302 lines
7.6 KiB
C
302 lines
7.6 KiB
C
/*
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* Copyright (c) 2000-2002, 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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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Boris Popov.
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* 4. Neither the name of the author nor the names of any co-contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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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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* $Id: mount_smbfs.c,v 1.17 2002/04/10 04:17:51 bp Exp $
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* $FreeBSD$
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*/
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#include <sys/param.h>
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#include <sys/stat.h>
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#include <sys/errno.h>
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#include <sys/linker.h>
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#include <sys/mount.h>
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#include <stdio.h>
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#include <string.h>
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#include <pwd.h>
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#include <grp.h>
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#include <unistd.h>
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#include <ctype.h>
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#include <stdlib.h>
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#include <err.h>
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#include <sysexits.h>
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#include <cflib.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_lib.h>
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#include <fs/smbfs/smbfs.h>
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#include "mntopts.h"
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static char mount_point[MAXPATHLEN + 1];
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static void usage(void);
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static struct mntopt mopts[] = {
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MOPT_STDOPTS,
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MOPT_END
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};
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static char smbfs_vfsname[] = "smbfs";
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int
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main(int argc, char *argv[])
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{
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struct iovec *iov;
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unsigned int iovlen;
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struct smb_ctx sctx, *ctx = &sctx;
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struct stat st;
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#ifdef APPLE
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extern void dropsuid();
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extern int loadsmbvfs();
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#else
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struct xvfsconf vfc;
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#endif
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char *next;
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int opt, error, mntflags, caseopt, dev;
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uid_t uid;
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gid_t gid;
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mode_t dir_mode, file_mode;
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char errmsg[255] = { 0 };
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iov = NULL;
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iovlen = 0;
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dev = 0;
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uid = (uid_t)-1;
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gid = (gid_t)-1;
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caseopt = 0;
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file_mode = 0;
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dir_mode = 0;
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#ifdef APPLE
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dropsuid();
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#endif
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if (argc == 2) {
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if (strcmp(argv[1], "-h") == 0) {
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usage();
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}
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}
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if (argc < 3)
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usage();
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#ifdef APPLE
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error = loadsmbvfs();
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#else
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error = getvfsbyname(smbfs_vfsname, &vfc);
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if (error) {
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if (kldload(smbfs_vfsname) < 0)
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err(EX_OSERR, "kldload(%s)", smbfs_vfsname);
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error = getvfsbyname(smbfs_vfsname, &vfc);
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}
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#endif
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if (error)
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errx(EX_OSERR, "SMB filesystem is not available");
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if (smb_lib_init() != 0)
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exit(1);
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mntflags = error = 0;
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caseopt = SMB_CS_NONE;
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if (smb_ctx_init(ctx, argc, argv, SMBL_SHARE, SMBL_SHARE, SMB_ST_DISK) != 0)
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exit(1);
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if (smb_ctx_readrc(ctx) != 0)
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exit(1);
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if (smb_rc)
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rc_close(smb_rc);
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while ((opt = getopt(argc, argv, STDPARAM_OPT"c:d:f:g:l:n:o:u:w:")) != -1) {
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switch (opt) {
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case STDPARAM_ARGS:
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error = smb_ctx_opt(ctx, opt, optarg);
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if (error)
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exit(1);
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break;
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case 'u': {
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struct passwd *pwd;
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pwd = isdigit(optarg[0]) ?
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getpwuid(atoi(optarg)) : getpwnam(optarg);
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if (pwd == NULL)
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errx(EX_NOUSER, "unknown user '%s'", optarg);
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uid = pwd->pw_uid;
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break;
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}
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case 'g': {
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struct group *grp;
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grp = isdigit(optarg[0]) ?
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getgrgid(atoi(optarg)) : getgrnam(optarg);
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if (grp == NULL)
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errx(EX_NOUSER, "unknown group '%s'", optarg);
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gid = grp->gr_gid;
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break;
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}
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case 'd':
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errno = 0;
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dir_mode = strtol(optarg, &next, 8);
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if (errno || *next != 0)
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errx(EX_DATAERR, "invalid value for directory mode");
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break;
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case 'f':
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errno = 0;
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file_mode = strtol(optarg, &next, 8);
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if (errno || *next != 0)
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errx(EX_DATAERR, "invalid value for file mode");
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break;
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case '?':
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usage();
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/*NOTREACHED*/
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case 'n': {
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char *inp, *nsp;
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nsp = inp = optarg;
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while ((nsp = strsep(&inp, ",;:")) != NULL) {
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if (strcasecmp(nsp, "LONG") == 0) {
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build_iovec(&iov, &iovlen,
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"nolong", NULL, 0);
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} else {
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errx(EX_DATAERR,
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"unknown suboption '%s'", nsp);
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}
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}
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break;
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};
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case 'o':
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getmntopts(optarg, mopts, &mntflags, 0);
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break;
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case 'c':
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switch (optarg[0]) {
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case 'l':
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caseopt |= SMB_CS_LOWER;
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break;
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case 'u':
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caseopt |= SMB_CS_UPPER;
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break;
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default:
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errx(EX_DATAERR, "invalid suboption '%c' for -c",
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optarg[0]);
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}
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break;
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default:
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usage();
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}
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}
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if (optind == argc - 2)
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optind++;
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if (optind != argc - 1)
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usage();
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realpath(argv[optind], mount_point);
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if (stat(mount_point, &st) == -1)
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err(EX_OSERR, "could not find mount point %s", mount_point);
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if (!S_ISDIR(st.st_mode)) {
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errno = ENOTDIR;
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err(EX_OSERR, "can't mount on %s", mount_point);
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}
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/*
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if (smb_getextattr(mount_point, &einfo) == 0)
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errx(EX_OSERR, "can't mount on %s twice", mount_point);
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*/
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if (uid == (uid_t)-1)
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uid = st.st_uid;
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if (gid == (gid_t)-1)
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gid = st.st_gid;
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if (file_mode == 0 )
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file_mode = st.st_mode & (S_IRWXU | S_IRWXG | S_IRWXO);
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if (dir_mode == 0) {
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dir_mode = file_mode;
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if (dir_mode & S_IRUSR)
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dir_mode |= S_IXUSR;
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if (dir_mode & S_IRGRP)
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dir_mode |= S_IXGRP;
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if (dir_mode & S_IROTH)
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dir_mode |= S_IXOTH;
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}
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/*
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* For now, let connection be private for this mount
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*/
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ctx->ct_ssn.ioc_opt |= SMBVOPT_PRIVATE;
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ctx->ct_ssn.ioc_owner = ctx->ct_sh.ioc_owner = 0; /* root */
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ctx->ct_ssn.ioc_group = ctx->ct_sh.ioc_group = gid;
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opt = 0;
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if (dir_mode & S_IXGRP)
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opt |= SMBM_EXECGRP;
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if (dir_mode & S_IXOTH)
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opt |= SMBM_EXECOTH;
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ctx->ct_ssn.ioc_rights |= opt;
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ctx->ct_sh.ioc_rights |= opt;
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error = smb_ctx_resolve(ctx);
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if (error)
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exit(1);
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error = smb_ctx_lookup(ctx, SMBL_SHARE, SMBLK_CREATE);
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if (error) {
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exit(1);
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}
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dev = ctx->ct_fd;
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build_iovec(&iov, &iovlen, "fstype", strdup("smbfs"), -1);
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build_iovec(&iov, &iovlen, "fspath", mount_point, -1);
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build_iovec_argf(&iov, &iovlen, "dev", "%d", dev);
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build_iovec(&iov, &iovlen, "mountpoint", mount_point, -1);
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build_iovec_argf(&iov, &iovlen, "uid", "%d", uid);
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build_iovec_argf(&iov, &iovlen, "gid", "%d", gid);
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build_iovec_argf(&iov, &iovlen, "file_mode", "%d", file_mode);
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build_iovec_argf(&iov, &iovlen, "dir_mode", "%d", dir_mode);
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build_iovec_argf(&iov, &iovlen, "caseopt", "%d", caseopt);
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build_iovec(&iov, &iovlen, "errmsg", errmsg, sizeof errmsg);
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error = nmount(iov, iovlen, mntflags);
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smb_ctx_done(ctx);
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if (error) {
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smb_error("mount error: %s %s", error, mount_point, errmsg);
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exit(1);
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}
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return 0;
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}
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static void
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usage(void)
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{
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fprintf(stderr, "%s\n%s\n%s\n%s\n",
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"usage: mount_smbfs [-E cs1:cs2] [-I host] [-L locale] [-M crights:srights]",
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" [-N] [-O cowner:cgroup/sowner:sgroup] [-R retrycount]",
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" [-T timeout] [-W workgroup] [-c case] [-d mode] [-f mode]",
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" [-g gid] [-n opt] [-u uid] //user@server/share node");
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exit (1);
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}
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