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