adr.c revision d0fa49b78d1f40d84ec76c363cdc38cf128511dd
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2008 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/*
* Adr memory based encoding
*/
#include <sys/types.h>
#include <bsm/audit.h>
#include <bsm/libbsm.h>
#include <bsm/audit_record.h>
void
adr_start(adr_t *adr, char *p)
{
adr->adr_stream = p;
adr->adr_now = p;
}
int
adr_count(adr_t *adr)
{
return (((intptr_t)adr->adr_now) - ((intptr_t)adr->adr_stream));
}
/*
* adr_char - pull out characters
*/
void
adr_char(adr_t *adr, char *cp, int count)
{
while (count-- > 0)
*adr->adr_now++ = *cp++;
}
/*
* adr_short - pull out shorts
*/
void
adr_short(adr_t *adr, short *sp, int count)
{
for (; count-- > 0; sp++) {
*adr->adr_now++ = (char)((*sp >> 8) & 0x00ff);
*adr->adr_now++ = (char)(*sp & 0x00ff);
}
}
/*
* adr_ushort - pull out ushorts
*/
void
adr_ushort(adr_t *adr, ushort_t *sp, int count)
{
for (; count-- > 0; sp++) {
*adr->adr_now++ = (char)((*sp >> 8) & 0x00ff);
*adr->adr_now++ = (char)(*sp & 0x00ff);
}
}
/*
* adr_int32 - pull out uint32
*/
#pragma weak adr_long = adr_int32
void
adr_long(adr_t *adr, int32_t *lp, int count);
void
adr_int32(adr_t *adr, int32_t *lp, int count)
{
int i; /* index for counting */
uint32_t l; /* value for shifting */
for (; count-- > 0; lp++) {
for (i = 0, l = *(uint32_t *)lp; i < 4; i++) {
*adr->adr_now++ =
(char)((uint32_t)(l & 0xff000000) >> 24);
l <<= 8;
}
}
}
/*
* adr_uid
*/
void
adr_uid(adr_t *adr, uid_t *up, int count)
{
int i; /* index for counting */
uid_t l; /* value for shifting */
for (; count-- > 0; up++) {
for (i = 0, l = *(uint32_t *)up; i < 4; i++) {
*adr->adr_now++ =
(char)((uint32_t)(l & 0xff000000) >> 24);
l <<= 8;
}
}
}
/*
* adr_int64 - pull out uint64_t
*/
void
adr_int64(adr_t *adr, int64_t *lp, int count)
{
int i; /* index for counting */
uint64_t l; /* value for shifting */
for (; count-- > 0; lp++) {
for (i = 0, l = *(uint64_t *)lp; i < 8; i++) {
*adr->adr_now++ = (char)
((uint64_t)(l & 0xff00000000000000ULL) >> 56);
l <<= 8;
}
}
}