Imported Upstream version 3.22upstream/3.22

1 files changed, 58 insertions, 0 deletions

diff --git a/src/tc-netio.c b/src/tc-netio.c
new file mode 100644
index 0000000..45a6efc
--- /dev/null
+++ b/src/tc-netio.c
@@ -0,0 +1,58 @@
+/*
+ *	Copyright Jan Engelhardt
+ *
+ *	This program is free software; you can redistribute it and/or
+ *	modify it under the terms of the WTF Public License version 2 or
+ *	(at your option) any later version.
+ */
+#define WIN32_LEAN_AND_MEAN 1
+#ifdef __cplusplus
+#	include <cstdlib>
+#	include <cstdio>
+#	include <cstring>
+#else
+#	include <stdlib.h>
+#	include <stdio.h>
+#	include <string.h>
+#endif
+#include <unistd.h>
+#ifdef _WIN32
+#	include <winsock2.h>
+#	include <ws2tcpip.h>
+#else
+#	include <sys/socket.h>
+#	include <netdb.h>
+#endif
+#include <libHX/init.h>
+#include <libHX/io.h>
+
+int main(void)
+{
+	const char id[] = "SSH-2.0-OpenSSH_9.9";
+	struct addrinfo *res;
+	int fd, ret;
+
+	if ((ret = HX_init()) <= 0) {
+		fprintf(stderr, "HX_init: %s\n", strerror(-ret));
+		abort();
+	}
+
+	fd = socket(AF_INET6, SOCK_STREAM, 0);
+	if (fd < 0) {
+		perror("socket");
+		abort();
+	}
+	if (getaddrinfo("::1", "22", NULL, &res) < 0) {
+		perror("getaddrinfo");
+		abort();
+	}
+	if (connect(fd, res->ai_addr, res->ai_addrlen) < 0) {
+		perror("connect");
+		abort();
+	}
+	if (HXio_fullwrite(fd, id, strlen(id)) < 0)
+		perror("write");
+	close(fd);
+	HX_exit();
+	return EXIT_SUCCESS;
+}