1 /***************************************************************************
2 * _ _ ____ _
3 * Project ___| | | | _ \| |
4 * / __| | | | |_) | |
5 * | (__| |_| | _ <| |___
6 * \___|\___/|_| \_\_____|
7 *
8 * Copyright (C) 1998 - 2020, 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_metalink.h"
40 #include "tool_msgs.h"
41 #include "tool_paramhlp.h"
42 #include "tool_parsecfg.h"
43 #include "tool_main.h"
44
45 #include "memdebug.h" /* keep this as LAST include */
46
47 #ifdef MSDOS
48 # define USE_WATT32
49 #endif
50
51 #define GetStr(str,val) do { \
52 if(*(str)) { \
53 free(*(str)); \
54 *(str) = NULL; \
55 } \
56 if((val)) { \
57 *(str) = strdup((val)); \
58 if(!(*(str))) \
59 return PARAM_NO_MEM; \
60 } \
61 } while(0)
62
63 struct LongShort {
64 const char *letter; /* short name option */
65 const char *lname; /* long name option */
66 enum {
67 ARG_NONE, /* stand-alone but not a boolean */
68 ARG_BOOL, /* accepts a --no-[name] prefix */
69 ARG_STRING, /* requires an argument */
70 ARG_FILENAME /* requires an argument, usually a file name */
71 } desc;
72 };
73
74 static const struct LongShort aliases[]= {
75 /* 'letter' strings with more than one character have *no* short option to
76 mention. */
77 {"*@", "url", ARG_STRING},
78 {"*4", "dns-ipv4-addr", ARG_STRING},
79 {"*6", "dns-ipv6-addr", ARG_STRING},
80 {"*a", "random-file", ARG_FILENAME},
81 {"*b", "egd-file", ARG_STRING},
82 {"*B", "oauth2-bearer", ARG_STRING},
83 {"*c", "connect-timeout", ARG_STRING},
84 {"*C", "doh-url" , ARG_STRING},
85 {"*d", "ciphers", ARG_STRING},
86 {"*D", "dns-interface", ARG_STRING},
87 {"*e", "disable-epsv", ARG_BOOL},
88 {"*f", "disallow-username-in-url", ARG_BOOL},
89 {"*E", "epsv", ARG_BOOL},
90 /* 'epsv' made like this to make --no-epsv and --epsv to work
91 although --disable-epsv is the documented option */
92 {"*F", "dns-servers", ARG_STRING},
93 {"*g", "trace", ARG_FILENAME},
94 {"*G", "npn", ARG_BOOL},
95 {"*h", "trace-ascii", ARG_FILENAME},
96 {"*H", "alpn", ARG_BOOL},
97 {"*i", "limit-rate", ARG_STRING},
98 {"*j", "compressed", ARG_BOOL},
99 {"*J", "tr-encoding", ARG_BOOL},
100 {"*k", "digest", ARG_BOOL},
101 {"*l", "negotiate", ARG_BOOL},
102 {"*m", "ntlm", ARG_BOOL},
103 {"*M", "ntlm-wb", ARG_BOOL},
104 {"*n", "basic", ARG_BOOL},
105 {"*o", "anyauth", ARG_BOOL},
106 #ifdef USE_WATT32
107 {"*p", "wdebug", ARG_BOOL},
108 #endif
109 {"*q", "ftp-create-dirs", ARG_BOOL},
110 {"*r", "create-dirs", ARG_BOOL},
111 {"*s", "max-redirs", ARG_STRING},
112 {"*t", "proxy-ntlm", ARG_BOOL},
113 {"*u", "crlf", ARG_BOOL},
114 {"*v", "stderr", ARG_FILENAME},
115 {"*w", "interface", ARG_STRING},
116 {"*x", "krb", ARG_STRING},
117 {"*x", "krb4", ARG_STRING},
118 /* 'krb4' is the previous name */
119 {"*X", "haproxy-protocol", ARG_BOOL},
120 {"*y", "max-filesize", ARG_STRING},
121 {"*z", "disable-eprt", ARG_BOOL},
122 {"*Z", "eprt", ARG_BOOL},
123 /* 'eprt' made like this to make --no-eprt and --eprt to work
124 although --disable-eprt is the documented option */
125 {"*~", "xattr", ARG_BOOL},
126 {"$a", "ftp-ssl", ARG_BOOL},
127 /* 'ftp-ssl' deprecated name since 7.20.0 */
128 {"$a", "ssl", ARG_BOOL},
129 /* 'ssl' new option name in 7.20.0, previously this was ftp-ssl */
130 {"$b", "ftp-pasv", ARG_BOOL},
131 {"$c", "socks5", ARG_STRING},
132 {"$d", "tcp-nodelay", ARG_BOOL},
133 {"$e", "proxy-digest", ARG_BOOL},
134 {"$f", "proxy-basic", ARG_BOOL},
135 {"$g", "retry", ARG_STRING},
136 {"$V", "retry-connrefused", ARG_BOOL},
137 {"$h", "retry-delay", ARG_STRING},
138 {"$i", "retry-max-time", ARG_STRING},
139 {"$k", "proxy-negotiate", ARG_BOOL},
140 {"$m", "ftp-account", ARG_STRING},
141 {"$n", "proxy-anyauth", ARG_BOOL},
142 {"$o", "trace-time", ARG_BOOL},
143 {"$p", "ignore-content-length", ARG_BOOL},
144 {"$q", "ftp-skip-pasv-ip", ARG_BOOL},
145 {"$r", "ftp-method", ARG_STRING},
146 {"$s", "local-port", ARG_STRING},
147 {"$t", "socks4", ARG_STRING},
148 {"$T", "socks4a", ARG_STRING},
149 {"$u", "ftp-alternative-to-user", ARG_STRING},
150 {"$v", "ftp-ssl-reqd", ARG_BOOL},
151 /* 'ftp-ssl-reqd' deprecated name since 7.20.0 */
152 {"$v", "ssl-reqd", ARG_BOOL},
153 /* 'ssl-reqd' new in 7.20.0, previously this was ftp-ssl-reqd */
154 {"$w", "sessionid", ARG_BOOL},
155 /* 'sessionid' listed as --no-sessionid in the help */
156 {"$x", "ftp-ssl-control", ARG_BOOL},
157 {"$y", "ftp-ssl-ccc", ARG_BOOL},
158 {"$j", "ftp-ssl-ccc-mode", ARG_STRING},
159 {"$z", "libcurl", ARG_STRING},
160 {"$#", "raw", ARG_BOOL},
161 {"$0", "post301", ARG_BOOL},
162 {"$1", "keepalive", ARG_BOOL},
163 /* 'keepalive' listed as --no-keepalive in the help */
164 {"$2", "socks5-hostname", ARG_STRING},
165 {"$3", "keepalive-time", ARG_STRING},
166 {"$4", "post302", ARG_BOOL},
167 {"$5", "noproxy", ARG_STRING},
168 {"$7", "socks5-gssapi-nec", ARG_BOOL},
169 {"$8", "proxy1.0", ARG_STRING},
170 {"$9", "tftp-blksize", ARG_STRING},
171 {"$A", "mail-from", ARG_STRING},
172 {"$B", "mail-rcpt", ARG_STRING},
173 {"$C", "ftp-pret", ARG_BOOL},
174 {"$D", "proto", ARG_STRING},
175 {"$E", "proto-redir", ARG_STRING},
176 {"$F", "resolve", ARG_STRING},
177 {"$G", "delegation", ARG_STRING},
178 {"$H", "mail-auth", ARG_STRING},
179 {"$I", "post303", ARG_BOOL},
180 {"$J", "metalink", ARG_BOOL},
181 {"$6", "sasl-authzid", ARG_STRING},
182 {"$K", "sasl-ir", ARG_BOOL },
183 {"$L", "test-event", ARG_BOOL},
184 {"$M", "unix-socket", ARG_FILENAME},
185 {"$N", "path-as-is", ARG_BOOL},
186 {"$O", "socks5-gssapi-service", ARG_STRING},
187 /* 'socks5-gssapi-service' merged with'proxy-service-name' and
188 deprecated since 7.49.0 */
189 {"$O", "proxy-service-name", ARG_STRING},
190 {"$P", "service-name", ARG_STRING},
191 {"$Q", "proto-default", ARG_STRING},
192 {"$R", "expect100-timeout", ARG_STRING},
193 {"$S", "tftp-no-options", ARG_BOOL},
194 {"$U", "connect-to", ARG_STRING},
195 {"$W", "abstract-unix-socket", ARG_FILENAME},
196 {"$X", "tls-max", ARG_STRING},
197 {"$Y", "suppress-connect-headers", ARG_BOOL},
198 {"$Z", "compressed-ssh", ARG_BOOL},
199 {"$~", "happy-eyeballs-timeout-ms", ARG_STRING},
200 {"$!", "retry-all-errors", ARG_BOOL},
201 {"0", "http1.0", ARG_NONE},
202 {"01", "http1.1", ARG_NONE},
203 {"02", "http2", ARG_NONE},
204 {"03", "http2-prior-knowledge", ARG_NONE},
205 {"04", "http3", ARG_NONE},
206 {"09", "http0.9", ARG_BOOL},
207 {"1", "tlsv1", ARG_NONE},
208 {"10", "tlsv1.0", ARG_NONE},
209 {"11", "tlsv1.1", ARG_NONE},
210 {"12", "tlsv1.2", ARG_NONE},
211 {"13", "tlsv1.3", ARG_NONE},
212 {"1A", "tls13-ciphers", ARG_STRING},
213 {"1B", "proxy-tls13-ciphers", ARG_STRING},
214 {"2", "sslv2", ARG_NONE},
215 {"3", "sslv3", ARG_NONE},
216 {"4", "ipv4", ARG_NONE},
217 {"6", "ipv6", ARG_NONE},
218 {"a", "append", ARG_BOOL},
219 {"A", "user-agent", ARG_STRING},
220 {"b", "cookie", ARG_STRING},
221 {"ba", "alt-svc", ARG_STRING},
222 {"bb", "hsts", ARG_STRING},
223 {"B", "use-ascii", ARG_BOOL},
224 {"c", "cookie-jar", ARG_STRING},
225 {"C", "continue-at", ARG_STRING},
226 {"d", "data", ARG_STRING},
227 {"dr", "data-raw", ARG_STRING},
228 {"da", "data-ascii", ARG_STRING},
229 {"db", "data-binary", ARG_STRING},
230 {"de", "data-urlencode", ARG_STRING},
231 {"D", "dump-header", ARG_FILENAME},
232 {"e", "referer", ARG_STRING},
233 {"E", "cert", ARG_FILENAME},
234 {"Ea", "cacert", ARG_FILENAME},
235 {"Eb", "cert-type", ARG_STRING},
236 {"Ec", "key", ARG_FILENAME},
237 {"Ed", "key-type", ARG_STRING},
238 {"Ee", "pass", ARG_STRING},
239 {"Ef", "engine", ARG_STRING},
240 {"Eg", "capath", ARG_FILENAME},
241 {"Eh", "pubkey", ARG_STRING},
242 {"Ei", "hostpubmd5", ARG_STRING},
243 {"Ej", "crlfile", ARG_FILENAME},
244 {"Ek", "tlsuser", ARG_STRING},
245 {"El", "tlspassword", ARG_STRING},
246 {"Em", "tlsauthtype", ARG_STRING},
247 {"En", "ssl-allow-beast", ARG_BOOL},
248 /* Eo */
249 {"Ep", "pinnedpubkey", ARG_STRING},
250 {"EP", "proxy-pinnedpubkey", ARG_STRING},
251 {"Eq", "cert-status", ARG_BOOL},
252 {"Er", "false-start", ARG_BOOL},
253 {"Es", "ssl-no-revoke", ARG_BOOL},
254 {"ES", "ssl-revoke-best-effort", ARG_BOOL},
255 {"Et", "tcp-fastopen", ARG_BOOL},
256 {"Eu", "proxy-tlsuser", ARG_STRING},
257 {"Ev", "proxy-tlspassword", ARG_STRING},
258 {"Ew", "proxy-tlsauthtype", ARG_STRING},
259 {"Ex", "proxy-cert", ARG_FILENAME},
260 {"Ey", "proxy-cert-type", ARG_STRING},
261 {"Ez", "proxy-key", ARG_FILENAME},
262 {"E0", "proxy-key-type", ARG_STRING},
263 {"E1", "proxy-pass", ARG_STRING},
264 {"E2", "proxy-ciphers", ARG_STRING},
265 {"E3", "proxy-crlfile", ARG_FILENAME},
266 {"E4", "proxy-ssl-allow-beast", ARG_BOOL},
267 {"E5", "login-options", ARG_STRING},
268 {"E6", "proxy-cacert", ARG_FILENAME},
269 {"E7", "proxy-capath", ARG_FILENAME},
270 {"E8", "proxy-insecure", ARG_BOOL},
271 {"E9", "proxy-tlsv1", ARG_NONE},
272 {"EA", "socks5-basic", ARG_BOOL},
273 {"EB", "socks5-gssapi", ARG_BOOL},
274 {"EC", "etag-save", ARG_FILENAME},
275 {"ED", "etag-compare", ARG_FILENAME},
276 {"EE", "curves", ARG_STRING},
277 {"f", "fail", ARG_BOOL},
278 {"fa", "fail-early", ARG_BOOL},
279 {"fb", "styled-output", ARG_BOOL},
280 {"fc", "mail-rcpt-allowfails", ARG_BOOL},
281 {"F", "form", ARG_STRING},
282 {"Fs", "form-string", ARG_STRING},
283 {"g", "globoff", ARG_BOOL},
284 {"G", "get", ARG_NONE},
285 {"Ga", "request-target", ARG_STRING},
286 {"h", "help", ARG_BOOL},
287 {"H", "header", ARG_STRING},
288 {"Hp", "proxy-header", ARG_STRING},
289 {"i", "include", ARG_BOOL},
290 {"I", "head", ARG_BOOL},
291 {"j", "junk-session-cookies", ARG_BOOL},
292 {"J", "remote-header-name", ARG_BOOL},
293 {"k", "insecure", ARG_BOOL},
294 {"K", "config", ARG_FILENAME},
295 {"l", "list-only", ARG_BOOL},
296 {"L", "location", ARG_BOOL},
297 {"Lt", "location-trusted", ARG_BOOL},
298 {"m", "max-time", ARG_STRING},
299 {"M", "manual", ARG_BOOL},
300 {"n", "netrc", ARG_BOOL},
301 {"no", "netrc-optional", ARG_BOOL},
302 {"ne", "netrc-file", ARG_FILENAME},
303 {"N", "buffer", ARG_BOOL},
304 /* 'buffer' listed as --no-buffer in the help */
305 {"o", "output", ARG_FILENAME},
306 {"O", "remote-name", ARG_NONE},
307 {"Oa", "remote-name-all", ARG_BOOL},
308 {"Ob", "output-dir", ARG_STRING},
309 {"p", "proxytunnel", ARG_BOOL},
310 {"P", "ftp-port", ARG_STRING},
311 {"q", "disable", ARG_BOOL},
312 {"Q", "quote", ARG_STRING},
313 {"r", "range", ARG_STRING},
314 {"R", "remote-time", ARG_BOOL},
315 {"s", "silent", ARG_BOOL},
316 {"S", "show-error", ARG_BOOL},
317 {"t", "telnet-option", ARG_STRING},
318 {"T", "upload-file", ARG_FILENAME},
319 {"u", "user", ARG_STRING},
320 {"U", "proxy-user", ARG_STRING},
321 {"v", "verbose", ARG_BOOL},
322 {"V", "version", ARG_BOOL},
323 {"w", "write-out", ARG_STRING},
324 {"x", "proxy", ARG_STRING},
325 {"xa", "preproxy", ARG_STRING},
326 {"X", "request", ARG_STRING},
327 {"Y", "speed-limit", ARG_STRING},
328 {"y", "speed-time", ARG_STRING},
329 {"z", "time-cond", ARG_STRING},
330 {"Z", "parallel", ARG_BOOL},
331 {"Zb", "parallel-max", ARG_STRING},
332 {"Zc", "parallel-immediate", ARG_BOOL},
333 {"#", "progress-bar", ARG_BOOL},
334 {"#m", "progress-meter", ARG_BOOL},
335 {":", "next", ARG_NONE},
336 };
337
338 /* Split the argument of -E to 'certname' and 'passphrase' separated by colon.
339 * We allow ':' and '\' to be escaped by '\' so that we can use certificate
340 * nicknames containing ':'. See <https://sourceforge.net/p/curl/bugs/1196/>
341 * for details. */
342 #ifndef UNITTESTS
343 static
344 #endif
parse_cert_parameter(const char * cert_parameter,char ** certname,char ** passphrase)345 void parse_cert_parameter(const char *cert_parameter,
346 char **certname,
347 char **passphrase)
348 {
349 size_t param_length = strlen(cert_parameter);
350 size_t span;
351 const char *param_place = NULL;
352 char *certname_place = NULL;
353 *certname = NULL;
354 *passphrase = NULL;
355
356 /* most trivial assumption: cert_parameter is empty */
357 if(param_length == 0)
358 return;
359
360 /* next less trivial: cert_parameter starts 'pkcs11:' and thus
361 * looks like a RFC7512 PKCS#11 URI which can be used as-is.
362 * Also if cert_parameter contains no colon nor backslash, this
363 * means no passphrase was given and no characters escaped */
364 if(curl_strnequal(cert_parameter, "pkcs11:", 7) ||
365 !strpbrk(cert_parameter, ":\\")) {
366 *certname = strdup(cert_parameter);
367 return;
368 }
369 /* deal with escaped chars; find unescaped colon if it exists */
370 certname_place = malloc(param_length + 1);
371 if(!certname_place)
372 return;
373
374 *certname = certname_place;
375 param_place = cert_parameter;
376 while(*param_place) {
377 span = strcspn(param_place, ":\\");
378 strncpy(certname_place, param_place, span);
379 param_place += span;
380 certname_place += span;
381 /* we just ate all the non-special chars. now we're on either a special
382 * char or the end of the string. */
383 switch(*param_place) {
384 case '\0':
385 break;
386 case '\\':
387 param_place++;
388 switch(*param_place) {
389 case '\0':
390 *certname_place++ = '\\';
391 break;
392 case '\\':
393 *certname_place++ = '\\';
394 param_place++;
395 break;
396 case ':':
397 *certname_place++ = ':';
398 param_place++;
399 break;
400 default:
401 *certname_place++ = '\\';
402 *certname_place++ = *param_place;
403 param_place++;
404 break;
405 }
406 break;
407 case ':':
408 /* Since we live in a world of weirdness and confusion, the win32
409 dudes can use : when using drive letters and thus c:\file:password
410 needs to work. In order not to break compatibility, we still use : as
411 separator, but we try to detect when it is used for a file name! On
412 windows. */
413 #ifdef WIN32
414 if(param_place &&
415 (param_place == &cert_parameter[1]) &&
416 (cert_parameter[2] == '\\' || cert_parameter[2] == '/') &&
417 (ISALPHA(cert_parameter[0])) ) {
418 /* colon in the second column, followed by a backslash, and the
419 first character is an alphabetic letter:
420
421 this is a drive letter colon */
422 *certname_place++ = ':';
423 param_place++;
424 break;
425 }
426 #endif
427 /* escaped colons and Windows drive letter colons were handled
428 * above; if we're still here, this is a separating colon */
429 param_place++;
430 if(*param_place) {
431 *passphrase = strdup(param_place);
432 }
433 goto done;
434 }
435 }
436 done:
437 *certname_place = '\0';
438 }
439
440 static void
GetFileAndPassword(char * nextarg,char ** file,char ** password)441 GetFileAndPassword(char *nextarg, char **file, char **password)
442 {
443 char *certname, *passphrase;
444 parse_cert_parameter(nextarg, &certname, &passphrase);
445 Curl_safefree(*file);
446 *file = certname;
447 if(passphrase) {
448 Curl_safefree(*password);
449 *password = passphrase;
450 }
451 cleanarg(nextarg);
452 }
453
454 /* Get a size parameter for '--limit-rate' or '--max-filesize'.
455 * We support a 'G', 'M' or 'K' suffix too.
456 */
GetSizeParameter(struct GlobalConfig * global,const char * arg,const char * which,curl_off_t * value_out)457 static ParameterError GetSizeParameter(struct GlobalConfig *global,
458 const char *arg,
459 const char *which,
460 curl_off_t *value_out)
461 {
462 char *unit;
463 curl_off_t value;
464
465 if(curlx_strtoofft(arg, &unit, 0, &value)) {
466 warnf(global, "invalid number specified for %s\n", which);
467 return PARAM_BAD_USE;
468 }
469
470 if(!*unit)
471 unit = (char *)"b";
472 else if(strlen(unit) > 1)
473 unit = (char *)"w"; /* unsupported */
474
475 switch(*unit) {
476 case 'G':
477 case 'g':
478 if(value > (CURL_OFF_T_MAX / (1024*1024*1024)))
479 return PARAM_NUMBER_TOO_LARGE;
480 value *= 1024*1024*1024;
481 break;
482 case 'M':
483 case 'm':
484 if(value > (CURL_OFF_T_MAX / (1024*1024)))
485 return PARAM_NUMBER_TOO_LARGE;
486 value *= 1024*1024;
487 break;
488 case 'K':
489 case 'k':
490 if(value > (CURL_OFF_T_MAX / 1024))
491 return PARAM_NUMBER_TOO_LARGE;
492 value *= 1024;
493 break;
494 case 'b':
495 case 'B':
496 /* for plain bytes, leave as-is */
497 break;
498 default:
499 warnf(global, "unsupported %s unit. Use G, M, K or B!\n", which);
500 return PARAM_BAD_USE;
501 }
502 *value_out = value;
503 return PARAM_OK;
504 }
505
getparameter(const char * flag,char * nextarg,bool * usedarg,struct GlobalConfig * global,struct OperationConfig * config)506 ParameterError getparameter(const char *flag, /* f or -long-flag */
507 char *nextarg, /* NULL if unset */
508 bool *usedarg, /* set to TRUE if the arg
509 has been used */
510 struct GlobalConfig *global,
511 struct OperationConfig *config)
512 {
513 char letter;
514 char subletter = '\0'; /* subletters can only occur on long options */
515 int rc;
516 const char *parse = NULL;
517 unsigned int j;
518 time_t now;
519 int hit = -1;
520 bool longopt = FALSE;
521 bool singleopt = FALSE; /* when true means '-o foo' used '-ofoo' */
522 ParameterError err;
523 bool toggle = TRUE; /* how to switch boolean options, on or off. Controlled
524 by using --OPTION or --no-OPTION */
525
526 *usedarg = FALSE; /* default is that we don't use the arg */
527
528 if(('-' != flag[0]) || ('-' == flag[1])) {
529 /* this should be a long name */
530 const char *word = ('-' == flag[0]) ? flag + 2 : flag;
531 size_t fnam = strlen(word);
532 int numhits = 0;
533 bool noflagged = FALSE;
534
535 if(!strncmp(word, "no-", 3)) {
536 /* disable this option but ignore the "no-" part when looking for it */
537 word += 3;
538 toggle = FALSE;
539 noflagged = TRUE;
540 }
541
542 for(j = 0; j < sizeof(aliases)/sizeof(aliases[0]); j++) {
543 if(curl_strnequal(aliases[j].lname, word, fnam)) {
544 longopt = TRUE;
545 numhits++;
546 if(curl_strequal(aliases[j].lname, word)) {
547 parse = aliases[j].letter;
548 hit = j;
549 numhits = 1; /* a single unique hit */
550 break;
551 }
552 parse = aliases[j].letter;
553 hit = j;
554 }
555 }
556 if(numhits > 1) {
557 /* this is at least the second match! */
558 return PARAM_OPTION_AMBIGUOUS;
559 }
560 if(hit < 0) {
561 return PARAM_OPTION_UNKNOWN;
562 }
563 if(noflagged && (aliases[hit].desc != ARG_BOOL))
564 /* --no- prefixed an option that isn't boolean! */
565 return PARAM_NO_NOT_BOOLEAN;
566 }
567 else {
568 flag++; /* prefixed with one dash, pass it */
569 hit = -1;
570 parse = flag;
571 }
572
573 do {
574 /* we can loop here if we have multiple single-letters */
575
576 if(!longopt) {
577 letter = (char)*parse;
578 subletter = '\0';
579 }
580 else {
581 letter = parse[0];
582 subletter = parse[1];
583 }
584
585 if(hit < 0) {
586 for(j = 0; j < sizeof(aliases)/sizeof(aliases[0]); j++) {
587 if(letter == aliases[j].letter[0]) {
588 hit = j;
589 break;
590 }
591 }
592 if(hit < 0) {
593 return PARAM_OPTION_UNKNOWN;
594 }
595 }
596
597 if(aliases[hit].desc >= ARG_STRING) {
598 /* this option requires an extra parameter */
599 if(!longopt && parse[1]) {
600 nextarg = (char *)&parse[1]; /* this is the actual extra parameter */
601 singleopt = TRUE; /* don't loop anymore after this */
602 }
603 else if(!nextarg)
604 return PARAM_REQUIRES_PARAMETER;
605 else
606 *usedarg = TRUE; /* mark it as used */
607
608 if((aliases[hit].desc == ARG_FILENAME) &&
609 (nextarg[0] == '-') && nextarg[1]) {
610 /* if the file name looks like a command line option */
611 warnf(global, "The file name argument '%s' looks like a flag.\n",
612 nextarg);
613 }
614 }
615 else if((aliases[hit].desc == ARG_NONE) && !toggle)
616 return PARAM_NO_PREFIX;
617
618 switch(letter) {
619 case '*': /* options without a short option */
620 switch(subletter) {
621 case '4': /* --dns-ipv4-addr */
622 /* addr in dot notation */
623 GetStr(&config->dns_ipv4_addr, nextarg);
624 break;
625 case '6': /* --dns-ipv6-addr */
626 /* addr in dot notation */
627 GetStr(&config->dns_ipv6_addr, nextarg);
628 break;
629 case 'a': /* random-file */
630 GetStr(&config->random_file, nextarg);
631 break;
632 case 'b': /* egd-file */
633 GetStr(&config->egd_file, nextarg);
634 break;
635 case 'B': /* OAuth 2.0 bearer token */
636 GetStr(&config->oauth_bearer, nextarg);
637 config->authtype |= CURLAUTH_BEARER;
638 break;
639 case 'c': /* connect-timeout */
640 err = str2udouble(&config->connecttimeout, nextarg,
641 LONG_MAX/1000);
642 if(err)
643 return err;
644 break;
645 case 'C': /* doh-url */
646 GetStr(&config->doh_url, nextarg);
647 break;
648 case 'd': /* ciphers */
649 GetStr(&config->cipher_list, nextarg);
650 break;
651 case 'D': /* --dns-interface */
652 /* interface name */
653 GetStr(&config->dns_interface, nextarg);
654 break;
655 case 'e': /* --disable-epsv */
656 config->disable_epsv = toggle;
657 break;
658 case 'f': /* --disallow-username-in-url */
659 config->disallow_username_in_url = toggle;
660 break;
661 case 'E': /* --epsv */
662 config->disable_epsv = (!toggle)?TRUE:FALSE;
663 break;
664 case 'F': /* --dns-servers */
665 /* IP addrs of DNS servers */
666 GetStr(&config->dns_servers, nextarg);
667 break;
668 case 'g': /* --trace */
669 GetStr(&global->trace_dump, nextarg);
670 if(global->tracetype && (global->tracetype != TRACE_BIN))
671 warnf(global, "--trace overrides an earlier trace/verbose option\n");
672 global->tracetype = TRACE_BIN;
673 break;
674 case 'G': /* --npn */
675 config->nonpn = (!toggle)?TRUE:FALSE;
676 break;
677 case 'h': /* --trace-ascii */
678 GetStr(&global->trace_dump, nextarg);
679 if(global->tracetype && (global->tracetype != TRACE_ASCII))
680 warnf(global,
681 "--trace-ascii overrides an earlier trace/verbose option\n");
682 global->tracetype = TRACE_ASCII;
683 break;
684 case 'H': /* --alpn */
685 config->noalpn = (!toggle)?TRUE:FALSE;
686 break;
687 case 'i': /* --limit-rate */
688 {
689 curl_off_t value;
690 ParameterError pe = GetSizeParameter(global, nextarg, "rate", &value);
691
692 if(pe != PARAM_OK)
693 return pe;
694 config->recvpersecond = value;
695 config->sendpersecond = value;
696 }
697 break;
698
699 case 'j': /* --compressed */
700 if(toggle &&
701 !(curlinfo->features & (CURL_VERSION_LIBZ |
702 CURL_VERSION_BROTLI | CURL_VERSION_ZSTD)))
703 return PARAM_LIBCURL_DOESNT_SUPPORT;
704 config->encoding = toggle;
705 break;
706
707 case 'J': /* --tr-encoding */
708 config->tr_encoding = toggle;
709 break;
710
711 case 'k': /* --digest */
712 if(toggle)
713 config->authtype |= CURLAUTH_DIGEST;
714 else
715 config->authtype &= ~CURLAUTH_DIGEST;
716 break;
717
718 case 'l': /* --negotiate */
719 if(toggle) {
720 if(curlinfo->features & CURL_VERSION_SPNEGO)
721 config->authtype |= CURLAUTH_NEGOTIATE;
722 else
723 return PARAM_LIBCURL_DOESNT_SUPPORT;
724 }
725 else
726 config->authtype &= ~CURLAUTH_NEGOTIATE;
727 break;
728
729 case 'm': /* --ntlm */
730 if(toggle) {
731 if(curlinfo->features & CURL_VERSION_NTLM)
732 config->authtype |= CURLAUTH_NTLM;
733 else
734 return PARAM_LIBCURL_DOESNT_SUPPORT;
735 }
736 else
737 config->authtype &= ~CURLAUTH_NTLM;
738 break;
739
740 case 'M': /* --ntlm-wb */
741 if(toggle) {
742 if(curlinfo->features & CURL_VERSION_NTLM_WB)
743 config->authtype |= CURLAUTH_NTLM_WB;
744 else
745 return PARAM_LIBCURL_DOESNT_SUPPORT;
746 }
747 else
748 config->authtype &= ~CURLAUTH_NTLM_WB;
749 break;
750
751 case 'n': /* --basic for completeness */
752 if(toggle)
753 config->authtype |= CURLAUTH_BASIC;
754 else
755 config->authtype &= ~CURLAUTH_BASIC;
756 break;
757
758 case 'o': /* --anyauth, let libcurl pick it */
759 if(toggle)
760 config->authtype = CURLAUTH_ANY;
761 /* --no-anyauth simply doesn't touch it */
762 break;
763
764 #ifdef USE_WATT32
765 case 'p': /* --wdebug */
766 dbug_init();
767 break;
768 #endif
769 case 'q': /* --ftp-create-dirs */
770 config->ftp_create_dirs = toggle;
771 break;
772
773 case 'r': /* --create-dirs */
774 config->create_dirs = toggle;
775 break;
776
777 case 's': /* --max-redirs */
778 /* specified max no of redirects (http(s)), this accepts -1 as a
779 special condition */
780 err = str2num(&config->maxredirs, nextarg);
781 if(err)
782 return err;
783 if(config->maxredirs < -1)
784 return PARAM_BAD_NUMERIC;
785 break;
786
787 case 't': /* --proxy-ntlm */
788 if(curlinfo->features & CURL_VERSION_NTLM)
789 config->proxyntlm = toggle;
790 else
791 return PARAM_LIBCURL_DOESNT_SUPPORT;
792 break;
793
794 case 'u': /* --crlf */
795 /* LF -> CRLF conversion? */
796 config->crlf = toggle;
797 break;
798
799 case 'v': /* --stderr */
800 if(strcmp(nextarg, "-")) {
801 FILE *newfile = fopen(nextarg, FOPEN_WRITETEXT);
802 if(!newfile)
803 warnf(global, "Failed to open %s!\n", nextarg);
804 else {
805 if(global->errors_fopened)
806 fclose(global->errors);
807 global->errors = newfile;
808 global->errors_fopened = TRUE;
809 }
810 }
811 else
812 global->errors = stdout;
813 break;
814 case 'w': /* --interface */
815 /* interface */
816 GetStr(&config->iface, nextarg);
817 break;
818 case 'x': /* --krb */
819 /* kerberos level string */
820 if(curlinfo->features & CURL_VERSION_SPNEGO)
821 GetStr(&config->krblevel, nextarg);
822 else
823 return PARAM_LIBCURL_DOESNT_SUPPORT;
824 break;
825 case 'X': /* --haproxy-protocol */
826 config->haproxy_protocol = toggle;
827 break;
828 case 'y': /* --max-filesize */
829 {
830 curl_off_t value;
831 ParameterError pe =
832 GetSizeParameter(global, nextarg, "max-filesize", &value);
833
834 if(pe != PARAM_OK)
835 return pe;
836 config->max_filesize = value;
837 }
838 break;
839 case 'z': /* --disable-eprt */
840 config->disable_eprt = toggle;
841 break;
842 case 'Z': /* --eprt */
843 config->disable_eprt = (!toggle)?TRUE:FALSE;
844 break;
845 case '~': /* --xattr */
846 config->xattr = toggle;
847 break;
848 case '@': /* the URL! */
849 {
850 struct getout *url;
851
852 if(!config->url_get)
853 config->url_get = config->url_list;
854
855 if(config->url_get) {
856 /* there's a node here, if it already is filled-in continue to find
857 an "empty" node */
858 while(config->url_get && (config->url_get->flags & GETOUT_URL))
859 config->url_get = config->url_get->next;
860 }
861
862 /* now there might or might not be an available node to fill in! */
863
864 if(config->url_get)
865 /* existing node */
866 url = config->url_get;
867 else
868 /* there was no free node, create one! */
869 config->url_get = url = new_getout(config);
870
871 if(!url)
872 return PARAM_NO_MEM;
873
874 /* fill in the URL */
875 GetStr(&url->url, nextarg);
876 url->flags |= GETOUT_URL;
877 }
878 }
879 break;
880 case '$': /* more options without a short option */
881 switch(subletter) {
882 case 'a': /* --ssl */
883 if(toggle && !(curlinfo->features & CURL_VERSION_SSL))
884 return PARAM_LIBCURL_DOESNT_SUPPORT;
885 config->ftp_ssl = toggle;
886 break;
887 case 'b': /* --ftp-pasv */
888 Curl_safefree(config->ftpport);
889 break;
890 case 'c': /* --socks5 specifies a socks5 proxy to use, and resolves
891 the name locally and passes on the resolved address */
892 GetStr(&config->proxy, nextarg);
893 config->proxyver = CURLPROXY_SOCKS5;
894 break;
895 case 't': /* --socks4 specifies a socks4 proxy to use */
896 GetStr(&config->proxy, nextarg);
897 config->proxyver = CURLPROXY_SOCKS4;
898 break;
899 case 'T': /* --socks4a specifies a socks4a proxy to use */
900 GetStr(&config->proxy, nextarg);
901 config->proxyver = CURLPROXY_SOCKS4A;
902 break;
903 case '2': /* --socks5-hostname specifies a socks5 proxy and enables name
904 resolving with the proxy */
905 GetStr(&config->proxy, nextarg);
906 config->proxyver = CURLPROXY_SOCKS5_HOSTNAME;
907 break;
908 case 'd': /* --tcp-nodelay option */
909 config->tcp_nodelay = toggle;
910 break;
911 case 'e': /* --proxy-digest */
912 config->proxydigest = toggle;
913 break;
914 case 'f': /* --proxy-basic */
915 config->proxybasic = toggle;
916 break;
917 case 'g': /* --retry */
918 err = str2unum(&config->req_retry, nextarg);
919 if(err)
920 return err;
921 break;
922 case 'V': /* --retry-connrefused */
923 config->retry_connrefused = toggle;
924 break;
925 case 'h': /* --retry-delay */
926 err = str2unummax(&config->retry_delay, nextarg, LONG_MAX/1000);
927 if(err)
928 return err;
929 break;
930 case 'i': /* --retry-max-time */
931 err = str2unummax(&config->retry_maxtime, nextarg, LONG_MAX/1000);
932 if(err)
933 return err;
934 break;
935 case '!': /* --retry-all-errors */
936 config->retry_all_errors = toggle;
937 break;
938
939 case 'k': /* --proxy-negotiate */
940 if(curlinfo->features & CURL_VERSION_SPNEGO)
941 config->proxynegotiate = toggle;
942 else
943 return PARAM_LIBCURL_DOESNT_SUPPORT;
944 break;
945
946 case 'm': /* --ftp-account */
947 GetStr(&config->ftp_account, nextarg);
948 break;
949 case 'n': /* --proxy-anyauth */
950 config->proxyanyauth = toggle;
951 break;
952 case 'o': /* --trace-time */
953 global->tracetime = toggle;
954 break;
955 case 'p': /* --ignore-content-length */
956 config->ignorecl = toggle;
957 break;
958 case 'q': /* --ftp-skip-pasv-ip */
959 config->ftp_skip_ip = toggle;
960 break;
961 case 'r': /* --ftp-method (undocumented at this point) */
962 config->ftp_filemethod = ftpfilemethod(config, nextarg);
963 break;
964 case 's': { /* --local-port */
965 char lrange[7]; /* 16bit base 10 is 5 digits, but we allow 6 so that
966 this catches overflows, not just truncates */
967 char *p = nextarg;
968 while(ISDIGIT(*p))
969 p++;
970 if(*p) {
971 /* if there's anything more than a plain decimal number */
972 rc = sscanf(p, " - %6s", lrange);
973 *p = 0; /* null-terminate to make str2unum() work below */
974 }
975 else
976 rc = 0;
977
978 err = str2unum(&config->localport, nextarg);
979 if(err || (config->localport > 65535))
980 return PARAM_BAD_USE;
981 if(!rc)
982 config->localportrange = 1; /* default number of ports to try */
983 else {
984 err = str2unum(&config->localportrange, lrange);
985 if(err || (config->localportrange > 65535))
986 return PARAM_BAD_USE;
987 config->localportrange -= (config->localport-1);
988 if(config->localportrange < 1)
989 return PARAM_BAD_USE;
990 }
991 break;
992 }
993 case 'u': /* --ftp-alternative-to-user */
994 GetStr(&config->ftp_alternative_to_user, nextarg);
995 break;
996 case 'v': /* --ssl-reqd */
997 if(toggle && !(curlinfo->features & CURL_VERSION_SSL))
998 return PARAM_LIBCURL_DOESNT_SUPPORT;
999 config->ftp_ssl_reqd = toggle;
1000 break;
1001 case 'w': /* --no-sessionid */
1002 config->disable_sessionid = (!toggle)?TRUE:FALSE;
1003 break;
1004 case 'x': /* --ftp-ssl-control */
1005 if(toggle && !(curlinfo->features & CURL_VERSION_SSL))
1006 return PARAM_LIBCURL_DOESNT_SUPPORT;
1007 config->ftp_ssl_control = toggle;
1008 break;
1009 case 'y': /* --ftp-ssl-ccc */
1010 config->ftp_ssl_ccc = toggle;
1011 if(!config->ftp_ssl_ccc_mode)
1012 config->ftp_ssl_ccc_mode = CURLFTPSSL_CCC_PASSIVE;
1013 break;
1014 case 'j': /* --ftp-ssl-ccc-mode */
1015 config->ftp_ssl_ccc = TRUE;
1016 config->ftp_ssl_ccc_mode = ftpcccmethod(config, nextarg);
1017 break;
1018 case 'z': /* --libcurl */
1019 #ifdef CURL_DISABLE_LIBCURL_OPTION
1020 warnf(global,
1021 "--libcurl option was disabled at build-time!\n");
1022 return PARAM_OPTION_UNKNOWN;
1023 #else
1024 GetStr(&global->libcurl, nextarg);
1025 break;
1026 #endif
1027 case '#': /* --raw */
1028 config->raw = toggle;
1029 break;
1030 case '0': /* --post301 */
1031 config->post301 = toggle;
1032 break;
1033 case '1': /* --no-keepalive */
1034 config->nokeepalive = (!toggle)?TRUE:FALSE;
1035 break;
1036 case '3': /* --keepalive-time */
1037 err = str2unum(&config->alivetime, nextarg);
1038 if(err)
1039 return err;
1040 break;
1041 case '4': /* --post302 */
1042 config->post302 = toggle;
1043 break;
1044 case 'I': /* --post303 */
1045 config->post303 = toggle;
1046 break;
1047 case '5': /* --noproxy */
1048 /* This specifies the noproxy list */
1049 GetStr(&config->noproxy, nextarg);
1050 break;
1051 case '7': /* --socks5-gssapi-nec*/
1052 config->socks5_gssapi_nec = toggle;
1053 break;
1054 case '8': /* --proxy1.0 */
1055 /* http 1.0 proxy */
1056 GetStr(&config->proxy, nextarg);
1057 config->proxyver = CURLPROXY_HTTP_1_0;
1058 break;
1059 case '9': /* --tftp-blksize */
1060 err = str2unum(&config->tftp_blksize, nextarg);
1061 if(err)
1062 return err;
1063 break;
1064 case 'A': /* --mail-from */
1065 GetStr(&config->mail_from, nextarg);
1066 break;
1067 case 'B': /* --mail-rcpt */
1068 /* append receiver to a list */
1069 err = add2list(&config->mail_rcpt, nextarg);
1070 if(err)
1071 return err;
1072 break;
1073 case 'C': /* --ftp-pret */
1074 config->ftp_pret = toggle;
1075 break;
1076 case 'D': /* --proto */
1077 config->proto_present = TRUE;
1078 if(proto2num(config, &config->proto, nextarg))
1079 return PARAM_BAD_USE;
1080 break;
1081 case 'E': /* --proto-redir */
1082 config->proto_redir_present = TRUE;
1083 if(proto2num(config, &config->proto_redir, nextarg))
1084 return PARAM_BAD_USE;
1085 break;
1086 case 'F': /* --resolve */
1087 err = add2list(&config->resolve, nextarg);
1088 if(err)
1089 return err;
1090 break;
1091 case 'G': /* --delegation LEVEL */
1092 config->gssapi_delegation = delegation(config, nextarg);
1093 break;
1094 case 'H': /* --mail-auth */
1095 GetStr(&config->mail_auth, nextarg);
1096 break;
1097 case 'J': /* --metalink */
1098 {
1099 #ifdef USE_METALINK
1100 int mlmaj, mlmin, mlpatch;
1101 metalink_get_version(&mlmaj, &mlmin, &mlpatch);
1102 if((mlmaj*10000)+(mlmin*100) + mlpatch < CURL_REQ_LIBMETALINK_VERS) {
1103 warnf(global,
1104 "--metalink option cannot be used because the version of "
1105 "the linked libmetalink library is too old. "
1106 "Required: %d.%d.%d, found %d.%d.%d\n",
1107 CURL_REQ_LIBMETALINK_MAJOR,
1108 CURL_REQ_LIBMETALINK_MINOR,
1109 CURL_REQ_LIBMETALINK_PATCH,
1110 mlmaj, mlmin, mlpatch);
1111 return PARAM_BAD_USE;
1112 }
1113 else
1114 config->use_metalink = toggle;
1115 #else
1116 warnf(global, "--metalink option is ignored because the binary is "
1117 "built without the Metalink support.\n");
1118 #endif
1119 break;
1120 }
1121 case '6': /* --sasl-authzid */
1122 GetStr(&config->sasl_authzid, nextarg);
1123 break;
1124 case 'K': /* --sasl-ir */
1125 config->sasl_ir = toggle;
1126 break;
1127 case 'L': /* --test-event */
1128 #ifdef CURLDEBUG
1129 global->test_event_based = toggle;
1130 #else
1131 warnf(global, "--test-event is ignored unless a debug build!\n");
1132 #endif
1133 break;
1134 case 'M': /* --unix-socket */
1135 config->abstract_unix_socket = FALSE;
1136 GetStr(&config->unix_socket_path, nextarg);
1137 break;
1138 case 'N': /* --path-as-is */
1139 config->path_as_is = toggle;
1140 break;
1141 case 'O': /* --proxy-service-name */
1142 GetStr(&config->proxy_service_name, nextarg);
1143 break;
1144 case 'P': /* --service-name */
1145 GetStr(&config->service_name, nextarg);
1146 break;
1147 case 'Q': /* --proto-default */
1148 GetStr(&config->proto_default, nextarg);
1149 err = check_protocol(config->proto_default);
1150 if(err)
1151 return err;
1152 break;
1153 case 'R': /* --expect100-timeout */
1154 err = str2udouble(&config->expect100timeout, nextarg, LONG_MAX/1000);
1155 if(err)
1156 return err;
1157 break;
1158 case 'S': /* --tftp-no-options */
1159 config->tftp_no_options = toggle;
1160 break;
1161 case 'U': /* --connect-to */
1162 err = add2list(&config->connect_to, nextarg);
1163 if(err)
1164 return err;
1165 break;
1166 case 'W': /* --abstract-unix-socket */
1167 config->abstract_unix_socket = TRUE;
1168 GetStr(&config->unix_socket_path, nextarg);
1169 break;
1170 case 'X': /* --tls-max */
1171 err = str2tls_max(&config->ssl_version_max, nextarg);
1172 if(err)
1173 return err;
1174 break;
1175 case 'Y': /* --suppress-connect-headers */
1176 config->suppress_connect_headers = toggle;
1177 break;
1178 case 'Z': /* --compressed-ssh */
1179 config->ssh_compression = toggle;
1180 break;
1181 case '~': /* --happy-eyeballs-timeout-ms */
1182 err = str2unum(&config->happy_eyeballs_timeout_ms, nextarg);
1183 if(err)
1184 return err;
1185 /* 0 is a valid value for this timeout */
1186 break;
1187 }
1188 break;
1189 case '#':
1190 switch(subletter) {
1191 case 'm': /* --progress-meter */
1192 global->noprogress = !toggle;
1193 break;
1194 default: /* --progress-bar */
1195 global->progressmode =
1196 toggle ? CURL_PROGRESS_BAR : CURL_PROGRESS_STATS;
1197 break;
1198 }
1199 break;
1200 case ':': /* --next */
1201 return PARAM_NEXT_OPERATION;
1202 case '0': /* --http* options */
1203 switch(subletter) {
1204 case '\0':
1205 /* HTTP version 1.0 */
1206 config->httpversion = CURL_HTTP_VERSION_1_0;
1207 break;
1208 case '1':
1209 /* HTTP version 1.1 */
1210 config->httpversion = CURL_HTTP_VERSION_1_1;
1211 break;
1212 case '2':
1213 /* HTTP version 2.0 */
1214 config->httpversion = CURL_HTTP_VERSION_2_0;
1215 break;
1216 case '3': /* --http2-prior-knowledge */
1217 /* HTTP version 2.0 over clean TCP*/
1218 config->httpversion = CURL_HTTP_VERSION_2_PRIOR_KNOWLEDGE;
1219 break;
1220 case '4': /* --http3 */
1221 /* HTTP version 3 go over QUIC - at once */
1222 if(curlinfo->features & CURL_VERSION_HTTP3)
1223 config->httpversion = CURL_HTTP_VERSION_3;
1224 else
1225 return PARAM_LIBCURL_DOESNT_SUPPORT;
1226 break;
1227 case '9':
1228 /* Allow HTTP/0.9 responses! */
1229 config->http09_allowed = toggle;
1230 break;
1231 }
1232 break;
1233 case '1': /* --tlsv1* options */
1234 switch(subletter) {
1235 case '\0':
1236 /* TLS version 1.x */
1237 config->ssl_version = CURL_SSLVERSION_TLSv1;
1238 break;
1239 case '0':
1240 /* TLS version 1.0 */
1241 config->ssl_version = CURL_SSLVERSION_TLSv1_0;
1242 break;
1243 case '1':
1244 /* TLS version 1.1 */
1245 config->ssl_version = CURL_SSLVERSION_TLSv1_1;
1246 break;
1247 case '2':
1248 /* TLS version 1.2 */
1249 config->ssl_version = CURL_SSLVERSION_TLSv1_2;
1250 break;
1251 case '3':
1252 /* TLS version 1.3 */
1253 config->ssl_version = CURL_SSLVERSION_TLSv1_3;
1254 break;
1255 case 'A': /* --tls13-ciphers */
1256 GetStr(&config->cipher13_list, nextarg);
1257 break;
1258 case 'B': /* --proxy-tls13-ciphers */
1259 GetStr(&config->proxy_cipher13_list, nextarg);
1260 break;
1261 }
1262 break;
1263 case '2':
1264 /* SSL version 2 */
1265 config->ssl_version = CURL_SSLVERSION_SSLv2;
1266 break;
1267 case '3':
1268 /* SSL version 3 */
1269 config->ssl_version = CURL_SSLVERSION_SSLv3;
1270 break;
1271 case '4':
1272 /* IPv4 */
1273 config->ip_version = CURL_IPRESOLVE_V4;
1274 break;
1275 case '6':
1276 /* IPv6 */
1277 config->ip_version = CURL_IPRESOLVE_V6;
1278 break;
1279 case 'a':
1280 /* This makes the FTP sessions use APPE instead of STOR */
1281 config->ftp_append = toggle;
1282 break;
1283 case 'A':
1284 /* This specifies the User-Agent name */
1285 GetStr(&config->useragent, nextarg);
1286 break;
1287 case 'b':
1288 switch(subletter) {
1289 case 'a': /* --alt-svc */
1290 if(curlinfo->features & CURL_VERSION_ALTSVC)
1291 GetStr(&config->altsvc, nextarg);
1292 else
1293 return PARAM_LIBCURL_DOESNT_SUPPORT;
1294 break;
1295 case 'b': /* --hsts */
1296 if(curlinfo->features & CURL_VERSION_HSTS)
1297 GetStr(&config->hsts, nextarg);
1298 else
1299 return PARAM_LIBCURL_DOESNT_SUPPORT;
1300 break;
1301 default: /* --cookie string coming up: */
1302 if(nextarg[0] == '@') {
1303 nextarg++;
1304 }
1305 else if(strchr(nextarg, '=')) {
1306 /* A cookie string must have a =-letter */
1307 GetStr(&config->cookie, nextarg);
1308 break;
1309 }
1310 /* We have a cookie file to read from! */
1311 GetStr(&config->cookiefile, nextarg);
1312 }
1313 break;
1314 case 'B':
1315 /* use ASCII/text when transferring */
1316 config->use_ascii = toggle;
1317 break;
1318 case 'c':
1319 /* get the file name to dump all cookies in */
1320 GetStr(&config->cookiejar, nextarg);
1321 break;
1322 case 'C':
1323 /* This makes us continue an ftp transfer at given position */
1324 if(strcmp(nextarg, "-")) {
1325 err = str2offset(&config->resume_from, nextarg);
1326 if(err)
1327 return err;
1328 config->resume_from_current = FALSE;
1329 }
1330 else {
1331 config->resume_from_current = TRUE;
1332 config->resume_from = 0;
1333 }
1334 config->use_resume = TRUE;
1335 break;
1336 case 'd':
1337 /* postfield data */
1338 {
1339 char *postdata = NULL;
1340 FILE *file;
1341 size_t size = 0;
1342 bool raw_mode = (subletter == 'r');
1343
1344 if(subletter == 'e') { /* --data-urlencode*/
1345 /* [name]=[content], we encode the content part only
1346 * [name]@[file name]
1347 *
1348 * Case 2: we first load the file using that name and then encode
1349 * the content.
1350 */
1351 const char *p = strchr(nextarg, '=');
1352 size_t nlen;
1353 char is_file;
1354 if(!p)
1355 /* there was no '=' letter, check for a '@' instead */
1356 p = strchr(nextarg, '@');
1357 if(p) {
1358 nlen = p - nextarg; /* length of the name part */
1359 is_file = *p++; /* pass the separator */
1360 }
1361 else {
1362 /* neither @ nor =, so no name and it isn't a file */
1363 nlen = is_file = 0;
1364 p = nextarg;
1365 }
1366 if('@' == is_file) {
1367 /* a '@' letter, it means that a file name or - (stdin) follows */
1368 if(!strcmp("-", p)) {
1369 file = stdin;
1370 set_binmode(stdin);
1371 }
1372 else {
1373 file = fopen(p, "rb");
1374 if(!file)
1375 warnf(global,
1376 "Couldn't read data from file \"%s\", this makes "
1377 "an empty POST.\n", nextarg);
1378 }
1379
1380 err = file2memory(&postdata, &size, file);
1381
1382 if(file && (file != stdin))
1383 fclose(file);
1384 if(err)
1385 return err;
1386 }
1387 else {
1388 GetStr(&postdata, p);
1389 if(postdata)
1390 size = strlen(postdata);
1391 }
1392
1393 if(!postdata) {
1394 /* no data from the file, point to a zero byte string to make this
1395 get sent as a POST anyway */
1396 postdata = strdup("");
1397 if(!postdata)
1398 return PARAM_NO_MEM;
1399 size = 0;
1400 }
1401 else {
1402 char *enc = curl_easy_escape(NULL, postdata, (int)size);
1403 Curl_safefree(postdata); /* no matter if it worked or not */
1404 if(enc) {
1405 /* now make a string with the name from above and append the
1406 encoded string */
1407 size_t outlen = nlen + strlen(enc) + 2;
1408 char *n = malloc(outlen);
1409 if(!n) {
1410 curl_free(enc);
1411 return PARAM_NO_MEM;
1412 }
1413 if(nlen > 0) { /* only append '=' if we have a name */
1414 msnprintf(n, outlen, "%.*s=%s", nlen, nextarg, enc);
1415 size = outlen-1;
1416 }
1417 else {
1418 strcpy(n, enc);
1419 size = outlen-2; /* since no '=' was inserted */
1420 }
1421 curl_free(enc);
1422 postdata = n;
1423 }
1424 else
1425 return PARAM_NO_MEM;
1426 }
1427 }
1428 else if('@' == *nextarg && !raw_mode) {
1429 /* the data begins with a '@' letter, it means that a file name
1430 or - (stdin) follows */
1431 nextarg++; /* pass the @ */
1432
1433 if(!strcmp("-", nextarg)) {
1434 file = stdin;
1435 if(subletter == 'b') /* forced data-binary */
1436 set_binmode(stdin);
1437 }
1438 else {
1439 file = fopen(nextarg, "rb");
1440 if(!file)
1441 warnf(global, "Couldn't read data from file \"%s\", this makes "
1442 "an empty POST.\n", nextarg);
1443 }
1444
1445 if(subletter == 'b')
1446 /* forced binary */
1447 err = file2memory(&postdata, &size, file);
1448 else {
1449 err = file2string(&postdata, file);
1450 if(postdata)
1451 size = strlen(postdata);
1452 }
1453
1454 if(file && (file != stdin))
1455 fclose(file);
1456 if(err)
1457 return err;
1458
1459 if(!postdata) {
1460 /* no data from the file, point to a zero byte string to make this
1461 get sent as a POST anyway */
1462 postdata = strdup("");
1463 if(!postdata)
1464 return PARAM_NO_MEM;
1465 }
1466 }
1467 else {
1468 GetStr(&postdata, nextarg);
1469 if(postdata)
1470 size = strlen(postdata);
1471 }
1472
1473 #ifdef CURL_DOES_CONVERSIONS
1474 if(subletter != 'b') {
1475 /* NOT forced binary, convert to ASCII */
1476 if(convert_to_network(postdata, strlen(postdata))) {
1477 Curl_safefree(postdata);
1478 return PARAM_NO_MEM;
1479 }
1480 }
1481 #endif
1482
1483 if(config->postfields) {
1484 /* we already have a string, we append this one with a separating
1485 &-letter */
1486 char *oldpost = config->postfields;
1487 curl_off_t oldlen = config->postfieldsize;
1488 curl_off_t newlen = oldlen + curlx_uztoso(size) + 2;
1489 config->postfields = malloc((size_t)newlen);
1490 if(!config->postfields) {
1491 Curl_safefree(oldpost);
1492 Curl_safefree(postdata);
1493 return PARAM_NO_MEM;
1494 }
1495 memcpy(config->postfields, oldpost, (size_t)oldlen);
1496 /* use byte value 0x26 for '&' to accommodate non-ASCII platforms */
1497 config->postfields[oldlen] = '\x26';
1498 memcpy(&config->postfields[oldlen + 1], postdata, size);
1499 config->postfields[oldlen + 1 + size] = '\0';
1500 Curl_safefree(oldpost);
1501 Curl_safefree(postdata);
1502 config->postfieldsize += size + 1;
1503 }
1504 else {
1505 config->postfields = postdata;
1506 config->postfieldsize = curlx_uztoso(size);
1507 }
1508 }
1509 /*
1510 We can't set the request type here, as this data might be used in
1511 a simple GET if -G is used. Already or soon.
1512
1513 if(SetHTTPrequest(HTTPREQ_SIMPLEPOST, &config->httpreq)) {
1514 Curl_safefree(postdata);
1515 return PARAM_BAD_USE;
1516 }
1517 */
1518 break;
1519 case 'D':
1520 /* dump-header to given file name */
1521 GetStr(&config->headerfile, nextarg);
1522 break;
1523 case 'e':
1524 {
1525 char *ptr = strstr(nextarg, ";auto");
1526 if(ptr) {
1527 /* Automatic referer requested, this may be combined with a
1528 set initial one */
1529 config->autoreferer = TRUE;
1530 *ptr = 0; /* null-terminate here */
1531 }
1532 else
1533 config->autoreferer = FALSE;
1534 GetStr(&config->referer, nextarg);
1535 }
1536 break;
1537 case 'E':
1538 switch(subletter) {
1539 case '\0': /* certificate file */
1540 GetFileAndPassword(nextarg, &config->cert, &config->key_passwd);
1541 break;
1542 case 'a': /* CA info PEM file */
1543 GetStr(&config->cacert, nextarg);
1544 break;
1545 case 'b': /* cert file type */
1546 GetStr(&config->cert_type, nextarg);
1547 break;
1548 case 'c': /* private key file */
1549 GetStr(&config->key, nextarg);
1550 break;
1551 case 'd': /* private key file type */
1552 GetStr(&config->key_type, nextarg);
1553 break;
1554 case 'e': /* private key passphrase */
1555 GetStr(&config->key_passwd, nextarg);
1556 cleanarg(nextarg);
1557 break;
1558 case 'f': /* crypto engine */
1559 GetStr(&config->engine, nextarg);
1560 if(config->engine && curl_strequal(config->engine, "list"))
1561 return PARAM_ENGINES_REQUESTED;
1562 break;
1563 case 'g': /* CA cert directory */
1564 GetStr(&config->capath, nextarg);
1565 break;
1566 case 'h': /* --pubkey public key file */
1567 GetStr(&config->pubkey, nextarg);
1568 break;
1569 case 'i': /* --hostpubmd5 md5 of the host public key */
1570 GetStr(&config->hostpubmd5, nextarg);
1571 if(!config->hostpubmd5 || strlen(config->hostpubmd5) != 32)
1572 return PARAM_BAD_USE;
1573 break;
1574 case 'j': /* CRL file */
1575 GetStr(&config->crlfile, nextarg);
1576 break;
1577 case 'k': /* TLS username */
1578 if(curlinfo->features & CURL_VERSION_TLSAUTH_SRP)
1579 GetStr(&config->tls_username, nextarg);
1580 else
1581 return PARAM_LIBCURL_DOESNT_SUPPORT;
1582 break;
1583 case 'l': /* TLS password */
1584 if(curlinfo->features & CURL_VERSION_TLSAUTH_SRP)
1585 GetStr(&config->tls_password, nextarg);
1586 else
1587 return PARAM_LIBCURL_DOESNT_SUPPORT;
1588 break;
1589 case 'm': /* TLS authentication type */
1590 if(curlinfo->features & CURL_VERSION_TLSAUTH_SRP) {
1591 GetStr(&config->tls_authtype, nextarg);
1592 if(!curl_strequal(config->tls_authtype, "SRP"))
1593 return PARAM_LIBCURL_DOESNT_SUPPORT; /* only support TLS-SRP */
1594 }
1595 else
1596 return PARAM_LIBCURL_DOESNT_SUPPORT;
1597 break;
1598 case 'n': /* no empty SSL fragments, --ssl-allow-beast */
1599 if(curlinfo->features & CURL_VERSION_SSL)
1600 config->ssl_allow_beast = toggle;
1601 break;
1602
1603 case 'p': /* Pinned public key DER file */
1604 GetStr(&config->pinnedpubkey, nextarg);
1605 break;
1606
1607 case 'P': /* proxy pinned public key */
1608 GetStr(&config->proxy_pinnedpubkey, nextarg);
1609 break;
1610
1611 case 'q': /* --cert-status */
1612 config->verifystatus = TRUE;
1613 break;
1614
1615 case 'r': /* --false-start */
1616 config->falsestart = TRUE;
1617 break;
1618
1619 case 's': /* --ssl-no-revoke */
1620 if(curlinfo->features & CURL_VERSION_SSL)
1621 config->ssl_no_revoke = TRUE;
1622 break;
1623
1624 case 'S': /* --ssl-revoke-best-effort */
1625 if(curlinfo->features & CURL_VERSION_SSL)
1626 config->ssl_revoke_best_effort = TRUE;
1627 break;
1628
1629 case 't': /* --tcp-fastopen */
1630 config->tcp_fastopen = TRUE;
1631 break;
1632
1633 case 'u': /* TLS username for proxy */
1634 if(curlinfo->features & CURL_VERSION_TLSAUTH_SRP)
1635 GetStr(&config->proxy_tls_username, nextarg);
1636 else
1637 return PARAM_LIBCURL_DOESNT_SUPPORT;
1638 break;
1639
1640 case 'v': /* TLS password for proxy */
1641 if(curlinfo->features & CURL_VERSION_TLSAUTH_SRP)
1642 GetStr(&config->proxy_tls_password, nextarg);
1643 else
1644 return PARAM_LIBCURL_DOESNT_SUPPORT;
1645 break;
1646
1647 case 'w': /* TLS authentication type for proxy */
1648 if(curlinfo->features & CURL_VERSION_TLSAUTH_SRP) {
1649 GetStr(&config->proxy_tls_authtype, nextarg);
1650 if(!curl_strequal(config->proxy_tls_authtype, "SRP"))
1651 return PARAM_LIBCURL_DOESNT_SUPPORT; /* only support TLS-SRP */
1652 }
1653 else
1654 return PARAM_LIBCURL_DOESNT_SUPPORT;
1655 break;
1656
1657 case 'x': /* certificate file for proxy */
1658 GetFileAndPassword(nextarg, &config->proxy_cert,
1659 &config->proxy_key_passwd);
1660 break;
1661
1662 case 'y': /* cert file type for proxy */
1663 GetStr(&config->proxy_cert_type, nextarg);
1664 break;
1665
1666 case 'z': /* private key file for proxy */
1667 GetStr(&config->proxy_key, nextarg);
1668 break;
1669
1670 case '0': /* private key file type for proxy */
1671 GetStr(&config->proxy_key_type, nextarg);
1672 break;
1673
1674 case '1': /* private key passphrase for proxy */
1675 GetStr(&config->proxy_key_passwd, nextarg);
1676 cleanarg(nextarg);
1677 break;
1678
1679 case '2': /* ciphers for proxy */
1680 GetStr(&config->proxy_cipher_list, nextarg);
1681 break;
1682
1683 case '3': /* CRL file for proxy */
1684 GetStr(&config->proxy_crlfile, nextarg);
1685 break;
1686
1687 case '4': /* no empty SSL fragments for proxy */
1688 if(curlinfo->features & CURL_VERSION_SSL)
1689 config->proxy_ssl_allow_beast = toggle;
1690 break;
1691
1692 case '5': /* --login-options */
1693 GetStr(&config->login_options, nextarg);
1694 break;
1695
1696 case '6': /* CA info PEM file for proxy */
1697 GetStr(&config->proxy_cacert, nextarg);
1698 break;
1699
1700 case '7': /* CA cert directory for proxy */
1701 GetStr(&config->proxy_capath, nextarg);
1702 break;
1703
1704 case '8': /* allow insecure SSL connects for proxy */
1705 config->proxy_insecure_ok = toggle;
1706 break;
1707
1708 case '9': /* --proxy-tlsv1 */
1709 /* TLS version 1 for proxy */
1710 config->proxy_ssl_version = CURL_SSLVERSION_TLSv1;
1711 break;
1712
1713 case 'A':
1714 /* --socks5-basic */
1715 if(toggle)
1716 config->socks5_auth |= CURLAUTH_BASIC;
1717 else
1718 config->socks5_auth &= ~CURLAUTH_BASIC;
1719 break;
1720
1721 case 'B':
1722 /* --socks5-gssapi */
1723 if(toggle)
1724 config->socks5_auth |= CURLAUTH_GSSAPI;
1725 else
1726 config->socks5_auth &= ~CURLAUTH_GSSAPI;
1727 break;
1728
1729 case 'C':
1730 GetStr(&config->etag_save_file, nextarg);
1731 break;
1732
1733 case 'D':
1734 GetStr(&config->etag_compare_file, nextarg);
1735 break;
1736
1737 case 'E':
1738 GetStr(&config->ssl_ec_curves, nextarg);
1739 break;
1740
1741 default: /* unknown flag */
1742 return PARAM_OPTION_UNKNOWN;
1743 }
1744 break;
1745 case 'f':
1746 switch(subletter) {
1747 case 'a': /* --fail-early */
1748 global->fail_early = toggle;
1749 break;
1750 case 'b': /* --styled-output */
1751 global->styled_output = toggle;
1752 break;
1753 case 'c': /* --mail-rcpt-allowfails */
1754 config->mail_rcpt_allowfails = toggle;
1755 break;
1756 default: /* --fail (hard on errors) */
1757 config->failonerror = toggle;
1758 }
1759 break;
1760 case 'F':
1761 /* "form data" simulation, this is a little advanced so lets do our best
1762 to sort this out slowly and carefully */
1763 if(formparse(config,
1764 nextarg,
1765 &config->mimeroot,
1766 &config->mimecurrent,
1767 (subletter == 's')?TRUE:FALSE)) /* 's' is literal string */
1768 return PARAM_BAD_USE;
1769 if(SetHTTPrequest(config, HTTPREQ_MIMEPOST, &config->httpreq))
1770 return PARAM_BAD_USE;
1771 break;
1772
1773 case 'g': /* g disables URLglobbing */
1774 config->globoff = toggle;
1775 break;
1776
1777 case 'G': /* HTTP GET */
1778 if(subletter == 'a') { /* --request-target */
1779 GetStr(&config->request_target, nextarg);
1780 }
1781 else
1782 config->use_httpget = TRUE;
1783 break;
1784
1785 case 'h': /* h for help */
1786 if(toggle) {
1787 if(nextarg) {
1788 global->help_category = strdup(nextarg);
1789 if(!global->help_category)
1790 return PARAM_NO_MEM;
1791 }
1792 return PARAM_HELP_REQUESTED;
1793 }
1794 /* we now actually support --no-help too! */
1795 break;
1796 case 'H':
1797 /* A custom header to append to a list */
1798 if(nextarg[0] == '@') {
1799 /* read many headers from a file or stdin */
1800 char *string;
1801 size_t len;
1802 bool use_stdin = !strcmp(&nextarg[1], "-");
1803 FILE *file = use_stdin?stdin:fopen(&nextarg[1], FOPEN_READTEXT);
1804 if(!file)
1805 warnf(global, "Failed to open %s!\n", &nextarg[1]);
1806 else {
1807 err = file2memory(&string, &len, file);
1808 if(!err && string) {
1809 /* Allow strtok() here since this isn't used threaded */
1810 /* !checksrc! disable BANNEDFUNC 2 */
1811 char *h = strtok(string, "\r\n");
1812 while(h) {
1813 if(subletter == 'p') /* --proxy-header */
1814 err = add2list(&config->proxyheaders, h);
1815 else
1816 err = add2list(&config->headers, h);
1817 if(err)
1818 break;
1819 h = strtok(NULL, "\r\n");
1820 }
1821 free(string);
1822 }
1823 if(!use_stdin)
1824 fclose(file);
1825 if(err)
1826 return err;
1827 }
1828 }
1829 else {
1830 if(subletter == 'p') /* --proxy-header */
1831 err = add2list(&config->proxyheaders, nextarg);
1832 else
1833 err = add2list(&config->headers, nextarg);
1834 if(err)
1835 return err;
1836 }
1837 break;
1838 case 'i':
1839 if(config->content_disposition) {
1840 warnf(global,
1841 "--include and --remote-header-name cannot be combined.\n");
1842 return PARAM_BAD_USE;
1843 }
1844 config->show_headers = toggle; /* show the headers as well in the
1845 general output stream */
1846 break;
1847 case 'j':
1848 config->cookiesession = toggle;
1849 break;
1850 case 'I': /* --head */
1851 config->no_body = toggle;
1852 config->show_headers = toggle;
1853 if(SetHTTPrequest(config,
1854 (config->no_body)?HTTPREQ_HEAD:HTTPREQ_GET,
1855 &config->httpreq))
1856 return PARAM_BAD_USE;
1857 break;
1858 case 'J': /* --remote-header-name */
1859 if(config->show_headers) {
1860 warnf(global,
1861 "--include and --remote-header-name cannot be combined.\n");
1862 return PARAM_BAD_USE;
1863 }
1864 config->content_disposition = toggle;
1865 break;
1866 case 'k': /* allow insecure SSL connects */
1867 config->insecure_ok = toggle;
1868 break;
1869 case 'K': /* parse config file */
1870 if(parseconfig(nextarg, global))
1871 warnf(global, "error trying read config from the '%s' file\n",
1872 nextarg);
1873 break;
1874 case 'l':
1875 config->dirlistonly = toggle; /* only list the names of the FTP dir */
1876 break;
1877 case 'L':
1878 config->followlocation = toggle; /* Follow Location: HTTP headers */
1879 switch(subletter) {
1880 case 't':
1881 /* Continue to send authentication (user+password) when following
1882 * locations, even when hostname changed */
1883 config->unrestricted_auth = toggle;
1884 break;
1885 }
1886 break;
1887 case 'm':
1888 /* specified max time */
1889 err = str2udouble(&config->timeout, nextarg, LONG_MAX/1000);
1890 if(err)
1891 return err;
1892 break;
1893 case 'M': /* M for manual, huge help */
1894 if(toggle) { /* --no-manual shows no manual... */
1895 #ifdef USE_MANUAL
1896 return PARAM_MANUAL_REQUESTED;
1897 #else
1898 warnf(global,
1899 "built-in manual was disabled at build-time!\n");
1900 return PARAM_OPTION_UNKNOWN;
1901 #endif
1902 }
1903 break;
1904 case 'n':
1905 switch(subletter) {
1906 case 'o': /* use .netrc or URL */
1907 config->netrc_opt = toggle;
1908 break;
1909 case 'e': /* netrc-file */
1910 GetStr(&config->netrc_file, nextarg);
1911 break;
1912 default:
1913 /* pick info from .netrc, if this is used for http, curl will
1914 automatically enfore user+password with the request */
1915 config->netrc = toggle;
1916 break;
1917 }
1918 break;
1919 case 'N':
1920 /* disable the output I/O buffering. note that the option is called
1921 --buffer but is mostly used in the negative form: --no-buffer */
1922 if(longopt)
1923 config->nobuffer = (!toggle)?TRUE:FALSE;
1924 else
1925 config->nobuffer = toggle;
1926 break;
1927 case 'O': /* --remote-name */
1928 if(subletter == 'a') { /* --remote-name-all */
1929 config->default_node_flags = toggle?GETOUT_USEREMOTE:0;
1930 break;
1931 }
1932 else if(subletter == 'b') { /* --output-dir */
1933 GetStr(&config->output_dir, nextarg);
1934 break;
1935 }
1936 /* FALLTHROUGH */
1937 case 'o': /* --output */
1938 /* output file */
1939 {
1940 struct getout *url;
1941 if(!config->url_out)
1942 config->url_out = config->url_list;
1943 if(config->url_out) {
1944 /* there's a node here, if it already is filled-in continue to find
1945 an "empty" node */
1946 while(config->url_out && (config->url_out->flags & GETOUT_OUTFILE))
1947 config->url_out = config->url_out->next;
1948 }
1949
1950 /* now there might or might not be an available node to fill in! */
1951
1952 if(config->url_out)
1953 /* existing node */
1954 url = config->url_out;
1955 else
1956 /* there was no free node, create one! */
1957 config->url_out = url = new_getout(config);
1958
1959 if(!url)
1960 return PARAM_NO_MEM;
1961
1962 /* fill in the outfile */
1963 if('o' == letter) {
1964 GetStr(&url->outfile, nextarg);
1965 url->flags &= ~GETOUT_USEREMOTE; /* switch off */
1966 }
1967 else {
1968 url->outfile = NULL; /* leave it */
1969 if(toggle)
1970 url->flags |= GETOUT_USEREMOTE; /* switch on */
1971 else
1972 url->flags &= ~GETOUT_USEREMOTE; /* switch off */
1973 }
1974 url->flags |= GETOUT_OUTFILE;
1975 }
1976 break;
1977 case 'P':
1978 /* This makes the FTP sessions use PORT instead of PASV */
1979 /* use <eth0> or <192.168.10.10> style addresses. Anything except
1980 this will make us try to get the "default" address.
1981 NOTE: this is a changed behaviour since the released 4.1!
1982 */
1983 GetStr(&config->ftpport, nextarg);
1984 break;
1985 case 'p':
1986 /* proxy tunnel for non-http protocols */
1987 config->proxytunnel = toggle;
1988 break;
1989
1990 case 'q': /* if used first, already taken care of, we do it like
1991 this so we don't cause an error! */
1992 break;
1993 case 'Q':
1994 /* QUOTE command to send to FTP server */
1995 switch(nextarg[0]) {
1996 case '-':
1997 /* prefixed with a dash makes it a POST TRANSFER one */
1998 nextarg++;
1999 err = add2list(&config->postquote, nextarg);
2000 break;
2001 case '+':
2002 /* prefixed with a plus makes it a just-before-transfer one */
2003 nextarg++;
2004 err = add2list(&config->prequote, nextarg);
2005 break;
2006 default:
2007 err = add2list(&config->quote, nextarg);
2008 break;
2009 }
2010 if(err)
2011 return err;
2012 break;
2013 case 'r':
2014 /* Specifying a range WITHOUT A DASH will create an illegal HTTP range
2015 (and won't actually be range by definition). The man page previously
2016 claimed that to be a good way, why this code is added to work-around
2017 it. */
2018 if(ISDIGIT(*nextarg) && !strchr(nextarg, '-')) {
2019 char buffer[32];
2020 curl_off_t off;
2021 if(curlx_strtoofft(nextarg, NULL, 10, &off)) {
2022 warnf(global, "unsupported range point\n");
2023 return PARAM_BAD_USE;
2024 }
2025 warnf(global,
2026 "A specified range MUST include at least one dash (-). "
2027 "Appending one for you!\n");
2028 msnprintf(buffer, sizeof(buffer), "%" CURL_FORMAT_CURL_OFF_T "-", off);
2029 Curl_safefree(config->range);
2030 config->range = strdup(buffer);
2031 if(!config->range)
2032 return PARAM_NO_MEM;
2033 }
2034 {
2035 /* byte range requested */
2036 const char *tmp_range = nextarg;
2037 while(*tmp_range != '\0') {
2038 if(!ISDIGIT(*tmp_range) && *tmp_range != '-' && *tmp_range != ',') {
2039 warnf(global, "Invalid character is found in given range. "
2040 "A specified range MUST have only digits in "
2041 "\'start\'-\'stop\'. The server's response to this "
2042 "request is uncertain.\n");
2043 break;
2044 }
2045 tmp_range++;
2046 }
2047 /* byte range requested */
2048 GetStr(&config->range, nextarg);
2049 }
2050 break;
2051 case 'R':
2052 /* use remote file's time */
2053 config->remote_time = toggle;
2054 break;
2055 case 's':
2056 /* don't show progress meter, don't show errors : */
2057 if(toggle)
2058 global->mute = global->noprogress = TRUE;
2059 else
2060 global->mute = global->noprogress = FALSE;
2061 if(global->showerror < 0)
2062 /* if still on the default value, set showerror to the reverse of
2063 toggle. This is to allow -S and -s to be used in an independent
2064 order but still have the same effect. */
2065 global->showerror = (!toggle)?TRUE:FALSE; /* toggle off */
2066 break;
2067 case 'S':
2068 /* show errors */
2069 global->showerror = toggle?1:0; /* toggle on if used with -s */
2070 break;
2071 case 't':
2072 /* Telnet options */
2073 err = add2list(&config->telnet_options, nextarg);
2074 if(err)
2075 return err;
2076 break;
2077 case 'T':
2078 /* we are uploading */
2079 {
2080 struct getout *url;
2081 if(!config->url_ul)
2082 config->url_ul = config->url_list;
2083 if(config->url_ul) {
2084 /* there's a node here, if it already is filled-in continue to find
2085 an "empty" node */
2086 while(config->url_ul && (config->url_ul->flags & GETOUT_UPLOAD))
2087 config->url_ul = config->url_ul->next;
2088 }
2089
2090 /* now there might or might not be an available node to fill in! */
2091
2092 if(config->url_ul)
2093 /* existing node */
2094 url = config->url_ul;
2095 else
2096 /* there was no free node, create one! */
2097 config->url_ul = url = new_getout(config);
2098
2099 if(!url)
2100 return PARAM_NO_MEM;
2101
2102 url->flags |= GETOUT_UPLOAD; /* mark -T used */
2103 if(!*nextarg)
2104 url->flags |= GETOUT_NOUPLOAD;
2105 else {
2106 /* "-" equals stdin, but keep the string around for now */
2107 GetStr(&url->infile, nextarg);
2108 }
2109 }
2110 break;
2111 case 'u':
2112 /* user:password */
2113 GetStr(&config->userpwd, nextarg);
2114 cleanarg(nextarg);
2115 break;
2116 case 'U':
2117 /* Proxy user:password */
2118 GetStr(&config->proxyuserpwd, nextarg);
2119 cleanarg(nextarg);
2120 break;
2121 case 'v':
2122 if(toggle) {
2123 /* the '%' thing here will cause the trace get sent to stderr */
2124 Curl_safefree(global->trace_dump);
2125 global->trace_dump = strdup("%");
2126 if(!global->trace_dump)
2127 return PARAM_NO_MEM;
2128 if(global->tracetype && (global->tracetype != TRACE_PLAIN))
2129 warnf(global,
2130 "-v, --verbose overrides an earlier trace/verbose option\n");
2131 global->tracetype = TRACE_PLAIN;
2132 }
2133 else
2134 /* verbose is disabled here */
2135 global->tracetype = TRACE_NONE;
2136 break;
2137 case 'V':
2138 if(toggle) /* --no-version yields no output! */
2139 return PARAM_VERSION_INFO_REQUESTED;
2140 break;
2141
2142 case 'w':
2143 /* get the output string */
2144 if('@' == *nextarg) {
2145 /* the data begins with a '@' letter, it means that a file name
2146 or - (stdin) follows */
2147 FILE *file;
2148 const char *fname;
2149 nextarg++; /* pass the @ */
2150 if(!strcmp("-", nextarg)) {
2151 fname = "<stdin>";
2152 file = stdin;
2153 }
2154 else {
2155 fname = nextarg;
2156 file = fopen(nextarg, FOPEN_READTEXT);
2157 }
2158 Curl_safefree(config->writeout);
2159 err = file2string(&config->writeout, file);
2160 if(file && (file != stdin))
2161 fclose(file);
2162 if(err)
2163 return err;
2164 if(!config->writeout)
2165 warnf(global, "Failed to read %s", fname);
2166 }
2167 else
2168 GetStr(&config->writeout, nextarg);
2169 break;
2170 case 'x':
2171 switch(subletter) {
2172 case 'a': /* --preproxy */
2173 GetStr(&config->preproxy, nextarg);
2174 break;
2175 default:
2176 /* --proxy */
2177 GetStr(&config->proxy, nextarg);
2178 config->proxyver = CURLPROXY_HTTP;
2179 break;
2180 }
2181 break;
2182 case 'X':
2183 /* set custom request */
2184 GetStr(&config->customrequest, nextarg);
2185 break;
2186 case 'y':
2187 /* low speed time */
2188 err = str2unum(&config->low_speed_time, nextarg);
2189 if(err)
2190 return err;
2191 if(!config->low_speed_limit)
2192 config->low_speed_limit = 1;
2193 break;
2194 case 'Y':
2195 /* low speed limit */
2196 err = str2unum(&config->low_speed_limit, nextarg);
2197 if(err)
2198 return err;
2199 if(!config->low_speed_time)
2200 config->low_speed_time = 30;
2201 break;
2202 case 'Z':
2203 switch(subletter) {
2204 case '\0': /* --parallel */
2205 global->parallel = toggle;
2206 break;
2207 case 'b': /* --parallel-max */
2208 err = str2unum(&global->parallel_max, nextarg);
2209 if(err)
2210 return err;
2211 if((global->parallel_max > MAX_PARALLEL) ||
2212 (global->parallel_max < 1))
2213 global->parallel_max = PARALLEL_DEFAULT;
2214 break;
2215 case 'c': /* --parallel-connect */
2216 global->parallel_connect = toggle;
2217 break;
2218 }
2219 break;
2220 case 'z': /* time condition coming up */
2221 switch(*nextarg) {
2222 case '+':
2223 nextarg++;
2224 /* FALLTHROUGH */
2225 default:
2226 /* If-Modified-Since: (section 14.28 in RFC2068) */
2227 config->timecond = CURL_TIMECOND_IFMODSINCE;
2228 break;
2229 case '-':
2230 /* If-Unmodified-Since: (section 14.24 in RFC2068) */
2231 config->timecond = CURL_TIMECOND_IFUNMODSINCE;
2232 nextarg++;
2233 break;
2234 case '=':
2235 /* Last-Modified: (section 14.29 in RFC2068) */
2236 config->timecond = CURL_TIMECOND_LASTMOD;
2237 nextarg++;
2238 break;
2239 }
2240 now = time(NULL);
2241 config->condtime = (curl_off_t)curl_getdate(nextarg, &now);
2242 if(-1 == config->condtime) {
2243 /* now let's see if it is a file name to get the time from instead! */
2244 curl_off_t filetime = getfiletime(nextarg, config->global->errors);
2245 if(filetime >= 0) {
2246 /* pull the time out from the file */
2247 config->condtime = filetime;
2248 }
2249 else {
2250 /* failed, remove time condition */
2251 config->timecond = CURL_TIMECOND_NONE;
2252 warnf(global,
2253 "Illegal date format for -z, --time-cond (and not "
2254 "a file name). Disabling time condition. "
2255 "See curl_getdate(3) for valid date syntax.\n");
2256 }
2257 }
2258 break;
2259 default: /* unknown flag */
2260 return PARAM_OPTION_UNKNOWN;
2261 }
2262 hit = -1;
2263
2264 } while(!longopt && !singleopt && *++parse && !*usedarg);
2265
2266 return PARAM_OK;
2267 }
2268
parse_args(struct GlobalConfig * global,int argc,argv_item_t argv[])2269 ParameterError parse_args(struct GlobalConfig *global, int argc,
2270 argv_item_t argv[])
2271 {
2272 int i;
2273 bool stillflags;
2274 char *orig_opt = NULL;
2275 ParameterError result = PARAM_OK;
2276 struct OperationConfig *config = global->first;
2277
2278 for(i = 1, stillflags = TRUE; i < argc && !result; i++) {
2279 orig_opt = curlx_convert_tchar_to_UTF8(argv[i]);
2280
2281 if(stillflags && ('-' == orig_opt[0])) {
2282 bool passarg;
2283
2284 if(!strcmp("--", orig_opt))
2285 /* This indicates the end of the flags and thus enables the
2286 following (URL) argument to start with -. */
2287 stillflags = FALSE;
2288 else {
2289 char *nextarg = (i < (argc - 1))
2290 ? curlx_convert_tchar_to_UTF8(argv[i + 1])
2291 : NULL;
2292
2293 result = getparameter(orig_opt, nextarg, &passarg, global, config);
2294 curlx_unicodefree(nextarg);
2295 config = global->last;
2296 if(result == PARAM_NEXT_OPERATION) {
2297 /* Reset result as PARAM_NEXT_OPERATION is only used here and not
2298 returned from this function */
2299 result = PARAM_OK;
2300
2301 if(config->url_list && config->url_list->url) {
2302 /* Allocate the next config */
2303 config->next = malloc(sizeof(struct OperationConfig));
2304 if(config->next) {
2305 /* Initialise the newly created config */
2306 config_init(config->next);
2307
2308 /* Set the global config pointer */
2309 config->next->global = global;
2310
2311 /* Update the last config pointer */
2312 global->last = config->next;
2313
2314 /* Move onto the new config */
2315 config->next->prev = config;
2316 config = config->next;
2317 }
2318 else
2319 result = PARAM_NO_MEM;
2320 }
2321 }
2322 else if(!result && passarg)
2323 i++; /* we're supposed to skip this */
2324 }
2325 }
2326 else {
2327 bool used;
2328
2329 /* Just add the URL please */
2330 result = getparameter("--url", orig_opt, &used, global,
2331 config);
2332 }
2333
2334 if(!result)
2335 curlx_unicodefree(orig_opt);
2336 }
2337
2338 if(result && result != PARAM_HELP_REQUESTED &&
2339 result != PARAM_MANUAL_REQUESTED &&
2340 result != PARAM_VERSION_INFO_REQUESTED &&
2341 result != PARAM_ENGINES_REQUESTED) {
2342 const char *reason = param2text(result);
2343
2344 if(orig_opt && strcmp(":", orig_opt))
2345 helpf(global->errors, "option %s: %s\n", orig_opt, reason);
2346 else
2347 helpf(global->errors, "%s\n", reason);
2348 }
2349
2350 curlx_unicodefree(orig_opt);
2351 return result;
2352 }
2353