Function single_plugin_init

src/proxy/Plugin.cc:136–207

}

static bool
single_plugin_init(int argc, char *argv[], bool validateOnly)
{
  char        path[PATH_NAME_MAX];
  init_func_t init;

  if (argc < 1) {
    return true;
  }
  ink_filepath_make(path, sizeof(path), plugin_dir, argv[0]);

  Note("loading plugin '%s'", path);

  for (PluginRegInfo *plugin_reg_temp = plugin_reg_list.head; plugin_reg_temp != nullptr;
       plugin_reg_temp                = (plugin_reg_temp->link).next) {
    if (strcmp(plugin_reg_temp->plugin_path, path) == 0) {
      Warning("multiple loading of plugin %s", path);
      break;
    }
  }

  // elevate the access to read files as root if compiled with capabilities, if not
  // change the effective user to root
  {
    uint32_t elevate_access = 0;
    REC_ReadConfigInteger(elevate_access, "proxy.config.plugin.load_elevated");
    ElevateAccess access(elevate_access ? ElevateAccess::FILE_PRIVILEGE : 0);

    void       *handle, *initptr = nullptr;
    std::string error;
    bool        loaded = plugin_dso_load(path, handle, initptr, error);
    init               = reinterpret_cast<init_func_t>(initptr);

    if (!loaded) {
      if (validateOnly) {
        return false;
      }
      Fatal("%s", error.c_str());
      return false; // this line won't get called since Fatal brings down ATS
    }

    // Allocate a new registration structure for the
    //    plugin we're starting up
    ink_assert(plugin_reg_current == nullptr);
    plugin_reg_current              = new PluginRegInfo;
    plugin_reg_current->plugin_path = ats_strdup(path);
    plugin_reg_current->dlh         = handle;

#if (!defined(kfreebsd) && defined(freebsd)) || defined(darwin)
    optreset = 1;
#endif
#if defined(__GLIBC__)
    optind = 0;
#else
    optind = 1;
#endif
    opterr = 0;
    optarg = nullptr;