1 /*
2 * Copyright (c) 2000-2002, 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 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by Boris Popov.
16 * 4. Neither the name of the author nor the names of any co-contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 *
32 * $Id: mount_smbfs.c,v 1.17 2002/04/10 04:17:51 bp Exp $
33 */
34 #include <sys/param.h>
35 #include <sys/stat.h>
36 #include <sys/errno.h>
37 #include <sys/mount.h>
38
39 #include <stdio.h>
40 #include <string.h>
41 #include <pwd.h>
42 #include <grp.h>
43 #include <unistd.h>
44 #include <ctype.h>
45 #include <stdlib.h>
46 #include <err.h>
47 #include <sysexits.h>
48
49 #include <cflib.h>
50
51 #include <netsmb/smb.h>
52 #include <netsmb/smb_conn.h>
53 #include <netsmb/smb_lib.h>
54
55 #include <vfs/smbfs/smbfs.h>
56
57 #include <mntopts.h>
58
59 static char mount_point[MAXPATHLEN + 1];
60 static void usage(void) __dead2;
61
62 static struct mntopt mopts[] = {
63 MOPT_STDOPTS,
64 MOPT_NULL
65 };
66
67
68 int
main(int argc,char * argv[])69 main(int argc, char *argv[])
70 {
71 struct smb_ctx sctx, *ctx = &sctx;
72 struct smbfs_args mdata;
73 struct stat st;
74 #ifdef APPLE
75 extern void dropsuid();
76 extern int loadsmbvfs();
77 #else
78 struct vfsconf vfc;
79 #endif /* APPLE */
80 char *next;
81 int opt, error, mntflags, caseopt;
82
83
84 #ifdef APPLE
85 dropsuid();
86 #endif /* APPLE */
87 if (argc == 2) {
88 if (strcmp(argv[1], "-h") == 0) {
89 usage();
90 } else if (strcmp(argv[1], "-v") == 0) {
91 errx(EX_OK, "version %d.%d.%d", SMBFS_VERSION / 100000,
92 (SMBFS_VERSION % 10000) / 1000,
93 (SMBFS_VERSION % 1000) / 100);
94 }
95 }
96 if (argc < 3)
97 usage();
98
99 #ifdef APPLE
100 error = loadsmbvfs();
101 #else
102 error = getvfsbyname(SMBFS_VFSNAME, &vfc);
103 if (error && vfsisloadable(SMBFS_VFSNAME)) {
104 if(vfsload(SMBFS_VFSNAME))
105 err(EX_OSERR, "vfsload("SMBFS_VFSNAME")");
106 endvfsent();
107 error = getvfsbyname(SMBFS_VFSNAME, &vfc);
108 }
109 #endif /* APPLE */
110 if (error)
111 errx(EX_OSERR, "SMB filesystem is not available");
112
113 if (smb_lib_init() != 0)
114 exit(1);
115
116 mntflags = error = 0;
117 bzero(&mdata, sizeof(mdata));
118 mdata.uid = mdata.gid = -1;
119 caseopt = SMB_CS_NONE;
120
121 if (smb_ctx_init(ctx, argc, argv, SMBL_SHARE, SMBL_SHARE, SMB_ST_DISK) != 0)
122 exit(1);
123 if (smb_ctx_readrc(ctx) != 0)
124 exit(1);
125 if (smb_rc)
126 rc_close(smb_rc);
127
128 while ((opt = getopt(argc, argv, STDPARAM_OPT"c:d:f:g:l:n:o:u:w:")) != -1) {
129 switch (opt) {
130 case STDPARAM_ARGS:
131 error = smb_ctx_opt(ctx, opt, optarg);
132 if (error)
133 exit(1);
134 break;
135 case 'u': {
136 struct passwd *pwd;
137
138 pwd = isdigit(optarg[0]) ?
139 getpwuid(atoi(optarg)) : getpwnam(optarg);
140 if (pwd == NULL)
141 errx(EX_NOUSER, "unknown user '%s'", optarg);
142 mdata.uid = pwd->pw_uid;
143 break;
144 }
145 case 'g': {
146 struct group *grp;
147
148 grp = isdigit(optarg[0]) ?
149 getgrgid(atoi(optarg)) : getgrnam(optarg);
150 if (grp == NULL)
151 errx(EX_NOUSER, "unknown group '%s'", optarg);
152 mdata.gid = grp->gr_gid;
153 break;
154 }
155 case 'd':
156 errno = 0;
157 mdata.dir_mode = strtol(optarg, &next, 8);
158 if (errno || *next != 0)
159 errx(EX_DATAERR, "invalid value for directory mode");
160 break;
161 case 'f':
162 errno = 0;
163 mdata.file_mode = strtol(optarg, &next, 8);
164 if (errno || *next != 0)
165 errx(EX_DATAERR, "invalid value for file mode");
166 break;
167 case '?':
168 usage();
169 /*NOTREACHED*/
170 case 'n': {
171 char *inp, *nsp;
172
173 nsp = inp = optarg;
174 while ((nsp = strsep(&inp, ",;:")) != NULL) {
175 if (strcasecmp(nsp, "LONG") == 0)
176 mdata.flags |= SMBFS_MOUNT_NO_LONG;
177 else
178 errx(EX_DATAERR, "unknown suboption '%s'", nsp);
179 }
180 break;
181 };
182 case 'o':
183 getmntopts(optarg, mopts, &mntflags, 0);
184 break;
185 case 'c':
186 switch (optarg[0]) {
187 case 'l':
188 caseopt |= SMB_CS_LOWER;
189 break;
190 case 'u':
191 caseopt |= SMB_CS_UPPER;
192 break;
193 default:
194 errx(EX_DATAERR, "invalid suboption '%c' for -c",
195 optarg[0]);
196 }
197 break;
198 default:
199 usage();
200 }
201 }
202
203 if (optind == argc - 2)
204 optind++;
205
206 if (optind != argc - 1)
207 usage();
208 realpath(argv[optind], mount_point);
209
210 if (stat(mount_point, &st) == -1)
211 err(EX_OSERR, "could not find mount point %s", mount_point);
212 if (!S_ISDIR(st.st_mode)) {
213 errno = ENOTDIR;
214 err(EX_OSERR, "can't mount on %s", mount_point);
215 }
216 /*
217 if (smb_getextattr(mount_point, &einfo) == 0)
218 errx(EX_OSERR, "can't mount on %s twice", mount_point);
219 */
220 if (mdata.uid == (uid_t)-1)
221 mdata.uid = st.st_uid;
222 if (mdata.gid == (gid_t)-1)
223 mdata.gid = st.st_gid;
224 if (mdata.file_mode == 0 )
225 mdata.file_mode = st.st_mode & (S_IRWXU | S_IRWXG | S_IRWXO);
226 if (mdata.dir_mode == 0) {
227 mdata.dir_mode = mdata.file_mode;
228 if (mdata.dir_mode & S_IRUSR)
229 mdata.dir_mode |= S_IXUSR;
230 if (mdata.dir_mode & S_IRGRP)
231 mdata.dir_mode |= S_IXGRP;
232 if (mdata.dir_mode & S_IROTH)
233 mdata.dir_mode |= S_IXOTH;
234 }
235 /*
236 * For now, let connection be private for this mount
237 */
238 ctx->ct_ssn.ioc_opt |= SMBVOPT_PRIVATE;
239 ctx->ct_ssn.ioc_owner = ctx->ct_sh.ioc_owner = 0; /* root */
240 ctx->ct_ssn.ioc_group = ctx->ct_sh.ioc_group = mdata.gid;
241 opt = 0;
242 if (mdata.dir_mode & S_IXGRP)
243 opt |= SMBM_EXECGRP;
244 if (mdata.dir_mode & S_IXOTH)
245 opt |= SMBM_EXECOTH;
246 ctx->ct_ssn.ioc_rights |= opt;
247 ctx->ct_sh.ioc_rights |= opt;
248 error = smb_ctx_resolve(ctx);
249 if (error)
250 exit(1);
251 error = smb_ctx_lookup(ctx, SMBL_SHARE, SMBLK_CREATE);
252 if (error) {
253 exit(1);
254 }
255 strcpy(mdata.mount_point,mount_point);
256 mdata.version = SMBFS_VERSION;
257 mdata.dev = ctx->ct_fd;
258 mdata.caseopt = caseopt;
259 error = mount(SMBFS_VFSNAME, mdata.mount_point, mntflags, (void*)&mdata);
260 smb_ctx_done(ctx);
261 if (error) {
262 smb_error("mount error: %s", error, mdata.mount_point);
263 exit(1);
264 }
265 return 0;
266 }
267
268 static void
usage(void)269 usage(void)
270 {
271 fprintf(stderr, "%s\n%s\n%s\n%s\n",
272 "usage: mount_smbfs [-E cs1:cs2] [-I host] [-L locale] [-M crights:srights]",
273 " [-N] [-O cowner:cgroup/sowner:sgroup] [-R retrycount]",
274 " [-T timeout] [-W workgroup] [-c case] [-d mode] [-f mode]",
275 " [-g gid] [-n opt] [-u uid] //user@server/share node");
276
277 exit (1);
278 }
279