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>
10 # They are Copyright 2008, and are all released under the GPL, version 3
13 ########################################################################
18 SYSSHAREDIR=${MONKEYSPHERE_SYSSHAREDIR:-"/usr/share/monkeysphere"}
20 . "${SYSSHAREDIR}/common" || exit 1
22 # sharedir for authentication functions
23 MASHAREDIR="${SYSSHAREDIR}/ma"
25 SYSDATADIR=${MONKEYSPHERE_SYSDATADIR:-"/var/lib/monkeysphere"}
28 # temp directory to enable atomic moves of authorized_keys files
29 MATMPDIR="${SYSDATADIR}/tmp"
32 # UTC date in ISO 8601 format if needed
33 DATE=$(date -u '+%FT%T')
35 # unset some environment variables that could screw things up
41 ########################################################################
43 ########################################################################
47 usage: $PGRM <subcommand> [options] [args]
48 Monkeysphere authentication admin tool.
51 update-users (u) [USER]... update user authorized_keys files
52 add-id-certifier (c+) KEYID import and tsign a certification key
53 --domain (-n) DOMAIN limit ID certifications to DOMAIN
54 --trust (-t) TRUST trust level of certifier (full)
55 --depth (-d) DEPTH trust depth for certifier (1)
56 remove-id-certifier (c-) KEYID remove a certification key
57 list-id-certifiers (c) list certification keys
60 diagnostics (d) monkeysphere authentication status
61 gpg-cmd CMD execute gpg command
63 version (v) show version number
69 # function to run command as monkeysphere user
70 su_monkeysphere_user() {
71 # if the current user is the monkeysphere user, then just eval
73 if [ $(id -un) = "$MONKEYSPHERE_USER" ] ; then
76 # otherwise su command as monkeysphere user
78 su "$MONKEYSPHERE_USER" -c "$@"
82 # function to interact with the gpg core keyring
86 GNUPGHOME="$GNUPGHOME_CORE"
89 # NOTE: we supress this warning because we need the monkeysphere
90 # user to be able to read the host pubring. we realize this might
91 # be problematic, but it's the simplest solution, without too much
93 gpg --no-permission-warning "$@"
96 # always reset the permissions on the host pubring so that the
97 # monkeysphere user can read the trust signatures
98 chgrp "$MONKEYSPHERE_USER" "${GNUPGHOME_CORE}/pubring.gpg"
99 chmod g+r "${GNUPGHOME_CORE}/pubring.gpg"
104 # function to interact with the gpg sphere keyring
105 # FIXME: this function requires basically accepts only a single
106 # argument because of problems with quote expansion. this needs to be
109 GNUPGHOME="$GNUPGHOME_SPHERE"
112 su_monkeysphere_user "gpg $@"
115 ########################################################################
117 ########################################################################
119 # unset variables that should be defined only in config file
121 unset AUTHORIZED_USER_IDS
122 unset RAW_AUTHORIZED_KEYS
123 unset MONKEYSPHERE_USER
125 # load configuration file
126 [ -e ${MONKEYSPHERE_AUTHENTICATION_CONFIG:="${SYSCONFIGDIR}/monkeysphere-authentication.conf"} ] && . "$MONKEYSPHERE_AUTHENTICATION_CONFIG"
128 # set empty config variable with ones from the environment, or with
130 LOG_LEVEL=${MONKEYSPHERE_LOG_LEVEL:=${LOG_LEVEL:="INFO"}}
131 KEYSERVER=${MONKEYSPHERE_KEYSERVER:=${KEYSERVER:="pool.sks-keyservers.net"}}
132 AUTHORIZED_USER_IDS=${MONKEYSPHERE_AUTHORIZED_USER_IDS:=${AUTHORIZED_USER_IDS:="%h/.monkeysphere/authorized_user_ids"}}
133 RAW_AUTHORIZED_KEYS=${MONKEYSPHERE_RAW_AUTHORIZED_KEYS:=${RAW_AUTHORIZED_KEYS:="%h/.ssh/authorized_keys"}}
134 MONKEYSPHERE_USER=${MONKEYSPHERE_MONKEYSPHERE_USER:=${MONKEYSPHERE_USER:="monkeysphere"}}
137 CHECK_KEYSERVER=${MONKEYSPHERE_CHECK_KEYSERVER:="true"}
138 REQUIRED_USER_KEY_CAPABILITY=${MONKEYSPHERE_REQUIRED_USER_KEY_CAPABILITY:="a"}
139 GNUPGHOME_CORE=${MONKEYSPHERE_GNUPGHOME_CORE:="${SYSDATADIR}/authentication/core"}
140 GNUPGHOME_SPHERE=${MONKEYSPHERE_GNUPGHOME_SPHERE:="${SYSDATADIR}/authentication/sphere"}
142 # export variables needed in su invocation
146 export MONKEYSPHERE_USER
148 export CHECK_KEYSERVER
149 export REQUIRED_USER_KEY_CAPABILITY
150 export GNUPGHOME_CORE
151 export GNUPGHOME_SPHERE
156 [ "$COMMAND" ] || failure "Type '$PGRM help' for usage."
160 'update-users'|'update-user'|'u')
161 source "${MASHAREDIR}/update_users"
165 'add-identity-certifier'|'add-id-certifier'|'add-certifier'|'c+')
166 source "${MASHAREDIR}/add_certifier"
170 'remove-identity-certifier'|'remove-id-certifier'|'remove-certifier'|'c-')
171 source "${MASHAREDIR}/remove_certifier"
172 remove_certifier "$@"
175 'list-identity-certifiers'|'list-id-certifiers'|'list-certifiers'|'list-certifier'|'c')
176 source "${MASHAREDIR}/list_certifiers"
183 case "$SUBCOMMAND" in
185 source "${MASHAREDIR}/diagnostics"
194 failure "Unknown expert subcommand: '$COMMAND'
195 Type '$PGRM help' for usage."
204 '--help'|'help'|'-h'|'h'|'?')
209 failure "Unknown command: '$COMMAND'
210 Type '$PGRM help' for usage."