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 */
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 { "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 },
248 { "wdebug", 0, OPT_BOOLEAN, "wdebug", -1 },
255 /* Return a string that contains S with "no-" prepended. The string
256 is NUL-terminated and allocated off static storage at Wget
260 no_prefix (const char *s)
262 static char buffer[1024];
263 static char *p = buffer;
266 int size = 3 + strlen (s) + 1; /* "no-STRING\0" */
267 if (p + size >= buffer + sizeof (buffer))
270 cp[0] = 'n', cp[1] = 'o', cp[2] = '-';
276 /* The arguments that that main passes to getopt_long. */
277 static struct option long_options[2 * countof (option_data) + 1];
278 static char short_options[128];
280 /* Mapping between short option chars and option_data indices. */
281 static unsigned char optmap[96];
283 /* Marker for `--no-FOO' values in long_options. */
284 #define BOOLEAN_NEG_MARKER 1024
286 /* Initialize the long_options array used by getopt_long from the data
292 char *p = short_options;
294 for (i = 0; i < countof (option_data); i++)
296 struct cmdline_option *opt = &option_data[i];
297 struct option *longopt;
300 /* The option is disabled. */
303 longopt = &long_options[o++];
304 longopt->name = opt->long_name;
308 *p++ = opt->short_name;
309 optmap[opt->short_name - 32] = longopt - long_options;
314 longopt->has_arg = required_argument;
319 /* Specify an optional argument for long options, so that
320 --option=off works the same as --no-option, for
321 compatibility with pre-1.10 Wget. However, don't specify
322 optional arguments short-option booleans because they
323 prevent combining of short options. */
324 longopt->has_arg = optional_argument;
325 /* For Boolean options, add the "--no-FOO" variant, which is
326 identical to "--foo", except it has opposite meaning and
327 it doesn't allow an argument. */
328 longopt = &long_options[o++];
329 longopt->name = no_prefix (opt->long_name);
330 longopt->has_arg = no_argument;
331 /* Mask the value so we'll be able to recognize that we're
332 dealing with the false value. */
333 longopt->val = i | BOOLEAN_NEG_MARKER;
336 assert (opt->argtype != -1);
337 longopt->has_arg = opt->argtype;
340 if (longopt->has_arg == required_argument)
342 /* Don't handle optional_argument */
346 /* Terminate short_options. */
348 /* No need for xzero(long_options[o]) because its storage is static
349 and it will be zeroed by default. */
350 assert (o <= countof (long_options));
353 /* Print the usage message. */
357 printf (_("Usage: %s [OPTION]... [URL]...\n"), exec_name);
360 /* Print the help message, describing all the available options. If
361 you add an option, be sure to update this list. */
365 /* We split the help text this way to ease translation of individual
367 static const char *help[] = {
370 Mandatory arguments to long options are mandatory for short options too.\n\n"),
374 -V, --version display the version of Wget and exit.\n"),
376 -h, --help print this help.\n"),
378 -b, --background go to background after startup.\n"),
380 -e, --execute=COMMAND execute a `.wgetrc'-style command.\n"),
384 Logging and input file:\n"),
386 -o, --output-file=FILE log messages to FILE.\n"),
388 -a, --append-output=FILE append messages to FILE.\n"),
391 -d, --debug print lots of debugging information.\n"),
395 --wdebug print Watt-32 debug output.\n"),
398 -q, --quiet quiet (no output).\n"),
400 -v, --verbose be verbose (this is the default).\n"),
402 -nv, --no-verbose turn off verboseness, without being quiet.\n"),
404 -i, --input-file=FILE download URLs found in FILE.\n"),
406 -F, --force-html treat input file as HTML.\n"),
408 -B, --base=URL prepends URL to relative links in -F -i file.\n"),
414 -t, --tries=NUMBER set number of retries to NUMBER (0 unlimits).\n"),
416 --retry-connrefused retry even if connection is refused.\n"),
418 -O, --output-document=FILE write documents to FILE.\n"),
420 -nc, --no-clobber skip downloads that would download to\n\
423 -c, --continue resume getting a partially-downloaded file.\n"),
425 --progress=TYPE select progress gauge type.\n"),
427 -N, --timestamping don't re-retrieve files unless newer than\n\
430 -S, --server-response print server response.\n"),
432 --spider don't download anything.\n"),
434 -T, --timeout=SECONDS set all timeout values to SECONDS.\n"),
436 --dns-timeout=SECS set the DNS lookup timeout to SECS.\n"),
438 --connect-timeout=SECS set the connect timeout to SECS.\n"),
440 --read-timeout=SECS set the read timeout to SECS.\n"),
442 -w, --wait=SECONDS wait SECONDS between retrievals.\n"),
444 --waitretry=SECONDS wait 1..SECONDS between retries of a retrieval.\n"),
446 --random-wait wait from 0...2*WAIT secs between retrievals.\n"),
448 -Y, --proxy explicitly turn on proxy.\n"),
450 --no-proxy explicitly turn off proxy.\n"),
452 -Q, --quota=NUMBER set retrieval quota to NUMBER.\n"),
454 --bind-address=ADDRESS bind to ADDRESS (hostname or IP) on local host.\n"),
456 --limit-rate=RATE limit download rate to RATE.\n"),
458 --no-dns-cache disable caching DNS lookups.\n"),
460 --restrict-file-names=OS restrict chars in file names to ones OS allows.\n"),
462 --ignore-case ignore case when matching files/directories.\n"),
465 -4, --inet4-only connect only to IPv4 addresses.\n"),
467 -6, --inet6-only connect only to IPv6 addresses.\n"),
469 --prefer-family=FAMILY connect first to addresses of specified family,\n\
470 one of IPv6, IPv4, or none.\n"),
473 --user=USER set both ftp and http user to USER.\n"),
475 --password=PASS set both ftp and http password to PASS.\n"),
481 -nd, --no-directories don't create directories.\n"),
483 -x, --force-directories force creation of directories.\n"),
485 -nH, --no-host-directories don't create host directories.\n"),
487 --protocol-directories use protocol name in directories.\n"),
489 -P, --directory-prefix=PREFIX save files to PREFIX/...\n"),
491 --cut-dirs=NUMBER ignore NUMBER remote directory components.\n"),
497 --http-user=USER set http user to USER.\n"),
499 --http-password=PASS set http password to PASS.\n"),
501 --no-cache disallow server-cached data.\n"),
503 -E, --html-extension save HTML documents with `.html' extension.\n"),
505 --ignore-length ignore `Content-Length' header field.\n"),
507 --header=STRING insert STRING among the headers.\n"),
509 --max-redirect maximum redirections allowed per page.\n"),
511 --proxy-user=USER set USER as proxy username.\n"),
513 --proxy-password=PASS set PASS as proxy password.\n"),
515 --referer=URL include `Referer: URL' header in HTTP request.\n"),
517 --save-headers save the HTTP headers to file.\n"),
519 -U, --user-agent=AGENT identify as AGENT instead of Wget/VERSION.\n"),
521 --no-http-keep-alive disable HTTP keep-alive (persistent connections).\n"),
523 --no-cookies don't use cookies.\n"),
525 --load-cookies=FILE load cookies from FILE before session.\n"),
527 --save-cookies=FILE save cookies to FILE after session.\n"),
529 --keep-session-cookies load and save session (non-permanent) cookies.\n"),
531 --post-data=STRING use the POST method; send STRING as the data.\n"),
533 --post-file=FILE use the POST method; send contents of FILE.\n"),
535 --no-content-disposition don't honor Content-Disposition header.\n"),
540 HTTPS (SSL/TLS) options:\n"),
542 --secure-protocol=PR choose secure protocol, one of auto, SSLv2,\n\
543 SSLv3, and TLSv1.\n"),
545 --no-check-certificate don't validate the server's certificate.\n"),
547 --certificate=FILE client certificate file.\n"),
549 --certificate-type=TYPE client certificate type, PEM or DER.\n"),
551 --private-key=FILE private key file.\n"),
553 --private-key-type=TYPE private key type, PEM or DER.\n"),
555 --ca-certificate=FILE file with the bundle of CA's.\n"),
557 --ca-directory=DIR directory where hash list of CA's is stored.\n"),
559 --random-file=FILE file with random data for seeding the SSL PRNG.\n"),
561 --egd-file=FILE file naming the EGD socket with random data.\n"),
563 #endif /* HAVE_SSL */
568 --ftp-user=USER set ftp user to USER.\n"),
570 --ftp-password=PASS set ftp password to PASS.\n"),
572 --no-remove-listing don't remove `.listing' files.\n"),
574 --no-glob turn off FTP file name globbing.\n"),
576 --no-passive-ftp disable the \"passive\" transfer mode.\n"),
578 --retr-symlinks when recursing, get linked-to files (not dir).\n"),
580 --preserve-permissions preserve remote file permissions.\n"),
584 Recursive download:\n"),
586 -r, --recursive specify recursive download.\n"),
588 -l, --level=NUMBER maximum recursion depth (inf or 0 for infinite).\n"),
590 --delete-after delete files locally after downloading them.\n"),
592 -k, --convert-links make links in downloaded HTML point to local files.\n"),
594 -K, --backup-converted before converting file X, back up as X.orig.\n"),
596 -m, --mirror shortcut for -N -r -l inf --no-remove-listing.\n"),
598 -p, --page-requisites get all images, etc. needed to display HTML page.\n"),
600 --strict-comments turn on strict (SGML) handling of HTML comments.\n"),
604 Recursive accept/reject:\n"),
606 -A, --accept=LIST comma-separated list of accepted extensions.\n"),
608 -R, --reject=LIST comma-separated list of rejected extensions.\n"),
610 -D, --domains=LIST comma-separated list of accepted domains.\n"),
612 --exclude-domains=LIST comma-separated list of rejected domains.\n"),
614 --follow-ftp follow FTP links from HTML documents.\n"),
616 --follow-tags=LIST comma-separated list of followed HTML tags.\n"),
618 --ignore-tags=LIST comma-separated list of ignored HTML tags.\n"),
620 -H, --span-hosts go to foreign hosts when recursive.\n"),
622 -L, --relative follow relative links only.\n"),
624 -I, --include-directories=LIST list of allowed directories.\n"),
626 -X, --exclude-directories=LIST list of excluded directories.\n"),
628 -np, --no-parent don't ascend to the parent directory.\n"),
631 N_("Mail bug reports and suggestions to <bug-wget@gnu.org>.\n")
636 printf (_("GNU Wget %s, a non-interactive network retriever.\n"),
640 for (i = 0; i < countof (help); i++)
641 fputs (_(help[i]), stdout);
646 /* Return a human-readable printed representation of INTERVAL,
647 measured in seconds. */
650 secs_to_human_time (double interval)
653 int secs = (int) (interval + 0.5);
654 int hours, mins, days;
656 days = secs / 86400, secs %= 86400;
657 hours = secs / 3600, secs %= 3600;
658 mins = secs / 60, secs %= 60;
661 sprintf (buf, "%dd %dh %dm %ds", days, hours, mins, secs);
663 sprintf (buf, "%dh %dm %ds", hours, mins, secs);
665 sprintf (buf, "%dm %ds", mins, secs);
667 sprintf (buf, "%ss", print_decimal (interval));
675 printf ("GNU Wget %s\n\n", version_string);
677 Copyright (C) 2007 Free Software Foundation, Inc.\n"), stdout);
679 License GPLv3+: GNU GPL version 3 or later\n\
680 <http://www.gnu.org/licenses/gpl.html>.\n\
681 This is free software: you are free to change and redistribute it.\n\
682 There is NO WARRANTY, to the extent permitted by law.\n"), stdout);
683 fputs (_("\nOriginally written by Hrvoje Niksic <hniksic@xemacs.org>.\n"),
685 fputs (_("Currently maintained by Micah Cowan <micah@cowan.name>.\n"),
692 main (int argc, char *const *argv)
695 int i, ret, longindex;
697 bool append_to_log = false;
701 /* Construct the name of the executable, without the directory part. */
702 exec_name = strrchr (argv[0], PATH_SEPARATOR);
709 /* Drop extension (typically .EXE) from executable filename. */
710 windows_main ((char **) &exec_name);
713 /* Set option defaults; read the system wgetrc and ~/.wgetrc. */
718 while ((ret = getopt_long (argc, argv,
719 short_options, long_options, &longindex)) != -1)
722 struct cmdline_option *opt;
724 /* If LONGINDEX is unchanged, it means RET is referring a short
732 printf (_("Try `%s --help' for more options.\n"), exec_name);
735 /* Find the short option character in the mapping. */
736 longindex = optmap[ret - 32];
738 val = long_options[longindex].val;
740 /* Use the retrieved value to locate the option in the
741 option_data array, and to see if we're dealing with the
742 negated "--no-FOO" variant of the boolean option "--foo". */
743 opt = &option_data[val & ~BOOLEAN_NEG_MARKER];
747 setoptval (opt->data, optarg, opt->long_name);
751 /* The user has specified a value -- use it. */
752 setoptval (opt->data, optarg, opt->long_name);
755 /* NEG is true for `--no-FOO' style boolean options. */
756 bool neg = !!(val & BOOLEAN_NEG_MARKER);
757 setoptval (opt->data, neg ? "0" : "1", opt->long_name);
762 void (*func) (void) = (void (*) (void)) opt->data;
766 case OPT__APPEND_OUTPUT:
767 setoptval ("logfile", optarg, opt->long_name);
768 append_to_log = true;
771 run_command (optarg);
775 /* We support real --no-FOO flags now, but keep these
776 short options for convenience and backward
779 for (p = optarg; *p; p++)
783 setoptval ("verbose", "0", opt->long_name);
786 setoptval ("addhostdir", "0", opt->long_name);
789 setoptval ("dirstruct", "0", opt->long_name);
792 setoptval ("noclobber", "1", opt->long_name);
795 setoptval ("noparent", "1", opt->long_name);
798 printf (_("%s: illegal option -- `-n%c'\n"), exec_name, *p);
801 printf (_("Try `%s --help' for more options.\n"), exec_name);
809 /* The wgetrc commands are named noparent and noclobber,
810 so we must revert the meaning of the cmdline options
811 before passing the value to setoptval. */
814 flag = (*optarg == '1' || c_tolower (*optarg) == 'y'
815 || (c_tolower (optarg[0]) == 'o'
816 && c_tolower (optarg[1]) == 'n'));
817 setoptval (opt->type == OPT__PARENT ? "noparent" : "noclobber",
818 flag ? "0" : "1", opt->long_name);
821 case OPT__DONT_REMOVE_LISTING:
822 setoptval ("removelisting", "0", opt->long_name);
829 nurl = argc - optind;
831 /* All user options have now been processed, so it's now safe to do
832 interoption dependency checks. */
834 if (opt.reclevel == 0)
835 opt.reclevel = INFINITE_RECURSION; /* see recur.h for commentary on this */
837 if (opt.page_requisites && !opt.recursive)
839 /* Don't set opt.recursive here because it would confuse the FTP
840 code. Instead, call retrieve_tree below when either
841 page_requisites or recursive is requested. */
843 if (!opt.no_dirstruct)
844 opt.dirstruct = 1; /* normally handled by cmd_spec_recursive() */
847 if (opt.verbose == -1)
848 opt.verbose = !opt.quiet;
851 if (opt.verbose && opt.quiet)
853 printf (_("Can't be verbose and quiet at the same time.\n"));
857 if (opt.timestamping && opt.noclobber)
860 Can't timestamp and not clobber old files at the same time.\n"));
865 if (opt.ipv4_only && opt.ipv6_only)
867 printf (_("Cannot specify both --inet4-only and --inet6-only.\n"));
872 if (opt.output_document
873 && (opt.page_requisites
875 || opt.timestamping))
877 printf (_("Cannot specify -r, -p or -N if -O is given.\n"));
881 if (opt.output_document
885 printf (_("Cannot specify both -k and -O if multiple URLs are given.\n"));
890 if (!nurl && !opt.input_filename)
892 /* No URL specified. */
893 printf (_("%s: missing URL\n"), exec_name);
896 /* #### Something nicer should be printed here -- similar to the
897 pre-1.5 `--help' page. */
898 printf (_("Try `%s --help' for more options.\n"), exec_name);
908 fork_to_background ();
911 /* Initialize progress. Have to do this after the options are
912 processed so we know where the log file is. */
914 set_progress_implementation (opt.progress_type);
916 /* Fill in the arguments. */
917 url = alloca_array (char *, nurl + 1);
918 for (i = 0; i < nurl; i++, optind++)
920 char *rewritten = rewrite_shorthand_url (argv[optind]);
924 url[i] = xstrdup (argv[optind]);
928 /* Initialize logging. */
929 log_init (opt.lfilename, append_to_log);
931 DEBUGP (("DEBUG output created by Wget %s on %s.\n\n", version_string,
934 /* Open the output filename if necessary. */
935 if (opt.output_document)
937 if (HYPHENP (opt.output_document))
938 output_stream = stdout;
942 output_stream = fopen (opt.output_document,
943 opt.always_rest ? "ab" : "wb");
944 if (output_stream == NULL)
946 perror (opt.output_document);
949 if (fstat (fileno (output_stream), &st) == 0 && S_ISREG (st.st_mode))
950 output_stream_regular = true;
959 /* Setup the signal handler to redirect output when hangup is
961 if (signal(SIGHUP, SIG_IGN) != SIG_IGN)
962 signal(SIGHUP, redirect_output_signal);
964 /* ...and do the same for SIGUSR1. */
966 signal (SIGUSR1, redirect_output_signal);
969 /* Writing to a closed socket normally signals SIGPIPE, and the
970 process exits. What we want is to ignore SIGPIPE and just check
971 for the return value of write(). */
972 signal (SIGPIPE, SIG_IGN);
975 signal (SIGWINCH, progress_handle_sigwinch);
978 status = RETROK; /* initialize it, just-in-case */
979 /* Retrieve the URLs from argument list. */
980 for (t = url; *t; t++)
982 char *filename = NULL, *redirected_URL = NULL;
985 if ((opt.recursive || opt.page_requisites)
986 && (url_scheme (*t) != SCHEME_FTP || url_uses_proxy (*t)))
988 int old_follow_ftp = opt.follow_ftp;
990 /* Turn opt.follow_ftp on in case of recursive FTP retrieval */
991 if (url_scheme (*t) == SCHEME_FTP)
994 status = retrieve_tree (*t);
996 opt.follow_ftp = old_follow_ftp;
999 status = retrieve_url (*t, &filename, &redirected_URL, NULL, &dt, opt.recursive);
1001 if (opt.delete_after && file_exists_p(filename))
1003 DEBUGP (("Removing file due to --delete-after in main():\n"));
1004 logprintf (LOG_VERBOSE, _("Removing %s.\n"), filename);
1005 if (unlink (filename))
1006 logprintf (LOG_NOTQUIET, "unlink: %s\n", strerror (errno));
1009 xfree_null (redirected_URL);
1010 xfree_null (filename);
1013 /* And then from the input file, if any. */
1014 if (opt.input_filename)
1017 status = retrieve_from_file (opt.input_filename, opt.force_html, &count);
1019 logprintf (LOG_NOTQUIET, _("No URLs found in %s.\n"),
1020 opt.input_filename);
1023 /* Print broken links. */
1024 if (opt.recursive && opt.spider)
1026 print_broken_links();
1029 /* Print the downloaded sum. */
1030 if ((opt.recursive || opt.page_requisites
1032 || (opt.input_filename && total_downloaded_bytes != 0))
1034 total_downloaded_bytes != 0)
1036 logprintf (LOG_NOTQUIET,
1037 _("FINISHED --%s--\nDownloaded: %d files, %s in %s (%s)\n"),
1038 datetime_str (time (NULL)),
1040 human_readable (total_downloaded_bytes),
1041 secs_to_human_time (total_download_time),
1042 retr_rate (total_downloaded_bytes, total_download_time));
1043 /* Print quota warning, if exceeded. */
1044 if (opt.quota && total_downloaded_bytes > opt.quota)
1045 logprintf (LOG_NOTQUIET,
1046 _("Download quota of %s EXCEEDED!\n"),
1047 human_readable (opt.quota));
1050 if (opt.cookies_output)
1053 if (opt.convert_links && !opt.delete_after)
1054 convert_all_links ();
1057 for (i = 0; i < nurl; i++)
1062 print_malloc_debug_stats ();
1064 if (status == RETROK)
1069 #endif /* TESTING */
1071 #if defined(SIGHUP) || defined(SIGUSR1)
1073 /* So the signal_name check doesn't blow when only one is available. */
1081 /* Hangup signal handler. When wget receives SIGHUP or SIGUSR1, it
1082 will proceed operation as usual, trying to write into a log file.
1083 If that is impossible, the output will be turned off. */
1086 redirect_output_signal (int sig)
1088 const char *signal_name = (sig == SIGHUP ? "SIGHUP" :
1089 (sig == SIGUSR1 ? "SIGUSR1" :
1091 log_request_redirect_output (signal_name);
1092 progress_schedule_redirect ();
1093 signal (sig, redirect_output_signal);