In 0.9.8f, pkcs7_output_data just copies the input data to the output
bio without examining it if the PKCS7_STREAM flag is not set:
if (!(flags & PKCS7_STREAM))
{
SMIME_crlf_copy(data, out, flags);
return 1;
}
/* Partial sign operation */
/* Initialize sign operation */
p7bio = PKCS7_dataInit(p7, out);
...
Sometime between then and 0.9.8x, that was changed to check for the
SMIME_DETACHED aka PKCS7_DETACHED flag instead:
if (!(flags & SMIME_DETACHED))
{
SMIME_crlf_copy(data, out, flags);
return 1;
}
/* Let PKCS7 code prepend any needed BIOs */
p7bio = PKCS7_dataInit(p7, out);
...
Was that intentional?
Brian
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