nsswitch/wins_freebsd.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3
   4    Copyright (C) Timur I. Bakeyev 2007
   5
   6    This library is free software; you can redistribute it and/or
   7    modify it under the terms of the GNU Library General Public
   8    License as published by the Free Software Foundation; either
   9    version 2 of the License, or (at your option) any later version.
  10
  11    This library is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14    Library General Public License for more details.
  15
  16    You should have received a copy of the GNU Library General Public
  17    License along with this library; if not, write to the
  18    Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  19    Boston, MA  02111-1307, USA.
  20 */
  21
  22 #include "winbind_client.h"
  23
  24 extern enum nss_status _nss_wins_gethostbyname2_r(const char *name, int af, struct hostent *he,
  25                           char *buffer, size_t buflen, int *h_errnop);
  26
  27 ns_mtab *nss_module_register(const char *source, unsigned int *, nss_module_unregister_fn *);
  28
  29 static NSS_METHOD_PROTOTYPE(__nss_wins_freebsd_gethostbyname2_r);
  30
  31 static ns_mtab methods[] =
  32 {
  33        { NSDB_HOSTS, "getaddrinfo",      NULL, NULL },
  34        { NSDB_HOSTS, "ghbyname",         NULL, NULL },
  35        { NSDB_HOSTS, "ghbyaddr",         NULL, NULL },
  36        { NSDB_HOSTS, "gethostbyaddr_r",  NULL, NULL },
  37        { NSDB_HOSTS, "gethostbyname2_r", __nss_wins_freebsd_gethostbyname2_r, _nss_wins_gethostbyname2_r },
  38        { NSDB_HOSTS, "getnetbyname_r",   NULL, NULL },
  39        { NSDB_HOSTS, "getnetbyaddr_r",   NULL, NULL },
  40        { NSDB_HOSTS, "gethostbyname",    NULL, NULL },
  41        { NSDB_HOSTS, "gethostbyaddr",    NULL, NULL },
  42        { NSDB_HOSTS, "getnetbyname",     NULL, NULL },
  43        { NSDB_HOSTS, "getnetbyaddr",     NULL, NULL }
  44 };
  45
  46 static int
  47 __nss_wins_freebsd_gethostbyname2_r(void *retval, void *mdata, va_list ap)
  48 {
  49        int (*fn)(const char *, int, struct hostent *, char *, size_t, int *);
  50        const char      *hostname;
  51        int             af;
  52        struct hostent  *he;
  53        char            *buffer;
  54        size_t          buflen;
  55        int             *h_errnop;
  56        enum nss_status status;
  57
  58        fn = mdata;
  59        hostname = va_arg(ap, const char *);
  60        af = va_arg(ap, int);
  61        he = va_arg(ap, struct hostent *);
  62        buffer = va_arg(ap, char *);
  63        buflen = va_arg(ap, size_t);
  64        h_errnop = va_arg(ap, int *);
  65
  66        status = fn(hostname, af, he, buffer, buflen, h_errnop);
  67        status = __nss_compat_result(status, *h_errnop);
  68        if (status == NS_SUCCESS)
  69                *(struct hostent **)retval = he;
  70
  71        return (status);
  72 }
  73
  74 _PUBLIC_ ns_mtab *
  75 nss_module_register(const char *source __unused, unsigned int *mtabsize,
  76     nss_module_unregister_fn *unreg)
  77 {
  78        *mtabsize = sizeof(methods) / sizeof(methods[0]);
  79        *unreg = NULL;
  80        return (methods);
  81 }