908 lines
20 KiB
C
908 lines
20 KiB
C
/*
|
|
|
|
/usr/src/ext2ed/general_com.c
|
|
|
|
A part of the extended file system 2 disk editor.
|
|
|
|
---------------------
|
|
General user commands
|
|
---------------------
|
|
|
|
First written on: April 9 1995
|
|
|
|
Copyright (C) 1995 Gadi Oxman
|
|
|
|
*/
|
|
|
|
#include "config.h"
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
#include "ext2ed.h"
|
|
#include "../version.h"
|
|
|
|
void help (char *command_line)
|
|
|
|
{
|
|
int i,max_line=0;
|
|
char argument [80],*ptr;
|
|
|
|
werase (show_pad);wmove (show_pad,0,0);
|
|
|
|
ptr=parse_word (command_line,argument);
|
|
|
|
if (*ptr!=0) {
|
|
ptr=parse_word (ptr,argument);
|
|
if (*argument!=0) {
|
|
detailed_help (argument);
|
|
return;
|
|
}
|
|
}
|
|
|
|
if (current_type!=NULL) {
|
|
|
|
wprintw (show_pad,"Type %s specific commands:\n",current_type->name);max_line++;
|
|
|
|
if (current_type->type_commands.last_command==-1) {
|
|
wprintw (show_pad,"\nnone\n");max_line+=2;
|
|
}
|
|
else
|
|
for (i=0;i<=current_type->type_commands.last_command;i++) {
|
|
if (i%5==0) {
|
|
wprintw (show_pad,"\n");max_line++;
|
|
}
|
|
wprintw (show_pad,"%-13s",current_type->type_commands.names [i]);
|
|
if (i%5!=4)
|
|
wprintw (show_pad,"; ");
|
|
}
|
|
|
|
wprintw (show_pad,"\n\n");max_line+=2;
|
|
}
|
|
|
|
if (ext2_commands.last_command != -1) {
|
|
wprintw (show_pad,"ext2 filesystem general commands: \n");max_line++;
|
|
for (i=0;i<=ext2_commands.last_command;i++) {
|
|
if (i%5==0) {
|
|
wprintw (show_pad,"\n");max_line++;
|
|
}
|
|
wprintw (show_pad,"%-13s",ext2_commands.names [i]);
|
|
if (i%5!=4)
|
|
wprintw (show_pad,"; ");
|
|
|
|
}
|
|
wprintw (show_pad,"\n\n");max_line+=2;
|
|
}
|
|
|
|
wprintw (show_pad,"General commands: \n");
|
|
|
|
for (i=0;i<=general_commands.last_command;i++) {
|
|
if (i%5==0) {
|
|
wprintw (show_pad,"\n");max_line++;
|
|
}
|
|
wprintw (show_pad,"%-13s",general_commands.names [i]);
|
|
if (i%5!=4)
|
|
wprintw (show_pad,"; ");
|
|
}
|
|
|
|
wprintw (show_pad,"\n\n");max_line+=2;
|
|
|
|
wprintw (show_pad,"EXT2ED ver %s (%s)\n",E2FSPROGS_VERSION, E2FSPROGS_DATE);
|
|
wprintw (show_pad,"Copyright (C) 1995 Gadi Oxman\n");
|
|
wprintw (show_pad,"Reviewed 2001 Christian Bac\n");
|
|
wprintw (show_pad,"Modified and enhanced by Theodore Ts'o, 2002\n");
|
|
wprintw (show_pad,"EXT2ED is hereby placed under the terms of the GNU General Public License.\n\n");
|
|
wprintw (show_pad,"EXT2ED was programmed as a student project in the software laboratory\n");
|
|
wprintw (show_pad,"of the faculty of electrical engineering in the\n");
|
|
wprintw (show_pad,"Technion - Israel Institute of Technology\n");
|
|
wprintw (show_pad,"with the guide of Avner Lottem and Dr. Ilana David.\n");
|
|
|
|
max_line+=10;
|
|
|
|
show_pad_info.line=0;show_pad_info.max_line=max_line;
|
|
|
|
werase (show_win);wmove (show_win,0,0);
|
|
wprintw (show_win,"EXT2ED help");
|
|
|
|
refresh_show_win ();
|
|
refresh_show_pad ();
|
|
}
|
|
|
|
void detailed_help (char *text)
|
|
|
|
{
|
|
int i;
|
|
|
|
if (current_type != NULL)
|
|
for (i=0;i<=current_type->type_commands.last_command;i++) {
|
|
if (strcmp (current_type->type_commands.names [i],text)==0) {
|
|
wprintw (show_pad,"%s - %s\n",text,current_type->type_commands.descriptions [i]);
|
|
refresh_show_pad ();return;
|
|
}
|
|
}
|
|
|
|
for (i=0;i<=ext2_commands.last_command;i++) {
|
|
if (strcmp (ext2_commands.names [i],text)==0) {
|
|
wprintw (show_pad,"%s - %s\n",text,ext2_commands.descriptions [i]);
|
|
refresh_show_pad ();return;
|
|
}
|
|
}
|
|
|
|
for (i=0;i<=general_commands.last_command;i++) {
|
|
if (strcmp (general_commands.names [i],text)==0) {
|
|
wprintw (show_pad,"%s - %s\n",text,general_commands.descriptions [i]);
|
|
refresh_show_pad ();return;
|
|
}
|
|
}
|
|
|
|
if (strcmp ("quit",text)==0) {
|
|
wprintw (show_pad,"quit - Exists EXT2ED");
|
|
refresh_show_pad ();return;
|
|
}
|
|
|
|
wprintw (show_pad,"Error - Command %s not available now\n",text);
|
|
refresh_show_pad ();return;
|
|
}
|
|
|
|
|
|
|
|
void set_device (char *command_line)
|
|
|
|
{
|
|
char *ptr,new_device [80];
|
|
|
|
ptr=parse_word (command_line,new_device);
|
|
if (*ptr==0) {
|
|
wprintw (command_win,"Error - Device name not specified\n");
|
|
refresh_command_win ();return;
|
|
}
|
|
parse_word (ptr,new_device);
|
|
check_mounted (new_device);
|
|
if (mounted && !AllowMountedRead) {
|
|
wprintw (command_win,"Error - Filesystem is mounted, aborting\n");
|
|
wprintw (command_win,"You may wish to use the AllowMountedRead on configuration option\n");
|
|
refresh_command_win ();return;
|
|
}
|
|
|
|
if (mounted && AllowMountedRead) {
|
|
wprintw (command_win,"Warning - Filesystem is mounted. Displayed data may be unreliable.\n");
|
|
refresh_command_win ();
|
|
}
|
|
|
|
if (device_handle!=NULL)
|
|
fclose (device_handle);
|
|
|
|
if ( (device_handle=fopen (new_device,"rb"))==NULL) {
|
|
wprintw (command_win,"Error - Can not open device %s\n",new_device);refresh_command_win ();
|
|
return;
|
|
}
|
|
else {
|
|
strcpy (device_name,new_device);
|
|
write_access=0; /* Write access disabled */
|
|
current_type=NULL; /* There is no type now */
|
|
remember_lifo.entries_count=0; /* Empty Object memory */
|
|
free_user_commands (&ext2_commands); /* Free filesystem specific objects */
|
|
free_struct_descriptors ();
|
|
if (!set_file_system_info ()) { /* Error while getting info --> abort */
|
|
free_user_commands (&ext2_commands);
|
|
free_struct_descriptors ();
|
|
fclose (device_handle);
|
|
device_handle=NULL; /* Notice that our device is still not set up */
|
|
device_offset=-1;
|
|
return;
|
|
}
|
|
if (*AlternateDescriptors) /* Check if user defined objects exist */
|
|
set_struct_descriptors (AlternateDescriptors);
|
|
dispatch ("setoffset 0");
|
|
dispatch ("help"); /* Show help screen */
|
|
wprintw (command_win,"Device changed to %s",device_name);refresh_command_win ();
|
|
}
|
|
}
|
|
|
|
void set_offset (char *command_line)
|
|
|
|
{
|
|
long mult=1;
|
|
long new_offset;
|
|
char *ptr,new_offset_buffer [80];
|
|
|
|
if (device_handle==NULL) {
|
|
wprintw (command_win,"Error - No device opened\n");refresh_command_win ();
|
|
return;
|
|
}
|
|
|
|
ptr=parse_word (command_line,new_offset_buffer);
|
|
|
|
if (*ptr==0) {
|
|
wprintw (command_win,"Error - No argument specified\n");refresh_command_win ();
|
|
return;
|
|
}
|
|
|
|
ptr=parse_word (ptr,new_offset_buffer);
|
|
|
|
if (strcmp (new_offset_buffer,"block")==0) {
|
|
mult=file_system_info.block_size;
|
|
ptr=parse_word (ptr,new_offset_buffer);
|
|
}
|
|
|
|
if (strcmp (new_offset_buffer,"type")==0) {
|
|
if (current_type==NULL) {
|
|
wprintw (command_win,"Error - No type set\n");refresh_command_win ();
|
|
return;
|
|
}
|
|
|
|
mult=current_type->length;
|
|
ptr=parse_word (ptr,new_offset_buffer);
|
|
}
|
|
|
|
if (*new_offset_buffer==0) {
|
|
wprintw (command_win,"Error - No offset specified\n");refresh_command_win ();
|
|
return;
|
|
}
|
|
|
|
if (new_offset_buffer [0]=='+') {
|
|
if (device_offset==-1) {
|
|
wprintw (command_win,"Error - Select a fixed offset first\n");refresh_command_win ();
|
|
return;
|
|
}
|
|
new_offset=device_offset+atol (new_offset_buffer+1)*mult;
|
|
}
|
|
|
|
else if (new_offset_buffer [0]=='-') {
|
|
if (device_offset==-1) {
|
|
wprintw (command_win,"Error - Select a fixed offset first\n");refresh_command_win ();
|
|
return;
|
|
}
|
|
new_offset=device_offset-atol (new_offset_buffer+1)*mult;
|
|
if (new_offset<0) new_offset=0;
|
|
}
|
|
|
|
else
|
|
new_offset=atol (new_offset_buffer)*mult;
|
|
|
|
if ( (fseek (device_handle,new_offset,SEEK_SET))==-1) {
|
|
wprintw (command_win,"Error - Failed to seek to offset %ld in device %s\n",new_offset,device_name);
|
|
refresh_command_win ();
|
|
return;
|
|
};
|
|
device_offset=new_offset;
|
|
wprintw (command_win,"Device offset changed to %ld\n",device_offset);refresh_command_win ();
|
|
load_type_data ();
|
|
type_data.offset_in_block=0;
|
|
}
|
|
|
|
void set_int(short len, void *ptr, char *name, char *value)
|
|
{
|
|
char *char_ptr;
|
|
short *short_ptr;
|
|
long *long_ptr;
|
|
long v;
|
|
char *tmp;
|
|
|
|
v = strtol(value, &tmp, 0);
|
|
if (*tmp) {
|
|
wprintw( command_win, "Bad value - %s\n", value);
|
|
return;
|
|
}
|
|
switch (len) {
|
|
case 1:
|
|
char_ptr = (char *) ptr;
|
|
*char_ptr = v;
|
|
break;
|
|
case 2:
|
|
short_ptr = (short *) ptr;
|
|
*short_ptr = v;
|
|
break;
|
|
case 4:
|
|
long_ptr = (long *) ptr;
|
|
*long_ptr = v;
|
|
break;
|
|
default:
|
|
wprintw (command_win,
|
|
"set_int: unsupported length: %d\n", len);
|
|
return;
|
|
}
|
|
wprintw (command_win, "Variable %s set to %s\n",
|
|
name, value);
|
|
}
|
|
|
|
void set_uint(short len, void *ptr, char *name, char *value)
|
|
{
|
|
unsigned char *char_ptr;
|
|
unsigned short *short_ptr;
|
|
unsigned long *long_ptr;
|
|
unsigned long v;
|
|
char *tmp;
|
|
|
|
v = strtoul(value, &tmp, 0);
|
|
if (*tmp) {
|
|
wprintw( command_win, "Bad value - %s\n", value);
|
|
return;
|
|
}
|
|
switch (len) {
|
|
case 1:
|
|
char_ptr = (unsigned char *) ptr;
|
|
*char_ptr = v;
|
|
break;
|
|
case 2:
|
|
short_ptr = (unsigned short *) ptr;
|
|
*short_ptr = v;
|
|
break;
|
|
case 4:
|
|
long_ptr = (unsigned long *) ptr;
|
|
*long_ptr = v;
|
|
break;
|
|
default:
|
|
wprintw (command_win,
|
|
"set_uint: unsupported length: %d\n", len);
|
|
return;
|
|
}
|
|
wprintw (command_win, "Variable %s set to %s\n",
|
|
name, value);
|
|
}
|
|
|
|
void set_char(short len, void *ptr, char *name, char *value)
|
|
{
|
|
if (strlen(value)+1 > len) {
|
|
wprintw( command_win, "Value %s too big for field\n",
|
|
name, len);
|
|
return;
|
|
}
|
|
memset(ptr, 0, len);
|
|
strcpy((char *) ptr, value);
|
|
wprintw (command_win, "Variable %s set to %s\n",
|
|
name, value);
|
|
}
|
|
|
|
|
|
void set (char *command_line)
|
|
|
|
{
|
|
unsigned short *int_ptr;
|
|
unsigned char *char_ptr;
|
|
unsigned long *long_ptr,offset=0;
|
|
int i,len, found=0;
|
|
char *ptr,buffer [80],variable [80],value [80];
|
|
|
|
if (device_handle==NULL) {
|
|
wprintw (command_win,"Error - No device opened\n");refresh_command_win ();
|
|
return;
|
|
}
|
|
|
|
if (current_type==NULL) {
|
|
hex_set (command_line);
|
|
return;
|
|
}
|
|
|
|
ptr=parse_word (command_line,buffer);
|
|
if (ptr==NULL || *ptr==0) {
|
|
wprintw (command_win,"Error - Missing arguments\n");refresh_command_win ();
|
|
return;
|
|
}
|
|
parse_word (ptr,buffer);
|
|
ptr=strchr (buffer,'=');
|
|
if (ptr==NULL) {
|
|
wprintw (command_win,"Error - Bad syntax\n");refresh_command_win ();return;
|
|
}
|
|
strncpy (variable,buffer,ptr-buffer);variable [ptr-buffer]=0;
|
|
strcpy (value,++ptr);
|
|
|
|
if (current_type==NULL) {
|
|
wprintw (command_win,"Sorry, not yet supported\n");refresh_command_win ();return;
|
|
}
|
|
|
|
for (i=0;i<current_type->fields_num && !found;i++) {
|
|
if (strcmp (current_type->field_names [i],variable)==0) {
|
|
found=1;
|
|
ptr=type_data.u.buffer+offset;
|
|
len = current_type->field_lengths [i];
|
|
switch (current_type->field_types [i]) {
|
|
case FIELD_TYPE_INT:
|
|
set_int(len, ptr, variable, value);
|
|
break;
|
|
case FIELD_TYPE_UINT:
|
|
set_uint(len, ptr, variable, value);
|
|
break;
|
|
case FIELD_TYPE_CHAR:
|
|
set_char(len, ptr, variable, value);
|
|
break;
|
|
default:
|
|
wprintw (command_win,
|
|
"set: unhandled type %d\n",
|
|
current_type->field_types [i]);
|
|
break;
|
|
}
|
|
refresh_command_win ();
|
|
}
|
|
offset+=current_type->field_lengths [i];
|
|
}
|
|
if (found)
|
|
dispatch ("show");
|
|
else {
|
|
wprintw (command_win,"Error - Variable %s not found\n",variable);
|
|
refresh_command_win ();
|
|
}
|
|
}
|
|
|
|
void hex_set (char *command_line)
|
|
|
|
{
|
|
unsigned char tmp;
|
|
char *ptr,buffer [80],*ch_ptr;
|
|
int mode=HEX;
|
|
|
|
ptr=parse_word (command_line,buffer);
|
|
if (*ptr==0) {
|
|
wprintw (command_win,"Error - Argument not specified\n");refresh_command_win ();return;
|
|
}
|
|
|
|
ptr=parse_word (ptr,buffer);
|
|
|
|
if (strcasecmp (buffer,"text")==0) {
|
|
mode=TEXT;
|
|
strcpy (buffer,ptr);
|
|
}
|
|
|
|
else if (strcasecmp (buffer,"hex")==0) {
|
|
mode=HEX;
|
|
ptr=parse_word (ptr,buffer);
|
|
}
|
|
|
|
if (*buffer==0) {
|
|
wprintw (command_win,"Error - Data not specified\n");refresh_command_win ();return;
|
|
}
|
|
|
|
if (mode==HEX) {
|
|
do {
|
|
tmp=(unsigned char) strtol (buffer,NULL,16);
|
|
type_data.u.buffer [type_data.offset_in_block]=tmp;
|
|
type_data.offset_in_block++;
|
|
ptr=parse_word (ptr,buffer);
|
|
if (type_data.offset_in_block==file_system_info.block_size) {
|
|
if (*ptr) {
|
|
wprintw (command_win,"Error - Ending offset outside block, only partial string changed\n");
|
|
refresh_command_win ();
|
|
}
|
|
type_data.offset_in_block--;
|
|
}
|
|
} while (*buffer) ;
|
|
}
|
|
|
|
else {
|
|
ch_ptr=buffer;
|
|
while (*ch_ptr) {
|
|
tmp=(unsigned char) *ch_ptr++;
|
|
type_data.u.buffer [type_data.offset_in_block]=tmp;
|
|
type_data.offset_in_block++;
|
|
if (type_data.offset_in_block==file_system_info.block_size) {
|
|
if (*ch_ptr) {
|
|
wprintw (command_win,"Error - Ending offset outside block, only partial string changed\n");
|
|
refresh_command_win ();
|
|
}
|
|
type_data.offset_in_block--;
|
|
}
|
|
}
|
|
}
|
|
|
|
strcpy (buffer,"show");dispatch (buffer);
|
|
}
|
|
|
|
|
|
|
|
void set_type (char *command_line)
|
|
|
|
{
|
|
struct struct_descriptor *descriptor_ptr;
|
|
char *ptr,buffer [80],tmp_buffer [80];
|
|
short found=0;
|
|
|
|
if (!load_type_data ())
|
|
return;
|
|
|
|
ptr=parse_word (command_line,buffer);
|
|
parse_word (ptr,buffer);
|
|
|
|
if (strcmp (buffer,"none")==0 || strcmp (buffer,"hex")==0) {
|
|
wprintw (command_win,"Data will be shown as hex dump\n");refresh_command_win ();
|
|
current_type=NULL;
|
|
sprintf (tmp_buffer,"show");dispatch (tmp_buffer);
|
|
return;
|
|
}
|
|
|
|
descriptor_ptr=first_type;
|
|
while (descriptor_ptr!=NULL && !found) {
|
|
if (strcmp (descriptor_ptr->name,buffer)==0)
|
|
found=1;
|
|
else
|
|
descriptor_ptr=descriptor_ptr->next;
|
|
}
|
|
if (found) {
|
|
wprintw (command_win,"Structure type set to %s\n",buffer);refresh_command_win ();
|
|
current_type=descriptor_ptr;
|
|
sprintf (tmp_buffer,"show");dispatch (tmp_buffer);
|
|
}
|
|
else {
|
|
wprintw (command_win,"Error - %s is not a valid type\n",buffer);refresh_command_win ();
|
|
}
|
|
}
|
|
|
|
void show_int(short len, void *ptr)
|
|
{
|
|
long temp;
|
|
char *format;
|
|
|
|
switch (len) {
|
|
case 1:
|
|
temp = *((char *) ptr);
|
|
format = "%3d (0x%02x)\n";
|
|
break;
|
|
case 2:
|
|
temp = *((short *) ptr);
|
|
format = "%d (0x%x)\n";
|
|
break;
|
|
case 4:
|
|
temp = *((long *) ptr);
|
|
format = "%d\n";
|
|
break;
|
|
default:
|
|
wprintw (show_pad, "unimplemented\n");
|
|
return;
|
|
}
|
|
wprintw(show_pad, format, temp, temp);
|
|
}
|
|
|
|
void show_uint(short len, void *ptr)
|
|
{
|
|
unsigned long temp;
|
|
char *format;
|
|
|
|
switch (len) {
|
|
case 1:
|
|
temp = *((unsigned char *) ptr);
|
|
temp = temp & 0xFF;
|
|
format = "%3u (0x%02x)\n";
|
|
break;
|
|
case 2:
|
|
temp = *((unsigned short *) ptr);
|
|
temp = temp & 0xFFFF;
|
|
format = "%u (0x%x)\n";
|
|
break;
|
|
case 4:
|
|
temp = (unsigned long) *((unsigned long *) ptr);
|
|
format = "%u\n";
|
|
break;
|
|
default:
|
|
wprintw (show_pad, "unimplemented\n");
|
|
return;
|
|
}
|
|
wprintw(show_pad, format, temp, temp);
|
|
}
|
|
|
|
void show_char(short len, void *ptr)
|
|
{
|
|
unsigned char *cp = (unsigned char *) ptr;
|
|
unsigned char ch;
|
|
int i,j;
|
|
|
|
wprintw(show_pad, "\"");
|
|
|
|
for (i=0; i < len; i++) {
|
|
ch = *cp++;
|
|
if (ch == 0) {
|
|
for (j=i+1; j < len; j++)
|
|
if (cp[j-i])
|
|
break;
|
|
if (j == len)
|
|
break;
|
|
}
|
|
if (ch > 128) {
|
|
wprintw(show_pad, "M-");
|
|
ch -= 128;
|
|
}
|
|
if ((ch < 32) || (ch == 0x7f)) {
|
|
wprintw(show_pad, "^");
|
|
ch ^= 0x40; /* ^@, ^A, ^B; ^? for DEL */
|
|
}
|
|
wprintw(show_pad, "%c", ch);
|
|
}
|
|
|
|
wprintw(show_pad, "\"\n");
|
|
}
|
|
|
|
|
|
|
|
void show (char *command_line)
|
|
|
|
{
|
|
unsigned int i,l,len,temp_int;
|
|
unsigned long offset=0,temp_long;
|
|
unsigned char temp_char,*ch_ptr;
|
|
void *ptr;
|
|
|
|
if (device_handle==NULL)
|
|
return;
|
|
|
|
show_pad_info.line=0;
|
|
|
|
if (current_type==NULL) {
|
|
wmove (show_pad,0,0);
|
|
ch_ptr=type_data.u.buffer;
|
|
for (l=0;l<file_system_info.block_size/16;l++) {
|
|
wprintw (show_pad,"%08ld : ",offset);
|
|
for (i=0;i<16;i++) {
|
|
if (type_data.offset_in_block==offset+i)
|
|
wattrset (show_pad,A_REVERSE);
|
|
|
|
if (ch_ptr [i]>=' ' && ch_ptr [i]<='z')
|
|
wprintw (show_pad,"%c",ch_ptr [i]);
|
|
else
|
|
wprintw (show_pad,".");
|
|
if (type_data.offset_in_block==offset+i)
|
|
wattrset (show_pad,A_NORMAL);
|
|
}
|
|
wprintw (show_pad," ");
|
|
for (i=0;i<16;i++) {
|
|
if (type_data.offset_in_block==offset+i)
|
|
wattrset (show_pad,A_REVERSE);
|
|
|
|
wprintw (show_pad,"%02x",ch_ptr [i]);
|
|
|
|
if (type_data.offset_in_block==offset+i) {
|
|
wattrset (show_pad,A_NORMAL);
|
|
show_pad_info.line=l-l % show_pad_info.display_lines;
|
|
}
|
|
|
|
wprintw (show_pad," ");
|
|
}
|
|
wprintw (show_pad,"\n");
|
|
offset+=16;
|
|
ch_ptr+=16;
|
|
}
|
|
show_pad_info.max_line=l-1;show_pad_info.max_col=COLS-1;
|
|
refresh_show_pad ();show_info ();
|
|
}
|
|
else {
|
|
wmove (show_pad,0,0);l=0;
|
|
for (i=0;i<current_type->fields_num;i++) {
|
|
wprintw (show_pad,"%-20s = ",current_type->field_names [i]);
|
|
ptr=type_data.u.buffer+offset;
|
|
len = current_type->field_lengths[i];
|
|
switch (current_type->field_types[i]) {
|
|
case FIELD_TYPE_INT:
|
|
show_int(len, ptr);
|
|
break;
|
|
case FIELD_TYPE_UINT:
|
|
show_uint(len, ptr);
|
|
break;
|
|
case FIELD_TYPE_CHAR:
|
|
show_char(len, ptr);
|
|
break;
|
|
default:
|
|
wprintw (show_pad, "unimplemented\n");
|
|
break;
|
|
}
|
|
offset+=len;
|
|
l++;
|
|
}
|
|
current_type->length=offset;
|
|
show_pad_info.max_line=l-1;
|
|
refresh_show_pad ();show_info ();
|
|
}
|
|
}
|
|
|
|
void next (char *command_line)
|
|
|
|
{
|
|
long offset=1;
|
|
char *ptr,buffer [80];
|
|
|
|
ptr=parse_word (command_line,buffer);
|
|
|
|
if (*ptr!=0) {
|
|
ptr=parse_word (ptr,buffer);
|
|
offset*=atol (buffer);
|
|
}
|
|
|
|
if (current_type!=NULL) {
|
|
sprintf (buffer,"setoffset type +%ld",offset);
|
|
dispatch (buffer);
|
|
return;
|
|
}
|
|
|
|
if (type_data.offset_in_block+offset < file_system_info.block_size) {
|
|
type_data.offset_in_block+=offset;
|
|
sprintf (buffer,"show");dispatch (buffer);
|
|
}
|
|
|
|
else {
|
|
wprintw (command_win,"Error - Offset out of block\n");refresh_command_win ();
|
|
}
|
|
}
|
|
|
|
void prev (char *command_line)
|
|
|
|
{
|
|
long offset=1;
|
|
char *ptr,buffer [80];
|
|
|
|
ptr=parse_word (command_line,buffer);
|
|
|
|
if (*ptr!=0) {
|
|
ptr=parse_word (ptr,buffer);
|
|
offset*=atol (buffer);
|
|
}
|
|
|
|
if (current_type!=NULL) {
|
|
sprintf (buffer,"setoffset type -%ld",offset);
|
|
dispatch (buffer);
|
|
return;
|
|
}
|
|
|
|
if (type_data.offset_in_block-offset >= 0) {
|
|
type_data.offset_in_block-=offset;
|
|
sprintf (buffer,"show");dispatch (buffer);
|
|
}
|
|
|
|
else {
|
|
wprintw (command_win,"Error - Offset out of block\n");refresh_command_win ();
|
|
}
|
|
}
|
|
|
|
void pgdn (char *commnad_line)
|
|
|
|
{
|
|
show_pad_info.line+=show_pad_info.display_lines;
|
|
refresh_show_pad ();refresh_show_win ();
|
|
}
|
|
|
|
void pgup (char *command_line)
|
|
|
|
{
|
|
show_pad_info.line-=show_pad_info.display_lines;
|
|
refresh_show_pad ();refresh_show_win ();
|
|
}
|
|
|
|
void redraw (char *command_line)
|
|
|
|
{
|
|
redraw_all ();
|
|
dispatch ("show");
|
|
}
|
|
|
|
void remember (char *command_line)
|
|
|
|
{
|
|
long entry_num;
|
|
char *ptr,buffer [80];
|
|
|
|
if (device_handle==NULL) {
|
|
wprintw (command_win,"Error - No device opened\n");refresh_command_win ();
|
|
return;
|
|
}
|
|
|
|
ptr=parse_word (command_line,buffer);
|
|
|
|
if (*ptr==0) {
|
|
wprintw (command_win,"Error - Argument not specified\n");refresh_command_win ();
|
|
return;
|
|
}
|
|
|
|
ptr=parse_word (ptr,buffer);
|
|
|
|
entry_num=remember_lifo.entries_count++;
|
|
if (entry_num>REMEMBER_COUNT-1) {
|
|
entry_num=0;
|
|
remember_lifo.entries_count--;
|
|
}
|
|
|
|
remember_lifo.offset [entry_num]=device_offset;
|
|
remember_lifo.type [entry_num]=current_type;
|
|
strcpy (remember_lifo.name [entry_num],buffer);
|
|
|
|
if (current_type!=NULL)
|
|
wprintw (command_win,"Object %s in Offset %ld remembered as %s\n",current_type->name,device_offset,buffer);
|
|
else
|
|
wprintw (command_win,"Offset %ld remembered as %s\n",device_offset,buffer);
|
|
|
|
refresh_command_win ();
|
|
}
|
|
|
|
void recall (char *command_line)
|
|
|
|
{
|
|
char *ptr,buffer [80];
|
|
long entry_num;
|
|
|
|
if (device_handle==NULL) {
|
|
wprintw (command_win,"Error - No device opened\n");refresh_command_win ();
|
|
return;
|
|
}
|
|
|
|
ptr=parse_word (command_line,buffer);
|
|
|
|
if (*ptr==0) {
|
|
wprintw (command_win,"Error - Argument not specified\n");refresh_command_win ();
|
|
return;
|
|
}
|
|
|
|
ptr=parse_word (ptr,buffer);
|
|
|
|
|
|
for (entry_num=remember_lifo.entries_count-1;entry_num>=0;entry_num--) {
|
|
if (strcmp (remember_lifo.name [entry_num],buffer)==0)
|
|
break;
|
|
}
|
|
|
|
if (entry_num==-1) {
|
|
wprintw (command_win,"Error - Can not recall %s\n",buffer);refresh_command_win ();
|
|
return;
|
|
}
|
|
|
|
sprintf (buffer,"setoffset %ld",remember_lifo.offset [entry_num]);dispatch (buffer);
|
|
if (remember_lifo.type [entry_num] != NULL) {
|
|
sprintf (buffer,"settype %s",remember_lifo.type [entry_num]->name);dispatch (buffer);
|
|
}
|
|
|
|
else {
|
|
sprintf (buffer,"settype none");dispatch (buffer);
|
|
}
|
|
|
|
wprintw (command_win,"Object %s in Offset %ld recalled\n",current_type->name,device_offset);
|
|
refresh_command_win ();
|
|
}
|
|
|
|
void enable_write (char *command_line)
|
|
|
|
{
|
|
FILE *fp;
|
|
|
|
if (device_handle==NULL) {
|
|
wprintw (command_win,"Error - No device opened\n");refresh_command_win ();
|
|
return;
|
|
}
|
|
|
|
if (!AllowChanges) {
|
|
wprintw (command_win,"Sorry, write access is not allowed\n");
|
|
return;
|
|
}
|
|
|
|
if (mounted) {
|
|
wprintw (command_win,"Error - Filesystem is mounted\n");
|
|
return;
|
|
}
|
|
|
|
if ( (fp=fopen (device_name,"r+b"))==NULL) {
|
|
wprintw (command_win,"Error - Can not open device %s for reading and writing\n",device_name);refresh_command_win ();
|
|
return;
|
|
}
|
|
fclose (device_handle);
|
|
device_handle=fp;write_access=1;
|
|
wprintw (command_win,"Write access enabled - Be careful\n");refresh_command_win ();
|
|
}
|
|
|
|
void disable_write (char *command_line)
|
|
|
|
{
|
|
FILE *fp;
|
|
|
|
if (device_handle==NULL) {
|
|
wprintw (command_win,"Error - No device opened\n");refresh_command_win ();
|
|
return;
|
|
}
|
|
|
|
if ( (fp=fopen (device_name,"rb"))==NULL) {
|
|
wprintw (command_win,"Error - Can not open device %s\n",device_name);refresh_command_win ();
|
|
return;
|
|
}
|
|
|
|
fclose (device_handle);
|
|
device_handle=fp;write_access=0;
|
|
wprintw (command_win,"Write access disabled\n");refresh_command_win ();
|
|
}
|
|
|
|
void write_data (char *command_line)
|
|
|
|
{
|
|
write_type_data ();
|
|
}
|