Commit Graph

250 Commits

Author SHA1 Message Date
Peter Maydell
86e121ae75 * Thread Sanitizer fixes (Alex)
* Coverity fixes (David)
 * test-qht fixes (Emilio)
 * QOM interface for info irq/info pic (Hervé)
 * -rtc clock=rt fix (Junlian)
 * mux chardev fixes (Marc-André)
 * nicer report on death by signal (Michal)
 * qemu-tech TLC (Paolo)
 * MSI support for edu device (Peter)
 * qemu-nbd --offset fix (Tomáš)
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Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging

* Thread Sanitizer fixes (Alex)
* Coverity fixes (David)
* test-qht fixes (Emilio)
* QOM interface for info irq/info pic (Hervé)
* -rtc clock=rt fix (Junlian)
* mux chardev fixes (Marc-André)
* nicer report on death by signal (Michal)
* qemu-tech TLC (Paolo)
* MSI support for edu device (Peter)
* qemu-nbd --offset fix (Tomáš)

# gpg: Signature made Fri 07 Oct 2016 17:25:10 BST
# gpg:                using RSA key 0xBFFBD25F78C7AE83
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>"
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>"
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4  E2F7 7E15 100C CD36 69B1
#      Subkey fingerprint: F133 3857 4B66 2389 866C  7682 BFFB D25F 78C7 AE83

* remotes/bonzini/tags/for-upstream: (39 commits)
  qemu-doc: merge qemu-tech and qemu-doc
  qemu-tech: rewrite some parts
  qemu-tech: reorganize content
  qemu-tech: move TCG test documentation to tests/tcg/README
  qemu-tech: move user mode emulation features from qemu-tech
  qemu-tech: document lazy condition code evaluation in cpu.h
  qemu-tech: move text from qemu-tech to tcg/README
  qemu-doc: drop installation and compilation notes
  qemu-doc: replace introduction with the one from the internals manual
  qemu-tech: drop index
  test-qht: perform lookups under rcu_read_lock
  qht: fix unlock-after-free segfault upon resizing
  qht: simplify qht_reset_size
  qemu-nbd: Shrink image size by specified offset
  qemu_kill_report: Report PID name too
  util: Introduce qemu_get_pid_name
  char: update read handler in all cases
  char: use a fixed idx for child muxed chr
  i8259: give ISA device when registering ISA ioports
  .travis.yml: add gcc sanitizer build
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-10-10 10:39:29 +01:00
Peter Maydell
0bdb12c7c5 rules.mak: quiet-command: Split command name and args to print
The quiet-command make rule currently takes two arguments:
the command and arguments to run, and a string to print if
the V flag is not set (ie we are not being verbose).
By convention, the string printed is of the form
"  NAME   some args". Unfortunately to get nicely lined up
output all the strings have to agree about what column the
arguments should start in, which means that if we add a
new quiet-command usage which wants a slightly longer CMD
name then we either put up with misalignment or change
every quiet-command string.

Split the quiet-mode string into two, the "NAME" and
the "same args" part, and use printf(1) to format the
string automatically. This means we only need to change
one place if we want to support a longer maximum name.

In particular, we can now print 7-character names lined
up properly (they are needed for the OSX "SETTOOL" invocation).

Change all the uses of quiet-command to the new syntax.
(Any which are missed or inadvertently reintroduced
via later merges will result in slightly misformatted
quiet output rather than disaster.)

A few places in the pc-bios/ makefiles are updated to use
"BUILD", "SIGN" and "STRIP" rather than "Building",
"Signing" and "Stripping" for consistency and to keep them
below 7 characters. Module .mo links now print "LD" rather
than the nonstandard "LD -r".

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-id: 1475598441-27908-1-git-send-email-peter.maydell@linaro.org
2016-10-06 12:11:51 +01:00
Alex Bennée
a31393e7a5 qga/command: use QEMU atomic primitives
The guest client's use of the glib's g_atomic primitives causes newer
GCC's to barf when built on Travis. As QEMU has its own primitives with
well understood semantics we might as well use them.

The use of atomics was a little inconsistent so I've also ensure the
values are correctly set with atomic primitives at the same time.

I also made the usage of bool consistent while I was at it.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20160930213106.20186-12-alex.bennee@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-10-04 10:00:26 +02:00
Marc-André Lureau
3e3e302ff3 qga: free remaining leaking state
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
2016-09-08 17:57:32 +04:00
Marc-André Lureau
2aa67a9196 qga: free the whole blacklist
Free the config blacklist list, not just the elements. Do it so in the
more appropriate function config_free().

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
2016-09-08 17:57:32 +04:00
Markus Armbruster
121d07125b Clean up header guards that don't match their file name
Header guard symbols should match their file name to make guard
collisions less likely.  Offenders found with
scripts/clean-header-guards.pl -vn.

Cleaned up with scripts/clean-header-guards.pl, followed by some
renaming of new guard symbols picked by the script to better ones.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Richard Henderson <rth@twiddle.net>
2016-07-12 16:19:16 +02:00
Markus Armbruster
a9c94277f0 Use #include "..." for our own headers, <...> for others
Tracked down with an ugly, brittle and probably buggy Perl script.

Also move includes converted to <...> up so they get included before
ours where that's obviously okay.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Tested-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Richard Henderson <rth@twiddle.net>
2016-07-12 16:19:16 +02:00
Eduardo Habkost
9be385980d coccinelle: Remove unnecessary variables for function return value
Use Coccinelle script to replace 'ret = E; return ret' with
'return E'. The script will do the substitution only when the
function return type and variable type are the same.

Manual fixups:

* audio/audio.c: coding style of "read (...)" and "write (...)"
* block/qcow2-cluster.c: wrap line to make it shorter
* block/qcow2-refcount.c: change indentation of wrapped line
* target-tricore/op_helper.c: fix coding style of
  "remainder|quotient"
* target-mips/dsp_helper.c: reverted changes because I don't
  want to argue about checkpatch.pl
* ui/qemu-pixman.c: fix line indentation
* block/rbd.c: restore blank line between declarations and
  statements

Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Message-Id: <1465855078-19435-4-git-send-email-ehabkost@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
[Unused Coccinelle rule name dropped along with a redundant comment;
whitespace touched up in block/qcow2-cluster.c; stale commit message
paragraph deleted]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2016-06-20 16:38:13 +02:00
Eduardo Habkost
621ff94d50 error: Remove NULL checks on error_propagate() calls
error_propagate() already ignores local_err==NULL, so there's no
need to check it before calling.

Coccinelle patch used to perform the changes added to
scripts/coccinelle/error_propagate_null.cocci.

Reviewed-by: Eric Blake <eblake@redhat.com>
Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Message-Id: <1465855078-19435-2-git-send-email-ehabkost@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2016-06-20 16:38:13 +02:00
Peter Maydell
36a2c2d6d3 qga: Remove unnecessary glib.h includes
Remove glib.h includes, as it is provided by osdep.h.

This commit was created with scripts/clean-includes.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Eric Blake <eblake@redhat.com>
Tested-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2016-06-07 18:19:24 +03:00
Michael Tokarev
e35916ac0f qga: spelling fix
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2016-06-07 18:02:48 +03:00
Stefan Weil
cb8d4c8f54 Fix some typos found by codespell
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2016-05-18 15:04:27 +03:00
Yuri Pudgorodskiy
27559c214d qga: Workaround for console redirection from non-interactive qemu-ga service
mingw-glib uses helper process to assist gspawn() api. There are two
versions of helpers, one with main() and another with WinMain() startup
routines.

Whenever gspawn() detects consoleless environment (and qemu-ga is running
in such environment as Win32 service), it chooses helper with main()
instead of WinMain. It is done by name, e.g.
gspawn-win32-helper-console.exe vs gspawn-win32-helper.exe

Running console-aware application like any win32 console apps from main()
crt initalized process results in redirection of stdout to console created
in crt startup instead of parent-provided handle connected to subprocess
pipe. Thus, stdout/stderr redirection do not work correctly.

The patch makes WinMain()'s version of helper be used as the only helper
shipped with qemu-ga package. Using only win32 helper ensures console
is created before any redirection and fixes stdout/stderr redirection
issue.

Signed-off-by: Yuri Pudgorodskiy <yur@virtuozzo.com>
Signed-off-by: Denis V. Lunev <den@openvz.org>
CC: Michael Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2016-04-07 11:43:54 -05:00
Yuriy Pudgorodskiy
3005c2c2fa qga: fix fd leak with guest-exec i/o channels
Signed-off-by: Yuriy Pudgorodskiy <yur@virtuozzo.com>
Signed-off-by: Denis V. Lunev <den@openvz.org>
CC: Michael Roth <mdroth@linux.vnet.ibm.com>
* squashed in g_io_channel_shutdown() to match cleanup paths for
  input/output
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2016-04-07 11:40:19 -05:00
Peter Maydell
84a5a80148 * Log filtering from Alex and Peter
* Chardev fix from Marc-André
 * config.status tweak from David
 * Header file tweaks from Markus, myself and Veronia (Outreachy candidate)
 * get_ticks_per_sec() removal from Rutuja (Outreachy candidate)
 * Coverity fix from myself
 * PKE implementation from myself, based on rth's XSAVE support
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Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging

* Log filtering from Alex and Peter
* Chardev fix from Marc-André
* config.status tweak from David
* Header file tweaks from Markus, myself and Veronia (Outreachy candidate)
* get_ticks_per_sec() removal from Rutuja (Outreachy candidate)
* Coverity fix from myself
* PKE implementation from myself, based on rth's XSAVE support

# gpg: Signature made Thu 24 Mar 2016 20:15:11 GMT using RSA key ID 78C7AE83
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>"
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>"

* remotes/bonzini/tags/for-upstream: (28 commits)
  target-i386: implement PKE for TCG
  config.status: Pass extra parameters
  char: translate from QIOChannel error to errno
  exec: fix error handling in file_ram_alloc
  cputlb: modernise the debug support
  qemu-log: support simple pid substitution for logs
  target-arm: dfilter support for in_asm
  qemu-log: dfilter-ise exec, out_asm, op and opt_op
  qemu-log: new option -dfilter to limit output
  qemu-log: Improve the "exec" TB execution logging
  qemu-log: Avoid function call for disabled qemu_log_mask logging
  qemu-log: correct help text for -d cpu
  tcg: pass down TranslationBlock to tcg_code_gen
  util: move declarations out of qemu-common.h
  Replaced get_tick_per_sec() by NANOSECONDS_PER_SECOND
  hw: explicitly include qemu-common.h and cpu.h
  include/crypto: Include qapi-types.h or qemu/bswap.h instead of qemu-common.h
  isa: Move DMA_transfer_handler from qemu-common.h to hw/isa/isa.h
  Move ParallelIOArg from qemu-common.h to sysemu/char.h
  Move QEMU_ALIGN_*() from qemu-common.h to qemu/osdep.h
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

Conflicts:
	scripts/clean-includes
2016-03-24 21:42:40 +00:00
Veronia Bahaa
f348b6d1a5 util: move declarations out of qemu-common.h
Move declarations out of qemu-common.h for functions declared in
utils/ files: e.g. include/qemu/path.h for utils/path.c.
Move inline functions out of qemu-common.h and into new files (e.g.
include/qemu/bcd.h)

Signed-off-by: Veronia Bahaa <veroniabahaa@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-03-22 22:20:17 +01:00
Markus Armbruster
c80f6e9caa Clean up includes some more
Manually drop redundant includes that scripts/clean-includes misses,
e.g. because they're hidden in generator programs, or they use the
wrong kind of delimiter.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-03-22 22:20:16 +01:00
Markus Armbruster
da34e65cb4 include/qemu/osdep.h: Don't include qapi/error.h
Commit 57cb38b included qapi/error.h into qemu/osdep.h to get the
Error typedef.  Since then, we've moved to include qemu/osdep.h
everywhere.  Its file comment explains: "To avoid getting into
possible circular include dependencies, this file should not include
any other QEMU headers, with the exceptions of config-host.h,
compiler.h, os-posix.h and os-win32.h, all of which are doing a
similar job to this file and are under similar constraints."
qapi/error.h doesn't do a similar job, and it doesn't adhere to
similar constraints: it includes qapi-types.h.  That's in excess of
100KiB of crap most .c files don't actually need.

Add the typedef to qemu/typedefs.h, and include that instead of
qapi/error.h.  Include qapi/error.h in .c files that need it and don't
get it now.  Include qapi-types.h in qom/object.h for uint16List.

Update scripts/clean-includes accordingly.  Update it further to match
reality: replace config.h by config-target.h, add sysemu/os-posix.h,
sysemu/os-win32.h.  Update the list of includes in the qemu/osdep.h
comment quoted above similarly.

This reduces the number of objects depending on qapi/error.h from "all
of them" to less than a third.  Unfortunately, the number depending on
qapi-types.h shrinks only a little.  More work is needed for that one.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
[Fix compilation without the spice devel packages. - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-03-22 22:20:15 +01:00
Stefan Hajnoczi
a284974dee qemu-ga: drop unused local err variable
Commit 125b310e1d ("qemu-ga: move
channel/transport functionality into wrapper class") stopped using the
local err variable in channel_event_cb().

This patch deletes the unused variable.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2016-03-20 19:51:18 -05:00
Michael Roth
e55eb806db qga: fix w32 breakage due to missing osdep.h includes
requester.h relied on qemu/compiler.h definitions to
handle GCC_FMT_ATTR() stub, but this include was removed as part
of scripted clean-ups via 30456d5:

  all: Clean up includes

under the assumption that all C files would have included it via
qemu/osdep.h at that point. requester.cpp was likely missed
due to C++ files requiring manual/special handling as well as
VSS build options needing to be enabled to trigger build failures.

Fix this by including qemu/osdep.h. That in turn pulls in a
macro from qapi/error.h that conflicts with a struct field name
in requester.h, so fix that as well by renaming the field.

While we're at it, fix up provider.cpp/install.cpp to include
osdep.h as well.

Cc: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
2016-02-25 10:54:32 -06:00
Marc-André Lureau
8021de1013 qga: check utf8-to-utf16 conversion
UTF8 to UTF16 conversion can fail for genuine reasons, let's check errors.

Reported-by: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2016-02-25 09:48:52 -06:00
Marc-André Lureau
25d943b957 qga: fix off-by-one length check
Laszlo Ersek said: "The length check is off by one (in the safe direction); it
should be (nchars >= 2). The processing should be active for the wide string
L"\r\n" -- resulting in the empty wide string --, I believe."

Reported-by: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2016-02-25 09:48:51 -06:00
Marc-André Lureau
6c6916dac8 qga: use wide-chars constants for wchar_t comparisons
Reported-by: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2016-02-25 09:48:51 -06:00
Marc-André Lureau
6771197dff qga: use size_t for wcslen() return value
Reported-by: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2016-02-25 09:48:51 -06:00
Marc-André Lureau
02506e2d54 qga: use more idiomatic qemu-style eol operators
Reported-by: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2016-02-25 09:48:51 -06:00
Gal Hammer
a7a173624e qga: implement the guest-get-vcpus for windows
Signed-off-by: Gal Hammer <ghammer@redhat.com>
Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com>
* report rather than assert when VCPU count == 0
* fix up subject: s/set-vcpus/get-vcpus/
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2016-02-25 09:48:51 -06:00
Leonid Bloch
01fdadde80 qemu-ga: Fixed minor version switch issue
With automatically generated GUID, on minor version changes, an error
occurred, stating that there is a problem with the installer.
Now, a notification is shown, warning the user that another version of
this product is already installed, and that configuration or removal of
the existing version is possible through Add/Remove Programs on the
Control Panel (expected behavior).

Signed-off-by: Leonid Bloch <leonid@daynix.com>
Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2016-02-25 09:48:51 -06:00
Eric Blake
0b4b49387c qga: Support enum names in guest-file-seek
Magic constants are a pain to use, especially when we run the
risk that our choice of '1' for QGA_SEEK_CUR might differ from
the host or guest's choice of SEEK_CUR.  Better is to use an
enum value, via a qapi alternate type for back-compatibility.

With this,
 {"command":"guest-file-seek", "arguments":{"handle":1,
  "offset":0, "whence":"cur"}}
becomes a synonym for the older
 {"command":"guest-file-seek", "arguments":{"handle":1,
  "offset":0, "whence":1}}

Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2016-02-25 09:48:50 -06:00
Peter Maydell
30456d5ba3 all: Clean up includes
Clean up includes so that osdep.h is included first and headers
which it implies are not included manually.

This commit was created with scripts/clean-includes.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Eric Blake <eblake@redhat.com>
2016-02-23 12:43:05 +00:00
Peter Maydell
4459bf3866 qga: Clean up includes
Clean up includes so that osdep.h is included first and headers
which it implies are not included manually.

This commit was created with scripts/clean-includes.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1454089805-5470-9-git-send-email-peter.maydell@linaro.org
2016-02-04 17:41:30 +00:00
Markus Armbruster
9af9e0fed7 error: Strip trailing '\n' from error string arguments (again)
Commit 6daf194d, be62a2eb and 312fd5f got rid of a bunch, but they
keep coming back.  Tracked down with the Coccinelle semantic patch
from commit 312fd5f.

Cc: Fam Zheng <famz@redhat.com>
Cc: Peter Crosthwaite <crosthwaitepeter@gmail.com>
Cc: Bharata B Rao <bharata@linux.vnet.ibm.com>
Cc: Dominik Dingel <dingel@linux.vnet.ibm.com>
Cc: David Hildenbrand <dahi@linux.vnet.ibm.com>
Cc: Jason J. Herne <jjherne@linux.vnet.ibm.com>
Cc: Stefan Berger <stefanb@linux.vnet.ibm.com>
Cc: Dr. David Alan Gilbert <dgilbert@redhat.com>
Cc: Changchun Ouyang <changchun.ouyang@intel.com>
Cc: zhanghailiang <zhang.zhanghailiang@huawei.com>
Cc: Pavel Fedin <p.fedin@samsung.com>
Signed-off-by: Markus Armbruster <armbru@pond.sub.org>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Acked-by: Bharata B Rao <bharata@linux.vnet.ibm.com>
Acked-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <1450452927-8346-17-git-send-email-armbru@redhat.com>
2016-01-13 15:16:18 +01:00
Daniel P. Berrange
920639cab0 qga: convert to use error checked base64 decode
Switch from using g_base64_decode over to qbase64_decode
in order to get error checking of the base64 input data.

Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
2015-12-18 16:25:08 +00:00
Peter Maydell
a5df35070a QMP and QObject patches
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Merge remote-tracking branch 'remotes/armbru/tags/pull-monitor-2015-11-26' into staging

QMP and QObject patches

# gpg: Signature made Thu 26 Nov 2015 09:07:18 GMT using RSA key ID EB918653
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>"
# gpg:                 aka "Markus Armbruster <armbru@pond.sub.org>"

* remotes/armbru/tags/pull-monitor-2015-11-26:
  qjson: Limit number of tokens in addition to total size
  qjson: surprise, allocating 6 QObjects per token is expensive
  qjson: store tokens in a GQueue
  qjson: Convert to parser to recursive descent
  qjson: replace QString in JSONLexer with GString
  qjson: Inline token_is_escape() and simplify
  qjson: Inline token_is_keyword() and simplify
  qjson: Give each of the six structural chars its own token type
  qjson: Spell out some silent assumptions
  check-qjson: Add test for JSON nesting depth limit
  qjson: Don't crash when input exceeds nesting limit
  qjson: Apply nesting limit more sanely
  monitor: Plug memory leak on QMP error

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-11-26 16:27:26 +00:00
Paolo Bonzini
95385fe9ac qjson: store tokens in a GQueue
Even though we still have the "streamer" concept, the tokens can now
be deleted as they are read.  While doing so convert from QList to
GQueue, since the next step will make tokens not a QObject and we
will have to do the conversion anyway.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <1448300659-23559-4-git-send-email-pbonzini@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
2015-11-26 10:07:07 +01:00
Yuri Pudgorodskiy
44c6e00c3f qga: added another non-interactive gspawn() helper file.
With previous commit we added gspawn-win64-helper-console.exe,
required for gspawn() mingw implementation.
Unfortunatly when running as a service without interactive
desktop, gspawn() also requires another helper app.

Added gspawn-win64-helper.exe and gspawn-win32-helper.exe
for corresponding architectures.

Signed-off-by: Yuri Pudgorodskiy <yur@virtuozzo.com>
Signed-off-by: Denis V. Lunev <den@openvz.org>
CC: Michael Roth <mdroth@linux.vnet.ibm.com>
* remove trailing whitespace
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2015-11-25 17:56:45 -06:00
Eric Blake
0a982b1bf3 qga: Better mapping of SEEK_* in guest-file-seek
Exposing OS-specific SEEK_ constants in our qapi was a mistake
(if the host has SEEK_CUR as 1, but the guest has it as 2, then
the semantics are unclear what should happen); if we had a time
machine, we would instead expose only a symbolic enum.  It's too
late to change the fact that we have an integer in qapi, but we
can at least document what mapping we want to enforce for all
qga clients (and luckily, it happens to be the mapping that both
Linux and Windows use); then fix the code to match that mapping.
It also helps us filter out unsupported SEEK_DATA and SEEK_HOLE.

In the future, we may wish to move our QGA_SEEK_* constants into
qga/qapi-schema.json, along with updating the schema to take an
alternate type (either the integer, or the string value of the
enum name) - but that's too much risk during hard freeze.

Signed-off-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2015-11-25 17:56:45 -06:00
Marc-André Lureau
895b00f62a qga: flush explicitly when needed
According to the specification:
http://pubs.opengroup.org/onlinepubs/9699919799/functions/fopen.html

"the application shall ensure that output is not directly followed by
input without an intervening call to fflush() or to a file positioning
function (fseek(), fsetpos(), or rewind()), and input is not directly
followed by output without an intervening call to a file positioning
function, unless the input operation encounters end-of-file."

Without this change, an fwrite() followed by an fread() may lose the
previously written content, as shown in the following test.

Fixes:
https://bugzilla.redhat.com/show_bug.cgi?id=1210246

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
* don't confuse {write,read}() with f{write,read}() in
  commit msg (Laszlo)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2015-11-25 17:56:31 -06:00
Yuri Pudgorodskiy
f2b608ab80 qga: gspawn() console helper to Windows guest agent msi build
This helper, gspawn-win64-helper-console.exe for 64-bit and
gspawn-win32-helper-console.exe for 32-bit environment,
is needed for gspawn() mingw implementation, used by guest-exec command.

Without these files guest-exec command on Windows will not
work with "file not found" diagnostic message.

Signed-off-by: Yuri Pudgorodskiy <yur@virtuozzo.com>
Signed-off-by: Denis V. Lunev <den@openvz.org>
CC: Michael Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2015-11-25 10:21:55 -06:00
Yuri Pudgorodskiy
0be4083951 qga: allow to lookup in PATH from the passed envp for guest-exec
This was original behaviour before GLIB gspawn() rework and we rely on
this behaviour.

Signed-off-by: Yuri Pudgorodskiy <yur@virtuozzo.com>
Signed-off-by: Denis V. Lunev <den@openvz.org>
CC: Michael Roth <mdroth@linux.vnet.ibm.com>
* add version check (2.33.2) for G_SPAWN_SEARCH_PATH_FROM_ENVP
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2015-11-17 16:24:18 -06:00
Yuri Pudgorodskiy
02a4d82e8c qga: fix for default env processing for guest-exec
envp == NULL must be passed inside gspawn() if it was not passed with
the command line. Original code inherits environment from the QGA,
which is wrong.

Signed-off-by: Yuri Pudgorodskiy <yur@virtuozzo.com>
Signed-off-by: Denis V. Lunev <den@openvz.org>
CC: Michael Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2015-11-17 16:24:18 -06:00
Kirk Allan
52074d0f66 qga: fix append file open modes for win32
For append file open modes, use FILE_APPEND_DATA for the desired access
for writing at the end of the file.

Version 2:
For "a+", "ab+", and "a+b" modes use FILE_APPEND_DATA|GENERIC_READ.
ORing in GENERIC_READ starts a read at the begining of the file.  All
writes will append to the end fo the file.

Added white space to maintain the alignment of the guest_file_open_modes[].

Signed-off-by: Kirk Allan <kallan@suse.com>
Cc: qemu-stable@nongnu.org
* use FILE_GENERIC_APPEND macro, which provides same semantics as
  FILE_APPEND_DATA, but retains other flags from GENERIC_WRITE
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2015-11-11 10:21:02 -06:00
Olga Krishtal
fb68777312 qga: set file descriptor in qmp_guest_file_open non-blocking on Win32
Set fd non-blocking to avoid common use cases (like reading from a
named pipe) from hanging the agent. This was missed in the original
code.

The patch introduces qemu_set_handle_nonoblocking, the local analog
of qemu_set_nonblock for HANDLES.
The usage of handles in qemu_set_non/block is impossible, because for
win32 there is a difference between file discriptors and file handles,
and all file ops are made via Win32 api.

Signed-off-by: Olga Krishtal <okrishtal@parallels.com>
Signed-off-by: Denis V. Lunev <den@openvz.org>
CC: Michael Roth <mdroth@linux.vnet.ibm.com>
CC: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2015-11-04 07:37:56 -06:00
Olga Krishtal
c87d0964ef qga: fixed CloseHandle in qmp_guest_file_open
CloseHandle use HANDLE as an argument, but not *HANDLE

Signed-off-by: Olga Krishtal <okrishtal@parallels.com>
Signed-off-by: Denis V. Lunev <den@openvz.org>
Reviewed-by: Stefan Weil <sw@weilnetz.de>
CC: Michael Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2015-11-04 07:37:56 -06:00
Denis V. Lunev
125053965b qga: drop hand-made guest_file_toggle_flags helper
We'd better use generic qemu_set_nonblock directly.

Signed-off-by: Denis V. Lunev <den@openvz.org>
Reviewed-by: Yuri Pudgorodskiy <yur@virtuozzo.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
CC: Michael Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2015-11-04 07:37:56 -06:00
Markus Armbruster
89cad9f3ec qdict: Make conversion from QObject * accept null
qobject_to_qdict() crashes on null, which is a trap for the unwary.
Return null instead, and simplify a few callers.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <1444918537-18107-4-git-send-email-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Luiz Capitulino <lcapitulino@redhat.com>
2015-10-29 14:34:45 +01:00
Michael Roth
e853ea1cc6 qga: fix uninitialized value warning for win32
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2015-10-19 18:31:54 -05:00
Yuri Pudgorodskiy
a1853dca74 qga: guest-exec simple stdin/stdout/stderr redirection
Implemented with base64-encoded strings in qga json protocol.
Glib portable GIOChannel is used for data I/O.

Optinal stdin parameter of guest-exec command is now used as
stdin content for spawned subprocess.

If capture-output bool flag is specified, guest-exec redirects out/err
file descriptiors internally to pipes and collects subprocess
output.

Guest-exe-status is modified to return this collected data to requestor
in base64 encoding.

Signed-off-by: Yuri Pudgorodskiy <yur@virtuozzo.com>
Signed-off-by: Denis V. Lunev <den@openvz.org>
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
* switch from 'struct GuestIOExecData' to 'GuestIOExecData'
* s/TRUE/true/g, s/FALSE/false/g for gboolean return values
* s/inp_data/input_data/
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2015-10-19 18:31:54 -05:00
Yuri Pudgorodskiy
f74df9bfce qga: handle G_IO_STATUS_AGAIN in ga_channel_write_all()
glib may return G_IO_STATUS_AGAIN which is actually not an error.
Also fixed a bug when on incomplete write buf pointer was not adjusted.

Signed-off-by: Yuri Pudgorodskiy <yur@virtuozzo.com>
Signed-off-by: Denis V. Lunev <den@openvz.org>
Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2015-10-19 18:31:54 -05:00
Denis V. Lunev
4005b4732e qga: handle possible SIGPIPE in guest-file-write
qemu-ga should not exit on guest-file-write to pipe without read end
but proper error code should be returned. The behavior of the
spawned process should be default thus SIGPIPE processing should be
reset to default after fork() but before exec().

Signed-off-by: Denis V. Lunev <den@openvz.org>
Signed-off-by: Yuri Pudgorodskiy <yur@virtuozzo.com>
Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: Denis V. Lunev <den@openvz.org>
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2015-10-19 18:31:54 -05:00
Yuri Pudgorodskiy
d697e30cff qga: guest exec functionality
Guest-exec rewritten in platform-independent style with glib spawn.

Child process is spawn asynchronously and exit status can later
be picked up by guest-exec-status command.

stdin/stdout/stderr of the child now is redirected to /dev/null
Later we will add ability to specify stdin in guest-exec command
and to get collected stdout/stderr with guest-exec-status.

Signed-off-by: Yuri Pudgorodskiy <yur@virtuozzo.com>
Signed-off-by: Denis V. Lunev <den@openvz.org>
CC: Michael Roth <mdroth@linux.vnet.ibm.com>
* use g_new0 in place of g_malloc for GuestExec struct
* commit msg spelling fixes
* s/inp-data/input-data
* document capture-input mode as false by default
* use GetProcessId() for pids on w32 instead of casting HANDLE
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2015-10-19 18:31:53 -05:00