From e1dab7b711e12256fd4fa3f8fa3c481a2a882210 Mon Sep 17 00:00:00 2001 From: Martino Facchin Date: Tue, 6 Aug 2019 17:29:14 +0200 Subject: [PATCH 1/2] Add wifi manager for provisioning The UI still needs to be skinned --- arduino/libraries/WiFi/src/WiFi.cpp | 22 + components/wifi_manager/CMakeLists.txt | 11 + components/wifi_manager/Kconfig.projbuild | 63 ++ components/wifi_manager/ap.json | 12 + components/wifi_manager/code.js | 331 +++++++ components/wifi_manager/component.mk | 6 + components/wifi_manager/compress.bat | 2 + components/wifi_manager/connect | 2 + components/wifi_manager/dns_server.c | 183 ++++ components/wifi_manager/dns_server.h | 137 +++ components/wifi_manager/http_server.c | 273 ++++++ components/wifi_manager/http_server.h | 70 ++ .../wifi_manager/include/wifi_manager.h | 1 + components/wifi_manager/index.html | 137 +++ components/wifi_manager/jquery.gz | Bin 0 -> 29995 bytes components/wifi_manager/jquery.js | 4 + components/wifi_manager/json.c | 143 +++ components/wifi_manager/json.h | 47 + components/wifi_manager/lock.png | Bin 0 -> 433 bytes components/wifi_manager/main.c.bak | 88 ++ components/wifi_manager/settings.png | Bin 0 -> 901 bytes components/wifi_manager/status | 1 + components/wifi_manager/style.css | 250 +++++ components/wifi_manager/wifi0.png | Bin 0 -> 605 bytes components/wifi_manager/wifi1.png | Bin 0 -> 613 bytes components/wifi_manager/wifi2.png | Bin 0 -> 615 bytes components/wifi_manager/wifi24.png | Bin 0 -> 605 bytes components/wifi_manager/wifi3.png | Bin 0 -> 656 bytes components/wifi_manager/wifi_manager.c | 919 ++++++++++++++++++ components/wifi_manager/wifi_manager.h | 414 ++++++++ main/CommandHandler.cpp | 16 +- sdkconfig | 17 +- 32 files changed, 3145 insertions(+), 4 deletions(-) create mode 100644 components/wifi_manager/CMakeLists.txt create mode 100644 components/wifi_manager/Kconfig.projbuild create mode 100644 components/wifi_manager/ap.json create mode 100644 components/wifi_manager/code.js create mode 100644 components/wifi_manager/component.mk create mode 100644 components/wifi_manager/compress.bat create mode 100644 components/wifi_manager/connect create mode 100644 components/wifi_manager/dns_server.c create mode 100644 components/wifi_manager/dns_server.h create mode 100644 components/wifi_manager/http_server.c create mode 100644 components/wifi_manager/http_server.h create mode 100644 components/wifi_manager/include/wifi_manager.h create mode 100644 components/wifi_manager/index.html create mode 100644 components/wifi_manager/jquery.gz create mode 100644 components/wifi_manager/jquery.js create mode 100644 components/wifi_manager/json.c create mode 100644 components/wifi_manager/json.h create mode 100644 components/wifi_manager/lock.png create mode 100644 components/wifi_manager/main.c.bak create mode 100644 components/wifi_manager/settings.png create mode 100644 components/wifi_manager/status create mode 100644 components/wifi_manager/style.css create mode 100644 components/wifi_manager/wifi0.png create mode 100644 components/wifi_manager/wifi1.png create mode 100644 components/wifi_manager/wifi2.png create mode 100644 components/wifi_manager/wifi24.png create mode 100644 components/wifi_manager/wifi3.png create mode 100644 components/wifi_manager/wifi_manager.c create mode 100644 components/wifi_manager/wifi_manager.h diff --git a/arduino/libraries/WiFi/src/WiFi.cpp b/arduino/libraries/WiFi/src/WiFi.cpp index e1580705..0831e1ee 100644 --- a/arduino/libraries/WiFi/src/WiFi.cpp +++ b/arduino/libraries/WiFi/src/WiFi.cpp @@ -615,11 +615,17 @@ esp_err_t WiFiClass::systemEventHandler(void* ctx, system_event_t* event) return ESP_OK; } +#include "wifi_manager.h" + void WiFiClass::handleSystemEvent(system_event_t* event) { switch (event->event_id) { case SYSTEM_EVENT_SCAN_DONE: xEventGroupSetBits(_eventGroup, BIT2); + + xEventGroupClearBits(wifi_manager_event_group, WIFI_MANAGER_SCAN_BIT); + wifi_manager_send_message(EVENT_SCAN_DONE, NULL); + break; case SYSTEM_EVENT_STA_START: { @@ -664,9 +670,19 @@ void WiFiClass::handleSystemEvent(system_event_t* event) case SYSTEM_EVENT_STA_GOT_IP: memcpy(&_ipInfo, &event->event_info.got_ip.ip_info, sizeof(_ipInfo)); _status = WL_CONNECTED; + + xEventGroupSetBits(wifi_manager_event_group, WIFI_MANAGER_WIFI_CONNECTED_BIT); + wifi_manager_send_message(EVENT_STA_GOT_IP, (void*)event->event_info.got_ip.ip_info.ip.addr ); + break; case SYSTEM_EVENT_STA_DISCONNECTED: { + + /* if a DISCONNECT message is posted while a scan is in progress this scan will NEVER end, causing scan to never work again. For this reason SCAN_BIT is cleared too */ + xEventGroupClearBits(wifi_manager_event_group, WIFI_MANAGER_WIFI_CONNECTED_BIT | WIFI_MANAGER_SCAN_BIT); + /* post disconnect event with reason code */ + wifi_manager_send_message(EVENT_STA_DISCONNECTED, (void*)( (uint32_t)event->event_info.disconnected.reason) ); + uint8_t reason = event->event_info.disconnected.reason; _reasonCode = reason; @@ -725,6 +741,8 @@ void WiFiClass::handleSystemEvent(system_event_t* event) _status = WL_AP_LISTENING; xEventGroupSetBits(_eventGroup, BIT1); + xEventGroupSetBits(wifi_manager_event_group, WIFI_MANAGER_AP_STARTED_BIT); + break; } @@ -737,6 +755,8 @@ void WiFiClass::handleSystemEvent(system_event_t* event) case SYSTEM_EVENT_AP_STACONNECTED: _status = WL_AP_CONNECTED; + xEventGroupSetBits(wifi_manager_event_group, WIFI_MANAGER_AP_STA_CONNECTED_BIT); + break; case SYSTEM_EVENT_AP_STADISCONNECTED: @@ -744,6 +764,8 @@ void WiFiClass::handleSystemEvent(system_event_t* event) esp_wifi_ap_get_sta_list(&staList); + xEventGroupClearBits(wifi_manager_event_group, WIFI_MANAGER_AP_STA_CONNECTED_BIT); + if (staList.num == 0) { _status = WL_AP_LISTENING; } diff --git a/components/wifi_manager/CMakeLists.txt b/components/wifi_manager/CMakeLists.txt new file mode 100644 index 00000000..d5cbf20c --- /dev/null +++ b/components/wifi_manager/CMakeLists.txt @@ -0,0 +1,11 @@ +set(COMPONENT_SRCS + "main.c" + "dns_server.c" + "http_server.c" + "json.c" + "wifi_manager.c" +) +set(COMPONENT_ADD_INCLUDEDIRS "") +set(COMPONENT_EMBED_FILES "style.css jquery.gz code.js index.html") + +register_component() diff --git a/components/wifi_manager/Kconfig.projbuild b/components/wifi_manager/Kconfig.projbuild new file mode 100644 index 00000000..b1dbe5fe --- /dev/null +++ b/components/wifi_manager/Kconfig.projbuild @@ -0,0 +1,63 @@ +menu "Wifi Manager Configuration" + +config WIFI_MANAGER_TASK_PRIORITY + int "RTOS Task Priority for the wifi_manager" + default 5 + help + Tasks spawn by the manager will have a priority of WIFI_MANAGER_TASK_PRIORITY-1. For this particular reason, minimum recommended task priority is 2. + +config WIFI_MANAGER_MAX_RETRY + int "Max Retry on failed connection" + default 2 + help + Defines when a connection is lost/attempt to connect is made, how many retries should be made before giving up. + +config DEFAULT_AP_SSID + string "Access Point SSID" + default "esp32" + help + SSID (network name) the the esp32 will broadcast. + +config DEFAULT_AP_PASSWORD + string "Access Point Password" + default "esp32pwd" + help + Password used for the Access Point. Leave empty and set AUTH MODE to WIFI_AUTH_OPEN for no password. + +config DEFAULT_AP_CHANNEL + int "Access Point WiFi Channel" + default 1 + help + Be careful you might not see the access point if you use a channel not allowed in your country. + +config DEFAULT_AP_IP + string "Access Point IP Address" + default "10.10.0.1" + help + This is used for the redirection to the captive portal. It is recommended to leave unchanged. + +config DEFAULT_AP_GATEWAY + string "Access Point IP Gateway" + default "10.10.0.1" + help + This is used for the redirection to the captive portal. It is recommended to leave unchanged. + +config DEFAULT_AP_NETMASK + string "Access Point Netmask" + default "255.255.255.0" + help + This is used for the redirection to the captive portal. It is recommended to leave unchanged. + +config DEFAULT_AP_MAX_CONNECTIONS + int "Access Point Max Connections" + default 4 + help + Max is 4. + +config DEFAULT_AP_BEACON_INTERVAL + int "Access Point Beacon Interval (ms)" + default 100 + help + 100ms is the recommended default. + +endmenu diff --git a/components/wifi_manager/ap.json b/components/wifi_manager/ap.json new file mode 100644 index 00000000..de61f86a --- /dev/null +++ b/components/wifi_manager/ap.json @@ -0,0 +1,12 @@ +[ +{"ssid":"Pantum-AP-A6D49F","chan":11,"rssi":-55,"auth":4}, +{"ssid":"a0308","chan":1,"rssi":-56,"auth":3}, +{"ssid":"dlink-D9D8","chan":11,"rssi":-82,"auth":4}, +{"ssid":"Linksys06730","chan":7,"rssi":-85,"auth":3}, +{"ssid":"SINGTEL-5171","chan":9,"rssi":-88,"auth":4}, +{"ssid":"1126-1","chan":11,"rssi":-89,"auth":4}, +{"ssid":"The Shah 5GHz-2","chan":1,"rssi":-90,"auth":3}, +{"ssid":"SINGTEL-1D28 (2G)","chan":11,"rssi":-91,"auth":3}, +{"ssid":"dlink-F864","chan":1,"rssi":-92,"auth":4}, +{"ssid":"dlink-74F0","chan":1,"rssi":-93,"auth":4} +] \ No newline at end of file diff --git a/components/wifi_manager/code.js b/components/wifi_manager/code.js new file mode 100644 index 00000000..c4f19bb5 --- /dev/null +++ b/components/wifi_manager/code.js @@ -0,0 +1,331 @@ +// First, checks if it isn't implemented yet. +if (!String.prototype.format) { + String.prototype.format = function() { + var args = arguments; + return this.replace(/{(\d+)}/g, function(match, number) { + return typeof args[number] != 'undefined' + ? args[number] + : match + ; + }); + }; +} + +var apList = null; +var selectedSSID = ""; +var refreshAPInterval = null; +var checkStatusInterval = null; + + +function stopCheckStatusInterval(){ + if(checkStatusInterval != null){ + clearInterval(checkStatusInterval); + checkStatusInterval = null; + } +} + +function stopRefreshAPInterval(){ + if(refreshAPInterval != null){ + clearInterval(refreshAPInterval); + refreshAPInterval = null; + } +} + +function startCheckStatusInterval(){ + checkStatusInterval = setInterval(checkStatus, 950); +} + +function startRefreshAPInterval(){ + refreshAPInterval = setInterval(refreshAP, 2800); +} + +$(document).ready(function(){ + + + $("#wifi-status").on("click", ".ape", function() { + $( "#wifi" ).slideUp( "fast", function() {}); + $( "#connect-details" ).slideDown( "fast", function() {}); + }); + + $("#manual_add").on("click", ".ape", function() { + selectedSSID = $(this).text(); + $( "#ssid-pwd" ).text(selectedSSID); + $( "#wifi" ).slideUp( "fast", function() {}); + $( "#connect_manual" ).slideDown( "fast", function() {}); + $( "#connect" ).slideUp( "fast", function() {}); + + //update wait screen + $( "#loading" ).show(); + $( "#connect-success" ).hide(); + $( "#connect-fail" ).hide(); + }); + + $("#wifi-list").on("click", ".ape", function() { + selectedSSID = $(this).text(); + $( "#ssid-pwd" ).text(selectedSSID); + $( "#wifi" ).slideUp( "fast", function() {}); + $( "#connect_manual" ).slideUp( "fast", function() {}); + $( "#connect" ).slideDown( "fast", function() {}); + + //update wait screen + $( "#loading" ).show(); + $( "#connect-success" ).hide(); + $( "#connect-fail" ).hide(); + }); + + $("#cancel").on("click", function() { + selectedSSID = ""; + $( "#connect" ).slideUp( "fast", function() {}); + $( "#connect_manual" ).slideUp( "fast", function() {}); + $( "#wifi" ).slideDown( "fast", function() {}); + }); + + $("#manual_cancel").on("click", function() { + selectedSSID = ""; + $( "#connect" ).slideUp( "fast", function() {}); + $( "#connect_manual" ).slideUp( "fast", function() {}); + $( "#wifi" ).slideDown( "fast", function() {}); + }); + + $("#join").on("click", function() { + performConnect(); + }); + + $("#manual_join").on("click", function() { + performConnect($(this).data('connect')); + }); + + $("#ok-details").on("click", function() { + $( "#connect-details" ).slideUp( "fast", function() {}); + $( "#wifi" ).slideDown( "fast", function() {}); + + }); + + $("#ok-credits").on("click", function() { + $( "#credits" ).slideUp( "fast", function() {}); + $( "#app" ).slideDown( "fast", function() {}); + + }); + + $("#acredits").on("click", function(event) { + event.preventDefault(); + $( "#app" ).slideUp( "fast", function() {}); + $( "#credits" ).slideDown( "fast", function() {}); + }); + + $("#ok-connect").on("click", function() { + $( "#connect-wait" ).slideUp( "fast", function() {}); + $( "#wifi" ).slideDown( "fast", function() {}); + }); + + $("#disconnect").on("click", function() { + $( "#connect-details-wrap" ).addClass('blur'); + $( "#diag-disconnect" ).slideDown( "fast", function() {}); + }); + + $("#no-disconnect").on("click", function() { + $( "#diag-disconnect" ).slideUp( "fast", function() {}); + $( "#connect-details-wrap" ).removeClass('blur'); + }); + + $("#yes-disconnect").on("click", function() { + + stopCheckStatusInterval(); + selectedSSID = ""; + + $( "#diag-disconnect" ).slideUp( "fast", function() {}); + $( "#connect-details-wrap" ).removeClass('blur'); + + $.ajax({ + url: '/connect.json', + dataType: 'json', + method: 'DELETE', + cache: false, + data: { 'timestamp': Date.now()} + }); + + startCheckStatusInterval(); + + $( "#connect-details" ).slideUp( "fast", function() {}); + $( "#wifi" ).slideDown( "fast", function() {}) + }); + + + + + + + + + //first time the page loads: attempt get the connection status and start the wifi scan + refreshAP(); + startCheckStatusInterval(); + startRefreshAPInterval(); + + + + +}); + + + + +function performConnect(conntype){ + + //stop the status refresh. This prevents a race condition where a status + //request would be refreshed with wrong ip info from a previous connection + //and the request would automatically shows as succesful. + stopCheckStatusInterval(); + + //stop refreshing wifi list + stopRefreshAPInterval(); + + var pwd; + if (conntype == 'manual') { + //Grab the manual SSID and PWD + selectedSSID=$('#manual_ssid').val(); + pwd = $("#manual_pwd").val(); + }else{ + pwd = $("#pwd").val(); + } + //reset connection + $( "#loading" ).show(); + $( "#connect-success" ).hide(); + $( "#connect-fail" ).hide(); + + $( "#ok-connect" ).prop("disabled",true); + $( "#ssid-wait" ).text(selectedSSID); + $( "#connect" ).slideUp( "fast", function() {}); + $( "#connect_manual" ).slideUp( "fast", function() {}); + $( "#connect-wait" ).slideDown( "fast", function() {}); + + + $.ajax({ + url: '/connect.json', + dataType: 'json', + method: 'POST', + cache: false, + headers: { 'X-Custom-ssid': selectedSSID, 'X-Custom-pwd': pwd }, + data: { 'timestamp': Date.now()} + }); + + + //now we can re-set the intervals regardless of result + startCheckStatusInterval(); + startRefreshAPInterval(); + +} + + + +function rssiToIcon(rssi){ + if(rssi >= -60){ + return 'w0'; + } + else if(rssi >= -67){ + return 'w1'; + } + else if(rssi >= -75){ + return 'w2'; + } + else{ + return 'w3'; + } +} + + +function refreshAP(){ + $.getJSON( "/ap.json", function( data ) { + if(data.length > 0){ + //sort by signal strength + data.sort(function (a, b) { + var x = a["rssi"]; var y = b["rssi"]; + return ((x < y) ? 1 : ((x > y) ? -1 : 0)); + }); + apList = data; + refreshAPHTML(apList); + + } + }); +} + +function refreshAPHTML(data){ + var h = ""; + data.forEach(function(e, idx, array) { + h += '
{3}
'.format(idx === array.length - 1?'':' brdb', rssiToIcon(e.rssi), e.auth==0?'':'pw',e.ssid); + h += "\n"; + }); + + $( "#wifi-list" ).html(h) +} + + + + +function checkStatus(){ + $.getJSON( "/status.json", function( data ) { + if(data.hasOwnProperty('ssid') && data['ssid'] != ""){ + if(data["ssid"] === selectedSSID){ + //that's a connection attempt + if(data["urc"] === 0){ + //got connection + $("#connected-to span").text(data["ssid"]); + $("#connect-details h1").text(data["ssid"]); + $("#ip").text(data["ip"]); + $("#netmask").text(data["netmask"]); + $("#gw").text(data["gw"]); + $("#wifi-status").slideDown( "fast", function() {}); + + //unlock the wait screen if needed + $( "#ok-connect" ).prop("disabled",false); + + //update wait screen + $( "#loading" ).hide(); + $( "#connect-success" ).show(); + $( "#connect-fail" ).hide(); + } + else if(data["urc"] === 1){ + //failed attempt + $("#connected-to span").text(''); + $("#connect-details h1").text(''); + $("#ip").text('0.0.0.0'); + $("#netmask").text('0.0.0.0'); + $("#gw").text('0.0.0.0'); + + //don't show any connection + $("#wifi-status").slideUp( "fast", function() {}); + + //unlock the wait screen + $( "#ok-connect" ).prop("disabled",false); + + //update wait screen + $( "#loading" ).hide(); + $( "#connect-fail" ).show(); + $( "#connect-success" ).hide(); + } + } + else if(data.hasOwnProperty('urc') && data['urc'] === 0){ + //ESP32 is already connected to a wifi without having the user do anything + if( !($("#wifi-status").is(":visible")) ){ + $("#connected-to span").text(data["ssid"]); + $("#connect-details h1").text(data["ssid"]); + $("#ip").text(data["ip"]); + $("#netmask").text(data["netmask"]); + $("#gw").text(data["gw"]); + $("#wifi-status").slideDown( "fast", function() {}); + } + } + } + else if(data.hasOwnProperty('urc') && data['urc'] === 2){ + //that's a manual disconnect + if($("#wifi-status").is(":visible")){ + $("#wifi-status").slideUp( "fast", function() {}); + } + } + }) + .fail(function() { + //don't do anything, the server might be down while esp32 recalibrates radio + }); + + +} diff --git a/components/wifi_manager/component.mk b/components/wifi_manager/component.mk new file mode 100644 index 00000000..f8699218 --- /dev/null +++ b/components/wifi_manager/component.mk @@ -0,0 +1,6 @@ +# +# "main" pseudo-component makefile. +# +# (Uses default behaviour of compiling all source files in directory, adding 'include' to include path.) + +COMPONENT_EMBED_FILES := style.css jquery.gz code.js index.html diff --git a/components/wifi_manager/compress.bat b/components/wifi_manager/compress.bat new file mode 100644 index 00000000..bff6a512 --- /dev/null +++ b/components/wifi_manager/compress.bat @@ -0,0 +1,2 @@ +gzip index.html style.css jquery.js --best --keep --force +pause \ No newline at end of file diff --git a/components/wifi_manager/connect b/components/wifi_manager/connect new file mode 100644 index 00000000..8c7fe211 --- /dev/null +++ b/components/wifi_manager/connect @@ -0,0 +1,2 @@ + + \ No newline at end of file diff --git a/components/wifi_manager/dns_server.c b/components/wifi_manager/dns_server.c new file mode 100644 index 00000000..cce537ab --- /dev/null +++ b/components/wifi_manager/dns_server.c @@ -0,0 +1,183 @@ +/* +Copyright (c) 2019 Tony Pottier + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. + +@file dns_server.c +@author Tony Pottier +@brief Defines an extremely basic DNS server for captive portal functionality. +It's basically a DNS hijack that replies to the esp's address no matter which +request is sent to it. + +Contains the freeRTOS task for the DNS server that processes the requests. + +@see https://idyl.io +@see https://github.com/tonyp7/esp32-wifi-manager +*/ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include + +#include + +#include "wifi_manager.h" +#include "dns_server.h" + +static const char TAG[] = "dns_server"; +static TaskHandle_t task_dns_server = NULL; +int socket_fd; + +void dns_server_start() { + xTaskCreate(&dns_server, "dns_server", 3072, NULL, WIFI_MANAGER_TASK_PRIORITY-1, &task_dns_server); +} + +void dns_server_stop(){ + if(task_dns_server){ + vTaskDelete(task_dns_server); + close(socket_fd); + task_dns_server = NULL; + } + +} + + + +void dns_server(void *pvParameters) { + + + + struct sockaddr_in sa, ra; + + /* Set redirection DNS hijack to the access point IP */ + ip4_addr_t ip_resolved; + inet_pton(AF_INET, DEFAULT_AP_IP, &ip_resolved); + + + /* Create UDP socket */ + socket_fd = socket(AF_INET, SOCK_DGRAM, 0); + if (socket_fd < 0){ + ESP_LOGE(TAG, "Failed to create socket"); + exit(0); + } + memset(&sa, 0, sizeof(struct sockaddr_in)); + + /* Bind to port 53 (typical DNS Server port) */ + tcpip_adapter_ip_info_t ip; + tcpip_adapter_get_ip_info(TCPIP_ADAPTER_IF_STA, &ip); + ra.sin_family = AF_INET; + ra.sin_addr.s_addr = ip.ip.addr; + ra.sin_port = htons(53); + if (bind(socket_fd, (struct sockaddr *)&ra, sizeof(struct sockaddr_in)) == -1) { + ESP_LOGE(TAG, "Failed to bind to 53/udp"); + close(socket_fd); + exit(1); + } + + struct sockaddr_in client; + socklen_t client_len; + client_len = sizeof(client); + int length; + uint8_t data[DNS_QUERY_MAX_SIZE]; /* dns query buffer */ + uint8_t response[DNS_ANSWER_MAX_SIZE]; /* dns response buffer */ + char ip_address[INET_ADDRSTRLEN]; /* buffer to store IPs as text. This is only used for debug and serves no other purpose */ + char *domain; /* This is only used for debug and serves no other purpose */ + int err; + + ESP_LOGI(TAG, "DNS Server listening on 53/udp"); + + /* Start loop to process DNS requests */ + for(;;) { + + memset(data, 0x00, sizeof(data)); /* reset buffer */ + length = recvfrom(socket_fd, data, sizeof(data), 0, (struct sockaddr *)&client, &client_len); /* read udp request */ + + /*if the query is bigger than the buffer size we simply ignore it. This case should only happen in case of multiple + * queries within the same DNS packet and is not supported by this simple DNS hijack. */ + if ( length > 0 && ((length + sizeof(dns_answer_t)-1) < DNS_ANSWER_MAX_SIZE) ) { + + data[length] = '\0'; /*in case there's a bogus domain name that isn't null terminated */ + + /* Generate header message */ + memcpy(response, data, sizeof(dns_header_t)); + dns_header_t *dns_header = (dns_header_t*)response; + dns_header->QR = 1; /*response bit */ + dns_header->OPCode = DNS_OPCODE_QUERY; /* no support for other type of response */ + dns_header->AA = 1; /*authoritative answer */ + dns_header->RCode = DNS_REPLY_CODE_NO_ERROR; /* no error */ + dns_header->TC = 0; /*no truncation */ + dns_header->RD = 0; /*no recursion */ + dns_header->ANCount = dns_header->QDCount; /* set answer count = question count -- duhh! */ + dns_header->NSCount = 0x0000; /* name server resource records = 0 */ + dns_header->ARCount = 0x0000; /* resource records = 0 */ + + + /* copy the rest of the query in the response */ + memcpy(response + sizeof(dns_header_t), data + sizeof(dns_header_t), length - sizeof(dns_header_t)); + + + /* extract domain name and request IP for debug */ + inet_ntop(AF_INET, &(client.sin_addr), ip_address, INET_ADDRSTRLEN); + domain = (char*) &data[sizeof(dns_header_t) + 1]; + for(char* c=domain; *c != '\0'; c++){ + if(*c < ' ' || *c > 'z') *c = '.'; /* technically we should test if the first two bits are 00 (e.g. if( (*c & 0xC0) == 0x00) *c = '.') but this makes the code a lot more readable */ + } + ESP_LOGI(TAG, "Replying to DNS request for %s from %s", domain, ip_address); + + + /* create DNS answer at the end of the query*/ + dns_answer_t *dns_answer = (dns_answer_t*)&response[length]; + dns_answer->NAME = __bswap_16(0xC00C); /* This is a pointer to the beginning of the question. As per DNS standard, first two bits must be set to 11 for some odd reason hence 0xC0 */ + dns_answer->TYPE = __bswap_16(DNS_ANSWER_TYPE_A); + dns_answer->CLASS = __bswap_16(DNS_ANSWER_CLASS_IN); + dns_answer->TTL = (uint32_t)0x00000000; /* no caching. Avoids DNS poisoning since this is a DNS hijack */ + dns_answer->RDLENGTH = __bswap_16(0x0004); /* 4 byte => size of an ipv4 address */ + dns_answer->RDATA = ip_resolved.addr; + + err = sendto(socket_fd, response, length+sizeof(dns_answer_t), 0, (struct sockaddr *)&client, client_len); + if (err < 0) { + ESP_LOGE(TAG, "UDP sendto failed: %d", err); + } + } + + taskYIELD(); /* allows the freeRTOS scheduler to take over if needed. DNS daemon should not be taxing on the system */ + + } + close(socket_fd); + + vTaskDelete ( NULL ); +} + + + + diff --git a/components/wifi_manager/dns_server.h b/components/wifi_manager/dns_server.h new file mode 100644 index 00000000..d1da1f8c --- /dev/null +++ b/components/wifi_manager/dns_server.h @@ -0,0 +1,137 @@ +/* +Copyright (c) 2019 Tony Pottier + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. + +@file dns_server.h +@author Tony Pottier +@brief Defines an extremly basic DNS server for captive portal functionality. + +Contains the freeRTOS task for the DNS server that processes the requests. + +@see https://idyl.io +@see https://github.com/tonyp7/esp32-wifi-manager +@see http://www.zytrax.com/books/dns/ch15 +*/ + +#ifndef MAIN_DNS_SERVER_H_ +#define MAIN_DNS_SERVER_H_ + +#ifdef __cplusplus +extern "C" { +#endif + + +/** 12 byte header, 64 byte domain name, 4 byte qtype/qclass. This NOT compliant with the RFC, but it's good enough for a captive portal + * if a DNS query is too big it just wont be processed. */ +#define DNS_QUERY_MAX_SIZE 80 + +/** Query + 2 byte ptr, 2 byte type, 2 byte class, 4 byte TTL, 2 byte len, 4 byte data */ +#define DNS_ANSWER_MAX_SIZE (DNS_QUERY_MAX_SIZE+16) + + +/** + * @brief RCODE values used in a DNS header message + */ +typedef enum dns_reply_code_t { + DNS_REPLY_CODE_NO_ERROR = 0, + DNS_REPLY_CODE_FORM_ERROR = 1, + DNS_REPLY_CODE_SERVER_FAILURE = 2, + DNS_REPLY_CODE_NON_EXISTANT_DOMAIN = 3, + DNS_REPLY_CODE_NOT_IMPLEMENTED = 4, + DNS_REPLY_CODE_REFUSED = 5, + DNS_REPLY_CODE_YXDOMAIN = 6, + DNS_REPLY_CODE_YXRRSET = 7, + DNS_REPLY_CODE_NXRRSET = 8 +}dns_reply_code_t; + + + +/** + * @brief OPCODE values used in a DNS header message + */ +typedef enum dns_opcode_code_t { + DNS_OPCODE_QUERY = 0, + DNS_OPCODE_IQUERY = 1, + DNS_OPCODE_STATUS = 2 +}dns_opcode_code_t; + + + +/** + * @brief Represents a 12 byte DNS header. + * __packed__ is needed to prevent potential unwanted memory alignments + */ +typedef struct __attribute__((__packed__)) dns_header_t{ + uint16_t ID; // identification number + uint8_t RD : 1; // recursion desired + uint8_t TC : 1; // truncated message + uint8_t AA : 1; // authoritive answer + uint8_t OPCode : 4; // message_type + uint8_t QR : 1; // query/response flag + uint8_t RCode : 4; // response code + uint8_t Z : 3; // its z! reserved + uint8_t RA : 1; // recursion available + uint16_t QDCount; // number of question entries + uint16_t ANCount; // number of answer entries + uint16_t NSCount; // number of authority entries + uint16_t ARCount; // number of resource entries +}dns_header_t; + + + +typedef enum dns_answer_type_t { + DNS_ANSWER_TYPE_A = 1, + DNS_ANSWER_TYPE_NS = 2, + DNS_ANSWER_TYPE_CNAME = 5, + DNS_ANSWER_TYPE_SOA = 6, + DNS_ANSWER_TYPE_WKS = 11, + DNS_ANSWER_TYPE_PTR = 12, + DNS_ANSWER_TYPE_MX = 15, + DNS_ANSWER_TYPE_SRV = 33, + DNS_ANSWER_TYPE_AAAA = 28 +}dns_answer_type_t; + +typedef enum dns_answer_class_t { + DNS_ANSWER_CLASS_IN = 1 +}dns_answer_class_t; + + + +typedef struct __attribute__((__packed__)) dns_answer_t{ + uint16_t NAME; /* for the sake of simplicity only 16 bit pointers are supported */ + uint16_t TYPE; /* Unsigned 16 bit value. The resource record types - determines the content of the RDATA field. */ + uint16_t CLASS; /* Class of response. */ + uint32_t TTL; /* The time in seconds that the record may be cached. A value of 0 indicates the record should not be cached. */ + uint16_t RDLENGTH; /* Unsigned 16-bit value that defines the length in bytes of the RDATA record. */ + uint32_t RDATA; /* For the sake of simplicity only ipv4 is supported, and as such it's a unsigned 32 bit */ +}dns_answer_t; + +void dns_server(void *pvParameters); +void dns_server_start(); +void dns_server_stop(); + + + +#ifdef __cplusplus +} +#endif + + +#endif /* MAIN_DNS_SERVER_H_ */ diff --git a/components/wifi_manager/http_server.c b/components/wifi_manager/http_server.c new file mode 100644 index 00000000..c58175eb --- /dev/null +++ b/components/wifi_manager/http_server.c @@ -0,0 +1,273 @@ +/* +Copyright (c) 2017-2019 Tony Pottier + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. + +@file http_server.c +@author Tony Pottier +@brief Defines all functions necessary for the HTTP server to run. + +Contains the freeRTOS task for the HTTP listener and all necessary support +function to process requests, decode URLs, serve files, etc. etc. + +@note http_server task cannot run without the wifi_manager task! +@see https://idyl.io +@see https://github.com/tonyp7/esp32-wifi-manager +*/ + +#include +#include +#include + +#include "freertos/FreeRTOS.h" +#include "freertos/task.h" +#include "freertos/event_groups.h" +#include "esp_wifi.h" +#include "esp_event_loop.h" +#include "nvs_flash.h" +#include "esp_log.h" +#include "driver/gpio.h" +#include "mdns.h" +#include "lwip/api.h" +#include "lwip/err.h" +#include "lwip/netdb.h" +#include "lwip/opt.h" +#include "lwip/memp.h" +#include "lwip/ip.h" +#include "lwip/raw.h" +#include "lwip/udp.h" +#include "lwip/priv/api_msg.h" +#include "lwip/priv/tcp_priv.h" +#include "lwip/priv/tcpip_priv.h" + +#include "http_server.h" +#include "wifi_manager.h" + + +/* @brief tag used for ESP serial console messages */ +static const char TAG[] = "http_server"; + +/* @brief task handle for the http server */ +static TaskHandle_t task_http_server = NULL; + + +/** + * @brief embedded binary data. + * @see file "component.mk" + * @see https://docs.espressif.com/projects/esp-idf/en/latest/api-guides/build-system.html#embedding-binary-data + */ +extern const uint8_t style_css_start[] asm("_binary_style_css_start"); +extern const uint8_t style_css_end[] asm("_binary_style_css_end"); +extern const uint8_t jquery_gz_start[] asm("_binary_jquery_gz_start"); +extern const uint8_t jquery_gz_end[] asm("_binary_jquery_gz_end"); +extern const uint8_t code_js_start[] asm("_binary_code_js_start"); +extern const uint8_t code_js_end[] asm("_binary_code_js_end"); +extern const uint8_t index_html_start[] asm("_binary_index_html_start"); +extern const uint8_t index_html_end[] asm("_binary_index_html_end"); + + +/* const http headers stored in ROM */ +const static char http_html_hdr[] = "HTTP/1.1 200 OK\nContent-type: text/html\n\n"; +const static char http_css_hdr[] = "HTTP/1.1 200 OK\nContent-type: text/css\nCache-Control: public, max-age=31536000\n\n"; +const static char http_js_hdr[] = "HTTP/1.1 200 OK\nContent-type: text/javascript\n\n"; +const static char http_jquery_gz_hdr[] = "HTTP/1.1 200 OK\nContent-type: text/javascript\nAccept-Ranges: bytes\nContent-Length: 29995\nContent-Encoding: gzip\n\n"; +const static char http_400_hdr[] = "HTTP/1.1 400 Bad Request\nContent-Length: 0\n\n"; +const static char http_404_hdr[] = "HTTP/1.1 404 Not Found\nContent-Length: 0\n\n"; +const static char http_503_hdr[] = "HTTP/1.1 503 Service Unavailable\nContent-Length: 0\n\n"; +const static char http_ok_json_no_cache_hdr[] = "HTTP/1.1 200 OK\nContent-type: application/json\nCache-Control: no-store, no-cache, must-revalidate, max-age=0\nPragma: no-cache\n\n"; +const static char http_redirect_hdr_start[] = "HTTP/1.1 302 Found\nLocation: http://"; +const static char http_redirect_hdr_end[] = "/\n\n"; + + + +void http_server_start(){ + if(task_http_server == NULL){ + xTaskCreate(&http_server, "http_server", 2048, NULL, WIFI_MANAGER_TASK_PRIORITY-1, &task_http_server); + } +} + +void http_server(void *pvParameters) { + + struct netconn *conn, *newconn; + err_t err; + conn = netconn_new(NETCONN_TCP); + netconn_bind(conn, IP_ADDR_ANY, 80); + netconn_listen(conn); + ESP_LOGI(TAG, "HTTP Server listening on 80/tcp"); + do { + err = netconn_accept(conn, &newconn); + if (err == ERR_OK) { + http_server_netconn_serve(newconn); + netconn_delete(newconn); + } + taskYIELD(); /* allows the freeRTOS scheduler to take over if needed. */ + } while(err == ERR_OK); + netconn_close(conn); + netconn_delete(conn); + + vTaskDelete( NULL ); +} + + +char* http_server_get_header(char *request, char *header_name, int *len) { + *len = 0; + char *ret = NULL; + char *ptr = NULL; + + ptr = strstr(request, header_name); + if (ptr) { + ret = ptr + strlen(header_name); + ptr = ret; + while (*ptr != '\0' && *ptr != '\n' && *ptr != '\r') { + (*len)++; + ptr++; + } + return ret; + } + return NULL; +} + + +void http_server_netconn_serve(struct netconn *conn) { + + struct netbuf *inbuf; + char *buf = NULL; + u16_t buflen; + err_t err; + const char new_line[2] = "\n"; + + err = netconn_recv(conn, &inbuf); + if (err == ERR_OK) { + + netbuf_data(inbuf, (void**)&buf, &buflen); + + /* extract the first line of the request */ + char *save_ptr = buf; + char *line = strtok_r(save_ptr, new_line, &save_ptr); + + if(line) { + + /* captive portal functionality: redirect to access point IP for HOST that are not the access point IP OR the STA IP */ + int lenH = 0; + char *host = http_server_get_header(save_ptr, "Host: ", &lenH); + /* determine if Host is from the STA IP address */ + wifi_manager_lock_sta_ip_string(portMAX_DELAY); + bool access_from_sta_ip = lenH > 0?strstr(host, wifi_manager_get_sta_ip_string()):false; + wifi_manager_unlock_sta_ip_string(); + + if (lenH > 0 && !strstr(host, DEFAULT_AP_IP) && !access_from_sta_ip) { + netconn_write(conn, http_redirect_hdr_start, sizeof(http_redirect_hdr_start) - 1, NETCONN_NOCOPY); + netconn_write(conn, DEFAULT_AP_IP, sizeof(DEFAULT_AP_IP) - 1, NETCONN_NOCOPY); + netconn_write(conn, http_redirect_hdr_end, sizeof(http_redirect_hdr_end) - 1, NETCONN_NOCOPY); + } + else{ + /* default page */ + if(strstr(line, "GET / ")) { + netconn_write(conn, http_html_hdr, sizeof(http_html_hdr) - 1, NETCONN_NOCOPY); + netconn_write(conn, index_html_start, index_html_end - index_html_start, NETCONN_NOCOPY); + } + else if(strstr(line, "GET /jquery.js ")) { + netconn_write(conn, http_jquery_gz_hdr, sizeof(http_jquery_gz_hdr) - 1, NETCONN_NOCOPY); + netconn_write(conn, jquery_gz_start, jquery_gz_end - jquery_gz_start, NETCONN_NOCOPY); + } + else if(strstr(line, "GET /code.js ")) { + netconn_write(conn, http_js_hdr, sizeof(http_js_hdr) - 1, NETCONN_NOCOPY); + netconn_write(conn, code_js_start, code_js_end - code_js_start, NETCONN_NOCOPY); + } + else if(strstr(line, "GET /ap.json ")) { + /* if we can get the mutex, write the last version of the AP list */ + if(wifi_manager_lock_json_buffer(( TickType_t ) 10)){ + netconn_write(conn, http_ok_json_no_cache_hdr, sizeof(http_ok_json_no_cache_hdr) - 1, NETCONN_NOCOPY); + char *buff = wifi_manager_get_ap_list_json(); + netconn_write(conn, buff, strlen(buff), NETCONN_NOCOPY); + wifi_manager_unlock_json_buffer(); + } + else{ + netconn_write(conn, http_503_hdr, sizeof(http_503_hdr) - 1, NETCONN_NOCOPY); + ESP_LOGD(TAG, "http_server_netconn_serve: GET /ap.json failed to obtain mutex"); + } + /* request a wifi scan */ + wifi_manager_scan_async(); + } + else if(strstr(line, "GET /style.css ")) { + netconn_write(conn, http_css_hdr, sizeof(http_css_hdr) - 1, NETCONN_NOCOPY); + netconn_write(conn, style_css_start, style_css_end - style_css_start, NETCONN_NOCOPY); + } + else if(strstr(line, "GET /status.json ")){ + if(wifi_manager_lock_json_buffer(( TickType_t ) 10)){ + char *buff = wifi_manager_get_ip_info_json(); + if(buff){ + netconn_write(conn, http_ok_json_no_cache_hdr, sizeof(http_ok_json_no_cache_hdr) - 1, NETCONN_NOCOPY); + netconn_write(conn, buff, strlen(buff), NETCONN_NOCOPY); + wifi_manager_unlock_json_buffer(); + } + else{ + netconn_write(conn, http_503_hdr, sizeof(http_503_hdr) - 1, NETCONN_NOCOPY); + } + } + else{ + netconn_write(conn, http_503_hdr, sizeof(http_503_hdr) - 1, NETCONN_NOCOPY); + ESP_LOGD(TAG, "http_server_netconn_serve: GET /status failed to obtain mutex"); + } + } + else if(strstr(line, "DELETE /connect.json ")) { + ESP_LOGD(TAG, "http_server_netconn_serve: DELETE /connect.json"); + /* request a disconnection from wifi and forget about it */ + wifi_manager_disconnect_async(); + netconn_write(conn, http_ok_json_no_cache_hdr, sizeof(http_ok_json_no_cache_hdr) - 1, NETCONN_NOCOPY); /* 200 ok */ + } + else if(strstr(line, "POST /connect.json ")) { + ESP_LOGD(TAG, "http_server_netconn_serve: POST /connect.json"); + + bool found = false; + int lenS = 0, lenP = 0; + char *ssid = NULL, *password = NULL; + ssid = http_server_get_header(save_ptr, "X-Custom-ssid: ", &lenS); + password = http_server_get_header(save_ptr, "X-Custom-pwd: ", &lenP); + + if(ssid && lenS <= MAX_SSID_SIZE && password && lenP <= MAX_PASSWORD_SIZE){ + wifi_config_t* config = wifi_manager_get_wifi_sta_config(); + memset(config, 0x00, sizeof(wifi_config_t)); + memcpy(config->sta.ssid, ssid, lenS); + memcpy(config->sta.password, password, lenP); + ESP_LOGD(TAG, "http_server_netconn_serve: wifi_manager_connect_async() call"); + wifi_manager_connect_async(); + netconn_write(conn, http_ok_json_no_cache_hdr, sizeof(http_ok_json_no_cache_hdr) - 1, NETCONN_NOCOPY); //200ok + found = true; + } + + if(!found){ + /* bad request the authentification header is not complete/not the correct format */ + netconn_write(conn, http_400_hdr, sizeof(http_400_hdr) - 1, NETCONN_NOCOPY); + } + + } + else{ + netconn_write(conn, http_400_hdr, sizeof(http_400_hdr) - 1, NETCONN_NOCOPY); + } + } + } + else{ + netconn_write(conn, http_404_hdr, sizeof(http_404_hdr) - 1, NETCONN_NOCOPY); + } + } + + /* free the buffer */ + netbuf_delete(inbuf); +} diff --git a/components/wifi_manager/http_server.h b/components/wifi_manager/http_server.h new file mode 100644 index 00000000..184618bb --- /dev/null +++ b/components/wifi_manager/http_server.h @@ -0,0 +1,70 @@ +/* +Copyright (c) 2017-2019 Tony Pottier + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. + +@file http_server.h +@author Tony Pottier +@brief Defines all functions necessary for the HTTP server to run. + +Contains the freeRTOS task for the HTTP listener and all necessary support +function to process requests, decode URLs, serve files, etc. etc. + +@note http_server task cannot run without the wifi_manager task! +@see https://idyl.io +@see https://github.com/tonyp7/esp32-wifi-manager +*/ + +#ifndef HTTP_SERVER_H_INCLUDED +#define HTTP_SERVER_H_INCLUDED + +#ifdef __cplusplus +extern "C" { +#endif + +/** + * @brief RTOS task for the HTTP server. Do not start manually. + * @see void http_server_start() + */ +void http_server(void *pvParameters); + +/* @brief helper function that processes one HTTP request at a time */ +void http_server_netconn_serve(struct netconn *conn); + +/* @brief create the task for the http server */ +void http_server_start(); + +/** + * @brief gets a char* pointer to the first occurence of header_name withing the complete http request request. + * + * For optimization purposes, no local copy is made. memcpy can then be used in coordination with len to extract the + * data. + * + * @param request the full HTTP raw request. + * @param header_name the header that is being searched. + * @param len the size of the header value if found. + * @return pointer to the beginning of the header value. + */ +char* http_server_get_header(char *request, char *header_name, int *len); + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/components/wifi_manager/include/wifi_manager.h b/components/wifi_manager/include/wifi_manager.h new file mode 100644 index 00000000..a5eb209e --- /dev/null +++ b/components/wifi_manager/include/wifi_manager.h @@ -0,0 +1 @@ +#include "../wifi_manager.h" diff --git a/components/wifi_manager/index.html b/components/wifi_manager/index.html new file mode 100644 index 00000000..b4a218d8 --- /dev/null +++ b/components/wifi_manager/index.html @@ -0,0 +1,137 @@ + + + + + + + + + + esp32-wifi-manager + + +
+
+
+
+

Wi-Fi

+
+
+

Connected to:

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+
+
+
+

Manual connect

+
+
ADD (HIDDEN) SSID
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+

or choose a network...

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+
+
Powered by esp32-wifi-manager.
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+
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+

Enter Details

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+

Manual Connection

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+ + +
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+ + +
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Enter Password

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Password for

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+ +
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+ + +
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+

Please wait...

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+

Connecting to

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+
+ +

You may lose wifi access while the esp32 recalibrates its radio. Please wait until your device automatically reconnects. This can take up to 30s.

+
+
+

Success!

+
+
+

Connection failed

+

Please double-check wifi password if any and make sure the access point has good signal.

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+ +
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+

+
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+ +
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IP Address

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IP Address:
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Subnet Mask:
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Default Gateway:
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+ +
+
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+
+

Are you sure you would like to disconnect from this wifi?

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+ + +
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+

About this app...

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+

+
+

esp32-wifi-manager, © 2017-2019, Tony Pottier
Licender under the MIT License.

+

+ This app would not be possible without the following libraries: +

+
    +
  • SpinKit, © 2015, Tobias Ahlin. Licensed under the MIT License.
    • +
  • jQuery, The jQuery Foundation. Licensed under the MIT License.
    • +
  • cJSON, © 2009-2017, Dave Gamble and cJSON contributors. Licensed under the MIT License.
    • +
+
+
+ +
+
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