/*
sptps_test.c -- Simple Peer-to-Peer Security test program
- Copyright (C) 2011-2012 Guus Sliepen <guus@tinc-vpn.org>,
+ Copyright (C) 2011-2013 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
#include "system.h"
+#include <getopt.h>
+
#include "crypto.h"
#include "ecdsa.h"
#include "sptps.h"
char *logfilename = NULL;
struct timeval now;
-ecdsa_t mykey, hiskey;
+static bool readonly;
+static bool writeonly;
static bool send_data(void *handle, uint8_t type, const char *data, size_t len) {
char hex[len * 2 + 1];
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);
+ if(!writeonly)
+ fwrite(data, len, 1, stdout);
return true;
}
+static struct option const long_options[] = {
+ {"datagram", no_argument, NULL, 'd'},
+ {"quit", no_argument, NULL, 'q'},
+ {"readonly", no_argument, NULL, 'r'},
+ {"writeonly", no_argument, NULL, 'w'},
+ {"packet-loss", required_argument, NULL, 'L'},
+ {"replay-window", required_argument, NULL, 'W'},
+ {"help", no_argument, NULL, 1},
+ {NULL, 0, NULL, 0}
+};
+
+const char *program_name;
+
+static void usage() {
+ fprintf(stderr, "Usage: %s [options] my_ecdsa_key_file his_ecdsa_key_file [host] port\n\n", program_name);
+ fprintf(stderr, "Valid options are:\n"
+ " -d, --datagram Enable datagram mode.\n"
+ " -q, --quit Quit when EOF occurs on stdin.\n"
+ " -r, --readonly Only send data from the socket to stdout.\n"
+ " -w, --writeonly Only send data from stdin to the socket.\n"
+ " -L, --packet-loss RATE Fake packet loss of RATE percent.\n"
+ " -R, --replay-window N Set replay window to N bytes.\n"
+ "\n");
+ fprintf(stderr, "Report bugs to tinc@tinc-vpn.org.\n");
+}
+
int main(int argc, char *argv[]) {
+ program_name = argv[0];
bool initiator = false;
bool datagram = false;
+ int packetloss = 0;
+ int r;
+ int option_index = 0;
+ ecdsa_t *mykey = NULL, *hiskey = NULL;
+ bool quit = false;
+
+ while((r = getopt_long(argc, argv, "dqrwL:W:", long_options, &option_index)) != EOF) {
+ switch (r) {
+ case 0: /* long option */
+ break;
+
+ case 'd': /* datagram mode */
+ datagram = true;
+ break;
+
+ case 'q': /* close connection on EOF from stdin */
+ quit = true;
+ break;
+
+ case 'r': /* read only */
+ readonly = true;
+ break;
+
+ case 'w': /* write only */
+ writeonly = true;
+ break;
+
+ case 'L': /* packet loss rate */
+ packetloss = atoi(optarg);
+ break;
- if(argc > 1 && !strcmp(argv[1], "-d")) {
- datagram = true;
- argc--;
- argv++;
+ case 'W': /* replay window size */
+ sptps_replaywin = atoi(optarg);
+ break;
+
+ case '?': /* wrong options */
+ usage();
+ return 1;
+
+ case 1: /* help */
+ usage();
+ return 0;
+
+ default:
+ break;
+ }
}
- if(argc < 4) {
- fprintf(stderr, "Usage: %s [-d] my_ecdsa_key_file his_ecdsa_key_file [host] port\n", argv[0]);
+ argc -= optind - 1;
+ argv += optind - 1;
+
+ if(argc < 4 || argc > 5) {
+ fprintf(stderr, "Wrong number of arguments.\n");
+ usage();
return 1;
}
if(argc > 4)
initiator = true;
+ srand(time(NULL));
+
#ifdef HAVE_MINGW
static struct WSAData wsa_state;
if(WSAStartup(MAKEWORD(2, 2), &wsa_state))
memset(&hint, 0, sizeof hint);
hint.ai_family = AF_UNSPEC;
- hint.ai_socktype = SOCK_STREAM;
- hint.ai_protocol = IPPROTO_TCP;
+ hint.ai_socktype = datagram ? SOCK_DGRAM : SOCK_STREAM;
+ hint.ai_protocol = datagram ? IPPROTO_UDP : IPPROTO_TCP;
hint.ai_flags = initiator ? 0 : AI_PASSIVE;
if(getaddrinfo(initiator ? argv[3] : NULL, initiator ? argv[4] : argv[3], &hint, &ai) || !ai) {
return 1;
}
- int sock = socket(ai->ai_family, SOCK_STREAM, IPPROTO_TCP);
+ int sock = socket(ai->ai_family, ai->ai_socktype, ai->ai_protocol);
if(sock < 0) {
fprintf(stderr, "Could not create socket: %s\n", strerror(errno));
return 1;
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;
+ if(!datagram) {
+ 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;
+ }
+ } else {
+ fprintf(stderr, "Listening...\n");
+
+ char buf[65536];
+ struct sockaddr addr;
+ socklen_t addrlen = sizeof addr;
+
+ if(recvfrom(sock, buf, sizeof buf, MSG_PEEK, &addr, &addrlen) <= 0) {
+ fprintf(stderr, "Could not read from socket: %s\n", strerror(errno));
+ return 1;
+ }
+
+ if(connect(sock, &addr, addrlen)) {
+ 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))
+ if(!(mykey = ecdsa_read_pem_private_key(fp)))
return 1;
fclose(fp);
fp = fopen(argv[2], "r");
- if(!ecdsa_read_pem_public_key(&hiskey, fp))
+ if(!(hiskey = ecdsa_read_pem_public_key(fp)))
return 1;
fclose(fp);
return 1;
while(true) {
+ if(writeonly && readonly)
+ break;
+
char buf[65535] = "";
fd_set fds;
FD_ZERO(&fds);
#ifndef HAVE_MINGW
- FD_SET(0, &fds);
+ if(!readonly && s.instate)
+ FD_SET(0, &fds);
#endif
FD_SET(sock, &fds);
if(select(sock + 1, &fds, NULL, NULL, NULL) <= 0)
if(FD_ISSET(0, &fds)) {
ssize_t len = read(0, buf, sizeof buf);
+ fprintf(stderr, "%zd\n", len);
if(len < 0) {
fprintf(stderr, "Could not read from stdin: %s\n", strerror(errno));
return 1;
}
- if(len == 0)
- break;
+ if(len == 0) {
+ if(quit)
+ break;
+ readonly = true;
+ continue;
+ }
+ if(buf[0] == '#')
+ s.outseqno = atoi(buf + 1);
if(buf[0] == '^')
sptps_send_record(&s, SPTPS_HANDSHAKE, NULL, 0);
else if(buf[0] == '$') {
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))
+ if((rand() % 100) < packetloss) {
+ fprintf(stderr, "Dropped.\n");
+ continue;
+ }
+ if(!sptps_receive_data(&s, buf, len) && !datagram)
return 1;
}
}
projects / oweals / tinc.git / blobdiff