| =pod |
| |
| =head1 NAME |
| |
| SSL_CTX_add_extra_chain_cert, SSL_CTX_clear_extra_chain_certs - add or clear |
| extra chain certificates |
| |
| =head1 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); |
| |
| =head1 DESCRIPTION |
| |
| SSL_CTX_add_extra_chain_cert() adds the certificate B<x509> to the extra chain |
| certificates associated with B<ctx>. Several certificates can be added one |
| after another. |
| |
| SSL_CTX_clear_extra_chain_certs() clears all extra chain certificates |
| associated with B<ctx>. |
| |
| These functions are implemented as macros. |
| |
| =head1 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 |
| L<SSL_CTX_load_verify_locations(3)|SSL_CTX_load_verify_locations(3)>. |
| |
| 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. |
| |
| =head1 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. |
| |
| =head1 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. |
| |
| =head1 SEE ALSO |
| |
| L<ssl(3)|ssl(3)>, |
| L<SSL_CTX_use_certificate(3)|SSL_CTX_use_certificate(3)>, |
| L<SSL_CTX_set_client_cert_cb(3)|SSL_CTX_set_client_cert_cb(3)>, |
| L<SSL_CTX_load_verify_locations(3)|SSL_CTX_load_verify_locations(3)> |
| |
| =cut |
