#include <libxml++/nodes/element.h>
#include "KM_util.h"
#include "certificates.h"
+#include "compose.hpp"
#include "exceptions.h"
using std::list;
}
+Certificate::Certificate (string const & filename)
+ : _certificate (0)
+{
+ FILE* f = fopen (filename.c_str(), "r");
+ if (!f) {
+ throw FileError ("could not open file", filename);
+ }
+
+ if (!PEM_read_X509 (f, &_certificate, 0, 0)) {
+ throw MiscError ("could not read X509 certificate");
+ }
+}
+
Certificate::~Certificate ()
{
X509_free (_certificate);
string
Certificate::certificate () const
{
+ assert (_certificate);
+
BIO* bio = BIO_new (BIO_s_mem ());
if (!bio) {
throw MiscError ("could not create memory BIO");
string
Certificate::issuer () const
{
- X509_NAME* n = X509_get_issuer_name (_certificate);
- assert (n);
+ assert (_certificate);
+ return name_for_xml (X509_get_issuer_name (_certificate));
+}
- char b[256];
- X509_NAME_oneline (n, b, 256);
- return b;
+string
+Certificate::asn_to_utf8 (ASN1_STRING* s)
+{
+ unsigned char* buf = 0;
+ ASN1_STRING_to_UTF8 (&buf, s);
+ string const u (reinterpret_cast<char *> (buf));
+ OPENSSL_free (buf);
+ return u;
}
string
-Certificate::name_for_xml (string const & n)
+Certificate::get_name_part (X509_NAME* n, int nid)
{
- stringstream x;
+ int p = -1;
+ p = X509_NAME_get_index_by_NID (n, nid, p);
+ assert (p != -1);
+ return asn_to_utf8 (X509_NAME_ENTRY_get_data (X509_NAME_get_entry (n, p)));
+}
- vector<string> p;
- boost::split (p, n, boost::is_any_of ("/"));
- for (vector<string>::const_reverse_iterator i = p.rbegin(); i != p.rend(); ++i) {
- x << *i << ",";
- }
- string s = x.str();
- boost::replace_all (s, "+", "\\+");
+string
+Certificate::name_for_xml (X509_NAME * n)
+{
+ assert (n);
- return s.substr(0, s.length() - 2);
+ string s = String::compose (
+ "dnQualifier=%1,CN=%2,OU=%3,O=%4",
+ get_name_part (n, NID_dnQualifier),
+ get_name_part (n, NID_commonName),
+ get_name_part (n, NID_organizationalUnitName),
+ get_name_part (n, NID_organizationName)
+ );
+
+ boost::replace_all (s, "+", "\\+");
+ return s;
}
string
Certificate::subject () const
{
- X509_NAME* n = X509_get_subject_name (_certificate);
- assert (n);
+ assert (_certificate);
- char b[256];
- X509_NAME_oneline (n, b, 256);
- return b;
+ return name_for_xml (X509_get_subject_name (_certificate));
}
string
Certificate::serial () const
{
+ assert (_certificate);
+
ASN1_INTEGER* s = X509_get_serialNumber (_certificate);
assert (s);
string
Certificate::thumbprint () const
{
+ assert (_certificate);
+
uint8_t buffer[8192];
uint8_t* p = buffer;
i2d_X509_CINF (_certificate->cert_info, &p);
return Kumu::base64encode (digest, 20, digest_base64, 64);
}
-/** @param filename Text file of PEM-format certificates,
- * in the order:
- *
- * 1. self-signed root certificate
- * 2. intermediate certificate signed by root certificate
- * ...
- * n. leaf certificate signed by previous intermediate.
- */
-
-CertificateChain::CertificateChain (string const & filename)
-{
- FILE* f = fopen (filename.c_str(), "r");
- if (!f) {
- throw FileError ("could not open file", filename);
- }
-
- while (1) {
- X509* c = 0;
- if (!PEM_read_X509 (f, &c, 0, 0)) {
- break;
- }
-
- _certificates.push_back (shared_ptr<Certificate> (new Certificate (c)));
- }
-}
-
shared_ptr<Certificate>
CertificateChain::root () const
{
return c;
}
+void
+CertificateChain::add (shared_ptr<Certificate> c)
+{
+ _certificates.push_back (c);
+}