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-rw-r--r--lib/cdutils.cpp1882
1 files changed, 941 insertions, 941 deletions
diff --git a/lib/cdutils.cpp b/lib/cdutils.cpp
index d9efe68..2d9263b 100644
--- a/lib/cdutils.cpp
+++ b/lib/cdutils.cpp
@@ -1,941 +1,941 @@
-/*
- * PSX-Tools Bundle Pack
- * Copyright (C) 2002-2003 Nicolas "Pixel" Noble
- *
- * 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 2 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, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
-/* $Id: cdutils.cpp,v 1.30 2004-07-30 00:49:47 pixel Exp $ */
-
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#include "generic.h"
-#include "cdutils.h"
-#include "Output.h"
-
-const long sec_sizes[7] = {0, 2048, 2336, 2048, 2324, 2352, 2352};
-const long sec_offsts[7] = {0, 16, 16, 24, 24, 0, 0};
-const String sec_modes[7] = {"MODE 0 (empty)", "MODE 1", "MODE 2", "MODE 2 FORM 1", "MODE 2 FORM 2", "Raw", "Autodetect"};
-
-cdutils::cdutils(Handle * r, Handle * w) : rootDir(0), f_iso_r(r), f_iso_w(w), ppf_file(0), pt1(-1), pt2(-1), snum(0), ptl(0), root(0) {}
-
-cdutils::~cdutils() {
- if (ppf_file)
- delete ppf_file;
- free(rootDir);
-}
-
-unsigned char cdutils::from_BCD(unsigned char x) {
- return ((x & 0xf) + ((x & 0xf0) >> 4) * 10);
-}
-
-unsigned char cdutils::to_BCD(unsigned char x) {
- return ((x / 10) << 4) | (x % 10);
-}
-
-bool cdutils::is_valid_BCD(unsigned char x) {
- return (((x & 15) < 10) && ((x >> 4) < 10));
-}
-
-unsigned long cdutils::from_MSF(unsigned char m, unsigned char s, unsigned char f, unsigned long start) {
- return (from_BCD(m) * 60 + from_BCD(s)) * 75 + from_BCD(f) - start;
-}
-
-unsigned long cdutils::from_MSF(unsigned long msf, unsigned long start) {
- unsigned char
- f = msf & 0xff,
- s = (msf >> 8) & 0xff,
- m = (msf >> 16) & 0xff;
-
- return from_MSF(m, s, f, start);
-}
-
-void cdutils::to_MSF(int sect, unsigned char & m, unsigned char & s, unsigned char & f, unsigned long start) {
- sect += start;
- f = to_BCD(sect % 75);
- sect /= 75;
- s = to_BCD(sect % 60);
- m = to_BCD(sect / 60);
-}
-
-unsigned long cdutils::to_MSF(int sect, unsigned long start) {
- unsigned char m, s, f;
- to_MSF(sect, m, s, f, start);
- return f | (s << 8) | (m << 16);
-}
-
-Handle * cdutils::open_ppf(String ppf, String comment) throw (GeneralException) {
- int i, l;
-
- if (ppf_file)
- throw GeneralException("Tried to open_ppf() while already opened.");
- ppf_file = new Output(ppf);
- ppf_file->write("PPF20\001", 6);
-
- l = comment.strlen();
- if (l >= 50) {
- ppf_file->write(comment.to_charp(), 50);
- } else {
- char * t = " ";
- ppf_file->write(comment.to_charp(), l);
- for (i = l; i < 50; i++) {
- ppf_file->write(t, 1);
- }
- }
-
- l = f_iso_r->GetSize();
- ppf_file->write(&l, sizeof(l));
-
- f_iso_r->seek(0x9320, SEEK_SET);
-// copy(f_iso_r, ppf_file, 1024);
- return ppf_file;
-}
-
-void cdutils::write_ppf(Byte * old_sec, Byte * new_sec, int sec_num) {
- int i, l = 0, o;
-
- for (i = 0; i < 2352; i++) {
- if (old_sec[i] == new_sec[i]) {
- if (l != 0) {
- o = 2352 * sec_num + i;
- ppf_file->write(&o, sizeof(o));
- ppf_file->write(&l, 1);
- ppf_file->write(new_sec + i - l - 1, l);
- l = 0;
- }
- } else {
- l++;
- if (l == 255) {
- o = 2352 * sec_num + i;
- ppf_file->write(&o, 4);
- ppf_file->write(&l, 1);
- ppf_file->write(new_sec + i - 255, 255);
- l = 0;
- }
- }
- }
-}
-
-void cdutils::close_ppf() throw (GeneralException) {
- if (ppf_file) {
- delete ppf_file;
- ppf_file = 0;
- } else {
- throw GeneralException("Tried to close_ppf() without previous opening");
- }
-}
-
-void cdutils::set_iso_w(Handle * w) {
- if (!f_iso_w)
- f_iso_w = w;
-}
-
-String cdutils::format_date(String input) {
- String output;
-
- output = input.extract(6, 7) + '/';
- output += input.extract(4, 5) + '/';
- output += input.extract(0, 3) + ' ';
- output += input.extract(8, 9) + ':';
- output += input.extract(10, 11) + ':';
- output += input.extract(12, 13) + '.';
- output += input.extract(14, 15);
- output += String("").set("%+3.1f", ((float) (*((input.to_charp()) + 16))) / 4);
- return output;
-}
-
-Uint16 cdutils::swap_word(Uint16 i) {
- return (i >> 8) | (i << 8);
-}
-
-Uint32 cdutils::swap_dword(Uint32 i) {
- return (i >> 24) | ((i >> 8) & 0x0000ff00) | ((i << 8) & 0x00ff0000) | (i << 24);
-}
-
-int cdutils::guess_type(int number) {
- Byte header[24];
-
- if (number >= 0) {
- sector_seek(number);
- }
-
- f_iso_r->read(header, 24);
- f_iso_r->seek(-24, SEEK_CUR);
- if (header[15] == 1) {
- return MODE_1;
- } else if (header[15] == 2) {
- if (*((unsigned long *) &(header[16])) == *((unsigned long *) &(header[20]))) {
- if ((header[16] == 0) && (header[17] == 0) && (header[19] == 0)) {
- if (header[18] & 0x20) {
- return MODE_2_FORM_2;
- } else {
- return MODE_2_FORM_1;
- }
- }
- }
- return MODE_2;
- }
-
- return MODE_0;
-}
-
-void cdutils::sector_seek(long sector) {
- f_iso_r->seek(2352 * sector);
- if (f_iso_w)
- f_iso_w->seek(2352 * sector);
-}
-
-long cdutils::read_sector(Byte * buffer, int type, int number) {
- if (number >= 0) {
- sector_seek(number);
- }
-
- if (type == GUESS) {
- type = guess_type();
- }
-
- f_iso_r->seek(sec_offsts[type], SEEK_CUR);
- f_iso_r->read(buffer, sec_sizes[type]);
- f_iso_r->seek(2352 - sec_offsts[type] - sec_sizes[type], SEEK_CUR);
- return sec_sizes[type];
-}
-
-void cdutils::read_datas(Byte * buffer, long size, int type, int number) {
- Byte sector[2352];
- int i, n, reste;
-
- if (type == GUESS) {
- type = guess_type(number);
- }
-
- n = size / sec_sizes[type];
- reste = size - n * sec_sizes[type];
-
- sector_seek(number);
- for (i = 0; i < n; i++) {
- read_sector(buffer + i * sec_sizes[type], type);
- }
-
- if (reste) {
- read_sector(sector, type);
- bcopy((char *) sector, (char *) (buffer + n * sec_sizes[type]), reste);
- }
-}
-
-void cdutils::read_file(Handle * file, long size, int type, int number) {
- Byte sector[2352];
- int i, n, reste;
-
- if (type == GUESS) {
- type = guess_type(number);
- }
-
- n = size / sec_sizes[type];
- reste = size - n * sec_sizes[type];
-
- for (i = 0; i < n; i++) {
- sector_seek(number + i);
- try {
- read_sector(sector, type);
- }
- catch(...) {
- memset(sector, 0, 2352);
- }
- file->write(sector, sec_sizes[type]);
- }
-
- sector_seek(number + n);
- if (reste) {
- try {
- read_sector(sector, type);
- }
- catch(...) {
- memset(sector, 0, 2352);
- }
- file->write(sector, reste);
- }
-}
-
-void cdutils::write_sector(Byte * buffer, int type, int number) throw (GeneralException) {
- Byte old_sector[2352], new_sector[2352];
-
- if (type == GUESS) {
- type = guess_type(number);
- }
-
- if (number >= 0) {
- sector_seek(number);
- } else {
- number = f_iso_r->tell() / 2352;
- }
-
- f_iso_r->read(old_sector, 2352);
-
- yazedc_o.minute = old_sector[12];
- yazedc_o.second = old_sector[13];
- yazedc_o.frame = old_sector[14];
-
- bcopy((char *) old_sector, (char *) new_sector, 2532);
- bcopy((char *) buffer, (char *) new_sector + sec_offsts[type], sec_sizes[type]);
-
- yazedc_o.do_encode_L2(new_sector, type, 0);
- if (f_iso_w) {
- f_iso_w->write(new_sector, 2352);
- } else if (ppf_file) {
- write_ppf(old_sector, new_sector, number);
- } else {
- throw GeneralException("No writing method for iso file");
- }
-}
-
-void cdutils::write_datas(Byte * buffer, long size, int type, int number) {
- long nbsectors, i;
- unsigned char sector[2352];
-
- if (type == GUESS) {
- type = guess_type(number);
- }
-
- if (number >= 0) {
- sector_seek(number);
- }
-
- nbsectors = size / sec_sizes[type];
-
- for (i = 0; i < nbsectors; i++) {
- write_sector(buffer + i * sec_sizes[type], type, number + i);
- }
-
- if (size % sec_sizes[type]) {
- memset(sector, 0, 2352);
- bcopy((char *) (buffer + i * sec_sizes[type]), (char *) sector, size % sec_sizes[type]);
- write_sector(sector, type, number + i);
- }
-}
-
-void cdutils::write_file(Handle * file, long size, int type, int number) {
- long nbsectors, i;
- unsigned char buffer[2352];
-
- if (type == GUESS) {
- type = guess_type(number);
- }
-
- if (number >= 0) {
- sector_seek(number);
- }
-
- if (size < 0)
- size = file->GetSize();
- nbsectors = size / sec_sizes[type];
-
- if (size % sec_sizes[type]) {
- nbsectors++;
- }
-
- for (i = 0; i < nbsectors; i++) {
- memset(buffer, 0, 2352);
- size = file->read(buffer, sec_sizes[type]);
- write_sector(buffer, type);
- }
-}
-
-void cdutils::create_sector(int type, int number, bool eof) throw (GeneralException) {
- Byte sector[2352];
- if (!f_iso_w)
- throw GeneralException("Can't create sector: ISO not in write mode");
-
- to_MSF(number, yazedc_o.minute, yazedc_o.second, yazedc_o.frame);
- memset(sector, 0, 2352);
- if ((type == MODE2_FORM1) || (type == MODE2_FORM2)) {
- sector[16] = sector[20] = 0; // File Number
- sector[17] = sector[21] = 0; // Channel Number
- sector[18] = sector[22] = 8 | (eof ? 129 : 0) |
- (type == MODE2_FORM2 ? 32 : 0);
- sector[19] = sector[23] = 0; // Coding Info
- }
- yazedc_o.do_encode_L2(sector, type, 0);
-
- f_iso_w->seek(2352 * number);
-
- f_iso_w->write(sector, 2352);
-
- sector_seek(number);
-}
-
-void cdutils::show_head_entry(void) {
- printm(M_BARE, "Sector Size Date Time Flags Name XA flags\n");
-}
-
-int cdutils::show_entry(struct DirEntry * dir) {
- char pbuf[200], pad;
- int s;
- if ((!dir) || (!dir->R)) {
- return 1;
- }
-
- strncpy(pbuf, dir->id, dir->N);
- pbuf[dir->N] = 0;
- if ((dir->N == 1) && (pbuf[0] == 0)) {
- strcpy(pbuf, ".");
- }
- if ((dir->N == 1) && (pbuf[0] == 1)) {
- strcpy(pbuf, "..");
- }
-
- s = 33 + dir->N;
- if (s & 1) {
- s++;
- pad = 1;
- } else {
- pad = 0;
- }
- if (s != dir->R) {
- if ((s + 14) == dir->R) {
- Byte * p;
- p = (Byte *) dir->id + dir->N + pad;
- if ((p[6] == 'X') && (p[7] == 'A')) {
- sprintf(pbuf, "%-14s %c%c%c%c%c", pbuf,
- p[4] & 0x80 ? 'd' : '-',
- p[4] & 0x40 ? 'a' : '-',
- p[4] & 0x20 ? 's' : '-',
- p[4] & 0x10 ? 'x' : '-',
- p[4] & 0x08 ? 'f' : '-');
- }
- }
- }
-
- if (dir->Year < 70)
- dir->Year += 100;
-
- printm(M_BARE, "%6i %9i %2i/%02i/%04i %2i:%02i:%02i%+03.1f %c%c%c%c%c%c%c%c %s\n",
- dir->Sector, dir->Size, dir->Day, dir->Month, dir->Year + 1900, dir->Hour, dir->Minute, dir->Second, ((float) dir->Offset) / 4,
- dir->Flags & 1 ? 'H' : '-', dir->Flags & 2 ? 'D' : '-', dir->Flags & 4 ? 'A' : '-', dir->Flags & 8 ? 'R' : '-',
- dir->Flags & 16 ? 'P' : '-', dir->Flags & 32 ? '1' : '-', dir->Flags & 64 ? '1' : '-', dir->Flags & 128 ? 'C' : '-', pbuf);
- return dir->R;
-}
-
-int cdutils::show_dir(struct DirEntry * dir) {
- unsigned int ptr;
- Byte * buffer;
-
- if (!(dir->Flags & 2)) {
- return 0;
- }
-
- buffer = (Byte *) malloc(dir->Size);
- read_datas(buffer, dir->Size, GUESS, dir->Sector);
-
- ptr = 0;
- while(ptr < dir->Size) {
- ptr += show_entry((struct DirEntry *) &(buffer[ptr]));
- }
-
- free(buffer);
- return 1;
-}
-
-struct cdutils::DirEntry cdutils::find_dir_entry(struct DirEntry * dir, String name) {
- unsigned int ptr, size;
- unsigned char * buffer;
- struct DirEntry r = {0, 0, 0, 0, 0};
-
- if (!(dir->Flags & 2)) {
- return r;
- }
-
- buffer = (unsigned char *) malloc(size = dir->Size);
- read_datas(buffer, dir->Size, GUESS, dir->Sector);
-
- ptr = 0;
- while(ptr < size) {
- dir = (struct DirEntry *) &(buffer[ptr]);
- if (!dir->R) {
- ptr++;
- } else {
- if (!strncmp(name.to_charp(), (char *) &(dir->id), dir->N)) {
- r = *dir;
- }
- ptr += dir->R;
- }
- }
-
- free(buffer);
- return r;
-}
-
-struct cdutils::DirEntry * cdutils::find_dir_entry(Byte ** bufout, struct cdutils::DirEntry * dir, String name) {
- unsigned int ptr, size;
- Byte * buffer;
- struct DirEntry * rdir = 0;
- *bufout = 0;
-
- if (!(dir->Flags & 2)) {
- return 0;
- }
-
- buffer = (Byte *) malloc(size = dir->Size);
- read_datas(buffer, dir->Size, GUESS, dir->Sector);
-
- ptr = 0;
- while(ptr < size) {
- dir = (struct DirEntry *) &(buffer[ptr]);
- if (!dir->R) {
- ptr++;
- } else {
- if (!strncmp(name.to_charp(), (char *) &(dir->id), dir->N)) {
- rdir = dir;
- }
- ptr += dir->R;
- }
- }
-
- if (rdir && rdir->R) {
- free(*bufout);
- *bufout = buffer;
- } else {
- free(buffer);
- rdir = 0;
- }
- return rdir;
-}
-
-int cdutils::show_iso_infos() {
- char buffer[2048];
- char pbuff[130];
- short int s, nogood = 0;
-
- read_sector((Byte *) buffer, GUESS, 16);
-
- printm(M_BARE, "Sector guessed mode : " + sec_modes[guess_type(16)] + "\n");
- printm(M_BARE, "offset-size-info : contents\n");
- printm(M_BARE, " 0 - 1- 1 : %i\n", buffer[0]);
- memcpy(pbuff, buffer + 1, 5);
- pbuff[5] = 0;
- printm(M_BARE, " 1 - 5-`CD001' : %s\n", pbuff);
- printm(M_BARE, " 6 - 2- 1 : %i\n", s = *((short int *) &(buffer[6])));
- printm(M_BARE, "(*this was the signature*)\n");
- if (buffer[0] != 1) nogood = 1;
- if (strcmp(pbuff, "CD001")) nogood = 1;
- if (s != 1) nogood = 1;
-
- if (nogood) {
- printm(M_BARE, "Not a valid iso9660 file.\n");
- return 0;
- }
-
- memcpy(pbuff, buffer + 8, 32);
- pbuff[32] = 0;
- printm(M_BARE, " 8 - 32- SYSID : %s\n", pbuff);
- memcpy(pbuff, buffer + 40, 32);
- pbuff[32] = 0;
- printm(M_BARE, " 40 - 32- VOLID : %s\n", pbuff);
- printm(M_BARE, " 80 - 8- SNum : %li\n", *((long int *) &(buffer[80])));
- printm(M_BARE, " 120 - 4- VOLSiz : %i\n", *((short int *) &(buffer[120])));
- printm(M_BARE, " 124 - 4- VOLNum : %i\n", *((short int *) &(buffer[124])));
- printm(M_BARE, " 128 - 4- SSize : %i\n", *((short int *) &(buffer[128])));
- printm(M_BARE, " 132 - 8- PSize : %li\n", *((long int *) &(buffer[132])));
- printm(M_BARE, " 140 - 4- 1SLPath: %i\n", *((short int *) &(buffer[140])));
- printm(M_BARE, " 144 - 4- 2SLPath: %i\n", *((short int *) &(buffer[144])));
- printm(M_BARE, " 148 - 4- 1SBPath: %i\n", swap_word(*((short int *) &(buffer[150]))));
- printm(M_BARE, " 152 - 4- 2SBPath: %i\n", swap_word(*((short int *) &(buffer[154]))));
- memcpy(pbuff, buffer + 190, 128);
- pbuff[128] = 0;
- printm(M_BARE, " 190 - 128- VStId : %s\n", pbuff);
- memcpy(pbuff, buffer + 318, 128);
- pbuff[128] = 0;
- printm(M_BARE, " 318 - 128- PubId : %s\n", pbuff);
- memcpy(pbuff, buffer + 446, 128);
- pbuff[128] = 0;
- printm(M_BARE, " 446 - 128- DPrId : %s\n", pbuff);
- memcpy(pbuff, buffer + 574, 128);
- pbuff[128] = 0;
- printm(M_BARE, " 574 - 128- AppId : %s\n", pbuff);
- memcpy(pbuff, buffer + 702, 37);
- pbuff[37] = 0;
- printm(M_BARE, " 702 - 37- CpyFile: %s\n", pbuff);
- memcpy(pbuff, buffer + 739, 37);
- pbuff[37] = 0;
- printm(M_BARE, " 739 - 37- AbsFile: %s\n", pbuff);
- memcpy(pbuff, buffer + 776, 37);
- pbuff[37] = 0;
- printm(M_BARE, " 776 - 37- BibFile: %s\n", pbuff);
- printm(M_BARE, " 813 - 17- DTCreat: " + format_date(&buffer[813]) + "\n");
- printm(M_BARE, " 830 - 17- DTModif: " + format_date(&buffer[830]) + "\n");
- printm(M_BARE, " 847 - 17- DTExpir: " + format_date(&buffer[847]) + "\n");
- printm(M_BARE, " 864 - 17- DTEffec: " + format_date(&buffer[864]) + "\n");
-
- printm(M_BARE, "Root record:\n");
- show_head_entry();
- show_entry((DirEntry *) &(buffer[156]));
-
- return 1;
-}
-
-int cdutils::get_iso_infos() {
- Byte buffer[2048];
- char pbuff[130];
- short int s, nogood = 0;
- int rootsec;
-
- read_sector(buffer, GUESS, 16);
-
- memcpy(pbuff, buffer + 1, 5);
- pbuff[5] = 0;
-
- s = *((short int *) &(buffer[6]));
- if (buffer[0] != 1) nogood = 1;
- if (strcmp(pbuff, "CD001")) nogood = 1;
- if (s != 1) nogood = 1;
-
- if (nogood) {
- printm(M_ERROR, "Not a valid iso9660 file.\n");
- return 0;
- }
-
- pt1 = *((short int *) &(buffer[140]));
- pt2 = *((short int *) &(buffer[144]));
- snum = *((int *) &(buffer[80]));
- ptl = *((long int *) &(buffer[132]));
- rootsec = ((struct DirEntry *) (&buffer[156]))->Sector;
- read_sector(buffer, GUESS, rootsec);
- rootDir = (struct DirEntry *) malloc(buffer[0]);
- memcpy(rootDir, buffer, buffer[0]);
- return 1;
-}
-
-int cdutils::get_pt_infos() {
- Byte * buffer;
-
- if ((pt1 <= 0) && (pt2 <= 0))
- if (!get_iso_infos())
- return 0;
-
- if ((!pt1) & (!pt2)) {
- printm(M_ERROR, "No path table defined.\n");
- return 0;
- }
-
- buffer = (Byte *) malloc(ptl);
- read_datas(buffer, ptl, GUESS, !pt1 ? pt2 : pt1);
-
- if (buffer[0] == 1)
- if (buffer[1] == 0)
- if (buffer[6] == 1)
- if (buffer[7] == 0)
- if (buffer[8] == 0)
- if (buffer[9] == 0)
- root = *((unsigned long int *) &(buffer[2]));
-
- free(buffer);
- return root ? 1 : 0;
-}
-
-int cdutils::show_pt_infos() {
- Byte * buffer;
- char pbuf[100];
- int i, ptr;
-
- if ((pt1 <= 0) && (pt2 <= 0))
- if (!get_iso_infos())
- return 0;
-
- if ((!pt1) & (!pt2)) {
- printm(M_ERROR, "No path table defined.\n");
- return 0;
- }
-
- buffer = (Byte *) malloc(ptl + 2);
- read_datas(buffer, ptl, GUESS, !pt1 ? pt2 : pt1);
-
- printm(M_BARE, "node^paren@sector : name\n");
- for (ptr = 0, i = 1; buffer[ptr]; ptr += ptr & 1, i++) {
- strncpy(pbuf, (char *) &(buffer[8 + ptr]), buffer[ptr]);
- pbuf[buffer[ptr]] = 0;
- printm(M_BARE, "%3i ^ %3i @ %6i: %s\n", i, *((unsigned short *) &(buffer[6 + ptr])), *((unsigned long *) &(buffer[2 + ptr])), pbuf);
- ptr += 8 + buffer[ptr];
- }
-
- free(buffer);
- return 1;
-}
-
-struct cdutils::DirEntry cdutils::find_path(String path) {
- char * newpath = path.strdup();
- char ** pts = split(newpath, '/');
- struct DirEntry dir = {0, 0, 0, 0, 0};
-
- if ((pt1 <= 0) && (pt2 <= 0))
- if (!get_iso_infos()) {
- free(newpath);
- return dir;
- }
-
- if ((!pt1) & (!pt2)) {
- printm(M_ERROR, "No path table defined.\n");
- free(newpath);
- return dir;
- }
-
- if (!**pts)
- pts++;
-
- for (dir = *rootDir; *pts; pts++) {
- if (!strlen(*pts))
- continue;
- dir = find_dir_entry(&dir, *pts);
- if (!dir.R) {
- free(newpath);
- return dir;
- }
- }
-
- free(newpath);
- return dir;
-}
-
-struct cdutils::DirEntry cdutils::find_parent(String path) {
- char * newpath = path.strdup();
- char ** pts, * p;
- struct DirEntry dir = {0, 0, 0, 0, 0};
-
- if ((p = strchr(newpath, '/'))) {
- *p = 0;
- }
- if (!*newpath) {
- free(newpath);
- return *rootDir;
- }
- pts = split(newpath, '/');
-
- if ((pt1 <= 0) && (pt2 <= 0))
- if (!get_iso_infos()) {
- free(newpath);
- return dir;
- }
-
- if ((!pt1) & (!pt2)) {
- printm(M_ERROR, "No path table defined.\n");
- free(newpath);
- return dir;
- }
-
- if (!**pts)
- pts++;
-
- for (dir = *rootDir; *pts; pts++) {
- if (!strlen(*pts))
- continue;
- dir = find_dir_entry(&dir, *pts);
- if (!dir.R) {
- free(newpath);
- return dir;
- }
- }
-
- free(newpath);
- return dir;
-}
-
-struct cdutils::DirEntry * cdutils::find_path(Byte ** bufout, String path) {
- char * newpath = path.strdup();
- char ** pts = split(newpath, '/');
- struct DirEntry * dir;
-
- *bufout = 0;
-
- if ((pt1 <= 0) && (pt2 <= 0))
- if (!get_iso_infos()) {
- free(newpath);
- return 0;
- }
-
- if ((!pt1) & (!pt2)) {
- printm(M_ERROR, "No path table defined.\n");
- free(newpath);
- return 0;
- }
-
- if (!**pts)
- pts++;
-
- for (dir = rootDir; *pts; pts++) {
- if (!strlen(*pts))
- continue;
- dir = find_dir_entry(bufout, dir, *pts);
- if (!dir) {
- free(newpath);
- free(*bufout);
- return 0;
- }
- }
-
- if (!dir) {
- free(*bufout);
- }
-
- free(newpath);
- return dir;
-}
-
-struct cdutils::DirEntry * cdutils::find_parent(Byte ** bufout, String path) {
- char * newpath = path.strdup();
- char ** pts, * p;
- struct DirEntry * dir;
-
- *bufout = 0;
-
- if ((p = strchr(newpath, '/'))) {
- *p = 0;
- }
- if (!*newpath) {
- free(newpath);
- return rootDir;
- }
- pts = split(newpath, '/');
-
- if ((pt1 <= 0) && (pt2 <= 0))
- if (!get_iso_infos()) {
- free(newpath);
- return 0;
- }
-
- if ((!pt1) & (!pt2)) {
- printm(M_ERROR, "No path table defined.\n");
- free(newpath);
- return 0;
- }
-
- if (!**pts)
- pts++;
-
- for (dir = rootDir; *pts; pts++) {
- free(*bufout);
- if (!strlen(*pts))
- continue;
- dir = find_dir_entry(bufout, dir, *pts);
- if (!dir) {
- free(newpath);
- return dir;
- }
- }
-
- if (!dir) {
- free(*bufout);
- }
-
- free(newpath);
- return dir;
-}
-
-cdfile::cdfile(cdutils * _cd, const cdutils::DirEntry * d, int _mode) : Handle(-1), cd(_cd), sector(d->Sector), mode(_mode), size(d->Size), name(d->id) {
- if (mode == GUESS) {
- mode = cd->guess_type(sector);
- }
- dir = (cdutils::DirEntry *) malloc(d->R);
- memcpy(dir, d, d->R);
- itell = 0;
-}
-
-cdfile::cdfile(cdutils * _cd, int _sector, ssize_t _size, int _mode) : Handle(-1), cd(_cd), sector(_sector), mode(_mode), size(_size), name("raw reading") {
- Byte datas[2352];
- bool eof;
-
- if (mode == GUESS) {
- mode = cd->guess_type(sector);
- }
- if (_size == -1) {
- size = 0;
- if ((mode == MODE2_FORM1) || (mode == MODE2_FORM2)) {
- do {
- cd->read_sector(datas, MODE_RAW, sector + size++);
- eof = datas[18] & 0x80;
- } while (!eof);
- size *= sec_sizes[mode];
- }
- }
- dir = 0;
- itell = 0;
-}
-
-cdfile::~cdfile() {
- free(dir);
-}
-
-ssize_t cdfile::read(void *buf, size_t count) throw (GeneralException) {
- Byte buffer[2352];
- size_t startsec, startbyte, nstartbytes;
-
- count = MIN(count, (size_t) (size - itell));
-
- if (!count) {
- close();
- return 0;
- }
-
- startsec = itell / sec_sizes[mode] + sector;
- startbyte = itell % sec_sizes[mode];
- nstartbytes = sec_sizes[mode] - startbyte;
- nstartbytes = MIN(nstartbytes, count);
- count -= nstartbytes;
-
- cd->read_sector(buffer, mode, startsec);
- memcpy(buf, buffer + startbyte, nstartbytes);
- buf = (Byte *) buf + nstartbytes;
-
- if (count) {
- cd->read_datas((Byte *) buf, count, mode, startsec + 1);
- }
-
- itell += count + nstartbytes;
-
- return count + nstartbytes;
-}
-
-bool cdfile::CanRead() const {
- return true;
-}
-
-String cdfile::GetName() const {
- return String("cdfile: ") + name;
-}
-
-bool cdfile::CanWatch() const {
- return false;
-}
-
-ssize_t cdfile::GetSize() const {
- return size;
-}
-
-bool cdfile::CanSeek() const {
- return true;
-}
-
-off_t cdfile::seek(off_t off, int wheel) throw (GeneralException) {
- switch (wheel) {
- case SEEK_SET:
- itell = off;
- break;
- case SEEK_CUR:
- itell += off;
- break;
- case SEEK_END:
- itell = size + off;
- break;
- }
- return itell;
-}
+/*
+ * PSX-Tools Bundle Pack
+ * Copyright (C) 2002-2003 Nicolas "Pixel" Noble
+ *
+ * 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 2 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+/* $Id: cdutils.cpp,v 1.31 2004-10-19 15:58:41 pixel Exp $ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include "generic.h"
+#include "cdutils.h"
+#include "Output.h"
+
+const long sec_sizes[7] = {0, 2048, 2336, 2048, 2324, 2352, 2352};
+const long sec_offsts[7] = {0, 16, 16, 24, 24, 0, 0};
+const String sec_modes[7] = {"MODE 0 (empty)", "MODE 1", "MODE 2", "MODE 2 FORM 1", "MODE 2 FORM 2", "Raw", "Autodetect"};
+
+cdutils::cdutils(Handle * r, Handle * w) : rootDir(0), f_iso_r(r), f_iso_w(w), ppf_file(0), pt1(-1), pt2(-1), snum(0), ptl(0), root(0) {}
+
+cdutils::~cdutils() {
+ if (ppf_file)
+ delete ppf_file;
+ free(rootDir);
+}
+
+unsigned char cdutils::from_BCD(unsigned char x) {
+ return ((x & 0xf) + ((x & 0xf0) >> 4) * 10);
+}
+
+unsigned char cdutils::to_BCD(unsigned char x) {
+ return ((x / 10) << 4) | (x % 10);
+}
+
+bool cdutils::is_valid_BCD(unsigned char x) {
+ return (((x & 15) < 10) && ((x >> 4) < 10));
+}
+
+unsigned long cdutils::from_MSF(unsigned char m, unsigned char s, unsigned char f, unsigned long start) {
+ return (from_BCD(m) * 60 + from_BCD(s)) * 75 + from_BCD(f) - start;
+}
+
+unsigned long cdutils::from_MSF(unsigned long msf, unsigned long start) {
+ unsigned char
+ f = msf & 0xff,
+ s = (msf >> 8) & 0xff,
+ m = (msf >> 16) & 0xff;
+
+ return from_MSF(m, s, f, start);
+}
+
+void cdutils::to_MSF(int sect, unsigned char & m, unsigned char & s, unsigned char & f, unsigned long start) {
+ sect += start;
+ f = to_BCD(sect % 75);
+ sect /= 75;
+ s = to_BCD(sect % 60);
+ m = to_BCD(sect / 60);
+}
+
+unsigned long cdutils::to_MSF(int sect, unsigned long start) {
+ unsigned char m, s, f;
+ to_MSF(sect, m, s, f, start);
+ return f | (s << 8) | (m << 16);
+}
+
+Handle * cdutils::open_ppf(String ppf, String comment) throw (GeneralException) {
+ int i, l;
+
+ if (ppf_file)
+ throw GeneralException("Tried to open_ppf() while already opened.");
+ ppf_file = new Output(ppf);
+ ppf_file->write("PPF20\001", 6);
+
+ l = comment.strlen();
+ if (l >= 50) {
+ ppf_file->write(comment.to_charp(), 50);
+ } else {
+ char * t = " ";
+ ppf_file->write(comment.to_charp(), l);
+ for (i = l; i < 50; i++) {
+ ppf_file->write(t, 1);
+ }
+ }
+
+ l = f_iso_r->GetSize();
+ ppf_file->write(&l, sizeof(l));
+
+ f_iso_r->seek(0x9320, SEEK_SET);
+// copy(f_iso_r, ppf_file, 1024);
+ return ppf_file;
+}
+
+void cdutils::write_ppf(Byte * old_sec, Byte * new_sec, int sec_num) {
+ int i, l = 0, o;
+
+ for (i = 0; i < 2352; i++) {
+ if (old_sec[i] == new_sec[i]) {
+ if (l != 0) {
+ o = 2352 * sec_num + i;
+ ppf_file->write(&o, sizeof(o));
+ ppf_file->write(&l, 1);
+ ppf_file->write(new_sec + i - l - 1, l);
+ l = 0;
+ }
+ } else {
+ l++;
+ if (l == 255) {
+ o = 2352 * sec_num + i;
+ ppf_file->write(&o, 4);
+ ppf_file->write(&l, 1);
+ ppf_file->write(new_sec + i - 255, 255);
+ l = 0;
+ }
+ }
+ }
+}
+
+void cdutils::close_ppf() throw (GeneralException) {
+ if (ppf_file) {
+ delete ppf_file;
+ ppf_file = 0;
+ } else {
+ throw GeneralException("Tried to close_ppf() without previous opening");
+ }
+}
+
+void cdutils::set_iso_w(Handle * w) {
+ if (!f_iso_w)
+ f_iso_w = w;
+}
+
+String cdutils::format_date(String input) {
+ String output;
+
+ output = input.extract(6, 7) + '/';
+ output += input.extract(4, 5) + '/';
+ output += input.extract(0, 3) + ' ';
+ output += input.extract(8, 9) + ':';
+ output += input.extract(10, 11) + ':';
+ output += input.extract(12, 13) + '.';
+ output += input.extract(14, 15);
+ output += String("").set("%+3.1f", ((float) (*((input.to_charp()) + 16))) / 4);
+ return output;
+}
+
+Uint16 cdutils::swap_word(Uint16 i) {
+ return (i >> 8) | (i << 8);
+}
+
+Uint32 cdutils::swap_dword(Uint32 i) {
+ return (i >> 24) | ((i >> 8) & 0x0000ff00) | ((i << 8) & 0x00ff0000) | (i << 24);
+}
+
+int cdutils::guess_type(int number) {
+ Byte header[24];
+
+ if (number >= 0) {
+ sector_seek(number);
+ }
+
+ f_iso_r->read(header, 24);
+ f_iso_r->seek(-24, SEEK_CUR);
+ if (header[15] == 1) {
+ return MODE_1;
+ } else if (header[15] == 2) {
+ if (*((unsigned long *) &(header[16])) == *((unsigned long *) &(header[20]))) {
+ if ((header[16] == 0) && (header[17] == 0) && (header[19] == 0)) {
+ if (header[18] & 0x20) {
+ return MODE_2_FORM_2;
+ } else {
+ return MODE_2_FORM_1;
+ }
+ }
+ }
+ return MODE_2;
+ }
+
+ return MODE_0;
+}
+
+void cdutils::sector_seek(long sector) {
+ f_iso_r->seek(2352 * sector);
+ if (f_iso_w)
+ f_iso_w->seek(2352 * sector);
+}
+
+long cdutils::read_sector(Byte * buffer, int type, int number) {
+ if (number >= 0) {
+ sector_seek(number);
+ }
+
+ if (type == GUESS) {
+ type = guess_type();
+ }
+
+ f_iso_r->seek(sec_offsts[type], SEEK_CUR);
+ f_iso_r->read(buffer, sec_sizes[type]);
+ f_iso_r->seek(2352 - sec_offsts[type] - sec_sizes[type], SEEK_CUR);
+ return sec_sizes[type];
+}
+
+void cdutils::read_datas(Byte * buffer, long size, int type, int number) {
+ Byte sector[2352];
+ int i, n, reste;
+
+ if (type == GUESS) {
+ type = guess_type(number);
+ }
+
+ n = size / sec_sizes[type];
+ reste = size - n * sec_sizes[type];
+
+ sector_seek(number);
+ for (i = 0; i < n; i++) {
+ read_sector(buffer + i * sec_sizes[type], type);
+ }
+
+ if (reste) {
+ read_sector(sector, type);
+ bcopy((char *) sector, (char *) (buffer + n * sec_sizes[type]), reste);
+ }
+}
+
+void cdutils::read_file(Handle * file, long size, int type, int number) {
+ Byte sector[2352];
+ int i, n, reste;
+
+ if (type == GUESS) {
+ type = guess_type(number);
+ }
+
+ n = size / sec_sizes[type];
+ reste = size - n * sec_sizes[type];
+
+ for (i = 0; i < n; i++) {
+ sector_seek(number + i);
+ try {
+ read_sector(sector, type);
+ }
+ catch(...) {
+ memset(sector, 0, 2352);
+ }
+ file->write(sector, sec_sizes[type]);
+ }
+
+ sector_seek(number + n);
+ if (reste) {
+ try {
+ read_sector(sector, type);
+ }
+ catch(...) {
+ memset(sector, 0, 2352);
+ }
+ file->write(sector, reste);
+ }
+}
+
+void cdutils::write_sector(Byte * buffer, int type, int number) throw (GeneralException) {
+ Byte old_sector[2352], new_sector[2352];
+
+ if (type == GUESS) {
+ type = guess_type(number);
+ }
+
+ if (number >= 0) {
+ sector_seek(number);
+ } else {
+ number = f_iso_r->tell() / 2352;
+ }
+
+ f_iso_r->read(old_sector, 2352);
+
+ yazedc_o.minute = old_sector[12];
+ yazedc_o.second = old_sector[13];
+ yazedc_o.frame = old_sector[14];
+
+ bcopy((char *) old_sector, (char *) new_sector, 2532);
+ bcopy((char *) buffer, (char *) new_sector + sec_offsts[type], sec_sizes[type]);
+
+ yazedc_o.do_encode_L2(new_sector, type, 0);
+ if (f_iso_w) {
+ f_iso_w->write(new_sector, 2352);
+ } else if (ppf_file) {
+ write_ppf(old_sector, new_sector, number);
+ } else {
+ throw GeneralException("No writing method for iso file");
+ }
+}
+
+void cdutils::write_datas(Byte * buffer, long size, int type, int number) {
+ long nbsectors, i;
+ unsigned char sector[2352];
+
+ if (type == GUESS) {
+ type = guess_type(number);
+ }
+
+ if (number >= 0) {
+ sector_seek(number);
+ }
+
+ nbsectors = size / sec_sizes[type];
+
+ for (i = 0; i < nbsectors; i++) {
+ write_sector(buffer + i * sec_sizes[type], type, number + i);
+ }
+
+ if (size % sec_sizes[type]) {
+ memset(sector, 0, 2352);
+ bcopy((char *) (buffer + i * sec_sizes[type]), (char *) sector, size % sec_sizes[type]);
+ write_sector(sector, type, number + i);
+ }
+}
+
+void cdutils::write_file(Handle * file, long size, int type, int number) {
+ long nbsectors, i;
+ unsigned char buffer[2352];
+
+ if (type == GUESS) {
+ type = guess_type(number);
+ }
+
+ if (number >= 0) {
+ sector_seek(number);
+ }
+
+ if (size < 0)
+ size = file->GetSize();
+ nbsectors = size / sec_sizes[type];
+
+ if (size % sec_sizes[type]) {
+ nbsectors++;
+ }
+
+ for (i = 0; i < nbsectors; i++) {
+ memset(buffer, 0, 2352);
+ size = file->read(buffer, sec_sizes[type]);
+ write_sector(buffer, type);
+ }
+}
+
+void cdutils::create_sector(int type, int number, bool eof) throw (GeneralException) {
+ Byte sector[2352];
+ if (!f_iso_w)
+ throw GeneralException("Can't create sector: ISO not in write mode");
+
+ to_MSF(number, yazedc_o.minute, yazedc_o.second, yazedc_o.frame);
+ memset(sector, 0, 2352);
+ if ((type == MODE2_FORM1) || (type == MODE2_FORM2)) {
+ sector[16] = sector[20] = 0; // File Number
+ sector[17] = sector[21] = 0; // Channel Number
+ sector[18] = sector[22] = 8 | (eof ? 129 : 0) |
+ (type == MODE2_FORM2 ? 32 : 0);
+ sector[19] = sector[23] = 0; // Coding Info
+ }
+ yazedc_o.do_encode_L2(sector, type, 0);
+
+ f_iso_w->seek(2352 * number);
+
+ f_iso_w->write(sector, 2352);
+
+ sector_seek(number);
+}
+
+void cdutils::show_head_entry(void) {
+ printm(M_BARE, "Sector Size Date Time Flags Name XA flags\n");
+}
+
+int cdutils::show_entry(struct DirEntry * dir) {
+ char pbuf[200], pad;
+ int s;
+ if ((!dir) || (!dir->R)) {
+ return 1;
+ }
+
+ strncpy(pbuf, dir->id, dir->N);
+ pbuf[dir->N] = 0;
+ if ((dir->N == 1) && (pbuf[0] == 0)) {
+ strcpy(pbuf, ".");
+ }
+ if ((dir->N == 1) && (pbuf[0] == 1)) {
+ strcpy(pbuf, "..");
+ }
+
+ s = 33 + dir->N;
+ if (s & 1) {
+ s++;
+ pad = 1;
+ } else {
+ pad = 0;
+ }
+ if (s != dir->R) {
+ if ((s + 14) == dir->R) {
+ Byte * p;
+ p = (Byte *) dir->id + dir->N + pad;
+ if ((p[6] == 'X') && (p[7] == 'A')) {
+ sprintf(pbuf, "%-14s %c%c%c%c%c", pbuf,
+ p[4] & 0x80 ? 'd' : '-',
+ p[4] & 0x40 ? 'a' : '-',
+ p[4] & 0x20 ? 's' : '-',
+ p[4] & 0x10 ? 'x' : '-',
+ p[4] & 0x08 ? 'f' : '-');
+ }
+ }
+ }
+
+ if (dir->Year < 70)
+ dir->Year += 100;
+
+ printm(M_BARE, "%6i %9i %2i/%02i/%04i %2i:%02i:%02i%+03.1f %c%c%c%c%c%c%c%c %s\n",
+ dir->Sector, dir->Size, dir->Day, dir->Month, dir->Year + 1900, dir->Hour, dir->Minute, dir->Second, ((float) dir->Offset) / 4,
+ dir->Flags & 1 ? 'H' : '-', dir->Flags & 2 ? 'D' : '-', dir->Flags & 4 ? 'A' : '-', dir->Flags & 8 ? 'R' : '-',
+ dir->Flags & 16 ? 'P' : '-', dir->Flags & 32 ? '1' : '-', dir->Flags & 64 ? '1' : '-', dir->Flags & 128 ? 'C' : '-', pbuf);
+ return dir->R;
+}
+
+int cdutils::show_dir(struct DirEntry * dir) {
+ unsigned int ptr;
+ Byte * buffer;
+
+ if (!(dir->Flags & 2)) {
+ return 0;
+ }
+
+ buffer = (Byte *) malloc(dir->Size);
+ read_datas(buffer, dir->Size, GUESS, dir->Sector);
+
+ ptr = 0;
+ while(ptr < dir->Size) {
+ ptr += show_entry((struct DirEntry *) &(buffer[ptr]));
+ }
+
+ free(buffer);
+ return 1;
+}
+
+struct cdutils::DirEntry cdutils::find_dir_entry(struct DirEntry * dir, String name) {
+ unsigned int ptr, size;
+ unsigned char * buffer;
+ struct DirEntry r = {0, 0, 0, 0, 0};
+
+ if (!(dir->Flags & 2)) {
+ return r;
+ }
+
+ buffer = (unsigned char *) malloc(size = dir->Size);
+ read_datas(buffer, dir->Size, GUESS, dir->Sector);
+
+ ptr = 0;
+ while(ptr < size) {
+ dir = (struct DirEntry *) &(buffer[ptr]);
+ if (!dir->R) {
+ ptr++;
+ } else {
+ if (!strncmp(name.to_charp(), (char *) &(dir->id), dir->N)) {
+ r = *dir;
+ }
+ ptr += dir->R;
+ }
+ }
+
+ free(buffer);
+ return r;
+}
+
+struct cdutils::DirEntry * cdutils::find_dir_entry(Byte ** bufout, struct cdutils::DirEntry * dir, String name) {
+ unsigned int ptr, size;
+ Byte * buffer;
+ struct DirEntry * rdir = 0;
+ *bufout = 0;
+
+ if (!(dir->Flags & 2)) {
+ return 0;
+ }
+
+ buffer = (Byte *) malloc(size = dir->Size);
+ read_datas(buffer, dir->Size, GUESS, dir->Sector);
+
+ ptr = 0;
+ while(ptr < size) {
+ dir = (struct DirEntry *) &(buffer[ptr]);
+ if (!dir->R) {
+ ptr++;
+ } else {
+ if (!strncmp(name.to_charp(), (char *) &(dir->id), dir->N)) {
+ rdir = dir;
+ }
+ ptr += dir->R;
+ }
+ }
+
+ if (rdir && rdir->R) {
+ free(*bufout);
+ *bufout = buffer;
+ } else {
+ free(buffer);
+ rdir = 0;
+ }
+ return rdir;
+}
+
+int cdutils::show_iso_infos() {
+ char buffer[2048];
+ char pbuff[130];
+ short int s, nogood = 0;
+
+ read_sector((Byte *) buffer, GUESS, 16);
+
+ printm(M_BARE, "Sector guessed mode : " + sec_modes[guess_type(16)] + "\n");
+ printm(M_BARE, "offset-size-info : contents\n");
+ printm(M_BARE, " 0 - 1- 1 : %i\n", buffer[0]);
+ memcpy(pbuff, buffer + 1, 5);
+ pbuff[5] = 0;
+ printm(M_BARE, " 1 - 5-`CD001' : %s\n", pbuff);
+ printm(M_BARE, " 6 - 2- 1 : %i\n", s = *((short int *) &(buffer[6])));
+ printm(M_BARE, "(*this was the signature*)\n");
+ if (buffer[0] != 1) nogood = 1;
+ if (strcmp(pbuff, "CD001")) nogood = 1;
+ if (s != 1) nogood = 1;
+
+ if (nogood) {
+ printm(M_BARE, "Not a valid iso9660 file.\n");
+ return 0;
+ }
+
+ memcpy(pbuff, buffer + 8, 32);
+ pbuff[32] = 0;
+ printm(M_BARE, " 8 - 32- SYSID : %s\n", pbuff);
+ memcpy(pbuff, buffer + 40, 32);
+ pbuff[32] = 0;
+ printm(M_BARE, " 40 - 32- VOLID : %s\n", pbuff);
+ printm(M_BARE, " 80 - 8- SNum : %li\n", *((long int *) &(buffer[80])));
+ printm(M_BARE, " 120 - 4- VOLSiz : %i\n", *((short int *) &(buffer[120])));
+ printm(M_BARE, " 124 - 4- VOLNum : %i\n", *((short int *) &(buffer[124])));
+ printm(M_BARE, " 128 - 4- SSize : %i\n", *((short int *) &(buffer[128])));
+ printm(M_BARE, " 132 - 8- PSize : %li\n", *((long int *) &(buffer[132])));
+ printm(M_BARE, " 140 - 4- 1SLPath: %i\n", *((long int *) &(buffer[140])));
+ printm(M_BARE, " 144 - 4- 2SLPath: %i\n", *((long int *) &(buffer[144])));
+ printm(M_BARE, " 148 - 4- 1SBPath: %i\n", swap_word(*((long int *) &(buffer[150]))));
+ printm(M_BARE, " 152 - 4- 2SBPath: %i\n", swap_word(*((long int *) &(buffer[154]))));
+ memcpy(pbuff, buffer + 190, 128);
+ pbuff[128] = 0;
+ printm(M_BARE, " 190 - 128- VStId : %s\n", pbuff);
+ memcpy(pbuff, buffer + 318, 128);
+ pbuff[128] = 0;
+ printm(M_BARE, " 318 - 128- PubId : %s\n", pbuff);
+ memcpy(pbuff, buffer + 446, 128);
+ pbuff[128] = 0;
+ printm(M_BARE, " 446 - 128- DPrId : %s\n", pbuff);
+ memcpy(pbuff, buffer + 574, 128);
+ pbuff[128] = 0;
+ printm(M_BARE, " 574 - 128- AppId : %s\n", pbuff);
+ memcpy(pbuff, buffer + 702, 37);
+ pbuff[37] = 0;
+ printm(M_BARE, " 702 - 37- CpyFile: %s\n", pbuff);
+ memcpy(pbuff, buffer + 739, 37);
+ pbuff[37] = 0;
+ printm(M_BARE, " 739 - 37- AbsFile: %s\n", pbuff);
+ memcpy(pbuff, buffer + 776, 37);
+ pbuff[37] = 0;
+ printm(M_BARE, " 776 - 37- BibFile: %s\n", pbuff);
+ printm(M_BARE, " 813 - 17- DTCreat: " + format_date(&buffer[813]) + "\n");
+ printm(M_BARE, " 830 - 17- DTModif: " + format_date(&buffer[830]) + "\n");
+ printm(M_BARE, " 847 - 17- DTExpir: " + format_date(&buffer[847]) + "\n");
+ printm(M_BARE, " 864 - 17- DTEffec: " + format_date(&buffer[864]) + "\n");
+
+ printm(M_BARE, "Root record:\n");
+ show_head_entry();
+ show_entry((DirEntry *) &(buffer[156]));
+
+ return 1;
+}
+
+int cdutils::get_iso_infos() {
+ Byte buffer[2048];
+ char pbuff[130];
+ short int s, nogood = 0;
+ int rootsec;
+
+ read_sector(buffer, GUESS, 16);
+
+ memcpy(pbuff, buffer + 1, 5);
+ pbuff[5] = 0;
+
+ s = *((short int *) &(buffer[6]));
+ if (buffer[0] != 1) nogood = 1;
+ if (strcmp(pbuff, "CD001")) nogood = 1;
+ if (s != 1) nogood = 1;
+
+ if (nogood) {
+ printm(M_ERROR, "Not a valid iso9660 file.\n");
+ return 0;
+ }
+
+ pt1 = *((short int *) &(buffer[140]));
+ pt2 = *((short int *) &(buffer[144]));
+ snum = *((int *) &(buffer[80]));
+ ptl = *((long int *) &(buffer[132]));
+ rootsec = ((struct DirEntry *) (&buffer[156]))->Sector;
+ read_sector(buffer, GUESS, rootsec);
+ rootDir = (struct DirEntry *) malloc(buffer[0]);
+ memcpy(rootDir, buffer, buffer[0]);
+ return 1;
+}
+
+int cdutils::get_pt_infos() {
+ Byte * buffer;
+
+ if ((pt1 <= 0) && (pt2 <= 0))
+ if (!get_iso_infos())
+ return 0;
+
+ if ((!pt1) & (!pt2)) {
+ printm(M_ERROR, "No path table defined.\n");
+ return 0;
+ }
+
+ buffer = (Byte *) malloc(ptl);
+ read_datas(buffer, ptl, GUESS, !pt1 ? pt2 : pt1);
+
+ if (buffer[0] == 1)
+ if (buffer[1] == 0)
+ if (buffer[6] == 1)
+ if (buffer[7] == 0)
+ if (buffer[8] == 0)
+ if (buffer[9] == 0)
+ root = *((unsigned long int *) &(buffer[2]));
+
+ free(buffer);
+ return root ? 1 : 0;
+}
+
+int cdutils::show_pt_infos() {
+ Byte * buffer;
+ char pbuf[100];
+ int i, ptr;
+
+ if ((pt1 <= 0) && (pt2 <= 0))
+ if (!get_iso_infos())
+ return 0;
+
+ if ((!pt1) & (!pt2)) {
+ printm(M_ERROR, "No path table defined.\n");
+ return 0;
+ }
+
+ buffer = (Byte *) malloc(ptl + 2);
+ read_datas(buffer, ptl, GUESS, !pt1 ? pt2 : pt1);
+
+ printm(M_BARE, "node^paren@sector : name\n");
+ for (ptr = 0, i = 1; buffer[ptr]; ptr += ptr & 1, i++) {
+ strncpy(pbuf, (char *) &(buffer[8 + ptr]), buffer[ptr]);
+ pbuf[buffer[ptr]] = 0;
+ printm(M_BARE, "%3i ^ %3i @ %6i: %s\n", i, *((unsigned short *) &(buffer[6 + ptr])), *((unsigned long *) &(buffer[2 + ptr])), pbuf);
+ ptr += 8 + buffer[ptr];
+ }
+
+ free(buffer);
+ return 1;
+}
+
+struct cdutils::DirEntry cdutils::find_path(String path) {
+ char * newpath = path.strdup();
+ char ** pts = split(newpath, '/');
+ struct DirEntry dir = {0, 0, 0, 0, 0};
+
+ if ((pt1 <= 0) && (pt2 <= 0))
+ if (!get_iso_infos()) {
+ free(newpath);
+ return dir;
+ }
+
+ if ((!pt1) & (!pt2)) {
+ printm(M_ERROR, "No path table defined.\n");
+ free(newpath);
+ return dir;
+ }
+
+ if (!**pts)
+ pts++;
+
+ for (dir = *rootDir; *pts; pts++) {
+ if (!strlen(*pts))
+ continue;
+ dir = find_dir_entry(&dir, *pts);
+ if (!dir.R) {
+ free(newpath);
+ return dir;
+ }
+ }
+
+ free(newpath);
+ return dir;
+}
+
+struct cdutils::DirEntry cdutils::find_parent(String path) {
+ char * newpath = path.strdup();
+ char ** pts, * p;
+ struct DirEntry dir = {0, 0, 0, 0, 0};
+
+ if ((p = strchr(newpath, '/'))) {
+ *p = 0;
+ }
+ if (!*newpath) {
+ free(newpath);
+ return *rootDir;
+ }
+ pts = split(newpath, '/');
+
+ if ((pt1 <= 0) && (pt2 <= 0))
+ if (!get_iso_infos()) {
+ free(newpath);
+ return dir;
+ }
+
+ if ((!pt1) & (!pt2)) {
+ printm(M_ERROR, "No path table defined.\n");
+ free(newpath);
+ return dir;
+ }
+
+ if (!**pts)
+ pts++;
+
+ for (dir = *rootDir; *pts; pts++) {
+ if (!strlen(*pts))
+ continue;
+ dir = find_dir_entry(&dir, *pts);
+ if (!dir.R) {
+ free(newpath);
+ return dir;
+ }
+ }
+
+ free(newpath);
+ return dir;
+}
+
+struct cdutils::DirEntry * cdutils::find_path(Byte ** bufout, String path) {
+ char * newpath = path.strdup();
+ char ** pts = split(newpath, '/');
+ struct DirEntry * dir;
+
+ *bufout = 0;
+
+ if ((pt1 <= 0) && (pt2 <= 0))
+ if (!get_iso_infos()) {
+ free(newpath);
+ return 0;
+ }
+
+ if ((!pt1) & (!pt2)) {
+ printm(M_ERROR, "No path table defined.\n");
+ free(newpath);
+ return 0;
+ }
+
+ if (!**pts)
+ pts++;
+
+ for (dir = rootDir; *pts; pts++) {
+ if (!strlen(*pts))
+ continue;
+ dir = find_dir_entry(bufout, dir, *pts);
+ if (!dir) {
+ free(newpath);
+ free(*bufout);
+ return 0;
+ }
+ }
+
+ if (!dir) {
+ free(*bufout);
+ }
+
+ free(newpath);
+ return dir;
+}
+
+struct cdutils::DirEntry * cdutils::find_parent(Byte ** bufout, String path) {
+ char * newpath = path.strdup();
+ char ** pts, * p;
+ struct DirEntry * dir;
+
+ *bufout = 0;
+
+ if ((p = strchr(newpath, '/'))) {
+ *p = 0;
+ }
+ if (!*newpath) {
+ free(newpath);
+ return rootDir;
+ }
+ pts = split(newpath, '/');
+
+ if ((pt1 <= 0) && (pt2 <= 0))
+ if (!get_iso_infos()) {
+ free(newpath);
+ return 0;
+ }
+
+ if ((!pt1) & (!pt2)) {
+ printm(M_ERROR, "No path table defined.\n");
+ free(newpath);
+ return 0;
+ }
+
+ if (!**pts)
+ pts++;
+
+ for (dir = rootDir; *pts; pts++) {
+ free(*bufout);
+ if (!strlen(*pts))
+ continue;
+ dir = find_dir_entry(bufout, dir, *pts);
+ if (!dir) {
+ free(newpath);
+ return dir;
+ }
+ }
+
+ if (!dir) {
+ free(*bufout);
+ }
+
+ free(newpath);
+ return dir;
+}
+
+cdfile::cdfile(cdutils * _cd, const cdutils::DirEntry * d, int _mode) : Handle(-1), cd(_cd), sector(d->Sector), mode(_mode), size(d->Size), name(d->id) {
+ if (mode == GUESS) {
+ mode = cd->guess_type(sector);
+ }
+ dir = (cdutils::DirEntry *) malloc(d->R);
+ memcpy(dir, d, d->R);
+ itell = 0;
+}
+
+cdfile::cdfile(cdutils * _cd, int _sector, ssize_t _size, int _mode) : Handle(-1), cd(_cd), sector(_sector), mode(_mode), size(_size), name("raw reading") {
+ Byte datas[2352];
+ bool eof;
+
+ if (mode == GUESS) {
+ mode = cd->guess_type(sector);
+ }
+ if (_size == -1) {
+ size = 0;
+ if ((mode == MODE2_FORM1) || (mode == MODE2_FORM2)) {
+ do {
+ cd->read_sector(datas, MODE_RAW, sector + size++);
+ eof = datas[18] & 0x80;
+ } while (!eof);
+ size *= sec_sizes[mode];
+ }
+ }
+ dir = 0;
+ itell = 0;
+}
+
+cdfile::~cdfile() {
+ free(dir);
+}
+
+ssize_t cdfile::read(void *buf, size_t count) throw (GeneralException) {
+ Byte buffer[2352];
+ size_t startsec, startbyte, nstartbytes;
+
+ count = MIN(count, (size_t) (size - itell));
+
+ if (!count) {
+ close();
+ return 0;
+ }
+
+ startsec = itell / sec_sizes[mode] + sector;
+ startbyte = itell % sec_sizes[mode];
+ nstartbytes = sec_sizes[mode] - startbyte;
+ nstartbytes = MIN(nstartbytes, count);
+ count -= nstartbytes;
+
+ cd->read_sector(buffer, mode, startsec);
+ memcpy(buf, buffer + startbyte, nstartbytes);
+ buf = (Byte *) buf + nstartbytes;
+
+ if (count) {
+ cd->read_datas((Byte *) buf, count, mode, startsec + 1);
+ }
+
+ itell += count + nstartbytes;
+
+ return count + nstartbytes;
+}
+
+bool cdfile::CanRead() const {
+ return true;
+}
+
+String cdfile::GetName() const {
+ return String("cdfile: ") + name;
+}
+
+bool cdfile::CanWatch() const {
+ return false;
+}
+
+ssize_t cdfile::GetSize() const {
+ return size;
+}
+
+bool cdfile::CanSeek() const {
+ return true;
+}
+
+off_t cdfile::seek(off_t off, int wheel) throw (GeneralException) {
+ switch (wheel) {
+ case SEEK_SET:
+ itell = off;
+ break;
+ case SEEK_CUR:
+ itell += off;
+ break;
+ case SEEK_END:
+ itell = size + off;
+ break;
+ }
+ return itell;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-11 09:41:50 +0000