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Expand and fix resend infrastructure

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Manuel Pégourié-Gonnard
2014-09-19 15:09:21 +02:00
committed by Paul Bakker
parent ffa67be698
commit 5d8ba53ace
4 changed files with 145 additions and 14 deletions
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14
include/polarssl/ssl.h
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@ -644,6 +644,12 @@ struct _ssl_handshake_params
unsigned char retransmit_state; /*!< Retransmission state */
ssl_flight_item *flight; /*!< Current outgoing flight */
ssl_flight_item *cur_msg; /*!< Current message in flight */
unsigned int in_flight_start_seq; /*!< Minimum message sequence in the
flight being received */
ssl_transform *alt_transform_out; /*!< Alternative transform for
resending messages */
unsigned char alt_out_ctr[8]; /*!< Alternative record epoch/counter
for resending messages */
#endif
/*
@ -719,7 +725,8 @@ struct _ssl_key_cert
struct _ssl_flight_item
{
unsigned char *p; /*!< message, including handshake headers */
size_t len; /*!< length of hs_msg */
size_t len; /*!< length of p */
unsigned char type; /*!< type of the message: handshake or CCS */
ssl_flight_item *next; /*!< next handshake message(s) */
};
#endif /* POLARSSL_SSL_PROTO_DTLS */
@ -2031,6 +2038,11 @@ static inline size_t ssl_hs_hdr_len( const ssl_context *ssl )
return( 4 );
}
#if defined(POLARSSL_SSL_PROTO_DTLS)
void ssl_recv_flight_completed( ssl_context *ssl );
int ssl_resend( ssl_context *ssl );
#endif
/* constant-time buffer comparison */
static inline int safer_memcmp( const void *a, const void *b, size_t n )
{