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-rw-r--r--libraries/libldap/modify.c233
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diff --git a/libraries/libldap/modify.c b/libraries/libldap/modify.c
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+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1998-2021 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>.
+ */
+/* Portions Copyright (c) 1990 Regents of the University of Michigan.
+ * All rights reserved.
+ */
+
+#include "portable.h"
+
+#include <stdio.h>
+
+#include <ac/socket.h>
+#include <ac/string.h>
+#include <ac/time.h>
+
+#include "ldap-int.h"
+
+/* A modify request/response looks like this:
+ * ModifyRequest ::= [APPLICATION 6] SEQUENCE {
+ * object LDAPDN,
+ * changes SEQUENCE OF change SEQUENCE {
+ * operation ENUMERATED {
+ * add (0),
+ * delete (1),
+ * replace (2),
+ * ... },
+ * modification PartialAttribute } }
+ *
+ * PartialAttribute ::= SEQUENCE {
+ * type AttributeDescription,
+ * vals SET OF value AttributeValue }
+ *
+ * AttributeDescription ::= LDAPString
+ * -- Constrained to <attributedescription> [RFC4512]
+ *
+ * AttributeValue ::= OCTET STRING
+ *
+ * ModifyResponse ::= [APPLICATION 7] LDAPResult
+ *
+ * (Source: RFC 4511)
+ */
+
+BerElement *
+ldap_build_modify_req(
+ LDAP *ld,
+ LDAP_CONST char *dn,
+ LDAPMod **mods,
+ LDAPControl **sctrls,
+ LDAPControl **cctrls,
+ ber_int_t *msgidp )
+{
+ BerElement *ber;
+ int i, rc;
+
+ /* create a message to send */
+ if ( (ber = ldap_alloc_ber_with_options( ld )) == NULL ) {
+ return( NULL );
+ }
+
+ LDAP_NEXT_MSGID( ld, *msgidp );
+ rc = ber_printf( ber, "{it{s{" /*}}}*/, *msgidp, LDAP_REQ_MODIFY, dn );
+ if ( rc == -1 ) {
+ ld->ld_errno = LDAP_ENCODING_ERROR;
+ ber_free( ber, 1 );
+ return( NULL );
+ }
+
+ /* allow mods to be NULL ("touch") */
+ if ( mods ) {
+ /* for each modification to be performed... */
+ for ( i = 0; mods[i] != NULL; i++ ) {
+ if (( mods[i]->mod_op & LDAP_MOD_BVALUES) != 0 ) {
+ rc = ber_printf( ber, "{e{s[V]N}N}",
+ (ber_int_t) ( mods[i]->mod_op & ~LDAP_MOD_BVALUES ),
+ mods[i]->mod_type, mods[i]->mod_bvalues );
+ } else {
+ rc = ber_printf( ber, "{e{s[v]N}N}",
+ (ber_int_t) mods[i]->mod_op,
+ mods[i]->mod_type, mods[i]->mod_values );
+ }
+
+ if ( rc == -1 ) {
+ ld->ld_errno = LDAP_ENCODING_ERROR;
+ ber_free( ber, 1 );
+ return( NULL );
+ }
+ }
+ }
+
+ if ( ber_printf( ber, /*{{*/ "N}N}" ) == -1 ) {
+ ld->ld_errno = LDAP_ENCODING_ERROR;
+ ber_free( ber, 1 );
+ return( NULL );
+ }
+
+ /* Put Server Controls */
+ if( ldap_int_put_controls( ld, sctrls, ber ) != LDAP_SUCCESS ) {
+ ber_free( ber, 1 );
+ return( NULL );
+ }
+
+ if ( ber_printf( ber, /*{*/ "N}" ) == -1 ) {
+ ld->ld_errno = LDAP_ENCODING_ERROR;
+ ber_free( ber, 1 );
+ return( NULL );
+ }
+
+ return( ber );
+}
+
+/*
+ * ldap_modify_ext - initiate an ldap extended modify operation.
+ *
+ * Parameters:
+ *
+ * ld LDAP descriptor
+ * dn DN of the object to modify
+ * mods List of modifications to make. This is null-terminated
+ * array of struct ldapmod's, specifying the modifications
+ * to perform.
+ * sctrls Server Controls
+ * cctrls Client Controls
+ * msgidp Message ID pointer
+ *
+ * Example:
+ * LDAPMod *mods[] = {
+ * { LDAP_MOD_ADD, "cn", { "babs jensen", "babs", 0 } },
+ * { LDAP_MOD_REPLACE, "sn", { "babs jensen", "babs", 0 } },
+ * { LDAP_MOD_DELETE, "ou", 0 },
+ * { LDAP_MOD_INCREMENT, "uidNumber, { "1", 0 } }
+ * 0
+ * }
+ * rc= ldap_modify_ext( ld, dn, mods, sctrls, cctrls, &msgid );
+ */
+int
+ldap_modify_ext( LDAP *ld,
+ LDAP_CONST char *dn,
+ LDAPMod **mods,
+ LDAPControl **sctrls,
+ LDAPControl **cctrls,
+ int *msgidp )
+{
+ BerElement *ber;
+ int rc;
+ ber_int_t id;
+
+ Debug( LDAP_DEBUG_TRACE, "ldap_modify_ext\n", 0, 0, 0 );
+
+ /* check client controls */
+ rc = ldap_int_client_controls( ld, cctrls );
+ if( rc != LDAP_SUCCESS ) return rc;
+
+ ber = ldap_build_modify_req( ld, dn, mods, sctrls, cctrls, &id );
+ if( !ber )
+ return ld->ld_errno;
+
+ /* send the message */
+ *msgidp = ldap_send_initial_request( ld, LDAP_REQ_MODIFY, dn, ber, id );
+ return( *msgidp < 0 ? ld->ld_errno : LDAP_SUCCESS );
+}
+
+/*
+ * ldap_modify - initiate an ldap modify operation.
+ *
+ * Parameters:
+ *
+ * ld LDAP descriptor
+ * dn DN of the object to modify
+ * mods List of modifications to make. This is null-terminated
+ * array of struct ldapmod's, specifying the modifications
+ * to perform.
+ *
+ * Example:
+ * LDAPMod *mods[] = {
+ * { LDAP_MOD_ADD, "cn", { "babs jensen", "babs", 0 } },
+ * { LDAP_MOD_REPLACE, "sn", { "babs jensen", "babs", 0 } },
+ * { LDAP_MOD_DELETE, "ou", 0 },
+ * { LDAP_MOD_INCREMENT, "uidNumber, { "1", 0 } }
+ * 0
+ * }
+ * msgid = ldap_modify( ld, dn, mods );
+ */
+int
+ldap_modify( LDAP *ld, LDAP_CONST char *dn, LDAPMod **mods )
+{
+ int rc, msgid;
+
+ Debug( LDAP_DEBUG_TRACE, "ldap_modify\n", 0, 0, 0 );
+
+ rc = ldap_modify_ext( ld, dn, mods, NULL, NULL, &msgid );
+
+ if ( rc != LDAP_SUCCESS )
+ return -1;
+
+ return msgid;
+}
+
+int
+ldap_modify_ext_s( LDAP *ld, LDAP_CONST char *dn,
+ LDAPMod **mods, LDAPControl **sctrl, LDAPControl **cctrl )
+{
+ int rc;
+ int msgid;
+ LDAPMessage *res;
+
+ rc = ldap_modify_ext( ld, dn, mods, sctrl, cctrl, &msgid );
+
+ if ( rc != LDAP_SUCCESS )
+ return( rc );
+
+ if ( ldap_result( ld, msgid, LDAP_MSG_ALL, (struct timeval *) NULL, &res ) == -1 || !res )
+ return( ld->ld_errno );
+
+ return( ldap_result2error( ld, res, 1 ) );
+}
+
+int
+ldap_modify_s( LDAP *ld, LDAP_CONST char *dn, LDAPMod **mods )
+{
+ return ldap_modify_ext_s( ld, dn, mods, NULL, NULL );
+}
+