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-rwxr-xr-xt/t7031-verify-tag-signed-ssh.sh161
1 files changed, 161 insertions, 0 deletions
diff --git a/t/t7031-verify-tag-signed-ssh.sh b/t/t7031-verify-tag-signed-ssh.sh
new file mode 100755
index 0000000000..06c9dd6c93
--- /dev/null
+++ b/t/t7031-verify-tag-signed-ssh.sh
@@ -0,0 +1,161 @@
+#!/bin/sh
+
+test_description='signed tag tests'
+GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
+export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
+
+. ./test-lib.sh
+. "$TEST_DIRECTORY/lib-gpg.sh"
+
+test_expect_success GPGSSH 'create signed tags ssh' '
+ test_when_finished "test_unconfig commit.gpgsign" &&
+ test_config gpg.format ssh &&
+ test_config user.signingkey "${GPGSSH_KEY_PRIMARY}" &&
+
+ echo 1 >file && git add file &&
+ test_tick && git commit -m initial &&
+ git tag -s -m initial initial &&
+ git branch side &&
+
+ echo 2 >file && test_tick && git commit -a -m second &&
+ git tag -s -m second 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 -s -m merge merge &&
+
+ echo 4 >file && test_tick && git commit -a -S -m "fourth unsigned" &&
+ git tag -a -m fourth-unsigned fourth-unsigned &&
+
+ test_tick && git commit --amend -S -m "fourth signed" &&
+ git tag -s -m fourth fourth-signed &&
+
+ echo 5 >file && test_tick && git commit -a -m "fifth" &&
+ git tag fifth-unsigned &&
+
+ git config commit.gpgsign true &&
+ echo 6 >file && test_tick && git commit -a -m "sixth" &&
+ git tag -a -m sixth sixth-unsigned &&
+
+ test_tick && git rebase -f HEAD^^ && git tag -s -m 6th sixth-signed HEAD^ &&
+ git tag -m seventh -s seventh-signed &&
+
+ echo 8 >file && test_tick && git commit -a -m eighth &&
+ git tag -u"${GPGSSH_KEY_UNTRUSTED}" -m eighth eighth-signed-alt
+'
+
+test_expect_success GPGSSH 'verify and show ssh signatures' '
+ test_config gpg.ssh.allowedSignersFile "${GPGSSH_ALLOWED_SIGNERS}" &&
+ (
+ for tag in initial second merge fourth-signed sixth-signed seventh-signed
+ do
+ git verify-tag $tag 2>actual &&
+ grep "${GPGSSH_GOOD_SIGNATURE_TRUSTED}" actual &&
+ ! grep "${GPGSSH_BAD_SIGNATURE}" actual &&
+ echo $tag OK || exit 1
+ done
+ ) &&
+ (
+ for tag in fourth-unsigned fifth-unsigned sixth-unsigned
+ do
+ test_must_fail git verify-tag $tag 2>actual &&
+ ! grep "${GPGSSH_GOOD_SIGNATURE_TRUSTED}" actual &&
+ ! grep "${GPGSSH_BAD_SIGNATURE}" actual &&
+ echo $tag OK || exit 1
+ done
+ ) &&
+ (
+ for tag in eighth-signed-alt
+ do
+ test_must_fail git verify-tag $tag 2>actual &&
+ grep "${GPGSSH_GOOD_SIGNATURE_UNTRUSTED}" actual &&
+ ! grep "${GPGSSH_BAD_SIGNATURE}" actual &&
+ grep "${GPGSSH_KEY_NOT_TRUSTED}" actual &&
+ echo $tag OK || exit 1
+ done
+ )
+'
+
+test_expect_success GPGSSH 'detect fudged ssh signature' '
+ test_config gpg.ssh.allowedSignersFile "${GPGSSH_ALLOWED_SIGNERS}" &&
+ git cat-file tag seventh-signed >raw &&
+ sed -e "/^tag / s/seventh/7th forged/" raw >forged1 &&
+ git hash-object -w -t tag forged1 >forged1.tag &&
+ test_must_fail git verify-tag $(cat forged1.tag) 2>actual1 &&
+ grep "${GPGSSH_BAD_SIGNATURE}" actual1 &&
+ ! grep "${GPGSSH_GOOD_SIGNATURE_TRUSTED}" actual1 &&
+ ! grep "${GPGSSH_GOOD_SIGNATURE_UNTRUSTED}" actual1
+'
+
+test_expect_success GPGSSH 'verify ssh signatures with --raw' '
+ test_config gpg.ssh.allowedSignersFile "${GPGSSH_ALLOWED_SIGNERS}" &&
+ (
+ for tag in initial second merge fourth-signed sixth-signed seventh-signed
+ do
+ git verify-tag --raw $tag 2>actual &&
+ grep "${GPGSSH_GOOD_SIGNATURE_TRUSTED}" actual &&
+ ! grep "${GPGSSH_BAD_SIGNATURE}" actual &&
+ echo $tag OK || exit 1
+ done
+ ) &&
+ (
+ for tag in fourth-unsigned fifth-unsigned sixth-unsigned
+ do
+ test_must_fail git verify-tag --raw $tag 2>actual &&
+ ! grep "${GPGSSH_GOOD_SIGNATURE_TRUSTED}" actual &&
+ ! grep "${GPGSSH_BAD_SIGNATURE}" actual &&
+ echo $tag OK || exit 1
+ done
+ ) &&
+ (
+ for tag in eighth-signed-alt
+ do
+ test_must_fail git verify-tag --raw $tag 2>actual &&
+ grep "${GPGSSH_GOOD_SIGNATURE_UNTRUSTED}" actual &&
+ ! grep "${GPGSSH_BAD_SIGNATURE}" actual &&
+ echo $tag OK || exit 1
+ done
+ )
+'
+
+test_expect_success GPGSSH 'verify signatures with --raw ssh' '
+ test_config gpg.ssh.allowedSignersFile "${GPGSSH_ALLOWED_SIGNERS}" &&
+ git verify-tag --raw sixth-signed 2>actual &&
+ grep "${GPGSSH_GOOD_SIGNATURE_TRUSTED}" actual &&
+ ! grep "${GPGSSH_BAD_SIGNATURE}" actual &&
+ echo sixth-signed OK
+'
+
+test_expect_success GPGSSH 'verify multiple tags ssh' '
+ test_config gpg.ssh.allowedSignersFile "${GPGSSH_ALLOWED_SIGNERS}" &&
+ tags="seventh-signed sixth-signed" &&
+ for i in $tags
+ do
+ git verify-tag -v --raw $i || return 1
+ done >expect.stdout 2>expect.stderr.1 &&
+ grep "^${GPGSSH_GOOD_SIGNATURE_TRUSTED}" <expect.stderr.1 >expect.stderr &&
+ git verify-tag -v --raw $tags >actual.stdout 2>actual.stderr.1 &&
+ grep "^${GPGSSH_GOOD_SIGNATURE_TRUSTED}" <actual.stderr.1 >actual.stderr &&
+ test_cmp expect.stdout actual.stdout &&
+ test_cmp expect.stderr actual.stderr
+'
+
+test_expect_success GPGSSH 'verifying tag with --format - ssh' '
+ test_config gpg.ssh.allowedSignersFile "${GPGSSH_ALLOWED_SIGNERS}" &&
+ cat >expect <<-\EOF &&
+ tagname : fourth-signed
+ EOF
+ git verify-tag --format="tagname : %(tag)" "fourth-signed" >actual &&
+ test_cmp expect actual
+'
+
+test_expect_success GPGSSH 'verifying a forged tag with --format should fail silently - ssh' '
+ test_must_fail git verify-tag --format="tagname : %(tag)" $(cat forged1.tag) >actual-forged &&
+ test_must_be_empty actual-forged
+'
+
+test_done