diff -up cups-1.3.10/cups/tempfile.c.str3382 cups-1.3.10/cups/tempfile.c --- cups-1.3.10/cups/tempfile.c.str3382 2008-07-12 00:48:49.000000000 +0200 +++ cups-1.3.10/cups/tempfile.c 2009-10-20 15:23:25.000000000 +0200 @@ -35,6 +35,7 @@ # include #else # include +# include #endif /* WIN32 || __EMX__ */ @@ -56,7 +57,7 @@ cupsTempFd(char *filename, /* I - Point char tmppath[1024]; /* Windows temporary directory */ DWORD curtime; /* Current time */ #else - struct timeval curtime; /* Current time */ + mode_t old_umask; /* Old umask before using mkstemp() */ #endif /* WIN32 */ @@ -107,33 +108,25 @@ cupsTempFd(char *filename, /* I - Point snprintf(filename, len - 1, "%s/%05lx%08lx", tmpdir, GetCurrentProcessId(), curtime); -#else - /* - * Get the current time of day... - */ - - gettimeofday(&curtime, NULL); - - /* - * Format a string using the hex time values... - */ - - snprintf(filename, len - 1, "%s/%08lx%05lx", tmpdir, - (unsigned long)curtime.tv_sec, (unsigned long)curtime.tv_usec); -#endif /* WIN32 */ /* * Open the file in "exclusive" mode, making sure that we don't * stomp on an existing file or someone's symlink crack... */ -#ifdef WIN32 fd = open(filename, _O_CREAT | _O_RDWR | _O_TRUNC | _O_BINARY, _S_IREAD | _S_IWRITE); -#elif defined(O_NOFOLLOW) - fd = open(filename, O_RDWR | O_CREAT | O_EXCL | O_NOFOLLOW, 0600); #else - fd = open(filename, O_RDWR | O_CREAT | O_EXCL, 0600); + /* + * Use the standard mkstemp() call to make a temporary filename + * securely. -- andrew.wood@jdplc.com + */ + + snprintf(filename, len - 1, "%s/cupsXXXXXX", tmpdir); + + old_umask = umask(0077); + fd = mkstemp(filename); + umask(old_umask); #endif /* WIN32 */ if (fd < 0 && errno != EEXIST)