This library provides a simple and nice C++ wrapper around these libraries, so that programmers can concentrate on functionality. It offers general support for PCSC-lite, OpenSSL, PKCS#11, plus specific functionality for the SuisseID.
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240 lines
9.8 KiB
240 lines
9.8 KiB
/*! @file |
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@id $Id$ |
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*/ |
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// 1 2 3 4 5 6 7 8 |
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// 45678901234567890123456789012345678901234567890123456789012345678901234567890 |
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#include <cryptoki.hxx> |
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#include <sstream> |
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#include <memory> |
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#include <dlfcn.h> |
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#include <iostream> |
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#define CRYPTOKI_LOG(X) std::clog<<"... "<<X<<" in "<<__PRETTY_FUNCTION__<<std::endl; |
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namespace cryptoki { |
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#ifndef CRYPTOKI_FN_LOG |
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#if __GNUC__ >= 2 |
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#define CRYPTOKI_FN_LOG(X) (std::string(X " failed in ") \ |
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+std::string(__PRETTY_FUNCTION__)) |
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#else |
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#define CRYPTOKI_FN_LOG(X) X " failed" |
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#endif |
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#endif |
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bool Init::functionList(const std::string& library) { |
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void* lib(dlopen(library.c_str(), RTLD_NOW)); |
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if (!lib) throw exception("open of library failed: "+library); |
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CK_RV(*fn)(CK_FUNCTION_LIST**) |
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((CK_RV(*)(CK_FUNCTION_LIST**))dlsym(lib, "C_GetFunctionList")); |
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if (!fn) |
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throw exception("required library symbol C_GetFunctionList not found in " |
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+library); |
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//! calls @c C_GetFunctionList |
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return check(fn(&_fn), CRYPTOKI_FN_LOG("C_GetFunctionList")); |
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} |
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bool Init::check(CK_RV result, const std::string& context) { |
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_res = result; |
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if (_exc && !*this) |
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if (context.size()) |
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throw access_error(context+": "+error()); |
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else |
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throw access_error(error()); |
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return _res==CKR_OK; |
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} |
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std::string Init::error(CK_RV res) { |
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switch (res) { |
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case CKR_OK: return "CKR_OK"; |
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case CKR_CANCEL: return "CKR_CANCEL"; |
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case CKR_HOST_MEMORY: return "CKR_HOST_MEMORY"; |
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case CKR_SLOT_ID_INVALID: return "CKR_SLOT_ID_INVALID"; |
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case CKR_GENERAL_ERROR: return "CKR_GENERAL_ERROR"; |
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case CKR_FUNCTION_FAILED: return "CKR_FUNCTION_FAILED"; |
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case CKR_ARGUMENTS_BAD: return "CKR_ARGUMENTS_BAD"; |
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case CKR_NO_EVENT: return "CKR_NO_EVENT"; |
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case CKR_NEED_TO_CREATE_THREADS: return "CKR_NEED_TO_CREATE_THREADS"; |
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case CKR_CANT_LOCK: return "CKR_CANT_LOCK"; |
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case CKR_ATTRIBUTE_READ_ONLY: return "CKR_ATTRIBUTE_READ_ONLY"; |
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case CKR_ATTRIBUTE_SENSITIVE: return "CKR_ATTRIBUTE_SENSITIVE"; |
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case CKR_ATTRIBUTE_TYPE_INVALID: return "CKR_ATTRIBUTE_TYPE_INVALID"; |
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case CKR_ATTRIBUTE_VALUE_INVALID: return "CKR_ATTRIBUTE_VALUE_INVALID"; |
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case CKR_DATA_INVALID: return "CKR_DATA_INVALID"; |
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case CKR_DATA_LEN_RANGE: return "CKR_DATA_LEN_RANGE"; |
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case CKR_DEVICE_ERROR: return "CKR_DEVICE_ERROR"; |
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case CKR_DEVICE_MEMORY: return "CKR_DEVICE_MEMORY"; |
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case CKR_DEVICE_REMOVED: return "CKR_DEVICE_REMOVED"; |
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case CKR_ENCRYPTED_DATA_INVALID: return "CKR_ENCRYPTED_DATA_INVALID"; |
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case CKR_ENCRYPTED_DATA_LEN_RANGE: return "CKR_ENCRYPTED_DATA_LEN_RANGE"; |
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case CKR_FUNCTION_CANCELED: return "CKR_FUNCTION_CANCELED"; |
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case CKR_FUNCTION_NOT_PARALLEL: return "CKR_FUNCTION_NOT_PARALLEL"; |
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case CKR_FUNCTION_NOT_SUPPORTED: return "CKR_FUNCTION_NOT_SUPPORTED"; |
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case CKR_KEY_HANDLE_INVALID: return "CKR_KEY_HANDLE_INVALID"; |
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case CKR_KEY_SIZE_RANGE: return "CKR_KEY_SIZE_RANGE"; |
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case CKR_KEY_TYPE_INCONSISTENT: return "CKR_KEY_TYPE_INCONSISTENT"; |
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case CKR_KEY_NOT_NEEDED: return "CKR_KEY_NOT_NEEDED"; |
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case CKR_KEY_CHANGED: return "CKR_KEY_CHANGED"; |
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case CKR_KEY_NEEDED: return "CKR_KEY_NEEDED"; |
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case CKR_KEY_INDIGESTIBLE: return "CKR_KEY_INDIGESTIBLE"; |
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case CKR_KEY_FUNCTION_NOT_PERMITTED: |
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return "CKR_KEY_FUNCTION_NOT_PERMITTED"; |
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case CKR_KEY_NOT_WRAPPABLE: return "CKR_KEY_NOT_WRAPPABLE"; |
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case CKR_KEY_UNEXTRACTABLE: return "CKR_KEY_UNEXTRACTABLE"; |
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case CKR_MECHANISM_INVALID: return "CKR_MECHANISM_INVALID"; |
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case CKR_MECHANISM_PARAM_INVALID: return "CKR_MECHANISM_PARAM_INVALID"; |
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case CKR_OBJECT_HANDLE_INVALID: return "CKR_OBJECT_HANDLE_INVALID"; |
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case CKR_OPERATION_ACTIVE: return "CKR_OPERATION_ACTIVE"; |
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case CKR_OPERATION_NOT_INITIALIZED: |
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return "CKR_OPERATION_NOT_INITIALIZED"; |
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case CKR_PIN_INCORRECT: return "CKR_PIN_INCORRECT"; |
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case CKR_PIN_INVALID: return "CKR_PIN_INVALID"; |
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case CKR_PIN_LEN_RANGE: return "CKR_PIN_LEN_RANGE"; |
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case CKR_PIN_EXPIRED: return "CKR_PIN_EXPIRED"; |
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case CKR_PIN_LOCKED: return "CKR_PIN_LOCKED"; |
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case CKR_SESSION_CLOSED: return "CKR_SESSION_CLOSED"; |
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case CKR_SESSION_COUNT: return "CKR_SESSION_COUNT"; |
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case CKR_SESSION_HANDLE_INVALID: return "CKR_SESSION_HANDLE_INVALID"; |
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case CKR_SESSION_PARALLEL_NOT_SUPPORTED: |
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return "CKR_SESSION_PARALLEL_NOT_SUPPORTED"; |
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case CKR_SESSION_READ_ONLY: return "CKR_SESSION_READ_ONLY"; |
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case CKR_SESSION_EXISTS: return "CKR_SESSION_EXISTS"; |
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case CKR_SESSION_READ_ONLY_EXISTS: return "CKR_SESSION_READ_ONLY_EXISTS"; |
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case CKR_SESSION_READ_WRITE_SO_EXISTS: |
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return "CKR_SESSION_READ_WRITE_SO_EXISTS"; |
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case CKR_SIGNATURE_INVALID: return "CKR_SIGNATURE_INVALID"; |
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case CKR_SIGNATURE_LEN_RANGE: return "CKR_SIGNATURE_LEN_RANGE"; |
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case CKR_TEMPLATE_INCOMPLETE: return "CKR_TEMPLATE_INCOMPLETE"; |
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case CKR_TEMPLATE_INCONSISTENT: return "CKR_TEMPLATE_INCONSISTENT"; |
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case CKR_TOKEN_NOT_PRESENT: return "CKR_TOKEN_NOT_PRESENT"; |
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case CKR_TOKEN_NOT_RECOGNIZED: return "CKR_TOKEN_NOT_RECOGNIZED"; |
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case CKR_TOKEN_WRITE_PROTECTED: return "CKR_TOKEN_WRITE_PROTECTED"; |
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case CKR_UNWRAPPING_KEY_HANDLE_INVALID: |
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return "CKR_UNWRAPPING_KEY_HANDLE_INVALID"; |
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case CKR_UNWRAPPING_KEY_SIZE_RANGE: |
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return "CKR_UNWRAPPING_KEY_SIZE_RANGE"; |
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case CKR_UNWRAPPING_KEY_TYPE_INCONSISTENT: |
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return "CKR_UNWRAPPING_KEY_TYPE_INCONSISTENT"; |
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case CKR_USER_ALREADY_LOGGED_IN: return "CKR_USER_ALREADY_LOGGED_IN"; |
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case CKR_USER_NOT_LOGGED_IN: return "CKR_USER_NOT_LOGGED_IN"; |
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case CKR_USER_PIN_NOT_INITIALIZED: return "CKR_USER_PIN_NOT_INITIALIZED"; |
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case CKR_USER_TYPE_INVALID: return "CKR_USER_TYPE_INVALID"; |
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case CKR_USER_ANOTHER_ALREADY_LOGGED_IN: |
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return "CKR_USER_ANOTHER_ALREADY_LOGGED_IN"; |
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case CKR_USER_TOO_MANY_TYPES: return "CKR_USER_TOO_MANY_TYPES"; |
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case CKR_WRAPPED_KEY_INVALID: return "CKR_WRAPPED_KEY_INVALID"; |
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case CKR_WRAPPED_KEY_LEN_RANGE: return "CKR_WRAPPED_KEY_LEN_RANGE"; |
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case CKR_WRAPPING_KEY_HANDLE_INVALID: |
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return "CKR_WRAPPING_KEY_HANDLE_INVALID"; |
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case CKR_WRAPPING_KEY_SIZE_RANGE: return "CKR_WRAPPING_KEY_SIZE_RANGE"; |
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case CKR_WRAPPING_KEY_TYPE_INCONSISTENT: |
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return "CKR_WRAPPING_KEY_TYPE_INCONSISTENT"; |
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case CKR_RANDOM_SEED_NOT_SUPPORTED: |
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return "CKR_RANDOM_SEED_NOT_SUPPORTED"; |
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case CKR_RANDOM_NO_RNG: return "CKR_RANDOM_NO_RNG"; |
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case CKR_DOMAIN_PARAMS_INVALID: return "CKR_DOMAIN_PARAMS_INVALID"; |
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case CKR_BUFFER_TOO_SMALL: return "CKR_BUFFER_TOO_SMALL"; |
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case CKR_SAVED_STATE_INVALID: return "CKR_SAVED_STATE_INVALID"; |
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case CKR_INFORMATION_SENSITIVE: return "CKR_INFORMATION_SENSITIVE"; |
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case CKR_STATE_UNSAVEABLE: return "CKR_STATE_UNSAVEABLE"; |
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case CKR_CRYPTOKI_NOT_INITIALIZED: return "CKR_CRYPTOKI_NOT_INITIALIZED"; |
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case CKR_CRYPTOKI_ALREADY_INITIALIZED: |
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return "CKR_CRYPTOKI_ALREADY_INITIALIZED"; |
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case CKR_MUTEX_BAD: return "CKR_MUTEX_BAD"; |
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case CKR_MUTEX_NOT_LOCKED: return "CKR_MUTEX_NOT_LOCKED"; |
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case CKR_VENDOR_DEFINED: return "CKR_VENDOR_DEFINED"; |
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default: { |
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std::stringstream ss; |
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ss<<"unknown error code ("<<res<<')'; |
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return ss.str(); |
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} |
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} |
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} |
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Init::Init(const std::string& library, bool exc): |
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_exc(exc), _res(CKR_OK), _fn(0) { |
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//! calls @c functionList |
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if (!functionList(library)) return; |
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//! calls @c C_Initialize |
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check(_fn->C_Initialize(0), //! @todo add optional argument |
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CRYPTOKI_FN_LOG("C_Initialize")); |
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} |
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Init::operator bool() { |
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return _res==CKR_OK; |
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} |
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std::string Init::error() { |
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return error(_res); |
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} |
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/*! @todo Not implemented: |
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@code |
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bool Init::getinfo() { |
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//! calls @c C_GetInfo |
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return check(_init._fn->C_GetInfo(CK_INFO_PTR), |
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CRYPTOKI_FN_LOG("C_GetInfo")); |
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} |
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@endcode */ |
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SlotList Init::slotList(bool tokenPresent) { |
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SlotList res; |
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CK_ULONG count(0); |
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//! calls @c C_GetSlotList |
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check(_fn->C_GetSlotList(tokenPresent?TRUE:FALSE, 0, &count), |
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CRYPTOKI_FN_LOG("C_GetSlotList")); |
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if (!count || !*this) return res; |
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CK_SLOT_ID* slots = 0; |
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try { |
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do { |
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delete[] slots; |
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slots = new CK_SLOT_ID[count]; |
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_res = _fn->C_GetSlotList(tokenPresent?TRUE:FALSE, slots, &count); |
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} while (_res==CKR_BUFFER_TOO_SMALL); |
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check(_res, CRYPTOKI_FN_LOG("C_GetSlotList")); |
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if (!*this) return res; |
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for (CK_ULONG i(0); i<count; ++i) res.push_back(Slot(*this, slots[i])); |
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} catch (...) { |
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delete[] slots; |
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throw; |
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} |
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delete[] slots; |
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return res; |
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} |
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//============================================================================ |
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ObjectList Session::find(const AttributeList& attrs) { |
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ObjectList res; |
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CK_ATTRIBUTE* a(0); |
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try { |
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if (attrs.size()) { |
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//! @todo imlement attribute filtering |
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} |
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//! calls @c C_FindObjectsInit |
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if (check(_slot._init->_fn->C_FindObjectsInit |
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(_session, a, attrs.size()), |
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CRYPTOKI_FN_LOG("C_FindObjectsInit"))) { |
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CK_OBJECT_HANDLE obj; |
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//! calls @c C_FindObjects |
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for (CK_ULONG objs(0); |
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check(_slot._init->_fn->C_FindObjects |
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(_session, &obj, 1, &objs), |
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CRYPTOKI_FN_LOG("C_FindObjects")) && objs; |
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res.push_back(Object(*this, obj))); |
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} |
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//! calls @c C_FindObjectsFinal |
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check(_slot._init->_fn->C_FindObjectsFinal(_session), |
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CRYPTOKI_FN_LOG("C_FindObjectsFinal")); |
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delete[] a; |
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return res; |
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} catch (...) { |
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delete[] a; |
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throw; |
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} |
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} |
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}
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