C++ (Cpp) KSI_TLV_getCtx Examples

Example #1

File: types_base.c Project: GuardTime/libksi

int KSI_Utf8StringNZ_fromTlv(KSI_TLV *tlv, KSI_Utf8String **o) {
	int res = KSI_UNKNOWN_ERROR;
	KSI_CTX *ctx = NULL;
	KSI_Utf8String *tmp = NULL;

	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_Utf8String_fromTlv(tlv, &tmp);
	if (res != KSI_OK) {
		KSI_pushError(ctx, res, NULL);
		goto cleanup;
	}

	if (tmp->len == 0 || (tmp->len == 1 && tmp->value[0] == 0)) {
		KSI_pushError(ctx, res = KSI_INVALID_FORMAT, "Empty string value not allowed.");
		goto cleanup;
	}

	*o = tmp;
	tmp = NULL;

	res = KSI_OK;

cleanup:

	KSI_nofree(ctx);
	KSI_Utf8String_free(tmp);

	return res;
}

Example #2

File: types_base.c Project: GuardTime/libksi

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;
}

Example #3

File: publicationsfile.c Project: GuardTime/libksi

static int publicationsFileTLV_getSignatureTLVLength(KSI_TLV *pubFileTlv, size_t *len) {
	int res;
	KSI_TLVList *list = NULL;
	KSI_TLV *tlvSig = NULL;
	const unsigned char *raw = NULL;
	size_t raw_len;
	size_t sig_len;
	KSI_CTX *ctx = NULL;

	if (pubFileTlv == NULL && len == NULL) {
		KSI_pushError(ctx, res = KSI_INVALID_ARGUMENT, NULL);
		goto cleanup;
	}

	ctx = KSI_TLV_getCtx(pubFileTlv);
	KSI_ERR_clearErrors(ctx);

	res = KSI_TLV_getNestedList(pubFileTlv, &list);
	if (res != KSI_OK) {
		KSI_pushError(ctx, res, NULL);
		goto cleanup;
	}

	res = KSI_TLVList_elementAt(list, KSI_TLVList_length(list) - 1, &tlvSig);
	if (res != KSI_OK) {
		KSI_pushError(ctx, res, NULL);
		goto cleanup;
	}

	if (KSI_TLV_getTag(tlvSig) != 0x704) {
		KSI_pushError(ctx, res, "Last TLV in publications file must be signature (0x704)");
		goto cleanup;
	}

	res = KSI_TLV_getRawValue(tlvSig, &raw, &raw_len);
	if (res != KSI_OK) {
		KSI_pushError(ctx, res, NULL);
		goto cleanup;
	}

	sig_len = raw_len;
	sig_len += 4;
	*len = sig_len;

cleanup:

	return res;
}

Example #4

File: pkitruststore_cryptoapi.c Project: khushil/libksi

int KSI_PKISignature_fromTlv(KSI_TLV *tlv, KSI_PKISignature **sig) {
	KSI_CTX *ctx = NULL;
	int res = KSI_UNKNOWN_ERROR;

	KSI_PKISignature *tmp = NULL;
	const unsigned char *raw = NULL;
	unsigned int raw_len = 0;

	if (tlv == NULL || sig == NULL){
		res = KSI_INVALID_ARGUMENT;
		goto cleanup;
	}
	ctx = KSI_TLV_getCtx(tlv);
	KSI_ERR_clearErrors(ctx);


	res = KSI_TLV_getRawValue(tlv, &raw, &raw_len);
	if (res != KSI_OK){
		KSI_pushError(ctx, res, NULL);
		goto cleanup;
	}

	res = KSI_PKISignature_new(ctx, raw, raw_len, &tmp);
	if (res != KSI_OK){
		KSI_pushError(ctx, res, NULL);
		goto cleanup;
	}

	*sig = tmp;
	tmp = NULL;

	res = KSI_OK;


cleanup:

	KSI_nofree(raw);

	KSI_PKISignature_free(tmp);

	return res;
}

Example #5

File: types_base.c Project: GuardTime/libksi

int KSI_Utf8String_fromTlv(KSI_TLV *tlv, KSI_Utf8String **o) {
	int res = KSI_UNKNOWN_ERROR;
	KSI_CTX *ctx = NULL;
	const char *cstr = NULL;
	KSI_Utf8String *tmp = NULL;
	size_t len;

	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, (const unsigned char **)&cstr, &len);
	if (res != KSI_OK) {
		KSI_pushError(ctx, res, NULL);
		goto cleanup;
	}

	res = KSI_Utf8String_new(ctx, cstr, len, &tmp);
	if (res != KSI_OK) {
		KSI_pushError(ctx, res, NULL);
		goto cleanup;
	}

	*o = tmp;
	tmp = NULL;

	res = KSI_OK;

cleanup:

	KSI_nofree(ctx);
	KSI_nofree(cstr);
	KSI_Utf8String_free(tmp);

	return res;
}

Example #6

File: hash.c Project: GuardTime/libksi

int KSI_DataHash_fromTlv(KSI_TLV *tlv, KSI_DataHash **hsh) {
	int res = KSI_UNKNOWN_ERROR;
	KSI_CTX *ctx = NULL;
	const unsigned char *raw = NULL;
	size_t raw_len = 0;
	KSI_DataHash *tmp = NULL;

	ctx = KSI_TLV_getCtx(tlv);
	KSI_ERR_clearErrors(ctx);
	if (tlv == NULL || hsh == NULL) {
		res = KSI_INVALID_ARGUMENT;
		goto cleanup;
	}

	res = KSI_TLV_getRawValue(tlv, &raw, &raw_len);
	if (res != KSI_OK) {
		KSI_pushError(ctx, res, NULL);
		goto cleanup;
	}

	res = KSI_DataHash_fromImprint(ctx, raw, raw_len, &tmp);
	if (res != KSI_OK) {
		KSI_pushError(ctx, res, NULL);
		goto cleanup;
	}

	*hsh = tmp;
	tmp = NULL;

	res = KSI_OK;

cleanup:

	KSI_nofree(ctx);
	KSI_nofree(raw);
	KSI_DataHash_free(tmp);

	return res;
}