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337 lines
9.9 KiB
337 lines
9.9 KiB
#!/bin/sh |
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test_description='signed commit tests' |
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. ./test-lib.sh |
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GNUPGHOME_NOT_USED=$GNUPGHOME |
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. "$TEST_DIRECTORY/lib-gpg.sh" |
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test_expect_success GPG 'create signed commits' ' |
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test_oid_cache <<-\EOF && |
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header sha1:gpgsig |
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header sha256:gpgsig-sha256 |
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EOF |
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test_when_finished "test_unconfig commit.gpgsign" && |
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echo 1 >file && git add file && |
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test_tick && git commit -S -m initial && |
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git tag initial && |
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git branch side && |
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echo 2 >file && test_tick && git commit -a -S -m second && |
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git tag second && |
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git checkout side && |
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echo 3 >elif && git add elif && |
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test_tick && git commit -m "third on side" && |
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git checkout master && |
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test_tick && git merge -S side && |
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git tag merge && |
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echo 4 >file && test_tick && git commit -a -m "fourth unsigned" && |
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git tag fourth-unsigned && |
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test_tick && git commit --amend -S -m "fourth signed" && |
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git tag fourth-signed && |
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git config commit.gpgsign true && |
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echo 5 >file && test_tick && git commit -a -m "fifth signed" && |
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git tag fifth-signed && |
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git config commit.gpgsign false && |
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echo 6 >file && test_tick && git commit -a -m "sixth" && |
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git tag sixth-unsigned && |
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git config commit.gpgsign true && |
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echo 7 >file && test_tick && git commit -a -m "seventh" --no-gpg-sign && |
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git tag seventh-unsigned && |
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test_tick && git rebase -f HEAD^^ && git tag sixth-signed HEAD^ && |
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git tag seventh-signed && |
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echo 8 >file && test_tick && git commit -a -m eighth -SB7227189 && |
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git tag eighth-signed-alt && |
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# commit.gpgsign is still on but this must not be signed |
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echo 9 | git commit-tree HEAD^{tree} >oid && |
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test_line_count = 1 oid && |
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git tag ninth-unsigned $(cat oid) && |
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# explicit -S of course must sign. |
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echo 10 | git commit-tree -S HEAD^{tree} >oid && |
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test_line_count = 1 oid && |
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git tag tenth-signed $(cat oid) && |
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# --gpg-sign[=<key-id>] must sign. |
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echo 11 | git commit-tree --gpg-sign HEAD^{tree} >oid && |
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test_line_count = 1 oid && |
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git tag eleventh-signed $(cat oid) && |
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echo 12 | git commit-tree --gpg-sign=B7227189 HEAD^{tree} >oid && |
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test_line_count = 1 oid && |
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git tag twelfth-signed-alt $(cat oid) |
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' |
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test_expect_success GPG 'verify and show signatures' ' |
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( |
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for commit in initial second merge fourth-signed \ |
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fifth-signed sixth-signed seventh-signed tenth-signed \ |
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eleventh-signed |
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do |
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git verify-commit $commit && |
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git show --pretty=short --show-signature $commit >actual && |
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grep "Good signature from" actual && |
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! grep "BAD signature from" actual && |
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echo $commit OK || exit 1 |
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done |
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) && |
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( |
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for commit in merge^2 fourth-unsigned sixth-unsigned \ |
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seventh-unsigned ninth-unsigned |
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do |
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test_must_fail git verify-commit $commit && |
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git show --pretty=short --show-signature $commit >actual && |
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! grep "Good signature from" actual && |
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! grep "BAD signature from" actual && |
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echo $commit OK || exit 1 |
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done |
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) && |
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( |
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for commit in eighth-signed-alt twelfth-signed-alt |
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do |
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git show --pretty=short --show-signature $commit >actual && |
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grep "Good signature from" actual && |
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! grep "BAD signature from" actual && |
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grep "not certified" actual && |
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echo $commit OK || exit 1 |
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done |
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) |
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' |
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test_expect_success GPG 'verify-commit exits success on untrusted signature' ' |
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git verify-commit eighth-signed-alt 2>actual && |
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grep "Good signature from" actual && |
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! grep "BAD signature from" actual && |
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grep "not certified" actual |
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' |
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test_expect_success GPG 'verify-commit exits success with matching minTrustLevel' ' |
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test_config gpg.minTrustLevel ultimate && |
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git verify-commit sixth-signed |
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' |
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test_expect_success GPG 'verify-commit exits success with low minTrustLevel' ' |
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test_config gpg.minTrustLevel fully && |
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git verify-commit sixth-signed |
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' |
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test_expect_success GPG 'verify-commit exits failure with high minTrustLevel' ' |
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test_config gpg.minTrustLevel ultimate && |
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test_must_fail git verify-commit eighth-signed-alt |
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' |
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test_expect_success GPG 'verify signatures with --raw' ' |
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( |
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for commit in initial second merge fourth-signed fifth-signed sixth-signed seventh-signed |
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do |
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git verify-commit --raw $commit 2>actual && |
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grep "GOODSIG" actual && |
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! grep "BADSIG" actual && |
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echo $commit OK || exit 1 |
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done |
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) && |
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( |
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for commit in merge^2 fourth-unsigned sixth-unsigned seventh-unsigned |
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do |
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test_must_fail git verify-commit --raw $commit 2>actual && |
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! grep "GOODSIG" actual && |
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! grep "BADSIG" actual && |
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echo $commit OK || exit 1 |
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done |
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) && |
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( |
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for commit in eighth-signed-alt |
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do |
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git verify-commit --raw $commit 2>actual && |
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grep "GOODSIG" actual && |
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! grep "BADSIG" actual && |
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grep "TRUST_UNDEFINED" actual && |
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echo $commit OK || exit 1 |
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done |
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) |
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' |
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test_expect_success GPG 'proper header is used for hash algorithm' ' |
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git cat-file commit fourth-signed >output && |
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grep "^$(test_oid header) -----BEGIN PGP SIGNATURE-----" output |
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' |
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test_expect_success GPG 'show signed commit with signature' ' |
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git show -s initial >commit && |
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git show -s --show-signature initial >show && |
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git verify-commit -v initial >verify.1 2>verify.2 && |
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git cat-file commit initial >cat && |
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grep -v -e "gpg: " -e "Warning: " show >show.commit && |
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grep -e "gpg: " -e "Warning: " show >show.gpg && |
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grep -v "^ " cat | grep -v "^$(test_oid header) " >cat.commit && |
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test_cmp show.commit commit && |
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test_cmp show.gpg verify.2 && |
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test_cmp cat.commit verify.1 |
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' |
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test_expect_success GPG 'detect fudged signature' ' |
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git cat-file commit seventh-signed >raw && |
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sed -e "s/^seventh/7th forged/" raw >forged1 && |
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git hash-object -w -t commit forged1 >forged1.commit && |
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test_must_fail git verify-commit $(cat forged1.commit) && |
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git show --pretty=short --show-signature $(cat forged1.commit) >actual1 && |
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grep "BAD signature from" actual1 && |
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! grep "Good signature from" actual1 |
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' |
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test_expect_success GPG 'detect fudged signature with NUL' ' |
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git cat-file commit seventh-signed >raw && |
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cat raw >forged2 && |
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echo Qwik | tr "Q" "\000" >>forged2 && |
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git hash-object -w -t commit forged2 >forged2.commit && |
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test_must_fail git verify-commit $(cat forged2.commit) && |
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git show --pretty=short --show-signature $(cat forged2.commit) >actual2 && |
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grep "BAD signature from" actual2 && |
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! grep "Good signature from" actual2 |
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' |
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test_expect_success GPG 'amending already signed commit' ' |
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git checkout fourth-signed^0 && |
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git commit --amend -S --no-edit && |
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git verify-commit HEAD && |
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git show -s --show-signature HEAD >actual && |
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grep "Good signature from" actual && |
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! grep "BAD signature from" actual |
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' |
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test_expect_success GPG 'show good signature with custom format' ' |
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cat >expect <<-\EOF && |
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G |
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13B6F51ECDDE430D |
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C O Mitter <committer@example.com> |
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73D758744BE721698EC54E8713B6F51ECDDE430D |
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73D758744BE721698EC54E8713B6F51ECDDE430D |
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EOF |
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git log -1 --format="%G?%n%GK%n%GS%n%GF%n%GP" sixth-signed >actual && |
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test_cmp expect actual |
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' |
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test_expect_success GPG 'show bad signature with custom format' ' |
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cat >expect <<-\EOF && |
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B |
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13B6F51ECDDE430D |
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C O Mitter <committer@example.com> |
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EOF |
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git log -1 --format="%G?%n%GK%n%GS%n%GF%n%GP" $(cat forged1.commit) >actual && |
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test_cmp expect actual |
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' |
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test_expect_success GPG 'show untrusted signature with custom format' ' |
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cat >expect <<-\EOF && |
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U |
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65A0EEA02E30CAD7 |
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Eris Discordia <discord@example.net> |
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F8364A59E07FFE9F4D63005A65A0EEA02E30CAD7 |
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D4BE22311AD3131E5EDA29A461092E85B7227189 |
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EOF |
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git log -1 --format="%G?%n%GK%n%GS%n%GF%n%GP" eighth-signed-alt >actual && |
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test_cmp expect actual |
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' |
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test_expect_success GPG 'show untrusted signature with undefined trust level' ' |
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cat >expect <<-\EOF && |
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undefined |
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65A0EEA02E30CAD7 |
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Eris Discordia <discord@example.net> |
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F8364A59E07FFE9F4D63005A65A0EEA02E30CAD7 |
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D4BE22311AD3131E5EDA29A461092E85B7227189 |
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EOF |
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git log -1 --format="%GT%n%GK%n%GS%n%GF%n%GP" eighth-signed-alt >actual && |
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test_cmp expect actual |
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' |
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test_expect_success GPG 'show untrusted signature with ultimate trust level' ' |
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cat >expect <<-\EOF && |
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ultimate |
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13B6F51ECDDE430D |
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C O Mitter <committer@example.com> |
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73D758744BE721698EC54E8713B6F51ECDDE430D |
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73D758744BE721698EC54E8713B6F51ECDDE430D |
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EOF |
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git log -1 --format="%GT%n%GK%n%GS%n%GF%n%GP" sixth-signed >actual && |
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test_cmp expect actual |
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' |
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test_expect_success GPG 'show unknown signature with custom format' ' |
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cat >expect <<-\EOF && |
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E |
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65A0EEA02E30CAD7 |
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EOF |
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GNUPGHOME="$GNUPGHOME_NOT_USED" git log -1 --format="%G?%n%GK%n%GS%n%GF%n%GP" eighth-signed-alt >actual && |
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test_cmp expect actual |
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' |
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test_expect_success GPG 'show lack of signature with custom format' ' |
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cat >expect <<-\EOF && |
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N |
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EOF |
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git log -1 --format="%G?%n%GK%n%GS%n%GF%n%GP" seventh-unsigned >actual && |
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test_cmp expect actual |
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' |
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test_expect_success GPG 'log.showsignature behaves like --show-signature' ' |
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test_config log.showsignature true && |
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git show initial >actual && |
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grep "gpg: Signature made" actual && |
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grep "gpg: Good signature" actual |
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' |
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test_expect_success GPG 'check config gpg.format values' ' |
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test_config gpg.format openpgp && |
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git commit -S --amend -m "success" && |
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test_config gpg.format OpEnPgP && |
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test_must_fail git commit -S --amend -m "fail" |
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' |
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test_expect_success GPG 'detect fudged commit with double signature' ' |
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sed -e "/gpgsig/,/END PGP/d" forged1 >double-base && |
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sed -n -e "/gpgsig/,/END PGP/p" forged1 | \ |
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sed -e "s/^$(test_oid header)//;s/^ //" | gpg --dearmor >double-sig1.sig && |
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gpg -o double-sig2.sig -u 29472784 --detach-sign double-base && |
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cat double-sig1.sig double-sig2.sig | gpg --enarmor >double-combined.asc && |
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sed -e "s/^\(-.*\)ARMORED FILE/\1SIGNATURE/;1s/^/$(test_oid header) /;2,\$s/^/ /" \ |
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double-combined.asc > double-gpgsig && |
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sed -e "/committer/r double-gpgsig" double-base >double-commit && |
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git hash-object -w -t commit double-commit >double-commit.commit && |
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test_must_fail git verify-commit $(cat double-commit.commit) && |
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git show --pretty=short --show-signature $(cat double-commit.commit) >double-actual && |
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grep "BAD signature from" double-actual && |
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grep "Good signature from" double-actual |
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' |
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test_expect_success GPG 'show double signature with custom format' ' |
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cat >expect <<-\EOF && |
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E |
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EOF |
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git log -1 --format="%G?%n%GK%n%GS%n%GF%n%GP" $(cat double-commit.commit) >actual && |
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test_cmp expect actual |
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' |
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test_done
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