//============================================================
// Reads in an OCSP Response file in DER format
// szFileName - OCSP response file name
//============================================================
int ReadOCSPResponse(OCSP_RESPONSE **newOCSP_RESPONSE, const char* szFileName)
{
BIO *bin = NULL;
OCSP_RESPONSE *resp = NULL;
int err = ERR_OK;
ddocDebug(4, "ReadOCSPResponse", "File: %s", szFileName);
RETURN_IF_NULL_PARAM(newOCSP_RESPONSE);
RETURN_IF_NULL_PARAM(szFileName);
if((bin = BIO_new_file(szFileName, "rb")) != NULL) {
ddocDebug(4, "ReadOCSPResponse", "File opened");
resp = d2i_OCSP_RESPONSE_bio(bin, NULL);
BIO_free(bin);
if (resp == NULL) {
err = ERR_OCSP_WRONG_VERSION;
}
} else {
ddocDebug(4, "ReadOCSPResponse", "Cannot read file:%s", szFileName);
err =ERR_FILE_READ;
}
if (err != ERR_OK) SET_LAST_ERROR(err);
*newOCSP_RESPONSE = resp;
return err;
}
STDMETHODIMP CComDigiDocLib::getSupportedFormats(VARIANT *ret)
{
const char** pArr = ::getSupportedFormats();
unsigned int nElems = 0;
SAFEARRAY* pSArr;
BSTR HUGEP* pData;
// detect number of elements
for(; *pArr != NULL; pArr++, nElems++);
// initialize SAFEARRAY
pSArr = SafeArrayCreateVector(VT_BSTR, 0, nElems);
if (pSArr == NULL) {
return E_OUTOFMEMORY;
}
// init variant
V_ARRAY(ret) = pSArr;
V_VT(ret) = (VT_ARRAY | VT_BSTR);
// copy data to variant
pArr = ::getSupportedFormats();
SafeArrayAccessData(pSArr, (void HUGEP**)&pData);
long lArr[1];
USES_CONVERSION;
ddocDebug(1, "getSupportedFormats", "num formats: %d", nElems);
for(lArr[0] = 0; lArr[0] < (long)nElems; lArr[0]++) {
ddocDebug(1, "getSupportedFormats", "format: %d - %s", lArr[0], pArr[lArr[0]]);
pData[lArr[0]] = SysAllocString(A2OLE(pArr[lArr[0]]));
}
SafeArrayUnaccessData(pSArr);
return S_OK;
}
//============================================================
// Locates a private key on the token on basis of its CKA_ID attribute.
// hSession - card session handle
// idData - id value
// idLen - length of id value
// hKey - address of key handle to be returned
// return objects handle or -1 for failure
//============================================================
CK_RV LocatePrivateKeyWithId(CK_SESSION_HANDLE hSession, CK_BYTE_PTR idData, CK_ULONG idLen, CK_OBJECT_HANDLE_PTR hKey)
{
CK_OBJECT_HANDLE Objects[10];
CK_RV rv;
CK_ULONG ulObjectCount = sizeof(Objects)/sizeof(CK_OBJECT_HANDLE), i;
CK_OBJECT_CLASS ObjClass = CKO_PRIVATE_KEY;
CK_ATTRIBUTE Template1[] = {
{ CKA_CLASS, &ObjClass, sizeof(ObjClass) },
{ CKA_ID, (void*)idData, idLen }
};
CK_ULONG ulCount = sizeof(Template1) / sizeof(CK_ATTRIBUTE);
char buf2[40];
int l2;
l2 = sizeof(buf2);
bin2hex((const byte*)idData, idLen, (char*)buf2, &l2);
ddocDebug(3, "LocatePrivateKeyWithId", "LocatePrivateKey with id: %s", buf2);
//Template1[1].pValue = idData;
rv = (*ckFunc->C_FindObjectsInit)(hSession, Template1, ulCount);
if(rv==CKR_OK) {
// Get list of object handles
rv = (*ckFunc->C_FindObjects)(hSession,Objects,ulObjectCount, &ulObjectCount);
ddocDebug(3, "LocatePrivateKeyWithId", "Find: %d count: %ld", rv, ulObjectCount);
if(rv==CKR_OK) {
// get labels of all possible private keys
for(i = 0; i < ulObjectCount; i++) {
ddocDebug(3, "LocatePrivateKeyWithId", "Key handle: %d", Objects[i]);
*hKey = Objects[i];
} // for i < ulObjectsCount
}
}
// Remember to call C_FindObjectsFinal to terminate the search
rv = (*ckFunc->C_FindObjectsFinal)(hSession);
return rv;
}
//============================================================
// Loads the PKCS#11 driver and
// tests if the driver loaded correctly
// Returns 0 for ok otherwise error code
//============================================================
int loadAndTestDriver(const char* driver, LIBHANDLE* pLibrary, CK_SLOT_ID* slotids, int slots, CK_ULONG slot)
{
CK_TOKEN_INFO tokinfo;
CK_SLOT_INFO slotinfo;
CK_ULONG idlen, i, ok;
CK_RV rv;
int err = ERR_OK;
// initialize
*pLibrary = NULL;
memset(slotids, 0, sizeof(CK_SLOT_ID) * slots);
// try to load the driver
*pLibrary = initPKCS11Library(driver);
if(!(*pLibrary))
SET_LAST_ERROR_RETURN_CODE(ERR_PKCS_LIB_LOAD);
idlen = slots;
rv = GetSlotIds(slotids, &idlen);
ddocDebug(3, "loadAndTestDriver", "RV: %d slots: %ld", (int)rv, (long)idlen);
if (rv != CKR_OK) {
err = ERR_PKCS_SLOT_LIST;
SET_LAST_ERROR(err);
}
if ((slot < 0) || (slot >= idlen)) {
err = ERR_PKCS_WRONG_SLOT;
SET_LAST_ERROR(err);
}
// it's useful to test DLL load status this way:
ok = 0;
for(i = 0; i < idlen; i++) {
rv = GetSlotInfo(&slotinfo, slotids[i]);
if(slotinfo.flags & CKF_TOKEN_PRESENT) {
ddocDebug(3, "loadAndTestDriver", "Read Token: %ld", (long)i);
rv = GetTokenInfo(&tokinfo, slotids[i]); // if !CKR_OK test
tokinfo.label[31] = 0;
ddocDebug(3, "loadAndTestDriver", "RV: %d Token: %s", (int)rv, tokinfo.label);
if(rv != CKR_OK)
slotids[i] = INVALID_SLOTIID; // set bad slotids to 0
else
ok++; // count the good slots
} else {
slotids[i] = INVALID_SLOTIID; // no tokne in this slot
}
}
// fill other slotid's with invalid slotid
for(i = idlen; i < (CK_ULONG)slots; i++)
slotids[i] = INVALID_SLOTIID;
if(ok < slot) {
err = ERR_PKCS_CARD_READ; // if not enough good slots
SET_LAST_ERROR(err);
}
// in case of error try to unload the module and notify caller
if (err) {
if (*pLibrary)
closePKCS11Library(*pLibrary, 0);
*pLibrary = NULL;
}
return err;
}
//--------------------------------------------------
// Prepares a new signature for signing and calculates
// the final hash value to sign.
// pSigDoc - signed document object
// ppSigInfo - pointer for address of newly allocated signature
// manifest - manifest or role
// city - signers address , city
// state - signers address , state or province
// zip - signers address , postal code
// country - signers address , country name
// id - id for new signature. Optional, use NULL for default
// return returns error code or ERR_OK
//--------------------------------------------------
EXP_OPTION int ddocPrepareSignature(SignedDoc* pSigDoc, SignatureInfo** ppSigInfo,
const char* manifest, const char* city,
const char* state, const char* zip,
const char* country, X509* pCert, const char* id)
{
int err = ERR_OK, l1;
DigiDocMemBuf mbuf1, *pMBuf1;
char buf1[50];
mbuf1.pMem = 0;
mbuf1.nLen = 0;
ddocDebug(3, "ddocPrepareSignature", "Preparing signature manifest: %s country: %s, state: %s, city: %s, zip: %s, cert: %s, id: %s",
(manifest ? manifest : "NULL"), (country ? country : "NULL"),
(state ? state : "NULL"), (city ? city : "NULL"), (zip ? zip : "NULL"),
(pCert ? "OK" : "ERROR"), (id ? id : "NULL"));
// check mandator fields
RETURN_IF_NULL_PARAM(pSigDoc);
RETURN_IF_NULL_PARAM(ppSigInfo);
RETURN_IF_NULL_PARAM(pCert);
clearErrors();
// add new signature
err = SignatureInfo_new(ppSigInfo, pSigDoc, id);
RETURN_IF_NOT(err == ERR_OK, err);
// automatically calculate doc-info elements for this signature
addAllDocInfos(pSigDoc, *ppSigInfo);
// add signature production place
if (city || state || zip || country)
err = setSignatureProductionPlace(*ppSigInfo, city, state, zip, country);
// add user roles/manifests
if (manifest)
err = addSignerRole(*ppSigInfo, 0, manifest, -1, 0);
RETURN_IF_NOT(err == ERR_OK, err);
// add signers certificate
err = setSignatureCert(*ppSigInfo, pCert);
RETURN_IF_NOT(err == ERR_OK, err);
// timestamp
createTimestamp(pSigDoc, (char*)buf1, sizeof(buf1));
setString((char**)&((*ppSigInfo)->szTimeStamp), (const char*)buf1, -1);
// now calculate signed properties digest
err = calculateSignedPropertiesDigest(pSigDoc, *ppSigInfo);
// TODO: replace later
pMBuf1 = ddocDigestValue_GetDigestValue((*ppSigInfo)->pSigPropDigest);
ddocSigInfo_SetSigPropRealDigest(*ppSigInfo,
(const char*)pMBuf1->pMem, pMBuf1->nLen);
// signature type & val
ddocSignatureValue_new(&((*ppSigInfo)->pSigValue), 0, SIGN_RSA_NAME, 0, 0);
// calc signed-info digest
l1 = sizeof(buf1);
err = calculateSignedInfoDigest(pSigDoc, *ppSigInfo, (byte*)buf1, &l1);
err = ddocSigInfo_SetSigInfoRealDigest(*ppSigInfo, buf1, l1);
// debug output - final hash to sign
pMBuf1 = ddocDigestValue_GetDigestValue((*ppSigInfo)->pSigInfoRealDigest);
ddocEncodeBase64(pMBuf1, &mbuf1);
ddocDebug(3, "ddocPrepareSignature", "signing hash %s len: %d b64len: %d",
(char*)mbuf1.pMem, mbuf1.nLen, l1);
ddocMemBuf_free(&mbuf1);
return err;
}
//============================================================
// Locates a private key on the token on basis of its CKA_LABEL attribute.
// hSession - card session handle
// idData - address of an array of label buffers
// idlen - array of label lengths
// return objects handle or -1 for failure
//============================================================
CK_RV LocatePrivateKey(CK_SESSION_HANDLE hSession, char idData[20][20], CK_ULONG idLen[20], CK_OBJECT_HANDLE_PTR hKeys)
{
CK_OBJECT_HANDLE Objects[10];
CK_RV rv;
CK_ULONG ulObjectCount = sizeof(Objects)/sizeof(CK_OBJECT_HANDLE), i;
// CK_BBOOL IsTrue = TRUE;
CK_OBJECT_HANDLE hPrivateKey = CK_INVALID_HANDLE;
// Set up a template to search for all Private Key tokens
// Given the session context, that is associated with
// one slot we will find only one object
CK_OBJECT_CLASS ObjClass = CKO_PRIVATE_KEY;
char buf1[20];
CK_ATTRIBUTE Template1[] = {
{ CKA_CLASS, &ObjClass, sizeof(ObjClass) }
};
CK_ATTRIBUTE Template2[] = {
{ CKA_ID, (void*)0, idLen[0] }
};
CK_ULONG ulCount = sizeof(Template1) / sizeof(CK_ATTRIBUTE);
/*
** Initiate the object search
C_FindObjectsInit initializes a search for token and session objects that match a template.
hSession is the sessions handle; pTemplate points to a search template that specifies the
attribute values to match; ulCount is the number of attributes in the search template. The
matching criterion is an exact byte-for-byte match with all attributes in the template.
To find all objects, set ulCount to 0.
*/
ddocDebug(3, "LocatePrivateKey", "LocatePrivateKey");
rv = (*ckFunc->C_FindObjectsInit)(hSession,Template1,ulCount);
if(rv==CKR_OK) {
// Get list of object handles
rv = (*ckFunc->C_FindObjects)(hSession,Objects,ulObjectCount, &ulObjectCount);
ddocDebug(3, "LocatePrivateKey", "Find: %d count: %ld", rv, ulObjectCount);
if(rv==CKR_OK) {
// get labels of all possible private keys
for(i = 0; i < ulObjectCount; i++) {
hKeys[i] = Objects[i];
ulCount = sizeof(Template2) / sizeof(CK_ATTRIBUTE);
// get key id length
rv = (*ckFunc->C_GetAttributeValue)(hSession, hKeys[i], Template2, ulCount);
if(rv == CKR_OK) {
idLen[i] = Template2[0].ulValueLen;
// now get key id data
Template2[0].pValue = buf1;
memset(buf1, 0, sizeof(buf1));
rv = (*ckFunc->C_GetAttributeValue)(hSession, hKeys[i], Template2, ulCount);
ddocDebug(3, "LocatePrivateKey", "key: %d id %s len: %ld", i, buf1, idLen[i]);
memcpy(idData[i], buf1, idLen[i]);
}
} // for i < ulObjectsCount
}
}
// Remember to call C_FindObjectsFinal to terminate the search
rv = (*ckFunc->C_FindObjectsFinal)(hSession);
return rv;
}
//============================================================
// Locates and reads users certificate from smartcard
// slot - number of the slot for decryption key. On ID card allways 0
// ppCert - address for newly allocated certificate pointer
// return error code or ERR_OK
//============================================================
EXP_OPTION int findUsersCertificate(int slot, X509** ppCert)
{
int err = ERR_OK, l1, l2;
LIBHANDLE pLibrary = 0;
CK_RV rv = 0;
CK_SLOT_ID slotids[20], slId;
CK_OBJECT_HANDLE hCert;
CK_SESSION_HANDLE hSession = 0;
CK_ULONG certLen;
CK_BYTE certData[2048];
char driver[100];
*ppCert = 0;
snprintf(driver, sizeof(driver), "DIGIDOC_DRIVER_%d_FILE", ConfigItem_lookup_int("DIGIDOC_DEFAULT_DRIVER", 1));
ddocDebug(3, "findUsersCertificate", "Slot: %d Driver nr: %d - %s", slot,
ConfigItem_lookup_int("DIGIDOC_DEFAULT_DRIVER", 1),
ConfigItem_lookup(driver));
err = loadAndTestDriver(ConfigItem_lookup(driver),
&pLibrary, (CK_SLOT_ID*)slotids, 20, (CK_ULONG)slot);
if(err) return err;
// find the right slotid
for(l1 = l2 = 0; l1 < 20; l1++) {
if(slotids[l1] != INVALID_SLOTIID) {
if(l2 == slot)
slId = slotids[l1];
l2++;
}
}
// open session
hSession = OpenSession(slId, NULL);
if (hSession == CK_INVALID_HANDLE) { SET_LAST_ERROR(ERR_PKCS_LOGIN); return ERR_PKCS_LOGIN; }
ddocDebug(3, "findUsersCertificate", "OpenSession ok, hSession = %d", (int)hSession);
// get cert
memset(certData, 0, sizeof(certData));
certLen = sizeof(certData);
hCert = LocateCertificate(hSession, certData, &certLen, 0, 0, 0);
ddocDebug(3, "findUsersCertificate", "hCert = %d, len: %d", (int)hCert, certLen);
if (hCert == (CK_OBJECT_HANDLE)-1) { err = ERR_PKCS_CERT_LOC; SET_LAST_ERROR(err); }
// set cert data
if(certLen)
err = ddocDecodeX509Data(ppCert, certData, certLen);
ddocDebug(3, "findUsersCertificate", "RV: %d, cert: %s", (int)rv, (*ppCert ? "OK" : "NULL"));
if(hSession)
closePKCS11Library(pLibrary, hSession);
return err;
}
//--------------------------------------------------
// Helper function to read OCSP_RESPONSE from binary input data
// ppResp - address of newly allocated OCSP_RESPONSE object
// pMBufInData - input data
// returns error code or ERR_OK
//--------------------------------------------------
int ddocOcspReadOcspResp(OCSP_RESPONSE** ppResp, DigiDocMemBuf* pMBufInData)
{
int err = ERR_OK;
unsigned char* p1;
RETURN_IF_NULL_PARAM(ppResp);
RETURN_IF_NULL_PARAM(pMBufInData);
RETURN_IF_NULL_PARAM(pMBufInData->pMem);
ddocDebug(4, "ddocOcspReadOcspResp", "converting: %d bytes to OCSP_RESPONSE", pMBufInData->nLen);
p1 = (unsigned char*)pMBufInData->pMem;
d2i_OCSP_RESPONSE(ppResp, (const unsigned char**)&p1, pMBufInData->nLen);
ddocDebug(4, "ddocOcspReadOcspResp", "OCSP_RESPONSE: %s", (*ppResp ? "OK" : "ERR"));
return err;
}
//============================================================
// Decodes base64 (PEM) OCSP_RESPONSE data and returns a OCSP_RESPONSE object
// ppResp - pointer to a buffer to receive newly allocated OCSP_RESPONSE pointer
// data - (PEM) OCSP_RESPONSE data
// len - length of data in bytes
//============================================================
EXP_OPTION int ddocDecodeOCSPResponsePEMData(OCSP_RESPONSE **ppResp, const byte* data, int len)
{
byte* p1 = 0;
int l1 = 0, err = ERR_OK;
// check input params
RETURN_IF_NULL_PARAM(data);
RETURN_IF_NULL_PARAM(ppResp);
// mark as not read yet
*ppResp = 0;
// allocate memory for decoding
l1 = len; // should be enough as it shrinks
p1 = (byte*)malloc(l1);
RETURN_IF_BAD_ALLOC(p1);
memset(p1, 0, l1);
// decode base64 data
decode((const byte*)data, len, p1, &l1);
// decode OCSP
err = ddocDecodeOCSPResponseData(ppResp, p1, l1);
// cleanup
if(p1)
free(p1);
ddocDebug(3, "ddocDecodeOCSPResponsePEMData", "Decoding %d bytes PEM data - OSCP_RESPONSE %s", len, (*ppResp ? "OK" : "ERROR"));
return err;
}
//--------------------------------------------------
// Converts xml symbols to corresponding escapes
// src - string with xml special sybols
// returns string with esacpes
//--------------------------------------------------
char* escape2xmlsym(const char* src)
{
char* dest = 0, c;
int i, j, l, k;
l = strlen(src);
dest = (char*)malloc(l+1);
SET_LAST_ERROR_RETURN_IF_NOT(dest, ERR_BAD_ALLOC, NULL);
memset(dest, 0, l+1);
for(i = j = 0; i < l; i++, j++) {
if(src[i] == '&') {
k = findEscape(src + i, &c);
if(k && c) {
dest[j] = c;
i += k - 1;
}
else
dest[j] = src[i];
}
else
dest[j] = src[i];
}
ddocDebug(4, "escape2xmlsym", "%s --> %s", src, dest);
return dest;
}
//============================================================
// Attempts to load and initialize on PKCS#11 driver DLL.
//============================================================
EXP_OPTION LIBHANDLE initPKCS11Library(const char* libName)
{
LIBHANDLE pLibrary = 0;
CK_C_GetFunctionList pC_GetFunctionList;
CK_RV rv;
// load PKCS#11 driver
ddocDebug(3, "initPKCS11Library", "Loading driver: %s\n", libName);
#ifdef WIN32
pLibrary = LoadLibrary((LPCSTR)libName);
#else
pLibrary = dlopen(libName, RTLD_NOW);
#endif
if(pLibrary != NULL) {
// printf("Resolve PKCS#11 function index!\n");
// Get function pointer to C_GetFunctionList
#ifdef WIN32
pC_GetFunctionList = (CK_C_GetFunctionList)GetProcAddress(/*(HINSTANCE__*)*/pLibrary, "C_GetFunctionList");
#else
pC_GetFunctionList = (CK_C_GetFunctionList)dlsym(pLibrary, "C_GetFunctionList");
#endif
if(pC_GetFunctionList != NULL) {
ddocDebug(3, "initPKCS11Library", "Getting PKCS#11 func!\n");
// Get function pointers to all PKCS #11 functions
rv = (*pC_GetFunctionList)(&ckFunc);
if(rv == CKR_OK) {
ddocDebug(3, "initPKCS11Library", "Initializing PKCS#11 library:");
// Initalize Cryptoki
rv = (*ckFunc->C_Initialize)(0);
ddocDebug(3, "initPKCS11Library", "Initlialized: %d", (int)rv);
if(rv != CKR_OK) {
ddocDebug(2, "initPKCS11Library", "Error initializing library!\n");
pLibrary = NULL; // error initializing the library
}
} else {
ddocDebug(2, "initPKCS11Library", "Error getting PKCS#11 func!");
pLibrary = NULL; // error getting function pointers
}
} else {
ddocDebug(2, "initPKCS11Library", "Error resolving PKCS#11 function index!");
pLibrary = NULL; // error getting function list function
}
} else {
#ifdef WIN32
ddocDebug(2, "initPKCS11Library", "Error loading driver : %s", libName);
#else
ddocDebug(2, "initPKCS11Library", "Error loading driver : %s", dlerror());
#endif
}
return pLibrary;
}
//============================================================
// Cleanup PKCS#11 library session
//============================================================
EXP_OPTION void closePKCS11Library(LIBHANDLE pLibrary, CK_SESSION_HANDLE hSession)
{
CK_RV rv;
// close session
if(hSession > 0) {
ddocDebug(3, "closePKCS11Library", "Closing PKCS#11 session!");
rv = (*ckFunc->C_CloseSession)(hSession);
}
// finalize library
rv = (*ckFunc->C_Finalize)(0);
// remove .so from memory
ddocDebug(3, "closePKCS11Library", "Closing PKCS#11 library!\n");
if(pLibrary)
#ifdef WIN32
FreeLibrary(/*(HINSTANCE__*)*/pLibrary);
#else
dlclose(pLibrary);
#endif
}
//--------------------------------------------------
// Helper function to write OCSP_RESPONSE to binary output data
// pResp - address of OCSP_RESPONSE object
// pMBufOutData - output data
// returns error code or ERR_OK
//--------------------------------------------------
int ddocOcspWriteOcspResp(OCSP_RESPONSE* pResp, DigiDocMemBuf* pMBufOutData)
{
int err = ERR_OK, l1;
unsigned char* p1;
RETURN_IF_NULL_PARAM(pResp);
RETURN_IF_NULL_PARAM(pMBufOutData);
pMBufOutData->pMem = NULL;
pMBufOutData->nLen = 0;
// find out how big a buffer we need
l1 = i2d_OCSP_RESPONSE(pResp, NULL);
ddocDebug(4, "ddocOcspReadOcspResp", "converting: %d bytes from OCSP_RESPONSE", l1);
// alloc mem
err = ddocMemSetLength(pMBufOutData, l1 + 50);
p1 = (unsigned char*)pMBufOutData->pMem;
l1 = i2d_OCSP_RESPONSE(pResp, &p1);
pMBufOutData->nLen = l1;
ddocDebug(4, "ddocOcspReadOcspResp", "Converted data: %d", l1);
return err;
}
//============================================================
// Sign a string using a private key referred by the supplied handle.
// hSession - card session handle
// hPrivateKey - private key handle
// Signature - buffer for signature
// ulSignatureLen - signature buffer length
// sigData - data to be signed
//============================================================
CK_RV SignData(CK_SESSION_HANDLE hSession, CK_OBJECT_HANDLE hPrivateKey,
CK_BYTE* Signature, CK_ULONG* ulSignatureLen,
CK_BYTE* sigData, CK_ULONG dataLen)
{
// Set up mechanism for PKCS #1 signing
CK_MECHANISM Mechanism = { CKM_RSA_PKCS, 0, 0 };
// Initiate the signature operation
CK_RV rv = (*ckFunc->C_SignInit)(hSession,&Mechanism,hPrivateKey);
if(rv == CKR_OK) {
// Kommentaar: Realiseeritud meetodi CKM_RSA_PKCS jaoks.
rv = (*ckFunc->C_Sign)(hSession, sigData, dataLen,
Signature, ulSignatureLen);
if(rv != CKR_OK)
ddocDebug(1, "SignData", "Error signing - sess: %uld pkey: %uld slen: %uld dlen: %uld. RV = %uld\n",
hSession, hPrivateKey, ulSignatureLen, dataLen, rv);
} // if C_SignInit
else
ddocDebug(1, "SignData", "Error initing sign session. RV = %ld", rv);
ddocDebug(3, "SignData", "RV = %ld", rv);
return rv;
}
//--------------------------------------------------
// Decodes a single hex digit
// h - hex digit
// return binary value
//--------------------------------------------------
byte h2b(char h)
{
int i;
for(i = 0; i < 16; i++) {
if(g_hexChars[i] == h || g_hexChars[i] == toupper(h))
return (byte)i;
}
// if not found then return an error
ddocDebug(1, "h2b", "Invalid hex byte: %c", h);
SET_LAST_ERROR(ERR_BAD_PARAM);
return 0; // MSTERN: incorrect, VS - yes return -1 if not found. This is an error code
}
//============================================================
// Opens smart card session.
// slotId - id of the sert slot
// pin - card pin
// return session id or -1 for failure
//============================================================
CK_SESSION_HANDLE OpenSession(CK_SLOT_ID slotId, const char *pin)
{
CK_SESSION_HANDLE hSession = 0;
/*
Ainult SERIAL_SESSION toetatud, Digiallkirja andvat privaatvo~tit kasutav sessioon
on initsialiseeritud CKS_RO_USER_FUNCTIONS staatusesse, seda on tehtud Netscape lolli-
tamiseks, et see igal vo~imalikul ja vo~imatul juhul ei ku"siks pin'i vo~tme jaoks
mida ta niiehknii kasutada ei oska. Selle jaoks tuleb vajaduse korral ikka C_Login
va"lja kutsuda.
*/
CK_RV rv = (*ckFunc->C_OpenSession)(slotId, CKF_SERIAL_SESSION,0,0,&hSession);
ddocDebug(3, "OpenSession", "Open sess for slot id: %u - sess: %uld RV = %u", slotId, hSession, rv);
if(rv == CKR_OK && pin) { // don't login if pin is null. Session can be used also to read certs.
/* Kommentaar: Ainult CKU_USER toetatud. */
rv = (*ckFunc->C_Login)(hSession, CKU_USER, (unsigned char*)pin, strlen(pin));
ddocDebug(3, "OpenSession", "Login for slot id: %u - sess: %uld RV = %u", slotId, hSession, rv);
if(rv != CKR_OK)
hSession = CK_INVALID_HANDLE; // mark session bad!
}
// Return the session handle and exit
return hSession;
}
//////////////////////////////////////////////////////////
// DigiDoc file handling methods
//AA 2004/05/20 - ei saanud salvestada faili, kui kataloogis olid täppidega tähed
STDMETHODIMP CComSignedDoc::createSignedDoc(BSTR szOutputFile, BSTR szOldFileName, long *pRetError)
{
USES_CONVERSION;
char *p1 = 0;
if(m_pSignedDoc) {
p1 = GetBSTR(szOutputFile);
ddocDebug(3, "CComSignedDoc::createSignedDoc", "Writing to: %s", p1);
*pRetError = ::createSignedDoc(m_pSignedDoc,
(::SysStringLen(szOldFileName) > 0) ? GetBSTR(szOldFileName) : NULL, p1);
ddocDebug(3, "CComSignedDoc::createSignedDoc", "Wrote");
if(m_szDigiDocFile) {
ddocDebug(3, "CComSignedDoc::createSignedDoc", "Free: %s", m_szDigiDocFile);
free(m_szDigiDocFile);
m_szDigiDocFile = 0;
}
ddocDebug(3, "CComSignedDoc::createSignedDoc", "Assign: %s", p1);
m_szDigiDocFile = strdup(p1);
}
return S_OK;
}
//============================================================
// Decodes binary (DER) OCSP_RESPONSE data and returns a OCSP_RESPONSE object
// ppResp - pointer to a buffer to receive newly allocated OCSP_RESPONSE pointer
// data - (DER) OCSP_RESPONSE data
// len - length of data in bytes
//============================================================
EXP_OPTION int ddocDecodeOCSPResponseData(OCSP_RESPONSE **ppResp, const byte* data, int len)
{
BIO* b1 = 0;
// check input params
RETURN_IF_NULL_PARAM(data);
RETURN_IF_NULL_PARAM(ppResp);
// mark as not read yet
*ppResp = 0;
// create BIO
b1 = BIO_new_mem_buf((void*)data, len);
RETURN_IF_NOT(b1, ERR_NULL_POINTER);
// decode OCSP
*ppResp = d2i_OCSP_RESPONSE_bio(b1, NULL);
BIO_free(b1);
ddocDebug(3, "ddocDecodeOCSPResponseData", "Decoding %d bytes DER data - OCSP_RESPONSE %s", len, (*ppResp ? "OK" : "ERROR"));
RETURN_IF_NOT(*ppResp, ERR_OCSP_UNKNOWN_TYPE);
return ERR_OK;
}
EXP_OPTION void addError(int code, char *fileName, int line, char *assertion)
{
//no errors found yet. Set a trace-back mark to the end of array.
//printf("Error : %d at %s line %d, assertion %s\n", code, fileName, line, assertion);
ThreadErrors *threadErrors;
THREAD_ID Tid = getTid(); //Find our identity
threadErrors = findThreadErrorsByTid(Tid);
// printf("addError init: tid=%ld, threadErrors=%p\n", Tid, threadErrors);
if (threadErrors == NULL) { //This Tid has no entry in ThreadErrors table
threadErrors = addThreadErrorsByTid(Tid); // MEMLEAK: ???
if (threadErrors == NULL)
return; // What else can we do?
}
// printf("addError step 1 : tid=%ld, threadErrors=%p\n", Tid, threadErrors);
if(threadErrors->currentErrorIdx < 0)
resetError(&(threadErrors->ddocLastErrors[ERROR_BUF_LENGTH - 1]));
threadErrors->currentErrorIdx++;
//index at the end -> roll it over to the beginning
if(threadErrors->currentErrorIdx == ERROR_BUF_LENGTH)
threadErrors->currentErrorIdx = 0;
//set the information
ddocDebug(4, "addError", "Index: %d Error : %d at %s line %d, assertion %s", threadErrors->currentErrorIdx, code, fileName, line, assertion);
threadErrors->ddocLastErrors[threadErrors->currentErrorIdx].code = code;
threadErrors->ddocLastErrors[threadErrors->currentErrorIdx].fileName = fileName;
threadErrors->ddocLastErrors[threadErrors->currentErrorIdx].line = line;
threadErrors->ddocLastErrors[threadErrors->currentErrorIdx].assertion = assertion;
//index at the end? Set the traceback mark to the beginning
if(threadErrors->currentErrorIdx == ERROR_BUF_LENGTH - 1)
resetError(&(threadErrors->ddocLastErrors[0]));
else //set the traceback mark to the next position
resetError(&(threadErrors->ddocLastErrors[threadErrors->currentErrorIdx + 1]));
threadErrors->readErrorIdx = threadErrors->currentErrorIdx;
}
//--------------------------------------------------
// Reads in signed XML document and extracts the desired data file
// pSigDoc - signed document object if exists. Can be NULL
// szFileName - digidoc filename
// szDataFileName - name of the file where to store embedded data.
// szDocId - DataFile Id atribute value
// szCharset - convert DataFile content to charset
//--------------------------------------------------
EXP_OPTION int ddocExtractDataFile(SignedDoc* pSigDoc, const char* szFileName,
const char* szDataFileName, const char* szDocId,
const char* szCharset)
{
FILE *fIn = 0, *fOut = 0;
int err = ERR_OK, i, nRead, lt, la, lc, j, ld, lb, l, eState = 0, fs = 0;
long len, lExtr = 0, lSize = 0;
char chars[1050], tag[100], attr[100], con[1030], dec[70], b64line[70];
unsigned char b64 = 0, nNc = 0, bFound = 0;
void *pBuf;
EVP_ENCODE_CTX ectx;
#ifdef WIN32
wchar_t *convFileName = 0, *convDataFileName = 0;
i= 0;
err = utf82unicode((const char*)szFileName, (char**)&convFileName, &i);
ddocDebug(3, "ddocExtractDataFile", "file: %s, conv-file: %s len: %d", szFileName, convFileName, i);
i= 0;
err = utf82unicode((const char*)szDataFileName, (char**)&convDataFileName, &i);
ddocDebug(3, "ddocExtractDataFile", "dfile: %s, conv-dfile: %s len: %d", szDataFileName, convDataFileName, i);
#endif
RETURN_IF_NULL_PARAM(szFileName);
RETURN_IF_NULL_PARAM(szDataFileName);
RETURN_IF_NULL_PARAM(szDocId);
RETURN_IF_NULL_PARAM(szCharset);
clearErrors();
ddocDebug(3, "ddocExtractDataFile", "SigDoc: %s, docid: %s, digidoc: %s, file: %s, charset: %s", (pSigDoc ? "OK" : "NULL"), szDocId, szFileName, szDataFileName, szCharset);
if(szCharset && !strcmp(szCharset, "NO-CHANGE"))
nNc = 1;
// try reading from memory if already cached?
nRead = ddocGetDataFileCachedData(pSigDoc, szDocId, &pBuf, &len);
if(pBuf) { // gotcha
ddocDebug(3, "ddocSaxExtractDataFile", "Using cached data: %d bytes", len);
#ifdef WIN32
if((fOut = _wfopen(convDataFileName, L"wb")) != NULL) {
#else
if((fOut = fopen(szDataFileName, "wb")) != NULL) {
#endif
fwrite(pBuf, 1, len, fOut);
fclose(fOut);
} else {
free(pBuf);
ddocDebug(1, "ddocSaxExtractDataFile", "Error writing file: %s", szDataFileName);
SET_LAST_ERROR_RETURN_CODE(ERR_FILE_WRITE);
}
free(pBuf);
return nRead;
}
// open ddoc file
#ifdef WIN32
if((fIn = _wfopen(convFileName, L"rb")) != NULL) {
#else
if((fIn = fopen(szFileName, "rb")) != NULL) {
#endif
ddocDebug(3, "ddocExtractDataFile", "Opened ddoc-file: %s", szFileName);
do {
nRead = fread(chars, 1, 1024, fIn);
chars[nRead] = 0;
ddocDebug(6, "ddocExtractDataFile", "Parsing %d bytes: \n%s\n", nRead, chars);
// handle read data
for(i = 0; i < nRead; i++) {
switch(eState) {
case ST_START: // search '<?xml'
if(chars[i] == '<' &&
!strncmp(chars+i, "<?xml", 5)) {
eState = ST_XML;
i += 4;
}
break;
case ST_XML: // search '<'
if(chars[i] == '<') {
eState = ST_TAG_NM;
lt = 0;
tag[lt] = 0;
}
break;
case ST_TAG_NM: // read tag name
if(isalnum(chars[i]) || chars[i] == ':' || chars[i] == '/') {
if(lt < sizeof(tag)-1) {
tag[lt] = chars[i];
tag[++lt] = 0;
} else {
ddocDebug(1, "ddocSaxExtractDataFile", "Invalid xml tag-len > %d", sizeof(tag));
SET_LAST_ERROR_RETURN_CODE(ERR_FILE_READ);
}
} else if(chars[i] == '>') { // tag ended - content
eState = ST_CON;
} else { // expecting atributes
eState = ST_TAG_WS;
}
break;
case ST_TAG_WS:
if(chars[i] == '>') {
if(bFound) {
eState = ST_DF_CON;
if(b64)
EVP_DecodeInit(&ectx);
} else
eState = ST_CON; // tag endded - content
lc = 0;
con[lc] = 0;
} else if(isalnum(chars[i])) {
eState = ST_ATTR_NM; // attr name started
la = 0;
attr[la] = chars[i];
attr[++la] = 0;
}
break;
case ST_ATTR_NM:
if(isalnum(chars[i])) {
if(la < (int)sizeof(attr)-1) {
attr[la] = chars[i];
attr[++la] = 0;
}
else
ddocDebug(1, "ddocExtractDataFile", "Truncating attr name: %s", attr);
break;
//19.11.08 added support for '
} else if(chars[i] == '\"'/*|| chars[i] == '\''*/) {
eState = ST_ATTR_CON;
lc = 0;
con[lc] = 0;
fs = 2;
} else if(chars[i] == '\'' && fs==0) {
eState = ST_ATTR_CON;
lc = 0;
con[lc] = 0;
fs = 1;
} else {
eState = ST_ATTR_WS;
}
break;
case ST_ATTR_WS:
//19.11.08 added support for '
if(chars[i] == '\"'/*|| chars[i] == '\''*/) {
eState = ST_ATTR_CON;
lc = 0;
con[lc] = 0;
} else if(chars[i] == '\'' && fs==1) {
eState = ST_ATTR_CON;
lc = 0;
con[lc] = 0;
} else {
eState = ST_TAG_WS;
}
break;
case ST_ATTR_CON:
//19.11.08 added support for '
if(chars[i] != '\"' /*&& chars[i] != '\''*/) {
if(lc < (int)sizeof(con)-1) {
con[lc] = chars[i];
con[++lc] = 0;
} else
ddocDebug(1, "ddocExtractDataFile", "Truncating attr content: %s", attr);
} else if(chars[i] == '\'' && fs==1) {
if(lc < (int)sizeof(con)-1) {
con[lc] = chars[i];
con[++lc] = 0;
} else
ddocDebug(1, "ddocExtractDataFile", "Truncating attr content: %s", attr);
} else {
eState = ST_TAG_WS;
// attribute value complete
if(!strcmp(tag, "DataFile")) {
// ddocDebug(3, "ddocSaxExtractDataFile", "DataFile start, attr: %s", attr);
if(!strcmp(attr, "ContentType")) {
b64 = (!strcmp(con, "EMBEDDED_BASE64")) ? 1 : 0;
lb = 0;
b64line[0] = 0;
}
if(!strcmp(attr, "Size") && bFound) {
lSize = atol(con);
}
if(!strcmp(attr, "Id")) {
ddocDebug(3, "ddocSaxExtractDataFile", "Found Id: %s searching id: %s", con, szDocId);
if(!strcmp(con, szDocId)) {
bFound = 1;
#ifdef WIN32
fOut = _wfopen(convDataFileName, L"wb");
ddocDebug(3, "ddocSaxExtractDataFile", "Opening file: %s handle: %s", convDataFileName, (fOut ? "OK" : "NULL"));
#else
fOut = fopen(szDataFileName, "wb");
ddocDebug(3, "ddocSaxExtractDataFile", "Opening file: %s handle: %s", szDataFileName, (fOut ? "OK" : "NULL"));
#endif
if(!fOut) {
SET_LAST_ERROR(ERR_FILE_WRITE);
err = ERR_FILE_WRITE;
return err;
}
}
}
}
}
break;
case ST_CON:
if(chars[i] == '<') {
eState = ST_TAG_NM;
lt = 0;
tag[lt] = 0;
} else {
//con[lc] = chars[i];
//con[++lc] = 0;
}
break;
case ST_DF_START: // find tag end
if(chars[i] == '>') {
eState = ST_DF_CON;
lc = 0;
con[lc] = 0;
if(b64)
EVP_DecodeInit(&ectx);
}
break;
case ST_DF_CON:
if(chars[i] == '<') {
eState = ST_DF_TAG;
lt = 0;
tag[lt] = 0;
} else {
if(lc < (int)sizeof(con) - 1) {
if(b64 && !nNc) {
for(l = 0; l < lc; ) {
while(lb < 64 && l < lc && l < sizeof(con)) {
if(con[l] != '\n' && con[l] != '\r')
b64line[lb++] = con[l];
l++;
}
if(lb == 64) {
b64line[lb++] = '\n';
b64line[lb] = 0;
ld = sizeof(dec);
dec[0] = 0;
EVP_DecodeUpdate(&ectx, (unsigned char*)dec, &ld, (unsigned char*)b64line, lb);
lExtr += ld;
if(ld > 0)
fwrite(dec, 1, ld, fOut);
lb = 0;
}
}
} else if(nNc || !b64) {
lExtr += lc;
fwrite(con, 1, lc, fOut);
}
lc = 0;
}
if(lc < sizeof(con)-1) {
con[lc] = chars[i];
con[++lc] = 0;
}
}
break;
case ST_DF_TAG:
if(/*isalnum(chars[i]) || chars[i] == ':' || chars[i] == '/' ||*/ chars[i] != '>') {
if(lt < sizeof(tag)-1) {
tag[lt] = chars[i];
tag[++lt] = 0;
} else {
ddocDebug(1, "ddocSaxExtractDataFile", "Invalid xml tag-len > %d", sizeof(tag));
SET_LAST_ERROR_RETURN_CODE(ERR_FILE_READ);
}
} else { // DF intenal tag name ready
if(!strcmp(tag, "/DataFile")) { // end of DF
eState = ST_DF_END;
} else { // wrong tag - this is content
if(lc < sizeof(con)-1) {
con[lc] = '<';
for(j = 0; j < lt; j++)
con[++lc] = tag[j];
con[++lc] = '>';
con[++lc] = 0;
}
eState = ST_DF_CON;
}
}
if(eState != ST_DF_END)
break;
case ST_DF_END:
if(b64 && !nNc) {
if(lc > 0) {
for(l = 0; l < lc; ) {
while(lb < 64 && l < lc) {
if(con[l] != '\n' && con[l] != '\r')
b64line[lb++] = con[l];
l++;
}
b64line[lb++] = '\n';
b64line[lb] = 0;
ld = sizeof(dec);
dec[0] = 0;
EVP_DecodeUpdate(&ectx, (unsigned char*)dec, &ld, (unsigned char*)b64line, lb);
lExtr += ld;
if(ld > 0)
fwrite(dec, 1, ld, fOut);
lb = 0;
}
}
ld = 0;
dec[ld] = 0;
EVP_DecodeFinal(&ectx, (unsigned char*)dec, &ld);
lExtr += ld;
if(ld)
fwrite(dec, 1, ld, fOut);
} else if(nNc || !b64) {
if(lc) {
lExtr += lc;
fwrite(con, 1, lc, fOut);
lc = 0;
}
}
i = sizeof(chars);
//AM 24.09.08 RIK
eState = ST_DF_END_END;
break;
}
}
//AM 24.09.08 RIK ST_DF_END to ST_DF_END_END_END
} while(nRead > 0 && !err && eState < ST_DF_END_END);
} else {
ddocDebug(1, "ddocExtractDataFile", "Error reading file: %s", szFileName);
SET_LAST_ERROR(ERR_FILE_READ);
}
if(fIn)
fclose(fIn);
if(fOut)
fclose(fOut);
if(!nNc && lSize != lExtr) {
ddocDebug(1, "ddocExtractDataFile", "Warning! Extracted: %ld bytes but expected: %ld bytes", lExtr, lSize);
//SET_LAST_ERROR(ERR_FILE_READ);
//err = ERR_FILE_READ;
}
if(!bFound) {
ddocDebug(1, "ddocExtractDataFile", "DF: %s not found", szDocId);
SET_LAST_ERROR(ERR_FILE_WRITE);
err = ERR_FILE_WRITE;
}
ddocDebug(3, "ddocExtractDataFile", "Extracted DF: %s to %s size: %ld expected: %ld", szDocId, szDataFileName, lExtr, lSize);
#ifdef WIN32
free(convFileName);
free(convDataFileName);
#endif
return err;
}
//============================================================
// Decrypts RSA encrypted data with the private key
// slot - number of the slot for decryption key. On ID card allways 0
// pin - corresponding pin for the key. On ID card - PIN1
// encData - encrypted data
// encLen - length of encrypted data
// decData - buffer for decrypted data
// encLen - length of buffer. Will be modified by amount of decrypted data
// return error code or ERR_OK
//============================================================
EXP_OPTION int decryptWithEstID(int slot, const char* pin,
const char* encData, int encLen,
char* decData, int *decLen)
{
int err = ERR_OK, l1, l2;
LIBHANDLE pLibrary = 0;
CK_ULONG keyIdLen[20];
CK_RV rv;
CK_SLOT_ID slotids[20], slId;
CK_SESSION_HANDLE hSession = 0;
CK_OBJECT_HANDLE hPrivateKey, hKeys[20];
char keyId[20][20];
char driver[100];
CK_MECHANISM Mechanism = { CKM_RSA_PKCS, 0, 0 };
CK_ULONG outlen;
ddocDebug(3, "decryptWithEstID", "slot: %d enc-data: %d bytes buffer size: %d", slot, encLen, *decLen);
snprintf(driver, sizeof(driver), "DIGIDOC_DRIVER_%d_FILE", ConfigItem_lookup_int("DIGIDOC_DEFAULT_DRIVER", 1));
ddocDebug(3, "decryptWithEstID", "Driver nr: %d - %s",
ConfigItem_lookup_int("DIGIDOC_DEFAULT_DRIVER", 1),
ConfigItem_lookup(driver));
err = loadAndTestDriver(ConfigItem_lookup(driver),
&pLibrary, (CK_SLOT_ID*)slotids, 20, (CK_ULONG)slot);
if(err) return err;
// find the right slotid
for(l1 = l2 = 0; l1 < 20; l1++) {
if(slotids[l1] != INVALID_SLOTIID) {
if(l2 == slot)
slId = slotids[l1];
l2++;
}
}
// open session
hSession = OpenSession(slId, pin);
if (hSession == CK_INVALID_HANDLE) { SET_LAST_ERROR(ERR_PKCS_LOGIN); return ERR_PKCS_LOGIN; }
ddocDebug(3, "decryptWithEstID", "OpenSession ok, hSession = %d", (int)hSession);
// get private key
for(l1 = 0; l1 < 20; l1++) {
memset(keyId[l1], 0, 20);
keyIdLen[l1] = 0;
}
err = LocatePrivateKey(hSession, keyId, keyIdLen, hKeys);
hPrivateKey = hKeys[0]; //???
//ddocDebug(3, "decryptWithEstID", "Priv key: %s", keyId);
//if (hPrivateKey == CK_INVALID_HANDLE) { SET_LAST_ERROR(ERR_PKCS_PK); return ERR_PKCS_PK; }
// init decrypt
rv = (*ckFunc->C_DecryptInit)(hSession, &Mechanism, hPrivateKey);
ddocDebug(3, "decryptWithEstID", "DecryptInit: %d", (int)rv);
if(rv != CKR_OK) SET_LAST_ERROR_RETURN(ERR_DENC_DECRYPT, ERR_DENC_DECRYPT)
// decrypt data
outlen = *decLen;
rv = (*ckFunc->C_Decrypt)(hSession, (CK_BYTE_PTR)encData, (CK_ULONG)encLen, (CK_BYTE_PTR)decData, (CK_ULONG_PTR)&outlen);
*decLen = outlen;
ddocDebug(3, "decryptWithEstID", "RV: %d, dec-len: %d", (int)rv, *decLen);
if(hSession)
closePKCS11Library(pLibrary, hSession);
if(rv != CKR_OK)
SET_LAST_ERROR_RETURN(ERR_DENC_DECRYPT, ERR_DENC_DECRYPT)
return err;
}
//============================================================
// Calculates and stores a signature for this SignatureInfo object
// Uses EstEID card to sign the info
// pSigInfo - signature info object
// nSigType - signature type code
// keyfile - RSA key file
// passwd - key password
// certfile - certificate file
//============================================================
EXP_OPTION int calculateSignatureWithEstID(SignedDoc* pSigDoc, SignatureInfo* pSigInfo,
int slot, const char* passwd)
{
int err = ERR_OK, nKey;
LIBHANDLE pLibrary = 0;
CK_ULONG certLen, sigLen, padDigLen;
CK_RV rv;
CK_SLOT_ID slotids[20], slId = 0;
CK_SESSION_HANDLE hSession = 0;
CK_OBJECT_HANDLE hPrivateKey, hKeys[20], hCert;
char keyId[20][20];
CK_ULONG keyIdLen[20];
CK_BYTE certData[2048];
CK_BYTE sigDig[100], padDig[130];
CK_BYTE signature[256];
CK_BYTE padding[] = { 48, 33, 48, 9, 6, 5, 43, 14, 3, 2, 26, 5, 0, 4, 20 };
CK_BYTE padding256[] = { 48, 49, 48, 13, 6, 9, 96, 134, 72, 1 ,101, 3, 4, 2, 1, 5, 0, 4, 32};
//CK_BYTE padding256[] = { 48, 33, 48, 13, 6, 9, 96, 134, 72, 1 ,101, 3, 4, 2, 1, 5, 0, 4, 32};
char* buf1;
int l1, l2;
X509* x509;
DigiDocMemBuf mbuf1;
RETURN_IF_NULL_PARAM(pSigInfo);
RETURN_IF_NULL_PARAM(pSigDoc);
// try active driver driver first
snprintf((char*)signature, sizeof(signature), "DIGIDOC_DRIVER_%d_FILE",
ConfigItem_lookup_int("DIGIDOC_DEFAULT_DRIVER", 1));
for(l1 = 0; l1 < 20; l1++)
slotids[l1] = INVALID_SLOTIID; // initialize
err = loadAndTestDriver(ConfigItem_lookup((const char*)signature),
&pLibrary, (CK_SLOT_ID*)slotids, 20, (CK_ULONG)slot);
ddocDebug(3, "calculateSignatureWithEstID", "Driver handle: %d err = %d slot: %d",
pLibrary, err, slot);
RETURN_IF_NOT(err == ERR_OK, err);
// inittialize
slId = INVALID_SLOTIID; // not found yet
//err = ddocLocateSlotWithSignatureCert(pLibrary, slotids,
// &slId, (char*)signature, sizeof(signature));
// find suitable slotid
for(l1 = 0; l1 < 20; l1++) {
if(slotids[l1] != INVALID_SLOTIID)
ddocDebug(3, "calculateSignatureWithEstID",
"Slot idx: %d = %d", l1, slotids[l1]);
if(slotids[l1] != INVALID_SLOTIID && l1 == slot) {
slId = slotids[l1];
ddocDebug(3, "calculateSignatureWithEstID",
"Select idx: %d slot: %d", l1, slId);
}
}
// open session
if(slId != INVALID_SLOTIID) {
hSession = OpenSession(slId, passwd);
ddocDebug(3, "calculateSignatureWithEstID",
"Open sess for slot: %d sess = %uld\n", slId, hSession);
if (hSession == CK_INVALID_HANDLE) { err = ERR_PKCS_LOGIN; SET_LAST_ERROR(err); return err; }
ddocDebug(3, "calculateSignatureWithEstID", "OpenSession ok, hSession = %d\n", (int)hSession);
// get private key
for(l1 = 0; l1 < 20; l1++) {
memset(keyId[l1], 0, 20);
keyIdLen[l1] = 0;
}
err = LocatePrivateKey(hSession, keyId, keyIdLen, hKeys);
//ddocDebug(3, "calculateSignatureWithEstID", "Priv key: %s", keyId);
//if (hPrivateKey == CK_INVALID_HANDLE) { err = ERR_PKCS_PK; SET_LAST_ERROR(err); return err; }
// get cert
memset(certData, 0, sizeof(certData));
certLen = sizeof(certData);
hCert = LocateCertificate(hSession, certData, &certLen, keyId, keyIdLen, &nKey);
hPrivateKey = hKeys[nKey];
ddocDebug(3, "calculateSignatureWithEstID", "selected priv-key: %ld pos %d id: %s", hPrivateKey, nKey, keyId[nKey]);
ddocDebug(3, "calculateSignatureWithEstID", "Cert-len: %ld", certLen);
//printf("Cert: %s", certData);
if (hCert == (CK_OBJECT_HANDLE)-1) { err = ERR_PKCS_CERT_LOC; SET_LAST_ERROR(err); return err; }
// set cert data
err = ddocDecodeX509Data(&x509, certData, certLen);
if (!x509) { err = ERR_PKCS_CERT_DECODE; }
// save cert in file
if(ConfigItem_lookup_int("DEBUG_LEVEL", 1) > 3)
saveCert(x509, "signer.pem", FILE_FORMAT_PEM);
//AM 07.03.08 setSignatureCert for BDOC
if(!strcmp(pSigDoc->szFormat, BDOC_XML_1_NAME)) {
setSignatureCertBDOC(pSigInfo, x509);
}else{
setSignatureCert(pSigInfo, x509);
}
//AM 12.03.08
//VS 23.02.2010 - not necessary?
/*if(!strcmp(pSigDoc->szFormat, BDOC_XML_1_NAME)) {
findCAForCertificate(&ppCA, x509);
err = bdocSigInfo_addCert(pSigInfo, ppCA, CERTID_TYPE_CA_CERTID);
}*/
// FIXME
createTimestamp(pSigDoc, (char*)sigDig, sizeof(sigDig));
setString((char**)&(pSigInfo->szTimeStamp), (const char*)sigDig, -1);
// Signed properties digest
buf1 = createXMLSignedProperties(pSigDoc, pSigInfo, 0);
//dumpInFile("sigprop-sign1.txt", buf1);
if (!buf1) {
err = ERR_NULL_POINTER;
SET_LAST_ERROR(err);
return err;
}
mbuf1.pMem = canonicalizeXML((char*)buf1, strlen(buf1));
mbuf1.nLen = strlen((const char*)mbuf1.pMem);
ddocDebugWriteFile(4, "sigprop-signed.txt", &mbuf1);
l2 = sizeof(sigDig);
//AM 24.04.08
if(!strcmp(pSigDoc->szFormat, BDOC_XML_1_NAME))
err = calculateDigest((const byte*)mbuf1.pMem, mbuf1.nLen, BDOC_DIGEST, sigDig, &l2);
else
err = calculateDigest((const byte*)mbuf1.pMem, mbuf1.nLen, DIGEST_SHA1, sigDig, &l2);
free(buf1);
ddocMemBuf_free(&mbuf1);
if (err != ERR_OK) {
SET_LAST_ERROR(err);
return err;
}
ddocSigInfo_SetSigPropDigest(pSigInfo, (const char*)sigDig, l2);
ddocSigInfo_SetSigPropRealDigest(pSigInfo, (const char*)sigDig, l2);
// create signed info
//AM 11.03.08 createXMLSignedInfo for BDOC
if(!strcmp(pSigDoc->szFormat, BDOC_XML_1_NAME))
buf1 = createXMLSignedInfoBDoc(pSigDoc, pSigInfo);
else
buf1 = createXMLSignedInfo(pSigDoc, pSigInfo);
if (!buf1) {
err = ERR_NULL_POINTER;
SET_LAST_ERROR(err);
return err ;
}
// get digest
l2 = sizeof(sigDig);
/*if(!strcmp(pSigDoc->szFormat, BDOC_XML_1_NAME))
err = calculateDigest((const byte*)buf1, strlen(buf1), BDOC_DIGEST, sigDig, &l2);
else*/
err = calculateDigest((const byte*)buf1, strlen(buf1), DIGEST_SHA1, sigDig, &l2);
free(buf1);
if (err != ERR_OK) {
err = ERR_NULL_POINTER;
SET_LAST_ERROR(err);
return err;
}
ddocSigInfo_SetSigInfoRealDigest(pSigInfo, (const char*)sigDig, l2);
// sign data
sigLen = sizeof(signature);
memset(signature, 0, sizeof(signature));
// pad PKCS#1 ver 1
/*if(!strcmp(pSigDoc->szFormat, BDOC_XML_1_NAME) && BDOC_DIGEST==DIGEST_SHA256) {
padDigLen = 51;
memset(padDig, 0, sizeof(padDig));
memcpy(padDig, padding256, 19);
memcpy(padDig + 19, sigDig, l2);
} else {*/
padDigLen = 35;
memset(padDig, 0, sizeof(padDig));
memcpy(padDig, padding, 15);
memcpy(padDig + 15, sigDig, l2);
//}
//rv = RSA_padding_add_PKCS1_type_1(padDig, padDigLen, sigDig, l2);
//rv = RSA_padding_check_PKCS1_type_1(sigDig, l2, padDig, padDigLen, padDigLen+1);
// checkErrors();
// sign data
rv = SignData(hSession, hPrivateKey,
signature, &sigLen, padDig, padDigLen);
if (rv != CKR_OK) {
err = ERR_PKCS_SIGN_DATA;
SET_LAST_ERROR(err);
return err;
}
// set signature value
ddocSigInfo_SetSignatureValue(pSigInfo, (const char*)signature, (int)sigLen);
} // if slotid found
if(hSession)
closePKCS11Library(pLibrary, hSession);
return err;
}
int ddocLocateSlotWithSignatureCert(LIBHANDLE pLibrary, CK_SLOT_ID* slotids,
CK_SLOT_ID* pSlotId, X509** ppCert,
char idData[20], int* pIdLen, int nSlot, int* pIdx)
{
int err = ERR_PRIVKEY_READ, i, j, nMatch, l3;
CK_RV rv;
CK_SESSION_HANDLE hSession = 0;
CK_OBJECT_HANDLE objects[10];
CK_BYTE buf2[20], buf3[40];
CK_ULONG ulObjectCount = sizeof(objects)/sizeof(CK_OBJECT_HANDLE), ulCount = 0, l1 = 0, l2 = 0;
CK_OBJECT_CLASS ObjClass = CKO_CERTIFICATE;
CK_ATTRIBUTE Template1[] = {
{ CKA_CLASS, &ObjClass, sizeof(ObjClass) }
};
CK_ATTRIBUTE Template2[] = {
{ CKA_VALUE, (void*)0, l1 },
{ CKA_ID, (void*)0, sizeof(buf2)}
};
char buf1[3000];
X509* pCert;
RETURN_IF_NULL_PARAM(pLibrary);
RETURN_IF_NULL_PARAM(pSlotId);
RETURN_IF_NULL_PARAM(slotids);
RETURN_IF_NULL_PARAM(idData);
RETURN_IF_NULL_PARAM(ppCert);
// mark as not found
memset(idData, 0, *pIdLen);
ddocDebug(3, "ddocLocateSlotWithSignatureCert", "Driver handle: %d err = %d", pLibrary, err);
// now check every slot
for(i = 0, nMatch = 0; (i < 20) && !(*ppCert); i++) {
if(slotids[i] != INVALID_SLOTIID) {
ddocDebug(3, "ddocLocateSlotWithSignatureCert", "Checking slot nr: %d id: %d", i, slotids[i]);
// open session to slot but no login since we just need the cert
rv = (*ckFunc->C_OpenSession)(slotids[i], CKF_SERIAL_SESSION,0,0,&hSession);
ddocDebug(3, "ddocLocateSlotWithSignatureCert", "Login rv: %ld session: %ld", rv, hSession);
if(rv == CKR_OK) {
ulCount = sizeof(Template1)/sizeof(CK_ATTRIBUTE);
rv = (*ckFunc->C_FindObjectsInit)(hSession, Template1, ulCount);
if(rv == CKR_OK) {
rv = (*ckFunc->C_FindObjects)(hSession, objects, ulObjectCount, &ulObjectCount);
ddocDebug(3, "ddocLocateSlotWithSignatureCert", "slot id: %ld, objects: %ld",
slotids[i], ulObjectCount);
if(rv == CKR_OK && ulObjectCount > 0) {
ulCount = sizeof(Template2) / sizeof(CK_ATTRIBUTE);
for(j = 0; j < (int)ulObjectCount; j++) {
l1 = sizeof(buf1);
memset(buf1, 0, l1);
l2 = sizeof(buf2);
memset(buf2, 0, l2);
//Template2[0].pValue = 0; // check length first
rv = (*ckFunc->C_GetAttributeValue)(hSession, objects[j], Template2, ulCount);
if(rv == CKR_OK && Template2[0].ulValueLen < sizeof(buf1)) {
l1 = Template2[0].ulValueLen;
// now get cert data
Template2[0].pValue = buf1;
Template2[1].pValue = buf2;
rv = (*ckFunc->C_GetAttributeValue)(hSession, objects[j], Template2, ulCount);
ddocDebug(3, "ddocLocateSlotWithSignatureCert", "slot id: %ld, object: %ld cert-len: %ld rv: %ld",
slotids[i], j, l1, rv);
pCert = 0;
err = ddocDecodeX509Data(&pCert, (const byte*)buf1, l1);
if(pCert) {
if(ddocCertCheckKeyUsage(pCert, KUIDX_NON_REPUDIATION)) {
if((!nSlot || nSlot == nMatch) && !(*ppCert)) {
l3 = sizeof(buf3);
memset(buf3, 0, l3);
bin2hex((const byte*)buf2, (int)Template2[1].ulValueLen, (char*)buf3, &l3);
ddocDebug(3, "ddocLocateSlotWithSignatureCert", "Selecting slot: %d id: %d key-id %s", i, slotids[i], buf3);
*pSlotId = slotids[i];
*pIdx = i;
// keep this cert for signing
if(*ppCert)
X509_free(*ppCert);
(*ppCert) = pCert;
pCert = NULL; // mark as used
memcpy(idData, buf2, Template2[1].ulValueLen);
*pIdLen = Template2[1].ulValueLen;
err = ERR_OK; // found it
} else { // useable slot but not a match by slot id
ddocDebug(3, "ddocLocateSlotWithSignatureCert", "Useable slot: %d but search: %d", nMatch, nSlot);
nMatch++;
}
} // if non-repu cert
} // if pCert
if(pCert)
X509_free(pCert);
pCert = 0;
} // if get-attribute ok
} // for j < ulObjectCount
} // if found any certs
} // if find-init ok
rv = (*ckFunc->C_FindObjectsFinal)(hSession);
} // if login ok
rv = (*ckFunc->C_CloseSession)(hSession);
} // if slotid
} // for i
return err;
}
int ddocLocateSlotWithSignatureCert(LIBHANDLE pLibrary, CK_SLOT_ID* slotids,
CK_SLOT_ID* pSlotId, char* pLabel, CK_ULONG nLabelLen)
{
int err = ERR_OK, i, j;
CK_RV rv;
CK_SESSION_HANDLE hSession = 0;
CK_OBJECT_HANDLE objects[10];
CK_ULONG ulObjectCount = sizeof(objects)/sizeof(CK_OBJECT_HANDLE), ulCount = 0, l1 = 0;
CK_OBJECT_CLASS ObjClass = CKO_CERTIFICATE;
CK_ATTRIBUTE Template1[] = {
{ CKA_CLASS, &ObjClass, sizeof(ObjClass) }
};
CK_ATTRIBUTE Template2[] = {
{ CKA_VALUE, (void*)0, l1 }
//, { CKA_ID, (void*)pLabel, nLabelLen }
};
char buf1[3000];
X509* pCert;
RETURN_IF_NULL_PARAM(pLibrary);
RETURN_IF_NULL_PARAM(pSlotId);
RETURN_IF_NULL_PARAM(slotids);
RETURN_IF_NULL_PARAM(pLabel);
// mark as not found
*pSlotId = INVALID_SLOTIID;
ddocDebug(3, "ddocLocateSlotWithSignatureCert", "Driver handle: %d err = %d", pLibrary, err);
// now check every slot
for(i = 0; i < 20; i++) {
if(slotids[i] != INVALID_SLOTIID) {
ddocDebug(3, "ddocLocateSlotWithSignatureCert", "Checking slot nr: %d id: %d", i, slotids[i]);
// open session to slot but no login since we just need the cert
rv = (*ckFunc->C_OpenSession)(slotids[i], CKF_SERIAL_SESSION,0,0,&hSession);
ddocDebug(3, "ddocLocateSlotWithSignatureCert", "Login rv: %ld session: %ld", rv, hSession);
if(rv == CKR_OK) {
ulCount = sizeof(Template1)/sizeof(CK_ATTRIBUTE);
rv = (*ckFunc->C_FindObjectsInit)(hSession, Template1, ulCount);
if(rv == CKR_OK) {
rv = (*ckFunc->C_FindObjects)(hSession, objects, ulObjectCount, &ulObjectCount);
ddocDebug(3, "ddocLocateSlotWithSignatureCert", "slot id: %ld, objects: %ld",
slotids[i], ulObjectCount);
if(rv == CKR_OK && ulObjectCount > 0) {
ulCount = sizeof(Template2) / sizeof(CK_ATTRIBUTE);
for(j = 0; j < (int)ulObjectCount; j++) {
l1 = sizeof(buf1);
memset(buf1, 0, l1);
//Template2[0].pValue = 0; // check length first
rv = (*ckFunc->C_GetAttributeValue)(hSession, objects[j], Template2, ulCount);
if(rv == CKR_OK && Template2[0].ulValueLen < sizeof(buf1)) {
l1 = Template2[0].ulValueLen;
// now get cert data
Template2[0].pValue = buf1;
rv = (*ckFunc->C_GetAttributeValue)(hSession, objects[j], Template2, ulCount);
ddocDebug(3, "ddocLocateSlotWithSignatureCert", "slot id: %ld, object: %ld cert-len: %ld rv: %ld",
slotids[i], j, l1, rv);
pCert = 0;
err = ddocDecodeX509Data(&pCert, (const byte*)buf1, l1);
if(pCert)
ddocDebug(3, "ddocLocateSlotWithSignatureCert",
"flags: %ld kusage: %ld xkusage: %ld ku-dig-sign: %d ku-non-repud: %d ku-ex: %d non-rep-ex: %d",
pCert->ex_flags, pCert->ex_kusage, pCert->ex_xkusage,
pCert->ex_kusage & X509v3_KU_DIGITAL_SIGNATURE,
pCert->ex_kusage & X509v3_KU_NON_REPUDIATION,
pCert->ex_xkusage & X509v3_KU_DIGITAL_SIGNATURE,
pCert->ex_xkusage & X509v3_KU_NON_REPUDIATION);
if(pCert)
X509_free(pCert);
}
} // for j < ulObjectCount
} // if found any certs
} // if find-init ok
rv = (*ckFunc->C_FindObjectsFinal)(hSession);
} // if login ok
rv = (*ckFunc->C_CloseSession)(hSession);
} // if slotid
} // for i
return err;
}
//============================================================
// Calculates and stores a signature for this SignatureInfo object
// Uses EstEID card to sign the info
// pSigInfo - signature info object
// nSigType - signature type code
// keyfile - RSA key file
// passwd - key password
// certfile - certificate file
//============================================================
EXP_OPTION int calculateSignatureWithEstID(SignedDoc* pSigDoc, SignatureInfo* pSigInfo,
int slot, const char* passwd)
{
int err = ERR_OK, nKey;
LIBHANDLE pLibrary = 0;
CK_ULONG certLen, sigLen, padDigLen;
CK_RV rv;
CK_SLOT_ID slotids[20], slId = 0;
CK_SESSION_HANDLE hSession = 0;
CK_OBJECT_HANDLE hPrivateKey = 0, hKeys[20], hCert;
char keyId[20][20], kId[20];
CK_ULONG keyIdLen[20];
CK_BYTE certData[2048];
CK_BYTE sigDig[100], padDig[130];
CK_BYTE signature[256];
CK_BYTE padding[] = { 48, 33, 48, 9, 6, 5, 43, 14, 3, 2, 26, 5, 0, 4, 20 };
//CK_BYTE padding256[] = { 48, 49, 48, 13, 6, 9, 96, 134, 72, 1 ,101, 3, 4, 2, 1, 5, 0, 4, 32};
//CK_BYTE padding256[] = { 48, 33, 48, 13, 6, 9, 96, 134, 72, 1 ,101, 3, 4, 2, 1, 5, 0, 4, 32};
char* buf1;
int l1, l2, kILen;
X509* x509 = 0;
DigiDocMemBuf mbuf1;
RETURN_IF_NULL_PARAM(pSigInfo);
RETURN_IF_NULL_PARAM(pSigDoc);
// try active driver driver first
snprintf((char*)signature, sizeof(signature), "DIGIDOC_DRIVER_%d_FILE",
ConfigItem_lookup_int("DIGIDOC_DEFAULT_DRIVER", 1));
for(l1 = 0; l1 < 20; l1++)
slotids[l1] = INVALID_SLOTIID; // initialize
err = loadAndTestDriver(ConfigItem_lookup((const char*)signature),
&pLibrary, (CK_SLOT_ID*)slotids, 20, (CK_ULONG)slot);
ddocDebug(3, "calculateSignatureWithEstID", "Driver handle: %d err = %d slot: %d",
pLibrary, err, slot);
RETURN_IF_NOT(err == ERR_OK, err);
// inittialize
slId = INVALID_SLOTIID; // not found yet
// try key-usage check
if(ConfigItem_lookup_int("KEY_USAGE_CHECK", 1)) {
kILen = sizeof(kId);
ddocDebug(3, "calculateSignatureWithEstID", "Find slot by key-usage, slot: %d", slot);
err = ddocLocateSlotWithSignatureCert(pLibrary, slotids, &slId, &x509, kId, &kILen, slot, &l1);
ddocDebug(3, "calculateSignatureWithEstID",
"Select by key-usage slot idx: %d = %d err: %d key-id: %s, kid-len: %d", l1, slId, err, kId, kILen);
if(err != ERR_OK || l1 < 0 || l1 >= 20) {
SET_LAST_ERROR(ERR_SIGNERS_CERT_NON_REPU);
return ERR_SIGNERS_CERT_NON_REPU;
}
} else {
ddocDebug(3, "calculateSignatureWithEstID", "Find slot by slot idx: %d", slot);
for(l1 = 0; (l1 < 20) && (slId == INVALID_SLOTIID); l1++) {
if(slotids[l1] != INVALID_SLOTIID)
ddocDebug(3, "calculateSignatureWithEstID",
"Slot idx: %d = %d", l1, slotids[l1]);
if(slotids[l1] != INVALID_SLOTIID && l1 == slot) {
slId = slotids[l1];
ddocDebug(3, "calculateSignatureWithEstID",
"Select idx: %d slot: %d", l1, slId);
} // if slotid
} // for
}
// use default if not found by key-id or direct
if(slId == INVALID_SLOTIID) {
l1 = ConfigItem_lookup_int("DIGIDOC_SIGNATURE_SLOT", 0);
if(slotids[l1] != INVALID_SLOTIID) {
ddocDebug(3, "calculateSignatureWithEstID",
"Select default slot idx: %d = %d", l1, slotids[l1]);
slId = slotids[l1];
}
}
// open session
if(slId != INVALID_SLOTIID) {
hSession = OpenSession(slId, passwd);
ddocDebug(3, "calculateSignatureWithEstID",
"Open sess for slot: %d sess = %d", slId, hSession);
if (hSession == CK_INVALID_HANDLE) { err = ERR_PKCS_LOGIN; SET_LAST_ERROR(err); return err; }
ddocDebug(3, "calculateSignatureWithEstID", "OpenSession ok, hSession1 = %d", (int)hSession);
if(!x509) {
ddocDebug(3, "calculateSignatureWithEstID", "Cert ok");
// get private key
for(l1 = 0; l1 < 20; l1++) {
memset(keyId[l1], 0, 20);
keyIdLen[l1] = 0;
}
err = LocatePrivateKey(hSession, keyId, keyIdLen, hKeys);
//ddocDebug(3, "calculateSignatureWithEstID", "Priv key: %s", keyId);
//
// get cert
memset(certData, 0, sizeof(certData));
certLen = sizeof(certData);
hCert = LocateCertificate(hSession, certData, &certLen, keyId, keyIdLen, &nKey);
hPrivateKey = hKeys[nKey];
ddocDebug(3, "calculateSignatureWithEstID", "selected priv-key: %ld pos %d id: %s", hPrivateKey, nKey, keyId[nKey]);
ddocDebug(3, "calculateSignatureWithEstID", "Cert-len: %ld", certLen);
//printf("Cert: %s", certData);
if (hCert == (CK_OBJECT_HANDLE)-1) { err = ERR_PKCS_CERT_LOC; SET_LAST_ERROR(err); return err; }
// set cert data
err = ddocDecodeX509Data(&x509, certData, certLen);
} else { // cert already found
//kILen = sizeof(kId);
ddocDebug(3, "calculateSignatureWithEstID", "Locate priv key2 id: %s, len: %d, hkey: %d", kId, kILen, hPrivateKey);
err = LocatePrivateKeyWithId(hSession, (CK_BYTE_PTR)kId, kILen, &hPrivateKey);
ddocDebug(3, "calculateSignatureWithEstID", "Priv key-id: %s len: %d hkey: %d err: %d", kId, kILen, hPrivateKey, err);
}
ddocDebug(3, "calculateSignatureWithEstID", "Priv key: %d err: %d", hPrivateKey, err);
if (hPrivateKey == CK_INVALID_HANDLE) { err = ERR_PKCS_PK; SET_LAST_ERROR(err); return err; }
if (!x509) { err = ERR_PKCS_CERT_DECODE; }
// save cert in file
if(ConfigItem_lookup_int("DEBUG_LEVEL", 1) > 3)
saveCert(x509, "signer.pem", FILE_FORMAT_PEM);
setSignatureCert(pSigInfo, x509);
// FIXME
createTimestamp(pSigDoc, (char*)sigDig, sizeof(sigDig));
setString((char**)&(pSigInfo->szTimeStamp), (const char*)sigDig, -1);
// Signed properties digest
buf1 = createXMLSignedProperties(pSigDoc, pSigInfo, 0);
//dumpInFile("sigprop-sign1.txt", buf1);
if (!buf1) {
err = ERR_NULL_POINTER;
SET_LAST_ERROR(err);
return err;
}
mbuf1.pMem = canonicalizeXML((char*)buf1, strlen(buf1));
mbuf1.nLen = strlen((const char*)mbuf1.pMem);
ddocDebugWriteFile(4, "sigprop-signed.txt", &mbuf1);
l2 = sizeof(sigDig);
err = calculateDigest((const byte*)mbuf1.pMem, mbuf1.nLen, DIGEST_SHA1, sigDig, &l2);
free(buf1);
ddocMemBuf_free(&mbuf1);
if (err != ERR_OK) {
SET_LAST_ERROR(err);
return err;
}
ddocSigInfo_SetSigPropDigest(pSigInfo, (const char*)sigDig, l2);
ddocSigInfo_SetSigPropRealDigest(pSigInfo, (const char*)sigDig, l2);
// create signed info
buf1 = createXMLSignedInfo(pSigDoc, pSigInfo);
if (!buf1) {
err = ERR_NULL_POINTER;
SET_LAST_ERROR(err);
return err ;
}
// get digest
l2 = sizeof(sigDig);
err = calculateDigest((const byte*)buf1, strlen(buf1), DIGEST_SHA1, sigDig, &l2);
free(buf1);
if (err != ERR_OK) {
err = ERR_NULL_POINTER;
SET_LAST_ERROR(err);
return err;
}
ddocSigInfo_SetSigInfoRealDigest(pSigInfo, (const char*)sigDig, l2);
// sign data
sigLen = sizeof(signature);
memset(signature, 0, sizeof(signature));
// pad PKCS#1 ver 1
padDigLen = 35;
memset(padDig, 0, sizeof(padDig));
memcpy(padDig, padding, 15);
memcpy(padDig + 15, sigDig, l2);
//rv = RSA_padding_add_PKCS1_type_1(padDig, padDigLen, sigDig, l2);
//rv = RSA_padding_check_PKCS1_type_1(sigDig, l2, padDig, padDigLen, padDigLen+1);
// checkErrors();
// sign data
rv = SignData(hSession, hPrivateKey,
signature, &sigLen, padDig, padDigLen);
if (rv != CKR_OK) {
err = ERR_PKCS_SIGN_DATA;
SET_LAST_ERROR(err);
return err;
}
// set signature value
ddocSigInfo_SetSignatureValue(pSigInfo, (const char*)signature, (int)sigLen);
ddocDebug(3, "calculateSignatureWithEstID", "Sig-len: %ld", sigLen);
} // if slotid found
if(hSession)
closePKCS11Library(pLibrary, hSession);
return err;
}
//============================================================
// Locates a certificate on the token on basis of its CKA_LABEL attribute.
// hSession - card session handle
// label - key label
// return objects handle or -1 for failure
//============================================================
CK_OBJECT_HANDLE LocateCertificate(CK_SESSION_HANDLE hSession,
CK_BYTE_PTR certData, CK_ULONG_PTR certLen,
char idData[20][20], CK_ULONG idLen[20],
int* pSelKey)
{
CK_OBJECT_HANDLE Objects[10];
CK_ULONG ulObjectCount = sizeof(Objects)/sizeof(CK_OBJECT_HANDLE), i, j;
CK_BYTE buf1[20];
CK_OBJECT_HANDLE hCert = CK_INVALID_HANDLE;
CK_RV rv;
// Set up a template to search for Certificate token objects
// in the given session and thus slot
CK_OBJECT_CLASS ObjClass = CKO_CERTIFICATE;
CK_ATTRIBUTE Template1[] = {
{ CKA_CLASS, &ObjClass, sizeof(ObjClass) },
{ CKA_ID, (void*)0, 0 }
};
CK_ATTRIBUTE Template3[] = {
{ CKA_CLASS, &ObjClass, sizeof(ObjClass) },
};
CK_ATTRIBUTE Template2[] = {
{ CKA_VALUE, (void*)0, *certLen },
{ CKA_ID, (void*)0, 0 }
};
CK_ULONG ulCount = 0;
if(idLen)
ulCount = sizeof(Template1)/sizeof(CK_ATTRIBUTE);
else
ulCount = sizeof(Template3)/sizeof(CK_ATTRIBUTE);
*certLen = 0;
/*
** Initiate the object search
C_FindObjectsInit initializes a search for token and session objects that match a template.
hSession is the sessions handle; pTemplate points to a search template that specifies the
attribute values to match; ulCount is the number of attributes in the search template. The
matching criterion is an exact byte-for-byte match with all attributes in the template.
To find all objects, set ulCount to 0.
*/
for(j = 0; j < 20 && !(*certLen); j++) {
if(idLen && idLen[j]) {
memset(buf1, 0, sizeof(buf1));
memcpy(buf1, idData[j], idLen[j]);
Template1[1].pValue = buf1;
Template1[1].ulValueLen = idLen[j];
}
rv = (*ckFunc->C_FindObjectsInit)(hSession, (idLen ? Template1 : Template3), 1); //ulCount);
if(rv==CKR_OK) {
rv = (*ckFunc->C_FindObjects)(hSession,Objects,ulObjectCount, &ulObjectCount);
ddocDebug(3, "LocateCertificate", "search key-id: %s, found: %ld rv: %ld", buf1, ulObjectCount, rv);
if(rv==CKR_OK) {
// pick the first cert that is valid
// list and ignore any other
for(i = 0; i < ulObjectCount; i++) {
hCert = Objects[i];
memset(certData, 0, *certLen);
ulCount = sizeof(Template2) / sizeof(CK_ATTRIBUTE);
// get cert length
*certLen = 0;
Template2[1].pValue = buf1;
Template2[1].ulValueLen = sizeof(buf1);
rv = (*ckFunc->C_GetAttributeValue)(hSession, hCert, Template2, ulCount);
ddocDebug(3, "LocateCertificate", "cert-id: %s", buf1);
if(rv == CKR_OK && (!idLen ||
(idLen && !memcmp(idData[j], buf1, idLen[1])))) {
*certLen = Template2[0].ulValueLen;
// now get cert data
Template2[0].pValue = certData;
rv = (*ckFunc->C_GetAttributeValue)(hSession, hCert, Template2, ulCount);
ddocDebug(3, "LocateCertificate", "cert-len: %ld", *certLen);
if(*certLen > 0 && pSelKey) {
*pSelKey = j;
break; // found it
}
} // if rv == CKR_OK
} // for i < ulObjectCount
} // if rv
} // if rv
rv = (*ckFunc->C_FindObjectsFinal)(hSession);
} // for j
if(hCert == CK_INVALID_HANDLE)
*certLen = 0;
return hCert;
}
//============================================================
// Initializes NotaryInfo object with data from OCSP object
// pSigDoc - digidoc main object pointer
// pNotary - NotaryInfo object to be initialized
// resp - OCSP response object
// notCert - Notary cert object
// return error code
//============================================================
int initializeNotaryInfoWithOCSP(SignedDoc *pSigDoc, NotaryInfo *pNotary,
OCSP_RESPONSE *resp, X509 *notCert, int initDigest)
{
int n, err = ERR_OK;
char buf[500];
OCSP_RESPBYTES *rb = NULL;
OCSP_BASICRESP *br = NULL;
OCSP_RESPDATA *rd = NULL;
OCSP_RESPID *rid = NULL;
// OCSP_CERTSTATUS *cst = NULL;
OCSP_SINGLERESP *single = NULL;
OCSP_CERTID *cid = NULL;
X509_EXTENSION *nonce;
//AM 26.09.08
DigiDocMemBuf mbuf1;
mbuf1.pMem = 0;
mbuf1.nLen = 0;
RETURN_IF_NULL_PARAM(pNotary);
RETURN_IF_NULL_PARAM(resp);
// check the OCSP Response validity
switch(OCSP_response_status(resp)) {
case OCSP_RESPONSE_STATUS_SUCCESSFUL: // OK
break;
case OCSP_RESPONSE_STATUS_MALFORMEDREQUEST:
SET_LAST_ERROR_RETURN_CODE(ERR_OCSP_MALFORMED);
case OCSP_RESPONSE_STATUS_INTERNALERROR:
SET_LAST_ERROR_RETURN_CODE(ERR_OCSP_INTERNALERR);
case OCSP_RESPONSE_STATUS_TRYLATER:
SET_LAST_ERROR_RETURN_CODE(ERR_OCSP_TRYLATER);
case OCSP_RESPONSE_STATUS_SIGREQUIRED:
SET_LAST_ERROR_RETURN_CODE(ERR_OCSP_SIGREQUIRED);
case OCSP_RESPONSE_STATUS_UNAUTHORIZED:
SET_LAST_ERROR_RETURN_CODE(ERR_OCSP_UNAUTHORIZED);
default:
SET_LAST_ERROR_RETURN_CODE(ERR_OCSP_UNSUCCESSFUL);
}
RETURN_IF_NULL_PARAM(resp->responseBytes);;
rb = resp->responseBytes;
if(OBJ_obj2nid(rb->responseType) != NID_id_pkix_OCSP_basic)
SET_LAST_ERROR_RETURN_CODE(ERR_OCSP_UNKNOWN_TYPE);
if((br = OCSP_response_get1_basic(resp)) == NULL)
SET_LAST_ERROR_RETURN_CODE(ERR_OCSP_NO_BASIC_RESP);
rd = br->tbsResponseData;
if(ASN1_INTEGER_get(rd->version) != 0)
SET_LAST_ERROR_RETURN_CODE(ERR_OCSP_WRONG_VERSION);
n = sk_OCSP_SINGLERESP_num(rd->responses);
if(n != 1)
SET_LAST_ERROR_RETURN_CODE(ERR_OCSP_ONE_RESPONSE);
single = sk_OCSP_SINGLERESP_value(rd->responses, 0);
RETURN_IF_NULL(single);
cid = single->certId;
RETURN_IF_NULL(cid);
ddocDebug(4, "initializeNotaryInfoWithOCSP", "CertStatus-type: %d", single->certStatus->type);
//printf("TYPE: %d\n", single->certStatus->type);
if(single->certStatus->type != 0) {
ddocDebug(4, "initializeNotaryInfoWithOCSP", "errcode: %d", handleOCSPCertStatus(single->certStatus->type));
SET_LAST_ERROR_RETURN_CODE(handleOCSPCertStatus(single->certStatus->type));
}
//Removed 31.10.2003
//if(single->singleExtensions)
// SET_LAST_ERROR_RETURN_CODE(ERR_OCSP_NO_SINGLE_EXT);
if(!rd->responseExtensions ||
(sk_X509_EXTENSION_num(rd->responseExtensions) != 1) ||
((nonce = sk_X509_EXTENSION_value(rd->responseExtensions, 0)) == NULL))
SET_LAST_ERROR_RETURN_CODE(ERR_OCSP_NO_NONCE);
i2t_ASN1_OBJECT(buf,sizeof(buf),nonce->object);
if(strcmp(buf, OCSP_NONCE_NAME))
SET_LAST_ERROR_RETURN_CODE(ERR_OCSP_NO_NONCE);
rid = rd->responderId;
if(rid->type == V_OCSP_RESPID_NAME) {
pNotary->nRespIdType = RESPID_NAME_TYPE;
} else if(rid->type == V_OCSP_RESPID_KEY) {
pNotary->nRespIdType = RESPID_KEY_TYPE;
} else {
SET_LAST_ERROR_RETURN_CODE(ERR_OCSP_WRONG_RESPID);
}
// producedAt
err = asn1time2str(pSigDoc, rd->producedAt, buf, sizeof(buf));
setString(&(pNotary->timeProduced), buf, -1);
n = sizeof(buf);
if(rid->type == V_OCSP_RESPID_NAME) {
//X509_NAME_oneline(rid->value.byName,buf,n);
//AM 26.09.08
err = ddocCertGetDNFromName(rid->value.byName, &mbuf1);
RETURN_IF_NOT(err == ERR_OK, err);
err = ddocNotInfo_SetResponderId(pNotary, (char*)mbuf1.pMem, -1);
ddocMemBuf_free(&mbuf1);
}
if(rid->type == V_OCSP_RESPID_KEY) {
err = ddocNotInfo_SetResponderId(pNotary, (const char*)rid->value.byKey->data, rid->value.byKey->length);
}
// digest type
i2t_ASN1_OBJECT(buf,sizeof(buf),cid->hashAlgorithm->algorithm);
setString(&(pNotary->szDigestType), buf, -1);
// signature algorithm
i2t_ASN1_OBJECT(buf,sizeof(buf),br->signatureAlgorithm->algorithm);
setString(&(pNotary->szSigType), buf, -1);
// notary cert
if(notCert && !err)
err = addNotaryInfoCert(pSigDoc, pNotary, notCert);
// save the response in memory
err = ddocNotInfo_SetOCSPResponse_Value(pNotary, resp);
// get the digest from original OCSP data
if(initDigest && notCert) {
err = calcNotaryDigest(pSigDoc, pNotary);
}
if(br != NULL)
OCSP_BASICRESP_free(br);
if (err != ERR_OK) SET_LAST_ERROR(err);
return err;
}
//--------------------------------------------------
// Writes encrypted data to a file
// pEncData - encrypted data object [REQUIRED]
// szFileName - name of the file to write the data [REQUIRED]
// returns error code or ERR_OK
//--------------------------------------------------
EXP_OPTION int dencGenEncryptedData_writeToFile(DEncEncryptedData* pEncData, const char* szFileName)
{
int err = ERR_OK;
DigiDocMemBuf mbufEncData;
FILE* hFile;
#ifdef WIN32
wchar_t *convFileName = 0;
int i= 0;
err = utf82unicode((const char*)szFileName, (char**)&convFileName, &i);
ddocDebug(3, "ddocGenEncryptedData_writeToFile", "file: %s, conv-file: %s len: %d", szFileName, convFileName, i);
#else
char convFileName[1024];
ddocConvertFileName( convFileName, sizeof(convFileName), szFileName );
#endif
ddocDebug(3, "dencGenEncryptedData_writeToFile", "filename: %s", szFileName);
RETURN_IF_NULL_PARAM(pEncData)
RETURN_IF_NULL_PARAM(szFileName)
// start of element
mbufEncData.pMem = 0;
mbufEncData.nLen = 0;
err = dencGenEncryptedData_toXML(pEncData, &mbufEncData);
#ifdef WIN32
if(!err && (hFile = _wfopen(convFileName, L"wb")) != NULL) {
#else
if(!err && (hFile = fopen(convFileName, "wb")) != NULL) {
#endif
fwrite(mbufEncData.pMem, mbufEncData.nLen, 1, hFile);
fclose(hFile);
} else {
SET_LAST_ERROR_RETURN_CODE(ERR_FILE_WRITE);
ddocDebug(1, "dencGenEncryptedData_writeToFile", "Error writing encrypted document");
}
// cleanup
ddocMemBuf_free(&mbufEncData);
return err;
}
//--------------------------------------------------
// Generates the header of XML for <EncryptedData> element
// This contains everything upto the start of base64 encoded cipher data
// pEncData - encrypted data object [REQUIRED]
// pBuf - memory buffer for storing xml [REQUIRED]
// returns error code or ERR_OK
//--------------------------------------------------
int dencGenEncryptedData_header_toXML(DEncEncryptedData* pEncData, DigiDocMemBuf* pBuf)
{
int err = ERR_OK;
char* p;
int i, n;
RETURN_IF_NULL_PARAM(pBuf)
RETURN_IF_NULL_PARAM(pEncData)
// xml header
err = ddocMemAppendData(pBuf, "<?xml version=\"1.0\" encoding=\"UTF-8\" ?>", -1);
if(err) return err;
// start of element
err = ddocGen_startElemBegin(pBuf, "denc:EncryptedData");
if(err) return err;
// xmlns:denc
//p = dencEncryptedData_GetXmlNs(pEncData);
//if(p)
err = ddocGen_addAtribute(pBuf, "xmlns:denc", DENC_XMLNS_XMLENC);
if(err) return err;
// Id atribute
p = (char*)dencEncryptedData_GetId(pEncData);
if(p)
err = ddocGen_addAtribute(pBuf, "Id", p);
if(err) return err;
// Type atribute
p = (char*)dencEncryptedData_GetType(pEncData);
if(p)
err = ddocGen_addAtribute(pBuf, "Type", p);
if(err) return err;
// MimeType atribute
p = (char*)dencEncryptedData_GetMimeType(pEncData);
if(p)
err = ddocGen_addAtribute(pBuf, "MimeType", p);
if(err) return err;
// Encoding ???
// end of element start tag
err = ddocGen_startElemEnd(pBuf);
if(err) return err;
// <EncryptionMethod>
p = (char*)dencEncryptedData_GetEncryptionMethod(pEncData);
if(p) {
err = ddocGen_startElemBegin(pBuf, "denc:EncryptionMethod");
if(err) return err;
err = ddocGen_addAtribute(pBuf, "Algorithm", p);
if(err) return err;
// end of element start tag
err = ddocGen_startElemEnd(pBuf);
if(err) return err;
err = ddocGen_endElem(pBuf, "denc:EncryptionMethod");
if(err) return err;
}
n = dencEncryptedData_GetEncryptedKeyCount(pEncData);
if(n > 0) {
// <KeyInfo>
err = ddocGen_startElemBegin(pBuf, "ds:KeyInfo");
if(err) return err;
// xmlns ???
err = ddocGen_addAtribute(pBuf, "xmlns:ds", DENC_XMLNS_XMLDSIG);
if(err) return err;
err = ddocGen_startElemEnd(pBuf);
if(err) return err;
// <EncryptedKey>
for(i = 0; i < n; i++) {
DEncEncryptedKey* pEncKey = dencEncryptedData_GetEncryptedKey(pEncData, i);
if(pEncKey) {
err = dencGenEncryptedKey_toXML(pEncKey, pBuf);
if(err) return err;
}
}
// end of element <KeyInfo>
err = ddocGen_endElem(pBuf, "ds:KeyInfo");
if(err) return err;
}
// encrypted data
err = ddocGen_startElem(pBuf, "denc:CipherData");
if(err) return err;
err = ddocGen_startElem(pBuf, "denc:CipherValue");
// here would come the base64 encoded cipher data
return err;
}
//--------------------------------------------------
// Calculates file size
// szFileName - file name
// lFileLen - pointer to a buffer where to store the file length
// returns error code or ERR_OK for success
//--------------------------------------------------
EXP_OPTION int calculateFileSize(const char* szFileName, long* lFileLen)
{
FILE* hFile = 0;
#ifdef WIN32
int i = 0, err = ERR_OK;
wchar_t *convFileName = 0;
#endif
RETURN_IF_NULL_PARAM(szFileName);
RETURN_IF_NULL_PARAM(lFileLen);
if(!szFileName || !strlen(szFileName)) return 0;
#ifdef WIN32
err = utf82unicode((const char*)szFileName, (char**)&convFileName, &i);
ddocDebug(3, "calculateFileSize", "Opening FILE: %s, conv-file: %s len: %d", szFileName, convFileName, i);
if((hFile = _wfopen(convFileName,L"rb")) != NULL) {
#else
if((hFile = fopen(szFileName,"rb")) != NULL) {
#endif
fseek(hFile, 0, SEEK_END);
(*lFileLen) = ftell(hFile);
ddocDebug(3, "calculateFileSize", "Closing FILE: %s, size: %ld", szFileName, (*lFileLen));
fclose(hFile);
} // if - fopen
else
SET_LAST_ERROR_RETURN_CODE(ERR_FILE_READ);
#ifdef WIN32
if(convFileName) free(convFileName);
#endif
return ERR_OK;
}
//--------------------------------------------------
// Calculates files SHA1-RSA signature
// szFileName - file name
// nDigestType - digest type. Supports only SHA1 (0)
// pSigBuf - buffer to store the signature
// nSigLen - buffer size, must be at least 128
// will be updated by actual signature length
// keyfile - name of the private key file
// passwd - private key password
// returns error code or ERR_OK for success
//--------------------------------------------------
EXP_OPTION int calculateFileSignature(const char* szFileName, int nDigestType,
byte* pSigBuf, int* nSigLen,
const char *keyfile, const char* passwd)
{
int err = ERR_OK;
EVP_MD_CTX ctx;
byte buf[FILE_BUFSIZE];
int i;
FILE *f = NULL;
EVP_PKEY* pkey = NULL;
RETURN_IF_NULL_PARAM(szFileName);
RETURN_IF_NULL_PARAM(pSigBuf);
RETURN_IF_NULL_PARAM(nSigLen);
RETURN_IF_NULL_PARAM(keyfile);
RETURN_IF_NULL_PARAM(passwd);
memset(pSigBuf, 0, *nSigLen);
if(nDigestType == DIGEST_SHA1) {
if(*nSigLen >= SIGNATURE_LEN) {
if((err = ReadPrivateKey(&pkey, keyfile, passwd, FILE_FORMAT_PEM)) == ERR_OK) {
if((f = fopen(szFileName,"rb")) != NULL) {
EVP_SignInit(&ctx, EVP_sha1());
for (;;) {
i = fread(buf, sizeof(char), FILE_BUFSIZE, f);
if (i <= 0) break;
EVP_SignUpdate (&ctx, buf, (unsigned long)i);
}
err = EVP_SignFinal(&ctx, pSigBuf, (unsigned int*)nSigLen, pkey);
if(err == ERR_LIB_NONE)
err = ERR_OK;
fclose(f);
EVP_PKEY_free(pkey);
} // if - fopen
else
err = ERR_FILE_READ;
}
else
err = ERR_PRIVKEY_READ;
}
else
err = ERR_SIGNATURE_LEN;
}
else
err = ERR_UNSUPPORTED_DIGEST;
if (err != ERR_OK) SET_LAST_ERROR(err);
return err;
}
//--------------------------------------------------
// sends an OCSP_REQUES object to remore server and
// retrieves the OCSP_RESPONSE object
// resp - buffer to store the new responses pointer
// req - request objects pointer
// url - OCSP responder URL
//--------------------------------------------------
int ddocPullUrl(const char* url, DigiDocMemBuf* pSendData, DigiDocMemBuf* pRecvData,
const char* proxyHost, const char* proxyPort)
{
BIO* cbio = 0, *sbio = 0;
SSL_CTX *ctx = NULL;
char *host = NULL, *port = NULL, *path = "/", buf[200];
int err = ERR_OK, use_ssl = -1, rc;
long e;
//RETURN_IF_NULL_PARAM(pSendData); // may be null if nothing to send?
RETURN_IF_NULL_PARAM(pRecvData);
RETURN_IF_NULL_PARAM(url);
ddocDebug(4, "ddocPullUrl", "URL: %s, in: %d bytes", url, pSendData->nLen);
//there is an HTTP proxy - connect to that instead of the target host
if (proxyHost != 0 && *proxyHost != '\0') {
host = (char*)proxyHost;
if(proxyPort != 0 && *proxyPort != '\0')
port = (char*)proxyPort;
path = (char*)url;
} else {
if(OCSP_parse_url((char*)url, &host, &port, &path, &use_ssl) == 0) {
ddocDebug(1, "ddocPullUrl", "Failed to parse the URL");
return ERR_WRONG_URL_OR_PROXY;
}
}
if((cbio = BIO_new_connect(host)) != 0) {
ddocDebug(4, "ddocPullUrl", "Host: %s port: %s", host, port);
if(port != NULL) {
BIO_set_conn_port(cbio, port);
}
if(use_ssl == 1) {
ctx = SSL_CTX_new(SSLv23_client_method());
SSL_CTX_set_mode(ctx, SSL_MODE_AUTO_RETRY);
sbio = BIO_new_ssl(ctx, 1);
cbio = BIO_push(sbio, cbio);
}
if ((rc = BIO_do_connect(cbio)) > 0) {
ddocDebug(4, "ddocPullUrl", "Connected: %d", rc);
if(pSendData && pSendData->nLen && pSendData->pMem) {
rc = BIO_write(cbio, pSendData->pMem, pSendData->nLen);
ddocDebug(4, "ddocPullUrl", "Sent: %d bytes, got: %d", pSendData->nLen, rc);
}
do {
memset(buf, 0, sizeof(buf));
rc = BIO_read(cbio, buf, sizeof(buf)-1);
ddocDebug(4, "ddocPullUrl", "Received: %d bytes\n", rc);
if(rc > 0)
err = ddocMemAppendData(pRecvData, buf, rc);
} while(rc > 0);
ddocDebug(4, "ddocPullUrl", "Total received: %d bytes\n", pRecvData->nLen);
} else {
//if no connection
e = checkErrors();
if(ERR_GET_REASON(e) == BIO_R_BAD_HOSTNAME_LOOKUP ||
ERR_GET_REASON(e) == OCSP_R_SERVER_WRITE_ERROR)
err = ERR_CONNECTION_FAILURE;
else
err = (host != NULL) ? ERR_WRONG_URL_OR_PROXY : ERR_CONNECTION_FAILURE;
}
BIO_free_all(cbio);
if (use_ssl != -1) {
OPENSSL_free(host);
OPENSSL_free(port);
OPENSSL_free(path);
SSL_CTX_free(ctx);
}
}
else
err = ERR_CONNECTION_FAILURE;
return(err);
}
