1 /* Command line parsing.
2 Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
3 2004, 2005, 2006, 2007, 2008, 2009 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 { "user", 0, OPT_VALUE, "user", -1 },
270 { "user-agent", 'U', OPT_VALUE, "useragent", -1 },
271 { "verbose", 'v', OPT_BOOLEAN, "verbose", -1 },
272 { "verbose", 0, OPT_BOOLEAN, "verbose", -1 },
273 { "version", 'V', OPT_FUNCALL, (void *) print_version, no_argument },
274 { "wait", 'w', OPT_VALUE, "wait", -1 },
275 { "waitretry", 0, OPT_VALUE, "waitretry", -1 },
277 { "wdebug", 0, OPT_BOOLEAN, "wdebug", -1 },
284 /* Return a string that contains S with "no-" prepended. The string
285 is NUL-terminated and allocated off static storage at Wget
289 no_prefix (const char *s)
291 static char buffer[1024];
292 static char *p = buffer;
295 int size = 3 + strlen (s) + 1; /* "no-STRING\0" */
296 if (p + size >= buffer + sizeof (buffer))
299 cp[0] = 'n', cp[1] = 'o', cp[2] = '-';
305 /* The arguments that that main passes to getopt_long. */
306 static struct option long_options[2 * countof (option_data) + 1];
307 static char short_options[128];
309 /* Mapping between short option chars and option_data indices. */
310 static unsigned char optmap[96];
312 /* Marker for `--no-FOO' values in long_options. */
313 #define BOOLEAN_NEG_MARKER 1024
315 /* Initialize the long_options array used by getopt_long from the data
321 char *p = short_options;
323 for (i = 0; i < countof (option_data); i++)
325 struct cmdline_option *opt = &option_data[i];
326 struct option *longopt;
329 /* The option is disabled. */
332 longopt = &long_options[o++];
333 longopt->name = opt->long_name;
337 *p++ = opt->short_name;
338 optmap[opt->short_name - 32] = longopt - long_options;
343 longopt->has_arg = required_argument;
348 /* Specify an optional argument for long options, so that
349 --option=off works the same as --no-option, for
350 compatibility with pre-1.10 Wget. However, don't specify
351 optional arguments short-option booleans because they
352 prevent combining of short options. */
353 longopt->has_arg = optional_argument;
354 /* For Boolean options, add the "--no-FOO" variant, which is
355 identical to "--foo", except it has opposite meaning and
356 it doesn't allow an argument. */
357 longopt = &long_options[o++];
358 longopt->name = no_prefix (opt->long_name);
359 longopt->has_arg = no_argument;
360 /* Mask the value so we'll be able to recognize that we're
361 dealing with the false value. */
362 longopt->val = i | BOOLEAN_NEG_MARKER;
365 assert (opt->argtype != -1);
366 longopt->has_arg = opt->argtype;
369 if (longopt->has_arg == required_argument)
371 /* Don't handle optional_argument */
375 /* Terminate short_options. */
377 /* No need for xzero(long_options[o]) because its storage is static
378 and it will be zeroed by default. */
379 assert (o <= countof (long_options));
382 /* Print the usage message. */
386 printf (_("Usage: %s [OPTION]... [URL]...\n"), exec_name);
389 /* Print the help message, describing all the available options. If
390 you add an option, be sure to update this list. */
394 /* We split the help text this way to ease translation of individual
396 static const char *help[] = {
399 Mandatory arguments to long options are mandatory for short options too.\n\n"),
403 -V, --version display the version of Wget and exit.\n"),
405 -h, --help print this help.\n"),
407 -b, --background go to background after startup.\n"),
409 -e, --execute=COMMAND execute a `.wgetrc'-style command.\n"),
413 Logging and input file:\n"),
415 -o, --output-file=FILE log messages to FILE.\n"),
417 -a, --append-output=FILE append messages to FILE.\n"),
420 -d, --debug print lots of debugging information.\n"),
424 --wdebug print Watt-32 debug output.\n"),
427 -q, --quiet quiet (no output).\n"),
429 -v, --verbose be verbose (this is the default).\n"),
431 -nv, --no-verbose turn off verboseness, without being quiet.\n"),
433 -i, --input-file=FILE download URLs found in local or external FILE.\n"),
435 -F, --force-html treat input file as HTML.\n"),
437 -B, --base=URL resolves HTML input-file links (-i -F)\n\
438 relative to URL.\n"),
444 -t, --tries=NUMBER set number of retries to NUMBER (0 unlimits).\n"),
446 --retry-connrefused retry even if connection is refused.\n"),
448 -O, --output-document=FILE write documents to FILE.\n"),
450 -nc, --no-clobber skip downloads that would download to\n\
453 -c, --continue resume getting a partially-downloaded file.\n"),
455 --progress=TYPE select progress gauge type.\n"),
457 -N, --timestamping don't re-retrieve files unless newer than\n\
460 -S, --server-response print server response.\n"),
462 --spider don't download anything.\n"),
464 -T, --timeout=SECONDS set all timeout values to SECONDS.\n"),
466 --dns-timeout=SECS set the DNS lookup timeout to SECS.\n"),
468 --connect-timeout=SECS set the connect timeout to SECS.\n"),
470 --read-timeout=SECS set the read timeout to SECS.\n"),
472 -w, --wait=SECONDS wait SECONDS between retrievals.\n"),
474 --waitretry=SECONDS wait 1..SECONDS between retries of a retrieval.\n"),
476 --random-wait wait from 0...2*WAIT secs between retrievals.\n"),
478 --no-proxy explicitly turn off proxy.\n"),
480 -Q, --quota=NUMBER set retrieval quota to NUMBER.\n"),
482 --bind-address=ADDRESS bind to ADDRESS (hostname or IP) on local host.\n"),
484 --limit-rate=RATE limit download rate to RATE.\n"),
486 --no-dns-cache disable caching DNS lookups.\n"),
488 --restrict-file-names=OS restrict chars in file names to ones OS allows.\n"),
490 --ignore-case ignore case when matching files/directories.\n"),
493 -4, --inet4-only connect only to IPv4 addresses.\n"),
495 -6, --inet6-only connect only to IPv6 addresses.\n"),
497 --prefer-family=FAMILY connect first to addresses of specified family,\n\
498 one of IPv6, IPv4, or none.\n"),
501 --user=USER set both ftp and http user to USER.\n"),
503 --password=PASS set both ftp and http password to PASS.\n"),
505 --ask-password prompt for passwords.\n"),
507 --no-iri turn off IRI support.\n"),
509 --local-encoding=ENC use ENC as the local encoding for IRIs.\n"),
511 --remote-encoding=ENC use ENC as the default remote encoding.\n"),
517 -nd, --no-directories don't create directories.\n"),
519 -x, --force-directories force creation of directories.\n"),
521 -nH, --no-host-directories don't create host directories.\n"),
523 --protocol-directories use protocol name in directories.\n"),
525 -P, --directory-prefix=PREFIX save files to PREFIX/...\n"),
527 --cut-dirs=NUMBER ignore NUMBER remote directory components.\n"),
533 --http-user=USER set http user to USER.\n"),
535 --http-password=PASS set http password to PASS.\n"),
537 --no-cache disallow server-cached data.\n"),
539 --default-page=NAME Change the default page name (normally\n\
540 this is `index.html'.).\n"),
542 -E, --adjust-extension save HTML/CSS documents with proper extensions.\n"),
544 --ignore-length ignore `Content-Length' header field.\n"),
546 --header=STRING insert STRING among the headers.\n"),
548 --max-redirect maximum redirections allowed per page.\n"),
550 --proxy-user=USER set USER as proxy username.\n"),
552 --proxy-password=PASS set PASS as proxy password.\n"),
554 --referer=URL include `Referer: URL' header in HTTP request.\n"),
556 --save-headers save the HTTP headers to file.\n"),
558 -U, --user-agent=AGENT identify as AGENT instead of Wget/VERSION.\n"),
560 --no-http-keep-alive disable HTTP keep-alive (persistent connections).\n"),
562 --no-cookies don't use cookies.\n"),
564 --load-cookies=FILE load cookies from FILE before session.\n"),
566 --save-cookies=FILE save cookies to FILE after session.\n"),
568 --keep-session-cookies load and save session (non-permanent) cookies.\n"),
570 --post-data=STRING use the POST method; send STRING as the data.\n"),
572 --post-file=FILE use the POST method; send contents of FILE.\n"),
574 --content-disposition honor the Content-Disposition header when\n\
575 choosing local file names (EXPERIMENTAL).\n"),
577 --auth-no-challenge send Basic HTTP authentication information\n\
578 without first waiting for the server's\n\
584 HTTPS (SSL/TLS) options:\n"),
586 --secure-protocol=PR choose secure protocol, one of auto, SSLv2,\n\
587 SSLv3, and TLSv1.\n"),
589 --no-check-certificate don't validate the server's certificate.\n"),
591 --certificate=FILE client certificate file.\n"),
593 --certificate-type=TYPE client certificate type, PEM or DER.\n"),
595 --private-key=FILE private key file.\n"),
597 --private-key-type=TYPE private key type, PEM or DER.\n"),
599 --ca-certificate=FILE file with the bundle of CA's.\n"),
601 --ca-directory=DIR directory where hash list of CA's is stored.\n"),
603 --random-file=FILE file with random data for seeding the SSL PRNG.\n"),
605 --egd-file=FILE file naming the EGD socket with random data.\n"),
607 #endif /* HAVE_SSL */
613 --ftp-stmlf Use Stream_LF format for all binary FTP files.\n"),
614 #endif /* def __VMS */
616 --ftp-user=USER set ftp user to USER.\n"),
618 --ftp-password=PASS set ftp password to PASS.\n"),
620 --no-remove-listing don't remove `.listing' files.\n"),
622 --no-glob turn off FTP file name globbing.\n"),
624 --no-passive-ftp disable the \"passive\" transfer mode.\n"),
626 --retr-symlinks when recursing, get linked-to files (not dir).\n"),
630 Recursive download:\n"),
632 -r, --recursive specify recursive download.\n"),
634 -l, --level=NUMBER maximum recursion depth (inf or 0 for infinite).\n"),
636 --delete-after delete files locally after downloading them.\n"),
638 -k, --convert-links make links in downloaded HTML or CSS point to\n\
642 -K, --backup-converted before converting file X, back up as X_orig.\n"),
643 #else /* def __VMS */
645 -K, --backup-converted before converting file X, back up as X.orig.\n"),
646 #endif /* def __VMS [else] */
648 -m, --mirror shortcut for -N -r -l inf --no-remove-listing.\n"),
650 -p, --page-requisites get all images, etc. needed to display HTML page.\n"),
652 --strict-comments turn on strict (SGML) handling of HTML comments.\n"),
656 Recursive accept/reject:\n"),
658 -A, --accept=LIST comma-separated list of accepted extensions.\n"),
660 -R, --reject=LIST comma-separated list of rejected extensions.\n"),
662 -D, --domains=LIST comma-separated list of accepted domains.\n"),
664 --exclude-domains=LIST comma-separated list of rejected domains.\n"),
666 --follow-ftp follow FTP links from HTML documents.\n"),
668 --follow-tags=LIST comma-separated list of followed HTML tags.\n"),
670 --ignore-tags=LIST comma-separated list of ignored HTML tags.\n"),
672 -H, --span-hosts go to foreign hosts when recursive.\n"),
674 -L, --relative follow relative links only.\n"),
676 -I, --include-directories=LIST list of allowed directories.\n"),
678 -X, --exclude-directories=LIST list of excluded directories.\n"),
680 -np, --no-parent don't ascend to the parent directory.\n"),
683 N_("Mail bug reports and suggestions to <bug-wget@gnu.org>.\n")
688 printf (_("GNU Wget %s, a non-interactive network retriever.\n"),
692 for (i = 0; i < countof (help); i++)
693 fputs (_(help[i]), stdout);
698 /* Return a human-readable printed representation of INTERVAL,
699 measured in seconds. */
702 secs_to_human_time (double interval)
705 int secs = (int) (interval + 0.5);
706 int hours, mins, days;
708 days = secs / 86400, secs %= 86400;
709 hours = secs / 3600, secs %= 3600;
710 mins = secs / 60, secs %= 60;
713 sprintf (buf, "%dd %dh %dm %ds", days, hours, mins, secs);
715 sprintf (buf, "%dh %dm %ds", hours, mins, secs);
717 sprintf (buf, "%dm %ds", mins, secs);
719 sprintf (buf, "%ss", print_decimal (interval));
725 prompt_for_password (void)
728 printf (_("Password for user %s: "), quote (opt.user));
730 printf (_("Password: "));
734 /* Function that prints the line argument while limiting it
735 to at most line_length. prefix is printed on the first line
736 and an appropriate number of spaces are added on subsequent
739 format_and_print_line (const char *prefix, const char *line,
743 char *line_dup, *token;
745 assert (prefix != NULL);
746 assert (line != NULL);
748 line_dup = xstrdup (line);
750 if (line_length <= 0)
751 line_length = MAX_CHARS_PER_LINE - TABULATION;
753 printf ("%s", prefix);
754 remaining_chars = line_length;
755 /* We break on spaces. */
756 token = strtok (line_dup, " ");
757 while (token != NULL)
759 /* If however a token is much larger than the maximum
760 line length, all bets are off and we simply print the
761 token on the next line. */
762 if (remaining_chars <= strlen (token))
764 printf ("\n%*c", TABULATION, ' ');
765 remaining_chars = line_length - TABULATION;
767 printf ("%s ", token);
768 remaining_chars -= strlen (token) + 1; /* account for " " */
769 token = strtok (NULL, " ");
780 const char *wgetrc_title = _("Wgetrc: ");
781 const char *locale_title = _("Locale: ");
782 const char *compile_title = _("Compile: ");
783 const char *link_title = _("Link: ");
785 char *env_wgetrc, *user_wgetrc;
788 printf (_("GNU Wget %s built on %s.\n\n"), version_string, OS_TYPE);
789 /* compiled_features is a char*[]. We limit the characters per
790 line to MAX_CHARS_PER_LINE and prefix each line with a constant
791 number of spaces for proper alignment. */
792 for (i = 0; compiled_features[i] != NULL; )
794 int line_length = MAX_CHARS_PER_LINE;
795 while ((line_length > 0) && (compiled_features[i] != NULL))
797 printf ("%s ", compiled_features[i]);
798 line_length -= strlen (compiled_features[i]) + 2;
804 /* Handle the case when $WGETRC is unset and $HOME/.wgetrc is
806 printf ("%s\n", wgetrc_title);
807 env_wgetrc = wgetrc_env_file_name ();
808 if (env_wgetrc && *env_wgetrc)
810 printf (_(" %s (env)\n"), env_wgetrc);
813 user_wgetrc = wgetrc_user_file_name ();
816 printf (_(" %s (user)\n"), user_wgetrc);
820 printf (_(" %s (system)\n"), SYSTEM_WGETRC);
824 format_and_print_line (locale_title,
827 #endif /* def ENABLE_NLS */
829 format_and_print_line (compile_title,
833 format_and_print_line (link_title,
838 /* TRANSLATORS: When available, an actual copyright character
839 (cirle-c) should be used in preference to "(C)". */
841 Copyright (C) 2009 Free Software Foundation, Inc.\n"), stdout);
843 License GPLv3+: GNU GPL version 3 or later\n\
844 <http://www.gnu.org/licenses/gpl.html>.\n\
845 This is free software: you are free to change and redistribute it.\n\
846 There is NO WARRANTY, to the extent permitted by law.\n"), stdout);
847 /* TRANSLATORS: When available, please use the proper diacritics for
848 names such as this one. See en_US.po for reference. */
849 fputs (_("\nOriginally written by Hrvoje Niksic <hniksic@xemacs.org>.\n"),
851 fputs (_("Currently maintained by Micah Cowan <micah@cowan.name>.\n"),
853 fputs (_("Please send bug reports and questions to <bug-wget@gnu.org>.\n"),
858 char *program_name; /* Needed by lib/error.c. */
861 main (int argc, char **argv)
864 int i, ret, longindex;
866 bool append_to_log = false;
868 program_name = argv[0];
872 /* Construct the name of the executable, without the directory part. */
873 exec_name = strrchr (argv[0], PATH_SEPARATOR);
880 /* Drop extension (typically .EXE) from executable filename. */
881 windows_main ((char **) &exec_name);
884 /* Set option defaults; read the system wgetrc and ~/.wgetrc. */
889 while ((ret = getopt_long (argc, argv,
890 short_options, long_options, &longindex)) != -1)
893 struct cmdline_option *opt;
895 /* If LONGINDEX is unchanged, it means RET is referring a short
903 printf (_("Try `%s --help' for more options.\n"), exec_name);
906 /* Find the short option character in the mapping. */
907 longindex = optmap[ret - 32];
909 val = long_options[longindex].val;
911 /* Use the retrieved value to locate the option in the
912 option_data array, and to see if we're dealing with the
913 negated "--no-FOO" variant of the boolean option "--foo". */
914 opt = &option_data[val & ~BOOLEAN_NEG_MARKER];
918 setoptval (opt->data, optarg, opt->long_name);
922 /* The user has specified a value -- use it. */
923 setoptval (opt->data, optarg, opt->long_name);
926 /* NEG is true for `--no-FOO' style boolean options. */
927 bool neg = !!(val & BOOLEAN_NEG_MARKER);
928 setoptval (opt->data, neg ? "0" : "1", opt->long_name);
933 void (*func) (void) = (void (*) (void)) opt->data;
937 case OPT__APPEND_OUTPUT:
938 setoptval ("logfile", optarg, opt->long_name);
939 append_to_log = true;
942 run_command (optarg);
946 /* We support real --no-FOO flags now, but keep these
947 short options for convenience and backward
950 for (p = optarg; *p; p++)
954 setoptval ("verbose", "0", opt->long_name);
957 setoptval ("addhostdir", "0", opt->long_name);
960 setoptval ("dirstruct", "0", opt->long_name);
963 setoptval ("noclobber", "1", opt->long_name);
966 setoptval ("noparent", "1", opt->long_name);
969 printf (_("%s: illegal option -- `-n%c'\n"), exec_name, *p);
972 printf (_("Try `%s --help' for more options.\n"), exec_name);
980 /* The wgetrc commands are named noparent and noclobber,
981 so we must revert the meaning of the cmdline options
982 before passing the value to setoptval. */
985 flag = (*optarg == '1' || c_tolower (*optarg) == 'y'
986 || (c_tolower (optarg[0]) == 'o'
987 && c_tolower (optarg[1]) == 'n'));
988 setoptval (opt->type == OPT__PARENT ? "noparent" : "noclobber",
989 flag ? "0" : "1", opt->long_name);
992 case OPT__DONT_REMOVE_LISTING:
993 setoptval ("removelisting", "0", opt->long_name);
1000 nurl = argc - optind;
1002 /* All user options have now been processed, so it's now safe to do
1003 interoption dependency checks. */
1005 if (opt.reclevel == 0)
1006 opt.reclevel = INFINITE_RECURSION; /* see recur.h for commentary */
1008 if (opt.spider || opt.delete_after)
1009 opt.no_dirstruct = true;
1011 if (opt.page_requisites && !opt.recursive)
1013 /* Don't set opt.recursive here because it would confuse the FTP
1014 code. Instead, call retrieve_tree below when either
1015 page_requisites or recursive is requested. */
1017 if (!opt.no_dirstruct)
1018 opt.dirstruct = 1; /* normally handled by cmd_spec_recursive() */
1021 if (opt.verbose == -1)
1022 opt.verbose = !opt.quiet;
1024 /* Sanity checks. */
1025 if (opt.verbose && opt.quiet)
1027 printf (_("Can't be verbose and quiet at the same time.\n"));
1031 if (opt.timestamping && opt.noclobber)
1034 Can't timestamp and not clobber old files at the same time.\n"));
1039 if (opt.ipv4_only && opt.ipv6_only)
1041 printf (_("Cannot specify both --inet4-only and --inet6-only.\n"));
1046 if (opt.output_document)
1048 if (opt.convert_links
1049 && (nurl > 1 || opt.page_requisites || opt.recursive))
1052 Cannot specify both -k and -O if multiple URLs are given, or in combination\n\
1053 with -p or -r. See the manual for details.\n\n"), stdout);
1057 if (opt.page_requisites
1060 logprintf (LOG_NOTQUIET, "%s", _("\
1061 WARNING: combining -O with -r or -p will mean that all downloaded content\n\
1062 will be placed in the single file you specified.\n\n"));
1064 if (opt.timestamping)
1066 logprintf (LOG_NOTQUIET, "%s", _("\
1067 WARNING: timestamping does nothing in combination with -O. See the manual\n\
1068 for details.\n\n"));
1069 opt.timestamping = false;
1071 if (opt.noclobber && file_exists_p(opt.output_document))
1073 /* Check if output file exists; if it does, exit. */
1074 logprintf (LOG_VERBOSE, _("File `%s' already there; not retrieving.\n"), opt.output_document);
1079 if (opt.ask_passwd && opt.passwd)
1081 printf (_("Cannot specify both --ask-password and --password.\n"));
1086 if (!nurl && !opt.input_filename)
1088 /* No URL specified. */
1089 printf (_("%s: missing URL\n"), exec_name);
1092 /* #### Something nicer should be printed here -- similar to the
1093 pre-1.5 `--help' page. */
1094 printf (_("Try `%s --help' for more options.\n"), exec_name);
1101 if (opt.locale && !check_encoding_name (opt.locale))
1105 opt.locale = find_locale ();
1107 if (opt.encoding_remote && !check_encoding_name (opt.encoding_remote))
1108 opt.encoding_remote = NULL;
1111 if (opt.enable_iri || opt.locale || opt.encoding_remote)
1113 /* sXXXav : be more specific... */
1114 printf(_("This version does not have support for IRIs\n"));
1121 opt.passwd = prompt_for_password ();
1123 if (opt.passwd == NULL || opt.passwd[0] == '\0')
1133 fork_to_background ();
1136 /* Initialize progress. Have to do this after the options are
1137 processed so we know where the log file is. */
1139 set_progress_implementation (opt.progress_type);
1141 /* Fill in the arguments. */
1142 url = alloca_array (char *, nurl + 1);
1143 for (i = 0; i < nurl; i++, optind++)
1145 char *rewritten = rewrite_shorthand_url (argv[optind]);
1149 url[i] = xstrdup (argv[optind]);
1153 /* Initialize logging. */
1154 log_init (opt.lfilename, append_to_log);
1156 DEBUGP (("DEBUG output created by Wget %s on %s.\n\n",
1157 version_string, OS_TYPE));
1159 /* Open the output filename if necessary. */
1162 Note that having the output_stream ("-O") file opened here for an FTP
1163 URL rather than in getftp() (ftp.c) (and the http equivalent) rather
1164 limits the ability in VMS to open the file differently for ASCII
1165 versus binary FTP there. (Of course, doing it here allows a open
1166 failure to be detected immediately, without first connecting to the
1169 if (opt.output_document)
1171 if (HYPHENP (opt.output_document))
1175 result = freopen ("CONOUT$", "wb", stdout);
1178 logputs (LOG_NOTQUIET, _("\
1179 WARNING: Can't reopen standard output in binary mode;\n\
1180 downloaded file may contain inappropriate line endings.\n"));
1183 output_stream = stdout;
1190 /* Common fopen() optional arguments:
1191 sequential access only, access callback function.
1193 # define FOPEN_OPT_ARGS , "fop=sqo", "acc", acc_cb, &open_id
1195 #else /* def __VMS */
1196 # define FOPEN_OPT_ARGS
1197 #endif /* def __VMS [else] */
1199 output_stream = fopen (opt.output_document,
1200 opt.always_rest ? "ab" : "wb"
1202 if (output_stream == NULL)
1204 perror (opt.output_document);
1207 if (fstat (fileno (output_stream), &st) == 0 && S_ISREG (st.st_mode))
1208 output_stream_regular = true;
1213 /* Set global ODS5 flag according to the specified destination (if
1214 any), otherwise according to the current default device.
1216 if (output_stream == NULL)
1218 set_ods5_dest( "SYS$DISK");
1220 else if (output_stream != stdout)
1222 set_ods5_dest( opt.output_document);
1224 #endif /* def __VMS */
1231 /* Setup the signal handler to redirect output when hangup is
1233 if (signal(SIGHUP, SIG_IGN) != SIG_IGN)
1234 signal(SIGHUP, redirect_output_signal);
1236 /* ...and do the same for SIGUSR1. */
1238 signal (SIGUSR1, redirect_output_signal);
1241 /* Writing to a closed socket normally signals SIGPIPE, and the
1242 process exits. What we want is to ignore SIGPIPE and just check
1243 for the return value of write(). */
1244 signal (SIGPIPE, SIG_IGN);
1247 signal (SIGWINCH, progress_handle_sigwinch);
1250 status = RETROK; /* initialize it, just-in-case */
1251 /* Retrieve the URLs from argument list. */
1252 for (t = url; *t; t++)
1254 char *filename = NULL, *redirected_URL = NULL;
1256 /* Need to do a new struct iri every time, because
1257 * retrieve_url may modify it in some circumstances,
1259 struct iri *iri = iri_new ();
1260 struct url *url_parsed;
1262 set_uri_encoding (iri, opt.locale, true);
1263 url_parsed = url_parse (*t, &url_err, iri, true);
1267 char *error = url_error (*t, url_err);
1268 logprintf (LOG_NOTQUIET, "%s: %s.\n",*t, error);
1274 if ((opt.recursive || opt.page_requisites)
1275 && (url_scheme (*t) != SCHEME_FTP || url_uses_proxy (url_parsed)))
1277 int old_follow_ftp = opt.follow_ftp;
1279 /* Turn opt.follow_ftp on in case of recursive FTP retrieval */
1280 if (url_scheme (*t) == SCHEME_FTP)
1283 status = retrieve_tree (url_parsed, NULL);
1285 opt.follow_ftp = old_follow_ftp;
1289 status = retrieve_url (url_parsed, *t, &filename, &redirected_URL,
1290 NULL, &dt, opt.recursive, iri, true);
1293 if (opt.delete_after && file_exists_p(filename))
1295 DEBUGP (("Removing file due to --delete-after in main():\n"));
1296 logprintf (LOG_VERBOSE, _("Removing %s.\n"), filename);
1297 if (unlink (filename))
1298 logprintf (LOG_NOTQUIET, "unlink: %s\n", strerror (errno));
1300 xfree_null (redirected_URL);
1301 xfree_null (filename);
1302 url_free (url_parsed);
1307 /* And then from the input file, if any. */
1308 if (opt.input_filename)
1311 status = retrieve_from_file (opt.input_filename, opt.force_html, &count);
1313 logprintf (LOG_NOTQUIET, _("No URLs found in %s.\n"),
1314 opt.input_filename);
1317 /* Print broken links. */
1318 if (opt.recursive && opt.spider)
1320 print_broken_links();
1323 /* Print the downloaded sum. */
1324 if ((opt.recursive || opt.page_requisites
1326 || (opt.input_filename && total_downloaded_bytes != 0))
1328 total_downloaded_bytes != 0)
1330 logprintf (LOG_NOTQUIET,
1331 _("FINISHED --%s--\nDownloaded: %d files, %s in %s (%s)\n"),
1332 datetime_str (time (NULL)),
1334 human_readable (total_downloaded_bytes),
1335 secs_to_human_time (total_download_time),
1336 retr_rate (total_downloaded_bytes, total_download_time));
1337 /* Print quota warning, if exceeded. */
1338 if (opt.quota && total_downloaded_bytes > opt.quota)
1339 logprintf (LOG_NOTQUIET,
1340 _("Download quota of %s EXCEEDED!\n"),
1341 human_readable (opt.quota));
1344 if (opt.cookies_output)
1347 if (opt.convert_links && !opt.delete_after)
1348 convert_all_links ();
1351 for (i = 0; i < nurl; i++)
1355 return get_exit_status ();
1357 #endif /* TESTING */
1359 #if defined(SIGHUP) || defined(SIGUSR1)
1361 /* So the signal_name check doesn't blow when only one is available. */
1369 /* Hangup signal handler. When wget receives SIGHUP or SIGUSR1, it
1370 will proceed operation as usual, trying to write into a log file.
1371 If that is impossible, the output will be turned off. */
1374 redirect_output_signal (int sig)
1376 const char *signal_name = (sig == SIGHUP ? "SIGHUP" :
1377 (sig == SIGUSR1 ? "SIGUSR1" :
1379 log_request_redirect_output (signal_name);
1380 progress_schedule_redirect ();
1381 signal (sig, redirect_output_signal);