1 /***************************************************************************
2  *                                  _   _ ____  _
3  *  Project                     ___| | | |  _ \| |
4  *                             / __| | | | |_) | |
5  *                            | (__| |_| |  _ <| |___
6  *                             \___|\___/|_| \_\_____|
7  *
8  * Copyright (C) 1998 - 2020, 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.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 "test.h"
23 
24 #include "memdebug.h"
25 
26 static char data[] =
27 #ifdef CURL_DOES_CONVERSIONS
28   /* ASCII representation with escape sequences for non-ASCII platforms */
29   "\x74\x68\x69\x73\x20\x69\x73\x20\x77\x68\x61\x74\x20\x77\x65\x20\x70"
30   "\x6f\x73\x74\x20\x74\x6f\x20\x74\x68\x65\x20\x73\x69\x6c\x6c\x79\x20"
31   "\x77\x65\x62\x20\x73\x65\x72\x76\x65\x72";
32 #else
33   "this is what we post to the silly web server";
34 #endif
35 
36 static const char name[] = "fieldname";
37 
38 
39 /* This test attempts to use all form API features that are not
40  * used elsewhere.
41  */
42 
43 /* curl_formget callback to count characters. */
count_chars(void * userp,const char * buf,size_t len)44 static size_t count_chars(void *userp, const char *buf, size_t len)
45 {
46   size_t *pcounter = (size_t *) userp;
47 
48   (void) buf;
49   *pcounter += len;
50   return len;
51 }
52 
53 
test(char * URL)54 int test(char *URL)
55 {
56   CURL *curl = NULL;
57   CURLcode res = TEST_ERR_MAJOR_BAD;
58   CURLFORMcode formrc;
59   struct curl_slist *headers, *headers2 = NULL;
60   struct curl_httppost *formpost = NULL;
61   struct curl_httppost *lastptr = NULL;
62   struct curl_forms formarray[3];
63   size_t formlength = 0;
64   char flbuf[32];
65   long contentlength = 0;
66 
67   if(curl_global_init(CURL_GLOBAL_ALL) != CURLE_OK) {
68     fprintf(stderr, "curl_global_init() failed\n");
69     return TEST_ERR_MAJOR_BAD;
70   }
71 
72   /* Check proper name and data copying, as well as headers. */
73   headers = curl_slist_append(NULL, "X-customheader-1: Header 1 data");
74   if(!headers) {
75     goto test_cleanup;
76   }
77   headers2 = curl_slist_append(headers, "X-customheader-2: Header 2 data");
78   if(!headers2) {
79     goto test_cleanup;
80   }
81   headers = headers2;
82   headers2 = curl_slist_append(headers, "Content-Type: text/plain");
83   if(!headers2) {
84     goto test_cleanup;
85   }
86   headers = headers2;
87   formrc = curl_formadd(&formpost, &lastptr,
88                         CURLFORM_COPYNAME, &name,
89                         CURLFORM_COPYCONTENTS, &data,
90                         CURLFORM_CONTENTHEADER, headers,
91                         CURLFORM_END);
92 
93   if(formrc) {
94     printf("curl_formadd(1) = %d\n", (int) formrc);
95     goto test_cleanup;
96   }
97 
98   contentlength = (long)(strlen(data) - 1);
99 
100   /* Use a form array for the non-copy test. */
101   formarray[0].option = CURLFORM_PTRCONTENTS;
102   formarray[0].value = data;
103   formarray[1].option = CURLFORM_CONTENTSLENGTH;
104   formarray[1].value = (char *)(size_t)contentlength;
105   formarray[2].option = CURLFORM_END;
106   formarray[2].value = NULL;
107   formrc = curl_formadd(&formpost,
108                         &lastptr,
109                         CURLFORM_PTRNAME, name,
110                         CURLFORM_NAMELENGTH, strlen(name) - 1,
111                         CURLFORM_ARRAY, formarray,
112                         CURLFORM_FILENAME, "remotefile.txt",
113                         CURLFORM_END);
114 
115   if(formrc) {
116     printf("curl_formadd(2) = %d\n", (int) formrc);
117     goto test_cleanup;
118   }
119 
120   /* Now change in-memory data to affect CURLOPT_PTRCONTENTS value.
121      Copied values (first field) must not be affected.
122      CURLOPT_PTRNAME actually copies the name thus we do not test this here. */
123   data[0]++;
124 
125   /* Check multi-files and content type propagation. */
126   formrc = curl_formadd(&formpost,
127                         &lastptr,
128                         CURLFORM_COPYNAME, "multifile",
129                         CURLFORM_FILE, libtest_arg2,    /* Set in first.c. */
130                         CURLFORM_FILE, libtest_arg2,
131                         CURLFORM_CONTENTTYPE, "text/whatever",
132                         CURLFORM_FILE, libtest_arg2,
133                         CURLFORM_END);
134 
135   if(formrc) {
136     printf("curl_formadd(3) = %d\n", (int) formrc);
137     goto test_cleanup;
138   }
139 
140   /* Check data from file content. */
141   formrc = curl_formadd(&formpost,
142                         &lastptr,
143                         CURLFORM_COPYNAME, "filecontents",
144                         CURLFORM_FILECONTENT, libtest_arg2,
145                         CURLFORM_END);
146 
147   if(formrc) {
148     printf("curl_formadd(4) = %d\n", (int) formrc);
149     goto test_cleanup;
150   }
151 
152   /* Measure the current form length.
153    * This is done before including stdin data because we want to reuse it
154    * and stdin cannot be rewound.
155    */
156   curl_formget(formpost, (void *) &formlength, count_chars);
157 
158   /* Include length in data for external check. */
159   curl_msnprintf(flbuf, sizeof(flbuf), "%lu", (unsigned long) formlength);
160   formrc = curl_formadd(&formpost,
161                         &lastptr,
162                         CURLFORM_COPYNAME, "formlength",
163                         CURLFORM_COPYCONTENTS, &flbuf,
164                         CURLFORM_END);
165   if(formrc) {
166     printf("curl_formadd(5) = %d\n", (int) formrc);
167     goto test_cleanup;
168   }
169 
170   /* Check stdin (may be problematic on some platforms). */
171   formrc = curl_formadd(&formpost,
172                         &lastptr,
173                         CURLFORM_COPYNAME, "standardinput",
174                         CURLFORM_FILE, "-",
175                         CURLFORM_END);
176   if(formrc) {
177     printf("curl_formadd(6) = %d\n", (int) formrc);
178     goto test_cleanup;
179   }
180 
181   curl = curl_easy_init();
182   if(!curl) {
183     fprintf(stderr, "curl_easy_init() failed\n");
184     goto test_cleanup;
185   }
186 
187   /* First set the URL that is about to receive our POST. */
188   test_setopt(curl, CURLOPT_URL, URL);
189 
190   /* send a multi-part formpost */
191   test_setopt(curl, CURLOPT_HTTPPOST, formpost);
192 
193   /* get verbose debug output please */
194   test_setopt(curl, CURLOPT_VERBOSE, 1L);
195 
196   /* include headers in the output */
197   test_setopt(curl, CURLOPT_HEADER, 1L);
198 
199   /* Perform the request, res will get the return code */
200   res = curl_easy_perform(curl);
201 
202 test_cleanup:
203 
204   /* always cleanup */
205   curl_easy_cleanup(curl);
206 
207   /* now cleanup the formpost chain */
208   curl_formfree(formpost);
209   curl_slist_free_all(headers);
210 
211   curl_global_cleanup();
212 
213   return res;
214 }
215