10 lines
530 B
Bash
10 lines
530 B
Bash
#!/usr/bin/env bash
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a_passwd_group_gid=("$(awk -F: '{print $4}' /etc/passwd | sort -u)")
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a_group_gid=("$(awk -F: '{print $3}' /etc/group | sort -u)")
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a_passwd_group_diff=("$(printf '%s\n' "${a_group_gid[@]}" "${a_passwd_group_gid[@]}" | sort | uniq -u)")
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while IFS= read -r l_gid; do
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awk -F: '($4 == '"$l_gid"') {print " - User: \"" $1 "\" has GID: \"" $4 "\" which does not exist in /etc/group" }' /etc/passwd
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exit 1
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done < <(printf '%s\n' "${a_passwd_group_gid[@]}" "${a_passwd_group_diff[@]}" | sort | uniq -D | uniq)
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exit 0
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