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authorJeff King <peff@peff.net>2017-03-16 18:09:36 -0400
committerJunio C Hamano <gitster@pobox.com>2017-03-17 10:40:25 -0700
commitf5f5e7f06c210e833632c8f4cb907d0af581f473 (patch)
tree4878228a2dc4e93b0fd5a9a0904ec8248da21234
parent8325e43b82dd0bd00c37abed45861bb8c155b022 (diff)
downloadgit-f5f5e7f06c210e833632c8f4cb907d0af581f473.tar.gz
t0013: add a basic sha1 collision detection test
We don't actually have a Git-object collision, so the best we can do is to run one of the shattered PDFs through test-sha1. This should trigger the collision check and die. In a sense this isn't really checking anything that the upstream sha1collisiondetection project doesn't cover already. But it at least makes sure that our build correctly uses the library. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
-rw-r--r--Makefile1
-rwxr-xr-xt/t0013-sha1dc.sh19
-rw-r--r--t/t0013/shattered-1.pdfbin0 -> 422435 bytes
3 files changed, 20 insertions, 0 deletions
diff --git a/Makefile b/Makefile
index 05a96d7177..fc9d89498b 100644
--- a/Makefile
+++ b/Makefile
@@ -2236,6 +2236,7 @@ GIT-BUILD-OPTIONS: FORCE
@echo NO_PYTHON=\''$(subst ','\'',$(subst ','\'',$(NO_PYTHON)))'\' >>$@+
@echo NO_UNIX_SOCKETS=\''$(subst ','\'',$(subst ','\'',$(NO_UNIX_SOCKETS)))'\' >>$@+
@echo PAGER_ENV=\''$(subst ','\'',$(subst ','\'',$(PAGER_ENV)))'\' >>$@+
+ @echo DC_SHA1=\''$(subst ','\'',$(subst ','\'',$(DC_SHA1)))'\' >>$@+
ifdef TEST_OUTPUT_DIRECTORY
@echo TEST_OUTPUT_DIRECTORY=\''$(subst ','\'',$(subst ','\'',$(TEST_OUTPUT_DIRECTORY)))'\' >>$@+
endif
diff --git a/t/t0013-sha1dc.sh b/t/t0013-sha1dc.sh
new file mode 100755
index 0000000000..6d655cb161
--- /dev/null
+++ b/t/t0013-sha1dc.sh
@@ -0,0 +1,19 @@
+#!/bin/sh
+
+test_description='test sha1 collision detection'
+. ./test-lib.sh
+TEST_DATA="$TEST_DIRECTORY/t0013"
+
+if test -z "$DC_SHA1"
+then
+ skip_all='skipping sha1 collision tests, DC_SHA1 not set'
+ test_done
+fi
+
+test_expect_success 'test-sha1 detects shattered pdf' '
+ test_must_fail test-sha1 <"$TEST_DATA/shattered-1.pdf" 2>err &&
+ test_i18ngrep collision err &&
+ grep 38762cf7f55934b34d179ae6a4c80cadccbb7f0a err
+'
+
+test_done
diff --git a/t/t0013/shattered-1.pdf b/t/t0013/shattered-1.pdf
new file mode 100644
index 0000000000..ba9aaa145c
--- /dev/null
+++ b/t/t0013/shattered-1.pdf
Binary files differ