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ruby--ruby/ext/openssl/ossl_x509ext.c
gotoyuzo 231247c010 * ext/openssl: imported.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@4128 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2003-07-23 16:12:24 +00:00

345 lines
8 KiB
C

/*
* $Id$
* '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 WrapX509Ext(klass, obj, ext) do { \
if (!ext) { \
ossl_raise(rb_eRuntimeError, "EXT wasn't initialized!"); \
} \
obj = Data_Wrap_Struct(klass, 0, X509_EXTENSION_free, ext); \
} while (0)
#define GetX509Ext(obj, ext) do { \
Data_Get_Struct(obj, X509_EXTENSION, ext); \
if (!ext) { \
ossl_raise(rb_eRuntimeError, "EXT wasn't initialized!"); \
} \
} while (0)
#define SafeGetX509Ext(obj, ext) do { \
OSSL_Check_Kind(obj, cX509Ext); \
GetX509Ext(obj, ext); \
} while (0)
#define MakeX509ExtFactory(klass, obj, ctx) \
obj = Data_Make_Struct(klass, X509V3_CTX, 0, ossl_x509extfactory_free, ctx)
#define GetX509ExtFactory(obj, ctx) do { \
Data_Get_Struct(obj, X509V3_CTX, ctx); \
if (!ctx) { \
ossl_raise(rb_eRuntimeError, "CTX wasn't initialized!"); \
} \
} while (0)
/*
* Classes
*/
VALUE cX509Ext;
VALUE cX509ExtFactory;
VALUE eX509ExtError;
/*
* Public
*/
VALUE
ossl_x509ext_new(X509_EXTENSION *ext)
{
X509_EXTENSION *new;
VALUE obj;
if (!ext) {
new = X509_EXTENSION_new();
} else {
new = X509_EXTENSION_dup(ext);
}
if (!new) {
ossl_raise(eX509ExtError, NULL);
}
WrapX509Ext(cX509Ext, obj, new);
return obj;
}
X509_EXTENSION *
GetX509ExtPtr(VALUE obj)
{
X509_EXTENSION *ext;
SafeGetX509Ext(obj, ext);
return ext;
}
X509_EXTENSION *
DupX509ExtPtr(VALUE obj)
{
X509_EXTENSION *ext, *new;
SafeGetX509Ext(obj, ext);
if (!(new = X509_EXTENSION_dup(ext))) {
ossl_raise(eX509ExtError, NULL);
}
return new;
}
/*
* Private
*/
/*
* Ext factory
*/
static void
ossl_x509extfactory_free(X509V3_CTX *ctx)
{
if (ctx) {
if (ctx->issuer_cert) X509_free(ctx->issuer_cert);
if (ctx->subject_cert) X509_free(ctx->subject_cert);
if (ctx->crl) X509_CRL_free(ctx->crl);
if (ctx->subject_req) X509_REQ_free(ctx->subject_req);
OPENSSL_free(ctx);
}
}
static VALUE
ossl_x509extfactory_alloc(VALUE klass)
{
X509V3_CTX *ctx;
VALUE obj;
MakeX509ExtFactory(klass, obj, ctx);
return obj;
}
DEFINE_ALLOC_WRAPPER(ossl_x509extfactory_alloc)
static VALUE
ossl_x509extfactory_set_issuer_cert(VALUE self, VALUE cert)
{
X509V3_CTX *ctx;
GetX509ExtFactory(self, ctx);
ctx->issuer_cert = DupX509CertPtr(cert); /* DUP NEEDED */
return cert;
}
static VALUE
ossl_x509extfactory_set_subject_cert(VALUE self, VALUE cert)
{
X509V3_CTX *ctx;
GetX509ExtFactory(self, ctx);
ctx->subject_cert = DupX509CertPtr(cert); /* DUP NEEDED */
return cert;
}
static VALUE
ossl_x509extfactory_set_subject_req(VALUE self, VALUE req)
{
X509V3_CTX *ctx;
GetX509ExtFactory(self, ctx);
ctx->subject_req = DupX509ReqPtr(req);
return req;
}
static VALUE
ossl_x509extfactory_set_crl(VALUE self, VALUE crl)
{
X509V3_CTX *ctx;
GetX509ExtFactory(self, ctx);
ctx->crl = DupX509CRLPtr(crl);
return crl;
}
static VALUE
ossl_x509extfactory_initialize(int argc, VALUE *argv, VALUE self)
{
/*X509V3_CTX *ctx;*/
VALUE issuer_cert, subject_cert, subject_req, crl;
/*GetX509ExtFactory(self, ctx);*/
rb_scan_args(argc, argv, "04", &issuer_cert, &subject_cert, &subject_req, &crl);
if (!NIL_P(issuer_cert)) {
ossl_x509extfactory_set_issuer_cert(self, issuer_cert);
}
if (!NIL_P(subject_cert)) {
ossl_x509extfactory_set_subject_cert(self, subject_cert);
}
if (!NIL_P(subject_req)) {
ossl_x509extfactory_set_subject_req(self, subject_req);
}
if (!NIL_P(crl)) {
ossl_x509extfactory_set_crl(self, crl);
}
return self;
}
/*
* Array to X509_EXTENSION
* Structure:
* ["ln", "value", bool_critical] or
* ["sn", "value", bool_critical] or
* ["ln", "critical,value"] or the same for sn
* ["ln", "value"] => not critical
*/
static VALUE
ossl_x509extfactory_create_ext_from_array(VALUE self, VALUE ary)
{
X509V3_CTX *ctx;
X509_EXTENSION *ext;
int nid;
char *value;
VALUE item, obj;
GetX509ExtFactory(self, ctx);
Check_Type(ary, T_ARRAY);
if ((RARRAY(ary)->len) < 2 || (RARRAY(ary)->len > 3)) { /*2 or 3 allowed*/
ossl_raise(eX509ExtError, "unsupported structure");
}
/* key [0] */
item = RARRAY(ary)->ptr[0];
StringValue(item);
if (!(nid = OBJ_ln2nid(RSTRING(item)->ptr))) {
if (!(nid = OBJ_sn2nid(RSTRING(item)->ptr))) {
ossl_raise(eX509ExtError, NULL);
}
}
/* data [1] */
item = RARRAY(ary)->ptr[1];
StringValue(item);
/* (optional) critical [2] */
if (RARRAY(ary)->len == 3 && RARRAY(ary)->ptr[2] == Qtrue) {
if (!(value = OPENSSL_malloc(strlen("critical,") +
(RSTRING(item)->len) + 1))) {
ossl_raise(eX509ExtError, "malloc error");
}
strcpy(value, "critical,");
strncat(value, RSTRING(item)->ptr, RSTRING(item)->len);
} else {
value = strdup(StringValuePtr(item));
}
if (!(ext = X509V3_EXT_conf_nid(NULL, ctx, nid, value))) {
OPENSSL_free(value);
ossl_raise(eX509ExtError, NULL);
}
OPENSSL_free(value);
WrapX509Ext(cX509Ext, obj, ext);
return obj;
}
/*
* Ext
*/
static VALUE
ossl_x509ext_get_oid(VALUE obj)
{
X509_EXTENSION *ext;
ASN1_OBJECT *extobj;
BIO *out;
VALUE ret;
int nid, status = 0;
GetX509Ext(obj, ext);
extobj = X509_EXTENSION_get_object(ext);
if ((nid = OBJ_obj2nid(extobj)) != NID_undef)
ret = rb_str_new2(OBJ_nid2sn(nid));
else{
if (!(out = BIO_new(BIO_s_mem())))
ossl_raise(eX509ExtError, NULL);
i2a_ASN1_OBJECT(out, extobj);
ret = ossl_protect_membio2str(out, &status);
BIO_free(out);
if(status) rb_jump_tag(status);
}
return ret;
}
static VALUE
ossl_x509ext_get_value(VALUE obj)
{
X509_EXTENSION *ext;
BIO *out;
VALUE ret;
int status = 0;
GetX509Ext(obj, ext);
if (!(out = BIO_new(BIO_s_mem())))
ossl_raise(eX509ExtError, NULL);
if (!X509V3_EXT_print(out, ext, 0, 0))
M_ASN1_OCTET_STRING_print(out, ext->value);
ret = ossl_protect_membio2str(out, &status);
BIO_free(out);
if(status) rb_jump_tag(status);
return ret;
}
static VALUE
ossl_x509ext_get_critical(VALUE obj)
{
X509_EXTENSION *ext;
GetX509Ext(obj, ext);
return X509_EXTENSION_get_critical(ext) ? Qtrue : Qfalse;
}
static VALUE
ossl_x509ext_to_der(VALUE obj)
{
X509_EXTENSION *ext;
unsigned char *p;
int len;
VALUE str;
GetX509Ext(obj, ext);
p = NULL;
if((len = i2d_X509_EXTENSION(ext, &p)) < 0)
ossl_raise(eX509ExtError, NULL);
str = rb_str_new(p, len);
free(p);
return str;
}
/*
* INIT
*/
void
Init_ossl_x509ext()
{
eX509ExtError = rb_define_class_under(mX509, "ExtensionError", eOSSLError);
cX509ExtFactory = rb_define_class_under(mX509, "ExtensionFactory", rb_cObject);
rb_define_alloc_func(cX509ExtFactory, ossl_x509extfactory_alloc);
rb_define_method(cX509ExtFactory, "initialize", ossl_x509extfactory_initialize, -1);
rb_define_method(cX509ExtFactory, "issuer_certificate=", ossl_x509extfactory_set_issuer_cert, 1);
rb_define_method(cX509ExtFactory, "subject_certificate=", ossl_x509extfactory_set_subject_cert, 1);
rb_define_method(cX509ExtFactory, "subject_request=", ossl_x509extfactory_set_subject_req, 1);
rb_define_method(cX509ExtFactory, "crl=", ossl_x509extfactory_set_crl, 1);
rb_define_method(cX509ExtFactory, "create_ext_from_array", ossl_x509extfactory_create_ext_from_array, 1);
cX509Ext = rb_define_class_under(mX509, "Extension", rb_cObject);
rb_undef_method(CLASS_OF(cX509Ext), "new");
/* rb_define_alloc_func(cX509Ext, ossl_x509ext_alloc); */
/* rb_define_method(cX509Ext, "initialize", ossl_x509ext_initialize, -1); */
rb_define_method(cX509Ext, "oid", ossl_x509ext_get_oid, 0);
rb_define_method(cX509Ext, "value", ossl_x509ext_get_value, 0);
rb_define_method(cX509Ext, "critical?", ossl_x509ext_get_critical, 0);
rb_define_method(cX509Ext, "to_der", ossl_x509ext_to_der, 0);
}