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发信人: sjhuang@csie.nctu.edu.tw (chauffeur), 信区: Linux
标  题: adduser & deluser

刚刚才知道 debian 有 adduserutil,也是用shell script 写的.
前几篇有人问deluser,贴一下 deluser:
作者考虑到 homedir,passwd entry,还有 mail spool,至於 crontab 就可以参考他
砍 mail spool 的地方...

[板主 mglow 注]
        此法对有装 shadow password 的系统无效...

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#!/bin/sh
# Primitive attempt to provide a facilty to erase users from /etc/passwd
# etc.
# Christoph Lameter, 24. September 1996

if [ "$1" = "" ]; then
        echo -e "Usage: deluser <userid>\n"
        exit 1;
else
        if grep -q "^$1:" /etc/passwd; then
                if [ -f /etc/ptmp ]; then
                        echo "/etc/passwd locked (/etc/ptmp)."
                        exit 2
                fi
                touch /etc/ptmp
                HOMEDIR=`awk -F: "/^$1:/ { print \$6 }" </etc/passwd`
                if "$HOMEDIR" = ""; then
                        echo "Homedirectory not valid!";
                else
                        rm -rf $HOMEDIR
                fi
                rm /var/spool/mail/$1 2>/dev/null
                cp /etc/passwd /etc/passwd~
                sed -e "/^$1:/d" </etc/passwd~ >/etc/passwd
                rm /etc/ptmp
                echo "User $1 removed"
                if grep -q $1 /etc/group; then
                        echo "References to user $1 remaining in
/etc/group!"
                fi
        else
                echo "User $1 not in /etc/passwd"
        fi
fi

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