eden-emu/mbedtls
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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
programs/ssl
ssl_client2.c

25
programs/ssl/ssl_client2.c
View file

@ -97,6 +97,7 @@ int main( int argc, char *argv[] )
#define DFL_ALPN_STRING NULL
#define DFL_FALLBACK -1
#define DFL_EXTENDED_MS -1
#define DFL_ETM -1
#define GET_REQUEST "GET %s HTTP/1.0\r\nExtra-header: "
#define GET_REQUEST_END "\r\n\r\n"
@ -136,6 +137,7 @@ struct options
const char *alpn_string; /* ALPN supported protocols */
int fallback; /* is this a fallback connection? */
char extended_ms; /* negotiate extended master secret? */
char etm; ; /* negotiate encrypt then mac? ? */
} opt;
static void my_debug( void *ctx, int level, const char *str )
@ -302,6 +304,13 @@ static int my_verify( void *data, x509_crt *crt, int depth, int *flags )
#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_client2 param=<>...\n" \
"\n acceptable parameters:\n" \
@ -333,6 +342,7 @@ static int my_verify( void *data, x509_crt *crt, int depth, int *flags )
USAGE_ALPN \
USAGE_FALLBACK \
USAGE_EMS \
USAGE_ETM \
"\n" \
" min_version=%%s default: \"\" (ssl3)\n" \
" max_version=%%s default: \"\" (tls1_2)\n" \
@ -435,6 +445,7 @@ int main( int argc, char *argv[] )
opt.alpn_string = DFL_ALPN_STRING;
opt.fallback = DFL_FALLBACK;
opt.extended_ms = DFL_EXTENDED_MS;
opt.etm = DFL_ETM;
for( i = 1; i < argc; i++ )
{
@ -559,6 +570,15 @@ 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, "min_version" ) == 0 )
{
if( strcmp( q, "ssl3" ) == 0 )
@ -927,6 +947,11 @@ 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 )