static void testGetLatestPublicationOfLast(CuTest *tc) {
int res;
KSI_PublicationsFile *pubFile = NULL;
KSI_PublicationRecord *pubRec = NULL;
KSI_Integer *tm = NULL;
KSI_PublicationData *pubDat = NULL;
KSI_Integer *pubTm = NULL;
res = KSI_PublicationsFile_fromFile(ctx, getFullResourcePath(TEST_PUBLICATIONS_FILE), &pubFile);
CuAssert(tc, "Unable to read publications file", res == KSI_OK && pubFile != NULL);
res = KSI_Integer_new(ctx, 1405382400, &tm);
CuAssert(tc, "Unable to create integer", res == KSI_OK && tm != NULL);
res = KSI_PublicationsFile_getLatestPublication(pubFile, tm, &pubRec);
CuAssert(tc, "Unable to find nearest publication", res == KSI_OK && pubRec != NULL);
res = KSI_PublicationRecord_getPublishedData(pubRec, &pubDat);
CuAssert(tc, "Unable to get published data", res == KSI_OK && pubDat != NULL);
res = KSI_PublicationData_getTime(pubDat, &pubTm);
CuAssert(tc, "Unable to get publication time", res == KSI_OK && pubTm != NULL);
CuAssert(tc, "Unexpected publication time (this test might fail, if you have recently updated the publications file in the tests)", KSI_Integer_equalsUInt(pubTm, 1405382400));
KSI_PublicationsFile_free(pubFile);
KSI_Integer_free(tm);
}
static void testGetNearestPublicationWithPubTime(CuTest *tc) {
int res;
KSI_PublicationsFile *pubFile = NULL;
KSI_PublicationRecord *pubRec = NULL;
KSI_Integer *tm = NULL;
KSI_PublicationData *pubDat = NULL;
KSI_Integer *pubTm = NULL;
res = KSI_PublicationsFile_fromFile(ctx, getFullResourcePath(TEST_PUBLICATIONS_FILE), &pubFile);
CuAssert(tc, "Unable to read publications file", res == KSI_OK && pubFile != NULL);
/* With time set to 0, the result should be the first publication record in the publications file. */
res = KSI_Integer_new(ctx, 1208217600, &tm);
CuAssert(tc, "Unable to create integer", res == KSI_OK && tm != NULL);
res = KSI_PublicationsFile_getNearestPublication(pubFile, tm, &pubRec);
CuAssert(tc, "Unable to find nearest publication", res == KSI_OK && pubRec != NULL);
res = KSI_PublicationRecord_getPublishedData(pubRec, &pubDat);
CuAssert(tc, "Unable to get published data", res == KSI_OK && pubDat != NULL);
res = KSI_PublicationData_getTime(pubDat, &pubTm);
CuAssert(tc, "Unable to get publication time", res == KSI_OK && pubTm != NULL);
CuAssert(tc, "Unexpected publication time", KSI_Integer_equalsUInt(pubTm, 1208217600));
KSI_PublicationRecord_free(pubRec);
KSI_PublicationsFile_free(pubFile);
KSI_Integer_free(tm);
}
/**
* KSI_PublicationData
*/
void KSI_PublicationData_free(KSI_PublicationData *t) {
if (t != NULL && --t->ref == 0) {
KSI_Integer_free(t->time);
KSI_DataHash_free(t->imprint);
KSI_TLV_free(t->baseTlv);
KSI_free(t);
}
}
int KSI_Integer_fromTlv(KSI_TLV *tlv, KSI_Integer **o) {
int res = KSI_UNKNOWN_ERROR;
KSI_CTX *ctx = NULL;
KSI_Integer *tmp = NULL;
const unsigned char *raw = NULL;
size_t len;
size_t i;
KSI_uint64_t val = 0;
ctx = KSI_TLV_getCtx(tlv);
KSI_ERR_clearErrors(ctx);
if (tlv == NULL || o == NULL) {
KSI_pushError(ctx, res = KSI_INVALID_ARGUMENT, NULL);
goto cleanup;
}
res = KSI_TLV_getRawValue(tlv, &raw, &len);
if (res != KSI_OK) {
KSI_pushError(ctx, res, NULL);
goto cleanup;
}
if (len > 8) {
KSI_pushError(ctx, res = KSI_INVALID_FORMAT, "Integer larger than 64bit");
goto cleanup;
}
/* Encode the up-to 64bit unsigned integer. */
for (i = 0; i < len; i++) {
val = val << 8 | raw[i];
}
/* Make sure the integer was coded properly. */
if (len != KSI_UINT64_MINSIZE(val)) {
KSI_pushError(ctx, res = KSI_INVALID_FORMAT, "Integer not properly formated.");
goto cleanup;
}
res = KSI_Integer_new(ctx, val, &tmp);
if (res != KSI_OK) {
KSI_pushError(ctx, res, NULL);
goto cleanup;
}
*o = tmp;
tmp = NULL;
res = KSI_OK;
cleanup:
KSI_nofree(ctx);
KSI_Integer_free(tmp);
return res;
}
static int parseStructure(KSI_TLV *tlv, int indent) {
int res;
KSI_TLV *nested = NULL;
KSI_LIST(KSI_TLV) *list = NULL;
size_t i;
KSI_Utf8String *utf = NULL;
KSI_Integer *integer = NULL;
KSI_OctetString *octet = NULL;
switch (KSI_TLV_getTag(tlv)) {
case 0x01:
/* Cast as numeric TLV */
/* Parse number */
res = KSI_Integer_fromTlv(tlv, &integer);
if (res != KSI_OK) goto cleanup;
break;
case 0x02:
/* Cast as string TLV */
res = KSI_Utf8String_fromTlv(tlv, &utf);
if (res != KSI_OK) goto cleanup;
break;
case 0x03:
case 0x1003:
res = KSI_TLV_getNestedList(tlv, &list);
if (res != KSI_OK) goto cleanup;
/* Parse nested */
for (i = 0; i < KSI_TLVList_length(list); i++) {
res = KSI_TLVList_elementAt(list, i, &nested);
if (res != KSI_OK) goto cleanup;
if (nested == NULL) break;
res = parseStructure(nested, indent);
if (res != KSI_OK) goto cleanup;
}
break;
case 0x04:
/* Cast as octet string*/
res = KSI_OctetString_fromTlv(tlv, &octet);
if (res != KSI_OK) goto cleanup;
break;
default:
res = KSI_INVALID_FORMAT;
goto cleanup;
}
cleanup:
KSI_OctetString_free(octet);
KSI_Utf8String_free(utf);
KSI_Integer_free(integer);
return res;
}
static void testFindPublicationRef(CuTest *tc) {
int res;
KSI_PublicationsFile *pubFile = NULL;
KSI_PublicationRecord *pubRec = NULL;
KSI_Integer *pubTime = NULL;
KSI_LIST(KSI_Utf8String) *pubRefList = NULL;
size_t i;
int isPubRefFound = 0;
KSI_CTX *ctx = NULL;
res = KSITest_CTX_clone(&ctx);
CuAssert(tc, "Unable to create KSI context.", res == KSI_OK && ctx != NULL);
res = KSITest_setDefaultPubfileAndVerInfo(ctx);
CuAssert(tc, "Unable to set default values to context.", res == KSI_OK);
KSI_ERR_clearErrors(ctx);
res = KSI_CTX_setPublicationUrl(ctx, getFullResourcePathUri(TEST_PUBLICATIONS_FILE));
CuAssert(tc, "Unable to set pubfile URI.", res == KSI_OK);
res = KSI_receivePublicationsFile(ctx, &pubFile);
CuAssert(tc, "Unable to get publications file.", res == KSI_OK && pubFile != NULL);
res = KSI_verifyPublicationsFile(ctx, pubFile);
CuAssert(tc, "Unable to verify publications file.", res == KSI_OK);
res = KSI_Integer_new(ctx, 1397520000, &pubTime);
CuAssert(tc, "Unable to create ksi integer object.", res == KSI_OK && pubTime != NULL);
res = KSI_PublicationsFile_getPublicationDataByTime(pubFile, pubTime, &pubRec);
CuAssert(tc, "Unable to get publication record by publication date.", res == KSI_OK && pubRec != NULL);
KSI_Integer_free(pubTime);
pubTime = NULL;
res = KSI_PublicationRecord_getPublicationRefList(pubRec, &pubRefList);
CuAssert(tc, "Unable to get publications ref list", res == KSI_OK && pubRefList != NULL);
for (i = 0; i < KSI_Utf8StringList_length(pubRefList); i++) {
KSI_Utf8String *pubRef = NULL;
res = KSI_Utf8StringList_elementAt(pubRefList, i, &pubRef);
CuAssert(tc, "Unable to get element from list", res == KSI_OK && pubRef != NULL);
if (!strcmp("Financial Times, ISSN: 0307-1766, 2014-04-17", KSI_Utf8String_cstr(pubRef))) {
isPubRefFound = 1;
}
}
CuAssert(tc, "Financial times publication not found", isPubRefFound);
KSI_PublicationsFile_free(pubFile);
KSI_CTX_free(ctx);
}
static void testFindPublicationByTime(CuTest *tc) {
int res;
KSI_PublicationsFile *pubFile = NULL;
KSI_PublicationRecord *pubRec = NULL;
KSI_PublicationData *pub = NULL;
KSI_DataHash *pubHsh = NULL;
KSI_Integer *pubTime = NULL;
KSI_DataHash *expHsh = NULL;
KSI_LIST(KSI_Utf8String) *pubRefList = NULL;
unsigned char buf[0xff];
unsigned len;
KSI_ERR_clearErrors(ctx);
res = KSI_receivePublicationsFile(ctx, &pubFile);
CuAssert(tc, "Unable to get publications file.", res == KSI_OK && pubFile != NULL);
res = KSI_Integer_new(ctx, 1397520000, &pubTime);
CuAssert(tc, "Unable to create ksi integer object.", res == KSI_OK && pubTime != NULL);
res = KSI_PublicationsFile_getPublicationDataByTime(pubFile, pubTime, &pubRec);
CuAssert(tc, "Unable to get publication record by publication date.", res == KSI_OK && pubRec != NULL);
res = KSI_PublicationRecord_getPublishedData(pubRec, &pub);
CuAssert(tc, "Unable to get published data", res == KSI_OK && pub != NULL);
res = KSI_PublicationData_getImprint(pub, &pubHsh);
CuAssert(tc, "Unable to get published hash", res == KSI_OK && pubHsh != NULL);
KSI_Integer_free(pubTime);
pubTime = NULL;
res = KSI_PublicationData_getTime(pub, &pubTime);
CuAssert(tc, "Unable to get publication time.", res == KSI_OK && pubTime != NULL);
KSITest_decodeHexStr("01a1b5238ffb05fccfa67546266a0b2d7130f6656026033b6b578c12e4fbbe231a", buf, sizeof(buf), &len);
res = KSI_DataHash_fromImprint(ctx, buf, len, &expHsh);
CuAssert(tc, "Unable to get datahash from imprint", res == KSI_OK && expHsh != NULL);
CuAssert(tc, "Publication hash mismatch.", KSI_DataHash_equals(expHsh, pubHsh));
CuAssert(tc, "Publication time mismatch", KSI_Integer_equalsUInt(pubTime, 1397520000));
res = KSI_PublicationRecord_getPublicationRefList(pubRec, &pubRefList);
CuAssert(tc, "Unable to get publications ref list", res == KSI_OK && pubRefList != NULL);
KSI_DataHash_free(expHsh);
}
static void testGetLatestPublicationOfFuture(CuTest *tc) {
int res;
KSI_PublicationsFile *pubFile = NULL;
KSI_PublicationRecord *pubRec = NULL;
KSI_Integer *tm = NULL;
res = KSI_PublicationsFile_fromFile(ctx, getFullResourcePath(TEST_PUBLICATIONS_FILE), &pubFile);
CuAssert(tc, "Unable to read publications file", res == KSI_OK && pubFile != NULL);
res = KSI_Integer_new(ctx, 2405382400, &tm);
CuAssert(tc, "Unable to create integer", res == KSI_OK && tm != NULL);
res = KSI_PublicationsFile_getLatestPublication(pubFile, tm, &pubRec);
CuAssert(tc, "This publication should not exist.", res == KSI_OK && pubRec == NULL);
KSI_PublicationsFile_free(pubFile);
KSI_Integer_free(tm);
}
static void testGetNearestPublicationOfFuture(CuTest *tc) {
int res;
KSI_PublicationsFile *pubFile = NULL;
KSI_PublicationRecord *pubRec = NULL;
KSI_Integer *tm = NULL;
res = KSI_PublicationsFile_fromFile(ctx, getFullResourcePath(TEST_PUBLICATIONS_FILE), &pubFile);
CuAssert(tc, "Unable to read publications file", res == KSI_OK && pubFile != NULL);
/* With time set to 0, the result should be the first publication record in the publications file. */
res = KSI_Integer_new(ctx, 2208217600, &tm);
CuAssert(tc, "Unable to create integer", res == KSI_OK && tm != NULL);
res = KSI_PublicationsFile_getNearestPublication(pubFile, tm, &pubRec);
CuAssert(tc, "There should not be a valid publication", res == KSI_OK && pubRec == NULL);
KSI_PublicationRecord_free(pubRec);
KSI_PublicationsFile_free(pubFile);
KSI_Integer_free(tm);
}
static void testFindPublicationRef(CuTest *tc) {
int res;
KSI_PublicationsFile *pubFile = NULL;
KSI_PublicationRecord *pubRec = NULL;
KSI_Integer *pubTime = NULL;
KSI_LIST(KSI_Utf8String) *pubRefList = NULL;
size_t i;
int isPubRefFound = 0;
KSI_ERR_clearErrors(ctx);
res = KSI_receivePublicationsFile(ctx, &pubFile);
CuAssert(tc, "Unable to get publications file.", res == KSI_OK && pubFile != NULL);
res = KSI_Integer_new(ctx, 1397520000, &pubTime);
CuAssert(tc, "Unable to create ksi integer object.", res == KSI_OK && pubTime != NULL);
res = KSI_PublicationsFile_getPublicationDataByTime(pubFile, pubTime, &pubRec);
CuAssert(tc, "Unable to get publication record by publication date.", res == KSI_OK && pubRec != NULL);
KSI_Integer_free(pubTime);
pubTime = NULL;
res = KSI_PublicationRecord_getPublicationRefList(pubRec, &pubRefList);
CuAssert(tc, "Unable to get publications ref list", res == KSI_OK && pubRefList != NULL);
for (i = 0; i < KSI_Utf8StringList_length(pubRefList); i++) {
KSI_Utf8String *pubRef = NULL;
res = KSI_Utf8StringList_elementAt(pubRefList, i, &pubRef);
CuAssert(tc, "Unable to get element from list", res == KSI_OK && pubRef != NULL);
if (!strcmp("Financial Times, ISSN: 0307-1766, 2014-04-17", KSI_Utf8String_cstr(pubRef))) {
isPubRefFound = 1;
}
}
CuAssert(tc, "Financial times publication not found", isPubRefFound);
}
int KSI_Integer_new(KSI_CTX *ctx, KSI_uint64_t value, KSI_Integer **o) {
int res = KSI_UNKNOWN_ERROR;
KSI_Integer *tmp = NULL;
static size_t poolSize = sizeof(integerPool) / sizeof(KSI_Integer);
KSI_ERR_clearErrors(ctx);
if (o == NULL) {
KSI_pushError(ctx, res = KSI_INVALID_ARGUMENT, NULL);
goto cleanup;
}
if (value < poolSize) {
tmp = integerPool + value;
} else {
tmp = KSI_new(KSI_Integer);
if (tmp == NULL) {
KSI_pushError(ctx, res = KSI_OUT_OF_MEMORY, NULL);
goto cleanup;
}
tmp->staticAlloc = 0;
tmp->value = value;
tmp->ref = 1;
}
*o = tmp;
tmp = NULL;
res = KSI_OK;
cleanup:
KSI_Integer_free(tmp);
return res;
}
int KSI_PublicationData_fromBase32(KSI_CTX *ctx, const char *publication, KSI_PublicationData **published_data) {
int res = KSI_UNKNOWN_ERROR;
unsigned char *binary_publication = NULL;
size_t binary_publication_length;
KSI_PublicationData *tmp_published_data = NULL;
unsigned i;
unsigned long tmp_ulong;
KSI_uint64_t tmp_uint64;
KSI_HashAlgorithm algo_id;
size_t hash_size;
KSI_DataHash *pubHash = NULL;
KSI_Integer *pubTime = NULL;
KSI_ERR_clearErrors(ctx);
if (ctx == NULL || publication == NULL || published_data == NULL) {
KSI_pushError(ctx, res = KSI_INVALID_ARGUMENT, NULL);
goto cleanup;
}
res = KSI_base32Decode(publication, &binary_publication, &binary_publication_length);
if (res != KSI_OK) {
KSI_pushError(ctx, res, NULL);
goto cleanup;
}
if (binary_publication_length < 13) {
res = KSI_INVALID_FORMAT;
goto cleanup;
}
tmp_ulong = 0;
for (i = 0; i < 4; ++i) {
tmp_ulong <<= 8;
tmp_ulong |= binary_publication[binary_publication_length - 4 + i];
}
if (KSI_crc32(binary_publication, binary_publication_length - 4, 0) !=
tmp_ulong) {
KSI_pushError(ctx, res = KSI_INVALID_FORMAT, "CRC mismatch.");
goto cleanup;
}
res = KSI_PublicationData_new(ctx, &tmp_published_data);
if (res != KSI_OK) {
KSI_pushError(ctx, res, NULL);
goto cleanup;
}
tmp_uint64 = 0;
for (i = 0; i < 8; ++i) {
tmp_uint64 <<= 8;
tmp_uint64 |= binary_publication[i];
}
res = KSI_Integer_new(ctx, tmp_uint64, &pubTime);
if (res != KSI_OK) {
KSI_pushError(ctx, res, NULL);
goto cleanup;
}
res = KSI_PublicationData_setTime(tmp_published_data, pubTime);
if (res != KSI_OK) {
KSI_pushError(ctx, res, NULL);
goto cleanup;
}
pubTime = NULL;
algo_id = binary_publication[8];
if (!KSI_isHashAlgorithmSupported(algo_id)) {
KSI_pushError(ctx, res = KSI_UNAVAILABLE_HASH_ALGORITHM, NULL);
goto cleanup;
}
hash_size = KSI_getHashLength(algo_id);
if (binary_publication_length != 8 + 1 + hash_size + 4) {
KSI_pushError(ctx, res = KSI_INVALID_FORMAT, "Hash algorithm length mismatch.");
goto cleanup;
}
res = KSI_DataHash_fromImprint(ctx, binary_publication + 8, hash_size + 1, &pubHash);
if (res != KSI_OK) {
KSI_pushError(ctx, res, NULL);
goto cleanup;
}
res = KSI_PublicationData_setImprint(tmp_published_data, pubHash);
if (res != KSI_OK) {
KSI_pushError(ctx, res, NULL);
goto cleanup;
}
pubHash = NULL;
*published_data = tmp_published_data;
tmp_published_data = NULL;
res = KSI_OK;
cleanup:
KSI_Integer_free(pubTime);
KSI_DataHash_free(pubHash);
KSI_free(binary_publication);
KSI_PublicationData_free(tmp_published_data);
return res;
}
static void testFindPublicationByTime(CuTest *tc) {
int res;
KSI_PublicationsFile *pubFile = NULL;
KSI_PublicationRecord *pubRec = NULL;
KSI_PublicationData *pub = NULL;
KSI_DataHash *pubHsh = NULL;
KSI_Integer *pubTime = NULL;
KSI_DataHash *expHsh = NULL;
KSI_LIST(KSI_Utf8String) *pubRefList = NULL;
unsigned char buf[0xff];
size_t len;
KSI_CTX *ctx = NULL;
res = KSITest_CTX_clone(&ctx);
CuAssert(tc, "Unable to create KSI context.", res == KSI_OK && ctx != NULL);
res = KSITest_setDefaultPubfileAndVerInfo(ctx);
CuAssert(tc, "Unable to set default values to context.", res == KSI_OK);
KSI_ERR_clearErrors(ctx);
res = KSI_CTX_setPublicationUrl(ctx, getFullResourcePathUri(TEST_PUBLICATIONS_FILE));
CuAssert(tc, "Unable to set pubfile URI.", res == KSI_OK);
res = KSI_receivePublicationsFile(ctx, &pubFile);
CuAssert(tc, "Unable to get publications file.", res == KSI_OK && pubFile != NULL);
res = KSI_verifyPublicationsFile(ctx, pubFile);
CuAssert(tc, "Unable to verify publications file.", res == KSI_OK);
res = KSI_Integer_new(ctx, 1397520000, &pubTime);
CuAssert(tc, "Unable to create ksi integer object.", res == KSI_OK && pubTime != NULL);
res = KSI_PublicationsFile_getPublicationDataByTime(pubFile, pubTime, &pubRec);
CuAssert(tc, "Unable to get publication record by publication date.", res == KSI_OK && pubRec != NULL);
res = KSI_PublicationRecord_getPublishedData(pubRec, &pub);
CuAssert(tc, "Unable to get published data", res == KSI_OK && pub != NULL);
res = KSI_PublicationData_getImprint(pub, &pubHsh);
CuAssert(tc, "Unable to get published hash", res == KSI_OK && pubHsh != NULL);
KSI_Integer_free(pubTime);
pubTime = NULL;
res = KSI_PublicationData_getTime(pub, &pubTime);
CuAssert(tc, "Unable to get publication time.", res == KSI_OK && pubTime != NULL);
KSITest_decodeHexStr("01a1b5238ffb05fccfa67546266a0b2d7130f6656026033b6b578c12e4fbbe231a", buf, sizeof(buf), &len);
res = KSI_DataHash_fromImprint(ctx, buf, len, &expHsh);
CuAssert(tc, "Unable to get datahash from imprint", res == KSI_OK && expHsh != NULL);
CuAssert(tc, "Publication hash mismatch.", KSI_DataHash_equals(expHsh, pubHsh));
CuAssert(tc, "Publication time mismatch", KSI_Integer_equalsUInt(pubTime, 1397520000));
res = KSI_PublicationRecord_getPublicationRefList(pubRec, &pubRefList);
CuAssert(tc, "Unable to get publications ref list", res == KSI_OK && pubRefList != NULL);
KSI_DataHash_free(expHsh);
KSI_PublicationsFile_free(pubFile);
KSI_CTX_free(ctx);
}
static void getExtResponse(CuTest* tc, KSI_uint64_t id, KSI_uint64_t aggrTime, KSI_uint64_t pubTime, KSI_ExtendResp **response) {
int res;
KSI_ExtendReq *request = NULL;
KSI_Integer *ID = NULL;
KSI_Integer *aggr_time = NULL;
KSI_Integer *pub_time = NULL;
KSI_RequestHandle *handle = NULL;
KSI_ExtendResp *tmp = NULL;
KSI_ERR_clearErrors(ctx);
/*Create objects*/
res = KSI_ExtendReq_new(ctx, &request);
CuAssert(tc, "Unable to create extend request.", res == KSI_OK && request != NULL);
res = KSI_Integer_new(ctx, id, &ID);
CuAssert(tc, "Unable to create request ID.", res == KSI_OK && ID != NULL);
res = KSI_Integer_new(ctx, aggrTime, &aggr_time);
CuAssert(tc, "Unable to aggr time.", res == KSI_OK && aggr_time != NULL);
res = KSI_Integer_new(ctx, pubTime, &pub_time);
CuAssert(tc, "Unable to pub time.", res == KSI_OK && pub_time != NULL);
/*Combine objects*/
res = KSI_ExtendReq_setRequestId(request, ID);
CuAssert(tc, "Unable set request ID.", res == KSI_OK);
ID = NULL;
res = KSI_ExtendReq_setAggregationTime(request, aggr_time);
CuAssert(tc, "Unable set aggre time.", res == KSI_OK);
aggr_time = NULL;
res = KSI_ExtendReq_setPublicationTime(request, pub_time);
CuAssert(tc, "Unable set pub time.", res == KSI_OK);
pub_time = NULL;
/*Send request and get response*/
res = KSI_sendExtendRequest(ctx, request, &handle);
CuAssert(tc, "Unable to send (prepare) sign request.", res == KSI_OK);
res = KSI_RequestHandle_perform(handle);
CuAssert(tc, "Unable to send perform (send) sign request.", res == KSI_OK);
res = KSI_RequestHandle_getExtendResponse(handle, &tmp);
CuAssert(tc, "Unable to get (send and get) sign request.", res == KSI_OK && tmp != NULL);
*response = tmp;
tmp = NULL;
res = KSI_OK;
KSI_ExtendReq_free(request);
KSI_Integer_free(aggr_time);
KSI_Integer_free(pub_time);
KSI_Integer_free(ID);
KSI_ExtendResp_free(tmp);
KSI_RequestHandle_free(handle);
}
static int verifyOnline(KSI_CTX *ctx, KSI_Signature *sig) {
int res = KSI_UNKNOWN_ERROR;
KSI_ExtendReq *req = NULL;
KSI_Integer *start = NULL;
KSI_Integer *end = NULL;
KSI_RequestHandle *handle = NULL;
KSI_DataHash *extHash = NULL;
KSI_DataHash *calHash = NULL;
KSI_ExtendResp *resp = NULL;
KSI_Integer *status = NULL;
KSI_CalendarHashChain *calChain = NULL;
KSI_DataHash *rootHash = NULL;
KSI_DataHash *pubHash = NULL;
KSI_VerificationStep step = KSI_VERIFY_CALCHAIN_ONLINE;
KSI_VerificationResult *info = &sig->verificationResult;
KSI_LOG_info(sig->ctx, "Verifying signature online.");
/* Extract start time */
res = KSI_CalendarHashChain_getAggregationTime(sig->calendarChain, &start);
if (res != KSI_OK) goto cleanup;
/* Clone the start time object */
KSI_Integer_ref(start);
if (sig->verificationResult.useUserPublication) {
/* Extract end time. */
res = KSI_PublicationData_getTime(sig->verificationResult.userPublication, &end);
if (res != KSI_OK) goto cleanup;
}
res = KSI_createExtendRequest(sig->ctx, start, end, &req);
if (res != KSI_OK) goto cleanup;
res = KSI_sendExtendRequest(ctx, req, &handle);
if (res != KSI_OK) goto cleanup;
res = KSI_RequestHandle_perform(handle);
if (res != KSI_OK) {
KSI_pushError(ctx,res, NULL);
goto cleanup;
}
res = KSI_RequestHandle_getExtendResponse(handle, &resp);
if (res != KSI_OK) goto cleanup;
/* Verify the correctness of the response. */
res = KSI_ExtendResp_verifyWithRequest(resp, req);
if (res != KSI_OK) {
KSI_pushError(ctx, res, NULL);
goto cleanup;
}
res = KSI_ExtendResp_getStatus(resp, &status);
if (res != KSI_OK) goto cleanup;
/* Verify status. */
if (status != NULL && !KSI_Integer_equalsUInt(status, 0)) {
KSI_Utf8String *respErr = NULL;
char errm[1024];
res = KSI_ExtendResp_getErrorMsg(resp, &respErr);
if (res != KSI_OK) goto cleanup;
KSI_snprintf(errm, sizeof(errm), "Extend failure from server: '%s'", KSI_Utf8String_cstr(respErr));
res = KSI_VerificationResult_addFailure(info, step, errm);
goto cleanup;
}
res = KSI_ExtendResp_getCalendarHashChain(resp, &calChain);
if (res != KSI_OK) goto cleanup;
res = KSI_CalendarHashChain_getInputHash(calChain, &extHash);
if (res != KSI_OK) goto cleanup;
res = KSI_CalendarHashChain_getInputHash(sig->calendarChain, &calHash);
if (res != KSI_OK) goto cleanup;
if (!KSI_DataHash_equals(extHash, calHash)) {
res = KSI_VerificationResult_addFailure(info, step, "Extender returned different input hash for calendar hash chain.");
goto cleanup;
}
if (sig->verificationResult.useUserPublication) {
res = KSI_CalendarHashChain_aggregate(calChain, &rootHash);
if (res != KSI_OK) goto cleanup;
if (!KSI_DataHash_equals(rootHash, pubHash)) {
res = KSI_VerificationResult_addFailure(info, step, "External publication imprint mismatch.");
goto cleanup;
}
}
res = KSI_VerificationResult_addSuccess(info, step, "Verified online.");
cleanup:
KSI_Integer_free(start);
KSI_ExtendReq_free(req);
KSI_RequestHandle_free(handle);
KSI_ExtendResp_free(resp);
return res;
}