X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fdynamic.cpp;h=c75371a39b33cdbf73d3c1684dab430ea4a9e0fa;hb=eb28eaea35d9d109a0b7b890de9d957d562da675;hp=0e207dbd9513d61c46baf67d7896d4e053baa03f;hpb=6fa35bdb1814ef4eab42d050e283d05910dbf3d2;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/dynamic.cpp b/src/dynamic.cpp index 0e207dbd9..c75371a39 100644 --- a/src/dynamic.cpp +++ b/src/dynamic.cpp @@ -33,9 +33,9 @@ using namespace std; #include #include -extern ServerConfig* Config; +extern InspIRCd* ServerInstance; -DLLManager::DLLManager(char *fname) +DLLManager::DLLManager(const char *fname) { err = NULL; @@ -67,12 +67,13 @@ DLLManager::DLLManager(char *fname) FILE* x = fopen(fname,"rb"); if (!x) { - err = "Module file not found or cannot access, game over man!"; + 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()); + snprintf(tmpfile_template, 255, "%s/inspircd_file.so.%d.XXXXXXXXXX",ServerInstance->Config->TempDir,getpid()); int fd = mkstemp(tmpfile_template); if (fd == -1) { @@ -80,6 +81,7 @@ DLLManager::DLLManager(char *fname) err = strerror(errno); return; } + log(DEBUG,"Copying %s to %s",fname, tmpfile_template); while (!feof(x)) { int n = fread(buffer, 1, 65535, x); @@ -94,15 +96,31 @@ DLLManager::DLLManager(char *fname) } } } + log(DEBUG,"Copied entire file."); // Try to open the library now and get any error message. - - h = dlopen(tmpfile_template, RTLD_NOW ); - err = (char*)dlerror(); - close(fd); - fclose(x); + + 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 (!Config->debugging) - unlink(tmpfile_template); + if (!err && !ServerInstance->Config->debugging) + { + log(DEBUG,"Deleteting %s",tmpfile_template); + if (unlink(tmpfile_template) == -1) + err = strerror(errno); + } #endif } @@ -110,8 +128,8 @@ DLLManager::~DLLManager() { #ifndef STATIC_LINK // close the library if it isn't null - if (h != 0) - dlclose(h); + if (h) + dlclose(h); #endif } @@ -119,7 +137,7 @@ DLLManager::~DLLManager() #ifdef STATIC_LINK -bool DLLManager::GetSymbol(initfunc* &v, char *sym_name) +bool DLLManager::GetSymbol(initfunc* &v, const char *sym_name) { log(DEBUG,"Symbol search..."); for (int j = 0; modsyms[j].name; j++) @@ -138,45 +156,52 @@ bool DLLManager::GetSymbol(initfunc* &v, char *sym_name) #else -bool DLLManager::GetSymbol(void **v, char *sym_name) +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 != 0) + if (h) { - *v = dlsym( h, sym_name ); + log(DEBUG,"Found symbol %s", sym_name); + dlerror(); // clear value + *v = dlsym(h, sym_name); err = (char*)dlerror(); - if( err == 0 ) - return true; - else + if (!*v || err) return false; } + + if (err) + { + return false; + } else { - return false; + return true; } } #endif -DLLFactoryBase::DLLFactoryBase(char *fname, char *factory) : DLLManager(fname) +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() == 0) + if (!LastError()) { #ifdef STATIC_LINK - GetSymbol( factory_func, factory ? factory : (char*)"init_module" ); + if (!GetSymbol( factory_func, symbol ? symbol : "init_module")) #else - GetSymbol( (void **)&factory_func, factory ? factory : (char*)"init_module" ); + if (!GetSymbol( (void **)&factory_func, symbol ? symbol : "init_module")) #endif + { + throw ModuleException("Missing init_module() entrypoint!"); + } } } - DLLFactoryBase::~DLLFactoryBase() { } +