test_description='signed commit tests'
. ./test-lib.sh
+GNUPGHOME_NOT_USED=$GNUPGHOME
. "$TEST_DIRECTORY/lib-gpg.sh"
test_expect_success GPG 'create signed commits' '
+ test_when_finished "test_unconfig commit.gpgsign" &&
+
echo 1 >file && git add file &&
test_tick && git commit -S -m initial &&
git tag initial &&
git tag fourth-unsigned &&
test_tick && git commit --amend -S -m "fourth signed" &&
- git tag fourth-signed
+ git tag fourth-signed &&
+
+ git config commit.gpgsign true &&
+ echo 5 >file && test_tick && git commit -a -m "fifth signed" &&
+ git tag fifth-signed &&
+
+ git config commit.gpgsign false &&
+ echo 6 >file && test_tick && git commit -a -m "sixth" &&
+ git tag sixth-unsigned &&
+
+ git config commit.gpgsign true &&
+ echo 7 >file && test_tick && git commit -a -m "seventh" --no-gpg-sign &&
+ git tag seventh-unsigned &&
+
+ test_tick && git rebase -f HEAD^^ && git tag sixth-signed HEAD^ &&
+ git tag seventh-signed &&
+
+ echo 8 >file && test_tick && git commit -a -m eighth -SB7227189 &&
+ git tag eighth-signed-alt &&
+
+ # commit.gpgsign is still on but this must not be signed
+ echo 9 | git commit-tree HEAD^{tree} >oid &&
+ test_line_count = 1 oid &&
+ git tag ninth-unsigned $(cat oid) &&
+ # explicit -S of course must sign.
+ echo 10 | git commit-tree -S HEAD^{tree} >oid &&
+ test_line_count = 1 oid &&
+ git tag tenth-signed $(cat oid) &&
+
+ # --gpg-sign[=<key-id>] must sign.
+ echo 11 | git commit-tree --gpg-sign HEAD^{tree} >oid &&
+ test_line_count = 1 oid &&
+ git tag eleventh-signed $(cat oid) &&
+ echo 12 | git commit-tree --gpg-sign=B7227189 HEAD^{tree} >oid &&
+ test_line_count = 1 oid &&
+ git tag twelfth-signed-alt $(cat oid)
'
-test_expect_success GPG 'show signatures' '
+test_expect_success GPG 'verify and show signatures' '
(
- for commit in initial second merge master
+ for commit in initial second merge fourth-signed \
+ fifth-signed sixth-signed seventh-signed tenth-signed \
+ eleventh-signed
do
+ git verify-commit $commit &&
git show --pretty=short --show-signature $commit >actual &&
- grep "Good signature from" actual || exit 1
- ! grep "BAD signature from" actual || exit 1
- echo $commit OK
+ grep "Good signature from" actual &&
+ ! grep "BAD signature from" actual &&
+ echo $commit OK || exit 1
done
) &&
(
- for commit in merge^2 fourth-unsigned
+ for commit in merge^2 fourth-unsigned sixth-unsigned \
+ seventh-unsigned ninth-unsigned
do
+ test_must_fail git verify-commit $commit &&
git show --pretty=short --show-signature $commit >actual &&
- grep "Good signature from" actual && exit 1
- ! grep "BAD signature from" actual || exit 1
- echo $commit OK
+ ! grep "Good signature from" actual &&
+ ! grep "BAD signature from" actual &&
+ echo $commit OK || exit 1
+ done
+ ) &&
+ (
+ for commit in eighth-signed-alt twelfth-signed-alt
+ do
+ git show --pretty=short --show-signature $commit >actual &&
+ grep "Good signature from" actual &&
+ ! grep "BAD signature from" actual &&
+ grep "not certified" actual &&
+ echo $commit OK || exit 1
done
)
'
-test_expect_success GPG 'detect fudged signature' '
- git cat-file commit master >raw &&
+test_expect_success GPG 'verify-commit exits success on untrusted signature' '
+ git verify-commit eighth-signed-alt 2>actual &&
+ grep "Good signature from" actual &&
+ ! grep "BAD signature from" actual &&
+ grep "not certified" actual
+'
+
+test_expect_success GPG 'verify signatures with --raw' '
+ (
+ for commit in initial second merge fourth-signed fifth-signed sixth-signed seventh-signed
+ do
+ git verify-commit --raw $commit 2>actual &&
+ grep "GOODSIG" actual &&
+ ! grep "BADSIG" actual &&
+ echo $commit OK || exit 1
+ done
+ ) &&
+ (
+ for commit in merge^2 fourth-unsigned sixth-unsigned seventh-unsigned
+ do
+ test_must_fail git verify-commit --raw $commit 2>actual &&
+ ! grep "GOODSIG" actual &&
+ ! grep "BADSIG" actual &&
+ echo $commit OK || exit 1
+ done
+ ) &&
+ (
+ for commit in eighth-signed-alt
+ do
+ git verify-commit --raw $commit 2>actual &&
+ grep "GOODSIG" actual &&
+ ! grep "BADSIG" actual &&
+ grep "TRUST_UNDEFINED" actual &&
+ echo $commit OK || exit 1
+ done
+ )
+'
+
+test_expect_success GPG 'show signed commit with signature' '
+ git show -s initial >commit &&
+ git show -s --show-signature initial >show &&
+ git verify-commit -v initial >verify.1 2>verify.2 &&
+ git cat-file commit initial >cat &&
+ grep -v -e "gpg: " -e "Warning: " show >show.commit &&
+ grep -e "gpg: " -e "Warning: " show >show.gpg &&
+ grep -v "^ " cat | grep -v "^gpgsig " >cat.commit &&
+ test_cmp show.commit commit &&
+ test_cmp show.gpg verify.2 &&
+ test_cmp cat.commit verify.1
+'
- sed -e "s/fourth signed/4th forged/" raw >forged1 &&
+test_expect_success GPG 'detect fudged signature' '
+ git cat-file commit seventh-signed >raw &&
+ sed -e "s/^seventh/7th forged/" raw >forged1 &&
git hash-object -w -t commit forged1 >forged1.commit &&
+ test_must_fail git verify-commit $(cat forged1.commit) &&
git show --pretty=short --show-signature $(cat forged1.commit) >actual1 &&
grep "BAD signature from" actual1 &&
! grep "Good signature from" actual1
'
test_expect_success GPG 'detect fudged signature with NUL' '
- git cat-file commit master >raw &&
+ git cat-file commit seventh-signed >raw &&
cat raw >forged2 &&
echo Qwik | tr "Q" "\000" >>forged2 &&
git hash-object -w -t commit forged2 >forged2.commit &&
+ test_must_fail git verify-commit $(cat forged2.commit) &&
git show --pretty=short --show-signature $(cat forged2.commit) >actual2 &&
grep "BAD signature from" actual2 &&
! grep "Good signature from" actual2
test_expect_success GPG 'amending already signed commit' '
git checkout fourth-signed^0 &&
git commit --amend -S --no-edit &&
+ git verify-commit HEAD &&
git show -s --show-signature HEAD >actual &&
grep "Good signature from" actual &&
! grep "BAD signature from" actual
'
+test_expect_success GPG 'show good signature with custom format' '
+ cat >expect <<-\EOF &&
+ G
+ 13B6F51ECDDE430D
+ C O Mitter <committer@example.com>
+ 73D758744BE721698EC54E8713B6F51ECDDE430D
+ 73D758744BE721698EC54E8713B6F51ECDDE430D
+ EOF
+ git log -1 --format="%G?%n%GK%n%GS%n%GF%n%GP" sixth-signed >actual &&
+ test_cmp expect actual
+'
+
+test_expect_success GPG 'show bad signature with custom format' '
+ cat >expect <<-\EOF &&
+ B
+ 13B6F51ECDDE430D
+ C O Mitter <committer@example.com>
+
+
+ EOF
+ git log -1 --format="%G?%n%GK%n%GS%n%GF%n%GP" $(cat forged1.commit) >actual &&
+ test_cmp expect actual
+'
+
+test_expect_success GPG 'show untrusted signature with custom format' '
+ cat >expect <<-\EOF &&
+ U
+ 65A0EEA02E30CAD7
+ Eris Discordia <discord@example.net>
+ F8364A59E07FFE9F4D63005A65A0EEA02E30CAD7
+ D4BE22311AD3131E5EDA29A461092E85B7227189
+ EOF
+ git log -1 --format="%G?%n%GK%n%GS%n%GF%n%GP" eighth-signed-alt >actual &&
+ test_cmp expect actual
+'
+
+test_expect_success GPG 'show unknown signature with custom format' '
+ cat >expect <<-\EOF &&
+ E
+ 65A0EEA02E30CAD7
+
+
+
+ EOF
+ GNUPGHOME="$GNUPGHOME_NOT_USED" git log -1 --format="%G?%n%GK%n%GS%n%GF%n%GP" eighth-signed-alt >actual &&
+ test_cmp expect actual
+'
+
+test_expect_success GPG 'show lack of signature with custom format' '
+ cat >expect <<-\EOF &&
+ N
+
+
+
+
+ EOF
+ git log -1 --format="%G?%n%GK%n%GS%n%GF%n%GP" seventh-unsigned >actual &&
+ test_cmp expect actual
+'
+
+test_expect_success GPG 'log.showsignature behaves like --show-signature' '
+ test_config log.showsignature true &&
+ git show initial >actual &&
+ grep "gpg: Signature made" actual &&
+ grep "gpg: Good signature" actual
+'
+
+test_expect_success GPG 'check config gpg.format values' '
+ test_config gpg.format openpgp &&
+ git commit -S --amend -m "success" &&
+ test_config gpg.format OpEnPgP &&
+ test_must_fail git commit -S --amend -m "fail"
+'
+
+test_expect_success GPG 'detect fudged commit with double signature' '
+ sed -e "/gpgsig/,/END PGP/d" forged1 >double-base &&
+ sed -n -e "/gpgsig/,/END PGP/p" forged1 | \
+ sed -e "s/^gpgsig//;s/^ //" | gpg --dearmor >double-sig1.sig &&
+ gpg -o double-sig2.sig -u 29472784 --detach-sign double-base &&
+ cat double-sig1.sig double-sig2.sig | gpg --enarmor >double-combined.asc &&
+ sed -e "s/^\(-.*\)ARMORED FILE/\1SIGNATURE/;1s/^/gpgsig /;2,\$s/^/ /" \
+ double-combined.asc > double-gpgsig &&
+ sed -e "/committer/r double-gpgsig" double-base >double-commit &&
+ git hash-object -w -t commit double-commit >double-commit.commit &&
+ test_must_fail git verify-commit $(cat double-commit.commit) &&
+ git show --pretty=short --show-signature $(cat double-commit.commit) >double-actual &&
+ grep "BAD signature from" double-actual &&
+ grep "Good signature from" double-actual
+'
+
+test_expect_success GPG 'show double signature with custom format' '
+ cat >expect <<-\EOF &&
+ E
+
+
+
+
+ EOF
+ git log -1 --format="%G?%n%GK%n%GS%n%GF%n%GP" $(cat double-commit.commit) >actual &&
+ test_cmp expect actual
+'
+
test_done
projects / platform / upstream / git.git / blobdiff