mirror of https://github.com/Icinga/icinga2.git
333 lines
9.2 KiB
C++
333 lines
9.2 KiB
C++
/******************************************************************************
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* Icinga 2 *
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* Copyright (C) 2012-2015 Icinga Development Team (http://www.icinga.org) *
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* *
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* This program is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU General Public License *
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* as published by the Free Software Foundation; either version 2 *
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* of the License, or (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the Free Software Foundation *
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
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******************************************************************************/
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#include "cli/pkiutility.hpp"
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#include "cli/clicommand.hpp"
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#include "base/logger.hpp"
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#include "base/application.hpp"
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#include "base/tlsutility.hpp"
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#include "base/tlsstream.hpp"
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#include "base/tcpsocket.hpp"
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#include "base/json.hpp"
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#include "base/utility.hpp"
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#include "base/exception.hpp"
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#include "remote/jsonrpc.hpp"
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#include <fstream>
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#include <iostream>
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using namespace icinga;
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String PkiUtility::GetPkiPath(void)
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{
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return Application::GetSysconfDir() + "/icinga2/pki";
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}
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String PkiUtility::GetLocalCaPath(void)
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{
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return Application::GetLocalStateDir() + "/lib/icinga2/ca";
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}
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int PkiUtility::NewCa(void)
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{
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String cadir = GetLocalCaPath();
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if (Utility::PathExists(cadir)) {
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Log(LogCritical, "cli")
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<< "CA directory '" << cadir << "' already exists.";
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return 1;
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}
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if (!Utility::MkDirP(cadir, 0700)) {
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Log(LogCritical, "base")
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<< "Could not create CA directory '" << cadir << "'.";
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return 1;
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}
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MakeX509CSR("Icinga CA", cadir + "/ca.key", String(), cadir + "/ca.crt", true);
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String serialpath = cadir + "/serial.txt";
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Log(LogInformation, "cli")
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<< "Initializing serial file in '" << serialpath << "'.";
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std::ofstream fp;
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fp.open(serialpath.CStr());
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fp << "01";
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fp.close();
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if (fp.fail()) {
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Log(LogCritical, "cli")
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<< "Could not create serial file '" << serialpath << "'";
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return 1;
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}
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return 0;
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}
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int PkiUtility::NewCert(const String& cn, const String& keyfile, const String& csrfile, const String& certfile)
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{
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try {
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MakeX509CSR(cn, keyfile, csrfile, certfile);
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} catch(std::exception&) {
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return 1;
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}
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return 0;
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}
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int PkiUtility::SignCsr(const String& csrfile, const String& certfile)
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{
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std::stringstream msgbuf;
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char errbuf[120];
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InitializeOpenSSL();
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BIO *csrbio = BIO_new_file(csrfile.CStr(), "r");
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X509_REQ *req = PEM_read_bio_X509_REQ(csrbio, NULL, NULL, NULL);
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if (!req) {
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Log(LogCritical, "SSL")
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<< "Could not read X509 certificate request from '" << csrfile << "': " << ERR_peek_error() << ", \"" << ERR_error_string(ERR_peek_error(), errbuf) << "\"";
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return 1;
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}
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BIO_free(csrbio);
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boost::shared_ptr<X509> cert = CreateCertIcingaCA(X509_REQ_get_pubkey(req), X509_REQ_get_subject_name(req));
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X509_REQ_free(req);
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std::ofstream fpcert;
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fpcert.open(certfile.CStr());
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if (!fpcert) {
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Log(LogCritical, "cli")
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<< "Failed to open certificate file '" << certfile << "' for output";
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return 1;
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}
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fpcert << CertificateToString(cert);
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fpcert.close();
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return 0;
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}
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int PkiUtility::SaveCert(const String& host, const String& port, const String& keyfile, const String& certfile, const String& trustedfile)
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{
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TcpSocket::Ptr client = new TcpSocket();
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try {
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client->Connect(host, port);
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} catch (const std::exception& ex) {
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Log(LogCritical, "cli")
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<< "Cannot connect to host '" << host << "' on port '" << port << "'";
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Log(LogDebug, "cli")
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<< "Cannot connect to host '" << host << "' on port '" << port << "':\n" << DiagnosticInformation(ex);
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return 1;
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}
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boost::shared_ptr<SSL_CTX> sslContext;
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try {
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sslContext = MakeSSLContext(certfile, keyfile);
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} catch (const std::exception& ex) {
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Log(LogCritical, "cli")
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<< "Cannot make SSL context for cert path: '" << certfile << "' key path: '" << keyfile << "'.";
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Log(LogDebug, "cli")
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<< "Cannot make SSL context for cert path: '" << certfile << "' key path: '" << keyfile << "':\n" << DiagnosticInformation(ex);
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return 1;
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}
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TlsStream::Ptr stream = new TlsStream(client, RoleClient, sslContext);
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try {
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stream->Handshake();
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} catch (...) {
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}
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boost::shared_ptr<X509> cert = stream->GetPeerCertificate();
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if (!cert) {
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Log(LogCritical, "cli", "Peer did not present a valid certificate.");
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return 1;
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}
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std::ofstream fpcert;
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fpcert.open(trustedfile.CStr());
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fpcert << CertificateToString(cert);
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fpcert.close();
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if (fpcert.fail()) {
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Log(LogCritical, "cli")
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<< "Could not write certificate to file '" << trustedfile << "'.";
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return 1;
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}
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Log(LogInformation, "cli")
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<< "Writing trusted certificate to file '" << trustedfile << "'.";
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return 0;
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}
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int PkiUtility::GenTicket(const String& cn, const String& salt, std::ostream& ticketfp)
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{
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ticketfp << PBKDF2_SHA1(cn, salt, 50000) << "\n";
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return 0;
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}
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int PkiUtility::RequestCertificate(const String& host, const String& port, const String& keyfile,
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const String& certfile, const String& cafile, const String& trustedfile, const String& ticket)
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{
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TcpSocket::Ptr client = new TcpSocket();
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try {
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client->Connect(host, port);
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} catch (const std::exception& ex) {
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Log(LogCritical, "cli")
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<< "Cannot connect to host '" << host << "' on port '" << port << "'";
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Log(LogDebug, "cli")
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<< "Cannot connect to host '" << host << "' on port '" << port << "':\n" << DiagnosticInformation(ex);
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return 1;
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}
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boost::shared_ptr<SSL_CTX> sslContext;
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try {
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sslContext = MakeSSLContext(certfile, keyfile);
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} catch (const std::exception& ex) {
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Log(LogCritical, "cli")
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<< "Cannot make SSL context for cert path: '" << certfile << "' key path: '" << keyfile << "' ca path: '" << cafile << "'.";
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Log(LogDebug, "cli")
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<< "Cannot make SSL context for cert path: '" << certfile << "' key path: '" << keyfile << "' ca path: '" << cafile << "':\n" << DiagnosticInformation(ex);
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return 1;
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}
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TlsStream::Ptr stream = new TlsStream(client, RoleClient, sslContext);
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try {
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stream->Handshake();
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} catch (const std::exception&) {
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Log(LogCritical, "cli", "Client TLS handshake failed.");
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return 1;
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}
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boost::shared_ptr<X509> peerCert = stream->GetPeerCertificate();
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boost::shared_ptr<X509> trustedCert;
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try {
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trustedCert = GetX509Certificate(trustedfile);
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} catch (const std::exception&) {
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Log(LogCritical, "cli")
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<< "Cannot get trusted from cert path: '" << trustedfile << "'.";
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return 1;
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}
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if (CertificateToString(peerCert) != CertificateToString(trustedCert)) {
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Log(LogCritical, "cli", "Peer certificate does not match trusted certificate.");
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return 1;
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}
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Dictionary::Ptr request = new Dictionary();
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String msgid = Utility::NewUniqueID();
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request->Set("jsonrpc", "2.0");
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request->Set("id", msgid);
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request->Set("method", "pki::RequestCertificate");
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Dictionary::Ptr params = new Dictionary();
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params->Set("ticket", String(ticket));
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request->Set("params", params);
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JsonRpc::SendMessage(stream, request);
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Dictionary::Ptr response;
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StreamReadContext src;
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for (;;) {
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StreamReadStatus srs = JsonRpc::ReadMessage(stream, &response, src);
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if (srs == StatusEof)
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break;
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if (srs != StatusNewItem)
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continue;
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if (response && response->Contains("error")) {
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Log(LogCritical, "cli", "Could not fetch valid response. Please check the master log (notice or debug).");
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#ifdef I2_DEBUG
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/* we shouldn't expose master errors to the user in production environments */
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Log(LogCritical, "cli", response->Get("error"));
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#endif /* I2_DEBUG */
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return 1;
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}
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if (response && (response->Get("id") != msgid))
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continue;
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break;
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}
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if (!response) {
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Log(LogCritical, "cli", "Could not fetch valid response. Please check the master log.");
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return 1;
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}
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Dictionary::Ptr result = response->Get("result");
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if (result->Contains("error")) {
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Log(LogCritical, "cli", result->Get("error"));
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return 1;
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}
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std::ofstream fpcert;
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fpcert.open(certfile.CStr());
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fpcert << result->Get("cert");
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fpcert.close();
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if (fpcert.fail()) {
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Log(LogCritical, "cli")
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<< "Could not write certificate to file '" << certfile << "'.";
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return 1;
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}
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Log(LogInformation, "cli")
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<< "Writing signed certificate to file '" << certfile << "'.";
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std::ofstream fpca;
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fpca.open(cafile.CStr());
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fpca << result->Get("ca");
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fpca.close();
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if (fpca.fail()) {
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Log(LogCritical, "cli")
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<< "Could not open CA certificate file '" << cafile << "' for writing.";
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return 1;
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}
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Log(LogInformation, "cli")
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<< "Writing CA certificate to file '" << cafile << "'.";
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return 0;
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}
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