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authordtucker@openbsd.org <dtucker@openbsd.org>2020-02-26 11:46:51 +0000
committerDarren Tucker <dtucker@dtucker.net>2020-02-26 23:07:02 +1100
commit9e3220b585c5be19a7431ea4ff8884c137b3a81c (patch)
tree7d9398a01cef869f65106474a8764507be9d1477
parentade8e67bb0f07b12e5e47e7baeafbdc898de639f (diff)
upstream: Have sftp reject "-1" in the same way as ssh(1) and
scp(1) do instead of accepting and silently ignoring it since protocol 1 support has been removed. Spotted by shivakumar2696 at gmail.com, ok deraadt@ OpenBSD-Commit-ID: b79f95559a1c993214f4ec9ae3c34caa87e9d5de
-rw-r--r--sftp.c11
1 files changed, 4 insertions, 7 deletions
diff --git a/sftp.c b/sftp.c
index ff14d3c2..fc809dc6 100644
--- a/sftp.c
+++ b/sftp.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: sftp.c,v 1.197 2020/01/23 07:10:22 dtucker Exp $ */
+/* $OpenBSD: sftp.c,v 1.198 2020/02/26 11:46:51 dtucker Exp $ */
/*
* Copyright (c) 2001-2004 Damien Miller <djm@openbsd.org>
*
@@ -2377,7 +2377,7 @@ main(int argc, char **argv)
{
int in, out, ch, err, tmp, port = -1;
char *host = NULL, *user, *cp, *file2 = NULL;
- int debug_level = 0, sshver = 2;
+ int debug_level = 0;
char *file1 = NULL, *sftp_server = NULL;
char *ssh_program = _PATH_SSH_PROGRAM, *sftp_direct = NULL;
const char *errstr;
@@ -2445,12 +2445,10 @@ main(int argc, char **argv)
debug_level++;
break;
case '1':
- sshver = 1;
- if (sftp_server == NULL)
- sftp_server = _PATH_SFTP_SERVER;
+ fatal("SSH protocol v.1 is no longer supported");
break;
case '2':
- sshver = 2;
+ /* accept silently */
break;
case 'a':
global_aflag = 1;
@@ -2555,7 +2553,6 @@ main(int argc, char **argv)
addargs(&args, "-l");
addargs(&args, "%s", user);
}
- addargs(&args, "-oProtocol %d", sshver);
/* no subsystem if the server-spec contains a '/' */
if (sftp_server == NULL || strchr(sftp_server, '/') == NULL)