1 files changed, 111 insertions, 0 deletions
diff --git a/src/shared/pkcs11-util.h b/src/shared/pkcs11-util.h
new file mode 100644
index 0000000..5bc23c1
--- /dev/null
+++ b/src/shared/pkcs11-util.h
@@ -0,0 +1,111 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+#pragma once
+
+#include <stdbool.h>
+
+#if HAVE_P11KIT
+#  include <p11-kit/p11-kit.h>
+#  include <p11-kit/uri.h>
+#endif
+
+#include "ask-password-api.h"
+#include "macro.h"
+#include "openssl-util.h"
+#include "time-util.h"
+
+bool pkcs11_uri_valid(const char *uri);
+
+#if HAVE_P11KIT
+
+extern char *(*sym_p11_kit_module_get_name)(CK_FUNCTION_LIST *module);
+extern void (*sym_p11_kit_modules_finalize_and_release)(CK_FUNCTION_LIST **modules);
+extern CK_FUNCTION_LIST **(*sym_p11_kit_modules_load_and_initialize)(int flags);
+extern const char *(*sym_p11_kit_strerror)(CK_RV rv);
+extern int (*sym_p11_kit_uri_format)(P11KitUri *uri, P11KitUriType uri_type, char **string);
+extern void (*sym_p11_kit_uri_free)(P11KitUri *uri);
+extern CK_ATTRIBUTE_PTR (*sym_p11_kit_uri_get_attributes)(P11KitUri *uri, CK_ULONG *n_attrs);
+extern CK_INFO_PTR (*sym_p11_kit_uri_get_module_info)(P11KitUri *uri);
+extern CK_SLOT_INFO_PTR (*sym_p11_kit_uri_get_slot_info)(P11KitUri *uri);
+extern CK_TOKEN_INFO_PTR (*sym_p11_kit_uri_get_token_info)(P11KitUri *uri);
+extern int (*sym_p11_kit_uri_match_token_info)(const P11KitUri *uri, const CK_TOKEN_INFO *token_info);
+extern const char *(*sym_p11_kit_uri_message)(int code);
+extern P11KitUri *(*sym_p11_kit_uri_new)(void);
+extern int (*sym_p11_kit_uri_parse)(const char *string, P11KitUriType uri_type, P11KitUri *uri);
+
+int uri_from_string(const char *p, P11KitUri **ret);
+
+P11KitUri *uri_from_module_info(const CK_INFO *info);
+P11KitUri *uri_from_slot_info(const CK_SLOT_INFO *slot_info);
+P11KitUri *uri_from_token_info(const CK_TOKEN_INFO *token_info);
+
+DEFINE_TRIVIAL_CLEANUP_FUNC_FULL(P11KitUri*, sym_p11_kit_uri_free, NULL);
+DEFINE_TRIVIAL_CLEANUP_FUNC_FULL(CK_FUNCTION_LIST**, sym_p11_kit_modules_finalize_and_release, NULL);
+
+CK_RV pkcs11_get_slot_list_malloc(CK_FUNCTION_LIST *m, CK_SLOT_ID **ret_slotids, CK_ULONG *ret_n_slotids);
+
+char *pkcs11_token_label(const CK_TOKEN_INFO *token_info);
+char *pkcs11_token_manufacturer_id(const CK_TOKEN_INFO *token_info);
+char *pkcs11_token_model(const CK_TOKEN_INFO *token_info);
+
+int pkcs11_token_login_by_pin(CK_FUNCTION_LIST *m, CK_SESSION_HANDLE session, const CK_TOKEN_INFO *token_info, const char *token_label, const void *pin, size_t pin_size);
+int pkcs11_token_login(CK_FUNCTION_LIST *m, CK_SESSION_HANDLE session, CK_SLOT_ID slotid, const CK_TOKEN_INFO *token_info, const char *friendly_name, const char *icon_name, const char *key_name, const char *credential_name, usec_t until, AskPasswordFlags ask_password_flags, bool headless, char **ret_used_pin);
+
+int pkcs11_token_find_x509_certificate(CK_FUNCTION_LIST *m, CK_SESSION_HANDLE session, P11KitUri *search_uri, CK_OBJECT_HANDLE *ret_object);
+#if HAVE_OPENSSL
+int pkcs11_token_read_x509_certificate(CK_FUNCTION_LIST *m, CK_SESSION_HANDLE session, CK_OBJECT_HANDLE object, X509 **ret_cert);
+#endif
+
+int pkcs11_token_find_private_key(CK_FUNCTION_LIST *m, CK_SESSION_HANDLE session, P11KitUri *search_uri, CK_OBJECT_HANDLE *ret_object);
+int pkcs11_token_decrypt_data(CK_FUNCTION_LIST *m, CK_SESSION_HANDLE session, CK_OBJECT_HANDLE object, const void *encrypted_data, size_t encrypted_data_size, void **ret_decrypted_data, size_t *ret_decrypted_data_size);
+
+int pkcs11_token_acquire_rng(CK_FUNCTION_LIST *m, CK_SESSION_HANDLE session);
+
+typedef int (*pkcs11_find_token_callback_t)(CK_FUNCTION_LIST *m, CK_SESSION_HANDLE session, CK_SLOT_ID slotid, const CK_SLOT_INFO *slot_info, const CK_TOKEN_INFO *token_info, P11KitUri *uri, void *userdata);
+int pkcs11_find_token(const char *pkcs11_uri, pkcs11_find_token_callback_t callback, void *userdata);
+
+#if HAVE_OPENSSL
+int pkcs11_acquire_certificate(const char *uri, const char *askpw_friendly_name, const char *askpw_icon_name, X509 **ret_cert, char **ret_pin_used);
+#endif
+
+typedef struct {
+        const char *friendly_name;
+        usec_t until;
+        void *encrypted_key;
+        size_t encrypted_key_size;
+        void *decrypted_key;
+        size_t decrypted_key_size;
+        bool free_encrypted_key;
+        bool headless;
+        AskPasswordFlags askpw_flags;
+} pkcs11_crypt_device_callback_data;
+
+void pkcs11_crypt_device_callback_data_release(pkcs11_crypt_device_callback_data *data);
+
+int pkcs11_crypt_device_callback(
+                CK_FUNCTION_LIST *m,
+                CK_SESSION_HANDLE session,
+                CK_SLOT_ID slot_id,
+                const CK_SLOT_INFO *slot_info,
+                const CK_TOKEN_INFO *token_info,
+                P11KitUri *uri,
+                void *userdata);
+
+int dlopen_p11kit(void);
+
+#else
+
+static inline int dlopen_p11kit(void) {
+        return log_error_errno(SYNTHETIC_ERRNO(EOPNOTSUPP), "p11kit support is not compiled in.");
+}
+
+#endif
+
+typedef struct {
+        const char *friendly_name;
+        usec_t until;
+        bool headless;
+        AskPasswordFlags askpw_flags;
+} systemd_pkcs11_plugin_params;
+
+int pkcs11_list_tokens(void);
+int pkcs11_find_token_auto(char **ret);