openldap/servers/slapd/back-ldap/attribute.c
2001-12-27 12:17:28 +00:00

125 lines
2.9 KiB
C

/* group.c - ldap backend acl group routine */
/* $OpenLDAP$ */
/*
* Copyright 1998-1999 The OpenLDAP Foundation, All Rights Reserved.
* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
*/
#include "portable.h"
#include <stdio.h>
#include <ac/socket.h>
#include <ac/string.h>
#include "slap.h"
#include "back-ldap.h"
/* return 0 IFF we can retrieve the attributes
* of entry with ndn
*/
int
ldap_back_attribute(
Backend *be,
Connection *conn,
Operation *op,
Entry *target,
struct berval *ndn,
AttributeDescription *entry_at,
struct berval ***vals
)
{
struct ldapinfo *li = (struct ldapinfo *) be->be_private;
int rc = 1, i, j, count, is_oc;
Attribute *attr;
struct berval **abv, **v;
char **vs, *mapped;
LDAPMessage *result, *e;
char *gattr[2];
LDAP *ld;
*vals = NULL;
if (target != NULL && strcmp(target->e_ndn, ndn->bv_val) == 0) {
/* we already have a copy of the entry */
/* attribute and objectclass mapping has already been done */
if ((attr = attr_find(target->e_attrs, entry_at)) == NULL)
return(1);
for ( count = 0; attr->a_vals[count] != NULL; count++ ) { }
v = (struct berval **) ch_calloc( (count + 1), sizeof(struct berval *) );
if (v != NULL) {
for ( j = 0, abv = attr->a_vals; --count >= 0; abv++ ) {
if ( (*abv)->bv_len > 0 ) {
v[j] = ber_bvdup( *abv );
if( v[j] == NULL )
break;
}
}
v[j] = NULL;
*vals = v;
rc = 0;
}
} else {
mapped = ldap_back_map(&li->at_map, entry_at->ad_cname.bv_val, 0);
if (mapped == NULL)
return(1);
if (ldap_initialize(&ld, li->url) != LDAP_SUCCESS) {
return(1);
}
if (ldap_bind_s(ld, li->binddn, li->bindpw, LDAP_AUTH_SIMPLE) == LDAP_SUCCESS) {
gattr[0] = mapped;
gattr[1] = NULL;
if (ldap_search_ext_s(ld, ndn->bv_val, LDAP_SCOPE_BASE, "(objectclass=*)",
gattr, 0, NULL, NULL, LDAP_NO_LIMIT,
LDAP_NO_LIMIT, &result) == LDAP_SUCCESS)
{
if ((e = ldap_first_entry(ld, result)) != NULL) {
vs = ldap_get_values(ld, e, mapped);
if (vs != NULL) {
for ( count = 0; vs[count] != NULL; count++ ) { }
v = (struct berval **) ch_calloc( (count + 1), sizeof(struct berval *) );
if (v == NULL) {
ldap_value_free(vs);
} else {
is_oc = (strcasecmp("objectclass", mapped) == 0);
for ( i = 0, j = 0; i < count; i++) {
if (!is_oc) {
v[j] = ber_bvstr( vs[i] );
if( v[j] == NULL )
ch_free(vs[i]);
else
j++;
} else {
mapped = ldap_back_map(&li->oc_map, vs[i], 1);
if (mapped) {
mapped = ch_strdup( mapped );
if (mapped) {
v[j] = ber_bvstr( mapped );
if (v[j])
j++;
}
}
ch_free(vs[i]);
}
}
v[j] = NULL;
*vals = v;
rc = 0;
ch_free(vs);
}
}
}
ldap_msgfree(result);
}
}
ldap_unbind(ld);
}
return(rc);
}