vlistctrl.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
*
* Copyright %G% Sun Microsystems, Inc.
* All Rights Reserved
*
*
* Comments:
*
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <stdio.h>
#include <string.h>
#include "lber.h"
#include "ldap.h"
#include "ldap-private.h"
#include "ldap-int.h"
int ldap_create_virtuallist_control(LDAP *ld, LDAPVirtualList *ldvlistp,
LDAPControl **ctrlp)
{
BerElement *ber;
int rc;
if (NULL == ld)
return (LDAP_PARAM_ERROR);
if (NULL == ctrlp || NULL == ldvlistp)
return (LDAP_PARAM_ERROR);
if ((ber = alloc_ber_with_options(ld)) == NULLBER) {
ld->ld_errno = LDAP_NO_MEMORY;
return (LDAP_NO_MEMORY);
}
if (ber_printf(ber, "{ii", ldvlistp->ldvlist_before_count,
ldvlistp->ldvlist_after_count) == -1) {
ld->ld_errno = LDAP_ENCODING_ERROR;
ber_free(ber, 1);
return (LDAP_ENCODING_ERROR);
}
if (NULL == ldvlistp->ldvlist_attrvalue) {
if (ber_printf(ber, "t{ii}}", LDAP_TAG_VLV_BY_INDEX,
ldvlistp->ldvlist_index,
ldvlistp->ldvlist_size) == -1) {
ld->ld_errno = LDAP_ENCODING_ERROR;
ber_free(ber, 1);
return (LDAP_ENCODING_ERROR);
}
} else {
if (ber_printf(ber, "to}", LDAP_TAG_VLV_BY_VALUE,
ldvlistp->ldvlist_attrvalue,
strlen(ldvlistp->ldvlist_attrvalue)) == -1) {
ld->ld_errno = LDAP_ENCODING_ERROR;
ber_free(ber, 1);
return (LDAP_ENCODING_ERROR);
}
}
rc = ldap_build_control(LDAP_CONTROL_VLVREQUEST, ber, 1, 1, ctrlp);
ld->ld_errno = rc;
return (rc);
}
int ldap_parse_virtuallist_control(LDAP *ld, LDAPControl **ctrls,
unsigned long *target_posp, unsigned long *list_sizep, int *errcodep)
{
BerElement *ber;
int i, foundListControl;
LDAPControl *listCtrlp;
if (NULL == ld)
return (LDAP_PARAM_ERROR);
/* only ldapv3 or higher can do virtual lists. */
if (ld->ld_version != LDAP_VERSION3) {
ld->ld_errno = LDAP_NOT_SUPPORTED;
return (LDAP_NOT_SUPPORTED);
}
/* find the listControl in the list of controls if it exists */
if (ctrls == NULL) {
ld->ld_errno = LDAP_NOT_SUPPORTED;
return (LDAP_NOT_SUPPORTED);
}
foundListControl = 0;
for (i = 0; ((ctrls[i] != NULL) && (!foundListControl)); i++) {
foundListControl = !(strcmp(ctrls[i]->ldctl_oid,
LDAP_CONTROL_VLVRESPONSE));
}
if (!foundListControl) {
ld->ld_errno = LDAP_CONTROL_NOT_FOUND;
return (LDAP_CONTROL_NOT_FOUND);
} else {
/* let local var point to the listControl */
listCtrlp = ctrls[i-1];
}
/* allocate a Ber element with the contents of the list_control's */
/* struct berval */
if ((ber = ber_init(&listCtrlp->ldctl_value)) == NULL) {
ld->ld_errno = LDAP_NO_MEMORY;
return (LDAP_NO_MEMORY);
}
/* decode the result from the Berelement */
if (LBER_ERROR == ber_scanf(ber, "{iie}", target_posp, list_sizep,
errcodep)) {
ld->ld_errno = LDAP_DECODING_ERROR;
ber_free(ber, 1);
return (LDAP_DECODING_ERROR);
}
/* the ber encoding is no longer needed */
ber_free(ber, 1);
return (LDAP_SUCCESS);
}