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-rw-r--r--crypto/openssl/doc/ssl/SSL_CTX_set_client_CA_list.pod24
1 files changed, 14 insertions, 10 deletions
diff --git a/crypto/openssl/doc/ssl/SSL_CTX_set_client_CA_list.pod b/crypto/openssl/doc/ssl/SSL_CTX_set_client_CA_list.pod
index 81e3127..632b556 100644
--- a/crypto/openssl/doc/ssl/SSL_CTX_set_client_CA_list.pod
+++ b/crypto/openssl/doc/ssl/SSL_CTX_set_client_CA_list.pod
@@ -36,25 +36,23 @@ the chosen B<ssl>, overriding the setting valid for B<ssl>'s SSL_CTX object.
When a TLS/SSL server requests a client certificate (see
B<SSL_CTX_set_verify_options()>), it sends a list of CAs, for which
-it will accept certificates, to the client. If no special list is provided,
-the CAs available using the B<CAfile> option in
-L<SSL_CTX_load_verify_locations(3)|SSL_CTX_load_verify_locations(3)>
-are sent.
+it will accept certificates, to the client.
-This list can be explicitly set using the SSL_CTX_set_client_CA_list() for
+This list must explicitly be set using SSL_CTX_set_client_CA_list() for
B<ctx> and SSL_set_client_CA_list() for the specific B<ssl>. The list
specified overrides the previous setting. The CAs listed do not become
trusted (B<list> only contains the names, not the complete certificates); use
L<SSL_CTX_load_verify_locations(3)|SSL_CTX_load_verify_locations(3)>
to additionally load them for verification.
+If the list of acceptable CAs is compiled in a file, the
+L<SSL_load_client_CA_file(3)|SSL_load_client_CA_file(3)>
+function can be used to help importing the necessary data.
+
SSL_CTX_add_client_CA() and SSL_add_client_CA() can be used to add additional
items the list of client CAs. If no list was specified before using
SSL_CTX_set_client_CA_list() or SSL_set_client_CA_list(), a new client
-CA list for B<ctx> or B<ssl> (as appropriate) is opened. The CAs implicitly
-specified using
-L<SSL_CTX_load_verify_locations(3)|SSL_CTX_load_verify_locations(3)>
-are no longer used automatically.
+CA list for B<ctx> or B<ssl> (as appropriate) is opened.
These functions are only useful for TLS/SSL servers.
@@ -80,11 +78,17 @@ to find out the reason.
=back
+=head1 EXAMPLES
+
+Scan all certificates in B<CAfile> and list them as acceptable CAs:
+
+ SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile));
+
=head1 SEE ALSO
L<ssl(3)|ssl(3)>,
L<SSL_get_client_CA_list(3)|SSL_get_client_CA_list(3)>,
-L<SSL_load_client_CA_file(3)|SSL_load_client_CA_file(3)>
+L<SSL_load_client_CA_file(3)|SSL_load_client_CA_file(3)>,
L<SSL_CTX_load_verify_locations(3)|SSL_CTX_load_verify_locations(3)>
=cut
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