diff options
| -rw-r--r-- | builtin/commit.c | 2 | ||||
| -rw-r--r-- | commit.c | 30 | ||||
| -rw-r--r-- | sequencer.c | 2 | ||||
| -rwxr-xr-x | t/t1450-fsck.sh | 24 | ||||
| -rwxr-xr-x | t/t7510-signed-commit.sh | 16 |
5 files changed, 62 insertions, 12 deletions
diff --git a/builtin/commit.c b/builtin/commit.c index 7ba33a3bec..798d362a2e 100644 --- a/builtin/commit.c +++ b/builtin/commit.c @@ -1659,7 +1659,7 @@ int cmd_commit(int argc, const char **argv, const char *prefix) } if (amend) { - const char *exclude_gpgsig[2] = { "gpgsig", NULL }; + const char *exclude_gpgsig[3] = { "gpgsig", "gpgsig-sha256", NULL }; extra = read_commit_extra_headers(current_head, exclude_gpgsig); } else { struct commit_extra_header **tail = &extra; @@ -961,14 +961,22 @@ cleanup_return: return ret; } -static const char gpg_sig_header[] = "gpgsig"; -static const int gpg_sig_header_len = sizeof(gpg_sig_header) - 1; +/* + * Indexed by hash algorithm identifier. + */ +static const char *gpg_sig_headers[] = { + NULL, + "gpgsig", + "gpgsig-sha256", +}; static int do_sign_commit(struct strbuf *buf, const char *keyid) { struct strbuf sig = STRBUF_INIT; int inspos, copypos; const char *eoh; + const char *gpg_sig_header = gpg_sig_headers[hash_algo_by_ptr(the_hash_algo)]; + int gpg_sig_header_len = strlen(gpg_sig_header); /* find the end of the header */ eoh = strstr(buf->buf, "\n\n"); @@ -1010,6 +1018,8 @@ int parse_signed_commit(const struct commit *commit, const char *buffer = get_commit_buffer(commit, &size); int in_signature, saw_signature = -1; const char *line, *tail; + const char *gpg_sig_header = gpg_sig_headers[hash_algo_by_ptr(the_hash_algo)]; + int gpg_sig_header_len = strlen(gpg_sig_header); line = buffer; tail = buffer + size; @@ -1056,11 +1066,17 @@ int remove_signature(struct strbuf *buf) if (in_signature && line[0] == ' ') sig_end = next; - else if (starts_with(line, gpg_sig_header) && - line[gpg_sig_header_len] == ' ') { - sig_start = line; - sig_end = next; - in_signature = 1; + else if (starts_with(line, "gpgsig")) { + int i; + for (i = 1; i < GIT_HASH_NALGOS; i++) { + const char *p; + if (skip_prefix(line, gpg_sig_headers[i], &p) && + *p == ' ') { + sig_start = line; + sig_end = next; + in_signature = 1; + } + } } else { if (*line == '\n') /* dump the whole remainder of the buffer */ diff --git a/sequencer.c b/sequencer.c index ba90a513b9..cbd920afb2 100644 --- a/sequencer.c +++ b/sequencer.c @@ -1321,7 +1321,7 @@ static int try_to_commit(struct repository *r, return -1; if (flags & AMEND_MSG) { - const char *exclude_gpgsig[] = { "gpgsig", NULL }; + const char *exclude_gpgsig[] = { "gpgsig", "gpgsig-sha256", NULL }; const char *out_enc = get_commit_output_encoding(); const char *message = logmsg_reencode(current_head, NULL, out_enc); diff --git a/t/t1450-fsck.sh b/t/t1450-fsck.sh index 02478bc4ec..70a8307154 100755 --- a/t/t1450-fsck.sh +++ b/t/t1450-fsck.sh @@ -133,6 +133,30 @@ test_expect_success 'other worktree HEAD link pointing at a funny place' ' test_i18ngrep "worktrees/other/HEAD points to something strange" out ' +test_expect_success 'commit with multiple signatures is okay' ' + git cat-file commit HEAD >basis && + cat >sigs <<-EOF && + gpgsig -----BEGIN PGP SIGNATURE----- + VGhpcyBpcyBub3QgcmVhbGx5IGEgc2lnbmF0dXJlLg== + -----END PGP SIGNATURE----- + gpgsig-sha256 -----BEGIN PGP SIGNATURE----- + VGhpcyBpcyBub3QgcmVhbGx5IGEgc2lnbmF0dXJlLg== + -----END PGP SIGNATURE----- + EOF + sed -e "/^committer/q" basis >okay && + cat sigs >>okay && + echo >>okay && + sed -e "1,/^$/d" basis >>okay && + cat okay && + new=$(git hash-object -t commit -w --stdin <okay) && + test_when_finished "remove_object $new" && + git update-ref refs/heads/bogus "$new" && + test_when_finished "git update-ref -d refs/heads/bogus" && + git fsck 2>out && + cat out && + ! grep "commit $new" out +' + test_expect_success 'email without @ is okay' ' git cat-file commit HEAD >basis && sed "s/@/AT/" basis >okay && diff --git a/t/t7510-signed-commit.sh b/t/t7510-signed-commit.sh index 0c06d22a00..6baaa1ad91 100755 --- a/t/t7510-signed-commit.sh +++ b/t/t7510-signed-commit.sh @@ -6,6 +6,11 @@ GNUPGHOME_NOT_USED=$GNUPGHOME . "$TEST_DIRECTORY/lib-gpg.sh" test_expect_success GPG 'create signed commits' ' + test_oid_cache <<-\EOF && + header sha1:gpgsig + header sha256:gpgsig-sha256 + EOF + test_when_finished "test_unconfig commit.gpgsign" && echo 1 >file && git add file && @@ -155,6 +160,11 @@ test_expect_success GPG 'verify signatures with --raw' ' ) ' +test_expect_success GPG 'proper header is used for hash algorithm' ' + git cat-file commit fourth-signed >output && + grep "^$(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 && @@ -162,7 +172,7 @@ test_expect_success GPG 'show signed commit with signature' ' 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 "^gpgsig " >cat.commit && + grep -v "^ " cat | grep -v "^$(test_oid header) " >cat.commit && test_cmp show.commit commit && test_cmp show.gpg verify.2 && test_cmp cat.commit verify.1 @@ -299,10 +309,10 @@ test_expect_success GPG 'check config gpg.format values' ' test_expect_success GPG 'detect fudged commit with double signature' ' sed -e "/gpgsig/,/END PGP/d" forged1 >double-base && sed -n -e "/gpgsig/,/END PGP/p" forged1 | \ - sed -e "s/^gpgsig//;s/^ //" | gpg --dearmor >double-sig1.sig && + sed -e "s/^$(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/^/gpgsig /;2,\$s/^/ /" \ + 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 && |