3 # monkeysphere-authentication: Monkeysphere authentication admin tool
5 # The monkeysphere scripts are written by:
6 # Jameson Rollins <jrollins@finestructure.net>
7 # Jamie McClelland <jm@mayfirst.org>
8 # Daniel Kahn Gillmor <dkg@fifthhorseman.net>
9 # Micah Anderson <micah@riseup.net>
11 # They are Copyright 2008-2009, and are all released under the GPL,
14 ########################################################################
19 SYSSHAREDIR=${MONKEYSPHERE_SYSSHAREDIR:-"/usr/share/monkeysphere"}
21 . "${SYSSHAREDIR}/common" || exit 1
23 # sharedir for authentication functions
24 MASHAREDIR="${SYSSHAREDIR}/ma"
26 SYSDATADIR=${MONKEYSPHERE_SYSDATADIR:-"/var/lib/monkeysphere"}
29 # temp directory to enable atomic moves of authorized_keys files
30 MATMPDIR="${SYSDATADIR}/tmp"
33 # UTC date in ISO 8601 format if needed
34 DATE=$(date -u '+%FT%T')
36 # unset some environment variables that could screw things up
42 ########################################################################
44 ########################################################################
48 usage: $PGRM <subcommand> [options] [args]
49 Monkeysphere authentication admin tool.
52 update-users (u) [USER]... update user authorized_keys files
53 add-id-certifier (c+) KEYID import and tsign a certification key
54 --domain (-n) DOMAIN limit ID certifications to DOMAIN
55 --trust (-t) TRUST trust level of certifier (full)
56 --depth (-d) DEPTH trust depth for certifier (1)
57 remove-id-certifier (c-) KEYID remove a certification key
58 list-id-certifiers (c) list certification keys
61 diagnostics (d) monkeysphere authentication status
62 gpg-cmd CMD execute gpg command
64 version (v) show version number
70 # function to run command as monkeysphere user
71 su_monkeysphere_user() {
72 # if the current user is the monkeysphere user, then just eval
74 if [ $(id -un) = "$MONKEYSPHERE_USER" ] ; then
77 # otherwise su command as monkeysphere user
79 su "$MONKEYSPHERE_USER" -c "$@"
83 # function to interact with the gpg core keyring
87 GNUPGHOME="$GNUPGHOME_CORE"
90 # NOTE: we supress this warning because we need the monkeysphere
91 # user to be able to read the host pubring. we realize this might
92 # be problematic, but it's the simplest solution, without too much
94 gpg --no-permission-warning "$@"
97 # always reset the permissions on the host pubring so that the
98 # monkeysphere user can read the trust signatures
99 chgrp "$MONKEYSPHERE_USER" "${GNUPGHOME_CORE}/pubring.gpg"
100 chmod g+r "${GNUPGHOME_CORE}/pubring.gpg"
105 # function to interact with the gpg sphere keyring
106 # FIXME: this function requires basically accepts only a single
107 # argument because of problems with quote expansion. this needs to be
110 GNUPGHOME="$GNUPGHOME_SPHERE"
113 su_monkeysphere_user "gpg $@"
116 ########################################################################
118 ########################################################################
120 # unset variables that should be defined only in config file
122 unset AUTHORIZED_USER_IDS
123 unset RAW_AUTHORIZED_KEYS
124 unset MONKEYSPHERE_USER
126 # load configuration file
127 [ -e ${MONKEYSPHERE_AUTHENTICATION_CONFIG:="${SYSCONFIGDIR}/monkeysphere-authentication.conf"} ] && . "$MONKEYSPHERE_AUTHENTICATION_CONFIG"
129 # set empty config variable with ones from the environment, or with
131 LOG_LEVEL=${MONKEYSPHERE_LOG_LEVEL:=${LOG_LEVEL:="INFO"}}
132 KEYSERVER=${MONKEYSPHERE_KEYSERVER:=${KEYSERVER:="pool.sks-keyservers.net"}}
133 AUTHORIZED_USER_IDS=${MONKEYSPHERE_AUTHORIZED_USER_IDS:=${AUTHORIZED_USER_IDS:="%h/.monkeysphere/authorized_user_ids"}}
134 RAW_AUTHORIZED_KEYS=${MONKEYSPHERE_RAW_AUTHORIZED_KEYS:=${RAW_AUTHORIZED_KEYS:="%h/.ssh/authorized_keys"}}
135 MONKEYSPHERE_USER=${MONKEYSPHERE_MONKEYSPHERE_USER:=${MONKEYSPHERE_USER:="monkeysphere"}}
138 CHECK_KEYSERVER=${MONKEYSPHERE_CHECK_KEYSERVER:="true"}
139 REQUIRED_USER_KEY_CAPABILITY=${MONKEYSPHERE_REQUIRED_USER_KEY_CAPABILITY:="a"}
140 GNUPGHOME_CORE=${MONKEYSPHERE_GNUPGHOME_CORE:="${SYSDATADIR}/authentication/core"}
141 GNUPGHOME_SPHERE=${MONKEYSPHERE_GNUPGHOME_SPHERE:="${SYSDATADIR}/authentication/sphere"}
143 # export variables needed in su invocation
147 export MONKEYSPHERE_USER
149 export CHECK_KEYSERVER
150 export REQUIRED_USER_KEY_CAPABILITY
151 export GNUPGHOME_CORE
152 export GNUPGHOME_SPHERE
157 [ "$COMMAND" ] || failure "Type '$PGRM help' for usage."
161 'update-users'|'update-user'|'u')
162 source "${MASHAREDIR}/update_users"
166 'add-identity-certifier'|'add-id-certifier'|'add-certifier'|'c+')
167 source "${MASHAREDIR}/add_certifier"
171 'remove-identity-certifier'|'remove-id-certifier'|'remove-certifier'|'c-')
172 source "${MASHAREDIR}/remove_certifier"
173 remove_certifier "$@"
176 'list-identity-certifiers'|'list-id-certifiers'|'list-certifiers'|'list-certifier'|'c')
177 source "${MASHAREDIR}/list_certifiers"
184 case "$SUBCOMMAND" in
186 source "${MASHAREDIR}/diagnostics"
195 failure "Unknown expert subcommand: '$COMMAND'
196 Type '$PGRM help' for usage."
205 '--help'|'help'|'-h'|'h'|'?')
210 failure "Unknown command: '$COMMAND'
211 Type '$PGRM help' for usage."