#include "fsck.h"
#include "refs.h"
#include "utf8.h"
+#include "sha1-array.h"
+
+#define FSCK_FATAL -1
+#define FSCK_INFO -2
#define FOREACH_MSG_ID(FUNC) \
+ /* fatal errors */ \
+ FUNC(NUL_IN_HEADER, FATAL) \
+ FUNC(UNTERMINATED_HEADER, FATAL) \
/* errors */ \
FUNC(BAD_DATE, ERROR) \
FUNC(BAD_DATE_OVERFLOW, ERROR) \
FUNC(MISSING_TREE, ERROR) \
FUNC(MISSING_TYPE, ERROR) \
FUNC(MISSING_TYPE_ENTRY, ERROR) \
- FUNC(NUL_IN_HEADER, ERROR) \
+ FUNC(MULTIPLE_AUTHORS, ERROR) \
FUNC(TAG_OBJECT_NOT_TAG, ERROR) \
FUNC(TREE_NOT_SORTED, ERROR) \
FUNC(UNKNOWN_TYPE, ERROR) \
- FUNC(UNTERMINATED_HEADER, ERROR) \
FUNC(ZERO_PADDED_DATE, ERROR) \
/* warnings */ \
FUNC(BAD_FILEMODE, WARN) \
- FUNC(BAD_TAG_NAME, WARN) \
FUNC(EMPTY_NAME, WARN) \
FUNC(FULL_PATHNAME, WARN) \
FUNC(HAS_DOT, WARN) \
FUNC(HAS_DOTDOT, WARN) \
FUNC(HAS_DOTGIT, WARN) \
- FUNC(MISSING_TAGGER_ENTRY, WARN) \
FUNC(NULL_SHA1, WARN) \
- FUNC(ZERO_PADDED_FILEMODE, WARN)
+ FUNC(ZERO_PADDED_FILEMODE, WARN) \
+ /* infos (reported as warnings, but ignored by default) */ \
+ FUNC(BAD_TAG_NAME, INFO) \
+ FUNC(MISSING_TAGGER_ENTRY, INFO)
#define MSG_ID(id, msg_type) FSCK_MSG_##id,
enum fsck_msg_id {
return msg_type;
}
+static void init_skiplist(struct fsck_options *options, const char *path)
+{
+ static struct sha1_array skiplist = SHA1_ARRAY_INIT;
+ int sorted, fd;
+ char buffer[41];
+ unsigned char sha1[20];
+
+ if (options->skiplist)
+ sorted = options->skiplist->sorted;
+ else {
+ sorted = 1;
+ options->skiplist = &skiplist;
+ }
+
+ fd = open(path, O_RDONLY);
+ if (fd < 0)
+ die("Could not open skip list: %s", path);
+ for (;;) {
+ int result = read_in_full(fd, buffer, sizeof(buffer));
+ if (result < 0)
+ die_errno("Could not read '%s'", path);
+ if (!result)
+ break;
+ if (get_sha1_hex(buffer, sha1) || buffer[40] != '\n')
+ die("Invalid SHA-1: %s", buffer);
+ sha1_array_append(&skiplist, sha1);
+ if (sorted && skiplist.nr > 1 &&
+ hashcmp(skiplist.sha1[skiplist.nr - 2],
+ sha1) > 0)
+ sorted = 0;
+ }
+ close(fd);
+
+ if (sorted)
+ skiplist.sorted = 1;
+}
+
static int parse_msg_type(const char *str)
{
if (!strcmp(str, "error"))
return FSCK_ERROR;
else if (!strcmp(str, "warn"))
return FSCK_WARN;
+ else if (!strcmp(str, "ignore"))
+ return FSCK_IGNORE;
else
die("Unknown fsck message type: '%s'", str);
}
die("Unhandled message id: %s", msg_id);
type = parse_msg_type(msg_type);
+ if (type != FSCK_ERROR && msg_id_info[id].msg_type == FSCK_FATAL)
+ die("Cannot demote %s to %s", msg_id, msg_type);
+
if (!options->msg_type) {
int i;
int *msg_type = xmalloc(sizeof(int) * FSCK_MSG_MAX);
buf[equal] = tolower(buf[equal]);
buf[equal] = '\0';
+ if (!strcmp(buf, "skiplist")) {
+ if (equal == len)
+ die("skiplist requires a path");
+ init_skiplist(options, buf + equal + 1);
+ buf += len + 1;
+ continue;
+ }
+
if (equal == len)
die("Missing '=': '%s'", buf);
struct strbuf sb = STRBUF_INIT;
int msg_type = fsck_msg_type(id, options), result;
+ if (msg_type == FSCK_IGNORE)
+ return 0;
+
+ if (options->skiplist && object &&
+ sha1_array_lookup(options->skiplist, object->sha1) >= 0)
+ return 0;
+
+ if (msg_type == FSCK_FATAL)
+ msg_type = FSCK_ERROR;
+ else if (msg_type == FSCK_INFO)
+ msg_type = FSCK_WARN;
+
append_msg_id(&sb, msg_id_info[id].id_string);
va_start(ap, fmt);
return retval;
}
-static int require_end_of_header(const void *data, unsigned long size,
- struct object *obj, struct fsck_options *options)
+static int verify_headers(const void *data, unsigned long size,
+ struct object *obj, struct fsck_options *options)
{
const char *buffer = (const char *)data;
unsigned long i;
}
}
+ /*
+ * We did not find double-LF that separates the header
+ * and the body. Not having a body is not a crime but
+ * we do want to see the terminating LF for the last header
+ * line.
+ */
+ if (size && buffer[size - 1] == '\n')
+ return 0;
+
return report(options, obj,
FSCK_MSG_UNTERMINATED_HEADER, "unterminated header");
}
{
unsigned char tree_sha1[20], sha1[20];
struct commit_graft *graft;
- unsigned parent_count, parent_line_count = 0;
+ unsigned parent_count, parent_line_count = 0, author_count;
int err;
- if (require_end_of_header(buffer, size, &commit->object, options))
+ if (verify_headers(buffer, size, &commit->object, options))
return -1;
if (!skip_prefix(buffer, "tree ", &buffer))
return err;
}
}
- if (!skip_prefix(buffer, "author ", &buffer))
- return report(options, &commit->object, FSCK_MSG_MISSING_AUTHOR, "invalid format - expected 'author' line");
- err = fsck_ident(&buffer, &commit->object, options);
+ author_count = 0;
+ while (skip_prefix(buffer, "author ", &buffer)) {
+ author_count++;
+ err = fsck_ident(&buffer, &commit->object, options);
+ if (err)
+ return err;
+ }
+ if (author_count < 1)
+ err = report(options, &commit->object, FSCK_MSG_MISSING_AUTHOR, "invalid format - expected 'author' line");
+ else if (author_count > 1)
+ err = report(options, &commit->object, FSCK_MSG_MULTIPLE_AUTHORS, "invalid format - multiple 'author' lines");
if (err)
return err;
if (!skip_prefix(buffer, "committer ", &buffer))
}
}
- if (require_end_of_header(buffer, size, &tag->object, options))
+ if (verify_headers(buffer, size, &tag->object, options))
goto done;
if (!skip_prefix(buffer, "object ", &buffer)) {
}
if (get_sha1_hex(buffer, sha1) || buffer[40] != '\n') {
ret = report(options, &tag->object, FSCK_MSG_BAD_OBJECT_SHA1, "invalid 'object' line format - bad sha1");
- goto done;
+ if (ret)
+ goto done;
}
buffer += 41;
goto done;
}
strbuf_addf(&sb, "refs/tags/%.*s", (int)(eol - buffer), buffer);
- if (check_refname_format(sb.buf, 0))
- report(options, &tag->object, FSCK_MSG_BAD_TAG_NAME,
+ if (check_refname_format(sb.buf, 0)) {
+ ret = report(options, &tag->object, FSCK_MSG_BAD_TAG_NAME,
"invalid 'tag' name: %.*s",
(int)(eol - buffer), buffer);
+ if (ret)
+ goto done;
+ }
buffer = eol + 1;
- if (!skip_prefix(buffer, "tagger ", &buffer))
+ if (!skip_prefix(buffer, "tagger ", &buffer)) {
/* early tags do not contain 'tagger' lines; warn only */
- report(options, &tag->object, FSCK_MSG_MISSING_TAGGER_ENTRY, "invalid format - expected 'tagger' line");
+ ret = report(options, &tag->object, FSCK_MSG_MISSING_TAGGER_ENTRY, "invalid format - expected 'tagger' line");
+ if (ret)
+ goto done;
+ }
else
ret = fsck_ident(&buffer, &tag->object, options);