[Bug 1067301] Re: ssh-add: Error reading response length from authentication socket.

[Lars Noodén]

This is with a plain vanilla Quantal (Lubuntu) installation installed
just today and have not changed the configurations on.  So the settings
used are default.  SSH_ASKPASS is not getting set:

$ echo $SSH_ASKPASS

$ echo $DISPLAY
:0

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https://bugs.launchpad.net/bugs/1067301

Title:
  ssh-add: Error reading response length from authentication socket.

Status in “openssh” package in Ubuntu:
  Invalid

Bug description:
  ssh-add seems not to work with the confirmation (-c) option.  Trying
  to require that identities be subject to confirmation when used brings
  up the error "Error reading response length from authentication
  socket. "

   $ ssh-add -c /home/user/.ssh/key_rsa 
   Enter passphrase for /home/user/.ssh/key_rsa: 
   Error reading response length from authentication socket.
   Could not add identity: /home/user/.ssh/key_rsa

  Addding keys not subject to confirmation when used works as normal:

   $ ssh-add  /home/user/.ssh/key_rsa 
   Enter passphrase for /home/user/.ssh/key_rsa: 
   Identity added: /home/user/.ssh/key_rsa (/home/user/.ssh/key_rsa)

  ProblemType: Bug
  DistroRelease: Ubuntu 12.10
  Package: openssh-client 1:6.0p1-3ubuntu1
  ProcVersionSignature: Ubuntu 3.5.0-17.28-generic 3.5.5
  Uname: Linux 3.5.0-17-generic x86_64
  ApportVersion: 2.6.1-0ubuntu3
  Architecture: amd64
  Date: Tue Oct 16 13:55:08 2012
  InstallationMedia: Lubuntu 12.10 "Quantal Quetzal" - Release amd64+mac (20121015)
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  RelatedPackageVersions:
   ssh-askpass       N/A
   libpam-ssh        N/A
   keychain          N/A
   ssh-askpass-gnome N/A
  SSHClientVersion: OpenSSH_6.0p1 Debian-3ubuntu1, OpenSSL 1.0.1c 10 May 2012
  SourcePackage: openssh
  UpgradeStatus: No upgrade log present (probably fresh install)

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