391 lines
12 KiB
Bash
Executable File
391 lines
12 KiB
Bash
Executable File
#!/bin/sh
|
|
|
|
test_description='signed commit tests'
|
|
GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
|
|
export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
|
|
|
|
. ./test-lib.sh
|
|
GNUPGHOME_NOT_USED=$GNUPGHOME
|
|
. "$TEST_DIRECTORY/lib-gpg.sh"
|
|
|
|
test_expect_success GPG 'create signed commits' '
|
|
test_oid_cache <<-\EOF &&
|
|
header sha1:gpgsig
|
|
header sha256:gpgsig-sha256
|
|
EOF
|
|
|
|
test_when_finished "test_unconfig commit.gpgsign" &&
|
|
|
|
echo 1 >file && git add file &&
|
|
test_tick && git commit -S -m initial &&
|
|
git tag initial &&
|
|
git branch side &&
|
|
|
|
echo 2 >file && test_tick && git commit -a -S -m second &&
|
|
git tag second &&
|
|
|
|
git checkout side &&
|
|
echo 3 >elif && git add elif &&
|
|
test_tick && git commit -m "third on side" &&
|
|
|
|
git checkout main &&
|
|
test_tick && git merge -S side &&
|
|
git tag merge &&
|
|
|
|
echo 4 >file && test_tick && git commit -a -m "fourth unsigned" &&
|
|
git tag fourth-unsigned &&
|
|
|
|
test_tick && git commit --amend -S -m "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 'verify and show signatures' '
|
|
(
|
|
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 &&
|
|
! grep "BAD signature from" actual &&
|
|
echo $commit OK || exit 1
|
|
done
|
|
) &&
|
|
(
|
|
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 &&
|
|
! 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 $commit OK || exit 1
|
|
done
|
|
)
|
|
'
|
|
|
|
test_expect_success GPG 'verify-commit exits failure on unknown signature' '
|
|
test_must_fail env GNUPGHOME="$GNUPGHOME_NOT_USED" git verify-commit initial 2>actual &&
|
|
! grep "Good signature from" actual &&
|
|
! grep "BAD signature from" actual &&
|
|
grep -q -F -e "No public key" -e "public key not found" actual
|
|
'
|
|
|
|
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-commit exits success with matching minTrustLevel' '
|
|
test_config gpg.minTrustLevel ultimate &&
|
|
git verify-commit sixth-signed
|
|
'
|
|
|
|
test_expect_success GPG 'verify-commit exits success with low minTrustLevel' '
|
|
test_config gpg.minTrustLevel fully &&
|
|
git verify-commit sixth-signed
|
|
'
|
|
|
|
test_expect_success GPG 'verify-commit exits failure with high minTrustLevel' '
|
|
test_config gpg.minTrustLevel ultimate &&
|
|
test_must_fail git verify-commit eighth-signed-alt
|
|
'
|
|
|
|
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 $commit OK || exit 1
|
|
done
|
|
)
|
|
'
|
|
|
|
test_expect_success GPG 'proper header is used for hash algorithm' '
|
|
git cat-file commit fourth-signed >output &&
|
|
grep "^$(test_oid header) -----BEGIN PGP SIGNATURE-----" output
|
|
'
|
|
|
|
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
|
|
'
|
|
|
|
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 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 -f 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" $(cat forged1.commit) >actual &&
|
|
test_cmp expect actual
|
|
'
|
|
|
|
test_expect_success GPG 'show untrusted signature with custom format' '
|
|
cat >expect <<-\EOF &&
|
|
U
|
|
65A0EEA02E30CAD7
|
|
Eris Discordia <discord@example.net>
|
|
F8364A59E07FFE9F4D63005A65A0EEA02E30CAD7
|
|
D4BE22311AD3131E5EDA29A461092E85B7227189
|
|
EOF
|
|
git log -1 --format="%G?%n%GK%n%GS%n%GF%n%GP" eighth-signed-alt >actual &&
|
|
test_cmp expect actual
|
|
'
|
|
|
|
test_expect_success GPG 'show untrusted signature with undefined trust level' '
|
|
cat >expect <<-\EOF &&
|
|
undefined
|
|
65A0EEA02E30CAD7
|
|
Eris Discordia <discord@example.net>
|
|
F8364A59E07FFE9F4D63005A65A0EEA02E30CAD7
|
|
D4BE22311AD3131E5EDA29A461092E85B7227189
|
|
EOF
|
|
git log -1 --format="%GT%n%GK%n%GS%n%GF%n%GP" eighth-signed-alt >actual &&
|
|
test_cmp expect actual
|
|
'
|
|
|
|
test_expect_success GPG 'show untrusted signature with ultimate trust level' '
|
|
cat >expect <<-\EOF &&
|
|
ultimate
|
|
13B6F51ECDDE430D
|
|
C O Mitter <committer@example.com>
|
|
73D758744BE721698EC54E8713B6F51ECDDE430D
|
|
73D758744BE721698EC54E8713B6F51ECDDE430D
|
|
EOF
|
|
git log -1 --format="%GT%n%GK%n%GS%n%GF%n%GP" sixth-signed >actual &&
|
|
test_cmp expect actual
|
|
'
|
|
|
|
test_expect_success GPG 'show unknown signature with custom format' '
|
|
cat >expect <<-\EOF &&
|
|
E
|
|
65A0EEA02E30CAD7
|
|
|
|
|
|
|
|
EOF
|
|
GNUPGHOME="$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/^$(test_oid header)//;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/^/$(test_oid header) /;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" $(cat double-commit.commit) >actual &&
|
|
test_cmp expect actual
|
|
'
|
|
|
|
|
|
# NEEDSWORK: This test relies on the test_tick commit/author dates from the first
|
|
# 'create signed commits' test even though it creates its own
|
|
test_expect_success GPG 'verify-commit verifies multiply signed commits' '
|
|
git init multiply-signed &&
|
|
cd multiply-signed &&
|
|
test_commit first &&
|
|
echo 1 >second &&
|
|
git add second &&
|
|
tree=$(git write-tree) &&
|
|
parent=$(git rev-parse HEAD^{commit}) &&
|
|
git commit --gpg-sign -m second &&
|
|
git cat-file commit HEAD &&
|
|
# Avoid trailing whitespace.
|
|
sed -e "s/^Q//" -e "s/^Z/ /" >commit <<-EOF &&
|
|
Qtree $tree
|
|
Qparent $parent
|
|
Qauthor A U Thor <author@example.com> 1112912653 -0700
|
|
Qcommitter C O Mitter <committer@example.com> 1112912653 -0700
|
|
Qgpgsig -----BEGIN PGP SIGNATURE-----
|
|
QZ
|
|
Q iHQEABECADQWIQRz11h0S+chaY7FTocTtvUezd5DDQUCX/uBDRYcY29tbWl0dGVy
|
|
Q QGV4YW1wbGUuY29tAAoJEBO29R7N3kMNd+8AoK1I8mhLHviPH+q2I5fIVgPsEtYC
|
|
Q AKCTqBh+VabJceXcGIZuF0Ry+udbBQ==
|
|
Q =tQ0N
|
|
Q -----END PGP SIGNATURE-----
|
|
Qgpgsig-sha256 -----BEGIN PGP SIGNATURE-----
|
|
QZ
|
|
Q iHQEABECADQWIQRz11h0S+chaY7FTocTtvUezd5DDQUCX/uBIBYcY29tbWl0dGVy
|
|
Q QGV4YW1wbGUuY29tAAoJEBO29R7N3kMN/NEAn0XO9RYSBj2dFyozi0JKSbssYMtO
|
|
Q AJwKCQ1BQOtuwz//IjU8TiS+6S4iUw==
|
|
Q =pIwP
|
|
Q -----END PGP SIGNATURE-----
|
|
Q
|
|
Qsecond
|
|
EOF
|
|
head=$(git hash-object -t commit -w commit) &&
|
|
git reset --hard $head &&
|
|
git verify-commit $head 2>actual &&
|
|
grep "Good signature from" actual &&
|
|
! grep "BAD signature from" actual
|
|
'
|
|
|
|
test_done
|