rlm@2: #!/usr/bin/env perl
rlm@2: 
rlm@3: 
rlm@3: #this is the root of the package users' homes
rlm@3: $pkg_home_root =  "/pkg";
rlm@3: 
rlm@3: 
rlm@2: if ($ARGV[0] eq "--help"){
rlm@2:   print <<"HERE";
rlm@2: 
rlm@2: pkg -- create a package user.
rlm@2: 
rlm@2: syntax:
rlm@2:   pkg package-name description
rlm@2:   pkg --help 
rlm@3:   
rlm@2: Create a package user for the purpose of compiling
rlm@2: a particular package.
rlm@2: 
rlm@2: The user will be created with user and group both
rlm@2: equal to the name you specify.
rlm@2: 
rlm@2: You will then be put into the user's home
rlm@2: directory where you may proceed with
rlm@3: compiling/installing the package.
rlm@2: 
rlm@2: If the user already exists, this is equivalent to 
rlm@3:   su --login package-name
rlm@2: 
rlm@2: Written by Robert McIntyre. This software is free
rlm@2: software and is released to the public domain.
rlm@2:   
rlm@2: HERE
rlm@2: exit 0;
rlm@2: }
rlm@3: $" = " ";
rlm@2: 
rlm@2: $pkg_name = $ARGV[0];
rlm@2: 
rlm@2: $pkg_desc = $ARGV[1];
rlm@2: 
rlm@2: # Validate pkg_user as a user name.
rlm@3: if (!($pkg_name =~ m/^[a-z_][a-z0-9_-]*\$?$/)){
rlm@2:   print "$pkg_name is not a valid user name!\n";
rlm@3:   exit 1;
rlm@2: }
rlm@2: 
rlm@2: # Validate description.
rlm@2: if ($pkg_desc =~ m/:/){
rlm@2:   print "Package Description cannot contain \":\"\n";
rlm@3:   exit 1;
rlm@2: }
rlm@2: 
rlm@2: 
rlm@3: $pkg_home = "$pkg_home_root/$pkg_name";
rlm@2: 
rlm@3: #set default for $pkg_desc.
rlm@3: if (!($pkg_desc)){$pkg_desc = $pkg_name;}
rlm@2: 
rlm@3: @pkg_switch_cmd =  ("su", "--login", $pkg_name);
rlm@3: 
rlm@3: @pkg_create_cmd =
rlm@3:   ("useradd", "-c", $pkg_desc, "-d", $pkg_home, 
rlm@3:    "-g", $pkg_name, "-s", "/bin/bash",
rlm@3:    $pkg_name);
rlm@3: 
rlm@3: @pkg_create_group_cmd =
rlm@3:   ("groupadd", "--force", $pkg_name);
rlm@3: 
rlm@3: @pkg_create_home_cmd = 
rlm@3:   ("install", "-d", "-g", $pkg_name, "-o", $pkg_name, "-m", "700", $pkg_home);
rlm@3: 
rlm@4: sub execute{print "\t@_\n"; system(@_) and die $!;}
rlm@3: 
rlm@3: #determine if the user already exists:
rlm@3: `id $pkg_name 2>/dev/null`;
rlm@4: if (!$?){
rlm@4:   print "Change user.\n";
rlm@4:   execute(@pkg_switch_cmd); exit 0;}
rlm@3: 
rlm@3: print "Creating package group.\n";
rlm@3: execute(@pkg_create_group_cmd);
rlm@3: 
rlm@3: print "Creating package user.\n";
rlm@3: execute(@pkg_create_cmd);
rlm@3: 
rlm@3: print "Create home directory for $pkg_name.\n";
rlm@3: execute(@pkg_create_home_cmd);
rlm@3: 
rlm@3: print "Change user.\n";
rlm@3: execute(@pkg_switch_cmd);
rlm@3: 
rlm@3: 
rlm@3: 
rlm@3: 
rlm@3: 
rlm@3: 
rlm@3: