-/* +------------------------------------+
- * | Inspire Internet Relay Chat Daemon |
- * +------------------------------------+
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
*
- * InspIRCd: (C) 2002-2008 InspIRCd Development Team
- * See: http://www.inspircd.org/wiki/index.php/Credits
+ * Copyright (C) 2017-2019 Sadie Powell <sadie@witchery.services>
+ * Copyright (C) 2014 Attila Molnar <attilamolnar@hush.com>
+ * Copyright (C) 2012 Robby <robby@chatbelgie.be>
+ * Copyright (C) 2012 ChrisTX <xpipe@hotmail.de>
+ * Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
+ * Copyright (C) 2009 Uli Schlachter <psychon@inspircd.org>
+ * Copyright (C) 2007 Robin Burchell <robin+git@viroteck.net>
+ * Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
+ * Copyright (C) 2006, 2010 Craig Edwards <brain@inspircd.org>
*
- * 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 <http://www.gnu.org/licenses/>.
*/
-/* $Core */
#include "inspircd.h"
-#include "dynamic.h"
-#ifndef WIN32
+
+#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(InspIRCd*, 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();
}
}
dlclose(h);
}
+Module* DLLManager::CallInit()
+{
+ union
+ {
+ void* vptr;
+ Module* (*fptr)();
+ };
+
+ vptr = GetSymbol(MODULE_INIT_STR);
+ if (!vptr)
+ return NULL;
+ return (*fptr)();
+}
-bool DLLManager::GetSymbol(void** v, const char* sym_name)
+void* DLLManager::GetSymbol(const char* name)
{
- /*
- * 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;
- }
-
- /* succeeded :) */
- return true;
+ return h ? dlsym(h, name) : NULL;
+}
+
+std::string DLLManager::GetVersion()
+{
+ const char* srcver = static_cast<const char*>(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);
}