mirror of
https://github.com/autc04/Retro68.git
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151 lines
3.2 KiB
C++
151 lines
3.2 KiB
C++
#include "SSH.h"
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#include "Launcher.h"
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#include "Utilities.h"
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#include <iostream>
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/wait.h>
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#include <signal.h>
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#include <boost/lexical_cast.hpp>
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namespace po = boost::program_options;
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using std::string;
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using std::vector;
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class SSHLauncher : public Launcher
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{
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public:
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SSHLauncher(po::variables_map& options);
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virtual ~SSHLauncher();
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virtual bool Go(int timeout = 0);
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};
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SSHLauncher::SSHLauncher(po::variables_map &options)
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: Launcher(options, ResourceFile::Format::percent_appledouble)
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{
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}
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SSHLauncher::~SSHLauncher()
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{
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}
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static void insertArgs(vector<string>& args, po::variables_map& options, string name)
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{
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if(options.count(name))
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{
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auto extraArgs = SplitArguments(options[name].as<vector<string>>());
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args.insert(args.end(), extraArgs.begin(), extraArgs.end());
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}
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}
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bool SSHLauncher::Go(int timeout)
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{
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std::vector<std::string> args;
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args.push_back(options["ssh-host"].as<string>());
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insertArgs(args, options, "ssh-args");
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args.push_back("--");
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args.push_back(options["ssh-remote-path"].as<string>());
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insertArgs(args, options, "ssh-remote-args");
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if(timeout)
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{
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args.push_back("--timeout");
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args.push_back(boost::lexical_cast<std::string>(timeout));
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}
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args.push_back("-");
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std::string program = options["ssh-path"].as<std::string>();
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std::vector<const char*> argv;
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argv.push_back(program.c_str());
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for(std::string& s : args)
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argv.push_back(s.c_str());
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argv.push_back(NULL);
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int fd[2];
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pipe(fd);
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const int READ_END = 0;
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const int WRITE_END = 1;
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pid_t pid = fork();
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if(pid < 0)
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{
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perror("unable to fork");
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return 1;
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}
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else if(pid == 0)
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{
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dup2(fd[READ_END], STDIN_FILENO);
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close(fd[WRITE_END]);
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close(fd[READ_END]);
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execvp(argv[0], const_cast<char* const *> (argv.data()));
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perror("exec failed");
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std::cerr << "Tried to execute: " << program;
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for(auto a : args)
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std::cerr << " " << a;
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std::cerr << std::endl;
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_exit(1);
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}
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else
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{
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close(fd[READ_END]);
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std::ostringstream tmp;
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app.write(tmp, ResourceFile::Format::macbin);
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const std::string data = tmp.str();
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write(fd[WRITE_END], data.data(), data.size());
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close(fd[WRITE_END]);
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int wstatus;
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int result = 0;
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do
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{
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result = waitpid(pid, &wstatus, 0);
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} while(result == -1 && errno == EINTR);
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if(!WIFEXITED(wstatus))
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{
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return false;
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}
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else
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{
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//int exitcode = WEXITSTATUS(wstatus);
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return true;
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}
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}
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}
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void SSH::GetOptions(options_description &desc)
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{
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desc.add_options()
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("ssh-path", po::value<string>()->default_value("ssh"),"ssh command to use")
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("ssh-host", po::value<string>(),
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"[username@]address of remote host")
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("ssh-args", po::value<vector<string>>(),
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"additional arguments for ssh")
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("ssh-remote-path", po::value<string>()->default_value("LaunchAPPL"),
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"path to LaunchAPPL on remote host")
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("ssh-remote-args", po::value<vector<string>>(),
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"additional arguments for LaunchAPPL on remote host")
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;
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}
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bool SSH::CheckOptions(variables_map &options)
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{
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return options.count("ssh-host") != 0;
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}
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std::unique_ptr<Launcher> SSH::MakeLauncher(variables_map &options)
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{
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return std::unique_ptr<Launcher>(new SSHLauncher(options));
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}
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