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From: Dominik Csapak <d.csapak@proxmox.com>
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Subject: [pve-devel] [PATCH qemu-server v2 08/13] PVE/API2/Qemu: add
permission checks for mapped pci devices
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Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>
---
PVE/API2/Qemu.pm | 54 ++++++++++++++++++++++++++++++++++++++++++++++--
1 file changed, 52 insertions(+), 2 deletions(-)
diff --git a/PVE/API2/Qemu.pm b/PVE/API2/Qemu.pm
index 08e5104..f22c601 100644
--- a/PVE/API2/Qemu.pm
+++ b/PVE/API2/Qemu.pm
@@ -26,6 +26,7 @@ use PVE::QemuServer::Drive;
use PVE::QemuServer::ImportDisk;
use PVE::QemuServer::Monitor qw(mon_cmd);
use PVE::QemuServer::Machine;
+use PVE::QemuServer::PCI;
use PVE::QemuServer::USB qw(parse_usb_device);
use PVE::QemuMigrate;
use PVE::RPCEnvironment;
@@ -584,6 +585,26 @@ my $check_vm_create_usb_perm = sub {
return 1;
};
+my $check_vm_create_hostpci_perm = sub {
+ my ($rpcenv, $authuser, $vmid, $pool, $param) = @_;
+
+ return 1 if $authuser eq 'root@pam';
+
+ foreach my $opt (keys %{$param}) {
+ next if $opt !~ m/^hostpci\d+$/;
+
+ my $device = PVE::JSONSchema::parse_property_string('pve-qm-hostpci', $param->{$opt});
+ if ($device->{host} !~ m/:/) {
+ $rpcenv->check_full($authuser, "/hardware/$device->{host}", ['Hardware.Use']);
+ $rpcenv->check_vm_perm($authuser, $vmid, $pool, ['VM.Config.HWType']);
+ } else {
+ die "only root can set '$opt' config for non-mapped devices\n";
+ }
+ }
+
+ return 1;
+};
+
my $check_vm_modify_config_perm = sub {
my ($rpcenv, $authuser, $vmid, $pool, $key_list) = @_;
@@ -594,7 +615,7 @@ my $check_vm_modify_config_perm = sub {
# else, as there the permission can be value dependend
next if PVE::QemuServer::is_valid_drivename($opt);
next if $opt eq 'cdrom';
- next if $opt =~ m/^(?:unused|serial|usb)\d+$/;
+ next if $opt =~ m/^(?:unused|serial|usb|hostpci)\d+$/;
if ($cpuoptions->{$opt} || $opt =~ m/^numa\d+$/) {
@@ -622,7 +643,7 @@ my $check_vm_modify_config_perm = sub {
# also needs privileges on the storage, that will be checked later
$rpcenv->check_vm_perm($authuser, $vmid, $pool, ['VM.Config.Disk', 'VM.PowerMgmt' ]);
} else {
- # catches hostpci\d+, args, lock, etc.
+ # catches args, lock, etc.
# new options will be checked here
die "only root can set '$opt' config\n";
}
@@ -857,6 +878,7 @@ __PACKAGE__->register_method({
&$check_vm_create_serial_perm($rpcenv, $authuser, $vmid, $pool, $param);
&$check_vm_create_usb_perm($rpcenv, $authuser, $vmid, $pool, $param);
+ &$check_vm_create_hostpci_perm($rpcenv, $authuser, $vmid, $pool, $param);
&$check_cpu_model_access($rpcenv, $authuser, $param);
@@ -1570,6 +1592,16 @@ my $update_vm_api = sub {
}
PVE::QemuConfig->add_to_pending_delete($conf, $opt, $force);
PVE::QemuConfig->write_config($vmid, $conf);
+ } elsif ($opt =~ m/^hostpci\d+$/) {
+ my $olddevice = PVE::JSONSchema::parse_property_string('pve-qm-hostpci', $val);
+ if ($olddevice->{host} !~ m/:/) {
+ $rpcenv->check_full($authuser, "/hardware/$olddevice->{host}", ['Hardware.Use']);
+ $rpcenv->check_vm_perm($authuser, $vmid, undef, ['VM.Config.HWType']);
+ } elsif ($authuser ne 'root@pam') {
+ die "only root can set '$opt' config for non-mapped devices\n";
+ }
+ PVE::QemuConfig->add_to_pending_delete($conf, $opt, $force);
+ PVE::QemuConfig->write_config($vmid, $conf);
} else {
PVE::QemuConfig->add_to_pending_delete($conf, $opt, $force);
PVE::QemuConfig->write_config($vmid, $conf);
@@ -1652,6 +1684,24 @@ my $update_vm_api = sub {
} elsif ($authuser ne 'root@pam') {
die "only root can modify '$opt' config for real devices\n";
}
+
+ $conf->{pending}->{$opt} = $param->{$opt};
+ } elsif ($opt =~ m/^hostpci\d+$/) {
+ my $olddevice;
+ if (defined($conf->{$opt})) {
+ $olddevice = PVE::JSONSchema::parse_property_string('pve-qm-hostpci', $conf->{$opt});
+ }
+ my $newdevice = PVE::JSONSchema::parse_property_string('pve-qm-hostpci', $param->{$opt});
+ if ((!defined($olddevice) || $olddevice->{host} !~ m/:/) && $newdevice->{host} !~ m/:/) {
+ if (defined($olddevice)) {
+ $rpcenv->check_full($authuser, "/hardware/$olddevice->{host}", ['Hardware.Use']);
+ }
+ $rpcenv->check_full($authuser, "/hardware/$newdevice->{host}", ['Hardware.Use']);
+ $rpcenv->check_vm_perm($authuser, $vmid, undef, ['VM.Config.HWType']);
+ } elsif ($authuser ne 'root@pam') {
+ die "only root can set '$opt' config for non-mapped devices\n";
+ }
+ PVE::QemuServer::PCI::parse_hostpci($param->{$opt});
$conf->{pending}->{$opt} = $param->{$opt};
} else {
$conf->{pending}->{$opt} = $param->{$opt};
--
2.30.2