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https://github.com/moparisthebest/curl
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6ebe63fac2
const struct curl_easyoption *curl_easy_option_by_name(const char *name); const struct curl_easyoption *curl_easy_option_by_id (CURLoption id); const struct curl_easyoption * curl_easy_option_next(const struct curl_easyoption *prev); The purpose is to provide detailed enough information to allow for example libcurl bindings to get option information at run-time about what easy options that exist and what arguments they expect. Assisted-by: Jeroen Ooms Closes #5365
88 lines
2.7 KiB
C
88 lines
2.7 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 - 2020, 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.haxx.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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***************************************************************************/
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#include "test.h"
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#include "testutil.h"
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#include "warnless.h"
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#include "memdebug.h"
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/* The maximum string length limit (CURL_MAX_INPUT_LENGTH) is an internal
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define not publicly exposed so we set our own */
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#define MAX_INPUT_LENGTH 8000000
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static char buffer[MAX_INPUT_LENGTH + 2];
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int test(char *URL)
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{
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const struct curl_easyoption *o;
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CURL *easy;
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int error = 0;
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(void)URL;
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easy = curl_easy_init();
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if(!easy)
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return 1;
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/* make it a zero terminated C string with just As */
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memset(buffer, 'A', MAX_INPUT_LENGTH + 1);
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buffer[MAX_INPUT_LENGTH + 1] = 0;
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printf("string length: %d\n", (int)strlen(buffer));
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for(o = curl_easy_option_next(NULL);
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o;
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o = curl_easy_option_next(o)) {
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if(o->type == CURLOT_STRING) {
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CURLcode result;
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/*
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* Whitelist string options that are safe for abuse
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*/
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switch(o->id) {
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case CURLOPT_PROXY_TLSAUTH_TYPE:
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case CURLOPT_TLSAUTH_TYPE:
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continue;
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default:
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/* check this */
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break;
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}
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/* This is a string. Make sure that passing in a string longer
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CURL_MAX_INPUT_LENGTH returns an error */
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result = curl_easy_setopt(easy, o->id, buffer);
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switch(result) {
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case CURLE_BAD_FUNCTION_ARGUMENT: /* the most normal */
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case CURLE_UNKNOWN_OPTION: /* left out from the build */
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case CURLE_NOT_BUILT_IN: /* not supported */
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break;
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default:
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/* all other return codes are unexpected */
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fprintf(stderr, "curl_easy_setopt(%s...) returned %d\n",
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o->name, (int)result);
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error++;
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break;
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}
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}
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}
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curl_easy_cleanup(easy);
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return error;
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}
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