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.IX Title "SSL_CTX_SET1_VERIFY_CERT_STORE 3SSL"
.TH SSL_CTX_SET1_VERIFY_CERT_STORE 3SSL "2023-10-23" "3.0.11" "OpenSSL"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
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.nh
.SH "NAME"
SSL_CTX_set0_verify_cert_store, SSL_CTX_set1_verify_cert_store,
SSL_CTX_set0_chain_cert_store, SSL_CTX_set1_chain_cert_store,
SSL_set0_verify_cert_store, SSL_set1_verify_cert_store,
SSL_set0_chain_cert_store, SSL_set1_chain_cert_store,
SSL_CTX_get0_verify_cert_store, SSL_CTX_get0_chain_cert_store,
SSL_get0_verify_cert_store, SSL_get0_chain_cert_store \- set certificate
verification or chain store
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 1
\& #include <openssl/ssl.h>
\&
\& int SSL_CTX_set0_verify_cert_store(SSL_CTX *ctx, X509_STORE *st);
\& int SSL_CTX_set1_verify_cert_store(SSL_CTX *ctx, X509_STORE *st);
\& int SSL_CTX_set0_chain_cert_store(SSL_CTX *ctx, X509_STORE *st);
\& int SSL_CTX_set1_chain_cert_store(SSL_CTX *ctx, X509_STORE *st);
\& int SSL_CTX_get0_verify_cert_store(SSL_CTX *ctx, X509_STORE **st);
\& int SSL_CTX_get0_chain_cert_store(SSL_CTX *ctx, X509_STORE **st);
\&
\& int SSL_set0_verify_cert_store(SSL *ctx, X509_STORE *st);
\& int SSL_set1_verify_cert_store(SSL *ctx, X509_STORE *st);
\& int SSL_set0_chain_cert_store(SSL *ctx, X509_STORE *st);
\& int SSL_set1_chain_cert_store(SSL *ctx, X509_STORE *st);
\& int SSL_get0_verify_cert_store(SSL *ctx, X509_STORE **st);
\& int SSL_get0_chain_cert_store(SSL *ctx, X509_STORE **st);
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
\&\fBSSL_CTX_set0_verify_cert_store()\fR and \fBSSL_CTX_set1_verify_cert_store()\fR
set the certificate store used for certificate verification to \fBst\fR.
.PP
\&\fBSSL_CTX_set0_chain_cert_store()\fR and \fBSSL_CTX_set1_chain_cert_store()\fR
set the certificate store used for certificate chain building to \fBst\fR.
.PP
\&\fBSSL_set0_verify_cert_store()\fR, \fBSSL_set1_verify_cert_store()\fR,
\&\fBSSL_set0_chain_cert_store()\fR and \fBSSL_set1_chain_cert_store()\fR are similar
except they apply to \s-1SSL\s0 structure \fBssl\fR.
.PP
\&\fBSSL_CTX_get0_verify_chain_store()\fR, \fBSSL_get0_verify_chain_store()\fR,
\&\fBSSL_CTX_get0_chain_cert_store()\fR and \fBSSL_get0_chain_cert_store()\fR retrieve the
objects previously set via the above calls. A pointer to the object (or \s-1NULL\s0 if
no such object has been set) is written to \fB*st\fR.
.PP
All these functions are implemented as macros. Those containing a \fB1\fR
increment the reference count of the supplied store so it must
be freed at some point after the operation. Those containing a \fB0\fR do
not increment reference counts and the supplied store \fB\s-1MUST NOT\s0\fR be freed
after the operation.
.SH "NOTES"
.IX Header "NOTES"
The stores pointers associated with an \s-1SSL_CTX\s0 structure are copied to any \s-1SSL\s0
structures when \fBSSL_new()\fR is called. As a result \s-1SSL\s0 structures will not be
affected if the parent \s-1SSL_CTX\s0 store pointer is set to a new value.
.PP
The verification store is used to verify the certificate chain sent by the
peer: that is an \s-1SSL/TLS\s0 client will use the verification store to verify
the server's certificate chain and a \s-1SSL/TLS\s0 server will use it to verify
any client certificate chain.
.PP
The chain store is used to build the certificate chain.
Details of the chain building and checking process are described in
\&\*(L"Certification Path Building\*(R" in \fBopenssl\-verification\-options\fR\|(1) and
\&\*(L"Certification Path Validation\*(R" in \fBopenssl\-verification\-options\fR\|(1).
.PP
If the mode \fB\s-1SSL_MODE_NO_AUTO_CHAIN\s0\fR is set or a certificate chain is
configured already (for example using the functions such as
\&\fBSSL_CTX_add1_chain_cert\fR\|(3) or
\&\fBSSL_CTX_add_extra_chain_cert\fR\|(3)) then
automatic chain building is disabled.
.PP
If the mode \fB\s-1SSL_MODE_NO_AUTO_CHAIN\s0\fR is set then automatic chain building
is disabled.
.PP
If the chain or the verification store is not set then the store associated
with the parent \s-1SSL_CTX\s0 is used instead to retain compatibility with previous
versions of OpenSSL.
.SH "RETURN VALUES"
.IX Header "RETURN VALUES"
All these functions return 1 for success and 0 for failure.
.SH "SEE ALSO"
.IX Header "SEE ALSO"
\&\fBssl\fR\|(7),
\&\fBSSL_CTX_add_extra_chain_cert\fR\|(3)
\&\fBSSL_CTX_set0_chain\fR\|(3)
\&\fBSSL_CTX_set1_chain\fR\|(3)
\&\fBSSL_CTX_add0_chain_cert\fR\|(3)
\&\fBSSL_CTX_add1_chain_cert\fR\|(3)
\&\fBSSL_set0_chain\fR\|(3)
\&\fBSSL_set1_chain\fR\|(3)
\&\fBSSL_add0_chain_cert\fR\|(3)
\&\fBSSL_add1_chain_cert\fR\|(3)
\&\fBSSL_CTX_build_cert_chain\fR\|(3)
\&\fBSSL_build_cert_chain\fR\|(3)
.SH "HISTORY"
.IX Header "HISTORY"
These functions were added in OpenSSL 1.0.2.
.SH "COPYRIGHT"
.IX Header "COPYRIGHT"
Copyright 2013\-2022 The OpenSSL Project Authors. All Rights Reserved.
.PP
Licensed under the Apache License 2.0 (the \*(L"License\*(R").  You may not use
this file except in compliance with the License.  You can obtain a copy
in the file \s-1LICENSE\s0 in the source distribution or at
<https://www.openssl.org/source/license.html>.