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Bring ktunnel example client in line with reality

This commit is contained in:
Joris Vink 2014-10-22 19:00:48 +02:00
parent ffe94ff585
commit 0d17d2228c
1 changed files with 33 additions and 10 deletions
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43
examples/ktunnel/client/client.c
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@ -41,7 +41,7 @@
#define NETBUF_RECV_MAX 8192
#define HTTP_REQUEST_FMT \
"GET /?host=%s&port=%s HTTP/1.1\r\nHost: %s\r\n\r\n"
"GET %s?host=%s&port=%s HTTP/1.1\r\nHost: %s\r\n\r\n"
struct netbuf {
u_int8_t *data;
@ -121,23 +121,43 @@ struct kevent *changelist = NULL;
char *target_host = NULL;
char *target_port = NULL;
char *remote_name = NULL;
char *http_hostname = NULL;
char *http_path = "/connect";
void
usage(void)
{
fprintf(stderr,
"Usage: ktunnel-client local:port remote:port target:port\n");
"Usage: ktunnel-client [-h host] [-p path] "
"local:port remote:port target:port\n");
exit(1);
}
int
main(int argc, char *argv[])
{
int n, i;
int n, i, ch;
struct connection *c, *cnext;
struct peer lpeer, *peer;
if (argc != 4)
while ((ch = getopt(argc, argv, "h:p:")) != -1) {
switch (ch) {
case 'h':
http_hostname = optarg;
break;
case 'p':
http_path = optarg;
break;
default:
usage();
}
}
argc -= optind;
argv += optind;
if (argc != 3)
usage();
TAILQ_INIT(&clients);
@ -153,16 +173,19 @@ main(int argc, char *argv[])
fatal("calloc(): %s", errno_s);
memset(&lpeer, 0, sizeof(lpeer));
ktunnel_peer_init(&lpeer, argv[1], ktunnel_bind);
ktunnel_peer_init(&lpeer, argv[0], ktunnel_bind);
ktunnel_event_schedule(lpeer.fd, EVFILT_READ, EV_ADD, &lpeer);
remote_name = argv[2];
target_host = argv[3];
remote_name = argv[1];
target_host = argv[2];
if ((target_port = strchr(target_host, ':')) == NULL)
fatal("Target host does not contain a port");
*(target_port)++ = '\0';
if (http_hostname == NULL)
http_hostname = target_host;
for (;;) {
n = kevent(kfd, changelist, nchanges,
events, KQUEUE_EVENT_COUNT, NULL);
@ -378,13 +401,13 @@ ktunnel_connect(struct peer *peer, struct addrinfo *ai)
}
/* Send custom HTTP command. */
l = asprintf(&req, HTTP_REQUEST_FMT,
target_host, target_port, peer->host);
l = asprintf(&req, HTTP_REQUEST_FMT, http_path,
target_host, target_port, http_hostname);
if (l == -1)
fatal("asprintf(): %s", errno_s);
if (SSL_write(peer->ssl, req, l) != l)
fatal("Failed to talk to %s:%s", peer->host, peer->port);
fatal("Failed to talk to %s:%s: %s", peer->host, peer->port, ssl_errno_s);
free(req);