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Shell Programming and Scripting
enter password at prompt during a script?
Post 302374894 by TonyLawrence on Wednesday 25th of November 2009 07:54:44 PM
11-25-2009
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LEARN ABOUT OPENSOLARIS
ssh-add
ssh-add(1) User Commands ssh-add(1) NAME
ssh-add - add RSA or DSA identities to the authentication agent SYNOPSIS
ssh-add [-lLdDxX] [-t life] [ file ]... DESCRIPTION
The ssh-add utility adds RSA or DSA identities to the authentication agent, ssh-agent(1). When run without arguments, it attempts to add all of the files $HOME/.ssh/identity (RSA v1), $HOME/.ssh/id_rsa (RSA v2), and $HOME/.ssh/id_dsa (DSA v2) that exist. If more than one of the private keys exists, an attempt to decrypt each with the same passphrase will be made before reprompting for a different passphrase. The passphrase is read from the user's tty or by running the program defined in SSH_ASKPASS (see below). The authentication agent must be running. OPTIONS
The following options are supported: -d Instead of adding the identity, this option removes the identity from the agent. -D Deletes all identities from the agent. -l Lists fingerprints of all identities currently represented by the agent. -L Lists public key parameters of all identities currently represented by the agent. -t life Sets a maximum lifetime when adding identities to an agent. The lifetime may be specified in seconds or in a time format speci- fied in sshd(1M). -x Locks the agent with a password. -X Unlocks the agent. ENVIRONMENT VARIABLES
DISPLAY If ssh-add needs a passphrase, it will read the passphrase from the current terminal if it was run from a terminal. If SSH_ASKPASS ssh-add does not have a terminal associated with it but DISPLAY and SSH_ASKPASS are set, it will execute the program spec- ified by SSH_ASKPASS and open an X11 window to read the passphrase. This is particularly useful when calling ssh-add from a .Xsession or related script. SSH_AUTH_SOCK Identifies the path of a unix-domain socket used to communicate with the agent. EXIT STATUS
The following exit values are returned: 0 Successful completion. 1 An error occurred. FILES
These files should not be readable by anyone but the user. Notice that ssh-add ignores a file if it is accessible by others. It is possible to specify a passphrase when generating the key; that passphrase will be used to encrypt the private part of this file. If these files are stored on a network file system it is assumed that either the protection provided in the file themselves or the trans- port layer of the network file system provides sufficient protection for the site policy. If this is not the case, then it is recommended the key files are stored on removable media or locally on the relevant hosts. Recommended names for the DSA and RSA key files: $HOME/.ssh/identity Contains the RSA authentication identity of the user for protocol version 1. $HOME/.ssh/identity.pub Contains the public part of the RSA authentication identity of the user for protocol version 1. $HOME/.ssh/id_dsa Contains the private DSA authentication identity of the user. $HOME/.ssh/id_dsa.pub Contains the public part of the DSA authentication identity of the user. $HOME/.ssh/id_rsa Contains the private RSA authentication identity of the user. $HOME/.ssh/id_rsa.pub Contains the public part of the RSA authentication identity of the user. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWsshu | +-----------------------------+-----------------------------+ |Interface Stability |Evolving | +-----------------------------+-----------------------------+ SEE ALSO
ssh(1), ssh-agent(1), ssh-keygen(1), sshd(1M), attributes(5) SunOS 5.11 9 Jan 2004 ssh-add(1)