Class: OpenSSL::X509::Attribute (Ruby 2.5.7)
Description: Class : OpenSSL::X509::Attribute - Ruby 2.5.7

### Home Classes Methods

### In Files

- openssl/lib/openssl/x509.rb
- openssl/ossl_x509attr.c

### Parent

Object

### Methods

- ::new
- #==
- #initialize_copy
- #oid
- #oid=
- #to_der
- #value
- #value=

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# OpenSSL::X509::Attribute

### Public Class Methods

new(oid [, value]) => attr click to toggle source

                   static VALUE
    ossl_x509attr_initialize(int argc, VALUE *argv, VALUE self)
    {
        VALUE oid, value;
        X509_ATTRIBUTE *attr, *x;
        const unsigned char *p;

        GetX509Attr(self, attr);
        if(rb_scan_args(argc, argv, "11", &oid, &value) == 1){
            oid = ossl_to_der_if_possible(oid);
            StringValue(oid);
            p = (unsigned char *)RSTRING_PTR(oid);
            x = d2i_X509_ATTRIBUTE(&attr, &p, RSTRING_LEN(oid));
            DATA_PTR(self) = attr;
            if(!x){
                ossl_raise(eX509AttrError, NULL);
            }
            return self;
        }
        rb_funcall(self, rb_intern("oid="), 1, oid);
        rb_funcall(self, rb_intern("value="), 1, value);

        return self;
    }

### Public Instance Methods

==(other) click to toggle source

                   # File openssl/lib/openssl/x509.rb, line 169
    def ==(other)
      return false unless Attribute === other
      to_der == other.to_der
    end

initialize_copy(p1) click to toggle source

                   static VALUE
    ossl_x509attr_initialize_copy(VALUE self, VALUE other)
    {
        X509_ATTRIBUTE *attr, *attr_other, *attr_new;

        rb_check_frozen(self);
        GetX509Attr(self, attr);
        GetX509Attr(other, attr_other);

        attr_new = X509_ATTRIBUTE_dup(attr_other);
        if (!attr_new)
            ossl_raise(eX509AttrError, "X509_ATTRIBUTE_dup");

        SetX509Attr(self, attr_new);
        X509_ATTRIBUTE_free(attr);

        return self;
    }

oid => string click to toggle source

                   static VALUE
    ossl_x509attr_get_oid(VALUE self)
    {
        X509_ATTRIBUTE *attr;
        ASN1_OBJECT *oid;
        BIO *out;
        VALUE ret;
        int nid;

        GetX509Attr(self, attr);
        oid = X509_ATTRIBUTE_get0_object(attr);
        if ((nid = OBJ_obj2nid(oid)) != NID_undef)
            ret = rb_str_new2(OBJ_nid2sn(nid));
        else{
            if (!(out = BIO_new(BIO_s_mem())))
                ossl_raise(eX509AttrError, NULL);
            i2a_ASN1_OBJECT(out, oid);
            ret = ossl_membio2str(out);
        }

        return ret;
    }

oid = string => string click to toggle source

                   static VALUE
    ossl_x509attr_set_oid(VALUE self, VALUE oid)
    {
        X509_ATTRIBUTE *attr;
        ASN1_OBJECT *obj;
        char *s;

        GetX509Attr(self, attr);
        s = StringValueCStr(oid);
        obj = OBJ_txt2obj(s, 0);
        if(!obj) ossl_raise(eX509AttrError, NULL);
        if (!X509_ATTRIBUTE_set1_object(attr, obj)) {
            ASN1_OBJECT_free(obj);
            ossl_raise(eX509AttrError, "X509_ATTRIBUTE_set1_object");
        }
        ASN1_OBJECT_free(obj);

        return oid;
    }

to_der => string click to toggle source

                   static VALUE
    ossl_x509attr_to_der(VALUE self)
    {
        X509_ATTRIBUTE *attr;
        VALUE str;
        int len;
        unsigned char *p;

        GetX509Attr(self, attr);
        if((len = i2d_X509_ATTRIBUTE(attr, NULL)) <= 0)
            ossl_raise(eX509AttrError, NULL);
        str = rb_str_new(0, len);
        p = (unsigned char *)RSTRING_PTR(str);
        if(i2d_X509_ATTRIBUTE(attr, &p) <= 0)
            ossl_raise(eX509AttrError, NULL);
        ossl_str_adjust(str, p);

        return str;
    }

value => asn1 click to toggle source

                   static VALUE
    ossl_x509attr_get_value(VALUE self)
    {
        X509_ATTRIBUTE *attr;
        STACK_OF(ASN1_TYPE) *sk;
        VALUE str;
        int i, count, len;
        unsigned char *p;

        GetX509Attr(self, attr);
        /* there is no X509_ATTRIBUTE_get0_set() :( */
        if (!(sk = sk_ASN1_TYPE_new_null()))
            ossl_raise(eX509AttrError, "sk_new");

        count = X509_ATTRIBUTE_count(attr);
        for (i = 0; i < count; i++)
            sk_ASN1_TYPE_push(sk, X509_ATTRIBUTE_get0_type(attr, i));

        if ((len = i2d_ASN1_SET_ANY(sk, NULL)) <= 0) {
            sk_ASN1_TYPE_free(sk);
            ossl_raise(eX509AttrError, NULL);
        }
        str = rb_str_new(0, len);
        p = (unsigned char *)RSTRING_PTR(str);
        if (i2d_ASN1_SET_ANY(sk, &p) <= 0) {
            sk_ASN1_TYPE_free(sk);
            ossl_raise(eX509AttrError, NULL);
        }
        ossl_str_adjust(str, p);
        sk_ASN1_TYPE_free(sk);

        return rb_funcall(mASN1, rb_intern("decode"), 1, str);
    }

value = asn1 => asn1 click to toggle source

                   static VALUE
    ossl_x509attr_set_value(VALUE self, VALUE value)
    {
        X509_ATTRIBUTE *attr;
        VALUE asn1_value;
        int i, asn1_tag;

        OSSL_Check_Kind(value, cASN1Data);
        asn1_tag = NUM2INT(rb_attr_get(value, rb_intern("@tag")));
        asn1_value = rb_attr_get(value, rb_intern("@value"));
        if (asn1_tag != V_ASN1_SET)
            ossl_raise(eASN1Error, "argument must be ASN1::Set");
        if (!RB_TYPE_P(asn1_value, T_ARRAY))
            ossl_raise(eASN1Error, "ASN1::Set has non-array value");

        GetX509Attr(self, attr);
        if (X509_ATTRIBUTE_count(attr)) { /* populated, reset first */
            ASN1_OBJECT *obj = X509_ATTRIBUTE_get0_object(attr);
            X509_ATTRIBUTE *new_attr = X509_ATTRIBUTE_create_by_OBJ(NULL, obj, 0, NULL, -1);
            if (!new_attr)
                ossl_raise(eX509AttrError, NULL);
            SetX509Attr(self, new_attr);
            X509_ATTRIBUTE_free(attr);
            attr = new_attr;
        }

        for (i = 0; i < RARRAY_LEN(asn1_value); i++) {
            ASN1_TYPE *a1type = ossl_asn1_get_asn1type(RARRAY_AREF(asn1_value, i));
            if (!X509_ATTRIBUTE_set1_data(attr, ASN1_TYPE_get(a1type),
                                          a1type->value.ptr, -1)) {
                ASN1_TYPE_free(a1type);
                ossl_raise(eX509AttrError, NULL);
            }
            ASN1_TYPE_free(a1type);
        }

        return value;
    }