nldev

commit 7b9e5ae8574e3964f83084d647be6d6b00c04761
parent 72e47aa0fcc6a88984076cc7839c9e2ba15ff53f
Author: Christoph Lohmann <20h@r-36.net>
Date:   Fri, 18 May 2012 15:20:43 +0200

Sanitizing env handling for children and using busbox for scripts.

Diffstat:
nldev.c
 | 
12
++----------
nltrigger
 | 
2
+-
run_nldev
 | 
4
++--

3 files changed, 5 insertions(+), 13 deletions(-)
diff --git a/nldev.c b/nldev.c
@@ -231,16 +231,8 @@ main(int argc, char *argv[])
 
 	buf[sizeof(buf)-1] = '\0';
 	while (poll(&fds, 1, -1) > -1) {
-		unsetenv("ACTION");
-		unsetenv("DEVPATH");
-		unsetenv("SUBSYSTEM");
-		unsetenv("SEQNUM");
-		unsetenv("MODALIAS");
-		unsetenv("DEVNAME");
-		unsetenv("DEVTYPE");
-		unsetenv("MAJOR");
-		unsetenv("MINOR");
-		unsetenv("FIRMWARE");
+		clearenv();
+		setenv("PATH", "/sbin:/bin", 1);
 
 		iov.iov_base = &buf;
 		iov.iov_len = sizeof(buf);
diff --git a/nltrigger b/nltrigger
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/busybox ash
 
 if [ $# -eq 0 ];
 then
diff --git a/run_nldev b/run_nldev
@@ -1,8 +1,8 @@
-#!/bin/sh
+#!/bin/busybox ash
 
 if [ -e /proc/self/fd ];
 then
-	mkdir -p /dev/fd
+	rm -f /dev/fd 2>/dev/null
 	ln -s /proc/self/fd /dev/fd
 fi