1 /* 2 * Copyright (c) 1983 The Regents of the University of California. 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 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 char copyright[] = 36 "@(#) Copyright (c) 1983 The Regents of the University of California.\n\ 37 All rights reserved.\n"; 38 #endif /* not lint */ 39 40 #ifndef lint 41 /* from: static char sccsid[] = "@(#)main.c 5.11 (Berkeley) 10/16/92"; */ 42 static char *rcsid = "$Id: main.c,v 1.3 1993/12/22 10:31:52 cgd Exp $"; 43 #endif /* not lint */ 44 45 #include <sys/param.h> 46 #include <sys/time.h> 47 48 #include <ufs/fs.h> 49 #include <ufs/dinode.h> 50 #include <protocols/dumprestore.h> 51 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 err("illegal blocksize -- %s", optarg); 101 if (ntrec <= 0) 102 err("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 err("%c and %c options are mutually exclusive", 123 ch, command); 124 command = ch; 125 break; 126 case 'm': 127 mflag = 0; 128 break; 129 case 'N': 130 Nflag = 1; 131 break; 132 case 's': 133 /* Dumpnum (skip to) for multifile dump tapes. */ 134 dumpnum = strtol(optarg, &p, 10); 135 if (*p) 136 err("illegal dump number -- %s", optarg); 137 if (dumpnum <= 0) 138 err("dump number must be greater than 0"); 139 break; 140 case 'v': 141 vflag = 1; 142 break; 143 case 'y': 144 yflag = 1; 145 break; 146 default: 147 usage(); 148 } 149 argc -= optind; 150 argv += optind; 151 152 if (command == '\0') 153 err("none of i, R, r, t or x options specified"); 154 155 if (signal(SIGINT, onintr) == SIG_IGN) 156 (void) signal(SIGINT, SIG_IGN); 157 if (signal(SIGTERM, onintr) == SIG_IGN) 158 (void) signal(SIGTERM, SIG_IGN); 159 setlinebuf(stderr); 160 161 setinput(inputdev); 162 163 if (argc == 0) { 164 argc = 1; 165 *--argv = "."; 166 } 167 168 switch (command) { 169 /* 170 * Interactive mode. 171 */ 172 case 'i': 173 setup(); 174 extractdirs(1); 175 initsymtable(NULL); 176 runcmdshell(); 177 break; 178 /* 179 * Incremental restoration of a file system. 180 */ 181 case 'r': 182 setup(); 183 if (dumptime > 0) { 184 /* 185 * This is an incremental dump tape. 186 */ 187 vprintf(stdout, "Begin incremental restore\n"); 188 initsymtable(symtbl); 189 extractdirs(1); 190 removeoldleaves(); 191 vprintf(stdout, "Calculate node updates.\n"); 192 treescan(".", ROOTINO, nodeupdates); 193 findunreflinks(); 194 removeoldnodes(); 195 } else { 196 /* 197 * This is a level zero dump tape. 198 */ 199 vprintf(stdout, "Begin level 0 restore\n"); 200 initsymtable((char *)0); 201 extractdirs(1); 202 vprintf(stdout, "Calculate extraction list.\n"); 203 treescan(".", ROOTINO, nodeupdates); 204 } 205 createleaves(symtbl); 206 createlinks(); 207 setdirmodes(FORCE); 208 checkrestore(); 209 if (dflag) { 210 vprintf(stdout, "Verify the directory structure\n"); 211 treescan(".", ROOTINO, verifyfile); 212 } 213 dumpsymtable(symtbl, (long)1); 214 break; 215 /* 216 * Resume an incremental file system restoration. 217 */ 218 case 'R': 219 initsymtable(symtbl); 220 skipmaps(); 221 skipdirs(); 222 createleaves(symtbl); 223 createlinks(); 224 setdirmodes(FORCE); 225 checkrestore(); 226 dumpsymtable(symtbl, (long)1); 227 break; 228 /* 229 * List contents of tape. 230 */ 231 case 't': 232 setup(); 233 extractdirs(0); 234 initsymtable((char *)0); 235 while (argc--) { 236 canon(*argv++, name); 237 ino = dirlookup(name); 238 if (ino == 0) 239 continue; 240 treescan(name, ino, listfile); 241 } 242 break; 243 /* 244 * Batch extraction of tape contents. 245 */ 246 case 'x': 247 setup(); 248 extractdirs(1); 249 initsymtable((char *)0); 250 while (argc--) { 251 canon(*argv++, name); 252 ino = dirlookup(name); 253 if (ino == 0) 254 continue; 255 if (mflag) 256 pathcheck(name); 257 treescan(name, ino, addfile); 258 } 259 createfiles(); 260 createlinks(); 261 setdirmodes(0); 262 if (dflag) 263 checkrestore(); 264 break; 265 } 266 done(0); 267 /* NOTREACHED */ 268 } 269 270 void 271 usage() 272 { 273 (void)fprintf(stderr, "usage:\t%s%s%s%s%s", 274 "restore tfhsvy [file ...]\n", 275 "\trestore xfhmsvy [file ...]\n", 276 "\trestore ifhmsvy\n", 277 "\trestore rfsvy\n", 278 "\trestore Rfsvy\n"); 279 done(1); 280 } 281 282 /* 283 * obsolete -- 284 * Change set of key letters and ordered arguments into something 285 * getopt(3) will like. 286 */ 287 static void 288 obsolete(argcp, argvp) 289 int *argcp; 290 char **argvp[]; 291 { 292 int argc, flags; 293 char *ap, **argv, *flagsp, **nargv, *p; 294 295 /* Setup. */ 296 argv = *argvp; 297 argc = *argcp; 298 299 /* Return if no arguments or first argument has leading dash. */ 300 ap = argv[1]; 301 if (argc == 1 || *ap == '-') 302 return; 303 304 /* Allocate space for new arguments. */ 305 if ((*argvp = nargv = malloc((argc + 1) * sizeof(char *))) == NULL || 306 (p = flagsp = malloc(strlen(ap) + 2)) == NULL) 307 err("%s", strerror(errno)); 308 309 *nargv++ = *argv; 310 argv += 2; 311 312 for (flags = 0; *ap; ++ap) { 313 switch(*ap) { 314 case 'b': 315 case 'f': 316 case 's': 317 if ((nargv[0] = malloc(strlen(*argv) + 2 + 1)) == NULL) 318 err("%s", strerror(errno)); 319 nargv[0][0] = '-'; 320 nargv[0][1] = *ap; 321 (void)strcpy(&nargv[0][2], *argv); 322 if (*argv != NULL) 323 ++argv; 324 ++nargv; 325 break; 326 default: 327 if (!flags) { 328 *p++ = '-'; 329 flags = 1; 330 } 331 *p++ = *ap; 332 break; 333 } 334 } 335 336 /* Terminate flags. */ 337 if (flags) { 338 *p = '\0'; 339 *nargv++ = flagsp; 340 } 341 342 /* Copy remaining arguments. */ 343 while (*nargv++ = *argv++); 344 } 345 346 #if __STDC__ 347 #include <stdarg.h> 348 #else 349 #include <varargs.h> 350 #endif 351