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 */
60 #ifndef PATH_SEPARATOR
61 # define PATH_SEPARATOR '/'
66 extern char *version_string;
68 #if defined(SIGHUP) || defined(SIGUSR1)
69 static void redirect_output_signal (int);
72 const char *exec_name;
75 /* Initialize I18N/L10N. That amounts to invoking setlocale, and
76 setting up gettext's message catalog using bindtextdomain and
77 textdomain. Does nothing if NLS is disabled or missing. */
80 i18n_initialize (void)
82 /* ENABLE_NLS implies existence of functions invoked here. */
84 /* Set the current locale. */
85 setlocale (LC_ALL, "");
86 /* Set the text message domain. */
87 bindtextdomain ("wget", LOCALEDIR);
89 #endif /* ENABLE_NLS */
92 /* Definition of command-line options. */
94 static void print_help (void);
95 static void print_version (void);
100 # define IF_SSL(x) NULL
104 # define WHEN_DEBUG(x) x
106 # define WHEN_DEBUG(x) NULL
109 struct cmdline_option {
110 const char *long_name;
116 /* Non-standard options that have to be handled specially in
120 OPT__DONT_REMOVE_LISTING,
125 const void *data; /* for standard options */
126 int argtype; /* for non-standard options */
129 static struct cmdline_option option_data[] =
131 { "accept", 'A', OPT_VALUE, "accept", -1 },
132 { "append-output", 'a', OPT__APPEND_OUTPUT, NULL, required_argument },
133 { "auth-no-challenge", 0, OPT_BOOLEAN, "authnochallenge", -1 },
134 { "background", 'b', OPT_BOOLEAN, "background", -1 },
135 { "backup-converted", 'K', OPT_BOOLEAN, "backupconverted", -1 },
136 { "backups", 0, OPT_BOOLEAN, "backups", -1 },
137 { "base", 'B', OPT_VALUE, "base", -1 },
138 { "bind-address", 0, OPT_VALUE, "bindaddress", -1 },
139 { IF_SSL ("ca-certificate"), 0, OPT_VALUE, "cacertificate", -1 },
140 { IF_SSL ("ca-directory"), 0, OPT_VALUE, "cadirectory", -1 },
141 { "cache", 0, OPT_BOOLEAN, "cache", -1 },
142 { IF_SSL ("certificate"), 0, OPT_VALUE, "certificate", -1 },
143 { IF_SSL ("certificate-type"), 0, OPT_VALUE, "certificatetype", -1 },
144 { IF_SSL ("check-certificate"), 0, OPT_BOOLEAN, "checkcertificate", -1 },
145 { "clobber", 0, OPT__CLOBBER, NULL, optional_argument },
146 { "connect-timeout", 0, OPT_VALUE, "connecttimeout", -1 },
147 { "continue", 'c', OPT_BOOLEAN, "continue", -1 },
148 { "convert-links", 'k', OPT_BOOLEAN, "convertlinks", -1 },
149 { "content-disposition", 0, OPT_BOOLEAN, "contentdisposition", -1 },
150 { "cookies", 0, OPT_BOOLEAN, "cookies", -1 },
151 { "cut-dirs", 0, OPT_VALUE, "cutdirs", -1 },
152 { WHEN_DEBUG ("debug"), 'd', OPT_BOOLEAN, "debug", -1 },
153 { "delete-after", 0, OPT_BOOLEAN, "deleteafter", -1 },
154 { "directories", 0, OPT_BOOLEAN, "dirstruct", -1 },
155 { "directory-prefix", 'P', OPT_VALUE, "dirprefix", -1 },
156 { "dns-cache", 0, OPT_BOOLEAN, "dnscache", -1 },
157 { "dns-timeout", 0, OPT_VALUE, "dnstimeout", -1 },
158 { "domains", 'D', OPT_VALUE, "domains", -1 },
159 { "dont-remove-listing", 0, OPT__DONT_REMOVE_LISTING, NULL, no_argument },
160 { "dot-style", 0, OPT_VALUE, "dotstyle", -1 },
161 { "egd-file", 0, OPT_VALUE, "egdfile", -1 },
162 { "exclude-directories", 'X', OPT_VALUE, "excludedirectories", -1 },
163 { "exclude-domains", 0, OPT_VALUE, "excludedomains", -1 },
164 { "execute", 'e', OPT__EXECUTE, NULL, required_argument },
165 { "follow-ftp", 0, OPT_BOOLEAN, "followftp", -1 },
166 { "follow-tags", 0, OPT_VALUE, "followtags", -1 },
167 { "force-directories", 'x', OPT_BOOLEAN, "dirstruct", -1 },
168 { "force-html", 'F', OPT_BOOLEAN, "forcehtml", -1 },
169 { "ftp-password", 0, OPT_VALUE, "ftppassword", -1 },
170 { "ftp-user", 0, OPT_VALUE, "ftpuser", -1 },
171 { "glob", 0, OPT_BOOLEAN, "glob", -1 },
172 { "header", 0, OPT_VALUE, "header", -1 },
173 { "help", 'h', OPT_FUNCALL, (void *)print_help, no_argument },
174 { "host-directories", 0, OPT_BOOLEAN, "addhostdir", -1 },
175 { "html-extension", 'E', OPT_BOOLEAN, "htmlextension", -1 },
176 { "htmlify", 0, OPT_BOOLEAN, "htmlify", -1 },
177 { "http-keep-alive", 0, OPT_BOOLEAN, "httpkeepalive", -1 },
178 { "http-passwd", 0, OPT_VALUE, "httppassword", -1 }, /* deprecated */
179 { "http-password", 0, OPT_VALUE, "httppassword", -1 },
180 { "http-user", 0, OPT_VALUE, "httpuser", -1 },
181 { "ignore-case", 0, OPT_BOOLEAN, "ignorecase", -1 },
182 { "ignore-length", 0, OPT_BOOLEAN, "ignorelength", -1 },
183 { "ignore-tags", 0, OPT_VALUE, "ignoretags", -1 },
184 { "include-directories", 'I', OPT_VALUE, "includedirectories", -1 },
186 { "inet4-only", '4', OPT_BOOLEAN, "inet4only", -1 },
187 { "inet6-only", '6', OPT_BOOLEAN, "inet6only", -1 },
189 { "input-file", 'i', OPT_VALUE, "input", -1 },
190 { "keep-session-cookies", 0, OPT_BOOLEAN, "keepsessioncookies", -1 },
191 { "level", 'l', OPT_VALUE, "reclevel", -1 },
192 { "limit-rate", 0, OPT_VALUE, "limitrate", -1 },
193 { "load-cookies", 0, OPT_VALUE, "loadcookies", -1 },
194 { "max-redirect", 0, OPT_VALUE, "maxredirect", -1 },
195 { "mirror", 'm', OPT_BOOLEAN, "mirror", -1 },
196 { "no", 'n', OPT__NO, NULL, required_argument },
197 { "no-clobber", 0, OPT_BOOLEAN, "noclobber", -1 },
198 { "no-parent", 0, OPT_BOOLEAN, "noparent", -1 },
199 { "output-document", 'O', OPT_VALUE, "outputdocument", -1 },
200 { "output-file", 'o', OPT_VALUE, "logfile", -1 },
201 { "page-requisites", 'p', OPT_BOOLEAN, "pagerequisites", -1 },
202 { "parent", 0, OPT__PARENT, NULL, optional_argument },
203 { "passive-ftp", 0, OPT_BOOLEAN, "passiveftp", -1 },
204 { "password", 0, OPT_VALUE, "password", -1 },
205 { "post-data", 0, OPT_VALUE, "postdata", -1 },
206 { "post-file", 0, OPT_VALUE, "postfile", -1 },
207 { "prefer-family", 0, OPT_VALUE, "preferfamily", -1 },
208 { "preserve-permissions", 0, OPT_BOOLEAN, "preservepermissions", -1 },
209 { IF_SSL ("private-key"), 0, OPT_VALUE, "privatekey", -1 },
210 { IF_SSL ("private-key-type"), 0, OPT_VALUE, "privatekeytype", -1 },
211 { "progress", 0, OPT_VALUE, "progress", -1 },
212 { "protocol-directories", 0, OPT_BOOLEAN, "protocoldirectories", -1 },
213 { "proxy", 0, OPT_BOOLEAN, "useproxy", -1 },
214 { "proxy__compat", 'Y', OPT_VALUE, "useproxy", -1 }, /* back-compatible */
215 { "proxy-passwd", 0, OPT_VALUE, "proxypassword", -1 }, /* deprecated */
216 { "proxy-password", 0, OPT_VALUE, "proxypassword", -1 },
217 { "proxy-user", 0, OPT_VALUE, "proxyuser", -1 },
218 { "quiet", 'q', OPT_BOOLEAN, "quiet", -1 },
219 { "quota", 'Q', OPT_VALUE, "quota", -1 },
220 { "random-file", 0, OPT_VALUE, "randomfile", -1 },
221 { "random-wait", 0, OPT_BOOLEAN, "randomwait", -1 },
222 { "read-timeout", 0, OPT_VALUE, "readtimeout", -1 },
223 { "recursive", 'r', OPT_BOOLEAN, "recursive", -1 },
224 { "referer", 0, OPT_VALUE, "referer", -1 },
225 { "reject", 'R', OPT_VALUE, "reject", -1 },
226 { "relative", 'L', OPT_BOOLEAN, "relativeonly", -1 },
227 { "remove-listing", 0, OPT_BOOLEAN, "removelisting", -1 },
228 { "restrict-file-names", 0, OPT_BOOLEAN, "restrictfilenames", -1 },
229 { "retr-symlinks", 0, OPT_BOOLEAN, "retrsymlinks", -1 },
230 { "retry-connrefused", 0, OPT_BOOLEAN, "retryconnrefused", -1 },
231 { "save-cookies", 0, OPT_VALUE, "savecookies", -1 },
232 { "save-headers", 0, OPT_BOOLEAN, "saveheaders", -1 },
233 { IF_SSL ("secure-protocol"), 0, OPT_VALUE, "secureprotocol", -1 },
234 { "server-response", 'S', OPT_BOOLEAN, "serverresponse", -1 },
235 { "span-hosts", 'H', OPT_BOOLEAN, "spanhosts", -1 },
236 { "spider", 0, OPT_BOOLEAN, "spider", -1 },
237 { "strict-comments", 0, OPT_BOOLEAN, "strictcomments", -1 },
238 { "timeout", 'T', OPT_VALUE, "timeout", -1 },
239 { "timestamping", 'N', OPT_BOOLEAN, "timestamping", -1 },
240 { "tries", 't', OPT_VALUE, "tries", -1 },
241 { "user", 0, OPT_VALUE, "user", -1 },
242 { "user-agent", 'U', OPT_VALUE, "useragent", -1 },
243 { "verbose", 'v', OPT_BOOLEAN, "verbose", -1 },
244 { "verbose", 0, OPT_BOOLEAN, "verbose", -1 },
245 { "version", 'V', OPT_FUNCALL, (void *) print_version, no_argument },
246 { "wait", 'w', OPT_VALUE, "wait", -1 },
247 { "waitretry", 0, OPT_VALUE, "waitretry", -1 },
249 { "wdebug", 0, OPT_BOOLEAN, "wdebug", -1 },
256 /* Return a string that contains S with "no-" prepended. The string
257 is NUL-terminated and allocated off static storage at Wget
261 no_prefix (const char *s)
263 static char buffer[1024];
264 static char *p = buffer;
267 int size = 3 + strlen (s) + 1; /* "no-STRING\0" */
268 if (p + size >= buffer + sizeof (buffer))
271 cp[0] = 'n', cp[1] = 'o', cp[2] = '-';
277 /* The arguments that that main passes to getopt_long. */
278 static struct option long_options[2 * countof (option_data) + 1];
279 static char short_options[128];
281 /* Mapping between short option chars and option_data indices. */
282 static unsigned char optmap[96];
284 /* Marker for `--no-FOO' values in long_options. */
285 #define BOOLEAN_NEG_MARKER 1024
287 /* Initialize the long_options array used by getopt_long from the data
293 char *p = short_options;
295 for (i = 0; i < countof (option_data); i++)
297 struct cmdline_option *opt = &option_data[i];
298 struct option *longopt;
301 /* The option is disabled. */
304 longopt = &long_options[o++];
305 longopt->name = opt->long_name;
309 *p++ = opt->short_name;
310 optmap[opt->short_name - 32] = longopt - long_options;
315 longopt->has_arg = required_argument;
320 /* Specify an optional argument for long options, so that
321 --option=off works the same as --no-option, for
322 compatibility with pre-1.10 Wget. However, don't specify
323 optional arguments short-option booleans because they
324 prevent combining of short options. */
325 longopt->has_arg = optional_argument;
326 /* For Boolean options, add the "--no-FOO" variant, which is
327 identical to "--foo", except it has opposite meaning and
328 it doesn't allow an argument. */
329 longopt = &long_options[o++];
330 longopt->name = no_prefix (opt->long_name);
331 longopt->has_arg = no_argument;
332 /* Mask the value so we'll be able to recognize that we're
333 dealing with the false value. */
334 longopt->val = i | BOOLEAN_NEG_MARKER;
337 assert (opt->argtype != -1);
338 longopt->has_arg = opt->argtype;
341 if (longopt->has_arg == required_argument)
343 /* Don't handle optional_argument */
347 /* Terminate short_options. */
349 /* No need for xzero(long_options[o]) because its storage is static
350 and it will be zeroed by default. */
351 assert (o <= countof (long_options));
354 /* Print the usage message. */
358 printf (_("Usage: %s [OPTION]... [URL]...\n"), exec_name);
361 /* Print the help message, describing all the available options. If
362 you add an option, be sure to update this list. */
366 /* We split the help text this way to ease translation of individual
368 static const char *help[] = {
371 Mandatory arguments to long options are mandatory for short options too.\n\n"),
375 -V, --version display the version of Wget and exit.\n"),
377 -h, --help print this help.\n"),
379 -b, --background go to background after startup.\n"),
381 -e, --execute=COMMAND execute a `.wgetrc'-style command.\n"),
385 Logging and input file:\n"),
387 -o, --output-file=FILE log messages to FILE.\n"),
389 -a, --append-output=FILE append messages to FILE.\n"),
392 -d, --debug print lots of debugging information.\n"),
396 --wdebug print Watt-32 debug output.\n"),
399 -q, --quiet quiet (no output).\n"),
401 -v, --verbose be verbose (this is the default).\n"),
403 -nv, --no-verbose turn off verboseness, without being quiet.\n"),
405 -i, --input-file=FILE download URLs found in FILE.\n"),
407 -F, --force-html treat input file as HTML.\n"),
409 -B, --base=URL prepends URL to relative links in -F -i file.\n"),
415 -t, --tries=NUMBER set number of retries to NUMBER (0 unlimits).\n"),
417 --retry-connrefused retry even if connection is refused.\n"),
419 -O, --output-document=FILE write documents to FILE.\n"),
421 -nc, --no-clobber skip downloads that would download to\n\
424 -c, --continue resume getting a partially-downloaded file.\n"),
426 --progress=TYPE select progress gauge type.\n"),
428 -N, --timestamping don't re-retrieve files unless newer than\n\
431 -S, --server-response print server response.\n"),
433 --spider don't download anything.\n"),
435 -T, --timeout=SECONDS set all timeout values to SECONDS.\n"),
437 --dns-timeout=SECS set the DNS lookup timeout to SECS.\n"),
439 --connect-timeout=SECS set the connect timeout to SECS.\n"),
441 --read-timeout=SECS set the read timeout to SECS.\n"),
443 -w, --wait=SECONDS wait SECONDS between retrievals.\n"),
445 --waitretry=SECONDS wait 1..SECONDS between retries of a retrieval.\n"),
447 --random-wait wait from 0...2*WAIT secs between retrievals.\n"),
449 --no-proxy explicitly turn off proxy.\n"),
451 -Q, --quota=NUMBER set retrieval quota to NUMBER.\n"),
453 --bind-address=ADDRESS bind to ADDRESS (hostname or IP) on local host.\n"),
455 --limit-rate=RATE limit download rate to RATE.\n"),
457 --no-dns-cache disable caching DNS lookups.\n"),
459 --restrict-file-names=OS restrict chars in file names to ones OS allows.\n"),
461 --ignore-case ignore case when matching files/directories.\n"),
464 -4, --inet4-only connect only to IPv4 addresses.\n"),
466 -6, --inet6-only connect only to IPv6 addresses.\n"),
468 --prefer-family=FAMILY connect first to addresses of specified family,\n\
469 one of IPv6, IPv4, or none.\n"),
472 --user=USER set both ftp and http user to USER.\n"),
474 --password=PASS set both ftp and http password to PASS.\n"),
480 -nd, --no-directories don't create directories.\n"),
482 -x, --force-directories force creation of directories.\n"),
484 -nH, --no-host-directories don't create host directories.\n"),
486 --protocol-directories use protocol name in directories.\n"),
488 -P, --directory-prefix=PREFIX save files to PREFIX/...\n"),
490 --cut-dirs=NUMBER ignore NUMBER remote directory components.\n"),
496 --http-user=USER set http user to USER.\n"),
498 --http-password=PASS set http password to PASS.\n"),
500 --no-cache disallow server-cached data.\n"),
502 -E, --html-extension save HTML documents with `.html' extension.\n"),
504 --ignore-length ignore `Content-Length' header field.\n"),
506 --header=STRING insert STRING among the headers.\n"),
508 --max-redirect maximum redirections allowed per page.\n"),
510 --proxy-user=USER set USER as proxy username.\n"),
512 --proxy-password=PASS set PASS as proxy password.\n"),
514 --referer=URL include `Referer: URL' header in HTTP request.\n"),
516 --save-headers save the HTTP headers to file.\n"),
518 -U, --user-agent=AGENT identify as AGENT instead of Wget/VERSION.\n"),
520 --no-http-keep-alive disable HTTP keep-alive (persistent connections).\n"),
522 --no-cookies don't use cookies.\n"),
524 --load-cookies=FILE load cookies from FILE before session.\n"),
526 --save-cookies=FILE save cookies to FILE after session.\n"),
528 --keep-session-cookies load and save session (non-permanent) cookies.\n"),
530 --post-data=STRING use the POST method; send STRING as the data.\n"),
532 --post-file=FILE use the POST method; send contents of FILE.\n"),
534 --content-disposition honor the Content-Disposition header when\n\
535 choosing local file names (EXPERIMENTAL).\n"),
537 --auth-no-challenge Send Basic HTTP authentication information\n\
538 without first waiting for the server's\n\
544 HTTPS (SSL/TLS) options:\n"),
546 --secure-protocol=PR choose secure protocol, one of auto, SSLv2,\n\
547 SSLv3, and TLSv1.\n"),
549 --no-check-certificate don't validate the server's certificate.\n"),
551 --certificate=FILE client certificate file.\n"),
553 --certificate-type=TYPE client certificate type, PEM or DER.\n"),
555 --private-key=FILE private key file.\n"),
557 --private-key-type=TYPE private key type, PEM or DER.\n"),
559 --ca-certificate=FILE file with the bundle of CA's.\n"),
561 --ca-directory=DIR directory where hash list of CA's is stored.\n"),
563 --random-file=FILE file with random data for seeding the SSL PRNG.\n"),
565 --egd-file=FILE file naming the EGD socket with random data.\n"),
567 #endif /* HAVE_SSL */
572 --ftp-user=USER set ftp user to USER.\n"),
574 --ftp-password=PASS set ftp password to PASS.\n"),
576 --no-remove-listing don't remove `.listing' files.\n"),
578 --no-glob turn off FTP file name globbing.\n"),
580 --no-passive-ftp disable the \"passive\" transfer mode.\n"),
582 --retr-symlinks when recursing, get linked-to files (not dir).\n"),
584 --preserve-permissions preserve remote file permissions.\n"),
588 Recursive download:\n"),
590 -r, --recursive specify recursive download.\n"),
592 -l, --level=NUMBER maximum recursion depth (inf or 0 for infinite).\n"),
594 --delete-after delete files locally after downloading them.\n"),
596 -k, --convert-links make links in downloaded HTML or CSS point to\n\
599 -K, --backup-converted before converting file X, back up as X.orig.\n"),
601 -m, --mirror shortcut for -N -r -l inf --no-remove-listing.\n"),
603 -p, --page-requisites get all images, etc. needed to display HTML page.\n"),
605 --strict-comments turn on strict (SGML) handling of HTML comments.\n"),
609 Recursive accept/reject:\n"),
611 -A, --accept=LIST comma-separated list of accepted extensions.\n"),
613 -R, --reject=LIST comma-separated list of rejected extensions.\n"),
615 -D, --domains=LIST comma-separated list of accepted domains.\n"),
617 --exclude-domains=LIST comma-separated list of rejected domains.\n"),
619 --follow-ftp follow FTP links from HTML documents.\n"),
621 --follow-tags=LIST comma-separated list of followed HTML tags.\n"),
623 --ignore-tags=LIST comma-separated list of ignored HTML tags.\n"),
625 -H, --span-hosts go to foreign hosts when recursive.\n"),
627 -L, --relative follow relative links only.\n"),
629 -I, --include-directories=LIST list of allowed directories.\n"),
631 -X, --exclude-directories=LIST list of excluded directories.\n"),
633 -np, --no-parent don't ascend to the parent directory.\n"),
636 N_("Mail bug reports and suggestions to <bug-wget@gnu.org>.\n")
641 printf (_("GNU Wget %s, a non-interactive network retriever.\n"),
645 for (i = 0; i < countof (help); i++)
646 fputs (_(help[i]), stdout);
651 /* Return a human-readable printed representation of INTERVAL,
652 measured in seconds. */
655 secs_to_human_time (double interval)
658 int secs = (int) (interval + 0.5);
659 int hours, mins, days;
661 days = secs / 86400, secs %= 86400;
662 hours = secs / 3600, secs %= 3600;
663 mins = secs / 60, secs %= 60;
666 sprintf (buf, "%dd %dh %dm %ds", days, hours, mins, secs);
668 sprintf (buf, "%dh %dm %ds", hours, mins, secs);
670 sprintf (buf, "%dm %ds", mins, secs);
672 sprintf (buf, "%ss", print_decimal (interval));
680 printf ("GNU Wget %s\n\n", version_string);
681 /* TRANSLATORS: When available, an actual copyright character
682 (cirle-c) should be used in preference to "(C)". */
684 Copyright (C) 2008 Free Software Foundation, Inc.\n"), stdout);
686 License GPLv3+: GNU GPL version 3 or later\n\
687 <http://www.gnu.org/licenses/gpl.html>.\n\
688 This is free software: you are free to change and redistribute it.\n\
689 There is NO WARRANTY, to the extent permitted by law.\n"), stdout);
690 /* TRANSLATORS: When available, please use the proper diacritics for
691 names such as this one. See en_US.po for reference. */
692 fputs (_("\nOriginally written by Hrvoje Niksic <hniksic@xemacs.org>.\n"),
694 fputs (_("Currently maintained by Micah Cowan <micah@cowan.name>.\n"),
701 main (int argc, char **argv)
704 int i, ret, longindex;
706 bool append_to_log = false;
710 /* Construct the name of the executable, without the directory part. */
711 exec_name = strrchr (argv[0], PATH_SEPARATOR);
718 /* Drop extension (typically .EXE) from executable filename. */
719 windows_main ((char **) &exec_name);
722 /* Set option defaults; read the system wgetrc and ~/.wgetrc. */
727 while ((ret = getopt_long (argc, argv,
728 short_options, long_options, &longindex)) != -1)
731 struct cmdline_option *opt;
733 /* If LONGINDEX is unchanged, it means RET is referring a short
741 printf (_("Try `%s --help' for more options.\n"), exec_name);
744 /* Find the short option character in the mapping. */
745 longindex = optmap[ret - 32];
747 val = long_options[longindex].val;
749 /* Use the retrieved value to locate the option in the
750 option_data array, and to see if we're dealing with the
751 negated "--no-FOO" variant of the boolean option "--foo". */
752 opt = &option_data[val & ~BOOLEAN_NEG_MARKER];
756 setoptval (opt->data, optarg, opt->long_name);
760 /* The user has specified a value -- use it. */
761 setoptval (opt->data, optarg, opt->long_name);
764 /* NEG is true for `--no-FOO' style boolean options. */
765 bool neg = !!(val & BOOLEAN_NEG_MARKER);
766 setoptval (opt->data, neg ? "0" : "1", opt->long_name);
771 void (*func) (void) = (void (*) (void)) opt->data;
775 case OPT__APPEND_OUTPUT:
776 setoptval ("logfile", optarg, opt->long_name);
777 append_to_log = true;
780 run_command (optarg);
784 /* We support real --no-FOO flags now, but keep these
785 short options for convenience and backward
788 for (p = optarg; *p; p++)
792 setoptval ("verbose", "0", opt->long_name);
795 setoptval ("addhostdir", "0", opt->long_name);
798 setoptval ("dirstruct", "0", opt->long_name);
801 setoptval ("noclobber", "1", opt->long_name);
804 setoptval ("noparent", "1", opt->long_name);
807 printf (_("%s: illegal option -- `-n%c'\n"), exec_name, *p);
810 printf (_("Try `%s --help' for more options.\n"), exec_name);
818 /* The wgetrc commands are named noparent and noclobber,
819 so we must revert the meaning of the cmdline options
820 before passing the value to setoptval. */
823 flag = (*optarg == '1' || c_tolower (*optarg) == 'y'
824 || (c_tolower (optarg[0]) == 'o'
825 && c_tolower (optarg[1]) == 'n'));
826 setoptval (opt->type == OPT__PARENT ? "noparent" : "noclobber",
827 flag ? "0" : "1", opt->long_name);
830 case OPT__DONT_REMOVE_LISTING:
831 setoptval ("removelisting", "0", opt->long_name);
838 nurl = argc - optind;
840 /* All user options have now been processed, so it's now safe to do
841 interoption dependency checks. */
843 if (opt.reclevel == 0)
844 opt.reclevel = INFINITE_RECURSION; /* see recur.h for commentary */
846 if (opt.spider || opt.delete_after)
847 opt.no_dirstruct = true;
849 if (opt.page_requisites && !opt.recursive)
851 /* Don't set opt.recursive here because it would confuse the FTP
852 code. Instead, call retrieve_tree below when either
853 page_requisites or recursive is requested. */
855 if (!opt.no_dirstruct)
856 opt.dirstruct = 1; /* normally handled by cmd_spec_recursive() */
859 if (opt.verbose == -1)
860 opt.verbose = !opt.quiet;
863 if (opt.verbose && opt.quiet)
865 printf (_("Can't be verbose and quiet at the same time.\n"));
869 if (opt.timestamping && opt.noclobber)
872 Can't timestamp and not clobber old files at the same time.\n"));
877 if (opt.ipv4_only && opt.ipv6_only)
879 printf (_("Cannot specify both --inet4-only and --inet6-only.\n"));
884 if (opt.output_document
885 && (opt.page_requisites
887 || opt.timestamping))
889 printf (_("Cannot specify -r, -p or -N if -O is given.\n"));
893 if (opt.output_document
897 printf (_("Cannot specify both -k and -O if multiple URLs are given.\n"));
902 if (!nurl && !opt.input_filename)
904 /* No URL specified. */
905 printf (_("%s: missing URL\n"), exec_name);
908 /* #### Something nicer should be printed here -- similar to the
909 pre-1.5 `--help' page. */
910 printf (_("Try `%s --help' for more options.\n"), exec_name);
920 fork_to_background ();
923 /* Initialize progress. Have to do this after the options are
924 processed so we know where the log file is. */
926 set_progress_implementation (opt.progress_type);
928 /* Fill in the arguments. */
929 url = alloca_array (char *, nurl + 1);
930 for (i = 0; i < nurl; i++, optind++)
932 char *rewritten = rewrite_shorthand_url (argv[optind]);
936 url[i] = xstrdup (argv[optind]);
940 /* Initialize logging. */
941 log_init (opt.lfilename, append_to_log);
943 DEBUGP (("DEBUG output created by Wget %s on %s.\n\n", version_string,
946 /* Open the output filename if necessary. */
947 if (opt.output_document)
949 if (HYPHENP (opt.output_document))
950 output_stream = stdout;
954 output_stream = fopen (opt.output_document,
955 opt.always_rest ? "ab" : "wb");
956 if (output_stream == NULL)
958 perror (opt.output_document);
961 if (fstat (fileno (output_stream), &st) == 0 && S_ISREG (st.st_mode))
962 output_stream_regular = true;
971 /* Setup the signal handler to redirect output when hangup is
973 if (signal(SIGHUP, SIG_IGN) != SIG_IGN)
974 signal(SIGHUP, redirect_output_signal);
976 /* ...and do the same for SIGUSR1. */
978 signal (SIGUSR1, redirect_output_signal);
981 /* Writing to a closed socket normally signals SIGPIPE, and the
982 process exits. What we want is to ignore SIGPIPE and just check
983 for the return value of write(). */
984 signal (SIGPIPE, SIG_IGN);
987 signal (SIGWINCH, progress_handle_sigwinch);
990 status = RETROK; /* initialize it, just-in-case */
991 /* Retrieve the URLs from argument list. */
992 for (t = url; *t; t++)
994 char *filename = NULL, *redirected_URL = NULL;
997 if ((opt.recursive || opt.page_requisites)
998 && (url_scheme (*t) != SCHEME_FTP || url_uses_proxy (*t)))
1000 int old_follow_ftp = opt.follow_ftp;
1002 /* Turn opt.follow_ftp on in case of recursive FTP retrieval */
1003 if (url_scheme (*t) == SCHEME_FTP)
1006 status = retrieve_tree (*t);
1008 opt.follow_ftp = old_follow_ftp;
1011 status = retrieve_url (*t, &filename, &redirected_URL, NULL, &dt, opt.recursive);
1013 if (opt.delete_after && file_exists_p(filename))
1015 DEBUGP (("Removing file due to --delete-after in main():\n"));
1016 logprintf (LOG_VERBOSE, _("Removing %s.\n"), filename);
1017 if (unlink (filename))
1018 logprintf (LOG_NOTQUIET, "unlink: %s\n", strerror (errno));
1021 xfree_null (redirected_URL);
1022 xfree_null (filename);
1025 /* And then from the input file, if any. */
1026 if (opt.input_filename)
1029 status = retrieve_from_file (opt.input_filename, opt.force_html, &count);
1031 logprintf (LOG_NOTQUIET, _("No URLs found in %s.\n"),
1032 opt.input_filename);
1035 /* Print broken links. */
1036 if (opt.recursive && opt.spider)
1038 print_broken_links();
1041 /* Print the downloaded sum. */
1042 if ((opt.recursive || opt.page_requisites
1044 || (opt.input_filename && total_downloaded_bytes != 0))
1046 total_downloaded_bytes != 0)
1048 logprintf (LOG_NOTQUIET,
1049 _("FINISHED --%s--\nDownloaded: %d files, %s in %s (%s)\n"),
1050 datetime_str (time (NULL)),
1052 human_readable (total_downloaded_bytes),
1053 secs_to_human_time (total_download_time),
1054 retr_rate (total_downloaded_bytes, total_download_time));
1055 /* Print quota warning, if exceeded. */
1056 if (opt.quota && total_downloaded_bytes > opt.quota)
1057 logprintf (LOG_NOTQUIET,
1058 _("Download quota of %s EXCEEDED!\n"),
1059 human_readable (opt.quota));
1062 if (opt.cookies_output)
1065 if (opt.convert_links && !opt.delete_after)
1066 convert_all_links ();
1069 for (i = 0; i < nurl; i++)
1074 print_malloc_debug_stats ();
1076 if (status == RETROK)
1081 #endif /* TESTING */
1083 #if defined(SIGHUP) || defined(SIGUSR1)
1085 /* So the signal_name check doesn't blow when only one is available. */
1093 /* Hangup signal handler. When wget receives SIGHUP or SIGUSR1, it
1094 will proceed operation as usual, trying to write into a log file.
1095 If that is impossible, the output will be turned off. */
1098 redirect_output_signal (int sig)
1100 const char *signal_name = (sig == SIGHUP ? "SIGHUP" :
1101 (sig == SIGUSR1 ? "SIGUSR1" :
1103 log_request_redirect_output (signal_name);
1104 progress_schedule_redirect ();
1105 signal (sig, redirect_output_signal);