130 lines
4.2 KiB
Diff
130 lines
4.2 KiB
Diff
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diff --git a/scp.1 b/scp.1
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index 68aac04b..a96e95ad 100644
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--- a/scp.1
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+++ b/scp.1
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@@ -8,9 +8,9 @@
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.\"
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.\" Created: Sun May 7 00:14:37 1995 ylo
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.\"
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-.\" $OpenBSD: scp.1,v 1.100 2021/08/11 14:07:54 naddy Exp $
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+.\" $OpenBSD: scp.1,v 1.101 2021/09/08 23:31:39 djm Exp $
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.\"
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-.Dd $Mdocdate: August 11 2021 $
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+.Dd $Mdocdate: September 8 2021 $
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.Dt SCP 1
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.Os
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.Sh NAME
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@@ -18,7 +18,7 @@
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.Nd OpenSSH secure file copy
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.Sh SYNOPSIS
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.Nm scp
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-.Op Fl 346ABCOpqRrsTv
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+.Op Fl 346ABCOpqRrTv
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.Op Fl c Ar cipher
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.Op Fl D Ar sftp_server_path
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.Op Fl F Ar ssh_config
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@@ -37,9 +37,6 @@ It uses
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.Xr ssh 1
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for data transfer, and uses the same authentication and provides the
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same security as a login session.
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-The scp protocol requires execution of the remote user's shell to perform
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-.Xr glob 3
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-pattern matching.
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.Pp
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.Nm
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will ask for passwords or passphrases if they are needed for
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@@ -79,7 +76,9 @@ The options are as follows:
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Copies between two remote hosts are transferred through the local host.
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Without this option the data is copied directly between the two remote
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hosts.
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-Note that, when using the legacy SCP protocol (the default), this option
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+Note that, when using the legacy SCP protocol (via the
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+.Fl O
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+flag), this option
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selects batch mode for the second host as
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.Nm
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cannot ask for passwords or passphrases for both hosts.
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@@ -146,9 +145,10 @@ Limits the used bandwidth, specified in Kbit/s.
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.It Fl O
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Use the legacy SCP protocol for file transfers instead of the SFTP protocol.
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Forcing the use of the SCP protocol may be necessary for servers that do
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-not implement SFTP or for backwards-compatibility for particular filename
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-wildcard patterns.
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-This mode is the default.
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+not implement SFTP, for backwards-compatibility for particular filename
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+wildcard patterns and for expanding paths with a
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+.Sq ~
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+prefix for older SFTP servers.
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.It Fl o Ar ssh_option
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Can be used to pass options to
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.Nm ssh
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@@ -258,16 +258,6 @@ to use for the encrypted connection.
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The program must understand
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.Xr ssh 1
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options.
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-.It Fl s
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-Use the SFTP protocol for file transfers instead of the legacy SCP protocol.
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-Using SFTP avoids invoking a shell on the remote side and provides
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-more predictable filename handling, as the SCP protocol
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-relied on the remote shell for expanding
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-.Xr glob 3
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-wildcards.
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-.Pp
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-A near-future release of OpenSSH will make the SFTP protocol the default.
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-This option will be deleted before the end of 2022.
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.It Fl T
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Disable strict filename checking.
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By default when copying files from a remote host to a local directory
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@@ -299,11 +289,23 @@ debugging connection, authentication, and configuration problems.
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.Xr ssh_config 5 ,
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.Xr sftp-server 8 ,
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.Xr sshd 8
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+.Sh CAVEATS
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+The original scp protocol (selected by the
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+.Fl O
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+flag) requires execution of the remote user's shell to perform
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+.Xr glob 3
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+pattern matching.
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+This requires careful quoting of any characters that have special meaning to
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+the remote shell, such as quote characters.
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.Sh HISTORY
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.Nm
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is based on the rcp program in
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.Bx
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source code from the Regents of the University of California.
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+.Pp
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+Since OpenSSH 8.8 (8.7 in Red Hat/Fedora builds),
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+.Nm
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+has use the SFTP protocol for transfers by default.
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.Sh AUTHORS
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.An Timo Rinne Aq Mt tri@iki.fi
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.An Tatu Ylonen Aq Mt ylo@cs.hut.fi
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diff --git a/scp.c b/scp.c
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index e039350c..c7cf7529 100644
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--- a/scp.c
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+++ b/scp.c
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@@ -1,4 +1,4 @@
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-/* $OpenBSD: scp.c,v 1.232 2021/08/11 14:07:54 naddy Exp $ */
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+/* $OpenBSD: scp.c,v 1.233 2021/09/08 23:31:39 djm Exp $ */
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/*
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* scp - secure remote copy. This is basically patched BSD rcp which
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* uses ssh to do the data transfer (instead of using rcmd).
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@@ -448,7 +448,7 @@ main(int argc, char **argv)
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const char *errstr;
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extern char *optarg;
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extern int optind;
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- enum scp_mode_e mode = MODE_SCP;
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+ enum scp_mode_e mode = MODE_SFTP;
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char *sftp_direct = NULL;
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/* Ensure that fds 0, 1 and 2 are open or directed to /dev/null */
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@@ -1983,7 +1983,7 @@ void
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usage(void)
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{
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(void) fprintf(stderr,
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- "usage: scp [-346ABCOpqRrsTv] [-c cipher] [-D sftp_server_path] [-F ssh_config]\n"
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+ "usage: scp [-346ABCOpqRrTv] [-c cipher] [-D sftp_server_path] [-F ssh_config]\n"
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" [-i identity_file] [-J destination] [-l limit]\n"
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" [-o ssh_option] [-P port] [-S program] source ... target\n");
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exit(1);
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