mirror of
https://github.com/moparisthebest/curl
synced 2024-11-15 05:55:04 -05:00
5c7455fe76
Make the number parser aware of the maximum limit curl accepts for a value and return an error immediately if larger, instead of running an integer overflow later. Fixes #1730 Closes #1736
121 lines
3.6 KiB
C
121 lines
3.6 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 - 2017, 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 "tool_setup.h"
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#include "strcase.h"
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#define ENABLE_CURLX_PRINTF
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/* use our own printf() functions */
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#include "curlx.h"
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#include "tool_cfgable.h"
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#include "tool_msgs.h"
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#include "tool_getparam.h"
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#include "tool_helpers.h"
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#include "memdebug.h" /* keep this as LAST include */
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/*
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** Helper functions that are used from more than one source file.
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*/
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const char *param2text(int res)
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{
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ParameterError error = (ParameterError)res;
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switch(error) {
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case PARAM_GOT_EXTRA_PARAMETER:
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return "had unsupported trailing garbage";
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case PARAM_OPTION_UNKNOWN:
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return "is unknown";
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case PARAM_OPTION_AMBIGUOUS:
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return "is ambiguous";
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case PARAM_REQUIRES_PARAMETER:
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return "requires parameter";
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case PARAM_BAD_USE:
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return "is badly used here";
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case PARAM_BAD_NUMERIC:
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return "expected a proper numerical parameter";
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case PARAM_NEGATIVE_NUMERIC:
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return "expected a positive numerical parameter";
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case PARAM_LIBCURL_DOESNT_SUPPORT:
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return "the installed libcurl version doesn't support this";
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case PARAM_LIBCURL_UNSUPPORTED_PROTOCOL:
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return "a specified protocol is unsupported by libcurl";
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case PARAM_NO_MEM:
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return "out of memory";
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case PARAM_NO_PREFIX:
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return "the given option can't be reversed with a --no- prefix";
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case PARAM_NUMBER_TOO_LARGE:
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return "too large number";
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default:
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return "unknown error";
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}
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}
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int SetHTTPrequest(struct OperationConfig *config, HttpReq req, HttpReq *store)
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{
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/* this mirrors the HttpReq enum in tool_sdecls.h */
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const char *reqname[]= {
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"", /* unspec */
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"GET (-G, --get)",
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"HEAD (-I, --head)",
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"multipart formpost (-F, --form)",
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"POST (-d, --data)"
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};
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if((*store == HTTPREQ_UNSPEC) ||
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(*store == req)) {
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*store = req;
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return 0;
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}
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warnf(config->global, "You can only select one HTTP request method! "
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"You asked for both %s and %s.\n",
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reqname[req], reqname[*store]);
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return 1;
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}
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void customrequest_helper(struct OperationConfig *config, HttpReq req,
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char *method)
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{
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/* this mirrors the HttpReq enum in tool_sdecls.h */
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const char *dflt[]= {
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"GET",
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"GET",
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"HEAD",
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"POST",
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"POST"
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};
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if(!method)
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;
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else if(curl_strequal(method, dflt[req])) {
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notef(config->global, "Unnecessary use of -X or --request, %s is already "
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"inferred.\n", dflt[req]);
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}
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else if(curl_strequal(method, "head")) {
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warnf(config->global,
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"Setting custom HTTP method to HEAD with -X/--request may not work "
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"the way you want. Consider using -I/--head instead.\n");
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}
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}
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