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Merge option to disable truncated hmac on the server-side

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This commit is contained in:
Paul Bakker
2015-01-14 16:16:55 +01:00
parent e522d0fa57 265fe997ff
commit c82b7e2003
7 changed files with 80 additions and 24 deletions
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25
programs/ssl/ssl_server2.c
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@ -110,6 +110,7 @@ int main( int argc, char *argv[] )
#define DFL_MAX_VERSION -1
#define DFL_AUTH_MODE SSL_VERIFY_OPTIONAL
#define DFL_MFL_CODE SSL_MAX_FRAG_LEN_NONE
#define DFL_TRUNC_HMAC -1
#define DFL_TICKETS SSL_SESSION_TICKETS_ENABLED
#define DFL_TICKET_TIMEOUT -1
#define DFL_CACHE_MAX -1
@ -173,6 +174,7 @@ struct options
int max_version; /* maximum protocol version accepted */
int auth_mode; /* verify mode for connection */
unsigned char mfl_code; /* code for maximum fragment length */
int trunc_hmac; /* accept truncated hmac? */
int tickets; /* enable / disable session tickets */
int ticket_timeout; /* session ticket lifetime */
int cache_max; /* max number of session cache entries */
@ -297,6 +299,13 @@ static int my_send( void *ctx, const unsigned char *buf, size_t len )
#define USAGE_MAX_FRAG_LEN ""
#endif /* POLARSSL_SSL_MAX_FRAGMENT_LENGTH */
#if defined(POLARSSL_SSL_TRUNCATED_HMAC)
#define USAGE_TRUNC_HMAC \
" trunc_hmac=%%d default: library default\n"
#else
#define USAGE_TRUNC_HMAC ""
#endif
#if defined(POLARSSL_SSL_ALPN)
#define USAGE_ALPN \
" alpn=%%s default: \"\" (disabled)\n" \
@ -351,6 +360,7 @@ static int my_send( void *ctx, const unsigned char *buf, size_t len )
USAGE_TICKETS \
USAGE_CACHE \
USAGE_MAX_FRAG_LEN \
USAGE_TRUNC_HMAC \
USAGE_ALPN \
USAGE_EMS \
USAGE_ETM \
@ -741,6 +751,7 @@ int main( int argc, char *argv[] )
opt.max_version = DFL_MAX_VERSION;
opt.auth_mode = DFL_AUTH_MODE;
opt.mfl_code = DFL_MFL_CODE;
opt.trunc_hmac = DFL_TRUNC_HMAC;
opt.tickets = DFL_TICKETS;
opt.ticket_timeout = DFL_TICKET_TIMEOUT;
opt.cache_max = DFL_CACHE_MAX;
@ -927,6 +938,15 @@ int main( int argc, char *argv[] )
{
opt.alpn_string = q;
}
else if( strcmp( p, "trunc_hmac" ) == 0 )
{
switch( atoi( q ) )
{
case 0: opt.trunc_hmac = SSL_TRUNC_HMAC_DISABLED; break;
case 1: opt.trunc_hmac = SSL_TRUNC_HMAC_ENABLED; break;
default: goto usage;
}
}
else if( strcmp( p, "extended_ms" ) == 0 )
{
switch( atoi( q ) )
@ -1322,6 +1342,11 @@ int main( int argc, char *argv[] )
};
#endif
#if defined(POLARSSL_SSL_TRUNCATED_HMAC)
if( opt.trunc_hmac != DFL_TRUNC_HMAC )
ssl_set_truncated_hmac( &ssl, opt.trunc_hmac );
#endif
#if defined(POLARSSL_SSL_EXTENDED_MASTER_SECRET)
if( opt.extended_ms != DFL_EXTENDED_MS )
ssl_set_extended_master_secret( &ssl, opt.extended_ms );