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path: root/drivers/unix/net_socket_posix.cpp
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Diffstat (limited to 'drivers/unix/net_socket_posix.cpp')
-rw-r--r--drivers/unix/net_socket_posix.cpp169
1 files changed, 100 insertions, 69 deletions
diff --git a/drivers/unix/net_socket_posix.cpp b/drivers/unix/net_socket_posix.cpp
index 186804dbb1..c6b327eeee 100644
--- a/drivers/unix/net_socket_posix.cpp
+++ b/drivers/unix/net_socket_posix.cpp
@@ -5,8 +5,8 @@
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
-/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
-/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */
+/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
+/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
@@ -30,32 +30,30 @@
#include "net_socket_posix.h"
+// Some proprietary Unix-derived platforms don't expose Unix sockets
+// so this allows skipping this file to reimplement this API differently.
#ifndef UNIX_SOCKET_UNAVAILABLE
+
#if defined(UNIX_ENABLED)
#include <errno.h>
+#include <fcntl.h>
#include <netdb.h>
+#include <netinet/in.h>
+#include <netinet/tcp.h>
#include <poll.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/ioctl.h>
+#include <sys/socket.h>
#include <sys/types.h>
#include <unistd.h>
-#ifndef NO_FCNTL
-#include <fcntl.h>
-#else
-#include <sys/ioctl.h>
-#endif
-#include <netinet/in.h>
-#include <sys/socket.h>
-#ifdef JAVASCRIPT_ENABLED
+#ifdef WEB_ENABLED
#include <arpa/inet.h>
#endif
-#include <netinet/tcp.h>
-
// BSD calls this flag IPV6_JOIN_GROUP
#if !defined(IPV6_ADD_MEMBERSHIP) && defined(IPV6_JOIN_GROUP)
#define IPV6_ADD_MEMBERSHIP IPV6_JOIN_GROUP
@@ -93,9 +91,9 @@
#define SIO_UDP_NETRESET _WSAIOW(IOC_VENDOR, 15)
#endif
-#endif
+#endif // UNIX_ENABLED
-size_t NetSocketPosix::_set_addr_storage(struct sockaddr_storage *p_addr, const IP_Address &p_ip, uint16_t p_port, IP::Type p_ip_type) {
+size_t NetSocketPosix::_set_addr_storage(struct sockaddr_storage *p_addr, const IPAddress &p_ip, uint16_t p_port, IP::Type p_ip_type) {
memset(p_addr, 0, sizeof(struct sockaddr_storage));
if (p_ip_type == IP::TYPE_IPV6 || p_ip_type == IP::TYPE_ANY) { // IPv6 socket
@@ -106,7 +104,7 @@ size_t NetSocketPosix::_set_addr_storage(struct sockaddr_storage *p_addr, const
addr6->sin6_family = AF_INET6;
addr6->sin6_port = htons(p_port);
if (p_ip.is_valid()) {
- copymem(&addr6->sin6_addr.s6_addr, p_ip.get_ipv6(), 16);
+ memcpy(&addr6->sin6_addr.s6_addr, p_ip.get_ipv6(), 16);
} else {
addr6->sin6_addr = in6addr_any;
}
@@ -121,7 +119,7 @@ size_t NetSocketPosix::_set_addr_storage(struct sockaddr_storage *p_addr, const
addr4->sin_port = htons(p_port); // short, network byte order
if (p_ip.is_valid()) {
- copymem(&addr4->sin_addr.s_addr, p_ip.get_ipv4(), 4);
+ memcpy(&addr4->sin_addr.s_addr, p_ip.get_ipv4(), 4);
} else {
addr4->sin_addr.s_addr = INADDR_ANY;
}
@@ -130,19 +128,24 @@ size_t NetSocketPosix::_set_addr_storage(struct sockaddr_storage *p_addr, const
}
}
-void NetSocketPosix::_set_ip_port(struct sockaddr_storage *p_addr, IP_Address &r_ip, uint16_t &r_port) {
+void NetSocketPosix::_set_ip_port(struct sockaddr_storage *p_addr, IPAddress *r_ip, uint16_t *r_port) {
if (p_addr->ss_family == AF_INET) {
struct sockaddr_in *addr4 = (struct sockaddr_in *)p_addr;
- r_ip.set_ipv4((uint8_t *)&(addr4->sin_addr.s_addr));
-
- r_port = ntohs(addr4->sin_port);
-
+ if (r_ip) {
+ r_ip->set_ipv4((uint8_t *)&(addr4->sin_addr.s_addr));
+ }
+ if (r_port) {
+ *r_port = ntohs(addr4->sin_port);
+ }
} else if (p_addr->ss_family == AF_INET6) {
struct sockaddr_in6 *addr6 = (struct sockaddr_in6 *)p_addr;
- r_ip.set_ipv6(addr6->sin6_addr.s6_addr);
-
- r_port = ntohs(addr6->sin6_port);
- };
+ if (r_ip) {
+ r_ip->set_ipv6(addr6->sin6_addr.s6_addr);
+ }
+ if (r_port) {
+ *r_port = ntohs(addr6->sin6_port);
+ }
+ }
}
NetSocket *NetSocketPosix::_create_func() {
@@ -176,8 +179,8 @@ NetSocketPosix::~NetSocketPosix() {
close();
}
-// Silent a warning reported in #27594
-
+// Silence a warning reported in GH-27594.
+// EAGAIN and EWOULDBLOCK have the same value on most platforms, but it's not guaranteed.
#if defined(__GNUC__) && !defined(__clang__)
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wlogical-op"
@@ -186,13 +189,21 @@ NetSocketPosix::~NetSocketPosix() {
NetSocketPosix::NetError NetSocketPosix::_get_socket_error() const {
#if defined(WINDOWS_ENABLED)
int err = WSAGetLastError();
-
- if (err == WSAEISCONN)
+ if (err == WSAEISCONN) {
return ERR_NET_IS_CONNECTED;
- if (err == WSAEINPROGRESS || err == WSAEALREADY)
+ }
+ if (err == WSAEINPROGRESS || err == WSAEALREADY) {
return ERR_NET_IN_PROGRESS;
- if (err == WSAEWOULDBLOCK)
+ }
+ if (err == WSAEWOULDBLOCK) {
return ERR_NET_WOULD_BLOCK;
+ }
+ if (err == WSAEADDRINUSE || err == WSAEADDRNOTAVAIL) {
+ return ERR_NET_ADDRESS_INVALID_OR_UNAVAILABLE;
+ }
+ if (err == WSAEACCES) {
+ return ERR_NET_UNAUTHORIZED;
+ }
print_verbose("Socket error: " + itos(err));
return ERR_NET_OTHER;
#else
@@ -205,6 +216,12 @@ NetSocketPosix::NetError NetSocketPosix::_get_socket_error() const {
if (errno == EAGAIN || errno == EWOULDBLOCK) {
return ERR_NET_WOULD_BLOCK;
}
+ if (errno == EADDRINUSE || errno == EINVAL || errno == EADDRNOTAVAIL) {
+ return ERR_NET_ADDRESS_INVALID_OR_UNAVAILABLE;
+ }
+ if (errno == EACCES) {
+ return ERR_NET_UNAUTHORIZED;
+ }
print_verbose("Socket error: " + itos(errno));
return ERR_NET_OTHER;
#endif
@@ -214,7 +231,7 @@ NetSocketPosix::NetError NetSocketPosix::_get_socket_error() const {
#pragma GCC diagnostic pop
#endif
-bool NetSocketPosix::_can_use_ip(const IP_Address &p_ip, const bool p_for_bind) const {
+bool NetSocketPosix::_can_use_ip(const IPAddress &p_ip, const bool p_for_bind) const {
if (p_for_bind && !(p_ip.is_valid() || p_ip.is_wildcard())) {
return false;
} else if (!p_for_bind && !p_ip.is_valid()) {
@@ -225,7 +242,7 @@ bool NetSocketPosix::_can_use_ip(const IP_Address &p_ip, const bool p_for_bind)
return !(_ip_type != IP::TYPE_ANY && !p_ip.is_wildcard() && _ip_type != type);
}
-_FORCE_INLINE_ Error NetSocketPosix::_change_multicast_group(IP_Address p_ip, String p_if_name, bool p_add) {
+_FORCE_INLINE_ Error NetSocketPosix::_change_multicast_group(IPAddress p_ip, String p_if_name, bool p_add) {
ERR_FAIL_COND_V(!is_open(), ERR_UNCONFIGURED);
ERR_FAIL_COND_V(!_can_use_ip(p_ip, false), ERR_INVALID_PARAMETER);
@@ -235,12 +252,12 @@ _FORCE_INLINE_ Error NetSocketPosix::_change_multicast_group(IP_Address p_ip, St
int level = type == IP::TYPE_IPV4 ? IPPROTO_IP : IPPROTO_IPV6;
int ret = -1;
- IP_Address if_ip;
+ IPAddress if_ip;
uint32_t if_v6id = 0;
- Map<String, IP::Interface_Info> if_info;
+ HashMap<String, IP::Interface_Info> if_info;
IP::get_singleton()->get_local_interfaces(&if_info);
- for (Map<String, IP::Interface_Info>::Element *E = if_info.front(); E; E = E->next()) {
- IP::Interface_Info &c = E->get();
+ for (KeyValue<String, IP::Interface_Info> &E : if_info) {
+ IP::Interface_Info &c = E.value;
if (c.name != p_if_name) {
continue;
}
@@ -250,11 +267,11 @@ _FORCE_INLINE_ Error NetSocketPosix::_change_multicast_group(IP_Address p_ip, St
break; // IPv6 uses index.
}
- for (List<IP_Address>::Element *F = c.ip_addresses.front(); F; F = F->next()) {
- if (!F->get().is_ipv4()) {
+ for (const IPAddress &F : c.ip_addresses) {
+ if (!F.is_ipv4()) {
continue; // Wrong IP type
}
- if_ip = F->get();
+ if_ip = F;
break;
}
break;
@@ -264,13 +281,13 @@ _FORCE_INLINE_ Error NetSocketPosix::_change_multicast_group(IP_Address p_ip, St
ERR_FAIL_COND_V(!if_ip.is_valid(), ERR_INVALID_PARAMETER);
struct ip_mreq greq;
int sock_opt = p_add ? IP_ADD_MEMBERSHIP : IP_DROP_MEMBERSHIP;
- copymem(&greq.imr_multiaddr, p_ip.get_ipv4(), 4);
- copymem(&greq.imr_interface, if_ip.get_ipv4(), 4);
+ memcpy(&greq.imr_multiaddr, p_ip.get_ipv4(), 4);
+ memcpy(&greq.imr_interface, if_ip.get_ipv4(), 4);
ret = setsockopt(_sock, level, sock_opt, (const char *)&greq, sizeof(greq));
} else {
struct ipv6_mreq greq;
int sock_opt = p_add ? IPV6_ADD_MEMBERSHIP : IPV6_DROP_MEMBERSHIP;
- copymem(&greq.ipv6mr_multiaddr, p_ip.get_ipv6(), 16);
+ memcpy(&greq.ipv6mr_multiaddr, p_ip.get_ipv6(), 16);
greq.ipv6mr_interface = if_v6id;
ret = setsockopt(_sock, level, sock_opt, (const char *)&greq, sizeof(greq));
}
@@ -290,14 +307,9 @@ void NetSocketPosix::_set_socket(SOCKET_TYPE p_sock, IP::Type p_ip_type, bool p_
void NetSocketPosix::_set_close_exec_enabled(bool p_enabled) {
#ifndef WINDOWS_ENABLED
// Enable close on exec to avoid sharing with subprocesses. Off by default on Windows.
-#if defined(NO_FCNTL)
- unsigned long par = p_enabled ? 1 : 0;
- SOCK_IOCTL(_sock, FIOCLEX, &par);
-#else
int opts = fcntl(_sock, F_GETFD);
fcntl(_sock, F_SETFD, opts | FD_CLOEXEC);
#endif
-#endif
}
Error NetSocketPosix::open(Type p_sock_type, IP::Type &ip_type) {
@@ -306,8 +318,9 @@ Error NetSocketPosix::open(Type p_sock_type, IP::Type &ip_type) {
#if defined(__OpenBSD__)
// OpenBSD does not support dual stacking, fallback to IPv4 only.
- if (ip_type == IP::TYPE_ANY)
+ if (ip_type == IP::TYPE_ANY) {
ip_type = IP::TYPE_IPV4;
+ }
#endif
int family = ip_type == IP::TYPE_IPV4 ? AF_INET : AF_INET6;
@@ -348,11 +361,11 @@ Error NetSocketPosix::open(Type p_sock_type, IP::Type &ip_type) {
// recv/recvfrom and an ICMP reply was received from a previous send/sendto.
unsigned long disable = 0;
if (ioctlsocket(_sock, SIO_UDP_CONNRESET, &disable) == SOCKET_ERROR) {
- print_verbose("Unable to turn off UDP WSAECONNRESET behaviour on Windows");
+ print_verbose("Unable to turn off UDP WSAECONNRESET behavior on Windows");
}
if (ioctlsocket(_sock, SIO_UDP_NETRESET, &disable) == SOCKET_ERROR) {
// This feature seems not to be supported on wine.
- print_verbose("Unable to turn off UDP WSAENETRESET behaviour on Windows");
+ print_verbose("Unable to turn off UDP WSAENETRESET behavior on Windows");
}
}
#endif
@@ -376,7 +389,7 @@ void NetSocketPosix::close() {
_is_stream = false;
}
-Error NetSocketPosix::bind(IP_Address p_addr, uint16_t p_port) {
+Error NetSocketPosix::bind(IPAddress p_addr, uint16_t p_port) {
ERR_FAIL_COND_V(!is_open(), ERR_UNCONFIGURED);
ERR_FAIL_COND_V(!_can_use_ip(p_addr, true), ERR_INVALID_PARAMETER);
@@ -384,8 +397,8 @@ Error NetSocketPosix::bind(IP_Address p_addr, uint16_t p_port) {
size_t addr_size = _set_addr_storage(&addr, p_addr, p_port, _ip_type);
if (::bind(_sock, (struct sockaddr *)&addr, addr_size) != 0) {
- _get_socket_error();
- print_verbose("Failed to bind socket.");
+ NetError err = _get_socket_error();
+ print_verbose("Failed to bind socket. Error: " + itos(err));
close();
return ERR_UNAVAILABLE;
}
@@ -401,12 +414,12 @@ Error NetSocketPosix::listen(int p_max_pending) {
print_verbose("Failed to listen from socket.");
close();
return FAILED;
- };
+ }
return OK;
}
-Error NetSocketPosix::connect_to_host(IP_Address p_host, uint16_t p_port) {
+Error NetSocketPosix::connect_to_host(IPAddress p_host, uint16_t p_port) {
ERR_FAIL_COND_V(!is_open(), ERR_UNCONFIGURED);
ERR_FAIL_COND_V(!_can_use_ip(p_host, false), ERR_INVALID_PARAMETER);
@@ -446,8 +459,8 @@ Error NetSocketPosix::poll(PollType p_type, int p_timeout) const {
FD_ZERO(&wr);
FD_ZERO(&ex);
FD_SET(_sock, &ex);
- struct timeval timeout = { p_timeout, 0 };
- // For blocking operation, pass nullptr timeout pointer to select.
+ struct timeval timeout = { p_timeout / 1000, (p_timeout % 1000) * 1000 };
+ // For blocking operation, pass nullptr timeout pointer to select.
struct timeval *tp = nullptr;
if (p_timeout >= 0) {
// If timeout is non-negative, we want to specify the timeout instead.
@@ -475,8 +488,9 @@ Error NetSocketPosix::poll(PollType p_type, int p_timeout) const {
return FAILED;
}
- if (ret == 0)
+ if (ret == 0) {
return ERR_BUSY;
+ }
if (FD_ISSET(_sock, &ex)) {
_get_socket_error();
@@ -484,10 +498,12 @@ Error NetSocketPosix::poll(PollType p_type, int p_timeout) const {
return FAILED;
}
- if (rdp && FD_ISSET(_sock, rdp))
+ if (rdp && FD_ISSET(_sock, rdp)) {
ready = true;
- if (wrp && FD_ISSET(_sock, wrp))
+ }
+ if (wrp && FD_ISSET(_sock, wrp)) {
ready = true;
+ }
return ready ? OK : ERR_BUSY;
#else
@@ -540,7 +556,7 @@ Error NetSocketPosix::recv(uint8_t *p_buffer, int p_len, int &r_read) {
return OK;
}
-Error NetSocketPosix::recvfrom(uint8_t *p_buffer, int p_len, int &r_read, IP_Address &r_ip, uint16_t &r_port, bool p_peek) {
+Error NetSocketPosix::recvfrom(uint8_t *p_buffer, int p_len, int &r_read, IPAddress &r_ip, uint16_t &r_port, bool p_peek) {
ERR_FAIL_COND_V(!is_open(), ERR_UNCONFIGURED);
struct sockaddr_storage from;
@@ -597,7 +613,7 @@ Error NetSocketPosix::send(const uint8_t *p_buffer, int p_len, int &r_sent) {
return OK;
}
-Error NetSocketPosix::sendto(const uint8_t *p_buffer, int p_len, int &r_sent, IP_Address p_ip, uint16_t p_port) {
+Error NetSocketPosix::sendto(const uint8_t *p_buffer, int p_len, int &r_sent, IPAddress p_ip, uint16_t p_port) {
ERR_FAIL_COND_V(!is_open(), ERR_UNCONFIGURED);
struct sockaddr_storage addr;
@@ -635,7 +651,7 @@ void NetSocketPosix::set_blocking_enabled(bool p_enabled) {
ERR_FAIL_COND(!is_open());
int ret = 0;
-#if defined(WINDOWS_ENABLED) || defined(NO_FCNTL)
+#if defined(WINDOWS_ENABLED)
unsigned long par = p_enabled ? 0 : 1;
ret = SOCK_IOCTL(_sock, FIONBIO, &par);
#else
@@ -716,7 +732,21 @@ int NetSocketPosix::get_available_bytes() const {
return len;
}
-Ref<NetSocket> NetSocketPosix::accept(IP_Address &r_ip, uint16_t &r_port) {
+Error NetSocketPosix::get_socket_address(IPAddress *r_ip, uint16_t *r_port) const {
+ ERR_FAIL_COND_V(!is_open(), FAILED);
+
+ struct sockaddr_storage saddr;
+ socklen_t len = sizeof(saddr);
+ if (getsockname(_sock, (struct sockaddr *)&saddr, &len) != 0) {
+ _get_socket_error();
+ print_verbose("Error when reading local socket address.");
+ return FAILED;
+ }
+ _set_ip_port(&saddr, r_ip, r_port);
+ return OK;
+}
+
+Ref<NetSocket> NetSocketPosix::accept(IPAddress &r_ip, uint16_t &r_port) {
Ref<NetSocket> out;
ERR_FAIL_COND_V(!is_open(), out);
@@ -729,7 +759,7 @@ Ref<NetSocket> NetSocketPosix::accept(IP_Address &r_ip, uint16_t &r_port) {
return out;
}
- _set_ip_port(&their_addr, r_ip, r_port);
+ _set_ip_port(&their_addr, &r_ip, &r_port);
NetSocketPosix *ns = memnew(NetSocketPosix);
ns->_set_socket(fd, _ip_type, _is_stream);
@@ -737,11 +767,12 @@ Ref<NetSocket> NetSocketPosix::accept(IP_Address &r_ip, uint16_t &r_port) {
return Ref<NetSocket>(ns);
}
-Error NetSocketPosix::join_multicast_group(const IP_Address &p_multi_address, String p_if_name) {
+Error NetSocketPosix::join_multicast_group(const IPAddress &p_multi_address, String p_if_name) {
return _change_multicast_group(p_multi_address, p_if_name, true);
}
-Error NetSocketPosix::leave_multicast_group(const IP_Address &p_multi_address, String p_if_name) {
+Error NetSocketPosix::leave_multicast_group(const IPAddress &p_multi_address, String p_if_name) {
return _change_multicast_group(p_multi_address, p_if_name, false);
}
-#endif
+
+#endif // UNIX_SOCKET_UNAVAILABLE
generated by cgit v1.2.3 (git 2.25.1) at 2025-05-11 20:52:00 +0000