简化samba用户添加 smbuseradd.sh

＃在slackware, red hat, suse linux上测试通过。（假设samba配置目录在/etc/samba）

#!/bin/sh
# smbuseradd.sh v0.3
# [e-mail]

if [  $# -ne 1 ]; then
        echo "Usage: `basename $0` "
        exit 1
fi

if [ "`id -u`" != 0 ]; then
        echo "you must run this script as root"
        exit 1
fi

username=$1

# 0. check whether the samba config and passwd db file are exist
smbconf_file=`find /etc -name 'smb.conf'`
if [ "x$smbconf_file" = "x" ]; then
        echo "not find smb.conf file in dir /etc"
        smbconf_file=`find /etc -name 'smb.conf*'`
        if [ "x$smbconf_file" = "x" ]; then
                exit 1
        else
                echo "  get a copy from $smbconf_file"
                echo "  cp $smbconf_file ${smbconf_file/smb.conf*/smb.conf} ..."
                cp $smbconf_file ${smbconf_file/smb.conf*/smb.conf}
        fi
fi
smbpasswd_file=`find /etc -name smbpasswd`
if [ "x$smbpasswd_file" = x ]; then
        echo "not find the smbpasswd db file"
        exit 1
fi

# 1. and a system user with same name
if ! grep -q "^$username:" /etc/passwd; then
        useradd -m $username
        if [ $? -ne 0 ]; then
                exit 1
        fi
fi

# 2. and the smb user
if ! grep -q "^$username:" $smbpasswd_file; then
        # and smb user, if the user not exist
        grep "^$username:" /etc/passwd |
                awk 'BEGIN { FS=":"
                }
                { printf( "%s:%s:XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX:XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX:[UD         ]:LCT-00000000:%s\n", $1, $3, $5) }
                ' >>$smbpasswd_file
        if [ $? -ne 0 ]; then
                echo "and smb user faild"
                exit 1
        fi
        echo "and smb user [$username] successfully";
        exist=0
else
        echo "smb user [$username] have existed";
        exist=1
fi

# 3. set samba passwd for the samba user
if [ $exist = 0 ]; then
        echo "please set a smbpasswd for [$username]"
        setpasswd="Y"
else
        echo "do you want to set(or modify) smbpasswd for [$username]"
        echo -n "{[Yy]*:yes, [other char]*:no} [y/n]? "
        read setpasswd
fi

if echo $setpasswd | grep -q "^[Yy]"; then
        smbpasswd $username
        if [ $? -ne 0 ]; then
                exit 1
        fi
fi