package main

import (
  "fmt"
  "github.com/go-ldap/ldap"
  "os"
)

func main() {
  var ldap_uri string      = os.Args[1]
  var ldap_bind_dn string  = os.Args[2]
  var ldap_bind_pw string  = os.Args[3]
  var ldap_base_dn string  = os.Args[4]
  var uid string           = os.Args[5]

  l, err := ldap.DialURL(ldap_uri)
  if err != nil {
    panic(err)
  }

  defer l.Close()
  err = l.Bind(ldap_bind_dn, ldap_bind_pw)
  if err != nil {
    panic(err)
  }

  search_request := ldap.NewSearchRequest(ldap_base_dn, ldap.ScopeWholeSubtree, ldap.NeverDerefAliases, 0, 0, false, fmt.Sprintf("(&(objectClass=posixAccount)(uid=%s))", uid), []string{"dn", "sshPublicKey"}, nil)
  sr, err := l.Search(search_request)
  if err != nil {
    panic(err)
  }

  for _, entry := range(sr.Entries) {
    fmt.Printf("%v", entry.GetAttributeValue("sshPublicKey"))
  }
}