/*
sptps_test.c -- Simple Peer-to-Peer Security test program
- Copyright (C) 2011-2013 Guus Sliepen <guus@tinc-vpn.org>,
+ Copyright (C) 2014 Guus Sliepen <guus@meshlink.io>
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"
+#ifdef HAVE_LINUX
+#include <sys/ioctl.h>
+#include <linux/if.h>
+#include <linux/if_tun.h>
+#endif
+
#include <getopt.h>
#include "crypto.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; }
+bool send_request(void *c, const char *msg, ...) {
+ return false;
+}
+void *mesh;
+void *global_log_cb;
+int global_log_level;
+bool send_meta(void *c, const char *msg, int len) {
+ return false;
+}
char *logfilename = NULL;
struct timeval now;
static bool verbose;
static bool readonly;
static bool writeonly;
+static int in = 0;
+static int out = 1;
-static bool send_data(void *handle, uint8_t type, const char *data, size_t len) {
+static bool send_data(void *handle, uint8_t type, const void *data, size_t len) {
char hex[len * 2 + 1];
bin2hex(data, hex, len);
if(verbose)
return true;
}
-static bool receive_record(void *handle, uint8_t type, const char *data, uint16_t len) {
+static bool receive_record(void *handle, uint8_t type, const void *data, uint16_t len) {
if(verbose)
fprintf(stderr, "Received type %d record of %hu bytes:\n", type, len);
if(!writeonly)
- fwrite(data, len, 1, stdout);
+ write(out, data, len);
return true;
}
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"
- " -v, --verbose Display debug messages.\n"
- "\n");
- fprintf(stderr, "Report bugs to tinc@tinc-vpn.org.\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"
+#ifdef HAVE_LINUX
+ " -t, --tun Use a tun device instead of stdio.\n"
+#endif
+ " -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"
+ " -v, --verbose Display debug messages.\n"
+ "\n");
+ fprintf(stderr, "Report bugs to bugs@meshlink.io.\n");
}
int main(int argc, char *argv[]) {
program_name = argv[0];
bool initiator = false;
bool datagram = false;
+#ifdef HAVE_LINUX
+ bool tun = false;
+#endif
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:v", long_options, &option_index)) != EOF) {
- switch (r) {
- case 0: /* long option */
- break;
+ while((r = getopt_long(argc, argv, "dqrtwL:W:v", long_options, &option_index)) != EOF) {
+ switch(r) {
+ case 0: /* long option */
+ break;
- case 'd': /* datagram mode */
- datagram = true;
- break;
+ case 'd': /* datagram mode */
+ datagram = true;
+ break;
- case 'q': /* close connection on EOF from stdin */
- quit = true;
- break;
+ case 'q': /* close connection on EOF from stdin */
+ quit = true;
+ break;
- case 'r': /* read only */
- readonly = true;
- break;
+ case 'r': /* read only */
+ readonly = true;
+ break;
- case 'w': /* write only */
- writeonly = true;
- break;
+ case 't': /* read only */
+#ifdef HAVE_LINUX
+ tun = true;
+#else
+ fprintf(stderr, "--tun is only supported on Linux.\n");
+ usage();
+ return 1;
+#endif
+ break;
- case 'L': /* packet loss rate */
- packetloss = atoi(optarg);
- break;
+ case 'w': /* write only */
+ writeonly = true;
+ break;
- case 'W': /* replay window size */
- sptps_replaywin = atoi(optarg);
- break;
+ case 'L': /* packet loss rate */
+ packetloss = atoi(optarg);
+ break;
- case 'v': /* be verbose */
- verbose = true;
- break;
+ case 'W': /* replay window size */
+ sptps_replaywin = atoi(optarg);
+ break;
- case '?': /* wrong options */
- usage();
- return 1;
+ case 'v': /* be verbose */
+ verbose = true;
+ break;
- case 1: /* help */
- usage();
- return 0;
+ case '?': /* wrong options */
+ usage();
+ return 1;
- default:
- break;
+ case 1: /* help */
+ usage();
+ return 0;
+
+ default:
+ break;
}
}
srand(time(NULL));
+#ifdef HAVE_LINUX
+ if(tun) {
+ in = out = open("/dev/net/tun", O_RDWR | O_NONBLOCK);
+ if(in < 0) {
+ fprintf(stderr, "Could not open tun device: %s\n", strerror(errno));
+ return 1;
+ }
+ struct ifreq ifr = {
+ .ifr_flags = IFF_TUN
+ };
+ if(ioctl(in, TUNSETIFF, &ifr)) {
+ fprintf(stderr, "Could not configure tun interface: %s\n", strerror(errno));
+ return 1;
+ }
+ ifr.ifr_name[IFNAMSIZ - 1] = 0;
+ fprintf(stderr, "Using tun interface %s\n", ifr.ifr_name);
+ }
+#endif
+
#ifdef HAVE_MINGW
static struct WSAData wsa_state;
if(WSAStartup(MAKEWORD(2, 2), &wsa_state))
#endif
struct addrinfo *ai, hint;
- memset(&hint, 0, sizeof hint);
+ memset(&hint, 0, sizeof(hint));
hint.ai_family = AF_UNSPEC;
hint.ai_socktype = datagram ? SOCK_DGRAM : SOCK_STREAM;
}
int one = 1;
- setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, (void *)&one, sizeof one);
+ setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, (void *)&one, sizeof(one));
if(initiator) {
if(connect(sock, ai->ai_addr, ai->ai_addrlen)) {
char buf[65536];
struct sockaddr addr;
- socklen_t addrlen = sizeof addr;
+ socklen_t addrlen = sizeof(addr);
- if(recvfrom(sock, buf, sizeof buf, MSG_PEEK, &addr, &addrlen) <= 0) {
+ if(recvfrom(sock, buf, sizeof(buf), MSG_PEEK, &addr, &addrlen) <= 0) {
fprintf(stderr, "Could not read from socket: %s\n", strerror(errno));
return 1;
}
FD_ZERO(&fds);
#ifndef HAVE_MINGW
if(!readonly && s.instate)
- FD_SET(0, &fds);
+ FD_SET(in, &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(FD_ISSET(in, &fds)) {
+ ssize_t len = read(in, buf, sizeof(buf));
if(len < 0) {
fprintf(stderr, "Could not read from stdin: %s\n", strerror(errno));
return 1;
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))
+ } else if(!sptps_send_record(&s, buf[0] == '!' ? 1 : 0, buf, (len == 1 && 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);
+ 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;
projects / meshlink / blobdiff