#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);
static int fsck_ident(const char **ident, struct object *obj, struct fsck_options *options)
{
+ const char *p = *ident;
char *end;
- if (**ident == '<')
+ *ident = strchrnul(*ident, '\n');
+ if (**ident == '\n')
+ (*ident)++;
+
+ if (*p == '<')
return report(options, obj, FSCK_MSG_MISSING_NAME_BEFORE_EMAIL, "invalid author/committer line - missing space before email");
- *ident += strcspn(*ident, "<>\n");
- if (**ident == '>')
+ p += strcspn(p, "<>\n");
+ if (*p == '>')
return report(options, obj, FSCK_MSG_BAD_NAME, "invalid author/committer line - bad name");
- if (**ident != '<')
+ if (*p != '<')
return report(options, obj, FSCK_MSG_MISSING_EMAIL, "invalid author/committer line - missing email");
- if ((*ident)[-1] != ' ')
+ if (p[-1] != ' ')
return report(options, obj, FSCK_MSG_MISSING_SPACE_BEFORE_EMAIL, "invalid author/committer line - missing space before email");
- (*ident)++;
- *ident += strcspn(*ident, "<>\n");
- if (**ident != '>')
+ p++;
+ p += strcspn(p, "<>\n");
+ if (*p != '>')
return report(options, obj, FSCK_MSG_BAD_EMAIL, "invalid author/committer line - bad email");
- (*ident)++;
- if (**ident != ' ')
+ p++;
+ if (*p != ' ')
return report(options, obj, FSCK_MSG_MISSING_SPACE_BEFORE_DATE, "invalid author/committer line - missing space before date");
- (*ident)++;
- if (**ident == '0' && (*ident)[1] != ' ')
+ p++;
+ if (*p == '0' && p[1] != ' ')
return report(options, obj, FSCK_MSG_ZERO_PADDED_DATE, "invalid author/committer line - zero-padded date");
- if (date_overflows(strtoul(*ident, &end, 10)))
+ if (date_overflows(strtoul(p, &end, 10)))
return report(options, obj, FSCK_MSG_BAD_DATE_OVERFLOW, "invalid author/committer line - date causes integer overflow");
- if (end == *ident || *end != ' ')
+ if ((end == p || *end != ' '))
return report(options, obj, FSCK_MSG_BAD_DATE, "invalid author/committer line - bad date");
- *ident = end + 1;
- if ((**ident != '+' && **ident != '-') ||
- !isdigit((*ident)[1]) ||
- !isdigit((*ident)[2]) ||
- !isdigit((*ident)[3]) ||
- !isdigit((*ident)[4]) ||
- ((*ident)[5] != '\n'))
+ p = end + 1;
+ if ((*p != '+' && *p != '-') ||
+ !isdigit(p[1]) ||
+ !isdigit(p[2]) ||
+ !isdigit(p[3]) ||
+ !isdigit(p[4]) ||
+ (p[5] != '\n'))
return report(options, obj, FSCK_MSG_BAD_TIMEZONE, "invalid author/committer line - bad time zone");
- (*ident) += 6;
+ p += 6;
return 0;
}
{
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 (!skip_prefix(buffer, "tree ", &buffer))
return report(options, &commit->object, FSCK_MSG_MISSING_TREE, "invalid format - expected 'tree' line");
- if (get_sha1_hex(buffer, tree_sha1) || buffer[40] != '\n')
- return report(options, &commit->object, FSCK_MSG_BAD_TREE_SHA1, "invalid 'tree' line format - bad sha1");
+ if (get_sha1_hex(buffer, tree_sha1) || buffer[40] != '\n') {
+ err = report(options, &commit->object, FSCK_MSG_BAD_TREE_SHA1, "invalid 'tree' line format - bad sha1");
+ if (err)
+ return err;
+ }
buffer += 41;
while (skip_prefix(buffer, "parent ", &buffer)) {
- if (get_sha1_hex(buffer, sha1) || buffer[40] != '\n')
- return report(options, &commit->object, FSCK_MSG_BAD_PARENT_SHA1, "invalid 'parent' line format - bad sha1");
+ if (get_sha1_hex(buffer, sha1) || buffer[40] != '\n') {
+ err = report(options, &commit->object, FSCK_MSG_BAD_PARENT_SHA1, "invalid 'parent' line format - bad sha1");
+ if (err)
+ return err;
+ }
buffer += 41;
parent_line_count++;
}
if (graft) {
if (graft->nr_parent == -1 && !parent_count)
; /* shallow commit */
- else if (graft->nr_parent != parent_count)
- return report(options, &commit->object, FSCK_MSG_MISSING_GRAFT, "graft objects missing");
+ else if (graft->nr_parent != parent_count) {
+ err = report(options, &commit->object, FSCK_MSG_MISSING_GRAFT, "graft objects missing");
+ if (err)
+ return err;
+ }
} else {
- if (parent_count != parent_line_count)
- return report(options, &commit->object, FSCK_MSG_MISSING_PARENT, "parent objects missing");
+ if (parent_count != parent_line_count) {
+ err = report(options, &commit->object, FSCK_MSG_MISSING_PARENT, "parent objects missing");
+ if (err)
+ 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 (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);