1 /***************************************************************************
2 * _ _ ____ _
3 * Project ___| | | | _ \| |
4 * / __| | | | |_) | |
5 * | (__| |_| | _ <| |___
6 * \___|\___/|_| \_\_____|
7 *
8 * Copyright (C) 1998 - 2021, 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 ***************************************************************************/
22 #include "tool_setup.h"
23
24 #include "strcase.h"
25
26 #define ENABLE_CURLX_PRINTF
27 /* use our own printf() functions */
28 #include "curlx.h"
29
30 #include "tool_binmode.h"
31 #include "tool_cfgable.h"
32 #include "tool_cb_prg.h"
33 #include "tool_convert.h"
34 #include "tool_filetime.h"
35 #include "tool_formparse.h"
36 #include "tool_getparam.h"
37 #include "tool_helpers.h"
38 #include "tool_libinfo.h"
39 #include "tool_msgs.h"
40 #include "tool_paramhlp.h"
41 #include "tool_parsecfg.h"
42 #include "tool_main.h"
43
44 #include "memdebug.h" /* keep this as LAST include */
45
46 #ifdef MSDOS
47 # define USE_WATT32
48 #endif
49
50 #define GetStr(str,val) do { \
51 if(*(str)) { \
52 free(*(str)); \
53 *(str) = NULL; \
54 } \
55 if((val)) { \
56 *(str) = strdup((val)); \
57 if(!(*(str))) \
58 return PARAM_NO_MEM; \
59 } \
60 } while(0)
61
62 struct LongShort {
63 const char *letter; /* short name option */
64 const char *lname; /* long name option */
65 enum {
66 ARG_NONE, /* stand-alone but not a boolean */
67 ARG_BOOL, /* accepts a --no-[name] prefix */
68 ARG_STRING, /* requires an argument */
69 ARG_FILENAME /* requires an argument, usually a file name */
70 } desc;
71 };
72
73 static const struct LongShort aliases[]= {
74 /* 'letter' strings with more than one character have *no* short option to
75 mention. */
76 {"*@", "url", ARG_STRING},
77 {"*4", "dns-ipv4-addr", ARG_STRING},
78 {"*6", "dns-ipv6-addr", ARG_STRING},
79 {"*a", "random-file", ARG_FILENAME},
80 {"*b", "egd-file", ARG_STRING},
81 {"*B", "oauth2-bearer", ARG_STRING},
82 {"*c", "connect-timeout", ARG_STRING},
83 {"*C", "doh-url" , ARG_STRING},
84 {"*d", "ciphers", ARG_STRING},
85 {"*D", "dns-interface", ARG_STRING},
86 {"*e", "disable-epsv", ARG_BOOL},
87 {"*f", "disallow-username-in-url", ARG_BOOL},
88 {"*E", "epsv", ARG_BOOL},
89 /* 'epsv' made like this to make --no-epsv and --epsv to work
90 although --disable-epsv is the documented option */
91 {"*F", "dns-servers", ARG_STRING},
92 {"*g", "trace", ARG_FILENAME},
93 {"*G", "npn", ARG_BOOL},
94 {"*h", "trace-ascii", ARG_FILENAME},
95 {"*H", "alpn", ARG_BOOL},
96 {"*i", "limit-rate", ARG_STRING},
97 {"*j", "compressed", ARG_BOOL},
98 {"*J", "tr-encoding", ARG_BOOL},
99 {"*k", "digest", ARG_BOOL},
100 {"*l", "negotiate", ARG_BOOL},
101 {"*m", "ntlm", ARG_BOOL},
102 {"*M", "ntlm-wb", ARG_BOOL},
103 {"*n", "basic", ARG_BOOL},
104 {"*o", "anyauth", ARG_BOOL},
105 #ifdef USE_WATT32
106 {"*p", "wdebug", ARG_BOOL},
107 #endif
108 {"*q", "ftp-create-dirs", ARG_BOOL},
109 {"*r", "create-dirs", ARG_BOOL},
110 {"*R", "create-file-mode", ARG_STRING},
111 {"*s", "max-redirs", ARG_STRING},
112 {"*t", "proxy-ntlm", ARG_BOOL},
113 {"*u", "crlf", ARG_BOOL},
114 {"*v", "stderr", ARG_FILENAME},
115 {"*V", "aws-sigv4", ARG_STRING},
116 {"*w", "interface", ARG_STRING},
117 {"*x", "krb", ARG_STRING},
118 {"*x", "krb4", ARG_STRING},
119 /* 'krb4' is the previous name */
120 {"*X", "haproxy-protocol", ARG_BOOL},
121 {"*y", "max-filesize", ARG_STRING},
122 {"*z", "disable-eprt", ARG_BOOL},
123 {"*Z", "eprt", ARG_BOOL},
124 /* 'eprt' made like this to make --no-eprt and --eprt to work
125 although --disable-eprt is the documented option */
126 {"*~", "xattr", ARG_BOOL},
127 {"$a", "ftp-ssl", ARG_BOOL},
128 /* 'ftp-ssl' deprecated name since 7.20.0 */
129 {"$a", "ssl", ARG_BOOL},
130 /* 'ssl' new option name in 7.20.0, previously this was ftp-ssl */
131 {"$b", "ftp-pasv", ARG_BOOL},
132 {"$c", "socks5", ARG_STRING},
133 {"$d", "tcp-nodelay", ARG_BOOL},
134 {"$e", "proxy-digest", ARG_BOOL},
135 {"$f", "proxy-basic", ARG_BOOL},
136 {"$g", "retry", ARG_STRING},
137 {"$V", "retry-connrefused", ARG_BOOL},
138 {"$h", "retry-delay", ARG_STRING},
139 {"$i", "retry-max-time", ARG_STRING},
140 {"$k", "proxy-negotiate", ARG_BOOL},
141 {"$m", "ftp-account", ARG_STRING},
142 {"$n", "proxy-anyauth", ARG_BOOL},
143 {"$o", "trace-time", ARG_BOOL},
144 {"$p", "ignore-content-length", ARG_BOOL},
145 {"$q", "ftp-skip-pasv-ip", ARG_BOOL},
146 {"$r", "ftp-method", ARG_STRING},
147 {"$s", "local-port", ARG_STRING},
148 {"$t", "socks4", ARG_STRING},
149 {"$T", "socks4a", ARG_STRING},
150 {"$u", "ftp-alternative-to-user", ARG_STRING},
151 {"$v", "ftp-ssl-reqd", ARG_BOOL},
152 /* 'ftp-ssl-reqd' deprecated name since 7.20.0 */
153 {"$v", "ssl-reqd", ARG_BOOL},
154 /* 'ssl-reqd' new in 7.20.0, previously this was ftp-ssl-reqd */
155 {"$w", "sessionid", ARG_BOOL},
156 /* 'sessionid' listed as --no-sessionid in the help */
157 {"$x", "ftp-ssl-control", ARG_BOOL},
158 {"$y", "ftp-ssl-ccc", ARG_BOOL},
159 {"$j", "ftp-ssl-ccc-mode", ARG_STRING},
160 {"$z", "libcurl", ARG_STRING},
161 {"$#", "raw", ARG_BOOL},
162 {"$0", "post301", ARG_BOOL},
163 {"$1", "keepalive", ARG_BOOL},
164 /* 'keepalive' listed as --no-keepalive in the help */
165 {"$2", "socks5-hostname", ARG_STRING},
166 {"$3", "keepalive-time", ARG_STRING},
167 {"$4", "post302", ARG_BOOL},
168 {"$5", "noproxy", ARG_STRING},
169 {"$7", "socks5-gssapi-nec", ARG_BOOL},
170 {"$8", "proxy1.0", ARG_STRING},
171 {"$9", "tftp-blksize", ARG_STRING},
172 {"$A", "mail-from", ARG_STRING},
173 {"$B", "mail-rcpt", ARG_STRING},
174 {"$C", "ftp-pret", ARG_BOOL},
175 {"$D", "proto", ARG_STRING},
176 {"$E", "proto-redir", ARG_STRING},
177 {"$F", "resolve", ARG_STRING},
178 {"$G", "delegation", ARG_STRING},
179 {"$H", "mail-auth", ARG_STRING},
180 {"$I", "post303", ARG_BOOL},
181 {"$J", "metalink", ARG_BOOL},
182 {"$6", "sasl-authzid", ARG_STRING},
183 {"$K", "sasl-ir", ARG_BOOL },
184 {"$L", "test-event", ARG_BOOL},
185 {"$M", "unix-socket", ARG_FILENAME},
186 {"$N", "path-as-is", ARG_BOOL},
187 {"$O", "socks5-gssapi-service", ARG_STRING},
188 /* 'socks5-gssapi-service' merged with'proxy-service-name' and
189 deprecated since 7.49.0 */
190 {"$O", "proxy-service-name", ARG_STRING},
191 {"$P", "service-name", ARG_STRING},
192 {"$Q", "proto-default", ARG_STRING},
193 {"$R", "expect100-timeout", ARG_STRING},
194 {"$S", "tftp-no-options", ARG_BOOL},
195 {"$U", "connect-to", ARG_STRING},
196 {"$W", "abstract-unix-socket", ARG_FILENAME},
197 {"$X", "tls-max", ARG_STRING},
198 {"$Y", "suppress-connect-headers", ARG_BOOL},
199 {"$Z", "compressed-ssh", ARG_BOOL},
200 {"$~", "happy-eyeballs-timeout-ms", ARG_STRING},
201 {"$!", "retry-all-errors", ARG_BOOL},
202 {"0", "http1.0", ARG_NONE},
203 {"01", "http1.1", ARG_NONE},
204 {"02", "http2", ARG_NONE},
205 {"03", "http2-prior-knowledge", ARG_NONE},
206 {"04", "http3", ARG_NONE},
207 {"09", "http0.9", ARG_BOOL},
208 {"1", "tlsv1", ARG_NONE},
209 {"10", "tlsv1.0", ARG_NONE},
210 {"11", "tlsv1.1", ARG_NONE},
211 {"12", "tlsv1.2", ARG_NONE},
212 {"13", "tlsv1.3", ARG_NONE},
213 {"1A", "tls13-ciphers", ARG_STRING},
214 {"1B", "proxy-tls13-ciphers", ARG_STRING},
215 {"2", "sslv2", ARG_NONE},
216 {"3", "sslv3", ARG_NONE},
217 {"4", "ipv4", ARG_NONE},
218 {"6", "ipv6", ARG_NONE},
219 {"a", "append", ARG_BOOL},
220 {"A", "user-agent", ARG_STRING},
221 {"b", "cookie", ARG_STRING},
222 {"ba", "alt-svc", ARG_STRING},
223 {"bb", "hsts", ARG_STRING},
224 {"B", "use-ascii", ARG_BOOL},
225 {"c", "cookie-jar", ARG_STRING},
226 {"C", "continue-at", ARG_STRING},
227 {"d", "data", ARG_STRING},
228 {"dr", "data-raw", ARG_STRING},
229 {"da", "data-ascii", ARG_STRING},
230 {"db", "data-binary", ARG_STRING},
231 {"de", "data-urlencode", ARG_STRING},
232 {"D", "dump-header", ARG_FILENAME},
233 {"e", "referer", ARG_STRING},
234 {"E", "cert", ARG_FILENAME},
235 {"Ea", "cacert", ARG_FILENAME},
236 {"Eb", "cert-type", ARG_STRING},
237 {"Ec", "key", ARG_FILENAME},
238 {"Ed", "key-type", ARG_STRING},
239 {"Ee", "pass", ARG_STRING},
240 {"Ef", "engine", ARG_STRING},
241 {"Eg", "capath", ARG_FILENAME},
242 {"Eh", "pubkey", ARG_STRING},
243 {"Ei", "hostpubmd5", ARG_STRING},
244 {"EF", "hostpubsha256", ARG_STRING},
245 {"Ej", "crlfile", ARG_FILENAME},
246 {"Ek", "tlsuser", ARG_STRING},
247 {"El", "tlspassword", ARG_STRING},
248 {"Em", "tlsauthtype", ARG_STRING},
249 {"En", "ssl-allow-beast", ARG_BOOL},
250 {"Eo", "ssl-auto-client-cert", ARG_BOOL},
251 {"EO", "proxy-ssl-auto-client-cert", ARG_BOOL},
252 {"Ep", "pinnedpubkey", ARG_STRING},
253 {"EP", "proxy-pinnedpubkey", ARG_STRING},
254 {"Eq", "cert-status", ARG_BOOL},
255 {"EQ", "doh-cert-status", ARG_BOOL},
256 {"Er", "false-start", ARG_BOOL},
257 {"Es", "ssl-no-revoke", ARG_BOOL},
258 {"ES", "ssl-revoke-best-effort", ARG_BOOL},
259 {"Et", "tcp-fastopen", ARG_BOOL},
260 {"Eu", "proxy-tlsuser", ARG_STRING},
261 {"Ev", "proxy-tlspassword", ARG_STRING},
262 {"Ew", "proxy-tlsauthtype", ARG_STRING},
263 {"Ex", "proxy-cert", ARG_FILENAME},
264 {"Ey", "proxy-cert-type", ARG_STRING},
265 {"Ez", "proxy-key", ARG_FILENAME},
266 {"E0", "proxy-key-type", ARG_STRING},
267 {"E1", "proxy-pass", ARG_STRING},
268 {"E2", "proxy-ciphers", ARG_STRING},
269 {"E3", "proxy-crlfile", ARG_FILENAME},
270 {"E4", "proxy-ssl-allow-beast", ARG_BOOL},
271 {"E5", "login-options", ARG_STRING},
272 {"E6", "proxy-cacert", ARG_FILENAME},
273 {"E7", "proxy-capath", ARG_FILENAME},
274 {"E8", "proxy-insecure", ARG_BOOL},
275 {"E9", "proxy-tlsv1", ARG_NONE},
276 {"EA", "socks5-basic", ARG_BOOL},
277 {"EB", "socks5-gssapi", ARG_BOOL},
278 {"EC", "etag-save", ARG_FILENAME},
279 {"ED", "etag-compare", ARG_FILENAME},
280 {"EE", "curves", ARG_STRING},
281 {"f", "fail", ARG_BOOL},
282 {"fa", "fail-early", ARG_BOOL},
283 {"fb", "styled-output", ARG_BOOL},
284 {"fc", "mail-rcpt-allowfails", ARG_BOOL},
285 {"fd", "fail-with-body", ARG_BOOL},
286 {"F", "form", ARG_STRING},
287 {"Fs", "form-string", ARG_STRING},
288 {"g", "globoff", ARG_BOOL},
289 {"G", "get", ARG_NONE},
290 {"Ga", "request-target", ARG_STRING},
291 {"h", "help", ARG_BOOL},
292 {"H", "header", ARG_STRING},
293 {"Hp", "proxy-header", ARG_STRING},
294 {"i", "include", ARG_BOOL},
295 {"I", "head", ARG_BOOL},
296 {"j", "junk-session-cookies", ARG_BOOL},
297 {"J", "remote-header-name", ARG_BOOL},
298 {"k", "insecure", ARG_BOOL},
299 {"kd", "doh-insecure", ARG_BOOL},
300 {"K", "config", ARG_FILENAME},
301 {"l", "list-only", ARG_BOOL},
302 {"L", "location", ARG_BOOL},
303 {"Lt", "location-trusted", ARG_BOOL},
304 {"m", "max-time", ARG_STRING},
305 {"M", "manual", ARG_BOOL},
306 {"n", "netrc", ARG_BOOL},
307 {"no", "netrc-optional", ARG_BOOL},
308 {"ne", "netrc-file", ARG_FILENAME},
309 {"N", "buffer", ARG_BOOL},
310 /* 'buffer' listed as --no-buffer in the help */
311 {"o", "output", ARG_FILENAME},
312 {"O", "remote-name", ARG_NONE},
313 {"Oa", "remote-name-all", ARG_BOOL},
314 {"Ob", "output-dir", ARG_STRING},
315 {"p", "proxytunnel", ARG_BOOL},
316 {"P", "ftp-port", ARG_STRING},
317 {"q", "disable", ARG_BOOL},
318 {"Q", "quote", ARG_STRING},
319 {"r", "range", ARG_STRING},
320 {"R", "remote-time", ARG_BOOL},
321 {"s", "silent", ARG_BOOL},
322 {"S", "show-error", ARG_BOOL},
323 {"t", "telnet-option", ARG_STRING},
324 {"T", "upload-file", ARG_FILENAME},
325 {"u", "user", ARG_STRING},
326 {"U", "proxy-user", ARG_STRING},
327 {"v", "verbose", ARG_BOOL},
328 {"V", "version", ARG_BOOL},
329 {"w", "write-out", ARG_STRING},
330 {"x", "proxy", ARG_STRING},
331 {"xa", "preproxy", ARG_STRING},
332 {"X", "request", ARG_STRING},
333 {"Y", "speed-limit", ARG_STRING},
334 {"y", "speed-time", ARG_STRING},
335 {"z", "time-cond", ARG_STRING},
336 {"Z", "parallel", ARG_BOOL},
337 {"Zb", "parallel-max", ARG_STRING},
338 {"Zc", "parallel-immediate", ARG_BOOL},
339 {"#", "progress-bar", ARG_BOOL},
340 {"#m", "progress-meter", ARG_BOOL},
341 {":", "next", ARG_NONE},
342 };
343
344 /* Split the argument of -E to 'certname' and 'passphrase' separated by colon.
345 * We allow ':' and '\' to be escaped by '\' so that we can use certificate
346 * nicknames containing ':'. See <https://sourceforge.net/p/curl/bugs/1196/>
347 * for details. */
348 #ifndef UNITTESTS
349 static
350 #endif
parse_cert_parameter(const char * cert_parameter,char ** certname,char ** passphrase)351 void parse_cert_parameter(const char *cert_parameter,
352 char **certname,
353 char **passphrase)
354 {
355 size_t param_length = strlen(cert_parameter);
356 size_t span;
357 const char *param_place = NULL;
358 char *certname_place = NULL;
359 *certname = NULL;
360 *passphrase = NULL;
361
362 /* most trivial assumption: cert_parameter is empty */
363 if(param_length == 0)
364 return;
365
366 /* next less trivial: cert_parameter starts 'pkcs11:' and thus
367 * looks like a RFC7512 PKCS#11 URI which can be used as-is.
368 * Also if cert_parameter contains no colon nor backslash, this
369 * means no passphrase was given and no characters escaped */
370 if(curl_strnequal(cert_parameter, "pkcs11:", 7) ||
371 !strpbrk(cert_parameter, ":\\")) {
372 *certname = strdup(cert_parameter);
373 return;
374 }
375 /* deal with escaped chars; find unescaped colon if it exists */
376 certname_place = malloc(param_length + 1);
377 if(!certname_place)
378 return;
379
380 *certname = certname_place;
381 param_place = cert_parameter;
382 while(*param_place) {
383 span = strcspn(param_place, ":\\");
384 strncpy(certname_place, param_place, span);
385 param_place += span;
386 certname_place += span;
387 /* we just ate all the non-special chars. now we're on either a special
388 * char or the end of the string. */
389 switch(*param_place) {
390 case '\0':
391 break;
392 case '\\':
393 param_place++;
394 switch(*param_place) {
395 case '\0':
396 *certname_place++ = '\\';
397 break;
398 case '\\':
399 *certname_place++ = '\\';
400 param_place++;
401 break;
402 case ':':
403 *certname_place++ = ':';
404 param_place++;
405 break;
406 default:
407 *certname_place++ = '\\';
408 *certname_place++ = *param_place;
409 param_place++;
410 break;
411 }
412 break;
413 case ':':
414 /* Since we live in a world of weirdness and confusion, the win32
415 dudes can use : when using drive letters and thus c:\file:password
416 needs to work. In order not to break compatibility, we still use : as
417 separator, but we try to detect when it is used for a file name! On
418 windows. */
419 #ifdef WIN32
420 if(param_place &&
421 (param_place == &cert_parameter[1]) &&
422 (cert_parameter[2] == '\\' || cert_parameter[2] == '/') &&
423 (ISALPHA(cert_parameter[0])) ) {
424 /* colon in the second column, followed by a backslash, and the
425 first character is an alphabetic letter:
426
427 this is a drive letter colon */
428 *certname_place++ = ':';
429 param_place++;
430 break;
431 }
432 #endif
433 /* escaped colons and Windows drive letter colons were handled
434 * above; if we're still here, this is a separating colon */
435 param_place++;
436 if(*param_place) {
437 *passphrase = strdup(param_place);
438 }
439 goto done;
440 }
441 }
442 done:
443 *certname_place = '\0';
444 }
445
446 /* Replace (in-place) '%20' by '+' according to RFC1866 */
replace_url_encoded_space_by_plus(char * url)447 static size_t replace_url_encoded_space_by_plus(char *url)
448 {
449 size_t orig_len = strlen(url);
450 size_t orig_index = 0;
451 size_t new_index = 0;
452
453 while(orig_index < orig_len) {
454 if((url[orig_index] == '%') &&
455 (url[orig_index + 1] == '2') &&
456 (url[orig_index + 2] == '0')) {
457 url[new_index] = '+';
458 orig_index += 3;
459 }
460 else{
461 if(new_index != orig_index) {
462 url[new_index] = url[orig_index];
463 }
464 orig_index++;
465 }
466 new_index++;
467 }
468
469 url[new_index] = 0; /* terminate string */
470
471 return new_index; /* new size */
472 }
473
474 static void
GetFileAndPassword(char * nextarg,char ** file,char ** password)475 GetFileAndPassword(char *nextarg, char **file, char **password)
476 {
477 char *certname, *passphrase;
478 parse_cert_parameter(nextarg, &certname, &passphrase);
479 Curl_safefree(*file);
480 *file = certname;
481 if(passphrase) {
482 Curl_safefree(*password);
483 *password = passphrase;
484 }
485 cleanarg(nextarg);
486 }
487
488 /* Get a size parameter for '--limit-rate' or '--max-filesize'.
489 * We support a 'G', 'M' or 'K' suffix too.
490 */
GetSizeParameter(struct GlobalConfig * global,const char * arg,const char * which,curl_off_t * value_out)491 static ParameterError GetSizeParameter(struct GlobalConfig *global,
492 const char *arg,
493 const char *which,
494 curl_off_t *value_out)
495 {
496 char *unit;
497 curl_off_t value;
498
499 if(curlx_strtoofft(arg, &unit, 0, &value)) {
500 warnf(global, "invalid number specified for %s\n", which);
501 return PARAM_BAD_USE;
502 }
503
504 if(!*unit)
505 unit = (char *)"b";
506 else if(strlen(unit) > 1)
507 unit = (char *)"w"; /* unsupported */
508
509 switch(*unit) {
510 case 'G':
511 case 'g':
512 if(value > (CURL_OFF_T_MAX / (1024*1024*1024)))
513 return PARAM_NUMBER_TOO_LARGE;
514 value *= 1024*1024*1024;
515 break;
516 case 'M':
517 case 'm':
518 if(value > (CURL_OFF_T_MAX / (1024*1024)))
519 return PARAM_NUMBER_TOO_LARGE;
520 value *= 1024*1024;
521 break;
522 case 'K':
523 case 'k':
524 if(value > (CURL_OFF_T_MAX / 1024))
525 return PARAM_NUMBER_TOO_LARGE;
526 value *= 1024;
527 break;
528 case 'b':
529 case 'B':
530 /* for plain bytes, leave as-is */
531 break;
532 default:
533 warnf(global, "unsupported %s unit. Use G, M, K or B!\n", which);
534 return PARAM_BAD_USE;
535 }
536 *value_out = value;
537 return PARAM_OK;
538 }
539
getparameter(const char * flag,char * nextarg,bool * usedarg,struct GlobalConfig * global,struct OperationConfig * config)540 ParameterError getparameter(const char *flag, /* f or -long-flag */
541 char *nextarg, /* NULL if unset */
542 bool *usedarg, /* set to TRUE if the arg
543 has been used */
544 struct GlobalConfig *global,
545 struct OperationConfig *config)
546 {
547 char letter;
548 char subletter = '\0'; /* subletters can only occur on long options */
549 int rc;
550 const char *parse = NULL;
551 unsigned int j;
552 time_t now;
553 int hit = -1;
554 bool longopt = FALSE;
555 bool singleopt = FALSE; /* when true means '-o foo' used '-ofoo' */
556 ParameterError err;
557 bool toggle = TRUE; /* how to switch boolean options, on or off. Controlled
558 by using --OPTION or --no-OPTION */
559
560 *usedarg = FALSE; /* default is that we don't use the arg */
561
562 if(('-' != flag[0]) || ('-' == flag[1])) {
563 /* this should be a long name */
564 const char *word = ('-' == flag[0]) ? flag + 2 : flag;
565 size_t fnam = strlen(word);
566 int numhits = 0;
567 bool noflagged = FALSE;
568
569 if(!strncmp(word, "no-", 3)) {
570 /* disable this option but ignore the "no-" part when looking for it */
571 word += 3;
572 toggle = FALSE;
573 noflagged = TRUE;
574 }
575
576 for(j = 0; j < sizeof(aliases)/sizeof(aliases[0]); j++) {
577 if(curl_strnequal(aliases[j].lname, word, fnam)) {
578 longopt = TRUE;
579 numhits++;
580 if(curl_strequal(aliases[j].lname, word)) {
581 parse = aliases[j].letter;
582 hit = j;
583 numhits = 1; /* a single unique hit */
584 break;
585 }
586 parse = aliases[j].letter;
587 hit = j;
588 }
589 }
590 if(numhits > 1) {
591 /* this is at least the second match! */
592 return PARAM_OPTION_AMBIGUOUS;
593 }
594 if(hit < 0) {
595 return PARAM_OPTION_UNKNOWN;
596 }
597 if(noflagged && (aliases[hit].desc != ARG_BOOL))
598 /* --no- prefixed an option that isn't boolean! */
599 return PARAM_NO_NOT_BOOLEAN;
600 }
601 else {
602 flag++; /* prefixed with one dash, pass it */
603 hit = -1;
604 parse = flag;
605 }
606
607 do {
608 /* we can loop here if we have multiple single-letters */
609
610 if(!longopt) {
611 letter = (char)*parse;
612 subletter = '\0';
613 }
614 else {
615 letter = parse[0];
616 subletter = parse[1];
617 }
618
619 if(hit < 0) {
620 for(j = 0; j < sizeof(aliases)/sizeof(aliases[0]); j++) {
621 if(letter == aliases[j].letter[0]) {
622 hit = j;
623 break;
624 }
625 }
626 if(hit < 0) {
627 return PARAM_OPTION_UNKNOWN;
628 }
629 }
630
631 if(aliases[hit].desc >= ARG_STRING) {
632 /* this option requires an extra parameter */
633 if(!longopt && parse[1]) {
634 nextarg = (char *)&parse[1]; /* this is the actual extra parameter */
635 singleopt = TRUE; /* don't loop anymore after this */
636 }
637 else if(!nextarg)
638 return PARAM_REQUIRES_PARAMETER;
639 else
640 *usedarg = TRUE; /* mark it as used */
641
642 if((aliases[hit].desc == ARG_FILENAME) &&
643 (nextarg[0] == '-') && nextarg[1]) {
644 /* if the file name looks like a command line option */
645 warnf(global, "The file name argument '%s' looks like a flag.\n",
646 nextarg);
647 }
648 }
649 else if((aliases[hit].desc == ARG_NONE) && !toggle)
650 return PARAM_NO_PREFIX;
651
652 switch(letter) {
653 case '*': /* options without a short option */
654 switch(subletter) {
655 case '4': /* --dns-ipv4-addr */
656 /* addr in dot notation */
657 GetStr(&config->dns_ipv4_addr, nextarg);
658 break;
659 case '6': /* --dns-ipv6-addr */
660 /* addr in dot notation */
661 GetStr(&config->dns_ipv6_addr, nextarg);
662 break;
663 case 'a': /* random-file */
664 GetStr(&config->random_file, nextarg);
665 break;
666 case 'b': /* egd-file */
667 GetStr(&config->egd_file, nextarg);
668 break;
669 case 'B': /* OAuth 2.0 bearer token */
670 GetStr(&config->oauth_bearer, nextarg);
671 config->authtype |= CURLAUTH_BEARER;
672 break;
673 case 'c': /* connect-timeout */
674 err = str2udouble(&config->connecttimeout, nextarg,
675 LONG_MAX/1000);
676 if(err)
677 return err;
678 break;
679 case 'C': /* doh-url */
680 GetStr(&config->doh_url, nextarg);
681 break;
682 case 'd': /* ciphers */
683 GetStr(&config->cipher_list, nextarg);
684 break;
685 case 'D': /* --dns-interface */
686 /* interface name */
687 GetStr(&config->dns_interface, nextarg);
688 break;
689 case 'e': /* --disable-epsv */
690 config->disable_epsv = toggle;
691 break;
692 case 'f': /* --disallow-username-in-url */
693 config->disallow_username_in_url = toggle;
694 break;
695 case 'E': /* --epsv */
696 config->disable_epsv = (!toggle)?TRUE:FALSE;
697 break;
698 case 'F': /* --dns-servers */
699 /* IP addrs of DNS servers */
700 GetStr(&config->dns_servers, nextarg);
701 break;
702 case 'g': /* --trace */
703 GetStr(&global->trace_dump, nextarg);
704 if(global->tracetype && (global->tracetype != TRACE_BIN))
705 warnf(global, "--trace overrides an earlier trace/verbose option\n");
706 global->tracetype = TRACE_BIN;
707 break;
708 case 'G': /* --npn */
709 config->nonpn = (!toggle)?TRUE:FALSE;
710 break;
711 case 'h': /* --trace-ascii */
712 GetStr(&global->trace_dump, nextarg);
713 if(global->tracetype && (global->tracetype != TRACE_ASCII))
714 warnf(global,
715 "--trace-ascii overrides an earlier trace/verbose option\n");
716 global->tracetype = TRACE_ASCII;
717 break;
718 case 'H': /* --alpn */
719 config->noalpn = (!toggle)?TRUE:FALSE;
720 break;
721 case 'i': /* --limit-rate */
722 {
723 curl_off_t value;
724 ParameterError pe = GetSizeParameter(global, nextarg, "rate", &value);
725
726 if(pe != PARAM_OK)
727 return pe;
728 config->recvpersecond = value;
729 config->sendpersecond = value;
730 }
731 break;
732
733 case 'j': /* --compressed */
734 if(toggle &&
735 !(curlinfo->features & (CURL_VERSION_LIBZ |
736 CURL_VERSION_BROTLI | CURL_VERSION_ZSTD)))
737 return PARAM_LIBCURL_DOESNT_SUPPORT;
738 config->encoding = toggle;
739 break;
740
741 case 'J': /* --tr-encoding */
742 config->tr_encoding = toggle;
743 break;
744
745 case 'k': /* --digest */
746 if(toggle)
747 config->authtype |= CURLAUTH_DIGEST;
748 else
749 config->authtype &= ~CURLAUTH_DIGEST;
750 break;
751
752 case 'l': /* --negotiate */
753 if(toggle) {
754 if(curlinfo->features & CURL_VERSION_SPNEGO)
755 config->authtype |= CURLAUTH_NEGOTIATE;
756 else
757 return PARAM_LIBCURL_DOESNT_SUPPORT;
758 }
759 else
760 config->authtype &= ~CURLAUTH_NEGOTIATE;
761 break;
762
763 case 'm': /* --ntlm */
764 if(toggle) {
765 if(curlinfo->features & CURL_VERSION_NTLM)
766 config->authtype |= CURLAUTH_NTLM;
767 else
768 return PARAM_LIBCURL_DOESNT_SUPPORT;
769 }
770 else
771 config->authtype &= ~CURLAUTH_NTLM;
772 break;
773
774 case 'M': /* --ntlm-wb */
775 if(toggle) {
776 if(curlinfo->features & CURL_VERSION_NTLM_WB)
777 config->authtype |= CURLAUTH_NTLM_WB;
778 else
779 return PARAM_LIBCURL_DOESNT_SUPPORT;
780 }
781 else
782 config->authtype &= ~CURLAUTH_NTLM_WB;
783 break;
784
785 case 'n': /* --basic for completeness */
786 if(toggle)
787 config->authtype |= CURLAUTH_BASIC;
788 else
789 config->authtype &= ~CURLAUTH_BASIC;
790 break;
791
792 case 'o': /* --anyauth, let libcurl pick it */
793 if(toggle)
794 config->authtype = CURLAUTH_ANY;
795 /* --no-anyauth simply doesn't touch it */
796 break;
797
798 #ifdef USE_WATT32
799 case 'p': /* --wdebug */
800 dbug_init();
801 break;
802 #endif
803 case 'q': /* --ftp-create-dirs */
804 config->ftp_create_dirs = toggle;
805 break;
806
807 case 'r': /* --create-dirs */
808 config->create_dirs = toggle;
809 break;
810
811 case 'R': /* --create-file-mode */
812 err = oct2nummax(&config->create_file_mode, nextarg, 0777);
813 if(err)
814 return err;
815 break;
816
817 case 's': /* --max-redirs */
818 /* specified max no of redirects (http(s)), this accepts -1 as a
819 special condition */
820 err = str2num(&config->maxredirs, nextarg);
821 if(err)
822 return err;
823 if(config->maxredirs < -1)
824 return PARAM_BAD_NUMERIC;
825 break;
826
827 case 't': /* --proxy-ntlm */
828 if(curlinfo->features & CURL_VERSION_NTLM)
829 config->proxyntlm = toggle;
830 else
831 return PARAM_LIBCURL_DOESNT_SUPPORT;
832 break;
833
834 case 'u': /* --crlf */
835 /* LF -> CRLF conversion? */
836 config->crlf = toggle;
837 break;
838
839 case 'V': /* --aws-sigv4 */
840 config->authtype |= CURLAUTH_AWS_SIGV4;
841 GetStr(&config->aws_sigv4, nextarg);
842 break;
843
844 case 'v': /* --stderr */
845 if(strcmp(nextarg, "-")) {
846 FILE *newfile = fopen(nextarg, FOPEN_WRITETEXT);
847 if(!newfile)
848 warnf(global, "Failed to open %s!\n", nextarg);
849 else {
850 if(global->errors_fopened)
851 fclose(global->errors);
852 global->errors = newfile;
853 global->errors_fopened = TRUE;
854 }
855 }
856 else
857 global->errors = stdout;
858 break;
859 case 'w': /* --interface */
860 /* interface */
861 GetStr(&config->iface, nextarg);
862 break;
863 case 'x': /* --krb */
864 /* kerberos level string */
865 if(curlinfo->features & CURL_VERSION_SPNEGO)
866 GetStr(&config->krblevel, nextarg);
867 else
868 return PARAM_LIBCURL_DOESNT_SUPPORT;
869 break;
870 case 'X': /* --haproxy-protocol */
871 config->haproxy_protocol = toggle;
872 break;
873 case 'y': /* --max-filesize */
874 {
875 curl_off_t value;
876 ParameterError pe =
877 GetSizeParameter(global, nextarg, "max-filesize", &value);
878
879 if(pe != PARAM_OK)
880 return pe;
881 config->max_filesize = value;
882 }
883 break;
884 case 'z': /* --disable-eprt */
885 config->disable_eprt = toggle;
886 break;
887 case 'Z': /* --eprt */
888 config->disable_eprt = (!toggle)?TRUE:FALSE;
889 break;
890 case '~': /* --xattr */
891 config->xattr = toggle;
892 break;
893 case '@': /* the URL! */
894 {
895 struct getout *url;
896
897 if(!config->url_get)
898 config->url_get = config->url_list;
899
900 if(config->url_get) {
901 /* there's a node here, if it already is filled-in continue to find
902 an "empty" node */
903 while(config->url_get && (config->url_get->flags & GETOUT_URL))
904 config->url_get = config->url_get->next;
905 }
906
907 /* now there might or might not be an available node to fill in! */
908
909 if(config->url_get)
910 /* existing node */
911 url = config->url_get;
912 else
913 /* there was no free node, create one! */
914 config->url_get = url = new_getout(config);
915
916 if(!url)
917 return PARAM_NO_MEM;
918
919 /* fill in the URL */
920 GetStr(&url->url, nextarg);
921 url->flags |= GETOUT_URL;
922 }
923 }
924 break;
925 case '$': /* more options without a short option */
926 switch(subletter) {
927 case 'a': /* --ssl */
928 if(toggle && !(curlinfo->features & CURL_VERSION_SSL))
929 return PARAM_LIBCURL_DOESNT_SUPPORT;
930 config->ftp_ssl = toggle;
931 break;
932 case 'b': /* --ftp-pasv */
933 Curl_safefree(config->ftpport);
934 break;
935 case 'c': /* --socks5 specifies a socks5 proxy to use, and resolves
936 the name locally and passes on the resolved address */
937 GetStr(&config->proxy, nextarg);
938 config->proxyver = CURLPROXY_SOCKS5;
939 break;
940 case 't': /* --socks4 specifies a socks4 proxy to use */
941 GetStr(&config->proxy, nextarg);
942 config->proxyver = CURLPROXY_SOCKS4;
943 break;
944 case 'T': /* --socks4a specifies a socks4a proxy to use */
945 GetStr(&config->proxy, nextarg);
946 config->proxyver = CURLPROXY_SOCKS4A;
947 break;
948 case '2': /* --socks5-hostname specifies a socks5 proxy and enables name
949 resolving with the proxy */
950 GetStr(&config->proxy, nextarg);
951 config->proxyver = CURLPROXY_SOCKS5_HOSTNAME;
952 break;
953 case 'd': /* --tcp-nodelay option */
954 config->tcp_nodelay = toggle;
955 break;
956 case 'e': /* --proxy-digest */
957 config->proxydigest = toggle;
958 break;
959 case 'f': /* --proxy-basic */
960 config->proxybasic = toggle;
961 break;
962 case 'g': /* --retry */
963 err = str2unum(&config->req_retry, nextarg);
964 if(err)
965 return err;
966 break;
967 case 'V': /* --retry-connrefused */
968 config->retry_connrefused = toggle;
969 break;
970 case 'h': /* --retry-delay */
971 err = str2unummax(&config->retry_delay, nextarg, LONG_MAX/1000);
972 if(err)
973 return err;
974 break;
975 case 'i': /* --retry-max-time */
976 err = str2unummax(&config->retry_maxtime, nextarg, LONG_MAX/1000);
977 if(err)
978 return err;
979 break;
980 case '!': /* --retry-all-errors */
981 config->retry_all_errors = toggle;
982 break;
983
984 case 'k': /* --proxy-negotiate */
985 if(curlinfo->features & CURL_VERSION_SPNEGO)
986 config->proxynegotiate = toggle;
987 else
988 return PARAM_LIBCURL_DOESNT_SUPPORT;
989 break;
990
991 case 'm': /* --ftp-account */
992 GetStr(&config->ftp_account, nextarg);
993 break;
994 case 'n': /* --proxy-anyauth */
995 config->proxyanyauth = toggle;
996 break;
997 case 'o': /* --trace-time */
998 global->tracetime = toggle;
999 break;
1000 case 'p': /* --ignore-content-length */
1001 config->ignorecl = toggle;
1002 break;
1003 case 'q': /* --ftp-skip-pasv-ip */
1004 config->ftp_skip_ip = toggle;
1005 break;
1006 case 'r': /* --ftp-method (undocumented at this point) */
1007 config->ftp_filemethod = ftpfilemethod(config, nextarg);
1008 break;
1009 case 's': { /* --local-port */
1010 /* 16bit base 10 is 5 digits, but we allow 6 so that this catches
1011 overflows, not just truncates */
1012 char lrange[7]="";
1013 char *p = nextarg;
1014 while(ISDIGIT(*p))
1015 p++;
1016 if(*p) {
1017 /* if there's anything more than a plain decimal number */
1018 rc = sscanf(p, " - %6s", lrange);
1019 *p = 0; /* null-terminate to make str2unum() work below */
1020 }
1021 else
1022 rc = 0;
1023
1024 err = str2unum(&config->localport, nextarg);
1025 if(err || (config->localport > 65535))
1026 return PARAM_BAD_USE;
1027 if(!rc)
1028 config->localportrange = 1; /* default number of ports to try */
1029 else {
1030 err = str2unum(&config->localportrange, lrange);
1031 if(err || (config->localportrange > 65535))
1032 return PARAM_BAD_USE;
1033 config->localportrange -= (config->localport-1);
1034 if(config->localportrange < 1)
1035 return PARAM_BAD_USE;
1036 }
1037 break;
1038 }
1039 case 'u': /* --ftp-alternative-to-user */
1040 GetStr(&config->ftp_alternative_to_user, nextarg);
1041 break;
1042 case 'v': /* --ssl-reqd */
1043 if(toggle && !(curlinfo->features & CURL_VERSION_SSL))
1044 return PARAM_LIBCURL_DOESNT_SUPPORT;
1045 config->ftp_ssl_reqd = toggle;
1046 break;
1047 case 'w': /* --no-sessionid */
1048 config->disable_sessionid = (!toggle)?TRUE:FALSE;
1049 break;
1050 case 'x': /* --ftp-ssl-control */
1051 if(toggle && !(curlinfo->features & CURL_VERSION_SSL))
1052 return PARAM_LIBCURL_DOESNT_SUPPORT;
1053 config->ftp_ssl_control = toggle;
1054 break;
1055 case 'y': /* --ftp-ssl-ccc */
1056 config->ftp_ssl_ccc = toggle;
1057 if(!config->ftp_ssl_ccc_mode)
1058 config->ftp_ssl_ccc_mode = CURLFTPSSL_CCC_PASSIVE;
1059 break;
1060 case 'j': /* --ftp-ssl-ccc-mode */
1061 config->ftp_ssl_ccc = TRUE;
1062 config->ftp_ssl_ccc_mode = ftpcccmethod(config, nextarg);
1063 break;
1064 case 'z': /* --libcurl */
1065 #ifdef CURL_DISABLE_LIBCURL_OPTION
1066 warnf(global,
1067 "--libcurl option was disabled at build-time!\n");
1068 return PARAM_OPTION_UNKNOWN;
1069 #else
1070 GetStr(&global->libcurl, nextarg);
1071 break;
1072 #endif
1073 case '#': /* --raw */
1074 config->raw = toggle;
1075 break;
1076 case '0': /* --post301 */
1077 config->post301 = toggle;
1078 break;
1079 case '1': /* --no-keepalive */
1080 config->nokeepalive = (!toggle)?TRUE:FALSE;
1081 break;
1082 case '3': /* --keepalive-time */
1083 err = str2unum(&config->alivetime, nextarg);
1084 if(err)
1085 return err;
1086 break;
1087 case '4': /* --post302 */
1088 config->post302 = toggle;
1089 break;
1090 case 'I': /* --post303 */
1091 config->post303 = toggle;
1092 break;
1093 case '5': /* --noproxy */
1094 /* This specifies the noproxy list */
1095 GetStr(&config->noproxy, nextarg);
1096 break;
1097 case '7': /* --socks5-gssapi-nec*/
1098 config->socks5_gssapi_nec = toggle;
1099 break;
1100 case '8': /* --proxy1.0 */
1101 /* http 1.0 proxy */
1102 GetStr(&config->proxy, nextarg);
1103 config->proxyver = CURLPROXY_HTTP_1_0;
1104 break;
1105 case '9': /* --tftp-blksize */
1106 err = str2unum(&config->tftp_blksize, nextarg);
1107 if(err)
1108 return err;
1109 break;
1110 case 'A': /* --mail-from */
1111 GetStr(&config->mail_from, nextarg);
1112 break;
1113 case 'B': /* --mail-rcpt */
1114 /* append receiver to a list */
1115 err = add2list(&config->mail_rcpt, nextarg);
1116 if(err)
1117 return err;
1118 break;
1119 case 'C': /* --ftp-pret */
1120 config->ftp_pret = toggle;
1121 break;
1122 case 'D': /* --proto */
1123 config->proto_present = TRUE;
1124 if(proto2num(config, &config->proto, nextarg))
1125 return PARAM_BAD_USE;
1126 break;
1127 case 'E': /* --proto-redir */
1128 config->proto_redir_present = TRUE;
1129 if(proto2num(config, &config->proto_redir, nextarg))
1130 return PARAM_BAD_USE;
1131 break;
1132 case 'F': /* --resolve */
1133 err = add2list(&config->resolve, nextarg);
1134 if(err)
1135 return err;
1136 break;
1137 case 'G': /* --delegation LEVEL */
1138 config->gssapi_delegation = delegation(config, nextarg);
1139 break;
1140 case 'H': /* --mail-auth */
1141 GetStr(&config->mail_auth, nextarg);
1142 break;
1143 case 'J': /* --metalink */
1144 errorf(global, "--metalink is disabled\n");
1145 return PARAM_BAD_USE;
1146 case '6': /* --sasl-authzid */
1147 GetStr(&config->sasl_authzid, nextarg);
1148 break;
1149 case 'K': /* --sasl-ir */
1150 config->sasl_ir = toggle;
1151 break;
1152 case 'L': /* --test-event */
1153 #ifdef CURLDEBUG
1154 global->test_event_based = toggle;
1155 #else
1156 warnf(global, "--test-event is ignored unless a debug build!\n");
1157 #endif
1158 break;
1159 case 'M': /* --unix-socket */
1160 config->abstract_unix_socket = FALSE;
1161 GetStr(&config->unix_socket_path, nextarg);
1162 break;
1163 case 'N': /* --path-as-is */
1164 config->path_as_is = toggle;
1165 break;
1166 case 'O': /* --proxy-service-name */
1167 GetStr(&config->proxy_service_name, nextarg);
1168 break;
1169 case 'P': /* --service-name */
1170 GetStr(&config->service_name, nextarg);
1171 break;
1172 case 'Q': /* --proto-default */
1173 GetStr(&config->proto_default, nextarg);
1174 err = check_protocol(config->proto_default);
1175 if(err)
1176 return err;
1177 break;
1178 case 'R': /* --expect100-timeout */
1179 err = str2udouble(&config->expect100timeout, nextarg, LONG_MAX/1000);
1180 if(err)
1181 return err;
1182 break;
1183 case 'S': /* --tftp-no-options */
1184 config->tftp_no_options = toggle;
1185 break;
1186 case 'U': /* --connect-to */
1187 err = add2list(&config->connect_to, nextarg);
1188 if(err)
1189 return err;
1190 break;
1191 case 'W': /* --abstract-unix-socket */
1192 config->abstract_unix_socket = TRUE;
1193 GetStr(&config->unix_socket_path, nextarg);
1194 break;
1195 case 'X': /* --tls-max */
1196 err = str2tls_max(&config->ssl_version_max, nextarg);
1197 if(err)
1198 return err;
1199 break;
1200 case 'Y': /* --suppress-connect-headers */
1201 config->suppress_connect_headers = toggle;
1202 break;
1203 case 'Z': /* --compressed-ssh */
1204 config->ssh_compression = toggle;
1205 break;
1206 case '~': /* --happy-eyeballs-timeout-ms */
1207 err = str2unum(&config->happy_eyeballs_timeout_ms, nextarg);
1208 if(err)
1209 return err;
1210 /* 0 is a valid value for this timeout */
1211 break;
1212 }
1213 break;
1214 case '#':
1215 switch(subletter) {
1216 case 'm': /* --progress-meter */
1217 global->noprogress = !toggle;
1218 break;
1219 default: /* --progress-bar */
1220 global->progressmode =
1221 toggle ? CURL_PROGRESS_BAR : CURL_PROGRESS_STATS;
1222 break;
1223 }
1224 break;
1225 case ':': /* --next */
1226 return PARAM_NEXT_OPERATION;
1227 case '0': /* --http* options */
1228 switch(subletter) {
1229 case '\0':
1230 /* HTTP version 1.0 */
1231 config->httpversion = CURL_HTTP_VERSION_1_0;
1232 break;
1233 case '1':
1234 /* HTTP version 1.1 */
1235 config->httpversion = CURL_HTTP_VERSION_1_1;
1236 break;
1237 case '2':
1238 /* HTTP version 2.0 */
1239 config->httpversion = CURL_HTTP_VERSION_2_0;
1240 break;
1241 case '3': /* --http2-prior-knowledge */
1242 /* HTTP version 2.0 over clean TCP*/
1243 config->httpversion = CURL_HTTP_VERSION_2_PRIOR_KNOWLEDGE;
1244 break;
1245 case '4': /* --http3 */
1246 /* HTTP version 3 go over QUIC - at once */
1247 if(curlinfo->features & CURL_VERSION_HTTP3)
1248 config->httpversion = CURL_HTTP_VERSION_3;
1249 else
1250 return PARAM_LIBCURL_DOESNT_SUPPORT;
1251 break;
1252 case '9':
1253 /* Allow HTTP/0.9 responses! */
1254 config->http09_allowed = toggle;
1255 break;
1256 }
1257 break;
1258 case '1': /* --tlsv1* options */
1259 switch(subletter) {
1260 case '\0':
1261 /* TLS version 1.x */
1262 config->ssl_version = CURL_SSLVERSION_TLSv1;
1263 break;
1264 case '0':
1265 /* TLS version 1.0 */
1266 config->ssl_version = CURL_SSLVERSION_TLSv1_0;
1267 break;
1268 case '1':
1269 /* TLS version 1.1 */
1270 config->ssl_version = CURL_SSLVERSION_TLSv1_1;
1271 break;
1272 case '2':
1273 /* TLS version 1.2 */
1274 config->ssl_version = CURL_SSLVERSION_TLSv1_2;
1275 break;
1276 case '3':
1277 /* TLS version 1.3 */
1278 config->ssl_version = CURL_SSLVERSION_TLSv1_3;
1279 break;
1280 case 'A': /* --tls13-ciphers */
1281 GetStr(&config->cipher13_list, nextarg);
1282 break;
1283 case 'B': /* --proxy-tls13-ciphers */
1284 GetStr(&config->proxy_cipher13_list, nextarg);
1285 break;
1286 }
1287 break;
1288 case '2':
1289 /* SSL version 2 */
1290 warnf(global, "Ignores instruction to use SSLv2\n");
1291 break;
1292 case '3':
1293 /* SSL version 3 */
1294 warnf(global, "Ignores instruction to use SSLv3\n");
1295 break;
1296 case '4':
1297 /* IPv4 */
1298 config->ip_version = CURL_IPRESOLVE_V4;
1299 break;
1300 case '6':
1301 /* IPv6 */
1302 config->ip_version = CURL_IPRESOLVE_V6;
1303 break;
1304 case 'a':
1305 /* This makes the FTP sessions use APPE instead of STOR */
1306 config->ftp_append = toggle;
1307 break;
1308 case 'A':
1309 /* This specifies the User-Agent name */
1310 GetStr(&config->useragent, nextarg);
1311 break;
1312 case 'b':
1313 switch(subletter) {
1314 case 'a': /* --alt-svc */
1315 if(curlinfo->features & CURL_VERSION_ALTSVC)
1316 GetStr(&config->altsvc, nextarg);
1317 else
1318 return PARAM_LIBCURL_DOESNT_SUPPORT;
1319 break;
1320 case 'b': /* --hsts */
1321 if(curlinfo->features & CURL_VERSION_HSTS)
1322 GetStr(&config->hsts, nextarg);
1323 else
1324 return PARAM_LIBCURL_DOESNT_SUPPORT;
1325 break;
1326 default: /* --cookie string coming up: */
1327 if(nextarg[0] == '@') {
1328 nextarg++;
1329 }
1330 else if(strchr(nextarg, '=')) {
1331 /* A cookie string must have a =-letter */
1332 err = add2list(&config->cookies, nextarg);
1333 if(err)
1334 return err;
1335 break;
1336 }
1337 /* We have a cookie file to read from! */
1338 err = add2list(&config->cookiefiles, nextarg);
1339 if(err)
1340 return err;
1341 }
1342 break;
1343 case 'B':
1344 /* use ASCII/text when transferring */
1345 config->use_ascii = toggle;
1346 break;
1347 case 'c':
1348 /* get the file name to dump all cookies in */
1349 GetStr(&config->cookiejar, nextarg);
1350 break;
1351 case 'C':
1352 /* This makes us continue an ftp transfer at given position */
1353 if(strcmp(nextarg, "-")) {
1354 err = str2offset(&config->resume_from, nextarg);
1355 if(err)
1356 return err;
1357 config->resume_from_current = FALSE;
1358 }
1359 else {
1360 config->resume_from_current = TRUE;
1361 config->resume_from = 0;
1362 }
1363 config->use_resume = TRUE;
1364 break;
1365 case 'd':
1366 /* postfield data */
1367 {
1368 char *postdata = NULL;
1369 FILE *file;
1370 size_t size = 0;
1371 bool raw_mode = (subletter == 'r');
1372
1373 if(subletter == 'e') { /* --data-urlencode*/
1374 /* [name]=[content], we encode the content part only
1375 * [name]@[file name]
1376 *
1377 * Case 2: we first load the file using that name and then encode
1378 * the content.
1379 */
1380 const char *p = strchr(nextarg, '=');
1381 size_t nlen;
1382 char is_file;
1383 if(!p)
1384 /* there was no '=' letter, check for a '@' instead */
1385 p = strchr(nextarg, '@');
1386 if(p) {
1387 nlen = p - nextarg; /* length of the name part */
1388 is_file = *p++; /* pass the separator */
1389 }
1390 else {
1391 /* neither @ nor =, so no name and it isn't a file */
1392 nlen = is_file = 0;
1393 p = nextarg;
1394 }
1395 if('@' == is_file) {
1396 /* a '@' letter, it means that a file name or - (stdin) follows */
1397 if(!strcmp("-", p)) {
1398 file = stdin;
1399 set_binmode(stdin);
1400 }
1401 else {
1402 file = fopen(p, "rb");
1403 if(!file)
1404 warnf(global,
1405 "Couldn't read data from file \"%s\", this makes "
1406 "an empty POST.\n", nextarg);
1407 }
1408
1409 err = file2memory(&postdata, &size, file);
1410
1411 if(file && (file != stdin))
1412 fclose(file);
1413 if(err)
1414 return err;
1415 }
1416 else {
1417 GetStr(&postdata, p);
1418 if(postdata)
1419 size = strlen(postdata);
1420 }
1421
1422 if(!postdata) {
1423 /* no data from the file, point to a zero byte string to make this
1424 get sent as a POST anyway */
1425 postdata = strdup("");
1426 if(!postdata)
1427 return PARAM_NO_MEM;
1428 size = 0;
1429 }
1430 else {
1431 char *enc = curl_easy_escape(NULL, postdata, (int)size);
1432 Curl_safefree(postdata); /* no matter if it worked or not */
1433 if(enc) {
1434 /* replace (in-place) '%20' by '+' according to RFC1866 */
1435 size_t enclen = replace_url_encoded_space_by_plus(enc);
1436 /* now make a string with the name from above and append the
1437 encoded string */
1438 size_t outlen = nlen + enclen + 2;
1439 char *n = malloc(outlen);
1440 if(!n) {
1441 curl_free(enc);
1442 return PARAM_NO_MEM;
1443 }
1444 if(nlen > 0) { /* only append '=' if we have a name */
1445 msnprintf(n, outlen, "%.*s=%s", nlen, nextarg, enc);
1446 size = outlen-1;
1447 }
1448 else {
1449 strcpy(n, enc);
1450 size = outlen-2; /* since no '=' was inserted */
1451 }
1452 curl_free(enc);
1453 postdata = n;
1454 }
1455 else
1456 return PARAM_NO_MEM;
1457 }
1458 }
1459 else if('@' == *nextarg && !raw_mode) {
1460 /* the data begins with a '@' letter, it means that a file name
1461 or - (stdin) follows */
1462 nextarg++; /* pass the @ */
1463
1464 if(!strcmp("-", nextarg)) {
1465 file = stdin;
1466 if(subletter == 'b') /* forced data-binary */
1467 set_binmode(stdin);
1468 }
1469 else {
1470 file = fopen(nextarg, "rb");
1471 if(!file)
1472 warnf(global, "Couldn't read data from file \"%s\", this makes "
1473 "an empty POST.\n", nextarg);
1474 }
1475
1476 if(subletter == 'b')
1477 /* forced binary */
1478 err = file2memory(&postdata, &size, file);
1479 else {
1480 err = file2string(&postdata, file);
1481 if(postdata)
1482 size = strlen(postdata);
1483 }
1484
1485 if(file && (file != stdin))
1486 fclose(file);
1487 if(err)
1488 return err;
1489
1490 if(!postdata) {
1491 /* no data from the file, point to a zero byte string to make this
1492 get sent as a POST anyway */
1493 postdata = strdup("");
1494 if(!postdata)
1495 return PARAM_NO_MEM;
1496 }
1497 }
1498 else {
1499 GetStr(&postdata, nextarg);
1500 if(postdata)
1501 size = strlen(postdata);
1502 }
1503
1504 #ifdef CURL_DOES_CONVERSIONS
1505 if(subletter != 'b') {
1506 /* NOT forced binary, convert to ASCII */
1507 if(convert_to_network(postdata, strlen(postdata))) {
1508 Curl_safefree(postdata);
1509 return PARAM_NO_MEM;
1510 }
1511 }
1512 #endif
1513
1514 if(config->postfields) {
1515 /* we already have a string, we append this one with a separating
1516 &-letter */
1517 char *oldpost = config->postfields;
1518 curl_off_t oldlen = config->postfieldsize;
1519 curl_off_t newlen = oldlen + curlx_uztoso(size) + 2;
1520 config->postfields = malloc((size_t)newlen);
1521 if(!config->postfields) {
1522 Curl_safefree(oldpost);
1523 Curl_safefree(postdata);
1524 return PARAM_NO_MEM;
1525 }
1526 memcpy(config->postfields, oldpost, (size_t)oldlen);
1527 /* use byte value 0x26 for '&' to accommodate non-ASCII platforms */
1528 config->postfields[oldlen] = '\x26';
1529 memcpy(&config->postfields[oldlen + 1], postdata, size);
1530 config->postfields[oldlen + 1 + size] = '\0';
1531 Curl_safefree(oldpost);
1532 Curl_safefree(postdata);
1533 config->postfieldsize += size + 1;
1534 }
1535 else {
1536 config->postfields = postdata;
1537 config->postfieldsize = curlx_uztoso(size);
1538 }
1539 }
1540 /*
1541 We can't set the request type here, as this data might be used in
1542 a simple GET if -G is used. Already or soon.
1543
1544 if(SetHTTPrequest(HTTPREQ_SIMPLEPOST, &config->httpreq)) {
1545 Curl_safefree(postdata);
1546 return PARAM_BAD_USE;
1547 }
1548 */
1549 break;
1550 case 'D':
1551 /* dump-header to given file name */
1552 GetStr(&config->headerfile, nextarg);
1553 break;
1554 case 'e':
1555 {
1556 char *ptr = strstr(nextarg, ";auto");
1557 if(ptr) {
1558 /* Automatic referer requested, this may be combined with a
1559 set initial one */
1560 config->autoreferer = TRUE;
1561 *ptr = 0; /* null-terminate here */
1562 }
1563 else
1564 config->autoreferer = FALSE;
1565 ptr = *nextarg ? nextarg : NULL;
1566 GetStr(&config->referer, ptr);
1567 }
1568 break;
1569 case 'E':
1570 switch(subletter) {
1571 case '\0': /* certificate file */
1572 GetFileAndPassword(nextarg, &config->cert, &config->key_passwd);
1573 break;
1574 case 'a': /* CA info PEM file */
1575 GetStr(&config->cacert, nextarg);
1576 break;
1577 case 'b': /* cert file type */
1578 GetStr(&config->cert_type, nextarg);
1579 break;
1580 case 'c': /* private key file */
1581 GetStr(&config->key, nextarg);
1582 break;
1583 case 'd': /* private key file type */
1584 GetStr(&config->key_type, nextarg);
1585 break;
1586 case 'e': /* private key passphrase */
1587 GetStr(&config->key_passwd, nextarg);
1588 cleanarg(nextarg);
1589 break;
1590 case 'f': /* crypto engine */
1591 GetStr(&config->engine, nextarg);
1592 if(config->engine && curl_strequal(config->engine, "list"))
1593 return PARAM_ENGINES_REQUESTED;
1594 break;
1595 case 'g': /* CA cert directory */
1596 GetStr(&config->capath, nextarg);
1597 break;
1598 case 'h': /* --pubkey public key file */
1599 GetStr(&config->pubkey, nextarg);
1600 break;
1601 case 'i': /* --hostpubmd5 md5 of the host public key */
1602 GetStr(&config->hostpubmd5, nextarg);
1603 if(!config->hostpubmd5 || strlen(config->hostpubmd5) != 32)
1604 return PARAM_BAD_USE;
1605 break;
1606 case 'F': /* --hostpubsha256 sha256 of the host public key */
1607 GetStr(&config->hostpubsha256, nextarg);
1608 break;
1609 case 'j': /* CRL file */
1610 GetStr(&config->crlfile, nextarg);
1611 break;
1612 case 'k': /* TLS username */
1613 if(curlinfo->features & CURL_VERSION_TLSAUTH_SRP)
1614 GetStr(&config->tls_username, nextarg);
1615 else
1616 return PARAM_LIBCURL_DOESNT_SUPPORT;
1617 break;
1618 case 'l': /* TLS password */
1619 if(curlinfo->features & CURL_VERSION_TLSAUTH_SRP)
1620 GetStr(&config->tls_password, nextarg);
1621 else
1622 return PARAM_LIBCURL_DOESNT_SUPPORT;
1623 break;
1624 case 'm': /* TLS authentication type */
1625 if(curlinfo->features & CURL_VERSION_TLSAUTH_SRP) {
1626 GetStr(&config->tls_authtype, nextarg);
1627 if(!curl_strequal(config->tls_authtype, "SRP"))
1628 return PARAM_LIBCURL_DOESNT_SUPPORT; /* only support TLS-SRP */
1629 }
1630 else
1631 return PARAM_LIBCURL_DOESNT_SUPPORT;
1632 break;
1633 case 'n': /* no empty SSL fragments, --ssl-allow-beast */
1634 if(curlinfo->features & CURL_VERSION_SSL)
1635 config->ssl_allow_beast = toggle;
1636 break;
1637
1638 case 'o': /* --ssl-auto-client-cert */
1639 if(curlinfo->features & CURL_VERSION_SSL)
1640 config->ssl_auto_client_cert = toggle;
1641 break;
1642
1643 case 'O': /* --proxy-ssl-auto-client-cert */
1644 if(curlinfo->features & CURL_VERSION_SSL)
1645 config->proxy_ssl_auto_client_cert = toggle;
1646 break;
1647
1648 case 'p': /* Pinned public key DER file */
1649 GetStr(&config->pinnedpubkey, nextarg);
1650 break;
1651
1652 case 'P': /* proxy pinned public key */
1653 GetStr(&config->proxy_pinnedpubkey, nextarg);
1654 break;
1655
1656 case 'q': /* --cert-status */
1657 config->verifystatus = TRUE;
1658 break;
1659
1660 case 'Q': /* --doh-cert-status */
1661 config->doh_verifystatus = TRUE;
1662 break;
1663
1664 case 'r': /* --false-start */
1665 config->falsestart = TRUE;
1666 break;
1667
1668 case 's': /* --ssl-no-revoke */
1669 if(curlinfo->features & CURL_VERSION_SSL)
1670 config->ssl_no_revoke = TRUE;
1671 break;
1672
1673 case 'S': /* --ssl-revoke-best-effort */
1674 if(curlinfo->features & CURL_VERSION_SSL)
1675 config->ssl_revoke_best_effort = TRUE;
1676 break;
1677
1678 case 't': /* --tcp-fastopen */
1679 config->tcp_fastopen = TRUE;
1680 break;
1681
1682 case 'u': /* TLS username for proxy */
1683 if(curlinfo->features & CURL_VERSION_TLSAUTH_SRP)
1684 GetStr(&config->proxy_tls_username, nextarg);
1685 else
1686 return PARAM_LIBCURL_DOESNT_SUPPORT;
1687 break;
1688
1689 case 'v': /* TLS password for proxy */
1690 if(curlinfo->features & CURL_VERSION_TLSAUTH_SRP)
1691 GetStr(&config->proxy_tls_password, nextarg);
1692 else
1693 return PARAM_LIBCURL_DOESNT_SUPPORT;
1694 break;
1695
1696 case 'w': /* TLS authentication type for proxy */
1697 if(curlinfo->features & CURL_VERSION_TLSAUTH_SRP) {
1698 GetStr(&config->proxy_tls_authtype, nextarg);
1699 if(!curl_strequal(config->proxy_tls_authtype, "SRP"))
1700 return PARAM_LIBCURL_DOESNT_SUPPORT; /* only support TLS-SRP */
1701 }
1702 else
1703 return PARAM_LIBCURL_DOESNT_SUPPORT;
1704 break;
1705
1706 case 'x': /* certificate file for proxy */
1707 GetFileAndPassword(nextarg, &config->proxy_cert,
1708 &config->proxy_key_passwd);
1709 break;
1710
1711 case 'y': /* cert file type for proxy */
1712 GetStr(&config->proxy_cert_type, nextarg);
1713 break;
1714
1715 case 'z': /* private key file for proxy */
1716 GetStr(&config->proxy_key, nextarg);
1717 break;
1718
1719 case '0': /* private key file type for proxy */
1720 GetStr(&config->proxy_key_type, nextarg);
1721 break;
1722
1723 case '1': /* private key passphrase for proxy */
1724 GetStr(&config->proxy_key_passwd, nextarg);
1725 cleanarg(nextarg);
1726 break;
1727
1728 case '2': /* ciphers for proxy */
1729 GetStr(&config->proxy_cipher_list, nextarg);
1730 break;
1731
1732 case '3': /* CRL file for proxy */
1733 GetStr(&config->proxy_crlfile, nextarg);
1734 break;
1735
1736 case '4': /* no empty SSL fragments for proxy */
1737 if(curlinfo->features & CURL_VERSION_SSL)
1738 config->proxy_ssl_allow_beast = toggle;
1739 break;
1740
1741 case '5': /* --login-options */
1742 GetStr(&config->login_options, nextarg);
1743 break;
1744
1745 case '6': /* CA info PEM file for proxy */
1746 GetStr(&config->proxy_cacert, nextarg);
1747 break;
1748
1749 case '7': /* CA cert directory for proxy */
1750 GetStr(&config->proxy_capath, nextarg);
1751 break;
1752
1753 case '8': /* allow insecure SSL connects for proxy */
1754 config->proxy_insecure_ok = toggle;
1755 break;
1756
1757 case '9': /* --proxy-tlsv1 */
1758 /* TLS version 1 for proxy */
1759 config->proxy_ssl_version = CURL_SSLVERSION_TLSv1;
1760 break;
1761
1762 case 'A':
1763 /* --socks5-basic */
1764 if(toggle)
1765 config->socks5_auth |= CURLAUTH_BASIC;
1766 else
1767 config->socks5_auth &= ~CURLAUTH_BASIC;
1768 break;
1769
1770 case 'B':
1771 /* --socks5-gssapi */
1772 if(toggle)
1773 config->socks5_auth |= CURLAUTH_GSSAPI;
1774 else
1775 config->socks5_auth &= ~CURLAUTH_GSSAPI;
1776 break;
1777
1778 case 'C':
1779 GetStr(&config->etag_save_file, nextarg);
1780 break;
1781
1782 case 'D':
1783 GetStr(&config->etag_compare_file, nextarg);
1784 break;
1785
1786 case 'E':
1787 GetStr(&config->ssl_ec_curves, nextarg);
1788 break;
1789
1790 default: /* unknown flag */
1791 return PARAM_OPTION_UNKNOWN;
1792 }
1793 break;
1794 case 'f':
1795 switch(subletter) {
1796 case 'a': /* --fail-early */
1797 global->fail_early = toggle;
1798 break;
1799 case 'b': /* --styled-output */
1800 global->styled_output = toggle;
1801 break;
1802 case 'c': /* --mail-rcpt-allowfails */
1803 config->mail_rcpt_allowfails = toggle;
1804 break;
1805 case 'd': /* --fail-with-body */
1806 config->failwithbody = toggle;
1807 break;
1808 default: /* --fail (hard on errors) */
1809 config->failonerror = toggle;
1810 break;
1811 }
1812 if(config->failonerror && config->failwithbody) {
1813 errorf(config->global, "You must select either --fail or "
1814 "--fail-with-body, not both.\n");
1815 return PARAM_BAD_USE;
1816 }
1817 break;
1818 case 'F':
1819 /* "form data" simulation, this is a little advanced so lets do our best
1820 to sort this out slowly and carefully */
1821 if(formparse(config,
1822 nextarg,
1823 &config->mimeroot,
1824 &config->mimecurrent,
1825 (subletter == 's')?TRUE:FALSE)) /* 's' is literal string */
1826 return PARAM_BAD_USE;
1827 if(SetHTTPrequest(config, HTTPREQ_MIMEPOST, &config->httpreq))
1828 return PARAM_BAD_USE;
1829 break;
1830
1831 case 'g': /* g disables URLglobbing */
1832 config->globoff = toggle;
1833 break;
1834
1835 case 'G': /* HTTP GET */
1836 if(subletter == 'a') { /* --request-target */
1837 GetStr(&config->request_target, nextarg);
1838 }
1839 else
1840 config->use_httpget = TRUE;
1841 break;
1842
1843 case 'h': /* h for help */
1844 if(toggle) {
1845 if(nextarg) {
1846 global->help_category = strdup(nextarg);
1847 if(!global->help_category)
1848 return PARAM_NO_MEM;
1849 }
1850 return PARAM_HELP_REQUESTED;
1851 }
1852 /* we now actually support --no-help too! */
1853 break;
1854 case 'H':
1855 /* A custom header to append to a list */
1856 if(nextarg[0] == '@') {
1857 /* read many headers from a file or stdin */
1858 char *string;
1859 size_t len;
1860 bool use_stdin = !strcmp(&nextarg[1], "-");
1861 FILE *file = use_stdin?stdin:fopen(&nextarg[1], FOPEN_READTEXT);
1862 if(!file)
1863 warnf(global, "Failed to open %s!\n", &nextarg[1]);
1864 else {
1865 err = file2memory(&string, &len, file);
1866 if(!err && string) {
1867 /* Allow strtok() here since this isn't used threaded */
1868 /* !checksrc! disable BANNEDFUNC 2 */
1869 char *h = strtok(string, "\r\n");
1870 while(h) {
1871 if(subletter == 'p') /* --proxy-header */
1872 err = add2list(&config->proxyheaders, h);
1873 else
1874 err = add2list(&config->headers, h);
1875 if(err)
1876 break;
1877 h = strtok(NULL, "\r\n");
1878 }
1879 free(string);
1880 }
1881 if(!use_stdin)
1882 fclose(file);
1883 if(err)
1884 return err;
1885 }
1886 }
1887 else {
1888 if(subletter == 'p') /* --proxy-header */
1889 err = add2list(&config->proxyheaders, nextarg);
1890 else
1891 err = add2list(&config->headers, nextarg);
1892 if(err)
1893 return err;
1894 }
1895 break;
1896 case 'i':
1897 config->show_headers = toggle; /* show the headers as well in the
1898 general output stream */
1899 break;
1900 case 'j':
1901 config->cookiesession = toggle;
1902 break;
1903 case 'I': /* --head */
1904 config->no_body = toggle;
1905 config->show_headers = toggle;
1906 if(SetHTTPrequest(config,
1907 (config->no_body)?HTTPREQ_HEAD:HTTPREQ_GET,
1908 &config->httpreq))
1909 return PARAM_BAD_USE;
1910 break;
1911 case 'J': /* --remote-header-name */
1912 config->content_disposition = toggle;
1913 break;
1914 case 'k': /* allow insecure SSL connects */
1915 if(subletter == 'd') /* --doh-insecure */
1916 config->doh_insecure_ok = toggle;
1917 else
1918 config->insecure_ok = toggle;
1919 break;
1920 case 'K': /* parse config file */
1921 if(parseconfig(nextarg, global))
1922 warnf(global, "error trying read config from the '%s' file\n",
1923 nextarg);
1924 break;
1925 case 'l':
1926 config->dirlistonly = toggle; /* only list the names of the FTP dir */
1927 break;
1928 case 'L':
1929 config->followlocation = toggle; /* Follow Location: HTTP headers */
1930 switch(subletter) {
1931 case 't':
1932 /* Continue to send authentication (user+password) when following
1933 * locations, even when hostname changed */
1934 config->unrestricted_auth = toggle;
1935 break;
1936 }
1937 break;
1938 case 'm':
1939 /* specified max time */
1940 err = str2udouble(&config->timeout, nextarg, LONG_MAX/1000);
1941 if(err)
1942 return err;
1943 break;
1944 case 'M': /* M for manual, huge help */
1945 if(toggle) { /* --no-manual shows no manual... */
1946 #ifdef USE_MANUAL
1947 return PARAM_MANUAL_REQUESTED;
1948 #else
1949 warnf(global,
1950 "built-in manual was disabled at build-time!\n");
1951 return PARAM_OPTION_UNKNOWN;
1952 #endif
1953 }
1954 break;
1955 case 'n':
1956 switch(subletter) {
1957 case 'o': /* use .netrc or URL */
1958 config->netrc_opt = toggle;
1959 break;
1960 case 'e': /* netrc-file */
1961 GetStr(&config->netrc_file, nextarg);
1962 break;
1963 default:
1964 /* pick info from .netrc, if this is used for http, curl will
1965 automatically enforce user+password with the request */
1966 config->netrc = toggle;
1967 break;
1968 }
1969 break;
1970 case 'N':
1971 /* disable the output I/O buffering. note that the option is called
1972 --buffer but is mostly used in the negative form: --no-buffer */
1973 if(longopt)
1974 config->nobuffer = (!toggle)?TRUE:FALSE;
1975 else
1976 config->nobuffer = toggle;
1977 break;
1978 case 'O': /* --remote-name */
1979 if(subletter == 'a') { /* --remote-name-all */
1980 config->default_node_flags = toggle?GETOUT_USEREMOTE:0;
1981 break;
1982 }
1983 else if(subletter == 'b') { /* --output-dir */
1984 GetStr(&config->output_dir, nextarg);
1985 break;
1986 }
1987 /* FALLTHROUGH */
1988 case 'o': /* --output */
1989 /* output file */
1990 {
1991 struct getout *url;
1992 if(!config->url_out)
1993 config->url_out = config->url_list;
1994 if(config->url_out) {
1995 /* there's a node here, if it already is filled-in continue to find
1996 an "empty" node */
1997 while(config->url_out && (config->url_out->flags & GETOUT_OUTFILE))
1998 config->url_out = config->url_out->next;
1999 }
2000
2001 /* now there might or might not be an available node to fill in! */
2002
2003 if(config->url_out)
2004 /* existing node */
2005 url = config->url_out;
2006 else
2007 /* there was no free node, create one! */
2008 config->url_out = url = new_getout(config);
2009
2010 if(!url)
2011 return PARAM_NO_MEM;
2012
2013 /* fill in the outfile */
2014 if('o' == letter) {
2015 GetStr(&url->outfile, nextarg);
2016 url->flags &= ~GETOUT_USEREMOTE; /* switch off */
2017 }
2018 else {
2019 url->outfile = NULL; /* leave it */
2020 if(toggle)
2021 url->flags |= GETOUT_USEREMOTE; /* switch on */
2022 else
2023 url->flags &= ~GETOUT_USEREMOTE; /* switch off */
2024 }
2025 url->flags |= GETOUT_OUTFILE;
2026 }
2027 break;
2028 case 'P':
2029 /* This makes the FTP sessions use PORT instead of PASV */
2030 /* use <eth0> or <192.168.10.10> style addresses. Anything except
2031 this will make us try to get the "default" address.
2032 NOTE: this is a changed behavior since the released 4.1!
2033 */
2034 GetStr(&config->ftpport, nextarg);
2035 break;
2036 case 'p':
2037 /* proxy tunnel for non-http protocols */
2038 config->proxytunnel = toggle;
2039 break;
2040
2041 case 'q': /* if used first, already taken care of, we do it like
2042 this so we don't cause an error! */
2043 break;
2044 case 'Q':
2045 /* QUOTE command to send to FTP server */
2046 switch(nextarg[0]) {
2047 case '-':
2048 /* prefixed with a dash makes it a POST TRANSFER one */
2049 nextarg++;
2050 err = add2list(&config->postquote, nextarg);
2051 break;
2052 case '+':
2053 /* prefixed with a plus makes it a just-before-transfer one */
2054 nextarg++;
2055 err = add2list(&config->prequote, nextarg);
2056 break;
2057 default:
2058 err = add2list(&config->quote, nextarg);
2059 break;
2060 }
2061 if(err)
2062 return err;
2063 break;
2064 case 'r':
2065 /* Specifying a range WITHOUT A DASH will create an illegal HTTP range
2066 (and won't actually be range by definition). The man page previously
2067 claimed that to be a good way, why this code is added to work-around
2068 it. */
2069 if(ISDIGIT(*nextarg) && !strchr(nextarg, '-')) {
2070 char buffer[32];
2071 curl_off_t off;
2072 if(curlx_strtoofft(nextarg, NULL, 10, &off)) {
2073 warnf(global, "unsupported range point\n");
2074 return PARAM_BAD_USE;
2075 }
2076 warnf(global,
2077 "A specified range MUST include at least one dash (-). "
2078 "Appending one for you!\n");
2079 msnprintf(buffer, sizeof(buffer), "%" CURL_FORMAT_CURL_OFF_T "-", off);
2080 Curl_safefree(config->range);
2081 config->range = strdup(buffer);
2082 if(!config->range)
2083 return PARAM_NO_MEM;
2084 }
2085 else {
2086 /* byte range requested */
2087 const char *tmp_range = nextarg;
2088 while(*tmp_range != '\0') {
2089 if(!ISDIGIT(*tmp_range) && *tmp_range != '-' && *tmp_range != ',') {
2090 warnf(global, "Invalid character is found in given range. "
2091 "A specified range MUST have only digits in "
2092 "\'start\'-\'stop\'. The server's response to this "
2093 "request is uncertain.\n");
2094 break;
2095 }
2096 tmp_range++;
2097 }
2098 GetStr(&config->range, nextarg);
2099 }
2100 break;
2101 case 'R':
2102 /* use remote file's time */
2103 config->remote_time = toggle;
2104 break;
2105 case 's':
2106 /* don't show progress meter, don't show errors : */
2107 if(toggle)
2108 global->mute = global->noprogress = TRUE;
2109 else
2110 global->mute = global->noprogress = FALSE;
2111 if(global->showerror < 0)
2112 /* if still on the default value, set showerror to the reverse of
2113 toggle. This is to allow -S and -s to be used in an independent
2114 order but still have the same effect. */
2115 global->showerror = (!toggle)?TRUE:FALSE; /* toggle off */
2116 break;
2117 case 'S':
2118 /* show errors */
2119 global->showerror = toggle?1:0; /* toggle on if used with -s */
2120 break;
2121 case 't':
2122 /* Telnet options */
2123 err = add2list(&config->telnet_options, nextarg);
2124 if(err)
2125 return err;
2126 break;
2127 case 'T':
2128 /* we are uploading */
2129 {
2130 struct getout *url;
2131 if(!config->url_ul)
2132 config->url_ul = config->url_list;
2133 if(config->url_ul) {
2134 /* there's a node here, if it already is filled-in continue to find
2135 an "empty" node */
2136 while(config->url_ul && (config->url_ul->flags & GETOUT_UPLOAD))
2137 config->url_ul = config->url_ul->next;
2138 }
2139
2140 /* now there might or might not be an available node to fill in! */
2141
2142 if(config->url_ul)
2143 /* existing node */
2144 url = config->url_ul;
2145 else
2146 /* there was no free node, create one! */
2147 config->url_ul = url = new_getout(config);
2148
2149 if(!url)
2150 return PARAM_NO_MEM;
2151
2152 url->flags |= GETOUT_UPLOAD; /* mark -T used */
2153 if(!*nextarg)
2154 url->flags |= GETOUT_NOUPLOAD;
2155 else {
2156 /* "-" equals stdin, but keep the string around for now */
2157 GetStr(&url->infile, nextarg);
2158 }
2159 }
2160 break;
2161 case 'u':
2162 /* user:password */
2163 GetStr(&config->userpwd, nextarg);
2164 cleanarg(nextarg);
2165 break;
2166 case 'U':
2167 /* Proxy user:password */
2168 GetStr(&config->proxyuserpwd, nextarg);
2169 cleanarg(nextarg);
2170 break;
2171 case 'v':
2172 if(toggle) {
2173 /* the '%' thing here will cause the trace get sent to stderr */
2174 Curl_safefree(global->trace_dump);
2175 global->trace_dump = strdup("%");
2176 if(!global->trace_dump)
2177 return PARAM_NO_MEM;
2178 if(global->tracetype && (global->tracetype != TRACE_PLAIN))
2179 warnf(global,
2180 "-v, --verbose overrides an earlier trace/verbose option\n");
2181 global->tracetype = TRACE_PLAIN;
2182 }
2183 else
2184 /* verbose is disabled here */
2185 global->tracetype = TRACE_NONE;
2186 break;
2187 case 'V':
2188 if(toggle) /* --no-version yields no output! */
2189 return PARAM_VERSION_INFO_REQUESTED;
2190 break;
2191
2192 case 'w':
2193 /* get the output string */
2194 if('@' == *nextarg) {
2195 /* the data begins with a '@' letter, it means that a file name
2196 or - (stdin) follows */
2197 FILE *file;
2198 const char *fname;
2199 nextarg++; /* pass the @ */
2200 if(!strcmp("-", nextarg)) {
2201 fname = "<stdin>";
2202 file = stdin;
2203 }
2204 else {
2205 fname = nextarg;
2206 file = fopen(nextarg, FOPEN_READTEXT);
2207 }
2208 Curl_safefree(config->writeout);
2209 err = file2string(&config->writeout, file);
2210 if(file && (file != stdin))
2211 fclose(file);
2212 if(err)
2213 return err;
2214 if(!config->writeout)
2215 warnf(global, "Failed to read %s", fname);
2216 }
2217 else
2218 GetStr(&config->writeout, nextarg);
2219 break;
2220 case 'x':
2221 switch(subletter) {
2222 case 'a': /* --preproxy */
2223 GetStr(&config->preproxy, nextarg);
2224 break;
2225 default:
2226 /* --proxy */
2227 GetStr(&config->proxy, nextarg);
2228 config->proxyver = CURLPROXY_HTTP;
2229 break;
2230 }
2231 break;
2232 case 'X':
2233 /* set custom request */
2234 GetStr(&config->customrequest, nextarg);
2235 break;
2236 case 'y':
2237 /* low speed time */
2238 err = str2unum(&config->low_speed_time, nextarg);
2239 if(err)
2240 return err;
2241 if(!config->low_speed_limit)
2242 config->low_speed_limit = 1;
2243 break;
2244 case 'Y':
2245 /* low speed limit */
2246 err = str2unum(&config->low_speed_limit, nextarg);
2247 if(err)
2248 return err;
2249 if(!config->low_speed_time)
2250 config->low_speed_time = 30;
2251 break;
2252 case 'Z':
2253 switch(subletter) {
2254 case '\0': /* --parallel */
2255 global->parallel = toggle;
2256 break;
2257 case 'b': /* --parallel-max */
2258 err = str2unum(&global->parallel_max, nextarg);
2259 if(err)
2260 return err;
2261 if((global->parallel_max > MAX_PARALLEL) ||
2262 (global->parallel_max < 1))
2263 global->parallel_max = PARALLEL_DEFAULT;
2264 break;
2265 case 'c': /* --parallel-connect */
2266 global->parallel_connect = toggle;
2267 break;
2268 }
2269 break;
2270 case 'z': /* time condition coming up */
2271 switch(*nextarg) {
2272 case '+':
2273 nextarg++;
2274 /* FALLTHROUGH */
2275 default:
2276 /* If-Modified-Since: (section 14.28 in RFC2068) */
2277 config->timecond = CURL_TIMECOND_IFMODSINCE;
2278 break;
2279 case '-':
2280 /* If-Unmodified-Since: (section 14.24 in RFC2068) */
2281 config->timecond = CURL_TIMECOND_IFUNMODSINCE;
2282 nextarg++;
2283 break;
2284 case '=':
2285 /* Last-Modified: (section 14.29 in RFC2068) */
2286 config->timecond = CURL_TIMECOND_LASTMOD;
2287 nextarg++;
2288 break;
2289 }
2290 now = time(NULL);
2291 config->condtime = (curl_off_t)curl_getdate(nextarg, &now);
2292 if(-1 == config->condtime) {
2293 /* now let's see if it is a file name to get the time from instead! */
2294 curl_off_t filetime = getfiletime(nextarg, global);
2295 if(filetime >= 0) {
2296 /* pull the time out from the file */
2297 config->condtime = filetime;
2298 }
2299 else {
2300 /* failed, remove time condition */
2301 config->timecond = CURL_TIMECOND_NONE;
2302 warnf(global,
2303 "Illegal date format for -z, --time-cond (and not "
2304 "a file name). Disabling time condition. "
2305 "See curl_getdate(3) for valid date syntax.\n");
2306 }
2307 }
2308 break;
2309 default: /* unknown flag */
2310 return PARAM_OPTION_UNKNOWN;
2311 }
2312 hit = -1;
2313
2314 } while(!longopt && !singleopt && *++parse && !*usedarg);
2315
2316 return PARAM_OK;
2317 }
2318
parse_args(struct GlobalConfig * global,int argc,argv_item_t argv[])2319 ParameterError parse_args(struct GlobalConfig *global, int argc,
2320 argv_item_t argv[])
2321 {
2322 int i;
2323 bool stillflags;
2324 char *orig_opt = NULL;
2325 ParameterError result = PARAM_OK;
2326 struct OperationConfig *config = global->first;
2327
2328 for(i = 1, stillflags = TRUE; i < argc && !result; i++) {
2329 orig_opt = curlx_convert_tchar_to_UTF8(argv[i]);
2330 if(!orig_opt)
2331 return PARAM_NO_MEM;
2332
2333 if(stillflags && ('-' == orig_opt[0])) {
2334 bool passarg;
2335
2336 if(!strcmp("--", orig_opt))
2337 /* This indicates the end of the flags and thus enables the
2338 following (URL) argument to start with -. */
2339 stillflags = FALSE;
2340 else {
2341 char *nextarg = (i < (argc - 1))
2342 ? curlx_convert_tchar_to_UTF8(argv[i + 1])
2343 : NULL;
2344
2345 result = getparameter(orig_opt, nextarg, &passarg, global, config);
2346 curlx_unicodefree(nextarg);
2347 config = global->last;
2348 if(result == PARAM_NEXT_OPERATION) {
2349 /* Reset result as PARAM_NEXT_OPERATION is only used here and not
2350 returned from this function */
2351 result = PARAM_OK;
2352
2353 if(config->url_list && config->url_list->url) {
2354 /* Allocate the next config */
2355 config->next = malloc(sizeof(struct OperationConfig));
2356 if(config->next) {
2357 /* Initialise the newly created config */
2358 config_init(config->next);
2359
2360 /* Set the global config pointer */
2361 config->next->global = global;
2362
2363 /* Update the last config pointer */
2364 global->last = config->next;
2365
2366 /* Move onto the new config */
2367 config->next->prev = config;
2368 config = config->next;
2369 }
2370 else
2371 result = PARAM_NO_MEM;
2372 }
2373 }
2374 else if(!result && passarg)
2375 i++; /* we're supposed to skip this */
2376 }
2377 }
2378 else {
2379 bool used;
2380
2381 /* Just add the URL please */
2382 result = getparameter("--url", orig_opt, &used, global,
2383 config);
2384 }
2385
2386 if(!result)
2387 curlx_unicodefree(orig_opt);
2388 }
2389
2390 if(!result && config->content_disposition) {
2391 if(config->show_headers)
2392 result = PARAM_CONTDISP_SHOW_HEADER;
2393 else if(config->resume_from_current)
2394 result = PARAM_CONTDISP_RESUME_FROM;
2395 }
2396
2397 if(result && result != PARAM_HELP_REQUESTED &&
2398 result != PARAM_MANUAL_REQUESTED &&
2399 result != PARAM_VERSION_INFO_REQUESTED &&
2400 result != PARAM_ENGINES_REQUESTED) {
2401 const char *reason = param2text(result);
2402
2403 if(orig_opt && strcmp(":", orig_opt))
2404 helpf(global->errors, "option %s: %s\n", orig_opt, reason);
2405 else
2406 helpf(global->errors, "%s\n", reason);
2407 }
2408
2409 curlx_unicodefree(orig_opt);
2410 return result;
2411 }
2412