diff --git a/docs/formatdomain.rst b/docs/formatdomain.rst index 4528e172ec..1b9b221611 100644 --- a/docs/formatdomain.rst +++ b/docs/formatdomain.rst @@ -3236,6 +3236,7 @@ A directory on the host that can be accessed directly from the guest. + @@ -3360,6 +3361,11 @@ A directory on the host that can be accessed directly from the guest. ``cache`` element, possible ``mode`` values being ``none`` and ``always``. Locking can be controlled via the ``lock`` element - attributes ``posix`` and ``flock`` both accepting values ``on`` or ``off``. ( :since:`Since 6.2.0` ) + The sandboxing method used by virtiofsd can be configured with the ``sandbox`` + element, possible ``mode`` values being ``namespace`` and + ``chroot``, see the + `virtiofsd documentation `__ + for more details. ( :since:`Since 7.2.0` ) ``source`` The resource on the host that is being accessed in the guest. The ``name`` attribute must be used with ``type='template'``, and the ``dir`` attribute diff --git a/docs/schemas/domaincommon.rng b/docs/schemas/domaincommon.rng index 046f17b3ae..a2e5c50c1d 100644 --- a/docs/schemas/domaincommon.rng +++ b/docs/schemas/domaincommon.rng @@ -2984,6 +2984,18 @@ + + + + + + namespace + chroot + + + + + diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c index 0a00be4e80..f8a462fb3b 100644 --- a/src/conf/domain_conf.c +++ b/src/conf/domain_conf.c @@ -540,6 +540,13 @@ VIR_ENUM_IMPL(virDomainFSCacheMode, "always", ); +VIR_ENUM_IMPL(virDomainFSSandboxMode, + VIR_DOMAIN_FS_SANDBOX_MODE_LAST, + "default", + "namespace", + "chroot", +); + VIR_ENUM_IMPL(virDomainNet, VIR_DOMAIN_NET_TYPE_LAST, @@ -10114,6 +10121,7 @@ virDomainFSDefParseXML(virDomainXMLOption *xmlopt, g_autofree char *binary = virXPathString("string(./binary/@path)", ctxt); g_autofree char *xattr = virXPathString("string(./binary/@xattr)", ctxt); g_autofree char *cache = virXPathString("string(./binary/cache/@mode)", ctxt); + g_autofree char *sandbox = virXPathString("string(./binary/sandbox/@mode)", ctxt); g_autofree char *posix_lock = virXPathString("string(./binary/lock/@posix)", ctxt); g_autofree char *flock = virXPathString("string(./binary/lock/@flock)", ctxt); int val; @@ -10147,6 +10155,16 @@ virDomainFSDefParseXML(virDomainXMLOption *xmlopt, def->cache = val; } + if (sandbox) { + if ((val = virDomainFSSandboxModeTypeFromString(sandbox)) <= 0) { + virReportError(VIR_ERR_XML_ERROR, + _("cannot parse sandbox mode '%s' for virtiofs"), + sandbox); + goto error; + } + def->sandbox = val; + } + if (posix_lock) { if ((val = virTristateSwitchTypeFromString(posix_lock)) <= 0) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, @@ -25176,6 +25194,11 @@ virDomainFSDefFormat(virBuffer *buf, virDomainFSCacheModeTypeToString(def->cache)); } + if (def->sandbox != VIR_DOMAIN_FS_SANDBOX_MODE_DEFAULT) { + virBufferAsprintf(&binaryBuf, "\n", + virDomainFSSandboxModeTypeToString(def->sandbox)); + } + if (def->posix_lock != VIR_TRISTATE_SWITCH_ABSENT) { virBufferAsprintf(&lockAttrBuf, " posix='%s'", virTristateSwitchTypeToString(def->posix_lock)); diff --git a/src/conf/domain_conf.h b/src/conf/domain_conf.h index 4d1826362f..7688f17b18 100644 --- a/src/conf/domain_conf.h +++ b/src/conf/domain_conf.h @@ -849,6 +849,14 @@ typedef enum { VIR_DOMAIN_FS_CACHE_MODE_LAST } virDomainFSCacheMode; +typedef enum { + VIR_DOMAIN_FS_SANDBOX_MODE_DEFAULT = 0, + VIR_DOMAIN_FS_SANDBOX_MODE_NAMESPACE, + VIR_DOMAIN_FS_SANDBOX_MODE_CHROOT, + + VIR_DOMAIN_FS_SANDBOX_MODE_LAST +} virDomainFSSandboxMode; + struct _virDomainFSDef { int type; int fsdriver; /* enum virDomainFSDriverType */ @@ -874,6 +882,7 @@ struct _virDomainFSDef { virDomainFSCacheMode cache; virTristateSwitch posix_lock; virTristateSwitch flock; + virDomainFSSandboxMode sandbox; virDomainVirtioOptions *virtio; virObject *privateData; }; @@ -3797,6 +3806,7 @@ VIR_ENUM_DECL(virDomainFSAccessMode); VIR_ENUM_DECL(virDomainFSWrpolicy); VIR_ENUM_DECL(virDomainFSModel); VIR_ENUM_DECL(virDomainFSCacheMode); +VIR_ENUM_DECL(virDomainFSSandboxMode); VIR_ENUM_DECL(virDomainNet); VIR_ENUM_DECL(virDomainNetBackend); VIR_ENUM_DECL(virDomainNetVirtioTxMode); diff --git a/src/libvirt_private.syms b/src/libvirt_private.syms index abd3dc4bd1..e9bb23913c 100644 --- a/src/libvirt_private.syms +++ b/src/libvirt_private.syms @@ -415,6 +415,7 @@ virDomainFSDriverTypeToString; virDomainFSIndexByName; virDomainFSInsert; virDomainFSRemove; +virDomainFSSandboxModeTypeToString; virDomainFSTypeFromString; virDomainFSTypeToString; virDomainFSWrpolicyTypeFromString; diff --git a/tests/qemuxml2argvdata/vhost-user-fs-fd-memory.xml b/tests/qemuxml2argvdata/vhost-user-fs-fd-memory.xml index 2277850c2c..abddf0870b 100644 --- a/tests/qemuxml2argvdata/vhost-user-fs-fd-memory.xml +++ b/tests/qemuxml2argvdata/vhost-user-fs-fd-memory.xml @@ -30,6 +30,7 @@ +