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49 commits

Author SHA1 Message Date
Kurt Roeckx
6c42b39c95 dtls1_new: free s on error path 
Reviewed-by: Richard Levitte <levitte@openssl.org>
 2014-12-04 23:48:44 +01:00
Matt Caswell
71c16698fa Remove incorrect code inadvertently introduced through commit 59669b6ab. 
Reviewed-by: Tim Hudson <tjh@openssl.org>
 2014-12-04 14:17:50 +00:00
Matt Caswell
047f21593e Only use the fallback mtu after 2 unsuccessful retransmissions if it is less 
than the mtu we are already using

Reviewed-by: Tim Hudson <tjh@openssl.org>
 2014-12-03 09:24:53 +00:00
Matt Caswell
59669b6abf Remove instances in libssl of the constant 28 (for size of IPv4 header + UDP) 
and instead use the value provided by the underlying BIO. Also provide some
new DTLS_CTRLs so that the library user can set the mtu without needing to
know this constant. These new DTLS_CTRLs provide the capability to set the
link level mtu to be used (i.e. including this IP/UDP overhead). The previous
DTLS_CTRLs required the library user to subtract this overhead first.

Reviewed-by: Tim Hudson <tjh@openssl.org>
 2014-12-03 09:24:12 +00:00
Matt Caswell
001235778a The SSL_OP_NO_QUERY_MTU option is supposed to stop the mtu from being 
automatically updated, and we should use the one provided instead.
Unfortunately there are a couple of locations where this is not respected.

Reviewed-by: Tim Hudson <tjh@openssl.org>
 2014-12-03 09:23:46 +00:00
Matt Caswell
8a35dbb6d8 Fixed memory leak due to incorrect freeing of DTLS reassembly bit mask 
PR#3608

Reviewed-by: Tim Hudson <tjh@openssl.org>
 2014-11-26 10:10:21 +00:00
Bodo Moeller
cf6da05304 Support TLS_FALLBACK_SCSV. 
Reviewed-by: Stephen Henson <steve@openssl.org>
 2014-10-15 04:03:28 +02:00
Ben Laurie
8892ce7714 Constification - mostly originally from Chromium. 2014-06-29 21:05:23 +01:00
zhu qun-ying
470990fee0 Free up s->d1->buffered_app_data.q properly. 
PR#3286
 2014-06-02 23:55:55 +01:00
Andy Polyakov
972b0dc350 bss_dgram.c,d1_lib.c: make it compile with mingw. 
Submitted by: Roumen Petrov
 2014-03-06 14:04:56 +01:00
Dr. Stephen Henson
c6913eeb76 Dual DTLS version methods. 
Add new methods DTLS_*_method() which support both DTLS 1.0 and DTLS 1.2 and
pick the highest version the peer supports during negotiation.

As with SSL/TLS options can change this behaviour specifically
SSL_OP_NO_DTLSv1 and SSL_OP_NO_DTLSv1_2.
 2013-04-09 14:02:48 +01:00
Dr. Stephen Henson
04638f2fc3 Set s->d1 to NULL after freeing it. 2013-04-08 18:24:42 +01:00
Dr. Stephen Henson
4221c0dd30 Enable TLS 1.2 ciphers in DTLS 1.2. 
Port TLS 1.2 GCM code to DTLS. Enable use of TLS 1.2 only ciphers when in
DTLS 1.2 mode too.
 2013-03-28 14:14:27 +00:00
Dr. Stephen Henson
c3b344e36a Provisional DTLS 1.2 support. 
Add correct flags for DTLS 1.2, update s_server and s_client to handle
DTLS 1.2 methods.

Currently no support for version negotiation: i.e. if client/server selects
DTLS 1.2 it is that or nothing.
 2013-03-26 15:16:41 +00:00
Dr. Stephen Henson
173e72e64c DTLS revision. 
Revise DTLS code. There was a *lot* of code duplication in the
DTLS code that generates records. This makes it harder to maintain and
sometimes a TLS update is omitted by accident from the DTLS code.

Specifically almost all of the record generation functions have code like
this:

some_pointer = buffer + HANDSHAKE_HEADER_LENGTH;
... Record creation stuff ...
set_handshake_header(ssl, SSL_MT_SOMETHING, message_len);

...

write_handshake_message(ssl);

Where the "Record creation stuff" is identical between SSL/TLS and DTLS or
in some cases has very minor differences.

By adding a few fields to SSL3_ENC to include the header length, some flags
and function pointers for handshake header setting and handshake writing the
code can cope with both cases.

Note: although this passes "make test" and some simple DTLS tests there may
be some minor differences in the DTLS code that have to be accounted for.
 2013-03-18 14:36:43 +00:00
Andy Polyakov
a006fef78e Improve WINCE support. 
Submitted by: Pierre Delaage
 2013-01-19 21:23:13 +01:00
Andy Polyakov
f469880c61 d1_lib.c,bss_dgram.c: eliminate dependency on _ftime. 2012-12-16 19:02:59 +00:00
Dr. Stephen Henson
aa09c2c631 correct error codes 2012-04-18 15:36:12 +00:00
Dr. Stephen Henson
ea6e386008 PR: 2756 
Submitted by: Robin Seggelmann <seggelmann@fh-muenster.de>

Fix DTLS timeout handling.
 2012-03-09 15:52:33 +00:00
Dr. Stephen Henson
62b6948a27 PR: 2755 
Submitted by: Robin Seggelmann <seggelmann@fh-muenster.de>

Reduce MTU after failed transmissions.
 2012-03-06 13:47:43 +00:00
Dr. Stephen Henson
4817504d06 PR: 2658 
Submitted by: Robin Seggelmann <seggelmann@fh-muenster.de>
Reviewed by: steve

Support for TLS/DTLS heartbeats.
 2011-12-31 22:59:57 +00:00
Dr. Stephen Henson
7e159e0133 PR: 2535 
Submitted by: Robin Seggelmann <seggelmann@fh-muenster.de>
Reviewed by: steve

Add SCTP support for DTLS (RFC 6083).
 2011-12-25 14:45:15 +00:00
Ben Laurie
e0af04056c Add TLS exporter. 2011-11-15 23:50:52 +00:00
Dr. Stephen Henson
1d7392f219 PR: 2602 
Submitted by: Robin Seggelmann <seggelmann@fh-muenster.de>
Reviewed by: steve

Fix DTLS bug which prevents manual MTU setting
 2011-09-23 13:34:48 +00:00
Dr. Stephen Henson
861a7e5c9f PR: 2543 
Submitted by: Robin Seggelmann <seggelmann@fh-muenster.de>
Reviewed by: steve

Correctly handle errors in DTLSv1_handle_timeout()
 2011-06-22 15:30:14 +00:00
Dr. Stephen Henson
006b54a8eb Oops use up to date patch for PR#2506 2011-05-25 14:30:20 +00:00
Dr. Stephen Henson
7832d6ab1c PR: 2506 
Submitted by: Robin Seggelmann <seggelmann@fh-muenster.de>
Reviewed by: steve

Fully implement SSL_clear for DTLS.
 2011-05-25 12:28:06 +00:00
Dr. Stephen Henson
4058861f69 PR: 2462 
Submitted by: Robin Seggelmann <seggelmann@fh-muenster.de>
Reviewed by: steve

Fix DTLS Retransmission Buffer Bug
 2011-04-03 17:14:35 +00:00
Richard Levitte
ec44f0ebfa Taken from OpenSSL_1_0_0-stable: 
Include proper header files for time functions.
Submitted by Arpadffy Zoltan <Zoltan.Arpadffy@scientificgames.se>
 2010-11-22 18:25:04 +00:00
Dr. Stephen Henson
87a37cbadd PR: 2223 
Submitted By: Robin Seggelmann <seggelmann@fh-muenster.de>

Fixes for DTLS timeout bug
 2010-04-06 12:29:31 +00:00
Dr. Stephen Henson
8025e25113 PR: 2121 
Submitted by: Robin Seggelmann <seggelmann@fh-muenster.de>

Add extension support to DTLS code mainly using existing implementation for
TLS.
 2009-12-08 11:37:40 +00:00
Dr. Stephen Henson
499684404c PR: 2115 
Submitted by: Robin Seggelmann <seggelmann@fh-muenster.de>
Approved by: steve@openssl.org

Add Renegotiation extension to DTLS, fix DTLS ClientHello processing bug.
 2009-12-01 17:42:15 +00:00
Dr. Stephen Henson
1fc3ac806d PR: 2033 
Submitted by: Robin Seggelmann <seggelmann@fh-muenster.de>
Approved by: steve@openssl.org

DTLS listen support.
 2009-09-09 17:05:18 +00:00
Dr. Stephen Henson
3ed3603b60 Update default dependency flags. 
Make error name discrepancies a fatal error.
Fix error codes.
make update
 2009-08-12 17:30:37 +00:00
Dr. Stephen Henson
b972fbaa8f PR: 1997 
Submitted by: Robin Seggelmann <seggelmann@fh-muenster.de>
Approved by: steve@openssl.org

DTLS timeout handling fix.
 2009-08-12 13:19:54 +00:00
Dr. Stephen Henson
6cf41fec72 Update from 1.0.0-stable. 2009-05-31 17:13:09 +00:00
Dr. Stephen Henson
48fd490c6d Update from 1.0.0-stable. 2009-05-16 11:16:43 +00:00
Dr. Stephen Henson
9289f21b7d Update from 1.0.0 stable branch. 2009-05-16 11:15:42 +00:00
Dr. Stephen Henson
eb38b26dbc Update from 1.0.0-stable. 2009-05-15 22:58:40 +00:00
Dr. Stephen Henson
8711efb498 Updates from 1.0.0-stable branch. 2009-04-20 11:33:12 +00:00
Dr. Stephen Henson
e5fa864f62 Updates from 1.0.0-stable. 2009-04-15 15:27:03 +00:00
Ben Laurie
babb379849 Type-checked (and modern C compliant) OBJ_bsearch. 2008-10-12 14:32:47 +00:00
Andy Polyakov
5d58f1bbfe Prohibit RC4 in DTLS. 2007-10-05 21:04:56 +00:00
Dr. Stephen Henson
42182852f5 Constify version strings is ssl lib. 2007-01-21 16:06:05 +00:00
Nils Larsch
01a9792f05 remove unused internal foo_base_method functions 2005-08-08 19:04:37 +00:00
Dr. Stephen Henson
f3b656b246 Initialize SSL_METHOD structures at compile time. This removes the need 
for locking code. The CRYPTO_LOCK_SSL_METHOD lock is now no longer used.
 2005-08-05 23:56:11 +00:00
Andy Polyakov
dffdb56b7f "Liberate" dtls from BN dependency. Fix bug in replay/update. 2005-06-07 22:21:14 +00:00
Richard Levitte
188b05792f pqueue and dtls uses 64-bit values. Unfortunately, OpenSSL doesn't 
have a uniform representation for those over all architectures, so a
little bit of hackery is needed.

Contributed by nagendra modadugu <nagendra@cs.stanford.edu>
 2005-05-30 22:34:37 +00:00
Ben Laurie
36d16f8ee0 Add DTLS support. 2005-04-26 16:02:40 +00:00