You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
77 lines
1.5 KiB
77 lines
1.5 KiB
//=============================================================================
|
|
//
|
|
// MODULE: ASN1GString.cxx
|
|
//
|
|
// Description:
|
|
//
|
|
// Implementation of ASN.1 general string parsing logic
|
|
//
|
|
// Modification History
|
|
//
|
|
// Mark Pustilnik Date: 06/09/02 - created
|
|
//
|
|
//=============================================================================
|
|
|
|
#include "ASN1Parser.hxx"
|
|
|
|
//
|
|
// Retrieve the value of an ASN.1-encoded general string
|
|
//
|
|
|
|
DWORD
|
|
ASN1ParserGeneralString::GetValue(
|
|
IN OUT ASN1FRAME * Frame,
|
|
OUT ASN1VALUE * Value
|
|
)
|
|
{
|
|
DWORD dw;
|
|
ASN1FRAME FrameIn = *Frame;
|
|
DWORD DLength = DataLength( Frame );
|
|
ULPBYTE Address = Frame->Address;
|
|
|
|
if ( *Frame->Address != BuildDescriptor(
|
|
ctUniversal,
|
|
pcPrimitive,
|
|
(BYTE)utGeneralString ))
|
|
{
|
|
dw = ERROR_INVALID_USER_BUFFER;
|
|
goto Cleanup;
|
|
}
|
|
|
|
//
|
|
// Skip over the the descriptor
|
|
//
|
|
|
|
Address++;
|
|
|
|
//
|
|
// Skip over the length header
|
|
//
|
|
|
|
Address += HeaderLength( Address );
|
|
|
|
Value->Address = Address;
|
|
Value->Length = DLength;
|
|
Value->ut = utGeneralString;
|
|
Value->string.s = Address;
|
|
Value->string.l = DLength;
|
|
|
|
//
|
|
// Move the frame beyond the octet string
|
|
//
|
|
|
|
Address += DLength;
|
|
Frame->Address = Address;
|
|
|
|
dw = ERROR_SUCCESS;
|
|
|
|
Cleanup:
|
|
|
|
if ( dw != ERROR_SUCCESS )
|
|
{
|
|
*Frame = FrameIn;
|
|
}
|
|
|
|
return dw;
|
|
}
|
|
|