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authorJacob McDonnell <jacob@jacobmcdonnell.com>2026-04-25 19:55:43 -0400
committerJacob McDonnell <jacob@jacobmcdonnell.com>2026-04-25 19:55:43 -0400
commitac5e55f5f2af5b92794c2aded46c6bae85b5f5ed (patch)
tree9367490586c84cba28652e443e3166d66c33b0d9 /static/freebsd/man3/X509_EXTENSION_set_object.3
parent253e67c8b3a72b3a4757fdbc5845297628db0a4a (diff)
docs: Added All FreeBSD Manuals
Diffstat (limited to 'static/freebsd/man3/X509_EXTENSION_set_object.3')
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+.\" -*- mode: troff; coding: utf-8 -*-
+.\" Automatically generated by Pod::Man v6.0.2 (Pod::Simple 3.45)
+.\"
+.\" Standard preamble:
+.\" ========================================================================
+.de Sp \" Vertical space (when we can't use .PP)
+.if t .sp .5v
+.if n .sp
+..
+.de Vb \" Begin verbatim text
+.ft CW
+.nf
+.ne \\$1
+..
+.de Ve \" End verbatim text
+.ft R
+.fi
+..
+.\" \*(C` and \*(C' are quotes in nroff, nothing in troff, for use with C<>.
+.ie n \{\
+. ds C` ""
+. ds C' ""
+'br\}
+.el\{\
+. ds C`
+. ds C'
+'br\}
+.\"
+.\" Escape single quotes in literal strings from groff's Unicode transform.
+.ie \n(.g .ds Aq \(aq
+.el .ds Aq '
+.\"
+.\" If the F register is >0, we'll generate index entries on stderr for
+.\" titles (.TH), headers (.SH), subsections (.SS), items (.Ip), and index
+.\" entries marked with X<> in POD. Of course, you'll have to process the
+.\" output yourself in some meaningful fashion.
+.\"
+.\" Avoid warning from groff about undefined register 'F'.
+.de IX
+..
+.nr rF 0
+.if \n(.g .if rF .nr rF 1
+.if (\n(rF:(\n(.g==0)) \{\
+. if \nF \{\
+. de IX
+. tm Index:\\$1\t\\n%\t"\\$2"
+..
+. if !\nF==2 \{\
+. nr % 0
+. nr F 2
+. \}
+. \}
+.\}
+.rr rF
+.\"
+.\" Required to disable full justification in groff 1.23.0.
+.if n .ds AD l
+.\" ========================================================================
+.\"
+.IX Title "X509_EXTENSION_SET_OBJECT 3ossl"
+.TH X509_EXTENSION_SET_OBJECT 3ossl 2026-04-07 3.5.6 OpenSSL
+.\" For nroff, turn off justification. Always turn off hyphenation; it makes
+.\" way too many mistakes in technical documents.
+.if n .ad l
+.nh
+.SH NAME
+X509_EXTENSION_set_object, X509_EXTENSION_set_critical,
+X509_EXTENSION_set_data, X509_EXTENSION_create_by_NID,
+X509_EXTENSION_create_by_OBJ, X509_EXTENSION_get_object,
+X509_EXTENSION_get_critical, X509_EXTENSION_get_data \- extension utility
+functions
+.SH SYNOPSIS
+.IX Header "SYNOPSIS"
+.Vb 3
+\& int X509_EXTENSION_set_object(X509_EXTENSION *ex, const ASN1_OBJECT *obj);
+\& int X509_EXTENSION_set_critical(X509_EXTENSION *ex, int crit);
+\& int X509_EXTENSION_set_data(X509_EXTENSION *ex, ASN1_OCTET_STRING *data);
+\&
+\& X509_EXTENSION *X509_EXTENSION_create_by_NID(X509_EXTENSION **ex,
+\& int nid, int crit,
+\& ASN1_OCTET_STRING *data);
+\& X509_EXTENSION *X509_EXTENSION_create_by_OBJ(X509_EXTENSION **ex,
+\& const ASN1_OBJECT *obj, int crit,
+\& ASN1_OCTET_STRING *data);
+\&
+\& ASN1_OBJECT *X509_EXTENSION_get_object(X509_EXTENSION *ex);
+\& int X509_EXTENSION_get_critical(const X509_EXTENSION *ex);
+\& ASN1_OCTET_STRING *X509_EXTENSION_get_data(X509_EXTENSION *ne);
+.Ve
+.SH DESCRIPTION
+.IX Header "DESCRIPTION"
+\&\fBX509_EXTENSION_set_object()\fR sets the extension type of \fBex\fR to \fBobj\fR. The
+\&\fBobj\fR pointer is duplicated internally so \fBobj\fR should be freed up after use.
+.PP
+\&\fBX509_EXTENSION_set_critical()\fR sets the criticality of \fBex\fR to \fBcrit\fR. If
+\&\fBcrit\fR is zero the extension in non\-critical otherwise it is critical.
+.PP
+\&\fBX509_EXTENSION_set_data()\fR sets the data in extension \fBex\fR to \fBdata\fR. The
+\&\fBdata\fR pointer is duplicated internally.
+.PP
+\&\fBX509_EXTENSION_create_by_NID()\fR creates an extension of type \fBnid\fR,
+criticality \fBcrit\fR using data \fBdata\fR. The created extension is returned and
+written to \fB*ex\fR reusing or allocating a new extension if necessary so \fB*ex\fR
+should either be \fBNULL\fR or a valid \fBX509_EXTENSION\fR structure it must
+\&\fBnot\fR be an uninitialised pointer.
+.PP
+\&\fBX509_EXTENSION_create_by_OBJ()\fR is identical to \fBX509_EXTENSION_create_by_NID()\fR
+except it creates and extension using \fBobj\fR instead of a NID.
+.PP
+\&\fBX509_EXTENSION_get_object()\fR returns the extension type of \fBex\fR as an
+\&\fBASN1_OBJECT\fR pointer. The returned pointer is an internal value which must
+not be freed up.
+.PP
+\&\fBX509_EXTENSION_get_critical()\fR returns the criticality of extension \fBex\fR it
+returns \fB1\fR for critical and \fB0\fR for non\-critical.
+.PP
+\&\fBX509_EXTENSION_get_data()\fR returns the data of extension \fBex\fR. The returned
+pointer is an internal value which must not be freed up.
+.SH NOTES
+.IX Header "NOTES"
+These functions manipulate the contents of an extension directly. Most
+applications will want to parse or encode and add an extension: they should
+use the extension encode and decode functions instead such as
+\&\fBX509_add1_ext_i2d()\fR and \fBX509_get_ext_d2i()\fR.
+.PP
+The \fBdata\fR associated with an extension is the extension encoding in an
+\&\fBASN1_OCTET_STRING\fR structure.
+.SH "RETURN VALUES"
+.IX Header "RETURN VALUES"
+\&\fBX509_EXTENSION_set_object()\fR \fBX509_EXTENSION_set_critical()\fR and
+\&\fBX509_EXTENSION_set_data()\fR return \fB1\fR for success and \fB0\fR for failure.
+.PP
+\&\fBX509_EXTENSION_create_by_NID()\fR and \fBX509_EXTENSION_create_by_OBJ()\fR return
+an \fBX509_EXTENSION\fR pointer or \fBNULL\fR if an error occurs.
+.PP
+\&\fBX509_EXTENSION_get_object()\fR returns an \fBASN1_OBJECT\fR pointer.
+.PP
+\&\fBX509_EXTENSION_get_critical()\fR returns \fB0\fR for non\-critical and \fB1\fR for
+critical.
+.PP
+\&\fBX509_EXTENSION_get_data()\fR returns an \fBASN1_OCTET_STRING\fR pointer.
+.SH "SEE ALSO"
+.IX Header "SEE ALSO"
+\&\fBX509V3_get_d2i\fR\|(3)
+.SH COPYRIGHT
+.IX Header "COPYRIGHT"
+Copyright 2015\-2016 The OpenSSL Project Authors. All Rights Reserved.
+.PP
+Licensed under the Apache License 2.0 (the "License"). You may not use
+this file except in compliance with the License. You can obtain a copy
+in the file LICENSE in the source distribution or at
+<https://www.openssl.org/source/license.html>.