nstool/src/EsCertProcess.cpp
2021-10-16 16:00:17 +08:00

228 lines
7 KiB
C++

#include "EsCertProcess.h"
#include "PkiValidator.h"
#include "util.h"
#include <nn/pki/SignUtils.h>
nstool::EsCertProcess::EsCertProcess() :
mModuleName("nstool::EsCertProcess"),
mFile(),
mCliOutputMode(true, false, false, false),
mVerify(false)
{
}
void nstool::EsCertProcess::process()
{
importCerts();
if (mVerify)
validateCerts();
if (mCliOutputMode.show_basic_info)
displayCerts();
}
void nstool::EsCertProcess::setInputFile(const std::shared_ptr<tc::io::IStream>& file)
{
mFile = file;
}
void nstool::EsCertProcess::setKeyCfg(const KeyBag& keycfg)
{
mKeyCfg = keycfg;
}
void nstool::EsCertProcess::setCliOutputMode(CliOutputMode mode)
{
mCliOutputMode = mode;
}
void nstool::EsCertProcess::setVerifyMode(bool verify)
{
mVerify = verify;
}
void nstool::EsCertProcess::importCerts()
{
if (mFile == nullptr)
{
throw tc::Exception(mModuleName, "No file reader set.");
}
if (mFile->canRead() == false || mFile->canSeek() == false)
{
throw tc::NotSupportedException(mModuleName, "Input stream requires read/seek permissions.");
}
// check if file_size is greater than 20MB, don't import.
size_t file_size = tc::io::IOUtil::castInt64ToSize(mFile->length());
if (file_size > (0x100000 * 20))
{
throw tc::Exception(mModuleName, "File too large.");
}
// import certs
tc::ByteData scratch = tc::ByteData(file_size);
mFile->seek(0, tc::io::SeekOrigin::Begin);
mFile->read(scratch.data(), scratch.size());
nn::pki::SignedData<nn::pki::CertificateBody> cert;
for (size_t f_pos = 0; f_pos < scratch.size(); f_pos += cert.getBytes().size())
{
cert.fromBytes(scratch.data() + f_pos, scratch.size() - f_pos);
mCert.push_back(cert);
}
}
void nstool::EsCertProcess::validateCerts()
{
PkiValidator pki;
try
{
pki.setKeyCfg(mKeyCfg);
pki.addCertificates(mCert);
}
catch (const tc::Exception& e)
{
fmt::print("[WARNING] {}\n", e.error());
return;
}
}
void nstool::EsCertProcess::displayCerts()
{
for (size_t i = 0; i < mCert.size(); i++)
{
displayCert(mCert[i]);
}
}
void nstool::EsCertProcess::displayCert(const nn::pki::SignedData<nn::pki::CertificateBody>& cert)
{
fmt::print("[ES Certificate]\n");
fmt::print(" SignType {:s}", getSignTypeStr(cert.getSignature().getSignType()));
if (mCliOutputMode.show_extended_info)
fmt::print(" (0x{:x}) ({:s})", cert.getSignature().getSignType(), getEndiannessStr(cert.getSignature().isLittleEndian()));
fmt::print("\n");
fmt::print(" Issuer: {:s}\n", cert.getBody().getIssuer());
fmt::print(" Subject: {:s}\n", cert.getBody().getSubject());
fmt::print(" PublicKeyType: {:s}", getPublicKeyTypeStr(cert.getBody().getPublicKeyType()));
if (mCliOutputMode.show_extended_info)
fmt::print(" ({:d})", cert.getBody().getPublicKeyType());
fmt::print("\n");
fmt::print(" CertID: 0x{:x}\n", cert.getBody().getCertId());
if (cert.getBody().getPublicKeyType() == nn::pki::cert::RSA4096)
{
fmt::print(" PublicKey:\n");
if (mCliOutputMode.show_extended_info)
{
fmt::print(" Modulus:\n");
fmt::print(" {:s}", tc::cli::FormatUtil::formatBytesAsStringWithLineLimit(cert.getBody().getRsa4096PublicKey().n.data(), cert.getBody().getRsa4096PublicKey().n.size(), true, "", 0x10, 6, false));
fmt::print(" Public Exponent:\n");
fmt::print(" {:s}", tc::cli::FormatUtil::formatBytesAsStringWithLineLimit(cert.getBody().getRsa4096PublicKey().e.data(), cert.getBody().getRsa4096PublicKey().e.size(), true, "", 0x10, 6, false));
}
else
{
fmt::print(" Modulus:\n");
fmt::print(" {:s}\n", getTruncatedBytesString(cert.getBody().getRsa4096PublicKey().n.data(), cert.getBody().getRsa4096PublicKey().n.size()));
fmt::print(" Public Exponent:\n");
fmt::print(" {:s}\n", getTruncatedBytesString(cert.getBody().getRsa4096PublicKey().e.data(), cert.getBody().getRsa4096PublicKey().e.size()));
}
}
else if (cert.getBody().getPublicKeyType() == nn::pki::cert::RSA2048)
{
fmt::print(" PublicKey:\n");
if (mCliOutputMode.show_extended_info)
{
fmt::print(" Modulus:\n");
fmt::print(" {:s}", tc::cli::FormatUtil::formatBytesAsStringWithLineLimit(cert.getBody().getRsa2048PublicKey().n.data(), cert.getBody().getRsa2048PublicKey().n.size(), true, "", 0x10, 6, false));
fmt::print(" Public Exponent:\n");
fmt::print(" {:s}", tc::cli::FormatUtil::formatBytesAsStringWithLineLimit(cert.getBody().getRsa2048PublicKey().e.data(), cert.getBody().getRsa2048PublicKey().e.size(), true, "", 0x10, 6, false));
}
else
{
fmt::print(" Modulus:\n");
fmt::print(" {:s}\n", getTruncatedBytesString(cert.getBody().getRsa2048PublicKey().n.data(), cert.getBody().getRsa2048PublicKey().n.size()));
fmt::print(" Public Exponent:\n");
fmt::print(" {:s}\n", getTruncatedBytesString(cert.getBody().getRsa2048PublicKey().e.data(), cert.getBody().getRsa2048PublicKey().e.size()));
}
}
else if (cert.getBody().getPublicKeyType() == nn::pki::cert::ECDSA240)
{
fmt::print(" PublicKey:\n");
if (mCliOutputMode.show_extended_info)
{
fmt::print(" Modulus:\n");
fmt::print(" {:s}", tc::cli::FormatUtil::formatBytesAsStringWithLineLimit(cert.getBody().getEcdsa240PublicKey().r.data(), cert.getBody().getEcdsa240PublicKey().r.size(), true, "", 0x10, 6, false));
fmt::print(" Public Exponent:\n");
fmt::print(" {:s}", tc::cli::FormatUtil::formatBytesAsStringWithLineLimit(cert.getBody().getEcdsa240PublicKey().s.data(), cert.getBody().getEcdsa240PublicKey().s.size(), true, "", 0x10, 6, false));
}
else
{
fmt::print(" Modulus:\n");
fmt::print(" {:s}\n", getTruncatedBytesString(cert.getBody().getEcdsa240PublicKey().r.data(), cert.getBody().getEcdsa240PublicKey().r.size()));
fmt::print(" Public Exponent:\n");
fmt::print(" {:s}\n", getTruncatedBytesString(cert.getBody().getEcdsa240PublicKey().s.data(), cert.getBody().getEcdsa240PublicKey().s.size()));
}
}
}
std::string nstool::EsCertProcess::getSignTypeStr(nn::pki::sign::SignatureId type) const
{
std::string str;
switch (type)
{
case (nn::pki::sign::SIGN_ID_RSA4096_SHA1):
str = "RSA4096-SHA1";
break;
case (nn::pki::sign::SIGN_ID_RSA2048_SHA1):
str = "RSA2048-SHA1";
break;
case (nn::pki::sign::SIGN_ID_ECDSA240_SHA1):
str = "ECDSA240-SHA1";
break;
case (nn::pki::sign::SIGN_ID_RSA4096_SHA256):
str = "RSA4096-SHA256";
break;
case (nn::pki::sign::SIGN_ID_RSA2048_SHA256):
str = "RSA2048-SHA256";
break;
case (nn::pki::sign::SIGN_ID_ECDSA240_SHA256):
str = "ECDSA240-SHA256";
break;
default:
str = "Unknown";
break;
}
return str;
}
std::string nstool::EsCertProcess::getEndiannessStr(bool isLittleEndian) const
{
return isLittleEndian ? "LittleEndian" : "BigEndian";
}
std::string nstool::EsCertProcess::getPublicKeyTypeStr(nn::pki::cert::PublicKeyType type) const
{
std::string str;
switch (type)
{
case (nn::pki::cert::RSA4096):
str = "RSA4096";
break;
case (nn::pki::cert::RSA2048):
str = "RSA2048";
break;
case (nn::pki::cert::ECDSA240):
str = "ECDSA240";
break;
default:
str = "Unknown";
break;
}
return str;
}