class OpenSSL::X509::Extension

Public Class Methods

OpenSSL::X509::Extension.new asn1 click to toggle source
OpenSSL::X509::Extension.new name, value
OpenSSL::X509::Extension.new name, value, critical

Creates an X509 extension.

The extension may be created from asn1 data or from an extension name and value. The name may be either an OID or an extension name. If critical is true the extension is marked critical.

static VALUE
ossl_x509ext_initialize(int argc, VALUE *argv, VALUE self)
{
    VALUE oid, value, critical;
    const unsigned char *p;
    X509_EXTENSION *ext, *x;

    GetX509Ext(self, ext);
    if(rb_scan_args(argc, argv, "12", &oid, &value, &critical) == 1){
        oid = ossl_to_der_if_possible(oid);
        StringValue(oid);
        p = (unsigned char *)RSTRING_PTR(oid);
        x = d2i_X509_EXTENSION(&ext, &p, RSTRING_LEN(oid));
        DATA_PTR(self) = ext;
        if(!x)
            ossl_raise(eX509ExtError, NULL);
        return self;
    }
    rb_funcall(self, rb_intern("oid="), 1, oid);
    rb_funcall(self, rb_intern("value="), 1, value);
    if(argc > 2) rb_funcall(self, rb_intern("critical="), 1, critical);

    return self;
}

Public Instance Methods

critical=(p1) click to toggle source
static VALUE
ossl_x509ext_set_critical(VALUE self, VALUE flag)
{
    X509_EXTENSION *ext;

    GetX509Ext(self, ext);
    X509_EXTENSION_set_critical(ext, RTEST(flag) ? 1 : 0);

    return flag;
}
critical?() click to toggle source
static VALUE
ossl_x509ext_get_critical(VALUE obj)
{
    X509_EXTENSION *ext;

    GetX509Ext(obj, ext);
    return X509_EXTENSION_get_critical(ext) ? Qtrue : Qfalse;
}
oid() click to toggle source
static VALUE
ossl_x509ext_get_oid(VALUE obj)
{
    X509_EXTENSION *ext;
    ASN1_OBJECT *extobj;
    BIO *out;
    VALUE ret;
    int nid;

    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_membio2str(out);
    }

    return ret;
}
oid=(p1) click to toggle source
static VALUE
ossl_x509ext_set_oid(VALUE self, VALUE oid)
{
    X509_EXTENSION *ext;
    ASN1_OBJECT *obj;
    char *s;

    s = StringValuePtr(oid);
    obj = OBJ_txt2obj(s, 0);
    if(!obj) obj = OBJ_txt2obj(s, 1);
    if(!obj) ossl_raise(eX509ExtError, NULL);
    GetX509Ext(self, ext);
    X509_EXTENSION_set_object(ext, obj);

    return oid;
}
to_a() click to toggle source
# File ext/openssl/lib/openssl/x509.rb, line 61
def to_a
  [ self.oid, self.value, self.critical? ]
end
to_der() click to toggle source
static VALUE
ossl_x509ext_to_der(VALUE obj)
{
    X509_EXTENSION *ext;
    unsigned char *p;
    long len;
    VALUE str;

    GetX509Ext(obj, ext);
    if((len = i2d_X509_EXTENSION(ext, NULL)) <= 0)
        ossl_raise(eX509ExtError, NULL);
    str = rb_str_new(0, len);
    p = (unsigned char *)RSTRING_PTR(str);
    if(i2d_X509_EXTENSION(ext, &p) < 0)
        ossl_raise(eX509ExtError, NULL);
    ossl_str_adjust(str, p);

    return str;
}
to_h() click to toggle source
# File ext/openssl/lib/openssl/x509.rb, line 57
def to_h # {"oid"=>sn|ln, "value"=>value, "critical"=>true|false}
  {"oid"=>self.oid,"value"=>self.value,"critical"=>self.critical?}
end
to_s() click to toggle source
# File ext/openssl/lib/openssl/x509.rb, line 50
def to_s # "oid = critical, value"
  str = self.oid
  str << " = "
  str << "critical, " if self.critical?
  str << self.value.gsub(/\n/, ", ")
end
value() click to toggle source
static VALUE
ossl_x509ext_get_value(VALUE obj)
{
    X509_EXTENSION *ext;
    BIO *out;
    VALUE ret;

    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_membio2str(out);

    return ret;
}
value=(p1) click to toggle source
static VALUE
ossl_x509ext_set_value(VALUE self, VALUE data)
{
    X509_EXTENSION *ext;
    ASN1_OCTET_STRING *asn1s;
    char *s;

    data = ossl_to_der_if_possible(data);
    StringValue(data);
    if(!(s = OPENSSL_malloc(RSTRING_LEN(data))))
        ossl_raise(eX509ExtError, "malloc error");
    memcpy(s, RSTRING_PTR(data), RSTRING_LEN(data));
    if(!(asn1s = ASN1_OCTET_STRING_new())){
        OPENSSL_free(s);
        ossl_raise(eX509ExtError, NULL);
    }
    if(!M_ASN1_OCTET_STRING_set(asn1s, s, RSTRING_LENINT(data))){
        OPENSSL_free(s);
        ASN1_OCTET_STRING_free(asn1s);
        ossl_raise(eX509ExtError, NULL);
    }
    OPENSSL_free(s);
    GetX509Ext(self, ext);
    X509_EXTENSION_set_data(ext, asn1s);

    return data;
}