return retval;
}
+/*
+ * Confirm that the headers of a commit or tag object end in a reasonable way,
+ * either with the usual "\n\n" separator, or at least with a trailing newline
+ * on the final header line.
+ *
+ * This property is important for the memory safety of our callers. It allows
+ * them to scan the buffer linewise without constantly checking the remaining
+ * size as long as:
+ *
+ * - they check that there are bytes left in the buffer at the start of any
+ * line (i.e., that the last newline they saw was not the final one we
+ * found here)
+ *
+ * - any intra-line scanning they do will stop at a newline, which will worst
+ * case hit the newline we found here as the end-of-header. This makes it
+ * OK for them to use helpers like parse_oid_hex(), or even skip_prefix().
+ */
static int verify_headers(const void *data, unsigned long size,
const struct object_id *oid, enum object_type type,
struct fsck_options *options)
if (*p != ' ')
return report(options, oid, type, FSCK_MSG_MISSING_SPACE_BEFORE_DATE, "invalid author/committer line - missing space before date");
p++;
+ /*
+ * Our timestamp parser is based on the C strto*() functions, which
+ * will happily eat whitespace, including the newline that is supposed
+ * to prevent us walking past the end of the buffer. So do our own
+ * scan, skipping linear whitespace but not newlines, and then
+ * confirming we found a digit. We _could_ be even more strict here,
+ * as we really expect only a single space, but since we have
+ * traditionally allowed extra whitespace, we'll continue to do so.
+ */
+ while (*p == ' ' || *p == '\t')
+ p++;
+ if (!isdigit(*p))
+ return report(options, oid, type, FSCK_MSG_BAD_DATE,
+ "invalid author/committer line - bad date");
if (*p == '0' && p[1] != ' ')
return report(options, oid, type, FSCK_MSG_ZERO_PADDED_DATE, "invalid author/committer line - zero-padded date");
if (date_overflows(parse_timestamp(p, &end, 10)))
unsigned author_count;
int err;
const char *buffer_begin = buffer;
+ const char *buffer_end = buffer + size;
const char *p;
+ /*
+ * We _must_ stop parsing immediately if this reports failure, as the
+ * memory safety of the rest of the function depends on it. See the
+ * comment above the definition of verify_headers() for more details.
+ */
if (verify_headers(buffer, size, oid, OBJ_COMMIT, options))
return -1;
- if (!skip_prefix(buffer, "tree ", &buffer))
+ if (buffer >= buffer_end || !skip_prefix(buffer, "tree ", &buffer))
return report(options, oid, OBJ_COMMIT, FSCK_MSG_MISSING_TREE, "invalid format - expected 'tree' line");
if (parse_oid_hex(buffer, &tree_oid, &p) || *p != '\n') {
err = report(options, oid, OBJ_COMMIT, FSCK_MSG_BAD_TREE_SHA1, "invalid 'tree' line format - bad sha1");
return err;
}
buffer = p + 1;
- while (skip_prefix(buffer, "parent ", &buffer)) {
+ while (buffer < buffer_end && skip_prefix(buffer, "parent ", &buffer)) {
if (parse_oid_hex(buffer, &parent_oid, &p) || *p != '\n') {
err = report(options, oid, OBJ_COMMIT, FSCK_MSG_BAD_PARENT_SHA1, "invalid 'parent' line format - bad sha1");
if (err)
buffer = p + 1;
}
author_count = 0;
- while (skip_prefix(buffer, "author ", &buffer)) {
+ while (buffer < buffer_end && skip_prefix(buffer, "author ", &buffer)) {
author_count++;
err = fsck_ident(&buffer, oid, OBJ_COMMIT, options);
if (err)
err = report(options, oid, OBJ_COMMIT, FSCK_MSG_MULTIPLE_AUTHORS, "invalid format - multiple 'author' lines");
if (err)
return err;
- if (!skip_prefix(buffer, "committer ", &buffer))
+ if (buffer >= buffer_end || !skip_prefix(buffer, "committer ", &buffer))
return report(options, oid, OBJ_COMMIT, FSCK_MSG_MISSING_COMMITTER, "invalid format - expected 'committer' line");
err = fsck_ident(&buffer, oid, OBJ_COMMIT, options);
if (err)
int ret = 0;
char *eol;
struct strbuf sb = STRBUF_INIT;
+ const char *buffer_end = buffer + size;
const char *p;
+ /*
+ * We _must_ stop parsing immediately if this reports failure, as the
+ * memory safety of the rest of the function depends on it. See the
+ * comment above the definition of verify_headers() for more details.
+ */
ret = verify_headers(buffer, size, oid, OBJ_TAG, options);
if (ret)
goto done;
- if (!skip_prefix(buffer, "object ", &buffer)) {
+ if (buffer >= buffer_end || !skip_prefix(buffer, "object ", &buffer)) {
ret = report(options, oid, OBJ_TAG, FSCK_MSG_MISSING_OBJECT, "invalid format - expected 'object' line");
goto done;
}
}
buffer = p + 1;
- if (!skip_prefix(buffer, "type ", &buffer)) {
+ if (buffer >= buffer_end || !skip_prefix(buffer, "type ", &buffer)) {
ret = report(options, oid, OBJ_TAG, FSCK_MSG_MISSING_TYPE_ENTRY, "invalid format - expected 'type' line");
goto done;
}
- eol = strchr(buffer, '\n');
+ eol = memchr(buffer, '\n', buffer_end - buffer);
if (!eol) {
ret = report(options, oid, OBJ_TAG, FSCK_MSG_MISSING_TYPE, "invalid format - unexpected end after 'type' line");
goto done;
goto done;
buffer = eol + 1;
- if (!skip_prefix(buffer, "tag ", &buffer)) {
+ if (buffer >= buffer_end || !skip_prefix(buffer, "tag ", &buffer)) {
ret = report(options, oid, OBJ_TAG, FSCK_MSG_MISSING_TAG_ENTRY, "invalid format - expected 'tag' line");
goto done;
}
- eol = strchr(buffer, '\n');
+ eol = memchr(buffer, '\n', buffer_end - buffer);
if (!eol) {
ret = report(options, oid, OBJ_TAG, FSCK_MSG_MISSING_TAG, "invalid format - unexpected end after 'type' line");
goto done;
}
buffer = eol + 1;
- if (!skip_prefix(buffer, "tagger ", &buffer)) {
+ if (buffer >= buffer_end || !skip_prefix(buffer, "tagger ", &buffer)) {
/* early tags do not contain 'tagger' lines; warn only */
ret = report(options, oid, OBJ_TAG, FSCK_MSG_MISSING_TAGGER_ENTRY, "invalid format - expected 'tagger' line");
if (ret)
}
else
ret = fsck_ident(&buffer, oid, OBJ_TAG, options);
- if (!*buffer)
- goto done;
- if (!starts_with(buffer, "\n")) {
+ if (buffer < buffer_end && !starts_with(buffer, "\n")) {
/*
* The verify_headers() check will allow
* e.g. "[...]tagger <tagger>\nsome
if (!obj)
return report(options, NULL, OBJ_NONE, FSCK_MSG_BAD_OBJECT_SHA1, "no valid object to fsck");
- if (obj->type == OBJ_BLOB)
- return fsck_blob(&obj->oid, data, size, options);
- if (obj->type == OBJ_TREE)
- return fsck_tree(&obj->oid, data, size, options);
- if (obj->type == OBJ_COMMIT)
- return fsck_commit(&obj->oid, data, size, options);
- if (obj->type == OBJ_TAG)
- return fsck_tag(&obj->oid, data, size, options);
+ return fsck_buffer(&obj->oid, obj->type, data, size, options);
+}
+
+int fsck_buffer(const struct object_id *oid, enum object_type type,
+ void *data, unsigned long size,
+ struct fsck_options *options)
+{
+ if (type == OBJ_BLOB)
+ return fsck_blob(oid, data, size, options);
+ if (type == OBJ_TREE)
+ return fsck_tree(oid, data, size, options);
+ if (type == OBJ_COMMIT)
+ return fsck_commit(oid, data, size, options);
+ if (type == OBJ_TAG)
+ return fsck_tag(oid, data, size, options);
- return report(options, &obj->oid, obj->type,
+ return report(options, oid, type,
FSCK_MSG_UNKNOWN_TYPE,
"unknown type '%d' (internal fsck error)",
- obj->type);
+ type);
}
int fsck_error_function(struct fsck_options *o,
int fsck_object(struct object *obj, void *data, unsigned long size,
struct fsck_options *options);
+/*
+ * Same as fsck_object(), but for when the caller doesn't have an object
+ * struct.
+ */
+int fsck_buffer(const struct object_id *oid, enum object_type,
+ void *data, unsigned long size,
+ struct fsck_options *options);
+
/*
* fsck a tag, and pass info about it back to the caller. This is
* exposed fsck_object() internals for git-mktag(1).
#include "object-store.h"
#include "promisor-remote.h"
#include "submodule.h"
+#include "fsck.h"
/* The maximum size for an object header. */
#define MAX_HEADER_LEN 32
return repo_has_object_file_with_flags(r, oid, 0);
}
-static void check_tree(const void *buf, size_t size)
-{
- struct tree_desc desc;
- struct name_entry entry;
-
- init_tree_desc(&desc, buf, size);
- while (tree_entry(&desc, &entry))
- /* do nothing
- * tree_entry() will die() on malformed entries */
- ;
-}
-
-static void check_commit(const void *buf, size_t size)
-{
- struct commit c;
- memset(&c, 0, sizeof(c));
- if (parse_commit_buffer(the_repository, &c, buf, size, 0))
- die(_("corrupt commit"));
-}
-
-static void check_tag(const void *buf, size_t size)
-{
- struct tag t;
- memset(&t, 0, sizeof(t));
- if (parse_tag_buffer(the_repository, &t, buf, size))
- die(_("corrupt tag"));
+/*
+ * We can't use the normal fsck_error_function() for index_mem(),
+ * because we don't yet have a valid oid for it to report. Instead,
+ * report the minimal fsck error here, and rely on the caller to
+ * give more context.
+ */
+static int hash_format_check_report(struct fsck_options *opts,
+ const struct object_id *oid,
+ enum object_type object_type,
+ enum fsck_msg_type msg_type,
+ enum fsck_msg_id msg_id,
+ const char *message)
+{
+ error(_("object fails fsck: %s"), message);
+ return 1;
}
static int index_mem(struct index_state *istate,
}
}
if (flags & HASH_FORMAT_CHECK) {
- if (type == OBJ_TREE)
- check_tree(buf, size);
- if (type == OBJ_COMMIT)
- check_commit(buf, size);
- if (type == OBJ_TAG)
- check_tag(buf, size);
+ struct fsck_options opts = FSCK_OPTIONS_DEFAULT;
+
+ opts.strict = 1;
+ opts.error_func = hash_format_check_report;
+ if (fsck_buffer(null_oid(), type, buf, size, &opts))
+ die(_("refusing to create malformed object"));
+ fsck_finish(&opts);
}
if (write_object)
commit_sha1=$(echo_without_newline "$commit_message" | git commit-tree $tree_sha1)
commit_size=$(($(test_oid hexsz) + 137))
commit_content="tree $tree_sha1
-author $GIT_AUTHOR_NAME <$GIT_AUTHOR_EMAIL> 0000000000 +0000
-committer $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 0000000000 +0000
+author $GIT_AUTHOR_NAME <$GIT_AUTHOR_EMAIL> 0 +0000
+committer $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 0 +0000
$commit_message"
tag hellotag
tagger $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL>"
tag_description="This is a tag"
-tag_content="$tag_header_without_timestamp 0000000000 +0000
+tag_content="$tag_header_without_timestamp 0 +0000
$tag_description"
test_expect_success 'too-short tree' '
echo abc >malformed-tree &&
test_must_fail git hash-object -t tree malformed-tree 2>err &&
- test_i18ngrep "too-short tree object" err
+ grep "too-short tree object" err
'
test_expect_success 'malformed mode in tree' '
- hex_sha1=$(echo foo | git hash-object --stdin -w) &&
- bin_sha1=$(echo $hex_sha1 | hex2oct) &&
- printf "9100644 \0$bin_sha1" >tree-with-malformed-mode &&
+ hex_oid=$(echo foo | git hash-object --stdin -w) &&
+ bin_oid=$(echo $hex_oid | hex2oct) &&
+ printf "9100644 \0$bin_oid" >tree-with-malformed-mode &&
test_must_fail git hash-object -t tree tree-with-malformed-mode 2>err &&
- test_i18ngrep "malformed mode in tree entry" err
+ grep "malformed mode in tree entry" err
'
test_expect_success 'empty filename in tree' '
- hex_sha1=$(echo foo | git hash-object --stdin -w) &&
- bin_sha1=$(echo $hex_sha1 | hex2oct) &&
- printf "100644 \0$bin_sha1" >tree-with-empty-filename &&
+ hex_oid=$(echo foo | git hash-object --stdin -w) &&
+ bin_oid=$(echo $hex_oid | hex2oct) &&
+ printf "100644 \0$bin_oid" >tree-with-empty-filename &&
test_must_fail git hash-object -t tree tree-with-empty-filename 2>err &&
- test_i18ngrep "empty filename in tree entry" err
+ grep "empty filename in tree entry" err
+'
+
+test_expect_success 'duplicate filename in tree' '
+ hex_oid=$(echo foo | git hash-object --stdin -w) &&
+ bin_oid=$(echo $hex_oid | hex2oct) &&
+ {
+ printf "100644 file\0$bin_oid" &&
+ printf "100644 file\0$bin_oid"
+ } >tree-with-duplicate-filename &&
+ test_must_fail git hash-object -t tree tree-with-duplicate-filename 2>err &&
+ grep "duplicateEntries" err
'
test_expect_success 'corrupt commit' '
test_expect_success 'email with embedded > is not okay' '
git cat-file commit HEAD >basis &&
sed "s/@[a-z]/&>/" basis >bad-email &&
- new=$(git hash-object -t commit -w --stdin <bad-email) &&
+ new=$(git hash-object --literally -t commit -w --stdin <bad-email) &&
test_when_finished "remove_object $new" &&
git update-ref refs/heads/bogus "$new" &&
test_when_finished "git update-ref -d refs/heads/bogus" &&
test_expect_success 'missing < email delimiter is reported nicely' '
git cat-file commit HEAD >basis &&
sed "s/<//" basis >bad-email-2 &&
- new=$(git hash-object -t commit -w --stdin <bad-email-2) &&
+ new=$(git hash-object --literally -t commit -w --stdin <bad-email-2) &&
test_when_finished "remove_object $new" &&
git update-ref refs/heads/bogus "$new" &&
test_when_finished "git update-ref -d refs/heads/bogus" &&
test_expect_success 'missing email is reported nicely' '
git cat-file commit HEAD >basis &&
sed "s/[a-z]* <[^>]*>//" basis >bad-email-3 &&
- new=$(git hash-object -t commit -w --stdin <bad-email-3) &&
+ new=$(git hash-object --literally -t commit -w --stdin <bad-email-3) &&
test_when_finished "remove_object $new" &&
git update-ref refs/heads/bogus "$new" &&
test_when_finished "git update-ref -d refs/heads/bogus" &&
test_expect_success '> in name is reported' '
git cat-file commit HEAD >basis &&
sed "s/ </> </" basis >bad-email-4 &&
- new=$(git hash-object -t commit -w --stdin <bad-email-4) &&
+ new=$(git hash-object --literally -t commit -w --stdin <bad-email-4) &&
test_when_finished "remove_object $new" &&
git update-ref refs/heads/bogus "$new" &&
test_when_finished "git update-ref -d refs/heads/bogus" &&
git cat-file commit HEAD >basis &&
sed "s/^\\(author .*>\\) [0-9]*/\\1 18446744073709551617/" \
<basis >bad-timestamp &&
- new=$(git hash-object -t commit -w --stdin <bad-timestamp) &&
+ new=$(git hash-object --literally -t commit -w --stdin <bad-timestamp) &&
test_when_finished "remove_object $new" &&
git update-ref refs/heads/bogus "$new" &&
test_when_finished "git update-ref -d refs/heads/bogus" &&
test_expect_success 'commit with NUL in header' '
git cat-file commit HEAD >basis &&
sed "s/author ./author Q/" <basis | q_to_nul >commit-NUL-header &&
- new=$(git hash-object -t commit -w --stdin <commit-NUL-header) &&
+ new=$(git hash-object --literally -t commit -w --stdin <commit-NUL-header) &&
test_when_finished "remove_object $new" &&
git update-ref refs/heads/bogus "$new" &&
test_when_finished "git update-ref -d refs/heads/bogus" &&
git cat-file tree $T &&
git cat-file tree $T
) |
- git hash-object -w -t tree --stdin
+ git hash-object --literally -w -t tree --stdin
) &&
test_must_fail git fsck 2>out &&
test_i18ngrep "error in tree .*contains duplicate file entries" out
This is an invalid tag.
EOF
- tag=$(git hash-object -t tag -w --stdin <wrong-tag) &&
+ tag=$(git hash-object --literally -t tag -w --stdin <wrong-tag) &&
test_when_finished "remove_object $tag" &&
echo $tag >.git/refs/tags/wrong &&
test_when_finished "git update-ref -d refs/tags/wrong" &&
test_expect_success 'force fsck to ignore double author' '
git cat-file commit HEAD >basis &&
sed "s/^author .*/&,&/" <basis | tr , \\n >multiple-authors &&
- new=$(git hash-object -t commit -w --stdin <multiple-authors) &&
+ new=$(git hash-object --literally -t commit -w --stdin <multiple-authors) &&
test_when_finished "remove_object $new" &&
git update-ref refs/heads/bogus "$new" &&
test_when_finished "git update-ref -d refs/heads/bogus" &&
(git init null-blob &&
cd null-blob &&
sha=$(printf "100644 file$_bz$_bzoid" |
- git hash-object -w --stdin -t tree) &&
+ git hash-object --literally -w --stdin -t tree) &&
git fsck 2>out &&
test_i18ngrep "warning.*null sha1" out
)
(git init null-commit &&
cd null-commit &&
sha=$(printf "160000 submodule$_bz$_bzoid" |
- git hash-object -w --stdin -t tree) &&
+ git hash-object --literally -w --stdin -t tree) &&
git fsck 2>out &&
test_i18ngrep "warning.*null sha1" out
)
git commit --allow-empty -m "initial commitQNUL after message" &&
git cat-file commit HEAD >original &&
q_to_nul <original >munged &&
- git hash-object -w -t commit --stdin <munged >name &&
+ git hash-object --literally -w -t commit --stdin <munged >name &&
git branch bad $(cat name) &&
test_must_fail git -c fsck.nulInCommit=error fsck 2>warn.1 &&
git cat-file commit HEAD >basis &&
sed "s/</one/" basis >one &&
sed "s/</foo/" basis >two &&
- one=$(git hash-object -t commit -w one) &&
- two=$(git hash-object -t commit -w two) &&
+ one=$(git hash-object --literally -t commit -w one) &&
+ two=$(git hash-object --literally -t commit -w two) &&
pack=$(
{
echo $one &&
--- /dev/null
+#!/bin/sh
+
+test_description='fsck on buffers without NUL termination
+
+The goal here is to make sure that the various fsck parsers never look
+past the end of the buffer they are given, even when encountering broken
+or truncated objects.
+
+We have to use "hash-object" for this because most code paths that read objects
+append an extra NUL for safety after the buffer. But hash-object, since it is
+reading straight from a file (and possibly even mmap-ing it) cannot always do
+so.
+
+These tests _might_ catch such overruns in normal use, but should be run with
+ASan or valgrind for more confidence.
+'
+. ./test-lib.sh
+
+# the general idea for tags and commits is to build up the "base" file
+# progressively, and then test new truncations on top of it.
+reset () {
+ test_expect_success 'reset input to empty' '
+ >base
+ '
+}
+
+add () {
+ content="$1"
+ type=${content%% *}
+ test_expect_success "add $type line" '
+ echo "$content" >>base
+ '
+}
+
+check () {
+ type=$1
+ fsck=$2
+ content=$3
+ test_expect_success "truncated $type ($fsck, \"$content\")" '
+ # do not pipe into hash-object here; we want to increase
+ # the chance that it uses a fixed-size buffer or mmap,
+ # and a pipe would be read into a strbuf.
+ {
+ cat base &&
+ echo "$content"
+ } >input &&
+ test_must_fail git hash-object -t "$type" input 2>err &&
+ grep "$fsck" err
+ '
+}
+
+test_expect_success 'create valid objects' '
+ git commit --allow-empty -m foo &&
+ commit=$(git rev-parse --verify HEAD) &&
+ tree=$(git rev-parse --verify HEAD^{tree})
+'
+
+reset
+check commit missingTree ""
+check commit missingTree "tr"
+check commit missingTree "tree"
+check commit badTreeSha1 "tree "
+check commit badTreeSha1 "tree 1234"
+add "tree $tree"
+
+# these expect missingAuthor because "parent" is optional
+check commit missingAuthor ""
+check commit missingAuthor "par"
+check commit missingAuthor "parent"
+check commit badParentSha1 "parent "
+check commit badParentSha1 "parent 1234"
+add "parent $commit"
+
+check commit missingAuthor ""
+check commit missingAuthor "au"
+check commit missingAuthor "author"
+ident_checks () {
+ check $1 missingEmail "$2 "
+ check $1 missingEmail "$2 name"
+ check $1 badEmail "$2 name <"
+ check $1 badEmail "$2 name <email"
+ check $1 missingSpaceBeforeDate "$2 name <email>"
+ check $1 badDate "$2 name <email> "
+ check $1 badDate "$2 name <email> 1234"
+ check $1 badTimezone "$2 name <email> 1234 "
+ check $1 badTimezone "$2 name <email> 1234 +"
+}
+ident_checks commit author
+add "author name <email> 1234 +0000"
+
+check commit missingCommitter ""
+check commit missingCommitter "co"
+check commit missingCommitter "committer"
+ident_checks commit committer
+add "committer name <email> 1234 +0000"
+
+reset
+check tag missingObject ""
+check tag missingObject "obj"
+check tag missingObject "object"
+check tag badObjectSha1 "object "
+check tag badObjectSha1 "object 1234"
+add "object $commit"
+
+check tag missingType ""
+check tag missingType "ty"
+check tag missingType "type"
+check tag badType "type "
+check tag badType "type com"
+add "type commit"
+
+check tag missingTagEntry ""
+check tag missingTagEntry "ta"
+check tag missingTagEntry "tag"
+check tag badTagName "tag "
+add "tag foo"
+
+check tag missingTagger ""
+check tag missingTagger "ta"
+check tag missingTagger "tagger"
+ident_checks tag tagger
+
+# trees are a binary format and can't use our earlier helpers
+test_expect_success 'truncated tree (short hash)' '
+ printf "100644 foo\0\1\1\1\1" >input &&
+ test_must_fail git hash-object -t tree input 2>err &&
+ grep badTree err
+'
+
+test_expect_success 'truncated tree (missing nul)' '
+ # these two things are indistinguishable to the parser. The important
+ # thing about this is example is that there are enough bytes to
+ # make up a hash, and that there is no NUL (and we confirm that the
+ # parser does not walk past the end of the buffer).
+ printf "100644 a long filename, or a hash with missing nul?" >input &&
+ test_must_fail git hash-object -t tree input 2>err &&
+ grep badTree err
+'
+
+test_done
bogus_tree=$(
printf "100644 fooQ$name" |
q_to_nul |
- git hash-object -w --stdin -t tree
+ git hash-object --literally -w --stdin -t tree
)
'
make_tree_entry "$1" "$2" "$3"
shift; shift; shift
done |
- git hash-object -w -t tree --stdin
+ git hash-object --literally -w -t tree --stdin
}
# this is kind of a convoluted setup, but matches
git cat-file commit HEAD |
sed "/^author /s/>/>-<>/" >broken_email.commit &&
- git hash-object -w -t commit broken_email.commit >broken_email.hash &&
+ git hash-object --literally -w -t commit broken_email.commit >broken_email.hash &&
git update-ref refs/heads/broken_email $(cat broken_email.hash)
'
munge_author_date () {
git cat-file commit "$1" >commit.orig &&
sed "s/^\(author .*>\) [0-9]*/\1 $2/" <commit.orig >commit.munge &&
- git hash-object -w -t commit commit.munge
+ git hash-object --literally -w -t commit commit.munge
}
test_expect_success 'unparsable dates produce sentinel value' '
This is an invalid tag.
EOF
- tag=$(git hash-object -t tag -w --stdin <wrong-tag) &&
+ tag=$(git hash-object -t tag -w --stdin --literally <wrong-tag) &&
pack1=$(echo $tag $sha | git pack-objects tag-test) &&
echo remove tag object &&
thirtyeight=${tag#??} &&
EOF
test_expect_success 'setup bogus commit' '
- commit="$(git hash-object -t commit -w --stdin <bogus-commit)"
+ commit="$(git hash-object --literally -t commit -w --stdin <bogus-commit)"
'
test_expect_success 'fsck with no skipList input' '
This commit object intentionally broken
EOF
- BOGUS=$(git -C "$P" hash-object -t commit -w --stdin <bogus-commit) &&
+ BOGUS=$(git -C "$P" hash-object -t commit -w --stdin --literally <bogus-commit) &&
git -C "$P" branch bogus-branch "$BOGUS" &&
echo my-blob >"$P/my-blob" &&
git tag -a -m "Broken tag" taggerless &&
git tag -f taggerless $(git cat-file tag taggerless |
sed -e "/^tagger /d" |
- git hash-object --stdin -w -t tag)
+ git hash-object --literally --stdin -w -t tag)
'
test_atom refs/tags/taggerless type 'commit'
test_expect_success GPG 'detect fudged signature' '
git cat-file tag seventh-signed >raw &&
- sed -e "/^tag / s/seventh/7th forged/" raw >forged1 &&
+ sed -e "/^tag / s/seventh/7th-forged/" raw >forged1 &&
git hash-object -w -t tag forged1 >forged1.tag &&
test_must_fail git verify-tag $(cat forged1.tag) 2>actual1 &&
grep "BAD signature from" actual1 &&
test_expect_success GPGSSH 'detect fudged ssh signature' '
test_config gpg.ssh.allowedSignersFile "${GPGSSH_ALLOWED_SIGNERS}" &&
git cat-file tag seventh-signed >raw &&
- sed -e "/^tag / s/seventh/7th forged/" raw >forged1 &&
+ sed -e "/^tag / s/seventh/7th-forged/" raw >forged1 &&
git hash-object -w -t tag forged1 >forged1.tag &&
test_must_fail git verify-tag $(cat forged1.tag) 2>actual1 &&
grep "${GPGSSH_BAD_SIGNATURE}" actual1 &&
test_expect_success '--amend option with missing author' '
git cat-file commit Initial >tmp &&
sed "s/author [^<]* </author </" tmp >malformed &&
- sha=$(git hash-object -t commit -w malformed) &&
+ sha=$(git hash-object --literally -t commit -w malformed) &&
test_when_finished "remove_object $sha" &&
git checkout $sha &&
test_when_finished "git checkout Initial" &&
git cat-file commit seventh-signed >raw &&
cat raw >forged2 &&
echo Qwik | tr "Q" "\000" >>forged2 &&
- git hash-object -w -t commit forged2 >forged2.commit &&
+ git hash-object --literally -w -t commit forged2 >forged2.commit &&
test_must_fail git verify-commit $(cat forged2.commit) &&
git show --pretty=short --show-signature $(cat forged2.commit) >actual2 &&
grep "BAD signature from" actual2 &&
git cat-file commit seventh-signed >raw &&
cat raw >forged2 &&
echo Qwik | tr "Q" "\000" >>forged2 &&
- git hash-object -w -t commit forged2 >forged2.commit &&
+ git hash-object --literally -w -t commit forged2 >forged2.commit &&
test_must_fail git verify-commit $(cat forged2.commit) &&
git show --pretty=short --show-signature $(cat forged2.commit) >actual2 &&
grep "${GPGSSH_BAD_SIGNATURE}" actual2 &&
some message
EOF
- COMMIT=$(git hash-object -t commit -w badcommit) &&
+ COMMIT=$(git hash-object --literally -t commit -w badcommit) &&
git --no-pager blame $COMMIT -- uno >/dev/null
'
test_expect_success 'cope with tagger-less tags' '
- TAG=$(git hash-object -t tag -w tag-content) &&
+ TAG=$(git hash-object --literally -t tag -w tag-content) &&
git update-ref refs/tags/sonnenschein $TAG &&
git fast-export -C -C --signed-tags=strip --all > output &&
test $(grep -c "^tag " output) = 4 &&
projects / thirdparty / git.git / commitdiff
