* can be found in the file "build/LICENSE-2.0.1" in this distribution
* of OpenLDAP Software.
*/
-/* Portions Copyright (C) The Internet Society (1997)
- * ASN.1 fragments are from RFC 2251; see RFC for full legal notices.
- */
#include "portable.h"
Create and encode the Virtual List View control.
- ld (IN) An LDAP session handle, as obtained from a call to
- ldap_init().
+ ld (IN) An LDAP session handle.
vlvinfop (IN) The address of an LDAPVLVInfo structure whose contents
are used to construct the value of the control
that is created.
- ctrlp (OUT) A result parameter that will be assigned the address
+ value (OUT) A struct berval that contains the value to be assigned to the ldctl_value member
of an LDAPControl structure that contains the
- VirtualListViewRequest control created by this function.
- The memory occupied by the LDAPControl structure
+ VirtualListViewRequest control.
+ The bv_val member of the berval structure
SHOULD be freed when it is no longer in use by
- calling ldap_control_free().
+ calling ldap_memfree().
Ber encoding
---*/
int
-ldap_create_vlv_control( LDAP *ld,
- LDAPVLVInfo *vlvinfop,
- LDAPControl **ctrlp )
+ldap_create_vlv_control_value(
+ LDAP *ld,
+ LDAPVLVInfo *vlvinfop,
+ struct berval *value )
{
ber_tag_t tag;
BerElement *ber;
- assert( ld != NULL );
+ if ( ld == NULL || vlvinfop == NULL || value == NULL ) {
+ if ( ld )
+ ld->ld_errno = LDAP_PARAM_ERROR;
+ return LDAP_PARAM_ERROR;
+ }
+
assert( LDAP_VALID( ld ) );
- assert( vlvinfop != NULL );
- assert( ctrlp != NULL );
- if ((ber = ldap_alloc_ber_with_options(ld)) == NULL) {
+ value->bv_val = NULL;
+ value->bv_len = 0;
+
+ ber = ldap_alloc_ber_with_options( ld );
+ if ( ber == NULL ) {
ld->ld_errno = LDAP_NO_MEMORY;
- return(LDAP_NO_MEMORY);
+ return ld->ld_errno;
}
- tag = ber_printf(ber, "{ii" /*}*/,
+ tag = ber_printf( ber, "{ii" /*}*/,
vlvinfop->ldvlv_before_count,
- vlvinfop->ldvlv_after_count);
- if( tag == LBER_ERROR ) goto exit;
+ vlvinfop->ldvlv_after_count );
+ if ( tag == LBER_ERROR ) {
+ goto error_return;
+ }
- if (vlvinfop->ldvlv_attrvalue == NULL) {
- tag = ber_printf(ber, "t{iiN}",
+ if ( vlvinfop->ldvlv_attrvalue == NULL ) {
+ tag = ber_printf( ber, "t{iiN}",
LDAP_VLVBYINDEX_IDENTIFIER,
vlvinfop->ldvlv_offset,
- vlvinfop->ldvlv_count);
- if( tag == LBER_ERROR ) goto exit;
+ vlvinfop->ldvlv_count );
+ if ( tag == LBER_ERROR ) {
+ goto error_return;
+ }
} else {
- tag = ber_printf(ber, "tO",
+ tag = ber_printf( ber, "tO",
LDAP_VLVBYVALUE_IDENTIFIER,
- vlvinfop->ldvlv_attrvalue);
- if( tag == LBER_ERROR ) goto exit;
+ vlvinfop->ldvlv_attrvalue );
+ if ( tag == LBER_ERROR ) {
+ goto error_return;
+ }
}
- if (vlvinfop->ldvlv_context) {
- tag = ber_printf(ber, "tO",
+ if ( vlvinfop->ldvlv_context ) {
+ tag = ber_printf( ber, "tO",
LDAP_VLVCONTEXT_IDENTIFIER,
- vlvinfop->ldvlv_context);
- if( tag == LBER_ERROR ) goto exit;
+ vlvinfop->ldvlv_context );
+ if ( tag == LBER_ERROR ) {
+ goto error_return;
+ }
}
- tag = ber_printf(ber, /*{*/ "N}");
- if( tag == LBER_ERROR ) goto exit;
+ tag = ber_printf( ber, /*{*/ "N}" );
+ if ( tag == LBER_ERROR ) {
+ goto error_return;
+ }
- ld->ld_errno = ldap_create_control( LDAP_CONTROL_VLVREQUEST,
- ber, 1, ctrlp);
+ if ( ber_flatten2( ber, value, 1 ) == -1 ) {
+ ld->ld_errno = LDAP_NO_MEMORY;
+ }
- ber_free(ber, 1);
- return(ld->ld_errno);
+ if ( 0 ) {
+error_return:;
+ ld->ld_errno = LDAP_ENCODING_ERROR;
+ }
-exit:
- ber_free(ber, 1);
- ld->ld_errno = LDAP_ENCODING_ERROR;
- return(ld->ld_errno);
+ if ( ber != NULL ) {
+ ber_free( ber, 1 );
+ }
+
+ return ld->ld_errno;
+}
+
+/*---
+ ldap_create_vlv_control
+
+ Create and encode the Virtual List View control.
+
+ ld (IN) An LDAP session handle.
+
+ vlvinfop (IN) The address of an LDAPVLVInfo structure whose contents
+ are used to construct the value of the control
+ that is created.
+
+ ctrlp (OUT) A result parameter that will be assigned the address
+ of an LDAPControl structure that contains the
+ VirtualListViewRequest control created by this function.
+ The memory occupied by the LDAPControl structure
+ SHOULD be freed when it is no longer in use by
+ calling ldap_control_free().
+
+
+ Ber encoding
+
+ VirtualListViewRequest ::= SEQUENCE {
+ beforeCount INTEGER (0 .. maxInt),
+ afterCount INTEGER (0 .. maxInt),
+ CHOICE {
+ byoffset [0] SEQUENCE, {
+ offset INTEGER (0 .. maxInt),
+ contentCount INTEGER (0 .. maxInt) }
+ [1] greaterThanOrEqual assertionValue }
+ contextID OCTET STRING OPTIONAL }
+
+
+ Note: The first time the VLV control is created, the ldvlv_context
+ field of the LDAPVLVInfo structure should be set to NULL.
+ The context obtained from calling ldap_parse_vlv_control()
+ should be used as the context in the next ldap_create_vlv_control
+ call.
+
+ ---*/
+
+int
+ldap_create_vlv_control(
+ LDAP *ld,
+ LDAPVLVInfo *vlvinfop,
+ LDAPControl **ctrlp )
+{
+ struct berval value;
+ BerElement *ber;
+
+ if ( ctrlp == NULL ) {
+ ld->ld_errno = LDAP_PARAM_ERROR;
+ return ld->ld_errno;
+ }
+
+ ld->ld_errno = ldap_create_vlv_control_value( ld, vlvinfop, &value );
+ if ( ld->ld_errno == LDAP_SUCCESS ) {
+ if ((ber = ldap_alloc_ber_with_options(ld)) == NULL) {
+ ld->ld_errno = LDAP_NO_MEMORY;
+ return LDAP_NO_MEMORY;
+ }
+
+ ld->ld_errno = ldap_create_control( LDAP_CONTROL_VLVREQUEST,
+ ber, 1, ctrlp );
+ if ( ld->ld_errno == LDAP_SUCCESS ) {
+ (*ctrlp)->ldctl_value = value;
+ } else {
+ LDAP_FREE( value.bv_val );
+ }
+ ber_free(ber, 1);
+ }
+
+ return ld->ld_errno;
}
/*---
- ldap_parse_vlv_control
+ ldap_parse_vlvresponse_control
Decode the Virtual List View control return information.
ld (IN) An LDAP session handle.
- ctrls (IN) The address of a NULL-terminated array of
- LDAPControl structures, typically obtained
- by a call to ldap_parse_result().
+ ctrl (IN) The address of the LDAPControl structure.
target_posp (OUT) This result parameter is filled in with the list
index of the target entry. If this parameter is
---*/
int
-ldap_parse_vlv_control(
- LDAP *ld,
- LDAPControl **ctrls,
- unsigned long *target_posp,
- unsigned long *list_countp,
+ldap_parse_vlvresponse_control(
+ LDAP *ld,
+ LDAPControl *ctrl,
+ ber_int_t *target_posp,
+ ber_int_t *list_countp,
struct berval **contextp,
- int *errcodep )
+ ber_int_t *errcodep )
{
BerElement *ber;
- LDAPControl *pControl;
- int i;
- unsigned long pos, count, err;
+ ber_int_t pos, count, err;
ber_tag_t tag, berTag;
ber_len_t berLen;
*contextp = NULL; /* Make sure we return a NULL if error occurs. */
}
- if (ctrls == NULL) {
- ld->ld_errno = LDAP_CONTROL_NOT_FOUND;
+ if (ctrl == NULL) {
+ ld->ld_errno = LDAP_PARAM_ERROR;
return(ld->ld_errno);
}
- /* Search the list of control responses for a VLV control. */
- for (i=0; ctrls[i]; i++) {
- pControl = ctrls[i];
- if (!strcmp(LDAP_CONTROL_VLVRESPONSE, pControl->ldctl_oid))
- goto foundVLVControl;
+ if (strcmp(LDAP_CONTROL_VLVRESPONSE, ctrl->ldctl_oid) != 0) {
+ /* Not VLV Response control */
+ ld->ld_errno = LDAP_CONTROL_NOT_FOUND;
+ return(ld->ld_errno);
}
- /* No sort control was found. */
- ld->ld_errno = LDAP_CONTROL_NOT_FOUND;
- return(ld->ld_errno);
-
-foundVLVControl:
/* Create a BerElement from the berval returned in the control. */
- ber = ber_init(&pControl->ldctl_value);
+ ber = ber_init(&ctrl->ldctl_value);
if (ber == NULL) {
ld->ld_errno = LDAP_NO_MEMORY;
ber_free(ber, 1);
/* Return data to the caller for items that were requested. */
- if (target_posp) {
- *target_posp = pos;
- }
- if (list_countp) {
- *list_countp = count;
- }
- if (errcodep) {
- *errcodep = err;
- }
+ if (target_posp) *target_posp = pos;
+ if (list_countp) *list_countp = count;
+ if (errcodep) *errcodep = err;
ld->ld_errno = LDAP_SUCCESS;
return(ld->ld_errno);
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