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/*
* Copyright 2020 The OpenSSL Project Authors. All Rights Reserved.
* Copyright Siemens AG 2020
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#include <openssl/http.h>
#include <openssl/pem.h>
#include <openssl/x509v3.h>
#include <string.h>
#include "testutil.h"
DEFINE_STACK_OF(CONF_VALUE)
static const ASN1_ITEM *x509_it = NULL;
static X509 *x509 = NULL;
#define SERVER "mock.server"
#define PORT "81"
#define RPATH "path/any.crt"
static const char *rpath;
static X509 *load_pem_cert(const char *file)
{
X509 *cert = NULL;
BIO *bio = NULL;
if (!TEST_ptr(bio = BIO_new(BIO_s_file())))
return NULL;
if (TEST_int_gt(BIO_read_filename(bio, file), 0))
(void)TEST_ptr(cert = PEM_read_bio_X509(bio, NULL, NULL, NULL));
BIO_free(bio);
return cert;
}
/*
* pretty trivial HTTP mock server:
* for POST, copy request headers+body from mem BIO 'in' as response to 'out'
* for GET, first redirect the request then respond with 'rsp' of ASN1 type 'it'
*/
static int mock_http_server(BIO *in, BIO *out,
ASN1_VALUE *rsp, const ASN1_ITEM *it)
{
const char *req;
long count = BIO_get_mem_data(in, (unsigned char **)&req);
const char *hdr = (char *)req;
int is_get = count >= 4 && strncmp(hdr, "GET ", 4) == 0;
int len;
/* first line should contain "<GET or POST> <rpath> HTTP/1.x" */
if (is_get)
hdr += 4;
else if (TEST_true(count >= 5 && strncmp(hdr, "POST ", 5) == 0))
hdr += 5;
else
return 0;
while (*rpath == '/')
rpath++;
while (*hdr == '/')
hdr++;
len = strlen(rpath);
if (!TEST_strn_eq(hdr, rpath, len) || !TEST_char_eq(hdr++[len], ' '))
return 0;
hdr += len;
len = strlen("HTTP/1.");
if (!TEST_strn_eq(hdr, "HTTP/1.", len))
return 0;
hdr += len;
/* check for HTTP version 1.0 .. 1.1 */
if (!TEST_char_le('0', *hdr) || !TEST_char_le(*hdr++, '1'))
return 0;
if (!TEST_char_eq(*hdr++, '\r') || !TEST_char_eq(*hdr++, '\n'))
return 0;
count -= (hdr - req);
if (count <= 0 || out == NULL)
return 0;
if (is_get && strcmp(rpath, RPATH) == 0) {
rpath = "path/new.crt";
return BIO_printf(out, "HTTP/1.1 301 Moved Permanently\r\n"
"Location: /%s\r\n\r\n", rpath) > 0; /* same server */
}
if (BIO_printf(out, "HTTP/1.1 200 OK\r\n") <= 0)
return 0;
if (is_get) { /* construct new header and body */
if ((len = ASN1_item_i2d(rsp, NULL, it)) <= 0)
return 0;
if (BIO_printf(out, "Content-Type: application/x-x509-ca-cert\r\n"
"Content-Length: %d\r\n\r\n", len) <= 0)
return 0;
return ASN1_item_i2d_bio(it, out, rsp);
} else {
return BIO_write(out, hdr, count) == count; /* echo header and body */
}
}
static long http_bio_cb_ex(BIO *bio, int oper, const char *argp, size_t len,
int cmd, long argl, int ret, size_t *processed)
{
if (oper == (BIO_CB_CTRL | BIO_CB_RETURN) && cmd == BIO_CTRL_FLUSH)
ret = mock_http_server(bio, (BIO *)BIO_get_callback_arg(bio),
(ASN1_VALUE *)x509, x509_it);
return ret;
}
static int test_http_x509(int do_get)
{
X509 *rcert = NULL;
BIO *wbio = BIO_new(BIO_s_mem());
BIO *rbio = BIO_new(BIO_s_mem());
STACK_OF(CONF_VALUE) *headers = NULL;
int res = 0;
if (wbio == NULL || rbio == NULL)
goto err;
BIO_set_callback_ex(wbio, http_bio_cb_ex);
BIO_set_callback_arg(wbio, (char *)rbio);
rpath = RPATH;
rcert = (X509 *)
(do_get ?
OSSL_HTTP_get_asn1("http://"SERVER":"PORT"/"RPATH,
NULL /* proxy */, NULL /* no_proxy */,
wbio, rbio, NULL /* bio_update_fn */, NULL,
headers, 0 /* maxline */,
0 /* max_resp_len */, 0 /* timeout */,
"application/x-x509-ca-cert", x509_it)
:
OSSL_HTTP_post_asn1(SERVER, PORT, RPATH, 0 /* use_ssl */,
NULL /* proxy */, NULL /* no_proxy */,
wbio, rbio, NULL /* bio_update_fn */, NULL,
headers, "application/x-x509-ca-cert",
(ASN1_VALUE *)x509, x509_it, 0 /* maxline */,
0 /* max_resp_len */, 0 /* timeout */,
"application/x-x509-ca-cert", x509_it)
);
res = TEST_ptr(rcert) && TEST_int_eq(X509_cmp(x509, rcert), 0);
err:
X509_free(rcert);
BIO_free(wbio);
BIO_free(rbio);
sk_CONF_VALUE_pop_free(headers, X509V3_conf_free);
return res;
}
static int test_http_get_x509(void)
{
return test_http_x509(1);
}
static int test_http_post_x509(void)
{
return test_http_x509(0);
}
void cleanup_tests(void)
{
X509_free(x509);
}
int setup_tests(void)
{
if (!test_skip_common_options()) {
TEST_error("Error parsing test options\n");
return 0;
}
x509_it = ASN1_ITEM_rptr(X509);
if (!TEST_ptr((x509 = load_pem_cert(test_get_argument(0)))))
return 1;
ADD_TEST(test_http_get_x509);
ADD_TEST(test_http_post_x509);
return 1;
}
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