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 { "adjust-extension", 'E', OPT_BOOLEAN, "adjustextension", -1 },
151 { "append-output", 'a', OPT__APPEND_OUTPUT, NULL, required_argument },
152 { "ask-password", 0, OPT_BOOLEAN, "askpassword", -1 },
153 { "auth-no-challenge", 0, OPT_BOOLEAN, "authnochallenge", -1 },
154 { "background", 'b', OPT_BOOLEAN, "background", -1 },
155 { "backup-converted", 'K', OPT_BOOLEAN, "backupconverted", -1 },
156 { "backups", 0, OPT_BOOLEAN, "backups", -1 },
157 { "base", 'B', OPT_VALUE, "base", -1 },
158 { "bind-address", 0, OPT_VALUE, "bindaddress", -1 },
159 { IF_SSL ("ca-certificate"), 0, OPT_VALUE, "cacertificate", -1 },
160 { IF_SSL ("ca-directory"), 0, OPT_VALUE, "cadirectory", -1 },
161 { "cache", 0, OPT_BOOLEAN, "cache", -1 },
162 { IF_SSL ("certificate"), 0, OPT_VALUE, "certificate", -1 },
163 { IF_SSL ("certificate-type"), 0, OPT_VALUE, "certificatetype", -1 },
164 { IF_SSL ("check-certificate"), 0, OPT_BOOLEAN, "checkcertificate", -1 },
165 { "clobber", 0, OPT__CLOBBER, NULL, optional_argument },
166 { "connect-timeout", 0, OPT_VALUE, "connecttimeout", -1 },
167 { "continue", 'c', OPT_BOOLEAN, "continue", -1 },
168 { "convert-links", 'k', OPT_BOOLEAN, "convertlinks", -1 },
169 { "content-disposition", 0, OPT_BOOLEAN, "contentdisposition", -1 },
170 { "cookies", 0, OPT_BOOLEAN, "cookies", -1 },
171 { "cut-dirs", 0, OPT_VALUE, "cutdirs", -1 },
172 { WHEN_DEBUG ("debug"), 'd', OPT_BOOLEAN, "debug", -1 },
173 { "default-page", 0, OPT_VALUE, "defaultpage", -1 },
174 { "delete-after", 0, OPT_BOOLEAN, "deleteafter", -1 },
175 { "directories", 0, OPT_BOOLEAN, "dirstruct", -1 },
176 { "directory-prefix", 'P', OPT_VALUE, "dirprefix", -1 },
177 { "dns-cache", 0, OPT_BOOLEAN, "dnscache", -1 },
178 { "dns-timeout", 0, OPT_VALUE, "dnstimeout", -1 },
179 { "domains", 'D', OPT_VALUE, "domains", -1 },
180 { "dont-remove-listing", 0, OPT__DONT_REMOVE_LISTING, NULL, no_argument },
181 { "dot-style", 0, OPT_VALUE, "dotstyle", -1 }, /* deprecated */
182 { "egd-file", 0, OPT_VALUE, "egdfile", -1 },
183 { "exclude-directories", 'X', OPT_VALUE, "excludedirectories", -1 },
184 { "exclude-domains", 0, OPT_VALUE, "excludedomains", -1 },
185 { "execute", 'e', OPT__EXECUTE, NULL, required_argument },
186 { "follow-ftp", 0, OPT_BOOLEAN, "followftp", -1 },
187 { "follow-tags", 0, OPT_VALUE, "followtags", -1 },
188 { "force-directories", 'x', OPT_BOOLEAN, "dirstruct", -1 },
189 { "force-html", 'F', OPT_BOOLEAN, "forcehtml", -1 },
190 { "ftp-password", 0, OPT_VALUE, "ftppassword", -1 },
192 { "ftp-stmlf", 0, OPT_BOOLEAN, "ftpstmlf", -1 },
193 #endif /* def __VMS */
194 { "ftp-user", 0, OPT_VALUE, "ftpuser", -1 },
195 { "glob", 0, OPT_BOOLEAN, "glob", -1 },
196 { "header", 0, OPT_VALUE, "header", -1 },
197 { "help", 'h', OPT_FUNCALL, (void *)print_help, no_argument },
198 { "host-directories", 0, OPT_BOOLEAN, "addhostdir", -1 },
199 { "html-extension", 'E', OPT_BOOLEAN, "adjustextension", -1 },
200 { "htmlify", 0, OPT_BOOLEAN, "htmlify", -1 },
201 { "http-keep-alive", 0, OPT_BOOLEAN, "httpkeepalive", -1 },
202 { "http-passwd", 0, OPT_VALUE, "httppassword", -1 }, /* deprecated */
203 { "http-password", 0, OPT_VALUE, "httppassword", -1 },
204 { "http-user", 0, OPT_VALUE, "httpuser", -1 },
205 { "ignore-case", 0, OPT_BOOLEAN, "ignorecase", -1 },
206 { "ignore-length", 0, OPT_BOOLEAN, "ignorelength", -1 },
207 { "ignore-tags", 0, OPT_VALUE, "ignoretags", -1 },
208 { "include-directories", 'I', OPT_VALUE, "includedirectories", -1 },
210 { "inet4-only", '4', OPT_BOOLEAN, "inet4only", -1 },
211 { "inet6-only", '6', OPT_BOOLEAN, "inet6only", -1 },
213 { "input-file", 'i', OPT_VALUE, "input", -1 },
214 { "iri", 0, OPT_BOOLEAN, "iri", -1 },
215 { "keep-session-cookies", 0, OPT_BOOLEAN, "keepsessioncookies", -1 },
216 { "level", 'l', OPT_VALUE, "reclevel", -1 },
217 { "limit-rate", 0, OPT_VALUE, "limitrate", -1 },
218 { "load-cookies", 0, OPT_VALUE, "loadcookies", -1 },
219 { "local-encoding", 0, OPT_VALUE, "localencoding", -1 },
220 { "max-redirect", 0, OPT_VALUE, "maxredirect", -1 },
221 { "mirror", 'm', OPT_BOOLEAN, "mirror", -1 },
222 { "no", 'n', OPT__NO, NULL, required_argument },
223 { "no-clobber", 0, OPT_BOOLEAN, "noclobber", -1 },
224 { "no-parent", 0, OPT_BOOLEAN, "noparent", -1 },
225 { "output-document", 'O', OPT_VALUE, "outputdocument", -1 },
226 { "output-file", 'o', OPT_VALUE, "logfile", -1 },
227 { "page-requisites", 'p', OPT_BOOLEAN, "pagerequisites", -1 },
228 { "parent", 0, OPT__PARENT, NULL, optional_argument },
229 { "passive-ftp", 0, OPT_BOOLEAN, "passiveftp", -1 },
230 { "password", 0, OPT_VALUE, "password", -1 },
231 { "post-data", 0, OPT_VALUE, "postdata", -1 },
232 { "post-file", 0, OPT_VALUE, "postfile", -1 },
233 { "prefer-family", 0, OPT_VALUE, "preferfamily", -1 },
234 { "preserve-permissions", 0, OPT_BOOLEAN, "preservepermissions", -1 },
235 { IF_SSL ("private-key"), 0, OPT_VALUE, "privatekey", -1 },
236 { IF_SSL ("private-key-type"), 0, OPT_VALUE, "privatekeytype", -1 },
237 { "progress", 0, OPT_VALUE, "progress", -1 },
238 { "protocol-directories", 0, OPT_BOOLEAN, "protocoldirectories", -1 },
239 { "proxy", 0, OPT_BOOLEAN, "useproxy", -1 },
240 { "proxy__compat", 'Y', OPT_VALUE, "useproxy", -1 }, /* back-compatible */
241 { "proxy-passwd", 0, OPT_VALUE, "proxypassword", -1 }, /* deprecated */
242 { "proxy-password", 0, OPT_VALUE, "proxypassword", -1 },
243 { "proxy-user", 0, OPT_VALUE, "proxyuser", -1 },
244 { "quiet", 'q', OPT_BOOLEAN, "quiet", -1 },
245 { "quota", 'Q', OPT_VALUE, "quota", -1 },
246 { "random-file", 0, OPT_VALUE, "randomfile", -1 },
247 { "random-wait", 0, OPT_BOOLEAN, "randomwait", -1 },
248 { "read-timeout", 0, OPT_VALUE, "readtimeout", -1 },
249 { "recursive", 'r', OPT_BOOLEAN, "recursive", -1 },
250 { "referer", 0, OPT_VALUE, "referer", -1 },
251 { "reject", 'R', OPT_VALUE, "reject", -1 },
252 { "relative", 'L', OPT_BOOLEAN, "relativeonly", -1 },
253 { "remote-encoding", 0, OPT_VALUE, "remoteencoding", -1 },
254 { "remove-listing", 0, OPT_BOOLEAN, "removelisting", -1 },
255 { "restrict-file-names", 0, OPT_BOOLEAN, "restrictfilenames", -1 },
256 { "retr-symlinks", 0, OPT_BOOLEAN, "retrsymlinks", -1 },
257 { "retry-connrefused", 0, OPT_BOOLEAN, "retryconnrefused", -1 },
258 { "save-cookies", 0, OPT_VALUE, "savecookies", -1 },
259 { "save-headers", 0, OPT_BOOLEAN, "saveheaders", -1 },
260 { IF_SSL ("secure-protocol"), 0, OPT_VALUE, "secureprotocol", -1 },
261 { "server-response", 'S', OPT_BOOLEAN, "serverresponse", -1 },
262 { "span-hosts", 'H', OPT_BOOLEAN, "spanhosts", -1 },
263 { "spider", 0, OPT_BOOLEAN, "spider", -1 },
264 { "strict-comments", 0, OPT_BOOLEAN, "strictcomments", -1 },
265 { "timeout", 'T', OPT_VALUE, "timeout", -1 },
266 { "timestamping", 'N', OPT_BOOLEAN, "timestamping", -1 },
267 { "tries", 't', OPT_VALUE, "tries", -1 },
268 { "user", 0, OPT_VALUE, "user", -1 },
269 { "user-agent", 'U', OPT_VALUE, "useragent", -1 },
270 { "verbose", 'v', OPT_BOOLEAN, "verbose", -1 },
271 { "verbose", 0, OPT_BOOLEAN, "verbose", -1 },
272 { "version", 'V', OPT_FUNCALL, (void *) print_version, no_argument },
273 { "wait", 'w', OPT_VALUE, "wait", -1 },
274 { "waitretry", 0, OPT_VALUE, "waitretry", -1 },
276 { "wdebug", 0, OPT_BOOLEAN, "wdebug", -1 },
283 /* Return a string that contains S with "no-" prepended. The string
284 is NUL-terminated and allocated off static storage at Wget
288 no_prefix (const char *s)
290 static char buffer[1024];
291 static char *p = buffer;
294 int size = 3 + strlen (s) + 1; /* "no-STRING\0" */
295 if (p + size >= buffer + sizeof (buffer))
298 cp[0] = 'n', cp[1] = 'o', cp[2] = '-';
304 /* The arguments that that main passes to getopt_long. */
305 static struct option long_options[2 * countof (option_data) + 1];
306 static char short_options[128];
308 /* Mapping between short option chars and option_data indices. */
309 static unsigned char optmap[96];
311 /* Marker for `--no-FOO' values in long_options. */
312 #define BOOLEAN_NEG_MARKER 1024
314 /* Initialize the long_options array used by getopt_long from the data
320 char *p = short_options;
322 for (i = 0; i < countof (option_data); i++)
324 struct cmdline_option *opt = &option_data[i];
325 struct option *longopt;
328 /* The option is disabled. */
331 longopt = &long_options[o++];
332 longopt->name = opt->long_name;
336 *p++ = opt->short_name;
337 optmap[opt->short_name - 32] = longopt - long_options;
342 longopt->has_arg = required_argument;
347 /* Specify an optional argument for long options, so that
348 --option=off works the same as --no-option, for
349 compatibility with pre-1.10 Wget. However, don't specify
350 optional arguments short-option booleans because they
351 prevent combining of short options. */
352 longopt->has_arg = optional_argument;
353 /* For Boolean options, add the "--no-FOO" variant, which is
354 identical to "--foo", except it has opposite meaning and
355 it doesn't allow an argument. */
356 longopt = &long_options[o++];
357 longopt->name = no_prefix (opt->long_name);
358 longopt->has_arg = no_argument;
359 /* Mask the value so we'll be able to recognize that we're
360 dealing with the false value. */
361 longopt->val = i | BOOLEAN_NEG_MARKER;
364 assert (opt->argtype != -1);
365 longopt->has_arg = opt->argtype;
368 if (longopt->has_arg == required_argument)
370 /* Don't handle optional_argument */
374 /* Terminate short_options. */
376 /* No need for xzero(long_options[o]) because its storage is static
377 and it will be zeroed by default. */
378 assert (o <= countof (long_options));
381 /* Print the usage message. */
385 printf (_("Usage: %s [OPTION]... [URL]...\n"), exec_name);
388 /* Print the help message, describing all the available options. If
389 you add an option, be sure to update this list. */
393 /* We split the help text this way to ease translation of individual
395 static const char *help[] = {
398 Mandatory arguments to long options are mandatory for short options too.\n\n"),
402 -V, --version display the version of Wget and exit.\n"),
404 -h, --help print this help.\n"),
406 -b, --background go to background after startup.\n"),
408 -e, --execute=COMMAND execute a `.wgetrc'-style command.\n"),
412 Logging and input file:\n"),
414 -o, --output-file=FILE log messages to FILE.\n"),
416 -a, --append-output=FILE append messages to FILE.\n"),
419 -d, --debug print lots of debugging information.\n"),
423 --wdebug print Watt-32 debug output.\n"),
426 -q, --quiet quiet (no output).\n"),
428 -v, --verbose be verbose (this is the default).\n"),
430 -nv, --no-verbose turn off verboseness, without being quiet.\n"),
432 -i, --input-file=FILE download URLs found in local or external FILE.\n"),
434 -F, --force-html treat input file as HTML.\n"),
436 -B, --base=URL resolves HTML input-file links (-i -F)\n\
437 relative to URL.\n"),
443 -t, --tries=NUMBER set number of retries to NUMBER (0 unlimits).\n"),
445 --retry-connrefused retry even if connection is refused.\n"),
447 -O, --output-document=FILE write documents to FILE.\n"),
449 -nc, --no-clobber skip downloads that would download to\n\
452 -c, --continue resume getting a partially-downloaded file.\n"),
454 --progress=TYPE select progress gauge type.\n"),
456 -N, --timestamping don't re-retrieve files unless newer than\n\
459 -S, --server-response print server response.\n"),
461 --spider don't download anything.\n"),
463 -T, --timeout=SECONDS set all timeout values to SECONDS.\n"),
465 --dns-timeout=SECS set the DNS lookup timeout to SECS.\n"),
467 --connect-timeout=SECS set the connect timeout to SECS.\n"),
469 --read-timeout=SECS set the read timeout to SECS.\n"),
471 -w, --wait=SECONDS wait SECONDS between retrievals.\n"),
473 --waitretry=SECONDS wait 1..SECONDS between retries of a retrieval.\n"),
475 --random-wait wait from 0...2*WAIT secs between retrievals.\n"),
477 --no-proxy explicitly turn off proxy.\n"),
479 -Q, --quota=NUMBER set retrieval quota to NUMBER.\n"),
481 --bind-address=ADDRESS bind to ADDRESS (hostname or IP) on local host.\n"),
483 --limit-rate=RATE limit download rate to RATE.\n"),
485 --no-dns-cache disable caching DNS lookups.\n"),
487 --restrict-file-names=OS restrict chars in file names to ones OS allows.\n"),
489 --ignore-case ignore case when matching files/directories.\n"),
492 -4, --inet4-only connect only to IPv4 addresses.\n"),
494 -6, --inet6-only connect only to IPv6 addresses.\n"),
496 --prefer-family=FAMILY connect first to addresses of specified family,\n\
497 one of IPv6, IPv4, or none.\n"),
500 --user=USER set both ftp and http user to USER.\n"),
502 --password=PASS set both ftp and http password to PASS.\n"),
504 --ask-password prompt for passwords.\n"),
506 --no-iri turn off IRI support.\n"),
508 --local-encoding=ENC use ENC as the local encoding for IRIs.\n"),
510 --remote-encoding=ENC use ENC as the default remote encoding.\n"),
516 -nd, --no-directories don't create directories.\n"),
518 -x, --force-directories force creation of directories.\n"),
520 -nH, --no-host-directories don't create host directories.\n"),
522 --protocol-directories use protocol name in directories.\n"),
524 -P, --directory-prefix=PREFIX save files to PREFIX/...\n"),
526 --cut-dirs=NUMBER ignore NUMBER remote directory components.\n"),
532 --http-user=USER set http user to USER.\n"),
534 --http-password=PASS set http password to PASS.\n"),
536 --no-cache disallow server-cached data.\n"),
538 --default-page=NAME Change the default page name (normally\n\
539 this is `index.html'.).\n"),
541 -E, --adjust-extension save HTML/CSS documents with proper extensions.\n"),
543 --ignore-length ignore `Content-Length' header field.\n"),
545 --header=STRING insert STRING among the headers.\n"),
547 --max-redirect maximum redirections allowed per page.\n"),
549 --proxy-user=USER set USER as proxy username.\n"),
551 --proxy-password=PASS set PASS as proxy password.\n"),
553 --referer=URL include `Referer: URL' header in HTTP request.\n"),
555 --save-headers save the HTTP headers to file.\n"),
557 -U, --user-agent=AGENT identify as AGENT instead of Wget/VERSION.\n"),
559 --no-http-keep-alive disable HTTP keep-alive (persistent connections).\n"),
561 --no-cookies don't use cookies.\n"),
563 --load-cookies=FILE load cookies from FILE before session.\n"),
565 --save-cookies=FILE save cookies to FILE after session.\n"),
567 --keep-session-cookies load and save session (non-permanent) cookies.\n"),
569 --post-data=STRING use the POST method; send STRING as the data.\n"),
571 --post-file=FILE use the POST method; send contents of FILE.\n"),
573 --content-disposition honor the Content-Disposition header when\n\
574 choosing local file names (EXPERIMENTAL).\n"),
576 --auth-no-challenge send Basic HTTP authentication information\n\
577 without first waiting for the server's\n\
583 HTTPS (SSL/TLS) options:\n"),
585 --secure-protocol=PR choose secure protocol, one of auto, SSLv2,\n\
586 SSLv3, and TLSv1.\n"),
588 --no-check-certificate don't validate the server's certificate.\n"),
590 --certificate=FILE client certificate file.\n"),
592 --certificate-type=TYPE client certificate type, PEM or DER.\n"),
594 --private-key=FILE private key file.\n"),
596 --private-key-type=TYPE private key type, PEM or DER.\n"),
598 --ca-certificate=FILE file with the bundle of CA's.\n"),
600 --ca-directory=DIR directory where hash list of CA's is stored.\n"),
602 --random-file=FILE file with random data for seeding the SSL PRNG.\n"),
604 --egd-file=FILE file naming the EGD socket with random data.\n"),
606 #endif /* HAVE_SSL */
612 --ftp-stmlf Use Stream_LF format for all binary FTP files.\n"),
613 #endif /* def __VMS */
615 --ftp-user=USER set ftp user to USER.\n"),
617 --ftp-password=PASS set ftp password to PASS.\n"),
619 --no-remove-listing don't remove `.listing' files.\n"),
621 --no-glob turn off FTP file name globbing.\n"),
623 --no-passive-ftp disable the \"passive\" transfer mode.\n"),
625 --retr-symlinks when recursing, get linked-to files (not dir).\n"),
629 Recursive download:\n"),
631 -r, --recursive specify recursive download.\n"),
633 -l, --level=NUMBER maximum recursion depth (inf or 0 for infinite).\n"),
635 --delete-after delete files locally after downloading them.\n"),
637 -k, --convert-links make links in downloaded HTML or CSS point to\n\
641 -K, --backup-converted before converting file X, back up as X_orig.\n"),
642 #else /* def __VMS */
644 -K, --backup-converted before converting file X, back up as X.orig.\n"),
645 #endif /* def __VMS [else] */
647 -m, --mirror shortcut for -N -r -l inf --no-remove-listing.\n"),
649 -p, --page-requisites get all images, etc. needed to display HTML page.\n"),
651 --strict-comments turn on strict (SGML) handling of HTML comments.\n"),
655 Recursive accept/reject:\n"),
657 -A, --accept=LIST comma-separated list of accepted extensions.\n"),
659 -R, --reject=LIST comma-separated list of rejected extensions.\n"),
661 -D, --domains=LIST comma-separated list of accepted domains.\n"),
663 --exclude-domains=LIST comma-separated list of rejected domains.\n"),
665 --follow-ftp follow FTP links from HTML documents.\n"),
667 --follow-tags=LIST comma-separated list of followed HTML tags.\n"),
669 --ignore-tags=LIST comma-separated list of ignored HTML tags.\n"),
671 -H, --span-hosts go to foreign hosts when recursive.\n"),
673 -L, --relative follow relative links only.\n"),
675 -I, --include-directories=LIST list of allowed directories.\n"),
677 -X, --exclude-directories=LIST list of excluded directories.\n"),
679 -np, --no-parent don't ascend to the parent directory.\n"),
682 N_("Mail bug reports and suggestions to <bug-wget@gnu.org>.\n")
687 printf (_("GNU Wget %s, a non-interactive network retriever.\n"),
691 for (i = 0; i < countof (help); i++)
692 fputs (_(help[i]), stdout);
697 /* Return a human-readable printed representation of INTERVAL,
698 measured in seconds. */
701 secs_to_human_time (double interval)
704 int secs = (int) (interval + 0.5);
705 int hours, mins, days;
707 days = secs / 86400, secs %= 86400;
708 hours = secs / 3600, secs %= 3600;
709 mins = secs / 60, secs %= 60;
712 sprintf (buf, "%dd %dh %dm %ds", days, hours, mins, secs);
714 sprintf (buf, "%dh %dm %ds", hours, mins, secs);
716 sprintf (buf, "%dm %ds", mins, secs);
718 sprintf (buf, "%ss", print_decimal (interval));
724 prompt_for_password (void)
727 printf (_("Password for user %s: "), quote (opt.user));
729 printf (_("Password: "));
733 /* Function that prints the line argument while limiting it
734 to at most line_length. prefix is printed on the first line
735 and an appropriate number of spaces are added on subsequent
738 format_and_print_line (const char *prefix, const char *line,
742 char *line_dup, *token;
744 assert (prefix != NULL);
745 assert (line != NULL);
747 line_dup = xstrdup (line);
749 if (line_length <= 0)
750 line_length = MAX_CHARS_PER_LINE - TABULATION;
752 printf ("%s", prefix);
753 remaining_chars = line_length;
754 /* We break on spaces. */
755 token = strtok (line_dup, " ");
756 while (token != NULL)
758 /* If however a token is much larger than the maximum
759 line length, all bets are off and we simply print the
760 token on the next line. */
761 if (remaining_chars <= strlen (token))
763 printf ("\n%*c", TABULATION, ' ');
764 remaining_chars = line_length - TABULATION;
766 printf ("%s ", token);
767 remaining_chars -= strlen (token) + 1; /* account for " " */
768 token = strtok (NULL, " ");
779 const char *wgetrc_title = _("Wgetrc: ");
780 const char *locale_title = _("Locale: ");
781 const char *compile_title = _("Compile: ");
782 const char *link_title = _("Link: ");
784 char *env_wgetrc, *user_wgetrc;
788 printf (_("GNU Wget %s built on VMS %s %s.\n\n"),
789 version_string, vms_arch(), vms_vers());
790 #else /* def __VMS */
791 printf (_("GNU Wget %s built on %s.\n\n"), version_string, OS_TYPE);
792 #endif /* def __VMS */
793 /* compiled_features is a char*[]. We limit the characters per
794 line to MAX_CHARS_PER_LINE and prefix each line with a constant
795 number of spaces for proper alignment. */
796 for (i = 0; compiled_features[i] != NULL; )
798 int line_length = MAX_CHARS_PER_LINE;
799 while ((line_length > 0) && (compiled_features[i] != NULL))
801 printf ("%s ", compiled_features[i]);
802 line_length -= strlen (compiled_features[i]) + 2;
808 /* Handle the case when $WGETRC is unset and $HOME/.wgetrc is
810 printf ("%s\n", wgetrc_title);
811 env_wgetrc = wgetrc_env_file_name ();
812 if (env_wgetrc && *env_wgetrc)
814 printf (_(" %s (env)\n"), env_wgetrc);
817 user_wgetrc = wgetrc_user_file_name ();
820 printf (_(" %s (user)\n"), user_wgetrc);
824 printf (_(" %s (system)\n"), SYSTEM_WGETRC);
827 format_and_print_line (locale_title,
831 format_and_print_line (compile_title,
835 format_and_print_line (link_title,
840 /* TRANSLATORS: When available, an actual copyright character
841 (cirle-c) should be used in preference to "(C)". */
843 Copyright (C) 2009 Free Software Foundation, Inc.\n"), stdout);
845 License GPLv3+: GNU GPL version 3 or later\n\
846 <http://www.gnu.org/licenses/gpl.html>.\n\
847 This is free software: you are free to change and redistribute it.\n\
848 There is NO WARRANTY, to the extent permitted by law.\n"), stdout);
849 /* TRANSLATORS: When available, please use the proper diacritics for
850 names such as this one. See en_US.po for reference. */
851 fputs (_("\nOriginally written by Hrvoje Niksic <hniksic@xemacs.org>.\n"),
853 fputs (_("Currently maintained by Micah Cowan <micah@cowan.name>.\n"),
855 fputs (_("Please send bug reports and questions to <bug-wget@gnu.org>.\n"),
860 char *program_name; /* Needed by lib/error.c. */
863 main (int argc, char **argv)
866 int i, ret, longindex;
868 bool append_to_log = false;
870 program_name = argv[0];
874 /* Construct the name of the executable, without the directory part. */
875 exec_name = strrchr (argv[0], PATH_SEPARATOR);
882 /* Drop extension (typically .EXE) from executable filename. */
883 windows_main ((char **) &exec_name);
886 /* Set option defaults; read the system wgetrc and ~/.wgetrc. */
891 while ((ret = getopt_long (argc, argv,
892 short_options, long_options, &longindex)) != -1)
895 struct cmdline_option *opt;
897 /* If LONGINDEX is unchanged, it means RET is referring a short
905 printf (_("Try `%s --help' for more options.\n"), exec_name);
908 /* Find the short option character in the mapping. */
909 longindex = optmap[ret - 32];
911 val = long_options[longindex].val;
913 /* Use the retrieved value to locate the option in the
914 option_data array, and to see if we're dealing with the
915 negated "--no-FOO" variant of the boolean option "--foo". */
916 opt = &option_data[val & ~BOOLEAN_NEG_MARKER];
920 setoptval (opt->data, optarg, opt->long_name);
924 /* The user has specified a value -- use it. */
925 setoptval (opt->data, optarg, opt->long_name);
928 /* NEG is true for `--no-FOO' style boolean options. */
929 bool neg = !!(val & BOOLEAN_NEG_MARKER);
930 setoptval (opt->data, neg ? "0" : "1", opt->long_name);
935 void (*func) (void) = (void (*) (void)) opt->data;
939 case OPT__APPEND_OUTPUT:
940 setoptval ("logfile", optarg, opt->long_name);
941 append_to_log = true;
944 run_command (optarg);
948 /* We support real --no-FOO flags now, but keep these
949 short options for convenience and backward
952 for (p = optarg; *p; p++)
956 setoptval ("verbose", "0", opt->long_name);
959 setoptval ("addhostdir", "0", opt->long_name);
962 setoptval ("dirstruct", "0", opt->long_name);
965 setoptval ("noclobber", "1", opt->long_name);
968 setoptval ("noparent", "1", opt->long_name);
971 printf (_("%s: illegal option -- `-n%c'\n"), exec_name, *p);
974 printf (_("Try `%s --help' for more options.\n"), exec_name);
982 /* The wgetrc commands are named noparent and noclobber,
983 so we must revert the meaning of the cmdline options
984 before passing the value to setoptval. */
987 flag = (*optarg == '1' || c_tolower (*optarg) == 'y'
988 || (c_tolower (optarg[0]) == 'o'
989 && c_tolower (optarg[1]) == 'n'));
990 setoptval (opt->type == OPT__PARENT ? "noparent" : "noclobber",
991 flag ? "0" : "1", opt->long_name);
994 case OPT__DONT_REMOVE_LISTING:
995 setoptval ("removelisting", "0", opt->long_name);
1002 nurl = argc - optind;
1004 /* All user options have now been processed, so it's now safe to do
1005 interoption dependency checks. */
1007 if (opt.reclevel == 0)
1008 opt.reclevel = INFINITE_RECURSION; /* see recur.h for commentary */
1010 if (opt.spider || opt.delete_after)
1011 opt.no_dirstruct = true;
1013 if (opt.page_requisites && !opt.recursive)
1015 /* Don't set opt.recursive here because it would confuse the FTP
1016 code. Instead, call retrieve_tree below when either
1017 page_requisites or recursive is requested. */
1019 if (!opt.no_dirstruct)
1020 opt.dirstruct = 1; /* normally handled by cmd_spec_recursive() */
1023 if (opt.verbose == -1)
1024 opt.verbose = !opt.quiet;
1026 /* Sanity checks. */
1027 if (opt.verbose && opt.quiet)
1029 printf (_("Can't be verbose and quiet at the same time.\n"));
1033 if (opt.timestamping && opt.noclobber)
1036 Can't timestamp and not clobber old files at the same time.\n"));
1041 if (opt.ipv4_only && opt.ipv6_only)
1043 printf (_("Cannot specify both --inet4-only and --inet6-only.\n"));
1048 if (opt.output_document)
1050 if (opt.convert_links
1051 && (nurl > 1 || opt.page_requisites || opt.recursive))
1054 Cannot specify both -k and -O if multiple URLs are given, or in combination\n\
1055 with -p or -r. See the manual for details.\n\n"), stdout);
1059 if (opt.page_requisites
1062 logprintf (LOG_NOTQUIET, "%s", _("\
1063 WARNING: combining -O with -r or -p will mean that all downloaded content\n\
1064 will be placed in the single file you specified.\n\n"));
1066 if (opt.timestamping)
1068 logprintf (LOG_NOTQUIET, "%s", _("\
1069 WARNING: timestamping does nothing in combination with -O. See the manual\n\
1070 for details.\n\n"));
1071 opt.timestamping = false;
1073 if (opt.noclobber && file_exists_p(opt.output_document))
1075 /* Check if output file exists; if it does, exit. */
1076 logprintf (LOG_VERBOSE, _("File `%s' already there; not retrieving.\n"), opt.output_document);
1081 if (opt.ask_passwd && opt.passwd)
1083 printf (_("Cannot specify both --ask-password and --password.\n"));
1088 if (!nurl && !opt.input_filename)
1090 /* No URL specified. */
1091 printf (_("%s: missing URL\n"), exec_name);
1094 /* #### Something nicer should be printed here -- similar to the
1095 pre-1.5 `--help' page. */
1096 printf (_("Try `%s --help' for more options.\n"), exec_name);
1103 if (opt.locale && !check_encoding_name (opt.locale))
1107 opt.locale = find_locale ();
1109 if (opt.encoding_remote && !check_encoding_name (opt.encoding_remote))
1110 opt.encoding_remote = NULL;
1113 if (opt.enable_iri || opt.locale || opt.encoding_remote)
1115 /* sXXXav : be more specific... */
1116 printf(_("This version does not have support for IRIs\n"));
1123 opt.passwd = prompt_for_password ();
1125 if (opt.passwd == NULL || opt.passwd[0] == '\0')
1135 fork_to_background ();
1138 /* Initialize progress. Have to do this after the options are
1139 processed so we know where the log file is. */
1141 set_progress_implementation (opt.progress_type);
1143 /* Fill in the arguments. */
1144 url = alloca_array (char *, nurl + 1);
1145 for (i = 0; i < nurl; i++, optind++)
1147 char *rewritten = rewrite_shorthand_url (argv[optind]);
1151 url[i] = xstrdup (argv[optind]);
1155 /* Initialize logging. */
1156 log_init (opt.lfilename, append_to_log);
1158 DEBUGP (("DEBUG output created by Wget %s on %s.\n\n",
1159 version_string, OS_TYPE));
1161 /* Open the output filename if necessary. */
1164 Note that having the output_stream ("-O") file opened here for an FTP
1165 URL rather than in getftp() (ftp.c) (and the http equivalent) rather
1166 limits the ability in VMS to open the file differently for ASCII
1167 versus binary FTP there. (Of course, doing it here allows a open
1168 failure to be detected immediately, without first connecting to the
1171 if (opt.output_document)
1173 if (HYPHENP (opt.output_document))
1177 result = freopen ("CONOUT$", "wb", stdout);
1180 logputs (LOG_NOTQUIET, _("\
1181 WARNING: Can't reopen standard output in binary mode;\n\
1182 downloaded file may contain inappropriate line endings.\n"));
1185 output_stream = stdout;
1192 /* Common fopen() optional arguments:
1193 sequential access only, access callback function.
1195 # define FOPEN_OPT_ARGS , "fop=sqo", "acc", acc_cb, &open_id
1197 #else /* def __VMS */
1198 # define FOPEN_OPT_ARGS
1199 #endif /* def __VMS [else] */
1201 output_stream = fopen (opt.output_document,
1202 opt.always_rest ? "ab" : "wb"
1204 if (output_stream == NULL)
1206 perror (opt.output_document);
1209 if (fstat (fileno (output_stream), &st) == 0 && S_ISREG (st.st_mode))
1210 output_stream_regular = true;
1215 /* Set global ODS5 flag according to the specified destination (if
1216 any), otherwise according to the current default device.
1218 if (output_stream == NULL)
1220 set_ods5_dest( "SYS$DISK");
1222 else if (output_stream != stdout)
1224 set_ods5_dest( opt.output_document);
1226 #endif /* def __VMS */
1233 /* Setup the signal handler to redirect output when hangup is
1235 if (signal(SIGHUP, SIG_IGN) != SIG_IGN)
1236 signal(SIGHUP, redirect_output_signal);
1238 /* ...and do the same for SIGUSR1. */
1240 signal (SIGUSR1, redirect_output_signal);
1243 /* Writing to a closed socket normally signals SIGPIPE, and the
1244 process exits. What we want is to ignore SIGPIPE and just check
1245 for the return value of write(). */
1246 signal (SIGPIPE, SIG_IGN);
1249 signal (SIGWINCH, progress_handle_sigwinch);
1252 status = RETROK; /* initialize it, just-in-case */
1253 /* Retrieve the URLs from argument list. */
1254 for (t = url; *t; t++)
1256 char *filename = NULL, *redirected_URL = NULL;
1258 /* Need to do a new struct iri every time, because
1259 * retrieve_url may modify it in some circumstances,
1261 struct iri *iri = iri_new ();
1262 struct url *url_parsed;
1264 set_uri_encoding (iri, opt.locale, true);
1265 url_parsed = url_parse (*t, &url_err, iri, true);
1269 char *error = url_error (*t, url_err);
1270 logprintf (LOG_NOTQUIET, "%s: %s.\n",*t, error);
1276 if ((opt.recursive || opt.page_requisites)
1277 && (url_scheme (*t) != SCHEME_FTP || url_uses_proxy (url_parsed)))
1279 int old_follow_ftp = opt.follow_ftp;
1281 /* Turn opt.follow_ftp on in case of recursive FTP retrieval */
1282 if (url_scheme (*t) == SCHEME_FTP)
1285 status = retrieve_tree (url_parsed, NULL);
1287 opt.follow_ftp = old_follow_ftp;
1291 status = retrieve_url (url_parsed, *t, &filename, &redirected_URL,
1292 NULL, &dt, opt.recursive, iri);
1295 if (opt.delete_after && file_exists_p(filename))
1297 DEBUGP (("Removing file due to --delete-after in main():\n"));
1298 logprintf (LOG_VERBOSE, _("Removing %s.\n"), filename);
1299 if (unlink (filename))
1300 logprintf (LOG_NOTQUIET, "unlink: %s\n", strerror (errno));
1302 xfree_null (redirected_URL);
1303 xfree_null (filename);
1304 url_free (url_parsed);
1309 /* And then from the input file, if any. */
1310 if (opt.input_filename)
1313 status = retrieve_from_file (opt.input_filename, opt.force_html, &count);
1315 logprintf (LOG_NOTQUIET, _("No URLs found in %s.\n"),
1316 opt.input_filename);
1319 /* Print broken links. */
1320 if (opt.recursive && opt.spider)
1322 print_broken_links();
1325 /* Print the downloaded sum. */
1326 if ((opt.recursive || opt.page_requisites
1328 || (opt.input_filename && total_downloaded_bytes != 0))
1330 total_downloaded_bytes != 0)
1332 logprintf (LOG_NOTQUIET,
1333 _("FINISHED --%s--\nDownloaded: %d files, %s in %s (%s)\n"),
1334 datetime_str (time (NULL)),
1336 human_readable (total_downloaded_bytes),
1337 secs_to_human_time (total_download_time),
1338 retr_rate (total_downloaded_bytes, total_download_time));
1339 /* Print quota warning, if exceeded. */
1340 if (opt.quota && total_downloaded_bytes > opt.quota)
1341 logprintf (LOG_NOTQUIET,
1342 _("Download quota of %s EXCEEDED!\n"),
1343 human_readable (opt.quota));
1346 if (opt.cookies_output)
1349 if (opt.convert_links && !opt.delete_after)
1350 convert_all_links ();
1353 for (i = 0; i < nurl; i++)
1357 if (status == RETROK)
1362 #endif /* TESTING */
1364 #if defined(SIGHUP) || defined(SIGUSR1)
1366 /* So the signal_name check doesn't blow when only one is available. */
1374 /* Hangup signal handler. When wget receives SIGHUP or SIGUSR1, it
1375 will proceed operation as usual, trying to write into a log file.
1376 If that is impossible, the output will be turned off. */
1379 redirect_output_signal (int sig)
1381 const char *signal_name = (sig == SIGHUP ? "SIGHUP" :
1382 (sig == SIGUSR1 ? "SIGUSR1" :
1384 log_request_redirect_output (signal_name);
1385 progress_schedule_redirect ();
1386 signal (sig, redirect_output_signal);