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bf14f13d SS |
1 | /* |
2 | * stat related system call shims and definitions | |
3 | * | |
4 | * Copyright (c) 2013 Stacey D. Son | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program 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 | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, see <http://www.gnu.org/licenses/>. | |
18 | */ | |
19 | ||
20 | #ifndef BSD_USER_FREEBSD_OS_STAT_H | |
21 | #define BSD_USER_FREEBSD_OS_STAT_H | |
22 | ||
b4432977 MM |
23 | int freebsd11_stat(const char *path, struct freebsd11_stat *stat); |
24 | __sym_compat(stat, freebsd11_stat, FBSD_1.0); | |
25 | int freebsd11_lstat(const char *path, struct freebsd11_stat *stat); | |
26 | __sym_compat(lstat, freebsd11_lstat, FBSD_1.0); | |
33d73068 MM |
27 | int freebsd11_fstat(int fd, struct freebsd11_stat *stat); |
28 | __sym_compat(fstat, freebsd11_fstat, FBSD_1.0); | |
29 | int freebsd11_fstatat(int fd, const char *path, struct freebsd11_stat *stat, | |
30 | int flag); | |
31 | __sym_compat(fstatat, freebsd11_fstatat, FBSD_1.1); | |
32 | ||
33 | int freebsd11_fhstat(const fhandle_t *fhandle, struct freebsd11_stat *stat); | |
34 | __sym_compat(fhstat, freebsd11_fhstat, FBSD_1.0); | |
196da9d3 MM |
35 | int freebsd11_getfsstat(struct freebsd11_statfs *buf, long bufsize, int mode); |
36 | __sym_compat(getfsstat, freebsd11_getfsstat, FBSD_1.0); | |
33d73068 MM |
37 | int freebsd11_fhstatfs(const fhandle_t *fhandle, struct freebsd11_statfs * buf); |
38 | __sym_compat(fhstatfs, freebsd11_fhstatfs, FBSD_1.0); | |
39 | int freebsd11_statfs(const char *path, struct freebsd11_statfs *buf); | |
196da9d3 MM |
40 | __sym_compat(statfs, freebsd11_statfs, FBSD_1.0); |
41 | int freebsd11_fstatfs(int fd, struct freebsd11_statfs *buf); | |
42 | __sym_compat(fstatfs, freebsd11_fstatfs, FBSD_1.0); | |
43 | ||
91a98c9b MM |
44 | ssize_t freebsd11_getdirentries(int fd, char *buf, size_t nbytes, off_t *basep); |
45 | __sym_compat(getdirentries, freebsd11_getdirentries, FBSD_1.0); | |
46 | ssize_t freebsd11_getdents(int fd, char *buf, size_t nbytes); | |
47 | __sym_compat(getdents, freebsd11_getdents, FBSD_1.0); | |
48 | ||
292f00c0 MM |
49 | /* undocumented nstat system calls */ |
50 | int freebsd11_nstat(const char *path, struct freebsd11_stat *sb); | |
51 | __sym_compat(nstat, freebsd11_nstat, FBSD_1.0); | |
52 | int freebsd11_nlstat(const char *path, struct freebsd11_stat *sb); | |
53 | __sym_compat(nlstat, freebsd11_nlstat, FBSD_1.0); | |
54 | int freebsd11_nfstat(int fd, struct freebsd11_stat *sb); | |
55 | __sym_compat(nfstat, freebsd11_nfstat, FBSD_1.0); | |
b4432977 | 56 | |
bf14f13d SS |
57 | /* stat(2) */ |
58 | static inline abi_long do_freebsd11_stat(abi_long arg1, abi_long arg2) | |
59 | { | |
60 | abi_long ret; | |
61 | void *p; | |
62 | struct freebsd11_stat st; | |
63 | ||
64 | LOCK_PATH(p, arg1); | |
65 | ret = get_errno(freebsd11_stat(path(p), &st)); | |
66 | UNLOCK_PATH(p, arg1); | |
67 | if (!is_error(ret)) { | |
68 | ret = h2t_freebsd11_stat(arg2, &st); | |
69 | } | |
70 | return ret; | |
71 | } | |
72 | ||
73 | /* lstat(2) */ | |
74 | static inline abi_long do_freebsd11_lstat(abi_long arg1, abi_long arg2) | |
75 | { | |
76 | abi_long ret; | |
77 | void *p; | |
78 | struct freebsd11_stat st; | |
79 | ||
80 | LOCK_PATH(p, arg1); | |
81 | ret = get_errno(freebsd11_lstat(path(p), &st)); | |
82 | UNLOCK_PATH(p, arg1); | |
83 | if (!is_error(ret)) { | |
84 | ret = h2t_freebsd11_stat(arg2, &st); | |
85 | } | |
86 | return ret; | |
87 | } | |
88 | ||
33d73068 MM |
89 | /* fstat(2) */ |
90 | static inline abi_long do_freebsd11_fstat(abi_long arg1, abi_long arg2) | |
91 | { | |
92 | abi_long ret; | |
93 | struct freebsd11_stat st; | |
94 | ||
95 | ret = get_errno(freebsd11_fstat(arg1, &st)); | |
96 | if (!is_error(ret)) { | |
97 | ret = h2t_freebsd11_stat(arg2, &st); | |
98 | } | |
99 | return ret; | |
100 | } | |
101 | ||
bf14f13d SS |
102 | /* fstat(2) */ |
103 | static inline abi_long do_freebsd_fstat(abi_long arg1, abi_long arg2) | |
104 | { | |
105 | abi_long ret; | |
106 | struct stat st; | |
107 | ||
108 | ret = get_errno(fstat(arg1, &st)); | |
109 | if (!is_error(ret)) { | |
110 | ret = h2t_freebsd_stat(arg2, &st); | |
111 | } | |
112 | return ret; | |
113 | } | |
114 | ||
33d73068 MM |
115 | /* fstatat(2) */ |
116 | static inline abi_long do_freebsd11_fstatat(abi_long arg1, abi_long arg2, | |
117 | abi_long arg3, abi_long arg4) | |
118 | { | |
119 | abi_long ret; | |
120 | void *p; | |
121 | struct freebsd11_stat st; | |
122 | ||
123 | LOCK_PATH(p, arg2); | |
124 | ret = get_errno(freebsd11_fstatat(arg1, p, &st, arg4)); | |
125 | UNLOCK_PATH(p, arg2); | |
126 | if (!is_error(ret) && arg3) { | |
127 | ret = h2t_freebsd11_stat(arg3, &st); | |
128 | } | |
129 | return ret; | |
130 | } | |
131 | ||
bf14f13d SS |
132 | /* fstatat(2) */ |
133 | static inline abi_long do_freebsd_fstatat(abi_long arg1, abi_long arg2, | |
134 | abi_long arg3, abi_long arg4) | |
135 | { | |
136 | abi_long ret; | |
137 | void *p; | |
138 | struct stat st; | |
139 | ||
140 | LOCK_PATH(p, arg2); | |
141 | ret = get_errno(fstatat(arg1, p, &st, arg4)); | |
142 | UNLOCK_PATH(p, arg2); | |
143 | if (!is_error(ret) && arg3) { | |
144 | ret = h2t_freebsd_stat(arg3, &st); | |
145 | } | |
146 | return ret; | |
147 | } | |
148 | ||
149 | /* undocummented nstat(char *path, struct nstat *ub) syscall */ | |
150 | static abi_long do_freebsd11_nstat(abi_long arg1, abi_long arg2) | |
151 | { | |
152 | abi_long ret; | |
153 | void *p; | |
154 | struct freebsd11_stat st; | |
155 | ||
156 | LOCK_PATH(p, arg1); | |
157 | ret = get_errno(freebsd11_nstat(path(p), &st)); | |
158 | UNLOCK_PATH(p, arg1); | |
159 | if (!is_error(ret)) { | |
160 | ret = h2t_freebsd11_nstat(arg2, &st); | |
161 | } | |
162 | return ret; | |
163 | } | |
164 | ||
165 | /* undocummented nfstat(int fd, struct nstat *sb) syscall */ | |
166 | static abi_long do_freebsd11_nfstat(abi_long arg1, abi_long arg2) | |
167 | { | |
168 | abi_long ret; | |
169 | struct freebsd11_stat st; | |
170 | ||
171 | ret = get_errno(freebsd11_nfstat(arg1, &st)); | |
172 | if (!is_error(ret)) { | |
173 | ret = h2t_freebsd11_nstat(arg2, &st); | |
174 | } | |
175 | return ret; | |
176 | } | |
177 | ||
178 | /* undocummented nlstat(char *path, struct nstat *ub) syscall */ | |
179 | static abi_long do_freebsd11_nlstat(abi_long arg1, abi_long arg2) | |
180 | { | |
181 | abi_long ret; | |
182 | void *p; | |
183 | struct freebsd11_stat st; | |
184 | ||
185 | LOCK_PATH(p, arg1); | |
186 | ret = get_errno(freebsd11_nlstat(path(p), &st)); | |
187 | UNLOCK_PATH(p, arg1); | |
188 | if (!is_error(ret)) { | |
189 | ret = h2t_freebsd11_nstat(arg2, &st); | |
190 | } | |
191 | return ret; | |
192 | } | |
193 | ||
db8ee08f SS |
194 | /* getfh(2) */ |
195 | static abi_long do_freebsd_getfh(abi_long arg1, abi_long arg2) | |
196 | { | |
197 | abi_long ret; | |
198 | void *p; | |
199 | fhandle_t host_fh; | |
200 | ||
201 | LOCK_PATH(p, arg1); | |
202 | ret = get_errno(getfh(path(p), &host_fh)); | |
203 | UNLOCK_PATH(p, arg1); | |
204 | if (is_error(ret)) { | |
205 | return ret; | |
206 | } | |
207 | return h2t_freebsd_fhandle(arg2, &host_fh); | |
208 | } | |
209 | ||
210 | /* lgetfh(2) */ | |
211 | static inline abi_long do_freebsd_lgetfh(abi_long arg1, abi_long arg2) | |
212 | { | |
213 | abi_long ret; | |
214 | void *p; | |
215 | fhandle_t host_fh; | |
216 | ||
217 | LOCK_PATH(p, arg1); | |
218 | ret = get_errno(lgetfh(path(p), &host_fh)); | |
219 | UNLOCK_PATH(p, arg1); | |
220 | if (is_error(ret)) { | |
221 | return ret; | |
222 | } | |
223 | return h2t_freebsd_fhandle(arg2, &host_fh); | |
224 | } | |
225 | ||
226 | /* fhopen(2) */ | |
227 | static inline abi_long do_freebsd_fhopen(abi_long arg1, abi_long arg2) | |
228 | { | |
229 | abi_long ret; | |
230 | fhandle_t host_fh; | |
231 | ||
232 | ret = t2h_freebsd_fhandle(&host_fh, arg1); | |
233 | if (is_error(ret)) { | |
234 | return ret; | |
235 | } | |
236 | ||
237 | return get_errno(fhopen(&host_fh, arg2)); | |
238 | } | |
239 | ||
33d73068 MM |
240 | /* fhstat(2) */ |
241 | static inline abi_long do_freebsd11_fhstat(abi_long arg1, abi_long arg2) | |
242 | { | |
243 | abi_long ret; | |
244 | fhandle_t host_fh; | |
245 | struct freebsd11_stat host_sb; | |
246 | ||
247 | ret = t2h_freebsd_fhandle(&host_fh, arg1); | |
248 | if (is_error(ret)) { | |
249 | return ret; | |
250 | } | |
251 | ret = get_errno(freebsd11_fhstat(&host_fh, &host_sb)); | |
252 | if (is_error(ret)) { | |
253 | return ret; | |
254 | } | |
255 | return h2t_freebsd11_stat(arg2, &host_sb); | |
256 | } | |
257 | ||
db8ee08f SS |
258 | /* fhstat(2) */ |
259 | static inline abi_long do_freebsd_fhstat(abi_long arg1, abi_long arg2) | |
260 | { | |
261 | abi_long ret; | |
262 | fhandle_t host_fh; | |
263 | struct stat host_sb; | |
264 | ||
265 | ret = t2h_freebsd_fhandle(&host_fh, arg1); | |
266 | if (is_error(ret)) { | |
267 | return ret; | |
268 | } | |
269 | ret = get_errno(fhstat(&host_fh, &host_sb)); | |
270 | if (is_error(ret)) { | |
271 | return ret; | |
272 | } | |
273 | return h2t_freebsd_stat(arg2, &host_sb); | |
274 | } | |
275 | ||
33d73068 MM |
276 | /* fhstatfs(2) */ |
277 | static inline abi_long do_freebsd11_fhstatfs(abi_ulong target_fhp_addr, | |
278 | abi_ulong target_stfs_addr) | |
279 | { | |
280 | abi_long ret; | |
281 | fhandle_t host_fh; | |
282 | struct freebsd11_statfs host_stfs; | |
283 | ||
284 | ret = t2h_freebsd_fhandle(&host_fh, target_fhp_addr); | |
285 | if (is_error(ret)) { | |
286 | return ret; | |
287 | } | |
288 | ret = get_errno(freebsd11_fhstatfs(&host_fh, &host_stfs)); | |
289 | if (is_error(ret)) { | |
290 | return ret; | |
291 | } | |
292 | return h2t_freebsd11_statfs(target_stfs_addr, &host_stfs); | |
293 | } | |
294 | ||
db8ee08f SS |
295 | /* fhstatfs(2) */ |
296 | static inline abi_long do_freebsd_fhstatfs(abi_ulong target_fhp_addr, | |
297 | abi_ulong target_stfs_addr) | |
298 | { | |
299 | abi_long ret; | |
300 | fhandle_t host_fh; | |
301 | struct statfs host_stfs; | |
302 | ||
303 | ret = t2h_freebsd_fhandle(&host_fh, target_fhp_addr); | |
304 | if (is_error(ret)) { | |
305 | return ret; | |
306 | } | |
307 | ret = get_errno(fhstatfs(&host_fh, &host_stfs)); | |
308 | if (is_error(ret)) { | |
309 | return ret; | |
310 | } | |
311 | return h2t_freebsd_statfs(target_stfs_addr, &host_stfs); | |
312 | } | |
313 | ||
196da9d3 MM |
314 | /* statfs(2) */ |
315 | static inline abi_long do_freebsd11_statfs(abi_long arg1, abi_long arg2) | |
316 | { | |
317 | abi_long ret; | |
318 | void *p; | |
319 | struct freebsd11_statfs host_stfs; | |
320 | ||
321 | LOCK_PATH(p, arg1); | |
322 | ret = get_errno(freebsd11_statfs(path(p), &host_stfs)); | |
323 | UNLOCK_PATH(p, arg1); | |
324 | if (is_error(ret)) { | |
325 | return ret; | |
326 | } | |
327 | ||
328 | return h2t_freebsd11_statfs(arg2, &host_stfs); | |
329 | } | |
330 | ||
191fe50d SS |
331 | /* statfs(2) */ |
332 | static inline abi_long do_freebsd_statfs(abi_long arg1, abi_long arg2) | |
333 | { | |
334 | abi_long ret; | |
335 | void *p; | |
336 | struct statfs host_stfs; | |
337 | ||
338 | LOCK_PATH(p, arg1); | |
339 | ret = get_errno(statfs(path(p), &host_stfs)); | |
340 | UNLOCK_PATH(p, arg1); | |
341 | if (is_error(ret)) { | |
342 | return ret; | |
343 | } | |
344 | ||
345 | return h2t_freebsd_statfs(arg2, &host_stfs); | |
346 | } | |
347 | ||
196da9d3 MM |
348 | /* fstatfs(2) */ |
349 | static inline abi_long do_freebsd11_fstatfs(abi_long fd, abi_ulong target_addr) | |
350 | { | |
351 | abi_long ret; | |
352 | struct freebsd11_statfs host_stfs; | |
353 | ||
354 | ret = get_errno(freebsd11_fstatfs(fd, &host_stfs)); | |
355 | if (is_error(ret)) { | |
356 | return ret; | |
357 | } | |
358 | ||
359 | return h2t_freebsd11_statfs(target_addr, &host_stfs); | |
360 | } | |
361 | ||
191fe50d SS |
362 | /* fstatfs(2) */ |
363 | static inline abi_long do_freebsd_fstatfs(abi_long fd, abi_ulong target_addr) | |
364 | { | |
365 | abi_long ret; | |
366 | struct statfs host_stfs; | |
367 | ||
368 | ret = get_errno(fstatfs(fd, &host_stfs)); | |
369 | if (is_error(ret)) { | |
370 | return ret; | |
371 | } | |
372 | ||
373 | return h2t_freebsd_statfs(target_addr, &host_stfs); | |
374 | } | |
375 | ||
196da9d3 MM |
376 | /* getfsstat(2) */ |
377 | static inline abi_long do_freebsd11_getfsstat(abi_ulong target_addr, | |
378 | abi_long bufsize, abi_long flags) | |
379 | { | |
380 | abi_long ret; | |
381 | struct freebsd11_statfs *host_stfs; | |
382 | int count; | |
383 | long host_bufsize; | |
384 | ||
385 | count = bufsize / sizeof(struct target_freebsd11_statfs); | |
386 | ||
387 | /* if user buffer is NULL then return number of mounted FS's */ | |
388 | if (target_addr == 0 || count == 0) { | |
389 | return get_errno(freebsd11_getfsstat(NULL, 0, flags)); | |
390 | } | |
391 | ||
392 | /* XXX check count to be reasonable */ | |
393 | host_bufsize = sizeof(struct freebsd11_statfs) * count; | |
394 | host_stfs = alloca(host_bufsize); | |
395 | if (!host_stfs) { | |
396 | return -TARGET_EINVAL; | |
397 | } | |
398 | ||
399 | ret = count = get_errno(freebsd11_getfsstat(host_stfs, host_bufsize, flags)); | |
400 | if (is_error(ret)) { | |
401 | return ret; | |
402 | } | |
403 | ||
404 | while (count--) { | |
405 | if (h2t_freebsd11_statfs((target_addr + | |
406 | (count * sizeof(struct target_freebsd11_statfs))), | |
407 | &host_stfs[count])) { | |
408 | return -TARGET_EFAULT; | |
409 | } | |
410 | } | |
411 | return ret; | |
412 | } | |
413 | ||
191fe50d SS |
414 | /* getfsstat(2) */ |
415 | static inline abi_long do_freebsd_getfsstat(abi_ulong target_addr, | |
416 | abi_long bufsize, abi_long flags) | |
417 | { | |
418 | abi_long ret; | |
419 | struct statfs *host_stfs; | |
420 | int count; | |
421 | long host_bufsize; | |
422 | ||
423 | count = bufsize / sizeof(struct target_statfs); | |
424 | ||
425 | /* if user buffer is NULL then return number of mounted FS's */ | |
426 | if (target_addr == 0 || count == 0) { | |
427 | return get_errno(freebsd11_getfsstat(NULL, 0, flags)); | |
428 | } | |
429 | ||
430 | /* XXX check count to be reasonable */ | |
431 | host_bufsize = sizeof(struct statfs) * count; | |
432 | host_stfs = alloca(host_bufsize); | |
433 | if (!host_stfs) { | |
434 | return -TARGET_EINVAL; | |
435 | } | |
436 | ||
437 | ret = count = get_errno(getfsstat(host_stfs, host_bufsize, flags)); | |
438 | if (is_error(ret)) { | |
439 | return ret; | |
440 | } | |
441 | ||
442 | while (count--) { | |
443 | if (h2t_freebsd_statfs((target_addr + | |
444 | (count * sizeof(struct target_statfs))), | |
445 | &host_stfs[count])) { | |
446 | return -TARGET_EFAULT; | |
447 | } | |
448 | } | |
449 | return ret; | |
450 | } | |
451 | ||
21344452 SS |
452 | /* getdents(2) */ |
453 | static inline abi_long do_freebsd11_getdents(abi_long arg1, | |
454 | abi_ulong arg2, abi_long nbytes) | |
455 | { | |
456 | abi_long ret; | |
457 | struct freebsd11_dirent *dirp; | |
458 | ||
459 | dirp = lock_user(VERIFY_WRITE, arg2, nbytes, 0); | |
460 | if (dirp == NULL) { | |
461 | return -TARGET_EFAULT; | |
462 | } | |
463 | ret = get_errno(freebsd11_getdents(arg1, (char *)dirp, nbytes)); | |
464 | if (!is_error(ret)) { | |
465 | struct freebsd11_dirent *de; | |
466 | int len = ret; | |
467 | int reclen; | |
468 | ||
469 | de = dirp; | |
470 | while (len > 0) { | |
471 | reclen = de->d_reclen; | |
472 | if (reclen > len) { | |
473 | return -TARGET_EFAULT; | |
474 | } | |
475 | de->d_reclen = tswap16(reclen); | |
476 | de->d_fileno = tswap32(de->d_fileno); | |
477 | len -= reclen; | |
478 | } | |
479 | } | |
480 | return ret; | |
481 | } | |
482 | ||
91a98c9b MM |
483 | /* getdirecentries(2) */ |
484 | static inline abi_long do_freebsd11_getdirentries(abi_long arg1, | |
485 | abi_ulong arg2, abi_long nbytes, abi_ulong arg4) | |
486 | { | |
487 | abi_long ret; | |
488 | struct freebsd11_dirent *dirp; | |
489 | long basep; | |
490 | ||
491 | dirp = lock_user(VERIFY_WRITE, arg2, nbytes, 0); | |
492 | if (dirp == NULL) { | |
493 | return -TARGET_EFAULT; | |
494 | } | |
495 | ret = get_errno(freebsd11_getdirentries(arg1, (char *)dirp, nbytes, &basep)); | |
496 | if (!is_error(ret)) { | |
497 | struct freebsd11_dirent *de; | |
498 | int len = ret; | |
499 | int reclen; | |
500 | ||
501 | de = dirp; | |
502 | while (len > 0) { | |
503 | reclen = de->d_reclen; | |
504 | if (reclen > len) { | |
505 | return -TARGET_EFAULT; | |
506 | } | |
507 | de->d_reclen = tswap16(reclen); | |
508 | de->d_fileno = tswap32(de->d_fileno); | |
509 | len -= reclen; | |
510 | de = (struct freebsd11_dirent *)((void *)de + reclen); | |
511 | } | |
512 | } | |
513 | unlock_user(dirp, arg2, ret); | |
514 | if (arg4) { | |
515 | if (put_user(basep, arg4, abi_ulong)) { | |
516 | return -TARGET_EFAULT; | |
517 | } | |
518 | } | |
519 | return ret; | |
520 | } | |
521 | ||
21344452 SS |
522 | /* getdirecentries(2) */ |
523 | static inline abi_long do_freebsd_getdirentries(abi_long arg1, | |
524 | abi_ulong arg2, abi_long nbytes, abi_ulong arg4) | |
525 | { | |
526 | abi_long ret; | |
527 | struct dirent *dirp; | |
528 | long basep; | |
529 | ||
530 | dirp = lock_user(VERIFY_WRITE, arg2, nbytes, 0); | |
531 | if (dirp == NULL) { | |
532 | return -TARGET_EFAULT; | |
533 | } | |
534 | ret = get_errno(getdirentries(arg1, (char *)dirp, nbytes, &basep)); | |
535 | if (!is_error(ret)) { | |
536 | struct dirent *de; | |
537 | int len = ret; | |
538 | int reclen; | |
539 | ||
540 | de = dirp; | |
541 | while (len > 0) { | |
542 | reclen = de->d_reclen; | |
543 | if (reclen > len) { | |
544 | return -TARGET_EFAULT; | |
545 | } | |
546 | de->d_fileno = tswap64(de->d_fileno); | |
547 | de->d_off = tswap64(de->d_off); | |
548 | de->d_reclen = tswap16(de->d_reclen); | |
549 | de->d_namlen = tswap16(de->d_namlen); | |
550 | len -= reclen; | |
551 | de = (struct dirent *)((void *)de + reclen); | |
552 | } | |
553 | } | |
554 | unlock_user(dirp, arg2, ret); | |
555 | if (arg4) { | |
556 | if (put_user(basep, arg4, abi_ulong)) { | |
557 | return -TARGET_EFAULT; | |
558 | } | |
559 | } | |
560 | return ret; | |
561 | } | |
562 | ||
c0023204 SS |
563 | /* fcntl(2) */ |
564 | static inline abi_long do_freebsd_fcntl(abi_long arg1, abi_long arg2, | |
565 | abi_ulong arg3) | |
566 | { | |
567 | abi_long ret; | |
568 | int host_cmd; | |
569 | struct flock fl; | |
570 | struct target_freebsd_flock *target_fl; | |
571 | ||
572 | host_cmd = target_to_host_fcntl_cmd(arg2); | |
573 | if (host_cmd < 0) { | |
574 | return host_cmd; | |
575 | } | |
576 | switch (arg2) { | |
577 | case TARGET_F_GETLK: | |
578 | if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1)) { | |
579 | return -TARGET_EFAULT; | |
580 | } | |
581 | __get_user(fl.l_type, &target_fl->l_type); | |
582 | __get_user(fl.l_whence, &target_fl->l_whence); | |
583 | __get_user(fl.l_start, &target_fl->l_start); | |
584 | __get_user(fl.l_len, &target_fl->l_len); | |
585 | __get_user(fl.l_pid, &target_fl->l_pid); | |
586 | __get_user(fl.l_sysid, &target_fl->l_sysid); | |
587 | unlock_user_struct(target_fl, arg3, 0); | |
588 | ret = get_errno(safe_fcntl(arg1, host_cmd, &fl)); | |
589 | if (!is_error(ret)) { | |
590 | if (!lock_user_struct(VERIFY_WRITE, target_fl, arg3, 0)) { | |
591 | return -TARGET_EFAULT; | |
592 | } | |
593 | __put_user(fl.l_type, &target_fl->l_type); | |
594 | __put_user(fl.l_whence, &target_fl->l_whence); | |
595 | __put_user(fl.l_start, &target_fl->l_start); | |
596 | __put_user(fl.l_len, &target_fl->l_len); | |
597 | __put_user(fl.l_pid, &target_fl->l_pid); | |
598 | __put_user(fl.l_sysid, &target_fl->l_sysid); | |
599 | unlock_user_struct(target_fl, arg3, 1); | |
600 | } | |
601 | break; | |
602 | ||
603 | case TARGET_F_SETLK: | |
604 | case TARGET_F_SETLKW: | |
605 | if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1)) { | |
606 | return -TARGET_EFAULT; | |
607 | } | |
608 | __get_user(fl.l_type, &target_fl->l_type); | |
609 | __get_user(fl.l_whence, &target_fl->l_whence); | |
610 | __get_user(fl.l_start, &target_fl->l_start); | |
611 | __get_user(fl.l_len, &target_fl->l_len); | |
612 | __get_user(fl.l_pid, &target_fl->l_pid); | |
613 | __get_user(fl.l_sysid, &target_fl->l_sysid); | |
614 | unlock_user_struct(target_fl, arg3, 0); | |
615 | ret = get_errno(safe_fcntl(arg1, host_cmd, &fl)); | |
616 | break; | |
617 | ||
618 | case TARGET_F_DUPFD: | |
619 | case TARGET_F_DUP2FD: | |
620 | case TARGET_F_GETOWN: | |
621 | case TARGET_F_SETOWN: | |
622 | case TARGET_F_GETFD: | |
623 | case TARGET_F_SETFD: | |
624 | case TARGET_F_GETFL: | |
625 | case TARGET_F_SETFL: | |
626 | case TARGET_F_READAHEAD: | |
627 | case TARGET_F_RDAHEAD: | |
628 | case TARGET_F_ADD_SEALS: | |
629 | case TARGET_F_GET_SEALS: | |
630 | default: | |
631 | ret = get_errno(safe_fcntl(arg1, host_cmd, arg3)); | |
632 | break; | |
633 | } | |
634 | return ret; | |
635 | } | |
636 | ||
292bfd0f MU |
637 | #if defined(__FreeBSD_version) && __FreeBSD_version >= 1300080 |
638 | extern int __realpathat(int fd, const char *path, char *buf, size_t size, | |
639 | int flags); | |
640 | /* https://svnweb.freebsd.org/base?view=revision&revision=358172 */ | |
641 | /* no man page */ | |
642 | static inline abi_long do_freebsd_realpathat(abi_long arg1, abi_long arg2, | |
643 | abi_long arg3, abi_long arg4, abi_long arg5) | |
644 | { | |
645 | abi_long ret; | |
646 | void *p, *b; | |
647 | ||
648 | LOCK_PATH(p, arg2); | |
649 | b = lock_user(VERIFY_WRITE, arg3, arg4, 0); | |
650 | if (b == NULL) { | |
651 | UNLOCK_PATH(p, arg2); | |
652 | return -TARGET_EFAULT; | |
653 | } | |
654 | ||
655 | ret = get_errno(__realpathat(arg1, p, b, arg4, arg5)); | |
656 | UNLOCK_PATH(p, arg2); | |
657 | unlock_user(b, arg3, ret); | |
658 | ||
659 | return ret; | |
660 | } | |
661 | #endif | |
662 | ||
bf14f13d | 663 | #endif /* BSD_USER_FREEBSD_OS_STAT_H */ |