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 */
66 #ifndef PATH_SEPARATOR
67 # define PATH_SEPARATOR '/'
72 extern char *version_string;
74 #if defined(SIGHUP) || defined(SIGUSR1)
75 static void redirect_output_signal (int);
78 const char *exec_name;
81 /* Initialize I18N/L10N. That amounts to invoking setlocale, and
82 setting up gettext's message catalog using bindtextdomain and
83 textdomain. Does nothing if NLS is disabled or missing. */
86 i18n_initialize (void)
88 /* ENABLE_NLS implies existence of functions invoked here. */
90 /* Set the current locale. */
91 setlocale (LC_ALL, "");
92 /* Set the text message domain. */
93 bindtextdomain ("wget", LOCALEDIR);
95 #endif /* ENABLE_NLS */
98 /* Definition of command-line options. */
100 static void print_help (void);
101 static void print_version (void);
106 # define IF_SSL(x) NULL
110 # define WHEN_DEBUG(x) x
112 # define WHEN_DEBUG(x) NULL
115 struct cmdline_option {
116 const char *long_name;
122 /* Non-standard options that have to be handled specially in
126 OPT__DONT_REMOVE_LISTING,
131 const void *data; /* for standard options */
132 int argtype; /* for non-standard options */
135 static struct cmdline_option option_data[] =
137 { "accept", 'A', OPT_VALUE, "accept", -1 },
138 { "append-output", 'a', OPT__APPEND_OUTPUT, NULL, required_argument },
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 },
177 { "ftp-stmlf", 0, OPT_BOOLEAN, "ftpstmlf", -1 },
178 #endif /* def __VMS */
179 { "ftp-user", 0, OPT_VALUE, "ftpuser", -1 },
180 { "glob", 0, OPT_BOOLEAN, "glob", -1 },
181 { "header", 0, OPT_VALUE, "header", -1 },
182 { "help", 'h', OPT_FUNCALL, (void *)print_help, no_argument },
183 { "host-directories", 0, OPT_BOOLEAN, "addhostdir", -1 },
184 { "html-extension", 'E', OPT_BOOLEAN, "htmlextension", -1 },
185 { "htmlify", 0, OPT_BOOLEAN, "htmlify", -1 },
186 { "http-keep-alive", 0, OPT_BOOLEAN, "httpkeepalive", -1 },
187 { "http-passwd", 0, OPT_VALUE, "httppassword", -1 }, /* deprecated */
188 { "http-password", 0, OPT_VALUE, "httppassword", -1 },
189 { "http-user", 0, OPT_VALUE, "httpuser", -1 },
190 { "ignore-case", 0, OPT_BOOLEAN, "ignorecase", -1 },
191 { "ignore-length", 0, OPT_BOOLEAN, "ignorelength", -1 },
192 { "ignore-tags", 0, OPT_VALUE, "ignoretags", -1 },
193 { "include-directories", 'I', OPT_VALUE, "includedirectories", -1 },
195 { "inet4-only", '4', OPT_BOOLEAN, "inet4only", -1 },
196 { "inet6-only", '6', OPT_BOOLEAN, "inet6only", -1 },
198 { "input-file", 'i', OPT_VALUE, "input", -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 },
203 { "max-redirect", 0, OPT_VALUE, "maxredirect", -1 },
204 { "mirror", 'm', OPT_BOOLEAN, "mirror", -1 },
205 { "no", 'n', OPT__NO, NULL, required_argument },
206 { "no-clobber", 0, OPT_BOOLEAN, "noclobber", -1 },
207 { "no-parent", 0, OPT_BOOLEAN, "noparent", -1 },
208 { "output-document", 'O', OPT_VALUE, "outputdocument", -1 },
209 { "output-file", 'o', OPT_VALUE, "logfile", -1 },
210 { "page-requisites", 'p', OPT_BOOLEAN, "pagerequisites", -1 },
211 { "parent", 0, OPT__PARENT, NULL, optional_argument },
212 { "passive-ftp", 0, OPT_BOOLEAN, "passiveftp", -1 },
213 { "password", 0, OPT_VALUE, "password", -1 },
214 { "post-data", 0, OPT_VALUE, "postdata", -1 },
215 { "post-file", 0, OPT_VALUE, "postfile", -1 },
216 { "prefer-family", 0, OPT_VALUE, "preferfamily", -1 },
217 { "preserve-permissions", 0, OPT_BOOLEAN, "preservepermissions", -1 },
218 { IF_SSL ("private-key"), 0, OPT_VALUE, "privatekey", -1 },
219 { IF_SSL ("private-key-type"), 0, OPT_VALUE, "privatekeytype", -1 },
220 { "progress", 0, OPT_VALUE, "progress", -1 },
221 { "protocol-directories", 0, OPT_BOOLEAN, "protocoldirectories", -1 },
222 { "proxy", 0, OPT_BOOLEAN, "useproxy", -1 },
223 { "proxy__compat", 'Y', OPT_VALUE, "useproxy", -1 }, /* back-compatible */
224 { "proxy-passwd", 0, OPT_VALUE, "proxypassword", -1 }, /* deprecated */
225 { "proxy-password", 0, OPT_VALUE, "proxypassword", -1 },
226 { "proxy-user", 0, OPT_VALUE, "proxyuser", -1 },
227 { "quiet", 'q', OPT_BOOLEAN, "quiet", -1 },
228 { "quota", 'Q', OPT_VALUE, "quota", -1 },
229 { "random-file", 0, OPT_VALUE, "randomfile", -1 },
230 { "random-wait", 0, OPT_BOOLEAN, "randomwait", -1 },
231 { "read-timeout", 0, OPT_VALUE, "readtimeout", -1 },
232 { "recursive", 'r', OPT_BOOLEAN, "recursive", -1 },
233 { "referer", 0, OPT_VALUE, "referer", -1 },
234 { "reject", 'R', OPT_VALUE, "reject", -1 },
235 { "relative", 'L', OPT_BOOLEAN, "relativeonly", -1 },
236 { "remove-listing", 0, OPT_BOOLEAN, "removelisting", -1 },
237 { "restrict-file-names", 0, OPT_BOOLEAN, "restrictfilenames", -1 },
238 { "retr-symlinks", 0, OPT_BOOLEAN, "retrsymlinks", -1 },
239 { "retry-connrefused", 0, OPT_BOOLEAN, "retryconnrefused", -1 },
240 { "save-cookies", 0, OPT_VALUE, "savecookies", -1 },
241 { "save-headers", 0, OPT_BOOLEAN, "saveheaders", -1 },
242 { IF_SSL ("secure-protocol"), 0, OPT_VALUE, "secureprotocol", -1 },
243 { "server-response", 'S', OPT_BOOLEAN, "serverresponse", -1 },
244 { "span-hosts", 'H', OPT_BOOLEAN, "spanhosts", -1 },
245 { "spider", 0, OPT_BOOLEAN, "spider", -1 },
246 { "strict-comments", 0, OPT_BOOLEAN, "strictcomments", -1 },
247 { "timeout", 'T', OPT_VALUE, "timeout", -1 },
248 { "timestamping", 'N', OPT_BOOLEAN, "timestamping", -1 },
249 { "tries", 't', OPT_VALUE, "tries", -1 },
250 { "user", 0, OPT_VALUE, "user", -1 },
251 { "user-agent", 'U', OPT_VALUE, "useragent", -1 },
252 { "verbose", 'v', OPT_BOOLEAN, "verbose", -1 },
253 { "verbose", 0, OPT_BOOLEAN, "verbose", -1 },
254 { "version", 'V', OPT_FUNCALL, (void *) print_version, no_argument },
255 { "wait", 'w', OPT_VALUE, "wait", -1 },
256 { "waitretry", 0, OPT_VALUE, "waitretry", -1 },
258 { "wdebug", 0, OPT_BOOLEAN, "wdebug", -1 },
265 /* Return a string that contains S with "no-" prepended. The string
266 is NUL-terminated and allocated off static storage at Wget
270 no_prefix (const char *s)
272 static char buffer[1024];
273 static char *p = buffer;
276 int size = 3 + strlen (s) + 1; /* "no-STRING\0" */
277 if (p + size >= buffer + sizeof (buffer))
280 cp[0] = 'n', cp[1] = 'o', cp[2] = '-';
286 /* The arguments that that main passes to getopt_long. */
287 static struct option long_options[2 * countof (option_data) + 1];
288 static char short_options[128];
290 /* Mapping between short option chars and option_data indices. */
291 static unsigned char optmap[96];
293 /* Marker for `--no-FOO' values in long_options. */
294 #define BOOLEAN_NEG_MARKER 1024
296 /* Initialize the long_options array used by getopt_long from the data
302 char *p = short_options;
304 for (i = 0; i < countof (option_data); i++)
306 struct cmdline_option *opt = &option_data[i];
307 struct option *longopt;
310 /* The option is disabled. */
313 longopt = &long_options[o++];
314 longopt->name = opt->long_name;
318 *p++ = opt->short_name;
319 optmap[opt->short_name - 32] = longopt - long_options;
324 longopt->has_arg = required_argument;
329 /* Specify an optional argument for long options, so that
330 --option=off works the same as --no-option, for
331 compatibility with pre-1.10 Wget. However, don't specify
332 optional arguments short-option booleans because they
333 prevent combining of short options. */
334 longopt->has_arg = optional_argument;
335 /* For Boolean options, add the "--no-FOO" variant, which is
336 identical to "--foo", except it has opposite meaning and
337 it doesn't allow an argument. */
338 longopt = &long_options[o++];
339 longopt->name = no_prefix (opt->long_name);
340 longopt->has_arg = no_argument;
341 /* Mask the value so we'll be able to recognize that we're
342 dealing with the false value. */
343 longopt->val = i | BOOLEAN_NEG_MARKER;
346 assert (opt->argtype != -1);
347 longopt->has_arg = opt->argtype;
350 if (longopt->has_arg == required_argument)
352 /* Don't handle optional_argument */
356 /* Terminate short_options. */
358 /* No need for xzero(long_options[o]) because its storage is static
359 and it will be zeroed by default. */
360 assert (o <= countof (long_options));
363 /* Print the usage message. */
367 printf (_("Usage: %s [OPTION]... [URL]...\n"), exec_name);
370 /* Print the help message, describing all the available options. If
371 you add an option, be sure to update this list. */
375 /* We split the help text this way to ease translation of individual
377 static const char *help[] = {
380 Mandatory arguments to long options are mandatory for short options too.\n\n"),
384 -V, --version display the version of Wget and exit.\n"),
386 -h, --help print this help.\n"),
388 -b, --background go to background after startup.\n"),
390 -e, --execute=COMMAND execute a `.wgetrc'-style command.\n"),
394 Logging and input file:\n"),
396 -o, --output-file=FILE log messages to FILE.\n"),
398 -a, --append-output=FILE append messages to FILE.\n"),
401 -d, --debug print lots of debugging information.\n"),
405 --wdebug print Watt-32 debug output.\n"),
408 -q, --quiet quiet (no output).\n"),
410 -v, --verbose be verbose (this is the default).\n"),
412 -nv, --no-verbose turn off verboseness, without being quiet.\n"),
414 -i, --input-file=FILE download URLs found in FILE.\n"),
416 -F, --force-html treat input file as HTML.\n"),
418 -B, --base=URL prepends URL to relative links in -F -i file.\n"),
424 -t, --tries=NUMBER set number of retries to NUMBER (0 unlimits).\n"),
426 --retry-connrefused retry even if connection is refused.\n"),
428 -O, --output-document=FILE write documents to FILE.\n"),
430 -nc, --no-clobber skip downloads that would download to\n\
433 -c, --continue resume getting a partially-downloaded file.\n"),
435 --progress=TYPE select progress gauge type.\n"),
437 -N, --timestamping don't re-retrieve files unless newer than\n\
440 -S, --server-response print server response.\n"),
442 --spider don't download anything.\n"),
444 -T, --timeout=SECONDS set all timeout values to SECONDS.\n"),
446 --dns-timeout=SECS set the DNS lookup timeout to SECS.\n"),
448 --connect-timeout=SECS set the connect timeout to SECS.\n"),
450 --read-timeout=SECS set the read timeout to SECS.\n"),
452 -w, --wait=SECONDS wait SECONDS between retrievals.\n"),
454 --waitretry=SECONDS wait 1..SECONDS between retries of a retrieval.\n"),
456 --random-wait wait from 0...2*WAIT secs between retrievals.\n"),
458 --no-proxy explicitly turn off proxy.\n"),
460 -Q, --quota=NUMBER set retrieval quota to NUMBER.\n"),
462 --bind-address=ADDRESS bind to ADDRESS (hostname or IP) on local host.\n"),
464 --limit-rate=RATE limit download rate to RATE.\n"),
466 --no-dns-cache disable caching DNS lookups.\n"),
468 --restrict-file-names=OS restrict chars in file names to ones OS allows.\n"),
470 --ignore-case ignore case when matching files/directories.\n"),
473 -4, --inet4-only connect only to IPv4 addresses.\n"),
475 -6, --inet6-only connect only to IPv6 addresses.\n"),
477 --prefer-family=FAMILY connect first to addresses of specified family,\n\
478 one of IPv6, IPv4, or none.\n"),
481 --user=USER set both ftp and http user to USER.\n"),
483 --password=PASS set both ftp and http password to PASS.\n"),
489 -nd, --no-directories don't create directories.\n"),
491 -x, --force-directories force creation of directories.\n"),
493 -nH, --no-host-directories don't create host directories.\n"),
495 --protocol-directories use protocol name in directories.\n"),
497 -P, --directory-prefix=PREFIX save files to PREFIX/...\n"),
499 --cut-dirs=NUMBER ignore NUMBER remote directory components.\n"),
505 --http-user=USER set http user to USER.\n"),
507 --http-password=PASS set http password to PASS.\n"),
509 --no-cache disallow server-cached data.\n"),
511 -E, --html-extension save HTML documents with `.html' extension.\n"),
513 --ignore-length ignore `Content-Length' header field.\n"),
515 --header=STRING insert STRING among the headers.\n"),
517 --max-redirect maximum redirections allowed per page.\n"),
519 --proxy-user=USER set USER as proxy username.\n"),
521 --proxy-password=PASS set PASS as proxy password.\n"),
523 --referer=URL include `Referer: URL' header in HTTP request.\n"),
525 --save-headers save the HTTP headers to file.\n"),
527 -U, --user-agent=AGENT identify as AGENT instead of Wget/VERSION.\n"),
529 --no-http-keep-alive disable HTTP keep-alive (persistent connections).\n"),
531 --no-cookies don't use cookies.\n"),
533 --load-cookies=FILE load cookies from FILE before session.\n"),
535 --save-cookies=FILE save cookies to FILE after session.\n"),
537 --keep-session-cookies load and save session (non-permanent) cookies.\n"),
539 --post-data=STRING use the POST method; send STRING as the data.\n"),
541 --post-file=FILE use the POST method; send contents of FILE.\n"),
543 --content-disposition honor the Content-Disposition header when\n\
544 choosing local file names (EXPERIMENTAL).\n"),
546 --auth-no-challenge Send Basic HTTP authentication information\n\
547 without first waiting for the server's\n\
553 HTTPS (SSL/TLS) options:\n"),
555 --secure-protocol=PR choose secure protocol, one of auto, SSLv2,\n\
556 SSLv3, and TLSv1.\n"),
558 --no-check-certificate don't validate the server's certificate.\n"),
560 --certificate=FILE client certificate file.\n"),
562 --certificate-type=TYPE client certificate type, PEM or DER.\n"),
564 --private-key=FILE private key file.\n"),
566 --private-key-type=TYPE private key type, PEM or DER.\n"),
568 --ca-certificate=FILE file with the bundle of CA's.\n"),
570 --ca-directory=DIR directory where hash list of CA's is stored.\n"),
572 --random-file=FILE file with random data for seeding the SSL PRNG.\n"),
574 --egd-file=FILE file naming the EGD socket with random data.\n"),
576 #endif /* HAVE_SSL */
582 --ftp-stmlf Use Stream_LF format for all binary FTP files.\n"),
583 #endif /* def __VMS */
585 --ftp-user=USER set ftp user to USER.\n"),
587 --ftp-password=PASS set ftp password to PASS.\n"),
589 --no-remove-listing don't remove `.listing' files.\n"),
591 --no-glob turn off FTP file name globbing.\n"),
593 --no-passive-ftp disable the \"passive\" transfer mode.\n"),
595 --retr-symlinks when recursing, get linked-to files (not dir).\n"),
597 --preserve-permissions preserve remote file permissions.\n"),
601 Recursive download:\n"),
603 -r, --recursive specify recursive download.\n"),
605 -l, --level=NUMBER maximum recursion depth (inf or 0 for infinite).\n"),
607 --delete-after delete files locally after downloading them.\n"),
609 -k, --convert-links make links in downloaded HTML point to local files.\n"),
612 -K, --backup-converted before converting file X, back up as X_orig.\n"),
613 #else /* def __VMS */
615 -K, --backup-converted before converting file X, back up as X.orig.\n"),
616 #endif /* def __VMS [else] */
618 -m, --mirror shortcut for -N -r -l inf --no-remove-listing.\n"),
620 -p, --page-requisites get all images, etc. needed to display HTML page.\n"),
622 --strict-comments turn on strict (SGML) handling of HTML comments.\n"),
626 Recursive accept/reject:\n"),
628 -A, --accept=LIST comma-separated list of accepted extensions.\n"),
630 -R, --reject=LIST comma-separated list of rejected extensions.\n"),
632 -D, --domains=LIST comma-separated list of accepted domains.\n"),
634 --exclude-domains=LIST comma-separated list of rejected domains.\n"),
636 --follow-ftp follow FTP links from HTML documents.\n"),
638 --follow-tags=LIST comma-separated list of followed HTML tags.\n"),
640 --ignore-tags=LIST comma-separated list of ignored HTML tags.\n"),
642 -H, --span-hosts go to foreign hosts when recursive.\n"),
644 -L, --relative follow relative links only.\n"),
646 -I, --include-directories=LIST list of allowed directories.\n"),
648 -X, --exclude-directories=LIST list of excluded directories.\n"),
650 -np, --no-parent don't ascend to the parent directory.\n"),
653 N_("Mail bug reports and suggestions to <bug-wget@gnu.org>.\n")
658 printf (_("GNU Wget %s, a non-interactive network retriever.\n"),
662 for (i = 0; i < countof (help); i++)
663 fputs (_(help[i]), stdout);
668 /* Return a human-readable printed representation of INTERVAL,
669 measured in seconds. */
672 secs_to_human_time (double interval)
675 int secs = (int) (interval + 0.5);
676 int hours, mins, days;
678 days = secs / 86400, secs %= 86400;
679 hours = secs / 3600, secs %= 3600;
680 mins = secs / 60, secs %= 60;
683 sprintf (buf, "%dd %dh %dm %ds", days, hours, mins, secs);
685 sprintf (buf, "%dh %dm %ds", hours, mins, secs);
687 sprintf (buf, "%dm %ds", mins, secs);
689 sprintf (buf, "%ss", print_decimal (interval));
698 printf ("GNU Wget %s built on VMS %s %s.\n\n",
699 VERSION_STRING, vms_arch(), vms_vers());
700 #else /* def __VMS */
701 printf ("GNU Wget %s built on %s.\n\n", VERSION_STRING, OS_TYPE);
702 #endif /* def __VMS */
703 /* TRANSLATORS: When available, an actual copyright character
704 (cirle-c) should be used in preference to "(C)". */
706 Copyright (C) 2008 Free Software Foundation, Inc.\n"), stdout);
708 License GPLv3+: GNU GPL version 3 or later\n\
709 <http://www.gnu.org/licenses/gpl.html>.\n\
710 This is free software: you are free to change and redistribute it.\n\
711 There is NO WARRANTY, to the extent permitted by law.\n"), stdout);
712 /* TRANSLATORS: When available, please use the proper diacritics for
713 names such as this one. See en_US.po for reference. */
714 fputs (_("\nOriginally written by Hrvoje Niksic <hniksic@xemacs.org>.\n"),
716 fputs (_("Currently maintained by Micah Cowan <micah@cowan.name>.\n"),
723 main (int argc, char **argv)
726 int i, ret, longindex;
728 bool append_to_log = false;
732 /* Construct the name of the executable, without the directory part. */
733 exec_name = strrchr (argv[0], PATH_SEPARATOR);
740 /* Drop extension (typically .EXE) from executable filename. */
741 windows_main ((char **) &exec_name);
744 /* Set option defaults; read the system wgetrc and ~/.wgetrc. */
749 while ((ret = getopt_long (argc, argv,
750 short_options, long_options, &longindex)) != -1)
753 struct cmdline_option *opt;
755 /* If LONGINDEX is unchanged, it means RET is referring a short
763 printf (_("Try `%s --help' for more options.\n"), exec_name);
766 /* Find the short option character in the mapping. */
767 longindex = optmap[ret - 32];
769 val = long_options[longindex].val;
771 /* Use the retrieved value to locate the option in the
772 option_data array, and to see if we're dealing with the
773 negated "--no-FOO" variant of the boolean option "--foo". */
774 opt = &option_data[val & ~BOOLEAN_NEG_MARKER];
778 setoptval (opt->data, optarg, opt->long_name);
782 /* The user has specified a value -- use it. */
783 setoptval (opt->data, optarg, opt->long_name);
786 /* NEG is true for `--no-FOO' style boolean options. */
787 bool neg = !!(val & BOOLEAN_NEG_MARKER);
788 setoptval (opt->data, neg ? "0" : "1", opt->long_name);
793 void (*func) (void) = (void (*) (void)) opt->data;
797 case OPT__APPEND_OUTPUT:
798 setoptval ("logfile", optarg, opt->long_name);
799 append_to_log = true;
802 run_command (optarg);
806 /* We support real --no-FOO flags now, but keep these
807 short options for convenience and backward
810 for (p = optarg; *p; p++)
814 setoptval ("verbose", "0", opt->long_name);
817 setoptval ("addhostdir", "0", opt->long_name);
820 setoptval ("dirstruct", "0", opt->long_name);
823 setoptval ("noclobber", "1", opt->long_name);
826 setoptval ("noparent", "1", opt->long_name);
829 printf (_("%s: illegal option -- `-n%c'\n"), exec_name, *p);
832 printf (_("Try `%s --help' for more options.\n"), exec_name);
840 /* The wgetrc commands are named noparent and noclobber,
841 so we must revert the meaning of the cmdline options
842 before passing the value to setoptval. */
845 flag = (*optarg == '1' || c_tolower (*optarg) == 'y'
846 || (c_tolower (optarg[0]) == 'o'
847 && c_tolower (optarg[1]) == 'n'));
848 setoptval (opt->type == OPT__PARENT ? "noparent" : "noclobber",
849 flag ? "0" : "1", opt->long_name);
852 case OPT__DONT_REMOVE_LISTING:
853 setoptval ("removelisting", "0", opt->long_name);
860 nurl = argc - optind;
862 /* All user options have now been processed, so it's now safe to do
863 interoption dependency checks. */
865 if (opt.reclevel == 0)
866 opt.reclevel = INFINITE_RECURSION; /* see recur.h for commentary */
868 if (opt.spider || opt.delete_after)
869 opt.no_dirstruct = true;
871 if (opt.page_requisites && !opt.recursive)
873 /* Don't set opt.recursive here because it would confuse the FTP
874 code. Instead, call retrieve_tree below when either
875 page_requisites or recursive is requested. */
877 if (!opt.no_dirstruct)
878 opt.dirstruct = 1; /* normally handled by cmd_spec_recursive() */
881 if (opt.verbose == -1)
882 opt.verbose = !opt.quiet;
885 if (opt.verbose && opt.quiet)
887 printf (_("Can't be verbose and quiet at the same time.\n"));
891 if (opt.timestamping && opt.noclobber)
894 Can't timestamp and not clobber old files at the same time.\n"));
899 if (opt.ipv4_only && opt.ipv6_only)
901 printf (_("Cannot specify both --inet4-only and --inet6-only.\n"));
906 if (opt.output_document
907 && (opt.page_requisites
909 || opt.timestamping))
911 printf (_("Cannot specify -r, -p or -N if -O is given.\n"));
915 if (opt.output_document
919 printf (_("Cannot specify both -k and -O if multiple URLs are given.\n"));
924 if (!nurl && !opt.input_filename)
926 /* No URL specified. */
927 printf (_("%s: missing URL\n"), exec_name);
930 /* #### Something nicer should be printed here -- similar to the
931 pre-1.5 `--help' page. */
932 printf (_("Try `%s --help' for more options.\n"), exec_name);
942 fork_to_background ();
945 /* Initialize progress. Have to do this after the options are
946 processed so we know where the log file is. */
948 set_progress_implementation (opt.progress_type);
950 /* Fill in the arguments. */
951 url = alloca_array (char *, nurl + 1);
952 for (i = 0; i < nurl; i++, optind++)
954 char *rewritten = rewrite_shorthand_url (argv[optind]);
958 url[i] = xstrdup (argv[optind]);
962 /* Initialize logging. */
963 log_init (opt.lfilename, append_to_log);
965 DEBUGP (("DEBUG output created by Wget %s on %s.\n\n",
966 VERSION_STRING, OS_TYPE));
968 /* Open the output filename if necessary. */
971 Note that having the output_stream ("-O") file opened here for an FTP
972 URL rather than in getftp() (ftp.c) (and the http equivalent) rather
973 limits the ability in VMS to open the file differently for ASCII
974 versus binary FTP there. (Of course, doing it here allows a open
975 failure to be detected immediately, without first connecting to the
978 if (opt.output_document)
980 if (HYPHENP (opt.output_document))
981 output_stream = stdout;
987 /* Common fopen() optional arguments:
988 sequential access only, access callback function.
990 # define FOPEN_OPT_ARGS , "fop=sqo", "acc", acc_cb, &open_id
992 #else /* def __VMS */
993 # define FOPEN_OPT_ARGS
994 #endif /* def __VMS [else] */
996 output_stream = fopen (opt.output_document,
997 opt.always_rest ? "ab" : "wb"
999 if (output_stream == NULL)
1001 perror (opt.output_document);
1004 if (fstat (fileno (output_stream), &st) == 0 && S_ISREG (st.st_mode))
1005 output_stream_regular = true;
1010 /* Set global ODS5 flag according to the specified destination (if
1011 any), otherwise according to the current default device.
1013 if (output_stream == NULL)
1015 set_ods5_dest( "SYS$DISK");
1017 else if (output_stream != stdout)
1019 set_ods5_dest( opt.output_document);
1021 #endif /* def __VMS */
1028 /* Setup the signal handler to redirect output when hangup is
1030 if (signal(SIGHUP, SIG_IGN) != SIG_IGN)
1031 signal(SIGHUP, redirect_output_signal);
1033 /* ...and do the same for SIGUSR1. */
1035 signal (SIGUSR1, redirect_output_signal);
1038 /* Writing to a closed socket normally signals SIGPIPE, and the
1039 process exits. What we want is to ignore SIGPIPE and just check
1040 for the return value of write(). */
1041 signal (SIGPIPE, SIG_IGN);
1044 signal (SIGWINCH, progress_handle_sigwinch);
1047 status = RETROK; /* initialize it, just-in-case */
1048 /* Retrieve the URLs from argument list. */
1049 for (t = url; *t; t++)
1051 char *filename = NULL, *redirected_URL = NULL;
1054 if ((opt.recursive || opt.page_requisites)
1055 && (url_scheme (*t) != SCHEME_FTP || url_uses_proxy (*t)))
1057 int old_follow_ftp = opt.follow_ftp;
1059 /* Turn opt.follow_ftp on in case of recursive FTP retrieval */
1060 if (url_scheme (*t) == SCHEME_FTP)
1063 status = retrieve_tree (*t);
1065 opt.follow_ftp = old_follow_ftp;
1068 status = retrieve_url (*t, &filename, &redirected_URL, NULL, &dt, opt.recursive);
1070 if (opt.delete_after && file_exists_p(filename))
1072 DEBUGP (("Removing file due to --delete-after in main():\n"));
1073 logprintf (LOG_VERBOSE, _("Removing %s.\n"), filename);
1074 if (unlink (filename))
1075 logprintf (LOG_NOTQUIET, "unlink: %s\n", strerror (errno));
1078 xfree_null (redirected_URL);
1079 xfree_null (filename);
1082 /* And then from the input file, if any. */
1083 if (opt.input_filename)
1086 status = retrieve_from_file (opt.input_filename, opt.force_html, &count);
1088 logprintf (LOG_NOTQUIET, _("No URLs found in %s.\n"),
1089 opt.input_filename);
1092 /* Print broken links. */
1093 if (opt.recursive && opt.spider)
1095 print_broken_links();
1098 /* Print the downloaded sum. */
1099 if ((opt.recursive || opt.page_requisites
1101 || (opt.input_filename && total_downloaded_bytes != 0))
1103 total_downloaded_bytes != 0)
1105 logprintf (LOG_NOTQUIET,
1106 _("FINISHED --%s--\nDownloaded: %d files, %s in %s (%s)\n"),
1107 datetime_str (time (NULL)),
1109 human_readable (total_downloaded_bytes),
1110 secs_to_human_time (total_download_time),
1111 retr_rate (total_downloaded_bytes, total_download_time));
1112 /* Print quota warning, if exceeded. */
1113 if (opt.quota && total_downloaded_bytes > opt.quota)
1114 logprintf (LOG_NOTQUIET,
1115 _("Download quota of %s EXCEEDED!\n"),
1116 human_readable (opt.quota));
1119 if (opt.cookies_output)
1122 if (opt.convert_links && !opt.delete_after)
1123 convert_all_links ();
1126 for (i = 0; i < nurl; i++)
1131 print_malloc_debug_stats ();
1133 if (status == RETROK)
1138 #endif /* TESTING */
1140 #if defined(SIGHUP) || defined(SIGUSR1)
1142 /* So the signal_name check doesn't blow when only one is available. */
1150 /* Hangup signal handler. When wget receives SIGHUP or SIGUSR1, it
1151 will proceed operation as usual, trying to write into a log file.
1152 If that is impossible, the output will be turned off. */
1155 redirect_output_signal (int sig)
1157 const char *signal_name = (sig == SIGHUP ? "SIGHUP" :
1158 (sig == SIGUSR1 ? "SIGUSR1" :
1160 log_request_redirect_output (signal_name);
1161 progress_schedule_redirect ();
1162 signal (sig, redirect_output_signal);