Signed-off-by: Stefan Berger <stefanb@xxxxxxxxxxxxxxxxxx>
Reviewed-by: Corey Bryant <coreyb@xxxxxxxxxxxxxxxxxx>
Tested-by: Corey Bryant <coreyb@xxxxxxxxxxxxxxxxxx>
---
src/security/security_dac.c | 53 ++++++++++++++++++++++
src/security/security_selinux.c | 94 ++++++++++++++++++++++++++++++++++++++++
2 files changed, 147 insertions(+)
Index: libvirt/src/security/security_selinux.c
===================================================================
--- libvirt.orig/src/security/security_selinux.c
+++ libvirt/src/security/security_selinux.c
@@ -45,6 +45,7 @@
#include "virrandom.h"
#include "virutil.h"
#include "virconf.h"
+#include "virtpm.h"
#define VIR_FROM_THIS VIR_FROM_SECURITY
@@ -76,6 +77,12 @@ struct _virSecuritySELinuxCallbackData {
#define SECURITY_SELINUX_VOID_DOI "0"
#define SECURITY_SELINUX_NAME "selinux"
+static int
+virSecuritySELinuxRestoreSecurityTPMFileLabelInt(virSecurityManagerPtr mgr,
+ virDomainDefPtr def,
+ virDomainTPMDefPtr tpm);
+
+
/*
* Returns 0 on success, 1 if already reserved, or -1 on fatal error
*/
@@ -1062,6 +1069,82 @@ err:
return rc;
}
+
+static int
+virSecuritySELinuxSetSecurityTPMFileLabel(virSecurityManagerPtr mgr,
+ virDomainDefPtr def,
+ virDomainTPMDefPtr tpm)
+{
+ int rc;
+ virSecurityLabelDefPtr seclabel;
+ char *cancel_path;
+
+ seclabel = virDomainDefGetSecurityLabelDef(def, SECURITY_SELINUX_NAME);
+ if (seclabel == NULL)
+ return -1;
+
+ switch (tpm->type) {
+ case VIR_DOMAIN_TPM_TYPE_PASSTHROUGH:
+ rc = virSecuritySELinuxSetFilecon(
+ tpm->data.passthrough.source.data.file.path,
+ seclabel->imagelabel);
+ if (rc < 0)
+ return -1;
+
+ if ((cancel_path = virTPMFindCancelPath()) != NULL) {
+ rc = virSecuritySELinuxSetFilecon(cancel_path,
+ seclabel->imagelabel);
+ VIR_FREE(cancel_path);
+ if (rc < 0) {
+ virSecuritySELinuxRestoreSecurityTPMFileLabelInt(mgr, def,
+ tpm);
+ return -1;
+ }
+ } else {
+ return -1;
+ }
+ break;
+ case VIR_DOMAIN_TPM_TYPE_LAST:
+ break;
+ }
+
+ return 0;
+}
+
+
+static int
+virSecuritySELinuxRestoreSecurityTPMFileLabelInt(virSecurityManagerPtr mgr,
+ virDomainDefPtr def,
+ virDomainTPMDefPtr tpm)
+{
+ int rc = 0;
+ virSecurityLabelDefPtr seclabel;
+ char *cancel_path;
+
+ seclabel = virDomainDefGetSecurityLabelDef(def, SECURITY_SELINUX_NAME);
+ if (seclabel == NULL)
+ return -1;
+
+ switch (tpm->type) {
+ case VIR_DOMAIN_TPM_TYPE_PASSTHROUGH:
+ rc = virSecuritySELinuxRestoreSecurityFileLabel(
+ mgr, tpm->data.passthrough.source.data.file.path);
+
+ if ((cancel_path = virTPMFindCancelPath()) != NULL) {
+ if (virSecuritySELinuxRestoreSecurityFileLabel(mgr,
+ cancel_path) < 0)
+ rc = -1;
+ VIR_FREE(cancel_path);
+ }
+ break;
+ case VIR_DOMAIN_TPM_TYPE_LAST:
+ break;
+ }
+
+ return rc;
+}
+
+
static int
virSecuritySELinuxRestoreSecurityImageLabelInt(virSecurityManagerPtr mgr,
virDomainDefPtr def,
@@ -1734,6 +1817,12 @@ virSecuritySELinuxRestoreSecurityAllLabe
if (secdef->norelabel || data->skipAllLabel)
return 0;
+ if (def->tpm) {
+ if (virSecuritySELinuxRestoreSecurityTPMFileLabelInt(mgr, def,
+ def->tpm) < 0)
+ rc = -1;
+ }
+
for (i = 0 ; i < def->nhostdevs ; i++) {
if (virSecuritySELinuxRestoreSecurityHostdevLabel(mgr,
def,
@@ -2148,6 +2237,11 @@ virSecuritySELinuxSetSecurityAllLabel(vi
NULL) < 0)
return -1;
}
+ if (def->tpm) {
+ if (virSecuritySELinuxSetSecurityTPMFileLabel(mgr, def,
+ def->tpm) < 0)
+ return -1;
+ }
if (virDomainChrDefForeach(def,
true,
Index: libvirt/src/security/security_dac.c
===================================================================
--- libvirt.orig/src/security/security_dac.c
+++ libvirt/src/security/security_dac.c
@@ -716,6 +716,46 @@ virSecurityDACRestoreChardevCallback(vir
static int
+virSecurityDACSetSecurityTPMFileLabel(virSecurityManagerPtr mgr,
+ virDomainDefPtr def,
+ virDomainTPMDefPtr tpm)
+{
+ int ret = 0;
+
+ switch (tpm->type) {
+ case VIR_DOMAIN_TPM_TYPE_PASSTHROUGH:
+ ret = virSecurityDACSetChardevLabel(mgr, def,
+ &tpm->data.passthrough.source);
+ break;
+ case VIR_DOMAIN_TPM_TYPE_LAST:
+ break;
+ }
+
+ return ret;
+}
+
+
+static int
+virSecurityDACRestoreSecurityTPMFileLabel(
+ virSecurityManagerPtr mgr,
+ virDomainTPMDefPtr tpm)
+{
+ int ret = 0;
+
+ switch (tpm->type) {
+ case VIR_DOMAIN_TPM_TYPE_PASSTHROUGH:
+ ret = virSecurityDACRestoreChardevLabel(mgr,
+ &tpm->data.passthrough.source);
+ break;
+ case VIR_DOMAIN_TPM_TYPE_LAST:
+ break;
+ }
+
+ return ret;
+}
+
+
+static int
virSecurityDACRestoreSecurityAllLabel(virSecurityManagerPtr mgr,
virDomainDefPtr def,
int migrated)
@@ -752,6 +792,12 @@ virSecurityDACRestoreSecurityAllLabel(vi
mgr) < 0)
rc = -1;
+ if (def->tpm) {
+ if (virSecurityDACRestoreSecurityTPMFileLabel(mgr,
+ def->tpm) < 0)
+ rc = -1;
+ }
+
if (def->os.kernel &&
virSecurityDACRestoreSecurityFileLabel(def->os.kernel) < 0)
rc = -1;
@@ -815,6 +861,13 @@ virSecurityDACSetSecurityAllLabel(virSec
mgr) < 0)
return -1;
+ if (def->tpm) {
+ if (virSecurityDACSetSecurityTPMFileLabel(mgr,
+ def,
+ def->tpm) < 0)
+ return -1;
+ }
+
if (virSecurityDACGetImageIds(def, priv, &user, &group))
return -1;
--
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