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- /*
- * Copyright (c) 1983 The Regents of the University of California.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
- #ifndef lint
- char copyright[] =
- "@(#) Copyright (c) 1983 The Regents of the University of California.\n\
- All rights reserved.\n";
- #endif /* not lint */
-
- #ifndef lint
- static char sccsid[] = "@(#)main.c 5.11 (Berkeley) 10/16/92";
- #endif /* not lint */
-
- #include <sys/param.h>
- #include <sys/time.h>
-
- #include <ufs/ffs/fs.h>
- #include <ufs/ufs/dinode.h>
- #include <protocols/dumprestore.h>
-
- #include <errno.h>
- #include <signal.h>
- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
-
- #include "pathnames.h"
- #include "restore.h"
- #include "extern.h"
-
- int bflag = 0, cvtflag = 0, dflag = 0, vflag = 0, yflag = 0;
- int hflag = 1, mflag = 1, Nflag = 0;
- char command = '\0';
- long dumpnum = 1;
- long volno = 0;
- long ntrec;
- char *dumpmap;
- char *clrimap;
- ino_t maxino;
- time_t dumptime;
- time_t dumpdate;
- FILE *terminal;
-
- static void err __P((const char *, ...));
- static void obsolete __P((int *, char **[]));
- static void usage __P((void));
-
- int
- main(argc, argv)
- int argc;
- char *argv[];
- {
- int ch;
- ino_t ino;
- char *inputdev = _PATH_DEFTAPE;
- char *symtbl = "./restoresymtable";
- char *p, name[MAXPATHLEN];
-
- if (argc < 2)
- usage();
-
- obsolete(&argc, &argv);
- while ((ch = getopt(argc, argv, "b:cdf:himNRrs:tvxy")) != EOF)
- switch(ch) {
- case 'b':
- /* Change default tape blocksize. */
- bflag = 1;
- ntrec = strtol(optarg, &p, 10);
- if (*p)
- err("illegal blocksize -- %s", optarg);
- if (ntrec <= 0)
- err("block size must be greater than 0");
- break;
- case 'c':
- cvtflag = 1;
- break;
- case 'd':
- dflag = 1;
- break;
- case 'f':
- inputdev = optarg;
- break;
- case 'h':
- hflag = 0;
- break;
- case 'i':
- case 'R':
- case 'r':
- case 't':
- case 'x':
- if (command != '\0')
- err("%c and %c options are mutually exclusive",
- ch, command);
- command = ch;
- break;
- case 'm':
- mflag = 0;
- break;
- case 'N':
- Nflag = 1;
- break;
- case 's':
- /* Dumpnum (skip to) for multifile dump tapes. */
- dumpnum = strtol(optarg, &p, 10);
- if (*p)
- err("illegal dump number -- %s", optarg);
- if (dumpnum <= 0)
- err("dump number must be greater than 0");
- break;
- case 'v':
- vflag = 1;
- break;
- case 'y':
- yflag = 1;
- break;
- default:
- usage();
- }
- argc -= optind;
- argv += optind;
-
- if (command == '\0')
- err("none of i, R, r, t or x options specified");
-
- if (signal(SIGINT, onintr) == SIG_IGN)
- (void) signal(SIGINT, SIG_IGN);
- if (signal(SIGTERM, onintr) == SIG_IGN)
- (void) signal(SIGTERM, SIG_IGN);
- setlinebuf(stderr);
-
- setinput(inputdev);
-
- if (argc == 0) {
- argc = 1;
- *--argv = ".";
- }
-
- switch (command) {
- /*
- * Interactive mode.
- */
- case 'i':
- setup();
- extractdirs(1);
- initsymtable(NULL);
- runcmdshell();
- break;
- /*
- * Incremental restoration of a file system.
- */
- case 'r':
- setup();
- if (dumptime > 0) {
- /*
- * This is an incremental dump tape.
- */
- vprintf(stdout, "Begin incremental restore\n");
- initsymtable(symtbl);
- extractdirs(1);
- removeoldleaves();
- vprintf(stdout, "Calculate node updates.\n");
- treescan(".", ROOTINO, nodeupdates);
- findunreflinks();
- removeoldnodes();
- } else {
- /*
- * This is a level zero dump tape.
- */
- vprintf(stdout, "Begin level 0 restore\n");
- initsymtable((char *)0);
- extractdirs(1);
- vprintf(stdout, "Calculate extraction list.\n");
- treescan(".", ROOTINO, nodeupdates);
- }
- createleaves(symtbl);
- createlinks();
- setdirmodes(FORCE);
- checkrestore();
- if (dflag) {
- vprintf(stdout, "Verify the directory structure\n");
- treescan(".", ROOTINO, verifyfile);
- }
- dumpsymtable(symtbl, (long)1);
- break;
- /*
- * Resume an incremental file system restoration.
- */
- case 'R':
- initsymtable(symtbl);
- skipmaps();
- skipdirs();
- createleaves(symtbl);
- createlinks();
- setdirmodes(FORCE);
- checkrestore();
- dumpsymtable(symtbl, (long)1);
- break;
- /*
- * List contents of tape.
- */
- case 't':
- setup();
- extractdirs(0);
- initsymtable((char *)0);
- while (argc--) {
- canon(*argv++, name);
- ino = dirlookup(name);
- if (ino == 0)
- continue;
- treescan(name, ino, listfile);
- }
- break;
- /*
- * Batch extraction of tape contents.
- */
- case 'x':
- setup();
- extractdirs(1);
- initsymtable((char *)0);
- while (argc--) {
- canon(*argv++, name);
- ino = dirlookup(name);
- if (ino == 0)
- continue;
- if (mflag)
- pathcheck(name);
- treescan(name, ino, addfile);
- }
- createfiles();
- createlinks();
- setdirmodes(0);
- if (dflag)
- checkrestore();
- break;
- }
- done(0);
- /* NOTREACHED */
- }
-
- void
- usage()
- {
- (void)fprintf(stderr, "usage:\t%s%s%s%s%s",
- "restore tfhsvy [file ...]\n",
- "\trestore xfhmsvy [file ...]\n",
- "\trestore ifhmsvy\n",
- "\trestore rfsvy\n",
- "\trestore Rfsvy\n");
- done(1);
- }
-
- /*
- * obsolete --
- * Change set of key letters and ordered arguments into something
- * getopt(3) will like.
- */
- static void
- obsolete(argcp, argvp)
- int *argcp;
- char **argvp[];
- {
- int argc, flags;
- char *ap, **argv, *flagsp, **nargv, *p;
-
- /* Setup. */
- argv = *argvp;
- argc = *argcp;
-
- /* Return if no arguments or first argument has leading dash. */
- ap = argv[1];
- if (argc == 1 || *ap == '-')
- return;
-
- /* Allocate space for new arguments. */
- if ((*argvp = nargv = malloc((argc + 1) * sizeof(char *))) == NULL ||
- (p = flagsp = malloc(strlen(ap) + 2)) == NULL)
- err("%s", strerror(errno));
-
- *nargv++ = *argv;
- argv += 2;
-
- for (flags = 0; *ap; ++ap) {
- switch(*ap) {
- case 'b':
- case 'f':
- case 's':
- if ((nargv[0] = malloc(strlen(*argv) + 2 + 1)) == NULL)
- err("%s", strerror(errno));
- nargv[0][0] = '-';
- nargv[0][1] = *ap;
- (void)strcpy(&nargv[0][2], *argv);
- if (*argv != NULL)
- ++argv;
- ++nargv;
- break;
- default:
- if (!flags) {
- *p++ = '-';
- flags = 1;
- }
- *p++ = *ap;
- break;
- }
- }
-
- /* Terminate flags. */
- if (flags) {
- *p = '\0';
- *nargv++ = flagsp;
- }
-
- /* Copy remaining arguments. */
- while (*nargv++ = *argv++);
- }
-
- #if __STDC__
- #include <stdarg.h>
- #else
- #include <varargs.h>
- #endif
-
- void
- #if __STDC__
- err(const char *fmt, ...)
- #else
- err(fmt, va_alist)
- char *fmt;
- va_dcl
- #endif
- {
- va_list ap;
- #if __STDC__
- va_start(ap, fmt);
- #else
- va_start(ap);
- #endif
- (void)fprintf(stderr, "restore: ");
- (void)vfprintf(stderr, fmt, ap);
- va_end(ap);
- (void)fprintf(stderr, "\n");
- exit(1);
- /* NOTREACHED */
- }
-