faudit work

1 files changed, 48 insertions, 0 deletions

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 <dirent.h>
+
+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);
+}