mirror of
https://gitlab.com/cryptsetup/cryptsetup.git
synced 2025-12-13 11:50:10 +01:00
1bf26b9a90
* Do not allow key retrieval while suspended (key could be wiped). * Do not allow suspend for non-LUKS devices. * Support retries and timeout parameters for luksSuspend. Add luksSuspend/Resume test. git-svn-id: https://cryptsetup.googlecode.com/svn/trunk@574 36d66b0a-2a48-0410-832c-cd162a569da5
61 lines
1.9 KiB
C
61 lines
1.9 KiB
C
#ifndef _UTILS_DM_H
|
|
#define _UTILS_DM_H
|
|
|
|
/* device-mapper library helpers */
|
|
#include <inttypes.h>
|
|
|
|
struct crypt_device;
|
|
struct volume_key;
|
|
|
|
/* Device mapper backend - kernel support flags */
|
|
#define DM_KEY_WIPE_SUPPORTED (1 << 0) /* key wipe message */
|
|
#define DM_LMK_SUPPORTED (1 << 1) /* lmk mode */
|
|
#define DM_SECURE_SUPPORTED (1 << 2) /* wipe (secure) buffer flag */
|
|
#define DM_PLAIN64_SUPPORTED (1 << 3) /* plain64 IV */
|
|
#define DM_DISCARDS_SUPPORTED (1 << 4) /* discards/TRIM option is supported */
|
|
uint32_t dm_flags(void);
|
|
|
|
#define DM_ACTIVE_DEVICE (1 << 0)
|
|
#define DM_ACTIVE_CIPHER (1 << 1)
|
|
#define DM_ACTIVE_UUID (1 << 2)
|
|
#define DM_ACTIVE_KEYSIZE (1 << 3)
|
|
#define DM_ACTIVE_KEY (1 << 4)
|
|
|
|
struct crypt_dm_active_device {
|
|
const char *device;
|
|
const char *cipher;
|
|
const char *uuid;
|
|
|
|
/* Active key for device */
|
|
struct volume_key *vk;
|
|
|
|
/* struct crypt_active_device */
|
|
uint64_t offset; /* offset in sectors */
|
|
uint64_t iv_offset; /* IV initilisation sector */
|
|
uint64_t size; /* active device size */
|
|
uint32_t flags; /* activation flags */
|
|
};
|
|
|
|
const char *dm_get_dir(void);
|
|
int dm_init(struct crypt_device *context, int check_kernel);
|
|
void dm_exit(void);
|
|
int dm_remove_device(const char *name, int force, uint64_t size);
|
|
int dm_status_device(const char *name);
|
|
int dm_status_suspended(const char *name);
|
|
int dm_query_device(const char *name, uint32_t get_flags,
|
|
struct crypt_dm_active_device *dmd);
|
|
int dm_create_device(const char *name,
|
|
const char *type,
|
|
struct crypt_dm_active_device *dmd,
|
|
int reload);
|
|
int dm_suspend_and_wipe_key(const char *name);
|
|
int dm_resume_and_reinstate_key(const char *name,
|
|
size_t key_size,
|
|
const char *key);
|
|
char *dm_device_path(const char *prefix, int major, int minor);
|
|
int dm_is_dm_device(int major, int minor);
|
|
int dm_is_dm_kernel_name(const char *name);
|
|
int dm_check_segment(const char *name, uint64_t offset, uint64_t size);
|
|
|
|
#endif /* _UTILS_DM_H */
|