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// Copyright (c) 2010 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "net/base/cert_database.h"
#include <pk11pub.h>
#include <secmod.h>
#include <ssl.h>
#include <nssb64.h> // NSSBase64_EncodeItem()
#include <secder.h> // DER_Encode()
#include <cryptohi.h> // SEC_DerSignData()
#include <keyhi.h> // SECKEY_CreateSubjectPublicKeyInfo()
#include "base/logging.h"
#include "base/nss_util.h"
#include "base/scoped_ptr.h"
#include "net/base/net_errors.h"
#include "net/base/x509_certificate.h"
#include "net/third_party/mozilla_security_manager/nsPKCS12Blob.h"
// PSM = Mozilla's Personal Security Manager.
namespace psm = mozilla_security_manager;
namespace net {
CertDatabase::CertDatabase() {
base::EnsureNSSInit();
psm::EnsurePKCS12Init();
}
int CertDatabase::CheckUserCert(X509Certificate* cert_obj) {
if (!cert_obj)
return ERR_CERT_INVALID;
if (cert_obj->HasExpired())
return ERR_CERT_DATE_INVALID;
// Check if the private key corresponding to the certificate exist
// We shouldn't accept any random client certificate sent by a CA.
// Note: The NSS source documentation wrongly suggests that this
// also imports the certificate if the private key exists. This
// doesn't seem to be the case.
CERTCertificate* cert = cert_obj->os_cert_handle();
PK11SlotInfo* slot = PK11_KeyForCertExists(cert, NULL, NULL);
if (!slot) {
LOG(ERROR) << "No corresponding private key in store";
return ERR_NO_PRIVATE_KEY_FOR_CERT;
}
PK11_FreeSlot(slot);
return OK;
}
int CertDatabase::AddUserCert(X509Certificate* cert_obj) {
CERTCertificate* cert = cert_obj->os_cert_handle();
PK11SlotInfo* slot = NULL;
std::string nickname;
// Create a nickname for this certificate.
// We use the scheme used by Firefox:
// --> <subject's common name>'s <issuer's common name> ID.
std::string username, ca_name;
char* temp_username = CERT_GetCommonName(&cert->subject);
char* temp_ca_name = CERT_GetCommonName(&cert->issuer);
if (temp_username) {
username = temp_username;
PORT_Free(temp_username);
}
if (temp_ca_name) {
ca_name = temp_ca_name;
PORT_Free(temp_ca_name);
}
nickname = username + "'s " + ca_name + " ID";
{
base::AutoNSSWriteLock lock;
slot = PK11_ImportCertForKey(cert,
const_cast<char*>(nickname.c_str()),
NULL);
}
if (!slot) {
LOG(ERROR) << "Couldn't import user certificate.";
return ERR_ADD_USER_CERT_FAILED;
}
PK11_FreeSlot(slot);
return OK;
}
int CertDatabase::ImportFromPKCS12(
const std::string& data, const string16& password) {
return psm::nsPKCS12Blob_Import(data.data(), data.size(), password);
}
int CertDatabase::ExportToPKCS12(
const CertificateList& certs,
const string16& password,
std::string* output) {
return psm::nsPKCS12Blob_Export(output, certs, password);
}
} // namespace net
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