[PATCH 18/21] git-fsck: Do thorough verification of tag objects
From: Johan Herland <hidden>
Date: 2016-06-15 22:43:14
Subsystem:
the rest · Maintainer:
Linus Torvalds
Teach git-fsck to do the same kind of verification on tag objects that is already done by git-mktag. Signed-off-by: Johan Herland <redacted> --- builtin-fsck.c | 15 +++++++++++++++ 1 files changed, 15 insertions(+), 0 deletions(-)
diff --git a/builtin-fsck.c b/builtin-fsck.c
index 944a496..7b4c36b 100644
--- a/builtin-fsck.c
+++ b/builtin-fsck.c@@ -359,11 +359,26 @@ static int fsck_commit(struct commit *commit) static int fsck_tag(struct tag *tag) { struct object *tagged = tag->tagged; + enum object_type type; + unsigned long size; + char *data = (char *) read_sha1_file(tag->object.sha1, &type, &size); if (verbose) fprintf(stderr, "Checking tag %s\n", sha1_to_hex(tag->object.sha1)); + if (!data) + return objerror(&tag->object, "could not read tag"); + if (type != OBJ_TAG) { + free(data); + return objerror(&tag->object, "not a tag (internal error)"); + } + if (parse_and_verify_tag_buffer(0, data, size, 1)) { /* thoroughly verify tag object */ + free(data); + return objerror(&tag->object, "failed thorough tag object verification"); + } + free(data); + if (!tagged) { return objerror(&tag->object, "could not load tagged object"); }
--
1.5.2