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https://git.hardenedbsd.org/hardenedbsd/HardenedBSD.git
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55 lines
1.3 KiB
Bash
55 lines
1.3 KiB
Bash
#!/bin/sh -
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#
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# @(#)security 5.3 (Berkeley) 5/28/91
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# $Id$
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#
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PATH=/sbin:/bin:/usr/bin
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host=`hostname -s`
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echo "Subject: $host security check output"
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LOG=/var/log
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TMP=/tmp/_secure.$$
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umask 027
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echo "checking setuid files and devices:"
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# don't have ncheck, but this does the equivalent of the commented out block.
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# note that one of the original problem, the possibility of overrunning
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# the args to ls, is still here...
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#
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# add this after -a when find supports isofs, and you don't want to check
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# your cd roms
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# \( ! \( -fstype isofs \) -o -prune \) \
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# do skip checking cdroms
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find / -fstype local -a \
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\( -perm -u+s -or -perm -g+s \) | \
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sed -e "/\/dev\//d" -e "s;//;/;g" | sort | xargs -n 20 ls -lgT > $TMP
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#MP=`mount -t ufs | sed 's;/dev/;&r;' | awk '{ print $1 " " $3 }'`
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#set $MP
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#ls -lgT `while test $# -ge 2; do
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# device=$1
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# shift
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# mount=$1
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# shift
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# ncheck -s $device | sed -e "/:$/d" -e "/\/dev\//d" \
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# -e "s;[^/]*;$mount;" -e "s;//;/;g" | sort
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#done` > $TMP
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if cmp $LOG/setuid.today $TMP >/dev/null; then :; else
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echo "$host setuid/device diffs:"
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diff $LOG/setuid.today $TMP
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mv $LOG/setuid.today $LOG/setuid.yesterday
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mv $TMP $LOG/setuid.today
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fi
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rm -f $TMP
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echo ""
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echo ""
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echo "checking for uids of 0:"
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awk 'BEGIN {FS=":"} $3=="0" {print $1,$3}' /etc/master.passwd
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