2N/A/*
2N/A * CDDL HEADER START
2N/A *
2N/A * The contents of this file are subject to the terms of the
2N/A * Common Development and Distribution License (the "License").
2N/A * You may not use this file except in compliance with the License.
2N/A *
2N/A * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
2N/A * or http://www.opensolaris.org/os/licensing.
2N/A * See the License for the specific language governing permissions
2N/A * and limitations under the License.
2N/A *
2N/A * When distributing Covered Code, include this CDDL HEADER in each
2N/A * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
2N/A * If applicable, add the following below this CDDL HEADER, with the
2N/A * fields enclosed by brackets "[]" replaced with your own identifying
2N/A * information: Portions Copyright [yyyy] [name of copyright owner]
2N/A *
2N/A * CDDL HEADER END
2N/A */
2N/A/*
2N/A * Copyright (c) 2007, 2011, Oracle and/or its affiliates. All rights reserved.
2N/A */
2N/A
2N/A#include <stdlib.h>
2N/A#include <strings.h>
2N/A#include <rpc/xdr.h>
2N/A#include <errno.h>
2N/A#include <syslog.h>
2N/A#include <smbsrv/libsmb.h>
2N/A#include <smbsrv/smb_xdr.h>
2N/A#include <smbsrv/smb_door.h>
2N/A
2N/A
2N/A/*
2N/A * Generic XDR encoder.
2N/A *
2N/A * Returns a malloc'd, encoded buffer upon success.
2N/A * Otherwise, returns NULL.
2N/A */
2N/Achar *
2N/Asmb_common_encode(void *data, xdrproc_t proc, size_t *rsize)
2N/A{
2N/A XDR xdrs;
2N/A char *buf;
2N/A size_t len;
2N/A
2N/A if (proc == NULL || data == NULL || rsize == NULL) {
2N/A syslog(LOG_ERR, "smb_common_encode: invalid parameter");
2N/A return (NULL);
2N/A }
2N/A
2N/A len = xdr_sizeof(proc, data);
2N/A
2N/A if ((buf = malloc(len)) == NULL) {
2N/A syslog(LOG_ERR, "smb_common_encode: %m");
2N/A *rsize = 0;
2N/A return (NULL);
2N/A }
2N/A
2N/A xdrmem_create(&xdrs, buf, len, XDR_ENCODE);
2N/A *rsize = len;
2N/A
2N/A if (!proc(&xdrs, data)) {
2N/A syslog(LOG_DEBUG, "smb_common_encode: encode error");
2N/A free(buf);
2N/A buf = NULL;
2N/A *rsize = 0;
2N/A }
2N/A
2N/A xdr_destroy(&xdrs);
2N/A return (buf);
2N/A}
2N/A
2N/A/*
2N/A * Generic XDR decoder. Ensure that data is non-null and bzero'd.
2N/A */
2N/Aint
2N/Asmb_common_decode(char *buf, size_t len, xdrproc_t proc, void *data)
2N/A{
2N/A XDR xdrs;
2N/A int rc = 0;
2N/A
2N/A if (data == NULL)
2N/A return (-1);
2N/A
2N/A xdrmem_create(&xdrs, buf, len, XDR_DECODE);
2N/A if (!proc(&xdrs, data)) {
2N/A xdr_free(proc, (char *)data);
2N/A rc = -1;
2N/A }
2N/A
2N/A xdr_destroy(&xdrs);
2N/A return (rc);
2N/A}
2N/A
2N/Achar *
2N/Asmb_string_encode(char *s, size_t *rsize)
2N/A{
2N/A smb_string_t obj;
2N/A XDR xdrs;
2N/A char *buf = NULL;
2N/A size_t len;
2N/A
2N/A if ((obj.buf = s) == NULL) {
2N/A syslog(LOG_DEBUG, "smb_string_encode: invalid param");
2N/A goto smb_string_encode_failed;
2N/A }
2N/A
2N/A len = xdr_sizeof(smb_string_xdr, &obj);
2N/A if ((buf = calloc(len, 1)) == NULL) {
2N/A syslog(LOG_DEBUG, "smb_string_encode: %m");
2N/A goto smb_string_encode_failed;
2N/A }
2N/A
2N/A xdrmem_create(&xdrs, buf, len, XDR_ENCODE);
2N/A
2N/A if (!smb_string_xdr(&xdrs, &obj)) {
2N/A syslog(LOG_DEBUG, "smb_string_encode: encode failed");
2N/A xdr_destroy(&xdrs);
2N/A free(buf);
2N/A goto smb_string_encode_failed;
2N/A }
2N/A
2N/A xdr_destroy(&xdrs);
2N/A if (rsize)
2N/A *rsize = len;
2N/A return (buf);
2N/A
2N/Asmb_string_encode_failed:
2N/A if (rsize)
2N/A *rsize = 0;
2N/A return (NULL);
2N/A}
2N/A
2N/Aint
2N/Asmb_string_decode(smb_string_t *obj, char *buf, size_t buflen)
2N/A{
2N/A XDR xdrs;
2N/A int rc = 0;
2N/A
2N/A xdrmem_create(&xdrs, (const caddr_t)buf, buflen, XDR_DECODE);
2N/A
2N/A bzero(obj, sizeof (smb_string_t));
2N/A if (!smb_string_xdr(&xdrs, obj)) {
2N/A xdr_free(smb_string_xdr, (char *)obj);
2N/A rc = -1;
2N/A }
2N/A
2N/A xdr_destroy(&xdrs);
2N/A return (rc);
2N/A}
2N/A
2N/A/*
2N/A * Encode an lsa_account_t into a buffer.
2N/A */
2N/Aint
2N/Alsa_account_encode(lsa_account_t *acct, uint8_t *buf, uint32_t buflen)
2N/A{
2N/A XDR xdrs;
2N/A int rc = 0;
2N/A
2N/A xdrmem_create(&xdrs, (const caddr_t)buf, buflen, XDR_ENCODE);
2N/A
2N/A if (!lsa_account_xdr(&xdrs, acct))
2N/A rc = -1;
2N/A
2N/A xdr_destroy(&xdrs);
2N/A return (rc);
2N/A}
2N/A
2N/A/*
2N/A * Decode an XDR buffer into an lsa_account_t.
2N/A */
2N/Aint
2N/Alsa_account_decode(lsa_account_t *acct, uint8_t *buf, uint32_t buflen)
2N/A{
2N/A XDR xdrs;
2N/A int rc = 0;
2N/A
2N/A xdrmem_create(&xdrs, (const caddr_t)buf, buflen, XDR_DECODE);
2N/A
2N/A bzero(acct, sizeof (lsa_account_t));
2N/A if (!lsa_account_xdr(&xdrs, acct)) {
2N/A xdr_free(lsa_account_xdr, (char *)acct);
2N/A rc = -1;
2N/A }
2N/A
2N/A xdr_destroy(&xdrs);
2N/A return (rc);
2N/A}
2N/A
2N/Abool_t
2N/Alsa_account_xdr(XDR *xdrs, lsa_account_t *objp)
2N/A{
2N/A if (!xdr_uint16_t(xdrs, &objp->a_sidtype))
2N/A return (FALSE);
2N/A if (!xdr_uint32_t(xdrs, &objp->a_status))
2N/A return (FALSE);
2N/A if (!xdr_vector(xdrs, (char *)objp->a_domain, MAXNAMELEN,
2N/A sizeof (char), (xdrproc_t)xdr_char))
2N/A return (FALSE);
2N/A if (!xdr_vector(xdrs, (char *)objp->a_name, MAXNAMELEN,
2N/A sizeof (char), (xdrproc_t)xdr_char))
2N/A return (FALSE);
2N/A if (!xdr_vector(xdrs, (char *)objp->a_sid, SMB_SID_STRSZ,
2N/A sizeof (char), (xdrproc_t)xdr_char))
2N/A return (FALSE);
2N/A return (TRUE);
2N/A}