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secur32/tests: Add tests for DTLS handshake retransmission. 

Successive calls to InitializeSecurityContext without a new pInput
buffer will result in retransmission, creating a handshake packet with
an incremented sequence number value, but otherwise identical to the
last call to InitializeSecurityContext.

Signed-off-by: Connor McAdams <cmcadams@codeweavers.com>
Signed-off-by: Hans Leidekker <hans@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Connor McAdams 2022-01-27 11:11:30 +01:00 committed by Alexandre Julliard
parent 387a30a8ce
commit 26f81bb883
1 changed files with 14 additions and 0 deletions
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14
dlls/secur32/tests/schannel.c
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@ -1623,6 +1623,7 @@ static void test_dtls(void)
CtxtHandle ctx_handle, ctx_handle2;
SecBufferDesc buffers[3];
ULONG flags_req, flags_ret, attr, prev_buf_len;
char *buf, *buf2;
init_cred( &cred );
cred.grbitEnabledProtocols = SP_PROT_DTLS_CLIENT | SP_PROT_DTLS1_2_CLIENT;
@ -1663,6 +1664,9 @@ static void test_dtls(void)
ok( buffers[1].pBuffers[1].BufferType == SECBUFFER_ALERT, "Expected buffertype SECBUFFER_ALERT, got %#x\n", buffers[1].pBuffers[1].BufferType);
ok( !buffers[1].pBuffers[1].cbBuffer, "Expected SECBUFFER_ALERT buffer to be empty, got %#x\n", buffers[1].pBuffers[1].cbBuffer);
prev_buf_len = buffers[1].pBuffers[0].cbBuffer;
buf = HeapAlloc( GetProcessHeap(), 0, prev_buf_len );
memcpy( buf, buffers[1].pBuffers[0].pvBuffer, prev_buf_len );
ok( buf[10] == 0, "Expected initial packet to have sequence number value of 0, got %d\n", buf[10]);
/*
* If we don't set the SECBUFFER_ALERT cbBuffer value, we will get
@ -1709,7 +1713,17 @@ static void test_dtls(void)
ok(buffers[1].pBuffers[0].cbBuffer == prev_buf_len, "Output buffer size mismatch, expected %#x, got %#x\n",
prev_buf_len, buffers[1].pBuffers[0].cbBuffer);
/*
* The retransmission packet and the original packet should only differ in
* their sequence number value.
*/
buf2 = (char *)buffers[1].pBuffers[0].pvBuffer;
ok( buf2[10] == 1, "Expected retransmitted packet to have sequence number value of 1, got %d\n", buf2[10]);
ok( !memcmp(buf2, buf, 9), "Lower portion mismatch between retransmitted packet and original packet\n");
ok( !memcmp(buf2 + 11, buf + 11, prev_buf_len - 11), "Upper portion mismatch between retransmitted packet and original packet\n");
free_buffers( &buffers[0] );
HeapFree(GetProcessHeap(), 0, buf);
HeapFree(GetProcessHeap(), 0, buffers[1].pBuffers[1].pvBuffer);
free_buffers( &buffers[1] );
DeleteSecurityContext( &ctx_handle );