Files
proxmark3/client/settings.c
2020-04-11 08:21:16 +10:00

192 lines
7.4 KiB
C

/*****************************************************************************
* WARNING
*
* THIS CODE IS CREATED FOR EXPERIMENTATION AND EDUCATIONAL USE ONLY.
*
* USAGE OF THIS CODE IN OTHER WAYS MAY INFRINGE UPON THE INTELLECTUAL
* PROPERTY OF OTHER PARTIES, SUCH AS INSIDE SECURE AND HID GLOBAL,
* AND MAY EXPOSE YOU TO AN INFRINGEMENT ACTION FROM THOSE PARTIES.
*
* THIS CODE SHOULD NEVER BE USED TO INFRINGE PATENTS OR INTELLECTUAL PROPERTY RIGHTS.
*
*****************************************************************************
*
* This file is part of loclass. It is a reconstructon of the cipher engine
* used in iClass, and RFID techology.
*
* The implementation is based on the work performed by
* Flavio D. Garcia, Gerhard de Koning Gans, Roel Verdult and
* Milosch Meriac in the paper "Dismantling IClass".
*
* Copyright (C) 2014 Martin Holst Swende
*
* This 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, or, at your option, any later version.
*
* This file 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 loclass. If not, see <http://www.gnu.org/licenses/>.
*
*
****************************************************************************/
//-----------------------------------------------------------------------------
// Settings Functions
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
// Notes
// To add a new setting
// Add the new setting to the session_arg_t; in ui.h
// Add the default value for the setting in the settings_load page below
// Update the settings_load_callback to load your setting into the stucture
// Update the settings_save_callback to enusre your setting gets saved when needed.
// use the setting as needed : session.<setting name>
// Can use (session.settings_loaded) to check if json settings file was used
//-----------------------------------------------------------------------------
#include "settings.h"
#include "comms.h"
#include "emv/emvjson.h"
#include <string.h>
// Load all settings into memory (struct)
int settings_load (void) {
// Set all defaults
session.client_debug_level = OFF;
session.window_plot_xpos = 10;
session.window_plot_ypos = 30;
session.window_plot_hsize = 400;
session.window_plot_wsize = 800;
session.emoji_mode = ALIAS;
session.show_hints = false;
session.supports_colors = false;
// loadFileJson wants these, so pass in place holder values, though not used
// in settings load;
uint8_t dummyData = 0x00;
size_t dummyDL = 0x00;
if (loadFileJSON(settingsFilename, &dummyData, sizeof(dummyData), &dummyDL) == PM3_SUCCESS) {
session.settings_loaded = true;
}
// Note, if session.settings_loaded == false then the settings_save
// will be called in main () to save settings as set in defaults and main() checks.
return PM3_SUCCESS;
}
// Save all settings from memory (struct) to file
int settings_save (void) {
// Note sure if backup has value ?
char backupFilename[500];
snprintf (backupFilename,sizeof(backupFilename),"%s.bak",settingsFilename);
if (fileExists (backupFilename)) {
if (remove (backupFilename) != 0) {
PrintAndLogEx (FAILED, "Error - could not delete old settings backup file \"%s\"",backupFilename);
return PM3_ESOFT;
}
}
if (fileExists (settingsFilename)) {
if (rename (settingsFilename,backupFilename) != 0) {
PrintAndLogEx (FAILED, "Error - could not backup settings file \"%s\" to \"%s\"",settingsFilename,backupFilename);
return PM3_ESOFT;
}
}
uint8_t dummyData = 0x00;
size_t dummyDL = 0x00;
if (saveFileJSON(settingsFilename, jsfSettings, &dummyData, dummyDL) == PM3_SUCCESS)
PrintAndLogEx (NORMAL, "settings have been saved to \"%s\"",settingsFilename);
return PM3_SUCCESS;
}
void settings_save_callback (json_t *root) {
JsonSaveStr (root,"FileType","settings");
// Log level, convert to text
switch (session.client_debug_level) {
case OFF: JsonSaveStr (root,"client.debug.level","off"); break;
case SIMPLE: JsonSaveStr (root,"client.debug.level","simple"); break;
case FULL: JsonSaveStr (root,"client.debug.level","full"); break;
default:
JsonSaveStr (root,"logging.level","NORMAL");
}
// Plot window
JsonSaveInt (root,"window.plot.xpos",session.window_plot_xpos);
JsonSaveInt (root,"window.plot.ypos",session.window_plot_ypos);
JsonSaveInt (root,"window.plot.hsize",session.window_plot_hsize);
JsonSaveInt (root,"window.plot.wsize",session.window_plot_wsize);
// Emoji
switch (session.emoji_mode) {
case ALIAS: JsonSaveStr (root,"show.emoji","alias"); break;
case EMOJI: JsonSaveStr (root,"show.emoji","emoji"); break;
case ALTTEXT: JsonSaveStr (root,"show.emoji","alttext"); break;
case ERASE: JsonSaveStr (root,"show.emoji","erase"); break;
default:
JsonSaveStr (root,"show.emoji","ALIAS");
}
JsonSaveBoolean (root,"show.hints",session.show_hints);
JsonSaveBoolean (root,"os.supports.colors",session.supports_colors);
}
void settings_load_callback (json_t *root) {
json_error_t up_error = {0};
bool b1;
int i1;
const char *s1;
char tempStr [500]; // to use str_lower() since json unpack uses const char *
// Logging Level
if (json_unpack_ex(root,&up_error, 0, "{s:s}","client.debug.level",&s1) == 0) {
strncpy (tempStr,s1,sizeof(tempStr)-1);
str_lower (tempStr);
if (strncmp (tempStr,"off",3) == 0) session.client_debug_level = OFF;
if (strncmp (tempStr,"simple",6) == 0) session.client_debug_level = SIMPLE;
if (strncmp (tempStr,"full",4) == 0) session.client_debug_level = FULL;
}
// window plot
if (json_unpack_ex(root,&up_error, 0, "{s:i}","window.plot.xpos",&i1) == 0)
session.window_plot_xpos = i1;
if (json_unpack_ex(root,&up_error, 0, "{s:i}","window.plot.ypos",&i1) == 0)
session.window_plot_ypos = i1;
if (json_unpack_ex(root,&up_error, 0, "{s:i}","window.plot.hsize",&i1) == 0)
session.window_plot_hsize = i1;
if (json_unpack_ex(root,&up_error, 0, "{s:i}","window.plot.wsize",&i1) == 0)
session.window_plot_wsize = i1;
// show options
if (json_unpack_ex(root,&up_error, 0, "{s:s}","show.emoji",&s1) == 0) {
strncpy (tempStr,s1,sizeof(tempStr)-1);
str_lower (tempStr);
if (strncmp (tempStr,"alias",5) == 0) session.emoji_mode = ALIAS;
if (strncmp (tempStr,"emoji",5) == 0) session.emoji_mode = EMOJI;
if (strncmp (tempStr,"alttext",7) == 0) session.emoji_mode = ALTTEXT;
if (strncmp (tempStr,"erase",5) == 0) session.emoji_mode = ERASE;
}
if (json_unpack_ex(root,&up_error, 0, "{s:b}","show.hints",&b1) == 0)
session.show_hints = b1;
if (json_unpack_ex(root,&up_error, 0, "{s:b}","os.supports.colors",&b1) == 0)
session.supports_colors = b1;
}