From 80ccd124b6e510f820f5ccca7dd6b8acc3671e6a Mon Sep 17 00:00:00 2001 From: netblue30 Date: Fri, 15 Jul 2016 12:10:58 -0400 Subject: faudit work --- src/faudit/dev.c | 48 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 48 insertions(+) create mode 100644 src/faudit/dev.c (limited to 'src/faudit/dev.c') diff --git a/src/faudit/dev.c b/src/faudit/dev.c new file mode 100644 index 000000000..52506a258 --- /dev/null +++ b/src/faudit/dev.c @@ -0,0 +1,48 @@ +/* + * Copyright (C) 2014-2016 Firejail Authors + * + * This file is part of firejail project + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +*/ +#include "faudit.h" +#include + +void dev_test(void) { + DIR *dir; + if (!(dir = opendir("/dev"))) { + fprintf(stderr, "Error: cannot open /dev directory\n"); + return; + } + + struct dirent *entry; + char *end; + printf("INFO: files visible in /dev directory: "); + int cnt = 0; + while ((entry = readdir(dir)) != NULL) { + if (strcmp(entry->d_name, ".") == 0 || strcmp(entry->d_name, "..") == 0) + continue; + + printf("%s, ", entry->d_name); + cnt++; + } + printf("\n"); + + if (cnt > 20) + printf("MAYBE: /dev directory seems to be fully populated. Use --private-dev or --whitelist to restrict the access.\n"); + else + printf("GOOD: Access to /dev directory is restricted.\n"); + closedir(dir); +} -- cgit v1.2.3-54-g00ecf