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 "strcase.h"
27
28 #define ENABLE_CURLX_PRINTF
29 /* use our own printf() functions */
30 #include "curlx.h"
31
32 #include "tool_binmode.h"
33 #include "tool_cfgable.h"
34 #include "tool_cb_prg.h"
35 #include "tool_filetime.h"
36 #include "tool_formparse.h"
37 #include "tool_getparam.h"
38 #include "tool_helpers.h"
39 #include "tool_libinfo.h"
40 #include "tool_msgs.h"
41 #include "tool_paramhlp.h"
42 #include "tool_parsecfg.h"
43 #include "tool_main.h"
44 #include "dynbuf.h"
45 #include "tool_stderr.h"
46
47 #include "memdebug.h" /* keep this as LAST include */
48
49 #ifdef MSDOS
50 # define USE_WATT32
51 #endif
52
53 #define GetStr(str,val) do { \
54 if(*(str)) { \
55 free(*(str)); \
56 *(str) = NULL; \
57 } \
58 if((val)) { \
59 *(str) = strdup((val)); \
60 if(!(*(str))) \
61 return PARAM_NO_MEM; \
62 } \
63 } while(0)
64
65 struct LongShort {
66 const char *letter; /* short name option */
67 const char *lname; /* long name option */
68 enum {
69 ARG_NONE, /* stand-alone but not a boolean */
70 ARG_BOOL, /* accepts a --no-[name] prefix */
71 ARG_STRING, /* requires an argument */
72 ARG_FILENAME /* requires an argument, usually a file name */
73 } desc;
74 };
75
76 static const struct LongShort aliases[]= {
77 /* 'letter' strings with more than one character have *no* short option to
78 mention. */
79 {"*@", "url", ARG_STRING},
80 {"*4", "dns-ipv4-addr", ARG_STRING},
81 {"*6", "dns-ipv6-addr", ARG_STRING},
82 {"*a", "random-file", ARG_FILENAME},
83 {"*b", "egd-file", ARG_STRING},
84 {"*B", "oauth2-bearer", ARG_STRING},
85 {"*c", "connect-timeout", ARG_STRING},
86 {"*C", "doh-url" , ARG_STRING},
87 {"*d", "ciphers", ARG_STRING},
88 {"*D", "dns-interface", ARG_STRING},
89 {"*e", "disable-epsv", ARG_BOOL},
90 {"*f", "disallow-username-in-url", ARG_BOOL},
91 {"*E", "epsv", ARG_BOOL},
92 /* 'epsv' made like this to make --no-epsv and --epsv to work
93 although --disable-epsv is the documented option */
94 {"*F", "dns-servers", ARG_STRING},
95 {"*g", "trace", ARG_FILENAME},
96 {"*G", "npn", ARG_BOOL},
97 {"*h", "trace-ascii", ARG_FILENAME},
98 {"*H", "alpn", ARG_BOOL},
99 {"*i", "limit-rate", ARG_STRING},
100 {"*I", "rate", ARG_STRING},
101 {"*j", "compressed", ARG_BOOL},
102 {"*J", "tr-encoding", ARG_BOOL},
103 {"*k", "digest", ARG_BOOL},
104 {"*l", "negotiate", ARG_BOOL},
105 {"*m", "ntlm", ARG_BOOL},
106 {"*M", "ntlm-wb", ARG_BOOL},
107 {"*n", "basic", ARG_BOOL},
108 {"*o", "anyauth", ARG_BOOL},
109 #ifdef USE_WATT32
110 {"*p", "wdebug", ARG_BOOL},
111 #endif
112 {"*q", "ftp-create-dirs", ARG_BOOL},
113 {"*r", "create-dirs", ARG_BOOL},
114 {"*R", "create-file-mode", ARG_STRING},
115 {"*s", "max-redirs", ARG_STRING},
116 {"*t", "proxy-ntlm", ARG_BOOL},
117 {"*u", "crlf", ARG_BOOL},
118 {"*v", "stderr", ARG_FILENAME},
119 {"*V", "aws-sigv4", ARG_STRING},
120 {"*w", "interface", ARG_STRING},
121 {"*x", "krb", ARG_STRING},
122 {"*x", "krb4", ARG_STRING},
123 /* 'krb4' is the previous name */
124 {"*X", "haproxy-protocol", ARG_BOOL},
125 {"*y", "max-filesize", ARG_STRING},
126 {"*z", "disable-eprt", ARG_BOOL},
127 {"*Z", "eprt", ARG_BOOL},
128 /* 'eprt' made like this to make --no-eprt and --eprt to work
129 although --disable-eprt is the documented option */
130 {"*~", "xattr", ARG_BOOL},
131 {"$a", "ftp-ssl", ARG_BOOL},
132 /* 'ftp-ssl' deprecated name since 7.20.0 */
133 {"$a", "ssl", ARG_BOOL},
134 /* 'ssl' new option name in 7.20.0, previously this was ftp-ssl */
135 {"$b", "ftp-pasv", ARG_BOOL},
136 {"$c", "socks5", ARG_STRING},
137 {"$d", "tcp-nodelay", ARG_BOOL},
138 {"$e", "proxy-digest", ARG_BOOL},
139 {"$f", "proxy-basic", ARG_BOOL},
140 {"$g", "retry", ARG_STRING},
141 {"$V", "retry-connrefused", ARG_BOOL},
142 {"$h", "retry-delay", ARG_STRING},
143 {"$i", "retry-max-time", ARG_STRING},
144 {"$k", "proxy-negotiate", ARG_BOOL},
145 {"$l", "form-escape", ARG_BOOL},
146 {"$m", "ftp-account", ARG_STRING},
147 {"$n", "proxy-anyauth", ARG_BOOL},
148 {"$o", "trace-time", ARG_BOOL},
149 {"$p", "ignore-content-length", ARG_BOOL},
150 {"$q", "ftp-skip-pasv-ip", ARG_BOOL},
151 {"$r", "ftp-method", ARG_STRING},
152 {"$s", "local-port", ARG_STRING},
153 {"$t", "socks4", ARG_STRING},
154 {"$T", "socks4a", ARG_STRING},
155 {"$u", "ftp-alternative-to-user", ARG_STRING},
156 {"$v", "ftp-ssl-reqd", ARG_BOOL},
157 /* 'ftp-ssl-reqd' deprecated name since 7.20.0 */
158 {"$v", "ssl-reqd", ARG_BOOL},
159 /* 'ssl-reqd' new in 7.20.0, previously this was ftp-ssl-reqd */
160 {"$w", "sessionid", ARG_BOOL},
161 /* 'sessionid' listed as --no-sessionid in the help */
162 {"$x", "ftp-ssl-control", ARG_BOOL},
163 {"$y", "ftp-ssl-ccc", ARG_BOOL},
164 {"$j", "ftp-ssl-ccc-mode", ARG_STRING},
165 {"$z", "libcurl", ARG_STRING},
166 {"$#", "raw", ARG_BOOL},
167 {"$0", "post301", ARG_BOOL},
168 {"$1", "keepalive", ARG_BOOL},
169 /* 'keepalive' listed as --no-keepalive in the help */
170 {"$2", "socks5-hostname", ARG_STRING},
171 {"$3", "keepalive-time", ARG_STRING},
172 {"$4", "post302", ARG_BOOL},
173 {"$5", "noproxy", ARG_STRING},
174 {"$7", "socks5-gssapi-nec", ARG_BOOL},
175 {"$8", "proxy1.0", ARG_STRING},
176 {"$9", "tftp-blksize", ARG_STRING},
177 {"$A", "mail-from", ARG_STRING},
178 {"$B", "mail-rcpt", ARG_STRING},
179 {"$C", "ftp-pret", ARG_BOOL},
180 {"$D", "proto", ARG_STRING},
181 {"$E", "proto-redir", ARG_STRING},
182 {"$F", "resolve", ARG_STRING},
183 {"$G", "delegation", ARG_STRING},
184 {"$H", "mail-auth", ARG_STRING},
185 {"$I", "post303", ARG_BOOL},
186 {"$J", "metalink", ARG_BOOL},
187 {"$6", "sasl-authzid", ARG_STRING},
188 {"$K", "sasl-ir", ARG_BOOL },
189 {"$L", "test-event", ARG_BOOL},
190 {"$M", "unix-socket", ARG_FILENAME},
191 {"$N", "path-as-is", ARG_BOOL},
192 {"$O", "socks5-gssapi-service", ARG_STRING},
193 /* 'socks5-gssapi-service' merged with'proxy-service-name' and
194 deprecated since 7.49.0 */
195 {"$O", "proxy-service-name", ARG_STRING},
196 {"$P", "service-name", ARG_STRING},
197 {"$Q", "proto-default", ARG_STRING},
198 {"$R", "expect100-timeout", ARG_STRING},
199 {"$S", "tftp-no-options", ARG_BOOL},
200 {"$U", "connect-to", ARG_STRING},
201 {"$W", "abstract-unix-socket", ARG_FILENAME},
202 {"$X", "tls-max", ARG_STRING},
203 {"$Y", "suppress-connect-headers", ARG_BOOL},
204 {"$Z", "compressed-ssh", ARG_BOOL},
205 {"$~", "happy-eyeballs-timeout-ms", ARG_STRING},
206 {"$!", "retry-all-errors", ARG_BOOL},
207 {"0", "http1.0", ARG_NONE},
208 {"01", "http1.1", ARG_NONE},
209 {"02", "http2", ARG_NONE},
210 {"03", "http2-prior-knowledge", ARG_NONE},
211 {"04", "http3", ARG_NONE},
212 {"05", "http3-only", ARG_NONE},
213 {"09", "http0.9", ARG_BOOL},
214 {"1", "tlsv1", ARG_NONE},
215 {"10", "tlsv1.0", ARG_NONE},
216 {"11", "tlsv1.1", ARG_NONE},
217 {"12", "tlsv1.2", ARG_NONE},
218 {"13", "tlsv1.3", ARG_NONE},
219 {"1A", "tls13-ciphers", ARG_STRING},
220 {"1B", "proxy-tls13-ciphers", ARG_STRING},
221 {"2", "sslv2", ARG_NONE},
222 {"3", "sslv3", ARG_NONE},
223 {"4", "ipv4", ARG_NONE},
224 {"6", "ipv6", ARG_NONE},
225 {"a", "append", ARG_BOOL},
226 {"A", "user-agent", ARG_STRING},
227 {"b", "cookie", ARG_STRING},
228 {"ba", "alt-svc", ARG_STRING},
229 {"bb", "hsts", ARG_STRING},
230 {"B", "use-ascii", ARG_BOOL},
231 {"c", "cookie-jar", ARG_STRING},
232 {"C", "continue-at", ARG_STRING},
233 {"d", "data", ARG_STRING},
234 {"dr", "data-raw", ARG_STRING},
235 {"da", "data-ascii", ARG_STRING},
236 {"db", "data-binary", ARG_STRING},
237 {"de", "data-urlencode", ARG_STRING},
238 {"df", "json", ARG_STRING},
239 {"dg", "url-query", ARG_STRING},
240 {"D", "dump-header", ARG_FILENAME},
241 {"e", "referer", ARG_STRING},
242 {"E", "cert", ARG_FILENAME},
243 {"Ea", "cacert", ARG_FILENAME},
244 {"Eb", "cert-type", ARG_STRING},
245 {"Ec", "key", ARG_FILENAME},
246 {"Ed", "key-type", ARG_STRING},
247 {"Ee", "pass", ARG_STRING},
248 {"Ef", "engine", ARG_STRING},
249 {"Eg", "capath", ARG_FILENAME},
250 {"Eh", "pubkey", ARG_STRING},
251 {"Ei", "hostpubmd5", ARG_STRING},
252 {"EF", "hostpubsha256", ARG_STRING},
253 {"Ej", "crlfile", ARG_FILENAME},
254 {"Ek", "tlsuser", ARG_STRING},
255 {"El", "tlspassword", ARG_STRING},
256 {"Em", "tlsauthtype", ARG_STRING},
257 {"En", "ssl-allow-beast", ARG_BOOL},
258 {"Eo", "ssl-auto-client-cert", ARG_BOOL},
259 {"EO", "proxy-ssl-auto-client-cert", ARG_BOOL},
260 {"Ep", "pinnedpubkey", ARG_STRING},
261 {"EP", "proxy-pinnedpubkey", ARG_STRING},
262 {"Eq", "cert-status", ARG_BOOL},
263 {"EQ", "doh-cert-status", ARG_BOOL},
264 {"Er", "false-start", ARG_BOOL},
265 {"Es", "ssl-no-revoke", ARG_BOOL},
266 {"ES", "ssl-revoke-best-effort", ARG_BOOL},
267 {"Et", "tcp-fastopen", ARG_BOOL},
268 {"Eu", "proxy-tlsuser", ARG_STRING},
269 {"Ev", "proxy-tlspassword", ARG_STRING},
270 {"Ew", "proxy-tlsauthtype", ARG_STRING},
271 {"Ex", "proxy-cert", ARG_FILENAME},
272 {"Ey", "proxy-cert-type", ARG_STRING},
273 {"Ez", "proxy-key", ARG_FILENAME},
274 {"E0", "proxy-key-type", ARG_STRING},
275 {"E1", "proxy-pass", ARG_STRING},
276 {"E2", "proxy-ciphers", ARG_STRING},
277 {"E3", "proxy-crlfile", ARG_FILENAME},
278 {"E4", "proxy-ssl-allow-beast", ARG_BOOL},
279 {"E5", "login-options", ARG_STRING},
280 {"E6", "proxy-cacert", ARG_FILENAME},
281 {"E7", "proxy-capath", ARG_FILENAME},
282 {"E8", "proxy-insecure", ARG_BOOL},
283 {"E9", "proxy-tlsv1", ARG_NONE},
284 {"EA", "socks5-basic", ARG_BOOL},
285 {"EB", "socks5-gssapi", ARG_BOOL},
286 {"EC", "etag-save", ARG_FILENAME},
287 {"ED", "etag-compare", ARG_FILENAME},
288 {"EE", "curves", ARG_STRING},
289 {"f", "fail", ARG_BOOL},
290 {"fa", "fail-early", ARG_BOOL},
291 {"fb", "styled-output", ARG_BOOL},
292 {"fc", "mail-rcpt-allowfails", ARG_BOOL},
293 {"fd", "fail-with-body", ARG_BOOL},
294 {"fe", "remove-on-error", ARG_BOOL},
295 {"F", "form", ARG_STRING},
296 {"Fs", "form-string", ARG_STRING},
297 {"g", "globoff", ARG_BOOL},
298 {"G", "get", ARG_BOOL},
299 {"Ga", "request-target", ARG_STRING},
300 {"h", "help", ARG_BOOL},
301 {"H", "header", ARG_STRING},
302 {"Hp", "proxy-header", ARG_STRING},
303 {"i", "include", ARG_BOOL},
304 {"I", "head", ARG_BOOL},
305 {"j", "junk-session-cookies", ARG_BOOL},
306 {"J", "remote-header-name", ARG_BOOL},
307 {"k", "insecure", ARG_BOOL},
308 {"kd", "doh-insecure", ARG_BOOL},
309 {"K", "config", ARG_FILENAME},
310 {"l", "list-only", ARG_BOOL},
311 {"L", "location", ARG_BOOL},
312 {"Lt", "location-trusted", ARG_BOOL},
313 {"m", "max-time", ARG_STRING},
314 {"M", "manual", ARG_BOOL},
315 {"n", "netrc", ARG_BOOL},
316 {"no", "netrc-optional", ARG_BOOL},
317 {"ne", "netrc-file", ARG_FILENAME},
318 {"N", "buffer", ARG_BOOL},
319 /* 'buffer' listed as --no-buffer in the help */
320 {"o", "output", ARG_FILENAME},
321 {"O", "remote-name", ARG_BOOL},
322 {"Oa", "remote-name-all", ARG_BOOL},
323 {"Ob", "output-dir", ARG_STRING},
324 {"Oc", "clobber", ARG_BOOL},
325 {"p", "proxytunnel", ARG_BOOL},
326 {"P", "ftp-port", ARG_STRING},
327 {"q", "disable", ARG_BOOL},
328 {"Q", "quote", ARG_STRING},
329 {"r", "range", ARG_STRING},
330 {"R", "remote-time", ARG_BOOL},
331 {"s", "silent", ARG_BOOL},
332 {"S", "show-error", ARG_BOOL},
333 {"t", "telnet-option", ARG_STRING},
334 {"T", "upload-file", ARG_FILENAME},
335 {"u", "user", ARG_STRING},
336 {"U", "proxy-user", ARG_STRING},
337 {"v", "verbose", ARG_BOOL},
338 {"V", "version", ARG_BOOL},
339 {"w", "write-out", ARG_STRING},
340 {"x", "proxy", ARG_STRING},
341 {"xa", "preproxy", ARG_STRING},
342 {"X", "request", ARG_STRING},
343 {"Y", "speed-limit", ARG_STRING},
344 {"y", "speed-time", ARG_STRING},
345 {"z", "time-cond", ARG_STRING},
346 {"Z", "parallel", ARG_BOOL},
347 {"Zb", "parallel-max", ARG_STRING},
348 {"Zc", "parallel-immediate", ARG_BOOL},
349 {"#", "progress-bar", ARG_BOOL},
350 {"#m", "progress-meter", ARG_BOOL},
351 {":", "next", ARG_NONE},
352 };
353
354 /* Split the argument of -E to 'certname' and 'passphrase' separated by colon.
355 * We allow ':' and '\' to be escaped by '\' so that we can use certificate
356 * nicknames containing ':'. See <https://sourceforge.net/p/curl/bugs/1196/>
357 * for details. */
358 #ifndef UNITTESTS
359 static
360 #endif
parse_cert_parameter(const char * cert_parameter,char ** certname,char ** passphrase)361 void parse_cert_parameter(const char *cert_parameter,
362 char **certname,
363 char **passphrase)
364 {
365 size_t param_length = strlen(cert_parameter);
366 size_t span;
367 const char *param_place = NULL;
368 char *certname_place = NULL;
369 *certname = NULL;
370 *passphrase = NULL;
371
372 /* most trivial assumption: cert_parameter is empty */
373 if(param_length == 0)
374 return;
375
376 /* next less trivial: cert_parameter starts 'pkcs11:' and thus
377 * looks like a RFC7512 PKCS#11 URI which can be used as-is.
378 * Also if cert_parameter contains no colon nor backslash, this
379 * means no passphrase was given and no characters escaped */
380 if(curl_strnequal(cert_parameter, "pkcs11:", 7) ||
381 !strpbrk(cert_parameter, ":\\")) {
382 *certname = strdup(cert_parameter);
383 return;
384 }
385 /* deal with escaped chars; find unescaped colon if it exists */
386 certname_place = malloc(param_length + 1);
387 if(!certname_place)
388 return;
389
390 *certname = certname_place;
391 param_place = cert_parameter;
392 while(*param_place) {
393 span = strcspn(param_place, ":\\");
394 strncpy(certname_place, param_place, span);
395 param_place += span;
396 certname_place += span;
397 /* we just ate all the non-special chars. now we're on either a special
398 * char or the end of the string. */
399 switch(*param_place) {
400 case '\0':
401 break;
402 case '\\':
403 param_place++;
404 switch(*param_place) {
405 case '\0':
406 *certname_place++ = '\\';
407 break;
408 case '\\':
409 *certname_place++ = '\\';
410 param_place++;
411 break;
412 case ':':
413 *certname_place++ = ':';
414 param_place++;
415 break;
416 default:
417 *certname_place++ = '\\';
418 *certname_place++ = *param_place;
419 param_place++;
420 break;
421 }
422 break;
423 case ':':
424 /* Since we live in a world of weirdness and confusion, the win32
425 dudes can use : when using drive letters and thus c:\file:password
426 needs to work. In order not to break compatibility, we still use : as
427 separator, but we try to detect when it is used for a file name! On
428 windows. */
429 #ifdef WIN32
430 if((param_place == &cert_parameter[1]) &&
431 (cert_parameter[2] == '\\' || cert_parameter[2] == '/') &&
432 (ISALPHA(cert_parameter[0])) ) {
433 /* colon in the second column, followed by a backslash, and the
434 first character is an alphabetic letter:
435
436 this is a drive letter colon */
437 *certname_place++ = ':';
438 param_place++;
439 break;
440 }
441 #endif
442 /* escaped colons and Windows drive letter colons were handled
443 * above; if we're still here, this is a separating colon */
444 param_place++;
445 if(*param_place) {
446 *passphrase = strdup(param_place);
447 }
448 goto done;
449 }
450 }
451 done:
452 *certname_place = '\0';
453 }
454
455 /* Replace (in-place) '%20' by '+' according to RFC1866 */
replace_url_encoded_space_by_plus(char * url)456 static size_t replace_url_encoded_space_by_plus(char *url)
457 {
458 size_t orig_len = strlen(url);
459 size_t orig_index = 0;
460 size_t new_index = 0;
461
462 while(orig_index < orig_len) {
463 if((url[orig_index] == '%') &&
464 (url[orig_index + 1] == '2') &&
465 (url[orig_index + 2] == '0')) {
466 url[new_index] = '+';
467 orig_index += 3;
468 }
469 else{
470 if(new_index != orig_index) {
471 url[new_index] = url[orig_index];
472 }
473 orig_index++;
474 }
475 new_index++;
476 }
477
478 url[new_index] = 0; /* terminate string */
479
480 return new_index; /* new size */
481 }
482
483 static void
GetFileAndPassword(char * nextarg,char ** file,char ** password)484 GetFileAndPassword(char *nextarg, char **file, char **password)
485 {
486 char *certname, *passphrase;
487 parse_cert_parameter(nextarg, &certname, &passphrase);
488 Curl_safefree(*file);
489 *file = certname;
490 if(passphrase) {
491 Curl_safefree(*password);
492 *password = passphrase;
493 }
494 }
495
496 /* Get a size parameter for '--limit-rate' or '--max-filesize'.
497 * We support a 'G', 'M' or 'K' suffix too.
498 */
GetSizeParameter(struct GlobalConfig * global,const char * arg,const char * which,curl_off_t * value_out)499 static ParameterError GetSizeParameter(struct GlobalConfig *global,
500 const char *arg,
501 const char *which,
502 curl_off_t *value_out)
503 {
504 char *unit;
505 curl_off_t value;
506
507 if(curlx_strtoofft(arg, &unit, 10, &value)) {
508 warnf(global, "invalid number specified for %s\n", which);
509 return PARAM_BAD_USE;
510 }
511
512 if(!*unit)
513 unit = (char *)"b";
514 else if(strlen(unit) > 1)
515 unit = (char *)"w"; /* unsupported */
516
517 switch(*unit) {
518 case 'G':
519 case 'g':
520 if(value > (CURL_OFF_T_MAX / (1024*1024*1024)))
521 return PARAM_NUMBER_TOO_LARGE;
522 value *= 1024*1024*1024;
523 break;
524 case 'M':
525 case 'm':
526 if(value > (CURL_OFF_T_MAX / (1024*1024)))
527 return PARAM_NUMBER_TOO_LARGE;
528 value *= 1024*1024;
529 break;
530 case 'K':
531 case 'k':
532 if(value > (CURL_OFF_T_MAX / 1024))
533 return PARAM_NUMBER_TOO_LARGE;
534 value *= 1024;
535 break;
536 case 'b':
537 case 'B':
538 /* for plain bytes, leave as-is */
539 break;
540 default:
541 warnf(global, "unsupported %s unit. Use G, M, K or B!\n", which);
542 return PARAM_BAD_USE;
543 }
544 *value_out = value;
545 return PARAM_OK;
546 }
547
548 #ifdef HAVE_WRITABLE_ARGV
cleanarg(argv_item_t str)549 static void cleanarg(argv_item_t str)
550 {
551 /* now that GetStr has copied the contents of nextarg, wipe the next
552 * argument out so that the username:password isn't displayed in the
553 * system process list */
554 if(str) {
555 size_t len = strlen(str);
556 memset(str, ' ', len);
557 }
558 }
559 #else
560 #define cleanarg(x)
561 #endif
562
563 /* --data-urlencode */
data_urlencode(struct GlobalConfig * global,char * nextarg,char ** postp,size_t * lenp)564 static ParameterError data_urlencode(struct GlobalConfig *global,
565 char *nextarg,
566 char **postp,
567 size_t *lenp)
568 {
569 /* [name]=[content], we encode the content part only
570 * [name]@[file name]
571 *
572 * Case 2: we first load the file using that name and then encode
573 * the content.
574 */
575 ParameterError err;
576 const char *p = strchr(nextarg, '=');
577 size_t nlen;
578 char is_file;
579 char *postdata = NULL;
580 size_t size = 0;
581 if(!p)
582 /* there was no '=' letter, check for a '@' instead */
583 p = strchr(nextarg, '@');
584 if(p) {
585 nlen = p - nextarg; /* length of the name part */
586 is_file = *p++; /* pass the separator */
587 }
588 else {
589 /* neither @ nor =, so no name and it isn't a file */
590 nlen = is_file = 0;
591 p = nextarg;
592 }
593 if('@' == is_file) {
594 FILE *file;
595 /* a '@' letter, it means that a file name or - (stdin) follows */
596 if(!strcmp("-", p)) {
597 file = stdin;
598 set_binmode(stdin);
599 }
600 else {
601 file = fopen(p, "rb");
602 if(!file)
603 warnf(global,
604 "Couldn't read data from file \"%s\", this makes "
605 "an empty POST.\n", nextarg);
606 }
607
608 err = file2memory(&postdata, &size, file);
609
610 if(file && (file != stdin))
611 fclose(file);
612 if(err)
613 return err;
614 }
615 else {
616 GetStr(&postdata, p);
617 if(postdata)
618 size = strlen(postdata);
619 }
620
621 if(!postdata) {
622 /* no data from the file, point to a zero byte string to make this
623 get sent as a POST anyway */
624 postdata = strdup("");
625 if(!postdata)
626 return PARAM_NO_MEM;
627 size = 0;
628 }
629 else {
630 char *enc = curl_easy_escape(NULL, postdata, (int)size);
631 Curl_safefree(postdata); /* no matter if it worked or not */
632 if(enc) {
633 /* replace (in-place) '%20' by '+' according to RFC1866 */
634 size_t enclen = replace_url_encoded_space_by_plus(enc);
635 /* now make a string with the name from above and append the
636 encoded string */
637 size_t outlen = nlen + enclen + 2;
638 char *n = malloc(outlen);
639 if(!n) {
640 curl_free(enc);
641 return PARAM_NO_MEM;
642 }
643 if(nlen > 0) { /* only append '=' if we have a name */
644 msnprintf(n, outlen, "%.*s=%s", (int)nlen, nextarg, enc);
645 size = outlen-1;
646 }
647 else {
648 strcpy(n, enc);
649 size = outlen-2; /* since no '=' was inserted */
650 }
651 curl_free(enc);
652 postdata = n;
653 }
654 else
655 return PARAM_NO_MEM;
656 }
657 *postp = postdata;
658 *lenp = size;
659 return PARAM_OK;
660 }
661
sethttpver(struct GlobalConfig * global,struct OperationConfig * config,long httpversion)662 static void sethttpver(struct GlobalConfig *global,
663 struct OperationConfig *config,
664 long httpversion)
665 {
666 if(config->httpversion &&
667 (config->httpversion != httpversion))
668 warnf(global, "Overrides previous HTTP version option\n");
669
670 config->httpversion = httpversion;
671 }
672
getparameter(const char * flag,char * nextarg,argv_item_t cleararg,bool * usedarg,struct GlobalConfig * global,struct OperationConfig * config)673 ParameterError getparameter(const char *flag, /* f or -long-flag */
674 char *nextarg, /* NULL if unset */
675 argv_item_t cleararg,
676 bool *usedarg, /* set to TRUE if the arg
677 has been used */
678 struct GlobalConfig *global,
679 struct OperationConfig *config)
680 {
681 char letter;
682 char subletter = '\0'; /* subletters can only occur on long options */
683 int rc;
684 const char *parse = NULL;
685 unsigned int j;
686 time_t now;
687 int hit = -1;
688 bool longopt = FALSE;
689 bool singleopt = FALSE; /* when true means '-o foo' used '-ofoo' */
690 ParameterError err;
691 bool toggle = TRUE; /* how to switch boolean options, on or off. Controlled
692 by using --OPTION or --no-OPTION */
693 static const char *redir_protos[] = {
694 "http",
695 "https",
696 "ftp",
697 "ftps",
698 NULL
699 };
700 #ifdef HAVE_WRITABLE_ARGV
701 argv_item_t clearthis = NULL;
702 #else
703 (void)cleararg;
704 #endif
705
706 *usedarg = FALSE; /* default is that we don't use the arg */
707
708 if(('-' != flag[0]) || ('-' == flag[1])) {
709 /* this should be a long name */
710 const char *word = ('-' == flag[0]) ? flag + 2 : flag;
711 size_t fnam = strlen(word);
712 int numhits = 0;
713 bool noflagged = FALSE;
714
715 if(!strncmp(word, "no-", 3)) {
716 /* disable this option but ignore the "no-" part when looking for it */
717 word += 3;
718 toggle = FALSE;
719 noflagged = TRUE;
720 }
721
722 for(j = 0; j < sizeof(aliases)/sizeof(aliases[0]); j++) {
723 if(curl_strnequal(aliases[j].lname, word, fnam)) {
724 longopt = TRUE;
725 numhits++;
726 if(curl_strequal(aliases[j].lname, word)) {
727 parse = aliases[j].letter;
728 hit = j;
729 numhits = 1; /* a single unique hit */
730 break;
731 }
732 parse = aliases[j].letter;
733 hit = j;
734 }
735 }
736 if(numhits > 1) {
737 /* this is at least the second match! */
738 return PARAM_OPTION_AMBIGUOUS;
739 }
740 if(hit < 0) {
741 return PARAM_OPTION_UNKNOWN;
742 }
743 if(noflagged && (aliases[hit].desc != ARG_BOOL))
744 /* --no- prefixed an option that isn't boolean! */
745 return PARAM_NO_NOT_BOOLEAN;
746 }
747 else {
748 flag++; /* prefixed with one dash, pass it */
749 hit = -1;
750 parse = flag;
751 }
752
753 do {
754 /* we can loop here if we have multiple single-letters */
755
756 if(!longopt) {
757 letter = (char)*parse;
758 subletter = '\0';
759 }
760 else {
761 letter = parse[0];
762 subletter = parse[1];
763 }
764
765 if(hit < 0) {
766 for(j = 0; j < sizeof(aliases)/sizeof(aliases[0]); j++) {
767 if(letter == aliases[j].letter[0]) {
768 hit = j;
769 break;
770 }
771 }
772 if(hit < 0) {
773 return PARAM_OPTION_UNKNOWN;
774 }
775 }
776
777 if(aliases[hit].desc >= ARG_STRING) {
778 /* this option requires an extra parameter */
779 if(!longopt && parse[1]) {
780 nextarg = (char *)&parse[1]; /* this is the actual extra parameter */
781 singleopt = TRUE; /* don't loop anymore after this */
782 }
783 else if(!nextarg)
784 return PARAM_REQUIRES_PARAMETER;
785 else {
786 #ifdef HAVE_WRITABLE_ARGV
787 clearthis = cleararg;
788 #endif
789 *usedarg = TRUE; /* mark it as used */
790 }
791
792 if((aliases[hit].desc == ARG_FILENAME) &&
793 (nextarg[0] == '-') && nextarg[1]) {
794 /* if the file name looks like a command line option */
795 warnf(global, "The file name argument '%s' looks like a flag.\n",
796 nextarg);
797 }
798 }
799 else if((aliases[hit].desc == ARG_NONE) && !toggle)
800 return PARAM_NO_PREFIX;
801
802 switch(letter) {
803 case '*': /* options without a short option */
804 switch(subletter) {
805 case '4': /* --dns-ipv4-addr */
806 if(!curlinfo->ares_num) /* c-ares is needed for this */
807 return PARAM_LIBCURL_DOESNT_SUPPORT;
808 /* addr in dot notation */
809 GetStr(&config->dns_ipv4_addr, nextarg);
810 break;
811 case '6': /* --dns-ipv6-addr */
812 if(!curlinfo->ares_num) /* c-ares is needed for this */
813 return PARAM_LIBCURL_DOESNT_SUPPORT;
814 /* addr in dot notation */
815 GetStr(&config->dns_ipv6_addr, nextarg);
816 break;
817 case 'a': /* random-file */
818 break;
819 case 'b': /* egd-file */
820 break;
821 case 'B': /* OAuth 2.0 bearer token */
822 GetStr(&config->oauth_bearer, nextarg);
823 cleanarg(clearthis);
824 config->authtype |= CURLAUTH_BEARER;
825 break;
826 case 'c': /* connect-timeout */
827 err = secs2ms(&config->connecttimeout_ms, nextarg);
828 if(err)
829 return err;
830 break;
831 case 'C': /* doh-url */
832 GetStr(&config->doh_url, nextarg);
833 if(config->doh_url && !config->doh_url[0])
834 /* if given a blank string, we make it NULL again */
835 Curl_safefree(config->doh_url);
836 break;
837 case 'd': /* ciphers */
838 GetStr(&config->cipher_list, nextarg);
839 break;
840 case 'D': /* --dns-interface */
841 if(!curlinfo->ares_num) /* c-ares is needed for this */
842 return PARAM_LIBCURL_DOESNT_SUPPORT;
843 /* interface name */
844 GetStr(&config->dns_interface, nextarg);
845 break;
846 case 'e': /* --disable-epsv */
847 config->disable_epsv = toggle;
848 break;
849 case 'f': /* --disallow-username-in-url */
850 config->disallow_username_in_url = toggle;
851 break;
852 case 'E': /* --epsv */
853 config->disable_epsv = (!toggle)?TRUE:FALSE;
854 break;
855 case 'F': /* --dns-servers */
856 if(!curlinfo->ares_num) /* c-ares is needed for this */
857 return PARAM_LIBCURL_DOESNT_SUPPORT;
858 /* IP addrs of DNS servers */
859 GetStr(&config->dns_servers, nextarg);
860 break;
861 case 'g': /* --trace */
862 GetStr(&global->trace_dump, nextarg);
863 if(global->tracetype && (global->tracetype != TRACE_BIN))
864 warnf(global, "--trace overrides an earlier trace/verbose option\n");
865 global->tracetype = TRACE_BIN;
866 break;
867 case 'G': /* --npn */
868 warnf(global, "--npn is no longer supported\n");
869 break;
870 case 'h': /* --trace-ascii */
871 GetStr(&global->trace_dump, nextarg);
872 if(global->tracetype && (global->tracetype != TRACE_ASCII))
873 warnf(global,
874 "--trace-ascii overrides an earlier trace/verbose option\n");
875 global->tracetype = TRACE_ASCII;
876 break;
877 case 'H': /* --alpn */
878 config->noalpn = (!toggle)?TRUE:FALSE;
879 break;
880 case 'i': /* --limit-rate */
881 {
882 curl_off_t value;
883 ParameterError pe = GetSizeParameter(global, nextarg, "rate", &value);
884
885 if(pe != PARAM_OK)
886 return pe;
887 config->recvpersecond = value;
888 config->sendpersecond = value;
889 }
890 break;
891 case 'I': /* --rate (request rate) */
892 {
893 /* support a few different suffixes, extract the suffix first, then
894 get the number and convert to per hour.
895 /s == per second
896 /m == per minute
897 /h == per hour (default)
898 /d == per day (24 hours)
899 */
900 char *div = strchr(nextarg, '/');
901 char number[26];
902 long denominator;
903 long numerator = 60*60*1000; /* default per hour */
904 size_t numlen = div ? (size_t)(div - nextarg) : strlen(nextarg);
905 if(numlen > sizeof(number)-1)
906 return PARAM_NUMBER_TOO_LARGE;
907 strncpy(number, nextarg, numlen);
908 number[numlen] = 0;
909 err = str2unum(&denominator, number);
910 if(err)
911 return err;
912 if(denominator < 1)
913 return PARAM_BAD_USE;
914 if(div) {
915 char unit = div[1];
916 switch(unit) {
917 case 's': /* per second */
918 numerator = 1000;
919 break;
920 case 'm': /* per minute */
921 numerator = 60*1000;
922 break;
923 case 'h': /* per hour */
924 break;
925 case 'd': /* per day */
926 numerator = 24*60*60*1000;
927 break;
928 default:
929 errorf(global, "unsupported --rate unit\n");
930 return PARAM_BAD_USE;
931 }
932 }
933 global->ms_per_transfer = numerator/denominator;
934 }
935 break;
936
937 case 'j': /* --compressed */
938 if(toggle && !(feature_libz || feature_brotli || feature_zstd))
939 return PARAM_LIBCURL_DOESNT_SUPPORT;
940 config->encoding = toggle;
941 break;
942
943 case 'J': /* --tr-encoding */
944 config->tr_encoding = toggle;
945 break;
946
947 case 'k': /* --digest */
948 if(toggle)
949 config->authtype |= CURLAUTH_DIGEST;
950 else
951 config->authtype &= ~CURLAUTH_DIGEST;
952 break;
953
954 case 'l': /* --negotiate */
955 if(!toggle)
956 config->authtype &= ~CURLAUTH_NEGOTIATE;
957 else if(feature_spnego)
958 config->authtype |= CURLAUTH_NEGOTIATE;
959 else
960 return PARAM_LIBCURL_DOESNT_SUPPORT;
961 break;
962
963 case 'm': /* --ntlm */
964 if(!toggle)
965 config->authtype &= ~CURLAUTH_NTLM;
966 else if(feature_ntlm)
967 config->authtype |= CURLAUTH_NTLM;
968 else
969 return PARAM_LIBCURL_DOESNT_SUPPORT;
970 break;
971
972 case 'M': /* --ntlm-wb */
973 if(!toggle)
974 config->authtype &= ~CURLAUTH_NTLM_WB;
975 else if(feature_ntlm_wb)
976 config->authtype |= CURLAUTH_NTLM_WB;
977 else
978 return PARAM_LIBCURL_DOESNT_SUPPORT;
979 break;
980
981 case 'n': /* --basic for completeness */
982 if(toggle)
983 config->authtype |= CURLAUTH_BASIC;
984 else
985 config->authtype &= ~CURLAUTH_BASIC;
986 break;
987
988 case 'o': /* --anyauth, let libcurl pick it */
989 if(toggle)
990 config->authtype = CURLAUTH_ANY;
991 /* --no-anyauth simply doesn't touch it */
992 break;
993
994 #ifdef USE_WATT32
995 case 'p': /* --wdebug */
996 dbug_init();
997 break;
998 #endif
999 case 'q': /* --ftp-create-dirs */
1000 config->ftp_create_dirs = toggle;
1001 break;
1002
1003 case 'r': /* --create-dirs */
1004 config->create_dirs = toggle;
1005 break;
1006
1007 case 'R': /* --create-file-mode */
1008 err = oct2nummax(&config->create_file_mode, nextarg, 0777);
1009 if(err)
1010 return err;
1011 break;
1012
1013 case 's': /* --max-redirs */
1014 /* specified max no of redirects (http(s)), this accepts -1 as a
1015 special condition */
1016 err = str2num(&config->maxredirs, nextarg);
1017 if(err)
1018 return err;
1019 if(config->maxredirs < -1)
1020 return PARAM_BAD_NUMERIC;
1021 break;
1022
1023 case 't': /* --proxy-ntlm */
1024 if(!feature_ntlm)
1025 return PARAM_LIBCURL_DOESNT_SUPPORT;
1026 config->proxyntlm = toggle;
1027 break;
1028
1029 case 'u': /* --crlf */
1030 /* LF -> CRLF conversion? */
1031 config->crlf = toggle;
1032 break;
1033
1034 case 'V': /* --aws-sigv4 */
1035 config->authtype |= CURLAUTH_AWS_SIGV4;
1036 GetStr(&config->aws_sigv4, nextarg);
1037 break;
1038
1039 case 'v': /* --stderr */
1040 tool_set_stderr_file(nextarg);
1041 break;
1042 case 'w': /* --interface */
1043 /* interface */
1044 GetStr(&config->iface, nextarg);
1045 break;
1046 case 'x': /* --krb */
1047 /* kerberos level string */
1048 if(!feature_spnego)
1049 return PARAM_LIBCURL_DOESNT_SUPPORT;
1050 GetStr(&config->krblevel, nextarg);
1051 break;
1052 case 'X': /* --haproxy-protocol */
1053 config->haproxy_protocol = toggle;
1054 break;
1055 case 'y': /* --max-filesize */
1056 {
1057 curl_off_t value;
1058 ParameterError pe =
1059 GetSizeParameter(global, nextarg, "max-filesize", &value);
1060
1061 if(pe != PARAM_OK)
1062 return pe;
1063 config->max_filesize = value;
1064 }
1065 break;
1066 case 'z': /* --disable-eprt */
1067 config->disable_eprt = toggle;
1068 break;
1069 case 'Z': /* --eprt */
1070 config->disable_eprt = (!toggle)?TRUE:FALSE;
1071 break;
1072 case '~': /* --xattr */
1073 config->xattr = toggle;
1074 break;
1075 case '@': /* the URL! */
1076 {
1077 struct getout *url;
1078
1079 if(!config->url_get)
1080 config->url_get = config->url_list;
1081
1082 if(config->url_get) {
1083 /* there's a node here, if it already is filled-in continue to find
1084 an "empty" node */
1085 while(config->url_get && (config->url_get->flags & GETOUT_URL))
1086 config->url_get = config->url_get->next;
1087 }
1088
1089 /* now there might or might not be an available node to fill in! */
1090
1091 if(config->url_get)
1092 /* existing node */
1093 url = config->url_get;
1094 else
1095 /* there was no free node, create one! */
1096 config->url_get = url = new_getout(config);
1097
1098 if(!url)
1099 return PARAM_NO_MEM;
1100
1101 /* fill in the URL */
1102 GetStr(&url->url, nextarg);
1103 url->flags |= GETOUT_URL;
1104 }
1105 }
1106 break;
1107 case '$': /* more options without a short option */
1108 switch(subletter) {
1109 case 'a': /* --ssl */
1110 if(toggle && !feature_ssl)
1111 return PARAM_LIBCURL_DOESNT_SUPPORT;
1112 config->ftp_ssl = toggle;
1113 if(config->ftp_ssl)
1114 warnf(global,
1115 "--ssl is an insecure option, consider --ssl-reqd instead\n");
1116 break;
1117 case 'b': /* --ftp-pasv */
1118 Curl_safefree(config->ftpport);
1119 break;
1120 case 'c': /* --socks5 specifies a socks5 proxy to use, and resolves
1121 the name locally and passes on the resolved address */
1122 GetStr(&config->proxy, nextarg);
1123 config->proxyver = CURLPROXY_SOCKS5;
1124 break;
1125 case 't': /* --socks4 specifies a socks4 proxy to use */
1126 GetStr(&config->proxy, nextarg);
1127 config->proxyver = CURLPROXY_SOCKS4;
1128 break;
1129 case 'T': /* --socks4a specifies a socks4a proxy to use */
1130 GetStr(&config->proxy, nextarg);
1131 config->proxyver = CURLPROXY_SOCKS4A;
1132 break;
1133 case '2': /* --socks5-hostname specifies a socks5 proxy and enables name
1134 resolving with the proxy */
1135 GetStr(&config->proxy, nextarg);
1136 config->proxyver = CURLPROXY_SOCKS5_HOSTNAME;
1137 break;
1138 case 'd': /* --tcp-nodelay option */
1139 config->tcp_nodelay = toggle;
1140 break;
1141 case 'e': /* --proxy-digest */
1142 config->proxydigest = toggle;
1143 break;
1144 case 'f': /* --proxy-basic */
1145 config->proxybasic = toggle;
1146 break;
1147 case 'g': /* --retry */
1148 err = str2unum(&config->req_retry, nextarg);
1149 if(err)
1150 return err;
1151 break;
1152 case 'V': /* --retry-connrefused */
1153 config->retry_connrefused = toggle;
1154 break;
1155 case 'h': /* --retry-delay */
1156 err = str2unummax(&config->retry_delay, nextarg, LONG_MAX/1000);
1157 if(err)
1158 return err;
1159 break;
1160 case 'i': /* --retry-max-time */
1161 err = str2unummax(&config->retry_maxtime, nextarg, LONG_MAX/1000);
1162 if(err)
1163 return err;
1164 break;
1165 case '!': /* --retry-all-errors */
1166 config->retry_all_errors = toggle;
1167 break;
1168
1169 case 'k': /* --proxy-negotiate */
1170 if(!feature_spnego)
1171 return PARAM_LIBCURL_DOESNT_SUPPORT;
1172 config->proxynegotiate = toggle;
1173 break;
1174
1175 case 'l': /* --form-escape */
1176 config->mime_options &= ~CURLMIMEOPT_FORMESCAPE;
1177 if(toggle)
1178 config->mime_options |= CURLMIMEOPT_FORMESCAPE;
1179 break;
1180
1181 case 'm': /* --ftp-account */
1182 GetStr(&config->ftp_account, nextarg);
1183 break;
1184 case 'n': /* --proxy-anyauth */
1185 config->proxyanyauth = toggle;
1186 break;
1187 case 'o': /* --trace-time */
1188 global->tracetime = toggle;
1189 break;
1190 case 'p': /* --ignore-content-length */
1191 config->ignorecl = toggle;
1192 break;
1193 case 'q': /* --ftp-skip-pasv-ip */
1194 config->ftp_skip_ip = toggle;
1195 break;
1196 case 'r': /* --ftp-method (undocumented at this point) */
1197 config->ftp_filemethod = ftpfilemethod(config, nextarg);
1198 break;
1199 case 's': { /* --local-port */
1200 /* 16bit base 10 is 5 digits, but we allow 6 so that this catches
1201 overflows, not just truncates */
1202 char lrange[7]="";
1203 char *p = nextarg;
1204 while(ISDIGIT(*p))
1205 p++;
1206 if(*p) {
1207 /* if there's anything more than a plain decimal number */
1208 rc = sscanf(p, " - %6s", lrange);
1209 *p = 0; /* null-terminate to make str2unum() work below */
1210 }
1211 else
1212 rc = 0;
1213
1214 err = str2unum(&config->localport, nextarg);
1215 if(err || (config->localport > 65535))
1216 return PARAM_BAD_USE;
1217 if(!rc)
1218 config->localportrange = 1; /* default number of ports to try */
1219 else {
1220 err = str2unum(&config->localportrange, lrange);
1221 if(err || (config->localportrange > 65535))
1222 return PARAM_BAD_USE;
1223 config->localportrange -= (config->localport-1);
1224 if(config->localportrange < 1)
1225 return PARAM_BAD_USE;
1226 }
1227 break;
1228 }
1229 case 'u': /* --ftp-alternative-to-user */
1230 GetStr(&config->ftp_alternative_to_user, nextarg);
1231 break;
1232 case 'v': /* --ssl-reqd */
1233 if(toggle && !feature_ssl)
1234 return PARAM_LIBCURL_DOESNT_SUPPORT;
1235 config->ftp_ssl_reqd = toggle;
1236 break;
1237 case 'w': /* --no-sessionid */
1238 config->disable_sessionid = (!toggle)?TRUE:FALSE;
1239 break;
1240 case 'x': /* --ftp-ssl-control */
1241 if(toggle && !feature_ssl)
1242 return PARAM_LIBCURL_DOESNT_SUPPORT;
1243 config->ftp_ssl_control = toggle;
1244 break;
1245 case 'y': /* --ftp-ssl-ccc */
1246 config->ftp_ssl_ccc = toggle;
1247 if(!config->ftp_ssl_ccc_mode)
1248 config->ftp_ssl_ccc_mode = CURLFTPSSL_CCC_PASSIVE;
1249 break;
1250 case 'j': /* --ftp-ssl-ccc-mode */
1251 config->ftp_ssl_ccc = TRUE;
1252 config->ftp_ssl_ccc_mode = ftpcccmethod(config, nextarg);
1253 break;
1254 case 'z': /* --libcurl */
1255 #ifdef CURL_DISABLE_LIBCURL_OPTION
1256 warnf(global,
1257 "--libcurl option was disabled at build-time!\n");
1258 return PARAM_OPTION_UNKNOWN;
1259 #else
1260 GetStr(&global->libcurl, nextarg);
1261 break;
1262 #endif
1263 case '#': /* --raw */
1264 config->raw = toggle;
1265 break;
1266 case '0': /* --post301 */
1267 config->post301 = toggle;
1268 break;
1269 case '1': /* --no-keepalive */
1270 config->nokeepalive = (!toggle)?TRUE:FALSE;
1271 break;
1272 case '3': /* --keepalive-time */
1273 err = str2unum(&config->alivetime, nextarg);
1274 if(err)
1275 return err;
1276 break;
1277 case '4': /* --post302 */
1278 config->post302 = toggle;
1279 break;
1280 case 'I': /* --post303 */
1281 config->post303 = toggle;
1282 break;
1283 case '5': /* --noproxy */
1284 /* This specifies the noproxy list */
1285 GetStr(&config->noproxy, nextarg);
1286 break;
1287 case '7': /* --socks5-gssapi-nec */
1288 config->socks5_gssapi_nec = toggle;
1289 break;
1290 case '8': /* --proxy1.0 */
1291 /* http 1.0 proxy */
1292 GetStr(&config->proxy, nextarg);
1293 config->proxyver = CURLPROXY_HTTP_1_0;
1294 break;
1295 case '9': /* --tftp-blksize */
1296 err = str2unum(&config->tftp_blksize, nextarg);
1297 if(err)
1298 return err;
1299 break;
1300 case 'A': /* --mail-from */
1301 GetStr(&config->mail_from, nextarg);
1302 break;
1303 case 'B': /* --mail-rcpt */
1304 /* append receiver to a list */
1305 err = add2list(&config->mail_rcpt, nextarg);
1306 if(err)
1307 return err;
1308 break;
1309 case 'C': /* --ftp-pret */
1310 config->ftp_pret = toggle;
1311 break;
1312 case 'D': /* --proto */
1313 config->proto_present = TRUE;
1314 err = proto2num(config, built_in_protos, &config->proto_str, nextarg);
1315 if(err)
1316 return err;
1317 break;
1318 case 'E': /* --proto-redir */
1319 config->proto_redir_present = TRUE;
1320 if(proto2num(config, redir_protos, &config->proto_redir_str, nextarg))
1321 return PARAM_BAD_USE;
1322 break;
1323 case 'F': /* --resolve */
1324 err = add2list(&config->resolve, nextarg);
1325 if(err)
1326 return err;
1327 break;
1328 case 'G': /* --delegation LEVEL */
1329 config->gssapi_delegation = delegation(config, nextarg);
1330 break;
1331 case 'H': /* --mail-auth */
1332 GetStr(&config->mail_auth, nextarg);
1333 break;
1334 case 'J': /* --metalink */
1335 errorf(global, "--metalink is disabled\n");
1336 return PARAM_BAD_USE;
1337 case '6': /* --sasl-authzid */
1338 GetStr(&config->sasl_authzid, nextarg);
1339 break;
1340 case 'K': /* --sasl-ir */
1341 config->sasl_ir = toggle;
1342 break;
1343 case 'L': /* --test-event */
1344 #ifdef CURLDEBUG
1345 global->test_event_based = toggle;
1346 #else
1347 warnf(global, "--test-event is ignored unless a debug build!\n");
1348 #endif
1349 break;
1350 case 'M': /* --unix-socket */
1351 config->abstract_unix_socket = FALSE;
1352 GetStr(&config->unix_socket_path, nextarg);
1353 break;
1354 case 'N': /* --path-as-is */
1355 config->path_as_is = toggle;
1356 break;
1357 case 'O': /* --proxy-service-name */
1358 GetStr(&config->proxy_service_name, nextarg);
1359 break;
1360 case 'P': /* --service-name */
1361 GetStr(&config->service_name, nextarg);
1362 break;
1363 case 'Q': /* --proto-default */
1364 GetStr(&config->proto_default, nextarg);
1365 err = check_protocol(config->proto_default);
1366 if(err)
1367 return err;
1368 break;
1369 case 'R': /* --expect100-timeout */
1370 err = secs2ms(&config->expect100timeout_ms, nextarg);
1371 if(err)
1372 return err;
1373 break;
1374 case 'S': /* --tftp-no-options */
1375 config->tftp_no_options = toggle;
1376 break;
1377 case 'U': /* --connect-to */
1378 err = add2list(&config->connect_to, nextarg);
1379 if(err)
1380 return err;
1381 break;
1382 case 'W': /* --abstract-unix-socket */
1383 config->abstract_unix_socket = TRUE;
1384 GetStr(&config->unix_socket_path, nextarg);
1385 break;
1386 case 'X': /* --tls-max */
1387 err = str2tls_max(&config->ssl_version_max, nextarg);
1388 if(err)
1389 return err;
1390 break;
1391 case 'Y': /* --suppress-connect-headers */
1392 config->suppress_connect_headers = toggle;
1393 break;
1394 case 'Z': /* --compressed-ssh */
1395 config->ssh_compression = toggle;
1396 break;
1397 case '~': /* --happy-eyeballs-timeout-ms */
1398 err = str2unum(&config->happy_eyeballs_timeout_ms, nextarg);
1399 if(err)
1400 return err;
1401 /* 0 is a valid value for this timeout */
1402 break;
1403 }
1404 break;
1405 case '#':
1406 switch(subletter) {
1407 case 'm': /* --progress-meter */
1408 global->noprogress = !toggle;
1409 break;
1410 default: /* --progress-bar */
1411 global->progressmode =
1412 toggle ? CURL_PROGRESS_BAR : CURL_PROGRESS_STATS;
1413 break;
1414 }
1415 break;
1416 case ':': /* --next */
1417 return PARAM_NEXT_OPERATION;
1418 case '0': /* --http* options */
1419 switch(subletter) {
1420 case '\0':
1421 /* HTTP version 1.0 */
1422 sethttpver(global, config, CURL_HTTP_VERSION_1_0);
1423 break;
1424 case '1':
1425 /* HTTP version 1.1 */
1426 sethttpver(global, config, CURL_HTTP_VERSION_1_1);
1427 break;
1428 case '2':
1429 /* HTTP version 2.0 */
1430 sethttpver(global, config, CURL_HTTP_VERSION_2_0);
1431 break;
1432 case '3': /* --http2-prior-knowledge */
1433 /* HTTP version 2.0 over clean TCP */
1434 sethttpver(global, config, CURL_HTTP_VERSION_2_PRIOR_KNOWLEDGE);
1435 break;
1436 case '4': /* --http3 */
1437 /* Try HTTP/3, allow fallback */
1438 if(!feature_http3)
1439 return PARAM_LIBCURL_DOESNT_SUPPORT;
1440 sethttpver(global, config, CURL_HTTP_VERSION_3);
1441 break;
1442 case '5': /* --http3-only */
1443 /* Try HTTP/3 without fallback */
1444 if(!feature_http3)
1445 return PARAM_LIBCURL_DOESNT_SUPPORT;
1446 sethttpver(global, config, CURL_HTTP_VERSION_3ONLY);
1447 break;
1448 case '9':
1449 /* Allow HTTP/0.9 responses! */
1450 config->http09_allowed = toggle;
1451 break;
1452 }
1453 break;
1454 case '1': /* --tlsv1* options */
1455 switch(subletter) {
1456 case '\0':
1457 /* TLS version 1.x */
1458 config->ssl_version = CURL_SSLVERSION_TLSv1;
1459 break;
1460 case '0':
1461 /* TLS version 1.0 */
1462 config->ssl_version = CURL_SSLVERSION_TLSv1_0;
1463 break;
1464 case '1':
1465 /* TLS version 1.1 */
1466 config->ssl_version = CURL_SSLVERSION_TLSv1_1;
1467 break;
1468 case '2':
1469 /* TLS version 1.2 */
1470 config->ssl_version = CURL_SSLVERSION_TLSv1_2;
1471 break;
1472 case '3':
1473 /* TLS version 1.3 */
1474 config->ssl_version = CURL_SSLVERSION_TLSv1_3;
1475 break;
1476 case 'A': /* --tls13-ciphers */
1477 GetStr(&config->cipher13_list, nextarg);
1478 break;
1479 case 'B': /* --proxy-tls13-ciphers */
1480 GetStr(&config->proxy_cipher13_list, nextarg);
1481 break;
1482 }
1483 break;
1484 case '2':
1485 /* SSL version 2 */
1486 warnf(global, "Ignores instruction to use SSLv2\n");
1487 break;
1488 case '3':
1489 /* SSL version 3 */
1490 warnf(global, "Ignores instruction to use SSLv3\n");
1491 break;
1492 case '4':
1493 /* IPv4 */
1494 config->ip_version = CURL_IPRESOLVE_V4;
1495 break;
1496 case '6':
1497 /* IPv6 */
1498 config->ip_version = CURL_IPRESOLVE_V6;
1499 break;
1500 case 'a':
1501 /* This makes the FTP sessions use APPE instead of STOR */
1502 config->ftp_append = toggle;
1503 break;
1504 case 'A':
1505 /* This specifies the User-Agent name */
1506 GetStr(&config->useragent, nextarg);
1507 break;
1508 case 'b':
1509 switch(subletter) {
1510 case 'a': /* --alt-svc */
1511 if(!feature_altsvc)
1512 return PARAM_LIBCURL_DOESNT_SUPPORT;
1513 GetStr(&config->altsvc, nextarg);
1514 break;
1515 case 'b': /* --hsts */
1516 if(!feature_hsts)
1517 return PARAM_LIBCURL_DOESNT_SUPPORT;
1518 GetStr(&config->hsts, nextarg);
1519 break;
1520 default: /* --cookie string coming up: */
1521 if(nextarg[0] == '@') {
1522 nextarg++;
1523 }
1524 else if(strchr(nextarg, '=')) {
1525 /* A cookie string must have a =-letter */
1526 err = add2list(&config->cookies, nextarg);
1527 if(err)
1528 return err;
1529 break;
1530 }
1531 /* We have a cookie file to read from! */
1532 err = add2list(&config->cookiefiles, nextarg);
1533 if(err)
1534 return err;
1535 }
1536 break;
1537 case 'B':
1538 /* use ASCII/text when transferring */
1539 config->use_ascii = toggle;
1540 break;
1541 case 'c':
1542 /* get the file name to dump all cookies in */
1543 GetStr(&config->cookiejar, nextarg);
1544 break;
1545 case 'C':
1546 /* This makes us continue an ftp transfer at given position */
1547 if(strcmp(nextarg, "-")) {
1548 err = str2offset(&config->resume_from, nextarg);
1549 if(err)
1550 return err;
1551 config->resume_from_current = FALSE;
1552 }
1553 else {
1554 config->resume_from_current = TRUE;
1555 config->resume_from = 0;
1556 }
1557 config->use_resume = TRUE;
1558 break;
1559 case 'd':
1560 /* postfield data */
1561 {
1562 char *postdata = NULL;
1563 FILE *file;
1564 size_t size = 0;
1565 bool raw_mode = (subletter == 'r');
1566
1567 if(subletter == 'g') { /* --url-query */
1568 #define MAX_QUERY_LEN 100000 /* larger is not likely to ever work */
1569 char *query;
1570 struct curlx_dynbuf dyn;
1571 curlx_dyn_init(&dyn, MAX_QUERY_LEN);
1572
1573 if(*nextarg == '+') {
1574 /* use without encoding */
1575 query = strdup(&nextarg[1]);
1576 if(!query)
1577 return PARAM_NO_MEM;
1578 }
1579 else {
1580 err = data_urlencode(global, nextarg, &query, &size);
1581 if(err)
1582 return err;
1583 }
1584
1585 if(config->query) {
1586 CURLcode result =
1587 curlx_dyn_addf(&dyn, "%s&%s", config->query, query);
1588 free(query);
1589 if(result)
1590 return PARAM_NO_MEM;
1591 free(config->query);
1592 config->query = curlx_dyn_ptr(&dyn);
1593 }
1594 else
1595 config->query = query;
1596
1597 break; /* this is not a POST argument at all */
1598 }
1599 else if(subletter == 'e') { /* --data-urlencode */
1600 err = data_urlencode(global, nextarg, &postdata, &size);
1601 if(err)
1602 return err;
1603 }
1604 else if('@' == *nextarg && !raw_mode) {
1605 /* the data begins with a '@' letter, it means that a file name
1606 or - (stdin) follows */
1607 nextarg++; /* pass the @ */
1608
1609 if(!strcmp("-", nextarg)) {
1610 file = stdin;
1611 if(subletter == 'b') /* forced data-binary */
1612 set_binmode(stdin);
1613 }
1614 else {
1615 file = fopen(nextarg, "rb");
1616 if(!file)
1617 warnf(global, "Couldn't read data from file \"%s\", this makes "
1618 "an empty POST.\n", nextarg);
1619 }
1620
1621 if((subletter == 'b') || /* --data-binary */
1622 (subletter == 'f') /* --json */)
1623 /* forced binary */
1624 err = file2memory(&postdata, &size, file);
1625 else {
1626 err = file2string(&postdata, file);
1627 if(postdata)
1628 size = strlen(postdata);
1629 }
1630
1631 if(file && (file != stdin))
1632 fclose(file);
1633 if(err)
1634 return err;
1635
1636 if(!postdata) {
1637 /* no data from the file, point to a zero byte string to make this
1638 get sent as a POST anyway */
1639 postdata = strdup("");
1640 if(!postdata)
1641 return PARAM_NO_MEM;
1642 }
1643 }
1644 else {
1645 GetStr(&postdata, nextarg);
1646 if(postdata)
1647 size = strlen(postdata);
1648 }
1649 if(subletter == 'f')
1650 config->jsoned = TRUE;
1651
1652 if(config->postfields) {
1653 /* we already have a string, we append this one with a separating
1654 &-letter */
1655 char *oldpost = config->postfields;
1656 curl_off_t oldlen = config->postfieldsize;
1657 curl_off_t newlen = oldlen + curlx_uztoso(size) + 2;
1658 config->postfields = malloc((size_t)newlen);
1659 if(!config->postfields) {
1660 Curl_safefree(oldpost);
1661 Curl_safefree(postdata);
1662 return PARAM_NO_MEM;
1663 }
1664 memcpy(config->postfields, oldpost, (size_t)oldlen);
1665 if(subletter != 'f') {
1666 /* skip this treatment for --json */
1667 /* use byte value 0x26 for '&' to accommodate non-ASCII platforms */
1668 config->postfields[oldlen] = '\x26';
1669 memcpy(&config->postfields[oldlen + 1], postdata, size);
1670 config->postfields[oldlen + 1 + size] = '\0';
1671 config->postfieldsize += size + 1;
1672 }
1673 else {
1674 memcpy(&config->postfields[oldlen], postdata, size);
1675 config->postfields[oldlen + size] = '\0';
1676 config->postfieldsize += size;
1677 }
1678 Curl_safefree(oldpost);
1679 Curl_safefree(postdata);
1680 }
1681 else {
1682 config->postfields = postdata;
1683 config->postfieldsize = curlx_uztoso(size);
1684 }
1685 }
1686 /*
1687 We can't set the request type here, as this data might be used in
1688 a simple GET if -G is used. Already or soon.
1689
1690 if(SetHTTPrequest(HTTPREQ_SIMPLEPOST, &config->httpreq)) {
1691 Curl_safefree(postdata);
1692 return PARAM_BAD_USE;
1693 }
1694 */
1695 break;
1696 case 'D':
1697 /* dump-header to given file name */
1698 GetStr(&config->headerfile, nextarg);
1699 break;
1700 case 'e':
1701 {
1702 char *ptr = strstr(nextarg, ";auto");
1703 if(ptr) {
1704 /* Automatic referer requested, this may be combined with a
1705 set initial one */
1706 config->autoreferer = TRUE;
1707 *ptr = 0; /* null-terminate here */
1708 }
1709 else
1710 config->autoreferer = FALSE;
1711 ptr = *nextarg ? nextarg : NULL;
1712 GetStr(&config->referer, ptr);
1713 }
1714 break;
1715 case 'E':
1716 switch(subletter) {
1717 case '\0': /* certificate file */
1718 cleanarg(clearthis);
1719 GetFileAndPassword(nextarg, &config->cert, &config->key_passwd);
1720 break;
1721 case 'a': /* CA info PEM file */
1722 GetStr(&config->cacert, nextarg);
1723 break;
1724 case 'b': /* cert file type */
1725 GetStr(&config->cert_type, nextarg);
1726 break;
1727 case 'c': /* private key file */
1728 GetStr(&config->key, nextarg);
1729 break;
1730 case 'd': /* private key file type */
1731 GetStr(&config->key_type, nextarg);
1732 break;
1733 case 'e': /* private key passphrase */
1734 GetStr(&config->key_passwd, nextarg);
1735 cleanarg(clearthis);
1736 break;
1737 case 'f': /* crypto engine */
1738 GetStr(&config->engine, nextarg);
1739 if(config->engine && curl_strequal(config->engine, "list"))
1740 return PARAM_ENGINES_REQUESTED;
1741 break;
1742 case 'g': /* CA cert directory */
1743 GetStr(&config->capath, nextarg);
1744 break;
1745 case 'h': /* --pubkey public key file */
1746 GetStr(&config->pubkey, nextarg);
1747 break;
1748 case 'i': /* --hostpubmd5 md5 of the host public key */
1749 GetStr(&config->hostpubmd5, nextarg);
1750 if(!config->hostpubmd5 || strlen(config->hostpubmd5) != 32)
1751 return PARAM_BAD_USE;
1752 break;
1753 case 'F': /* --hostpubsha256 sha256 of the host public key */
1754 GetStr(&config->hostpubsha256, nextarg);
1755 break;
1756 case 'j': /* CRL file */
1757 GetStr(&config->crlfile, nextarg);
1758 break;
1759 case 'k': /* TLS username */
1760 if(!feature_tls_srp) {
1761 cleanarg(clearthis);
1762 return PARAM_LIBCURL_DOESNT_SUPPORT;
1763 }
1764 GetStr(&config->tls_username, nextarg);
1765 cleanarg(clearthis);
1766 break;
1767 case 'l': /* TLS password */
1768 if(!feature_tls_srp) {
1769 cleanarg(clearthis);
1770 return PARAM_LIBCURL_DOESNT_SUPPORT;
1771 }
1772 GetStr(&config->tls_password, nextarg);
1773 cleanarg(clearthis);
1774 break;
1775 case 'm': /* TLS authentication type */
1776 if(!feature_tls_srp)
1777 return PARAM_LIBCURL_DOESNT_SUPPORT;
1778 GetStr(&config->tls_authtype, nextarg);
1779 if(!curl_strequal(config->tls_authtype, "SRP"))
1780 return PARAM_LIBCURL_DOESNT_SUPPORT; /* only support TLS-SRP */
1781 break;
1782 case 'n': /* no empty SSL fragments, --ssl-allow-beast */
1783 if(feature_ssl)
1784 config->ssl_allow_beast = toggle;
1785 break;
1786
1787 case 'o': /* --ssl-auto-client-cert */
1788 if(feature_ssl)
1789 config->ssl_auto_client_cert = toggle;
1790 break;
1791
1792 case 'O': /* --proxy-ssl-auto-client-cert */
1793 if(feature_ssl)
1794 config->proxy_ssl_auto_client_cert = toggle;
1795 break;
1796
1797 case 'p': /* Pinned public key DER file */
1798 GetStr(&config->pinnedpubkey, nextarg);
1799 break;
1800
1801 case 'P': /* proxy pinned public key */
1802 GetStr(&config->proxy_pinnedpubkey, nextarg);
1803 break;
1804
1805 case 'q': /* --cert-status */
1806 config->verifystatus = TRUE;
1807 break;
1808
1809 case 'Q': /* --doh-cert-status */
1810 config->doh_verifystatus = TRUE;
1811 break;
1812
1813 case 'r': /* --false-start */
1814 config->falsestart = TRUE;
1815 break;
1816
1817 case 's': /* --ssl-no-revoke */
1818 if(feature_ssl)
1819 config->ssl_no_revoke = TRUE;
1820 break;
1821
1822 case 'S': /* --ssl-revoke-best-effort */
1823 if(feature_ssl)
1824 config->ssl_revoke_best_effort = TRUE;
1825 break;
1826
1827 case 't': /* --tcp-fastopen */
1828 config->tcp_fastopen = TRUE;
1829 break;
1830
1831 case 'u': /* TLS username for proxy */
1832 cleanarg(clearthis);
1833 if(!feature_tls_srp)
1834 return PARAM_LIBCURL_DOESNT_SUPPORT;
1835 GetStr(&config->proxy_tls_username, nextarg);
1836 break;
1837
1838 case 'v': /* TLS password for proxy */
1839 cleanarg(clearthis);
1840 if(!feature_tls_srp)
1841 return PARAM_LIBCURL_DOESNT_SUPPORT;
1842 GetStr(&config->proxy_tls_password, nextarg);
1843 break;
1844
1845 case 'w': /* TLS authentication type for proxy */
1846 if(!feature_tls_srp)
1847 return PARAM_LIBCURL_DOESNT_SUPPORT;
1848 GetStr(&config->proxy_tls_authtype, nextarg);
1849 if(!curl_strequal(config->proxy_tls_authtype, "SRP"))
1850 return PARAM_LIBCURL_DOESNT_SUPPORT; /* only support TLS-SRP */
1851 break;
1852
1853 case 'x': /* certificate file for proxy */
1854 cleanarg(clearthis);
1855 GetFileAndPassword(nextarg, &config->proxy_cert,
1856 &config->proxy_key_passwd);
1857 break;
1858
1859 case 'y': /* cert file type for proxy */
1860 GetStr(&config->proxy_cert_type, nextarg);
1861 break;
1862
1863 case 'z': /* private key file for proxy */
1864 GetStr(&config->proxy_key, nextarg);
1865 break;
1866
1867 case '0': /* private key file type for proxy */
1868 GetStr(&config->proxy_key_type, nextarg);
1869 break;
1870
1871 case '1': /* private key passphrase for proxy */
1872 GetStr(&config->proxy_key_passwd, nextarg);
1873 cleanarg(clearthis);
1874 break;
1875
1876 case '2': /* ciphers for proxy */
1877 GetStr(&config->proxy_cipher_list, nextarg);
1878 break;
1879
1880 case '3': /* CRL file for proxy */
1881 GetStr(&config->proxy_crlfile, nextarg);
1882 break;
1883
1884 case '4': /* no empty SSL fragments for proxy */
1885 if(feature_ssl)
1886 config->proxy_ssl_allow_beast = toggle;
1887 break;
1888
1889 case '5': /* --login-options */
1890 GetStr(&config->login_options, nextarg);
1891 break;
1892
1893 case '6': /* CA info PEM file for proxy */
1894 GetStr(&config->proxy_cacert, nextarg);
1895 break;
1896
1897 case '7': /* CA cert directory for proxy */
1898 GetStr(&config->proxy_capath, nextarg);
1899 break;
1900
1901 case '8': /* allow insecure SSL connects for proxy */
1902 config->proxy_insecure_ok = toggle;
1903 break;
1904
1905 case '9': /* --proxy-tlsv1 */
1906 /* TLS version 1 for proxy */
1907 config->proxy_ssl_version = CURL_SSLVERSION_TLSv1;
1908 break;
1909
1910 case 'A':
1911 /* --socks5-basic */
1912 if(toggle)
1913 config->socks5_auth |= CURLAUTH_BASIC;
1914 else
1915 config->socks5_auth &= ~CURLAUTH_BASIC;
1916 break;
1917
1918 case 'B':
1919 /* --socks5-gssapi */
1920 if(toggle)
1921 config->socks5_auth |= CURLAUTH_GSSAPI;
1922 else
1923 config->socks5_auth &= ~CURLAUTH_GSSAPI;
1924 break;
1925
1926 case 'C':
1927 GetStr(&config->etag_save_file, nextarg);
1928 break;
1929
1930 case 'D':
1931 GetStr(&config->etag_compare_file, nextarg);
1932 break;
1933
1934 case 'E':
1935 GetStr(&config->ssl_ec_curves, nextarg);
1936 break;
1937
1938 default: /* unknown flag */
1939 return PARAM_OPTION_UNKNOWN;
1940 }
1941 break;
1942 case 'f':
1943 switch(subletter) {
1944 case 'a': /* --fail-early */
1945 global->fail_early = toggle;
1946 break;
1947 case 'b': /* --styled-output */
1948 global->styled_output = toggle;
1949 break;
1950 case 'c': /* --mail-rcpt-allowfails */
1951 config->mail_rcpt_allowfails = toggle;
1952 break;
1953 case 'd': /* --fail-with-body */
1954 config->failwithbody = toggle;
1955 break;
1956 case 'e': /* --remove-on-error */
1957 config->rm_partial = toggle;
1958 break;
1959 default: /* --fail (hard on errors) */
1960 config->failonerror = toggle;
1961 break;
1962 }
1963 if(config->failonerror && config->failwithbody) {
1964 errorf(config->global, "You must select either --fail or "
1965 "--fail-with-body, not both.\n");
1966 return PARAM_BAD_USE;
1967 }
1968 break;
1969 case 'F':
1970 /* "form data" simulation, this is a little advanced so lets do our best
1971 to sort this out slowly and carefully */
1972 if(formparse(config,
1973 nextarg,
1974 &config->mimeroot,
1975 &config->mimecurrent,
1976 (subletter == 's')?TRUE:FALSE)) /* 's' is literal string */
1977 return PARAM_BAD_USE;
1978 if(SetHTTPrequest(config, HTTPREQ_MIMEPOST, &config->httpreq))
1979 return PARAM_BAD_USE;
1980 break;
1981
1982 case 'g': /* g disables URLglobbing */
1983 config->globoff = toggle;
1984 break;
1985
1986 case 'G': /* HTTP GET */
1987 if(subletter == 'a') { /* --request-target */
1988 GetStr(&config->request_target, nextarg);
1989 }
1990 else
1991 config->use_httpget = toggle;
1992 break;
1993
1994 case 'h': /* h for help */
1995 if(toggle) {
1996 if(nextarg) {
1997 global->help_category = strdup(nextarg);
1998 if(!global->help_category)
1999 return PARAM_NO_MEM;
2000 }
2001 return PARAM_HELP_REQUESTED;
2002 }
2003 /* we now actually support --no-help too! */
2004 break;
2005 case 'H':
2006 /* A custom header to append to a list */
2007 if(nextarg[0] == '@') {
2008 /* read many headers from a file or stdin */
2009 char *string;
2010 size_t len;
2011 bool use_stdin = !strcmp(&nextarg[1], "-");
2012 FILE *file = use_stdin?stdin:fopen(&nextarg[1], FOPEN_READTEXT);
2013 if(!file)
2014 warnf(global, "Failed to open %s!\n", &nextarg[1]);
2015 else {
2016 err = file2memory(&string, &len, file);
2017 if(!err && string) {
2018 /* Allow strtok() here since this isn't used threaded */
2019 /* !checksrc! disable BANNEDFUNC 2 */
2020 char *h = strtok(string, "\r\n");
2021 while(h) {
2022 if(subletter == 'p') /* --proxy-header */
2023 err = add2list(&config->proxyheaders, h);
2024 else
2025 err = add2list(&config->headers, h);
2026 if(err)
2027 break;
2028 h = strtok(NULL, "\r\n");
2029 }
2030 free(string);
2031 }
2032 if(!use_stdin)
2033 fclose(file);
2034 if(err)
2035 return err;
2036 }
2037 }
2038 else {
2039 if(subletter == 'p') /* --proxy-header */
2040 err = add2list(&config->proxyheaders, nextarg);
2041 else
2042 err = add2list(&config->headers, nextarg);
2043 if(err)
2044 return err;
2045 }
2046 break;
2047 case 'i':
2048 config->show_headers = toggle; /* show the headers as well in the
2049 general output stream */
2050 break;
2051 case 'j':
2052 config->cookiesession = toggle;
2053 break;
2054 case 'I': /* --head */
2055 config->no_body = toggle;
2056 config->show_headers = toggle;
2057 if(SetHTTPrequest(config,
2058 (config->no_body)?HTTPREQ_HEAD:HTTPREQ_GET,
2059 &config->httpreq))
2060 return PARAM_BAD_USE;
2061 break;
2062 case 'J': /* --remote-header-name */
2063 config->content_disposition = toggle;
2064 break;
2065 case 'k': /* allow insecure SSL connects */
2066 if(subletter == 'd') /* --doh-insecure */
2067 config->doh_insecure_ok = toggle;
2068 else
2069 config->insecure_ok = toggle;
2070 break;
2071 case 'K': /* parse config file */
2072 if(parseconfig(nextarg, global)) {
2073 errorf(global, "cannot read config from '%s'\n", nextarg);
2074 return PARAM_READ_ERROR;
2075 }
2076 break;
2077 case 'l':
2078 config->dirlistonly = toggle; /* only list the names of the FTP dir */
2079 break;
2080 case 'L':
2081 config->followlocation = toggle; /* Follow Location: HTTP headers */
2082 switch(subletter) {
2083 case 't':
2084 /* Continue to send authentication (user+password) when following
2085 * locations, even when hostname changed */
2086 config->unrestricted_auth = toggle;
2087 break;
2088 }
2089 break;
2090 case 'm':
2091 /* specified max time */
2092 err = secs2ms(&config->timeout_ms, nextarg);
2093 if(err)
2094 return err;
2095 break;
2096 case 'M': /* M for manual, huge help */
2097 if(toggle) { /* --no-manual shows no manual... */
2098 #ifndef USE_MANUAL
2099 warnf(global,
2100 "built-in manual was disabled at build-time!\n");
2101 #endif
2102 return PARAM_MANUAL_REQUESTED;
2103 }
2104 break;
2105 case 'n':
2106 switch(subletter) {
2107 case 'o': /* use .netrc or URL */
2108 config->netrc_opt = toggle;
2109 break;
2110 case 'e': /* netrc-file */
2111 GetStr(&config->netrc_file, nextarg);
2112 break;
2113 default:
2114 /* pick info from .netrc, if this is used for http, curl will
2115 automatically enforce user+password with the request */
2116 config->netrc = toggle;
2117 break;
2118 }
2119 break;
2120 case 'N':
2121 /* disable the output I/O buffering. note that the option is called
2122 --buffer but is mostly used in the negative form: --no-buffer */
2123 config->nobuffer = longopt ? !toggle : TRUE;
2124 break;
2125 case 'O': /* --remote-name */
2126 if(subletter == 'a') { /* --remote-name-all */
2127 config->default_node_flags = toggle?GETOUT_USEREMOTE:0;
2128 break;
2129 }
2130 else if(subletter == 'b') { /* --output-dir */
2131 GetStr(&config->output_dir, nextarg);
2132 break;
2133 }
2134 else if(subletter == 'c') { /* --clobber / --no-clobber */
2135 config->file_clobber_mode = toggle ? CLOBBER_ALWAYS : CLOBBER_NEVER;
2136 break;
2137 }
2138 /* FALLTHROUGH */
2139 case 'o': /* --output */
2140 /* output file */
2141 {
2142 struct getout *url;
2143 if(!config->url_out)
2144 config->url_out = config->url_list;
2145 if(config->url_out) {
2146 /* there's a node here, if it already is filled-in continue to find
2147 an "empty" node */
2148 while(config->url_out && (config->url_out->flags & GETOUT_OUTFILE))
2149 config->url_out = config->url_out->next;
2150 }
2151
2152 /* now there might or might not be an available node to fill in! */
2153
2154 if(config->url_out)
2155 /* existing node */
2156 url = config->url_out;
2157 else {
2158 if(!toggle && !config->default_node_flags)
2159 break;
2160 /* there was no free node, create one! */
2161 config->url_out = url = new_getout(config);
2162 }
2163
2164 if(!url)
2165 return PARAM_NO_MEM;
2166
2167 /* fill in the outfile */
2168 if('o' == letter) {
2169 if(!*nextarg) {
2170 warnf(global, "output file name has no length\n");
2171 return PARAM_BAD_USE;
2172 }
2173 GetStr(&url->outfile, nextarg);
2174 url->flags &= ~GETOUT_USEREMOTE; /* switch off */
2175 }
2176 else {
2177 url->outfile = NULL; /* leave it */
2178 if(toggle)
2179 url->flags |= GETOUT_USEREMOTE; /* switch on */
2180 else
2181 url->flags &= ~GETOUT_USEREMOTE; /* switch off */
2182 }
2183 url->flags |= GETOUT_OUTFILE;
2184 }
2185 break;
2186 case 'P':
2187 /* This makes the FTP sessions use PORT instead of PASV */
2188 /* use <eth0> or <192.168.10.10> style addresses. Anything except
2189 this will make us try to get the "default" address.
2190 NOTE: this is a changed behavior since the released 4.1!
2191 */
2192 GetStr(&config->ftpport, nextarg);
2193 break;
2194 case 'p':
2195 /* proxy tunnel for non-http protocols */
2196 config->proxytunnel = toggle;
2197 break;
2198
2199 case 'q': /* if used first, already taken care of, we do it like
2200 this so we don't cause an error! */
2201 break;
2202 case 'Q':
2203 /* QUOTE command to send to FTP server */
2204 switch(nextarg[0]) {
2205 case '-':
2206 /* prefixed with a dash makes it a POST TRANSFER one */
2207 nextarg++;
2208 err = add2list(&config->postquote, nextarg);
2209 break;
2210 case '+':
2211 /* prefixed with a plus makes it a just-before-transfer one */
2212 nextarg++;
2213 err = add2list(&config->prequote, nextarg);
2214 break;
2215 default:
2216 err = add2list(&config->quote, nextarg);
2217 break;
2218 }
2219 if(err)
2220 return err;
2221 break;
2222 case 'r':
2223 /* Specifying a range WITHOUT A DASH will create an illegal HTTP range
2224 (and won't actually be range by definition). The man page previously
2225 claimed that to be a good way, why this code is added to work-around
2226 it. */
2227 if(ISDIGIT(*nextarg) && !strchr(nextarg, '-')) {
2228 char buffer[32];
2229 curl_off_t off;
2230 if(curlx_strtoofft(nextarg, NULL, 10, &off)) {
2231 warnf(global, "unsupported range point\n");
2232 return PARAM_BAD_USE;
2233 }
2234 warnf(global,
2235 "A specified range MUST include at least one dash (-). "
2236 "Appending one for you!\n");
2237 msnprintf(buffer, sizeof(buffer), "%" CURL_FORMAT_CURL_OFF_T "-", off);
2238 Curl_safefree(config->range);
2239 config->range = strdup(buffer);
2240 if(!config->range)
2241 return PARAM_NO_MEM;
2242 }
2243 else {
2244 /* byte range requested */
2245 const char *tmp_range = nextarg;
2246 while(*tmp_range != '\0') {
2247 if(!ISDIGIT(*tmp_range) && *tmp_range != '-' && *tmp_range != ',') {
2248 warnf(global, "Invalid character is found in given range. "
2249 "A specified range MUST have only digits in "
2250 "\'start\'-\'stop\'. The server's response to this "
2251 "request is uncertain.\n");
2252 break;
2253 }
2254 tmp_range++;
2255 }
2256 GetStr(&config->range, nextarg);
2257 }
2258 break;
2259 case 'R':
2260 /* use remote file's time */
2261 config->remote_time = toggle;
2262 break;
2263 case 's': /* --silent */
2264 global->silent = toggle;
2265 break;
2266 case 'S': /* --show-error */
2267 global->showerror = toggle;
2268 break;
2269 case 't':
2270 /* Telnet options */
2271 err = add2list(&config->telnet_options, nextarg);
2272 if(err)
2273 return err;
2274 break;
2275 case 'T':
2276 /* we are uploading */
2277 {
2278 struct getout *url;
2279 if(!config->url_ul)
2280 config->url_ul = config->url_list;
2281 if(config->url_ul) {
2282 /* there's a node here, if it already is filled-in continue to find
2283 an "empty" node */
2284 while(config->url_ul && (config->url_ul->flags & GETOUT_UPLOAD))
2285 config->url_ul = config->url_ul->next;
2286 }
2287
2288 /* now there might or might not be an available node to fill in! */
2289
2290 if(config->url_ul)
2291 /* existing node */
2292 url = config->url_ul;
2293 else
2294 /* there was no free node, create one! */
2295 config->url_ul = url = new_getout(config);
2296
2297 if(!url)
2298 return PARAM_NO_MEM;
2299
2300 url->flags |= GETOUT_UPLOAD; /* mark -T used */
2301 if(!*nextarg)
2302 url->flags |= GETOUT_NOUPLOAD;
2303 else {
2304 /* "-" equals stdin, but keep the string around for now */
2305 GetStr(&url->infile, nextarg);
2306 }
2307 }
2308 break;
2309 case 'u':
2310 /* user:password */
2311 GetStr(&config->userpwd, nextarg);
2312 cleanarg(clearthis);
2313 break;
2314 case 'U':
2315 /* Proxy user:password */
2316 GetStr(&config->proxyuserpwd, nextarg);
2317 cleanarg(clearthis);
2318 break;
2319 case 'v':
2320 if(toggle) {
2321 /* the '%' thing here will cause the trace get sent to stderr */
2322 Curl_safefree(global->trace_dump);
2323 global->trace_dump = strdup("%");
2324 if(!global->trace_dump)
2325 return PARAM_NO_MEM;
2326 if(global->tracetype && (global->tracetype != TRACE_PLAIN))
2327 warnf(global,
2328 "-v, --verbose overrides an earlier trace/verbose option\n");
2329 global->tracetype = TRACE_PLAIN;
2330 }
2331 else
2332 /* verbose is disabled here */
2333 global->tracetype = TRACE_NONE;
2334 break;
2335 case 'V':
2336 if(toggle) /* --no-version yields no output! */
2337 return PARAM_VERSION_INFO_REQUESTED;
2338 break;
2339
2340 case 'w':
2341 /* get the output string */
2342 if('@' == *nextarg) {
2343 /* the data begins with a '@' letter, it means that a file name
2344 or - (stdin) follows */
2345 FILE *file;
2346 const char *fname;
2347 nextarg++; /* pass the @ */
2348 if(!strcmp("-", nextarg)) {
2349 fname = "<stdin>";
2350 file = stdin;
2351 }
2352 else {
2353 fname = nextarg;
2354 file = fopen(nextarg, FOPEN_READTEXT);
2355 }
2356 Curl_safefree(config->writeout);
2357 err = file2string(&config->writeout, file);
2358 if(file && (file != stdin))
2359 fclose(file);
2360 if(err)
2361 return err;
2362 if(!config->writeout)
2363 warnf(global, "Failed to read %s", fname);
2364 }
2365 else
2366 GetStr(&config->writeout, nextarg);
2367 break;
2368 case 'x':
2369 switch(subletter) {
2370 case 'a': /* --preproxy */
2371 GetStr(&config->preproxy, nextarg);
2372 break;
2373 default:
2374 /* --proxy */
2375 GetStr(&config->proxy, nextarg);
2376 config->proxyver = CURLPROXY_HTTP;
2377 break;
2378 }
2379 break;
2380 case 'X':
2381 /* set custom request */
2382 GetStr(&config->customrequest, nextarg);
2383 break;
2384 case 'y':
2385 /* low speed time */
2386 err = str2unum(&config->low_speed_time, nextarg);
2387 if(err)
2388 return err;
2389 if(!config->low_speed_limit)
2390 config->low_speed_limit = 1;
2391 break;
2392 case 'Y':
2393 /* low speed limit */
2394 err = str2unum(&config->low_speed_limit, nextarg);
2395 if(err)
2396 return err;
2397 if(!config->low_speed_time)
2398 config->low_speed_time = 30;
2399 break;
2400 case 'Z':
2401 switch(subletter) {
2402 case '\0': /* --parallel */
2403 global->parallel = toggle;
2404 break;
2405 case 'b': /* --parallel-max */
2406 err = str2unum(&global->parallel_max, nextarg);
2407 if(err)
2408 return err;
2409 if(global->parallel_max > MAX_PARALLEL)
2410 global->parallel_max = MAX_PARALLEL;
2411 else if(global->parallel_max < 1)
2412 global->parallel_max = PARALLEL_DEFAULT;
2413 break;
2414 case 'c': /* --parallel-connect */
2415 global->parallel_connect = toggle;
2416 break;
2417 }
2418 break;
2419 case 'z': /* time condition coming up */
2420 switch(*nextarg) {
2421 case '+':
2422 nextarg++;
2423 /* FALLTHROUGH */
2424 default:
2425 /* If-Modified-Since: (section 14.28 in RFC2068) */
2426 config->timecond = CURL_TIMECOND_IFMODSINCE;
2427 break;
2428 case '-':
2429 /* If-Unmodified-Since: (section 14.24 in RFC2068) */
2430 config->timecond = CURL_TIMECOND_IFUNMODSINCE;
2431 nextarg++;
2432 break;
2433 case '=':
2434 /* Last-Modified: (section 14.29 in RFC2068) */
2435 config->timecond = CURL_TIMECOND_LASTMOD;
2436 nextarg++;
2437 break;
2438 }
2439 now = time(NULL);
2440 config->condtime = (curl_off_t)curl_getdate(nextarg, &now);
2441 if(-1 == config->condtime) {
2442 /* now let's see if it is a file name to get the time from instead! */
2443 curl_off_t filetime = getfiletime(nextarg, global);
2444 if(filetime >= 0) {
2445 /* pull the time out from the file */
2446 config->condtime = filetime;
2447 }
2448 else {
2449 /* failed, remove time condition */
2450 config->timecond = CURL_TIMECOND_NONE;
2451 warnf(global,
2452 "Illegal date format for -z, --time-cond (and not "
2453 "a file name). Disabling time condition. "
2454 "See curl_getdate(3) for valid date syntax.\n");
2455 }
2456 }
2457 break;
2458 default: /* unknown flag */
2459 return PARAM_OPTION_UNKNOWN;
2460 }
2461 hit = -1;
2462
2463 } while(!longopt && !singleopt && *++parse && !*usedarg);
2464
2465 return PARAM_OK;
2466 }
2467
parse_args(struct GlobalConfig * global,int argc,argv_item_t argv[])2468 ParameterError parse_args(struct GlobalConfig *global, int argc,
2469 argv_item_t argv[])
2470 {
2471 int i;
2472 bool stillflags;
2473 char *orig_opt = NULL;
2474 ParameterError result = PARAM_OK;
2475 struct OperationConfig *config = global->first;
2476
2477 for(i = 1, stillflags = TRUE; i < argc && !result; i++) {
2478 orig_opt = curlx_convert_tchar_to_UTF8(argv[i]);
2479 if(!orig_opt)
2480 return PARAM_NO_MEM;
2481
2482 if(stillflags && ('-' == orig_opt[0])) {
2483 bool passarg;
2484
2485 if(!strcmp("--", orig_opt))
2486 /* This indicates the end of the flags and thus enables the
2487 following (URL) argument to start with -. */
2488 stillflags = FALSE;
2489 else {
2490 char *nextarg = NULL;
2491 if(i < (argc - 1)) {
2492 nextarg = curlx_convert_tchar_to_UTF8(argv[i + 1]);
2493 if(!nextarg) {
2494 curlx_unicodefree(orig_opt);
2495 return PARAM_NO_MEM;
2496 }
2497 }
2498
2499 result = getparameter(orig_opt, nextarg, argv[i + 1], &passarg,
2500 global, config);
2501
2502 curlx_unicodefree(nextarg);
2503 config = global->last;
2504 if(result == PARAM_NEXT_OPERATION) {
2505 /* Reset result as PARAM_NEXT_OPERATION is only used here and not
2506 returned from this function */
2507 result = PARAM_OK;
2508
2509 if(config->url_list && config->url_list->url) {
2510 /* Allocate the next config */
2511 config->next = malloc(sizeof(struct OperationConfig));
2512 if(config->next) {
2513 /* Initialise the newly created config */
2514 config_init(config->next);
2515
2516 /* Set the global config pointer */
2517 config->next->global = global;
2518
2519 /* Update the last config pointer */
2520 global->last = config->next;
2521
2522 /* Move onto the new config */
2523 config->next->prev = config;
2524 config = config->next;
2525 }
2526 else
2527 result = PARAM_NO_MEM;
2528 }
2529 else {
2530 errorf(global, "missing URL before --next\n");
2531 result = PARAM_BAD_USE;
2532 }
2533 }
2534 else if(!result && passarg)
2535 i++; /* we're supposed to skip this */
2536 }
2537 }
2538 else {
2539 bool used;
2540
2541 /* Just add the URL please */
2542 result = getparameter("--url", orig_opt, argv[i], &used, global, config);
2543 }
2544
2545 if(!result)
2546 curlx_unicodefree(orig_opt);
2547 }
2548
2549 if(!result && config->content_disposition) {
2550 if(config->show_headers)
2551 result = PARAM_CONTDISP_SHOW_HEADER;
2552 else if(config->resume_from_current)
2553 result = PARAM_CONTDISP_RESUME_FROM;
2554 }
2555
2556 if(result && result != PARAM_HELP_REQUESTED &&
2557 result != PARAM_MANUAL_REQUESTED &&
2558 result != PARAM_VERSION_INFO_REQUESTED &&
2559 result != PARAM_ENGINES_REQUESTED) {
2560 const char *reason = param2text(result);
2561
2562 if(orig_opt && strcmp(":", orig_opt))
2563 helpf(stderr, "option %s: %s\n", orig_opt, reason);
2564 else
2565 helpf(stderr, "%s\n", reason);
2566 }
2567
2568 curlx_unicodefree(orig_opt);
2569 return result;
2570 }
2571