Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* |
2 | * linux/fs/lockd/xdr.c | |
3 | * | |
4 | * XDR support for lockd and the lock client. | |
5 | * | |
6 | * Copyright (C) 1995, 1996 Olaf Kirch <okir@monad.swb.de> | |
7 | */ | |
8 | ||
9 | #include <linux/config.h> | |
10 | #include <linux/types.h> | |
11 | #include <linux/sched.h> | |
12 | #include <linux/utsname.h> | |
13 | #include <linux/nfs.h> | |
14 | ||
15 | #include <linux/sunrpc/xdr.h> | |
16 | #include <linux/sunrpc/clnt.h> | |
17 | #include <linux/sunrpc/svc.h> | |
18 | #include <linux/sunrpc/stats.h> | |
19 | #include <linux/lockd/lockd.h> | |
20 | #include <linux/lockd/sm_inter.h> | |
21 | ||
22 | #define NLMDBG_FACILITY NLMDBG_XDR | |
23 | ||
24 | ||
25 | static inline loff_t | |
26 | s32_to_loff_t(__s32 offset) | |
27 | { | |
28 | return (loff_t)offset; | |
29 | } | |
30 | ||
31 | static inline __s32 | |
32 | loff_t_to_s32(loff_t offset) | |
33 | { | |
34 | __s32 res; | |
35 | if (offset >= NLM_OFFSET_MAX) | |
36 | res = NLM_OFFSET_MAX; | |
37 | else if (offset <= -NLM_OFFSET_MAX) | |
38 | res = -NLM_OFFSET_MAX; | |
39 | else | |
40 | res = offset; | |
41 | return res; | |
42 | } | |
43 | ||
44 | /* | |
45 | * XDR functions for basic NLM types | |
46 | */ | |
858119e1 | 47 | static u32 *nlm_decode_cookie(u32 *p, struct nlm_cookie *c) |
1da177e4 LT |
48 | { |
49 | unsigned int len; | |
50 | ||
51 | len = ntohl(*p++); | |
52 | ||
53 | if(len==0) | |
54 | { | |
55 | c->len=4; | |
56 | memset(c->data, 0, 4); /* hockeypux brain damage */ | |
57 | } | |
58 | else if(len<=NLM_MAXCOOKIELEN) | |
59 | { | |
60 | c->len=len; | |
61 | memcpy(c->data, p, len); | |
62 | p+=XDR_QUADLEN(len); | |
63 | } | |
64 | else | |
65 | { | |
66 | printk(KERN_NOTICE | |
67 | "lockd: bad cookie size %d (only cookies under %d bytes are supported.)\n", len, NLM_MAXCOOKIELEN); | |
68 | return NULL; | |
69 | } | |
70 | return p; | |
71 | } | |
72 | ||
73 | static inline u32 * | |
74 | nlm_encode_cookie(u32 *p, struct nlm_cookie *c) | |
75 | { | |
76 | *p++ = htonl(c->len); | |
77 | memcpy(p, c->data, c->len); | |
78 | p+=XDR_QUADLEN(c->len); | |
79 | return p; | |
80 | } | |
81 | ||
858119e1 | 82 | static u32 * |
1da177e4 LT |
83 | nlm_decode_fh(u32 *p, struct nfs_fh *f) |
84 | { | |
85 | unsigned int len; | |
86 | ||
87 | if ((len = ntohl(*p++)) != NFS2_FHSIZE) { | |
88 | printk(KERN_NOTICE | |
89 | "lockd: bad fhandle size %d (should be %d)\n", | |
90 | len, NFS2_FHSIZE); | |
91 | return NULL; | |
92 | } | |
93 | f->size = NFS2_FHSIZE; | |
94 | memset(f->data, 0, sizeof(f->data)); | |
95 | memcpy(f->data, p, NFS2_FHSIZE); | |
96 | return p + XDR_QUADLEN(NFS2_FHSIZE); | |
97 | } | |
98 | ||
99 | static inline u32 * | |
100 | nlm_encode_fh(u32 *p, struct nfs_fh *f) | |
101 | { | |
102 | *p++ = htonl(NFS2_FHSIZE); | |
103 | memcpy(p, f->data, NFS2_FHSIZE); | |
104 | return p + XDR_QUADLEN(NFS2_FHSIZE); | |
105 | } | |
106 | ||
107 | /* | |
108 | * Encode and decode owner handle | |
109 | */ | |
110 | static inline u32 * | |
111 | nlm_decode_oh(u32 *p, struct xdr_netobj *oh) | |
112 | { | |
113 | return xdr_decode_netobj(p, oh); | |
114 | } | |
115 | ||
116 | static inline u32 * | |
117 | nlm_encode_oh(u32 *p, struct xdr_netobj *oh) | |
118 | { | |
119 | return xdr_encode_netobj(p, oh); | |
120 | } | |
121 | ||
858119e1 | 122 | static u32 * |
1da177e4 LT |
123 | nlm_decode_lock(u32 *p, struct nlm_lock *lock) |
124 | { | |
125 | struct file_lock *fl = &lock->fl; | |
126 | s32 start, len, end; | |
127 | ||
128 | if (!(p = xdr_decode_string_inplace(p, &lock->caller, | |
129 | &lock->len, | |
130 | NLM_MAXSTRLEN)) | |
131 | || !(p = nlm_decode_fh(p, &lock->fh)) | |
132 | || !(p = nlm_decode_oh(p, &lock->oh))) | |
133 | return NULL; | |
7bab377f | 134 | lock->svid = ntohl(*p++); |
1da177e4 LT |
135 | |
136 | locks_init_lock(fl); | |
137 | fl->fl_owner = current->files; | |
7bab377f | 138 | fl->fl_pid = (pid_t)lock->svid; |
1da177e4 LT |
139 | fl->fl_flags = FL_POSIX; |
140 | fl->fl_type = F_RDLCK; /* as good as anything else */ | |
141 | start = ntohl(*p++); | |
142 | len = ntohl(*p++); | |
143 | end = start + len - 1; | |
144 | ||
145 | fl->fl_start = s32_to_loff_t(start); | |
146 | ||
147 | if (len == 0 || end < 0) | |
148 | fl->fl_end = OFFSET_MAX; | |
149 | else | |
150 | fl->fl_end = s32_to_loff_t(end); | |
151 | return p; | |
152 | } | |
153 | ||
154 | /* | |
155 | * Encode a lock as part of an NLM call | |
156 | */ | |
157 | static u32 * | |
158 | nlm_encode_lock(u32 *p, struct nlm_lock *lock) | |
159 | { | |
160 | struct file_lock *fl = &lock->fl; | |
161 | __s32 start, len; | |
162 | ||
163 | if (!(p = xdr_encode_string(p, lock->caller)) | |
164 | || !(p = nlm_encode_fh(p, &lock->fh)) | |
165 | || !(p = nlm_encode_oh(p, &lock->oh))) | |
166 | return NULL; | |
167 | ||
168 | if (fl->fl_start > NLM_OFFSET_MAX | |
169 | || (fl->fl_end > NLM_OFFSET_MAX && fl->fl_end != OFFSET_MAX)) | |
170 | return NULL; | |
171 | ||
172 | start = loff_t_to_s32(fl->fl_start); | |
173 | if (fl->fl_end == OFFSET_MAX) | |
174 | len = 0; | |
175 | else | |
176 | len = loff_t_to_s32(fl->fl_end - fl->fl_start + 1); | |
177 | ||
7bab377f | 178 | *p++ = htonl(lock->svid); |
1da177e4 LT |
179 | *p++ = htonl(start); |
180 | *p++ = htonl(len); | |
181 | ||
182 | return p; | |
183 | } | |
184 | ||
185 | /* | |
186 | * Encode result of a TEST/TEST_MSG call | |
187 | */ | |
188 | static u32 * | |
189 | nlm_encode_testres(u32 *p, struct nlm_res *resp) | |
190 | { | |
191 | s32 start, len; | |
192 | ||
193 | if (!(p = nlm_encode_cookie(p, &resp->cookie))) | |
194 | return NULL; | |
195 | *p++ = resp->status; | |
196 | ||
197 | if (resp->status == nlm_lck_denied) { | |
198 | struct file_lock *fl = &resp->lock.fl; | |
199 | ||
200 | *p++ = (fl->fl_type == F_RDLCK)? xdr_zero : xdr_one; | |
7bab377f | 201 | *p++ = htonl(resp->lock.svid); |
1da177e4 LT |
202 | |
203 | /* Encode owner handle. */ | |
204 | if (!(p = xdr_encode_netobj(p, &resp->lock.oh))) | |
205 | return NULL; | |
206 | ||
207 | start = loff_t_to_s32(fl->fl_start); | |
208 | if (fl->fl_end == OFFSET_MAX) | |
209 | len = 0; | |
210 | else | |
211 | len = loff_t_to_s32(fl->fl_end - fl->fl_start + 1); | |
212 | ||
213 | *p++ = htonl(start); | |
214 | *p++ = htonl(len); | |
215 | } | |
216 | ||
217 | return p; | |
218 | } | |
219 | ||
220 | ||
221 | /* | |
222 | * First, the server side XDR functions | |
223 | */ | |
224 | int | |
225 | nlmsvc_decode_testargs(struct svc_rqst *rqstp, u32 *p, nlm_args *argp) | |
226 | { | |
227 | u32 exclusive; | |
228 | ||
229 | if (!(p = nlm_decode_cookie(p, &argp->cookie))) | |
230 | return 0; | |
231 | ||
232 | exclusive = ntohl(*p++); | |
233 | if (!(p = nlm_decode_lock(p, &argp->lock))) | |
234 | return 0; | |
235 | if (exclusive) | |
236 | argp->lock.fl.fl_type = F_WRLCK; | |
237 | ||
238 | return xdr_argsize_check(rqstp, p); | |
239 | } | |
240 | ||
241 | int | |
242 | nlmsvc_encode_testres(struct svc_rqst *rqstp, u32 *p, struct nlm_res *resp) | |
243 | { | |
244 | if (!(p = nlm_encode_testres(p, resp))) | |
245 | return 0; | |
246 | return xdr_ressize_check(rqstp, p); | |
247 | } | |
248 | ||
249 | int | |
250 | nlmsvc_decode_lockargs(struct svc_rqst *rqstp, u32 *p, nlm_args *argp) | |
251 | { | |
252 | u32 exclusive; | |
253 | ||
254 | if (!(p = nlm_decode_cookie(p, &argp->cookie))) | |
255 | return 0; | |
256 | argp->block = ntohl(*p++); | |
257 | exclusive = ntohl(*p++); | |
258 | if (!(p = nlm_decode_lock(p, &argp->lock))) | |
259 | return 0; | |
260 | if (exclusive) | |
261 | argp->lock.fl.fl_type = F_WRLCK; | |
262 | argp->reclaim = ntohl(*p++); | |
263 | argp->state = ntohl(*p++); | |
264 | argp->monitor = 1; /* monitor client by default */ | |
265 | ||
266 | return xdr_argsize_check(rqstp, p); | |
267 | } | |
268 | ||
269 | int | |
270 | nlmsvc_decode_cancargs(struct svc_rqst *rqstp, u32 *p, nlm_args *argp) | |
271 | { | |
272 | u32 exclusive; | |
273 | ||
274 | if (!(p = nlm_decode_cookie(p, &argp->cookie))) | |
275 | return 0; | |
276 | argp->block = ntohl(*p++); | |
277 | exclusive = ntohl(*p++); | |
278 | if (!(p = nlm_decode_lock(p, &argp->lock))) | |
279 | return 0; | |
280 | if (exclusive) | |
281 | argp->lock.fl.fl_type = F_WRLCK; | |
282 | return xdr_argsize_check(rqstp, p); | |
283 | } | |
284 | ||
285 | int | |
286 | nlmsvc_decode_unlockargs(struct svc_rqst *rqstp, u32 *p, nlm_args *argp) | |
287 | { | |
288 | if (!(p = nlm_decode_cookie(p, &argp->cookie)) | |
289 | || !(p = nlm_decode_lock(p, &argp->lock))) | |
290 | return 0; | |
291 | argp->lock.fl.fl_type = F_UNLCK; | |
292 | return xdr_argsize_check(rqstp, p); | |
293 | } | |
294 | ||
295 | int | |
296 | nlmsvc_decode_shareargs(struct svc_rqst *rqstp, u32 *p, nlm_args *argp) | |
297 | { | |
298 | struct nlm_lock *lock = &argp->lock; | |
299 | ||
300 | memset(lock, 0, sizeof(*lock)); | |
301 | locks_init_lock(&lock->fl); | |
7bab377f TM |
302 | lock->svid = ~(u32) 0; |
303 | lock->fl.fl_pid = (pid_t)lock->svid; | |
1da177e4 LT |
304 | |
305 | if (!(p = nlm_decode_cookie(p, &argp->cookie)) | |
306 | || !(p = xdr_decode_string_inplace(p, &lock->caller, | |
307 | &lock->len, NLM_MAXSTRLEN)) | |
308 | || !(p = nlm_decode_fh(p, &lock->fh)) | |
309 | || !(p = nlm_decode_oh(p, &lock->oh))) | |
310 | return 0; | |
311 | argp->fsm_mode = ntohl(*p++); | |
312 | argp->fsm_access = ntohl(*p++); | |
313 | return xdr_argsize_check(rqstp, p); | |
314 | } | |
315 | ||
316 | int | |
317 | nlmsvc_encode_shareres(struct svc_rqst *rqstp, u32 *p, struct nlm_res *resp) | |
318 | { | |
319 | if (!(p = nlm_encode_cookie(p, &resp->cookie))) | |
320 | return 0; | |
321 | *p++ = resp->status; | |
322 | *p++ = xdr_zero; /* sequence argument */ | |
323 | return xdr_ressize_check(rqstp, p); | |
324 | } | |
325 | ||
326 | int | |
327 | nlmsvc_encode_res(struct svc_rqst *rqstp, u32 *p, struct nlm_res *resp) | |
328 | { | |
329 | if (!(p = nlm_encode_cookie(p, &resp->cookie))) | |
330 | return 0; | |
331 | *p++ = resp->status; | |
332 | return xdr_ressize_check(rqstp, p); | |
333 | } | |
334 | ||
335 | int | |
336 | nlmsvc_decode_notify(struct svc_rqst *rqstp, u32 *p, struct nlm_args *argp) | |
337 | { | |
338 | struct nlm_lock *lock = &argp->lock; | |
339 | ||
340 | if (!(p = xdr_decode_string_inplace(p, &lock->caller, | |
341 | &lock->len, NLM_MAXSTRLEN))) | |
342 | return 0; | |
343 | argp->state = ntohl(*p++); | |
344 | return xdr_argsize_check(rqstp, p); | |
345 | } | |
346 | ||
347 | int | |
348 | nlmsvc_decode_reboot(struct svc_rqst *rqstp, u32 *p, struct nlm_reboot *argp) | |
349 | { | |
350 | if (!(p = xdr_decode_string_inplace(p, &argp->mon, &argp->len, SM_MAXSTRLEN))) | |
351 | return 0; | |
352 | argp->state = ntohl(*p++); | |
353 | /* Preserve the address in network byte order */ | |
354 | argp->addr = *p++; | |
355 | argp->vers = *p++; | |
356 | argp->proto = *p++; | |
357 | return xdr_argsize_check(rqstp, p); | |
358 | } | |
359 | ||
360 | int | |
361 | nlmsvc_decode_res(struct svc_rqst *rqstp, u32 *p, struct nlm_res *resp) | |
362 | { | |
363 | if (!(p = nlm_decode_cookie(p, &resp->cookie))) | |
364 | return 0; | |
365 | resp->status = ntohl(*p++); | |
366 | return xdr_argsize_check(rqstp, p); | |
367 | } | |
368 | ||
369 | int | |
370 | nlmsvc_decode_void(struct svc_rqst *rqstp, u32 *p, void *dummy) | |
371 | { | |
372 | return xdr_argsize_check(rqstp, p); | |
373 | } | |
374 | ||
375 | int | |
376 | nlmsvc_encode_void(struct svc_rqst *rqstp, u32 *p, void *dummy) | |
377 | { | |
378 | return xdr_ressize_check(rqstp, p); | |
379 | } | |
380 | ||
381 | /* | |
382 | * Now, the client side XDR functions | |
383 | */ | |
384 | #ifdef NLMCLNT_SUPPORT_SHARES | |
385 | static int | |
386 | nlmclt_decode_void(struct rpc_rqst *req, u32 *p, void *ptr) | |
387 | { | |
388 | return 0; | |
389 | } | |
390 | #endif | |
391 | ||
392 | static int | |
393 | nlmclt_encode_testargs(struct rpc_rqst *req, u32 *p, nlm_args *argp) | |
394 | { | |
395 | struct nlm_lock *lock = &argp->lock; | |
396 | ||
397 | if (!(p = nlm_encode_cookie(p, &argp->cookie))) | |
398 | return -EIO; | |
399 | *p++ = (lock->fl.fl_type == F_WRLCK)? xdr_one : xdr_zero; | |
400 | if (!(p = nlm_encode_lock(p, lock))) | |
401 | return -EIO; | |
402 | req->rq_slen = xdr_adjust_iovec(req->rq_svec, p); | |
403 | return 0; | |
404 | } | |
405 | ||
406 | static int | |
407 | nlmclt_decode_testres(struct rpc_rqst *req, u32 *p, struct nlm_res *resp) | |
408 | { | |
409 | if (!(p = nlm_decode_cookie(p, &resp->cookie))) | |
410 | return -EIO; | |
411 | resp->status = ntohl(*p++); | |
412 | if (resp->status == NLM_LCK_DENIED) { | |
413 | struct file_lock *fl = &resp->lock.fl; | |
414 | u32 excl; | |
415 | s32 start, len, end; | |
416 | ||
417 | memset(&resp->lock, 0, sizeof(resp->lock)); | |
418 | locks_init_lock(fl); | |
419 | excl = ntohl(*p++); | |
7bab377f TM |
420 | resp->lock.svid = ntohl(*p++); |
421 | fl->fl_pid = (pid_t)resp->lock.svid; | |
1da177e4 LT |
422 | if (!(p = nlm_decode_oh(p, &resp->lock.oh))) |
423 | return -EIO; | |
424 | ||
425 | fl->fl_flags = FL_POSIX; | |
426 | fl->fl_type = excl? F_WRLCK : F_RDLCK; | |
427 | start = ntohl(*p++); | |
428 | len = ntohl(*p++); | |
429 | end = start + len - 1; | |
430 | ||
431 | fl->fl_start = s32_to_loff_t(start); | |
432 | if (len == 0 || end < 0) | |
433 | fl->fl_end = OFFSET_MAX; | |
434 | else | |
435 | fl->fl_end = s32_to_loff_t(end); | |
436 | } | |
437 | return 0; | |
438 | } | |
439 | ||
440 | ||
441 | static int | |
442 | nlmclt_encode_lockargs(struct rpc_rqst *req, u32 *p, nlm_args *argp) | |
443 | { | |
444 | struct nlm_lock *lock = &argp->lock; | |
445 | ||
446 | if (!(p = nlm_encode_cookie(p, &argp->cookie))) | |
447 | return -EIO; | |
448 | *p++ = argp->block? xdr_one : xdr_zero; | |
449 | *p++ = (lock->fl.fl_type == F_WRLCK)? xdr_one : xdr_zero; | |
450 | if (!(p = nlm_encode_lock(p, lock))) | |
451 | return -EIO; | |
452 | *p++ = argp->reclaim? xdr_one : xdr_zero; | |
453 | *p++ = htonl(argp->state); | |
454 | req->rq_slen = xdr_adjust_iovec(req->rq_svec, p); | |
455 | return 0; | |
456 | } | |
457 | ||
458 | static int | |
459 | nlmclt_encode_cancargs(struct rpc_rqst *req, u32 *p, nlm_args *argp) | |
460 | { | |
461 | struct nlm_lock *lock = &argp->lock; | |
462 | ||
463 | if (!(p = nlm_encode_cookie(p, &argp->cookie))) | |
464 | return -EIO; | |
465 | *p++ = argp->block? xdr_one : xdr_zero; | |
466 | *p++ = (lock->fl.fl_type == F_WRLCK)? xdr_one : xdr_zero; | |
467 | if (!(p = nlm_encode_lock(p, lock))) | |
468 | return -EIO; | |
469 | req->rq_slen = xdr_adjust_iovec(req->rq_svec, p); | |
470 | return 0; | |
471 | } | |
472 | ||
473 | static int | |
474 | nlmclt_encode_unlockargs(struct rpc_rqst *req, u32 *p, nlm_args *argp) | |
475 | { | |
476 | struct nlm_lock *lock = &argp->lock; | |
477 | ||
478 | if (!(p = nlm_encode_cookie(p, &argp->cookie))) | |
479 | return -EIO; | |
480 | if (!(p = nlm_encode_lock(p, lock))) | |
481 | return -EIO; | |
482 | req->rq_slen = xdr_adjust_iovec(req->rq_svec, p); | |
483 | return 0; | |
484 | } | |
485 | ||
486 | static int | |
487 | nlmclt_encode_res(struct rpc_rqst *req, u32 *p, struct nlm_res *resp) | |
488 | { | |
489 | if (!(p = nlm_encode_cookie(p, &resp->cookie))) | |
490 | return -EIO; | |
491 | *p++ = resp->status; | |
492 | req->rq_slen = xdr_adjust_iovec(req->rq_svec, p); | |
493 | return 0; | |
494 | } | |
495 | ||
496 | static int | |
497 | nlmclt_encode_testres(struct rpc_rqst *req, u32 *p, struct nlm_res *resp) | |
498 | { | |
499 | if (!(p = nlm_encode_testres(p, resp))) | |
500 | return -EIO; | |
501 | req->rq_slen = xdr_adjust_iovec(req->rq_svec, p); | |
502 | return 0; | |
503 | } | |
504 | ||
505 | static int | |
506 | nlmclt_decode_res(struct rpc_rqst *req, u32 *p, struct nlm_res *resp) | |
507 | { | |
508 | if (!(p = nlm_decode_cookie(p, &resp->cookie))) | |
509 | return -EIO; | |
510 | resp->status = ntohl(*p++); | |
511 | return 0; | |
512 | } | |
513 | ||
514 | /* | |
515 | * Buffer requirements for NLM | |
516 | */ | |
517 | #define NLM_void_sz 0 | |
518 | #define NLM_cookie_sz 1+XDR_QUADLEN(NLM_MAXCOOKIELEN) | |
519 | #define NLM_caller_sz 1+XDR_QUADLEN(sizeof(system_utsname.nodename)) | |
520 | #define NLM_netobj_sz 1+XDR_QUADLEN(XDR_MAX_NETOBJ) | |
521 | /* #define NLM_owner_sz 1+XDR_QUADLEN(NLM_MAXOWNER) */ | |
522 | #define NLM_fhandle_sz 1+XDR_QUADLEN(NFS2_FHSIZE) | |
523 | #define NLM_lock_sz 3+NLM_caller_sz+NLM_netobj_sz+NLM_fhandle_sz | |
524 | #define NLM_holder_sz 4+NLM_netobj_sz | |
525 | ||
526 | #define NLM_testargs_sz NLM_cookie_sz+1+NLM_lock_sz | |
527 | #define NLM_lockargs_sz NLM_cookie_sz+4+NLM_lock_sz | |
528 | #define NLM_cancargs_sz NLM_cookie_sz+2+NLM_lock_sz | |
529 | #define NLM_unlockargs_sz NLM_cookie_sz+NLM_lock_sz | |
530 | ||
531 | #define NLM_testres_sz NLM_cookie_sz+1+NLM_holder_sz | |
532 | #define NLM_res_sz NLM_cookie_sz+1 | |
533 | #define NLM_norep_sz 0 | |
534 | ||
535 | #ifndef MAX | |
536 | # define MAX(a, b) (((a) > (b))? (a) : (b)) | |
537 | #endif | |
538 | ||
539 | /* | |
540 | * For NLM, a void procedure really returns nothing | |
541 | */ | |
542 | #define nlmclt_decode_norep NULL | |
543 | ||
544 | #define PROC(proc, argtype, restype) \ | |
545 | [NLMPROC_##proc] = { \ | |
546 | .p_proc = NLMPROC_##proc, \ | |
547 | .p_encode = (kxdrproc_t) nlmclt_encode_##argtype, \ | |
548 | .p_decode = (kxdrproc_t) nlmclt_decode_##restype, \ | |
cc0175c1 CL |
549 | .p_bufsiz = MAX(NLM_##argtype##_sz, NLM_##restype##_sz) << 2, \ |
550 | .p_statidx = NLMPROC_##proc, \ | |
551 | .p_name = #proc, \ | |
1da177e4 LT |
552 | } |
553 | ||
554 | static struct rpc_procinfo nlm_procedures[] = { | |
555 | PROC(TEST, testargs, testres), | |
556 | PROC(LOCK, lockargs, res), | |
557 | PROC(CANCEL, cancargs, res), | |
558 | PROC(UNLOCK, unlockargs, res), | |
559 | PROC(GRANTED, testargs, res), | |
560 | PROC(TEST_MSG, testargs, norep), | |
561 | PROC(LOCK_MSG, lockargs, norep), | |
562 | PROC(CANCEL_MSG, cancargs, norep), | |
563 | PROC(UNLOCK_MSG, unlockargs, norep), | |
564 | PROC(GRANTED_MSG, testargs, norep), | |
565 | PROC(TEST_RES, testres, norep), | |
566 | PROC(LOCK_RES, res, norep), | |
567 | PROC(CANCEL_RES, res, norep), | |
568 | PROC(UNLOCK_RES, res, norep), | |
569 | PROC(GRANTED_RES, res, norep), | |
570 | #ifdef NLMCLNT_SUPPORT_SHARES | |
571 | PROC(SHARE, shareargs, shareres), | |
572 | PROC(UNSHARE, shareargs, shareres), | |
573 | PROC(NM_LOCK, lockargs, res), | |
574 | PROC(FREE_ALL, notify, void), | |
575 | #endif | |
576 | }; | |
577 | ||
578 | static struct rpc_version nlm_version1 = { | |
579 | .number = 1, | |
580 | .nrprocs = 16, | |
581 | .procs = nlm_procedures, | |
582 | }; | |
583 | ||
584 | static struct rpc_version nlm_version3 = { | |
585 | .number = 3, | |
586 | .nrprocs = 24, | |
587 | .procs = nlm_procedures, | |
588 | }; | |
589 | ||
590 | #ifdef CONFIG_LOCKD_V4 | |
591 | extern struct rpc_version nlm_version4; | |
592 | #endif | |
593 | ||
594 | static struct rpc_version * nlm_versions[] = { | |
595 | [1] = &nlm_version1, | |
596 | [3] = &nlm_version3, | |
597 | #ifdef CONFIG_LOCKD_V4 | |
598 | [4] = &nlm_version4, | |
599 | #endif | |
600 | }; | |
601 | ||
602 | static struct rpc_stat nlm_stats; | |
603 | ||
604 | struct rpc_program nlm_program = { | |
605 | .name = "lockd", | |
606 | .number = NLM_PROGRAM, | |
e8c96f8c | 607 | .nrvers = ARRAY_SIZE(nlm_versions), |
1da177e4 LT |
608 | .version = nlm_versions, |
609 | .stats = &nlm_stats, | |
610 | }; | |
611 | ||
612 | #ifdef RPC_DEBUG | |
613 | const char *nlmdbg_cookie2a(const struct nlm_cookie *cookie) | |
614 | { | |
615 | /* | |
616 | * We can get away with a static buffer because we're only | |
617 | * called with BKL held. | |
618 | */ | |
619 | static char buf[2*NLM_MAXCOOKIELEN+1]; | |
620 | int i; | |
621 | int len = sizeof(buf); | |
622 | char *p = buf; | |
623 | ||
624 | len--; /* allow for trailing \0 */ | |
625 | if (len < 3) | |
626 | return "???"; | |
627 | for (i = 0 ; i < cookie->len ; i++) { | |
628 | if (len < 2) { | |
629 | strcpy(p-3, "..."); | |
630 | break; | |
631 | } | |
632 | sprintf(p, "%02x", cookie->data[i]); | |
633 | p += 2; | |
634 | len -= 2; | |
635 | } | |
636 | *p = '\0'; | |
637 | ||
638 | return buf; | |
639 | } | |
640 | #endif |