From 0beaa999dbd326a2c80a733913a36e64b917add6 Mon Sep 17 00:00:00 2001
From: Daniel Kahn Gillmor <dkg@fifthhorseman.net>
Date: Sat, 13 Sep 2008 15:34:44 -0400
Subject: counting problems in monkeysphere-server diagnostics

---
 src/monkeysphere-server | 23 ++++++++++++++++++++++-
 1 file changed, 22 insertions(+), 1 deletion(-)

(limited to 'src/monkeysphere-server')

diff --git a/src/monkeysphere-server b/src/monkeysphere-server
index 6798fab..a0dc33f 100755
--- a/src/monkeysphere-server
+++ b/src/monkeysphere-server
@@ -559,6 +559,7 @@ diagnostics() {
     local fingerprint
     local badhostkeys
     local sshd_config
+    local problemsfound=0
 
     # FIXME: what's the correct, cross-platform answer?
     sshd_config=/etc/ssh/sshd_config
@@ -571,19 +572,23 @@ diagnostics() {
 
     if ! id monkeysphere >/dev/null ; then
 	echo "! No monkeysphere user found!  Please create a monkeysphere system user."
+	problemsfound=$(($problemsfound+1))
     fi
 
     if ! [ -d "$VARLIB" ] ; then
 	echo "! no $VARLIB directory found.  Please create it."
+	problemsfound=$(($problemsfound+1))
     fi
 
     echo "Checking host GPG key..."
     if (( "$keysfound" < 1 )); then
 	echo "! No host key found."
 	echo " - Recommendation: run 'monkeysphere-server gen-key'"
+	problemsfound=$(($problemsfound+1))
     elif (( "$keysfound" > 1 )); then
 	echo "! More than one host key found?"
 	# FIXME: recommend a way to resolve this
+	problemsfound=$(($problemsfound+1))
     else
 	create=$(echo "$seckey" | grep ^sec: | cut -f6 -d:)
 	expire=$(echo "$seckey" | grep ^sec: | cut -f7 -d:)
@@ -593,9 +598,11 @@ diagnostics() {
 	    if (( "$expire"  < "$curdate" )); then
 		echo "! Host key is expired."
 		echo " - Recommendation: extend lifetime of key with 'monkeysphere-server extend-key'"
+		problemsfound=$(($problemsfound+1))
 	    elif (( "$expire" < "$warndate" )); then
 		echo "! Host key expires in less than $warnwindow:" $(advance_date $(( $expire - $curdate )) seconds +%F)
 		echo " - Recommendation: extend lifetime of key with 'monkeysphere-server extend-key'"
+		problemsfound=$(($problemsfound+1))
 	    fi
 	fi
 
@@ -603,6 +610,7 @@ diagnostics() {
 	if [ "$create" ] && (( "$create" > "$curdate" )); then
 	    echo "! Host key was created in the future(?!). Is your clock correct?"
 	    echo " - Recommendation: Check clock ($(date +%F_%T)); use NTP?"
+	    problemsfound=$(($problemsfound+1))
 	fi
 
         # check for UserID expiration:
@@ -614,14 +622,17 @@ diagnostics() {
 	    if [ "$create" ] && (( "$create" > "$curdate" )); then
 		echo "! User ID '$uid' was created in the future(?!).  Is your clock correct?"
 		echo " - Recommendation: Check clock ($(date +%F_%T)); use NTP?"
+		problemsfound=$(($problemsfound+1))
 	    fi
 	    if [ "$expire" ] ; then
 		if (( "$expire" < "$curdate" )); then
 		    echo "! User ID '$uid' is expired."
-			# FIXME: recommend a way to resolve this
+		    # FIXME: recommend a way to resolve this
+		    problemsfound=$(($problemsfound+1))
 		elif (( "$expire" < "$warndate" )); then
 		    echo "! User ID '$uid' expires in less than $warnwindow:" $(advance_date $(( $expire - $curdate )) seconds +%F)		
 		    # FIXME: recommend a way to resolve this
+		    problemsfound=$(($problemsfound+1))
 		fi
 	    fi
 	done
@@ -641,20 +652,24 @@ diagnostics() {
 	echo "Checking host SSH key..."
 	if [ ! -s "${VARLIB}/ssh_host_rsa_key" ] ; then
 	    echo "! The host key as prepared for SSH (${VARLIB}/ssh_host_rsa_key) is missing or empty."
+	    problemsfound=$(($problemsfound+1))
 	else
 	    if [ $(ls -l "${VARLIB}/ssh_host_rsa_key" | cut -f1 -d\ ) != '-rw-------' ] ; then
 		echo "! Permissions seem wrong for ${VARLIB}/ssh_host_rsa_key -- should be 0600."
+		problemsfound=$(($problemsfound+1))
 	    fi
 
 	    # propose changes needed for sshd_config (if any)
 	    if ! grep -q "^HostKey[[:space:]]\+${VARLIB}/ssh_host_rsa_key$" "$sshd_config"; then
 		echo "! $sshd_config does not point to the monkeysphere host key (${VARLIB}/ssh_host_rsa_key)."
 		echo " - Recommendation: add a line to $sshd_config: 'HostKey ${VARLIB}/ssh_host_rsa_key'"
+		problemsfound=$(($problemsfound+1))
 	    fi
 	    if badhostkeys=$(grep -i '^HostKey' "$sshd_config" | grep -q -v "^HostKey[[:space:]]\+${VARLIB}/ssh_host_rsa_key$") ; then
 		echo "! $sshd_config refers to some non-monkeysphere host keys:"
 		echo "$badhostkeys"
 		echo " - Recommendation: remove the above HostKey lines from $sshd_config"
+		problemsfound=$(($problemsfound+1))
 	    fi
 	fi
     fi
@@ -679,6 +694,12 @@ diagnostics() {
 	echo "! $sshd_config refers to non-monkeysphere authorized_keys files:"
 	echo "$badauthorizedkeys"
 	echo " - Recommendation: remove the above AuthorizedKeysFile lines from $sshd_config"
+	problemsfound=$(($problemsfound+1))
+    fi
+
+    if [ "$problemsfound" -gt 0 ]; then
+	echo "When the above $problemsfound problem"$([ "$problemsfound" -eq 1 ] || echo "s")" are resolved, please re-run:"
+	echo "  monkeysphere-server diagnostics"
     fi
 }
 
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