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openssl/doc/ssl/SSL_CTX_use_serverinfo.pod

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Cleanup of custom extension stuff. serverinfo rejects non-empty extensions. Omit extension if no relevant serverinfo data. Improve error-handling in serverinfo callback. Cosmetic cleanups. s_client documentation. s_server documentation. SSL_CTX_serverinfo documentation. Cleaup -1 and NULL callback handling for custom extensions, add tests. Cleanup ssl_rsa.c serverinfo code. Whitespace cleanup. Improve comments in ssl.h for serverinfo. Whitespace. Cosmetic cleanup. Reject non-zero-len serverinfo extensions. Whitespace. Make it build.
2013-06-14 13:36:45 +08:00
=pod
=head1 NAME
GH297: Fix NAME section of SSL_CTX_use_serverinfo.pod Signed-off-by: Rich Salz <rsalz@akamai.com> Reviewed-by: Matt Caswell <matt@openssl.org>
2015-06-17 03:57:59 +08:00
SSL_CTX_use_serverinfo, SSL_CTX_use_serverinfo_file - use serverinfo extension
Cleanup of custom extension stuff. serverinfo rejects non-empty extensions. Omit extension if no relevant serverinfo data. Improve error-handling in serverinfo callback. Cosmetic cleanups. s_client documentation. s_server documentation. SSL_CTX_serverinfo documentation. Cleaup -1 and NULL callback handling for custom extensions, add tests. Cleanup ssl_rsa.c serverinfo code. Whitespace cleanup. Improve comments in ssl.h for serverinfo. Whitespace. Cosmetic cleanup. Reject non-zero-len serverinfo extensions. Whitespace. Make it build.
2013-06-14 13:36:45 +08:00
=head1 SYNOPSIS
#include <openssl/ssl.h>
int SSL_CTX_use_serverinfo(SSL_CTX *ctx, const unsigned char *serverinfo,
size_t serverinfo_length);
int SSL_CTX_use_serverinfo_file(SSL_CTX *ctx, const char *file);
=head1 DESCRIPTION
These functions load "serverinfo" TLS ServerHello Extensions into the SSL_CTX.
A "serverinfo" extension is returned in response to an empty ClientHello
Extension.
typo
2014-01-11 07:00:50 +08:00
SSL_CTX_use_serverinfo() loads one or more serverinfo extensions from
Update docs to mention "BEGIN SERVERINFO FOR ".
2013-09-14 10:48:09 +08:00
a byte array into B<ctx>. The extensions must be concatenated into a
Cleanup of custom extension stuff. serverinfo rejects non-empty extensions. Omit extension if no relevant serverinfo data. Improve error-handling in serverinfo callback. Cosmetic cleanups. s_client documentation. s_server documentation. SSL_CTX_serverinfo documentation. Cleaup -1 and NULL callback handling for custom extensions, add tests. Cleanup ssl_rsa.c serverinfo code. Whitespace cleanup. Improve comments in ssl.h for serverinfo. Whitespace. Cosmetic cleanup. Reject non-zero-len serverinfo extensions. Whitespace. Make it build.
2013-06-14 13:36:45 +08:00
sequence of bytes. Each extension must consist of a 2-byte Extension Type,
a 2-byte length, and then length bytes of extension_data.
SSL_CTX_use_serverinfo_file() loads one or more serverinfo extensions from
Update docs to mention "BEGIN SERVERINFO FOR ".
2013-09-14 10:48:09 +08:00
B<file> into B<ctx>. The extensions must be in PEM format. Each extension
Cleanup of custom extension stuff. serverinfo rejects non-empty extensions. Omit extension if no relevant serverinfo data. Improve error-handling in serverinfo callback. Cosmetic cleanups. s_client documentation. s_server documentation. SSL_CTX_serverinfo documentation. Cleaup -1 and NULL callback handling for custom extensions, add tests. Cleanup ssl_rsa.c serverinfo code. Whitespace cleanup. Improve comments in ssl.h for serverinfo. Whitespace. Cosmetic cleanup. Reject non-zero-len serverinfo extensions. Whitespace. Make it build.
2013-06-14 13:36:45 +08:00
must consist of a 2-byte Extension Type, a 2-byte length, and then length
Update docs to mention "BEGIN SERVERINFO FOR ".
2013-09-14 10:48:09 +08:00
bytes of extension_data. Each PEM extension name must begin with the phrase
"BEGIN SERVERINFO FOR ".
Cleanup of custom extension stuff. serverinfo rejects non-empty extensions. Omit extension if no relevant serverinfo data. Improve error-handling in serverinfo callback. Cosmetic cleanups. s_client documentation. s_server documentation. SSL_CTX_serverinfo documentation. Cleaup -1 and NULL callback handling for custom extensions, add tests. Cleanup ssl_rsa.c serverinfo code. Whitespace cleanup. Improve comments in ssl.h for serverinfo. Whitespace. Cosmetic cleanup. Reject non-zero-len serverinfo extensions. Whitespace. Make it build.
2013-06-14 13:36:45 +08:00
Issue #719: If no serverinfo extension is found in some cases, do not abort the handshake, but simply omit/skip that extension. Check for already-registered serverinfo callbacks during serverinfo registration. Update SSL_CTX_use_serverinfo() documentation to mention the need to reload the same serverinfo per certificate, for servers with multiple server certificates. Reviewed-by: Richard Levitte <levitte@openssl.org> Reviewed-by: Rich Salz <rsalz@openssl.org>
2016-03-24 02:55:53 +08:00
If more than one certificate (RSA/DSA) is installed using
SSL_CTX_use_certificate(), the serverinfo extension will be loaded into the
last certificate installed. If e.g. the last item was a RSA certificate, the
loaded serverinfo extension data will be loaded for that certificate. To
use the serverinfo extension for multiple certificates,
SSL_CTX_use_serverinfo() needs to be called multiple times, once B<after>
each time a certificate is loaded.
Cleanup of custom extension stuff. serverinfo rejects non-empty extensions. Omit extension if no relevant serverinfo data. Improve error-handling in serverinfo callback. Cosmetic cleanups. s_client documentation. s_server documentation. SSL_CTX_serverinfo documentation. Cleaup -1 and NULL callback handling for custom extensions, add tests. Cleanup ssl_rsa.c serverinfo code. Whitespace cleanup. Improve comments in ssl.h for serverinfo. Whitespace. Cosmetic cleanup. Reject non-zero-len serverinfo extensions. Whitespace. Make it build.
2013-06-14 13:36:45 +08:00
=head1 NOTES
=head1 RETURN VALUES
On success, the functions return 1.
On failure, the functions return 0. Check out the error stack to find out
the reason.
=head1 SEE ALSO
=head1 HISTORY
=cut
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