On 02/27/2017 08:19 AM, Michal Privoznik wrote:
> When domain is being started up, we ought to relabel the host
> side of NVDIMM so qemu has access to it.
>
> Signed-off-by: Michal Privoznik <mprivozn@xxxxxxxxxx>
> ---
> src/security/security_selinux.c | 66 +++++++++++++++++++++++++++++++++++++++++
> 1 file changed, 66 insertions(+)
>
> diff --git a/src/security/security_selinux.c b/src/security/security_selinux.c
> index e22de0653..223442105 100644
> --- a/src/security/security_selinux.c
> +++ b/src/security/security_selinux.c
> @@ -1381,6 +1381,62 @@ virSecuritySELinuxRestoreInputLabel(virSecurityManagerPtr mgr,
> }
>
>
> +static int
> +virSecuritySELinuxSetMemoryLabel(virSecurityManagerPtr mgr,
> + virDomainDefPtr def,
> + virDomainMemoryDefPtr mem)
> +{
> + virSecurityLabelDefPtr seclabel;
> +
> + seclabel = virDomainDefGetSecurityLabelDef(def, SECURITY_SELINUX_NAME);
> + if (seclabel == NULL)
> + return 0;
Similar question to DAC - why not put the check in the NVDIMM case.
> +
> + switch ((virDomainMemoryModel) mem->model) {
> + case VIR_DOMAIN_MEMORY_MODEL_NVDIMM:
> + if (virSecuritySELinuxSetFilecon(mgr, mem->path,
> + seclabel->imagelabel) < 0)
> + return -1;
> + break;
> +
> + case VIR_DOMAIN_MEMORY_MODEL_NONE:
> + case VIR_DOMAIN_MEMORY_MODEL_DIMM:
> + case VIR_DOMAIN_MEMORY_MODEL_LAST:
> + break;
> + }
> +
> + return 0;
> +}
> +
> +
> +static int
> +virSecuritySELinuxRestoreMemoryLabel(virSecurityManagerPtr mgr,
> + virDomainDefPtr def,
> + virDomainMemoryDefPtr mem)
> +{
> + int ret = -1;
> + virSecurityLabelDefPtr seclabel;
> +
> + seclabel = virDomainDefGetSecurityLabelDef(def, SECURITY_SELINUX_NAME);
> + if (seclabel == NULL)
> + return 0;
Same here...
ACK in principle though
John
> +
> + switch ((virDomainMemoryModel) mem->model) {
> + case VIR_DOMAIN_MEMORY_MODEL_NVDIMM:
> + ret = virSecuritySELinuxRestoreFileLabel(mgr, mem->path);
> + break;
> +
> + case VIR_DOMAIN_MEMORY_MODEL_DIMM:
> + case VIR_DOMAIN_MEMORY_MODEL_NONE:
> + case VIR_DOMAIN_MEMORY_MODEL_LAST:
> + ret = 0;
> + break;
> + }
> +
> + return ret;
> +}
> +
> +
> static int
> virSecuritySELinuxSetTPMFileLabel(virSecurityManagerPtr mgr,
> virDomainDefPtr def,
> @@ -2325,6 +2381,11 @@ virSecuritySELinuxRestoreAllLabel(virSecurityManagerPtr mgr,
> rc = -1;
> }
>
> + for (i = 0; i < def->nmems; i++) {
> + if (virSecuritySELinuxRestoreMemoryLabel(mgr, def, def->mems[i]) < 0)
> + return -1;
> + }
> +
> for (i = 0; i < def->ndisks; i++) {
> virDomainDiskDefPtr disk = def->disks[i];
>
> @@ -2711,6 +2772,11 @@ virSecuritySELinuxSetAllLabel(virSecurityManagerPtr mgr,
> return -1;
> }
>
> + for (i = 0; i < def->nmems; i++) {
> + if (virSecuritySELinuxSetMemoryLabel(mgr, def, def->mems[i]) < 0)
> + return -1;
> + }
> +
> if (def->tpm) {
> if (virSecuritySELinuxSetTPMFileLabel(mgr, def, def->tpm) < 0)
> return -1;
>
--
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