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SSL_CTX_add_extra_chain_cert(3OpenSSSSL_CTX_add_extra_chain_cert(3)



NAME

     SSL_CTX_add_extra_chain_cert,
     SSL_CTX_clear_extra_chain_certs - add or clear extra chain
     certificates


SYNOPSIS

      #include <openssl/ssl.h>

      long SSL_CTX_add_extra_chain_cert(SSL_CTX *ctx, X509 *x509);
      long SSL_CTX_clear_extra_chain_certs(SSL_CTX *ctx);


DESCRIPTION

     SSL_CTX_add_extra_chain_cert() adds the certificate x509 to
     the extra chain certificates associated with ctx. Several
     certificates can be added one after another.

     SSL_CTX_clear_extra_chain_certs() clears all extra chain
     certificates associated with ctx.

     These functions are implemented as macros.


NOTES

     When sending a certificate chain, extra chain certificates
     are sent in order following the end entity certificate.

     If no chain is specified, the library will try to complete
     the chain from the available CA certificates in the trusted
     CA storage, see SSL_CTX_load_verify_locations(3).

     The x509 certificate provided to
     SSL_CTX_add_extra_chain_cert() will be freed by the library
     when the SSL_CTX is destroyed. An application should not
     free the x509 object.


RESTRICTIONS

     Only one set of extra chain certificates can be specified
     per SSL_CTX structure. Different chains for different
     certificates (for example if both RSA and DSA certificates
     are specified by the same server) or different SSL
     structures with the same parent SSL_CTX cannot be specified
     using this function. For more flexibility functions such as
     SSL_add1_chain_cert() should be used instead.


RETURN VALUES

     SSL_CTX_add_extra_chain_cert() and
     SSL_CTX_clear_extra_chain_certs() return 1 on success and 0
     for failure. Check out the error stack to find out the
     reason for failure.


SEE ALSO

     ssl(3), SSL_CTX_use_certificate(3),
     SSL_CTX_set_client_cert_cb(3),

1.0.2t               Last change: 2019-09-10                    1


SSL_CTX_add_extra_chain_cert(3OpenSSSSL_CTX_add_extra_chain_cert(3)


     SSL_CTX_load_verify_locations(3) SSL_CTX_set0_chain(3)
     SSL_CTX_set1_chain(3) SSL_CTX_add0_chain_cert(3)
     SSL_CTX_add1_chain_cert(3) SSL_set0_chain(3)
     SSL_set1_chain(3) SSL_add0_chain_cert(3)
     SSL_add1_chain_cert(3) SSL_CTX_build_cert_chain(3)
     SSL_build_cert_chain(3)

1.0.2t               Last change: 2019-09-10                    2

See also SSL_CTX_add_extra_chain_cert(3)

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