diff options
Diffstat (limited to 'lib/lufa/Projects/Webserver/Lib/TELNETServerApp.c')
| m--------- | lib/lufa | 0 | ||||
| -rw-r--r-- | lib/lufa/Projects/Webserver/Lib/TELNETServerApp.c | 163 |
2 files changed, 0 insertions, 163 deletions
diff --git a/lib/lufa b/lib/lufa new file mode 160000 +Subproject ce10f7642b0459e409839b23cc91498945119b4 diff --git a/lib/lufa/Projects/Webserver/Lib/TELNETServerApp.c b/lib/lufa/Projects/Webserver/Lib/TELNETServerApp.c deleted file mode 100644 index 4500a4b781..0000000000 --- a/lib/lufa/Projects/Webserver/Lib/TELNETServerApp.c +++ /dev/null @@ -1,163 +0,0 @@ -/* - LUFA Library - Copyright (C) Dean Camera, 2017. - - dean [at] fourwalledcubicle [dot] com - www.lufa-lib.org -*/ - -/* - Copyright 2017 Dean Camera (dean [at] fourwalledcubicle [dot] com) - - Permission to use, copy, modify, distribute, and sell this - software and its documentation for any purpose is hereby granted - without fee, provided that the above copyright notice appear in - all copies and that both that the copyright notice and this - permission notice and warranty disclaimer appear in supporting - documentation, and that the name of the author not be used in - advertising or publicity pertaining to distribution of the - software without specific, written prior permission. - - The author disclaims all warranties with regard to this - software, including all implied warranties of merchantability - and fitness. In no event shall the author be liable for any - special, indirect or consequential damages or any damages - whatsoever resulting from loss of use, data or profits, whether - in an action of contract, negligence or other tortious action, - arising out of or in connection with the use or performance of - this software. -*/ - -/** \file - * - * TELNET Webserver Application. When connected to the uIP stack, - * this will serve out raw TELNET to the client on port 23. - */ - -#define INCLUDE_FROM_TELNETSERVERAPP_C -#include "TELNETServerApp.h" - -#if defined(ENABLE_TELNET_SERVER) || defined(__DOXYGEN__) - -/** Welcome message to send to a TELNET client when a connection is first made. */ -const char PROGMEM WelcomeHeader[] = "********************************************\r\n" - "* LUFA uIP Webserver (TELNET) *\r\n" - "********************************************\r\n"; - -/** Main TELNET menu, giving the user the list of available commands they may issue */ -const char PROGMEM TELNETMenu[] = "\r\n" - " == Available Commands: ==\r\n" - " c) List Active TCP Connections\r\n" - " =========================\r\n" - "\r\n>"; - -/** Header to print before the current connections are printed to the client */ -const char PROGMEM CurrentConnectionsHeader[] = "\r\n* Current TCP Connections: *\r\n"; - -/** Initialization function for the simple TELNET webserver. */ -void TELNETServerApp_Init(void) -{ - /* Listen on port 23 for TELNET connections from hosts */ - uip_listen(HTONS(TELNET_SERVER_PORT)); -} - -/** uIP stack application callback for the TELNET server. This function must be called each time the - * TCP/IP stack needs a TCP packet to be processed. - */ -void TELNETServerApp_Callback(void) -{ - uip_tcp_appstate_t* const AppState = &uip_conn->appstate; - char* const AppData = (char*)uip_appdata; - - if (uip_connected()) - { - /* New connection - initialize connection state values */ - AppState->TELNETServer.CurrentState = TELNET_STATE_SendHeader; - } - - if (uip_acked()) - { - /* Progress to the next state once the current state's data has been ACKed */ - AppState->TELNETServer.CurrentState = AppState->TELNETServer.NextState; - } - - if (uip_rexmit() || uip_acked() || uip_newdata() || uip_connected() || uip_poll()) - { - switch (AppState->TELNETServer.CurrentState) - { - case TELNET_STATE_SendHeader: - /* Copy over and send the TELNET welcome message upon first connection */ - strcpy_P(AppData, WelcomeHeader); - uip_send(AppData, strlen(AppData)); - - AppState->TELNETServer.NextState = TELNET_STATE_SendMenu; - break; - case TELNET_STATE_SendMenu: - /* Copy over and send the TELNET menu to the client */ - strcpy_P(AppData, TELNETMenu); - uip_send(AppData, strlen(AppData)); - - AppState->TELNETServer.NextState = TELNET_STATE_GetCommand; - break; - case TELNET_STATE_GetCommand: - if (!(uip_datalen())) - break; - - /* Save the issued command for later processing */ - AppState->TELNETServer.IssuedCommand = AppData[0]; - - AppState->TELNETServer.CurrentState = TELNET_STATE_SendResponse; - break; - case TELNET_STATE_SendResponse: - /* Determine which command was issued, perform command processing */ - switch (AppState->TELNETServer.IssuedCommand) - { - case 'c': - TELNETServerApp_DisplayTCPConnections(); - break; - default: - strcpy_P(AppData, PSTR("Invalid Command.\r\n")); - uip_send(AppData, strlen(AppData)); - break; - } - - AppState->TELNETServer.NextState = TELNET_STATE_SendMenu; - break; - } - } -} - -/** Sends a list of active TCP connections to the TELNET client. */ -static void TELNETServerApp_DisplayTCPConnections(void) -{ - char* const AppData = (char*)uip_appdata; - - strcpy_P(AppData, CurrentConnectionsHeader); - - uint16_t ResponseLen = strlen(AppData); - uint8_t ActiveConnCount = 0; - - /* Loop through the complete uIP TCP connections list, looking for active connections */ - for (uint8_t i = 0; i < UIP_CONNS; i++) - { - struct uip_conn* CurrConnection = &uip_conns[i]; - - /* If the connection is not closed, it is active and must be added to the out buffer */ - if (CurrConnection->tcpstateflags != UIP_CLOSED) - { - /* Add the current connection's details to the out buffer */ - ResponseLen += sprintf_P(&AppData[ResponseLen], PSTR("%u) %d.%d.%d.%d (Local Port %u <=> Remote Port %u)\r\n"), - ++ActiveConnCount, - CurrConnection->ripaddr.u8[0], - CurrConnection->ripaddr.u8[1], - CurrConnection->ripaddr.u8[2], - CurrConnection->ripaddr.u8[3], - HTONS(CurrConnection->lport), HTONS(CurrConnection->rport)); - } - } - - uip_send(AppData, ResponseLen); -} - -#endif - |