* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
- * Inspire is copyright (C) 2002-2004 ChatSpike-Dev.
+ * InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev.
* E-mail:
* <brain@chatspike.net>
* <Craig@chatspike.net>
using namespace std;
+#include "inspircd_config.h"
+#include "inspircd_io.h"
#include "globals.h"
-#include <dlfcn.h>
#include "dynamic.h"
+
+#ifndef STATIC_LINK
+#include <dlfcn.h>
+#else
+#include "modlist.h"
+#endif
+
#include "inspstring.h"
#include "helperfuncs.h"
+#include <unistd.h>
+#include <sys/types.h>
+#include <stdio.h>
-DLLManager::DLLManager(const char *fname)
+extern ServerConfig* Config;
+
+DLLManager::DLLManager(char *fname)
{
- // Try to open the library now and get any error message.
+ if (!strstr(fname,".so"))
+ {
+ err = "This doesn't look like a module file to me...";
+ 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
+#ifdef IS_CYGWIN
+ // Cygwin behaviour is handled slightly differently
+ // With the advent of dynamic modules. Because Windows
+ // wont let you overwrite a file which is currently in
+ // Use, we can safely attempt to load the module from its
+ // Current location :)
+
+ h = dlopen(fname, RTLD_NOW );
+ err = (char*)dlerror();
+
+#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 = "Module file not found or cannot access, game over man!";
+ 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);
+ while (!feof(x))
+ {
+ int n = fread(buffer, 1, 65535, x);
+ if (n)
+ write(fd,buffer,n);
+ }
- h=dlopen( fname, RTLD_NOW );
- err=dlerror();
+ // Try to open the library now and get any error message.
+
+ h = dlopen(tmpfile_template, RTLD_NOW );
+ err = (char*)dlerror();
+ close(fd);
+ // We can delete the tempfile once it's loaded, leaving just the inode.
+ if (!Config->debugging)
+ unlink(tmpfile_template);
+#endif
+#endif
}
DLLManager::~DLLManager()
{
+#ifndef STATIC_LINK
// close the library if it isn't null
- if (h!=0)
- dlclose(h);
+ if (h != 0)
+ dlclose(h);
+#endif
}
-bool DLLManager::GetSymbol(void **v, const char *sym_name)
+
+#ifdef STATIC_LINK
+
+bool DLLManager::GetSymbol(initfunc* &v, char *sym_name)
+{
+ 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
+
+bool DLLManager::GetSymbol(void **v, char *sym_name)
{
// try extract a symbol from the library
// get any error message is there is any
- if( h!=0 )
+ if(h != 0)
{
*v = dlsym( h, sym_name );
- err=dlerror();
- if( err==0 )
- return true;
- else
- return false;
+ err = (char*)dlerror();
+ if( err == 0 )
+ return true;
+ else
+ return false;
}
else
{
- return false;
+ return false;
}
-
}
+#endif
-DLLFactoryBase::DLLFactoryBase(const char *fname, const char *factory) : DLLManager(fname)
+DLLFactoryBase::DLLFactoryBase(char *fname, char *factory) : DLLManager(fname)
{
// try get the factory function if there is no error yet
- factory_func=0;
+ factory_func = 0;
- if( LastError()==0 )
- {
- GetSymbol( (void **)&factory_func, factory ? factory : "init_module" );
+ if(LastError() == 0)
+ {
+#ifdef STATIC_LINK
+ GetSymbol( factory_func, factory ? factory : (char*)"init_module" );
+#else
+ GetSymbol( (void **)&factory_func, factory ? factory : (char*)"init_module" );
+#endif
}
-
}
DLLFactoryBase::~DLLFactoryBase()
{
}
-
-
-