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- markus@cvs.openbsd.org 2000/09/05 02:59:57 [session.c] print hostname (not hushlogin) - markus@cvs.openbsd.org 2000/09/05 13:18:48 [authfile.c ssh-add.c] enable ssh-add -d for DSA keys - markus@cvs.openbsd.org 2000/09/05 13:20:49 [sftp-server.c] cleanup - markus@cvs.openbsd.org 2000/09/06 03:46:41 [authfile.h] prototype - deraadt@cvs.openbsd.org 2000/09/07 14:27:56 [ALL] cleanup copyright notices on all files. I have attempted to be accurate with the details. everything is now under Tatu's licence (which I copied from his readme), and/or the core-sdi bsd-ish thing for deattack, or various openbsd developers under a 2-term bsd licence. We're not changing any rules, just being accurate. - markus@cvs.openbsd.org 2000/09/07 14:40:30 [channels.c channels.h clientloop.c serverloop.c ssh.c] cleanup window and packet sizes for ssh2 flow control; ok niels - markus@cvs.openbsd.org 2000/09/07 14:53:00 [scp.c] typo - markus@cvs.openbsd.org 2000/09/07 15:13:37 [auth-options.c auth-options.h auth-rh-rsa.c auth-rsa.c auth.c] [authfile.h canohost.c channels.h compat.c hostfile.h log.c match.h] [pty.c readconf.c] some more Copyright fixes - markus@cvs.openbsd.org 2000/09/08 03:02:51 [README.openssh2] bye bye - deraadt@cvs.openbsd.org 2000/09/11 18:38:33 [LICENCE cipher.c] a few more comments about it being ARC4 not RC4 - markus@cvs.openbsd.org 2000/09/12 14:53:11 [log-client.c log-server.c log.c ssh.1 ssh.c ssh.h sshd.8 sshd.c] multiple debug levels - markus@cvs.openbsd.org 2000/09/14 14:25:15 [clientloop.c] typo - deraadt@cvs.openbsd.org 2000/09/15 01:13:51 [ssh-agent.c] check return value for setenv(3) for failure, and deal appropriately
151 lines
4.7 KiB
Groff
151 lines
4.7 KiB
Groff
.\" -*- nroff -*-
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.\"
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.\" Author: Tatu Ylonen <ylo@cs.hut.fi>
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.\" Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
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.\" All rights reserved
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.\"
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.\" As far as I am concerned, the code I have written for this software
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.\" can be used freely for any purpose. Any derived versions of this
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.\" software must be clearly marked as such, and if the derived work is
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.\" incompatible with the protocol description in the RFC file, it must be
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.\" called by a name other than "ssh" or "Secure Shell".
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.\"
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.\"
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.\" Copyright (c) 1999,2000 Markus Friedl. All rights reserved.
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.\" Copyright (c) 1999 Aaron Campbell. All rights reserved.
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.\" Copyright (c) 1999 Theo de Raadt. All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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.\"
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.Dd September 25, 1999
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.Dt SSH-ADD 1
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.Os
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.Sh NAME
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.Nm ssh-add
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.Nd adds RSA or DSA identities for the authentication agent
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.Sh SYNOPSIS
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.Nm ssh-add
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.Op Fl lLdD
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.Op Ar
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.Sh DESCRIPTION
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.Nm
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adds RSA or DSA identities to the authentication agent,
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.Xr ssh-agent 1 .
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When run without arguments, it adds the file
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.Pa $HOME/.ssh/identity .
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Alternative file names can be given on the command line.
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If any file requires a passphrase,
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.Nm
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asks for the passphrase from the user.
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The Passphrase it is read from the user's tty.
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.Pp
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The authentication agent must be running and must be an ancestor of
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the current process for
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.Nm
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to work.
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.Pp
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The options are as follows:
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.Bl -tag -width Ds
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.It Fl l
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Lists fingerprints of all identities currently represented by the agent.
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.It Fl L
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Lists public key parameters of all identities currently represented by the agent.
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.It Fl d
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Instead of adding the identity, removes the identity from the agent.
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.It Fl D
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Deletes all identities from the agent.
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.El
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.Sh FILES
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.Bl -tag -width Ds
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.It Pa $HOME/.ssh/identity
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Contains the RSA authentication identity of the user.
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This file should not be readable by anyone but the user.
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Note that
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.Nm
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ignores this file if it is accessible by others.
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It is possible to
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specify a passphrase when generating the key; that passphrase will be
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used to encrypt the private part of this file.
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This is the default file added by
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.Nm
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when no other files have been specified.
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.It Pa $HOME/.ssh/id_dsa
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Contains the DSA authentication identity of the user.
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.El
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.Sh ENVIRONMENT
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.Bl -tag -width Ds
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.It Ev "DISPLAY" and "SSH_ASKPASS"
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If
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.Nm
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needs a passphrase, it will read the passphrase from the current
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terminal if it was run from a terminal.
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If
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.Nm
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does not have a terminal associated with it but
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.Ev DISPLAY
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and
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.Ev SSH_ASKPASS
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are set, it will execute the program specified by
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.Ev SSH_ASKPASS
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and open an X11 window to read the passphrase.
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This is particularly useful when calling
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.Nm
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from a
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.Pa .Xsession
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or related script.
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(Note that on some machines it
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may be necessary to redirect the input from
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.Pa /dev/null
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to make this work.)
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.El
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.Sh AUTHOR
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Tatu Ylonen <ylo@cs.hut.fi>
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.Pp
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OpenSSH
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is a derivative of the original (free) ssh 1.2.12 release, but with bugs
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removed and newer features re-added.
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Rapidly after the 1.2.12 release,
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newer versions bore successively more restrictive licenses.
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This version of OpenSSH
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.Bl -bullet
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.It
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has all components of a restrictive nature (i.e., patents, see
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.Xr crypto 3 )
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directly removed from the source code; any licensed or patented components
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are chosen from
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external libraries.
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.It
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has been updated to support ssh protocol 1.5.
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.It
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contains added support for
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.Xr kerberos 8
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authentication and ticket passing.
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.It
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supports one-time password authentication with
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.Xr skey 1 .
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.El
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.Sh SEE ALSO
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.Xr ssh 1 ,
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.Xr ssh-agent 1 ,
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.Xr ssh-keygen 1 ,
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.Xr sshd 8 ,
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.Xr crypto 3
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