ModuleReturn ModuleManager::LoadModule(const Anope::string &modname, User *u)
{
if (modname.empty())
return MOD_ERR_PARAMS;
if (FindModule(modname))
return MOD_ERR_EXISTS;
Log(LOG_DEBUG) << "trying to load [" << modname << "]";
/* Generate the filename for the temporary copy of the module */
Anope::string pbuf = services_dir + "/modules/runtime/" + modname + ".so.XXXXXX";
/* Don't skip return value checking! -GD */
ModuleReturn ret = moduleCopyFile(modname, pbuf);
if (ret != MOD_ERR_OK)
return ret;
dlerror();
void *handle = dlopen(pbuf.c_str(), RTLD_LAZY);
const char *err = dlerror();
if (!handle && err && *err)
{
Log() << err;
return MOD_ERR_NOLOAD;
}
dlerror();
Module *(*func)(const Anope::string &, const Anope::string &) = function_cast<Module *(*)(const Anope::string &, const Anope::string &)>(dlsym(handle, "AnopeInit"));
err = dlerror();
if (!func && err && *err)
{
Log() << "No init function found, not an Anope module";
dlclose(handle);
return MOD_ERR_NOLOAD;
}
if (!func)
throw CoreException("Couldn't find constructor, yet moderror wasn't set?");
/* Create module. */
Anope::string nick;
if (u)
nick = u->nick;
Module *m;
try
{
m = func(modname, nick);
}
catch (const ModuleException &ex)
{
Log() << "Error while loading " << modname << ": " << ex.GetReason();
return MOD_ERR_EXCEPTION;
}
m->filename = pbuf;
m->handle = handle;
Version v = m->GetVersion();
if (v.GetMajor() < Anope::VersionMajor() || (v.GetMajor() == Anope::VersionMajor() && v.GetMinor() < Anope::VersionMinor()))
{
Log() << "Module " << modname << " is compiled against an older version of Anope " << v.GetMajor() << "." << v.GetMinor() << ", this is " << Anope::VersionMajor() << "." << Anope::VersionMinor();
DeleteModule(m);
return MOD_ERR_VERSION;
}
else if (v.GetMajor() > Anope::VersionMajor() || (v.GetMajor() == Anope::VersionMajor() && v.GetMinor() > Anope::VersionMinor()))
{
Log() << "Module " << modname << " is compiled against a newer version of Anope " << v.GetMajor() << "." << v.GetMinor() << ", this is " << Anope::VersionMajor() << "." << Anope::VersionMinor();
DeleteModule(m);
return MOD_ERR_VERSION;
}
else if (v.GetBuild() < Anope::VersionBuild())
Log() << "Module " << modname << " is compiled against an older revision of Anope " << v.GetBuild() << ", this is " << Anope::VersionBuild();
else if (v.GetBuild() > Anope::VersionBuild())
Log() << "Module " << modname << " is compiled against a newer revision of Anope " << v.GetBuild() << ", this is " << Anope::VersionBuild();
else if (v.GetBuild() == Anope::VersionBuild())
Log(LOG_DEBUG) << "Module " << modname << " compiled against current version of Anope " << v.GetBuild();
if (m->type == PROTOCOL && ModuleManager::FindFirstOf(PROTOCOL) != m)
{
DeleteModule(m);
Log() << "You cannot load two protocol modules";
return MOD_ERR_UNKNOWN;
}
FOREACH_MOD(I_OnModuleLoad, OnModuleLoad(u, m));
return MOD_ERR_OK;
}
