Date: Mon, 15 Apr 1996 18:09:22 -0500 (EST) From: Andy Smith <andy.smith@reuters.com> To: questions@freebsd.org Subject: FreeBSD 2.1 SUID Message-ID: <1722091815041996/A16461/REOA2/11A47C891500*@MHS>
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I hope you can help with a small problem that I have using FreeBSD to implement a Firewall. First off let me just say that I am very impressed with FreeBSD and have used in to implement a number of large projects, including this one, in preference to Sun. The system is a Pentium PC with IDE HD, IDE SyQuest, Mitsumi CD Rom, 32Mb RAM. It is FreeBSD 2.1, with a recompiled kernel, removing NFS, SCSI etc. Most of the unused binaries have been removed from the system. The problem is I have a C program, that runs as user operator, with UID 3. I need this user to be able to modify some files in /etc, so I have a sh script that should run suid root. This script is simply #! /bin/sh # cp /usr/local/proto/weekly /etc/weekly cp /usr/local/proto/daily /etc/daily cp /usr/local/proto/security /etc/security ... Plus more of the same This script is called on exit from the C program. The sh script is owned by root.wheel and has permissions -rwsr-----. So that it 'should' suid to root as it runs, unfortunately this is not the case, and it runs with uid 3, the operator. How can I get this (or any) shell script to run SUID root?? Thanks Andy
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