1 files changed, 29 insertions, 0 deletions

diff --git a/src/endofossil b/src/endofossil
new file mode 100644
index 0000000..401806f
--- /dev/null
+++ b/src/endofossil
@@ -0,0 +1,29 @@
+#!/bin/bash
+set -e
+
+
+IFS=/ read n pid uid <<< "$1"
+[ "$pid" ]
+
+authtype=
+while read -d ''
+do
+    case "${REPLY%%=*}" in
+        'SSH_USER_AUTH' ) read authtype keytype keyvalue < "${REPLY#*=}" ;;
+    esac
+done < /proc/$pid/environ
+[ "$authtype" = publickey ]
+
+keyhash=
+while read
+do
+    set -- $REPLY
+    if [ "$3 $5" = 'SSHFP 2' ]
+    then
+        keyhash=$6
+        break
+    fi
+done < <(ssh-keygen -f <(printf '%s\n' "$keytype $keyvalue") -r .)
+[ "$keyhash" ]
+
+printf '%s\n' "$keyhash"