1 /* Command line parsing.
2 Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
3 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation,
6 This file is part of GNU Wget.
8 GNU Wget is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3 of the License, or
11 (at your option) any later version.
13 GNU Wget is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with Wget. If not, see <http://www.gnu.org/licenses/>.
21 Additional permission under GNU GPL version 3 section 7
23 If you modify this program, or any covered work, by linking or
24 combining it with the OpenSSL project's OpenSSL library (or a
25 modified version of that library), containing parts covered by the
26 terms of the OpenSSL or SSLeay licenses, the Free Software Foundation
27 grants you additional permission to convey the resulting work.
28 Corresponding Source for a non-source form of such a combination
29 shall include the source code for the parts of OpenSSL used as well
30 as that of the covered work. */
53 #include "progress.h" /* for progress_handle_sigwinch */
56 #include "http.h" /* for save_cookies */
72 #ifndef PATH_SEPARATOR
73 # define PATH_SEPARATOR '/'
82 /* defined in version.c */
83 extern char *version_string;
84 extern char *compilation_string;
85 extern char *system_getrc;
86 extern char *link_string;
87 /* defined in build_info.c */
88 extern const char *compiled_features[];
89 /* Used for --version output in print_version */
90 #define MAX_CHARS_PER_LINE 72
93 #if defined(SIGHUP) || defined(SIGUSR1)
94 static void redirect_output_signal (int);
97 const char *exec_name;
99 /* Number of successfully downloaded URLs */
103 /* Initialize I18N/L10N. That amounts to invoking setlocale, and
104 setting up gettext's message catalog using bindtextdomain and
105 textdomain. Does nothing if NLS is disabled or missing. */
108 i18n_initialize (void)
110 /* ENABLE_NLS implies existence of functions invoked here. */
112 /* Set the current locale. */
113 setlocale (LC_ALL, "");
114 /* Set the text message domain. */
115 bindtextdomain ("wget", LOCALEDIR);
117 #endif /* ENABLE_NLS */
120 /* Definition of command-line options. */
122 static void print_help (void);
123 static void print_version (void);
128 # define IF_SSL(x) NULL
132 # define WHEN_DEBUG(x) x
134 # define WHEN_DEBUG(x) NULL
137 struct cmdline_option {
138 const char *long_name;
144 /* Non-standard options that have to be handled specially in
148 OPT__DONT_REMOVE_LISTING,
153 const void *data; /* for standard options */
154 int argtype; /* for non-standard options */
157 static struct cmdline_option option_data[] =
159 { "accept", 'A', OPT_VALUE, "accept", -1 },
160 { "adjust-extension", 'E', OPT_BOOLEAN, "adjustextension", -1 },
161 { "append-output", 'a', OPT__APPEND_OUTPUT, NULL, required_argument },
162 { "ask-password", 0, OPT_BOOLEAN, "askpassword", -1 },
163 { "auth-no-challenge", 0, OPT_BOOLEAN, "authnochallenge", -1 },
164 { "background", 'b', OPT_BOOLEAN, "background", -1 },
165 { "backup-converted", 'K', OPT_BOOLEAN, "backupconverted", -1 },
166 { "backups", 0, OPT_BOOLEAN, "backups", -1 },
167 { "base", 'B', OPT_VALUE, "base", -1 },
168 { "bind-address", 0, OPT_VALUE, "bindaddress", -1 },
169 { IF_SSL ("ca-certificate"), 0, OPT_VALUE, "cacertificate", -1 },
170 { IF_SSL ("ca-directory"), 0, OPT_VALUE, "cadirectory", -1 },
171 { "cache", 0, OPT_BOOLEAN, "cache", -1 },
172 { IF_SSL ("certificate"), 0, OPT_VALUE, "certificate", -1 },
173 { IF_SSL ("certificate-type"), 0, OPT_VALUE, "certificatetype", -1 },
174 { IF_SSL ("check-certificate"), 0, OPT_BOOLEAN, "checkcertificate", -1 },
175 { "clobber", 0, OPT__CLOBBER, NULL, optional_argument },
176 { "config", 0, OPT_VALUE, "chooseconfig", -1 },
177 { "connect-timeout", 0, OPT_VALUE, "connecttimeout", -1 },
178 { "continue", 'c', OPT_BOOLEAN, "continue", -1 },
179 { "convert-links", 'k', OPT_BOOLEAN, "convertlinks", -1 },
180 { "content-disposition", 0, OPT_BOOLEAN, "contentdisposition", -1 },
181 { "cookies", 0, OPT_BOOLEAN, "cookies", -1 },
182 { "cut-dirs", 0, OPT_VALUE, "cutdirs", -1 },
183 { WHEN_DEBUG ("debug"), 'd', OPT_BOOLEAN, "debug", -1 },
184 { "default-page", 0, OPT_VALUE, "defaultpage", -1 },
185 { "delete-after", 0, OPT_BOOLEAN, "deleteafter", -1 },
186 { "directories", 0, OPT_BOOLEAN, "dirstruct", -1 },
187 { "directory-prefix", 'P', OPT_VALUE, "dirprefix", -1 },
188 { "dns-cache", 0, OPT_BOOLEAN, "dnscache", -1 },
189 { "dns-timeout", 0, OPT_VALUE, "dnstimeout", -1 },
190 { "domains", 'D', OPT_VALUE, "domains", -1 },
191 { "dont-remove-listing", 0, OPT__DONT_REMOVE_LISTING, NULL, no_argument },
192 { "dot-style", 0, OPT_VALUE, "dotstyle", -1 }, /* deprecated */
193 { "egd-file", 0, OPT_VALUE, "egdfile", -1 },
194 { "exclude-directories", 'X', OPT_VALUE, "excludedirectories", -1 },
195 { "exclude-domains", 0, OPT_VALUE, "excludedomains", -1 },
196 { "execute", 'e', OPT__EXECUTE, NULL, required_argument },
197 { "follow-ftp", 0, OPT_BOOLEAN, "followftp", -1 },
198 { "follow-tags", 0, OPT_VALUE, "followtags", -1 },
199 { "force-directories", 'x', OPT_BOOLEAN, "dirstruct", -1 },
200 { "force-html", 'F', OPT_BOOLEAN, "forcehtml", -1 },
201 { "ftp-password", 0, OPT_VALUE, "ftppassword", -1 },
203 { "ftp-stmlf", 0, OPT_BOOLEAN, "ftpstmlf", -1 },
204 #endif /* def __VMS */
205 { "ftp-user", 0, OPT_VALUE, "ftpuser", -1 },
206 { "glob", 0, OPT_BOOLEAN, "glob", -1 },
207 { "header", 0, OPT_VALUE, "header", -1 },
208 { "help", 'h', OPT_FUNCALL, (void *)print_help, no_argument },
209 { "host-directories", 0, OPT_BOOLEAN, "addhostdir", -1 },
210 { "html-extension", 'E', OPT_BOOLEAN, "adjustextension", -1 }, /* deprecated */
211 { "htmlify", 0, OPT_BOOLEAN, "htmlify", -1 },
212 { "http-keep-alive", 0, OPT_BOOLEAN, "httpkeepalive", -1 },
213 { "http-passwd", 0, OPT_VALUE, "httppassword", -1 }, /* deprecated */
214 { "http-password", 0, OPT_VALUE, "httppassword", -1 },
215 { "http-user", 0, OPT_VALUE, "httpuser", -1 },
216 { "ignore-case", 0, OPT_BOOLEAN, "ignorecase", -1 },
217 { "ignore-length", 0, OPT_BOOLEAN, "ignorelength", -1 },
218 { "ignore-tags", 0, OPT_VALUE, "ignoretags", -1 },
219 { "include-directories", 'I', OPT_VALUE, "includedirectories", -1 },
221 { "inet4-only", '4', OPT_BOOLEAN, "inet4only", -1 },
222 { "inet6-only", '6', OPT_BOOLEAN, "inet6only", -1 },
224 { "input-file", 'i', OPT_VALUE, "input", -1 },
225 { "iri", 0, OPT_BOOLEAN, "iri", -1 },
226 { "keep-session-cookies", 0, OPT_BOOLEAN, "keepsessioncookies", -1 },
227 { "level", 'l', OPT_VALUE, "reclevel", -1 },
228 { "limit-rate", 0, OPT_VALUE, "limitrate", -1 },
229 { "load-cookies", 0, OPT_VALUE, "loadcookies", -1 },
230 { "local-encoding", 0, OPT_VALUE, "localencoding", -1 },
231 { "max-redirect", 0, OPT_VALUE, "maxredirect", -1 },
232 { "mirror", 'm', OPT_BOOLEAN, "mirror", -1 },
233 { "no", 'n', OPT__NO, NULL, required_argument },
234 { "no-clobber", 0, OPT_BOOLEAN, "noclobber", -1 },
235 { "no-parent", 0, OPT_BOOLEAN, "noparent", -1 },
236 { "output-document", 'O', OPT_VALUE, "outputdocument", -1 },
237 { "output-file", 'o', OPT_VALUE, "logfile", -1 },
238 { "page-requisites", 'p', OPT_BOOLEAN, "pagerequisites", -1 },
239 { "parent", 0, OPT__PARENT, NULL, optional_argument },
240 { "passive-ftp", 0, OPT_BOOLEAN, "passiveftp", -1 },
241 { "password", 0, OPT_VALUE, "password", -1 },
242 { "post-data", 0, OPT_VALUE, "postdata", -1 },
243 { "post-file", 0, OPT_VALUE, "postfile", -1 },
244 { "prefer-family", 0, OPT_VALUE, "preferfamily", -1 },
245 { "preserve-permissions", 0, OPT_BOOLEAN, "preservepermissions", -1 }, /* deprecated */
246 { IF_SSL ("private-key"), 0, OPT_VALUE, "privatekey", -1 },
247 { IF_SSL ("private-key-type"), 0, OPT_VALUE, "privatekeytype", -1 },
248 { "progress", 0, OPT_VALUE, "progress", -1 },
249 { "protocol-directories", 0, OPT_BOOLEAN, "protocoldirectories", -1 },
250 { "proxy", 0, OPT_BOOLEAN, "useproxy", -1 },
251 { "proxy__compat", 'Y', OPT_VALUE, "useproxy", -1 }, /* back-compatible */
252 { "proxy-passwd", 0, OPT_VALUE, "proxypassword", -1 }, /* deprecated */
253 { "proxy-password", 0, OPT_VALUE, "proxypassword", -1 },
254 { "proxy-user", 0, OPT_VALUE, "proxyuser", -1 },
255 { "quiet", 'q', OPT_BOOLEAN, "quiet", -1 },
256 { "quota", 'Q', OPT_VALUE, "quota", -1 },
257 { "random-file", 0, OPT_VALUE, "randomfile", -1 },
258 { "random-wait", 0, OPT_BOOLEAN, "randomwait", -1 },
259 { "read-timeout", 0, OPT_VALUE, "readtimeout", -1 },
260 { "recursive", 'r', OPT_BOOLEAN, "recursive", -1 },
261 { "referer", 0, OPT_VALUE, "referer", -1 },
262 { "reject", 'R', OPT_VALUE, "reject", -1 },
263 { "relative", 'L', OPT_BOOLEAN, "relativeonly", -1 },
264 { "remote-encoding", 0, OPT_VALUE, "remoteencoding", -1 },
265 { "remove-listing", 0, OPT_BOOLEAN, "removelisting", -1 },
266 { "restrict-file-names", 0, OPT_BOOLEAN, "restrictfilenames", -1 },
267 { "retr-symlinks", 0, OPT_BOOLEAN, "retrsymlinks", -1 },
268 { "retry-connrefused", 0, OPT_BOOLEAN, "retryconnrefused", -1 },
269 { "save-cookies", 0, OPT_VALUE, "savecookies", -1 },
270 { "save-headers", 0, OPT_BOOLEAN, "saveheaders", -1 },
271 { IF_SSL ("secure-protocol"), 0, OPT_VALUE, "secureprotocol", -1 },
272 { "server-response", 'S', OPT_BOOLEAN, "serverresponse", -1 },
273 { "span-hosts", 'H', OPT_BOOLEAN, "spanhosts", -1 },
274 { "spider", 0, OPT_BOOLEAN, "spider", -1 },
275 { "strict-comments", 0, OPT_BOOLEAN, "strictcomments", -1 },
276 { "timeout", 'T', OPT_VALUE, "timeout", -1 },
277 { "timestamping", 'N', OPT_BOOLEAN, "timestamping", -1 },
278 { "tries", 't', OPT_VALUE, "tries", -1 },
279 { "unlink", 0, OPT_BOOLEAN, "unlink", -1 },
280 { "trust-server-names", 0, OPT_BOOLEAN, "trustservernames", -1 },
281 { "use-server-timestamps", 0, OPT_BOOLEAN, "useservertimestamps", -1 },
282 { "user", 0, OPT_VALUE, "user", -1 },
283 { "user-agent", 'U', OPT_VALUE, "useragent", -1 },
284 { "verbose", 'v', OPT_BOOLEAN, "verbose", -1 },
285 { "verbose", 0, OPT_BOOLEAN, "verbose", -1 },
286 { "version", 'V', OPT_FUNCALL, (void *) print_version, no_argument },
287 { "wait", 'w', OPT_VALUE, "wait", -1 },
288 { "waitretry", 0, OPT_VALUE, "waitretry", -1 },
290 { "wdebug", 0, OPT_BOOLEAN, "wdebug", -1 },
297 /* Return a string that contains S with "no-" prepended. The string
298 is NUL-terminated and allocated off static storage at Wget
302 no_prefix (const char *s)
304 static char buffer[1024];
305 static char *p = buffer;
308 int size = 3 + strlen (s) + 1; /* "no-STRING\0" */
309 if (p + size >= buffer + sizeof (buffer))
312 cp[0] = 'n', cp[1] = 'o', cp[2] = '-';
318 /* The arguments that that main passes to getopt_long. */
319 static struct option long_options[2 * countof (option_data) + 1];
320 static char short_options[128];
322 /* Mapping between short option chars and option_data indices. */
323 static unsigned char optmap[96];
325 /* Marker for `--no-FOO' values in long_options. */
326 #define BOOLEAN_NEG_MARKER 1024
328 /* Initialize the long_options array used by getopt_long from the data
334 char *p = short_options;
336 for (i = 0; i < countof (option_data); i++)
338 struct cmdline_option *opt = &option_data[i];
339 struct option *longopt;
342 /* The option is disabled. */
345 longopt = &long_options[o++];
346 longopt->name = opt->long_name;
350 *p++ = opt->short_name;
351 optmap[opt->short_name - 32] = longopt - long_options;
356 longopt->has_arg = required_argument;
361 /* Specify an optional argument for long options, so that
362 --option=off works the same as --no-option, for
363 compatibility with pre-1.10 Wget. However, don't specify
364 optional arguments short-option booleans because they
365 prevent combining of short options. */
366 longopt->has_arg = optional_argument;
367 /* For Boolean options, add the "--no-FOO" variant, which is
368 identical to "--foo", except it has opposite meaning and
369 it doesn't allow an argument. */
370 longopt = &long_options[o++];
371 longopt->name = no_prefix (opt->long_name);
372 longopt->has_arg = no_argument;
373 /* Mask the value so we'll be able to recognize that we're
374 dealing with the false value. */
375 longopt->val = i | BOOLEAN_NEG_MARKER;
378 assert (opt->argtype != -1);
379 longopt->has_arg = opt->argtype;
382 if (longopt->has_arg == required_argument)
384 /* Don't handle optional_argument */
388 /* Terminate short_options. */
390 /* No need for xzero(long_options[o]) because its storage is static
391 and it will be zeroed by default. */
392 assert (o <= countof (long_options));
395 /* Print the usage message. */
397 print_usage (int error)
399 fprintf (error ? stderr : stdout, _("Usage: %s [OPTION]... [URL]...\n"),
403 /* Print the help message, describing all the available options. If
404 you add an option, be sure to update this list. */
408 /* We split the help text this way to ease translation of individual
410 static const char *help[] = {
413 Mandatory arguments to long options are mandatory for short options too.\n\n"),
417 -V, --version display the version of Wget and exit.\n"),
419 -h, --help print this help.\n"),
421 -b, --background go to background after startup.\n"),
423 -e, --execute=COMMAND execute a `.wgetrc'-style command.\n"),
427 Logging and input file:\n"),
429 -o, --output-file=FILE log messages to FILE.\n"),
431 -a, --append-output=FILE append messages to FILE.\n"),
434 -d, --debug print lots of debugging information.\n"),
438 --wdebug print Watt-32 debug output.\n"),
441 -q, --quiet quiet (no output).\n"),
443 -v, --verbose be verbose (this is the default).\n"),
445 -nv, --no-verbose turn off verboseness, without being quiet.\n"),
447 -i, --input-file=FILE download URLs found in local or external FILE.\n"),
449 -F, --force-html treat input file as HTML.\n"),
451 -B, --base=URL resolves HTML input-file links (-i -F)\n\
452 relative to URL.\n"),
454 --config=FILE Specify config file to use.\n"),
460 -t, --tries=NUMBER set number of retries to NUMBER (0 unlimits).\n"),
462 --retry-connrefused retry even if connection is refused.\n"),
464 -O, --output-document=FILE write documents to FILE.\n"),
466 -nc, --no-clobber skip downloads that would download to\n\
467 existing files (overwriting them).\n"),
469 -c, --continue resume getting a partially-downloaded file.\n"),
471 --progress=TYPE select progress gauge type.\n"),
473 -N, --timestamping don't re-retrieve files unless newer than\n\
476 --no-use-server-timestamps don't set the local file's timestamp by\n\
477 the one on the server.\n"),
479 -S, --server-response print server response.\n"),
481 --spider don't download anything.\n"),
483 -T, --timeout=SECONDS set all timeout values to SECONDS.\n"),
485 --dns-timeout=SECS set the DNS lookup timeout to SECS.\n"),
487 --connect-timeout=SECS set the connect timeout to SECS.\n"),
489 --read-timeout=SECS set the read timeout to SECS.\n"),
491 -w, --wait=SECONDS wait SECONDS between retrievals.\n"),
493 --waitretry=SECONDS wait 1..SECONDS between retries of a retrieval.\n"),
495 --random-wait wait from 0.5*WAIT...1.5*WAIT secs between retrievals.\n"),
497 --no-proxy explicitly turn off proxy.\n"),
499 -Q, --quota=NUMBER set retrieval quota to NUMBER.\n"),
501 --bind-address=ADDRESS bind to ADDRESS (hostname or IP) on local host.\n"),
503 --limit-rate=RATE limit download rate to RATE.\n"),
505 --no-dns-cache disable caching DNS lookups.\n"),
507 --restrict-file-names=OS restrict chars in file names to ones OS allows.\n"),
509 --ignore-case ignore case when matching files/directories.\n"),
512 -4, --inet4-only connect only to IPv4 addresses.\n"),
514 -6, --inet6-only connect only to IPv6 addresses.\n"),
516 --prefer-family=FAMILY connect first to addresses of specified family,\n\
517 one of IPv6, IPv4, or none.\n"),
520 --user=USER set both ftp and http user to USER.\n"),
522 --password=PASS set both ftp and http password to PASS.\n"),
524 --ask-password prompt for passwords.\n"),
526 --no-iri turn off IRI support.\n"),
528 --local-encoding=ENC use ENC as the local encoding for IRIs.\n"),
530 --remote-encoding=ENC use ENC as the default remote encoding.\n"),
532 --unlink remove file before clobber.\n"),
538 -nd, --no-directories don't create directories.\n"),
540 -x, --force-directories force creation of directories.\n"),
542 -nH, --no-host-directories don't create host directories.\n"),
544 --protocol-directories use protocol name in directories.\n"),
546 -P, --directory-prefix=PREFIX save files to PREFIX/...\n"),
548 --cut-dirs=NUMBER ignore NUMBER remote directory components.\n"),
554 --http-user=USER set http user to USER.\n"),
556 --http-password=PASS set http password to PASS.\n"),
558 --no-cache disallow server-cached data.\n"),
560 --default-page=NAME Change the default page name (normally\n\
561 this is `index.html'.).\n"),
563 -E, --adjust-extension save HTML/CSS documents with proper extensions.\n"),
565 --ignore-length ignore `Content-Length' header field.\n"),
567 --header=STRING insert STRING among the headers.\n"),
569 --max-redirect maximum redirections allowed per page.\n"),
571 --proxy-user=USER set USER as proxy username.\n"),
573 --proxy-password=PASS set PASS as proxy password.\n"),
575 --referer=URL include `Referer: URL' header in HTTP request.\n"),
577 --save-headers save the HTTP headers to file.\n"),
579 -U, --user-agent=AGENT identify as AGENT instead of Wget/VERSION.\n"),
581 --no-http-keep-alive disable HTTP keep-alive (persistent connections).\n"),
583 --no-cookies don't use cookies.\n"),
585 --load-cookies=FILE load cookies from FILE before session.\n"),
587 --save-cookies=FILE save cookies to FILE after session.\n"),
589 --keep-session-cookies load and save session (non-permanent) cookies.\n"),
591 --post-data=STRING use the POST method; send STRING as the data.\n"),
593 --post-file=FILE use the POST method; send contents of FILE.\n"),
595 --content-disposition honor the Content-Disposition header when\n\
596 choosing local file names (EXPERIMENTAL).\n"),
598 --auth-no-challenge send Basic HTTP authentication information\n\
599 without first waiting for the server's\n\
605 HTTPS (SSL/TLS) options:\n"),
607 --secure-protocol=PR choose secure protocol, one of auto, SSLv2,\n\
608 SSLv3, and TLSv1.\n"),
610 --no-check-certificate don't validate the server's certificate.\n"),
612 --certificate=FILE client certificate file.\n"),
614 --certificate-type=TYPE client certificate type, PEM or DER.\n"),
616 --private-key=FILE private key file.\n"),
618 --private-key-type=TYPE private key type, PEM or DER.\n"),
620 --ca-certificate=FILE file with the bundle of CA's.\n"),
622 --ca-directory=DIR directory where hash list of CA's is stored.\n"),
624 --random-file=FILE file with random data for seeding the SSL PRNG.\n"),
626 --egd-file=FILE file naming the EGD socket with random data.\n"),
628 #endif /* HAVE_SSL */
634 --ftp-stmlf Use Stream_LF format for all binary FTP files.\n"),
635 #endif /* def __VMS */
637 --ftp-user=USER set ftp user to USER.\n"),
639 --ftp-password=PASS set ftp password to PASS.\n"),
641 --no-remove-listing don't remove `.listing' files.\n"),
643 --no-glob turn off FTP file name globbing.\n"),
645 --no-passive-ftp disable the \"passive\" transfer mode.\n"),
647 --retr-symlinks when recursing, get linked-to files (not dir).\n"),
651 Recursive download:\n"),
653 -r, --recursive specify recursive download.\n"),
655 -l, --level=NUMBER maximum recursion depth (inf or 0 for infinite).\n"),
657 --delete-after delete files locally after downloading them.\n"),
659 -k, --convert-links make links in downloaded HTML or CSS point to\n\
663 -K, --backup-converted before converting file X, back up as X_orig.\n"),
664 #else /* def __VMS */
666 -K, --backup-converted before converting file X, back up as X.orig.\n"),
667 #endif /* def __VMS [else] */
669 -m, --mirror shortcut for -N -r -l inf --no-remove-listing.\n"),
671 -p, --page-requisites get all images, etc. needed to display HTML page.\n"),
673 --strict-comments turn on strict (SGML) handling of HTML comments.\n"),
677 Recursive accept/reject:\n"),
679 -A, --accept=LIST comma-separated list of accepted extensions.\n"),
681 -R, --reject=LIST comma-separated list of rejected extensions.\n"),
683 -D, --domains=LIST comma-separated list of accepted domains.\n"),
685 --exclude-domains=LIST comma-separated list of rejected domains.\n"),
687 --follow-ftp follow FTP links from HTML documents.\n"),
689 --follow-tags=LIST comma-separated list of followed HTML tags.\n"),
691 --ignore-tags=LIST comma-separated list of ignored HTML tags.\n"),
693 -H, --span-hosts go to foreign hosts when recursive.\n"),
695 -L, --relative follow relative links only.\n"),
697 -I, --include-directories=LIST list of allowed directories.\n"),
699 --trust-server-names use the name specified by the redirection\n\
700 url last component.\n"),
702 -X, --exclude-directories=LIST list of excluded directories.\n"),
704 -np, --no-parent don't ascend to the parent directory.\n"),
707 N_("Mail bug reports and suggestions to <bug-wget@gnu.org>.\n")
712 printf (_("GNU Wget %s, a non-interactive network retriever.\n"),
716 for (i = 0; i < countof (help); i++)
717 fputs (_(help[i]), stdout);
722 /* Return a human-readable printed representation of INTERVAL,
723 measured in seconds. */
726 secs_to_human_time (double interval)
729 int secs = (int) (interval + 0.5);
730 int hours, mins, days;
732 days = secs / 86400, secs %= 86400;
733 hours = secs / 3600, secs %= 3600;
734 mins = secs / 60, secs %= 60;
737 sprintf (buf, "%dd %dh %dm %ds", days, hours, mins, secs);
739 sprintf (buf, "%dh %dm %ds", hours, mins, secs);
741 sprintf (buf, "%dm %ds", mins, secs);
743 sprintf (buf, "%ss", print_decimal (interval));
749 prompt_for_password (void)
752 fprintf (stderr, _("Password for user %s: "), quote (opt.user));
754 fprintf (stderr, _("Password: "));
758 /* Function that prints the line argument while limiting it
759 to at most line_length. prefix is printed on the first line
760 and an appropriate number of spaces are added on subsequent
763 format_and_print_line (const char *prefix, const char *line,
767 char *line_dup, *token;
769 assert (prefix != NULL);
770 assert (line != NULL);
772 line_dup = xstrdup (line);
774 if (line_length <= 0)
775 line_length = MAX_CHARS_PER_LINE - TABULATION;
777 printf ("%s", prefix);
778 remaining_chars = line_length;
779 /* We break on spaces. */
780 token = strtok (line_dup, " ");
781 while (token != NULL)
783 /* If however a token is much larger than the maximum
784 line length, all bets are off and we simply print the
785 token on the next line. */
786 if (remaining_chars <= strlen (token))
788 printf ("\n%*c", TABULATION, ' ');
789 remaining_chars = line_length - TABULATION;
791 printf ("%s ", token);
792 remaining_chars -= strlen (token) + 1; /* account for " " */
793 token = strtok (NULL, " ");
804 const char *wgetrc_title = _("Wgetrc: ");
805 const char *locale_title = _("Locale: ");
806 const char *compile_title = _("Compile: ");
807 const char *link_title = _("Link: ");
808 char *env_wgetrc, *user_wgetrc;
811 printf (_("GNU Wget %s built on %s.\n\n"), version_string, OS_TYPE);
813 for (i = 0; compiled_features[i] != NULL; )
815 int line_length = MAX_CHARS_PER_LINE;
816 while ((line_length > 0) && (compiled_features[i] != NULL))
818 printf ("%s ", compiled_features[i]);
819 line_length -= strlen (compiled_features[i]) + 2;
826 /* Handle the case when $WGETRC is unset and $HOME/.wgetrc is
828 printf ("%s\n", wgetrc_title);
829 env_wgetrc = wgetrc_env_file_name ();
830 if (env_wgetrc && *env_wgetrc)
832 printf (_(" %s (env)\n"), env_wgetrc);
835 user_wgetrc = wgetrc_user_file_name ();
838 printf (_(" %s (user)\n"), user_wgetrc);
842 printf (_(" %s (system)\n"), SYSTEM_WGETRC);
846 format_and_print_line (locale_title,
849 #endif /* def ENABLE_NLS */
851 if (compilation_string != NULL)
852 format_and_print_line (compile_title,
856 if (link_string != NULL)
857 format_and_print_line (link_title,
862 /* TRANSLATORS: When available, an actual copyright character
863 (cirle-c) should be used in preference to "(C)". */
865 Copyright (C) 2009 Free Software Foundation, Inc.\n"), stdout);
867 License GPLv3+: GNU GPL version 3 or later\n\
868 <http://www.gnu.org/licenses/gpl.html>.\n\
869 This is free software: you are free to change and redistribute it.\n\
870 There is NO WARRANTY, to the extent permitted by law.\n"), stdout);
871 /* TRANSLATORS: When available, please use the proper diacritics for
872 names such as this one. See en_US.po for reference. */
873 fputs (_("\nOriginally written by Hrvoje Niksic <hniksic@xemacs.org>.\n"),
875 fputs (_("Please send bug reports and questions to <bug-wget@gnu.org>.\n"),
880 char *program_name; /* Needed by lib/error.c. */
883 main (int argc, char **argv)
886 int i, ret, longindex;
888 bool append_to_log = false;
890 total_downloaded_bytes = 0;
892 program_name = argv[0];
894 struct ptimer *timer = ptimer_new ();
895 double start_time = ptimer_measure (timer);
899 /* Construct the name of the executable, without the directory part. */
901 /* On VMS, lose the "dev:[dir]" prefix and the ".EXE;nnn" suffix. */
902 exec_name = vms_basename (argv[0]);
903 #else /* def __VMS */
904 exec_name = strrchr (argv[0], PATH_SEPARATOR);
909 #endif /* def __VMS [else] */
912 /* Drop extension (typically .EXE) from executable filename. */
913 windows_main ((char **) &exec_name);
916 /* Load the hard-coded defaults. */
921 /* This seperate getopt_long is needed to find the user config
922 and parse it before the other user options. */
925 bool use_userconfig = false;
927 while ((retconf = getopt_long (argc, argv,
928 short_options, long_options, &longindex)) != -1)
931 bool userrc_ret = true;
932 struct cmdline_option *config_opt;
933 confval = long_options[longindex].val;
934 config_opt = &option_data[confval & ~BOOLEAN_NEG_MARKER];
935 if (strcmp (config_opt->long_name, "config") == 0)
937 userrc_ret &= run_wgetrc (optarg);
938 use_userconfig = true;
942 printf ("Exiting due to error in %s\n", optarg);
949 /* If the user did not specify a config, read the system wgetrc and ~/.wgetrc. */
950 if (use_userconfig == false)
957 while ((ret = getopt_long (argc, argv,
958 short_options, long_options, &longindex)) != -1)
961 struct cmdline_option *opt;
963 /* If LONGINDEX is unchanged, it means RET is referring a short
971 printf (_("Try `%s --help' for more options.\n"), exec_name);
974 /* Find the short option character in the mapping. */
975 longindex = optmap[ret - 32];
977 val = long_options[longindex].val;
979 /* Use the retrieved value to locate the option in the
980 option_data array, and to see if we're dealing with the
981 negated "--no-FOO" variant of the boolean option "--foo". */
982 opt = &option_data[val & ~BOOLEAN_NEG_MARKER];
986 setoptval (opt->data, optarg, opt->long_name);
990 /* The user has specified a value -- use it. */
991 setoptval (opt->data, optarg, opt->long_name);
994 /* NEG is true for `--no-FOO' style boolean options. */
995 bool neg = !!(val & BOOLEAN_NEG_MARKER);
996 setoptval (opt->data, neg ? "0" : "1", opt->long_name);
1001 void (*func) (void) = (void (*) (void)) opt->data;
1005 case OPT__APPEND_OUTPUT:
1006 setoptval ("logfile", optarg, opt->long_name);
1007 append_to_log = true;
1010 run_command (optarg);
1014 /* We support real --no-FOO flags now, but keep these
1015 short options for convenience and backward
1018 for (p = optarg; p && *p; p++)
1022 setoptval ("verbose", "0", opt->long_name);
1025 setoptval ("addhostdir", "0", opt->long_name);
1028 setoptval ("dirstruct", "0", opt->long_name);
1031 setoptval ("noclobber", "1", opt->long_name);
1034 setoptval ("noparent", "1", opt->long_name);
1037 fprintf (stderr, _("%s: illegal option -- `-n%c'\n"),
1040 fprintf (stderr, "\n");
1041 fprintf (stderr, _("Try `%s --help' for more options.\n"),
1050 /* The wgetrc commands are named noparent and noclobber,
1051 so we must revert the meaning of the cmdline options
1052 before passing the value to setoptval. */
1055 flag = (*optarg == '1' || c_tolower (*optarg) == 'y'
1056 || (c_tolower (optarg[0]) == 'o'
1057 && c_tolower (optarg[1]) == 'n'));
1058 setoptval (opt->type == OPT__PARENT ? "noparent" : "noclobber",
1059 flag ? "0" : "1", opt->long_name);
1062 case OPT__DONT_REMOVE_LISTING:
1063 setoptval ("removelisting", "0", opt->long_name);
1070 nurl = argc - optind;
1072 /* All user options have now been processed, so it's now safe to do
1073 interoption dependency checks. */
1075 if (opt.noclobber && opt.convert_links)
1078 _("Both --no-clobber and --convert-links were specified,"
1079 "only --convert-links will be used.\n"));
1080 opt.noclobber = false;
1083 if (opt.reclevel == 0)
1084 opt.reclevel = INFINITE_RECURSION; /* see recur.h for commentary */
1086 if (opt.spider || opt.delete_after)
1087 opt.no_dirstruct = true;
1089 if (opt.page_requisites && !opt.recursive)
1091 /* Don't set opt.recursive here because it would confuse the FTP
1092 code. Instead, call retrieve_tree below when either
1093 page_requisites or recursive is requested. */
1095 if (!opt.no_dirstruct)
1096 opt.dirstruct = 1; /* normally handled by cmd_spec_recursive() */
1099 if (opt.verbose == -1)
1100 opt.verbose = !opt.quiet;
1102 /* Sanity checks. */
1103 if (opt.verbose && opt.quiet)
1105 fprintf (stderr, _("Can't be verbose and quiet at the same time.\n"));
1109 if (opt.timestamping && opt.noclobber)
1111 fprintf (stderr, _("\
1112 Can't timestamp and not clobber old files at the same time.\n"));
1117 if (opt.ipv4_only && opt.ipv6_only)
1120 _("Cannot specify both --inet4-only and --inet6-only.\n"));
1125 if (opt.output_document)
1127 if (opt.convert_links
1128 && (nurl > 1 || opt.page_requisites || opt.recursive))
1131 Cannot specify both -k and -O if multiple URLs are given, or in combination\n\
1132 with -p or -r. See the manual for details.\n\n"), stderr);
1136 if (opt.page_requisites
1139 logprintf (LOG_NOTQUIET, "%s", _("\
1140 WARNING: combining -O with -r or -p will mean that all downloaded content\n\
1141 will be placed in the single file you specified.\n\n"));
1143 if (opt.timestamping)
1145 logprintf (LOG_NOTQUIET, "%s", _("\
1146 WARNING: timestamping does nothing in combination with -O. See the manual\n\
1147 for details.\n\n"));
1148 opt.timestamping = false;
1150 if (opt.noclobber && file_exists_p(opt.output_document))
1152 /* Check if output file exists; if it does, exit. */
1153 logprintf (LOG_VERBOSE,
1154 _("File `%s' already there; not retrieving.\n"),
1155 opt.output_document);
1160 if (opt.ask_passwd && opt.passwd)
1163 _("Cannot specify both --ask-password and --password.\n"));
1168 if (!nurl && !opt.input_filename)
1170 /* No URL specified. */
1171 fprintf (stderr, _("%s: missing URL\n"), exec_name);
1174 /* #### Something nicer should be printed here -- similar to the
1175 pre-1.5 `--help' page. */
1176 fprintf (stderr, _("Try `%s --help' for more options.\n"), exec_name);
1183 if (opt.locale && !check_encoding_name (opt.locale))
1187 opt.locale = find_locale ();
1189 if (opt.encoding_remote && !check_encoding_name (opt.encoding_remote))
1190 opt.encoding_remote = NULL;
1193 memset (&dummy_iri, 0, sizeof (dummy_iri));
1194 if (opt.enable_iri || opt.locale || opt.encoding_remote)
1196 /* sXXXav : be more specific... */
1197 fprintf (stderr, _("This version does not have support for IRIs\n"));
1204 opt.passwd = prompt_for_password ();
1206 if (opt.passwd == NULL || opt.passwd[0] == '\0')
1216 fork_to_background ();
1219 /* Initialize progress. Have to do this after the options are
1220 processed so we know where the log file is. */
1222 set_progress_implementation (opt.progress_type);
1224 /* Fill in the arguments. */
1225 url = alloca_array (char *, nurl + 1);
1226 for (i = 0; i < nurl; i++, optind++)
1228 char *rewritten = rewrite_shorthand_url (argv[optind]);
1232 url[i] = xstrdup (argv[optind]);
1236 /* Initialize logging. */
1237 log_init (opt.lfilename, append_to_log);
1239 DEBUGP (("DEBUG output created by Wget %s on %s.\n\n",
1240 version_string, OS_TYPE));
1242 /* Open the output filename if necessary. */
1245 Note that having the output_stream ("-O") file opened here for an FTP
1246 URL rather than in getftp() (ftp.c) (and the http equivalent) rather
1247 limits the ability in VMS to open the file differently for ASCII
1248 versus binary FTP there. (Of course, doing it here allows a open
1249 failure to be detected immediately, without first connecting to the
1252 if (opt.output_document)
1254 if (HYPHENP (opt.output_document))
1257 _setmode (_fileno (stdout), _O_BINARY);
1259 output_stream = stdout;
1266 /* Common fopen() optional arguments:
1267 sequential access only, access callback function.
1269 # define FOPEN_OPT_ARGS , "fop=sqo", "acc", acc_cb, &open_id
1271 #else /* def __VMS */
1272 # define FOPEN_OPT_ARGS
1273 #endif /* def __VMS [else] */
1275 output_stream = fopen (opt.output_document,
1276 opt.always_rest ? "ab" : "wb"
1278 if (output_stream == NULL)
1280 perror (opt.output_document);
1283 if (fstat (fileno (output_stream), &st) == 0 && S_ISREG (st.st_mode))
1284 output_stream_regular = true;
1286 if (!output_stream_regular && opt.convert_links)
1288 fprintf (stderr, _("-k can be used together with -O only if \
1289 outputting to a regular file.\n"));
1296 /* Set global ODS5 flag according to the specified destination (if
1297 any), otherwise according to the current default device.
1299 if (output_stream == NULL)
1300 set_ods5_dest( "SYS$DISK");
1301 else if (output_stream != stdout)
1302 set_ods5_dest( opt.output_document);
1303 #endif /* def __VMS */
1310 /* Setup the signal handler to redirect output when hangup is
1312 if (signal(SIGHUP, SIG_IGN) != SIG_IGN)
1313 signal(SIGHUP, redirect_output_signal);
1315 /* ...and do the same for SIGUSR1. */
1317 signal (SIGUSR1, redirect_output_signal);
1320 /* Writing to a closed socket normally signals SIGPIPE, and the
1321 process exits. What we want is to ignore SIGPIPE and just check
1322 for the return value of write(). */
1323 signal (SIGPIPE, SIG_IGN);
1326 signal (SIGWINCH, progress_handle_sigwinch);
1329 /* Retrieve the URLs from argument list. */
1330 for (t = url; *t; t++)
1332 char *filename = NULL, *redirected_URL = NULL;
1334 /* Need to do a new struct iri every time, because
1335 * retrieve_url may modify it in some circumstances,
1337 struct iri *iri = iri_new ();
1338 struct url *url_parsed;
1340 set_uri_encoding (iri, opt.locale, true);
1341 url_parsed = url_parse (*t, &url_err, iri, true);
1345 char *error = url_error (*t, url_err);
1346 logprintf (LOG_NOTQUIET, "%s: %s.\n",*t, error);
1348 inform_exit_status (URLERROR);
1352 if ((opt.recursive || opt.page_requisites)
1353 && (url_scheme (*t) != SCHEME_FTP || url_uses_proxy (url_parsed)))
1355 int old_follow_ftp = opt.follow_ftp;
1357 /* Turn opt.follow_ftp on in case of recursive FTP retrieval */
1358 if (url_scheme (*t) == SCHEME_FTP)
1361 retrieve_tree (url_parsed, NULL);
1363 opt.follow_ftp = old_follow_ftp;
1367 retrieve_url (url_parsed, *t, &filename, &redirected_URL, NULL,
1368 &dt, opt.recursive, iri, true);
1371 if (opt.delete_after && file_exists_p(filename))
1373 DEBUGP (("Removing file due to --delete-after in main():\n"));
1374 logprintf (LOG_VERBOSE, _("Removing %s.\n"), filename);
1375 if (unlink (filename))
1376 logprintf (LOG_NOTQUIET, "unlink: %s\n", strerror (errno));
1378 xfree_null (redirected_URL);
1379 xfree_null (filename);
1380 url_free (url_parsed);
1385 /* And then from the input file, if any. */
1386 if (opt.input_filename)
1390 status = retrieve_from_file (opt.input_filename, opt.force_html, &count);
1391 inform_exit_status (status);
1393 logprintf (LOG_NOTQUIET, _("No URLs found in %s.\n"),
1394 opt.input_filename);
1397 /* Print broken links. */
1398 if (opt.recursive && opt.spider)
1399 print_broken_links ();
1401 /* Print the downloaded sum. */
1402 if ((opt.recursive || opt.page_requisites
1404 || (opt.input_filename && total_downloaded_bytes != 0))
1406 total_downloaded_bytes != 0)
1408 double end_time = ptimer_measure (timer);
1409 ptimer_destroy (timer);
1411 char *wall_time = xstrdup (secs_to_human_time (end_time - start_time));
1412 char *download_time = xstrdup (secs_to_human_time (total_download_time));
1413 logprintf (LOG_NOTQUIET,
1414 _("FINISHED --%s--\nTotal wall clock time: %s\n"
1415 "Downloaded: %d files, %s in %s (%s)\n"),
1416 datetime_str (time (NULL)),
1419 human_readable (total_downloaded_bytes),
1421 retr_rate (total_downloaded_bytes, total_download_time));
1423 xfree (download_time);
1425 /* Print quota warning, if exceeded. */
1426 if (opt.quota && total_downloaded_bytes > opt.quota)
1427 logprintf (LOG_NOTQUIET,
1428 _("Download quota of %s EXCEEDED!\n"),
1429 human_readable (opt.quota));
1432 if (opt.cookies_output)
1435 if (opt.convert_links && !opt.delete_after)
1436 convert_all_links ();
1439 for (i = 0; i < nurl; i++)
1443 return get_exit_status ();
1445 #endif /* TESTING */
1447 #if defined(SIGHUP) || defined(SIGUSR1)
1449 /* So the signal_name check doesn't blow when only one is available. */
1457 /* Hangup signal handler. When wget receives SIGHUP or SIGUSR1, it
1458 will proceed operation as usual, trying to write into a log file.
1459 If that is impossible, the output will be turned off. */
1462 redirect_output_signal (int sig)
1464 const char *signal_name = (sig == SIGHUP ? "SIGHUP" :
1465 (sig == SIGUSR1 ? "SIGUSR1" :
1467 log_request_redirect_output (signal_name);
1468 progress_schedule_redirect ();
1469 signal (sig, redirect_output_signal);