change howler command from "trust-uids" (which is inaccurate) to "trust-key".

[monkeysphere.git] / howler / howler

diff --git a/howler/howler b/howler/howler
index 7e33471af152d4327b261d7ea2895fa276712501..0b67c02d406b7f01cc460daafb83bcb52298532a 100755 (executable)
--- a/howler/howler
+++ b/howler/howler
@@ -1,78 +1,134 @@
 #!/bin/sh
 
-# howler: server gpg key generator/publisher
+# howler: monkeysphere server gpg generator/publisher/maintainer
 #
 # Written by
 # Jameson Rollins <jrollins@fifthhorseman.net>
 #
 # Copyright 2008, released under the GPL, version 3 or later
 
-CMD=$(basename $0)
+PGRM=$(basename $0)
 
 ########################################################################
 # FUNCTIONS
 ########################################################################
 
+usage() {
+cat <<EOF
+usage: $PGRM gen-key
+       $PGRM publish-key
+       $PGRM trust-key KEYID [KEYID...]
+       $PGRM help
+EOF
+}
+
 failure() {
     echo "$1" >&2
     exit ${2:-'1'}
 }
 
-########################################################################
-# MAIN
-########################################################################
-
-MS_HOME=${MS_HOME:-/etc/monkeysphere}
-
-. "$MS_HOME"/monkeysphere.conf
+# generate server gpg key
+gen_key() {
+    KEY_TYPE=${KEY_TYPE:-RSA}
+    KEY_LENGTH=${KEY_LENGTH:-2048}
+    KEY_USAGE=${KEY_USAGE:-encrypt,auth}
+    SERVICE=${SERVICE:-ssh}
+    HOSTNAME_FQDN=${HOSTNAME_FQDN:-$(hostname -f)}
 
-export GNUPGHOME
+    USERID=${USERID:-"$SERVICE"://"$HOSTNAME_FQDN"}
 
-KEY_TYPE=${KEY_TYPE:-RSA}
-KEY_LENGTH=${KEY_LENGTH:-2048}
-KEY_USAGE=${KEY_USAGE:-encrypt,auth}
-SERVICE=${SERVICE:-ssh}
-HOSTNAME=${HOSTNAME:-$(hostname -f)}
-
-USERID=${USERID:-"$SERVICE"://"$HOSTNAME"}
-
-echo "key parameters:"
-cat <<EOF
+    echo "key parameters:"
+    cat <<EOF
 Key-Type: $KEY_TYPE
 Key-Length: $KEY_LENGTH
 Key-Usage: $KEY_USAGE
 Name-Real: $USERID
 EOF
 
-read -p "generate key? [Y|n]: " OK; OK=${OK:=Y}
-if [ ${OK/y/Y} != 'Y' ] ; then
-    failure "aborting."
-fi
+    read -p "generate key? [Y|n]: " OK; OK=${OK:=Y}
+    if [ ${OK/y/Y} != 'Y' ] ; then
+       failure "aborting."
+    fi
 
-if gpg --list-key ="$USERID" > /dev/null 2>&1 ; then
-    failure "key for '$USERID' already exists"
-fi
+    if gpg --list-key ="$USERID" > /dev/null 2>&1 ; then
+       failure "key for '$USERID' already exists"
+    fi
 
-echo "generating server key..."
-gpg --batch --gen-key <<EOF
+    echo "generating server key..."
+    gpg --batch --gen-key <<EOF
 Key-Type: $KEY_TYPE
 Key-Length: $KEY_LENGTH
 Key-Usage: $KEY_USAGE
 Name-Real: $USERID
 %commit
 EOF
+}
+
+publish_key() {
+    read -p "publish key to $KEYSERVER? [Y|n]: " OK; OK=${OK:=Y}
+    if [ ${OK/y/Y} != 'Y' ] ; then
+       failure "aborting."
+    fi
 
-read -p "publish key to $KEY_SERVER? [Y|n]: " OK; OK=${OK:=Y}
-if [ ${OK/y/Y} != 'Y' ] ; then
-    failure "aborting."
-fi
+    keyID=$(gpg --list-key --with-colons ="$USERID" 2> /dev/null | grep '^pub:' | cut -d: -f5)
 
-echo "sending key to keyserver '$KEYSERVER'..."
-keyID=$(gpg --list-key --with-colons ="$USERID" 2> /dev/null | grep '^pub:' | cut -d: -f5)
+    # dummy command so as not to publish fakes keys during testing
+    # eventually:
+    #gpg --send-keys --keyserver "$KEYSERVER" "$keyID"
+    echo "gpg --send-keys --keyserver $KEYSERVER $keyID"
+}
 
-# dummy command so as not to publish fakes keys during testing
-# eventually:
-#gpg --send-keys --keyserver "$KEYSERVER" "$keyID"
-echo "gpg --send-keys --keyserver $KEYSERVER $keyID"
+trust_key() {
+    for keyID ; do
+       # get the key from the key server
+       gpg --keyserver "$KEYSERVER" --recv-key "$keyID" || failure "could not retrieve key '$keyID'"
 
-echo "done."
+       # edit the key to change trust
+       # FIXME: need to figure out how to automate this,
+       # in a batch mode or something.
+       gpg --edit-key "$keyID"
+    done
+}
+
+########################################################################
+# MAIN
+########################################################################
+
+# set ms home directory
+MS_HOME=${MS_HOME:-/etc/monkeysphere}
+
+# load configuration file
+MS_CONF=${MS_CONF:-"$MS_HOME"/monkeysphere.conf}
+[ -e "$MS_CONF" ] && . "$MS_CONF"
+
+GNUPGHOME=${GNUPGHOME:-"$MS_HOME"/gnupg}
+export GNUPGHOME
+KEYSERVER=${KEYSERVER:-subkeys.pgp.net}
+export KEYSERVER
+
+COMMAND="$1"
+[ "$COMMAND" ] || failure "Type '$PGRM help' for usage."
+shift 1
+
+case $COMMAND in
+    'gen-key')
+       gen_key
+       ;;
+    'publish-key')
+       publish_key
+       ;;
+    'trust-key')
+       if [ -z "$1" ] ; then
+           failure "you must specify at least one key to trust."
+       fi
+       trust_key "$@"
+       ;;
+    'help')
+        usage
+       exit
+        ;;
+    *)
+        failure "Unknown command: '$COMMAND'
+Type '$PGRM help' for usage."
+        ;;
+esac