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 * $FreeBSD$ 34 */ 35 #include <sys/param.h> 36 #include <sys/stat.h> 37 #include <sys/errno.h> 38 #include <sys/linker.h> 39 #include <sys/mount.h> 40 41 #include <stdio.h> 42 #include <string.h> 43 #include <pwd.h> 44 #include <grp.h> 45 #include <unistd.h> 46 #include <ctype.h> 47 #include <stdlib.h> 48 #include <err.h> 49 #include <sysexits.h> 50 51 #include <cflib.h> 52 53 #include <netsmb/smb.h> 54 #include <netsmb/smb_conn.h> 55 #include <netsmb/smb_lib.h> 56 57 #include <fs/smbfs/smbfs.h> 58 59 #include "mntopts.h" 60 61 static char mount_point[MAXPATHLEN + 1]; 62 static void usage(void); 63 64 static struct mntopt mopts[] = { 65 MOPT_STDOPTS, 66 { NULL, 0, 0, 0 } 67 }; 68 69 70 int 71 main(int argc, char *argv[]) 72 { 73 struct smb_ctx sctx, *ctx = &sctx; 74 struct smbfs_args mdata; 75 struct stat st; 76 #ifdef APPLE 77 extern void dropsuid(); 78 extern int loadsmbvfs(); 79 #else 80 struct xvfsconf vfc; 81 #endif 82 char *next; 83 int opt, error, mntflags, caseopt; 84 85 86 #ifdef APPLE 87 dropsuid(); 88 #endif 89 if (argc == 2) { 90 if (strcmp(argv[1], "-h") == 0) { 91 usage(); 92 } else if (strcmp(argv[1], "-v") == 0) { 93 errx(EX_OK, "version %d.%d.%d", SMBFS_VERSION / 100000, 94 (SMBFS_VERSION % 10000) / 1000, 95 (SMBFS_VERSION % 1000) / 100); 96 } 97 } 98 if (argc < 3) 99 usage(); 100 101 #ifdef APPLE 102 error = loadsmbvfs(); 103 #else 104 error = getvfsbyname(SMBFS_VFSNAME, &vfc); 105 if (error) { 106 if (kldload(SMBFS_VFSNAME) < 0) 107 err(EX_OSERR, "kldload("SMBFS_VFSNAME")"); 108 error = getvfsbyname(SMBFS_VFSNAME, &vfc); 109 } 110 #endif 111 if (error) 112 errx(EX_OSERR, "SMB filesystem is not available"); 113 114 if (smb_lib_init() != 0) 115 exit(1); 116 117 mntflags = error = 0; 118 bzero(&mdata, sizeof(mdata)); 119 mdata.uid = mdata.gid = -1; 120 caseopt = SMB_CS_NONE; 121 122 if (smb_ctx_init(ctx, argc, argv, SMBL_SHARE, SMBL_SHARE, SMB_ST_DISK) != 0) 123 exit(1); 124 if (smb_ctx_readrc(ctx) != 0) 125 exit(1); 126 if (smb_rc) 127 rc_close(smb_rc); 128 129 while ((opt = getopt(argc, argv, STDPARAM_OPT"c:d:f:g:l:n:o:u:w:")) != -1) { 130 switch (opt) { 131 case STDPARAM_ARGS: 132 error = smb_ctx_opt(ctx, opt, optarg); 133 if (error) 134 exit(1); 135 break; 136 case 'u': { 137 struct passwd *pwd; 138 139 pwd = isdigit(optarg[0]) ? 140 getpwuid(atoi(optarg)) : getpwnam(optarg); 141 if (pwd == NULL) 142 errx(EX_NOUSER, "unknown user '%s'", optarg); 143 mdata.uid = pwd->pw_uid; 144 break; 145 } 146 case 'g': { 147 struct group *grp; 148 149 grp = isdigit(optarg[0]) ? 150 getgrgid(atoi(optarg)) : getgrnam(optarg); 151 if (grp == NULL) 152 errx(EX_NOUSER, "unknown group '%s'", optarg); 153 mdata.gid = grp->gr_gid; 154 break; 155 } 156 case 'd': 157 errno = 0; 158 mdata.dir_mode = strtol(optarg, &next, 8); 159 if (errno || *next != 0) 160 errx(EX_DATAERR, "invalid value for directory mode"); 161 break; 162 case 'f': 163 errno = 0; 164 mdata.file_mode = strtol(optarg, &next, 8); 165 if (errno || *next != 0) 166 errx(EX_DATAERR, "invalid value for file mode"); 167 break; 168 case '?': 169 usage(); 170 /*NOTREACHED*/ 171 case 'n': { 172 char *inp, *nsp; 173 174 nsp = inp = optarg; 175 while ((nsp = strsep(&inp, ",;:")) != NULL) { 176 if (strcasecmp(nsp, "LONG") == 0) 177 mdata.flags |= SMBFS_MOUNT_NO_LONG; 178 else 179 errx(EX_DATAERR, "unknown suboption '%s'", nsp); 180 } 181 break; 182 }; 183 case 'o': 184 getmntopts(optarg, mopts, &mntflags, 0); 185 break; 186 case 'c': 187 switch (optarg[0]) { 188 case 'l': 189 caseopt |= SMB_CS_LOWER; 190 break; 191 case 'u': 192 caseopt |= SMB_CS_UPPER; 193 break; 194 default: 195 errx(EX_DATAERR, "invalid suboption '%c' for -c", 196 optarg[0]); 197 } 198 break; 199 default: 200 usage(); 201 } 202 } 203 204 if (optind == argc - 2) 205 optind++; 206 207 if (optind != argc - 1) 208 usage(); 209 realpath(argv[optind], mount_point); 210 211 if (stat(mount_point, &st) == -1) 212 err(EX_OSERR, "could not find mount point %s", mount_point); 213 if (!S_ISDIR(st.st_mode)) { 214 errno = ENOTDIR; 215 err(EX_OSERR, "can't mount on %s", mount_point); 216 } 217 /* 218 if (smb_getextattr(mount_point, &einfo) == 0) 219 errx(EX_OSERR, "can't mount on %s twice", mount_point); 220 */ 221 if (mdata.uid == (uid_t)-1) 222 mdata.uid = st.st_uid; 223 if (mdata.gid == (gid_t)-1) 224 mdata.gid = st.st_gid; 225 if (mdata.file_mode == 0 ) 226 mdata.file_mode = st.st_mode & (S_IRWXU | S_IRWXG | S_IRWXO); 227 if (mdata.dir_mode == 0) { 228 mdata.dir_mode = mdata.file_mode; 229 if (mdata.dir_mode & S_IRUSR) 230 mdata.dir_mode |= S_IXUSR; 231 if (mdata.dir_mode & S_IRGRP) 232 mdata.dir_mode |= S_IXGRP; 233 if (mdata.dir_mode & S_IROTH) 234 mdata.dir_mode |= S_IXOTH; 235 } 236 /* 237 * For now, let connection be private for this mount 238 */ 239 ctx->ct_ssn.ioc_opt |= SMBVOPT_PRIVATE; 240 ctx->ct_ssn.ioc_owner = ctx->ct_sh.ioc_owner = 0; /* root */ 241 ctx->ct_ssn.ioc_group = ctx->ct_sh.ioc_group = mdata.gid; 242 opt = 0; 243 if (mdata.dir_mode & S_IXGRP) 244 opt |= SMBM_EXECGRP; 245 if (mdata.dir_mode & S_IXOTH) 246 opt |= SMBM_EXECOTH; 247 ctx->ct_ssn.ioc_rights |= opt; 248 ctx->ct_sh.ioc_rights |= opt; 249 error = smb_ctx_resolve(ctx); 250 if (error) 251 exit(1); 252 error = smb_ctx_lookup(ctx, SMBL_SHARE, SMBLK_CREATE); 253 if (error) { 254 exit(1); 255 } 256 strcpy(mdata.mount_point,mount_point); 257 mdata.version = SMBFS_VERSION; 258 mdata.dev = ctx->ct_fd; 259 mdata.caseopt = caseopt; 260 error = mount(SMBFS_VFSNAME, mdata.mount_point, mntflags, (void*)&mdata); 261 smb_ctx_done(ctx); 262 if (error) { 263 smb_error("mount error: %s", error, mdata.mount_point); 264 exit(1); 265 } 266 return 0; 267 } 268 269 static void 270 usage(void) 271 { 272 fprintf(stderr, "%s\n%s\n%s\n%s\n", 273 "usage: mount_smbfs [-E cs1:cs2] [-I host] [-L locale] [-M crights:srights]", 274 " [-N] [-O cowner:cgroup/sowner:sgroup] [-R retrycount]", 275 " [-T timeout] [-W workgroup] [-c case] [-d mode] [-f mode]", 276 " [-g gid] [-n opt] [-u uid] //user@server/share node"); 277 278 exit (1); 279 } 280