3 # monkeysphere: MonkeySphere client tool
5 # The monkeysphere scripts are written by:
6 # Jameson Rollins <jrollins@fifthhorseman.net>
8 # They are Copyright 2008, and are all released under the GPL, version 3
11 ########################################################################
14 SHAREDIR=${SHAREDIR:-"/usr/share/monkeysphere"}
16 . "${SHAREDIR}/common"
18 GLOBAL_CONFIG=${GLOBAL_CONFIG:-"${ETC}/monkeysphere.conf"}
19 [ -r "$GLOBAL_CONFIG" ] && . "$GLOBAL_CONFIG"
21 # date in UTF format if needed
22 DATE=$(date -u '+%FT%T')
24 # unset some environment variables that could screw things up
27 ########################################################################
29 ########################################################################
33 usage: $PGRM <subcommand> [args]
34 MonkeySphere client tool.
37 update-known_hosts (k) [HOST]... update known_hosts file
38 update-authorized_keys (a) update authorized_keys file
39 gen-subkey (g) KEYID generate an 'a' capable subkey
45 # generate a subkey with the 'a' usage flags set
46 # FIXME: this needs some tweaking to clean it up
54 gpgOut=$(gpg --quiet --fixed-list-mode --list-keys --with-colons \
55 "$keyID" 2> /dev/null)
57 # return 1 if there only "tru" lines are output from gpg
58 if [ -z "$(echo "$gpgOut" | grep -v '^tru:')" ] ; then
59 failure "Key ID '$keyID' not found."
63 SUBKEY_TYPE=${SUBKEY_TYPE:-"RSA"}
64 #SUBKEY_LENGTH=${SUBKEY_LENGTH:-"2048"}
65 SUBKEY_USAGE=${SUBKEY_USAGE:-"auth"}
66 SUBKEY_EXPIRE=${SUBKEY_EXPIRE:-"0"}
68 Please specify how long the key should be valid.
69 0 = key does not expire
70 <n> = key expires in n days
71 <n>w = key expires in n weeks
72 <n>m = key expires in n months
73 <n>y = key expires in n years
75 read -p "Key is valid for? ($SUBKEY_EXPIRE) " SUBKEY_EXPIRE; SUBKEY_EXPIRE=${SUBKEY_EXPIRE:-"0"}
77 # generate the list of commands that will be passed to edit-key
78 editCommands=$(cat <<EOF
91 log "generating subkey..."
92 echo "$editCommands" | gpg --expert --command-fd 0 --edit-key "$keyID"
96 ########################################################################
98 ########################################################################
101 [ "$COMMAND" ] || failure "Type '$PGRM help' for usage."
104 # set ms home directory
105 MS_HOME=${MS_HOME:-"${HOME}/.config/monkeysphere"}
107 # load configuration file
108 MS_CONF=${MS_CONF:-"${MS_HOME}/monkeysphere.conf"}
109 [ -e "$MS_CONF" ] && . "$MS_CONF"
111 # set empty config variable with defaults
112 AUTHORIZED_USER_IDS=${AUTHORIZED_USER_IDS:-"${MS_HOME}/authorized_user_ids"}
113 GNUPGHOME=${GNUPGHOME:-"${HOME}/.gnupg"}
114 KEYSERVER=${KEYSERVER:-"subkeys.pgp.net"}
115 CHECK_KEYSERVER=${CHECK_KEYSERVER:="true"}
116 REQUIRED_HOST_KEY_CAPABILITY=${REQUIRED_HOST_KEY_CAPABILITY:-"a"}
117 REQUIRED_USER_KEY_CAPABILITY=${REQUIRED_USER_KEY_CAPABILITY:-"a"}
118 KNOWN_HOSTS=${KNOWN_HOSTS:-"${HOME}/.ssh/known_hosts"}
119 AUTHORIZED_KEYS=${AUTHORIZED_KEYS:-"${HOME}/.ssh/authorized_keys"}
120 HASH_KNOWN_HOSTS=${HASH_KNOWN_HOSTS:-"true"}
124 # make sure gpg home exists with proper permissions
125 mkdir -p -m 0700 "$GNUPGHOME"
127 # make sure the user monkeysphere home directory exists
128 mkdir -p -m 0700 "$MS_HOME"
129 touch "$AUTHORIZED_USER_IDS"
130 touch "$AUTHORIZED_KEYS"
133 'update-known_hosts'|'update-known-hosts'|'k')
136 # touch the known_hosts file to make sure it exists
137 # ssh-keygen complains if it doesn't exist
140 # if hosts are specified on the command line, process just
143 process_hosts_known_hosts "$@"
145 # otherwise, if no hosts are specified, process every host
146 # in the user's known_hosts file
148 if [ ! -s "$KNOWN_HOSTS" ] ; then
149 failure "known_hosts file '$KNOWN_HOSTS' is empty."
151 log "processing known_hosts file..."
155 log "known_hosts file updated."
158 'update-authorized_keys'|'update-authorized-keys'|'a')
159 MODE='authorized_keys'
161 # fail if the authorized_user_ids file is empty
162 if [ ! -s "$AUTHORIZED_USER_IDS" ] ; then
163 failure "$AUTHORIZED_USER_IDS is empty."
166 # process authorized_user_ids file
167 log "processing authorized_user_ids file..."
168 process_authorized_user_ids "$AUTHORIZED_USER_IDS"
169 log "authorized_keys file updated."
174 if [ -z "$keyID" ] ; then
175 failure "You must specify the key ID of your primary key."
185 failure "Unknown command: '$COMMAND'
186 Type '$PGRM help' for usage."