77 lines
3.3 KiB
Bash
Executable File
77 lines
3.3 KiB
Bash
Executable File
#!/bin/sh
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# Purpose {{{
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## This script will :
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### Try to get the member of an LDAP group (allowed to connect to Compute Cluster).
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### Call a script in order to create the homedir for each user.
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### If the list of member is unchanged from a previous run, the script exit.
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# }}}
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# Vars {{{
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DEBUG=0
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group_cn="ur1:div:lab:r423:ipr:app:calcul:util_calcul"
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group_base="ou=grouper,dc=univ-rennes1,dc=fr"
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ldap_url="ldap://ldap.univ-rennes1.fr"
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ldap_user=$(sed -n 's/\(^ldap_default_bind_dn = \)\(.*\)/\2/p' /etc/sssd/sssd.conf)
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ldap_tok=$(find /etc/sssd/conf.d -type f -exec sed -n 's/\(^ldap_default_authtok = \)\(.*\)/\2/p' {} \; -quit)
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new_user_list_path="/tmp/cluster.user.list"
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old_user_list_path="/tmp/cluster.user.list.old"
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script_wd=$(dirname -- "${0}")
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homedir_script="${script_wd}/create.homedir.sh"
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# }}}
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# Check if ldap-utils/ldapsearch is available {{{
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if [ ! "$(command -v ldapsearch)" ]; then
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[ "${DEBUG}" -eq "0" ] && printf '\e[1;35m%-6s\e[m\n' "DEBUG : ldapsearch check — ldapsearch doesn't seems to be available. Please install ldap-utils package."
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exit 1
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fi
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# }}}
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# Check if a new user list already exist {{{
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if [ -s "${new_user_list_path}" ]; then
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[ "${DEBUG}" -eq "0" ] && printf '\e[1;35m%-6s\e[m\n' "DEBUG : New user list — ${new_user_list_path} already exists."
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exit 1
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else
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[ "${DEBUG}" -eq "0" ] && printf '\e[1;35m%-6s\e[m\n' "DEBUG : New User list — Get the user list."
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if command ldapsearch -ZZ -D "${ldap_user}" -w "${ldap_tok}" -H "${ldap_url}" -s one -b "${group_base}" "(cn=${group_cn})" member | sed -n 's/\(^member: uid=\)\(.*\)\(,ou=.*\)/\2/p' > "${new_user_list_path}"; then
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if [ -s "${new_user_list_path}" ]; then
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[ "${DEBUG}" -eq "0" ] && printf '\e[1;35m%-6s\e[m\n' "DEBUG : New User list — ${new_user_list_path} successfully created."
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command chmod 0400 -- "${new_user_list_path}"
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else
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[ "${DEBUG}" -eq "0" ] && printf '\e[1;35m%-6s\e[m\n' "DEBUG : New User list — Error. ${new_user_list_path} is empty."
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exit 1
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fi
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else
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[ "${DEBUG}" -eq "0" ] && printf '\e[1;35m%-6s\e[m\n' "DEBUG : New User list — Error in ldapsearch command."
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exit 1
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fi
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fi
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# }}}
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# Compare new user list with the previous one {{{
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if [ -s "${old_user_list_path}" ]; then
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[ "${DEBUG}" -eq "0" ] && printf '\e[1;35m%-6s\e[m\n' "DEBUG : Old user list — Compare ${new_user_list_path} with ${old_user_list_path}."
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diff -- "${new_user_list_path}" "${old_user_list_path}"
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if command diff -q -- "${new_user_list_path}" "${old_user_list_path}" > /dev/null; then
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[ "${DEBUG}" -eq "0" ] && printf '\e[1;35m%-6s\e[m\n' "DEBUG : Old user list — ${new_user_list_path} and ${old_user_list_path} are the same, no need to create directories."
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command mv -f -- "${new_user_list_path}" "${old_user_list_path}"
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command chmod 0400 -- "${old_user_list_path}"
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exit 0
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else
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[ "${DEBUG}" -eq "0" ] && printf '\e[1;35m%-6s\e[m\n' "DEBUG : Old user list — ${new_user_list_path} and ${old_user_list_path} are NOT the same."
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fi
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fi
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# }}}
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# Create user homedir {{{
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while IFS= read -r username; do
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[ "${DEBUG}" -eq "0" ] && printf '\e[1;35m%-6s\e[m\n' "DEBUG : Homedir — Apply ${homedir_script} for ${username}."
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${homedir_script} "${username}"
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done < "${new_user_list_path}"
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# }}}
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# Keep a record of user list for next use and restrict access
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command mv -f -- "${new_user_list_path}" "${old_user_list_path}"
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command chmod 0400 -- "${old_user_list_path}"
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exit 0
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