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-rw-r--r--genisoimage/diag/dump.c428
1 files changed, 428 insertions, 0 deletions
diff --git a/genisoimage/diag/dump.c b/genisoimage/diag/dump.c
new file mode 100644
index 0000000..b853c4e
--- /dev/null
+++ b/genisoimage/diag/dump.c
@@ -0,0 +1,428 @@
+/*
+ * 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.
+ *
+ */
+
+/* @(#)dump.c 1.24 05/05/15 joerg */
+/*
+ * File dump.c - dump a file/device both in hex and in ASCII.
+ *
+ * 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 <ttydefs.h>
+#include <signal.h>
+#include <schily.h>
+
+#include "../scsi.h"
+#include "../../wodim/defaults.h"
+
+/*
+ * 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;
+static off_t file_addr;
+static off_t sec_addr = (off_t)-1;
+static Uchar sector[2048];
+#define PAGE 256
+static Uchar buffer[PAGE];
+static Uchar search[64];
+
+#ifdef USE_V7_TTY
+static struct sgttyb savetty;
+static struct sgttyb newtty;
+#else
+static struct termios savetty;
+static struct termios newtty;
+#endif
+
+static void reset_tty(void);
+static void set_tty(void);
+static void onsusp(int sig);
+static void crsr2(int row, int col);
+static void readblock(void);
+static void showblock(int flag);
+static int getbyte(void);
+static void usage(int excode);
+
+static void
+reset_tty()
+{
+#ifdef USE_V7_TTY
+ if (ioctl(STDIN_FILENO, TIOCSETN, &savetty) == -1) {
+#else
+#ifdef TCSANOW
+ if (tcsetattr(STDIN_FILENO, TCSANOW, &savetty) == -1) {
+#else
+ if (ioctl(STDIN_FILENO, TCSETAF, &savetty) == -1) {
+#endif
+#endif
+#ifdef USE_LIBSCHILY
+ comerr("Cannot put tty into normal mode\n");
+#else
+ printf("Cannot put tty into normal mode\n");
+ exit(1);
+#endif
+ }
+}
+
+static void
+set_tty()
+{
+#ifdef USE_V7_TTY
+ if (ioctl(STDIN_FILENO, TIOCSETN, &newtty) == -1) {
+#else
+#ifdef TCSANOW
+ if (tcsetattr(STDIN_FILENO, TCSANOW, &newtty) == -1) {
+#else
+ if (ioctl(STDIN_FILENO, TCSETAF, &newtty) == -1) {
+#endif
+#endif
+#ifdef USE_LIBSCHILY
+ comerr("Cannot put tty into raw mode\n");
+#else
+ printf("Cannot put tty into raw mode\n");
+ exit(1);
+#endif
+ }
+}
+
+
+/*
+ * Come here when we get a suspend signal from the terminal
+ */
+static void
+onsusp(int sig)
+{
+#ifdef SIGTTOU
+ /* ignore SIGTTOU so we don't get stopped if csh grabs the tty */
+ signal(SIGTTOU, SIG_IGN);
+#endif
+ reset_tty();
+ fflush(stdout);
+#ifdef SIGTTOU
+ signal(SIGTTOU, SIG_DFL);
+ /* Send the TSTP signal to suspend our process group */
+ signal(SIGTSTP, SIG_DFL);
+ /* sigsetmask(0);*/
+ kill(0, SIGTSTP);
+ /* Pause for station break */
+
+ /* We're back */
+ signal(SIGTSTP, onsusp);
+#endif
+ set_tty();
+}
+
+
+static void
+crsr2(int row, int col)
+{
+ printf("\033[%d;%dH", row, col);
+}
+
+static void
+readblock()
+{
+ off_t dpos = file_addr - sec_addr;
+
+ if (sec_addr < 0 ||
+ dpos < 0 || (dpos + sizeof (buffer)) > sizeof (sector)) {
+ sec_addr = file_addr & ~2047;
+#ifdef USE_SCG
+ readsecs(sec_addr/2048, sector, ISO_BLOCKS(sizeof (sector)));
+#else
+ lseek(fileno(infile), sec_addr, SEEK_SET);
+ read(fileno(infile), sector, sizeof (sector));
+#endif
+ dpos = file_addr - sec_addr;
+ }
+ movebytes(&sector[dpos], buffer, sizeof (buffer));
+}
+
+static void
+showblock(int flag)
+{
+ unsigned int k;
+ int i;
+ int j;
+
+ readblock();
+ if (flag) {
+ for (i = 0; i < 16; i++) {
+ crsr2(i+3, 1);
+ if (sizeof (file_addr) > sizeof (long)) {
+ printf("%16.16llx ", (Llong)file_addr+(i<<4));
+ } else {
+ printf("%8.8lx ", (long)file_addr+(i<<4));
+ }
+ for (j = 15; j >= 0; j--) {
+ printf("%2.2x", buffer[(i<<4)+j]);
+ if (!(j & 0x3))
+ printf(" ");
+ }
+ for (j = 0; j < 16; j++) {
+ k = buffer[(i << 4) + j];
+ if (k >= ' ' && k < 0x80)
+ printf("%c", k);
+ else
+ printf(".");
+ }
+ }
+ }
+ crsr2(20, 1);
+ if (sizeof (file_addr) > sizeof (long)) {
+ printf(" Zone, zone offset: %14llx %12.12llx ",
+ (Llong)file_addr>>11, (Llong)file_addr & 0x7ff);
+ } else {
+ printf(" Zone, zone offset: %6lx %4.4lx ",
+ (long)(file_addr>>11), (long)(file_addr & 0x7ff));
+ }
+ fflush(stdout);
+}
+
+static int
+getbyte()
+{
+ char c1;
+
+ c1 = buffer[file_addr & (PAGE-1)];
+ file_addr++;
+ if ((file_addr & (PAGE-1)) == 0)
+ showblock(0);
+ return (c1);
+}
+
+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;
+ char c;
+ int i;
+ int j;
+
+ 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("devdump %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
+ }
+
+ for (i = 0; i < 30; i++)
+ printf("\n");
+ file_addr = (off_t)0;
+
+ /*
+ * Now setup the keyboard for single character input.
+ */
+#ifdef USE_V7_TTY
+ if (ioctl(STDIN_FILENO, TIOCGETP, &savetty) == -1) {
+#else
+#ifdef TCSANOW
+ if (tcgetattr(STDIN_FILENO, &savetty) == -1) {
+#else
+ if (ioctl(STDIN_FILENO, TCGETA, &savetty) == -1) {
+#endif
+#endif
+#ifdef USE_LIBSCHILY
+ comerr("Stdin must be a tty\n");
+#else
+ printf("Stdin must be a tty\n");
+ exit(1);
+#endif
+ }
+ newtty = savetty;
+#ifdef USE_V7_TTY
+ newtty.sg_flags &= ~(ECHO|CRMOD);
+ newtty.sg_flags |= CBREAK;
+#else
+ newtty.c_lflag &= ~ICANON;
+ newtty.c_lflag &= ~ECHO;
+ newtty.c_cc[VMIN] = 1;
+#endif
+ set_tty();
+#ifdef SIGTSTP
+ signal(SIGTSTP, onsusp);
+#endif
+ on_comerr((void(*)(int, void *))reset_tty, NULL);
+
+ do {
+ if (file_addr < (off_t)0) file_addr = (off_t)0;
+ showblock(1);
+ read(STDIN_FILENO, &c, 1); /* FIXME: check return value */
+ if (c == 'a')
+ file_addr -= PAGE;
+ if (c == 'b')
+ file_addr += PAGE;
+ if (c == 'g') {
+ crsr2(20, 1);
+ printf("Enter new starting block (in hex):");
+ if (sizeof (file_addr) > sizeof (long)) {
+ Llong ll;
+ scanf("%llx", &ll); /* FIXME: check return value */
+ file_addr = (off_t)ll;
+ } else {
+ long l;
+ scanf("%lx", &l); /* FIXME: check return value */
+ file_addr = (off_t)l;
+ }
+ file_addr = file_addr << 11;
+ crsr2(20, 1);
+ printf(" ");
+ }
+ if (c == 'f') {
+ crsr2(20, 1);
+ printf("Enter new search string:");
+ fgets((char *)search, sizeof (search), stdin); /* FIXME: check return value */
+ while (search[strlen((char *)search)-1] == '\n')
+ search[strlen((char *)search)-1] = 0;
+ crsr2(20, 1);
+ printf(" ");
+ }
+ if (c == '+') {
+ while (1 == 1) {
+ int slen;
+
+ while (1 == 1) {
+ c = getbyte();
+ if (c == search[0])
+ break;
+ }
+ slen = (int)strlen((char *)search);
+ for (j = 1; j < slen; j++) {
+ if (search[j] != getbyte())
+ break;
+ }
+ if (j == slen)
+ break;
+ }
+ file_addr &= ~(PAGE-1);
+ showblock(1);
+ }
+ if (c == 'q')
+ break;
+ } while (1 == 1);
+ reset_tty();
+ if (infile != NULL)
+ fclose(infile);
+ return (0);
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-03 18:33:51 +0000