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- /*
- * Copyright 2020-2021 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 SERVER "mock.server"
- #define PORT "81"
- #define RPATH "path/any.crt"
- static const char *rpath;
- /*
- * 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_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");
- }
- static int test_http_url_invalid_path(void)
- {
- return test_http_url_invalid("https://[FF01::101]pkix");
- }
- 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_cert_pem(test_get_argument(0), NULL))))
- return 1;
- 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_x509);
- ADD_TEST(test_http_post_x509);
- return 1;
- }
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