1 /* Command line parsing.
2 Copyright (C) 1996-2006 Free Software Foundation, Inc.
4 This file is part of GNU Wget.
6 GNU Wget is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
11 GNU Wget is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with Wget. If not, see <http://www.gnu.org/licenses/>.
19 In addition, as a special exception, the Free Software Foundation
20 gives permission to link the code of its release of Wget with the
21 OpenSSL project's "OpenSSL" library (or with modified versions of it
22 that use the same license as the "OpenSSL" library), and distribute
23 the linked executables. You must obey the GNU General Public License
24 in all respects for all of the code used other than "OpenSSL". If you
25 modify this file, you may extend this exception to your version of the
26 file, but you are not obligated to do so. If you do not wish to do
27 so, delete this exception statement from your version. */
35 #endif /* HAVE_UNISTD_H */
52 #include "progress.h" /* for progress_handle_sigwinch */
55 #include "http.h" /* for save_cookies */
57 /* On GNU system this will include system-wide getopt.h. */
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 /* HAVE_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);
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 { "background", 'b', OPT_BOOLEAN, "background", -1 },
134 { "backup-converted", 'K', OPT_BOOLEAN, "backupconverted", -1 },
135 { "backups", 0, OPT_BOOLEAN, "backups", -1 },
136 { "base", 'B', OPT_VALUE, "base", -1 },
137 { "bind-address", 0, OPT_VALUE, "bindaddress", -1 },
138 { IF_SSL ("ca-certificate"), 0, OPT_VALUE, "cacertificate", -1 },
139 { IF_SSL ("ca-directory"), 0, OPT_VALUE, "cadirectory", -1 },
140 { "cache", 0, OPT_BOOLEAN, "cache", -1 },
141 { IF_SSL ("certificate"), 0, OPT_VALUE, "certificate", -1 },
142 { IF_SSL ("certificate-type"), 0, OPT_VALUE, "certificatetype", -1 },
143 { IF_SSL ("check-certificate"), 0, OPT_BOOLEAN, "checkcertificate", -1 },
144 { "clobber", 0, OPT__CLOBBER, NULL, optional_argument },
145 { "connect-timeout", 0, OPT_VALUE, "connecttimeout", -1 },
146 { "continue", 'c', OPT_BOOLEAN, "continue", -1 },
147 { "convert-links", 'k', OPT_BOOLEAN, "convertlinks", -1 },
148 { "content-disposition", 0, OPT_BOOLEAN, "contentdisposition", -1 },
149 { "cookies", 0, OPT_BOOLEAN, "cookies", -1 },
150 { "cut-dirs", 0, OPT_VALUE, "cutdirs", -1 },
151 { WHEN_DEBUG ("debug"), 'd', OPT_BOOLEAN, "debug", -1 },
152 { "delete-after", 0, OPT_BOOLEAN, "deleteafter", -1 },
153 { "directories", 0, OPT_BOOLEAN, "dirstruct", -1 },
154 { "directory-prefix", 'P', OPT_VALUE, "dirprefix", -1 },
155 { "dns-cache", 0, OPT_BOOLEAN, "dnscache", -1 },
156 { "dns-timeout", 0, OPT_VALUE, "dnstimeout", -1 },
157 { "domains", 'D', OPT_VALUE, "domains", -1 },
158 { "dont-remove-listing", 0, OPT__DONT_REMOVE_LISTING, NULL, no_argument },
159 { "dot-style", 0, OPT_VALUE, "dotstyle", -1 },
160 { "egd-file", 0, OPT_VALUE, "egdfile", -1 },
161 { "exclude-directories", 'X', OPT_VALUE, "excludedirectories", -1 },
162 { "exclude-domains", 0, OPT_VALUE, "excludedomains", -1 },
163 { "execute", 'e', OPT__EXECUTE, NULL, required_argument },
164 { "follow-ftp", 0, OPT_BOOLEAN, "followftp", -1 },
165 { "follow-tags", 0, OPT_VALUE, "followtags", -1 },
166 { "force-directories", 'x', OPT_BOOLEAN, "dirstruct", -1 },
167 { "force-html", 'F', OPT_BOOLEAN, "forcehtml", -1 },
168 { "ftp-password", 0, OPT_VALUE, "ftppassword", -1 },
169 { "ftp-user", 0, OPT_VALUE, "ftpuser", -1 },
170 { "glob", 0, OPT_BOOLEAN, "glob", -1 },
171 { "header", 0, OPT_VALUE, "header", -1 },
172 { "help", 'h', OPT_FUNCALL, (void *)print_help, no_argument },
173 { "host-directories", 0, OPT_BOOLEAN, "addhostdir", -1 },
174 { "html-extension", 'E', OPT_BOOLEAN, "htmlextension", -1 },
175 { "htmlify", 0, OPT_BOOLEAN, "htmlify", -1 },
176 { "http-keep-alive", 0, OPT_BOOLEAN, "httpkeepalive", -1 },
177 { "http-passwd", 0, OPT_VALUE, "httppassword", -1 }, /* deprecated */
178 { "http-password", 0, OPT_VALUE, "httppassword", -1 },
179 { "http-user", 0, OPT_VALUE, "httpuser", -1 },
180 { "ignore-case", 0, OPT_BOOLEAN, "ignorecase", -1 },
181 { "ignore-length", 0, OPT_BOOLEAN, "ignorelength", -1 },
182 { "ignore-tags", 0, OPT_VALUE, "ignoretags", -1 },
183 { "include-directories", 'I', OPT_VALUE, "includedirectories", -1 },
185 { "inet4-only", '4', OPT_BOOLEAN, "inet4only", -1 },
186 { "inet6-only", '6', OPT_BOOLEAN, "inet6only", -1 },
188 { "input-file", 'i', OPT_VALUE, "input", -1 },
189 { "keep-session-cookies", 0, OPT_BOOLEAN, "keepsessioncookies", -1 },
190 { "level", 'l', OPT_VALUE, "reclevel", -1 },
191 { "limit-rate", 0, OPT_VALUE, "limitrate", -1 },
192 { "load-cookies", 0, OPT_VALUE, "loadcookies", -1 },
193 { "max-redirect", 0, OPT_VALUE, "maxredirect", -1 },
194 { "mirror", 'm', OPT_BOOLEAN, "mirror", -1 },
195 { "no", 'n', OPT__NO, NULL, required_argument },
196 { "no-clobber", 0, OPT_BOOLEAN, "noclobber", -1 },
197 { "no-parent", 0, OPT_BOOLEAN, "noparent", -1 },
198 { "output-document", 'O', OPT_VALUE, "outputdocument", -1 },
199 { "output-file", 'o', OPT_VALUE, "logfile", -1 },
200 { "page-requisites", 'p', OPT_BOOLEAN, "pagerequisites", -1 },
201 { "parent", 0, OPT__PARENT, NULL, optional_argument },
202 { "passive-ftp", 0, OPT_BOOLEAN, "passiveftp", -1 },
203 { "password", 0, OPT_VALUE, "password", -1 },
204 { "post-data", 0, OPT_VALUE, "postdata", -1 },
205 { "post-file", 0, OPT_VALUE, "postfile", -1 },
206 { "prefer-family", 0, OPT_VALUE, "preferfamily", -1 },
207 { "preserve-permissions", 0, OPT_BOOLEAN, "preservepermissions", -1 },
208 { IF_SSL ("private-key"), 0, OPT_VALUE, "privatekey", -1 },
209 { IF_SSL ("private-key-type"), 0, OPT_VALUE, "privatekeytype", -1 },
210 { "progress", 0, OPT_VALUE, "progress", -1 },
211 { "protocol-directories", 0, OPT_BOOLEAN, "protocoldirectories", -1 },
212 { "proxy", 0, OPT_BOOLEAN, "useproxy", -1 },
213 { "proxy__compat", 'Y', OPT_VALUE, "useproxy", -1 }, /* back-compatible */
214 { "proxy-passwd", 0, OPT_VALUE, "proxypassword", -1 }, /* deprecated */
215 { "proxy-password", 0, OPT_VALUE, "proxypassword", -1 },
216 { "proxy-user", 0, OPT_VALUE, "proxyuser", -1 },
217 { "quiet", 'q', OPT_BOOLEAN, "quiet", -1 },
218 { "quota", 'Q', OPT_VALUE, "quota", -1 },
219 { "random-file", 0, OPT_VALUE, "randomfile", -1 },
220 { "random-wait", 0, OPT_BOOLEAN, "randomwait", -1 },
221 { "read-timeout", 0, OPT_VALUE, "readtimeout", -1 },
222 { "recursive", 'r', OPT_BOOLEAN, "recursive", -1 },
223 { "referer", 0, OPT_VALUE, "referer", -1 },
224 { "reject", 'R', OPT_VALUE, "reject", -1 },
225 { "relative", 'L', OPT_BOOLEAN, "relativeonly", -1 },
226 { "remove-listing", 0, OPT_BOOLEAN, "removelisting", -1 },
227 { "restrict-file-names", 0, OPT_BOOLEAN, "restrictfilenames", -1 },
228 { "retr-symlinks", 0, OPT_BOOLEAN, "retrsymlinks", -1 },
229 { "retry-connrefused", 0, OPT_BOOLEAN, "retryconnrefused", -1 },
230 { "save-cookies", 0, OPT_VALUE, "savecookies", -1 },
231 { "save-headers", 0, OPT_BOOLEAN, "saveheaders", -1 },
232 { IF_SSL ("secure-protocol"), 0, OPT_VALUE, "secureprotocol", -1 },
233 { "server-response", 'S', OPT_BOOLEAN, "serverresponse", -1 },
234 { "span-hosts", 'H', OPT_BOOLEAN, "spanhosts", -1 },
235 { "spider", 0, OPT_BOOLEAN, "spider", -1 },
236 { "strict-comments", 0, OPT_BOOLEAN, "strictcomments", -1 },
237 { "timeout", 'T', OPT_VALUE, "timeout", -1 },
238 { "timestamping", 'N', OPT_BOOLEAN, "timestamping", -1 },
239 { "tries", 't', OPT_VALUE, "tries", -1 },
240 { "user", 0, OPT_VALUE, "user", -1 },
241 { "user-agent", 'U', OPT_VALUE, "useragent", -1 },
242 { "verbose", 'v', OPT_BOOLEAN, "verbose", -1 },
243 { "verbose", 0, OPT_BOOLEAN, "verbose", -1 },
244 { "version", 'V', OPT_FUNCALL, (void *) print_version, no_argument },
245 { "wait", 'w', OPT_VALUE, "wait", -1 },
246 { "waitretry", 0, OPT_VALUE, "waitretry", -1 },
252 /* Return a string that contains S with "no-" prepended. The string
253 is NUL-terminated and allocated off static storage at Wget
257 no_prefix (const char *s)
259 static char buffer[1024];
260 static char *p = buffer;
263 int size = 3 + strlen (s) + 1; /* "no-STRING\0" */
264 if (p + size >= buffer + sizeof (buffer))
267 cp[0] = 'n', cp[1] = 'o', cp[2] = '-';
273 /* The arguments that that main passes to getopt_long. */
274 static struct option long_options[2 * countof (option_data) + 1];
275 static char short_options[128];
277 /* Mapping between short option chars and option_data indices. */
278 static unsigned char optmap[96];
280 /* Marker for `--no-FOO' values in long_options. */
281 #define BOOLEAN_NEG_MARKER 1024
283 /* Initialize the long_options array used by getopt_long from the data
289 char *p = short_options;
291 for (i = 0; i < countof (option_data); i++)
293 struct cmdline_option *opt = &option_data[i];
294 struct option *longopt;
297 /* The option is disabled. */
300 longopt = &long_options[o++];
301 longopt->name = opt->long_name;
305 *p++ = opt->short_name;
306 optmap[opt->short_name - 32] = longopt - long_options;
311 longopt->has_arg = required_argument;
316 /* Specify an optional argument for long options, so that
317 --option=off works the same as --no-option, for
318 compatibility with pre-1.10 Wget. However, don't specify
319 optional arguments short-option booleans because they
320 prevent combining of short options. */
321 longopt->has_arg = optional_argument;
322 /* For Boolean options, add the "--no-FOO" variant, which is
323 identical to "--foo", except it has opposite meaning and
324 it doesn't allow an argument. */
325 longopt = &long_options[o++];
326 longopt->name = no_prefix (opt->long_name);
327 longopt->has_arg = no_argument;
328 /* Mask the value so we'll be able to recognize that we're
329 dealing with the false value. */
330 longopt->val = i | BOOLEAN_NEG_MARKER;
333 assert (opt->argtype != -1);
334 longopt->has_arg = opt->argtype;
337 if (longopt->has_arg == required_argument)
339 /* Don't handle optional_argument */
343 /* Terminate short_options. */
345 /* No need for xzero(long_options[o]) because its storage is static
346 and it will be zeroed by default. */
347 assert (o <= countof (long_options));
350 /* Print the usage message. */
354 printf (_("Usage: %s [OPTION]... [URL]...\n"), exec_name);
357 /* Print the help message, describing all the available options. If
358 you add an option, be sure to update this list. */
362 /* We split the help text this way to ease translation of individual
364 static const char *help[] = {
367 Mandatory arguments to long options are mandatory for short options too.\n\n"),
371 -V, --version display the version of Wget and exit.\n"),
373 -h, --help print this help.\n"),
375 -b, --background go to background after startup.\n"),
377 -e, --execute=COMMAND execute a `.wgetrc'-style command.\n"),
381 Logging and input file:\n"),
383 -o, --output-file=FILE log messages to FILE.\n"),
385 -a, --append-output=FILE append messages to FILE.\n"),
388 -d, --debug print lots of debugging information.\n"),
391 -q, --quiet quiet (no output).\n"),
393 -v, --verbose be verbose (this is the default).\n"),
395 -nv, --no-verbose turn off verboseness, without being quiet.\n"),
397 -i, --input-file=FILE download URLs found in FILE.\n"),
399 -F, --force-html treat input file as HTML.\n"),
401 -B, --base=URL prepends URL to relative links in -F -i file.\n"),
407 -t, --tries=NUMBER set number of retries to NUMBER (0 unlimits).\n"),
409 --retry-connrefused retry even if connection is refused.\n"),
411 -O, --output-document=FILE write documents to FILE.\n"),
413 -nc, --no-clobber skip downloads that would download to\n\
416 -c, --continue resume getting a partially-downloaded file.\n"),
418 --progress=TYPE select progress gauge type.\n"),
420 -N, --timestamping don't re-retrieve files unless newer than\n\
423 -S, --server-response print server response.\n"),
425 --spider don't download anything.\n"),
427 -T, --timeout=SECONDS set all timeout values to SECONDS.\n"),
429 --dns-timeout=SECS set the DNS lookup timeout to SECS.\n"),
431 --connect-timeout=SECS set the connect timeout to SECS.\n"),
433 --read-timeout=SECS set the read timeout to SECS.\n"),
435 -w, --wait=SECONDS wait SECONDS between retrievals.\n"),
437 --waitretry=SECONDS wait 1..SECONDS between retries of a retrieval.\n"),
439 --random-wait wait from 0...2*WAIT secs between retrievals.\n"),
441 -Y, --proxy explicitly turn on proxy.\n"),
443 --no-proxy explicitly turn off proxy.\n"),
445 -Q, --quota=NUMBER set retrieval quota to NUMBER.\n"),
447 --bind-address=ADDRESS bind to ADDRESS (hostname or IP) on local host.\n"),
449 --limit-rate=RATE limit download rate to RATE.\n"),
451 --no-dns-cache disable caching DNS lookups.\n"),
453 --restrict-file-names=OS restrict chars in file names to ones OS allows.\n"),
455 --ignore-case ignore case when matching files/directories.\n"),
458 -4, --inet4-only connect only to IPv4 addresses.\n"),
460 -6, --inet6-only connect only to IPv6 addresses.\n"),
462 --prefer-family=FAMILY connect first to addresses of specified family,\n\
463 one of IPv6, IPv4, or none.\n"),
466 --user=USER set both ftp and http user to USER.\n"),
468 --password=PASS set both ftp and http password to PASS.\n"),
474 -nd, --no-directories don't create directories.\n"),
476 -x, --force-directories force creation of directories.\n"),
478 -nH, --no-host-directories don't create host directories.\n"),
480 --protocol-directories use protocol name in directories.\n"),
482 -P, --directory-prefix=PREFIX save files to PREFIX/...\n"),
484 --cut-dirs=NUMBER ignore NUMBER remote directory components.\n"),
490 --http-user=USER set http user to USER.\n"),
492 --http-password=PASS set http password to PASS.\n"),
494 --no-cache disallow server-cached data.\n"),
496 -E, --html-extension save HTML documents with `.html' extension.\n"),
498 --ignore-length ignore `Content-Length' header field.\n"),
500 --header=STRING insert STRING among the headers.\n"),
502 --max-redirect maximum redirections allowed per page.\n"),
504 --proxy-user=USER set USER as proxy username.\n"),
506 --proxy-password=PASS set PASS as proxy password.\n"),
508 --referer=URL include `Referer: URL' header in HTTP request.\n"),
510 --save-headers save the HTTP headers to file.\n"),
512 -U, --user-agent=AGENT identify as AGENT instead of Wget/VERSION.\n"),
514 --no-http-keep-alive disable HTTP keep-alive (persistent connections).\n"),
516 --no-cookies don't use cookies.\n"),
518 --load-cookies=FILE load cookies from FILE before session.\n"),
520 --save-cookies=FILE save cookies to FILE after session.\n"),
522 --keep-session-cookies load and save session (non-permanent) cookies.\n"),
524 --post-data=STRING use the POST method; send STRING as the data.\n"),
526 --post-file=FILE use the POST method; send contents of FILE.\n"),
528 --no-content-disposition don't honor Content-Disposition header.\n"),
533 HTTPS (SSL/TLS) options:\n"),
535 --secure-protocol=PR choose secure protocol, one of auto, SSLv2,\n\
536 SSLv3, and TLSv1.\n"),
538 --no-check-certificate don't validate the server's certificate.\n"),
540 --certificate=FILE client certificate file.\n"),
542 --certificate-type=TYPE client certificate type, PEM or DER.\n"),
544 --private-key=FILE private key file.\n"),
546 --private-key-type=TYPE private key type, PEM or DER.\n"),
548 --ca-certificate=FILE file with the bundle of CA's.\n"),
550 --ca-directory=DIR directory where hash list of CA's is stored.\n"),
552 --random-file=FILE file with random data for seeding the SSL PRNG.\n"),
554 --egd-file=FILE file naming the EGD socket with random data.\n"),
556 #endif /* HAVE_SSL */
561 --ftp-user=USER set ftp user to USER.\n"),
563 --ftp-password=PASS set ftp password to PASS.\n"),
565 --no-remove-listing don't remove `.listing' files.\n"),
567 --no-glob turn off FTP file name globbing.\n"),
569 --no-passive-ftp disable the \"passive\" transfer mode.\n"),
571 --retr-symlinks when recursing, get linked-to files (not dir).\n"),
573 --preserve-permissions preserve remote file permissions.\n"),
577 Recursive download:\n"),
579 -r, --recursive specify recursive download.\n"),
581 -l, --level=NUMBER maximum recursion depth (inf or 0 for infinite).\n"),
583 --delete-after delete files locally after downloading them.\n"),
585 -k, --convert-links make links in downloaded HTML point to local files.\n"),
587 -K, --backup-converted before converting file X, back up as X.orig.\n"),
589 -m, --mirror shortcut for -N -r -l inf --no-remove-listing.\n"),
591 -p, --page-requisites get all images, etc. needed to display HTML page.\n"),
593 --strict-comments turn on strict (SGML) handling of HTML comments.\n"),
597 Recursive accept/reject:\n"),
599 -A, --accept=LIST comma-separated list of accepted extensions.\n"),
601 -R, --reject=LIST comma-separated list of rejected extensions.\n"),
603 -D, --domains=LIST comma-separated list of accepted domains.\n"),
605 --exclude-domains=LIST comma-separated list of rejected domains.\n"),
607 --follow-ftp follow FTP links from HTML documents.\n"),
609 --follow-tags=LIST comma-separated list of followed HTML tags.\n"),
611 --ignore-tags=LIST comma-separated list of ignored HTML tags.\n"),
613 -H, --span-hosts go to foreign hosts when recursive.\n"),
615 -L, --relative follow relative links only.\n"),
617 -I, --include-directories=LIST list of allowed directories.\n"),
619 -X, --exclude-directories=LIST list of excluded directories.\n"),
621 -np, --no-parent don't ascend to the parent directory.\n"),
624 N_("Mail bug reports and suggestions to <bug-wget@gnu.org>.\n")
629 printf (_("GNU Wget %s, a non-interactive network retriever.\n"),
633 for (i = 0; i < countof (help); i++)
634 fputs (_(help[i]), stdout);
639 /* Return a human-readable printed representation of INTERVAL,
640 measured in seconds. */
643 secs_to_human_time (double interval)
646 int secs = (int) (interval + 0.5);
647 int hours, mins, days;
649 days = secs / 86400, secs %= 86400;
650 hours = secs / 3600, secs %= 3600;
651 mins = secs / 60, secs %= 60;
654 sprintf (buf, "%dd %dh %dm %ds", days, hours, mins, secs);
656 sprintf (buf, "%dh %dm %ds", hours, mins, secs);
658 sprintf (buf, "%dm %ds", mins, secs);
660 sprintf (buf, "%ss", print_decimal (interval));
668 printf ("GNU Wget %s\n\n", version_string);
670 Copyright (C) 2007 Free Software Foundation, Inc.\n"), stdout);
672 License GPLv3+: GNU GPL version 3 or later\n\
673 <http://www.gnu.org/licenses/gpl.html>.\n\
674 This is free software: you are free to change and redistribute it.\n\
675 There is NO WARRANTY, to the extent permitted by law.\n"), stdout);
676 fputs (_("\nOriginally written by Hrvoje Niksic <hniksic@xemacs.org>.\n"),
678 fputs (_("Currently maintained by Micah Cowan <micah@cowan.name>.\n"),
684 main (int argc, char *const *argv)
687 int i, ret, longindex;
689 bool append_to_log = false;
693 /* Construct the name of the executable, without the directory part. */
694 exec_name = strrchr (argv[0], PATH_SEPARATOR);
701 /* Drop extension (typically .EXE) from executable filename. */
702 windows_main (&argc, (char **) argv, (char **) &exec_name);
705 /* Set option defaults; read the system wgetrc and ~/.wgetrc. */
710 while ((ret = getopt_long (argc, argv,
711 short_options, long_options, &longindex)) != -1)
714 struct cmdline_option *opt;
716 /* If LONGINDEX is unchanged, it means RET is referring a short
724 printf (_("Try `%s --help' for more options.\n"), exec_name);
727 /* Find the short option character in the mapping. */
728 longindex = optmap[ret - 32];
730 val = long_options[longindex].val;
732 /* Use the retrieved value to locate the option in the
733 option_data array, and to see if we're dealing with the
734 negated "--no-FOO" variant of the boolean option "--foo". */
735 opt = &option_data[val & ~BOOLEAN_NEG_MARKER];
739 setoptval (opt->data, optarg, opt->long_name);
743 /* The user has specified a value -- use it. */
744 setoptval (opt->data, optarg, opt->long_name);
747 /* NEG is true for `--no-FOO' style boolean options. */
748 bool neg = !!(val & BOOLEAN_NEG_MARKER);
749 setoptval (opt->data, neg ? "0" : "1", opt->long_name);
754 void (*func) (void) = (void (*) (void)) opt->data;
758 case OPT__APPEND_OUTPUT:
759 setoptval ("logfile", optarg, opt->long_name);
760 append_to_log = true;
763 run_command (optarg);
767 /* We support real --no-FOO flags now, but keep these
768 short options for convenience and backward
771 for (p = optarg; *p; p++)
775 setoptval ("verbose", "0", opt->long_name);
778 setoptval ("addhostdir", "0", opt->long_name);
781 setoptval ("dirstruct", "0", opt->long_name);
784 setoptval ("noclobber", "1", opt->long_name);
787 setoptval ("noparent", "1", opt->long_name);
790 printf (_("%s: illegal option -- `-n%c'\n"), exec_name, *p);
793 printf (_("Try `%s --help' for more options.\n"), exec_name);
801 /* The wgetrc commands are named noparent and noclobber,
802 so we must revert the meaning of the cmdline options
803 before passing the value to setoptval. */
806 flag = (*optarg == '1' || TOLOWER (*optarg) == 'y'
807 || (TOLOWER (optarg[0]) == 'o'
808 && TOLOWER (optarg[1]) == 'n'));
809 setoptval (opt->type == OPT__PARENT ? "noparent" : "noclobber",
810 flag ? "0" : "1", opt->long_name);
813 case OPT__DONT_REMOVE_LISTING:
814 setoptval ("removelisting", "0", opt->long_name);
821 nurl = argc - optind;
823 /* All user options have now been processed, so it's now safe to do
824 interoption dependency checks. */
826 if (opt.reclevel == 0)
827 opt.reclevel = INFINITE_RECURSION; /* see recur.h for commentary on this */
829 if (opt.page_requisites && !opt.recursive)
831 /* Don't set opt.recursive here because it would confuse the FTP
832 code. Instead, call retrieve_tree below when either
833 page_requisites or recursive is requested. */
835 if (!opt.no_dirstruct)
836 opt.dirstruct = 1; /* normally handled by cmd_spec_recursive() */
839 if (opt.verbose == -1)
840 opt.verbose = !opt.quiet;
843 if (opt.verbose && opt.quiet)
845 printf (_("Can't be verbose and quiet at the same time.\n"));
849 if (opt.timestamping && opt.noclobber)
852 Can't timestamp and not clobber old files at the same time.\n"));
857 if (opt.ipv4_only && opt.ipv6_only)
859 printf (_("Cannot specify both --inet4-only and --inet6-only.\n"));
864 if (opt.output_document
865 && (opt.page_requisites
867 || opt.timestamping))
869 printf (_("Cannot specify -r, -p or -N if -O is given.\n"));
873 if (opt.output_document
877 printf (_("Cannot specify both -k and -O if multiple URLs are given.\n"));
882 if (!nurl && !opt.input_filename)
884 /* No URL specified. */
885 printf (_("%s: missing URL\n"), exec_name);
888 /* #### Something nicer should be printed here -- similar to the
889 pre-1.5 `--help' page. */
890 printf (_("Try `%s --help' for more options.\n"), exec_name);
895 fork_to_background ();
897 /* Initialize progress. Have to do this after the options are
898 processed so we know where the log file is. */
900 set_progress_implementation (opt.progress_type);
902 /* Fill in the arguments. */
903 url = alloca_array (char *, nurl + 1);
904 for (i = 0; i < nurl; i++, optind++)
906 char *rewritten = rewrite_shorthand_url (argv[optind]);
910 url[i] = xstrdup (argv[optind]);
914 /* Initialize logging. */
915 log_init (opt.lfilename, append_to_log);
917 DEBUGP (("DEBUG output created by Wget %s on %s.\n\n", version_string,
920 /* Open the output filename if necessary. */
921 if (opt.output_document)
923 if (HYPHENP (opt.output_document))
924 output_stream = stdout;
928 output_stream = fopen (opt.output_document,
929 opt.always_rest ? "ab" : "wb");
930 if (output_stream == NULL)
932 perror (opt.output_document);
935 if (fstat (fileno (output_stream), &st) == 0 && S_ISREG (st.st_mode))
936 output_stream_regular = true;
945 /* Setup the signal handler to redirect output when hangup is
947 if (signal(SIGHUP, SIG_IGN) != SIG_IGN)
948 signal(SIGHUP, redirect_output_signal);
950 /* ...and do the same for SIGUSR1. */
952 signal (SIGUSR1, redirect_output_signal);
955 /* Writing to a closed socket normally signals SIGPIPE, and the
956 process exits. What we want is to ignore SIGPIPE and just check
957 for the return value of write(). */
958 signal (SIGPIPE, SIG_IGN);
961 signal (SIGWINCH, progress_handle_sigwinch);
964 status = RETROK; /* initialize it, just-in-case */
965 /* Retrieve the URLs from argument list. */
966 for (t = url; *t; t++)
968 char *filename = NULL, *redirected_URL = NULL;
971 if ((opt.recursive || opt.page_requisites)
972 && (url_scheme (*t) != SCHEME_FTP || url_uses_proxy (*t)))
974 int old_follow_ftp = opt.follow_ftp;
976 /* Turn opt.follow_ftp on in case of recursive FTP retrieval */
977 if (url_scheme (*t) == SCHEME_FTP)
980 status = retrieve_tree (*t);
982 opt.follow_ftp = old_follow_ftp;
985 status = retrieve_url (*t, &filename, &redirected_URL, NULL, &dt, opt.recursive);
987 if (opt.delete_after && file_exists_p(filename))
989 DEBUGP (("Removing file due to --delete-after in main():\n"));
990 logprintf (LOG_VERBOSE, _("Removing %s.\n"), filename);
991 if (unlink (filename))
992 logprintf (LOG_NOTQUIET, "unlink: %s\n", strerror (errno));
995 xfree_null (redirected_URL);
996 xfree_null (filename);
999 /* And then from the input file, if any. */
1000 if (opt.input_filename)
1003 status = retrieve_from_file (opt.input_filename, opt.force_html, &count);
1005 logprintf (LOG_NOTQUIET, _("No URLs found in %s.\n"),
1006 opt.input_filename);
1009 /* Print broken links. */
1010 if (opt.recursive && opt.spider)
1012 print_broken_links();
1015 /* Print the downloaded sum. */
1016 if ((opt.recursive || opt.page_requisites
1018 || (opt.input_filename && total_downloaded_bytes != 0))
1020 total_downloaded_bytes != 0)
1022 logprintf (LOG_NOTQUIET,
1023 _("FINISHED --%s--\nDownloaded: %d files, %s in %s (%s)\n"),
1024 time_str (time (NULL)),
1026 human_readable (total_downloaded_bytes),
1027 secs_to_human_time (total_download_time),
1028 retr_rate (total_downloaded_bytes, total_download_time));
1029 /* Print quota warning, if exceeded. */
1030 if (opt.quota && total_downloaded_bytes > opt.quota)
1031 logprintf (LOG_NOTQUIET,
1032 _("Download quota of %s EXCEEDED!\n"),
1033 human_readable (opt.quota));
1036 if (opt.cookies_output)
1039 if (opt.convert_links && !opt.delete_after)
1040 convert_all_links ();
1043 for (i = 0; i < nurl; i++)
1048 print_malloc_debug_stats ();
1050 if (status == RETROK)
1055 #endif /* TESTING */
1057 #if defined(SIGHUP) || defined(SIGUSR1)
1059 /* So the signal_name check doesn't blow when only one is available. */
1067 /* Hangup signal handler. When wget receives SIGHUP or SIGUSR1, it
1068 will proceed operation as usual, trying to write into a log file.
1069 If that is impossible, the output will be turned off. */
1072 redirect_output_signal (int sig)
1074 const char *signal_name = (sig == SIGHUP ? "SIGHUP" :
1075 (sig == SIGUSR1 ? "SIGUSR1" :
1077 log_request_redirect_output (signal_name);
1078 progress_schedule_redirect ();
1079 signal (sig, redirect_output_signal);