1 /* Command line parsing.
2 Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
3 2004, 2005, 2006, 2007 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 In addition, as a special exception, the Free Software Foundation
21 gives permission to link the code of its release of Wget with the
22 OpenSSL project's "OpenSSL" library (or with modified versions of it
23 that use the same license as the "OpenSSL" library), and distribute
24 the linked executables. You must obey the GNU General Public License
25 in all respects for all of the code used other than "OpenSSL". If you
26 modify this file, you may extend this exception to your version of the
27 file, but you are not obligated to do so. If you do not wish to do
28 so, delete this exception statement from your version. */
36 #endif /* HAVE_UNISTD_H */
53 #include "progress.h" /* for progress_handle_sigwinch */
56 #include "http.h" /* for save_cookies */
58 /* On GNU system this will include system-wide getopt.h. */
61 #ifndef PATH_SEPARATOR
62 # define PATH_SEPARATOR '/'
67 extern char *version_string;
69 #if defined(SIGHUP) || defined(SIGUSR1)
70 static void redirect_output_signal (int);
73 const char *exec_name;
76 /* Initialize I18N/L10N. That amounts to invoking setlocale, and
77 setting up gettext's message catalog using bindtextdomain and
78 textdomain. Does nothing if NLS is disabled or missing. */
81 i18n_initialize (void)
83 /* HAVE_NLS implies existence of functions invoked here. */
85 /* Set the current locale. */
86 setlocale (LC_ALL, "");
87 /* Set the text message domain. */
88 bindtextdomain ("wget", LOCALEDIR);
93 /* Definition of command-line options. */
95 static void print_help (void);
96 static void print_version (void);
101 # define IF_SSL(x) NULL
105 # define WHEN_DEBUG(x) x
107 # define WHEN_DEBUG(x) NULL
110 struct cmdline_option {
111 const char *long_name;
117 /* Non-standard options that have to be handled specially in
121 OPT__DONT_REMOVE_LISTING,
126 const void *data; /* for standard options */
127 int argtype; /* for non-standard options */
130 static struct cmdline_option option_data[] =
132 { "accept", 'A', OPT_VALUE, "accept", -1 },
133 { "append-output", 'a', OPT__APPEND_OUTPUT, NULL, required_argument },
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 -Y, --proxy explicitly turn on proxy.\n"),
451 --no-proxy explicitly turn off proxy.\n"),
453 -Q, --quota=NUMBER set retrieval quota to NUMBER.\n"),
455 --bind-address=ADDRESS bind to ADDRESS (hostname or IP) on local host.\n"),
457 --limit-rate=RATE limit download rate to RATE.\n"),
459 --no-dns-cache disable caching DNS lookups.\n"),
461 --restrict-file-names=OS restrict chars in file names to ones OS allows.\n"),
463 --ignore-case ignore case when matching files/directories.\n"),
466 -4, --inet4-only connect only to IPv4 addresses.\n"),
468 -6, --inet6-only connect only to IPv6 addresses.\n"),
470 --prefer-family=FAMILY connect first to addresses of specified family,\n\
471 one of IPv6, IPv4, or none.\n"),
474 --user=USER set both ftp and http user to USER.\n"),
476 --password=PASS set both ftp and http password to PASS.\n"),
482 -nd, --no-directories don't create directories.\n"),
484 -x, --force-directories force creation of directories.\n"),
486 -nH, --no-host-directories don't create host directories.\n"),
488 --protocol-directories use protocol name in directories.\n"),
490 -P, --directory-prefix=PREFIX save files to PREFIX/...\n"),
492 --cut-dirs=NUMBER ignore NUMBER remote directory components.\n"),
498 --http-user=USER set http user to USER.\n"),
500 --http-password=PASS set http password to PASS.\n"),
502 --no-cache disallow server-cached data.\n"),
504 -E, --html-extension save HTML documents with `.html' extension.\n"),
506 --ignore-length ignore `Content-Length' header field.\n"),
508 --header=STRING insert STRING among the headers.\n"),
510 --max-redirect maximum redirections allowed per page.\n"),
512 --proxy-user=USER set USER as proxy username.\n"),
514 --proxy-password=PASS set PASS as proxy password.\n"),
516 --referer=URL include `Referer: URL' header in HTTP request.\n"),
518 --save-headers save the HTTP headers to file.\n"),
520 -U, --user-agent=AGENT identify as AGENT instead of Wget/VERSION.\n"),
522 --no-http-keep-alive disable HTTP keep-alive (persistent connections).\n"),
524 --no-cookies don't use cookies.\n"),
526 --load-cookies=FILE load cookies from FILE before session.\n"),
528 --save-cookies=FILE save cookies to FILE after session.\n"),
530 --keep-session-cookies load and save session (non-permanent) cookies.\n"),
532 --post-data=STRING use the POST method; send STRING as the data.\n"),
534 --post-file=FILE use the POST method; send contents of FILE.\n"),
536 --no-content-disposition don't honor Content-Disposition header.\n"),
541 HTTPS (SSL/TLS) options:\n"),
543 --secure-protocol=PR choose secure protocol, one of auto, SSLv2,\n\
544 SSLv3, and TLSv1.\n"),
546 --no-check-certificate don't validate the server's certificate.\n"),
548 --certificate=FILE client certificate file.\n"),
550 --certificate-type=TYPE client certificate type, PEM or DER.\n"),
552 --private-key=FILE private key file.\n"),
554 --private-key-type=TYPE private key type, PEM or DER.\n"),
556 --ca-certificate=FILE file with the bundle of CA's.\n"),
558 --ca-directory=DIR directory where hash list of CA's is stored.\n"),
560 --random-file=FILE file with random data for seeding the SSL PRNG.\n"),
562 --egd-file=FILE file naming the EGD socket with random data.\n"),
564 #endif /* HAVE_SSL */
569 --ftp-user=USER set ftp user to USER.\n"),
571 --ftp-password=PASS set ftp password to PASS.\n"),
573 --no-remove-listing don't remove `.listing' files.\n"),
575 --no-glob turn off FTP file name globbing.\n"),
577 --no-passive-ftp disable the \"passive\" transfer mode.\n"),
579 --retr-symlinks when recursing, get linked-to files (not dir).\n"),
581 --preserve-permissions preserve remote file permissions.\n"),
585 Recursive download:\n"),
587 -r, --recursive specify recursive download.\n"),
589 -l, --level=NUMBER maximum recursion depth (inf or 0 for infinite).\n"),
591 --delete-after delete files locally after downloading them.\n"),
593 -k, --convert-links make links in downloaded HTML point to local files.\n"),
595 -K, --backup-converted before converting file X, back up as X.orig.\n"),
597 -m, --mirror shortcut for -N -r -l inf --no-remove-listing.\n"),
599 -p, --page-requisites get all images, etc. needed to display HTML page.\n"),
601 --strict-comments turn on strict (SGML) handling of HTML comments.\n"),
605 Recursive accept/reject:\n"),
607 -A, --accept=LIST comma-separated list of accepted extensions.\n"),
609 -R, --reject=LIST comma-separated list of rejected extensions.\n"),
611 -D, --domains=LIST comma-separated list of accepted domains.\n"),
613 --exclude-domains=LIST comma-separated list of rejected domains.\n"),
615 --follow-ftp follow FTP links from HTML documents.\n"),
617 --follow-tags=LIST comma-separated list of followed HTML tags.\n"),
619 --ignore-tags=LIST comma-separated list of ignored HTML tags.\n"),
621 -H, --span-hosts go to foreign hosts when recursive.\n"),
623 -L, --relative follow relative links only.\n"),
625 -I, --include-directories=LIST list of allowed directories.\n"),
627 -X, --exclude-directories=LIST list of excluded directories.\n"),
629 -np, --no-parent don't ascend to the parent directory.\n"),
632 N_("Mail bug reports and suggestions to <bug-wget@gnu.org>.\n")
637 printf (_("GNU Wget %s, a non-interactive network retriever.\n"),
641 for (i = 0; i < countof (help); i++)
642 fputs (_(help[i]), stdout);
647 /* Return a human-readable printed representation of INTERVAL,
648 measured in seconds. */
651 secs_to_human_time (double interval)
654 int secs = (int) (interval + 0.5);
655 int hours, mins, days;
657 days = secs / 86400, secs %= 86400;
658 hours = secs / 3600, secs %= 3600;
659 mins = secs / 60, secs %= 60;
662 sprintf (buf, "%dd %dh %dm %ds", days, hours, mins, secs);
664 sprintf (buf, "%dh %dm %ds", hours, mins, secs);
666 sprintf (buf, "%dm %ds", mins, secs);
668 sprintf (buf, "%ss", print_decimal (interval));
676 printf ("GNU Wget %s\n\n", version_string);
678 Copyright (C) 2007 Free Software Foundation, Inc.\n"), stdout);
680 License GPLv3+: GNU GPL version 3 or later\n\
681 <http://www.gnu.org/licenses/gpl.html>.\n\
682 This is free software: you are free to change and redistribute it.\n\
683 There is NO WARRANTY, to the extent permitted by law.\n"), stdout);
684 fputs (_("\nOriginally written by Hrvoje Niksic <hniksic@xemacs.org>.\n"),
686 fputs (_("Currently maintained by Micah Cowan <micah@cowan.name>.\n"),
693 main (int argc, char *const *argv)
696 int i, ret, longindex;
698 bool append_to_log = false;
702 /* Construct the name of the executable, without the directory part. */
703 exec_name = strrchr (argv[0], PATH_SEPARATOR);
710 /* Drop extension (typically .EXE) from executable filename. */
711 windows_main (&argc, (char **) argv, (char **) &exec_name);
714 /* Set option defaults; read the system wgetrc and ~/.wgetrc. */
719 while ((ret = getopt_long (argc, argv,
720 short_options, long_options, &longindex)) != -1)
723 struct cmdline_option *opt;
725 /* If LONGINDEX is unchanged, it means RET is referring a short
733 printf (_("Try `%s --help' for more options.\n"), exec_name);
736 /* Find the short option character in the mapping. */
737 longindex = optmap[ret - 32];
739 val = long_options[longindex].val;
741 /* Use the retrieved value to locate the option in the
742 option_data array, and to see if we're dealing with the
743 negated "--no-FOO" variant of the boolean option "--foo". */
744 opt = &option_data[val & ~BOOLEAN_NEG_MARKER];
748 setoptval (opt->data, optarg, opt->long_name);
752 /* The user has specified a value -- use it. */
753 setoptval (opt->data, optarg, opt->long_name);
756 /* NEG is true for `--no-FOO' style boolean options. */
757 bool neg = !!(val & BOOLEAN_NEG_MARKER);
758 setoptval (opt->data, neg ? "0" : "1", opt->long_name);
763 void (*func) (void) = (void (*) (void)) opt->data;
767 case OPT__APPEND_OUTPUT:
768 setoptval ("logfile", optarg, opt->long_name);
769 append_to_log = true;
772 run_command (optarg);
776 /* We support real --no-FOO flags now, but keep these
777 short options for convenience and backward
780 for (p = optarg; *p; p++)
784 setoptval ("verbose", "0", opt->long_name);
787 setoptval ("addhostdir", "0", opt->long_name);
790 setoptval ("dirstruct", "0", opt->long_name);
793 setoptval ("noclobber", "1", opt->long_name);
796 setoptval ("noparent", "1", opt->long_name);
799 printf (_("%s: illegal option -- `-n%c'\n"), exec_name, *p);
802 printf (_("Try `%s --help' for more options.\n"), exec_name);
810 /* The wgetrc commands are named noparent and noclobber,
811 so we must revert the meaning of the cmdline options
812 before passing the value to setoptval. */
815 flag = (*optarg == '1' || TOLOWER (*optarg) == 'y'
816 || (TOLOWER (optarg[0]) == 'o'
817 && TOLOWER (optarg[1]) == 'n'));
818 setoptval (opt->type == OPT__PARENT ? "noparent" : "noclobber",
819 flag ? "0" : "1", opt->long_name);
822 case OPT__DONT_REMOVE_LISTING:
823 setoptval ("removelisting", "0", opt->long_name);
830 nurl = argc - optind;
832 /* All user options have now been processed, so it's now safe to do
833 interoption dependency checks. */
835 if (opt.reclevel == 0)
836 opt.reclevel = INFINITE_RECURSION; /* see recur.h for commentary on this */
838 if (opt.page_requisites && !opt.recursive)
840 /* Don't set opt.recursive here because it would confuse the FTP
841 code. Instead, call retrieve_tree below when either
842 page_requisites or recursive is requested. */
844 if (!opt.no_dirstruct)
845 opt.dirstruct = 1; /* normally handled by cmd_spec_recursive() */
848 if (opt.verbose == -1)
849 opt.verbose = !opt.quiet;
852 if (opt.verbose && opt.quiet)
854 printf (_("Can't be verbose and quiet at the same time.\n"));
858 if (opt.timestamping && opt.noclobber)
861 Can't timestamp and not clobber old files at the same time.\n"));
866 if (opt.ipv4_only && opt.ipv6_only)
868 printf (_("Cannot specify both --inet4-only and --inet6-only.\n"));
873 if (opt.output_document
874 && (opt.page_requisites
876 || opt.timestamping))
878 printf (_("Cannot specify -r, -p or -N if -O is given.\n"));
882 if (opt.output_document
886 printf (_("Cannot specify both -k and -O if multiple URLs are given.\n"));
891 if (!nurl && !opt.input_filename)
893 /* No URL specified. */
894 printf (_("%s: missing URL\n"), exec_name);
897 /* #### Something nicer should be printed here -- similar to the
898 pre-1.5 `--help' page. */
899 printf (_("Try `%s --help' for more options.\n"), exec_name);
909 fork_to_background ();
912 /* Initialize progress. Have to do this after the options are
913 processed so we know where the log file is. */
915 set_progress_implementation (opt.progress_type);
917 /* Fill in the arguments. */
918 url = alloca_array (char *, nurl + 1);
919 for (i = 0; i < nurl; i++, optind++)
921 char *rewritten = rewrite_shorthand_url (argv[optind]);
925 url[i] = xstrdup (argv[optind]);
929 /* Initialize logging. */
930 log_init (opt.lfilename, append_to_log);
932 DEBUGP (("DEBUG output created by Wget %s on %s.\n\n", version_string,
935 /* Open the output filename if necessary. */
936 if (opt.output_document)
938 if (HYPHENP (opt.output_document))
939 output_stream = stdout;
943 output_stream = fopen (opt.output_document,
944 opt.always_rest ? "ab" : "wb");
945 if (output_stream == NULL)
947 perror (opt.output_document);
950 if (fstat (fileno (output_stream), &st) == 0 && S_ISREG (st.st_mode))
951 output_stream_regular = true;
960 /* Setup the signal handler to redirect output when hangup is
962 if (signal(SIGHUP, SIG_IGN) != SIG_IGN)
963 signal(SIGHUP, redirect_output_signal);
965 /* ...and do the same for SIGUSR1. */
967 signal (SIGUSR1, redirect_output_signal);
970 /* Writing to a closed socket normally signals SIGPIPE, and the
971 process exits. What we want is to ignore SIGPIPE and just check
972 for the return value of write(). */
973 signal (SIGPIPE, SIG_IGN);
976 signal (SIGWINCH, progress_handle_sigwinch);
979 status = RETROK; /* initialize it, just-in-case */
980 /* Retrieve the URLs from argument list. */
981 for (t = url; *t; t++)
983 char *filename = NULL, *redirected_URL = NULL;
986 if ((opt.recursive || opt.page_requisites)
987 && (url_scheme (*t) != SCHEME_FTP || url_uses_proxy (*t)))
989 int old_follow_ftp = opt.follow_ftp;
991 /* Turn opt.follow_ftp on in case of recursive FTP retrieval */
992 if (url_scheme (*t) == SCHEME_FTP)
995 status = retrieve_tree (*t);
997 opt.follow_ftp = old_follow_ftp;
1000 status = retrieve_url (*t, &filename, &redirected_URL, NULL, &dt, opt.recursive);
1002 if (opt.delete_after && file_exists_p(filename))
1004 DEBUGP (("Removing file due to --delete-after in main():\n"));
1005 logprintf (LOG_VERBOSE, _("Removing %s.\n"), filename);
1006 if (unlink (filename))
1007 logprintf (LOG_NOTQUIET, "unlink: %s\n", strerror (errno));
1010 xfree_null (redirected_URL);
1011 xfree_null (filename);
1014 /* And then from the input file, if any. */
1015 if (opt.input_filename)
1018 status = retrieve_from_file (opt.input_filename, opt.force_html, &count);
1020 logprintf (LOG_NOTQUIET, _("No URLs found in %s.\n"),
1021 opt.input_filename);
1024 /* Print broken links. */
1025 if (opt.recursive && opt.spider)
1027 print_broken_links();
1030 /* Print the downloaded sum. */
1031 if ((opt.recursive || opt.page_requisites
1033 || (opt.input_filename && total_downloaded_bytes != 0))
1035 total_downloaded_bytes != 0)
1037 logprintf (LOG_NOTQUIET,
1038 _("FINISHED --%s--\nDownloaded: %d files, %s in %s (%s)\n"),
1039 datetime_str (time (NULL)),
1041 human_readable (total_downloaded_bytes),
1042 secs_to_human_time (total_download_time),
1043 retr_rate (total_downloaded_bytes, total_download_time));
1044 /* Print quota warning, if exceeded. */
1045 if (opt.quota && total_downloaded_bytes > opt.quota)
1046 logprintf (LOG_NOTQUIET,
1047 _("Download quota of %s EXCEEDED!\n"),
1048 human_readable (opt.quota));
1051 if (opt.cookies_output)
1054 if (opt.convert_links && !opt.delete_after)
1055 convert_all_links ();
1058 for (i = 0; i < nurl; i++)
1063 print_malloc_debug_stats ();
1065 if (status == RETROK)
1070 #endif /* TESTING */
1072 #if defined(SIGHUP) || defined(SIGUSR1)
1074 /* So the signal_name check doesn't blow when only one is available. */
1082 /* Hangup signal handler. When wget receives SIGHUP or SIGUSR1, it
1083 will proceed operation as usual, trying to write into a log file.
1084 If that is impossible, the output will be turned off. */
1087 redirect_output_signal (int sig)
1089 const char *signal_name = (sig == SIGHUP ? "SIGHUP" :
1090 (sig == SIGUSR1 ? "SIGUSR1" :
1092 log_request_redirect_output (signal_name);
1093 progress_schedule_redirect ();
1094 signal (sig, redirect_output_signal);