modules/private/ssh/ldap_authorized_keys.sh

   1 #!/usr/bin/env bash
   2
   3 LDAPSEARCH=ldapsearch
   4 KEY="immaeSshKey"
   5 LDAP_BIND="cn=ssh,ou=services,dc=immae,dc=eu"
   6 LDAP_PASS=$(cat /etc/ssh/ldap_password)
   7 LDAP_HOST="ldap.immae.eu"
   8 LDAP_BASE="dc=immae,dc=eu"
   9
  10 suitable_for() {
  11   type_for="$1"
  12   key="$2"
  13
  14   if [[ $key != *$'\n'* ]] && [[ $key == ssh-* ]]; then
  15     echo "$key"
  16   else
  17     key_type=$(cut -d " " -f 1 <<< "$key")
  18
  19     if grep -q "\b-$type_for\b" <<< "$key_type"; then
  20       echo ""
  21     elif grep -q "\b$type_for\b" <<< "$key_type"; then
  22       echo $(sed -e "s/^[^ ]* //g" <<< "$key")
  23     else
  24       echo ""
  25     fi
  26   fi
  27 }
  28
  29 clean_key_line() {
  30   type_for="$1"
  31   line="$2"
  32
  33   if [[ "$line" == $KEY::* ]]; then
  34     # base64 keys should't happen, unless wrong copy-pasting
  35     key=""
  36   else
  37     key=$(sed -e "s/^$KEY: *//" -e "s/ *$//" <<< "$line")
  38   fi
  39
  40   suitable_for "$type_for" "$key"
  41 }
  42
  43 ldap_search() {
  44   $LDAPSEARCH -h $LDAP_HOST -ZZ -b $LDAP_BASE -D $LDAP_BIND -w "$LDAP_PASS" -x -o ldif-wrap=no -LLL "$@"
  45 }
  46
  47 ldap_keys() {
  48   user=$1;
  49   @snippets@
  50 }
  51
  52 ldap_keys $@