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File: [Pegasus] / pegasus / src / Pegasus / Common / SystemUnix.cpp
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Revision: 1.40, Mon Jun 3 18:32:35 2002 UTC (22 years, 1 month ago) by kumpf Branch: MAIN CVS Tags: VERSION_2_00_RC_4, VERSION_2_00_RC_3, VERSION_2_00_RC_2, VERSION_2_00_RC_1, VERSION_2_00_BRANCH, VERSION_1_10 Changes since 1.39: +5 -7 lines HP-RK Complete phase-out of PEG_FUNC_ENTER/PEG_FUNC_EXIT macros. Replace with PEG_METHOD_ENTER/PEG_METHOD_EXIT. |
//%///////////////////////////////////////////////////////////////////////////// // // Copyright (c) 2000, 2001, 2002 BMC Software, Hewlett-Packard Company, IBM, // The Open Group, Tivoli Systems // // Permission is hereby granted, free of charge, to any person obtaining a copy // of this software and associated documentation files (the "Software"), to // deal in the Software without restriction, including without limitation the // rights to use, copy, modify, merge, publish, distribute, sublicense, and/or // sell copies of the Software, and to permit persons to whom the Software is // furnished to do so, subject to the following conditions: // // THE ABOVE COPYRIGHT NOTICE AND THIS PERMISSION NOTICE SHALL BE INCLUDED IN // ALL COPIES OR SUBSTANTIAL PORTIONS OF THE SOFTWARE. THE SOFTWARE IS PROVIDED // "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT // LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR // PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT // HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN // ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. // //============================================================================== // // Author: Mike Brasher (mbrasher@bmc.com) // // Modified By: Ben Heilbronn (ben_heilbronn@hp.com) // // Sushma Fernandes (sushma_fernandes@hp.com) // // Nag Boranna (nagaraja_boranna@hp.com) // //%///////////////////////////////////////////////////////////////////////////// #ifdef PEGASUS_OS_HPUX # include <dl.h> #elif defined(PEGASUS_PLATFORM_ZOS_ZSERIES_IBM) # include <dll.h> #else # include <dlfcn.h> #endif #include <unistd.h> #include <dirent.h> #include <pwd.h> #ifndef PEGASUS_PLATFORM_ZOS_ZSERIES_IBM #include <crypt.h> #else #include <unistd.h> #endif #include "System.h" #include <sys/stat.h> #include <sys/types.h> #include <cstdio> #include <time.h> #include <netdb.h> #include <Pegasus/Common/Tracer.h> #include <Pegasus/Common/Destroyer.h> #include <Pegasus/Common/Exception.h> #ifdef PEGASUS_PLATFORM_LINUX_IX86_GNU #include <pwd.h> #endif PEGASUS_NAMESPACE_BEGIN #include <sys/time.h> #include <unistd.h> #if defined(PEGASUS_OS_HPUX) Boolean System::bindVerbose = false; #endif inline void sleep_wrapper(Uint32 seconds) { sleep(seconds); } void System::getCurrentTime(Uint32& seconds, Uint32& milliseconds) { timeval tv; gettimeofday(&tv, 0); seconds = Uint32(tv.tv_sec); milliseconds = Uint32(tv.tv_usec) / 1000; } String System::getCurrentASCIITime() { char str[50]; time_t rawTime; time(&rawTime); strftime(str, 40,"%m/%d/%Y-%T", localtime(&rawTime)); String time = str; return time; } void System::sleep(Uint32 seconds) { sleep_wrapper(seconds); } Boolean System::exists(const char* path) { return access(path, F_OK) == 0; } Boolean System::canRead(const char* path) { return access(path, R_OK) == 0; } Boolean System::canWrite(const char* path) { return access(path, W_OK) == 0; } Boolean System::getCurrentDirectory(char* path, Uint32 size) { return getcwd(path, size) != NULL; } Boolean System::isDirectory(const char* path) { struct stat st; if (stat(path, &st) != 0) return false; return S_ISDIR(st.st_mode); } Boolean System::changeDirectory(const char* path) { return chdir(path) == 0; } Boolean System::makeDirectory(const char* path) { return mkdir(path, 0777) == 0; } Boolean System::getFileSize(const char* path, Uint32& size) { struct stat st; if (stat(path, &st) != 0) return false; size = st.st_size; return true; } Boolean System::removeDirectory(const char* path) { return rmdir(path) == 0; } Boolean System::removeFile(const char* path) { return unlink(path) == 0; } Boolean System::renameFile(const char* oldPath, const char* newPath) { if (link(oldPath, newPath) != 0) return false; return unlink(oldPath) == 0; } DynamicLibraryHandle System::loadDynamicLibrary(const char* fileName) { PEG_METHOD_ENTER(TRC_OS_ABSTRACTION, "System::loadDynamicLibrary()"); Tracer::trace(TRC_OS_ABSTRACTION, Tracer::LEVEL2, "Attempting to load library %s", fileName); #if defined(PEGASUS_OS_HPUX) void* handle; if (bindVerbose) { handle = shl_load(fileName, BIND_IMMEDIATE | DYNAMIC_PATH | BIND_VERBOSE, 0L); } else { handle = shl_load(fileName, BIND_IMMEDIATE | DYNAMIC_PATH, 0L); } Tracer::trace(TRC_OS_ABSTRACTION, Tracer::LEVEL2, "After loading lib %s, error code is %d", fileName, (handle == (void *)0)?errno:0); PEG_METHOD_EXIT(); return DynamicLibraryHandle(handle); #elif defined(PEGASUS_OS_TRU64) PEG_METHOD_EXIT(); return DynamicLibraryHandle(dlopen(fileName, RTLD_NOW)); #elif defined(PEGASUS_OS_ZOS) PEG_METHOD_EXIT(); return DynamicLibraryHandle(dllload(fileName)); #else PEG_METHOD_EXIT(); return DynamicLibraryHandle(dlopen(fileName, RTLD_NOW | RTLD_GLOBAL)); #endif } void System::unloadDynamicLibrary(DynamicLibraryHandle libraryHandle) { // ATTN: Should this method indicate success/failure? #ifdef PEGASUS_OS_LINUX dlclose(libraryHandle); #endif #ifdef PEGASUS_OS_HPUX // Note: shl_unload will unload the library even if it has been loaded // multiple times. No reference count is kept. int ignored = shl_unload(reinterpret_cast<shl_t>(libraryHandle)); #endif } String System::dynamicLoadError() { // ATTN: Is this safe in a multi-threaded process? Should this string // be returned from loadDynamicLibrary? #ifdef PEGASUS_OS_HPUX // ATTN: If shl_load() returns NULL, this value should be strerror(errno) return String(); #elif defined(PEGASUS_OS_ZOS) return String(); #else String dlerr = dlerror(); return dlerr; #endif } DynamicSymbolHandle System::loadDynamicSymbol( DynamicLibraryHandle libraryHandle, const char* symbolName) { #ifdef PEGASUS_OS_HPUX char* p = (char*)symbolName; void* proc = 0; if (shl_findsym((shl_t*)&libraryHandle, symbolName, TYPE_UNDEFINED, &proc) == 0) { return DynamicSymbolHandle(proc); } ArrayDestroyer<char> _p((String("_") + symbolName).allocateCString()); if (shl_findsym((shl_t*)libraryHandle, _p.getPointer(), TYPE_UNDEFINED, &proc) == 0) { return DynamicSymbolHandle(proc); } return 0; #elif defined(PEGASUS_OS_ZOS) return DynamicSymbolHandle(dllqueryfn((dllhandle *)libraryHandle, (char*)symbolName)); #else return DynamicSymbolHandle(dlsym(libraryHandle, (char*)symbolName)); #endif } String System::getHostName() { static char hostname[64]; if (!*hostname) gethostname(hostname, sizeof(hostname)); return hostname; } String System::getFullyQualifiedHostName () { #ifdef PEGASUS_OS_HPUX char hostName [MAXHOSTNAMELEN]; struct hostent *he; String fqName; if (gethostname (hostName, MAXHOSTNAMELEN) != 0) { return String::EMPTY; } if (he = gethostbyname (hostName)) { strcpy (hostName, he->h_name); } fqName.assign (hostName); return fqName; #else // // ATTN: Implement this method to return the fully qualified host name // return String::EMPTY; #endif } String System::getSystemCreationClassName () { #ifdef PEGASUS_OS_HPUX return "CIM_ComputerSystem"; #else // // ATTN: Implement this method to return the system creation class name // return String::EMPTY; #endif } Uint32 System::lookupPort( const char * serviceName, Uint32 defaultPort) { Uint32 localPort; struct servent *serv; // // Get wbem-local port from /etc/services // if ( (serv = getservbyname(serviceName, TCP)) != NULL ) { localPort = serv->s_port; } else { localPort = defaultPort; } return localPort; } String System::getPassword(const char* prompt) { String password; password = String(getpass( prompt )); return password; } String System::getEffectiveUserName() { String userName = String::EMPTY; struct passwd* pwd = NULL; // // get the currently logged in user's UID. // pwd = getpwuid(geteuid()); if ( pwd == NULL ) { //ATTN: Log a message // "User might have been removed just after login" } else { // // get the user name // userName.assign(pwd->pw_name); } return(userName); } String System::encryptPassword(const char* password, const char* salt) { return ( String(crypt( password,salt)) ); } Boolean System::isSystemUser(char* userName) { // // get the password entry for the user // if ( getpwnam(userName) == NULL ) { return false; } return true; } Boolean System::isPrivilegedUser(const String userName) { // // Check if the given user is a privileged user // struct passwd pwd; struct passwd *result; char pwdBuffer[1024]; ArrayDestroyer<char> userName_(userName.allocateCString()); if (getpwnam_r(userName_.getPointer(), &pwd, pwdBuffer, 1024, &result) == 0) { if ( pwd.pw_uid == 0 ) { return true; } } return false; } String System::getPrivilegedUserName() { static String userName = String::EMPTY; if (userName == String::EMPTY) { struct passwd* pwd = NULL; // // get the privileged user's UID. // pwd = getpwuid(0); if ( pwd != NULL ) { // // get the user name // userName.assign(pwd->pw_name); } else { PEGASUS_ASSERT(0); } } return (userName); } Uint32 System::getPID() { // // Get the Process ID // Uint32 pid = getpid(); return pid; } Boolean System::truncateFile( const char* path, size_t newSize) { return (truncate(path, newSize) == 0); } PEGASUS_NAMESPACE_END
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