192 lines
7.4 KiB
C
192 lines
7.4 KiB
C
/*****************************************************************************
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* WARNING
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*
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* THIS CODE IS CREATED FOR EXPERIMENTATION AND EDUCATIONAL USE ONLY.
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*
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* USAGE OF THIS CODE IN OTHER WAYS MAY INFRINGE UPON THE INTELLECTUAL
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* PROPERTY OF OTHER PARTIES, SUCH AS INSIDE SECURE AND HID GLOBAL,
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* AND MAY EXPOSE YOU TO AN INFRINGEMENT ACTION FROM THOSE PARTIES.
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*
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* THIS CODE SHOULD NEVER BE USED TO INFRINGE PATENTS OR INTELLECTUAL PROPERTY RIGHTS.
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*
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*****************************************************************************
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*
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* This file is part of loclass. It is a reconstructon of the cipher engine
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* used in iClass, and RFID techology.
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*
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* The implementation is based on the work performed by
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* Flavio D. Garcia, Gerhard de Koning Gans, Roel Verdult and
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* Milosch Meriac in the paper "Dismantling IClass".
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*
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* Copyright (C) 2014 Martin Holst Swende
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*
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* This is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as published
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* by the Free Software Foundation, or, at your option, any later version.
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*
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* This file is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with loclass. If not, see <http://www.gnu.org/licenses/>.
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*
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*
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****************************************************************************/
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//-----------------------------------------------------------------------------
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// Settings Functions
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//-----------------------------------------------------------------------------
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//-----------------------------------------------------------------------------
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// Notes
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// To add a new setting
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// Add the new setting to the session_arg_t; in ui.h
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// Add the default value for the setting in the settings_load page below
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// Update the settings_load_callback to load your setting into the stucture
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// Update the settings_save_callback to enusre your setting gets saved when needed.
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// use the setting as needed : session.<setting name>
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// Can use (session.settings_loaded) to check if json settings file was used
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//-----------------------------------------------------------------------------
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#include "settings.h"
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#include "comms.h"
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#include "emv/emvjson.h"
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#include <string.h>
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// Load all settings into memory (struct)
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int settings_load (void) {
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// Set all defaults
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session.client_debug_level = OFF;
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session.window_plot_xpos = 10;
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session.window_plot_ypos = 30;
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session.window_plot_hsize = 400;
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session.window_plot_wsize = 800;
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session.emoji_mode = ALIAS;
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session.show_hints = false;
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session.supports_colors = false;
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// loadFileJson wants these, so pass in place holder values, though not used
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// in settings load;
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uint8_t dummyData = 0x00;
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size_t dummyDL = 0x00;
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if (loadFileJSON(settingsFilename, &dummyData, sizeof(dummyData), &dummyDL) == PM3_SUCCESS) {
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session.settings_loaded = true;
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}
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// Note, if session.settings_loaded == false then the settings_save
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// will be called in main () to save settings as set in defaults and main() checks.
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return PM3_SUCCESS;
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}
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// Save all settings from memory (struct) to file
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int settings_save (void) {
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// Note sure if backup has value ?
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char backupFilename[500];
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snprintf (backupFilename,sizeof(backupFilename),"%s.bak",settingsFilename);
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if (fileExists (backupFilename)) {
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if (remove (backupFilename) != 0) {
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PrintAndLogEx (FAILED, "Error - could not delete old settings backup file \"%s\"",backupFilename);
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return PM3_ESOFT;
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}
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}
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if (fileExists (settingsFilename)) {
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if (rename (settingsFilename,backupFilename) != 0) {
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PrintAndLogEx (FAILED, "Error - could not backup settings file \"%s\" to \"%s\"",settingsFilename,backupFilename);
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return PM3_ESOFT;
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}
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}
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uint8_t dummyData = 0x00;
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size_t dummyDL = 0x00;
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if (saveFileJSON(settingsFilename, jsfSettings, &dummyData, dummyDL) == PM3_SUCCESS)
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PrintAndLogEx (NORMAL, "settings have been saved to \"%s\"",settingsFilename);
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return PM3_SUCCESS;
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}
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void settings_save_callback (json_t *root) {
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JsonSaveStr (root,"FileType","settings");
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// Log level, convert to text
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switch (session.client_debug_level) {
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case OFF: JsonSaveStr (root,"client.debug.level","off"); break;
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case SIMPLE: JsonSaveStr (root,"client.debug.level","simple"); break;
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case FULL: JsonSaveStr (root,"client.debug.level","full"); break;
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default:
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JsonSaveStr (root,"logging.level","NORMAL");
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}
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// Plot window
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JsonSaveInt (root,"window.plot.xpos",session.window_plot_xpos);
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JsonSaveInt (root,"window.plot.ypos",session.window_plot_ypos);
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JsonSaveInt (root,"window.plot.hsize",session.window_plot_hsize);
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JsonSaveInt (root,"window.plot.wsize",session.window_plot_wsize);
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// Emoji
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switch (session.emoji_mode) {
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case ALIAS: JsonSaveStr (root,"show.emoji","alias"); break;
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case EMOJI: JsonSaveStr (root,"show.emoji","emoji"); break;
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case ALTTEXT: JsonSaveStr (root,"show.emoji","alttext"); break;
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case ERASE: JsonSaveStr (root,"show.emoji","erase"); break;
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default:
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JsonSaveStr (root,"show.emoji","ALIAS");
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}
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JsonSaveBoolean (root,"show.hints",session.show_hints);
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JsonSaveBoolean (root,"os.supports.colors",session.supports_colors);
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}
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void settings_load_callback (json_t *root) {
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json_error_t up_error = {0};
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bool b1;
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int i1;
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const char *s1;
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char tempStr [500]; // to use str_lower() since json unpack uses const char *
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// Logging Level
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if (json_unpack_ex(root,&up_error, 0, "{s:s}","client.debug.level",&s1) == 0) {
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strncpy (tempStr,s1,sizeof(tempStr)-1);
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str_lower (tempStr);
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if (strncmp (tempStr,"off",3) == 0) session.client_debug_level = OFF;
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if (strncmp (tempStr,"simple",6) == 0) session.client_debug_level = SIMPLE;
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if (strncmp (tempStr,"full",4) == 0) session.client_debug_level = FULL;
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}
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// window plot
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if (json_unpack_ex(root,&up_error, 0, "{s:i}","window.plot.xpos",&i1) == 0)
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session.window_plot_xpos = i1;
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if (json_unpack_ex(root,&up_error, 0, "{s:i}","window.plot.ypos",&i1) == 0)
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session.window_plot_ypos = i1;
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if (json_unpack_ex(root,&up_error, 0, "{s:i}","window.plot.hsize",&i1) == 0)
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session.window_plot_hsize = i1;
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if (json_unpack_ex(root,&up_error, 0, "{s:i}","window.plot.wsize",&i1) == 0)
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session.window_plot_wsize = i1;
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// show options
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if (json_unpack_ex(root,&up_error, 0, "{s:s}","show.emoji",&s1) == 0) {
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strncpy (tempStr,s1,sizeof(tempStr)-1);
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str_lower (tempStr);
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if (strncmp (tempStr,"alias",5) == 0) session.emoji_mode = ALIAS;
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if (strncmp (tempStr,"emoji",5) == 0) session.emoji_mode = EMOJI;
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if (strncmp (tempStr,"alttext",7) == 0) session.emoji_mode = ALTTEXT;
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if (strncmp (tempStr,"erase",5) == 0) session.emoji_mode = ERASE;
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}
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if (json_unpack_ex(root,&up_error, 0, "{s:b}","show.hints",&b1) == 0)
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session.show_hints = b1;
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if (json_unpack_ex(root,&up_error, 0, "{s:b}","os.supports.colors",&b1) == 0)
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session.supports_colors = b1;
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}
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