Import Upstream version 1.1~pre3

src/sptps_test.c

@@ -0,0 +1,194 @@
+/*
+    sptps_test.c -- Simple Peer-to-Peer Security test program
+    Copyright (C) 2011-2012 Guus Sliepen <guus@tinc-vpn.org>,
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program 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 General Public License for more details.
+
+    You should have received a copy of the GNU General Public License along
+    with this program; if not, write to the Free Software Foundation, Inc.,
+    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#include "system.h"
+
+#include "crypto.h"
+#include "ecdsa.h"
+#include "sptps.h"
+#include "utils.h"
+
+// Symbols necessary to link with logger.o
+bool send_request(void *c, const char *msg, ...) { return false; }
+struct list_t *connection_list = NULL;
+bool send_meta(void *c, const char *msg , int len) { return false; }
+char *logfilename = NULL;
+
+ecdsa_t mykey, hiskey;
+
+static bool send_data(void *handle, uint8_t type, const char *data, size_t len) {
+	char hex[len * 2 + 1];
+	bin2hex(data, hex, len);
+	fprintf(stderr, "Sending %d bytes of data:\n%s\n", (int)len, hex);
+	const int *sock = handle;
+	if(send(*sock, data, len, 0) != len)
+		return false;
+	return true;
+}
+
+static bool receive_record(void *handle, uint8_t type, const char *data, uint16_t len) {
+	fprintf(stderr, "Received type %d record of %hu bytes:\n", type, len);
+	fwrite(data, len, 1, stdout);
+	return true;
+}
+
+int main(int argc, char *argv[]) {
+	bool initiator = false;
+	bool datagram = false;
+
+	if(argc > 1 && !strcmp(argv[1], "-d")) {
+		datagram = true;
+		argc--;
+		argv++;
+	}
+
+	if(argc < 4) {
+		fprintf(stderr, "Usage: %s [-d] my_ecdsa_key_file his_ecdsa_key_file [host] port\n", argv[0]);
+		return 1;
+	}
+
+	if(argc > 4)
+		initiator = true;
+
+#ifdef HAVE_MINGW
+	static struct WSAData wsa_state;
+	if(WSAStartup(MAKEWORD(2, 2), &wsa_state))
+		return 1;
+#endif
+
+	struct addrinfo *ai, hint;
+	memset(&hint, 0, sizeof hint);
+
+	hint.ai_family = AF_UNSPEC;
+	hint.ai_socktype = SOCK_STREAM;
+	hint.ai_protocol = IPPROTO_TCP;
+	hint.ai_flags = initiator ? 0 : AI_PASSIVE;
+
+	if(getaddrinfo(initiator ? argv[3] : NULL, initiator ? argv[4] : argv[3], &hint, &ai) || !ai) {
+		fprintf(stderr, "getaddrinfo() failed: %s\n", strerror(errno));
+		return 1;
+	}
+
+	int sock = socket(ai->ai_family, SOCK_STREAM, IPPROTO_TCP);
+	if(sock < 0) {
+		fprintf(stderr, "Could not create socket: %s\n", strerror(errno));
+		return 1;
+	}
+
+	int one = 1;
+	setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, (void *)&one, sizeof one);
+
+	if(initiator) {
+		if(connect(sock, ai->ai_addr, ai->ai_addrlen)) {
+			fprintf(stderr, "Could not connect to peer: %s\n", strerror(errno));
+			return 1;
+		}
+		fprintf(stderr, "Connected\n");
+	} else {
+		if(bind(sock, ai->ai_addr, ai->ai_addrlen)) {
+			fprintf(stderr, "Could not bind socket: %s\n", strerror(errno));
+			return 1;
+		}
+		if(listen(sock, 1)) {
+			fprintf(stderr, "Could not listen on socket: %s\n", strerror(errno));
+			return 1;
+		}
+		fprintf(stderr, "Listening...\n");
+
+		sock = accept(sock, NULL, NULL);
+		if(sock < 0) {
+			fprintf(stderr, "Could not accept connection: %s\n", strerror(errno));
+			return 1;
+		}
+
+		fprintf(stderr, "Connected\n");
+	}
+
+	crypto_init();
+
+	FILE *fp = fopen(argv[1], "r");
+	if(!ecdsa_read_pem_private_key(&mykey, fp))
+		return 1;
+	fclose(fp);
+
+	fp = fopen(argv[2], "r");
+	if(!ecdsa_read_pem_public_key(&hiskey, fp))
+		return 1;
+	fclose(fp);
+
+	fprintf(stderr, "Keys loaded\n");
+
+	sptps_t s;
+	if(!sptps_start(&s, &sock, initiator, datagram, mykey, hiskey, "sptps_test", 10, send_data, receive_record))
+		return 1;
+
+	while(true) {
+		char buf[65535] = "";
+
+		fd_set fds;
+		FD_ZERO(&fds);
+#ifndef HAVE_MINGW
+		FD_SET(0, &fds);
+#endif
+		FD_SET(sock, &fds);
+		if(select(sock + 1, &fds, NULL, NULL, NULL) <= 0)
+			return 1;
+
+		if(FD_ISSET(0, &fds)) {
+			ssize_t len = read(0, buf, sizeof buf);
+			if(len < 0) {
+				fprintf(stderr, "Could not read from stdin: %s\n", strerror(errno));
+				return 1;
+			}
+			if(len == 0)
+				break;
+			if(buf[0] == '^')
+				sptps_send_record(&s, SPTPS_HANDSHAKE, NULL, 0);
+			else if(buf[0] == '$') {
+				sptps_force_kex(&s);
+				if(len > 1)
+					sptps_send_record(&s, 0, buf, len);
+			} else
+			if(!sptps_send_record(&s, buf[0] == '!' ? 1 : 0, buf, buf[0] == '\n' ? 0 : buf[0] == '*' ? sizeof buf : len))
+				return 1;
+		}
+
+		if(FD_ISSET(sock, &fds)) {
+			ssize_t len = recv(sock, buf, sizeof buf, 0);
+			if(len < 0) {
+				fprintf(stderr, "Could not read from socket: %s\n", strerror(errno));
+				return 1;
+			}
+			if(len == 0) {
+				fprintf(stderr, "Connection terminated by peer.\n");
+				break;
+			}
+			char hex[len * 2 + 1];
+			bin2hex(buf, hex, len);
+			fprintf(stderr, "Received %d bytes of data:\n%s\n", (int)len, hex);
+			if(!sptps_receive_data(&s, buf, len))
+				return 1;
+		}
+	}
+
+	if(!sptps_stop(&s))
+		return 1;
+
+	return 0;
+}