From 53fdf9b3e431d9f3538c1b2196276492bec2fc7e Mon Sep 17 00:00:00 2001
From: Jameson Graef Rollins <jrollins@finestructure.net>
Date: Sat, 31 Jan 2009 17:01:59 -0500
Subject: break out import-key and gen-key from monkeysphere-host break out
 diagnostics and update-users from monkeysphere-authentication

---
 src/subcommands/mh/gen-key | 118 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 118 insertions(+)
 create mode 100755 src/subcommands/mh/gen-key

(limited to 'src/subcommands/mh/gen-key')

diff --git a/src/subcommands/mh/gen-key b/src/subcommands/mh/gen-key
new file mode 100755
index 0000000..37469c7
--- /dev/null
+++ b/src/subcommands/mh/gen-key
@@ -0,0 +1,118 @@
+#!/usr/bin/env bash
+
+# Monkeysphere host gen-key subcommand
+#
+# The monkeysphere scripts are written by:
+# Jameson Rollins <jrollins@fifthhorseman.net>
+# Jamie McClelland <jm@mayfirst.org>
+# Daniel Kahn Gillmor <dkg@fifthhorseman.net>
+#
+# They are Copyright 2008, and are all released under the GPL, version 3
+# or later.
+
+local keyType="RSA"
+local keyLength="2048"
+local keyUsage="auth"
+local keyExpire
+local revoker
+local hostName=$(hostname -f)
+local userID
+local keyParameters
+local fingerprint
+
+# check for presense of secret key
+# FIXME: is this the proper test to be doing here?
+fingerprint_server_key >/dev/null \
+	&& failure "An OpenPGP host key already exists."
+
+# get options
+while true ; do
+	case "$1" in
+	    -h|--hostname)
+		hostName="$2"
+		shift 2
+		;;
+	    -l|--length)
+		keyLength="$2"
+		shift 2
+		;;
+	    -e|--expire)
+		keyExpire="$2"
+		shift 2
+		;;
+	    -r|--revoker)
+		revoker="$2"
+		shift 2
+		;;
+	    *)
+		if [ "$(echo "$1" | cut -c 1)" = '-' ] ; then
+		    failure "Unknown option '$1'.
+Type '$PGRM help' for usage."
+		fi
+		break
+		;;
+	esac
+done
+
+userID="ssh://${hostName}"
+
+# prompt about key expiration if not specified
+keyExpire=$(get_gpg_expiration "$keyExpire")
+
+# set key parameters
+keyParameters=\
+"Key-Type: $keyType
+Key-Length: $keyLength
+Key-Usage: $keyUsage
+Name-Real: $userID
+Expire-Date: $keyExpire"
+
+# add the revoker field if specified
+# FIXME: the "1:" below assumes that $REVOKER's key is an RSA key.
+# FIXME: key is marked "sensitive"?  is this appropriate?
+if [ "$revoker" ] ; then
+	keyParameters=\
+"${keyParameters}
+Revoker: 1:${revoker} sensitive"
+fi
+
+echo "The following key parameters will be used for the host private key:"
+echo "$keyParameters"
+
+read -p "Generate key? (Y/n) " OK; OK=${OK:=Y}
+if [ ${OK/y/Y} != 'Y' ] ; then
+	failure "aborting."
+fi
+
+# add commit command
+# must include blank line!
+keyParameters=\
+"${keyParameters}
+
+%commit
+%echo done"
+
+log verbose "generating host key..."
+echo "$keyParameters" | gpg_host --batch --gen-key
+
+# find the key fingerprint of the newly generated key
+fingerprint=$(fingerprint_server_key)
+
+# export host ownertrust to authentication keyring
+log verbose "setting ultimate owner trust for host key..."
+echo "${fingerprint}:6:" | gpg_authentication "--import-ownertrust"
+
+# translate the private key to ssh format, and export to a file
+# for sshs usage.
+# NOTE: assumes that the primary key is the proper key to use
+(umask 077 && \
+	gpg_host --export-secret-key "$fingerprint" | \
+	openpgp2ssh "$fingerprint" > "${SYSDATADIR}/ssh_host_rsa_key")
+log info "SSH host private key output to file: ${SYSDATADIR}/ssh_host_rsa_key"
+ssh-keygen -y -f "${SYSDATADIR}/ssh_host_rsa_key" > "${SYSDATADIR}/ssh_host_rsa_key.pub"
+log info "SSH host public key output to file: ${SYSDATADIR}/ssh_host_rsa_key.pub"
+gpg_authentication "--export-options export-minimal --armor --export 0x${fingerprint}\!" > "${SYSDATADIR}/ssh_host_rsa_key.pub.gpg"
+log info "SSH host public key in OpenPGP form: ${SYSDATADIR}/ssh_host_rsa_key.pub.gpg"
+
+# show info about new key
+show_server_key
-- 
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