crypt32: Add tests for streamed encoding of data messages.

This commit is contained in:
Juan Lang 2007-07-09 11:17:35 -07:00 committed by Alexandre Julliard
parent aa99cf8ec0
commit b18b05f53c

View File

@ -441,11 +441,113 @@ static const BYTE dataContent[] = {
0x30,0x13,0x06,0x09,0x2a,0x86,0x48,0x86,0xf7,0x0d,0x01,0x07,0x01,0xa0,0x06,
0x04,0x04,0x01,0x02,0x03,0x04 };
struct update_accum
{
DWORD cUpdates;
CRYPT_DATA_BLOB *updates;
};
static BOOL WINAPI accumulating_stream_output(const void *pvArg, BYTE *pb,
DWORD cb, BOOL final)
{
struct update_accum *accum = (struct update_accum *)pvArg;
BOOL ret = FALSE;
if (accum->cUpdates)
accum->updates = CryptMemRealloc(accum->updates,
(accum->cUpdates + 1) * sizeof(CRYPT_DATA_BLOB));
else
accum->updates = CryptMemAlloc(sizeof(CRYPT_DATA_BLOB));
if (accum->updates)
{
CRYPT_DATA_BLOB *blob = &accum->updates[accum->cUpdates];
blob->pbData = CryptMemAlloc(cb);
if (blob->pbData)
{
memcpy(blob->pbData, pb, cb);
blob->cbData = cb;
ret = TRUE;
}
accum->cUpdates++;
}
return ret;
}
/* The updates of a (bogus) definite-length encoded message */
static BYTE u1[] = { 0x30,0x0f,0x06,0x09,0x2a,0x86,0x48,0x86,0xf7,0x0d,0x01,
0x07,0x01,0xa0,0x02,0x04,0x00 };
static BYTE u2[] = { 0x01,0x02,0x03,0x04 };
static CRYPT_DATA_BLOB b1[] = {
{ sizeof(u1), u1 },
{ sizeof(u2), u2 },
{ sizeof(u2), u2 },
};
static const struct update_accum a1 = { sizeof(b1) / sizeof(b1[0]), b1 };
/* The updates of a definite-length encoded message */
static BYTE u3[] = { 0x30,0x13,0x06,0x09,0x2a,0x86,0x48,0x86,0xf7,0x0d,0x01,
0x07,0x01,0xa0,0x06,0x04,0x04 };
static CRYPT_DATA_BLOB b2[] = {
{ sizeof(u3), u3 },
{ sizeof(u2), u2 },
};
static const struct update_accum a2 = { sizeof(b2) / sizeof(b2[0]), b2 };
/* The updates of an indefinite-length encoded message */
static BYTE u4[] = { 0x30,0x80,0x06,0x09,0x2a,0x86,0x48,0x86,0xf7,0x0d,0x01,
0x07,0x01,0xa0,0x80,0x24,0x80 };
static BYTE u5[] = { 0x04,0x04 };
static BYTE u6[] = { 0x00,0x00,0x00,0x00,0x00,0x00 };
static CRYPT_DATA_BLOB b3[] = {
{ sizeof(u4), u4 },
{ sizeof(u5), u5 },
{ sizeof(u2), u2 },
{ sizeof(u5), u5 },
{ sizeof(u2), u2 },
{ sizeof(u6), u6 },
};
static const struct update_accum a3 = { sizeof(b3) / sizeof(b3[0]), b3 };
static void check_updates(LPCSTR header, const struct update_accum *expected,
const struct update_accum *got)
{
DWORD i;
ok(expected->cUpdates == got->cUpdates,
"%s: expected %d updates, got %d\n", header, expected->cUpdates,
got->cUpdates);
if (expected->cUpdates == got->cUpdates)
for (i = 0; i < min(expected->cUpdates, got->cUpdates); i++)
{
ok(expected->updates[i].cbData == got->updates[i].cbData,
"%s, update %d: expected %d bytes, got %d\n", header, i,
expected->updates[i].cbData, got->updates[i].cbData);
if (expected->updates[i].cbData && expected->updates[i].cbData ==
got->updates[i].cbData)
ok(!memcmp(expected->updates[i].pbData, got->updates[i].pbData,
got->updates[i].cbData), "%s, update %d: unexpected value\n",
header, i);
}
}
/* Frees the updates stored in accum */
static void free_updates(struct update_accum *accum)
{
DWORD i;
for (i = 0; i < accum->cUpdates; i++)
CryptMemFree(accum->updates[i].pbData);
CryptMemFree(accum->updates);
accum->updates = NULL;
accum->cUpdates = 0;
}
static void test_data_msg_encoding(void)
{
HCRYPTMSG msg;
BOOL ret;
static char oid[] = "1.2.3";
struct update_accum accum = { 0, NULL };
CMSG_STREAM_INFO streamInfo = { 0, accumulating_stream_output, &accum };
msg = CryptMsgOpenToEncode(PKCS_7_ASN_ENCODING, 0, CMSG_DATA, NULL, NULL,
NULL);
@ -488,6 +590,37 @@ static void test_data_msg_encoding(void)
check_param("data content", msg, CMSG_CONTENT_PARAM, dataContent,
sizeof(dataContent));
CryptMsgClose(msg);
/* A streaming message is DER encoded if the length is not 0xffffffff, but
* curiously, updates aren't validated to make sure they don't exceed the
* stated length. (The resulting output will of course fail to decode.)
*/
msg = CryptMsgOpenToEncode(PKCS_7_ASN_ENCODING, 0, CMSG_DATA, NULL,
NULL, &streamInfo);
CryptMsgUpdate(msg, msgData, sizeof(msgData), FALSE);
CryptMsgUpdate(msg, msgData, sizeof(msgData), TRUE);
CryptMsgClose(msg);
todo_wine
check_updates("bogus data message with definite length", &a1, &accum);
free_updates(&accum);
/* A valid definite-length encoding: */
streamInfo.cbContent = sizeof(msgData);
msg = CryptMsgOpenToEncode(PKCS_7_ASN_ENCODING, 0, CMSG_DATA, NULL,
NULL, &streamInfo);
CryptMsgUpdate(msg, msgData, sizeof(msgData), TRUE);
CryptMsgClose(msg);
todo_wine
check_updates("data message with definite length", &a2, &accum);
free_updates(&accum);
/* An indefinite-length encoding: */
streamInfo.cbContent = 0xffffffff;
msg = CryptMsgOpenToEncode(PKCS_7_ASN_ENCODING, 0, CMSG_DATA, NULL,
NULL, &streamInfo);
CryptMsgUpdate(msg, msgData, sizeof(msgData), FALSE);
CryptMsgUpdate(msg, msgData, sizeof(msgData), TRUE);
CryptMsgClose(msg);
todo_wine
check_updates("data message with indefinite length", &a3, &accum);
free_updates(&accum);
}
static void test_data_msg(void)