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 */
68 #ifndef PATH_SEPARATOR
69 # define PATH_SEPARATOR '/'
74 /* defined in version.c */
75 extern char *version_string;
76 extern char *compilation_string;
77 extern char *system_getrc;
78 extern char *link_string;
79 /* defined in build_info.c */
80 extern char *compiled_features[];
81 /* Used for --version output in print_version */
82 #define MAX_CHARS_PER_LINE 72
85 #if defined(SIGHUP) || defined(SIGUSR1)
86 static void redirect_output_signal (int);
89 const char *exec_name;
91 /* Number of successfully downloaded URLs */
95 /* Initialize I18N/L10N. That amounts to invoking setlocale, and
96 setting up gettext's message catalog using bindtextdomain and
97 textdomain. Does nothing if NLS is disabled or missing. */
100 i18n_initialize (void)
102 /* ENABLE_NLS implies existence of functions invoked here. */
104 /* Set the current locale. */
105 setlocale (LC_ALL, "");
106 /* Set the text message domain. */
107 bindtextdomain ("wget", LOCALEDIR);
109 #endif /* ENABLE_NLS */
112 /* Definition of command-line options. */
114 static void print_help (void);
115 static void print_version (void);
120 # define IF_SSL(x) NULL
124 # define WHEN_DEBUG(x) x
126 # define WHEN_DEBUG(x) NULL
129 struct cmdline_option {
130 const char *long_name;
136 /* Non-standard options that have to be handled specially in
140 OPT__DONT_REMOVE_LISTING,
145 const void *data; /* for standard options */
146 int argtype; /* for non-standard options */
149 static struct cmdline_option option_data[] =
151 { "accept", 'A', OPT_VALUE, "accept", -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 },
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, "htmlextension", -1 },
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 { "locale", 0, OPT_VALUE, "locale", -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 },
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 prepends URL to relative links in -F -i file.\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"),
510 -nd, --no-directories don't create directories.\n"),
512 -x, --force-directories force creation of directories.\n"),
514 -nH, --no-host-directories don't create host directories.\n"),
516 --protocol-directories use protocol name in directories.\n"),
518 -P, --directory-prefix=PREFIX save files to PREFIX/...\n"),
520 --cut-dirs=NUMBER ignore NUMBER remote directory components.\n"),
526 --http-user=USER set http user to USER.\n"),
528 --http-password=PASS set http password to PASS.\n"),
530 --no-cache disallow server-cached data.\n"),
532 --default-page=NAME Change the default page name (normally\n\
533 this is `index.html'.).\n"),
535 -E, --html-extension save HTML documents with `.html' extension.\n"),
537 --ignore-length ignore `Content-Length' header field.\n"),
539 --header=STRING insert STRING among the headers.\n"),
541 --max-redirect maximum redirections allowed per page.\n"),
543 --proxy-user=USER set USER as proxy username.\n"),
545 --proxy-password=PASS set PASS as proxy password.\n"),
547 --referer=URL include `Referer: URL' header in HTTP request.\n"),
549 --save-headers save the HTTP headers to file.\n"),
551 -U, --user-agent=AGENT identify as AGENT instead of Wget/VERSION.\n"),
553 --no-http-keep-alive disable HTTP keep-alive (persistent connections).\n"),
555 --no-cookies don't use cookies.\n"),
557 --load-cookies=FILE load cookies from FILE before session.\n"),
559 --save-cookies=FILE save cookies to FILE after session.\n"),
561 --keep-session-cookies load and save session (non-permanent) cookies.\n"),
563 --post-data=STRING use the POST method; send STRING as the data.\n"),
565 --post-file=FILE use the POST method; send contents of FILE.\n"),
567 --content-disposition honor the Content-Disposition header when\n\
568 choosing local file names (EXPERIMENTAL).\n"),
570 --auth-no-challenge Send Basic HTTP authentication information\n\
571 without first waiting for the server's\n\
577 HTTPS (SSL/TLS) options:\n"),
579 --secure-protocol=PR choose secure protocol, one of auto, SSLv2,\n\
580 SSLv3, and TLSv1.\n"),
582 --no-check-certificate don't validate the server's certificate.\n"),
584 --certificate=FILE client certificate file.\n"),
586 --certificate-type=TYPE client certificate type, PEM or DER.\n"),
588 --private-key=FILE private key file.\n"),
590 --private-key-type=TYPE private key type, PEM or DER.\n"),
592 --ca-certificate=FILE file with the bundle of CA's.\n"),
594 --ca-directory=DIR directory where hash list of CA's is stored.\n"),
596 --random-file=FILE file with random data for seeding the SSL PRNG.\n"),
598 --egd-file=FILE file naming the EGD socket with random data.\n"),
600 #endif /* HAVE_SSL */
606 --ftp-stmlf Use Stream_LF format for all binary FTP files.\n"),
607 #endif /* def __VMS */
609 --ftp-user=USER set ftp user to USER.\n"),
611 --ftp-password=PASS set ftp password to PASS.\n"),
613 --no-remove-listing don't remove `.listing' files.\n"),
615 --no-glob turn off FTP file name globbing.\n"),
617 --no-passive-ftp disable the \"passive\" transfer mode.\n"),
619 --retr-symlinks when recursing, get linked-to files (not dir).\n"),
621 --preserve-permissions preserve remote file permissions.\n"),
625 Recursive download:\n"),
627 -r, --recursive specify recursive download.\n"),
629 -l, --level=NUMBER maximum recursion depth (inf or 0 for infinite).\n"),
631 --delete-after delete files locally after downloading them.\n"),
633 -k, --convert-links make links in downloaded HTML or CSS point to\n\
637 -K, --backup-converted before converting file X, back up as X_orig.\n"),
638 #else /* def __VMS */
640 -K, --backup-converted before converting file X, back up as X.orig.\n"),
641 #endif /* def __VMS [else] */
643 -m, --mirror shortcut for -N -r -l inf --no-remove-listing.\n"),
645 -p, --page-requisites get all images, etc. needed to display HTML page.\n"),
647 --strict-comments turn on strict (SGML) handling of HTML comments.\n"),
651 Recursive accept/reject:\n"),
653 -A, --accept=LIST comma-separated list of accepted extensions.\n"),
655 -R, --reject=LIST comma-separated list of rejected extensions.\n"),
657 -D, --domains=LIST comma-separated list of accepted domains.\n"),
659 --exclude-domains=LIST comma-separated list of rejected domains.\n"),
661 --follow-ftp follow FTP links from HTML documents.\n"),
663 --follow-tags=LIST comma-separated list of followed HTML tags.\n"),
665 --ignore-tags=LIST comma-separated list of ignored HTML tags.\n"),
667 -H, --span-hosts go to foreign hosts when recursive.\n"),
669 -L, --relative follow relative links only.\n"),
671 -I, --include-directories=LIST list of allowed directories.\n"),
673 -X, --exclude-directories=LIST list of excluded directories.\n"),
675 -np, --no-parent don't ascend to the parent directory.\n"),
678 N_("Mail bug reports and suggestions to <bug-wget@gnu.org>.\n")
683 printf (_("GNU Wget %s, a non-interactive network retriever.\n"),
687 for (i = 0; i < countof (help); i++)
688 fputs (_(help[i]), stdout);
693 /* Return a human-readable printed representation of INTERVAL,
694 measured in seconds. */
697 secs_to_human_time (double interval)
700 int secs = (int) (interval + 0.5);
701 int hours, mins, days;
703 days = secs / 86400, secs %= 86400;
704 hours = secs / 3600, secs %= 3600;
705 mins = secs / 60, secs %= 60;
708 sprintf (buf, "%dd %dh %dm %ds", days, hours, mins, secs);
710 sprintf (buf, "%dh %dm %ds", hours, mins, secs);
712 sprintf (buf, "%dm %ds", mins, secs);
714 sprintf (buf, "%ss", print_decimal (interval));
720 prompt_for_password (void)
723 printf (_("Password for user %s: "), quote (opt.user));
725 printf (_("Password: "));
729 /* Function that prints the line argument while limiting it
730 to at most line_length. prefix is printed on the first line
731 and an appropriate number of spaces are added on subsequent
734 format_and_print_line (const char *prefix, const char *line,
738 char *line_dup, *token;
740 assert (prefix != NULL);
741 assert (line != NULL);
743 line_dup = xstrdup (line);
745 if (line_length <= 0)
746 line_length = MAX_CHARS_PER_LINE - TABULATION;
748 printf ("%s", prefix);
749 remaining_chars = line_length;
750 /* We break on spaces. */
751 token = strtok (line_dup, " ");
752 while (token != NULL)
754 /* If however a token is much larger than the maximum
755 line length, all bets are off and we simply print the
756 token on the next line. */
757 if (remaining_chars <= strlen (token))
759 printf ("\n%*c", TABULATION, ' ');
760 remaining_chars = line_length - TABULATION;
762 printf ("%s ", token);
763 remaining_chars -= strlen (token) + 1; /* account for " " */
764 token = strtok (NULL, " ");
775 const char *wgetrc_title = _("Wgetrc: ");
776 const char *locale_title = _("Locale: ");
777 const char *compile_title = _("Compile: ");
778 const char *link_title = _("Link: ");
780 char *env_wgetrc, *user_wgetrc;
784 printf ("GNU Wget %s built on VMS %s %s.\n\n",
785 VERSION_STRING, vms_arch(), vms_vers());
786 #else /* def __VMS */
787 printf ("GNU Wget %s built on %s.\n\n", version_string, OS_TYPE);
788 #endif /* def __VMS */
789 /* compiled_features is a char*[]. We limit the characters per
790 line to MAX_CHARS_PER_LINE and prefix each line with a constant
791 number of spaces for proper alignment. */
792 for (i = 0; compiled_features[i] != NULL; )
794 int line_length = MAX_CHARS_PER_LINE;
795 while ((line_length > 0) && (compiled_features[i] != NULL))
797 printf ("%s ", compiled_features[i]);
798 line_length -= strlen (compiled_features[i]) + 2;
804 /* Handle the case when $WGETRC is unset and $HOME/.wgetrc is
806 printf ("%s\n", wgetrc_title);
807 env_wgetrc = wgetrc_env_file_name ();
808 if (env_wgetrc && *env_wgetrc)
810 printf (" %s (env)\n", env_wgetrc);
813 user_wgetrc = wgetrc_user_file_name ();
816 printf (" %s (user)\n", user_wgetrc);
820 printf (" %s (system)\n", SYSTEM_WGETRC);
823 format_and_print_line (locale_title,
827 format_and_print_line (compile_title,
831 format_and_print_line (link_title,
836 /* TRANSLATORS: When available, an actual copyright character
837 (cirle-c) should be used in preference to "(C)". */
839 Copyright (C) 2008 Free Software Foundation, Inc.\n"), stdout);
841 License GPLv3+: GNU GPL version 3 or later\n\
842 <http://www.gnu.org/licenses/gpl.html>.\n\
843 This is free software: you are free to change and redistribute it.\n\
844 There is NO WARRANTY, to the extent permitted by law.\n"), stdout);
845 /* TRANSLATORS: When available, please use the proper diacritics for
846 names such as this one. See en_US.po for reference. */
847 fputs (_("\nOriginally written by Hrvoje Niksic <hniksic@xemacs.org>.\n"),
849 fputs (_("Currently maintained by Micah Cowan <micah@cowan.name>.\n"),
851 fputs (_("Please send bug reports and questions to <bug-wget@gnu.org>.\n"),
856 char *program_name; /* Needed by lib/error.c. */
859 main (int argc, char **argv)
862 int i, ret, longindex;
864 bool append_to_log = false;
866 program_name = argv[0];
870 /* Construct the name of the executable, without the directory part. */
871 exec_name = strrchr (argv[0], PATH_SEPARATOR);
878 /* Drop extension (typically .EXE) from executable filename. */
879 windows_main ((char **) &exec_name);
882 /* Set option defaults; read the system wgetrc and ~/.wgetrc. */
887 while ((ret = getopt_long (argc, argv,
888 short_options, long_options, &longindex)) != -1)
891 struct cmdline_option *opt;
893 /* If LONGINDEX is unchanged, it means RET is referring a short
901 printf (_("Try `%s --help' for more options.\n"), exec_name);
904 /* Find the short option character in the mapping. */
905 longindex = optmap[ret - 32];
907 val = long_options[longindex].val;
909 /* Use the retrieved value to locate the option in the
910 option_data array, and to see if we're dealing with the
911 negated "--no-FOO" variant of the boolean option "--foo". */
912 opt = &option_data[val & ~BOOLEAN_NEG_MARKER];
916 setoptval (opt->data, optarg, opt->long_name);
920 /* The user has specified a value -- use it. */
921 setoptval (opt->data, optarg, opt->long_name);
924 /* NEG is true for `--no-FOO' style boolean options. */
925 bool neg = !!(val & BOOLEAN_NEG_MARKER);
926 setoptval (opt->data, neg ? "0" : "1", opt->long_name);
931 void (*func) (void) = (void (*) (void)) opt->data;
935 case OPT__APPEND_OUTPUT:
936 setoptval ("logfile", optarg, opt->long_name);
937 append_to_log = true;
940 run_command (optarg);
944 /* We support real --no-FOO flags now, but keep these
945 short options for convenience and backward
948 for (p = optarg; *p; p++)
952 setoptval ("verbose", "0", opt->long_name);
955 setoptval ("addhostdir", "0", opt->long_name);
958 setoptval ("dirstruct", "0", opt->long_name);
961 setoptval ("noclobber", "1", opt->long_name);
964 setoptval ("noparent", "1", opt->long_name);
967 printf (_("%s: illegal option -- `-n%c'\n"), exec_name, *p);
970 printf (_("Try `%s --help' for more options.\n"), exec_name);
978 /* The wgetrc commands are named noparent and noclobber,
979 so we must revert the meaning of the cmdline options
980 before passing the value to setoptval. */
983 flag = (*optarg == '1' || c_tolower (*optarg) == 'y'
984 || (c_tolower (optarg[0]) == 'o'
985 && c_tolower (optarg[1]) == 'n'));
986 setoptval (opt->type == OPT__PARENT ? "noparent" : "noclobber",
987 flag ? "0" : "1", opt->long_name);
990 case OPT__DONT_REMOVE_LISTING:
991 setoptval ("removelisting", "0", opt->long_name);
998 nurl = argc - optind;
1000 /* All user options have now been processed, so it's now safe to do
1001 interoption dependency checks. */
1003 if (opt.reclevel == 0)
1004 opt.reclevel = INFINITE_RECURSION; /* see recur.h for commentary */
1006 if (opt.spider || opt.delete_after)
1007 opt.no_dirstruct = true;
1009 if (opt.page_requisites && !opt.recursive)
1011 /* Don't set opt.recursive here because it would confuse the FTP
1012 code. Instead, call retrieve_tree below when either
1013 page_requisites or recursive is requested. */
1015 if (!opt.no_dirstruct)
1016 opt.dirstruct = 1; /* normally handled by cmd_spec_recursive() */
1019 if (opt.verbose == -1)
1020 opt.verbose = !opt.quiet;
1022 /* Sanity checks. */
1023 if (opt.verbose && opt.quiet)
1025 printf (_("Can't be verbose and quiet at the same time.\n"));
1029 if (opt.timestamping && opt.noclobber)
1032 Can't timestamp and not clobber old files at the same time.\n"));
1037 if (opt.ipv4_only && opt.ipv6_only)
1039 printf (_("Cannot specify both --inet4-only and --inet6-only.\n"));
1044 if (opt.output_document)
1046 if (opt.convert_links
1047 && (nurl > 1 || opt.page_requisites || opt.recursive))
1050 Cannot specify both -k and -O if multiple URLs are given, or in combination\n\
1051 with -p or -r. See the manual for details.\n\n"), stdout);
1055 if (opt.page_requisites
1058 logprintf (LOG_NOTQUIET, "%s", _("\
1059 WARNING: combining -O with -r or -p will mean that all downloaded content\n\
1060 will be placed in the single file you specified.\n\n"));
1062 if (opt.timestamping)
1064 logprintf (LOG_NOTQUIET, "%s", _("\
1065 WARNING: timestamping does nothing in combination with -O. See the manual\n\
1066 for details.\n\n"));
1067 opt.timestamping = false;
1069 if (opt.noclobber && file_exists_p(opt.output_document))
1071 /* Check if output file exists; if it does, exit. */
1072 logprintf (LOG_VERBOSE, _("File `%s' already there; not retrieving.\n"), opt.output_document);
1077 if (opt.ask_passwd && opt.passwd)
1079 printf (_("Cannot specify both --ask-password and --password.\n"));
1084 if (!nurl && !opt.input_filename)
1086 /* No URL specified. */
1087 printf (_("%s: missing URL\n"), exec_name);
1090 /* #### Something nicer should be printed here -- similar to the
1091 pre-1.5 `--help' page. */
1092 printf (_("Try `%s --help' for more options.\n"), exec_name);
1099 if (opt.locale && !check_encoding_name (opt.locale))
1103 opt.locale = find_locale ();
1105 if (opt.encoding_remote && !check_encoding_name (opt.encoding_remote))
1106 opt.encoding_remote = NULL;
1109 if (opt.enable_iri || opt.locale || opt.encoding_remote)
1111 /* sXXXav : be more specific... */
1112 printf(_("This version does not have support for IRIs\n"));
1119 opt.passwd = prompt_for_password ();
1121 if (opt.passwd == NULL || opt.passwd[0] == '\0')
1131 fork_to_background ();
1134 /* Initialize progress. Have to do this after the options are
1135 processed so we know where the log file is. */
1137 set_progress_implementation (opt.progress_type);
1139 /* Fill in the arguments. */
1140 url = alloca_array (char *, nurl + 1);
1141 for (i = 0; i < nurl; i++, optind++)
1143 char *rewritten = rewrite_shorthand_url (argv[optind]);
1147 url[i] = xstrdup (argv[optind]);
1151 /* Initialize logging. */
1152 log_init (opt.lfilename, append_to_log);
1154 DEBUGP (("DEBUG output created by Wget %s on %s.\n\n",
1155 VERSION_STRING, OS_TYPE));
1157 /* Open the output filename if necessary. */
1160 Note that having the output_stream ("-O") file opened here for an FTP
1161 URL rather than in getftp() (ftp.c) (and the http equivalent) rather
1162 limits the ability in VMS to open the file differently for ASCII
1163 versus binary FTP there. (Of course, doing it here allows a open
1164 failure to be detected immediately, without first connecting to the
1167 if (opt.output_document)
1169 if (HYPHENP (opt.output_document))
1173 result = freopen ("CONOUT$", "wb", stdout);
1176 logputs (LOG_NOTQUIET, _("\
1177 WARNING: Can't reopen standard output in binary mode;\n\
1178 downloaded file may contain inappropriate line endings.\n"));
1181 output_stream = stdout;
1188 /* Common fopen() optional arguments:
1189 sequential access only, access callback function.
1191 # define FOPEN_OPT_ARGS , "fop=sqo", "acc", acc_cb, &open_id
1193 #else /* def __VMS */
1194 # define FOPEN_OPT_ARGS
1195 #endif /* def __VMS [else] */
1197 output_stream = fopen (opt.output_document,
1198 opt.always_rest ? "ab" : "wb"
1200 if (output_stream == NULL)
1202 perror (opt.output_document);
1205 if (fstat (fileno (output_stream), &st) == 0 && S_ISREG (st.st_mode))
1206 output_stream_regular = true;
1211 /* Set global ODS5 flag according to the specified destination (if
1212 any), otherwise according to the current default device.
1214 if (output_stream == NULL)
1216 set_ods5_dest( "SYS$DISK");
1218 else if (output_stream != stdout)
1220 set_ods5_dest( opt.output_document);
1222 #endif /* def __VMS */
1229 /* Setup the signal handler to redirect output when hangup is
1231 if (signal(SIGHUP, SIG_IGN) != SIG_IGN)
1232 signal(SIGHUP, redirect_output_signal);
1234 /* ...and do the same for SIGUSR1. */
1236 signal (SIGUSR1, redirect_output_signal);
1239 /* Writing to a closed socket normally signals SIGPIPE, and the
1240 process exits. What we want is to ignore SIGPIPE and just check
1241 for the return value of write(). */
1242 signal (SIGPIPE, SIG_IGN);
1245 signal (SIGWINCH, progress_handle_sigwinch);
1248 status = RETROK; /* initialize it, just-in-case */
1249 /* Retrieve the URLs from argument list. */
1250 for (t = url; *t; t++)
1252 char *filename = NULL, *redirected_URL = NULL;
1254 /* Need to do a new struct iri every time, because
1255 * retrieve_url may modify it in some circumstances,
1257 struct iri *iri = iri_new ();
1258 struct url *url_parsed;
1260 set_uri_encoding (iri, opt.locale, true);
1261 url_parsed = url_parse (*t, &url_err, iri, true);
1265 char *error = url_error (*t, url_err);
1266 logprintf (LOG_NOTQUIET, "%s: %s.\n",*t, error);
1272 if ((opt.recursive || opt.page_requisites)
1273 && (url_scheme (*t) != SCHEME_FTP || url_uses_proxy (url_parsed)))
1275 int old_follow_ftp = opt.follow_ftp;
1277 /* Turn opt.follow_ftp on in case of recursive FTP retrieval */
1278 if (url_scheme (*t) == SCHEME_FTP)
1281 status = retrieve_tree (url_parsed, NULL);
1283 opt.follow_ftp = old_follow_ftp;
1287 status = retrieve_url (url_parsed, *t, &filename, &redirected_URL,
1288 NULL, &dt, opt.recursive, iri);
1291 if (opt.delete_after && file_exists_p(filename))
1293 DEBUGP (("Removing file due to --delete-after in main():\n"));
1294 logprintf (LOG_VERBOSE, _("Removing %s.\n"), filename);
1295 if (unlink (filename))
1296 logprintf (LOG_NOTQUIET, "unlink: %s\n", strerror (errno));
1298 xfree_null (redirected_URL);
1299 xfree_null (filename);
1300 url_free (url_parsed);
1305 /* And then from the input file, if any. */
1306 if (opt.input_filename)
1309 status = retrieve_from_file (opt.input_filename, opt.force_html, &count);
1311 logprintf (LOG_NOTQUIET, _("No URLs found in %s.\n"),
1312 opt.input_filename);
1315 /* Print broken links. */
1316 if (opt.recursive && opt.spider)
1318 print_broken_links();
1321 /* Print the downloaded sum. */
1322 if ((opt.recursive || opt.page_requisites
1324 || (opt.input_filename && total_downloaded_bytes != 0))
1326 total_downloaded_bytes != 0)
1328 logprintf (LOG_NOTQUIET,
1329 _("FINISHED --%s--\nDownloaded: %d files, %s in %s (%s)\n"),
1330 datetime_str (time (NULL)),
1332 human_readable (total_downloaded_bytes),
1333 secs_to_human_time (total_download_time),
1334 retr_rate (total_downloaded_bytes, total_download_time));
1335 /* Print quota warning, if exceeded. */
1336 if (opt.quota && total_downloaded_bytes > opt.quota)
1337 logprintf (LOG_NOTQUIET,
1338 _("Download quota of %s EXCEEDED!\n"),
1339 human_readable (opt.quota));
1342 if (opt.cookies_output)
1345 if (opt.convert_links && !opt.delete_after)
1346 convert_all_links ();
1349 for (i = 0; i < nurl; i++)
1353 if (status == RETROK)
1358 #endif /* TESTING */
1360 #if defined(SIGHUP) || defined(SIGUSR1)
1362 /* So the signal_name check doesn't blow when only one is available. */
1370 /* Hangup signal handler. When wget receives SIGHUP or SIGUSR1, it
1371 will proceed operation as usual, trying to write into a log file.
1372 If that is impossible, the output will be turned off. */
1375 redirect_output_signal (int sig)
1377 const char *signal_name = (sig == SIGHUP ? "SIGHUP" :
1378 (sig == SIGUSR1 ? "SIGUSR1" :
1380 log_request_redirect_output (signal_name);
1381 progress_schedule_redirect ();
1382 signal (sig, redirect_output_signal);