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.IX Title "X509_STORE_CTX_GET_BY_SUBJECT 3ssl"
.TH X509_STORE_CTX_GET_BY_SUBJECT 3ssl 2024-10-23 3.4.0 OpenSSL
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
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.nh
.SH NAME
X509_STORE_CTX_get_by_subject,
X509_STORE_CTX_get_obj_by_subject
\&\- X509 and X509_CRL lookup functions
.SH SYNOPSIS
.IX Header "SYNOPSIS"
.Vb 1
\& #include <openssl/x509_vfy.h>
\&
\& int X509_STORE_CTX_get_by_subject(const X509_STORE_CTX *vs,
\&                                   X509_LOOKUP_TYPE type,
\&                                   const X509_NAME *name, X509_OBJECT *ret);
\& X509_OBJECT *X509_STORE_CTX_get_obj_by_subject(X509_STORE_CTX *vs,
\&                                                X509_LOOKUP_TYPE type,
\&                                                const X509_NAME *name);
.Ve
.SH DESCRIPTION
.IX Header "DESCRIPTION"
\&\fBX509_STORE_CTX_get_by_subject()\fR tries to find an object
of given \fItype\fR, which may be \fBX509_LU_X509\fR or \fBX509_LU_CRL\fR,
and subject \fIname\fR from the store in the provided store context \fIvs\fR.
If found and \fIret\fR is not NULL, it increments the reference count and
stores the looked up object in \fIret\fR.
.PP
\&\fBX509_STORE_CTX_get_obj_by_subject()\fR is like \fBX509_STORE_CTX_get_by_subject()\fR
but returns the found object on success, else NULL.
.SH "RETURN VALUES"
.IX Header "RETURN VALUES"
\&\fBX509_STORE_CTX_get_by_subject()\fR returns 1 if the lookup was successful, else 0.
.PP
\&\fBX509_STORE_CTX_get_obj_by_subject()\fR returns an object on success, else NULL.
.SH "SEE ALSO"
.IX Header "SEE ALSO"
\&\fBX509_LOOKUP_meth_set_get_by_subject\fR\|(3),
\&\fBX509_LOOKUP_by_subject\fR\|(3)
.SH COPYRIGHT
.IX Header "COPYRIGHT"
Copyright 2022 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>.