smbfs_subr.c

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    1 /*-
    2  * Copyright (c) 2000-2001 Boris Popov
    3  * All rights reserved.
    4  *
    5  * Redistribution and use in source and binary forms, with or without
    6  * modification, are permitted provided that the following conditions
    7  * are met:
    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  *
   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
   24  * SUCH DAMAGE.
   25  *
   26  * $FreeBSD$
   27  */
   28 #include <sys/param.h>
   29 #include <sys/systm.h>
   30 #include <sys/kernel.h>
   31 #include <sys/clock.h>
   32 #include <sys/malloc.h>
   33 #include <sys/time.h>
   34 #include <sys/vnode.h>
   35 #include <sys/sysctl.h>
   36 #include <sys/iconv.h>
   37 
   38 #include <netsmb/smb.h>
   39 #include <netsmb/smb_conn.h>
   40 #include <netsmb/smb_subr.h>
   41 #include <netsmb/smb_rq.h>
   42 #include <netsmb/smb_dev.h>
   43 
   44 #include <fs/smbfs/smbfs.h>
   45 #include <fs/smbfs/smbfs_node.h>
   46 #include <fs/smbfs/smbfs_subr.h>
   47 
   48 MALLOC_DEFINE(M_SMBFSDATA, "smbfs_data", "SMBFS private data");
   49 MALLOC_DEFINE(M_SMBFSCRED, "smbfs_cred", "SMBFS cred data");
   50 
   51 void
   52 smb_time_local2server(struct timespec *tsp, int tzoff, u_long *seconds)
   53 {
   54         *seconds = tsp->tv_sec - tzoff * 60 /*- tz_minuteswest * 60 -
   55             (wall_cmos_clock ? adjkerntz : 0)*/;
   56 }
   57 
   58 void
   59 smb_time_server2local(u_long seconds, int tzoff, struct timespec *tsp)
   60 {
   61         tsp->tv_sec = seconds + tzoff * 60;
   62             /*+ tz_minuteswest * 60 + (wall_cmos_clock ? adjkerntz : 0)*/;
   63 }
   64 
   65 /*
   66  * Number of seconds between 1970 and 1601 year
   67  */
   68 static int64_t DIFF1970TO1601 = 11644473600ULL;
   69 
   70 /*
   71  * Time from server comes as UTC, so no need to use tz
   72  */
   73 void
   74 smb_time_NT2local(int64_t nsec, int tzoff, struct timespec *tsp)
   75 {
   76         smb_time_server2local(nsec / 10000000 - DIFF1970TO1601, 0, tsp);
   77 }
   78 
   79 void
   80 smb_time_local2NT(struct timespec *tsp, int tzoff, int64_t *nsec)
   81 {
   82         u_long seconds;
   83 
   84         smb_time_local2server(tsp, 0, &seconds);
   85         *nsec = (((int64_t)(seconds) & ~1) + DIFF1970TO1601) * (int64_t)10000000;
   86 }
   87 
   88 void
   89 smb_time_unix2dos(struct timespec *tsp, int tzoff, u_int16_t *ddp, 
   90         u_int16_t *dtp, u_int8_t *dhp)
   91 {
   92         struct timespec tt;
   93         u_long t;
   94 
   95         tt = *tsp;
   96         smb_time_local2server(tsp, tzoff, &t);
   97         tt.tv_sec = t;
   98         timespec2fattime(&tt, 1, ddp, dtp, dhp);
   99 }
  100 
  101 void
  102 smb_dos2unixtime(u_int dd, u_int dt, u_int dh, int tzoff,
  103         struct timespec *tsp)
  104 {
  105 
  106         fattime2timespec(dd, dt, dh, 1, tsp);
  107         smb_time_server2local(tsp->tv_sec, tzoff, tsp);
  108 }
  109 
  110 int
  111 smbfs_fullpath(struct mbchain *mbp, struct smb_vc *vcp, struct smbnode *dnp,
  112         const char *name, int nmlen)
  113 {
  114         int caseopt = SMB_CS_NONE;
  115         int error;
  116 
  117         if (SMB_UNICODE_STRINGS(vcp)) {
  118                 error = mb_put_padbyte(mbp);
  119                 if (error)
  120                         return error;
  121         }
  122         if (SMB_DIALECT(vcp) < SMB_DIALECT_LANMAN1_0)
  123                 caseopt |= SMB_CS_UPPER;
  124         if (dnp != NULL) {
  125                 error = smb_put_dmem(mbp, vcp, dnp->n_rpath, dnp->n_rplen, 
  126                     caseopt);
  127                 if (error)
  128                         return error;
  129                 if (name) {
  130                         /* Put the separator */
  131                         if (SMB_UNICODE_STRINGS(vcp))
  132                                 error = mb_put_uint16le(mbp, '\\');
  133                         else
  134                                 error = mb_put_uint8(mbp, '\\');
  135                         if (error)
  136                                 return error;
  137                         /* Put the name */
  138                         error = smb_put_dmem(mbp, vcp, name, nmlen, caseopt);
  139                         if (error)
  140                                 return error;
  141                 }
  142         }
  143         /* Put NULL terminator. */
  144         if (SMB_UNICODE_STRINGS(vcp))
  145                 error = mb_put_uint16le(mbp, 0);
  146         else
  147                 error = mb_put_uint8(mbp, 0);
  148         return error;
  149 }
  150 
  151 int
  152 smbfs_fname_tolocal(struct smb_vc *vcp, char *name, int *nmlen, int caseopt)
  153 {
  154         int copt = (caseopt == SMB_CS_LOWER ? KICONV_FROM_LOWER : 
  155                     (caseopt == SMB_CS_UPPER ? KICONV_FROM_UPPER : 0));
  156         int error = 0;
  157         size_t ilen = *nmlen;
  158         size_t olen;
  159         char *ibuf = name;
  160         char outbuf[SMB_MAXFNAMELEN];
  161         char *obuf = outbuf;
  162 
  163         if (vcp->vc_tolocal) {
  164                 olen = sizeof(outbuf);
  165                 bzero(outbuf, sizeof(outbuf));
  166 
  167                 /*
  168                 error = iconv_conv_case
  169                         (vcp->vc_tolocal, NULL, NULL, &obuf, &olen, copt);
  170                 if (error) return error;
  171                 */
  172 
  173                 error = iconv_conv_case(vcp->vc_tolocal,
  174                     __DECONST(const char **, &ibuf), &ilen, &obuf, &olen, copt);
  175                 if (error && SMB_UNICODE_STRINGS(vcp)) {
  176                         /*
  177                          * If using unicode, leaving a file name as it was when
  178                          * convert fails will cause a problem because the file name
  179                          * will contain NULL.
  180                          * Here, put '?' and give converted file name.
  181                          */
  182                         *obuf = '?';
  183                         olen--;
  184                         error = 0;
  185                 }
  186                 if (!error) {
  187                         *nmlen = sizeof(outbuf) - olen;
  188                         memcpy(name, outbuf, *nmlen);
  189                 }
  190         }
  191         return error;
  192 }
  193 
  194 void *
  195 smbfs_malloc_scred(void)
  196 {
  197         return (malloc(sizeof(struct smb_cred), M_SMBFSCRED, M_WAITOK));
  198 }
  199 
  200 void
  201 smbfs_free_scred(void *scred)
  202 {
  203         free(scred, M_SMBFSCRED);
  204 }

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FreeBSD/Linux Kernel Cross Reference sys/fs/smbfs/smbfs_subr.c

FreeBSD/Linux Kernel Cross Reference
sys/fs/smbfs/smbfs_subr.c