2 * Copyright (c) 2010, Oracle America, Inc.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
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.
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.
32 #include <rpcsvc/yp.h>
33 #include <rpcsvc/ypclnt.h>
35 /* The NIS v2 protocol suggests 1024 bytes as a maximum length of all fields.
36 Current Linux systems don't use this limit. To remain compatible with
37 recent Linux systems we choose limits large enough to load large key and
38 data values, but small enough to not pose a DoS threat. */
40 #define XDRMAXNAME 1024
41 #define XDRMAXRECORD (16 * 1024 * 1024)
44 xdr_ypstat (XDR
*xdrs
, ypstat
*objp
)
46 return xdr_enum (xdrs
, (enum_t
*) objp
);
48 libnsl_hidden_nolink_def (xdr_ypstat
, GLIBC_2_0
)
51 xdr_ypxfrstat (XDR
*xdrs
, ypxfrstat
*objp
)
53 return xdr_enum (xdrs
, (enum_t
*) objp
);
55 libnsl_hidden_nolink_def (xdr_ypxfrstat
, GLIBC_2_0
)
58 xdr_domainname (XDR
*xdrs
, domainname
*objp
)
60 return xdr_string (xdrs
, objp
, XDRMAXNAME
);
62 libnsl_hidden_nolink_def (xdr_domainname
, GLIBC_2_0
)
65 xdr_mapname (XDR
*xdrs
, mapname
*objp
)
67 return xdr_string (xdrs
, objp
, XDRMAXNAME
);
69 libnsl_hidden_nolink_def (xdr_mapname
, GLIBC_2_0
)
72 xdr_peername (XDR
*xdrs
, peername
*objp
)
74 return xdr_string (xdrs
, objp
, XDRMAXNAME
);
76 libnsl_hidden_nolink_def (xdr_peername
, GLIBC_2_0
)
79 xdr_keydat (XDR
*xdrs
, keydat
*objp
)
81 return xdr_bytes (xdrs
, (char **) &objp
->keydat_val
,
82 (u_int
*) &objp
->keydat_len
, XDRMAXRECORD
);
84 libnsl_hidden_nolink_def (xdr_keydat
, GLIBC_2_0
)
87 xdr_valdat (XDR
*xdrs
, valdat
*objp
)
89 return xdr_bytes (xdrs
, (char **) &objp
->valdat_val
,
90 (u_int
*) &objp
->valdat_len
, XDRMAXRECORD
);
92 libnsl_hidden_nolink_def (xdr_valdat
, GLIBC_2_0
)
95 xdr_ypmap_parms (XDR
*xdrs
, ypmap_parms
*objp
)
97 if (!xdr_domainname (xdrs
, &objp
->domain
))
99 if (!xdr_mapname (xdrs
, &objp
->map
))
101 if (!xdr_u_int (xdrs
, &objp
->ordernum
))
103 return xdr_peername (xdrs
, &objp
->peer
);
105 libnsl_hidden_nolink_def (xdr_ypmap_parms
, GLIBC_2_0
)
108 xdr_ypreq_key (XDR
*xdrs
, ypreq_key
*objp
)
110 if (!xdr_domainname (xdrs
, &objp
->domain
))
112 if (!xdr_mapname (xdrs
, &objp
->map
))
114 return xdr_keydat (xdrs
, &objp
->key
);
116 libnsl_hidden_nolink_def (xdr_ypreq_key
, GLIBC_2_0
)
119 xdr_ypreq_nokey (XDR
*xdrs
, ypreq_nokey
*objp
)
121 if (!xdr_domainname (xdrs
, &objp
->domain
))
123 return xdr_mapname (xdrs
, &objp
->map
);
125 libnsl_hidden_nolink_def (xdr_ypreq_nokey
, GLIBC_2_0
)
128 xdr_ypreq_xfr (XDR
*xdrs
, ypreq_xfr
*objp
)
130 if (!xdr_ypmap_parms (xdrs
, &objp
->map_parms
))
132 if (!xdr_u_int (xdrs
, &objp
->transid
))
134 if (!xdr_u_int (xdrs
, &objp
->prog
))
136 return xdr_u_int (xdrs
, &objp
->port
);
138 libnsl_hidden_nolink_def (xdr_ypreq_xfr
, GLIBC_2_0
)
141 xdr_ypresp_val (XDR
*xdrs
, ypresp_val
*objp
)
143 if (!xdr_ypstat (xdrs
, &objp
->stat
))
145 return xdr_valdat (xdrs
, &objp
->val
);
147 libnsl_hidden_nolink_def (xdr_ypresp_val
, GLIBC_2_0
)
150 xdr_ypresp_key_val (XDR
*xdrs
, ypresp_key_val
*objp
)
152 if (!xdr_ypstat (xdrs
, &objp
->stat
))
154 if (!xdr_valdat (xdrs
, &objp
->val
))
156 return xdr_keydat (xdrs
, &objp
->key
);
158 libnsl_hidden_nolink_def (xdr_ypresp_key_val
, GLIBC_2_0
)
161 xdr_ypresp_master (XDR
*xdrs
, ypresp_master
*objp
)
163 if (!xdr_ypstat (xdrs
, &objp
->stat
))
165 return xdr_peername (xdrs
, &objp
->peer
);
167 libnsl_hidden_nolink_def (xdr_ypresp_master
, GLIBC_2_0
)
170 xdr_ypresp_order (XDR
*xdrs
, ypresp_order
*objp
)
172 if (!xdr_ypstat (xdrs
, &objp
->stat
))
174 return xdr_u_int (xdrs
, &objp
->ordernum
);
176 libnsl_hidden_nolink_def (xdr_ypresp_order
, GLIBC_2_0
)
179 xdr_ypresp_all (XDR
*xdrs
, ypresp_all
*objp
)
181 if (!xdr_bool (xdrs
, &objp
->more
))
186 return xdr_ypresp_key_val (xdrs
, &objp
->ypresp_all_u
.val
);
194 libnsl_hidden_nolink_def (xdr_ypresp_all
, GLIBC_2_0
)
197 xdr_ypresp_xfr (XDR
*xdrs
, ypresp_xfr
*objp
)
199 if (!xdr_u_int (xdrs
, &objp
->transid
))
201 return xdr_ypxfrstat (xdrs
, &objp
->xfrstat
);
203 libnsl_hidden_nolink_def (xdr_ypresp_xfr
, GLIBC_2_0
)
206 xdr_ypmaplist (XDR
*xdrs
, ypmaplist
*objp
)
208 if (!xdr_mapname (xdrs
, &objp
->map
))
210 /* Prevent gcc warning about alias violation. */
211 char **tp
= (void *) &objp
->next
;
212 return xdr_pointer (xdrs
, tp
, sizeof (ypmaplist
), (xdrproc_t
) xdr_ypmaplist
);
214 libnsl_hidden_nolink_def (xdr_ypmaplist
, GLIBC_2_0
)
217 xdr_ypresp_maplist (XDR
*xdrs
, ypresp_maplist
*objp
)
219 if (!xdr_ypstat (xdrs
, &objp
->stat
))
221 /* Prevent gcc warning about alias violation. */
222 char **tp
= (void *) &objp
->maps
;
223 return xdr_pointer (xdrs
, tp
, sizeof (ypmaplist
), (xdrproc_t
) xdr_ypmaplist
);
225 libnsl_hidden_nolink_def (xdr_ypresp_maplist
, GLIBC_2_0
)
228 xdr_yppush_status (XDR
*xdrs
, yppush_status
*objp
)
230 return xdr_enum (xdrs
, (enum_t
*) objp
);
232 libnsl_hidden_nolink_def (xdr_yppush_status
, GLIBC_2_0
)
235 xdr_yppushresp_xfr (XDR
*xdrs
, yppushresp_xfr
*objp
)
237 if (!xdr_u_int (xdrs
, &objp
->transid
))
239 return xdr_yppush_status (xdrs
, &objp
->status
);
241 libnsl_hidden_nolink_def (xdr_yppushresp_xfr
, GLIBC_2_0
)
244 xdr_ypbind_resptype (XDR
*xdrs
, ypbind_resptype
*objp
)
246 return xdr_enum (xdrs
, (enum_t
*) objp
);
248 libnsl_hidden_nolink_def (xdr_ypbind_resptype
, GLIBC_2_0
)
251 xdr_ypbind_binding (XDR
*xdrs
, ypbind_binding
*objp
)
253 if (!xdr_opaque (xdrs
, objp
->ypbind_binding_addr
, 4))
255 return xdr_opaque (xdrs
, objp
->ypbind_binding_port
, 2);
257 libnsl_hidden_nolink_def (xdr_ypbind_binding
, GLIBC_2_0
)
260 xdr_ypbind_resp (XDR
*xdrs
, ypbind_resp
*objp
)
262 if (!xdr_ypbind_resptype (xdrs
, &objp
->ypbind_status
))
264 switch (objp
->ypbind_status
)
266 case YPBIND_FAIL_VAL
:
267 return xdr_u_int (xdrs
, &objp
->ypbind_resp_u
.ypbind_error
);
268 case YPBIND_SUCC_VAL
:
269 return xdr_ypbind_binding (xdrs
, &objp
->ypbind_resp_u
.ypbind_bindinfo
);
273 libnsl_hidden_nolink_def (xdr_ypbind_resp
, GLIBC_2_0
)
276 xdr_ypbind_setdom (XDR
*xdrs
, ypbind_setdom
*objp
)
278 if (!xdr_domainname (xdrs
, &objp
->ypsetdom_domain
))
280 if (!xdr_ypbind_binding (xdrs
, &objp
->ypsetdom_binding
))
282 return xdr_u_int (xdrs
, &objp
->ypsetdom_vers
);
284 libnsl_hidden_nolink_def (xdr_ypbind_setdom
, GLIBC_2_0
)
287 xdr_ypall(XDR
*xdrs
, struct ypall_callback
*incallback
)
289 struct ypresp_key_val out
;
290 char key
[YPMAXRECORD
], val
[YPMAXRECORD
];
293 * Set up key/val struct to be used during the transaction.
295 memset(&out
, 0, sizeof out
);
296 out
.key
.keydat_val
= key
;
297 out
.key
.keydat_len
= sizeof(key
);
298 out
.val
.valdat_val
= val
;
299 out
.val
.valdat_len
= sizeof(val
);
304 /* Values pending? */
305 if (!xdr_bool(xdrs
, &more
))
306 return FALSE
; /* can't tell! */
308 return TRUE
; /* no more */
310 /* Transfer key/value pair. */
311 status
= xdr_ypresp_key_val(xdrs
, &out
);
314 * If we succeeded, call the callback function.
315 * The callback will return TRUE when it wants
316 * no more values. If we fail, indicate the
320 if ((*incallback
->foreach
)(out
.stat
,
321 (char *)out
.key
.keydat_val
, out
.key
.keydat_len
,
322 (char *)out
.val
.valdat_val
, out
.val
.valdat_len
,
329 /* XXX libnsl_hidden_nolink_def(xdr_ypall, GLIBC_2_2) */