#!/bin/sh

# This script will convert UR1 user mail into UR1 user sesame
# The first argument must be :
#   a file with a mail by line !
#   a mail address

# Dependancies:
# ldapsearch (provide by ldap-utils on GNU/Linux)

# Test if the first arg is a existing file
if [ -f "${1}" ]; then
	MAIL_LIST="${1}"
	UID_LIST="${MAIL_LIST}_uid"

	touch "${UID_LIST}"

	index=0
	while read -r mail; do
		index=$((index+1))
		uid=$(ldapsearch -ZZ -H ldap://ldap.univ-rennes1.fr -LLL '(mail='"${mail}"')' -b "dc=univ-rennes1,dc=fr" -x uid | grep "^uid" | cut -d" " -f2)

		#printf '%b' "${index}: ${mail} -> ${uid}\n"
		printf '%b' "${uid}\n" >> "${UID_LIST}"

	done < "${MAIL_LIST}"

	printf '%b' "Please see ${UID_LIST} file\n"
	exit 0
else
	MAIL="${1}"

	printf '%b' "This email address correspond to :\n"

	ldapsearch -ZZ -H ldap://ldap.univ-rennes1.fr -LLL '(mail='"${MAIL}"')' -b "dc=univ-rennes1,dc=fr" -x uid | grep "^uid" | cut -d" " -f2

	exit 0
fi

exit 0