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Add cmd line option to ssl_server2 for datagram packing

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This commit adds a new command line option `dgram_packing`
to the example server application programs/ssl/ssl_server2
allowing to allow/forbid the use of datagram packing.
This commit is contained in:
Hanno Becker 2018-08-14 13:28:56 +01:00
parent 04da189225
commit e7675d0d3d
1 changed files with 20 additions and 1 deletions
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21
programs/ssl/ssl_server2.c
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@ -152,6 +152,7 @@ int main( void )
#define DFL_HS_TO_MAX 0
#define DFL_DTLS_MTU -1
#define DFL_BADMAC_LIMIT -1
#define DFL_DGRAM_PACKING 1
#define DFL_EXTENDED_MS -1
#define DFL_ETM -1
@ -299,7 +300,10 @@ int main( void )
" dtls=%%d default: 0 (TLS)\n" \
" hs_timeout=%%d-%%d default: (library default: 1000-60000)\n" \
" range of DTLS handshake timeouts in millisecs\n" \
" mtu=%%d default: (library default: unlimited)\n"
" mtu=%%d default: (library default: unlimited)\n" \
" dgram_packing=%%d default: 1 (allowed)\n" \
" allow or forbid packing of multiple\n" \
" records within a single datgram.\n"
#else
#define USAGE_DTLS ""
#endif
@ -473,6 +477,7 @@ struct options
uint32_t hs_to_min; /* Initial value of DTLS handshake timer */
uint32_t hs_to_max; /* Max value of DTLS handshake timer */
int dtls_mtu; /* UDP Maximum tranport unit for DTLS */
int dgram_packing; /* allow/forbid datagram packing */
int badmac_limit; /* Limit of records with bad MAC */
} opt;
@ -1342,6 +1347,7 @@ int main( int argc, char *argv[] )
opt.hs_to_min = DFL_HS_TO_MIN;
opt.hs_to_max = DFL_HS_TO_MAX;
opt.dtls_mtu = DFL_DTLS_MTU;
opt.dgram_packing = DFL_DGRAM_PACKING;
opt.badmac_limit = DFL_BADMAC_LIMIT;
opt.extended_ms = DFL_EXTENDED_MS;
opt.etm = DFL_ETM;
@ -1694,6 +1700,15 @@ int main( int argc, char *argv[] )
if( opt.dtls_mtu < 0 )
goto usage;
}
else if( strcmp( p, "dgram_packing" ) == 0 )
{
opt.dgram_packing = atoi( q );
if( opt.dgram_packing != 0 &&
opt.dgram_packing != 1 )
{
goto usage;
}
}
else if( strcmp( p, "sni" ) == 0 )
{
opt.sni = q;
@ -2168,6 +2183,9 @@ int main( int argc, char *argv[] )
if( opt.dtls_mtu != DFL_DTLS_MTU )
mbedtls_ssl_conf_mtu( &conf, opt.dtls_mtu );
if( opt.dgram_packing != DFL_DGRAM_PACKING )
mbedtls_ssl_conf_datagram_packing( &ssl, opt.dgram_packing );
#endif /* MBEDTLS_SSL_PROTO_DTLS */
#if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH)
@ -2178,6 +2196,7 @@ int main( int argc, char *argv[] )
};
#endif
#if defined(MBEDTLS_SSL_TRUNCATED_HMAC)
if( opt.trunc_hmac != DFL_TRUNC_HMAC )
mbedtls_ssl_conf_truncated_hmac( &conf, opt.trunc_hmac );