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Implement initial negotiation of EtM

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Not implemented yet:
- actually using EtM
- conditions on renegotiation
This commit is contained in:
Manuel Pégourié-Gonnard
2014-10-27 13:57:03 +01:00
parent b3c6a97b31
commit 699cafaea2
9 changed files with 308 additions and 2 deletions
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25
programs/ssl/ssl_server2.c
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@ -117,6 +117,7 @@ int main( int argc, char *argv[] )
#define DFL_ALPN_STRING NULL
#define DFL_DHM_FILE NULL
#define DFL_EXTENDED_MS -1
#define DFL_ETM -1
#define LONG_RESPONSE "<p>01-blah-blah-blah-blah-blah-blah-blah-blah-blah\r\n" \
"02-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah\r\n" \
@ -178,6 +179,7 @@ struct options
const char *alpn_string; /* ALPN supported protocols */
const char *dhm_file; /* the file with the DH parameters */
char extended_ms; /* allow negotiation of extended MS? */
char etm; /* allow negotiation of encrypt-then-MAC? */
} opt;
static void my_debug( void *ctx, int level, const char *str )
@ -308,6 +310,13 @@ static int my_send( void *ctx, const unsigned char *buf, size_t len )
#define USAGE_EMS ""
#endif
#if defined(POLARSSL_SSL_ENCRYPT_THEN_MAC)
#define USAGE_ETM \
" etm=0/1 default: (library default: on)\n"
#else
#define USAGE_ETM ""
#endif
#define USAGE \
"\n usage: ssl_server2 param=<>...\n" \
"\n acceptable parameters:\n" \
@ -334,6 +343,7 @@ static int my_send( void *ctx, const unsigned char *buf, size_t len )
USAGE_MAX_FRAG_LEN \
USAGE_ALPN \
USAGE_EMS \
USAGE_ETM \
"\n" \
" min_version=%%s default: \"ssl3\"\n" \
" max_version=%%s default: \"tls1_2\"\n" \
@ -724,6 +734,7 @@ int main( int argc, char *argv[] )
opt.alpn_string = DFL_ALPN_STRING;
opt.dhm_file = DFL_DHM_FILE;
opt.extended_ms = DFL_EXTENDED_MS;
opt.etm = DFL_ETM;
for( i = 1; i < argc; i++ )
{
@ -900,6 +911,15 @@ int main( int argc, char *argv[] )
default: goto usage;
}
}
else if( strcmp( p, "etm" ) == 0 )
{
switch( atoi( q ) )
{
case 0: opt.etm = SSL_ETM_DISABLED; break;
case 1: opt.etm = SSL_ETM_ENABLED; break;
default: goto usage;
}
}
else if( strcmp( p, "tickets" ) == 0 )
{
opt.tickets = atoi( q );
@ -1282,6 +1302,11 @@ int main( int argc, char *argv[] )
ssl_set_extended_master_secret( &ssl, opt.extended_ms );
#endif
#if defined(POLARSSL_SSL_ENCRYPT_THEN_MAC)
if( opt.etm != DFL_ETM )
ssl_set_encrypt_then_mac( &ssl, opt.etm );
#endif
#if defined(POLARSSL_SSL_ALPN)
if( opt.alpn_string != NULL )
if( ( ret = ssl_set_alpn_protocols( &ssl, alpn_list ) ) != 0 )