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 */
56 #include "progress.h" /* for progress_handle_sigwinch */
59 #include "http.h" /* for save_cookies */
65 #ifndef PATH_SEPARATOR
66 # define PATH_SEPARATOR '/'
71 extern char *version_string;
73 #if defined(SIGHUP) || defined(SIGUSR1)
74 static void redirect_output_signal (int);
77 const char *exec_name;
80 /* Initialize I18N/L10N. That amounts to invoking setlocale, and
81 setting up gettext's message catalog using bindtextdomain and
82 textdomain. Does nothing if NLS is disabled or missing. */
85 i18n_initialize (void)
87 /* ENABLE_NLS implies existence of functions invoked here. */
89 /* Set the current locale. */
90 setlocale (LC_ALL, "");
91 /* Set the text message domain. */
92 bindtextdomain ("wget", LOCALEDIR);
94 #endif /* ENABLE_NLS */
97 /* Definition of command-line options. */
99 static void print_help (void);
100 static void print_version (void);
105 # define IF_SSL(x) NULL
109 # define WHEN_DEBUG(x) x
111 # define WHEN_DEBUG(x) NULL
114 struct cmdline_option {
115 const char *long_name;
121 /* Non-standard options that have to be handled specially in
125 OPT__DONT_REMOVE_LISTING,
130 const void *data; /* for standard options */
131 int argtype; /* for non-standard options */
134 static struct cmdline_option option_data[] =
136 { "accept", 'A', OPT_VALUE, "accept", -1 },
137 { "append-output", 'a', OPT__APPEND_OUTPUT, NULL, required_argument },
138 { "ask-password", 0, OPT_BOOLEAN, "askpassword", -1 },
139 { "auth-no-challenge", 0, OPT_BOOLEAN, "authnochallenge", -1 },
140 { "background", 'b', OPT_BOOLEAN, "background", -1 },
141 { "backup-converted", 'K', OPT_BOOLEAN, "backupconverted", -1 },
142 { "backups", 0, OPT_BOOLEAN, "backups", -1 },
143 { "base", 'B', OPT_VALUE, "base", -1 },
144 { "bind-address", 0, OPT_VALUE, "bindaddress", -1 },
145 { IF_SSL ("ca-certificate"), 0, OPT_VALUE, "cacertificate", -1 },
146 { IF_SSL ("ca-directory"), 0, OPT_VALUE, "cadirectory", -1 },
147 { "cache", 0, OPT_BOOLEAN, "cache", -1 },
148 { IF_SSL ("certificate"), 0, OPT_VALUE, "certificate", -1 },
149 { IF_SSL ("certificate-type"), 0, OPT_VALUE, "certificatetype", -1 },
150 { IF_SSL ("check-certificate"), 0, OPT_BOOLEAN, "checkcertificate", -1 },
151 { "clobber", 0, OPT__CLOBBER, NULL, optional_argument },
152 { "connect-timeout", 0, OPT_VALUE, "connecttimeout", -1 },
153 { "continue", 'c', OPT_BOOLEAN, "continue", -1 },
154 { "convert-links", 'k', OPT_BOOLEAN, "convertlinks", -1 },
155 { "content-disposition", 0, OPT_BOOLEAN, "contentdisposition", -1 },
156 { "cookies", 0, OPT_BOOLEAN, "cookies", -1 },
157 { "cut-dirs", 0, OPT_VALUE, "cutdirs", -1 },
158 { WHEN_DEBUG ("debug"), 'd', OPT_BOOLEAN, "debug", -1 },
159 { "delete-after", 0, OPT_BOOLEAN, "deleteafter", -1 },
160 { "directories", 0, OPT_BOOLEAN, "dirstruct", -1 },
161 { "directory-prefix", 'P', OPT_VALUE, "dirprefix", -1 },
162 { "dns-cache", 0, OPT_BOOLEAN, "dnscache", -1 },
163 { "dns-timeout", 0, OPT_VALUE, "dnstimeout", -1 },
164 { "domains", 'D', OPT_VALUE, "domains", -1 },
165 { "dont-remove-listing", 0, OPT__DONT_REMOVE_LISTING, NULL, no_argument },
166 { "dot-style", 0, OPT_VALUE, "dotstyle", -1 },
167 { "egd-file", 0, OPT_VALUE, "egdfile", -1 },
168 { "exclude-directories", 'X', OPT_VALUE, "excludedirectories", -1 },
169 { "exclude-domains", 0, OPT_VALUE, "excludedomains", -1 },
170 { "execute", 'e', OPT__EXECUTE, NULL, required_argument },
171 { "follow-ftp", 0, OPT_BOOLEAN, "followftp", -1 },
172 { "follow-tags", 0, OPT_VALUE, "followtags", -1 },
173 { "force-directories", 'x', OPT_BOOLEAN, "dirstruct", -1 },
174 { "force-html", 'F', OPT_BOOLEAN, "forcehtml", -1 },
175 { "ftp-password", 0, OPT_VALUE, "ftppassword", -1 },
176 { "ftp-user", 0, OPT_VALUE, "ftpuser", -1 },
177 { "glob", 0, OPT_BOOLEAN, "glob", -1 },
178 { "header", 0, OPT_VALUE, "header", -1 },
179 { "help", 'h', OPT_FUNCALL, (void *)print_help, no_argument },
180 { "host-directories", 0, OPT_BOOLEAN, "addhostdir", -1 },
181 { "html-extension", 'E', OPT_BOOLEAN, "htmlextension", -1 },
182 { "htmlify", 0, OPT_BOOLEAN, "htmlify", -1 },
183 { "http-keep-alive", 0, OPT_BOOLEAN, "httpkeepalive", -1 },
184 { "http-passwd", 0, OPT_VALUE, "httppassword", -1 }, /* deprecated */
185 { "http-password", 0, OPT_VALUE, "httppassword", -1 },
186 { "http-user", 0, OPT_VALUE, "httpuser", -1 },
187 { "ignore-case", 0, OPT_BOOLEAN, "ignorecase", -1 },
188 { "ignore-length", 0, OPT_BOOLEAN, "ignorelength", -1 },
189 { "ignore-tags", 0, OPT_VALUE, "ignoretags", -1 },
190 { "include-directories", 'I', OPT_VALUE, "includedirectories", -1 },
192 { "inet4-only", '4', OPT_BOOLEAN, "inet4only", -1 },
193 { "inet6-only", '6', OPT_BOOLEAN, "inet6only", -1 },
195 { "input-file", 'i', OPT_VALUE, "input", -1 },
197 { "iri", 0, OPT_BOOLEAN, "iri", -1 },
199 { "keep-session-cookies", 0, OPT_BOOLEAN, "keepsessioncookies", -1 },
200 { "level", 'l', OPT_VALUE, "reclevel", -1 },
201 { "limit-rate", 0, OPT_VALUE, "limitrate", -1 },
202 { "load-cookies", 0, OPT_VALUE, "loadcookies", -1 },
204 { "locale", 0, OPT_VALUE, "locale", -1 },
206 { "max-redirect", 0, OPT_VALUE, "maxredirect", -1 },
207 { "mirror", 'm', OPT_BOOLEAN, "mirror", -1 },
208 { "no", 'n', OPT__NO, NULL, required_argument },
209 { "no-clobber", 0, OPT_BOOLEAN, "noclobber", -1 },
210 { "no-parent", 0, OPT_BOOLEAN, "noparent", -1 },
211 { "output-document", 'O', OPT_VALUE, "outputdocument", -1 },
212 { "output-file", 'o', OPT_VALUE, "logfile", -1 },
213 { "page-requisites", 'p', OPT_BOOLEAN, "pagerequisites", -1 },
214 { "parent", 0, OPT__PARENT, NULL, optional_argument },
215 { "passive-ftp", 0, OPT_BOOLEAN, "passiveftp", -1 },
216 { "password", 0, OPT_VALUE, "password", -1 },
217 { "post-data", 0, OPT_VALUE, "postdata", -1 },
218 { "post-file", 0, OPT_VALUE, "postfile", -1 },
219 { "prefer-family", 0, OPT_VALUE, "preferfamily", -1 },
220 { "preserve-permissions", 0, OPT_BOOLEAN, "preservepermissions", -1 },
221 { IF_SSL ("private-key"), 0, OPT_VALUE, "privatekey", -1 },
222 { IF_SSL ("private-key-type"), 0, OPT_VALUE, "privatekeytype", -1 },
223 { "progress", 0, OPT_VALUE, "progress", -1 },
224 { "protocol-directories", 0, OPT_BOOLEAN, "protocoldirectories", -1 },
225 { "proxy", 0, OPT_BOOLEAN, "useproxy", -1 },
226 { "proxy__compat", 'Y', OPT_VALUE, "useproxy", -1 }, /* back-compatible */
227 { "proxy-passwd", 0, OPT_VALUE, "proxypassword", -1 }, /* deprecated */
228 { "proxy-password", 0, OPT_VALUE, "proxypassword", -1 },
229 { "proxy-user", 0, OPT_VALUE, "proxyuser", -1 },
230 { "quiet", 'q', OPT_BOOLEAN, "quiet", -1 },
231 { "quota", 'Q', OPT_VALUE, "quota", -1 },
232 { "random-file", 0, OPT_VALUE, "randomfile", -1 },
233 { "random-wait", 0, OPT_BOOLEAN, "randomwait", -1 },
234 { "read-timeout", 0, OPT_VALUE, "readtimeout", -1 },
235 { "recursive", 'r', OPT_BOOLEAN, "recursive", -1 },
236 { "referer", 0, OPT_VALUE, "referer", -1 },
237 { "reject", 'R', OPT_VALUE, "reject", -1 },
238 { "relative", 'L', OPT_BOOLEAN, "relativeonly", -1 },
240 { "remote-encoding", 0, OPT_VALUE, "remoteencoding", -1},
242 { "remove-listing", 0, OPT_BOOLEAN, "removelisting", -1 },
243 { "restrict-file-names", 0, OPT_BOOLEAN, "restrictfilenames", -1 },
244 { "retr-symlinks", 0, OPT_BOOLEAN, "retrsymlinks", -1 },
245 { "retry-connrefused", 0, OPT_BOOLEAN, "retryconnrefused", -1 },
246 { "save-cookies", 0, OPT_VALUE, "savecookies", -1 },
247 { "save-headers", 0, OPT_BOOLEAN, "saveheaders", -1 },
248 { IF_SSL ("secure-protocol"), 0, OPT_VALUE, "secureprotocol", -1 },
249 { "server-response", 'S', OPT_BOOLEAN, "serverresponse", -1 },
250 { "span-hosts", 'H', OPT_BOOLEAN, "spanhosts", -1 },
251 { "spider", 0, OPT_BOOLEAN, "spider", -1 },
252 { "strict-comments", 0, OPT_BOOLEAN, "strictcomments", -1 },
253 { "timeout", 'T', OPT_VALUE, "timeout", -1 },
254 { "timestamping", 'N', OPT_BOOLEAN, "timestamping", -1 },
255 { "tries", 't', OPT_VALUE, "tries", -1 },
256 { "user", 0, OPT_VALUE, "user", -1 },
257 { "user-agent", 'U', OPT_VALUE, "useragent", -1 },
258 { "verbose", 'v', OPT_BOOLEAN, "verbose", -1 },
259 { "verbose", 0, OPT_BOOLEAN, "verbose", -1 },
260 { "version", 'V', OPT_FUNCALL, (void *) print_version, no_argument },
261 { "wait", 'w', OPT_VALUE, "wait", -1 },
262 { "waitretry", 0, OPT_VALUE, "waitretry", -1 },
264 { "wdebug", 0, OPT_BOOLEAN, "wdebug", -1 },
271 /* Return a string that contains S with "no-" prepended. The string
272 is NUL-terminated and allocated off static storage at Wget
276 no_prefix (const char *s)
278 static char buffer[1024];
279 static char *p = buffer;
282 int size = 3 + strlen (s) + 1; /* "no-STRING\0" */
283 if (p + size >= buffer + sizeof (buffer))
286 cp[0] = 'n', cp[1] = 'o', cp[2] = '-';
292 /* The arguments that that main passes to getopt_long. */
293 static struct option long_options[2 * countof (option_data) + 1];
294 static char short_options[128];
296 /* Mapping between short option chars and option_data indices. */
297 static unsigned char optmap[96];
299 /* Marker for `--no-FOO' values in long_options. */
300 #define BOOLEAN_NEG_MARKER 1024
302 /* Initialize the long_options array used by getopt_long from the data
308 char *p = short_options;
310 for (i = 0; i < countof (option_data); i++)
312 struct cmdline_option *opt = &option_data[i];
313 struct option *longopt;
316 /* The option is disabled. */
319 longopt = &long_options[o++];
320 longopt->name = opt->long_name;
324 *p++ = opt->short_name;
325 optmap[opt->short_name - 32] = longopt - long_options;
330 longopt->has_arg = required_argument;
335 /* Specify an optional argument for long options, so that
336 --option=off works the same as --no-option, for
337 compatibility with pre-1.10 Wget. However, don't specify
338 optional arguments short-option booleans because they
339 prevent combining of short options. */
340 longopt->has_arg = optional_argument;
341 /* For Boolean options, add the "--no-FOO" variant, which is
342 identical to "--foo", except it has opposite meaning and
343 it doesn't allow an argument. */
344 longopt = &long_options[o++];
345 longopt->name = no_prefix (opt->long_name);
346 longopt->has_arg = no_argument;
347 /* Mask the value so we'll be able to recognize that we're
348 dealing with the false value. */
349 longopt->val = i | BOOLEAN_NEG_MARKER;
352 assert (opt->argtype != -1);
353 longopt->has_arg = opt->argtype;
356 if (longopt->has_arg == required_argument)
358 /* Don't handle optional_argument */
362 /* Terminate short_options. */
364 /* No need for xzero(long_options[o]) because its storage is static
365 and it will be zeroed by default. */
366 assert (o <= countof (long_options));
369 /* Print the usage message. */
373 printf (_("Usage: %s [OPTION]... [URL]...\n"), exec_name);
376 /* Print the help message, describing all the available options. If
377 you add an option, be sure to update this list. */
381 /* We split the help text this way to ease translation of individual
383 static const char *help[] = {
386 Mandatory arguments to long options are mandatory for short options too.\n\n"),
390 -V, --version display the version of Wget and exit.\n"),
392 -h, --help print this help.\n"),
394 -b, --background go to background after startup.\n"),
396 -e, --execute=COMMAND execute a `.wgetrc'-style command.\n"),
400 Logging and input file:\n"),
402 -o, --output-file=FILE log messages to FILE.\n"),
404 -a, --append-output=FILE append messages to FILE.\n"),
407 -d, --debug print lots of debugging information.\n"),
411 --wdebug print Watt-32 debug output.\n"),
414 -q, --quiet quiet (no output).\n"),
416 -v, --verbose be verbose (this is the default).\n"),
418 -nv, --no-verbose turn off verboseness, without being quiet.\n"),
420 -i, --input-file=FILE download URLs found in FILE.\n"),
422 -F, --force-html treat input file as HTML.\n"),
424 -B, --base=URL prepends URL to relative links in -F -i file.\n"),
430 -t, --tries=NUMBER set number of retries to NUMBER (0 unlimits).\n"),
432 --retry-connrefused retry even if connection is refused.\n"),
434 -O, --output-document=FILE write documents to FILE.\n"),
436 -nc, --no-clobber skip downloads that would download to\n\
439 -c, --continue resume getting a partially-downloaded file.\n"),
441 --progress=TYPE select progress gauge type.\n"),
443 -N, --timestamping don't re-retrieve files unless newer than\n\
446 -S, --server-response print server response.\n"),
448 --spider don't download anything.\n"),
450 -T, --timeout=SECONDS set all timeout values to SECONDS.\n"),
452 --dns-timeout=SECS set the DNS lookup timeout to SECS.\n"),
454 --connect-timeout=SECS set the connect timeout to SECS.\n"),
456 --read-timeout=SECS set the read timeout to SECS.\n"),
458 -w, --wait=SECONDS wait SECONDS between retrievals.\n"),
460 --waitretry=SECONDS wait 1..SECONDS between retries of a retrieval.\n"),
462 --random-wait wait from 0...2*WAIT secs between retrievals.\n"),
464 --no-proxy explicitly turn off proxy.\n"),
466 -Q, --quota=NUMBER set retrieval quota to NUMBER.\n"),
468 --bind-address=ADDRESS bind to ADDRESS (hostname or IP) on local host.\n"),
470 --limit-rate=RATE limit download rate to RATE.\n"),
472 --no-dns-cache disable caching DNS lookups.\n"),
474 --restrict-file-names=OS restrict chars in file names to ones OS allows.\n"),
476 --ignore-case ignore case when matching files/directories.\n"),
479 -4, --inet4-only connect only to IPv4 addresses.\n"),
481 -6, --inet6-only connect only to IPv6 addresses.\n"),
483 --prefer-family=FAMILY connect first to addresses of specified family,\n\
484 one of IPv6, IPv4, or none.\n"),
487 --user=USER set both ftp and http user to USER.\n"),
489 --password=PASS set both ftp and http password to PASS.\n"),
491 --ask-password prompt for passwords.\n"),
497 -nd, --no-directories don't create directories.\n"),
499 -x, --force-directories force creation of directories.\n"),
501 -nH, --no-host-directories don't create host directories.\n"),
503 --protocol-directories use protocol name in directories.\n"),
505 -P, --directory-prefix=PREFIX save files to PREFIX/...\n"),
507 --cut-dirs=NUMBER ignore NUMBER remote directory components.\n"),
513 --http-user=USER set http user to USER.\n"),
515 --http-password=PASS set http password to PASS.\n"),
517 --no-cache disallow server-cached data.\n"),
519 -E, --html-extension save HTML documents with `.html' extension.\n"),
521 --ignore-length ignore `Content-Length' header field.\n"),
523 --header=STRING insert STRING among the headers.\n"),
525 --max-redirect maximum redirections allowed per page.\n"),
527 --proxy-user=USER set USER as proxy username.\n"),
529 --proxy-password=PASS set PASS as proxy password.\n"),
531 --referer=URL include `Referer: URL' header in HTTP request.\n"),
533 --save-headers save the HTTP headers to file.\n"),
535 -U, --user-agent=AGENT identify as AGENT instead of Wget/VERSION.\n"),
537 --no-http-keep-alive disable HTTP keep-alive (persistent connections).\n"),
539 --no-cookies don't use cookies.\n"),
541 --load-cookies=FILE load cookies from FILE before session.\n"),
543 --save-cookies=FILE save cookies to FILE after session.\n"),
545 --keep-session-cookies load and save session (non-permanent) cookies.\n"),
547 --post-data=STRING use the POST method; send STRING as the data.\n"),
549 --post-file=FILE use the POST method; send contents of FILE.\n"),
551 --content-disposition honor the Content-Disposition header when\n\
552 choosing local file names (EXPERIMENTAL).\n"),
554 --auth-no-challenge Send Basic HTTP authentication information\n\
555 without first waiting for the server's\n\
561 HTTPS (SSL/TLS) options:\n"),
563 --secure-protocol=PR choose secure protocol, one of auto, SSLv2,\n\
564 SSLv3, and TLSv1.\n"),
566 --no-check-certificate don't validate the server's certificate.\n"),
568 --certificate=FILE client certificate file.\n"),
570 --certificate-type=TYPE client certificate type, PEM or DER.\n"),
572 --private-key=FILE private key file.\n"),
574 --private-key-type=TYPE private key type, PEM or DER.\n"),
576 --ca-certificate=FILE file with the bundle of CA's.\n"),
578 --ca-directory=DIR directory where hash list of CA's is stored.\n"),
580 --random-file=FILE file with random data for seeding the SSL PRNG.\n"),
582 --egd-file=FILE file naming the EGD socket with random data.\n"),
584 #endif /* HAVE_SSL */
589 --ftp-user=USER set ftp user to USER.\n"),
591 --ftp-password=PASS set ftp password to PASS.\n"),
593 --no-remove-listing don't remove `.listing' files.\n"),
595 --no-glob turn off FTP file name globbing.\n"),
597 --no-passive-ftp disable the \"passive\" transfer mode.\n"),
599 --retr-symlinks when recursing, get linked-to files (not dir).\n"),
601 --preserve-permissions preserve remote file permissions.\n"),
605 Recursive download:\n"),
607 -r, --recursive specify recursive download.\n"),
609 -l, --level=NUMBER maximum recursion depth (inf or 0 for infinite).\n"),
611 --delete-after delete files locally after downloading them.\n"),
613 -k, --convert-links make links in downloaded HTML point to local files.\n"),
615 -K, --backup-converted before converting file X, back up as X.orig.\n"),
617 -m, --mirror shortcut for -N -r -l inf --no-remove-listing.\n"),
619 -p, --page-requisites get all images, etc. needed to display HTML page.\n"),
621 --strict-comments turn on strict (SGML) handling of HTML comments.\n"),
625 Recursive accept/reject:\n"),
627 -A, --accept=LIST comma-separated list of accepted extensions.\n"),
629 -R, --reject=LIST comma-separated list of rejected extensions.\n"),
631 -D, --domains=LIST comma-separated list of accepted domains.\n"),
633 --exclude-domains=LIST comma-separated list of rejected domains.\n"),
635 --follow-ftp follow FTP links from HTML documents.\n"),
637 --follow-tags=LIST comma-separated list of followed HTML tags.\n"),
639 --ignore-tags=LIST comma-separated list of ignored HTML tags.\n"),
641 -H, --span-hosts go to foreign hosts when recursive.\n"),
643 -L, --relative follow relative links only.\n"),
645 -I, --include-directories=LIST list of allowed directories.\n"),
647 -X, --exclude-directories=LIST list of excluded directories.\n"),
649 -np, --no-parent don't ascend to the parent directory.\n"),
652 N_("Mail bug reports and suggestions to <bug-wget@gnu.org>.\n")
657 printf (_("GNU Wget %s, a non-interactive network retriever.\n"),
661 for (i = 0; i < countof (help); i++)
662 fputs (_(help[i]), stdout);
667 /* Return a human-readable printed representation of INTERVAL,
668 measured in seconds. */
671 secs_to_human_time (double interval)
674 int secs = (int) (interval + 0.5);
675 int hours, mins, days;
677 days = secs / 86400, secs %= 86400;
678 hours = secs / 3600, secs %= 3600;
679 mins = secs / 60, secs %= 60;
682 sprintf (buf, "%dd %dh %dm %ds", days, hours, mins, secs);
684 sprintf (buf, "%dh %dm %ds", hours, mins, secs);
686 sprintf (buf, "%dm %ds", mins, secs);
688 sprintf (buf, "%ss", print_decimal (interval));
694 prompt_for_password (void)
697 printf (_("Password for user %s: "), quote (opt.user));
699 printf (_("Password: "));
706 printf ("GNU Wget %s\n\n", version_string);
707 /* TRANSLATORS: When available, an actual copyright character
708 (cirle-c) should be used in preference to "(C)". */
710 Copyright (C) 2008 Free Software Foundation, Inc.\n"), stdout);
712 License GPLv3+: GNU GPL version 3 or later\n\
713 <http://www.gnu.org/licenses/gpl.html>.\n\
714 This is free software: you are free to change and redistribute it.\n\
715 There is NO WARRANTY, to the extent permitted by law.\n"), stdout);
716 /* TRANSLATORS: When available, please use the proper diacritics for
717 names such as this one. See en_US.po for reference. */
718 fputs (_("\nOriginally written by Hrvoje Niksic <hniksic@xemacs.org>.\n"),
720 fputs (_("Currently maintained by Micah Cowan <micah@cowan.name>.\n"),
727 main (int argc, char **argv)
730 int i, ret, longindex;
732 bool append_to_log = false;
736 /* Construct the name of the executable, without the directory part. */
737 exec_name = strrchr (argv[0], PATH_SEPARATOR);
744 /* Drop extension (typically .EXE) from executable filename. */
745 windows_main ((char **) &exec_name);
748 /* Set option defaults; read the system wgetrc and ~/.wgetrc. */
753 while ((ret = getopt_long (argc, argv,
754 short_options, long_options, &longindex)) != -1)
757 struct cmdline_option *opt;
759 /* If LONGINDEX is unchanged, it means RET is referring a short
767 printf (_("Try `%s --help' for more options.\n"), exec_name);
770 /* Find the short option character in the mapping. */
771 longindex = optmap[ret - 32];
773 val = long_options[longindex].val;
775 /* Use the retrieved value to locate the option in the
776 option_data array, and to see if we're dealing with the
777 negated "--no-FOO" variant of the boolean option "--foo". */
778 opt = &option_data[val & ~BOOLEAN_NEG_MARKER];
782 setoptval (opt->data, optarg, opt->long_name);
786 /* The user has specified a value -- use it. */
787 setoptval (opt->data, optarg, opt->long_name);
790 /* NEG is true for `--no-FOO' style boolean options. */
791 bool neg = !!(val & BOOLEAN_NEG_MARKER);
792 setoptval (opt->data, neg ? "0" : "1", opt->long_name);
797 void (*func) (void) = (void (*) (void)) opt->data;
801 case OPT__APPEND_OUTPUT:
802 setoptval ("logfile", optarg, opt->long_name);
803 append_to_log = true;
806 run_command (optarg);
810 /* We support real --no-FOO flags now, but keep these
811 short options for convenience and backward
814 for (p = optarg; *p; p++)
818 setoptval ("verbose", "0", opt->long_name);
821 setoptval ("addhostdir", "0", opt->long_name);
824 setoptval ("dirstruct", "0", opt->long_name);
827 setoptval ("noclobber", "1", opt->long_name);
830 setoptval ("noparent", "1", opt->long_name);
833 printf (_("%s: illegal option -- `-n%c'\n"), exec_name, *p);
836 printf (_("Try `%s --help' for more options.\n"), exec_name);
844 /* The wgetrc commands are named noparent and noclobber,
845 so we must revert the meaning of the cmdline options
846 before passing the value to setoptval. */
849 flag = (*optarg == '1' || c_tolower (*optarg) == 'y'
850 || (c_tolower (optarg[0]) == 'o'
851 && c_tolower (optarg[1]) == 'n'));
852 setoptval (opt->type == OPT__PARENT ? "noparent" : "noclobber",
853 flag ? "0" : "1", opt->long_name);
856 case OPT__DONT_REMOVE_LISTING:
857 setoptval ("removelisting", "0", opt->long_name);
864 nurl = argc - optind;
866 /* All user options have now been processed, so it's now safe to do
867 interoption dependency checks. */
869 if (opt.reclevel == 0)
870 opt.reclevel = INFINITE_RECURSION; /* see recur.h for commentary */
872 if (opt.spider || opt.delete_after)
873 opt.no_dirstruct = true;
875 if (opt.page_requisites && !opt.recursive)
877 /* Don't set opt.recursive here because it would confuse the FTP
878 code. Instead, call retrieve_tree below when either
879 page_requisites or recursive is requested. */
881 if (!opt.no_dirstruct)
882 opt.dirstruct = 1; /* normally handled by cmd_spec_recursive() */
885 if (opt.verbose == -1)
886 opt.verbose = !opt.quiet;
889 if (opt.verbose && opt.quiet)
891 printf (_("Can't be verbose and quiet at the same time.\n"));
895 if (opt.timestamping && opt.noclobber)
898 Can't timestamp and not clobber old files at the same time.\n"));
903 if (opt.ipv4_only && opt.ipv6_only)
905 printf (_("Cannot specify both --inet4-only and --inet6-only.\n"));
910 if (opt.output_document)
912 if (opt.convert_links
913 && (nurl > 1 || opt.page_requisites || opt.recursive))
916 Cannot specify both -k and -O if multiple URLs are given, or in combination\n\
917 with -p or -r. See the manual for details.\n\n"), stdout);
921 if (opt.page_requisites
924 logprintf (LOG_NOTQUIET, "%s", _("\
925 WARNING: combining -O with -r or -p will mean that all downloaded content\n\
926 will be placed in the single file you specified.\n\n"));
928 if (opt.timestamping)
930 logprintf (LOG_NOTQUIET, "%s", _("\
931 WARNING: timestamping does nothing in combination with -O. See the manual\n\
933 opt.timestamping = false;
935 if (opt.noclobber && file_exists_p(opt.output_document))
937 /* Check if output file exists; if it does, exit. */
938 logprintf (LOG_VERBOSE, _("File `%s' already there; not retrieving.\n"), opt.output_document);
943 if (opt.ask_passwd && opt.passwd)
945 printf (_("Cannot specify both --ask-password and --password.\n"));
950 if (!nurl && !opt.input_filename)
952 /* No URL specified. */
953 printf (_("%s: missing URL\n"), exec_name);
956 /* #### Something nicer should be printed here -- similar to the
957 pre-1.5 `--help' page. */
958 printf (_("Try `%s --help' for more options.\n"), exec_name);
967 opt.locale = getenv ("CHARSET");
969 if (opt.locale == NULL)
970 opt.locale = nl_langinfo(CODESET);
974 /* sXXXav : check given locale */
975 logprintf (LOG_VERBOSE, "Check the locale...\n");
982 opt.passwd = prompt_for_password ();
984 if (opt.passwd == NULL || opt.passwd[0] == '\0')
994 fork_to_background ();
997 /* Initialize progress. Have to do this after the options are
998 processed so we know where the log file is. */
1000 set_progress_implementation (opt.progress_type);
1002 /* Fill in the arguments. */
1003 url = alloca_array (char *, nurl + 1);
1004 for (i = 0; i < nurl; i++, optind++)
1006 char *rewritten = rewrite_shorthand_url (argv[optind]);
1010 url[i] = xstrdup (argv[optind]);
1014 /* Initialize logging. */
1015 log_init (opt.lfilename, append_to_log);
1017 DEBUGP (("DEBUG output created by Wget %s on %s.\n\n", version_string,
1020 /* Open the output filename if necessary. */
1021 if (opt.output_document)
1023 if (HYPHENP (opt.output_document))
1024 output_stream = stdout;
1028 output_stream = fopen (opt.output_document,
1029 opt.always_rest ? "ab" : "wb");
1030 if (output_stream == NULL)
1032 perror (opt.output_document);
1035 if (fstat (fileno (output_stream), &st) == 0 && S_ISREG (st.st_mode))
1036 output_stream_regular = true;
1045 /* Setup the signal handler to redirect output when hangup is
1047 if (signal(SIGHUP, SIG_IGN) != SIG_IGN)
1048 signal(SIGHUP, redirect_output_signal);
1050 /* ...and do the same for SIGUSR1. */
1052 signal (SIGUSR1, redirect_output_signal);
1055 /* Writing to a closed socket normally signals SIGPIPE, and the
1056 process exits. What we want is to ignore SIGPIPE and just check
1057 for the return value of write(). */
1058 signal (SIGPIPE, SIG_IGN);
1061 signal (SIGWINCH, progress_handle_sigwinch);
1064 status = RETROK; /* initialize it, just-in-case */
1065 /* Retrieve the URLs from argument list. */
1066 for (t = url; *t; t++)
1068 char *filename = NULL, *redirected_URL = NULL;
1071 if ((opt.recursive || opt.page_requisites)
1072 && (url_scheme (*t) != SCHEME_FTP || url_uses_proxy (*t)))
1074 int old_follow_ftp = opt.follow_ftp;
1076 /* Turn opt.follow_ftp on in case of recursive FTP retrieval */
1077 if (url_scheme (*t) == SCHEME_FTP)
1080 status = retrieve_tree (*t);
1082 opt.follow_ftp = old_follow_ftp;
1085 status = retrieve_url (*t, &filename, &redirected_URL, NULL, &dt, opt.recursive);
1087 if (opt.delete_after && file_exists_p(filename))
1089 DEBUGP (("Removing file due to --delete-after in main():\n"));
1090 logprintf (LOG_VERBOSE, _("Removing %s.\n"), filename);
1091 if (unlink (filename))
1092 logprintf (LOG_NOTQUIET, "unlink: %s\n", strerror (errno));
1095 xfree_null (redirected_URL);
1096 xfree_null (filename);
1099 /* And then from the input file, if any. */
1100 if (opt.input_filename)
1103 status = retrieve_from_file (opt.input_filename, opt.force_html, &count);
1105 logprintf (LOG_NOTQUIET, _("No URLs found in %s.\n"),
1106 opt.input_filename);
1109 /* Print broken links. */
1110 if (opt.recursive && opt.spider)
1112 print_broken_links();
1115 /* Print the downloaded sum. */
1116 if ((opt.recursive || opt.page_requisites
1118 || (opt.input_filename && total_downloaded_bytes != 0))
1120 total_downloaded_bytes != 0)
1122 logprintf (LOG_NOTQUIET,
1123 _("FINISHED --%s--\nDownloaded: %d files, %s in %s (%s)\n"),
1124 datetime_str (time (NULL)),
1126 human_readable (total_downloaded_bytes),
1127 secs_to_human_time (total_download_time),
1128 retr_rate (total_downloaded_bytes, total_download_time));
1129 /* Print quota warning, if exceeded. */
1130 if (opt.quota && total_downloaded_bytes > opt.quota)
1131 logprintf (LOG_NOTQUIET,
1132 _("Download quota of %s EXCEEDED!\n"),
1133 human_readable (opt.quota));
1136 if (opt.cookies_output)
1139 if (opt.convert_links && !opt.delete_after)
1140 convert_all_links ();
1143 for (i = 0; i < nurl; i++)
1148 print_malloc_debug_stats ();
1150 if (status == RETROK)
1155 #endif /* TESTING */
1157 #if defined(SIGHUP) || defined(SIGUSR1)
1159 /* So the signal_name check doesn't blow when only one is available. */
1167 /* Hangup signal handler. When wget receives SIGHUP or SIGUSR1, it
1168 will proceed operation as usual, trying to write into a log file.
1169 If that is impossible, the output will be turned off. */
1172 redirect_output_signal (int sig)
1174 const char *signal_name = (sig == SIGHUP ? "SIGHUP" :
1175 (sig == SIGUSR1 ? "SIGUSR1" :
1177 log_request_redirect_output (signal_name);
1178 progress_schedule_redirect ();
1179 signal (sig, redirect_output_signal);