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);
790 for (i = 0; compiled_features[i] != NULL; )
792 int line_length = MAX_CHARS_PER_LINE;
793 while ((line_length > 0) && (compiled_features[i] != NULL))
795 printf ("%s ", compiled_features[i]);
796 line_length -= strlen (compiled_features[i]) + 2;
803 /* Handle the case when $WGETRC is unset and $HOME/.wgetrc is
805 printf ("%s\n", wgetrc_title);
806 env_wgetrc = wgetrc_env_file_name ();
807 if (env_wgetrc && *env_wgetrc)
809 printf (_(" %s (env)\n"), env_wgetrc);
812 user_wgetrc = wgetrc_user_file_name ();
815 printf (_(" %s (user)\n"), user_wgetrc);
819 printf (_(" %s (system)\n"), SYSTEM_WGETRC);
823 format_and_print_line (locale_title,
826 #endif /* def ENABLE_NLS */
828 if (compilation_string != NULL)
829 format_and_print_line (compile_title,
833 if (link_string != NULL)
834 format_and_print_line (link_title,
839 /* TRANSLATORS: When available, an actual copyright character
840 (cirle-c) should be used in preference to "(C)". */
842 Copyright (C) 2009 Free Software Foundation, Inc.\n"), stdout);
844 License GPLv3+: GNU GPL version 3 or later\n\
845 <http://www.gnu.org/licenses/gpl.html>.\n\
846 This is free software: you are free to change and redistribute it.\n\
847 There is NO WARRANTY, to the extent permitted by law.\n"), stdout);
848 /* TRANSLATORS: When available, please use the proper diacritics for
849 names such as this one. See en_US.po for reference. */
850 fputs (_("\nOriginally written by Hrvoje Niksic <hniksic@xemacs.org>.\n"),
852 fputs (_("Currently maintained by Micah Cowan <micah@cowan.name>.\n"),
854 fputs (_("Please send bug reports and questions to <bug-wget@gnu.org>.\n"),
859 char *program_name; /* Needed by lib/error.c. */
862 main (int argc, char **argv)
865 int i, ret, longindex;
867 bool append_to_log = false;
869 program_name = argv[0];
873 /* Construct the name of the executable, without the directory part. */
875 /* On VMS, lose the "dev:[dir]" prefix and the ".EXE;nnn" suffix. */
876 exec_name = vms_basename (argv[0]);
877 #else /* def __VMS */
878 exec_name = strrchr (argv[0], PATH_SEPARATOR);
883 #endif /* def __VMS [else] */
886 /* Drop extension (typically .EXE) from executable filename. */
887 windows_main ((char **) &exec_name);
890 /* Set option defaults; read the system wgetrc and ~/.wgetrc. */
895 while ((ret = getopt_long (argc, argv,
896 short_options, long_options, &longindex)) != -1)
899 struct cmdline_option *opt;
901 /* If LONGINDEX is unchanged, it means RET is referring a short
909 printf (_("Try `%s --help' for more options.\n"), exec_name);
912 /* Find the short option character in the mapping. */
913 longindex = optmap[ret - 32];
915 val = long_options[longindex].val;
917 /* Use the retrieved value to locate the option in the
918 option_data array, and to see if we're dealing with the
919 negated "--no-FOO" variant of the boolean option "--foo". */
920 opt = &option_data[val & ~BOOLEAN_NEG_MARKER];
924 setoptval (opt->data, optarg, opt->long_name);
928 /* The user has specified a value -- use it. */
929 setoptval (opt->data, optarg, opt->long_name);
932 /* NEG is true for `--no-FOO' style boolean options. */
933 bool neg = !!(val & BOOLEAN_NEG_MARKER);
934 setoptval (opt->data, neg ? "0" : "1", opt->long_name);
939 void (*func) (void) = (void (*) (void)) opt->data;
943 case OPT__APPEND_OUTPUT:
944 setoptval ("logfile", optarg, opt->long_name);
945 append_to_log = true;
948 run_command (optarg);
952 /* We support real --no-FOO flags now, but keep these
953 short options for convenience and backward
956 for (p = optarg; *p; p++)
960 setoptval ("verbose", "0", opt->long_name);
963 setoptval ("addhostdir", "0", opt->long_name);
966 setoptval ("dirstruct", "0", opt->long_name);
969 setoptval ("noclobber", "1", opt->long_name);
972 setoptval ("noparent", "1", opt->long_name);
975 printf (_("%s: illegal option -- `-n%c'\n"), exec_name, *p);
978 printf (_("Try `%s --help' for more options.\n"), exec_name);
986 /* The wgetrc commands are named noparent and noclobber,
987 so we must revert the meaning of the cmdline options
988 before passing the value to setoptval. */
991 flag = (*optarg == '1' || c_tolower (*optarg) == 'y'
992 || (c_tolower (optarg[0]) == 'o'
993 && c_tolower (optarg[1]) == 'n'));
994 setoptval (opt->type == OPT__PARENT ? "noparent" : "noclobber",
995 flag ? "0" : "1", opt->long_name);
998 case OPT__DONT_REMOVE_LISTING:
999 setoptval ("removelisting", "0", opt->long_name);
1006 nurl = argc - optind;
1008 /* All user options have now been processed, so it's now safe to do
1009 interoption dependency checks. */
1011 if (opt.reclevel == 0)
1012 opt.reclevel = INFINITE_RECURSION; /* see recur.h for commentary */
1014 if (opt.spider || opt.delete_after)
1015 opt.no_dirstruct = true;
1017 if (opt.page_requisites && !opt.recursive)
1019 /* Don't set opt.recursive here because it would confuse the FTP
1020 code. Instead, call retrieve_tree below when either
1021 page_requisites or recursive is requested. */
1023 if (!opt.no_dirstruct)
1024 opt.dirstruct = 1; /* normally handled by cmd_spec_recursive() */
1027 if (opt.verbose == -1)
1028 opt.verbose = !opt.quiet;
1030 /* Sanity checks. */
1031 if (opt.verbose && opt.quiet)
1033 printf (_("Can't be verbose and quiet at the same time.\n"));
1037 if (opt.timestamping && opt.noclobber)
1040 Can't timestamp and not clobber old files at the same time.\n"));
1045 if (opt.ipv4_only && opt.ipv6_only)
1047 printf (_("Cannot specify both --inet4-only and --inet6-only.\n"));
1052 if (opt.output_document)
1054 if (opt.convert_links
1055 && (nurl > 1 || opt.page_requisites || opt.recursive))
1058 Cannot specify both -k and -O if multiple URLs are given, or in combination\n\
1059 with -p or -r. See the manual for details.\n\n"), stdout);
1063 if (opt.page_requisites
1066 logprintf (LOG_NOTQUIET, "%s", _("\
1067 WARNING: combining -O with -r or -p will mean that all downloaded content\n\
1068 will be placed in the single file you specified.\n\n"));
1070 if (opt.timestamping)
1072 logprintf (LOG_NOTQUIET, "%s", _("\
1073 WARNING: timestamping does nothing in combination with -O. See the manual\n\
1074 for details.\n\n"));
1075 opt.timestamping = false;
1077 if (opt.noclobber && file_exists_p(opt.output_document))
1079 /* Check if output file exists; if it does, exit. */
1080 logprintf (LOG_VERBOSE, _("File `%s' already there; not retrieving.\n"), opt.output_document);
1085 if (opt.ask_passwd && opt.passwd)
1087 printf (_("Cannot specify both --ask-password and --password.\n"));
1092 if (!nurl && !opt.input_filename)
1094 /* No URL specified. */
1095 printf (_("%s: missing URL\n"), exec_name);
1098 /* #### Something nicer should be printed here -- similar to the
1099 pre-1.5 `--help' page. */
1100 printf (_("Try `%s --help' for more options.\n"), exec_name);
1107 if (opt.locale && !check_encoding_name (opt.locale))
1111 opt.locale = find_locale ();
1113 if (opt.encoding_remote && !check_encoding_name (opt.encoding_remote))
1114 opt.encoding_remote = NULL;
1117 if (opt.enable_iri || opt.locale || opt.encoding_remote)
1119 /* sXXXav : be more specific... */
1120 printf(_("This version does not have support for IRIs\n"));
1127 opt.passwd = prompt_for_password ();
1129 if (opt.passwd == NULL || opt.passwd[0] == '\0')
1139 fork_to_background ();
1142 /* Initialize progress. Have to do this after the options are
1143 processed so we know where the log file is. */
1145 set_progress_implementation (opt.progress_type);
1147 /* Fill in the arguments. */
1148 url = alloca_array (char *, nurl + 1);
1149 for (i = 0; i < nurl; i++, optind++)
1151 char *rewritten = rewrite_shorthand_url (argv[optind]);
1155 url[i] = xstrdup (argv[optind]);
1159 /* Initialize logging. */
1160 log_init (opt.lfilename, append_to_log);
1162 DEBUGP (("DEBUG output created by Wget %s on %s.\n\n",
1163 version_string, OS_TYPE));
1165 /* Open the output filename if necessary. */
1168 Note that having the output_stream ("-O") file opened here for an FTP
1169 URL rather than in getftp() (ftp.c) (and the http equivalent) rather
1170 limits the ability in VMS to open the file differently for ASCII
1171 versus binary FTP there. (Of course, doing it here allows a open
1172 failure to be detected immediately, without first connecting to the
1175 if (opt.output_document)
1177 if (HYPHENP (opt.output_document))
1181 result = freopen ("CONOUT$", "wb", stdout);
1184 logputs (LOG_NOTQUIET, _("\
1185 WARNING: Can't reopen standard output in binary mode;\n\
1186 downloaded file may contain inappropriate line endings.\n"));
1189 output_stream = stdout;
1196 /* Common fopen() optional arguments:
1197 sequential access only, access callback function.
1199 # define FOPEN_OPT_ARGS , "fop=sqo", "acc", acc_cb, &open_id
1201 #else /* def __VMS */
1202 # define FOPEN_OPT_ARGS
1203 #endif /* def __VMS [else] */
1205 output_stream = fopen (opt.output_document,
1206 opt.always_rest ? "ab" : "wb"
1208 if (output_stream == NULL)
1210 perror (opt.output_document);
1213 if (fstat (fileno (output_stream), &st) == 0 && S_ISREG (st.st_mode))
1214 output_stream_regular = true;
1219 /* Set global ODS5 flag according to the specified destination (if
1220 any), otherwise according to the current default device.
1222 if (output_stream == NULL)
1224 set_ods5_dest( "SYS$DISK");
1226 else if (output_stream != stdout)
1228 set_ods5_dest( opt.output_document);
1230 #endif /* def __VMS */
1237 /* Setup the signal handler to redirect output when hangup is
1239 if (signal(SIGHUP, SIG_IGN) != SIG_IGN)
1240 signal(SIGHUP, redirect_output_signal);
1242 /* ...and do the same for SIGUSR1. */
1244 signal (SIGUSR1, redirect_output_signal);
1247 /* Writing to a closed socket normally signals SIGPIPE, and the
1248 process exits. What we want is to ignore SIGPIPE and just check
1249 for the return value of write(). */
1250 signal (SIGPIPE, SIG_IGN);
1253 signal (SIGWINCH, progress_handle_sigwinch);
1256 status = RETROK; /* initialize it, just-in-case */
1257 /* Retrieve the URLs from argument list. */
1258 for (t = url; *t; t++)
1260 char *filename = NULL, *redirected_URL = NULL;
1262 /* Need to do a new struct iri every time, because
1263 * retrieve_url may modify it in some circumstances,
1265 struct iri *iri = iri_new ();
1266 struct url *url_parsed;
1268 set_uri_encoding (iri, opt.locale, true);
1269 url_parsed = url_parse (*t, &url_err, iri, true);
1273 char *error = url_error (*t, url_err);
1274 logprintf (LOG_NOTQUIET, "%s: %s.\n",*t, error);
1280 if ((opt.recursive || opt.page_requisites)
1281 && (url_scheme (*t) != SCHEME_FTP || url_uses_proxy (url_parsed)))
1283 int old_follow_ftp = opt.follow_ftp;
1285 /* Turn opt.follow_ftp on in case of recursive FTP retrieval */
1286 if (url_scheme (*t) == SCHEME_FTP)
1289 status = retrieve_tree (url_parsed, NULL);
1291 opt.follow_ftp = old_follow_ftp;
1295 status = retrieve_url (url_parsed, *t, &filename, &redirected_URL,
1296 NULL, &dt, opt.recursive, iri, true);
1299 if (opt.delete_after && file_exists_p(filename))
1301 DEBUGP (("Removing file due to --delete-after in main():\n"));
1302 logprintf (LOG_VERBOSE, _("Removing %s.\n"), filename);
1303 if (unlink (filename))
1304 logprintf (LOG_NOTQUIET, "unlink: %s\n", strerror (errno));
1306 xfree_null (redirected_URL);
1307 xfree_null (filename);
1308 url_free (url_parsed);
1313 /* And then from the input file, if any. */
1314 if (opt.input_filename)
1317 status = retrieve_from_file (opt.input_filename, opt.force_html, &count);
1319 logprintf (LOG_NOTQUIET, _("No URLs found in %s.\n"),
1320 opt.input_filename);
1323 /* Print broken links. */
1324 if (opt.recursive && opt.spider)
1326 print_broken_links();
1329 /* Print the downloaded sum. */
1330 if ((opt.recursive || opt.page_requisites
1332 || (opt.input_filename && total_downloaded_bytes != 0))
1334 total_downloaded_bytes != 0)
1336 logprintf (LOG_NOTQUIET,
1337 _("FINISHED --%s--\nDownloaded: %d files, %s in %s (%s)\n"),
1338 datetime_str (time (NULL)),
1340 human_readable (total_downloaded_bytes),
1341 secs_to_human_time (total_download_time),
1342 retr_rate (total_downloaded_bytes, total_download_time));
1343 /* Print quota warning, if exceeded. */
1344 if (opt.quota && total_downloaded_bytes > opt.quota)
1345 logprintf (LOG_NOTQUIET,
1346 _("Download quota of %s EXCEEDED!\n"),
1347 human_readable (opt.quota));
1350 if (opt.cookies_output)
1353 if (opt.convert_links && !opt.delete_after)
1354 convert_all_links ();
1357 for (i = 0; i < nurl; i++)
1361 return get_exit_status ();
1363 #endif /* TESTING */
1365 #if defined(SIGHUP) || defined(SIGUSR1)
1367 /* So the signal_name check doesn't blow when only one is available. */
1375 /* Hangup signal handler. When wget receives SIGHUP or SIGUSR1, it
1376 will proceed operation as usual, trying to write into a log file.
1377 If that is impossible, the output will be turned off. */
1380 redirect_output_signal (int sig)
1382 const char *signal_name = (sig == SIGHUP ? "SIGHUP" :
1383 (sig == SIGUSR1 ? "SIGUSR1" :
1385 log_request_redirect_output (signal_name);
1386 progress_schedule_redirect ();
1387 signal (sig, redirect_output_signal);