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wdutils.c
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wdutils.c
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/*
* Copyright (c) 2013-2016 Dan Lukes
* Linux specific code (c) 2016 Marc Chalain
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the copyright holder nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
#include <sys/ioctl.h>
#include <sys/types.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <inttypes.h>
#include <fcntl.h>
#include <err.h>
#include <getopt.h>
#include <assert.h>
#include <iconv.h>
#include <arpa/inet.h>
#include <termios.h>
#ifdef __FreeBSD__
#include <sha256.h>
#include <cam/scsi/scsi_message.h>
#include <camlib.h>
#define SCSI_DIR_IN CAM_DIR_IN
#define SCSI_DIR_OUT CAM_DIR_OUT
typedef struct cam_device scsi_device;
#endif
#ifndef max
#define max(a,b) ((a)>(b)?(a):(b))
#endif
#ifndef min
#define min(a,b) ((a)<(b)?(a):(b))
#endif
#ifdef __linux__
#include <openssl/sha.h>
#include <errno.h>
#include <scsi/sg.h>
#include <sys/ioctl.h>
#define restrict __restrict
#define __restrict const
#define SCSI_DIR_IN 0x01
#define SCSI_DIR_OUT 0x02
typedef struct
{
int fd;
} scsi_device;
int arc4random_buf(char *buf, int size)
{
int fd = open("/dev/random", O_RDONLY);
size -= read(fd, buf, size);
close(fd);
return size;
}
#endif
static int scsicmd(scsi_device *device, char *cdb, int cdb_len, u_int32_t flags, u_int8_t * data_ptr, ssize_t * data_bytes);
static size_t
chconv(const char *fromcode, const char *tocode, const char *inbuf, size_t * insize,
char *outbuf, size_t * outsize)
{
size_t cc;
static iconv_t cd = (iconv_t) (-1);
cd = iconv_open(tocode, fromcode);
if (cd == (iconv_t) (-1)) {
return -1;
}
cc = iconv(cd, (char**)&inbuf, insize, &outbuf, outsize);
iconv_close(cd);
return cc;
}
static void
hexdump(const void *ptr, int length, const char *hdr)
{
int i, j, k;
int cols = 16;
const unsigned char *cp;
char delim = ' ';
if (hdr != NULL)
printf("%s\n", hdr);
cp = ptr;
for (i = 0; i < length; i+= cols) {
printf("%04x ", i);
for (j = 0; j < cols; j++) {
k = i + j;
if (k < length)
printf("%c%02x", delim, cp[k]);
else
printf(" ");
}
printf(" |");
for (j = 0; j < cols; j++) {
k = i + j;
if (k >= length)
printf(" ");
else if (cp[k] >= ' ' && cp[k] <= '~')
printf("%c", cp[k]);
else
printf(".");
}
printf("|");
printf("\n");
}
}
struct sHandyStoreDescr {
int isValid;
int LastHandyBlockAddress;
int BlockLength;
short unsigned int reserved1;
short unsigned int MaximumTransferLength;
};
static int
GetHandyStoreSize(scsi_device *device, struct sHandyStoreDescr *h)
{
char cdb [] = {0xD5, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00};
int cc;
static unsigned char sector[512];
ssize_t ssector = sizeof(sector);
h->isValid = 0;
cc = scsicmd(device, cdb, sizeof(cdb), SCSI_DIR_IN, sector, &ssector);
if (h != NULL) {
h->LastHandyBlockAddress = ntohl(*(uint32_t *) (sector + 0));
h->BlockLength = ntohl(*(uint32_t *) (sector + 4));
h->reserved1 = ntohs(*(uint16_t *) (sector + 8));
h->MaximumTransferLength = ntohs(*(uint16_t *) (sector + 10));
h->isValid = 1;
}
//hexdump(sector, ssector, NULL);
return cc;
}
static int
ReadHandyStore(scsi_device *device, int page, unsigned char *sector, ssize_t * ssector)
{
char cdb [] = {0xD8, 0x00,
0x00, 0x00, 0x00, 0x0F,
0x00, 0x00, 0x01, 0x00};
int cc;
*(uint32_t *) (cdb + 2) = htonl(page);
cc = scsicmd(device, cdb, sizeof(cdb), SCSI_DIR_IN, sector, ssector);
return cc;
}
static unsigned char
HSBChecksum(unsigned char *sect)
{
unsigned char cl = 0;
int i;
for (i = cl = 0; i < 510; i++) {
cl += sect[i];
};
cl += sect[0]; // Some WD Utils count sect[0] twice, some not ...
return (-cl) & 0xFF;
}
enum {
HandStoreSecurityBlock = 1,
HandStoreUserSettingBlock = 2
};
struct sHandyStoreB1 {
uint8_t isValid;
uint8_t Signature[4];
uint8_t reserved1[4];
int IterationCount;
char Salt [2 * (4 + 1)];
uint8_t reserved2[4];
char hint [2 * (101 + 1)];
uint8_t reserved3[285];
uint8_t checksum;
};
static int
ReadHandyStoreBlock1(scsi_device *device, struct sHandyStoreB1 *h)
{
int cc;
const char Signature[4] = {0x00, 0x01, 'D', 'W'};
static unsigned char sector[512];
ssize_t ssector = sizeof(sector);
cc = ReadHandyStore(device, HandStoreSecurityBlock, sector, &ssector);
if (cc != 0)
return cc;
if (HSBChecksum(sector) != sector[511]) {
warnx("Wrong HSB1 checksum");
return 1;
}
if (memcmp(Signature, sector, 4) != 0) {
warnx("Wrong HSB1 signature ");
return 1;
}
if (h != NULL) {
size_t ol;
memcpy(h->Signature, sector + 0, 4);
memcpy(h->reserved1, sector + 4, 4);
h->IterationCount = *(uint32_t *) (sector + 8);
ol = sizeof(h->Salt);
memcpy(h->Salt, sector + 12, 2 * 4);
h->Salt[2 * 4] = h->Salt[2 * 4 + 1] = '\0';
memcpy(h->reserved2, sector + 20, 4);
memcpy(h->hint, sector + 24, 2 * 101);
h->hint[2 * 101] = h->hint[2 * 101 + 1] = '\0';
memcpy(h->reserved3, sector + 226, 285);
h->checksum = sector[511];
}
//hexdump(sector, ssector, NULL);
return cc;
}
static void
print_HDBlock1(FILE * fp, struct sHandyStoreB1 *h)
{
char out [202];
size_t il , ol, cc;
if (h->isValid == 0)
return;
fprintf(fp, "IterationCount=%d\n", h->IterationCount);
il = 2 * 4;
ol = sizeof(out);
memset(out, 0, sizeof(out));
cc = chconv("UCS-2LE", "ASCII//IGNORE", h->Salt, &il, out, &ol);
fprintf(fp, "Salt='%s'\n", out);
il = 2 * 101;
ol = sizeof(out);
memset(out, 0, sizeof(out));
cc = chconv("UCS-2LE", "ASCII//IGNORE", h->hint, &il, out, &ol);
fprintf(fp, "Hint='%s'\n", out);
}
struct sHandyStoreB2 {
uint8_t isValid;
uint8_t Signature[4];
uint8_t reserved1[4];
uint8_t Label [64];
uint8_t reserved[439];
uint8_t checksum;
};
static int
ReadHandyStoreBlock2(scsi_device *device, struct sHandyStoreB2 *h)
{
int cc;
const char Signature[4] = {0x00, 0x02, 'D', 'W'};
static unsigned char sector[512];
ssize_t ssector = sizeof(sector);
cc = ReadHandyStore(device, HandStoreUserSettingBlock, sector, &ssector);
if (cc != 0)
return cc;
if (HSBChecksum(sector) != sector[511]) {
warnx("Wrong HSB2 checksum");
return 1;
}
if (memcmp(Signature, sector, 4) != 0) {
warnx("Wrong HSB2 signature ");
return 1;
}
if (h != NULL) {
memcpy(h->Signature, sector + 0, 4);
memcpy(h->reserved1, sector + 4, 4);
memcpy(h->Label, sector + 8, 64);
memcpy(h->reserved, sector + 72, 439);
h->checksum = sector[511];
}
//hexdump(sector, ssector, NULL);
return cc;
}
static void
print_HDBlock2(FILE * fp, struct sHandyStoreB2 *h)
{
char out [32 + 1];
size_t il , ol, cc;
if (h->isValid == 0)
return;
il = 2 * 32;
ol = sizeof(out);
memset(out, 0, sizeof(out));
cc = chconv("UCS-2LE", "ASCII//IGNORE", h->Label, &il, out, &ol);
fprintf(fp, "Label='%s'\n", out);
}
static int
WriteHandyStore(scsi_device *device, int page, unsigned char *sector, ssize_t ssector)
{
char cdb [] = {0xDA, 0x00,
0x00, 0x00, 0x00, 0x0F,
0x00, 0x00, 0x01, 0x00};
int cc;
*(uint32_t *) (cdb + 2) = htonl(page);
*(uint16_t *) (cdb + 7) = htons(ssector/512);
cc = scsicmd(device, cdb, sizeof(cdb), SCSI_DIR_OUT, sector, &ssector);
return cc;
}
struct sEncryptionStatus {
uint8_t isValid;
uint8_t Signature;
uint8_t reserved1[2];
uint8_t SecurityState;
uint8_t CurrentCipherID;
uint8_t reserved2;
short int PasswordLength;
uint8_t KeyResetEnabler[4];
uint8_t reserved3[3];
uint8_t NumberOfCiphers;
uint8_t CipherList[16];
};
static int
GetEncryptionStatus(scsi_device *device, struct sEncryptionStatus *e)
{
char cdb [] = {0xC0, 0x45,
0x00, 0x00, 0x00, 0x00,
0x00,
0x00, 0x30,
0x00};
int cc;
static unsigned char sector[512];
ssize_t ssector = sizeof(sector);
e->isValid = 0;
cc = scsicmd(device, cdb, sizeof(cdb), SCSI_DIR_IN, sector, &ssector);
if (cc != 0)
return cc;
if (sector[0] != 0x45) {
warnx("Wrong encryption status signature %X", (int)sector[0]);
return 1;
}
if (e != NULL) {
e->Signature = sector[0];
e->reserved1[0] = sector[1];
e->reserved1[1] = sector[2];
e->SecurityState = sector[3];
e->CurrentCipherID = sector[4];
e->reserved2 = sector[5];
e->PasswordLength = ntohs(*(uint16_t *) (sector + 6));
memcpy(e->KeyResetEnabler, sector + 8, 4);
memcpy(e->reserved3, sector + 12, 3);
e->NumberOfCiphers = sector[15];
memset(e->CipherList, 0, sizeof(e->CipherList));
memcpy(e->CipherList, sector + 16, max(e->NumberOfCiphers, sizeof(e->CipherList)));
e->isValid = 1;
}
//hexdump(sector, ssector, NULL);
return cc;
}
static void
mkPasswordBlock(unsigned char *pwblock, char *Salt, int IterationCount, char *password, int passwordlen)
{
SHA256_CTX ctx;
int i;
char pw [512];
int pwlen = 0;
for (i = 0; i < 4; i++) {
if (Salt[2 * i] == '\0' && Salt[2 * i + 1] == '\0') {
break;
}
pw[2 * i] = Salt[2 * i];
pw[2 * i + 1] = Salt[2 * i + 1];
};
pwlen = i;
for (i = 0; i < passwordlen / 2; i++) {
if (password[2 * i] == '\0' && password[2 * i + 1] == '\0') {
break;
}
pw[2 * (i + pwlen)] = password[2 * i];
pw[2 * (i + pwlen) + 1] = password[2 * i + 1];
};
pwlen += i;
SHA256_Init(&ctx);
SHA256_Update(&ctx, pw, 2 * pwlen);
SHA256_Final(pwblock, &ctx);
for (i = 1; i < IterationCount; i++) {
SHA256_Init(&ctx);
SHA256_Update(&ctx, pwblock, 32);
SHA256_Final(pwblock, &ctx);
}
}
static int
Unlock(scsi_device *device, char *password, int passwordlen)
{
struct sEncryptionStatus e = {.isValid = 0}, enew = {.isValid = 0};
struct sHandyStoreB1 h = {.isValid = 0};
unsigned char pwblock[8 + 32];
ssize_t pwblen;
char cdb [] = {0xC1, 0xE1,
0x00, 0x00, 0x00, 0x00,
0x00,
0x00, 0x28,
0x00};
int cc;
// hexdump(password, passwordlen, "Password ");
cc = GetEncryptionStatus(device, &e);
if (e.SecurityState != 1 || password == NULL || passwordlen <= 0)
return e.SecurityState;
switch (e.CurrentCipherID) {
case 0x10:
case 0x12:
case 0x18:
pwblen = 16;
break;
case 0x20:
case 0x22:
case 0x28:
pwblen = 32;
break;
case 0x30:
pwblen = 32;
break;
default:
warnx("Unsupported cipher 0x%02X", e.CurrentCipherID);
return e.SecurityState;
}
cc = ReadHandyStoreBlock1(device, &h);
if ( cc != 0) {
size_t il, ol;
warnx("Unreadable HSB#1 (cc=%d), trying default", cc);
h.IterationCount=1000;
il = 4;
ol = 8;
cc = chconv("ASCII", "UCS-2LE", "WDC.", &il, h.Salt, &ol);
}
memset(pwblock, 0, 8);
mkPasswordBlock(pwblock + 8, h.Salt, h.IterationCount, password, passwordlen);
pwblock[0 + 0] = 0x45;
*((uint16_t *) (pwblock + 4 + 2)) = htons(pwblen);
pwblen += 8;
cdb[8] = pwblen;
// hexdump(cdb, sizeof(cdb), "CDB ");
// hexdump(pwblock, pwblen, "PWB ");
cc = scsicmd(device, cdb, sizeof(cdb), SCSI_DIR_OUT, pwblock, &pwblen);
//if (cc != 0)
//return cc;
cc = GetEncryptionStatus(device, &enew);
//warnx("SecurityState %d->%d", e.SecurityState, enew.SecurityState);
return enew.SecurityState;
}
static int
ChangePassword(scsi_device *device, char *oldpassword, int oldpasswordlen, char *newpassword, int newpasswordlen)
{
struct sEncryptionStatus e = {.isValid = 0}, enew = {.isValid = 0};
struct sHandyStoreB1 h = {.isValid = 0};
unsigned char pwblock[4 + 4 + 2 * (32)];
ssize_t pwblen;
char cdb [] = {0xC1, 0xE2,
0x00, 0x00, 0x00, 0x00,
0x00,
0x00, 0x48,
0x00};
int cc;
//hexdump(oldpassword, oldpasswordlen, "OldPassword ");
//hexdump(newpassword, newpasswordlen, "NewPassword ");
cc = GetEncryptionStatus(device, &e);
if (1 == 0 && e.SecurityState != 0 && e.SecurityState != 2)
return e.SecurityState;
switch (e.CurrentCipherID) {
case 0x10:
case 0x12:
case 0x18:
pwblen = 16;
break;
case 0x20:
case 0x22:
case 0x28:
pwblen = 32;
break;
case 0x30:
pwblen = 32;
break;
default:
warnx("Unsupported cipher 0x%02X", e.CurrentCipherID);
return e.SecurityState;
}
if ((oldpassword == NULL || oldpasswordlen <= 0) && (newpassword == NULL || newpasswordlen <= 0)) {
//No change, return current status
return e.SecurityState;
}
cc = ReadHandyStoreBlock1(device, &h);
if ( cc != 0) {
size_t il, ol;
warnx("Unreadable HSB#1 (cc=%d), trying default", cc);
h.IterationCount=1000;
il = 4;
ol = 8;
cc = chconv("ASCII", "UCS-2LE", "WDC.", &il, h.Salt, &ol);
}
memset(pwblock, 0, sizeof(pwblock));
pwblock[0] = 0x45;
*((uint16_t *) (pwblock + 4 + 2)) = htons(pwblen);
if (oldpassword != NULL && oldpasswordlen > 0) {
mkPasswordBlock(pwblock + 4 + 4, h.Salt, h.IterationCount, oldpassword, oldpasswordlen);
pwblock[3] |= 0x10;
}
if (newpassword != NULL && newpasswordlen > 0) {
mkPasswordBlock(pwblock + 4 + 4 + 32, h.Salt, h.IterationCount, newpassword, newpasswordlen);
pwblock[3] |= 0x01;
}
if ((pwblock[3] & 0x11) == 0x11)
pwblock[3] &= 0xEE;
pwblen = 4 + 4 + 2 * pwblen;
cdb[8] = pwblen;
// hexdump(cdb, sizeof(cdb), "CDB ");
// hexdump(pwblock, pwblen, "PWB ");
cc = scsicmd(device, cdb, sizeof(cdb), SCSI_DIR_OUT, pwblock, &pwblen);
//if (cc != 0)
//return cc;
cc = GetEncryptionStatus(device, &enew);
//warnx("SecurityState %d->%d", e.SecurityState, enew.SecurityState);
return enew.SecurityState;
}
static int
SecureErase(scsi_device *device, unsigned char CipherID, off_t ksize, char *key)
{
struct sEncryptionStatus e = {.isValid = 0}, enew = {.isValid = 0};
struct sHandyStoreB1 h = {.isValid = 0};
unsigned char pwblock[4 + 4 + 32];
ssize_t pwblen;
char cdb [] = {0xC1, 0xE3,
0x00, 0x00, 0x00, 0x00,
0x00,
0x00, 0x28,
0x00};
int cc;
cc = GetEncryptionStatus(device, &e);
if (e.isValid == 0) {
warnx("Failed to get current EncryptionStatus");
return -1;
};
if (CipherID == 0)
CipherID = e.CurrentCipherID;
memcpy(cdb + 2, e.KeyResetEnabler, 4);
cc = ReadHandyStoreBlock1(device, &h);
if ( cc != 0) {
size_t il, ol;
warnx("Unreadable HSB#1 (cc=%d), trying default", cc);
h.IterationCount=1000;
il = 4;
ol = 8;
cc = chconv("ASCII", "UCS-2LE", "WDC.", &il, h.Salt, &ol);
}
memset(pwblock, 0, sizeof(pwblock));
pwblock[0 + 0] = 0x45;
switch (CipherID) {
case 0x10:
case 0x12:
case 0x18:
pwblen = 16;
pwblock[0 + 3] = 0x01;
break;
case 0x20:
case 0x22:
case 0x28:
pwblen = 32;
pwblock[0 + 3] = 0x01;
break;
case 0x30:
pwblen = 0;
pwblock[0 + 3] = 0x00;
break;
default:
warnx("Unsupported cipher 0x%02X", CipherID);
return e.SecurityState;
}
pwblock[4 + 0] = CipherID;
//New Cipher ID
* ((uint16_t *) (pwblock + 4 + 2)) = htons(pwblen * 8);
arc4random_buf(pwblock + 4 + 4, pwblen);
if (pwblen>0) {
if (key != NULL && ksize > 0) {
if (ksize != pwblen) {
warnx("Incorrect key length (%ldB required, %ldB supplied)", pwblen, ksize);
return e.SecurityState;
}
memmove(pwblock + 4 + 4, key, pwblen);
} else {
arc4random_buf(pwblock + 4 + 4, pwblen);
}
}
pwblen += 8;
//add header length
cdb[8] = pwblen;
// hexdump(cdb, sizeof(cdb), "CDB ");
// hexdump(pwblock, pwblen, "PWB ");
cc = scsicmd(device, cdb, sizeof(cdb), SCSI_DIR_OUT, pwblock, &pwblen);
//if (cc != 0)
//return cc;
cc = GetEncryptionStatus(device, &enew);
//warnx("SecurityState %d->%d", e.SecurityState, enew.SecurityState);
return enew.isValid == 0 ? -1 : enew.SecurityState;
}
static int
StrtocID(char *n)
{
if (n == NULL)
return -1;
if (strcmp(n, "AES_128_ECB") == 0)
return 0x10;
else if (strcmp(n, "AES_128_CBC") == 0)
return 0x12;
else if (strcmp(n, "AES_128_XTS") == 0)
return 0x18;
else if (strcmp(n, "AES_256_ECB") == 0)
return 0x20;
else if (strcmp(n, "AES_256_CBC") == 0)
return 0x22;
else if (strcmp(n, "AES_256_XTS") == 0)
return 0x28;
else if (strcmp(n, "FDE") == 0)
return 0x30;
else
return -1;
}
static char *
cIDtoStr(int CipherID)
{
switch (CipherID) {
case 0x10:
return "AES_128_ECB";
case 0x12:
return "AES_128_CBC";
case 0x18:
return "AES_128_XTS";
case 0x20:
return "AES_256_ECB";
case 0x22:
return "AES_256_CBC";
case 0x28:
return "AES_256_XTS";
case 0x30:
return "FDE";
default:
return "unknown";
}
}
static char *
eIDtoStr(int SecurityStatus)
{
switch (SecurityStatus) {
case 0x00:
return "No lock";
case 0x01:
return "Locked";
case 0x02:
return "Unlocked";
case 0x06:
return "Locked, unlock blocked";
case 0x07:
return "No keys";
default:
return "unknown";
}
}
static void
print_EncryptionStatus(FILE * fp, struct sEncryptionStatus *e)
{
int i;
if (e->isValid == 0)
return;
fprintf(fp, "SecurityState=%d (%s), CurrentCipherID=%02X (%s)\n",
(int)e->SecurityState, eIDtoStr((int)e->SecurityState), (int)e->CurrentCipherID, cIDtoStr((int)e->CurrentCipherID));
fprintf(fp, "PasswordLength = %d\n",
(int)e->PasswordLength);
fprintf(fp, "KeyResetEnabler = %02X %02X %02X %02X\n",
(int)e->KeyResetEnabler[0], (int)e->KeyResetEnabler[1], (int)e->KeyResetEnabler[2], (int)e->KeyResetEnabler[3]);
fprintf(fp, "%d supported ciphers:", e->NumberOfCiphers);
for (i = 0; i < e->NumberOfCiphers; i++)
fprintf(fp, " %02X (%s)", (int)e->CipherList[i], cIDtoStr((int)e->CipherList[i]));
fprintf(fp, "\n");
}
static int
ModeSense(scsi_device *device, unsigned char PageCode, unsigned char SubpageCode, unsigned char PageControl, int dbd, unsigned char *data, unsigned char *datalen)
{
ssize_t dlen;
char cdb [] = {0x1A, 0x00, 0x00, 0x00, 0x00, 0x00};
int cc;
unsigned char *mp;
ssize_t mlen;
if (dbd != 0)
cdb[1] |= 0x10;
cdb[2] = ((PageControl & 0x03) << 6) | (PageCode & 0x3F);
cdb[3] = SubpageCode;
dlen = cdb[4] = *datalen;
//hexdump(cdb, sizeof(cdb), "CDB ");
*datalen = 0;
cc = scsicmd(device, cdb, sizeof(cdb), SCSI_DIR_IN, data, &dlen);
if (cc != 0)
return cc;
dlen = data[0] + 1;
// hexdump(data, dlen, "MSR ");
mp = data + 4 + data[3];
mlen = dlen - 4 - data[3];
memcpy(data, mp, mlen);
*datalen = mlen;
//hexdump(data, *datalen, "MSE ");
return cc;
}
enum {
kPOWERCONDITIONPAGE = 0x1A,
kMODEDEVICECONFIGURATIONPAGE = 0x20,
kMODEOPERATIONSPAGE = 0x21
};
enum {
kMODE_SENSE_CURRENT_VALUES = 0x00,
kMODE_SENSE_CHANGEABLE_VALUES = 0x01,
kMODE_SENSE_DEFAULT_VALUES = 0x02,
kMODE_SENSE_SAVED_VALUES = 0x03
};
#define UInt8 unsigned int
struct sDeviceConfigurationPage {
UInt8 pageCode:6;
UInt8 reserved1:1;
UInt8 ParamSavable:1;
UInt8 pageLength:8;
UInt8 signature:8;
UInt8 reserved2:8;
UInt8 DisableSES:1;
UInt8 DisableCDROM:1;
UInt8 reserved3:5;
UInt8 DisableAP:1;
UInt8 DisableWhiteList:1;
UInt8 TwoTBLimit:1;
UInt8 reserved4:6;
UInt8 reserved5:8;
UInt8 reserved6:8;
};
static inline char *
btos(int b)
{
return (b & 0x01) == 0 ? "false" : "true";
};
static inline char *
btof(int b)
{
return (b & 0x01) == 0 ? "ro" : "rw";
};
static int
GetDeviceConfigurationPage(scsi_device *device, struct sDeviceConfigurationPage *sdcp, struct sDeviceConfigurationPage *s2)
{
unsigned char data[127];
unsigned char datalen = sizeof(data);
int cc1 , cc2;
cc1 = ModeSense(device, kMODEDEVICECONFIGURATIONPAGE, 0, kMODE_SENSE_CURRENT_VALUES, 1, data, &datalen);
memset(sdcp, 0, sizeof(*sdcp));
memcpy(sdcp, data, min(datalen, sizeof(*sdcp)));
if (s2 != NULL) {
datalen = sizeof(data);
cc2 = ModeSense(device, kMODEDEVICECONFIGURATIONPAGE, 0, kMODE_SENSE_CHANGEABLE_VALUES, 1, data, &datalen);
memset(s2, 0, sizeof(*s2));
memcpy(s2, data, min(datalen, sizeof(*s2)));
}
return cc1;
};
static void
print_SDCP(FILE * fp, struct sDeviceConfigurationPage *s, struct sDeviceConfigurationPage *r)
{
fprintf(fp, "-- MODE PAGE 0x%02X, length=%d\n",
(int)s->pageCode, (int)s->pageLength);
fprintf(fp, "ParamSavable = %s\n", btos(s->ParamSavable));
if (r->reserved1 != 0)
fprintf(fp, "reserved1 = %s (%s)\n", btos(s->reserved1), btos(r->reserved1));
fprintf(fp, "Signature=0x%02X (&0x%02X)\n", (int)s->signature, (int)r->signature);
if (r->reserved2 != 0)
fprintf(fp, "reserved2 = 0x%02X (&0x%02X)\n", (int)(s->reserved2), (int)(r->reserved2));
fprintf(fp, "DisableAP = %s (%s)\n", btos(s->DisableAP), btof(r->DisableAP));
fprintf(fp, "DisableCDROM = %s (%s)\n", btos(s->DisableCDROM), btof(r->DisableCDROM));
if (r->reserved3 != 0)
fprintf(fp, "reserved3 = 0x%02X (&0x%02X)\n", (int)(s->reserved3), (int)(r->reserved3));
fprintf(fp, "DisableSES = %s (%s)\n", btos(s->DisableSES), btof(r->DisableSES));
fprintf(fp, "TwoTBLimit = %s (%s)\n", btos(s->TwoTBLimit), btof(r->TwoTBLimit));
fprintf(fp, "DisableWhiteList = %s (%s)\n", btos(s->DisableWhiteList), btof(r->DisableWhiteList));
if (r->reserved4 != 0)
fprintf(fp, "reserved4 = 0x%02X (&0x%02X)\n", (int)(s->reserved4), (int)(r->reserved4));
if (r->reserved5 != 0)
fprintf(fp, "reserved5 = 0x%02X (&0x%02X)\n", (int)(s->reserved5), (int)(r->reserved5));
if (r->reserved6 != 0)
fprintf(fp, "reserved6 = 0x%02X (&0x%02X)\n", (int)(s->reserved6), (int)(r->reserved6));
fprintf(fp, "\n");
};
struct sOperationsPage {
UInt8 pageCode:6;
UInt8 reserved1:1;
UInt8 ParamSavable:1;
UInt8 pageLength:8;
UInt8 signature:8;
UInt8 reserved2:8;
UInt8 eSATA15: 1;
UInt8 LooseSB2:1;
UInt8 reserved3:6;
UInt8 enableCDEject:1;
UInt8 CDMediaValid:1;
UInt8 reserved4:6;
UInt8 reserved5:8;
UInt8 reserved6:8;
UInt8 powerLEDBrite:8;
UInt8 backlightBrite:8;
UInt8 whiteOnBlack:1;
UInt8 reserved7:7;
UInt8 reserved8:8;
};
static int
GetOperationsPage(scsi_device *device, struct sOperationsPage *ocp, struct sOperationsPage *o2)
{
unsigned char data[127];
unsigned char datalen = sizeof(data);
int cc1 , cc2;
cc1 = ModeSense(device, kMODEOPERATIONSPAGE, 0, kMODE_SENSE_CURRENT_VALUES, 1, data, &datalen);
memset(ocp, 0, sizeof(*ocp));
memcpy(ocp, data, min(datalen, sizeof(*ocp)));
if (o2 != NULL) {
datalen = sizeof(data);
cc2 = ModeSense(device, kMODEOPERATIONSPAGE, 0, kMODE_SENSE_CHANGEABLE_VALUES, 1, data, &datalen);
memset(o2, 0, sizeof(*o2));