2 * Copyright (c) 2000-2001 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.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * various SMB requests. Most of the routines merely packs data into mbufs.
31 #include <sys/cdefs.h>
32 __FBSDID("$FreeBSD$");
34 #include <sys/param.h>
35 #include <sys/systm.h>
36 #include <sys/kernel.h>
37 #include <sys/malloc.h>
40 #include <sys/sysctl.h>
41 #include <sys/socket.h>
44 #include <sys/iconv.h>
46 #include <netsmb/smb.h>
47 #include <netsmb/smb_subr.h>
48 #include <netsmb/smb_rq.h>
49 #include <netsmb/smb_conn.h>
50 #include <netsmb/smb_tran.h>
52 #include "opt_netsmb.h"
59 static struct smb_dialect smb_dialects[] = {
60 {SMB_DIALECT_CORE, "PC NETWORK PROGRAM 1.0"},
61 {SMB_DIALECT_COREPLUS, "MICROSOFT NETWORKS 1.03"},
62 {SMB_DIALECT_LANMAN1_0, "MICROSOFT NETWORKS 3.0"},
63 {SMB_DIALECT_LANMAN1_0, "LANMAN1.0"},
64 {SMB_DIALECT_LANMAN2_0, "LM1.2X002"},
65 {SMB_DIALECT_LANMAN2_0, "Samba"},
66 {SMB_DIALECT_NTLM0_12, "NT LANMAN 1.0"},
67 {SMB_DIALECT_NTLM0_12, "NT LM 0.12"},
72 smb_vc_maxread(struct smb_vc *vcp)
75 * Specs say up to 64k data bytes, but Windows traffic
76 * uses 60k... no doubt for some good reason.
78 * Don't exceed the server's buffer size if signatures
79 * are enabled otherwise Windows 2003 chokes. Allow space
80 * for the SMB header & a little bit extra.
82 if ((vcp->vc_sopt.sv_caps & SMB_CAP_LARGE_READX) &&
83 (vcp->vc_hflags2 & SMB_FLAGS2_SECURITY_SIGNATURE) == 0)
86 return (vcp->vc_sopt.sv_maxtx - SMB_HDRLEN - 64);
90 smb_vc_maxwrite(struct smb_vc *vcp)
95 if ((vcp->vc_sopt.sv_caps & SMB_CAP_LARGE_WRITEX) &&
96 (vcp->vc_hflags2 & SMB_FLAGS2_SECURITY_SIGNATURE) == 0)
99 return (vcp->vc_sopt.sv_maxtx - SMB_HDRLEN - 64);
103 smb_smb_nomux(struct smb_vc *vcp, struct smb_cred *scred, const char *name)
105 if (scred->scr_td->td_proc == vcp->vc_iod->iod_p)
107 SMBERROR("wrong function called(%s)\n", name);
112 smb_smb_negotiate(struct smb_vc *vcp, struct smb_cred *scred)
114 struct smb_dialect *dp;
115 struct smb_sopt *sp = NULL;
119 u_int8_t wc, stime[8], sblen;
120 u_int16_t dindex, tw, tw1, swlen, bc;
122 int unicode = SMB_UNICODE_STRINGS(vcp);
123 void * servercharset = vcp->vc_toserver;
124 void * localcharset = vcp->vc_tolocal;
126 if (smb_smb_nomux(vcp, scred, __func__) != 0)
128 /* Disable Unicode for SMB_COM_NEGOTIATE requests */
130 vcp->vc_toserver = vcp->vc_cp_toserver;
131 vcp->vc_tolocal = vcp->vc_cp_tolocal;
135 vcp->obj.co_flags &= ~(SMBV_ENCRYPT);
137 bzero(sp, sizeof(struct smb_sopt));
138 error = smb_rq_alloc(VCTOCP(vcp), SMB_COM_NEGOTIATE, scred, &rqp);
141 smb_rq_getrequest(rqp, &mbp);
145 for(dp = smb_dialects; dp->d_id != -1; dp++) {
146 mb_put_uint8(mbp, SMB_DT_DIALECT);
147 smb_put_dstring(mbp, vcp, dp->d_name, SMB_CS_NONE);
150 error = smb_rq_simple(rqp);
151 SMBSDEBUG("%d\n", error);
154 smb_rq_getreply(rqp, &mdp);
156 error = md_get_uint8(mdp, &wc);
159 error = md_get_uint16le(mdp, &dindex);
163 SMBERROR("Don't know how to talk with server %s (%d)\n", "xxx", dindex);
167 dp = smb_dialects + dindex;
168 sp->sv_proto = dp->d_id;
169 SMBSDEBUG("Dialect %s (%d, %d)\n", dp->d_name, dindex, wc);
171 if (dp->d_id >= SMB_DIALECT_NTLM0_12) {
174 md_get_uint8(mdp, &sp->sv_sm);
175 md_get_uint16le(mdp, &sp->sv_maxmux);
176 md_get_uint16le(mdp, &sp->sv_maxvcs);
177 md_get_uint32le(mdp, &sp->sv_maxtx);
178 md_get_uint32le(mdp, &sp->sv_maxraw);
179 md_get_uint32le(mdp, &sp->sv_skey);
180 md_get_uint32le(mdp, &sp->sv_caps);
181 md_get_mem(mdp, stime, 8, MB_MSYSTEM);
182 md_get_uint16le(mdp, (u_int16_t*)&sp->sv_tz);
183 md_get_uint8(mdp, &sblen);
184 if (sblen && (sp->sv_sm & SMB_SM_ENCRYPT)) {
185 if (sblen != SMB_MAXCHALLENGELEN) {
186 SMBERROR("Unexpected length of security blob (%d)\n", sblen);
189 error = md_get_uint16le(mdp, &bc);
192 if (sp->sv_caps & SMB_CAP_EXT_SECURITY)
193 md_get_mem(mdp, NULL, 16, MB_MSYSTEM);
194 error = md_get_mem(mdp, vcp->vc_ch, sblen, MB_MSYSTEM);
197 vcp->vc_chlen = sblen;
198 vcp->obj.co_flags |= SMBV_ENCRYPT;
200 if (sp->sv_sm & SMB_SM_SIGS_REQUIRE)
201 vcp->vc_hflags2 |= SMB_FLAGS2_SECURITY_SIGNATURE;
202 if (vcp->vc_ucs_toserver &&
203 sp->sv_caps & SMB_CAP_UNICODE) {
207 vcp->obj.co_flags |= SMBV_UNICODE;
209 vcp->vc_hflags2 |= SMB_FLAGS2_KNOWS_LONG_NAMES;
210 if (dp->d_id == SMB_DIALECT_NTLM0_12 &&
211 sp->sv_maxtx < 4096 &&
212 (sp->sv_caps & SMB_CAP_NT_SMBS) == 0) {
213 vcp->obj.co_flags |= SMBV_WIN95;
214 SMBSDEBUG("Win95 detected\n");
219 vcp->vc_hflags2 &= ~(SMB_FLAGS2_EXT_SEC|SMB_FLAGS2_DFS|
220 SMB_FLAGS2_ERR_STATUS|SMB_FLAGS2_UNICODE);
222 if (dp->d_id > SMB_DIALECT_CORE) {
223 md_get_uint16le(mdp, &tw);
225 md_get_uint16le(mdp, &tw);
227 md_get_uint16le(mdp, &sp->sv_maxmux);
228 md_get_uint16le(mdp, &sp->sv_maxvcs);
229 md_get_uint16le(mdp, &tw); /* rawmode */
230 md_get_uint32le(mdp, &sp->sv_skey);
231 if (wc == 13) { /* >= LANMAN1 */
232 md_get_uint16(mdp, &tw); /* time */
233 md_get_uint16(mdp, &tw1); /* date */
234 md_get_uint16le(mdp, (u_int16_t*)&sp->sv_tz);
235 md_get_uint16le(mdp, &swlen);
236 if (swlen > SMB_MAXCHALLENGELEN)
238 md_get_uint16(mdp, NULL); /* mbz */
239 if (md_get_uint16le(mdp, &bc) != 0)
243 if (swlen && (sp->sv_sm & SMB_SM_ENCRYPT)) {
244 error = md_get_mem(mdp, vcp->vc_ch, swlen, MB_MSYSTEM);
247 vcp->vc_chlen = swlen;
248 vcp->obj.co_flags |= SMBV_ENCRYPT;
251 vcp->vc_hflags2 |= SMB_FLAGS2_KNOWS_LONG_NAMES;
252 } else { /* an old CORE protocol */
258 vcp->vc_maxvcs = sp->sv_maxvcs;
259 if (vcp->vc_maxvcs <= 1) {
260 if (vcp->vc_maxvcs == 0)
263 if (sp->sv_maxtx <= 0 || sp->sv_maxtx > 0xffff)
266 sp->sv_maxtx = min(sp->sv_maxtx,
267 63*1024 + SMB_HDRLEN + 16);
268 SMB_TRAN_GETPARAM(vcp, SMBTP_RCVSZ, &maxqsz);
269 vcp->vc_rxmax = min(smb_vc_maxread(vcp), maxqsz - 1024);
270 SMB_TRAN_GETPARAM(vcp, SMBTP_SNDSZ, &maxqsz);
271 vcp->vc_wxmax = min(smb_vc_maxwrite(vcp), maxqsz - 1024);
272 vcp->vc_txmax = min(sp->sv_maxtx, maxqsz);
273 SMBSDEBUG("TZ = %d\n", sp->sv_tz);
274 SMBSDEBUG("CAPS = %x\n", sp->sv_caps);
275 SMBSDEBUG("MAXMUX = %d\n", sp->sv_maxmux);
276 SMBSDEBUG("MAXVCS = %d\n", sp->sv_maxvcs);
277 SMBSDEBUG("MAXRAW = %d\n", sp->sv_maxraw);
278 SMBSDEBUG("MAXTX = %d\n", sp->sv_maxtx);
281 /* Restore Unicode conversion state */
283 vcp->vc_toserver = servercharset;
284 vcp->vc_tolocal = localcharset;
285 vcp->vc_hflags2 |= SMB_FLAGS2_UNICODE;
292 smb_smb_ssnsetup(struct smb_vc *vcp, struct smb_cred *scred)
298 smb_uniptr unipp, ntencpass = NULL;
299 char *pp, *up, *pbuf, *encpass;
300 int error, plen, uniplen, ulen, upper;
305 if (vcp->obj.co_flags & SMBV_UNICODE)
306 caps |= SMB_CAP_UNICODE;
310 vcp->vc_smbuid = SMB_UID_UNKNOWN;
312 if (smb_smb_nomux(vcp, scred, __func__) != 0)
315 error = smb_rq_alloc(VCTOCP(vcp), SMB_COM_SESSION_SETUP_ANDX, scred, &rqp);
318 pbuf = malloc(SMB_MAXPASSWORDLEN + 1, M_SMBTEMP, M_WAITOK);
319 encpass = malloc(24, M_SMBTEMP, M_WAITOK);
320 if (vcp->vc_sopt.sv_sm & SMB_SM_USER) {
322 * We try w/o uppercasing first so Samba mixed case
323 * passwords work. If that fails we come back and try
324 * uppercasing to satisfy OS/2 and Windows for Workgroups.
327 iconv_convstr(vcp->vc_toupper, pbuf,
328 smb_vc_getpass(vcp)/*, SMB_MAXPASSWORDLEN*/);
330 strncpy(pbuf, smb_vc_getpass(vcp), SMB_MAXPASSWORDLEN);
331 pbuf[SMB_MAXPASSWORDLEN] = '\0';
333 if (!SMB_UNICODE_STRINGS(vcp))
334 iconv_convstr(vcp->vc_toserver, pbuf, pbuf/*,
335 SMB_MAXPASSWORDLEN*/);
337 if (vcp->vc_sopt.sv_sm & SMB_SM_ENCRYPT) {
339 smb_encrypt(pbuf, vcp->vc_ch, encpass);
340 ntencpass = malloc(uniplen, M_SMBTEMP, M_WAITOK);
341 if (SMB_UNICODE_STRINGS(vcp)) {
342 strncpy(pbuf, smb_vc_getpass(vcp),
344 pbuf[SMB_MAXPASSWORDLEN] = '\0';
346 iconv_convstr(vcp->vc_toserver, pbuf,
347 smb_vc_getpass(vcp)/*,
348 SMB_MAXPASSWORDLEN*/);
349 smb_ntencrypt(pbuf, vcp->vc_ch, (u_char*)ntencpass);
353 plen = strlen(pbuf) + 1;
356 ntencpass = malloc(uniplen, M_SMBTEMP, M_WAITOK);
357 smb_strtouni(ntencpass, smb_vc_getpass(vcp));
361 * The uniplen is zeroed because Samba cannot deal
362 * with this 2nd cleartext password. This Samba
363 * "bug" is actually a workaround for problems in
371 * In the share security mode password will be used
372 * only in the tree authentication
377 uniplen = 0 /* sizeof(smb_unieol) */;
381 up = vcp->vc_username;
382 ulen = strlen(up) + 1;
384 * If userid is null we are attempting anonymous browse login
385 * so passwords must be zero length.
389 mb_put_uint8(mbp, 0xff);
390 mb_put_uint8(mbp, 0);
391 mb_put_uint16le(mbp, 0);
392 mb_put_uint16le(mbp, vcp->vc_sopt.sv_maxtx);
393 mb_put_uint16le(mbp, vcp->vc_sopt.sv_maxmux);
394 mb_put_uint16le(mbp, vcp->vc_number);
395 mb_put_uint32le(mbp, vcp->vc_sopt.sv_skey);
396 mb_put_uint16le(mbp, plen);
397 if (SMB_DIALECT(vcp) < SMB_DIALECT_NTLM0_12) {
398 mb_put_uint32le(mbp, 0);
401 mb_put_mem(mbp, pp, plen, MB_MSYSTEM);
402 smb_put_dstring(mbp, vcp, up, SMB_CS_NONE);
404 mb_put_uint16le(mbp, uniplen);
405 mb_put_uint32le(mbp, 0); /* reserved */
406 mb_put_uint32le(mbp, caps);
409 mb_put_mem(mbp, pp, plen, MB_MSYSTEM);
410 mb_put_mem(mbp, (caddr_t)unipp, uniplen, MB_MSYSTEM);
411 smb_put_dstring(mbp, vcp, up, SMB_CS_NONE); /* AccountName */
412 smb_put_dstring(mbp, vcp, vcp->vc_domain, SMB_CS_NONE); /* PrimaryDomain */
413 smb_put_dstring(mbp, vcp, "FreeBSD", SMB_CS_NONE); /* Client's OS */
414 smb_put_dstring(mbp, vcp, "NETSMB", SMB_CS_NONE); /* Client name */
418 free(ntencpass, M_SMBTEMP);
419 if (vcp->vc_hflags2 & SMB_FLAGS2_SECURITY_SIGNATURE)
421 error = smb_rq_simple(rqp);
422 SMBSDEBUG("%d\n", error);
424 if (rqp->sr_errclass == ERRDOS && rqp->sr_serror == ERRnoaccess)
428 vcp->vc_smbuid = rqp->sr_rpuid;
430 free(encpass, M_SMBTEMP);
431 free(pbuf, M_SMBTEMP);
433 if (error && upper == 1 && vcp->vc_sopt.sv_sm & SMB_SM_USER)
439 smb_smb_ssnclose(struct smb_vc *vcp, struct smb_cred *scred)
445 if (vcp->vc_smbuid == SMB_UID_UNKNOWN)
448 if (smb_smb_nomux(vcp, scred, __func__) != 0)
451 error = smb_rq_alloc(VCTOCP(vcp), SMB_COM_LOGOFF_ANDX, scred, &rqp);
456 mb_put_uint8(mbp, 0xff);
457 mb_put_uint8(mbp, 0);
458 mb_put_uint16le(mbp, 0);
462 error = smb_rq_simple(rqp);
463 SMBSDEBUG("%d\n", error);
468 static char smb_any_share[] = "?????";
471 smb_share_typename(int stype)
480 pp = smb_any_share; /* can't use LPT: here... */
497 smb_smb_treeconnect(struct smb_share *ssp, struct smb_cred *scred)
500 struct smb_rq rq, *rqp = &rq;
502 char *pp, *pbuf, *encpass;
503 int error, plen, caseopt, upper;
508 /* Disable Unicode for SMB_COM_TREE_CONNECT_ANDX requests */
509 if (SSTOVC(ssp)->vc_hflags2 & SMB_FLAGS2_UNICODE) {
511 vcp->vc_toserver = vcp->vc_cp_toserver;
512 vcp->vc_tolocal = vcp->vc_cp_tolocal;
513 vcp->vc_hflags2 &= ~SMB_FLAGS2_UNICODE;
516 ssp->ss_tid = SMB_TID_UNKNOWN;
517 error = smb_rq_alloc(SSTOCP(ssp), SMB_COM_TREE_CONNECT_ANDX, scred, &rqp);
521 caseopt = SMB_CS_NONE;
522 if (vcp->vc_sopt.sv_sm & SMB_SM_USER) {
528 pbuf = malloc(SMB_MAXPASSWORDLEN + 1, M_SMBTEMP, M_WAITOK);
529 encpass = malloc(24, M_SMBTEMP, M_WAITOK);
531 * We try w/o uppercasing first so Samba mixed case
532 * passwords work. If that fails we come back and try
533 * uppercasing to satisfy OS/2 and Windows for Workgroups.
536 iconv_convstr(vcp->vc_toupper, pbuf,
537 smb_share_getpass(ssp)/*,
538 SMB_MAXPASSWORDLEN*/);
540 strncpy(pbuf, smb_share_getpass(ssp),
542 pbuf[SMB_MAXPASSWORDLEN] = '\0';
544 if (vcp->vc_sopt.sv_sm & SMB_SM_ENCRYPT) {
546 smb_encrypt(pbuf, vcp->vc_ch, encpass);
549 plen = strlen(pbuf) + 1;
555 mb_put_uint8(mbp, 0xff);
556 mb_put_uint8(mbp, 0);
557 mb_put_uint16le(mbp, 0);
558 mb_put_uint16le(mbp, 0); /* Flags */
559 mb_put_uint16le(mbp, plen);
562 mb_put_mem(mbp, pp, plen, MB_MSYSTEM);
563 smb_put_dmem(mbp, vcp, "\\\\", 2, caseopt);
564 pp = vcp->vc_srvname;
565 smb_put_dmem(mbp, vcp, pp, strlen(pp), caseopt);
566 smb_put_dmem(mbp, vcp, "\\", 1, caseopt);
568 smb_put_dstring(mbp, vcp, pp, caseopt);
569 pp = smb_share_typename(ssp->ss_type);
570 smb_put_dstring(mbp, vcp, pp, caseopt);
572 error = smb_rq_simple(rqp);
573 SMBSDEBUG("%d\n", error);
576 ssp->ss_tid = rqp->sr_rptid;
577 ssp->ss_vcgenid = vcp->vc_genid;
578 ssp->ss_flags |= SMBS_CONNECTED;
580 * If the server can speak Unicode then switch
581 * our converters to do Unicode <--> Local
583 if (vcp->obj.co_flags & SMBV_UNICODE) {
584 vcp->vc_toserver = vcp->vc_ucs_toserver;
585 vcp->vc_tolocal = vcp->vc_ucs_tolocal;
586 vcp->vc_hflags2 |= SMB_FLAGS2_UNICODE;
590 free(encpass, M_SMBTEMP);
592 free(pbuf, M_SMBTEMP);
594 if (error && upper == 1)
600 smb_smb_treedisconnect(struct smb_share *ssp, struct smb_cred *scred)
606 if (ssp->ss_tid == SMB_TID_UNKNOWN)
608 error = smb_rq_alloc(SSTOCP(ssp), SMB_COM_TREE_DISCONNECT, scred, &rqp);
616 error = smb_rq_simple(rqp);
617 SMBSDEBUG("%d\n", error);
619 ssp->ss_tid = SMB_TID_UNKNOWN;
624 smb_smb_readx(struct smb_share *ssp, u_int16_t fid, int *len, int *rresid,
625 struct uio *uio, struct smb_cred *scred)
632 u_int16_t residhi, residlo, off, doff;
635 error = smb_rq_alloc(SSTOCP(ssp), SMB_COM_READ_ANDX, scred, &rqp);
638 smb_rq_getrequest(rqp, &mbp);
640 mb_put_uint8(mbp, 0xff); /* no secondary command */
641 mb_put_uint8(mbp, 0); /* MBZ */
642 mb_put_uint16le(mbp, 0); /* offset to secondary */
643 mb_put_mem(mbp, (caddr_t)&fid, sizeof(fid), MB_MSYSTEM);
644 mb_put_uint32le(mbp, uio->uio_offset);
645 *len = min(SSTOVC(ssp)->vc_rxmax, *len);
646 mb_put_uint16le(mbp, *len); /* MaxCount */
647 mb_put_uint16le(mbp, *len); /* MinCount (only indicates blocking) */
648 mb_put_uint32le(mbp, (unsigned)*len >> 16); /* MaxCountHigh */
649 mb_put_uint16le(mbp, *len); /* Remaining ("obsolete") */
650 mb_put_uint32le(mbp, uio->uio_offset >> 32); /* OffsetHigh */
655 error = smb_rq_simple(rqp);
658 smb_rq_getreply(rqp, &mdp);
660 md_get_uint8(mdp, &wc);
666 md_get_uint8(mdp, NULL);
668 md_get_uint8(mdp, NULL);
670 md_get_uint16le(mdp, NULL);
672 md_get_uint16le(mdp, NULL);
674 md_get_uint16le(mdp, NULL); /* data compaction mode */
676 md_get_uint16le(mdp, NULL);
678 md_get_uint16le(mdp, &residlo);
680 md_get_uint16le(mdp, &doff); /* data offset */
682 md_get_uint16le(mdp, &residhi);
684 resid = (residhi << 16) | residlo;
685 md_get_mem(mdp, NULL, 4 * 2, MB_MSYSTEM);
687 md_get_uint16le(mdp, NULL); /* ByteCount */
689 if (doff > off) /* pad byte(s)? */
690 md_get_mem(mdp, NULL, doff - off, MB_MSYSTEM);
695 error = md_get_uio(mdp, uio, resid);
705 smb_smb_writex(struct smb_share *ssp, u_int16_t fid, int *len, int *rresid,
706 struct uio *uio, struct smb_cred *scred)
715 error = smb_rq_alloc(SSTOCP(ssp), SMB_COM_WRITE_ANDX, scred, &rqp);
718 smb_rq_getrequest(rqp, &mbp);
720 mb_put_uint8(mbp, 0xff); /* no secondary command */
721 mb_put_uint8(mbp, 0); /* MBZ */
722 mb_put_uint16le(mbp, 0); /* offset to secondary */
723 mb_put_mem(mbp, (caddr_t)&fid, sizeof(fid), MB_MSYSTEM);
724 mb_put_uint32le(mbp, uio->uio_offset);
725 mb_put_uint32le(mbp, 0); /* MBZ (timeout) */
726 mb_put_uint16le(mbp, 0); /* !write-thru */
727 mb_put_uint16le(mbp, 0);
728 *len = min(SSTOVC(ssp)->vc_wxmax, *len);
729 mb_put_uint16le(mbp, (unsigned)*len >> 16);
730 mb_put_uint16le(mbp, *len);
731 mb_put_uint16le(mbp, 64); /* data offset from header start */
732 mb_put_uint32le(mbp, uio->uio_offset >> 32); /* OffsetHigh */
736 mb_put_uint8(mbp, 0xee); /* mimic xp pad byte! */
737 error = mb_put_uio(mbp, uio, *len);
741 error = smb_rq_simple(rqp);
744 smb_rq_getreply(rqp, &mdp);
745 md_get_uint8(mdp, &wc);
750 md_get_uint8(mdp, NULL);
751 md_get_uint8(mdp, NULL);
752 md_get_uint16le(mdp, NULL);
753 md_get_uint16le(mdp, &resid);
762 smb_smb_read(struct smb_share *ssp, u_int16_t fid,
763 int *len, int *rresid, struct uio *uio, struct smb_cred *scred)
770 int error, rlen, blksz;
772 if (SSTOVC(ssp)->vc_sopt.sv_caps & SMB_CAP_LARGE_READX)
773 return (smb_smb_readx(ssp, fid, len, rresid, uio, scred));
775 error = smb_rq_alloc(SSTOCP(ssp), SMB_COM_READ, scred, &rqp);
779 blksz = SSTOVC(ssp)->vc_txmax - SMB_HDRLEN - 16;
780 rlen = *len = min(blksz, *len);
782 smb_rq_getrequest(rqp, &mbp);
784 mb_put_mem(mbp, (caddr_t)&fid, sizeof(fid), MB_MSYSTEM);
785 mb_put_uint16le(mbp, rlen);
786 mb_put_uint32le(mbp, uio->uio_offset);
787 mb_put_uint16le(mbp, min(uio->uio_resid, 0xffff));
792 error = smb_rq_simple(rqp);
795 smb_rq_getreply(rqp, &mdp);
796 md_get_uint8(mdp, &wc);
801 md_get_uint16le(mdp, &resid);
802 md_get_mem(mdp, NULL, 4 * 2, MB_MSYSTEM);
803 md_get_uint16le(mdp, &bc);
804 md_get_uint8(mdp, NULL); /* ignore buffer type */
805 md_get_uint16le(mdp, &resid);
810 error = md_get_uio(mdp, uio, resid);
820 smb_read(struct smb_share *ssp, u_int16_t fid, struct uio *uio,
821 struct smb_cred *scred)
823 int tsize, len, resid;
826 tsize = uio->uio_resid;
830 error = smb_smb_read(ssp, fid, &len, &resid, uio, scred);
841 smb_smb_write(struct smb_share *ssp, u_int16_t fid, int *len, int *rresid,
842 struct uio *uio, struct smb_cred *scred)
851 if (*len && SSTOVC(ssp)->vc_sopt.sv_caps & SMB_CAP_LARGE_WRITEX)
852 return (smb_smb_writex(ssp, fid, len, rresid, uio, scred));
854 blksz = SSTOVC(ssp)->vc_txmax - SMB_HDRLEN - 16;
858 resid = *len = min(blksz, *len);
860 error = smb_rq_alloc(SSTOCP(ssp), SMB_COM_WRITE, scred, &rqp);
863 smb_rq_getrequest(rqp, &mbp);
865 mb_put_mem(mbp, (caddr_t)&fid, sizeof(fid), MB_MSYSTEM);
866 mb_put_uint16le(mbp, resid);
867 mb_put_uint32le(mbp, uio->uio_offset);
868 mb_put_uint16le(mbp, min(uio->uio_resid, 0xffff));
871 mb_put_uint8(mbp, SMB_DT_DATA);
872 mb_put_uint16le(mbp, resid);
874 error = mb_put_uio(mbp, uio, resid);
878 error = smb_rq_simple(rqp);
881 smb_rq_getreply(rqp, &mdp);
882 md_get_uint8(mdp, &wc);
887 md_get_uint16le(mdp, &resid);
895 smb_write(struct smb_share *ssp, u_int16_t fid, struct uio *uio,
896 struct smb_cred *scred)
898 int error = 0, len, tsize, resid;
901 tsize = uio->uio_resid;
906 error = smb_smb_write(ssp, fid, &len, &resid, uio, scred);
917 * Errors can happen on the copyin, the rpc, etc. So they
918 * imply resid is unreliable. The only safe thing is
919 * to pretend zero bytes made it. We needn't restore the
920 * iovs because callers don't depend on them in error
921 * paths - uio_resid and uio_offset are what matter.
929 smb_smb_echo(struct smb_vc *vcp, struct smb_cred *scred)
935 error = smb_rq_alloc(VCTOCP(vcp), SMB_COM_ECHO, scred, &rqp);
940 mb_put_uint16le(mbp, 1);
943 mb_put_uint32le(mbp, 0);
945 error = smb_rq_simple(rqp);
946 SMBSDEBUG("%d\n", error);