1 /* 2 * Copyright (c) 1983, 1993 3 * The Regents of the University of California. 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 the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34 #ifndef lint 35 static char copyright[] = 36 "@(#) Copyright (c) 1983, 1993\n\ 37 The Regents of the University of California. All rights reserved.\n"; 38 #endif /* not lint */ 39 40 #ifndef lint 41 static char sccsid[] = "@(#)main.c 8.2 (Berkeley) 1/7/94"; 42 #endif /* not lint */ 43 44 #include <sys/param.h> 45 #include <sys/time.h> 46 47 #include <ufs/ffs/fs.h> 48 #include <ufs/ufs/dinode.h> 49 #include <protocols/dumprestore.h> 50 51 #include <err.h> 52 #include <errno.h> 53 #include <signal.h> 54 #include <stdio.h> 55 #include <stdlib.h> 56 #include <string.h> 57 58 #include "pathnames.h" 59 #include "restore.h" 60 #include "extern.h" 61 62 int bflag = 0, cvtflag = 0, dflag = 0, vflag = 0, yflag = 0; 63 int hflag = 1, mflag = 1, Nflag = 0; 64 char command = '\0'; 65 long dumpnum = 1; 66 long volno = 0; 67 long ntrec; 68 char *dumpmap; 69 char *clrimap; 70 ino_t maxino; 71 time_t dumptime; 72 time_t dumpdate; 73 FILE *terminal; 74 75 static void obsolete __P((int *, char **[])); 76 static void usage __P((void)); 77 78 int 79 main(argc, argv) 80 int argc; 81 char *argv[]; 82 { 83 int ch; 84 ino_t ino; 85 char *inputdev = _PATH_DEFTAPE; 86 char *symtbl = "./restoresymtable"; 87 char *p, name[MAXPATHLEN]; 88 89 if (argc < 2) 90 usage(); 91 92 obsolete(&argc, &argv); 93 while ((ch = getopt(argc, argv, "b:cdf:himNRrs:tvxy")) != EOF) 94 switch(ch) { 95 case 'b': 96 /* Change default tape blocksize. */ 97 bflag = 1; 98 ntrec = strtol(optarg, &p, 10); 99 if (*p) 100 errx(1, "illegal blocksize -- %s", optarg); 101 if (ntrec <= 0) 102 errx(1, "block size must be greater than 0"); 103 break; 104 case 'c': 105 cvtflag = 1; 106 break; 107 case 'd': 108 dflag = 1; 109 break; 110 case 'f': 111 inputdev = optarg; 112 break; 113 case 'h': 114 hflag = 0; 115 break; 116 case 'i': 117 case 'R': 118 case 'r': 119 case 't': 120 case 'x': 121 if (command != '\0') 122 errx(1, 123 "%c and %c options are mutually exclusive", 124 ch, command); 125 command = ch; 126 break; 127 case 'm': 128 mflag = 0; 129 break; 130 case 'N': 131 Nflag = 1; 132 break; 133 case 's': 134 /* Dumpnum (skip to) for multifile dump tapes. */ 135 dumpnum = strtol(optarg, &p, 10); 136 if (*p) 137 errx(1, "illegal dump number -- %s", optarg); 138 if (dumpnum <= 0) 139 errx(1, "dump number must be greater than 0"); 140 break; 141 case 'v': 142 vflag = 1; 143 break; 144 case 'y': 145 yflag = 1; 146 break; 147 default: 148 usage(); 149 } 150 argc -= optind; 151 argv += optind; 152 153 if (command == '\0') 154 errx(1, "none of i, R, r, t or x options specified"); 155 156 if (signal(SIGINT, onintr) == SIG_IGN) 157 (void) signal(SIGINT, SIG_IGN); 158 if (signal(SIGTERM, onintr) == SIG_IGN) 159 (void) signal(SIGTERM, SIG_IGN); 160 setlinebuf(stderr); 161 162 setinput(inputdev); 163 164 if (argc == 0) { 165 argc = 1; 166 *--argv = "."; 167 } 168 169 switch (command) { 170 /* 171 * Interactive mode. 172 */ 173 case 'i': 174 setup(); 175 extractdirs(1); 176 initsymtable(NULL); 177 runcmdshell(); 178 break; 179 /* 180 * Incremental restoration of a file system. 181 */ 182 case 'r': 183 setup(); 184 if (dumptime > 0) { 185 /* 186 * This is an incremental dump tape. 187 */ 188 vprintf(stdout, "Begin incremental restore\n"); 189 initsymtable(symtbl); 190 extractdirs(1); 191 removeoldleaves(); 192 vprintf(stdout, "Calculate node updates.\n"); 193 treescan(".", ROOTINO, nodeupdates); 194 findunreflinks(); 195 removeoldnodes(); 196 } else { 197 /* 198 * This is a level zero dump tape. 199 */ 200 vprintf(stdout, "Begin level 0 restore\n"); 201 initsymtable((char *)0); 202 extractdirs(1); 203 vprintf(stdout, "Calculate extraction list.\n"); 204 treescan(".", ROOTINO, nodeupdates); 205 } 206 createleaves(symtbl); 207 createlinks(); 208 setdirmodes(FORCE); 209 checkrestore(); 210 if (dflag) { 211 vprintf(stdout, "Verify the directory structure\n"); 212 treescan(".", ROOTINO, verifyfile); 213 } 214 dumpsymtable(symtbl, (long)1); 215 break; 216 /* 217 * Resume an incremental file system restoration. 218 */ 219 case 'R': 220 initsymtable(symtbl); 221 skipmaps(); 222 skipdirs(); 223 createleaves(symtbl); 224 createlinks(); 225 setdirmodes(FORCE); 226 checkrestore(); 227 dumpsymtable(symtbl, (long)1); 228 break; 229 /* 230 * List contents of tape. 231 */ 232 case 't': 233 setup(); 234 extractdirs(0); 235 initsymtable((char *)0); 236 while (argc--) { 237 canon(*argv++, name); 238 ino = dirlookup(name); 239 if (ino == 0) 240 continue; 241 treescan(name, ino, listfile); 242 } 243 break; 244 /* 245 * Batch extraction of tape contents. 246 */ 247 case 'x': 248 setup(); 249 extractdirs(1); 250 initsymtable((char *)0); 251 while (argc--) { 252 canon(*argv++, name); 253 ino = dirlookup(name); 254 if (ino == 0) 255 continue; 256 if (mflag) 257 pathcheck(name); 258 treescan(name, ino, addfile); 259 } 260 createfiles(); 261 createlinks(); 262 setdirmodes(0); 263 if (dflag) 264 checkrestore(); 265 break; 266 } 267 done(0); 268 /* NOTREACHED */ 269 } 270 271 static void 272 usage() 273 { 274 (void)fprintf(stderr, "usage:\t%s%s%s%s%s", 275 "restore tfhsvy [file ...]\n", 276 "\trestore xfhmsvy [file ...]\n", 277 "\trestore ifhmsvy\n", 278 "\trestore rfsvy\n", 279 "\trestore Rfsvy\n"); 280 done(1); 281 } 282 283 /* 284 * obsolete -- 285 * Change set of key letters and ordered arguments into something 286 * getopt(3) will like. 287 */ 288 static void 289 obsolete(argcp, argvp) 290 int *argcp; 291 char **argvp[]; 292 { 293 int argc, flags; 294 char *ap, **argv, *flagsp, **nargv, *p; 295 296 /* Setup. */ 297 argv = *argvp; 298 argc = *argcp; 299 300 /* Return if no arguments or first argument has leading dash. */ 301 ap = argv[1]; 302 if (argc == 1 || *ap == '-') 303 return; 304 305 /* Allocate space for new arguments. */ 306 if ((*argvp = nargv = malloc((argc + 1) * sizeof(char *))) == NULL || 307 (p = flagsp = malloc(strlen(ap) + 2)) == NULL) 308 err(1, NULL); 309 310 *nargv++ = *argv; 311 argv += 2; 312 313 for (flags = 0; *ap; ++ap) { 314 switch(*ap) { 315 case 'b': 316 case 'f': 317 case 's': 318 if ((nargv[0] = malloc(strlen(*argv) + 2 + 1)) == NULL) 319 err(1, NULL); 320 nargv[0][0] = '-'; 321 nargv[0][1] = *ap; 322 (void)strcpy(&nargv[0][2], *argv); 323 if (*argv != NULL) 324 ++argv; 325 ++nargv; 326 break; 327 default: 328 if (!flags) { 329 *p++ = '-'; 330 flags = 1; 331 } 332 *p++ = *ap; 333 break; 334 } 335 } 336 337 /* Terminate flags. */ 338 if (flags) { 339 *p = '\0'; 340 *nargv++ = flagsp; 341 } 342 343 /* Copy remaining arguments. */ 344 while (*nargv++ = *argv++); 345 } 346