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###################################################################
#
# This script is a part of the pam_script_ses_open script
# and is not stand-alone!
#
VOLUME=
REAL_ACCOUNT=
if ! grep -q "^${PAM_USER}:" "/etc/passwd"; then
# determine fileserver and share for home directories
BINDDN=$(ldapsearch -l 3 -o nettimeout=3 -o ldif-wrap=no -x -LLL uid="${PAM_USER}" dn distinguishedName | grep -E '^(dn|distinguishedName):' | head -n 1 | cut -d ' ' -f 2)
if [ -z "$BINDDN" ]; then
slxlog "pam-ad-ldapquery" "Could not query DN of user ${PAM_USER}. No home directory available"
else
RESULT=$(mktemp)
PW="/tmp/pw.${RANDOM}.${RANDOM}.${PAM_USER}.${RANDOM}"
mkfifo -m 0600 "${PW}" || slxlog "pam-ad-fifo" "Could not create FIFO at ${PW}"
( echo "${PAM_AUTHTOK}" > "${PW}" ) &
ldapsearch -y "${PW}" -D "$BINDDN" -l 5 -o nettimeout=5 -o ldif-wrap=no -x -LLL uid="${PAM_USER}" homeMount realAccount > "${RESULT}" 2>/dev/null \
|| slxlog "pam-ad-ldapquery" "Could not query LDAP-AD-Proxy for parameters of user '${PAM_USER}'."
rm -f -- "${PW}"
VOLUME=$(cat "${RESULT}" | grep '^homeMount:' | head -n 1 | cut -d ' ' -f 2)
[ -z "${VOLUME}" ] && slxlog "pam-ad-ldapvolume" "AD/Proxy did not provide 'homeMount'. Aborting mount for ${PAM_USER}."
[ -z "$REAL_ACCOUNT" ] && REAL_ACCOUNT=$(cat "${RESULT}" | grep '^realAccount:' | head -n 1 | cut -d ' ' -f 2)
[ -z "$REAL_ACCOUNT" ] && REAL_ACCOUNT="${PAM_USER}"
fi
fi
if [ -n "${VOLUME}" ]; then
MOUNT_OPTS="-v -t cifs -o uid=${USER_UID},gid=${USER_GID},forceuid,forcegid,sec=ntlm,nounix,file_mode=0700,dir_mode=0700"
SIGNAL="/tmp/signal.${RANDOM}.${RANDOM}.${PAM_USER}.${RANDOM}"
export USER="${REAL_ACCOUNT}"
export PASSWD="${PAM_AUTHTOK}"
( mount ${MOUNT_OPTS} "${VOLUME}" "${PERSISTENT_HOME_DIR}" > "${RESULT}" 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 "${SIGNAL}" ]; then
slxlog "pam-ad-mount" "Mount of '${VOLUME}' to '${PERSISTENT_HOME_DIR}' failed. (Args: ${MOUNT_OPTS})" "${RESULT}"
sleep 1
rm -f -- "${SIGNAL}"
elif kill -9 "${MOUNT_PID}" 2>/dev/null; then
slxlog "pam-ad-mount" "Mount of '${VOLUME}' to '${PERSISTENT_HOME_DIR}' timed out. (Args: ${MOUNT_OPTS})" "${RESULT}"
sleep 1
else
PERSISTENT_OK=yes
chmod -R u+rwX "${PERSISTENT_HOME_DIR}" 2>/dev/null
fi
unset USER
unset PASSWD
fi
[ -n "${RESULT}" ] && rm -f -- "${RESULT}"
true
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