main() { read_boot(2); fat=(char *)malloc(s0->secperfat*512); absread(2,s0->secperfat,1,fat); mark_16b(10373,0xfff7,fat); abswrite(2,s0->secperfat,1,fat); }
int main(int argc, char *argv[]) { DOS_FS fs; rw = 0; char *device = NULL; char *label = NULL; check_atari(); if (argc < 2 || argc > 3) usage(1); if (!strcmp(argv[1], "-h") || !strcmp(argv[1], "--help")) usage(0); else if (!strcmp(argv[1], "-V") || !strcmp(argv[1], "--version")) { printf( "dosfslabel " VERSION ", " VERSION_DATE ", FAT32, LFN\n" ); exit(0); } device = argv[1]; if (argc == 3) { label = argv[2]; if (strlen(label) > 11) { fprintf(stderr, "dosfslabel: labels can be no longer than 11 characters\n"); exit(1); } rw = 1; } fs_open(device, rw); read_boot(&fs); if (!rw) { fprintf(stdout, "%s\n", fs.label); exit(0); } write_label(&fs, label); fs_close(rw); return 0; }
NTSTATUS WINAPI VfatChkdsk(IN PUNICODE_STRING DriveRoot, IN BOOLEAN FixErrors, IN BOOLEAN Verbose, IN BOOLEAN CheckOnlyIfDirty, IN BOOLEAN ScanDrive, IN PFMIFSCALLBACK Callback) { #if 0 BOOLEAN verify; BOOLEAN salvage_files; #endif //ULONG free_clusters; //DOS_FS fs; /* Store callback pointer */ ChkdskCallback = Callback; FsCheckMemQueue = NULL; /* Set parameters */ FsCheckFlags = 0; if (Verbose) FsCheckFlags |= FSCHECK_VERBOSE; FsCheckTotalFiles = 0; #if 0 verify = TRUE; salvage_files = TRUE; /* Open filesystem */ fs_open(DriveRoot,FixErrors); if (CheckOnlyIfDirty && !fs_isdirty()) { /* No need to check FS */ return fs_close(FALSE); } read_boot(&fs); if (verify) VfatPrint("Starting check/repair pass.\n"); while (read_fat(&fs), scan_root(&fs)) qfree(&FsCheckMemQueue); if (ScanDrive) fix_bad(&fs); if (salvage_files) reclaim_file(&fs); else reclaim_free(&fs); free_clusters = update_free(&fs); file_unused(); qfree(&FsCheckMemQueue); if (verify) { VfatPrint("Starting verification pass.\n"); read_fat(&fs); scan_root(&fs); reclaim_free(&fs); qfree(&FsCheckMemQueue); } if (fs_changed()) { if (FixErrors) { if (FsCheckFlags & FSCHECK_INTERACTIVE) FixErrors = get_key("yn","Perform changes ? (y/n)") == 'y'; else VfatPrint("Performing changes.\n"); } else { VfatPrint("Leaving file system unchanged.\n"); } } VfatPrint("%wZ: %u files, %lu/%lu clusters\n", DriveRoot, FsCheckTotalFiles, fs.clusters - free_clusters, fs.clusters ); if (FixErrors) { /* Dismount the volume */ fs_dismount(); /* Unlock the volume */ fs_lock(FALSE); } /* Close the volume */ return fs_close(FixErrors) ? STATUS_SUCCESS : STATUS_UNSUCCESSFUL; #else return STATUS_SUCCESS; #endif }
int main(int argc, char **argv) { DOS_FS fs; int salvage_files, verify, c; uint32_t free_clusters = 0; memset(&fs, 0, sizeof(fs)); salvage_files = verify = 0; rw = interactive = 1; check_atari(); while ((c = getopt(argc, argv, "Aac:d:bflnprtu:vVwy")) != -1) 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 'c': set_dos_codepage(atoi(optarg)); 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; break; case 'V': verify = 1; break; case 'w': write_immed = 1; break; default: usage(argv[0]); } set_dos_codepage(-1); /* set default codepage if none was given in command line */ if ((test || write_immed) && !rw) { fprintf(stderr, "-t and -w can not be used in read only mode\n"); exit(2); } if (optind != argc - 1) usage(argv[0]); printf("fsck.fat " VERSION " (" VERSION_DATE ")\n"); fs_open(argv[optind], rw); read_boot(&fs); if (boot_only) goto exit; if (verify) printf("Starting check/repair pass.\n"); while (read_fat(&fs), scan_root(&fs)) qfree(&mem_queue); if (test) fix_bad(&fs); if (salvage_files) reclaim_file(&fs); else reclaim_free(&fs); free_clusters = update_free(&fs); file_unused(); qfree(&mem_queue); if (verify) { n_files = 0; printf("Starting verification pass.\n"); read_fat(&fs); scan_root(&fs); reclaim_free(&fs); qfree(&mem_queue); } exit: if (fs_changed()) { if (rw) { if (interactive) rw = get_key("yn", "Perform changes ? (y/n)") == 'y'; else printf("Performing changes.\n"); } else printf("Leaving filesystem unchanged.\n"); } if (!boot_only) printf("%s: %u files, %lu/%lu clusters\n", argv[optind], n_files, (unsigned long)fs.clusters - free_clusters, (unsigned long)fs.clusters); return fs_close(rw) ? 1 : 0; }
int main(int argc,char **argv) { DOS_FS fs; int rw,salvage_files,verify,c; unsigned n_files_check=0, n_files_verify=0; unsigned long free_clusters; rw = salvage_files = verify = 0; interactive = 1; check_atari(); while ((c = getopt(argc,argv,"Aad: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 '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; 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" ); fs_open(argv[optind],rw); read_boot(&fs); if (verify) printf("Starting check/repair pass.\n"); while (read_fat(&fs), scan_root(&fs)) qfree(&mem_queue); if (test) fix_bad(&fs); if (salvage_files) reclaim_file(&fs); else reclaim_free(&fs); 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"); read_fat(&fs); scan_root(&fs); reclaim_free(&fs); qfree(&mem_queue); n_files_verify = n_files; } if (fs_changed()) { if (rw) { if (interactive) rw = get_key("yn","Perform changes ? (y/n)") == 'y'; else 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; }
/* * Boot manager installation/configuration utility. */ int main(int argc, char *argv[]) { char *endptr; const char *iplpath = "/boot/boot0", *menupath = "/boot/boot0.5"; char *iplbakpath = NULL, *menubakpath = NULL; char *disk; int B_flag = 0; int c; int fd1; int n; int secsize = 512; int v_flag = 0, version; while ((c = getopt(argc, argv, "BF:f:i:m:s:v:")) != -1) { switch (c) { case 'B': B_flag = 1; break; case 'F': menubakpath = optarg; break; case 'f': iplbakpath = optarg; break; case 'i': iplpath = optarg; break; case 'm': menupath = optarg; break; case 's': secsize = strtol(optarg, &endptr, 0); if (errno || *optarg == '\0' || *endptr) errx(1, "%s: Bad argument to -s option", optarg); switch (secsize) { case 256: case 512: case 1024: case 2048: break; default: errx(1, "%s: unsupported sector size", optarg); break; } break; case 'v': v_flag = 1; version = strtol(optarg, &endptr, 0); if (errno || *optarg == '\0' || *endptr || version < 0 || version > 255) errx(1, "%s: Bad argument to -v option", optarg); break; default: usage(); /* NOTREACHED */ break; } } argc -= optind; argv += optind; if (argc != 1) usage(); disk = mkrdev(*argv); read_boot(disk, boot0buf); if (iplbakpath != NULL) { fd1 = open(iplbakpath, O_WRONLY | O_CREAT | O_TRUNC, 0666); if (fd1 < 0) err(1, "%s", iplbakpath); n = write(fd1, boot0buf, IPLSIZE); if (n == -1) err(1, "%s", iplbakpath); if (n != IPLSIZE) errx(1, "%s: short write", iplbakpath); close(fd1); } if (menubakpath != NULL) { fd1 = open(menubakpath, O_WRONLY | O_CREAT | O_TRUNC, 0666); if (fd1 < 0) err(1, "%s", menubakpath); n = write(fd1, boot0buf + BOOTMENUOFF, BOOTMENUSIZE); if (n == -1) err(1, "%s", menubakpath); if (n != BOOTMENUSIZE) errx(1, "%s: short write", menubakpath); close(fd1); } if (B_flag) { /* Read IPL (boot0). */ fd1 = open(iplpath, O_RDONLY); if (fd1 < 0) err(1, "%s", disk); n = read(fd1, ipl, IPLSIZE); if (n < 0) err(1, "%s", iplpath); if (n != IPLSIZE) errx(1, "%s: invalid file", iplpath); close(fd1); /* Read HDD boot menu (boot0.5). */ fd1 = open(menupath, O_RDONLY); if (fd1 < 0) err(1, "%s", disk); n = read(fd1, menu, BOOTMENUSIZE); if (n < 0) err(1, "%s", menupath); if (n != BOOTMENUSIZE) errx(1, "%s: invalid file", menupath); close(fd1); memcpy(boot0buf, ipl, IPLSIZE); memcpy(boot0buf + BOOTMENUOFF, menu, BOOTMENUSIZE); } /* Set version number field. */ if (v_flag) *(boot0buf + secsize - 4) = (u_char)version; if (B_flag || v_flag) write_boot(disk, boot0buf); return 0; }
static int biosboot(gpt_t gpt, daddr_t start, uint64_t size, u_int entry, uint8_t *label, const char *bootpath) { map_t mbrmap, m; struct mbr *mbr, *bootcode; unsigned int i; struct gpt_ent *ent; uint8_t utfbuf[__arraycount(ent->ent_name) * 3 + 1]; /* * Parse and validate partition maps */ if (gpt_hdr(gpt) == NULL) return -1; mbrmap = map_find(gpt, MAP_TYPE_PMBR); if (mbrmap == NULL || mbrmap->map_start != 0) { gpt_warnx(gpt, "No valid Protective MBR found"); return -1; } mbr = mbrmap->map_data; /* * Update the boot code */ if ((bootcode = read_boot(gpt, bootpath)) == NULL) { gpt_warnx(gpt, "Error reading bootcode"); return -1; } (void)memcpy(&mbr->mbr_code, &bootcode->mbr_code, sizeof(mbr->mbr_code)); free(bootcode); /* * Walk through the GPT and see where we can boot from */ for (m = map_first(gpt); m != NULL; m = m->map_next) { if (m->map_type != MAP_TYPE_GPT_PART || m->map_index < 1) continue; ent = m->map_data; /* first, prefer user selection */ if (entry > 0 && m->map_index == entry) break; if (label != NULL) { utf16_to_utf8(ent->ent_name, utfbuf, sizeof(utfbuf)); if (strcmp((char *)label, (char *)utfbuf) == 0) break; } /* next, partition as could be specified by wedge */ if (entry < 1 && label == NULL && size > 0 && m->map_start == start && m->map_size == (off_t)size) break; } if (m == NULL) { gpt_warnx(gpt, "No bootable partition"); return -1; } i = m->map_index - 1; if (set_bootable(gpt, gpt->gpt, gpt->tbl, i) == -1) return -1; if (set_bootable(gpt, gpt->tpg, gpt->lbt, i) == -1) return -1; if (gpt_write(gpt, mbrmap) == -1) { gpt_warnx(gpt, "Cannot update Protective MBR"); return -1; } gpt_msg(gpt, "Partition %d marked as bootable", i + 1); return 0; }