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ruby/ext/openssl/ossl_x509name.c

511 строки
12 KiB
C
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/*
* $Id$
* 'OpenSSL for Ruby' project
* Copyright (C) 2001 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 WrapX509Name(klass, obj, name) do { \
if (!(name)) { \
ossl_raise(rb_eRuntimeError, "Name wasn't initialized."); \
} \
(obj) = Data_Wrap_Struct((klass), 0, X509_NAME_free, (name)); \
} while (0)
#define GetX509Name(obj, name) do { \
Data_Get_Struct((obj), X509_NAME, (name)); \
if (!(name)) { \
ossl_raise(rb_eRuntimeError, "Name wasn't initialized."); \
} \
} while (0)
#define SafeGetX509Name(obj, name) do { \
OSSL_Check_Kind((obj), cX509Name); \
GetX509Name((obj), (name)); \
} 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;
/*
* Public
*/
VALUE
ossl_x509name_new(X509_NAME *name)
{
X509_NAME *new;
VALUE obj;
if (!name) {
new = X509_NAME_new();
} else {
new = X509_NAME_dup(name);
}
if (!new) {
ossl_raise(eX509NameError, NULL);
}
WrapX509Name(cX509Name, obj, new);
return obj;
}
X509_NAME *
GetX509NamePtr(VALUE obj)
{
X509_NAME *name;
SafeGetX509Name(obj, name);
return name;
}
/*
* Private
*/
static VALUE
ossl_x509name_alloc(VALUE klass)
{
X509_NAME *name;
VALUE obj;
if (!(name = X509_NAME_new())) {
ossl_raise(eX509NameError, NULL);
}
WrapX509Name(klass, 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;
}
/*
* call-seq:
* name.add_entry(oid, value [, type]) => 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
*/
static
VALUE ossl_x509name_add_entry(int argc, VALUE *argv, VALUE self)
{
X509_NAME *name;
VALUE oid, value, type;
const char *oid_name;
rb_scan_args(argc, argv, "21", &oid, &value, &type);
oid_name = StringValueCStr(oid);
StringValue(value);
if(NIL_P(type)) type = rb_aref(OBJECT_TYPE_TEMPLATE, oid);
GetX509Name(self, name);
if (!X509_NAME_add_entry_by_txt(name, oid_name, NUM2INT(type),
(const unsigned char *)RSTRING_PTR(value), RSTRING_LENINT(value), -1, 0)) {
ossl_raise(eX509NameError, NULL);
}
return self;
}
static VALUE
ossl_x509name_to_s_old(VALUE self)
{
X509_NAME *name;
char *buf;
VALUE str;
GetX509Name(self, name);
buf = X509_NAME_oneline(name, NULL, 0);
str = rb_str_new2(buf);
OPENSSL_free(buf);
return str;
}
/*
* call-seq:
* name.to_s => string
* name.to_s(flags) => string
*
* Returns this name as a Distinguished Name string. +flags+ may be one of:
*
* * OpenSSL::X509::Name::COMPAT
* * OpenSSL::X509::Name::RFC2253
* * OpenSSL::X509::Name::ONELINE
* * OpenSSL::X509::Name::MULTILINE
*/
static VALUE
ossl_x509name_to_s(int argc, VALUE *argv, VALUE self)
{
X509_NAME *name;
VALUE flag, str;
BIO *out;
unsigned long iflag;
rb_scan_args(argc, argv, "01", &flag);
if (NIL_P(flag))
return ossl_x509name_to_s_old(self);
else iflag = NUM2ULONG(flag);
if (!(out = BIO_new(BIO_s_mem())))
ossl_raise(eX509NameError, NULL);
GetX509Name(self, name);
if (!X509_NAME_print_ex(out, name, 0, iflag)){
BIO_free(out);
ossl_raise(eX509NameError, NULL);
}
str = ossl_membio2str(out);
return str;
}
/*
* 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;
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), entry->object)) {
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*/
}
ary = rb_ary_new3(3,
vname,
rb_str_new((const char *)entry->value->data, entry->value->length),
INT2FIX(entry->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);
SafeGetX509Name(other, name2);
return X509_NAME_cmp(name1, name2);
}
/*
* call-seq:
* name.cmp other => integer
* name.<=> other => integer
*
* 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.
*/
static VALUE
ossl_x509name_cmp(VALUE self, VALUE other)
{
int result;
result = ossl_x509name_cmp0(self, other);
if (result < 0) return INT2FIX(-1);
if (result > 1) return INT2FIX(1);
return INT2FIX(0);
}
/*
* call-seq:
* name.eql? other => boolean
*
* Returns true if +name+ and +other+ refer to the same hash key.
*/
static VALUE
ossl_x509name_eql(VALUE self, VALUE other)
{
int result;
if(CLASS_OF(other) != cX509Name) return Qfalse;
result = ossl_x509name_cmp0(self, other);
return (result == 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);
}
#ifdef HAVE_X509_NAME_HASH_OLD
/*
* 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);
}
#endif
/*
* 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()
{
VALUE utf8str, ptrstr, ia5str, hash;
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, "add_entry", ossl_x509name_add_entry, -1);
rb_define_method(cX509Name, "to_s", ossl_x509name_to_s, -1);
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);
#ifdef HAVE_X509_NAME_HASH_OLD
rb_define_method(cX509Name, "hash_old", ossl_x509name_hash_old, 0);
#endif
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);
/* Document-const: DEFAULT_OBJECT_TYPE
*
* 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);
/* Document-const: OBJECT_TYPE_TEMPLATE
*
* The default object type template for name entries.
*/
rb_define_const(cX509Name, "OBJECT_TYPE_TEMPLATE", hash);
/* Document-const: COMPAT
*
* 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));
/* Document-const: RFC2253
*
* A flag for #to_s.
*
* Returns an RFC2253 format name.
*/
rb_define_const(cX509Name, "RFC2253", ULONG2NUM(XN_FLAG_RFC2253));
/* Document-const: ONELINE
*
* A flag for #to_s.
*
* Returns a more readable format than RFC2253.
*/
rb_define_const(cX509Name, "ONELINE", ULONG2NUM(XN_FLAG_ONELINE));
/* Document-const: MULTILINE
*
* A flag for #to_s.
*
* Returns a multiline format.
*/
rb_define_const(cX509Name, "MULTILINE", ULONG2NUM(XN_FLAG_MULTILINE));
}
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