* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
- * InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev.
- * E-mail:
- * <brain@chatspike.net>
- * <Craig@chatspike.net>
- *
- * Written by Craig Edwards, Craig McLure, and others.
+ * InspIRCd: (C) 2002-2010 InspIRCd Development Team
+ * See: http://wiki.inspircd.org/Credits
+ *
* This program is free but copyrighted software; see
* the file COPYING for details.
*
* ---------------------------------------------------
*/
-using namespace std;
-
-#include "inspircd_config.h"
-#include "configreader.h"
-#include "globals.h"
+#include "inspircd.h"
#include "dynamic.h"
-
-#ifndef STATIC_LINK
+#ifndef WIN32
#include <dlfcn.h>
-#else
-#include "modlist.h"
#endif
-#include "inspstring.h"
-#include "helperfuncs.h"
-#include <unistd.h>
-#include <sys/types.h>
-#include <stdio.h>
-
-extern ServerConfig* Config;
-
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;
}
-#ifdef STATIC_LINK
- this->staticname[0] = '\0';
- log(DEBUG,"Loading core-compiled module '%s'",fname);
- for (int j = 0; modsyms[j].name; j++)
- {
- log(DEBUG,"Check %s",modsyms[j].name);
- if (!strcmp(modsyms[j].name,fname))
- {
- log(DEBUG,"Found %s",fname);
- strlcpy(this->staticname,fname,1020);
- err = 0;
- return;
- }
- }
- err = "Module is not statically compiled into the ircd";
-#else
- // Copy the library to a temp location, this makes recompiles
- // a little safer if the ircd is running at the time as the
- // shared libraries are mmap()ed and not doing this causes
- // segfaults.
- FILE* x = fopen(fname,"rb");
- if (!x)
- {
- err = strerror(errno);
- return;
- }
- char tmpfile_template[255];
- char buffer[65536];
- snprintf(tmpfile_template, 255, "%s/inspircd_file.so.%d.XXXXXXXXXX",Config->TempDir,getpid());
- int fd = mkstemp(tmpfile_template);
- if (fd == -1)
- {
- fclose(x);
- err = strerror(errno);
- return;
- }
- while (!feof(x))
- {
- int n = fread(buffer, 1, 65535, x);
- if (n)
- {
- int written = write(fd,buffer,n);
- if (written != n)
- {
- fclose(x);
- err = strerror(errno);
- return;
- }
- }
- }
- // Try to open the library now and get any error message.
-
- h = dlopen(tmpfile_template, RTLD_NOW );
+ h = dlopen(fname, RTLD_NOW|RTLD_LOCAL);
if (!h)
{
err = dlerror();
- return;
}
- if (close(fd) == -1)
- err = strerror(errno);
- if (fclose(x) == EOF)
- err = strerror(errno);
-
- // We can delete the tempfile once it's loaded, leaving just the inode.
- if (!err && !Config->debugging)
- {
- if (unlink(tmpfile_template) == -1)
- err = strerror(errno);
- }
-#endif
}
DLLManager::~DLLManager()
{
-#ifndef STATIC_LINK
- // close the library if it isn't null
- if (h != 0)
- dlclose(h);
-#endif
+ /* close the library */
+ if (h)
+ dlclose(h);
}
+union init_t {
+ void* vptr;
+ Module* (*fptr)();
+};
-
-#ifdef STATIC_LINK
-
-bool DLLManager::GetSymbol(initfunc* &v, const char *sym_name)
+Module* DLLManager::CallInit()
{
- log(DEBUG,"Symbol search...");
- for (int j = 0; modsyms[j].name; j++)
- {
- if (!strcmp(this->staticname,modsyms[j].name))
- {
- log(DEBUG,"Loading symbol...");
- v = modsyms[j].value;
- err = 0;
- return true;
- }
- }
- err = "Module symbol missing from the core";
- return false;
-}
-
-#else
+ if (!h)
+ return NULL;
-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)
+ init_t initfn;
+ initfn.vptr = dlsym(h, MODULE_INIT_STR);
+ if (!initfn.vptr)
{
- *v = dlsym(h, sym_name);
err = dlerror();
- return !err;
- }
- else
- {
- return false;
+ return NULL;
}
-}
-
-#endif
-DLLFactoryBase::DLLFactoryBase(const char* fname, const char* factory) : DLLManager(fname)
-{
- // try get the factory function if there is no error yet
- factory_func = 0;
-
- if (!LastError())
- {
-#ifdef STATIC_LINK
- GetSymbol( factory_func, factory ? factory : "init_module" );
-#else
- GetSymbol( (void **)&factory_func, factory ? factory : "init_module" );
-#endif
- }
+ return (*initfn.fptr)();
}
-
-DLLFactoryBase::~DLLFactoryBase()
+std::string DLLManager::GetVersion()
{
+ if (!h)
+ return "";
+
+ const char* srcver = (char*)dlsym(h, "inspircd_src_version");
+ if (srcver)
+ return srcver;
+ return "Unversioned module";
}