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 point to local files.\n"),
598 -K, --backup-converted before converting file X, back up as X.orig.\n"),
600 -m, --mirror shortcut for -N -r -l inf --no-remove-listing.\n"),
602 -p, --page-requisites get all images, etc. needed to display HTML page.\n"),
604 --strict-comments turn on strict (SGML) handling of HTML comments.\n"),
608 Recursive accept/reject:\n"),
610 -A, --accept=LIST comma-separated list of accepted extensions.\n"),
612 -R, --reject=LIST comma-separated list of rejected extensions.\n"),
614 -D, --domains=LIST comma-separated list of accepted domains.\n"),
616 --exclude-domains=LIST comma-separated list of rejected domains.\n"),
618 --follow-ftp follow FTP links from HTML documents.\n"),
620 --follow-tags=LIST comma-separated list of followed HTML tags.\n"),
622 --ignore-tags=LIST comma-separated list of ignored HTML tags.\n"),
624 -H, --span-hosts go to foreign hosts when recursive.\n"),
626 -L, --relative follow relative links only.\n"),
628 -I, --include-directories=LIST list of allowed directories.\n"),
630 -X, --exclude-directories=LIST list of excluded directories.\n"),
632 -np, --no-parent don't ascend to the parent directory.\n"),
635 N_("Mail bug reports and suggestions to <bug-wget@gnu.org>.\n")
640 printf (_("GNU Wget %s, a non-interactive network retriever.\n"),
644 for (i = 0; i < countof (help); i++)
645 fputs (_(help[i]), stdout);
650 /* Return a human-readable printed representation of INTERVAL,
651 measured in seconds. */
654 secs_to_human_time (double interval)
657 int secs = (int) (interval + 0.5);
658 int hours, mins, days;
660 days = secs / 86400, secs %= 86400;
661 hours = secs / 3600, secs %= 3600;
662 mins = secs / 60, secs %= 60;
665 sprintf (buf, "%dd %dh %dm %ds", days, hours, mins, secs);
667 sprintf (buf, "%dh %dm %ds", hours, mins, secs);
669 sprintf (buf, "%dm %ds", mins, secs);
671 sprintf (buf, "%ss", print_decimal (interval));
679 printf ("GNU Wget %s\n\n", version_string);
680 /* TRANSLATORS: When available, an actual copyright character
681 (cirle-c) should be used in preference to "(C)". */
683 Copyright (C) 2008 Free Software Foundation, Inc.\n"), stdout);
685 License GPLv3+: GNU GPL version 3 or later\n\
686 <http://www.gnu.org/licenses/gpl.html>.\n\
687 This is free software: you are free to change and redistribute it.\n\
688 There is NO WARRANTY, to the extent permitted by law.\n"), stdout);
689 /* TRANSLATORS: When available, please use the proper diacritics for
690 names such as this one. See en_US.po for reference. */
691 fputs (_("\nOriginally written by Hrvoje Niksic <hniksic@xemacs.org>.\n"),
693 fputs (_("Currently maintained by Micah Cowan <micah@cowan.name>.\n"),
700 main (int argc, char **argv)
703 int i, ret, longindex;
705 bool append_to_log = false;
709 /* Construct the name of the executable, without the directory part. */
710 exec_name = strrchr (argv[0], PATH_SEPARATOR);
717 /* Drop extension (typically .EXE) from executable filename. */
718 windows_main ((char **) &exec_name);
721 /* Set option defaults; read the system wgetrc and ~/.wgetrc. */
726 while ((ret = getopt_long (argc, argv,
727 short_options, long_options, &longindex)) != -1)
730 struct cmdline_option *opt;
732 /* If LONGINDEX is unchanged, it means RET is referring a short
740 printf (_("Try `%s --help' for more options.\n"), exec_name);
743 /* Find the short option character in the mapping. */
744 longindex = optmap[ret - 32];
746 val = long_options[longindex].val;
748 /* Use the retrieved value to locate the option in the
749 option_data array, and to see if we're dealing with the
750 negated "--no-FOO" variant of the boolean option "--foo". */
751 opt = &option_data[val & ~BOOLEAN_NEG_MARKER];
755 setoptval (opt->data, optarg, opt->long_name);
759 /* The user has specified a value -- use it. */
760 setoptval (opt->data, optarg, opt->long_name);
763 /* NEG is true for `--no-FOO' style boolean options. */
764 bool neg = !!(val & BOOLEAN_NEG_MARKER);
765 setoptval (opt->data, neg ? "0" : "1", opt->long_name);
770 void (*func) (void) = (void (*) (void)) opt->data;
774 case OPT__APPEND_OUTPUT:
775 setoptval ("logfile", optarg, opt->long_name);
776 append_to_log = true;
779 run_command (optarg);
783 /* We support real --no-FOO flags now, but keep these
784 short options for convenience and backward
787 for (p = optarg; *p; p++)
791 setoptval ("verbose", "0", opt->long_name);
794 setoptval ("addhostdir", "0", opt->long_name);
797 setoptval ("dirstruct", "0", opt->long_name);
800 setoptval ("noclobber", "1", opt->long_name);
803 setoptval ("noparent", "1", opt->long_name);
806 printf (_("%s: illegal option -- `-n%c'\n"), exec_name, *p);
809 printf (_("Try `%s --help' for more options.\n"), exec_name);
817 /* The wgetrc commands are named noparent and noclobber,
818 so we must revert the meaning of the cmdline options
819 before passing the value to setoptval. */
822 flag = (*optarg == '1' || c_tolower (*optarg) == 'y'
823 || (c_tolower (optarg[0]) == 'o'
824 && c_tolower (optarg[1]) == 'n'));
825 setoptval (opt->type == OPT__PARENT ? "noparent" : "noclobber",
826 flag ? "0" : "1", opt->long_name);
829 case OPT__DONT_REMOVE_LISTING:
830 setoptval ("removelisting", "0", opt->long_name);
837 nurl = argc - optind;
839 /* All user options have now been processed, so it's now safe to do
840 interoption dependency checks. */
842 if (opt.reclevel == 0)
843 opt.reclevel = INFINITE_RECURSION; /* see recur.h for commentary */
845 if (opt.spider || opt.delete_after)
846 opt.no_dirstruct = true;
848 if (opt.page_requisites && !opt.recursive)
850 /* Don't set opt.recursive here because it would confuse the FTP
851 code. Instead, call retrieve_tree below when either
852 page_requisites or recursive is requested. */
854 if (!opt.no_dirstruct)
855 opt.dirstruct = 1; /* normally handled by cmd_spec_recursive() */
858 if (opt.verbose == -1)
859 opt.verbose = !opt.quiet;
862 if (opt.verbose && opt.quiet)
864 printf (_("Can't be verbose and quiet at the same time.\n"));
868 if (opt.timestamping && opt.noclobber)
871 Can't timestamp and not clobber old files at the same time.\n"));
876 if (opt.ipv4_only && opt.ipv6_only)
878 printf (_("Cannot specify both --inet4-only and --inet6-only.\n"));
883 if (opt.output_document
884 && (opt.page_requisites
886 || opt.timestamping))
888 printf (_("Cannot specify -r, -p or -N if -O is given.\n"));
892 if (opt.output_document
896 printf (_("Cannot specify both -k and -O if multiple URLs are given.\n"));
901 if (!nurl && !opt.input_filename)
903 /* No URL specified. */
904 printf (_("%s: missing URL\n"), exec_name);
907 /* #### Something nicer should be printed here -- similar to the
908 pre-1.5 `--help' page. */
909 printf (_("Try `%s --help' for more options.\n"), exec_name);
919 fork_to_background ();
922 /* Initialize progress. Have to do this after the options are
923 processed so we know where the log file is. */
925 set_progress_implementation (opt.progress_type);
927 /* Fill in the arguments. */
928 url = alloca_array (char *, nurl + 1);
929 for (i = 0; i < nurl; i++, optind++)
931 char *rewritten = rewrite_shorthand_url (argv[optind]);
935 url[i] = xstrdup (argv[optind]);
939 /* Initialize logging. */
940 log_init (opt.lfilename, append_to_log);
942 DEBUGP (("DEBUG output created by Wget %s on %s.\n\n", version_string,
945 /* Open the output filename if necessary. */
946 if (opt.output_document)
948 if (HYPHENP (opt.output_document))
949 output_stream = stdout;
953 output_stream = fopen (opt.output_document,
954 opt.always_rest ? "ab" : "wb");
955 if (output_stream == NULL)
957 perror (opt.output_document);
960 if (fstat (fileno (output_stream), &st) == 0 && S_ISREG (st.st_mode))
961 output_stream_regular = true;
970 /* Setup the signal handler to redirect output when hangup is
972 if (signal(SIGHUP, SIG_IGN) != SIG_IGN)
973 signal(SIGHUP, redirect_output_signal);
975 /* ...and do the same for SIGUSR1. */
977 signal (SIGUSR1, redirect_output_signal);
980 /* Writing to a closed socket normally signals SIGPIPE, and the
981 process exits. What we want is to ignore SIGPIPE and just check
982 for the return value of write(). */
983 signal (SIGPIPE, SIG_IGN);
986 signal (SIGWINCH, progress_handle_sigwinch);
989 status = RETROK; /* initialize it, just-in-case */
990 /* Retrieve the URLs from argument list. */
991 for (t = url; *t; t++)
993 char *filename = NULL, *redirected_URL = NULL;
996 if ((opt.recursive || opt.page_requisites)
997 && (url_scheme (*t) != SCHEME_FTP || url_uses_proxy (*t)))
999 int old_follow_ftp = opt.follow_ftp;
1001 /* Turn opt.follow_ftp on in case of recursive FTP retrieval */
1002 if (url_scheme (*t) == SCHEME_FTP)
1005 status = retrieve_tree (*t);
1007 opt.follow_ftp = old_follow_ftp;
1010 status = retrieve_url (*t, &filename, &redirected_URL, NULL, &dt, opt.recursive);
1012 if (opt.delete_after && file_exists_p(filename))
1014 DEBUGP (("Removing file due to --delete-after in main():\n"));
1015 logprintf (LOG_VERBOSE, _("Removing %s.\n"), filename);
1016 if (unlink (filename))
1017 logprintf (LOG_NOTQUIET, "unlink: %s\n", strerror (errno));
1020 xfree_null (redirected_URL);
1021 xfree_null (filename);
1024 /* And then from the input file, if any. */
1025 if (opt.input_filename)
1028 status = retrieve_from_file (opt.input_filename, opt.force_html, &count);
1030 logprintf (LOG_NOTQUIET, _("No URLs found in %s.\n"),
1031 opt.input_filename);
1034 /* Print broken links. */
1035 if (opt.recursive && opt.spider)
1037 print_broken_links();
1040 /* Print the downloaded sum. */
1041 if ((opt.recursive || opt.page_requisites
1043 || (opt.input_filename && total_downloaded_bytes != 0))
1045 total_downloaded_bytes != 0)
1047 logprintf (LOG_NOTQUIET,
1048 _("FINISHED --%s--\nDownloaded: %d files, %s in %s (%s)\n"),
1049 datetime_str (time (NULL)),
1051 human_readable (total_downloaded_bytes),
1052 secs_to_human_time (total_download_time),
1053 retr_rate (total_downloaded_bytes, total_download_time));
1054 /* Print quota warning, if exceeded. */
1055 if (opt.quota && total_downloaded_bytes > opt.quota)
1056 logprintf (LOG_NOTQUIET,
1057 _("Download quota of %s EXCEEDED!\n"),
1058 human_readable (opt.quota));
1061 if (opt.cookies_output)
1064 if (opt.convert_links && !opt.delete_after)
1065 convert_all_links ();
1068 for (i = 0; i < nurl; i++)
1073 print_malloc_debug_stats ();
1075 if (status == RETROK)
1080 #endif /* TESTING */
1082 #if defined(SIGHUP) || defined(SIGUSR1)
1084 /* So the signal_name check doesn't blow when only one is available. */
1092 /* Hangup signal handler. When wget receives SIGHUP or SIGUSR1, it
1093 will proceed operation as usual, trying to write into a log file.
1094 If that is impossible, the output will be turned off. */
1097 redirect_output_signal (int sig)
1099 const char *signal_name = (sig == SIGHUP ? "SIGHUP" :
1100 (sig == SIGUSR1 ? "SIGUSR1" :
1102 log_request_redirect_output (signal_name);
1103 progress_schedule_redirect ();
1104 signal (sig, redirect_output_signal);