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Diffstat (limited to 'secure/lib/libcrypto/man/SSL_get_session.3')
| -rw-r--r-- | secure/lib/libcrypto/man/SSL_get_session.3 | 202 |
1 files changed, 202 insertions, 0 deletions
diff --git a/secure/lib/libcrypto/man/SSL_get_session.3 b/secure/lib/libcrypto/man/SSL_get_session.3 new file mode 100644 index 0000000..109a7fc --- /dev/null +++ b/secure/lib/libcrypto/man/SSL_get_session.3 @@ -0,0 +1,202 @@ +.\" Automatically generated by Pod::Man version 1.15 +.\" Thu May 9 13:21:19 2002 +.\" +.\" Standard preamble: +.\" ====================================================================== +.de Sh \" Subsection heading +.br +.if t .Sp +.ne 5 +.PP +\fB\\$1\fR +.PP +.. +.de Sp \" Vertical space (when we can't use .PP) +.if t .sp .5v +.if n .sp +.. +.de Ip \" List item +.br +.ie \\n(.$>=3 .ne \\$3 +.el .ne 3 +.IP "\\$1" \\$2 +.. +.de Vb \" Begin verbatim text +.ft CW +.nf +.ne \\$1 +.. +.de Ve \" End verbatim text +.ft R + +.fi +.. +.\" Set up some character translations and predefined strings. \*(-- will +.\" give an unbreakable dash, \*(PI will give pi, \*(L" will give a left +.\" double quote, and \*(R" will give a right double quote. | will give a +.\" real vertical bar. \*(C+ will give a nicer C++. Capital omega is used +.\" to do unbreakable dashes and therefore won't be available. \*(C` and +.\" \*(C' expand to `' in nroff, nothing in troff, for use with C<> +.tr \(*W-|\(bv\*(Tr +.ds C+ C\v'-.1v'\h'-1p'\s-2+\h'-1p'+\s0\v'.1v'\h'-1p' +.ie n \{\ +. ds -- \(*W- +. ds PI pi +. if (\n(.H=4u)&(1m=24u) .ds -- \(*W\h'-12u'\(*W\h'-12u'-\" diablo 10 pitch +. if (\n(.H=4u)&(1m=20u) .ds -- \(*W\h'-12u'\(*W\h'-8u'-\" diablo 12 pitch +. ds L" "" +. ds R" "" +. ds C` "" +. ds C' "" +'br\} +.el\{\ +. ds -- \|\(em\| +. ds PI \(*p +. ds L" `` +. ds R" '' +'br\} +.\" +.\" If the F register is turned on, we'll generate index entries on stderr +.\" for titles (.TH), headers (.SH), subsections (.Sh), items (.Ip), and +.\" index entries marked with X<> in POD. Of course, you'll have to process +.\" the output yourself in some meaningful fashion. +.if \nF \{\ +. de IX +. tm Index:\\$1\t\\n%\t"\\$2" +.. +. nr % 0 +. rr F +.\} +.\" +.\" For nroff, turn off justification. Always turn off hyphenation; it +.\" makes way too many mistakes in technical documents. +.hy 0 +.if n .na +.\" +.\" Accent mark definitions (@(#)ms.acc 1.5 88/02/08 SMI; from UCB 4.2). +.\" Fear. Run. Save yourself. 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The reference count of the \fB\s-1SSL_SESSION\s0\fR is not incremented, so +that the pointer can become invalid by other operations. +.PP +\&\fISSL_get0_session()\fR is the same as \fISSL_get_session()\fR. +.PP +\&\fISSL_get1_session()\fR is the same as \fISSL_get_session()\fR, but the reference +count of the \fB\s-1SSL_SESSION\s0\fR is incremented by one. +.SH "NOTES" +.IX Header "NOTES" +The ssl session contains all information required to re-establish the +connection without a new handshake. +.PP +\&\fISSL_get0_session()\fR returns a pointer to the actual session. As the +reference counter is not incremented, the pointer is only valid while +the connection is in use. If SSL_clear(3) or +SSL_free(3) is called, the session may be removed completely +(if considered bad), and the pointer obtained will become invalid. Even +if the session is valid, it can be removed at any time due to timeout +during SSL_CTX_flush_sessions(3). +.PP +If the data is to be kept, \fISSL_get1_session()\fR will increment the reference +count, so that the session will not be implicitly removed by other operations +but stays in memory. In order to remove the session +SSL_SESSION_free(3) must be explicitly called once +to decrement the reference count again. +.PP +\&\s-1SSL_SESSION\s0 objects keep internal link information about the session cache +list, when being inserted into one \s-1SSL_CTX\s0 object's session cache. +One \s-1SSL_SESSION\s0 object, regardless of its reference count, must therefore +only be used with one \s-1SSL_CTX\s0 object (and the \s-1SSL\s0 objects created +from this \s-1SSL_CTX\s0 object). +.SH "RETURN VALUES" +.IX Header "RETURN VALUES" +The following return values can occur: +.Ip "\s-1NULL\s0" 4 +.IX Item "NULL" +There is no session available in \fBssl\fR. +.Ip "Pointer to an \s-1SSL\s0" 4 +.IX Item "Pointer to an SSL" +The return value points to the data of an \s-1SSL\s0 session. +.SH "SEE ALSO" +.IX Header "SEE ALSO" +ssl(3), SSL_free(3), +SSL_clear(3), +SSL_SESSION_free(3) |
