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0535c2d67c
Document that the certificate passed to SSL_CTX_add_extra_chain_cert() should not be freed by the application. PR#3409
61 lines
2.1 KiB
Plaintext
61 lines
2.1 KiB
Plaintext
=pod
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=head1 NAME
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SSL_CTX_add_extra_chain_cert - add certificate to chain
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=head1 SYNOPSIS
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#include <openssl/ssl.h>
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long SSL_CTX_add_extra_chain_cert(SSL_CTX ctx, X509 *x509)
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=head1 DESCRIPTION
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SSL_CTX_add_extra_chain_cert() adds the certificate B<x509> to the certificate
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chain presented together with the certificate. Several certificates
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can be added one after the other.
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=head1 NOTES
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When constructing the certificate chain, the chain will be formed from
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these certificates explicitly specified. If no chain is specified,
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the library will try to complete the chain from the available CA
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certificates in the trusted CA storage, see
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L<SSL_CTX_load_verify_locations(3)|SSL_CTX_load_verify_locations(3)>.
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The B<x509> certificate provided to SSL_CTX_add_extra_chain_cert() will be freed by the library when the B<SSL_CTX> is destroyed. An application B<should not> free the B<x509> object.
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=head1 RESTRICTIONS
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Only one set of extra chain certificates can be specified per SSL_CTX
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structure. Different chains for different certificates (for example if both
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RSA and DSA certificates are specified by the same server) or different SSL
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structures with the same parent SSL_CTX cannot be specified using this
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function. For more flexibility functions such as SSL_add1_chain_cert() should
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be used instead.
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=head1 RETURN VALUES
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SSL_CTX_add_extra_chain_cert() returns 1 on success. Check out the
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error stack to find out the reason for failure otherwise.
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=head1 SEE ALSO
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L<ssl(3)|ssl(3)>,
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L<SSL_CTX_use_certificate(3)|SSL_CTX_use_certificate(3)>,
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L<SSL_CTX_set_client_cert_cb(3)|SSL_CTX_set_client_cert_cb(3)>,
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L<SSL_CTX_load_verify_locations(3)|SSL_CTX_load_verify_locations(3)>
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L<SSL_CTX_set0_chain(3)|SSL_CTX_set0_chain(3)>
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L<SSL_CTX_set1_chain(3)|SSL_CTX_set1_chain(3)>
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L<SSL_CTX_add0_chain_cert(3)|SSL_CTX_add0_chain_cert(3)>
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L<SSL_CTX_add1_chain_cert(3)|SSL_CTX_add1_chain_cert(3)>
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L<SSL_set0_chain(3)|SSL_set0_chain(3)>
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L<SSL_set1_chain(3)|SSL_set1_chain(3)>
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L<SSL_add0_chain_cert(3)|SSL_add0_chain_cert(3)>
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L<SSL_add1_chain_cert(3)|SSL_add1_chain_cert(3)>
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L<SSL_CTX_build_cert_chain(3)|SSL_CTX_build_cert_chain(3)>
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L<SSL_build_cert_chain(3)|SSL_build_cert_chain(3)>
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=cut
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