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This commit is contained in:
J. Nick Koston
2026-01-04 11:45:27 -10:00
parent 96b59af983
commit 591b5fa25b
1 changed files with 41 additions and 30 deletions
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71
esphome/components/socket/socket.cpp
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@@ -10,50 +10,61 @@ namespace esphome::socket {
Socket::~Socket() {}
// Platform-specific inet_ntop wrappers
#ifdef USE_SOCKET_IMPL_LWIP_TCP
// LWIP raw TCP (ESP8266) uses inet_ntoa_r which takes struct by value
static inline const char *esphome_inet_ntop4(const void *addr, char *buf, size_t size) {
inet_ntoa_r(*reinterpret_cast<const struct in_addr *>(addr), buf, size);
return buf;
}
#if USE_NETWORK_IPV6
static inline const char *esphome_inet_ntop6(const void *addr, char *buf, size_t size) {
inet6_ntoa_r(*reinterpret_cast<const ip6_addr_t *>(addr), buf, size);
return buf;
}
#endif
#elif defined(USE_SOCKET_IMPL_LWIP_SOCKETS)
// LWIP sockets (LibreTiny, ESP32 Arduino)
static inline const char *esphome_inet_ntop4(const void *addr, char *buf, size_t size) {
return lwip_inet_ntop(AF_INET, addr, buf, size);
}
#if USE_NETWORK_IPV6
static inline const char *esphome_inet_ntop6(const void *addr, char *buf, size_t size) {
return lwip_inet_ntop(AF_INET6, addr, buf, size);
}
#endif
#else
// BSD sockets (host, ESP32-IDF)
static inline const char *esphome_inet_ntop4(const void *addr, char *buf, size_t size) {
return inet_ntop(AF_INET, addr, buf, size);
}
#if USE_NETWORK_IPV6
static inline const char *esphome_inet_ntop6(const void *addr, char *buf, size_t size) {
return inet_ntop(AF_INET6, addr, buf, size);
}
#endif
#endif
// Format sockaddr into caller-provided buffer, returns length written (excluding null)
static size_t format_sockaddr_to(const struct sockaddr_storage &storage, std::span<char, SOCKADDR_STR_LEN> buf) {
if (storage.ss_family == AF_INET) {
const auto *addr = reinterpret_cast<const struct sockaddr_in *>(&storage);
#ifdef USE_SOCKET_IMPL_LWIP_TCP
// LWIP raw TCP (ESP8266) uses inet_ntoa_r
inet_ntoa_r(addr->sin_addr, buf.data(), buf.size());
return strlen(buf.data());
#elif defined(USE_SOCKET_IMPL_LWIP_SOCKETS)
// LWIP sockets (LibreTiny, ESP32 Arduino) uses lwip_inet_ntop
if (lwip_inet_ntop(AF_INET, &addr->sin_addr, buf.data(), buf.size()) != nullptr)
if (esphome_inet_ntop4(&addr->sin_addr, buf.data(), buf.size()) != nullptr)
return strlen(buf.data());
#else
// BSD sockets (host, ESP32-IDF)
if (inet_ntop(AF_INET, &addr->sin_addr, buf.data(), buf.size()) != nullptr)
return strlen(buf.data());
#endif
}
#if USE_NETWORK_IPV6
else if (storage.ss_family == AF_INET6) {
const auto *addr = reinterpret_cast<const struct sockaddr_in6 *>(&storage);
#ifdef USE_SOCKET_IMPL_LWIP_TCP
// LWIP raw TCP (ESP8266) uses inet6_ntoa_r
inet6_ntoa_r(addr->sin6_addr, buf.data(), buf.size());
return strlen(buf.data());
#elif defined(USE_SOCKET_IMPL_LWIP_SOCKETS)
// LWIP sockets - format IPv4-mapped IPv6 as IPv4
#ifndef USE_SOCKET_IMPL_LWIP_TCP
// Format IPv4-mapped IPv6 addresses as regular IPv4 (not supported on ESP8266 raw TCP)
if (addr->sin6_addr.un.u32_addr[0] == 0 && addr->sin6_addr.un.u32_addr[1] == 0 &&
addr->sin6_addr.un.u32_addr[2] == htonl(0xFFFF) &&
lwip_inet_ntop(AF_INET, &addr->sin6_addr.un.u32_addr[3], buf.data(), buf.size()) != nullptr) {
esphome_inet_ntop4(&addr->sin6_addr.un.u32_addr[3], buf.data(), buf.size()) != nullptr) {
return strlen(buf.data());
}
if (lwip_inet_ntop(AF_INET6, &addr->sin6_addr, buf.data(), buf.size()) != nullptr)
return strlen(buf.data());
#else
// BSD sockets - format IPv4-mapped IPv6 as IPv4
if (addr->sin6_addr.un.u32_addr[0] == 0 && addr->sin6_addr.un.u32_addr[1] == 0 &&
addr->sin6_addr.un.u32_addr[2] == htonl(0xFFFF) &&
inet_ntop(AF_INET, &addr->sin6_addr.un.u32_addr[3], buf.data(), buf.size()) != nullptr) {
return strlen(buf.data());
}
if (inet_ntop(AF_INET6, &addr->sin6_addr, buf.data(), buf.size()) != nullptr)
return strlen(buf.data());
#endif
if (esphome_inet_ntop6(&addr->sin6_addr, buf.data(), buf.size()) != nullptr)
return strlen(buf.data());
}
#endif
buf[0] = '\0';