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homework: make libcryptsetup dep runtime optional

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This commit is contained in:
Lennart Poettering
2021-06-01 13:32:40 +02:00
parent e49614278d
commit 71eceff645
6 changed files with 151 additions and 73 deletions
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src/shared/cryptsetup-util.c
+35 -5
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@@ -17,23 +17,38 @@ int (*sym_crypt_activate_by_volume_key)(struct crypt_device *cd, const char *nam
int (*sym_crypt_deactivate_by_name)(struct crypt_device *cd, const char *name, uint32_t flags);
int (*sym_crypt_format)(struct crypt_device *cd, const char *type, const char *cipher, const char *cipher_mode, const char *uuid, const char *volume_key, size_t volume_key_size, void *params);
void (*sym_crypt_free)(struct crypt_device *cd);
const char *(*sym_crypt_get_cipher)(struct crypt_device *cd);
const char *(*sym_crypt_get_cipher_mode)(struct crypt_device *cd);
uint64_t (*sym_crypt_get_data_offset)(struct crypt_device *cd);
const char *(*sym_crypt_get_device_name)(struct crypt_device *cd);
const char *(*sym_crypt_get_dir)(void);
const char *(*sym_crypt_get_type)(struct crypt_device *cd);
const char *(*sym_crypt_get_uuid)(struct crypt_device *cd);
int (*sym_crypt_get_verity_info)(struct crypt_device *cd, struct crypt_params_verity *vp);
int (*sym_crypt_get_volume_key_size)(struct crypt_device *cd);
int (*sym_crypt_init)(struct crypt_device **cd, const char *device);
int (*sym_crypt_init_by_name)(struct crypt_device **cd, const char *name);
int (*sym_crypt_keyslot_add_by_volume_key)(struct crypt_device *cd, int keyslot, const char *volume_key, size_t volume_key_size, const char *passphrase, size_t passphrase_size);
int (*sym_crypt_keyslot_destroy)(struct crypt_device *cd, int keyslot);
int (*sym_crypt_keyslot_max)(const char *type);
int (*sym_crypt_load)(struct crypt_device *cd, const char *requested_type, void *params);
int (*sym_crypt_resize)(struct crypt_device *cd, const char *name, uint64_t new_size);
int (*sym_crypt_resume_by_passphrase)(struct crypt_device *cd, const char *name, int keyslot, const char *passphrase, size_t passphrase_size);
int (*sym_crypt_set_data_device)(struct crypt_device *cd, const char *device);
void (*sym_crypt_set_debug_level)(int level);
void (*sym_crypt_set_log_callback)(struct crypt_device *cd, void (*log)(int level, const char *msg, void *usrptr), void *usrptr);
int (*sym_crypt_set_pbkdf_type)(struct crypt_device *cd, const struct crypt_pbkdf_type *pbkdf) = NULL;
int (*sym_crypt_token_json_get)(struct crypt_device *cd, int token, const char **json) = NULL;
int (*sym_crypt_token_json_set)(struct crypt_device *cd, int token, const char *json) = NULL;
int (*sym_crypt_volume_key_get)(struct crypt_device *cd, int keyslot, char *volume_key, size_t *volume_key_size, const char *passphrase, size_t passphrase_size);
#if HAVE_CRYPT_SET_METADATA_SIZE
int (*sym_crypt_set_metadata_size)(struct crypt_device *cd, uint64_t metadata_size, uint64_t keyslots_size);
#endif
int (*sym_crypt_set_pbkdf_type)(struct crypt_device *cd, const struct crypt_pbkdf_type *pbkdf);
int (*sym_crypt_suspend)(struct crypt_device *cd, const char *name);
int (*sym_crypt_token_json_get)(struct crypt_device *cd, int token, const char **json);
int (*sym_crypt_token_json_set)(struct crypt_device *cd, int token, const char *json);
#if HAVE_CRYPT_TOKEN_MAX
int (*sym_crypt_token_max)(const char *type);
#endif
crypt_token_info (*sym_crypt_token_status)(struct crypt_device *cd, int token, const char **type);
int (*sym_crypt_volume_key_get)(struct crypt_device *cd, int keyslot, char *volume_key, size_t *volume_key_size, const char *passphrase, size_t passphrase_size);
int dlopen_cryptsetup(void) {
_cleanup_(dlclosep) void *dl = NULL;
@@ -58,23 +73,38 @@ int dlopen_cryptsetup(void) {
DLSYM_ARG(crypt_deactivate_by_name),
DLSYM_ARG(crypt_format),
DLSYM_ARG(crypt_free),
DLSYM_ARG(crypt_get_cipher),
DLSYM_ARG(crypt_get_cipher_mode),
DLSYM_ARG(crypt_get_data_offset),
DLSYM_ARG(crypt_get_device_name),
DLSYM_ARG(crypt_get_dir),
DLSYM_ARG(crypt_get_type),
DLSYM_ARG(crypt_get_uuid),
DLSYM_ARG(crypt_get_verity_info),
DLSYM_ARG(crypt_get_volume_key_size),
DLSYM_ARG(crypt_init),
DLSYM_ARG(crypt_init_by_name),
DLSYM_ARG(crypt_keyslot_add_by_volume_key),
DLSYM_ARG(crypt_keyslot_destroy),
DLSYM_ARG(crypt_keyslot_max),
DLSYM_ARG(crypt_load),
DLSYM_ARG(crypt_resize),
DLSYM_ARG(crypt_resume_by_passphrase),
DLSYM_ARG(crypt_set_data_device),
DLSYM_ARG(crypt_set_debug_level),
DLSYM_ARG(crypt_set_log_callback),
#if HAVE_CRYPT_SET_METADATA_SIZE
DLSYM_ARG(crypt_set_metadata_size),
#endif
DLSYM_ARG(crypt_set_pbkdf_type),
DLSYM_ARG(crypt_suspend),
DLSYM_ARG(crypt_token_json_get),
DLSYM_ARG(crypt_token_json_set),
DLSYM_ARG(crypt_volume_key_get),
#if HAVE_CRYPT_TOKEN_MAX
DLSYM_ARG(crypt_token_max),
#endif
DLSYM_ARG(crypt_token_status),
DLSYM_ARG(crypt_volume_key_get),
NULL);
if (r < 0)
return r;