1a26b28a9b
bug fixes by Kuan-Chung Chiu <buganini at gmail dot com>. Tested by me in production for several days at work.
225 lines
5.7 KiB
C
225 lines
5.7 KiB
C
/*-
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* Copyright (c) 2000-2001 Boris Popov
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/clock.h>
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#include <sys/malloc.h>
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#include <sys/time.h>
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#include <sys/vnode.h>
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#include <sys/sysctl.h>
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#include <sys/iconv.h>
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#include <netsmb/smb.h>
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#include <netsmb/smb_conn.h>
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#include <netsmb/smb_subr.h>
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#include <netsmb/smb_rq.h>
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#include <netsmb/smb_dev.h>
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#include <fs/smbfs/smbfs.h>
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#include <fs/smbfs/smbfs_node.h>
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#include <fs/smbfs/smbfs_subr.h>
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MALLOC_DEFINE(M_SMBFSDATA, "smbfs_data", "SMBFS private data");
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void
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smb_time_local2server(struct timespec *tsp, int tzoff, u_long *seconds)
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{
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*seconds = tsp->tv_sec - tzoff * 60 /*- tz_minuteswest * 60 -
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(wall_cmos_clock ? adjkerntz : 0)*/;
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}
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void
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smb_time_server2local(u_long seconds, int tzoff, struct timespec *tsp)
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{
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tsp->tv_sec = seconds + tzoff * 60;
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/*+ tz_minuteswest * 60 + (wall_cmos_clock ? adjkerntz : 0)*/;
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}
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/*
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* Number of seconds between 1970 and 1601 year
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*/
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static int64_t DIFF1970TO1601 = 11644473600ULL;
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/*
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* Time from server comes as UTC, so no need to use tz
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*/
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void
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smb_time_NT2local(int64_t nsec, int tzoff, struct timespec *tsp)
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{
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smb_time_server2local(nsec / 10000000 - DIFF1970TO1601, 0, tsp);
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}
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void
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smb_time_local2NT(struct timespec *tsp, int tzoff, int64_t *nsec)
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{
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u_long seconds;
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smb_time_local2server(tsp, 0, &seconds);
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*nsec = (((int64_t)(seconds) & ~1) + DIFF1970TO1601) * (int64_t)10000000;
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}
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void
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smb_time_unix2dos(struct timespec *tsp, int tzoff, u_int16_t *ddp,
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u_int16_t *dtp, u_int8_t *dhp)
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{
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struct timespec tt;
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u_long t;
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tt = *tsp;
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smb_time_local2server(tsp, tzoff, &t);
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tt.tv_sec = t;
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timespec2fattime(&tt, 1, ddp, dtp, dhp);
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}
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void
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smb_dos2unixtime(u_int dd, u_int dt, u_int dh, int tzoff,
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struct timespec *tsp)
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{
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fattime2timespec(dd, dt, dh, 1, tsp);
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smb_time_server2local(tsp->tv_sec, tzoff, tsp);
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}
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static int
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smb_fphelp(struct mbchain *mbp, struct smb_vc *vcp, struct smbnode *np,
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int caseopt)
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{
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struct smbmount *smp= np->n_mount;
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struct smbnode **npp = smp->sm_npstack;
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int i, error = 0;
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/* simple_lock(&smp->sm_npslock);*/
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i = 0;
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while (np->n_parent) {
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if (i++ == SMBFS_MAXPATHCOMP) {
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/* simple_unlock(&smp->sm_npslock);*/
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return ENAMETOOLONG;
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}
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*npp++ = np;
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if ((np->n_flag & NREFPARENT) == 0)
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break;
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np = VTOSMB(np->n_parent);
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}
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/* if (i == 0)
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return smb_put_dmem(mbp, vcp, "\\", 2, caseopt);*/
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while (i--) {
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np = *--npp;
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if (SMB_UNICODE_STRINGS(vcp))
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error = mb_put_uint16le(mbp, '\\');
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else
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error = mb_put_uint8(mbp, '\\');
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if (error)
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break;
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error = smb_put_dmem(mbp, vcp, np->n_name, np->n_nmlen, caseopt);
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if (error)
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break;
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}
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/* simple_unlock(&smp->sm_npslock);*/
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return error;
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}
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int
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smbfs_fullpath(struct mbchain *mbp, struct smb_vc *vcp, struct smbnode *dnp,
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const char *name, int nmlen)
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{
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int caseopt = SMB_CS_NONE;
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int error;
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if (SMB_UNICODE_STRINGS(vcp)) {
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error = mb_put_padbyte(mbp);
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if (error)
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return error;
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}
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if (SMB_DIALECT(vcp) < SMB_DIALECT_LANMAN1_0)
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caseopt |= SMB_CS_UPPER;
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if (dnp != NULL) {
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error = smb_fphelp(mbp, vcp, dnp, caseopt);
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if (error)
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return error;
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}
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if (name) {
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if (SMB_UNICODE_STRINGS(vcp))
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error = mb_put_uint16le(mbp, '\\');
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else
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error = mb_put_uint8(mbp, '\\');
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if (error)
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return error;
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error = smb_put_dmem(mbp, vcp, name, nmlen, caseopt);
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if (error)
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return error;
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}
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error = mb_put_uint8(mbp, 0);
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if (SMB_UNICODE_STRINGS(vcp) && error == 0)
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error = mb_put_uint8(mbp, 0);
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return error;
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}
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int
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smbfs_fname_tolocal(struct smb_vc *vcp, char *name, int *nmlen, int caseopt)
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{
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int copt = (caseopt == SMB_CS_LOWER ? KICONV_FROM_LOWER :
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(caseopt == SMB_CS_UPPER ? KICONV_FROM_UPPER : 0));
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int error = 0;
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size_t ilen = *nmlen;
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size_t olen;
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char *ibuf = name;
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char outbuf[SMB_MAXFNAMELEN];
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char *obuf = outbuf;
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if (vcp->vc_tolocal) {
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olen = sizeof(outbuf);
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bzero(outbuf, sizeof(outbuf));
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/*
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error = iconv_conv_case
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(vcp->vc_tolocal, NULL, NULL, &obuf, &olen, copt);
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if (error) return error;
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*/
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error = iconv_conv_case
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(vcp->vc_tolocal, (const char **)&ibuf, &ilen, &obuf, &olen, copt);
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if (error && SMB_UNICODE_STRINGS(vcp)) {
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/*
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* If using unicode, leaving a file name as it was when
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* convert fails will cause a problem because the file name
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* will contain NULL.
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* Here, put '?' and give converted file name.
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*/
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*obuf = '?';
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olen--;
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error = 0;
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}
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if (!error) {
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*nmlen = sizeof(outbuf) - olen;
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memcpy(name, outbuf, *nmlen);
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}
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}
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return error;
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}
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