Commit 5535b051 authored Sep 17, 2013 by Nick Kralevich

write_file: introduce O_NOFOLLOW, use sane mask

Don't follow symlinks when writing to a file.
Don't create world-writable files.

Bug: 10802869
Change-Id: Ifb55600d574307a535df878acb3347e02028cd30

parent 3a0d4b34

init/builtins.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -57,7 +57,7 @@ static int write_file(const char path, const char value)
		{
		int fd, ret, len;

		fd = open(path, O_WRONLY\|O_CREAT, 0622);
		fd = open(path, O_WRONLY\|O_CREAT\|O_NOFOLLOW, 0600);

		if (fd < 0)
		return -errno;