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/* Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+ */
#include "cli/apisetuputility.hpp"
#include "cli/nodeutility.hpp"
#include "cli/featureutility.hpp"
#include "remote/apilistener.hpp"
#include "remote/pkiutility.hpp"
#include "base/atomic-file.hpp"
#include "base/logger.hpp"
#include "base/console.hpp"
#include "base/application.hpp"
#include "base/tlsutility.hpp"
#include "base/scriptglobal.hpp"
#include "base/exception.hpp"
#include "base/utility.hpp"
#include <boost/algorithm/string/join.hpp>
#include <boost/algorithm/string/replace.hpp>
#include <boost/algorithm/string/case_conv.hpp>
#include <iostream>
#include <string>
#include <fstream>
#include <vector>
using namespace icinga;
String ApiSetupUtility::GetConfdPath()
{
return Configuration::ConfigDir + "/conf.d";
}
String ApiSetupUtility::GetApiUsersConfPath()
{
return ApiSetupUtility::GetConfdPath() + "/api-users.conf";
}
bool ApiSetupUtility::SetupMaster(const String& cn, bool prompt_restart)
{
if (!SetupMasterCertificates(cn))
return false;
if (!SetupMasterApiUser())
return false;
if (!SetupMasterEnableApi())
return false;
if (!SetupMasterUpdateConstants(cn))
return false;
if (prompt_restart) {
std::cout << "Done.\n\n";
std::cout << "Now restart your Icinga 2 daemon to finish the installation!\n\n";
}
return true;
}
bool ApiSetupUtility::SetupMasterCertificates(const String& cn)
{
Log(LogInformation, "cli", "Generating new CA.");
if (PkiUtility::NewCa() > 0)
Log(LogWarning, "cli", "Found CA, skipping and using the existing one.");
String pki_path = ApiListener::GetCertsDir();
Utility::MkDirP(pki_path, 0700);
String user = Configuration::RunAsUser;
String group = Configuration::RunAsGroup;
if (!Utility::SetFileOwnership(pki_path, user, group)) {
Log(LogWarning, "cli")
<< "Cannot set ownership for user '" << user << "' group '" << group << "' on file '" << pki_path << "'.";
}
String key = pki_path + "/" + cn + ".key";
String csr = pki_path + "/" + cn + ".csr";
if (Utility::PathExists(key)) {
Log(LogInformation, "cli")
<< "Private key file '" << key << "' already exists, not generating new certificate.";
return true;
}
Log(LogInformation, "cli")
<< "Generating new CSR in '" << csr << "'.";
if (Utility::PathExists(key))
NodeUtility::CreateBackupFile(key, true);
if (Utility::PathExists(csr))
NodeUtility::CreateBackupFile(csr);
if (PkiUtility::NewCert(cn, key, csr, "") > 0) {
Log(LogCritical, "cli", "Failed to create certificate signing request.");
return false;
}
/* Sign the CSR with the CA key */
String cert = pki_path + "/" + cn + ".crt";
Log(LogInformation, "cli")
<< "Signing CSR with CA and writing certificate to '" << cert << "'.";
if (Utility::PathExists(cert))
NodeUtility::CreateBackupFile(cert);
if (PkiUtility::SignCsr(csr, cert) != 0) {
Log(LogCritical, "cli", "Could not sign CSR.");
return false;
}
/* Copy CA certificate to /etc/icinga2/pki */
String ca_path = ApiListener::GetCaDir();
String ca = ca_path + "/ca.crt";
String ca_key = ca_path + "/ca.key";
String target_ca = pki_path + "/ca.crt";
Log(LogInformation, "cli")
<< "Copying CA certificate to '" << target_ca << "'.";
if (Utility::PathExists(target_ca))
NodeUtility::CreateBackupFile(target_ca);
/* does not overwrite existing files! */
Utility::CopyFile(ca, target_ca);
/* fix permissions: root -> icinga daemon user */
for (const String& file : { ca_path, ca, ca_key, target_ca, key, csr, cert }) {
if (!Utility::SetFileOwnership(file, user, group)) {
Log(LogWarning, "cli")
<< "Cannot set ownership for user '" << user << "' group '" << group << "' on file '" << file << "'.";
}
}
return true;
}
bool ApiSetupUtility::SetupMasterApiUser()
{
if (!Utility::PathExists(GetConfdPath())) {
Log(LogWarning, "cli")
<< "Path '" << GetConfdPath() << "' do not exist.";
Log(LogInformation, "cli")
<< "Creating path '" << GetConfdPath() << "'.";
Utility::MkDirP(GetConfdPath(), 0755);
}
String api_username = "root"; // TODO make this available as cli parameter?
String api_password = RandomString(8);
String apiUsersPath = GetConfdPath() + "/api-users.conf";
if (Utility::PathExists(apiUsersPath)) {
Log(LogInformation, "cli")
<< "API user config file '" << apiUsersPath << "' already exists, not creating config file.";
return true;
}
Log(LogInformation, "cli")
<< "Adding new ApiUser '" << api_username << "' in '" << apiUsersPath << "'.";
NodeUtility::CreateBackupFile(apiUsersPath);
AtomicFile fp (apiUsersPath, 0644);
fp << "/**\n"
<< " * The ApiUser objects are used for authentication against the API.\n"
<< " */\n"
<< "object ApiUser \"" << api_username << "\" {\n"
<< " password = \"" << api_password << "\"\n"
<< " // client_cn = \"\"\n"
<< "\n"
<< " permissions = [ \"*\" ]\n"
<< "}\n";
fp.Commit();
return true;
}
bool ApiSetupUtility::SetupMasterEnableApi()
{
/*
* Ensure the api-users.conf file is included, when conf.d inclusion is disabled.
*/
if (!NodeUtility::GetConfigurationIncludeState("\"conf.d\"", true))
NodeUtility::UpdateConfiguration("\"conf.d/api-users.conf\"", true, false);
/*
* Enable the API feature
*/
Log(LogInformation, "cli", "Enabling the 'api' feature.");
FeatureUtility::EnableFeatures({ "api" });
return true;
}
bool ApiSetupUtility::SetupMasterUpdateConstants(const String& cn)
{
NodeUtility::UpdateConstant("NodeName", cn);
NodeUtility::UpdateConstant("ZoneName", cn);
return true;
}
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