Files
cryptsetup/tests/api-test.c
Milan Broz 7fe10e3d7b Add API tests for plain device.
git-svn-id: https://cryptsetup.googlecode.com/svn/trunk@591 36d66b0a-2a48-0410-832c-cd162a569da5
2011-08-02 12:16:00 +00:00

1383 lines
41 KiB
C

/*
* cryptsetup library API check functions
*
* Copyright (C) 2009-2010 Red Hat, Inc. All rights reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* version 2 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 for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <fcntl.h>
#include <linux/fs.h>
#include <errno.h>
#include <assert.h>
#include <sys/stat.h>
#include <sys/ioctl.h>
#include <libdevmapper.h>
#include "libcryptsetup.h"
#include "utils_loop.h"
#define DMDIR "/dev/mapper/"
#define DEVICE_1_UUID "28632274-8c8a-493f-835b-da802e1c576b"
#define DEVICE_EMPTY_name "crypt_zero"
#define DEVICE_EMPTY DMDIR DEVICE_EMPTY_name
#define DEVICE_ERROR_name "crypt_error"
#define DEVICE_ERROR DMDIR DEVICE_ERROR_name
#define CDEVICE_1 "ctest1"
#define CDEVICE_2 "ctest2"
#define CDEVICE_WRONG "O_o"
#define IMAGE1 "compatimage.img"
#define IMAGE_EMPTY "empty.img"
#define KEYFILE1 "key1.file"
#define KEY1 "compatkey"
#define KEYFILE2 "key2.file"
#define KEY2 "0123456789abcdef"
#define PASSPHRASE "blabla"
#define DEVICE_TEST_UUID "12345678-1234-1234-1234-123456789abc"
#define DEVICE_WRONG "/dev/Ooo_"
#define DEVICE_CHAR "/dev/zero"
#define TMP_FILE_TEMPLATE "cryptsetuptst.XXXXXX"
#define SECTOR_SHIFT 9L
static int _debug = 0;
static int _verbose = 1;
static char global_log[4096];
static int global_lines = 0;
static char *DEVICE_1 = NULL;
static char *DEVICE_2 = NULL;
static char *H_DEVICE = NULL;
static char *tmp_file_1 = NULL;
static char *tmp_file_2 = NULL;
// Helpers
static int device_size(const char *device, uint64_t *size)
{
int devfd, r = 0;
devfd = open(device, O_RDONLY);
if(devfd == -1)
return -EINVAL;
if (ioctl(devfd, BLKGETSIZE64, size) < 0)
r = -EINVAL;
close(devfd);
return r;
}
// Get key from kernel dm mapping table using dm-ioctl
static int _get_key_dm(const char *name, char *buffer, unsigned int buffer_size)
{
struct dm_task *dmt;
struct dm_info dmi;
uint64_t start, length;
char *target_type, *rcipher, *key, *params;
void *next = NULL;
int r = -EINVAL;
if (!(dmt = dm_task_create(DM_DEVICE_TABLE)))
goto out;
if (!dm_task_set_name(dmt, name))
goto out;
if (!dm_task_run(dmt))
goto out;
if (!dm_task_get_info(dmt, &dmi))
goto out;
if (!dmi.exists)
goto out;
next = dm_get_next_target(dmt, next, &start, &length, &target_type, &params);
if (!target_type || strcmp(target_type, "crypt") != 0)
goto out;
rcipher = strsep(&params, " ");
key = strsep(&params, " ");
if (buffer_size <= strlen(key))
goto out;
strncpy(buffer, key, buffer_size);
r = 0;
out:
if (dmt)
dm_task_destroy(dmt);
return r;
}
static int _prepare_keyfile(const char *name, const char *passphrase, int size)
{
int fd, r;
fd = open(name, O_RDWR | O_CREAT | O_TRUNC, S_IRUSR);
if (fd != -1) {
r = write(fd, passphrase, size);
close(fd);
} else
r = 0;
return r == size ? 0 : 1;
}
static void _remove_keyfiles(void)
{
remove(KEYFILE1);
remove(KEYFILE2);
}
// Decode key from its hex representation
static int crypt_decode_key(char *key, char *hex, unsigned int size)
{
char buffer[3];
char *endp;
unsigned int i;
buffer[2] = '\0';
for (i = 0; i < size; i++) {
buffer[0] = *hex++;
buffer[1] = *hex++;
key[i] = (unsigned char)strtoul(buffer, &endp, 16);
if (endp != &buffer[2])
return -1;
}
if (*hex != '\0')
return -1;
return 0;
}
static void cmdLineLog(int level, char *msg)
{
strncat(global_log, msg, sizeof(global_log) - strlen(global_log));
global_lines++;
}
static void new_log(int level, const char *msg, void *usrptr)
{
cmdLineLog(level, (char*)msg);
}
static void reset_log()
{
memset(global_log, 0, sizeof(global_log));
global_lines = 0;
}
static void _system(const char *command, int warn)
{
if (system(command) < 0 && warn)
printf("System command failed: %s", command);
}
static void _cleanup(void)
{
char *h_str;
struct stat st;
//_system("udevadm settle", 0);
if (!stat(DMDIR CDEVICE_1, &st))
_system("dmsetup remove " CDEVICE_1, 0);
if (!stat(DMDIR CDEVICE_2, &st))
_system("dmsetup remove " CDEVICE_2, 0);
if (!stat(DEVICE_EMPTY, &st))
_system("dmsetup remove " DEVICE_EMPTY_name, 0);
if (!stat(DEVICE_ERROR, &st))
_system("dmsetup remove " DEVICE_ERROR_name, 0);
if (crypt_loop_device(DEVICE_1))
crypt_loop_detach(DEVICE_1);
if (crypt_loop_device(DEVICE_2))
crypt_loop_detach(DEVICE_2);
_system("rm -f " IMAGE_EMPTY, 0);
_system("rm -f " IMAGE1, 0);
if (tmp_file_1)
remove(tmp_file_1);
if (tmp_file_2)
remove(tmp_file_2);
if (H_DEVICE && crypt_loop_device(H_DEVICE)) {
h_str = crypt_loop_backing_file(H_DEVICE);
if(!crypt_loop_detach(H_DEVICE) && h_str)
remove(h_str);
}
_remove_keyfiles();
}
static int _setup(void)
{
int fd, ro = 0;
char *h_str, cmd[128];
tmp_file_1 = strdup(TMP_FILE_TEMPLATE);
if ((fd=mkstemp(tmp_file_1))==-1) {
printf("cannot create temporary file with template %s\n",tmp_file_1);
return 1;
}
close(fd);
snprintf(cmd,sizeof(cmd),"dd if=/dev/zero of=%s bs=512 count=100", tmp_file_1);
_system(cmd,1);
if (!H_DEVICE)
H_DEVICE = crypt_loop_get_device();
if (!H_DEVICE) {
printf("Cannot find free loop device.\n");
return 1;
}
h_str = strdup(TMP_FILE_TEMPLATE);
if ((fd=mkstemp(h_str))==-1) {
printf("cannot create temporary file with template %s\n",tmp_file_1);
return 1;
}
close(fd);
snprintf(cmd,sizeof(cmd),"dd if=/dev/zero of=%s bs=512 count=1", h_str);
_system(cmd,1);
if (crypt_loop_device(H_DEVICE)) {
fd = crypt_loop_attach(H_DEVICE,h_str,0,0,&ro);
close(fd);
}
free(h_str);
tmp_file_2 = strdup(TMP_FILE_TEMPLATE);
if ((fd=mkstemp(tmp_file_2))==-1) {
printf("cannot create temporary file with template %s\n",tmp_file_2);
return 1;
}
close(fd);
_system("dmsetup create " DEVICE_EMPTY_name " --table \"0 10000 zero\"", 1);
_system("dmsetup create " DEVICE_ERROR_name " --table \"0 10000 error\"", 1);
if (!DEVICE_1)
DEVICE_1 = crypt_loop_get_device();
if (!DEVICE_1) {
printf("Cannot find free loop device.\n");
return 1;
}
if (crypt_loop_device(DEVICE_1)) {
_system(" [ ! -e " IMAGE1 " ] && bzip2 -dk " IMAGE1 ".bz2", 1);
fd = crypt_loop_attach(DEVICE_1, IMAGE1, 0, 0, &ro);
close(fd);
}
if (!DEVICE_2)
DEVICE_2 = crypt_loop_get_device();
if (!DEVICE_2) {
printf("Cannot find free loop device.\n");
return 1;
}
if (crypt_loop_device(DEVICE_2)) {
_system("dd if=/dev/zero of=" IMAGE_EMPTY " bs=1M count=4", 1);
fd = crypt_loop_attach(DEVICE_2, IMAGE_EMPTY, 0, 0, &ro);
close(fd);
}
return 0;
}
void check_ok(int status, int line, const char *func)
{
char buf[256];
if (status) {
crypt_get_error(buf, sizeof(buf));
printf("FAIL line %d [%s]: code %d, %s\n", line, func, status, buf);
_cleanup();
exit(-1);
}
}
void check_ko(int status, int line, const char *func)
{
char buf[256];
memset(buf, 0, sizeof(buf));
crypt_get_error(buf, sizeof(buf));
if (status >= 0) {
printf("FAIL line %d [%s]: code %d, %s\n", line, func, status, buf);
_cleanup();
exit(-1);
} else if (_verbose)
printf(" => errno %d, errmsg: %s\n", status, buf);
}
void check_equal(int line, const char *func)
{
printf("FAIL line %d [%s]: expected equal values differs.\n", line, func);
_cleanup();
exit(-1);
}
void xlog(const char *msg, const char *tst, const char *func, int line, const char *txt)
{
if (_verbose) {
if (txt)
printf(" [%s,%s:%d] %s [%s]\n", msg, func, line, tst, txt);
else
printf(" [%s,%s:%d] %s\n", msg, func, line, tst);
}
}
#define OK_(x) do { xlog("(success)", #x, __FUNCTION__, __LINE__, NULL); \
check_ok((x), __LINE__, __FUNCTION__); \
} while(0)
#define FAIL_(x, y) do { xlog("(fail) ", #x, __FUNCTION__, __LINE__, y); \
check_ko((x), __LINE__, __FUNCTION__); \
} while(0)
#define EQ_(x, y) do { xlog("(equal) ", #x " == " #y, __FUNCTION__, __LINE__, NULL); \
if ((x) != (y)) check_equal(__LINE__, __FUNCTION__); \
} while(0)
#define RUN_(x, y) do { printf("%s: %s\n", #x, (y)); x(); } while (0)
#if 0
static int yesDialog(char *msg)
{
return 1;
}
static struct interface_callbacks cmd_icb = {
.yesDialog = yesDialog,
.log = cmdLineLog,
};
// OLD API TESTS
static void LuksUUID(void)
{
struct crypt_options co = { .icb = &cmd_icb };
co.device = DEVICE_EMPTY;
EQ_(crypt_luksUUID(&co), -EINVAL);
co.device = DEVICE_ERROR;
EQ_(crypt_luksUUID(&co), -EINVAL);
reset_log();
co.device = DEVICE_1;
OK_(crypt_luksUUID(&co));
EQ_(strlen(global_log), 37); /* UUID + "\n" */
EQ_(strncmp(global_log, DEVICE_1_UUID, strlen(DEVICE_1_UUID)), 0);
}
static void IsLuks(void)
{
struct crypt_options co = { .icb = &cmd_icb };
co.device = DEVICE_EMPTY;
EQ_(crypt_isLuks(&co), -EINVAL);
co.device = DEVICE_ERROR;
EQ_(crypt_isLuks(&co), -EINVAL);
co.device = DEVICE_1;
OK_(crypt_isLuks(&co));
}
static void LuksOpen(void)
{
struct crypt_options co = {
.name = CDEVICE_1,
//.passphrase = "blabla",
.icb = &cmd_icb,
};
OK_(_prepare_keyfile(KEYFILE1, KEY1, strlen(KEY1)));
co.key_file = KEYFILE1;
co.device = DEVICE_EMPTY;
EQ_(crypt_luksOpen(&co), -EINVAL);
co.device = DEVICE_ERROR;
EQ_(crypt_luksOpen(&co), -EINVAL);
co.device = DEVICE_1;
OK_(crypt_luksOpen(&co));
FAIL_(crypt_luksOpen(&co), "already open");
_remove_keyfiles();
}
static void query_device(void)
{
struct crypt_options co = {.icb = &cmd_icb };
co.name = CDEVICE_WRONG;
EQ_(crypt_query_device(&co), 0);
co.name = CDEVICE_1;
EQ_(crypt_query_device(&co), 1);
OK_(strncmp(crypt_get_dir(), DMDIR, 11));
OK_(strcmp(co.cipher, "aes-cbc-essiv:sha256"));
EQ_(co.key_size, 16);
EQ_(co.offset, 1032);
EQ_(co.flags & CRYPT_FLAG_READONLY, 0);
EQ_(co.skip, 0);
crypt_put_options(&co);
}
static void remove_device(void)
{
int fd;
struct crypt_options co = {.icb = &cmd_icb };
co.name = CDEVICE_WRONG;
EQ_(crypt_remove_device(&co), -ENODEV);
fd = open(DMDIR CDEVICE_1, O_RDONLY);
co.name = CDEVICE_1;
FAIL_(crypt_remove_device(&co), "device busy");
close(fd);
OK_(crypt_remove_device(&co));
}
static void LuksFormat(void)
{
struct crypt_options co = {
.device = DEVICE_2,
.key_size = 256 / 8,
.key_slot = -1,
.cipher = "aes-cbc-essiv:sha256",
.hash = "sha1",
.flags = 0,
.iteration_time = 10,
.align_payload = 0,
.icb = &cmd_icb,
};
OK_(_prepare_keyfile(KEYFILE1, KEY1, strlen(KEY1)));
co.new_key_file = KEYFILE1;
co.device = DEVICE_ERROR;
FAIL_(crypt_luksFormat(&co), "error device");
co.device = DEVICE_2;
OK_(crypt_luksFormat(&co));
co.new_key_file = NULL;
co.key_file = KEYFILE1;
co.name = CDEVICE_2;
OK_(crypt_luksOpen(&co));
OK_(crypt_remove_device(&co));
_remove_keyfiles();
}
static void LuksKeyGame(void)
{
int i;
struct crypt_options co = {
.device = DEVICE_2,
.key_size = 256 / 8,
.key_slot = -1,
.cipher = "aes-cbc-essiv:sha256",
.hash = "sha1",
.flags = 0,
.iteration_time = 10,
.align_payload = 0,
.icb = &cmd_icb,
};
OK_(_prepare_keyfile(KEYFILE1, KEY1, strlen(KEY1)));
OK_(_prepare_keyfile(KEYFILE2, KEY2, strlen(KEY2)));
co.new_key_file = KEYFILE1;
co.device = DEVICE_2;
co.key_slot = 8;
FAIL_(crypt_luksFormat(&co), "wrong slot #");
co.key_slot = 7; // last slot
OK_(crypt_luksFormat(&co));
co.new_key_file = KEYFILE1;
co.key_file = KEYFILE1;
co.key_slot = 8;
FAIL_(crypt_luksAddKey(&co), "wrong slot #");
co.key_slot = 7;
FAIL_(crypt_luksAddKey(&co), "slot already used");
co.key_slot = 6;
OK_(crypt_luksAddKey(&co));
co.key_file = KEYFILE2 "blah";
co.key_slot = 5;
FAIL_(crypt_luksAddKey(&co), "keyfile not found");
co.new_key_file = KEYFILE2; // key to add
co.key_file = KEYFILE1;
co.key_slot = -1;
for (i = 0; i < 6; i++)
OK_(crypt_luksAddKey(&co)); //FIXME: EQ_(i)?
FAIL_(crypt_luksAddKey(&co), "all slots full");
// REMOVE KEY
co.new_key_file = KEYFILE1; // key to remove
co.key_file = NULL;
co.key_slot = 8; // should be ignored
// only 2 slots should use KEYFILE1
OK_(crypt_luksRemoveKey(&co));
OK_(crypt_luksRemoveKey(&co));
FAIL_(crypt_luksRemoveKey(&co), "no slot with this passphrase");
co.new_key_file = KEYFILE2 "blah";
co.key_file = NULL;
FAIL_(crypt_luksRemoveKey(&co), "keyfile not found");
// KILL SLOT
co.new_key_file = NULL;
co.key_file = NULL;
co.key_slot = 8;
FAIL_(crypt_luksKillSlot(&co), "wrong slot #");
co.key_slot = 7;
FAIL_(crypt_luksKillSlot(&co), "slot already wiped");
co.key_slot = 5;
OK_(crypt_luksKillSlot(&co));
_remove_keyfiles();
}
size_t _get_device_size(const char *device)
{
unsigned long size = 0;
int fd;
fd = open(device, O_RDONLY);
if (fd == -1)
return 0;
(void)ioctl(fd, BLKGETSIZE, &size);
close(fd);
return size;
}
void DeviceResizeGame(void)
{
size_t orig_size;
struct crypt_options co = {
.name = CDEVICE_2,
.device = DEVICE_2,
.key_size = 128 / 8,
.cipher = "aes-cbc-plain",
.hash = "sha1",
.offset = 333,
.skip = 0,
.icb = &cmd_icb,
};
orig_size = _get_device_size(DEVICE_2);
OK_(_prepare_keyfile(KEYFILE2, KEY2, strlen(KEY2)));
co.key_file = KEYFILE2;
co.size = 1000;
OK_(crypt_create_device(&co));
EQ_(_get_device_size(DMDIR CDEVICE_2), 1000);
co.size = 2000;
OK_(crypt_resize_device(&co));
EQ_(_get_device_size(DMDIR CDEVICE_2), 2000);
co.size = 0;
OK_(crypt_resize_device(&co));
EQ_(_get_device_size(DMDIR CDEVICE_2), (orig_size - 333));
co.size = 0;
co.offset = 444;
co.skip = 555;
co.cipher = "aes-cbc-essiv:sha256";
OK_(crypt_update_device(&co));
EQ_(_get_device_size(DMDIR CDEVICE_2), (orig_size - 444));
memset(&co, 0, sizeof(co));
co.icb = &cmd_icb,
co.name = CDEVICE_2;
EQ_(crypt_query_device(&co), 1);
EQ_(strcmp(co.cipher, "aes-cbc-essiv:sha256"), 0);
EQ_(co.key_size, 128 / 8);
EQ_(co.offset, 444);
EQ_(co.skip, 555);
crypt_put_options(&co);
// dangerous switch device still works
memset(&co, 0, sizeof(co));
co.name = CDEVICE_2,
co.device = DEVICE_1;
co.key_file = KEYFILE2;
co.key_size = 128 / 8;
co.cipher = "aes-cbc-plain";
co.hash = "sha1";
co.icb = &cmd_icb;
OK_(crypt_update_device(&co));
memset(&co, 0, sizeof(co));
co.icb = &cmd_icb,
co.name = CDEVICE_2;
EQ_(crypt_query_device(&co), 1);
EQ_(strcmp(co.cipher, "aes-cbc-plain"), 0);
EQ_(co.key_size, 128 / 8);
EQ_(co.offset, 0);
EQ_(co.skip, 0);
// This expect lookup returns prefered /dev/loopX
EQ_(strcmp(co.device, DEVICE_1), 0);
crypt_put_options(&co);
memset(&co, 0, sizeof(co));
co.icb = &cmd_icb,
co.name = CDEVICE_2;
OK_(crypt_remove_device(&co));
_remove_keyfiles();
}
#endif
// NEW API tests
static void AddDevicePlain(void)
{
struct crypt_device *cd, *cd2;
struct crypt_params_plain params = {
.hash = "sha1",
.skip = 0,
.offset = 0,
.size = 0
};
int fd;
char key[128], key2[128], path[128];
char *passphrase = PASSPHRASE;
// hashed hex version of PASSPHRASE
char *mk_hex = "bb21158c733229347bd4e681891e213d94c685be6a5b84818afe7a78a6de7a1a";
size_t key_size = strlen(mk_hex) / 2;
char *cipher = "aes";
char *cipher_mode = "cbc-essiv:sha256";
uint64_t size, r_size;
crypt_decode_key(key, mk_hex, key_size);
FAIL_(crypt_init(&cd, ""), "empty device string");
FAIL_(crypt_init(&cd, DEVICE_WRONG), "nonexistent device name ");
FAIL_(crypt_init(&cd, DEVICE_CHAR), "character device as backing device");
OK_(crypt_init(&cd, tmp_file_1));
crypt_free(cd);
// test crypt_format, crypt_get_cipher, crypt_get_cipher_mode, crypt_get_volume_key_size
OK_(crypt_init(&cd,DEVICE_1));
params.skip = 3;
params.offset = 42;
FAIL_(crypt_format(cd,CRYPT_PLAIN,NULL,cipher_mode,NULL,NULL,key_size,&params),"cipher param is null");
FAIL_(crypt_format(cd,CRYPT_PLAIN,cipher,NULL,NULL,NULL,key_size,&params),"cipher_mode param is null");
OK_(crypt_format(cd,CRYPT_PLAIN,cipher,cipher_mode,NULL,NULL,key_size,&params));
OK_(strcmp(cipher_mode,crypt_get_cipher_mode(cd)));
OK_(strcmp(cipher,crypt_get_cipher(cd)));
EQ_(key_size, crypt_get_volume_key_size(cd));
EQ_(params.skip, crypt_get_iv_offset(cd));
EQ_(params.offset, crypt_get_data_offset(cd));
params.skip = 0;
params.offset = 0;
// crypt_set_uuid()
FAIL_(crypt_set_uuid(cd,DEVICE_1_UUID),"can't set uuid to plain device");
// crypt_load() should fail for PLAIN
FAIL_(crypt_load(cd,CRYPT_PLAIN,NULL),"can't load header from plain device");
crypt_free(cd);
// default is "plain" hash - no password hash
OK_(crypt_init(&cd, DEVICE_1));
OK_(crypt_format(cd, CRYPT_PLAIN, cipher, cipher_mode, NULL, NULL, key_size, NULL));
FAIL_(crypt_activate_by_volume_key(cd, NULL, key, key_size, 0), "cannot verify key with plain");
OK_(crypt_activate_by_volume_key(cd, CDEVICE_1, key, key_size, 0));
EQ_(crypt_status(cd, CDEVICE_1), CRYPT_ACTIVE);
OK_(crypt_deactivate(cd, CDEVICE_1));
crypt_free(cd);
// test boundaries in offset parameter
device_size(DEVICE_1,&size);
params.hash = NULL;
// zero sectors length
params.offset = size >> SECTOR_SHIFT;
OK_(crypt_init(&cd, DEVICE_1));
OK_(crypt_format(cd, CRYPT_PLAIN, cipher, cipher_mode, NULL, NULL, key_size, &params));
EQ_(crypt_get_data_offset(cd),params.offset);
// device size is 0 sectors
FAIL_(crypt_activate_by_passphrase(cd, CDEVICE_1, CRYPT_ANY_SLOT, passphrase, strlen(passphrase), 0), "invalid device size (0 blocks)");
EQ_(crypt_status(cd, CDEVICE_1), CRYPT_INACTIVE);
// data part of crypt device is of 1 sector size
params.offset = (size >> SECTOR_SHIFT) - 1;
OK_(crypt_format(cd, CRYPT_PLAIN, cipher, cipher_mode, NULL, NULL, key_size, &params));
OK_(crypt_activate_by_passphrase(cd, CDEVICE_1, CRYPT_ANY_SLOT, passphrase, strlen(passphrase), 0));
EQ_(crypt_status(cd, CDEVICE_1), CRYPT_ACTIVE);
snprintf(path, sizeof(path), "%s/%s", crypt_get_dir(), CDEVICE_1);
if (device_size(path, &r_size) >= 0)
EQ_(r_size>>SECTOR_SHIFT, 1);
OK_(crypt_deactivate(cd, CDEVICE_1));
// size > device_size
params.offset = 0;
params.size = (size >> SECTOR_SHIFT) + 1;
crypt_init(&cd, DEVICE_1);
OK_(crypt_format(cd, CRYPT_PLAIN, cipher, cipher_mode, NULL, NULL, key_size, &params));
FAIL_(crypt_activate_by_passphrase(cd, CDEVICE_1, CRYPT_ANY_SLOT, passphrase, strlen(passphrase), 0),"Device too small");
EQ_(crypt_status(cd, CDEVICE_1), CRYPT_INACTIVE);
// offset == device_size (autodetect size)
params.offset = (size >> SECTOR_SHIFT);
params.size = 0;
OK_(crypt_format(cd, CRYPT_PLAIN, cipher, cipher_mode, NULL, NULL, key_size, &params));
FAIL_(crypt_activate_by_passphrase(cd, CDEVICE_1, CRYPT_ANY_SLOT, passphrase, strlen(passphrase), 0),"Device too small");
EQ_(crypt_status(cd, CDEVICE_1), CRYPT_INACTIVE);
// offset == device_size (user defined size)
params.offset = (size >> SECTOR_SHIFT);
params.size = 123;
OK_(crypt_format(cd, CRYPT_PLAIN, cipher, cipher_mode, NULL, NULL, key_size, &params));
FAIL_(crypt_activate_by_passphrase(cd, CDEVICE_1, CRYPT_ANY_SLOT, passphrase, strlen(passphrase), 0),"Device too small");
EQ_(crypt_status(cd, CDEVICE_1), CRYPT_INACTIVE);
// offset+size > device_size
params.offset = 42;
params.size = (size >> SECTOR_SHIFT) - params.offset + 1;
OK_(crypt_format(cd, CRYPT_PLAIN, cipher, cipher_mode, NULL, NULL, key_size, &params));
FAIL_(crypt_activate_by_passphrase(cd, CDEVICE_1, CRYPT_ANY_SLOT, passphrase, strlen(passphrase), 0),"Offset and size are beyond device real size");
EQ_(crypt_status(cd, CDEVICE_1), CRYPT_INACTIVE);
// offset+size == device_size
params.offset = 42;
params.size = (size >> SECTOR_SHIFT) - params.offset;
OK_(crypt_format(cd, CRYPT_PLAIN, cipher, cipher_mode, NULL, NULL, key_size, &params));
OK_(crypt_activate_by_passphrase(cd, CDEVICE_1, CRYPT_ANY_SLOT, passphrase, strlen(passphrase), 0));
EQ_(crypt_status(cd, CDEVICE_1), CRYPT_ACTIVE);
if (!device_size(path, &r_size))
EQ_((r_size >> SECTOR_SHIFT),params.size);
OK_(crypt_deactivate(cd,CDEVICE_1));
crypt_free(cd);
params.hash = "sha1";
params.offset = 0;
params.size = 0;
params.skip = 0;
// Now use hashed password
OK_(crypt_init(&cd, DEVICE_1));
OK_(crypt_format(cd, CRYPT_PLAIN, cipher, cipher_mode, NULL, NULL, key_size, &params));
FAIL_(crypt_activate_by_passphrase(cd, NULL, CRYPT_ANY_SLOT, passphrase, strlen(passphrase), 0),
"cannot verify passphrase with plain" );
OK_(crypt_activate_by_passphrase(cd, CDEVICE_1, CRYPT_ANY_SLOT, passphrase, strlen(passphrase), 0));
// device status check
EQ_(crypt_status(cd, CDEVICE_1), CRYPT_ACTIVE);
snprintf(path, sizeof(path), "%s/%s", crypt_get_dir(), CDEVICE_1);
fd = open(path, O_RDONLY);
EQ_(crypt_status(cd, CDEVICE_1), CRYPT_BUSY);
FAIL_(crypt_deactivate(cd, CDEVICE_1), "Device is busy");
close(fd);
OK_(crypt_deactivate(cd, CDEVICE_1));
EQ_(crypt_status(cd, CDEVICE_1), CRYPT_INACTIVE);
// crypt_init_by_name_and_header
OK_(crypt_init(&cd,DEVICE_1));
OK_(crypt_format(cd, CRYPT_PLAIN,cipher,cipher_mode,NULL,NULL,key_size,&params));
OK_(crypt_activate_by_volume_key(cd,CDEVICE_1,key,key_size,0));
FAIL_(crypt_init_by_name_and_header(&cd2,CDEVICE_1,H_DEVICE),"can't init plain device by header device");
OK_(crypt_init_by_name(&cd2,CDEVICE_1));
OK_(crypt_deactivate(cd,CDEVICE_1));
crypt_free(cd);
crypt_free(cd2);
OK_(crypt_init(&cd,DEVICE_1));
OK_(crypt_format(cd,CRYPT_PLAIN,cipher,cipher_mode,NULL,NULL,key_size,&params));
params.size = 0;
params.offset = 0;
// crypt_set_data_device
FAIL_(crypt_set_data_device(cd,H_DEVICE),"can't set data device for plain device");
// crypt_get_type
OK_(strcmp(crypt_get_type(cd),CRYPT_PLAIN));
OK_(crypt_activate_by_volume_key(cd, CDEVICE_1, key, key_size, 0));
EQ_(crypt_status(cd, CDEVICE_1), CRYPT_ACTIVE);
// crypt_resize()
OK_(crypt_resize(cd,CDEVICE_1,size>>SECTOR_SHIFT)); // same size
if (!device_size(path,&r_size))
EQ_(r_size, size);
// size overlaps
FAIL_(crypt_resize(cd, CDEVICE_1, ULLONG_MAX),"Backing device is too small");
FAIL_(crypt_resize(cd, CDEVICE_1, (size>>SECTOR_SHIFT)+1),"crypt device overlaps backing device");
// resize ok
OK_(crypt_resize(cd,CDEVICE_1, 123));
if (!device_size(path,&r_size))
EQ_(r_size>>SECTOR_SHIFT, 123);
OK_(crypt_resize(cd,CDEVICE_1,0)); // full size (autodetect)
if (!device_size(path,&r_size))
EQ_(r_size, size);
OK_(crypt_deactivate(cd,CDEVICE_1));
EQ_(crypt_status(cd,CDEVICE_1),CRYPT_INACTIVE);
// offset tests
OK_(crypt_init(&cd,DEVICE_1));
params.offset = 42;
params.size = (size>>SECTOR_SHIFT) - params.offset - 10;
OK_(crypt_format(cd,CRYPT_PLAIN,cipher,cipher_mode,NULL,NULL,key_size,&params));
OK_(crypt_activate_by_volume_key(cd,CDEVICE_1,key,key_size,0));
if (!device_size(path,&r_size))
EQ_(r_size>>SECTOR_SHIFT, params.size);
// resize to fill remaining capacity
OK_(crypt_resize(cd,CDEVICE_1,params.size + 10));
if (!device_size(path,&r_size))
EQ_(r_size>>SECTOR_SHIFT, params.size + 10);
// 1 sector beyond real size
FAIL_(crypt_resize(cd,CDEVICE_1,params.size + 11), "new device size overlaps backing device"); // with respect to offset
if (!device_size(path,&r_size))
EQ_(r_size>>SECTOR_SHIFT, params.size + 10);
EQ_(crypt_status(cd,CDEVICE_1),CRYPT_ACTIVE);
fd = open(path, O_RDONLY);
close(fd);
OK_(fd < 0);
// resize to minimal size
OK_(crypt_resize(cd,CDEVICE_1, 1)); // minimal device size
if (!device_size(path,&r_size))
EQ_(r_size>>SECTOR_SHIFT, 1);
// use size of backing device (autodetect with respect to offset)
OK_(crypt_resize(cd,CDEVICE_1,0));
if (!device_size(path,&r_size))
EQ_(r_size>>SECTOR_SHIFT, (size >> SECTOR_SHIFT)- 42);
OK_(crypt_deactivate(cd,CDEVICE_1));
params.size = 0;
params.offset = 0;
OK_(crypt_format(cd,CRYPT_PLAIN,cipher,cipher_mode,NULL,NULL,key_size,&params));
OK_(crypt_activate_by_volume_key(cd,CDEVICE_1,key,key_size,0));
// suspend/resume tests
FAIL_(crypt_suspend(cd,CDEVICE_1),"cannot suspend plain device");
EQ_(crypt_status(cd, CDEVICE_1), CRYPT_ACTIVE);
FAIL_(crypt_resume_by_passphrase(cd,CDEVICE_1,CRYPT_ANY_SLOT,passphrase, strlen(passphrase)),"cannot resume plain device");
EQ_(crypt_status(cd, CDEVICE_1), CRYPT_ACTIVE);
// retrieve volume key check
memset(key2, 0, key_size);
key_size--;
// small buffer
FAIL_(crypt_volume_key_get(cd, CRYPT_ANY_SLOT, key2, &key_size, passphrase, strlen(passphrase)), "small buffer");
key_size++;
OK_(crypt_volume_key_get(cd, CRYPT_ANY_SLOT, key2, &key_size, passphrase, strlen(passphrase)));
OK_(memcmp(key, key2, key_size));
OK_(strcmp(cipher, crypt_get_cipher(cd)));
OK_(strcmp(cipher_mode, crypt_get_cipher_mode(cd)));
EQ_(key_size, crypt_get_volume_key_size(cd));
EQ_(0, crypt_get_data_offset(cd));
OK_(crypt_deactivate(cd, CDEVICE_1));
// now with keyfile
OK_(_prepare_keyfile(KEYFILE1, KEY1, strlen(KEY1)));
OK_(_prepare_keyfile(KEYFILE2, KEY2, strlen(KEY2)));
FAIL_(crypt_activate_by_keyfile(cd, NULL, CRYPT_ANY_SLOT, KEYFILE1, 0, 0), "cannot verify key with plain");
EQ_(0, crypt_activate_by_keyfile(cd, CDEVICE_1, CRYPT_ANY_SLOT, KEYFILE1, 0, 0));
EQ_(crypt_status(cd, CDEVICE_1), CRYPT_ACTIVE);
OK_(crypt_deactivate(cd, CDEVICE_1));
_remove_keyfiles();
OK_(crypt_init(&cd,DEVICE_1));
OK_(crypt_format(cd,CRYPT_PLAIN,cipher,cipher_mode,NULL,NULL,key_size,&params));
// crypt_keyslot_*()
FAIL_(crypt_keyslot_add_by_passphrase(cd,CRYPT_ANY_SLOT,passphrase,strlen(passphrase),passphrase,strlen(passphrase)), "can't add keyslot to plain device");
FAIL_(crypt_keyslot_add_by_volume_key(cd,CRYPT_ANY_SLOT ,key,key_size,passphrase,strlen(passphrase)),"can't add keyslot to plain device");
FAIL_(crypt_keyslot_add_by_keyfile(cd,CRYPT_ANY_SLOT,KEYFILE1,strlen(KEY1),KEYFILE2,strlen(KEY2)),"can't add keyslot to plain device");
FAIL_(crypt_keyslot_destroy(cd,1),"can't manipulate keyslots on plain device");
EQ_(crypt_keyslot_status(cd, 0), CRYPT_SLOT_INVALID);
_remove_keyfiles();
crypt_free(cd);
}
#define CALLBACK_ERROR "calback_error xyz"
static int pass_callback_err(const char *msg, char *buf, size_t length, void *usrptr)
{
struct crypt_device *cd = usrptr;
assert(cd);
assert(length);
assert(msg);
crypt_log(cd, CRYPT_LOG_ERROR, CALLBACK_ERROR);
return -EINVAL;
}
static int pass_callback_ok(const char *msg, char *buf, size_t length, void *usrptr)
{
assert(length);
assert(msg);
strcpy(buf, PASSPHRASE);
return strlen(buf);
}
static void CallbacksTest(void)
{
struct crypt_device *cd;
struct crypt_params_plain params = {
.hash = "sha1",
.skip = 0,
.offset = 0,
};
size_t key_size = 256 / 8;
char *cipher = "aes";
char *cipher_mode = "cbc-essiv:sha256";
char *passphrase = PASSPHRASE;
OK_(crypt_init(&cd, DEVICE_1));
crypt_set_log_callback(cd, &new_log, NULL);
//crypt_set_log_callback(cd, NULL, NULL);
OK_(crypt_format(cd, CRYPT_PLAIN, cipher, cipher_mode, NULL, NULL, key_size, &params));
OK_(crypt_activate_by_passphrase(cd, CDEVICE_1, CRYPT_ANY_SLOT, passphrase, strlen(passphrase), 0));
EQ_(crypt_status(cd, CDEVICE_1), CRYPT_ACTIVE);
OK_(crypt_deactivate(cd, CDEVICE_1));
reset_log();
crypt_set_password_callback(cd, pass_callback_err, cd);
FAIL_(crypt_activate_by_passphrase(cd, CDEVICE_1, CRYPT_ANY_SLOT, NULL, 0, 0), "callback fails");
EQ_(strncmp(global_log, CALLBACK_ERROR, strlen(CALLBACK_ERROR)), 0);
crypt_set_password_callback(cd, pass_callback_ok, NULL);
OK_(crypt_activate_by_passphrase(cd, CDEVICE_1, CRYPT_ANY_SLOT, NULL, 0, 0));
EQ_(crypt_status(cd, CDEVICE_1), CRYPT_ACTIVE);
OK_(crypt_deactivate(cd, CDEVICE_1));
crypt_free(cd);
}
static void UseLuksDevice(void)
{
struct crypt_device *cd;
char key[128];
size_t key_size;
OK_(crypt_init(&cd, DEVICE_1));
OK_(crypt_load(cd, CRYPT_LUKS1, NULL));
EQ_(crypt_status(cd, CDEVICE_1), CRYPT_INACTIVE);
OK_(crypt_activate_by_passphrase(cd, NULL, CRYPT_ANY_SLOT, KEY1, strlen(KEY1), 0));
OK_(crypt_activate_by_passphrase(cd, CDEVICE_1, CRYPT_ANY_SLOT, KEY1, strlen(KEY1), 0));
FAIL_(crypt_activate_by_passphrase(cd, CDEVICE_1, CRYPT_ANY_SLOT, KEY1, strlen(KEY1), 0), "already open");
EQ_(crypt_status(cd, CDEVICE_1), CRYPT_ACTIVE);
OK_(crypt_deactivate(cd, CDEVICE_1));
FAIL_(crypt_deactivate(cd, CDEVICE_1), "no such device");
key_size = 16;
OK_(strcmp("aes", crypt_get_cipher(cd)));
OK_(strcmp("cbc-essiv:sha256", crypt_get_cipher_mode(cd)));
OK_(strcmp(DEVICE_1_UUID, crypt_get_uuid(cd)));
EQ_(key_size, crypt_get_volume_key_size(cd));
EQ_(1032, crypt_get_data_offset(cd));
EQ_(0, crypt_volume_key_get(cd, CRYPT_ANY_SLOT, key, &key_size, KEY1, strlen(KEY1)));
OK_(crypt_volume_key_verify(cd, key, key_size));
OK_(crypt_activate_by_volume_key(cd, NULL, key, key_size, 0));
OK_(crypt_activate_by_volume_key(cd, CDEVICE_1, key, key_size, 0));
EQ_(crypt_status(cd, CDEVICE_1), CRYPT_ACTIVE);
OK_(crypt_deactivate(cd, CDEVICE_1));
key[1] = ~key[1];
FAIL_(crypt_volume_key_verify(cd, key, key_size), "key mismatch");
FAIL_(crypt_activate_by_volume_key(cd, CDEVICE_1, key, key_size, 0), "key mismatch");
crypt_free(cd);
}
static void SuspendDevice(void)
{
int suspend_status;
struct crypt_device *cd;
OK_(crypt_init(&cd, DEVICE_1));
OK_(crypt_load(cd, CRYPT_LUKS1, NULL));
OK_(crypt_activate_by_passphrase(cd, CDEVICE_1, CRYPT_ANY_SLOT, KEY1, strlen(KEY1), 0));
suspend_status = crypt_suspend(cd, CDEVICE_1);
if (suspend_status == -ENOTSUP) {
printf("WARNING: Suspend/Resume not supported, skipping test.\n");
goto out;
}
OK_(suspend_status);
FAIL_(crypt_suspend(cd, CDEVICE_1), "already suspended");
FAIL_(crypt_resume_by_passphrase(cd, CDEVICE_1, CRYPT_ANY_SLOT, KEY1, strlen(KEY1)-1), "wrong key");
OK_(crypt_resume_by_passphrase(cd, CDEVICE_1, CRYPT_ANY_SLOT, KEY1, strlen(KEY1)));
FAIL_(crypt_resume_by_passphrase(cd, CDEVICE_1, CRYPT_ANY_SLOT, KEY1, strlen(KEY1)), "not suspended");
OK_(_prepare_keyfile(KEYFILE1, KEY1, strlen(KEY1)));
OK_(crypt_suspend(cd, CDEVICE_1));
FAIL_(crypt_resume_by_keyfile(cd, CDEVICE_1, CRYPT_ANY_SLOT, KEYFILE1 "blah", 0), "wrong keyfile");
OK_(crypt_resume_by_keyfile(cd, CDEVICE_1, CRYPT_ANY_SLOT, KEYFILE1, 0));
FAIL_(crypt_resume_by_keyfile(cd, CDEVICE_1, CRYPT_ANY_SLOT, KEYFILE1, 0), "not suspended");
_remove_keyfiles();
out:
OK_(crypt_deactivate(cd, CDEVICE_1));
crypt_free(cd);
}
static void AddDeviceLuks(void)
{
struct crypt_device *cd;
struct crypt_params_luks1 params = {
.hash = "sha512",
.data_alignment = 2048, // 4M, data offset will be 4096
};
char key[128], key2[128];
char *passphrase = "blabla";
char *mk_hex = "bb21158c733229347bd4e681891e213d94c685be6a5b84818afe7a78a6de7a1a";
size_t key_size = strlen(mk_hex) / 2;
char *cipher = "aes";
char *cipher_mode = "cbc-essiv:sha256";
crypt_decode_key(key, mk_hex, key_size);
OK_(crypt_init(&cd, DEVICE_2));
OK_(crypt_format(cd, CRYPT_LUKS1, cipher, cipher_mode, NULL, key, key_size, &params));
// even with no keyslots defined it can be activated by volume key
OK_(crypt_volume_key_verify(cd, key, key_size));
OK_(crypt_activate_by_volume_key(cd, CDEVICE_2, key, key_size, 0));
EQ_(crypt_status(cd, CDEVICE_2), CRYPT_ACTIVE);
OK_(crypt_deactivate(cd, CDEVICE_2));
// now with keyslot
EQ_(7, crypt_keyslot_add_by_volume_key(cd, 7, key, key_size, passphrase, strlen(passphrase)));
EQ_(CRYPT_SLOT_ACTIVE_LAST, crypt_keyslot_status(cd, 7));
EQ_(7, crypt_activate_by_passphrase(cd, CDEVICE_2, CRYPT_ANY_SLOT, passphrase, strlen(passphrase), 0));
EQ_(crypt_status(cd, CDEVICE_2), CRYPT_ACTIVE);
OK_(crypt_deactivate(cd, CDEVICE_2));
EQ_(1, crypt_keyslot_add_by_volume_key(cd, 1, key, key_size, KEY1, strlen(KEY1)));
OK_(_prepare_keyfile(KEYFILE1, KEY1, strlen(KEY1)));
OK_(_prepare_keyfile(KEYFILE2, KEY2, strlen(KEY2)));
EQ_(2, crypt_keyslot_add_by_keyfile(cd, 2, KEYFILE1, 0, KEYFILE2, 0));
FAIL_(crypt_activate_by_keyfile(cd, CDEVICE_2, CRYPT_ANY_SLOT, KEYFILE2, strlen(KEY2)-1, 0), "key mismatch");
EQ_(2, crypt_activate_by_keyfile(cd, NULL, CRYPT_ANY_SLOT, KEYFILE2, 0, 0));
EQ_(2, crypt_activate_by_keyfile(cd, CDEVICE_2, CRYPT_ANY_SLOT, KEYFILE2, 0, 0));
OK_(crypt_keyslot_destroy(cd, 1));
OK_(crypt_keyslot_destroy(cd, 2));
OK_(crypt_deactivate(cd, CDEVICE_2));
_remove_keyfiles();
FAIL_(crypt_keyslot_add_by_volume_key(cd, 7, key, key_size, passphrase, strlen(passphrase)), "slot used");
key[1] = ~key[1];
FAIL_(crypt_keyslot_add_by_volume_key(cd, 6, key, key_size, passphrase, strlen(passphrase)), "key mismatch");
key[1] = ~key[1];
EQ_(6, crypt_keyslot_add_by_volume_key(cd, 6, key, key_size, passphrase, strlen(passphrase)));
EQ_(CRYPT_SLOT_ACTIVE, crypt_keyslot_status(cd, 6));
FAIL_(crypt_keyslot_destroy(cd, 8), "invalid keyslot");
FAIL_(crypt_keyslot_destroy(cd, CRYPT_ANY_SLOT), "invalid keyslot");
FAIL_(crypt_keyslot_destroy(cd, 0), "keyslot not used");
OK_(crypt_keyslot_destroy(cd, 7));
EQ_(CRYPT_SLOT_INACTIVE, crypt_keyslot_status(cd, 7));
EQ_(CRYPT_SLOT_ACTIVE_LAST, crypt_keyslot_status(cd, 6));
EQ_(6, crypt_volume_key_get(cd, CRYPT_ANY_SLOT, key2, &key_size, passphrase, strlen(passphrase)));
OK_(crypt_volume_key_verify(cd, key2, key_size));
OK_(memcmp(key, key2, key_size));
OK_(strcmp(cipher, crypt_get_cipher(cd)));
OK_(strcmp(cipher_mode, crypt_get_cipher_mode(cd)));
EQ_(key_size, crypt_get_volume_key_size(cd));
EQ_(4096, crypt_get_data_offset(cd));
OK_(strcmp(DEVICE_2, crypt_get_device_name(cd)));
reset_log();
crypt_set_log_callback(cd, &new_log, NULL);
OK_(crypt_dump(cd));
OK_(!(global_lines != 0));
crypt_set_log_callback(cd, NULL, NULL);
reset_log();
FAIL_(crypt_set_uuid(cd, "blah"), "wrong UUID format");
OK_(crypt_set_uuid(cd, DEVICE_TEST_UUID));
OK_(strcmp(DEVICE_TEST_UUID, crypt_get_uuid(cd)));
FAIL_(crypt_deactivate(cd, CDEVICE_2), "not active");
crypt_free(cd);
}
static void UseTempVolumes(void)
{
struct crypt_device *cd;
char tmp[256];
// Tepmporary device without keyslot but with on-disk LUKS header
OK_(crypt_init(&cd, DEVICE_2));
FAIL_(crypt_activate_by_volume_key(cd, CDEVICE_2, NULL, 0, 0), "not yet formatted");
OK_(crypt_format(cd, CRYPT_LUKS1, "aes", "cbc-essiv:sha256", NULL, NULL, 16, NULL));
OK_(crypt_activate_by_volume_key(cd, CDEVICE_2, NULL, 0, 0));
EQ_(crypt_status(cd, CDEVICE_2), CRYPT_ACTIVE);
crypt_free(cd);
OK_(crypt_init_by_name(&cd, CDEVICE_2));
OK_(crypt_deactivate(cd, CDEVICE_2));
crypt_free(cd);
// Dirty checks: device without UUID
// we should be able to remove it but not manuipulate with it
snprintf(tmp, sizeof(tmp), "dmsetup create %s --table \""
"0 100 crypt aes-cbc-essiv:sha256 deadbabedeadbabedeadbabedeadbabe 0 "
"%s 2048\"", CDEVICE_2, DEVICE_2);
_system(tmp, 1);
OK_(crypt_init_by_name(&cd, CDEVICE_2));
OK_(crypt_deactivate(cd, CDEVICE_2));
FAIL_(crypt_activate_by_volume_key(cd, CDEVICE_2, NULL, 0, 0), "No known device type");
crypt_free(cd);
// Dirty checks: device with UUID but LUKS header key fingerprint must fail)
snprintf(tmp, sizeof(tmp), "dmsetup create %s --table \""
"0 100 crypt aes-cbc-essiv:sha256 deadbabedeadbabedeadbabedeadbabe 0 "
"%s 2048\" -u CRYPT-LUKS1-aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa-ctest1",
CDEVICE_2, DEVICE_2);
_system(tmp, 1);
OK_(crypt_init_by_name(&cd, CDEVICE_2));
OK_(crypt_deactivate(cd, CDEVICE_2));
FAIL_(crypt_activate_by_volume_key(cd, CDEVICE_2, NULL, 0, 0), "wrong volume key");
crypt_free(cd);
// No slots
OK_(crypt_init(&cd, DEVICE_2));
OK_(crypt_load(cd, CRYPT_LUKS1, NULL));
FAIL_(crypt_activate_by_volume_key(cd, CDEVICE_2, NULL, 0, 0), "volume key is lost");
crypt_free(cd);
// Plain device
OK_(crypt_init(&cd, DEVICE_2));
OK_(crypt_format(cd, CRYPT_PLAIN, "aes", "cbc-essiv:sha256", NULL, NULL, 16, NULL));
FAIL_(crypt_activate_by_volume_key(cd, NULL, "xxx", 3, 0), "cannot verify key with plain");
FAIL_(crypt_volume_key_verify(cd, "xxx", 3), "cannot verify key with plain");
FAIL_(crypt_activate_by_volume_key(cd, CDEVICE_2, "xxx", 3, 0), "wrong key lenght");
OK_(crypt_activate_by_volume_key(cd, CDEVICE_2, "volumekeyvolumek", 16, 0));
EQ_(crypt_status(cd, CDEVICE_2), CRYPT_ACTIVE);
OK_(crypt_deactivate(cd, CDEVICE_2));
crypt_free(cd);
}
static void HashDevicePlain(void)
{
struct crypt_device *cd;
struct crypt_params_plain params = {
.hash = NULL,
.skip = 0,
.offset = 0,
};
size_t key_size;
char *mk_hex, *keystr, key[256];
OK_(crypt_init(&cd, DEVICE_1));
OK_(crypt_format(cd, CRYPT_PLAIN, "aes", "cbc-essiv:sha256", NULL, NULL, 16, &params));
// hash PLAIN, short key
OK_(_prepare_keyfile(KEYFILE1, "tooshort", 8));
FAIL_(crypt_activate_by_keyfile(cd, CDEVICE_1, CRYPT_ANY_SLOT, KEYFILE1, 16, 0), "not enough data in keyfile");
_remove_keyfiles();
// hash PLAIN, exact key
// 0 1 2 3 4 5 6 7 8 9 a b c d e f
mk_hex = "caffeecaffeecaffeecaffeecaffee88";
key_size = 16;
crypt_decode_key(key, mk_hex, key_size);
OK_(_prepare_keyfile(KEYFILE1, key, key_size));
OK_(crypt_activate_by_keyfile(cd, CDEVICE_1, CRYPT_ANY_SLOT, KEYFILE1, key_size, 0));
OK_(_get_key_dm(CDEVICE_1, key, sizeof(key)));
OK_(strcmp(key, mk_hex));
OK_(crypt_deactivate(cd, CDEVICE_1));
// Limit plain key
mk_hex = "caffeecaffeecaffeecaffeeca000000";
OK_(crypt_activate_by_keyfile(cd, CDEVICE_1, CRYPT_ANY_SLOT, KEYFILE1, key_size - 3, 0));
OK_(_get_key_dm(CDEVICE_1, key, sizeof(key)));
OK_(strcmp(key, mk_hex));
OK_(crypt_deactivate(cd, CDEVICE_1));
_remove_keyfiles();
// hash PLAIN, long key
// 0 1 2 3 4 5 6 7 8 9 a b c d e f
mk_hex = "caffeecaffeecaffeecaffeecaffee88babebabe";
key_size = 16;
crypt_decode_key(key, mk_hex, key_size);
OK_(_prepare_keyfile(KEYFILE1, key, strlen(mk_hex) / 2));
OK_(crypt_activate_by_keyfile(cd, CDEVICE_1, CRYPT_ANY_SLOT, KEYFILE1, key_size, 0));
OK_(_get_key_dm(CDEVICE_1, key, sizeof(key)));
FAIL_(strcmp(key, mk_hex), "only key length used");
OK_(strncmp(key, mk_hex, key_size));
OK_(crypt_deactivate(cd, CDEVICE_1));
// Now without explicit limit
OK_(crypt_activate_by_keyfile(cd, CDEVICE_1, CRYPT_ANY_SLOT, KEYFILE1, 0, 0));
OK_(_get_key_dm(CDEVICE_1, key, sizeof(key)));
FAIL_(strcmp(key, mk_hex), "only key length used");
OK_(strncmp(key, mk_hex, key_size));
OK_(crypt_deactivate(cd, CDEVICE_1));
_remove_keyfiles();
// hash sha256
params.hash = "sha256";
OK_(crypt_format(cd, CRYPT_PLAIN, "aes", "cbc-essiv:sha256", NULL, NULL, 16, &params));
// 0 1 2 3 4 5 6 7 8 9 a b c d e f
mk_hex = "c62e4615bd39e222572f3a1bf7c2132e";
keystr = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx";
key_size = strlen(keystr); // 32
OK_(_prepare_keyfile(KEYFILE1, keystr, strlen(keystr)));
OK_(crypt_activate_by_keyfile(cd, CDEVICE_1, CRYPT_ANY_SLOT, KEYFILE1, key_size, 0));
OK_(_get_key_dm(CDEVICE_1, key, sizeof(key)));
OK_(strcmp(key, mk_hex));
OK_(crypt_deactivate(cd, CDEVICE_1));
// Read full keyfile
OK_(crypt_activate_by_keyfile(cd, CDEVICE_1, CRYPT_ANY_SLOT, KEYFILE1, 0, 0));
OK_(_get_key_dm(CDEVICE_1, key, sizeof(key)));
OK_(strcmp(key, mk_hex));
OK_(crypt_deactivate(cd, CDEVICE_1));
_remove_keyfiles();
// Limit keyfile read
keystr = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxAAAAAAAA";
OK_(_prepare_keyfile(KEYFILE1, keystr, strlen(keystr)));
OK_(crypt_activate_by_keyfile(cd, CDEVICE_1, CRYPT_ANY_SLOT, KEYFILE1, key_size, 0));
OK_(_get_key_dm(CDEVICE_1, key, sizeof(key)));
OK_(strcmp(key, mk_hex));
OK_(crypt_deactivate(cd, CDEVICE_1));
// Full keyfile
OK_(crypt_activate_by_keyfile(cd, CDEVICE_1, CRYPT_ANY_SLOT, KEYFILE1, 0, 0));
OK_(_get_key_dm(CDEVICE_1, key, sizeof(key)));
OK_(strcmp(key, "0e49cb34a1dee1df33f6505e4de44a66"));
OK_(crypt_deactivate(cd, CDEVICE_1));
_remove_keyfiles();
// FIXME: add keyfile="-" tests somehow
crypt_free(cd);
}
// Check that gcrypt is properly initialised in format
static void NonFIPSAlg(void)
{
struct crypt_device *cd;
struct crypt_params_luks1 params = {0};
char key[128] = "";
size_t key_size = 128;
char *cipher = "aes";
char *cipher_mode = "cbc-essiv:sha256";
int ret;
OK_(crypt_init(&cd, DEVICE_2));
params.hash = "sha256";
OK_(crypt_format(cd, CRYPT_LUKS1, cipher, cipher_mode, NULL, key, key_size, &params));
params.hash = "whirlpool";
ret = crypt_format(cd, CRYPT_LUKS1, cipher, cipher_mode, NULL, key, key_size, &params);
if (ret < 0) {
printf("WARNING: whirlpool not supported, skipping test.\n");
crypt_free(cd);
return;
}
params.hash = "md5";
FAIL_(crypt_format(cd, CRYPT_LUKS1, cipher, cipher_mode, NULL, key, key_size, &params),
"MD5 unsupported, too short");
crypt_free(cd);
}
int main (int argc, char *argv[])
{
int i;
if (getuid() != 0) {
printf("You must be root to run this test.\n");
exit(0);
}
for (i = 1; i < argc; i++) {
if (!strcmp("-v", argv[i]) || !strcmp("--verbose", argv[i]))
_verbose = 1;
else if (!strcmp("--debug", argv[i]))
_debug = _verbose = 1;
}
_cleanup();
if (_setup())
goto out;
crypt_set_debug_level(_debug ? CRYPT_DEBUG_ALL : CRYPT_DEBUG_NONE);
RUN_(NonFIPSAlg, "Crypto is properly initialised in format"); //must be the first!
#if 0
RUN_(LuksUUID, "luksUUID API call");
RUN_(IsLuks, "isLuks API call");
RUN_(LuksOpen, "luksOpen API call");
RUN_(query_device, "crypt_query_device API call");
RUN_(remove_device, "crypt_remove_device API call");
RUN_(LuksFormat, "luksFormat API call");
RUN_(LuksKeyGame, "luksAddKey, RemoveKey, KillSlot API calls");
RUN_(DeviceResizeGame, "regular crypto, resize calls");
#endif
RUN_(AddDevicePlain, "plain device API creation exercise");
RUN_(HashDevicePlain, "plain device API hash test");
RUN_(AddDeviceLuks, "Format and use LUKS device");
RUN_(UseLuksDevice, "Use pre-formated LUKS device");
RUN_(SuspendDevice, "Suspend/Resume test");
RUN_(UseTempVolumes, "Format and use temporary encrypted device");
RUN_(CallbacksTest, "API callbacks test");
out:
_cleanup();
return 0;
}