Put old unixauth plugin under git control. Needs some serious attention.
Amitai Schlair
parent
68d9d7d7cb
commit
5c0e56d149
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#!/usr/bin/perl
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# Ikiwiki unixauth authentication.
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package IkiWiki::Plugin::unixauth;
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use warnings;
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use strict;
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use IkiWiki 2.00;
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sub import {
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hook(type => "getsetup", id => "unixauth", call => \&getsetup);
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hook(type => "formbuilder_setup", id => "unixauth",
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call => \&formbuilder_setup);
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hook(type => "formbuilder", id => "unixauth",
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call => \&formbuilder);
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hook(type => "sessioncgi", id => "unixauth", call => \&sessioncgi);
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}
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sub getsetup () {
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return
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unixauth_type => {
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type => "string",
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example => "checkpassword",
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description => "type of authenticator; can be 'checkpassword' or 'pwauth'",
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safe => 0,
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rebuild => 1,
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},
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unixauth_command => {
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type => "string",
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example => "/path/to/checkpassword",
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description => "full path and any arguments",
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safe => 0,
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rebuild => 1,
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},
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unixauth_requiressl => {
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type => "boolean",
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example => "1",
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description => "require SSL? strongly recommended",
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safe => 0,
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rebuild => 1,
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},
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plugin => {
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description => "Unix user authentication",
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safe => 0,
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rebuild => 1,
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},
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}
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# Checks if a string matches a user's password, and returns true or false.
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sub checkpassword ($$;$) {
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my $user=shift;
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my $password=shift;
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my $field=shift || "password";
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# It's very important that the user not be allowed to log in with
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# an empty password!
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if (! length $password) {
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return 0;
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}
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my $ret=0;
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if (! exists $config{unixauth_type}) {
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# admin needs to carefully think over his configuration
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return 0;
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}
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elsif ($config{unixauth_type} eq "checkpassword") {
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open UNIXAUTH, "|$config{unixauth_command} true 3<&0" or die("Could not run $config{unixauth_type}");
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print UNIXAUTH "$user\0$password\0Y123456\0";
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close UNIXAUTH;
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$ret=!($?>>8);
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}
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elsif ($config{unixauth_type} eq "pwauth") {
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open UNIXAUTH, "|$config{unixauth_command}" or die("Could not run $config{unixauth_type}");
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print UNIXAUTH "$user\n$password\n";
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close UNIXAUTH;
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$ret=!($?>>8);
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}
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else {
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# no such authentication type
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return 0;
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}
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if ($ret) {
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my $userinfo=IkiWiki::userinfo_retrieve();
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if (! length $user || ! defined $userinfo ||
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! exists $userinfo->{$user} || ! ref $userinfo->{$user}) {
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IkiWiki::userinfo_setall($user, {
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'email' => '',
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'regdate' => time,
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});
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}
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}
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return $ret;
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}
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sub formbuilder_setup (@) {
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my %params=@_;
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my $form=$params{form};
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my $session=$params{session};
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my $cgi=$params{cgi};
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# if not under SSL, die before even showing a login form,
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# unless the admin explicitly says it's fine
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if (! exists $config{unixauth_requiressl}) {
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$config{unixauth_requiressl} = 1;
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}
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if ($config{unixauth_requiressl}) {
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if ((! $config{sslcookie}) || (! exists $ENV{'HTTPS'})) {
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die("SSL required to login. Contact your administrator.<br>");
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}
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}
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if ($form->title eq "signin") {
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$form->field(name => "name", required => 0);
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$form->field(name => "password", type => "password", required => 0);
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if ($form->submitted) {
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my $submittype=$form->submitted;
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# Set required fields based on how form was submitted.
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my %required=(
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"Login" => [qw(name password)],
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);
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foreach my $opt (@{$required{$submittype}}) {
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$form->field(name => $opt, required => 1);
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}
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# Validate password against name for Login.
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if ($submittype eq "Login") {
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$form->field(
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name => "password",
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validate => sub {
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checkpassword($form->field("name"), shift);
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},
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);
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}
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# XXX is this reachable? looks like no
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elsif ($submittype eq "Login") {
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$form->field(
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name => "name",
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validate => sub {
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my $name=shift;
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length $name &&
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IkiWiki::userinfo_get($name, "regdate");
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},
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);
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}
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}
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else {
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# First time settings.
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$form->field(name => "name");
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if ($session->param("name")) {
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$form->field(name => "name", value => $session->param("name"));
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}
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}
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}
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elsif ($form->title eq "preferences") {
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$form->field(name => "name", disabled => 1,
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value => $session->param("name"), force => 1,
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fieldset => "login");
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$form->field(name => "password", disabled => 1, type => "password",
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fieldset => "login"),
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}
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}
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sub formbuilder (@) {
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my %params=@_;
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my $form=$params{form};
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my $session=$params{session};
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my $cgi=$params{cgi};
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my $buttons=$params{buttons};
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if ($form->title eq "signin") {
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if ($form->submitted && $form->validate) {
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if ($form->submitted eq 'Login') {
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$session->param("name", $form->field("name"));
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IkiWiki::cgi_postsignin($cgi, $session);
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}
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}
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}
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elsif ($form->title eq "preferences") {
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if ($form->submitted eq "Save Preferences" && $form->validate) {
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my $user_name=$form->field('name');
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}
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}
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}
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sub sessioncgi ($$) {
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my $q=shift;
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my $session=shift;
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}
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1
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