From 69c18f0029b298ef46cd150878e7ebadb1852f2d Mon Sep 17 00:00:00 2001 From: Jason2866 <24528715+Jason2866@users.noreply.github.com> Date: Sat, 24 Dec 2022 13:57:33 +0100 Subject: [PATCH 1/2] IPv6 support --- cores/esp32/IPAddress.cpp | 254 ++++++++++++++---- cores/esp32/IPAddress.h | 145 ++++++++-- .../WiFiTelnetToSerialIPv6.ino | 132 +++++++++ libraries/WiFi/src/WiFiClient.cpp | 62 ++++- libraries/WiFi/src/WiFiGeneric.cpp | 103 +++++-- libraries/WiFi/src/WiFiGeneric.h | 7 + libraries/WiFi/src/WiFiMulti.cpp | 7 + libraries/WiFi/src/WiFiMulti.h | 2 + libraries/WiFi/src/WiFiSTA.cpp | 13 + libraries/WiFi/src/WiFiSTA.h | 1 + libraries/WiFi/src/WiFiServer.cpp | 27 +- libraries/WiFi/src/WiFiServer.h | 1 - libraries/WiFi/src/WiFiUdp.cpp | 167 +++++++++--- 13 files changed, 769 insertions(+), 152 deletions(-) create mode 100644 libraries/WiFi/examples/WiFiTelnetToSerialIPv6/WiFiTelnetToSerialIPv6.ino diff --git a/cores/esp32/IPAddress.cpp b/cores/esp32/IPAddress.cpp index 0575363f254..b8f7b7aae1b 100644 --- a/cores/esp32/IPAddress.cpp +++ b/cores/esp32/IPAddress.cpp @@ -20,68 +20,93 @@ #include #include #include +#include -IPAddress::IPAddress() -{ - _address.dword = 0; +IPAddress::IPAddress() { +#if LWIP_IPV6 + _ip = *IP6_ADDR_ANY; +#else + _ip = *IP_ADDR_ANY; +#endif + // _ip = *IP_ANY_TYPE; // lwIP's v4-or-v6 generic address } -IPAddress::IPAddress(uint8_t first_octet, uint8_t second_octet, uint8_t third_octet, uint8_t fourth_octet) +IPAddress::IPAddress(const IPAddress& from) { - _address.bytes[0] = first_octet; - _address.bytes[1] = second_octet; - _address.bytes[2] = third_octet; - _address.bytes[3] = fourth_octet; + ip_addr_copy(_ip, from._ip); } -IPAddress::IPAddress(uint32_t address) -{ - _address.dword = address; +IPAddress::IPAddress(uint8_t first_octet, uint8_t second_octet, uint8_t third_octet, uint8_t fourth_octet) { + setV4(); + (*this)[0] = first_octet; + (*this)[1] = second_octet; + (*this)[2] = third_octet; + (*this)[3] = fourth_octet; } -IPAddress::IPAddress(const uint8_t *address) -{ - memcpy(_address.bytes, address, sizeof(_address.bytes)); +IPAddress::IPAddress(uint8_t o1, uint8_t o2, uint8_t o3, uint8_t o4, uint8_t o5, uint8_t o6, uint8_t o7, uint8_t o8, uint8_t o9, uint8_t o10, uint8_t o11, uint8_t o12, uint8_t o13, uint8_t o14, uint8_t o15, uint8_t o16) { + setV6(); + (*this)[0] = o1; + (*this)[1] = o2; + (*this)[2] = o3; + (*this)[3] = o4; + (*this)[4] = o5; + (*this)[5] = o6; + (*this)[6] = o7; + (*this)[7] = o8; + (*this)[8] = o9; + (*this)[9] = o10; + (*this)[10] = o11; + (*this)[11] = o12; + (*this)[12] = o13; + (*this)[13] = o14; + (*this)[14] = o15; + (*this)[15] = o16; } -IPAddress& IPAddress::operator=(const uint8_t *address) -{ - memcpy(_address.bytes, address, sizeof(_address.bytes)); - return *this; +IPAddress::IPAddress(IPType type, const uint8_t *address) { + if (type == IPv4) { + setV4(); + memcpy(&this->_ip.u_addr.ip4, address, 4); + } else if (type == IPv6) { + setV6(); + memcpy(&this->_ip.u_addr.ip6.addr[0], address, 16); + } else { +#if LWIP_IPV6 + _ip = *IP6_ADDR_ANY; +#else + _ip = *IP_ADDR_ANY; +#endif + } + } -IPAddress& IPAddress::operator=(uint32_t address) -{ - _address.dword = address; - return *this; +void IPAddress::ctor32(uint32_t address) { + setV4(); + v4() = address; } -bool IPAddress::operator==(const uint8_t* addr) const -{ - return memcmp(addr, _address.bytes, sizeof(_address.bytes)) == 0; +IPAddress::IPAddress(const uint8_t *address) { + setV4(); + (*this)[0] = address[0]; + (*this)[1] = address[1]; + (*this)[2] = address[2]; + (*this)[3] = address[3]; } -size_t IPAddress::printTo(Print& p) const -{ - size_t n = 0; - for(int i = 0; i < 3; i++) { - n += p.print(_address.bytes[i], DEC); - n += p.print('.'); +bool IPAddress::fromString(const char *address) { + if (!fromString4(address)) { +#if LWIP_IPV6 + return fromString6(address); +#else + return false; +#endif } - n += p.print(_address.bytes[3], DEC); - return n; + return true; } -String IPAddress::toString() const -{ - char szRet[16]; - sprintf(szRet,"%u.%u.%u.%u", _address.bytes[0], _address.bytes[1], _address.bytes[2], _address.bytes[3]); - return String(szRet); -} - -bool IPAddress::fromString(const char *address) -{ - // TODO: add support for "a", "a.b", "a.b.c" formats +bool IPAddress::fromString4(const char *address) { + // TODO: (IPv4) add support for "a", "a.b", "a.b.c" formats uint16_t acc = 0; // Accumulator uint8_t dots = 0; @@ -103,7 +128,7 @@ bool IPAddress::fromString(const char *address) // Too much dots (there must be 3 dots) return false; } - _address.bytes[dots++] = acc; + (*this)[dots++] = acc; acc = 0; } else @@ -117,9 +142,146 @@ bool IPAddress::fromString(const char *address) // Too few dots (there must be 3 dots) return false; } - _address.bytes[3] = acc; + (*this)[3] = acc; + + setV4(); + return true; +} + +IPAddress& IPAddress::operator=(const uint8_t *address) { + setV4(); + v4() = *reinterpret_cast(address); + return *this; +} + +IPAddress& IPAddress::operator=(uint32_t address) { + setV4(); + v4() = address; + return *this; +} + +bool IPAddress::operator==(const uint8_t* addr) const { + return isV4() && v4() == *reinterpret_cast(addr); +} + +size_t IPAddress::printTo(Print& p) const { + size_t n = 0; + + // if (!isSet()) + // return p.print(F("(IP unset)")); + +#if LWIP_IPV6 + if (isV6()) { + int count0 = 0; + for (int i = 0; i < 8; i++) { + uint16_t bit = PP_NTOHS(raw6()[i]); + if (bit || count0 < 0) { + n += p.printf("%x", bit); + if (count0 > 0) + // no more hiding 0 + count0 = -8; + } else + count0++; + if ((i != 7 && count0 < 2) || count0 == 7) + n += p.print(':'); + } + return n; + } +#endif + + for(int i = 0; i < 4; i++) { + n += p.print((*this)[i], DEC); + if (i != 3) + n += p.print('.'); + } + return n; +} + +String IPAddress::toString() const +{ + StreamString sstr; +#if LWIP_IPV6 + if (isV6()) + sstr.reserve(40); // 8 shorts x 4 chars each + 7 colons + nullterm + else +#endif + sstr.reserve(16); // 4 bytes with 3 chars max + 3 dots + nullterm, or '(IP unset)' + printTo(sstr); + return sstr; +} + +bool IPAddress::isValid(const String& arg) { + return IPAddress().fromString(arg); +} + +bool IPAddress::isValid(const char* arg) { + return IPAddress().fromString(arg); +} + +const IPAddress INADDR46_ANY; // generic "0.0.0.0" for IPv4 & IPv6 +const IPAddress INADDR46_NONE(255,255,255,255); + +void IPAddress::clear() { + (*this) = INADDR46_ANY; +} + +/**************************************/ + +#if LWIP_IPV6 + +bool IPAddress::fromString6(const char *address) { + // TODO: test test test + + uint32_t acc = 0; // Accumulator + int dots = 0, doubledots = -1; + + while (*address) + { + char c = tolower(*address++); + if (isalnum(c)) { + if (c >= 'a') + c -= 'a' - '0' - 10; + acc = acc * 16 + (c - '0'); + if (acc > 0xffff) + // Value out of range + return false; + } + else if (c == ':') { + if (*address == ':') { + if (doubledots >= 0) + // :: allowed once + return false; + // remember location + doubledots = dots + !!acc; + address++; + } + if (dots == 7) + // too many separators + return false; + raw6()[dots++] = PP_HTONS(acc); + acc = 0; + } + else + // Invalid char + return false; + } + + if (doubledots == -1 && dots != 7) + // Too few separators + return false; + raw6()[dots++] = PP_HTONS(acc); + + if (doubledots != -1) { + for (int i = dots - doubledots - 1; i >= 0; i--) + raw6()[8 - dots + doubledots + i] = raw6()[doubledots + i]; + for (int i = doubledots; i < 8 - dots + doubledots; i++) + raw6()[i] = 0; + } + + setV6(); return true; } +#endif // LWIP_IPV6 // declared one time - as external in IPAddress.h -IPAddress INADDR_NONE(0, 0, 0, 0); +IPAddress INADDR_NONE(0, 0, 0, 0); // TODO diff --git a/cores/esp32/IPAddress.h b/cores/esp32/IPAddress.h index 3bedd4f8749..d6d2e947f67 100644 --- a/cores/esp32/IPAddress.h +++ b/cores/esp32/IPAddress.h @@ -20,77 +20,174 @@ #ifndef IPAddress_h #define IPAddress_h -#include #include #include +#include -// A class to make it easier to handle and pass around IP addresses +enum IPType +{ + IPv4 = IPADDR_TYPE_V4, + IPv6 = IPADDR_TYPE_V6 +}; class IPAddress: public Printable { private: - union { - uint8_t bytes[4]; // IPv4 address - uint32_t dword; - } _address; + ip_addr_t _ip; // Access the raw byte array containing the address. Because this returns a pointer // to the internal structure rather than a copy of the address this function should only // be used when you know that the usage of the returned uint8_t* will be transient and not // stored. - uint8_t* raw_address() - { - return _address.bytes; + uint8_t* raw_address() { + return reinterpret_cast(&v4()); } + const uint8_t* raw_address() const { + return reinterpret_cast(&v4()); + } + + void ctor32 (uint32_t); public: // Constructors IPAddress(); + IPAddress(const IPAddress& from); IPAddress(uint8_t first_octet, uint8_t second_octet, uint8_t third_octet, uint8_t fourth_octet); - IPAddress(uint32_t address); - IPAddress(const uint8_t *address); - virtual ~IPAddress() {} + IPAddress(uint8_t o1, uint8_t o2, uint8_t o3, uint8_t o4, uint8_t o5, uint8_t o6, uint8_t o7, uint8_t o8, uint8_t o9, uint8_t o10, uint8_t o11, uint8_t o12, uint8_t o13, uint8_t o14, uint8_t o15, uint8_t o16); + IPAddress(uint32_t address) { ctor32(address); } + IPAddress(const uint8_t *address); // v4 only + IPAddress(IPType type, const uint8_t *address); bool fromString(const char *address); bool fromString(const String &address) { return fromString(address.c_str()); } // Overloaded cast operator to allow IPAddress objects to be used where a pointer // to a four-byte uint8_t array is expected - operator uint32_t() const - { - return _address.dword; + operator uint32_t() const { return isV4()? v4(): (uint32_t)0; } + operator uint32_t() { return isV4()? v4(): (uint32_t)0; } + + // generic IPv4 wrapper to uint32-view like arduino loves to see it + const uint32_t& v4() const { return ip_2_ip4(&_ip)->addr; } // for raw_address(const) + uint32_t& v4() { return ip_2_ip4(&_ip)->addr; } + + bool operator==(const IPAddress& addr) const { + return ip_addr_cmp(&_ip, &addr._ip); } - bool operator==(const IPAddress& addr) const - { - return _address.dword == addr._address.dword; + bool operator!=(const IPAddress& addr) const { + return !ip_addr_cmp(&_ip, &addr._ip); + } + bool operator==(uint32_t addr) const { + return isV4() && v4() == addr; } + // bool operator==(unsigned long addr) const { + // return isV4() && v4() == (uint32_t)addr; + // } + bool operator!=(uint32_t addr) const { + return !(isV4() && v4() == addr); + } + // bool operator!=(unsigned long addr) const { + // return isV4() && v4() != (uint32_t)addr; + // } bool operator==(const uint8_t* addr) const; + int operator>>(int n) const { + return isV4()? v4() >> n: 0; + } + // Overloaded index operator to allow getting and setting individual octets of the address - uint8_t operator[](int index) const - { - return _address.bytes[index]; + uint8_t operator[](int index) const { + return isV4()? *(raw_address() + index): 0; } - uint8_t& operator[](int index) - { - return _address.bytes[index]; + uint8_t& operator[](int index) { + setV4(); + return *(raw_address() + index); } // Overloaded copy operators to allow initialisation of IPAddress objects from other types IPAddress& operator=(const uint8_t *address); IPAddress& operator=(uint32_t address); + IPAddress& operator=(const IPAddress&) = default; + + IPType type() const { return (IPType)_ip.type; } virtual size_t printTo(Print& p) const; String toString() const; + void clear(); + + /* + check if input string(arg) is a valid IPV4 address or not. + return true on valid. + return false on invalid. + */ + static bool isValid(const String& arg); + static bool isValid(const char* arg); + friend class EthernetClass; friend class UDP; friend class Client; friend class Server; friend class DhcpClass; friend class DNSClient; + + operator ip_addr_t () const { return _ip; } + operator const ip_addr_t*() const { return &_ip; } + operator ip_addr_t*() { return &_ip; } + + bool isV4() const { return IP_IS_V4_VAL(_ip); } + void setV4() { IP_SET_TYPE_VAL(_ip, IPADDR_TYPE_V4); } + + bool isLocal() const { return ip_addr_islinklocal(&_ip); } + bool isAny() const { return ip_addr_isany_val(_ip); } + +#if LWIP_IPV6 + IPAddress(const ip_addr_t& lwip_addr) { ip_addr_copy(_ip, lwip_addr); } + IPAddress(const ip_addr_t* lwip_addr) { ip_addr_copy(_ip, *lwip_addr); } + + IPAddress& operator=(const ip_addr_t& lwip_addr) { ip_addr_copy(_ip, lwip_addr); return *this; } + IPAddress& operator=(const ip_addr_t* lwip_addr) { ip_addr_copy(_ip, *lwip_addr); return *this; } + + uint16_t* raw6() + { + setV6(); + return reinterpret_cast(ip_2_ip6(&_ip)); + } + + const uint16_t* raw6() const + { + return isV6()? reinterpret_cast(ip_2_ip6(&_ip)): nullptr; + } + + // when not IPv6, ip_addr_t == ip4_addr_t so this one would be ambiguous + // required otherwise + operator const ip4_addr_t*() const { return isV4()? ip_2_ip4(&_ip): nullptr; } + + bool isV6() const { return IP_IS_V6_VAL(_ip); } + void setV6() { + IP_SET_TYPE_VAL(_ip, IPADDR_TYPE_V6); + ip6_addr_clear_zone(ip_2_ip6(&_ip)); + } + +protected: + bool fromString6(const char *address); + +#else + + // allow portable code when IPv6 is not enabled + + uint16_t* raw6() { return nullptr; } + const uint16_t* raw6() const { return nullptr; } + bool isV6() const { return false; } + void setV6() { } + +#endif + +protected: + bool fromString4(const char *address); }; // changed to extern because const declaration creates copies in BSS of INADDR_NONE for each CPP unit that includes it extern IPAddress INADDR_NONE; +extern IPAddress IN6ADDR_ANY; + #endif diff --git a/libraries/WiFi/examples/WiFiTelnetToSerialIPv6/WiFiTelnetToSerialIPv6.ino b/libraries/WiFi/examples/WiFiTelnetToSerialIPv6/WiFiTelnetToSerialIPv6.ino new file mode 100644 index 00000000000..05e02771dae --- /dev/null +++ b/libraries/WiFi/examples/WiFiTelnetToSerialIPv6/WiFiTelnetToSerialIPv6.ino @@ -0,0 +1,132 @@ +/* + WiFiTelnetToSerial - Example Transparent UART to Telnet Server for ESP32 + + Copyright (c) 2017 Hristo Gochkov. All rights reserved. + This file is part of the ESP32 WiFi library for Arduino environment. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +*/ +#include +#include + +WiFiMulti wifiMulti; + +//Even this example state IPv6, it is dual stack and compatible with IPv4 too + +//how many clients should be able to telnet to this ESP32 +#define MAX_SRV_CLIENTS 1 +const char* ssid = "**********"; +const char* password = "**********"; + +WiFiServer server(23); +WiFiClient serverClients[MAX_SRV_CLIENTS]; + +void setup() { + Serial.begin(115200); + Serial.println("\nConnecting"); + + wifiMulti.IPv6(true); + wifiMulti.addAP(ssid, password); + wifiMulti.addAP("ssid_from_AP_2", "your_password_for_AP_2"); + wifiMulti.addAP("ssid_from_AP_3", "your_password_for_AP_3"); + + Serial.println("Connecting Wifi "); + for (int loops = 10; loops > 0; loops--) { + if (wifiMulti.run() == WL_CONNECTED) { + Serial.println(""); + Serial.print("WiFi connected "); + Serial.print("IP address: "); + Serial.println(WiFi.localIP()); + break; + } + else { + Serial.println(loops); + delay(1000); + } + } + if (wifiMulti.run() != WL_CONNECTED) { + Serial.println("WiFi connect failed"); + delay(1000); + ESP.restart(); + } + + //start UART and the server + Serial1.begin(9600); + server.begin(); + server.setNoDelay(true); + + Serial.print("Ready! Use 'telnet "); + Serial.print(WiFi.localIP()); + Serial.println(" 23' to connect"); +} + +void loop() { + uint8_t i; + if (wifiMulti.run() == WL_CONNECTED) { + //check if there are any new clients + if (server.hasClient()){ + for(i = 0; i < MAX_SRV_CLIENTS; i++){ + //find free/disconnected spot + if (!serverClients[i] || !serverClients[i].connected()){ + if(serverClients[i]) serverClients[i].stop(); + serverClients[i] = server.available(); + if (!serverClients[i]) Serial.println("available broken"); + Serial.print("New client: "); + Serial.print(i); Serial.print(' '); + Serial.println(serverClients[i].remoteIP()); + break; + } + } + if (i >= MAX_SRV_CLIENTS) { + //no free/disconnected spot so reject + server.available().stop(); + } + } + //check clients for data + for(i = 0; i < MAX_SRV_CLIENTS; i++){ + if (serverClients[i] && serverClients[i].connected()){ + if(serverClients[i].available()){ + //get data from the telnet client and push it to the UART + while(serverClients[i].available()) Serial1.write(serverClients[i].read()); + } + } + else { + if (serverClients[i]) { + serverClients[i].stop(); + } + } + } + //check UART for data + if(Serial1.available()){ + size_t len = Serial1.available(); + uint8_t sbuf[len]; + Serial1.readBytes(sbuf, len); + //push UART data to all connected telnet clients + for(i = 0; i < MAX_SRV_CLIENTS; i++){ + if (serverClients[i] && serverClients[i].connected()){ + serverClients[i].write(sbuf, len); + delay(1); + } + } + } + } + else { + Serial.println("WiFi not connected!"); + for(i = 0; i < MAX_SRV_CLIENTS; i++) { + if (serverClients[i]) serverClients[i].stop(); + } + delay(1000); + } +} diff --git a/libraries/WiFi/src/WiFiClient.cpp b/libraries/WiFi/src/WiFiClient.cpp index 6e56e94ac53..ac8577fba80 100644 --- a/libraries/WiFi/src/WiFiClient.cpp +++ b/libraries/WiFi/src/WiFiClient.cpp @@ -23,6 +23,11 @@ #include #include +#define IN6_IS_ADDR_V4MAPPED(a) \ + ((((__const uint32_t *) (a))[0] == 0) \ + && (((__const uint32_t *) (a))[1] == 0) \ + && (((__const uint32_t *) (a))[2] == htonl (0xffff))) + #define WIFI_CLIENT_DEF_CONN_TIMEOUT_MS (3000) #define WIFI_CLIENT_MAX_WRITE_RETRY (10) #define WIFI_CLIENT_SELECT_TIMEOUT_US (1000000) @@ -210,22 +215,32 @@ int WiFiClient::connect(IPAddress ip, uint16_t port) { return connect(ip,port,_timeout); } + int WiFiClient::connect(IPAddress ip, uint16_t port, int32_t timeout) { + struct sockaddr_storage serveraddr = {}; _timeout = timeout; - int sockfd = socket(AF_INET, SOCK_STREAM, 0); + int sockfd = -1; + + if (ip.type() == IPv6) { + struct sockaddr_in6 *tmpaddr = (struct sockaddr_in6 *)&serveraddr; + sockfd = socket(AF_INET6, SOCK_STREAM, 0); + tmpaddr->sin6_family = AF_INET6; + memcpy(tmpaddr->sin6_addr.un.u8_addr, &ip[0], 16); + tmpaddr->sin6_port = htons(port); + } else { + struct sockaddr_in *tmpaddr = (struct sockaddr_in *)&serveraddr; + sockfd = socket(AF_INET, SOCK_STREAM, 0); + tmpaddr->sin_family = AF_INET; + tmpaddr->sin_addr.s_addr = ip; + tmpaddr->sin_port = htons(port); + } if (sockfd < 0) { log_e("socket: %d", errno); return 0; } fcntl( sockfd, F_SETFL, fcntl( sockfd, F_GETFL, 0 ) | O_NONBLOCK ); - uint32_t ip_addr = ip; - struct sockaddr_in serveraddr; - memset((char *) &serveraddr, 0, sizeof(serveraddr)); - serveraddr.sin_family = AF_INET; - memcpy((void *)&serveraddr.sin_addr.s_addr, (const void *)(&ip_addr), 4); - serveraddr.sin_port = htons(port); fd_set fdset; struct timeval tv; FD_ZERO(&fdset); @@ -294,6 +309,19 @@ int WiFiClient::connect(const char *host, uint16_t port) int WiFiClient::connect(const char *host, uint16_t port, int32_t timeout) { + if (WiFiGenericClass::getStatusBits() & WIFI_WANT_IP6_BIT) { + ip_addr_t srv6; + if(!WiFiGenericClass::hostByName6(host, srv6)){ + return 0; + } + if (srv6.type == IPADDR_TYPE_V4) { + IPAddress ip(srv6.u_addr.ip4.addr); + return connect(ip, port, timeout); + } else { + IPAddress ip(IPv6, (uint8_t*)&srv6.u_addr.ip6.addr[0]); + return connect(ip, port, timeout); + } + } IPAddress srv((uint32_t)0); if(!WiFiGenericClass::hostByName(host, srv)){ return 0; @@ -562,8 +590,24 @@ IPAddress WiFiClient::remoteIP(int fd) const struct sockaddr_storage addr; socklen_t len = sizeof addr; getpeername(fd, (struct sockaddr*)&addr, &len); - struct sockaddr_in *s = (struct sockaddr_in *)&addr; - return IPAddress((uint32_t)(s->sin_addr.s_addr)); + + // IPv4 socket, old way + if (((struct sockaddr*)&addr)->sa_family == AF_INET) { + struct sockaddr_in *s = (struct sockaddr_in *)&addr; + return IPAddress((uint32_t)(s->sin_addr.s_addr)); + } + + // IPv6, but it might be IPv4 mapped address + if (((struct sockaddr*)&addr)->sa_family == AF_INET6) { + struct sockaddr_in6 *saddr6 = (struct sockaddr_in6 *)&addr; + if (IN6_IS_ADDR_V4MAPPED(saddr6->sin6_addr.un.u32_addr)) { + return IPAddress(IPv4, (uint8_t*)saddr6->sin6_addr.s6_addr+12); + } else { + return IPAddress(IPv6, (uint8_t*)(saddr6->sin6_addr.s6_addr)); + } + } + log_e("WiFiClient::remoteIP Not AF_INET or AF_INET6?"); + return (IPAddress(0,0,0,0)); } uint16_t WiFiClient::remotePort(int fd) const diff --git a/libraries/WiFi/src/WiFiGeneric.cpp b/libraries/WiFi/src/WiFiGeneric.cpp index 1b74d322739..95648589a36 100644 --- a/libraries/WiFi/src/WiFiGeneric.cpp +++ b/libraries/WiFi/src/WiFiGeneric.cpp @@ -188,20 +188,18 @@ esp_err_t set_esp_interface_ip(esp_interface_t interface, IPAddress local_ip=IPA lease.start_ip.addr = _byte_swap32(lease.start_ip.addr); lease.end_ip.addr = _byte_swap32(lease.end_ip.addr); log_v("DHCP Server Range: %s to %s", IPAddress(lease.start_ip.addr).toString().c_str(), IPAddress(lease.end_ip.addr).toString().c_str()); - err = esp_netif_dhcps_option( - esp_netif, - ESP_NETIF_OP_SET, - ESP_NETIF_SUBNET_MASK, + err = tcpip_adapter_dhcps_option( + (tcpip_adapter_dhcp_option_mode_t)TCPIP_ADAPTER_OP_SET, + (tcpip_adapter_dhcp_option_id_t)ESP_NETIF_SUBNET_MASK, (void*)&info.netmask.addr, sizeof(info.netmask.addr) ); if(err){ log_e("DHCPS Set Netmask Failed! 0x%04x", err); return err; } - err = esp_netif_dhcps_option( - esp_netif, - ESP_NETIF_OP_SET, - ESP_NETIF_REQUESTED_IP_ADDRESS, + err = tcpip_adapter_dhcps_option( + (tcpip_adapter_dhcp_option_mode_t)TCPIP_ADAPTER_OP_SET, + (tcpip_adapter_dhcp_option_id_t)REQUESTED_IP_ADDRESS, (void*)&lease, sizeof(dhcps_lease_t) ); if(err){ @@ -945,8 +943,8 @@ esp_err_t WiFiGenericClass::_eventCallback(arduino_event_t *event) } else if(event->event_id == ARDUINO_EVENT_WIFI_STA_CONNECTED) { WiFiSTAClass::_setStatus(WL_IDLE_STATUS); setStatusBits(STA_CONNECTED_BIT); - - //esp_netif_create_ip6_linklocal(esp_netifs[ESP_IF_WIFI_STA]); + if (getStatusBits() & WIFI_WANT_IP6_BIT) + esp_netif_create_ip6_linklocal(esp_netifs[ESP_IF_WIFI_STA]); } else if(event->event_id == ARDUINO_EVENT_WIFI_STA_DISCONNECTED) { uint8_t reason = event->event_info.wifi_sta_disconnected.reason; // Reason 0 causes crash, use reason 1 (UNSPECIFIED) instead @@ -1450,35 +1448,82 @@ static void wifi_dns_found_callback(const char *name, const ip_addr_t *ipaddr, v } /** - * Resolve the given hostname to an IP address. If passed hostname is an IP address, it will be parsed into IPAddress structure. - * @param aHostname Name to be resolved or string containing IP address + * IPv6 compatible DNS callback + * @param name + * @param ipaddr + * @param callback_arg + */ +static void wifi_dns6_found_callback(const char *name, const ip_addr_t *ipaddr, void *callback_arg) +{ + struct dns_api_msg *msg = (struct dns_api_msg *)callback_arg; + + if(ipaddr && !msg->result) { + msg->ip_addr = *ipaddr; + msg->result = 1; + } else { + msg->result = -1; + } + xEventGroupSetBits(_arduino_event_group, WIFI_DNS_DONE_BIT); +} + +/** + * Resolve the given hostname to an IP address. + * @param aHostname Name to be resolved * @param aResult IPAddress structure to store the returned IP address * @return 1 if aIPAddrString was successfully converted to an IP address, * else error code */ int WiFiGenericClass::hostByName(const char* aHostname, IPAddress& aResult) { - if (!aResult.fromString(aHostname)) - { - ip_addr_t addr; - aResult = static_cast(0); - waitStatusBits(WIFI_DNS_IDLE_BIT, 16000); - clearStatusBits(WIFI_DNS_IDLE_BIT | WIFI_DNS_DONE_BIT); - err_t err = dns_gethostbyname(aHostname, &addr, &wifi_dns_found_callback, &aResult); - if(err == ERR_OK && addr.u_addr.ip4.addr) { - aResult = addr.u_addr.ip4.addr; - } else if(err == ERR_INPROGRESS) { - waitStatusBits(WIFI_DNS_DONE_BIT, 15000); //real internal timeout in lwip library is 14[s] - clearStatusBits(WIFI_DNS_DONE_BIT); - } - setStatusBits(WIFI_DNS_IDLE_BIT); - if((uint32_t)aResult == 0){ - log_e("DNS Failed for %s", aHostname); - } + ip_addr_t addr; + aResult = static_cast(0); + waitStatusBits(WIFI_DNS_IDLE_BIT, 16000); + clearStatusBits(WIFI_DNS_IDLE_BIT | WIFI_DNS_DONE_BIT); + err_t err = dns_gethostbyname(aHostname, &addr, &wifi_dns_found_callback, &aResult); + if(err == ERR_OK && addr.u_addr.ip4.addr) { + aResult = addr.u_addr.ip4.addr; + } else if(err == ERR_INPROGRESS) { + waitStatusBits(WIFI_DNS_DONE_BIT, 15000); //real internal timeout in lwip library is 14[s] + clearStatusBits(WIFI_DNS_DONE_BIT); + } + setStatusBits(WIFI_DNS_IDLE_BIT); + if((uint32_t)aResult == 0){ + log_e("DNS Failed for %s", aHostname); } return (uint32_t)aResult != 0; } +/** + * Resolve the given hostname to an IP6 address. + * @param aHostname Name to be resolved + * @param aResult IPv6Address structure to store the returned IP address + * @return 1 if aHostname was successfully converted to an IP address, + * else error code + */ +int WiFiGenericClass::hostByName6(const char* aHostname, ip_addr_t& aResult) +{ + ip_addr_t addr; + struct dns_api_msg arg; + + memset(&arg, 0x0, sizeof(arg)); + waitStatusBits(WIFI_DNS_IDLE_BIT, 16000); + clearStatusBits(WIFI_DNS_IDLE_BIT | WIFI_DNS_DONE_BIT); + + err_t err = dns_gethostbyname_addrtype(aHostname, &addr, &wifi_dns6_found_callback, + &arg, LWIP_DNS_ADDRTYPE_IPV6_IPV4); + if(err == ERR_OK) { + aResult = addr; + } else if(err == ERR_INPROGRESS) { + waitStatusBits(WIFI_DNS_DONE_BIT, 15000); //real internal timeout in lwip library is 14[s] + clearStatusBits(WIFI_DNS_DONE_BIT); + if (arg.result == 1) { + aResult = arg.ip_addr; + } + } + setStatusBits(WIFI_DNS_IDLE_BIT); + return (uint32_t)err == ERR_OK || (err == ERR_INPROGRESS && arg.result == 1); +} + IPAddress WiFiGenericClass::calculateNetworkID(IPAddress ip, IPAddress subnet) { IPAddress networkID; diff --git a/libraries/WiFi/src/WiFiGeneric.h b/libraries/WiFi/src/WiFiGeneric.h index 2f670a34d05..f969cfc7266 100644 --- a/libraries/WiFi/src/WiFiGeneric.h +++ b/libraries/WiFi/src/WiFiGeneric.h @@ -138,6 +138,7 @@ static const int WIFI_SCANNING_BIT = BIT11; static const int WIFI_SCAN_DONE_BIT= BIT12; static const int WIFI_DNS_IDLE_BIT = BIT13; static const int WIFI_DNS_DONE_BIT = BIT14; +static const int WIFI_WANT_IP6_BIT = BIT15; typedef enum { WIFI_RX_ANT0 = 0, @@ -151,6 +152,11 @@ typedef enum { WIFI_TX_ANT_AUTO } wifi_tx_ant_t; +struct dns_api_msg { + ip_addr_t ip_addr; + int result; +}; + class WiFiGenericClass { public: @@ -212,6 +218,7 @@ class WiFiGenericClass public: static int hostByName(const char *aHostname, IPAddress &aResult); + static int hostByName6(const char *aHostname, ip_addr_t& aResult); static IPAddress calculateNetworkID(IPAddress ip, IPAddress subnet); static IPAddress calculateBroadcast(IPAddress ip, IPAddress subnet); diff --git a/libraries/WiFi/src/WiFiMulti.cpp b/libraries/WiFi/src/WiFiMulti.cpp index 3d69e481293..9e7f03c6531 100644 --- a/libraries/WiFi/src/WiFiMulti.cpp +++ b/libraries/WiFi/src/WiFiMulti.cpp @@ -30,6 +30,7 @@ WiFiMulti::WiFiMulti() { + ipv6_support = false; } WiFiMulti::~WiFiMulti() @@ -160,6 +161,8 @@ uint8_t WiFiMulti::run(uint32_t connectTimeout) log_i("[WIFI] Connecting BSSID: %02X:%02X:%02X:%02X:%02X:%02X SSID: %s Channel: %d (%d)", bestBSSID[0], bestBSSID[1], bestBSSID[2], bestBSSID[3], bestBSSID[4], bestBSSID[5], bestNetwork.ssid, bestChannel, bestNetworkDb); WiFi.begin(bestNetwork.ssid, bestNetwork.passphrase, bestChannel, bestBSSID); + if (ipv6_support == true) + WiFi.IPv6(true); status = WiFi.status(); auto startTime = millis(); @@ -202,3 +205,7 @@ uint8_t WiFiMulti::run(uint32_t connectTimeout) return status; } + +void WiFiMulti::IPv6(bool state) { + ipv6_support = state; +} diff --git a/libraries/WiFi/src/WiFiMulti.h b/libraries/WiFi/src/WiFiMulti.h index 38ddb5d9f95..bbeb78dc860 100644 --- a/libraries/WiFi/src/WiFiMulti.h +++ b/libraries/WiFi/src/WiFiMulti.h @@ -42,10 +42,12 @@ class WiFiMulti bool addAP(const char* ssid, const char *passphrase = NULL); + void IPv6(bool state); uint8_t run(uint32_t connectTimeout=5000); private: std::vector APlist; + bool ipv6_support; }; #endif /* WIFICLIENTMULTI_H_ */ diff --git a/libraries/WiFi/src/WiFiSTA.cpp b/libraries/WiFi/src/WiFiSTA.cpp index 7bcafea1d3e..d8075868475 100644 --- a/libraries/WiFi/src/WiFiSTA.cpp +++ b/libraries/WiFi/src/WiFiSTA.cpp @@ -732,6 +732,19 @@ bool WiFiSTAClass::enableIpV6() return esp_netif_create_ip6_linklocal(get_esp_interface_netif(ESP_IF_WIFI_STA)) == ESP_OK; } +/** + * Enable IPv6 support on the station interface. + * @return true on success + */ +bool WiFiSTAClass::IPv6(bool state) +{ + if (state) + WiFiGenericClass::setStatusBits(WIFI_WANT_IP6_BIT); + else + WiFiGenericClass::clearStatusBits(WIFI_WANT_IP6_BIT); + return true; +} + /** * Get the station interface IPv6 address. * @return IPv6Address diff --git a/libraries/WiFi/src/WiFiSTA.h b/libraries/WiFi/src/WiFiSTA.h index b8bb855c198..6892c996b30 100644 --- a/libraries/WiFi/src/WiFiSTA.h +++ b/libraries/WiFi/src/WiFiSTA.h @@ -84,6 +84,7 @@ class WiFiSTAClass uint8_t subnetCIDR(); bool enableIpV6(); + bool IPv6(bool state); IPv6Address localIPv6(); // STA WiFi info diff --git a/libraries/WiFi/src/WiFiServer.cpp b/libraries/WiFi/src/WiFiServer.cpp index db21858125b..ad2cb7fb364 100644 --- a/libraries/WiFi/src/WiFiServer.cpp +++ b/libraries/WiFi/src/WiFiServer.cpp @@ -47,8 +47,8 @@ WiFiClient WiFiServer::available(){ _accepted_sockfd = -1; } else { - struct sockaddr_in _client; - int cs = sizeof(struct sockaddr_in); + struct sockaddr_in6 _client; + int cs = sizeof(struct sockaddr_in6); #ifdef ESP_IDF_VERSION_MAJOR client_sock = lwip_accept(sockfd, (struct sockaddr *)&_client, (socklen_t*)&cs); #else @@ -76,14 +76,23 @@ void WiFiServer::begin(uint16_t port, int enable){ if(port){ _port = port; } - struct sockaddr_in server; - sockfd = socket(AF_INET , SOCK_STREAM, 0); + struct sockaddr_in6 server; + sockfd = socket(AF_INET6 , SOCK_STREAM, 0); if (sockfd < 0) return; setsockopt(sockfd, SOL_SOCKET, SO_REUSEADDR, &enable, sizeof(int)); - server.sin_family = AF_INET; - server.sin_addr.s_addr = _addr; - server.sin_port = htons(_port); + server.sin6_family = AF_INET6; + if (_addr.type() == IPv4) { + log_e("---------------- IPv4"); + memcpy(server.sin6_addr.s6_addr+11, (uint8_t*)&_addr[0], 4); + server.sin6_addr.s6_addr[10] = 0xFF; + server.sin6_addr.s6_addr[11] = 0xFF; + } else { + log_e("---------------- IPv6"); + memcpy(server.sin6_addr.s6_addr, (uint8_t*)&_addr[0], 16); + } + memset(server.sin6_addr.s6_addr, 0x0, 16); + server.sin6_port = htons(_port); if(bind(sockfd, (struct sockaddr *)&server, sizeof(server)) < 0) return; if(listen(sockfd , _max_clients) < 0) @@ -106,8 +115,8 @@ bool WiFiServer::hasClient() { if (_accepted_sockfd >= 0) { return true; } - struct sockaddr_in _client; - int cs = sizeof(struct sockaddr_in); + struct sockaddr_in6 _client; + int cs = sizeof(struct sockaddr_in6); #ifdef ESP_IDF_VERSION_MAJOR _accepted_sockfd = lwip_accept(sockfd, (struct sockaddr *)&_client, (socklen_t*)&cs); #else diff --git a/libraries/WiFi/src/WiFiServer.h b/libraries/WiFi/src/WiFiServer.h index 346986abad5..d933231bdbb 100644 --- a/libraries/WiFi/src/WiFiServer.h +++ b/libraries/WiFi/src/WiFiServer.h @@ -37,7 +37,6 @@ class WiFiServer : public Server { public: void listenOnLocalhost(){} - // _addr(INADDR_ANY) is the same as _addr() ==> 0.0.0.0 WiFiServer(uint16_t port=80, uint8_t max_clients=4):sockfd(-1),_accepted_sockfd(-1),_addr(),_port(port),_max_clients(max_clients),_listening(false),_noDelay(false) { log_v("WiFiServer::WiFiServer(port=%d, ...)", port); } diff --git a/libraries/WiFi/src/WiFiUdp.cpp b/libraries/WiFi/src/WiFiUdp.cpp index 476b5a4a8b5..8f945d77c18 100644 --- a/libraries/WiFi/src/WiFiUdp.cpp +++ b/libraries/WiFi/src/WiFiUdp.cpp @@ -48,7 +48,11 @@ uint8_t WiFiUDP::begin(IPAddress address, uint16_t port){ return 0; } +#if LWIP_IPV6 + if ((udp_server=socket(address.isV6() ? AF_INET6 : AF_INET, SOCK_DGRAM, 0)) == -1){ +#else if ((udp_server=socket(AF_INET, SOCK_DGRAM, 0)) == -1){ +#endif log_e("could not create socket: %d", errno); return 0; } @@ -60,38 +64,80 @@ uint8_t WiFiUDP::begin(IPAddress address, uint16_t port){ return 0; } - struct sockaddr_in addr; - memset((char *) &addr, 0, sizeof(addr)); - addr.sin_family = AF_INET; - addr.sin_port = htons(server_port); - addr.sin_addr.s_addr = (in_addr_t)address; - if(bind(udp_server , (struct sockaddr*)&addr, sizeof(addr)) == -1){ + struct sockaddr_storage serveraddr = {}; + size_t sock_size = 0; +#if LWIP_IPV6 + if (address.isV6()) { + struct sockaddr_in6 *tmpaddr = (struct sockaddr_in6 *)&serveraddr; + ip_addr_t * ip_addr = (ip_addr_t*) address; + memset((char *) tmpaddr, 0, sizeof(struct sockaddr_in)); + tmpaddr->sin6_family = AF_INET6; + tmpaddr->sin6_port = htons(server_port); + inet6_addr_from_ip6addr(&tmpaddr->sin6_addr, ip_2_ip6(ip_addr)); + tmpaddr->sin6_flowinfo = 0; + sock_size = sizeof(sockaddr_in6); + } else +#endif + if (1) { + struct sockaddr_in *tmpaddr = (struct sockaddr_in *)&serveraddr; + memset((char *) tmpaddr, 0, sizeof(struct sockaddr_in)); + tmpaddr->sin_family = AF_INET; + tmpaddr->sin_port = htons(server_port); + tmpaddr->sin_addr.s_addr = (in_addr_t)address; + sock_size = sizeof(sockaddr_in); + } + if(bind(udp_server , (sockaddr*)&serveraddr, sock_size) == -1){ log_e("could not bind socket: %d", errno); stop(); return 0; } + fcntl(udp_server, F_SETFL, O_NONBLOCK); return 1; } uint8_t WiFiUDP::begin(uint16_t p){ - return begin(IPAddress(INADDR_ANY), p); + return begin(IPAddress(), p); } uint8_t WiFiUDP::beginMulticast(IPAddress a, uint16_t p){ - if(begin(IPAddress(INADDR_ANY), p)){ - if(a != 0){ - struct ip_mreq mreq; - mreq.imr_multiaddr.s_addr = (in_addr_t)a; - mreq.imr_interface.s_addr = INADDR_ANY; - if (setsockopt(udp_server, IPPROTO_IP, IP_ADD_MEMBERSHIP, &mreq, sizeof(mreq)) < 0) { + if(begin(IPAddress(), p)){ + ip_addr_t * ip_addr = (ip_addr_t*) a; + if (ip_addr_ismulticast(ip_addr)) { +#if LWIP_IPV6 + if (IP_IS_V6_VAL(*ip_addr)) { + struct ipv6_mreq mreq; + bool joined = false; + inet6_addr_from_ip6addr(&mreq.ipv6mr_multiaddr, ip_2_ip6(ip_addr)); + + // iterate on each interface + for (netif* intf = netif_list; intf != nullptr; intf = intf->next) { + mreq.ipv6mr_interface = intf->num + 1; + if (intf->name[0] != 'l' || intf->name[1] != 'o') { // skip 'lo' local interface + int ret = setsockopt(udp_server, IPPROTO_IPV6, IPV6_JOIN_GROUP, &mreq, sizeof(mreq)); + if (ret >= 0) { joined = true; } + } + } + if (!joined) { log_e("could not join igmp: %d", errno); stop(); return 0; + } + } else +#endif + if (1) { + struct ip_mreq mreq; + mreq.imr_multiaddr.s_addr = (in_addr_t)a; + mreq.imr_interface.s_addr = INADDR_ANY; + if (setsockopt(udp_server, IPPROTO_IP, IP_ADD_MEMBERSHIP, &mreq, sizeof(mreq)) < 0) { + log_e("could not join igmp: %d", errno); + stop(); + return 0; + } } multicast_ip = a; + return 1; } - return 1; } return 0; } @@ -109,19 +155,37 @@ void WiFiUDP::stop(){ } if(udp_server == -1) return; - if(multicast_ip != 0){ - struct ip_mreq mreq; - mreq.imr_multiaddr.s_addr = (in_addr_t)multicast_ip; - mreq.imr_interface.s_addr = (in_addr_t)0; - setsockopt(udp_server, IPPROTO_IP, IP_DROP_MEMBERSHIP, &mreq, sizeof(mreq)); - multicast_ip = IPAddress(INADDR_ANY); + ip_addr_t * mcast_addr = (ip_addr_t*) multicast_ip; + if (!ip_addr_isany(mcast_addr)) { +#if LWIP_IPV6 + if (IP_IS_V6(mcast_addr)) { + struct ipv6_mreq mreq; + inet6_addr_from_ip6addr(&mreq.ipv6mr_multiaddr, ip_2_ip6(mcast_addr)); + + // iterate on each interface + for (netif* intf = netif_list; intf != nullptr; intf = intf->next) { + mreq.ipv6mr_interface = intf->num + 1; + if (intf->name[0] != 'l' || intf->name[1] != 'o') { // skip 'lo' local interface + int ret = setsockopt(udp_server, IPPROTO_IPV6, IPV6_LEAVE_GROUP, &mreq, sizeof(mreq)); + } + } + } else +#endif + if (1) { + struct ip_mreq mreq; + mreq.imr_multiaddr.s_addr = (in_addr_t)multicast_ip; + mreq.imr_interface.s_addr = (in_addr_t)0; + setsockopt(udp_server, IPPROTO_IP, IP_DROP_MEMBERSHIP, &mreq, sizeof(mreq)); + } + // now common code for v4/v6 + multicast_ip = IPAddress(); } close(udp_server); udp_server = -1; } int WiFiUDP::beginMulticastPacket(){ - if(!server_port || multicast_ip == IPAddress(INADDR_ANY)) + if(!server_port || multicast_ip == IPAddress()) return 0; remote_ip = multicast_ip; remote_port = server_port; @@ -174,14 +238,28 @@ int WiFiUDP::beginPacket(const char *host, uint16_t port){ } int WiFiUDP::endPacket(){ - struct sockaddr_in recipient; - recipient.sin_addr.s_addr = (uint32_t)remote_ip; - recipient.sin_family = AF_INET; - recipient.sin_port = htons(remote_port); - int sent = sendto(udp_server, tx_buffer, tx_buffer_len, 0, (struct sockaddr*) &recipient, sizeof(recipient)); - if(sent < 0){ - log_e("could not send data: %d", errno); - return 0; + + if (remote_ip.isV4()) { + struct sockaddr_in recipient; + recipient.sin_addr.s_addr = (uint32_t)remote_ip; + recipient.sin_family = AF_INET; + recipient.sin_port = htons(remote_port); + int sent = sendto(udp_server, tx_buffer, tx_buffer_len, 0, (struct sockaddr*) &recipient, sizeof(recipient)); + if(sent < 0){ + log_e("could not send data: %d", errno); + return 0; + } + } else { + struct sockaddr_in6 recipient; + recipient.sin6_flowinfo = 0; + recipient.sin6_addr = *(in6_addr*)(ip_addr_t*)remote_ip; + recipient.sin6_family = AF_INET6; + recipient.sin6_port = htons(remote_port); + int sent = sendto(udp_server, tx_buffer, tx_buffer_len, 0, (struct sockaddr*) &recipient, sizeof(recipient)); + if(sent < 0){ + log_e("could not send data: %d", errno); + return 0; + } } return 1; } @@ -205,13 +283,14 @@ size_t WiFiUDP::write(const uint8_t *buffer, size_t size){ int WiFiUDP::parsePacket(){ if(rx_buffer) return 0; - struct sockaddr_in si_other; - int slen = sizeof(si_other) , len; + struct sockaddr_storage si_other_storage; // enough storage for v4 and v6 + socklen_t slen = sizeof(sockaddr_storage); + int len; char * buf = new char[1460]; if(!buf){ return 0; } - if ((len = recvfrom(udp_server, buf, 1460, MSG_DONTWAIT, (struct sockaddr *) &si_other, (socklen_t *)&slen)) == -1){ + if ((len = recvfrom(udp_server, buf, 1460, MSG_DONTWAIT, (struct sockaddr *) &si_other_storage, (socklen_t *)&slen)) == -1){ delete[] buf; if(errno == EWOULDBLOCK){ return 0; @@ -219,8 +298,28 @@ int WiFiUDP::parsePacket(){ log_e("could not receive data: %d", errno); return 0; } - remote_ip = IPAddress(si_other.sin_addr.s_addr); - remote_port = ntohs(si_other.sin_port); + if (si_other_storage.ss_family == AF_INET) { + struct sockaddr_in &si_other = (sockaddr_in&) si_other_storage; + remote_ip = IPAddress(si_other.sin_addr.s_addr); + remote_port = ntohs(si_other.sin_port); + } +#if LWIP_IPV6 + else if (si_other_storage.ss_family == AF_INET6) { + struct sockaddr_in6 &si_other = (sockaddr_in6&) si_other_storage; + remote_ip = IPAddress(IPv6, (uint8_t*)&si_other.sin6_addr); // force IPv6 + ip_addr_t *ip_addr = (ip_addr_t*) remote_ip; + /* Dual-stack: Unmap IPv4 mapped IPv6 addresses */ + if (IP_IS_V6_VAL(*ip_addr) && ip6_addr_isipv4mappedipv6(ip_2_ip6(ip_addr))) { + unmap_ipv4_mapped_ipv6(ip_2_ip4(ip_addr), ip_2_ip6(ip_addr)); + IP_SET_TYPE_VAL(*ip_addr, IPADDR_TYPE_V4); + } + remote_port = ntohs(si_other.sin6_port); + } +#endif // LWIP_IPV6=1 + else { + remote_ip = *IP_ADDR_ANY; + remote_port = 0; + } if (len > 0) { rx_buffer = new cbuf(len); rx_buffer->write(buf, len); From 23d715af1b185fac21558c907af4ff5b86526aa4 Mon Sep 17 00:00:00 2001 From: Pedro Minatel Date: Fri, 20 Jan 2023 15:18:51 +0000 Subject: [PATCH 2/2] Added ESP32-S3 link to the datasheet (#7738) --- libraries/ESP32/examples/Template/ExampleTemplate/README.md | 1 + 1 file changed, 1 insertion(+) diff --git a/libraries/ESP32/examples/Template/ExampleTemplate/README.md b/libraries/ESP32/examples/Template/ExampleTemplate/README.md index 9819880d4f4..f5aa7b35e86 100644 --- a/libraries/ESP32/examples/Template/ExampleTemplate/README.md +++ b/libraries/ESP32/examples/Template/ExampleTemplate/README.md @@ -119,4 +119,5 @@ Before creating a new issue, be sure to try Troubleshooting and check if the sam * ESP32 Datasheet: [Link to datasheet](https://www.espressif.com/sites/default/files/documentation/esp32_datasheet_en.pdf) * ESP32-S2 Datasheet: [Link to datasheet](https://www.espressif.com/sites/default/files/documentation/esp32-s2_datasheet_en.pdf) * ESP32-C3 Datasheet: [Link to datasheet](https://www.espressif.com/sites/default/files/documentation/esp32-c3_datasheet_en.pdf) +* ESP32-S3 Datasheet: [Link to datasheet](https://www.espressif.com/sites/default/files/documentation/esp32-s3_datasheet_en.pdf) * Official ESP-IDF documentation: [ESP-IDF](https://idf.espressif.com)