/*
* 'OpenSSL for Ruby' project
* Copyright (C) 2001 Michal Rokos <m.rokos@sh.cvut.cz>
* All rights reserved.
*/
/*
* This program is licensed under the same licence as Ruby.
* (See the file 'LICENCE'.)
*/
#include "ossl.h"
#define NewX509Name(klass) \
TypedData_Wrap_Struct((klass), &ossl_x509name_type, 0)
#define SetX509Name(obj, name) do { \
if (!(name)) { \
ossl_raise(rb_eRuntimeError, "Name wasn't initialized."); \
} \
RTYPEDDATA_DATA(obj) = (name); \
} while (0)
#define GetX509Name(obj, name) do { \
TypedData_Get_Struct((obj), X509_NAME, &ossl_x509name_type, (name)); \
if (!(name)) { \
ossl_raise(rb_eRuntimeError, "Name wasn't initialized."); \
} \
} while (0)
#define OBJECT_TYPE_TEMPLATE \
rb_const_get(cX509Name, rb_intern("OBJECT_TYPE_TEMPLATE"))
#define DEFAULT_OBJECT_TYPE \
rb_const_get(cX509Name, rb_intern("DEFAULT_OBJECT_TYPE"))
/*
* Classes
*/
VALUE cX509Name;
VALUE eX509NameError;
static void
ossl_x509name_free(void *ptr)
{
X509_NAME_free(ptr);
}
static const rb_data_type_t ossl_x509name_type = {
"OpenSSL/X509/NAME",
{
0, ossl_x509name_free,
},
0, 0, RUBY_TYPED_FREE_IMMEDIATELY,
};
/*
* Public
*/
VALUE
ossl_x509name_new(X509_NAME *name)
{
X509_NAME *new;
VALUE obj;
obj = NewX509Name(cX509Name);
if (!name) {
new = X509_NAME_new();
} else {
new = X509_NAME_dup(name);
}
if (!new) {
ossl_raise(eX509NameError, NULL);
}
SetX509Name(obj, new);
return obj;
}
X509_NAME *
GetX509NamePtr(VALUE obj)
{
X509_NAME *name;
GetX509Name(obj, name);
return name;
}
/*
* Private
*/
static VALUE
ossl_x509name_alloc(VALUE klass)
{
X509_NAME *name;
VALUE obj;
obj = NewX509Name(klass);
if (!(name = X509_NAME_new())) {
ossl_raise(eX509NameError, NULL);
}
SetX509Name(obj, name);
return obj;
}
static ID id_aref;
static VALUE ossl_x509name_add_entry(int, VALUE*, VALUE);
#define rb_aref(obj, key) rb_funcall((obj), id_aref, 1, (key))
static VALUE
ossl_x509name_init_i(RB_BLOCK_CALL_FUNC_ARGLIST(i, args))
{
VALUE self = rb_ary_entry(args, 0);
VALUE template = rb_ary_entry(args, 1);
VALUE entry[3];
Check_Type(i, T_ARRAY);
entry[0] = rb_ary_entry(i, 0);
entry[1] = rb_ary_entry(i, 1);
entry[2] = rb_ary_entry(i, 2);
if(NIL_P(entry[2])) entry[2] = rb_aref(template, entry[0]);
if(NIL_P(entry[2])) entry[2] = DEFAULT_OBJECT_TYPE;
ossl_x509name_add_entry(3, entry, self);
return Qnil;
}
/*
* call-seq:
* X509::Name.new => name
* X509::Name.new(der) => name
* X509::Name.new(distinguished_name) => name
* X509::Name.new(distinguished_name, template) => name
*
* 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
*/
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;
}
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;
}
/*
* call-seq:
* name.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.
*/
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;
}
static VALUE
ossl_x509name_to_s_old(VALUE self)
{
X509_NAME *name;
char *buf;
GetX509Name(self, name);
buf = X509_NAME_oneline(name, NULL, 0);
if (!buf)
ossl_raise(eX509NameError, "X509_NAME_oneline");
return ossl_buf2str(buf, rb_long2int(strlen(buf)));
}
static VALUE
x509name_print(VALUE self, unsigned long iflag)
{
X509_NAME *name;
BIO *out;
int ret;
GetX509Name(self, name);
out = BIO_new(BIO_s_mem());
if (!out)
ossl_raise(eX509NameError, NULL);
ret = X509_NAME_print_ex(out, name, 0, iflag);
if (ret < 0 || (iflag == XN_FLAG_COMPAT && ret == 0)) {
BIO_free(out);
ossl_raise(eX509NameError, "X509_NAME_print_ex");
}
return ossl_membio2str(out);
}
/*
* call-seq:
* name.to_s -> string
* name.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
* is used.
*/
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]));
}
/*
* call-seq:
* name.to_utf8 -> string
*
* Returns an UTF-8 representation of the distinguished name, as specified
* in {RFC 2253}[https://www.ietf.org/rfc/rfc2253.txt].
*/
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;
}
/* :nodoc: */
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));
}
/*
* call-seq:
* name.to_a => [[name, data, type], ...]
*
* Returns an Array representation of the distinguished name suitable for
* passing to ::new
*/
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;
}
static int
ossl_x509name_cmp0(VALUE self, VALUE other)
{
X509_NAME *name1, *name2;
GetX509Name(self, name1);
GetX509Name(other, name2);
return X509_NAME_cmp(name1, name2);
}
/*
* call-seq:
* name.cmp(other) -> -1 | 0 | 1 | nil
* name <=> other -> -1 | 0 | 1 | nil
*
* 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).
*/
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);
}
/*
* call-seq:
* name.eql?(other) -> true | false
*
* Returns true if _name_ and _other_ refer to the same hash key.
*/
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;
}
/*
* call-seq:
* name.hash => integer
*
* The hash value returned is suitable for use as a certificate's filename in
* a CA path.
*/
static VALUE
ossl_x509name_hash(VALUE self)
{
X509_NAME *name;
unsigned long hash;
GetX509Name(self, name);
hash = X509_NAME_hash(name);
return ULONG2NUM(hash);
}
/*
* call-seq:
* name.hash_old => integer
*
* Returns an MD5 based hash used in OpenSSL 0.9.X.
*/
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);
}
/*
* call-seq:
* name.to_der => string
*
* Converts the name to DER encoding
*/
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;
}
/*
* Document-class: OpenSSL::X509::Name
*
* 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 '/CN=nobody/DC=example'
*
* name = OpenSSL::X509::Name.new [['CN', 'nobody'], ['DC', 'example']]
*/
void
Init_ossl_x509name(void)
{
#undef rb_intern
VALUE utf8str, ptrstr, ia5str, hash;
#if 0
mOSSL = rb_define_module("OpenSSL");
eOSSLError = rb_define_class_under(mOSSL, "OpenSSLError", rb_eStandardError);
mX509 = rb_define_module_under(mOSSL, "X509");
#endif
id_aref = rb_intern("[]");
eX509NameError = rb_define_class_under(mX509, "NameError", eOSSLError);
cX509Name = rb_define_class_under(mX509, "Name", rb_cObject);
rb_include_module(cX509Name, rb_mComparable);
rb_define_alloc_func(cX509Name, ossl_x509name_alloc);
rb_define_method(cX509Name, "initialize", ossl_x509name_initialize, -1);
rb_define_method(cX509Name, "initialize_copy", ossl_x509name_initialize_copy, 1);
rb_define_method(cX509Name, "add_entry", ossl_x509name_add_entry, -1);
rb_define_method(cX509Name, "to_s", ossl_x509name_to_s, -1);
rb_define_method(cX509Name, "to_utf8", ossl_x509name_to_utf8, 0);
rb_define_method(cX509Name, "inspect", ossl_x509name_inspect, 0);
rb_define_method(cX509Name, "to_a", ossl_x509name_to_a, 0);
rb_define_method(cX509Name, "cmp", ossl_x509name_cmp, 1);
rb_define_alias(cX509Name, "<=>", "cmp");
rb_define_method(cX509Name, "eql?", ossl_x509name_eql, 1);
rb_define_method(cX509Name, "hash", ossl_x509name_hash, 0);
rb_define_method(cX509Name, "hash_old", ossl_x509name_hash_old, 0);
rb_define_method(cX509Name, "to_der", ossl_x509name_to_der, 0);
utf8str = INT2NUM(V_ASN1_UTF8STRING);
ptrstr = INT2NUM(V_ASN1_PRINTABLESTRING);
ia5str = INT2NUM(V_ASN1_IA5STRING);
/*
* The default object type for name entries.
*/
rb_define_const(cX509Name, "DEFAULT_OBJECT_TYPE", utf8str);
hash = rb_hash_new();
RHASH_SET_IFNONE(hash, utf8str);
rb_hash_aset(hash, rb_str_new2("C"), ptrstr);
rb_hash_aset(hash, rb_str_new2("countryName"), ptrstr);
rb_hash_aset(hash, rb_str_new2("serialNumber"), ptrstr);
rb_hash_aset(hash, rb_str_new2("dnQualifier"), ptrstr);
rb_hash_aset(hash, rb_str_new2("DC"), ia5str);
rb_hash_aset(hash, rb_str_new2("domainComponent"), ia5str);
rb_hash_aset(hash, rb_str_new2("emailAddress"), ia5str);
/*
* The default object type template for name entries.
*/
rb_define_const(cX509Name, "OBJECT_TYPE_TEMPLATE", hash);
/*
* A flag for #to_s.
*
* Breaks the name returned into multiple lines if longer than 80
* characters.
*/
rb_define_const(cX509Name, "COMPAT", ULONG2NUM(XN_FLAG_COMPAT));
/*
* A flag for #to_s.
*
* Returns an RFC2253 format name.
*/
rb_define_const(cX509Name, "RFC2253", ULONG2NUM(XN_FLAG_RFC2253));
/*
* A flag for #to_s.
*
* Returns a more readable format than RFC2253.
*/
rb_define_const(cX509Name, "ONELINE", ULONG2NUM(XN_FLAG_ONELINE));
/*
* A flag for #to_s.
*
* Returns a multiline format.
*/
rb_define_const(cX509Name, "MULTILINE", ULONG2NUM(XN_FLAG_MULTILINE));
}