/usr/share/perl5/Authen/Simple/PAM.pm is in libauthen-simple-pam-perl 0.2-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 | package Authen::Simple::PAM;
use strict;
use warnings;
use base 'Authen::Simple::Adapter';
use Authen::PAM qw[:constants];
use Params::Validate qw[];
our $VERSION = 0.2;
__PACKAGE__->options({
service => {
type => Params::Validate::SCALAR,
default => 'login',
optional => 1
}
});
sub check {
my ( $self, $username, $password ) = @_;
my $service = $self->service;
my $handler = sub {
my @response = ();
while (@_) {
my $code = shift;
my $message = shift;
my $answer = undef;
if ( $code == PAM_PROMPT_ECHO_ON ) {
$answer = $username;
}
if ( $code == PAM_PROMPT_ECHO_OFF ) {
$answer = $password;
}
push( @response, PAM_SUCCESS, $answer );
}
return ( @response, PAM_SUCCESS );
};
my $pam = Authen::PAM->new( $service, $username, $handler );
unless ( ref $pam ) {
my $error = Authen::PAM->pam_strerror($pam);
$self->log->error( qq/Failed to authenticate user '$username' using service '$service'. Reason: '$error'/ )
if $self->log;
return 0;
}
my $result = $pam->pam_authenticate;
unless ( $result == PAM_SUCCESS ) {
my $error = $pam->pam_strerror($result);
$self->log->debug( qq/Failed to authenticate user '$username' using service '$service'. Reason: '$error'/ )
if $self->log;
return 0;
}
$result = $pam->pam_acct_mgmt;
unless ( $result == PAM_SUCCESS ) {
my $error = $pam->pam_strerror($result);
$self->log->debug( qq/Failed to authenticate user '$username' using service '$service'. Reason: '$error'/ )
if $self->log;
return 0;
}
$self->log->debug( qq/Successfully authenticated user '$username' using service '$service'./ )
if $self->log;
return 1;
}
1;
__END__
=head1 NAME
Authen::Simple::PAM - Simple PAM authentication
=head1 SYNOPSIS
use Authen::Simple::PAM;
my $pam = Authen::Simple::PAM->new(
service => 'login'
);
if ( $pam->authenticate( $username, $password ) ) {
# successfull authentication
}
# or as a mod_perl Authen handler
PerlModule Authen::Simple::Apache
PerlModule Authen::Simple::PAM
PerlSetVar AuthenSimplePAM_service "login"
<Location /protected>
PerlAuthenHandler Authen::Simple::PAM
AuthType Basic
AuthName "Protected Area"
Require valid-user
</Location>
=head1 DESCRIPTION
PAM authentication.
=head1 METHODS
=over 4
=item * new
This method takes a hash of parameters. The following options are
valid:
=over 8
=item * service
PAM service. Defaults to C<login>.
service => 'sshd'
=item * log
Any object that supports C<debug>, C<info>, C<error> and C<warn>.
log => Log::Log4perl->get_logger('Authen::Simple::PAM')
=back
=item * authenticate( $username, $password )
Returns true on success and false on failure.
=back
=head1 SEE ALSO
L<Authen::Simple>.
L<Authen::PAM>.
=head1 AUTHOR
Christian Hansen C<ch@ngmedia.com>
=head1 COPYRIGHT
This program is free software, you can redistribute it and/or modify
it under the same terms as Perl itself.
=cut
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