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Merge pull request #635 from QWYNG/add_provider_support
add OpenSSL Provider support
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/* | ||
* This program is licensed under the same licence as Ruby. | ||
* (See the file 'LICENCE'.) | ||
*/ | ||
#include "ossl.h" | ||
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#ifdef OSSL_USE_PROVIDER | ||
# include <openssl/provider.h> | ||
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#define NewProvider(klass) \ | ||
TypedData_Wrap_Struct((klass), &ossl_provider_type, 0) | ||
#define SetProvider(obj, provider) do { \ | ||
if (!(provider)) { \ | ||
ossl_raise(rb_eRuntimeError, "Provider wasn't initialized."); \ | ||
} \ | ||
RTYPEDDATA_DATA(obj) = (provider); \ | ||
} while(0) | ||
#define GetProvider(obj, provider) do { \ | ||
TypedData_Get_Struct((obj), OSSL_PROVIDER, &ossl_provider_type, (provider)); \ | ||
if (!(provider)) { \ | ||
ossl_raise(rb_eRuntimeError, "PROVIDER wasn't initialized."); \ | ||
} \ | ||
} while (0) | ||
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static const rb_data_type_t ossl_provider_type = { | ||
"OpenSSL/Provider", | ||
{ | ||
0, | ||
}, | ||
0, 0, RUBY_TYPED_FREE_IMMEDIATELY | RUBY_TYPED_WB_PROTECTED, | ||
}; | ||
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/* | ||
* Classes | ||
*/ | ||
/* Document-class: OpenSSL::Provider | ||
* | ||
* This class is the access to openssl's Provider | ||
* See also, https://www.openssl.org/docs/manmaster/man7/provider.html | ||
*/ | ||
static VALUE cProvider; | ||
/* Document-class: OpenSSL::Provider::ProviderError | ||
* | ||
* This is the generic exception for OpenSSL::Provider related errors | ||
*/ | ||
static VALUE eProviderError; | ||
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/* | ||
* call-seq: | ||
* OpenSSL::Provider.load(name) -> provider | ||
* | ||
* This method loads and initializes a provider | ||
*/ | ||
static VALUE | ||
ossl_provider_s_load(VALUE klass, VALUE name) | ||
{ | ||
OSSL_PROVIDER *provider = NULL; | ||
VALUE obj; | ||
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const char *provider_name_ptr = StringValueCStr(name); | ||
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provider = OSSL_PROVIDER_load(NULL, provider_name_ptr); | ||
if (provider == NULL) { | ||
ossl_raise(eProviderError, "Failed to load %s provider", provider_name_ptr); | ||
} | ||
obj = NewProvider(klass); | ||
SetProvider(obj, provider); | ||
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return obj; | ||
} | ||
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struct ary_with_state { VALUE ary; int state; }; | ||
struct rb_push_provider_name_args { OSSL_PROVIDER *prov; VALUE ary; }; | ||
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static VALUE | ||
rb_push_provider_name(VALUE rb_push_provider_name_args) | ||
{ | ||
struct rb_push_provider_name_args *args = (struct rb_push_provider_name_args *)rb_push_provider_name_args; | ||
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VALUE name = rb_str_new2(OSSL_PROVIDER_get0_name(args->prov)); | ||
return rb_ary_push(args->ary, name); | ||
} | ||
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static int | ||
push_provider(OSSL_PROVIDER *prov, void *cbdata) | ||
{ | ||
struct ary_with_state *ary_with_state = (struct ary_with_state *)cbdata; | ||
struct rb_push_provider_name_args args = { prov, ary_with_state->ary }; | ||
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rb_protect(rb_push_provider_name, (VALUE)&args, &ary_with_state->state); | ||
if (ary_with_state->state) { | ||
return 0; | ||
} else { | ||
return 1; | ||
} | ||
} | ||
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/* | ||
* call-seq: | ||
* OpenSSL::Provider.provider_names -> [provider_name, ...] | ||
* | ||
* Returns an array of currently loaded provider names. | ||
*/ | ||
static VALUE | ||
ossl_provider_s_provider_names(VALUE klass) | ||
{ | ||
VALUE ary = rb_ary_new(); | ||
struct ary_with_state cbdata = { ary, 0 }; | ||
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int result = OSSL_PROVIDER_do_all(NULL, &push_provider, (void*)&cbdata); | ||
if (result != 1 ) { | ||
if (cbdata.state) { | ||
rb_jump_tag(cbdata.state); | ||
} else { | ||
ossl_raise(eProviderError, "Failed to load provider names"); | ||
} | ||
} | ||
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return ary; | ||
} | ||
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/* | ||
* call-seq: | ||
* provider.unload -> true | ||
* | ||
* This method unloads this provider. | ||
* | ||
* if provider unload fails or already unloaded, it raises OpenSSL::Provider::ProviderError | ||
*/ | ||
static VALUE | ||
ossl_provider_unload(VALUE self) | ||
{ | ||
OSSL_PROVIDER *prov; | ||
if (RTYPEDDATA_DATA(self) == NULL) { | ||
ossl_raise(eProviderError, "Provider already unloaded."); | ||
} | ||
GetProvider(self, prov); | ||
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int result = OSSL_PROVIDER_unload(prov); | ||
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if (result != 1) { | ||
ossl_raise(eProviderError, "Failed to unload provider"); | ||
} | ||
RTYPEDDATA_DATA(self) = NULL; | ||
return Qtrue; | ||
} | ||
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/* | ||
* call-seq: | ||
* provider.name -> string | ||
* | ||
* Get the name of this provider. | ||
* | ||
* if this provider is already unloaded, it raises OpenSSL::Provider::ProviderError | ||
*/ | ||
static VALUE | ||
ossl_provider_get_name(VALUE self) | ||
{ | ||
OSSL_PROVIDER *prov; | ||
if (RTYPEDDATA_DATA(self) == NULL) { | ||
ossl_raise(eProviderError, "Provider already unloaded."); | ||
} | ||
GetProvider(self, prov); | ||
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return rb_str_new2(OSSL_PROVIDER_get0_name(prov)); | ||
} | ||
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/* | ||
* call-seq: | ||
* provider.inspect -> string | ||
* | ||
* Pretty prints this provider. | ||
*/ | ||
static VALUE | ||
ossl_provider_inspect(VALUE self) | ||
{ | ||
OSSL_PROVIDER *prov; | ||
if (RTYPEDDATA_DATA(self) == NULL ) { | ||
return rb_sprintf("#<%"PRIsVALUE" unloaded provider>", rb_obj_class(self)); | ||
} | ||
GetProvider(self, prov); | ||
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return rb_sprintf("#<%"PRIsVALUE" name=\"%s\">", | ||
rb_obj_class(self), OSSL_PROVIDER_get0_name(prov)); | ||
} | ||
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void | ||
Init_ossl_provider(void) | ||
{ | ||
#if 0 | ||
mOSSL = rb_define_module("OpenSSL"); | ||
eOSSLError = rb_define_class_under(mOSSL, "OpenSSLError", rb_eStandardError); | ||
#endif | ||
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cProvider = rb_define_class_under(mOSSL, "Provider", rb_cObject); | ||
eProviderError = rb_define_class_under(cProvider, "ProviderError", eOSSLError); | ||
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rb_undef_alloc_func(cProvider); | ||
rb_define_singleton_method(cProvider, "load", ossl_provider_s_load, 1); | ||
rb_define_singleton_method(cProvider, "provider_names", ossl_provider_s_provider_names, 0); | ||
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rb_define_method(cProvider, "unload", ossl_provider_unload, 0); | ||
rb_define_method(cProvider, "name", ossl_provider_get_name, 0); | ||
rb_define_method(cProvider, "inspect", ossl_provider_inspect, 0); | ||
} | ||
#else | ||
void | ||
Init_ossl_provider(void) | ||
{ | ||
} | ||
#endif |
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#if !defined(OSSL_PROVIDER_H) | ||
#define OSSL_PROVIDER_H | ||
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void Init_ossl_provider(void); | ||
#endif |
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# frozen_string_literal: true | ||
require_relative 'utils' | ||
if defined?(OpenSSL) && defined?(OpenSSL::Provider) && !OpenSSL.fips_mode | ||
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class OpenSSL::TestProvider < OpenSSL::TestCase | ||
def test_openssl_provider_name_inspect | ||
with_openssl <<-'end;' | ||
provider = OpenSSL::Provider.load("default") | ||
assert_equal("default", provider.name) | ||
assert_not_nil(provider.inspect) | ||
end; | ||
end | ||
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def test_openssl_provider_names | ||
with_openssl <<-'end;' | ||
legacy_provider = OpenSSL::Provider.load("legacy") | ||
assert_equal(2, OpenSSL::Provider.provider_names.size) | ||
assert_includes(OpenSSL::Provider.provider_names, "legacy") | ||
assert_equal(true, legacy_provider.unload) | ||
assert_equal(1, OpenSSL::Provider.provider_names.size) | ||
assert_not_includes(OpenSSL::Provider.provider_names, "legacy") | ||
end; | ||
end | ||
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def test_unloaded_openssl_provider | ||
with_openssl <<-'end;' | ||
default_provider = OpenSSL::Provider.load("default") | ||
assert_equal(true, default_provider.unload) | ||
assert_raise(OpenSSL::Provider::ProviderError) { default_provider.name } | ||
assert_raise(OpenSSL::Provider::ProviderError) { default_provider.unload } | ||
end; | ||
end | ||
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def test_openssl_legacy_provider | ||
with_openssl(<<-'end;') | ||
OpenSSL::Provider.load("legacy") | ||
algo = "RC4" | ||
data = "a" * 1000 | ||
key = OpenSSL::Random.random_bytes(16) | ||
# default provider does not support RC4 | ||
cipher = OpenSSL::Cipher.new(algo) | ||
cipher.encrypt | ||
cipher.key = key | ||
encrypted = cipher.update(data) + cipher.final | ||
other_cipher = OpenSSL::Cipher.new(algo) | ||
other_cipher.decrypt | ||
other_cipher.key = key | ||
decrypted = other_cipher.update(encrypted) + other_cipher.final | ||
assert_equal(data, decrypted) | ||
end; | ||
end | ||
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private | ||
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# this is required because OpenSSL::Provider methods change global state | ||
def with_openssl(code, **opts) | ||
assert_separately([{ "OSSL_MDEBUG" => nil }, "-ropenssl"], <<~"end;", **opts) | ||
#{code} | ||
end; | ||
end | ||
end | ||
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end |