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upstream: switch scp(1) back to sftp protocol. 

openbsd 7.0 release shipped with the (hopefully last) scp that uses RCP
protocol for copying.  Let's get back to testing the SFTP protocol.

OpenBSD-Commit-ID: 9eaa35d95fd547b78b0a043b3f518e135f151f30
This commit is contained in:
deraadt@openbsd.org 2021-10-15 14:46:46 +00:00 committed by Darren Tucker
parent a07664646b
commit 052a9d8494
2 changed files with 16 additions and 12 deletions
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24
scp.1
View File

@ -8,9 +8,9 @@
.\"
.\" Created: Sun May 7 00:14:37 1995 ylo
.\"
.\" $OpenBSD: scp.1,v 1.105 2021/09/20 06:53:56 djm Exp $
.\" $OpenBSD: scp.1,v 1.106 2021/10/15 14:46:46 deraadt Exp $
.\"
.Dd $Mdocdate: September 20 2021 $
.Dd $Mdocdate: October 15 2021 $
.Dt SCP 1
.Os
.Sh NAME
@ -76,7 +76,9 @@ The options are as follows:
Copies between two remote hosts are transferred through the local host.
Without this option the data is copied directly between the two remote
hosts.
Note that, when using the original SCP protocol (the default), this option
Note that, when using the legacy SCP protocol (via the
.Fl O
flag), this option
selects batch mode for the second host as
.Nm
cannot ask for passwords or passphrases for both hosts.
@ -109,7 +111,7 @@ This option is directly passed to
.Xr ssh 1 .
.It Fl D Ar sftp_server_path
When using the SFTP protocol support via
.Fl s ,
.Fl M ,
connect directly to a local SFTP server program rather than a
remote one via
.Xr ssh 1 .
@ -141,13 +143,12 @@ This option is directly passed to
.It Fl l Ar limit
Limits the used bandwidth, specified in Kbit/s.
.It Fl O
Use the original SCP protocol for file transfers instead of the SFTP protocol.
Use the legacy SCP protocol for file transfers instead of the SFTP protocol.
Forcing the use of the SCP protocol may be necessary for servers that do
not implement SFTP, for backwards-compatibility for particular filename
wildcard patterns and for expanding paths with a
.Sq ~
prefix for older SFTP servers.
This mode is the default.
.It Fl o Ar ssh_option
Can be used to pass options to
.Nm ssh
@ -257,8 +258,6 @@ to use for the encrypted connection.
The program must understand
.Xr ssh 1
options.
.It Fl s
Use the SFTP protocol for transfers rather than the original scp protocol.
.It Fl T
Disable strict filename checking.
By default when copying files from a remote host to a local directory
@ -295,12 +294,17 @@ debugging connection, authentication, and configuration problems.
is based on the rcp program in
.Bx
source code from the Regents of the University of California.
.Pp
Since OpenSSH 8.8,
.Nm
has use the SFTP protocol for transfers by default.
.Sh AUTHORS
.An Timo Rinne Aq Mt tri@iki.fi
.An Tatu Ylonen Aq Mt ylo@cs.hut.fi
.Sh CAVEATS
The original SCP protocol (used by default) requires execution of the
remote user's shell to perform
The legacy SCP protocol (selected by the
.Fl O
flag) requires execution of the remote user's shell to perform
.Xr glob 3
pattern matching.
This requires careful quoting of any characters that have special meaning to

4
scp.c
View File

@ -1,4 +1,4 @@
/* $OpenBSD: scp.c,v 1.239 2021/09/20 06:53:56 djm Exp $ */
/* $OpenBSD: scp.c,v 1.240 2021/10/15 14:46:46 deraadt Exp $ */
/*
* scp - secure remote copy. This is basically patched BSD rcp which
* uses ssh to do the data transfer (instead of using rcmd).
@ -448,7 +448,7 @@ main(int argc, char **argv)
const char *errstr;
extern char *optarg;
extern int optind;
enum scp_mode_e mode = MODE_SCP;
enum scp_mode_e mode = MODE_SFTP;
char *sftp_direct = NULL;
/* Ensure that fds 0, 1 and 2 are open or directed to /dev/null */