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Fix ossl_statem_client_max_message_size() for DTLS1_BAD_VER

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The Change Cipher Spec message in this ancient pre-standard version of DTLS
that Cisco are unfortunately still using in their products, is 3 bytes.

Allow it.

Reviewed-by: Rich Salz <rsalz@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
This commit is contained in:
David Woodhouse 2016-07-08 20:47:42 +01:00 committed by Matt Caswell
parent c8a18468ca
commit e6027420b7
1 changed files with 2 additions and 0 deletions
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2
ssl/statem/statem_clnt.c
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@ -589,6 +589,8 @@ unsigned long ossl_statem_client_max_message_size(SSL *s)
return SERVER_HELLO_DONE_MAX_LENGTH;
case TLS_ST_CR_CHANGE:
if (s->version == DTLS1_BAD_VER)
return 3;
return CCS_MAX_LENGTH;
case TLS_ST_CR_SESSION_TICKET: