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1 /***************************************************************************
2  *                                  _   _ ____  _
3  *  Project                     ___| | | |  _ \| |
4  *                             / __| | | | |_) | |
5  *                            | (__| |_| |  _ <| |___
6  *                             \___|\___/|_| \_\_____|
7  *
8  * Copyright (C) 1998 - 2016, 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 
param2text(int res)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   default:
66     return "unknown error";
67   }
68 }
69 
SetHTTPrequest(struct OperationConfig * config,HttpReq req,HttpReq * store)70 int SetHTTPrequest(struct OperationConfig *config, HttpReq req, HttpReq *store)
71 {
72   /* this mirrors the HttpReq enum in tool_sdecls.h */
73   const char *reqname[]= {
74     "", /* unspec */
75     "GET (-G, --get)",
76     "HEAD (-I, --head)",
77     "multipart formpost (-F, --form)",
78     "POST (-d, --data)"
79   };
80 
81   if((*store == HTTPREQ_UNSPEC) ||
82      (*store == req)) {
83     *store = req;
84     return 0;
85   }
86   warnf(config->global, "You can only select one HTTP request method! "
87         "You asked for both %s and %s.\n",
88         reqname[req], reqname[*store]);
89 
90   return 1;
91 }
92 
customrequest_helper(struct OperationConfig * config,HttpReq req,char * method)93 void customrequest_helper(struct OperationConfig *config, HttpReq req,
94                           char *method)
95 {
96   /* this mirrors the HttpReq enum in tool_sdecls.h */
97   const char *dflt[]= {
98     "GET",
99     "GET",
100     "HEAD",
101     "POST",
102     "POST"
103   };
104 
105   if(!method)
106     ;
107   else if(curl_strequal(method, dflt[req])) {
108     notef(config->global, "Unnecessary use of -X or --request, %s is already "
109           "inferred.\n", dflt[req]);
110   }
111   else if(curl_strequal(method, "head")) {
112     warnf(config->global,
113           "Setting custom HTTP method to HEAD with -X/--request may not work "
114           "the way you want. Consider using -I/--head instead.\n");
115   }
116 }
117