[libvirt] [PATCH v4 7/9] security: Include vhost-scsi in security labels

Eric Farman farman at linux.vnet.ibm.com
Tue Nov 22 03:58:21 UTC 2016


Ensure that the vhost-scsi wwpn information is passed to the
different security policies.

Signed-off-by: Eric Farman <farman at linux.vnet.ibm.com>
---
 src/security/security_apparmor.c | 20 ++++++++++++++++-
 src/security/security_dac.c      | 46 ++++++++++++++++++++++++++++++++++++++--
 src/security/security_selinux.c  | 43 +++++++++++++++++++++++++++++++++++--
 3 files changed, 104 insertions(+), 5 deletions(-)

diff --git a/src/security/security_apparmor.c b/src/security/security_apparmor.c
index 19085ec..2c33abb 100644
--- a/src/security/security_apparmor.c
+++ b/src/security/security_apparmor.c
@@ -44,6 +44,7 @@
 #include "viruuid.h"
 #include "virpci.h"
 #include "virusb.h"
+#include "virscsivhost.h"
 #include "virfile.h"
 #include "configmake.h"
 #include "vircommand.h"
@@ -357,6 +358,13 @@ AppArmorSetSecuritySCSILabel(virSCSIDevicePtr dev ATTRIBUTE_UNUSED,
     return AppArmorSetSecurityHostdevLabelHelper(file, opaque);
 }
 
+static int
+AppArmorSetSecurityHostLabel(virSCSIVHostDevicePtr dev ATTRIBUTE_UNUSED,
+                             const char *file, void *opaque)
+{
+    return AppArmorSetSecurityHostdevLabelHelper(file, opaque);
+}
+
 /* Called on libvirtd startup to see if AppArmor is available */
 static int
 AppArmorSecurityManagerProbe(const char *virtDriver ATTRIBUTE_UNUSED)
@@ -831,6 +839,7 @@ AppArmorSetSecurityHostdevLabel(virSecurityManagerPtr mgr,
     virDomainHostdevSubsysUSBPtr usbsrc = &dev->source.subsys.u.usb;
     virDomainHostdevSubsysPCIPtr pcisrc = &dev->source.subsys.u.pci;
     virDomainHostdevSubsysSCSIPtr scsisrc = &dev->source.subsys.u.scsi;
+    virDomainHostdevSubsysSCSIVHostPtr hostsrc = &dev->source.subsys.u.scsi_host;
 
     if (!secdef)
         return -1;
@@ -910,7 +919,16 @@ AppArmorSetSecurityHostdevLabel(virSecurityManagerPtr mgr,
     }
 
     case VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_SCSI_HOST: {
-        /* Fall through for now */
+        virSCSIVHostDevicePtr host = virSCSIVHostDeviceNew(hostsrc->wwpn);
+
+        if (!host)
+            goto done;
+
+        ret = virSCSIVHostDeviceFileIterate(host,
+                                            AppArmorSetSecurityHostLabel,
+                                            ptr);
+        virSCSIVHostDeviceFree(host);
+        break;
     }
 
     case VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_LAST:
diff --git a/src/security/security_dac.c b/src/security/security_dac.c
index 2803962..649219e 100644
--- a/src/security/security_dac.c
+++ b/src/security/security_dac.c
@@ -36,6 +36,7 @@
 #include "virpci.h"
 #include "virusb.h"
 #include "virscsi.h"
+#include "virscsivhost.h"
 #include "virstoragefile.h"
 #include "virstring.h"
 #include "virutil.h"
@@ -582,6 +583,15 @@ virSecurityDACSetSCSILabel(virSCSIDevicePtr dev ATTRIBUTE_UNUSED,
 
 
 static int
+virSecurityDACSetHostLabel(virSCSIVHostDevicePtr dev ATTRIBUTE_UNUSED,
+                           const char *file,
+                           void *opaque)
+{
+    return virSecurityDACSetHostdevLabelHelper(file, opaque);
+}
+
+
+static int
 virSecurityDACSetHostdevLabel(virSecurityManagerPtr mgr,
                               virDomainDefPtr def,
                               virDomainHostdevDefPtr dev,
@@ -592,6 +602,7 @@ virSecurityDACSetHostdevLabel(virSecurityManagerPtr mgr,
     virDomainHostdevSubsysUSBPtr usbsrc = &dev->source.subsys.u.usb;
     virDomainHostdevSubsysPCIPtr pcisrc = &dev->source.subsys.u.pci;
     virDomainHostdevSubsysSCSIPtr scsisrc = &dev->source.subsys.u.scsi;
+    virDomainHostdevSubsysSCSIVHostPtr hostsrc = &dev->source.subsys.u.scsi_host;
     int ret = -1;
 
     if (!priv->dynamicOwnership)
@@ -677,7 +688,16 @@ virSecurityDACSetHostdevLabel(virSecurityManagerPtr mgr,
     }
 
     case VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_SCSI_HOST: {
-        /* Fall through for now */
+        virSCSIVHostDevicePtr host = virSCSIVHostDeviceNew(hostsrc->wwpn);
+
+        if (!host)
+            goto done;
+
+        ret = virSCSIVHostDeviceFileIterate(host,
+                                            virSecurityDACSetHostLabel,
+                                            &cbdata);
+        virSCSIVHostDeviceFree(host);
+        break;
     }
 
     case VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_LAST:
@@ -724,6 +744,17 @@ virSecurityDACRestoreSCSILabel(virSCSIDevicePtr dev ATTRIBUTE_UNUSED,
 
 
 static int
+virSecurityDACRestoreHostLabel(virSCSIVHostDevicePtr dev ATTRIBUTE_UNUSED,
+                               const char *file,
+                               void *opaque)
+{
+    virSecurityManagerPtr mgr = opaque;
+    virSecurityDACDataPtr priv = virSecurityManagerGetPrivateData(mgr);
+    return virSecurityDACRestoreFileLabel(priv, file);
+}
+
+
+static int
 virSecurityDACRestoreHostdevLabel(virSecurityManagerPtr mgr,
                                   virDomainDefPtr def,
                                   virDomainHostdevDefPtr dev,
@@ -735,6 +766,7 @@ virSecurityDACRestoreHostdevLabel(virSecurityManagerPtr mgr,
     virDomainHostdevSubsysUSBPtr usbsrc = &dev->source.subsys.u.usb;
     virDomainHostdevSubsysPCIPtr pcisrc = &dev->source.subsys.u.pci;
     virDomainHostdevSubsysSCSIPtr scsisrc = &dev->source.subsys.u.scsi;
+    virDomainHostdevSubsysSCSIVHostPtr hostsrc = &dev->source.subsys.u.scsi_host;
     int ret = -1;
 
     secdef = virDomainDefGetSecurityLabelDef(def, SECURITY_DAC_NAME);
@@ -810,7 +842,17 @@ virSecurityDACRestoreHostdevLabel(virSecurityManagerPtr mgr,
     }
 
     case VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_SCSI_HOST: {
-        /* Fall through for now */
+        virSCSIVHostDevicePtr host = virSCSIVHostDeviceNew(hostsrc->wwpn);
+
+        if (!host)
+            goto done;
+
+        ret = virSCSIVHostDeviceFileIterate(host,
+                                            virSecurityDACRestoreHostLabel,
+                                            mgr);
+        virSCSIVHostDeviceFree(host);
+
+        break;
     }
 
     case VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_LAST:
diff --git a/src/security/security_selinux.c b/src/security/security_selinux.c
index 9870b41..1776a63 100644
--- a/src/security/security_selinux.c
+++ b/src/security/security_selinux.c
@@ -39,6 +39,7 @@
 #include "virpci.h"
 #include "virusb.h"
 #include "virscsi.h"
+#include "virscsivhost.h"
 #include "virstoragefile.h"
 #include "virfile.h"
 #include "virhash.h"
@@ -1416,6 +1417,13 @@ virSecuritySELinuxSetSCSILabel(virSCSIDevicePtr dev,
 }
 
 static int
+virSecuritySELinuxSetHostLabel(virSCSIVHostDevicePtr dev ATTRIBUTE_UNUSED,
+                               const char *file, void *opaque)
+{
+    return virSecuritySELinuxSetHostdevLabelHelper(file, opaque);
+}
+
+static int
 virSecuritySELinuxSetHostdevSubsysLabel(virSecurityManagerPtr mgr,
                                         virDomainDefPtr def,
                                         virDomainHostdevDefPtr dev,
@@ -1425,6 +1433,7 @@ virSecuritySELinuxSetHostdevSubsysLabel(virSecurityManagerPtr mgr,
     virDomainHostdevSubsysUSBPtr usbsrc = &dev->source.subsys.u.usb;
     virDomainHostdevSubsysPCIPtr pcisrc = &dev->source.subsys.u.pci;
     virDomainHostdevSubsysSCSIPtr scsisrc = &dev->source.subsys.u.scsi;
+    virDomainHostdevSubsysSCSIVHostPtr hostsrc = &dev->source.subsys.u.scsi_host;
     virSecuritySELinuxCallbackData data = {.mgr = mgr, .def = def};
 
     int ret = -1;
@@ -1499,7 +1508,16 @@ virSecuritySELinuxSetHostdevSubsysLabel(virSecurityManagerPtr mgr,
     }
 
     case VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_SCSI_HOST: {
-        /* Fall through for now */
+        virSCSIVHostDevicePtr host = virSCSIVHostDeviceNew(hostsrc->wwpn);
+
+        if (!host)
+            goto done;
+
+        ret = virSCSIVHostDeviceFileIterate(host,
+                                            virSecuritySELinuxSetHostLabel,
+                                            &data);
+        virSCSIVHostDeviceFree(host);
+        break;
     }
 
     case VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_LAST:
@@ -1627,6 +1645,16 @@ virSecuritySELinuxRestoreSCSILabel(virSCSIDevicePtr dev,
 }
 
 static int
+virSecuritySELinuxRestoreHostLabel(virSCSIVHostDevicePtr dev ATTRIBUTE_UNUSED,
+                                   const char *file,
+                                   void *opaque)
+{
+    virSecurityManagerPtr mgr = opaque;
+
+    return virSecuritySELinuxRestoreFileLabel(mgr, file);
+}
+
+static int
 virSecuritySELinuxRestoreHostdevSubsysLabel(virSecurityManagerPtr mgr,
                                             virDomainHostdevDefPtr dev,
                                             const char *vroot)
@@ -1635,6 +1663,7 @@ virSecuritySELinuxRestoreHostdevSubsysLabel(virSecurityManagerPtr mgr,
     virDomainHostdevSubsysUSBPtr usbsrc = &dev->source.subsys.u.usb;
     virDomainHostdevSubsysPCIPtr pcisrc = &dev->source.subsys.u.pci;
     virDomainHostdevSubsysSCSIPtr scsisrc = &dev->source.subsys.u.scsi;
+    virDomainHostdevSubsysSCSIVHostPtr hostsrc = &dev->source.subsys.u.scsi_host;
     int ret = -1;
 
     /* Like virSecuritySELinuxRestoreImageLabelInt() for a networked
@@ -1705,7 +1734,17 @@ virSecuritySELinuxRestoreHostdevSubsysLabel(virSecurityManagerPtr mgr,
     }
 
     case VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_SCSI_HOST: {
-        /* Fall through for now */
+        virSCSIVHostDevicePtr host = virSCSIVHostDeviceNew(hostsrc->wwpn);
+
+        if (!host)
+            goto done;
+
+        ret = virSCSIVHostDeviceFileIterate(host,
+                                            virSecuritySELinuxRestoreHostLabel,
+                                            mgr);
+        virSCSIVHostDeviceFree(host);
+
+        break;
     }
 
     case VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_LAST:
-- 
1.9.1




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