pablo2048/WiFiConfig
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Sifrovani retezcu je nyni v externi knihovne.

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This commit is contained in:
Pavel Brychta 2018-12-11 08:33:11 +01:00
parent 3a8ffdcd01
commit 7a6f936a1a
1 changed files with 16 additions and 87 deletions
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103
src/WiFiConfig.cpp
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@ -1,4 +1,6 @@
/* /*
* V6.1 - 11.12.2018- Sifrovani retezcu vytazeno mimo WiFiConfig do knihovny encipheredEEPROMStrings (dostupna na gitu) kvuli pristupu i jinych modulu
*
* V6.0 - 20.11.2018- Verze i pro ESP32 * V6.0 - 20.11.2018- Verze i pro ESP32
* *
* V5.9 - 18.7.2018 - Retezce, ukladane do EEPROM jsou primitivnim zpusobem sifrovany pro ztizeni odhaleni SSID a hesla pri dumpu pameti * V5.9 - 18.7.2018 - Retezce, ukladane do EEPROM jsou primitivnim zpusobem sifrovany pro ztizeni odhaleni SSID a hesla pri dumpu pameti
@ -78,6 +80,7 @@
#include "WiFiConfig.h" #include "WiFiConfig.h"
#include <EEPROM.h> #include <EEPROM.h>
#include <Ticker.h> #include <Ticker.h>
#include <encipheredEEPROMStrings.h>
#include "embHTML.h" #include "embHTML.h"
#ifdef DEBUG_ESP_PORT #ifdef DEBUG_ESP_PORT
@ -488,17 +491,17 @@ void WiFiConfig::_handleDisplayAP(void)
} }
} }
s = FPSTR(PAGE_INDEX2); s = FPSTR(PAGE_INDEX2);
v = _readString(configBase + offsetof(wificonfigarea_t, ssid), elementSize(wificonfigarea_t, ssid)); v = EES_readString(configBase + offsetof(wificonfigarea_t, ssid), elementSize(wificonfigarea_t, ssid));
if (v.length()) if (v.length())
s.replace(F("{s}"), String(FPSTR(VALUE)) + v + F("'")); s.replace(F("{s}"), String(FPSTR(VALUE)) + v + F("'"));
else else
s.replace(F("{s}"), F("placeholder='SSID'")); s.replace(F("{s}"), F("placeholder='SSID'"));
v = _readString(configBase + offsetof(wificonfigarea_t, pass), elementSize(wificonfigarea_t, pass)); v = EES_readString(configBase + offsetof(wificonfigarea_t, pass), elementSize(wificonfigarea_t, pass));
if (v.length()) if (v.length())
s.replace(F("{p}"), String(FPSTR(VALUE)) + v + F("'")); s.replace(F("{p}"), String(FPSTR(VALUE)) + v + F("'"));
else else
s.replace(F("{p}"), F("placeholder='password'")); s.replace(F("{p}"), F("placeholder='password'"));
v = _readString(configBase + offsetof(wificonfigarea_t, devname), elementSize(wificonfigarea_t, devname)); v = EES_readString(configBase + offsetof(wificonfigarea_t, devname), elementSize(wificonfigarea_t, devname));
if (v.length()) if (v.length())
s.replace(F("{n}"), String(FPSTR(VALUE)) + v + F("'")); s.replace(F("{n}"), String(FPSTR(VALUE)) + v + F("'"));
else else
@ -555,13 +558,13 @@ void WiFiConfig::_handleSetAP(void)
str = server->arg(F("_s")); str = server->arg(F("_s"));
if (str.length() > 0) if (str.length() > 0)
{ {
_storeString(configBase + offsetof(wificonfigarea_t, ssid), elementSize(wificonfigarea_t, ssid), str); EES_storeString(configBase + offsetof(wificonfigarea_t, ssid), elementSize(wificonfigarea_t, ssid), str);
str = server->arg(F("_p")); str = server->arg(F("_p"));
_storeString(configBase + offsetof(wificonfigarea_t, pass), elementSize(wificonfigarea_t, pass), str); EES_storeString(configBase + offsetof(wificonfigarea_t, pass), elementSize(wificonfigarea_t, pass), str);
str = server->arg(F("_n")); str = server->arg(F("_n"));
_storeString(configBase + offsetof(wificonfigarea_t, devname), elementSize(wificonfigarea_t, devname), str); EES_storeString(configBase + offsetof(wificonfigarea_t, devname), elementSize(wificonfigarea_t, devname), str);
str = server->arg(F("_a")); str = server->arg(F("_a"));
if (str.length() > 0) if (str.length() > 0)
@ -617,10 +620,10 @@ void WiFiConfig::_handleSetAP(void)
WiFi.disconnect(); // vsechno odpojime WiFi.disconnect(); // vsechno odpojime
WiFi.persistent(true); // chceme, aby si modul zapamatoval konfiguraci WiFi.persistent(true); // chceme, aby si modul zapamatoval konfiguraci
String s = _readString(configBase + offsetof(wificonfigarea_t, devname), elementSize(wificonfigarea_t, devname)); String s = EES_readString(configBase + offsetof(wificonfigarea_t, devname), elementSize(wificonfigarea_t, devname));
strcpy(WiFiDeviceName, s.c_str()); strcpy(WiFiDeviceName, s.c_str());
s = _readString(configBase + offsetof(wificonfigarea_t, ssid), elementSize(wificonfigarea_t, ssid)); s = EES_readString(configBase + offsetof(wificonfigarea_t, ssid), elementSize(wificonfigarea_t, ssid));
String pass = _readString(configBase + offsetof(wificonfigarea_t, pass), elementSize(wificonfigarea_t, pass)); String pass = EES_readString(configBase + offsetof(wificonfigarea_t, pass), elementSize(wificonfigarea_t, pass));
switch (EEPROM.read(configBase + offsetof(wificonfigarea_t, mode))) switch (EEPROM.read(configBase + offsetof(wificonfigarea_t, mode)))
{ {
@ -758,80 +761,6 @@ wificonfigresult_t WiFiConfig::_setupAP(wificonfig_cb cb)
return WCR_TIMEOUT; // nepripojeno, vyprsel timeout konfiguracniho AP return WCR_TIMEOUT; // nepripojeno, vyprsel timeout konfiguracniho AP
} }
String WiFiConfig::_readString(unsigned int start, size_t maxlen)
{
uint8_t key[4];
unsigned int enciphidx = 0;
String result;
unsigned int top = EEPROM.read(start);
unsigned int i;
result.reserve(maxlen);
uint32_t cid = ESP_getChipId();
uint32_t *pkey = (uint32_t *)&key[0];
*pkey = cid;
DEBUG_MSG("Key = %02X:%02X:%02X:%02X\r\n", key[0], key[1], key[2], key[3]);
if ((top > 0) && (top < (maxlen - 2)))
{
uint8_t b;
for (i = start + 1; i < + start + top + 1; ++i)
{
b = EEPROM.read(i);
b ^= key[enciphidx];
++enciphidx;
enciphidx %= sizeof(key);
result.concat(char(b));
}
b = EEPROM.read(i) ^ key[enciphidx];
if (b != 0)
{
DEBUG_MSG("_readString error! (%s)\r\n", result.c_str());
result = F(""); // spatna ukoncovaci nula - neplatny retezec
}
}
return result;
}
bool WiFiConfig::_storeString(unsigned int start, size_t maxlen, String &string)
{
uint8_t key[4];
unsigned int enciphidx = 0;
unsigned int si = 0;
unsigned int top;
char c;
bool result = false; // retezec nebyl ulozeny cely (nevesel s do bufferu)
unsigned int i;
if (string.length() > maxlen - 2)
top = maxlen - 2;
else
{
result = true; // retezec se do urceneho mista vejde
top = string.length();
}
uint32_t cid = ESP_getChipId();
uint32_t *pkey = (uint32_t *)&key[0];
*pkey = cid;
DEBUG_MSG("Key = %02X:%02X:%02X:%02X\r\n", key[0], key[1], key[2], key[3]);
EEPROM.write(start, (uint8_t)top); // ulozime delku retezce (pouzite pr kontrolu pri vycitani)
for (i = start + 1; i < start + top + 1; ++i)
{
c = string[si];
c ^= key[enciphidx];
++enciphidx;
enciphidx %= sizeof(key);
EEPROM.write(i, c);
++si;
}
c = 0 ^ key[enciphidx];
EEPROM.write(i, c); // ukoncovaci a kontrolni nula
return result;
}
// Testovani, zda se modul pripojil k AP // Testovani, zda se modul pripojil k AP
bool WiFiConfig::_testWifi(wificonfig_cb cb) bool WiFiConfig::_testWifi(wificonfig_cb cb)
{ {
@ -841,10 +770,10 @@ bool WiFiConfig::_testWifi(wificonfig_cb cb)
// nakonfigurujeme ESP dle nove nastavenych parametru // nakonfigurujeme ESP dle nove nastavenych parametru
WiFi.disconnect(); // vsechno odpojime WiFi.disconnect(); // vsechno odpojime
String s = _readString(configBase + offsetof(wificonfigarea_t, devname), elementSize(wificonfigarea_t, devname)); String s = EES_readString(configBase + offsetof(wificonfigarea_t, devname), elementSize(wificonfigarea_t, devname));
strcpy(WiFiDeviceName, s.c_str()); strcpy(WiFiDeviceName, s.c_str());
s = _readString(configBase + offsetof(wificonfigarea_t, ssid), elementSize(wificonfigarea_t, ssid)); s = EES_readString(configBase + offsetof(wificonfigarea_t, ssid), elementSize(wificonfigarea_t, ssid));
String pass = _readString(configBase + offsetof(wificonfigarea_t, pass), elementSize(wificonfigarea_t, pass)); String pass = EES_readString(configBase + offsetof(wificonfigarea_t, pass), elementSize(wificonfigarea_t, pass));
switch (EEPROM.read(configBase + offsetof(wificonfigarea_t, mode))) switch (EEPROM.read(configBase + offsetof(wificonfigarea_t, mode)))
{ {
@ -942,7 +871,7 @@ wificonfigresult_t WiFiConfig::begin(int configarea, int forceConfigure, wificon
else else
#endif #endif
{ {
String s = _readString(configBase + offsetof(wificonfigarea_t, devname), elementSize(wificonfigarea_t, devname)); String s = EES_readString(configBase + offsetof(wificonfigarea_t, devname), elementSize(wificonfigarea_t, devname));
strcpy(WiFiDeviceName, s.c_str()); strcpy(WiFiDeviceName, s.c_str());
switch (EEPROM.read(configBase + offsetof(wificonfigarea_t, mode))) switch (EEPROM.read(configBase + offsetof(wificonfigarea_t, mode)))