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1.1 root 1: /*
1.1.1.5 root 2: Copyright (c) 2008-2009 TrueCrypt Developers Association. All rights reserved.
1.1 root 3:
1.1.1.6 ! root 4: Governed by the TrueCrypt License 3.0 the full text of which is contained in
1.1.1.5 root 5: the file License.txt included in TrueCrypt binary and source code distribution
6: packages.
1.1 root 7: */
8:
9: #ifndef TC_HEADER_Common_SecurityToken
10: #define TC_HEADER_Common_SecurityToken
11:
12: #include "Platform/PlatformBase.h"
13: #if defined (TC_WINDOWS) && !defined (TC_PROTOTYPE)
14: # include "Exception.h"
15: #else
16: # include "Platform/Exception.h"
17: #endif
18:
19: #ifndef NULL_PTR
20: # define NULL_PTR 0
21: #endif
22: #define CK_PTR *
23: #define CK_CALLBACK_FUNCTION(RET_TYPE, NAME) RET_TYPE (* NAME)
24:
25: #ifdef TC_WINDOWS
26:
27: # include <windows.h>
28:
29: # define CK_DEFINE_FUNCTION(RET_TYPE, NAME) RET_TYPE __declspec(dllexport) NAME
30: # define CK_DECLARE_FUNCTION(RET_TYPE, NAME) RET_TYPE __declspec(dllimport) NAME
31: # define CK_DECLARE_FUNCTION_POINTER(RET_TYPE, NAME) RET_TYPE __declspec(dllimport) (* NAME)
32:
33: # pragma pack(push, cryptoki, 1)
34: # include <pkcs11.h>
35: # pragma pack(pop, cryptoki)
36:
37: #else // !TC_WINDOWS
38:
39: # define CK_DEFINE_FUNCTION(RET_TYPE, NAME) RET_TYPE NAME
40: # define CK_DECLARE_FUNCTION(RET_TYPE, NAME) RET_TYPE NAME
41: # define CK_DECLARE_FUNCTION_POINTER(RET_TYPE, NAME) RET_TYPE (* NAME)
42:
43: # include <pkcs11.h>
44:
45: #endif // !TC_WINDOWS
46:
47:
48: #define TC_SECURITY_TOKEN_KEYFILE_URL_PREFIX L"token://"
49: #define TC_SECURITY_TOKEN_KEYFILE_URL_SLOT L"slot"
50: #define TC_SECURITY_TOKEN_KEYFILE_URL_FILE L"file"
51:
52: namespace TrueCrypt
53: {
54: struct SecurityTokenInfo
55: {
56: CK_SLOT_ID SlotId;
57: CK_FLAGS Flags;
58: wstring Label;
59: string LabelUtf8;
60: };
61:
62: struct SecurityTokenKeyfilePath
63: {
64: SecurityTokenKeyfilePath () { }
65: SecurityTokenKeyfilePath (const wstring &path) : Path (path) { }
66: operator wstring () const { return Path; }
67: wstring Path;
68: };
69:
70: struct SecurityTokenKeyfile
71: {
72: SecurityTokenKeyfile () { }
73: SecurityTokenKeyfile (const SecurityTokenKeyfilePath &path);
74:
75: operator SecurityTokenKeyfilePath () const;
76:
77: CK_OBJECT_HANDLE Handle;
78: wstring Id;
79: string IdUtf8;
80: CK_SLOT_ID SlotId;
81: SecurityTokenInfo Token;
82: };
83:
84: struct Pkcs11Exception : public Exception
85: {
1.1.1.2 root 86: Pkcs11Exception (CK_RV errorCode = (CK_RV) -1)
1.1 root 87: : ErrorCode (errorCode),
88: SubjectErrorCodeValid (false)
89: {
90: }
91:
92: Pkcs11Exception (CK_RV errorCode, uint64 subjectErrorCode)
93: : ErrorCode (errorCode),
94: SubjectErrorCodeValid (true),
95: SubjectErrorCode (subjectErrorCode)
96: {
97: }
98:
99: #ifdef TC_HEADER_Platform_Exception
100: virtual ~Pkcs11Exception () throw () { }
101: TC_SERIALIZABLE_EXCEPTION (Pkcs11Exception);
102: #else
103: void Show (HWND parent) const;
104: #endif
105: operator string () const;
106: CK_RV GetErrorCode () const { return ErrorCode; }
107:
108: protected:
109: CK_RV ErrorCode;
110: bool SubjectErrorCodeValid;
111: uint64 SubjectErrorCode;
112: };
113:
114:
115: #ifdef TC_HEADER_Platform_Exception
116:
117: #define TC_EXCEPTION(NAME) TC_EXCEPTION_DECL(NAME,Exception)
118:
119: #undef TC_EXCEPTION_SET
120: #define TC_EXCEPTION_SET \
121: TC_EXCEPTION_NODECL (Pkcs11Exception); \
122: TC_EXCEPTION (InvalidSecurityTokenKeyfilePath); \
123: TC_EXCEPTION (SecurityTokenLibraryNotInitialized); \
124: TC_EXCEPTION (SecurityTokenKeyfileAlreadyExists); \
125: TC_EXCEPTION (SecurityTokenKeyfileNotFound);
126:
127: TC_EXCEPTION_SET;
128:
129: #undef TC_EXCEPTION
130:
131: #else // !TC_HEADER_Platform_Exception
132:
133: struct SecurityTokenLibraryNotInitialized : public Exception
134: {
135: void Show (HWND parent) const { Error (SecurityTokenLibraryPath[0] == 0 ? "NO_PKCS11_MODULE_SPECIFIED" : "PKCS11_MODULE_INIT_FAILED"); }
136: };
137:
138: struct InvalidSecurityTokenKeyfilePath : public Exception
139: {
140: void Show (HWND parent) const { Error ("INVALID_TOKEN_KEYFILE_PATH"); }
141: };
142:
143: struct SecurityTokenKeyfileAlreadyExists : public Exception
144: {
145: void Show (HWND parent) const { Error ("TOKEN_KEYFILE_ALREADY_EXISTS"); }
146: };
147:
148: struct SecurityTokenKeyfileNotFound : public Exception
149: {
150: void Show (HWND parent) const { Error ("TOKEN_KEYFILE_NOT_FOUND"); }
151: };
152:
153: #endif // !TC_HEADER_Platform_Exception
154:
155:
156: struct Pkcs11Session
157: {
158: Pkcs11Session () : UserLoggedIn (false) { }
159:
160: CK_SESSION_HANDLE Handle;
161: bool UserLoggedIn;
162: };
163:
164: struct GetPinFunctor
165: {
166: virtual ~GetPinFunctor () { }
167: virtual void operator() (string &str) = 0;
168: };
169:
170: struct SendExceptionFunctor
171: {
172: virtual ~SendExceptionFunctor () { }
173: virtual void operator() (const Exception &e) = 0;
174: };
175:
176: class SecurityToken
177: {
178: public:
179: static void CloseAllSessions () throw ();
180: static void CloseLibrary ();
181: static void CreateKeyfile (CK_SLOT_ID slotId, vector <byte> &keyfileData, const string &name);
182: static void DeleteKeyfile (const SecurityTokenKeyfile &keyfile);
183: static vector <SecurityTokenKeyfile> GetAvailableKeyfiles (CK_SLOT_ID *slotIdFilter = nullptr, const wstring keyfileIdFilter = wstring());
184: static void GetKeyfileData (const SecurityTokenKeyfile &keyfile, vector <byte> &keyfileData);
185: static list <SecurityTokenInfo> GetAvailableTokens ();
186: static SecurityTokenInfo GetTokenInfo (CK_SLOT_ID slotId);
187: static void InitLibrary (const string &pkcs11LibraryPath, auto_ptr <GetPinFunctor> pinCallback, auto_ptr <SendExceptionFunctor> warningCallback);
188: static bool IsInitialized () { return Initialized; }
189: static bool IsKeyfilePathValid (const wstring &securityTokenKeyfilePath);
190:
191: static const size_t MaxPasswordLength = 128;
192:
193: protected:
194: static void CloseSession (CK_SLOT_ID slotId);
195: static vector <CK_OBJECT_HANDLE> GetObjects (CK_SLOT_ID slotId, CK_ATTRIBUTE_TYPE objectClass);
196: static void GetObjectAttribute (CK_SLOT_ID slotId, CK_OBJECT_HANDLE tokenObject, CK_ATTRIBUTE_TYPE attributeType, vector <byte> &attributeValue);
197: static list <CK_SLOT_ID> GetTokenSlots ();
198: static void Login (CK_SLOT_ID slotId, const string &pin);
199: static void LoginUserIfRequired (CK_SLOT_ID slotId);
200: static void OpenSession (CK_SLOT_ID slotId);
201: static void CheckLibraryStatus ();
202:
203: static bool Initialized;
204: static auto_ptr <GetPinFunctor> PinCallback;
205: static CK_FUNCTION_LIST_PTR Pkcs11Functions;
206: #ifdef TC_WINDOWS
207: static HMODULE Pkcs11LibraryHandle;
208: #else
209: static void *Pkcs11LibraryHandle;
210: #endif
211: static map <CK_SLOT_ID, Pkcs11Session> Sessions;
212: static auto_ptr <SendExceptionFunctor> WarningCallback;
213: };
214: }
215:
216: #endif // TC_HEADER_Common_SecurityToken
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