2 * Copyright 2000, International Business Machines Corporation and others.
5 * This software has been released under the terms of the IBM Public
6 * License. For details, see the LICENSE file in the top-level source
7 * directory or online at http://www.openafs.org/dl/license10.html
10 #include <afsconfig.h>
11 #include "afs/param.h"
14 #include "afs/sysincludes.h" /* Standard vendor system headers */
16 #include "h/syscallargs.h"
19 #include "h/sysproto.h"
22 #include <sys/ioctl.h>
23 #include <sys/ioccom.h>
25 #include "afsincludes.h" /* Afs-based standard headers */
26 #include "afs/afs_stats.h" /* afs statistics */
28 #include "afs/afs_bypasscache.h"
29 #include "rx/rx_globals.h"
31 struct VenusFid afs_rootFid;
32 afs_int32 afs_waitForever = 0;
33 short afs_waitForeverCount = 0;
34 afs_int32 afs_showflags = GAGUSER | GAGCONSOLE; /* show all messages */
37 afs_int32 afs_is_disconnected;
38 afs_int32 afs_is_discon_rw;
39 /* On reconnection, turn this knob on until it finishes,
42 afs_int32 afs_in_sync = 0;
51 * A set of handy little functions for encoding and decoding
52 * pioctls without losing your marbles, or memory integrity
56 afs_pd_alloc(struct afs_pdata *apd, size_t size)
59 if (size > AFS_LRALLOCSIZ)
60 apd->ptr = osi_Alloc(size + 1);
62 apd->ptr = osi_AllocLargeSpace(AFS_LRALLOCSIZ);
67 apd->remaining = size;
73 afs_pd_free(struct afs_pdata *apd)
78 if (apd->remaining > AFS_LRALLOCSIZ)
79 osi_Free(apd->ptr, apd->remaining + 1);
81 osi_FreeLargeSpace(apd->ptr);
88 afs_pd_where(struct afs_pdata *apd)
90 return apd ? apd->ptr : NULL;
94 afs_pd_remaining(struct afs_pdata *apd)
96 return apd ? apd->remaining : 0;
100 afs_pd_skip(struct afs_pdata *apd, size_t skip)
102 if (apd == NULL || apd->remaining < skip)
104 apd->remaining -= skip;
111 afs_pd_getInt(struct afs_pdata *apd, afs_int32 *val)
113 if (apd == NULL || apd->remaining < sizeof(afs_int32))
115 apd->remaining -= sizeof(afs_int32);
116 *val = *(afs_int32 *)apd->ptr;
117 apd->ptr += sizeof(afs_int32);
122 afs_pd_getUint(struct afs_pdata *apd, afs_uint32 *val)
124 return afs_pd_getInt(apd, (afs_int32 *)val);
128 afs_pd_getBytes(struct afs_pdata *apd, void *dest, size_t bytes)
130 if (apd == NULL || apd->remaining < bytes)
132 apd->remaining -= bytes;
133 memcpy(dest, apd->ptr, bytes);
139 afs_pd_inline(struct afs_pdata *apd, size_t bytes)
143 if (apd == NULL || apd->remaining < bytes)
148 apd->remaining -= bytes;
155 afs_pd_getString(struct afs_pdata *apd, char *str, size_t maxLen)
159 if (apd == NULL || apd->remaining <= 0)
161 len = strlen(apd->ptr) + 1;
164 memcpy(str, apd->ptr, len);
166 apd->remaining -= len;
171 afs_pd_getStringPtr(struct afs_pdata *apd, char **str)
175 if (apd == NULL || apd->remaining <= 0)
177 len = strlen(apd->ptr) + 1;
180 apd->remaining -= len;
185 afs_pd_putInt(struct afs_pdata *apd, afs_int32 val)
187 if (apd == NULL || apd->remaining < sizeof(afs_int32))
189 *(afs_int32 *)apd->ptr = val;
190 apd->ptr += sizeof(afs_int32);
191 apd->remaining -= sizeof(afs_int32);
197 afs_pd_putBytes(struct afs_pdata *apd, const void *bytes, size_t len)
199 if (apd == NULL || apd->remaining < len)
201 memcpy(apd->ptr, bytes, len);
203 apd->remaining -= len;
208 afs_pd_putString(struct afs_pdata *apd, char *str) {
210 /* Add 1 so we copy the NULL too */
211 return afs_pd_putBytes(apd, str, strlen(str) +1);
215 * \defgroup pioctl Path IOCTL functions
217 * DECL_PIOCTL is a macro defined to contain the following parameters for functions:
220 * the AFS vcache structure in use by pioctl
224 * the AFS vrequest structure
226 * an afs_pdata block describing the data received from the caller
228 * an afs_pdata block describing a pre-allocated block for output
230 * UNIX credentials structure underlying the operation
233 #define DECL_PIOCTL(x) \
234 static int x(struct vcache *avc, int afun, struct vrequest *areq, \
235 struct afs_pdata *ain, struct afs_pdata *aout, \
238 /* Prototypes for pioctl routines */
239 DECL_PIOCTL(PGetFID);
240 DECL_PIOCTL(PSetAcl);
241 DECL_PIOCTL(PStoreBehind);
242 DECL_PIOCTL(PGCPAGs);
243 DECL_PIOCTL(PGetAcl);
246 DECL_PIOCTL(PGetFileCell);
247 DECL_PIOCTL(PGetWSCell);
248 DECL_PIOCTL(PGetUserCell);
249 DECL_PIOCTL(PSetTokens);
250 DECL_PIOCTL(PGetVolumeStatus);
251 DECL_PIOCTL(PSetVolumeStatus);
253 DECL_PIOCTL(PNewStatMount);
254 DECL_PIOCTL(PGetTokens);
256 DECL_PIOCTL(PMariner);
257 DECL_PIOCTL(PCheckServers);
258 DECL_PIOCTL(PCheckVolNames);
259 DECL_PIOCTL(PCheckAuth);
260 DECL_PIOCTL(PFindVolume);
261 DECL_PIOCTL(PViceAccess);
262 DECL_PIOCTL(PSetCacheSize);
263 DECL_PIOCTL(PGetCacheSize);
264 DECL_PIOCTL(PRemoveCallBack);
265 DECL_PIOCTL(PNewCell);
266 DECL_PIOCTL(PNewAlias);
267 DECL_PIOCTL(PListCells);
268 DECL_PIOCTL(PListAliases);
269 DECL_PIOCTL(PRemoveMount);
270 DECL_PIOCTL(PGetCellStatus);
271 DECL_PIOCTL(PSetCellStatus);
272 DECL_PIOCTL(PFlushVolumeData);
273 DECL_PIOCTL(PGetVnodeXStatus);
274 DECL_PIOCTL(PGetVnodeXStatus2);
275 DECL_PIOCTL(PSetSysName);
276 DECL_PIOCTL(PSetSPrefs);
277 DECL_PIOCTL(PSetSPrefs33);
278 DECL_PIOCTL(PGetSPrefs);
279 DECL_PIOCTL(PExportAfs);
281 DECL_PIOCTL(PTwiddleRx);
282 DECL_PIOCTL(PGetInitParams);
283 DECL_PIOCTL(PGetRxkcrypt);
284 DECL_PIOCTL(PSetRxkcrypt);
285 DECL_PIOCTL(PGetCPrefs);
286 DECL_PIOCTL(PSetCPrefs);
287 DECL_PIOCTL(PFlushMount);
288 DECL_PIOCTL(PRxStatProc);
289 DECL_PIOCTL(PRxStatPeer);
290 DECL_PIOCTL(PPrefetchFromTape);
292 DECL_PIOCTL(PCallBackAddr);
293 DECL_PIOCTL(PDiscon);
294 DECL_PIOCTL(PNFSNukeCreds);
295 DECL_PIOCTL(PNewUuid);
296 DECL_PIOCTL(PPrecache);
297 DECL_PIOCTL(PGetPAG);
298 #if defined(AFS_CACHE_BYPASS)
299 DECL_PIOCTL(PSetCachingThreshold);
303 * A macro that says whether we're going to need HandleClientContext().
304 * This is currently used only by the nfs translator.
306 #if !defined(AFS_NONFSTRANS) || defined(AFS_AIX_IAUTH_ENV)
307 #define AFS_NEED_CLIENTCONTEXT
310 /* Prototypes for private routines */
311 #ifdef AFS_NEED_CLIENTCONTEXT
312 static int HandleClientContext(struct afs_ioctl *ablob, int *com,
316 int HandleIoctl(register struct vcache *avc, register afs_int32 acom,
317 struct afs_ioctl *adata);
318 int afs_HandlePioctl(struct vnode *avp, afs_int32 acom,
319 register struct afs_ioctl *ablob, int afollow,
320 afs_ucred_t **acred);
321 static int Prefetch(uparmtype apath, struct afs_ioctl *adata, int afollow,
324 typedef int (*pioctlFunction) (struct vcache *, int, struct vrequest *,
325 struct afs_pdata *, struct afs_pdata *,
328 static pioctlFunction VpioctlSw[] = {
333 PGetVolumeStatus, /* 4 */
334 PSetVolumeStatus, /* 5 */
339 PCheckServers, /* 10 */
340 PCheckVolNames, /* 11 */
342 PBogus, /* 13 -- used to be quick check time */
343 PFindVolume, /* 14 */
344 PBogus, /* 15 -- prefetch is now special-cased; see pioctl code! */
345 PBogus, /* 16 -- used to be testing code */
346 PNoop, /* 17 -- used to be enable group */
347 PNoop, /* 18 -- used to be disable group */
348 PBogus, /* 19 -- used to be list group */
349 PViceAccess, /* 20 */
350 PUnlog, /* 21 -- unlog *is* unpag in this system */
351 PGetFID, /* 22 -- get file ID */
352 PBogus, /* 23 -- used to be waitforever */
353 PSetCacheSize, /* 24 */
354 PRemoveCallBack, /* 25 -- flush only the callback */
357 PRemoveMount, /* 28 -- delete mount point */
358 PNewStatMount, /* 29 -- new style mount point stat */
359 PGetFileCell, /* 30 -- get cell name for input file */
360 PGetWSCell, /* 31 -- get cell name for workstation */
361 PMariner, /* 32 - set/get mariner host */
362 PGetUserCell, /* 33 -- get cell name for user */
363 PBogus, /* 34 -- Enable/Disable logging */
364 PGetCellStatus, /* 35 */
365 PSetCellStatus, /* 36 */
366 PFlushVolumeData, /* 37 -- flush all data from a volume */
367 PSetSysName, /* 38 - Set system name */
368 PExportAfs, /* 39 - Export Afs to remote nfs clients */
369 PGetCacheSize, /* 40 - get cache size and usage */
370 PGetVnodeXStatus, /* 41 - get vcache's special status */
371 PSetSPrefs33, /* 42 - Set CM Server preferences... */
372 PGetSPrefs, /* 43 - Get CM Server preferences... */
373 PGag, /* 44 - turn off/on all CM messages */
374 PTwiddleRx, /* 45 - adjust some RX params */
375 PSetSPrefs, /* 46 - Set CM Server preferences... */
376 PStoreBehind, /* 47 - set degree of store behind to be done */
377 PGCPAGs, /* 48 - disable automatic pag gc-ing */
378 PGetInitParams, /* 49 - get initial cm params */
379 PGetCPrefs, /* 50 - get client interface addresses */
380 PSetCPrefs, /* 51 - set client interface addresses */
381 PFlushMount, /* 52 - flush mount symlink data */
382 PRxStatProc, /* 53 - control process RX statistics */
383 PRxStatPeer, /* 54 - control peer RX statistics */
384 PGetRxkcrypt, /* 55 -- Get rxkad encryption flag */
385 PSetRxkcrypt, /* 56 -- Set rxkad encryption flag */
386 PBogus, /* 57 -- arla: set file prio */
387 PBogus, /* 58 -- arla: fallback getfh */
388 PBogus, /* 59 -- arla: fallback fhopen */
389 PBogus, /* 60 -- arla: controls xfsdebug */
390 PBogus, /* 61 -- arla: controls arla debug */
391 PBogus, /* 62 -- arla: debug interface */
392 PBogus, /* 63 -- arla: print xfs status */
393 PBogus, /* 64 -- arla: force cache check */
394 PBogus, /* 65 -- arla: break callback */
395 PPrefetchFromTape, /* 66 -- MR-AFS: prefetch file from tape */
396 PFsCmd, /* 67 -- RXOSD: generic commnd interface */
397 PBogus, /* 68 -- arla: fetch stats */
398 PGetVnodeXStatus2, /* 69 - get caller access and some vcache status */
401 static pioctlFunction CpioctlSw[] = {
403 PNewAlias, /* 1 -- create new cell alias */
404 PListAliases, /* 2 -- list cell aliases */
405 PCallBackAddr, /* 3 -- request addr for callback rxcon */
407 PDiscon, /* 5 -- get/set discon mode */
418 static pioctlFunction OpioctlSw[] = {
420 PNFSNukeCreds, /* 1 -- nuke all creds for NFS client */
421 #if defined(AFS_CACHE_BYPASS)
422 PSetCachingThreshold /* 2 -- get/set cache-bypass size threshold */
424 PNoop /* 2 -- get/set cache-bypass size threshold */
428 #define PSetClientContext 99 /* Special pioctl to setup caller's creds */
429 int afs_nobody = NFS_NOBODY;
432 HandleIoctl(register struct vcache *avc, register afs_int32 acom,
433 struct afs_ioctl *adata)
435 register afs_int32 code;
438 AFS_STATCNT(HandleIoctl);
440 switch (acom & 0xff) {
442 avc->f.states |= CSafeStore;
444 /* SXW - Should we force a MetaData flush for this flag setting */
447 /* case 2 used to be abort store, but this is no longer provided,
448 * since it is impossible to implement under normal Unix.
452 /* return the name of the cell this file is open on */
453 register struct cell *tcell;
454 register afs_int32 i;
456 tcell = afs_GetCell(avc->f.fid.Cell, READ_LOCK);
458 i = strlen(tcell->cellName) + 1; /* bytes to copy out */
460 if (i > adata->out_size) {
461 /* 0 means we're not interested in the output */
462 if (adata->out_size != 0)
466 AFS_COPYOUT(tcell->cellName, adata->out, i, code);
468 afs_PutCell(tcell, READ_LOCK);
474 case 49: /* VIOC_GETINITPARAMS */
475 if (adata->out_size < sizeof(struct cm_initparams)) {
478 AFS_COPYOUT(&cm_initParams, adata->out,
479 sizeof(struct cm_initparams), code);
491 return code; /* so far, none implemented */
495 /* For aix we don't temporarily bypass ioctl(2) but rather do our
496 * thing directly in the vnode layer call, VNOP_IOCTL; thus afs_ioctl
497 * is now called from afs_gn_ioctl.
500 afs_ioctl(struct vcache *tvc, int cmd, int arg)
502 struct afs_ioctl data;
505 AFS_STATCNT(afs_ioctl);
506 if (((cmd >> 8) & 0xff) == 'V') {
507 /* This is a VICEIOCTL call */
508 AFS_COPYIN(arg, (caddr_t) & data, sizeof(data), error);
511 error = HandleIoctl(tvc, cmd, &data);
514 /* No-op call; just return. */
518 # if defined(AFS_AIX32_ENV)
519 # if defined(AFS_AIX51_ENV)
522 kioctl(int fdes, int com, caddr_t arg, caddr_t ext, caddr_t arg2,
524 # else /* __64BIT__ */
526 kioctl32(int fdes, int com, caddr_t arg, caddr_t ext, caddr_t arg2,
528 # endif /* __64BIT__ */
531 kioctl(int fdes, int com, caddr_t arg, caddr_t ext)
532 # endif /* AFS_AIX51_ENV */
537 # ifdef AFS_AIX51_ENV
540 } u_uap, *uap = &u_uap;
542 register struct vcache *tvc;
543 register int ioctlDone = 0, code = 0;
545 AFS_STATCNT(afs_xioctl);
549 # ifdef AFS_AIX51_ENV
553 if (setuerror(getf(uap->fd, &fd))) {
556 if (fd->f_type == DTYPE_VNODE) {
557 /* good, this is a vnode; next see if it is an AFS vnode */
558 tvc = VTOAFS(fd->f_vnode); /* valid, given a vnode */
559 if (tvc && IsAfsVnode(AFSTOV(tvc))) {
560 /* This is an AFS vnode */
561 if (((uap->com >> 8) & 0xff) == 'V') {
562 register struct afs_ioctl *datap;
565 (struct afs_ioctl *)osi_AllocSmallSpace(AFS_SMALLOCSIZ);
566 code=copyin_afs_ioctl((char *)uap->arg, datap);
568 osi_FreeSmallSpace(datap);
570 # if defined(AFS_AIX41_ENV)
573 return (setuerror(code), code);
575 code = HandleIoctl(tvc, uap->com, datap);
576 osi_FreeSmallSpace(datap);
579 # if defined(AFS_AIX41_ENV)
586 # if defined(AFS_AIX41_ENV)
588 # if defined(AFS_AIX51_ENV)
590 code = okioctl(fdes, com, arg, ext, arg2, arg3);
591 # else /* __64BIT__ */
592 code = okioctl32(fdes, com, arg, ext, arg2, arg3);
593 # endif /* __64BIT__ */
594 # else /* !AFS_AIX51_ENV */
595 code = okioctl(fdes, com, arg, ext);
596 # endif /* AFS_AIX51_ENV */
598 # elif defined(AFS_AIX32_ENV)
599 okioctl(fdes, com, arg, ext);
602 # if defined(KERNEL_HAVE_UERROR)
605 # if !defined(AFS_AIX41_ENV)
606 return (getuerror()? -1 : u.u_ioctlrv);
608 return getuerror()? -1 : 0;
615 #elif defined(AFS_SGI_ENV)
616 # if defined(AFS_SGI65_ENV)
617 afs_ioctl(OSI_VN_DECL(tvc), int cmd, void *arg, int flag, cred_t * cr,
618 rval_t * rvalp, struct vopbd * vbds)
620 afs_ioctl(OSI_VN_DECL(tvc), int cmd, void *arg, int flag, cred_t * cr,
621 rval_t * rvalp, struct vopbd * vbds)
624 struct afs_ioctl data;
630 AFS_STATCNT(afs_ioctl);
631 if (((cmd >> 8) & 0xff) == 'V') {
632 /* This is a VICEIOCTL call */
633 error = copyin_afs_ioctl(arg, &data);
636 locked = ISAFS_GLOCK();
639 error = HandleIoctl(tvc, cmd, &data);
644 /* No-op call; just return. */
648 #elif defined(AFS_SUN5_ENV)
649 struct afs_ioctl_sys {
656 afs_xioctl(struct afs_ioctl_sys *uap, rval_t *rvp)
659 register struct vcache *tvc;
660 register int ioctlDone = 0, code = 0;
662 AFS_STATCNT(afs_xioctl);
663 # if defined(AFS_SUN57_ENV)
667 # elif defined(AFS_SUN54_ENV)
672 if (code = getf(uap->fd, &fd)) {
676 if (fd->f_vnode->v_type == VREG || fd->f_vnode->v_type == VDIR) {
677 tvc = VTOAFS(fd->f_vnode); /* valid, given a vnode */
678 if (tvc && IsAfsVnode(AFSTOV(tvc))) {
679 /* This is an AFS vnode */
680 if (((uap->com >> 8) & 0xff) == 'V') {
681 register struct afs_ioctl *datap;
684 (struct afs_ioctl *)osi_AllocSmallSpace(AFS_SMALLOCSIZ);
685 code=copyin_afs_ioctl((char *)uap->arg, datap);
687 osi_FreeSmallSpace(datap);
689 # if defined(AFS_SUN54_ENV)
696 code = HandleIoctl(tvc, uap->com, datap);
697 osi_FreeSmallSpace(datap);
703 # if defined(AFS_SUN57_ENV)
705 # elif defined(AFS_SUN54_ENV)
711 code = ioctl(uap, rvp);
715 #elif defined(AFS_LINUX22_ENV)
716 struct afs_ioctl_sys {
721 afs_xioctl(struct inode *ip, struct file *fp, unsigned int com,
724 struct afs_ioctl_sys ua, *uap = &ua;
725 register struct vcache *tvc;
726 register int ioctlDone = 0, code = 0;
728 AFS_STATCNT(afs_xioctl);
733 if (tvc && IsAfsVnode(AFSTOV(tvc))) {
734 /* This is an AFS vnode */
735 if (((uap->com >> 8) & 0xff) == 'V') {
736 register struct afs_ioctl *datap;
738 datap = osi_AllocSmallSpace(AFS_SMALLOCSIZ);
739 code = copyin_afs_ioctl((char *)uap->arg, datap);
741 osi_FreeSmallSpace(datap);
745 code = HandleIoctl(tvc, uap->com, datap);
746 osi_FreeSmallSpace(datap);
755 #elif defined(AFS_DARWIN_ENV) && !defined(AFS_DARWIN80_ENV)
763 afs_xioctl(afs_proc_t *p, register struct ioctl_args *uap, register_t *retval)
766 register struct vcache *tvc;
767 register int ioctlDone = 0, code = 0;
769 AFS_STATCNT(afs_xioctl);
770 if ((code = fdgetf(p, uap->fd, &fd)))
772 if (fd->f_type == DTYPE_VNODE) {
773 tvc = VTOAFS((struct vnode *)fd->f_data); /* valid, given a vnode */
774 if (tvc && IsAfsVnode(AFSTOV(tvc))) {
775 /* This is an AFS vnode */
776 if (((uap->com >> 8) & 0xff) == 'V') {
777 register struct afs_ioctl *datap;
779 datap = osi_AllocSmallSpace(AFS_SMALLOCSIZ);
780 code = copyin_afs_ioctl((char *)uap->arg, datap);
782 osi_FreeSmallSpace(datap);
786 code = HandleIoctl(tvc, uap->com, datap);
787 osi_FreeSmallSpace(datap);
795 return ioctl(p, uap, retval);
799 #elif defined(AFS_XBSD_ENV)
800 # if defined(AFS_FBSD_ENV)
803 afs_xioctl(struct thread *td, register struct ioctl_args *uap,
806 afs_proc_t *p = td->td_proc;
815 afs_xioctl(afs_proc_t *p, register struct ioctl_args *uap, register_t *retval)
818 register struct filedesc *fdp;
819 register struct vcache *tvc;
820 register int ioctlDone = 0, code = 0;
823 AFS_STATCNT(afs_xioctl);
824 # if defined(AFS_NBSD40_ENV)
825 fdp = p->l_proc->p_fd;
829 if ((u_int) uap->fd >= fdp->fd_nfiles
830 || (fd = fdp->fd_ofiles[uap->fd]) == NULL)
832 if ((fd->f_flag & (FREAD | FWRITE)) == 0)
834 /* first determine whether this is any sort of vnode */
835 if (fd->f_type == DTYPE_VNODE) {
836 /* good, this is a vnode; next see if it is an AFS vnode */
837 # if defined(AFS_OBSD_ENV)
839 IsAfsVnode((struct vnode *)fd->
840 f_data) ? VTOAFS((struct vnode *)fd->f_data) : NULL;
842 tvc = VTOAFS((struct vnode *)fd->f_data); /* valid, given a vnode */
844 if (tvc && IsAfsVnode(AFSTOV(tvc))) {
845 /* This is an AFS vnode */
846 if (((uap->com >> 8) & 0xff) == 'V') {
847 register struct afs_ioctl *datap;
849 datap = osi_AllocSmallSpace(AFS_SMALLOCSIZ);
850 code = copyin_afs_ioctl((char *)uap->arg, datap);
852 osi_FreeSmallSpace(datap);
856 code = HandleIoctl(tvc, uap->com, datap);
857 osi_FreeSmallSpace(datap);
865 # if defined(AFS_FBSD_ENV)
866 return ioctl(td, uap);
867 # elif defined(AFS_OBSD_ENV)
868 code = sys_ioctl(p, uap, retval);
869 # elif defined(AFS_NBSD_ENV)
870 struct lwp *l = osi_curproc();
871 code = sys_ioctl(l, uap, retval);
877 #elif defined(UKERNEL)
885 } *uap = (struct a *)get_user_struct()->u_ap;
886 register struct file *fd;
887 register struct vcache *tvc;
888 register int ioctlDone = 0, code = 0;
890 AFS_STATCNT(afs_xioctl);
895 /* first determine whether this is any sort of vnode */
896 if (fd->f_type == DTYPE_VNODE) {
897 /* good, this is a vnode; next see if it is an AFS vnode */
898 tvc = VTOAFS((struct vnode *)fd->f_data); /* valid, given a vnode */
899 if (tvc && IsAfsVnode(AFSTOV(tvc))) {
900 /* This is an AFS vnode */
901 if (((uap->com >> 8) & 0xff) == 'V') {
902 register struct afs_ioctl *datap;
904 datap = osi_AllocSmallSpace(AFS_SMALLOCSIZ);
905 code=copyin_afs_ioctl((char *)uap->arg, datap);
907 osi_FreeSmallSpace(datap);
910 return (setuerror(code), code);
912 code = HandleIoctl(tvc, uap->com, datap);
913 osi_FreeSmallSpace(datap);
926 #endif /* AFS_HPUX102_ENV */
928 #if defined(AFS_SGI_ENV)
929 /* "pioctl" system call entry point; just pass argument to the parameterized
938 afs_pioctl(struct pioctlargs *uap, rval_t * rvp)
942 AFS_STATCNT(afs_pioctl);
944 code = afs_syscall_pioctl(uap->path, uap->cmd, uap->cmarg, uap->follow);
946 # ifdef AFS_SGI64_ENV
953 #elif defined(AFS_FBSD_ENV)
955 afs_pioctl(struct thread *td, void *args, int *retval)
962 } *uap = (struct a *)args;
964 AFS_STATCNT(afs_pioctl);
965 return (afs_syscall_pioctl
966 (uap->path, uap->cmd, uap->cmarg, uap->follow, td->td_ucred));
969 #elif defined(AFS_DARWIN_ENV) || defined(AFS_XBSD_ENV)
971 afs_pioctl(afs_proc_t *p, void *args, int *retval)
978 } *uap = (struct a *)args;
980 AFS_STATCNT(afs_pioctl);
981 # if defined(AFS_DARWIN80_ENV) || defined(AFS_NBSD40_ENV)
982 return (afs_syscall_pioctl
983 (uap->path, uap->cmd, uap->cmarg, uap->follow,
986 return (afs_syscall_pioctl
987 (uap->path, uap->cmd, uap->cmarg, uap->follow,
988 # if defined(AFS_FBSD_ENV)
991 p->p_cred->pc_ucred));
998 /* macro to avoid adding any more #ifdef's to pioctl code. */
999 #if defined(AFS_LINUX22_ENV) || defined(AFS_AIX41_ENV)
1000 #define PIOCTL_FREE_CRED() crfree(credp)
1002 #define PIOCTL_FREE_CRED()
1007 afs_syscall_pioctl(char *path, unsigned int com, caddr_t cmarg, int follow,
1008 rval_t *vvp, afs_ucred_t *credp)
1010 #ifdef AFS_DARWIN100_ENV
1011 afs_syscall64_pioctl(user_addr_t path, unsigned int com, user_addr_t cmarg,
1012 int follow, afs_ucred_t *credp)
1013 #elif defined(AFS_DARWIN_ENV) || defined(AFS_XBSD_ENV)
1014 afs_syscall_pioctl(char *path, unsigned int com, caddr_t cmarg, int follow,
1017 afs_syscall_pioctl(char *path, unsigned int com, caddr_t cmarg, int follow)
1021 struct afs_ioctl data;
1022 #ifdef AFS_NEED_CLIENTCONTEXT
1023 afs_ucred_t *tmpcred = NULL;
1025 #if defined(AFS_NEED_CLIENTCONTEXT) || defined(AFS_SUN5_ENV) || defined(AFS_AIX41_ENV) || defined(AFS_LINUX22_ENV) || defined(AFS_DARWIN_ENV) || defined(AFS_XBSD_ENV)
1026 afs_ucred_t *foreigncreds = NULL;
1028 register afs_int32 code = 0;
1029 struct vnode *vp = NULL;
1030 #ifdef AFS_AIX41_ENV
1031 struct ucred *credp = crref(); /* don't free until done! */
1033 #ifdef AFS_LINUX22_ENV
1034 cred_t *credp = crref(); /* don't free until done! */
1038 AFS_STATCNT(afs_syscall_pioctl);
1040 follow = 1; /* compat. with old venus */
1041 code = copyin_afs_ioctl(cmarg, &data);
1044 #if defined(KERNEL_HAVE_UERROR)
1049 if ((com & 0xff) == PSetClientContext) {
1050 #ifdef AFS_NEED_CLIENTCONTEXT
1051 #if defined(AFS_SUN5_ENV) || defined(AFS_AIX41_ENV) || defined(AFS_LINUX22_ENV)
1052 code = HandleClientContext(&data, &com, &foreigncreds, credp);
1054 code = HandleClientContext(&data, &com, &foreigncreds, osi_curcred());
1058 crfree(foreigncreds);
1061 #if defined(KERNEL_HAVE_UERROR)
1062 return (setuerror(code), code);
1067 #else /* AFS_NEED_CLIENTCONTEXT */
1069 #endif /* AFS_NEED_CLIENTCONTEXT */
1071 #ifdef AFS_NEED_CLIENTCONTEXT
1074 * We could have done without temporary setting the u.u_cred below
1075 * (foreigncreds could be passed as param the pioctl modules)
1076 * but calls such as afs_osi_suser() doesn't allow that since it
1077 * references u.u_cred directly. We could, of course, do something
1078 * like afs_osi_suser(cred) which, I think, is better since it
1079 * generalizes and supports multi cred environments...
1081 #if defined(AFS_SUN5_ENV) || defined(AFS_LINUX22_ENV)
1083 credp = foreigncreds;
1084 #elif defined(AFS_AIX41_ENV)
1085 tmpcred = crref(); /* XXX */
1086 crset(foreigncreds);
1087 #elif defined(AFS_HPUX101_ENV)
1088 tmpcred = p_cred(u.u_procp);
1089 set_p_cred(u.u_procp, foreigncreds);
1090 #elif defined(AFS_SGI_ENV)
1091 tmpcred = OSI_GET_CURRENT_CRED();
1092 OSI_SET_CURRENT_CRED(foreigncreds);
1095 u.u_cred = foreigncreds;
1098 #endif /* AFS_NEED_CLIENTCONTEXT */
1099 if ((com & 0xff) == 15) {
1100 /* special case prefetch so entire pathname eval occurs in helper process.
1101 * otherwise, the pioctl call is essentially useless */
1102 #if defined(AFS_SUN5_ENV) || defined(AFS_AIX41_ENV) || defined(AFS_LINUX22_ENV) || defined(AFS_DARWIN_ENV) || defined(AFS_XBSD_ENV)
1104 Prefetch(path, &data, follow,
1105 foreigncreds ? foreigncreds : credp);
1107 code = Prefetch(path, &data, follow, osi_curcred());
1110 #if defined(KERNEL_HAVE_UERROR)
1117 #ifdef AFS_AIX41_ENV
1119 lookupname(path, USR, follow, NULL, &vp,
1120 foreigncreds ? foreigncreds : credp);
1122 #ifdef AFS_LINUX22_ENV
1123 code = gop_lookupname_user(path, AFS_UIOUSER, follow, &dp);
1125 vp = (struct vnode *)dp->d_inode;
1127 code = gop_lookupname_user(path, AFS_UIOUSER, follow, &vp);
1128 #if defined(AFS_FBSD80_ENV) /* XXX check on 7x */
1131 #endif /* AFS_FBSD80_ENV */
1132 #endif /* AFS_LINUX22_ENV */
1133 #endif /* AFS_AIX41_ENV */
1137 #if defined(KERNEL_HAVE_UERROR)
1145 #if defined(AFS_SUN510_ENV)
1146 if (vp && !IsAfsVnode(vp)) {
1147 struct vnode *realvp;
1149 #ifdef AFS_SUN511_ENV
1150 (VOP_REALVP(vp, &realvp, NULL) == 0)
1152 (VOP_REALVP(vp, &realvp) == 0)
1155 struct vnode *oldvp = vp;
1163 /* now make the call if we were passed no file, or were passed an AFS file */
1164 if (!vp || IsAfsVnode(vp)) {
1165 #if defined(AFS_SUN5_ENV)
1166 code = afs_HandlePioctl(vp, com, &data, follow, &credp);
1167 #elif defined(AFS_AIX41_ENV)
1169 struct ucred *cred1, *cred2;
1172 cred1 = cred2 = foreigncreds;
1174 cred1 = cred2 = credp;
1176 code = afs_HandlePioctl(vp, com, &data, follow, &cred1);
1177 if (cred1 != cred2) {
1178 /* something changed the creds */
1182 #elif defined(AFS_HPUX101_ENV)
1184 struct ucred *cred = p_cred(u.u_procp);
1185 code = afs_HandlePioctl(vp, com, &data, follow, &cred);
1187 #elif defined(AFS_SGI_ENV)
1190 credp = OSI_GET_CURRENT_CRED();
1191 code = afs_HandlePioctl(vp, com, &data, follow, &credp);
1193 #elif defined(AFS_LINUX22_ENV) || defined(AFS_DARWIN_ENV) || defined(AFS_XBSD_ENV)
1194 code = afs_HandlePioctl(vp, com, &data, follow, &credp);
1195 #elif defined(UKERNEL)
1196 code = afs_HandlePioctl(vp, com, &data, follow,
1197 &(get_user_struct()->u_cred));
1199 code = afs_HandlePioctl(vp, com, &data, follow, &u.u_cred);
1202 #if defined(KERNEL_HAVE_UERROR)
1205 code = EINVAL; /* not in /afs */
1210 #if defined(AFS_NEED_CLIENTCONTEXT)
1212 #ifdef AFS_AIX41_ENV
1213 crset(tmpcred); /* restore original credentials */
1215 #if defined(AFS_HPUX101_ENV)
1216 set_p_cred(u.u_procp, tmpcred); /* restore original credentials */
1217 #elif defined(AFS_SGI_ENV)
1218 OSI_SET_CURRENT_CRED(tmpcred); /* restore original credentials */
1219 #elif defined(AFS_SUN5_ENV) || defined(AFS_LINUX22_ENV)
1220 credp = tmpcred; /* restore original credentials */
1222 osi_curcred() = tmpcred; /* restore original credentials */
1223 #endif /* AFS_HPUX101_ENV */
1224 crfree(foreigncreds);
1227 #endif /* AFS_NEED_CLIENTCONTEXT */
1229 #ifdef AFS_LINUX22_ENV
1232 #if defined(AFS_FBSD80_ENV)
1233 if (VOP_ISLOCKED(vp))
1235 #endif /* AFS_FBSD80_ENV */
1236 AFS_RELE(vp); /* put vnode back */
1240 #if defined(KERNEL_HAVE_UERROR)
1243 return (getuerror());
1249 #ifdef AFS_DARWIN100_ENV
1251 afs_syscall_pioctl(char * path, unsigned int com, caddr_t cmarg,
1252 int follow, afs_ucred_t *credp)
1254 return afs_syscall64_pioctl(CAST_USER_ADDR_T(path), com,
1255 CAST_USER_ADDR_T((unsigned int)cmarg), follow,
1260 #define MAXPIOCTLTOKENLEN \
1261 (3*sizeof(afs_int32)+MAXKTCTICKETLEN+sizeof(struct ClearToken)+MAXKTCREALMLEN)
1264 afs_HandlePioctl(struct vnode *avp, afs_int32 acom,
1265 register struct afs_ioctl *ablob, int afollow,
1266 afs_ucred_t **acred)
1269 struct vrequest treq;
1270 register afs_int32 code;
1271 register afs_int32 function, device;
1272 struct afs_pdata input, output;
1273 struct afs_pdata copyInput, copyOutput;
1275 pioctlFunction *pioctlSw;
1277 struct afs_fakestat_state fakestate;
1279 memset(&input, 0, sizeof(input));
1280 memset(&output, 0, sizeof(output));
1282 avc = avp ? VTOAFS(avp) : NULL;
1283 afs_Trace3(afs_iclSetp, CM_TRACE_PIOCTL, ICL_TYPE_INT32, acom & 0xff,
1284 ICL_TYPE_POINTER, avc, ICL_TYPE_INT32, afollow);
1285 AFS_STATCNT(HandlePioctl);
1287 code = afs_InitReq(&treq, *acred);
1291 afs_InitFakeStat(&fakestate);
1293 code = afs_EvalFakeStat(&avc, &fakestate, &treq);
1297 device = (acom & 0xff00) >> 8;
1299 case 'V': /* Original pioctls */
1300 pioctlSw = VpioctlSw;
1301 pioctlSwSize = sizeof(VpioctlSw);
1303 case 'C': /* Coordinated/common pioctls */
1304 pioctlSw = CpioctlSw;
1305 pioctlSwSize = sizeof(CpioctlSw);
1307 case 'O': /* Coordinated/common pioctls */
1308 pioctlSw = OpioctlSw;
1309 pioctlSwSize = sizeof(OpioctlSw);
1315 function = acom & 0xff;
1316 if (function >= (pioctlSwSize / sizeof(char *))) {
1321 /* Do all range checking before continuing */
1322 if (ablob->in_size > MAXPIOCTLTOKENLEN ||
1323 ablob->in_size < 0 || ablob->out_size < 0) {
1328 code = afs_pd_alloc(&input, ablob->in_size);
1332 if (ablob->in_size > 0) {
1333 AFS_COPYIN(ablob->in, input.ptr, ablob->in_size, code);
1334 input.ptr[input.remaining] = '\0';
1339 if (function == 8 && device == 'V') { /* PGetTokens */
1340 code = afs_pd_alloc(&output, MAXPIOCTLTOKENLEN);
1342 code = afs_pd_alloc(&output, AFS_LRALLOCSIZ);
1348 copyOutput = output;
1351 (*pioctlSw[function]) (avc, function, &treq, ©Input,
1352 ©Output, acred);
1354 outSize = copyOutput.ptr - output.ptr;
1356 if (code == 0 && ablob->out_size > 0) {
1357 if (outSize > ablob->out_size) {
1358 code = E2BIG; /* data wont fit in user buffer */
1359 } else if (outSize) {
1360 AFS_COPYOUT(output.ptr, ablob->out, outSize, code);
1365 afs_pd_free(&input);
1366 afs_pd_free(&output);
1368 afs_PutFakeStat(&fakestate);
1369 return afs_CheckCode(code, &treq, 41);
1373 * VIOCGETFID (22) - Get file ID quickly
1377 * \param[in] ain not in use
1378 * \param[out] aout fid of requested file
1380 * \retval EINVAL Error if some of the initial arguments aren't set
1382 * \post get the file id of some file
1384 DECL_PIOCTL(PGetFID)
1386 AFS_STATCNT(PGetFID);
1389 if (afs_pd_putBytes(aout, &avc->f.fid, sizeof(struct VenusFid)) != 0)
1395 * VIOCSETAL (1) - Set access control list
1399 * \param[in] ain the ACL being set
1400 * \param[out] aout the ACL being set returned
1402 * \retval EINVAL Error if some of the standard args aren't set
1404 * \post Changed ACL, via direct writing to the wire
1407 dummy_PSetAcl(char *ain, char *aout)
1412 DECL_PIOCTL(PSetAcl)
1414 register afs_int32 code;
1415 struct afs_conn *tconn;
1416 struct AFSOpaque acl;
1417 struct AFSVolSync tsync;
1418 struct AFSFetchStatus OutStatus;
1421 AFS_STATCNT(PSetAcl);
1425 if (afs_pd_getStringPtr(ain, &acl.AFSOpaque_val) != 0)
1427 acl.AFSOpaque_len = strlen(acl.AFSOpaque_val) + 1;
1428 if (acl.AFSOpaque_len > 1024)
1432 tconn = afs_Conn(&avc->f.fid, areq, SHARED_LOCK);
1434 XSTATS_START_TIME(AFS_STATS_FS_RPCIDX_STOREACL);
1437 RXAFS_StoreACL(tconn->id, (struct AFSFid *)&avc->f.fid.Fid,
1438 &acl, &OutStatus, &tsync);
1443 } while (afs_Analyze
1444 (tconn, code, &avc->f.fid, areq, AFS_STATS_FS_RPCIDX_STOREACL,
1445 SHARED_LOCK, NULL));
1447 /* now we've forgotten all of the access info */
1448 ObtainWriteLock(&afs_xcbhash, 455);
1450 afs_DequeueCallback(avc);
1451 avc->f.states &= ~(CStatd | CUnique);
1452 ReleaseWriteLock(&afs_xcbhash);
1453 if (avc->f.fid.Fid.Vnode & 1 || (vType(avc) == VDIR))
1454 osi_dnlc_purgedp(avc);
1456 /* SXW - Should we flush metadata here? */
1460 int afs_defaultAsynchrony = 0;
1463 * VIOC_STOREBEHIND (47) Adjust store asynchrony
1467 * \param[in] ain sbstruct (store behind structure) input
1468 * \param[out] aout resulting sbstruct
1471 * Error if the user doesn't have super-user credentials
1473 * Error if there isn't enough access to not check the mode bits
1476 * Changes either the default asynchrony (the amount of data that
1477 * can remain to be written when the cache manager returns control
1478 * to the user), or the asyncrony for the specified file.
1480 DECL_PIOCTL(PStoreBehind)
1482 struct sbstruct sbr;
1484 if (afs_pd_getBytes(ain, &sbr, sizeof(struct sbstruct)) != 0)
1487 if (sbr.sb_default != -1) {
1488 if (afs_osi_suser(*acred))
1489 afs_defaultAsynchrony = sbr.sb_default;
1494 if (avc && (sbr.sb_thisfile != -1)) {
1496 (avc, PRSFS_WRITE | PRSFS_ADMINISTER, areq, DONT_CHECK_MODE_BITS))
1497 avc->asynchrony = sbr.sb_thisfile;
1502 memset(&sbr, 0, sizeof(sbr));
1503 sbr.sb_default = afs_defaultAsynchrony;
1505 sbr.sb_thisfile = avc->asynchrony;
1508 return afs_pd_putBytes(aout, &sbr, sizeof(sbr));
1512 * VIOC_GCPAGS (48) - Disable automatic PAG gc'ing
1516 * \param[in] ain not in use
1517 * \param[out] aout not in use
1519 * \retval EACCES Error if the user doesn't have super-user credentials
1521 * \post set the gcpags to GCPAGS_USERDISABLED
1523 DECL_PIOCTL(PGCPAGs)
1525 if (!afs_osi_suser(*acred)) {
1528 afs_gcpags = AFS_GCPAGS_USERDISABLED;
1533 * VIOCGETAL (2) - Get access control list
1537 * \param[in] ain not in use
1538 * \param[out] aout the ACL
1540 * \retval EINVAL Error if some of the standard args aren't set
1541 * \retval ERANGE Error if the vnode of the file id is too large
1542 * \retval -1 Error if getting the ACL failed
1544 * \post Obtain the ACL, based on file ID
1547 * There is a hack to tell which type of ACL is being returned, checks
1548 * the top 2-bytes of the input size to judge what type of ACL it is,
1549 * only for dfs xlator ACLs
1551 DECL_PIOCTL(PGetAcl)
1553 struct AFSOpaque acl;
1554 struct AFSVolSync tsync;
1555 struct AFSFetchStatus OutStatus;
1557 struct afs_conn *tconn;
1561 AFS_STATCNT(PGetAcl);
1564 Fid.Volume = avc->f.fid.Fid.Volume;
1565 Fid.Vnode = avc->f.fid.Fid.Vnode;
1566 Fid.Unique = avc->f.fid.Fid.Unique;
1567 if (avc->f.states & CForeign) {
1569 * For a dfs xlator acl we have a special hack so that the
1570 * xlator will distinguish which type of acl will return. So
1571 * we currently use the top 2-bytes (vals 0-4) to tell which
1572 * type of acl to bring back. Horrible hack but this will
1573 * cause the least number of changes to code size and interfaces.
1575 if (Fid.Vnode & 0xc0000000)
1577 Fid.Vnode |= (ain->remaining << 30);
1579 acl.AFSOpaque_val = aout->ptr;
1581 tconn = afs_Conn(&avc->f.fid, areq, SHARED_LOCK);
1583 acl.AFSOpaque_val[0] = '\0';
1584 XSTATS_START_TIME(AFS_STATS_FS_RPCIDX_FETCHACL);
1586 code = RXAFS_FetchACL(tconn->id, &Fid, &acl, &OutStatus, &tsync);
1591 } while (afs_Analyze
1592 (tconn, code, &avc->f.fid, areq, AFS_STATS_FS_RPCIDX_FETCHACL,
1593 SHARED_LOCK, NULL));
1596 if (acl.AFSOpaque_len == 0)
1597 afs_pd_skip(aout, 1); /* leave the NULL */
1599 afs_pd_skip(aout, acl.AFSOpaque_len); /* Length of the ACL */
1605 * PNoop returns success. Used for functions which are not implemented
1606 * or are no longer in use.
1610 * \retval Always returns success
1613 * Functions involved in this:
1614 * 17 (VIOCENGROUP) -- used to be enable group;
1615 * 18 (VIOCDISGROUP) -- used to be disable group;
1616 * 2 (?) -- get/set cache-bypass size threshold
1625 * PBogus returns fail. Used for functions which are not implemented or
1626 * are no longer in use.
1630 * \retval EINVAL Always returns this value
1633 * Functions involved in this:
1639 * 13 (VIOCGETTIME) -- used to be quick check time;
1640 * 15 (VIOCPREFETCH) -- prefetch is now special-cased; see pioctl code!;
1641 * 16 (VIOCNOP) -- used to be testing code;
1642 * 19 (VIOCLISTGROUPS) -- used to be list group;
1643 * 23 (VIOCWAITFOREVER) -- used to be waitforever;
1644 * 57 (VIOC_FPRIOSTATUS) -- arla: set file prio;
1645 * 58 (VIOC_FHGET) -- arla: fallback getfh;
1646 * 59 (VIOC_FHOPEN) -- arla: fallback fhopen;
1647 * 60 (VIOC_XFSDEBUG) -- arla: controls xfsdebug;
1648 * 61 (VIOC_ARLADEBUG) -- arla: controls arla debug;
1649 * 62 (VIOC_AVIATOR) -- arla: debug interface;
1650 * 63 (VIOC_XFSDEBUG_PRINT) -- arla: print xfs status;
1651 * 64 (VIOC_CALCULATE_CACHE) -- arla: force cache check;
1652 * 65 (VIOC_BREAKCELLBACK) -- arla: break callback;
1653 * 68 (?) -- arla: fetch stats;
1657 AFS_STATCNT(PBogus);
1662 * VIOC_FILE_CELL_NAME (30) - Get cell in which file lives
1666 * \param[in] ain not in use (avc used to pass in file id)
1667 * \param[out] aout cell name
1669 * \retval EINVAL Error if some of the standard args aren't set
1670 * \retval ESRCH Error if the file isn't part of a cell
1672 * \post Get a cell based on a passed in file id
1674 DECL_PIOCTL(PGetFileCell)
1676 register struct cell *tcell;
1678 AFS_STATCNT(PGetFileCell);
1681 tcell = afs_GetCell(avc->f.fid.Cell, READ_LOCK);
1685 if (afs_pd_putString(aout, tcell->cellName) != 0)
1688 afs_PutCell(tcell, READ_LOCK);
1693 * VIOC_GET_WS_CELL (31) - Get cell in which workstation lives
1697 * \param[in] ain not in use
1698 * \param[out] aout cell name
1701 * Error if the afs daemon hasn't started yet
1703 * Error if the machine isn't part of a cell, for whatever reason
1705 * \post Get the primary cell that the machine is a part of.
1707 DECL_PIOCTL(PGetWSCell)
1709 struct cell *tcell = NULL;
1711 AFS_STATCNT(PGetWSCell);
1712 if (!afs_resourceinit_flag) /* afs daemons haven't started yet */
1713 return EIO; /* Inappropriate ioctl for device */
1715 tcell = afs_GetPrimaryCell(READ_LOCK);
1716 if (!tcell) /* no primary cell? */
1719 if (afs_pd_putString(aout, tcell->cellName) != 0)
1721 afs_PutCell(tcell, READ_LOCK);
1726 * VIOC_GET_PRIMARY_CELL (33) - Get primary cell for caller
1730 * \param[in] ain not in use (user id found via areq)
1731 * \param[out] aout cell name
1734 * Error if the user id doesn't have a primary cell specified
1736 * \post Get the primary cell for a certain user, based on the user's uid
1738 DECL_PIOCTL(PGetUserCell)
1740 register afs_int32 i;
1741 register struct unixuser *tu;
1742 register struct cell *tcell;
1744 AFS_STATCNT(PGetUserCell);
1745 if (!afs_resourceinit_flag) /* afs daemons haven't started yet */
1746 return EIO; /* Inappropriate ioctl for device */
1748 /* return the cell name of the primary cell for this user */
1749 i = UHash(areq->uid);
1750 ObtainWriteLock(&afs_xuser, 224);
1751 for (tu = afs_users[i]; tu; tu = tu->next) {
1752 if (tu->uid == areq->uid && (tu->states & UPrimary)) {
1754 ReleaseWriteLock(&afs_xuser);
1759 tcell = afs_GetCell(tu->cell, READ_LOCK);
1760 afs_PutUser(tu, WRITE_LOCK);
1764 if (afs_pd_putString(aout, tcell->cellName) != 0)
1766 afs_PutCell(tcell, READ_LOCK);
1769 ReleaseWriteLock(&afs_xuser);
1775 * VIOCSETTOK (3) - Set authentication tokens
1779 * \param[in] ain the krb tickets from which to set the afs tokens
1780 * \param[out] aout not in use
1783 * Error if the ticket is either too long or too short
1785 * Error if the AFS initState is below 101
1787 * Error if the cell for which the Token is being set can't be found
1790 * Set the Tokens for a specific cell name, unless there is none set,
1791 * then default to primary
1794 DECL_PIOCTL(PSetTokens)
1797 register struct unixuser *tu;
1798 struct ClearToken clear;
1799 register struct cell *tcell;
1803 struct vrequest treq;
1804 afs_int32 flag, set_parent_pag = 0;
1806 AFS_STATCNT(PSetTokens);
1807 if (!afs_resourceinit_flag) {
1811 if (afs_pd_getInt(ain, &stLen) != 0)
1814 stp = afs_pd_where(ain); /* remember where the ticket is */
1815 if (stLen < 0 || stLen > MAXKTCTICKETLEN)
1816 return EINVAL; /* malloc may fail */
1817 if (afs_pd_skip(ain, stLen) != 0)
1820 if (afs_pd_getInt(ain, &i) != 0)
1822 if (i != sizeof(struct ClearToken))
1825 if (afs_pd_getBytes(ain, &clear, sizeof(struct ClearToken)) !=0)
1828 if (clear.AuthHandle == -1)
1829 clear.AuthHandle = 999; /* more rxvab compat stuff */
1831 if (afs_pd_remaining(ain) != 0) {
1832 /* still stuff left? we've got primary flag and cell name.
1835 if (afs_pd_getInt(ain, &flag) != 0)
1838 /* some versions of gcc appear to need != 0 in order to get this
1840 if ((flag & 0x8000) != 0) { /* XXX Use Constant XXX */
1845 if (afs_pd_getStringPtr(ain, &cellName) != 0)
1848 /* rest is cell name, look it up */
1849 tcell = afs_GetCellByName(cellName, READ_LOCK);
1853 /* default to primary cell, primary id */
1854 flag = 1; /* primary id */
1855 tcell = afs_GetPrimaryCell(READ_LOCK);
1860 afs_PutCell(tcell, READ_LOCK);
1861 if (set_parent_pag) {
1863 #if defined(AFS_DARWIN_ENV) || defined(AFS_XBSD_ENV)
1865 osi_procname(procname, 256);
1866 afs_warnuser("Process %d (%s) tried to change pags in PSetTokens\n",
1867 MyPidxx2Pid(MyPidxx), procname);
1868 if (!setpag(osi_curproc(), acred, -1, &pag, 1)) {
1870 if (!setpag(acred, -1, &pag, 1)) {
1872 afs_InitReq(&treq, *acred);
1876 /* now we just set the tokens */
1877 tu = afs_GetUser(areq->uid, i, WRITE_LOCK); /* i has the cell # */
1878 tu->vid = clear.ViceId;
1879 if (tu->stp != NULL) {
1880 afs_osi_Free(tu->stp, tu->stLen);
1882 tu->stp = (char *)afs_osi_Alloc(stLen);
1883 if (tu->stp == NULL) {
1887 memcpy(tu->stp, stp, stLen);
1890 afs_stats_cmfullperf.authent.TicketUpdates++;
1891 afs_ComputePAGStats();
1892 #endif /* AFS_NOSTATS */
1893 tu->states |= UHasTokens;
1894 tu->states &= ~UTokensBad;
1895 afs_SetPrimary(tu, flag);
1896 tu->tokenTime = osi_Time();
1897 afs_ResetUserConns(tu);
1898 afs_NotifyUser(tu, UTokensObtained);
1899 afs_PutUser(tu, WRITE_LOCK);
1915 * VIOCGETVOLSTAT (4) - Get volume status
1919 * \param[in] ain not in use
1920 * \param[out] aout status of the volume
1922 * \retval EINVAL Error if some of the standard args aren't set
1925 * The status of a volume (based on the FID of the volume), or an
1926 * offline message /motd
1928 DECL_PIOCTL(PGetVolumeStatus)
1931 char *offLineMsg = afs_osi_Alloc(256);
1932 char *motd = afs_osi_Alloc(256);
1933 register struct afs_conn *tc;
1934 register afs_int32 code = 0;
1935 struct AFSFetchVolumeStatus volstat;
1939 AFS_STATCNT(PGetVolumeStatus);
1946 tc = afs_Conn(&avc->f.fid, areq, SHARED_LOCK);
1948 XSTATS_START_TIME(AFS_STATS_FS_RPCIDX_GETVOLUMESTATUS);
1951 RXAFS_GetVolumeStatus(tc->id, avc->f.fid.Fid.Volume, &volstat,
1952 &Name, &offLineMsg, &motd);
1957 } while (afs_Analyze
1958 (tc, code, &avc->f.fid, areq, AFS_STATS_FS_RPCIDX_GETVOLUMESTATUS,
1959 SHARED_LOCK, NULL));
1963 /* Copy all this junk into msg->im_data, keeping track of the lengths. */
1964 if (afs_pd_putBytes(aout, &volstat, sizeof(VolumeStatus)) != 0)
1966 if (afs_pd_putString(aout, volName) != 0)
1968 if (afs_pd_putString(aout, offLineMsg) != 0)
1970 if (afs_pd_putString(aout, motd) != 0)
1973 afs_osi_Free(offLineMsg, 256);
1974 afs_osi_Free(motd, 256);
1979 * VIOCSETVOLSTAT (5) - Set volume status
1984 * values to set the status at, offline message, message of the day,
1985 * volume name, minimum quota, maximum quota
1987 * status of a volume, offlines messages, minimum quota, maximumm quota
1990 * Error if some of the standard args aren't set
1992 * Error if the volume is read only, or a backup volume
1994 * Error if the volume can't be accessed
1996 * Error if the volume name, offline message, and motd are too big
1999 * Set the status of a volume, including any offline messages,
2000 * a minimum quota, and a maximum quota
2002 DECL_PIOCTL(PSetVolumeStatus)
2007 register struct afs_conn *tc;
2008 register afs_int32 code = 0;
2009 struct AFSFetchVolumeStatus volstat;
2010 struct AFSStoreVolumeStatus storeStat;
2011 register struct volume *tvp;
2014 AFS_STATCNT(PSetVolumeStatus);
2018 tvp = afs_GetVolume(&avc->f.fid, areq, READ_LOCK);
2020 if (tvp->states & (VRO | VBackup)) {
2021 afs_PutVolume(tvp, READ_LOCK);
2024 afs_PutVolume(tvp, READ_LOCK);
2029 if (afs_pd_getBytes(ain, &volstat, sizeof(AFSFetchVolumeStatus)) != 0)
2032 if (afs_pd_getStringPtr(ain, &volName) != 0)
2034 if (strlen(volName) > 32)
2037 if (afs_pd_getStringPtr(ain, &offLineMsg) != 0)
2039 if (strlen(offLineMsg) > 256)
2042 if (afs_pd_getStringPtr(ain, &motd) != 0)
2044 if (strlen(motd) > 256)
2047 /* Done reading ... */
2050 if (volstat.MinQuota != -1) {
2051 storeStat.MinQuota = volstat.MinQuota;
2052 storeStat.Mask |= AFS_SETMINQUOTA;
2054 if (volstat.MaxQuota != -1) {
2055 storeStat.MaxQuota = volstat.MaxQuota;
2056 storeStat.Mask |= AFS_SETMAXQUOTA;
2059 tc = afs_Conn(&avc->f.fid, areq, SHARED_LOCK);
2061 XSTATS_START_TIME(AFS_STATS_FS_RPCIDX_SETVOLUMESTATUS);
2064 RXAFS_SetVolumeStatus(tc->id, avc->f.fid.Fid.Volume, &storeStat,
2065 volName, offLineMsg, motd);
2070 } while (afs_Analyze
2071 (tc, code, &avc->f.fid, areq, AFS_STATS_FS_RPCIDX_SETVOLUMESTATUS,
2072 SHARED_LOCK, NULL));
2076 /* we are sending parms back to make compat. with prev system. should
2077 * change interface later to not ask for current status, just set new
2080 if (afs_pd_putBytes(aout, &volstat, sizeof(VolumeStatus)) != 0)
2082 if (afs_pd_putString(aout, volName) != 0)
2084 if (afs_pd_putString(aout, offLineMsg) != 0)
2086 if (afs_pd_putString(aout, motd) != 0)
2093 * VIOCFLUSH (6) - Invalidate cache entry
2097 * \param[in] ain not in use
2098 * \param[out] aout not in use
2100 * \retval EINVAL Error if some of the standard args aren't set
2102 * \post Flush any information the cache manager has on an entry
2106 AFS_STATCNT(PFlush);
2109 #ifdef AFS_BOZONLOCK_ENV
2110 afs_BozonLock(&avc->pvnLock, avc); /* Since afs_TryToSmush will do a pvn_vptrunc */
2112 ObtainWriteLock(&avc->lock, 225);
2113 afs_ResetVCache(avc, *acred);
2114 ReleaseWriteLock(&avc->lock);
2115 #ifdef AFS_BOZONLOCK_ENV
2116 afs_BozonUnlock(&avc->pvnLock, avc);
2122 * VIOC_AFS_STAT_MT_PT (29) - Stat mount point
2127 * the last component in a path, related to mountpoint that we're
2128 * looking for information about
2130 * volume, cell, link data
2132 * \retval EINVAL Error if some of the standard args aren't set
2133 * \retval ENOTDIR Error if the 'mount point' argument isn't a directory
2134 * \retval EIO Error if the link data can't be accessed
2136 * \post Get the volume, and cell, as well as the link data for a mount point
2138 DECL_PIOCTL(PNewStatMount)
2140 register afs_int32 code;
2141 register struct vcache *tvc;
2142 register struct dcache *tdc;
2143 struct VenusFid tfid;
2146 struct sysname_info sysState;
2147 afs_size_t offset, len;
2149 AFS_STATCNT(PNewStatMount);
2153 if (afs_pd_getStringPtr(ain, &name) != 0)
2156 code = afs_VerifyVCache(avc, areq);
2159 if (vType(avc) != VDIR) {
2162 tdc = afs_GetDCache(avc, (afs_size_t) 0, areq, &offset, &len, 1);
2165 Check_AtSys(avc, name, &sysState, areq);
2166 ObtainReadLock(&tdc->lock);
2168 code = afs_dir_Lookup(tdc, sysState.name, &tfid.Fid);
2169 } while (code == ENOENT && Next_AtSys(avc, areq, &sysState));
2170 ReleaseReadLock(&tdc->lock);
2171 afs_PutDCache(tdc); /* we're done with the data */
2172 bufp = sysState.name;
2176 tfid.Cell = avc->f.fid.Cell;
2177 tfid.Fid.Volume = avc->f.fid.Fid.Volume;
2178 if (!tfid.Fid.Unique && (avc->f.states & CForeign)) {
2179 tvc = afs_LookupVCache(&tfid, areq, NULL, avc, bufp);
2181 tvc = afs_GetVCache(&tfid, areq, NULL, NULL);
2187 if (tvc->mvstat != 1) {
2192 ObtainWriteLock(&tvc->lock, 226);
2193 code = afs_HandleLink(tvc, areq);
2195 if (tvc->linkData) {
2196 if ((tvc->linkData[0] != '#') && (tvc->linkData[0] != '%'))
2199 /* we have the data */
2200 if (afs_pd_putString(aout, tvc->linkData) != 0)
2206 ReleaseWriteLock(&tvc->lock);
2209 if (sysState.allocked)
2210 osi_FreeLargeSpace(bufp);
2215 * VIOCGETTOK (8) - Get authentication tokens
2219 * \param[in] ain cellid to return tokens for
2220 * \param[out] aout token
2223 * Error if the afs daemon hasn't started yet
2225 * Error if the input parameter is out of the bounds of the available
2228 * Error if there aren't tokens for this cell
2231 * If the input paramater exists, get the token that corresponds to
2232 * the parameter value, if there is no token at this value, get the
2233 * token for the first cell
2235 * \notes "it's a weird interface (from comments in the code)"
2238 DECL_PIOCTL(PGetTokens)
2240 register struct cell *tcell;
2241 register afs_int32 i;
2242 register struct unixuser *tu;
2243 afs_int32 iterator = 0;
2247 AFS_STATCNT(PGetTokens);
2248 if (!afs_resourceinit_flag) /* afs daemons haven't started yet */
2249 return EIO; /* Inappropriate ioctl for device */
2251 /* weird interface. If input parameter is present, it is an integer and
2252 * we're supposed to return the parm'th tokens for this unix uid.
2253 * If not present, we just return tokens for cell 1.
2254 * If counter out of bounds, return EDOM.
2255 * If no tokens for the particular cell, return ENOTCONN.
2256 * Also, if this mysterious parm is present, we return, along with the
2257 * tokens, the primary cell indicator (an afs_int32 0) and the cell name
2258 * at the end, in that order.
2260 newStyle = (afs_pd_remaining(ain) > 0);
2262 if (afs_pd_getInt(ain, &iterator) != 0)
2265 i = UHash(areq->uid);
2266 ObtainReadLock(&afs_xuser);
2267 for (tu = afs_users[i]; tu; tu = tu->next) {
2269 if (tu->uid == areq->uid && (tu->states & UHasTokens)) {
2270 if (iterator-- == 0)
2271 break; /* are we done yet? */
2274 if (tu->uid == areq->uid && afs_IsPrimaryCellNum(tu->cell))
2280 * No need to hold a read lock on each user entry
2284 ReleaseReadLock(&afs_xuser);
2289 if (((tu->states & UHasTokens) == 0)
2290 || (tu->ct.EndTimestamp < osi_Time())) {
2291 tu->states |= (UTokensBad | UNeedsReset);
2292 afs_NotifyUser(tu, UTokensDropped);
2293 afs_PutUser(tu, READ_LOCK);
2296 iterator = tu->stLen; /* for compat, we try to return 56 byte tix if they fit */
2298 iterator = 56; /* # of bytes we're returning */
2300 if (afs_pd_putInt(aout, iterator) != 0)
2302 if (afs_pd_putBytes(aout, tu->stp, tu->stLen) != 0)
2304 if (tu->stLen < 56) {
2305 /* Tokens are always 56 bytes or larger */
2306 if (afs_pd_skip(aout, iterator - tu->stLen) != 0) {
2311 if (afs_pd_putInt(aout, sizeof(struct ClearToken)) != 0)
2313 if (afs_pd_putBytes(aout, &tu->ct, sizeof(struct ClearToken)) != 0)
2317 /* put out primary id and cell name, too */
2318 iterator = (tu->states & UPrimary ? 1 : 0);
2319 if (afs_pd_putInt(aout, iterator) != 0)
2321 tcell = afs_GetCell(tu->cell, READ_LOCK);
2323 if (afs_pd_putString(aout, tcell->cellName) != 0)
2325 afs_PutCell(tcell, READ_LOCK);
2327 if (afs_pd_putString(aout, "") != 0)
2330 /* Got here, all is good */
2333 afs_PutUser(tu, READ_LOCK);
2338 * VIOCUNLOG (9) - Invalidate tokens
2342 * \param[in] ain not in use
2343 * \param[out] aout not in use
2345 * \retval EIO Error if the afs daemon hasn't been started yet
2347 * \post remove tokens from a user, specified by the user id
2349 * \notes sets the token's time to 0, which then causes it to be removed
2350 * \notes Unlog is the same as un-pag in OpenAFS
2354 register afs_int32 i;
2355 register struct unixuser *tu;
2357 AFS_STATCNT(PUnlog);
2358 if (!afs_resourceinit_flag) /* afs daemons haven't started yet */
2359 return EIO; /* Inappropriate ioctl for device */
2361 i = UHash(areq->uid);
2362 ObtainWriteLock(&afs_xuser, 227);
2363 for (tu = afs_users[i]; tu; tu = tu->next) {
2364 if (tu->uid == areq->uid) {
2366 tu->states &= ~UHasTokens;
2367 /* security is not having to say you're sorry */
2368 memset(&tu->ct, 0, sizeof(struct ClearToken));
2370 ReleaseWriteLock(&afs_xuser);
2371 afs_NotifyUser(tu, UTokensDropped);
2372 /* We have to drop the lock over the call to afs_ResetUserConns,
2373 * since it obtains the afs_xvcache lock. We could also keep
2374 * the lock, and modify ResetUserConns to take parm saying we
2375 * obtained the lock already, but that is overkill. By keeping
2376 * the "tu" pointer held over the released lock, we guarantee
2377 * that we won't lose our place, and that we'll pass over
2378 * every user conn that existed when we began this call.
2380 afs_ResetUserConns(tu);
2382 ObtainWriteLock(&afs_xuser, 228);
2384 /* set the expire times to 0, causes
2385 * afs_GCUserData to remove this entry
2387 tu->ct.EndTimestamp = 0;
2389 #endif /* UKERNEL */
2392 ReleaseWriteLock(&afs_xuser);
2397 * VIOC_AFS_MARINER_HOST (32) - Get/set mariner (cache manager monitor) host
2401 * \param[in] ain host address to be set
2402 * \param[out] aout old host address
2405 * depending on whether or not a variable is set, either get the host
2406 * for the cache manager monitor, or set the old address and give it
2409 * \notes Errors turn off mariner
2411 DECL_PIOCTL(PMariner)
2413 afs_int32 newHostAddr;
2414 afs_int32 oldHostAddr;
2416 AFS_STATCNT(PMariner);
2418 memcpy((char *)&oldHostAddr, (char *)&afs_marinerHost,
2421 oldHostAddr = 0xffffffff; /* disabled */
2423 if (afs_pd_getInt(ain, &newHostAddr) != 0)
2426 if (newHostAddr == 0xffffffff) {
2427 /* disable mariner operations */
2429 } else if (newHostAddr) {
2431 afs_marinerHost = newHostAddr;
2434 if (afs_pd_putInt(aout, oldHostAddr) != 0)
2441 * VIOCCKSERV (10) - Check that servers are up
2445 * \param[in] ain name of the cell
2446 * \param[out] aout current down server list
2448 * \retval EIO Error if the afs daemon hasn't started yet
2449 * \retval EACCES Error if the user doesn't have super-user credentials
2450 * \retval ENOENT Error if we are unable to obtain the cell
2453 * Either a fast check (where it doesn't contact servers) or a
2454 * local check (checks local cell only)
2456 DECL_PIOCTL(PCheckServers)
2459 register struct server *ts;
2461 char *cellName = NULL;
2463 struct chservinfo *pcheck;
2465 AFS_STATCNT(PCheckServers);
2467 if (!afs_resourceinit_flag) /* afs daemons haven't started yet */
2468 return EIO; /* Inappropriate ioctl for device */
2470 /* This is tricky, because we need to peak at the datastream to see
2471 * what we're getting. For now, let's cheat. */
2473 /* ain contains either an int32 or a string */
2474 if (ain->remaining == 0)
2477 if (*(afs_int32 *)ain->ptr == 0x12345678) { /* For afs3.3 version */
2478 pcheck = afs_pd_inline(ain, sizeof(*pcheck));
2482 if (pcheck->tinterval >= 0) {
2483 if (afs_pd_putInt(aout, afs_probe_interval) != 0)
2485 if (pcheck->tinterval > 0) {
2486 if (!afs_osi_suser(*acred))
2488 afs_probe_interval = pcheck->tinterval;
2492 temp = pcheck->tflags;
2494 cellName = pcheck->tbuffer;
2495 } else { /* For pre afs3.3 versions */
2496 if (afs_pd_getInt(ain, &temp) != 0)
2498 if (afs_pd_remaining(ain) > 0) {
2499 if (afs_pd_getStringPtr(ain, &cellName) != 0)
2505 * 1: fast check, don't contact servers.
2506 * 2: local cell only.
2509 /* have cell name, too */
2510 cellp = afs_GetCellByName(cellName, READ_LOCK);
2515 if (!cellp && (temp & 2)) {
2516 /* use local cell */
2517 cellp = afs_GetPrimaryCell(READ_LOCK);
2519 if (!(temp & 1)) { /* if not fast, call server checker routine */
2520 afs_CheckServers(1, cellp); /* check down servers */
2521 afs_CheckServers(0, cellp); /* check up servers */
2523 /* now return the current down server list */
2524 ObtainReadLock(&afs_xserver);
2525 for (i = 0; i < NSERVERS; i++) {
2526 for (ts = afs_servers[i]; ts; ts = ts->next) {
2527 if (cellp && ts->cell != cellp)
2528 continue; /* cell spec'd and wrong */
2529 if ((ts->flags & SRVR_ISDOWN)
2530 && ts->addr->sa_portal != ts->cell->vlport) {
2531 afs_pd_putInt(aout, ts->addr->sa_ip);
2535 ReleaseReadLock(&afs_xserver);
2537 afs_PutCell(cellp, READ_LOCK);
2542 * VIOCCKBACK (11) - Check backup volume mappings
2546 * \param[in] ain not in use
2547 * \param[out] aout not in use
2549 * \retval EIO Error if the afs daemon hasn't started yet
2552 * Check the root volume, and then check the names if the volume
2553 * check variable is set to force, has expired, is busy, or if
2554 * the mount points variable is set
2556 DECL_PIOCTL(PCheckVolNames)
2558 AFS_STATCNT(PCheckVolNames);
2559 if (!afs_resourceinit_flag) /* afs daemons haven't started yet */
2560 return EIO; /* Inappropriate ioctl for device */
2562 afs_CheckRootVolume();
2563 afs_CheckVolumeNames(AFS_VOLCHECK_FORCE | AFS_VOLCHECK_EXPIRED |
2564 AFS_VOLCHECK_BUSY | AFS_VOLCHECK_MTPTS);
2569 * VIOCCKCONN (12) - Check connections for a user
2573 * \param[in] ain not in use
2574 * \param[out] aout not in use
2577 * Error if no user is specififed, the user has no tokens set,
2578 * or if the user's tokens are bad
2581 * check to see if a user has the correct authentication.
2582 * If so, allow access.
2584 * \notes Check the connections to all the servers specified
2586 DECL_PIOCTL(PCheckAuth)
2590 struct afs_conn *tc;
2591 struct unixuser *tu;
2594 AFS_STATCNT(PCheckAuth);
2595 if (!afs_resourceinit_flag) /* afs daemons haven't started yet */
2596 return EIO; /* Inappropriate ioctl for device */
2599 tu = afs_GetUser(areq->uid, 1, READ_LOCK); /* check local cell authentication */
2603 /* we have a user */
2604 ObtainReadLock(&afs_xsrvAddr);
2605 ObtainReadLock(&afs_xconn);
2607 /* any tokens set? */
2608 if ((tu->states & UHasTokens) == 0)
2610 /* all connections in cell 1 working? */
2611 for (i = 0; i < NSERVERS; i++) {
2612 for (sa = afs_srvAddrs[i]; sa; sa = sa->next_bkt) {
2613 for (tc = sa->conns; tc; tc = tc->next) {
2614 if (tc->user == tu && (tu->states & UTokensBad))
2619 ReleaseReadLock(&afs_xsrvAddr);
2620 ReleaseReadLock(&afs_xconn);
2621 afs_PutUser(tu, READ_LOCK);
2623 if (afs_pd_putInt(aout, retValue) != 0)
2629 Prefetch(uparmtype apath, struct afs_ioctl *adata, int afollow,
2633 register afs_int32 code;
2634 #if defined(AFS_SGI61_ENV) || defined(AFS_SUN57_ENV) || defined(AFS_DARWIN_ENV) || defined(AFS_XBSD_ENV)
2640 AFS_STATCNT(Prefetch);
2643 tp = osi_AllocLargeSpace(1024);
2644 AFS_COPYINSTR(apath, tp, 1024, &bufferSize, code);
2646 osi_FreeLargeSpace(tp);
2649 if (afs_BBusy()) { /* do this as late as possible */
2650 osi_FreeLargeSpace(tp);
2651 return EWOULDBLOCK; /* pretty close */
2653 afs_BQueue(BOP_PATH, (struct vcache *)0, 0, 0, acred, (afs_size_t) 0,
2654 (afs_size_t) 0, tp, (void *)0, (void *)0);
2659 * VIOCWHEREIS (14) - Find out where a volume is located
2663 * \param[in] ain not in use
2664 * \param[out] aout volume location
2666 * \retval EINVAL Error if some of the default arguments don't exist
2667 * \retval ENODEV Error if there is no such volume
2669 * \post fine a volume, based on a volume file id
2671 * \notes check each of the servers specified
2673 DECL_PIOCTL(PFindVolume)
2675 register struct volume *tvp;
2676 register struct server *ts;
2677 register afs_int32 i;
2680 AFS_STATCNT(PFindVolume);
2683 tvp = afs_GetVolume(&avc->f.fid, areq, READ_LOCK);
2687 for (i = 0; i < AFS_MAXHOSTS; i++) {
2688 ts = tvp->serverHost[i];
2691 if (afs_pd_putInt(aout, ts->addr->sa_ip) != 0) {
2696 if (i < AFS_MAXHOSTS) {
2697 /* still room for terminating NULL, add it on */
2698 if (afs_pd_putInt(aout, 0) != 0) {
2704 afs_PutVolume(tvp, READ_LOCK);
2709 * VIOCACCESS (20) - Access using PRS_FS bits
2713 * \param[in] ain PRS_FS bits
2714 * \param[out] aout not in use
2716 * \retval EINVAL Error if some of the initial arguments aren't set
2717 * \retval EACCES Error if access is denied
2719 * \post check to make sure access is allowed
2721 DECL_PIOCTL(PViceAccess)
2723 register afs_int32 code;
2726 AFS_STATCNT(PViceAccess);
2730 code = afs_VerifyVCache(avc, areq);
2734 if (afs_pd_getInt(ain, &temp) != 0)
2737 code = afs_AccessOK(avc, temp, areq, CHECK_MODE_BITS);
2745 * VIOC_GETPAG (13) - Get PAG value
2749 * \param[in] ain not in use
2750 * \param[out] aout PAG value or NOPAG
2752 * \post get PAG value for the caller's cred
2754 DECL_PIOCTL(PGetPAG)
2758 pag = PagInCred(*acred);
2760 return afs_pd_putInt(aout, pag);
2763 DECL_PIOCTL(PPrecache)
2767 /*AFS_STATCNT(PPrecache);*/
2768 if (!afs_osi_suser(*acred))
2771 if (afs_pd_getInt(ain, &newValue) != 0)
2774 afs_preCache = newValue*1024;
2779 * VIOCSETCACHESIZE (24) - Set venus cache size in 1000 units
2783 * \param[in] ain the size the venus cache should be set to
2784 * \param[out] aout not in use
2786 * \retval EACCES Error if the user doesn't have super-user credentials
2787 * \retval EROFS Error if the cache is set to be in memory
2790 * Set the cache size based on user input. If no size is given,
2791 * set it to the default OpenAFS cache size.
2794 * recompute the general cache parameters for every single block allocated
2796 DECL_PIOCTL(PSetCacheSize)
2801 AFS_STATCNT(PSetCacheSize);
2803 if (!afs_osi_suser(*acred))
2805 /* too many things are setup initially in mem cache version */
2806 if (cacheDiskType == AFS_FCACHE_TYPE_MEM)
2808 if (afs_pd_getInt(ain, &newValue) != 0)
2811 afs_cacheBlocks = afs_stats_cmperf.cacheBlocksOrig;
2813 if (newValue < afs_min_cache)
2814 afs_cacheBlocks = afs_min_cache;
2816 afs_cacheBlocks = newValue;
2818 afs_stats_cmperf.cacheBlocksTotal = afs_cacheBlocks;
2819 afs_ComputeCacheParms(); /* recompute basic cache parameters */
2820 afs_MaybeWakeupTruncateDaemon();
2821 while (waitcnt++ < 100 && afs_cacheBlocks < afs_blocksUsed) {
2822 afs_osi_Wait(1000, 0, 0);
2823 afs_MaybeWakeupTruncateDaemon();
2828 #define MAXGCSTATS 16
2830 * VIOCGETCACHEPARMS (40) - Get cache stats
2834 * \param[in] ain afs index flags
2835 * \param[out] aout cache blocks, blocks used, blocks files (in an array)
2837 * \post Get the cache blocks, and how many of the cache blocks there are
2839 DECL_PIOCTL(PGetCacheSize)
2841 afs_int32 results[MAXGCSTATS];
2843 register struct dcache * tdc;
2846 AFS_STATCNT(PGetCacheSize);
2848 if (afs_pd_remaining(ain) == sizeof(afs_int32)) {
2849 afs_pd_getInt(ain, &flags); /* can't error, we just checked size */
2850 } else if (afs_pd_remaining(ain) == 0) {
2856 memset(results, 0, sizeof(results));
2857 results[0] = afs_cacheBlocks;
2858 results[1] = afs_blocksUsed;
2859 results[2] = afs_cacheFiles;
2862 for (i = 0; i < afs_cacheFiles; i++) {
2863 if (afs_indexFlags[i] & IFFree) results[3]++;
2865 } else if (2 == flags){
2866 for (i = 0; i < afs_cacheFiles; i++) {
2867 if (afs_indexFlags[i] & IFFree) results[3]++;
2868 if (afs_indexFlags[i] & IFEverUsed) results[4]++;
2869 if (afs_indexFlags[i] & IFDataMod) results[5]++;
2870 if (afs_indexFlags[i] & IFDirtyPages) results[6]++;
2871 if (afs_indexFlags[i] & IFAnyPages) results[7]++;
2872 if (afs_indexFlags[i] & IFDiscarded) results[8]++;
2874 tdc = afs_indexTable[i];
2877 size = tdc->validPos;
2878 if ( 0 < size && size < (1<<12) ) results[10]++;
2879 else if (size < (1<<14) ) results[11]++;
2880 else if (size < (1<<16) ) results[12]++;
2881 else if (size < (1<<18) ) results[13]++;
2882 else if (size < (1<<20) ) results[14]++;
2883 else if (size >= (1<<20) ) results[15]++;
2887 return afs_pd_putBytes(aout, results, sizeof(results));
2891 * VIOCFLUSHCB (25) - Flush callback only
2895 * \param[in] ain not in use
2896 * \param[out] aout not in use
2898 * \retval EINVAL Error if some of the standard args aren't set
2899 * \retval 0 0 returned if the volume is set to read-only
2902 * Flushes callbacks, by setting the length of callbacks to one,
2903 * setting the next callback to be sent to the CB_DROPPED value,
2904 * and then dequeues everything else.
2906 DECL_PIOCTL(PRemoveCallBack)
2908 register struct afs_conn *tc;
2909 register afs_int32 code = 0;
2910 struct AFSCallBack CallBacks_Array[1];
2911 struct AFSCBFids theFids;
2912 struct AFSCBs theCBs;
2915 AFS_STATCNT(PRemoveCallBack);
2918 if (avc->f.states & CRO)
2919 return 0; /* read-only-ness can't change */
2920 ObtainWriteLock(&avc->lock, 229);
2921 theFids.AFSCBFids_len = 1;
2922 theCBs.AFSCBs_len = 1;
2923 theFids.AFSCBFids_val = (struct AFSFid *)&avc->f.fid.Fid;
2924 theCBs.AFSCBs_val = CallBacks_Array;
2925 CallBacks_Array[0].CallBackType = CB_DROPPED;
2926 if (avc->callback) {
2928 tc = afs_Conn(&avc->f.fid, areq, SHARED_LOCK);
2930 XSTATS_START_TIME(AFS_STATS_FS_RPCIDX_GIVEUPCALLBACKS);
2932 code = RXAFS_GiveUpCallBacks(tc->id, &theFids, &theCBs);
2936 /* don't set code on failure since we wouldn't use it */
2937 } while (afs_Analyze
2938 (tc, code, &avc->f.fid, areq,
2939 AFS_STATS_FS_RPCIDX_GIVEUPCALLBACKS, SHARED_LOCK, NULL));
2941 ObtainWriteLock(&afs_xcbhash, 457);
2942 afs_DequeueCallback(avc);
2944 avc->f.states &= ~(CStatd | CUnique);
2945 ReleaseWriteLock(&afs_xcbhash);
2946 if (avc->f.fid.Fid.Vnode & 1 || (vType(avc) == VDIR))
2947 osi_dnlc_purgedp(avc);
2949 ReleaseWriteLock(&avc->lock);
2954 * VIOCNEWCELL (26) - Configure new cell
2959 * the name of the cell, the hosts that will be a part of the cell,
2960 * whether or not it's linked with another cell, the other cell it's
2961 * linked with, the file server port, and the volume server port
2965 * \retval EIO Error if the afs daemon hasn't started yet
2966 * \retval EACCES Error if the user doesn't have super-user cedentials
2967 * \retval EINVAL Error if some 'magic' var doesn't have a certain bit set
2969 * \post creates a new cell
2971 DECL_PIOCTL(PNewCell)
2973 afs_int32 cellHosts[AFS_MAXCELLHOSTS], magic = 0;
2974 char *newcell = NULL;
2975 char *linkedcell = NULL;
2977 afs_int32 linkedstate = 0;
2978 afs_int32 fsport = 0, vlport = 0;
2981 AFS_STATCNT(PNewCell);
2982 if (!afs_resourceinit_flag) /* afs daemons haven't started yet */
2983 return EIO; /* Inappropriate ioctl for device */
2985 if (!afs_osi_suser(*acred))
2988 if (afs_pd_getInt(ain, &magic) != 0)
2990 if (magic != 0x12345678)
2993 /* A 3.4 fs newcell command will pass an array of AFS_MAXCELLHOSTS
2994 * server addresses while the 3.5 fs newcell command passes
2995 * AFS_MAXHOSTS. To figure out which is which, check if the cellname
2998 * This whole logic is bogus, because it relies on the newer command
2999 * sending its 12th address as 0.
3001 if ((afs_pd_remaining(ain) < AFS_MAXCELLHOSTS +3) * sizeof(afs_int32))
3004 newcell = afs_pd_where(ain) + (AFS_MAXCELLHOSTS + 3) * sizeof(afs_int32);
3005 if (newcell[0] != '\0') {
3008 skip = AFS_MAXHOSTS - AFS_MAXCELLHOSTS;
3011 /* AFS_MAXCELLHOSTS (=8) is less than AFS_MAXHOSTS (=13) */
3012 if (afs_pd_getBytes(ain, &cellHosts,
3013 AFS_MAXCELLHOSTS * sizeof(afs_int32)) != 0)
3015 if (afs_pd_skip(ain, skip * sizeof(afs_int32)) !=0)
3018 if (afs_pd_getInt(ain, &fsport) != 0)
3021 fsport = 0; /* Privileged ports not allowed */
3023 if (afs_pd_getInt(ain, &vlport) != 0)
3026 vlport = 0; /* Privileged ports not allowed */
3028 if (afs_pd_getInt(ain, &ls) != 0)
3031 if (afs_pd_getStringPtr(ain, &newcell) != 0)
3035 if (afs_pd_getStringPtr(ain, &linkedcell) != 0)
3037 linkedstate |= CLinkedCell;
3040 linkedstate |= CNoSUID; /* setuid is disabled by default for fs newcell */
3042 afs_NewCell(newcell, cellHosts, linkedstate, linkedcell, fsport,
3047 DECL_PIOCTL(PNewAlias)
3049 /* create a new cell alias */
3050 char *realName, *aliasName;
3052 if (!afs_resourceinit_flag) /* afs daemons haven't started yet */
3053 return EIO; /* Inappropriate ioctl for device */
3055 if (!afs_osi_suser(*acred))
3058 if (afs_pd_getStringPtr(ain, &aliasName) != 0)
3060 if (afs_pd_getStringPtr(ain, &realName) != 0)
3063 return afs_NewCellAlias(aliasName, realName);
3067 * VIOCGETCELL (27) - Get cell info
3071 * \param[in] ain The cell index of a specific cell
3072 * \param[out] aout list of servers in the cell
3074 * \retval EIO Error if the afs daemon hasn't started yet
3075 * \retval EDOM Error if there is no cell asked about
3077 * \post Lists the cell's server names and and addresses
3079 DECL_PIOCTL(PListCells)
3081 afs_int32 whichCell;
3082 register struct cell *tcell = 0;
3083 register afs_int32 i;
3086 AFS_STATCNT(PListCells);
3087 if (!afs_resourceinit_flag) /* afs daemons haven't started yet */
3088 return EIO; /* Inappropriate ioctl for device */
3090 if (afs_pd_getInt(ain, &whichCell) != 0)
3093 tcell = afs_GetCellByIndex(whichCell, READ_LOCK);
3099 for (i = 0; i < AFS_MAXCELLHOSTS; i++) {
3100 if (tcell->cellHosts[i] == 0)
3102 if (afs_pd_putInt(aout, tcell->cellHosts[i]->addr->sa_ip) != 0)
3105 for (;i < AFS_MAXCELLHOSTS; i++) {
3106 if (afs_pd_putInt(aout, 0) != 0)
3109 if (afs_pd_putString(aout, tcell->cellName) != 0)
3114 afs_PutCell(tcell, READ_LOCK);
3118 DECL_PIOCTL(PListAliases)
3120 afs_int32 whichAlias;
3121 register struct cell_alias *tcalias = 0;
3124 if (!afs_resourceinit_flag) /* afs daemons haven't started yet */
3125 return EIO; /* Inappropriate ioctl for device */
3127 if (afs_pd_getInt(ain, &whichAlias) != 0)
3130 tcalias = afs_GetCellAlias(whichAlias);
3131 if (tcalias == NULL)
3135 if (afs_pd_putString(aout, tcalias->alias) != 0)
3137 if (afs_pd_putString(aout, tcalias->cell) != 0)
3142 afs_PutCellAlias(tcalias);
3147 * VIOC_AFS_DELETE_MT_PT (28) - Delete mount point
3151 * \param[in] ain the name of the file in this dir to remove
3152 * \param[out] aout not in use
3155 * Error if some of the standard args aren't set
3157 * Error if the argument to remove is not a directory
3159 * Error if there is no cache to remove the mount point from or
3160 * if a vcache doesn't exist
3163 * Ensure that everything is OK before deleting the mountpoint.
3164 * If not, don't delete. Delete a mount point based on a file id.
3166 DECL_PIOCTL(PRemoveMount)
3168 register afs_int32 code;
3171 struct sysname_info sysState;
3172 afs_size_t offset, len;
3173 register struct afs_conn *tc;
3174 register struct dcache *tdc;
3175 register struct vcache *tvc;
3176 struct AFSFetchStatus OutDirStatus;
3177 struct VenusFid tfid;
3178 struct AFSVolSync tsync;
3181 /* "ain" is the name of the file in this dir to remove */
3183 AFS_STATCNT(PRemoveMount);
3186 if (afs_pd_getStringPtr(ain, &name) != 0)
3189 code = afs_VerifyVCache(avc, areq);
3192 if (vType(avc) != VDIR)
3195 tdc = afs_GetDCache(avc, (afs_size_t) 0, areq, &offset, &len, 1); /* test for error below */
3198 Check_AtSys(avc, name, &sysState, areq);
3199 ObtainReadLock(&tdc->lock);
3201 code = afs_dir_Lookup(tdc, sysState.name, &tfid.Fid);
3202 } while (code == ENOENT && Next_AtSys(avc, areq, &sysState));
3203 ReleaseReadLock(&tdc->lock);
3204 bufp = sysState.name;
3209 tfid.Cell = avc->f.fid.Cell;
3210 tfid.Fid.Volume = avc->f.fid.Fid.Volume;
3211 if (!tfid.Fid.Unique && (avc->f.states & CForeign)) {
3212 tvc = afs_LookupVCache(&tfid, areq, NULL, avc, bufp);
3214 tvc = afs_GetVCache(&tfid, areq, NULL, NULL);
3221 if (tvc->mvstat != 1) {
3227 ObtainWriteLock(&tvc->lock, 230);
3228 code = afs_HandleLink(tvc, areq);
3230 if (tvc->linkData) {
3231 if ((tvc->linkData[0] != '#') && (tvc->linkData[0] != '%'))
3236 ReleaseWriteLock(&tvc->lock);
3237 osi_dnlc_purgedp(tvc);
3243 ObtainWriteLock(&avc->lock, 231);
3244 osi_dnlc_remove(avc, bufp, tvc);
3246 tc = afs_Conn(&avc->f.fid, areq, SHARED_LOCK);
3248 XSTATS_START_TIME(AFS_STATS_FS_RPCIDX_REMOVEFILE);
3251 RXAFS_RemoveFile(tc->id, (struct AFSFid *)&avc->f.fid.Fid, bufp,
3252 &OutDirStatus, &tsync);
3257 } while (afs_Analyze
3258 (tc, code, &avc->f.fid, areq, AFS_STATS_FS_RPCIDX_REMOVEFILE,
3259 SHARED_LOCK, NULL));
3264 ReleaseWriteLock(&avc->lock);
3268 /* we have the thing in the cache */
3269 ObtainWriteLock(&tdc->lock, 661);
3270 if (afs_LocalHero(avc, tdc, &OutDirStatus, 1)) {
3271 /* we can do it locally */
3272 code = afs_dir_Delete(tdc, bufp);
3274 ZapDCE(tdc); /* surprise error -- invalid value */
3278 ReleaseWriteLock(&tdc->lock);
3279 afs_PutDCache(tdc); /* drop ref count */
3281 avc->f.states &= ~CUnique; /* For the dfs xlator */
3282 ReleaseWriteLock(&avc->lock);
3285 if (sysState.allocked)
3286 osi_FreeLargeSpace(bufp);
3291 * VIOC_GETCELLSTATUS (35) - Get cell status info
3295 * \param[in] ain The cell you want status information on
3296 * \param[out] aout cell state (as a struct)
3298 * \retval EIO Error if the afs daemon hasn't started yet
3299 * \retval ENOENT Error if the cell doesn't exist
3301 * \post Returns the state of the cell as defined in a struct cell
3303 DECL_PIOCTL(PGetCellStatus)
3305 register struct cell *tcell;
3309 AFS_STATCNT(PGetCellStatus);
3310 if (!afs_resourceinit_flag) /* afs daemons haven't started yet */
3311 return EIO; /* Inappropriate ioctl for device */
3313 if (afs_pd_getStringPtr(ain, &cellName) != 0)
3316 tcell = afs_GetCellByName(cellName, READ_LOCK);
3319 temp = tcell->states;
3320 afs_PutCell(tcell, READ_LOCK);
3322 return afs_pd_putInt(aout, temp);
3326 * VIOC_SETCELLSTATUS (36) - Set corresponding info
3331 * The cell you want to set information about, and the values you
3336 * \retval EIO Error if the afs daemon hasn't started yet
3337 * \retval EACCES Error if the user doesn't have super-user credentials
3340 * Set the state of the cell in a defined struct cell, based on
3341 * whether or not SetUID is allowed
3343 DECL_PIOCTL(PSetCellStatus)
3345 register struct cell *tcell;
3347 afs_int32 flags0, flags1;
3349 if (!afs_osi_suser(*acred))
3351 if (!afs_resourceinit_flag) /* afs daemons haven't started yet */
3352 return EIO; /* Inappropriate ioctl for device */
3354 if (afs_pd_getInt(ain, &flags0) != 0)
3356 if (afs_pd_getInt(ain, &flags1) != 0)
3358 if (afs_pd_getStringPtr(ain, &cellName) != 0)
3361 tcell = afs_GetCellByName(cellName, WRITE_LOCK);
3364 if (flags0 & CNoSUID)
3365 tcell->states |= CNoSUID;
3367 tcell->states &= ~CNoSUID;
3368 afs_PutCell(tcell, WRITE_LOCK);
3373 * VIOC_FLUSHVOLUME (37) - Flush whole volume's data
3377 * \param[in] ain not in use (args in avc)
3378 * \param[out] aout not in use
3380 * \retval EINVAL Error if some of the standard args aren't set
3381 * \retval EIO Error if the afs daemon hasn't started yet
3384 * Flush all cached contents of a volume. Exactly what stays and what
3385 * goes depends on the platform.
3388 * Does not flush a file that a user has open and is using, because
3389 * it will be re-created on next write. Also purges the dnlc,
3390 * because things are screwed up.
3392 DECL_PIOCTL(PFlushVolumeData)
3394 register afs_int32 i;
3395 register struct dcache *tdc;
3396 register struct vcache *tvc;
3397 register struct volume *tv;
3398 afs_int32 cell, volume;
3399 struct afs_q *tq, *uq;
3400 #ifdef AFS_DARWIN80_ENV
3404 AFS_STATCNT(PFlushVolumeData);
3407 if (!afs_resourceinit_flag) /* afs daemons haven't started yet */
3408 return EIO; /* Inappropriate ioctl for device */
3410 volume = avc->f.fid.Fid.Volume; /* who to zap */
3411 cell = avc->f.fid.Cell;
3414 * Clear stat'd flag from all vnodes from this volume; this will
3415 * invalidate all the vcaches associated with the volume.
3418 ObtainReadLock(&afs_xvcache);
3419 i = VCHashV(&avc->f.fid);
3420 for (tq = afs_vhashTV[i].prev; tq != &afs_vhashTV[i]; tq = uq) {
3423 if (tvc->f.fid.Fid.Volume == volume && tvc->f.fid.Cell == cell) {
3424 if (tvc->f.states & CVInit) {
3425 ReleaseReadLock(&afs_xvcache);
3426 afs_osi_Sleep(&tvc->f.states);
3429 #ifdef AFS_DARWIN80_ENV
3430 if (tvc->f.states & CDeadVnode) {
3431 if (!(tvc->f.states & CBulkFetching)) {
3432 ReleaseReadLock(&afs_xvcache);
3433 afs_osi_Sleep(&tvc->f.states);
3440 if (vnode_ref(vp)) {
3446 if (tvc->f.states & (CBulkFetching|CDeadVnode)) {
3448 vnode_recycle(AFSTOV(tvc));
3454 ReleaseReadLock(&afs_xvcache);
3455 #ifdef AFS_BOZONLOCK_ENV
3456 afs_BozonLock(&tvc->pvnLock, tvc); /* Since afs_TryToSmush will do a pvn_vptrunc */
3458 ObtainWriteLock(&tvc->lock, 232);
3460 ObtainWriteLock(&afs_xcbhash, 458);
3461 afs_DequeueCallback(tvc);
3462 tvc->f.states &= ~(CStatd | CDirty);
3463 ReleaseWriteLock(&afs_xcbhash);
3464 if (tvc->f.fid.Fid.Vnode & 1 || (vType(tvc) == VDIR))
3465 osi_dnlc_purgedp(tvc);
3466 afs_TryToSmush(tvc, *acred, 1);
3467 ReleaseWriteLock(&tvc->lock);
3468 #ifdef AFS_BOZONLOCK_ENV
3469 afs_BozonUnlock(&tvc->pvnLock, tvc);
3471 #ifdef AFS_DARWIN80_ENV
3472 vnode_put(AFSTOV(tvc));
3474 ObtainReadLock(&afs_xvcache);
3476 /* our tvc ptr is still good until now */
3480 ReleaseReadLock(&afs_xvcache);
3483 ObtainWriteLock(&afs_xdcache, 328); /* needed to flush any stuff */
3484 for (i = 0; i < afs_cacheFiles; i++) {
3485 if (!(afs_indexFlags[i] & IFEverUsed))
3486 continue; /* never had any data */
3487 tdc = afs_GetDSlot(i, NULL);
3488 if (tdc->refCount <= 1) { /* too high, in use by running sys call */
3489 ReleaseReadLock(&tdc->tlock);
3490 if (tdc->f.fid.Fid.Volume == volume && tdc->f.fid.Cell == cell) {
3491 if (!(afs_indexFlags[i] & IFDataMod)) {
3492 /* if the file is modified, but has a ref cnt of only 1,
3493 * then someone probably has the file open and is writing
3494 * into it. Better to skip flushing such a file, it will be
3495 * brought back immediately on the next write anyway.
3497 * If we *must* flush, then this code has to be rearranged
3498 * to call afs_storeAllSegments() first */
3499 afs_FlushDCache(tdc);
3503 ReleaseReadLock(&tdc->tlock);
3505 afs_PutDCache(tdc); /* bumped by getdslot */
3507 ReleaseWriteLock(&afs_xdcache);
3509 ObtainReadLock(&afs_xvolume);
3510 for (i = 0; i < NVOLS; i++) {
3511 for (tv = afs_volumes[i]; tv; tv = tv->next) {
3512 if (tv->volume == volume) {
3513 afs_ResetVolumeInfo(tv);
3518 ReleaseReadLock(&afs_xvolume);
3520 /* probably, a user is doing this, probably, because things are screwed up.
3521 * maybe it's the dnlc's fault? */
3528 * VIOCGETVCXSTATUS (41) - gets vnode x status
3533 * not in use (avc used)
3535 * vcxstat: the file id, the data version, any lock, the parent vnode,
3536 * the parent unique id, the trunc position, the callback, cbExpires,
3537 * what access is being made, what files are open,
3538 * any users executing/writing, the flock count, the states,
3542 * Error if some of the initial default arguments aren't set
3544 * Error if access to check the mode bits is denied
3547 * gets stats for the vnode, a struct listed in vcxstat
3549 DECL_PIOCTL(PGetVnodeXStatus)
3551 register afs_int32 code;
3552 struct vcxstat stat;
3555 /* AFS_STATCNT(PGetVnodeXStatus); */
3558 code = afs_VerifyVCache(avc, areq);
3561 if (vType(avc) == VDIR)
3562 mode = PRSFS_LOOKUP;
3565 if (!afs_AccessOK(avc, mode, areq, CHECK_MODE_BITS))
3568 memset(&stat, 0, sizeof(struct vcxstat));
3569 stat.fid = avc->f.fid;
3570 hset32(stat.DataVersion, hgetlo(avc->f.m.DataVersion));
3571 stat.lock = avc->lock;
3572 stat.parentVnode = avc->f.parent.vnode;
3573 stat.parentUnique = avc->f.parent.unique;
3574 hset(stat.flushDV, avc->flushDV);
3575 hset(stat.mapDV, avc->mapDV);
3576 stat.truncPos = avc->f.truncPos;
3577 { /* just grab the first two - won't break anything... */
3578 struct axscache *ac;
3580 for (i = 0, ac = avc->Access; ac && i < CPSIZE; i++, ac = ac->next) {
3581 stat.randomUid[i] = ac->uid;
3582 stat.randomAccess[i] = ac->axess;
3585 stat.callback = afs_data_pointer_to_int32(avc->callback);
3586 stat.cbExpires = avc->cbExpires;
3587 stat.anyAccess = avc->f.anyAccess;
3588 stat.opens = avc->opens;
3589 stat.execsOrWriters = avc->execsOrWriters;
3590 stat.flockCount = avc->flockCount;
3591 stat.mvstat = avc->mvstat;
3592 stat.states = avc->f.states;
3593 return afs_pd_putBytes(aout, &stat, sizeof(struct vcxstat));
3597 DECL_PIOCTL(PGetVnodeXStatus2)
3599 register afs_int32 code;
3600 struct vcxstat2 stat;
3605 code = afs_VerifyVCache(avc, areq);
3608 if (vType(avc) == VDIR)
3609 mode = PRSFS_LOOKUP;
3612 if (!afs_AccessOK(avc, mode, areq, CHECK_MODE_BITS))
3615 memset(&stat, 0, sizeof(struct vcxstat2));
3617 stat.cbExpires = avc->cbExpires;
3618 stat.anyAccess = avc->f.anyAccess;
3619 stat.mvstat = avc->mvstat;
3620 stat.callerAccess = afs_GetAccessBits(avc, ~0, areq);
3622 return afs_pd_putBytes(aout, &stat, sizeof(struct vcxstat2));
3627 * VIOC_AFS_SYSNAME (38) - Change @sys value
3631 * \param[in] ain new value for @sys
3632 * \param[out] aout count, entry, list (debug values?)
3635 * Error if afsd isn't running, the new sysname is too large,
3636 * the new sysname causes issues (starts with a . or ..),
3637 * there is no PAG set in the credentials, or the user of a PAG
3640 * Error if the user doesn't have super-user credentials
3643 * Set the value of @sys if these things work: if the input isn't
3644 * too long or if input doesn't start with . or ..
3647 * We require root for local sysname changes, but not for remote
3648 * (since we don't really believe remote uids anyway)
3649 * outname[] shouldn't really be needed- this is left as an
3650 * exercise for the reader.
3652 DECL_PIOCTL(PSetSysName)
3654 char *inname = NULL;
3655 char outname[MAXSYSNAME];
3656 afs_int32 setsysname;
3658 register struct afs_exporter *exporter;
3659 register struct unixuser *au;
3660 register afs_int32 pag, error;
3661 int t, count, num = 0, allpags = 0;
3663 struct afs_pdata validate;
3665 AFS_STATCNT(PSetSysName);
3666 if (!afs_globalVFS) {
3667 /* Afsd is NOT running; disable it */
3668 #if defined(KERNEL_HAVE_UERROR)
3669 return (setuerror(EINVAL), EINVAL);
3674 if (afs_pd_getInt(ain, &setsysname) != 0)
3676 if (setsysname & 0x8000) {
3678 setsysname &= ~0x8000;
3683 if (setsysname < 0 || setsysname > MAXNUMSYSNAMES)
3686 for (count = 0; count < setsysname; count++) {
3687 if (afs_pd_getStringPtr(&validate, &inname) != 0)
3690 if (t >= MAXSYSNAME || t <= 0)
3692 /* check for names that can shoot us in the foot */
3693 if (inname[0] == '.' && (inname[1] == 0
3694 || (inname[1] == '.' && inname[2] == 0)))
3697 /* args ok, so go back to the beginning of that section */
3699 if (afs_pd_getStringPtr(ain, &inname) != 0)
3703 if (afs_cr_gid(*acred) == RMTUSER_REQ ||
3704 afs_cr_gid(*acred) == RMTUSER_REQ_PRIV) { /* Handles all exporters */
3705 if (allpags && afs_cr_gid(*acred) != RMTUSER_REQ_PRIV) {
3708 pag = PagInCred(*acred);
3710 return EINVAL; /* Better than panicing */
3712 if (!(au = afs_FindUser(pag, -1, READ_LOCK))) {
3713 return EINVAL; /* Better than panicing */
3715 if (!(exporter = au->exporter)) {
3716 afs_PutUser(au, READ_LOCK);
3717 return EINVAL; /* Better than panicing */
3719 error = EXP_SYSNAME(exporter, inname, &sysnamelist,
3722 if (error == ENODEV)
3723 foundname = 0; /* sysname not set yet! */
3725 afs_PutUser(au, READ_LOCK);
3730 strcpy(outname, sysnamelist[0]);
3732 afs_PutUser(au, READ_LOCK);
3736 /* Not xlating, so local case */
3738 osi_Panic("PSetSysName: !afs_sysname\n");
3739 if (!setsysname) { /* user just wants the info */
3740 strcpy(outname, afs_sysname);
3741 foundname = afs_sysnamecount;
3742 sysnamelist = afs_sysnamelist;
3743 } else { /* Local guy; only root can change sysname */
3744 if (!afs_osi_suser(*acred))
3747 /* allpags makes no sense for local use */
3751 /* clear @sys entries from the dnlc, once afs_lookup can
3752 * do lookups of @sys entries and thinks it can trust them */
3753 /* privs ok, store the entry, ... */
3755 if (strlen(inname) >= MAXSYSNAME-1)
3757 strcpy(afs_sysname, inname);
3759 if (setsysname > 1) { /* ... or list */
3760 for (count = 1; count < setsysname; ++count) {
3761 if (!afs_sysnamelist[count])
3763 ("PSetSysName: no afs_sysnamelist entry to write\n");
3764 if (afs_pd_getString(ain, afs_sysnamelist[count],
3769 afs_sysnamecount = setsysname;
3774 if (afs_pd_putInt(aout, foundname) != 0)
3777 if (afs_pd_putString(aout, outname) != 0)
3779 for (count = 1; count < foundname; ++count) { /* ... or list. */
3780 if (!sysnamelist[count])
3782 ("PSetSysName: no afs_sysnamelist entry to read\n");
3783 t = strlen(sysnamelist[count]);
3784 if (t >= MAXSYSNAME)
3785 osi_Panic("PSetSysName: sysname entry garbled\n");
3786 if (afs_pd_putString(aout, sysnamelist[count]) != 0)
3794 /* sequential search through the list of touched cells is not a good
3795 * long-term solution here. For small n, though, it should be just
3796 * fine. Should consider special-casing the local cell for large n.
3797 * Likewise for PSetSPrefs.
3799 * s - number of ids in array l[] -- NOT index of last id
3800 * l - array of cell ids which have volumes that need to be sorted
3801 * vlonly - sort vl servers or file servers?
3804 ReSortCells_cb(struct cell *cell, void *arg)
3806 afs_int32 *p = (afs_int32 *) arg;
3807 afs_int32 *l = p + 1;
3810 for (i = 0; i < s; i++) {
3811 if (l[i] == cell->cellNum) {
3812 ObtainWriteLock(&cell->lock, 690);
3813 afs_SortServers(cell->cellHosts, AFS_MAXCELLHOSTS);
3814 ReleaseWriteLock(&cell->lock);
3822 ReSortCells(int s, afs_int32 * l, int vlonly)
3830 p = (afs_int32 *) afs_osi_Alloc(sizeof(afs_int32) * (s + 1));
3832 memcpy(p + 1, l, s * sizeof(afs_int32));
3833 afs_TraverseCells(&ReSortCells_cb, p);
3834 afs_osi_Free(p, sizeof(afs_int32) * (s + 1));
3838 ObtainReadLock(&afs_xvolume);
3839 for (i = 0; i < NVOLS; i++) {
3840 for (j = afs_volumes[i]; j; j = j->next) {
3841 for (k = 0; k < s; k++)
3842 if (j->cell == l[k]) {
3843 ObtainWriteLock(&j->lock, 233);
3844 afs_SortServers(j->serverHost, AFS_MAXHOSTS);
3845 ReleaseWriteLock(&j->lock);
3850 ReleaseReadLock(&afs_xvolume);
3854 static int debugsetsp = 0;
3856 afs_setsprefs(struct spref *sp, unsigned int num, unsigned int vlonly)
3859 int i, j, k, matches, touchedSize;
3860 struct server *srvr = NULL;
3861 afs_int32 touched[34];
3865 for (k = 0; k < num; sp++, k++) {
3867 afs_warn("sp host=%x, rank=%d\n", sp->host.s_addr, sp->rank);
3870 ObtainReadLock(&afs_xserver);
3872 i = SHash(sp->host.s_addr);
3873 for (sa = afs_srvAddrs[i]; sa; sa = sa->next_bkt) {
3874 if (sa->sa_ip == sp->host.s_addr) {
3876 isfs = (srvr->cell && (sa->sa_portal == srvr->cell->fsport))
3877 || (sa->sa_portal == AFS_FSPORT);
3878 if ((!vlonly && isfs) || (vlonly && !isfs)) {
3885 if (sa && matches) { /* found one! */
3887 afs_warn("sa ip=%x, ip_rank=%d\n", sa->sa_ip, sa->sa_iprank);
3889 sa->sa_iprank = sp->rank + afs_randomMod15();
3890 afs_SortOneServer(sa->server);
3893 /* if we don't know yet what cell it's in, this is moot */
3894 for (j = touchedSize - 1;
3895 j >= 0 && touched[j] != srvr->cell->cellNum; j--)
3896 /* is it in our list of touched cells ? */ ;
3897 if (j < 0) { /* no, it's not */
3898 touched[touchedSize++] = srvr->cell->cellNum;
3899 if (touchedSize >= 32) { /* watch for ovrflow */
3900 ReleaseReadLock(&afs_xserver);
3901 ReSortCells(touchedSize, touched, vlonly);
3903 ObtainReadLock(&afs_xserver);
3909 ReleaseReadLock(&afs_xserver);
3910 /* if we didn't find one, start to create one. */
3911 /* Note that it doesn't have a cell yet... */
3913 afs_uint32 temp = sp->host.s_addr;
3915 afs_GetServer(&temp, 1, 0, (vlonly ? AFS_VLPORT : AFS_FSPORT),
3916 WRITE_LOCK, (afsUUID *) 0, 0);
3917 srvr->addr->sa_iprank = sp->rank + afs_randomMod15();
3918 afs_PutServer(srvr, WRITE_LOCK);
3920 } /* for all cited preferences */
3922 ReSortCells(touchedSize, touched, vlonly);
3927 * VIOC_SETPREFS (46) - Set server ranks
3929 * \param[in] ain the sprefs value you want the sprefs to be set to
3930 * \param[out] aout not in use
3933 * Error if the afs daemon hasn't started yet
3935 * Error if the user doesn't have super-user credentials
3937 * Error if the struct setsprefs is too large or if it multiplied
3938 * by the number of servers is too large
3940 * \post set the sprefs using the afs_setsprefs() function
3942 DECL_PIOCTL(PSetSPrefs)
3944 struct setspref *ssp;
3948 AFS_STATCNT(PSetSPrefs);
3950 if (!afs_resourceinit_flag) /* afs daemons haven't started yet */
3951 return EIO; /* Inappropriate ioctl for device */
3953 if (!afs_osi_suser(*acred))
3956 /* The I/O handling here is ghastly, as it relies on overrunning the ends
3957 * of arrays. But, i'm not quite brave enough to change it yet. */
3959 ainSize = ain->remaining;
3961 if (ainSize < sizeof(struct setspref))
3964 ssp = (struct setspref *)ainPtr;
3965 if (ainSize < (sizeof(struct setspref)
3966 + sizeof(struct spref) * ssp->num_servers-1))
3969 afs_setsprefs(&(ssp->servers[0]), ssp->num_servers,
3970 (ssp->flags & DBservers));
3975 * VIOC_SETPREFS33 (42) - Set server ranks (deprecated)
3977 * \param[in] ain the server preferences to be set
3978 * \param[out] aout not in use
3980 * \retval EIO Error if the afs daemon hasn't started yet
3981 * \retval EACCES Error if the user doesn't have super-user credentials
3983 * \post set the server preferences, calling a function
3985 * \notes this may only be performed by the local root user.
3987 DECL_PIOCTL(PSetSPrefs33)
3989 AFS_STATCNT(PSetSPrefs);
3990 if (!afs_resourceinit_flag) /* afs daemons haven't started yet */
3991 return EIO; /* Inappropriate ioctl for device */
3994 if (!afs_osi_suser(*acred))
3997 afs_setsprefs((struct spref *)afs_pd_where(ain),
3998 afs_pd_remaining(ain) / sizeof(struct spref),
4004 * VIOC_GETSPREFS (43) - Get server ranks
4008 * \param[in] ain the server preferences to get
4009 * \param[out] aout the server preferences information
4011 * \retval EIO Error if the afs daemon hasn't started yet
4012 * \retval ENOENT Error if the sprefrequest is too large
4014 * \post Get the sprefs
4017 * in the hash table of server structs, all servers with the same
4018 * IP address; will be on the same overflow chain; This could be
4019 * sped slightly in some circumstances by having it cache the
4020 * immediately previous slot in the hash table and some
4021 * supporting information; Only reports file servers now.
4023 DECL_PIOCTL(PGetSPrefs)
4025 struct sprefrequest spin; /* input */
4026 struct sprefinfo *spout; /* output */
4027 struct spref *srvout; /* one output component */
4028 int i, j; /* counters for hash table traversal */
4029 struct server *srvr; /* one of CM's server structs */
4031 int vlonly; /* just return vlservers ? */
4034 AFS_STATCNT(PGetSPrefs);
4035 if (!afs_resourceinit_flag) /* afs daemons haven't started yet */
4036 return EIO; /* Inappropriate ioctl for device */
4038 /* Work out from the size whether we've got a new, or old, style pioctl */
4039 if (afs_pd_remaining(ain) < sizeof(struct sprefrequest)) {
4040 if (afs_pd_getBytes(ain, &spin, sizeof(struct sprefrequest_33)) != 0)
4045 if (afs_pd_getBytes(ain, &spin, sizeof(struct sprefrequest)) != 0)
4047 vlonly = (spin.flags & DBservers);
4050 /* This code relies on overflowing arrays. It's ghastly, but I'm not
4051 * quite brave enough to tackle it yet ...
4054 /* struct sprefinfo includes 1 server struct... that size gets added
4055 * in during the loop that follows.
4057 spout = afs_pd_inline(aout,
4058 sizeof(struct sprefinfo) - sizeof(struct spref));
4059 spout->next_offset = spin.offset;
4060 spout->num_servers = 0;
4061 srvout = spout->servers;
4063 ObtainReadLock(&afs_xserver);
4064 for (i = 0, j = 0; j < NSERVERS; j++) { /* sift through hash table */
4065 for (sa = afs_srvAddrs[j]; sa; sa = sa->next_bkt, i++) {
4066 if (spin.offset > (unsigned short)i) {
4067 continue; /* catch up to where we left off */
4069 spout->next_offset++;
4072 isfs = (srvr->cell && (sa->sa_portal == srvr->cell->fsport))
4073 || (sa->sa_portal == AFS_FSPORT);
4075 if ((vlonly && isfs) || (!vlonly && !isfs)) {
4076 /* only report ranks for vl servers */
4080 /* Check we've actually got the space we're about to use */
4081 if (afs_pd_inline(aout, sizeof(struct spref)) == NULL) {
4082 ReleaseReadLock(&afs_xserver); /* no more room! */
4086 srvout->host.s_addr = sa->sa_ip;
4087 srvout->rank = sa->sa_iprank;
4088 spout->num_servers++;
4092 ReleaseReadLock(&afs_xserver);
4094 spout->next_offset = 0; /* start over from the beginning next time */
4099 /* Enable/Disable the specified exporter. Must be root to disable an exporter */
4100 int afs_NFSRootOnly = 1;
4102 * VIOC_EXPORTAFS (39) - Export afs to nfs clients
4107 * an integer containing the desired exportee flags
4109 * an integer containing the current exporter flags
4111 * \retval ENODEV Error if the exporter doesn't exist
4112 * \retval EACCES Error if the user doesn't have super-user credentials
4115 * Changes the state of various values to reflect the change
4116 * of the export values between nfs and afs.
4118 * \notes Legacy code obtained from IBM.
4120 DECL_PIOCTL(PExportAfs)
4122 afs_int32 export, newint = 0;
4123 afs_int32 type, changestate, handleValue, convmode, pwsync, smounts;
4124 afs_int32 rempags = 0, pagcb = 0;
4125 register struct afs_exporter *exporter;
4127 AFS_STATCNT(PExportAfs);
4128 if (afs_pd_getInt(ain, &handleValue) != 0)
4130 type = handleValue >> 24;
4135 exporter = exporter_find(type);
4137 export = handleValue & 3;
4138 changestate = handleValue & 0xfff;
4139 smounts = (handleValue >> 2) & 3;
4140 pwsync = (handleValue >> 4) & 3;
4141 convmode = (handleValue >> 6) & 3;
4142 rempags = (handleValue >> 8) & 3;
4143 pagcb = (handleValue >> 10) & 3;
4145 changestate = (handleValue >> 16) & 0x1;
4146 convmode = (handleValue >> 16) & 0x2;
4147 pwsync = (handleValue >> 16) & 0x4;
4148 smounts = (handleValue >> 16) & 0x8;
4149 export = handleValue & 0xff;
4152 /* Failed finding desired exporter; */
4156 handleValue = exporter->exp_states;
4157 if (afs_pd_putInt(aout, handleValue) != 0)
4160 if (!afs_osi_suser(*acred))
4161 return EACCES; /* Only superuser can do this */
4165 exporter->exp_states |= EXP_EXPORTED;
4167 exporter->exp_states &= ~EXP_EXPORTED;
4171 exporter->exp_states |= EXP_UNIXMODE;
4173 exporter->exp_states &= ~EXP_UNIXMODE;
4177 exporter->exp_states |= EXP_PWSYNC;
4179 exporter->exp_states &= ~EXP_PWSYNC;
4183 afs_NFSRootOnly = 0;
4184 exporter->exp_states |= EXP_SUBMOUNTS;
4186 afs_NFSRootOnly = 1;
4187 exporter->exp_states &= ~EXP_SUBMOUNTS;
4192 exporter->exp_states |= EXP_CLIPAGS;
4194 exporter->exp_states &= ~EXP_CLIPAGS;
4198 exporter->exp_states |= EXP_CALLBACK;
4200 exporter->exp_states &= ~EXP_CALLBACK;
4202 handleValue = exporter->exp_states;
4203 if (afs_pd_putInt(aout, handleValue) != 0)
4207 exporter->exp_states |= EXP_EXPORTED;
4209 exporter->exp_states &= ~EXP_EXPORTED;
4211 exporter->exp_states |= EXP_UNIXMODE;
4213 exporter->exp_states &= ~EXP_UNIXMODE;
4215 exporter->exp_states |= EXP_PWSYNC;
4217 exporter->exp_states &= ~EXP_PWSYNC;
4219 afs_NFSRootOnly = 0;
4220 exporter->exp_states |= EXP_SUBMOUNTS;
4222 afs_NFSRootOnly = 1;
4223 exporter->exp_states &= ~EXP_SUBMOUNTS;
4232 * VIOC_GAG (44) - Silence Cache Manager
4236 * \param[in] ain the flags to either gag or de-gag the cache manager
4237 * \param[out] aout not in use
4239 * \retval EACCES Error if the user doesn't have super-user credentials
4241 * \post set the gag flags, then show these flags
4245 struct gaginfo *gagflags;
4247 if (!afs_osi_suser(*acred))
4250 gagflags = afs_pd_inline(ain, sizeof(*gagflags));
4251 if (gagflags == NULL)
4253 afs_showflags = gagflags->showflags;
4259 * VIOC_TWIDDLE (45) - Adjust RX knobs
4263 * \param[in] ain the previous settings of the 'knobs'
4264 * \param[out] aout not in use
4266 * \retval EACCES Error if the user doesn't have super-user credentials
4268 * \post build out the struct rxp, from a struct rx
4270 DECL_PIOCTL(PTwiddleRx)
4272 struct rxparams *rxp;
4274 if (!afs_osi_suser(*acred))
4277 rxp = afs_pd_inline(ain, sizeof(*rxp));
4281 if (rxp->rx_initReceiveWindow)
4282 rx_initReceiveWindow = rxp->rx_initReceiveWindow;
4283 if (rxp->rx_maxReceiveWindow)
4284 rx_maxReceiveWindow = rxp->rx_maxReceiveWindow;
4285 if (rxp->rx_initSendWindow)
4286 rx_initSendWindow = rxp->rx_initSendWindow;
4287 if (rxp->rx_maxSendWindow)
4288 rx_maxSendWindow = rxp->rx_maxSendWindow;
4289 if (rxp->rxi_nSendFrags)
4290 rxi_nSendFrags = rxp->rxi_nSendFrags;
4291 if (rxp->rxi_nRecvFrags)
4292 rxi_nRecvFrags = rxp->rxi_nRecvFrags;
4293 if (rxp->rxi_OrphanFragSize)
4294 rxi_OrphanFragSize = rxp->rxi_OrphanFragSize;
4295 if (rxp->rx_maxReceiveSize) {
4296 rx_maxReceiveSize = rxp->rx_maxReceiveSize;
4297 rx_maxReceiveSizeUser = rxp->rx_maxReceiveSize;
4299 if (rxp->rx_MyMaxSendSize)
4300 rx_MyMaxSendSize = rxp->rx_MyMaxSendSize;
4306 * VIOC_GETINITPARAMS (49) - Get initial cache manager parameters
4310 * \param[in] ain not in use
4311 * \param[out] aout initial cache manager params
4314 * Error if the initial parameters are bigger than some PIGGYSIZE
4316 * \post return the initial cache manager parameters
4318 DECL_PIOCTL(PGetInitParams)
4320 if (sizeof(struct cm_initparams) > PIGGYSIZE)
4323 return afs_pd_putBytes(aout, &cm_initParams,
4324 sizeof(struct cm_initparams));
4328 #ifdef AFS_SGI65_ENV
4329 /* They took crget() from us, so fake it. */
4334 cr = crdup(get_current_cred());
4335 memset(cr, 0, sizeof(cred_t));
4336 #if CELL || CELL_PREPARE
4344 * VIOC_GETRXKCRYPT (55) - Get rxkad encryption flag
4348 * \param[in] ain not in use
4349 * \param[out] aout value of cryptall
4351 * \post Turns on, or disables, rxkad encryption by setting the cryptall global
4353 DECL_PIOCTL(PGetRxkcrypt)
4355 return afs_pd_putInt(aout, cryptall);
4359 * VIOC_SETRXKCRYPT (56) - Set rxkad encryption flag
4363 * \param[in] ain the argument whether or not things should be encrypted
4364 * \param[out] aout not in use
4367 * Error if the user doesn't have super-user credentials
4369 * Error if the input is too big, or if the input is outside the
4370 * bounds of what it can be set to
4372 * \post set whether or not things should be encrypted
4375 * may need to be modified at a later date to take into account
4376 * other values for cryptall (beyond true or false)
4378 DECL_PIOCTL(PSetRxkcrypt)
4382 if (!afs_osi_suser(*acred))
4384 if (afs_pd_getInt(ain, &tmpval) != 0)
4386 /* if new mappings added later this will need to be changed */
4387 if (tmpval != 0 && tmpval != 1)
4393 #ifdef AFS_NEED_CLIENTCONTEXT
4395 * Create new credentials to correspond to a remote user with given
4396 * <hostaddr, uid, g0, g1>. This allows a server running as root to
4397 * provide pioctl (and other) services to foreign clients (i.e. nfs
4398 * clients) by using this call to `become' the client.
4401 #define PIOCTL_HEADER 6
4403 HandleClientContext(struct afs_ioctl *ablob, int *com,
4404 afs_ucred_t **acred, afs_ucred_t *credp)
4407 afs_uint32 hostaddr;
4408 afs_int32 uid, g0, g1, i, code, pag, exporter_type, isroot = 0;
4409 struct afs_exporter *exporter, *outexporter;
4410 afs_ucred_t *newcred;
4411 struct unixuser *au;
4412 afs_uint32 comp = *com & 0xff00;
4414 #if defined(AFS_SUN510_ENV)
4418 #if defined(AFS_SGIMP_ENV)
4419 osi_Assert(ISAFS_GLOCK());
4421 AFS_STATCNT(HandleClientContext);
4422 if (ablob->in_size < PIOCTL_HEADER * sizeof(afs_int32)) {
4423 /* Must at least include the PIOCTL_HEADER header words
4424 * required by the protocol */
4425 return EINVAL; /* Too small to be good */
4427 ain = inData = osi_AllocLargeSpace(AFS_LRALLOCSIZ);
4428 AFS_COPYIN(ablob->in, ain, PIOCTL_HEADER * sizeof(afs_int32), code);
4430 osi_FreeLargeSpace(inData);
4434 /* Extract information for remote user */
4435 hostaddr = *((afs_uint32 *) ain);
4436 ain += sizeof(hostaddr);
4437 uid = *((afs_uint32 *) ain);
4439 g0 = *((afs_uint32 *) ain);
4441 g1 = *((afs_uint32 *) ain);
4443 *com = *((afs_uint32 *) ain);
4444 ain += sizeof(afs_int32);
4445 exporter_type = *((afs_uint32 *) ain);/* In case we support more than NFS */
4448 * Of course, one must be root for most of these functions, but
4449 * we'll allow (for knfs) you to set things if the pag is 0 and
4450 * you're setting tokens or unlogging.
4453 if (!afs_osi_suser(credp)) {
4454 #if defined(AFS_SGI_ENV) && !defined(AFS_SGI64_ENV)
4455 /* Since SGI's suser() returns explicit failure after the call.. */
4458 /* check for acceptable opcodes for normal folks, which are, so far,
4459 * get/set tokens, sysname, and unlog.
4461 if (i != 9 && i != 3 && i != 38 && i != 8) {
4462 osi_FreeLargeSpace(inData);
4467 ablob->in_size -= PIOCTL_HEADER * sizeof(afs_int32);
4468 ablob->in += PIOCTL_HEADER * sizeof(afs_int32);
4469 osi_FreeLargeSpace(inData);
4472 * We map uid 0 to nobody to match the mapping that the nfs
4473 * server does and to ensure that the suser() calls in the afs
4474 * code fails for remote client roots.
4476 uid = afs_nobody; /* NFS_NOBODY == -2 */
4480 #ifdef AFS_AIX41_ENV
4483 afs_set_cr_gid(newcred, isroot ? RMTUSER_REQ_PRIV : RMTUSER_REQ);
4484 #ifdef AFS_AIX51_ENV
4485 newcred->cr_groupset.gs_union.un_groups[0] = g0;
4486 newcred->cr_groupset.gs_union.un_groups[1] = g1;
4487 #elif defined(AFS_LINUX26_ENV)
4488 # ifdef AFS_LINUX26_ONEGROUP_ENV
4489 afs_set_cr_group_info(newcred, groups_alloc(1)); /* nothing sets this */
4490 l = (((g0-0x3f00) & 0x3fff) << 14) | ((g1-0x3f00) & 0x3fff);
4491 h = ((g0-0x3f00) >> 14);
4492 h = ((g1-0x3f00) >> 14) + h + h + h;
4493 GROUP_AT(afs_cr_group_info(newcred), 0) = ((h << 28) | l);
4495 afs_set_cr_group_info(newcred, groups_alloc(2));
4496 GROUP_AT(afs_cr_group_info(newcred), 0) = g0;
4497 GROUP_AT(afs_cr_group_info(newcred), 1) = g1;
4499 #elif defined(AFS_SUN510_ENV)
4502 crsetgroups(newcred, 2, gids);
4504 newcred->cr_groups[0] = g0;
4505 newcred->cr_groups[1] = g1;
4508 newcred->cr_ngrps = 2;
4509 #elif !defined(AFS_LINUX26_ENV) && !defined(AFS_SUN510_ENV)
4510 # if defined(AFS_SGI_ENV) || defined(AFS_SUN5_ENV) || defined(AFS_LINUX22_ENV) || defined(AFS_FBSD80_ENV)
4511 newcred->cr_ngroups = 2;
4513 for (i = 2; i < NGROUPS; i++)
4514 newcred->cr_groups[i] = NOGROUP;
4517 if (!(exporter = exporter_find(exporter_type))) {
4518 /* Exporter wasn't initialized or an invalid exporter type */
4522 if (exporter->exp_states & EXP_PWSYNC) {
4523 if (uid != afs_cr_uid(credp)) {
4525 return ENOEXEC; /* XXX Find a better errno XXX */
4528 afs_set_cr_uid(newcred, uid); /* Only temporary */
4529 code = EXP_REQHANDLER(exporter, &newcred, hostaddr, &pag, &outexporter);
4530 /* The client's pag is the only unique identifier for it */
4531 afs_set_cr_uid(newcred, pag);
4533 if (!code && *com == PSETPAG) {
4534 /* Special case for 'setpag' */
4535 afs_uint32 pagvalue = genpag();
4537 au = afs_GetUser(pagvalue, -1, WRITE_LOCK); /* a new unixuser struct */
4539 * Note that we leave the 'outexporter' struct held so it won't
4542 au->exporter = outexporter;
4543 if (ablob->out_size >= 4) {
4544 AFS_COPYOUT((char *)&pagvalue, ablob->out, sizeof(afs_int32),
4547 afs_PutUser(au, WRITE_LOCK);
4550 return PSETPAG; /* Special return for setpag */
4552 EXP_RELE(outexporter);
4555 *com = (*com) | comp;
4558 #endif /* AFS_NEED_CLIENTCONTEXT */
4562 * VIOC_GETCPREFS (50) - Get client interface
4566 * \param[in] ain sprefrequest input
4567 * \param[out] aout spref information
4569 * \retval EIO Error if the afs daemon hasn't started yet
4570 * \retval EINVAL Error if some of the standard args aren't set
4573 * get all interface addresses and other information of the client
4576 DECL_PIOCTL(PGetCPrefs)
4578 struct sprefrequest *spin; /* input */
4579 struct sprefinfo *spout; /* output */
4580 struct spref *srvout; /* one output component */
4584 AFS_STATCNT(PGetCPrefs);
4585 if (!afs_resourceinit_flag) /* afs daemons haven't started yet */
4586 return EIO; /* Inappropriate ioctl for device */
4588 spin = afs_pd_inline(ain, sizeof(*spin));
4592 /* Output spout relies on writing past the end of arrays. It's horrible,
4593 * but I'm not quite brave enough to tackle it yet */
4594 spout = (struct sprefinfo *)aout->ptr;
4596 maxNumber = spin->num_servers; /* max addrs this time */
4597 srvout = spout->servers;
4599 ObtainReadLock(&afs_xinterface);
4601 /* copy out the client interface information from the
4602 * kernel data structure "interface" to the output buffer
4604 for (i = spin->offset, j = 0; (i < afs_cb_interface.numberOfInterfaces)
4605 && (j < maxNumber); i++, j++, srvout++)
4606 srvout->host.s_addr = afs_cb_interface.addr_in[i];
4608 spout->num_servers = j;
4609 aout->ptr += sizeof(struct sprefinfo) + (j - 1) * sizeof(struct spref);
4611 if (i >= afs_cb_interface.numberOfInterfaces)
4612 spout->next_offset = 0; /* start from beginning again */
4614 spout->next_offset = spin->offset + j;
4616 ReleaseReadLock(&afs_xinterface);
4621 * VIOC_SETCPREFS (51) - Set client interface
4625 * \param[in] ain the interfaces you want set
4626 * \param[out] aout not in use
4628 * \retval EIO Error if the afs daemon hasn't started yet
4629 * \retval EINVAL Error if the input is too large for the struct
4630 * \retval ENOMEM Error if there are too many servers
4632 * \post set the callbak interfaces addresses to those of the hosts
4634 DECL_PIOCTL(PSetCPrefs)
4638 struct setspref *sin;
4641 AFS_STATCNT(PSetCPrefs);
4642 if (!afs_resourceinit_flag) /* afs daemons haven't started yet */
4643 return EIO; /* Inappropriate ioctl for device */
4645 /* Yuck. Input to this function relies on reading past the end of
4646 * structures. Bodge it for now.
4649 ainSize = ain->remaining;
4651 sin = (struct setspref *)ainPtr;
4653 if (ainSize < sizeof(struct setspref))
4655 #if 0 /* num_servers is unsigned */
4656 if (sin->num_servers < 0)
4659 if (sin->num_servers > AFS_MAX_INTERFACE_ADDR)
4662 ObtainWriteLock(&afs_xinterface, 412);
4663 afs_cb_interface.numberOfInterfaces = sin->num_servers;
4664 for (i = 0; (unsigned short)i < sin->num_servers; i++)
4665 afs_cb_interface.addr_in[i] = sin->servers[i].host.s_addr;
4667 ReleaseWriteLock(&afs_xinterface);
4672 * VIOC_AFS_FLUSHMOUNT (52) - Flush mount symlink data
4677 * the last part of a path to a mount point, which tells us what to flush
4682 * Error if some of the initial arguments aren't set
4684 * Error if the initial argument for the mount point isn't a directory
4686 * Error if the dcache entry isn't set
4689 * remove all of the mount data from the dcache regarding a
4690 * certain mount point
4692 DECL_PIOCTL(PFlushMount)
4694 register afs_int32 code;
4695 register struct vcache *tvc;
4696 register struct dcache *tdc;
4697 struct VenusFid tfid;
4700 struct sysname_info sysState;
4701 afs_size_t offset, len;
4703 AFS_STATCNT(PFlushMount);
4707 if (afs_pd_getStringPtr(ain, &mount) != 0)
4710 code = afs_VerifyVCache(avc, areq);
4713 if (vType(avc) != VDIR) {
4716 tdc = afs_GetDCache(avc, (afs_size_t) 0, areq, &offset, &len, 1);
4719 Check_AtSys(avc, mount, &sysState, areq);
4720 ObtainReadLock(&tdc->lock);
4722 code = afs_dir_Lookup(tdc, sysState.name, &tfid.Fid);
4723 } while (code == ENOENT && Next_AtSys(avc, areq, &sysState));
4724 ReleaseReadLock(&tdc->lock);
4725 afs_PutDCache(tdc); /* we're done with the data */
4726 bufp = sysState.name;
4730 tfid.Cell = avc->f.fid.Cell;
4731 tfid.Fid.Volume = avc->f.fid.Fid.Volume;
4732 if (!tfid.Fid.Unique && (avc->f.states & CForeign)) {
4733 tvc = afs_LookupVCache(&tfid, areq, NULL, avc, bufp);
4735 tvc = afs_GetVCache(&tfid, areq, NULL, NULL);
4741 if (tvc->mvstat != 1) {
4746 #ifdef AFS_BOZONLOCK_ENV
4747 afs_BozonLock(&tvc->pvnLock, tvc); /* Since afs_TryToSmush will do a pvn_vptrunc */
4749 ObtainWriteLock(&tvc->lock, 649);
4750 ObtainWriteLock(&afs_xcbhash, 650);
4751 afs_DequeueCallback(tvc);
4752 tvc->f.states &= ~(CStatd | CDirty); /* next reference will re-stat cache entry */
4753 ReleaseWriteLock(&afs_xcbhash);
4754 /* now find the disk cache entries */
4755 afs_TryToSmush(tvc, *acred, 1);
4756 osi_dnlc_purgedp(tvc);
4757 if (tvc->linkData && !(tvc->f.states & CCore)) {
4758 afs_osi_Free(tvc->linkData, strlen(tvc->linkData) + 1);
4759 tvc->linkData = NULL;
4761 ReleaseWriteLock(&tvc->lock);
4762 #ifdef AFS_BOZONLOCK_ENV
4763 afs_BozonUnlock(&tvc->pvnLock, tvc);
4767 if (sysState.allocked)
4768 osi_FreeLargeSpace(bufp);
4773 * VIOC_RXSTAT_PROC (53) - Control process RX statistics
4777 * \param[in] ain the flags that control which stats to use
4778 * \param[out] aout not in use
4780 * \retval EACCES Error if the user doesn't have super-user credentials
4781 * \retval EINVAL Error if the flag input is too long
4784 * either enable process RPCStats, disable process RPCStats,
4785 * or clear the process RPCStats
4787 DECL_PIOCTL(PRxStatProc)
4791 if (!afs_osi_suser(*acred))
4794 if (afs_pd_getInt(ain, &flags) != 0)
4797 if (!(flags & AFSCALL_RXSTATS_MASK) || (flags & ~AFSCALL_RXSTATS_MASK))
4800 if (flags & AFSCALL_RXSTATS_ENABLE) {
4801 rx_enableProcessRPCStats();
4803 if (flags & AFSCALL_RXSTATS_DISABLE) {
4804 rx_disableProcessRPCStats();
4806 if (flags & AFSCALL_RXSTATS_CLEAR) {
4807 rx_clearProcessRPCStats(AFS_RX_STATS_CLEAR_ALL);
4814 * VIOC_RXSTAT_PEER (54) - Control peer RX statistics
4818 * \param[in] ain the flags that control which statistics to use
4819 * \param[out] aout not in use
4821 * \retval EACCES Error if the user doesn't have super-user credentials
4822 * \retval EINVAL Error if the flag input is too long
4825 * either enable peer RPCStatws, disable peer RPCStats,
4826 * or clear the peer RPCStats
4828 DECL_PIOCTL(PRxStatPeer)
4832 if (!afs_osi_suser(*acred))
4835 if (afs_pd_getInt(ain, &flags) != 0)
4838 if (!(flags & AFSCALL_RXSTATS_MASK) || (flags & ~AFSCALL_RXSTATS_MASK))
4841 if (flags & AFSCALL_RXSTATS_ENABLE) {
4842 rx_enablePeerRPCStats();
4844 if (flags & AFSCALL_RXSTATS_DISABLE) {
4845 rx_disablePeerRPCStats();
4847 if (flags & AFSCALL_RXSTATS_CLEAR) {
4848 rx_clearPeerRPCStats(AFS_RX_STATS_CLEAR_ALL);
4853 DECL_PIOCTL(PPrefetchFromTape)
4855 register afs_int32 code, code1;
4856 afs_int32 bytes, outval;
4857 struct afs_conn *tc;
4858 struct rx_call *tcall;
4859 struct AFSVolSync tsync;
4860 struct AFSFetchStatus OutStatus;
4861 struct AFSCallBack CallBack;
4862 struct VenusFid tfid;
4866 AFS_STATCNT(PSetAcl);
4870 Fid = afs_pd_inline(ain, sizeof(struct AFSFid));
4872 Fid = &avc->f.fid.Fid;
4874 tfid.Cell = avc->f.fid.Cell;
4875 tfid.Fid.Volume = Fid->Volume;
4876 tfid.Fid.Vnode = Fid->Vnode;
4877 tfid.Fid.Unique = Fid->Unique;
4879 tvc = afs_GetVCache(&tfid, areq, NULL, NULL);
4881 afs_Trace3(afs_iclSetp, CM_TRACE_PREFETCHCMD, ICL_TYPE_POINTER, tvc,
4882 ICL_TYPE_FID, &tfid, ICL_TYPE_FID, &avc->f.fid);
4885 afs_Trace3(afs_iclSetp, CM_TRACE_PREFETCHCMD, ICL_TYPE_POINTER, tvc,
4886 ICL_TYPE_FID, &tfid, ICL_TYPE_FID, &tvc->f.fid);
4889 tc = afs_Conn(&tvc->f.fid, areq, SHARED_LOCK);
4893 tcall = rx_NewCall(tc->id);
4895 StartRXAFS_FetchData(tcall, (struct AFSFid *)&tvc->f.fid.Fid, 0,
4898 bytes = rx_Read(tcall, (char *)&outval, sizeof(afs_int32));
4900 EndRXAFS_FetchData(tcall, &OutStatus, &CallBack, &tsync);
4902 code1 = rx_EndCall(tcall, code);
4906 } while (afs_Analyze
4907 (tc, code, &tvc->f.fid, areq, AFS_STATS_FS_RPCIDX_RESIDENCYRPCS,
4908 SHARED_LOCK, NULL));
4909 /* This call is done only to have the callback things handled correctly */
4910 afs_FetchStatus(tvc, &tfid, areq, &OutStatus);
4916 return afs_pd_putInt(aout, outval);
4921 register afs_int32 code;
4922 struct afs_conn *tc;
4924 struct FsCmdInputs *Inputs;
4925 struct FsCmdOutputs *Outputs;
4926 struct VenusFid tfid;
4932 Inputs = afs_pd_inline(ain, sizeof(*Inputs));
4936 Outputs = afs_pd_inline(aout, sizeof(*Outputs));
4937 if (Outputs == NULL)
4942 Fid = &avc->f.fid.Fid;
4944 tfid.Cell = avc->f.fid.Cell;
4945 tfid.Fid.Volume = Fid->Volume;
4946 tfid.Fid.Vnode = Fid->Vnode;
4947 tfid.Fid.Unique = Fid->Unique;
4949 tvc = afs_GetVCache(&tfid, areq, NULL, NULL);
4950 afs_Trace3(afs_iclSetp, CM_TRACE_RESIDCMD, ICL_TYPE_POINTER, tvc,
4951 ICL_TYPE_INT32, Inputs->command, ICL_TYPE_FID, &tfid);
4955 if (Inputs->command) {
4957 tc = afs_Conn(&tvc->f.fid, areq, SHARED_LOCK);
4961 RXAFS_FsCmd(tc->id, Fid, Inputs,
4962 (struct FsCmdOutputs *)aout);
4966 } while (afs_Analyze
4967 (tc, code, &tvc->f.fid, areq,
4968 AFS_STATS_FS_RPCIDX_RESIDENCYRPCS, SHARED_LOCK, NULL));
4969 /* This call is done to have the callback things handled correctly */
4970 afs_FetchStatus(tvc, &tfid, areq, &Outputs->status);
4971 } else { /* just a status request, return also link data */
4973 Outputs->code = afs_FetchStatus(tvc, &tfid, areq, &Outputs->status);
4974 Outputs->chars[0] = 0;
4975 if (vType(tvc) == VLNK) {
4976 ObtainWriteLock(&tvc->lock, 555);
4977 if (afs_HandleLink(tvc, areq) == 0)
4978 strncpy((char *)&Outputs->chars, tvc->linkData, MAXCMDCHARS);
4979 ReleaseWriteLock(&tvc->lock);
4988 DECL_PIOCTL(PNewUuid)
4990 /*AFS_STATCNT(PNewUuid); */
4991 if (!afs_resourceinit_flag) /* afs deamons havn't started yet */
4992 return EIO; /* Inappropriate ioctl for device */
4994 if (!afs_osi_suser(*acred))
4997 ObtainWriteLock(&afs_xinterface, 555);
4998 afs_uuid_create(&afs_cb_interface.uuid);
4999 ReleaseWriteLock(&afs_xinterface);
5000 ForceAllNewConnections();
5004 #if defined(AFS_CACHE_BYPASS)
5006 DECL_PIOCTL(PSetCachingThreshold)
5008 afs_int32 getting = 1;
5009 afs_int32 setting = 1;
5010 afs_int32 threshold = AFS_CACHE_BYPASS_DISABLED;
5012 if (afs_pd_getInt(ain, &threshold) != 0)
5018 if (setting == 0 && getting == 0)
5022 * If setting, set first, and return the value now in effect
5025 if (!afs_osi_suser(*acred))
5027 cache_bypass_threshold = threshold;
5028 afs_warn("Cache Bypass Threshold set to: %d\n", threshold);
5029 /* TODO: move to separate pioctl, or enhance pioctl */
5030 cache_bypass_strategy = LARGE_FILES_BYPASS_CACHE;
5033 /* Return the current size threshold */
5035 return afs_pd_putInt(aout, cache_bypass_threshold);
5040 #endif /* defined(AFS_CACHE_BYPASS) */
5042 DECL_PIOCTL(PCallBackAddr)
5045 afs_uint32 addr, code;
5049 struct afs_conn *tc;
5051 struct unixuser *tu;
5052 struct srvAddr **addrs;
5054 /*AFS_STATCNT(PCallBackAddr); */
5055 if (!afs_resourceinit_flag) /* afs deamons havn't started yet */
5056 return EIO; /* Inappropriate ioctl for device */
5058 if (!afs_osi_suser(acred))
5061 if (afs_pd_getInt(ain, &addr) != 0)
5064 ObtainReadLock(&afs_xinterface);
5065 for (i = 0; (unsigned short)i < afs_cb_interface.numberOfInterfaces; i++) {
5066 if (afs_cb_interface.addr_in[i] == addr)
5070 ReleaseWriteLock(&afs_xinterface);
5072 if (afs_cb_interface.addr_in[i] != addr)
5075 ObtainReadLock(&afs_xserver); /* Necessary? */
5076 ObtainReadLock(&afs_xsrvAddr);
5079 for (i = 0; i < NSERVERS; i++) {
5080 for (sa = afs_srvAddrs[i]; sa; sa = sa->next_bkt) {
5085 addrs = afs_osi_Alloc(srvAddrCount * sizeof(*addrs));
5087 for (i = 0; i < NSERVERS; i++) {
5088 for (sa = afs_srvAddrs[i]; sa; sa = sa->next_bkt) {
5089 if (j >= srvAddrCount)
5095 ReleaseReadLock(&afs_xsrvAddr);
5096 ReleaseReadLock(&afs_xserver);
5098 for (i = 0; i < j; i++) {
5104 /* vlserver has no callback conn */
5105 if (sa->sa_portal == AFS_VLPORT) {
5109 if (!ts->cell) /* not really an active server, anyway, it must */
5110 continue; /* have just been added by setsprefs */
5112 /* get a connection, even if host is down; bumps conn ref count */
5113 tu = afs_GetUser(areq->uid, ts->cell->cellNum, SHARED_LOCK);
5114 tc = afs_ConnBySA(sa, ts->cell->fsport, ts->cell->cellNum, tu,
5115 1 /*force */ , 1 /*create */ , SHARED_LOCK);
5116 afs_PutUser(tu, SHARED_LOCK);
5120 if ((sa->sa_flags & SRVADDR_ISDOWN) || afs_HaveCallBacksFrom(ts)) {
5121 if (sa->sa_flags & SRVADDR_ISDOWN) {
5122 rx_SetConnDeadTime(tc->id, 3);
5124 #ifdef RX_ENABLE_LOCKS
5126 #endif /* RX_ENABLE_LOCKS */
5127 code = RXAFS_CallBackRxConnAddr(tc->id, &addr);
5128 #ifdef RX_ENABLE_LOCKS
5130 #endif /* RX_ENABLE_LOCKS */
5132 afs_PutConn(tc, SHARED_LOCK); /* done with it now */
5133 } /* Outer loop over addrs */
5134 #endif /* UKERNEL */
5138 DECL_PIOCTL(PDiscon)
5140 #ifdef AFS_DISCON_ENV
5141 static afs_int32 mode = 1; /* Start up in 'off' */
5142 afs_int32 force = 0;
5146 if (afs_pd_getBytes(ain, &flags, 3) == 0) {
5147 if (!afs_osi_suser(*acred))
5151 mode = flags[0] - 1;
5153 afs_ConflictPolicy = flags[1] - 1;
5158 * All of these numbers are hard coded in fs.c. If they
5159 * change here, they should change there and vice versa
5162 case 0: /* Disconnect ("offline" mode), breaking all callbacks */
5163 if (!AFS_IS_DISCONNECTED) {
5164 ObtainWriteLock(&afs_discon_lock, 999);
5165 afs_DisconGiveUpCallbacks();
5166 afs_RemoveAllConns();
5167 afs_is_disconnected = 1;
5168 afs_is_discon_rw = 1;
5169 ReleaseWriteLock(&afs_discon_lock);
5172 case 1: /* Fully connected, ("online" mode). */
5173 ObtainWriteLock(&afs_discon_lock, 998);
5176 afs_MarkAllServersUp();
5177 code = afs_ResyncDisconFiles(areq, *acred);
5180 if (code && !force) {
5181 afs_warnuser("Files not synchronized properly, still in discon state. \n"
5182 "Please retry or use \"force\".\n");
5186 afs_DisconDiscardAll(*acred);
5188 afs_ClearAllStatdFlag();
5189 afs_is_disconnected = 0;
5190 afs_is_discon_rw = 0;
5191 afs_warnuser("\nSync succeeded. You are back online.\n");
5194 ReleaseWriteLock(&afs_discon_lock);
5206 return afs_pd_putInt(aout, mode);
5212 DECL_PIOCTL(PNFSNukeCreds)
5215 register afs_int32 i;
5216 register struct unixuser *tu;
5218 AFS_STATCNT(PUnlog);
5219 if (!afs_resourceinit_flag) /* afs daemons haven't started yet */
5220 return EIO; /* Inappropriate ioctl for device */
5222 if (afs_pd_getUint(ain, &addr) != 0)
5225 if (afs_cr_gid(*acred) == RMTUSER_REQ_PRIV && !addr) {
5226 tu = afs_GetUser(areq->uid, -1, SHARED_LOCK);
5227 if (!tu->exporter || !(addr = EXP_GETHOST(tu->exporter))) {
5228 afs_PutUser(tu, SHARED_LOCK);
5231 afs_PutUser(tu, SHARED_LOCK);
5232 } else if (!afs_osi_suser(acred)) {
5236 ObtainWriteLock(&afs_xuser, 227);
5237 for (i = 0; i < NUSERS; i++) {
5238 for (tu = afs_users[i]; tu; tu = tu->next) {
5239 if (tu->exporter && EXP_CHECKHOST(tu->exporter, addr)) {
5241 tu->states &= ~UHasTokens;
5242 /* security is not having to say you're sorry */
5243 memset(&tu->ct, 0, sizeof(struct ClearToken));
5245 ReleaseWriteLock(&afs_xuser);
5246 afs_ResetUserConns(tu);
5248 ObtainWriteLock(&afs_xuser, 228);
5250 /* set the expire times to 0, causes
5251 * afs_GCUserData to remove this entry
5253 tu->ct.EndTimestamp = 0;
5255 #endif /* UKERNEL */
5259 ReleaseWriteLock(&afs_xuser);