diff options
Diffstat (limited to 'drivers/staging/lustre/lustre/ptlrpc/gss/gss_rawobj.c')
| -rw-r--r-- | drivers/staging/lustre/lustre/ptlrpc/gss/gss_rawobj.c | 242 |
1 files changed, 0 insertions, 242 deletions
diff --git a/drivers/staging/lustre/lustre/ptlrpc/gss/gss_rawobj.c b/drivers/staging/lustre/lustre/ptlrpc/gss/gss_rawobj.c deleted file mode 100644 index fb298aef66eb..000000000000 --- a/drivers/staging/lustre/lustre/ptlrpc/gss/gss_rawobj.c +++ /dev/null @@ -1,242 +0,0 @@ -/* - * GPL HEADER START - * - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 only, - * as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License version 2 for more details (a copy is included - * in the LICENSE file that accompanied this code). - * - * You should have received a copy of the GNU General Public License - * version 2 along with this program; If not, see - * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf - * - * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, - * CA 95054 USA or visit www.sun.com if you need additional information or - * have any questions. - * - * GPL HEADER END - */ -/* - * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved. - * Use is subject to license terms. - * - * Copyright (c) 2011, Intel Corporation. - */ -/* - * This file is part of Lustre, http://www.lustre.org/ - * Lustre is a trademark of Sun Microsystems, Inc. - * - * lustre/ptlrpc/gss/gss_rawobj.c - * - * Author: Eric Mei <ericm@clusterfs.com> - */ - -#define DEBUG_SUBSYSTEM S_SEC - -#include <linux/mutex.h> - -#include <obd.h> -#include <obd_class.h> -#include <obd_support.h> -#include <lustre_sec.h> - -#include "gss_internal.h" - -int rawobj_empty(rawobj_t *obj) -{ - LASSERT(equi(obj->len, obj->data)); - return (obj->len == 0); -} - -int rawobj_alloc(rawobj_t *obj, char *buf, int len) -{ - LASSERT(obj); - LASSERT(len >= 0); - - obj->len = len; - if (len) { - OBD_ALLOC_LARGE(obj->data, len); - if (!obj->data) { - obj->len = 0; - return -ENOMEM; - } - memcpy(obj->data, buf, len); - } else - obj->data = NULL; - return 0; -} - -void rawobj_free(rawobj_t *obj) -{ - LASSERT(obj); - - if (obj->len) { - LASSERT(obj->data); - OBD_FREE_LARGE(obj->data, obj->len); - obj->len = 0; - obj->data = NULL; - } else - LASSERT(!obj->data); -} - -int rawobj_equal(rawobj_t *a, rawobj_t *b) -{ - LASSERT(a && b); - - return (a->len == b->len && - (!a->len || !memcmp(a->data, b->data, a->len))); -} - -int rawobj_dup(rawobj_t *dest, rawobj_t *src) -{ - LASSERT(src && dest); - - dest->len = src->len; - if (dest->len) { - OBD_ALLOC_LARGE(dest->data, dest->len); - if (!dest->data) { - dest->len = 0; - return -ENOMEM; - } - memcpy(dest->data, src->data, dest->len); - } else - dest->data = NULL; - return 0; -} - -int rawobj_serialize(rawobj_t *obj, __u32 **buf, __u32 *buflen) -{ - __u32 len; - - LASSERT(obj); - LASSERT(buf); - LASSERT(buflen); - - len = cfs_size_round4(obj->len); - - if (*buflen < 4 + len) { - CERROR("buflen %u < %u\n", *buflen, 4 + len); - return -EINVAL; - } - - *(*buf)++ = cpu_to_le32(obj->len); - memcpy(*buf, obj->data, obj->len); - *buf += (len >> 2); - *buflen -= (4 + len); - - return 0; -} - -static int __rawobj_extract(rawobj_t *obj, __u32 **buf, __u32 *buflen, - int alloc, int local) -{ - __u32 len; - - if (*buflen < sizeof(__u32)) { - CERROR("buflen %u\n", *buflen); - return -EINVAL; - } - - obj->len = *(*buf)++; - if (!local) - obj->len = le32_to_cpu(obj->len); - *buflen -= sizeof(__u32); - - if (!obj->len) { - obj->data = NULL; - return 0; - } - - len = local ? obj->len : cfs_size_round4(obj->len); - if (*buflen < len) { - CERROR("buflen %u < %u\n", *buflen, len); - obj->len = 0; - return -EINVAL; - } - - if (!alloc) - obj->data = (__u8 *) *buf; - else { - OBD_ALLOC_LARGE(obj->data, obj->len); - if (!obj->data) { - CERROR("fail to alloc %u bytes\n", obj->len); - obj->len = 0; - return -ENOMEM; - } - memcpy(obj->data, *buf, obj->len); - } - - *((char **)buf) += len; - *buflen -= len; - - return 0; -} - -int rawobj_extract(rawobj_t *obj, __u32 **buf, __u32 *buflen) -{ - return __rawobj_extract(obj, buf, buflen, 0, 0); -} - -int rawobj_extract_alloc(rawobj_t *obj, __u32 **buf, __u32 *buflen) -{ - return __rawobj_extract(obj, buf, buflen, 1, 0); -} - -int rawobj_extract_local(rawobj_t *obj, __u32 **buf, __u32 *buflen) -{ - return __rawobj_extract(obj, buf, buflen, 0, 1); -} - -int rawobj_extract_local_alloc(rawobj_t *obj, __u32 **buf, __u32 *buflen) -{ - return __rawobj_extract(obj, buf, buflen, 1, 1); -} - -int rawobj_from_netobj(rawobj_t *rawobj, netobj_t *netobj) -{ - rawobj->len = netobj->len; - rawobj->data = netobj->data; - return 0; -} - -int rawobj_from_netobj_alloc(rawobj_t *rawobj, netobj_t *netobj) -{ - rawobj->len = 0; - rawobj->data = NULL; - - if (netobj->len == 0) - return 0; - - OBD_ALLOC_LARGE(rawobj->data, netobj->len); - if (rawobj->data == NULL) - return -ENOMEM; - - rawobj->len = netobj->len; - memcpy(rawobj->data, netobj->data, netobj->len); - return 0; -} - -/**************************************** - * misc more * - ****************************************/ - -int buffer_extract_bytes(const void **buf, __u32 *buflen, - void *res, __u32 reslen) -{ - if (*buflen < reslen) { - CERROR("buflen %u < %u\n", *buflen, reslen); - return -EINVAL; - } - - memcpy(res, *buf, reslen); - *buf += reslen; - *buflen -= reslen; - return 0; -} |