72 lines
1.9 KiB
Plaintext
72 lines
1.9 KiB
Plaintext
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#!/bin/bash
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# File ownership check for Check_MK
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# Ensures that no files outside of homedirs are owned by administrative users
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# Installed by BLSE 2.x ansible
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ADMIN_UID_MIN=200
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ADMIN_UID_MAX=599
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# http://www.debian.org/doc/debian-policy/ch-opersys.html
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# 0-99: Globally allocated by the Debian project
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# 100-199: (BLSE) Dynamically allocated system users and groups
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# 200-299: (BLSE) BLSE service users and groups
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# 300-499: (BLSE) reserved
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# 500-599: (BLSE) system administrators
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# 600-999: (BLSE) Dynamically allocated system users and groups
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# 64045: (BLSE) ceph
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function is_element_of {
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local TO_FIND=$1
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shift
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for ARRAY_ELEMENT in $*
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do
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if test $TO_FIND = $ARRAY_ELEMENT
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then
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return 0
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fi
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done
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return 1
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}
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OK=0
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WARNING=1
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FILESYSTEMs=(/ /var/log)
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MOUNTs=($(awk '{print $2}' '/proc/mounts'))
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FILEs=()
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for FILESYSTEM in ${FILESYSTEMs[@]}; do
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while IFS= read -r -d $'\0' FILE
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do
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if ! is_element_of "$FILE" ${FILESYSTEMs[*]}; then
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if is_element_of $FILE ${MOUNTs[*]}; then
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continue
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fi
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fi
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FILEs+=($FILE)
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done < <( find ${FILESYSTEM} -xdev -uid +${ADMIN_UID_MIN} -uid -${ADMIN_UID_MAX} \
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-not \( -type d -a \( -path /media -o -path /mnt \) \) \
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-not \( -name '.*.swp' -a -mtime -3 \) \
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-not \( -path '*/.git' -o -path '*/.git/*' \) \
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-not \( -path '*.dirtrack.Storable' \) \
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-not \( -path '/home/*' \) \
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-not \( -path '/tmp/*' \) \
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-not \( -path '/var/home/*' \) \
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-not \( -path '/var/log/gitlab/*' \) \
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-not \( -path '/var/spool/cron/crontabs/*' \) \
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-print0 2>/dev/null )
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done
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echo "<<<file_ownership>>>"
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if ! test ${#FILEs[*]} -eq 0; then
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echo -n "${#FILEs[*]} file(s) found with invalid ownership (must be UID outside of ${ADMIN_UID_MIN}-${ADMIN_UID_MAX}): "
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echo "${FILEs[*]}"
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exit $WARNING
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else
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echo "All files have valid ownership"
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exit $OK
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fi
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