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1.1 root 1: /*
2: * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
3: *
4: * @APPLE_LICENSE_HEADER_START@
5: *
6: * The contents of this file constitute Original Code as defined in and
7: * are subject to the Apple Public Source License Version 1.1 (the
8: * "License"). You may not use this file except in compliance with the
9: * License. Please obtain a copy of the License at
10: * http://www.apple.com/publicsource and read it before using this file.
11: *
12: * This Original Code and all software distributed under the License are
13: * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
14: * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
15: * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
16: * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
17: * License for the specific language governing rights and limitations
18: * under the License.
19: *
20: * @APPLE_LICENSE_HEADER_END@
21: */
22: /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
23: /*
24: * Copyright (c) 1989, 1993
25: * The Regents of the University of California. All rights reserved.
26: *
27: * This code is derived from software contributed to Berkeley by
28: * Rick Macklem at The University of Guelph.
29: *
30: * Redistribution and use in source and binary forms, with or without
31: * modification, are permitted provided that the following conditions
32: * are met:
33: * 1. Redistributions of source code must retain the above copyright
34: * notice, this list of conditions and the following disclaimer.
35: * 2. Redistributions in binary form must reproduce the above copyright
36: * notice, this list of conditions and the following disclaimer in the
37: * documentation and/or other materials provided with the distribution.
38: * 3. All advertising materials mentioning features or use of this software
39: * must display the following acknowledgement:
40: * This product includes software developed by the University of
41: * California, Berkeley and its contributors.
42: * 4. Neither the name of the University nor the names of its contributors
43: * may be used to endorse or promote products derived from this software
44: * without specific prior written permission.
45: *
46: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
47: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
48: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
49: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
50: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
51: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
52: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
53: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
54: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
55: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
56: * SUCH DAMAGE.
57: *
58: * @(#)nfs_syscalls.c 8.5 (Berkeley) 3/30/95
59: * FreeBSD-Id: nfs_syscalls.c,v 1.32 1997/11/07 08:53:25 phk Exp $
60: */
61:
62: #include <sys/param.h>
63: #include <sys/systm.h>
64: /* XXX CSM 11/25/97 FreeBSD's generated syscall prototypes */
65: #ifdef notyet
66: #include <sys/sysproto.h>
67: #endif
68: #include <sys/kernel.h>
69: #include <sys/file.h>
70: #include <sys/filedesc.h>
71: #include <sys/stat.h>
72: #include <sys/vnode.h>
73: #include <sys/mount.h>
74: #include <sys/proc.h>
75: #include <sys/sysctl.h>
76: #include <sys/uio.h>
77: #include <sys/malloc.h>
78: #include <sys/buf.h>
79: #include <sys/mbuf.h>
80: #include <sys/socket.h>
81: #include <sys/socketvar.h>
82: #include <sys/domain.h>
83: #include <sys/protosw.h>
84: #include <sys/namei.h>
85: #include <sys/syslog.h>
86: #include <sys/user.h>
87: #include <machine/spl.h>
88:
89: #include <netinet/in.h>
90: #include <netinet/tcp.h>
91: #if ISO
92: #include <netiso/iso.h>
93: #endif
94: #include <nfs/xdr_subs.h>
95: #include <nfs/rpcv2.h>
96: #include <nfs/nfsproto.h>
97: #include <nfs/nfs.h>
98: #include <nfs/nfsm_subs.h>
99: #include <nfs/nfsrvcache.h>
100: #include <nfs/nfsmount.h>
101: #include <nfs/nfsnode.h>
102: #include <nfs/nqnfs.h>
103: #include <nfs/nfsrtt.h>
104:
105:
106: /* Global defs. */
107: extern int (*nfsrv3_procs[NFS_NPROCS]) __P((struct nfsrv_descript *nd,
108: struct nfssvc_sock *slp,
109: struct proc *procp,
110: struct mbuf **mreqp));
111: extern int nfs_numasync;
112: extern time_t nqnfsstarttime;
113: extern int nqsrv_writeslack;
114: extern int nfsrtton;
115: extern struct nfsstats nfsstats;
116: extern int nfsrvw_procrastinate;
117: extern int nfsrvw_procrastinate_v3;
118: struct nfssvc_sock *nfs_udpsock, *nfs_cltpsock;
119: static int nuidhash_max = NFS_MAXUIDHASH;
120:
121: static void nfsrv_zapsock __P((struct nfssvc_sock *slp));
122: static int nfssvc_iod __P((struct proc *));
123:
124: #define TRUE 1
125: #define FALSE 0
126:
127: static int nfs_asyncdaemon[NFS_MAXASYNCDAEMON];
128:
129: #ifndef NFS_NOSERVER
130: int nfsd_waiting = 0;
131: static struct nfsdrt nfsdrt;
132: static int nfs_numnfsd = 0;
133: static int notstarted = 1;
134: static int modify_flag = 0;
135: static void nfsd_rt __P((int sotype, struct nfsrv_descript *nd,
136: int cacherep));
137: static int nfssvc_addsock __P((struct file *, struct mbuf *,
138: struct proc *));
139: static int nfssvc_nfsd __P((struct nfsd_srvargs *,caddr_t,struct proc *));
140:
141: static int nfs_privport = 0;
142: /* XXX CSM 11/25/97 Upgrade sysctl.h someday */
143: #ifdef notyet
144: SYSCTL_INT(_vfs_nfs, NFS_NFSPRIVPORT, nfs_privport, CTLFLAG_RW, &nfs_privport, 0, "");
145: SYSCTL_INT(_vfs_nfs, OID_AUTO, gatherdelay, CTLFLAG_RW, &nfsrvw_procrastinate, 0, "");
146: SYSCTL_INT(_vfs_nfs, OID_AUTO, gatherdelay_v3, CTLFLAG_RW, &nfsrvw_procrastinate_v3, 0, "");
147: #endif
148:
149: /*
150: * NFS server system calls
151: * getfh() lives here too, but maybe should move to kern/vfs_syscalls.c
152: */
153:
154: /*
155: * Get file handle system call
156: */
157: #ifndef _SYS_SYSPROTO_H_
158: struct getfh_args {
159: char *fname;
160: fhandle_t *fhp;
161: };
162: #endif
163: int
164: getfh(p, uap)
165: struct proc *p;
166: register struct getfh_args *uap;
167: {
168: register struct vnode *vp;
169: fhandle_t fh;
170: int error;
171: struct nameidata nd;
172:
173: /*
174: * Must be super user
175: */
176: error = suser(p->p_ucred, &p->p_acflag);
177: if(error)
178: return (error);
179: NDINIT(&nd, LOOKUP, FOLLOW | LOCKLEAF, UIO_USERSPACE, uap->fname, p);
180: error = namei(&nd);
181: if (error)
182: return (error);
183: vp = nd.ni_vp;
184: bzero((caddr_t)&fh, sizeof(fh));
185: fh.fh_fsid = vp->v_mount->mnt_stat.f_fsid;
186: error = VFS_VPTOFH(vp, &fh.fh_fid);
187: vput(vp);
188: if (error)
189: return (error);
190: error = copyout((caddr_t)&fh, (caddr_t)uap->fhp, sizeof (fh));
191: return (error);
192: }
193:
194: #endif /* NFS_NOSERVER */
195: /*
196: * Nfs server psuedo system call for the nfsd's
197: * Based on the flag value it either:
198: * - adds a socket to the selection list
199: * - remains in the kernel as an nfsd
200: * - remains in the kernel as an nfsiod
201: */
202: #ifndef _SYS_SYSPROTO_H_
203: struct nfssvc_args {
204: int flag;
205: caddr_t argp;
206: };
207: #endif
208: int
209: nfssvc(p, uap)
210: struct proc *p;
211: register struct nfssvc_args *uap;
212: {
213: #ifndef NFS_NOSERVER
214: struct nameidata nd;
215: struct file *fp;
216: struct mbuf *nam;
217: struct nfsd_args nfsdarg;
218: struct nfsd_srvargs nfsd_srvargs, *nsd = &nfsd_srvargs;
219: struct nfsd_cargs ncd;
220: struct nfsd *nfsd;
221: struct nfssvc_sock *slp;
222: struct nfsuid *nuidp;
223: struct nfsmount *nmp;
224: #endif /* NFS_NOSERVER */
225: int error;
226:
227: /*
228: * Must be super user
229: */
230: error = suser(p->p_ucred, &p->p_acflag);
231: if(error)
232: return (error);
233: while (nfssvc_sockhead_flag & SLP_INIT) {
234: nfssvc_sockhead_flag |= SLP_WANTINIT;
235: (void) tsleep((caddr_t)&nfssvc_sockhead, PSOCK, "nfsd init", 0);
236: }
237: if (uap->flag & NFSSVC_BIOD)
238: error = nfssvc_iod(p);
239: #ifdef NFS_NOSERVER
240: else
241: error = ENXIO;
242: #else /* !NFS_NOSERVER */
243: else if (uap->flag & NFSSVC_MNTD) {
244: error = copyin(uap->argp, (caddr_t)&ncd, sizeof (ncd));
245: if (error)
246: return (error);
247: NDINIT(&nd, LOOKUP, FOLLOW | LOCKLEAF, UIO_USERSPACE,
248: ncd.ncd_dirp, p);
249: error = namei(&nd);
250: if (error)
251: return (error);
252: if ((nd.ni_vp->v_flag & VROOT) == 0)
253: error = EINVAL;
254: nmp = VFSTONFS(nd.ni_vp->v_mount);
255: vput(nd.ni_vp);
256: if (error)
257: return (error);
258: if ((nmp->nm_flag & NFSMNT_MNTD) &&
259: (uap->flag & NFSSVC_GOTAUTH) == 0)
260: return (0);
261: nmp->nm_flag |= NFSMNT_MNTD;
262: error = nqnfs_clientd(nmp, p->p_ucred, &ncd, uap->flag,
263: uap->argp, p);
264: } else if (uap->flag & NFSSVC_ADDSOCK) {
265: error = copyin(uap->argp, (caddr_t)&nfsdarg, sizeof(nfsdarg));
266: if (error)
267: return (error);
268: error = getsock(p->p_fd, nfsdarg.sock, &fp);
269: if (error)
270: return (error);
271: /*
272: * Get the client address for connected sockets.
273: */
274: if (nfsdarg.name == NULL || nfsdarg.namelen == 0)
275: nam = (struct mbuf *)0;
276: else {
277: error = sockargs(&nam, nfsdarg.name, nfsdarg.namelen,
278: MT_SONAME);
279: if (error)
280: return (error);
281: }
282: error = nfssvc_addsock(fp, nam, p);
283: } else {
284: error = copyin(uap->argp, (caddr_t)nsd, sizeof (*nsd));
285: if (error)
286: return (error);
287: if ((uap->flag & NFSSVC_AUTHIN) && ((nfsd = nsd->nsd_nfsd)) &&
288: (nfsd->nfsd_slp->ns_flag & SLP_VALID)) {
289: slp = nfsd->nfsd_slp;
290:
291: /*
292: * First check to see if another nfsd has already
293: * added this credential.
294: */
295: for (nuidp = NUIDHASH(slp,nsd->nsd_cr.cr_uid)->lh_first;
296: nuidp != 0; nuidp = nuidp->nu_hash.le_next) {
297: if (nuidp->nu_cr.cr_uid == nsd->nsd_cr.cr_uid &&
298: (!nfsd->nfsd_nd->nd_nam2 ||
299: netaddr_match(NU_NETFAM(nuidp),
300: &nuidp->nu_haddr, nfsd->nfsd_nd->nd_nam2)))
301: break;
302: }
303: if (nuidp) {
304: nfsrv_setcred(&nuidp->nu_cr,&nfsd->nfsd_nd->nd_cr);
305: nfsd->nfsd_nd->nd_flag |= ND_KERBFULL;
306: } else {
307: /*
308: * Nope, so we will.
309: */
310: if (slp->ns_numuids < nuidhash_max) {
311: slp->ns_numuids++;
312: nuidp = (struct nfsuid *)
313: _MALLOC_ZONE(sizeof (struct nfsuid),
314: M_NFSUID, M_WAITOK);
315: } else
316: nuidp = (struct nfsuid *)0;
317: if ((slp->ns_flag & SLP_VALID) == 0) {
318: if (nuidp)
319: _FREE_ZONE((caddr_t)nuidp,
320: sizeof (struct nfsuid), M_NFSUID);
321: } else {
322: if (nuidp == (struct nfsuid *)0) {
323: nuidp = slp->ns_uidlruhead.tqh_first;
324: LIST_REMOVE(nuidp, nu_hash);
325: TAILQ_REMOVE(&slp->ns_uidlruhead, nuidp,
326: nu_lru);
327: if (nuidp->nu_flag & NU_NAM)
328: m_freem(nuidp->nu_nam);
329: }
330: nuidp->nu_flag = 0;
331: nuidp->nu_cr = nsd->nsd_cr;
332: if (nuidp->nu_cr.cr_ngroups > NGROUPS)
333: nuidp->nu_cr.cr_ngroups = NGROUPS;
334: nuidp->nu_cr.cr_ref = 1;
335: nuidp->nu_timestamp = nsd->nsd_timestamp;
336: nuidp->nu_expire = time.tv_sec + nsd->nsd_ttl;
337: /*
338: * and save the session key in nu_key.
339: */
340: bcopy(nsd->nsd_key, nuidp->nu_key,
341: sizeof (nsd->nsd_key));
342: if (nfsd->nfsd_nd->nd_nam2) {
343: struct sockaddr_in *saddr;
344:
345: saddr = mtod(nfsd->nfsd_nd->nd_nam2,
346: struct sockaddr_in *);
347: switch (saddr->sin_family) {
348: case AF_INET:
349: nuidp->nu_flag |= NU_INETADDR;
350: nuidp->nu_inetaddr =
351: saddr->sin_addr.s_addr;
352: break;
353: case AF_ISO:
354: default:
355: nuidp->nu_flag |= NU_NAM;
356: nuidp->nu_nam = m_copym(
357: nfsd->nfsd_nd->nd_nam2, 0,
358: M_COPYALL, M_WAIT);
359: break;
360: };
361: }
362: TAILQ_INSERT_TAIL(&slp->ns_uidlruhead, nuidp,
363: nu_lru);
364: LIST_INSERT_HEAD(NUIDHASH(slp, nsd->nsd_uid),
365: nuidp, nu_hash);
366: nfsrv_setcred(&nuidp->nu_cr,
367: &nfsd->nfsd_nd->nd_cr);
368: nfsd->nfsd_nd->nd_flag |= ND_KERBFULL;
369: }
370: }
371: }
372: if ((uap->flag & NFSSVC_AUTHINFAIL) && (nfsd = nsd->nsd_nfsd))
373: nfsd->nfsd_flag |= NFSD_AUTHFAIL;
374: error = nfssvc_nfsd(nsd, uap->argp, p);
375: }
376: #endif /* NFS_NOSERVER */
377: if (error == EINTR || error == ERESTART)
378: error = 0;
379: return (error);
380: }
381:
382: #ifndef NFS_NOSERVER
383: /*
384: * Adds a socket to the list for servicing by nfsds.
385: */
386: static int
387: nfssvc_addsock(fp, mynam, p)
388: struct file *fp;
389: struct mbuf *mynam;
390: struct proc *p;
391: {
392: register struct mbuf *m;
393: register int siz;
394: register struct nfssvc_sock *slp;
395: register struct socket *so;
396: struct nfssvc_sock *tslp;
397: int error, s;
398:
399: so = (struct socket *)fp->f_data;
400: tslp = (struct nfssvc_sock *)0;
401: /*
402: * Add it to the list, as required.
403: */
404: if (so->so_proto->pr_protocol == IPPROTO_UDP) {
405: tslp = nfs_udpsock;
406: if (tslp->ns_flag & SLP_VALID) {
407: m_freem(mynam);
408: return (EPERM);
409: }
410: #if ISO
411: } else if (so->so_proto->pr_protocol == ISOPROTO_CLTP) {
412: tslp = nfs_cltpsock;
413: if (tslp->ns_flag & SLP_VALID) {
414: m_freem(mynam);
415: return (EPERM);
416: }
417: #endif /* ISO */
418: }
419: if (so->so_type == SOCK_STREAM)
420: siz = NFS_MAXPACKET + sizeof (u_long);
421: else
422: siz = NFS_MAXPACKET;
423: error = soreserve(so, siz, siz);
424: if (error) {
425: m_freem(mynam);
426: return (error);
427: }
428:
429: /*
430: * Set protocol specific options { for now TCP only } and
431: * reserve some space. For datagram sockets, this can get called
432: * repeatedly for the same socket, but that isn't harmful.
433: */
434: if (so->so_type == SOCK_STREAM) {
435: struct sockopt sopt;
436: int val;
437:
438: bzero(&sopt, sizeof sopt);
439: sopt.sopt_level = SOL_SOCKET;
440: sopt.sopt_name = SO_KEEPALIVE;
441: sopt.sopt_val = &val;
442: sopt.sopt_valsize = sizeof val;
443: val = 1;
444: sosetopt(so, &sopt);
445: }
446: if (so->so_proto->pr_domain->dom_family == AF_INET &&
447: so->so_proto->pr_protocol == IPPROTO_TCP) {
448: struct sockopt sopt;
449: int val;
450:
451: bzero(&sopt, sizeof sopt);
452: sopt.sopt_level = IPPROTO_TCP;
453: sopt.sopt_name = TCP_NODELAY;
454: sopt.sopt_val = &val;
455: sopt.sopt_valsize = sizeof val;
456: val = 1;
457: sosetopt(so, &sopt);
458: }
459:
460: so->so_rcv.sb_flags &= ~SB_NOINTR;
461: so->so_rcv.sb_timeo = 0;
462: so->so_snd.sb_flags &= ~SB_NOINTR;
463: so->so_snd.sb_timeo = 0;
464: if (tslp)
465: slp = tslp;
466: else {
467: MALLOC(slp, struct nfssvc_sock *, sizeof(struct nfssvc_sock),
468: M_NFSSVC, M_WAITOK);
469: bzero((caddr_t)slp, sizeof (struct nfssvc_sock));
470: TAILQ_INIT(&slp->ns_uidlruhead);
471: TAILQ_INSERT_TAIL(&nfssvc_sockhead, slp, ns_chain);
472: }
473: slp->ns_so = so;
474: slp->ns_nam = mynam;
475: if (++fp->f_count <= 0)
476: panic("nfssvc_addsock f_count");
477: slp->ns_fp = fp;
478: s = splnet();
479: so->so_upcallarg = (caddr_t)slp;
480: so->so_upcall = nfsrv_rcv;
481: so->so_rcv.sb_flags |= SB_UPCALL; /* required for freebsd merge */
482: slp->ns_flag = (SLP_VALID | SLP_NEEDQ);
483: nfsrv_wakenfsd(slp);
484: splx(s);
485: return (0);
486: }
487:
488: /*
489: * Called by nfssvc() for nfsds. Just loops around servicing rpc requests
490: * until it is killed by a signal.
491: */
492: static int
493: nfssvc_nfsd(nsd, argp, p)
494: struct nfsd_srvargs *nsd;
495: caddr_t argp;
496: struct proc *p;
497: {
498: register struct mbuf *m;
499: register int siz;
500: register struct nfssvc_sock *slp;
501: register struct socket *so;
502: register int *solockp;
503: struct nfsd *nfsd = nsd->nsd_nfsd;
504: struct nfsrv_descript *nd = NULL;
505: struct mbuf *mreq;
506: int error = 0, cacherep, s, sotype, writes_todo;
507: int procrastinate;
508: u_quad_t cur_usec;
509: extern void nfs_aio_thread_init();
510:
511: #ifndef nolint
512: cacherep = RC_DOIT;
513: writes_todo = 0;
514: #endif
515: s = splnet();
516: if (nfsd == (struct nfsd *)0) {
517: MALLOC(nfsd, struct nfsd *, sizeof(struct nfsd), M_NFSD, M_WAITOK);
518: nsd->nsd_nfsd = nfsd;
519: bzero((caddr_t)nfsd, sizeof (struct nfsd));
520: nfsd->nfsd_procp = p;
521: TAILQ_INSERT_TAIL(&nfsd_head, nfsd, nfsd_chain);
522: nfs_numnfsd++;
523: nfs_aio_thread_init();
524: }
525: /*
526: * Loop getting rpc requests until SIGKILL.
527: */
528: for (;;) {
529: if ((nfsd->nfsd_flag & NFSD_REQINPROG) == 0) {
530: while (nfsd->nfsd_slp == (struct nfssvc_sock *)0 &&
531: (nfsd_head_flag & NFSD_CHECKSLP) == 0) {
532: nfsd->nfsd_flag |= NFSD_WAITING;
533: nfsd_waiting++;
534: error = tsleep((caddr_t)nfsd, PSOCK | PCATCH,
535: "nfsd", 0);
536: nfsd_waiting--;
537: if (error)
538: goto done;
539: }
540: if (nfsd->nfsd_slp == (struct nfssvc_sock *)0 &&
541: (nfsd_head_flag & NFSD_CHECKSLP) != 0) {
542: for (slp = nfssvc_sockhead.tqh_first; slp != 0;
543: slp = slp->ns_chain.tqe_next) {
544: if ((slp->ns_flag & (SLP_VALID | SLP_DOREC))
545: == (SLP_VALID | SLP_DOREC)) {
546: slp->ns_flag &= ~SLP_DOREC;
547: slp->ns_sref++;
548: nfsd->nfsd_slp = slp;
549: break;
550: }
551: }
552: if (slp == 0)
553: nfsd_head_flag &= ~NFSD_CHECKSLP;
554: }
555: if ((slp = nfsd->nfsd_slp) == (struct nfssvc_sock *)0)
556: continue;
557: if (slp->ns_flag & SLP_VALID) {
558: if (slp->ns_flag & SLP_DISCONN)
559: nfsrv_zapsock(slp);
560: else if (slp->ns_flag & SLP_NEEDQ) {
561: slp->ns_flag &= ~SLP_NEEDQ;
562: (void) nfs_sndlock(&slp->ns_solock,
563: (struct nfsreq *)0);
564: nfsrv_rcv(slp->ns_so, (caddr_t)slp,
565: M_WAIT);
566: nfs_sndunlock(&slp->ns_solock);
567: }
568: error = nfsrv_dorec(slp, nfsd, &nd);
569: cur_usec = (u_quad_t)time.tv_sec * 1000000 +
570: (u_quad_t)time.tv_usec;
571: if (error && slp->ns_tq.lh_first &&
572: slp->ns_tq.lh_first->nd_time <= cur_usec) {
573: error = 0;
574: cacherep = RC_DOIT;
575: writes_todo = 1;
576: } else
577: writes_todo = 0;
578: nfsd->nfsd_flag |= NFSD_REQINPROG;
579: }
580: } else {
581: error = 0;
582: slp = nfsd->nfsd_slp;
583: }
584: if (error || (slp->ns_flag & SLP_VALID) == 0) {
585: if (nd) {
586: _FREE_ZONE((caddr_t)nd,
587: sizeof *nd, M_NFSRVDESC);
588: nd = NULL;
589: }
590: nfsd->nfsd_slp = (struct nfssvc_sock *)0;
591: nfsd->nfsd_flag &= ~NFSD_REQINPROG;
592: nfsrv_slpderef(slp);
593: continue;
594: }
595: splx(s);
596: so = slp->ns_so;
597: sotype = so->so_type;
598: if (so->so_proto->pr_flags & PR_CONNREQUIRED)
599: solockp = &slp->ns_solock;
600: else
601: solockp = (int *)0;
602: if (nd) {
603: nd->nd_starttime = time;
604: if (nd->nd_nam2)
605: nd->nd_nam = nd->nd_nam2;
606: else
607: nd->nd_nam = slp->ns_nam;
608:
609: /*
610: * Check to see if authorization is needed.
611: */
612: if (nfsd->nfsd_flag & NFSD_NEEDAUTH) {
613: nfsd->nfsd_flag &= ~NFSD_NEEDAUTH;
614: nsd->nsd_haddr = mtod(nd->nd_nam,
615: struct sockaddr_in *)->sin_addr.s_addr;
616: nsd->nsd_authlen = nfsd->nfsd_authlen;
617: nsd->nsd_verflen = nfsd->nfsd_verflen;
618: if (!copyout(nfsd->nfsd_authstr,nsd->nsd_authstr,
619: nfsd->nfsd_authlen) &&
620: !copyout(nfsd->nfsd_verfstr, nsd->nsd_verfstr,
621: nfsd->nfsd_verflen) &&
622: !copyout((caddr_t)nsd, argp, sizeof (*nsd)))
623: return (ENEEDAUTH);
624: cacherep = RC_DROPIT;
625: } else
626: cacherep = nfsrv_getcache(nd, slp, &mreq);
627:
628: /*
629: * Check for just starting up for NQNFS and send
630: * fake "try again later" replies to the NQNFS clients.
631: */
632: if (notstarted && nqnfsstarttime <= time.tv_sec) {
633: if (modify_flag) {
634: nqnfsstarttime = time.tv_sec + nqsrv_writeslack;
635: modify_flag = 0;
636: } else
637: notstarted = 0;
638: }
639: if (notstarted) {
640: if ((nd->nd_flag & ND_NQNFS) == 0)
641: cacherep = RC_DROPIT;
642: else if (nd->nd_procnum != NFSPROC_WRITE) {
643: nd->nd_procnum = NFSPROC_NOOP;
644: nd->nd_repstat = NQNFS_TRYLATER;
645: cacherep = RC_DOIT;
646: } else
647: modify_flag = 1;
648: } else if (nfsd->nfsd_flag & NFSD_AUTHFAIL) {
649: nfsd->nfsd_flag &= ~NFSD_AUTHFAIL;
650: nd->nd_procnum = NFSPROC_NOOP;
651: nd->nd_repstat = (NFSERR_AUTHERR | AUTH_TOOWEAK);
652: cacherep = RC_DOIT;
653: } else if (nfs_privport) {
654: /* Check if source port is privileged */
655: u_short port;
656: struct sockaddr *nam = nd->nd_nam;
657: struct sockaddr_in *sin;
658:
659: sin = (struct sockaddr_in *)nam;
660: port = ntohs(sin->sin_port);
661: if (port >= IPPORT_RESERVED &&
662: nd->nd_procnum != NFSPROC_NULL) {
663: nd->nd_procnum = NFSPROC_NOOP;
664: nd->nd_repstat = (NFSERR_AUTHERR | AUTH_TOOWEAK);
665: cacherep = RC_DOIT;
666: printf("NFS request from unprivileged port (%s:%d)\n",
667: (char *)(inet_ntoa(sin->sin_addr)), port);
668: }
669: }
670:
671: }
672:
673: /*
674: * Loop to get all the write rpc relies that have been
675: * gathered together.
676: */
677: do {
678: switch (cacherep) {
679: case RC_DOIT:
680: if (nd && (nd->nd_flag & ND_NFSV3))
681: procrastinate = nfsrvw_procrastinate_v3;
682: else
683: procrastinate = nfsrvw_procrastinate;
684: if (writes_todo || (nd->nd_procnum == NFSPROC_WRITE &&
685: procrastinate > 0 && !notstarted))
686: error = nfsrv_writegather(&nd, slp,
687: nfsd->nfsd_procp, &mreq);
688: else
689: error = (*(nfsrv3_procs[nd->nd_procnum]))(nd,
690: slp, nfsd->nfsd_procp, &mreq);
691: if (mreq == NULL)
692: break;
693: if (error) {
694: if (nd->nd_procnum != NQNFSPROC_VACATED)
695: nfsstats.srv_errs++;
696: nfsrv_updatecache(nd, FALSE, mreq);
697: if (nd->nd_nam2)
698: m_freem(nd->nd_nam2);
699: break;
700: }
701: nfsstats.srvrpccnt[nd->nd_procnum]++;
702: nfsrv_updatecache(nd, TRUE, mreq);
703: nd->nd_mrep = (struct mbuf *)0;
704: case RC_REPLY:
705: m = mreq;
706: siz = 0;
707: while (m) {
708: siz += m->m_len;
709: m = m->m_next;
710: }
711: if (siz <= 0 || siz > NFS_MAXPACKET) {
712: printf("mbuf siz=%d\n",siz);
713: panic("Bad nfs svc reply");
714: }
715: m = mreq;
716: m->m_pkthdr.len = siz;
717: m->m_pkthdr.rcvif = (struct ifnet *)0;
718: /*
719: * For stream protocols, prepend a Sun RPC
720: * Record Mark.
721: */
722: if (sotype == SOCK_STREAM) {
723: M_PREPEND(m, NFSX_UNSIGNED, M_WAIT);
724: *mtod(m, u_long *) = htonl(0x80000000 | siz);
725: }
726: if (solockp)
727: (void) nfs_sndlock(solockp, (struct nfsreq *)0);
728: if (slp->ns_flag & SLP_VALID)
729: error = nfs_send(so, nd->nd_nam2, m, NULL);
730: else {
731: error = EPIPE;
732: m_freem(m);
733: }
734: if (nfsrtton)
735: nfsd_rt(sotype, nd, cacherep);
736: if (nd->nd_nam2)
737: MFREE(nd->nd_nam2, m);
738: if (nd->nd_mrep)
739: m_freem(nd->nd_mrep);
740: if (error == EPIPE)
741: nfsrv_zapsock(slp);
742: if (solockp)
743: nfs_sndunlock(solockp);
744: if (error == EINTR || error == ERESTART) {
745: _FREE_ZONE((caddr_t)nd,
746: sizeof *nd, M_NFSRVDESC);
747: nfsrv_slpderef(slp);
748: s = splnet();
749: goto done;
750: }
751: break;
752: case RC_DROPIT:
753: if (nfsrtton)
754: nfsd_rt(sotype, nd, cacherep);
755: m_freem(nd->nd_mrep);
756: m_freem(nd->nd_nam2);
757: break;
758: };
759: if (nd) {
760: FREE_ZONE((caddr_t)nd, sizeof *nd, M_NFSRVDESC);
761: nd = NULL;
762: }
763:
764: /*
765: * Check to see if there are outstanding writes that
766: * need to be serviced.
767: */
768: cur_usec = (u_quad_t)time.tv_sec * 1000000 +
769: (u_quad_t)time.tv_usec;
770: s = splsoftclock();
771: if (slp->ns_tq.lh_first &&
772: slp->ns_tq.lh_first->nd_time <= cur_usec) {
773: cacherep = RC_DOIT;
774: writes_todo = 1;
775: } else
776: writes_todo = 0;
777: splx(s);
778: } while (writes_todo);
779: s = splnet();
780: if (nfsrv_dorec(slp, nfsd, &nd)) {
781: nfsd->nfsd_flag &= ~NFSD_REQINPROG;
782: nfsd->nfsd_slp = NULL;
783: nfsrv_slpderef(slp);
784: }
785: }
786: done:
787: TAILQ_REMOVE(&nfsd_head, nfsd, nfsd_chain);
788: splx(s);
789: _FREE((caddr_t)nfsd, M_NFSD);
790: nsd->nsd_nfsd = (struct nfsd *)0;
791: if (--nfs_numnfsd == 0)
792: nfsrv_init(TRUE); /* Reinitialize everything */
793: return (error);
794: }
795: #endif /* NFS_NOSERVER */
796:
797: int nfs_defect = 0;
798: /* XXX CSM 11/25/97 Upgrade sysctl.h someday */
799: #ifdef notyet
800: SYSCTL_INT(_vfs_nfs, OID_AUTO, defect, CTLFLAG_RW, &nfs_defect, 0, "");
801: #endif
802:
803: static int nfssvc_iod_continue(int);
804:
805: /*
806: * Asynchronous I/O daemons for client nfs.
807: * They do read-ahead and write-behind operations on the block I/O cache.
808: * Never returns unless it fails or gets killed.
809: */
810: static int
811: nfssvc_iod(p)
812: struct proc *p;
813: {
814: register struct buf *bp;
815: register int i, myiod;
816: struct nfsmount *nmp;
817: int error = 0;
818: struct uthread *ut;
819:
820: /*
821: * Assign my position or return error if too many already running
822: */
823: myiod = -1;
824: for (i = 0; i < NFS_MAXASYNCDAEMON; i++)
825: if (nfs_asyncdaemon[i] == 0) {
826: nfs_asyncdaemon[i]++;
827: myiod = i;
828: break;
829: }
830: if (myiod == -1)
831: return (EBUSY);
832: nfs_numasync++;
833:
834: /* stuff myiod into uthread to get off local stack for
835: continuation */
836:
837: ut = get_bsdthread_info(current_act());
838: ut->uu_state.uu_nfs_myiod = myiod; /* squirrel away for continuation */
839:
840: nfssvc_iod_continue(0);
841: /* NOTREACHED */
842:
843: }
844:
845: /*
846: * Continuation for Asynchronous I/O daemons for client nfs.
847: */
848: static int
849: nfssvc_iod_continue(error)
850: {
851: register struct buf *bp;
852: register int i, myiod;
853: struct nfsmount *nmp;
854: struct uthread *ut;
855: struct proc *p;
856:
857: /*
858: * real myiod is stored in uthread, recover it
859: */
860: ut = get_bsdthread_info(current_act());
861: myiod = ut->uu_state.uu_nfs_myiod;
862: p = get_bsdtask_info(current_task());
863:
864: /*
865: * Just loop around doin our stuff until SIGKILL
866: * - actually we don't loop with continuations...
867: */
868: for (;;) {
869: while (((nmp = nfs_iodmount[myiod]) == NULL
870: || nmp->nm_bufq.tqh_first == NULL)
871: && error == 0) {
872: if (nmp)
873: nmp->nm_bufqiods--;
874: nfs_iodwant[myiod] = p;
875: nfs_iodmount[myiod] = NULL;
876: error = tsleep0((caddr_t)&nfs_iodwant[myiod],
877: PWAIT | PCATCH, "nfsidl", 0, nfssvc_iod_continue);
878: /* NOTREACHED */
879: }
880: if (error) {
881: nfs_asyncdaemon[myiod] = 0;
882: if (nmp) nmp->nm_bufqiods--;
883: nfs_iodwant[myiod] = NULL;
884: nfs_iodmount[myiod] = NULL;
885: nfs_numasync--;
886: if (error == EINTR || error == ERESTART)
887: error = 0;
888: unix_syscall_return(error);
889: }
890: while ((bp = nmp->nm_bufq.tqh_first) != NULL) {
891: /* Take one off the front of the list */
892: TAILQ_REMOVE(&nmp->nm_bufq, bp, b_freelist);
893: nmp->nm_bufqlen--;
894: if (nmp->nm_bufqwant && nmp->nm_bufqlen < 2 * nfs_numasync) {
895: nmp->nm_bufqwant = FALSE;
896: wakeup(&nmp->nm_bufq);
897: }
898: if (bp->b_flags & B_READ)
899: (void) nfs_doio(bp, bp->b_rcred, (struct proc *)0);
900: else
901: (void) nfs_doio(bp, bp->b_wcred, (struct proc *)0);
902:
903: /*
904: * If there are more than one iod on this mount, then defect
905: * so that the iods can be shared out fairly between the mounts
906: */
907: if (nfs_defect && nmp->nm_bufqiods > 1) {
908: NFS_DPF(ASYNCIO,
909: ("nfssvc_iod: iod %d defecting from mount %p\n",
910: myiod, nmp));
911: nfs_iodmount[myiod] = NULL;
912: nmp->nm_bufqiods--;
913: break;
914: }
915: }
916: }
917: }
918:
919: /*
920: * Shut down a socket associated with an nfssvc_sock structure.
921: * Should be called with the send lock set, if required.
922: * The trick here is to increment the sref at the start, so that the nfsds
923: * will stop using it and clear ns_flag at the end so that it will not be
924: * reassigned during cleanup.
925: */
926: static void
927: nfsrv_zapsock(slp)
928: register struct nfssvc_sock *slp;
929: {
930: register struct nfsuid *nuidp, *nnuidp;
931: register struct nfsrv_descript *nwp, *nnwp;
932: struct socket *so;
933: struct file *fp;
934: struct mbuf *m;
935: int s;
936:
937: slp->ns_flag &= ~SLP_ALLFLAGS;
938: fp = slp->ns_fp;
939: if (fp) {
940: slp->ns_fp = (struct file *)0;
941: so = slp->ns_so;
942: so->so_upcall = NULL;
943: so->so_rcv.sb_flags &= ~SB_UPCALL;
944: soshutdown(so, 2);
945: closef(fp, (struct proc *)0);
946: if (slp->ns_nam)
947: MFREE(slp->ns_nam, m);
948: m_freem(slp->ns_raw);
949: m_freem(slp->ns_rec);
950: for (nuidp = slp->ns_uidlruhead.tqh_first; nuidp != 0;
951: nuidp = nnuidp) {
952: nnuidp = nuidp->nu_lru.tqe_next;
953: LIST_REMOVE(nuidp, nu_hash);
954: TAILQ_REMOVE(&slp->ns_uidlruhead, nuidp, nu_lru);
955: if (nuidp->nu_flag & NU_NAM)
956: m_freem(nuidp->nu_nam);
957: _FREE_ZONE((caddr_t)nuidp,
958: sizeof (struct nfsuid), M_NFSUID);
959: }
960: s = splsoftclock();
961: for (nwp = slp->ns_tq.lh_first; nwp; nwp = nnwp) {
962: nnwp = nwp->nd_tq.le_next;
963: LIST_REMOVE(nwp, nd_tq);
964: _FREE_ZONE((caddr_t)nwp, sizeof *nwp, M_NFSRVDESC);
965: }
966: LIST_INIT(&slp->ns_tq);
967: splx(s);
968: }
969: }
970:
971: /*
972: * Get an authorization string for the uid by having the mount_nfs sitting
973: * on this mount point porpous out of the kernel and do it.
974: */
975: int
976: nfs_getauth(nmp, rep, cred, auth_str, auth_len, verf_str, verf_len, key)
977: register struct nfsmount *nmp;
978: struct nfsreq *rep;
979: struct ucred *cred;
980: char **auth_str;
981: int *auth_len;
982: char *verf_str;
983: int *verf_len;
984: NFSKERBKEY_T key; /* return session key */
985: {
986: int error = 0;
987:
988: while ((nmp->nm_flag & NFSMNT_WAITAUTH) == 0) {
989: nmp->nm_flag |= NFSMNT_WANTAUTH;
990: (void) tsleep((caddr_t)&nmp->nm_authtype, PSOCK,
991: "nfsauth1", 2 * hz);
992: error = nfs_sigintr(nmp, rep, rep->r_procp);
993: if (error) {
994: nmp->nm_flag &= ~NFSMNT_WANTAUTH;
995: return (error);
996: }
997: }
998: nmp->nm_flag &= ~(NFSMNT_WAITAUTH | NFSMNT_WANTAUTH);
999: MALLOC(*auth_str, char *, RPCAUTH_MAXSIZ, M_TEMP, M_WAITOK);
1000: nmp->nm_authstr = *auth_str;
1001: nmp->nm_authlen = RPCAUTH_MAXSIZ;
1002: nmp->nm_verfstr = verf_str;
1003: nmp->nm_verflen = *verf_len;
1004: nmp->nm_authuid = cred->cr_uid;
1005: wakeup((caddr_t)&nmp->nm_authstr);
1006:
1007: /*
1008: * And wait for mount_nfs to do its stuff.
1009: */
1010: while ((nmp->nm_flag & NFSMNT_HASAUTH) == 0 && error == 0) {
1011: (void) tsleep((caddr_t)&nmp->nm_authlen, PSOCK,
1012: "nfsauth2", 2 * hz);
1013: error = nfs_sigintr(nmp, rep, rep->r_procp);
1014: }
1015: if (nmp->nm_flag & NFSMNT_AUTHERR) {
1016: nmp->nm_flag &= ~NFSMNT_AUTHERR;
1017: error = EAUTH;
1018: }
1019: if (error)
1020: _FREE((caddr_t)*auth_str, M_TEMP);
1021: else {
1022: *auth_len = nmp->nm_authlen;
1023: *verf_len = nmp->nm_verflen;
1024: bcopy((caddr_t)nmp->nm_key, (caddr_t)key, sizeof (key));
1025: }
1026: nmp->nm_flag &= ~NFSMNT_HASAUTH;
1027: nmp->nm_flag |= NFSMNT_WAITAUTH;
1028: if (nmp->nm_flag & NFSMNT_WANTAUTH) {
1029: nmp->nm_flag &= ~NFSMNT_WANTAUTH;
1030: wakeup((caddr_t)&nmp->nm_authtype);
1031: }
1032: return (error);
1033: }
1034:
1035: /*
1036: * Get a nickname authenticator and verifier.
1037: */
1038: int
1039: nfs_getnickauth(nmp, cred, auth_str, auth_len, verf_str, verf_len)
1040: struct nfsmount *nmp;
1041: struct ucred *cred;
1042: char **auth_str;
1043: int *auth_len;
1044: char *verf_str;
1045: int verf_len;
1046: {
1047: register struct nfsuid *nuidp;
1048: register u_long *nickp, *verfp;
1049: struct timeval ktvin, ktvout;
1050:
1051: #if DIAGNOSTIC
1052: if (verf_len < (4 * NFSX_UNSIGNED))
1053: panic("nfs_getnickauth verf too small");
1054: #endif
1055: for (nuidp = NMUIDHASH(nmp, cred->cr_uid)->lh_first;
1056: nuidp != 0; nuidp = nuidp->nu_hash.le_next) {
1057: if (nuidp->nu_cr.cr_uid == cred->cr_uid)
1058: break;
1059: }
1060: if (!nuidp || nuidp->nu_expire < time.tv_sec)
1061: return (EACCES);
1062:
1063: /*
1064: * Move to the end of the lru list (end of lru == most recently used).
1065: */
1066: TAILQ_REMOVE(&nmp->nm_uidlruhead, nuidp, nu_lru);
1067: TAILQ_INSERT_TAIL(&nmp->nm_uidlruhead, nuidp, nu_lru);
1068:
1069: MALLOC(nickp, u_long *, 2 * NFSX_UNSIGNED, M_TEMP, M_WAITOK);
1070: *nickp++ = txdr_unsigned(RPCAKN_NICKNAME);
1071: *nickp = txdr_unsigned(nuidp->nu_nickname);
1072: *auth_str = (char *)nickp;
1073: *auth_len = 2 * NFSX_UNSIGNED;
1074:
1075: /*
1076: * Now we must encrypt the verifier and package it up.
1077: */
1078: verfp = (u_long *)verf_str;
1079: *verfp++ = txdr_unsigned(RPCAKN_NICKNAME);
1080: if (time.tv_sec > nuidp->nu_timestamp.tv_sec ||
1081: (time.tv_sec == nuidp->nu_timestamp.tv_sec &&
1082: time.tv_usec > nuidp->nu_timestamp.tv_usec))
1083: nuidp->nu_timestamp = time;
1084: else
1085: nuidp->nu_timestamp.tv_usec++;
1086: ktvin.tv_sec = txdr_unsigned(nuidp->nu_timestamp.tv_sec);
1087: ktvin.tv_usec = txdr_unsigned(nuidp->nu_timestamp.tv_usec);
1088:
1089: /*
1090: * Now encrypt the timestamp verifier in ecb mode using the session
1091: * key.
1092: */
1093: #if NFSKERB
1094: XXX
1095: #endif
1096:
1097: *verfp++ = ktvout.tv_sec;
1098: *verfp++ = ktvout.tv_usec;
1099: *verfp = 0;
1100: return (0);
1101: }
1102:
1103: /*
1104: * Save the current nickname in a hash list entry on the mount point.
1105: */
1106: int
1107: nfs_savenickauth(nmp, cred, len, key, mdp, dposp, mrep)
1108: register struct nfsmount *nmp;
1109: struct ucred *cred;
1110: int len;
1111: NFSKERBKEY_T key;
1112: struct mbuf **mdp;
1113: char **dposp;
1114: struct mbuf *mrep;
1115: {
1116: register struct nfsuid *nuidp;
1117: register u_long *tl;
1118: register long t1;
1119: struct mbuf *md = *mdp;
1120: struct timeval ktvin, ktvout;
1121: u_long nick;
1122: char *dpos = *dposp, *cp2;
1123: int deltasec, error = 0;
1124:
1125: if (len == (3 * NFSX_UNSIGNED)) {
1126: nfsm_dissect(tl, u_long *, 3 * NFSX_UNSIGNED);
1127: ktvin.tv_sec = *tl++;
1128: ktvin.tv_usec = *tl++;
1129: nick = fxdr_unsigned(u_long, *tl);
1130:
1131: /*
1132: * Decrypt the timestamp in ecb mode.
1133: */
1134: #if NFSKERB
1135: XXX
1136: #endif
1137: ktvout.tv_sec = fxdr_unsigned(long, ktvout.tv_sec);
1138: ktvout.tv_usec = fxdr_unsigned(long, ktvout.tv_usec);
1139: deltasec = time.tv_sec - ktvout.tv_sec;
1140: if (deltasec < 0)
1141: deltasec = -deltasec;
1142: /*
1143: * If ok, add it to the hash list for the mount point.
1144: */
1145: if (deltasec <= NFS_KERBCLOCKSKEW) {
1146: if (nmp->nm_numuids < nuidhash_max) {
1147: nmp->nm_numuids++;
1148: MALLOC_ZONE(nuidp, struct nfsuid *,
1149: sizeof (struct nfsuid),
1150: M_NFSUID, M_WAITOK);
1151: } else {
1152: nuidp = nmp->nm_uidlruhead.tqh_first;
1153: LIST_REMOVE(nuidp, nu_hash);
1154: TAILQ_REMOVE(&nmp->nm_uidlruhead, nuidp,
1155: nu_lru);
1156: }
1157: nuidp->nu_flag = 0;
1158: nuidp->nu_cr.cr_uid = cred->cr_uid;
1159: nuidp->nu_expire = time.tv_sec + NFS_KERBTTL;
1160: nuidp->nu_timestamp = ktvout;
1161: nuidp->nu_nickname = nick;
1162: bcopy(key, nuidp->nu_key, sizeof (key));
1163: TAILQ_INSERT_TAIL(&nmp->nm_uidlruhead, nuidp,
1164: nu_lru);
1165: LIST_INSERT_HEAD(NMUIDHASH(nmp, cred->cr_uid),
1166: nuidp, nu_hash);
1167: }
1168: } else
1169: nfsm_adv(nfsm_rndup(len));
1170: nfsmout:
1171: *mdp = md;
1172: *dposp = dpos;
1173: return (error);
1174: }
1175:
1176: #ifndef NFS_NOSERVER
1177:
1178: /*
1179: * Derefence a server socket structure. If it has no more references and
1180: * is no longer valid, you can throw it away.
1181: */
1182: void
1183: nfsrv_slpderef(slp)
1184: register struct nfssvc_sock *slp;
1185: {
1186: if (--(slp->ns_sref) == 0 && (slp->ns_flag & SLP_VALID) == 0) {
1187: TAILQ_REMOVE(&nfssvc_sockhead, slp, ns_chain);
1188: _FREE((caddr_t)slp, M_NFSSVC);
1189: }
1190: }
1191:
1192: /*
1193: * Initialize the data structures for the server.
1194: * Handshake with any new nfsds starting up to avoid any chance of
1195: * corruption.
1196: */
1197: void
1198: nfsrv_init(terminating)
1199: int terminating;
1200: {
1201: register struct nfssvc_sock *slp, *nslp;
1202:
1203: if (nfssvc_sockhead_flag & SLP_INIT)
1204: panic("nfsd init");
1205: nfssvc_sockhead_flag |= SLP_INIT;
1206: if (terminating) {
1207: for (slp = nfssvc_sockhead.tqh_first; slp != 0; slp = nslp) {
1208: nslp = slp->ns_chain.tqe_next;
1209: if (slp->ns_flag & SLP_VALID)
1210: nfsrv_zapsock(slp);
1211: TAILQ_REMOVE(&nfssvc_sockhead, slp, ns_chain);
1212: _FREE((caddr_t)slp, M_NFSSVC);
1213: }
1214: nfsrv_cleancache(); /* And clear out server cache */
1215: /* XXX CSM 12/4/97 Revisit when enabling WebNFS */
1216: #ifdef notyet
1217: } else
1218: nfs_pub.np_valid = 0;
1219: #else
1220: }
1221: #endif
1222:
1223: TAILQ_INIT(&nfssvc_sockhead);
1224: nfssvc_sockhead_flag &= ~SLP_INIT;
1225: if (nfssvc_sockhead_flag & SLP_WANTINIT) {
1226: nfssvc_sockhead_flag &= ~SLP_WANTINIT;
1227: wakeup((caddr_t)&nfssvc_sockhead);
1228: }
1229:
1230: TAILQ_INIT(&nfsd_head);
1231: nfsd_head_flag &= ~NFSD_CHECKSLP;
1232:
1233: MALLOC(nfs_udpsock, struct nfssvc_sock *, sizeof(struct nfssvc_sock),
1234: M_NFSSVC, M_WAITOK);
1235: bzero((caddr_t)nfs_udpsock, sizeof (struct nfssvc_sock));
1236: TAILQ_INIT(&nfs_udpsock->ns_uidlruhead);
1237: TAILQ_INSERT_HEAD(&nfssvc_sockhead, nfs_udpsock, ns_chain);
1238:
1239: MALLOC(nfs_cltpsock, struct nfssvc_sock *, sizeof(struct nfssvc_sock),
1240: M_NFSSVC, M_WAITOK);
1241: bzero((caddr_t)nfs_cltpsock, sizeof (struct nfssvc_sock));
1242: TAILQ_INIT(&nfs_cltpsock->ns_uidlruhead);
1243: TAILQ_INSERT_TAIL(&nfssvc_sockhead, nfs_cltpsock, ns_chain);
1244: }
1245:
1246: /*
1247: * Add entries to the server monitor log.
1248: */
1249: static void
1250: nfsd_rt(sotype, nd, cacherep)
1251: int sotype;
1252: register struct nfsrv_descript *nd;
1253: int cacherep;
1254: {
1255: register struct drt *rt;
1256:
1257: rt = &nfsdrt.drt[nfsdrt.pos];
1258: if (cacherep == RC_DOIT)
1259: rt->flag = 0;
1260: else if (cacherep == RC_REPLY)
1261: rt->flag = DRT_CACHEREPLY;
1262: else
1263: rt->flag = DRT_CACHEDROP;
1264: if (sotype == SOCK_STREAM)
1265: rt->flag |= DRT_TCP;
1266: if (nd->nd_flag & ND_NQNFS)
1267: rt->flag |= DRT_NQNFS;
1268: else if (nd->nd_flag & ND_NFSV3)
1269: rt->flag |= DRT_NFSV3;
1270: rt->proc = nd->nd_procnum;
1271: if (mtod(nd->nd_nam, struct sockaddr *)->sa_family == AF_INET)
1272: rt->ipadr = mtod(nd->nd_nam, struct sockaddr_in *)->sin_addr.s_addr;
1273: else
1274: rt->ipadr = INADDR_ANY;
1275: rt->resptime = ((time.tv_sec - nd->nd_starttime.tv_sec) * 1000000) +
1276: (time.tv_usec - nd->nd_starttime.tv_usec);
1277: rt->tstamp = time;
1278: nfsdrt.pos = (nfsdrt.pos + 1) % NFSRTTLOGSIZ;
1279: }
1280: #endif /* NFS_NOSERVER */
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