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 */
53 #include "progress.h" /* for progress_handle_sigwinch */
56 #include "http.h" /* for save_cookies */
66 #ifndef PATH_SEPARATOR
67 # define PATH_SEPARATOR '/'
72 /* defined in version.c */
73 extern char *version_string;
74 extern char *compilation_string;
75 extern char *system_getrc;
76 extern char *link_string;
77 /* defined in build_info.c */
78 extern char *compiled_features[];
79 /* Used for --version output in print_version */
80 #define MAX_CHARS_PER_LINE 72
83 #if defined(SIGHUP) || defined(SIGUSR1)
84 static void redirect_output_signal (int);
87 const char *exec_name;
89 /* Number of successfully downloaded URLs */
93 /* Initialize I18N/L10N. That amounts to invoking setlocale, and
94 setting up gettext's message catalog using bindtextdomain and
95 textdomain. Does nothing if NLS is disabled or missing. */
98 i18n_initialize (void)
100 /* ENABLE_NLS implies existence of functions invoked here. */
102 /* Set the current locale. */
103 setlocale (LC_ALL, "");
104 /* Set the text message domain. */
105 bindtextdomain ("wget", LOCALEDIR);
107 #endif /* ENABLE_NLS */
110 /* Definition of command-line options. */
112 static void print_help (void);
113 static void print_version (void);
118 # define IF_SSL(x) NULL
122 # define WHEN_DEBUG(x) x
124 # define WHEN_DEBUG(x) NULL
127 struct cmdline_option {
128 const char *long_name;
134 /* Non-standard options that have to be handled specially in
138 OPT__DONT_REMOVE_LISTING,
143 const void *data; /* for standard options */
144 int argtype; /* for non-standard options */
147 static struct cmdline_option option_data[] =
149 { "accept", 'A', OPT_VALUE, "accept", -1 },
150 { "append-output", 'a', OPT__APPEND_OUTPUT, NULL, required_argument },
151 { "ask-password", 0, OPT_BOOLEAN, "askpassword", -1 },
152 { "auth-no-challenge", 0, OPT_BOOLEAN, "authnochallenge", -1 },
153 { "background", 'b', OPT_BOOLEAN, "background", -1 },
154 { "backup-converted", 'K', OPT_BOOLEAN, "backupconverted", -1 },
155 { "backups", 0, OPT_BOOLEAN, "backups", -1 },
156 { "base", 'B', OPT_VALUE, "base", -1 },
157 { "bind-address", 0, OPT_VALUE, "bindaddress", -1 },
158 { IF_SSL ("ca-certificate"), 0, OPT_VALUE, "cacertificate", -1 },
159 { IF_SSL ("ca-directory"), 0, OPT_VALUE, "cadirectory", -1 },
160 { "cache", 0, OPT_BOOLEAN, "cache", -1 },
161 { IF_SSL ("certificate"), 0, OPT_VALUE, "certificate", -1 },
162 { IF_SSL ("certificate-type"), 0, OPT_VALUE, "certificatetype", -1 },
163 { IF_SSL ("check-certificate"), 0, OPT_BOOLEAN, "checkcertificate", -1 },
164 { "clobber", 0, OPT__CLOBBER, NULL, optional_argument },
165 { "connect-timeout", 0, OPT_VALUE, "connecttimeout", -1 },
166 { "continue", 'c', OPT_BOOLEAN, "continue", -1 },
167 { "convert-links", 'k', OPT_BOOLEAN, "convertlinks", -1 },
168 { "content-disposition", 0, OPT_BOOLEAN, "contentdisposition", -1 },
169 { "cookies", 0, OPT_BOOLEAN, "cookies", -1 },
170 { "cut-dirs", 0, OPT_VALUE, "cutdirs", -1 },
171 { WHEN_DEBUG ("debug"), 'd', OPT_BOOLEAN, "debug", -1 },
172 { "default-page", 0, OPT_VALUE, "defaultpage", -1 },
173 { "delete-after", 0, OPT_BOOLEAN, "deleteafter", -1 },
174 { "directories", 0, OPT_BOOLEAN, "dirstruct", -1 },
175 { "directory-prefix", 'P', OPT_VALUE, "dirprefix", -1 },
176 { "dns-cache", 0, OPT_BOOLEAN, "dnscache", -1 },
177 { "dns-timeout", 0, OPT_VALUE, "dnstimeout", -1 },
178 { "domains", 'D', OPT_VALUE, "domains", -1 },
179 { "dont-remove-listing", 0, OPT__DONT_REMOVE_LISTING, NULL, no_argument },
180 { "dot-style", 0, OPT_VALUE, "dotstyle", -1 }, /* deprecated */
181 { "egd-file", 0, OPT_VALUE, "egdfile", -1 },
182 { "exclude-directories", 'X', OPT_VALUE, "excludedirectories", -1 },
183 { "exclude-domains", 0, OPT_VALUE, "excludedomains", -1 },
184 { "execute", 'e', OPT__EXECUTE, NULL, required_argument },
185 { "follow-ftp", 0, OPT_BOOLEAN, "followftp", -1 },
186 { "follow-tags", 0, OPT_VALUE, "followtags", -1 },
187 { "force-directories", 'x', OPT_BOOLEAN, "dirstruct", -1 },
188 { "force-html", 'F', OPT_BOOLEAN, "forcehtml", -1 },
189 { "ftp-password", 0, OPT_VALUE, "ftppassword", -1 },
191 { "ftp-stmlf", 0, OPT_BOOLEAN, "ftpstmlf", -1 },
192 #endif /* def __VMS */
193 { "ftp-user", 0, OPT_VALUE, "ftpuser", -1 },
194 { "glob", 0, OPT_BOOLEAN, "glob", -1 },
195 { "header", 0, OPT_VALUE, "header", -1 },
196 { "help", 'h', OPT_FUNCALL, (void *)print_help, no_argument },
197 { "host-directories", 0, OPT_BOOLEAN, "addhostdir", -1 },
198 { "html-extension", 'E', OPT_BOOLEAN, "htmlextension", -1 },
199 { "htmlify", 0, OPT_BOOLEAN, "htmlify", -1 },
200 { "http-keep-alive", 0, OPT_BOOLEAN, "httpkeepalive", -1 },
201 { "http-passwd", 0, OPT_VALUE, "httppassword", -1 }, /* deprecated */
202 { "http-password", 0, OPT_VALUE, "httppassword", -1 },
203 { "http-user", 0, OPT_VALUE, "httpuser", -1 },
204 { "ignore-case", 0, OPT_BOOLEAN, "ignorecase", -1 },
205 { "ignore-length", 0, OPT_BOOLEAN, "ignorelength", -1 },
206 { "ignore-tags", 0, OPT_VALUE, "ignoretags", -1 },
207 { "include-directories", 'I', OPT_VALUE, "includedirectories", -1 },
209 { "inet4-only", '4', OPT_BOOLEAN, "inet4only", -1 },
210 { "inet6-only", '6', OPT_BOOLEAN, "inet6only", -1 },
212 { "input-file", 'i', OPT_VALUE, "input", -1 },
213 { "iri", 0, OPT_BOOLEAN, "iri", -1 },
214 { "keep-session-cookies", 0, OPT_BOOLEAN, "keepsessioncookies", -1 },
215 { "level", 'l', OPT_VALUE, "reclevel", -1 },
216 { "limit-rate", 0, OPT_VALUE, "limitrate", -1 },
217 { "load-cookies", 0, OPT_VALUE, "loadcookies", -1 },
218 { "local-encoding", 0, OPT_VALUE, "localencoding", -1 },
219 { "max-redirect", 0, OPT_VALUE, "maxredirect", -1 },
220 { "mirror", 'm', OPT_BOOLEAN, "mirror", -1 },
221 { "no", 'n', OPT__NO, NULL, required_argument },
222 { "no-clobber", 0, OPT_BOOLEAN, "noclobber", -1 },
223 { "no-parent", 0, OPT_BOOLEAN, "noparent", -1 },
224 { "output-document", 'O', OPT_VALUE, "outputdocument", -1 },
225 { "output-file", 'o', OPT_VALUE, "logfile", -1 },
226 { "page-requisites", 'p', OPT_BOOLEAN, "pagerequisites", -1 },
227 { "parent", 0, OPT__PARENT, NULL, optional_argument },
228 { "passive-ftp", 0, OPT_BOOLEAN, "passiveftp", -1 },
229 { "password", 0, OPT_VALUE, "password", -1 },
230 { "post-data", 0, OPT_VALUE, "postdata", -1 },
231 { "post-file", 0, OPT_VALUE, "postfile", -1 },
232 { "prefer-family", 0, OPT_VALUE, "preferfamily", -1 },
233 { "preserve-permissions", 0, OPT_BOOLEAN, "preservepermissions", -1 },
234 { IF_SSL ("private-key"), 0, OPT_VALUE, "privatekey", -1 },
235 { IF_SSL ("private-key-type"), 0, OPT_VALUE, "privatekeytype", -1 },
236 { "progress", 0, OPT_VALUE, "progress", -1 },
237 { "protocol-directories", 0, OPT_BOOLEAN, "protocoldirectories", -1 },
238 { "proxy", 0, OPT_BOOLEAN, "useproxy", -1 },
239 { "proxy__compat", 'Y', OPT_VALUE, "useproxy", -1 }, /* back-compatible */
240 { "proxy-passwd", 0, OPT_VALUE, "proxypassword", -1 }, /* deprecated */
241 { "proxy-password", 0, OPT_VALUE, "proxypassword", -1 },
242 { "proxy-user", 0, OPT_VALUE, "proxyuser", -1 },
243 { "quiet", 'q', OPT_BOOLEAN, "quiet", -1 },
244 { "quota", 'Q', OPT_VALUE, "quota", -1 },
245 { "random-file", 0, OPT_VALUE, "randomfile", -1 },
246 { "random-wait", 0, OPT_BOOLEAN, "randomwait", -1 },
247 { "read-timeout", 0, OPT_VALUE, "readtimeout", -1 },
248 { "recursive", 'r', OPT_BOOLEAN, "recursive", -1 },
249 { "referer", 0, OPT_VALUE, "referer", -1 },
250 { "reject", 'R', OPT_VALUE, "reject", -1 },
251 { "relative", 'L', OPT_BOOLEAN, "relativeonly", -1 },
252 { "remote-encoding", 0, OPT_VALUE, "remoteencoding", -1 },
253 { "remove-listing", 0, OPT_BOOLEAN, "removelisting", -1 },
254 { "restrict-file-names", 0, OPT_BOOLEAN, "restrictfilenames", -1 },
255 { "retr-symlinks", 0, OPT_BOOLEAN, "retrsymlinks", -1 },
256 { "retry-connrefused", 0, OPT_BOOLEAN, "retryconnrefused", -1 },
257 { "save-cookies", 0, OPT_VALUE, "savecookies", -1 },
258 { "save-headers", 0, OPT_BOOLEAN, "saveheaders", -1 },
259 { IF_SSL ("secure-protocol"), 0, OPT_VALUE, "secureprotocol", -1 },
260 { "server-response", 'S', OPT_BOOLEAN, "serverresponse", -1 },
261 { "span-hosts", 'H', OPT_BOOLEAN, "spanhosts", -1 },
262 { "spider", 0, OPT_BOOLEAN, "spider", -1 },
263 { "strict-comments", 0, OPT_BOOLEAN, "strictcomments", -1 },
264 { "timeout", 'T', OPT_VALUE, "timeout", -1 },
265 { "timestamping", 'N', OPT_BOOLEAN, "timestamping", -1 },
266 { "tries", 't', OPT_VALUE, "tries", -1 },
267 { "user", 0, OPT_VALUE, "user", -1 },
268 { "user-agent", 'U', OPT_VALUE, "useragent", -1 },
269 { "verbose", 'v', OPT_BOOLEAN, "verbose", -1 },
270 { "verbose", 0, OPT_BOOLEAN, "verbose", -1 },
271 { "version", 'V', OPT_FUNCALL, (void *) print_version, no_argument },
272 { "wait", 'w', OPT_VALUE, "wait", -1 },
273 { "waitretry", 0, OPT_VALUE, "waitretry", -1 },
275 { "wdebug", 0, OPT_BOOLEAN, "wdebug", -1 },
282 /* Return a string that contains S with "no-" prepended. The string
283 is NUL-terminated and allocated off static storage at Wget
287 no_prefix (const char *s)
289 static char buffer[1024];
290 static char *p = buffer;
293 int size = 3 + strlen (s) + 1; /* "no-STRING\0" */
294 if (p + size >= buffer + sizeof (buffer))
297 cp[0] = 'n', cp[1] = 'o', cp[2] = '-';
303 /* The arguments that that main passes to getopt_long. */
304 static struct option long_options[2 * countof (option_data) + 1];
305 static char short_options[128];
307 /* Mapping between short option chars and option_data indices. */
308 static unsigned char optmap[96];
310 /* Marker for `--no-FOO' values in long_options. */
311 #define BOOLEAN_NEG_MARKER 1024
313 /* Initialize the long_options array used by getopt_long from the data
319 char *p = short_options;
321 for (i = 0; i < countof (option_data); i++)
323 struct cmdline_option *opt = &option_data[i];
324 struct option *longopt;
327 /* The option is disabled. */
330 longopt = &long_options[o++];
331 longopt->name = opt->long_name;
335 *p++ = opt->short_name;
336 optmap[opt->short_name - 32] = longopt - long_options;
341 longopt->has_arg = required_argument;
346 /* Specify an optional argument for long options, so that
347 --option=off works the same as --no-option, for
348 compatibility with pre-1.10 Wget. However, don't specify
349 optional arguments short-option booleans because they
350 prevent combining of short options. */
351 longopt->has_arg = optional_argument;
352 /* For Boolean options, add the "--no-FOO" variant, which is
353 identical to "--foo", except it has opposite meaning and
354 it doesn't allow an argument. */
355 longopt = &long_options[o++];
356 longopt->name = no_prefix (opt->long_name);
357 longopt->has_arg = no_argument;
358 /* Mask the value so we'll be able to recognize that we're
359 dealing with the false value. */
360 longopt->val = i | BOOLEAN_NEG_MARKER;
363 assert (opt->argtype != -1);
364 longopt->has_arg = opt->argtype;
367 if (longopt->has_arg == required_argument)
369 /* Don't handle optional_argument */
373 /* Terminate short_options. */
375 /* No need for xzero(long_options[o]) because its storage is static
376 and it will be zeroed by default. */
377 assert (o <= countof (long_options));
380 /* Print the usage message. */
384 printf (_("Usage: %s [OPTION]... [URL]...\n"), exec_name);
387 /* Print the help message, describing all the available options. If
388 you add an option, be sure to update this list. */
392 /* We split the help text this way to ease translation of individual
394 static const char *help[] = {
397 Mandatory arguments to long options are mandatory for short options too.\n\n"),
401 -V, --version display the version of Wget and exit.\n"),
403 -h, --help print this help.\n"),
405 -b, --background go to background after startup.\n"),
407 -e, --execute=COMMAND execute a `.wgetrc'-style command.\n"),
411 Logging and input file:\n"),
413 -o, --output-file=FILE log messages to FILE.\n"),
415 -a, --append-output=FILE append messages to FILE.\n"),
418 -d, --debug print lots of debugging information.\n"),
422 --wdebug print Watt-32 debug output.\n"),
425 -q, --quiet quiet (no output).\n"),
427 -v, --verbose be verbose (this is the default).\n"),
429 -nv, --no-verbose turn off verboseness, without being quiet.\n"),
431 -i, --input-file=FILE download URLs found in local or external FILE.\n"),
433 -F, --force-html treat input file as HTML.\n"),
435 -B, --base=URL resolves HTML input-file links (-i -F)\n\
436 relative to URL,\n"),
442 -t, --tries=NUMBER set number of retries to NUMBER (0 unlimits).\n"),
444 --retry-connrefused retry even if connection is refused.\n"),
446 -O, --output-document=FILE write documents to FILE.\n"),
448 -nc, --no-clobber skip downloads that would download to\n\
451 -c, --continue resume getting a partially-downloaded file.\n"),
453 --progress=TYPE select progress gauge type.\n"),
455 -N, --timestamping don't re-retrieve files unless newer than\n\
458 -S, --server-response print server response.\n"),
460 --spider don't download anything.\n"),
462 -T, --timeout=SECONDS set all timeout values to SECONDS.\n"),
464 --dns-timeout=SECS set the DNS lookup timeout to SECS.\n"),
466 --connect-timeout=SECS set the connect timeout to SECS.\n"),
468 --read-timeout=SECS set the read timeout to SECS.\n"),
470 -w, --wait=SECONDS wait SECONDS between retrievals.\n"),
472 --waitretry=SECONDS wait 1..SECONDS between retries of a retrieval.\n"),
474 --random-wait wait from 0...2*WAIT secs between retrievals.\n"),
476 --no-proxy explicitly turn off proxy.\n"),
478 -Q, --quota=NUMBER set retrieval quota to NUMBER.\n"),
480 --bind-address=ADDRESS bind to ADDRESS (hostname or IP) on local host.\n"),
482 --limit-rate=RATE limit download rate to RATE.\n"),
484 --no-dns-cache disable caching DNS lookups.\n"),
486 --restrict-file-names=OS restrict chars in file names to ones OS allows.\n"),
488 --ignore-case ignore case when matching files/directories.\n"),
491 -4, --inet4-only connect only to IPv4 addresses.\n"),
493 -6, --inet6-only connect only to IPv6 addresses.\n"),
495 --prefer-family=FAMILY connect first to addresses of specified family,\n\
496 one of IPv6, IPv4, or none.\n"),
499 --user=USER set both ftp and http user to USER.\n"),
501 --password=PASS set both ftp and http password to PASS.\n"),
503 --ask-password prompt for passwords.\n"),
505 --no-iri turn off IRI support.\n"),
507 --local-encoding=ENC use ENC as the local encoding for IRIs.\n"),
509 --remote-encoding=ENC use ENC as the default remote encoding.\n"),
515 -nd, --no-directories don't create directories.\n"),
517 -x, --force-directories force creation of directories.\n"),
519 -nH, --no-host-directories don't create host directories.\n"),
521 --protocol-directories use protocol name in directories.\n"),
523 -P, --directory-prefix=PREFIX save files to PREFIX/...\n"),
525 --cut-dirs=NUMBER ignore NUMBER remote directory components.\n"),
531 --http-user=USER set http user to USER.\n"),
533 --http-password=PASS set http password to PASS.\n"),
535 --no-cache disallow server-cached data.\n"),
537 --default-page=NAME Change the default page name (normally\n\
538 this is `index.html'.).\n"),
540 -E, --html-extension save HTML documents with `.html' extension.\n"),
542 --ignore-length ignore `Content-Length' header field.\n"),
544 --header=STRING insert STRING among the headers.\n"),
546 --max-redirect maximum redirections allowed per page.\n"),
548 --proxy-user=USER set USER as proxy username.\n"),
550 --proxy-password=PASS set PASS as proxy password.\n"),
552 --referer=URL include `Referer: URL' header in HTTP request.\n"),
554 --save-headers save the HTTP headers to file.\n"),
556 -U, --user-agent=AGENT identify as AGENT instead of Wget/VERSION.\n"),
558 --no-http-keep-alive disable HTTP keep-alive (persistent connections).\n"),
560 --no-cookies don't use cookies.\n"),
562 --load-cookies=FILE load cookies from FILE before session.\n"),
564 --save-cookies=FILE save cookies to FILE after session.\n"),
566 --keep-session-cookies load and save session (non-permanent) cookies.\n"),
568 --post-data=STRING use the POST method; send STRING as the data.\n"),
570 --post-file=FILE use the POST method; send contents of FILE.\n"),
572 --content-disposition honor the Content-Disposition header when\n\
573 choosing local file names (EXPERIMENTAL).\n"),
575 --auth-no-challenge Send Basic HTTP authentication information\n\
576 without first waiting for the server's\n\
582 HTTPS (SSL/TLS) options:\n"),
584 --secure-protocol=PR choose secure protocol, one of auto, SSLv2,\n\
585 SSLv3, and TLSv1.\n"),
587 --no-check-certificate don't validate the server's certificate.\n"),
589 --certificate=FILE client certificate file.\n"),
591 --certificate-type=TYPE client certificate type, PEM or DER.\n"),
593 --private-key=FILE private key file.\n"),
595 --private-key-type=TYPE private key type, PEM or DER.\n"),
597 --ca-certificate=FILE file with the bundle of CA's.\n"),
599 --ca-directory=DIR directory where hash list of CA's is stored.\n"),
601 --random-file=FILE file with random data for seeding the SSL PRNG.\n"),
603 --egd-file=FILE file naming the EGD socket with random data.\n"),
605 #endif /* HAVE_SSL */
611 --ftp-stmlf Use Stream_LF format for all binary FTP files.\n"),
612 #endif /* def __VMS */
614 --ftp-user=USER set ftp user to USER.\n"),
616 --ftp-password=PASS set ftp password to PASS.\n"),
618 --no-remove-listing don't remove `.listing' files.\n"),
620 --no-glob turn off FTP file name globbing.\n"),
622 --no-passive-ftp disable the \"passive\" transfer mode.\n"),
624 --retr-symlinks when recursing, get linked-to files (not dir).\n"),
628 Recursive download:\n"),
630 -r, --recursive specify recursive download.\n"),
632 -l, --level=NUMBER maximum recursion depth (inf or 0 for infinite).\n"),
634 --delete-after delete files locally after downloading them.\n"),
636 -k, --convert-links make links in downloaded HTML or CSS point to\n\
640 -K, --backup-converted before converting file X, back up as X_orig.\n"),
641 #else /* def __VMS */
643 -K, --backup-converted before converting file X, back up as X.orig.\n"),
644 #endif /* def __VMS [else] */
646 -m, --mirror shortcut for -N -r -l inf --no-remove-listing.\n"),
648 -p, --page-requisites get all images, etc. needed to display HTML page.\n"),
650 --strict-comments turn on strict (SGML) handling of HTML comments.\n"),
654 Recursive accept/reject:\n"),
656 -A, --accept=LIST comma-separated list of accepted extensions.\n"),
658 -R, --reject=LIST comma-separated list of rejected extensions.\n"),
660 -D, --domains=LIST comma-separated list of accepted domains.\n"),
662 --exclude-domains=LIST comma-separated list of rejected domains.\n"),
664 --follow-ftp follow FTP links from HTML documents.\n"),
666 --follow-tags=LIST comma-separated list of followed HTML tags.\n"),
668 --ignore-tags=LIST comma-separated list of ignored HTML tags.\n"),
670 -H, --span-hosts go to foreign hosts when recursive.\n"),
672 -L, --relative follow relative links only.\n"),
674 -I, --include-directories=LIST list of allowed directories.\n"),
676 -X, --exclude-directories=LIST list of excluded directories.\n"),
678 -np, --no-parent don't ascend to the parent directory.\n"),
681 N_("Mail bug reports and suggestions to <bug-wget@gnu.org>.\n")
686 printf (_("GNU Wget %s, a non-interactive network retriever.\n"),
690 for (i = 0; i < countof (help); i++)
691 fputs (_(help[i]), stdout);
696 /* Return a human-readable printed representation of INTERVAL,
697 measured in seconds. */
700 secs_to_human_time (double interval)
703 int secs = (int) (interval + 0.5);
704 int hours, mins, days;
706 days = secs / 86400, secs %= 86400;
707 hours = secs / 3600, secs %= 3600;
708 mins = secs / 60, secs %= 60;
711 sprintf (buf, "%dd %dh %dm %ds", days, hours, mins, secs);
713 sprintf (buf, "%dh %dm %ds", hours, mins, secs);
715 sprintf (buf, "%dm %ds", mins, secs);
717 sprintf (buf, "%ss", print_decimal (interval));
723 prompt_for_password (void)
726 printf (_("Password for user %s: "), quote (opt.user));
728 printf (_("Password: "));
732 /* Function that prints the line argument while limiting it
733 to at most line_length. prefix is printed on the first line
734 and an appropriate number of spaces are added on subsequent
737 format_and_print_line (const char *prefix, const char *line,
741 char *line_dup, *token;
743 assert (prefix != NULL);
744 assert (line != NULL);
746 line_dup = xstrdup (line);
748 if (line_length <= 0)
749 line_length = MAX_CHARS_PER_LINE - TABULATION;
751 printf ("%s", prefix);
752 remaining_chars = line_length;
753 /* We break on spaces. */
754 token = strtok (line_dup, " ");
755 while (token != NULL)
757 /* If however a token is much larger than the maximum
758 line length, all bets are off and we simply print the
759 token on the next line. */
760 if (remaining_chars <= strlen (token))
762 printf ("\n%*c", TABULATION, ' ');
763 remaining_chars = line_length - TABULATION;
765 printf ("%s ", token);
766 remaining_chars -= strlen (token) + 1; /* account for " " */
767 token = strtok (NULL, " ");
778 const char *wgetrc_title = _("Wgetrc: ");
779 const char *locale_title = _("Locale: ");
780 const char *compile_title = _("Compile: ");
781 const char *link_title = _("Link: ");
783 char *env_wgetrc, *user_wgetrc;
787 printf (_("GNU Wget %s built on VMS %s %s.\n\n"),
788 version_string, vms_arch(), vms_vers());
789 #else /* def __VMS */
790 printf (_("GNU Wget %s built on %s.\n\n"), version_string, OS_TYPE);
791 #endif /* def __VMS */
792 /* compiled_features is a char*[]. We limit the characters per
793 line to MAX_CHARS_PER_LINE and prefix each line with a constant
794 number of spaces for proper alignment. */
795 for (i = 0; compiled_features[i] != NULL; )
797 int line_length = MAX_CHARS_PER_LINE;
798 while ((line_length > 0) && (compiled_features[i] != NULL))
800 printf ("%s ", compiled_features[i]);
801 line_length -= strlen (compiled_features[i]) + 2;
807 /* Handle the case when $WGETRC is unset and $HOME/.wgetrc is
809 printf ("%s\n", wgetrc_title);
810 env_wgetrc = wgetrc_env_file_name ();
811 if (env_wgetrc && *env_wgetrc)
813 printf (_(" %s (env)\n"), env_wgetrc);
816 user_wgetrc = wgetrc_user_file_name ();
819 printf (_(" %s (user)\n"), user_wgetrc);
823 printf (_(" %s (system)\n"), SYSTEM_WGETRC);
826 format_and_print_line (locale_title,
830 format_and_print_line (compile_title,
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. */
874 exec_name = strrchr (argv[0], PATH_SEPARATOR);
881 /* Drop extension (typically .EXE) from executable filename. */
882 windows_main ((char **) &exec_name);
885 /* Set option defaults; read the system wgetrc and ~/.wgetrc. */
890 while ((ret = getopt_long (argc, argv,
891 short_options, long_options, &longindex)) != -1)
894 struct cmdline_option *opt;
896 /* If LONGINDEX is unchanged, it means RET is referring a short
904 printf (_("Try `%s --help' for more options.\n"), exec_name);
907 /* Find the short option character in the mapping. */
908 longindex = optmap[ret - 32];
910 val = long_options[longindex].val;
912 /* Use the retrieved value to locate the option in the
913 option_data array, and to see if we're dealing with the
914 negated "--no-FOO" variant of the boolean option "--foo". */
915 opt = &option_data[val & ~BOOLEAN_NEG_MARKER];
919 setoptval (opt->data, optarg, opt->long_name);
923 /* The user has specified a value -- use it. */
924 setoptval (opt->data, optarg, opt->long_name);
927 /* NEG is true for `--no-FOO' style boolean options. */
928 bool neg = !!(val & BOOLEAN_NEG_MARKER);
929 setoptval (opt->data, neg ? "0" : "1", opt->long_name);
934 void (*func) (void) = (void (*) (void)) opt->data;
938 case OPT__APPEND_OUTPUT:
939 setoptval ("logfile", optarg, opt->long_name);
940 append_to_log = true;
943 run_command (optarg);
947 /* We support real --no-FOO flags now, but keep these
948 short options for convenience and backward
951 for (p = optarg; *p; p++)
955 setoptval ("verbose", "0", opt->long_name);
958 setoptval ("addhostdir", "0", opt->long_name);
961 setoptval ("dirstruct", "0", opt->long_name);
964 setoptval ("noclobber", "1", opt->long_name);
967 setoptval ("noparent", "1", opt->long_name);
970 printf (_("%s: illegal option -- `-n%c'\n"), exec_name, *p);
973 printf (_("Try `%s --help' for more options.\n"), exec_name);
981 /* The wgetrc commands are named noparent and noclobber,
982 so we must revert the meaning of the cmdline options
983 before passing the value to setoptval. */
986 flag = (*optarg == '1' || c_tolower (*optarg) == 'y'
987 || (c_tolower (optarg[0]) == 'o'
988 && c_tolower (optarg[1]) == 'n'));
989 setoptval (opt->type == OPT__PARENT ? "noparent" : "noclobber",
990 flag ? "0" : "1", opt->long_name);
993 case OPT__DONT_REMOVE_LISTING:
994 setoptval ("removelisting", "0", opt->long_name);
1001 nurl = argc - optind;
1003 /* All user options have now been processed, so it's now safe to do
1004 interoption dependency checks. */
1006 if (opt.reclevel == 0)
1007 opt.reclevel = INFINITE_RECURSION; /* see recur.h for commentary */
1009 if (opt.spider || opt.delete_after)
1010 opt.no_dirstruct = true;
1012 if (opt.page_requisites && !opt.recursive)
1014 /* Don't set opt.recursive here because it would confuse the FTP
1015 code. Instead, call retrieve_tree below when either
1016 page_requisites or recursive is requested. */
1018 if (!opt.no_dirstruct)
1019 opt.dirstruct = 1; /* normally handled by cmd_spec_recursive() */
1022 if (opt.verbose == -1)
1023 opt.verbose = !opt.quiet;
1025 /* Sanity checks. */
1026 if (opt.verbose && opt.quiet)
1028 printf (_("Can't be verbose and quiet at the same time.\n"));
1032 if (opt.timestamping && opt.noclobber)
1035 Can't timestamp and not clobber old files at the same time.\n"));
1040 if (opt.ipv4_only && opt.ipv6_only)
1042 printf (_("Cannot specify both --inet4-only and --inet6-only.\n"));
1047 if (opt.output_document)
1049 if (opt.convert_links
1050 && (nurl > 1 || opt.page_requisites || opt.recursive))
1053 Cannot specify both -k and -O if multiple URLs are given, or in combination\n\
1054 with -p or -r. See the manual for details.\n\n"), stdout);
1058 if (opt.page_requisites
1061 logprintf (LOG_NOTQUIET, "%s", _("\
1062 WARNING: combining -O with -r or -p will mean that all downloaded content\n\
1063 will be placed in the single file you specified.\n\n"));
1065 if (opt.timestamping)
1067 logprintf (LOG_NOTQUIET, "%s", _("\
1068 WARNING: timestamping does nothing in combination with -O. See the manual\n\
1069 for details.\n\n"));
1070 opt.timestamping = false;
1072 if (opt.noclobber && file_exists_p(opt.output_document))
1074 /* Check if output file exists; if it does, exit. */
1075 logprintf (LOG_VERBOSE, _("File `%s' already there; not retrieving.\n"), opt.output_document);
1080 if (opt.ask_passwd && opt.passwd)
1082 printf (_("Cannot specify both --ask-password and --password.\n"));
1087 if (!nurl && !opt.input_filename)
1089 /* No URL specified. */
1090 printf (_("%s: missing URL\n"), exec_name);
1093 /* #### Something nicer should be printed here -- similar to the
1094 pre-1.5 `--help' page. */
1095 printf (_("Try `%s --help' for more options.\n"), exec_name);
1102 if (opt.locale && !check_encoding_name (opt.locale))
1106 opt.locale = find_locale ();
1108 if (opt.encoding_remote && !check_encoding_name (opt.encoding_remote))
1109 opt.encoding_remote = NULL;
1112 if (opt.enable_iri || opt.locale || opt.encoding_remote)
1114 /* sXXXav : be more specific... */
1115 printf(_("This version does not have support for IRIs\n"));
1122 opt.passwd = prompt_for_password ();
1124 if (opt.passwd == NULL || opt.passwd[0] == '\0')
1134 fork_to_background ();
1137 /* Initialize progress. Have to do this after the options are
1138 processed so we know where the log file is. */
1140 set_progress_implementation (opt.progress_type);
1142 /* Fill in the arguments. */
1143 url = alloca_array (char *, nurl + 1);
1144 for (i = 0; i < nurl; i++, optind++)
1146 char *rewritten = rewrite_shorthand_url (argv[optind]);
1150 url[i] = xstrdup (argv[optind]);
1154 /* Initialize logging. */
1155 log_init (opt.lfilename, append_to_log);
1157 DEBUGP (("DEBUG output created by Wget %s on %s.\n\n",
1158 version_string, OS_TYPE));
1160 /* Open the output filename if necessary. */
1163 Note that having the output_stream ("-O") file opened here for an FTP
1164 URL rather than in getftp() (ftp.c) (and the http equivalent) rather
1165 limits the ability in VMS to open the file differently for ASCII
1166 versus binary FTP there. (Of course, doing it here allows a open
1167 failure to be detected immediately, without first connecting to the
1170 if (opt.output_document)
1172 if (HYPHENP (opt.output_document))
1176 result = freopen ("CONOUT$", "wb", stdout);
1179 logputs (LOG_NOTQUIET, _("\
1180 WARNING: Can't reopen standard output in binary mode;\n\
1181 downloaded file may contain inappropriate line endings.\n"));
1184 output_stream = stdout;
1191 /* Common fopen() optional arguments:
1192 sequential access only, access callback function.
1194 # define FOPEN_OPT_ARGS , "fop=sqo", "acc", acc_cb, &open_id
1196 #else /* def __VMS */
1197 # define FOPEN_OPT_ARGS
1198 #endif /* def __VMS [else] */
1200 output_stream = fopen (opt.output_document,
1201 opt.always_rest ? "ab" : "wb"
1203 if (output_stream == NULL)
1205 perror (opt.output_document);
1208 if (fstat (fileno (output_stream), &st) == 0 && S_ISREG (st.st_mode))
1209 output_stream_regular = true;
1214 /* Set global ODS5 flag according to the specified destination (if
1215 any), otherwise according to the current default device.
1217 if (output_stream == NULL)
1219 set_ods5_dest( "SYS$DISK");
1221 else if (output_stream != stdout)
1223 set_ods5_dest( opt.output_document);
1225 #endif /* def __VMS */
1232 /* Setup the signal handler to redirect output when hangup is
1234 if (signal(SIGHUP, SIG_IGN) != SIG_IGN)
1235 signal(SIGHUP, redirect_output_signal);
1237 /* ...and do the same for SIGUSR1. */
1239 signal (SIGUSR1, redirect_output_signal);
1242 /* Writing to a closed socket normally signals SIGPIPE, and the
1243 process exits. What we want is to ignore SIGPIPE and just check
1244 for the return value of write(). */
1245 signal (SIGPIPE, SIG_IGN);
1248 signal (SIGWINCH, progress_handle_sigwinch);
1251 status = RETROK; /* initialize it, just-in-case */
1252 /* Retrieve the URLs from argument list. */
1253 for (t = url; *t; t++)
1255 char *filename = NULL, *redirected_URL = NULL;
1257 /* Need to do a new struct iri every time, because
1258 * retrieve_url may modify it in some circumstances,
1260 struct iri *iri = iri_new ();
1261 struct url *url_parsed;
1263 set_uri_encoding (iri, opt.locale, true);
1264 url_parsed = url_parse (*t, &url_err, iri, true);
1268 char *error = url_error (*t, url_err);
1269 logprintf (LOG_NOTQUIET, "%s: %s.\n",*t, error);
1275 if ((opt.recursive || opt.page_requisites)
1276 && (url_scheme (*t) != SCHEME_FTP || url_uses_proxy (url_parsed)))
1278 int old_follow_ftp = opt.follow_ftp;
1280 /* Turn opt.follow_ftp on in case of recursive FTP retrieval */
1281 if (url_scheme (*t) == SCHEME_FTP)
1284 status = retrieve_tree (url_parsed, NULL);
1286 opt.follow_ftp = old_follow_ftp;
1290 status = retrieve_url (url_parsed, *t, &filename, &redirected_URL,
1291 NULL, &dt, opt.recursive, iri);
1294 if (opt.delete_after && file_exists_p(filename))
1296 DEBUGP (("Removing file due to --delete-after in main():\n"));
1297 logprintf (LOG_VERBOSE, _("Removing %s.\n"), filename);
1298 if (unlink (filename))
1299 logprintf (LOG_NOTQUIET, "unlink: %s\n", strerror (errno));
1301 xfree_null (redirected_URL);
1302 xfree_null (filename);
1303 url_free (url_parsed);
1308 /* And then from the input file, if any. */
1309 if (opt.input_filename)
1312 status = retrieve_from_file (opt.input_filename, opt.force_html, &count);
1314 logprintf (LOG_NOTQUIET, _("No URLs found in %s.\n"),
1315 opt.input_filename);
1318 /* Print broken links. */
1319 if (opt.recursive && opt.spider)
1321 print_broken_links();
1324 /* Print the downloaded sum. */
1325 if ((opt.recursive || opt.page_requisites
1327 || (opt.input_filename && total_downloaded_bytes != 0))
1329 total_downloaded_bytes != 0)
1331 logprintf (LOG_NOTQUIET,
1332 _("FINISHED --%s--\nDownloaded: %d files, %s in %s (%s)\n"),
1333 datetime_str (time (NULL)),
1335 human_readable (total_downloaded_bytes),
1336 secs_to_human_time (total_download_time),
1337 retr_rate (total_downloaded_bytes, total_download_time));
1338 /* Print quota warning, if exceeded. */
1339 if (opt.quota && total_downloaded_bytes > opt.quota)
1340 logprintf (LOG_NOTQUIET,
1341 _("Download quota of %s EXCEEDED!\n"),
1342 human_readable (opt.quota));
1345 if (opt.cookies_output)
1348 if (opt.convert_links && !opt.delete_after)
1349 convert_all_links ();
1352 for (i = 0; i < nurl; i++)
1356 if (status == RETROK)
1361 #endif /* TESTING */
1363 #if defined(SIGHUP) || defined(SIGUSR1)
1365 /* So the signal_name check doesn't blow when only one is available. */
1373 /* Hangup signal handler. When wget receives SIGHUP or SIGUSR1, it
1374 will proceed operation as usual, trying to write into a log file.
1375 If that is impossible, the output will be turned off. */
1378 redirect_output_signal (int sig)
1380 const char *signal_name = (sig == SIGHUP ? "SIGHUP" :
1381 (sig == SIGUSR1 ? "SIGUSR1" :
1383 log_request_redirect_output (signal_name);
1384 progress_schedule_redirect ();
1385 signal (sig, redirect_output_signal);