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/*
* (C) 2010,2014,2015 Jack Lloyd
* (C) 2017 René Korthaus, Rohde & Schwarz Cybersecurity
*
* Botan is released under the Simplified BSD License (see license.txt)
*/
#include "cli.h"
#if defined(BOTAN_HAS_X509_CERTIFICATES)
#include <botan/certstor.h>
#include <botan/pkcs8.h>
#include <botan/x509_ca.h>
#include <botan/x509cert.h>
#include <botan/x509path.h>
#include <botan/x509self.h>
#if defined(BOTAN_HAS_OCSP)
#include <botan/ocsp.h>
#endif
namespace Botan_CLI {
class Sign_Cert final : public Command
{
public:
Sign_Cert()
: Command("sign_cert --ca-key-pass= --hash=SHA-256 "
"--duration=365 ca_cert ca_key pkcs10_req") {}
void go() override
{
Botan::X509_Certificate ca_cert(get_arg("ca_cert"));
std::unique_ptr<Botan::PKCS8_PrivateKey> key;
const std::string pass = get_arg("ca-key-pass");
if(!pass.empty())
{
key.reset(Botan::PKCS8::load_key(get_arg("ca_key"), rng(), pass));
}
else
{
key.reset(Botan::PKCS8::load_key(get_arg("ca_key"), rng()));
}
if(!key)
{
throw CLI_Error("Failed to load key from " + get_arg("ca_key"));
}
Botan::X509_CA ca(ca_cert, *key, get_arg("hash"), rng());
Botan::PKCS10_Request req(get_arg("pkcs10_req"));
auto now = std::chrono::system_clock::now();
Botan::X509_Time start_time(now);
typedef std::chrono::duration<int, std::ratio<86400>> days;
Botan::X509_Time end_time(now + days(get_arg_sz("duration")));
Botan::X509_Certificate new_cert = ca.sign_request(req, rng(), start_time, end_time);
output() << new_cert.PEM_encode();
}
};
BOTAN_REGISTER_COMMAND("sign_cert", Sign_Cert);
class Cert_Info final : public Command
{
public:
Cert_Info() : Command("cert_info --ber file") {}
void go() override
{
Botan::DataSource_Stream in(get_arg("file"), flag_set("ber"));
while(!in.end_of_data())
{
try
{
Botan::X509_Certificate cert(in);
try
{
output() << cert.to_string() << std::endl;
}
catch(Botan::Exception& e)
{
// to_string failed - report the exception and continue
output() << "X509_Certificate::to_string failed: " << e.what() << "\n";
}
}
catch(Botan::Exception& e)
{
if(!in.end_of_data())
{
output() << "X509_Certificate parsing failed " << e.what() << "\n";
}
}
}
}
};
BOTAN_REGISTER_COMMAND("cert_info", Cert_Info);
#if defined(BOTAN_HAS_OCSP) && defined(BOTAN_HAS_HTTP_UTIL)
class OCSP_Check final : public Command
{
public:
OCSP_Check() : Command("ocsp_check subject issuer") {}
void go() override
{
Botan::X509_Certificate subject(get_arg("subject"));
Botan::X509_Certificate issuer(get_arg("issuer"));
Botan::Certificate_Store_In_Memory cas;
cas.add_certificate(issuer);
Botan::OCSP::Response resp = Botan::OCSP::online_check(issuer, subject, &cas);
auto status = resp.status_for(issuer, subject, std::chrono::system_clock::now());
if(status == Botan::Certificate_Status_Code::OCSP_RESPONSE_GOOD)
{
output() << "OCSP check OK\n";
}
else
{
output() << "OCSP check failed " << Botan::Path_Validation_Result::status_string(status) << "\n";
}
}
};
BOTAN_REGISTER_COMMAND("ocsp_check", OCSP_Check);
#endif // OCSP && HTTP
class Cert_Verify final : public Command
{
public:
Cert_Verify() : Command("cert_verify subject *ca_certs") {}
void go() override
{
Botan::X509_Certificate subject_cert(get_arg("subject"));
Botan::Certificate_Store_In_Memory trusted;
for(auto const& certfile : get_arg_list("ca_certs"))
{
trusted.add_certificate(Botan::X509_Certificate(certfile));
}
Botan::Path_Validation_Restrictions restrictions;
Botan::Path_Validation_Result result =
Botan::x509_path_validate(subject_cert,
restrictions,
trusted);
if(result.successful_validation())
{
output() << "Certificate passes validation checks\n";
}
else
{
output() << "Certificate did not validate - " << result.result_string() << "\n";
}
}
};
BOTAN_REGISTER_COMMAND("cert_verify", Cert_Verify);
class Gen_Self_Signed final : public Command
{
public:
Gen_Self_Signed()
: Command("gen_self_signed key CN --country= --dns= "
"--organization= --email= --key-pass= --ca --hash=SHA-256") {}
void go() override
{
std::unique_ptr<Botan::Private_Key> key(Botan::PKCS8::load_key(get_arg("key"), rng(), get_arg("key-pass")));
if(!key)
{
throw CLI_Error("Failed to load key from " + get_arg("key"));
}
Botan::X509_Cert_Options opts;
opts.common_name = get_arg("CN");
opts.country = get_arg("country");
opts.organization = get_arg("organization");
opts.email = get_arg("email");
opts.dns = get_arg("dns");
if(flag_set("ca"))
{
opts.CA_key();
}
Botan::X509_Certificate cert = Botan::X509::create_self_signed_cert(opts, *key, get_arg("hash"), rng());
output() << cert.PEM_encode();
}
};
BOTAN_REGISTER_COMMAND("gen_self_signed", Gen_Self_Signed);
class Generate_PKCS10 final : public Command
{
public:
Generate_PKCS10()
: Command("gen_pkcs10 key CN --country= --organization= "
"--email= --key-pass= --hash=SHA-256") {}
void go() override
{
std::unique_ptr<Botan::Private_Key> key(Botan::PKCS8::load_key(get_arg("key"), rng(), get_arg("key-pass")));
if(!key)
{
throw CLI_Error("Failed to load key from " + get_arg("key"));
}
Botan::X509_Cert_Options opts;
opts.common_name = get_arg("CN");
opts.country = get_arg("country");
opts.organization = get_arg("organization");
opts.email = get_arg("email");
Botan::PKCS10_Request req = Botan::X509::create_cert_req(opts, *key, get_arg("hash"), rng());
output() << req.PEM_encode();
}
};
BOTAN_REGISTER_COMMAND("gen_pkcs10", Generate_PKCS10);
}
#endif
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