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1e690847d1
Add a dedicated signing subkey to the key identified as 'Eris Discordia', and update tests appropriately. GnuPG will now sign commits using the dedicated signing subkey, changing the value of %GK and %GF, and effectively creating a test case for %GF!=%GP. Signed-off-by: Michał Górny <mgorny@gentoo.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
275 lines
8 KiB
Bash
Executable file
275 lines
8 KiB
Bash
Executable file
#!/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_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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git tag ninth-unsigned $(echo 9 | git commit-tree HEAD^{tree}) &&
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# explicit -S of course must sign.
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git tag tenth-signed $(echo 9 | git commit-tree -S HEAD^{tree})
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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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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
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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 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 '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 "^gpgsig " >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" $(cat forged1.commit) >actual &&
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test_cmp expect actual
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'
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test_expect_success GPG 'show untrusted signature with custom format' '
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cat >expect <<-\EOF &&
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U
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65A0EEA02E30CAD7
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Eris Discordia <discord@example.net>
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F8364A59E07FFE9F4D63005A65A0EEA02E30CAD7
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D4BE22311AD3131E5EDA29A461092E85B7227189
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EOF
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git log -1 --format="%G?%n%GK%n%GS%n%GF%n%GP" eighth-signed-alt >actual &&
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test_cmp expect actual
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'
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test_expect_success GPG 'show unknown signature with custom format' '
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cat >expect <<-\EOF &&
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E
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65A0EEA02E30CAD7
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EOF
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GNUPGHOME="$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/^gpgsig//;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/^/gpgsig /;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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