Remove some SSLv2 references

[openssl.git] / doc / ssl / SSL_CONF_cmd.pod

diff --git a/doc/ssl/SSL_CONF_cmd.pod b/doc/ssl/SSL_CONF_cmd.pod
index 90a20d6c49479699e7e2e6ae27b677e9b9f7e406..bebd20485cc249aeb6d2ed9259ef1e62f546d315 100644 (file)
--- a/doc/ssl/SSL_CONF_cmd.pod
+++ b/doc/ssl/SSL_CONF_cmd.pod
@@ -101,7 +101,7 @@ are permitted.
 Attempts to use the file B<value> as the private key for the appropriate
 context. This option is only supported if certificate operations
 are permitted. Note: if no B<-key> option is set then a private key is
-not loaded: it does not currently use the B<-cert> file.
+not loaded unless the flag B<SSL_CONF_FLAG_REQUIRE_PRIVATE> is set.
 
 =item B<-dhparam>
 
@@ -192,8 +192,14 @@ are permitted.
 
 Attempts to use the file B<value> as the private key for the appropriate
 context. This option is only supported if certificate operations
-are permitted. Note: if no B<-key> option is set then a private key is
-not loaded: it does not currently use the B<Certificate> file.
+are permitted. Note: if no B<PrivateKey> option is set then a private key is
+not loaded unless the B<SSL_CONF_FLAG_REQUIRE_PRIVATE> is set.
+
+=item B<ChainCAFile>, B<ChainCAPath>, B<VerifyCAFile>, B<VerifyCAPath>
+
+These options indicate a file or directory used for building certificate
+chains or verifying certificate chains. These options are only supported
+if certificate operations are permitted.
 
 =item B<ServerInfoFile>
 
@@ -306,6 +312,27 @@ B<UnsafeLegacyServerConnect> permits the use of unsafe legacy renegotiation
 for OpenSSL clients only. Equivalent to B<SSL_OP_LEGACY_SERVER_CONNECT>.
 Set by default.
 
+=item B<VerifyMode>
+
+The B<value> argument is a comma separated list of flags to set.
+
+B<Peer> enables peer verification: for clients only.
+
+B<Request> requests but does not require a certificate from the client.
+Servers only.
+
+B<Require> requests and requires a certificate from the client: an error
+occurs if the client does not present a certificate. Servers only.
+
+B<Once> requests a certificate from a client only on the initial connection:
+not when renegotiating. Servers only.
+
+=item B<ClientCAFile>, B<ClientCAPath>
+
+A file or directory of certificates in PEM format whose names are used as the
+set of acceptable names for client CAs. Servers only. This option is only
+supported if certificate operations are permitted.
+
 =back
 
 =head1 SUPPORTED COMMAND TYPES
@@ -332,6 +359,11 @@ The value is a file name.
 
 The value is a directory name.
 
+=item B<SSL_CONF_TYPE_NONE>
+
+The value string is not used e.g. a command line option which doesn't take an
+argument.
+
 =back
 
 =head1 NOTES
@@ -339,16 +371,16 @@ The value is a directory name.
 The order of operations is significant. This can be used to set either defaults
 or values which cannot be overridden. For example if an application calls:
 
- SSL_CONF_cmd(ctx, "Protocol", "-SSLv2");
+ SSL_CONF_cmd(ctx, "Protocol", "-SSLv3");
  SSL_CONF_cmd(ctx, userparam, uservalue);
 
-it will disable SSLv2 support by default but the user can override it. If 
+it will disable SSLv3 support by default but the user can override it. If
 however the call sequence is:
 
  SSL_CONF_cmd(ctx, userparam, uservalue);
- SSL_CONF_cmd(ctx, "Protocol", "-SSLv2");
+ SSL_CONF_cmd(ctx, "Protocol", "-SSLv3");
 
-SSLv2 is B<always> disabled and attempt to override this by the user are
+SSLv3 is B<always> disabled and attempt to override this by the user are
 ignored.
 
 By checking the return code of SSL_CTX_cmd() it is possible to query if a
@@ -384,9 +416,9 @@ Set supported signature algorithms:
 
  SSL_CONF_cmd(ctx, "SignatureAlgorithms", "ECDSA+SHA256:RSA+SHA256:DSA+SHA256");
 
-Enable all protocols except SSLv3 and SSLv2:
+Enable all protocols except SSLv3:
 
- SSL_CONF_cmd(ctx, "Protocol", "ALL,-SSLv3,-SSLv2");
+ SSL_CONF_cmd(ctx, "Protocol", "ALL,-SSLv3");
 
 Only enable TLSv1.2:
 
@@ -425,11 +457,11 @@ SSL_CONF_finish() returns 1 for success and 0 for failure.
 
 =head1 SEE ALSO
 
-L<SSL_CONF_CTX_new(3)|SSL_CONF_CTX_new(3)>,
-L<SSL_CONF_CTX_set_flags(3)|SSL_CONF_CTX_set_flags(3)>,
-L<SSL_CONF_CTX_set1_prefix(3)|SSL_CONF_CTX_set1_prefix(3)>,
-L<SSL_CONF_CTX_set_ssl_ctx(3)|SSL_CONF_CTX_set_ssl_ctx(3)>,
-L<SSL_CONF_cmd_argv(3)|SSL_CONF_cmd_argv(3)>
+L<SSL_CONF_CTX_new(3)>,
+L<SSL_CONF_CTX_set_flags(3)>,
+L<SSL_CONF_CTX_set1_prefix(3)>,
+L<SSL_CONF_CTX_set_ssl_ctx(3)>,
+L<SSL_CONF_cmd_argv(3)>
 
 =head1 HISTORY
 
@@ -438,4 +470,8 @@ SSL_CONF_cmd() was first added to OpenSSL 1.0.2
 B<SSL_OP_NO_SSL2> doesn't have effect anymore since 1.1.0 but the define is kept
 for backward compatibility.
 
+B<SSL_CONF_TYPE_NONE> was first added to OpenSSL 1.1.0. In earlier versions of
+OpenSSL passing a command which didn't take an argument would return
+B<SSL_CONF_TYPE_UNKNOWN>.
+
 =cut