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+/* Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+ */
+
+#include "methods/pluginnotificationtask.hpp"
+#include "icinga/notification.hpp"
+#include "icinga/notificationcommand.hpp"
+#include "icinga/pluginutility.hpp"
+#include "icinga/service.hpp"
+#include "icinga/macroprocessor.hpp"
+#include "base/function.hpp"
+#include "base/logger.hpp"
+#include "base/utility.hpp"
+#include "base/process.hpp"
+#include "base/convert.hpp"
+
+#ifdef __linux__
+# include <linux/binfmts.h>
+# include <unistd.h>
+
+# ifndef PAGE_SIZE
+// MAX_ARG_STRLEN is a multiple of PAGE_SIZE which is missing
+# define PAGE_SIZE getpagesize()
+# endif /* PAGE_SIZE */
+
+// Make e.g. the $host.output$ itself even 10% shorter to leave enough room
+// for e.g. --host-output= as in --host-output=$host.output$, but without int overflow
+const static auto l_MaxOutLen = MAX_ARG_STRLEN - MAX_ARG_STRLEN / 10u;
+#endif /* __linux__ */
+
+using namespace icinga;
+
+REGISTER_FUNCTION_NONCONST(Internal, PluginNotification, &PluginNotificationTask::ScriptFunc, "notification:user:cr:itype:author:comment:resolvedMacros:useResolvedMacros");
+
+void PluginNotificationTask::ScriptFunc(const Notification::Ptr& notification,
+ const User::Ptr& user, const CheckResult::Ptr& cr, int itype,
+ const String& author, const String& comment, const Dictionary::Ptr& resolvedMacros,
+ bool useResolvedMacros)
+{
+ REQUIRE_NOT_NULL(notification);
+ REQUIRE_NOT_NULL(user);
+
+ NotificationCommand::Ptr commandObj = NotificationCommand::ExecuteOverride ? NotificationCommand::ExecuteOverride : notification->GetCommand();
+
+ auto type = static_cast<NotificationType>(itype);
+
+ Checkable::Ptr checkable = notification->GetCheckable();
+
+ Dictionary::Ptr notificationExtra = new Dictionary({
+ { "type", Notification::NotificationTypeToStringCompat(type) }, //TODO: Change that to our types.
+ { "author", author },
+#ifdef __linux__
+ { "comment", comment.SubStr(0, l_MaxOutLen) }
+#else /* __linux__ */
+ { "comment", comment }
+#endif /* __linux__ */
+ });
+
+ Host::Ptr host;
+ Service::Ptr service;
+ tie(host, service) = GetHostService(checkable);
+
+ MacroProcessor::ResolverList resolvers;
+
+ if (MacroResolver::OverrideMacros)
+ resolvers.emplace_back("override", MacroResolver::OverrideMacros);
+
+ resolvers.emplace_back("user", user);
+ resolvers.emplace_back("notification", notificationExtra);
+ resolvers.emplace_back("notification", notification);
+
+ if (service) {
+#ifdef __linux__
+ auto cr (service->GetLastCheckResult());
+
+ if (cr) {
+ auto output (cr->GetOutput());
+
+ if (output.GetLength() > l_MaxOutLen) {
+ resolvers.emplace_back("service", new Dictionary({{"output", output.SubStr(0, l_MaxOutLen)}}));
+ }
+ }
+#endif /* __linux__ */
+
+ resolvers.emplace_back("service", service);
+ }
+
+#ifdef __linux__
+ auto hcr (host->GetLastCheckResult());
+
+ if (hcr) {
+ auto output (hcr->GetOutput());
+
+ if (output.GetLength() > l_MaxOutLen) {
+ resolvers.emplace_back("host", new Dictionary({{"output", output.SubStr(0, l_MaxOutLen)}}));
+ }
+ }
+#endif /* __linux__ */
+
+ resolvers.emplace_back("host", host);
+ resolvers.emplace_back("command", commandObj);
+
+ int timeout = commandObj->GetTimeout();
+ std::function<void(const Value& commandLine, const ProcessResult&)> callback;
+
+ if (Checkable::ExecuteCommandProcessFinishedHandler) {
+ callback = Checkable::ExecuteCommandProcessFinishedHandler;
+ } else {
+ callback = [checkable](const Value& commandline, const ProcessResult& pr) { ProcessFinishedHandler(checkable, commandline, pr); };
+ }
+
+ PluginUtility::ExecuteCommand(commandObj, checkable, cr, resolvers,
+ resolvedMacros, useResolvedMacros, timeout, callback);
+}
+
+void PluginNotificationTask::ProcessFinishedHandler(const Checkable::Ptr& checkable, const Value& commandLine, const ProcessResult& pr)
+{
+ if (pr.ExitStatus != 0) {
+ Process::Arguments parguments = Process::PrepareCommand(commandLine);
+ Log(LogWarning, "PluginNotificationTask")
+ << "Notification command for object '" << checkable->GetName() << "' (PID: " << pr.PID
+ << ", arguments: " << Process::PrettyPrintArguments(parguments) << ") terminated with exit code "
+ << pr.ExitStatus << ", output: " << pr.Output;
+ }
+}