ADDUSER

EXECUTION:

HERE THERE ARE TWO C FILES password.c and shadow.c and one header file server.h
THE NAME OF THE MAKE FILE IS adduser.mk
I have executed the makefile using make -f adducer.mk
There are two text files passwd.txt and shadow.txt.
The file passwd.txt stores the user information in this format oracle:c:1021:1020:Oracle user:/user/home:/bin/bash and the file shadow.txt stores the user's encrypted password

A program in C to mimic the adduser command on Linux.
This command will add either an ordinary user or a system user.
It has to handle 2 files passwd and shadow
Both these files will be in some folder specified by an environment variable PFILE.
The program has to take all arguments as command line arguments.

User enters in this format adduser -u UID -g GID -c “Comments” name expirydate
Where,UID is USER ID.
GID is GROUP ID.
Comments is the additional information.
Name is the username
Expiry date is the validity of password and user_account.
The make file should be executed in this format cat -e -v -t makefile_name.mk
This program has worked in Linux-OS and Mac-OS
In this program I have used my own files for passwd.txt and shadow.txt
I have used basic encryption technique
I have added the basic features of adduser(as shown in the pdf issued regarding the details of the project)

Name		Name	Last commit message	Last commit date
Latest commit History 4 Commits
.DS_Store		.DS_Store
README.md		README.md
a.out		a.out
adduser.mk		adduser.mk
main.c		main.c
main.o		main.o
passwd.txt		passwd.txt
password.c		password.c
password.o		password.o
priya_projectinfo.txt		priya_projectinfo.txt
server.h		server.h
shadow.c		shadow.c
shadow.o		shadow.o
shadow.txt		shadow.txt