#include <stdint.h>
#include <stdarg.h>
#include <unistd.h>
+#include <inttypes.h>
-#include <libintl.h>
-#include <locale.h>
-#define _(String) gettext((String))
+#include "nls.h"
+#include "utils_crypt.h"
+#include "utils_loop.h"
+#include "utils_dm.h"
+
+/* to silent gcc -Wcast-qual for const cast */
+#define CONST_CAST(x) (x)(uintptr_t)
#define SECTOR_SHIFT 9
#define SECTOR_SIZE (1 << SECTOR_SHIFT)
-#define DEFAULT_ALIGNMENT 4096
+#define DEFAULT_DISK_ALIGNMENT 1048576 /* 1MiB */
+#define DEFAULT_MEM_ALIGNMENT 4096
/* private struct crypt_options flags */
#define CRYPT_FLAG_PRIVATE_MASK ((unsigned int)-1 << 24)
-struct hash_type {
- char *name;
- void *private;
- int (*fn)(void *data, int size, char *key,
- int sizep, const char *passphrase);
-};
+#define at_least(a, b) ({ __typeof__(a) __at_least = (a); (__at_least >= (b))?__at_least:(b); })
-struct hash_backend {
- const char *name;
- struct hash_type * (*get_hashes)(void);
- void (*free_hashes)(struct hash_type *hashes);
+struct crypt_device;
+
+struct volume_key {
+ size_t keylength;
+ char key[];
};
-struct crypt_device;
+struct volume_key *crypt_alloc_volume_key(unsigned keylength, const char *key);
+struct volume_key *crypt_generate_volume_key(struct crypt_device *cd, unsigned keylength);
+void crypt_free_volume_key(struct volume_key *vk);
+
+int crypt_confirm(struct crypt_device *cd, const char *msg);
void set_error_va(const char *fmt, va_list va);
void set_error(const char *fmt, ...);
const char *get_error(void);
-void *safe_alloc(size_t size);
-void safe_free(void *data);
-void *safe_realloc(void *data, size_t size);
-char *safe_strdup(const char *s);
-
-struct hash_backend *get_hash_backend(const char *name);
-void put_hash_backend(struct hash_backend *backend);
-int hash(const char *backend_name, const char *hash_name,
- char *result, size_t size,
- const char *passphrase, size_t sizep);
-
-void hexprint(char *d, int n);
-
-/* Device mapper backend */
-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_query_device(const char *name,
- char **device,
- uint64_t *size,
- uint64_t *skip,
- uint64_t *offset,
- char **cipher,
- int *key_size,
- char **key,
- int *read_only);
-int dm_create_device(const char *name, const char *device, const char *cipher, const char *uuid,
- uint64_t size, uint64_t skip, uint64_t offset,
- size_t key_size, const char *key,
- int read_only, int reload);
+
+char *crypt_lookup_dev(const char *dev_id);
+int crypt_sysfs_check_crypt_segment(const char *device, uint64_t offset, uint64_t size);
int sector_size_for_device(const char *device);
-ssize_t write_blockwise(int fd, const void *buf, size_t count);
+int device_read_ahead(const char *dev, uint32_t *read_ahead);
+ssize_t write_blockwise(int fd, void *buf, size_t count);
ssize_t read_blockwise(int fd, void *_buf, size_t count);
-ssize_t write_lseek_blockwise(int fd, const char *buf, size_t count, off_t offset);
-
-
-int get_key(char *prompt, char **key, unsigned int *passLen, int key_size,
- const char *key_file, int passphrase_fd, int timeout, int how2verify);
-
-int memlock_inc(struct crypt_device *ctx);
-int memlock_dec(struct crypt_device *ctx);
+ssize_t write_lseek_blockwise(int fd, char *buf, size_t count, off_t offset);
+int device_ready(struct crypt_device *cd, const char *device, int mode);
+int device_size(const char *device, uint64_t *size);
+
+enum devcheck { DEV_OK = 0, DEV_EXCL = 1, DEV_SHARED = 2 };
+int device_check_and_adjust(struct crypt_device *cd,
+ const char *device,
+ enum devcheck device_check,
+ uint64_t *size,
+ uint64_t *offset,
+ uint32_t *flags);
+int wipe_device_header(const char *device, int sectors);
+
+void logger(struct crypt_device *cd, int class, const char *file, int line, const char *format, ...);
+#define log_dbg(x...) logger(NULL, CRYPT_LOG_DEBUG, __FILE__, __LINE__, x)
+#define log_std(c, x...) logger(c, CRYPT_LOG_NORMAL, __FILE__, __LINE__, x)
+#define log_verbose(c, x...) logger(c, CRYPT_LOG_VERBOSE, __FILE__, __LINE__, x)
+#define log_err(c, x...) do { \
+ logger(c, CRYPT_LOG_ERROR, __FILE__, __LINE__, x); \
+ set_error(x); } while(0)
+
+int crypt_get_debug_level(void);
+void debug_processes_using_device(const char *name);
+
+int crypt_memlock_inc(struct crypt_device *ctx);
+int crypt_memlock_dec(struct crypt_device *ctx);
+
+void get_topology_alignment(const char *device,
+ unsigned long *required_alignment, /* bytes */
+ unsigned long *alignment_offset, /* bytes */
+ unsigned long default_alignment);
+
+enum { CRYPT_RND_NORMAL = 0, CRYPT_RND_KEY = 1 };
+int crypt_random_init(struct crypt_device *ctx);
+int crypt_random_get(struct crypt_device *ctx, char *buf, size_t len, int quality);
+void crypt_random_exit(void);
+int crypt_random_default_key_rng(void);
+
+int crypt_plain_hash(struct crypt_device *ctx,
+ const char *hash_name,
+ char *key, size_t key_size,
+ const char *passphrase, size_t passphrase_size);
+int PLAIN_activate(struct crypt_device *cd,
+ const char *name,
+ struct volume_key *vk,
+ uint64_t size,
+ uint32_t flags);
#endif /* INTERNAL_H */
projects / platform / upstream / cryptsetup.git / blobdiff