diff options
Diffstat (limited to 'secure/lib/libssl/man/SSL_CTX_set_session_id_context.3')
-rw-r--r-- | secure/lib/libssl/man/SSL_CTX_set_session_id_context.3 | 198 |
1 files changed, 198 insertions, 0 deletions
diff --git a/secure/lib/libssl/man/SSL_CTX_set_session_id_context.3 b/secure/lib/libssl/man/SSL_CTX_set_session_id_context.3 new file mode 100644 index 0000000..2b23c4a --- /dev/null +++ b/secure/lib/libssl/man/SSL_CTX_set_session_id_context.3 @@ -0,0 +1,198 @@ +.\" Automatically generated by Pod::Man 2.25 (Pod::Simple 3.23) +.\" +.\" Standard preamble: +.\" ======================================================================== +.de Sp \" Vertical space (when we can't use .PP) +.if t .sp .5v +.if n .sp +.. +.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. \*(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- +.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\} +.\" +.\" Escape single quotes in literal strings from groff's Unicode transform. +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" +.\" If the F register is turned on, we'll generate index entries on stderr for +.\" titles (.TH), headers (.SH), subsections (.SS), items (.Ip), and index +.\" entries marked with X<> in POD. Of course, you'll have to process the +.\" output yourself in some meaningful fashion. +.ie \nF \{\ +. de IX +. tm Index:\\$1\t\\n%\t"\\$2" +.. +. nr % 0 +. rr F +.\} +.el \{\ +. de IX +.. +.\} +.\" +.\" Accent mark definitions (@(#)ms.acc 1.5 88/02/08 SMI; from UCB 4.2). +.\" Fear. Run. Save yourself. No user-serviceable parts. +. \" fudge factors for nroff and troff +.if n \{\ +. ds #H 0 +. ds #V .8m +. ds #F .3m +. ds #[ \f1 +. ds #] \fP +.\} +.if t \{\ +. ds #H ((1u-(\\\\n(.fu%2u))*.13m) +. ds #V .6m +. ds #F 0 +. ds #[ \& +. ds #] \& +.\} +. \" simple accents for nroff and troff +.if n \{\ +. ds ' \& +. ds ` \& +. ds ^ \& +. ds , \& +. ds ~ ~ +. ds / +.\} +.if t \{\ +. ds ' \\k:\h'-(\\n(.wu*8/10-\*(#H)'\'\h"|\\n:u" +. ds ` \\k:\h'-(\\n(.wu*8/10-\*(#H)'\`\h'|\\n:u' +. ds ^ \\k:\h'-(\\n(.wu*10/11-\*(#H)'^\h'|\\n:u' +. ds , \\k:\h'-(\\n(.wu*8/10)',\h'|\\n:u' +. ds ~ \\k:\h'-(\\n(.wu-\*(#H-.1m)'~\h'|\\n:u' +. ds / \\k:\h'-(\\n(.wu*8/10-\*(#H)'\z\(sl\h'|\\n:u' +.\} +. \" troff and (daisy-wheel) nroff accents +.ds : \\k:\h'-(\\n(.wu*8/10-\*(#H+.1m+\*(#F)'\v'-\*(#V'\z.\h'.2m+\*(#F'.\h'|\\n:u'\v'\*(#V' +.ds 8 \h'\*(#H'\(*b\h'-\*(#H' +.ds o \\k:\h'-(\\n(.wu+\w'\(de'u-\*(#H)/2u'\v'-.3n'\*(#[\z\(de\v'.3n'\h'|\\n:u'\*(#] +.ds d- \h'\*(#H'\(pd\h'-\w'~'u'\v'-.25m'\f2\(hy\fP\v'.25m'\h'-\*(#H' +.ds D- D\\k:\h'-\w'D'u'\v'-.11m'\z\(hy\v'.11m'\h'|\\n:u' +.ds th \*(#[\v'.3m'\s+1I\s-1\v'-.3m'\h'-(\w'I'u*2/3)'\s-1o\s+1\*(#] +.ds Th \*(#[\s+2I\s-2\h'-\w'I'u*3/5'\v'-.3m'o\v'.3m'\*(#] +.ds ae a\h'-(\w'a'u*4/10)'e +.ds Ae A\h'-(\w'A'u*4/10)'E +. \" corrections for vroff +.if v .ds ~ \\k:\h'-(\\n(.wu*9/10-\*(#H)'\s-2\u~\d\s+2\h'|\\n:u' +.if v .ds ^ \\k:\h'-(\\n(.wu*10/11-\*(#H)'\v'-.4m'^\v'.4m'\h'|\\n:u' +. \" for low resolution devices (crt and lpr) +.if \n(.H>23 .if \n(.V>19 \ +\{\ +. ds : e +. ds 8 ss +. ds o a +. ds d- d\h'-1'\(ga +. ds D- D\h'-1'\(hy +. ds th \o'bp' +. ds Th \o'LP' +. ds ae ae +. ds Ae AE +.\} +.rm #[ #] #H #V #F C +.\" ======================================================================== +.\" +.IX Title "SSL_CTX_set_session_id_context 3" +.TH SSL_CTX_set_session_id_context 3 "2013-02-11" "1.0.1e" "OpenSSL" +.\" For nroff, turn off justification. Always turn off hyphenation; it makes +.\" way too many mistakes in technical documents. +.if n .ad l +.nh +.SH "NAME" +SSL_CTX_set_session_id_context, SSL_set_session_id_context \- set context within which session can be reused (server side only) +.SH "SYNOPSIS" +.IX Header "SYNOPSIS" +.Vb 1 +\& #include <openssl/ssl.h> +\& +\& int SSL_CTX_set_session_id_context(SSL_CTX *ctx, const unsigned char *sid_ctx, +\& unsigned int sid_ctx_len); +\& int SSL_set_session_id_context(SSL *ssl, const unsigned char *sid_ctx, +\& unsigned int sid_ctx_len); +.Ve +.SH "DESCRIPTION" +.IX Header "DESCRIPTION" +\&\fISSL_CTX_set_session_id_context()\fR sets the context \fBsid_ctx\fR of length +\&\fBsid_ctx_len\fR within which a session can be reused for the \fBctx\fR object. +.PP +\&\fISSL_set_session_id_context()\fR sets the context \fBsid_ctx\fR of length +\&\fBsid_ctx_len\fR within which a session can be reused for the \fBssl\fR object. +.SH "NOTES" +.IX Header "NOTES" +Sessions are generated within a certain context. When exporting/importing +sessions with \fBi2d_SSL_SESSION\fR/\fBd2i_SSL_SESSION\fR it would be possible, +to re-import a session generated from another context (e.g. another +application), which might lead to malfunctions. Therefore each application +must set its own session id context \fBsid_ctx\fR which is used to distinguish +the contexts and is stored in exported sessions. The \fBsid_ctx\fR can be +any kind of binary data with a given length, it is therefore possible +to use e.g. the name of the application and/or the hostname and/or service +name ... +.PP +The session id context becomes part of the session. The session id context +is set by the \s-1SSL/TLS\s0 server. The \fISSL_CTX_set_session_id_context()\fR and +\&\fISSL_set_session_id_context()\fR functions are therefore only useful on the +server side. +.PP +OpenSSL clients will check the session id context returned by the server +when reusing a session. +.PP +The maximum length of the \fBsid_ctx\fR is limited to +\&\fB\s-1SSL_MAX_SSL_SESSION_ID_LENGTH\s0\fR. +.SH "WARNINGS" +.IX Header "WARNINGS" +If the session id context is not set on an \s-1SSL/TLS\s0 server and client +certificates are used, stored sessions +will not be reused but a fatal error will be flagged and the handshake +will fail. +.PP +If a server returns a different session id context to an OpenSSL client +when reusing a session, an error will be flagged and the handshake will +fail. OpenSSL servers will always return the correct session id context, +as an OpenSSL server checks the session id context itself before reusing +a session as described above. +.SH "RETURN VALUES" +.IX Header "RETURN VALUES" +\&\fISSL_CTX_set_session_id_context()\fR and \fISSL_set_session_id_context()\fR +return the following values: +.IP "0" 4 +The length \fBsid_ctx_len\fR of the session id context \fBsid_ctx\fR exceeded +the maximum allowed length of \fB\s-1SSL_MAX_SSL_SESSION_ID_LENGTH\s0\fR. The error +is logged to the error stack. +.IP "1" 4 +.IX Item "1" +The operation succeeded. +.SH "SEE ALSO" +.IX Header "SEE ALSO" +\&\fIssl\fR\|(3) |