X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fdynamic.cpp;h=70d5e7cae8b5a47d278c0199ba381f284889d693;hb=b43fc66c17c2bef6dca66a966676b8128d5774ee;hp=d38405d48f5507899091bb21732200a44ea98d78;hpb=923586e54c005780edcc5c427bb4698caf16bcf0;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/dynamic.cpp b/src/dynamic.cpp index d38405d48..70d5e7cae 100644 --- a/src/dynamic.cpp +++ b/src/dynamic.cpp @@ -2,206 +2,61 @@ * | Inspire Internet Relay Chat Daemon | * +------------------------------------+ * - * InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev. - * E-mail: - * - * - * - * Written by Craig Edwards, Craig McLure, and others. + * InspIRCd: (C) 2002-2009 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 -#else -#include "modlist.h" #endif -#include "inspstring.h" -#include "helperfuncs.h" -#include -#include -#include - -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; - } - log(DEBUG,"Opened module file %s",fname); - 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; - } - log(DEBUG,"Copying %s to %s",fname, tmpfile_template); - 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; - } - } - } - log(DEBUG,"Copied entire file."); - // Try to open the library now and get any error message. - - if (close(fd) == -1) - err = strerror(errno); - if (fclose(x) == EOF) - err = strerror(errno); h = dlopen(fname, RTLD_NOW|RTLD_LOCAL); if (!h) { - log(DEBUG,"dlerror occured!"); - err = (char*)dlerror(); - return; - } - - log(DEBUG,"Finished loading '%s': %0x",tmpfile_template, h); - - // We can delete the tempfile once it's loaded, leaving just the inode. - if (!err && !Config->debugging) - { - log(DEBUG,"Deleteting %s",tmpfile_template); - if (unlink(tmpfile_template) == -1) - err = strerror(errno); + err = dlerror(); } -#endif } DLLManager::~DLLManager() { -#ifndef STATIC_LINK - // close the library if it isn't null + /* close the library */ if (h) dlclose(h); -#endif } +union init_t { + void* vptr; + Module* (*fptr)(); +}; - -#ifdef STATIC_LINK - -bool DLLManager::GetSymbol(initfunc* &v, const 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, const char* sym_name) +Module* DLLManager::callInit() { - // try extract a symbol from the library - // get any error message is there is any - - if (h) - { - log(DEBUG,"Found symbol %s", sym_name); - dlerror(); // clear value - *v = dlsym(h, sym_name); - err = (char*)dlerror(); - if (!*v || err) - return false; - } - - if (err) - { - return false; - } - else - { - return true; - } -} - -#endif + if (!h) + return NULL; -DLLFactoryBase::DLLFactoryBase(const char* fname, const char* symbol) : DLLManager(fname) -{ - // try get the factory function if there is no error yet - factory_func = 0; - - if (!LastError()) + init_t initfn; + initfn.vptr = dlsym(h, MODULE_INIT_STR); + if (!initfn.vptr) { -#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!"); - } + err = dlerror(); + return NULL; } -} -DLLFactoryBase::~DLLFactoryBase() -{ + return (*initfn.fptr)(); } -