smb_smb.c revision 39f633a09e54fab2b9cf8d9d3ddc2a043b3e7465
4bff34e37def8a90f9194d81bc345c52ba20086athurlow * Copyright (c) 2000-2001 Boris Popov
4bff34e37def8a90f9194d81bc345c52ba20086athurlow * All rights reserved.
4bff34e37def8a90f9194d81bc345c52ba20086athurlow * Redistribution and use in source and binary forms, with or without
4bff34e37def8a90f9194d81bc345c52ba20086athurlow * modification, are permitted provided that the following conditions
4bff34e37def8a90f9194d81bc345c52ba20086athurlow * 1. Redistributions of source code must retain the above copyright
4bff34e37def8a90f9194d81bc345c52ba20086athurlow * notice, this list of conditions and the following disclaimer.
4bff34e37def8a90f9194d81bc345c52ba20086athurlow * 2. Redistributions in binary form must reproduce the above copyright
4bff34e37def8a90f9194d81bc345c52ba20086athurlow * notice, this list of conditions and the following disclaimer in the
4bff34e37def8a90f9194d81bc345c52ba20086athurlow * documentation and/or other materials provided with the distribution.
4bff34e37def8a90f9194d81bc345c52ba20086athurlow * 3. All advertising materials mentioning features or use of this software
4bff34e37def8a90f9194d81bc345c52ba20086athurlow * must display the following acknowledgement:
4bff34e37def8a90f9194d81bc345c52ba20086athurlow * This product includes software developed by Boris Popov.
4bff34e37def8a90f9194d81bc345c52ba20086athurlow * 4. Neither the name of the author nor the names of any co-contributors
4bff34e37def8a90f9194d81bc345c52ba20086athurlow * may be used to endorse or promote products derived from this software
4bff34e37def8a90f9194d81bc345c52ba20086athurlow * without specific prior written permission.
4bff34e37def8a90f9194d81bc345c52ba20086athurlow * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
4bff34e37def8a90f9194d81bc345c52ba20086athurlow * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
4bff34e37def8a90f9194d81bc345c52ba20086athurlow * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
4bff34e37def8a90f9194d81bc345c52ba20086athurlow * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
4bff34e37def8a90f9194d81bc345c52ba20086athurlow * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
4bff34e37def8a90f9194d81bc345c52ba20086athurlow * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
4bff34e37def8a90f9194d81bc345c52ba20086athurlow * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
4bff34e37def8a90f9194d81bc345c52ba20086athurlow * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
4bff34e37def8a90f9194d81bc345c52ba20086athurlow * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
4bff34e37def8a90f9194d81bc345c52ba20086athurlow * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
4bff34e37def8a90f9194d81bc345c52ba20086athurlow * SUCH DAMAGE.
4bff34e37def8a90f9194d81bc345c52ba20086athurlow * $Id: smb_smb.c,v 1.35.100.2 2005/06/02 00:55:39 lindak Exp $
39f633a09e54fab2b9cf8d9d3ddc2a043b3e7465Bayard Bell * Copyright 2012 Nexenta Systems, Inc. All rights reserved.
ae3d7f90695ef456a6da4f7bdccd448ebe0b99e1Gordon Ross * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
4bff34e37def8a90f9194d81bc345c52ba20086athurlow * various SMB requests. Most of the routines merely packs data into mbufs.
4bff34e37def8a90f9194d81bc345c52ba20086athurlow * Largest size to use with LARGE_READ/LARGE_WRITE.
4bff34e37def8a90f9194d81bc345c52ba20086athurlow * Specs say up to 64k data bytes, but Windows traffic
4bff34e37def8a90f9194d81bc345c52ba20086athurlow * uses 60k... no doubt for some good reason.
4bff34e37def8a90f9194d81bc345c52ba20086athurlow * (Probably to keep 4k block alignment.)
4bff34e37def8a90f9194d81bc345c52ba20086athurlow * XXX: Move to smb.h maybe?
4bff34e37def8a90f9194d81bc345c52ba20086athurlow * Default timeout values, all in seconds.
4bff34e37def8a90f9194d81bc345c52ba20086athurlow * Make these tunable (only via mdb for now).
02d09e03eb27f3a2dc299de704e45dae5173f43fGordon Rossstatic int smb_smb_read(struct smb_share *ssp, uint16_t fid,
9c9af2590af49bb395bc8d2eace0f2d4ea16d165Gordon Ross uint32_t *lenp, uio_t *uiop, smb_cred_t *scred, int timo);
02d09e03eb27f3a2dc299de704e45dae5173f43fGordon Rossstatic int smb_smb_write(struct smb_share *ssp, uint16_t fid,
9c9af2590af49bb395bc8d2eace0f2d4ea16d165Gordon Ross uint32_t *lenp, uio_t *uiop, smb_cred_t *scred, int timo);
02d09e03eb27f3a2dc299de704e45dae5173f43fGordon Rossstatic int smb_smb_readx(struct smb_share *ssp, uint16_t fid,
9c9af2590af49bb395bc8d2eace0f2d4ea16d165Gordon Ross uint32_t *lenp, uio_t *uiop, smb_cred_t *scred, int timo);
02d09e03eb27f3a2dc299de704e45dae5173f43fGordon Rossstatic int smb_smb_writex(struct smb_share *ssp, uint16_t fid,
9c9af2590af49bb395bc8d2eace0f2d4ea16d165Gordon Ross uint32_t *lenp, uio_t *uiop, smb_cred_t *scred, int timo);
430b4c467020edf2445feb0c21db01c88b86243aGordon Ross * Get the string representation of a share "use" type,
430b4c467020edf2445feb0c21db01c88b86243aGordon Ross * as needed for the "service" in tree connect.
430b4c467020edf2445feb0c21db01c88b86243aGordon Rossstatic const char *
430b4c467020edf2445feb0c21db01c88b86243aGordon Ross const char *p;
430b4c467020edf2445feb0c21db01c88b86243aGordon Ross p = "LPT1:";
430b4c467020edf2445feb0c21db01c88b86243aGordon Ross p = "?????";
430b4c467020edf2445feb0c21db01c88b86243aGordon Ross * Parse a share type name (inverse of above)
613a2f6ba31e891e3d947a356daf5e563d43c1ceGordon Rosssmb_smb_treeconnect(struct smb_share *ssp, struct smb_cred *scred)
430b4c467020edf2445feb0c21db01c88b86243aGordon Ross const char *tname;
613a2f6ba31e891e3d947a356daf5e563d43c1ceGordon Ross * Make this a "VC-level" request, so it will have
613a2f6ba31e891e3d947a356daf5e563d43c1ceGordon Ross * rqp->sr_share == NULL, and smb_iod_sendrq()
613a2f6ba31e891e3d947a356daf5e563d43c1ceGordon Ross * will send it with TID = SMB_TID_UNKNOWN
613a2f6ba31e891e3d947a356daf5e563d43c1ceGordon Ross * This also serves to bypass the wait for
613a2f6ba31e891e3d947a356daf5e563d43c1ceGordon Ross * share state changes, which this call is
613a2f6ba31e891e3d947a356daf5e563d43c1ceGordon Ross * trying to carry out.
613a2f6ba31e891e3d947a356daf5e563d43c1ceGordon Ross error = smb_rq_alloc(VCTOCP(vcp), SMB_COM_TREE_CONNECT_ANDX,
613a2f6ba31e891e3d947a356daf5e563d43c1ceGordon Ross * Build the UNC name, i.e. "//server/share"
613a2f6ba31e891e3d947a356daf5e563d43c1ceGordon Ross * but with backslashes of course.
613a2f6ba31e891e3d947a356daf5e563d43c1ceGordon Ross * size math: three slashes, one null.
613a2f6ba31e891e3d947a356daf5e563d43c1ceGordon Ross unc_len = 4 + strlen(vcp->vc_srvname) + strlen(ssp->ss_name);
02d09e03eb27f3a2dc299de704e45dae5173f43fGordon Ross (void) snprintf(unc_name, unc_len, "\\\\%s\\%s",
430b4c467020edf2445feb0c21db01c88b86243aGordon Ross * Share-level password (pre-computed in user-space)
430b4c467020edf2445feb0c21db01c88b86243aGordon Ross * MS-SMB 2.2.6 says this should be null terminated,
430b4c467020edf2445feb0c21db01c88b86243aGordon Ross * and the pw length includes the null.
613a2f6ba31e891e3d947a356daf5e563d43c1ceGordon Ross * Build the request.
613a2f6ba31e891e3d947a356daf5e563d43c1ceGordon Ross /* Tree connect password, if any */
613a2f6ba31e891e3d947a356daf5e563d43c1ceGordon Ross error = mb_put_mem(mbp, pbuf, plen, MB_MSYSTEM);
613a2f6ba31e891e3d947a356daf5e563d43c1ceGordon Ross /* UNC resource name */
613a2f6ba31e891e3d947a356daf5e563d43c1ceGordon Ross error = smb_put_dstring(mbp, vcp, unc_name, SMB_CS_NONE);
613a2f6ba31e891e3d947a356daf5e563d43c1ceGordon Ross * Put the type string (always ASCII),
613a2f6ba31e891e3d947a356daf5e563d43c1ceGordon Ross * including the null.
430b4c467020edf2445feb0c21db01c88b86243aGordon Ross error = mb_put_mem(mbp, tname, tlen, MB_MSYSTEM);
613a2f6ba31e891e3d947a356daf5e563d43c1ceGordon Ross * Run the request.
613a2f6ba31e891e3d947a356daf5e563d43c1ceGordon Ross * Using NOINTR_RECV because we don't want to risk
613a2f6ba31e891e3d947a356daf5e563d43c1ceGordon Ross * missing a successful tree connect response,
613a2f6ba31e891e3d947a356daf5e563d43c1ceGordon Ross * which would "leak" Tree IDs.
ae3d7f90695ef456a6da4f7bdccd448ebe0b99e1Gordon Ross * If we get the server name wrong, i.e. due to
ae3d7f90695ef456a6da4f7bdccd448ebe0b99e1Gordon Ross * mis-configured name services, this will be
ae3d7f90695ef456a6da4f7bdccd448ebe0b99e1Gordon Ross * NT_STATUS_DUPLICATE_NAME. Log this error.
613a2f6ba31e891e3d947a356daf5e563d43c1ceGordon Ross * Parse the TCON response
02d09e03eb27f3a2dc299de704e45dae5173f43fGordon Ross md_get_uint16le(mdp, &options); /* option bits (DFS, search) */
ae3d7f90695ef456a6da4f7bdccd448ebe0b99e1Gordon Ross md_get_uint32le(mdp, NULL); /* MaximalShareAccessRights */
ae3d7f90695ef456a6da4f7bdccd448ebe0b99e1Gordon Ross md_get_uint32le(mdp, NULL); /* GuestMaximalShareAcc... */
02d09e03eb27f3a2dc299de704e45dae5173f43fGordon Ross error = md_get_uint16le(mdp, &bcnt); /* byte count */
430b4c467020edf2445feb0c21db01c88b86243aGordon Ross * Get the returned share type string, i.e. "IPC" or whatever.
430b4c467020edf2445feb0c21db01c88b86243aGordon Ross * (See smb_share_typename, smb_share_parsetype). If we get
430b4c467020edf2445feb0c21db01c88b86243aGordon Ross * an error reading the type, just say STYPE_UNKNOWN.
4bff34e37def8a90f9194d81bc345c52ba20086athurlow /* Success! */
4bff34e37def8a90f9194d81bc345c52ba20086athurlowsmb_smb_treedisconnect(struct smb_share *ssp, struct smb_cred *scred)
4bff34e37def8a90f9194d81bc345c52ba20086athurlow return (0);
4bff34e37def8a90f9194d81bc345c52ba20086athurlow * Build this as a "VC-level" request, so it will
4bff34e37def8a90f9194d81bc345c52ba20086athurlow * avoid testing the _GONE flag on the share,
4bff34e37def8a90f9194d81bc345c52ba20086athurlow * which has already been set at this point.
4bff34e37def8a90f9194d81bc345c52ba20086athurlow * Add the share pointer "by hand" below, so
4bff34e37def8a90f9194d81bc345c52ba20086athurlow * smb_iod_sendrq will plug in the TID.
4bff34e37def8a90f9194d81bc345c52ba20086athurlow error = smb_rq_alloc(VCTOCP(vcp), SMB_COM_TREE_DISCONNECT, scred, &rqp);
4bff34e37def8a90f9194d81bc345c52ba20086athurlow * Run this with a relatively short timeout. (5 sec.)
4bff34e37def8a90f9194d81bc345c52ba20086athurlow * We don't really care about the result here, but we
4bff34e37def8a90f9194d81bc345c52ba20086athurlow * do need to make sure we send this out, or we could
4bff34e37def8a90f9194d81bc345c52ba20086athurlow * "leak" active tree IDs on interrupt or timeout.
4bff34e37def8a90f9194d81bc345c52ba20086athurlow * The NOINTR_SEND flag makes this request immune to
4bff34e37def8a90f9194d81bc345c52ba20086athurlow * interrupt or timeout until the send is done.
613a2f6ba31e891e3d947a356daf5e563d43c1ceGordon Ross * Also, don't reconnect for this, of course!
613a2f6ba31e891e3d947a356daf5e563d43c1ceGordon Ross rqp->sr_flags |= (SMBR_NOINTR_SEND | SMBR_NORECONNECT);
430b4c467020edf2445feb0c21db01c88b86243aGordon Ross * Modern create/open of file or directory.
430b4c467020edf2445feb0c21db01c88b86243aGordon Ross uint32_t efa, /* ext. file attrs (DOS attr +) */
430b4c467020edf2445feb0c21db01c88b86243aGordon Ross uint32_t impersonate, /* NTCREATEX_IMPERSONATION_... */
430b4c467020edf2445feb0c21db01c88b86243aGordon Ross uint32_t *cr_act_p, /* optional create action */
430b4c467020edf2445feb0c21db01c88b86243aGordon Ross error = smb_rq_init(rqp, SSTOCP(ssp), SMB_COM_NT_CREATE_ANDX, scrp);
430b4c467020edf2445feb0c21db01c88b86243aGordon Ross /* Word parameters */
430b4c467020edf2445feb0c21db01c88b86243aGordon Ross mb_put_uint8(mbp, 0xff); /* secondary command */
430b4c467020edf2445feb0c21db01c88b86243aGordon Ross mb_put_uint16le(mbp, 0); /* offset to next command (none) */
430b4c467020edf2445feb0c21db01c88b86243aGordon Ross mb_put_uint32le(mbp, cr_flags); /* NTCREATEX_FLAGS_* */
430b4c467020edf2445feb0c21db01c88b86243aGordon Ross mb_put_uint32le(mbp, 0); /* FID - basis for path if not root */
430b4c467020edf2445feb0c21db01c88b86243aGordon Ross mb_put_uint64le(mbp, 0); /* "initial allocation size" */
430b4c467020edf2445feb0c21db01c88b86243aGordon Ross * Byte parameters: Just the path name, aligned.
430b4c467020edf2445feb0c21db01c88b86243aGordon Ross * Note: mb_put_mbuf consumes mb_top, so clear it.
430b4c467020edf2445feb0c21db01c88b86243aGordon Ross * Don't want to risk missing a successful
430b4c467020edf2445feb0c21db01c88b86243aGordon Ross * open response, or we could "leak" FIDs.
430b4c467020edf2445feb0c21db01c88b86243aGordon Ross error = smb_rq_simple_timed(rqp, smb_timo_open);
430b4c467020edf2445feb0c21db01c88b86243aGordon Ross * spec says 26 for word count, but 34 words are defined
430b4c467020edf2445feb0c21db01c88b86243aGordon Ross * and observed from win2000
430b4c467020edf2445feb0c21db01c88b86243aGordon Ross md_get_uint8(mdp, NULL); /* oplock lvl granted */
430b4c467020edf2445feb0c21db01c88b86243aGordon Ross md_get_uint32le(mdp, &createact); /* create_action */
430b4c467020edf2445feb0c21db01c88b86243aGordon Ross md_get_uint64le(mdp, &llongint); /* creation time */
430b4c467020edf2445feb0c21db01c88b86243aGordon Ross md_get_uint64le(mdp, &llongint); /* access time */
430b4c467020edf2445feb0c21db01c88b86243aGordon Ross md_get_uint64le(mdp, &llongint); /* write time */
430b4c467020edf2445feb0c21db01c88b86243aGordon Ross md_get_uint64le(mdp, &llongint); /* change time */
430b4c467020edf2445feb0c21db01c88b86243aGordon Ross md_get_uint32le(mdp, &longint); /* attributes */
430b4c467020edf2445feb0c21db01c88b86243aGordon Ross md_get_uint64le(mdp, &llongint); /* allocation size */
430b4c467020edf2445feb0c21db01c88b86243aGordon Ross md_get_uint64le(mdp, &llongint); /* EOF position */
430b4c467020edf2445feb0c21db01c88b86243aGordon Ross error = md_get_uint16le(mdp, NULL); /* file type */
430b4c467020edf2445feb0c21db01c88b86243aGordon Ross /* other stuff we don't care about */
430b4c467020edf2445feb0c21db01c88b86243aGordon Rosssmb_smb_close(struct smb_share *ssp, uint16_t fid, struct timespec *mtime,
430b4c467020edf2445feb0c21db01c88b86243aGordon Ross error = smb_rq_init(rqp, SSTOCP(ssp), SMB_COM_CLOSE, scrp);
39f633a09e54fab2b9cf8d9d3ddc2a043b3e7465Bayard Bell /* Make sure we send, but only if already connected */
39f633a09e54fab2b9cf8d9d3ddc2a043b3e7465Bayard Bell rqp->sr_flags |= (SMBR_NOINTR_SEND | SMBR_NORECONNECT);
430b4c467020edf2445feb0c21db01c88b86243aGordon Ross error = smb_rq_init(rqp, SSTOCP(ssp), SMB_COM_OPEN_PRINT_FILE, scrp);
430b4c467020edf2445feb0c21db01c88b86243aGordon Ross /* Word parameters */
430b4c467020edf2445feb0c21db01c88b86243aGordon Ross * Byte parameters: Just the title
430b4c467020edf2445feb0c21db01c88b86243aGordon Ross error = smb_put_dstring(mbp, vcp, title, SMB_CS_NONE);
430b4c467020edf2445feb0c21db01c88b86243aGordon Ross * Don't want to risk missing a successful
430b4c467020edf2445feb0c21db01c88b86243aGordon Ross * open response, or we could "leak" FIDs.
430b4c467020edf2445feb0c21db01c88b86243aGordon Ross error = smb_rq_simple_timed(rqp, smb_timo_open);
430b4c467020edf2445feb0c21db01c88b86243aGordon Ross * Like smb_smb_close, but for print shares.
430b4c467020edf2445feb0c21db01c88b86243aGordon Rosssmb_smb_close_prjob(struct smb_share *ssp, uint16_t fid,
39f633a09e54fab2b9cf8d9d3ddc2a043b3e7465Bayard Bell /* Make sure we send but only if already connected */
39f633a09e54fab2b9cf8d9d3ddc2a043b3e7465Bayard Bell rqp->sr_flags |= (SMBR_NOINTR_SEND | SMBR_NORECONNECT);
9c9af2590af49bb395bc8d2eace0f2d4ea16d165Gordon Ross * Common function for read/write with UIO.
9c9af2590af49bb395bc8d2eace0f2d4ea16d165Gordon Ross * Called by netsmb smb_usr_rw,
9c9af2590af49bb395bc8d2eace0f2d4ea16d165Gordon Ross * smbfs_readvnode, smbfs_writevnode
9c9af2590af49bb395bc8d2eace0f2d4ea16d165Gordon Rosssmb_rwuio(struct smb_share *ssp, uint16_t fid, uio_rw_t rw,
9c9af2590af49bb395bc8d2eace0f2d4ea16d165Gordon Ross int (*iofun)(struct smb_share *, uint16_t, uint32_t *,
9c9af2590af49bb395bc8d2eace0f2d4ea16d165Gordon Ross * Determine which function to use,
9c9af2590af49bb395bc8d2eace0f2d4ea16d165Gordon Ross * and the transfer size per call.
9c9af2590af49bb395bc8d2eace0f2d4ea16d165Gordon Ross * Using NT LM 0.12, so readx, writex.
9c9af2590af49bb395bc8d2eace0f2d4ea16d165Gordon Ross * Make sure we can represent the offset.
9c9af2590af49bb395bc8d2eace0f2d4ea16d165Gordon Ross if ((vcp->vc_sopt.sv_caps & SMB_CAP_LARGE_FILES) == 0 &&
9c9af2590af49bb395bc8d2eace0f2d4ea16d165Gordon Ross (uiop->uio_loffset + uiop->uio_resid) > UINT32_MAX)
9c9af2590af49bb395bc8d2eace0f2d4ea16d165Gordon Ross } else { /* UIO_WRITE */
9c9af2590af49bb395bc8d2eace0f2d4ea16d165Gordon Ross if (vcp->vc_sopt.sv_caps & SMB_CAP_LARGE_WRITEX)
9c9af2590af49bb395bc8d2eace0f2d4ea16d165Gordon Ross * Using the old SMB_READ and SMB_WRITE so
9c9af2590af49bb395bc8d2eace0f2d4ea16d165Gordon Ross * we're limited to 32-bit offsets, etc.
9c9af2590af49bb395bc8d2eace0f2d4ea16d165Gordon Ross * XXX: Someday, punt the old dialects.
9c9af2590af49bb395bc8d2eace0f2d4ea16d165Gordon Ross if ((uiop->uio_loffset + uiop->uio_resid) > UINT32_MAX)
9c9af2590af49bb395bc8d2eace0f2d4ea16d165Gordon Ross } else { /* UIO_WRITE */
9c9af2590af49bb395bc8d2eace0f2d4ea16d165Gordon Ross /* Lint: uio_resid may be 64-bits */
9c9af2590af49bb395bc8d2eace0f2d4ea16d165Gordon Ross rlen = len = (uint32_t)min(maxlen, uiop->uio_resid);
9c9af2590af49bb395bc8d2eace0f2d4ea16d165Gordon Ross error = (*iofun)(ssp, fid, &rlen, uiop, scred, timo);
9c9af2590af49bb395bc8d2eace0f2d4ea16d165Gordon Ross * Note: the iofun called uio_update, so
9c9af2590af49bb395bc8d2eace0f2d4ea16d165Gordon Ross * not doing that here as one might expect.
9c9af2590af49bb395bc8d2eace0f2d4ea16d165Gordon Ross * Quit the loop either on error, or if we
9c9af2590af49bb395bc8d2eace0f2d4ea16d165Gordon Ross * transferred less then requested.
9c9af2590af49bb395bc8d2eace0f2d4ea16d165Gordon Ross * Stopped on an error after having
9c9af2590af49bb395bc8d2eace0f2d4ea16d165Gordon Ross * successfully transferred data.
9c9af2590af49bb395bc8d2eace0f2d4ea16d165Gordon Ross * Suppress this error.
9c9af2590af49bb395bc8d2eace0f2d4ea16d165Gordon Rosssmb_smb_readx(struct smb_share *ssp, uint16_t fid, uint32_t *lenp,
4bff34e37def8a90f9194d81bc345c52ba20086athurlow error = smb_rq_alloc(SSTOCP(ssp), SMB_COM_READ_ANDX, scred, &rqp);
9c9af2590af49bb395bc8d2eace0f2d4ea16d165Gordon Ross mb_put_uint32le(mbp, offlo); /* offset (low part) */
9c9af2590af49bb395bc8d2eace0f2d4ea16d165Gordon Ross /* (only indicates blocking) */
9c9af2590af49bb395bc8d2eace0f2d4ea16d165Gordon Ross mb_put_uint16le(mbp, lenlo); /* Remaining ("obsolete") */
9c9af2590af49bb395bc8d2eace0f2d4ea16d165Gordon Ross mb_put_uint32le(mbp, offhi); /* offset (high part) */
02d09e03eb27f3a2dc299de704e45dae5173f43fGordon Ross md_get_uint16le(mdp, NULL); /* data compaction mode */
02d09e03eb27f3a2dc299de704e45dae5173f43fGordon Ross md_get_uint16le(mdp, &lenlo); /* data len ret. */
02d09e03eb27f3a2dc299de704e45dae5173f43fGordon Ross error = md_get_uint16le(mdp, NULL); /* ByteCount */
02d09e03eb27f3a2dc299de704e45dae5173f43fGordon Ross * Does the data offset indicate padding?
02d09e03eb27f3a2dc299de704e45dae5173f43fGordon Ross * The current offset is a constant, found
02d09e03eb27f3a2dc299de704e45dae5173f43fGordon Ross * by counting the md_get_ calls above.
02d09e03eb27f3a2dc299de704e45dae5173f43fGordon Ross /* paranoid */
02d09e03eb27f3a2dc299de704e45dae5173f43fGordon Ross /* Success */
9c9af2590af49bb395bc8d2eace0f2d4ea16d165Gordon Rosssmb_smb_writex(struct smb_share *ssp, uint16_t fid, uint32_t *lenp,
4bff34e37def8a90f9194d81bc345c52ba20086athurlow error = smb_rq_alloc(SSTOCP(ssp), SMB_COM_WRITE_ANDX, scred, &rqp);
9c9af2590af49bb395bc8d2eace0f2d4ea16d165Gordon Ross mb_put_uint32le(mbp, offlo); /* offset (low part) */
4bff34e37def8a90f9194d81bc345c52ba20086athurlow mb_put_uint16le(mbp, 64); /* data offset from header start */
9c9af2590af49bb395bc8d2eace0f2d4ea16d165Gordon Ross mb_put_uint32le(mbp, offhi); /* offset (high part) */
02d09e03eb27f3a2dc299de704e45dae5173f43fGordon Ross md_get_uint16le(mdp, &lenlo); /* data len ret. */
02d09e03eb27f3a2dc299de704e45dae5173f43fGordon Ross /* Success */
9c9af2590af49bb395bc8d2eace0f2d4ea16d165Gordon Rosssmb_smb_read(struct smb_share *ssp, uint16_t fid, uint32_t *lenp,
9c9af2590af49bb395bc8d2eace0f2d4ea16d165Gordon Ross /* This next is an "estimate" of planned reads. */
9c9af2590af49bb395bc8d2eace0f2d4ea16d165Gordon Ross todo = (uint16_t)min(uiop->uio_resid, UINT16_MAX);
4bff34e37def8a90f9194d81bc345c52ba20086athurlow error = smb_rq_alloc(SSTOCP(ssp), SMB_COM_READ, scred, &rqp);
02d09e03eb27f3a2dc299de704e45dae5173f43fGordon Ross md_get_mem(mdp, NULL, 4 * 2, MB_MSYSTEM); /* res. */
02d09e03eb27f3a2dc299de704e45dae5173f43fGordon Ross error = md_get_uint16le(mdp, &dlen); /* data len */
02d09e03eb27f3a2dc299de704e45dae5173f43fGordon Ross /* paranoid */
02d09e03eb27f3a2dc299de704e45dae5173f43fGordon Ross /* success */
9c9af2590af49bb395bc8d2eace0f2d4ea16d165Gordon Rosssmb_smb_write(struct smb_share *ssp, uint16_t fid, uint32_t *lenp,
9c9af2590af49bb395bc8d2eace0f2d4ea16d165Gordon Ross /* This next is an "estimate" of planned writes. */
9c9af2590af49bb395bc8d2eace0f2d4ea16d165Gordon Ross todo = (uint16_t)min(uiop->uio_resid, UINT16_MAX);
4bff34e37def8a90f9194d81bc345c52ba20086athurlow error = smb_rq_alloc(SSTOCP(ssp), SMB_COM_WRITE, scred, &rqp);
4bff34e37def8a90f9194d81bc345c52ba20086athurlowsmb_smb_echo(struct smb_vc *vcp, struct smb_cred *scred, int timo)
4bff34e37def8a90f9194d81bc345c52ba20086athurlow error = smb_rq_alloc(VCTOCP(vcp), SMB_COM_ECHO, scred, &rqp);
4bff34e37def8a90f9194d81bc345c52ba20086athurlow * Note: the IOD calls this, so
4bff34e37def8a90f9194d81bc345c52ba20086athurlow * this request must not wait for
4bff34e37def8a90f9194d81bc345c52ba20086athurlow * connection state changes, etc.