Revision 6c23c726bb87b499f30a9ec9e91ea72433c83f21 authored by Hugo Landau on 12 February 2024, 13:17:01 UTC, committed by Hugo Landau on 21 March 2024, 17:59:01 UTC
Reviewed-by: Neil Horman <nhorman@openssl.org> Reviewed-by: Tomas Mraz <tomas@openssl.org> Reviewed-by: Tim Hudson <tjh@openssl.org> (Merged from https://github.com/openssl/openssl/pull/23551) (cherry picked from commit 9abcf116962e9a117717c751de93846f11da16cd)
1 parent 74447f8
http_test.c
/*
* Copyright 2020-2024 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"
static const ASN1_ITEM *x509_it = NULL;
static X509 *x509 = NULL;
#define RPATH "/path/result.crt"
typedef struct {
BIO *out;
const char *content_type;
const char *txt;
char version;
int keep_alive;
} server_args;
/*-
* Pretty trivial HTTP mock server:
* For POST, copy request headers+body from mem BIO |in| as response to |out|.
* For GET, redirect to RPATH unless already there, else use |content_type| and
* respond with |txt| if not NULL, else with |rsp| of ASN1 type |it|.
* Response hdr has HTTP version 1.|version| and |keep_alive| (unless implicit).
*/
static int mock_http_server(BIO *in, BIO *out, char version, int keep_alive,
const char *content_type, const char *txt,
ASN1_VALUE *rsp, const ASN1_ITEM *it)
{
const char *req, *path;
long count = BIO_get_mem_data(in, (unsigned char **)&req);
const char *hdr = (char *)req;
int len;
int is_get = count >= 4 && CHECK_AND_SKIP_PREFIX(hdr, "GET ");
/* first line should contain "(GET|POST) <path> HTTP/1.x" */
if (!is_get
&& !(TEST_true(count >= 5 && CHECK_AND_SKIP_PREFIX(hdr, "POST "))))
return 0;
path = hdr;
hdr = strchr(hdr, ' ');
if (hdr == NULL)
return 0;
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 (!HAS_PREFIX(path, RPATH)) {
if (!is_get)
return 0;
return BIO_printf(out, "HTTP/1.%c 301 Moved Permanently\r\n"
"Location: %s\r\n\r\n",
version, RPATH) > 0; /* same server */
}
if (BIO_printf(out, "HTTP/1.%c 200 OK\r\n", version) <= 0)
return 0;
if ((version == '0') == keep_alive) /* otherwise, default */
if (BIO_printf(out, "Connection: %s\r\n",
version == '0' ? "keep-alive" : "close") <= 0)
return 0;
if (is_get) { /* construct new header and body */
if (txt != NULL)
len = strlen(txt);
else if ((len = ASN1_item_i2d(rsp, NULL, it)) <= 0)
return 0;
if (BIO_printf(out, "Content-Type: %s\r\n"
"Content-Length: %d\r\n\r\n", content_type, len) <= 0)
return 0;
if (txt != NULL)
return BIO_puts(out, txt);
return ASN1_item_i2d_bio(it, out, rsp);
} else {
if (CHECK_AND_SKIP_PREFIX(hdr, "Connection: ")) {
/* skip req Connection header */
hdr = strstr(hdr, "\r\n");
if (hdr == NULL)
return 0;
hdr += 2;
}
/* echo remaining request header and body */
return BIO_write(out, hdr, count) == count;
}
}
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)
{
server_args *args = (server_args *)BIO_get_callback_arg(bio);
if (oper == (BIO_CB_CTRL | BIO_CB_RETURN) && cmd == BIO_CTRL_FLUSH)
ret = mock_http_server(bio, args->out, args->version, args->keep_alive,
args->content_type, args->txt,
(ASN1_VALUE *)x509, x509_it);
return ret;
}
#define text1 "test\n"
#define text2 "more\n"
#define REAL_SERVER_URL "http://httpbin.org/"
#define DOCTYPE_HTML "<!DOCTYPE html>\n"
static int test_http_method(int do_get, int do_txt)
{
BIO *wbio = BIO_new(BIO_s_mem());
BIO *rbio = BIO_new(BIO_s_mem());
server_args mock_args = { NULL, NULL, NULL, '0', 0 };
BIO *req, *rsp;
STACK_OF(CONF_VALUE) *headers = NULL;
const char *content_type;
int res = 0;
int real_server = do_txt && 0; /* remove "&& 0" for using real server */
if (do_txt) {
content_type = "text/plain";
req = BIO_new(BIO_s_mem());
if (req == NULL
|| BIO_puts(req, text1) != sizeof(text1) - 1
|| BIO_puts(req, text2) != sizeof(text2) - 1) {
BIO_free(req);
req = NULL;
}
mock_args.txt = text1;
} else {
content_type = "application/x-x509-ca-cert";
req = ASN1_item_i2d_mem_bio(x509_it, (ASN1_VALUE *)x509);
mock_args.txt = NULL;
}
if (wbio == NULL || rbio == NULL || req == NULL)
goto err;
mock_args.out = rbio;
mock_args.content_type = content_type;
BIO_set_callback_ex(wbio, http_bio_cb_ex);
BIO_set_callback_arg(wbio, (char *)&mock_args);
rsp = do_get ?
OSSL_HTTP_get(real_server ? REAL_SERVER_URL :
do_txt ? RPATH : "/will-be-redirected",
NULL /* proxy */, NULL /* no_proxy */,
real_server ? NULL : wbio,
real_server ? NULL : rbio,
NULL /* bio_update_fn */, NULL /* arg */,
0 /* buf_size */, headers,
real_server ? "text/html; charset=utf-8": content_type,
!do_txt /* expect_asn1 */,
OSSL_HTTP_DEFAULT_MAX_RESP_LEN, 0 /* timeout */)
: OSSL_HTTP_transfer(NULL, NULL /* host */, NULL /* port */, RPATH,
0 /* use_ssl */,NULL /* proxy */, NULL /* no_pr */,
wbio, rbio, NULL /* bio_fn */, NULL /* arg */,
0 /* buf_size */, headers, content_type,
req, content_type, !do_txt /* expect_asn1 */,
OSSL_HTTP_DEFAULT_MAX_RESP_LEN, 0 /* timeout */,
0 /* keep_alive */);
if (rsp != NULL) {
if (do_get && real_server) {
char rtext[sizeof(DOCTYPE_HTML)];
res = TEST_int_eq(BIO_gets(rsp, rtext, sizeof(rtext)),
sizeof(DOCTYPE_HTML) - 1)
&& TEST_str_eq(rtext, DOCTYPE_HTML);
} else if (do_txt) {
char rtext[sizeof(text1) + 1 /* more space than needed */];
res = TEST_int_eq(BIO_gets(rsp, rtext, sizeof(rtext)),
sizeof(text1) - 1)
&& TEST_str_eq(rtext, text1);
} else {
X509 *rcert = d2i_X509_bio(rsp, NULL);
res = TEST_ptr(rcert) && TEST_int_eq(X509_cmp(x509, rcert), 0);
X509_free(rcert);
}
BIO_free(rsp);
}
err:
BIO_free(req);
BIO_free(wbio);
BIO_free(rbio);
sk_CONF_VALUE_pop_free(headers, X509V3_conf_free);
return res;
}
static int test_http_keep_alive(char version, int keep_alive, int kept_alive)
{
BIO *wbio = BIO_new(BIO_s_mem());
BIO *rbio = BIO_new(BIO_s_mem());
BIO *rsp;
const char *const content_type = "application/x-x509-ca-cert";
server_args mock_args = { NULL, NULL, NULL, '0', 0 };
OSSL_HTTP_REQ_CTX *rctx = NULL;
int i, res = 0;
if (wbio == NULL || rbio == NULL)
goto err;
mock_args.out = rbio;
mock_args.content_type = content_type;
mock_args.version = version;
mock_args.keep_alive = kept_alive;
BIO_set_callback_ex(wbio, http_bio_cb_ex);
BIO_set_callback_arg(wbio, (char *)&mock_args);
for (res = 1, i = 1; res && i <= 2; i++) {
rsp = OSSL_HTTP_transfer(&rctx, NULL /* server */, NULL /* port */,
RPATH, 0 /* use_ssl */,
NULL /* proxy */, NULL /* no_proxy */,
wbio, rbio, NULL /* bio_update_fn */, NULL,
0 /* buf_size */, NULL /* headers */,
NULL /* content_type */, NULL /* req => GET */,
content_type, 0 /* ASN.1 not expected */,
0 /* max_resp_len */, 0 /* timeout */,
keep_alive);
if (keep_alive == 2 && kept_alive == 0)
res = res && TEST_ptr_null(rsp)
&& TEST_int_eq(OSSL_HTTP_is_alive(rctx), 0);
else
res = res && TEST_ptr(rsp)
&& TEST_int_eq(OSSL_HTTP_is_alive(rctx), keep_alive > 0);
BIO_free(rsp);
(void)BIO_reset(rbio); /* discard response contents */
keep_alive = 0;
}
OSSL_HTTP_close(rctx, res);
err:
BIO_free(wbio);
BIO_free(rbio);
return res;
}
static int test_http_url_ok(const char *url, int exp_ssl, const char *exp_host,
const char *exp_port, const char *exp_path)
{
char *user, *host, *port, *path, *query, *frag;
int exp_num, num, ssl;
int res;
if (!TEST_int_eq(sscanf(exp_port, "%d", &exp_num), 1))
return 0;
res = TEST_true(OSSL_HTTP_parse_url(url, &ssl, &user, &host, &port, &num,
&path, &query, &frag))
&& TEST_str_eq(host, exp_host)
&& TEST_str_eq(port, exp_port)
&& TEST_int_eq(num, exp_num)
&& TEST_str_eq(path, exp_path)
&& TEST_int_eq(ssl, exp_ssl);
if (res && *user != '\0')
res = TEST_str_eq(user, "user:pass");
if (res && *frag != '\0')
res = TEST_str_eq(frag, "fr");
if (res && *query != '\0')
res = TEST_str_eq(query, "q");
OPENSSL_free(user);
OPENSSL_free(host);
OPENSSL_free(port);
OPENSSL_free(path);
OPENSSL_free(query);
OPENSSL_free(frag);
return res;
}
static int test_http_url_path_query_ok(const char *url, const char *exp_path_qu)
{
char *host, *path;
int res;
res = TEST_true(OSSL_HTTP_parse_url(url, NULL, NULL, &host, NULL, NULL,
&path, NULL, NULL))
&& TEST_str_eq(host, "host")
&& TEST_str_eq(path, exp_path_qu);
OPENSSL_free(host);
OPENSSL_free(path);
return res;
}
static int test_http_url_dns(void)
{
return test_http_url_ok("host:65535/path", 0, "host", "65535", "/path");
}
static int test_http_url_path_query(void)
{
return test_http_url_path_query_ok("http://usr@host:1/p?q=x#frag", "/p?q=x")
&& test_http_url_path_query_ok("http://host?query#frag", "/?query")
&& test_http_url_path_query_ok("http://host:9999#frag", "/");
}
static int test_http_url_userinfo_query_fragment(void)
{
return test_http_url_ok("user:pass@host/p?q#fr", 0, "host", "80", "/p");
}
static int test_http_url_ipv4(void)
{
return test_http_url_ok("https://1.2.3.4/p/q", 1, "1.2.3.4", "443", "/p/q");
}
static int test_http_url_ipv6(void)
{
return test_http_url_ok("http://[FF01::101]:6", 0, "[FF01::101]", "6", "/");
}
static int test_http_url_invalid(const char *url)
{
char *host = "1", *port = "1", *path = "1";
int num = 1, ssl = 1;
int res;
res = TEST_false(OSSL_HTTP_parse_url(url, &ssl, NULL, &host, &port, &num,
&path, NULL, NULL))
&& TEST_ptr_null(host)
&& TEST_ptr_null(port)
&& TEST_ptr_null(path);
if (!res) {
OPENSSL_free(host);
OPENSSL_free(port);
OPENSSL_free(path);
}
return res;
}
static int test_http_url_invalid_prefix(void)
{
return test_http_url_invalid("htttps://1.2.3.4:65535/pkix");
}
static int test_http_url_invalid_port(void)
{
return test_http_url_invalid("https://1.2.3.4:65536/pkix")
&& test_http_url_invalid("https://1.2.3.4:");
}
static int test_http_url_invalid_path(void)
{
return test_http_url_invalid("https://[FF01::101]pkix");
}
static int test_http_get_txt(void)
{
return test_http_method(1 /* GET */, 1);
}
static int test_http_post_txt(void)
{
return test_http_method(0 /* POST */, 1);
}
static int test_http_get_x509(void)
{
return test_http_method(1 /* GET */, 0); /* includes redirection */
}
static int test_http_post_x509(void)
{
return test_http_method(0 /* POST */, 0);
}
static int test_http_keep_alive_0_no_no(void)
{
return test_http_keep_alive('0', 0, 0);
}
static int test_http_keep_alive_1_no_no(void)
{
return test_http_keep_alive('1', 0, 0);
}
static int test_http_keep_alive_0_prefer_yes(void)
{
return test_http_keep_alive('0', 1, 1);
}
static int test_http_keep_alive_1_prefer_yes(void)
{
return test_http_keep_alive('1', 1, 1);
}
static int test_http_keep_alive_0_require_yes(void)
{
return test_http_keep_alive('0', 2, 1);
}
static int test_http_keep_alive_1_require_yes(void)
{
return test_http_keep_alive('1', 2, 1);
}
static int test_http_keep_alive_0_require_no(void)
{
return test_http_keep_alive('0', 2, 0);
}
static int test_http_keep_alive_1_require_no(void)
{
return test_http_keep_alive('1', 2, 0);
}
static int test_http_resp_hdr_limit(size_t limit)
{
BIO *wbio = BIO_new(BIO_s_mem());
BIO *rbio = BIO_new(BIO_s_mem());
BIO *mem = NULL;
server_args mock_args = { NULL, NULL, NULL, '0', 0 };
int res = 0;
OSSL_HTTP_REQ_CTX *rctx = NULL;
if (TEST_ptr(wbio) == 0 || TEST_ptr(rbio) == 0)
goto err;
mock_args.txt = text1;
mock_args.content_type = "text/plain";
mock_args.version = '1';
mock_args.out = rbio;
BIO_set_callback_ex(wbio, http_bio_cb_ex);
BIO_set_callback_arg(wbio, (char *)&mock_args);
rctx = OSSL_HTTP_REQ_CTX_new(wbio, rbio, 8192);
if (TEST_ptr(rctx) == 0)
goto err;
if (!TEST_true(OSSL_HTTP_REQ_CTX_set_request_line(rctx, 0 /* GET */,
NULL, NULL, RPATH)))
goto err;
OSSL_HTTP_REQ_CTX_set_max_response_hdr_lines(rctx, limit);
mem = OSSL_HTTP_REQ_CTX_exchange(rctx);
/*
* Note the server sends 4 http response headers, thus we expect to
* see failure here when we set header limit in http response to 1.
*/
if (limit == 1)
res = TEST_ptr_null(mem);
else
res = TEST_ptr(mem);
err:
BIO_free(wbio);
BIO_free(rbio);
OSSL_HTTP_REQ_CTX_free(rctx);
return res;
}
static int test_hdr_resp_hdr_limit_none(void)
{
return test_http_resp_hdr_limit(0);
}
static int test_hdr_resp_hdr_limit_short(void)
{
return (test_http_resp_hdr_limit(1));
}
static int test_hdr_resp_hdr_limit_256(void)
{
return test_http_resp_hdr_limit(256);
}
void cleanup_tests(void)
{
X509_free(x509);
}
OPT_TEST_DECLARE_USAGE("cert.pem\n")
int setup_tests(void)
{
if (!test_skip_common_options())
return 0;
x509_it = ASN1_ITEM_rptr(X509);
if (!TEST_ptr((x509 = load_cert_pem(test_get_argument(0), NULL))))
return 0;
ADD_TEST(test_http_url_dns);
ADD_TEST(test_http_url_path_query);
ADD_TEST(test_http_url_userinfo_query_fragment);
ADD_TEST(test_http_url_ipv4);
ADD_TEST(test_http_url_ipv6);
ADD_TEST(test_http_url_invalid_prefix);
ADD_TEST(test_http_url_invalid_port);
ADD_TEST(test_http_url_invalid_path);
ADD_TEST(test_http_get_txt);
ADD_TEST(test_http_post_txt);
ADD_TEST(test_http_get_x509);
ADD_TEST(test_http_post_x509);
ADD_TEST(test_http_keep_alive_0_no_no);
ADD_TEST(test_http_keep_alive_1_no_no);
ADD_TEST(test_http_keep_alive_0_prefer_yes);
ADD_TEST(test_http_keep_alive_1_prefer_yes);
ADD_TEST(test_http_keep_alive_0_require_yes);
ADD_TEST(test_http_keep_alive_1_require_yes);
ADD_TEST(test_http_keep_alive_0_require_no);
ADD_TEST(test_http_keep_alive_1_require_no);
ADD_TEST(test_hdr_resp_hdr_limit_none);
ADD_TEST(test_hdr_resp_hdr_limit_short);
ADD_TEST(test_hdr_resp_hdr_limit_256);
return 1;
}
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