-For more details, see:
- http://lists.gnu.org/archive/html/gnutls-devel/2008-08/msg00005.html"
- fi
-
- # if there's no agent running, don't bother:
- if [ -z "$SSH_AUTH_SOCK" ] || ! which ssh-add >/dev/null ; then
- failure "No ssh-agent available."
- fi
-
- # and if it looks like it's running, but we can't actually talk to
- # it, bail out:
- ssh-add -l >/dev/null
- sshaddresponse="$?"
- if [ "$sshaddresponse" = "2" ]; then
- failure "Could not connect to ssh-agent"
- fi
-
- # get list of secret keys (to work around https://bugs.g10code.com/gnupg/issue945):
- secretkeys=$(gpg --list-secret-keys --with-colons --fixed-list-mode --fingerprint | \
- grep '^fpr:' | cut -f10 -d: | awk '{ print "0x" $1 "!" }')
-
- if [ -z "$secretkeys" ]; then
- failure "You have no secret keys in your keyring!
-You might want to run 'gpg --gen-key'."
- fi
-
- authsubkeys=$(gpg --list-secret-keys --with-colons --fixed-list-mode \
- --fingerprint --fingerprint $secretkeys | \
- cut -f1,5,10,12 -d: | grep -A1 '^ssb:[^:]*::[^:]*a[^:]*$' | \
- grep '^fpr::' | cut -f3 -d: | sort -u)
-
- if [ -z "$authsubkeys" ]; then
- failure "no authentication-capable subkeys available.
-You might want to 'monkeysphere gen-subkey'"
- fi
-
- workingdir=$(mktemp -d ${TMPDIR:-/tmp}/tmp.XXXXXXXXXX)
- umask 077
- mkfifo "$workingdir/passphrase"
- keysuccess=1
-
- # FIXME: we're currently allowing any other options to get passed
- # through to ssh-add. should we limit it to known ones? For
- # example: -d or -c and/or -t <lifetime>
-
- for subkey in $authsubkeys; do
- # choose a label by which this key will be known in the agent:
- # we are labelling the key by User ID instead of by
- # fingerprint, but filtering out all / characters to make sure
- # the filename is legit.
-
- primaryuid=$(gpg --with-colons --list-key "0x${subkey}!" | grep '^pub:' | cut -f10 -d: | tr -d /)