| #!/bin/sh |
| |
| 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_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 master && |
| 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 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 "^$(test_oid header) " >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 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 |
| ' |
| |
| test_done |