Start making changes for Danny's security settings

esp-link/cgitelnet.c

@@ -3,6 +3,8 @@
 #include "config.h"
 #include "serbridge.h"
 
+static char *portMode[] = { "open", "disabled", "secure" };
+
 // Cgi to return choice of Telnet ports
 int ICACHE_FLASH_ATTR cgiTelnetGet(HttpdConnData *connData) {
   char buff[80];
@@ -96,3 +98,23 @@ int ICACHE_FLASH_ATTR cgiTelnet(HttpdConnData *connData) {
     return HTTPD_CGI_DONE;
   }
 }
+
+static char *portMode2string(int8_t m) { //Should we put this into flash?
+   if (m < 0 || m > 2) return "?";
+   return portMode[m];
+ }
+ 
+ // print various Telnet information into json buffer
+ int ICACHE_FLASH_ATTR printTelnetSecurity(char *buff) {
+   int len;
+ 
+   len = os_sprintf(buff,
+     "{ \"port0mode\": \"%s\", \"port0portnumber\": \"%d\", \"port0pwd\": \"%s\", "
+     "\"port1mode\": \"%s\", \"port1portnumber\": \"%d\", \"port1pwd\": \"%s\" }",
+     portMode2string(flashConfig.telnet_port0mode), flashConfig.telnet_port0, flashConfig.telnet_port0pass,
+     portMode2string(flashConfig.telnet_port1mode), flashConfig.telnet_port1, flashConfig.telnet_port1pass
+   );
+ 
+   return len;
+ }
+ 

esp-link/config.c

@@ -39,6 +39,8 @@ FlashConfig flashDefault = {
   .telnet_port1 = 2323,
   .telnet_port0mode = 0,
   .telnet_port1mode = 0,
+  .telnet_port0pass = "123456",
+  .telnet_port1pass = "123456",
 };
 
 typedef union {
@@ -166,8 +168,16 @@ bool ICACHE_FLASH_ATTR configRestore(void) {
       flashConfig.stop_bits = flashDefault.stop_bits;
   }
   
-  if (flashConfig.telnet_port0 == 0) { flashConfig.telnet_port0 = flashDefault.telnet_port0; }
-  if (flashConfig.telnet_port1 == 0) { flashConfig.telnet_port1 = flashDefault.telnet_port1; }
+  if (flashConfig.telnet_port0 == 0) { 
+    flashConfig.telnet_port0 = flashDefault.telnet_port0;
+    flashConfig.telnet_port0mode = flashDefault.telnet_port0mode;
+    flashConfig.telnet_port0pass = flashDefault.telnet_port0pass;
+  }
+  if (flashConfig.telnet_port1 == 0) { 
+    flashConfig.telnet_port1 = flashDefault.telnet_port1;
+    flashConfig.telnet_port1mode = flashDefault.telnet_port1mode;
+    flashConfig.telnet_port1pass = flashDefault.telnet_port1pass;
+  }
   return true;
 }
 

esp-link/config.h

@@ -45,6 +45,8 @@ typedef struct {
            telnet_port1;
   int8_t   telnet_port0mode,
            telnet_port1mode;
+  char     telnet_port0pass[32],
+           telnet_port1pass[32];
 } FlashConfig;
 extern FlashConfig flashConfig;
 extern FlashConfig flashDefault;

esp-link/main.c

@@ -180,7 +180,7 @@ user_init(void) {
   httpdInit(builtInUrls, 80);
   WEB_Init();
 
-  // init the wifi-serial transparent bridge (port 23)
+  // init the wifi-serial configurable transparent bridge (port defaults 23&2323)
   serbridgeInit();
   serbridgeStart(0, flashConfig.telnet_port0, flashDefault.telnet_port0mode);
   serbridgeStart(1, flashConfig.telnet_port1, flashDefault.telnet_port1mode);