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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsskeys.h"
#include <cstring>
#include <fstream>
#include <iostream>
#include <string>
#include "cert.h"
#include "keyhi.h"
#include "nspr.h"
#include "nss.h"
#include "nssb64.h"
#include "pk11pub.h"
const std::string kPEMBegin = "-----BEGIN ";
const std::string kPEMEnd = "-----END ";
// Read a PEM file, base64 decode it, and return the result.
static bool ReadPEMFile(const std::string& filename, SECItem* item) {
std::ifstream in(filename);
if (in.bad()) return false;
char buf[1024];
in.getline(buf, sizeof(buf));
if (in.bad()) return false;
if (strncmp(buf, kPEMBegin.c_str(), kPEMBegin.size())) return false;
std::string value = "";
for (;;) {
in.getline(buf, sizeof(buf));
if (in.bad()) return false;
if (!strncmp(buf, kPEMEnd.c_str(), kPEMEnd.size())) break;
value += buf;
}
// Now we have a base64-encoded block.
if (!NSSBase64_DecodeBuffer(nullptr, item, value.c_str(), value.size()))
return false;
return true;
}
SECKEYPrivateKey* ReadPrivateKey(const std::string& file) {
SECItem item = {siBuffer, nullptr, 0};
if (!ReadPEMFile(file, &item)) return nullptr;
SECKEYPrivateKey* privkey = NULL;
PK11SlotInfo* slot = PK11_GetInternalSlot();
SECStatus rv = PK11_ImportDERPrivateKeyInfoAndReturnKey(
slot, &item, nullptr, nullptr, PR_FALSE, PR_FALSE,
KU_KEY_ENCIPHERMENT | KU_DATA_ENCIPHERMENT | KU_DIGITAL_SIGNATURE,
&privkey, nullptr);
PK11_FreeSlot(slot);
SECITEM_FreeItem(&item, PR_FALSE);
if (rv != SECSuccess) {
std::cerr << "Couldn't import key " << PORT_ErrorToString(PORT_GetError())
<< "\n";
return nullptr;
}
return privkey;
}
CERTCertificate* ReadCertificate(const std::string& file) {
SECItem item = {siBuffer, nullptr, 0};
if (!ReadPEMFile(file, &item)) return nullptr;
CERTCertificate* cert = CERT_NewTempCertificate(
CERT_GetDefaultCertDB(), &item, NULL, PR_FALSE, PR_TRUE);
SECITEM_FreeItem(&item, PR_FALSE);
return cert;
}
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