Revision a124133e1e6ab5c7a9fef6d0e6bcb084e3455b46 authored by Jeff King on 24 September 2018, 08:37:17 UTC, committed by Junio C Hamano on 27 September 2018, 18:41:26 UTC
Urls with leading dashes can cause mischief on older versions of Git. We should detect them so that they can be rejected by receive.fsckObjects, preventing modern versions of git from being a vector by which attacks can spread. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
1 parent e43aab7
fsck.h
#ifndef GIT_FSCK_H
#define GIT_FSCK_H
#define FSCK_ERROR 1
#define FSCK_WARN 2
#define FSCK_IGNORE 3
struct fsck_options;
void fsck_set_msg_type(struct fsck_options *options,
const char *msg_id, const char *msg_type);
void fsck_set_msg_types(struct fsck_options *options, const char *values);
int is_valid_msg_type(const char *msg_id, const char *msg_type);
/*
* callback function for fsck_walk
* type is the expected type of the object or OBJ_ANY
* the return value is:
* 0 everything OK
* <0 error signaled and abort
* >0 error signaled and do not abort
*/
typedef int (*fsck_walk_func)(struct object *obj, int type, void *data, struct fsck_options *options);
/* callback for fsck_object, type is FSCK_ERROR or FSCK_WARN */
typedef int (*fsck_error)(struct fsck_options *o,
struct object *obj, int type, const char *message);
int fsck_error_function(struct fsck_options *o,
struct object *obj, int type, const char *message);
struct fsck_options {
fsck_walk_func walk;
fsck_error error_func;
unsigned strict:1;
int *msg_type;
struct oid_array *skiplist;
struct decoration *object_names;
};
#define FSCK_OPTIONS_DEFAULT { NULL, fsck_error_function, 0, NULL }
#define FSCK_OPTIONS_STRICT { NULL, fsck_error_function, 1, NULL }
/* descend in all linked child objects
* the return value is:
* -1 error in processing the object
* <0 return value of the callback, which lead to an abort
* >0 return value of the first signaled error >0 (in the case of no other errors)
* 0 everything OK
*/
int fsck_walk(struct object *obj, void *data, struct fsck_options *options);
/* If NULL is passed for data, we assume the object is local and read it. */
int fsck_object(struct object *obj, void *data, unsigned long size,
struct fsck_options *options);
/*
* Some fsck checks are context-dependent, and may end up queued; run this
* after completing all fsck_object() calls in order to resolve any remaining
* checks.
*/
int fsck_finish(struct fsck_options *options);
#endif
![swh spinner](/static/img/swh-spinner.gif)
Computing file changes ...