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/*
* security_manager.h: Internal security manager API
*
* Copyright (C) 2010-2013 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see
* <http://www.gnu.org/licenses/>.
*/
#pragma once
#include "domain_conf.h"
#include "vircommand.h"
typedef struct _virSecurityManager virSecurityManager;
typedef enum {
VIR_SECURITY_MANAGER_DEFAULT_CONFINED = 1 << 1,
VIR_SECURITY_MANAGER_REQUIRE_CONFINED = 1 << 2,
VIR_SECURITY_MANAGER_PRIVILEGED = 1 << 3,
VIR_SECURITY_MANAGER_DYNAMIC_OWNERSHIP = 1 << 4,
VIR_SECURITY_MANAGER_MOUNT_NAMESPACE = 1 << 5,
} virSecurityManagerNewFlags;
#define VIR_SECURITY_MANAGER_NEW_MASK \
(VIR_SECURITY_MANAGER_DEFAULT_CONFINED | \
VIR_SECURITY_MANAGER_REQUIRE_CONFINED | \
VIR_SECURITY_MANAGER_PRIVILEGED)
virSecurityManager *virSecurityManagerNew(const char *name,
const char *virtDriver,
unsigned int flags);
virSecurityManager *virSecurityManagerNewStack(virSecurityManager *primary);
int virSecurityManagerStackAddNested(virSecurityManager *stack,
virSecurityManager *nested);
/**
* virSecurityManagerDACChownCallback:
* @src: Storage file to chown
* @uid: target uid
* @gid: target gid
*
* A function callback to chown image files described by the disk
* source struct @src. The callback can decide to skip given @src
* and thus let DAC driver chown the file instead (signalled by
* returning -3).
*
* Returns: 0 on success,
* -1 on error and errno set (no libvirt error reported),
* -2 and a libvirt error reported.
* -3 if callback did not handle chown
*/
typedef int
(*virSecurityManagerDACChownCallback)(const virStorageSource *src,
uid_t uid,
gid_t gid);
virSecurityManager *virSecurityManagerNewDAC(const char *virtDriver,
uid_t user,
gid_t group,
unsigned int flags,
virSecurityManagerDACChownCallback chownCallback);
int virSecurityManagerPreFork(virSecurityManager *mgr);
void virSecurityManagerPostFork(virSecurityManager *mgr);
int virSecurityManagerTransactionStart(virSecurityManager *mgr);
int virSecurityManagerTransactionCommit(virSecurityManager *mgr,
pid_t pid,
bool lock);
void virSecurityManagerTransactionAbort(virSecurityManager *mgr);
void *virSecurityManagerGetPrivateData(virSecurityManager *mgr);
const char *virSecurityManagerGetDriver(virSecurityManager *mgr);
const char *virSecurityManagerGetVirtDriver(virSecurityManager *mgr);
const char *virSecurityManagerGetDOI(virSecurityManager *mgr);
const char *virSecurityManagerGetModel(virSecurityManager *mgr);
const char *virSecurityManagerGetBaseLabel(virSecurityManager *mgr, int virtType);
bool virSecurityManagerGetDefaultConfined(virSecurityManager *mgr);
bool virSecurityManagerGetRequireConfined(virSecurityManager *mgr);
bool virSecurityManagerGetPrivileged(virSecurityManager *mgr);
int virSecurityManagerSetDaemonSocketLabel(virSecurityManager *mgr,
virDomainDef *vm);
int virSecurityManagerSetSocketLabel(virSecurityManager *mgr,
virDomainDef *def);
int virSecurityManagerClearSocketLabel(virSecurityManager *mgr,
virDomainDef *def);
int virSecurityManagerRestoreHostdevLabel(virSecurityManager *mgr,
virDomainDef *def,
virDomainHostdevDef *dev,
const char *vroot);
int virSecurityManagerSetHostdevLabel(virSecurityManager *mgr,
virDomainDef *def,
virDomainHostdevDef *dev,
const char *vroot);
int virSecurityManagerSetSavedStateLabel(virSecurityManager *mgr,
virDomainDef *def,
const char *savefile);
int virSecurityManagerRestoreSavedStateLabel(virSecurityManager *mgr,
virDomainDef *def,
const char *savefile);
int virSecurityManagerGenLabel(virSecurityManager *mgr,
virDomainDef *sec);
int virSecurityManagerReserveLabel(virSecurityManager *mgr,
virDomainDef *sec,
pid_t pid);
int virSecurityManagerReleaseLabel(virSecurityManager *mgr,
virDomainDef *sec);
int virSecurityManagerCheckAllLabel(virSecurityManager *mgr,
virDomainDef *sec);
int virSecurityManagerSetAllLabel(virSecurityManager *mgr,
virDomainDef *sec,
const char *incomingPath,
bool chardevStdioLogd,
bool migrated);
int virSecurityManagerRestoreAllLabel(virSecurityManager *mgr,
virDomainDef *def,
bool migrated,
bool chardevStdioLogd);
int virSecurityManagerGetProcessLabel(virSecurityManager *mgr,
virDomainDef *def,
pid_t pid,
virSecurityLabelPtr sec);
int virSecurityManagerSetProcessLabel(virSecurityManager *mgr,
virDomainDef *def);
int virSecurityManagerSetChildProcessLabel(virSecurityManager *mgr,
virDomainDef *def,
virCommand *cmd);
int virSecurityManagerVerify(virSecurityManager *mgr,
virDomainDef *def);
int virSecurityManagerSetImageFDLabel(virSecurityManager *mgr,
virDomainDef *def,
int fd);
int virSecurityManagerSetTapFDLabel(virSecurityManager *mgr,
virDomainDef *vm,
int fd);
char *virSecurityManagerGetMountOptions(virSecurityManager *mgr,
virDomainDef *vm);
virSecurityManager ** virSecurityManagerGetNested(virSecurityManager *mgr);
typedef enum {
VIR_SECURITY_DOMAIN_IMAGE_LABEL_BACKING_CHAIN = 1 << 0,
/* The VIR_SECURITY_DOMAIN_IMAGE_PARENT_CHAIN_TOP should be set if the
* image passed to virSecurityManagerSetImageLabel() is the top parent of
* the whole backing chain. */
VIR_SECURITY_DOMAIN_IMAGE_PARENT_CHAIN_TOP = 1 << 1,
} virSecurityDomainImageLabelFlags;
int virSecurityManagerSetImageLabel(virSecurityManager *mgr,
virDomainDef *vm,
virStorageSource *src,
virSecurityDomainImageLabelFlags flags);
int virSecurityManagerRestoreImageLabel(virSecurityManager *mgr,
virDomainDef *vm,
virStorageSource *src,
virSecurityDomainImageLabelFlags flags);
int virSecurityManagerMoveImageMetadata(virSecurityManager *mgr,
pid_t pid,
virStorageSource *src,
virStorageSource *dst);
int virSecurityManagerSetMemoryLabel(virSecurityManager *mgr,
virDomainDef *vm,
virDomainMemoryDef *mem);
int virSecurityManagerRestoreMemoryLabel(virSecurityManager *mgr,
virDomainDef *vm,
virDomainMemoryDef *mem);
int virSecurityManagerSetInputLabel(virSecurityManager *mgr,
virDomainDef *vm,
virDomainInputDef *input);
int virSecurityManagerRestoreInputLabel(virSecurityManager *mgr,
virDomainDef *vm,
virDomainInputDef *input);
int virSecurityManagerDomainSetPathLabel(virSecurityManager *mgr,
virDomainDef *vm,
const char *path,
bool allowSubtree);
int virSecurityManagerDomainSetPathLabelRO(virSecurityManager *mgr,
virDomainDef *vm,
const char *path);
int virSecurityManagerDomainRestorePathLabel(virSecurityManager *mgr,
virDomainDef *def,
const char *path);
int virSecurityManagerSetChardevLabel(virSecurityManager *mgr,
virDomainDef *def,
virDomainChrSourceDef *dev_source,
bool chardevStdioLogd);
int virSecurityManagerRestoreChardevLabel(virSecurityManager *mgr,
virDomainDef *def,
virDomainChrSourceDef *dev_source,
bool chardevStdioLogd);
int virSecurityManagerSetTPMLabels(virSecurityManager *mgr,
virDomainDef *vm);
int virSecurityManagerRestoreTPMLabels(virSecurityManager *mgr,
virDomainDef *vm);
int virSecurityManagerSetNetdevLabel(virSecurityManager *mgr,
virDomainDef *vm,
virDomainNetDef *net);
int virSecurityManagerRestoreNetdevLabel(virSecurityManager *mgr,
virDomainDef *vm,
virDomainNetDef *net);
typedef struct _virSecurityManagerMetadataLockState virSecurityManagerMetadataLockState;
struct _virSecurityManagerMetadataLockState {
size_t nfds; /* Captures size of both @fds and @paths */
int *fds;
const char **paths;
};
virSecurityManagerMetadataLockState *
virSecurityManagerMetadataLock(virSecurityManager *mgr,
const char **paths,
size_t npaths);
void
virSecurityManagerMetadataUnlock(virSecurityManager *mgr,
virSecurityManagerMetadataLockState **state);
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