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Allow compile-time configuration of legacy renegotiation

Browse source 
Introduces MBEDTLS_SSL_CONF_ALLOW_LEGACY_RENEGOTIATION
allowing to configure enforcing secure renegotiation at
compile-time.

Impact on code-size:

|  | GCC | ARMC5 | ARMC6 |
| --- | --- | --- | --- |
| `libmbedtls.a` after  | 23379 | 23929 | 27727 |
| `libmbedtls.a` before | 23307 | 23865 | 27615 |
| gain in Bytes | 72 | 64 | 112 |
This commit is contained in:
Hanno Becker 2019-06-12 16:58:10 +01:00
parent acd4fc0ac9
commit b0b2b67568
11 changed files with 89 additions and 8 deletions
Download patch file Download diff file Expand all files Collapse all files

12
programs/ssl/ssl_client2.c
View file

@ -301,6 +301,12 @@ int main( void )
#define USAGE_AUTH_MODE ""
#endif
#if !defined(MBEDTLS_SSL_CONF_ALLOW_LEGACY_RENEGOTIATION)
#define USAGE_ALLOW_LEGACY_RENEGO " allow_legacy=%%d default: (library default: no)\n"
#else
#define USAGE_ALLOW_LEGACY_RENEGO ""
#endif
#define USAGE \
"\n usage: ssl_client2 param=<>...\n" \
"\n acceptable parameters:\n" \
@ -332,7 +338,7 @@ int main( void )
USAGE_ECJPAKE \
USAGE_ECRESTART \
"\n" \
" allow_legacy=%%d default: (library default: no)\n" \
USAGE_ALLOW_LEGACY_RENEGO \
USAGE_RENEGO \
" exchanges=%%d default: 1\n" \
" reconnect=%%d number of reconnections using session resumption\n" \
@ -987,6 +993,7 @@ int main( int argc, char *argv[] )
MBEDTLS_SSL_RENEGOTIATION_ENABLED :
MBEDTLS_SSL_RENEGOTIATION_DISABLED;
}
#if !defined(MBEDTLS_SSL_CONF_ALLOW_LEGACY_RENEGOTIATION)
else if( strcmp( p, "allow_legacy" ) == 0 )
{
switch( atoi( q ) )
@ -1003,6 +1010,7 @@ int main( int argc, char *argv[] )
default: goto usage;
}
}
#endif /* !MBEDTLS_SSL_CONF_ALLOW_LEGACY_RENEGOTIATION */
else if( strcmp( p, "renegotiate" ) == 0 )
{
opt.renegotiate = atoi( q );
@ -1771,8 +1779,10 @@ int main( int argc, char *argv[] )
mbedtls_ssl_conf_arc4_support( &conf, opt.arc4 );
#endif
#if !defined(MBEDTLS_SSL_CONF_ALLOW_LEGACY_RENEGOTIATION)
if( opt.allow_legacy != DFL_ALLOW_LEGACY )
mbedtls_ssl_conf_legacy_renegotiation( &conf, opt.allow_legacy );
#endif /* !MBEDTLS_SSL_CONF_ALLOW_LEGACY_RENEGOTIATION */
#if defined(MBEDTLS_SSL_RENEGOTIATION)
mbedtls_ssl_conf_renegotiation( &conf, opt.renegotiation );
#endif