@@ -2327,6 +2327,12 @@ have_afalg = get_option('crypto_afalg') \
'''), error_message: 'AF_ALG requested but could not be detected').allowed()
config_host_data.set('CONFIG_AF_ALG', have_afalg)
+if targetos != 'windows'
+ config_host_data.set('CONFIG_AF_UNIX', true)
+else
+ config_host_data.set('CONFIG_AF_UNIX', cc.has_header('afunix.h'))
+endif
+
config_host_data.set('CONFIG_AF_VSOCK', cc.has_header_symbol(
'linux/vm_sockets.h', 'AF_VSOCK',
prefix: '#include <sys/socket.h>',
@@ -30,6 +30,10 @@
#include <windows.h>
#include <ws2tcpip.h>
+#ifdef CONFIG_AF_UNIX
+# include <afunix.h>
+#endif
+
#ifdef __cplusplus
extern "C" {
#endif
@@ -880,7 +880,7 @@ static int vsock_parse(VsockSocketAddress *addr, const char *str,
}
#endif /* CONFIG_AF_VSOCK */
-#ifndef _WIN32
+#ifdef CONFIG_AF_UNIX
static bool saddr_is_abstract(UnixSocketAddress *saddr)
{
@@ -900,6 +900,23 @@ static bool saddr_is_tight(UnixSocketAddress *saddr)
#endif
}
+#ifdef CONFIG_WIN32
+/*
+ * AF_UNIX support is available since Windows 10 build 17063
+ * See https://devblogs.microsoft.com/commandline/af_unix-comes-to-windows/
+ */
+#define WIN_BUILD_AF_UNIX 17063
+
+static bool afunix_available(void)
+{
+ OSVERSIONINFOEXW os_version = { 0 };
+
+ os_get_win_version(&os_version);
+
+ return os_version.dwBuildNumber >= WIN_BUILD_AF_UNIX;
+}
+#endif
+
static int unix_listen_saddr(UnixSocketAddress *saddr,
int num,
Error **errp)
@@ -912,6 +929,13 @@ static int unix_listen_saddr(UnixSocketAddress *saddr,
size_t pathlen;
size_t addrlen;
+#ifdef CONFIG_WIN32
+ if (!afunix_available()) {
+ error_setg(errp, "AF_UNIX is not available on your Windows");
+ return -1;
+ }
+#endif
+
sock = qemu_socket(PF_UNIX, SOCK_STREAM, 0);
if (sock < 0) {
error_setg_errno(errp, errno, "Failed to create Unix socket");
@@ -1004,6 +1028,13 @@ static int unix_connect_saddr(UnixSocketAddress *saddr, Error **errp)
return -1;
}
+#ifdef CONFIG_WIN32
+ if (!afunix_available()) {
+ error_setg(errp, "AF_UNIX is not available on your Windows");
+ return -1;
+ }
+#endif
+
sock = qemu_socket(PF_UNIX, SOCK_STREAM, 0);
if (sock < 0) {
error_setg_errno(errp, errno, "Failed to create socket");
@@ -1060,14 +1091,14 @@ static int unix_listen_saddr(UnixSocketAddress *saddr,
int num,
Error **errp)
{
- error_setg(errp, "unix sockets are not available on windows");
+ error_setg(errp, "unix sockets are not available on your host");
errno = ENOTSUP;
return -1;
}
static int unix_connect_saddr(UnixSocketAddress *saddr, Error **errp)
{
- error_setg(errp, "unix sockets are not available on windows");
+ error_setg(errp, "unix sockets are not available on your host");
errno = ENOTSUP;
return -1;
}
@@ -1335,7 +1366,7 @@ socket_sockaddr_to_address_inet(struct sockaddr_storage *sa,
}
-#ifndef WIN32
+#ifdef CONFIG_AF_UNIX
static SocketAddress *
socket_sockaddr_to_address_unix(struct sockaddr_storage *sa,
socklen_t salen,
@@ -1362,7 +1393,7 @@ socket_sockaddr_to_address_unix(struct sockaddr_storage *sa,
addr->u.q_unix.path = g_strndup(su->sun_path, salen);
return addr;
}
-#endif /* WIN32 */
+#endif /* CONFIG_AF_UNIX */
#ifdef CONFIG_AF_VSOCK
static SocketAddress *
@@ -1394,10 +1425,10 @@ socket_sockaddr_to_address(struct sockaddr_storage *sa,
case AF_INET6:
return socket_sockaddr_to_address_inet(sa, salen, errp);
-#ifndef WIN32
+#ifdef CONFIG_AF_UNIX
case AF_UNIX:
return socket_sockaddr_to_address_unix(sa, salen, errp);
-#endif /* WIN32 */
+#endif
#ifdef CONFIG_AF_VSOCK
case AF_VSOCK: