#!/bin/bash
################################################################################
#
# File:         cygwin_setup
# Description:  This script will perform additional setup to configure the
#		local machine into the cygwin enviornment for Salira
# Author:       Andrew@DeFaria.com
# Created:      Fri Oct  5 15:30:16  2001
# Modified:
# Language:     Bash Shell
#
# (c) Copyright 2001, Andrew@DeFaria.com, all rights reserved
#
################################################################################
# Set me to command name
me=$(basename $0)

# Global variables
commonserver=sonscentral
commonarea=common
adm=//$commonserver/$commonarea/adm
homeserver=sonscentral
homeshare=users
ccserver=sons-clearcase
anonymous_ftp_server=sons-clearcase
viewshare=views
printerserver=sons-mrp
printers="\
  LJ4050PCL6\
  LJ45500-Color\
  LJ8150\
"
defaultprinter=LJ8150

# Current machine's OS.
OS=$(uname -s | cut -f2 -d-)

# Current machine's hostname
hostname=$(echo $(hostname) | tr [:upper:] [:lower:])

# Setup standard mounts
#
# Home directory
echo "Step 1 of 10: Setting up /home mount point"
mount -tsf //$homeserver/$homeshare /home

# Clearcase views
echo "Step 2 of 10: Setting up /view mount point"
if [ $hostname = $ccserver ]; then
  mount -tsf C:/ClearCaseStorage/Views /view
else
  mount -tsf //$ccserver/$viewshare /view
fi

# Set cygdrive prefix to /dev
echo "Step 3 of 10: Setting cygdrive-prefix to /dev"
mount -s --change-cygdrive-prefix /dev

# Remove user level cygdrive-prefix (Need to do this with regedit
regedit /s \\\\$commonserver\\$commonarea\\FixCygwin.reg 

# Link passwd file
echo "Step 4 of 10: Create common password file"
if [ ! -f /etc/passwd.local ]; then
  if [ ! -L /etc/passwd ]; then
    cp /etc/passwd /etc/passwd.local
  fi
fi

if [ ! -L /etc/passwd ]; then
  if [ "$OS" != "4.0" ]; then
    rm /etc/passwd
    ln -s //$commonserver/$commonarea/passwd /etc/passwd
  else
    cp //$commonserver/$commonarea/passwd /etc/passwd
  fi
else
  if [ "$OS" = "4.0" ]; then
    # Fix up NT 4.0 machines (they don't like symlinked /etc/passwd files!)
    rm /etc/passwd
    cp //$commonserver/$commonarea/passwd /etc/passwd
  fi
fi

# Link group file
echo "Step 5 of 10: Create common group file"
if [ ! -f /etc/group.local ]; then
  if [ ! -L /etc/group ]; then
    cp /etc/group /etc/group.local
  fi
fi

if [ ! -L /etc/group ]; then
  rm /etc/group
  ln -s //$commonserver/$commonarea/group /etc/group
fi

# Link /etc/profile
echo "Step 6 of 10: Linking /etc/profile to common profile file"
if [ ! -f /etc/profile.orig ]; then
  if [ ! -L /etc/profile ]; then
    cp /etc/profile /etc/profile.orig
  fi
fi

if [ ! -L /etc/profile ]; then
  rm /etc/profile
  ln -s //$commonserver/$commonarea/profile /etc/profile
fi

# Setup printer mount
echo "Step 7 of 10: Setting up printers"
for printer in $printers; do
  mount -bsf //$printerserver/$printer /dev/$printer
done

# Mount default printer
mount -bsf //$printerserver/$defaultprinter /dev/lp

# Install internet services
echo "Step 8 of 10: Installing internet services"

# First save any pre-existing /etc/motd
if [ -f /etc/motd ]; then
  cp /etc/motd /etc/motd.$$
fi

rm -f /etc/ftpusers /etc/ftpwelcome /etc/inetd.conf /etc/motd /etc/shells
iu-config > /dev/null

# In order to allow anonymous ftp access we need to clear /etc/ftpusers.
# Do this only for the $anonymous_ftp_server for now
if [ $hostname = $anonymous_ftp_server ]; then
  cat /dev/null > /etc/ftpusers
fi

# Now replace that saved /etc/motd if it existed, otherwise remove the boring
# /etc/motd that iu-config creates. First check to see if the user has a 
# personalized /etc/motd in /etc/motd.save
if [ -f /etc/motd.save ]; then
  # User had a personalized motd so move it into place and remove any prior
  # copies
  mv /etc/motd.save /etc/motd
  rm -f /etc/motd.$$
elif [ -f /etc/motd.$$ ]; then
  # Reinstall previous motd
  # First update uname -a line
  uname -a > /etc/motd

  # Remove old uname -a line if present
  grep -ve "^cygwin" /etc/motd.$$ >> /etc/motd.$$

  # Cleanup
  rm -f /etc/motd.$$
else
  # No saved motd or previous motd. Remove /etc/motd which will cause us
  # to prompt for the information later.
  rm /etc/motd
fi

# Need to hardlink /usr/bin/cygwin1.dll & /usr/sbin/cygwin1.dll
# 12/17/2001: Stopped hardlinking cygwin1.dll. Enforcing having Windows system
# environment variables instead. For this we need Cygwin's bin in the path. 
# User should also set CYGWIN=ntsec in a Windows system environment variable.
if [ -f /usr/sbin/cygwin1.dll ]; then
  rm -f /usr/sbin/cygwin1.dll
  #ln /usr/bin/cygwin1.dll /usr/sbin/cygwin1.dll
  echo "Warning: Please make sure that you have a Windows *SYSTEM* environment"
  echo "         variable named CYGWIN set to the value of \"ntsec\" and that"
  echo "         you have <Cygwin>\bin inserted into the Windows *SYSTEM*"
  echo "         environment variable named PATH"
fi

# Set up anonymous ftp iff we are on the $anonymous_ftp_server
if [ $hostname = $anonymous_ftp_server ]; then
  # Toggle on write access to ~ftp/bin
  chmod +w ~ftp/bin

  # Remove old copies of ls and cygwin1.dll
  rm -f ~ftp/bin/ls.exe 
  rm -f ~ftp/bin/cygwin1.dll

  # Install new copies (Note hardlinks will not work here since ~ftp/bin is
  # on another file system. Doing an ln simply does a copy anyway)
  # 12/17/2001: Skipping copying of cygwin1.dll as noted above
  cp /bin/cygwin1.dll ~ftp/bin/cygwin1.dll
  cp /bin/ls.exe ~ftp/bin/ls.exe

  # Set security
  chmod 555 ~ftp/bin/cygwin1.dll
  chmod 111 ~ftp/bin/ls.exe
  chown Administrator ~ftp/bin/cygwin1.dll 
  chown Administrator ~ftp/bin/ls.exe
  chmod -w ~ftp/bin
fi

# Install inetd as a service
/usr/sbin/inetd --install-as-service

# Start inetd service
inetd_started=$(net start | grep -i inetd)

if [ -z "$inetd_started" ]; then
  net start inetd
fi

# Setup SMTP
$adm/bin/setup_ssmtp

# Setup cron
$adm/bin/setup_cron

# Create /etc/motd
echo "Step 9 of 10: Gathering machine specific information"
if [ ! -f /etc/motd ]; then
  $adm/bin/make_motd
  made_motd=true
else
  echo "Skipped: Machine info already gathered"
fi

# Fixup /etc/ftpwelcome
host=$(hostname | tr [:upper:] [:lower:])
echo "Welcome to $host's ftp service" > /etc/ftpwelcome

# Update machines file
echo "Step 10 of 10: Registering this machine (This takes a few seconds)"
if [ ! -z "$made_motd" ]; then
  $adm/bin/update_machine_info
else
  echo "Skipped: Machine already registered"
fi

# Sneaky other fixes...
# Link /bin/more.exe -> /bin/less.exe
if [ ! -L /bin/more.exe ]; then
  ln -s /bin/less.exe /bin/more.exe
fi

# Finished
echo "Done"