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Merge branch 'st/verify-tag'
Unify internal logic between "git tag -v" and "git verify-tag" commands by making one directly call into the other. * st/verify-tag: tag -v: verify directly rather than exec-ing verify-tag verify-tag: move tag verification code to tag.c verify-tag: prepare verify_tag for libification verify-tag: update variable name and type t7030: test verifying multiple tags builtin/verify-tag.c: ignore SIGPIPE in gpg-interface
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commit
b559121e3c
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@ -105,13 +105,7 @@ static int delete_tag(const char *name, const char *ref,
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static int verify_tag(const char *name, const char *ref,
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const unsigned char *sha1)
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{
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const char *argv_verify_tag[] = {"verify-tag",
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"-v", "SHA1_HEX", NULL};
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argv_verify_tag[2] = sha1_to_hex(sha1);
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if (run_command_v_opt(argv_verify_tag, RUN_GIT_CMD))
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return error(_("could not verify the tag '%s'"), name);
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return 0;
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return gpg_verify_tag(sha1, name, GPG_VERIFY_VERBOSE);
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}
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static int do_sign(struct strbuf *buffer)
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@ -18,55 +18,6 @@ static const char * const verify_tag_usage[] = {
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NULL
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};
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static int run_gpg_verify(const char *buf, unsigned long size, unsigned flags)
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{
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struct signature_check sigc;
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int len;
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int ret;
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memset(&sigc, 0, sizeof(sigc));
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len = parse_signature(buf, size);
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if (size == len) {
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if (flags & GPG_VERIFY_VERBOSE)
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write_in_full(1, buf, len);
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return error("no signature found");
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}
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ret = check_signature(buf, len, buf + len, size - len, &sigc);
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print_signature_buffer(&sigc, flags);
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signature_check_clear(&sigc);
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return ret;
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}
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static int verify_tag(const char *name, unsigned flags)
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{
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enum object_type type;
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unsigned char sha1[20];
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char *buf;
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unsigned long size;
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int ret;
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if (get_sha1(name, sha1))
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return error("tag '%s' not found.", name);
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type = sha1_object_info(sha1, NULL);
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if (type != OBJ_TAG)
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return error("%s: cannot verify a non-tag object of type %s.",
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name, typename(type));
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buf = read_sha1_file(sha1, &type, &size);
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if (!buf)
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return error("%s: unable to read file.", name);
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ret = run_gpg_verify(buf, size, flags);
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free(buf);
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return ret;
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}
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static int git_verify_tag_config(const char *var, const char *value, void *cb)
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{
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int status = git_gpg_config(var, value, cb);
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@ -95,11 +46,13 @@ int cmd_verify_tag(int argc, const char **argv, const char *prefix)
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if (verbose)
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flags |= GPG_VERIFY_VERBOSE;
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/* sometimes the program was terminated because this signal
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* was received in the process of writing the gpg input: */
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signal(SIGPIPE, SIG_IGN);
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while (i < argc)
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if (verify_tag(argv[i++], flags))
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while (i < argc) {
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unsigned char sha1[20];
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const char *name = argv[i++];
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if (get_sha1(name, sha1))
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had_error = !!error("tag '%s' not found.", name);
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else if (gpg_verify_tag(sha1, name, flags))
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had_error = 1;
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}
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return had_error;
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}
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@ -237,6 +237,7 @@ int verify_signed_buffer(const char *payload, size_t payload_size,
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return error(_("could not run gpg."));
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}
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sigchain_push(SIGPIPE, SIG_IGN);
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write_in_full(gpg.in, payload, payload_size);
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close(gpg.in);
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@ -250,6 +251,7 @@ int verify_signed_buffer(const char *payload, size_t payload_size,
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close(gpg.out);
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ret = finish_command(&gpg);
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sigchain_pop(SIGPIPE);
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unlink_or_warn(path);
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@ -112,4 +112,17 @@ test_expect_success GPG 'verify signatures with --raw' '
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)
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'
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test_expect_success GPG 'verify multiple tags' '
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tags="fourth-signed sixth-signed seventh-signed" &&
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for i in $tags
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do
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git verify-tag -v --raw $i || return 1
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done >expect.stdout 2>expect.stderr.1 &&
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grep "^.GNUPG:." <expect.stderr.1 >expect.stderr &&
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git verify-tag -v --raw $tags >actual.stdout 2>actual.stderr.1 &&
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grep "^.GNUPG:." <actual.stderr.1 >actual.stderr &&
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test_cmp expect.stdout actual.stdout &&
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test_cmp expect.stderr actual.stderr
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'
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test_done
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53
tag.c
53
tag.c
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@ -6,6 +6,59 @@
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const char *tag_type = "tag";
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static int run_gpg_verify(const char *buf, unsigned long size, unsigned flags)
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{
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struct signature_check sigc;
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size_t payload_size;
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int ret;
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memset(&sigc, 0, sizeof(sigc));
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payload_size = parse_signature(buf, size);
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if (size == payload_size) {
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if (flags & GPG_VERIFY_VERBOSE)
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write_in_full(1, buf, payload_size);
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return error("no signature found");
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}
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ret = check_signature(buf, payload_size, buf + payload_size,
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size - payload_size, &sigc);
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print_signature_buffer(&sigc, flags);
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signature_check_clear(&sigc);
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return ret;
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}
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int gpg_verify_tag(const unsigned char *sha1, const char *name_to_report,
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unsigned flags)
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{
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enum object_type type;
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char *buf;
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unsigned long size;
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int ret;
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type = sha1_object_info(sha1, NULL);
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if (type != OBJ_TAG)
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return error("%s: cannot verify a non-tag object of type %s.",
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name_to_report ?
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name_to_report :
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find_unique_abbrev(sha1, DEFAULT_ABBREV),
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typename(type));
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buf = read_sha1_file(sha1, &type, &size);
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if (!buf)
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return error("%s: unable to read file.",
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name_to_report ?
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name_to_report :
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find_unique_abbrev(sha1, DEFAULT_ABBREV));
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ret = run_gpg_verify(buf, size, flags);
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free(buf);
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return ret;
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}
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struct object *deref_tag(struct object *o, const char *warn, int warnlen)
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{
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while (o && o->type == OBJ_TAG)
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2
tag.h
2
tag.h
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@ -17,5 +17,7 @@ extern int parse_tag_buffer(struct tag *item, const void *data, unsigned long si
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extern int parse_tag(struct tag *item);
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extern struct object *deref_tag(struct object *, const char *, int);
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extern struct object *deref_tag_noverify(struct object *);
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extern int gpg_verify_tag(const unsigned char *sha1,
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const char *name_to_report, unsigned flags);
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#endif /* TAG_H */
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