granicus.if.org Git - icinga2/blob - lib/cli/internalsignalcommand.cpp

   1 /* Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+ */
   2
   3 #include "cli/internalsignalcommand.hpp"
   4 #include "base/logger.hpp"
   5 #include <signal.h>
   6
   7 using namespace icinga;
   8 namespace po = boost::program_options;
   9
  10 REGISTER_CLICOMMAND("internal/signal", InternalSignalCommand);
  11
  12 String InternalSignalCommand::GetDescription() const
  13 {
  14         return "Send signal as Icinga user";
  15 }
  16
  17 String InternalSignalCommand::GetShortDescription() const
  18 {
  19         return "Send signal as Icinga user";
  20 }
  21
  22 ImpersonationLevel InternalSignalCommand::GetImpersonationLevel() const
  23 {
  24         return ImpersonateIcinga;
  25 }
  26
  27 bool InternalSignalCommand::IsHidden() const
  28 {
  29         return true;
  30 }
  31
  32 void InternalSignalCommand::InitParameters(boost::program_options::options_description& visibleDesc,
  33         boost::program_options::options_description& hiddenDesc) const
  34 {
  35         visibleDesc.add_options()
  36                 ("pid,p", po::value<int>(), "Target PID")
  37                 ("sig,s", po::value<String>(), "Signal (POSIX string) to send")
  38         ;
  39 }
  40
  41 /**
  42  * The entry point for the "internal signal" CLI command.
  43  *
  44  * @returns An exit status.
  45  */
  46 int InternalSignalCommand::Run(const boost::program_options::variables_map& vm, const std::vector<std::string>& ap) const
  47 {
  48 #ifndef _WIN32
  49         String signal = vm["sig"].as<String>();
  50
  51         /* Thank POSIX */
  52         if (signal == "SIGKILL")
  53                 return kill(vm["pid"].as<int>(), SIGKILL);
  54         if (signal == "SIGINT")
  55                 return kill(vm["pid"].as<int>(), SIGINT);
  56         if (signal == "SIGCHLD")
  57                 return kill(vm["pid"].as<int>(), SIGCHLD);
  58         if (signal == "SIGHUP")
  59                 return kill(vm["pid"].as<int>(), SIGHUP);
  60
  61         Log(LogCritical, "cli") << "Unsupported signal \"" << signal << "\"";
  62 #else
  63         Log(LogCritical, "cli", "Unsupported action on Windows.");
  64 #endif /* _Win32 */
  65         return 1;
  66 }
  67