.\" $OpenBSD: SMIME_text.3,v 1.1 2021/12/14 15:22:49 schwarze Exp $
.\"
.\" Copyright (c) 2021 Ingo Schwarze <schwarze@openbsd.org>
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.Dd $Mdocdate: December 14 2021 $
.Dt SMIME_TEXT 3
.Os
.Sh NAME
.Nm SMIME_text
.Nd remove text/plain MIME headers
.Sh SYNOPSIS
.In openssl/asn1.h
.Ft int
.Fo SMIME_text
.Fa "BIO *in_bio"
.Fa "BIO *out_bio"
.Fc
.Sh DESCRIPTION
.Fn SMIME_text
reads MIME headers from
.Fa in_bio ,
checks that the content type is
.Dq text/plain ,
discards the MIME headers,
and copies the text that follows the headers from
.Fa in_bio
to
.Fa out_bio .
.Sh RETURN VALUES
.Fn SMIME_text
returns 1 on success or 0 if memory allocation, reading the input,
or parsing the MIME headers fails, if there is no
.Dq content-type
header, or if the content type is not
.Dq text/plain .
.Sh SEE ALSO
.Xr SMIME_crlf_copy 3 ,
.Xr SMIME_read_ASN1 3
.Sh HISTORY
.Fn SMIME_text
first appeared in OpenSSL 1.0.0 and has been available since
.Ox 4.9 .
.Sh CAVEATS
.Fn SMIME_text
does not support non-blocking BIOs.