-/* +------------------------------------+\r * | Inspire Internet Relay Chat Daemon |\r * +------------------------------------+\r *\r * InspIRCd: (C) 2002-2007 InspIRCd Development Team\r * See: http://www.inspircd.org/wiki/index.php/Credits\r *\r * This program is free but copyrighted software; see\r * the file COPYING for details.\r *\r * ---------------------------------------------------\r */\r\r#include "inspircd.h"\r#include "configreader.h"\r#include "dynamic.h"\r#ifndef WIN32\r#include <dlfcn.h>\r#endif\r\rDLLManager::DLLManager(InspIRCd* ServerInstance, const char *fname)\r{\r err = NULL;\r\r if (!strstr(fname,".so"))\r {\r err = "This doesn't look like a module file to me...";\r return;\r }\r\r h = dlopen(fname, RTLD_NOW|RTLD_LOCAL);\r if (!h)\r {\r err = (char*)dlerror();\r return;\r }\r}\r\rDLLManager::~DLLManager()\r{\r // close the library if it isn't null\r if (h)\r dlclose(h);\r}\r\r\r\rbool DLLManager::GetSymbol(void** v, const char* sym_name)\r{\r // try extract a symbol from the library\r // get any error message is there is any\r \r if (h)\r {\r dlerror(); // clear value\r *v = dlsym(h, sym_name);\r err = (char*)dlerror();\r if (!*v || err)\r return false;\r }\r \r if (err)\r {\r return false;\r }\r else\r { \r return true;\r }\r}\r\rDLLFactoryBase::DLLFactoryBase(InspIRCd* Instance, const char* fname, const char* symbol) : DLLManager(Instance, fname)\r{\r // try get the factory function if there is no error yet\r factory_func = 0;\r \r if (!LastError())\r {\r if (!GetSymbol( (void **)&factory_func, symbol ? symbol : "init_module"))\r {\r throw ModuleException("Missing init_module() entrypoint!");\r }\r }\r}\r\rDLLFactoryBase::~DLLFactoryBase()\r{\r}\r\r
\ No newline at end of file
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
+ *
+ * Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
+ * Copyright (C) 2007 Oliver Lupton <oliverlupton@gmail.com>
+ * Copyright (C) 2007 Robin Burchell <robin+git@viroteck.net>
+ * Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
+ * Copyright (C) 2003, 2006 Craig Edwards <craigedwards@brainbox.cc>
+ *
+ * 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 <http://www.gnu.org/licenses/>.
+ */
+
+
+#include "inspircd.h"
+
+#ifndef _WIN32
+#include <dlfcn.h>
+#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(const char *fname)
+{
+ 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)
+ {
+ RetrieveLastError();
+ }
+}
+
+DLLManager::~DLLManager()
+{
+ /* close the library */
+ if (h)
+ dlclose(h);
+}
+
+union init_t {
+ void* vptr;
+ Module* (*fptr)();
+};
+
+Module* DLLManager::CallInit()
+{
+ if (!h)
+ return NULL;
+
+ init_t initfn;
+ initfn.vptr = dlsym(h, MODULE_INIT_STR);
+ if (!initfn.vptr)
+ {
+ RetrieveLastError();
+ return NULL;
+ }
+
+ return (*initfn.fptr)();
+}
+
+std::string DLLManager::GetVersion()
+{
+ if (!h)
+ return "";
+
+ const char* srcver = (char*)dlsym(h, "inspircd_src_version");
+ if (srcver)
+ return srcver;
+ return "";
+}
+
+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
+ 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);
+}