+++ /dev/null
-/* SPDX-License-Identifier: LGPL-2.1-or-later */
-
-#include "alloc-util.h"
-#include "ask-password-api.h"
-#include "cryptsetup-tpm2.h"
-#include "env-util.h"
-#include "fileio.h"
-#include "hexdecoct.h"
-#include "json.h"
-#include "parse-util.h"
-#include "random-util.h"
-#include "sha256.h"
-#include "tpm2-util.h"
-
-static int get_pin(usec_t until, AskPasswordFlags ask_password_flags, bool headless, char **ret_pin_str) {
- _cleanup_(erase_and_freep) char *pin_str = NULL;
- _cleanup_strv_free_erase_ char **pin = NULL;
- int r;
-
- assert(ret_pin_str);
-
- r = getenv_steal_erase("PIN", &pin_str);
- if (r < 0)
- return log_error_errno(r, "Failed to acquire PIN from environment: %m");
- if (!r) {
- if (headless)
- return log_error_errno(
- SYNTHETIC_ERRNO(ENOPKG),
- "PIN querying disabled via 'headless' option. "
- "Use the '$PIN' environment variable.");
-
- pin = strv_free_erase(pin);
- r = ask_password_auto(
- "Please enter TPM2 PIN:",
- "drive-harddisk",
- NULL,
- "tpm2-pin",
- "cryptsetup.tpm2-pin",
- until,
- ask_password_flags,
- &pin);
- if (r < 0)
- return log_error_errno(r, "Failed to ask for user pin: %m");
- assert(strv_length(pin) == 1);
-
- pin_str = strdup(pin[0]);
- if (!pin_str)
- return log_oom();
- }
-
- *ret_pin_str = TAKE_PTR(pin_str);
-
- return r;
-}
-
-int acquire_tpm2_key(
- const char *volume_name,
- const char *device,
- uint32_t hash_pcr_mask,
- uint16_t pcr_bank,
- const struct iovec *pubkey,
- uint32_t pubkey_pcr_mask,
- const char *signature_path,
- const char *pcrlock_path,
- uint16_t primary_alg,
- const char *key_file,
- size_t key_file_size,
- uint64_t key_file_offset,
- 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,
- usec_t until,
- bool headless,
- AskPasswordFlags ask_password_flags,
- struct iovec *ret_decrypted_key) {
-
- _cleanup_(json_variant_unrefp) JsonVariant *signature_json = NULL;
- _cleanup_free_ void *loaded_blob = NULL;
- _cleanup_free_ char *auto_device = NULL;
- struct iovec blob;
- int r;
-
- assert(iovec_is_valid(salt));
-
- if (!device) {
- r = tpm2_find_device_auto(&auto_device);
- if (r == -ENODEV)
- return -EAGAIN; /* Tell the caller to wait for a TPM2 device to show up */
- if (r < 0)
- return log_error_errno(r, "Could not find TPM2 device: %m");
-
- device = auto_device;
- }
-
- if (iovec_is_set(key_data))
- blob = *key_data;
- else {
- _cleanup_free_ char *bindname = NULL;
-
- /* If we read the salt via AF_UNIX, make this client recognizable */
- if (asprintf(&bindname, "@%" PRIx64"/cryptsetup-tpm2/%s", random_u64(), volume_name) < 0)
- return log_oom();
-
- r = read_full_file_full(
- AT_FDCWD, key_file,
- key_file_offset == 0 ? UINT64_MAX : key_file_offset,
- key_file_size == 0 ? SIZE_MAX : key_file_size,
- READ_FULL_FILE_CONNECT_SOCKET,
- bindname,
- (char**) &loaded_blob, &blob.iov_len);
- if (r < 0)
- return r;
-
- blob.iov_base = loaded_blob;
- }
-
- if (pubkey_pcr_mask != 0) {
- r = tpm2_load_pcr_signature(signature_path, &signature_json);
- if (r < 0)
- return log_error_errno(r, "Failed to load pcr signature: %m");
- }
-
- _cleanup_(tpm2_pcrlock_policy_done) Tpm2PCRLockPolicy pcrlock_policy = {};
-
- if (FLAGS_SET(flags, TPM2_FLAGS_USE_PCRLOCK)) {
- 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;
- r = tpm2_context_new(device, &tpm2_context);
- if (r < 0)
- return log_error_errno(r, "Failed to create TPM2 context: %m");
-
- if (!(flags & TPM2_FLAGS_USE_PIN)) {
- r = tpm2_unseal(tpm2_context,
- hash_pcr_mask,
- pcr_bank,
- pubkey,
- pubkey_pcr_mask,
- signature_json,
- /* pin= */ NULL,
- FLAGS_SET(flags, TPM2_FLAGS_USE_PCRLOCK) ? &pcrlock_policy : NULL,
- primary_alg,
- &blob,
- policy_hash,
- srk,
- ret_decrypted_key);
- if (r < 0)
- return log_error_errno(r, "Failed to unseal secret using TPM2: %m");
-
- return r;
- }
-
- for (int i = 5;; i--) {
- _cleanup_(erase_and_freep) char *pin_str = NULL, *b64_salted_pin = NULL;
-
- if (i <= 0)
- return -EACCES;
-
- r = get_pin(until, ask_password_flags, headless, &pin_str);
- if (r < 0)
- return r;
-
- if (iovec_is_set(salt)) {
- uint8_t salted_pin[SHA256_DIGEST_SIZE] = {};
- CLEANUP_ERASE(salted_pin);
-
- r = tpm2_util_pbkdf2_hmac_sha256(pin_str, strlen(pin_str), salt->iov_base, salt->iov_len, salted_pin);
- if (r < 0)
- return log_error_errno(r, "Failed to perform PBKDF2: %m");
-
- r = base64mem(salted_pin, sizeof(salted_pin), &b64_salted_pin);
- if (r < 0)
- return log_error_errno(r, "Failed to base64 encode salted pin: %m");
- } else
- /* no salting needed, backwards compat with non-salted pins */
- b64_salted_pin = TAKE_PTR(pin_str);
-
- r = tpm2_unseal(tpm2_context,
- hash_pcr_mask,
- pcr_bank,
- pubkey,
- pubkey_pcr_mask,
- signature_json,
- b64_salted_pin,
- pcrlock_path ? &pcrlock_policy : NULL,
- primary_alg,
- &blob,
- policy_hash,
- srk,
- ret_decrypted_key);
- if (r < 0) {
- log_error_errno(r, "Failed to unseal secret using TPM2: %m");
-
- /* We get this error in case there is an authentication policy mismatch. This should
- * not happen, but this avoids confusing behavior, just in case. */
- if (!IN_SET(r, -EPERM, -ENOLCK))
- continue;
- }
-
- return r;
- }
-}
-
-int find_tpm2_auto_data(
- struct crypt_device *cd,
- uint32_t search_pcr_mask,
- int start_token,
- uint32_t *ret_hash_pcr_mask,
- uint16_t *ret_pcr_bank,
- struct iovec *ret_pubkey,
- uint32_t *ret_pubkey_pcr_mask,
- uint16_t *ret_primary_alg,
- struct iovec *ret_blob,
- struct iovec *ret_policy_hash,
- struct iovec *ret_salt,
- struct iovec *ret_srk,
- struct iovec *ret_pcrlock_nv,
- TPM2Flags *ret_flags,
- int *ret_keyslot,
- int *ret_token) {
-
- int r, token;
-
- assert(cd);
-
- for (token = start_token; token < sym_crypt_token_max(CRYPT_LUKS2); token++) {
- _cleanup_(iovec_done) struct iovec blob = {}, policy_hash = {}, pubkey = {}, salt = {}, srk = {}, pcrlock_nv = {};
- _cleanup_(json_variant_unrefp) JsonVariant *v = NULL;
- uint32_t hash_pcr_mask, pubkey_pcr_mask;
- uint16_t pcr_bank, primary_alg;
- TPM2Flags flags;
- int keyslot;
-
- r = cryptsetup_get_token_as_json(cd, token, "systemd-tpm2", &v);
- if (IN_SET(r, -ENOENT, -EINVAL, -EMEDIUMTYPE))
- continue;
- if (r < 0)
- return log_error_errno(r, "Failed to read JSON token data off disk: %m");
-
- r = tpm2_parse_luks2_json(
- v,
- &keyslot,
- &hash_pcr_mask,
- &pcr_bank,
- &pubkey,
- &pubkey_pcr_mask,
- &primary_alg,
- &blob,
- &policy_hash,
- &salt,
- &srk,
- &pcrlock_nv,
- &flags);
- if (r == -EUCLEAN) /* Gracefully handle issues in JSON fields not owned by us */
- continue;
- if (r < 0)
- return log_error_errno(r, "Failed to parse TPM2 JSON data: %m");
-
- if (search_pcr_mask == UINT32_MAX ||
- search_pcr_mask == hash_pcr_mask) {
-
- if (start_token <= 0)
- log_info("Automatically discovered security TPM2 token unlocks volume.");
-
- *ret_hash_pcr_mask = hash_pcr_mask;
- *ret_pcr_bank = pcr_bank;
- *ret_pubkey = TAKE_STRUCT(pubkey);
- *ret_pubkey_pcr_mask = pubkey_pcr_mask;
- *ret_primary_alg = primary_alg;
- *ret_blob = TAKE_STRUCT(blob);
- *ret_policy_hash = TAKE_STRUCT(policy_hash);
- *ret_salt = TAKE_STRUCT(salt);
- *ret_keyslot = keyslot;
- *ret_token = token;
- *ret_srk = TAKE_STRUCT(srk);
- *ret_pcrlock_nv = TAKE_STRUCT(pcrlock_nv);
- *ret_flags = flags;
- return 0;
- }
-
- /* PCR mask doesn't match what is configured, ignore this entry, let's see next */
- }
-
- return log_error_errno(SYNTHETIC_ERRNO(ENXIO), "No valid TPM2 token data found.");
-}
+++ /dev/null
-/* SPDX-License-Identifier: LGPL-2.1-or-later */
-#pragma once
-
-#include <sys/types.h>
-
-#include "ask-password-api.h"
-#include "cryptsetup-util.h"
-#include "log.h"
-#include "time-util.h"
-#include "tpm2-util.h"
-
-#if HAVE_TPM2
-
-int acquire_tpm2_key(
- const char *volume_name,
- const char *device,
- uint32_t hash_pcr_mask,
- uint16_t pcr_bank,
- const struct iovec *pubkey,
- uint32_t pubkey_pcr_mask,
- const char *signature_path,
- const char *pcrlock_path,
- uint16_t primary_alg,
- const char *key_file,
- size_t key_file_size,
- uint64_t key_file_offset,
- 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,
- usec_t until,
- bool headless,
- AskPasswordFlags ask_password_flags,
- struct iovec *ret_decrypted_key);
-
-int find_tpm2_auto_data(
- struct crypt_device *cd,
- uint32_t search_pcr_mask,
- int start_token,
- uint32_t *ret_hash_pcr_mask,
- uint16_t *ret_pcr_bank,
- struct iovec *ret_pubkey,
- uint32_t *ret_pubkey_pcr_mask,
- uint16_t *ret_primary_alg,
- struct iovec *ret_blob,
- struct iovec *ret_policy_hash,
- struct iovec *ret_salt,
- struct iovec *ret_srk,
- struct iovec *ret_pcrlock_nv,
- TPM2Flags *ret_flags,
- int *ret_keyslot,
- int *ret_token);
-
-#else
-
-static inline int acquire_tpm2_key(
- const char *volume_name,
- const char *device,
- uint32_t hash_pcr_mask,
- uint16_t pcr_bank,
- const struct iovec *pubkey,
- uint32_t pubkey_pcr_mask,
- const char *signature_path,
- const char *pcrlock_path,
- uint16_t primary_alg,
- const char *key_file,
- size_t key_file_size,
- uint64_t key_file_offset,
- 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,
- usec_t until,
- bool headless,
- AskPasswordFlags ask_password_flags,
- struct iovec *ret_decrypted_key) {
-
- return log_error_errno(SYNTHETIC_ERRNO(EOPNOTSUPP),
- "TPM2 support not available.");
-}
-
-static inline int find_tpm2_auto_data(
- struct crypt_device *cd,
- uint32_t search_pcr_mask,
- int start_token,
- uint32_t *ret_hash_pcr_mask,
- uint16_t *ret_pcr_bank,
- struct iovec *ret_pubkey,
- uint32_t *ret_pubkey_pcr_mask,
- uint16_t *ret_primary_alg,
- struct iovec *ret_blob,
- struct iovec *ret_policy_hash,
- struct iovec *ret_salt,
- struct iovec *ret_srk,
- struct iovec *ret_pcrlock_nv,
- TPM2Flags *ret_flags,
- int *ret_keyslot,
- int *ret_token) {
-
- return log_error_errno(SYNTHETIC_ERRNO(EOPNOTSUPP),
- "TPM2 support not available.");
-}
-
-#endif
systemd_cryptsetup_sources += files('cryptsetup-pkcs11.c')
endif
-if conf.get('HAVE_TPM2') == 1
- systemd_cryptsetup_sources += files('cryptsetup-tpm2.c')
-endif
-
executables += [
executable_template + {
'name' : 'systemd-cryptsetup',
--- /dev/null
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include "alloc-util.h"
+#include "ask-password-api.h"
+#include "cryptsetup-tpm2.h"
+#include "env-util.h"
+#include "fileio.h"
+#include "hexdecoct.h"
+#include "json.h"
+#include "parse-util.h"
+#include "random-util.h"
+#include "sha256.h"
+#include "tpm2-util.h"
+
+static int get_pin(usec_t until, AskPasswordFlags ask_password_flags, bool headless, char **ret_pin_str) {
+ _cleanup_(erase_and_freep) char *pin_str = NULL;
+ _cleanup_strv_free_erase_ char **pin = NULL;
+ int r;
+
+ assert(ret_pin_str);
+
+ r = getenv_steal_erase("PIN", &pin_str);
+ if (r < 0)
+ return log_error_errno(r, "Failed to acquire PIN from environment: %m");
+ if (!r) {
+ if (headless)
+ return log_error_errno(
+ SYNTHETIC_ERRNO(ENOPKG),
+ "PIN querying disabled via 'headless' option. "
+ "Use the '$PIN' environment variable.");
+
+ pin = strv_free_erase(pin);
+ r = ask_password_auto(
+ "Please enter TPM2 PIN:",
+ "drive-harddisk",
+ NULL,
+ "tpm2-pin",
+ "cryptsetup.tpm2-pin",
+ until,
+ ask_password_flags,
+ &pin);
+ if (r < 0)
+ return log_error_errno(r, "Failed to ask for user pin: %m");
+ assert(strv_length(pin) == 1);
+
+ pin_str = strdup(pin[0]);
+ if (!pin_str)
+ return log_oom();
+ }
+
+ *ret_pin_str = TAKE_PTR(pin_str);
+
+ return r;
+}
+
+int acquire_tpm2_key(
+ const char *volume_name,
+ const char *device,
+ uint32_t hash_pcr_mask,
+ uint16_t pcr_bank,
+ const struct iovec *pubkey,
+ uint32_t pubkey_pcr_mask,
+ const char *signature_path,
+ const char *pcrlock_path,
+ uint16_t primary_alg,
+ const char *key_file,
+ size_t key_file_size,
+ uint64_t key_file_offset,
+ 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,
+ usec_t until,
+ bool headless,
+ AskPasswordFlags ask_password_flags,
+ struct iovec *ret_decrypted_key) {
+
+ _cleanup_(json_variant_unrefp) JsonVariant *signature_json = NULL;
+ _cleanup_free_ void *loaded_blob = NULL;
+ _cleanup_free_ char *auto_device = NULL;
+ struct iovec blob;
+ int r;
+
+ assert(iovec_is_valid(salt));
+
+ if (!device) {
+ r = tpm2_find_device_auto(&auto_device);
+ if (r == -ENODEV)
+ return -EAGAIN; /* Tell the caller to wait for a TPM2 device to show up */
+ if (r < 0)
+ return log_error_errno(r, "Could not find TPM2 device: %m");
+
+ device = auto_device;
+ }
+
+ if (iovec_is_set(key_data))
+ blob = *key_data;
+ else {
+ _cleanup_free_ char *bindname = NULL;
+
+ /* If we read the salt via AF_UNIX, make this client recognizable */
+ if (asprintf(&bindname, "@%" PRIx64"/cryptsetup-tpm2/%s", random_u64(), volume_name) < 0)
+ return log_oom();
+
+ r = read_full_file_full(
+ AT_FDCWD, key_file,
+ key_file_offset == 0 ? UINT64_MAX : key_file_offset,
+ key_file_size == 0 ? SIZE_MAX : key_file_size,
+ READ_FULL_FILE_CONNECT_SOCKET,
+ bindname,
+ (char**) &loaded_blob, &blob.iov_len);
+ if (r < 0)
+ return r;
+
+ blob.iov_base = loaded_blob;
+ }
+
+ if (pubkey_pcr_mask != 0) {
+ r = tpm2_load_pcr_signature(signature_path, &signature_json);
+ if (r < 0)
+ return log_error_errno(r, "Failed to load pcr signature: %m");
+ }
+
+ _cleanup_(tpm2_pcrlock_policy_done) Tpm2PCRLockPolicy pcrlock_policy = {};
+
+ if (FLAGS_SET(flags, TPM2_FLAGS_USE_PCRLOCK)) {
+ 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;
+ r = tpm2_context_new(device, &tpm2_context);
+ if (r < 0)
+ return log_error_errno(r, "Failed to create TPM2 context: %m");
+
+ if (!(flags & TPM2_FLAGS_USE_PIN)) {
+ r = tpm2_unseal(tpm2_context,
+ hash_pcr_mask,
+ pcr_bank,
+ pubkey,
+ pubkey_pcr_mask,
+ signature_json,
+ /* pin= */ NULL,
+ FLAGS_SET(flags, TPM2_FLAGS_USE_PCRLOCK) ? &pcrlock_policy : NULL,
+ primary_alg,
+ &blob,
+ policy_hash,
+ srk,
+ ret_decrypted_key);
+ if (r < 0)
+ return log_error_errno(r, "Failed to unseal secret using TPM2: %m");
+
+ return r;
+ }
+
+ for (int i = 5;; i--) {
+ _cleanup_(erase_and_freep) char *pin_str = NULL, *b64_salted_pin = NULL;
+
+ if (i <= 0)
+ return -EACCES;
+
+ r = get_pin(until, ask_password_flags, headless, &pin_str);
+ if (r < 0)
+ return r;
+
+ if (iovec_is_set(salt)) {
+ uint8_t salted_pin[SHA256_DIGEST_SIZE] = {};
+ CLEANUP_ERASE(salted_pin);
+
+ r = tpm2_util_pbkdf2_hmac_sha256(pin_str, strlen(pin_str), salt->iov_base, salt->iov_len, salted_pin);
+ if (r < 0)
+ return log_error_errno(r, "Failed to perform PBKDF2: %m");
+
+ r = base64mem(salted_pin, sizeof(salted_pin), &b64_salted_pin);
+ if (r < 0)
+ return log_error_errno(r, "Failed to base64 encode salted pin: %m");
+ } else
+ /* no salting needed, backwards compat with non-salted pins */
+ b64_salted_pin = TAKE_PTR(pin_str);
+
+ r = tpm2_unseal(tpm2_context,
+ hash_pcr_mask,
+ pcr_bank,
+ pubkey,
+ pubkey_pcr_mask,
+ signature_json,
+ b64_salted_pin,
+ pcrlock_path ? &pcrlock_policy : NULL,
+ primary_alg,
+ &blob,
+ policy_hash,
+ srk,
+ ret_decrypted_key);
+ if (r < 0) {
+ log_error_errno(r, "Failed to unseal secret using TPM2: %m");
+
+ /* We get this error in case there is an authentication policy mismatch. This should
+ * not happen, but this avoids confusing behavior, just in case. */
+ if (!IN_SET(r, -EPERM, -ENOLCK))
+ continue;
+ }
+
+ return r;
+ }
+}
+
+int find_tpm2_auto_data(
+ struct crypt_device *cd,
+ uint32_t search_pcr_mask,
+ int start_token,
+ uint32_t *ret_hash_pcr_mask,
+ uint16_t *ret_pcr_bank,
+ struct iovec *ret_pubkey,
+ uint32_t *ret_pubkey_pcr_mask,
+ uint16_t *ret_primary_alg,
+ struct iovec *ret_blob,
+ struct iovec *ret_policy_hash,
+ struct iovec *ret_salt,
+ struct iovec *ret_srk,
+ struct iovec *ret_pcrlock_nv,
+ TPM2Flags *ret_flags,
+ int *ret_keyslot,
+ int *ret_token) {
+
+ int r, token;
+
+ assert(cd);
+
+ for (token = start_token; token < sym_crypt_token_max(CRYPT_LUKS2); token++) {
+ _cleanup_(iovec_done) struct iovec blob = {}, policy_hash = {}, pubkey = {}, salt = {}, srk = {}, pcrlock_nv = {};
+ _cleanup_(json_variant_unrefp) JsonVariant *v = NULL;
+ uint32_t hash_pcr_mask, pubkey_pcr_mask;
+ uint16_t pcr_bank, primary_alg;
+ TPM2Flags flags;
+ int keyslot;
+
+ r = cryptsetup_get_token_as_json(cd, token, "systemd-tpm2", &v);
+ if (IN_SET(r, -ENOENT, -EINVAL, -EMEDIUMTYPE))
+ continue;
+ if (r < 0)
+ return log_error_errno(r, "Failed to read JSON token data off disk: %m");
+
+ r = tpm2_parse_luks2_json(
+ v,
+ &keyslot,
+ &hash_pcr_mask,
+ &pcr_bank,
+ &pubkey,
+ &pubkey_pcr_mask,
+ &primary_alg,
+ &blob,
+ &policy_hash,
+ &salt,
+ &srk,
+ &pcrlock_nv,
+ &flags);
+ if (r == -EUCLEAN) /* Gracefully handle issues in JSON fields not owned by us */
+ continue;
+ if (r < 0)
+ return log_error_errno(r, "Failed to parse TPM2 JSON data: %m");
+
+ if (search_pcr_mask == UINT32_MAX ||
+ search_pcr_mask == hash_pcr_mask) {
+
+ if (start_token <= 0)
+ log_info("Automatically discovered security TPM2 token unlocks volume.");
+
+ *ret_hash_pcr_mask = hash_pcr_mask;
+ *ret_pcr_bank = pcr_bank;
+ *ret_pubkey = TAKE_STRUCT(pubkey);
+ *ret_pubkey_pcr_mask = pubkey_pcr_mask;
+ *ret_primary_alg = primary_alg;
+ *ret_blob = TAKE_STRUCT(blob);
+ *ret_policy_hash = TAKE_STRUCT(policy_hash);
+ *ret_salt = TAKE_STRUCT(salt);
+ *ret_keyslot = keyslot;
+ *ret_token = token;
+ *ret_srk = TAKE_STRUCT(srk);
+ *ret_pcrlock_nv = TAKE_STRUCT(pcrlock_nv);
+ *ret_flags = flags;
+ return 0;
+ }
+
+ /* PCR mask doesn't match what is configured, ignore this entry, let's see next */
+ }
+
+ return log_error_errno(SYNTHETIC_ERRNO(ENXIO), "No valid TPM2 token data found.");
+}
--- /dev/null
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+#pragma once
+
+#include <sys/types.h>
+
+#include "ask-password-api.h"
+#include "cryptsetup-util.h"
+#include "log.h"
+#include "time-util.h"
+#include "tpm2-util.h"
+
+#if HAVE_TPM2
+
+int acquire_tpm2_key(
+ const char *volume_name,
+ const char *device,
+ uint32_t hash_pcr_mask,
+ uint16_t pcr_bank,
+ const struct iovec *pubkey,
+ uint32_t pubkey_pcr_mask,
+ const char *signature_path,
+ const char *pcrlock_path,
+ uint16_t primary_alg,
+ const char *key_file,
+ size_t key_file_size,
+ uint64_t key_file_offset,
+ 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,
+ usec_t until,
+ bool headless,
+ AskPasswordFlags ask_password_flags,
+ struct iovec *ret_decrypted_key);
+
+int find_tpm2_auto_data(
+ struct crypt_device *cd,
+ uint32_t search_pcr_mask,
+ int start_token,
+ uint32_t *ret_hash_pcr_mask,
+ uint16_t *ret_pcr_bank,
+ struct iovec *ret_pubkey,
+ uint32_t *ret_pubkey_pcr_mask,
+ uint16_t *ret_primary_alg,
+ struct iovec *ret_blob,
+ struct iovec *ret_policy_hash,
+ struct iovec *ret_salt,
+ struct iovec *ret_srk,
+ struct iovec *ret_pcrlock_nv,
+ TPM2Flags *ret_flags,
+ int *ret_keyslot,
+ int *ret_token);
+
+#else
+
+static inline int acquire_tpm2_key(
+ const char *volume_name,
+ const char *device,
+ uint32_t hash_pcr_mask,
+ uint16_t pcr_bank,
+ const struct iovec *pubkey,
+ uint32_t pubkey_pcr_mask,
+ const char *signature_path,
+ const char *pcrlock_path,
+ uint16_t primary_alg,
+ const char *key_file,
+ size_t key_file_size,
+ uint64_t key_file_offset,
+ 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,
+ usec_t until,
+ bool headless,
+ AskPasswordFlags ask_password_flags,
+ struct iovec *ret_decrypted_key) {
+
+ return log_error_errno(SYNTHETIC_ERRNO(EOPNOTSUPP),
+ "TPM2 support not available.");
+}
+
+static inline int find_tpm2_auto_data(
+ struct crypt_device *cd,
+ uint32_t search_pcr_mask,
+ int start_token,
+ uint32_t *ret_hash_pcr_mask,
+ uint16_t *ret_pcr_bank,
+ struct iovec *ret_pubkey,
+ uint32_t *ret_pubkey_pcr_mask,
+ uint16_t *ret_primary_alg,
+ struct iovec *ret_blob,
+ struct iovec *ret_policy_hash,
+ struct iovec *ret_salt,
+ struct iovec *ret_srk,
+ struct iovec *ret_pcrlock_nv,
+ TPM2Flags *ret_flags,
+ int *ret_keyslot,
+ int *ret_token) {
+
+ return log_error_errno(SYNTHETIC_ERRNO(EOPNOTSUPP),
+ "TPM2 support not available.");
+}
+
+#endif
shared_sources += files('cryptsetup-fido2.c')
endif
+if conf.get('HAVE_TPM2') == 1 and conf.get('HAVE_LIBCRYPTSETUP') == 1
+ shared_sources += files('cryptsetup-tpm2.c')
+endif
+
generate_ip_protocol_list = find_program('generate-ip-protocol-list.sh')
ip_protocol_list_txt = custom_target(
'ip-protocol-list.txt',
projects / systemd / .git / commitdiff