X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;ds=sidebyside;f=src%2Fdynamic.cpp;h=f2acdd51c6c11736ca62f42bf8bc53a85b4b64b6;hb=4cc992f6c20354eef88b7652f268591daccb1b20;hp=179113cae94dda3701f26f69822cf6b67ac035ac;hpb=c31a4b8b444c460002ea69d2e75f60330897af38;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/dynamic.cpp b/src/dynamic.cpp index 179113cae..f2acdd51c 100644 --- a/src/dynamic.cpp +++ b/src/dynamic.cpp @@ -1,89 +1,100 @@ -/* +------------------------------------+ - * | Inspire Internet Relay Chat Daemon | - * +------------------------------------+ +/* + * InspIRCd -- Internet Relay Chat Daemon * - * InspIRCd: (C) 2002-2007 InspIRCd Development Team - * See: http://www.inspircd.org/wiki/index.php/Credits + * Copyright (C) 2009 Daniel De Graaf + * Copyright (C) 2007 Oliver Lupton + * Copyright (C) 2007 Robin Burchell + * Copyright (C) 2007 Dennis Friis + * Copyright (C) 2003, 2006 Craig Edwards * - * This program is free but copyrighted software; see - * the file COPYING for details. + * This file is part of InspIRCd. InspIRCd 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, version 2. * - * --------------------------------------------------- + * 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, see . */ + #include "inspircd.h" -#include "configreader.h" -#include "dynamic.h" -#ifndef WIN32 + +#ifndef _WIN32 #include +#else +#define dlopen(path, state) (void*)LoadLibraryA(path) +#define dlsym(handle, export) (void*)GetProcAddress((HMODULE)handle, export) +#define dlclose(handle) FreeLibrary((HMODULE)handle) #endif -DLLManager::DLLManager(InspIRCd* ServerInstance, const char *fname) +DLLManager::DLLManager(const char *fname) { - err = NULL; - if (!strstr(fname,".so")) { err = "This doesn't look like a module file to me..."; + h = NULL; return; } h = dlopen(fname, RTLD_NOW|RTLD_LOCAL); if (!h) { - err = (char*)dlerror(); - return; + RetrieveLastError(); } } DLLManager::~DLLManager() { - // close the library if it isn't null + /* close the library */ if (h) dlclose(h); } - - -bool DLLManager::GetSymbol(void** v, const char* sym_name) +Module* DLLManager::CallInit() { - // try extract a symbol from the library - // get any error message is there is any - - if (h) - { - dlerror(); // clear value - *v = dlsym(h, sym_name); - err = (char*)dlerror(); - if (!*v || err) - return false; - } - - if (err) + union { - return false; - } - else - { - return true; - } + void* vptr; + Module* (*fptr)(); + }; + + vptr = GetSymbol(MODULE_INIT_STR); + if (!vptr) + return NULL; + + return (*fptr)(); } -DLLFactoryBase::DLLFactoryBase(InspIRCd* Instance, const char* fname, const char* symbol) : DLLManager(Instance, fname) +void* DLLManager::GetSymbol(const char* name) { - // try get the factory function if there is no error yet - factory_func = 0; - - if (!LastError()) - { - if (!GetSymbol( (void **)&factory_func, symbol ? symbol : "init_module")) - { - throw ModuleException("Missing init_module() entrypoint!"); - } - } + return h ? dlsym(h, name) : NULL; } -DLLFactoryBase::~DLLFactoryBase() +std::string DLLManager::GetVersion() { + const char* srcver = static_cast(GetSymbol("inspircd_src_version")); + return srcver ? srcver : ""; } +void DLLManager::RetrieveLastError() +{ +#if defined _WIN32 + char errmsg[500]; + DWORD dwErrorCode = GetLastError(); + if (FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, NULL, dwErrorCode, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPSTR)errmsg, _countof(errmsg), NULL) == 0) + sprintf_s(errmsg, _countof(errmsg), "Error code: %u", dwErrorCode); + SetLastError(ERROR_SUCCESS); + err = errmsg; +#else + const char* errmsg = dlerror(); + err = errmsg ? errmsg : "Unknown error"; +#endif + + std::string::size_type p; + while ((p = err.find_last_of("\r\n")) != std::string::npos) + err.erase(p, 1); +}