1 /* Command line parsing.
2 Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
3 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
5 This file is part of GNU Wget.
7 GNU Wget is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
12 GNU Wget is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with Wget. If not, see <http://www.gnu.org/licenses/>.
20 Additional permission under GNU GPL version 3 section 7
22 If you modify this program, or any covered work, by linking or
23 combining it with the OpenSSL project's OpenSSL library (or a
24 modified version of that library), containing parts covered by the
25 terms of the OpenSSL or SSLeay licenses, the Free Software Foundation
26 grants you additional permission to convey the resulting work.
27 Corresponding Source for a non-source form of such a combination
28 shall include the source code for the parts of OpenSSL used as well
29 as that of the covered work. */
37 #endif /* HAVE_UNISTD_H */
53 #include "progress.h" /* for progress_handle_sigwinch */
56 #include "http.h" /* for save_cookies */
62 #ifndef PATH_SEPARATOR
63 # define PATH_SEPARATOR '/'
68 extern char *version_string;
70 #if defined(SIGHUP) || defined(SIGUSR1)
71 static void redirect_output_signal (int);
74 const char *exec_name;
77 /* Initialize I18N/L10N. That amounts to invoking setlocale, and
78 setting up gettext's message catalog using bindtextdomain and
79 textdomain. Does nothing if NLS is disabled or missing. */
82 i18n_initialize (void)
84 /* ENABLE_NLS implies existence of functions invoked here. */
86 /* Set the current locale. */
87 setlocale (LC_ALL, "");
88 /* Set the text message domain. */
89 bindtextdomain ("wget", LOCALEDIR);
91 #endif /* ENABLE_NLS */
94 /* Definition of command-line options. */
96 static void print_help (void);
97 static void print_version (void);
102 # define IF_SSL(x) NULL
106 # define WHEN_DEBUG(x) x
108 # define WHEN_DEBUG(x) NULL
111 struct cmdline_option {
112 const char *long_name;
118 /* Non-standard options that have to be handled specially in
122 OPT__DONT_REMOVE_LISTING,
127 const void *data; /* for standard options */
128 int argtype; /* for non-standard options */
131 static struct cmdline_option option_data[] =
133 { "accept", 'A', OPT_VALUE, "accept", -1 },
134 { "append-output", 'a', OPT__APPEND_OUTPUT, NULL, required_argument },
135 { "ask-password", 0, OPT_BOOLEAN, "askpassword", -1 },
136 { "auth-no-challenge", 0, OPT_BOOLEAN, "authnochallenge", -1 },
137 { "background", 'b', OPT_BOOLEAN, "background", -1 },
138 { "backup-converted", 'K', OPT_BOOLEAN, "backupconverted", -1 },
139 { "backups", 0, OPT_BOOLEAN, "backups", -1 },
140 { "base", 'B', OPT_VALUE, "base", -1 },
141 { "bind-address", 0, OPT_VALUE, "bindaddress", -1 },
142 { IF_SSL ("ca-certificate"), 0, OPT_VALUE, "cacertificate", -1 },
143 { IF_SSL ("ca-directory"), 0, OPT_VALUE, "cadirectory", -1 },
144 { "cache", 0, OPT_BOOLEAN, "cache", -1 },
145 { IF_SSL ("certificate"), 0, OPT_VALUE, "certificate", -1 },
146 { IF_SSL ("certificate-type"), 0, OPT_VALUE, "certificatetype", -1 },
147 { IF_SSL ("check-certificate"), 0, OPT_BOOLEAN, "checkcertificate", -1 },
148 { "clobber", 0, OPT__CLOBBER, NULL, optional_argument },
149 { "connect-timeout", 0, OPT_VALUE, "connecttimeout", -1 },
150 { "continue", 'c', OPT_BOOLEAN, "continue", -1 },
151 { "convert-links", 'k', OPT_BOOLEAN, "convertlinks", -1 },
152 { "content-disposition", 0, OPT_BOOLEAN, "contentdisposition", -1 },
153 { "cookies", 0, OPT_BOOLEAN, "cookies", -1 },
154 { "cut-dirs", 0, OPT_VALUE, "cutdirs", -1 },
155 { WHEN_DEBUG ("debug"), 'd', OPT_BOOLEAN, "debug", -1 },
156 { "delete-after", 0, OPT_BOOLEAN, "deleteafter", -1 },
157 { "directories", 0, OPT_BOOLEAN, "dirstruct", -1 },
158 { "directory-prefix", 'P', OPT_VALUE, "dirprefix", -1 },
159 { "dns-cache", 0, OPT_BOOLEAN, "dnscache", -1 },
160 { "dns-timeout", 0, OPT_VALUE, "dnstimeout", -1 },
161 { "domains", 'D', OPT_VALUE, "domains", -1 },
162 { "dont-remove-listing", 0, OPT__DONT_REMOVE_LISTING, NULL, no_argument },
163 { "dot-style", 0, OPT_VALUE, "dotstyle", -1 },
164 { "egd-file", 0, OPT_VALUE, "egdfile", -1 },
165 { "exclude-directories", 'X', OPT_VALUE, "excludedirectories", -1 },
166 { "exclude-domains", 0, OPT_VALUE, "excludedomains", -1 },
167 { "execute", 'e', OPT__EXECUTE, NULL, required_argument },
168 { "follow-ftp", 0, OPT_BOOLEAN, "followftp", -1 },
169 { "follow-tags", 0, OPT_VALUE, "followtags", -1 },
170 { "force-directories", 'x', OPT_BOOLEAN, "dirstruct", -1 },
171 { "force-html", 'F', OPT_BOOLEAN, "forcehtml", -1 },
172 { "ftp-password", 0, OPT_VALUE, "ftppassword", -1 },
173 { "ftp-user", 0, OPT_VALUE, "ftpuser", -1 },
174 { "glob", 0, OPT_BOOLEAN, "glob", -1 },
175 { "header", 0, OPT_VALUE, "header", -1 },
176 { "help", 'h', OPT_FUNCALL, (void *)print_help, no_argument },
177 { "host-directories", 0, OPT_BOOLEAN, "addhostdir", -1 },
178 { "html-extension", 'E', OPT_BOOLEAN, "htmlextension", -1 },
179 { "htmlify", 0, OPT_BOOLEAN, "htmlify", -1 },
180 { "http-keep-alive", 0, OPT_BOOLEAN, "httpkeepalive", -1 },
181 { "http-passwd", 0, OPT_VALUE, "httppassword", -1 }, /* deprecated */
182 { "http-password", 0, OPT_VALUE, "httppassword", -1 },
183 { "http-user", 0, OPT_VALUE, "httpuser", -1 },
184 { "ignore-case", 0, OPT_BOOLEAN, "ignorecase", -1 },
185 { "ignore-length", 0, OPT_BOOLEAN, "ignorelength", -1 },
186 { "ignore-tags", 0, OPT_VALUE, "ignoretags", -1 },
187 { "include-directories", 'I', OPT_VALUE, "includedirectories", -1 },
189 { "inet4-only", '4', OPT_BOOLEAN, "inet4only", -1 },
190 { "inet6-only", '6', OPT_BOOLEAN, "inet6only", -1 },
192 { "input-file", 'i', OPT_VALUE, "input", -1 },
193 { "keep-session-cookies", 0, OPT_BOOLEAN, "keepsessioncookies", -1 },
194 { "level", 'l', OPT_VALUE, "reclevel", -1 },
195 { "limit-rate", 0, OPT_VALUE, "limitrate", -1 },
196 { "load-cookies", 0, OPT_VALUE, "loadcookies", -1 },
197 { "max-redirect", 0, OPT_VALUE, "maxredirect", -1 },
198 { "mirror", 'm', OPT_BOOLEAN, "mirror", -1 },
199 { "no", 'n', OPT__NO, NULL, required_argument },
200 { "no-clobber", 0, OPT_BOOLEAN, "noclobber", -1 },
201 { "no-parent", 0, OPT_BOOLEAN, "noparent", -1 },
202 { "output-document", 'O', OPT_VALUE, "outputdocument", -1 },
203 { "output-file", 'o', OPT_VALUE, "logfile", -1 },
204 { "page-requisites", 'p', OPT_BOOLEAN, "pagerequisites", -1 },
205 { "parent", 0, OPT__PARENT, NULL, optional_argument },
206 { "passive-ftp", 0, OPT_BOOLEAN, "passiveftp", -1 },
207 { "password", 0, OPT_VALUE, "password", -1 },
208 { "post-data", 0, OPT_VALUE, "postdata", -1 },
209 { "post-file", 0, OPT_VALUE, "postfile", -1 },
210 { "prefer-family", 0, OPT_VALUE, "preferfamily", -1 },
211 { "preserve-permissions", 0, OPT_BOOLEAN, "preservepermissions", -1 },
212 { IF_SSL ("private-key"), 0, OPT_VALUE, "privatekey", -1 },
213 { IF_SSL ("private-key-type"), 0, OPT_VALUE, "privatekeytype", -1 },
214 { "progress", 0, OPT_VALUE, "progress", -1 },
215 { "protocol-directories", 0, OPT_BOOLEAN, "protocoldirectories", -1 },
216 { "proxy", 0, OPT_BOOLEAN, "useproxy", -1 },
217 { "proxy__compat", 'Y', OPT_VALUE, "useproxy", -1 }, /* back-compatible */
218 { "proxy-passwd", 0, OPT_VALUE, "proxypassword", -1 }, /* deprecated */
219 { "proxy-password", 0, OPT_VALUE, "proxypassword", -1 },
220 { "proxy-user", 0, OPT_VALUE, "proxyuser", -1 },
221 { "quiet", 'q', OPT_BOOLEAN, "quiet", -1 },
222 { "quota", 'Q', OPT_VALUE, "quota", -1 },
223 { "random-file", 0, OPT_VALUE, "randomfile", -1 },
224 { "random-wait", 0, OPT_BOOLEAN, "randomwait", -1 },
225 { "read-timeout", 0, OPT_VALUE, "readtimeout", -1 },
226 { "recursive", 'r', OPT_BOOLEAN, "recursive", -1 },
227 { "referer", 0, OPT_VALUE, "referer", -1 },
228 { "reject", 'R', OPT_VALUE, "reject", -1 },
229 { "relative", 'L', OPT_BOOLEAN, "relativeonly", -1 },
230 { "remove-listing", 0, OPT_BOOLEAN, "removelisting", -1 },
231 { "restrict-file-names", 0, OPT_BOOLEAN, "restrictfilenames", -1 },
232 { "retr-symlinks", 0, OPT_BOOLEAN, "retrsymlinks", -1 },
233 { "retry-connrefused", 0, OPT_BOOLEAN, "retryconnrefused", -1 },
234 { "save-cookies", 0, OPT_VALUE, "savecookies", -1 },
235 { "save-headers", 0, OPT_BOOLEAN, "saveheaders", -1 },
236 { IF_SSL ("secure-protocol"), 0, OPT_VALUE, "secureprotocol", -1 },
237 { "server-response", 'S', OPT_BOOLEAN, "serverresponse", -1 },
238 { "span-hosts", 'H', OPT_BOOLEAN, "spanhosts", -1 },
239 { "spider", 0, OPT_BOOLEAN, "spider", -1 },
240 { "strict-comments", 0, OPT_BOOLEAN, "strictcomments", -1 },
241 { "timeout", 'T', OPT_VALUE, "timeout", -1 },
242 { "timestamping", 'N', OPT_BOOLEAN, "timestamping", -1 },
243 { "tries", 't', OPT_VALUE, "tries", -1 },
244 { "user", 0, OPT_VALUE, "user", -1 },
245 { "user-agent", 'U', OPT_VALUE, "useragent", -1 },
246 { "verbose", 'v', OPT_BOOLEAN, "verbose", -1 },
247 { "verbose", 0, OPT_BOOLEAN, "verbose", -1 },
248 { "version", 'V', OPT_FUNCALL, (void *) print_version, no_argument },
249 { "wait", 'w', OPT_VALUE, "wait", -1 },
250 { "waitretry", 0, OPT_VALUE, "waitretry", -1 },
252 { "wdebug", 0, OPT_BOOLEAN, "wdebug", -1 },
259 /* Return a string that contains S with "no-" prepended. The string
260 is NUL-terminated and allocated off static storage at Wget
264 no_prefix (const char *s)
266 static char buffer[1024];
267 static char *p = buffer;
270 int size = 3 + strlen (s) + 1; /* "no-STRING\0" */
271 if (p + size >= buffer + sizeof (buffer))
274 cp[0] = 'n', cp[1] = 'o', cp[2] = '-';
280 /* The arguments that that main passes to getopt_long. */
281 static struct option long_options[2 * countof (option_data) + 1];
282 static char short_options[128];
284 /* Mapping between short option chars and option_data indices. */
285 static unsigned char optmap[96];
287 /* Marker for `--no-FOO' values in long_options. */
288 #define BOOLEAN_NEG_MARKER 1024
290 /* Initialize the long_options array used by getopt_long from the data
296 char *p = short_options;
298 for (i = 0; i < countof (option_data); i++)
300 struct cmdline_option *opt = &option_data[i];
301 struct option *longopt;
304 /* The option is disabled. */
307 longopt = &long_options[o++];
308 longopt->name = opt->long_name;
312 *p++ = opt->short_name;
313 optmap[opt->short_name - 32] = longopt - long_options;
318 longopt->has_arg = required_argument;
323 /* Specify an optional argument for long options, so that
324 --option=off works the same as --no-option, for
325 compatibility with pre-1.10 Wget. However, don't specify
326 optional arguments short-option booleans because they
327 prevent combining of short options. */
328 longopt->has_arg = optional_argument;
329 /* For Boolean options, add the "--no-FOO" variant, which is
330 identical to "--foo", except it has opposite meaning and
331 it doesn't allow an argument. */
332 longopt = &long_options[o++];
333 longopt->name = no_prefix (opt->long_name);
334 longopt->has_arg = no_argument;
335 /* Mask the value so we'll be able to recognize that we're
336 dealing with the false value. */
337 longopt->val = i | BOOLEAN_NEG_MARKER;
340 assert (opt->argtype != -1);
341 longopt->has_arg = opt->argtype;
344 if (longopt->has_arg == required_argument)
346 /* Don't handle optional_argument */
350 /* Terminate short_options. */
352 /* No need for xzero(long_options[o]) because its storage is static
353 and it will be zeroed by default. */
354 assert (o <= countof (long_options));
357 /* Print the usage message. */
361 printf (_("Usage: %s [OPTION]... [URL]...\n"), exec_name);
364 /* Print the help message, describing all the available options. If
365 you add an option, be sure to update this list. */
369 /* We split the help text this way to ease translation of individual
371 static const char *help[] = {
374 Mandatory arguments to long options are mandatory for short options too.\n\n"),
378 -V, --version display the version of Wget and exit.\n"),
380 -h, --help print this help.\n"),
382 -b, --background go to background after startup.\n"),
384 -e, --execute=COMMAND execute a `.wgetrc'-style command.\n"),
388 Logging and input file:\n"),
390 -o, --output-file=FILE log messages to FILE.\n"),
392 -a, --append-output=FILE append messages to FILE.\n"),
395 -d, --debug print lots of debugging information.\n"),
399 --wdebug print Watt-32 debug output.\n"),
402 -q, --quiet quiet (no output).\n"),
404 -v, --verbose be verbose (this is the default).\n"),
406 -nv, --no-verbose turn off verboseness, without being quiet.\n"),
408 -i, --input-file=FILE download URLs found in FILE.\n"),
410 -F, --force-html treat input file as HTML.\n"),
412 -B, --base=URL prepends URL to relative links in -F -i file.\n"),
418 -t, --tries=NUMBER set number of retries to NUMBER (0 unlimits).\n"),
420 --retry-connrefused retry even if connection is refused.\n"),
422 -O, --output-document=FILE write documents to FILE.\n"),
424 -nc, --no-clobber skip downloads that would download to\n\
427 -c, --continue resume getting a partially-downloaded file.\n"),
429 --progress=TYPE select progress gauge type.\n"),
431 -N, --timestamping don't re-retrieve files unless newer than\n\
434 -S, --server-response print server response.\n"),
436 --spider don't download anything.\n"),
438 -T, --timeout=SECONDS set all timeout values to SECONDS.\n"),
440 --dns-timeout=SECS set the DNS lookup timeout to SECS.\n"),
442 --connect-timeout=SECS set the connect timeout to SECS.\n"),
444 --read-timeout=SECS set the read timeout to SECS.\n"),
446 -w, --wait=SECONDS wait SECONDS between retrievals.\n"),
448 --waitretry=SECONDS wait 1..SECONDS between retries of a retrieval.\n"),
450 --random-wait wait from 0...2*WAIT secs between retrievals.\n"),
452 --no-proxy explicitly turn off proxy.\n"),
454 -Q, --quota=NUMBER set retrieval quota to NUMBER.\n"),
456 --bind-address=ADDRESS bind to ADDRESS (hostname or IP) on local host.\n"),
458 --limit-rate=RATE limit download rate to RATE.\n"),
460 --no-dns-cache disable caching DNS lookups.\n"),
462 --restrict-file-names=OS restrict chars in file names to ones OS allows.\n"),
464 --ignore-case ignore case when matching files/directories.\n"),
467 -4, --inet4-only connect only to IPv4 addresses.\n"),
469 -6, --inet6-only connect only to IPv6 addresses.\n"),
471 --prefer-family=FAMILY connect first to addresses of specified family,\n\
472 one of IPv6, IPv4, or none.\n"),
475 --user=USER set both ftp and http user to USER.\n"),
477 --password=PASS set both ftp and http password to PASS.\n"),
479 --ask-password prompt for passwords.\n"),
485 -nd, --no-directories don't create directories.\n"),
487 -x, --force-directories force creation of directories.\n"),
489 -nH, --no-host-directories don't create host directories.\n"),
491 --protocol-directories use protocol name in directories.\n"),
493 -P, --directory-prefix=PREFIX save files to PREFIX/...\n"),
495 --cut-dirs=NUMBER ignore NUMBER remote directory components.\n"),
501 --http-user=USER set http user to USER.\n"),
503 --http-password=PASS set http password to PASS.\n"),
505 --no-cache disallow server-cached data.\n"),
507 -E, --html-extension save HTML documents with `.html' extension.\n"),
509 --ignore-length ignore `Content-Length' header field.\n"),
511 --header=STRING insert STRING among the headers.\n"),
513 --max-redirect maximum redirections allowed per page.\n"),
515 --proxy-user=USER set USER as proxy username.\n"),
517 --proxy-password=PASS set PASS as proxy password.\n"),
519 --referer=URL include `Referer: URL' header in HTTP request.\n"),
521 --save-headers save the HTTP headers to file.\n"),
523 -U, --user-agent=AGENT identify as AGENT instead of Wget/VERSION.\n"),
525 --no-http-keep-alive disable HTTP keep-alive (persistent connections).\n"),
527 --no-cookies don't use cookies.\n"),
529 --load-cookies=FILE load cookies from FILE before session.\n"),
531 --save-cookies=FILE save cookies to FILE after session.\n"),
533 --keep-session-cookies load and save session (non-permanent) cookies.\n"),
535 --post-data=STRING use the POST method; send STRING as the data.\n"),
537 --post-file=FILE use the POST method; send contents of FILE.\n"),
539 --content-disposition honor the Content-Disposition header when\n\
540 choosing local file names (EXPERIMENTAL).\n"),
542 --auth-no-challenge Send Basic HTTP authentication information\n\
543 without first waiting for the server's\n\
549 HTTPS (SSL/TLS) options:\n"),
551 --secure-protocol=PR choose secure protocol, one of auto, SSLv2,\n\
552 SSLv3, and TLSv1.\n"),
554 --no-check-certificate don't validate the server's certificate.\n"),
556 --certificate=FILE client certificate file.\n"),
558 --certificate-type=TYPE client certificate type, PEM or DER.\n"),
560 --private-key=FILE private key file.\n"),
562 --private-key-type=TYPE private key type, PEM or DER.\n"),
564 --ca-certificate=FILE file with the bundle of CA's.\n"),
566 --ca-directory=DIR directory where hash list of CA's is stored.\n"),
568 --random-file=FILE file with random data for seeding the SSL PRNG.\n"),
570 --egd-file=FILE file naming the EGD socket with random data.\n"),
572 #endif /* HAVE_SSL */
577 --ftp-user=USER set ftp user to USER.\n"),
579 --ftp-password=PASS set ftp password to PASS.\n"),
581 --no-remove-listing don't remove `.listing' files.\n"),
583 --no-glob turn off FTP file name globbing.\n"),
585 --no-passive-ftp disable the \"passive\" transfer mode.\n"),
587 --retr-symlinks when recursing, get linked-to files (not dir).\n"),
589 --preserve-permissions preserve remote file permissions.\n"),
593 Recursive download:\n"),
595 -r, --recursive specify recursive download.\n"),
597 -l, --level=NUMBER maximum recursion depth (inf or 0 for infinite).\n"),
599 --delete-after delete files locally after downloading them.\n"),
601 -k, --convert-links make links in downloaded HTML point to local files.\n"),
603 -K, --backup-converted before converting file X, back up as X.orig.\n"),
605 -m, --mirror shortcut for -N -r -l inf --no-remove-listing.\n"),
607 -p, --page-requisites get all images, etc. needed to display HTML page.\n"),
609 --strict-comments turn on strict (SGML) handling of HTML comments.\n"),
613 Recursive accept/reject:\n"),
615 -A, --accept=LIST comma-separated list of accepted extensions.\n"),
617 -R, --reject=LIST comma-separated list of rejected extensions.\n"),
619 -D, --domains=LIST comma-separated list of accepted domains.\n"),
621 --exclude-domains=LIST comma-separated list of rejected domains.\n"),
623 --follow-ftp follow FTP links from HTML documents.\n"),
625 --follow-tags=LIST comma-separated list of followed HTML tags.\n"),
627 --ignore-tags=LIST comma-separated list of ignored HTML tags.\n"),
629 -H, --span-hosts go to foreign hosts when recursive.\n"),
631 -L, --relative follow relative links only.\n"),
633 -I, --include-directories=LIST list of allowed directories.\n"),
635 -X, --exclude-directories=LIST list of excluded directories.\n"),
637 -np, --no-parent don't ascend to the parent directory.\n"),
640 N_("Mail bug reports and suggestions to <bug-wget@gnu.org>.\n")
645 printf (_("GNU Wget %s, a non-interactive network retriever.\n"),
649 for (i = 0; i < countof (help); i++)
650 fputs (_(help[i]), stdout);
655 /* Return a human-readable printed representation of INTERVAL,
656 measured in seconds. */
659 secs_to_human_time (double interval)
662 int secs = (int) (interval + 0.5);
663 int hours, mins, days;
665 days = secs / 86400, secs %= 86400;
666 hours = secs / 3600, secs %= 3600;
667 mins = secs / 60, secs %= 60;
670 sprintf (buf, "%dd %dh %dm %ds", days, hours, mins, secs);
672 sprintf (buf, "%dh %dm %ds", hours, mins, secs);
674 sprintf (buf, "%dm %ds", mins, secs);
676 sprintf (buf, "%ss", print_decimal (interval));
682 prompt_for_password (void)
685 printf (_("Password for user %s: "), quote (opt.user));
687 printf (_("Password: "));
694 printf ("GNU Wget %s\n\n", version_string);
695 /* TRANSLATORS: When available, an actual copyright character
696 (cirle-c) should be used in preference to "(C)". */
698 Copyright (C) 2008 Free Software Foundation, Inc.\n"), stdout);
700 License GPLv3+: GNU GPL version 3 or later\n\
701 <http://www.gnu.org/licenses/gpl.html>.\n\
702 This is free software: you are free to change and redistribute it.\n\
703 There is NO WARRANTY, to the extent permitted by law.\n"), stdout);
704 /* TRANSLATORS: When available, please use the proper diacritics for
705 names such as this one. See en_US.po for reference. */
706 fputs (_("\nOriginally written by Hrvoje Niksic <hniksic@xemacs.org>.\n"),
708 fputs (_("Currently maintained by Micah Cowan <micah@cowan.name>.\n"),
715 main (int argc, char **argv)
718 int i, ret, longindex;
720 bool append_to_log = false;
724 /* Construct the name of the executable, without the directory part. */
725 exec_name = strrchr (argv[0], PATH_SEPARATOR);
732 /* Drop extension (typically .EXE) from executable filename. */
733 windows_main ((char **) &exec_name);
736 /* Set option defaults; read the system wgetrc and ~/.wgetrc. */
741 while ((ret = getopt_long (argc, argv,
742 short_options, long_options, &longindex)) != -1)
745 struct cmdline_option *opt;
747 /* If LONGINDEX is unchanged, it means RET is referring a short
755 printf (_("Try `%s --help' for more options.\n"), exec_name);
758 /* Find the short option character in the mapping. */
759 longindex = optmap[ret - 32];
761 val = long_options[longindex].val;
763 /* Use the retrieved value to locate the option in the
764 option_data array, and to see if we're dealing with the
765 negated "--no-FOO" variant of the boolean option "--foo". */
766 opt = &option_data[val & ~BOOLEAN_NEG_MARKER];
770 setoptval (opt->data, optarg, opt->long_name);
774 /* The user has specified a value -- use it. */
775 setoptval (opt->data, optarg, opt->long_name);
778 /* NEG is true for `--no-FOO' style boolean options. */
779 bool neg = !!(val & BOOLEAN_NEG_MARKER);
780 setoptval (opt->data, neg ? "0" : "1", opt->long_name);
785 void (*func) (void) = (void (*) (void)) opt->data;
789 case OPT__APPEND_OUTPUT:
790 setoptval ("logfile", optarg, opt->long_name);
791 append_to_log = true;
794 run_command (optarg);
798 /* We support real --no-FOO flags now, but keep these
799 short options for convenience and backward
802 for (p = optarg; *p; p++)
806 setoptval ("verbose", "0", opt->long_name);
809 setoptval ("addhostdir", "0", opt->long_name);
812 setoptval ("dirstruct", "0", opt->long_name);
815 setoptval ("noclobber", "1", opt->long_name);
818 setoptval ("noparent", "1", opt->long_name);
821 printf (_("%s: illegal option -- `-n%c'\n"), exec_name, *p);
824 printf (_("Try `%s --help' for more options.\n"), exec_name);
832 /* The wgetrc commands are named noparent and noclobber,
833 so we must revert the meaning of the cmdline options
834 before passing the value to setoptval. */
837 flag = (*optarg == '1' || c_tolower (*optarg) == 'y'
838 || (c_tolower (optarg[0]) == 'o'
839 && c_tolower (optarg[1]) == 'n'));
840 setoptval (opt->type == OPT__PARENT ? "noparent" : "noclobber",
841 flag ? "0" : "1", opt->long_name);
844 case OPT__DONT_REMOVE_LISTING:
845 setoptval ("removelisting", "0", opt->long_name);
852 nurl = argc - optind;
854 /* All user options have now been processed, so it's now safe to do
855 interoption dependency checks. */
857 if (opt.reclevel == 0)
858 opt.reclevel = INFINITE_RECURSION; /* see recur.h for commentary */
860 if (opt.spider || opt.delete_after)
861 opt.no_dirstruct = true;
863 if (opt.page_requisites && !opt.recursive)
865 /* Don't set opt.recursive here because it would confuse the FTP
866 code. Instead, call retrieve_tree below when either
867 page_requisites or recursive is requested. */
869 if (!opt.no_dirstruct)
870 opt.dirstruct = 1; /* normally handled by cmd_spec_recursive() */
873 if (opt.verbose == -1)
874 opt.verbose = !opt.quiet;
877 if (opt.verbose && opt.quiet)
879 printf (_("Can't be verbose and quiet at the same time.\n"));
883 if (opt.timestamping && opt.noclobber)
886 Can't timestamp and not clobber old files at the same time.\n"));
891 if (opt.ipv4_only && opt.ipv6_only)
893 printf (_("Cannot specify both --inet4-only and --inet6-only.\n"));
898 if (opt.output_document)
900 if (opt.convert_links
901 && (nurl > 1 || opt.page_requisites || opt.recursive))
904 Cannot specify both -k and -O if multiple URLs are given, or in combination\n\
905 with -p or -r. See the manual for details.\n\n"), stdout);
909 if (opt.page_requisites
912 logprintf (LOG_NOTQUIET, "%s", _("\
913 WARNING: combining -O with -r or -p will mean that all downloaded content\n\
914 will be placed in the single file you specified.\n\n"));
916 if (opt.timestamping)
918 logprintf (LOG_NOTQUIET, "%s", _("\
919 WARNING: timestamping does nothing in combination with -O. See the manual\n\
921 opt.timestamping = false;
923 if (opt.noclobber && file_exists_p(opt.output_document))
925 /* Check if output file exists; if it does, exit. */
926 logprintf (LOG_VERBOSE, _("File `%s' already there; not retrieving.\n"), opt.output_document);
931 if (opt.ask_passwd && opt.passwd)
933 printf (_("Cannot specify both --ask-password and --password.\n"));
938 if (!nurl && !opt.input_filename)
940 /* No URL specified. */
941 printf (_("%s: missing URL\n"), exec_name);
944 /* #### Something nicer should be printed here -- similar to the
945 pre-1.5 `--help' page. */
946 printf (_("Try `%s --help' for more options.\n"), exec_name);
952 opt.passwd = prompt_for_password ();
954 if (opt.passwd == NULL || opt.passwd[0] == '\0')
964 fork_to_background ();
967 /* Initialize progress. Have to do this after the options are
968 processed so we know where the log file is. */
970 set_progress_implementation (opt.progress_type);
972 /* Fill in the arguments. */
973 url = alloca_array (char *, nurl + 1);
974 for (i = 0; i < nurl; i++, optind++)
976 char *rewritten = rewrite_shorthand_url (argv[optind]);
980 url[i] = xstrdup (argv[optind]);
984 /* Initialize logging. */
985 log_init (opt.lfilename, append_to_log);
987 DEBUGP (("DEBUG output created by Wget %s on %s.\n\n", version_string,
990 /* Open the output filename if necessary. */
991 if (opt.output_document)
993 if (HYPHENP (opt.output_document))
994 output_stream = stdout;
998 output_stream = fopen (opt.output_document,
999 opt.always_rest ? "ab" : "wb");
1000 if (output_stream == NULL)
1002 perror (opt.output_document);
1005 if (fstat (fileno (output_stream), &st) == 0 && S_ISREG (st.st_mode))
1006 output_stream_regular = true;
1015 /* Setup the signal handler to redirect output when hangup is
1017 if (signal(SIGHUP, SIG_IGN) != SIG_IGN)
1018 signal(SIGHUP, redirect_output_signal);
1020 /* ...and do the same for SIGUSR1. */
1022 signal (SIGUSR1, redirect_output_signal);
1025 /* Writing to a closed socket normally signals SIGPIPE, and the
1026 process exits. What we want is to ignore SIGPIPE and just check
1027 for the return value of write(). */
1028 signal (SIGPIPE, SIG_IGN);
1031 signal (SIGWINCH, progress_handle_sigwinch);
1034 status = RETROK; /* initialize it, just-in-case */
1035 /* Retrieve the URLs from argument list. */
1036 for (t = url; *t; t++)
1038 char *filename = NULL, *redirected_URL = NULL;
1041 if ((opt.recursive || opt.page_requisites)
1042 && (url_scheme (*t) != SCHEME_FTP || url_uses_proxy (*t)))
1044 int old_follow_ftp = opt.follow_ftp;
1046 /* Turn opt.follow_ftp on in case of recursive FTP retrieval */
1047 if (url_scheme (*t) == SCHEME_FTP)
1050 status = retrieve_tree (*t);
1052 opt.follow_ftp = old_follow_ftp;
1055 status = retrieve_url (*t, &filename, &redirected_URL, NULL, &dt, opt.recursive);
1057 if (opt.delete_after && file_exists_p(filename))
1059 DEBUGP (("Removing file due to --delete-after in main():\n"));
1060 logprintf (LOG_VERBOSE, _("Removing %s.\n"), filename);
1061 if (unlink (filename))
1062 logprintf (LOG_NOTQUIET, "unlink: %s\n", strerror (errno));
1065 xfree_null (redirected_URL);
1066 xfree_null (filename);
1069 /* And then from the input file, if any. */
1070 if (opt.input_filename)
1073 status = retrieve_from_file (opt.input_filename, opt.force_html, &count);
1075 logprintf (LOG_NOTQUIET, _("No URLs found in %s.\n"),
1076 opt.input_filename);
1079 /* Print broken links. */
1080 if (opt.recursive && opt.spider)
1082 print_broken_links();
1085 /* Print the downloaded sum. */
1086 if ((opt.recursive || opt.page_requisites
1088 || (opt.input_filename && total_downloaded_bytes != 0))
1090 total_downloaded_bytes != 0)
1092 logprintf (LOG_NOTQUIET,
1093 _("FINISHED --%s--\nDownloaded: %d files, %s in %s (%s)\n"),
1094 datetime_str (time (NULL)),
1096 human_readable (total_downloaded_bytes),
1097 secs_to_human_time (total_download_time),
1098 retr_rate (total_downloaded_bytes, total_download_time));
1099 /* Print quota warning, if exceeded. */
1100 if (opt.quota && total_downloaded_bytes > opt.quota)
1101 logprintf (LOG_NOTQUIET,
1102 _("Download quota of %s EXCEEDED!\n"),
1103 human_readable (opt.quota));
1106 if (opt.cookies_output)
1109 if (opt.convert_links && !opt.delete_after)
1110 convert_all_links ();
1113 for (i = 0; i < nurl; i++)
1118 print_malloc_debug_stats ();
1120 if (status == RETROK)
1125 #endif /* TESTING */
1127 #if defined(SIGHUP) || defined(SIGUSR1)
1129 /* So the signal_name check doesn't blow when only one is available. */
1137 /* Hangup signal handler. When wget receives SIGHUP or SIGUSR1, it
1138 will proceed operation as usual, trying to write into a log file.
1139 If that is impossible, the output will be turned off. */
1142 redirect_output_signal (int sig)
1144 const char *signal_name = (sig == SIGHUP ? "SIGHUP" :
1145 (sig == SIGUSR1 ? "SIGUSR1" :
1147 log_request_redirect_output (signal_name);
1148 progress_schedule_redirect ();
1149 signal (sig, redirect_output_signal);