1 /* Command line parsing.
2 Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
3 2005, 2006, 2007, 2008, 2009, 2010 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 */
54 #include "progress.h" /* for progress_handle_sigwinch */
57 #include "http.h" /* for save_cookies */
67 #ifndef PATH_SEPARATOR
68 # define PATH_SEPARATOR '/'
73 /* defined in version.c */
74 extern char *version_string;
75 extern char *compilation_string;
76 extern char *system_getrc;
77 extern char *link_string;
78 /* defined in build_info.c */
79 extern const char *compiled_features[];
80 /* Used for --version output in print_version */
81 #define MAX_CHARS_PER_LINE 72
84 #if defined(SIGHUP) || defined(SIGUSR1)
85 static void redirect_output_signal (int);
88 const char *exec_name;
90 /* Number of successfully downloaded URLs */
94 /* Initialize I18N/L10N. That amounts to invoking setlocale, and
95 setting up gettext's message catalog using bindtextdomain and
96 textdomain. Does nothing if NLS is disabled or missing. */
99 i18n_initialize (void)
101 /* ENABLE_NLS implies existence of functions invoked here. */
103 /* Set the current locale. */
104 setlocale (LC_ALL, "");
105 /* Set the text message domain. */
106 bindtextdomain ("wget", LOCALEDIR);
108 #endif /* ENABLE_NLS */
111 /* Definition of command-line options. */
113 static void print_help (void);
114 static void print_version (void);
119 # define IF_SSL(x) NULL
123 # define WHEN_DEBUG(x) x
125 # define WHEN_DEBUG(x) NULL
128 struct cmdline_option {
129 const char *long_name;
135 /* Non-standard options that have to be handled specially in
139 OPT__DONT_REMOVE_LISTING,
144 const void *data; /* for standard options */
145 int argtype; /* for non-standard options */
148 static struct cmdline_option option_data[] =
150 { "accept", 'A', OPT_VALUE, "accept", -1 },
151 { "adjust-extension", 'E', OPT_BOOLEAN, "adjustextension", -1 },
152 { "append-output", 'a', OPT__APPEND_OUTPUT, NULL, required_argument },
153 { "ask-password", 0, OPT_BOOLEAN, "askpassword", -1 },
154 { "auth-no-challenge", 0, OPT_BOOLEAN, "authnochallenge", -1 },
155 { "background", 'b', OPT_BOOLEAN, "background", -1 },
156 { "backup-converted", 'K', OPT_BOOLEAN, "backupconverted", -1 },
157 { "backups", 0, OPT_BOOLEAN, "backups", -1 },
158 { "base", 'B', OPT_VALUE, "base", -1 },
159 { "bind-address", 0, OPT_VALUE, "bindaddress", -1 },
160 { IF_SSL ("ca-certificate"), 0, OPT_VALUE, "cacertificate", -1 },
161 { IF_SSL ("ca-directory"), 0, OPT_VALUE, "cadirectory", -1 },
162 { "cache", 0, OPT_BOOLEAN, "cache", -1 },
163 { IF_SSL ("certificate"), 0, OPT_VALUE, "certificate", -1 },
164 { IF_SSL ("certificate-type"), 0, OPT_VALUE, "certificatetype", -1 },
165 { IF_SSL ("check-certificate"), 0, OPT_BOOLEAN, "checkcertificate", -1 },
166 { "clobber", 0, OPT__CLOBBER, NULL, optional_argument },
167 { "connect-timeout", 0, OPT_VALUE, "connecttimeout", -1 },
168 { "continue", 'c', OPT_BOOLEAN, "continue", -1 },
169 { "convert-links", 'k', OPT_BOOLEAN, "convertlinks", -1 },
170 { "content-disposition", 0, OPT_BOOLEAN, "contentdisposition", -1 },
171 { "cookies", 0, OPT_BOOLEAN, "cookies", -1 },
172 { "cut-dirs", 0, OPT_VALUE, "cutdirs", -1 },
173 { WHEN_DEBUG ("debug"), 'd', OPT_BOOLEAN, "debug", -1 },
174 { "default-page", 0, OPT_VALUE, "defaultpage", -1 },
175 { "delete-after", 0, OPT_BOOLEAN, "deleteafter", -1 },
176 { "directories", 0, OPT_BOOLEAN, "dirstruct", -1 },
177 { "directory-prefix", 'P', OPT_VALUE, "dirprefix", -1 },
178 { "dns-cache", 0, OPT_BOOLEAN, "dnscache", -1 },
179 { "dns-timeout", 0, OPT_VALUE, "dnstimeout", -1 },
180 { "domains", 'D', OPT_VALUE, "domains", -1 },
181 { "dont-remove-listing", 0, OPT__DONT_REMOVE_LISTING, NULL, no_argument },
182 { "dot-style", 0, OPT_VALUE, "dotstyle", -1 }, /* deprecated */
183 { "egd-file", 0, OPT_VALUE, "egdfile", -1 },
184 { "exclude-directories", 'X', OPT_VALUE, "excludedirectories", -1 },
185 { "exclude-domains", 0, OPT_VALUE, "excludedomains", -1 },
186 { "execute", 'e', OPT__EXECUTE, NULL, required_argument },
187 { "follow-ftp", 0, OPT_BOOLEAN, "followftp", -1 },
188 { "follow-tags", 0, OPT_VALUE, "followtags", -1 },
189 { "force-directories", 'x', OPT_BOOLEAN, "dirstruct", -1 },
190 { "force-html", 'F', OPT_BOOLEAN, "forcehtml", -1 },
191 { "ftp-password", 0, OPT_VALUE, "ftppassword", -1 },
193 { "ftp-stmlf", 0, OPT_BOOLEAN, "ftpstmlf", -1 },
194 #endif /* def __VMS */
195 { "ftp-user", 0, OPT_VALUE, "ftpuser", -1 },
196 { "glob", 0, OPT_BOOLEAN, "glob", -1 },
197 { "header", 0, OPT_VALUE, "header", -1 },
198 { "help", 'h', OPT_FUNCALL, (void *)print_help, no_argument },
199 { "host-directories", 0, OPT_BOOLEAN, "addhostdir", -1 },
200 { "html-extension", 'E', OPT_BOOLEAN, "adjustextension", -1 }, /* deprecated */
201 { "htmlify", 0, OPT_BOOLEAN, "htmlify", -1 },
202 { "http-keep-alive", 0, OPT_BOOLEAN, "httpkeepalive", -1 },
203 { "http-passwd", 0, OPT_VALUE, "httppassword", -1 }, /* deprecated */
204 { "http-password", 0, OPT_VALUE, "httppassword", -1 },
205 { "http-user", 0, OPT_VALUE, "httpuser", -1 },
206 { "ignore-case", 0, OPT_BOOLEAN, "ignorecase", -1 },
207 { "ignore-length", 0, OPT_BOOLEAN, "ignorelength", -1 },
208 { "ignore-tags", 0, OPT_VALUE, "ignoretags", -1 },
209 { "include-directories", 'I', OPT_VALUE, "includedirectories", -1 },
211 { "inet4-only", '4', OPT_BOOLEAN, "inet4only", -1 },
212 { "inet6-only", '6', OPT_BOOLEAN, "inet6only", -1 },
214 { "input-file", 'i', OPT_VALUE, "input", -1 },
215 { "iri", 0, OPT_BOOLEAN, "iri", -1 },
216 { "keep-session-cookies", 0, OPT_BOOLEAN, "keepsessioncookies", -1 },
217 { "level", 'l', OPT_VALUE, "reclevel", -1 },
218 { "limit-rate", 0, OPT_VALUE, "limitrate", -1 },
219 { "load-cookies", 0, OPT_VALUE, "loadcookies", -1 },
220 { "local-encoding", 0, OPT_VALUE, "localencoding", -1 },
221 { "max-redirect", 0, OPT_VALUE, "maxredirect", -1 },
222 { "mirror", 'm', OPT_BOOLEAN, "mirror", -1 },
223 { "no", 'n', OPT__NO, NULL, required_argument },
224 { "no-clobber", 0, OPT_BOOLEAN, "noclobber", -1 },
225 { "no-parent", 0, OPT_BOOLEAN, "noparent", -1 },
226 { "output-document", 'O', OPT_VALUE, "outputdocument", -1 },
227 { "output-file", 'o', OPT_VALUE, "logfile", -1 },
228 { "page-requisites", 'p', OPT_BOOLEAN, "pagerequisites", -1 },
229 { "parent", 0, OPT__PARENT, NULL, optional_argument },
230 { "passive-ftp", 0, OPT_BOOLEAN, "passiveftp", -1 },
231 { "password", 0, OPT_VALUE, "password", -1 },
232 { "post-data", 0, OPT_VALUE, "postdata", -1 },
233 { "post-file", 0, OPT_VALUE, "postfile", -1 },
234 { "prefer-family", 0, OPT_VALUE, "preferfamily", -1 },
235 { "preserve-permissions", 0, OPT_BOOLEAN, "preservepermissions", -1 }, /* deprecated */
236 { IF_SSL ("private-key"), 0, OPT_VALUE, "privatekey", -1 },
237 { IF_SSL ("private-key-type"), 0, OPT_VALUE, "privatekeytype", -1 },
238 { "progress", 0, OPT_VALUE, "progress", -1 },
239 { "protocol-directories", 0, OPT_BOOLEAN, "protocoldirectories", -1 },
240 { "proxy", 0, OPT_BOOLEAN, "useproxy", -1 },
241 { "proxy__compat", 'Y', OPT_VALUE, "useproxy", -1 }, /* back-compatible */
242 { "proxy-passwd", 0, OPT_VALUE, "proxypassword", -1 }, /* deprecated */
243 { "proxy-password", 0, OPT_VALUE, "proxypassword", -1 },
244 { "proxy-user", 0, OPT_VALUE, "proxyuser", -1 },
245 { "quiet", 'q', OPT_BOOLEAN, "quiet", -1 },
246 { "quota", 'Q', OPT_VALUE, "quota", -1 },
247 { "random-file", 0, OPT_VALUE, "randomfile", -1 },
248 { "random-wait", 0, OPT_BOOLEAN, "randomwait", -1 },
249 { "read-timeout", 0, OPT_VALUE, "readtimeout", -1 },
250 { "recursive", 'r', OPT_BOOLEAN, "recursive", -1 },
251 { "referer", 0, OPT_VALUE, "referer", -1 },
252 { "reject", 'R', OPT_VALUE, "reject", -1 },
253 { "relative", 'L', OPT_BOOLEAN, "relativeonly", -1 },
254 { "remote-encoding", 0, OPT_VALUE, "remoteencoding", -1 },
255 { "remove-listing", 0, OPT_BOOLEAN, "removelisting", -1 },
256 { "restrict-file-names", 0, OPT_BOOLEAN, "restrictfilenames", -1 },
257 { "retr-symlinks", 0, OPT_BOOLEAN, "retrsymlinks", -1 },
258 { "retry-connrefused", 0, OPT_BOOLEAN, "retryconnrefused", -1 },
259 { "save-cookies", 0, OPT_VALUE, "savecookies", -1 },
260 { "save-headers", 0, OPT_BOOLEAN, "saveheaders", -1 },
261 { IF_SSL ("secure-protocol"), 0, OPT_VALUE, "secureprotocol", -1 },
262 { "server-response", 'S', OPT_BOOLEAN, "serverresponse", -1 },
263 { "span-hosts", 'H', OPT_BOOLEAN, "spanhosts", -1 },
264 { "spider", 0, OPT_BOOLEAN, "spider", -1 },
265 { "strict-comments", 0, OPT_BOOLEAN, "strictcomments", -1 },
266 { "timeout", 'T', OPT_VALUE, "timeout", -1 },
267 { "timestamping", 'N', OPT_BOOLEAN, "timestamping", -1 },
268 { "tries", 't', OPT_VALUE, "tries", -1 },
269 { "unlink", 0, OPT_BOOLEAN, "unlink", -1 },
270 { "trust-server-names", 0, OPT_BOOLEAN, "trustservernames", -1 },
271 { "use-server-timestamps", 0, OPT_BOOLEAN, "useservertimestamps", -1 },
272 { "user", 0, OPT_VALUE, "user", -1 },
273 { "user-agent", 'U', OPT_VALUE, "useragent", -1 },
274 { "verbose", 'v', OPT_BOOLEAN, "verbose", -1 },
275 { "verbose", 0, OPT_BOOLEAN, "verbose", -1 },
276 { "version", 'V', OPT_FUNCALL, (void *) print_version, no_argument },
277 { "wait", 'w', OPT_VALUE, "wait", -1 },
278 { "waitretry", 0, OPT_VALUE, "waitretry", -1 },
280 { "wdebug", 0, OPT_BOOLEAN, "wdebug", -1 },
287 /* Return a string that contains S with "no-" prepended. The string
288 is NUL-terminated and allocated off static storage at Wget
292 no_prefix (const char *s)
294 static char buffer[1024];
295 static char *p = buffer;
298 int size = 3 + strlen (s) + 1; /* "no-STRING\0" */
299 if (p + size >= buffer + sizeof (buffer))
302 cp[0] = 'n', cp[1] = 'o', cp[2] = '-';
308 /* The arguments that that main passes to getopt_long. */
309 static struct option long_options[2 * countof (option_data) + 1];
310 static char short_options[128];
312 /* Mapping between short option chars and option_data indices. */
313 static unsigned char optmap[96];
315 /* Marker for `--no-FOO' values in long_options. */
316 #define BOOLEAN_NEG_MARKER 1024
318 /* Initialize the long_options array used by getopt_long from the data
324 char *p = short_options;
326 for (i = 0; i < countof (option_data); i++)
328 struct cmdline_option *opt = &option_data[i];
329 struct option *longopt;
332 /* The option is disabled. */
335 longopt = &long_options[o++];
336 longopt->name = opt->long_name;
340 *p++ = opt->short_name;
341 optmap[opt->short_name - 32] = longopt - long_options;
346 longopt->has_arg = required_argument;
351 /* Specify an optional argument for long options, so that
352 --option=off works the same as --no-option, for
353 compatibility with pre-1.10 Wget. However, don't specify
354 optional arguments short-option booleans because they
355 prevent combining of short options. */
356 longopt->has_arg = optional_argument;
357 /* For Boolean options, add the "--no-FOO" variant, which is
358 identical to "--foo", except it has opposite meaning and
359 it doesn't allow an argument. */
360 longopt = &long_options[o++];
361 longopt->name = no_prefix (opt->long_name);
362 longopt->has_arg = no_argument;
363 /* Mask the value so we'll be able to recognize that we're
364 dealing with the false value. */
365 longopt->val = i | BOOLEAN_NEG_MARKER;
368 assert (opt->argtype != -1);
369 longopt->has_arg = opt->argtype;
372 if (longopt->has_arg == required_argument)
374 /* Don't handle optional_argument */
378 /* Terminate short_options. */
380 /* No need for xzero(long_options[o]) because its storage is static
381 and it will be zeroed by default. */
382 assert (o <= countof (long_options));
385 /* Print the usage message. */
387 print_usage (int error)
389 fprintf (error ? stderr : stdout, _("Usage: %s [OPTION]... [URL]...\n"),
393 /* Print the help message, describing all the available options. If
394 you add an option, be sure to update this list. */
398 /* We split the help text this way to ease translation of individual
400 static const char *help[] = {
403 Mandatory arguments to long options are mandatory for short options too.\n\n"),
407 -V, --version display the version of Wget and exit.\n"),
409 -h, --help print this help.\n"),
411 -b, --background go to background after startup.\n"),
413 -e, --execute=COMMAND execute a `.wgetrc'-style command.\n"),
417 Logging and input file:\n"),
419 -o, --output-file=FILE log messages to FILE.\n"),
421 -a, --append-output=FILE append messages to FILE.\n"),
424 -d, --debug print lots of debugging information.\n"),
428 --wdebug print Watt-32 debug output.\n"),
431 -q, --quiet quiet (no output).\n"),
433 -v, --verbose be verbose (this is the default).\n"),
435 -nv, --no-verbose turn off verboseness, without being quiet.\n"),
437 -i, --input-file=FILE download URLs found in local or external FILE.\n"),
439 -F, --force-html treat input file as HTML.\n"),
441 -B, --base=URL resolves HTML input-file links (-i -F)\n\
442 relative to URL.\n"),
448 -t, --tries=NUMBER set number of retries to NUMBER (0 unlimits).\n"),
450 --retry-connrefused retry even if connection is refused.\n"),
452 -O, --output-document=FILE write documents to FILE.\n"),
454 -nc, --no-clobber skip downloads that would download to\n\
457 -c, --continue resume getting a partially-downloaded file.\n"),
459 --progress=TYPE select progress gauge type.\n"),
461 -N, --timestamping don't re-retrieve files unless newer than\n\
464 --no-use-server-timestamps don't set the local file's timestamp by\n\
465 the one on the server.\n"),
467 -S, --server-response print server response.\n"),
469 --spider don't download anything.\n"),
471 -T, --timeout=SECONDS set all timeout values to SECONDS.\n"),
473 --dns-timeout=SECS set the DNS lookup timeout to SECS.\n"),
475 --connect-timeout=SECS set the connect timeout to SECS.\n"),
477 --read-timeout=SECS set the read timeout to SECS.\n"),
479 -w, --wait=SECONDS wait SECONDS between retrievals.\n"),
481 --waitretry=SECONDS wait 1..SECONDS between retries of a retrieval.\n"),
483 --random-wait wait from 0.5*WAIT...1.5*WAIT secs between retrievals.\n"),
485 --no-proxy explicitly turn off proxy.\n"),
487 -Q, --quota=NUMBER set retrieval quota to NUMBER.\n"),
489 --bind-address=ADDRESS bind to ADDRESS (hostname or IP) on local host.\n"),
491 --limit-rate=RATE limit download rate to RATE.\n"),
493 --no-dns-cache disable caching DNS lookups.\n"),
495 --restrict-file-names=OS restrict chars in file names to ones OS allows.\n"),
497 --ignore-case ignore case when matching files/directories.\n"),
500 -4, --inet4-only connect only to IPv4 addresses.\n"),
502 -6, --inet6-only connect only to IPv6 addresses.\n"),
504 --prefer-family=FAMILY connect first to addresses of specified family,\n\
505 one of IPv6, IPv4, or none.\n"),
508 --user=USER set both ftp and http user to USER.\n"),
510 --password=PASS set both ftp and http password to PASS.\n"),
512 --ask-password prompt for passwords.\n"),
514 --no-iri turn off IRI support.\n"),
516 --local-encoding=ENC use ENC as the local encoding for IRIs.\n"),
518 --remote-encoding=ENC use ENC as the default remote encoding.\n"),
520 --unlink remove file before clobber.\n"),
526 -nd, --no-directories don't create directories.\n"),
528 -x, --force-directories force creation of directories.\n"),
530 -nH, --no-host-directories don't create host directories.\n"),
532 --protocol-directories use protocol name in directories.\n"),
534 -P, --directory-prefix=PREFIX save files to PREFIX/...\n"),
536 --cut-dirs=NUMBER ignore NUMBER remote directory components.\n"),
542 --http-user=USER set http user to USER.\n"),
544 --http-password=PASS set http password to PASS.\n"),
546 --no-cache disallow server-cached data.\n"),
548 --default-page=NAME Change the default page name (normally\n\
549 this is `index.html'.).\n"),
551 -E, --adjust-extension save HTML/CSS documents with proper extensions.\n"),
553 --ignore-length ignore `Content-Length' header field.\n"),
555 --header=STRING insert STRING among the headers.\n"),
557 --max-redirect maximum redirections allowed per page.\n"),
559 --proxy-user=USER set USER as proxy username.\n"),
561 --proxy-password=PASS set PASS as proxy password.\n"),
563 --referer=URL include `Referer: URL' header in HTTP request.\n"),
565 --save-headers save the HTTP headers to file.\n"),
567 -U, --user-agent=AGENT identify as AGENT instead of Wget/VERSION.\n"),
569 --no-http-keep-alive disable HTTP keep-alive (persistent connections).\n"),
571 --no-cookies don't use cookies.\n"),
573 --load-cookies=FILE load cookies from FILE before session.\n"),
575 --save-cookies=FILE save cookies to FILE after session.\n"),
577 --keep-session-cookies load and save session (non-permanent) cookies.\n"),
579 --post-data=STRING use the POST method; send STRING as the data.\n"),
581 --post-file=FILE use the POST method; send contents of FILE.\n"),
583 --content-disposition honor the Content-Disposition header when\n\
584 choosing local file names (EXPERIMENTAL).\n"),
586 --auth-no-challenge send Basic HTTP authentication information\n\
587 without first waiting for the server's\n\
593 HTTPS (SSL/TLS) options:\n"),
595 --secure-protocol=PR choose secure protocol, one of auto, SSLv2,\n\
596 SSLv3, and TLSv1.\n"),
598 --no-check-certificate don't validate the server's certificate.\n"),
600 --certificate=FILE client certificate file.\n"),
602 --certificate-type=TYPE client certificate type, PEM or DER.\n"),
604 --private-key=FILE private key file.\n"),
606 --private-key-type=TYPE private key type, PEM or DER.\n"),
608 --ca-certificate=FILE file with the bundle of CA's.\n"),
610 --ca-directory=DIR directory where hash list of CA's is stored.\n"),
612 --random-file=FILE file with random data for seeding the SSL PRNG.\n"),
614 --egd-file=FILE file naming the EGD socket with random data.\n"),
616 #endif /* HAVE_SSL */
622 --ftp-stmlf Use Stream_LF format for all binary FTP files.\n"),
623 #endif /* def __VMS */
625 --ftp-user=USER set ftp user to USER.\n"),
627 --ftp-password=PASS set ftp password to PASS.\n"),
629 --no-remove-listing don't remove `.listing' files.\n"),
631 --no-glob turn off FTP file name globbing.\n"),
633 --no-passive-ftp disable the \"passive\" transfer mode.\n"),
635 --retr-symlinks when recursing, get linked-to files (not dir).\n"),
639 Recursive download:\n"),
641 -r, --recursive specify recursive download.\n"),
643 -l, --level=NUMBER maximum recursion depth (inf or 0 for infinite).\n"),
645 --delete-after delete files locally after downloading them.\n"),
647 -k, --convert-links make links in downloaded HTML or CSS point to\n\
651 -K, --backup-converted before converting file X, back up as X_orig.\n"),
652 #else /* def __VMS */
654 -K, --backup-converted before converting file X, back up as X.orig.\n"),
655 #endif /* def __VMS [else] */
657 -m, --mirror shortcut for -N -r -l inf --no-remove-listing.\n"),
659 -p, --page-requisites get all images, etc. needed to display HTML page.\n"),
661 --strict-comments turn on strict (SGML) handling of HTML comments.\n"),
665 Recursive accept/reject:\n"),
667 -A, --accept=LIST comma-separated list of accepted extensions.\n"),
669 -R, --reject=LIST comma-separated list of rejected extensions.\n"),
671 -D, --domains=LIST comma-separated list of accepted domains.\n"),
673 --exclude-domains=LIST comma-separated list of rejected domains.\n"),
675 --follow-ftp follow FTP links from HTML documents.\n"),
677 --follow-tags=LIST comma-separated list of followed HTML tags.\n"),
679 --ignore-tags=LIST comma-separated list of ignored HTML tags.\n"),
681 -H, --span-hosts go to foreign hosts when recursive.\n"),
683 -L, --relative follow relative links only.\n"),
685 -I, --include-directories=LIST list of allowed directories.\n"),
687 --trust-server-names use the name specified by the redirection\n\
688 url last component.\n"),
690 -X, --exclude-directories=LIST list of excluded directories.\n"),
692 -np, --no-parent don't ascend to the parent directory.\n"),
695 N_("Mail bug reports and suggestions to <bug-wget@gnu.org>.\n")
700 printf (_("GNU Wget %s, a non-interactive network retriever.\n"),
704 for (i = 0; i < countof (help); i++)
705 fputs (_(help[i]), stdout);
710 /* Return a human-readable printed representation of INTERVAL,
711 measured in seconds. */
714 secs_to_human_time (double interval)
717 int secs = (int) (interval + 0.5);
718 int hours, mins, days;
720 days = secs / 86400, secs %= 86400;
721 hours = secs / 3600, secs %= 3600;
722 mins = secs / 60, secs %= 60;
725 sprintf (buf, "%dd %dh %dm %ds", days, hours, mins, secs);
727 sprintf (buf, "%dh %dm %ds", hours, mins, secs);
729 sprintf (buf, "%dm %ds", mins, secs);
731 sprintf (buf, "%ss", print_decimal (interval));
737 prompt_for_password (void)
740 printf (_("Password for user %s: "), quote (opt.user));
742 printf (_("Password: "));
746 /* Function that prints the line argument while limiting it
747 to at most line_length. prefix is printed on the first line
748 and an appropriate number of spaces are added on subsequent
751 format_and_print_line (const char *prefix, const char *line,
755 char *line_dup, *token;
757 assert (prefix != NULL);
758 assert (line != NULL);
760 line_dup = xstrdup (line);
762 if (line_length <= 0)
763 line_length = MAX_CHARS_PER_LINE - TABULATION;
765 printf ("%s", prefix);
766 remaining_chars = line_length;
767 /* We break on spaces. */
768 token = strtok (line_dup, " ");
769 while (token != NULL)
771 /* If however a token is much larger than the maximum
772 line length, all bets are off and we simply print the
773 token on the next line. */
774 if (remaining_chars <= strlen (token))
776 printf ("\n%*c", TABULATION, ' ');
777 remaining_chars = line_length - TABULATION;
779 printf ("%s ", token);
780 remaining_chars -= strlen (token) + 1; /* account for " " */
781 token = strtok (NULL, " ");
792 const char *wgetrc_title = _("Wgetrc: ");
793 const char *locale_title = _("Locale: ");
794 const char *compile_title = _("Compile: ");
795 const char *link_title = _("Link: ");
796 char *env_wgetrc, *user_wgetrc;
799 printf (_("GNU Wget %s built on %s.\n\n"), version_string, OS_TYPE);
801 for (i = 0; compiled_features[i] != NULL; )
803 int line_length = MAX_CHARS_PER_LINE;
804 while ((line_length > 0) && (compiled_features[i] != NULL))
806 printf ("%s ", compiled_features[i]);
807 line_length -= strlen (compiled_features[i]) + 2;
814 /* Handle the case when $WGETRC is unset and $HOME/.wgetrc is
816 printf ("%s\n", wgetrc_title);
817 env_wgetrc = wgetrc_env_file_name ();
818 if (env_wgetrc && *env_wgetrc)
820 printf (_(" %s (env)\n"), env_wgetrc);
823 user_wgetrc = wgetrc_user_file_name ();
826 printf (_(" %s (user)\n"), user_wgetrc);
830 printf (_(" %s (system)\n"), SYSTEM_WGETRC);
834 format_and_print_line (locale_title,
837 #endif /* def ENABLE_NLS */
839 if (compilation_string != NULL)
840 format_and_print_line (compile_title,
844 if (link_string != NULL)
845 format_and_print_line (link_title,
850 /* TRANSLATORS: When available, an actual copyright character
851 (cirle-c) should be used in preference to "(C)". */
853 Copyright (C) 2009 Free Software Foundation, Inc.\n"), stdout);
855 License GPLv3+: GNU GPL version 3 or later\n\
856 <http://www.gnu.org/licenses/gpl.html>.\n\
857 This is free software: you are free to change and redistribute it.\n\
858 There is NO WARRANTY, to the extent permitted by law.\n"), stdout);
859 /* TRANSLATORS: When available, please use the proper diacritics for
860 names such as this one. See en_US.po for reference. */
861 fputs (_("\nOriginally written by Hrvoje Niksic <hniksic@xemacs.org>.\n"),
863 fputs (_("Please send bug reports and questions to <bug-wget@gnu.org>.\n"),
868 char *program_name; /* Needed by lib/error.c. */
871 main (int argc, char **argv)
874 int i, ret, longindex;
876 bool append_to_log = false;
878 program_name = argv[0];
882 /* Construct the name of the executable, without the directory part. */
884 /* On VMS, lose the "dev:[dir]" prefix and the ".EXE;nnn" suffix. */
885 exec_name = vms_basename (argv[0]);
886 #else /* def __VMS */
887 exec_name = strrchr (argv[0], PATH_SEPARATOR);
892 #endif /* def __VMS [else] */
895 /* Drop extension (typically .EXE) from executable filename. */
896 windows_main ((char **) &exec_name);
899 /* Set option defaults; read the system wgetrc and ~/.wgetrc. */
904 while ((ret = getopt_long (argc, argv,
905 short_options, long_options, &longindex)) != -1)
908 struct cmdline_option *opt;
910 /* If LONGINDEX is unchanged, it means RET is referring a short
918 printf (_("Try `%s --help' for more options.\n"), exec_name);
921 /* Find the short option character in the mapping. */
922 longindex = optmap[ret - 32];
924 val = long_options[longindex].val;
926 /* Use the retrieved value to locate the option in the
927 option_data array, and to see if we're dealing with the
928 negated "--no-FOO" variant of the boolean option "--foo". */
929 opt = &option_data[val & ~BOOLEAN_NEG_MARKER];
933 setoptval (opt->data, optarg, opt->long_name);
937 /* The user has specified a value -- use it. */
938 setoptval (opt->data, optarg, opt->long_name);
941 /* NEG is true for `--no-FOO' style boolean options. */
942 bool neg = !!(val & BOOLEAN_NEG_MARKER);
943 setoptval (opt->data, neg ? "0" : "1", opt->long_name);
948 void (*func) (void) = (void (*) (void)) opt->data;
952 case OPT__APPEND_OUTPUT:
953 setoptval ("logfile", optarg, opt->long_name);
954 append_to_log = true;
957 run_command (optarg);
961 /* We support real --no-FOO flags now, but keep these
962 short options for convenience and backward
965 for (p = optarg; *p; p++)
969 setoptval ("verbose", "0", opt->long_name);
972 setoptval ("addhostdir", "0", opt->long_name);
975 setoptval ("dirstruct", "0", opt->long_name);
978 setoptval ("noclobber", "1", opt->long_name);
981 setoptval ("noparent", "1", opt->long_name);
984 fprintf (stderr, _("%s: illegal option -- `-n%c'\n"),
987 fprintf (stderr, "\n");
988 fprintf (stderr, _("Try `%s --help' for more options.\n"),
997 /* The wgetrc commands are named noparent and noclobber,
998 so we must revert the meaning of the cmdline options
999 before passing the value to setoptval. */
1002 flag = (*optarg == '1' || c_tolower (*optarg) == 'y'
1003 || (c_tolower (optarg[0]) == 'o'
1004 && c_tolower (optarg[1]) == 'n'));
1005 setoptval (opt->type == OPT__PARENT ? "noparent" : "noclobber",
1006 flag ? "0" : "1", opt->long_name);
1009 case OPT__DONT_REMOVE_LISTING:
1010 setoptval ("removelisting", "0", opt->long_name);
1017 nurl = argc - optind;
1019 /* All user options have now been processed, so it's now safe to do
1020 interoption dependency checks. */
1022 if (opt.reclevel == 0)
1023 opt.reclevel = INFINITE_RECURSION; /* see recur.h for commentary */
1025 if (opt.spider || opt.delete_after)
1026 opt.no_dirstruct = true;
1028 if (opt.page_requisites && !opt.recursive)
1030 /* Don't set opt.recursive here because it would confuse the FTP
1031 code. Instead, call retrieve_tree below when either
1032 page_requisites or recursive is requested. */
1034 if (!opt.no_dirstruct)
1035 opt.dirstruct = 1; /* normally handled by cmd_spec_recursive() */
1038 if (opt.verbose == -1)
1039 opt.verbose = !opt.quiet;
1041 /* Sanity checks. */
1042 if (opt.verbose && opt.quiet)
1044 fprintf (stderr, _("Can't be verbose and quiet at the same time.\n"));
1048 if (opt.timestamping && opt.noclobber)
1050 fprintf (stderr, _("\
1051 Can't timestamp and not clobber old files at the same time.\n"));
1056 if (opt.ipv4_only && opt.ipv6_only)
1059 _("Cannot specify both --inet4-only and --inet6-only.\n"));
1064 if (opt.output_document)
1066 if (opt.convert_links
1067 && (nurl > 1 || opt.page_requisites || opt.recursive))
1070 Cannot specify both -k and -O if multiple URLs are given, or in combination\n\
1071 with -p or -r. See the manual for details.\n\n"), stderr);
1075 if (opt.page_requisites
1078 logprintf (LOG_NOTQUIET, "%s", _("\
1079 WARNING: combining -O with -r or -p will mean that all downloaded content\n\
1080 will be placed in the single file you specified.\n\n"));
1082 if (opt.timestamping)
1084 logprintf (LOG_NOTQUIET, "%s", _("\
1085 WARNING: timestamping does nothing in combination with -O. See the manual\n\
1086 for details.\n\n"));
1087 opt.timestamping = false;
1089 if (opt.noclobber && file_exists_p(opt.output_document))
1091 /* Check if output file exists; if it does, exit. */
1092 logprintf (LOG_VERBOSE,
1093 _("File `%s' already there; not retrieving.\n"),
1094 opt.output_document);
1099 if (opt.ask_passwd && opt.passwd)
1102 _("Cannot specify both --ask-password and --password.\n"));
1107 if (!nurl && !opt.input_filename)
1109 /* No URL specified. */
1110 fprintf (stderr, _("%s: missing URL\n"), exec_name);
1113 /* #### Something nicer should be printed here -- similar to the
1114 pre-1.5 `--help' page. */
1115 fprintf (stderr, _("Try `%s --help' for more options.\n"), exec_name);
1122 if (opt.locale && !check_encoding_name (opt.locale))
1126 opt.locale = find_locale ();
1128 if (opt.encoding_remote && !check_encoding_name (opt.encoding_remote))
1129 opt.encoding_remote = NULL;
1132 if (opt.enable_iri || opt.locale || opt.encoding_remote)
1134 /* sXXXav : be more specific... */
1135 fprintf (stderr, _("This version does not have support for IRIs\n"));
1142 opt.passwd = prompt_for_password ();
1144 if (opt.passwd == NULL || opt.passwd[0] == '\0')
1154 fork_to_background ();
1157 /* Initialize progress. Have to do this after the options are
1158 processed so we know where the log file is. */
1160 set_progress_implementation (opt.progress_type);
1162 /* Fill in the arguments. */
1163 url = alloca_array (char *, nurl + 1);
1164 for (i = 0; i < nurl; i++, optind++)
1166 char *rewritten = rewrite_shorthand_url (argv[optind]);
1170 url[i] = xstrdup (argv[optind]);
1174 /* Initialize logging. */
1175 log_init (opt.lfilename, append_to_log);
1177 DEBUGP (("DEBUG output created by Wget %s on %s.\n\n",
1178 version_string, OS_TYPE));
1180 /* Open the output filename if necessary. */
1183 Note that having the output_stream ("-O") file opened here for an FTP
1184 URL rather than in getftp() (ftp.c) (and the http equivalent) rather
1185 limits the ability in VMS to open the file differently for ASCII
1186 versus binary FTP there. (Of course, doing it here allows a open
1187 failure to be detected immediately, without first connecting to the
1190 if (opt.output_document)
1192 if (HYPHENP (opt.output_document))
1196 result = freopen ("CONOUT$", "wb", stdout);
1199 logputs (LOG_NOTQUIET, _("\
1200 WARNING: Can't reopen standard output in binary mode;\n\
1201 downloaded file may contain inappropriate line endings.\n"));
1204 output_stream = stdout;
1211 /* Common fopen() optional arguments:
1212 sequential access only, access callback function.
1214 # define FOPEN_OPT_ARGS , "fop=sqo", "acc", acc_cb, &open_id
1216 #else /* def __VMS */
1217 # define FOPEN_OPT_ARGS
1218 #endif /* def __VMS [else] */
1220 output_stream = fopen (opt.output_document,
1221 opt.always_rest ? "ab" : "wb"
1223 if (output_stream == NULL)
1225 perror (opt.output_document);
1228 if (fstat (fileno (output_stream), &st) == 0 && S_ISREG (st.st_mode))
1229 output_stream_regular = true;
1231 if (!output_stream_regular && opt.convert_links)
1233 fprintf (stderr, _("-k can be used together with -O only if \
1234 outputting to a regular file.\n"));
1241 /* Set global ODS5 flag according to the specified destination (if
1242 any), otherwise according to the current default device.
1244 if (output_stream == NULL)
1245 set_ods5_dest( "SYS$DISK");
1246 else if (output_stream != stdout)
1247 set_ods5_dest( opt.output_document);
1248 #endif /* def __VMS */
1255 /* Setup the signal handler to redirect output when hangup is
1257 if (signal(SIGHUP, SIG_IGN) != SIG_IGN)
1258 signal(SIGHUP, redirect_output_signal);
1260 /* ...and do the same for SIGUSR1. */
1262 signal (SIGUSR1, redirect_output_signal);
1265 /* Writing to a closed socket normally signals SIGPIPE, and the
1266 process exits. What we want is to ignore SIGPIPE and just check
1267 for the return value of write(). */
1268 signal (SIGPIPE, SIG_IGN);
1271 signal (SIGWINCH, progress_handle_sigwinch);
1274 /* Retrieve the URLs from argument list. */
1275 for (t = url; *t; t++)
1277 char *filename = NULL, *redirected_URL = NULL;
1279 /* Need to do a new struct iri every time, because
1280 * retrieve_url may modify it in some circumstances,
1282 struct iri *iri = iri_new ();
1283 struct url *url_parsed;
1285 set_uri_encoding (iri, opt.locale, true);
1286 url_parsed = url_parse (*t, &url_err, iri, true);
1290 char *error = url_error (*t, url_err);
1291 logprintf (LOG_NOTQUIET, "%s: %s.\n",*t, error);
1296 if ((opt.recursive || opt.page_requisites)
1297 && (url_scheme (*t) != SCHEME_FTP || url_uses_proxy (url_parsed)))
1299 int old_follow_ftp = opt.follow_ftp;
1301 /* Turn opt.follow_ftp on in case of recursive FTP retrieval */
1302 if (url_scheme (*t) == SCHEME_FTP)
1305 retrieve_tree (url_parsed, NULL);
1307 opt.follow_ftp = old_follow_ftp;
1311 retrieve_url (url_parsed, *t, &filename, &redirected_URL, NULL,
1312 &dt, opt.recursive, iri, true);
1315 if (opt.delete_after && file_exists_p(filename))
1317 DEBUGP (("Removing file due to --delete-after in main():\n"));
1318 logprintf (LOG_VERBOSE, _("Removing %s.\n"), filename);
1319 if (unlink (filename))
1320 logprintf (LOG_NOTQUIET, "unlink: %s\n", strerror (errno));
1322 xfree_null (redirected_URL);
1323 xfree_null (filename);
1324 url_free (url_parsed);
1329 /* And then from the input file, if any. */
1330 if (opt.input_filename)
1333 retrieve_from_file (opt.input_filename, opt.force_html, &count);
1335 logprintf (LOG_NOTQUIET, _("No URLs found in %s.\n"),
1336 opt.input_filename);
1339 /* Print broken links. */
1340 if (opt.recursive && opt.spider)
1341 print_broken_links ();
1343 /* Print the downloaded sum. */
1344 if ((opt.recursive || opt.page_requisites
1346 || (opt.input_filename && total_downloaded_bytes != 0))
1348 total_downloaded_bytes != 0)
1350 logprintf (LOG_NOTQUIET,
1351 _("FINISHED --%s--\nDownloaded: %d files, %s in %s (%s)\n"),
1352 datetime_str (time (NULL)),
1354 human_readable (total_downloaded_bytes),
1355 secs_to_human_time (total_download_time),
1356 retr_rate (total_downloaded_bytes, total_download_time));
1357 /* Print quota warning, if exceeded. */
1358 if (opt.quota && total_downloaded_bytes > opt.quota)
1359 logprintf (LOG_NOTQUIET,
1360 _("Download quota of %s EXCEEDED!\n"),
1361 human_readable (opt.quota));
1364 if (opt.cookies_output)
1367 if (opt.convert_links && !opt.delete_after)
1368 convert_all_links ();
1371 for (i = 0; i < nurl; i++)
1375 return get_exit_status ();
1377 #endif /* TESTING */
1379 #if defined(SIGHUP) || defined(SIGUSR1)
1381 /* So the signal_name check doesn't blow when only one is available. */
1389 /* Hangup signal handler. When wget receives SIGHUP or SIGUSR1, it
1390 will proceed operation as usual, trying to write into a log file.
1391 If that is impossible, the output will be turned off. */
1394 redirect_output_signal (int sig)
1396 const char *signal_name = (sig == SIGHUP ? "SIGHUP" :
1397 (sig == SIGUSR1 ? "SIGUSR1" :
1399 log_request_redirect_output (signal_name);
1400 progress_schedule_redirect ();
1401 signal (sig, redirect_output_signal);