NetBSD-5.0.2/dist/smbfs/mount_smbfs/mount_smbfs.c
/* $NetBSD: mount_smbfs.c,v 1.9 2007/07/14 16:03:05 dsl Exp $ */
/*
* Copyright (c) 2000-2002, Boris Popov
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Boris Popov.
* 4. Neither the name of the author nor the names of any co-contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* from: Id: mount_smbfs.c,v 1.17 2002/04/10 04:17:51 bp Exp
*/
#include <sys/cdefs.h>
__RCSID("$NetBSD: mount_smbfs.c,v 1.9 2007/07/14 16:03:05 dsl Exp $");
#include <sys/param.h>
#include <sys/stat.h>
#include <sys/errno.h>
#include <sys/mount.h>
#include <stdio.h>
#include <string.h>
#include <pwd.h>
#include <grp.h>
#include <unistd.h>
#include <ctype.h>
#include <stdlib.h>
#include <err.h>
#include <sysexits.h>
#include <errno.h>
#include <cflib.h>
#include <netsmb/smb.h>
#include <netsmb/smb_conn.h>
#include <netsmb/smb_lib.h>
#include <fs/smbfs/smbfs.h>
#include "mntopts.h"
static void usage(void);
static const struct mntopt mopts[] = {
MOPT_STDOPTS,
{ NULL, 0, 0, 0 }
};
int
main(int argc, char *argv[])
{
struct smb_ctx sctx, *ctx = &sctx;
struct smbfs_args mdata;
struct stat st;
char *next;
int opt, error, mntflags, caseopt;
char mount_point[MAXPATHLEN + 1];
if (argc == 2) {
if (strcmp(argv[1], "-h") == 0) {
usage();
} else if (strcmp(argv[1], "-v") == 0) {
errx(EX_OK, "version %d.%d.%d", SMBFS_VERSION / 100000,
(SMBFS_VERSION % 10000) / 1000,
(SMBFS_VERSION % 1000) / 100);
}
}
if (argc < 3)
usage();
if (smb_lib_init() != 0)
exit(1);
mntflags = error = 0;
bzero(&mdata, sizeof(mdata));
mdata.uid = mdata.gid = -1;
caseopt = SMB_CS_NONE;
if (smb_ctx_init(ctx, argc, argv, SMBL_SHARE, SMBL_SHARE, SMB_ST_DISK) != 0)
exit(1);
if (smb_ctx_readrc(ctx) != 0)
exit(1);
if (smb_rc)
rc_close(smb_rc);
while ((opt = getopt(argc, argv, STDPARAM_OPT"c:d:f:g:l:n:o:u:w:")) != -1) {
switch (opt) {
case STDPARAM_ARGS:
error = smb_ctx_opt(ctx, opt, optarg);
if (error)
exit(1);
break;
case 'u': {
struct passwd *pwd;
pwd = isdigit((unsigned char)optarg[0]) ?
getpwuid(atoi(optarg)) : getpwnam(optarg);
if (pwd == NULL)
errx(EX_NOUSER, "unknown user '%s'", optarg);
mdata.uid = pwd->pw_uid;
break;
}
case 'g': {
struct group *grp;
grp = isdigit((unsigned char)optarg[0]) ?
getgrgid(atoi(optarg)) : getgrnam(optarg);
if (grp == NULL)
errx(EX_NOUSER, "unknown group '%s'", optarg);
mdata.gid = grp->gr_gid;
break;
}
case 'd':
errno = 0;
mdata.dir_mode = strtol(optarg, &next, 8);
if (errno || *next != 0)
errx(EX_DATAERR, "invalid value for directory mode");
break;
case 'f':
errno = 0;
mdata.file_mode = strtol(optarg, &next, 8);
if (errno || *next != 0)
errx(EX_DATAERR, "invalid value for file mode");
break;
case '?':
usage();
/*NOTREACHED*/
case 'n': {
char *inp, *nsp;
nsp = inp = optarg;
while ((nsp = strsep(&inp, ",;:")) != NULL) {
if (strcasecmp(nsp, "LONG") == 0)
mdata.flags |= SMBFS_MOUNT_NO_LONG;
else
errx(EX_DATAERR, "unknown suboption '%s'", nsp);
}
break;
};
case 'o':
getmntopts(optarg, mopts, &mntflags, 0);
break;
case 'c':
switch (optarg[0]) {
case 'l':
caseopt |= SMB_CS_LOWER;
break;
case 'u':
caseopt |= SMB_CS_UPPER;
break;
default:
errx(EX_DATAERR, "invalid suboption '%c' for -c",
optarg[0]);
}
break;
default:
usage();
}
}
if (optind == argc - 2)
optind++;
if (optind != argc - 1)
usage();
realpath(argv[optind], mount_point);
if (stat(mount_point, &st) == -1)
err(EX_OSERR, "could not find mount point %s", mount_point);
if (!S_ISDIR(st.st_mode)) {
errno = ENOTDIR;
err(EX_OSERR, "can't mount on %s", mount_point);
}
/*
if (smb_getextattr(mount_point, &einfo) == 0)
errx(EX_OSERR, "can't mount on %s twice", mount_point);
*/
if (mdata.uid == (uid_t)-1)
mdata.uid = st.st_uid;
if (mdata.gid == (gid_t)-1)
mdata.gid = st.st_gid;
if (mdata.file_mode == 0 )
mdata.file_mode = st.st_mode & (S_IRWXU | S_IRWXG | S_IRWXO);
if (mdata.dir_mode == 0) {
mdata.dir_mode = mdata.file_mode;
if (mdata.dir_mode & S_IRUSR)
mdata.dir_mode |= S_IXUSR;
if (mdata.dir_mode & S_IRGRP)
mdata.dir_mode |= S_IXGRP;
if (mdata.dir_mode & S_IROTH)
mdata.dir_mode |= S_IXOTH;
}
/*
* For now, let connection be private for this mount
*/
ctx->ct_ssn.ioc_opt |= SMBVOPT_PRIVATE;
if (getuid() == 0)
ctx->ct_ssn.ioc_owner = ctx->ct_sh.ioc_owner = 0; /* root */
else
ctx->ct_ssn.ioc_owner = ctx->ct_sh.ioc_owner = mdata.uid;
ctx->ct_ssn.ioc_group = ctx->ct_sh.ioc_group = mdata.gid;
opt = 0;
if (mdata.dir_mode & S_IXGRP)
opt |= SMBM_EXECGRP;
if (mdata.dir_mode & S_IXOTH)
opt |= SMBM_EXECOTH;
ctx->ct_ssn.ioc_rights |= opt;
ctx->ct_sh.ioc_rights |= opt;
error = smb_ctx_resolve(ctx);
if (error)
exit(1);
error = smb_ctx_lookup(ctx, SMBL_SHARE, SMBLK_CREATE);
if (error) {
exit(1);
}
mdata.version = SMBFS_VERSION;
mdata.dev_fd = ctx->ct_fd;
mdata.caseopt = caseopt;
error = mount(SMBFS_VFSNAME, mount_point, mntflags, (void*)&mdata, sizeof mdata);
smb_ctx_done(ctx);
if (error) {
smb_error("mount error for %s: %s", error, mount_point,
strerror(errno));
exit(1);
}
return 0;
}
static void
usage(void)
{
fprintf(stderr, "%s\n%s\n%s\n%s\n",
"usage: mount_smbfs [-E cs1:cs2] [-I host] [-L locale] [-M crights:srights]",
" [-N] [-O cowner:cgroup/sowner:sgroup] [-R retrycount]",
" [-T timeout] [-W workgroup] [-c case] [-d mode] [-f mode]",
" [-g gid] [-n opt] [-u uid] //user@server/share node");
exit (1);
}