41#define COMPAT_43 1
42
43#include "opt_mac.h"
44
45#include <sys/param.h>
46#include <sys/systm.h>
47#include <sys/fcntl.h>
48#include <sys/filedesc.h>
49#include <sys/filio.h>
50#include <sys/lock.h>
51#include <sys/malloc.h>
52#include <sys/file.h> /* Must come after sys/malloc.h */
53#include <sys/mac.h>
54#include <sys/mbuf.h>
55#include <sys/mutex.h>
56#include <sys/proc.h>
57#include <sys/protosw.h>
58#include <sys/signal.h>
59#include <sys/signalvar.h>
60#include <sys/socket.h>
61#include <sys/socketvar.h>
62#include <sys/stat.h>
63#include <sys/sysproto.h>
64#include <sys/uio.h>
65#include <sys/ktrace.h> /* Must come after sys/uio.h */
66#include <sys/un.h>
67
68#include <netinet/in.h>
69
70#include <compat/svr4/svr4.h>
71#include <compat/svr4/svr4_types.h>
72#include <compat/svr4/svr4_util.h>
73#include <compat/svr4/svr4_signal.h>
74#include <compat/svr4/svr4_proto.h>
75#include <compat/svr4/svr4_stropts.h>
76#include <compat/svr4/svr4_timod.h>
77#include <compat/svr4/svr4_sockmod.h>
78#include <compat/svr4/svr4_ioctl.h>
79#include <compat/svr4/svr4_socket.h>
80
81/* Utils */
82static int clean_pipe(struct thread *, const char *);
83static void getparm(struct file *, struct svr4_si_sockparms *);
84static int svr4_do_putmsg(struct thread *, struct svr4_sys_putmsg_args *,
85 struct file *);
86static int svr4_do_getmsg(struct thread *, struct svr4_sys_getmsg_args *,
87 struct file *);
88
89/* Address Conversions */
90static void sockaddr_to_netaddr_in(struct svr4_strmcmd *,
91 const struct sockaddr_in *);
92static void sockaddr_to_netaddr_un(struct svr4_strmcmd *,
93 const struct sockaddr_un *);
94static void netaddr_to_sockaddr_in(struct sockaddr_in *,
95 const struct svr4_strmcmd *);
96static void netaddr_to_sockaddr_un(struct sockaddr_un *,
97 const struct svr4_strmcmd *);
98
99/* stream ioctls */
100static int i_nread(struct file *, struct thread *, register_t *, int,
101 u_long, caddr_t);
102static int i_fdinsert(struct file *, struct thread *, register_t *, int,
103 u_long, caddr_t);
104static int i_str(struct file *, struct thread *, register_t *, int,
105 u_long, caddr_t);
106static int i_setsig(struct file *, struct thread *, register_t *, int,
107 u_long, caddr_t);
108static int i_getsig(struct file *, struct thread *, register_t *, int,
109 u_long, caddr_t);
110static int _i_bind_rsvd(struct file *, struct thread *, register_t *, int,
111 u_long, caddr_t);
112static int _i_rele_rsvd(struct file *, struct thread *, register_t *, int,
113 u_long, caddr_t);
114
115/* i_str sockmod calls */
116static int sockmod(struct file *, int, struct svr4_strioctl *,
117 struct thread *);
118static int si_listen(struct file *, int, struct svr4_strioctl *,
119 struct thread *);
120static int si_ogetudata(struct file *, int, struct svr4_strioctl *,
121 struct thread *);
122static int si_sockparams(struct file *, int, struct svr4_strioctl *,
123 struct thread *);
124static int si_shutdown (struct file *, int, struct svr4_strioctl *,
125 struct thread *);
126static int si_getudata(struct file *, int, struct svr4_strioctl *,
127 struct thread *);
128
129/* i_str timod calls */
130static int timod(struct file *, int, struct svr4_strioctl *, struct thread *);
131static int ti_getinfo(struct file *, int, struct svr4_strioctl *,
132 struct thread *);
133static int ti_bind(struct file *, int, struct svr4_strioctl *, struct thread *);
134
135/* infrastructure */
136static int svr4_sendit(struct thread *td, int s, struct msghdr *mp, int flags);
137
138static int svr4_recvit(struct thread *td, int s, struct msghdr *mp,
139 caddr_t namelenp);
140
141/* <sigh> Ok, so we shouldn't use sendit() in uipc_syscalls.c because
142 * it isn't part of a "public" interface; We're supposed to use
143 * pru_sosend instead. Same goes for recvit()/pru_soreceive() for
144 * that matter. Solution: Suck sendit()/recvit() into here where we
145 * can do what we like.
146 *
147 * I hate code duplication.
148 *
149 * I will take out all the #ifdef COMPAT_OLDSOCK gumph, though.
150 */
151static int
152svr4_sendit(td, s, mp, flags)
153 register struct thread *td;
154 int s;
155 register struct msghdr *mp;
156 int flags;
157{
158 struct uio auio;
159 register struct iovec *iov;
160 register int i;
161 struct mbuf *control;
162 struct sockaddr *to;
163 int len, error;
164 struct socket *so;
165#ifdef KTRACE
166 struct iovec *ktriov = NULL;
167 struct uio ktruio;
168#endif
169
170 if ((error = fgetsock(td, s, &so, NULL)) != 0)
171 return (error);
172
173#ifdef MAC
174 error = mac_check_socket_send(td->td_ucred, so);
175 if (error)
176 goto done1;
177#endif
178
179 auio.uio_iov = mp->msg_iov;
180 auio.uio_iovcnt = mp->msg_iovlen;
181 auio.uio_segflg = UIO_USERSPACE;
182 auio.uio_rw = UIO_WRITE;
183 auio.uio_td = td;
184 auio.uio_offset = 0; /* XXX */
185 auio.uio_resid = 0;
186 iov = mp->msg_iov;
187 for (i = 0; i < mp->msg_iovlen; i++, iov++) {
188 if ((auio.uio_resid += iov->iov_len) < 0) {
189 error = EINVAL;
190 goto done1;
191 }
192 }
193 if (mp->msg_name) {
194 error = getsockaddr(&to, mp->msg_name, mp->msg_namelen);
195 if (error)
196 goto done1;
197 } else {
198 to = 0;
199 }
200 if (mp->msg_control) {
201 if (mp->msg_controllen < sizeof(struct cmsghdr)) {
202 error = EINVAL;
203 goto bad;
204 }
205 error = sockargs(&control, mp->msg_control,
206 mp->msg_controllen, MT_CONTROL);
207 if (error)
208 goto bad;
209 } else {
210 control = 0;
211 }
212#ifdef KTRACE
213 if (KTRPOINT(td, KTR_GENIO)) {
214 int iovlen = auio.uio_iovcnt * sizeof (struct iovec);
215
216 MALLOC(ktriov, struct iovec *, iovlen, M_TEMP, M_WAITOK);
217 bcopy((caddr_t)auio.uio_iov, (caddr_t)ktriov, iovlen);
218 ktruio = auio;
219 }
220#endif
221 len = auio.uio_resid;
222 error = so->so_proto->pr_usrreqs->pru_sosend(so, to, &auio, 0, control,
223 flags, td);
224 if (error) {
225 if (auio.uio_resid != len && (error == ERESTART ||
226 error == EINTR || error == EWOULDBLOCK))
227 error = 0;
228 if (error == EPIPE) {
229 PROC_LOCK(td->td_proc);
230 psignal(td->td_proc, SIGPIPE);
231 PROC_UNLOCK(td->td_proc);
232 }
233 }
234 if (error == 0)
235 td->td_retval[0] = len - auio.uio_resid;
236#ifdef KTRACE
237 if (ktriov != NULL) {
238 if (error == 0) {
239 ktruio.uio_iov = ktriov;
240 ktruio.uio_resid = td->td_retval[0];
241 ktrgenio(s, UIO_WRITE, &ktruio, error);
242 }
243 FREE(ktriov, M_TEMP);
244 }
245#endif
246bad:
247 if (to)
248 FREE(to, M_SONAME);
249done1:
250 fputsock(so);
251 return (error);
252}
253
254static int
255svr4_recvit(td, s, mp, namelenp)
256 register struct thread *td;
257 int s;
258 register struct msghdr *mp;
259 caddr_t namelenp;
260{
261 struct uio auio;
262 register struct iovec *iov;
263 register int i;
264 int len, error;
265 struct mbuf *m, *control = 0;
266 caddr_t ctlbuf;
267 struct socket *so;
268 struct sockaddr *fromsa = 0;
269#ifdef KTRACE
270 struct iovec *ktriov = NULL;
271 struct uio ktruio;
272#endif
273
274 if ((error = fgetsock(td, s, &so, NULL)) != 0)
275 return (error);
276
277#ifdef MAC
278 error = mac_check_socket_receive(td->td_ucred, so);
279 if (error)
280 goto done1;
281#endif
282
283 auio.uio_iov = mp->msg_iov;
284 auio.uio_iovcnt = mp->msg_iovlen;
285 auio.uio_segflg = UIO_USERSPACE;
286 auio.uio_rw = UIO_READ;
287 auio.uio_td = td;
288 auio.uio_offset = 0; /* XXX */
289 auio.uio_resid = 0;
290 iov = mp->msg_iov;
291 for (i = 0; i < mp->msg_iovlen; i++, iov++) {
292 if ((auio.uio_resid += iov->iov_len) < 0) {
293 error = EINVAL;
294 goto done1;
295 }
296 }
297#ifdef KTRACE
298 if (KTRPOINT(td, KTR_GENIO)) {
299 int iovlen = auio.uio_iovcnt * sizeof (struct iovec);
300
301 MALLOC(ktriov, struct iovec *, iovlen, M_TEMP, M_WAITOK);
302 bcopy((caddr_t)auio.uio_iov, (caddr_t)ktriov, iovlen);
303 ktruio = auio;
304 }
305#endif
306 len = auio.uio_resid;
307 error = so->so_proto->pr_usrreqs->pru_soreceive(so, &fromsa, &auio,
308 (struct mbuf **)0, mp->msg_control ? &control : (struct mbuf **)0,
309 &mp->msg_flags);
310 if (error) {
311 if (auio.uio_resid != len && (error == ERESTART ||
312 error == EINTR || error == EWOULDBLOCK))
313 error = 0;
314 }
315#ifdef KTRACE
316 if (ktriov != NULL) {
317 if (error == 0) {
318 ktruio.uio_iov = ktriov;
319 ktruio.uio_resid = len - auio.uio_resid;
320 ktrgenio(s, UIO_READ, &ktruio, error);
321 }
322 FREE(ktriov, M_TEMP);
323 }
324#endif
325 if (error)
326 goto out;
327 td->td_retval[0] = len - auio.uio_resid;
328 if (mp->msg_name) {
329 len = mp->msg_namelen;
330 if (len <= 0 || fromsa == 0)
331 len = 0;
332 else {
333 /* save sa_len before it is destroyed by MSG_COMPAT */
334 len = MIN(len, fromsa->sa_len);
335 error = copyout(fromsa,
336 (caddr_t)mp->msg_name, (unsigned)len);
337 if (error)
338 goto out;
339 }
340 mp->msg_namelen = len;
341 if (namelenp &&
342 (error = copyout((caddr_t)&len, namelenp, sizeof (int)))) {
343 goto out;
344 }
345 }
346 if (mp->msg_control) {
347 len = mp->msg_controllen;
348 m = control;
349 mp->msg_controllen = 0;
350 ctlbuf = (caddr_t) mp->msg_control;
351
352 while (m && len > 0) {
353 unsigned int tocopy;
354
355 if (len >= m->m_len)
356 tocopy = m->m_len;
357 else {
358 mp->msg_flags |= MSG_CTRUNC;
359 tocopy = len;
360 }
361
362 if ((error = copyout((caddr_t)mtod(m, caddr_t),
363 ctlbuf, tocopy)) != 0)
364 goto out;
365
366 ctlbuf += tocopy;
367 len -= tocopy;
368 m = m->m_next;
369 }
370 mp->msg_controllen = ctlbuf - (caddr_t)mp->msg_control;
371 }
372out:
373 if (fromsa)
374 FREE(fromsa, M_SONAME);
375 if (control)
376 m_freem(control);
377done1:
378 fputsock(so);
379 return (error);
380}
381
382#ifdef DEBUG_SVR4
383static void bufprint(u_char *, size_t);
384static int show_ioc(const char *, struct svr4_strioctl *);
385static int show_strbuf(struct svr4_strbuf *);
386static void show_msg(const char *, int, struct svr4_strbuf *,
387 struct svr4_strbuf *, int);
388
389static void
390bufprint(buf, len)
391 u_char *buf;
392 size_t len;
393{
394 size_t i;
395
396 uprintf("\n\t");
397 for (i = 0; i < len; i++) {
398 uprintf("%x ", buf[i]);
399 if (i && (i % 16) == 0)
400 uprintf("\n\t");
401 }
402}
403
404static int
405show_ioc(str, ioc)
406 const char *str;
407 struct svr4_strioctl *ioc;
408{
409 u_char *ptr = (u_char *) malloc(ioc->len, M_TEMP, M_WAITOK);
410 int error;
411
412 uprintf("%s cmd = %ld, timeout = %d, len = %d, buf = %p { ",
413 str, ioc->cmd, ioc->timeout, ioc->len, ioc->buf);
414
415 if ((error = copyin(ioc->buf, ptr, ioc->len)) != 0) {
416 free((char *) ptr, M_TEMP);
417 return error;
418 }
419
420 bufprint(ptr, ioc->len);
421
422 uprintf("}\n");
423
424 free((char *) ptr, M_TEMP);
425 return 0;
426}
427
428
429static int
430show_strbuf(str)
431 struct svr4_strbuf *str;
432{
433 int error;
434 u_char *ptr = NULL;
435 int maxlen = str->maxlen;
436 int len = str->len;
437
438 if (maxlen < 0)
439 maxlen = 0;
440
441 if (len >= maxlen)
442 len = maxlen;
443
444 if (len > 0) {
445 ptr = (u_char *) malloc(len, M_TEMP, M_WAITOK);
446
447 if ((error = copyin(str->buf, ptr, len)) != 0) {
448 free((char *) ptr, M_TEMP);
449 return error;
450 }
451 }
452
453 uprintf(", { %d, %d, %p=[ ", str->maxlen, str->len, str->buf);
454
455 if (ptr)
456 bufprint(ptr, len);
457
458 uprintf("]}");
459
460 if (ptr)
461 free((char *) ptr, M_TEMP);
462
463 return 0;
464}
465
466
467static void
468show_msg(str, fd, ctl, dat, flags)
469 const char *str;
470 int fd;
471 struct svr4_strbuf *ctl;
472 struct svr4_strbuf *dat;
473 int flags;
474{
475 struct svr4_strbuf buf;
476 int error;
477
478 uprintf("%s(%d", str, fd);
479 if (ctl != NULL) {
480 if ((error = copyin(ctl, &buf, sizeof(buf))) != 0)
481 return;
482 show_strbuf(&buf);
483 }
484 else
485 uprintf(", NULL");
486
487 if (dat != NULL) {
488 if ((error = copyin(dat, &buf, sizeof(buf))) != 0)
489 return;
490 show_strbuf(&buf);
491 }
492 else
493 uprintf(", NULL");
494
495 uprintf(", %x);\n", flags);
496}
497
498#endif /* DEBUG_SVR4 */
499
500/*
501 * We are faced with an interesting situation. On svr4 unix sockets
502 * are really pipes. But we really have sockets, and we might as
503 * well use them. At the point where svr4 calls TI_BIND, it has
504 * already created a named pipe for the socket using mknod(2).
505 * We need to create a socket with the same name when we bind,
506 * so we need to remove the pipe before, otherwise we'll get address
507 * already in use. So we *carefully* remove the pipe, to avoid
508 * using this as a random file removal tool. We use system calls
509 * to avoid code duplication.
510 */
511static int
512clean_pipe(td, path)
513 struct thread *td;
514 const char *path;
515{
516 struct lstat_args la;
517 struct unlink_args ua;
518 struct stat st;
519 int error;
520 caddr_t sg = stackgap_init();
521 size_t l = strlen(path) + 1;
522 void *tpath;
523
524 tpath = stackgap_alloc(&sg, l);
525 la.ub = stackgap_alloc(&sg, sizeof(struct stat));
526
527 if ((error = copyout(path, tpath, l)) != 0)
528 return error;
529
530 la.path = tpath;
531
532 if ((error = lstat(td, &la)) != 0)
533 return 0;
534
535 if ((error = copyin(la.ub, &st, sizeof(st))) != 0)
536 return 0;
537
538 /*
539 * Make sure we are dealing with a mode 0 named pipe.
540 */
541 if ((st.st_mode & S_IFMT) != S_IFIFO)
542 return 0;
543
544 if ((st.st_mode & ALLPERMS) != 0)
545 return 0;
546
547 ua.path = la.path;
548
549 if ((error = unlink(td, &ua)) != 0) {
550 DPRINTF(("clean_pipe: unlink failed %d\n", error));
551 return error;
552 }
553
554 return 0;
555}
556
557
558static void
559sockaddr_to_netaddr_in(sc, sain)
560 struct svr4_strmcmd *sc;
561 const struct sockaddr_in *sain;
562{
563 struct svr4_netaddr_in *na;
564 na = SVR4_ADDROF(sc);
565
566 na->family = sain->sin_family;
567 na->port = sain->sin_port;
568 na->addr = sain->sin_addr.s_addr;
569 DPRINTF(("sockaddr_in -> netaddr %d %d %lx\n", na->family, na->port,
570 na->addr));
571}
572
573
574static void
575sockaddr_to_netaddr_un(sc, saun)
576 struct svr4_strmcmd *sc;
577 const struct sockaddr_un *saun;
578{
579 struct svr4_netaddr_un *na;
580 char *dst, *edst = ((char *) sc) + sc->offs + sizeof(na->family) + 1 -
581 sizeof(*sc);
582 const char *src;
583
584 na = SVR4_ADDROF(sc);
585 na->family = saun->sun_family;
586 for (src = saun->sun_path, dst = na->path; (*dst++ = *src++) != '\0'; )
587 if (dst == edst)
588 break;
589 DPRINTF(("sockaddr_un -> netaddr %d %s\n", na->family, na->path));
590}
591
592
593static void
594netaddr_to_sockaddr_in(sain, sc)
595 struct sockaddr_in *sain;
596 const struct svr4_strmcmd *sc;
597{
598 const struct svr4_netaddr_in *na;
599
600
601 na = SVR4_C_ADDROF(sc);
602 memset(sain, 0, sizeof(*sain));
603 sain->sin_len = sizeof(*sain);
604 sain->sin_family = na->family;
605 sain->sin_port = na->port;
606 sain->sin_addr.s_addr = na->addr;
607 DPRINTF(("netaddr -> sockaddr_in %d %d %x\n", sain->sin_family,
608 sain->sin_port, sain->sin_addr.s_addr));
609}
610
611
612static void
613netaddr_to_sockaddr_un(saun, sc)
614 struct sockaddr_un *saun;
615 const struct svr4_strmcmd *sc;
616{
617 const struct svr4_netaddr_un *na;
618 char *dst, *edst = &saun->sun_path[sizeof(saun->sun_path) - 1];
619 const char *src;
620
621 na = SVR4_C_ADDROF(sc);
622 memset(saun, 0, sizeof(*saun));
623 saun->sun_family = na->family;
624 for (src = na->path, dst = saun->sun_path; (*dst++ = *src++) != '\0'; )
625 if (dst == edst)
626 break;
627 saun->sun_len = dst - saun->sun_path;
628 DPRINTF(("netaddr -> sockaddr_un %d %s\n", saun->sun_family,
629 saun->sun_path));
630}
631
632
633static void
634getparm(fp, pa)
635 struct file *fp;
636 struct svr4_si_sockparms *pa;
637{
638 struct svr4_strm *st;
639 struct socket *so;
640
641 st = svr4_stream_get(fp);
642 if (st == NULL)
643 return;
644
645 so = fp->f_data;
646
647 pa->family = st->s_family;
648
649 switch (so->so_type) {
650 case SOCK_DGRAM:
651 pa->type = SVR4_T_CLTS;
652 pa->protocol = IPPROTO_UDP;
653 DPRINTF(("getparm(dgram)\n"));
654 return;
655
656 case SOCK_STREAM:
657 pa->type = SVR4_T_COTS; /* What about T_COTS_ORD? XXX */
658 pa->protocol = IPPROTO_IP;
659 DPRINTF(("getparm(stream)\n"));
660 return;
661
662 case SOCK_RAW:
663 pa->type = SVR4_T_CLTS;
664 pa->protocol = IPPROTO_RAW;
665 DPRINTF(("getparm(raw)\n"));
666 return;
667
668 default:
669 pa->type = 0;
670 pa->protocol = 0;
671 DPRINTF(("getparm(type %d?)\n", so->so_type));
672 return;
673 }
674}
675
676
677static int
678si_ogetudata(fp, fd, ioc, td)
679 struct file *fp;
680 int fd;
681 struct svr4_strioctl *ioc;
682 struct thread *td;
683{
684 int error;
685 struct svr4_si_oudata ud;
686 struct svr4_si_sockparms pa;
687
688 if (ioc->len != sizeof(ud) && ioc->len != sizeof(ud) - sizeof(int)) {
689 DPRINTF(("SI_OGETUDATA: Wrong size %d != %d\n",
690 sizeof(ud), ioc->len));
691 return EINVAL;
692 }
693
694 if ((error = copyin(ioc->buf, &ud, sizeof(ud))) != 0)
695 return error;
696
697 getparm(fp, &pa);
698
699 switch (pa.family) {
700 case AF_INET:
701 ud.tidusize = 16384;
702 ud.addrsize = sizeof(struct svr4_sockaddr_in);
703 if (pa.type == SVR4_SOCK_STREAM)
704 ud.etsdusize = 1;
705 else
706 ud.etsdusize = 0;
707 break;
708
709 case AF_LOCAL:
710 ud.tidusize = 65536;
711 ud.addrsize = 128;
712 ud.etsdusize = 128;
713 break;
714
715 default:
716 DPRINTF(("SI_OGETUDATA: Unsupported address family %d\n",
717 pa.family));
718 return ENOSYS;
719 }
720
721 /* I have no idea what these should be! */
722 ud.optsize = 128;
723 ud.tsdusize = 128;
724
725 ud.servtype = pa.type;
726
727 /* XXX: Fixme */
728 ud.so_state = 0;
729 ud.so_options = 0;
730 return copyout(&ud, ioc->buf, ioc->len);
731}
732
733
734static int
735si_sockparams(fp, fd, ioc, td)
736 struct file *fp;
737 int fd;
738 struct svr4_strioctl *ioc;
739 struct thread *td;
740{
741 struct svr4_si_sockparms pa;
742
743 getparm(fp, &pa);
744 return copyout(&pa, ioc->buf, sizeof(pa));
745}
746
747
748static int
749si_listen(fp, fd, ioc, td)
750 struct file *fp;
751 int fd;
752 struct svr4_strioctl *ioc;
753 struct thread *td;
754{
755 int error;
756 struct svr4_strm *st = svr4_stream_get(fp);
757 struct svr4_strmcmd lst;
758 struct listen_args la;
759
760 if (st == NULL)
761 return EINVAL;
762
763 if ((error = copyin(ioc->buf, &lst, ioc->len)) != 0)
764 return error;
765
766 if (lst.cmd != SVR4_TI_OLD_BIND_REQUEST) {
767 DPRINTF(("si_listen: bad request %ld\n", lst.cmd));
768 return EINVAL;
769 }
770
771 /*
772 * We are making assumptions again...
773 */
774 la.s = fd;
775 DPRINTF(("SI_LISTEN: fileno %d backlog = %d\n", fd, 5));
776 la.backlog = 5;
777
778 if ((error = listen(td, &la)) != 0) {
779 DPRINTF(("SI_LISTEN: listen failed %d\n", error));
780 return error;
781 }
782
783 st->s_cmd = SVR4_TI__ACCEPT_WAIT;
784 lst.cmd = SVR4_TI_BIND_REPLY;
785
786 switch (st->s_family) {
787 case AF_INET:
788 /* XXX: Fill the length here */
789 break;
790
791 case AF_LOCAL:
792 lst.len = 140;
793 lst.pad[28] = 0x00000000; /* magic again */
794 lst.pad[29] = 0x00000800; /* magic again */
795 lst.pad[30] = 0x80001400; /* magic again */
796 break;
797
798 default:
799 DPRINTF(("SI_LISTEN: Unsupported address family %d\n",
800 st->s_family));
801 return ENOSYS;
802 }
803
804
805 if ((error = copyout(&lst, ioc->buf, ioc->len)) != 0)
806 return error;
807
808 return 0;
809}
810
811
812static int
813si_getudata(fp, fd, ioc, td)
814 struct file *fp;
815 int fd;
816 struct svr4_strioctl *ioc;
817 struct thread *td;
818{
819 int error;
820 struct svr4_si_udata ud;
821
822 if (sizeof(ud) != ioc->len) {
823 DPRINTF(("SI_GETUDATA: Wrong size %d != %d\n",
824 sizeof(ud), ioc->len));
825 return EINVAL;
826 }
827
828 if ((error = copyin(ioc->buf, &ud, sizeof(ud))) != 0)
829 return error;
830
831 getparm(fp, &ud.sockparms);
832
833 switch (ud.sockparms.family) {
834 case AF_INET:
835 DPRINTF(("getudata_inet\n"));
836 ud.tidusize = 16384;
837 ud.tsdusize = 16384;
838 ud.addrsize = sizeof(struct svr4_sockaddr_in);
839 if (ud.sockparms.type == SVR4_SOCK_STREAM)
840 ud.etsdusize = 1;
841 else
842 ud.etsdusize = 0;
843 ud.optsize = 0;
844 break;
845
846 case AF_LOCAL:
847 DPRINTF(("getudata_local\n"));
848 ud.tidusize = 65536;
849 ud.tsdusize = 128;
850 ud.addrsize = 128;
851 ud.etsdusize = 128;
852 ud.optsize = 128;
853 break;
854
855 default:
856 DPRINTF(("SI_GETUDATA: Unsupported address family %d\n",
857 ud.sockparms.family));
858 return ENOSYS;
859 }
860
861
862 ud.servtype = ud.sockparms.type;
863 DPRINTF(("ud.servtype = %d\n", ud.servtype));
864 /* XXX: Fixme */
865 ud.so_state = 0;
866 ud.so_options = 0;
867 return copyout(&ud, ioc->buf, sizeof(ud));
868}
869
870
871static int
872si_shutdown(fp, fd, ioc, td)
873 struct file *fp;
874 int fd;
875 struct svr4_strioctl *ioc;
876 struct thread *td;
877{
878 int error;
879 struct shutdown_args ap;
880
881 if (ioc->len != sizeof(ap.how)) {
882 DPRINTF(("SI_SHUTDOWN: Wrong size %d != %d\n",
883 sizeof(ap.how), ioc->len));
884 return EINVAL;
885 }
886
887 if ((error = copyin(ioc->buf, &ap.how, ioc->len)) != 0)
888 return error;
889
890 ap.s = fd;
891
892 return shutdown(td, &ap);
893}
894
895
896static int
897sockmod(fp, fd, ioc, td)
898 struct file *fp;
899 int fd;
900 struct svr4_strioctl *ioc;
901 struct thread *td;
902{
903 switch (ioc->cmd) {
904 case SVR4_SI_OGETUDATA:
905 DPRINTF(("SI_OGETUDATA\n"));
906 return si_ogetudata(fp, fd, ioc, td);
907
908 case SVR4_SI_SHUTDOWN:
909 DPRINTF(("SI_SHUTDOWN\n"));
910 return si_shutdown(fp, fd, ioc, td);
911
912 case SVR4_SI_LISTEN:
913 DPRINTF(("SI_LISTEN\n"));
914 return si_listen(fp, fd, ioc, td);
915
916 case SVR4_SI_SETMYNAME:
917 DPRINTF(("SI_SETMYNAME\n"));
918 return 0;
919
920 case SVR4_SI_SETPEERNAME:
921 DPRINTF(("SI_SETPEERNAME\n"));
922 return 0;
923
924 case SVR4_SI_GETINTRANSIT:
925 DPRINTF(("SI_GETINTRANSIT\n"));
926 return 0;
927
928 case SVR4_SI_TCL_LINK:
929 DPRINTF(("SI_TCL_LINK\n"));
930 return 0;
931
932 case SVR4_SI_TCL_UNLINK:
933 DPRINTF(("SI_TCL_UNLINK\n"));
934 return 0;
935
936 case SVR4_SI_SOCKPARAMS:
937 DPRINTF(("SI_SOCKPARAMS\n"));
938 return si_sockparams(fp, fd, ioc, td);
939
940 case SVR4_SI_GETUDATA:
941 DPRINTF(("SI_GETUDATA\n"));
942 return si_getudata(fp, fd, ioc, td);
943
944 default:
945 DPRINTF(("Unknown sockmod ioctl %lx\n", ioc->cmd));
946 return 0;
947
948 }
949}
950
951
952static int
953ti_getinfo(fp, fd, ioc, td)
954 struct file *fp;
955 int fd;
956 struct svr4_strioctl *ioc;
957 struct thread *td;
958{
959 int error;
960 struct svr4_infocmd info;
961
962 memset(&info, 0, sizeof(info));
963
964 if ((error = copyin(ioc->buf, &info, ioc->len)) != 0)
965 return error;
966
967 if (info.cmd != SVR4_TI_INFO_REQUEST)
968 return EINVAL;
969
970 info.cmd = SVR4_TI_INFO_REPLY;
971 info.tsdu = 0;
972 info.etsdu = 1;
973 info.cdata = -2;
974 info.ddata = -2;
975 info.addr = 16;
976 info.opt = -1;
977 info.tidu = 16384;
978 info.serv = 2;
979 info.current = 0;
980 info.provider = 2;
981
982 ioc->len = sizeof(info);
983 if ((error = copyout(&info, ioc->buf, ioc->len)) != 0)
984 return error;
985
986 return 0;
987}
988
989
990static int
991ti_bind(fp, fd, ioc, td)
992 struct file *fp;
993 int fd;
994 struct svr4_strioctl *ioc;
995 struct thread *td;
996{
997 int error;
998 struct svr4_strm *st = svr4_stream_get(fp);
999 struct sockaddr_in sain;
1000 struct sockaddr_un saun;
1001 caddr_t sg;
1002 void *skp, *sup = NULL;
1003 int sasize;
1004 struct svr4_strmcmd bnd;
1005 struct bind_args ba;
1006
1007 if (st == NULL) {
1008 DPRINTF(("ti_bind: bad file descriptor\n"));
1009 return EINVAL;
1010 }
1011
1012 if ((error = copyin(ioc->buf, &bnd, ioc->len)) != 0)
1013 return error;
1014
1015 if (bnd.cmd != SVR4_TI_OLD_BIND_REQUEST) {
1016 DPRINTF(("ti_bind: bad request %ld\n", bnd.cmd));
1017 return EINVAL;
1018 }
1019
1020 switch (st->s_family) {
1021 case AF_INET:
1022 skp = &sain;
1023 sasize = sizeof(sain);
1024
1025 if (bnd.offs == 0)
1026 goto reply;
1027
1028 netaddr_to_sockaddr_in(&sain, &bnd);
1029
1030 DPRINTF(("TI_BIND: fam %d, port %d, addr %x\n",
1031 sain.sin_family, sain.sin_port,
1032 sain.sin_addr.s_addr));
1033 break;
1034
1035 case AF_LOCAL:
1036 skp = &saun;
1037 sasize = sizeof(saun);
1038 if (bnd.offs == 0)
1039 goto reply;
1040
1041 netaddr_to_sockaddr_un(&saun, &bnd);
1042
1043 if (saun.sun_path[0] == '\0')
1044 goto reply;
1045
1046 DPRINTF(("TI_BIND: fam %d, path %s\n",
1047 saun.sun_family, saun.sun_path));
1048
1049 if ((error = clean_pipe(td, saun.sun_path)) != 0)
1050 return error;
1051
1052 bnd.pad[28] = 0x00001000; /* magic again */
1053 break;
1054
1055 default:
1056 DPRINTF(("TI_BIND: Unsupported address family %d\n",
1057 st->s_family));
1058 return ENOSYS;
1059 }
1060
1061 sg = stackgap_init();
1062 sup = stackgap_alloc(&sg, sasize);
1063
1064 if ((error = copyout(skp, sup, sasize)) != 0)
1065 return error;
1066
1067 ba.s = fd;
1068 DPRINTF(("TI_BIND: fileno %d\n", fd));
1069 ba.name = (void *) sup;
1070 ba.namelen = sasize;
1071
1072 if ((error = bind(td, &ba)) != 0) {
1073 DPRINTF(("TI_BIND: bind failed %d\n", error));
1074 return error;
1075 }
1076
1077reply:
1078 if (sup == NULL) {
1079 memset(&bnd, 0, sizeof(bnd));
1080 bnd.len = sasize + 4;
1081 bnd.offs = 0x10; /* XXX */
1082 }
1083
1084 bnd.cmd = SVR4_TI_BIND_REPLY;
1085
1086 if ((error = copyout(&bnd, ioc->buf, ioc->len)) != 0)
1087 return error;
1088
1089 return 0;
1090}
1091
1092
1093static int
1094timod(fp, fd, ioc, td)
1095 struct file *fp;
1096 int fd;
1097 struct svr4_strioctl *ioc;
1098 struct thread *td;
1099{
1100 switch (ioc->cmd) {
1101 case SVR4_TI_GETINFO:
1102 DPRINTF(("TI_GETINFO\n"));
1103 return ti_getinfo(fp, fd, ioc, td);
1104
1105 case SVR4_TI_OPTMGMT:
1106 DPRINTF(("TI_OPTMGMT\n"));
1107 return 0;
1108
1109 case SVR4_TI_BIND:
1110 DPRINTF(("TI_BIND\n"));
1111 return ti_bind(fp, fd, ioc, td);
1112
1113 case SVR4_TI_UNBIND:
1114 DPRINTF(("TI_UNBIND\n"));
1115 return 0;
1116
1117 default:
1118 DPRINTF(("Unknown timod ioctl %lx\n", ioc->cmd));
1119 return 0;
1120 }
1121}
1122
1123
1124int
1125svr4_stream_ti_ioctl(fp, td, retval, fd, cmd, dat)
1126 struct file *fp;
1127 struct thread *td;
1128 register_t *retval;
1129 int fd;
1130 u_long cmd;
1131 caddr_t dat;
1132{
1133 struct svr4_strbuf skb, *sub = (struct svr4_strbuf *) dat;
1134 struct svr4_strm *st = svr4_stream_get(fp);
1135 int error;
1136 void *skp, *sup;
1137 struct sockaddr_in sain;
1138 struct sockaddr_un saun;
1139 struct svr4_strmcmd sc;
1140 int sasize;
1141 caddr_t sg;
1142 int *lenp;
1143
1144 DPRINTF(("svr4_stream_ti_ioctl\n"));
1145
1146 if (st == NULL)
1147 return EINVAL;
1148
1149 sc.offs = 0x10;
1150
1151 if ((error = copyin(sub, &skb, sizeof(skb))) != 0) {
1152 DPRINTF(("ti_ioctl: error copying in strbuf\n"));
1153 return error;
1154 }
1155
1156 switch (st->s_family) {
1157 case AF_INET:
1158 skp = &sain;
1159 sasize = sizeof(sain);
1160 break;
1161
1162 case AF_LOCAL:
1163 skp = &saun;
1164 sasize = sizeof(saun);
1165 break;
1166
1167 default:
1168 DPRINTF(("ti_ioctl: Unsupported address family %d\n",
1169 st->s_family));
1170 return ENOSYS;
1171 }
1172
1173 sg = stackgap_init();
1174 sup = stackgap_alloc(&sg, sasize);
1175 lenp = stackgap_alloc(&sg, sizeof(*lenp));
1176
1177 if ((error = copyout(&sasize, lenp, sizeof(*lenp))) != 0) {
1178 DPRINTF(("ti_ioctl: error copying out lenp\n"));
1179 return error;
1180 }
1181
1182 switch (cmd) {
1183 case SVR4_TI_GETMYNAME:
1184 DPRINTF(("TI_GETMYNAME\n"));
1185 {
1186 struct getsockname_args ap;
1187 ap.fdes = fd;
1188 ap.asa = sup;
1189 ap.alen = lenp;
1190 if ((error = getsockname(td, &ap)) != 0) {
1191 DPRINTF(("ti_ioctl: getsockname error\n"));
1192 return error;
1193 }
1194 }
1195 break;
1196
1197 case SVR4_TI_GETPEERNAME:
1198 DPRINTF(("TI_GETPEERNAME\n"));
1199 {
1200 struct getpeername_args ap;
1201 ap.fdes = fd;
1202 ap.asa = sup;
1203 ap.alen = lenp;
1204 if ((error = getpeername(td, &ap)) != 0) {
1205 DPRINTF(("ti_ioctl: getpeername error\n"));
1206 return error;
1207 }
1208 }
1209 break;
1210
1211 case SVR4_TI_SETMYNAME:
1212 DPRINTF(("TI_SETMYNAME\n"));
1213 return 0;
1214
1215 case SVR4_TI_SETPEERNAME:
1216 DPRINTF(("TI_SETPEERNAME\n"));
1217 return 0;
1218 default:
1219 DPRINTF(("ti_ioctl: Unknown ioctl %lx\n", cmd));
1220 return ENOSYS;
1221 }
1222
1223 if ((error = copyin(sup, skp, sasize)) != 0) {
1224 DPRINTF(("ti_ioctl: error copying in socket data\n"));
1225 return error;
1226 }
1227
1228 if ((error = copyin(lenp, &sasize, sizeof(*lenp))) != 0) {
1229 DPRINTF(("ti_ioctl: error copying in socket size\n"));
1230 return error;
1231 }
1232
1233 switch (st->s_family) {
1234 case AF_INET:
1235 sockaddr_to_netaddr_in(&sc, &sain);
1236 skb.len = sasize;
1237 break;
1238
1239 case AF_LOCAL:
1240 sockaddr_to_netaddr_un(&sc, &saun);
1241 skb.len = sasize + 4;
1242 break;
1243
1244 default:
1245 return ENOSYS;
1246 }
1247
1248
1249 if ((error = copyout(SVR4_ADDROF(&sc), skb.buf, sasize)) != 0) {
1250 DPRINTF(("ti_ioctl: error copying out socket data\n"));
1251 return error;
1252 }
1253
1254
1255 if ((error = copyout(&skb, sub, sizeof(skb))) != 0) {
1256 DPRINTF(("ti_ioctl: error copying out strbuf\n"));
1257 return error;
1258 }
1259
1260 return error;
1261}
1262
1263
1264
1265
1266static int
1267i_nread(fp, td, retval, fd, cmd, dat)
1268 struct file *fp;
1269 struct thread *td;
1270 register_t *retval;
1271 int fd;
1272 u_long cmd;
1273 caddr_t dat;
1274{
1275 int error;
1276 int nread = 0;
1277
1278 /*
1279 * We are supposed to return the message length in nread, and the
1280 * number of messages in retval. We don't have the notion of number
1281 * of stream messages, so we just find out if we have any bytes waiting
1282 * for us, and if we do, then we assume that we have at least one
1283 * message waiting for us.
1284 */
1285 if ((error = fo_ioctl(fp, FIONREAD, (caddr_t) &nread, td->td_ucred,
1286 td)) != 0)
1287 return error;
1288
1289 if (nread != 0)
1290 *retval = 1;
1291 else
1292 *retval = 0;
1293
1294 return copyout(&nread, dat, sizeof(nread));
1295}
1296
1297static int
1298i_fdinsert(fp, td, retval, fd, cmd, dat)
1299 struct file *fp;
1300 struct thread *td;
1301 register_t *retval;
1302 int fd;
1303 u_long cmd;
1304 caddr_t dat;
1305{
1306 /*
1307 * Major hack again here. We assume that we are using this to
1308 * implement accept(2). If that is the case, we have already
1309 * called accept, and we have stored the file descriptor in
1310 * afd. We find the file descriptor that the code wants to use
1311 * in fd insert, and then we dup2() our accepted file descriptor
1312 * to it.
1313 */
1314 int error;
1315 struct svr4_strm *st = svr4_stream_get(fp);
1316 struct svr4_strfdinsert fdi;
1317 struct dup2_args d2p;
1318 struct close_args clp;
1319
1320 if (st == NULL) {
1321 DPRINTF(("fdinsert: bad file type\n"));
1322 return EINVAL;
1323 }
1324
1325 if (st->s_afd == -1) {
1326 DPRINTF(("fdinsert: accept fd not found\n"));
1327 return ENOENT;
1328 }
1329
1330 if ((error = copyin(dat, &fdi, sizeof(fdi))) != 0) {
1331 DPRINTF(("fdinsert: copyin failed %d\n", error));
1332 return error;
1333 }
1334
1335 d2p.from = st->s_afd;
1336 d2p.to = fdi.fd;
1337
1338 if ((error = dup2(td, &d2p)) != 0) {
1339 DPRINTF(("fdinsert: dup2(%d, %d) failed %d\n",
1340 st->s_afd, fdi.fd, error));
1341 return error;
1342 }
1343
1344 clp.fd = st->s_afd;
1345
1346 if ((error = close(td, &clp)) != 0) {
1347 DPRINTF(("fdinsert: close(%d) failed %d\n",
1348 st->s_afd, error));
1349 return error;
1350 }
1351
1352 st->s_afd = -1;
1353
1354 *retval = 0;
1355 return 0;
1356}
1357
1358
1359static int
1360_i_bind_rsvd(fp, td, retval, fd, cmd, dat)
1361 struct file *fp;
1362 struct thread *td;
1363 register_t *retval;
1364 int fd;
1365 u_long cmd;
1366 caddr_t dat;
1367{
1368 struct mkfifo_args ap;
1369
1370 /*
1371 * This is a supposed to be a kernel and library only ioctl.
1372 * It gets called before ti_bind, when we have a unix
1373 * socket, to physically create the socket transport and
1374 * ``reserve'' it. I don't know how this get reserved inside
1375 * the kernel, but we are going to create it nevertheless.
1376 */
1377 ap.path = dat;
1378 ap.mode = S_IFIFO;
1379
1380 return mkfifo(td, &ap);
1381}
1382
1383static int
1384_i_rele_rsvd(fp, td, retval, fd, cmd, dat)
1385 struct file *fp;
1386 struct thread *td;
1387 register_t *retval;
1388 int fd;
1389 u_long cmd;
1390 caddr_t dat;
1391{
1392 struct unlink_args ap;
1393
1394 /*
1395 * This is a supposed to be a kernel and library only ioctl.
1396 * I guess it is supposed to release the socket.
1397 */
1398 ap.path = dat;
1399
1400 return unlink(td, &ap);
1401}
1402
1403static int
1404i_str(fp, td, retval, fd, cmd, dat)
1405 struct file *fp;
1406 struct thread *td;
1407 register_t *retval;
1408 int fd;
1409 u_long cmd;
1410 caddr_t dat;
1411{
1412 int error;
1413 struct svr4_strioctl ioc;
1414
1415 if ((error = copyin(dat, &ioc, sizeof(ioc))) != 0)
1416 return error;
1417
1418#ifdef DEBUG_SVR4
1419 if ((error = show_ioc(">", &ioc)) != 0)
1420 return error;
1421#endif /* DEBUG_SVR4 */
1422
1423 switch (ioc.cmd & 0xff00) {
1424 case SVR4_SIMOD:
1425 if ((error = sockmod(fp, fd, &ioc, td)) != 0)
1426 return error;
1427 break;
1428
1429 case SVR4_TIMOD:
1430 if ((error = timod(fp, fd, &ioc, td)) != 0)
1431 return error;
1432 break;
1433
1434 default:
1435 DPRINTF(("Unimplemented module %c %ld\n",
1436 (char) (cmd >> 8), cmd & 0xff));
1437 return 0;
1438 }
1439
1440#ifdef DEBUG_SVR4
1441 if ((error = show_ioc("<", &ioc)) != 0)
1442 return error;
1443#endif /* DEBUG_SVR4 */
1444 return copyout(&ioc, dat, sizeof(ioc));
1445}
1446
1447static int
1448i_setsig(fp, td, retval, fd, cmd, dat)
1449 struct file *fp;
1450 struct thread *td;
1451 register_t *retval;
1452 int fd;
1453 u_long cmd;
1454 caddr_t dat;
1455{
1456 /*
1457 * This is the best we can do for now; we cannot generate
1458 * signals only for specific events so the signal mask gets
1459 * ignored; we save it just to pass it to a possible I_GETSIG...
1460 *
1461 * We alse have to fix the O_ASYNC fcntl bit, so the
1462 * process will get SIGPOLLs.
1463 */
1464 struct fcntl_args fa;
1465 int error;
1466 register_t oflags, flags;
1467 struct svr4_strm *st = svr4_stream_get(fp);
1468
1469 if (st == NULL) {
1470 DPRINTF(("i_setsig: bad file descriptor\n"));
1471 return EINVAL;
1472 }
1473 /* get old status flags */
1474 fa.fd = fd;
1475 fa.cmd = F_GETFL;
1476 if ((error = fcntl(td, &fa)) != 0)
1477 return error;
1478
1479 oflags = td->td_retval[0];
1480
1481 /* update the flags */
1482 if (dat != NULL) {
1483 int mask;
1484
1485 flags = oflags | O_ASYNC;
1486 if ((error = copyin(dat, &mask, sizeof(mask))) != 0) {
1487 DPRINTF(("i_setsig: bad eventmask pointer\n"));
1488 return error;
1489 }
1490 if (mask & SVR4_S_ALLMASK) {
1491 DPRINTF(("i_setsig: bad eventmask data %x\n", mask));
1492 return EINVAL;
1493 }
1494 st->s_eventmask = mask;
1495 }
1496 else {
1497 flags = oflags & ~O_ASYNC;
1498 st->s_eventmask = 0;
1499 }
1500
1501 /* set the new flags, if changed */
1502 if (flags != oflags) {
1503 fa.cmd = F_SETFL;
1504 fa.arg = (long) flags;
1505 if ((error = fcntl(td, &fa)) != 0)
1506 return error;
1507 flags = td->td_retval[0];
1508 }
1509
1510 /* set up SIGIO receiver if needed */
1511 if (dat != NULL) {
1512 fa.cmd = F_SETOWN;
1513 fa.arg = (long) td->td_proc->p_pid;
1514 return fcntl(td, &fa);
1515 }
1516 return 0;
1517}
1518
1519static int
1520i_getsig(fp, td, retval, fd, cmd, dat)
1521 struct file *fp;
1522 struct thread *td;
1523 register_t *retval;
1524 int fd;
1525 u_long cmd;
1526 caddr_t dat;
1527{
1528 int error;
1529
1530 if (dat != NULL) {
1531 struct svr4_strm *st = svr4_stream_get(fp);
1532
1533 if (st == NULL) {
1534 DPRINTF(("i_getsig: bad file descriptor\n"));
1535 return EINVAL;
1536 }
1537 if ((error = copyout(&st->s_eventmask, dat,
1538 sizeof(st->s_eventmask))) != 0) {
1539 DPRINTF(("i_getsig: bad eventmask pointer\n"));
1540 return error;
1541 }
1542 }
1543 return 0;
1544}
1545
1546int
1547svr4_stream_ioctl(fp, td, retval, fd, cmd, dat)
1548 struct file *fp;
1549 struct thread *td;
1550 register_t *retval;
1551 int fd;
1552 u_long cmd;
1553 caddr_t dat;
1554{
1555 *retval = 0;
1556
1557 /*
1558 * All the following stuff assumes "sockmod" is pushed...
1559 */
1560 switch (cmd) {
1561 case SVR4_I_NREAD:
1562 DPRINTF(("I_NREAD\n"));
1563 return i_nread(fp, td, retval, fd, cmd, dat);
1564
1565 case SVR4_I_PUSH:
1566 DPRINTF(("I_PUSH %p\n", dat));
1567#if defined(DEBUG_SVR4)
1568 show_strbuf((struct svr4_strbuf *)dat);
1569#endif
1570 return 0;
1571
1572 case SVR4_I_POP:
1573 DPRINTF(("I_POP\n"));
1574 return 0;
1575
1576 case SVR4_I_LOOK:
1577 DPRINTF(("I_LOOK\n"));
1578 return 0;
1579
1580 case SVR4_I_FLUSH:
1581 DPRINTF(("I_FLUSH\n"));
1582 return 0;
1583
1584 case SVR4_I_SRDOPT:
1585 DPRINTF(("I_SRDOPT\n"));
1586 return 0;
1587
1588 case SVR4_I_GRDOPT:
1589 DPRINTF(("I_GRDOPT\n"));
1590 return 0;
1591
1592 case SVR4_I_STR:
1593 DPRINTF(("I_STR\n"));
1594 return i_str(fp, td, retval, fd, cmd, dat);
1595
1596 case SVR4_I_SETSIG:
1597 DPRINTF(("I_SETSIG\n"));
1598 return i_setsig(fp, td, retval, fd, cmd, dat);
1599
1600 case SVR4_I_GETSIG:
1601 DPRINTF(("I_GETSIG\n"));
1602 return i_getsig(fp, td, retval, fd, cmd, dat);
1603
1604 case SVR4_I_FIND:
1605 DPRINTF(("I_FIND\n"));
1606 /*
1607 * Here we are not pushing modules really, we just
1608 * pretend all are present
1609 */
1610 *retval = 0;
1611 return 0;
1612
1613 case SVR4_I_LINK:
1614 DPRINTF(("I_LINK\n"));
1615 return 0;
1616
1617 case SVR4_I_UNLINK:
1618 DPRINTF(("I_UNLINK\n"));
1619 return 0;
1620
1621 case SVR4_I_ERECVFD:
1622 DPRINTF(("I_ERECVFD\n"));
1623 return 0;
1624
1625 case SVR4_I_PEEK:
1626 DPRINTF(("I_PEEK\n"));
1627 return 0;
1628
1629 case SVR4_I_FDINSERT:
1630 DPRINTF(("I_FDINSERT\n"));
1631 return i_fdinsert(fp, td, retval, fd, cmd, dat);
1632
1633 case SVR4_I_SENDFD:
1634 DPRINTF(("I_SENDFD\n"));
1635 return 0;
1636
1637 case SVR4_I_RECVFD:
1638 DPRINTF(("I_RECVFD\n"));
1639 return 0;
1640
1641 case SVR4_I_SWROPT:
1642 DPRINTF(("I_SWROPT\n"));
1643 return 0;
1644
1645 case SVR4_I_GWROPT:
1646 DPRINTF(("I_GWROPT\n"));
1647 return 0;
1648
1649 case SVR4_I_LIST:
1650 DPRINTF(("I_LIST\n"));
1651 return 0;
1652
1653 case SVR4_I_PLINK:
1654 DPRINTF(("I_PLINK\n"));
1655 return 0;
1656
1657 case SVR4_I_PUNLINK:
1658 DPRINTF(("I_PUNLINK\n"));
1659 return 0;
1660
1661 case SVR4_I_SETEV:
1662 DPRINTF(("I_SETEV\n"));
1663 return 0;
1664
1665 case SVR4_I_GETEV:
1666 DPRINTF(("I_GETEV\n"));
1667 return 0;
1668
1669 case SVR4_I_STREV:
1670 DPRINTF(("I_STREV\n"));
1671 return 0;
1672
1673 case SVR4_I_UNSTREV:
1674 DPRINTF(("I_UNSTREV\n"));
1675 return 0;
1676
1677 case SVR4_I_FLUSHBAND:
1678 DPRINTF(("I_FLUSHBAND\n"));
1679 return 0;
1680
1681 case SVR4_I_CKBAND:
1682 DPRINTF(("I_CKBAND\n"));
1683 return 0;
1684
1685 case SVR4_I_GETBAND:
1686 DPRINTF(("I_GETBANK\n"));
1687 return 0;
1688
1689 case SVR4_I_ATMARK:
1690 DPRINTF(("I_ATMARK\n"));
1691 return 0;
1692
1693 case SVR4_I_SETCLTIME:
1694 DPRINTF(("I_SETCLTIME\n"));
1695 return 0;
1696
1697 case SVR4_I_GETCLTIME:
1698 DPRINTF(("I_GETCLTIME\n"));
1699 return 0;
1700
1701 case SVR4_I_CANPUT:
1702 DPRINTF(("I_CANPUT\n"));
1703 return 0;
1704
1705 case SVR4__I_BIND_RSVD:
1706 DPRINTF(("_I_BIND_RSVD\n"));
1707 return _i_bind_rsvd(fp, td, retval, fd, cmd, dat);
1708
1709 case SVR4__I_RELE_RSVD:
1710 DPRINTF(("_I_RELE_RSVD\n"));
1711 return _i_rele_rsvd(fp, td, retval, fd, cmd, dat);
1712
1713 default:
1714 DPRINTF(("unimpl cmd = %lx\n", cmd));
1715 break;
1716 }
1717
1718 return 0;
1719}
1720
1721
1722
1723int
1724svr4_sys_putmsg(td, uap)
1725 register struct thread *td;
1726 struct svr4_sys_putmsg_args *uap;
1727{
1728 struct file *fp;
1729 int error;
1730
1731 if ((error = fget(td, uap->fd, &fp)) != 0) {
1732#ifdef DEBUG_SVR4
1733 uprintf("putmsg: bad fp\n");
1734#endif
1735 return EBADF;
1736 }
1737 error = svr4_do_putmsg(td, uap, fp);
1738 fdrop(fp, td);
1739 return (error);
1740}
1741
1742static int
1743svr4_do_putmsg(td, uap, fp)
1744 struct thread *td;
1745 struct svr4_sys_putmsg_args *uap;
1746 struct file *fp;
1747{
1748 struct svr4_strbuf dat, ctl;
1749 struct svr4_strmcmd sc;
1750 struct sockaddr_in sain;
1751 struct sockaddr_un saun;
1752 void *skp, *sup;
1753 int sasize, *retval;
1754 struct svr4_strm *st;
1755 int error;
1756 caddr_t sg;
1757
1758 retval = td->td_retval;
1759
1760#ifdef DEBUG_SVR4
1761 show_msg(">putmsg", uap->fd, uap->ctl,
1762 uap->dat, uap->flags);
1763#endif /* DEBUG_SVR4 */
1764
1765 FILE_LOCK_ASSERT(fp, MA_NOTOWNED);
1766
1767 if (uap->ctl != NULL) {
1768 if ((error = copyin(uap->ctl, &ctl, sizeof(ctl))) != 0) {
1769#ifdef DEBUG_SVR4
1770 uprintf("putmsg: copyin(): %d\n", error);
1771#endif
1772 return error;
1773 }
1774 }
1775 else
1776 ctl.len = -1;
1777
1778 if (uap->dat != NULL) {
1779 if ((error = copyin(uap->dat, &dat, sizeof(dat))) != 0) {
1780#ifdef DEBUG_SVR4
1781 uprintf("putmsg: copyin(): %d (2)\n", error);
1782#endif
1783 return error;
1784 }
1785 }
1786 else
1787 dat.len = -1;
1788
1789 /*
1790 * Only for sockets for now.
1791 */
1792 if ((st = svr4_stream_get(fp)) == NULL) {
1793 DPRINTF(("putmsg: bad file type\n"));
1794 return EINVAL;
1795 }
1796
1797 if (ctl.len > sizeof(sc)) {
1798 DPRINTF(("putmsg: Bad control size %d != %d\n", ctl.len,
1799 sizeof(struct svr4_strmcmd)));
1800 return EINVAL;
1801 }
1802
1803 if ((error = copyin(ctl.buf, &sc, ctl.len)) != 0)
1804 return error;
1805
1806 switch (st->s_family) {
1807 case AF_INET:
1808 if (sc.len != sizeof(sain)) {
1809 if (sc.cmd == SVR4_TI_DATA_REQUEST) {
1810 struct write_args wa;
1811
1812 /* Solaris seems to use sc.cmd = 3 to
1813 * send "expedited" data. telnet uses
1814 * this for options processing, sending EOF,
1815 * etc. I'm sure other things use it too.
1816 * I don't have any documentation
1817 * on it, so I'm making a guess that this
1818 * is how it works. newton@atdot.dotat.org XXX
1819 */
1820 DPRINTF(("sending expedited data ??\n"));
1821 wa.fd = uap->fd;
1822 wa.buf = dat.buf;
1823 wa.nbyte = dat.len;
1824 return write(td, &wa);
1825 }
1826 DPRINTF(("putmsg: Invalid inet length %ld\n", sc.len));
1827 return EINVAL;
1828 }
1829 netaddr_to_sockaddr_in(&sain, &sc);
1830 skp = &sain;
1831 sasize = sizeof(sain);
1832 error = sain.sin_family != st->s_family;
1833 break;
1834
1835 case AF_LOCAL:
1836 if (ctl.len == 8) {
1837 /* We are doing an accept; succeed */
1838 DPRINTF(("putmsg: Do nothing\n"));
1839 *retval = 0;
1840 return 0;
1841 }
1842 else {
1843 /* Maybe we've been given a device/inode pair */
1844 udev_t *dev = SVR4_ADDROF(&sc);
1845 ino_t *ino = (ino_t *) &dev[1];
1846 skp = svr4_find_socket(td, fp, *dev, *ino);
1847 if (skp == NULL) {
1848 skp = &saun;
1849 /* I guess we have it by name */
1850 netaddr_to_sockaddr_un(skp, &sc);
1851 }
1852 sasize = sizeof(saun);
1853 }
1854 break;
1855
1856 default:
1857 DPRINTF(("putmsg: Unsupported address family %d\n",
1858 st->s_family));
1859 return ENOSYS;
1860 }
1861
1862 sg = stackgap_init();
1863 sup = stackgap_alloc(&sg, sasize);
1864
1865 if ((error = copyout(skp, sup, sasize)) != 0)
1866 return error;
1867
1868 switch (st->s_cmd = sc.cmd) {
1869 case SVR4_TI_CONNECT_REQUEST: /* connect */
1870 {
1871 struct connect_args co;
1872
1873 co.s = uap->fd;
1874 co.name = (void *) sup;
1875 co.namelen = (int) sasize;
1876
1877 return connect(td, &co);
1878 }
1879
1880 case SVR4_TI_SENDTO_REQUEST: /* sendto */
1881 {
1882 struct msghdr msg;
1883 struct iovec aiov;
1884
1885 msg.msg_name = (caddr_t) sup;
1886 msg.msg_namelen = sasize;
1887 msg.msg_iov = &aiov;
1888 msg.msg_iovlen = 1;
1889 msg.msg_control = 0;
1890 msg.msg_flags = 0;
1891 aiov.iov_base = dat.buf;
1892 aiov.iov_len = dat.len;
1893#if 0
1894 error = so->so_proto->pr_usrreqs->pru_sosend(so, 0,
1895 uio, 0, 0, 0, uio->uio_td);
1896#endif
1897 error = svr4_sendit(td, uap->fd, &msg,
1898 uap->flags);
1899 DPRINTF(("sendto_request error: %d\n", error));
1900 *retval = 0;
1901 return error;
1902 }
1903
1904 default:
1905 DPRINTF(("putmsg: Unimplemented command %lx\n", sc.cmd));
1906 return ENOSYS;
1907 }
1908}
1909
1910int
1911svr4_sys_getmsg(td, uap)
1912 struct thread *td;
1913 struct svr4_sys_getmsg_args *uap;
1914{
1915 struct file *fp;
1916 int error;
1917
1918 if ((error = fget(td, uap->fd, &fp)) != 0) {
1919#ifdef DEBUG_SVR4
1920 uprintf("getmsg: bad fp\n");
1921#endif
1922 return EBADF;
1923 }
1924 error = svr4_do_getmsg(td, uap, fp);
1925 fdrop(fp, td);
1926 return (error);
1927}
1928
1929int
1930svr4_do_getmsg(td, uap, fp)
1931 register struct thread *td;
1932 struct svr4_sys_getmsg_args *uap;
1933 struct file *fp;
1934{
1935 struct getpeername_args ga;
1936 struct accept_args aa;
1937 struct svr4_strbuf dat, ctl;
1938 struct svr4_strmcmd sc;
1939 int error, *retval;
1940 struct msghdr msg;
1941 struct iovec aiov;
1942 struct sockaddr_in sain;
1943 struct sockaddr_un saun;
1944 void *skp, *sup;
1945 int sasize;
1946 struct svr4_strm *st;
1947 int *flen;
1948 int fl;
1949 caddr_t sg;
1950
1951 retval = td->td_retval;
1952
1953 FILE_LOCK_ASSERT(fp, MA_NOTOWNED);
1954
1955 memset(&sc, 0, sizeof(sc));
1956
1957#ifdef DEBUG_SVR4
1958 show_msg(">getmsg", uap->fd, uap->ctl,
1959 uap->dat, 0);
1960#endif /* DEBUG_SVR4 */
1961
1962 if (uap->ctl != NULL) {
1963 if ((error = copyin(uap->ctl, &ctl, sizeof(ctl))) != 0)
1964 return error;
1965 }
1966 else {
1967 ctl.len = -1;
1968 ctl.maxlen = 0;
1969 }
1970
1971 if (uap->dat != NULL) {
1972 if ((error = copyin(uap->dat, &dat, sizeof(dat))) != 0)
1973 return error;
1974 }
1975 else {
1976 dat.len = -1;
1977 dat.maxlen = 0;
1978 }
1979
1980 /*
1981 * Only for sockets for now.
1982 */
1983 if ((st = svr4_stream_get(fp)) == NULL) {
1984 DPRINTF(("getmsg: bad file type\n"));
1985 return EINVAL;
1986 }
1987
1988 if (ctl.maxlen == -1 || dat.maxlen == -1) {
1989 DPRINTF(("getmsg: Cannot handle -1 maxlen (yet)\n"));
1990 return ENOSYS;
1991 }
1992
1993 switch (st->s_family) {
1994 case AF_INET:
1995 skp = &sain;
1996 sasize = sizeof(sain);
1997 break;
1998
1999 case AF_LOCAL:
2000 skp = &saun;
2001 sasize = sizeof(saun);
2002 break;
2003
2004 default:
2005 DPRINTF(("getmsg: Unsupported address family %d\n",
2006 st->s_family));
2007 return ENOSYS;
2008 }
2009
2010 sg = stackgap_init();
2011 sup = stackgap_alloc(&sg, sasize);
2012 flen = (int *) stackgap_alloc(&sg, sizeof(*flen));
2013
2014 fl = sasize;
2015 if ((error = copyout(&fl, flen, sizeof(fl))) != 0)
2016 return error;
2017
2018 switch (st->s_cmd) {
2019 case SVR4_TI_CONNECT_REQUEST:
2020 DPRINTF(("getmsg: TI_CONNECT_REQUEST\n"));
2021 /*
2022 * We do the connect in one step, so the putmsg should
2023 * have gotten the error.
2024 */
2025 sc.cmd = SVR4_TI_OK_REPLY;
2026 sc.len = 0;
2027
2028 ctl.len = 8;
2029 dat.len = -1;
2030 fl = 1;
2031 st->s_cmd = sc.cmd;
2032 break;
2033
2034 case SVR4_TI_OK_REPLY:
2035 DPRINTF(("getmsg: TI_OK_REPLY\n"));
2036 /*
2037 * We are immediately after a connect reply, so we send
2038 * a connect verification.
2039 */
2040
2041 ga.fdes = uap->fd;
2042 ga.asa = (void *) sup;
2043 ga.alen = flen;
2044
2045 if ((error = getpeername(td, &ga)) != 0) {
2046 DPRINTF(("getmsg: getpeername failed %d\n", error));
2047 return error;
2048 }
2049
2050 if ((error = copyin(sup, skp, sasize)) != 0)
2051 return error;
2052
2053 sc.cmd = SVR4_TI_CONNECT_REPLY;
2054 sc.pad[0] = 0x4;
2055 sc.offs = 0x18;
2056 sc.pad[1] = 0x14;
2057 sc.pad[2] = 0x04000402;
2058
2059 switch (st->s_family) {
2060 case AF_INET:
2061 sc.len = sasize;
2062 sockaddr_to_netaddr_in(&sc, &sain);
2063 break;
2064
2065 case AF_LOCAL:
2066 sc.len = sasize + 4;
2067 sockaddr_to_netaddr_un(&sc, &saun);
2068 break;
2069
2070 default:
2071 return ENOSYS;
2072 }
2073
2074 ctl.len = 40;
2075 dat.len = -1;
2076 fl = 0;
2077 st->s_cmd = sc.cmd;
2078 break;
2079
2080 case SVR4_TI__ACCEPT_OK:
2081 DPRINTF(("getmsg: TI__ACCEPT_OK\n"));
2082 /*
2083 * We do the connect in one step, so the putmsg should
2084 * have gotten the error.
2085 */
2086 sc.cmd = SVR4_TI_OK_REPLY;
2087 sc.len = 1;
2088
2089 ctl.len = 8;
2090 dat.len = -1;
2091 fl = 1;
2092 st->s_cmd = SVR4_TI__ACCEPT_WAIT;
2093 break;
2094
2095 case SVR4_TI__ACCEPT_WAIT:
2096 DPRINTF(("getmsg: TI__ACCEPT_WAIT\n"));
2097 /*
2098 * We are after a listen, so we try to accept...
2099 */
2100 aa.s = uap->fd;
2101 aa.name = (void *) sup;
2102 aa.anamelen = flen;
2103
2104 if ((error = accept(td, &aa)) != 0) {
2105 DPRINTF(("getmsg: accept failed %d\n", error));
2106 return error;
2107 }
2108
2109 st->s_afd = *retval;
2110
2111 DPRINTF(("getmsg: Accept fd = %d\n", st->s_afd));
2112
2113 if ((error = copyin(sup, skp, sasize)) != 0)
2114 return error;
2115
2116 sc.cmd = SVR4_TI_ACCEPT_REPLY;
2117 sc.offs = 0x18;
2118 sc.pad[0] = 0x0;
2119
2120 switch (st->s_family) {
2121 case AF_INET:
2122 sc.pad[1] = 0x28;
2123 sockaddr_to_netaddr_in(&sc, &sain);
2124 ctl.len = 40;
2125 sc.len = sasize;
2126 break;
2127
2128 case AF_LOCAL:
2129 sc.pad[1] = 0x00010000;
2130 sc.pad[2] = 0xf6bcdaa0; /* I don't know what that is */
2131 sc.pad[3] = 0x00010000;
2132 ctl.len = 134;
2133 sc.len = sasize + 4;
2134 break;
2135
2136 default:
2137 return ENOSYS;
2138 }
2139
2140 dat.len = -1;
2141 fl = 0;
2142 st->s_cmd = SVR4_TI__ACCEPT_OK;
2143 break;
2144
2145 case SVR4_TI_SENDTO_REQUEST:
2146 DPRINTF(("getmsg: TI_SENDTO_REQUEST\n"));
2147 if (ctl.maxlen > 36 && ctl.len < 36)
2148 ctl.len = 36;
2149
2150 if ((error = copyin(ctl.buf, &sc, ctl.len)) != 0)
2151 return error;
2152
2153 switch (st->s_family) {
2154 case AF_INET:
2155 sockaddr_to_netaddr_in(&sc, &sain);
2156 break;
2157
2158 case AF_LOCAL:
2159 sockaddr_to_netaddr_un(&sc, &saun);
2160 break;
2161
2162 default:
2163 return ENOSYS;
2164 }
2165
2166 msg.msg_name = (caddr_t) sup;
2167 msg.msg_namelen = sasize;
2168 msg.msg_iov = &aiov;
2169 msg.msg_iovlen = 1;
2170 msg.msg_control = 0;
2171 aiov.iov_base = dat.buf;
2172 aiov.iov_len = dat.maxlen;
2173 msg.msg_flags = 0;
2174
2175 error = svr4_recvit(td, uap->fd, &msg, (caddr_t) flen);
2176
2177 if (error) {
2178 DPRINTF(("getmsg: recvit failed %d\n", error));
2179 return error;
2180 }
2181
2182 if ((error = copyin(msg.msg_name, skp, sasize)) != 0)
2183 return error;
2184
2185 sc.cmd = SVR4_TI_RECVFROM_IND;
2186
2187 switch (st->s_family) {
2188 case AF_INET:
2189 sc.len = sasize;
2190 sockaddr_to_netaddr_in(&sc, &sain);
2191 break;
2192
2193 case AF_LOCAL:
2194 sc.len = sasize + 4;
2195 sockaddr_to_netaddr_un(&sc, &saun);
2196 break;
2197
2198 default:
2199 return ENOSYS;
2200 }
2201
2202 dat.len = *retval;
2203 fl = 0;
2204 st->s_cmd = sc.cmd;
2205 break;
2206
2207 default:
2208 st->s_cmd = sc.cmd;
2209 if (st->s_cmd == SVR4_TI_CONNECT_REQUEST) {
2210 struct read_args ra;
2211
2212 /* More weirdness: Again, I can't find documentation
2213 * to back this up, but when a process does a generic
2214 * "getmsg()" call it seems that the command field is
2215 * zero and the length of the data area is zero. I
2216 * think processes expect getmsg() to fill in dat.len
2217 * after reading at most dat.maxlen octets from the
2218 * stream. Since we're using sockets I can let
2219 * read() look after it and frob return values
2220 * appropriately (or inappropriately :-)
2221 * -- newton@atdot.dotat.org XXX
2222 */
2223 ra.fd = uap->fd;
2224 ra.buf = dat.buf;
2225 ra.nbyte = dat.maxlen;
2226 if ((error = read(td, &ra)) != 0) {
2227 return error;
2228 }
2229 dat.len = *retval;
2230 *retval = 0;
2231 st->s_cmd = SVR4_TI_SENDTO_REQUEST;
2232 break;
2233 }
2234 DPRINTF(("getmsg: Unknown state %x\n", st->s_cmd));
2235 return EINVAL;
2236 }
2237
2238 if (uap->ctl) {
2239 if (ctl.len != -1)
2240 if ((error = copyout(&sc, ctl.buf, ctl.len)) != 0)
2241 return error;
2242
2243 if ((error = copyout(&ctl, uap->ctl, sizeof(ctl))) != 0)
2244 return error;
2245 }
2246
2247 if (uap->dat) {
2248 if ((error = copyout(&dat, uap->dat, sizeof(dat))) != 0)
2249 return error;
2250 }
2251
2252 if (uap->flags) { /* XXX: Need translation */
2253 if ((error = copyout(&fl, uap->flags, sizeof(fl))) != 0)
2254 return error;
2255 }
2256
2257 *retval = 0;
2258
2259#ifdef DEBUG_SVR4
2260 show_msg("<getmsg", uap->fd, uap->ctl,
2261 uap->dat, fl);
2262#endif /* DEBUG_SVR4 */
2263 return error;
2264}
2265
2266int svr4_sys_send(td, uap)
2267 struct thread *td;
2268 struct svr4_sys_send_args *uap;
2269{
2270 struct osend_args osa;
2271 osa.s = uap->s;
2272 osa.buf = uap->buf;
2273 osa.len = uap->len;
2274 osa.flags = uap->flags;
2275 return osend(td, &osa);
2276}
2277
2278int svr4_sys_recv(td, uap)
2279 struct thread *td;
2280 struct svr4_sys_recv_args *uap;
2281{
2282 struct orecv_args ora;
2283 ora.s = uap->s;
2284 ora.buf = uap->buf;
2285 ora.len = uap->len;
2286 ora.flags = uap->flags;
2287 return orecv(td, &ora);
2288}
2289
2290/*
2291 * XXX This isn't necessary, but it's handy for inserting debug code into
2292 * sendto(). Let's leave it here for now...
2293 */
2294int
2295svr4_sys_sendto(td, uap)
2296 struct thread *td;
2297 struct svr4_sys_sendto_args *uap;
2298{
2299 struct sendto_args sa;
2300
2301 sa.s = uap->s;
2302 sa.buf = uap->buf;
2303 sa.len = uap->len;
2304 sa.flags = uap->flags;
2305 sa.to = (caddr_t)uap->to;
2306 sa.tolen = uap->tolen;
2307
2308 DPRINTF(("calling sendto()\n"));
2309 return sendto(td, &sa);
2310}
2311
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