nis/nis_xdr.c

   1 /* Copyright (c) 1997-2021 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <https://www.gnu.org/licenses/>.  */
  18
  19 #include <stdint.h>
  20 #include <rpcsvc/nis.h>
  21 #include <rpcsvc/nis_callback.h> /* for "official" Solaris xdr functions */
  22 #include <shlib-compat.h>
  23
  24 /* This functions do exist without beginning "_" under Solaris 2.x, but
  25    we have no prototypes for them. To avoid the same problems as with the
  26    YP xdr functions, we don't make them public. */
  27 #include "nis_xdr.h"
  28
  29 static bool_t
  30 xdr_nis_attr (XDR *xdrs, nis_attr *objp)
  31 {
  32   bool_t res = xdr_string (xdrs, &objp->zattr_ndx, ~0);
  33   if (__builtin_expect (res, TRUE))
  34     res = xdr_bytes (xdrs, (char **) &objp->zattr_val.zattr_val_val,
  35                      &objp->zattr_val.zattr_val_len, ~0);
  36   return res;
  37 }
  38
  39 static __always_inline bool_t
  40 xdr_nis_name (XDR *xdrs, nis_name *objp)
  41 {
  42   return xdr_string (xdrs, objp, ~0);
  43 }
  44
  45 bool_t
  46 _xdr_nis_name (XDR *xdrs, nis_name *objp)
  47 {
  48   return xdr_nis_name (xdrs, objp);
  49 }
  50
  51 static __always_inline bool_t
  52 xdr_zotypes (XDR *xdrs, zotypes *objp)
  53 {
  54   return xdr_enum (xdrs, (enum_t *) objp);
  55 }
  56
  57 static __always_inline bool_t
  58 xdr_nstype (XDR *xdrs, nstype *objp)
  59 {
  60   return xdr_enum (xdrs, (enum_t *) objp);
  61 }
  62
  63 static bool_t
  64 xdr_oar_mask (XDR *xdrs, oar_mask *objp)
  65 {
  66   bool_t res = xdr_u_int (xdrs, &objp->oa_rights);
  67   if (__builtin_expect (res, TRUE))
  68     res = xdr_zotypes (xdrs, &objp->oa_otype);
  69   return res;
  70 }
  71
  72 static bool_t
  73 xdr_endpoint (XDR *xdrs, endpoint *objp)
  74 {
  75   bool_t res =  xdr_string (xdrs, &objp->uaddr, ~0);
  76   if (__builtin_expect (res, TRUE))
  77     {
  78       res = xdr_string (xdrs, &objp->family, ~0);
  79       if (__glibc_likely (res))
  80         res = xdr_string (xdrs, &objp->proto, ~0);
  81     }
  82   return res;
  83 }
  84
  85 bool_t
  86 _xdr_nis_server (XDR *xdrs, nis_server *objp)
  87 {
  88   bool_t res = xdr_nis_name (xdrs, &objp->name);
  89   if (__builtin_expect (res, TRUE))
  90     {
  91       res = xdr_array (xdrs, (void *) &objp->ep.ep_val, &objp->ep.ep_len,
  92                        ~0, sizeof (endpoint), (xdrproc_t) xdr_endpoint);
  93       if (__builtin_expect (res, TRUE))
  94         {
  95           res = xdr_u_int (xdrs, &objp->key_type);
  96           if (__builtin_expect (res, TRUE))
  97             res = xdr_netobj (xdrs, &objp->pkey);
  98         }
  99     }
 100   return res;
 101 }
 102
 103 bool_t
 104 _xdr_directory_obj (XDR *xdrs, directory_obj *objp)
 105 {
 106   bool_t res = xdr_nis_name (xdrs, &objp->do_name);
 107   if (__builtin_expect (res, TRUE))
 108     {
 109       res = xdr_nstype (xdrs, &objp->do_type);
 110       if (__builtin_expect (res, TRUE))
 111         {
 112           res = xdr_array (xdrs, (void *) &objp->do_servers.do_servers_val,
 113                            &objp->do_servers.do_servers_len, ~0,
 114                            sizeof (nis_server), (xdrproc_t) _xdr_nis_server);
 115           if (__builtin_expect (res, TRUE))
 116             {
 117               res = xdr_uint32_t (xdrs, &objp->do_ttl);
 118               if (__builtin_expect (res, TRUE))
 119                 res = xdr_array (xdrs,
 120                                  (void *) &objp->do_armask.do_armask_val,
 121                                  &objp->do_armask.do_armask_len, ~0,
 122                                  sizeof (oar_mask), (xdrproc_t) xdr_oar_mask);
 123             }
 124         }
 125     }
 126   return res;
 127 }
 128
 129 static bool_t
 130 xdr_entry_col (XDR *xdrs, entry_col *objp)
 131 {
 132   bool_t res = xdr_u_int (xdrs, &objp->ec_flags);
 133   if (__builtin_expect (res, TRUE))
 134     res = xdr_bytes (xdrs, (char **) &objp->ec_value.ec_value_val,
 135                      &objp->ec_value.ec_value_len, ~0);
 136   return res;
 137 }
 138
 139 static bool_t
 140 xdr_entry_obj (XDR *xdrs, entry_obj *objp)
 141 {
 142   bool_t res = xdr_string (xdrs, &objp->en_type, ~0);
 143   if (__builtin_expect (res, TRUE))
 144     res = xdr_array (xdrs, (void *) &objp->en_cols.en_cols_val,
 145                      &objp->en_cols.en_cols_len, ~0,
 146                      sizeof (entry_col), (xdrproc_t) xdr_entry_col);
 147   return res;
 148 }
 149
 150 static bool_t
 151 xdr_group_obj (XDR *xdrs, group_obj *objp)
 152 {
 153   bool_t res = xdr_u_int (xdrs, &objp->gr_flags);
 154   if (__builtin_expect (res, TRUE))
 155     res = xdr_array (xdrs, (void *) &objp->gr_members.gr_members_val,
 156                      &objp->gr_members.gr_members_len, ~0,
 157                      sizeof (nis_name), (xdrproc_t) _xdr_nis_name);
 158   return res;
 159 }
 160
 161 static bool_t
 162 xdr_link_obj (XDR *xdrs, link_obj *objp)
 163 {
 164   bool_t res = xdr_zotypes (xdrs, &objp->li_rtype);
 165   if (__builtin_expect (res, TRUE))
 166     {
 167       res = xdr_array (xdrs, (void *) &objp->li_attrs.li_attrs_val,
 168                        &objp->li_attrs.li_attrs_len, ~0,
 169                        sizeof (nis_attr), (xdrproc_t) xdr_nis_attr);
 170       if (__builtin_expect (res, TRUE))
 171         res = xdr_nis_name (xdrs, &objp->li_name);
 172     }
 173   return res;
 174 }
 175
 176 static bool_t
 177 xdr_table_col (XDR *xdrs, table_col *objp)
 178 {
 179   bool_t res = xdr_string (xdrs, &objp->tc_name, 64);
 180   if (__builtin_expect (res, TRUE))
 181     {
 182       res = xdr_u_int (xdrs, &objp->tc_flags);
 183       if (__builtin_expect (res, TRUE))
 184         res = xdr_u_int (xdrs, &objp->tc_rights);
 185     }
 186   return res;
 187 }
 188
 189 static bool_t
 190 xdr_table_obj (XDR *xdrs, table_obj *objp)
 191 {
 192   bool_t res = xdr_string (xdrs, &objp->ta_type, 64);
 193   if (__builtin_expect (res, TRUE))
 194     {
 195       res = xdr_int (xdrs, &objp->ta_maxcol);
 196       if (__builtin_expect (res, TRUE))
 197         {
 198           res = xdr_u_char (xdrs, &objp->ta_sep);
 199           if (__builtin_expect (res, TRUE))
 200             {
 201               res = xdr_array (xdrs, (void *) &objp->ta_cols.ta_cols_val,
 202                                &objp->ta_cols.ta_cols_len, ~0,
 203                                sizeof (table_col), (xdrproc_t) xdr_table_col);
 204               if (__builtin_expect (res, TRUE))
 205                 res = xdr_string (xdrs, &objp->ta_path, ~0);
 206             }
 207         }
 208     }
 209   return res;
 210 }
 211
 212 static bool_t
 213 xdr_objdata (XDR *xdrs, objdata *objp)
 214 {
 215   bool_t res = xdr_zotypes (xdrs, &objp->zo_type);
 216   if (!__builtin_expect (res, TRUE))
 217     return res;
 218   switch (objp->zo_type)
 219     {
 220     case NIS_DIRECTORY_OBJ:
 221       return _xdr_directory_obj (xdrs, &objp->objdata_u.di_data);
 222     case NIS_GROUP_OBJ:
 223       return xdr_group_obj (xdrs, &objp->objdata_u.gr_data);
 224     case NIS_TABLE_OBJ:
 225       return xdr_table_obj (xdrs, &objp->objdata_u.ta_data);
 226     case NIS_ENTRY_OBJ:
 227       return xdr_entry_obj (xdrs, &objp->objdata_u.en_data);
 228     case NIS_LINK_OBJ:
 229       return xdr_link_obj (xdrs, &objp->objdata_u.li_data);
 230     case NIS_PRIVATE_OBJ:
 231       return xdr_bytes (xdrs, &objp->objdata_u.po_data.po_data_val,
 232                         &objp->objdata_u.po_data.po_data_len, ~0);
 233     case NIS_NO_OBJ:
 234     case NIS_BOGUS_OBJ:
 235     default:
 236       return TRUE;
 237     }
 238 }
 239
 240 static bool_t
 241 xdr_nis_oid (XDR *xdrs, nis_oid *objp)
 242 {
 243   bool_t res = xdr_uint32_t (xdrs, &objp->ctime);
 244   if  (__builtin_expect (res, TRUE))
 245     res = xdr_uint32_t (xdrs, &objp->mtime);
 246   return res;
 247 }
 248
 249 bool_t
 250 _xdr_nis_object (XDR *xdrs, nis_object *objp)
 251 {
 252   bool_t res = xdr_nis_oid (xdrs, &objp->zo_oid);
 253   if (__builtin_expect (res, TRUE))
 254     {
 255       res = xdr_nis_name (xdrs, &objp->zo_name);
 256       if (__builtin_expect (res, TRUE))
 257         {
 258           res = xdr_nis_name (xdrs, &objp->zo_owner);
 259           if (__builtin_expect (res, TRUE))
 260             {
 261               res = xdr_nis_name (xdrs, &objp->zo_group);
 262               if (__builtin_expect (res, TRUE))
 263                 {
 264                   res = xdr_nis_name (xdrs, &objp->zo_domain);
 265                   if (__builtin_expect (res, TRUE))
 266                     {
 267                       res = xdr_u_int (xdrs, &objp->zo_access);
 268                       if (__builtin_expect (res, TRUE))
 269                         {
 270                           res = xdr_uint32_t (xdrs, &objp->zo_ttl);
 271                           if (__builtin_expect (res, TRUE))
 272                             res = xdr_objdata (xdrs, &objp->zo_data);
 273                         }
 274                     }
 275                 }
 276             }
 277         }
 278     }
 279   return res;
 280 }
 281
 282 static __always_inline bool_t
 283 xdr_nis_error (XDR *xdrs, nis_error *objp)
 284 {
 285   return xdr_enum (xdrs, (enum_t *) objp);
 286 }
 287
 288 bool_t
 289 _xdr_nis_error (XDR *xdrs, nis_error *objp)
 290 {
 291   return xdr_nis_error (xdrs, objp);
 292 }
 293
 294 bool_t
 295 _xdr_nis_result (XDR *xdrs, nis_result *objp)
 296 {
 297   bool_t res = xdr_nis_error (xdrs, &objp->status);
 298   if (__builtin_expect (res, TRUE))
 299     {
 300       res = xdr_array (xdrs, (void *) &objp->objects.objects_val,
 301                        &objp->objects.objects_len, ~0,
 302                        sizeof (nis_object), (xdrproc_t) _xdr_nis_object);
 303       if (__builtin_expect (res, TRUE))
 304         {
 305           res = xdr_netobj (xdrs, &objp->cookie);
 306           if (__builtin_expect (res, TRUE))
 307             {
 308               res = xdr_uint32_t (xdrs, &objp->zticks);
 309               if (__builtin_expect (res, TRUE))
 310                 {
 311                   res = xdr_uint32_t (xdrs, &objp->dticks);
 312                   if (__builtin_expect (res, TRUE))
 313                     {
 314                       res = xdr_uint32_t (xdrs, &objp->aticks);
 315                       if (__builtin_expect (res, TRUE))
 316                         res = xdr_uint32_t (xdrs, &objp->cticks);
 317                     }
 318                 }
 319             }
 320         }
 321     }
 322   return res;
 323 }
 324 libnsl_hidden_nolink_def (_xdr_nis_result, GLIBC_PRIVATE)
 325
 326 bool_t
 327 _xdr_ns_request (XDR *xdrs, ns_request *objp)
 328 {
 329   bool_t res = xdr_nis_name (xdrs, &objp->ns_name);
 330   if (__builtin_expect (res, TRUE))
 331     res = xdr_array (xdrs, (void *) &objp->ns_object.ns_object_val,
 332                      &objp->ns_object.ns_object_len, 1,
 333                      sizeof (nis_object), (xdrproc_t) _xdr_nis_object);
 334   return res;
 335 }
 336
 337 bool_t
 338 _xdr_ib_request (XDR *xdrs, ib_request *objp)
 339 {
 340   bool_t res = xdr_nis_name (xdrs, &objp->ibr_name);
 341   if (__builtin_expect (res, TRUE))
 342     {
 343       res = xdr_array (xdrs, (void *) &objp->ibr_srch.ibr_srch_val,
 344                        &objp->ibr_srch.ibr_srch_len, ~0,
 345                        sizeof (nis_attr), (xdrproc_t) xdr_nis_attr);
 346       if (__builtin_expect (res, TRUE))
 347         {
 348           res = xdr_u_int (xdrs, &objp->ibr_flags);
 349           if (__builtin_expect (res, TRUE))
 350             {
 351               res = xdr_array (xdrs, (void *) &objp->ibr_obj.ibr_obj_val,
 352                                &objp->ibr_obj.ibr_obj_len, 1,
 353                                sizeof (nis_object),
 354                                (xdrproc_t) _xdr_nis_object);
 355               if (__builtin_expect (res, TRUE))
 356                 {
 357                   res = xdr_array (xdrs,
 358                                    (void *) &objp->ibr_cbhost.ibr_cbhost_val,
 359                                    &objp->ibr_cbhost.ibr_cbhost_len, 1,
 360                                    sizeof (nis_server),
 361                                    (xdrproc_t) _xdr_nis_server);
 362                   if (__builtin_expect (res, TRUE))
 363                     {
 364                       res = xdr_u_int (xdrs, &objp->ibr_bufsize);
 365                       if (__builtin_expect (res, TRUE))
 366                         res =  xdr_netobj (xdrs, &objp->ibr_cookie);
 367                     }
 368                 }
 369             }
 370         }
 371     }
 372   return res;
 373 }
 374 libnsl_hidden_nolink_def (_xdr_ib_request, GLIBC_PRIVATE)
 375
 376 bool_t
 377 _xdr_ping_args (XDR *xdrs, ping_args *objp)
 378 {
 379   bool_t res = xdr_nis_name (xdrs, &objp->dir);
 380   if (__builtin_expect (res, TRUE))
 381     res = xdr_uint32_t (xdrs, &objp->stamp);
 382   return res;
 383 }
 384
 385 bool_t
 386 _xdr_cp_result (XDR *xdrs, cp_result *objp)
 387 {
 388   bool_t res = xdr_nis_error (xdrs, &objp->cp_status);
 389   if (__builtin_expect (res, TRUE))
 390     {
 391       res = xdr_uint32_t (xdrs, &objp->cp_zticks);
 392       if (__builtin_expect (res, TRUE))
 393         res = xdr_uint32_t (xdrs, &objp->cp_dticks);
 394     }
 395   return res;
 396 }
 397
 398 bool_t
 399 _xdr_nis_tag (XDR *xdrs, nis_tag *objp)
 400 {
 401   bool_t res = xdr_u_int (xdrs, &objp->tag_type);
 402   if (__builtin_expect (res, TRUE))
 403     res = xdr_string (xdrs, &objp->tag_val, ~0);
 404   return res;
 405 }
 406
 407 bool_t
 408 _xdr_nis_taglist (XDR *xdrs, nis_taglist *objp)
 409 {
 410   return xdr_array (xdrs, (void *) &objp->tags.tags_val,
 411                     &objp->tags.tags_len, ~0, sizeof (nis_tag),
 412                     (xdrproc_t) _xdr_nis_tag);
 413 }
 414
 415 bool_t
 416 _xdr_fd_args (XDR *xdrs, fd_args *objp)
 417 {
 418   bool_t res = xdr_nis_name (xdrs, &objp->dir_name);
 419   if (__builtin_expect (res, TRUE))
 420     res = xdr_nis_name (xdrs, &objp->requester);
 421   return res;
 422 }
 423
 424 bool_t
 425 _xdr_fd_result (XDR *xdrs, fd_result *objp)
 426 {
 427   bool_t res = xdr_nis_error (xdrs, &objp->status);
 428   if (__builtin_expect (res, TRUE))
 429     {
 430       res = xdr_nis_name (xdrs, &objp->source);
 431       if (__builtin_expect (res, TRUE))
 432         {
 433           res = xdr_bytes (xdrs, (char **) &objp->dir_data.dir_data_val,
 434                            &objp->dir_data.dir_data_len, ~0);
 435           if (__builtin_expect (res, TRUE))
 436             res = xdr_bytes (xdrs, (char **) &objp->signature.signature_val,
 437                              &objp->signature.signature_len, ~0);
 438         }
 439     }
 440   return res;
 441 }
 442
 443 /* The following functions have prototypes in nis_callback.h.  So
 444    we make them public */
 445 bool_t
 446 xdr_obj_p (XDR *xdrs, obj_p *objp)
 447 {
 448   return xdr_pointer (xdrs, (char **)objp, sizeof (nis_object),
 449                       (xdrproc_t)_xdr_nis_object);
 450 }
 451 libnsl_hidden_nolink_def (xdr_obj_p, GLIBC_2_1)
 452
 453 bool_t
 454 xdr_cback_data (XDR *xdrs, cback_data *objp)
 455 {
 456   return xdr_array (xdrs, (void *) &objp->entries.entries_val,
 457                     &objp->entries.entries_len, ~0,
 458                     sizeof (obj_p), (xdrproc_t) xdr_obj_p);
 459 }
 460 libnsl_hidden_nolink_def (xdr_cback_data, GLIBC_2_1)