diff options
Diffstat (limited to 'ext/openssl/ossl.c')
-rw-r--r-- | ext/openssl/ossl.c | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/ext/openssl/ossl.c b/ext/openssl/ossl.c index ac8f63800d..9d14ca6110 100644 --- a/ext/openssl/ossl.c +++ b/ext/openssl/ossl.c @@ -425,6 +425,33 @@ ossl_debug_set(VALUE self, VALUE val) } /* + * call-seq: + * OpenSSL.fips_mode = boolean -> boolean + * + * Turns FIPS mode on or off. Turning on FIPS mode will obviously only have an + * effect for FIPS-capable installations of the OpenSSL library. Trying to do + * so otherwise will result in an error. + * + * === Examples + * + * OpenSSL.fips_mode = true # turn FIPS mode on + * OpenSSL.fips_mode = false # and off again + */ +static VALUE +ossl_fips_mode_set(VALUE self, VALUE enabled) +{ + if RTEST(enabled) { + int mode = FIPS_mode(); + if(!mode && !FIPS_mode_set(1)) /* turning on twice leads to an error */ + ossl_raise(eOSSLError, "Turning on FIPS mode failed"); + } else { + if(!FIPS_mode_set(0)) /* turning off twice is OK */ + ossl_raise(eOSSLError, "Turning off FIPS mode failed"); + } + return enabled; +} + +/* * OpenSSL provides SSL, TLS and general purpose cryptography. It wraps the * OpenSSL[http://www.openssl.org/] library. * @@ -944,13 +971,14 @@ Init_openssl() rb_define_const(mOSSL, "OPENSSL_VERSION_NUMBER", INT2NUM(OPENSSL_VERSION_NUMBER)); /* - * Boolean indicating whether OpenSSL runs in FIPS mode or not + * Boolean indicating whether OpenSSL is FIPS-enabled or not */ #ifdef HAVE_OPENSSL_FIPS rb_define_const(mOSSL, "OPENSSL_FIPS", Qtrue); #else rb_define_const(mOSSL, "OPENSSL_FIPS", Qfalse); #endif + rb_define_module_function(mOSSL, "fips_mode=", ossl_fips_mode_set, 1); /* * Generic error, |