wrap os dependence to get all user entries.

In the case of unix, we read /etc/passwd and return the user list.
we cannot use getpwent() since it is not defined by POSIX.

1 files changed, 111 insertions, 0 deletions

diff --git a/fml/lib/FML/Sys/User.pm b/fml/lib/FML/Sys/User.pm
new file mode 100644
index 00000000..2d59a17d
--- /dev/null
+++ b/fml/lib/FML/Sys/User.pm
@@ -0,0 +1,111 @@
+#-*- perl -*-
+#
+#  Copyright (C) 2003 Ken'ichi Fukamachi
+#   All rights reserved. This program is free software; you can
+#   redistribute it and/or modify it under the same terms as Perl itself.
+#
+# $FML: @template.pm,v 1.7 2003/01/01 02:06:22 fukachan Exp $
+#
+
+package FML::Sys::User;
+use strict;
+use vars qw(@ISA @EXPORT @EXPORT_OK $AUTOLOAD);
+use Carp;
+use Config;
+
+
+=head1 NAME
+
+FML::Sys::User - get user infomation on this system
+
+=head1 SYNOPSIS
+
+=head1 DESCRIPTION
+
+=head1 METHODS
+
+=head2 C<new()>
+
+constructor.
+
+=cut
+
+
+# Descriptions: constructor.
+#    Arguments: OBJ($self) OBJ($curproc)
+# Side Effects: none
+# Return Value: OBJ
+sub new
+{
+    my ($self, $curproc) = @_;
+    my ($type) = ref($self) || $self;
+    my $me     = { _curproc => $curproc };
+    return bless $me, $type;
+}
+
+
+# Descriptions: return user list as HASH_REF.
+#    Arguments: OBJ($self)
+# Side Effects: none
+# Return Value: HASH_REF
+sub get_user_list
+{
+    my ($self) = @_;
+
+    # XXX-TODO: how do we do on Windows NT ???
+    return $self-> _get_user_list_on_unix();
+}
+
+
+# Descriptions: return user list as HASH_REF.
+#               we assume all unix system has /etc/passwd.
+#    Arguments: OBJ($self)
+# Side Effects: none
+# Return Value: HASH_REF
+sub _get_user_list_on_unix
+{
+    my ($self) = @_;
+    my $users  = {};
+
+    if (-f "/etc/passwd") {
+	use FileHandle;
+	my $fh = new FileHandle "/etc/passwd";
+	if (defined $fh) {
+	    my ($user, $buf);
+	    while ($buf = <$fh>) {
+		($user) = split(/:/, $buf);
+		$users->{ $user } = $user;
+	    }
+
+	    $fh->close();
+	}
+    }
+
+    return $users;
+}
+
+
+=head1 CODING STYLE
+
+See C<http://www.fml.org/software/FNF/> on fml coding style guide.
+
+=head1 AUTHOR
+
+Ken'ichi Fukamachi
+
+=head1 COPYRIGHT
+
+Copyright (C) 2003 Ken'ichi Fukamachi
+
+All rights reserved. This program is free software; you can
+redistribute it and/or modify it under the same terms as Perl itself.
+
+=head1 HISTORY
+
+FML::Sys::User appeared in fml8 mailing list driver package.
+See C<http://www.fml.org/> for more details.
+
+=cut
+
+
+1;