/* * 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 #include #include #include #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 " 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()); BIO *rsp, *req = ASN1_item_i2d_mem_bio(x509_it, (ASN1_VALUE *)x509); STACK_OF(CONF_VALUE) *headers = NULL; const char content_type[] = "application/x-x509-ca-cert"; int res = 0; if (wbio == NULL || rbio == NULL || req == NULL) goto err; BIO_set_callback_ex(wbio, http_bio_cb_ex); BIO_set_callback_arg(wbio, (char *)rbio); rpath = RPATH; rsp = do_get ? OSSL_HTTP_get("http://"SERVER":"PORT"/"RPATH, NULL /* proxy */, NULL /* no_proxy */, wbio, rbio, NULL /* bio_fn */, NULL /* arg */, 0 /* buf_size */, headers, content_type, 1 /* expect_asn1 */, 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, 1 /* expect_asn1 */, HTTP_DEFAULT_MAX_RESP_LEN, 0 /* timeout */, 0 /* keep_alive */); rcert = d2i_X509_bio(rsp, NULL); BIO_free(rsp); res = TEST_ptr(rcert) && TEST_int_eq(X509_cmp(x509, rcert), 0); err: X509_free(rcert); BIO_free(req); 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; }