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Any time we have a string with no % passed through gettext, a
translator can inject a % to cause a stack overread. When there
is nothing to format, it's easier to ask for a string that cannot
be used as a formatter, by using a trivial "%s" format instead.
In the past, we have used --disable-nls to catch some of the
offenders, but that doesn't get run very often, and many more
uses have crept in. Syntax check to the rescue!
The syntax check can catch uses such as
virReportError(code,
_("split "
"string"));
by using a sed script to fold context lines into one pattern
space before checking for a string without %.
This patch is just mechanical insertion of %s; there are probably
several messages touched by this patch where we would be better
off giving the user more information than a fixed string.
* cfg.mk (sc_prohibit_diagnostic_without_format): New rule.
* src/datatypes.c (virUnrefConnect, virGetDomain)
(virUnrefDomain, virGetNetwork, virUnrefNetwork, virGetInterface)
(virUnrefInterface, virGetStoragePool, virUnrefStoragePool)
(virGetStorageVol, virUnrefStorageVol, virGetNodeDevice)
(virGetSecret, virUnrefSecret, virGetNWFilter, virUnrefNWFilter)
(virGetDomainSnapshot, virUnrefDomainSnapshot): Add %s wrapper.
* src/lxc/lxc_driver.c (lxcDomainSetBlkioParameters)
(lxcDomainGetBlkioParameters): Likewise.
* src/conf/domain_conf.c (virSecurityDeviceLabelDefParseXML)
(virDomainDiskDefParseXML, virDomainGraphicsDefParseXML):
Likewise.
* src/conf/network_conf.c (virNetworkDNSHostsDefParseXML)
(virNetworkDefParseXML): Likewise.
* src/conf/nwfilter_conf.c (virNWFilterIsValidChainName):
Likewise.
* src/conf/nwfilter_params.c (virNWFilterVarValueCreateSimple)
(virNWFilterVarAccessParse): Likewise.
* src/libvirt.c (virDomainSave, virDomainSaveFlags)
(virDomainRestore, virDomainRestoreFlags)
(virDomainSaveImageGetXMLDesc, virDomainSaveImageDefineXML)
(virDomainCoreDump, virDomainGetXMLDesc)
(virDomainMigrateVersion1, virDomainMigrateVersion2)
(virDomainMigrateVersion3, virDomainMigrate, virDomainMigrate2)
(virStreamSendAll, virStreamRecvAll)
(virDomainSnapshotGetXMLDesc): Likewise.
* src/nwfilter/nwfilter_dhcpsnoop.c (virNWFilterSnoopReqLeaseDel)
(virNWFilterDHCPSnoopReq): Likewise.
* src/openvz/openvz_driver.c (openvzUpdateDevice): Likewise.
* src/openvz/openvz_util.c (openvzKBPerPages): Likewise.
* src/qemu/qemu_cgroup.c (qemuSetupCgroup): Likewise.
* src/qemu/qemu_command.c (qemuBuildHubDevStr, qemuBuildChrChardevStr)
(qemuBuildCommandLine): Likewise.
* src/qemu/qemu_driver.c (qemuDomainGetPercpuStats): Likewise.
* src/qemu/qemu_hotplug.c (qemuDomainAttachNetDevice): Likewise.
* src/rpc/virnetsaslcontext.c (virNetSASLSessionGetIdentity):
Likewise.
* src/rpc/virnetsocket.c (virNetSocketNewConnectUNIX)
(virNetSocketSendFD, virNetSocketRecvFD): Likewise.
* src/storage/storage_backend_disk.c
(virStorageBackendDiskBuildPool): Likewise.
* src/storage/storage_backend_fs.c
(virStorageBackendFileSystemProbe)
(virStorageBackendFileSystemBuild): Likewise.
* src/storage/storage_backend_rbd.c
(virStorageBackendRBDOpenRADOSConn): Likewise.
* src/storage/storage_driver.c (storageVolumeResize): Likewise.
* src/test/test_driver.c (testInterfaceChangeBegin)
(testInterfaceChangeCommit, testInterfaceChangeRollback):
Likewise.
* src/vbox/vbox_tmpl.c (vboxListAllDomains): Likewise.
* src/xenxs/xen_sxpr.c (xenFormatSxprDisk, xenFormatSxpr):
Likewise.
* src/xenxs/xen_xm.c (xenXMConfigGetUUID, xenFormatXMDisk)
(xenFormatXM): Likewise.
We were defining 'func_or' as '|VIR_ERROR|...', which when put
inside 'func_re' resulted in a regex that matches everything in
isolation. Thankfully, we always used func_re with a leading
anchor \<, and since the empty regex does not start a word, we
happened to get the result we wanted; but it's better to define
func_or without a leading space converted into a leading empty
alternation.
* cfg.mk (func_or): Strip leading space.
Pick up some build fixes in the latest gnulib. In particular,
we want to ensure that official tarballs are secure, but don't
want to penalize people who don't run 'make dist', since fixed
automake still hasn't hit common platforms like Fedora 17.
* .gnulib: Update to latest, for Automake CVE-2012-3386 detection.
* bootstrap: Resync from gnulib.
* bootstrap.conf (gnulib_extra_files): Drop missing, since gnulib
has dropped it in favor of Automake's version.
* cfg.mk (local-checks-to-skip): Conditionally skip the security
check in cases where it doesn't matter.
Commands in node device group moved from virsh.c to virsh-nodedev.c,
* virsh.c: Remove commands in node device group.
* virsh-nodedev.c: New file, filled with commands in node device group
* po/POTFILES.in: Add virsh-nodedev.c
* cfg.mk: Skip to check config.h including for virsh-nodedev.c
Commands in host group moved from virsh.c to virsh-host.c,
* virsh.c: Remove commands in host group.
* virsh-host.c: New file, filled with commands in host group
* po/POTFILES.in: Add virsh-host.c
* cfg.mk: Skip to check config.h including for virsh-host.c
Commands to manage domain snapshot are moved from virsh.c to
virsh-snapshot.c.
* virsh.c: Remove domain snapshot commands.
* virsh-snapshot.c: New file, filled with domain snapshot commands.
* po/POTFILES.in: Add virsh-snapshot.c
* cfg.mk: Skip strcase and config.h including checking for
virsh-snapshot.c
Commands to manage secret are moved from virsh.c to virsh-secret.c,
with a few helpers for secret command use.
* virsh.c: Remove secret commands and a few helpers.
(vshCommandOptSecret, and vshCommandOptSecretBy)
* virsh-secret.c: New file, filled with secret commands and its helpers.
* po/POTFILES.in: Add virsh-secret.c
* cfg.mk: Skip to check config.h including for virsh-secret.c
Commands to manage network filter are moved from virsh.c to virsh-nwfilter.c,
with a few helpers for network filter command use.
* virsh.c: Remove network filter commands and a few helpers.
(vshCommandOptNWFilter, and vshCommandOptNWFilterBy)
* virsh-nwfilter.c: New file, filled with network filter commands and its helpers.
* po/POTFILES.in: Add virsh-nwfilter.c
* cfg.mk: Skip to check config.h including for virsh-nwfilter.c
Commands to manage host interface are moved from virsh.c to
virsh-interface.c, with a few helpers for interface command use.
* virsh.c: Remove interface commands and a few helpers.
(vshCommandOptInterface, vshCommandOptInterfaceBy)
* virsh-interface.c: New file, filled with interface commands and
its helpers.
* cfg.mk: Skip to check config.h including for virsh-interface.c
* po/POTFILES.in: Add virsh-interface.c
Commands to manage network are moved from virsh.c to virsh-network.c,
with a few helpers for network command use.
* virsh.c: Remove network commands and a few helpers.
* virsh-network.c: New file, filled with network commands and its
helpers.
* po/POTFILES.in: Add virsh-network.c
* cfg.mk: Skip to check config.h including for virsh-network.c
This splits commands of storage pool group into virsh-pool.c,
The helpers not for common use are moved too. Standard copyright
is added for the new file.
* tools/virsh.c:
Remove commands for storage storage pool and a few helpers.
(vshCommandOptVol, vshCommandOptVolBy).
* tools/virsh-pool.c:
New file, filled with commands of storage pool group and its
helpers.
* po/POTFILES.in:
Add virsh-pool.c
* cfg.mk:
Skip to check config.h including for virsh-pool.c
This splits commands of storage volume group into virsh-volume.c,
The helpers not for common use are moved too. Standard copyright
is added for the new file.
* tools/virsh.c:
Remove commands for storage storage volume and a few helpers.
(vshCommandOptVol, vshCommandOptVolBy).
* tools/virsh-volume.c:
New file, filled with commands of storage volume group and its
helpers.
* po/POTFILES.in:
Add virsh-volume.c
* cfg.mk:
Skip to check config.h including for virsh-volume.c
This splits commands to manage domain into virsh-domain.c,The helpers
not for common use are moved into them too. Standard copyright is added
for the new file.
* tools/virsh.c:
- Remove commands for domain group, and one helper
(vshDomainVcpuStateToString)
- vshStreamSink is moved before commands's definition for it's
also used by commands not of domain group, such as volUpload.
* tools/virsh-domain.c:
- New file, commands for domain group and the one helper are
moved into it.
* po/POTFILES.in:
- Add virsh-domain.c
* cfg.mk:
- Skip to check config.h including for virsh-domain.c
This splits commands commands to monitor domain status into
virsh-domain-monitor.c. The helpers not for common use are moved too.
Standard copyright is added.
* tools/virsh.c:
- Remove commands for domain monitoring group and a few helpers (
vshDomainIOErrorToString, vshGetDomainDescription,
vshDomainControlStateToString, vshDomainStateToString) not for
common use.
- Remove (incldue "intprops.h").
* tools/virsh-domain-monitor.c:
- New file, filled with commands of domain monitor group.
- Add "intprops.h".
* cfg.mk:
- Skip strcase checking for virsh-domain-monitor.c
- Skip to check config.h including for virsh-domain-monitor.c
* po/POTFILES.in
- Add virsh-domain-monitor.c
Update the legacy Xen drivers to use virReportError instead of
the statsError, virXenInotifyError, virXenStoreError,
virXendError, xenUnifiedError, xenXMError custom macros
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Update the libvirtd config handling code to use virReportError
instead of the virConfError custom macro
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Update the nodeinfo helper code to use virReportError instead
of the nodeReportError custom macro
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Update the security drivers to use virReportError instead of
the virSecurityReportError custom macro
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Update the Power-Hypervisor driver to use virReportError
instead of the PHYP_ERROR custom macro
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Update the ESX driver to use virReportError instead of
the ESX_ERROR & ESX_VI_ERROR custom macros
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
The Xen driver had a number of error reports which passed a
constant string without format specifiers and was missing
"%s". Furthermore the errors were related to failing system
calls, but virReportSystemError was not used. So the only
useful piece of info (the errno) was being discarded
Update the linux bridge driver to use virReportError instead
of the networkReportError custom macro
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Update the network filter driver to use virReportError instead
of the virNWFilterReportError custom macro
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Update the node device driver to use virReportError instead of
the virNodeDeviceReportError custom macro
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Update the secret driver to use virReportError instead of the
virSecretReportError custom macro
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Update the storage driver to use virReportError instead of
the virStorageReportError custom macro
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
This removes nearly all the per-file error reporting macros
from the code in src/util/. A few custom macros remain for the
case, where the file needs to report errors with a variety of
different codes or parameters
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Nearly every source file does something like
#define VIR_FROM_THIS VIR_FROM_FOO
#define virFooReportErorr(code, ...) \
virReportErrorHelper(VIR_FROM_THIS, code, __FILE__, \
__FUNCTION__, __LINE__, \
__VA_ARGS__)
This creates needless duplication and inconsistent error
reporting function names in each file. It is trivial to
just have virterror_internal.h provide a virReportError
macro that is equivalent
* src/util/virterror_internal.h: Define virReportError(code, ...)
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
The only useful translation of "%s" as a format string is "%s" (I
suppose you could claim "%1$s" is also valid, but why bother). So
it is not worth translating; fixing this exposes some instances
where we were failing to translate real error messages. This makes
the fix of commit 097da1ab more generic, as well as ensuring no
future regressions.
* cfg.mk (sc_prohibit_useless_translation): New rule.
* src/lxc/lxc_driver.c (lxcSetVcpuBWLive): Fix offender.
* src/openvz/openvz_conf.c (openvzReadFSConf): Likewise.
* src/qemu/qemu_cgroup.c (qemuSetupCgroupForVcpu): Likewise.
* src/qemu/qemu_driver.c (qemuSetVcpusBWLive): Likewise.
* src/xenapi/xenapi_utils.c (xenapiSessionErrorHandle): Likewise.
I noticed this during 'make syntax-check':
prohibit_readlink
grep: Unmatched ( or \(
* cfg.mk (exclude_file_name_regexp--sc_prohibit_readlink): Fix
mismatched '('.
Currently, we either generate some cmd*Edit commands (cmdPoolEdit
and cmdNetworkEdit) via sed script or copy the body of cmdEdit
(e.g. cmdInterfaceEdit, cmdNWFilterEdit, etc.). This fact makes
it harder to implement any new feature to our editing system.
Therefore switch to new implementation - define macros to:
- dump XML (EDIT_GET_XML)
- take an action if XML wasn't changed,
usually just vshPrint() (EDIT_NOT_CHANGED)
- define new object (EDIT_DEFINE) - the edited XML is in @doc_edited
- free object defined by EDIT_DEFINE (EDIT_FREE)
and #include "virsh-edit.c"
strncpy is generally evil - it runs the risk of missing NUL
termination, and more often than not wastes time zeroing way
more bytes than strictly necessary. We've avoided this evil
in our virStrncpy wrapper, except for places where we forgot
to use the wrapper; meanwhile, we have also added an even
higher layer wrapper for setting virTypedParameter values.
* tools/virsh.c (cmdMemtune, cmdBlkdeviotune): Use modern API.
* cfg.mk (exclude_file_name_regexp--sc_prohibit_strncpy): Tighten.
Gnulib finally relaxed the isatty license, needed as first mentioned here:
https://www.redhat.com/archives/libvir-list/2012-February/msg01022.html
Other improvements include better syntax-check rules (we can delete one
of ours now that it is a duplicate) and better compiler warning usage.
* .gnulib: Update to latest, for isatty.
* cfg.mk (sc_prohibit_strncpy): Drop a now-redundant rule.
* bootstrap.conf (gnulib_modules): Add isatty.
* bootstrap: Resync from gnulib.
Remove a number of pointless checks against PATH_MAX and
add a syntax-check rule to prevent its use in future
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
The use of readlink() in lxc_container.c is intentional; we don't
want an absolute pathname there.
* src/util/cgroup.h (VIR_CGROUP_SYSFS_MOUNT): Indent properly.
* cfg.mk (exclude_file_name_regexp--sc_prohibit_readlink): Add
exemption.
