1999-09-09 03:06:24 +08:00
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/* $OpenLDAP$ */
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2003-11-26 15:16:36 +08:00
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/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
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*
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2004-01-02 03:15:16 +08:00
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* Copyright 1998-2004 The OpenLDAP Foundation.
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2003-11-30 09:07:47 +08:00
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* Portions Copyright 1998 A. Hartgers.
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2003-11-26 15:16:36 +08:00
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted only as authorized by the OpenLDAP
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* Public License.
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1998-12-19 09:27:20 +08:00
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*
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2003-11-26 15:16:36 +08:00
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* A copy of this license is available in the file LICENSE in the
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* top-level directory of the distribution or, alternatively, at
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* <http://www.OpenLDAP.org/license.html>.
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*/
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/* ACKNOWLEDGEMENTS:
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* This work was initially developed by Bart Hartgers for inclusion in
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* OpenLDAP Software.
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2003-11-30 01:29:44 +08:00
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*/
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2003-11-26 15:16:36 +08:00
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/*
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* util-int.c Various functions to replace missing threadsafe ones.
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* Without the real *_r funcs, things will
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* work, but might not be threadsafe.
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*/
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1999-02-25 21:07:27 +08:00
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1998-12-19 09:27:20 +08:00
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#include "portable.h"
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1999-06-03 08:37:44 +08:00
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#include <ac/stdlib.h>
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1998-12-19 09:27:20 +08:00
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#include <ac/errno.h>
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#include <ac/socket.h>
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#include <ac/string.h>
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#include <ac/time.h>
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2000-09-15 11:06:18 +08:00
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|
#include <ac/unistd.h>
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1998-12-19 09:27:20 +08:00
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#include "ldap-int.h"
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2003-03-14 12:56:08 +08:00
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|
#ifndef h_errno
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2003-03-14 12:25:39 +08:00
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|
/* newer systems declare this in <netdb.h> for you, older ones don't.
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2003-03-14 12:56:08 +08:00
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* harmless to declare it again (unless defined by a macro).
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2003-03-14 12:25:39 +08:00
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*/
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extern int h_errno;
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2003-03-14 12:56:08 +08:00
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#endif
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2003-03-14 12:25:39 +08:00
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2004-04-25 09:09:40 +08:00
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|
#ifdef HAVE_HSTRERROR
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# define HSTRERROR(e) hstrerror(e)
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#else
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# define HSTRERROR(e) hp_strerror(e)
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#endif
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|
2002-12-31 13:55:06 +08:00
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#ifndef LDAP_R_COMPILE
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1999-01-28 12:34:55 +08:00
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# undef HAVE_REENTRANT_FUNCTIONS
|
2002-12-04 12:51:55 +08:00
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# undef HAVE_CTIME_R
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# undef HAVE_GETHOSTBYNAME_R
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# undef HAVE_GETHOSTBYADDR_R
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#else
|
2002-12-31 13:55:06 +08:00
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# include <ldap_pvt_thread.h>
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ldap_pvt_thread_mutex_t ldap_int_resolv_mutex;
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1999-01-28 12:34:55 +08:00
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#if (defined( HAVE_CTIME_R ) || defined( HAVE_REENTRANT_FUNCTIONS)) \
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&& defined( CTIME_R_NARGS )
|
2002-12-31 13:55:06 +08:00
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# define USE_CTIME_R
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|
# else
|
2002-12-04 12:51:55 +08:00
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static ldap_pvt_thread_mutex_t ldap_int_ctime_mutex;
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2002-12-31 13:55:06 +08:00
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# endif
|
1999-01-15 22:49:03 +08:00
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|
2002-12-31 13:55:06 +08:00
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# if defined(HAVE_GETHOSTBYNAME_R) && \
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2002-12-04 13:13:14 +08:00
|
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(GETHOSTBYNAME_R_NARGS < 5) || (6 < GETHOSTBYNAME_R_NARGS)
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1999-03-04 05:34:49 +08:00
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/* Don't know how to handle this version, pretend it's not there */
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# undef HAVE_GETHOSTBYNAME_R
|
2002-12-31 13:55:06 +08:00
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|
# endif
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|
# if defined(HAVE_GETHOSTBYADDR_R) && \
|
2002-12-04 13:13:14 +08:00
|
|
|
(GETHOSTBYADDR_R_NARGS < 7) || (8 < GETHOSTBYADDR_R_NARGS)
|
1999-03-04 05:34:49 +08:00
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|
/* Don't know how to handle this version, pretend it's not there */
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|
# undef HAVE_GETHOSTBYADDR_R
|
2002-12-31 13:55:06 +08:00
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|
# endif
|
1999-01-28 12:34:55 +08:00
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|
#endif /* LDAP_R_COMPILE */
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|
1999-01-15 22:49:03 +08:00
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char *ldap_pvt_ctime( const time_t *tp, char *buf )
|
1998-12-19 09:27:20 +08:00
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{
|
1999-01-28 12:34:55 +08:00
|
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|
#ifdef USE_CTIME_R
|
1999-01-03 07:40:31 +08:00
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|
# if (CTIME_R_NARGS > 3) || (CTIME_R_NARGS < 2)
|
1999-05-31 13:34:13 +08:00
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|
# error "CTIME_R_NARGS should be 2 or 3"
|
1999-03-06 12:23:17 +08:00
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|
# elif CTIME_R_NARGS > 2 && defined(CTIME_R_RETURNS_INT)
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|
return( ctime_r(tp,buf,26) < 0 ? 0 : buf );
|
1999-01-03 07:40:31 +08:00
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|
# elif CTIME_R_NARGS > 2
|
1999-01-02 08:56:45 +08:00
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|
return ctime_r(tp,buf,26);
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|
# else
|
1999-01-03 07:40:31 +08:00
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|
return ctime_r(tp,buf);
|
1999-01-02 08:56:45 +08:00
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|
# endif
|
1999-01-28 12:34:55 +08:00
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|
1998-12-19 09:27:20 +08:00
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|
#else
|
2002-12-04 12:51:55 +08:00
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|
1999-02-21 02:33:24 +08:00
|
|
|
# ifdef LDAP_R_COMPILE
|
1999-01-15 22:49:03 +08:00
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|
ldap_pvt_thread_mutex_lock( &ldap_int_ctime_mutex );
|
1999-01-28 12:34:55 +08:00
|
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|
# endif
|
2002-12-04 12:51:55 +08:00
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|
2000-07-28 09:07:07 +08:00
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|
AC_MEMCPY( buf, ctime(tp), 26 );
|
2002-12-04 12:51:55 +08:00
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|
1999-02-21 02:33:24 +08:00
|
|
|
# ifdef LDAP_R_COMPILE
|
1999-01-15 22:49:03 +08:00
|
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|
ldap_pvt_thread_mutex_unlock( &ldap_int_ctime_mutex );
|
1999-01-28 12:34:55 +08:00
|
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|
# endif
|
2002-12-04 12:51:55 +08:00
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|
1999-01-14 23:19:29 +08:00
|
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|
return buf;
|
1998-12-19 09:27:20 +08:00
|
|
|
#endif
|
|
|
|
}
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|
2002-01-03 01:38:46 +08:00
|
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|
#define BUFSTART (1024-32)
|
2002-01-03 01:06:56 +08:00
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|
|
#define BUFMAX (32*1024-32)
|
1998-12-19 09:27:20 +08:00
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|
1999-01-15 22:49:03 +08:00
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|
static char *safe_realloc( char **buf, int len );
|
2000-09-15 11:06:18 +08:00
|
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|
|
#if !defined(HAVE_GETHOSTBYNAME_R) && defined(LDAP_R_COMPILE)
|
2002-12-04 12:51:55 +08:00
|
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|
static int copy_hostent( struct hostent *res,
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|
char **buf, struct hostent * src );
|
2000-09-15 11:06:18 +08:00
|
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|
#endif
|
1999-01-14 23:19:29 +08:00
|
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|
1999-01-15 22:49:03 +08:00
|
|
|
int ldap_pvt_gethostbyname_a(
|
1998-12-19 09:27:20 +08:00
|
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|
const char *name,
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|
|
struct hostent *resbuf,
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char **buf,
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struct hostent **result,
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int *herrno_ptr )
|
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|
|
{
|
1999-01-28 12:34:55 +08:00
|
|
|
#if defined( HAVE_GETHOSTBYNAME_R )
|
1999-02-25 21:07:27 +08:00
|
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|
1999-01-15 22:49:03 +08:00
|
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|
# define NEED_SAFE_REALLOC 1
|
1999-01-14 23:19:29 +08:00
|
|
|
int r=-1;
|
1998-12-19 09:27:20 +08:00
|
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|
int buflen=BUFSTART;
|
1999-01-14 23:19:29 +08:00
|
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|
*buf = NULL;
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|
for(;buflen<BUFMAX;) {
|
|
|
|
if (safe_realloc( buf, buflen )==NULL)
|
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|
|
return r;
|
1999-02-25 21:07:27 +08:00
|
|
|
|
|
|
|
#if (GETHOSTBYNAME_R_NARGS < 6)
|
2002-12-31 13:55:06 +08:00
|
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|
*result=gethostbyname_r( name, resbuf, *buf, buflen, herrno_ptr );
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|
|
r = (*result == NULL) ? -1 : 0;
|
1999-02-25 21:07:27 +08:00
|
|
|
#else
|
1999-01-14 23:19:29 +08:00
|
|
|
r = gethostbyname_r( name, resbuf, *buf,
|
|
|
|
buflen, result, herrno_ptr );
|
1999-02-25 21:07:27 +08:00
|
|
|
#endif
|
|
|
|
|
1999-04-30 14:39:19 +08:00
|
|
|
Debug( LDAP_DEBUG_TRACE, "ldap_pvt_gethostbyname_a: host=%s, r=%d\n",
|
1999-02-25 21:07:27 +08:00
|
|
|
name, r, 0 );
|
|
|
|
|
1998-12-19 09:27:20 +08:00
|
|
|
#ifdef NETDB_INTERNAL
|
1999-01-14 23:19:29 +08:00
|
|
|
if ((r<0) &&
|
|
|
|
(*herrno_ptr==NETDB_INTERNAL) &&
|
|
|
|
(errno==ERANGE))
|
|
|
|
{
|
|
|
|
buflen*=2;
|
|
|
|
continue;
|
|
|
|
}
|
1998-12-19 09:27:20 +08:00
|
|
|
#endif
|
1999-01-14 23:19:29 +08:00
|
|
|
return r;
|
1998-12-19 09:27:20 +08:00
|
|
|
}
|
1999-01-14 23:19:29 +08:00
|
|
|
return -1;
|
1999-02-21 02:33:24 +08:00
|
|
|
#elif defined( LDAP_R_COMPILE )
|
1999-01-15 22:49:03 +08:00
|
|
|
# define NEED_COPY_HOSTENT
|
|
|
|
struct hostent *he;
|
|
|
|
int retval;
|
2000-08-15 09:55:43 +08:00
|
|
|
*buf = NULL;
|
1999-01-15 22:49:03 +08:00
|
|
|
|
2002-12-03 09:15:03 +08:00
|
|
|
ldap_pvt_thread_mutex_lock( &ldap_int_resolv_mutex );
|
1999-01-15 22:49:03 +08:00
|
|
|
|
|
|
|
he = gethostbyname( name );
|
|
|
|
|
|
|
|
if (he==NULL) {
|
|
|
|
*herrno_ptr = h_errno;
|
|
|
|
retval = -1;
|
|
|
|
} else if (copy_hostent( resbuf, buf, he )<0) {
|
|
|
|
*herrno_ptr = -1;
|
|
|
|
retval = -1;
|
|
|
|
} else {
|
|
|
|
*result = resbuf;
|
|
|
|
retval = 0;
|
|
|
|
}
|
|
|
|
|
2002-12-03 09:15:03 +08:00
|
|
|
ldap_pvt_thread_mutex_unlock( &ldap_int_resolv_mutex );
|
1999-01-15 22:49:03 +08:00
|
|
|
|
|
|
|
return retval;
|
1999-01-14 23:19:29 +08:00
|
|
|
#else
|
2000-08-15 09:55:43 +08:00
|
|
|
*buf = NULL;
|
1998-12-19 09:27:20 +08:00
|
|
|
*result = gethostbyname( name );
|
|
|
|
|
|
|
|
if (*result!=NULL) {
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
*herrno_ptr = h_errno;
|
1999-01-14 23:19:29 +08:00
|
|
|
|
1998-12-19 09:27:20 +08:00
|
|
|
return -1;
|
1999-01-14 23:19:29 +08:00
|
|
|
#endif
|
1998-12-19 09:27:20 +08:00
|
|
|
}
|
2003-03-05 09:35:39 +08:00
|
|
|
|
2004-04-25 09:09:40 +08:00
|
|
|
#if !defined( GETNAMEINFO ) && !defined( HAVE_HERROR )
|
2003-03-05 09:35:39 +08:00
|
|
|
static const char *
|
|
|
|
hp_strerror( int err )
|
|
|
|
{
|
|
|
|
switch (err) {
|
2003-04-06 14:19:13 +08:00
|
|
|
case HOST_NOT_FOUND: return _("Host not found (authoritative)");
|
|
|
|
case TRY_AGAIN: return _("Host not found (server fail?)");
|
|
|
|
case NO_RECOVERY: return _("Non-recoverable failure");
|
|
|
|
case NO_DATA: return _("No data of requested type");
|
2003-03-05 09:35:39 +08:00
|
|
|
#ifdef NETDB_INTERNAL
|
|
|
|
case NETDB_INTERNAL: return STRERROR( errno );
|
|
|
|
#endif
|
|
|
|
}
|
2003-04-06 14:19:13 +08:00
|
|
|
return _("Unknown resolver error");
|
2003-03-05 09:35:39 +08:00
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
|
|
int ldap_pvt_get_hname(
|
|
|
|
const struct sockaddr *sa,
|
|
|
|
int len,
|
|
|
|
char *name,
|
|
|
|
int namelen,
|
|
|
|
char **err )
|
|
|
|
{
|
|
|
|
int rc;
|
|
|
|
#if defined( HAVE_GETNAMEINFO )
|
|
|
|
|
|
|
|
#if defined( LDAP_R_COMPILE )
|
|
|
|
ldap_pvt_thread_mutex_lock( &ldap_int_resolv_mutex );
|
|
|
|
#endif
|
|
|
|
rc = getnameinfo( sa, len, name, namelen, NULL, 0, 0 );
|
|
|
|
#if defined( LDAP_R_COMPILE )
|
|
|
|
ldap_pvt_thread_mutex_unlock( &ldap_int_resolv_mutex );
|
|
|
|
#endif
|
2003-05-26 04:50:26 +08:00
|
|
|
if ( rc ) *err = (char *)AC_GAI_STRERROR( rc );
|
2003-03-05 09:35:39 +08:00
|
|
|
return rc;
|
|
|
|
|
|
|
|
#else /* !HAVE_GETNAMEINFO */
|
|
|
|
char *addr;
|
|
|
|
int alen;
|
|
|
|
struct hostent *hp = NULL;
|
|
|
|
#ifdef HAVE_GETHOSTBYADDR_R
|
|
|
|
struct hostent hb;
|
|
|
|
int buflen=BUFSTART, h_errno;
|
|
|
|
char *buf=NULL;
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#ifdef LDAP_PF_INET6
|
|
|
|
if (sa->sa_family == AF_INET6) {
|
|
|
|
struct sockaddr_in6 *sin = (struct sockaddr_in6 *)sa;
|
|
|
|
addr = (char *)&sin->sin6_addr;
|
|
|
|
alen = sizeof(sin->sin6_addr);
|
|
|
|
} else
|
|
|
|
#endif
|
|
|
|
if (sa->sa_family == AF_INET) {
|
|
|
|
struct sockaddr_in *sin = (struct sockaddr_in *)sa;
|
|
|
|
addr = (char *)&sin->sin_addr;
|
|
|
|
alen = sizeof(sin->sin_addr);
|
|
|
|
} else {
|
|
|
|
rc = NO_RECOVERY;
|
2004-04-25 09:09:40 +08:00
|
|
|
*err = (char *)HSTRERROR( rc );
|
2003-03-05 09:35:39 +08:00
|
|
|
return rc;
|
|
|
|
}
|
|
|
|
#if defined( HAVE_GETHOSTBYADDR_R )
|
|
|
|
for(;buflen<BUFMAX;) {
|
|
|
|
if (safe_realloc( &buf, buflen )==NULL) {
|
2003-03-05 09:53:03 +08:00
|
|
|
*err = (char *)STRERROR( ENOMEM );
|
2003-03-05 09:35:39 +08:00
|
|
|
return ENOMEM;
|
|
|
|
}
|
|
|
|
#if (GETHOSTBYADDR_R_NARGS < 8)
|
|
|
|
hp=gethostbyaddr_r( addr, alen, sa->sa_family,
|
|
|
|
&hb, buf, buflen, &h_errno );
|
|
|
|
rc = (hp == NULL) ? -1 : 0;
|
|
|
|
#else
|
|
|
|
rc = gethostbyaddr_r( addr, alen, sa->sa_family,
|
|
|
|
&hb, buf, buflen,
|
|
|
|
&hp, &h_errno );
|
|
|
|
#endif
|
|
|
|
#ifdef NETDB_INTERNAL
|
|
|
|
if ((rc<0) &&
|
|
|
|
(h_errno==NETDB_INTERNAL) &&
|
|
|
|
(errno==ERANGE))
|
|
|
|
{
|
|
|
|
buflen*=2;
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
if (hp) {
|
|
|
|
strncpy( name, hp->h_name, namelen );
|
|
|
|
} else {
|
2004-04-25 09:09:40 +08:00
|
|
|
*err = (char *)HSTRERROR( h_errno );
|
2003-03-05 09:35:39 +08:00
|
|
|
}
|
|
|
|
LDAP_FREE(buf);
|
|
|
|
#else /* HAVE_GETHOSTBYADDR_R */
|
|
|
|
|
|
|
|
#if defined( LDAP_R_COMPILE )
|
|
|
|
ldap_pvt_thread_mutex_lock( &ldap_int_resolv_mutex );
|
|
|
|
#endif
|
|
|
|
hp = gethostbyaddr( addr, alen, sa->sa_family );
|
|
|
|
if (hp) {
|
|
|
|
strncpy( name, hp->h_name, namelen );
|
|
|
|
rc = 0;
|
|
|
|
} else {
|
|
|
|
rc = h_errno;
|
2003-03-05 09:53:03 +08:00
|
|
|
*err = (char *)hp_strerror( h_errno );
|
2003-03-05 09:35:39 +08:00
|
|
|
}
|
|
|
|
#if defined( LDAP_R_COMPILE )
|
|
|
|
ldap_pvt_thread_mutex_unlock( &ldap_int_resolv_mutex );
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#endif /* !HAVE_GETHOSTBYADDR_R */
|
|
|
|
return rc;
|
|
|
|
#endif /* !HAVE_GETNAMEINFO */
|
|
|
|
}
|
|
|
|
|
1999-01-15 22:49:03 +08:00
|
|
|
int ldap_pvt_gethostbyaddr_a(
|
1998-12-19 09:27:20 +08:00
|
|
|
const char *addr,
|
|
|
|
int len,
|
|
|
|
int type,
|
|
|
|
struct hostent *resbuf,
|
|
|
|
char **buf,
|
|
|
|
struct hostent **result,
|
|
|
|
int *herrno_ptr )
|
|
|
|
{
|
1999-01-28 12:34:55 +08:00
|
|
|
#if defined( HAVE_GETHOSTBYADDR_R )
|
1999-02-25 21:07:27 +08:00
|
|
|
|
1999-01-15 22:49:03 +08:00
|
|
|
# undef NEED_SAFE_REALLOC
|
|
|
|
# define NEED_SAFE_REALLOC
|
1999-01-14 23:19:29 +08:00
|
|
|
int r=-1;
|
1998-12-19 09:27:20 +08:00
|
|
|
int buflen=BUFSTART;
|
1999-01-14 23:19:29 +08:00
|
|
|
*buf = NULL;
|
|
|
|
for(;buflen<BUFMAX;) {
|
|
|
|
if (safe_realloc( buf, buflen )==NULL)
|
1998-12-19 09:27:20 +08:00
|
|
|
return r;
|
1999-02-25 21:07:27 +08:00
|
|
|
#if (GETHOSTBYADDR_R_NARGS < 8)
|
2002-12-31 13:55:06 +08:00
|
|
|
*result=gethostbyaddr_r( addr, len, type,
|
|
|
|
resbuf, *buf, buflen, herrno_ptr );
|
|
|
|
r = (*result == NULL) ? -1 : 0;
|
1999-02-25 21:07:27 +08:00
|
|
|
#else
|
1999-01-14 23:19:29 +08:00
|
|
|
r = gethostbyaddr_r( addr, len, type,
|
|
|
|
resbuf, *buf, buflen,
|
|
|
|
result, herrno_ptr );
|
1999-02-25 21:07:27 +08:00
|
|
|
#endif
|
|
|
|
|
1999-01-14 23:19:29 +08:00
|
|
|
#ifdef NETDB_INTERNAL
|
|
|
|
if ((r<0) &&
|
|
|
|
(*herrno_ptr==NETDB_INTERNAL) &&
|
|
|
|
(errno==ERANGE))
|
|
|
|
{
|
|
|
|
buflen*=2;
|
|
|
|
continue;
|
1998-12-19 09:27:20 +08:00
|
|
|
}
|
1999-01-14 23:19:29 +08:00
|
|
|
#endif
|
|
|
|
return r;
|
1998-12-19 09:27:20 +08:00
|
|
|
}
|
1999-01-14 23:19:29 +08:00
|
|
|
return -1;
|
1999-02-21 02:33:24 +08:00
|
|
|
#elif defined( LDAP_R_COMPILE )
|
1999-01-15 22:49:03 +08:00
|
|
|
# undef NEED_COPY_HOSTENT
|
|
|
|
# define NEED_COPY_HOSTENT
|
|
|
|
struct hostent *he;
|
|
|
|
int retval;
|
2000-08-15 09:55:43 +08:00
|
|
|
*buf = NULL;
|
1999-01-15 22:49:03 +08:00
|
|
|
|
2002-12-03 09:15:03 +08:00
|
|
|
ldap_pvt_thread_mutex_lock( &ldap_int_resolv_mutex );
|
1999-01-15 22:49:03 +08:00
|
|
|
|
|
|
|
he = gethostbyaddr( addr, len, type );
|
|
|
|
|
|
|
|
if (he==NULL) {
|
|
|
|
*herrno_ptr = h_errno;
|
|
|
|
retval = -1;
|
|
|
|
} else if (copy_hostent( resbuf, buf, he )<0) {
|
|
|
|
*herrno_ptr = -1;
|
|
|
|
retval = -1;
|
|
|
|
} else {
|
|
|
|
*result = resbuf;
|
|
|
|
retval = 0;
|
|
|
|
}
|
|
|
|
|
2002-12-03 09:15:03 +08:00
|
|
|
ldap_pvt_thread_mutex_unlock( &ldap_int_resolv_mutex );
|
1999-01-15 22:49:03 +08:00
|
|
|
|
2002-12-04 12:51:55 +08:00
|
|
|
return retval;
|
|
|
|
|
1998-12-19 09:27:20 +08:00
|
|
|
#else /* gethostbyaddr() */
|
2000-08-15 09:55:43 +08:00
|
|
|
*buf = NULL;
|
1998-12-19 09:27:20 +08:00
|
|
|
*result = gethostbyaddr( addr, len, type );
|
|
|
|
|
|
|
|
if (*result!=NULL) {
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
return -1;
|
1999-01-14 23:19:29 +08:00
|
|
|
#endif
|
1998-12-19 09:27:20 +08:00
|
|
|
}
|
1999-01-15 22:49:03 +08:00
|
|
|
/*
|
1999-05-28 06:25:55 +08:00
|
|
|
* ldap_int_utils_init() should be called before any other function.
|
1999-01-15 22:49:03 +08:00
|
|
|
*/
|
|
|
|
|
1999-05-28 06:25:55 +08:00
|
|
|
void ldap_int_utils_init( void )
|
1999-01-15 22:49:03 +08:00
|
|
|
{
|
|
|
|
static int done=0;
|
|
|
|
if (done)
|
|
|
|
return;
|
|
|
|
done=1;
|
1999-01-28 12:34:55 +08:00
|
|
|
|
1999-02-21 02:33:24 +08:00
|
|
|
#ifdef LDAP_R_COMPILE
|
1999-01-28 12:34:55 +08:00
|
|
|
#if !defined( USE_CTIME_R ) && !defined( HAVE_REENTRANT_FUNCTIONS )
|
1999-02-21 02:33:24 +08:00
|
|
|
ldap_pvt_thread_mutex_init( &ldap_int_ctime_mutex );
|
1999-01-28 12:34:55 +08:00
|
|
|
#endif
|
2000-01-03 10:33:22 +08:00
|
|
|
ldap_pvt_thread_mutex_init( &ldap_int_resolv_mutex );
|
2004-05-21 18:53:30 +08:00
|
|
|
|
|
|
|
#ifdef HAVE_CYRUS_SASL
|
|
|
|
ldap_pvt_thread_mutex_init( &ldap_int_sasl_mutex );
|
|
|
|
#endif
|
2000-01-03 10:33:22 +08:00
|
|
|
#endif
|
|
|
|
|
1999-01-15 22:49:03 +08:00
|
|
|
/* call other module init functions here... */
|
|
|
|
}
|
|
|
|
|
|
|
|
#if defined( NEED_COPY_HOSTENT )
|
|
|
|
# undef NEED_SAFE_REALLOC
|
|
|
|
#define NEED_SAFE_REALLOC
|
|
|
|
|
2002-12-31 13:55:06 +08:00
|
|
|
static char *cpy_aliases(
|
|
|
|
char ***tgtio,
|
|
|
|
char *buf,
|
|
|
|
char **src )
|
1999-01-15 22:49:03 +08:00
|
|
|
{
|
|
|
|
int len;
|
|
|
|
char **tgt=*tgtio;
|
|
|
|
for( ; (*src) ; src++ ) {
|
|
|
|
len = strlen( *src ) + 1;
|
2000-07-28 09:07:07 +08:00
|
|
|
AC_MEMCPY( buf, *src, len );
|
1999-01-15 22:49:03 +08:00
|
|
|
*tgt++=buf;
|
|
|
|
buf+=len;
|
|
|
|
}
|
|
|
|
*tgtio=tgt;
|
|
|
|
return buf;
|
|
|
|
}
|
|
|
|
|
2002-12-31 13:55:06 +08:00
|
|
|
static char *cpy_addresses(
|
|
|
|
char ***tgtio,
|
|
|
|
char *buf,
|
|
|
|
char **src,
|
|
|
|
int len )
|
1999-01-15 22:49:03 +08:00
|
|
|
{
|
|
|
|
char **tgt=*tgtio;
|
|
|
|
for( ; (*src) ; src++ ) {
|
2000-07-28 09:07:07 +08:00
|
|
|
AC_MEMCPY( buf, *src, len );
|
1999-01-15 22:49:03 +08:00
|
|
|
*tgt++=buf;
|
|
|
|
buf+=len;
|
|
|
|
}
|
|
|
|
*tgtio=tgt;
|
|
|
|
return buf;
|
|
|
|
}
|
|
|
|
|
2002-12-31 13:55:06 +08:00
|
|
|
static int copy_hostent(
|
|
|
|
struct hostent *res,
|
|
|
|
char **buf,
|
|
|
|
struct hostent * src )
|
1999-01-15 22:49:03 +08:00
|
|
|
{
|
|
|
|
char **p;
|
|
|
|
char **tp;
|
|
|
|
char *tbuf;
|
|
|
|
int name_len;
|
2000-04-25 18:43:15 +08:00
|
|
|
int n_alias=0;
|
|
|
|
int total_alias_len=0;
|
|
|
|
int n_addr=0;
|
1999-01-15 22:49:03 +08:00
|
|
|
int total_addr_len;
|
|
|
|
int total_len;
|
|
|
|
|
|
|
|
/* calculate the size needed for the buffer */
|
|
|
|
name_len = strlen( src->h_name ) + 1;
|
|
|
|
|
2000-04-25 18:43:15 +08:00
|
|
|
if( src->h_aliases != NULL ) {
|
|
|
|
for( p = src->h_aliases; (*p) != NULL; p++ ) {
|
|
|
|
total_alias_len += strlen( *p ) + 1;
|
|
|
|
n_alias++;
|
|
|
|
}
|
1999-01-15 22:49:03 +08:00
|
|
|
}
|
|
|
|
|
2000-04-25 18:43:15 +08:00
|
|
|
if( src->h_addr_list != NULL ) {
|
|
|
|
for( p = src->h_addr_list; (*p) != NULL; p++ ) {
|
|
|
|
n_addr++;
|
|
|
|
}
|
|
|
|
total_addr_len = n_addr * src->h_length;
|
1999-01-15 22:49:03 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
total_len = (n_alias + n_addr + 2) * sizeof( char * ) +
|
|
|
|
total_addr_len + total_alias_len + name_len;
|
|
|
|
|
|
|
|
if (safe_realloc( buf, total_len )) {
|
|
|
|
tp = (char **) *buf;
|
|
|
|
tbuf = *buf + (n_alias + n_addr + 2) * sizeof( char * );
|
2000-07-28 09:07:07 +08:00
|
|
|
AC_MEMCPY( res, src, sizeof( struct hostent ) );
|
1999-01-15 22:49:03 +08:00
|
|
|
/* first the name... */
|
2000-07-28 09:07:07 +08:00
|
|
|
AC_MEMCPY( tbuf, src->h_name, name_len );
|
1999-01-15 22:49:03 +08:00
|
|
|
res->h_name = tbuf; tbuf+=name_len;
|
|
|
|
/* now the aliases */
|
|
|
|
res->h_aliases = tp;
|
2000-04-25 18:43:15 +08:00
|
|
|
if ( src->h_aliases != NULL ) {
|
|
|
|
tbuf = cpy_aliases( &tp, tbuf, src->h_aliases );
|
|
|
|
}
|
1999-01-15 22:49:03 +08:00
|
|
|
*tp++=NULL;
|
|
|
|
/* finally the addresses */
|
|
|
|
res->h_addr_list = tp;
|
2000-04-25 18:43:15 +08:00
|
|
|
if ( src->h_addr_list != NULL ) {
|
|
|
|
tbuf = cpy_addresses( &tp, tbuf, src->h_addr_list, src->h_length );
|
|
|
|
}
|
1999-01-15 22:49:03 +08:00
|
|
|
*tp++=NULL;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if defined( NEED_SAFE_REALLOC )
|
|
|
|
static char *safe_realloc( char **buf, int len )
|
|
|
|
{
|
|
|
|
char *tmpbuf;
|
1999-05-29 09:19:14 +08:00
|
|
|
tmpbuf = LDAP_REALLOC( *buf, len );
|
1999-01-15 22:49:03 +08:00
|
|
|
if (tmpbuf) {
|
|
|
|
*buf=tmpbuf;
|
|
|
|
}
|
|
|
|
return tmpbuf;
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
2000-08-15 09:55:43 +08:00
|
|
|
char * ldap_pvt_get_fqdn( char *name )
|
|
|
|
{
|
|
|
|
char *fqdn, *ha_buf;
|
|
|
|
char hostbuf[MAXHOSTNAMELEN+1];
|
|
|
|
struct hostent *hp, he_buf;
|
|
|
|
int rc, local_h_errno;
|
|
|
|
|
|
|
|
if( name == NULL ) {
|
|
|
|
if( gethostname( hostbuf, MAXHOSTNAMELEN ) == 0 ) {
|
|
|
|
hostbuf[MAXHOSTNAMELEN] = '\0';
|
|
|
|
name = hostbuf;
|
|
|
|
} else {
|
|
|
|
name = "localhost";
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
rc = ldap_pvt_gethostbyname_a( name,
|
|
|
|
&he_buf, &ha_buf, &hp, &local_h_errno );
|
|
|
|
|
|
|
|
if( rc < 0 || hp == NULL || hp->h_name == NULL ) {
|
|
|
|
fqdn = LDAP_STRDUP( name );
|
|
|
|
} else {
|
|
|
|
fqdn = LDAP_STRDUP( hp->h_name );
|
|
|
|
}
|
1999-01-15 22:49:03 +08:00
|
|
|
|
2000-08-15 09:55:43 +08:00
|
|
|
LDAP_FREE( ha_buf );
|
|
|
|
return fqdn;
|
|
|
|
}
|
2000-10-19 01:25:30 +08:00
|
|
|
|
2003-04-22 02:28:08 +08:00
|
|
|
#if ( defined( HAVE_GETADDRINFO ) || defined( HAVE_GETNAMEINFO ) ) \
|
|
|
|
&& !defined( HAVE_GAI_STRERROR )
|
2000-10-19 01:25:30 +08:00
|
|
|
char *ldap_pvt_gai_strerror (int code) {
|
|
|
|
static struct {
|
|
|
|
int code;
|
|
|
|
const char *msg;
|
|
|
|
} values[] = {
|
|
|
|
#ifdef EAI_ADDRFAMILY
|
2003-04-06 14:19:13 +08:00
|
|
|
{ EAI_ADDRFAMILY, N_("Address family for hostname not supported") },
|
2000-10-19 01:25:30 +08:00
|
|
|
#endif
|
2003-04-06 14:19:13 +08:00
|
|
|
{ EAI_AGAIN, N_("Temporary failure in name resolution") },
|
|
|
|
{ EAI_BADFLAGS, N_("Bad value for ai_flags") },
|
|
|
|
{ EAI_FAIL, N_("Non-recoverable failure in name resolution") },
|
|
|
|
{ EAI_FAMILY, N_("ai_family not supported") },
|
|
|
|
{ EAI_MEMORY, N_("Memory allocation failure") },
|
2000-10-19 01:25:30 +08:00
|
|
|
#ifdef EAI_NODATA
|
2003-04-06 14:19:13 +08:00
|
|
|
{ EAI_NODATA, N_("No address associated with hostname") },
|
2000-10-19 01:25:30 +08:00
|
|
|
#endif
|
2003-04-06 14:19:13 +08:00
|
|
|
{ EAI_NONAME, N_("Name or service not known") },
|
|
|
|
{ EAI_SERVICE, N_("Servname not supported for ai_socktype") },
|
|
|
|
{ EAI_SOCKTYPE, N_("ai_socktype not supported") },
|
|
|
|
{ EAI_SYSTEM, N_("System error") },
|
2000-10-19 01:25:30 +08:00
|
|
|
{ 0, NULL }
|
|
|
|
};
|
|
|
|
|
|
|
|
int i;
|
|
|
|
|
|
|
|
for ( i = 0; values[i].msg != NULL; i++ ) {
|
|
|
|
if ( values[i].code == code ) {
|
2003-04-06 14:19:13 +08:00
|
|
|
return (char *) _(values[i].msg);
|
2000-10-19 01:25:30 +08:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2003-04-06 14:19:13 +08:00
|
|
|
return _("Unknown error");
|
2000-10-19 01:25:30 +08:00
|
|
|
}
|
|
|
|
#endif
|