diff options
Diffstat (limited to 'tag.c')
| -rw-r--r-- | tag.c | 53 |
1 files changed, 53 insertions, 0 deletions
@@ -6,6 +6,59 @@ const char *tag_type = "tag"; +static int run_gpg_verify(const char *buf, unsigned long size, unsigned flags) +{ + struct signature_check sigc; + size_t payload_size; + int ret; + + memset(&sigc, 0, sizeof(sigc)); + + payload_size = parse_signature(buf, size); + + if (size == payload_size) { + if (flags & GPG_VERIFY_VERBOSE) + write_in_full(1, buf, payload_size); + return error("no signature found"); + } + + ret = check_signature(buf, payload_size, buf + payload_size, + size - payload_size, &sigc); + print_signature_buffer(&sigc, flags); + + signature_check_clear(&sigc); + return ret; +} + +int gpg_verify_tag(const unsigned char *sha1, const char *name_to_report, + unsigned flags) +{ + enum object_type type; + char *buf; + unsigned long size; + int ret; + + type = sha1_object_info(sha1, NULL); + if (type != OBJ_TAG) + return error("%s: cannot verify a non-tag object of type %s.", + name_to_report ? + name_to_report : + find_unique_abbrev(sha1, DEFAULT_ABBREV), + typename(type)); + + buf = read_sha1_file(sha1, &type, &size); + if (!buf) + return error("%s: unable to read file.", + name_to_report ? + name_to_report : + find_unique_abbrev(sha1, DEFAULT_ABBREV)); + + ret = run_gpg_verify(buf, size, flags); + + free(buf); + return ret; +} + struct object *deref_tag(struct object *o, const char *warn, int warnlen) { while (o && o->type == OBJ_TAG) |