1 /***************************************************************************
2 * _ _ ____ _
3 * Project ___| | | | _ \| |
4 * / __| | | | |_) | |
5 * | (__| |_| | _ <| |___
6 * \___|\___/|_| \_\_____|
7 *
8 * Copyright (C) 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 * SPDX-License-Identifier: curl
22 *
23 ***************************************************************************/
24 /* argv1 = URL
25 * argv2 = proxy with embedded user+password
26 */
27
28 #include "test.h"
29
30 #include "warnless.h"
31 #include "memdebug.h"
32
33 struct data {
34 char trace_ascii; /* 1 or 0 */
35 };
36
37 static
dump(const char * text,FILE * stream,unsigned char * ptr,size_t size,char nohex)38 void dump(const char *text,
39 FILE *stream, unsigned char *ptr, size_t size,
40 char nohex)
41 {
42 size_t i;
43 size_t c;
44
45 unsigned int width = 0x10;
46
47 if(nohex)
48 /* without the hex output, we can fit more on screen */
49 width = 0x40;
50
51 fprintf(stream, "%s, %zu bytes (0x%zx)\n", text, size, size);
52
53 for(i = 0; i<size; i += width) {
54
55 fprintf(stream, "%04zx: ", i);
56
57 if(!nohex) {
58 /* hex not disabled, show it */
59 for(c = 0; c < width; c++)
60 if(i + c < size)
61 fprintf(stream, "%02x ", ptr[i + c]);
62 else
63 fputs(" ", stream);
64 }
65
66 for(c = 0; (c < width) && (i + c < size); c++) {
67 /* check for 0D0A; if found, skip past and start a new line of output */
68 if(nohex && (i + c + 1 < size) && ptr[i + c] == 0x0D &&
69 ptr[i + c + 1] == 0x0A) {
70 i += (c + 2 - width);
71 break;
72 }
73 fprintf(stream, "%c",
74 (ptr[i + c] >= 0x20) && (ptr[i + c]<0x80)? ptr[i + c] : '.');
75 /* check again for 0D0A, to avoid an extra \n if it's at width */
76 if(nohex && (i + c + 2 < size) && ptr[i + c + 1] == 0x0D &&
77 ptr[i + c + 2] == 0x0A) {
78 i += (c + 3 - width);
79 break;
80 }
81 }
82 fputc('\n', stream); /* newline */
83 }
84 fflush(stream);
85 }
86
87 static
my_trace(CURL * handle,curl_infotype type,char * data,size_t size,void * userp)88 int my_trace(CURL *handle, curl_infotype type,
89 char *data, size_t size,
90 void *userp)
91 {
92 struct data *config = (struct data *)userp;
93 const char *text;
94 (void)handle; /* prevent compiler warning */
95
96 switch(type) {
97 case CURLINFO_TEXT:
98 fprintf(stderr, "== Info: %s", (char *)data);
99 return 0;
100 case CURLINFO_HEADER_OUT:
101 text = "=> Send header";
102 break;
103 case CURLINFO_DATA_OUT:
104 text = "=> Send data";
105 break;
106 case CURLINFO_SSL_DATA_OUT:
107 text = "=> Send SSL data";
108 break;
109 case CURLINFO_HEADER_IN:
110 text = "<= Recv header";
111 break;
112 case CURLINFO_DATA_IN:
113 text = "<= Recv data";
114 break;
115 case CURLINFO_SSL_DATA_IN:
116 text = "<= Recv SSL data";
117 break;
118 default: /* in case a new one is introduced to shock us */
119 return 0;
120 }
121
122 dump(text, stderr, (unsigned char *)data, size, config->trace_ascii);
123 return 0;
124 }
125
126
127 static size_t current_offset = 0;
128 static char databuf[70000]; /* MUST be more than 64k OR
129 MAX_INITIAL_POST_SIZE */
130
read_callback(char * ptr,size_t size,size_t nmemb,void * stream)131 static size_t read_callback(char *ptr, size_t size, size_t nmemb, void *stream)
132 {
133 size_t amount = nmemb * size; /* Total bytes curl wants */
134 size_t available = sizeof(databuf) - current_offset; /* What we have to
135 give */
136 size_t given = amount < available ? amount : available; /* What is given */
137 (void)stream;
138 memcpy(ptr, databuf + current_offset, given);
139 current_offset += given;
140 return given;
141 }
142
143
write_callback(void * ptr,size_t size,size_t nmemb,void * stream)144 static size_t write_callback(void *ptr, size_t size, size_t nmemb,
145 void *stream)
146 {
147 int amount = curlx_uztosi(size * nmemb);
148 printf("%.*s", amount, (char *)ptr);
149 (void)stream;
150 return size * nmemb;
151 }
152
153
ioctl_callback(CURL * handle,int cmd,void * clientp)154 static curlioerr ioctl_callback(CURL *handle, int cmd, void *clientp)
155 {
156 (void)clientp;
157 if(cmd == CURLIOCMD_RESTARTREAD) {
158 printf("APPLICATION received a CURLIOCMD_RESTARTREAD request\n");
159 printf("APPLICATION ** REWINDING! **\n");
160 current_offset = 0;
161 return CURLIOE_OK;
162 }
163 (void)handle;
164 return CURLIOE_UNKNOWNCMD;
165 }
166
167
168
test(char * URL)169 CURLcode test(char *URL)
170 {
171 CURL *curl;
172 CURLcode res = CURLE_OK;
173 struct data config;
174 size_t i;
175 static const char fill[] = "test data";
176
177 config.trace_ascii = 1; /* enable ascii tracing */
178
179 global_init(CURL_GLOBAL_ALL);
180 easy_init(curl);
181
182 test_setopt(curl, CURLOPT_DEBUGFUNCTION, my_trace);
183 test_setopt(curl, CURLOPT_DEBUGDATA, &config);
184 /* the DEBUGFUNCTION has no effect until we enable VERBOSE */
185 test_setopt(curl, CURLOPT_VERBOSE, 1L);
186
187 /* setup repeated data string */
188 for(i = 0; i < sizeof(databuf); ++i)
189 databuf[i] = fill[i % sizeof(fill)];
190
191 /* Post */
192 test_setopt(curl, CURLOPT_POST, 1L);
193
194 /* Setup read callback */
195 test_setopt(curl, CURLOPT_POSTFIELDSIZE, (long) sizeof(databuf));
196 test_setopt(curl, CURLOPT_READFUNCTION, read_callback);
197
198 /* Write callback */
199 test_setopt(curl, CURLOPT_WRITEFUNCTION, write_callback);
200
201 /* Ioctl function */
202 CURL_IGNORE_DEPRECATION(
203 test_setopt(curl, CURLOPT_IOCTLFUNCTION, ioctl_callback);
204 )
205
206 test_setopt(curl, CURLOPT_PROXY, libtest_arg2);
207
208 test_setopt(curl, CURLOPT_URL, URL);
209
210 /* Accept any auth. But for this bug configure proxy with DIGEST, basic
211 might work too, not NTLM */
212 test_setopt(curl, CURLOPT_PROXYAUTH, (long)CURLAUTH_ANY);
213
214 res = curl_easy_perform(curl);
215
216 test_cleanup:
217
218 curl_easy_cleanup(curl);
219 curl_global_cleanup();
220 return res;
221 }
222
