mirror of
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a497a90213
Reviewed-by: Ben Kaduk <kaduk@mit.edu> Reviewed-by: Paul Dale <pauli@openssl.org> (Merged from https://github.com/openssl/openssl/pull/17308)
456 lines
14 KiB
C
456 lines
14 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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#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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#include "testutil.h"
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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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typedef struct {
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BIO *out;
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const char *content_type;
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const char *txt;
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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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* 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 unless already there, else use |content_type| and
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* respond with |txt| if not NULL, else with |rsp| of ASN1 type |it|.
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* Response hdr has 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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const char *content_type, const char *txt,
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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 len;
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int is_get = count >= 4 && CHECK_AND_SKIP_PREFIX(hdr, "GET ");
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/* first line should contain "(GET|POST) <path> HTTP/1.x" */
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if (!is_get
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&& !(TEST_true(count >= 5 && CHECK_AND_SKIP_PREFIX(hdr, "POST "))))
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return 0;
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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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if (!HAS_PREFIX(path, RPATH)) {
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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 (txt != NULL)
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len = strlen(txt);
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else 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: %s\r\n"
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"Content-Length: %d\r\n\r\n", content_type, len) <= 0)
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return 0;
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if (txt != NULL)
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return BIO_puts(out, txt);
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return ASN1_item_i2d_bio(it, out, rsp);
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} else {
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if (CHECK_AND_SKIP_PREFIX(hdr, "Connection: ")) {
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/* skip req Connection header */
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hdr = strstr(hdr, "\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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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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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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args->content_type, args->txt,
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(ASN1_VALUE *)x509, x509_it);
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return ret;
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}
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#define text1 "test\n"
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#define text2 "more\n"
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#define REAL_SERVER_URL "http://httpbin.org/"
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#define DOCTYPE_HTML "<!DOCTYPE html>\n"
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static int test_http_method(int do_get, int do_txt)
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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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server_args mock_args = { NULL, NULL, NULL, '0', 0 };
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BIO *req, *rsp;
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STACK_OF(CONF_VALUE) *headers = NULL;
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const char *content_type;
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int res = 0;
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int real_server = do_txt && 0; /* remove "&& 0" for using real server */
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if (do_txt) {
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content_type = "text/plain";
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req = BIO_new(BIO_s_mem());
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if (req == NULL
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|| BIO_puts(req, text1) != sizeof(text1) - 1
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|| BIO_puts(req, text2) != sizeof(text2) - 1) {
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BIO_free(req);
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req = NULL;
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}
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mock_args.txt = text1;
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} else {
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content_type = "application/x-x509-ca-cert";
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req = ASN1_item_i2d_mem_bio(x509_it, (ASN1_VALUE *)x509);
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mock_args.txt = NULL;
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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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mock_args.content_type = content_type;
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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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rsp = do_get ?
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OSSL_HTTP_get(real_server ? REAL_SERVER_URL :
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do_txt ? RPATH : "/will-be-redirected",
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NULL /* proxy */, NULL /* no_proxy */,
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real_server ? NULL : wbio,
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real_server ? NULL : rbio,
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NULL /* bio_update_fn */, NULL /* arg */,
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0 /* buf_size */, headers,
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real_server ? "text/html; charset=utf-8": content_type,
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!do_txt /* 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, !do_txt /* 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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if (rsp != NULL) {
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if (do_get && real_server) {
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char rtext[sizeof(DOCTYPE_HTML)];
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res = TEST_int_eq(BIO_gets(rsp, rtext, sizeof(rtext)),
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sizeof(DOCTYPE_HTML) - 1)
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&& TEST_str_eq(rtext, DOCTYPE_HTML);
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} else if (do_txt) {
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char rtext[sizeof(text1) + 1 /* more space than needed */];
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res = TEST_int_eq(BIO_gets(rsp, rtext, sizeof(rtext)),
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sizeof(text1) - 1)
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&& TEST_str_eq(rtext, text1);
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} else {
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X509 *rcert = d2i_X509_bio(rsp, NULL);
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res = TEST_ptr(rcert) && TEST_int_eq(X509_cmp(x509, rcert), 0);
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X509_free(rcert);
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}
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BIO_free(rsp);
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}
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err:
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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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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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const char *const content_type = "application/x-x509-ca-cert";
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server_args mock_args = { NULL, NULL, NULL, '0', 0 };
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OSSL_HTTP_REQ_CTX *rctx = NULL;
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int i, res = 0;
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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.content_type = content_type;
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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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static int test_http_get_txt(void)
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{
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return test_http_method(1 /* GET */, 1);
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}
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static int test_http_post_txt(void)
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{
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return test_http_method(0 /* POST */, 1);
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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_method(1 /* GET */, 0); /* includes redirection */
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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_method(0 /* POST */, 0);
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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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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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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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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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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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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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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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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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void cleanup_tests(void)
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{
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X509_free(x509);
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}
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OPT_TEST_DECLARE_USAGE("cert.pem\n")
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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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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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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_txt);
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ADD_TEST(test_http_post_txt);
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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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