command="/home/someuser/rsync/checkrsync",from="trusted.eng.cam.ac.uk",no-port-forwarding,no-X11-forwarding,noagent-forwarding,no-pty ssh-rsa AAAAB
checkrsnc:
#!/bin/sh case "$SSH_ORIGINAL_COMMAND" in *\&*) echo "Rejected" ;; *\(*) echo "Rejected" ;; *\{*) echo "Rejected" ;; *\;*) echo "Rejected" ;; *\<*) echo "Rejected" ;; *\`*) echo "Rejected" ;; rsync\ --server*) $SSH_ORIGINAL_COMMAND ;; *) echo "Rejected" ;; esac