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9344e5f554
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Daniel P. Berrange 9344e5f554 nbd: always query export list in fixed new style protocol 
With the new style protocol, the NBD client will currenetly
send NBD_OPT_EXPORT_NAME as the first (and indeed only)
option it wants. The problem is that the NBD protocol spec
does not allow for returning an error message with the
NBD_OPT_EXPORT_NAME option. So if the server mandates use
of TLS, the client will simply see an immediate connection
close after issuing NBD_OPT_EXPORT_NAME which is not user
friendly.

To improve this situation, if we have the fixed new style
protocol, we can sent NBD_OPT_LIST as the first option
to query the list of server exports. We can check for our
named export in this list and raise an error if it is not
found, instead of going ahead and sending NBD_OPT_EXPORT_NAME
with a name that we know will be rejected.

This improves the error reporting both in the case that the
server required TLS, and in the case that the client requested
export name does not exist on the server.

If the server does not support NBD_OPT_LIST, we just ignore
that and carry on with NBD_OPT_EXPORT_NAME as before.

Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Message-Id: <1455129674-17255-12-git-send-email-berrange@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-02-16 17:16:11 +01:00
..
acpi-test-data tests: pc: acpi: add expected DSDT.bridge blobs and update DSDT blobs 2016-02-04 19:53:02 +02:00
guest-debug tests/guest-debug: introduce basic gdbstub tests 2015-12-17 13:37:15 +00:00
image-fuzzer tests: Use Python 2.6 "except E as ..." syntax 2016-02-08 17:29:54 +01:00
libqos libqos: remove some leaks 2016-02-02 13:28:58 +01:00
multiboot tests/multiboot: Add test for modules 2015-01-26 12:22:44 +01:00
qapi-schema qapi: Detect base class loops 2015-12-17 08:21:29 +01:00
qemu-iotests nbd: always query export list in fixed new style protocol 2016-02-16 17:16:11 +01:00
rocker rocker: tests: don't need to specify master/self when setting vlans 2015-07-07 13:13:22 +01:00
tcg maint: remove unused include for signal.h 2015-09-11 10:21:38 +03:00
vmstate-static-checker-data tests: vmstate static checker: add size mismatch inside substructure 2014-06-23 19:14:52 +02:00
.gitignore crypto: add QCryptoSecret object class for password/key handling 2015-12-18 16:25:08 +00:00
ac97-test.c tests: Add ac97 qtest 2014-05-05 20:58:33 +02:00
ahci-test.c ide: Clean up includes 2016-01-29 15:07:23 +00:00
bios-tables-test.c tests: acpi: print ASL diff in verbose mode 2016-01-08 16:01:37 +02:00
boot-order-test.c qtest: Use -display none by default 2013-11-19 10:28:14 +01:00
check-block.sh qemu-iotests: make check-block.sh work on out-of-tree builds 2016-01-07 21:30:16 +01:00
check-qdict.c check-qdict: Test cases for new functions 2015-06-12 16:58:06 +02:00
check-qfloat.c qapi: move include files to include/qobject/ 2012-12-19 08:31:31 +01:00
check-qint.c qapi: move include files to include/qobject/ 2012-12-19 08:31:31 +01:00
check-qjson.c check-qjson: Add test for JSON nesting depth limit 2015-11-26 09:18:38 +01:00
check-qlist.c qapi: move include files to include/qobject/ 2012-12-19 08:31:31 +01:00
check-qom-interface.c tests: Test QOM interface casting 2013-12-24 17:27:17 +01:00
check-qom-proplist.c qom: Change object property iterator API contract 2016-01-18 17:47:58 +01:00
check-qstring.c qapi: move include files to include/qobject/ 2012-12-19 08:31:31 +01:00
crypto-tls-x509-helpers.c crypto: fix leaks in TLS x509 helper functions 2015-11-18 14:56:58 +00:00
crypto-tls-x509-helpers.h crypto: add sanity checking of TLS x509 credentials 2015-09-15 15:05:09 +01:00
device-introspect-test.c qdev: Protect device-list-properties against broken devices 2015-10-09 15:25:57 +02:00
display-vga-test.c virtio-gpu: add to display-vga test 2015-07-07 11:23:18 +02:00
drive_del-test.c libqtest: New hmp() & friends 2015-10-09 15:25:57 +02:00
ds1338-test.c arm: imx25-pdk: Fix machine name 2015-10-16 11:14:53 +01:00
e1000-test.c tests: Use qtest_add_data_func() consistently 2015-06-19 10:29:14 +02:00
eepro100-test.c tests: Use qtest_add_data_func() consistently 2015-06-19 10:29:14 +02:00
endianness-test.c tests: Use qtest_add_data_func() consistently 2015-06-19 10:29:14 +02:00
es1370-test.c tests: Add es1370 qtest 2014-05-05 20:58:33 +02:00
fdc-test.c Revert "hw/block/fdc: Implement tray status" 2016-02-02 17:47:04 +01:00
fw_cfg-test.c Implement fw_cfg DMA interface 2015-10-19 15:26:53 +02:00
hd-geo-test.c blockdev: Set 'format' indicates non-empty drive 2015-12-18 14:34:43 +01:00
i440fx-test.c tests/i44fx-test: No need for zeroing memory before memset 2015-11-06 15:42:38 +03:00
i82801b11-test.c tests: Add i82801b11 qtest 2014-03-31 22:36:17 +02:00
ide-test.c ide: Clean up includes 2016-01-29 15:07:23 +00:00
intel-hda-test.c tests: Add intel-hda qtests 2014-05-05 20:58:33 +02:00
io-channel-helpers.c io: add QIOChannelSocket class 2015-12-18 12:18:31 +00:00
io-channel-helpers.h io: add QIOChannelSocket class 2015-12-18 12:18:31 +00:00
ioh3420-test.c tests: Add ioh3420 qtest 2014-05-05 20:58:33 +02:00
ipmi-bt-test.c ipmi: Add tests 2015-12-22 18:39:19 +02:00
ipmi-kcs-test.c ipmi: Add tests 2015-12-22 18:39:19 +02:00
ipoctal232-test.c tests: Add ipoctal232 qtest 2014-02-14 21:07:13 +01:00
ivshmem-test.c ivshmem-test: test both msi & irq cases 2016-02-02 13:28:58 +01:00
libqtest.c tests: Use proper functions types instead of void (*fn) 2015-12-04 18:25:42 +01:00
libqtest.h tests: Use proper functions types instead of void (*fn) 2015-12-04 18:25:42 +01:00
m48t59-test.c qtest: Include system headers before user headers 2014-02-17 23:10:02 +01:00
Makefile nbd: convert block client to use I/O channels for connection setup 2016-02-16 17:13:22 +01:00
ne2000-test.c tests: Add ne2000 qtest 2014-02-14 20:50:19 +01:00
nvme-test.c qtests: Specify image format explicitly 2014-12-10 10:31:12 +01:00
pc-cpu-test.c tests: Use qtest_add_data_func() consistently 2015-06-19 10:29:14 +02:00
pcnet-test.c tests: Add pcnet qtest 2014-02-14 16:22:33 +01:00
pkix_asn1_tab.c crypto: add sanity checking of TLS x509 credentials 2015-09-15 15:05:09 +01:00
pvpanic-test.c pvpanic-test: Assert pause event 2014-03-31 22:36:17 +02:00
q35-test.c q35: add test for SMRAM.D_LCK 2015-06-05 19:45:09 +02:00
qemu-iotests-quick.sh qemu-iotests: Speed up make check-block 2015-01-13 11:47:55 +00:00
qom-test.c qom-test: Fix qmp() leaks 2015-12-04 18:29:31 +01:00
rcutorture.c rcu tests: fix compilation on 32-bit ppc 2015-03-25 13:37:10 +01:00
rtc-test.c qtest: Include system headers before user headers 2014-02-17 23:10:02 +01:00
rtl8139-test.c rtl8139: remove muldiv64() 2015-09-25 14:53:29 +02:00
spapr-phb-test.c tests: Add spapr-pci-host-bridge qtest 2014-03-13 01:21:57 +01:00
tco-test.c tco-test: fix up config accesses and re-enable 2015-07-08 12:38:30 +03:00
test-aio.c error: Use error_reportf_err() where it makes obvious sense 2016-01-13 15:16:17 +01:00
test-base64.c util: add base64 decoding function 2015-12-18 16:25:08 +00:00
test-bitops.c tests: Add missing include to test-bitops.c 2014-11-02 10:04:34 +03:00
test-blockjob-txn.c tests: add BlockJobTxn unit test 2015-11-12 16:22:44 +01:00
test-coroutine.c coroutine: move into libqemuutil.a library 2015-10-20 14:59:04 +01:00
test-crypto-cipher.c crypto: add additional query accessors for cipher instances 2015-12-23 11:02:20 +00:00
test-crypto-hash.c crypto: add ability to query hash digest len 2015-12-23 11:02:20 +00:00
test-crypto-secret.c crypto: add QCryptoSecret object class for password/key handling 2015-12-18 16:25:08 +00:00
test-crypto-tlscredsx509.c crypto: add sanity checking of TLS x509 credentials 2015-09-15 15:05:09 +01:00
test-crypto-tlssession.c crypto: introduce new module for handling TLS sessions 2015-09-15 15:07:43 +01:00
test-cutils.c tests: add some qemu_strtosz() tests 2015-09-25 12:04:41 +02:00
test-hbitmap.c maint: avoid useless "if (foo) free(foo)" pattern 2015-09-11 10:21:38 +03:00
test-int128.c tests/test-int128: Don't use __noclone__ attribute on clang 2014-03-02 17:20:37 +04:00
test-io-channel-buffer.c io: add QIOChannelBuffer class 2015-12-18 12:18:31 +00:00
test-io-channel-command.c io: add QIOChannelCommand class 2015-12-18 12:18:31 +00:00
test-io-channel-file.c io: add QIOChannelFile class 2015-12-18 12:18:31 +00:00
test-io-channel-socket.c io: fix stack allocation when sending of file descriptors 2015-12-23 10:53:03 +00:00
test-io-channel-tls.c io: add QIOChannelTLS class 2015-12-18 12:18:31 +00:00
test-io-task.c io: add QIOTask class for async operations 2015-12-18 12:18:30 +00:00
test-iov.c test-iov: add iov_discard_front/back() testcases 2013-01-02 15:58:09 +01:00
test-mul64.c tests: Add unit tests for mulu64 and muls64 2013-02-17 14:28:58 +00:00
test-netfilter.c tests: add test cases for netfilter object 2015-10-12 13:34:32 +08:00
test-opts-visitor.c qapi: Swap visit_* arguments for consistent 'name' placement 2016-02-08 17:29:56 +01:00
test-qdev-global-props.c qom: Swap 'name' next to visitor in ObjectPropertyAccessor 2016-02-08 17:29:56 +01:00
test-qemu-opts.c QemuOpts: Wean off qerror_report_err() 2015-06-22 18:20:39 +02:00
test-qga.c qga: Better mapping of SEEK_* in guest-file-seek 2015-11-25 17:56:45 -06:00
test-qmp-commands.c qapi: Swap visit_* arguments for consistent 'name' placement 2016-02-08 17:29:56 +01:00
test-qmp-event.c qapi: Unbox base members 2015-11-02 08:30:26 +01:00
test-qmp-input-strict.c qapi: Swap visit_* arguments for consistent 'name' placement 2016-02-08 17:29:56 +01:00
test-qmp-input-visitor.c qapi: Swap visit_* arguments for consistent 'name' placement 2016-02-08 17:29:56 +01:00
test-qmp-output-visitor.c qmp: Fix reference-counting of qnull on empty output visit 2016-02-08 17:29:57 +01:00
test-rcu-list.c rcu: actually register threads that have RCU read-side critical sections 2015-07-24 13:57:45 +02:00
test-rfifolock.c rfifolock: add recursive FIFO lock 2014-03-13 14:42:21 +01:00
test-string-input-visitor.c qapi: Swap visit_* arguments for consistent 'name' placement 2016-02-08 17:29:56 +01:00
test-string-output-visitor.c qapi: Swap visit_* arguments for consistent 'name' placement 2016-02-08 17:29:56 +01:00
test-thread-pool.c error: Use error_reportf_err() where it makes obvious sense 2016-01-13 15:16:17 +01:00
test-throttle.c test-throttle: Simplify qemu_init_main_loop() error handling 2016-01-13 15:16:17 +01:00
test-timed-average.c util: Infrastructure for computing recent averages 2015-11-12 16:22:45 +01:00
test-visitor-serialization.c qapi: Swap visit_* arguments for consistent 'name' placement 2016-02-08 17:29:56 +01:00
test-vmstate.c coroutine: move into libqemuutil.a library 2015-10-20 14:59:04 +01:00
test-write-threshold.c block: add event when disk usage exceeds threshold 2015-02-06 17:24:21 +01:00
test-x86-cpuid.c target-i386: Move topology.h to include/hw/i386 2015-03-09 16:30:02 -03:00
test-xbzrle.c maint: remove unused include for strings.h 2015-09-11 10:21:38 +03:00
tmp105-test.c libqtest: escape strings in QMP commands, fix leak 2014-07-01 10:20:41 +02:00
tpci200-test.c tests: Add tpci200 qtest 2014-02-14 21:02:27 +01:00
usb-hcd-ehci-test.c usb: Clean up includes 2016-01-29 15:07:23 +00:00
usb-hcd-ohci-test.c usb: Clean up includes 2016-01-29 15:07:23 +00:00
usb-hcd-uhci-test.c usb: Clean up includes 2016-01-29 15:07:23 +00:00
usb-hcd-xhci-test.c usb: Clean up includes 2016-01-29 15:07:23 +00:00
vhost-user-bridge.c tests/vhost-user-bridge.c: fix fd leakage 2015-12-02 19:27:26 +02:00
vhost-user-test.c vhost-user-test: use correct ROM to speed up and avoid spurious failures 2016-02-06 20:44:08 +02:00
virtio-9p-test.c 9pfs: Clean up includes 2016-01-29 15:07:23 +00:00
virtio-balloon-test.c tests: Add virtio-balloon qtest 2014-03-13 01:21:56 +01:00
virtio-blk-test.c tests: Check QVIRTIO_F_ANY_LAYOUT flag in virtio-blk test 2015-03-10 14:02:23 +01:00
virtio-console-test.c virtio-console-test: Test virtserialport as well 2014-03-13 21:12:07 +01:00
virtio-net-test.c tests: test rx recovery from cont 2015-08-04 09:41:28 +01:00
virtio-rng-test.c tests: virtio-rng: Check if hot-plug/unplug works 2014-10-15 05:03:12 +02:00
virtio-scsi-test.c virtio-scsi-test: Add test case for tail unaligned WRITE SAME 2015-07-30 15:44:49 +02:00
virtio-serial-test.c tests: virtio-serial: Check if hot-plug/unplug works 2014-10-15 05:03:12 +02:00
vmxnet3-test.c tests: Add vmxnet3 qtest 2014-02-14 16:22:33 +01:00
wdt_ib700-test.c timer: rename NSEC_PER_SEC due to Mac OS X header clash 2015-07-20 17:01:00 +01:00