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-rw-r--r--src/cryptsetup/cryptsetup-tokens/cryptsetup-token-systemd-fido2.c12
-rw-r--r--src/cryptsetup/cryptsetup-tokens/cryptsetup-token-systemd-pkcs11.c6
-rw-r--r--src/cryptsetup/cryptsetup-tokens/cryptsetup-token-systemd-tpm2.c65
-rw-r--r--src/cryptsetup/cryptsetup-tokens/luks2-fido2.c4
-rw-r--r--src/cryptsetup/cryptsetup-tokens/luks2-pkcs11.c4
-rw-r--r--src/cryptsetup/cryptsetup-tokens/luks2-tpm2.c44
-rw-r--r--src/cryptsetup/cryptsetup-tokens/luks2-tpm2.h19
7 files changed, 69 insertions, 85 deletions
diff --git a/src/cryptsetup/cryptsetup-tokens/cryptsetup-token-systemd-fido2.c b/src/cryptsetup/cryptsetup-tokens/cryptsetup-token-systemd-fido2.c
index fdb3b17..1efb7c5 100644
--- a/src/cryptsetup/cryptsetup-tokens/cryptsetup-token-systemd-fido2.c
+++ b/src/cryptsetup/cryptsetup-tokens/cryptsetup-token-systemd-fido2.c
@@ -18,7 +18,7 @@
/* for libcryptsetup debug purpose */
_public_ const char *cryptsetup_token_version(void) {
- return TOKEN_VERSION_MAJOR "." TOKEN_VERSION_MINOR " systemd-v" STRINGIFY(PROJECT_VERSION) " (" GIT_VERSION ")";
+ return TOKEN_VERSION_MAJOR "." TOKEN_VERSION_MINOR " systemd-v" PROJECT_VERSION_FULL " (" GIT_VERSION ")";
}
_public_ int cryptsetup_token_open_pin(
@@ -34,7 +34,7 @@ _public_ int cryptsetup_token_open_pin(
const char *json;
_cleanup_(erase_and_freep) char *pin_string = NULL;
- assert(!pin || pin_size);
+ assert(pin || pin_size == 0);
assert(token >= 0);
/* This must not fail at this moment (internal error) */
@@ -87,7 +87,7 @@ _public_ void cryptsetup_token_buffer_free(void *buffer, size_t buffer_len) {
*/
_public_ void cryptsetup_token_dump(
struct crypt_device *cd /* is always LUKS2 context */,
- const char *json /* validated 'systemd-tpm2' token if cryptsetup_token_validate is defined */) {
+ const char *json /* validated 'systemd-fido2' token if cryptsetup_token_validate is defined */) {
int r;
Fido2EnrollFlags required;
@@ -154,7 +154,7 @@ _public_ void cryptsetup_token_dump(
*/
_public_ int cryptsetup_token_validate(
struct crypt_device *cd, /* is always LUKS2 context */
- const char *json /* contains valid 'type' and 'keyslots' fields. 'type' is 'systemd-tpm2' */) {
+ const char *json /* contains valid 'type' and 'keyslots' fields. 'type' is 'systemd-fido2' */) {
int r;
JsonVariant *w;
@@ -172,7 +172,7 @@ _public_ int cryptsetup_token_validate(
return 1;
}
- r = unbase64mem(json_variant_string(w), SIZE_MAX, NULL, NULL);
+ r = unbase64mem(json_variant_string(w), NULL, NULL);
if (r < 0)
return crypt_log_debug_errno(cd, r, "Invalid base64 data in 'fido2-credential' field: %m");
@@ -182,7 +182,7 @@ _public_ int cryptsetup_token_validate(
return 1;
}
- r = unbase64mem(json_variant_string(w), SIZE_MAX, NULL, NULL);
+ r = unbase64mem(json_variant_string(w), NULL, NULL);
if (r < 0)
return crypt_log_debug_errno(cd, r, "Failed to decode base64 encoded salt: %m.");
diff --git a/src/cryptsetup/cryptsetup-tokens/cryptsetup-token-systemd-pkcs11.c b/src/cryptsetup/cryptsetup-tokens/cryptsetup-token-systemd-pkcs11.c
index 2ac8a27..a9898ba 100644
--- a/src/cryptsetup/cryptsetup-tokens/cryptsetup-token-systemd-pkcs11.c
+++ b/src/cryptsetup/cryptsetup-tokens/cryptsetup-token-systemd-pkcs11.c
@@ -18,7 +18,7 @@
/* for libcryptsetup debug purpose */
_public_ const char *cryptsetup_token_version(void) {
- return TOKEN_VERSION_MAJOR "." TOKEN_VERSION_MINOR " systemd-v" STRINGIFY(PROJECT_VERSION) " (" GIT_VERSION ")";
+ return TOKEN_VERSION_MAJOR "." TOKEN_VERSION_MINOR " systemd-v" PROJECT_VERSION_FULL " (" GIT_VERSION ")";
}
_public_ int cryptsetup_token_open_pin(
@@ -33,7 +33,7 @@ _public_ int cryptsetup_token_open_pin(
const char *json;
int r;
- assert(!pin || pin_size);
+ assert(pin || pin_size == 0);
assert(token >= 0);
/* This must not fail at this moment (internal error) */
@@ -136,7 +136,7 @@ _public_ int cryptsetup_token_validate(
return 1;
}
- r = unbase64mem(json_variant_string(w), SIZE_MAX, NULL, NULL);
+ r = unbase64mem(json_variant_string(w), NULL, NULL);
if (r < 0)
return crypt_log_debug_errno(cd, r, "Failed to decode base64 encoded key: %m.");
diff --git a/src/cryptsetup/cryptsetup-tokens/cryptsetup-token-systemd-tpm2.c b/src/cryptsetup/cryptsetup-tokens/cryptsetup-token-systemd-tpm2.c
index 6fee831..8b4754a 100644
--- a/src/cryptsetup/cryptsetup-tokens/cryptsetup-token-systemd-tpm2.c
+++ b/src/cryptsetup/cryptsetup-tokens/cryptsetup-token-systemd-tpm2.c
@@ -20,7 +20,7 @@
/* for libcryptsetup debug purpose */
_public_ const char *cryptsetup_token_version(void) {
- return TOKEN_VERSION_MAJOR "." TOKEN_VERSION_MINOR " systemd-v" STRINGIFY(PROJECT_VERSION) " (" GIT_VERSION ")";
+ return TOKEN_VERSION_MAJOR "." TOKEN_VERSION_MINOR " systemd-v" PROJECT_VERSION_FULL " (" GIT_VERSION ")";
}
static int log_debug_open_error(struct crypt_device *cd, int r) {
@@ -42,9 +42,8 @@ _public_ int cryptsetup_token_open_pin(
void *usrptr /* plugin defined parameter passed to crypt_activate_by_token*() API */) {
_cleanup_(erase_and_freep) char *base64_encoded = NULL, *pin_string = NULL;
- _cleanup_free_ void *blob = NULL, *pubkey = NULL, *policy_hash = NULL, *salt = NULL, *srk_buf = NULL;
- size_t blob_size, policy_hash_size, decrypted_key_size, pubkey_size, salt_size = 0, srk_buf_size = 0;
- _cleanup_(erase_and_freep) void *decrypted_key = NULL;
+ _cleanup_(iovec_done) struct iovec blob = {}, pubkey = {}, policy_hash = {}, salt = {}, srk = {}, pcrlock_nv = {};
+ _cleanup_(iovec_done_erase) struct iovec decrypted_key = {};
_cleanup_(json_variant_unrefp) JsonVariant *v = NULL;
uint32_t hash_pcr_mask, pubkey_pcr_mask;
systemd_tpm2_plugin_params params = {
@@ -57,7 +56,7 @@ _public_ int cryptsetup_token_open_pin(
int r;
assert(token >= 0);
- assert(!pin || pin_size > 0);
+ assert(pin || pin_size == 0);
assert(ret_password);
assert(ret_password_len);
@@ -79,21 +78,17 @@ _public_ int cryptsetup_token_open_pin(
r = tpm2_parse_luks2_json(
v,
- NULL,
+ /* ret_keyslot= */ NULL,
&hash_pcr_mask,
&pcr_bank,
&pubkey,
- &pubkey_size,
&pubkey_pcr_mask,
&primary_alg,
&blob,
- &blob_size,
&policy_hash,
- &policy_hash_size,
&salt,
- &salt_size,
- &srk_buf,
- &srk_buf_size,
+ &srk,
+ &pcrlock_nv,
&flags);
if (r < 0)
return log_debug_open_error(cd, r);
@@ -105,28 +100,24 @@ _public_ int cryptsetup_token_open_pin(
params.device,
hash_pcr_mask,
pcr_bank,
- pubkey, pubkey_size,
+ &pubkey,
pubkey_pcr_mask,
params.signature_path,
pin_string,
params.pcrlock_path,
primary_alg,
- blob,
- blob_size,
- policy_hash,
- policy_hash_size,
- salt,
- salt_size,
- srk_buf,
- srk_buf_size,
+ &blob,
+ &policy_hash,
+ &salt,
+ &srk,
+ &pcrlock_nv,
flags,
- &decrypted_key,
- &decrypted_key_size);
+ &decrypted_key);
if (r < 0)
return log_debug_open_error(cd, r);
/* Before using this key as passphrase we base64 encode it, for compat with homed */
- base64_encoded_size = base64mem(decrypted_key, decrypted_key_size, &base64_encoded);
+ base64_encoded_size = base64mem(decrypted_key.iov_base, decrypted_key.iov_len, &base64_encoded);
if (base64_encoded_size < 0)
return log_debug_open_error(cd, base64_encoded_size);
@@ -177,9 +168,8 @@ _public_ void cryptsetup_token_dump(
const char *json /* validated 'systemd-tpm2' token if cryptsetup_token_validate is defined */) {
_cleanup_free_ char *hash_pcrs_str = NULL, *pubkey_pcrs_str = NULL, *blob_str = NULL, *policy_hash_str = NULL, *pubkey_str = NULL;
- _cleanup_free_ void *blob = NULL, *pubkey = NULL, *policy_hash = NULL, *salt = NULL, *srk_buf = NULL;
+ _cleanup_(iovec_done) struct iovec blob = {}, pubkey = {}, policy_hash = {}, salt = {}, srk = {}, pcrlock_nv = {};
_cleanup_(json_variant_unrefp) JsonVariant *v = NULL;
- size_t blob_size, policy_hash_size, pubkey_size, salt_size = 0, srk_buf_size = 0;
uint32_t hash_pcr_mask, pubkey_pcr_mask;
uint16_t pcr_bank, primary_alg;
TPM2Flags flags = 0;
@@ -197,17 +187,13 @@ _public_ void cryptsetup_token_dump(
&hash_pcr_mask,
&pcr_bank,
&pubkey,
- &pubkey_size,
&pubkey_pcr_mask,
&primary_alg,
&blob,
- &blob_size,
&policy_hash,
- &policy_hash_size,
&salt,
- &salt_size,
- &srk_buf,
- &srk_buf_size,
+ &srk,
+ &pcrlock_nv,
&flags);
if (r < 0)
return (void) crypt_log_debug_errno(cd, r, "Failed to parse " TOKEN_NAME " JSON fields: %m");
@@ -220,15 +206,15 @@ _public_ void cryptsetup_token_dump(
if (!pubkey_pcrs_str)
return (void) crypt_log_debug_errno(cd, ENOMEM, "Cannot format PCR hash mask: %m");
- r = crypt_dump_buffer_to_hex_string(blob, blob_size, &blob_str);
+ r = crypt_dump_buffer_to_hex_string(blob.iov_base, blob.iov_len, &blob_str);
if (r < 0)
return (void) crypt_log_debug_errno(cd, r, "Cannot dump " TOKEN_NAME " content: %m");
- r = crypt_dump_buffer_to_hex_string(pubkey, pubkey_size, &pubkey_str);
+ r = crypt_dump_buffer_to_hex_string(pubkey.iov_base, pubkey.iov_len, &pubkey_str);
if (r < 0)
return (void) crypt_log_debug_errno(cd, r, "Cannot dump " TOKEN_NAME " content: %m");
- r = crypt_dump_buffer_to_hex_string(policy_hash, policy_hash_size, &policy_hash_str);
+ r = crypt_dump_buffer_to_hex_string(policy_hash.iov_base, policy_hash.iov_len, &policy_hash_str);
if (r < 0)
return (void) crypt_log_debug_errno(cd, r, "Cannot dump " TOKEN_NAME " content: %m");
@@ -241,8 +227,9 @@ _public_ void cryptsetup_token_dump(
crypt_log(cd, "\ttpm2-policy-hash:" CRYPT_DUMP_LINE_SEP "%s\n", policy_hash_str);
crypt_log(cd, "\ttpm2-pin: %s\n", true_false(flags & TPM2_FLAGS_USE_PIN));
crypt_log(cd, "\ttpm2-pcrlock: %s\n", true_false(flags & TPM2_FLAGS_USE_PCRLOCK));
- crypt_log(cd, "\ttpm2-salt: %s\n", true_false(salt));
- crypt_log(cd, "\ttpm2-srk: %s\n", true_false(srk_buf));
+ crypt_log(cd, "\ttpm2-salt: %s\n", true_false(iovec_is_set(&salt)));
+ crypt_log(cd, "\ttpm2-srk: %s\n", true_false(iovec_is_set(&srk)));
+ crypt_log(cd, "\ttpm2-pcrlock-nv: %s\n", true_false(iovec_is_set(&pcrlock_nv)));
}
/*
@@ -326,7 +313,7 @@ _public_ int cryptsetup_token_validate(
return 1;
}
- r = unbase64mem(json_variant_string(w), SIZE_MAX, NULL, NULL);
+ r = unbase64mem(json_variant_string(w), NULL, NULL);
if (r < 0)
return crypt_log_debug_errno(cd, r, "Invalid base64 data in 'tpm2-blob' field: %m");
@@ -336,7 +323,7 @@ _public_ int cryptsetup_token_validate(
return 1;
}
- r = unhexmem(json_variant_string(w), SIZE_MAX, NULL, NULL);
+ r = unhexmem(json_variant_string(w), NULL, NULL);
if (r < 0)
return crypt_log_debug_errno(cd, r, "Invalid base64 data in 'tpm2-policy-hash' field: %m");
diff --git a/src/cryptsetup/cryptsetup-tokens/luks2-fido2.c b/src/cryptsetup/cryptsetup-tokens/luks2-fido2.c
index a1c85e6..5b38613 100644
--- a/src/cryptsetup/cryptsetup-tokens/luks2-fido2.c
+++ b/src/cryptsetup/cryptsetup-tokens/luks2-fido2.c
@@ -104,7 +104,7 @@ int parse_luks2_fido2_data(
if (!w)
return -EINVAL;
- r = unbase64mem(json_variant_string(w), SIZE_MAX, &cid, &cid_size);
+ r = unbase64mem(json_variant_string(w), &cid, &cid_size);
if (r < 0)
return crypt_log_error_errno(cd, r, "Failed to parse 'fido2-credentials' field: %m");
@@ -112,7 +112,7 @@ int parse_luks2_fido2_data(
if (!w)
return -EINVAL;
- r = unbase64mem(json_variant_string(w), SIZE_MAX, &salt, &salt_size);
+ r = unbase64mem(json_variant_string(w), &salt, &salt_size);
if (r < 0)
return crypt_log_error_errno(cd, r, "Failed to parse 'fido2-salt' field: %m");
diff --git a/src/cryptsetup/cryptsetup-tokens/luks2-pkcs11.c b/src/cryptsetup/cryptsetup-tokens/luks2-pkcs11.c
index 178fc7a..ac5100f 100644
--- a/src/cryptsetup/cryptsetup-tokens/luks2-pkcs11.c
+++ b/src/cryptsetup/cryptsetup-tokens/luks2-pkcs11.c
@@ -157,7 +157,7 @@ static int acquire_luks2_key_systemd(
assert(params);
data.friendly_name = params->friendly_name;
- data.headless = params->headless;
+ data.askpw_credential = params->askpw_credential;
data.askpw_flags = params->askpw_flags;
data.until = params->until;
@@ -260,7 +260,7 @@ int parse_luks2_pkcs11_data(
if (!w)
return -EINVAL;
- r = unbase64mem(json_variant_string(w), SIZE_MAX, &key, &key_size);
+ r = unbase64mem(json_variant_string(w), &key, &key_size);
if (r < 0)
return crypt_log_debug_errno(cd, r, "Failed to decode base64 encoded key: %m.");
diff --git a/src/cryptsetup/cryptsetup-tokens/luks2-tpm2.c b/src/cryptsetup/cryptsetup-tokens/luks2-tpm2.c
index 846679f..08f901c 100644
--- a/src/cryptsetup/cryptsetup-tokens/luks2-tpm2.c
+++ b/src/cryptsetup/cryptsetup-tokens/luks2-tpm2.c
@@ -17,33 +17,27 @@ int acquire_luks2_key(
const char *device,
uint32_t hash_pcr_mask,
uint16_t pcr_bank,
- const void *pubkey,
- size_t pubkey_size,
+ const struct iovec *pubkey,
uint32_t pubkey_pcr_mask,
const char *signature_path,
const char *pin,
const char *pcrlock_path,
uint16_t primary_alg,
- const void *key_data,
- size_t key_data_size,
- const void *policy_hash,
- size_t policy_hash_size,
- const void *salt,
- size_t salt_size,
- const void *srk_buf,
- size_t srk_buf_size,
+ const struct iovec *blob,
+ const struct iovec *policy_hash,
+ const struct iovec *salt,
+ const struct iovec *srk,
+ const struct iovec *pcrlock_nv,
TPM2Flags flags,
- void **ret_decrypted_key,
- size_t *ret_decrypted_key_size) {
+ struct iovec *ret_decrypted_key) {
_cleanup_(json_variant_unrefp) JsonVariant *signature_json = NULL;
_cleanup_free_ char *auto_device = NULL;
_cleanup_(erase_and_freep) char *b64_salted_pin = NULL;
int r;
- assert(salt || salt_size == 0);
+ assert(iovec_is_valid(salt));
assert(ret_decrypted_key);
- assert(ret_decrypted_key_size);
if (!device) {
r = tpm2_find_device_auto(&auto_device);
@@ -58,10 +52,10 @@ int acquire_luks2_key(
if ((flags & TPM2_FLAGS_USE_PIN) && !pin)
return -ENOANO;
- if (pin && salt_size > 0) {
+ if (pin && iovec_is_set(salt)) {
uint8_t salted_pin[SHA256_DIGEST_SIZE] = {};
CLEANUP_ERASE(salted_pin);
- r = tpm2_util_pbkdf2_hmac_sha256(pin, strlen(pin), salt, salt_size, salted_pin);
+ r = tpm2_util_pbkdf2_hmac_sha256(pin, strlen(pin), salt->iov_base, salt->iov_len, salted_pin);
if (r < 0)
return log_error_errno(r, "Failed to perform PBKDF2: %m");
@@ -82,6 +76,14 @@ int acquire_luks2_key(
r = tpm2_pcrlock_policy_load(pcrlock_path, &pcrlock_policy);
if (r < 0)
return r;
+ if (r == 0) {
+ /* Not found? Then search among passed credentials */
+ r = tpm2_pcrlock_policy_from_credentials(srk, pcrlock_nv, &pcrlock_policy);
+ if (r < 0)
+ return r;
+ if (r == 0)
+ return log_error_errno(SYNTHETIC_ERRNO(EREMOTE), "Couldn't find pcrlock policy for volume.");
+ }
}
_cleanup_(tpm2_context_unrefp) Tpm2Context *tpm2_context = NULL;
@@ -92,16 +94,16 @@ int acquire_luks2_key(
r = tpm2_unseal(tpm2_context,
hash_pcr_mask,
pcr_bank,
- pubkey, pubkey_size,
+ pubkey,
pubkey_pcr_mask,
signature_json,
pin,
FLAGS_SET(flags, TPM2_FLAGS_USE_PCRLOCK) ? &pcrlock_policy : NULL,
primary_alg,
- key_data, key_data_size,
- policy_hash, policy_hash_size,
- srk_buf, srk_buf_size,
- ret_decrypted_key, ret_decrypted_key_size);
+ blob,
+ policy_hash,
+ srk,
+ ret_decrypted_key);
if (r < 0)
return log_error_errno(r, "Failed to unseal secret using TPM2: %m");
diff --git a/src/cryptsetup/cryptsetup-tokens/luks2-tpm2.h b/src/cryptsetup/cryptsetup-tokens/luks2-tpm2.h
index 8408bab..c3a01df 100644
--- a/src/cryptsetup/cryptsetup-tokens/luks2-tpm2.h
+++ b/src/cryptsetup/cryptsetup-tokens/luks2-tpm2.h
@@ -10,21 +10,16 @@ int acquire_luks2_key(
const char *device,
uint32_t pcr_mask,
uint16_t pcr_bank,
- const void *pubkey,
- size_t pubkey_size,
+ const struct iovec *pubkey,
uint32_t pubkey_pcr_mask,
const char *signature_path,
const char *pin,
const char *pcrlock_path,
uint16_t primary_alg,
- const void *key_data,
- size_t key_data_size,
- const void *policy_hash,
- size_t policy_hash_size,
- const void *salt,
- size_t salt_size,
- const void *srk_buf,
- size_t srk_buf_size,
+ const struct iovec *key_data,
+ const struct iovec *policy_hash,
+ const struct iovec *salt,
+ const struct iovec *srk,
+ const struct iovec *pcrlock_nv,
TPM2Flags flags,
- void **ret_decrypted_key,
- size_t *ret_decrypted_key_size);
+ struct iovec *decrypted_key);