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authorAurelien Jarno <aurelien@aurel32.net>2016-09-05 22:53:22 +0200
committerAurelien Jarno <aurelien@aurel32.net>2016-09-05 22:53:22 +0200
commit6d5336211d2e823d4d431a01e62a80d9be4cbc9d (patch)
treef88714118815a95a2552e8b3b385bfe36cc5b878
parentead3cea7d8948113fe205243acbddbda609de5c9 (diff)
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conform tests: call perl with '-I.'
Historically perl includes the current directory in the module search
path. Over the time this has been considered as a security issue and
the recent vulnerabilities [1] made people to reconsider this behaviour.
It is almost sure that this will be removed in the future [2], possibly
for the 5.26 release, although this is not yet firmly decided.

Debian has decided to backport the patches [3], so the perl binary in
unstable do not have '.' in @INC anymore.

This behaviour is used in the conform perl scripts to include the
GlibcConform module. This patch fixes that by calling perl with '-I.'.
This is not a security issue in this case as make ensures that the
current directory is $(srcdir)/conform/ when the scripts are called.
Passing the full path would do exactly the same.

[1] CVE-2016-1238 CVE-2016-6185
[2] https://rt.perl.org/Public/Bug/Display.html?id=127810
[3] https://lists.debian.org/debian-devel-announce/2016/08/msg00013.html

Changelog:
	* conform/Makefile (conformtest-header-tests): Pass -I. to $(PERL).
	(linknamespace-symlists-tests): Likewise.
	(linknamespace-header-tests): Likewise.
-rw-r--r--ChangeLog6
-rw-r--r--conform/Makefile6
2 files changed, 9 insertions, 3 deletions
diff --git a/ChangeLog b/ChangeLog
index 78bb16b468..5d9091c7ba 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2016-09-05  Aurelien Jarno  <aurelien@aurel32.net>
+
+	* conform/Makefile (conformtest-header-tests): Pass -I. to $(PERL).
+	(linknamespace-symlists-tests): Likewise.
+	(linknamespace-header-tests): Likewise.
+
 2016-09-03  Aurelien Jarno  <aurelien@aurel32.net>
 
 	[BZ #19810]
diff --git a/conform/Makefile b/conform/Makefile
index 32a0937b06..b92a7d4f6e 100644
--- a/conform/Makefile
+++ b/conform/Makefile
@@ -196,13 +196,13 @@ $(conformtest-header-tests): $(objpfx)%/conform.out: \
 			     conformtest.pl $(conformtest-headers-data)
 	(set -e; std_hdr=$*; std=$${std_hdr%%/*}; hdr=$${std_hdr#*/}; \
 	 mkdir -p $(@D)/scratch; \
-	 $(PERL) conformtest.pl --tmpdir=$(@D)/scratch --cc='$(CC)' \
+	 $(PERL) -I. conformtest.pl --tmpdir=$(@D)/scratch --cc='$(CC)' \
 		 --flags='$(conformtest-cc-flags)' --standard=$$std \
 		 --headers=$$hdr > $@); \
 	$(evaluate-test)
 
 $(linknamespace-symlists-tests): $(objpfx)symlist-%: list-header-symbols.pl
-	$(PERL) -w $< --tmpdir=$(objpfx) --cc='$(CC)' \
+	$(PERL) -I. -w $< --tmpdir=$(objpfx) --cc='$(CC)' \
 		--flags='$(conformtest-cc-flags)' --standard=$* \
 		--headers="$(strip $(conformtest-headers-$*))" \
 		> $@ 2> $@.err; \
@@ -232,7 +232,7 @@ $(linknamespace-header-tests): $(objpfx)%/linknamespace.out: \
 			       $(linknamespace-symlist-stdlibs-tests)
 	(set -e; std_hdr=$*; std=$${std_hdr%%/*}; hdr=$${std_hdr#*/}; \
 	 mkdir -p $(@D)/scratch; \
-	 $(PERL) -w $< --tmpdir=$(@D)/scratch --cc='$(CC)' \
+	 $(PERL) -I. -w $< --tmpdir=$(@D)/scratch --cc='$(CC)' \
 		 --flags='$(conformtest-cc-flags)' --standard=$$std \
 		 --stdsyms=$(objpfx)symlist-$$std --header=$$hdr \
 		 --libsyms=$(objpfx)symlist-stdlibs-$$std \