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/*
* active port forwarder - software for secure forwarding
* Copyright (C) 2003,2004 jeremian <jeremian [at] poczta.fm>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
*/
#include "modules.h"
#include <stdlib.h>
#include <dlfcn.h>
int
loadmodule(moduleT* module)
{
if (module->name) {
module->handle = dlopen(module->name, RTLD_NOW);
if (!module->handle) {
return 1;
}
dlerror();
*(void**) (&module->info) = dlsym(module->handle, "info");
*(void**) (&module->allow) = dlsym(module->handle, "allow");
*(void**) (&module->filter) = dlsym(module->handle, "filter");
if (dlerror() != NULL) {
return 2;
}
module->loaded = 1;
}
return 0;
}
int
releasemodule(moduleT* module)
{
if (ismloaded(module)) {
module->loaded = 0;
module->info = NULL;
module->allow = NULL;
module->filter = NULL;
return dlclose(module->handle);
}
return 0;
}
int
ismloaded(moduleT* module)
{
return module->loaded;
}
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