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/*
* Testing tool for TLSv1 client routines using HTTPS
* Copyright (c) 2011, Jouni Malinen <j@w1.fi>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* Alternatively, this software may be distributed under the terms of BSD
* license.
*
* See README and COPYING for more details.
*/
#include "includes.h"
#include <netdb.h>
#include "common.h"
#include "crypto/tls.h"
extern int wpa_debug_level;
extern int wpa_debug_show_keys;
static void https_tls_event_cb(void *ctx, enum tls_event ev,
union tls_event_data *data)
{
wpa_printf(MSG_DEBUG, "HTTPS: TLS event %d", ev);
}
static struct wpabuf * https_recv(int s)
{
struct wpabuf *in;
int len, ret;
fd_set rfds;
struct timeval tv;
in = wpabuf_alloc(20000);
if (in == NULL)
return NULL;
FD_ZERO(&rfds);
FD_SET(s, &rfds);
tv.tv_sec = 5;
tv.tv_usec = 0;
wpa_printf(MSG_DEBUG, "Waiting for more data");
ret = select(s + 1, &rfds, NULL, NULL, &tv);
if (ret < 0) {
wpa_printf(MSG_ERROR, "select: %s", strerror(errno));
wpabuf_free(in);
return NULL;
}
if (ret == 0) {
/* timeout */
wpa_printf(MSG_INFO, "Timeout on waiting for data");
wpabuf_free(in);
return NULL;
}
len = recv(s, wpabuf_put(in, 0), wpabuf_tailroom(in), 0);
if (len < 0) {
wpa_printf(MSG_ERROR, "recv: %s", strerror(errno));
wpabuf_free(in);
return NULL;
}
if (len == 0) {
wpa_printf(MSG_DEBUG, "No more data available");
wpabuf_free(in);
return NULL;
}
wpa_printf(MSG_DEBUG, "Received %d bytes", len);
wpabuf_put(in, len);
return in;
}
static int https_client(int s, const char *path)
{
struct tls_config conf;
void *tls;
struct tls_connection *conn;
struct wpabuf *in, *out, *appl;
int res = -1;
int need_more_data;
os_memset(&conf, 0, sizeof(conf));
conf.event_cb = https_tls_event_cb;
tls = tls_init(&conf);
if (tls == NULL)
return -1;
conn = tls_connection_init(tls);
if (conn == NULL) {
tls_deinit(tls);
return -1;
}
in = NULL;
for (;;) {
appl = NULL;
out = tls_connection_handshake2(tls, conn, in, &appl,
&need_more_data);
wpabuf_free(in);
in = NULL;
if (out == NULL) {
if (need_more_data)
goto read_more;
goto done;
}
if (tls_connection_get_failed(tls, conn)) {
wpa_printf(MSG_ERROR, "TLS handshake failed");
goto done;
}
if (tls_connection_established(tls, conn))
break;
wpa_printf(MSG_DEBUG, "Sending %d bytes",
(int) wpabuf_len(out));
if (send(s, wpabuf_head(out), wpabuf_len(out), 0) < 0) {
wpa_printf(MSG_ERROR, "send: %s", strerror(errno));
goto done;
}
wpabuf_free(out);
out = NULL;
read_more:
in = https_recv(s);
if (in == NULL)
goto done;
}
wpa_printf(MSG_INFO, "TLS connection established");
if (appl)
wpa_hexdump_buf(MSG_DEBUG, "Received application data", appl);
in = wpabuf_alloc(100 + os_strlen(path));
if (in == NULL)
goto done;
wpabuf_put_str(in, "GET ");
wpabuf_put_str(in, path);
wpabuf_put_str(in, " HTTP/1.0\r\n\r\n");
out = tls_connection_encrypt(tls, conn, in);
wpabuf_free(in);
in = NULL;
if (out == NULL)
goto done;
wpa_printf(MSG_INFO, "Sending HTTP request: %d bytes",
(int) wpabuf_len(out));
if (send(s, wpabuf_head(out), wpabuf_len(out), 0) < 0) {
wpa_printf(MSG_ERROR, "send: %s", strerror(errno));
goto done;
}
wpa_printf(MSG_INFO, "Reading HTTP response");
for (;;) {
int need_more_data;
in = https_recv(s);
if (in == NULL)
goto done;
out = tls_connection_decrypt2(tls, conn, in, &need_more_data);
if (need_more_data)
wpa_printf(MSG_DEBUG, "HTTP: Need more data");
wpabuf_free(in);
in = NULL;
if (out == NULL)
goto done;
wpa_hexdump_ascii(MSG_INFO, "Response", wpabuf_head(out),
wpabuf_len(out));
wpabuf_free(out);
out = NULL;
}
res = 0;
done:
wpabuf_free(out);
wpabuf_free(in);
wpabuf_free(appl);
tls_connection_deinit(tls, conn);
tls_deinit(tls);
return res;
}
int main(int argc, char *argv[])
{
struct addrinfo hints, *result, *rp;
int res, s;
wpa_debug_level = 0;
wpa_debug_show_keys = 1;
if (argc < 4) {
wpa_printf(MSG_INFO, "usage: test-https server port path");
return -1;
}
os_memset(&hints, 0, sizeof(hints));
hints.ai_family = AF_UNSPEC;
hints.ai_socktype = SOCK_STREAM;
res = getaddrinfo(argv[1], argv[2], &hints, &result);
if (res) {
wpa_printf(MSG_ERROR, "getaddrinfo: %s", gai_strerror(res));
return -1;
}
for (rp = result; rp; rp = rp->ai_next) {
s = socket(rp->ai_family, rp->ai_socktype, rp->ai_protocol);
if (s < 0)
continue;
if (connect(s, rp->ai_addr, rp->ai_addrlen) == 0)
break;
close(s);
}
freeaddrinfo(result);
if (rp == NULL) {
wpa_printf(MSG_ERROR, "Could not connect");
return -1;
}
https_client(s, argv[3]);
close(s);
return 0;
}
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