openssl/doc/ssl/SSL_CTX_ctrl.pod
Bodo Möller a661b65357 New functions SSL[_CTX]_set_msg_callback().
New macros SSL[_CTX]_set_msg_callback_arg().

Message callback imlementation for SSL 3.0/TLS 1.0 (no SSL 2.0 yet).

New '-msg' option for 'openssl s_client' and 'openssl s_server'
that enable a message callback that displays all protocol messages.


In ssl3_get_client_hello (ssl/s3_srvr.c), generate a fatal alert if
client_version is smaller than the protocol version in use.
Also change ssl23_get_client_hello (ssl/s23_srvr.c) to select TLS 1.0
if the client demanded SSL 3.0 but only TLS 1.0 is enabled; then the
client will at least see that alert.

Fix SSL[_CTX]_ctrl prototype (void * instead of char * for generic
pointer).

Add/update some OpenSSL copyright notices.
2001-10-20 17:56:36 +00:00

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=pod
=head1 NAME
SSL_CTX_ctrl, SSL_CTX_callback_ctrl, SSL_ctrl, SSL_callback_ctrl - internal handling functions for SSL_CTX and SSL objects
=head1 SYNOPSIS
#include <openssl/ssl.h>
long SSL_CTX_ctrl(SSL_CTX *ctx, int cmd, long larg, void *parg);
long SSL_CTX_callback_ctrl(SSL_CTX *, int cmd, void (*fp)());
long SSL_ctrl(SSL *ssl, int cmd, long larg, void *parg);
long SSL_callback_ctrl(SSL *, int cmd, void (*fp)());
=head1 DESCRIPTION
The SSL_*_ctrl() family of functions is used to manipulate settings of
the SSL_CTX and SSL objects. Depending on the command B<cmd> the arguments
B<larg>, B<parg>, or B<fp> are evaluated. These functions should never
be called directly. All functionalities needed are made available via
other functions or macros.
=head1 RETURN VALUES
The return values of the SSL*_ctrl() functions depend on the command
supplied via the B<cmd> parameter.
=head1 SEE ALSO
L<ssl(3)|ssl(3)>
=cut