comparison: security.d/chk_group
security.d/chk_group
- changeset 0
- 8ba6a0e2d2ca
- child 14
- 59e07bba67cc
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| -1:000000000000 | 0:8ba6a0e2d2ca |
|---|---|
| 1 #!/bin/bash | |
| 2 # | |
| 3 # $Id$ | |
| 4 # | |
| 5 ############################################################################# | |
| 6 # Copyright (C) 2005 | |
| 7 # | |
| 8 # Michiel Broek <mbse@mbse.dds.nl> | |
| 9 # Beekmansbos 10 | |
| 10 # 1971 BV IJmuiden | |
| 11 # the Netherlands | |
| 12 # | |
| 13 # This file is part of SlackSecCheckSripts. | |
| 14 # | |
| 15 # This package is free software; you can redistribute it and/or modify it | |
| 16 # under the terms of the GNU General Public License as published by the | |
| 17 # Free Software Foundation; either version 2, or (at your option) any | |
| 18 # later version. | |
| 19 # | |
| 20 # SlackSecCheckSripts is distributed in the hope that it will be useful, but | |
| 21 # WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 22 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 23 # General Public License for more details. | |
| 24 # | |
| 25 # You should have received a copy of the GNU General Public License | |
| 26 # along with MBSE BBS; see the file COPYING. If not, write to the Free | |
| 27 # Software Foundation, 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. | |
| 28 ############################################################################# | |
| 29 | |
| 30 | |
| 31 PATH=/sbin:/usr/sbin:/bin:/usr/bin | |
| 32 | |
| 33 umask 077 | |
| 34 TZ=UTC; export TZ | |
| 35 LANG=C; export LANG | |
| 36 | |
| 37 SECUREDIR=`mktemp -d /tmp/_securedir.XXXXXX` || exit 1 | |
| 38 | |
| 39 trap "/bin/rm -rf $SECUREDIR ; exit 0" EXIT INT QUIT PIPE | |
| 40 | |
| 41 if ! cd "$SECUREDIR"; then | |
| 42 echo "Can not cd to $SECUREDIR". | |
| 43 exit 1 | |
| 44 fi | |
| 45 | |
| 46 max_grouplen=${max_grouplen:-16} | |
| 47 OUTPUT=secure1.$$ | |
| 48 | |
| 49 # Check group file | |
| 50 # | |
| 51 GRP=/etc/group | |
| 52 awk -F: -v "len=$max_grouplen" '{ | |
| 53 if ($0 ~ /^[ ]*$/) { | |
| 54 printf "\tLine %d is a blank line.\n", NR; | |
| 55 next; | |
| 56 } | |
| 57 if (NF != 4 && ($1 != "+" || NF != 1)) | |
| 58 printf "\tLine %d has the wrong number of fields.\n", NR; | |
| 59 if ($1 == "+" ) { | |
| 60 next; | |
| 61 } | |
| 62 if ($1 !~ /^[A-Za-z0-9]([-A-Za-z0-9]*[A-Za-z0-9])*$/) | |
| 63 printf "\tGroup %s has non-alphanumeric characters.\n", | |
| 64 $1; | |
| 65 if (length($1) > len) | |
| 66 printf "\tGroup %s has more than "len" characters.\n", $1; | |
| 67 if ($3 !~ /[0-9]*/) | |
| 68 printf "\tLogin %s has a negative group id.\n", $1; | |
| 69 }' < $GRP > $OUTPUT | |
| 70 if [ -s $OUTPUT ] ; then | |
| 71 printf "\nChecking the $GRP file:\n" | |
| 72 cat $OUTPUT | |
| 73 fi | |
| 74 | |
| 75 awk -F: '{ print $1 }' $GRP | sort | uniq -d > $OUTPUT | |
| 76 if [ -s $OUTPUT ] ; then | |
| 77 printf "\n\t$GRP has duplicate group names.\n" | |
| 78 column $OUTPUT | |
| 79 fi | |
| 80 | |
| 81 |
