refactor: make code more robust and compilable on multiple platforms

CMakeLists.txt

@@ -15,6 +15,10 @@ set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
 
 option(COVERAGE "Build with coverage" ON)
 
+find_package(OpenSSL REQUIRED COMPONENTS Crypto)
+find_package(PkgConfig REQUIRED)
+pkg_check_modules(P11Kit REQUIRED p11-kit-1)
+
 if(COVERAGE)
     message(STATUS "Compiling test targets with coverage enabled")
     set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} --coverage -fprofile-update=atomic")
@@ -25,5 +29,5 @@ file(GLOB_RECURSE SRC_FILES src/*.cpp)
 
 add_library(pkcs11-to-cmd SHARED ${SRC_FILES})
 
-target_link_libraries(pkcs11-to-cmd PRIVATE pthread)
-target_include_directories(pkcs11-to-cmd PRIVATE /usr/include/p11-kit-1/p11-kit)
+target_link_libraries(pkcs11-to-cmd PRIVATE OpenSSL::Crypto pthread)
+target_include_directories(pkcs11-to-cmd PRIVATE ${P11Kit_INCLUDE_DIRS})

src/blind_implementations.hpp

@@ -10,13 +10,14 @@
 
 #include "debug.hpp"
 
-#include <pkcs11.h>
+#define CRYPTOKI_EXPORTS
+#include <p11-kit/pkcs11.h>
 
 extern "C" {
 // LCOV_EXCL_START
 // --- PKCS#11 dummy implementations for all functions ---
 #define BLIND_FUNC_IMPL(name, ...)                                                                                     \
-    CK_RV blind_##name(__VA_ARGS__)                                                                                    \
+    CK_RV CK_SPEC blind_##name(__VA_ARGS__)                                                                            \
     {                                                                                                                  \
         debug("blind_" #name " called");                                                                               \
         return CKR_FUNCTION_NOT_SUPPORTED;                                                                             \

src/consts.hpp

@@ -9,6 +9,8 @@
 #pragma once
 
 constexpr const char* PROVIDER_NAME = "pkcs11-to-cmd";
+constexpr unsigned char PROVIDER_VERSION_MAJOR = 1;
+constexpr unsigned char PROVIDER_VERSION_MINOR = 0;
 constexpr const char* ENV_CMD = "P2C_CMD";
 constexpr const char* ENV_DATA = "P2C_DATA";
 constexpr const char* ENV_SIG = "P2C_SIG";