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###################################################################
#
# This script is a part of the pam_script_ses_open script
# and is not stand-alone!
#
# It will try to mount the home directories of students
# under /home/<user>/PERSISTENT using kerberos.
#
# Only run this if the user is a student
# These have a gid > 1000
if ! grep -q "^${PAM_USER}:" "/etc/passwd"; then
VOLUME=$(getent passwd ${PAM_USER} |cut -d ':' -f6)
FILESERVER="urquell"
# now we can mount the home directory!
MOUNT_OPTS="-t nfs4 -o rw,nosuid,nodev,nolock,intr,hard,sloppy,sec=krb5p"
SIGNAL=$(mktemp)
MOUNT_OUTPUT=$(mktemp)
rm -f -- "${SIGNAL}"
( mount ${MOUNT_OPTS} "${FILESERVER}:${VOLUME}" "${PERSISTENT_HOME_DIR}" > "$MOUNT_OUTPUT" 2>&1 || touch "${SIGNAL}" ) &
MOUNT_PID=$!
for COUNTER in 1 2 4 4; do
kill -0 "${MOUNT_PID}" 2>/dev/null || break
sleep "${COUNTER}"
done
if [ -e "${SIGNAL}" ]; then
slxlog "pam-curitiba" "Mount of '${FILESERVER}:${VOLUME}' to '${PERSISTENT_HOME_DIR}' failed. (Args: ${MOUNT_OPTS})" "$MOUNT_OUTPUT"
rm -f -- "${SIGNAL}"
elif kill -9 "${MOUNT_PID}" 2>/dev/null; then
slxlog "pam-curitiba" "Mount of '${FILESERVER}:${VOLUME}' to '${PERSISTENT_HOME_DIR}' timed out. (Args: ${MOUNT_OPTS})" "$MOUNT_OUTPUT"
else
PERSISTENT_OK=yes
fi
( sleep 2; rm -f -- "$MOUNT_OUTPUT" ) &
fi
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