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Old 09-22-2006, 01:57 PM   #1
Freaks
LQ Newbie
 
Registered: Sep 2006
Posts: 1

Rep: Reputation: 0
Ncurses adduser or graphic useradd in Linux


Hi,

Does anybody know some software in ncurses that adds new user. Like you type in shell
adduser but I need that adduser would be graphic I mean written with Ncurses.
I saw in Slackware Linux that has something like that but I can't find this files.
I used also KUSER but this is Qt.

Any links programs, would be good.
 
Old 09-22-2006, 06:27 PM   #2
Aeiri
Member
 
Registered: Feb 2004
Posts: 307

Rep: Reputation: 30
The "adduser" script from Slackware is just a shell script... so if you want to use that, here's a copy of it.

Just copy/paste this into the file "/usr/sbin/adduser" and run "chmod 700 /usr/sbin/adduser".

Code:
#!/bin/bash
#
# Copyright 1995  Hrvoje Dogan, Croatia.
# Copyright 2002, 2003, 2004  Stuart Winter, West Midlands, England, UK.
# Copyright 2004  Slackware Linux, Inc., Concord, CA, USA
# All rights reserved.
#
# Redistribution and use of this script, with or without modification, is
# permitted provided that the following conditions are met:
#
# 1. Redistributions of this script must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
#
#  THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
#  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
#  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO
#  EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
#  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
#  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
#  OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
#  WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
#  OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
#  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
#
##########################################################################
# Program: /usr/sbin/adduser
# Purpose: Interactive front end to /usr/sbin/useradd for Slackware Linux
# Author : Stuart Winter <stuart@polplex.co.uk>
#          Based on the original Slackware adduser by Hrvoje Dogan
#          with modifications by Patrick Volkerding
# Version: 1.09
##########################################################################
# Usage..: adduser [<new_user_name>]
##########################################################################
# History #
###########
# v1.09 - 07/06/04 
#       * Added standard Slackware script licence to the head of this file.
# v1.08 - 25/04/04
#       * Disallow user names that begin with a numeric because useradd 
#         (from shadow v4.03) does not allow them. <sw>
# v1.07 - 07/03/03
#       * When supplying a null string for the uid (meaning 'Choose next available'), 
#         if there were file names in the range 'a-z' in the pwd then the 
#         egrep command considered these files rather than the null string. 
#         The egrep expression is now in quotes.  
#         Reported & fixed by Vadim O. Ustiansky <sw>
# v1.06 - 31/03/03
#       * Ask to chown user.group the home directory if it already exists.
#         This helps reduce later confusion when adding users whose home dir
#         already exists (mounted partition for example) and is owned
#         by a user other than the user to which the directory is being
#         assigned as home.  Default is not to chown.
#         Brought to my attention by mRgOBLIN. <sw>
# v1.05 - 04/01/03
#       * Advise & prevent users from creating logins with '.' characters
#         in the user name. <sw>
#       * Made pending account creation info look neater <sw>
# v1.04 - 09/06/02
#       * Catered for shadow-4.0.3's 'useradd' binary that no longer
#         will let you create a user that has any uppercase chars in it
#         This was reported on the userlocal.org forums
#         by 'xcp' - thanks. <sw,pjv>
# v1.03 - 20/05/02
#       * Support 'broken' (null lines in) /etc/passwd and 
#         /etc/group files <sw>       
#       * For recycling UIDs (default still 'off'), we now look in 
#         /etc/login.defs for the UID_MIN value and use it
#         If not found then default to 1000 <sw>
# v1.02 - 10/04/02
#       * Fix user-specified UID bug. <pjv>
# v1.01 - 23/03/02
#       * Match Slackware indenting style, simplify. <pjv>
# v1.00 - 22/03/02
#       * Created
#######################################################################

# Path to files
pfile=/etc/passwd
gfile=/etc/group
sfile=/etc/shells

# Paths to binaries
useradd=/usr/sbin/useradd
chfn=/usr/bin/chfn
passwd=/usr/bin/passwd
chmod=/bin/chmod

# Defaults
defhome=/home
defshell=/bin/bash
defchmod=711 # home dir permissions - may be preferable to use 701, however.
defgroup=users

# Determine what the minimum UID is (for UID recycling)
# (we ignore it if it's not at the beginning of the line (i.e. commented out with #))
export recycleUIDMIN="$(grep ^UID_MIN /etc/login.defs | awk '{print $2}' 2>/dev/null)"
# If we couldn't find it, set it to the default of 1000
if [ -z "$recycleUIDMIN" ]; then
   export recycleUIDMIN=1000  # this is the default from Slackware's /etc/login.defs
fi


# This setting enables the 'recycling' of older unused UIDs.
# When you userdel a user, it removes it from passwd and shadow but it will
# never get used again unless you specify it expliticly -- useradd (appears to) just
# look at the last line in passwd and increment the uid.  I like the idea of 
# recycling uids but you may have very good reasons not to (old forgotten
# confidential files still on the system could then be owned by this new user).
# We'll set this to no because this is what the original adduser shell script
# did and it's what users expect.
recycleuids=no

# Function to read keyboard input.
# bash1 is broken (even ash will take read -ep!), so we work around
# it (even though bash1 is no longer supported on Slackware).
function get_input() { 
  local output
  if [ "`echo $BASH_VERSION | cut -b1`" = "1" ]; then
    echo -n "${1} " >&2 # fudge for use with bash v1
    read output
  else # this should work with any other /bin/sh
    read -ep "${1} " output
  fi
  echo $output
}

# Function to display the account info
function display () {
  local goose
  goose="$(echo $2 | cut -d ' ' -f 2-)"  # lop off the prefixed argument useradd needs
  echo -n "$1 "
  # If it's null then display the 'other' information
  if [ -z "$goose" -a ! -z "$3" ]; then 
    echo "$3" 
  else 
    echo "$goose" 
  fi
}

# Function to check whether groups exist in the /etc/group file
function check_group () {
  local got_error group
  if [ ! -z "$@" ]; then  
  for group in $@ ; do
    local uid_not_named="" uid_not_num=""
    grep -v "$^" $gfile | awk -F: '{print $1}' | grep "^${group}$" >/dev/null 2>&1 || uid_not_named=yes  
    grep -v "$^" $gfile | awk -F: '{print $3}' | grep "^${group}$" >/dev/null 2>&1 || uid_not_num=yes
    if [ ! -z "$uid_not_named" -a ! -z "$uid_not_num" ]; then
      echo "- Group '$group' does not exist"
      got_error=yes
    fi
  done
  fi
  # Return exit code of 1 if at least one of the groups didn't exist
  if [ ! -z "$got_error" ]; then
    return 1
  fi
}   

#: Read the login name for the new user :#
#
# Remember that most Mail Transfer Agents are case independant, so having
# 'uSer' and 'user' may cause confusion/things to break.  Because of this,
# useradd from shadow-4.0.3 no longer accepts usernames containing uppercase,
# and we must reject them, too.

# Set the login variable to the command line param
echo
LOGIN="$1"
needinput=yes
while [ ! -z $needinput ]; do
  if [ -z "$LOGIN" ]; then 
    while [ -z "$LOGIN" ]; do LOGIN="$(get_input "Login name for new user []:")" ; done
  fi
  grep "^${LOGIN}:" $pfile >/dev/null 2>&1  # ensure it's not already used
  if [ $? -eq 0 ]; then
    echo "- User '$LOGIN' already exists; please choose another"
    unset LOGIN
  elif [ ! -z "$( echo $LOGIN | grep "^[0-9]" )" ]; then
    echo "- User names cannot begin with a number; please choose another"
    unset LOGIN
  elif [ ! "$LOGIN" = "`echo $LOGIN | tr A-Z a-z`" ]; then # useradd does not allow uppercase
    echo "- User '$LOGIN' contains illegal characters (uppercase); please choose another"
    unset LOGIN
  elif [ ! -z "$( echo $LOGIN | grep '\.' )" ]; then
    echo "- User '$LOGIN' contains illegal characters (period/dot); please choose another"
    unset LOGIN
  else
    unset needinput
  fi
done

# Display the user name passed from the shell if it hasn't changed
if [ "$1" = "$LOGIN" ]; then
  echo "Login name for new user: $LOGIN"
fi

#: Get the UID for the user & ensure it's not already in use :#
#
# Whilst we _can_ allow users with identical UIDs, it's not a 'good thing' because
# when you change password for the uid, it finds the first match in /etc/passwd 
# which isn't necessarily the correct user
#
echo
needinput=yes
while [ ! -z "$needinput" ]; do
  _UID="$(get_input "User ID ('UID') [ defaults to next available ]:")"
  grep -v "^$" $pfile | awk -F: '{print $3}' | grep "^${_UID}$" >/dev/null 2>&1
  if [ $? -eq 0 ]; then
    echo "- That UID is already in use; please choose another"
  elif [ ! -z "$(echo $_UID | egrep '[A-Za-z]')" ]; then
    echo "- UIDs are numerics only"         
  else
    unset needinput
  fi
done
# If we were given a UID, then syntax up the variable to pass to useradd
if [ ! -z "$_UID" ]; then 
  U_ID="-u ${_UID}"
else
  # Will we be recycling UIDs?
  if [ "$recycleuids" = "yes" ]; then
    U_ID="-u $(awk -F: '{uid[$3]=1} END { for (i=ENVIRON["recycleUIDMIN"];i in uid;i++);print i}' $pfile)"
  fi   
fi

#: Get the initial group for the user & ensure it exists :#
#
# We check /etc/group for both the text version and the group ID number 
echo
needinput=yes
while [ ! -z "$needinput" ]; do
  GID="$(get_input "Initial group [ ${defgroup} ]:")"
  check_group "$GID"
  if [ $? -gt 0 ]; then
    echo "- Please choose another"
  else
    unset needinput 
  fi
done
# Syntax the variable ready for useradd
if [ -z "$GID" ]; then
  GID="-g ${defgroup}"
else
  GID="-g ${GID}"
fi

#: Get additional groups for the user :#
#
echo
needinput=yes
while [ ! -z "$needinput" ]; do
  AGID="$(get_input "Additional groups (comma separated) []:")"
  AGID="$(echo "$AGID" | tr -d ' ' | tr , ' ')" # fix up for parsing 
  if [ ! -z "$AGID" ]; then
    check_group "$AGID"  # check all groups at once (treated as N # of params)
    if [ $? -gt 0 ]; then
      echo "- Please re-enter the group(s)"
    else
      unset needinput # we found all groups specified
      AGID="-G $(echo "$AGID" | tr ' ' ,)"
    fi
  else
    unset needinput   # we don't *have* to have additional groups
  fi
done

#: Get the new user's home dir :#
#       
echo
needinput=yes
while [ ! -z "$needinput" ]; do
  HME="$(get_input "Home directory [ ${defhome}/${LOGIN} ]")"
  if [ -z "$HME" ]; then
    HME="${defhome}/${LOGIN}"
  fi 
  # Warn the user if the home dir already exists
  if [ -d "$HME" ]; then
    echo "- Warning: '$HME' already exists !"
    getyn="$(get_input "  Do you wish to change the home directory path ? (Y/n) ")"
    if [ "$(echo $getyn | grep -i "n")" ]; then
      unset needinput
      # You're most likely going to only do this if you have the dir *mounted* for this user's $HOME
      getyn="$(get_input "  Do you want to chown $LOGIN.$( echo $GID | awk '{print $2}') $HME ? (y/N) ")"
      if [ "$(echo $getyn | grep -i "y")" ]; then
         CHOWNHOMEDIR=$HME # set this to the home directory
      fi
    fi
  else
    unset needinput
  fi
done           
HME="-d ${HME}"  
    
#: Get the new user's shell :#
echo
needinput=yes
while [ ! -z "$needinput" ]; do
  unset got_error
  SHL="$(get_input "Shell [ ${defshell} ]")"
  if [ -z "$SHL" ]; then
    SHL="${defshell}"
  fi 
  # Warn the user if the shell doesn't exist in /etc/shells or as a file
  if [ -z "$(grep "^${SHL}$" $sfile)" ]; then
    echo "- Warning: ${SHL} is not in ${sfile} (potential problem using FTP)"
    got_error=yes
  fi
  if [ ! -f "$SHL" ]; then
    echo "- Warning: ${SHL} does not exist as a file"
    got_error=yes
  fi
  if [ ! -z "$got_error" ]; then
    getyn="$(get_input "  Do you wish to change the shell ? (Y/n) ")"
    if [ "$(echo $getyn | grep -i "n")" ]; then
      unset needinput
    fi
  else
    unset needinput
  fi
done           
SHL="-s ${SHL}"

#: Get the expiry date :#
echo
needinput=yes
while [ ! -z "$needinput" ]; do
  EXP="$(get_input "Expiry date (YYYY-MM-DD) []:")"
  if [ ! -z "$EXP" ]; then
    # Check to see whether the expiry date is in the valid format
    if [ -z "$(echo "$EXP" | grep "^[[:digit:]]\{4\}[-]\?[[:digit:]]\{2\}[-]\?[[:digit:]]\{2\}$")" ]; then
      echo "- That is not a valid expiration date"
    else
      unset needinput 
      EXP="-e ${EXP}" 
    fi
  else
    unset needinput
  fi
done

# Display the info about the new impending account
echo
echo "New account will be created as follows:"
echo
echo "---------------------------------------"
display "Login name.......: " "$LOGIN"
display "UID..............: " "$_UID" "[ Next available ]"
display "Initial group....: " "$GID"
display "Additional groups: " "$AGID" "[ None ]"
display "Home directory...: " "$HME"
display "Shell............: " "$SHL"
display "Expiry date......: " "$EXP" "[ Never ]"
echo

echo "This is it... if you want to bail out, hit Control-C.  Otherwise, press"
echo "ENTER to go ahead and make the account."
read junk

echo
echo "Creating new account..."
echo
echo

# Add the account to the system
CMD="$useradd "$HME" -m "$EXP" "$U_ID" "$GID" "$AGID" "$SHL" "$LOGIN""
$CMD

if [ $? -gt 0 ]; then
  echo "- Error running useradd command -- account not created!"
  echo "(cmd: $CMD)"
  exit 1
fi

# chown the home dir ?  We can only do this once the useradd has
# completed otherwise the user name doesn't exist.
if [ ! -z "${CHOWNHOMEDIR}" ]; then
  chown "$LOGIN"."$( echo $GID | awk '{print $2}')" "${CHOWNHOMEDIR}"
fi

# Set the finger information
$chfn "$LOGIN"
if [ $? -gt 0 ]; then
  echo "- Warning: an error occurred while setting finger information"
fi

# Set a password
$passwd "$LOGIN"
if [ $? -gt 0 ]; then
  echo "* WARNING: An error occured while setting the password for"
  echo "           this account.  Please manually investigate this *"
  exit 1
fi

# If it was created (it should have been!), set the permissions for that user's dir 
HME="$(echo "$HME" | awk '{print $2}')"  # We have to remove the -g prefix
if [ -d "$HME" ]; then
  $chmod $defchmod "$HME"
fi

echo
echo
echo "Account setup complete."
exit 0
 
  


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