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Audit SELinux label assignment.

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A more natural auditing point would perhaps be
SELinuxSetSecurityProcessLabel, but this happens in the child after root
permissions are dropped, so the kernel would refuse the audit record.
This commit is contained in:
Miloslav Trmač 2010-10-12 12:23:55 +01:00 committed by Daniel P. Berrange
parent a8b5f9bd27
commit b8e2de8899
1 changed files with 18 additions and 4 deletions
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22
src/security/security_selinux.c
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@ -28,6 +28,8 @@
#include "pci.h"
#include "hostusb.h"
#include "storage_file.h"
#include "uuid.h"
#include "virtaudit.h"
#define VIR_FROM_THIS VIR_FROM_SECURITY
@ -160,20 +162,22 @@ SELinuxGenSecurityLabel(virSecurityDriverPtr drv ATTRIBUTE_UNUSED,
virDomainObjPtr vm)
{
int rc = -1;
char mcs[1024];
char mcs[1024], uuidstr[VIR_UUID_STRING_BUFLEN];
char *scontext = NULL;
int c1 = 0;
int c2 = 0;
if (vm->def->seclabel.type == VIR_DOMAIN_SECLABEL_STATIC)
return 0;
if (vm->def->seclabel.type == VIR_DOMAIN_SECLABEL_STATIC) {
rc = 0;
goto done;
}
if (vm->def->seclabel.label ||
vm->def->seclabel.model ||
vm->def->seclabel.imagelabel) {
virSecurityReportError(VIR_ERR_INTERNAL_ERROR,
"%s", _("security label already defined for VM"));
return rc;
goto done;
}
do {
@ -217,6 +221,16 @@ err:
VIR_FREE(vm->def->seclabel.model);
done:
VIR_FREE(scontext);
virUUIDFormat(vm->def->uuid, uuidstr);
/* The derived socket context is not audited. */
#define STR(X) ((X) != NULL ? (X) : "?")
VIR_AUDIT(VIR_AUDIT_RECORD_MACHINE_ID, rc == 0,
"name=%s uuid=%s process-context=%s image-context=%s",
vm->def->name, uuidstr, STR(vm->def->seclabel.label),
STR(vm->def->seclabel.imagelabel));
#undef STR
return rc;
}