May 11, 2001
Lab 6
# Lock an account
passwd -l user

##########################################################
#  wexx paper on awk:
#  http://www.ecis.com/~wexx/UNIX/tutorials/awkintro.htm
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#################################################
#  using passwd and shadow files from each class server
#  create user acounts for each user 
#  in the class on our systems.
#################################################
  # cd to my download dir
cd /usr/local/src/
  # get the concatinted file from Gregs server
ftp 10.4.1.230
 lcd /usr/local/src/
 ls -ltr
 get all.passwd
 get all.shadow
 quit
 # backup my old stuff
cp /etc/shadow /etc/shadow.20010511.good
cp /etc/passwd /etc/passwd.20010511.good
 # This is how I will make a list that does not include greg or I 
cat /etc/passwd |grep -v john |grep -v greg
cat /etc/shadow |grep -v john |grep -v greg
 # Create a list of all the other users in the class
people=`cat all.passwd |grep -v john |grep -v greg |awk -F: '{print $1}'`
 # For each name make an accout for them 
for person in $people
do
  mkdir /home/$person; cp /etc/skell/* /home/$person; chown -R $person:staff /home/$person; chmod 700 /home/$person
done

########################################
# crack install and get hooked 
########################################
mkdir -p /usr/local/src
   # this is where we will store our custom programs.
cd /usr/local/src

   # Get on gregs server, and download patches.
ftp 10.4.1.230
ftp> anonymous
Passwd:  bla@bla.com
ftp> bin	# make transfer binary
ftp> cd pub	#
ftp> mget c50a.tgz
ftp> quit

  # Set the path, unzip, untar the package, and get in the package
PATH=$PATH:/usr/local/bin
gunzip -d c50a.tgz
tar -xvpf c50a.tar
cd c50a
  # Need to make some configuration settings
vi Crack
  CC=gcc
#    -g =debug on, -O =optimization level, -W 
  CFLAGS=" -g -O2 -Wall $C5FLAGS"
  LIBS=-lcrypt 
  # Change the Makefile
cd src/libdes
vi Makefile
   # only CC and CFLAGS should be there.
   CC=gcc
   CFLAGS= -O4 -fomit-frame-pointer -funroll-loops $(OPTS) $(CFLAG)
 
# for gmake, edit Crack, and change CRACK_PATH look at /usr/ccs/bin /usr/local/bin
 cd ..
./Crack -makeonly
./Crack -makedict

# shadmrg.sv script and merge 
cd scripts
vi shadmrg.sv
./shadmrg > merge.txt

./Crack merge.txt
./Reporter



###################3
#  ssh stuff
###################
#### cofind / -name tcpd.h

cp tcpd.h /usr/local/src/ssh*
cd /usr/local/src/ssh-1.2.27/
make clean
solaris7_setup.anonymous.ftp.txt:/usr/local/bin/gzip -d tcp_wrappers_7.6.1.tar.gz
solaris7_setup.anonymous.ftp.txt:tar -xvpf tcp_wrappers_7.6.1.tar
solaris7_setup.anonymous.ftp.txt:cd tcp_wrappers_7.6.1
solaris7_setup.anonymous.ftp.txt-vi Makefile
solaris7_setup.anonymous.ftp.txt-#  uncomment REAL_DAEMON_DIR=/usr/sbin 
solaris7_setup.anonymous.ftp.txt-PATH=$PATH:/usr/css/bin:/usr/local/bin
solaris7_setup.anonymous.ftp.txt-make sunos5 CC=/usr/local/bin/gcc
cp /usr/local/bin/gzip -d tcp_wrappers_7.6.1/ibwrap.a /usr/local/src/ssh-1.2.27
./configure --with-libwrap=./libwrap.a


####################
#    wu-ftp
####################
#get it 
./configure
make
make install

default location is /usr/sbin, /usr/bin, /usr/man, and /etc
# /etc/ftpaccess controls the server.
# ftpconversions - allows user to add/delete file converisons.
#                  works with .tar, .tar.gz, .tar.Z, etc
# ftphosts - 
# ftpservers- makes virtual servers.
#             each server has a: 
#		ftpaccess,ftpconverions, ftpusers, ftpgroups, ftphosts.
# ftpwho = shows who is logged in
# in.ftpd 	ftpdamon
# ftshut 	- bring down ftpd
# ftprestart 	- starts the server
# ckconf	- checks the config file
#
# var/adm/xfer 	- logs all activity
# comment out ftpd in /etc/inetd.conf
# start with /usr/sbin/in.ftpd -S
# copy binarie (use ldd tar to find tar and others.)
#
get the wu-ftpd-2.6.1.tar
tar -xvpf wu-ftpd-2.6.1.tar
cd wu-ftpd-2.6.1
PATH=$PATH:/usr/ccs/bin
./configure
make
make install
vi /etc/inetd.conf
	coment out ftp
/usr/sbin/in.ftpd -s&
netstat -a |grep ftp
TCP

   Local Address	Remote Address		Swind  Send-Q  Rwind   Recv-Q  	State
 --------------------------------------------------------------------------------------
	*.ftp		*.* 			0	0	0 	0 	LISTEN

# restrct access
vi /etc/ftpaccess
  
##############################
# 
/usr/sbin/in.ftpd -s 

#############################################
# reading doc files
nrof -man /usr/local/src/wu-ftpd-2.6.1/doc/ftpd.8