X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=libraries%2Flibldap%2Fcontrols.c;h=7e9d73662fa69b66d83adf68892938bf8d1dec92;hb=2dfd312fa12a765a5ad311f6c9bf8dce76a63155;hp=1043d99ca100a4c542ee9cedaa18450de81b7804;hpb=dc07e765f263ef459dcd2afd1ece01cfc85a0edd;p=openldap
diff --git a/libraries/libldap/controls.c b/libraries/libldap/controls.c
index 1043d99ca1..7e9d73662f 100644
--- a/libraries/libldap/controls.c
+++ b/libraries/libldap/controls.c
@@ -1,14 +1,53 @@
-/*
- * Copyright 1998-1999 The OpenLDAP Foundation, All Rights Reserved.
- * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software .
+ *
+ * Copyright 1998-2005 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
+ * .
*/
-/*
- * LDAP controls
+/* This notice applies to changes, created by or for Novell, Inc.,
+ * to preexisting works for which notices appear elsewhere in this file.
+ *
+ * Copyright (C) 1999, 2000 Novell, Inc. All Rights Reserved.
+ *
+ * THIS WORK IS SUBJECT TO U.S. AND INTERNATIONAL COPYRIGHT LAWS AND TREATIES.
+ * USE, MODIFICATION, AND REDISTRIBUTION OF THIS WORK IS SUBJECT TO VERSION
+ * 2.0.1 OF THE OPENLDAP PUBLIC LICENSE, A COPY OF WHICH IS AVAILABLE AT
+ * HTTP://WWW.OPENLDAP.ORG/LICENSE.HTML OR IN THE FILE "LICENSE" IN THE
+ * TOP-LEVEL DIRECTORY OF THE DISTRIBUTION. ANY USE OR EXPLOITATION OF THIS
+ * WORK OTHER THAN AS AUTHORIZED IN VERSION 2.0.1 OF THE OPENLDAP PUBLIC
+ * LICENSE, OR OTHER PRIOR WRITTEN CONSENT FROM NOVELL, COULD SUBJECT THE
+ * PERPETRATOR TO CRIMINAL AND CIVIL LIABILITY.
+ *---
+ * Note: A verbatim copy of version 2.0.1 of the OpenLDAP Public License
+ * 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.
+ */
+
+/* LDAPv3 Controls (RFC2251)
+ *
+ * Controls ::= SEQUENCE OF Control
+ *
+ * Control ::= SEQUENCE {
+ * controlType LDAPOID,
+ * criticality BOOLEAN DEFAULT FALSE,
+ * controlValue OCTET STRING OPTIONAL
+ * }
*/
#include "portable.h"
-#include
+#include
#include
#include
@@ -20,14 +59,16 @@
* ldap_int_put_controls
*/
-int ldap_int_put_controls(
+int
+ldap_int_put_controls(
LDAP *ld,
- LDAPControl **ctrls,
+ LDAPControl *const *ctrls,
BerElement *ber )
{
- LDAPControl **c;
+ LDAPControl *const *c;
assert( ld != NULL );
+ assert( LDAP_VALID(ld) );
assert( ber != NULL );
if( ctrls == NULL ) {
@@ -54,13 +95,13 @@ int ldap_int_put_controls(
}
/* Controls are encoded as a sequence of sequences */
- if( ber_printf( ber, "t{", LDAP_TAG_CONTROLS ) == -1 ) {
+ if( ber_printf( ber, "t{"/*}*/, LDAP_TAG_CONTROLS ) == -1 ) {
ld->ld_errno = LDAP_ENCODING_ERROR;
return ld->ld_errno;
}
for( c = ctrls ; *c != NULL; c++ ) {
- if ( ber_printf( ber, "{s",
+ if ( ber_printf( ber, "{s" /*}*/,
(*c)->ldctl_oid ) == -1 )
{
ld->ld_errno = LDAP_ENCODING_ERROR;
@@ -69,7 +110,7 @@ int ldap_int_put_controls(
if( (*c)->ldctl_iscritical /* only if true */
&& ( ber_printf( ber, "b",
- (*c)->ldctl_iscritical ) == -1 ) )
+ (ber_int_t) (*c)->ldctl_iscritical ) == -1 ) )
{
ld->ld_errno = LDAP_ENCODING_ERROR;
return ld->ld_errno;
@@ -84,14 +125,14 @@ int ldap_int_put_controls(
}
- if( ber_printf( ber, "}" ) == -1 ) {
+ if( ber_printf( ber, /*{*/"N}" ) == -1 ) {
ld->ld_errno = LDAP_ENCODING_ERROR;
return ld->ld_errno;
}
}
- if( ber_printf( ber, "}" ) == -1 ) {
+ if( ber_printf( ber, /*{*/ "}" ) == -1 ) {
ld->ld_errno = LDAP_ENCODING_ERROR;
return ld->ld_errno;
}
@@ -99,16 +140,108 @@ int ldap_int_put_controls(
return LDAP_SUCCESS;
}
-int ldap_int_get_controls LDAP_P((
- BerElement *be,
- LDAPControl ***ctrls ))
+int ldap_pvt_get_controls(
+ BerElement *ber,
+ LDAPControl ***ctrls )
{
- assert( be != NULL );
- assert( ctrls != NULL );
+ int nctrls;
+ ber_tag_t tag;
+ ber_len_t len;
+ char *opaque;
+
+ assert( ber != NULL );
+
+ if( ctrls == NULL ) {
+ return LDAP_SUCCESS;
+ }
+ *ctrls = NULL;
+
+ len = ber_pvt_ber_remaining( ber );
+
+ if( len == 0) {
+ /* no controls */
+ return LDAP_SUCCESS;
+ }
+
+ if(( tag = ber_peek_tag( ber, &len )) != LDAP_TAG_CONTROLS ) {
+ if( tag == LBER_ERROR ) {
+ /* decoding error */
+ return LDAP_DECODING_ERROR;
+ }
+
+ /* ignore unexpected input */
+ return LDAP_SUCCESS;
+ }
+
+ /* set through each element */
+ nctrls = 0;
+ *ctrls = LDAP_MALLOC( 1 * sizeof(LDAPControl *) );
+
+ if( *ctrls == NULL ) {
+ return LDAP_NO_MEMORY;
+ }
+
+ *ctrls[nctrls] = NULL;
+
+ for( tag = ber_first_element( ber, &len, &opaque );
+ tag != LBER_ERROR;
+ tag = ber_next_element( ber, &len, opaque ) )
+ {
+ LDAPControl *tctrl;
+ LDAPControl **tctrls;
- **ctrls = NULL;
+ tctrl = LDAP_CALLOC( 1, sizeof(LDAPControl) );
- return LDAP_NOT_SUPPORTED;
+ /* allocate pointer space for current controls (nctrls)
+ * + this control + extra NULL
+ */
+ tctrls = (tctrl == NULL) ? NULL :
+ LDAP_REALLOC(*ctrls, (nctrls+2) * sizeof(LDAPControl *));
+
+ if( tctrls == NULL ) {
+ /* one of the above allocation failed */
+
+ if( tctrl != NULL ) {
+ LDAP_FREE( tctrl );
+ }
+
+ ldap_controls_free(*ctrls);
+ *ctrls = NULL;
+
+ return LDAP_NO_MEMORY;
+ }
+
+
+ tctrls[nctrls++] = tctrl;
+ tctrls[nctrls] = NULL;
+
+ tag = ber_scanf( ber, "{a" /*}*/, &tctrl->ldctl_oid );
+
+ if( tag == LBER_ERROR ) {
+ *ctrls = NULL;
+ ldap_controls_free( tctrls );
+ return LDAP_DECODING_ERROR;
+ }
+
+ tag = ber_peek_tag( ber, &len );
+
+ if( tag == LBER_BOOLEAN ) {
+ ber_int_t crit;
+ tag = ber_scanf( ber, "b", &crit );
+ tctrl->ldctl_iscritical = crit ? (char) 0 : (char) ~0;
+ tag = ber_peek_tag( ber, &len );
+ }
+
+ if( tag == LBER_OCTETSTRING ) {
+ tag = ber_scanf( ber, "o", &tctrl->ldctl_value );
+ } else {
+ tctrl->ldctl_value.bv_val = NULL;
+ }
+
+ *ctrls = tctrls;
+ }
+
+ return LDAP_SUCCESS;
}
/*
@@ -117,16 +250,20 @@ int ldap_int_get_controls LDAP_P((
void
ldap_control_free( LDAPControl *c )
{
+#ifdef LDAP_MEMORY_DEBUG
+ assert( c != NULL );
+#endif
+
if ( c != NULL ) {
if( c->ldctl_oid != NULL) {
- free( c->ldctl_oid );
+ LDAP_FREE( c->ldctl_oid );
}
if( c->ldctl_value.bv_val != NULL ) {
- free( c->ldctl_value.bv_val );
+ LDAP_FREE( c->ldctl_value.bv_val );
}
- free( c );
+ LDAP_FREE( c );
}
}
@@ -136,21 +273,26 @@ ldap_control_free( LDAPControl *c )
void
ldap_controls_free( LDAPControl **controls )
{
+#ifdef LDAP_MEMORY_DEBUG
+ assert( controls != NULL );
+#endif
+
if ( controls != NULL ) {
- LDAPControl *c;
+ int i;
- for(c = *controls; c != NULL; c++) {
- ldap_control_free( c );
+ for( i=0; controls[i] != NULL; i++) {
+ ldap_control_free( controls[i] );
}
- free( controls );
+ LDAP_FREE( controls );
}
}
/*
* Duplicate an array of LDAPControl
*/
-LDAPControl **ldap_controls_dup( const LDAPControl **controls )
+LDAPControl **
+ldap_controls_dup( LDAPControl *const *controls )
{
LDAPControl **new;
int i;
@@ -167,7 +309,7 @@ LDAPControl **ldap_controls_dup( const LDAPControl **controls )
return NULL;
}
- new = (LDAPControl **) malloc( i * sizeof(LDAPControl *) );
+ new = (LDAPControl **) LDAP_MALLOC( (i+1) * sizeof(LDAPControl *) );
if( new == NULL ) {
/* memory allocation failure */
@@ -192,7 +334,8 @@ LDAPControl **ldap_controls_dup( const LDAPControl **controls )
/*
* Duplicate a LDAPControl
*/
-LDAPControl *ldap_control_dup( const LDAPControl *c )
+LDAPControl *
+ldap_control_dup( const LDAPControl *c )
{
LDAPControl *new;
@@ -200,17 +343,17 @@ LDAPControl *ldap_control_dup( const LDAPControl *c )
return NULL;
}
- new = (LDAPControl *) malloc( sizeof(LDAPControl) );
+ new = (LDAPControl *) LDAP_MALLOC( sizeof(LDAPControl) );
if( new == NULL ) {
return NULL;
}
if( c->ldctl_oid != NULL ) {
- new->ldctl_oid = strdup( c->ldctl_oid );
+ new->ldctl_oid = LDAP_STRDUP( c->ldctl_oid );
if(new->ldctl_oid == NULL) {
- free( new );
+ LDAP_FREE( new );
return NULL;
}
@@ -218,21 +361,24 @@ LDAPControl *ldap_control_dup( const LDAPControl *c )
new->ldctl_oid = NULL;
}
- if( c->ldctl_value.bv_len > 0 ) {
- new->ldctl_value.bv_val = (char *) malloc( c->ldctl_value.bv_len );
+ if( c->ldctl_value.bv_val != NULL ) {
+ new->ldctl_value.bv_val =
+ (char *) LDAP_MALLOC( c->ldctl_value.bv_len + 1 );
if(new->ldctl_value.bv_val == NULL) {
if(new->ldctl_oid != NULL) {
- free( new->ldctl_oid );
+ LDAP_FREE( new->ldctl_oid );
}
- free( new );
+ LDAP_FREE( new );
return NULL;
}
- SAFEMEMCPY( new->ldctl_value.bv_val, c->ldctl_value.bv_val,
+ new->ldctl_value.bv_len = c->ldctl_value.bv_len;
+
+ AC_MEMCPY( new->ldctl_value.bv_val, c->ldctl_value.bv_val,
c->ldctl_value.bv_len );
- new->ldctl_value.bv_len = c->ldctl_value.bv_len;
+ new->ldctl_value.bv_val[new->ldctl_value.bv_len] = '\0';
} else {
new->ldctl_value.bv_len = 0;
@@ -241,4 +387,106 @@ LDAPControl *ldap_control_dup( const LDAPControl *c )
new->ldctl_iscritical = c->ldctl_iscritical;
return new;
-}
\ No newline at end of file
+}
+
+
+LDAPControl *
+ldap_find_control(
+ LDAP_CONST char *oid,
+ LDAPControl **ctrls )
+{
+ if( ctrls == NULL || *ctrls == NULL ) {
+ return NULL;
+ }
+
+ for( ; *ctrls != NULL; ctrls++ ) {
+ if( strcmp( (*ctrls)->ldctl_oid, oid ) == 0 ) {
+ return *ctrls;
+ }
+ }
+
+ return NULL;
+}
+
+/*
+ ldap_create_control
+
+ Internal function to create an LDAP control from the encoded BerElement.
+
+ requestOID (IN) The OID to use in creating the control.
+
+ ber (IN) The encoded BerElement to use in creating the control.
+
+ iscritical (IN) 0 - Indicates the control is not critical to the operation.
+ non-zero - The control is critical to the operation.
+
+ ctrlp (OUT) Returns a pointer to the LDAPControl created. This control
+ SHOULD be freed by calling ldap_control_free() when done.
+---*/
+
+int
+ldap_create_control(
+ LDAP_CONST char *requestOID,
+ BerElement *ber,
+ int iscritical,
+ LDAPControl **ctrlp )
+{
+ LDAPControl *ctrl;
+
+ assert( requestOID != NULL );
+ assert( ber != NULL );
+ assert( ctrlp != NULL );
+
+ ctrl = (LDAPControl *) LDAP_MALLOC( sizeof(LDAPControl) );
+ if ( ctrl == NULL ) {
+ return LDAP_NO_MEMORY;
+ }
+
+ if ( ber_flatten2( ber, &ctrl->ldctl_value, 1 ) == -1 ) {
+ LDAP_FREE( ctrl );
+ return LDAP_NO_MEMORY;
+ }
+
+ ctrl->ldctl_oid = LDAP_STRDUP( requestOID );
+ ctrl->ldctl_iscritical = iscritical;
+
+ if ( requestOID != NULL && ctrl->ldctl_oid == NULL ) {
+ ldap_control_free( ctrl );
+ return LDAP_NO_MEMORY;
+ }
+
+ *ctrlp = ctrl;
+ return LDAP_SUCCESS;
+}
+
+/*
+ * check for critical client controls and bitch if present
+ * if we ever support critical controls, we'll have to
+ * find a means for maintaining per API call control
+ * information.
+ */
+int ldap_int_client_controls( LDAP *ld, LDAPControl **ctrls )
+{
+ LDAPControl *const *c;
+
+ assert( ld != NULL );
+ assert( LDAP_VALID(ld) );
+
+ if( ctrls == NULL ) {
+ /* use default server controls */
+ ctrls = ld->ld_cctrls;
+ }
+
+ if( ctrls == NULL || *ctrls == NULL ) {
+ return LDAP_SUCCESS;
+ }
+
+ for( c = ctrls ; *c != NULL; c++ ) {
+ if( (*c)->ldctl_iscritical ) {
+ ld->ld_errno = LDAP_NOT_SUPPORTED;
+ return ld->ld_errno;
+ }
+ }
+
+ return LDAP_SUCCESS;
+}