diff options
Diffstat (limited to 'genisoimage/diag/isovfy.c')
-rw-r--r-- | genisoimage/diag/isovfy.c | 794 |
1 files changed, 794 insertions, 0 deletions
diff --git a/genisoimage/diag/isovfy.c b/genisoimage/diag/isovfy.c new file mode 100644 index 0000000..18ed340 --- /dev/null +++ b/genisoimage/diag/isovfy.c @@ -0,0 +1,794 @@ +/* + * This file has been modified for the cdrkit suite. + * + * The behaviour and appearence of the program code below can differ to a major + * extent from the version distributed by the original author(s). + * + * For details, see Changelog file distributed with the cdrkit package. If you + * received this file from another source then ask the distributing person for + * a log of modifications. + * + */ + +/* @(#)isovfy.c 1.26 05/05/15 joerg */ +/* + * File isovfy.c - verify consistency of iso9660 filesystem. + * + * + * Written by Eric Youngdale (1993). + * + * Copyright 1993 Yggdrasil Computing, Incorporated + * Copyright (c) 1999-2004 J. Schilling + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 + * as published by the Free Software Foundation. + * + * 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; see the file COPYING. If not, write to the Free Software + * Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#include <mconfig.h> +#include <stdxlib.h> +#include <unixstd.h> +#include <strdefs.h> +#include <utypes.h> + +#include <stdio.h> +#include <standard.h> +#include <signal.h> +#include <schily.h> + +#include "../scsi.h" +#include "../../wodim/defaults.h" + +/* + * XXX JS: Some structures have odd lengths! + * Some compilers (e.g. on Sun3/mc68020) padd the structures to even length. + * For this reason, we cannot use sizeof (struct iso_path_table) or + * sizeof (struct iso_directory_record) to compute on disk sizes. + * Instead, we use offsetof(..., name) and add the name size. + * See iso9660.h + */ +#ifndef offsetof +#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER) +#endif + +/* + * Note: always use these macros to avoid problems. + * + * ISO_ROUND_UP(X) may cause an integer overflow and thus give + * incorrect results. So avoid it if possible. + * + * ISO_BLOCKS(X) is overflow safe. Prefer this when ever it is possible. + */ +#define SECTOR_SIZE (2048) +#define ISO_ROUND_UP(X) (((X) + (SECTOR_SIZE - 1)) & ~(SECTOR_SIZE - 1)) +#define ISO_BLOCKS(X) (((X) / SECTOR_SIZE) + (((X)%SECTOR_SIZE)?1:0)) + +#define infile in_image +FILE *infile = NULL; +int blocksize; + +#define PAGE sizeof (buffer) + +#define ISODCL(from, to) (to - from + 1) + +struct iso_primary_descriptor { + unsigned char type [ISODCL(1, 1)]; /* 711 */ + unsigned char id [ISODCL(2, 6)]; + unsigned char version [ISODCL(7, 7)]; /* 711 */ + unsigned char unused1 [ISODCL(8, 8)]; + unsigned char system_id [ISODCL(9, 40)]; /* aunsigned chars */ + unsigned char volume_id [ISODCL(41, 72)]; /* dunsigned chars */ + unsigned char unused2 [ISODCL(73, 80)]; + unsigned char volume_space_size [ISODCL(81, 88)]; /* 733 */ + unsigned char unused3 [ISODCL(89, 120)]; + unsigned char volume_set_size [ISODCL(121, 124)]; /* 723 */ + unsigned char volume_sequence_number [ISODCL(125, 128)]; /* 723 */ + unsigned char logical_block_size [ISODCL(129, 132)]; /* 723 */ + unsigned char path_table_size [ISODCL(133, 140)]; /* 733 */ + unsigned char type_l_path_table [ISODCL(141, 144)]; /* 731 */ + unsigned char opt_type_l_path_table [ISODCL(145, 148)]; /* 731 */ + unsigned char type_m_path_table [ISODCL(149, 152)]; /* 732 */ + unsigned char opt_type_m_path_table [ISODCL(153, 156)]; /* 732 */ + unsigned char root_directory_record [ISODCL(157, 190)]; /* 9.1 */ + unsigned char volume_set_id [ISODCL(191, 318)]; /* dunsigned chars */ + unsigned char publisher_id [ISODCL(319, 446)]; /* achars */ + unsigned char preparer_id [ISODCL(447, 574)]; /* achars */ + unsigned char application_id [ISODCL(575, 702)]; /* achars */ + unsigned char copyright_file_id [ISODCL(703, 739)]; /* 7.5 dchars */ + unsigned char abstract_file_id [ISODCL(740, 776)]; /* 7.5 dchars */ + unsigned char bibliographic_file_id [ISODCL(777, 813)]; /* 7.5 dchars */ + unsigned char creation_date [ISODCL(814, 830)]; /* 8.4.26.1 */ + unsigned char modification_date [ISODCL(831, 847)]; /* 8.4.26.1 */ + unsigned char expiration_date [ISODCL(848, 864)]; /* 8.4.26.1 */ + unsigned char effective_date [ISODCL(865, 881)]; /* 8.4.26.1 */ + unsigned char file_structure_version [ISODCL(882, 882)]; /* 711 */ + unsigned char unused4 [ISODCL(883, 883)]; + unsigned char application_data [ISODCL(884, 1395)]; + unsigned char unused5 [ISODCL(1396, 2048)]; +}; + +struct iso_directory_record { + unsigned char length [ISODCL(1, 1)]; /* 711 */ + unsigned char ext_attr_length [ISODCL(2, 2)]; /* 711 */ + unsigned char extent [ISODCL(3, 10)]; /* 733 */ + unsigned char size [ISODCL(11, 18)]; /* 733 */ + unsigned char date [ISODCL(19, 25)]; /* 7 by 711 */ + unsigned char flags [ISODCL(26, 26)]; + unsigned char file_unit_size [ISODCL(27, 27)]; /* 711 */ + unsigned char interleave [ISODCL(28, 28)]; /* 711 */ + unsigned char volume_sequence_number [ISODCL(29, 32)]; /* 723 */ + unsigned char name_len [ISODCL(33, 33)]; /* 711 */ + unsigned char name [38]; +}; + +static int isonum_721(char * p); +static int isonum_723(char * p); +static int isonum_711(char * p); +static int isonum_731(char * p); +static int isonum_722(char * p); +static int isonum_732(char * p); +static int isonum_733(unsigned char * p); +static int parse_rr(unsigned char * pnt, int len, int cont_flag); +static int dump_rr(struct iso_directory_record * idr); +static void check_tree(off_t file_addr, int file_size, off_t parent_addr); +static void check_path_tables(int typel_extent, int typem_extent, + int path_table_size); +static void usage(int excode); + +static int +isonum_721(char *p) +{ + return ((p[0] & 0xff) | ((p[1] & 0xff) << 8)); +} + +static int +isonum_723(char *p) +{ +#if 0 + if (p[0] != p[3] || p[1] != p[2]) { +#ifdef USE_LIBSCHILY + comerrno(EX_BAD, "invalid format 7.2.3 number\n"); +#else + fprintf(stderr, "invalid format 7.2.3 number\n"); + exit(1); +#endif + } +#endif + return (isonum_721(p)); +} + +static int +isonum_711(char *p) +{ + return (*p & 0xff); +} + +static int +isonum_731(char *p) +{ + return ((p[0] & 0xff) + | ((p[1] & 0xff) << 8) + | ((p[2] & 0xff) << 16) + | ((p[3] & 0xff) << 24)); +} + +static int +isonum_722(char *p) +{ + return ((p[1] & 0xff) + | ((p[0] & 0xff) << 8)); +} + +static int +isonum_732(char *p) +{ + return ((p[3] & 0xff) + | ((p[2] & 0xff) << 8) + | ((p[1] & 0xff) << 16) + | ((p[0] & 0xff) << 24)); +} + +static int +isonum_733(unsigned char *p) +{ + return (isonum_731((char *)p)); +} + +char lbuffer[1024]; +int iline; +int rr_goof; + + +static int +parse_rr(unsigned char *pnt, int len, int cont_flag) +{ + int slen; + int ncount; + int flag1; + int flag2; + int extent; + unsigned char *pnts; + off_t cont_extent; + int cont_offset; + int cont_size; + char symlinkname[1024]; + + sprintf(lbuffer+iline, " RRlen=%d ", len); + iline += strlen(lbuffer+iline); + + cont_extent = (off_t)0; + cont_offset = cont_size = 0; + + symlinkname[0] = 0; + + ncount = 0; + flag1 = flag2 = 0; + while (len >= 4) { + if (ncount) + sprintf(lbuffer+iline, ","); + else + sprintf(lbuffer+iline, "["); + iline += strlen(lbuffer + iline); + sprintf(lbuffer+iline, "%c%c", pnt[0], pnt[1]); + iline += strlen(lbuffer + iline); + if (pnt[0] < 'A' || pnt[0] > 'Z' || pnt[1] < 'A' || + pnt[1] > 'Z') { + sprintf(lbuffer+iline, "**BAD SUSP %d %d]", + pnt[0], pnt[1]); + rr_goof++; + iline += strlen(lbuffer + iline); + return (flag2); + } + + if (pnt[3] != 1 && pnt[3] != 2) { + sprintf(lbuffer+iline, "**BAD RRVERSION (%d)\n", pnt[3]); + rr_goof++; + iline += strlen(lbuffer + iline); + return (flag2); + } + ncount++; + if (pnt[0] == 'R' && pnt[1] == 'R') flag1 = pnt[4] & 0xff; + if (strncmp((char *)pnt, "PX", 2) == 0) flag2 |= 1; + if (strncmp((char *)pnt, "PN", 2) == 0) flag2 |= 2; + if (strncmp((char *)pnt, "SL", 2) == 0) flag2 |= 4; + if (strncmp((char *)pnt, "NM", 2) == 0) flag2 |= 8; + if (strncmp((char *)pnt, "CL", 2) == 0) flag2 |= 16; + if (strncmp((char *)pnt, "PL", 2) == 0) flag2 |= 32; + if (strncmp((char *)pnt, "RE", 2) == 0) flag2 |= 64; + if (strncmp((char *)pnt, "TF", 2) == 0) flag2 |= 128; + + if (strncmp((char *)pnt, "CE", 2) == 0) { + cont_extent = (off_t)isonum_733(pnt+4); + cont_offset = isonum_733(pnt+12); + cont_size = isonum_733(pnt+20); + sprintf(lbuffer+iline, "=[%x,%x,%d]", + (int)cont_extent, cont_offset, cont_size); + iline += strlen(lbuffer + iline); + } + + if (strncmp((char *)pnt, "PL", 2) == 0 || strncmp((char *)pnt, "CL", 2) == 0) { + extent = isonum_733(pnt+4); + sprintf(lbuffer+iline, "=%x", extent); + iline += strlen(lbuffer + iline); + if (extent == 0) + rr_goof++; + } + if (strncmp((char *)pnt, "SL", 2) == 0) { + pnts = pnt+5; + slen = pnt[2] - 5; + while (slen >= 1) { + switch (pnts[0] & 0xfe) { + case 0: + strncat(symlinkname, (char *)(pnts+2), pnts[1]); + break; + case 2: + strcat(symlinkname, "."); + break; + case 4: + strcat(symlinkname, ".."); + break; + case 8: + strcat(symlinkname, "/"); + break; + case 16: + strcat(symlinkname, "/mnt"); + sprintf(lbuffer+iline, "Warning - mount point requested"); + iline += strlen(lbuffer + iline); + break; + case 32: + strcat(symlinkname, "kafka"); + sprintf(lbuffer+iline, "Warning - host_name requested"); + iline += strlen(lbuffer + iline); + break; + default: + sprintf(lbuffer+iline, "Reserved bit setting in symlink"); + rr_goof++; + iline += strlen(lbuffer + iline); + break; + } + if ((pnts[0] & 0xfe) && pnts[1] != 0) { + sprintf(lbuffer+iline, "Incorrect length in symlink component"); + iline += strlen(lbuffer + iline); + } + if ((pnts[0] & 1) == 0) + strcat(symlinkname, "/"); + slen -= (pnts[1] + 2); + pnts += (pnts[1] + 2); + } + if (symlinkname[0] != 0) { + sprintf(lbuffer+iline, "=%s", symlinkname); + iline += strlen(lbuffer + iline); + symlinkname[0] = 0; + } + } + + len -= pnt[2]; + pnt += pnt[2]; + if (len <= 3 && cont_extent) { + unsigned char sector[2048]; +#ifdef USE_SCG + readsecs(cont_extent * blocksize / 2048, sector, ISO_BLOCKS(sizeof (sector))); +#else + lseek(fileno(infile), cont_extent * blocksize, SEEK_SET); + read(fileno(infile), sector, sizeof (sector)); +#endif + flag2 |= parse_rr(§or[cont_offset], cont_size, 1); + } + } + if (ncount) { + sprintf(lbuffer+iline, "]"); + iline += strlen(lbuffer + iline); + } + if (!cont_flag && flag1 && flag1 != flag2) { + sprintf(lbuffer+iline, "Flag %x != %x", flag1, flag2); + rr_goof++; + iline += strlen(lbuffer + iline); + } + return (flag2); +} + +static int +dump_rr(struct iso_directory_record *idr) +{ + int len; + char * pnt; + + len = idr->length[0] & 0xff; + len -= offsetof(struct iso_directory_record, name[0]); + len -= idr->name_len[0]; + pnt = (char *) idr; + pnt += offsetof(struct iso_directory_record, name[0]); + pnt += idr->name_len[0]; + + if ((idr->name_len[0] & 1) == 0) { + pnt++; + len--; + } + + rr_goof = 0; + parse_rr((unsigned char *)pnt, len, 0); + return (rr_goof); +} + + +static int dir_count = 0; +static int dir_size_count = 0; +static int ngoof = 0; + +static void +check_tree(off_t file_addr, int file_size, off_t parent_addr) +{ + unsigned char buffer[2048]; + unsigned int k; + int rflag = 0; + int i; + int i1; + int j; + int goof; + int extent; + int size; + off_t orig_file_addr; + off_t parent_file_addr; + struct iso_directory_record *idr; + + i1 = 0; + + orig_file_addr = file_addr / blocksize; /* Actual extent of this directory */ + parent_file_addr = parent_addr / blocksize; + + if ((dir_count % 100) == 0) + printf("[%d %d]\n", dir_count, dir_size_count); +#if 0 + if (sizeof (file_addr) > sizeof (long)) { + printf("Starting directory %ld %d %lld\n", + file_addr, file_size, + (Llong)parent_addr); + } else { + printf("Starting directory %ld %d %ld\n", file_addr, file_size, parent_addr); + } +#endif + + dir_count++; + dir_size_count += file_size / blocksize; + + if (file_size & 0x3ff) + printf("********Directory has unusual size\n"); + + for (k = 0; k < (file_size / sizeof (buffer)); k++) { +#ifdef USE_SCG + readsecs(file_addr / 2048, buffer, ISO_BLOCKS(sizeof (buffer))); +#else + lseek(fileno(infile), file_addr, SEEK_SET); + read(fileno(infile), buffer, sizeof (buffer)); +#endif + i = 0; + while (1 == 1) { + goof = iline = 0; + idr = (struct iso_directory_record *) &buffer[i]; + if (idr->length[0] == 0) break; + sprintf(&lbuffer[iline], "%3d ", idr->length[0]); + iline += strlen(lbuffer + iline); + extent = isonum_733(idr->extent); + size = isonum_733(idr->size); + sprintf(&lbuffer[iline], "%5x ", extent); + iline += strlen(lbuffer + iline); + sprintf(&lbuffer[iline], "%8d ", size); + iline += strlen(lbuffer + iline); + sprintf(&lbuffer[iline], "%c", (idr->flags[0] & 2) ? '*' : ' '); + iline += strlen(lbuffer + iline); + + if (idr->name_len[0] > 33) { + sprintf(&lbuffer[iline], "File name length=(%d)", + idr->name_len[0]); + goof++; + iline += strlen(lbuffer + iline); + } else if (idr->name_len[0] == 1 && idr->name[0] == 0) { + sprintf(&lbuffer[iline], ". "); + iline += strlen(lbuffer + iline); + rflag = 0; + if (orig_file_addr != (off_t)(isonum_733(idr->extent) + isonum_711((char *) idr->ext_attr_length))) { + sprintf(&lbuffer[iline], "***** Directory has null extent."); + goof++; + iline += strlen(lbuffer + iline); + } + if (i1) { + sprintf(&lbuffer[iline], "***** . not first entry."); + rr_goof++; + iline += strlen(lbuffer + iline); + } + } else if (idr->name_len[0] == 1 && idr->name[0] == 1) { + sprintf(&lbuffer[iline], ".. "); + iline += strlen(lbuffer + iline); + rflag = 0; + if (parent_file_addr != (off_t)(isonum_733(idr->extent) + isonum_711((char *) idr->ext_attr_length))) { + sprintf(&lbuffer[iline], "***** Directory has null extent."); + goof++; + iline += strlen(lbuffer + iline); + } + if (i1 != 1) { + sprintf(&lbuffer[iline], "***** .. not second entry."); + rr_goof++; + iline += strlen(lbuffer + iline); + } + } else { + if (i1 < 2) { + sprintf(&lbuffer[iline], " Improper sorting."); + rr_goof++; + } + for (j = 0; j < (int)idr->name_len[0]; j++) { + sprintf(&lbuffer[iline], "%c", idr->name[j]); + } + for (j = 0; j < (14 - (int) idr->name_len[0]); j++) { + sprintf(&lbuffer[iline], " "); + iline += strlen(lbuffer + iline); + } + rflag = 1; + } + + if (size && extent == 0) { + sprintf(&lbuffer[iline], "****Extent==0, size != 0"); + goof++; + iline += strlen(lbuffer + iline); + } +#if 0 + /* This is apparently legal. */ + if (size == 0 && extent) { + sprintf(&lbuffer[iline], "****Extent!=0, size == 0"); + goof++; + iline += strlen(lbuffer + iline); + } +#endif + + if (idr->flags[0] & 0xf5) { + sprintf(&lbuffer[iline], "Flags=(%x) ", idr->flags[0]); + goof++; + iline += strlen(lbuffer + iline); + } + if (idr->interleave[0]) { + sprintf(&lbuffer[iline], "Interleave=(%d) ", idr->interleave[0]); + goof++; + iline += strlen(lbuffer + iline); + } + + if (idr->file_unit_size[0]) { + sprintf(&lbuffer[iline], "File unit size=(%d) ", idr->file_unit_size[0]); + goof++; + iline += strlen(lbuffer + iline); + } + + if (idr->volume_sequence_number[0] != 1) { + sprintf(&lbuffer[iline], "Volume sequence number=(%d) ", idr->volume_sequence_number[0]); + goof++; + iline += strlen(lbuffer + iline); + } + + goof += dump_rr(idr); + sprintf(&lbuffer[iline], "\n"); + iline += strlen(lbuffer + iline); + + + if (goof) { + ngoof++; + lbuffer[iline++] = 0; + if (sizeof (orig_file_addr) > sizeof (long)) { + printf("%llx: %s", (Llong)orig_file_addr, lbuffer); + } else { + printf("%lx: %s", (long)orig_file_addr, lbuffer); + } + } + + + + if (rflag && (idr->flags[0] & 2)) + check_tree((off_t)(isonum_733(idr->extent) + isonum_711((char *)idr->ext_attr_length)) * blocksize, + isonum_733(idr->size), + orig_file_addr * blocksize); + i += buffer[i]; + i1++; + if (i > 2048 - offsetof(struct iso_directory_record, name[0])) + break; + } + file_addr += sizeof (buffer); + } + fflush(stdout); +} + + +/* + * This function simply dumps the contents of the path tables. No + * consistency checking takes place, although this would proably be a good + * idea. + */ +struct path_table_info { + char *name; + unsigned int extent; + unsigned short index; + unsigned short parent; +}; + +static void +check_path_tables(int typel_extent, int typem_extent, int path_table_size) +{ + int count; + int j; + char *pnt; + char *typel; + char *typem; + + /* Now read in the path tables */ + + typel = (char *) malloc(ISO_ROUND_UP(path_table_size)); +#ifdef USE_SCG + readsecs(typel_extent * blocksize / 2048, typel, ISO_BLOCKS(path_table_size)); +#else + lseek(fileno(infile), (off_t)((off_t)typel_extent) * blocksize, SEEK_SET); + read(fileno(infile), typel, path_table_size); /* FIXME: check return value */ +#endif + typem = (char *) malloc(path_table_size); + lseek(fileno(infile), (off_t)((off_t)typem_extent) * blocksize, SEEK_SET); + read(fileno(infile), typem, path_table_size); /* FIXME: check return value */ + + j = path_table_size; + pnt = typel; + count = 1; + while (j) { + int namelen; + int extent; + int idx; + char name[32]; + + namelen = *pnt++; pnt++; + extent = isonum_731(pnt); + pnt += 4; + idx = isonum_721(pnt); + pnt += 2; + j -= 8 + namelen; + memset(name, 0, sizeof (name)); + + strncpy(name, pnt, namelen); + pnt += namelen; + if (j & 1) { + j--; + pnt++; + } + printf("%4.4d %4.4d %8.8x %s\n", count++, idx, extent, name); + } + + j = path_table_size; + pnt = typem; + count = 1; + + while (j) { + int namelen; + int extent; + int idx; + char name[32]; + + namelen = *pnt++; pnt++; + extent = isonum_732(pnt); + pnt += 4; + idx = isonum_722(pnt); + pnt += 2; + j -= 8+namelen; + memset(name, 0, sizeof (name)); + + strncpy(name, pnt, namelen); + pnt += namelen; + if (j & 1) { + j--; + pnt++; + } + printf("%4.4d %4.4d %8.8x %s\n", count++, idx, extent, name); + } +} + +static void +usage(int excode) +{ + errmsgno(EX_BAD, "Usage: %s [options] image\n", + get_progname()); + + fprintf(stderr, "Options:\n"); + fprintf(stderr, "\t-help, -h Print this help\n"); + fprintf(stderr, "\t-version Print version info and exit\n"); + fprintf(stderr, "\t-i filename Filename to read ISO-9660 image from\n"); + fprintf(stderr, "\tdev=target SCSI target to use as CD/DVD-Recorder\n"); + fprintf(stderr, "\nIf neither -i nor dev= are speficied, <image> is needed.\n"); + exit(excode); +} + +int +main(int argc, char *argv[]) +{ + int cac; + char * const *cav; + char *opts = "help,h,version,i*,dev*"; + BOOL help = FALSE; + BOOL prvers = FALSE; + char *filename = NULL; + char *devname = NULL; + off_t file_addr; + int file_size; + struct iso_primary_descriptor ipd; + struct iso_directory_record *idr; + int typel_extent; + int typem_extent; + int path_table_size; + + save_args(argc, argv); + + cac = argc - 1; + cav = argv + 1; + if (getallargs(&cac, &cav, opts, &help, &help, &prvers, + &filename, &devname) < 0) { + errmsgno(EX_BAD, "Bad Option: '%s'\n", cav[0]); + usage(EX_BAD); + } + if (help) + usage(0); + if (prvers) { + printf("isovfy %s (%s)\n", CDRKIT_VERSION, HOST_SYSTEM); + exit(0); + } + cac = argc - 1; + cav = argv + 1; + if (filename == NULL && devname == NULL) { + if (getfiles(&cac, &cav, opts) != 0) { + filename = cav[0]; + cac--, cav++; + } + } + if (getfiles(&cac, &cav, opts) != 0) { + errmsgno(EX_BAD, "Bad Argument: '%s'\n", cav[0]); + usage(EX_BAD); + } + if (filename != NULL && devname != NULL) { + errmsgno(EX_BAD, "Only one of -i or dev= allowed\n"); + usage(EX_BAD); + } +#ifdef USE_SCG + if (filename == NULL && devname == NULL) + cdr_defaults(&devname, NULL, NULL, NULL); +#endif + if (filename == NULL && devname == NULL) { +#ifdef USE_LIBSCHILY + errmsgno(EX_BAD, "ISO-9660 image not specified\n"); +#else + fprintf(stderr, "ISO-9660 image not specified\n"); +#endif + usage(EX_BAD); + } + + if (filename != NULL) + infile = fopen(filename, "rb"); + else + filename = devname; + + if (infile != NULL) { + /* EMPTY */; +#ifdef USE_SCG + } else if (scsidev_open(filename) < 0) { +#else + } else { +#endif +#ifdef USE_LIBSCHILY + comerr("Cannot open '%s'\n", filename); +#else + fprintf(stderr, "Cannot open '%s'\n", filename); + exit(1); +#endif + } + + + file_addr = (off_t)32768; +#ifdef USE_SCG + readsecs(file_addr / 2048, &ipd, ISO_BLOCKS(sizeof (ipd))); +#else + lseek(fileno(infile), file_addr, SEEK_SET); + read(fileno(infile), &ipd, sizeof (ipd)); +#endif + + idr = (struct iso_directory_record *)ipd.root_directory_record; + + blocksize = isonum_723((char *)ipd.logical_block_size); + if (blocksize != 512 && blocksize != 1024 && blocksize != 2048) { + blocksize = 2048; + } + + file_addr = (off_t)isonum_733(idr->extent) + isonum_711((char *)idr->ext_attr_length); + file_size = isonum_733(idr->size); + + if (sizeof (file_addr) > sizeof (long)) { + printf("Root at extent %llx, %d bytes\n", (Llong)file_addr, file_size); + } else { + printf("Root at extent %lx, %d bytes\n", (long)file_addr, file_size); + } + file_addr = file_addr * blocksize; + + check_tree(file_addr, file_size, file_addr); + + typel_extent = isonum_731((char *)ipd.type_l_path_table); + typem_extent = isonum_732((char *)ipd.type_m_path_table); + path_table_size = isonum_733(ipd.path_table_size); + + /* Enable this to get the dump of the path tables */ +#if 0 + check_path_tables(typel_extent, typem_extent, path_table_size); +#endif + + if (infile != NULL) + fclose(infile); + + if (!ngoof) + printf("No errors found\n"); + return (0); +} |