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 #include "tool_setup.h"
25
26 #include "curlx.h"
27 #include "tool_cfgable.h"
28 #include "tool_writeout.h"
29 #include "tool_writeout_json.h"
30 #include "dynbuf.h"
31
32 #include "memdebug.h" /* keep this as LAST include */
33
34 static int writeTime(FILE *stream, const struct writeoutvar *wovar,
35 struct per_transfer *per, CURLcode per_result,
36 bool use_json);
37
38 static int writeString(FILE *stream, const struct writeoutvar *wovar,
39 struct per_transfer *per, CURLcode per_result,
40 bool use_json);
41
42 static int writeLong(FILE *stream, const struct writeoutvar *wovar,
43 struct per_transfer *per, CURLcode per_result,
44 bool use_json);
45
46 static int writeOffset(FILE *stream, const struct writeoutvar *wovar,
47 struct per_transfer *per, CURLcode per_result,
48 bool use_json);
49
50 struct httpmap {
51 const char *str;
52 int num;
53 };
54
55 static const struct httpmap http_version[] = {
56 { "0", CURL_HTTP_VERSION_NONE},
57 { "1", CURL_HTTP_VERSION_1_0},
58 { "1.1", CURL_HTTP_VERSION_1_1},
59 { "2", CURL_HTTP_VERSION_2},
60 { "3", CURL_HTTP_VERSION_3},
61 { NULL, 0} /* end of list */
62 };
63
64 /* The designated write function should be the same as the CURLINFO return type
65 with exceptions special cased in the respective function. For example,
66 http_version uses CURLINFO_HTTP_VERSION which returns the version as a long,
67 however it is output as a string and therefore is handled in writeString.
68
69 Yes: "http_version": "1.1"
70 No: "http_version": 1.1
71
72 Variable names MUST be in alphabetical order.
73 */
74 static const struct writeoutvar variables[] = {
75 {"certs", VAR_CERT, CURLINFO_NONE, writeString},
76 {"conn_id", VAR_CONN_ID, CURLINFO_CONN_ID, writeOffset},
77 {"content_type", VAR_CONTENT_TYPE, CURLINFO_CONTENT_TYPE, writeString},
78 {"errormsg", VAR_ERRORMSG, CURLINFO_NONE, writeString},
79 {"exitcode", VAR_EXITCODE, CURLINFO_NONE, writeLong},
80 {"filename_effective", VAR_EFFECTIVE_FILENAME, CURLINFO_NONE, writeString},
81 {"ftp_entry_path", VAR_FTP_ENTRY_PATH, CURLINFO_FTP_ENTRY_PATH, writeString},
82 {"header_json", VAR_HEADER_JSON, CURLINFO_NONE, NULL},
83 {"http_code", VAR_HTTP_CODE, CURLINFO_RESPONSE_CODE, writeLong},
84 {"http_connect", VAR_HTTP_CODE_PROXY, CURLINFO_HTTP_CONNECTCODE, writeLong},
85 {"http_version", VAR_HTTP_VERSION, CURLINFO_HTTP_VERSION, writeString},
86 {"json", VAR_JSON, CURLINFO_NONE, NULL},
87 {"local_ip", VAR_LOCAL_IP, CURLINFO_LOCAL_IP, writeString},
88 {"local_port", VAR_LOCAL_PORT, CURLINFO_LOCAL_PORT, writeLong},
89 {"method", VAR_EFFECTIVE_METHOD, CURLINFO_EFFECTIVE_METHOD, writeString},
90 {"num_certs", VAR_NUM_CERTS, CURLINFO_NONE, writeLong},
91 {"num_connects", VAR_NUM_CONNECTS, CURLINFO_NUM_CONNECTS, writeLong},
92 {"num_headers", VAR_NUM_HEADERS, CURLINFO_NONE, writeLong},
93 {"num_redirects", VAR_REDIRECT_COUNT, CURLINFO_REDIRECT_COUNT, writeLong},
94 {"num_retries", VAR_NUM_RETRY, CURLINFO_NONE, writeLong},
95 {"onerror", VAR_ONERROR, CURLINFO_NONE, NULL},
96 {"proxy_ssl_verify_result", VAR_PROXY_SSL_VERIFY_RESULT,
97 CURLINFO_PROXY_SSL_VERIFYRESULT, writeLong},
98 {"proxy_used", VAR_PROXY_USED, CURLINFO_USED_PROXY, writeLong},
99 {"redirect_url", VAR_REDIRECT_URL, CURLINFO_REDIRECT_URL, writeString},
100 {"referer", VAR_REFERER, CURLINFO_REFERER, writeString},
101 {"remote_ip", VAR_PRIMARY_IP, CURLINFO_PRIMARY_IP, writeString},
102 {"remote_port", VAR_PRIMARY_PORT, CURLINFO_PRIMARY_PORT, writeLong},
103 {"response_code", VAR_HTTP_CODE, CURLINFO_RESPONSE_CODE, writeLong},
104 {"scheme", VAR_SCHEME, CURLINFO_SCHEME, writeString},
105 {"size_download", VAR_SIZE_DOWNLOAD, CURLINFO_SIZE_DOWNLOAD_T, writeOffset},
106 {"size_header", VAR_HEADER_SIZE, CURLINFO_HEADER_SIZE, writeLong},
107 {"size_request", VAR_REQUEST_SIZE, CURLINFO_REQUEST_SIZE, writeLong},
108 {"size_upload", VAR_SIZE_UPLOAD, CURLINFO_SIZE_UPLOAD_T, writeOffset},
109 {"speed_download", VAR_SPEED_DOWNLOAD, CURLINFO_SPEED_DOWNLOAD_T,
110 writeOffset},
111 {"speed_upload", VAR_SPEED_UPLOAD, CURLINFO_SPEED_UPLOAD_T, writeOffset},
112 {"ssl_verify_result", VAR_SSL_VERIFY_RESULT, CURLINFO_SSL_VERIFYRESULT,
113 writeLong},
114 {"stderr", VAR_STDERR, CURLINFO_NONE, NULL},
115 {"stdout", VAR_STDOUT, CURLINFO_NONE, NULL},
116 {"time_appconnect", VAR_APPCONNECT_TIME, CURLINFO_APPCONNECT_TIME_T,
117 writeTime},
118 {"time_connect", VAR_CONNECT_TIME, CURLINFO_CONNECT_TIME_T, writeTime},
119 {"time_namelookup", VAR_NAMELOOKUP_TIME, CURLINFO_NAMELOOKUP_TIME_T,
120 writeTime},
121 {"time_posttransfer", VAR_POSTTRANSFER_TIME, CURLINFO_POSTTRANSFER_TIME_T,
122 writeTime},
123 {"time_pretransfer", VAR_PRETRANSFER_TIME, CURLINFO_PRETRANSFER_TIME_T,
124 writeTime},
125 {"time_redirect", VAR_REDIRECT_TIME, CURLINFO_REDIRECT_TIME_T, writeTime},
126 {"time_starttransfer", VAR_STARTTRANSFER_TIME, CURLINFO_STARTTRANSFER_TIME_T,
127 writeTime},
128 {"time_total", VAR_TOTAL_TIME, CURLINFO_TOTAL_TIME_T, writeTime},
129 {"url", VAR_INPUT_URL, CURLINFO_NONE, writeString},
130 {"url.fragment", VAR_INPUT_URLFRAGMENT, CURLINFO_NONE, writeString},
131 {"url.host", VAR_INPUT_URLHOST, CURLINFO_NONE, writeString},
132 {"url.options", VAR_INPUT_URLOPTIONS, CURLINFO_NONE, writeString},
133 {"url.password", VAR_INPUT_URLPASSWORD, CURLINFO_NONE, writeString},
134 {"url.path", VAR_INPUT_URLPATH, CURLINFO_NONE, writeString},
135 {"url.port", VAR_INPUT_URLPORT, CURLINFO_NONE, writeString},
136 {"url.query", VAR_INPUT_URLQUERY, CURLINFO_NONE, writeString},
137 {"url.scheme", VAR_INPUT_URLSCHEME, CURLINFO_NONE, writeString},
138 {"url.user", VAR_INPUT_URLUSER, CURLINFO_NONE, writeString},
139 {"url.zoneid", VAR_INPUT_URLZONEID, CURLINFO_NONE, writeString},
140 {"url_effective", VAR_EFFECTIVE_URL, CURLINFO_EFFECTIVE_URL, writeString},
141 {"urle.fragment", VAR_INPUT_URLEFRAGMENT, CURLINFO_NONE, writeString},
142 {"urle.host", VAR_INPUT_URLEHOST, CURLINFO_NONE, writeString},
143 {"urle.options", VAR_INPUT_URLEOPTIONS, CURLINFO_NONE, writeString},
144 {"urle.password", VAR_INPUT_URLEPASSWORD, CURLINFO_NONE, writeString},
145 {"urle.path", VAR_INPUT_URLEPATH, CURLINFO_NONE, writeString},
146 {"urle.port", VAR_INPUT_URLEPORT, CURLINFO_NONE, writeString},
147 {"urle.query", VAR_INPUT_URLEQUERY, CURLINFO_NONE, writeString},
148 {"urle.scheme", VAR_INPUT_URLESCHEME, CURLINFO_NONE, writeString},
149 {"urle.user", VAR_INPUT_URLEUSER, CURLINFO_NONE, writeString},
150 {"urle.zoneid", VAR_INPUT_URLEZONEID, CURLINFO_NONE, writeString},
151 {"urlnum", VAR_URLNUM, CURLINFO_NONE, writeLong},
152 {"xfer_id", VAR_EASY_ID, CURLINFO_XFER_ID, writeOffset}
153 };
154
writeTime(FILE * stream,const struct writeoutvar * wovar,struct per_transfer * per,CURLcode per_result,bool use_json)155 static int writeTime(FILE *stream, const struct writeoutvar *wovar,
156 struct per_transfer *per, CURLcode per_result,
157 bool use_json)
158 {
159 bool valid = false;
160 curl_off_t us = 0;
161
162 (void)per;
163 (void)per_result;
164 DEBUGASSERT(wovar->writefunc == writeTime);
165
166 if(wovar->ci) {
167 if(!curl_easy_getinfo(per->curl, wovar->ci, &us))
168 valid = true;
169 }
170 else {
171 DEBUGASSERT(0);
172 }
173
174 if(valid) {
175 curl_off_t secs = us / 1000000;
176 us %= 1000000;
177
178 if(use_json)
179 fprintf(stream, "\"%s\":", wovar->name);
180
181 fprintf(stream, "%" CURL_FORMAT_CURL_OFF_TU
182 ".%06" CURL_FORMAT_CURL_OFF_TU, secs, us);
183 }
184 else {
185 if(use_json)
186 fprintf(stream, "\"%s\":null", wovar->name);
187 }
188
189 return 1; /* return 1 if anything was written */
190 }
191
urlpart(struct per_transfer * per,writeoutid vid,const char ** contentp)192 static int urlpart(struct per_transfer *per, writeoutid vid,
193 const char **contentp)
194 {
195 CURLU *uh = curl_url();
196 int rc = 0;
197 if(uh) {
198 CURLUPart cpart = CURLUPART_HOST;
199 char *part = NULL;
200 const char *url = NULL;
201
202 if(vid >= VAR_INPUT_URLESCHEME) {
203 if(curl_easy_getinfo(per->curl, CURLINFO_EFFECTIVE_URL, &url))
204 rc = 5;
205 }
206 else
207 url = per->this_url;
208
209 if(!rc) {
210 switch(vid) {
211 case VAR_INPUT_URLSCHEME:
212 case VAR_INPUT_URLESCHEME:
213 cpart = CURLUPART_SCHEME;
214 break;
215 case VAR_INPUT_URLUSER:
216 case VAR_INPUT_URLEUSER:
217 cpart = CURLUPART_USER;
218 break;
219 case VAR_INPUT_URLPASSWORD:
220 case VAR_INPUT_URLEPASSWORD:
221 cpart = CURLUPART_PASSWORD;
222 break;
223 case VAR_INPUT_URLOPTIONS:
224 case VAR_INPUT_URLEOPTIONS:
225 cpart = CURLUPART_OPTIONS;
226 break;
227 case VAR_INPUT_URLHOST:
228 case VAR_INPUT_URLEHOST:
229 cpart = CURLUPART_HOST;
230 break;
231 case VAR_INPUT_URLPORT:
232 case VAR_INPUT_URLEPORT:
233 cpart = CURLUPART_PORT;
234 break;
235 case VAR_INPUT_URLPATH:
236 case VAR_INPUT_URLEPATH:
237 cpart = CURLUPART_PATH;
238 break;
239 case VAR_INPUT_URLQUERY:
240 case VAR_INPUT_URLEQUERY:
241 cpart = CURLUPART_QUERY;
242 break;
243 case VAR_INPUT_URLFRAGMENT:
244 case VAR_INPUT_URLEFRAGMENT:
245 cpart = CURLUPART_FRAGMENT;
246 break;
247 case VAR_INPUT_URLZONEID:
248 case VAR_INPUT_URLEZONEID:
249 cpart = CURLUPART_ZONEID;
250 break;
251 default:
252 /* not implemented */
253 rc = 4;
254 break;
255 }
256 }
257 if(!rc && curl_url_set(uh, CURLUPART_URL, url,
258 CURLU_GUESS_SCHEME|CURLU_NON_SUPPORT_SCHEME))
259 rc = 2;
260
261 if(!rc && curl_url_get(uh, cpart, &part, CURLU_DEFAULT_PORT))
262 rc = 3;
263
264 if(!rc && part)
265 *contentp = part;
266 curl_url_cleanup(uh);
267 }
268 else
269 return 1;
270 return rc;
271 }
272
certinfo(struct per_transfer * per)273 static void certinfo(struct per_transfer *per)
274 {
275 if(!per->certinfo) {
276 struct curl_certinfo *certinfo;
277 CURLcode res = curl_easy_getinfo(per->curl, CURLINFO_CERTINFO, &certinfo);
278 per->certinfo = (!res && certinfo) ? certinfo : NULL;
279 }
280 }
281
writeString(FILE * stream,const struct writeoutvar * wovar,struct per_transfer * per,CURLcode per_result,bool use_json)282 static int writeString(FILE *stream, const struct writeoutvar *wovar,
283 struct per_transfer *per, CURLcode per_result,
284 bool use_json)
285 {
286 bool valid = false;
287 const char *strinfo = NULL;
288 const char *freestr = NULL;
289 struct dynbuf buf;
290 curlx_dyn_init(&buf, 256*1024);
291
292 DEBUGASSERT(wovar->writefunc == writeString);
293
294 if(wovar->ci) {
295 if(wovar->ci == CURLINFO_HTTP_VERSION) {
296 long version = 0;
297 if(!curl_easy_getinfo(per->curl, CURLINFO_HTTP_VERSION, &version)) {
298 const struct httpmap *m = &http_version[0];
299 while(m->str) {
300 if(m->num == version) {
301 strinfo = m->str;
302 valid = true;
303 break;
304 }
305 m++;
306 }
307 }
308 }
309 else {
310 if(!curl_easy_getinfo(per->curl, wovar->ci, &strinfo) && strinfo)
311 valid = true;
312 }
313 }
314 else {
315 switch(wovar->id) {
316 case VAR_CERT:
317 certinfo(per);
318 if(per->certinfo) {
319 int i;
320 bool error = FALSE;
321 for(i = 0; (i < per->certinfo->num_of_certs) && !error; i++) {
322 struct curl_slist *slist;
323
324 for(slist = per->certinfo->certinfo[i]; slist; slist = slist->next) {
325 size_t len;
326 if(curl_strnequal(slist->data, "cert:", 5)) {
327 if(curlx_dyn_add(&buf, &slist->data[5])) {
328 error = TRUE;
329 break;
330 }
331 }
332 else {
333 if(curlx_dyn_add(&buf, slist->data)) {
334 error = TRUE;
335 break;
336 }
337 }
338 len = curlx_dyn_len(&buf);
339 if(len) {
340 char *ptr = curlx_dyn_ptr(&buf);
341 if(ptr[len -1] != '\n') {
342 /* add a newline to make things look better */
343 if(curlx_dyn_addn(&buf, "\n", 1)) {
344 error = TRUE;
345 break;
346 }
347 }
348 }
349 }
350 }
351 if(!error) {
352 strinfo = curlx_dyn_ptr(&buf);
353 if(!strinfo)
354 /* maybe not a TLS protocol */
355 strinfo = "";
356 valid = true;
357 }
358 }
359 else
360 strinfo = ""; /* no cert info */
361 break;
362 case VAR_ERRORMSG:
363 if(per_result) {
364 strinfo = (per->errorbuffer && per->errorbuffer[0]) ?
365 per->errorbuffer : curl_easy_strerror(per_result);
366 valid = true;
367 }
368 break;
369 case VAR_EFFECTIVE_FILENAME:
370 if(per->outs.filename) {
371 strinfo = per->outs.filename;
372 valid = true;
373 }
374 break;
375 case VAR_INPUT_URL:
376 if(per->this_url) {
377 strinfo = per->this_url;
378 valid = true;
379 }
380 break;
381 case VAR_INPUT_URLSCHEME:
382 case VAR_INPUT_URLUSER:
383 case VAR_INPUT_URLPASSWORD:
384 case VAR_INPUT_URLOPTIONS:
385 case VAR_INPUT_URLHOST:
386 case VAR_INPUT_URLPORT:
387 case VAR_INPUT_URLPATH:
388 case VAR_INPUT_URLQUERY:
389 case VAR_INPUT_URLFRAGMENT:
390 case VAR_INPUT_URLZONEID:
391 case VAR_INPUT_URLESCHEME:
392 case VAR_INPUT_URLEUSER:
393 case VAR_INPUT_URLEPASSWORD:
394 case VAR_INPUT_URLEOPTIONS:
395 case VAR_INPUT_URLEHOST:
396 case VAR_INPUT_URLEPORT:
397 case VAR_INPUT_URLEPATH:
398 case VAR_INPUT_URLEQUERY:
399 case VAR_INPUT_URLEFRAGMENT:
400 case VAR_INPUT_URLEZONEID:
401 if(per->this_url) {
402 if(!urlpart(per, wovar->id, &strinfo)) {
403 freestr = strinfo;
404 valid = true;
405 }
406 }
407 break;
408 default:
409 DEBUGASSERT(0);
410 break;
411 }
412 }
413
414 if(valid) {
415 DEBUGASSERT(strinfo);
416 if(use_json) {
417 fprintf(stream, "\"%s\":", wovar->name);
418 jsonWriteString(stream, strinfo, FALSE);
419 }
420 else
421 fputs(strinfo, stream);
422 }
423 else {
424 if(use_json)
425 fprintf(stream, "\"%s\":null", wovar->name);
426 }
427 curl_free((char *)freestr);
428
429 curlx_dyn_free(&buf);
430 return 1; /* return 1 if anything was written */
431 }
432
writeLong(FILE * stream,const struct writeoutvar * wovar,struct per_transfer * per,CURLcode per_result,bool use_json)433 static int writeLong(FILE *stream, const struct writeoutvar *wovar,
434 struct per_transfer *per, CURLcode per_result,
435 bool use_json)
436 {
437 bool valid = false;
438 long longinfo = 0;
439
440 DEBUGASSERT(wovar->writefunc == writeLong);
441
442 if(wovar->ci) {
443 if(!curl_easy_getinfo(per->curl, wovar->ci, &longinfo))
444 valid = true;
445 }
446 else {
447 switch(wovar->id) {
448 case VAR_NUM_RETRY:
449 longinfo = per->num_retries;
450 valid = true;
451 break;
452 case VAR_NUM_CERTS:
453 certinfo(per);
454 longinfo = per->certinfo ? per->certinfo->num_of_certs : 0;
455 valid = true;
456 break;
457 case VAR_NUM_HEADERS:
458 longinfo = per->num_headers;
459 valid = true;
460 break;
461 case VAR_EXITCODE:
462 longinfo = (long)per_result;
463 valid = true;
464 break;
465 case VAR_URLNUM:
466 if(per->urlnum <= INT_MAX) {
467 longinfo = (long)per->urlnum;
468 valid = true;
469 }
470 break;
471 default:
472 DEBUGASSERT(0);
473 break;
474 }
475 }
476
477 if(valid) {
478 if(use_json)
479 fprintf(stream, "\"%s\":%ld", wovar->name, longinfo);
480 else {
481 if(wovar->id == VAR_HTTP_CODE || wovar->id == VAR_HTTP_CODE_PROXY)
482 fprintf(stream, "%03ld", longinfo);
483 else
484 fprintf(stream, "%ld", longinfo);
485 }
486 }
487 else {
488 if(use_json)
489 fprintf(stream, "\"%s\":null", wovar->name);
490 }
491
492 return 1; /* return 1 if anything was written */
493 }
494
writeOffset(FILE * stream,const struct writeoutvar * wovar,struct per_transfer * per,CURLcode per_result,bool use_json)495 static int writeOffset(FILE *stream, const struct writeoutvar *wovar,
496 struct per_transfer *per, CURLcode per_result,
497 bool use_json)
498 {
499 bool valid = false;
500 curl_off_t offinfo = 0;
501
502 (void)per;
503 (void)per_result;
504 DEBUGASSERT(wovar->writefunc == writeOffset);
505
506 if(wovar->ci) {
507 if(!curl_easy_getinfo(per->curl, wovar->ci, &offinfo))
508 valid = true;
509 }
510 else {
511 DEBUGASSERT(0);
512 }
513
514 if(valid) {
515 if(use_json)
516 fprintf(stream, "\"%s\":", wovar->name);
517
518 fprintf(stream, "%" CURL_FORMAT_CURL_OFF_T, offinfo);
519 }
520 else {
521 if(use_json)
522 fprintf(stream, "\"%s\":null", wovar->name);
523 }
524
525 return 1; /* return 1 if anything was written */
526 }
527
528 static int
matchvar(const void * m1,const void * m2)529 matchvar(const void *m1, const void *m2)
530 {
531 const struct writeoutvar *v1 = m1;
532 const struct writeoutvar *v2 = m2;
533
534 return strcmp(v1->name, v2->name);
535 }
536
537 #define MAX_WRITEOUT_NAME_LENGTH 24
538
ourWriteOut(struct OperationConfig * config,struct per_transfer * per,CURLcode per_result)539 void ourWriteOut(struct OperationConfig *config, struct per_transfer *per,
540 CURLcode per_result)
541 {
542 FILE *stream = stdout;
543 const char *writeinfo = config->writeout;
544 const char *ptr = writeinfo;
545 bool done = FALSE;
546 bool fclose_stream = FALSE;
547 struct dynbuf name;
548
549 if(!writeinfo)
550 return;
551
552 curlx_dyn_init(&name, MAX_WRITEOUT_NAME_LENGTH);
553 while(ptr && *ptr && !done) {
554 if('%' == *ptr && ptr[1]) {
555 if('%' == ptr[1]) {
556 /* an escaped %-letter */
557 fputc('%', stream);
558 ptr += 2;
559 }
560 else {
561 /* this is meant as a variable to output */
562 char *end;
563 size_t vlen;
564 if('{' == ptr[1]) {
565 struct writeoutvar *wv = NULL;
566 struct writeoutvar find = { 0 };
567 end = strchr(ptr, '}');
568 ptr += 2; /* pass the % and the { */
569 if(!end) {
570 fputs("%{", stream);
571 continue;
572 }
573 vlen = end - ptr;
574
575 curlx_dyn_reset(&name);
576 if(!curlx_dyn_addn(&name, ptr, vlen)) {
577 find.name = curlx_dyn_ptr(&name);
578 wv = bsearch(&find,
579 variables, sizeof(variables)/sizeof(variables[0]),
580 sizeof(variables[0]), matchvar);
581 }
582 if(wv) {
583 switch(wv->id) {
584 case VAR_ONERROR:
585 if(per_result == CURLE_OK)
586 /* this is not error so skip the rest */
587 done = TRUE;
588 break;
589 case VAR_STDOUT:
590 if(fclose_stream)
591 fclose(stream);
592 fclose_stream = FALSE;
593 stream = stdout;
594 break;
595 case VAR_STDERR:
596 if(fclose_stream)
597 fclose(stream);
598 fclose_stream = FALSE;
599 stream = tool_stderr;
600 break;
601 case VAR_JSON:
602 ourWriteOutJSON(stream, variables,
603 sizeof(variables)/sizeof(variables[0]),
604 per, per_result);
605 break;
606 case VAR_HEADER_JSON:
607 headerJSON(stream, per);
608 break;
609 default:
610 (void)wv->writefunc(stream, wv, per, per_result, false);
611 break;
612 }
613 }
614 else {
615 fprintf(tool_stderr,
616 "curl: unknown --write-out variable: '%.*s'\n",
617 (int)vlen, ptr);
618 }
619 ptr = end + 1; /* pass the end */
620 }
621 else if(!strncmp("header{", &ptr[1], 7)) {
622 ptr += 8;
623 end = strchr(ptr, '}');
624 if(end) {
625 char hname[256]; /* holds the longest header field name */
626 struct curl_header *header;
627 vlen = end - ptr;
628 if(vlen < sizeof(hname)) {
629 memcpy(hname, ptr, vlen);
630 hname[vlen] = 0;
631 if(CURLHE_OK == curl_easy_header(per->curl, hname, 0,
632 CURLH_HEADER, -1, &header))
633 fputs(header->value, stream);
634 }
635 ptr = end + 1;
636 }
637 else
638 fputs("%header{", stream);
639 }
640 else if(!strncmp("output{", &ptr[1], 7)) {
641 bool append = FALSE;
642 ptr += 8;
643 if((ptr[0] == '>') && (ptr[1] == '>')) {
644 append = TRUE;
645 ptr += 2;
646 }
647 end = strchr(ptr, '}');
648 if(end) {
649 char fname[512]; /* holds the longest filename */
650 size_t flen = end - ptr;
651 if(flen < sizeof(fname)) {
652 FILE *stream2;
653 memcpy(fname, ptr, flen);
654 fname[flen] = 0;
655 stream2 = fopen(fname, append ? FOPEN_APPENDTEXT :
656 FOPEN_WRITETEXT);
657 if(stream2) {
658 /* only change if the open worked */
659 if(fclose_stream)
660 fclose(stream);
661 stream = stream2;
662 fclose_stream = TRUE;
663 }
664 }
665 ptr = end + 1;
666 }
667 else
668 fputs("%output{", stream);
669 }
670 else {
671 /* illegal syntax, then just output the characters that are used */
672 fputc('%', stream);
673 fputc(ptr[1], stream);
674 ptr += 2;
675 }
676 }
677 }
678 else if('\\' == *ptr && ptr[1]) {
679 switch(ptr[1]) {
680 case 'r':
681 fputc('\r', stream);
682 break;
683 case 'n':
684 fputc('\n', stream);
685 break;
686 case 't':
687 fputc('\t', stream);
688 break;
689 default:
690 /* unknown, just output this */
691 fputc(*ptr, stream);
692 fputc(ptr[1], stream);
693 break;
694 }
695 ptr += 2;
696 }
697 else {
698 fputc(*ptr, stream);
699 ptr++;
700 }
701 }
702 if(fclose_stream)
703 fclose(stream);
704 curlx_dyn_free(&name);
705 }
706
