40 lines
1.2 KiB
Diff
40 lines
1.2 KiB
Diff
|
From 6010c0303a422a9c5fa8860c061bf7105eb7f8b2 Mon Sep 17 00:00:00 2001
|
||
|
|
From: "djm@openbsd.org" <djm@openbsd.org>
|
||
|
|
Date: Fri, 16 Nov 2018 03:03:10 +0000
|
||
|
|
Subject: [PATCH] upstream: disallow empty incoming filename or ones that refer
|
||
|
|
to the
|
||
|
|
|
||
|
|
current directory; based on report/patch from Harry Sintonen
|
||
|
|
|
||
|
|
OpenBSD-Commit-ID: f27651b30eaee2df49540ab68d030865c04f6de9
|
||
|
|
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
|
||
|
|
---
|
||
|
|
Upstream status (openssh-portable): commit 6010c0303a422
|
||
|
|
|
||
|
|
scp.c | 5 +++--
|
||
|
|
1 file changed, 3 insertions(+), 2 deletions(-)
|
||
|
|
|
||
|
|
diff --git a/scp.c b/scp.c
|
||
|
|
index 60682c68769b..4f3fdcd3db89 100644
|
||
|
|
--- a/scp.c
|
||
|
|
+++ b/scp.c
|
||
|
|
@@ -1,4 +1,4 @@
|
||
|
|
-/* $OpenBSD: scp.c,v 1.197 2018/06/01 04:31:48 dtucker Exp $ */
|
||
|
|
+/* $OpenBSD: scp.c,v 1.198 2018/11/16 03:03:10 djm Exp $ */
|
||
|
|
/*
|
||
|
|
* scp - secure remote copy. This is basically patched BSD rcp which
|
||
|
|
* uses ssh to do the data transfer (instead of using rcmd).
|
||
|
|
@@ -1106,7 +1106,8 @@ sink(int argc, char **argv)
|
||
|
|
SCREWUP("size out of range");
|
||
|
|
size = (off_t)ull;
|
||
|
|
|
||
|
|
- if ((strchr(cp, '/') != NULL) || (strcmp(cp, "..") == 0)) {
|
||
|
|
+ if (*cp == '\0' || strchr(cp, '/') != NULL ||
|
||
|
|
+ strcmp(cp, ".") == 0 || strcmp(cp, "..") == 0) {
|
||
|
|
run_err("error: unexpected filename: %s", cp);
|
||
|
|
exit(1);
|
||
|
|
}
|
||
|
|
--
|
||
|
|
2.20.1
|
||
|
|
|