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author | marha <marha@users.sourceforge.net> | 2009-06-28 22:07:26 +0000 |
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committer | marha <marha@users.sourceforge.net> | 2009-06-28 22:07:26 +0000 |
commit | 3562e78743202e43aec8727005182a2558117eca (patch) | |
tree | 8f9113a77d12470c5c851a2a8e4cb02e89df7d43 /openssl/doc/ssl/SSL_clear.pod | |
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pthreads-w32-2-8-0-release.tar.gz
pixman-0.12.0.tar.gz
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evieext-1.0.2.tar.gz
fixesproto-4.0.tar.gz
recordproto-1.13.2.tar.gz
randrproto-1.2.2.tar.gz
scrnsaverproto-1.1.0.tar.gz
renderproto-0.9.3.tar.gz
xcmiscproto-1.1.2.tar.gz
fontsproto-2.0.2.tar.gz
xextproto-7.0.3.tar.gz
xproto-7.0.14.tar.gz
libXdmcp-1.0.2.tar.gz
libxkbfile-1.0.5.tar.gz
libfontenc-1.0.4.tar.gz
libXfont-1.3.4.tar.gz
libX11-1.1.5.tar.gz
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libxcb-1.1.tar.gz
xorg-server-1.5.3.tar.gz
Diffstat (limited to 'openssl/doc/ssl/SSL_clear.pod')
-rw-r--r-- | openssl/doc/ssl/SSL_clear.pod | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/openssl/doc/ssl/SSL_clear.pod b/openssl/doc/ssl/SSL_clear.pod new file mode 100644 index 000000000..8e077e31c --- /dev/null +++ b/openssl/doc/ssl/SSL_clear.pod @@ -0,0 +1,69 @@ +=pod + +=head1 NAME + +SSL_clear - reset SSL object to allow another connection + +=head1 SYNOPSIS + + #include <openssl/ssl.h> + + int SSL_clear(SSL *ssl); + +=head1 DESCRIPTION + +Reset B<ssl> to allow another connection. All settings (method, ciphers, +BIOs) are kept. + +=head1 NOTES + +SSL_clear is used to prepare an SSL object for a new connection. While all +settings are kept, a side effect is the handling of the current SSL session. +If a session is still B<open>, it is considered bad and will be removed +from the session cache, as required by RFC2246. A session is considered open, +if L<SSL_shutdown(3)|SSL_shutdown(3)> was not called for the connection +or at least L<SSL_set_shutdown(3)|SSL_set_shutdown(3)> was used to +set the SSL_SENT_SHUTDOWN state. + +If a session was closed cleanly, the session object will be kept and all +settings corresponding. This explicitly means, that e.g. the special method +used during the session will be kept for the next handshake. So if the +session was a TLSv1 session, a SSL client object will use a TLSv1 client +method for the next handshake and a SSL server object will use a TLSv1 +server method, even if SSLv23_*_methods were chosen on startup. This +will might lead to connection failures (see L<SSL_new(3)|SSL_new(3)>) +for a description of the method's properties. + +=head1 WARNINGS + +SSL_clear() resets the SSL object to allow for another connection. The +reset operation however keeps several settings of the last sessions +(some of these settings were made automatically during the last +handshake). It only makes sense when opening a new session (or reusing +an old one) with the same peer that shares these settings. +SSL_clear() is not a short form for the sequence +L<SSL_free(3)|SSL_free(3)>; L<SSL_new(3)|SSL_new(3)>; . + +=head1 RETURN VALUES + +The following return values can occur: + +=over 4 + +=item 0 + +The SSL_clear() operation could not be performed. Check the error stack to +find out the reason. + +=item 1 + +The SSL_clear() operation was successful. + +=back + +L<SSL_new(3)|SSL_new(3)>, L<SSL_free(3)|SSL_free(3)>, +L<SSL_shutdown(3)|SSL_shutdown(3)>, L<SSL_set_shutdown(3)|SSL_set_shutdown(3)>, +L<SSL_CTX_set_options(3)|SSL_CTX_set_options(3)>, L<ssl(3)|ssl(3)>, +L<SSL_CTX_set_client_cert_cb(3)|SSL_CTX_set_client_cert_cb(3)> + +=cut |