improvements monkeysphere-host diagnostics

[monkeysphere.git] / src / monkeysphere-host

diff --git a/src/monkeysphere-host b/src/monkeysphere-host
index 9d703c20b0c4e37a3498513bb67818caa1c5dc3a..4ec533d5e5ff92dd9733ac3a4f4b339e0cf65333 100755 (executable)
--- 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=${MONKEYSPHERE_SYSDATADIR:-"/var/lib/monkeysphere"}
 export SYSDATADIR
@@ -41,9 +42,6 @@ DATE=$(date -u '+%FT%T')
 # unset some environment variables that could screw things up
 unset GREP_OPTIONS
 
-# default return code
-RETURN=0
-
 ########################################################################
 # FUNCTIONS
 ########################################################################
@@ -54,14 +52,15 @@ usage: $PGRM <subcommand> [options] [args]
 Monkeysphere host admin tool.
 
 subcommands:
- import-key (i) FILE [NAME[:PORT]]   import existing ssh key to gpg
+ import-key (i) FILE NAME[:PORT]     import existing ssh key to gpg
  show-key (s)                        output all host key information
+ 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
+ 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
@@ -104,7 +103,7 @@ update_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" \
@@ -135,33 +134,25 @@ check_host_no_key() {
 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 $userID | gpg_escape)"
+    # match to only "unknown" user IDs (host has no need for ultimate trust)
+    tmpuidMatch="uid:-:$(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)
-
-    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=$(msmktempdir)
@@ -174,7 +165,7 @@ show_key() {
 
     # create the ssh key
     TMPSSH="$GNUPGHOME"/ssh_host_key_rsa_pub
-    openpgp2ssh <"$HOST_KEY_FILE" 2>/dev/null >"$TMPSSH"
+    gpg --export | openpgp2ssh 2>/dev/null >"$TMPSSH"
 
     # get the gpg fingerprint
     HOST_FINGERPRINT=$(gpg --quiet --list-keys --with-colons --with-fingerprint \
@@ -188,6 +179,17 @@ show_key() {
        | grep -v "^${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"
 
@@ -214,10 +216,12 @@ 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
 GNUPGHOME_HOST=${MONKEYSPHERE_GNUPGHOME_HOST:="${MHDATADIR}"}
+LOG_PREFIX=${MONKEYSPHERE_LOG_PREFIX:='ms: '}
 
 # export variables needed in su invocation
 export DATE
@@ -225,10 +229,12 @@ export LOG_LEVEL
 export KEYSERVER
 export CHECK_KEYSERVER
 export MONKEYSPHERE_USER
+export MONKEYSPHERE_GROUP
 export PROMPT
 export GNUPGHOME_HOST
 export GNUPGHOME
 export HOST_FINGERPRINT
+export LOG_PREFIX
 
 # get subcommand
 COMMAND="$1"
@@ -268,14 +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"
@@ -290,7 +296,6 @@ case $COMMAND in
        ;;
 
     'diagnostics'|'d')
-       load_fingerprint
        source "${MHSHAREDIR}/diagnostics"
        diagnostics
        ;;
@@ -301,7 +306,7 @@ case $COMMAND in
        ;;
 
     'version'|'v')
-       echo "$VERSION"
+       version
        ;;
 
     '--help'|'help'|'-h'|'h'|'?')
@@ -313,5 +318,3 @@ case $COMMAND in
 Type '$PGRM help' for usage."
         ;;
 esac
-
-exit "$RETURN"