From 74ad73c808ecbd4e0ccdfb1d6893b65c68647c62 Mon Sep 17 00:00:00 2001
From: netblue30 <netblue30@yahoo.com>
Date: Sat, 1 Oct 2016 09:36:22 -0400
Subject: x11 detection support for --audit

---
 src/faudit/x11.c | 62 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 62 insertions(+)
 create mode 100644 src/faudit/x11.c

(limited to 'src/faudit/x11.c')

diff --git a/src/faudit/x11.c b/src/faudit/x11.c
new file mode 100644
index 000000000..e1a4bf66e
--- /dev/null
+++ b/src/faudit/x11.c
@@ -0,0 +1,62 @@
+/*
+ * 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 <sys/socket.h>
+#include <dirent.h>
+
+
+void x11_test(void) {
+	// check regular display 0 sockets
+	if (check_unix("/tmp/.X11-unix/X0") == 0)
+		printf("MAYBE: X11 socket /tmp/.X11-unix/X0 is available\n");
+
+	if (check_unix("@/tmp/.X11-unix/X0") == 0)
+		printf("MAYBE: X11 socket @/tmp/.X11-unix/X0 is available\n");
+		
+	// check all unix sockets in /tmp/.X11-unix directory
+	DIR *dir;
+	if (!(dir = opendir("/tmp/.X11-unix"))) {
+		// sleep 2 seconds and try again
+		sleep(2);
+		if (!(dir = opendir("/tmp/.X11-unix")))
+			;
+	}
+	
+	if (dir == NULL)
+		printf("GOOD: cannot open /tmp/.X11-unix directory\n");
+	else {
+		struct dirent *entry;
+		while ((entry = readdir(dir)) != NULL) {
+			if (strcmp(entry->d_name, "X0") == 0)
+				continue;
+			if (strcmp(entry->d_name, ".") == 0)
+				continue;
+			if (strcmp(entry->d_name, "..") == 0)
+				continue;
+			char *name;
+			if (asprintf(&name, "/tmp/.X11-unix/%s", entry->d_name) == -1)
+				errExit("asprintf");
+			if (check_unix(name) == 0)
+				printf("MAYBE: X11 socket %s is available\n", name);
+			free(name);
+		}
+		closedir(dir);
+	}
+}
-- 
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