libvirt/cfg.mk

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# Customize Makefile.maint. -*- makefile -*-
# Copyright (C) 2008-2015 Red Hat, Inc.
# Copyright (C) 2003-2008 Free Software Foundation, Inc.
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program. If not, see
# <http://www.gnu.org/licenses/>.
# Use alpha.gnu.org for alpha and beta releases.
# Use ftp.gnu.org for major releases.
gnu_ftp_host-alpha = alpha.gnu.org
gnu_ftp_host-beta = alpha.gnu.org
gnu_ftp_host-major = ftp.gnu.org
gnu_rel_host = $(gnu_ftp_host-$(RELEASE_TYPE))
url_dir_list = \
ftp://$(gnu_rel_host)/gnu/coreutils
# We use .gnulib, not gnulib.
gnulib_dir = $(srcdir)/.gnulib
# List of additional files that we want to pick up in our POTFILES.in
# This is all gnulib files, as well as generated files for RPC code.
generated_files = \
$(srcdir)/src/*/{remote_daemon,admin_server,log_daemon,lock_daemon}_dispatch_*stubs.h \
$(srcdir)/src/lxc/{lxc_monitor,lxc_controller}_dispatch.h \
$(srcdir)/src/remote/*_client_bodies.h \
$(srcdir)/src/*/*_protocol.[ch] \
$(srcdir)/gnulib/lib/*.[ch]
# We haven't converted all scripts to using gnulib's init.sh yet.
_test_script_regex = \<\(init\|test-lib\)\.sh\>
# Tests not to run as part of "make distcheck".
local-checks-to-skip = \
changelog-check \
makefile-check \
makefile_path_separator_check \
patch-check \
sc_GPL_version \
sc_always_defined_macros \
sc_cast_of_alloca_return_value \
sc_cross_check_PATH_usage_in_tests \
sc_dd_max_sym_length \
sc_error_exit_success \
sc_file_system \
sc_immutable_NEWS \
sc_makefile_path_separator_check \
sc_obsolete_symbols \
sc_prohibit_S_IS_definition \
sc_prohibit_atoi_atof \
sc_prohibit_hash_without_use \
sc_prohibit_jm_in_m4 \
sc_prohibit_quote_without_use \
sc_prohibit_quotearg_without_use \
sc_prohibit_stat_st_blocks \
sc_prohibit_undesirable_word_seq \
sc_root_tests \
sc_space_tab \
sc_sun_os_names \
sc_system_h_headers \
sc_texinfo_acronym \
sc_tight_scope \
sc_two_space_separator_in_usage \
sc_error_message_uppercase \
sc_program_name \
sc_require_test_exit_idiom \
sc_makefile_check \
sc_useless_cpp_parens
# Most developers don't run 'make distcheck'. We want the official
# dist to be secure, but don't want to penalize other developers
# using a distro that has not yet picked up the automake fix.
# FIXME remove this ifeq (making the syntax check unconditional)
# once fixed automake (1.11.6 or 1.12.2+) is more common.
ifeq ($(filter dist%, $(MAKECMDGOALS)), )
local-checks-to-skip += sc_vulnerable_makefile_CVE-2012-3386
else
distdir: sc_vulnerable_makefile_CVE-2012-3386.z
endif
# Files that should never cause syntax check failures.
VC_LIST_ALWAYS_EXCLUDE_REGEX = \
(^(docs/(news(-[0-9]*)?\.html\.in|.*\.patch))|\.(po|fig|gif|ico|png))$$
# Functions like free() that are no-ops on NULL arguments.
useless_free_options = \
--name=VBOX_UTF16_FREE \
--name=VBOX_UTF8_FREE \
--name=VBOX_COM_UNALLOC_MEM \
--name=VIR_FREE \
--name=qemuCapsFree \
--name=qemuMigrationCookieFree \
--name=qemuMigrationCookieGraphicsFree \
--name=sexpr_free \
--name=usbFreeDevice \
--name=virBandwidthDefFree \
--name=virBitmapFree \
--name=virCPUDefFree \
--name=virCapabilitiesFree \
--name=virCapabilitiesFreeGuest \
--name=virCapabilitiesFreeGuestDomain \
--name=virCapabilitiesFreeGuestFeature \
--name=virCapabilitiesFreeGuestMachine \
--name=virCapabilitiesFreeHostNUMACell \
--name=virCapabilitiesFreeMachines \
--name=virCgroupFree \
--name=virCommandFree \
--name=virConfFreeList \
--name=virConfFreeValue \
--name=virDomainActualNetDefFree \
--name=virDomainChrDefFree \
--name=virDomainChrSourceDefFree \
--name=virDomainControllerDefFree \
--name=virDomainDefFree \
--name=virDomainDeviceDefFree \
--name=virDomainDiskDefFree \
--name=virDomainEventCallbackListFree \
--name=virObjectEventQueueFree \
--name=virDomainFSDefFree \
--name=virDomainGraphicsDefFree \
--name=virDomainHostdevDefFree \
--name=virDomainInputDefFree \
--name=virDomainNetDefFree \
--name=virDomainObjFree \
--name=virDomainSmartcardDefFree \
--name=virDomainSnapshotDefFree \
--name=virDomainSnapshotObjFree \
--name=virDomainSoundDefFree \
--name=virDomainVideoDefFree \
--name=virDomainWatchdogDefFree \
--name=virFileDirectFdFree \
--name=virHashFree \
--name=virInterfaceDefFree \
--name=virInterfaceIpDefFree \
--name=virInterfaceObjFree \
--name=virInterfaceProtocolDefFree \
--name=virJSONValueFree \
--name=virLastErrFreeData \
--name=virNetMessageFree \
--name=virNetServerMDNSFree \
--name=virNetServerMDNSEntryFree \
--name=virNetServerMDNSGroupFree \
--name=virNWFilterDefFree \
--name=virNWFilterEntryFree \
--name=virNWFilterHashTableFree \
--name=virNWFilterIPAddrLearnReqFree \
--name=virNWFilterIncludeDefFree \
--name=virNWFilterObjFree \
--name=virNWFilterRuleDefFree \
--name=virNWFilterRuleInstFree \
--name=virNetworkDefFree \
--name=virNodeDeviceDefFree \
--name=virNodeDeviceObjFree \
--name=virObjectUnref \
--name=virObjectFreeCallback \
--name=virPCIDeviceFree \
--name=virSecretDefFree \
--name=virStorageEncryptionFree \
--name=virStorageEncryptionSecretFree \
--name=virStorageFileFreeMetadata \
--name=virStoragePoolDefFree \
--name=virStoragePoolObjFree \
--name=virStoragePoolSourceFree \
--name=virStorageVolDefFree \
--name=virThreadPoolFree \
--name=xmlBufferFree \
--name=xmlFree \
--name=xmlFreeDoc \
--name=xmlFreeNode \
--name=xmlXPathFreeContext \
--name=xmlXPathFreeObject
# The following template was generated by this command:
# make ID && aid free|grep '^vi'|sed 's/ .*//;s/^/# /'
# N virBufferFreeAndReset
# y virCPUDefFree
# y virCapabilitiesFree
# y virCapabilitiesFreeGuest
# y virCapabilitiesFreeGuestDomain
# y virCapabilitiesFreeGuestFeature
# y virCapabilitiesFreeGuestMachine
# y virCapabilitiesFreeHostNUMACell
# y virCapabilitiesFreeMachines
# N virCapabilitiesFreeNUMAInfo FIXME
# y virCgroupFree
# N virConfFree (diagnoses the "error")
# y virConfFreeList
# y virConfFreeValue
# y virDomainChrDefFree
# y virDomainControllerDefFree
# y virDomainDefFree
# y virDomainDeviceDefFree
# y virDomainDiskDefFree
# y virDomainEventCallbackListFree
# y virDomainEventQueueFree
# y virDomainFSDefFree
# n virDomainFree
# n virDomainFreeName (can't fix -- returns int)
# y virDomainGraphicsDefFree
# y virDomainHostdevDefFree
# y virDomainInputDefFree
# y virDomainNetDefFree
# y virDomainObjFree
# y virDomainSnapshotDefFree
# n virDomainSnapshotFree (returns int)
# n virDomainSnapshotFreeName (returns int)
# y virDomainSnapshotObjFree
# y virDomainSoundDefFree
# y virDomainVideoDefFree
# y virDomainWatchdogDefFree
# n virDrvNodeGetCellsFreeMemory (returns int)
# n virDrvNodeGetFreeMemory (returns long long)
# n virFree - dereferences param
# n virFreeError
# n virHashFree (takes 2 args)
# y virInterfaceDefFree
# n virInterfaceFree (returns int)
# n virInterfaceFreeName
# y virInterfaceIpDefFree
# y virInterfaceObjFree
# n virInterfaceObjListFree
# y virInterfaceProtocolDefFree
# y virJSONValueFree
# y virLastErrFreeData
# y virNWFilterDefFree
# y virNWFilterEntryFree
# n virNWFilterFree (returns int)
# y virNWFilterHashTableFree
# y virNWFilterIPAddrLearnReqFree
# y virNWFilterIncludeDefFree
# n virNWFilterFreeName (returns int)
# y virNWFilterObjFree
# n virNWFilterObjListFree FIXME
# y virNWFilterRuleDefFree
# n virNWFilterRuleFreeInstanceData (typedef)
# y virNWFilterRuleInstFree
# y virNetworkDefFree
# n virNetworkFree (returns int)
# n virNetworkFreeName (returns int)
# n virNodeDevCapsDefFree FIXME
# y virNodeDeviceDefFree
# n virNodeDeviceFree (returns int)
# y virNodeDeviceObjFree
# n virNodeDeviceObjListFree FIXME
# n virNodeGetCellsFreeMemory (returns int)
# n virNodeGetFreeMemory (returns non-void)
# y virSecretDefFree
# n virSecretFree (returns non-void)
# n virSecretFreeName (2 args)
# n virSecurityLabelDefFree FIXME
# n virStorageBackendDiskMakeFreeExtent (returns non-void)
# y virStorageEncryptionFree
# y virStorageEncryptionSecretFree
# n virStorageFreeType (enum)
# y virStoragePoolDefFree
# n virStoragePoolFree (returns non-void)
# n virStoragePoolFreeName (returns non-void)
# y virStoragePoolObjFree
# n virStoragePoolObjListFree FIXME
# y virStoragePoolSourceFree
# y virStorageVolDefFree
# n virStorageVolFree (returns non-void)
# n virStorageVolFreeName (returns non-void)
# n virStreamFree
# Avoid uses of write(2). Either switch to streams (fwrite), or use
# the safewrite wrapper.
sc_avoid_write:
@prohibit='\<write *\(' \
in_vc_files='\.c$$' \
halt='consider using safewrite instead of write' \
$(_sc_search_regexp)
# In debug statements, print flags as bitmask and mode_t as octal.
sc_flags_debug:
@prohibit='\<mode=%[0-9.]*[diuxo]' \
halt='use \"0%o\" to debug mode_t values' \
$(_sc_search_regexp)
@prohibit='[Ff]lags=%[0-9.]*l*[dioux]' \
halt='use \"0x%x\" to debug flag values' \
$(_sc_search_regexp)
# Prefer 'unsigned int flags', along with checks for unknown flags.
# For historical reasons, we are stuck with 'unsigned long flags' in
# migration, so check for those known 4 instances and no more in public
# API. Also check that no flags are marked unused, and 'unsigned' should
# appear before any declaration of a flags variable (achieved by
# prohibiting the word prior to the type from ending in anything other
# than d). The existence of long long, and of documentation about
# flags, makes the regex in the third test slightly harder.
sc_flags_usage:
@test "$$(cat $(srcdir)/include/libvirt/libvirt-domain.h \
$(srcdir)/include/libvirt/virterror.h \
$(srcdir)/include/libvirt/libvirt-qemu.h \
$(srcdir)/include/libvirt/libvirt-lxc.h \
$(srcdir)/include/libvirt/libvirt-admin.h \
| grep -c '\(long\|unsigned\) flags')" != 4 && \
{ echo '$(ME): new API should use "unsigned int flags"' 1>&2; \
exit 1; } || :
@prohibit=' flags ATTRIBUTE_UNUSED' \
halt='flags should be checked with virCheckFlags' \
$(_sc_search_regexp)
@prohibit='^[^@]*([^d] (int|long long)|[^dg] long) flags[;,)]' \
halt='flags should be unsigned' \
$(_sc_search_regexp)
# Avoid functions that should only be called via macro counterparts.
sc_prohibit_internal_functions:
util: add VIR_(APPEND|INSERT|DELETE)_ELEMENT I noticed when writing the backend functions for virNetworkUpdate that I was repeating the same sequence of memmove, VIR_REALLOC, nXXX-- (and messed up the args to memmove at least once), and had seen the same sequence in a lot of other places, so I decided to write a few utility functions/macros - see the .h file for full documentation. The intent is to reduce the number of lines of code, but more importantly to eliminate the need to check the element size and element count arithmetic every time we need to do this (I *always* make at least one mistake.) VIR_INSERT_ELEMENT: insert one element at an arbitrary index within an array of objects. The size of each object is determined automatically by the macro using sizeof(*array). The new element's contents are copied into the inserted space, then the original copy of contents are 0'ed out (if everything else was successful). Compile-time assignment and size compatibility between the array and the new element is guaranteed (see explanation below [*]) VIR_INSERT_ELEMENT_COPY: identical to VIR_INSERT_ELEMENT, except that the original contents of newelem are not cleared to 0 (i.e. a copy is made). VIR_APPEND_ELEMENT: This is just a special case of VIR_INSERT_ELEMENT that "inserts" one past the current last element. VIR_APPEND_ELEMENT_COPY: identical to VIR_APPEND_ELEMENT, except that the original contents of newelem are not cleared to 0 (i.e. a copy is made). VIR_DELETE_ELEMENT: delete one element at an arbitrary index within an array of objects. It's assumed that the element being deleted is already saved elsewhere (or cleared, if that's what is appropriate). All five of these macros have an _INPLACE variant, which skips the memory re-allocation of the array, assuming that the caller has already done it (when inserting) or will do it later (when deleting). Note that VIR_DELETE_ELEMENT* can return a failure, but only if an invalid index is given (index + amount to delete is > current array size), so in most cases you can safely ignore the return (that's why the helper function virDeleteElementsN isn't declared with ATTRIBUTE_RETURN_CHECK). A warning is logged if this ever happens, since it is surely a coding error. [*] One initial problem with the INSERT and APPEND macros was that, due to both the array pointer and newelem pointer being cast to void* when passing to virInsertElementsN(), any chance of type-checking was lost. If we were going to move in newelem with a memmove anyway, we would be no worse off for this. However, most current open-coded insert/append operations use direct struct assignment to move the new element into place (or just populate the new element directly) - thus use of the new macros would open a possibility for new usage errors that didn't exist before (e.g. accidentally sending &newelemptr rather than newelemptr - I actually did this quite a lot in my test conversions of existing code). But thanks to Eric Blake's clever thinking, I was able to modify the INSERT and APPEND macros so that they *do* check for both assignment and size compatibility of *ptr (an element in the array) and newelem (the element being copied into the new position of the array). This is done via clever use of the C89-guaranteed fact that the sizeof() operator must have *no* side effects (so an assignment inside sizeof() is checked for validity, but not actually evaluated), and the fact that virInsertElementsN has a "# of new elements" argument that we want to always be 1.
2012-10-08 17:33:35 +00:00
@prohibit='vir(Free|AllocN?|ReallocN|(Insert|Delete)ElementsN|File(Close|Fclose|Fdopen)) *\(' \
halt='use VIR_ macros instead of internal functions' \
$(_sc_search_regexp)
# Avoid raw malloc and free, except in documentation comments.
sc_prohibit_raw_allocation:
@prohibit='^.[^*].*\<((m|c|re)alloc|free) *\([^)]' \
halt='use VIR_ macros from viralloc.h instead of malloc/free' \
$(_sc_search_regexp)
# Avoid functions that can lead to double-close bugs.
sc_prohibit_close:
@prohibit='([^>.]|^)\<[fp]?close *\(' \
halt='use VIR_{FORCE_}[F]CLOSE instead of [f]close' \
$(_sc_search_regexp)
@prohibit='\<fdopen *\(' \
halt='use VIR_FDOPEN instead of fdopen' \
$(_sc_search_regexp)
# Prefer virCommand for all child processes.
sc_prohibit_fork_wrappers:
@prohibit='= *\<(fork|popen|system) *\(' \
halt='use virCommand for child processes' \
$(_sc_search_regexp)
# Prefer mkostemp with O_CLOEXEC.
sc_prohibit_mkstemp:
@prohibit='[^"]\<mkstemps? *\(' \
halt='use mkostemp with O_CLOEXEC instead of mkstemp' \
$(_sc_search_regexp)
# access with X_OK accepts directories, but we can't exec() those.
# access with F_OK or R_OK is okay, though.
sc_prohibit_access_xok:
@prohibit='access(at)? *\(.*X_OK' \
halt='use virFileIsExecutable instead of access(,X_OK)' \
$(_sc_search_regexp)
# Similar to the gnulib maint.mk rule for sc_prohibit_strcmp
# Use STREQLEN or STRPREFIX rather than comparing strncmp == 0, or != 0.
snp_ = strncmp *\(.+\)
sc_prohibit_strncmp:
@prohibit='! *strncmp *\(|\<$(snp_) *[!=]=|[!=]= *$(snp_)' \
exclude=':# *define STR(N?EQLEN|PREFIX)\(' \
halt='use STREQLEN or STRPREFIX instead of strncmp' \
$(_sc_search_regexp)
# strtol and friends are too easy to misuse
sc_prohibit_strtol:
@prohibit='\bstrto(u?ll?|[ui]max) *\(' \
exclude='exempt from syntax-check' \
halt='use virStrToLong_*, not strtol variants' \
$(_sc_search_regexp)
@prohibit='\bstrto[df] *\(' \
exclude='exempt from syntax-check' \
halt='use virStrToDouble, not strtod variants' \
$(_sc_search_regexp)
# Use virAsprintf rather than as'printf since *strp is undefined on error.
# But for plain %s, virAsprintf is overkill compared to strdup.
sc_prohibit_asprintf:
@prohibit='\<v?a[s]printf\>' \
halt='use virAsprintf, not asprintf' \
$(_sc_search_regexp)
@prohibit='virAsprintf.*, *"%s",' \
halt='use VIR_STRDUP instead of virAsprintf with "%s"' \
$(_sc_search_regexp)
sc_prohibit_strdup:
@prohibit='\<strn?dup\> *\(' \
halt='use VIR_STRDUP, not strdup' \
$(_sc_search_regexp)
# Prefer virSetUIDGID.
sc_prohibit_setuid:
@prohibit='\<set(re)?[ug]id\> *\(' \
halt='use virSetUIDGID, not raw set*id' \
$(_sc_search_regexp)
# Don't compare *id_t against raw -1.
sc_prohibit_risky_id_promotion:
@prohibit='\b(user|group|[ug]id) *[=!]= *-' \
halt='cast -1 to ([ug]id_t) before comparing against id' \
$(_sc_search_regexp)
# Use snprintf rather than s'printf, even if buffer is provably large enough,
# since gnulib has more guarantees for snprintf portability
sc_prohibit_sprintf:
@prohibit='\<[s]printf\>' \
halt='use snprintf, not sprintf' \
$(_sc_search_regexp)
sc_prohibit_readlink:
@prohibit='\<readlink *\(' \
halt='use virFileResolveLink, not readlink' \
$(_sc_search_regexp)
sc_prohibit_gethostname:
@prohibit='gethostname *\(' \
halt='use virGetHostname, not gethostname' \
$(_sc_search_regexp)
sc_prohibit_readdir:
@prohibit='\b(read|close|open)dir *\(' \
exclude='exempt from syntax-check' \
halt='use virDirOpen, virDirRead and VIR_DIR_CLOSE' \
$(_sc_search_regexp)
sc_prohibit_gettext_noop:
@prohibit='gettext_noop *\(' \
halt='use N_, not gettext_noop' \
$(_sc_search_regexp)
sc_prohibit_VIR_ERR_NO_MEMORY:
@prohibit='\<VIR_ERR_NO_MEMORY\>' \
halt='use virReportOOMError, not VIR_ERR_NO_MEMORY' \
$(_sc_search_regexp)
sc_prohibit_PATH_MAX:
@prohibit='\<PATH_MAX\>' \
halt='dynamically allocate paths, do not use PATH_MAX' \
$(_sc_search_regexp)
include $(srcdir)/Makefile.nonreentrant
sc_prohibit_nonreentrant:
@prohibit="\\<(${NON_REENTRANT_RE}) *\\(" \
halt="use re-entrant functions (usually ending with _r)" \
$(_sc_search_regexp)
sc_prohibit_select:
@prohibit='\<select *\(' \
halt='use poll(), not select()' \
$(_sc_search_regexp)
# Prohibit the inclusion of <ctype.h>.
sc_prohibit_ctype_h:
@prohibit='^# *include *<ctype\.h>' \
halt='use c-ctype.h instead of ctype.h' \
$(_sc_search_regexp)
build: use correct type for pid and similar types No thanks to 64-bit windows, with 64-bit pid_t, we have to avoid constructs like 'int pid'. Our API in libvirt-qemu cannot be changed without breaking ABI; but then again, libvirt-qemu can only be used on systems that support UNIX sockets, which rules out Windows (even if qemu could be compiled there) - so for all points on the call chain that interact with this API decision, we require a different variable name to make it clear that we audited the use for safety. Adding a syntax-check rule only solves half the battle; anywhere that uses printf on a pid_t still needs to be converted, but that will be a separate patch. * cfg.mk (sc_correct_id_types): New syntax check. * src/libvirt-qemu.c (virDomainQemuAttach): Document why we didn't use pid_t for pid, and validate for overflow. * include/libvirt/libvirt-qemu.h (virDomainQemuAttach): Tweak name for syntax check. * src/vmware/vmware_conf.c (vmwareExtractPid): Likewise. * src/driver.h (virDrvDomainQemuAttach): Likewise. * tools/virsh.c (cmdQemuAttach): Likewise. * src/remote/qemu_protocol.x (qemu_domain_attach_args): Likewise. * src/qemu_protocol-structs (qemu_domain_attach_args): Likewise. * src/util/cgroup.c (virCgroupPidCode, virCgroupKillInternal): Likewise. * src/qemu/qemu_command.c(qemuParseProcFileStrings): Likewise. (qemuParseCommandLinePid): Use pid_t for pid. * daemon/libvirtd.c (daemonForkIntoBackground): Likewise. * src/conf/domain_conf.h (_virDomainObj): Likewise. * src/probes.d (rpc_socket_new): Likewise. * src/qemu/qemu_command.h (qemuParseCommandLinePid): Likewise. * src/qemu/qemu_driver.c (qemudGetProcessInfo, qemuDomainAttach): Likewise. * src/qemu/qemu_process.c (qemuProcessAttach): Likewise. * src/qemu/qemu_process.h (qemuProcessAttach): Likewise. * src/uml/uml_driver.c (umlGetProcessInfo): Likewise. * src/util/virnetdev.h (virNetDevSetNamespace): Likewise. * src/util/virnetdev.c (virNetDevSetNamespace): Likewise. * tests/testutils.c (virtTestCaptureProgramOutput): Likewise. * src/conf/storage_conf.h (_virStoragePerms): Use mode_t, uid_t, and gid_t rather than int. * src/security/security_dac.c (virSecurityDACSetOwnership): Likewise. * src/conf/storage_conf.c (virStorageDefParsePerms): Avoid compiler warning.
2012-02-10 23:08:11 +00:00
# Insist on correct types for [pug]id.
sc_correct_id_types:
@prohibit='\<(int|long) *[pug]id\>' \
halt='use pid_t for pid, uid_t for uid, gid_t for gid' \
build: use correct type for pid and similar types No thanks to 64-bit windows, with 64-bit pid_t, we have to avoid constructs like 'int pid'. Our API in libvirt-qemu cannot be changed without breaking ABI; but then again, libvirt-qemu can only be used on systems that support UNIX sockets, which rules out Windows (even if qemu could be compiled there) - so for all points on the call chain that interact with this API decision, we require a different variable name to make it clear that we audited the use for safety. Adding a syntax-check rule only solves half the battle; anywhere that uses printf on a pid_t still needs to be converted, but that will be a separate patch. * cfg.mk (sc_correct_id_types): New syntax check. * src/libvirt-qemu.c (virDomainQemuAttach): Document why we didn't use pid_t for pid, and validate for overflow. * include/libvirt/libvirt-qemu.h (virDomainQemuAttach): Tweak name for syntax check. * src/vmware/vmware_conf.c (vmwareExtractPid): Likewise. * src/driver.h (virDrvDomainQemuAttach): Likewise. * tools/virsh.c (cmdQemuAttach): Likewise. * src/remote/qemu_protocol.x (qemu_domain_attach_args): Likewise. * src/qemu_protocol-structs (qemu_domain_attach_args): Likewise. * src/util/cgroup.c (virCgroupPidCode, virCgroupKillInternal): Likewise. * src/qemu/qemu_command.c(qemuParseProcFileStrings): Likewise. (qemuParseCommandLinePid): Use pid_t for pid. * daemon/libvirtd.c (daemonForkIntoBackground): Likewise. * src/conf/domain_conf.h (_virDomainObj): Likewise. * src/probes.d (rpc_socket_new): Likewise. * src/qemu/qemu_command.h (qemuParseCommandLinePid): Likewise. * src/qemu/qemu_driver.c (qemudGetProcessInfo, qemuDomainAttach): Likewise. * src/qemu/qemu_process.c (qemuProcessAttach): Likewise. * src/qemu/qemu_process.h (qemuProcessAttach): Likewise. * src/uml/uml_driver.c (umlGetProcessInfo): Likewise. * src/util/virnetdev.h (virNetDevSetNamespace): Likewise. * src/util/virnetdev.c (virNetDevSetNamespace): Likewise. * tests/testutils.c (virtTestCaptureProgramOutput): Likewise. * src/conf/storage_conf.h (_virStoragePerms): Use mode_t, uid_t, and gid_t rather than int. * src/security/security_dac.c (virSecurityDACSetOwnership): Likewise. * src/conf/storage_conf.c (virStorageDefParsePerms): Avoid compiler warning.
2012-02-10 23:08:11 +00:00
$(_sc_search_regexp)
# "const fooPtr a" is the same as "foo * const a", even though it is
# usually desired to have "foo const *a". It's easier to just prevent
# the confusing mix of typedef vs. const placement.
# Also requires that all 'fooPtr' typedefs are actually pointers.
sc_forbid_const_pointer_typedef:
@prohibit='(^|[^"])const \w*Ptr' \
halt='"const fooPtr var" does not declare what you meant' \
$(_sc_search_regexp)
@prohibit='typedef [^(]+ [^*]\w*Ptr\b' \
halt='use correct style and type for Ptr typedefs' \
$(_sc_search_regexp)
# Forbid sizeof foo or sizeof (foo), require sizeof(foo)
sc_size_of_brackets:
@prohibit='sizeof\s' \
halt='use sizeof(foo), not sizeof (foo) or sizeof foo' \
$(_sc_search_regexp)
# Ensure that no C source file, docs, or rng schema uses TABs for
# indentation. Also match *.h.in files, to get libvirt.h.in. Exclude
# files in gnulib, since they're imported.
space_indent_files=(\.(aug(\.in)?|rng|s?[ch](\.in)?|html.in|py|pl|syms)|(daemon|tools)/.*\.in)
sc_TAB_in_indentation:
@prohibit='^ * ' \
in_vc_files='$(space_indent_files)$$' \
halt='indent with space, not TAB, in C, sh, html, py, syms and RNG schemas' \
$(_sc_search_regexp)
ctype_re = isalnum|isalpha|isascii|isblank|iscntrl|isdigit|isgraph|islower\
|isprint|ispunct|isspace|isupper|isxdigit|tolower|toupper
sc_avoid_ctype_macros:
@prohibit='\b($(ctype_re)) *\(' \
in_vc_files='\.[ch]$$' \
halt='use c-ctype.h instead of ctype macros' \
$(_sc_search_regexp)
sc_avoid_strcase:
@prohibit='\bstrn?case(cmp|str) *\(' \
halt='use c-strcase.h instead of raw strcase functions' \
$(_sc_search_regexp)
sc_prohibit_virBufferAdd_with_string_literal:
@prohibit='\<virBufferAdd *\([^,]+, *"[^"]' \
halt='use virBufferAddLit, not virBufferAdd, with a string literal' \
$(_sc_search_regexp)
sc_prohibit_virBufferAsprintf_with_string_literal:
@prohibit='\<virBufferAsprintf *\([^,]+, *"([^%"\]|\\.|%%)*"\)' \
halt='use virBufferAddLit, not virBufferAsprintf, with a string literal' \
$(_sc_search_regexp)
sc_forbid_manual_xml_indent:
@prohibit='virBuffer.*" +<' \
halt='use virBufferAdjustIndent instead of spaces when indenting xml' \
$(_sc_search_regexp)
build: avoid unsafe functions in libgen.h POSIX says that both basename() and dirname() may return static storage (aka they need not be thread-safe); and that they may but not must modify their input argument. Furthermore, <libgen.h> is not available on all platforms. For these reasons, you should never use these functions in a multi-threaded library. Gnulib instead recommends a way to avoid the portability nightmare: gnulib's "dirname.h" provides useful thread-safe counterparts. The obvious dir_name() and base_name() are GPL (because they malloc(), but call exit() on failure) so we can't use them; but the LGPL variants mdir_name() (malloc's or returns NULL) and last_component (always points into the incoming string without modifying it, differing from basename semantics only on corner cases like the empty string that we shouldn't be hitting in the first place) are already in use in libvirt. This finishes the swap over to the safe functions. * cfg.mk (sc_prohibit_libgen): New rule. * src/util/vircgroup.c: Fix offenders. * src/parallels/parallels_storage.c (parallelsPoolAddByDomain): Likewise. * src/parallels/parallels_network.c (parallelsGetBridgedNetInfo): Likewise. * src/node_device/node_device_udev.c (udevProcessSCSIHost) (udevProcessSCSIDevice): Likewise. * src/storage/storage_backend_disk.c (virStorageBackendDiskDeleteVol): Likewise. * src/util/virpci.c (virPCIGetDeviceAddressFromSysfsLink): Likewise. * src/util/virstoragefile.h (_virStorageFileMetadata): Avoid false positive. Signed-off-by: Eric Blake <eblake@redhat.com>
2013-04-25 20:24:42 +00:00
# dirname and basename from <libgen.h> are not required to be thread-safe
sc_prohibit_libgen:
@prohibit='( (base|dir)name *\(|include .libgen\.h)' \
halt='use functions from gnulib "dirname.h", not <libgen.h>' \
build: avoid unsafe functions in libgen.h POSIX says that both basename() and dirname() may return static storage (aka they need not be thread-safe); and that they may but not must modify their input argument. Furthermore, <libgen.h> is not available on all platforms. For these reasons, you should never use these functions in a multi-threaded library. Gnulib instead recommends a way to avoid the portability nightmare: gnulib's "dirname.h" provides useful thread-safe counterparts. The obvious dir_name() and base_name() are GPL (because they malloc(), but call exit() on failure) so we can't use them; but the LGPL variants mdir_name() (malloc's or returns NULL) and last_component (always points into the incoming string without modifying it, differing from basename semantics only on corner cases like the empty string that we shouldn't be hitting in the first place) are already in use in libvirt. This finishes the swap over to the safe functions. * cfg.mk (sc_prohibit_libgen): New rule. * src/util/vircgroup.c: Fix offenders. * src/parallels/parallels_storage.c (parallelsPoolAddByDomain): Likewise. * src/parallels/parallels_network.c (parallelsGetBridgedNetInfo): Likewise. * src/node_device/node_device_udev.c (udevProcessSCSIHost) (udevProcessSCSIDevice): Likewise. * src/storage/storage_backend_disk.c (virStorageBackendDiskDeleteVol): Likewise. * src/util/virpci.c (virPCIGetDeviceAddressFromSysfsLink): Likewise. * src/util/virstoragefile.h (_virStorageFileMetadata): Avoid false positive. Signed-off-by: Eric Blake <eblake@redhat.com>
2013-04-25 20:24:42 +00:00
$(_sc_search_regexp)
# raw xmlGetProp requires some nasty casts
sc_prohibit_xmlGetProp:
@prohibit='\<xmlGetProp *\(' \
halt='use virXMLPropString, not xmlGetProp' \
$(_sc_search_regexp)
# xml(ParseURI|SaveUri) doesn't handle IPv6 URIs well
sc_prohibit_xmlURI:
@prohibit='\<xml(ParseURI|SaveUri) *\(' \
halt='use virURI(Parse|Format), not xml(ParseURI|SaveUri)' \
$(_sc_search_regexp)
# we don't want old old-style return with parentheses around argument
sc_prohibit_return_as_function:
@prohibit='\<return *\(([^()]*(\([^()]*\)[^()]*)*)\) *;' \
halt='avoid extra () with return statements' \
$(_sc_search_regexp)
# ATTRIBUTE_UNUSED should only be applied in implementations, not
# header declarations
sc_avoid_attribute_unused_in_header:
@prohibit='^[^#]*ATTRIBUTE_UNUSED([^:]|$$)' \
in_vc_files='\.h$$' \
halt='use ATTRIBUTE_UNUSED in .c rather than .h files' \
$(_sc_search_regexp)
sc_prohibit_int_index:
@prohibit='\<(int|unsigned)\s*\*?index\>(\s|,|;)' \
halt='use different name than 'index' for declaration' \
$(_sc_search_regexp)
sc_prohibit_int_ijk:
@prohibit='\<(int|unsigned) ([^(=]* )*(i|j|k)\>(\s|,|;)' \
exclude='exempt from syntax-check' \
halt='use size_t, not int/unsigned int for loop vars i, j, k' \
$(_sc_search_regexp)
sc_prohibit_loop_iijjkk:
@prohibit='\<(int|unsigned) ([^=]+ )*(ii|jj|kk)\>(\s|,|;)' \
halt='use i, j, k for loop iterators, not ii, jj, kk' \
$(_sc_search_regexp)
# RHEL 5 gcc can't grok "for (int i..."
sc_prohibit_loop_var_decl:
@prohibit='\<for *\(\w+[ *]+\w+' \
in_vc_files='\.[ch]$$' \
halt='declare loop iterators outside the for statement' \
$(_sc_search_regexp)
# Use 'bool', not 'int', when assigning true or false
sc_prohibit_int_assign_bool:
@prohibit='\<int\>.*= *(true|false)' \
halt='use bool type for boolean values' \
$(_sc_search_regexp)
sc_prohibit_unsigned_pid:
@prohibit='\<unsigned\> [^,=;(]+pid' \
halt='use signed type for pid values' \
$(_sc_search_regexp)
# Many of the function names below came from this filter:
# git grep -B2 '\<_('|grep -E '\.c- *[[:alpha:]_][[:alnum:]_]* ?\(.*[,;]$' \
# |sed 's/.*\.c- *//'|perl -pe 's/ ?\(.*//'|sort -u \
# |grep -vE '^(qsort|if|close|assert|fputc|free|N_|vir.*GetName|.*Unlock|virNodeListDevices|virHashRemoveEntry|freeaddrinfo|.*[fF]ree|xdrmem_create|xmlXPathFreeObject|virUUIDFormat|openvzSetProgramSentinal|polkit_action_unref)$'
msg_gen_function =
msg_gen_function += VIR_ERROR
msg_gen_function += lxcError
msg_gen_function += regerror
msg_gen_function += vah_error
msg_gen_function += vah_warning
msg_gen_function += virGenericReportError
msg_gen_function += virRaiseError
msg_gen_function += virReportError
msg_gen_function += virReportErrorHelper
msg_gen_function += virReportSystemError
msg_gen_function += xenapiSessionErrorHandler
# Uncomment the following and run "make syntax-check" to see diagnostics
# that are not yet marked for translation, but that need to be rewritten
# so that they are translatable.
# msg_gen_function += fprintf
# msg_gen_function += testError
# msg_gen_function += vshPrint
# msg_gen_function += vshError
space =
space +=
func_re= ($(subst $(space),|,$(msg_gen_function)))
# Look for diagnostics that aren't marked for translation.
# This won't find any for which error's format string is on a separate line.
# The sed filters eliminate false-positives like these:
# _("...: "
# "%s", _("no storage vol w..."
sc_libvirt_unmarked_diagnostics:
@prohibit='\<$(func_re) *\([^"]*"[^"]*[a-z]{3}' \
exclude='_\(' \
halt='found unmarked diagnostic(s)' \
$(_sc_search_regexp)
@{ grep -nE '\<$(func_re) *\(.*;$$' $$($(VC_LIST_EXCEPT)); \
grep -A1 -nE '\<$(func_re) *\(.*,$$' $$($(VC_LIST_EXCEPT)); } \
| $(SED) 's/_("\([^\"]\|\\.\)\+"//;s/[ ]"%s"//' \
| grep '[ ]"' && \
{ echo '$(ME): found unmarked diagnostic(s)' 1>&2; \
exit 1; } || :
# Like the above, but prohibit a newline at the end of a diagnostic.
# This is subject to false positives partly because it naively looks for
# `\n"', which may not be the end of the string, and also because it takes
# two lines of context (the -A2) after the line with the function name.
# FIXME: this rule might benefit from a separate function list, in case
# there are functions to which this one applies but that do not get marked
# diagnostics.
sc_prohibit_newline_at_end_of_diagnostic:
@grep -A2 -nE \
'\<$(func_re) *\(' $$($(VC_LIST_EXCEPT)) \
| grep '\\n"' \
&& { echo '$(ME): newline at end of message(s)' 1>&2; \
exit 1; } || :
maint: don't permit format strings without % 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.
2012-07-23 20:33:08 +00:00
# Look for diagnostics that lack a % in the format string, except that we
# allow VIR_ERROR to do this, and ignore functions that take a single
# string rather than a format argument.
sc_prohibit_diagnostic_without_format:
@{ grep -nE '\<$(func_re) *\(.*;$$' $$($(VC_LIST_EXCEPT)); \
maint: don't permit format strings without % 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.
2012-07-23 20:33:08 +00:00
grep -A2 -nE '\<$(func_re) *\(.*,$$' $$($(VC_LIST_EXCEPT)); } \
| $(SED) -rn -e ':l; /[,"]$$/ {N;b l;}' \
-e '/(xenapiSessionErrorHandler|vah_(error|warning))/d' \
-e '/\<$(func_re) *\([^"]*"([^%"]|"\n[^"]*")*"[,)]/p' \
| grep -vE 'VIR_ERROR' && \
{ echo '$(ME): found diagnostic without %' 1>&2; \
maint: don't permit format strings without % 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.
2012-07-23 20:33:08 +00:00
exit 1; } || :
# The strings "" and "%s" should never be marked for translation.
# Files under tests/ and examples/ should not be translated.
sc_prohibit_useless_translation:
@prohibit='_\("(%s)?"\)' \
halt='found useless translation' \
$(_sc_search_regexp)
@prohibit='\<N?_ *\(' \
in_vc_files='(tests|examples)/' \
halt='no translations in tests or examples' \
$(_sc_search_regexp)
# When splitting a diagnostic across lines, ensure that there is a space
# or \n on one side of the split.
sc_require_whitespace_in_translation:
@grep -n -A1 '"$$' $$($(VC_LIST_EXCEPT)) \
| $(SED) -ne ':l; /"$$/ {N;b l;}; s/"\n[^"]*"/""/g; s/\\n/ /g' \
-e '/_(.*[^\ ]""[^\ ]/p' | grep . && \
{ echo '$(ME): missing whitespace at line split' 1>&2; \
exit 1; } || :
# Enforce recommended preprocessor indentation style.
sc_preprocessor_indentation:
@if cppi --version >/dev/null 2>&1; then \
$(VC_LIST_EXCEPT) | grep -E '\.[ch](\.in)?$$' | xargs cppi -a -c \
|| { echo '$(ME): incorrect preprocessor indentation' 1>&2; \
exit 1; }; \
else \
echo '$(ME): skipping test $@: cppi not installed' 1>&2; \
fi
# Enforce similar spec file indentation style, by running cppi on a
# (comment-only) C file that mirrors the same layout as the spec file.
sc_spec_indentation:
@if cppi --version >/dev/null 2>&1; then \
for f in $$($(VC_LIST_EXCEPT) | grep '\.spec\.in$$'); do \
$(SED) -e 's|#|// #|; s|%ifn*\(arch\)* |#if a // |' \
-e 's/%\(else\|endif\|define\)/#\1/' \
-e 's/^\( *\)\1\1\1#/#\1/' \
-e 's|^\( *[^#/ ]\)|// \1|; s|^\( */[^/]\)|// \1|' $$f \
| cppi -a -c 2>&1 | $(SED) "s|standard input|$$f|"; \
done | { if grep . >&2; then false; else :; fi; } \
|| { echo '$(ME): incorrect preprocessor indentation' 1>&2; \
exit 1; }; \
else \
echo '$(ME): skipping test $@: cppi not installed' 1>&2; \
fi
# Nested conditionals are easier to understand if we enforce that endifs
# can be paired back to the if
sc_makefile_conditionals:
@prohibit='(else|endif)($$| *#)' \
in_vc_files='Makefile\.am' \
halt='match "if FOO" with "endif FOO" in Makefiles' \
$(_sc_search_regexp)
# Long lines can be harder to diff; too long, and git send-email chokes.
# For now, only enforce line length on files where we have intentionally
# fixed things and don't want to regress.
sc_prohibit_long_lines:
@prohibit='.{90}' \
in_vc_files='\.arg[sv]' \
halt='Wrap long lines in expected output files' \
$(_sc_search_regexp)
@prohibit='.{80}' \
in_vc_files='Makefile\.am' \
halt='Wrap long lines in Makefiles' \
$(_sc_search_regexp)
sc_copyright_format:
@require='Copyright .*Red 'Hat', Inc\.' \
containing='Copyright .*Red 'Hat \
halt='Red Hat copyright is missing Inc.' \
$(_sc_search_regexp)
@prohibit='Copyright [^(].*Red 'Hat \
halt='consistently use (C) in Red Hat copyright' \
$(_sc_search_regexp)
@prohibit='\<RedHat\>' \
halt='spell Red Hat as two words' \
$(_sc_search_regexp)
# Prefer the new URL listing over the old street address listing when
# calling out where to get a copy of the [L]GPL. Also, while we have
# to ship COPYING (GPL) alongside COPYING.LESSER (LGPL), we want any
# source file that calls out a top-level file to call out the LGPL
# version. Note that our typical copyright boilerplate refers to the
# license by name, not by reference to a top-level file.
sc_copyright_usage:
@prohibit=Boston,' MA' \
halt='Point to <http://www.gnu.org/licenses/>, not an address' \
$(_sc_search_regexp)
@require='COPYING\.LESSER' \
containing='COPYING' \
halt='Refer to COPYING.LESSER for LGPL' \
$(_sc_search_regexp)
@prohibit='COPYING\.LIB' \
halt='Refer to COPYING.LESSER for LGPL' \
$(_sc_search_regexp)
# Some functions/macros produce messages intended solely for developers
# and maintainers. Do not mark them for translation.
sc_prohibit_gettext_markup:
@prohibit='\<VIR_(WARN|INFO|DEBUG) *\(_\(' \
halt='do not mark these strings for translation' \
$(_sc_search_regexp)
# Our code is divided into modular subdirectories for a reason, and
# lower-level code must not include higher-level headers.
cross_dirs=$(patsubst $(srcdir)/src/%.,%,$(wildcard $(srcdir)/src/*/.))
cross_dirs_re=($(subst / ,/|,$(cross_dirs)))
mid_dirs=access|admin|conf|cpu|locking|logging|rpc|security
sc_prohibit_cross_inclusion:
@for dir in $(cross_dirs); do \
case $$dir in \
util/) safe="util";; \
access/ | conf/) safe="($$dir|conf|util)";; \
cpu/| network/| node_device/| rpc/| security/| storage/) \
safe="($$dir|util|conf|storage)";; \
xenapi/ | xenconfig/ ) safe="($$dir|util|conf|xen|cpu)";; \
*) safe="($$dir|$(mid_dirs)|util)";; \
esac; \
in_vc_files="^src/$$dir" \
prohibit='^# *include .$(cross_dirs_re)' \
exclude="# *include .$$safe" \
halt='unsafe cross-directory include' \
$(_sc_search_regexp) \
done
# When converting an enum to a string, make sure that we track any new
# elements added to the enum by using a _LAST marker.
sc_require_enum_last_marker:
@grep -A1 -nE '^[^#]*VIR_ENUM_IMPL *\(' $$($(VC_LIST_EXCEPT)) \
| $(SED) -ne '/VIR_ENUM_IMPL[^,]*,$$/N' \
-e '/VIR_ENUM_IMPL[^,]*,[^,]*[^_,][^L,][^A,][^S,][^T,],/p' \
-e '/VIR_ENUM_IMPL[^,]*,[^,]\{0,4\},/p' \
| grep . && \
{ echo '$(ME): enum impl needs to use _LAST marker' 1>&2; \
exit 1; } || :
# In Python files we don't want to end lines with a semicolon like in C
sc_prohibit_semicolon_at_eol_in_python:
@prohibit='^[^#].*\;$$' \
in_vc_files='\.py$$' \
halt='python does not require to end lines with a semicolon' \
$(_sc_search_regexp)
# mymain() in test files should use return, not exit, for nicer output
sc_prohibit_exit_in_tests:
@prohibit='\<exit *\(' \
in_vc_files='tests/.*\.c$$' \
halt='use return, not exit(), in tests' \
$(_sc_search_regexp)
# Don't include "libvirt/*.h" in "" form.
sc_prohibit_include_public_headers_quote:
@prohibit='# *include *"libvirt/.*\.h"' \
in_vc_files='\.[ch]$$' \
halt='Do not include libvirt/*.h in internal source' \
$(_sc_search_regexp)
# Don't include "libvirt/*.h" in <> form. Except for external tools,
# e.g. Python binding, examples and tools subdirectories.
sc_prohibit_include_public_headers_brackets:
@prohibit='# *include *<libvirt/.*\.h>' \
in_vc_files='\.[ch]$$' \
halt='Do not include libvirt/*.h in internal source' \
$(_sc_search_regexp)
# <config.h> is only needed in .c files; .h files do not need it since
# .c files must include config.h before any other .h.
sc_prohibit_config_h_in_headers:
@prohibit='^# *include\>.*config\.h' \
in_vc_files='\.h$$' \
halt='headers should not include <config.h>' \
$(_sc_search_regexp)
sc_prohibit_unbounded_arrays_in_rpc:
@prohibit='<>' \
in_vc_files='\.x$$' \
halt='Arrays in XDR must have a upper limit set for <NNN>' \
$(_sc_search_regexp)
sc_prohibit_getenv:
@prohibit='\b(secure_)?getenv *\(' \
exclude='exempt from syntax-check' \
halt='Use virGetEnv{Allow,Block}SUID instead of getenv' \
$(_sc_search_regexp)
sc_prohibit_atoi:
@prohibit='\bato(i|f|l|ll|q) *\(' \
halt='Use virStrToLong* instead of atoi, atol, atof, atoq, atoll' \
$(_sc_search_regexp)
sc_prohibit_wrong_filename_in_comment:
@fail=0; \
awk 'BEGIN { \
fail=0; \
} FNR < 3 { \
n=match($$0, /[[:space:]][^[:space:]]*[.][ch][[:space:]:]/); \
if (n > 0) { \
A=substr($$0, RSTART+1, RLENGTH-2); \
n=split(FILENAME, arr, "/"); \
if (A != arr[n]) { \
print "in " FILENAME ": " A " mentioned in comments "; \
fail=1; \
} \
} \
} END { \
if (fail == 1) { \
exit 1; \
} \
}' $$($(VC_LIST_EXCEPT) | grep '\.[ch]$$') || fail=1; \
if test $$fail -eq 1; then \
{ echo '$(ME): The file name in comments must match the' \
'actual file name' 1>&2; exit 1; } \
fi;
sc_prohibit_virConnectOpen_in_virsh:
@prohibit='\bvirConnectOpen[a-zA-Z]* *\(' \
in_vc_files='tools/virsh-.*\.[ch]$$' \
halt='Use vshConnect() in virsh instead of virConnectOpen*' \
$(_sc_search_regexp)
sc_require_space_before_label:
@prohibit='^( ?)?[_a-zA-Z0-9]+:$$' \
in_vc_files='\.[ch]$$' \
halt='Top-level labels should be indented by one space' \
$(_sc_search_regexp)
# Allow for up to three spaces before the label: this is to avoid running
# into situations where neither this rule nor require_space_before_label
# would apply, eg. a line matching ^[a-zA-Z0-9]+ :$
sc_prohibit_space_in_label:
@prohibit='^ {0,3}[_a-zA-Z0-9]+ +:$$' \
in_vc_files='\.[ch]$$' \
halt='There should be no space between label name and colon' \
$(_sc_search_regexp)
# Doesn't catch all cases of mismatched braces across if-else, but it helps
sc_require_if_else_matching_braces:
@prohibit='( else( if .*\))? {|} else( if .*\))?$$)' \
in_vc_files='\.[chx]$$' \
halt='if one side of if-else uses {}, both sides must use it' \
$(_sc_search_regexp)
sc_curly_braces_style:
@files=$$($(VC_LIST_EXCEPT) | grep '\.[ch]$$'); \
if $(GREP) -nHP \
'^\s*(?!([a-zA-Z_]*for_?each[a-zA-Z_]*) ?\()([_a-zA-Z0-9]+( [_a-zA-Z0-9]+)* ?\()?(\*?[_a-zA-Z0-9]+(,? \*?[_a-zA-Z0-9\[\]]+)+|void)\) ?\{' \
$$files; then \
echo '$(ME): Non-K&R style used for curly braces around' \
'function body' 1>&2; exit 1; \
fi; \
if $(GREP) -A1 -En ' ((if|for|while|switch) \(|(else|do)\b)[^{]*$$'\
$$files | $(GREP) '^[^ ]*- *{'; then \
echo '$(ME): Use hanging braces for compound statements' 1>&2; exit 1; \
fi
sc_prohibit_windows_special_chars_in_filename:
@files=$$($(VC_LIST_EXCEPT) | grep '[:*?"<>|]'); \
test -n "$$files" && { echo '$(ME): Windows special chars' \
'in filename not allowed:' 1>&2; echo $$files 1>&2; exit 1; } || :
sc_prohibit_mixed_case_abbreviations:
@prohibit='Pci|Usb|Scsi' \
in_vc_files='\.[ch]$$' \
halt='Use PCI, USB, SCSI, not Pci, Usb, Scsi' \
$(_sc_search_regexp)
# Require #include <locale.h> in all files that call setlocale()
sc_require_locale_h:
@require='include.*locale\.h' \
containing='setlocale *(' \
halt='setlocale() requires <locale.h>' \
$(_sc_search_regexp)
sc_prohibit_empty_first_line:
@awk 'BEGIN { fail=0; } \
FNR == 1 { if ($$0 == "") { print FILENAME ":1:"; fail=1; } } \
END { if (fail == 1) { \
print "$(ME): Prohibited empty first line" > "/dev/stderr"; \
} exit fail; }' $$($(VC_LIST_EXCEPT));
sc_prohibit_paren_brace:
@prohibit='\)\{$$' \
in_vc_files='\.[chx]$$' \
halt='Put space between closing parenthesis and opening brace' \
$(_sc_search_regexp)
# C guarantees that static variables are zero initialized, and some compilers
# waste space by sticking explicit initializers in .data instead of .bss
sc_prohibit_static_zero_init:
@prohibit='\bstatic\b.*= *(0[^xX0-9]|NULL|false)' \
in_vc_files='\.[chx](\.in)?$$' \
halt='static variables do not need explicit zero initialization'\
$(_sc_search_regexp)
# FreeBSD exports the "devname" symbol which produces a warning.
sc_prohibit_devname:
@prohibit='\bdevname\b' \
exclude='sc_prohibit_devname' \
halt='avoid using devname as FreeBSD exports the symbol' \
$(_sc_search_regexp)
sc_prohibit_system_error_with_vir_err:
@prohibit='\bvirReportSystemError *\(VIR_ERR_' \
halt='do not use virReportSystemError with VIR_ERR_* error codes' \
$(_sc_search_regexp)
# Rule to prohibit usage of virXXXFree within library, daemon, remote, etc.
# functions. There's a corresponding exclude to allow usage within tests,
# docs, examples, tools, src/libvirt-*.c, and include/libvirt/libvirt-*.h
sc_prohibit_virXXXFree:
@prohibit='\bvir(Domain|Network|NodeDevice|StorageVol|StoragePool|Stream|Secret|NWFilter|Interface|DomainSnapshot)Free\b' \
exclude='sc_prohibit_virXXXFree' \
halt='avoid using virXXXFree, use virObjectUnref instead' \
$(_sc_search_regexp)
sc_prohibit_sysconf_pagesize:
@prohibit='sysconf\(_SC_PAGESIZE' \
halt='use virGetSystemPageSize[KB] instead of sysconf(_SC_PAGESIZE)' \
$(_sc_search_regexp)
sc_prohibit_virSecurity:
@grep -Pn 'virSecurityManager(?!Ptr)' $$($(VC_LIST_EXCEPT) | grep 'src/qemu/' | \
grep -v 'src/qemu/qemu_security') && \
{ echo '$(ME): prefer qemuSecurity wrappers' 1>&2; exit 1; } || :
sc_prohibit_pthread_create:
@prohibit='\bpthread_create\b' \
exclude='sc_prohibit_pthread_create' \
halt='avoid using pthread_create, use virThreadCreate instead' \
$(_sc_search_regexp)
sc_prohibit_not_streq:
@prohibit='! *STRN?EQ *\(.*\)' \
halt='Use STRNEQ instead of !STREQ and STREQ instead of !STRNEQ' \
$(_sc_search_regexp)
sc_prohibit_verbose_strcat:
@prohibit='strncat\([^,]*,\s+([^,]*),\s+strlen\(\1\)\)' \
in_vc_files='\.[ch]$$' \
halt='Use strcat(a, b) instead of strncat(a, b, strlen(b))' \
$(_sc_search_regexp)
# Ensure that each .c file containing a "main" function also
# calls virGettextInitialize
sc_gettext_init:
@require='virGettextInitialize *\(' \
in_vc_files='\.c$$' \
containing='\<main *(' \
halt='the above files do not call virGettextInitialize' \
$(_sc_search_regexp)
sc_prohibit_obj_free_apis_in_virsh:
@prohibit='\bvir(Domain|DomainSnapshot)Free\b' \
in_vc_files='virsh.*\.[ch]$$' \
exclude='sc_prohibit_obj_free_apis_in_virsh' \
halt='avoid using virDomain(Snapshot)Free in virsh, use virsh-prefixed wrappers instead' \
$(_sc_search_regexp)
https_sites = www.libvirt.org
https_sites += libvirt.org
https_sites += security.libvirt.org
https_sites += qemu.org
https_sites += www.qemu.org
https_sites += wiki.qemu.org
https_sites += linux-kvm.org
https_sites += www.linux-kvm.org
https_re= ($(subst $(space),|,$(https_sites)))
sc_prohibit_http_urls:
@prohibit='http://$(https_re)' \
exclude="/schemas/" \
halt='Links must use https:// protocol' \
$(_sc_search_regexp)
# Alignment is usually achieved through spaces (at least two of them)
# or tabs (at least one of them) right before the trailing backslash
sc_prohibit_backslash_alignment:
@prohibit='( | )\\$$' \
in_vc_files='*\.([chx]|am|mk)$$' \
halt='Do not attempt to right-align backslashes' \
$(_sc_search_regexp)
# We don't use this feature of maint.mk.
prev_version_file = /dev/null
maint: detect VPATH builds when checking for gnulib update I accidentally typed 'make' in the srcdir of a VPATH build, and was surprised to see this: $ make /bin/sh: s/^[ +-]//;s/ .*//: No such file or directory INFO: gnulib update required; running ./autogen.sh first make: -n: Command not found ./autogen.sh I am going to run ./configure with no arguments - if you wish to pass any to it, please specify them on the ./autogen.sh command line. running bootstrap... ./bootstrap: Bootstrapping from checked-out libvirt sources... ./bootstrap: getting gnulib files... Oops - we're trying to execute some fairly bogus command names, and then trying to configure in-tree (which breaks all existing VPATH builds, since automake refuses to do a VPATH build if it detects an in-tree configure). The third line (executing "-n") is fixed by updating to the latest gnulib; the rest of the problem is fixed by copying the same filtering in our cfg.mk as what gnulib just added, so that we avoid any $(shell) invocations which in turn depend on variables that are only populated by a working Makefile. With that in place, we are back to the much nicer: $ make There seems to be no Makefile in this directory. You must run ./configure before running 'make'. make: *** [abort-due-to-no-makefile] Error 1 Additionally, although harder to see - there was a trailing space in the message warning us that autogen would run an in-tree configure. * .gnulib: Update to latest, in part for maint.mk improvements. * cfg.mk (_update_required): Don't check for update in unconfigured directory. * autogen.sh (no_git): Drop trailing space. Signed-off-by: Eric Blake <eblake@redhat.com>
2014-06-04 21:48:20 +00:00
ifneq ($(_gl-Makefile),)
ifeq (0,$(MAKELEVEL))
_dry_run_result := $(shell \
cd '$(srcdir)'; \
test -d .git || test -f .git || { echo 0; exit; }; \
$(srcdir)/autogen.sh --dry-run >/dev/null 2>&1; \
echo $$?; \
)
_clean_requested = $(filter %clean,$(MAKECMDGOALS))
# A return value of 0 means no action is required
# A return value of 1 means a genuine error has occurred while
# performing the dry run, and it should be reported so it can
# be investigated
ifeq (1,$(_dry_run_result))
$(info INFO: autogen.sh error, running again to show details)
maint.mk Makefile: _autogen_error
endif
# A return value of 2 means that autogen.sh needs to be executed
# in earnest before building, probably because of gnulib updates.
# We don't run autogen.sh if the clean target has been invoked,
# though, as it would be quite pointless
ifeq (2,$(_dry_run_result)$(_clean_requested))
$(info INFO: running autogen.sh is required, running it now...)
$(shell touch $(srcdir)/AUTHORS $(srcdir)/ChangeLog)
maint.mk Makefile: _autogen
endif
endif
maint: detect VPATH builds when checking for gnulib update I accidentally typed 'make' in the srcdir of a VPATH build, and was surprised to see this: $ make /bin/sh: s/^[ +-]//;s/ .*//: No such file or directory INFO: gnulib update required; running ./autogen.sh first make: -n: Command not found ./autogen.sh I am going to run ./configure with no arguments - if you wish to pass any to it, please specify them on the ./autogen.sh command line. running bootstrap... ./bootstrap: Bootstrapping from checked-out libvirt sources... ./bootstrap: getting gnulib files... Oops - we're trying to execute some fairly bogus command names, and then trying to configure in-tree (which breaks all existing VPATH builds, since automake refuses to do a VPATH build if it detects an in-tree configure). The third line (executing "-n") is fixed by updating to the latest gnulib; the rest of the problem is fixed by copying the same filtering in our cfg.mk as what gnulib just added, so that we avoid any $(shell) invocations which in turn depend on variables that are only populated by a working Makefile. With that in place, we are back to the much nicer: $ make There seems to be no Makefile in this directory. You must run ./configure before running 'make'. make: *** [abort-due-to-no-makefile] Error 1 Additionally, although harder to see - there was a trailing space in the message warning us that autogen would run an in-tree configure. * .gnulib: Update to latest, in part for maint.mk improvements. * cfg.mk (_update_required): Don't check for update in unconfigured directory. * autogen.sh (no_git): Drop trailing space. Signed-off-by: Eric Blake <eblake@redhat.com>
2014-06-04 21:48:20 +00:00
endif
# It is necessary to call autogen any time gnulib changes. Autogen
# reruns configure, then we regenerate all Makefiles at once.
.PHONY: _autogen
_autogen:
$(srcdir)/autogen.sh
./config.status
.PHONY: _autogen_error
_autogen_error:
$(srcdir)/autogen.sh --dry-run
maint: detect VPATH builds when checking for gnulib update I accidentally typed 'make' in the srcdir of a VPATH build, and was surprised to see this: $ make /bin/sh: s/^[ +-]//;s/ .*//: No such file or directory INFO: gnulib update required; running ./autogen.sh first make: -n: Command not found ./autogen.sh I am going to run ./configure with no arguments - if you wish to pass any to it, please specify them on the ./autogen.sh command line. running bootstrap... ./bootstrap: Bootstrapping from checked-out libvirt sources... ./bootstrap: getting gnulib files... Oops - we're trying to execute some fairly bogus command names, and then trying to configure in-tree (which breaks all existing VPATH builds, since automake refuses to do a VPATH build if it detects an in-tree configure). The third line (executing "-n") is fixed by updating to the latest gnulib; the rest of the problem is fixed by copying the same filtering in our cfg.mk as what gnulib just added, so that we avoid any $(shell) invocations which in turn depend on variables that are only populated by a working Makefile. With that in place, we are back to the much nicer: $ make There seems to be no Makefile in this directory. You must run ./configure before running 'make'. make: *** [abort-due-to-no-makefile] Error 1 Additionally, although harder to see - there was a trailing space in the message warning us that autogen would run an in-tree configure. * .gnulib: Update to latest, in part for maint.mk improvements. * cfg.mk (_update_required): Don't check for update in unconfigured directory. * autogen.sh (no_git): Drop trailing space. Signed-off-by: Eric Blake <eblake@redhat.com>
2014-06-04 21:48:20 +00:00
ifneq ($(_gl-Makefile),)
syntax-check: spacing-check test-wrap-argv \
prohibit-duplicate-header mock-noinline
maint: detect VPATH builds when checking for gnulib update I accidentally typed 'make' in the srcdir of a VPATH build, and was surprised to see this: $ make /bin/sh: s/^[ +-]//;s/ .*//: No such file or directory INFO: gnulib update required; running ./autogen.sh first make: -n: Command not found ./autogen.sh I am going to run ./configure with no arguments - if you wish to pass any to it, please specify them on the ./autogen.sh command line. running bootstrap... ./bootstrap: Bootstrapping from checked-out libvirt sources... ./bootstrap: getting gnulib files... Oops - we're trying to execute some fairly bogus command names, and then trying to configure in-tree (which breaks all existing VPATH builds, since automake refuses to do a VPATH build if it detects an in-tree configure). The third line (executing "-n") is fixed by updating to the latest gnulib; the rest of the problem is fixed by copying the same filtering in our cfg.mk as what gnulib just added, so that we avoid any $(shell) invocations which in turn depend on variables that are only populated by a working Makefile. With that in place, we are back to the much nicer: $ make There seems to be no Makefile in this directory. You must run ./configure before running 'make'. make: *** [abort-due-to-no-makefile] Error 1 Additionally, although harder to see - there was a trailing space in the message warning us that autogen would run an in-tree configure. * .gnulib: Update to latest, in part for maint.mk improvements. * cfg.mk (_update_required): Don't check for update in unconfigured directory. * autogen.sh (no_git): Drop trailing space. Signed-off-by: Eric Blake <eblake@redhat.com>
2014-06-04 21:48:20 +00:00
endif
Document bracket whitespace rules & add syntax-check rule This documents the following whitespace rules if(foo) // Bad if (foo) // Good int foo (int wizz) // Bad int foo(int wizz) // Good bar = foo (wizz); // Bad bar = foo(wizz); // Good typedef int (*foo) (int wizz); // Bad typedef int (*foo)(int wizz); // Good int foo( int wizz ); // Bad int foo(int wizz); // Good There is a syntax-check rule extension to validate all these rules. Checking for 'function (...args...)' is quite difficult since it needs to ignore valid usage with keywords like 'if (...test...)' and while/for/switch. It must also ignore source comments and quoted strings. It is not possible todo this with a simple regex in the normal syntax-check style. So a short Perl script is created instead to analyse the source. In practice this works well enough. The only thing it can't cope with is multi-line quoted strings of the form "start of string\ more lines\ more line\ the end" but this can and should be written as "start of string" "more lines" "more line" "the end" with this simple change, the bracket checking script does not have any false positives across libvirt source, provided it is only run against .c files. It is not practical to run it against .h files, since those use whitespace extensively to get alignment (though this is somewhat inconsistent and could arguably be fixed). The only limitation is that it cannot detect a violation where the first arg starts with a '*', eg foo(*wizz); since this generates too many false positives on function typedefs which can't be supressed efficiently. Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
2012-10-17 09:25:35 +00:00
# Don't include duplicate header in the source (either *.c or *.h)
prohibit-duplicate-header:
$(AM_V_GEN)files=$$($(VC_LIST_EXCEPT) | grep '\.[chx]$$'); \
$(PERL) -W $(top_srcdir)/build-aux/prohibit-duplicate-header.pl $$files
spacing-check:
Document bracket whitespace rules & add syntax-check rule This documents the following whitespace rules if(foo) // Bad if (foo) // Good int foo (int wizz) // Bad int foo(int wizz) // Good bar = foo (wizz); // Bad bar = foo(wizz); // Good typedef int (*foo) (int wizz); // Bad typedef int (*foo)(int wizz); // Good int foo( int wizz ); // Bad int foo(int wizz); // Good There is a syntax-check rule extension to validate all these rules. Checking for 'function (...args...)' is quite difficult since it needs to ignore valid usage with keywords like 'if (...test...)' and while/for/switch. It must also ignore source comments and quoted strings. It is not possible todo this with a simple regex in the normal syntax-check style. So a short Perl script is created instead to analyse the source. In practice this works well enough. The only thing it can't cope with is multi-line quoted strings of the form "start of string\ more lines\ more line\ the end" but this can and should be written as "start of string" "more lines" "more line" "the end" with this simple change, the bracket checking script does not have any false positives across libvirt source, provided it is only run against .c files. It is not practical to run it against .h files, since those use whitespace extensively to get alignment (though this is somewhat inconsistent and could arguably be fixed). The only limitation is that it cannot detect a violation where the first arg starts with a '*', eg foo(*wizz); since this generates too many false positives on function typedefs which can't be supressed efficiently. Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
2012-10-17 09:25:35 +00:00
$(AM_V_GEN)files=`$(VC_LIST) | grep '\.c$$'`; \
$(PERL) $(top_srcdir)/build-aux/check-spacing.pl $$files || \
{ echo '$(ME): incorrect formatting' 1>&2; exit 1; }
mock-noinline:
$(AM_V_GEN)files=`$(VC_LIST) | grep '\.[ch]$$'`; \
$(PERL) $(top_srcdir)/build-aux/mock-noinline.pl $$files
test-wrap-argv:
$(AM_V_GEN)files=`$(VC_LIST) | grep -E '\.(ldargs|args)'`; \
$(PERL) $(top_srcdir)/tests/test-wrap-argv.pl --check $$files
# sc_po_check can fail if generated files are not built first
sc_po_check: \
$(srcdir)/src/remote/remote_daemon_dispatch_stubs.h \
$(srcdir)/src/remote/remote_daemon_dispatch_qemu_stubs.h \
$(srcdir)/src/remote/remote_client_bodies.h \
$(srcdir)/src/admin/admin_server_dispatch_stubs.h \
$(srcdir)/src/admin/admin_client.h
$(srcdir)/src/remote/remote_daemon_dispatch_stubs.h: $(srcdir)/src/remote/remote_protocol.x
$(MAKE) -C src remote/remote_daemon_dispatch_stubs.h
$(srcdir)/src/remote/remote_daemon_dispatch_qemu_stubs.h: $(srcdir)/src/remote/qemu_protocol.x
$(MAKE) -C src remote/remote_daemon_dispatch_qemu_stubs.h
$(srcdir)/src/remote/remote_client_bodies.h: $(srcdir)/src/remote/remote_protocol.x
$(MAKE) -C src remote/remote_client_bodies.h
$(srcdir)/src/admin/admin_server_dispatch_stubs.h: $(srcdir)/src/admin/admin_protocol.x
$(MAKE) -C src admin/admin_server_dispatch_stubs.h
$(srcdir)/src/admin/admin_client.h: $(srcdir)/src/admin/admin_protocol.x
$(MAKE) -C src admin/admin_client.h
# List all syntax-check exemptions:
exclude_file_name_regexp--sc_avoid_strcase = ^tools/vsh\.h$$
_src1=libvirt-stream|qemu/qemu_monitor|util/vir(command|file|fdstream)|xen/xend_internal|rpc/virnetsocket|lxc/lxc_controller|locking/lock_daemon|logging/log_daemon
Stop linking tests/commandhelper to libvirt code The commandhelper binary is a helper for commandtest that validates what file handles were inherited. For this to work reliably we must not have any libraries that leak file descriptors into commandhelper. Unfortunately some versions of gnutls will intentionally open file handles at library load time via a constructor function. We previously hacked around this in commit 4cbc15d037e1cd8abf5c4aa6acc30d83ae13e34d Author: Martin Kletzander <mkletzan@redhat.com> Date: Fri May 2 09:55:52 2014 +0200 tests: don't fail with newer gnutls gnutls-3.3.0 and newer leaves 2 FDs open in order to be backwards compatible when it comes to chrooted binaries [1]. Linking commandhelper with gnutls then leaves these two FDs open and commandtest fails thanks to that. This patch does not link commandhelper with libvirt.la, but rather only the utilities making the test pass. Based on suggestion from Daniel [2]. [1] http://lists.gnutls.org/pipermail/gnutls-help/2014-April/003429.html [2] https://www.redhat.com/archives/libvir-list/2014-April/msg01119.html That fix relied on fact that while libvirt.so linked with gnutls, libvirt_util.la did not link to it. With the introduction of the util/vircrypto.c file that assumption is no longer valid. We must not link to libvirt_util.la at all - only gnulib and libc can (hopefully) be relied on not to open random file descriptors in constructors. Reviewed-by: Martin Kletzander <mkletzan@redhat.com> Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
2017-09-20 11:03:47 +00:00
_test1=shunloadtest|virnettlscontexttest|virnettlssessiontest|vircgroupmock|commandhelper
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^cfg\.mk$$
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^COPYING(|\.LESSER)$$
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^(cfg\.mk|docs/|src/util/virnetdevtap\.c$$|tests/((vir(cgroup|pci|test|usb)|nss|qemuxml2argv)mock|virfilewrapper)\.c$$)
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Stop linking tests/commandhelper to libvirt code The commandhelper binary is a helper for commandtest that validates what file handles were inherited. For this to work reliably we must not have any libraries that leak file descriptors into commandhelper. Unfortunately some versions of gnutls will intentionally open file handles at library load time via a constructor function. We previously hacked around this in commit 4cbc15d037e1cd8abf5c4aa6acc30d83ae13e34d Author: Martin Kletzander <mkletzan@redhat.com> Date: Fri May 2 09:55:52 2014 +0200 tests: don't fail with newer gnutls gnutls-3.3.0 and newer leaves 2 FDs open in order to be backwards compatible when it comes to chrooted binaries [1]. Linking commandhelper with gnutls then leaves these two FDs open and commandtest fails thanks to that. This patch does not link commandhelper with libvirt.la, but rather only the utilities making the test pass. Based on suggestion from Daniel [2]. [1] http://lists.gnutls.org/pipermail/gnutls-help/2014-April/003429.html [2] https://www.redhat.com/archives/libvir-list/2014-April/msg01119.html That fix relied on fact that while libvirt.so linked with gnutls, libvirt_util.la did not link to it. With the introduction of the util/vircrypto.c file that assumption is no longer valid. We must not link to libvirt_util.la at all - only gnulib and libc can (hopefully) be relied on not to open random file descriptors in constructors. Reviewed-by: Martin Kletzander <mkletzan@redhat.com> Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
2017-09-20 11:03:47 +00:00
^(docs/|examples/|src/util/virstring\.c|tests/vir(netserverclient|cgroup)mock.c|tests/commandhelper\.c$$)
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Stop linking tests/commandhelper to libvirt code The commandhelper binary is a helper for commandtest that validates what file handles were inherited. For this to work reliably we must not have any libraries that leak file descriptors into commandhelper. Unfortunately some versions of gnutls will intentionally open file handles at library load time via a constructor function. We previously hacked around this in commit 4cbc15d037e1cd8abf5c4aa6acc30d83ae13e34d Author: Martin Kletzander <mkletzan@redhat.com> Date: Fri May 2 09:55:52 2014 +0200 tests: don't fail with newer gnutls gnutls-3.3.0 and newer leaves 2 FDs open in order to be backwards compatible when it comes to chrooted binaries [1]. Linking commandhelper with gnutls then leaves these two FDs open and commandtest fails thanks to that. This patch does not link commandhelper with libvirt.la, but rather only the utilities making the test pass. Based on suggestion from Daniel [2]. [1] http://lists.gnutls.org/pipermail/gnutls-help/2014-April/003429.html [2] https://www.redhat.com/archives/libvir-list/2014-April/msg01119.html That fix relied on fact that while libvirt.so linked with gnutls, libvirt_util.la did not link to it. With the introduction of the util/vircrypto.c file that assumption is no longer valid. We must not link to libvirt_util.la at all - only gnulib and libc can (hopefully) be relied on not to open random file descriptors in constructors. Reviewed-by: Martin Kletzander <mkletzan@redhat.com> Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
2017-09-20 11:03:47 +00:00
(\.p[yl]$$|\.spec\.in$$|^docs/|^(src/util/virfile\.c|src/libvirt-stream\.c|tests/vir.+mock\.c|tests/commandhelper\.c)$$)
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(^tests/(qemuhelp|virhostcpu|virpcitest)data/|docs/js/.*\.js|docs/fonts/.*\.woff|\.diff|tests/virconfdata/no-newline\.conf$$)
_src2=src/(util/vircommand|libvirt|lxc/lxc_controller|locking/lock_daemon|logging/log_daemon|remote/remote_daemon)
exclude_file_name_regexp--sc_prohibit_fork_wrappers = \
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log: fix deadlock obtaining hostname (related CVE-2018-6764) The fix for CVE-2018-6764 introduced a potential deadlock scenario that gets triggered by the NSS module when virGetHostname() calls getaddrinfo to resolve the hostname: #0 0x00007f6e714b57e7 in futex_wait #1 futex_wait_simple #2 __pthread_once_slow #3 0x00007f6e71d16e7d in virOnce #4 0x00007f6e71d0997c in virLogInitialize #5 0x00007f6e71d0a09a in virLogVMessage #6 0x00007f6e71d09ffd in virLogMessage #7 0x00007f6e71d0db22 in virObjectNew #8 0x00007f6e71d0dbf1 in virObjectLockableNew #9 0x00007f6e71d0d3e5 in virMacMapNew #10 0x00007f6e71cdc50a in findLease #11 0x00007f6e71cdcc56 in _nss_libvirt_gethostbyname4_r #12 0x00007f6e724631fc in gaih_inet #13 0x00007f6e72464697 in __GI_getaddrinfo #14 0x00007f6e71d19e81 in virGetHostnameImpl #15 0x00007f6e71d1a057 in virGetHostnameQuiet #16 0x00007f6e71d09936 in virLogOnceInit #17 0x00007f6e71d09952 in virLogOnce #18 0x00007f6e714b5829 in __pthread_once_slow #19 0x00007f6e71d16e7d in virOnce #20 0x00007f6e71d0997c in virLogInitialize #21 0x00007f6e71d0a09a in virLogVMessage #22 0x00007f6e71d09ffd in virLogMessage #23 0x00007f6e71d0db22 in virObjectNew #24 0x00007f6e71d0dbf1 in virObjectLockableNew #25 0x00007f6e71d0d3e5 in virMacMapNew #26 0x00007f6e71cdc50a in findLease #27 0x00007f6e71cdc839 in _nss_libvirt_gethostbyname3_r #28 0x00007f6e71cdc724 in _nss_libvirt_gethostbyname2_r #29 0x00007f6e7248f72f in __gethostbyname2_r #30 0x00007f6e7248f494 in gethostbyname2 #31 0x000056348c30c36d in hosts_keys #32 0x000056348c30b7d2 in main Fortunately the extra stuff virGetHostname does is totally irrelevant to the needs of the logging code, so we can just inline a call to the native hostname() syscall directly. Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2018-02-12 10:03:08 +00:00
exclude_file_name_regexp--sc_prohibit_gethostname = ^src/util/vir(util|log)\.c$$
exclude_file_name_regexp--sc_prohibit_internal_functions = \
2012-12-13 17:44:57 +00:00
^src/(util/(viralloc|virutil|virfile)\.[hc]|esx/esx_vi\.c)$$
exclude_file_name_regexp--sc_prohibit_newline_at_end_of_diagnostic = \
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exclude_file_name_regexp--sc_prohibit_nonreentrant = \
^((po|tests)/|docs/.*(py|js|html\.in)|run.in$$|tools/wireshark/util/genxdrstub\.pl$$)
exclude_file_name_regexp--sc_prohibit_select = \
^cfg\.mk$$
exclude_file_name_regexp--sc_prohibit_raw_allocation = \
Stop linking tests/commandhelper to libvirt code The commandhelper binary is a helper for commandtest that validates what file handles were inherited. For this to work reliably we must not have any libraries that leak file descriptors into commandhelper. Unfortunately some versions of gnutls will intentionally open file handles at library load time via a constructor function. We previously hacked around this in commit 4cbc15d037e1cd8abf5c4aa6acc30d83ae13e34d Author: Martin Kletzander <mkletzan@redhat.com> Date: Fri May 2 09:55:52 2014 +0200 tests: don't fail with newer gnutls gnutls-3.3.0 and newer leaves 2 FDs open in order to be backwards compatible when it comes to chrooted binaries [1]. Linking commandhelper with gnutls then leaves these two FDs open and commandtest fails thanks to that. This patch does not link commandhelper with libvirt.la, but rather only the utilities making the test pass. Based on suggestion from Daniel [2]. [1] http://lists.gnutls.org/pipermail/gnutls-help/2014-April/003429.html [2] https://www.redhat.com/archives/libvir-list/2014-April/msg01119.html That fix relied on fact that while libvirt.so linked with gnutls, libvirt_util.la did not link to it. With the introduction of the util/vircrypto.c file that assumption is no longer valid. We must not link to libvirt_util.la at all - only gnulib and libc can (hopefully) be relied on not to open random file descriptors in constructors. Reviewed-by: Martin Kletzander <mkletzan@redhat.com> Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
2017-09-20 11:03:47 +00:00
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exclude_file_name_regexp--sc_prohibit_readlink = \
2012-12-13 17:44:57 +00:00
^src/(util/virutil|lxc/lxc_container)\.c$$
2012-12-13 17:44:57 +00:00
exclude_file_name_regexp--sc_prohibit_setuid = ^src/util/virutil\.c$$
Rewrite all the DTrace/SystemTAP probing The libvirtd daemon had a few crude system tap probes. Some of these were broken during the RPC rewrite. The new modular RPC code is structured in a way that allows much more effective tracing. Instead of trying to hook up the original probes, define a new set of probes for the RPC and event code. The master probes file is now src/probes.d. This contains probes for virNetServerClientPtr, virNetClientPtr, virSocketPtr virNetTLSContextPtr and virNetTLSSessionPtr modules. Also add probes for the poll event loop. The src/dtrace2systemtap.pl script can convert the probes.d file into a libvirt_probes.stp file to make use from systemtap much simpler. The src/rpc/gensystemtap.pl script can generate a set of systemtap functions for translating RPC enum values into printable strings. This works for all RPC header enums (program, type, status, procedure) and also the authentication enum The PROBE macro will automatically generate a VIR_DEBUG statement, so any place with a PROBE can remove any existing manual DEBUG statements. * daemon/libvirtd.stp, daemon/probes.d: Remove obsolete probing * daemon/libvirtd.h: Remove probe macros * daemon/Makefile.am: Remove all probe buildings/install * daemon/remote.c: Update authentication probes * src/dtrace2systemtap.pl, src/rpc/gensystemtap.pl: Scripts to generate STP files * src/internal.h: Add probe macros * src/probes.d: Master list of probes * src/rpc/virnetclient.c, src/rpc/virnetserverclient.c, src/rpc/virnetsocket.c, src/rpc/virnettlscontext.c, src/util/event_poll.c: Insert probe points, removing any DEBUG statements that duplicate the info
2011-09-30 13:40:23 +00:00
exclude_file_name_regexp--sc_prohibit_sprintf = \
^(cfg\.mk|docs/hacking\.html\.in|.*\.stp|.*\.pl)$$
exclude_file_name_regexp--sc_prohibit_strncpy = ^src/util/virstring\.c$$
exclude_file_name_regexp--sc_prohibit_strtol = ^examples/.*$$
2012-12-13 18:13:21 +00:00
exclude_file_name_regexp--sc_prohibit_xmlGetProp = ^src/util/virxml\.c$$
exclude_file_name_regexp--sc_prohibit_xmlURI = ^src/util/viruri\.c$$
exclude_file_name_regexp--sc_prohibit_return_as_function = \.py$$
exclude_file_name_regexp--sc_require_config_h = \
^(examples/|tools/virsh-edit\.c$$)
exclude_file_name_regexp--sc_require_config_h_first = \
^(examples/|tools/virsh-edit\.c$$)
exclude_file_name_regexp--sc_trailing_blank = \
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exclude_file_name_regexp--sc_unmarked_diagnostics = \
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exclude_file_name_regexp--sc_size_of_brackets = cfg.mk
exclude_file_name_regexp--sc_correct_id_types = \
(^src/locking/lock_protocol.x$$)
Add some autoconf helper macros for checking for libraries Most checks for libraries take the same format * --with-libFOO=yes|no|check|/some/path argument * check for a function NNN in libFOO.so * check for a header file DDD/HHH.h * Define a WITH_FOO config.h symbol * Define a WITH_FOO make conditional * Substitute FOO_CFLAGS and FOO_LIBS make variables * Print CFLAGS & LIBS summary at the end Doing all this correctly is rather difficult, typically done by copy+paste of a previous usage. Further small improvements people make are not applied to all previous usages. Improve this by creating some helper macros to apply good practice. First, to perform the actual checks: LIBVIRT_CHECK_LIB([SELINUX], [selinux], [getfilecon], [selinux/selinux.h]) This checks for 'getfilecon' in -lselinux, and the existence of 'selinux/selinux.h' header file. If successful it sets SELINUX_CFLAGS and SELINUX_LIBS. The WITH_SELINUX config.h macro and WITH_SELINUX make conditional are also defined. In some cases we need to check two variants of the same library LIBVIRT_CHECK_LIB_ALT([SASL], [sasl2], [sasl_client_init], [sasl/sasl.h], [SASL1], [sasl], [sasl_client_init], [sasl/sasl.h]) This checks for sasl_client_init in libsasl2, and if that is not found, checks sasl_client_init in libsasl. If the first check succeeds WITH_SASL is set, while if the second check succeeds *both* WITH_SASL and WITH_SASL1 are set. If the library supports pkg-config, then another variant is available LIBVIRT_CHECK_PKG([AVAHI], [avahi-client], [0.6.0]) This checks for avahi-client >= 0.6.0 via pkg-config and sets WITH_AVAHI if found. Finally to print a summary of CFLAGS & LIBs found (if any): LIBVIRT_RESULT_LIB([SELINUX]) Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
2012-09-19 17:46:30 +00:00
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