mirror of
https://git.proxmox.com/git/pve-access-control
synced 2025-06-06 20:58:01 +00:00
6063b65b9b
This changed with the previous TFA changes. In the long term, the plan is to let the user get into the half-logged-in state and open the TFA configuration window on the UI to allow them to finish their TFA setup, but for now we restore the previous behavior. Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com>
1521 lines
38 KiB
Perl
1521 lines
38 KiB
Perl
package PVE::AccessControl;
|
|
|
|
use strict;
|
|
use warnings;
|
|
use Encode;
|
|
use Crypt::OpenSSL::Random;
|
|
use Crypt::OpenSSL::RSA;
|
|
use Net::SSLeay;
|
|
use Net::IP;
|
|
use MIME::Base64;
|
|
use Digest::SHA;
|
|
use IO::File;
|
|
use File::stat;
|
|
use JSON;
|
|
|
|
use PVE::OTP;
|
|
use PVE::Ticket;
|
|
use PVE::Tools qw(run_command lock_file file_get_contents split_list safe_print);
|
|
use PVE::Cluster qw(cfs_register_file cfs_read_file cfs_write_file cfs_lock_file);
|
|
use PVE::JSONSchema qw(register_standard_option get_standard_option);
|
|
|
|
use PVE::Auth::Plugin;
|
|
use PVE::Auth::AD;
|
|
use PVE::Auth::LDAP;
|
|
use PVE::Auth::PVE;
|
|
use PVE::Auth::PAM;
|
|
|
|
# load and initialize all plugins
|
|
|
|
PVE::Auth::AD->register();
|
|
PVE::Auth::LDAP->register();
|
|
PVE::Auth::PVE->register();
|
|
PVE::Auth::PAM->register();
|
|
PVE::Auth::Plugin->init();
|
|
|
|
# $authdir must be writable by root only!
|
|
my $confdir = "/etc/pve";
|
|
my $authdir = "$confdir/priv";
|
|
|
|
my $pve_www_key_fn = "$confdir/pve-www.key";
|
|
|
|
my $pve_auth_key_files = {
|
|
priv => "$authdir/authkey.key",
|
|
pub => "$confdir/authkey.pub",
|
|
pubold => "$confdir/authkey.pub.old",
|
|
};
|
|
|
|
my $pve_auth_key_cache = {};
|
|
|
|
my $ticket_lifetime = 3600*2; # 2 hours
|
|
# TODO: set to 24h for PVE 6.0
|
|
my $authkey_lifetime = 3600*0; # rotation disabled
|
|
|
|
Crypt::OpenSSL::RSA->import_random_seed();
|
|
|
|
cfs_register_file('user.cfg',
|
|
\&parse_user_config,
|
|
\&write_user_config);
|
|
cfs_register_file('priv/tfa.cfg',
|
|
\&parse_priv_tfa_config,
|
|
\&write_priv_tfa_config);
|
|
|
|
sub verify_username {
|
|
PVE::Auth::Plugin::verify_username(@_);
|
|
}
|
|
|
|
sub pve_verify_realm {
|
|
PVE::Auth::Plugin::pve_verify_realm(@_);
|
|
}
|
|
|
|
sub lock_user_config {
|
|
my ($code, $errmsg) = @_;
|
|
|
|
cfs_lock_file("user.cfg", undef, $code);
|
|
if (my $err = $@) {
|
|
$errmsg ? die "$errmsg: $err" : die $err;
|
|
}
|
|
}
|
|
|
|
my $cache_read_key = sub {
|
|
my ($type) = @_;
|
|
|
|
my $path = $pve_auth_key_files->{$type};
|
|
|
|
my $read_key_and_mtime = sub {
|
|
my $fh = IO::File->new($path, "r");
|
|
|
|
return undef if !defined($fh);
|
|
|
|
my $st = stat($fh);
|
|
my $pem = PVE::Tools::safe_read_from($fh, 0, 0, $path);
|
|
|
|
close $fh;
|
|
|
|
my $key;
|
|
if ($type eq 'pub' || $type eq 'pubold') {
|
|
$key = eval { Crypt::OpenSSL::RSA->new_public_key($pem); };
|
|
} elsif ($type eq 'priv') {
|
|
$key = eval { Crypt::OpenSSL::RSA->new_private_key($pem); };
|
|
} else {
|
|
die "Invalid authkey type '$type'\n";
|
|
}
|
|
|
|
return { key => $key, mtime => $st->mtime };
|
|
};
|
|
|
|
if (!defined($pve_auth_key_cache->{$type})) {
|
|
$pve_auth_key_cache->{$type} = $read_key_and_mtime->();
|
|
} else {
|
|
my $st = stat($path);
|
|
if (!$st || $st->mtime != $pve_auth_key_cache->{$type}->{mtime}) {
|
|
$pve_auth_key_cache->{$type} = $read_key_and_mtime->();
|
|
}
|
|
}
|
|
|
|
return $pve_auth_key_cache->{$type};
|
|
};
|
|
|
|
sub get_pubkey {
|
|
my ($old) = @_;
|
|
|
|
my $type = $old ? 'pubold' : 'pub';
|
|
|
|
my $res = $cache_read_key->($type);
|
|
return undef if !defined($res);
|
|
|
|
return wantarray ? ($res->{key}, $res->{mtime}) : $res->{key};
|
|
}
|
|
|
|
sub get_privkey {
|
|
my $res = $cache_read_key->('priv');
|
|
|
|
if (!defined($res) || !check_authkey(1)) {
|
|
rotate_authkey();
|
|
$res = $cache_read_key->('priv');
|
|
}
|
|
|
|
return wantarray ? ($res->{key}, $res->{mtime}) : $res->{key};
|
|
}
|
|
|
|
sub check_authkey {
|
|
my ($quiet) = @_;
|
|
|
|
# skip check if non-quorate, as rotation is not possible anyway
|
|
return 1 if !PVE::Cluster::check_cfs_quorum(1);
|
|
|
|
my ($pub_key, $mtime) = get_pubkey();
|
|
if (!$pub_key) {
|
|
warn "auth key pair missing, generating new one..\n" if !$quiet;
|
|
return 0;
|
|
} else {
|
|
if (time() - $mtime >= $authkey_lifetime) {
|
|
warn "auth key pair too old, rotating..\n" if !$quiet;;
|
|
return 0;
|
|
} else {
|
|
warn "auth key new enough, skipping rotation\n" if !$quiet;;
|
|
return 1;
|
|
}
|
|
}
|
|
}
|
|
|
|
sub rotate_authkey {
|
|
return if $authkey_lifetime == 0;
|
|
|
|
PVE::Cluster::cfs_lock_authkey(undef, sub {
|
|
# re-check with lock to avoid double rotation in clusters
|
|
return if check_authkey();
|
|
|
|
my $old = get_pubkey();
|
|
|
|
if ($old) {
|
|
eval {
|
|
my $pem = $old->get_public_key_x509_string();
|
|
PVE::Tools::file_set_contents($pve_auth_key_files->{pubold}, $pem);
|
|
};
|
|
die "Failed to store old auth key: $@\n" if $@;
|
|
}
|
|
|
|
my $new = Crypt::OpenSSL::RSA->generate_key(2048);
|
|
eval {
|
|
my $pem = $new->get_public_key_x509_string();
|
|
PVE::Tools::file_set_contents($pve_auth_key_files->{pub}, $pem);
|
|
};
|
|
if ($@) {
|
|
if ($old) {
|
|
warn "Failed to store new auth key - $@\n";
|
|
warn "Reverting to previous auth key\n";
|
|
eval {
|
|
my $pem = $old->get_public_key_x509_string();
|
|
PVE::Tools::file_set_contents($pve_auth_key_files->{pub}, $pem);
|
|
};
|
|
die "Failed to restore old auth key: $@\n" if $@;
|
|
} else {
|
|
die "Failed to store new auth key - $@\n";
|
|
}
|
|
}
|
|
|
|
eval {
|
|
my $pem = $new->get_private_key_string();
|
|
PVE::Tools::file_set_contents($pve_auth_key_files->{priv}, $pem);
|
|
};
|
|
if ($@) {
|
|
warn "Failed to store new auth key - $@\n";
|
|
warn "Deleting auth key to force regeneration\n";
|
|
unlink $pve_auth_key_files->{pub};
|
|
unlink $pve_auth_key_files->{priv};
|
|
}
|
|
});
|
|
die $@ if $@;
|
|
}
|
|
|
|
my $csrf_prevention_secret;
|
|
my $get_csrfr_secret = sub {
|
|
if (!$csrf_prevention_secret) {
|
|
my $input = PVE::Tools::file_get_contents($pve_www_key_fn);
|
|
$csrf_prevention_secret = Digest::SHA::sha1_base64($input);
|
|
}
|
|
return $csrf_prevention_secret;
|
|
};
|
|
|
|
sub assemble_csrf_prevention_token {
|
|
my ($username) = @_;
|
|
|
|
my $secret = &$get_csrfr_secret();
|
|
|
|
return PVE::Ticket::assemble_csrf_prevention_token ($secret, $username);
|
|
}
|
|
|
|
sub verify_csrf_prevention_token {
|
|
my ($username, $token, $noerr) = @_;
|
|
|
|
my $secret = &$get_csrfr_secret();
|
|
|
|
return PVE::Ticket::verify_csrf_prevention_token(
|
|
$secret, $username, $token, -300, $ticket_lifetime, $noerr);
|
|
}
|
|
|
|
my $get_ticket_age_range = sub {
|
|
my ($now, $mtime, $rotated) = @_;
|
|
|
|
my $key_age = $now - $mtime;
|
|
$key_age = 0 if $key_age < 0;
|
|
|
|
my $min = -300;
|
|
my $max = $ticket_lifetime;
|
|
|
|
if ($rotated) {
|
|
# ticket creation after rotation is not allowed
|
|
$min = $key_age - 300;
|
|
} else {
|
|
if ($key_age > $authkey_lifetime && $authkey_lifetime > 0) {
|
|
if (PVE::Cluster::check_cfs_quorum(1)) {
|
|
# key should have been rotated, clamp range accordingly
|
|
$min = $key_age - $authkey_lifetime;
|
|
} else {
|
|
warn "Cluster not quorate - extending auth key lifetime!\n";
|
|
}
|
|
}
|
|
|
|
$max = $key_age + 300 if $key_age < $ticket_lifetime;
|
|
}
|
|
|
|
return undef if $min > $ticket_lifetime;
|
|
return ($min, $max);
|
|
};
|
|
|
|
sub assemble_ticket {
|
|
my ($data) = @_;
|
|
|
|
my $rsa_priv = get_privkey();
|
|
|
|
return PVE::Ticket::assemble_rsa_ticket($rsa_priv, 'PVE', $data);
|
|
}
|
|
|
|
sub verify_ticket {
|
|
my ($ticket, $noerr) = @_;
|
|
|
|
my $now = time();
|
|
|
|
my $check = sub {
|
|
my ($old) = @_;
|
|
|
|
my ($rsa_pub, $rsa_mtime) = get_pubkey($old);
|
|
return undef if !$rsa_pub;
|
|
|
|
my ($min, $max) = $get_ticket_age_range->($now, $rsa_mtime, $old);
|
|
return undef if !$min;
|
|
|
|
return PVE::Ticket::verify_rsa_ticket(
|
|
$rsa_pub, 'PVE', $ticket, undef, $min, $max, 1);
|
|
};
|
|
|
|
my ($data, $age) = $check->();
|
|
|
|
# check with old, rotated key if current key failed
|
|
($data, $age) = $check->(1) if !defined($data);
|
|
|
|
my $auth_failure = sub {
|
|
if ($noerr) {
|
|
return undef;
|
|
} else {
|
|
# raise error via undef ticket
|
|
PVE::Ticket::verify_rsa_ticket(undef, 'PVE');
|
|
}
|
|
};
|
|
|
|
if (!defined($data)) {
|
|
return $auth_failure->();
|
|
}
|
|
|
|
my ($username, $tfa_info);
|
|
if ($data =~ m{^u2f!([^!]+)!([0-9a-zA-Z/.=_\-+]+)$}) {
|
|
# Ticket for u2f-users:
|
|
($username, my $challenge) = ($1, $2);
|
|
if ($challenge eq 'verified') {
|
|
# u2f challenge was completed
|
|
$challenge = undef;
|
|
} elsif (!wantarray) {
|
|
# The caller is not aware there could be an ongoing challenge,
|
|
# so we treat this ticket as invalid:
|
|
return $auth_failure->();
|
|
}
|
|
$tfa_info = {
|
|
type => 'u2f',
|
|
challenge => $challenge,
|
|
};
|
|
} elsif ($data =~ /^tfa!(.*)$/) {
|
|
# TOTP and Yubico don't require a challenge so this is the generic
|
|
# 'missing 2nd factor ticket'
|
|
$username = $1;
|
|
$tfa_info = { type => 'tfa' };
|
|
} else {
|
|
# Regular ticket (full access)
|
|
$username = $data;
|
|
}
|
|
|
|
return undef if !PVE::Auth::Plugin::verify_username($username, $noerr);
|
|
|
|
return wantarray ? ($username, $age, $tfa_info) : $username;
|
|
}
|
|
|
|
# VNC tickets
|
|
# - they do not contain the username in plain text
|
|
# - they are restricted to a specific resource path (example: '/vms/100')
|
|
sub assemble_vnc_ticket {
|
|
my ($username, $path) = @_;
|
|
|
|
my $rsa_priv = get_privkey();
|
|
|
|
$path = normalize_path($path);
|
|
|
|
my $secret_data = "$username:$path";
|
|
|
|
return PVE::Ticket::assemble_rsa_ticket(
|
|
$rsa_priv, 'PVEVNC', undef, $secret_data);
|
|
}
|
|
|
|
sub verify_vnc_ticket {
|
|
my ($ticket, $username, $path, $noerr) = @_;
|
|
|
|
my $secret_data = "$username:$path";
|
|
|
|
my ($rsa_pub, $rsa_mtime) = get_pubkey();
|
|
if (!$rsa_pub || (time() - $rsa_mtime > $authkey_lifetime && $authkey_lifetime > 0)) {
|
|
if ($noerr) {
|
|
return undef;
|
|
} else {
|
|
# raise error via undef ticket
|
|
PVE::Ticket::verify_rsa_ticket($rsa_pub, 'PVEVNC');
|
|
}
|
|
}
|
|
|
|
return PVE::Ticket::verify_rsa_ticket(
|
|
$rsa_pub, 'PVEVNC', $ticket, $secret_data, -20, 40, $noerr);
|
|
}
|
|
|
|
sub assemble_spice_ticket {
|
|
my ($username, $vmid, $node) = @_;
|
|
|
|
my $secret = &$get_csrfr_secret();
|
|
|
|
return PVE::Ticket::assemble_spice_ticket(
|
|
$secret, $username, $vmid, $node);
|
|
}
|
|
|
|
sub verify_spice_connect_url {
|
|
my ($connect_str) = @_;
|
|
|
|
my $secret = &$get_csrfr_secret();
|
|
|
|
return PVE::Ticket::verify_spice_connect_url($secret, $connect_str);
|
|
}
|
|
|
|
sub read_x509_subject_spice {
|
|
my ($filename) = @_;
|
|
|
|
# read x509 subject
|
|
my $bio = Net::SSLeay::BIO_new_file($filename, 'r');
|
|
die "Could not open $filename using OpenSSL\n"
|
|
if !$bio;
|
|
|
|
my $x509 = Net::SSLeay::PEM_read_bio_X509($bio);
|
|
Net::SSLeay::BIO_free($bio);
|
|
|
|
die "Could not parse X509 certificate in $filename\n"
|
|
if !$x509;
|
|
|
|
my $nameobj = Net::SSLeay::X509_get_subject_name($x509);
|
|
my $subject = Net::SSLeay::X509_NAME_oneline($nameobj);
|
|
Net::SSLeay::X509_free($x509);
|
|
|
|
# remote-viewer wants comma as seperator (not '/')
|
|
$subject =~ s!^/!!;
|
|
$subject =~ s!/(\w+=)!,$1!g;
|
|
|
|
return $subject;
|
|
}
|
|
|
|
# helper to generate SPICE remote-viewer configuration
|
|
sub remote_viewer_config {
|
|
my ($authuser, $vmid, $node, $proxy, $title, $port) = @_;
|
|
|
|
if (!$proxy) {
|
|
my $host = `hostname -f` || PVE::INotify::nodename();
|
|
chomp $host;
|
|
$proxy = $host;
|
|
}
|
|
|
|
my ($ticket, $proxyticket) = assemble_spice_ticket($authuser, $vmid, $node);
|
|
|
|
my $filename = "/etc/pve/local/pve-ssl.pem";
|
|
my $subject = read_x509_subject_spice($filename);
|
|
|
|
my $cacert = PVE::Tools::file_get_contents("/etc/pve/pve-root-ca.pem", 8192);
|
|
$cacert =~ s/\n/\\n/g;
|
|
|
|
$proxy = "[$proxy]" if Net::IP::ip_is_ipv6($proxy);
|
|
my $config = {
|
|
'secure-attention' => "Ctrl+Alt+Ins",
|
|
'toggle-fullscreen' => "Shift+F11",
|
|
'release-cursor' => "Ctrl+Alt+R",
|
|
type => 'spice',
|
|
title => $title,
|
|
host => $proxyticket, # this breaks tls hostname verification, so we need to use 'host-subject'
|
|
proxy => "http://$proxy:3128",
|
|
'tls-port' => $port,
|
|
'host-subject' => $subject,
|
|
ca => $cacert,
|
|
password => $ticket,
|
|
'delete-this-file' => 1,
|
|
};
|
|
|
|
return ($ticket, $proxyticket, $config);
|
|
}
|
|
|
|
sub check_user_exist {
|
|
my ($usercfg, $username, $noerr) = @_;
|
|
|
|
$username = PVE::Auth::Plugin::verify_username($username, $noerr);
|
|
return undef if !$username;
|
|
|
|
return $usercfg->{users}->{$username} if $usercfg && $usercfg->{users}->{$username};
|
|
|
|
die "no such user ('$username')\n" if !$noerr;
|
|
|
|
return undef;
|
|
}
|
|
|
|
sub check_user_enabled {
|
|
my ($usercfg, $username, $noerr) = @_;
|
|
|
|
my $data = check_user_exist($usercfg, $username, $noerr);
|
|
return undef if !$data;
|
|
|
|
return 1 if $data->{enable};
|
|
|
|
die "user '$username' is disabled\n" if !$noerr;
|
|
|
|
return undef;
|
|
}
|
|
|
|
sub verify_one_time_pw {
|
|
my ($type, $username, $keys, $tfa_cfg, $otp) = @_;
|
|
|
|
die "missing one time password for two-factor authentication '$type'\n" if !$otp;
|
|
|
|
# fixme: proxy support?
|
|
my $proxy;
|
|
|
|
if ($type eq 'yubico') {
|
|
PVE::OTP::yubico_verify_otp($otp, $keys, $tfa_cfg->{url},
|
|
$tfa_cfg->{id}, $tfa_cfg->{key}, $proxy);
|
|
} elsif ($type eq 'oath') {
|
|
PVE::OTP::oath_verify_otp($otp, $keys, $tfa_cfg->{step}, $tfa_cfg->{digits});
|
|
} else {
|
|
die "unknown tfa type '$type'\n";
|
|
}
|
|
}
|
|
|
|
# password should be utf8 encoded
|
|
# Note: some plugins delay/sleep if auth fails
|
|
sub authenticate_user {
|
|
my ($username, $password, $otp) = @_;
|
|
|
|
die "no username specified\n" if !$username;
|
|
|
|
my ($ruid, $realm);
|
|
|
|
($username, $ruid, $realm) = PVE::Auth::Plugin::verify_username($username);
|
|
|
|
my $usercfg = cfs_read_file('user.cfg');
|
|
|
|
check_user_enabled($usercfg, $username);
|
|
|
|
my $ctime = time();
|
|
my $expire = $usercfg->{users}->{$username}->{expire};
|
|
|
|
die "account expired\n" if $expire && ($expire < $ctime);
|
|
|
|
my $domain_cfg = cfs_read_file('domains.cfg');
|
|
|
|
my $cfg = $domain_cfg->{ids}->{$realm};
|
|
die "auth domain '$realm' does not exists\n" if !$cfg;
|
|
my $plugin = PVE::Auth::Plugin->lookup($cfg->{type});
|
|
$plugin->authenticate_user($cfg, $realm, $ruid, $password);
|
|
|
|
my ($type, $tfa_data) = user_get_tfa($username, $realm);
|
|
if ($type) {
|
|
if ($type eq 'u2f') {
|
|
# Note that if the user did not manage to complete the initial u2f registration
|
|
# challenge we have a hash containing a 'challenge' entry in the user's tfa.cfg entry:
|
|
$tfa_data = undef if exists $tfa_data->{challenge};
|
|
} elsif (!defined($otp)) {
|
|
# The user requires a 2nd factor but has not provided one. Return success but
|
|
# don't clear $tfa_data.
|
|
} else {
|
|
my $keys = $tfa_data->{keys};
|
|
my $tfa_cfg = $tfa_data->{config};
|
|
verify_one_time_pw($type, $username, $keys, $tfa_cfg, $otp);
|
|
$tfa_data = undef;
|
|
}
|
|
|
|
# Return the type along with the rest:
|
|
if ($tfa_data) {
|
|
$tfa_data = {
|
|
type => $type,
|
|
data => $tfa_data,
|
|
};
|
|
}
|
|
}
|
|
|
|
return wantarray ? ($username, $tfa_data) : $username;
|
|
}
|
|
|
|
sub domain_set_password {
|
|
my ($realm, $username, $password) = @_;
|
|
|
|
die "no auth domain specified" if !$realm;
|
|
|
|
my $domain_cfg = cfs_read_file('domains.cfg');
|
|
|
|
my $cfg = $domain_cfg->{ids}->{$realm};
|
|
die "auth domain '$realm' does not exist\n" if !$cfg;
|
|
my $plugin = PVE::Auth::Plugin->lookup($cfg->{type});
|
|
$plugin->store_password($cfg, $realm, $username, $password);
|
|
}
|
|
|
|
sub add_user_group {
|
|
my ($username, $usercfg, $group) = @_;
|
|
|
|
$usercfg->{users}->{$username}->{groups}->{$group} = 1;
|
|
$usercfg->{groups}->{$group}->{users}->{$username} = 1;
|
|
}
|
|
|
|
sub delete_user_group {
|
|
my ($username, $usercfg) = @_;
|
|
|
|
foreach my $group (keys %{$usercfg->{groups}}) {
|
|
|
|
delete ($usercfg->{groups}->{$group}->{users}->{$username})
|
|
if $usercfg->{groups}->{$group}->{users}->{$username};
|
|
}
|
|
}
|
|
|
|
sub delete_user_acl {
|
|
my ($username, $usercfg) = @_;
|
|
|
|
foreach my $acl (keys %{$usercfg->{acl}}) {
|
|
|
|
delete ($usercfg->{acl}->{$acl}->{users}->{$username})
|
|
if $usercfg->{acl}->{$acl}->{users}->{$username};
|
|
}
|
|
}
|
|
|
|
sub delete_group_acl {
|
|
my ($group, $usercfg) = @_;
|
|
|
|
foreach my $acl (keys %{$usercfg->{acl}}) {
|
|
|
|
delete ($usercfg->{acl}->{$acl}->{groups}->{$group})
|
|
if $usercfg->{acl}->{$acl}->{groups}->{$group};
|
|
}
|
|
}
|
|
|
|
sub delete_pool_acl {
|
|
my ($pool, $usercfg) = @_;
|
|
|
|
my $path = "/pool/$pool";
|
|
|
|
delete ($usercfg->{acl}->{$path})
|
|
}
|
|
|
|
# we automatically create some predefined roles by splitting privs
|
|
# into 3 groups (per category)
|
|
# root: only root is allowed to do that
|
|
# admin: an administrator can to that
|
|
# user: a normal user/customer can to that
|
|
my $privgroups = {
|
|
VM => {
|
|
root => [],
|
|
admin => [
|
|
'VM.Config.Disk',
|
|
'VM.Config.CPU',
|
|
'VM.Config.Memory',
|
|
'VM.Config.Network',
|
|
'VM.Config.HWType',
|
|
'VM.Config.Options', # covers all other things
|
|
'VM.Allocate',
|
|
'VM.Clone',
|
|
'VM.Migrate',
|
|
'VM.Monitor',
|
|
'VM.Snapshot',
|
|
'VM.Snapshot.Rollback',
|
|
],
|
|
user => [
|
|
'VM.Config.CDROM', # change CDROM media
|
|
'VM.Console',
|
|
'VM.Backup',
|
|
'VM.PowerMgmt',
|
|
],
|
|
audit => [
|
|
'VM.Audit',
|
|
],
|
|
},
|
|
Sys => {
|
|
root => [
|
|
'Sys.PowerMgmt',
|
|
'Sys.Modify', # edit/change node settings
|
|
],
|
|
admin => [
|
|
'Permissions.Modify',
|
|
'Sys.Console',
|
|
'Sys.Syslog',
|
|
],
|
|
user => [],
|
|
audit => [
|
|
'Sys.Audit',
|
|
],
|
|
},
|
|
Datastore => {
|
|
root => [],
|
|
admin => [
|
|
'Datastore.Allocate',
|
|
'Datastore.AllocateTemplate',
|
|
],
|
|
user => [
|
|
'Datastore.AllocateSpace',
|
|
],
|
|
audit => [
|
|
'Datastore.Audit',
|
|
],
|
|
},
|
|
User => {
|
|
root => [
|
|
'Realm.Allocate',
|
|
],
|
|
admin => [
|
|
'User.Modify',
|
|
'Group.Allocate', # edit/change group settings
|
|
'Realm.AllocateUser',
|
|
],
|
|
user => [],
|
|
audit => [],
|
|
},
|
|
Pool => {
|
|
root => [],
|
|
admin => [
|
|
'Pool.Allocate', # create/delete pools
|
|
],
|
|
user => [],
|
|
audit => [],
|
|
},
|
|
};
|
|
|
|
my $valid_privs = {};
|
|
|
|
my $special_roles = {
|
|
'NoAccess' => {}, # no privileges
|
|
'Administrator' => $valid_privs, # all privileges
|
|
};
|
|
|
|
sub create_roles {
|
|
|
|
foreach my $cat (keys %$privgroups) {
|
|
my $cd = $privgroups->{$cat};
|
|
foreach my $p (@{$cd->{root}}, @{$cd->{admin}},
|
|
@{$cd->{user}}, @{$cd->{audit}}) {
|
|
$valid_privs->{$p} = 1;
|
|
}
|
|
foreach my $p (@{$cd->{admin}}, @{$cd->{user}}, @{$cd->{audit}}) {
|
|
|
|
$special_roles->{"PVE${cat}Admin"}->{$p} = 1;
|
|
$special_roles->{"PVEAdmin"}->{$p} = 1;
|
|
}
|
|
if (scalar(@{$cd->{user}})) {
|
|
foreach my $p (@{$cd->{user}}, @{$cd->{audit}}) {
|
|
$special_roles->{"PVE${cat}User"}->{$p} = 1;
|
|
}
|
|
}
|
|
foreach my $p (@{$cd->{audit}}) {
|
|
$special_roles->{"PVEAuditor"}->{$p} = 1;
|
|
}
|
|
}
|
|
|
|
$special_roles->{"PVETemplateUser"} = { 'VM.Clone' => 1, 'VM.Audit' => 1 };
|
|
};
|
|
|
|
create_roles();
|
|
|
|
sub create_priv_properties {
|
|
my $properties = {};
|
|
foreach my $priv (keys %$valid_privs) {
|
|
$properties->{$priv} = {
|
|
type => 'boolean',
|
|
optional => 1,
|
|
};
|
|
}
|
|
return $properties;
|
|
}
|
|
|
|
sub role_is_special {
|
|
my ($role) = @_;
|
|
return (exists $special_roles->{$role}) ? 1 : 0;
|
|
}
|
|
|
|
sub add_role_privs {
|
|
my ($role, $usercfg, $privs) = @_;
|
|
|
|
return if !$privs;
|
|
|
|
die "role '$role' does not exist\n" if !$usercfg->{roles}->{$role};
|
|
|
|
foreach my $priv (split_list($privs)) {
|
|
if (defined ($valid_privs->{$priv})) {
|
|
$usercfg->{roles}->{$role}->{$priv} = 1;
|
|
} else {
|
|
die "invalid privilege '$priv'\n";
|
|
}
|
|
}
|
|
}
|
|
|
|
sub normalize_path {
|
|
my $path = shift;
|
|
|
|
$path =~ s|/+|/|g;
|
|
|
|
$path =~ s|/$||;
|
|
|
|
$path = '/' if !$path;
|
|
|
|
$path = "/$path" if $path !~ m|^/|;
|
|
|
|
return undef if $path !~ m|^[[:alnum:]\.\-\_\/]+$|;
|
|
|
|
return $path;
|
|
}
|
|
|
|
PVE::JSONSchema::register_format('pve-groupid', \&verify_groupname);
|
|
sub verify_groupname {
|
|
my ($groupname, $noerr) = @_;
|
|
|
|
if ($groupname !~ m/^[A-Za-z0-9\.\-_]+$/) {
|
|
|
|
die "group name '$groupname' contains invalid characters\n" if !$noerr;
|
|
|
|
return undef;
|
|
}
|
|
|
|
return $groupname;
|
|
}
|
|
|
|
PVE::JSONSchema::register_format('pve-roleid', \&verify_rolename);
|
|
sub verify_rolename {
|
|
my ($rolename, $noerr) = @_;
|
|
|
|
if ($rolename !~ m/^[A-Za-z0-9\.\-_]+$/) {
|
|
|
|
die "role name '$rolename' contains invalid characters\n" if !$noerr;
|
|
|
|
return undef;
|
|
}
|
|
|
|
return $rolename;
|
|
}
|
|
|
|
PVE::JSONSchema::register_format('pve-poolid', \&verify_poolname);
|
|
sub verify_poolname {
|
|
my ($poolname, $noerr) = @_;
|
|
|
|
if ($poolname !~ m/^[A-Za-z0-9\.\-_]+$/) {
|
|
|
|
die "pool name '$poolname' contains invalid characters\n" if !$noerr;
|
|
|
|
return undef;
|
|
}
|
|
|
|
return $poolname;
|
|
}
|
|
|
|
PVE::JSONSchema::register_format('pve-priv', \&verify_privname);
|
|
sub verify_privname {
|
|
my ($priv, $noerr) = @_;
|
|
|
|
if (!$valid_privs->{$priv}) {
|
|
die "invalid privilege '$priv'\n" if !$noerr;
|
|
|
|
return undef;
|
|
}
|
|
|
|
return $priv;
|
|
}
|
|
|
|
sub userconfig_force_defaults {
|
|
my ($cfg) = @_;
|
|
|
|
foreach my $r (keys %$special_roles) {
|
|
$cfg->{roles}->{$r} = $special_roles->{$r};
|
|
}
|
|
|
|
# add root user if not exists
|
|
if (!$cfg->{users}->{'root@pam'}) {
|
|
$cfg->{users}->{'root@pam'}->{enable} = 1;
|
|
}
|
|
}
|
|
|
|
sub parse_user_config {
|
|
my ($filename, $raw) = @_;
|
|
|
|
my $cfg = {};
|
|
|
|
userconfig_force_defaults($cfg);
|
|
|
|
$raw = '' if !defined($raw);
|
|
while ($raw =~ /^\s*(.+?)\s*$/gm) {
|
|
my $line = $1;
|
|
my @data;
|
|
|
|
foreach my $d (split (/:/, $line)) {
|
|
$d =~ s/^\s+//;
|
|
$d =~ s/\s+$//;
|
|
push @data, $d
|
|
}
|
|
|
|
my $et = shift @data;
|
|
|
|
if ($et eq 'user') {
|
|
my ($user, $enable, $expire, $firstname, $lastname, $email, $comment, $keys) = @data;
|
|
|
|
my (undef, undef, $realm) = PVE::Auth::Plugin::verify_username($user, 1);
|
|
if (!$realm) {
|
|
warn "user config - ignore user '$user' - invalid user name\n";
|
|
next;
|
|
}
|
|
|
|
$enable = $enable ? 1 : 0;
|
|
|
|
$expire = 0 if !$expire;
|
|
|
|
if ($expire !~ m/^\d+$/) {
|
|
warn "user config - ignore user '$user' - (illegal characters in expire '$expire')\n";
|
|
next;
|
|
}
|
|
$expire = int($expire);
|
|
|
|
#if (!verify_groupname ($group, 1)) {
|
|
# warn "user config - ignore user '$user' - invalid characters in group name\n";
|
|
# next;
|
|
#}
|
|
|
|
$cfg->{users}->{$user} = {
|
|
enable => $enable,
|
|
# group => $group,
|
|
};
|
|
$cfg->{users}->{$user}->{firstname} = PVE::Tools::decode_text($firstname) if $firstname;
|
|
$cfg->{users}->{$user}->{lastname} = PVE::Tools::decode_text($lastname) if $lastname;
|
|
$cfg->{users}->{$user}->{email} = $email;
|
|
$cfg->{users}->{$user}->{comment} = PVE::Tools::decode_text($comment) if $comment;
|
|
$cfg->{users}->{$user}->{expire} = $expire;
|
|
# keys: allowed yubico key ids or oath secrets (base32 encoded)
|
|
$cfg->{users}->{$user}->{keys} = $keys if $keys;
|
|
|
|
#$cfg->{users}->{$user}->{groups}->{$group} = 1;
|
|
#$cfg->{groups}->{$group}->{$user} = 1;
|
|
|
|
} elsif ($et eq 'group') {
|
|
my ($group, $userlist, $comment) = @data;
|
|
|
|
if (!verify_groupname($group, 1)) {
|
|
warn "user config - ignore group '$group' - invalid characters in group name\n";
|
|
next;
|
|
}
|
|
|
|
# make sure to add the group (even if there are no members)
|
|
$cfg->{groups}->{$group} = { users => {} } if !$cfg->{groups}->{$group};
|
|
|
|
$cfg->{groups}->{$group}->{comment} = PVE::Tools::decode_text($comment) if $comment;
|
|
|
|
foreach my $user (split_list($userlist)) {
|
|
|
|
if (!PVE::Auth::Plugin::verify_username($user, 1)) {
|
|
warn "user config - ignore invalid group member '$user'\n";
|
|
next;
|
|
}
|
|
|
|
if ($cfg->{users}->{$user}) { # user exists
|
|
$cfg->{users}->{$user}->{groups}->{$group} = 1;
|
|
$cfg->{groups}->{$group}->{users}->{$user} = 1;
|
|
} else {
|
|
warn "user config - ignore invalid group member '$user'\n";
|
|
}
|
|
}
|
|
|
|
} elsif ($et eq 'role') {
|
|
my ($role, $privlist) = @data;
|
|
|
|
if (!verify_rolename($role, 1)) {
|
|
warn "user config - ignore role '$role' - invalid characters in role name\n";
|
|
next;
|
|
}
|
|
|
|
# make sure to add the role (even if there are no privileges)
|
|
$cfg->{roles}->{$role} = {} if !$cfg->{roles}->{$role};
|
|
|
|
foreach my $priv (split_list($privlist)) {
|
|
if (defined ($valid_privs->{$priv})) {
|
|
$cfg->{roles}->{$role}->{$priv} = 1;
|
|
} else {
|
|
warn "user config - ignore invalid priviledge '$priv'\n";
|
|
}
|
|
}
|
|
|
|
} elsif ($et eq 'acl') {
|
|
my ($propagate, $pathtxt, $uglist, $rolelist) = @data;
|
|
|
|
if (my $path = normalize_path($pathtxt)) {
|
|
foreach my $role (split_list($rolelist)) {
|
|
|
|
if (!verify_rolename($role, 1)) {
|
|
warn "user config - ignore invalid role name '$role' in acl\n";
|
|
next;
|
|
}
|
|
|
|
foreach my $ug (split_list($uglist)) {
|
|
if ($ug =~ m/^@(\S+)$/) {
|
|
my $group = $1;
|
|
if ($cfg->{groups}->{$group}) { # group exists
|
|
$cfg->{acl}->{$path}->{groups}->{$group}->{$role} = $propagate;
|
|
} else {
|
|
warn "user config - ignore invalid acl group '$group'\n";
|
|
}
|
|
} elsif (PVE::Auth::Plugin::verify_username($ug, 1)) {
|
|
if ($cfg->{users}->{$ug}) { # user exists
|
|
$cfg->{acl}->{$path}->{users}->{$ug}->{$role} = $propagate;
|
|
} else {
|
|
warn "user config - ignore invalid acl member '$ug'\n";
|
|
}
|
|
} else {
|
|
warn "user config - invalid user/group '$ug' in acl\n";
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
warn "user config - ignore invalid path in acl '$pathtxt'\n";
|
|
}
|
|
} elsif ($et eq 'pool') {
|
|
my ($pool, $comment, $vmlist, $storelist) = @data;
|
|
|
|
if (!verify_poolname($pool, 1)) {
|
|
warn "user config - ignore pool '$pool' - invalid characters in pool name\n";
|
|
next;
|
|
}
|
|
|
|
# make sure to add the pool (even if there are no members)
|
|
$cfg->{pools}->{$pool} = { vms => {}, storage => {} } if !$cfg->{pools}->{$pool};
|
|
|
|
$cfg->{pools}->{$pool}->{comment} = PVE::Tools::decode_text($comment) if $comment;
|
|
|
|
foreach my $vmid (split_list($vmlist)) {
|
|
if ($vmid !~ m/^\d+$/) {
|
|
warn "user config - ignore invalid vmid '$vmid' in pool '$pool'\n";
|
|
next;
|
|
}
|
|
$vmid = int($vmid);
|
|
|
|
if ($cfg->{vms}->{$vmid}) {
|
|
warn "user config - ignore duplicate vmid '$vmid' in pool '$pool'\n";
|
|
next;
|
|
}
|
|
|
|
$cfg->{pools}->{$pool}->{vms}->{$vmid} = 1;
|
|
|
|
# record vmid ==> pool relation
|
|
$cfg->{vms}->{$vmid} = $pool;
|
|
}
|
|
|
|
foreach my $storeid (split_list($storelist)) {
|
|
if ($storeid !~ m/^[a-z][a-z0-9\-\_\.]*[a-z0-9]$/i) {
|
|
warn "user config - ignore invalid storage '$storeid' in pool '$pool'\n";
|
|
next;
|
|
}
|
|
$cfg->{pools}->{$pool}->{storage}->{$storeid} = 1;
|
|
}
|
|
} else {
|
|
warn "user config - ignore config line: $line\n";
|
|
}
|
|
}
|
|
|
|
userconfig_force_defaults($cfg);
|
|
|
|
return $cfg;
|
|
}
|
|
|
|
sub write_user_config {
|
|
my ($filename, $cfg) = @_;
|
|
|
|
my $data = '';
|
|
|
|
foreach my $user (keys %{$cfg->{users}}) {
|
|
my $d = $cfg->{users}->{$user};
|
|
my $firstname = $d->{firstname} ? PVE::Tools::encode_text($d->{firstname}) : '';
|
|
my $lastname = $d->{lastname} ? PVE::Tools::encode_text($d->{lastname}) : '';
|
|
my $email = $d->{email} || '';
|
|
my $comment = $d->{comment} ? PVE::Tools::encode_text($d->{comment}) : '';
|
|
my $expire = int($d->{expire} || 0);
|
|
my $enable = $d->{enable} ? 1 : 0;
|
|
my $keys = $d->{keys} ? $d->{keys} : '';
|
|
$data .= "user:$user:$enable:$expire:$firstname:$lastname:$email:$comment:$keys:\n";
|
|
}
|
|
|
|
$data .= "\n";
|
|
|
|
foreach my $group (keys %{$cfg->{groups}}) {
|
|
my $d = $cfg->{groups}->{$group};
|
|
my $list = join (',', keys %{$d->{users}});
|
|
my $comment = $d->{comment} ? PVE::Tools::encode_text($d->{comment}) : '';
|
|
$data .= "group:$group:$list:$comment:\n";
|
|
}
|
|
|
|
$data .= "\n";
|
|
|
|
foreach my $pool (keys %{$cfg->{pools}}) {
|
|
my $d = $cfg->{pools}->{$pool};
|
|
my $vmlist = join (',', keys %{$d->{vms}});
|
|
my $storelist = join (',', keys %{$d->{storage}});
|
|
my $comment = $d->{comment} ? PVE::Tools::encode_text($d->{comment}) : '';
|
|
$data .= "pool:$pool:$comment:$vmlist:$storelist:\n";
|
|
}
|
|
|
|
$data .= "\n";
|
|
|
|
foreach my $role (keys %{$cfg->{roles}}) {
|
|
next if $special_roles->{$role};
|
|
|
|
my $d = $cfg->{roles}->{$role};
|
|
my $list = join (',', keys %$d);
|
|
$data .= "role:$role:$list:\n";
|
|
}
|
|
|
|
$data .= "\n";
|
|
|
|
foreach my $path (sort keys %{$cfg->{acl}}) {
|
|
my $d = $cfg->{acl}->{$path};
|
|
|
|
my $ra = {};
|
|
|
|
foreach my $group (keys %{$d->{groups}}) {
|
|
my $l0 = '';
|
|
my $l1 = '';
|
|
foreach my $role (sort keys %{$d->{groups}->{$group}}) {
|
|
my $propagate = $d->{groups}->{$group}->{$role};
|
|
if ($propagate) {
|
|
$l1 .= ',' if $l1;
|
|
$l1 .= $role;
|
|
} else {
|
|
$l0 .= ',' if $l0;
|
|
$l0 .= $role;
|
|
}
|
|
}
|
|
$ra->{0}->{$l0}->{"\@$group"} = 1 if $l0;
|
|
$ra->{1}->{$l1}->{"\@$group"} = 1 if $l1;
|
|
}
|
|
|
|
foreach my $user (keys %{$d->{users}}) {
|
|
# no need to save, because root is always 'Administrator'
|
|
next if $user eq 'root@pam';
|
|
|
|
my $l0 = '';
|
|
my $l1 = '';
|
|
foreach my $role (sort keys %{$d->{users}->{$user}}) {
|
|
my $propagate = $d->{users}->{$user}->{$role};
|
|
if ($propagate) {
|
|
$l1 .= ',' if $l1;
|
|
$l1 .= $role;
|
|
} else {
|
|
$l0 .= ',' if $l0;
|
|
$l0 .= $role;
|
|
}
|
|
}
|
|
$ra->{0}->{$l0}->{$user} = 1 if $l0;
|
|
$ra->{1}->{$l1}->{$user} = 1 if $l1;
|
|
}
|
|
|
|
foreach my $rolelist (sort keys %{$ra->{0}}) {
|
|
my $uglist = join (',', keys %{$ra->{0}->{$rolelist}});
|
|
$data .= "acl:0:$path:$uglist:$rolelist:\n";
|
|
}
|
|
foreach my $rolelist (sort keys %{$ra->{1}}) {
|
|
my $uglist = join (',', keys %{$ra->{1}->{$rolelist}});
|
|
$data .= "acl:1:$path:$uglist:$rolelist:\n";
|
|
}
|
|
}
|
|
|
|
return $data;
|
|
}
|
|
|
|
# The TFA configuration in priv/tfa.cfg format contains one line per user of
|
|
# the form:
|
|
# USER:TYPE:DATA
|
|
# DATA is a base64 encoded json string and its format depends on the type.
|
|
sub parse_priv_tfa_config {
|
|
my ($filename, $raw) = @_;
|
|
|
|
my $users = {};
|
|
my $cfg = { users => $users };
|
|
|
|
$raw = '' if !defined($raw);
|
|
while ($raw =~ /^\s*(.+?)\s*$/gm) {
|
|
my $line = $1;
|
|
my ($user, $type, $data) = split(/:/, $line, 3);
|
|
|
|
my (undef, undef, $realm) = PVE::Auth::Plugin::verify_username($user, 1);
|
|
if (!$realm) {
|
|
warn "user tfa config - ignore user '$user' - invalid user name\n";
|
|
next;
|
|
}
|
|
|
|
$data = decode_json(decode_base64($data));
|
|
|
|
$users->{$user} = {
|
|
type => $type,
|
|
data => $data,
|
|
};
|
|
}
|
|
|
|
return $cfg;
|
|
}
|
|
|
|
sub write_priv_tfa_config {
|
|
my ($filename, $cfg) = @_;
|
|
|
|
my $output = '';
|
|
|
|
my $users = $cfg->{users};
|
|
foreach my $user (sort keys %$users) {
|
|
my $info = $users->{$user};
|
|
next if !%$info; # skip empty entries
|
|
|
|
$info = {%$info}; # copy to verify contents:
|
|
|
|
my $type = delete $info->{type};
|
|
my $data = delete $info->{data};
|
|
|
|
if (my @keys = keys %$info) {
|
|
die "invalid keys in TFA config for user $user: " . join(', ', @keys) . "\n";
|
|
}
|
|
|
|
$data = encode_base64(encode_json($data), '');
|
|
$output .= "${user}:${type}:${data}\n";
|
|
}
|
|
|
|
return $output;
|
|
}
|
|
|
|
sub roles {
|
|
my ($cfg, $user, $path) = @_;
|
|
|
|
# NOTE: we do not consider pools here.
|
|
# You need to use $rpcenv->roles() instead if you want that.
|
|
|
|
return 'Administrator' if $user eq 'root@pam'; # root can do anything
|
|
|
|
my $perm = {};
|
|
|
|
foreach my $p (sort keys %{$cfg->{acl}}) {
|
|
my $final = ($path eq $p);
|
|
|
|
next if !(($p eq '/') || $final || ($path =~ m|^$p/|));
|
|
|
|
my $acl = $cfg->{acl}->{$p};
|
|
|
|
#print "CHECKACL $path $p\n";
|
|
#print "ACL $path = " . Dumper ($acl);
|
|
|
|
if (my $ri = $acl->{users}->{$user}) {
|
|
my $new;
|
|
foreach my $role (keys %$ri) {
|
|
my $propagate = $ri->{$role};
|
|
if ($final || $propagate) {
|
|
#print "APPLY ROLE $p $user $role\n";
|
|
$new = {} if !$new;
|
|
$new->{$role} = 1;
|
|
}
|
|
}
|
|
if ($new) {
|
|
$perm = $new; # overwrite previous settings
|
|
next; # user privs always override group privs
|
|
}
|
|
}
|
|
|
|
my $new;
|
|
foreach my $g (keys %{$acl->{groups}}) {
|
|
next if !$cfg->{groups}->{$g}->{users}->{$user};
|
|
if (my $ri = $acl->{groups}->{$g}) {
|
|
foreach my $role (keys %$ri) {
|
|
my $propagate = $ri->{$role};
|
|
if ($final || $propagate) {
|
|
#print "APPLY ROLE $p \@$g $role\n";
|
|
$new = {} if !$new;
|
|
$new->{$role} = 1;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if ($new) {
|
|
$perm = $new; # overwrite previous settings
|
|
next;
|
|
}
|
|
}
|
|
|
|
return ('NoAccess') if defined ($perm->{NoAccess});
|
|
#return () if defined ($perm->{NoAccess});
|
|
|
|
#print "permission $user $path = " . Dumper ($perm);
|
|
|
|
my @ra = keys %$perm;
|
|
|
|
#print "roles $user $path = " . join (',', @ra) . "\n";
|
|
|
|
return @ra;
|
|
}
|
|
|
|
sub permission {
|
|
my ($cfg, $user, $path) = @_;
|
|
|
|
$user = PVE::Auth::Plugin::verify_username($user, 1);
|
|
return {} if !$user;
|
|
|
|
my @ra = roles($cfg, $user, $path);
|
|
|
|
my $privs = {};
|
|
|
|
foreach my $role (@ra) {
|
|
if (my $privset = $cfg->{roles}->{$role}) {
|
|
foreach my $p (keys %$privset) {
|
|
$privs->{$p} = 1;
|
|
}
|
|
}
|
|
}
|
|
|
|
#print "priviledges $user $path = " . Dumper ($privs);
|
|
|
|
return $privs;
|
|
}
|
|
|
|
sub check_permissions {
|
|
my ($username, $path, $privlist) = @_;
|
|
|
|
$path = normalize_path($path);
|
|
my $usercfg = cfs_read_file('user.cfg');
|
|
my $perm = permission($usercfg, $username, $path);
|
|
|
|
foreach my $priv (split_list($privlist)) {
|
|
return undef if !$perm->{$priv};
|
|
};
|
|
|
|
return 1;
|
|
}
|
|
|
|
sub remove_vm_access {
|
|
my ($vmid) = @_;
|
|
my $delVMaccessFn = sub {
|
|
my $usercfg = cfs_read_file("user.cfg");
|
|
my $modified;
|
|
|
|
if (my $acl = $usercfg->{acl}->{"/vms/$vmid"}) {
|
|
delete $usercfg->{acl}->{"/vms/$vmid"};
|
|
$modified = 1;
|
|
}
|
|
if (my $pool = $usercfg->{vms}->{$vmid}) {
|
|
if (my $data = $usercfg->{pools}->{$pool}) {
|
|
delete $data->{vms}->{$vmid};
|
|
delete $usercfg->{vms}->{$vmid};
|
|
$modified = 1;
|
|
}
|
|
}
|
|
cfs_write_file("user.cfg", $usercfg) if $modified;
|
|
};
|
|
|
|
lock_user_config($delVMaccessFn, "access permissions cleanup for VM $vmid failed");
|
|
}
|
|
|
|
sub remove_storage_access {
|
|
my ($storeid) = @_;
|
|
|
|
my $deleteStorageAccessFn = sub {
|
|
my $usercfg = cfs_read_file("user.cfg");
|
|
my $modified;
|
|
|
|
if (my $storage = $usercfg->{acl}->{"/storage/$storeid"}) {
|
|
delete $usercfg->{acl}->{"/storage/$storeid"};
|
|
$modified = 1;
|
|
}
|
|
foreach my $pool (keys %{$usercfg->{pools}}) {
|
|
delete $usercfg->{pools}->{$pool}->{storage}->{$storeid};
|
|
$modified = 1;
|
|
}
|
|
cfs_write_file("user.cfg", $usercfg) if $modified;
|
|
};
|
|
|
|
lock_user_config($deleteStorageAccessFn,
|
|
"access permissions cleanup for storage $storeid failed");
|
|
}
|
|
|
|
sub add_vm_to_pool {
|
|
my ($vmid, $pool) = @_;
|
|
|
|
my $addVMtoPoolFn = sub {
|
|
my $usercfg = cfs_read_file("user.cfg");
|
|
if (my $data = $usercfg->{pools}->{$pool}) {
|
|
$data->{vms}->{$vmid} = 1;
|
|
$usercfg->{vms}->{$vmid} = $pool;
|
|
cfs_write_file("user.cfg", $usercfg);
|
|
}
|
|
};
|
|
|
|
lock_user_config($addVMtoPoolFn, "can't add VM $vmid to pool '$pool'");
|
|
}
|
|
|
|
sub remove_vm_from_pool {
|
|
my ($vmid) = @_;
|
|
|
|
my $delVMfromPoolFn = sub {
|
|
my $usercfg = cfs_read_file("user.cfg");
|
|
if (my $pool = $usercfg->{vms}->{$vmid}) {
|
|
if (my $data = $usercfg->{pools}->{$pool}) {
|
|
delete $data->{vms}->{$vmid};
|
|
delete $usercfg->{vms}->{$vmid};
|
|
cfs_write_file("user.cfg", $usercfg);
|
|
}
|
|
}
|
|
};
|
|
|
|
lock_user_config($delVMfromPoolFn, "pool cleanup for VM $vmid failed");
|
|
}
|
|
|
|
my $USER_CONTROLLED_TFA_TYPES = {
|
|
u2f => 1,
|
|
oath => 1,
|
|
};
|
|
|
|
# Delete an entry by setting $data=undef in which case $type is ignored.
|
|
# Otherwise both must be valid.
|
|
sub user_set_tfa {
|
|
my ($userid, $realm, $type, $data, $cached_usercfg, $cached_domaincfg) = @_;
|
|
|
|
if (defined($data) && !defined($type)) {
|
|
# This is an internal usage error and should not happen
|
|
die "cannot set tfa data without a type\n";
|
|
}
|
|
|
|
my $user_cfg = $cached_usercfg || cfs_read_file('user.cfg');
|
|
my $user = $user_cfg->{users}->{$userid}
|
|
or die "user '$userid' not found\n";
|
|
|
|
my $domain_cfg = $cached_domaincfg || cfs_read_file('domains.cfg');
|
|
my $realm_cfg = $domain_cfg->{ids}->{$realm};
|
|
die "auth domain '$realm' does not exist\n" if !$realm_cfg;
|
|
|
|
my $realm_tfa = $realm_cfg->{tfa};
|
|
if (defined($realm_tfa)) {
|
|
$realm_tfa = PVE::Auth::Plugin::parse_tfa_config($realm_tfa);
|
|
# If the realm has a TFA setting, we're only allowed to use that.
|
|
if (defined($data)) {
|
|
my $required_type = $realm_tfa->{type};
|
|
if ($required_type ne $type) {
|
|
die "realm '$realm' only allows TFA of type '$required_type\n";
|
|
}
|
|
|
|
if (defined($data->{config})) {
|
|
# XXX: Is it enough if the type matches? Or should the configuration also match?
|
|
}
|
|
|
|
# realm-configured tfa always uses a simple key list, so use the user.cfg
|
|
$user->{keys} = $data->{keys};
|
|
} else {
|
|
die "realm '$realm' does not allow removing the 2nd factor\n";
|
|
}
|
|
} else {
|
|
# Without a realm-enforced TFA setting the user can add a u2f or totp entry by themselves.
|
|
# The 'yubico' type requires yubico server settings, which have to be configured on the
|
|
# realm, so this is not supported here:
|
|
die "domain '$realm' does not support TFA type '$type'\n"
|
|
if defined($data) && !$USER_CONTROLLED_TFA_TYPES->{$type};
|
|
}
|
|
|
|
# Custom TFA entries are stored in priv/tfa.cfg as they can be more complet: u2f uses a
|
|
# public key and a key handle, TOTP requires the usual totp settings...
|
|
|
|
my $tfa_cfg = cfs_read_file('priv/tfa.cfg');
|
|
my $tfa = ($tfa_cfg->{users}->{$userid} //= {});
|
|
|
|
if (defined($data)) {
|
|
$tfa->{type} = $type;
|
|
$tfa->{data} = $data;
|
|
cfs_write_file('priv/tfa.cfg', $tfa_cfg);
|
|
|
|
$user->{keys} = "x!$type";
|
|
} else {
|
|
delete $tfa_cfg->{users}->{$userid};
|
|
cfs_write_file('priv/tfa.cfg', $tfa_cfg);
|
|
|
|
delete $user->{keys};
|
|
}
|
|
|
|
cfs_write_file('user.cfg', $user_cfg);
|
|
}
|
|
|
|
sub user_get_tfa {
|
|
my ($username, $realm) = @_;
|
|
|
|
my $user_cfg = cfs_read_file('user.cfg');
|
|
my $user = $user_cfg->{users}->{$username}
|
|
or die "user '$username' not found\n";
|
|
|
|
my $keys = $user->{keys};
|
|
|
|
my $domain_cfg = cfs_read_file('domains.cfg');
|
|
my $realm_cfg = $domain_cfg->{ids}->{$realm};
|
|
die "auth domain '$realm' does not exist\n" if !$realm_cfg;
|
|
|
|
my $realm_tfa = $realm_cfg->{tfa};
|
|
$realm_tfa = PVE::Auth::Plugin::parse_tfa_config($realm_tfa)
|
|
if $realm_tfa;
|
|
|
|
if (!$keys) {
|
|
return if !$realm_tfa;
|
|
die "missing required 2nd keys\n";
|
|
}
|
|
|
|
# new style config starts with an 'x' and optionally contains a !<type> suffix
|
|
if ($keys !~ /^x(?:!.*)?$/) {
|
|
# old style config, find the type via the realm
|
|
return if !$realm_tfa;
|
|
return ($realm_tfa->{type}, {
|
|
keys => $keys,
|
|
config => $realm_tfa,
|
|
});
|
|
} else {
|
|
my $tfa_cfg = cfs_read_file('priv/tfa.cfg');
|
|
my $tfa = $tfa_cfg->{users}->{$username};
|
|
return if !$tfa; # should not happen (user.cfg wasn't cleaned up?)
|
|
|
|
if ($realm_tfa) {
|
|
# if the realm has a tfa setting we need to verify the type:
|
|
die "auth domain '$realm' and user have mismatching TFA settings\n"
|
|
if $realm_tfa && $realm_tfa->{type} ne $tfa->{type};
|
|
}
|
|
|
|
return ($tfa->{type}, $tfa->{data});
|
|
}
|
|
}
|
|
|
|
# bash completion helpers
|
|
|
|
register_standard_option('userid-completed',
|
|
get_standard_option('userid', { completion => \&complete_username}),
|
|
);
|
|
|
|
sub complete_username {
|
|
|
|
my $user_cfg = cfs_read_file('user.cfg');
|
|
|
|
return [ keys %{$user_cfg->{users}} ];
|
|
}
|
|
|
|
sub complete_group {
|
|
|
|
my $user_cfg = cfs_read_file('user.cfg');
|
|
|
|
return [ keys %{$user_cfg->{groups}} ];
|
|
}
|
|
|
|
sub complete_realm {
|
|
|
|
my $domain_cfg = cfs_read_file('domains.cfg');
|
|
|
|
return [ keys %{$domain_cfg->{ids}} ];
|
|
}
|
|
|
|
1;
|