Initial revision

diff --git a/fs_passwd/fs_passwd b/fs_passwd/fs_passwd
new file mode 100755 (executable)
index 0000000..bcf09f1
--- /dev/null
+++ b/fs_passwd/fs_passwd
@@ -0,0 +1,129 @@
+#!/usr/bin/perl -Tw
+#
+# fs_passwd
+#
+# portions of this script are copied from the `passwd' script in the original
+# (perl 4) camel book, now archived at 
+# http://www.perl.com/CPAN/scripts/nutshell/ch6/passwd
+#
+# ivan@sisd.com 98-mar-8
+#
+# password lengths 0,255 instead of 6,8 - we'll let the server process
+# check the data ivan@sisd.com 98-jul-17
+
+use strict;
+use Getopt::Std;
+use Socket;
+use IO::Handle;
+use vars qw($opt_f $opt_s);
+
+my($fs_passwdd_socket)="/usr/local/freeside/fs_passwdd_socket";
+my($freeside_uid)=scalar(getpwnam('freeside'));
+
+$ENV{'PATH'} ='/usr/bin:/usr/ucb:/bin';
+$ENV{'SHELL'} = '/bin/sh';
+$ENV{'IFS'} = " \t\n";
+$ENV{'CDPATH'} = '';
+$ENV{'ENV'} = '';
+$ENV{'BASH_ENV'} = '';
+
+$SIG{__DIE__}= sub { system '/bin/stty', 'echo'; };
+
+die "passwd program isn't running setuid to freeside\n" if $> != $freeside_uid;
+
+unshift @ARGV, "-f" if $0 =~ /chfn$/;
+unshift @ARGV, "-s" if $0 =~ /chsh$/;
+
+getopts('fs');
+
+my($me)='';
+if ( $_ = shift(@ARGV) ) {
+  /^(\w{2,8})$/;
+  $me = $1; 
+}
+die "You can't change the password for $me." if $me && $<;
+$me = (getpwuid($<))[0] unless $me;
+
+my($name,$passwd,$uid,$gid,$quota,$comment,$gcos,$dir,$shell)=
+  getpwnam $me;
+
+my($old_password,$new_password,$new_gecos,$new_shell);
+
+if ( $opt_f || $opt_s ) {
+  system '/bin/stty', '-echo';
+  print "Password:";
+  $old_password=<STDIN>;
+  system '/bin/stty', 'echo'; 
+  chop($old_password);
+  #$old_password =~ /^(.{6,8})$/ or die "\nIllegal password.\n";
+  $old_password =~ /^(.{0,255})$/ or die "\nIllegal password.\n";
+  $old_password = $1;
+
+  $new_password = '';
+
+  if ( $opt_f ) {
+    print "\nChanging gecos for $me.\n";
+    print "Gecos [", $gcos, "]: ";
+    $new_gecos=<STDIN>;
+    chop($new_gecos);
+    $new_gecos ||= $gcos;
+    $new_gecos =~ /^(.{0,255})$/ or die "\nIllegal gecos.\n";
+  } else {
+    $new_gecos = '';
+  } 
+
+  if ( $opt_s ) {
+    print "\nChanging shell for $me.\n";
+    print "Shell [", $shell, "]: ";
+    $new_shell=<STDIN>;
+    chop($new_shell);
+    $new_shell ||= $shell;
+    $new_shell =~ /^(.{0,255})$/ or die "\nIllegal shell.\n";
+  } else {
+    $new_shell = '';
+  }
+
+} else {
+
+  print "Changing password for $me.\n";
+  print "Old password:";
+  system '/bin/stty', '-echo';
+  $old_password=<STDIN>;
+  chop $old_password;
+  #$old_password =~ /^(.{6,8})$/ or die "\nIllegal password.\n";
+  $old_password =~ /^(.{0,255})$/ or die "\nIllegal password.\n";
+  $old_password = $1;
+  print "\nEnter the new password (minimum of 6, maximum of 8 characters)\n";
+  print "Please use a combination of upper and lowercase letters and numbers.\n";
+  print "New password:";
+  $new_password=<STDIN>;
+  chop($new_password);
+  #$new_password =~ /^(.{6,8})$/ or die "\nIllegal password.\n";
+  $new_password =~ /^(.{0,255})$/ or die "\nIllegal password.\n";
+  $new_password = $1;
+  print "\nRe-enter new password:";
+  my($check_new_password);
+  $check_new_password=<STDIN>;
+  chop($check_new_password);
+  die "\nThey don't match; try again.\n" unless $check_new_password eq $new_password;
+
+  $new_gecos='';
+  $new_shell='';
+}
+print "\n";
+
+system '/bin/stty', 'echo'; 
+
+socket(SOCK, PF_UNIX, SOCK_STREAM, 0) or die "socket: $!";
+connect(SOCK, sockaddr_un($fs_passwdd_socket)) or die "connect: $!";
+print SOCK join("\n",$me,$old_password,$new_password,$new_gecos,$new_shell),"\n";
+SOCK->flush;
+my($error);
+$error = <SOCK>;
+chop $error;
+
+if ($error) {
+  print "\nUpdate error: $error\n";
+} else {
+  print "\nUpdate sucessful.\n";
+}