2 sptps_test.c -- Simple Peer-to-Peer Security test program
3 Copyright (C) 2011 Guus Sliepen <guus@tinc-vpn.org>,
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License along
16 with this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
27 // Symbols necessary to link with logger.o
28 bool send_request(void *c, const char *msg, ...) { return false; }
29 struct splay_tree_t *connection_tree = NULL;
30 bool send_meta(void *c, const char *msg , int len) { return false; }
32 ecdsa_t mykey, hiskey;
34 static bool send_data(void *handle, uint8_t type, const char *data, size_t len) {
35 char hex[len * 2 + 1];
36 bin2hex(data, hex, len);
37 fprintf(stderr, "Sending %d bytes of data:\n%s\n", (int)len, hex);
38 const int *sock = handle;
39 if(send(*sock, data, len, 0) != len)
44 static bool receive_record(void *handle, uint8_t type, const char *data, uint16_t len) {
45 fprintf(stderr, "Received type %d record of %hu bytes:\n", type, len);
46 fwrite(data, len, 1, stdout);
50 int main(int argc, char *argv[]) {
51 bool initiator = false;
52 bool datagram = false;
54 if(argc > 1 && !strcmp(argv[1], "-d")) {
61 fprintf(stderr, "Usage: %s [-d] my_ecdsa_key_file his_ecdsa_key_file [host] port\n", argv[0]);
69 static struct WSAData wsa_state;
70 if(WSAStartup(MAKEWORD(2, 2), &wsa_state))
74 struct addrinfo *ai, hint;
75 memset(&hint, 0, sizeof hint);
77 hint.ai_family = AF_UNSPEC;
78 hint.ai_socktype = SOCK_STREAM;
79 hint.ai_protocol = IPPROTO_TCP;
80 hint.ai_flags = initiator ? 0 : AI_PASSIVE;
82 if(getaddrinfo(initiator ? argv[3] : NULL, initiator ? argv[4] : argv[3], &hint, &ai) || !ai) {
83 fprintf(stderr, "getaddrinfo() failed: %s\n", strerror(errno));
87 int sock = socket(ai->ai_family, SOCK_STREAM, IPPROTO_TCP);
89 fprintf(stderr, "Could not create socket: %s\n", strerror(errno));
94 setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, (void *)&one, sizeof one);
97 if(connect(sock, ai->ai_addr, ai->ai_addrlen)) {
98 fprintf(stderr, "Could not connect to peer: %s\n", strerror(errno));
101 fprintf(stderr, "Connected\n");
103 if(bind(sock, ai->ai_addr, ai->ai_addrlen)) {
104 fprintf(stderr, "Could not bind socket: %s\n", strerror(errno));
107 if(listen(sock, 1)) {
108 fprintf(stderr, "Could not listen on socket: %s\n", strerror(errno));
111 fprintf(stderr, "Listening...\n");
113 sock = accept(sock, NULL, NULL);
115 fprintf(stderr, "Could not accept connection: %s\n", strerror(errno));
119 fprintf(stderr, "Connected\n");
124 FILE *fp = fopen(argv[1], "r");
125 if(!ecdsa_read_pem_private_key(&mykey, fp))
129 fp = fopen(argv[2], "r");
130 if(!ecdsa_read_pem_public_key(&hiskey, fp))
134 fprintf(stderr, "Keys loaded\n");
137 if(!sptps_start(&s, &sock, initiator, datagram, mykey, hiskey, "sptps_test", 10, send_data, receive_record))
141 char buf[65535] = "";
149 if(select(sock + 1, &fds, NULL, NULL, NULL) <= 0)
152 if(FD_ISSET(0, &fds)) {
153 ssize_t len = read(0, buf, sizeof buf);
155 fprintf(stderr, "Could not read from stdin: %s\n", strerror(errno));
161 sptps_send_record(&s, SPTPS_HANDSHAKE, NULL, 0);
162 else if(buf[0] == '$') {
165 sptps_send_record(&s, 0, buf, len);
167 if(!sptps_send_record(&s, buf[0] == '!' ? 1 : 0, buf, buf[0] == '\n' ? 0 : buf[0] == '*' ? sizeof buf : len))
171 if(FD_ISSET(sock, &fds)) {
172 ssize_t len = recv(sock, buf, sizeof buf, 0);
174 fprintf(stderr, "Could not read from socket: %s\n", strerror(errno));
178 fprintf(stderr, "Connection terminated by peer.\n");
181 char hex[len * 2 + 1];
182 bin2hex(buf, hex, len);
183 fprintf(stderr, "Received %d bytes of data:\n%s\n", (int)len, hex);
184 if(!sptps_receive_data(&s, buf, len))