scsh-ldap/c/ldap.c

#include "scsh-ldap.h"

FFIT_MAKE_ENTER_RECORD(scsh_enter_ldap, scsh_ldap_record_type, 
		       LDAP*);

FFIT_MAKE_ENTER_RECORD(scsh_enter_ldapmessage, scsh_ldapmessage_record_type, 
		       LDAPMessage*);

FFIT_MAKE_ENTER_RECORD(scsh_enter_ldapmod, scsh_ldapmod_record_type,
		       LDAPMod*);

FFIT_MAKE_ENTER_RECORD(scsh_enter_ldapiinfo, scsh_ldapapiinfo_record_type,
		       LDAPAPIInfo*);

FFIT_STRUCT_GET_INT(scsh_ldapapiinfo_get_info_version, 
		    scsh_ldapapiinfo_record_type, LDAPAPIInfo*,
		    ldapai_info_version);

FFIT_STRUCT_GET_INT(scsh_ldapapiinfo_get_api_version,
		    scsh_ldapapiinfo_record_type, LDAPAPIInfo*,
		    ldapai_api_version);

FFIT_STRUCT_GET_INT(scsh_ldapapiinfo_get_protocol_version,
		    scsh_ldapapiinfo_record_type, LDAPAPIInfo*,
		    ldapai_protocol_version);

FFIT_STRUCT_GET_STRING(scsh_ldapapiinfo_get_vendor_name,
		       scsh_ldapapiinfo_record_type, LDAPAPIInfo*,
		       ldapai_vendor_name);

FFIT_STRUCT_GET_INT(scsh_ldapapiinfo_get_vendor_version,
		    scsh_ldapapiinfo_record_type, LDAPAPIInfo*,
		    ldapai_vendor_version);

FFIT_STRUCT_GET(scsh_ldapapiinfo_get_extensions,
		scsh_ldapapiinfo_record_type, LDAPAPIInfo*,
		ldapai_extensions, ffit_enter_string_array);

FFIT_MAKE_ENTER_RECORD(scsh_enter_berelement, scsh_berelement_record_type,
		       BerElement *);

s48_value scsh_ldap_init(s48_value host, s48_value port)
{
  LDAP *ldap;
  S48_DECLARE_GC_PROTECT(2);
  
  S48_GC_PROTECT_2(host, port);
  ldap = ldap_init(s48_extract_string(host), s48_extract_integer(port));
  S48_GC_UNPROTECT();
  if (ldap == NULL)
    s48_raise_os_error(errno);
  else
    scsh_enter_ldap(ldap);
}

s48_value scsh_ldap_simple_bind_s(s48_value ldap, s48_value user, s48_value cred)
{
  int r;
  S48_DECLARE_GC_PROTECT(3);

  S48_GC_PROTECT_3(ldap, user, cred);
  r = ldap_simple_bind_s(scsh_extract_ldap(ldap), s48_extract_string(user),
			 s48_extract_string(cred));
  S48_GC_UNPROTECT();
  return s48_enter_integer(r);
}

s48_value scsh_ldap_sasl_bind_s(s48_value ldap, s48_value dn,
				s48_value mechanism, s48_value cred,
				s48_value server_controls,
				s48_value client_controls,
				s48_value server_cred_p)
{
  /* need to implement bindings for berval stuff first */
  return S48_FALSE;
}

s48_value scsh_ldap_unbind_s(s48_value ldap)
{
  FFIT_CHECK_RECORD_TYPE(ldap, scsh_ldap_record_type);
  return s48_enter_integer(ldap_unbind_s(scsh_extract_ldap(ldap)));
}

s48_value scsh_ldap_error_string(s48_value errcode)
{
  FFIT_CHECK_INTEGER(errcode);
  return s48_enter_string(ldap_err2string(s48_extract_integer(errcode)));
}

s48_value scsh_ldap_result_error(s48_value ldap, s48_value res)
{
  int r;
  S48_DECLARE_GC_PROTECT(2);
  
  S48_GC_PROTECT_2(ldap, res);
  r = s48_enter_integer(ldap_result2error(scsh_extract_ldap(ldap), 
					  scsh_extract_ldapmessage(res), 0));
  S48_GC_UNPROTECT();
  return s48_enter_integer(r);
}

s48_value scsh_ldap_memfree(s48_value ldap)
{
  FFIT_CHECK_RECORD_TYPE(ldap, scsh_ldap_record_type);
  ldap_memfree(scsh_extract_ldap(ldap));
  return S48_UNSPECIFIC;
}

s48_value scsh_ldap_msgfree(s48_value ldapmsg)
{
  FFIT_CHECK_RECORD_TYPE(ldapmsg, scsh_ldapmessage_record_type);
  ldap_msgfree(scsh_extract_ldapmessage(ldapmsg));
  return S48_UNSPECIFIC;
}

s48_value scsh_ldap_ber_free(s48_value ber, s48_value sfbuf)
{
  int fbuf;
  S48_DECLARE_GC_PROTECT(2);
  
  S48_GC_PROTECT_2(ber, sfbuf);
  fbuf = s48_extract_integer(sfbuf);
  S48_GC_UNPROTECT();
  ber_free(scsh_extract_berelement(ber), fbuf);
}

s48_value scsh_ldap_search_s(s48_value ldap, s48_value base,
			     s48_value scope, s48_value filter,
			     s48_value attrs, s48_value attrsonly)
{
  int r;
  char** a;
  LDAPMessage **msg;
  s48_value res;
  S48_DECLARE_GC_PROTECT(7);

  S48_GC_PROTECT_7(ldap, base, scope, filter, attrs, attrsonly, res);
  FFIT_CHECK_RECORD_TYPE(ldap, scsh_ldap_record_type);

  a = ffit_extract_list_of_strings(attrs);
  r = ldap_search_s(scsh_extract_ldap(ldap),
		    S48_FALSE_P(base) ? NULL : s48_extract_string(base),
		    s48_extract_integer(scope),
		    s48_extract_string(filter),
		    a,
		    S48_TRUE_P(attrsonly),
		    msg);
  free(a);
  res = s48_list_2(s48_enter_integer(r), 
		   r == LDAP_SUCCESS ? scsh_enter_ldapmessage(*msg) : S48_FALSE);
  S48_GC_UNPROTECT();
  return res;
}

s48_value scsh_ldap_search_st(s48_value ldap, s48_value base,
			      s48_value scope, s48_value filter,
			      s48_value attrs, s48_value attrsonly,
			      s48_value timeout_sec, s48_value timeout_usec)
{
  int r;
  char** a;
  LDAPMessage **msg;
  struct timeval timeout;
  s48_value res = S48_FALSE;
  S48_DECLARE_GC_PROTECT(9);

  S48_GC_PROTECT_9(ldap, base, scope, filter, attrs, attrsonly, res,
		   timeout_sec, timeout_usec);
  FFIT_CHECK_RECORD_TYPE(ldap, scsh_ldap_record_type);

  timeout.tv_sec = s48_extract_integer(timeout_sec);
  timeout.tv_usec = s48_extract_integer(timeout_usec);
  a = ffit_extract_list_of_strings(attrs);

  r = ldap_search_st(scsh_extract_ldap(ldap), s48_extract_string(base),
		     s48_extract_integer(scope), s48_extract_string(filter),
		     a, S48_TRUE_P(attrsonly), &timeout, msg);
  free(a);
  res = s48_list_2(s48_enter_integer(r), 
		   r == LDAP_SUCCESS ? scsh_enter_ldapmessage(*msg) : S48_FALSE);
  S48_GC_UNPROTECT();
  return res;
}

s48_value scsh_ldap_compare_s(s48_value ldap, s48_value dn,
			      s48_value attr, s48_value value)
{
  s48_value res;
  int r;
  S48_DECLARE_GC_PROTECT(5);

  S48_GC_PROTECT_5(ldap, dn, attr, value, res);
  FFIT_CHECK_RECORD_TYPE(ldap, scsh_ldap_record_type);
  r = ldap_compare_s(scsh_extract_ldap(ldap), s48_extract_string(dn),
		     s48_extract_string(attr), s48_extract_string(value));
  S48_GC_UNPROTECT();
  switch (r) {
  case LDAP_COMPARE_TRUE:	return S48_TRUE;
  case LDAP_COMPARE_FALSE:	return S48_FALSE;
  default:			return s48_enter_integer(r);
  }
}

s48_value scsh_ldap_count_entries(s48_value ldap, s48_value lm)
{
  int r;
  S48_DECLARE_GC_PROTECT(2);

  S48_GC_PROTECT_2(ldap, lm);
  FFIT_CHECK_RECORD_TYPE(ldap, scsh_ldap_record_type);
  FFIT_CHECK_RECORD_TYPE(lm, scsh_ldapmessage_record_type);

  r = ldap_count_entries(scsh_extract_ldap(ldap),
			 scsh_extract_ldapmessage(lm));
  S48_GC_UNPROTECT();
  return (r == -1) ? S48_FALSE : s48_enter_integer(r);
}

s48_value scsh_ldap_first_entry(s48_value ldap, s48_value lm)
{
  LDAPMessage *lm_new;
  S48_DECLARE_GC_PROTECT(2);
  
  S48_GC_PROTECT_2(ldap, lm);
  FFIT_CHECK_RECORD_TYPE(ldap, scsh_ldap_record_type);
  FFIT_CHECK_RECORD_TYPE(lm, scsh_ldapmessage_record_type);

  lm_new = ldap_first_entry(scsh_extract_ldap(ldap),
			    scsh_extract_ldapmessage(lm));
  S48_GC_UNPROTECT();
  return (lm_new == NULL) ? S48_FALSE : scsh_enter_ldapmessage(lm_new);
}

s48_value scsh_ldap_next_entry(s48_value ldap, s48_value lm)
{
  LDAPMessage *lm_new;
  S48_DECLARE_GC_PROTECT(2);

  S48_GC_PROTECT_2(ldap, lm);
  FFIT_CHECK_RECORD_TYPE(ldap, scsh_ldap_record_type);
  FFIT_CHECK_RECORD_TYPE(lm, scsh_ldapmessage_record_type);

  lm_new = ldap_next_entry(scsh_extract_ldap(ldap),
			   scsh_extract_ldapmessage(lm));
  S48_GC_UNPROTECT();
  return (lm_new == NULL) ? S48_FALSE : scsh_enter_ldapmessage(lm_new);
}

s48_value scsh_ldap_first_message(s48_value ldap, s48_value lm)
{
  LDAPMessage *first;
  S48_DECLARE_GC_PROTECT(2);

  S48_GC_PROTECT_2(ldap, lm);
  FFIT_CHECK_RECORD_TYPE(ldap, scsh_ldap_record_type);
  FFIT_CHECK_RECORD_TYPE(lm, scsh_ldapmessage_record_type);
  first = ldap_first_message(scsh_extract_ldap(ldap),
			     scsh_extract_ldapmessage(lm));
  S48_GC_UNPROTECT();
  return (first == NULL) ? S48_FALSE : scsh_enter_ldapmessage(first);
}

s48_value scsh_ldap_next_message(s48_value ldap, s48_value lm)
{
  LDAPMessage *next;
  S48_DECLARE_GC_PROTECT(2);

  S48_GC_PROTECT_2(ldap, lm);
  FFIT_CHECK_RECORD_TYPE(ldap, scsh_ldap_record_type);
  FFIT_CHECK_RECORD_TYPE(lm, scsh_ldapmessage_record_type);
  next = ldap_next_message(scsh_extract_ldap(ldap),
			   scsh_extract_ldapmessage(lm));
  S48_GC_UNPROTECT();
  return (next == NULL) ? S48_FALSE : scsh_enter_ldapmessage(next);
}

s48_value scsh_ldap_count_messages(s48_value ldap, s48_value lm)
{
  int c;
  S48_DECLARE_GC_PROTECT(2);

  S48_GC_PROTECT_2(ldap, lm);
  FFIT_CHECK_RECORD_TYPE(ldap, scsh_ldap_record_type);
  FFIT_CHECK_RECORD_TYPE(lm, scsh_ldapmessage_record_type);
  c = ldap_count_messages(scsh_extract_ldap(ldap), 
			  scsh_extract_ldapmessage(lm));
  S48_GC_UNPROTECT();
  return (c == -1) ? S48_FALSE : s48_enter_integer(c);
}

s48_value scsh_ldap_first_reference(s48_value ldap, s48_value lm)
{
  LDAPMessage *new_lm;
  S48_DECLARE_GC_PROTECT(2);

  S48_GC_PROTECT_2(ldap, lm);
  FFIT_CHECK_RECORD_TYPE(ldap, scsh_ldap_record_type);
  FFIT_CHECK_RECORD_TYPE(lm, scsh_ldapmessage_record_type);
  new_lm = ldap_first_reference(scsh_extract_ldap(ldap),
				scsh_extract_ldapmessage(lm));
  S48_GC_UNPROTECT();
  return (new_lm == NULL) ? S48_FALSE : scsh_enter_ldapmessage(new_lm);
}

s48_value scsh_ldap_next_reference(s48_value ldap, s48_value lm)
{
  LDAPMessage *new_lm;
  S48_DECLARE_GC_PROTECT(2);
  
  S48_GC_PROTECT_2(ldap, lm);
  FFIT_CHECK_RECORD_TYPE(ldap, scsh_ldap_record_type);
  FFIT_CHECK_RECORD_TYPE(lm, scsh_ldapmessage_record_type);
  new_lm = ldap_next_reference(scsh_extract_ldap(ldap),
			       scsh_extract_ldapmessage(lm));
  S48_GC_UNPROTECT();
  return (new_lm == NULL) ? S48_FALSE : scsh_enter_ldapmessage(new_lm);
}
    
s48_value scsh_ldap_count_references(s48_value ldap, s48_value lm)
{
  int c;
  S48_DECLARE_GC_PROTECT(2);

  S48_GC_PROTECT_2(ldap, lm);
  FFIT_CHECK_RECORD_TYPE(ldap, scsh_ldap_record_type);
  FFIT_CHECK_RECORD_TYPE(lm, scsh_ldapmessage_record_type);
  c = ldap_count_references(scsh_extract_ldap(ldap), 
			    scsh_extract_ldapmessage(lm));
  S48_GC_UNPROTECT();
  return (c == -1) ? S48_FALSE : s48_enter_integer(c);
}

s48_value scsh_ldap_first_attribute(s48_value ldap, s48_value entry)
{
  BerElement *ber;
  char *name;
  s48_value res_list = S48_FALSE;
  S48_DECLARE_GC_PROTECT(3);

  S48_GC_PROTECT_3(ldap, entry, res_list);
  if ((ber = ber_alloc_t(LBER_USE_DER)) == NULL)
    raise_ldap_memory_alloc_error();
  
  name = ldap_first_attribute(scsh_extract_ldap(ldap),
			      scsh_extract_ldapmessage(entry),
			      &ber);
  if (name == NULL)
    res_list = s48_list_2(S48_FALSE, S48_FALSE);
  else
    res_list = s48_list_2(s48_enter_string(name), 
			  scsh_enter_berelement(ber));
  S48_GC_UNPROTECT();
  return res_list;
}

s48_value scsh_ldap_next_attribute(s48_value ldap, s48_value entry, s48_value ber)
{
  char *name;
  s48_value res;
  S48_DECLARE_GC_PROTECT(4);

  S48_GC_PROTECT_4(ldap, entry, ber, res);
  name = ldap_next_attribute(scsh_extract_ldap(ldap),
			     scsh_extract_ldapmessage(entry),
			     scsh_extract_berelement(ber));
  res = (name == NULL) ? s48_enter_string(name) : S48_FALSE;
  S48_GC_UNPROTECT();
  return res;
}

s48_value scsh_ldap_msgtype(s48_value lm)
{
  int r;
  
  FFIT_CHECK_RECORD_TYPE(lm, scsh_ldapmessage_record_type);
  r = ldap_msgtype(scsh_extract_ldapmessage(lm));
  return (r == -1) ? S48_FALSE : s48_enter_integer(r);
}

s48_value scsh_ldap_msgid(s48_value lm)
{
  int r;
  
  FFIT_CHECK_RECORD_TYPE(lm, scsh_ldapmessage_record_type);
  r = ldap_msgid(scsh_extract_ldapmessage(lm));
  return (r == -1) ? S48_FALSE : s48_enter_integer(r);
}

/* may raise ldap error */
s48_value scsh_ldap_get_dn(s48_value ldap, s48_value entry)
{
  char *s;
  s48_value res;
  S48_DECLARE_GC_PROTECT(3);
  
  S48_GC_PROTECT_3(ldap, entry, res);
  FFIT_CHECK_RECORD_TYPE(ldap, scsh_ldap_record_type);
  FFIT_CHECK_RECORD_TYPE(entry, scsh_ldapmessage_record_type);
  s = ldap_get_dn(scsh_extract_ldap(ldap), scsh_extract_ldapmessage(entry));
  res = (s == NULL) ? S48_FALSE : s48_enter_string(s);
  S48_GC_UNPROTECT();
  ldap_memfree(s);
  return res;
}

s48_value scsh_ldap_explode_dn(s48_value dn, s48_value notypes)
{
  char **a;
  s48_value res = S48_FALSE;
  S48_DECLARE_GC_PROTECT(3);

  S48_GC_PROTECT_3(dn, notypes, res);
  a = ldap_explode_dn(s48_extract_string(dn), 
		      S48_TRUE_P(notypes) ? 0 : 1);
  res = ffit_enter_string_array(a);
  S48_GC_UNPROTECT();
  ldap_value_free(a);
  return res;
}

s48_value scsh_ldap_explode_rdn(s48_value rdn, s48_value notypes)
{
  char **a;
  s48_value res = S48_FALSE;
  S48_DECLARE_GC_PROTECT(3);

  S48_GC_PROTECT_3(rdn, notypes, res);
  a = ldap_explode_rdn(s48_extract_string(rdn), 
		       S48_TRUE_P(notypes) ? 0 : 1);
  res = ffit_enter_string_array(a);
  S48_GC_UNPROTECT();
  ldap_value_free(a);
  return res;
}

s48_value scsh_ldap_dn2ufn(s48_value dn)
{
  char *a;
  s48_value res = S48_FALSE;
  S48_DECLARE_GC_PROTECT(2);

  S48_GC_PROTECT_2(dn, res);
  a = ldap_dn2ufn(s48_extract_string(dn));
  res = s48_enter_string(a);
  S48_GC_UNPROTECT();
  ldap_memfree(a);
  return res;
}

s48_value scsh_ldap_get_values(s48_value ldap, s48_value entry,
			       s48_value attr)
{
  char **val;
  s48_value res;
  S48_DECLARE_GC_PROTECT(4);

  S48_GC_PROTECT_4(ldap, entry, attr, res);
  FFIT_CHECK_RECORD_TYPE(ldap, scsh_ldap_record_type);
  FFIT_CHECK_RECORD_TYPE(entry, scsh_ldapmessage_record_type);

  val = ldap_get_values(scsh_extract_ldap(ldap),
			scsh_extract_ldapmessage(entry),
			s48_extract_string(attr));
  res = (val == NULL) ? S48_FALSE : ffit_enter_string_array(val);
  if (val != NULL) 
    ldap_value_free(val);
  S48_GC_UNPROTECT();
  return res;
}

s48_value scsh_ldap_modify(s48_value ldap, s48_value dn, s48_value mods)
{
  int r;
  S48_DECLARE_GC_PROTECT(3);

  S48_GC_PROTECT_3(ldap, dn, mods);
  FFIT_CHECK_RECORD_TYPE(ldap, scsh_ldap_record_type);
  r = ldap_modify_s(scsh_extract_ldap(ldap), s48_extract_string(dn),
		    scsh_extract_ldapmod_vector(mods));
  S48_GC_UNPROTECT();
  return s48_enter_integer(r);
}

s48_value scsh_ldap_add(s48_value ldap, s48_value dn, s48_value mods)
{
  int r;
  S48_DECLARE_GC_PROTECT(3);

  S48_GC_PROTECT_3(ldap, dn, mods);
  FFIT_CHECK_RECORD_TYPE(ldap, scsh_ldap_record_type);
  if (!S48_VECTOR_P(mods))
    s48_raise_argument_type_error(mods);

  r = ldap_add_s(scsh_extract_ldap(ldap), s48_extract_string(dn),
		 scsh_extract_ldapmod_vector(mods));
  S48_GC_UNPROTECT();
  return s48_enter_integer(r);
}

s48_value scsh_ldap_delete(s48_value ldap, s48_value dn)
{
  int r;
  S48_DECLARE_GC_PROTECT(2);

  S48_GC_PROTECT_2(ldap, dn);
  FFIT_CHECK_RECORD_TYPE(ldap, scsh_ldap_record_type);
  r = ldap_delete_s(scsh_extract_ldap(ldap), s48_extract_string(dn));
  S48_GC_UNPROTECT();
  return s48_enter_integer(r);
}

s48_value scsh_ldap_abandon(s48_value ldap, s48_value msgid)
{
  int r;
  S48_DECLARE_GC_PROTECT(2);

  S48_GC_PROTECT_2(ldap, msgid);
  FFIT_CHECK_RECORD_TYPE(ldap, scsh_ldap_record_type);
  r = ldap_abandon(scsh_extract_ldap(ldap), s48_extract_integer(msgid));
  S48_GC_UNPROTECT();
  return s48_enter_integer(r);
}

s48_value scsh_ldap_get_set_option(s48_value ldap, s48_value option,
				   s48_value set, s48_value inval)
{
  int opt, rc;
  LDAP *ld;
  void *outvalue;
  s48_value res, res_list;
  S48_DECLARE_GC_PROTECT(6);

  S48_GC_PROTECT_6(ldap, option, set, inval, res, res_list);
  FFIT_CHECK_RECORD_TYPE(ldap, scsh_ldap_record_type);
  FFIT_CHECK_BOOLEAN(set);
  ld = scsh_extract_ldap(ldap);

  res = S48_UNSPECIFIC;
  switch (opt) {
  case LDAP_OPT_API_INFO:
    {
      if (S48_TRUE_P(set))
	raise_ldap_read_only_option();
      rc = ldap_get_option(ld, opt, outvalue);
      if (rc == LDAP_OPT_SUCCESS)
	res = scsh_enter_ldapiinfo((LDAPAPIInfo *) outvalue);
      break;
    }
  case LDAP_OPT_DEREF:
    {
    }
  case LDAP_OPT_SIZELIMIT: 
  case LDAP_OPT_TIMELIMIT:
    {
      int l;
      if (S48_TRUE_P(set)) {
	FFIT_CHECK_INTEGER(inval);
	l = s48_extract_integer(inval);
	rc = ldap_set_option(ld, opt, &l);
      }
      else 
	if ((rc = ldap_get_option(ld, opt, outvalue)) == LDAP_SUCCESS)
	  res = s48_enter_integer(*((int*)outvalue));
      break;
    }
  case LDAP_OPT_REFERRALS:
  case LDAP_OPT_RESTART:
    {
      if (S48_TRUE_P(set)) {
	FFIT_CHECK_BOOLEAN(inval);
	rc = ldap_set_option(ld, opt, S48_TRUE_P(inval) ? LDAP_OPT_ON : LDAP_OPT_OFF);
      }
      else
	if ((rc = ldap_get_option(ld, opt, outvalue)) == LDAP_SUCCESS)
	  res = outvalue == 0 ? S48_TRUE : S48_FALSE;
      break;
    }
  case LDAP_OPT_PROTOCOL_VERSION:
    {
      int v;
      if (S48_TRUE_P(set)) {
	FFIT_CHECK_INTEGER(inval);
	v = s48_extract_integer(inval);
	rc = ldap_set_option(ld, opt, &v);
      }
      else
	if ((rc = ldap_get_option(ld, opt, outvalue)) == LDAP_SUCCESS)
	  res = s48_enter_integer(*(int *)outvalue);
      break;
    }
  case LDAP_OPT_SERVER_CONTROLS:
  case LDAP_OPT_CLIENT_CONTROLS:
    {
      raise_ldap_read_only_option();
    }
  }

  res_list = 
    s48_list_2(rc == LDAP_OPT_SUCCESS ? S48_TRUE : S48_FALSE,
	       rc == LDAP_OPT_SUCCESS ? res : S48_UNSPECIFIC);
  S48_GC_UNPROTECT();
  return res_list;
}

/* ************************************************************************ */

/* FIXME: support modv_bvals (binary values) */
s48_value scsh_ldapmod_create(s48_value op, s48_value type, s48_value data_vector)
{ 
  LDAPMod *m;
  S48_DECLARE_GC_PROTECT(3); 

  S48_GC_PROTECT_3(op, type, data_vector);
  if ((m = (LDAPMod*) calloc(1, sizeof(LDAPMod))) == NULL)
    raise_ldap_memory_alloc_error();

  m->mod_op = s48_extract_integer(op); 
  m->mod_type = s48_extract_string(type); 
  m->mod_vals.modv_strvals = ffit_extract_list_of_strings(data_vector);

  return scsh_enter_ldapmod(m);
}  

LDAPMod** scsh_extract_ldapmod_vector(s48_value vector)
{
  LDAPMod **a;
  int l, i;
  S48_DECLARE_GC_PROTECT(1);

  S48_GC_PROTECT_1(vector);
  l = S48_VECTOR_LENGTH(vector);
  if ((*a = (LDAPMod *) calloc(l+1, sizeof(LDAPMod*))) == NULL)
    raise_ldap_memory_alloc_error();
  for (i = 0; i < l; i++)
    a[i] = scsh_extract_ldapmod(S48_VECTOR_REF(vector, i));
  a[l] = NULL;
  S48_GC_UNPROTECT();
  return a;
}

void raise_ldap_memory_alloc_error(void) 
{ 
  s48_raise_scheme_exception(condition_ldap_memory_alloc_error, 0);
}

void raise_ldap_feature_not_supported(void)
{
  s48_raise_scheme_exception(condition_ldap_feature_not_supported, 0);
}

void raise_ldap_read_only_option(void)
{
  s48_raise_scheme_exception(condition_ldap_read_only_option, 0);
}

void scsh_init_ldap_bindings(void)
{
  ffit_init_hook();

  scsh_ldap_gc_protect_globals();
  S48_GC_PROTECT_GLOBAL(condition_ldap_memory_alloc_error);
  S48_GC_PROTECT_GLOBAL(condition_ldap_feature_not_supported);
  S48_GC_PROTECT_GLOBAL(condition_ldap_read_only_option);

  condition_ldap_memory_alloc_error = 
    s48_get_imported_binding("condition-ldap-memory-alloc-error");
  condition_ldap_feature_not_supported = 
    s48_get_imported_binding("condition-ldap-feature-not-supported");
  condition_ldap_read_only_option =
    s48_get_imported_binding("condition-ldap-read-only-option");

  scsh_ldap_enter_ldap_constants();
  FFIT_RECORD_TYPE_INIT(scsh_ldap_record_type, ldap);
  FFIT_RECORD_TYPE_INIT(scsh_ldapmessage_record_type, ldap-message);
  FFIT_RECORD_TYPE_INIT(scsh_ldapmod_record_type, ldap-modification);

  FFIT_RECORD_TYPE_INIT(scsh_ldapapiinfo_record_type, ldap-api-info);
  S48_EXPORT_FUNCTION(scsh_ldapapiinfo_get_info_version);
  S48_EXPORT_FUNCTION(scsh_ldapapiinfo_get_protocol_version);
  S48_EXPORT_FUNCTION(scsh_ldapapiinfo_get_vendor_name);
  S48_EXPORT_FUNCTION(scsh_ldapapiinfo_get_vendor_version);
  S48_EXPORT_FUNCTION(scsh_ldapapiinfo_get_extensions);

  FFIT_RECORD_TYPE_INIT(scsh_berelement_record_type, ber-element);

  S48_EXPORT_FUNCTION(scsh_ldap_init);
  S48_EXPORT_FUNCTION(scsh_ldap_simple_bind_s);
  S48_EXPORT_FUNCTION(scsh_ldap_sasl_bind_s);
  S48_EXPORT_FUNCTION(scsh_ldap_unbind_s);
  S48_EXPORT_FUNCTION(scsh_ldap_error_string);
  S48_EXPORT_FUNCTION(scsh_ldap_result_error);
  S48_EXPORT_FUNCTION(scsh_ldap_memfree);
  S48_EXPORT_FUNCTION(scsh_ldap_msgfree);
  S48_EXPORT_FUNCTION(scsh_ldap_ber_free);
  S48_EXPORT_FUNCTION(scsh_ldap_search_s);
  S48_EXPORT_FUNCTION(scsh_ldap_search_st);
  S48_EXPORT_FUNCTION(scsh_ldap_compare_s);
  S48_EXPORT_FUNCTION(scsh_ldap_count_entries);
  S48_EXPORT_FUNCTION(scsh_ldap_first_entry);
  S48_EXPORT_FUNCTION(scsh_ldap_next_entry);
  S48_EXPORT_FUNCTION(scsh_ldap_first_message);
  S48_EXPORT_FUNCTION(scsh_ldap_next_message);
  S48_EXPORT_FUNCTION(scsh_ldap_count_messages);
  S48_EXPORT_FUNCTION(scsh_ldap_first_reference);
  S48_EXPORT_FUNCTION(scsh_ldap_next_reference);
  S48_EXPORT_FUNCTION(scsh_ldap_count_references);
  S48_EXPORT_FUNCTION(scsh_ldap_first_attribute);
  S48_EXPORT_FUNCTION(scsh_ldap_next_attribute);
  S48_EXPORT_FUNCTION(scsh_ldap_msgtype);
  S48_EXPORT_FUNCTION(scsh_ldap_msgid);
  S48_EXPORT_FUNCTION(scsh_ldap_get_dn);
  S48_EXPORT_FUNCTION(scsh_ldap_explode_dn);
  S48_EXPORT_FUNCTION(scsh_ldap_explode_rdn);
  S48_EXPORT_FUNCTION(scsh_ldap_dn2ufn);
  S48_EXPORT_FUNCTION(scsh_ldap_get_values);
  S48_EXPORT_FUNCTION(scsh_ldap_modify);
  S48_EXPORT_FUNCTION(scsh_ldap_add);
  S48_EXPORT_FUNCTION(scsh_ldap_delete);
  S48_EXPORT_FUNCTION(scsh_ldap_abandon);
  S48_EXPORT_FUNCTION(scsh_ldap_get_set_option);
  S48_EXPORT_FUNCTION(scsh_ldapmod_create);
}