代码: 
#! /usr/local/bin/expect -f 
#username is passed as 1st arg,password as 2nd 
set password [lindex $argv 1] 
spawn passwd [lindex $argv 0] 
expect "*Password:" 
send "$password\r" 
expect "*Password:" 
send "$password\r" 
expect eof

代码: 
#!/sbin/sh 
# ftpuseradd 
usage() 
{ 
echo "Usage: `basename $0` [-w] [-m maxrate] username password" 
exit 1 
} 
WRITABLE="no" # can't upload 
MAXRATE="64000" # default max rate is 64Kb 
OPT="no" 

while getopts :wm: OPTION 
do 
 case $OPTION in 
 w) WRITABLE="yes" 
   OPT="yes" 
   ;; 
 m) MAXRATE=$OPTARG 
   OPT="yes" 
   ;; 
 \?) usage 
   ;; 
 esac 
done 

shift `expr $OPTIND - 1` 

if [ $# -ne 2 ] 
then 
 usage 
fi 

USERNAME=$1 
PASSWORD=$2 

useradd -d /dev/null -g ftp -s /bin/false $USERNAME 

if [ $? -eq 0 ] 
then 
 setpasswd.exp $USERNAME $PASSWORD > /dev/null 

 echo "anon_world_readable_only=NO" > /etc/vsftpd/$USERNAME 
 echo "anon_max_rate=$MAXRATE" >> /etc/vsftpd/$USERNAME 

 if [ "$WRITABLE" = "yes" ] 
 then 
   echo "write_enable=YES" >> /etc/vsftpd/$USERNAME 
   echo "anon_upload_enable=YES" >> /etc/vsftpd/$USERNAME 
   echo "anon_mkdir_write_enable=YES" >> /etc/vsftpd/$USERNAME 
   echo "anon_other_write_enable=YES" >> /etc/vsftpd/$USERNAME 
 fi 
  
 echo "$USERNAME" >> /etc/vsftpd.user_list 
  
 mkdir /data/ftp/$USERNAME 
 chown ftp:ftp /data/ftp/$USERNAME 
fi

代码: 
#!/sbin/sh 
# ftpuserdel 
usage() 
{ 
echo "Usage: `basename $0` [-r] username" 
exit 1 
} 
REMOVEDIR="no" 

while getopts :r OPTION 
do 
 case $OPTION in 
 r) REMOVEDIR="yes" 
   ;; 
 \?) usage 
   ;; 
 esac 
done 

shift `expr $OPTIND - 1` 

if [ $# -ne 1 ] 
then 
 usage 
fi 

USERNAME=$1 

userdel $USERNAME 
if [ $? -eq 0 ] 
then 
 if [ -f /etc/vsftpd.user_list ] 
 then 
   cat /etc/vsftpd.user_list | sed "/^$USERNAME$/d" | sed '1,$ w /etc/vsftpd.user_list' > /dev/null 
 fi 
 if [ -f /etc/vsftpd/$USERNAME ] 
 then 
   rm -f /etc/vsftpd/$USERNAME > /dev/null 
 fi 
 if [ -d /data/ftp/$USERNAME -a "$REMOVEDIR" = "yes" ] 
 then 
   rm -rf /data/ftp/$USERNAME > /dev/null 
 fi 
fi

代码: 
#!/sbin/sh 
# ftppasswd 
usage() 
{ 
echo "Usage: `basename $0` username password" 
exit 1 
} 
if [ $# -ne 2 ] 
then 
 usage 
fi 

USERNAME=$1 
PASSWORD=$2 

setpasswd.exp $USERNAME $PASSWORD