Class: OpenSSL::X509::Name

Inherits:
Object show all
Includes:
Comparable, Marshal
Defined in:
ext/openssl/ossl_x509name.c,
ext/openssl/ossl_x509name.c,
ext/openssl/lib/openssl/x509.rb

Overview

An X.509 name represents a hostname, email address or other entity associated with a public key.

You can create a Name by parsing a distinguished name String or by supplying the distinguished name as an Array.

name = OpenSSL::X509::Name.parse_rfc2253 'DC=example,CN=nobody'

name = OpenSSL::X509::Name.new [['CN', 'nobody'], ['DC', 'example']]

Defined Under Namespace

Modules: RFC2253DN

Constant Summary collapse

DEFAULT_OBJECT_TYPE =

The default object type for name entries.

utf8str
OBJECT_TYPE_TEMPLATE =

The default object type template for name entries.

hash
COMPAT =

A flag for #to_s.

Breaks the name returned into multiple lines if longer than 80 characters.

ULONG2NUM(XN_FLAG_COMPAT)
RFC2253 =

A flag for #to_s.

Returns an RFC2253 format name.

ULONG2NUM(XN_FLAG_RFC2253)
ONELINE =

A flag for #to_s.

Returns a more readable format than RFC2253.

ULONG2NUM(XN_FLAG_ONELINE)
MULTILINE =

A flag for #to_s.

Returns a multiline format.

ULONG2NUM(XN_FLAG_MULTILINE)

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Marshal

#_dump, included

Constructor Details

#X509::Name.new ⇒ Object #X509::Name.new(der) ⇒ Object #X509::Name.new(distinguished_name) ⇒ Object #X509::Name.new(distinguished_name, template) ⇒ Object

Creates a new Name.

A name may be created from a DER encoded string der, an Array representing a distinguished_name or a distinguished_name along with a template.

name = OpenSSL::X509::Name.new [['CN', 'nobody'], ['DC', 'example']]

name = OpenSSL::X509::Name.new name.to_der

See add_entry for a description of the distinguished_name Array’s contents



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# File 'ext/openssl/ossl_x509name.c', line 145

static VALUE
ossl_x509name_initialize(int argc, VALUE *argv, VALUE self)
{
    X509_NAME *name;
    VALUE arg, template;

    GetX509Name(self, name);
    if (rb_scan_args(argc, argv, "02", &arg, &template) == 0) {
	return self;
    }
    else {
	VALUE tmp = rb_check_array_type(arg);
	if (!NIL_P(tmp)) {
	    VALUE args;
	    if(NIL_P(template)) template = OBJECT_TYPE_TEMPLATE;
	    args = rb_ary_new3(2, self, template);
	    rb_block_call(tmp, rb_intern("each"), 0, 0, ossl_x509name_init_i, args);
	}
	else{
	    const unsigned char *p;
	    VALUE str = ossl_to_der_if_possible(arg);
	    X509_NAME *x;
	    StringValue(str);
	    p = (unsigned char *)RSTRING_PTR(str);
	    x = d2i_X509_NAME(&name, &p, RSTRING_LEN(str));
	    DATA_PTR(self) = name;
	    if(!x){
		ossl_raise(eX509NameError, NULL);
	    }
	}
    }

    return self;
}

Class Method Details

.parse_openssl(str, template = OBJECT_TYPE_TEMPLATE) ⇒ Object Also known as: parse

Parses the string representation of a distinguished name. Two different forms are supported:

  • OpenSSL format (X509_NAME_oneline()) used by #to_s. For example: /DC=com/DC=example/CN=nobody

  • OpenSSL format (X509_NAME_print()) used by #to_s(OpenSSL::X509::Name::COMPAT). For example: DC=com, DC=example, CN=nobody

Neither of them is standardized and has quirks and inconsistencies in handling of escaped characters or multi-valued RDNs.

Use of this method is discouraged in new applications. See Name.parse_rfc2253 and #to_utf8 for the alternative.



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# File 'ext/openssl/lib/openssl/x509.rb', line 305

def parse_openssl(str, template=OBJECT_TYPE_TEMPLATE)
  if str.start_with?("/")
    # /A=B/C=D format
    ary = str[1..-1].split("/").map { |i| i.split("=", 2) }
  else
    # Comma-separated
    ary = str.split(",").map { |i| i.strip.split("=", 2) }
  end
  self.new(ary, template)
end

.parse_rfc2253(str, template = OBJECT_TYPE_TEMPLATE) ⇒ Object

Parses the UTF-8 string representation of a distinguished name, according to RFC 2253.

See also #to_utf8 for the opposite operation.



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# File 'ext/openssl/lib/openssl/x509.rb', line 286

def parse_rfc2253(str, template=OBJECT_TYPE_TEMPLATE)
  ary = OpenSSL::X509::Name::RFC2253DN.scan(str)
  self.new(ary, template)
end

Instance Method Details

#add_entry(oid, value[, type], loc: -1, set: 0) ⇒ self

Adds a new entry with the given oid and value to this name. The oid is an object identifier defined in ASN.1. Some common OIDs are:

C

Country Name

CN

Common Name

DC

Domain Component

O

Organization Name

OU

Organizational Unit Name

ST

State or Province Name

The optional keyword parameters loc and set specify where to insert the new attribute. Refer to the manpage of X509_NAME_add_entry(3) for details. loc defaults to -1 and set defaults to 0. This appends a single-valued RDN to the end.

Returns:

  • (self) 


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# File 'ext/openssl/ossl_x509name.c', line 218

static
VALUE ossl_x509name_add_entry(int argc, VALUE *argv, VALUE self)
{
    X509_NAME *name;
    VALUE oid, value, type, opts, kwargs[2];
    static ID kwargs_ids[2];
    const char *oid_name;
    int loc = -1, set = 0;

    if (!kwargs_ids[0]) {
	kwargs_ids[0] = rb_intern_const("loc");
	kwargs_ids[1] = rb_intern_const("set");
    }
    rb_scan_args(argc, argv, "21:", &oid, &value, &type, &opts);
    rb_get_kwargs(opts, kwargs_ids, 0, 2, kwargs);
    oid_name = StringValueCStr(oid);
    StringValue(value);
    if(NIL_P(type)) type = rb_aref(OBJECT_TYPE_TEMPLATE, oid);
    if (kwargs[0] != Qundef)
	loc = NUM2INT(kwargs[0]);
    if (kwargs[1] != Qundef)
	set = NUM2INT(kwargs[1]);
    GetX509Name(self, name);
    if (!X509_NAME_add_entry_by_txt(name, oid_name, NUM2INT(type),
				    (unsigned char *)RSTRING_PTR(value),
				    RSTRING_LENINT(value), loc, set))
	ossl_raise(eX509NameError, "X509_NAME_add_entry_by_txt");
    return self;
}

#cmp(other) ⇒ -1 | 0 | 1 | nil #<=>(other) ⇒ -1 | 0 | 1 | nil Also known as: <=>

Compares this Name with other and returns 0 if they are the same and -1 or +1 if they are greater or less than each other respectively. Returns nil if they are not comparable (i.e. different types).

Overloads:

  • #cmp(other) ⇒ -1 | 0 | 1 | nil

    Returns:

    • (-1 | 0 | 1 | nil)
  • #<=>(other) ⇒ -1 | 0 | 1 | nil

    Returns:

    • (-1 | 0 | 1 | nil) 


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# File 'ext/openssl/ossl_x509name.c', line 404

static VALUE
ossl_x509name_cmp(VALUE self, VALUE other)
{
    int result;

    if (!rb_obj_is_kind_of(other, cX509Name))
	return Qnil;

    result = ossl_x509name_cmp0(self, other);
    if (result < 0) return INT2FIX(-1);
    if (result > 0) return INT2FIX(1);

    return INT2FIX(0);
}

#eql?(other) ⇒ Boolean

Returns true if name and other refer to the same hash key.

Returns:

  • (Boolean) 


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# File 'ext/openssl/ossl_x509name.c', line 425

static VALUE
ossl_x509name_eql(VALUE self, VALUE other)
{
    if (!rb_obj_is_kind_of(other, cX509Name))
	return Qfalse;

    return ossl_x509name_cmp0(self, other) == 0 ? Qtrue : Qfalse;
}

#hash ⇒ Integer

The hash value returned is suitable for use as a certificate’s filename in a CA path.

Returns:



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# File 'ext/openssl/ossl_x509name.c', line 441

static VALUE
ossl_x509name_hash(VALUE self)
{
    X509_NAME *name;
    unsigned long hash;

    GetX509Name(self, name);

    hash = X509_NAME_hash(name);

    return ULONG2NUM(hash);
}

#hash_old ⇒ Integer

Returns an MD5 based hash used in OpenSSL 0.9.X.

Returns:



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# File 'ext/openssl/ossl_x509name.c', line 460

static VALUE
ossl_x509name_hash_old(VALUE self)
{
    X509_NAME *name;
    unsigned long hash;

    GetX509Name(self, name);

    hash = X509_NAME_hash_old(name);

    return ULONG2NUM(hash);
}

#initialize_copy(other) ⇒ Object 



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# File 'ext/openssl/ossl_x509name.c', line 180

static VALUE
ossl_x509name_initialize_copy(VALUE self, VALUE other)
{
    X509_NAME *name, *name_other, *name_new;

    rb_check_frozen(self);
    GetX509Name(self, name);
    GetX509Name(other, name_other);

    name_new = X509_NAME_dup(name_other);
    if (!name_new)
	ossl_raise(eX509NameError, "X509_NAME_dup");

    SetX509Name(self, name_new);
    X509_NAME_free(name);

    return self;
}

#inspect ⇒ Object

:nodoc:



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# File 'ext/openssl/ossl_x509name.c', line 330

static VALUE
ossl_x509name_inspect(VALUE self)
{
    return rb_enc_sprintf(rb_utf8_encoding(), "#<%"PRIsVALUE" %"PRIsVALUE">",
			  rb_obj_class(self), ossl_x509name_to_utf8(self));
}

#pretty_print(q) ⇒ Object 



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# File 'ext/openssl/lib/openssl/x509.rb', line 319

def pretty_print(q)
  q.object_group(self) {
    q.text ' '
    q.text to_s(OpenSSL::X509::Name::RFC2253)
  }
end

#to_a ⇒ Array

Returns an Array representation of the distinguished name suitable for passing to ::new

Returns:



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# File 'ext/openssl/ossl_x509name.c', line 344

static VALUE
ossl_x509name_to_a(VALUE self)
{
    X509_NAME *name;
    X509_NAME_ENTRY *entry;
    int i,entries,nid;
    char long_name[512];
    const char *short_name;
    VALUE ary, vname, ret;
    ASN1_STRING *value;

    GetX509Name(self, name);
    entries = X509_NAME_entry_count(name);
    if (entries < 0) {
	OSSL_Debug("name entries < 0!");
	return rb_ary_new();
    }
    ret = rb_ary_new2(entries);
    for (i=0; i<entries; i++) {
	if (!(entry = X509_NAME_get_entry(name, i))) {
	    ossl_raise(eX509NameError, NULL);
	}
	if (!i2t_ASN1_OBJECT(long_name, sizeof(long_name),
			     X509_NAME_ENTRY_get_object(entry))) {
	    ossl_raise(eX509NameError, NULL);
	}
	nid = OBJ_ln2nid(long_name);
	if (nid == NID_undef) {
	    vname = rb_str_new2((const char *) &long_name);
	} else {
	    short_name = OBJ_nid2sn(nid);
	    vname = rb_str_new2(short_name); /*do not free*/
	}
	value = X509_NAME_ENTRY_get_data(entry);
	ary = rb_ary_new3(3, vname, asn1str_to_str(value), INT2NUM(value->type));
	rb_ary_push(ret, ary);
    }
    return ret;
}

#to_der ⇒ String

Converts the name to DER encoding

Returns:



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# File 'ext/openssl/ossl_x509name.c', line 479

static VALUE
ossl_x509name_to_der(VALUE self)
{
    X509_NAME *name;
    VALUE str;
    long len;
    unsigned char *p;

    GetX509Name(self, name);
    if((len = i2d_X509_NAME(name, NULL)) <= 0)
	ossl_raise(eX509NameError, NULL);
    str = rb_str_new(0, len);
    p = (unsigned char *)RSTRING_PTR(str);
    if(i2d_X509_NAME(name, &p) <= 0)
	ossl_raise(eX509NameError, NULL);
    ossl_str_adjust(str, p);

    return str;
}

#to_s ⇒ String #to_s(format) ⇒ String

Returns a String representation of the Distinguished Name. format is one of:

  • OpenSSL::X509::Name::COMPAT

  • OpenSSL::X509::Name::RFC2253

  • OpenSSL::X509::Name::ONELINE

  • OpenSSL::X509::Name::MULTILINE

If format is omitted, the largely broken and traditional OpenSSL format (X509_NAME_oneline() format) is chosen.

Use of this method is discouraged. None of the formats other than OpenSSL::X509::Name::RFC2253 is standardized and may show an inconsistent behavior through OpenSSL versions.

It is recommended to use #to_utf8 instead, which is equivalent to calling name.to_s(OpenSSL::X509::Name::RFC2253).force_encoding("UTF-8").

Overloads:



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# File 'ext/openssl/ossl_x509name.c', line 303

static VALUE
ossl_x509name_to_s(int argc, VALUE *argv, VALUE self)
{
    rb_check_arity(argc, 0, 1);
    /* name.to_s(nil) was allowed */
    if (!argc || NIL_P(argv[0]))
	return ossl_x509name_to_s_old(self);
    else
	return x509name_print(self, NUM2ULONG(argv[0]));
}

#to_utf8 ⇒ String

Returns an UTF-8 representation of the distinguished name, as specified in RFC 2253.

Returns:



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# File 'ext/openssl/ossl_x509name.c', line 321

static VALUE
ossl_x509name_to_utf8(VALUE self)
{
    VALUE str = x509name_print(self, XN_FLAG_RFC2253 & ~ASN1_STRFLGS_ESC_MSB);
    rb_enc_associate_index(str, rb_utf8_encindex());
    return str;
}