t/t7031-verify-tag-signed-ssh.sh

   1 #!/bin/sh
   2
   3 test_description='signed tag tests'
   4 GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
   5 export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
   6
   7 TEST_PASSES_SANITIZE_LEAK=true
   8 . ./test-lib.sh
   9 . "$TEST_DIRECTORY/lib-gpg.sh"
  10
  11 test_expect_success GPGSSH 'create signed tags ssh' '
  12         test_when_finished "test_unconfig commit.gpgsign" &&
  13         test_config gpg.format ssh &&
  14         test_config user.signingkey "${GPGSSH_KEY_PRIMARY}" &&
  15
  16         echo 1 >file && git add file &&
  17         test_tick && git commit -m initial &&
  18         git tag -s -m initial initial &&
  19         git branch side &&
  20
  21         echo 2 >file && test_tick && git commit -a -m second &&
  22         git tag -s -m second second &&
  23
  24         git checkout side &&
  25         echo 3 >elif && git add elif &&
  26         test_tick && git commit -m "third on side" &&
  27
  28         git checkout main &&
  29         test_tick && git merge -S side &&
  30         git tag -s -m merge merge &&
  31
  32         echo 4 >file && test_tick && git commit -a -S -m "fourth unsigned" &&
  33         git tag -a -m fourth-unsigned fourth-unsigned &&
  34
  35         test_tick && git commit --amend -S -m "fourth signed" &&
  36         git tag -s -m fourth fourth-signed &&
  37
  38         echo 5 >file && test_tick && git commit -a -m "fifth" &&
  39         git tag fifth-unsigned &&
  40
  41         git config commit.gpgsign true &&
  42         echo 6 >file && test_tick && git commit -a -m "sixth" &&
  43         git tag -a -m sixth sixth-unsigned &&
  44
  45         test_tick && git rebase -f HEAD^^ && git tag -s -m 6th sixth-signed HEAD^ &&
  46         git tag -m seventh -s seventh-signed &&
  47
  48         echo 8 >file && test_tick && git commit -a -m eighth &&
  49         git tag -u"${GPGSSH_KEY_UNTRUSTED}" -m eighth eighth-signed-alt
  50 '
  51
  52 test_expect_success GPGSSH,GPGSSH_VERIFYTIME 'create signed tags with keys having defined lifetimes' '
  53         test_when_finished "test_unconfig commit.gpgsign" &&
  54         test_config gpg.format ssh &&
  55
  56         echo expired >file && test_tick && git commit -a -m expired -S"${GPGSSH_KEY_EXPIRED}" &&
  57         git tag -s -u "${GPGSSH_KEY_EXPIRED}" -m expired-signed expired-signed &&
  58
  59         echo notyetvalid >file && test_tick && git commit -a -m notyetvalid -S"${GPGSSH_KEY_NOTYETVALID}" &&
  60         git tag -s -u "${GPGSSH_KEY_NOTYETVALID}" -m notyetvalid-signed notyetvalid-signed &&
  61
  62         echo timeboxedvalid >file && test_tick && git commit -a -m timeboxedvalid -S"${GPGSSH_KEY_TIMEBOXEDVALID}" &&
  63         git tag -s -u "${GPGSSH_KEY_TIMEBOXEDVALID}" -m timeboxedvalid-signed timeboxedvalid-signed &&
  64
  65         echo timeboxedinvalid >file && test_tick && git commit -a -m timeboxedinvalid -S"${GPGSSH_KEY_TIMEBOXEDINVALID}" &&
  66         git tag -s -u "${GPGSSH_KEY_TIMEBOXEDINVALID}" -m timeboxedinvalid-signed timeboxedinvalid-signed
  67 '
  68
  69 test_expect_success GPGSSH 'verify and show ssh signatures' '
  70         test_config gpg.ssh.allowedSignersFile "${GPGSSH_ALLOWED_SIGNERS}" &&
  71         (
  72                 for tag in initial second merge fourth-signed sixth-signed seventh-signed
  73                 do
  74                         git verify-tag $tag 2>actual &&
  75                         grep "${GPGSSH_GOOD_SIGNATURE_TRUSTED}" actual &&
  76                         ! grep "${GPGSSH_BAD_SIGNATURE}" actual &&
  77                         echo $tag OK || exit 1
  78                 done
  79         ) &&
  80         (
  81                 for tag in fourth-unsigned fifth-unsigned sixth-unsigned
  82                 do
  83                         test_must_fail git verify-tag $tag 2>actual &&
  84                         ! grep "${GPGSSH_GOOD_SIGNATURE_TRUSTED}" actual &&
  85                         ! grep "${GPGSSH_BAD_SIGNATURE}" actual &&
  86                         echo $tag OK || exit 1
  87                 done
  88         ) &&
  89         (
  90                 for tag in eighth-signed-alt
  91                 do
  92                         test_must_fail git verify-tag $tag 2>actual &&
  93                         grep "${GPGSSH_GOOD_SIGNATURE_UNTRUSTED}" actual &&
  94                         ! grep "${GPGSSH_BAD_SIGNATURE}" actual &&
  95                         grep "${GPGSSH_KEY_NOT_TRUSTED}" actual &&
  96                         echo $tag OK || exit 1
  97                 done
  98         )
  99 '
 100
 101 test_expect_success GPGSSH,GPGSSH_VERIFYTIME 'verify-tag exits failure on expired signature key' '
 102         test_config gpg.ssh.allowedSignersFile "${GPGSSH_ALLOWED_SIGNERS}" &&
 103         test_must_fail git verify-tag expired-signed 2>actual &&
 104         ! grep "${GPGSSH_GOOD_SIGNATURE_TRUSTED}" actual
 105 '
 106
 107 test_expect_success GPGSSH,GPGSSH_VERIFYTIME 'verify-tag exits failure on not yet valid signature key' '
 108         test_config gpg.ssh.allowedSignersFile "${GPGSSH_ALLOWED_SIGNERS}" &&
 109         test_must_fail git verify-tag notyetvalid-signed 2>actual &&
 110         ! grep "${GPGSSH_GOOD_SIGNATURE_TRUSTED}" actual
 111 '
 112
 113 test_expect_success GPGSSH,GPGSSH_VERIFYTIME 'verify-tag succeeds with tag date and key validity matching' '
 114         test_config gpg.ssh.allowedSignersFile "${GPGSSH_ALLOWED_SIGNERS}" &&
 115         git verify-tag timeboxedvalid-signed 2>actual &&
 116         grep "${GPGSSH_GOOD_SIGNATURE_TRUSTED}" actual &&
 117         ! grep "${GPGSSH_BAD_SIGNATURE}" actual
 118 '
 119
 120 test_expect_success GPGSSH,GPGSSH_VERIFYTIME 'verify-tag fails with tag date outside of key validity' '
 121         test_config gpg.ssh.allowedSignersFile "${GPGSSH_ALLOWED_SIGNERS}" &&
 122         test_must_fail git verify-tag timeboxedinvalid-signed 2>actual &&
 123         ! grep "${GPGSSH_GOOD_SIGNATURE_TRUSTED}" actual
 124 '
 125
 126 test_expect_success GPGSSH 'detect fudged ssh signature' '
 127         test_config gpg.ssh.allowedSignersFile "${GPGSSH_ALLOWED_SIGNERS}" &&
 128         git cat-file tag seventh-signed >raw &&
 129         sed -e "/^tag / s/seventh/7th-forged/" raw >forged1 &&
 130         git hash-object -w -t tag forged1 >forged1.tag &&
 131         test_must_fail git verify-tag $(cat forged1.tag) 2>actual1 &&
 132         grep "${GPGSSH_BAD_SIGNATURE}" actual1 &&
 133         ! grep "${GPGSSH_GOOD_SIGNATURE_TRUSTED}" actual1 &&
 134         ! grep "${GPGSSH_GOOD_SIGNATURE_UNTRUSTED}" actual1
 135 '
 136
 137 test_expect_success GPGSSH 'verify ssh signatures with --raw' '
 138         test_config gpg.ssh.allowedSignersFile "${GPGSSH_ALLOWED_SIGNERS}" &&
 139         (
 140                 for tag in initial second merge fourth-signed sixth-signed seventh-signed
 141                 do
 142                         git verify-tag --raw $tag 2>actual &&
 143                         grep "${GPGSSH_GOOD_SIGNATURE_TRUSTED}" actual &&
 144                         ! grep "${GPGSSH_BAD_SIGNATURE}" actual &&
 145                         echo $tag OK || exit 1
 146                 done
 147         ) &&
 148         (
 149                 for tag in fourth-unsigned fifth-unsigned sixth-unsigned
 150                 do
 151                         test_must_fail git verify-tag --raw $tag 2>actual &&
 152                         ! grep "${GPGSSH_GOOD_SIGNATURE_TRUSTED}" actual &&
 153                         ! grep "${GPGSSH_BAD_SIGNATURE}" actual &&
 154                         echo $tag OK || exit 1
 155                 done
 156         ) &&
 157         (
 158                 for tag in eighth-signed-alt
 159                 do
 160                         test_must_fail git verify-tag --raw $tag 2>actual &&
 161                         grep "${GPGSSH_GOOD_SIGNATURE_UNTRUSTED}" actual &&
 162                         ! grep "${GPGSSH_BAD_SIGNATURE}" actual &&
 163                         echo $tag OK || exit 1
 164                 done
 165         )
 166 '
 167
 168 test_expect_success GPGSSH 'verify signatures with --raw ssh' '
 169         test_config gpg.ssh.allowedSignersFile "${GPGSSH_ALLOWED_SIGNERS}" &&
 170         git verify-tag --raw sixth-signed 2>actual &&
 171         grep "${GPGSSH_GOOD_SIGNATURE_TRUSTED}" actual &&
 172         ! grep "${GPGSSH_BAD_SIGNATURE}" actual &&
 173         echo sixth-signed OK
 174 '
 175
 176 test_expect_success GPGSSH 'verify multiple tags ssh' '
 177         test_config gpg.ssh.allowedSignersFile "${GPGSSH_ALLOWED_SIGNERS}" &&
 178         tags="seventh-signed sixth-signed" &&
 179         for i in $tags
 180         do
 181                 git verify-tag -v --raw $i || return 1
 182         done >expect.stdout 2>expect.stderr.1 &&
 183         grep "^${GPGSSH_GOOD_SIGNATURE_TRUSTED}" <expect.stderr.1 >expect.stderr &&
 184         git verify-tag -v --raw $tags >actual.stdout 2>actual.stderr.1 &&
 185         grep "^${GPGSSH_GOOD_SIGNATURE_TRUSTED}" <actual.stderr.1 >actual.stderr &&
 186         test_cmp expect.stdout actual.stdout &&
 187         test_cmp expect.stderr actual.stderr
 188 '
 189
 190 test_expect_success GPGSSH 'verifying tag with --format - ssh' '
 191         test_config gpg.ssh.allowedSignersFile "${GPGSSH_ALLOWED_SIGNERS}" &&
 192         cat >expect <<-\EOF &&
 193         tagname : fourth-signed
 194         EOF
 195         git verify-tag --format="tagname : %(tag)" "fourth-signed" >actual &&
 196         test_cmp expect actual
 197 '
 198
 199 test_expect_success GPGSSH 'verifying a forged tag with --format should fail silently - ssh' '
 200         test_must_fail git verify-tag --format="tagname : %(tag)" $(cat forged1.tag) >actual-forged &&
 201         test_must_be_empty actual-forged
 202 '
 203
 204 test_expect_success GPGSSH 'rev-list --format=%G' '
 205         test_config gpg.ssh.allowedSignersFile "${GPGSSH_ALLOWED_SIGNERS}" &&
 206         git rev-list -1 --format="%G? %H" sixth-signed >actual &&
 207         cat >expect <<-EOF &&
 208         commit $(git rev-parse sixth-signed^0)
 209         G $(git rev-parse sixth-signed^0)
 210         EOF
 211         test_cmp expect actual
 212 '
 213
 214 test_done