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[libvirt] Resubmission #2: [PATCH 1/3] sVirt AppArmor security driver



On Fri, 25 Sep 2009, Jamie Strandboge wrote:

> [PATCH 1]
> patch_1_reenable-nonfile-labels.patch (Updated based on prior feedback):
> When James Morris originally submitted his sVirt patches (as seen in
> libvirt 0.6.1), he did not require on disk labelling for
> virSecurityDomainRestoreImageLabel. A later commit[2] changed this
> behavior to assume on disk labelling, which halts implementations for
> path-based MAC systems such as AppArmor and TOMOYO where
> vm->def->seclabel is required to obtain the label. This patch simply
> adds the 'virDomainObjPtr vm' argument back to *RestoreImageLabel.

-- 
Jamie Strandboge             | http://www.canonical.com
diff -Naurp libvirt.orig/src/qemu/qemu_driver.c libvirt/src/qemu/qemu_driver.c
--- libvirt.orig/src/qemu/qemu_driver.c	2009-09-25 10:50:21.000000000 -0500
+++ libvirt/src/qemu/qemu_driver.c	2009-09-25 16:56:32.000000000 -0500
@@ -6309,7 +6309,7 @@ static int qemudDomainDetachDevice(virDo
          dev->data.disk->bus == VIR_DOMAIN_DISK_BUS_VIRTIO)) {
         ret = qemudDomainDetachPciDiskDevice(dom->conn, vm, dev);
         if (driver->securityDriver)
-            driver->securityDriver->domainRestoreSecurityImageLabel(dom->conn, dev->data.disk);
+            driver->securityDriver->domainRestoreSecurityImageLabel(dom->conn, vm, dev->data.disk);
         if (qemuDomainSetDeviceOwnership(dom->conn, driver, dev, 1) < 0)
             VIR_WARN0("Fail to restore disk device ownership");
     } else if (dev->type == VIR_DOMAIN_DEVICE_NET) {
diff -Naurp libvirt.orig/src/security/security_driver.h libvirt/src/security/security_driver.h
--- libvirt.orig/src/security/security_driver.h	2009-09-22 12:51:57.000000000 -0500
+++ libvirt/src/security/security_driver.h	2009-09-25 16:56:32.000000000 -0500
@@ -32,6 +32,7 @@ typedef virSecurityDriverStatus (*virSec
 typedef int (*virSecurityDriverOpen) (virConnectPtr conn,
                                       virSecurityDriverPtr drv);
 typedef int (*virSecurityDomainRestoreImageLabel) (virConnectPtr conn,
+                                                   virDomainObjPtr vm,
                                                    virDomainDiskDefPtr disk);
 typedef int (*virSecurityDomainSetImageLabel) (virConnectPtr conn,
                                                virDomainObjPtr vm,
diff -Naurp libvirt.orig/src/security/security_selinux.c libvirt/src/security/security_selinux.c
--- libvirt.orig/src/security/security_selinux.c	2009-09-22 12:51:57.000000000 -0500
+++ libvirt/src/security/security_selinux.c	2009-09-25 16:56:32.000000000 -0500
@@ -377,6 +377,7 @@ err:
 
 static int
 SELinuxRestoreSecurityImageLabel(virConnectPtr conn,
+                                 virDomainObjPtr vm ATTRIBUTE_UNUSED,
                                  virDomainDiskDefPtr disk)
 {
     /* Don't restore labels on readoly/shared disks, because
@@ -581,7 +582,8 @@ SELinuxRestoreSecurityLabel(virConnectPt
                 rc = -1;
         }
         for (i = 0 ; i < vm->def->ndisks ; i++) {
-            if (SELinuxRestoreSecurityImageLabel(conn, vm->def->disks[i]) < 0)
+            if (SELinuxRestoreSecurityImageLabel(conn, vm,
+                                                 vm->def->disks[i]) < 0)
                 rc = -1;
         }
         VIR_FREE(secdef->model);

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