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https://github.com/curl/curl.git
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142 lines
4.4 KiB
C
142 lines
4.4 KiB
C
/***************************************************************************
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* _ _ ____ _
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* Project ___| | | | _ \| |
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* / __| | | | |_) | |
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* | (__| |_| | _ <| |___
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* \___|\___/|_| \_\_____|
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*
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* Copyright (C) 1998 - 2022, Daniel Stenberg, <daniel@haxx.se>, et al.
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*
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* This software is licensed as described in the file COPYING, which
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* you should have received as part of this distribution. The terms
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* are also available at https://curl.se/docs/copyright.html.
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*
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* You may opt to use, copy, modify, merge, publish, distribute and/or sell
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* copies of the Software, and permit persons to whom the Software is
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* furnished to do so, under the terms of the COPYING file.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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* SPDX-License-Identifier: curl
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*
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***************************************************************************/
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#include "curlcheck.h"
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#include "urldata.h"
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#include "sendf.h"
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/*
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* This test hardcodes the knowledge of the buffer size which is internal to
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* Curl_infof(). If that buffer is changed in size, this tests needs to be
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* updated to still be valid.
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*/
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static struct Curl_easy *data;
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static char input[4096];
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static char result[4096];
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int debugf_cb(CURL *handle, curl_infotype type, char *buf, size_t size,
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void *userptr);
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/*
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* This debugf callback is simply dumping the string into the static buffer
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* for the unit test to inspect. Since we know that we're only dealing with
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* text we can afford the luxury of skipping the type check here.
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*/
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int
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debugf_cb(CURL *handle, curl_infotype type, char *buf, size_t size,
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void *userptr)
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{
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(void)handle;
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(void)type;
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(void)userptr;
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memset(result, '\0', sizeof(result));
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memcpy(result, buf, size);
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return 0;
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}
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static CURLcode
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unit_setup(void)
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{
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CURLcode res = CURLE_OK;
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global_init(CURL_GLOBAL_ALL);
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data = curl_easy_init();
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if(!data) {
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curl_global_cleanup();
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return CURLE_OUT_OF_MEMORY;
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}
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curl_easy_setopt(data, CURLOPT_DEBUGFUNCTION, debugf_cb);
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curl_easy_setopt(data, CURLOPT_VERBOSE, 1L);
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return res;
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}
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static void
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unit_stop(void)
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{
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curl_easy_cleanup(data);
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curl_global_cleanup();
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}
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static int verify(const char *info, const char *two)
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{
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/* the 'info' one has a newline appended */
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char *nl = strchr(info, '\n');
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if(!nl)
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return 1; /* nope */
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return strncmp(info, two, nl - info);
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}
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UNITTEST_START
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/* Injecting a simple short string via a format */
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msnprintf(input, sizeof(input), "Simple Test");
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Curl_infof(data, "%s", input);
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fail_unless(verify(result, input) == 0, "Simple string test");
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/* Injecting a few different variables with a format */
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Curl_infof(data, "%s %u testing %lu", input, 42, 43L);
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fail_unless(verify(result, "Simple Test 42 testing 43\n") == 0,
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"Format string");
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/* Variations of empty strings */
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Curl_infof(data, "");
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fail_unless(strlen(result) == 1, "Empty string");
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Curl_infof(data, "%s", NULL);
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fail_unless(verify(result, "(nil)") == 0, "Passing NULL as string");
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/* A string just long enough to not be truncated */
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memset(input, '\0', sizeof(input));
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memset(input, 'A', 2047);
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Curl_infof(data, "%s", input);
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fail_unless(strlen(result) == 2048, "No truncation of infof input");
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fail_unless(verify(result, input) == 0, "No truncation of infof input");
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fail_unless(result[sizeof(result) - 1] == '\0',
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"No truncation of infof input");
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/* Just over the limit for truncation without newline */
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memset(input + 2047, 'A', 4);
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Curl_infof(data, "%s", input);
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fail_unless(strlen(result) == 2048, "Truncation of infof input 1");
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fail_unless(result[sizeof(result) - 1] == '\0', "Truncation of infof input 1");
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/* Just over the limit for truncation with newline */
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memset(input + 2047, 'A', 4);
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memset(input + 2047 + 4, '\n', 1);
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Curl_infof(data, "%s", input);
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fail_unless(strlen(result) == 2048, "Truncation of infof input 2");
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fail_unless(result[sizeof(result) - 1] == '\0', "Truncation of infof input 2");
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/* Way over the limit for truncation with newline */
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memset(input, '\0', sizeof(input));
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memset(input, 'A', sizeof(input) - 1);
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Curl_infof(data, "%s", input);
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fail_unless(strlen(result) == 2048, "Truncation of infof input 3");
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fail_unless(result[sizeof(result) - 1] == '\0', "Truncation of infof input 3");
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UNITTEST_STOP
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