From 2fd7fb99dba9f56fbcb7ee1686bef30c7aef4754 Mon Sep 17 00:00:00 2001 From: "Dr. Stephen Henson" <steve@openssl.org> Date: Wed, 17 Jun 2015 01:13:40 +0100 Subject: [PATCH] Update docs. Clarify and update documention for extra chain certificates. PR#3878. Reviewed-by: Rich Salz <rsalz@openssl.org> --- doc/ssl/SSL_CTX_add_extra_chain_cert.pod | 35 ++++++++++++++++-------- 1 file changed, 23 insertions(+), 12 deletions(-) diff --git a/doc/ssl/SSL_CTX_add_extra_chain_cert.pod b/doc/ssl/SSL_CTX_add_extra_chain_cert.pod index 8e832a57ea..04300fbe6f 100644 --- a/doc/ssl/SSL_CTX_add_extra_chain_cert.pod +++ b/doc/ssl/SSL_CTX_add_extra_chain_cert.pod @@ -2,29 +2,39 @@ =head1 NAME -SSL_CTX_add_extra_chain_cert - add certificate to chain +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_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 certificate -chain presented together with the certificate. Several certificates -can be added one after the other. +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 constructing the certificate chain, the chain will be formed from -these certificates explicitly specified. If no chain is specified, -the library will try to complete the chain from the available CA -certificates in the trusted CA storage, see +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. +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 @@ -37,8 +47,9 @@ be used instead. =head1 RETURN VALUES -SSL_CTX_add_extra_chain_cert() returns 1 on success. Check out the -error stack to find out the reason for failure otherwise. +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 -- 2.25.1