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6412184028
2.2 candidate (and -stable too actually, who does that?) Reviewed by: Warner Losh
353 lines
7.8 KiB
C
353 lines
7.8 KiB
C
/*
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* Copyright (c) 1983, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef lint
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static char copyright[] =
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"@(#) Copyright (c) 1983, 1993\n\
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The Regents of the University of California. All rights reserved.\n";
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#endif /* not lint */
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#ifndef lint
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static char sccsid[] = "@(#)main.c 8.2 (Berkeley) 1/7/94";
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#endif /* not lint */
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#include <sys/param.h>
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#include <sys/time.h>
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#include <ufs/ffs/fs.h>
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#include <ufs/ufs/dinode.h>
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#include <protocols/dumprestore.h>
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#include <err.h>
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#include <errno.h>
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#include <signal.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "pathnames.h"
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#include "restore.h"
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#include "extern.h"
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int bflag = 0, cvtflag = 0, dflag = 0, vflag = 0, yflag = 0;
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int hflag = 1, mflag = 1, Nflag = 0;
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char command = '\0';
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long dumpnum = 1;
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long volno = 0;
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long ntrec;
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char *dumpmap;
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char *clrimap;
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ino_t maxino;
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time_t dumptime;
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time_t dumpdate;
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FILE *terminal;
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static void obsolete __P((int *, char **[]));
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static void usage __P((void));
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int
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main(argc, argv)
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int argc;
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char *argv[];
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{
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int ch;
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ino_t ino;
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char *inputdev;
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char *symtbl = "./restoresymtable";
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char *p, name[MAXPATHLEN];
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/* Temp files should *not* be readable. We set permissions later. */
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(void) umask(077);
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if (argc < 2)
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usage();
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if ((inputdev = getenv("TAPE")) == NULL)
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inputdev = _PATH_DEFTAPE;
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obsolete(&argc, &argv);
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while ((ch = getopt(argc, argv, "b:cdf:himNRrs:tvxy")) != EOF)
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switch(ch) {
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case 'b':
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/* Change default tape blocksize. */
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bflag = 1;
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ntrec = strtol(optarg, &p, 10);
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if (*p)
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errx(1, "illegal blocksize -- %s", optarg);
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if (ntrec <= 0)
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errx(1, "block size must be greater than 0");
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break;
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case 'c':
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cvtflag = 1;
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break;
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case 'd':
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dflag = 1;
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break;
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case 'f':
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inputdev = optarg;
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break;
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case 'h':
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hflag = 0;
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break;
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case 'i':
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case 'R':
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case 'r':
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case 't':
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case 'x':
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if (command != '\0')
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errx(1,
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"%c and %c options are mutually exclusive",
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ch, command);
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command = ch;
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break;
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case 'm':
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mflag = 0;
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break;
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case 'N':
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Nflag = 1;
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break;
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case 's':
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/* Dumpnum (skip to) for multifile dump tapes. */
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dumpnum = strtol(optarg, &p, 10);
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if (*p)
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errx(1, "illegal dump number -- %s", optarg);
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if (dumpnum <= 0)
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errx(1, "dump number must be greater than 0");
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break;
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case 'v':
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vflag = 1;
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break;
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case 'y':
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yflag = 1;
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break;
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default:
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usage();
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}
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argc -= optind;
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argv += optind;
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if (command == '\0')
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errx(1, "none of i, R, r, t or x options specified");
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if (signal(SIGINT, onintr) == SIG_IGN)
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(void) signal(SIGINT, SIG_IGN);
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if (signal(SIGTERM, onintr) == SIG_IGN)
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(void) signal(SIGTERM, SIG_IGN);
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setlinebuf(stderr);
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setinput(inputdev);
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if (argc == 0) {
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argc = 1;
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*--argv = ".";
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}
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switch (command) {
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/*
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* Interactive mode.
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*/
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case 'i':
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setup();
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extractdirs(1);
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initsymtable(NULL);
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runcmdshell();
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break;
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/*
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* Incremental restoration of a file system.
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*/
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case 'r':
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setup();
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if (dumptime > 0) {
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/*
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* This is an incremental dump tape.
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*/
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vprintf(stdout, "Begin incremental restore\n");
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initsymtable(symtbl);
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extractdirs(1);
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removeoldleaves();
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vprintf(stdout, "Calculate node updates.\n");
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treescan(".", ROOTINO, nodeupdates);
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findunreflinks();
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removeoldnodes();
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} else {
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/*
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* This is a level zero dump tape.
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*/
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vprintf(stdout, "Begin level 0 restore\n");
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initsymtable((char *)0);
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extractdirs(1);
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vprintf(stdout, "Calculate extraction list.\n");
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treescan(".", ROOTINO, nodeupdates);
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}
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createleaves(symtbl);
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createlinks();
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setdirmodes(FORCE);
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checkrestore();
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if (dflag) {
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vprintf(stdout, "Verify the directory structure\n");
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treescan(".", ROOTINO, verifyfile);
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}
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dumpsymtable(symtbl, (long)1);
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break;
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/*
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* Resume an incremental file system restoration.
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*/
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case 'R':
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initsymtable(symtbl);
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skipmaps();
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skipdirs();
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createleaves(symtbl);
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createlinks();
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setdirmodes(FORCE);
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checkrestore();
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dumpsymtable(symtbl, (long)1);
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break;
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/*
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* List contents of tape.
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*/
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case 't':
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setup();
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extractdirs(0);
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initsymtable((char *)0);
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while (argc--) {
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canon(*argv++, name, sizeof(name));
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ino = dirlookup(name);
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if (ino == 0)
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continue;
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treescan(name, ino, listfile);
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}
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break;
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/*
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* Batch extraction of tape contents.
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*/
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case 'x':
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setup();
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extractdirs(1);
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initsymtable((char *)0);
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while (argc--) {
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canon(*argv++, name, sizeof(name));
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ino = dirlookup(name);
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if (ino == 0)
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continue;
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if (mflag)
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pathcheck(name);
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treescan(name, ino, addfile);
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}
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createfiles();
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createlinks();
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setdirmodes(0);
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if (dflag)
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checkrestore();
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break;
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}
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done(0);
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/* NOTREACHED */
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}
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static void
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usage()
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{
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(void)fprintf(stderr, "usage:\t%s%s%s%s%s",
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"restore tfhsvy [file ...]\n",
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"\trestore xfhmsvy [file ...]\n",
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"\trestore ifhmsvy\n",
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"\trestore rfsvy\n",
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"\trestore Rfsvy\n");
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done(1);
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}
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/*
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* obsolete --
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* Change set of key letters and ordered arguments into something
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* getopt(3) will like.
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*/
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static void
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obsolete(argcp, argvp)
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int *argcp;
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char **argvp[];
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{
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int argc, flags;
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char *ap, **argv, *flagsp, **nargv, *p;
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/* Setup. */
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argv = *argvp;
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argc = *argcp;
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/* Return if no arguments or first argument has leading dash. */
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ap = argv[1];
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if (argc == 1 || *ap == '-')
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return;
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/* Allocate space for new arguments. */
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if ((*argvp = nargv = malloc((argc + 1) * sizeof(char *))) == NULL ||
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(p = flagsp = malloc(strlen(ap) + 2)) == NULL)
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err(1, NULL);
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*nargv++ = *argv;
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argv += 2, argc -= 2;
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for (flags = 0; *ap; ++ap) {
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switch(*ap) {
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case 'b':
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case 'f':
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case 's':
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if (argc < 1)
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usage();
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if ((nargv[0] = malloc(strlen(*argv) + 2 + 1)) == NULL)
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err(1, NULL);
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nargv[0][0] = '-';
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nargv[0][1] = *ap;
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(void)strcpy(&nargv[0][2], *argv);
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if (*argv != NULL)
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++argv;
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++nargv;
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break;
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default:
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if (!flags) {
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*p++ = '-';
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flags = 1;
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}
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*p++ = *ap;
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break;
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}
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}
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/* Terminate flags. */
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if (flags) {
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*p = '\0';
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*nargv++ = flagsp;
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}
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/* Copy remaining arguments. */
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while (*nargv++ = *argv++);
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}
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