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|
/* +------------------------------------+
* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
* InspIRCd: (C) 2002-2007 InspIRCd Development Team
* See: http://www.inspircd.org/wiki/index.php/Credits
*
* This program is free but copyrighted software; see
* the file COPYING for details.
*
* ---------------------------------------------------
*/
#include "configreader.h"
#include "dynamic.h"
#ifndef STATIC_LINK
#include <dlfcn.h>
#else
#include "modlist.h"
#endif
#include "inspircd.h"
DLLManager::DLLManager(InspIRCd* ServerInstance, const char *fname)
{
err = NULL;
if (!strstr(fname,".so"))
{
err = "This doesn't look like a module file to me...";
return;
}
#ifdef STATIC_LINK
this->staticname[0] = '\0';
ServerInstance->Log(DEBUG,"Loading core-compiled module '%s'",fname);
for (int j = 0; modsyms[j].name; j++)
{
ServerInstance->Log(DEBUG,"Check %s",modsyms[j].name);
if (!strcmp(modsyms[j].name,fname))
{
ServerInstance->Log(DEBUG,"Found %s",fname);
strlcpy(this->staticname,fname,1020);
err = 0;
return;
}
}
err = "Module is not statically compiled into the ircd";
#else
h = dlopen(fname, RTLD_NOW|RTLD_LOCAL);
if (!h)
{
err = (char*)dlerror();
ServerInstance->Log(DEBUG,"dlerror '%s' occured!", err);
return;
}
ServerInstance->Log(DEBUG,"Finished loading '%s': %0x", fname, h);
#endif
}
DLLManager::~DLLManager()
{
#ifndef STATIC_LINK
// close the library if it isn't null
if (h)
dlclose(h);
#endif
}
#ifdef STATIC_LINK
bool DLLManager::GetSymbol(initfunc* &v, const char *sym_name)
{
for (int j = 0; modsyms[j].name; j++)
{
if (!strcmp(this->staticname,modsyms[j].name))
{
v = modsyms[j].value;
err = 0;
return true;
}
}
err = "Module symbol missing from the core";
return false;
}
#else
bool DLLManager::GetSymbol(void** v, const char* sym_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;
}
if (err)
{
return false;
}
else
{
return true;
}
}
#endif
DLLFactoryBase::DLLFactoryBase(InspIRCd* Instance, const char* fname, const char* symbol) : DLLManager(Instance, fname)
{
// try get the factory function if there is no error yet
factory_func = 0;
if (!LastError())
{
#ifdef STATIC_LINK
if (!GetSymbol( factory_func, symbol ? symbol : "init_module"))
#else
if (!GetSymbol( (void **)&factory_func, symbol ? symbol : "init_module"))
#endif
{
throw ModuleException("Missing init_module() entrypoint!");
}
}
}
DLLFactoryBase::~DLLFactoryBase()
{
}
|
