X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=src%2Fmonkeysphere-host;h=4ec533d5e5ff92dd9733ac3a4f4b339e0cf65333;hb=8af517bd1dc3eea66a64387af3e69188a536b2ee;hp=9d3ccb1a6a9858e2c11716b1676a5f87361070d8;hpb=ffe5855c75320bf35b6db1770b4ecbd0012723e8;p=monkeysphere.git

diff --git a/src/monkeysphere-host b/src/monkeysphere-host
index 9d3ccb1..4ec533d 100755
--- a/src/monkeysphere-host
+++ b/src/monkeysphere-host
@@ -21,7 +21,8 @@ PGRM=$(basename $0)
 
 SYSSHAREDIR=${MONKEYSPHERE_SYSSHAREDIR:-"/usr/share/monkeysphere"}
 export SYSSHAREDIR
-. "${SYSSHAREDIR}/common" || exit 1
+. "${SYSSHAREDIR}/defaultenv"
+. "${SYSSHAREDIR}/common"
 
 SYSDATADIR=${MONKEYSPHERE_SYSDATADIR:-"/var/lib/monkeysphere"}
 export SYSDATADIR
@@ -32,10 +33,6 @@ MHSHAREDIR="${SYSSHAREDIR}/mh"
 # datadir for host functions
 MHDATADIR="${SYSDATADIR}/host"
 
-# temp directory for temp gnupghome directories for add_revoker
-MHTMPDIR="${MHDATADIR}/tmp"
-export MHTMPDIR
-
 # host pub key files
 HOST_KEY_FILE="${SYSDATADIR}/ssh_host_rsa_key.pub.gpg"
 
@@ -45,9 +42,6 @@ DATE=$(date -u '+%FT%T')
 # unset some environment variables that could screw things up
 unset GREP_OPTIONS
 
-# default return code
-RETURN=0
-
 ########################################################################
 # FUNCTIONS
 ########################################################################
@@ -58,15 +52,15 @@ usage: $PGRM <subcommand> [options] [args]
 Monkeysphere host admin tool.
 
 subcommands:
+ import-key (i) FILE NAME[:PORT]     import existing ssh key to gpg
  show-key (s)                        output all host key information
- set-expire (e) EXPIRE               set host key expiration
+ publish-key (p)                     publish host key to keyserver
+ set-expire (e) [EXPIRE]             set host key expiration
  add-hostname (n+) NAME[:PORT]       add hostname user ID to host key
  revoke-hostname (n-) NAME[:PORT]    revoke hostname user ID
- add-revoker (o) FINGERPRINT         add a revoker to the host key
- revoke-key (r)                      revoke host key
- publish-key (p)                     publish host key to keyserver
-
- import-key (i) [NAME[:PORT]]        import existing ssh key to gpg
+ add-revoker (r+) KEYID|FILE         add a revoker to the host key
+ revoke-key                          generate and/or publish revocation
+                                     certificate for host key
 
  version (v)                         show version number
  help (h,?)                          this help
@@ -77,10 +71,11 @@ EOF
 
 # function to interact with the gpg keyring
 gpg_host() {
-    GNUPGHOME="$GNUPGHOME_HOST" gpg "$@"
+    GNUPGHOME="$GNUPGHOME_HOST" gpg --no-greeting --quiet --no-tty "$@"
 }
 
-# command to list the info about the host key, in colon format
+# command to list the info about the host key, in colon format, to
+# stdout
 gpg_host_list() {
     gpg_host --list-keys --with-colons --fixed-list-mode \
 	--with-fingerprint --with-fingerprint \
@@ -89,19 +84,15 @@ gpg_host_list() {
 }
 
 # command for edit key scripts, takes scripts on stdin
-# FIXME: should we supress all the edit script spew?  or pipe it
-# through log debug?
 gpg_host_edit() {
-    gpg_host --quiet --command-fd 0 --edit-key \
-	"0x${HOST_FINGERPRINT}!" "$@"
+    gpg_host --command-fd 0 --edit-key "0x${HOST_FINGERPRINT}!" "$@"
 }
 
 # export the host public key to the monkeysphere gpg pub key file
-create_gpg_pub_file() {
-    log debug "creating openpgp public key file..."
+update_gpg_pub_file() {
+    log debug "updating openpgp public key file '$HOST_KEY_FILE'..."
     gpg_host --export --armor --export-options export-minimal \
 	"0x${HOST_FINGERPRINT}!" > "$HOST_KEY_FILE"
-    log info "GPG host public key file: $HOST_KEY_FILE"
 }
 
 # load the host fingerprint into the fingerprint variable, using the
@@ -112,13 +103,13 @@ create_gpg_pub_file() {
 load_fingerprint() {
     if [ -f "$HOST_KEY_FILE" ] ; then
 	HOST_FINGERPRINT=$( \
-	    (FUBAR=$(mktemp -d) && export GNUPGHOME="$FUBAR" \
+	    (FUBAR=$(msmktempdir) && export GNUPGHOME="$FUBAR" \
 	    && gpg --quiet --import \
 	    && gpg --quiet --list-keys --with-colons --with-fingerprint \
 	    && rm -rf "$FUBAR") <"$HOST_KEY_FILE" \
 	    | grep '^fpr:' | cut -d: -f10 )
     else
-	HOST_FINGERPRINT=
+	failure "host key gpg pub file not found."
     fi
 }
 
@@ -126,8 +117,7 @@ load_fingerprint() {
 # gpg host secret key
 load_fingerprint_secret() {
     HOST_FINGERPRINT=$( \
-	gpg_host --quiet --list-secret-key \
-	--with-colons --with-fingerprint \
+	gpg_host --list-secret-key --with-colons --with-fingerprint \
 	| grep '^fpr:' | cut -d: -f10 )
 }
 
@@ -140,64 +130,72 @@ check_host_key() {
 # fail if host key not present
 check_host_no_key() {
     [ -s "$HOST_KEY_FILE" ] \
-	|| failure "You don't appear to have a Monkeysphere host key on this server.  Please run 'monkeysphere-host import-key' first."
+	|| failure "You don't appear to have a Monkeysphere host key on this server.
+Please run 'monkeysphere-host import-key...' first."
 }
 
-# output the index of a user ID on the host key
-# return 1 if user ID not found
+# return 0 if user ID was found.
+# return 1 if user ID not found.
 find_host_userid() {
     local userID="$1"
     local tmpuidMatch
-    local line
-
-    # match to only ultimately trusted user IDs
-    tmpuidMatch="u:$(echo $userID | gpg_escape)"
 
-    # find the index of the requsted user ID
-    # NOTE: this is based on circumstantial evidence that the order of
-    # this output is the appropriate index
-    line=$(gpg_host_list | egrep '^(uid|uat):' | cut -f2,10 -d: | \
-	grep -n -x -F "$tmpuidMatch" 2>/dev/null)
+    # match to only "unknown" user IDs (host has no need for ultimate trust)
+    tmpuidMatch="uid:-:$(echo $userID | gpg_escape)"
 
-    if [ "$line" ] ; then
-	echo ${line%%:*}
-	return 0
-    else
-	return 1
-    fi
+    # See whether the requsted user ID is present
+    gpg_host_list | cut -f1,2,10 -d: | \
+	grep -q -x -F "$tmpuidMatch" 2>/dev/null
 }
 
 # show info about the host key
 show_key() {
     local GNUPGHOME
+    local TMPSSH
+    local revokers
 
     # tmp gpghome dir
-    export GNUPGHOME=$(mktemp -d)
+    export GNUPGHOME=$(msmktempdir)
 
     # trap to remove tmp dir if break
     trap "rm -rf $GNUPGHOME" EXIT
 
+    # import the host key into the tmp dir
     gpg --quiet --import <"$HOST_KEY_FILE"
 
+    # create the ssh key
+    TMPSSH="$GNUPGHOME"/ssh_host_key_rsa_pub
+    gpg --export | openpgp2ssh 2>/dev/null >"$TMPSSH"
+
+    # get the gpg fingerprint
     HOST_FINGERPRINT=$(gpg --quiet --list-keys --with-colons --with-fingerprint \
 	| grep '^fpr:' | cut -d: -f10 )
 
     # list the host key info
     # FIXME: make no-show-keyring work so we don't have to do the grep'ing
-    # FIXME: why is this not showing key expiration?
+    # FIXME: can we show uid validity somehow?
     gpg --list-keys --fingerprint \
 	--list-options show-unusable-uids 2>/dev/null \
 	| grep -v "^${GNUPGHOME}/pubring.gpg$" \
 	| egrep -v '^-+$'
 
+    # list revokers, if there are any
+    revokers=$(gpg --list-keys --with-colons --fixed-list-mode \
+	| awk -F: '/^rvk:/{ print $10 }' )
+    if [ "$revokers" ] ; then
+	echo "The following keys are allowed to revoke this host key:"
+	for key in $revokers ; do
+	    echo "revoker: $key"
+	done
+	echo
+    fi
+
     # list the pgp fingerprint
     echo "OpenPGP fingerprint: $HOST_FINGERPRINT"
 
     # list the ssh fingerprint
     echo -n "ssh fingerprint: "
-    ssh-keygen -l -f /dev/stdin \
-	<<<$(openpgp2ssh <"$HOST_KEY_FILE" 2>/dev/null) \
-	| awk '{ print $1, $2, $4 }'
+    ssh-keygen -l -f "$TMPSSH" | awk '{ print $1, $2, $4 }'
 
     # remove the tmp file
     trap - EXIT
@@ -208,34 +206,35 @@ show_key() {
 # MAIN
 ########################################################################
 
-# unset variables that should be defined only in config file
-unset KEYSERVER
-unset MONKEYSPHERE_USER
-
 # load configuration file
-[ -e ${MONKEYSPHERE_HOST_CONFIG:="${SYSCONFIGDIR}/monkeysphere-host.conf"} ] && . "$MONKEYSPHERE_HOST_CONFIG"
+[ -e ${MONKEYSPHERE_HOST_CONFIG:="${SYSCONFIGDIR}/monkeysphere-host.conf"} ] \
+    && . "$MONKEYSPHERE_HOST_CONFIG"
 
 # set empty config variable with ones from the environment, or with
 # defaults
-LOG_LEVEL=${MONKEYSPHERE_LOG_LEVEL:=${LOG_LEVEL:="INFO"}}
-KEYSERVER=${MONKEYSPHERE_KEYSERVER:=${KEYSERVER:="pool.sks-keyservers.net"}}
-AUTHORIZED_USER_IDS=${MONKEYSPHERE_AUTHORIZED_USER_IDS:=${AUTHORIZED_USER_IDS:="%h/.monkeysphere/authorized_user_ids"}}
-RAW_AUTHORIZED_KEYS=${MONKEYSPHERE_RAW_AUTHORIZED_KEYS:=${RAW_AUTHORIZED_KEYS:="%h/.ssh/authorized_keys"}}
-MONKEYSPHERE_USER=${MONKEYSPHERE_MONKEYSPHERE_USER:=${MONKEYSPHERE_USER:="monkeysphere"}}
+LOG_LEVEL=${MONKEYSPHERE_LOG_LEVEL:=$LOG_LEVEL}
+KEYSERVER=${MONKEYSPHERE_KEYSERVER:=$KEYSERVER}
+CHECK_KEYSERVER=${MONKEYSPHERE_CHECK_KEYSERVER:=$CHECK_KEYSERVER}
+MONKEYSPHERE_USER=${MONKEYSPHERE_MONKEYSPHERE_USER:=$MONKEYSPHERE_USER}
+MONKEYSPHERE_GROUP=$(get_primary_group "$MONKEYSPHERE_USER")
+PROMPT=${MONKEYSPHERE_PROMPT:=$PROMPT}
 
 # other variables
-CHECK_KEYSERVER=${MONKEYSPHERE_CHECK_KEYSERVER:="true"}
 GNUPGHOME_HOST=${MONKEYSPHERE_GNUPGHOME_HOST:="${MHDATADIR}"}
+LOG_PREFIX=${MONKEYSPHERE_LOG_PREFIX:='ms: '}
 
 # export variables needed in su invocation
 export DATE
-export MODE
 export LOG_LEVEL
-export MONKEYSPHERE_USER
 export KEYSERVER
+export CHECK_KEYSERVER
+export MONKEYSPHERE_USER
+export MONKEYSPHERE_GROUP
+export PROMPT
 export GNUPGHOME_HOST
 export GNUPGHOME
-export HOST_FINGERPRINT=
+export HOST_FINGERPRINT
+export LOG_PREFIX
 
 # get subcommand
 COMMAND="$1"
@@ -243,6 +242,12 @@ COMMAND="$1"
 shift
 
 case $COMMAND in
+    'import-key'|'i')
+	check_host_key
+	source "${MHSHAREDIR}/import_key"
+	import_key "$@"
+	;;
+
     'show-key'|'show'|'s')
 	check_host_no_key
 	show_key
@@ -269,14 +274,14 @@ case $COMMAND in
 	revoke_hostname "$@"
 	;;
 
-    'add-revoker'|'o')
+    'add-revoker'|'r+')
 	check_host_no_key
 	load_fingerprint
 	source "${MHSHAREDIR}/add_revoker"
 	add_revoker "$@"
 	;;
 
-    'revoke-key'|'r')
+    'revoke-key')
 	check_host_no_key
 	load_fingerprint
 	source "${MHSHAREDIR}/revoke_key"
@@ -290,20 +295,18 @@ case $COMMAND in
 	publish_key
 	;;
 
-    'import-key'|'i')
-	check_host_key
-	source "${MHSHAREDIR}/import_key"
-	import_key "$@"
-	;;
-
     'diagnostics'|'d')
-	load_fingerprint
 	source "${MHSHAREDIR}/diagnostics"
 	diagnostics
 	;;
 
+    'update-gpg-pub-file')
+	load_fingerprint_secret
+	update_gpg_pub_file
+	;;
+
     'version'|'v')
-	echo "$VERSION"
+	version
 	;;
 
     '--help'|'help'|'-h'|'h'|'?')
@@ -315,5 +318,3 @@ case $COMMAND in
 Type '$PGRM help' for usage."
         ;;
 esac
-
-exit "$RETURN"