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secur32: Fill header and trailer buffers in schan_DecryptMessage.

This commit is contained in:
Mikko Rasa 2010-09-15 20:30:08 +03:00 committed by Alexandre Julliard
parent b424b3431e
commit 149ffe130f
1 changed files with 25 additions and 2 deletions
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27
dlls/secur32/schannel.c
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@ -1187,6 +1187,19 @@ static int schan_validate_decrypt_buffer_desc(PSecBufferDesc message)
return data_idx;
}
static void schan_decrypt_fill_buffer(PSecBufferDesc message, ULONG buffer_type, void *data, ULONG size)
{
int idx;
SecBuffer *buffer;
idx = schan_find_sec_buffer_idx(message, 0, SECBUFFER_EMPTY);
buffer = &message->pBuffers[idx];
buffer->BufferType = buffer_type;
buffer->pvBuffer = data;
buffer->cbBuffer = size;
}
static SECURITY_STATUS SEC_ENTRY schan_DecryptMessage(PCtxtHandle context_handle,
PSecBufferDesc message, ULONG message_seq_no, PULONG quality)
{
@ -1198,6 +1211,7 @@ static SECURITY_STATUS SEC_ENTRY schan_DecryptMessage(PCtxtHandle context_handle
ssize_t received = 0;
ssize_t ret;
int idx;
char *buf_ptr;
TRACE("context_handle %p, message %p, message_seq_no %d, quality %p\n",
context_handle, message, message_seq_no, quality);
@ -1252,10 +1266,19 @@ static SECURITY_STATUS SEC_ENTRY schan_DecryptMessage(PCtxtHandle context_handle
TRACE("Received %zd bytes\n", received);
memcpy(buffer->pvBuffer, data, received);
buffer->cbBuffer = received;
buf_ptr = buffer->pvBuffer;
memcpy(buf_ptr + 5, data, received);
HeapFree(GetProcessHeap(), 0, data);
schan_decrypt_fill_buffer(message, SECBUFFER_DATA,
buf_ptr + 5, received);
schan_decrypt_fill_buffer(message, SECBUFFER_STREAM_TRAILER,
buf_ptr + 5 + received, buffer->cbBuffer - 5 - received);
buffer->BufferType = SECBUFFER_STREAM_HEADER;
buffer->cbBuffer = 5;
return SEC_E_OK;
}