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Move some functions out of domain_conf for use in the next
patch where snapshot starts to directly use structs in
virstoragefile.
* src/conf/domain_conf.c (virDomainDiskDefFree)
(virDomainDiskSourcePoolDefParse): Adjust callers.
(virDomainDiskSourceDefClear, virDomainDiskSourcePoolDefFree)
(virDomainDiskAuthClear): Move...
* src/util/virstoragefile.c (virStorageSourceClear)
(virStorageSourcePoolDefFree, virStorageSourceAuthClear): ...and
rename.
* src/conf/domain_conf.h (virDomainDiskAuthClear): Drop
declaration.
* src/qemu/qemu_conf.c (qemuTranslateDiskSourcePool): Adjust
caller.
* src/util/virstoragefile.h: Declare them.
* src/libvirt_private.syms (virstoragefile.h): Export them.
Signed-off-by: Eric Blake <eblake@redhat.com>
The only remaining reason that virt-login-shell was trying to
link against virstoragefile was because of a call to
virStorageFileFormatTypeToString when spawning a qemu-nbd
process - but setuid processes shouldn't be spawning qemu-nbd.
* src/util/virfile.c (virFileLoopDeviceAssociate)
(virFileNBDDeviceAssociate): Cripple in setuid builds.
* src/Makefile.am (libvirt_setuid_rpc_client_la_SOURCES):
Drop virstoragefile from the list.
Signed-off-by: Eric Blake <eblake@redhat.com>
The code in virstoragefile.c is getting more complex as I
consolidate backing chain handling code. But for the setuid
virt-login-shell, we don't need to crawl backing chains. It's
easier to audit things for setuid security if there are fewer
files involved, so this patch moves the one function that
virFileOpen() was actually relying on to also live in virfile.c.
* src/util/virstoragefile.c (virStorageFileIsSharedFS)
(virStorageFileIsSharedFSType): Move...
* src/util/virfile.c (virFileIsSharedFS, virFileIsSharedFSType):
...to here, and rename.
(virFileOpenAs): Update caller.
* src/security/security_selinux.c
(virSecuritySELinuxSetFileconHelper)
(virSecuritySELinuxSetSecurityAllLabel)
(virSecuritySELinuxRestoreSecurityImageLabelInt): Likewise.
* src/security/security_dac.c
(virSecurityDACRestoreSecurityImageLabelInt): Likewise.
* src/qemu/qemu_driver.c (qemuOpenFileAs): Likewise.
* src/qemu/qemu_migration.c (qemuMigrationIsSafe): Likewise.
* src/util/virstoragefile.h: Adjust declarations.
* src/util/virfile.h: Likewise.
* src/libvirt_private.syms (virfile.h, virstoragefile.h): Move
symbols as appropriate.
Signed-off-by: Eric Blake <eblake@redhat.com>
With this patch, all information related to a host resource in
a storage file backing chain now lives in util/virstoragefile.h.
The next step will be to consolidate various places that have
been tracking backing chain details to all use a common struct.
The changes to tools/Makefile.am were made necessary by the
fact that virstorageencryption includes uses of libxml, and is
now pulled in by inclusion from virstoragefile.h. No
additional libraries are linked into the final image, and in
comparison, the build of the setuid library in src/Makefile.am
already was using LIBXML_CFLAGS via AM_CFLAGS.
* src/conf/domain_conf.h (virDomainDiskSourceDef): Move...
* src/util/virstoragefile.h (virStorageSource): ...and rename.
* src/conf/domain_conf.c (virDomainDiskSourceDefClear)
(virDomainDiskAuthClear): Adjust clients.
* tools/Makefile.am (virt_login_shell_CFLAGS)
(virt_host_validate_CFLAGS): Add libxml headers.
Signed-off-by: Eric Blake <eblake@redhat.com>
This one is a relatively easy move. We don't ever convert the
enum to or from strings (it is inferred from other elements in
the xml, rather than directly represented).
* src/conf/domain_conf.h (virDomainDiskSecretType): Move...
* src/util/virstoragefile.h (virStorageSecreteType): ...and
rename.
* src/conf/domain_conf.c (virDomainDiskSecretType): Drop unused
enum conversion.
(virDomainDiskAuthClear, virDomainDiskDefParseXML)
(virDomainDiskDefFormat): Adjust clients.
* src/qemu/qemu_command.c (qemuGetSecretString): Likewise.
* src/qemu/qemu_conf.c (qemuTranslateDiskSourcePoolAuth):
Likewise.
Signed-off-by: Eric Blake <eblake@redhat.com>
Another struct being moved to util. This one doesn't have as
much use yet, thankfully.
* src/conf/domain_conf.h (virDomainDiskSourcePoolMode)
(virDomainDiskSourcePoolDef): Move...
* src/util/virstoragefile.h (virStorageSourcePoolMode)
(virStorageSourcePoolDef): ...and rename.
* src/conf/domain_conf.c (virDomainDiskSourcePoolDefFree)
(virDomainDiskSourceDefClear, virDomainDiskSourcePoolDefParse)
(virDomainDiskDefParseXML, virDomainDiskSourceDefParse)
(virDomainDiskSourceDefFormatInternal)
(virDomainDiskDefForeachPath, virDomainDiskSourceIsBlockType):
Adjust clients.
* src/qemu/qemu_conf.c (qemuTranslateDiskSourcePool): Likewise.
* src/libvirt_private.syms (domain_conf.h): Move symbols...
(virstoragefile.h): ...as appropriate.
Signed-off-by: Eric Blake <eblake@redhat.com>
Encryption keys can be associated with each source file in a
backing chain; as such, this file belongs more in util/ where
it can be used by virstoragefile.h.
* src/conf/storage_encryption_conf.h: Rename...
* src/util/virstorageencryption.h: ...to this.
* src/conf/storage_encryption_conf.c: Rename...
* src/util/virstorageencryption.c: ...to this.
* src/Makefile.am (ENCRYPTION_CONF_SOURCES, CONF_SOURCES)
(UTIL_SOURCES): Update to new file names.
* src/libvirt_private.syms: Likewise.
* src/conf/domain_conf.h: Update client.
* src/conf/storage_conf.h: Likewise.
Signed-off-by: Eric Blake <eblake@redhat.com>
In order to reuse the newly-created host-side disk struct in
the virstoragefile backing chain code, I first have to move
it to util/. This starts the process, by first moving the
security label structures.
* src/conf/domain_conf.h (virDomainDefGenSecurityLabelDef)
(virDomainDiskDefGenSecurityLabelDef, virSecurityLabelDefFree)
(virSecurityDeviceLabelDefFree, virSecurityLabelDef)
(virSecurityDeviceLabelDef): Move...
* src/util/virseclabel.h: ...to new file.
(virSecurityLabelDefNew, virSecurityDeviceLabelDefNew): Rename the
GenSecurity functions.
* src/qemu/qemu_process.c (qemuProcessAttach): Adjust callers.
* src/security/security_manager.c (virSecurityManagerGenLabel):
Likewise.
* src/security/security_selinux.c
(virSecuritySELinuxSetSecurityFileLabel): Likewise.
* src/util/virseclabel.c: New file.
* src/conf/domain_conf.c: Move security code, and fix fallout.
* src/Makefile.am (UTIL_SOURCES): Build new file.
* src/libvirt_private.syms (domain_conf.h): Move symbols...
(virseclabel.h): ...to new section.
Signed-off-by: Eric Blake <eblake@redhat.com>
In 'make syntax-check', we have a rule that prevents layering
violations between the various files in src. However, we
forgot to treat conf/ and the more recently-added access/ as
lower-level directories, and were not detecting cases where
they might have used a driver file. Also, it's not nice that
qemu can use storage/ but none of the other drivers could do so.
* cfg.mk (sc_prohibit_cross_inclusion): Tighten rules for conf/
and access/, let all other drivers use storage/.
Signed-off-by: Eric Blake <eblake@redhat.com>
https://bugzilla.redhat.com/show_bug.cgi?id=1072714
Use the "gluster" command line tool to retrieve information about remote
volumes on a gluster server to allow storage pool source lookup.
Unfortunately gluster doesn't provide a management library so that we
could use that directly, instead the RPC calls are hardcoded in the
command line tool.
Extract the NFS related stuff into a separate function and tidy up the
rest of the code so we can reuse it to add gluster backend detection.
Additionally avoid reporting of errors from "showmount" and return an
empty source list instead. This will help when adding other detection
backends.
According to our documentation the "key" value has the following
meaning: "Providing an identifier for the volume which identifies a
single volume." The currently used keys for gluster volumes consist of
the gluster volume name and file path. This can't be considered unique
as a different storage server can serve a volume with the same name.
Unfortunately I wasn't able to figure out a way to retrieve the gluster
volume UUID which would avoid the possibility of having two distinct
keys identifying a single volume.
Use the full URI as the key for the volume to avoid the more critical
ambiguity problem and document the possible change to UUID.
While running virdbustest, it was found that valgrind pointed out
the following memory leaks:
==9996== 17 (8 direct, 9 indirect) bytes in 1 blocks are definitely lost in loss record 9 of 36
==9996== at 0x4A069EE: malloc (vg_replace_malloc.c:270)
==9996== by 0x4A06B62: realloc (vg_replace_malloc.c:662)
==9996== by 0x4C6B587: virReallocN (viralloc.c:245)
==9996== by 0x4C6B6AE: virExpandN (viralloc.c:294)
==9996== by 0x4C82B54: virDBusMessageDecodeArgs (virdbus.c:907)
==9996== by 0x4C83463: virDBusMessageDecode (virdbus.c:1141)
==9996== by 0x402C45: testMessageArrayRef (virdbustest.c:273)
==9996== by 0x404E71: virtTestRun (testutils.c:201)
==9996== by 0x401C2D: mymain (virdbustest.c:479)
==9996== by 0x4055ED: virtTestMain (testutils.c:789)
==9996== by 0x3E6CE1ED1C: (below main) (libc-start.c:226)
==9996==
==9996== 28 (16 direct, 12 indirect) bytes in 1 blocks are definitely lost in loss record 12 of 36
==9996== at 0x4A06BE0: realloc (vg_replace_malloc.c:662)
==9996== by 0x4C6B587: virReallocN (viralloc.c:245)
==9996== by 0x4C6B6AE: virExpandN (viralloc.c:294)
==9996== by 0x4C82B54: virDBusMessageDecodeArgs (virdbus.c:907)
==9996== by 0x4C83463: virDBusMessageDecode (virdbus.c:1141)
==9996== by 0x402C45: testMessageArrayRef (virdbustest.c:273)
==9996== by 0x404E71: virtTestRun (testutils.c:201)
==9996== by 0x401C2D: mymain (virdbustest.c:479)
==9996== by 0x4055ED: virtTestMain (testutils.c:789)
==9996== by 0x3E6CE1ED1C: (below main) (libc-start.c:226)
==9996==
Signed-off-by: Eric Blake <eblake@redhat.com>
'virsh help event' included a summary line "event - (null)"
due to a misnamed info field.
* tools/virsh-domain.c (info_event): Use correct name.
* tools/virsh-network.c (info_network_event): Likewise.
Signed-off-by: Eric Blake <eblake@redhat.com>
On failures, virBhyveProcessStart() does not cleanup network
interfaces that could be created by virBhyveProcessBuildBhyveCmd(),
which results in a leaked tap device.
To fix that, extract network cleanup code to bhyveNetCleanup()
and use it in cleanup stage of virBhyveProcessStart().
When virStorageFileGetMetadata is called with NULL path argument, the
invalid pointer boils down through the recursive worker and is caught by
virHashAddEntry which is thankfully resistant to NULL arguments. As it
doesn't make sense to pursue backing chains of NULL volumes, exit
earlier.
This was noticed in the virt-aahelper-test with a slightly modified
codebase.
The libgfapi function glfs_fini doesn't tolerate NULL pointers. Add a
check on the error paths as it's possible to crash libvirtd if the
gluster volume can't be initialized.
Using any of these chars [:*?"<>|] in a filename is forbidden on
Windows and breaks git operations on Windows as git is not able
to create those files/directories on clone or pull.
Because some of them can be used in UNIX filenames they tend to
creep into filenames; especially : in PCI/SCSI device names that
are used as filenames in test cases.
Windows doesn't allow : in filenames.
Commit 6fdece9a33 added files with a : in
their names. This broke git operations on Windows as git is not able to
create those files on clone or pull.
Replace : with - in the offending filenames and adapt the test case.
As the tested Linux specific code expects the files to exist with : in
their path use symlinks to provide the name that way.
virNodeDeviceListCaps will always return empty for a pci nodedevice,
actually it should return 'pci'.
It is because the loop variable ncaps isn't increased.
Introduced by commit be2636f.
https://bugzilla.redhat.com/show_bug.cgi?id=1081932
Signed-off-by: Jincheng Miao <jmiao@redhat.com>
Signed-off-by: Ján Tomko <jtomko@redhat.com>
See lp#1276719 for the bug description. As virt-aa-helper doesn't know
the VFIO groups to use for the guest, allow access to all
/dev/vfio/[0-9]* and /dev/vfio/vfio files if there is a potential need
for vfio
Signed-off-by: Eric Blake <eblake@redhat.com>
While running qemucaps2xmltest, it was found that valgrind pointed out
the following memory leaks:
==29896== 0 bytes in 1 blocks are definitely lost in loss record 1 of 65
==29896== at 0x4A0577B: calloc (vg_replace_malloc.c:593)
==29896== by 0x4C6B45E: virAllocN (viralloc.c:191)
==29896== by 0x4232A9: virQEMUCapsGetMachineTypesCaps (qemu_capabilities.c:1999)
==29896== by 0x4234E7: virQEMUCapsInitGuestFromBinary (qemu_capabilities.c:789)
==29896== by 0x41F10B: testQemuCapsXML (qemucaps2xmltest.c:118)
==29896== by 0x41FFD1: virtTestRun (testutils.c:201)
==29896== by 0x41EE7A: mymain (qemucaps2xmltest.c:203)
==29896== by 0x42074D: virtTestMain (testutils.c:789)
==29896== by 0x3E6CE1ED1C: (below main) (libc-start.c:226)
==29896==
==29896== 0 bytes in 1 blocks are definitely lost in loss record 2 of 65
==29896== at 0x4A0577B: calloc (vg_replace_malloc.c:593)
==29896== by 0x4C6B45E: virAllocN (viralloc.c:191)
==29896== by 0x4232A9: virQEMUCapsGetMachineTypesCaps (qemu_capabilities.c:1999)
==29896== by 0x4234E7: virQEMUCapsInitGuestFromBinary (qemu_capabilities.c:789)
==29896== by 0x41F10B: testQemuCapsXML (qemucaps2xmltest.c:118)
==29896== by 0x41FFD1: virtTestRun (testutils.c:201)
==29896== by 0x41EEA3: mymain (qemucaps2xmltest.c:204)
==29896== by 0x42074D: virtTestMain (testutils.c:789)
==29896== by 0x3E6CE1ED1C: (below main) (libc-start.c:226)
Signed-off-by: Eric Blake <eblake@redhat.com>
Use 'virsh list domain --title' option can get domain's title,
not description, the original help information 'show short
domain description' will confuse users, so modify it to
'show domain title'
Signed-off-by: Li Yang <liyang.fnst@cn.fujitsu.com>
While running qemucaps2xmltest, it was found that valgrind pointed out
the following memory leaks:
==27045== 160 (112 direct, 48 indirect) bytes in 1 blocks are definitely lost in loss record 51 of 65
==27045== at 0x4A0577B: calloc (vg_replace_malloc.c:593)
==27045== by 0x4C6BACD: virAllocVar (viralloc.c:560)
==27045== by 0x4CAF095: virObjectNew (virobject.c:193)
==27045== by 0x421453: virQEMUCapsNew (qemu_capabilities.c:1805)
==27045== by 0x41F04F: testQemuCapsXML (qemucaps2xmltest.c:72)
==27045== by 0x41FFD1: virtTestRun (testutils.c:201)
==27045== by 0x41EE7A: mymain (qemucaps2xmltest.c:203)
==27045== by 0x42074D: virtTestMain (testutils.c:789)
==27045== by 0x3E6CE1ED1C: (below main) (libc-start.c:226)
==27045==
==27045== 160 (112 direct, 48 indirect) bytes in 1 blocks are definitely lost in loss record 52 of 65
==27045== at 0x4A0577B: calloc (vg_replace_malloc.c:593)
==27045== by 0x4C6BACD: virAllocVar (viralloc.c:560)
==27045== by 0x4CAF095: virObjectNew (virobject.c:193)
==27045== by 0x421453: virQEMUCapsNew (qemu_capabilities.c:1805)
==27045== by 0x41F04F: testQemuCapsXML (qemucaps2xmltest.c:72)
==27045== by 0x41FFD1: virtTestRun (testutils.c:201)
==27045== by 0x41EEA3: mymain (qemucaps2xmltest.c:204)
==27045== by 0x42074D: virtTestMain (testutils.c:789)
==27045== by 0x3E6CE1ED1C: (below main) (libc-start.c:226)
At this point unittest covers 4 basic cases:
- minimal working XML for bhyve
- same as above, but with virtio disk
- ACPI and APIC args test
- MAC address test
To ease mocking for bhyve unit tests move virBhyveTapGetRealDeviceName()
out of bhyve_command.c to virnetdevtap and rename it to
virNetDevTapGetRealDeviceName().
A patch submitted by Steven Malin last week pointed out a problem with
libvirt's DNS SRV record configuration:
https://www.redhat.com/archives/libvir-list/2014-March/msg00536.html
When searching for that message later, I found another series that had
been posted by Guannan Ren back in 2012 that somehow slipped between
the cracks:
https://www.redhat.com/archives/libvir-list/2012-July/msg00236.html
That patch was very much out of date, but also pointed out some real
problems.
This patch fixes all the noted problems by refactoring
virNetworkDNSSrvDefParseXML() and networkDnsmasqConfContents(), then
verifies those fixes by added several new records to the test case.
Problems fixed:
* both service and protocol now have an underscore ("_") prepended on
the commandline, as required by RFC2782.
<srv service='sip' protocol='udp' domain='example.com'
target='tests.example.com' port='5060' priority='10'
weight='150'/>
before: srv-host=sip.udp.example.com,tests.example.com,5060,10,150
after: srv-host=_sip._udp.example.com,tests.example.com,5060,10,150
* if "domain" wasn't specified in the <srv> element, the extra
trailing "." will no longer be added to the dnsmasq commandline.
<srv service='sip' protocol='udp' target='tests.example.com'
port='5060' priority='10' weight='150'/>
before: srv-host=sip.udp.,tests.example.com,5060,10,150
after: srv-host=_sip._udp,tests.example.com,5060,10,150
* when optional attributes aren't specified, the separating comma is
also now not placed on the dnsmasq commandline. If optional
attributes in the middle of the line are not specified, they are
replaced with a default value in the commandline (1 for port, 0 for
priority and weight).
<srv service='sip' protocol='udp' target='tests.example.com'
port='5060'/>
before: srv-host=sip.udp.,tests.example.com,5060,,
after: srv-host=_sip._udp,tests.example.com,5060
(actually the would have generated an error, because "optional"
attributes weren't really optional.)
* The allowed characters for both service and protocol are now limited
to alphanumerics, plus a few special characters that are found in
existing names in /etc/services and /etc/protocols. (One exception
is that both of these files contain names with an embedded ".", but
"." can't be used in these fields of an SRV record because it is
used as a field separator and there is no method to escape a "."
into a field.) (Previously only the strings "tcp" and "udp" were
allowed for protocol, but this restriction has been removed, since
RFC2782 specifically says that it isn't limited to those, and that
anyway it is case insensitive.)
* the "domain" attribute is no longer required in order to recognize
the port, priority, and weight attributes during parsing. Only
"target" is required for this.
* if "target" isn't specified, port, priority, and weight are not
allowed (since they are meaningless - an empty target means "this
service is *not available* for this domain").
* port, priority, and weight are now truly optional, as the comments
originally suggested, but which was not actually true.
