slapi_sdn_new( void ) +{ + Slapi_DN *sdn; + + sdn = (Slapi_DN *)slapi_ch_malloc( sizeof(*sdn )); + slapi_sdn_init( sdn ); + + return sdn; +} + +void slapi_sdn_done( Slapi_DN *sdn ) +{ + if ( sdn == NULL ) + return; + + if ( sdn->flag & FLAG_DN ) { + slapi_ch_free_string( &sdn->dn.bv_val ); + } + if ( sdn->flag & FLAG_NDN ) { + slapi_ch_free_string( &sdn->ndn.bv_val ); + } + + slapi_sdn_init( sdn ); +} + +void slapi_sdn_free( Slapi_DN **sdn ) +{ + slapi_sdn_done( *sdn ); + slapi_ch_free( (void **)sdn ); +} + +const char *slapi_sdn_get_dn( const Slapi_DN *sdn ) +{ + if ( !BER_BVISNULL( &sdn->dn ) ) + return sdn->dn.bv_val; + else + return sdn->ndn.bv_val; +} + +const char *slapi_sdn_get_ndn( const Slapi_DN *sdn ) +{ + if ( BER_BVISNULL( &sdn->ndn ) ) { + dnNormalize( 0, NULL, NULL, + (struct berval *)&sdn->dn, (struct berval *)&sdn->ndn, NULL ); + ((Slapi_DN *)sdn)->flag |= FLAG_NDN; + } + + return sdn->ndn.bv_val; +} + +Slapi_DN *slapi_sdn_new_dn_byval( const char *dn ) +{ + Slapi_DN *sdn; + + sdn = slapi_sdn_new(); + return slapi_sdn_set_dn_byval( sdn, dn ); +} + +Slapi_DN *slapi_sdn_new_ndn_byval( const char *ndn ) +{ + Slapi_DN *sdn; + + sdn = slapi_sdn_new(); + return slapi_sdn_set_ndn_byval( sdn, ndn ); +} + +Slapi_DN *slapi_sdn_new_dn_byref( const char *dn ) +{ + Slapi_DN *sdn; + + sdn = slapi_sdn_new(); + return slapi_sdn_set_dn_byref( sdn, dn ); +} + +Slapi_DN *slapi_sdn_new_ndn_byref( const char *ndn ) +{ + Slapi_DN *sdn; + + sdn = slapi_sdn_new(); + return slapi_sdn_set_ndn_byref( sdn, ndn ); +} + +Slapi_DN *slapi_sdn_new_dn_passin( const char *dn ) +{ + Slapi_DN *sdn; + + sdn = slapi_sdn_new(); + return slapi_sdn_set_dn_passin( sdn, dn ); +} + +Slapi_DN *slapi_sdn_set_dn_byval( Slapi_DN *sdn, const char *dn ) +{ + if ( sdn == NULL ) { + return NULL; + } + + slapi_sdn_done( sdn ); + if ( dn != NULL ) { + sdn->dn.bv_val = slapi_ch_strdup( dn ); + sdn->dn.bv_len = strlen( dn ); + } + sdn->flag |= FLAG_DN; + + return sdn; +} + +Slapi_DN *slapi_sdn_set_dn_byref( Slapi_DN *sdn, const char *dn ) +{ + if ( sdn == NULL ) + return NULL; + + slapi_sdn_done( sdn ); + if ( dn != NULL ) { + sdn->dn.bv_val = (char *)dn; + sdn->dn.bv_len = strlen( dn ); + } + + return sdn; +} + +Slapi_DN *slapi_sdn_set_dn_passin( Slapi_DN *sdn, const char *dn ) +{ + if ( sdn == NULL ) + return NULL; + + slapi_sdn_set_dn_byref( sdn, dn ); + sdn->flag |= FLAG_DN; + + return sdn; +} + +Slapi_DN *slapi_sdn_set_ndn_byval( Slapi_DN *sdn, const char *ndn ) +{ + if ( sdn == NULL ) { + return NULL; + } + + slapi_sdn_done( sdn ); + if ( ndn != NULL ) { + sdn->ndn.bv_val = slapi_ch_strdup( ndn ); + sdn->ndn.bv_len = strlen( ndn ); + } + sdn->flag |= FLAG_NDN; + + return sdn; +} + +Slapi_DN *slapi_sdn_set_ndn_byref( Slapi_DN *sdn, const char *ndn ) +{ + if ( sdn == NULL ) + return NULL; + + slapi_sdn_done( sdn ); + if ( ndn != NULL ) { + sdn->ndn.bv_val = (char *)ndn; + sdn->ndn.bv_len = strlen( ndn ); + } + + return sdn; +} + +Slapi_DN *slapi_sdn_set_ndn_passin( Slapi_DN *sdn, const char *ndn ) +{ + if ( sdn == NULL ) + return NULL; + + slapi_sdn_set_ndn_byref( sdn, ndn ); + sdn->flag |= FLAG_NDN; + + return sdn; +} + +void slapi_sdn_get_parent( const Slapi_DN *sdn, Slapi_DN *sdn_parent ) +{ + struct berval parent_dn; + + if ( !(sdn->flag & FLAG_DN) ) { + dnParent( (struct berval *)&sdn->ndn, &parent_dn ); + slapi_sdn_set_ndn_byval( sdn_parent, parent_dn.bv_val ); + } else { + dnParent( (struct berval *)&sdn->dn, &parent_dn ); + slapi_sdn_set_dn_byval( sdn_parent, parent_dn.bv_val ); + } +} + +void slapi_sdn_get_backend_parent( const Slapi_DN *sdn, + Slapi_DN *sdn_parent, + const Slapi_Backend *backend ) +{ + slapi_sdn_get_ndn( sdn ); + + if ( backend == NULL || + be_issuffix( (Slapi_Backend *)backend, (struct berval *)&sdn->ndn ) == 0 ) { + slapi_sdn_get_parent( sdn, sdn_parent ); + } + +} + +Slapi_DN * slapi_sdn_dup( const Slapi_DN *sdn ) +{ + Slapi_DN *new_sdn; + + new_sdn = slapi_sdn_new(); + slapi_sdn_copy( sdn, new_sdn ); + + return new_sdn; +} + +void slapi_sdn_copy( const Slapi_DN *from, Slapi_DN *to ) +{ + slapi_sdn_set_dn_byval( to, from->dn.bv_val ); +} + +int slapi_sdn_compare( const Slapi_DN *sdn1, const Slapi_DN *sdn2 ) +{ + int match = -1; + + slapi_sdn_get_ndn( sdn1 ); + slapi_sdn_get_ndn( sdn2 ); + + dnMatch( &match, 0, slap_schema.si_syn_distinguishedName, NULL, + (struct berval *)&sdn1->ndn, (void *)&sdn2->ndn ); + + return match; +} + +int slapi_sdn_isempty( const Slapi_DN *sdn) +{ + return ( BER_BVISEMPTY( &sdn->dn ) && BER_BVISEMPTY( &sdn->ndn ) ); +} + +int slapi_sdn_issuffix( const Slapi_DN *sdn, const Slapi_DN *suffix_sdn ) +{ + slapi_sdn_get_ndn( sdn ); + slapi_sdn_get_ndn( suffix_sdn ); + + return dnIsSuffix( &sdn->ndn, &suffix_sdn->ndn ); +} + +int slapi_sdn_isparent( const Slapi_DN *parent, const Slapi_DN *child ) +{ + Slapi_DN child_parent; + + slapi_sdn_get_ndn( child ); + + slapi_sdn_init( &child_parent ); + dnParent( (struct berval *)&child->ndn, &child_parent.ndn ); + + return ( slapi_sdn_compare( parent, &child_parent ) == 0 ); +} + +int slapi_sdn_isgrandparent( const Slapi_DN *parent, const Slapi_DN *child ) +{ + Slapi_DN child_grandparent; + + slapi_sdn_get_ndn( child ); + + slapi_sdn_init( &child_grandparent ); + dnParent( (struct berval *)&child->ndn, &child_grandparent.ndn ); + if ( child_grandparent.ndn.bv_len == 0 ) { + return 0; + } + + dnParent( &child_grandparent.ndn, &child_grandparent.ndn ); + + return ( slapi_sdn_compare( parent, &child_grandparent ) == 0 ); +} + +int slapi_sdn_get_ndn_len( const Slapi_DN *sdn ) +{ + slapi_sdn_get_ndn( sdn ); + + return sdn->ndn.bv_len; +} + +int slapi_sdn_scope_test( const Slapi_DN *dn, const Slapi_DN *base, int scope ) +{ + int rc; + + switch ( scope ) { + case LDAP_SCOPE_BASE: + rc = ( slapi_sdn_compare( dn, base ) == 0 ); + break; + case LDAP_SCOPE_ONELEVEL: + rc = slapi_sdn_isparent( base, dn ); + break; + case LDAP_SCOPE_SUBTREE: + rc = slapi_sdn_issuffix( dn, base ); + break; + default: + rc = 0; + break; + } + + return rc; +} + +void slapi_rdn_init( Slapi_RDN *rdn ) +{ + rdn->flag = 0; + BER_BVZERO( &rdn->bv ); + rdn->rdn = NULL; +} + +Slapi_RDN *slapi_rdn_new( void ) +{ + Slapi_RDN *rdn; + + rdn = (Slapi_RDN *)slapi_ch_malloc( sizeof(*rdn )); + slapi_rdn_init( rdn ); + + return rdn; +} + +Slapi_RDN *slapi_rdn_new_dn( const char *dn ) +{ + Slapi_RDN *rdn; + + rdn = slapi_rdn_new(); + slapi_rdn_init_dn( rdn, dn ); + return rdn; +} + +Slapi_RDN *slapi_rdn_new_sdn( const Slapi_DN *sdn ) +{ + return slapi_rdn_new_dn( slapi_sdn_get_dn( sdn ) ); +} + +Slapi_RDN *slapi_rdn_new_rdn( const Slapi_RDN *fromrdn ) +{ + return slapi_rdn_new_dn( fromrdn->bv.bv_val ); +} + +void slapi_rdn_init_dn( Slapi_RDN *rdn, const char *dn ) +{ + slapi_rdn_init( rdn ); + slapi_rdn_set_dn( rdn, dn ); +} + +void slapi_rdn_init_sdn( Slapi_RDN *rdn, const Slapi_DN *sdn ) +{ + slapi_rdn_init( rdn ); + slapi_rdn_set_sdn( rdn, sdn ); +} + +void slapi_rdn_init_rdn( Slapi_RDN *rdn, const Slapi_RDN *fromrdn ) +{ + slapi_rdn_init( rdn ); + slapi_rdn_set_rdn( rdn, fromrdn ); +} + +void slapi_rdn_set_dn( Slapi_RDN *rdn, const char *dn ) +{ + struct berval bv; + + slapi_rdn_done( rdn ); + + BER_BVZERO( &bv ); + + if ( dn != NULL ) { + bv.bv_val = (char *)dn; + bv.bv_len = strlen( dn ); + } + + dnExtractRdn( &bv, &rdn->bv, NULL ); + rdn->flag |= FLAG_DN; +} + +void slapi_rdn_set_sdn( Slapi_RDN *rdn, const Slapi_DN *sdn ) +{ + slapi_rdn_set_dn( rdn, slapi_sdn_get_dn( sdn ) ); +} + +void slapi_rdn_set_rdn( Slapi_RDN *rdn, const Slapi_RDN *fromrdn ) +{ + slapi_rdn_set_dn( rdn, fromrdn->bv.bv_val ); +} + +void slapi_rdn_free( Slapi_RDN **rdn ) +{ + slapi_rdn_done( *rdn ); + slapi_ch_free( (void **)rdn ); +} + +void slapi_rdn_done( Slapi_RDN *rdn ) +{ + if ( rdn->rdn != NULL ) { + ldap_rdnfree( rdn->rdn ); + rdn->rdn = NULL; + } + slapi_ch_free_string( &rdn->bv.bv_val ); + slapi_rdn_init( rdn ); +} + +const char *slapi_rdn_get_rdn( const Slapi_RDN *rdn ) +{ + return rdn->bv.bv_val; +} + +static int slapi_int_rdn_explode( Slapi_RDN *rdn ) +{ + char *next; + + if ( rdn->rdn != NULL ) { + return LDAP_SUCCESS; + } + + return ldap_bv2rdn( &rdn->bv, &rdn->rdn, &next, LDAP_DN_FORMAT_LDAP ); +} + +static int slapi_int_rdn_implode( Slapi_RDN *rdn ) +{ + struct berval bv; + int rc; + + if ( rdn->rdn == NULL ) { + return LDAP_SUCCESS; + } + + rc = ldap_rdn2bv( rdn->rdn, &bv, LDAP_DN_FORMAT_LDAPV3 | LDAP_DN_PRETTY ); + if ( rc != LDAP_SUCCESS ) { + return rc; + } + + slapi_ch_free_string( &rdn->bv.bv_val ); + rdn->bv = bv; + + return 0; +} + +int slapi_rdn_get_num_components( Slapi_RDN *rdn ) +{ + int i; + + if ( slapi_int_rdn_explode( rdn ) != LDAP_SUCCESS ) + return 0; + + for ( i = 0; rdn->rdn[i] != NULL; i++ ) + ; + + return i; +} + +int slapi_rdn_get_first( Slapi_RDN *rdn, char **type, char **value ) +{ + return slapi_rdn_get_next( rdn, 0, type, value ); +} + +int slapi_rdn_get_next( Slapi_RDN *rdn, int index, char **type, char **value ) +{ + slapi_int_rdn_explode( rdn ); + + if ( rdn->rdn == NULL || rdn->rdn[index] == NULL ) + return -1; + + *type = rdn->rdn[index]->la_attr.bv_val; + *value = rdn->rdn[index]->la_value.bv_val; + + return index + 1; +} + +int slapi_rdn_get_index( Slapi_RDN *rdn, const char *type, const char *value, size_t length ) +{ + int i, match; + struct berval bv; + AttributeDescription *ad = NULL; + const char *text; + + slapi_int_rdn_explode( rdn ); + + if ( slap_str2ad( type, &ad, &text ) != LDAP_SUCCESS ) { + return -1; + } + + bv.bv_val = (char *)value; + bv.bv_len = length; + + for ( i = 0; rdn->rdn[i] != NULL; i++ ) { + if ( !slapi_attr_types_equivalent( ad->ad_cname.bv_val, type )) + continue; + + if ( value_match( &match, ad, ad->ad_type->sat_equality, 0, + &rdn->rdn[i]->la_value, (void *)&bv, &text ) != LDAP_SUCCESS ) + match = -1; + + if ( match == 0 ) + return i; + } + + return -1; +} + +int slapi_rdn_get_index_attr( Slapi_RDN *rdn, const char *type, char **value ) +{ + int i; + + for ( i = 0; rdn->rdn[i] != NULL; i++ ) { + if ( slapi_attr_types_equivalent( rdn->rdn[i]->la_attr.bv_val, type ) ) { + *value = rdn->rdn[i]->la_value.bv_val; + return i; + } + } + + return -1; +} + +int slapi_rdn_contains( Slapi_RDN *rdn, const char *type, const char *value, size_t length ) +{ + return ( slapi_rdn_get_index( rdn, type, value, length ) != -1 ); +} + +int slapi_rdn_contains_attr( Slapi_RDN *rdn, const char *type, char **value ) +{ + return ( slapi_rdn_get_index_attr( rdn, type, value ) != -1 ); +} + +int slapi_rdn_compare( Slapi_RDN *rdn1, Slapi_RDN *rdn2 ) +{ + struct berval nrdn1 = BER_BVNULL; + struct berval nrdn2 = BER_BVNULL; + int match; + + rdnNormalize( 0, NULL, NULL, (struct berval *)&rdn1->bv, &nrdn1, NULL ); + rdnNormalize( 0, NULL, NULL, (struct berval *)&rdn2->bv, &nrdn2, NULL ); + + if ( rdnMatch( &match, 0, NULL, NULL, &nrdn1, (void *)&nrdn2 ) != LDAP_SUCCESS) { + match = -1; + } + + return match; +} + +int slapi_rdn_isempty( const Slapi_RDN *rdn ) +{ + return ( BER_BVISEMPTY( &rdn->bv ) ); +} + +int slapi_rdn_add( Slapi_RDN *rdn, const char *type, const char *value ) +{ + char *s; + size_t len; + + len = strlen(type) + 1 + strlen( value ); + if ( !BER_BVISEMPTY( &rdn->bv ) ) { + len += 1 + rdn->bv.bv_len; + } + + s = slapi_ch_malloc( len + 1 ); + + if ( BER_BVISEMPTY( &rdn->bv ) ) { + snprintf( s, len + 1, "%s=%s", type, value ); + } else { + snprintf( s, len + 1, "%s=%s+%s", type, value, rdn->bv.bv_val ); + } + + slapi_rdn_done( rdn ); + + rdn->bv.bv_len = len; + rdn->bv.bv_val = s; + + return 1; +} + +int slapi_rdn_remove_index( Slapi_RDN *rdn, int atindex ) +{ + int count, i; + + count = slapi_rdn_get_num_components( rdn ); + + if ( atindex < 0 || atindex >= count ) + return 0; + + if ( rdn->rdn == NULL ) + return 0; + + slapi_ch_free_string( &rdn->rdn[atindex]->la_attr.bv_val ); + slapi_ch_free_string( &rdn->rdn[atindex]->la_value.bv_val ); + + for ( i = atindex; i < count; i++ ) { + rdn->rdn[i] = rdn->rdn[i + 1]; + } + + if ( slapi_int_rdn_implode( rdn ) != LDAP_SUCCESS ) + return 0; + + return 1; +} + +int slapi_rdn_remove( Slapi_RDN *rdn, const char *type, const char *value, size_t length ) +{ + int index = slapi_rdn_get_index( rdn, type, value, length ); + + return slapi_rdn_remove_index( rdn, index ); +} + +int slapi_rdn_remove_attr( Slapi_RDN *rdn, const char *type ) +{ + char *value; + int index = slapi_rdn_get_index_attr( rdn, type, &value ); + + return slapi_rdn_remove_index( rdn, index ); +} + +Slapi_DN *slapi_sdn_add_rdn( Slapi_DN *sdn, const Slapi_RDN *rdn ) +{ + struct berval bv; + + build_new_dn( &bv, &sdn->dn, (struct berval *)&rdn->bv, NULL ); + + slapi_sdn_done( sdn ); + sdn->dn = bv; + + return sdn; +} + +Slapi_DN *slapi_sdn_set_parent( Slapi_DN *sdn, const Slapi_DN *parentdn ) +{ + Slapi_RDN rdn; + + slapi_rdn_init_sdn( &rdn, sdn ); + slapi_sdn_set_dn_byref( sdn, slapi_sdn_get_dn( parentdn ) ); + slapi_sdn_add_rdn( sdn, &rdn ); + slapi_rdn_done( &rdn ); + + return sdn; +} + +#endif /* LDAP_SLAPI */ |