mirror of https://github.com/openssl/openssl.git
				
				
				
			
		
			
				
	
	
		
			395 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			395 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			C
		
	
	
	
| /*
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|  * Copyright 2020-2021 The OpenSSL Project Authors. All Rights Reserved.
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|  * Copyright Siemens AG 2020
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|  *
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|  * Licensed under the Apache License 2.0 (the "License").  You may not use
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|  * this file except in compliance with the License.  You can obtain a copy
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|  * in the file LICENSE in the source distribution or at
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|  * https://www.openssl.org/source/license.html
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|  */
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| 
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| #include <openssl/http.h>
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| #include <openssl/pem.h>
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| #include <openssl/x509v3.h>
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| #include <string.h>
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| 
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| #include "testutil.h"
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| 
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| static const ASN1_ITEM *x509_it = NULL;
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| static X509 *x509 = NULL;
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| #define RPATH "/path/result.crt"
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| 
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| typedef struct {
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|     BIO *out;
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|     char version;
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|     int keep_alive;
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| } server_args;
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| 
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| /*-
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|  * Pretty trivial HTTP mock server:
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|  * For POST, copy request headers+body from mem BIO 'in' as response to 'out'.
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|  * For GET, redirect to RPATH, else respond with 'rsp' of ASN1 type 'it'.
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|  * Respond with HTTP version 1.'version' and 'keep_alive' (unless implicit).
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|  */
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| static int mock_http_server(BIO *in, BIO *out, char version, int keep_alive,
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|                             ASN1_VALUE *rsp, const ASN1_ITEM *it)
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| {
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|     const char *req, *path;
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|     long count = BIO_get_mem_data(in, (unsigned char **)&req);
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|     const char *hdr = (char *)req;
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|     int is_get = count >= 4 && strncmp(hdr, "GET ", 4) == 0;
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|     int len;
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| 
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|     /* first line should contain "<GET or POST> <path> HTTP/1.x" */
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|     if (is_get)
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|         hdr += 4;
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|     else if (TEST_true(count >= 5 && strncmp(hdr, "POST ", 5) == 0))
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|         hdr += 5;
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|     else
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|         return 0;
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| 
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|     path = hdr;
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|     hdr = strchr(hdr, ' ');
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|     if (hdr == NULL)
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|         return 0;
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|     len = strlen("HTTP/1.");
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|     if (!TEST_strn_eq(++hdr, "HTTP/1.", len))
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|         return 0;
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|     hdr += len;
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|     /* check for HTTP version 1.0 .. 1.1 */
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|     if (!TEST_char_le('0', *hdr) || !TEST_char_le(*hdr++, '1'))
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|         return 0;
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|     if (!TEST_char_eq(*hdr++, '\r') || !TEST_char_eq(*hdr++, '\n'))
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|         return 0;
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|     count -= (hdr - req);
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|     if (count < 0 || out == NULL)
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|         return 0;
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| 
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|     if (strncmp(path, RPATH, strlen(RPATH)) != 0) {
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|         if (!is_get)
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|             return 0;
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|         return BIO_printf(out, "HTTP/1.%c 301 Moved Permanently\r\n"
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|                           "Location: %s\r\n\r\n",
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|                           version, RPATH) > 0; /* same server */
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|     }
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|     if (BIO_printf(out, "HTTP/1.%c 200 OK\r\n", version) <= 0)
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|         return 0;
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|     if ((version == '0') == keep_alive) /* otherwise, default */
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|         if (BIO_printf(out, "Connection: %s\r\n",
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|                        version == '0' ? "keep-alive" : "close") <= 0)
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|             return 0;
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|     if (is_get) { /* construct new header and body */
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|         if ((len = ASN1_item_i2d(rsp, NULL, it)) <= 0)
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|             return 0;
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|         if (BIO_printf(out, "Content-Type: application/x-x509-ca-cert\r\n"
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|                        "Content-Length: %d\r\n\r\n", len) <= 0)
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|             return 0;
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|         return ASN1_item_i2d_bio(it, out, rsp);
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|     } else {
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|         len = strlen("Connection: ");
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|         if (strncmp(hdr, "Connection: ", len) == 0) {
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|             /* skip req Connection header */
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|             hdr = strstr(hdr + len, "\r\n");
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|             if (hdr == NULL)
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|                 return 0;
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|             hdr += 2;
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|         }
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|         /* echo remaining request header and body */
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|         return BIO_write(out, hdr, count) == count;
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|     }
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| }
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| 
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| static long http_bio_cb_ex(BIO *bio, int oper, const char *argp, size_t len,
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|                            int cmd, long argl, int ret, size_t *processed)
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| {
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|     server_args *args = (server_args *)BIO_get_callback_arg(bio);
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| 
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|     if (oper == (BIO_CB_CTRL | BIO_CB_RETURN) && cmd == BIO_CTRL_FLUSH)
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|         ret = mock_http_server(bio, args->out, args->version, args->keep_alive,
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|                                (ASN1_VALUE *)x509, x509_it);
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|     return ret;
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| }
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| 
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| static int test_http_x509(int do_get)
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| {
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|     X509 *rcert = NULL;
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|     BIO *wbio = BIO_new(BIO_s_mem());
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|     BIO *rbio = BIO_new(BIO_s_mem());
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|     server_args mock_args = { NULL, '0', 0 };
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|     BIO *rsp, *req = ASN1_item_i2d_mem_bio(x509_it, (ASN1_VALUE *)x509);
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|     STACK_OF(CONF_VALUE) *headers = NULL;
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|     const char content_type[] = "application/x-x509-ca-cert";
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|     int res = 0;
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| 
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|     if (wbio == NULL || rbio == NULL || req == NULL)
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|         goto err;
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|     mock_args.out = rbio;
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|     BIO_set_callback_ex(wbio, http_bio_cb_ex);
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|     BIO_set_callback_arg(wbio, (char *)&mock_args);
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| 
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|     rsp = do_get ?
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|         OSSL_HTTP_get("/will-be-redirected",
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|                       NULL /* proxy */, NULL /* no_proxy */,
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|                       wbio, rbio, NULL /* bio_update_fn */, NULL /* arg */,
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|                       0 /* buf_size */, headers, content_type,
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|                       1 /* expect_asn1 */,
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|                       OSSL_HTTP_DEFAULT_MAX_RESP_LEN, 0 /* timeout */)
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|         : OSSL_HTTP_transfer(NULL, NULL /* host */, NULL /* port */, RPATH,
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|                              0 /* use_ssl */,NULL /* proxy */, NULL /* no_pr */,
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|                              wbio, rbio, NULL /* bio_fn */, NULL /* arg */,
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|                              0 /* buf_size */, headers, content_type,
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|                              req, content_type, 1 /* expect_asn1 */,
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|                              OSSL_HTTP_DEFAULT_MAX_RESP_LEN, 0 /* timeout */,
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|                              0 /* keep_alive */);
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|     rcert = d2i_X509_bio(rsp, NULL);
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|     BIO_free(rsp);
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|     res = TEST_ptr(rcert) && TEST_int_eq(X509_cmp(x509, rcert), 0);
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| 
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|  err:
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|     X509_free(rcert);
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|     BIO_free(req);
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|     BIO_free(wbio);
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|     BIO_free(rbio);
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|     sk_CONF_VALUE_pop_free(headers, X509V3_conf_free);
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|     return res;
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| }
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| 
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| static int test_http_keep_alive(char version, int keep_alive, int kept_alive)
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| {
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|     BIO *wbio = BIO_new(BIO_s_mem());
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|     BIO *rbio = BIO_new(BIO_s_mem());
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|     BIO *rsp;
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|     server_args mock_args = { NULL, '0', 0 };
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|     const char *const content_type = "application/x-x509-ca-cert";
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|     OSSL_HTTP_REQ_CTX *rctx = NULL;
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|     int i, res = 0;
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| 
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|     if (wbio == NULL || rbio == NULL)
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|         goto err;
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|     mock_args.out = rbio;
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|     mock_args.version = version;
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|     mock_args.keep_alive = kept_alive;
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|     BIO_set_callback_ex(wbio, http_bio_cb_ex);
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|     BIO_set_callback_arg(wbio, (char *)&mock_args);
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| 
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|     for (res = 1, i = 1; res && i <= 2; i++) {
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|         rsp = OSSL_HTTP_transfer(&rctx, NULL /* server */, NULL /* port */,
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|                                  RPATH, 0 /* use_ssl */,
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|                                  NULL /* proxy */, NULL /* no_proxy */,
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|                                  wbio, rbio, NULL /* bio_update_fn */, NULL,
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|                                  0 /* buf_size */, NULL /* headers */,
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|                                  NULL /* content_type */, NULL /* req => GET */,
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|                                  content_type, 0 /* ASN.1 not expected */,
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|                                  0 /* max_resp_len */, 0 /* timeout */,
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|                                  keep_alive);
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|         if (keep_alive == 2 && kept_alive == 0)
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|             res = res && TEST_ptr_null(rsp)
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|                 && TEST_int_eq(OSSL_HTTP_is_alive(rctx), 0);
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|         else
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|             res = res && TEST_ptr(rsp)
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|                 && TEST_int_eq(OSSL_HTTP_is_alive(rctx), keep_alive > 0);
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|         BIO_free(rsp);
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|         (void)BIO_reset(rbio); /* discard response contents */
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|         keep_alive = 0;
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|     }
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|     OSSL_HTTP_close(rctx, res);
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| 
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|  err:
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|     BIO_free(wbio);
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|     BIO_free(rbio);
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|     return res;
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| }
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| 
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| static int test_http_url_ok(const char *url, int exp_ssl, const char *exp_host,
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|                             const char *exp_port, const char *exp_path)
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| {
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|     char *user, *host, *port, *path, *query, *frag;
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|     int exp_num, num, ssl;
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|     int res;
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| 
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|     if (!TEST_int_eq(sscanf(exp_port, "%d", &exp_num), 1))
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|         return 0;
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|     res = TEST_true(OSSL_HTTP_parse_url(url, &ssl, &user, &host, &port, &num,
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|                                         &path, &query, &frag))
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|         && TEST_str_eq(host, exp_host)
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|         && TEST_str_eq(port, exp_port)
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|         && TEST_int_eq(num, exp_num)
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|         && TEST_str_eq(path, exp_path)
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|         && TEST_int_eq(ssl, exp_ssl);
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|     if (res && *user != '\0')
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|         res = TEST_str_eq(user, "user:pass");
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|     if (res && *frag != '\0')
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|         res = TEST_str_eq(frag, "fr");
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|     if (res && *query != '\0')
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|         res = TEST_str_eq(query, "q");
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|     OPENSSL_free(user);
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|     OPENSSL_free(host);
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|     OPENSSL_free(port);
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|     OPENSSL_free(path);
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|     OPENSSL_free(query);
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|     OPENSSL_free(frag);
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|     return res;
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| }
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| 
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| static int test_http_url_path_query_ok(const char *url, const char *exp_path_qu)
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| {
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|     char *host, *path;
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|     int res;
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| 
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|     res = TEST_true(OSSL_HTTP_parse_url(url, NULL, NULL, &host, NULL, NULL,
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|                                         &path, NULL, NULL))
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|         && TEST_str_eq(host, "host")
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|         && TEST_str_eq(path, exp_path_qu);
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|     OPENSSL_free(host);
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|     OPENSSL_free(path);
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|     return res;
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| }
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| 
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| static int test_http_url_dns(void)
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| {
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|     return test_http_url_ok("host:65535/path", 0, "host", "65535", "/path");
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| }
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| 
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| static int test_http_url_path_query(void)
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| {
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|     return test_http_url_path_query_ok("http://usr@host:1/p?q=x#frag", "/p?q=x")
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|         && test_http_url_path_query_ok("http://host?query#frag", "/?query")
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|         && test_http_url_path_query_ok("http://host:9999#frag", "/");
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| }
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| 
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| static int test_http_url_userinfo_query_fragment(void)
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| {
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|     return test_http_url_ok("user:pass@host/p?q#fr", 0, "host", "80", "/p");
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| }
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| 
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| static int test_http_url_ipv4(void)
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| {
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|     return test_http_url_ok("https://1.2.3.4/p/q", 1, "1.2.3.4", "443", "/p/q");
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| }
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| 
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| static int test_http_url_ipv6(void)
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| {
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|     return test_http_url_ok("http://[FF01::101]:6", 0, "[FF01::101]", "6", "/");
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| }
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| 
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| static int test_http_url_invalid(const char *url)
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| {
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|     char *host = "1", *port = "1", *path = "1";
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|     int num = 1, ssl = 1;
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|     int res;
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| 
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|     res = TEST_false(OSSL_HTTP_parse_url(url, &ssl, NULL, &host, &port, &num,
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|                                          &path, NULL, NULL))
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|         && TEST_ptr_null(host)
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|         && TEST_ptr_null(port)
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|         && TEST_ptr_null(path);
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|     if (!res) {
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|         OPENSSL_free(host);
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|         OPENSSL_free(port);
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|         OPENSSL_free(path);
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|     }
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|     return res;
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| }
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| 
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| static int test_http_url_invalid_prefix(void)
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| {
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|     return test_http_url_invalid("htttps://1.2.3.4:65535/pkix");
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| }
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| 
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| static int test_http_url_invalid_port(void)
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| {
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|     return test_http_url_invalid("https://1.2.3.4:65536/pkix");
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| }
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| 
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| static int test_http_url_invalid_path(void)
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| {
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|     return test_http_url_invalid("https://[FF01::101]pkix");
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| }
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| 
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| static int test_http_get_x509(void)
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| {
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|     return test_http_x509(1);
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| }
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| 
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| static int test_http_post_x509(void)
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| {
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|     return test_http_x509(0);
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| }
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| 
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| static int test_http_keep_alive_0_no_no(void)
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| {
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|     return test_http_keep_alive('0', 0, 0);
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| }
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| 
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| static int test_http_keep_alive_1_no_no(void)
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| {
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|     return test_http_keep_alive('1', 0, 0);
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| }
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| 
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| static int test_http_keep_alive_0_prefer_yes(void)
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| {
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|     return test_http_keep_alive('0', 1, 1);
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| }
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| 
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| static int test_http_keep_alive_1_prefer_yes(void)
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| {
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|     return test_http_keep_alive('1', 1, 1);
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| }
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| 
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| static int test_http_keep_alive_0_require_yes(void)
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| {
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|     return test_http_keep_alive('0', 2, 1);
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| }
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| 
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| static int test_http_keep_alive_1_require_yes(void)
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| {
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|     return test_http_keep_alive('1', 2, 1);
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| }
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| 
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| static int test_http_keep_alive_0_require_no(void)
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| {
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|     return test_http_keep_alive('0', 2, 0);
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| }
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| 
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| static int test_http_keep_alive_1_require_no(void)
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| {
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|     return test_http_keep_alive('1', 2, 0);
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| }
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| 
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| void cleanup_tests(void)
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| {
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|     X509_free(x509);
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| }
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| 
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| OPT_TEST_DECLARE_USAGE("cert.pem\n")
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| 
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| int setup_tests(void)
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| {
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|     if (!test_skip_common_options())
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|         return 0;
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| 
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|     x509_it = ASN1_ITEM_rptr(X509);
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|     if (!TEST_ptr((x509 = load_cert_pem(test_get_argument(0), NULL))))
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|         return 0;
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| 
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|     ADD_TEST(test_http_url_dns);
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|     ADD_TEST(test_http_url_path_query);
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|     ADD_TEST(test_http_url_userinfo_query_fragment);
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|     ADD_TEST(test_http_url_ipv4);
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|     ADD_TEST(test_http_url_ipv6);
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|     ADD_TEST(test_http_url_invalid_prefix);
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|     ADD_TEST(test_http_url_invalid_port);
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|     ADD_TEST(test_http_url_invalid_path);
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|     ADD_TEST(test_http_get_x509);
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|     ADD_TEST(test_http_post_x509);
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|     ADD_TEST(test_http_keep_alive_0_no_no);
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|     ADD_TEST(test_http_keep_alive_1_no_no);
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|     ADD_TEST(test_http_keep_alive_0_prefer_yes);
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|     ADD_TEST(test_http_keep_alive_1_prefer_yes);
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|     ADD_TEST(test_http_keep_alive_0_require_yes);
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|     ADD_TEST(test_http_keep_alive_1_require_yes);
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|     ADD_TEST(test_http_keep_alive_0_require_no);
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|     ADD_TEST(test_http_keep_alive_1_require_no);
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|     return 1;
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| }
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