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/*
* $Id$
* 'OpenSSL for Ruby' project
* Copyright (C) 2001-2002 Michal Rokos <m.rokos@sh.cvut.cz>
* All rights reserved.
*/
/*
* This program is licenced under the same licence as Ruby.
* (See the file 'LICENCE'.)
*/
#include "ossl.h"
#define WrapX509Store(klass, obj, st) do { \
if (!(st)) { \
ossl_raise(rb_eRuntimeError, "STORE wasn't initialized!"); \
} \
(obj) = Data_Wrap_Struct((klass), 0, X509_STORE_free, (st)); \
} while (0)
#define GetX509Store(obj, st) do { \
Data_Get_Struct((obj), X509_STORE, (st)); \
if (!(st)) { \
ossl_raise(rb_eRuntimeError, "STORE wasn't initialized!"); \
} \
} while (0)
#define SafeGetX509Store(obj, st) do { \
OSSL_Check_Kind((obj), cX509Store); \
GetX509Store((obj), (st)); \
} while (0)
#define WrapX509StCtx(klass, obj, ctx) do { \
if (!(ctx)) { \
ossl_raise(rb_eRuntimeError, "STORE_CTX wasn't initialized!"); \
} \
(obj) = Data_Wrap_Struct((klass), 0, ossl_x509stctx_free, (ctx)); \
} while (0)
#define GetX509StCtx(obj, ctx) do { \
Data_Get_Struct((obj), X509_STORE_CTX, (ctx)); \
if (!(ctx)) { \
ossl_raise(rb_eRuntimeError, "STORE_CTX is out of scope!"); \
} \
} while (0)
#define SafeGetX509StCtx(obj, storep) do { \
OSSL_Check_Kind((obj), cX509StoreContext); \
GetX509Store((obj), (ctx)); \
} while (0)
/*
* Classes
*/
VALUE cX509Store;
VALUE cX509StoreContext;
VALUE eX509StoreError;
/*
* Public functions
*/
VALUE
ossl_x509store_new(X509_STORE *store)
{
VALUE obj;
WrapX509Store(cX509Store, obj, store);
return obj;
}
X509_STORE *
GetX509StorePtr(VALUE obj)
{
X509_STORE *store;
SafeGetX509Store(obj, store);
return store;
}
X509_STORE *
DupX509StorePtr(VALUE obj)
{
X509_STORE *store;
SafeGetX509Store(obj, store);
CRYPTO_add(&store->references, 1, CRYPTO_LOCK_X509_STORE);
return store;
}
/*
* Private functions
*/
static VALUE
ossl_x509store_alloc(VALUE klass)
{
X509_STORE *store;
VALUE obj;
if((store = X509_STORE_new()) == NULL){
ossl_raise(eX509StoreError, NULL);
}
WrapX509Store(klass, obj, store);
return obj;
}
/*
* General callback for OpenSSL verify
*/
static VALUE
ossl_x509store_set_vfy_cb(VALUE self, VALUE cb)
{
X509_STORE *store;
GetX509Store(self, store);
X509_STORE_set_ex_data(store, ossl_verify_cb_idx, (void*)cb);
rb_iv_set(self, "@verify_callback", cb);
return cb;
}
/*
* call-seq:
* X509::Store.new => store
*
*/
static VALUE
ossl_x509store_initialize(int argc, VALUE *argv, VALUE self)
{
X509_STORE *store;
/* BUG: This method takes any number of arguments but appears to ignore them. */
GetX509Store(self, store);
store->ex_data.sk = NULL;
X509_STORE_set_verify_cb_func(store, ossl_verify_cb);
ossl_x509store_set_vfy_cb(self, Qnil);
#if (OPENSSL_VERSION_NUMBER < 0x00907000L)
rb_iv_set(self, "@flags", INT2NUM(0));
rb_iv_set(self, "@purpose", INT2NUM(0));
rb_iv_set(self, "@trust", INT2NUM(0));
#endif
/* last verification status */
rb_iv_set(self, "@error", Qnil);
rb_iv_set(self, "@error_string", Qnil);
rb_iv_set(self, "@chain", Qnil);
rb_iv_set(self, "@time", Qnil);
return self;
}
static VALUE
ossl_x509store_set_flags(VALUE self, VALUE flags)
{
#if (OPENSSL_VERSION_NUMBER >= 0x00907000L)
X509_STORE *store;
long f = NUM2LONG(flags);
GetX509Store(self, store);
X509_STORE_set_flags(store, f);
#else
rb_iv_set(self, "@flags", flags);
#endif
return flags;
}
static VALUE
ossl_x509store_set_purpose(VALUE self, VALUE purpose)
{
#if (OPENSSL_VERSION_NUMBER >= 0x00907000L)
X509_STORE *store;
int p = NUM2INT(purpose);
GetX509Store(self, store);
X509_STORE_set_purpose(store, p);
#else
rb_iv_set(self, "@purpose", purpose);
#endif
return purpose;
}
static VALUE
ossl_x509store_set_trust(VALUE self, VALUE trust)
{
#if (OPENSSL_VERSION_NUMBER >= 0x00907000L)
X509_STORE *store;
int t = NUM2INT(trust);
GetX509Store(self, store);
X509_STORE_set_trust(store, t);
#else
rb_iv_set(self, "@trust", trust);
#endif
return trust;
}
static VALUE
ossl_x509store_set_time(VALUE self, VALUE time)
{
rb_iv_set(self, "@time", time);
return time;
}
/*
* call-seq:
* store.add_file(file) -> store
*
*
* Adds the certificates in +file+ to the certificate store. The +file+ can
* contain multiple PEM-encoded certificates.
*/
static VALUE
ossl_x509store_add_file(VALUE self, VALUE file)
{
X509_STORE *store;
X509_LOOKUP *lookup;
char *path = NULL;
if(file != Qnil){
SafeStringValue(file);
path = RSTRING_PTR(file);
}
GetX509Store(self, store);
lookup = X509_STORE_add_lookup(store, X509_LOOKUP_file());
if(lookup == NULL) ossl_raise(eX509StoreError, NULL);
if(X509_LOOKUP_load_file(lookup, path, X509_FILETYPE_PEM) != 1){
ossl_raise(eX509StoreError, NULL);
}
return self;
}
static VALUE
ossl_x509store_add_path(VALUE self, VALUE dir)
{
X509_STORE *store;
X509_LOOKUP *lookup;
char *path = NULL;
if(dir != Qnil){
SafeStringValue(dir);
path = RSTRING_PTR(dir);
}
GetX509Store(self, store);
lookup = X509_STORE_add_lookup(store, X509_LOOKUP_hash_dir());
if(lookup == NULL) ossl_raise(eX509StoreError, NULL);
if(X509_LOOKUP_add_dir(lookup, path, X509_FILETYPE_PEM) != 1){
ossl_raise(eX509StoreError, NULL);
}
return self;
}
/*
* call-seq:
* store.set_default_path
*
* Adds the default certificates to the certificate store. These certificates
* are loaded from the default configuration directory which can usually be
* determined by:
*
* File.dirname OpenSSL::Config::DEFAULT_CONFIG_FILE
*/
static VALUE
ossl_x509store_set_default_paths(VALUE self)
{
X509_STORE *store;
GetX509Store(self, store);
if (X509_STORE_set_default_paths(store) != 1){
ossl_raise(eX509StoreError, NULL);
}
return Qnil;
}
/*
* call-seq:
* store.add_cert(cert)
*
* Adds the OpenSSL::X509::Certificate +cert+ to the certificate store.
*/
static VALUE
ossl_x509store_add_cert(VALUE self, VALUE arg)
{
X509_STORE *store;
X509 *cert;
cert = GetX509CertPtr(arg); /* NO NEED TO DUP */
GetX509Store(self, store);
if (X509_STORE_add_cert(store, cert) != 1){
ossl_raise(eX509StoreError, NULL);
}
return self;
}
static VALUE
ossl_x509store_add_crl(VALUE self, VALUE arg)
{
X509_STORE *store;
X509_CRL *crl;
crl = GetX509CRLPtr(arg); /* NO NEED TO DUP */
GetX509Store(self, store);
if (X509_STORE_add_crl(store, crl) != 1){
ossl_raise(eX509StoreError, NULL);
}
return self;
}
static VALUE ossl_x509stctx_get_err(VALUE);
static VALUE ossl_x509stctx_get_err_string(VALUE);
static VALUE ossl_x509stctx_get_chain(VALUE);
static VALUE
ossl_x509store_verify(int argc, VALUE *argv, VALUE self)
{
VALUE cert, chain;
VALUE ctx, proc, result;
rb_scan_args(argc, argv, "11", &cert, &chain);
ctx = rb_funcall(cX509StoreContext, rb_intern("new"), 3, self, cert, chain);
proc = rb_block_given_p() ? rb_block_proc() :
rb_iv_get(self, "@verify_callback");
rb_iv_set(ctx, "@verify_callback", proc);
result = rb_funcall(ctx, rb_intern("verify"), 0);
rb_iv_set(self, "@error", ossl_x509stctx_get_err(ctx));
rb_iv_set(self, "@error_string", ossl_x509stctx_get_err_string(ctx));
rb_iv_set(self, "@chain", ossl_x509stctx_get_chain(ctx));
return result;
}
/*
* Public Functions
*/
static void ossl_x509stctx_free(X509_STORE_CTX*);
VALUE
ossl_x509stctx_new(X509_STORE_CTX *ctx)
{
VALUE obj;
WrapX509StCtx(cX509StoreContext, obj, ctx);
return obj;
}
VALUE
ossl_x509stctx_clear_ptr(VALUE obj)
{
OSSL_Check_Kind(obj, cX509StoreContext);
RDATA(obj)->data = NULL;
return obj;
}
/*
* Private functions
*/
static void
ossl_x509stctx_free(X509_STORE_CTX *ctx)
{
if(ctx->untrusted)
sk_X509_pop_free(ctx->untrusted, X509_free);
if(ctx->cert)
X509_free(ctx->cert);
X509_STORE_CTX_free(ctx);
}
static VALUE
ossl_x509stctx_alloc(VALUE klass)
{
X509_STORE_CTX *ctx;
VALUE obj;
if((ctx = X509_STORE_CTX_new()) == NULL){
ossl_raise(eX509StoreError, NULL);
}
WrapX509StCtx(klass, obj, ctx);
return obj;
}
static VALUE ossl_x509stctx_set_flags(VALUE, VALUE);
static VALUE ossl_x509stctx_set_purpose(VALUE, VALUE);
static VALUE ossl_x509stctx_set_trust(VALUE, VALUE);
static VALUE ossl_x509stctx_set_time(VALUE, VALUE);
static VALUE
ossl_x509stctx_initialize(int argc, VALUE *argv, VALUE self)
{
VALUE store, cert, chain, t;
X509_STORE_CTX *ctx;
X509_STORE *x509st;
X509 *x509 = NULL;
STACK_OF(X509) *x509s = NULL;
rb_scan_args(argc, argv, "12", &store, &cert, &chain);
GetX509StCtx(self, ctx);
SafeGetX509Store(store, x509st);
if(!NIL_P(cert)) x509 = DupX509CertPtr(cert); /* NEED TO DUP */
if(!NIL_P(chain)) x509s = ossl_x509_ary2sk(chain);
#if (OPENSSL_VERSION_NUMBER >= 0x00907000L)
if(X509_STORE_CTX_init(ctx, x509st, x509, x509s) != 1){
sk_X509_pop_free(x509s, X509_free);
ossl_raise(eX509StoreError, NULL);
}
#else
X509_STORE_CTX_init(ctx, x509st, x509, x509s);
ossl_x509stctx_set_flags(self, rb_iv_get(store, "@flags"));
ossl_x509stctx_set_purpose(self, rb_iv_get(store, "@purpose"));
ossl_x509stctx_set_trust(self, rb_iv_get(store, "@trust"));
#endif
if (!NIL_P(t = rb_iv_get(store, "@time")))
ossl_x509stctx_set_time(self, t);
rb_iv_set(self, "@verify_callback", rb_iv_get(store, "@verify_callback"));
rb_iv_set(self, "@cert", cert);
return self;
}
static VALUE
ossl_x509stctx_verify(VALUE self)
{
X509_STORE_CTX *ctx;
int result;
GetX509StCtx(self, ctx);
X509_STORE_CTX_set_ex_data(ctx, ossl_verify_cb_idx,
(void*)rb_iv_get(self, "@verify_callback"));
result = X509_verify_cert(ctx);
return result ? Qtrue : Qfalse;
}
static VALUE
ossl_x509stctx_get_chain(VALUE self)
{
X509_STORE_CTX *ctx;
STACK_OF(X509) *chain;
X509 *x509;
int i, num;
VALUE ary;
GetX509StCtx(self, ctx);
if((chain = X509_STORE_CTX_get_chain(ctx)) == NULL){
return Qnil;
}
if((num = sk_X509_num(chain)) < 0){
OSSL_Debug("certs in chain < 0???");
return rb_ary_new();
}
ary = rb_ary_new2(num);
for(i = 0; i < num; i++) {
x509 = sk_X509_value(chain, i);
rb_ary_push(ary, ossl_x509_new(x509));
}
return ary;
}
static VALUE
ossl_x509stctx_get_err(VALUE self)
{
X509_STORE_CTX *ctx;
GetX509StCtx(self, ctx);
return INT2FIX(X509_STORE_CTX_get_error(ctx));
}
static VALUE
ossl_x509stctx_set_error(VALUE self, VALUE err)
{
X509_STORE_CTX *ctx;
GetX509StCtx(self, ctx);
X509_STORE_CTX_set_error(ctx, NUM2INT(err));
return err;
}
static VALUE
ossl_x509stctx_get_err_string(VALUE self)
{
X509_STORE_CTX *ctx;
long err;
GetX509StCtx(self, ctx);
err = X509_STORE_CTX_get_error(ctx);
return rb_str_new2(X509_verify_cert_error_string(err));
}
static VALUE
ossl_x509stctx_get_err_depth(VALUE self)
{
X509_STORE_CTX *ctx;
GetX509StCtx(self, ctx);
return INT2FIX(X509_STORE_CTX_get_error_depth(ctx));
}
static VALUE
ossl_x509stctx_get_curr_cert(VALUE self)
{
X509_STORE_CTX *ctx;
GetX509StCtx(self, ctx);
return ossl_x509_new(X509_STORE_CTX_get_current_cert(ctx));
}
static VALUE
ossl_x509stctx_get_curr_crl(VALUE self)
{
#if (OPENSSL_VERSION_NUMBER >= 0x00907000L)
X509_STORE_CTX *ctx;
GetX509StCtx(self, ctx);
if(!ctx->current_crl) return Qnil;
return ossl_x509crl_new(ctx->current_crl);
#else
return Qnil;
#endif
}
static VALUE
ossl_x509stctx_set_flags(VALUE self, VALUE flags)
{
X509_STORE_CTX *store;
long f = NUM2LONG(flags);
GetX509StCtx(self, store);
X509_STORE_CTX_set_flags(store, f);
return flags;
}
static VALUE
ossl_x509stctx_set_purpose(VALUE self, VALUE purpose)
{
X509_STORE_CTX *store;
int p = NUM2INT(purpose);
GetX509StCtx(self, store);
X509_STORE_CTX_set_purpose(store, p);
return purpose;
}
static VALUE
ossl_x509stctx_set_trust(VALUE self, VALUE trust)
{
X509_STORE_CTX *store;
int t = NUM2INT(trust);
GetX509StCtx(self, store);
X509_STORE_CTX_set_trust(store, t);
return trust;
}
/*
* call-seq:
* storectx.time = time => time
*/
static VALUE
ossl_x509stctx_set_time(VALUE self, VALUE time)
{
X509_STORE_CTX *store;
long t;
t = NUM2LONG(rb_Integer(time));
GetX509StCtx(self, store);
X509_STORE_CTX_set_time(store, 0, t);
return time;
}
/*
* INIT
*/
void
Init_ossl_x509store()
{
VALUE x509stctx;
#if 0
mOSSL = rb_define_module("OpenSSL"); /* let rdoc know about mOSSL */
mX509 = rb_define_module_under(mOSSL, "X509");
#endif
eX509StoreError = rb_define_class_under(mX509, "StoreError", eOSSLError);
/* Document-class: OpenSSL::X509::Store
*
* The X509 certificate store holds trusted CA certificates used to verify
* peer certificates.
*
* The easiest way to create a useful certificate store is:
*
* cert_store = OpenSSL::X509::Store.new
* cert_store.set_default_paths
*
* This will use your system's built-in certificates.
*
* If your system does not have a default set of certificates you can
* obtain a set from Mozilla here: http://curl.haxx.se/docs/caextract.html
* (Note that this set does not have an HTTPS download option so you may
* wish to use the firefox-db2pem.sh script to extract the certificates
* from a local install to avoid man-in-the-middle attacks.)
*
* After downloading or generating a cacert.pem from the above link you
* can create a certificate store from the pem file like this:
*
* cert_store = OpenSSL::X509::Store.new
* cert_store.add_file 'cacert.pem'
*
* The certificate store can be used with an SSLSocket like this:
*
* ssl_context = OpenSSL::SSL::SSLContext.new
* ssl_context.cert_store = cert_store
*
* tcp_socket = TCPSocket.open 'example.com', 443
*
* ssl_socket = OpenSSL::SSL::SSLSocket.new tcp_socket, ssl_context
*/
cX509Store = rb_define_class_under(mX509, "Store", rb_cObject);
rb_attr(cX509Store, rb_intern("verify_callback"), 1, 0, Qfalse);
rb_attr(cX509Store, rb_intern("error"), 1, 0, Qfalse);
rb_attr(cX509Store, rb_intern("error_string"), 1, 0, Qfalse);
rb_attr(cX509Store, rb_intern("chain"), 1, 0, Qfalse);
rb_define_alloc_func(cX509Store, ossl_x509store_alloc);
rb_define_method(cX509Store, "initialize", ossl_x509store_initialize, -1);
rb_define_method(cX509Store, "verify_callback=", ossl_x509store_set_vfy_cb, 1);
rb_define_method(cX509Store, "flags=", ossl_x509store_set_flags, 1);
rb_define_method(cX509Store, "purpose=", ossl_x509store_set_purpose, 1);
rb_define_method(cX509Store, "trust=", ossl_x509store_set_trust, 1);
rb_define_method(cX509Store, "time=", ossl_x509store_set_time, 1);
rb_define_method(cX509Store, "add_path", ossl_x509store_add_path, 1);
rb_define_method(cX509Store, "add_file", ossl_x509store_add_file, 1);
rb_define_method(cX509Store, "set_default_paths", ossl_x509store_set_default_paths, 0);
rb_define_method(cX509Store, "add_cert", ossl_x509store_add_cert, 1);
rb_define_method(cX509Store, "add_crl", ossl_x509store_add_crl, 1);
rb_define_method(cX509Store, "verify", ossl_x509store_verify, -1);
cX509StoreContext = rb_define_class_under(mX509,"StoreContext",rb_cObject);
x509stctx = cX509StoreContext;
rb_define_alloc_func(cX509StoreContext, ossl_x509stctx_alloc);
rb_define_method(x509stctx,"initialize", ossl_x509stctx_initialize, -1);
rb_define_method(x509stctx,"verify", ossl_x509stctx_verify, 0);
rb_define_method(x509stctx,"chain", ossl_x509stctx_get_chain,0);
rb_define_method(x509stctx,"error", ossl_x509stctx_get_err, 0);
rb_define_method(x509stctx,"error=", ossl_x509stctx_set_error, 1);
rb_define_method(x509stctx,"error_string",ossl_x509stctx_get_err_string,0);
rb_define_method(x509stctx,"error_depth", ossl_x509stctx_get_err_depth, 0);
rb_define_method(x509stctx,"current_cert",ossl_x509stctx_get_curr_cert, 0);
rb_define_method(x509stctx,"current_crl", ossl_x509stctx_get_curr_crl, 0);
rb_define_method(x509stctx,"flags=", ossl_x509stctx_set_flags, 1);
rb_define_method(x509stctx,"purpose=", ossl_x509stctx_set_purpose, 1);
rb_define_method(x509stctx,"trust=", ossl_x509stctx_set_trust, 1);
rb_define_method(x509stctx,"time=", ossl_x509stctx_set_time, 1);
}
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