samba-mirror/nsswitch/wins_freebsd.c

/*
   Unix SMB/CIFS implementation.

   Copyright (C) Timur I. Bakeyev 2007

   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public
   License as published by the Free Software Foundation; either
   version 2 of the License, or (at your option) any later version.

   This library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public
   License along with this library; if not, write to the
   Free Software Foundation, Inc., 59 Temple Place - Suite 330,
   Boston, MA  02111-1307, USA.
*/

#include "winbind_client.h"

extern enum nss_status _nss_wins_gethostbyname2_r(const char *name, int af, struct hostent *he,
                          char *buffer, size_t buflen, int *h_errnop);

ns_mtab *nss_module_register(const char *source, unsigned int *, nss_module_unregister_fn *);

static NSS_METHOD_PROTOTYPE(__nss_wins_freebsd_gethostbyname2_r);

static ns_mtab methods[] =
{
       { NSDB_HOSTS, "getaddrinfo",      NULL, NULL },
       { NSDB_HOSTS, "ghbyname",         NULL, NULL },
       { NSDB_HOSTS, "ghbyaddr",         NULL, NULL },
       { NSDB_HOSTS, "gethostbyaddr_r",  NULL, NULL },
       { NSDB_HOSTS, "gethostbyname2_r", __nss_wins_freebsd_gethostbyname2_r, _nss_wins_gethostbyname2_r },
       { NSDB_HOSTS, "getnetbyname_r",   NULL, NULL },
       { NSDB_HOSTS, "getnetbyaddr_r",   NULL, NULL },
       { NSDB_HOSTS, "gethostbyname",    NULL, NULL },
       { NSDB_HOSTS, "gethostbyaddr",    NULL, NULL },
       { NSDB_HOSTS, "getnetbyname",     NULL, NULL },
       { NSDB_HOSTS, "getnetbyaddr",     NULL, NULL }
};

static int
__nss_wins_freebsd_gethostbyname2_r(void *retval, void *mdata, va_list ap)
{
       int (*fn)(const char *, int, struct hostent *, char *, size_t, int *);
       const char      *hostname;
       int             af;
       struct hostent  *he;
       char            *buffer;
       size_t          buflen;
       int             *h_errnop;
       enum nss_status status;

       fn = mdata;
       hostname = va_arg(ap, const char *);
       af = va_arg(ap, int);
       he = va_arg(ap, struct hostent *);
       buffer = va_arg(ap, char *);
       buflen = va_arg(ap, size_t);
       h_errnop = va_arg(ap, int *);

       status = fn(hostname, af, he, buffer, buflen, h_errnop);
       status = __nss_compat_result(status, *h_errnop);
       if (status == NS_SUCCESS)
               *(struct hostent **)retval = he;

       return (status);
}

_PUBLIC_ ns_mtab *
nss_module_register(const char *source __unused, unsigned int *mtabsize,
    nss_module_unregister_fn *unreg)
{
       *mtabsize = sizeof(methods) / sizeof(methods[0]);
       *unreg = NULL;
       return (methods);
}