int tool_debug_cb(CURL *handle, curl_infotype type,
unsigned char *data, size_t size,
void *userdata)
{
struct OperationConfig *config = userdata;
FILE *output = config->errors;
const char *text;
struct timeval tv;
struct tm *now;
char timebuf[20];
time_t secs;
static time_t epoch_offset;
static int known_offset;
(void)handle; /* not used */
if(config->tracetime) {
tv = tvnow();
if(!known_offset) {
epoch_offset = time(NULL) - tv.tv_sec;
known_offset = 1;
}
secs = epoch_offset + tv.tv_sec;
now = localtime(&secs); /* not thread safe but we don't care */
snprintf(timebuf, sizeof(timebuf), "%02d:%02d:%02d.%06ld ",
now->tm_hour, now->tm_min, now->tm_sec, (long)tv.tv_usec);
}
else
timebuf[0] = 0;
if(!config->trace_stream) {
/* open for append */
if(curlx_strequal("-", config->trace_dump))
config->trace_stream = stdout;
else if(curlx_strequal("%", config->trace_dump))
/* Ok, this is somewhat hackish but we do it undocumented for now */
config->trace_stream = config->errors; /* aka stderr */
else {
config->trace_stream = fopen(config->trace_dump, "w");
config->trace_fopened = TRUE;
}
}
if(config->trace_stream)
output = config->trace_stream;
if(!output) {
warnf(config, "Failed to create/open output");
return 0;
}
if(config->tracetype == TRACE_PLAIN) {
/*
* This is the trace look that is similar to what libcurl makes on its
* own.
*/
static const char * const s_infotype[] = {
"*", "<", ">", "{", "}", "{", "}"
};
size_t i;
size_t st = 0;
static bool newl = FALSE;
static bool traced_data = FALSE;
switch(type) {
case CURLINFO_HEADER_OUT:
if(size > 0) {
for(i = 0; i < size - 1; i++) {
if(data[i] == '\n') { /* LF */
if(!newl) {
fprintf(output, "%s%s ", timebuf, s_infotype[type]);
}
(void)fwrite(data + st, i - st + 1, 1, output);
st = i + 1;
newl = FALSE;
}
}
if(!newl)
fprintf(output, "%s%s ", timebuf, s_infotype[type]);
(void)fwrite(data + st, i - st + 1, 1, output);
}
newl = (size && (data[size - 1] != '\n')) ? TRUE : FALSE;
traced_data = FALSE;
break;
case CURLINFO_TEXT:
case CURLINFO_HEADER_IN:
if(!newl)
fprintf(output, "%s%s ", timebuf, s_infotype[type]);
(void)fwrite(data, size, 1, output);
newl = (size && (data[size - 1] != '\n')) ? TRUE : FALSE;
traced_data = FALSE;
break;
case CURLINFO_DATA_OUT:
case CURLINFO_DATA_IN:
case CURLINFO_SSL_DATA_IN:
case CURLINFO_SSL_DATA_OUT:
if(!traced_data) {
/* if the data is output to a tty and we're sending this debug trace
to stderr or stdout, we don't display the alert about the data not
being shown as the data _is_ shown then just not via this
function */
if(!config->isatty ||
((output != stderr) && (output != stdout))) {
if(!newl)
fprintf(output, "%s%s ", timebuf, s_infotype[type]);
fprintf(output, "[data not shown]\n");
newl = FALSE;
traced_data = TRUE;
}
}
break;
default: /* nada */
newl = FALSE;
traced_data = FALSE;
break;
}
return 0;
}
#ifdef CURL_DOES_CONVERSIONS
/* Special processing is needed for CURLINFO_HEADER_OUT blocks
* if they contain both headers and data (separated by CRLFCRLF).
* We dump the header text and then switch type to CURLINFO_DATA_OUT.
*/
if((type == CURLINFO_HEADER_OUT) && (size > 4)) {
size_t i;
for(i = 0; i < size - 4; i++) {
if(memcmp(&data[i], "\r\n\r\n", 4) == 0) {
/* dump everything through the CRLFCRLF as a sent header */
text = "=> Send header";
dump(timebuf, text, output, data, i + 4, config->tracetype, type);
data += i + 3;
size -= i + 4;
type = CURLINFO_DATA_OUT;
data += 1;
break;
}
}
}
#endif /* CURL_DOES_CONVERSIONS */
switch (type) {
case CURLINFO_TEXT:
fprintf(output, "%s== Info: %s", timebuf, data);
default: /* in case a new one is introduced to shock us */
return 0;
case CURLINFO_HEADER_OUT:
text = "=> Send header";
break;
case CURLINFO_DATA_OUT:
text = "=> Send data";
break;
case CURLINFO_HEADER_IN:
text = "<= Recv header";
break;
case CURLINFO_DATA_IN:
text = "<= Recv data";
break;
case CURLINFO_SSL_DATA_IN:
text = "<= Recv SSL data";
break;
case CURLINFO_SSL_DATA_OUT:
text = "=> Send SSL data";
break;
}
dump(timebuf, text, output, data, size, config->tracetype, type);
return 0;
}
bool stdin_upload(const char *uploadfile)
{
return (curlx_strequal(uploadfile, "-") ||
curlx_strequal(uploadfile, ".")) ? TRUE : FALSE;
}