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14#include <linux/kernel.h>
15#include <linux/fs.h>
16#include <linux/sched.h>
17#include <linux/types.h>
18#include <linux/file.h>
19#include <linux/icmpv6.h>
20#include <linux/socket.h>
21#include <linux/syscalls.h>
22#include <linux/filter.h>
23#include <linux/compat.h>
24#include <linux/netfilter_ipv4/ip_tables.h>
25#include <linux/security.h>
26
27#include <net/scm.h>
28#include <net/sock.h>
29#include <asm/uaccess.h>
30#include <net/compat.h>
31
32static inline int iov_from_user_compat_to_kern(struct iovec *kiov,
33 struct compat_iovec __user *uiov32,
34 int niov)
35{
36 int tot_len = 0;
37
38 while(niov > 0) {
39 compat_uptr_t buf;
40 compat_size_t len;
41
42 if(get_user(len, &uiov32->iov_len) ||
43 get_user(buf, &uiov32->iov_base)) {
44 tot_len = -EFAULT;
45 break;
46 }
47 tot_len += len;
48 kiov->iov_base = compat_ptr(buf);
49 kiov->iov_len = (__kernel_size_t) len;
50 uiov32++;
51 kiov++;
52 niov--;
53 }
54 return tot_len;
55}
56
57int get_compat_msghdr(struct msghdr *kmsg, struct compat_msghdr __user *umsg)
58{
59 compat_uptr_t tmp1, tmp2, tmp3;
60
61 if (!access_ok(VERIFY_READ, umsg, sizeof(*umsg)) ||
62 __get_user(tmp1, &umsg->msg_name) ||
63 __get_user(kmsg->msg_namelen, &umsg->msg_namelen) ||
64 __get_user(tmp2, &umsg->msg_iov) ||
65 __get_user(kmsg->msg_iovlen, &umsg->msg_iovlen) ||
66 __get_user(tmp3, &umsg->msg_control) ||
67 __get_user(kmsg->msg_controllen, &umsg->msg_controllen) ||
68 __get_user(kmsg->msg_flags, &umsg->msg_flags))
69 return -EFAULT;
70 kmsg->msg_name = compat_ptr(tmp1);
71 kmsg->msg_iov = compat_ptr(tmp2);
72 kmsg->msg_control = compat_ptr(tmp3);
73 return 0;
74}
75
76
77int verify_compat_iovec(struct msghdr *kern_msg, struct iovec *kern_iov,
78 char *kern_address, int mode)
79{
80 int tot_len;
81
82 if(kern_msg->msg_namelen) {
83 if(mode==VERIFY_READ) {
84 int err = move_addr_to_kernel(kern_msg->msg_name,
85 kern_msg->msg_namelen,
86 kern_address);
87 if(err < 0)
88 return err;
89 }
90 kern_msg->msg_name = kern_address;
91 } else
92 kern_msg->msg_name = NULL;
93
94 tot_len = iov_from_user_compat_to_kern(kern_iov,
95 (struct compat_iovec __user *)kern_msg->msg_iov,
96 kern_msg->msg_iovlen);
97 if(tot_len >= 0)
98 kern_msg->msg_iov = kern_iov;
99
100 return tot_len;
101}
102
103
104#define CMSG_COMPAT_ALIGN(len) ALIGN((len), sizeof(s32))
105
106#define CMSG_COMPAT_DATA(cmsg) \
107 ((void __user *)((char __user *)(cmsg) + CMSG_COMPAT_ALIGN(sizeof(struct compat_cmsghdr))))
108#define CMSG_COMPAT_SPACE(len) \
109 (CMSG_COMPAT_ALIGN(sizeof(struct compat_cmsghdr)) + CMSG_COMPAT_ALIGN(len))
110#define CMSG_COMPAT_LEN(len) \
111 (CMSG_COMPAT_ALIGN(sizeof(struct compat_cmsghdr)) + (len))
112
113#define CMSG_COMPAT_FIRSTHDR(msg) \
114 (((msg)->msg_controllen) >= sizeof(struct compat_cmsghdr) ? \
115 (struct compat_cmsghdr __user *)((msg)->msg_control) : \
116 (struct compat_cmsghdr __user *)NULL)
117
118#define CMSG_COMPAT_OK(ucmlen, ucmsg, mhdr) \
119 ((ucmlen) >= sizeof(struct compat_cmsghdr) && \
120 (ucmlen) <= (unsigned long) \
121 ((mhdr)->msg_controllen - \
122 ((char *)(ucmsg) - (char *)(mhdr)->msg_control)))
123
124static inline struct compat_cmsghdr __user *cmsg_compat_nxthdr(struct msghdr *msg,
125 struct compat_cmsghdr __user *cmsg, int cmsg_len)
126{
127 char __user *ptr = (char __user *)cmsg + CMSG_COMPAT_ALIGN(cmsg_len);
128 if ((unsigned long)(ptr + 1 - (char __user *)msg->msg_control) >
129 msg->msg_controllen)
130 return NULL;
131 return (struct compat_cmsghdr __user *)ptr;
132}
133
134
135
136
137
138int cmsghdr_from_user_compat_to_kern(struct msghdr *kmsg, struct sock *sk,
139 unsigned char *stackbuf, int stackbuf_size)
140{
141 struct compat_cmsghdr __user *ucmsg;
142 struct cmsghdr *kcmsg, *kcmsg_base;
143 compat_size_t ucmlen;
144 __kernel_size_t kcmlen, tmp;
145 int err = -EFAULT;
146
147 kcmlen = 0;
148 kcmsg_base = kcmsg = (struct cmsghdr *)stackbuf;
149 ucmsg = CMSG_COMPAT_FIRSTHDR(kmsg);
150 while(ucmsg != NULL) {
151 if(get_user(ucmlen, &ucmsg->cmsg_len))
152 return -EFAULT;
153
154
155 if (!CMSG_COMPAT_OK(ucmlen, ucmsg, kmsg))
156 return -EINVAL;
157
158 tmp = ((ucmlen - CMSG_COMPAT_ALIGN(sizeof(*ucmsg))) +
159 CMSG_ALIGN(sizeof(struct cmsghdr)));
160 tmp = CMSG_ALIGN(tmp);
161 kcmlen += tmp;
162 ucmsg = cmsg_compat_nxthdr(kmsg, ucmsg, ucmlen);
163 }
164 if(kcmlen == 0)
165 return -EINVAL;
166
167
168
169
170
171
172 if (kcmlen > stackbuf_size)
173 kcmsg_base = kcmsg = sock_kmalloc(sk, kcmlen, GFP_KERNEL);
174 if (kcmsg == NULL)
175 return -ENOBUFS;
176
177
178 memset(kcmsg, 0, kcmlen);
179 ucmsg = CMSG_COMPAT_FIRSTHDR(kmsg);
180 while(ucmsg != NULL) {
181 if (__get_user(ucmlen, &ucmsg->cmsg_len))
182 goto Efault;
183 if (!CMSG_COMPAT_OK(ucmlen, ucmsg, kmsg))
184 goto Einval;
185 tmp = ((ucmlen - CMSG_COMPAT_ALIGN(sizeof(*ucmsg))) +
186 CMSG_ALIGN(sizeof(struct cmsghdr)));
187 if ((char *)kcmsg_base + kcmlen - (char *)kcmsg < CMSG_ALIGN(tmp))
188 goto Einval;
189 kcmsg->cmsg_len = tmp;
190 tmp = CMSG_ALIGN(tmp);
191 if (__get_user(kcmsg->cmsg_level, &ucmsg->cmsg_level) ||
192 __get_user(kcmsg->cmsg_type, &ucmsg->cmsg_type) ||
193 copy_from_user(CMSG_DATA(kcmsg),
194 CMSG_COMPAT_DATA(ucmsg),
195 (ucmlen - CMSG_COMPAT_ALIGN(sizeof(*ucmsg)))))
196 goto Efault;
197
198
199 kcmsg = (struct cmsghdr *)((char *)kcmsg + tmp);
200 ucmsg = cmsg_compat_nxthdr(kmsg, ucmsg, ucmlen);
201 }
202
203
204 kmsg->msg_control = kcmsg_base;
205 kmsg->msg_controllen = kcmlen;
206 return 0;
207
208Einval:
209 err = -EINVAL;
210Efault:
211 if (kcmsg_base != (struct cmsghdr *)stackbuf)
212 sock_kfree_s(sk, kcmsg_base, kcmlen);
213 return err;
214}
215
216int put_cmsg_compat(struct msghdr *kmsg, int level, int type, int len, void *data)
217{
218 struct compat_timeval ctv;
219 struct compat_cmsghdr __user *cm = (struct compat_cmsghdr __user *) kmsg->msg_control;
220 struct compat_cmsghdr cmhdr;
221 int cmlen;
222
223 if(cm == NULL || kmsg->msg_controllen < sizeof(*cm)) {
224 kmsg->msg_flags |= MSG_CTRUNC;
225 return 0;
226 }
227
228 if (level == SOL_SOCKET && type == SO_TIMESTAMP) {
229 struct timeval *tv = (struct timeval *)data;
230 ctv.tv_sec = tv->tv_sec;
231 ctv.tv_usec = tv->tv_usec;
232 data = &ctv;
233 len = sizeof(struct compat_timeval);
234 }
235
236 cmlen = CMSG_COMPAT_LEN(len);
237 if(kmsg->msg_controllen < cmlen) {
238 kmsg->msg_flags |= MSG_CTRUNC;
239 cmlen = kmsg->msg_controllen;
240 }
241 cmhdr.cmsg_level = level;
242 cmhdr.cmsg_type = type;
243 cmhdr.cmsg_len = cmlen;
244
245 if(copy_to_user(cm, &cmhdr, sizeof cmhdr))
246 return -EFAULT;
247 if(copy_to_user(CMSG_COMPAT_DATA(cm), data, cmlen - sizeof(struct compat_cmsghdr)))
248 return -EFAULT;
249 cmlen = CMSG_COMPAT_SPACE(len);
250 kmsg->msg_control += cmlen;
251 kmsg->msg_controllen -= cmlen;
252 return 0;
253}
254
255void scm_detach_fds_compat(struct msghdr *kmsg, struct scm_cookie *scm)
256{
257 struct compat_cmsghdr __user *cm = (struct compat_cmsghdr __user *) kmsg->msg_control;
258 int fdmax = (kmsg->msg_controllen - sizeof(struct compat_cmsghdr)) / sizeof(int);
259 int fdnum = scm->fp->count;
260 struct file **fp = scm->fp->fp;
261 int __user *cmfptr;
262 int err = 0, i;
263
264 if (fdnum < fdmax)
265 fdmax = fdnum;
266
267 for (i = 0, cmfptr = (int __user *) CMSG_COMPAT_DATA(cm); i < fdmax; i++, cmfptr++) {
268 int new_fd;
269 err = security_file_receive(fp[i]);
270 if (err)
271 break;
272 err = get_unused_fd();
273 if (err < 0)
274 break;
275 new_fd = err;
276 err = put_user(new_fd, cmfptr);
277 if (err) {
278 put_unused_fd(new_fd);
279 break;
280 }
281
282 get_file(fp[i]);
283 fd_install(new_fd, fp[i]);
284 }
285
286 if (i > 0) {
287 int cmlen = CMSG_COMPAT_LEN(i * sizeof(int));
288 if (!err)
289 err = put_user(SOL_SOCKET, &cm->cmsg_level);
290 if (!err)
291 err = put_user(SCM_RIGHTS, &cm->cmsg_type);
292 if (!err)
293 err = put_user(cmlen, &cm->cmsg_len);
294 if (!err) {
295 cmlen = CMSG_COMPAT_SPACE(i * sizeof(int));
296 kmsg->msg_control += cmlen;
297 kmsg->msg_controllen -= cmlen;
298 }
299 }
300 if (i < fdnum)
301 kmsg->msg_flags |= MSG_CTRUNC;
302
303
304
305
306
307 __scm_destroy(scm);
308}
309
310
311
312
313
314struct compat_ipt_replace {
315 char name[IPT_TABLE_MAXNAMELEN];
316 u32 valid_hooks;
317 u32 num_entries;
318 u32 size;
319 u32 hook_entry[NF_IP_NUMHOOKS];
320 u32 underflow[NF_IP_NUMHOOKS];
321 u32 num_counters;
322 compat_uptr_t counters;
323 struct ipt_entry entries[0];
324};
325
326static int do_netfilter_replace(int fd, int level, int optname,
327 char __user *optval, int optlen)
328{
329 struct compat_ipt_replace __user *urepl;
330 struct ipt_replace __user *repl_nat;
331 char name[IPT_TABLE_MAXNAMELEN];
332 u32 origsize, tmp32, num_counters;
333 unsigned int repl_nat_size;
334 int ret;
335 int i;
336 compat_uptr_t ucntrs;
337
338 urepl = (struct compat_ipt_replace __user *)optval;
339 if (get_user(origsize, &urepl->size))
340 return -EFAULT;
341
342
343 if (optlen != sizeof(*urepl) + origsize)
344 return -ENOPROTOOPT;
345
346
347
348
349 repl_nat_size = sizeof(*repl_nat) + origsize;
350 repl_nat = compat_alloc_user_space(repl_nat_size);
351
352 ret = -EFAULT;
353 if (put_user(origsize, &repl_nat->size))
354 goto out;
355
356 if (!access_ok(VERIFY_READ, urepl, optlen) ||
357 !access_ok(VERIFY_WRITE, repl_nat, optlen))
358 goto out;
359
360 if (__copy_from_user(name, urepl->name, sizeof(urepl->name)) ||
361 __copy_to_user(repl_nat->name, name, sizeof(repl_nat->name)))
362 goto out;
363
364 if (__get_user(tmp32, &urepl->valid_hooks) ||
365 __put_user(tmp32, &repl_nat->valid_hooks))
366 goto out;
367
368 if (__get_user(tmp32, &urepl->num_entries) ||
369 __put_user(tmp32, &repl_nat->num_entries))
370 goto out;
371
372 if (__get_user(num_counters, &urepl->num_counters) ||
373 __put_user(num_counters, &repl_nat->num_counters))
374 goto out;
375
376 if (__get_user(ucntrs, &urepl->counters) ||
377 __put_user(compat_ptr(ucntrs), &repl_nat->counters))
378 goto out;
379
380 if (__copy_in_user(&repl_nat->entries[0],
381 &urepl->entries[0],
382 origsize))
383 goto out;
384
385 for (i = 0; i < NF_IP_NUMHOOKS; i++) {
386 if (__get_user(tmp32, &urepl->hook_entry[i]) ||
387 __put_user(tmp32, &repl_nat->hook_entry[i]) ||
388 __get_user(tmp32, &urepl->underflow[i]) ||
389 __put_user(tmp32, &repl_nat->underflow[i]))
390 goto out;
391 }
392
393
394
395
396
397
398
399 if (!access_ok(VERIFY_WRITE, compat_ptr(ucntrs),
400 num_counters * sizeof(struct ipt_counters)))
401 goto out;
402
403
404 ret = sys_setsockopt(fd, level, optname,
405 (char __user *)repl_nat, repl_nat_size);
406
407out:
408 return ret;
409}
410
411
412
413
414struct compat_sock_fprog {
415 u16 len;
416 compat_uptr_t filter;
417};
418
419static int do_set_attach_filter(struct socket *sock, int level, int optname,
420 char __user *optval, int optlen)
421{
422 struct compat_sock_fprog __user *fprog32 = (struct compat_sock_fprog __user *)optval;
423 struct sock_fprog __user *kfprog = compat_alloc_user_space(sizeof(struct sock_fprog));
424 compat_uptr_t ptr;
425 u16 len;
426
427 if (!access_ok(VERIFY_READ, fprog32, sizeof(*fprog32)) ||
428 !access_ok(VERIFY_WRITE, kfprog, sizeof(struct sock_fprog)) ||
429 __get_user(len, &fprog32->len) ||
430 __get_user(ptr, &fprog32->filter) ||
431 __put_user(len, &kfprog->len) ||
432 __put_user(compat_ptr(ptr), &kfprog->filter))
433 return -EFAULT;
434
435 return sock_setsockopt(sock, level, optname, (char __user *)kfprog,
436 sizeof(struct sock_fprog));
437}
438
439static int do_set_sock_timeout(struct socket *sock, int level,
440 int optname, char __user *optval, int optlen)
441{
442 struct compat_timeval __user *up = (struct compat_timeval __user *) optval;
443 struct timeval ktime;
444 mm_segment_t old_fs;
445 int err;
446
447 if (optlen < sizeof(*up))
448 return -EINVAL;
449 if (!access_ok(VERIFY_READ, up, sizeof(*up)) ||
450 __get_user(ktime.tv_sec, &up->tv_sec) ||
451 __get_user(ktime.tv_usec, &up->tv_usec))
452 return -EFAULT;
453 old_fs = get_fs();
454 set_fs(KERNEL_DS);
455 err = sock_setsockopt(sock, level, optname, (char *) &ktime, sizeof(ktime));
456 set_fs(old_fs);
457
458 return err;
459}
460
461static int compat_sock_setsockopt(struct socket *sock, int level, int optname,
462 char __user *optval, int optlen)
463{
464 if (optname == SO_ATTACH_FILTER)
465 return do_set_attach_filter(sock, level, optname,
466 optval, optlen);
467 if (optname == SO_RCVTIMEO || optname == SO_SNDTIMEO)
468 return do_set_sock_timeout(sock, level, optname, optval, optlen);
469
470 return sock_setsockopt(sock, level, optname, optval, optlen);
471}
472
473asmlinkage long compat_sys_setsockopt(int fd, int level, int optname,
474 char __user *optval, int optlen)
475{
476 int err;
477 struct socket *sock;
478
479 if (level == SOL_IPV6 && optname == IPT_SO_SET_REPLACE)
480 return do_netfilter_replace(fd, level, optname,
481 optval, optlen);
482
483 if (optlen < 0)
484 return -EINVAL;
485
486 if ((sock = sockfd_lookup(fd, &err))!=NULL)
487 {
488 err = security_socket_setsockopt(sock,level,optname);
489 if (err) {
490 sockfd_put(sock);
491 return err;
492 }
493
494 if (level == SOL_SOCKET)
495 err = compat_sock_setsockopt(sock, level,
496 optname, optval, optlen);
497 else if (sock->ops->compat_setsockopt)
498 err = sock->ops->compat_setsockopt(sock, level,
499 optname, optval, optlen);
500 else
501 err = sock->ops->setsockopt(sock, level,
502 optname, optval, optlen);
503 sockfd_put(sock);
504 }
505 return err;
506}
507
508static int do_get_sock_timeout(struct socket *sock, int level, int optname,
509 char __user *optval, int __user *optlen)
510{
511 struct compat_timeval __user *up;
512 struct timeval ktime;
513 mm_segment_t old_fs;
514 int len, err;
515
516 up = (struct compat_timeval __user *) optval;
517 if (get_user(len, optlen))
518 return -EFAULT;
519 if (len < sizeof(*up))
520 return -EINVAL;
521 len = sizeof(ktime);
522 old_fs = get_fs();
523 set_fs(KERNEL_DS);
524 err = sock_getsockopt(sock, level, optname, (char *) &ktime, &len);
525 set_fs(old_fs);
526
527 if (!err) {
528 if (put_user(sizeof(*up), optlen) ||
529 !access_ok(VERIFY_WRITE, up, sizeof(*up)) ||
530 __put_user(ktime.tv_sec, &up->tv_sec) ||
531 __put_user(ktime.tv_usec, &up->tv_usec))
532 err = -EFAULT;
533 }
534 return err;
535}
536
537static int compat_sock_getsockopt(struct socket *sock, int level, int optname,
538 char __user *optval, int __user *optlen)
539{
540 if (optname == SO_RCVTIMEO || optname == SO_SNDTIMEO)
541 return do_get_sock_timeout(sock, level, optname, optval, optlen);
542 return sock_getsockopt(sock, level, optname, optval, optlen);
543}
544
545int compat_sock_get_timestamp(struct sock *sk, struct timeval __user *userstamp)
546{
547 struct compat_timeval __user *ctv =
548 (struct compat_timeval __user*) userstamp;
549 int err = -ENOENT;
550
551 if (!sock_flag(sk, SOCK_TIMESTAMP))
552 sock_enable_timestamp(sk);
553 if (sk->sk_stamp.tv_sec == -1)
554 return err;
555 if (sk->sk_stamp.tv_sec == 0)
556 do_gettimeofday(&sk->sk_stamp);
557 if (put_user(sk->sk_stamp.tv_sec, &ctv->tv_sec) ||
558 put_user(sk->sk_stamp.tv_usec, &ctv->tv_usec))
559 err = -EFAULT;
560 return err;
561}
562EXPORT_SYMBOL(compat_sock_get_timestamp);
563
564asmlinkage long compat_sys_getsockopt(int fd, int level, int optname,
565 char __user *optval, int __user *optlen)
566{
567 int err;
568 struct socket *sock;
569
570 if ((sock = sockfd_lookup(fd, &err))!=NULL)
571 {
572 err = security_socket_getsockopt(sock, level,
573 optname);
574 if (err) {
575 sockfd_put(sock);
576 return err;
577 }
578
579 if (level == SOL_SOCKET)
580 err = compat_sock_getsockopt(sock, level,
581 optname, optval, optlen);
582 else if (sock->ops->compat_getsockopt)
583 err = sock->ops->compat_getsockopt(sock, level,
584 optname, optval, optlen);
585 else
586 err = sock->ops->getsockopt(sock, level,
587 optname, optval, optlen);
588 sockfd_put(sock);
589 }
590 return err;
591}
592
593#define AL(x) ((x) * sizeof(u32))
594static unsigned char nas[18]={AL(0),AL(3),AL(3),AL(3),AL(2),AL(3),
595 AL(3),AL(3),AL(4),AL(4),AL(4),AL(6),
596 AL(6),AL(2),AL(5),AL(5),AL(3),AL(3)};
597#undef AL
598
599asmlinkage long compat_sys_sendmsg(int fd, struct compat_msghdr __user *msg, unsigned flags)
600{
601 return sys_sendmsg(fd, (struct msghdr __user *)msg, flags | MSG_CMSG_COMPAT);
602}
603
604asmlinkage long compat_sys_recvmsg(int fd, struct compat_msghdr __user *msg, unsigned int flags)
605{
606 return sys_recvmsg(fd, (struct msghdr __user *)msg, flags | MSG_CMSG_COMPAT);
607}
608
609asmlinkage long compat_sys_socketcall(int call, u32 __user *args)
610{
611 int ret;
612 u32 a[6];
613 u32 a0, a1;
614
615 if (call < SYS_SOCKET || call > SYS_RECVMSG)
616 return -EINVAL;
617 if (copy_from_user(a, args, nas[call]))
618 return -EFAULT;
619 a0 = a[0];
620 a1 = a[1];
621
622 switch(call) {
623 case SYS_SOCKET:
624 ret = sys_socket(a0, a1, a[2]);
625 break;
626 case SYS_BIND:
627 ret = sys_bind(a0, compat_ptr(a1), a[2]);
628 break;
629 case SYS_CONNECT:
630 ret = sys_connect(a0, compat_ptr(a1), a[2]);
631 break;
632 case SYS_LISTEN:
633 ret = sys_listen(a0, a1);
634 break;
635 case SYS_ACCEPT:
636 ret = sys_accept(a0, compat_ptr(a1), compat_ptr(a[2]));
637 break;
638 case SYS_GETSOCKNAME:
639 ret = sys_getsockname(a0, compat_ptr(a1), compat_ptr(a[2]));
640 break;
641 case SYS_GETPEERNAME:
642 ret = sys_getpeername(a0, compat_ptr(a1), compat_ptr(a[2]));
643 break;
644 case SYS_SOCKETPAIR:
645 ret = sys_socketpair(a0, a1, a[2], compat_ptr(a[3]));
646 break;
647 case SYS_SEND:
648 ret = sys_send(a0, compat_ptr(a1), a[2], a[3]);
649 break;
650 case SYS_SENDTO:
651 ret = sys_sendto(a0, compat_ptr(a1), a[2], a[3], compat_ptr(a[4]), a[5]);
652 break;
653 case SYS_RECV:
654 ret = sys_recv(a0, compat_ptr(a1), a[2], a[3]);
655 break;
656 case SYS_RECVFROM:
657 ret = sys_recvfrom(a0, compat_ptr(a1), a[2], a[3], compat_ptr(a[4]), compat_ptr(a[5]));
658 break;
659 case SYS_SHUTDOWN:
660 ret = sys_shutdown(a0,a1);
661 break;
662 case SYS_SETSOCKOPT:
663 ret = compat_sys_setsockopt(a0, a1, a[2],
664 compat_ptr(a[3]), a[4]);
665 break;
666 case SYS_GETSOCKOPT:
667 ret = compat_sys_getsockopt(a0, a1, a[2],
668 compat_ptr(a[3]), compat_ptr(a[4]));
669 break;
670 case SYS_SENDMSG:
671 ret = compat_sys_sendmsg(a0, compat_ptr(a1), a[2]);
672 break;
673 case SYS_RECVMSG:
674 ret = compat_sys_recvmsg(a0, compat_ptr(a1), a[2]);
675 break;
676 default:
677 ret = -EINVAL;
678 break;
679 }
680 return ret;
681}
682
