These checks at the beginning of some of the tests are mostly useless:
We only run the tests on x86 anyway, and g_test_message() does not
print anything unless you call g_test_init() first.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Acked-by: John Snow <jsnow@redhat.com>
Acked-by: Corey Minyard <cminyard@mvista.com>
Message-Id: <1551456970-463-1-git-send-email-thuth@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
We generally put implicitly defined types in whatever module triggered
their definition. This is wrong for array types, as the included test
case demonstrates. Let's have a closer look at it.
Type 'Status' is defined sub-sub-module.json. Array type ['Status']
occurs in main module qapi-schema-test.json and in
include/sub-module.json. The main module's use is first, so the array
type gets put into the main module.
The generated C headers define StatusList in qapi-types.h. But
include/qapi-types-sub-module.h uses it without including
qapi-types.h. Oops.
To fix that, put the array type into its element type's module.
Now StatusList gets generated into qapi-types-sub-module.h, which all
its users include.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190301154051.23317-8-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
The forward reference from the main module to the sub-module works
fine, except for an issue visible in qapi-schema-test.out: the array
type wrapped around the forward reference ends up in the main module,
not the sub-module. The next commit will explain why that's bad, and
fix it.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190301154051.23317-7-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
The lists in UserDefNativeListUnion aren't "native", they're lists of
built-in types. The next commit will add a list of a user-defined
type. Drop "Native", and adjust the tests using the type.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190301154051.23317-6-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
The #include directives to pull in sub-modules use file names relative
to the main module. Works only when all modules are in the same
directory, or the main module's output directory is in the compiler's
include path. Use relative file names instead.
The dummy variable we generate to avoid empty .o files has an invalid
name for sub-modules in other directories. Fix that.
Both messed up in commit 252dc3105f "qapi: Generate separate .h, .c
for each module". Escaped testing because tests/qapi-schema-test.json
doesn't cover sub-modules in other directories, only
tests/qapi-schema/include-relpath.json does, and we generate and
compile C code only for the former, not the latter. Fold the latter
into the former. This would have caught the mistakes fixed in this
commit.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190301154051.23317-5-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Commit 967c885108 neglected to cover arrays of conditional types. Do
that now.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190301154051.23317-3-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
The next few commits mess with array types, and having the changes
exposed in output of test-qapi.py will be useful.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190301154051.23317-2-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
[Rationale added to commit message]
We now expose qemu_announce_self through QMP and HMP. Add a test
with some very basic packet validation (make sure we get a RARP).
Signed-off-by: Vlad Yasevich <vyasevic@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Add an HMP command to trigger self annocements.
Unlike the QMP command (which takes a set of parameters), the HMP
command reuses the set of parameters used for migration.
Signend-off-by: Vladislav Yasevich <vyasevic@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Lots of work on tests: BiosTablesTest UEFI app,
vhost-user testing for non-Linux hosts.
Misc cleanups and fixes all over the place
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging
pci, pc, virtio: fixes, cleanups, tests
Lots of work on tests: BiosTablesTest UEFI app,
vhost-user testing for non-Linux hosts.
Misc cleanups and fixes all over the place
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
# gpg: Signature made Fri 22 Feb 2019 15:51:40 GMT
# gpg: using RSA key 281F0DB8D28D5469
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" [full]
# gpg: aka "Michael S. Tsirkin <mst@redhat.com>" [full]
# Primary key fingerprint: 0270 606B 6F3C DF3D 0B17 0970 C350 3912 AFBE 8E67
# Subkey fingerprint: 5D09 FD08 71C8 F85B 94CA 8A0D 281F 0DB8 D28D 5469
* remotes/mst/tags/for_upstream: (26 commits)
pci: Sanity test minimum downstream LNKSTA
hw/smbios: fix offset of type 3 sku field
pci: Move NVIDIA vendor id to the rest of ids
virtio-balloon: Safely handle BALLOON_PAGE_SIZE < host page size
virtio-balloon: Use ram_block_discard_range() instead of raw madvise()
virtio-balloon: Rework ballon_page() interface
virtio-balloon: Corrections to address verification
virtio-balloon: Remove unnecessary MADV_WILLNEED on deflate
i386/kvm: ignore masked irqs when update msi routes
contrib/vhost-user-blk: fix the compilation issue
Revert "contrib/vhost-user-blk: fix the compilation issue"
pc-dimm: use same mechanism for [get|set]_addr
tests/data: introduce "uefi-boot-images" with the "bios-tables-test" ISOs
tests/uefi-test-tools: add build scripts
tests: introduce "uefi-test-tools" with the BiosTablesTest UEFI app
roms: build the EfiRom utility from the roms/edk2 submodule
roms: add the edk2 project as a git submodule
vhost-user-test: create a temporary directory per TestServer
vhost-user-test: small changes to init_hugepagefs
vhost-user-test: create a main loop per TestServer
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
- Re-enable the guest-agent test
- Add the possibility to load a bios image on the mcf5208evb machine
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vaehdDS135MQupk0bcDB/EVCgCQ/OAIQ1+vn224zbBea78ZdkjohlN7skW+o+HVP
fC0FIIqQkLGnK/nfmXz7Lj/wEQRTYuoC7SZGiFDRsyd56S/09FcNLZsre+CTytUX
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Merge remote-tracking branch 'remotes/huth-gitlab/tags/pull-request-2019-02-28' into staging
- Updates to MAINTAINERS file
- Re-enable the guest-agent test
- Add the possibility to load a bios image on the mcf5208evb machine
# gpg: Signature made Thu 28 Feb 2019 12:23:25 GMT
# gpg: using RSA key 2ED9D774FE702DB5
# gpg: Good signature from "Thomas Huth <th.huth@gmx.de>" [full]
# gpg: aka "Thomas Huth <thuth@redhat.com>" [full]
# gpg: aka "Thomas Huth <huth@tuxfamily.org>" [full]
# gpg: aka "Thomas Huth <th.huth@posteo.de>" [unknown]
# Primary key fingerprint: 27B8 8847 EEE0 2501 18F3 EAB9 2ED9 D774 FE70 2DB5
* remotes/huth-gitlab/tags/pull-request-2019-02-28:
hw/m68k/mcf5208: Support loading of bios images
tests/test-qga: Reenable guest-agent qtest
MAINTAINERS: Clean up the RISC-V TCG backend section
MAINTAINERS: Add some missing entries for the sun4m machine
MAINTAINERS: Add maintainer to the TCG/i386 subsystem
MAINTAINERS: Add maintainers to the Linux subsystem
MAINTAINERS: Orphanize the 'GDB stub' subsystem
MAINTAINERS: Add maintainer to the POSIX subsystem
MAINTAINERS: Add an entry for the Dino machine
MAINTAINERS: Add missing test entries to the Cryptography section
MAINTAINERS: Add missing entries for the QObject section
MAINTAINERS: Add missing entries for the PC machines
MAINTAINERS: Add missing entries for the sun4u machines
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Merge remote-tracking branch 'remotes/amarkovic/tags/mips-queue-feb-27-2019' into staging
MIPS queue for February 27th, 2019
# gpg: Signature made Wed 27 Feb 2019 13:27:36 GMT
# gpg: using RSA key D4972A8967F75A65
# gpg: Good signature from "Aleksandar Markovic <amarkovic@wavecomp.com>" [unknown]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg: There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 8526 FBF1 5DA3 811F 4A01 DD75 D497 2A89 67F7 5A65
* remotes/amarkovic/tags/mips-queue-feb-27-2019:
target/mips: Preparing for adding MMI instructions
tests/tcg: target/mips: Add tests for MSA integer max/min instructions
tests/tcg: target/mips: Add wrappers for MSA integer max/min instructions
qemu-doc: Add section on MIPS' Boston board
qemu-doc: Add section on MIPS' Fulong 2E board
qemu-doc: Move section on MIPS' mipssim pseudo board
disas: nanoMIPS: Fix a function misnomer
tests/tcg: target/mips: Add tests for MSA integer compare instructions
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Make windowed register tests conditional on the presence of this option.
Fix tests to work correctly for both 32 and 64 physical registers.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Make s32c1i tests conditional on the presence of this option. Initialize
ATOMCTL SR when it's present to allow RCW transactions on uncached
memory.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
SR tests generate instructions that the assembler does not recognize and
thus must take care about configuration endianness.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Make tests for specific special registers conditional on the presence of
the options that add these registers and test that the registers are not
accessible otherwise.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Make timer/CCOUNT tests conditional on the presence of timer option and
number of configured timers. Don't use hard coded interrupt levels for
timers, use configured values.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Make interrupt tests conditional on the presence of interrupt option and
on the presence of level-1 and high level software interrupts. Don't use
hard-coded interrupt level for the high level interrupt tests, choose
high level software IRQ and use its configured level.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Make tests for optional instruction groups conditional on the presence
of corresponding options in the config.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Make data/instruction tests conditional on the presence of
data/instruction cache, whether they're lockable and whether data cache
is writeback.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Make debug tests conditional on the presence of the debug option in the
config and tests that depend on the presence/number of instruction or
data breakpoint registers on the corresponding definitions. Use
configured debug interrupt level instead of the hardcoded value to set
up IRQ handler and access debug EPC register.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Uncomment test_boolean in the test makefile. Make actual tests code
conditional on the presence of boolean option in the config.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Use bbci.l/bbsi.l instead of bbci/bbsi, as they are assembly macros that
accept little-endian bit number and produce correct immediate for both
little and big endian configurations. Choose value loaded into register
for bbc/bbs opcodes based on configuration endianness.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Don't use 'loop' opcode in generic testsuite completion code, only use
core opcodes to make it work with any configuration.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Configurations with LITBASE register may use absolute literals by
default. Pass --no-absolute-literals option to assembler to use
PC-relative literals instead.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Configurations w/o vecbase may have vectors not grouped together and not
in fixed order. They may not always be grouped into single output
sections by assigning next offset to dot, as it may sometimes move dot
backwards and sometimes they may even belong to different memory region.
Don't group vectors into single output section. Instead put each vector
into its own section ant put it at its default virtual address.
Reserve 4KBytes from the default vectors base and put rest of the code
and data starting from there. Mark vectors sections as executable,
otherwise their contents is discarded. There may be as little as 16
bytes reserved for some vectors, load handler address into a0 and use
ret.n to jump there to make vector code fit into this 16 byte space.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
When test suite with multiple tests fails it's not obvious which test
failed. Pring "failed" in every invocation of test_fail. Do printing
when DEBUG preprocessor macro is defined.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Due to a misuse of rules.mak logical functions, commit f386df1744
disabled the guest-agent test.
Enable it back.
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Laurent Vivier <lvivier@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Next set of patches for ppc and spapr. There's a lot in this one:
* Support "STOP light" states on POWER9
* Add support for HVI interrupts on POWER9 (powernv machine)
* CVE-2019-8934: Don't leak host model and serial information to the guest
* Tests and cleanups for various hot unplug options
* Hash and radix MMU implementation on POWER9 for powernv machine
* PCI Host Bridge hotplug support for pseries machine
* Allow larger kernels and initrds for powernv machine
Plus a handful of miscellaneous fixes and cleanups.
The cpu hotplug tests and cleanups from David Hildenbrand aren't
solely power related. However the consensus amongst Michael Tsirkin,
David Hildenbrand, Cornelia Huck and myself was that it made most
sense to come in via my tree.
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Merge remote-tracking branch 'remotes/dgibson/tags/ppc-for-4.0-20190226' into staging
ppc patch queue 2019-02-26
Next set of patches for ppc and spapr. There's a lot in this one:
* Support "STOP light" states on POWER9
* Add support for HVI interrupts on POWER9 (powernv machine)
* CVE-2019-8934: Don't leak host model and serial information to the guest
* Tests and cleanups for various hot unplug options
* Hash and radix MMU implementation on POWER9 for powernv machine
* PCI Host Bridge hotplug support for pseries machine
* Allow larger kernels and initrds for powernv machine
Plus a handful of miscellaneous fixes and cleanups.
The cpu hotplug tests and cleanups from David Hildenbrand aren't
solely power related. However the consensus amongst Michael Tsirkin,
David Hildenbrand, Cornelia Huck and myself was that it made most
sense to come in via my tree.
# gpg: Signature made Tue 26 Feb 2019 03:37:46 GMT
# gpg: using RSA key 75F46586AE61A66CC44E87DC6C38CACA20D9B392
# gpg: Good signature from "David Gibson <david@gibson.dropbear.id.au>" [full]
# gpg: aka "David Gibson (Red Hat) <dgibson@redhat.com>" [full]
# gpg: aka "David Gibson (ozlabs.org) <dgibson@ozlabs.org>" [full]
# gpg: aka "David Gibson (kernel.org) <dwg@kernel.org>" [unknown]
# Primary key fingerprint: 75F4 6586 AE61 A66C C44E 87DC 6C38 CACA 20D9 B392
* remotes/dgibson/tags/ppc-for-4.0-20190226: (50 commits)
ppc/pnv: use IEC binary prefixes to represent sizes
ppc/pnv: add INITRD_MAX_SIZE constant
ppc/pnv: increase kernel size limit to 256MiB
hw/ppc: Use object_initialize_child for correct reference counting
ppc/xive: xive does not have a POWER7 interrupt model
tests/device-plug: Add PHB unplug request test for spapr
spapr: enable PHB hotplug for default pseries machine type
spapr: add hotplug hooks for PHB hotplug
spapr_pci: add ibm, my-drc-index property for PHB hotplug
spapr_pci: provide node start offset via spapr_populate_pci_dt()
spapr_events: add support for phb hotplug events
spapr: populate PHB DRC entries for root DT node
spapr: create DR connectors for PHBs
spapr_pci: add PHB unrealize
spapr_irq: Expose the phandle of the interrupt controller
spapr: Expose the name of the interrupt controller node
xics: Write source state to KVM at claim time
spapr/drc: Drop spapr_drc_attach() fdt argument
spapr/pci: Generate FDT fragment at configure connector time
spapr: Generate FDT fragment for CPUs at configure connector time
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Add tests for MSA integer max/min instructions. This includes
following instructions:
* MAX_A.B - maximum of absolute of two signed values (bytes)
* MAX_A.H - maximum of absolute of two signed values (halfwords)
* MAX_A.W - maximum of absolute of two signed values (words)
* MAX_A.D - maximum of absolute of two signed values (doublewords)
* MIN_A.B - minimum of absolute of two signed values (bytes)
* MIN_A.H - minimum of absolute of two signed values (halfwords)
* MIN_A.W - minimum of absolute of two signed values (words)
* MIN_A.D - minimum of absolute of two signed values (doublewords)
* MAX_S.B - maximum of two signed values (bytes)
* MAX_S.H - maximum of two signed values (halfwords)
* MAX_S.W - maximum of two signed values (words)
* MAX_S.D - maximum of two signed values (doublewords)
* MIN_S.B - minimum of two signed values (bytes)
* MIN_S.H - minimum of two signed values (halfwords)
* MIN_S.W - minimum of two signed values (words)
* MIN_S.D - minimum of two signed values (doublewords)
* MAX_U.B - maximum of two unsigned values (bytes)
* MAX_U.H - maximum of two unsigned values (halfwords)
* MAX_U.W - maximum of two unsigned values (words)
* MAX_U.D - maximum of two unsigned values (doublewords)
* MIN_U.B - minimum of two unsigned values (bytes)
* MIN_U.H - minimum of two unsigned values (halfwords)
* MIN_U.W - minimum of two unsigned values (words)
* MIN_U.D - minimum of two unsigned values (doublewords)
Each test consists of 80 test cases, so altogether there are 1920
test cases.
Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Reviewed-by: Aleksandar Rikalo <arikalo@wavecomp.com>
Message-Id: <1551185735-17154-8-git-send-email-aleksandar.markovic@rt-rk.com>
Add tests for MSA integer compare instructions. This includes
following instructions:
* CEQ.B - integer compare equal (bytes)
* CEQ.H - integer compare equal (halfwords)
* CEQ.W - integer compare equal (words)
* CEQ.D - integer compare equal (doublewords)
* CLE_S.B - signed integer compare less or equal (bytes)
* CLE_S.H - signed integer compare less or equal (halfwords)
* CLE_S.W - signed integer compare less or equal (words)
* CLE_S.D - signed integer compare less or equal (doublewords)
* CLE_U.B - unsigned integer compare less or equal (bytes)
* CLE_U.H - unsigned integer compare less or equal (halfwords)
* CLE_U.W - unsigned integer compare less or equal (words)
* CLE_U.D - unsigned integer compare less or equal (doublewords)
* CLT_S.B - signed integer compare less or equal (bytes)
* CLT_S.H - signed integer compare less or equal (halfwords)
* CLT_S.W - signed integer compare less or equal (words)
* CLT_S.D - signed integer compare less or equal (doublewords)
* CLT_U.B - unsigned integer compare less or equal (bytes)
* CLT_U.H - unsigned integer compare less or equal (halfwords)
* CLT_U.W - unsigned integer compare less or equal (words)
* CLT_U.D - unsigned integer compare less or equal (doublewords)
Each test consists of 80 test cases, so altogether there are 1600 test
cases.
Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Reviewed-by: Aleksandar Rikalo <arikalo@wavecomp.com>
Message-Id: <1551185735-17154-2-git-send-email-aleksandar.markovic@rt-rk.com>
- Block graph change fixes (avoid loops, cope with non-tree graphs)
- bdrv_set_aio_context() related fixes
- HMP snapshot commands: Use only tag, not the ID to identify snapshots
- qmeu-img, commit: Error path fixes
- block/nvme: Build fix for gcc 9
- MAINTAINERS updates
- Fix various issues with bdrv_refresh_filename()
- Fix various iotests
- Include LUKS overhead in qemu-img measure for qcow2
- A fix for vmdk's image creation interface
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Merge remote-tracking branch 'remotes/kevin/tags/for-upstream' into staging
Block layer patches:
- Block graph change fixes (avoid loops, cope with non-tree graphs)
- bdrv_set_aio_context() related fixes
- HMP snapshot commands: Use only tag, not the ID to identify snapshots
- qmeu-img, commit: Error path fixes
- block/nvme: Build fix for gcc 9
- MAINTAINERS updates
- Fix various issues with bdrv_refresh_filename()
- Fix various iotests
- Include LUKS overhead in qemu-img measure for qcow2
- A fix for vmdk's image creation interface
# gpg: Signature made Mon 25 Feb 2019 14:18:15 GMT
# gpg: using RSA key 7F09B272C88F2FD6
# gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>" [full]
# Primary key fingerprint: DC3D EB15 9A9A F95D 3D74 56FE 7F09 B272 C88F 2FD6
* remotes/kevin/tags/for-upstream: (71 commits)
iotests: Skip 211 on insufficient memory
vmdk: false positive of compat6 with hwversion not set
iotests: add LUKS payload overhead to 178 qemu-img measure test
qcow2: include LUKS payload overhead in qemu-img measure
iotests.py: s/_/-/g on keys in qmp_log()
iotests: Let 045 be run concurrently
iotests: Filter SSH paths
iotests.py: Filter filename in any string value
iotests.py: Add is_str()
iotests: Fix 207 to use QMP filters for qmp_log
iotests: Fix 232 for LUKS
iotests: Remove superfluous rm from 232
iotests: Fix 237 for Python 2.x
iotests: Re-add filename filters
iotests: Test json:{} filenames of internal BDSs
block: BDS options may lack the "driver" option
block/null: Generate filename even with latency-ns
block/curl: Implement bdrv_refresh_filename()
block/curl: Harmonize option defaults
block/nvme: Fix bdrv_refresh_filename()
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
When we run "certtool 2>&1 | head -1" the latter command is likely to
complete and exit before certtool has written everything it wants to
stderr. In at least the RHEL-7 gnutls 3.3.29 this causes certtool to
quit with broken pipe before it has finished writing the desired
output file to disk. This causes non-deterministic failures of the
iotest 233 because the certs are sometimes zero length files.
If certtool fails the "head -1" means we also lose any useful error
message it would have printed.
Thus this patch gets rid of the pipe and post-processes the output in a
more flexible & reliable manner.
Reported-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20190220145819.30969-3-berrange@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
If we abort the iotest early the server.log file might contain useful
information for diagnosing the problem. Ensure its contents are
displayed in this case.
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20190220145819.30969-2-berrange@redhat.com>
[eblake: fix shell quoting]
Signed-off-by: Eric Blake <eblake@redhat.com>
The data type for bytes in Python 3 differs from the one in Python 2.
The type cast that is compatible with both versions was applied.
Signed-off-by: Nir Soffer <nsoffer@redhat.com>
Signed-off-by: Andrey Shinkevich <andrey.shinkevich@virtuozzo.com>
Reported-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <1551197495-24425-1-git-send-email-andrey.shinkevich@virtuozzo.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
The 'qemu_acl' type was a previous non-QOM based attempt to provide an
authorization facility in QEMU. Because it is non-QOM based it cannot be
created via the command line and requires special monitor commands to
manipulate it.
The new QAuthZ subclasses provide a superset of the functionality in
qemu_acl, so the latter can now be deleted. The HMP 'acl_*' monitor
commands are converted to use the new QAuthZSimple data type instead
in order to provide temporary backwards compatibility.
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Add an authorization backend that talks to PAM to check whether the user
identity is allowed. This only uses the PAM account validation facility,
which is essentially just a check to see if the provided username is permitted
access. It doesn't use the authentication or session parts of PAM, since
that's dealt with by the relevant part of QEMU (eg VNC server).
Consider starting QEMU with a VNC server and telling it to use TLS with
x509 client certificates and configuring it to use an PAM to validate
the x509 distinguished name. In this example we're telling it to use PAM
for the QAuthZ impl with a service name of "qemu-vnc"
$ qemu-system-x86_64 \
-object tls-creds-x509,id=tls0,dir=/home/berrange/security/qemutls,\
endpoint=server,verify-peer=yes \
-object authz-pam,id=authz0,service=qemu-vnc \
-vnc :1,tls-creds=tls0,tls-authz=authz0
This requires an /etc/pam/qemu-vnc file to be created with the auth
rules. A very simple file based whitelist can be setup using
$ cat > /etc/pam/qemu-vnc <<EOF
account requisite pam_listfile.so item=user sense=allow file=/etc/qemu/vnc.allow
EOF
The /etc/qemu/vnc.allow file simply contains one username per line. Any
username not in the file is denied. The usernames in this example are
the x509 distinguished name from the client's x509 cert.
$ cat > /etc/qemu/vnc.allow <<EOF
CN=laptop.berrange.com,O=Berrange Home,L=London,ST=London,C=GB
EOF
More interesting would be to configure PAM to use an LDAP backend, so
that the QEMU authorization check data can be centralized instead of
requiring each compute host to have file maintained.
The main limitation with this PAM module is that the rules apply to all
QEMU instances on the host. Setting up different rules per VM, would
require creating a separate PAM service name & config file for every
guest. An alternative approach for the future might be to not pass in
the plain username to PAM, but instead combine the VM name or UUID with
the username. This requires further consideration though.
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Add a QAuthZListFile object type that implements the QAuthZ interface. This
built-in implementation is a proxy around the QAuthZList object type,
initializing it from an external file, and optionally, automatically
reloading it whenever it changes.
To create an instance of this object via the QMP monitor, the syntax
used would be:
{
"execute": "object-add",
"arguments": {
"qom-type": "authz-list-file",
"id": "authz0",
"props": {
"filename": "/etc/qemu/vnc.acl",
"refresh": true
}
}
}
If "refresh" is "yes", inotify is used to monitor the file,
automatically reloading changes. If an error occurs during reloading,
all authorizations will fail until the file is next successfully
loaded.
The /etc/qemu/vnc.acl file would contain a JSON representation of a
QAuthZList object
{
"rules": [
{ "match": "fred", "policy": "allow", "format": "exact" },
{ "match": "bob", "policy": "allow", "format": "exact" },
{ "match": "danb", "policy": "deny", "format": "glob" },
{ "match": "dan*", "policy": "allow", "format": "exact" },
],
"policy": "deny"
}
This sets up an authorization rule that allows 'fred', 'bob' and anyone
whose name starts with 'dan', except for 'danb'. Everyone unmatched is
denied.
The object can be loaded on the comand line using
-object authz-list-file,id=authz0,filename=/etc/qemu/vnc.acl,refresh=yes
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Add a QAuthZList object type that implements the QAuthZ interface. This
built-in implementation maintains a trivial access control list with a
sequence of match rules and a final default policy. This replicates the
functionality currently provided by the qemu_acl module.
To create an instance of this object via the QMP monitor, the syntax
used would be:
{
"execute": "object-add",
"arguments": {
"qom-type": "authz-list",
"id": "authz0",
"props": {
"rules": [
{ "match": "fred", "policy": "allow", "format": "exact" },
{ "match": "bob", "policy": "allow", "format": "exact" },
{ "match": "danb", "policy": "deny", "format": "glob" },
{ "match": "dan*", "policy": "allow", "format": "exact" },
],
"policy": "deny"
}
}
}
This sets up an authorization rule that allows 'fred', 'bob' and anyone
whose name starts with 'dan', except for 'danb'. Everyone unmatched is
denied.
It is not currently possible to create this via -object, since there is
no syntax supported to specify non-scalar properties for objects. This
is likely to be addressed by later support for using JSON with -object,
or an equivalent approach.
In any case the future "authz-listfile" object can be used from the
CLI and is likely a better choice, as it allows the ACL to be refreshed
automatically on change.
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
