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
25 #include "test.h"
26 #include "testutil.h"
27 #include "testtrace.h"
28 #include "memdebug.h"
29
30 struct libtest_trace_cfg libtest_debug_config;
31
32 static time_t epoch_offset; /* for test time tracing */
33 static int known_offset; /* for test time tracing */
34
35 static
libtest_debug_dump(const char * timebuf,const char * text,FILE * stream,const unsigned char * ptr,size_t size,int nohex)36 void libtest_debug_dump(const char *timebuf, const char *text, FILE *stream,
37 const unsigned char *ptr, size_t size, int nohex)
38 {
39 size_t i;
40 size_t c;
41
42 unsigned int width = 0x10;
43
44 if(nohex)
45 /* without the hex output, we can fit more on screen */
46 width = 0x40;
47
48 fprintf(stream, "%s%s, %zu bytes (0x%zx)\n", timebuf, text,
49 size, size);
50
51 for(i = 0; i < size; i += width) {
52
53 fprintf(stream, "%04zx: ", i);
54
55 if(!nohex) {
56 /* hex not disabled, show it */
57 for(c = 0; c < width; c++)
58 if(i + c < size)
59 fprintf(stream, "%02x ", ptr[i + c]);
60 else
61 fputs(" ", stream);
62 }
63
64 for(c = 0; (c < width) && (i + c < size); c++) {
65 /* check for 0D0A; if found, skip past and start a new line of output */
66 if(nohex &&
67 (i + c + 1 < size) && (ptr[i + c] == 0x0D) &&
68 (ptr[i + c + 1] == 0x0A)) {
69 i += (c + 2 - width);
70 break;
71 }
72 fprintf(stream, "%c", ((ptr[i + c] >= 0x20) && (ptr[i + c] < 0x80)) ?
73 ptr[i + c] : '.');
74 /* check again for 0D0A, to avoid an extra \n if it's at width */
75 if(nohex &&
76 (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
libtest_debug_cb(CURL * handle,curl_infotype type,unsigned char * data,size_t size,void * userp)87 int libtest_debug_cb(CURL *handle, curl_infotype type,
88 unsigned char *data, size_t size,
89 void *userp)
90 {
91
92 struct libtest_trace_cfg *trace_cfg = userp;
93 const char *text;
94 struct timeval tv;
95 char timebuf[20];
96 char *timestr;
97 time_t secs;
98
99 (void)handle;
100
101 timebuf[0] = '\0';
102 timestr = &timebuf[0];
103
104 if(trace_cfg->tracetime) {
105 struct tm *now;
106 tv = tutil_tvnow();
107 if(!known_offset) {
108 epoch_offset = time(NULL) - tv.tv_sec;
109 known_offset = 1;
110 }
111 secs = epoch_offset + tv.tv_sec;
112 now = localtime(&secs); /* not thread safe but we don't care */
113 msnprintf(timebuf, sizeof(timebuf), "%02d:%02d:%02d.%06ld ",
114 now->tm_hour, now->tm_min, now->tm_sec, (long)tv.tv_usec);
115 }
116
117 switch(type) {
118 case CURLINFO_TEXT:
119 fprintf(stderr, "%s== Info: %s", timestr, (char *)data);
120 return 0;
121 case CURLINFO_HEADER_OUT:
122 text = "=> Send header";
123 break;
124 case CURLINFO_DATA_OUT:
125 text = "=> Send data";
126 break;
127 case CURLINFO_SSL_DATA_OUT:
128 text = "=> Send SSL data";
129 break;
130 case CURLINFO_HEADER_IN:
131 text = "<= Recv header";
132 break;
133 case CURLINFO_DATA_IN:
134 text = "<= Recv data";
135 break;
136 case CURLINFO_SSL_DATA_IN:
137 text = "<= Recv SSL data";
138 break;
139 default: /* in case a new one is introduced to shock us */
140 return 0;
141 }
142
143 libtest_debug_dump(timebuf, text, stderr, data, size, trace_cfg->nohex);
144 return 0;
145 }
146
