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d698c70421
curl/src/tool_writeout.c
Jay Satiro 2f78be51eb
tool_writeout: fix the HTTP_CODE json output 
Update test 970 accordingly.

Reported-by: Michal Rus
Fixes #6905
Closes #6906
2021-04-17 11:03:30 +02:00

405 lines
12 KiB
C
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/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2021, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at https://curl.se/docs/copyright.html.
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so, under the terms of the COPYING file.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
***************************************************************************/
#include "tool_setup.h"
#define ENABLE_CURLX_PRINTF
/* use our own printf() functions */
#include "curlx.h"
#include "tool_cfgable.h"
#include "tool_writeout.h"
#include "tool_writeout_json.h"
#include "memdebug.h" /* keep this as LAST include */
static int writeTime(FILE *stream, const struct writeoutvar *wovar,
struct per_transfer *per, CURLcode per_result,
bool use_json);
static int writeString(FILE *stream, const struct writeoutvar *wovar,
struct per_transfer *per, CURLcode per_result,
bool use_json);
static int writeLong(FILE *stream, const struct writeoutvar *wovar,
struct per_transfer *per, CURLcode per_result,
bool use_json);
static int writeOffset(FILE *stream, const struct writeoutvar *wovar,
struct per_transfer *per, CURLcode per_result,
bool use_json);
static const char *http_version[] = {
"0", /* CURL_HTTP_VERSION_NONE */
"1", /* CURL_HTTP_VERSION_1_0 */
"1.1", /* CURL_HTTP_VERSION_1_1 */
"2", /* CURL_HTTP_VERSION_2 */
"3" /* CURL_HTTP_VERSION_3 */
};
/* The designated write function should be the same as the CURLINFO return type
with exceptions special cased in the respective function. For example,
http_version uses CURLINFO_HTTP_VERSION which returns the version as a long,
however it is output as a string and therefore is handled in writeString.
Yes: "http_version": "1.1"
No: "http_version": 1.1
Variable names should be in alphabetical order.
*/
static const struct writeoutvar variables[] = {
{"content_type", VAR_CONTENT_TYPE, CURLINFO_CONTENT_TYPE, writeString},
{"errormsg", VAR_ERRORMSG, 0, writeString},
{"exitcode", VAR_EXITCODE, 0, writeLong},
{"filename_effective", VAR_EFFECTIVE_FILENAME, 0, writeString},
{"ftp_entry_path", VAR_FTP_ENTRY_PATH, CURLINFO_FTP_ENTRY_PATH, writeString},
{"http_code", VAR_HTTP_CODE, CURLINFO_RESPONSE_CODE, writeLong},
{"http_connect", VAR_HTTP_CODE_PROXY, CURLINFO_HTTP_CONNECTCODE, writeLong},
{"http_version", VAR_HTTP_VERSION, CURLINFO_HTTP_VERSION, writeString},
{"json", VAR_JSON, 0, NULL},
{"local_ip", VAR_LOCAL_IP, CURLINFO_LOCAL_IP, writeString},
{"local_port", VAR_LOCAL_PORT, CURLINFO_LOCAL_PORT, writeLong},
{"method", VAR_EFFECTIVE_METHOD, CURLINFO_EFFECTIVE_METHOD, writeString},
{"num_connects", VAR_NUM_CONNECTS, CURLINFO_NUM_CONNECTS, writeLong},
{"num_headers", VAR_NUM_HEADERS, 0, writeLong},
{"num_redirects", VAR_REDIRECT_COUNT, CURLINFO_REDIRECT_COUNT, writeLong},
{"onerror", VAR_ONERROR, 0, NULL},
{"proxy_ssl_verify_result", VAR_PROXY_SSL_VERIFY_RESULT,
CURLINFO_PROXY_SSL_VERIFYRESULT, writeLong},
{"redirect_url", VAR_REDIRECT_URL, CURLINFO_REDIRECT_URL, writeString},
{"referer", VAR_REFERER, CURLINFO_REFERER, writeString},
{"remote_ip", VAR_PRIMARY_IP, CURLINFO_PRIMARY_IP, writeString},
{"remote_port", VAR_PRIMARY_PORT, CURLINFO_PRIMARY_PORT, writeLong},
{"response_code", VAR_HTTP_CODE, CURLINFO_RESPONSE_CODE, writeLong},
{"scheme", VAR_SCHEME, CURLINFO_SCHEME, writeString},
{"size_download", VAR_SIZE_DOWNLOAD, CURLINFO_SIZE_DOWNLOAD_T, writeOffset},
{"size_header", VAR_HEADER_SIZE, CURLINFO_HEADER_SIZE, writeLong},
{"size_request", VAR_REQUEST_SIZE, CURLINFO_REQUEST_SIZE, writeLong},
{"size_upload", VAR_SIZE_UPLOAD, CURLINFO_SIZE_UPLOAD_T, writeOffset},
{"speed_download", VAR_SPEED_DOWNLOAD, CURLINFO_SPEED_DOWNLOAD_T,
writeOffset},
{"speed_upload", VAR_SPEED_UPLOAD, CURLINFO_SPEED_UPLOAD_T, writeOffset},
{"ssl_verify_result", VAR_SSL_VERIFY_RESULT, CURLINFO_SSL_VERIFYRESULT,
writeLong},
{"stderr", VAR_STDERR, 0, NULL},
{"stdout", VAR_STDOUT, 0, NULL},
{"time_appconnect", VAR_APPCONNECT_TIME, CURLINFO_APPCONNECT_TIME_T,
writeTime},
{"time_connect", VAR_CONNECT_TIME, CURLINFO_CONNECT_TIME_T, writeTime},
{"time_namelookup", VAR_NAMELOOKUP_TIME, CURLINFO_NAMELOOKUP_TIME_T,
writeTime},
{"time_pretransfer", VAR_PRETRANSFER_TIME, CURLINFO_PRETRANSFER_TIME_T,
writeTime},
{"time_redirect", VAR_REDIRECT_TIME, CURLINFO_REDIRECT_TIME_T, writeTime},
{"time_starttransfer", VAR_STARTTRANSFER_TIME, CURLINFO_STARTTRANSFER_TIME_T,
writeTime},
{"time_total", VAR_TOTAL_TIME, CURLINFO_TOTAL_TIME_T, writeTime},
{"url", VAR_INPUT_URL, 0, writeString},
{"url_effective", VAR_EFFECTIVE_URL, CURLINFO_EFFECTIVE_URL, writeString},
{"urlnum", VAR_URLNUM, 0, writeLong},
{NULL, VAR_NONE, 0, NULL}
};
static int writeTime(FILE *stream, const struct writeoutvar *wovar,
struct per_transfer *per, CURLcode per_result,
bool use_json)
{
bool valid = false;
curl_off_t us = 0;
(void)per;
(void)per_result;
DEBUGASSERT(wovar->writefunc == writeTime);
if(wovar->ci) {
if(!curl_easy_getinfo(per->curl, wovar->ci, &us))
valid = true;
}
else {
DEBUGASSERT(0);
}
if(valid) {
curl_off_t secs = us / 1000000;
us %= 1000000;
if(use_json)
fprintf(stream, "\"%s\":", wovar->name);
fprintf(stream, "%" CURL_FORMAT_CURL_OFF_TU
".%06" CURL_FORMAT_CURL_OFF_TU, secs, us);
}
else {
if(use_json)
fprintf(stream, "\"%s\":null", wovar->name);
}
return 1; /* return 1 if anything was written */
}
static int writeString(FILE *stream, const struct writeoutvar *wovar,
struct per_transfer *per, CURLcode per_result,
bool use_json)
{
bool valid = false;
const char *strinfo = NULL;
DEBUGASSERT(wovar->writefunc == writeString);
if(wovar->ci) {
if(wovar->ci == CURLINFO_HTTP_VERSION) {
long version = 0;
if(!curl_easy_getinfo(per->curl, CURLINFO_HTTP_VERSION, &version) &&
(version >= 0) &&
(version < (long)(sizeof(http_version)/sizeof(http_version[0])))) {
strinfo = http_version[version];
valid = true;
}
}
else {
if(!curl_easy_getinfo(per->curl, wovar->ci, &strinfo) && strinfo)
valid = true;
}
}
else {
switch(wovar->id) {
case VAR_ERRORMSG:
if(per_result) {
strinfo = per->errorbuffer[0] ? per->errorbuffer :
curl_easy_strerror(per_result);
valid = true;
}
break;
case VAR_EFFECTIVE_FILENAME:
if(per->outs.filename) {
strinfo = per->outs.filename;
valid = true;
}
break;
case VAR_INPUT_URL:
if(per->this_url) {
strinfo = per->this_url;
valid = true;
}
break;
default:
DEBUGASSERT(0);
break;
}
}
if(valid) {
DEBUGASSERT(strinfo);
if(use_json) {
fprintf(stream, "\"%s\":\"", wovar->name);
jsonWriteString(stream, strinfo);
fputs("\"", stream);
}
else
fputs(strinfo, stream);
}
else {
if(use_json)
fprintf(stream, "\"%s\":null", wovar->name);
}
return 1; /* return 1 if anything was written */
}
static int writeLong(FILE *stream, const struct writeoutvar *wovar,
struct per_transfer *per, CURLcode per_result,
bool use_json)
{
bool valid = false;
long longinfo = 0;
DEBUGASSERT(wovar->writefunc == writeLong);
if(wovar->ci) {
if(!curl_easy_getinfo(per->curl, wovar->ci, &longinfo))
valid = true;
}
else {
switch(wovar->id) {
case VAR_NUM_HEADERS:
longinfo = per->num_headers;
valid = true;
break;
case VAR_EXITCODE:
longinfo = per_result;
valid = true;
break;
case VAR_URLNUM:
if(per->urlnum <= INT_MAX) {
longinfo = (long)per->urlnum;
valid = true;
}
break;
default:
DEBUGASSERT(0);
break;
}
}
if(valid) {
if(use_json)
fprintf(stream, "\"%s\":%ld", wovar->name, longinfo);
else {
if(wovar->id == VAR_HTTP_CODE || wovar->id == VAR_HTTP_CODE_PROXY)
fprintf(stream, "%03ld", longinfo);
else
fprintf(stream, "%ld", longinfo);
}
}
else {
if(use_json)
fprintf(stream, "\"%s\":null", wovar->name);
}
return 1; /* return 1 if anything was written */
}
static int writeOffset(FILE *stream, const struct writeoutvar *wovar,
struct per_transfer *per, CURLcode per_result,
bool use_json)
{
bool valid = false;
curl_off_t offinfo = 0;
(void)per;
(void)per_result;
DEBUGASSERT(wovar->writefunc == writeOffset);
if(wovar->ci) {
if(!curl_easy_getinfo(per->curl, wovar->ci, &offinfo))
valid = true;
}
else {
DEBUGASSERT(0);
}
if(valid) {
if(use_json)
fprintf(stream, "\"%s\":", wovar->name);
fprintf(stream, "%" CURL_FORMAT_CURL_OFF_T, offinfo);
}
else {
if(use_json)
fprintf(stream, "\"%s\":null", wovar->name);
}
return 1; /* return 1 if anything was written */
}
void ourWriteOut(const char *writeinfo, struct per_transfer *per,
CURLcode per_result)
{
FILE *stream = stdout;
const char *ptr = writeinfo;
bool done = FALSE;
while(ptr && *ptr && !done) {
if('%' == *ptr && ptr[1]) {
if('%' == ptr[1]) {
/* an escaped %-letter */
fputc('%', stream);
ptr += 2;
}
else {
/* this is meant as a variable to output */
char *end;
if('{' == ptr[1]) {
char keepit;
int i;
bool match = FALSE;
end = strchr(ptr, '}');
ptr += 2; /* pass the % and the { */
if(!end) {
fputs("%{", stream);
continue;
}
keepit = *end;
*end = 0; /* null-terminate */
for(i = 0; variables[i].name; i++) {
if(curl_strequal(ptr, variables[i].name)) {
match = TRUE;
switch(variables[i].id) {
case VAR_ONERROR:
if(per_result == CURLE_OK)
/* this isn't error so skip the rest */
done = TRUE;
break;
case VAR_STDOUT:
stream = stdout;
break;
case VAR_STDERR:
stream = stderr;
break;
case VAR_JSON:
ourWriteOutJSON(stream, variables, per, per_result);
break;
default:
(void)variables[i].writefunc(stream, &variables[i],
per, per_result, false);
break;
}
break;
}
}
if(!match) {
fprintf(stderr, "curl: unknown --write-out variable: '%s'\n", ptr);
}
ptr = end + 1; /* pass the end */
*end = keepit;
}
else {
/* illegal syntax, then just output the characters that are used */
fputc('%', stream);
fputc(ptr[1], stream);
ptr += 2;
}
}
}
else if('\\' == *ptr && ptr[1]) {
switch(ptr[1]) {
case 'r':
fputc('\r', stream);
break;
case 'n':
fputc('\n', stream);
break;
case 't':
fputc('\t', stream);
break;
default:
/* unknown, just output this */
fputc(*ptr, stream);
fputc(ptr[1], stream);
break;
}
ptr += 2;
}
else {
fputc(*ptr, stream);
ptr++;
}
}
}
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