123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246 |
- /* dosfsck.c - User interface
- Copyright (C) 1993 Werner Almesberger <werner.almesberger@lrc.di.epfl.ch>
- Copyright (C) 1998 Roman Hodek <Roman.Hodek@informatik.uni-erlangen.de>
- Copyright (C) 2008-2013 Daniel Baumann <mail@daniel-baumann.ch>
- Copyright (C) 2013 Manoel Trapier <godzil@godzil.net>
- This program is free software: you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation, either version 3 of the License, or
- (at your option) any later version.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
- On Debian systems, the complete text of the GNU General Public License
- can be found in /usr/share/common-licenses/GPL-3 file.
- */
- /* FAT32, VFAT, Atari format support, and various fixes additions May 1998
- * by Roman Hodek <Roman.Hodek@informatik.uni-erlangen.de> */
- #include "version.h"
- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
- #include <stdlib.h>
- #include <unistd.h>
- #include <getopt.h>
- #include "common.h"
- #include "dosfsck.h"
- #include "io.h"
- #include "boot.h"
- #include "fat.h"
- #include "file.h"
- #include "check.h"
- #include "ui.h"
- int interactive = 0, rw = 0, list = 0, test = 0, verbose = 0, write_immed = 0;
- extern int output_ui_fd, output_ui;
- int atari_format = 0, boot_only = 0;
- unsigned n_files = 0;
- void *mem_queue = NULL;
- static void usage(char *name)
- {
- fprintf(stderr, "usage: %s [-aAbflrtvVwy] [-d path -d ...] "
- "[-u path -u ...]\n%15sdevice\n", name, "");
- fprintf(stderr, " -a automatically repair the file system\n");
- fprintf(stderr, " -A toggle Atari file system format\n");
- fprintf(stderr, " -b make read-only boot sector check\n");
- fprintf(stderr, " -d path drop that file\n");
- fprintf(stderr, " -f salvage unused chains to files\n");
- fprintf(stderr, " -l list path names\n");
- fprintf(stderr, " -C [fd] Display completion to fd file descriptor\n");
- fprintf(stderr,
- " -n no-op, check non-interactively without changing\n");
- fprintf(stderr, " -p same as -a, for compat with other *fsck\n");
- fprintf(stderr, " -r interactively repair the file system\n");
- fprintf(stderr, " -t test for bad clusters\n");
- fprintf(stderr, " -u path try to undelete that (non-directory) file\n");
- fprintf(stderr, " -v verbose mode\n");
- fprintf(stderr, " -V perform a verification pass\n");
- fprintf(stderr, " -w write changes to disk immediately\n");
- fprintf(stderr, " -y same as -a, for compat with other *fsck\n");
- exit(2);
- }
- /*
- * ++roman: On m68k, check if this is an Atari; if yes, turn on Atari variant
- * of MS-DOS filesystem by default.
- */
- static void check_atari(void)
- {
- #ifdef __mc68000__
- FILE *f;
- char line[128], *p;
- if (!(f = fopen("/proc/hardware", "r"))) {
- perror("/proc/hardware");
- return;
- }
- while (fgets(line, sizeof(line), f)) {
- if (strncmp(line, "Model:", 6) == 0) {
- p = line + 6;
- p += strspn(p, " \t");
- if (strncmp(p, "Atari ", 6) == 0)
- atari_format = 1;
- break;
- }
- }
- fclose(f);
- #endif
- }
- int main(int argc, char **argv)
- {
- DOS_FS fs;
- int salvage_files, verify, c;
- unsigned n_files_check = 0, n_files_verify = 0;
- unsigned long free_clusters;
- memset(&fs, 0, sizeof(fs));
- rw = salvage_files = verify = 0;
- interactive = 1;
- check_atari();
- while ((c = getopt(argc, argv, "Aad:bC:flnprtu:vVwy")) != EOF)
- switch (c) {
- case 'A': /* toggle Atari format */
- atari_format = !atari_format;
- break;
- case 'a':
- case 'p':
- case 'y':
- rw = 1;
- interactive = 0;
- salvage_files = 1;
- break;
- case 'b':
- rw = 0;
- interactive = 0;
- boot_only = 1;
- break;
- case 'd':
- file_add(optarg, fdt_drop);
- break;
- case 'f':
- salvage_files = 1;
- break;
- case 'l':
- list = 1;
- break;
- case 'n':
- rw = 0;
- interactive = 0;
- break;
- case 'r':
- rw = 1;
- interactive = 1;
- break;
- case 't':
- test = 1;
- break;
- case 'u':
- file_add(optarg, fdt_undelete);
- break;
- case 'v':
- verbose = 1;
- printf("dosfsck " VERSION " (" VERSION_DATE ")\n");
- break;
- case 'V':
- verify = 1;
- break;
- case 'w':
- write_immed = 1;
- break;
- case 'C':
- output_ui_fd = atoi(optarg);
- output_ui = 1;
- break;
- default:
- usage(argv[0]);
- }
- if ((test || write_immed) && !rw) {
- fprintf(stderr, "-t and -w require -a or -r\n");
- exit(2);
- }
- if (optind != argc - 1)
- usage(argv[0]);
- printf("dosfsck " VERSION ", " VERSION_DATE ", FAT32, LFN\n");
- /* Now open FileSystem, and do all the checks.. */
- fs_open(argv[optind], rw);
- ui_set_device(argv[optind]);
- ui_print_new_pass("Checking boot sector...");
- read_boot(&fs);
- if (boot_only)
- goto exit;
- if (verify)
- printf("Starting check/repair pass.\n");
- ui_print_new_pass("Scanning FAT...");
- while (read_fat(&fs), scan_root(&fs))
- qfree(&mem_queue);
- if (test) {
- ui_print_new_pass("Fix bad FAT...");
- fix_bad(&fs);
- }
- if (salvage_files) {
- ui_print_new_pass("Reclaim bad file...");
- reclaim_file(&fs);
- }
- else {
- ui_print_new_pass("Reclaim free space...");
- reclaim_free(&fs);
- }
- ui_print_new_pass("Verify free clusters...");
- free_clusters = update_free(&fs);
- file_unused();
- qfree(&mem_queue);
- n_files_check = n_files;
- if (verify) {
- n_files = 0;
- printf("Starting verification pass.\n");
- ui_print_new_pass("Starting verification pass...");
- read_fat(&fs);
- scan_root(&fs);
- reclaim_free(&fs);
- qfree(&mem_queue);
- n_files_verify = n_files;
- }
- exit:
- if (fs_changed()) {
- if (rw) {
- if (interactive)
- rw = get_key("yn", "Perform changes ? (y/n)") == 'y';
- else {
- ui_print_new_pass("Performing changes...");
- printf("Performing changes.\n");
- }
- } else
- printf("Leaving file system unchanged.\n");
- }
- printf("%s: %u files, %lu/%lu clusters\n", argv[optind],
- n_files, fs.clusters - free_clusters, fs.clusters);
- return fs_close(rw) ? 1 : 0;
- }
|