2 * Copyright (c) 1999, 2001 Boris Popov
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by Boris Popov.
16 * 4. Neither the name of the author nor the names of any co-contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 #include <sys/param.h>
35 #include <sys/systm.h>
36 #include <sys/kernel.h>
37 #include <sys/lockmgr.h>
38 #include <sys/malloc.h>
39 #include <machine/clock.h>
42 #include <netncp/ncp.h>
43 #include <netncp/ncp_conn.h>
44 #include <netncp/ncp_ncp.h>
45 #include <netncp/ncp_subr.h>
46 #include <netncp/ncp_rq.h>
47 #include <netncp/nwerror.h>
49 #include <fs/nwfs/nwfs.h>
50 #include <fs/nwfs/nwfs_node.h>
51 #include <fs/nwfs/nwfs_subr.h>
53 #define NCP_INFOSZ (sizeof(struct nw_entry_info) - 257)
55 MALLOC_DEFINE(M_NWFSDATA, "NWFS data", "NWFS private data");
58 ncp_extract_file_info(struct nwmount *nmp, struct ncp_rq *rqp,
59 struct nw_entry_info *target, int withname)
63 md_get_mem(&rqp->rp, (caddr_t)target, NCP_INFOSZ, MB_MSYSTEM);
66 md_get_uint8(&rqp->rp, &name_len);
67 target->nameLen = name_len;
68 md_get_mem(&rqp->rp, (caddr_t)target->entryName, name_len, MB_MSYSTEM);
69 target->entryName[name_len] = '\0';
70 ncp_path2unix(target->entryName, target->entryName, name_len, &nmp->m.nls);
75 ncp_initsearch(struct vnode *dvp, struct thread *td, struct ucred *cred)
77 struct nwmount *nmp = VTONWFS(dvp);
78 struct ncp_conn *conn = NWFSTOCONN(nmp);
79 struct nwnode *np = VTONW(dvp);
81 u_int8_t volnum = nmp->n_volume;
82 u_int32_t dirent = np->n_fid.f_id;
85 NCPNDEBUG("vol=%d,dir=%d\n", volnum, dirent);
86 error = ncp_rq_alloc(87, conn, td, cred, &rqp);
89 mb_put_uint8(&rqp->rq, 2); /* subfunction */
90 mb_put_uint8(&rqp->rq, nmp->name_space);
91 mb_put_uint8(&rqp->rq, 0); /* reserved */
92 ncp_rq_dbase_path(rqp, volnum, dirent, 0, NULL, NULL);
93 rqp->nr_minrplen = sizeof(np->n_seq);
94 error = ncp_request(rqp);
97 md_get_mem(&rqp->rp, (caddr_t)&np->n_seq, sizeof(np->n_seq), MB_MSYSTEM);
103 ncp_search_for_file_or_subdir(struct nwmount *nmp,
104 struct nw_search_seq *seq,
105 struct nw_entry_info *target,
106 struct thread *td,struct ucred *cred)
108 struct ncp_conn *conn = NWFSTOCONN(nmp);
112 error = ncp_rq_alloc(87, conn, td, cred, &rqp);
115 mb_put_uint8(&rqp->rq, 3); /* subfunction */
116 mb_put_uint8(&rqp->rq, nmp->name_space);
117 mb_put_uint8(&rqp->rq, 0); /* data stream */
118 mb_put_uint16le(&rqp->rq, 0xffff); /* Search attribs */
119 mb_put_uint32le(&rqp->rq, IM_ALL); /* return info mask */
120 mb_put_mem(&rqp->rq, (caddr_t)seq, 9, MB_MSYSTEM);
121 mb_put_uint8(&rqp->rq, 2); /* 2 byte pattern */
122 mb_put_uint8(&rqp->rq, 0xff); /* following is a wildcard */
123 mb_put_uint8(&rqp->rq, '*');
124 rqp->nr_minrplen = sizeof(*seq) + 1 + NCP_INFOSZ + 1;
125 error = ncp_request(rqp);
128 md_get_mem(&rqp->rp, (caddr_t)seq, sizeof(*seq), MB_MSYSTEM);
129 md_get_uint8(&rqp->rp, NULL); /* skip */
130 error = ncp_extract_file_info(nmp, rqp, target, 1);
136 * Returns information for a (one-component) name relative to the specified
140 ncp_obtain_info(struct nwmount *nmp, u_int32_t dirent,
141 int namelen, char *path, struct nw_entry_info *target,
142 struct thread *td,struct ucred *cred)
144 struct ncp_conn *conn=NWFSTOCONN(nmp);
147 u_char volnum = nmp->n_volume, ns;
149 if (target == NULL) {
150 NCPFATAL("target == NULL\n");
153 ns = (path == NULL || path[0] == 0) ? NW_NS_DOS : nmp->name_space;
154 error = ncp_rq_alloc(87, conn, td, cred, &rqp);
157 mb_put_uint8(&rqp->rq, 6); /* subfunction */
158 mb_put_uint8(&rqp->rq, ns);
159 mb_put_uint8(&rqp->rq, ns); /* DestNameSpace */
160 mb_put_uint16le(&rqp->rq, 0xff); /* get all */
161 mb_put_uint32le(&rqp->rq, IM_ALL);
162 ncp_rq_dbase_path(rqp, volnum, dirent, namelen, path, &nmp->m.nls);
163 error = ncp_request(rqp);
166 error = ncp_extract_file_info(nmp, rqp, target, path != NULL);
171 * lookup name pointed by cnp in directory dvp and return file info in np.
172 * May be I should create a little cache, but another way is to minimize
173 * number of calls, on other hand, in multiprocess environment ...
176 ncp_lookup(struct vnode *dvp, int len, char *name, struct nw_entry_info *fap,
177 struct thread *td,struct ucred *cred)
181 struct ncp_conn *conn;
184 if (!dvp || dvp->v_type != VDIR) {
185 nwfs_printf("dvp is NULL or not a directory.\n");
190 conn = NWFSTOCONN(nmp);
192 if (len == 1 && name[0] == '.') {
193 if (dnp->n_flag & NVOLUME) {
194 error = ncp_obtain_info(nmp, dnp->n_fid.f_id, 0, NULL,
197 error = ncp_obtain_info(nmp, dnp->n_fid.f_parent,
198 dnp->n_nmlen, dnp->n_name, fap, td, cred);
201 } else if (len == 2 && name[0] == '.' && name[1] == '.') {
202 printf("%s: knows NOTHING about '..'\n", __func__);
205 error = ncp_obtain_info(nmp, dnp->n_fid.f_id,
206 len, name, fap, td, cred);
211 static void ConvertToNWfromDWORD(u_int32_t sfd, ncp_fh *fh);
213 ConvertToNWfromDWORD(u_int32_t sfd, ncp_fh *fh) {
214 fh->val1 = (fh->val.val32 = sfd);
219 * If both dir and name are NULL, then in target there's already a looked-up
220 * entry that wants to be opened.
223 ncp_open_create_file_or_subdir(struct nwmount *nmp,struct vnode *dvp,int namelen,
224 char *name, int open_create_mode, u_int32_t create_attributes,
225 int desired_acc_rights, struct ncp_open_info *nop,
226 struct thread *td,struct ucred *cred)
229 struct ncp_conn *conn=NWFSTOCONN(nmp);
231 u_int16_t search_attribs = SA_ALL & (~SA_SUBDIR_FILES);
236 error = ncp_rq_alloc(87, conn, td, cred, &rqp);
239 volnum = nmp->n_volume;
240 dirent = VTONW(dvp)->n_fid.f_id;
241 if ((create_attributes & aDIR) != 0) {
242 search_attribs |= SA_SUBDIR_FILES;
244 mb_put_uint8(&rqp->rq, 1);/* subfunction */
245 mb_put_uint8(&rqp->rq, nmp->name_space);
246 mb_put_uint8(&rqp->rq, open_create_mode);
247 mb_put_uint16le(&rqp->rq, search_attribs);
248 mb_put_uint32le(&rqp->rq, IM_ALL);
249 mb_put_uint32le(&rqp->rq, create_attributes);
251 * The desired acc rights seem to be the inherited rights mask for
254 mb_put_uint16le(&rqp->rq, desired_acc_rights);
255 ncp_rq_dbase_path(rqp, volnum, dirent, namelen, name, &nmp->m.nls);
256 error = ncp_request(rqp);
258 if (error == NWE_FILE_NO_CREATE_PRIV)
262 md_get_uint32le(&rqp->rp, &nop->origfh);
263 md_get_uint8(&rqp->rp, &nop->action);
264 md_get_uint8(&rqp->rp, NULL); /* skip */
265 error = ncp_extract_file_info(nmp, rqp, &nop->fattr, 1);
267 ConvertToNWfromDWORD(nop->origfh, &nop->fh);
272 ncp_close_file(struct ncp_conn *conn, ncp_fh *fh,struct thread *td,struct ucred *cred)
277 error = ncp_rq_alloc(66, conn, td, cred, &rqp);
280 mb_put_uint8(&rqp->rq, 0);
281 mb_put_mem(&rqp->rq, (caddr_t)fh, 6, MB_MSYSTEM);
282 error = ncp_request(rqp);
290 ncp_DeleteNSEntry(struct nwmount *nmp, u_int32_t dirent,
291 int namelen,char *name,struct thread *td,struct ucred *cred)
295 struct ncp_conn *conn=NWFSTOCONN(nmp);
297 error = ncp_rq_alloc(87, conn, td, cred, &rqp);
300 mb_put_uint8(&rqp->rq, 8); /* subfunction */
301 mb_put_uint8(&rqp->rq, nmp->name_space);
302 mb_put_uint8(&rqp->rq, 0); /* reserved */
303 mb_put_uint16le(&rqp->rq, SA_ALL); /* search attribs: all */
304 ncp_rq_dbase_path(rqp, nmp->n_volume, dirent, namelen, name, &nmp->m.nls);
305 error = ncp_request(rqp);
312 ncp_nsrename(struct ncp_conn *conn, int volume, int ns, int oldtype,
313 struct ncp_nlstables *nt,
314 nwdirent fdir, char *old_name, int oldlen,
315 nwdirent tdir, char *new_name, int newlen,
316 struct thread *td, struct ucred *cred)
321 error = ncp_rq_alloc(87, conn, td, cred, &rqp);
324 mb_put_uint8(&rqp->rq, 4);
325 mb_put_uint8(&rqp->rq, ns);
326 mb_put_uint8(&rqp->rq, 1); /* RRenameToMySelf */
327 mb_put_uint16le(&rqp->rq, oldtype);
328 /* source Handle Path */
329 mb_put_uint8(&rqp->rq, volume);
330 mb_put_mem(&rqp->rq, (c_caddr_t)&fdir, sizeof(fdir), MB_MSYSTEM);
331 mb_put_uint8(&rqp->rq, 1);
332 mb_put_uint8(&rqp->rq, 1); /* 1 source component */
333 /* dest Handle Path */
334 mb_put_uint8(&rqp->rq, volume);
335 mb_put_mem(&rqp->rq, (c_caddr_t)&tdir, sizeof(tdir), MB_MSYSTEM);
336 mb_put_uint8(&rqp->rq, 1);
337 mb_put_uint8(&rqp->rq, 1); /* 1 destination component */
338 ncp_rq_pathstring(rqp, oldlen, old_name, nt);
339 ncp_rq_pathstring(rqp, newlen, new_name, nt);
340 error = ncp_request(rqp);
347 ncp_modify_file_or_subdir_dos_info(struct nwmount *nmp, struct vnode *vp,
349 struct nw_modify_dos_info *info,
350 struct thread *td,struct ucred *cred)
352 struct nwnode *np=VTONW(vp);
354 u_int8_t volnum = nmp->n_volume;
355 u_int32_t dirent = np->n_fid.f_id;
356 struct ncp_conn *conn=NWFSTOCONN(nmp);
359 error = ncp_rq_alloc(87, conn, td, cred, &rqp);
362 mb_put_uint8(&rqp->rq, 7); /* subfunction */
363 mb_put_uint8(&rqp->rq, nmp->name_space);
364 mb_put_uint8(&rqp->rq, 0); /* reserved */
365 mb_put_uint16le(&rqp->rq, SA_ALL); /* search attribs: all */
366 mb_put_uint32le(&rqp->rq, info_mask);
367 mb_put_mem(&rqp->rq, (caddr_t)info, sizeof(*info), MB_MSYSTEM);
368 ncp_rq_dbase_path(rqp, volnum, dirent, 0, NULL, NULL);
369 error = ncp_request(rqp);
376 ncp_setattr(vp, vap, cred, td)
382 struct nwmount *nmp=VTONWFS(vp);
383 struct nwnode *np=VTONW(vp);
384 struct ncp_open_info nwn;
385 struct ncp_conn *conn=NWFSTOCONN(nmp);
386 struct nw_modify_dos_info info;
388 int error = 0, info_mask;
390 if (vap->va_size != VNOVAL) {
391 error = ncp_open_create_file_or_subdir(nmp, vp, 0, NULL, OC_MODE_OPEN, 0,
392 AR_WRITE | AR_READ, &nwn,td,cred);
395 error = ncp_rq_alloc(73, conn, td, cred, &rqp);
397 ncp_close_file(conn, &nwn.fh, td, cred);
400 mb_put_uint8(&rqp->rq, 0);
401 mb_put_mem(&rqp->rq, (caddr_t)&nwn.fh, 6, MB_MSYSTEM);
402 mb_put_uint32be(&rqp->rq, vap->va_size);
403 mb_put_uint16be(&rqp->rq, 0);
404 error = ncp_request(rqp);
405 np->n_vattr.va_size = np->n_size = vap->va_size;
408 ncp_close_file(conn, &nwn.fh, td, cred);
413 bzero(&info, sizeof(info));
415 if (vap->va_mtime.tv_sec != VNOVAL) {
416 info_mask |= (DM_MODIFY_TIME | DM_MODIFY_DATE);
417 ncp_unix2dostime(&vap->va_mtime, nmp->m.tz, &info.modifyDate, &info.modifyTime, NULL);
419 if (vap->va_atime.tv_sec != VNOVAL) {
420 info_mask |= (DM_LAST_ACCESS_DATE);
421 ncp_unix2dostime(&vap->va_atime, nmp->m.tz, &info.lastAccessDate, NULL, NULL);
424 error = ncp_modify_file_or_subdir_dos_info(nmp, vp, info_mask, &info,td,cred);
430 ncp_get_volume_info_with_number(struct ncp_conn *conn,
431 int n, struct ncp_volume_info *target,
432 struct thread *td,struct ucred *cred)
439 error = ncp_rq_alloc_subfn(22, 44, conn, td, cred, &rqp);
442 mb_put_uint8(&rqp->rq,n);
443 error = ncp_request(rqp);
446 md_get_uint32le(&rqp->rp, &target->total_blocks);
447 md_get_uint32le(&rqp->rp, &target->free_blocks);
448 md_get_uint32le(&rqp->rp, &target->purgeable_blocks);
449 md_get_uint32le(&rqp->rp, &target->not_yet_purgeable_blocks);
450 md_get_uint32le(&rqp->rp, &target->total_dir_entries);
451 md_get_uint32le(&rqp->rp, &target->available_dir_entries);
452 md_get_uint32le(&rqp->rp, &tmp32);
453 md_get_uint8(&rqp->rp, &target->sectors_per_block);
454 bzero(&target->volume_name, sizeof(target->volume_name));
455 md_get_uint8(&rqp->rp, &len);
456 if (len > NCP_VOLNAME_LEN) {
457 error = ENAMETOOLONG;
459 md_get_mem(&rqp->rp, (caddr_t)&target->volume_name, len, MB_MSYSTEM);
466 ncp_get_namespaces(struct ncp_conn *conn, u_int32_t volume, int *nsf,
467 struct thread *td,struct ucred *cred)
474 error = ncp_rq_alloc(87, conn, td, cred, &rqp);
477 mb_put_uint8(&rqp->rq, 24); /* Subfunction: Get Loaded Name Spaces */
478 mb_put_uint16le(&rqp->rq, 0); /* reserved */
479 mb_put_uint8(&rqp->rq, volume);
480 error = ncp_request(rqp);
483 md_get_uint16le(&rqp->rp, &nscnt);
485 while (nscnt-- > 0) {
486 md_get_uint8(&rqp->rp, &ns);
494 ncp_lookup_volume(struct ncp_conn *conn, char *volname,
495 u_char *volNum, u_int32_t *dirEnt,
496 struct thread *td,struct ucred *cred)
502 NCPNDEBUG("looking up vol %s\n", volname);
503 error = ncp_rq_alloc(87, conn, td, cred, &rqp);
506 mb_put_uint8(&rqp->rq, 22); /* Subfunction: Generate dir handle */
507 mb_put_uint8(&rqp->rq, 0); /* src name space */
508 mb_put_uint8(&rqp->rq, 0); /* dst name space, always zero */
509 mb_put_uint16le(&rqp->rq, 0); /* dstNSIndicator (Jn) */
511 mb_put_uint8(&rqp->rq, 0); /* faked volume number */
512 mb_put_uint32be(&rqp->rq, 0); /* faked dir_base */
513 mb_put_uint8(&rqp->rq, 0xff); /* Don't have a dir_base */
514 mb_put_uint8(&rqp->rq, 1); /* 1 path component */
515 ncp_rq_pstring(rqp, volname);
516 error = ncp_request(rqp);
519 md_get_uint32le(&rqp->rp, &tmp32);
520 md_get_uint32le(&rqp->rp, dirEnt);
521 md_get_uint8(&rqp->rp, volNum);
527 * Time & date conversion routines taken from msdosfs. Although leap
528 * year calculation is bogus, it's sufficient before 2100 :)
531 * This is the format of the contents of the deTime field in the direntry
533 * We don't use bitfields because we don't know how compilers for
534 * arbitrary machines will lay them out.
536 #define DT_2SECONDS_MASK 0x1F /* seconds divided by 2 */
537 #define DT_2SECONDS_SHIFT 0
538 #define DT_MINUTES_MASK 0x7E0 /* minutes */
539 #define DT_MINUTES_SHIFT 5
540 #define DT_HOURS_MASK 0xF800 /* hours */
541 #define DT_HOURS_SHIFT 11
544 * This is the format of the contents of the deDate field in the direntry
547 #define DD_DAY_MASK 0x1F /* day of month */
548 #define DD_DAY_SHIFT 0
549 #define DD_MONTH_MASK 0x1E0 /* month */
550 #define DD_MONTH_SHIFT 5
551 #define DD_YEAR_MASK 0xFE00 /* year - 1980 */
552 #define DD_YEAR_SHIFT 9
554 * Total number of days that have passed for each month in a regular year.
556 static u_short regyear[] = {
557 31, 59, 90, 120, 151, 181,
558 212, 243, 273, 304, 334, 365
562 * Total number of days that have passed for each month in a leap year.
564 static u_short leapyear[] = {
565 31, 60, 91, 121, 152, 182,
566 213, 244, 274, 305, 335, 366
570 * Variables used to remember parts of the last time conversion. Maybe we
571 * can avoid a full conversion.
573 static u_long lasttime;
574 static u_long lastday;
575 static u_short lastddate;
576 static u_short lastdtime;
578 * Convert the unix version of time to dos's idea of time to be used in
579 * file timestamps. The passed in unix time is assumed to be in GMT.
582 ncp_unix2dostime(tsp, tzoff, ddp, dtp, dhp)
583 struct timespec *tsp;
597 * If the time from the last conversion is the same as now, then
598 * skip the computations and use the saved result.
600 t = tsp->tv_sec - tzoff * 60 - tz_minuteswest * 60 -
601 (wall_cmos_clock ? adjkerntz : 0);
605 lastdtime = (((t / 2) % 30) << DT_2SECONDS_SHIFT)
606 + (((t / 60) % 60) << DT_MINUTES_SHIFT)
607 + (((t / 3600) % 24) << DT_HOURS_SHIFT);
610 * If the number of days since 1970 is the same as the last
611 * time we did the computation then skip all this leap year
614 days = t / (24 * 60 * 60);
615 if (days != lastday) {
617 for (year = 1970;; year++) {
618 inc = year & 0x03 ? 365 : 366;
623 months = year & 0x03 ? regyear : leapyear;
624 for (month = 0; days >= months[month]; month++)
627 days -= months[month - 1];
628 lastddate = ((days + 1) << DD_DAY_SHIFT)
629 + ((month + 1) << DD_MONTH_SHIFT);
631 * Remember dos's idea of time is relative to 1980.
632 * unix's is relative to 1970. If somehow we get a
633 * time before 1980 then don't give totally crazy
637 lastddate += (year - 1980) << DD_YEAR_SHIFT;
643 *dhp = (tsp->tv_sec & 1) * 100 + tsp->tv_nsec / 10000000;
649 * The number of seconds between Jan 1, 1970 and Jan 1, 1980. In that
650 * interval there were 8 regular years and 2 leap years.
652 #define SECONDSTO1980 (((8 * 365) + (2 * 366)) * (24 * 60 * 60))
654 static u_short lastdosdate;
655 static u_long lastseconds;
658 * Convert from dos' idea of time to unix'. This will probably only be
659 * called from the stat(), and fstat() system calls and so probably need
660 * not be too efficient.
663 ncp_dos2unixtime(dd, dt, dh, tzoff, tsp)
668 struct timespec *tsp;
678 * Uninitialized field, return the epoch.
684 seconds = (((dt & DT_2SECONDS_MASK) >> DT_2SECONDS_SHIFT) << 1)
685 + ((dt & DT_MINUTES_MASK) >> DT_MINUTES_SHIFT) * 60
686 + ((dt & DT_HOURS_MASK) >> DT_HOURS_SHIFT) * 3600
689 * If the year, month, and day from the last conversion are the
690 * same then use the saved value.
692 if (lastdosdate != dd) {
695 year = (dd & DD_YEAR_MASK) >> DD_YEAR_SHIFT;
697 days += year / 4 + 1; /* add in leap days */
698 if ((year & 0x03) == 0)
699 days--; /* if year is a leap year */
700 months = year & 0x03 ? regyear : leapyear;
701 month = (dd & DD_MONTH_MASK) >> DD_MONTH_SHIFT;
702 if (month < 1 || month > 12) {
706 days += months[month - 2];
707 days += ((dd & DD_DAY_MASK) >> DD_DAY_SHIFT) - 1;
708 lastseconds = (days * 24 * 60 * 60) + SECONDSTO1980;
710 tsp->tv_sec = seconds + lastseconds + tz_minuteswest * 60 +
711 tzoff * 60 + (wall_cmos_clock ? adjkerntz : 0);
712 tsp->tv_nsec = (dh % 100) * 10000000;