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    1: /***************************************************************************
    2:  *                                  _   _ ____  _
    3:  *  Project                     ___| | | |  _ \| |
    4:  *                             / __| | | | |_) | |
    5:  *                            | (__| |_| |  _ <| |___
    6:  *                             \___|\___/|_| \_\_____|
    7:  *
    8:  * Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
    9:  *
   10:  * This software is licensed as described in the file COPYING, which
   11:  * you should have received as part of this distribution. The terms
   12:  * are also available at https://curl.haxx.se/docs/copyright.html.
   13:  *
   14:  * You may opt to use, copy, modify, merge, publish, distribute and/or sell
   15:  * copies of the Software, and permit persons to whom the Software is
   16:  * furnished to do so, under the terms of the COPYING file.
   17:  *
   18:  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
   19:  * KIND, either express or implied.
   20:  *
   21:  ***************************************************************************/
   22: #include "tool_setup.h"
   23: 
   24: #include "strcase.h"
   25: 
   26: #define ENABLE_CURLX_PRINTF
   27: /* use our own printf() functions */
   28: #include "curlx.h"
   29: 
   30: #include "tool_cfgable.h"
   31: #include "tool_msgs.h"
   32: #include "tool_getparam.h"
   33: #include "tool_helpers.h"
   34: 
   35: #include "memdebug.h" /* keep this as LAST include */
   36: 
   37: /*
   38: ** Helper functions that are used from more than one source file.
   39: */
   40: 
   41: const char *param2text(int res)
   42: {
   43:   ParameterError error = (ParameterError)res;
   44:   switch(error) {
   45:   case PARAM_GOT_EXTRA_PARAMETER:
   46:     return "had unsupported trailing garbage";
   47:   case PARAM_OPTION_UNKNOWN:
   48:     return "is unknown";
   49:   case PARAM_OPTION_AMBIGUOUS:
   50:     return "is ambiguous";
   51:   case PARAM_REQUIRES_PARAMETER:
   52:     return "requires parameter";
   53:   case PARAM_BAD_USE:
   54:     return "is badly used here";
   55:   case PARAM_BAD_NUMERIC:
   56:     return "expected a proper numerical parameter";
   57:   case PARAM_NEGATIVE_NUMERIC:
   58:     return "expected a positive numerical parameter";
   59:   case PARAM_LIBCURL_DOESNT_SUPPORT:
   60:     return "the installed libcurl version doesn't support this";
   61:   case PARAM_LIBCURL_UNSUPPORTED_PROTOCOL:
   62:     return "a specified protocol is unsupported by libcurl";
   63:   case PARAM_NO_MEM:
   64:     return "out of memory";
   65:   case PARAM_NO_PREFIX:
   66:     return "the given option can't be reversed with a --no- prefix";
   67:   case PARAM_NUMBER_TOO_LARGE:
   68:     return "too large number";
   69:   case PARAM_NO_NOT_BOOLEAN:
   70:     return "used '--no-' for option that isn't a boolean";
   71:   default:
   72:     return "unknown error";
   73:   }
   74: }
   75: 
   76: int SetHTTPrequest(struct OperationConfig *config, HttpReq req, HttpReq *store)
   77: {
   78:   /* this mirrors the HttpReq enum in tool_sdecls.h */
   79:   const char *reqname[]= {
   80:     "", /* unspec */
   81:     "GET (-G, --get)",
   82:     "HEAD (-I, --head)",
   83:     "multipart formpost (-F, --form)",
   84:     "POST (-d, --data)"
   85:   };
   86: 
   87:   if((*store == HTTPREQ_UNSPEC) ||
   88:      (*store == req)) {
   89:     *store = req;
   90:     return 0;
   91:   }
   92:   warnf(config->global, "You can only select one HTTP request method! "
   93:         "You asked for both %s and %s.\n",
   94:         reqname[req], reqname[*store]);
   95: 
   96:   return 1;
   97: }
   98: 
   99: void customrequest_helper(struct OperationConfig *config, HttpReq req,
  100:                           char *method)
  101: {
  102:   /* this mirrors the HttpReq enum in tool_sdecls.h */
  103:   const char *dflt[]= {
  104:     "GET",
  105:     "GET",
  106:     "HEAD",
  107:     "POST",
  108:     "POST"
  109:   };
  110: 
  111:   if(!method)
  112:     ;
  113:   else if(curl_strequal(method, dflt[req])) {
  114:     notef(config->global, "Unnecessary use of -X or --request, %s is already "
  115:           "inferred.\n", dflt[req]);
  116:   }
  117:   else if(curl_strequal(method, "head")) {
  118:     warnf(config->global,
  119:           "Setting custom HTTP method to HEAD with -X/--request may not work "
  120:           "the way you want. Consider using -I/--head instead.\n");
  121:   }
  122: }