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Diff for /src/usr.bin/ssh/ssh-agent.1 between version 1.9 and 1.10

version 1.9, 2000/01/22 02:17:50 version 1.10, 2000/03/23 21:10:10
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 .Oc  .Oc
 .Sh DESCRIPTION  .Sh DESCRIPTION
 .Nm  .Nm
 is a program to hold authentication private keys.  The  is a program to hold authentication private keys.
 idea is that  The idea is that
 .Nm  .Nm
 is started in the beginning of an X-session or a login session, and  is started in the beginning of an X-session or a login session, and
 all other windows or programs are started as clients to the ssh-agent  all other windows or programs are started as clients to the ssh-agent
 program.  Through use of environment variables the agent can be located  program.
   Through use of environment variables the agent can be located
 and automatically used for RSA authentication when logging in to other  and automatically used for RSA authentication when logging in to other
 machines using  machines using
 .Xr ssh 1 .  .Xr ssh 1 .
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 If a commandline is given, this is executed as a subprocess of the agent.  If a commandline is given, this is executed as a subprocess of the agent.
 When the command dies, so does the agent.  When the command dies, so does the agent.
 .Pp  .Pp
 The agent initially does not have any private keys.  Keys are added  The agent initially does not have any private keys.
 using  Keys are added using
 .Xr ssh-add 1 .  .Xr ssh-add 1 .
 When executed without arguments,  When executed without arguments,
 .Xr ssh-add 1  .Xr ssh-add 1
 adds the  adds the
 .Pa $HOME/.ssh/identity  .Pa $HOME/.ssh/identity
 file.  If the identity has a passphrase,  file.
   If the identity has a passphrase,
 .Xr ssh-add 1  .Xr ssh-add 1
 asks for the passphrase (using a small X11 application if running  asks for the passphrase (using a small X11 application if running
 under X11, or from the terminal if running without X).  It then sends  under X11, or from the terminal if running without X).
 the identity to the agent.  Several identities can be stored in the  It then sends the identity to the agent.
   Several identities can be stored in the
 agent; the agent can automatically use any of these identities.  agent; the agent can automatically use any of these identities.
 .Ic ssh-add -l  .Ic ssh-add -l
 displays the identities currently held by the agent.  displays the identities currently held by the agent.
 .Pp  .Pp
 The idea is that the agent is run in the user's local PC, laptop, or  The idea is that the agent is run in the user's local PC, laptop, or
 terminal.  Authentication data need not be stored on any other  terminal.
   Authentication data need not be stored on any other
 machine, and authentication passphrases never go over the network.  machine, and authentication passphrases never go over the network.
 However, the connection to the agent is forwarded over SSH  However, the connection to the agent is forwarded over SSH
 remote logins, and the user can thus use the privileges given by the  remote logins, and the user can thus use the privileges given by the
 identities anywhere in the network in a secure way.  identities anywhere in the network in a secure way.
 .Pp  .Pp
 There are two main ways to get an agent setup:  Either you let the agent  There are two main ways to get an agent setup:
   Either you let the agent
 start a new subcommand into which some environment variables are exported, or  start a new subcommand into which some environment variables are exported, or
 you let the agent print the needed shell commands (either  you let the agent print the needed shell commands (either
 .Xr sh 1  .Xr sh 1
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 and the name of this socket is stored in the  and the name of this socket is stored in the
 .Ev SSH_AUTH_SOCK  .Ev SSH_AUTH_SOCK
 environment  environment
 variable.  The socket is made accessible only to the current user.  variable.
   The socket is made accessible only to the current user.
 This method is easily abused by root or another instance of the same  This method is easily abused by root or another instance of the same
 user.  user.
 .Pp  .Pp
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 .Sh FILES  .Sh FILES
 .Bl -tag -width Ds  .Bl -tag -width Ds
 .It Pa $HOME/.ssh/identity  .It Pa $HOME/.ssh/identity
 Contains the RSA authentication identity of the user.  This file  Contains the RSA authentication identity of the user.
 should not be readable by anyone but the user.  It is possible to  This file should not be readable by anyone but the user.
   It is possible to
 specify a passphrase when generating the key; that passphrase will be  specify a passphrase when generating the key; that passphrase will be
 used to encrypt the private part of this file.  This file  used to encrypt the private part of this file.
 is not used by  This file is not used by
 .Nm  .Nm
 but is normally added to the agent using  but is normally added to the agent using
 .Xr ssh-add 1  .Xr ssh-add 1
 at login time.  at login time.
 .It Pa /tmp/ssh-XXXX/agent.<pid> ,  .It Pa /tmp/ssh-XXXX/agent.<pid> ,
 Unix-domain sockets used to contain the connection to the  Unix-domain sockets used to contain the connection to the
 authentication agent.  These sockets should only be readable by the  authentication agent.
 owner.  The sockets should get automatically removed when the agent  These sockets should only be readable by the owner.
 exits.  The sockets should get automatically removed when the agent exits.
 .Sh AUTHOR  .Sh AUTHOR
 Tatu Ylonen <ylo@cs.hut.fi>  Tatu Ylonen <ylo@cs.hut.fi>
 .Pp  .Pp
 OpenSSH  OpenSSH
 is a derivative of the original (free) ssh 1.2.12 release, but with bugs  is a derivative of the original (free) ssh 1.2.12 release, but with bugs
 removed and newer features re-added.   Rapidly after the 1.2.12 release,  removed and newer features re-added.
 newer versions bore successively more restrictive licenses.  This version  Rapidly after the 1.2.12 release,
 of OpenSSH  newer versions bore successively more restrictive licenses.
   This version of OpenSSH
 .Bl -bullet  .Bl -bullet
 .It  .It
 has all components of a restrictive nature (i.e., patents, see  has all components of a restrictive nature (i.e., patents, see
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Removed from v.1.9  
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  Added in v.1.10