1.\" $OpenBSD: SMIME_text.3,v 1.1 2021/12/14 15:22:49 schwarze Exp $ 2.\" 3.\" Copyright (c) 2021 Ingo Schwarze <schwarze@openbsd.org> 4.\" 5.\" Permission to use, copy, modify, and distribute this software for any 6.\" purpose with or without fee is hereby granted, provided that the above 7.\" copyright notice and this permission notice appear in all copies. 8.\" 9.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16.\" 17.Dd $Mdocdate: December 14 2021 $ 18.Dt SMIME_TEXT 3 19.Os 20.Sh NAME 21.Nm SMIME_text 22.Nd remove text/plain MIME headers 23.Sh SYNOPSIS 24.In openssl/asn1.h 25.Ft int 26.Fo SMIME_text 27.Fa "BIO *in_bio" 28.Fa "BIO *out_bio" 29.Fc 30.Sh DESCRIPTION 31.Fn SMIME_text 32reads MIME headers from 33.Fa in_bio , 34checks that the content type is 35.Dq text/plain , 36discards the MIME headers, 37and copies the text that follows the headers from 38.Fa in_bio 39to 40.Fa out_bio . 41.Sh RETURN VALUES 42.Fn SMIME_text 43returns 1 on success or 0 if memory allocation, reading the input, 44or parsing the MIME headers fails, if there is no 45.Dq content-type 46header, or if the content type is not 47.Dq text/plain . 48.Sh SEE ALSO 49.Xr SMIME_crlf_copy 3 , 50.Xr SMIME_read_ASN1 3 51.Sh HISTORY 52.Fn SMIME_text 53first appeared in OpenSSL 1.0.0 and has been available since 54.Ox 4.9 . 55.Sh CAVEATS 56.Fn SMIME_text 57does not support non-blocking BIOs. 58