use Crypt::OpenSSL::Random;
use Crypt::OpenSSL::RSA;
use Net::SSLeay;
+use Net::IP;
use MIME::Base64;
use Digest::SHA;
-use Digest::HMAC_SHA1;
-use URI::Escape;
-use LWP::UserAgent;
+
+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;
use PVE::Auth::PVE;
use PVE::Auth::PAM;
-use Data::Dumper; # fixme: remove
-
# load and initialize all plugins
PVE::Auth::AD->register();
Crypt::OpenSSL::RSA->import_random_seed();
-cfs_register_file('user.cfg',
- \&parse_user_config,
+cfs_register_file('user.cfg',
+ \&parse_user_config,
\&write_user_config);
}
my $pve_auth_pub_key;
-sub get_pubkey {
+sub get_pubkey {
return $pve_auth_pub_key if $pve_auth_pub_key;
- my $input = PVE::Tools::file_get_contents($authpubkeyfn);
+ my $input = PVE::Tools::file_get_contents($authpubkeyfn);
$pve_auth_pub_key = Crypt::OpenSSL::RSA->new_public_key($input);
my $csrf_prevention_secret;
my $get_csrfr_secret = sub {
if (!$csrf_prevention_secret) {
- my $input = PVE::Tools::file_get_contents($pve_www_key_fn);
+ 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 $timestamp = sprintf("%08X", time());
-
- my $digest = Digest::SHA::sha1_base64("$timestamp:$username", &$get_csrfr_secret());
+ my $secret = &$get_csrfr_secret();
- return "$timestamp:$digest";
+ return PVE::Ticket::assemble_csrf_prevention_token ($secret, $username);
}
sub verify_csrf_prevention_token {
my ($username, $token, $noerr) = @_;
- if ($token =~ m/^([A-Z0-9]{8}):(\S+)$/) {
- my $sig = $2;
- my $timestamp = $1;
- my $ttime = hex($timestamp);
+ my $secret = &$get_csrfr_secret();
- my $digest = Digest::SHA::sha1_base64("$timestamp:$username", &$get_csrfr_secret());
-
- my $age = time() - $ttime;
- return if ($digest eq $sig) && ($age > -300) && ($age < $ticket_lifetime);
- }
-
- die "Permission denied - invalid csrf token\n" if !$noerr;
-
- return undef;
+ return PVE::Ticket::verify_csrf_prevention_token(
+ $secret, $username, $token, -300, $ticket_lifetime, $noerr);
}
my $pve_auth_priv_key;
return $pve_auth_priv_key if $pve_auth_priv_key;
- my $input = PVE::Tools::file_get_contents($authprivkeyfn);
+ my $input = PVE::Tools::file_get_contents($authprivkeyfn);
$pve_auth_priv_key = Crypt::OpenSSL::RSA->new_private_key($input);
my $rsa_priv = get_privkey();
- my $timestamp = sprintf("%08X", time());
-
- my $plain = "PVE:$username:$timestamp";
-
- my $ticket = $plain . "::" . encode_base64($rsa_priv->sign($plain), '');
-
- return $ticket;
+ return PVE::Ticket::assemble_rsa_ticket($rsa_priv, 'PVE', $username);
}
sub verify_ticket {
my ($ticket, $noerr) = @_;
- if ($ticket && $ticket =~ m/^(PVE:\S+)::([^:\s]+)$/) {
- my $plain = $1;
- my $sig = $2;
+ my $rsa_pub = get_pubkey();
- my $rsa_pub = get_pubkey();
- if ($rsa_pub->verify($plain, decode_base64($sig))) {
- if ($plain =~ m/^PVE:(\S+):([A-Z0-9]{8})$/) {
- my $username = $1;
- my $timestamp = $2;
- my $ttime = hex($timestamp);
+ my ($username, $age) = PVE::Ticket::verify_rsa_ticket(
+ $rsa_pub, 'PVE', $ticket, undef, -300, $ticket_lifetime, $noerr);
- my $age = time() - $ttime;
+ return undef if $noerr && !defined($username);
- if (PVE::Auth::Plugin::verify_username($username, 1) &&
- ($age > -300) && ($age < $ticket_lifetime)) {
- return wantarray ? ($username, $age) : $username;
- }
- }
- }
- }
-
- die "permission denied - invalid ticket\n" if !$noerr;
+ return undef if !PVE::Auth::Plugin::verify_username($username, $noerr);
- return undef;
+ return wantarray ? ($username, $age) : $username;
}
# VNC tickets
my $rsa_priv = get_privkey();
- my $timestamp = sprintf("%08X", time());
-
- my $plain = "PVEVNC:$timestamp";
-
$path = normalize_path($path);
- my $full = "$plain:$username:$path";
-
- my $ticket = $plain . "::" . encode_base64($rsa_priv->sign($full), '');
+ my $secret_data = "$username:$path";
- return $ticket;
+ return PVE::Ticket::assemble_rsa_ticket(
+ $rsa_priv, 'PVEVNC', undef, $secret_data);
}
sub verify_vnc_ticket {
my ($ticket, $username, $path, $noerr) = @_;
- if ($ticket && $ticket =~ m/^(PVEVNC:\S+)::([^:\s]+)$/) {
- my $plain = $1;
- my $sig = $2;
- my $full = "$plain:$username:$path";
-
- my $rsa_pub = get_pubkey();
- # Note: sign only match if $username and $path is correct
- if ($rsa_pub->verify($full, decode_base64($sig))) {
- if ($plain =~ m/^PVEVNC:([A-Z0-9]{8})$/) {
- my $ttime = hex($1);
-
- my $age = time() - $ttime;
-
- if (($age > -20) && ($age < 40)) {
- return 1;
- }
- }
- }
- }
+ my $rsa_pub = get_pubkey();
- die "permission denied - invalid vnc ticket\n" if !$noerr;
+ my $secret_data = "$username:$path";
- return undef;
+ return PVE::Ticket::verify_rsa_ticket(
+ $rsa_pub, 'PVEVNC', $ticket, $secret_data, -20, 40, $noerr);
}
sub assemble_spice_ticket {
my ($username, $vmid, $node) = @_;
- my $rsa_priv = get_privkey();
-
- my $timestamp = sprintf("%08x", time());
-
- my $randomstr = "PVESPICE:$timestamp:$vmid:$node:" . rand(10);
-
- # this should be uses as one-time password
- # max length is 60 chars (spice limit)
- # we pass this to qemu set_pasword and limit lifetime there
- # keep this secret
- my $ticket = Digest::SHA::sha1_hex($rsa_priv->sign($randomstr));
-
- # Note: spice proxy connects with HTTP, so $proxyticket is exposed to public
- # we use a signature/timestamp to make sure nobody can fake such ticket
- # an attacker can use this $proxyticket, but he will fail because $ticket is
- # private.
- # The proxy need to be able to extract/verify the ticket
- # Note: data needs to be lower case only, because virt-viewer needs that
- # Note: RSA signature are too long (>=256 charaters) and makes problems with remote-viewer
-
my $secret = &$get_csrfr_secret();
- my $plain = "pvespiceproxy:$timestamp:$vmid:" . lc($node);
-
- # produces 40 characters
- my $sig = unpack("H*", Digest::SHA::sha1($plain, &$get_csrfr_secret()));
-
- #my $sig = unpack("H*", $rsa_priv->sign($plain)); # this produce too long strings (512)
- my $proxyticket = $plain . "::" . $sig;
-
- return ($ticket, $proxyticket);
+ return PVE::Ticket::assemble_spice_ticket(
+ $secret, $username, $vmid, $node);
}
+
sub verify_spice_connect_url {
my ($connect_str) = @_;
- # Note: we pass the spice ticket as 'host', so the
- # spice viewer connects with "$ticket:$port"
-
- return undef if !$connect_str;
-
- if ($connect_str =~m/^pvespiceproxy:([a-z0-9]{8}):(\d+):(\S+)::([a-z0-9]{40}):(\d+)$/) {
- my ($timestamp, $vmid, $node, $hexsig, $port) = ($1, $2, $3, $4, $5, $6);
- my $ttime = hex($timestamp);
- my $age = time() - $ttime;
-
- # use very limited lifetime - is this enough?
- return undef if !(($age > -20) && ($age < 40));
-
- my $plain = "pvespiceproxy:$timestamp:$vmid:$node";
- my $sig = unpack("H*", Digest::SHA::sha1($plain, &$get_csrfr_secret()));
-
- if ($sig eq $hexsig) {
- return ($vmid, $node, $port);
- }
- }
+ my $secret = &$get_csrfr_secret();
- return undef;
+ return PVE::Ticket::verify_spice_connect_url($secret, $connect_str);
}
sub read_x509_subject_spice {
# 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;
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 break tls hostname verification, so we need to use 'host-subject'
+ host => $proxyticket, # this breaks tls hostname verification, so we need to use 'host-subject'
proxy => "http://$proxy:3128",
'tls-port' => $port,
'host-subject' => $subject,
$username = PVE::Auth::Plugin::verify_username($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;
}
return 1 if $data->{enable};
- return 1 if $username eq 'root@pam'; # root is always enabled
-
die "user '$username' is disabled\n" if !$noerr;
-
+
return undef;
}
my $type = $tfa_cfg->{type};
- die "missing one time password for Factor-two authentication '$type'\n" if !$otp;
+ die "missing one time password for two-factor authentication '$type'\n" if !$otp;
# fixme: proxy support?
my $proxy;
if ($type eq 'yubico') {
my $keys = $usercfg->{users}->{$username}->{keys};
- yubico_verify_otp($otp, $keys, $tfa_cfg->{url}, $tfa_cfg->{id}, $tfa_cfg->{key}, $proxy);
+ PVE::OTP::yubico_verify_otp($otp, $keys, $tfa_cfg->{url},
+ $tfa_cfg->{id}, $tfa_cfg->{key}, $proxy);
} elsif ($type eq 'oath') {
my $keys = $usercfg->{users}->{$username}->{keys};
- oath_verify_otp($otp, $keys, $tfa_cfg->{step}, $tfa_cfg->{digits});
+ PVE::OTP::oath_verify_otp($otp, $keys, $tfa_cfg->{step}, $tfa_cfg->{digits});
} else {
die "unknown tfa type '$type'\n";
}
}
# password should be utf8 encoded
-# Note: some pluging delay/sleep if auth fails
+# 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 $domain_cfg = cfs_read_file('domains.cfg');
my $cfg = $domain_cfg->{ids}->{$realm};
- die "auth domain '$realm' does not exists\n" if !$cfg;
+ 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}->{$username})
+ delete ($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}->{$username})
+ delete ($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}->{$group})
+ delete ($usercfg->{acl}->{$acl}->{groups}->{$group})
if $usercfg->{acl}->{$acl}->{groups}->{$group};
}
}
sub delete_pool_acl {
-
my ($pool, $usercfg) = @_;
my $path = "/pool/$pool";
- foreach my $aclpath (keys %{$usercfg->{acl}}) {
- delete ($usercfg->{acl}->{$aclpath})
- if $usercfg->{acl}->{$aclpath} eq 'path';
- }
+ 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 normak user/customer 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',
+ 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.Config.Options', # covers all other things
+ 'VM.Allocate',
+ 'VM.Clone',
'VM.Migrate',
- 'VM.Monitor',
- 'VM.Snapshot',
+ 'VM.Monitor',
+ 'VM.Snapshot',
],
user => [
'VM.Config.CDROM', # change CDROM media
- 'VM.Console',
+ 'VM.Console',
'VM.Backup',
'VM.PowerMgmt',
],
- audit => [
+ audit => [
'VM.Audit',
],
},
Sys => {
root => [
- 'Sys.PowerMgmt',
+ 'Sys.PowerMgmt',
'Sys.Modify', # edit/change node settings
],
admin => [
'Permissions.Modify',
- 'Sys.Console',
+ 'Sys.Console',
'Sys.Syslog',
],
user => [],
admin => [
'User.Modify',
'Group.Allocate', # edit/change group settings
- 'Realm.AllocateUser',
+ 'Realm.AllocateUser',
],
user => [],
audit => [],
my $valid_privs = {};
my $special_roles = {
- 'NoAccess' => {}, # no priviledges
- 'Administrator' => $valid_privs, # all priviledges
+ '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}},
+ foreach my $p (@{$cd->{root}}, @{$cd->{admin}},
@{$cd->{user}}, @{$cd->{audit}}) {
$valid_privs->{$p} = 1;
}
create_roles();
+sub role_is_special {
+ my ($role) = @_;
+ return exists $special_roles->{$role};
+}
+
sub add_role_privs {
my ($role, $usercfg, $privs) = @_;
if (defined ($valid_privs->{$priv})) {
$usercfg->{roles}->{$role}->{$priv} = 1;
} else {
- die "invalid priviledge '$priv'\n";
- }
- }
+ die "invalid privilege '$priv'\n";
+ }
+ }
}
sub normalize_path {
return undef if $path !~ m|^[[:alnum:]\.\-\_\/]+$|;
return $path;
-}
+}
PVE::JSONSchema::register_format('pve-groupid', \&verify_groupname);
return undef;
}
-
+
return $groupname;
}
return undef;
}
-
+
return $rolename;
}
return undef;
}
-
+
return $poolname;
}
my ($priv, $noerr) = @_;
if (!$valid_privs->{$priv}) {
- die "invalid priviledge '$priv'\n" if !$noerr;
+ die "invalid privilege '$priv'\n" if !$noerr;
return undef;
}
-
+
return $priv;
}
$cfg->{roles}->{$r} = $special_roles->{$r};
}
- # fixme: remove 'root' group (not required)?
-
- # add root user
- $cfg->{users}->{'root@pam'}->{enable} = 1;
+ # add root user if not exists
+ if (!$cfg->{users}->{'root@pam'}) {
+ $cfg->{users}->{'root@pam'}->{enable} = 1;
+ }
}
sub parse_user_config {
userconfig_force_defaults($cfg);
- while ($raw && $raw =~ s/^(.*?)(\n|$)//) {
+ $raw = '' if !defined($raw);
+ while ($raw =~ /^\s*(.+?)\s*$/gm) {
my $line = $1;
-
- next if $line =~ m/^\s*$/; # skip empty lines
-
my @data;
foreach my $d (split (/:/, $line)) {
- $d =~ s/^\s+//;
+ $d =~ s/^\s+//;
$d =~ s/\s+$//;
push @data, $d
}
$cfg->{users}->{$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}->{keys} = $keys if $keys;
#$cfg->{users}->{$user}->{groups}->{$group} = 1;
#$cfg->{groups}->{$group}->{$user} = 1;
next;
}
- if ($cfg->{users}->{$user}) { # user exists
+ if ($cfg->{users}->{$user}) { # user exists
$cfg->{users}->{$user}->{groups}->{$group} = 1;
$cfg->{groups}->{$group}->{users}->{$user} = 1;
} else {
} elsif ($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;
$cfg->{roles}->{$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}->{$group}) { # group exists
+ if ($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}->{$ug}) { # user exists
+ if ($cfg->{users}->{$ug}) { # user exists
$cfg->{acl}->{$path}->{users}->{$ug}->{$role} = $propagate;
} else {
warn "user config - ignore invalid acl member '$ug'\n";
}
$cfg->{pools}->{$pool}->{vms}->{$vmid} = 1;
-
+
# record vmid ==> pool relation
$cfg->{vms}->{$vmid} = $pool;
}
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}) : '';
+ my $comment = $d->{comment} ? PVE::Tools::encode_text($d->{comment}) : '';
$data .= "group:$group:$list:$comment:\n";
}
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}) : '';
+ my $comment = $d->{comment} ? PVE::Tools::encode_text($d->{comment}) : '';
$data .= "pool:$pool:$comment:$vmlist:$storelist:\n";
}
}
foreach my $user (keys %{$d->{users}}) {
- # no need to save, because root is always 'Administartor'
- next if $user eq 'root@pam';
+ # no need to save, because root is always 'Administrator'
+ next if $user eq 'root@pam';
my $l0 = '';
my $l1 = '';
sub roles {
my ($cfg, $user, $path) = @_;
- # NOTE: we do not consider pools here.
+ # NOTE: we do not consider pools here.
# You need to use $rpcenv->roles() instead if you want that.
return 'Administrator' if $user eq 'root@pam'; # root can do anything
return ('NoAccess') if defined ($perm->{NoAccess});
#return () if defined ($perm->{NoAccess});
-
+
#print "permission $user $path = " . Dumper ($perm);
my @ra = keys %$perm;
return @ra;
}
-
+
sub permission {
my ($cfg, $user, $path) = @_;
return {} if !$user;
my @ra = roles($cfg, $user, $path);
-
+
my $privs = {};
foreach my $role (@ra) {
return 1;
}
+sub remove_vm_access {
+ my ($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, $pool) = @_;
sub remove_vm_from_pool {
my ($vmid) = @_;
-
+
my $delVMfromPoolFn = sub {
my $usercfg = cfs_read_file("user.cfg");
if (my $pool = $usercfg->{vms}->{$vmid}) {
lock_user_config($delVMfromPoolFn, "pool cleanup for VM $vmid failed");
}
-# experimental code for yubico OTP verification
+# bash completion helpers
-sub yubico_compute_param_sig {
- my ($param, $api_key) = @_;
-
- my $paramstr = '';
- foreach my $key (sort keys %$param) {
- $paramstr .= '&' if $paramstr;
- $paramstr .= "$key=$param->{$key}";
- }
+sub complete_username {
- my $sig = uri_escape(encode_base64(Digest::HMAC_SHA1::hmac_sha1($paramstr, decode_base64($api_key || '')), ''));
+ my $user_cfg = cfs_read_file('user.cfg');
- return ($paramstr, $sig);
+ return [ keys %{$user_cfg->{users}} ];
}
-sub yubico_verify_otp {
- my ($otp, $keys, $url, $api_id, $api_key, $proxy) = @_;
+sub complete_group {
- die "yubico: missing password\n" if !defined($otp);
- die "yubico: missing API ID\n" if !defined($api_id);
- die "yubico: missing API KEY\n" if !defined($api_key);
- die "yubico: no associated yubico keys\n" if $keys =~ m/^\s+$/;
+ my $user_cfg = cfs_read_file('user.cfg');
- die "yubico: wrong OTP lenght\n" if (length($otp) < 32) || (length($otp) > 48);
-
- # we always use http, because https cert verification always make problem, and
- # some proxies does not work with https.
-
- $url = 'http://api2.yubico.com/wsapi/2.0/verify' if !defined($url);
-
- my $params = {
- nonce => Digest::HMAC_SHA1::hmac_sha1_hex(time(), rand()),
- id => $api_id,
- otp => uri_escape($otp),
- timestamp => 1,
- };
-
- my ($paramstr, $sig) = yubico_compute_param_sig($params, $api_key);
-
- $paramstr .= "&h=$sig" if $api_key;
-
- my $req = HTTP::Request->new('GET' => "$url?$paramstr");
-
- my $ua = LWP::UserAgent->new(protocols_allowed => ['http'], timeout => 30);
-
- if ($proxy) {
- $ua->proxy(['http'], $proxy);
- } else {
- $ua->env_proxy;
- }
-
- my $response = $ua->request($req);
- my $code = $response->code;
-
- if ($code != 200) {
- my $msg = $response->message || 'unknown';
- die "Invalid response from server: $code $msg\n";
- }
-
- my $raw = $response->decoded_content;
-
- my $result = {};
- foreach my $kvpair (split(/\n/, $raw)) {
- chomp $kvpair;
- if($kvpair =~ /^\S+=/) {
- my ($k, $v) = split(/=/, $kvpair, 2);
- $v =~ s/\s//g;
- $result->{$k} = $v;
- }
- }
-
- my $rsig = $result->{h};
- delete $result->{h};
-
- if ($api_key) {
- my ($datastr, $vsig) = yubico_compute_param_sig($result, $api_key);
- $vsig = uri_unescape($vsig);
- die "yubico: result signature verification failed\n" if $rsig ne $vsig;
- }
-
- die "yubico auth failed: $result->{status}\n" if $result->{status} ne 'OK';
-
- my $publicid = $result->{publicid} = substr(lc($result->{otp}), 0, 12);
-
- my $found;
- foreach my $k (PVE::Tools::split_list($keys)) {
- if ($k eq $publicid) {
- $found = 1;
- last;
- }
- }
-
- die "yubico auth failed: key does not belong to user\n" if !$found;
-
- return $result;
+ return [ keys %{$user_cfg->{groups}} ];
}
-sub oath_verify_otp {
- my ($otp, $keys, $step, $digits) = @_;
+sub complete_realm {
- die "oath: missing password\n" if !defined($otp);
- die "oath: no associated oath keys\n" if $keys =~ m/^\s+$/;
-
- $step = 30 if !$step;
- $digits = 6 if !$digits;
-
- my $found;
-
- my $parser = sub {
- my $line = shift;
-
- if ($line =~ m/^\d{6}$/) {
- $found = 1 if $otp eq $line;
- }
- };
-
- foreach my $k (PVE::Tools::split_list($keys)) {
- # Note: we generate 3 values to allow small time drift
- my $now = localtime(time() - $step);
- my $cmd = ['oathtool', '--totp', '--digits', $digits, '-N', $now, '-s', $step, '-w', '2', '-b', $k];
- eval { run_command($cmd, outfunc => $parser, errfunc => sub {}); };
- last if $found;
- }
+ my $domain_cfg = cfs_read_file('domains.cfg');
- die "oath auth failed\n" if !$found;
+ return [ keys %{$domain_cfg->{ids}} ];
}
1;
projects / pve-access-control.git / blobdiff