nis/yp_xdr.c

   1 /*
   2  * Copyright (c) 2010, Oracle America, Inc.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions are
   6  * met:
   7  *
   8  *     * Redistributions of source code must retain the above copyright
   9  *       notice, this list of conditions and the following disclaimer.
  10  *     * Redistributions in binary form must reproduce the above
  11  *       copyright notice, this list of conditions and the following
  12  *       disclaimer in the documentation and/or other materials
  13  *       provided with the distribution.
  14  *     * Neither the name of the "Oracle America, Inc." nor the names of its
  15  *       contributors may be used to endorse or promote products derived
  16  *       from this software without specific prior written permission.
  17  *
  18  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  19  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  20  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  21  *   FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
  22  *   COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
  23  *   INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  24  *   DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
  25  *   GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  26  *   INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  27  *   WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  28  *   NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  29  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  30  */
  31
  32 #include <rpcsvc/yp.h>
  33 #include <rpcsvc/ypclnt.h>
  34
  35 bool_t
  36 xdr_ypstat (XDR *xdrs, ypstat *objp)
  37 {
  38   return xdr_enum (xdrs, (enum_t *) objp);
  39 }
  40 libnsl_hidden_def (xdr_ypstat)
  41
  42 bool_t
  43 xdr_ypxfrstat (XDR *xdrs, ypxfrstat *objp)
  44 {
  45   return xdr_enum (xdrs, (enum_t *) objp);
  46 }
  47 libnsl_hidden_def (xdr_ypxfrstat)
  48
  49 bool_t
  50 xdr_domainname (XDR *xdrs, domainname *objp)
  51 {
  52   return xdr_string (xdrs, objp, ~0);
  53 }
  54 libnsl_hidden_def (xdr_domainname)
  55
  56 bool_t
  57 xdr_mapname (XDR *xdrs, mapname *objp)
  58 {
  59   return xdr_string (xdrs, objp, ~0);
  60 }
  61 libnsl_hidden_def (xdr_mapname)
  62
  63 bool_t
  64 xdr_peername (XDR *xdrs, peername *objp)
  65 {
  66   return xdr_string (xdrs, objp, ~0);
  67 }
  68 libnsl_hidden_def (xdr_peername)
  69
  70 bool_t
  71 xdr_keydat (XDR *xdrs, keydat *objp)
  72 {
  73   return xdr_bytes (xdrs, (char **) &objp->keydat_val,
  74                     (u_int *) &objp->keydat_len, ~0);
  75 }
  76 libnsl_hidden_def (xdr_keydat)
  77
  78 bool_t
  79 xdr_valdat (XDR *xdrs, valdat *objp)
  80 {
  81   return xdr_bytes (xdrs, (char **) &objp->valdat_val,
  82                     (u_int *) &objp->valdat_len, ~0);
  83 }
  84 libnsl_hidden_def (xdr_valdat)
  85
  86 bool_t
  87 xdr_ypmap_parms (XDR *xdrs, ypmap_parms *objp)
  88 {
  89   if (!xdr_domainname (xdrs, &objp->domain))
  90     return FALSE;
  91   if (!xdr_mapname (xdrs, &objp->map))
  92     return FALSE;
  93   if (!xdr_u_int (xdrs, &objp->ordernum))
  94     return FALSE;
  95   return xdr_peername (xdrs, &objp->peer);
  96 }
  97 libnsl_hidden_def (xdr_ypmap_parms)
  98
  99 bool_t
 100 xdr_ypreq_key (XDR *xdrs, ypreq_key *objp)
 101 {
 102   if (!xdr_domainname (xdrs, &objp->domain))
 103     return FALSE;
 104   if (!xdr_mapname (xdrs, &objp->map))
 105     return FALSE;
 106   return xdr_keydat (xdrs, &objp->key);
 107 }
 108 libnsl_hidden_def (xdr_ypreq_key)
 109
 110 bool_t
 111 xdr_ypreq_nokey (XDR *xdrs, ypreq_nokey *objp)
 112 {
 113   if (!xdr_domainname (xdrs, &objp->domain))
 114     return FALSE;
 115   return xdr_mapname (xdrs, &objp->map);
 116 }
 117 libnsl_hidden_def (xdr_ypreq_nokey)
 118
 119 bool_t
 120 xdr_ypreq_xfr (XDR *xdrs, ypreq_xfr *objp)
 121 {
 122   if (!xdr_ypmap_parms (xdrs, &objp->map_parms))
 123     return FALSE;
 124   if (!xdr_u_int (xdrs, &objp->transid))
 125     return FALSE;
 126   if (!xdr_u_int (xdrs, &objp->prog))
 127     return FALSE;
 128   return xdr_u_int (xdrs, &objp->port);
 129 }
 130
 131 bool_t
 132 xdr_ypresp_val (XDR *xdrs, ypresp_val *objp)
 133 {
 134   if (!xdr_ypstat (xdrs, &objp->stat))
 135     return FALSE;
 136   return xdr_valdat (xdrs, &objp->val);
 137 }
 138 libnsl_hidden_def (xdr_ypresp_val)
 139
 140 bool_t
 141 xdr_ypresp_key_val (XDR *xdrs, ypresp_key_val *objp)
 142 {
 143   if (!xdr_ypstat (xdrs, &objp->stat))
 144     return FALSE;
 145   if (!xdr_valdat (xdrs, &objp->val))
 146     return FALSE;
 147   return xdr_keydat (xdrs, &objp->key);
 148 }
 149 libnsl_hidden_def (xdr_ypresp_key_val)
 150
 151 bool_t
 152 xdr_ypresp_master (XDR *xdrs, ypresp_master *objp)
 153 {
 154   if (!xdr_ypstat (xdrs, &objp->stat))
 155     return FALSE;
 156   return xdr_peername (xdrs, &objp->peer);
 157 }
 158 libnsl_hidden_def (xdr_ypresp_master)
 159
 160 bool_t
 161 xdr_ypresp_order (XDR *xdrs, ypresp_order *objp)
 162 {
 163   if (!xdr_ypstat (xdrs, &objp->stat))
 164     return FALSE;
 165   return xdr_u_int (xdrs, &objp->ordernum);
 166 }
 167 libnsl_hidden_def (xdr_ypresp_order)
 168
 169 bool_t
 170 xdr_ypresp_all (XDR *xdrs, ypresp_all *objp)
 171 {
 172   if (!xdr_bool (xdrs, &objp->more))
 173     return FALSE;
 174   switch (objp->more)
 175     {
 176     case TRUE:
 177       return xdr_ypresp_key_val (xdrs, &objp->ypresp_all_u.val);
 178     case FALSE:
 179       break;
 180     default:
 181       return FALSE;
 182     }
 183   return TRUE;
 184 }
 185 libnsl_hidden_def (xdr_ypresp_all)
 186
 187 bool_t
 188 xdr_ypresp_xfr (XDR *xdrs, ypresp_xfr *objp)
 189 {
 190   if (!xdr_u_int (xdrs, &objp->transid))
 191     return FALSE;
 192   return xdr_ypxfrstat (xdrs, &objp->xfrstat);
 193 }
 194
 195 bool_t
 196 xdr_ypmaplist (XDR *xdrs, ypmaplist *objp)
 197 {
 198   if (!xdr_mapname (xdrs, &objp->map))
 199     return FALSE;
 200   /* Prevent gcc warning about alias violation.  */
 201   char **tp = (void *) &objp->next;
 202   return xdr_pointer (xdrs, tp, sizeof (ypmaplist), (xdrproc_t) xdr_ypmaplist);
 203 }
 204 libnsl_hidden_def (xdr_ypmaplist)
 205
 206 bool_t
 207 xdr_ypresp_maplist (XDR *xdrs, ypresp_maplist *objp)
 208 {
 209   if (!xdr_ypstat (xdrs, &objp->stat))
 210     return FALSE;
 211   /* Prevent gcc warning about alias violation.  */
 212   char **tp = (void *) &objp->maps;
 213   return xdr_pointer (xdrs, tp, sizeof (ypmaplist), (xdrproc_t) xdr_ypmaplist);
 214 }
 215 libnsl_hidden_def (xdr_ypresp_maplist)
 216
 217 bool_t
 218 xdr_yppush_status (XDR *xdrs, yppush_status *objp)
 219 {
 220   return xdr_enum (xdrs, (enum_t *) objp);
 221 }
 222 libnsl_hidden_def (xdr_yppush_status)
 223
 224 bool_t
 225 xdr_yppushresp_xfr (XDR *xdrs, yppushresp_xfr *objp)
 226 {
 227   if (!xdr_u_int (xdrs, &objp->transid))
 228     return FALSE;
 229   return xdr_yppush_status (xdrs, &objp->status);
 230 }
 231
 232 bool_t
 233 xdr_ypbind_resptype (XDR *xdrs, ypbind_resptype *objp)
 234 {
 235   return xdr_enum (xdrs, (enum_t *) objp);
 236 }
 237 libnsl_hidden_def (xdr_ypbind_resptype)
 238
 239 bool_t
 240 xdr_ypbind_binding (XDR *xdrs, ypbind_binding *objp)
 241 {
 242   if (!xdr_opaque (xdrs, objp->ypbind_binding_addr, 4))
 243     return FALSE;
 244   return xdr_opaque (xdrs, objp->ypbind_binding_port, 2);
 245 }
 246 libnsl_hidden_def (xdr_ypbind_binding)
 247
 248 bool_t
 249 xdr_ypbind_resp (XDR *xdrs, ypbind_resp *objp)
 250 {
 251   if (!xdr_ypbind_resptype (xdrs, &objp->ypbind_status))
 252     return FALSE;
 253   switch (objp->ypbind_status)
 254     {
 255     case YPBIND_FAIL_VAL:
 256       return xdr_u_int (xdrs, &objp->ypbind_resp_u.ypbind_error);
 257     case YPBIND_SUCC_VAL:
 258       return xdr_ypbind_binding (xdrs, &objp->ypbind_resp_u.ypbind_bindinfo);
 259     }
 260   return FALSE;
 261 }
 262 libnsl_hidden_def (xdr_ypbind_resp)
 263
 264 bool_t
 265 xdr_ypbind_setdom (XDR *xdrs, ypbind_setdom *objp)
 266 {
 267   if (!xdr_domainname (xdrs, &objp->ypsetdom_domain))
 268     return FALSE;
 269   if (!xdr_ypbind_binding (xdrs, &objp->ypsetdom_binding))
 270     return FALSE;
 271   return xdr_u_int (xdrs, &objp->ypsetdom_vers);
 272 }
 273
 274 bool_t
 275 xdr_ypall(XDR *xdrs, struct ypall_callback *incallback)
 276 {
 277     struct ypresp_key_val out;
 278     char key[YPMAXRECORD], val[YPMAXRECORD];
 279
 280     /*
 281      * Set up key/val struct to be used during the transaction.
 282      */
 283     memset(&out, 0, sizeof out);
 284     out.key.keydat_val = key;
 285     out.key.keydat_len = sizeof(key);
 286     out.val.valdat_val = val;
 287     out.val.valdat_len = sizeof(val);
 288
 289     for (;;) {
 290         bool_t more, status;
 291
 292         /* Values pending? */
 293         if (!xdr_bool(xdrs, &more))
 294             return FALSE;           /* can't tell! */
 295         if (!more)
 296             return TRUE;            /* no more */
 297
 298         /* Transfer key/value pair. */
 299         status = xdr_ypresp_key_val(xdrs, &out);
 300
 301         /*
 302          * If we succeeded, call the callback function.
 303          * The callback will return TRUE when it wants
 304          * no more values.  If we fail, indicate the
 305          * error.
 306          */
 307         if (status) {
 308             if ((*incallback->foreach)(out.stat,
 309                                        (char *)out.key.keydat_val, out.key.keydat_len,
 310                                        (char *)out.val.valdat_val, out.val.valdat_len,
 311                                        incallback->data))
 312                 return TRUE;
 313         } else
 314             return FALSE;
 315     }
 316 }