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 },
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 { "locale", 0, OPT_VALUE, "locale", -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 prepends URL to relative links in -F -i file.\n"),
441 -t, --tries=NUMBER set number of retries to NUMBER (0 unlimits).\n"),
443 --retry-connrefused retry even if connection is refused.\n"),
445 -O, --output-document=FILE write documents to FILE.\n"),
447 -nc, --no-clobber skip downloads that would download to\n\
450 -c, --continue resume getting a partially-downloaded file.\n"),
452 --progress=TYPE select progress gauge type.\n"),
454 -N, --timestamping don't re-retrieve files unless newer than\n\
457 -S, --server-response print server response.\n"),
459 --spider don't download anything.\n"),
461 -T, --timeout=SECONDS set all timeout values to SECONDS.\n"),
463 --dns-timeout=SECS set the DNS lookup timeout to SECS.\n"),
465 --connect-timeout=SECS set the connect timeout to SECS.\n"),
467 --read-timeout=SECS set the read timeout to SECS.\n"),
469 -w, --wait=SECONDS wait SECONDS between retrievals.\n"),
471 --waitretry=SECONDS wait 1..SECONDS between retries of a retrieval.\n"),
473 --random-wait wait from 0...2*WAIT secs between retrievals.\n"),
475 --no-proxy explicitly turn off proxy.\n"),
477 -Q, --quota=NUMBER set retrieval quota to NUMBER.\n"),
479 --bind-address=ADDRESS bind to ADDRESS (hostname or IP) on local host.\n"),
481 --limit-rate=RATE limit download rate to RATE.\n"),
483 --no-dns-cache disable caching DNS lookups.\n"),
485 --restrict-file-names=OS restrict chars in file names to ones OS allows.\n"),
487 --ignore-case ignore case when matching files/directories.\n"),
490 -4, --inet4-only connect only to IPv4 addresses.\n"),
492 -6, --inet6-only connect only to IPv6 addresses.\n"),
494 --prefer-family=FAMILY connect first to addresses of specified family,\n\
495 one of IPv6, IPv4, or none.\n"),
498 --user=USER set both ftp and http user to USER.\n"),
500 --password=PASS set both ftp and http password to PASS.\n"),
502 --ask-password prompt for passwords.\n"),
508 -nd, --no-directories don't create directories.\n"),
510 -x, --force-directories force creation of directories.\n"),
512 -nH, --no-host-directories don't create host directories.\n"),
514 --protocol-directories use protocol name in directories.\n"),
516 -P, --directory-prefix=PREFIX save files to PREFIX/...\n"),
518 --cut-dirs=NUMBER ignore NUMBER remote directory components.\n"),
524 --http-user=USER set http user to USER.\n"),
526 --http-password=PASS set http password to PASS.\n"),
528 --no-cache disallow server-cached data.\n"),
530 --default-page=NAME Change the default page name (normally\n\
531 this is `index.html'.).\n"),
533 -E, --html-extension save HTML documents with `.html' extension.\n"),
535 --ignore-length ignore `Content-Length' header field.\n"),
537 --header=STRING insert STRING among the headers.\n"),
539 --max-redirect maximum redirections allowed per page.\n"),
541 --proxy-user=USER set USER as proxy username.\n"),
543 --proxy-password=PASS set PASS as proxy password.\n"),
545 --referer=URL include `Referer: URL' header in HTTP request.\n"),
547 --save-headers save the HTTP headers to file.\n"),
549 -U, --user-agent=AGENT identify as AGENT instead of Wget/VERSION.\n"),
551 --no-http-keep-alive disable HTTP keep-alive (persistent connections).\n"),
553 --no-cookies don't use cookies.\n"),
555 --load-cookies=FILE load cookies from FILE before session.\n"),
557 --save-cookies=FILE save cookies to FILE after session.\n"),
559 --keep-session-cookies load and save session (non-permanent) cookies.\n"),
561 --post-data=STRING use the POST method; send STRING as the data.\n"),
563 --post-file=FILE use the POST method; send contents of FILE.\n"),
565 --content-disposition honor the Content-Disposition header when\n\
566 choosing local file names (EXPERIMENTAL).\n"),
568 --auth-no-challenge Send Basic HTTP authentication information\n\
569 without first waiting for the server's\n\
575 HTTPS (SSL/TLS) options:\n"),
577 --secure-protocol=PR choose secure protocol, one of auto, SSLv2,\n\
578 SSLv3, and TLSv1.\n"),
580 --no-check-certificate don't validate the server's certificate.\n"),
582 --certificate=FILE client certificate file.\n"),
584 --certificate-type=TYPE client certificate type, PEM or DER.\n"),
586 --private-key=FILE private key file.\n"),
588 --private-key-type=TYPE private key type, PEM or DER.\n"),
590 --ca-certificate=FILE file with the bundle of CA's.\n"),
592 --ca-directory=DIR directory where hash list of CA's is stored.\n"),
594 --random-file=FILE file with random data for seeding the SSL PRNG.\n"),
596 --egd-file=FILE file naming the EGD socket with random data.\n"),
598 #endif /* HAVE_SSL */
604 --ftp-stmlf Use Stream_LF format for all binary FTP files.\n"),
605 #endif /* def __VMS */
607 --ftp-user=USER set ftp user to USER.\n"),
609 --ftp-password=PASS set ftp password to PASS.\n"),
611 --no-remove-listing don't remove `.listing' files.\n"),
613 --no-glob turn off FTP file name globbing.\n"),
615 --no-passive-ftp disable the \"passive\" transfer mode.\n"),
617 --retr-symlinks when recursing, get linked-to files (not dir).\n"),
619 --preserve-permissions preserve remote file permissions.\n"),
623 Recursive download:\n"),
625 -r, --recursive specify recursive download.\n"),
627 -l, --level=NUMBER maximum recursion depth (inf or 0 for infinite).\n"),
629 --delete-after delete files locally after downloading them.\n"),
631 -k, --convert-links make links in downloaded HTML or CSS point to\n\
635 -K, --backup-converted before converting file X, back up as X_orig.\n"),
636 #else /* def __VMS */
638 -K, --backup-converted before converting file X, back up as X.orig.\n"),
639 #endif /* def __VMS [else] */
641 -m, --mirror shortcut for -N -r -l inf --no-remove-listing.\n"),
643 -p, --page-requisites get all images, etc. needed to display HTML page.\n"),
645 --strict-comments turn on strict (SGML) handling of HTML comments.\n"),
649 Recursive accept/reject:\n"),
651 -A, --accept=LIST comma-separated list of accepted extensions.\n"),
653 -R, --reject=LIST comma-separated list of rejected extensions.\n"),
655 -D, --domains=LIST comma-separated list of accepted domains.\n"),
657 --exclude-domains=LIST comma-separated list of rejected domains.\n"),
659 --follow-ftp follow FTP links from HTML documents.\n"),
661 --follow-tags=LIST comma-separated list of followed HTML tags.\n"),
663 --ignore-tags=LIST comma-separated list of ignored HTML tags.\n"),
665 -H, --span-hosts go to foreign hosts when recursive.\n"),
667 -L, --relative follow relative links only.\n"),
669 -I, --include-directories=LIST list of allowed directories.\n"),
671 -X, --exclude-directories=LIST list of excluded directories.\n"),
673 -np, --no-parent don't ascend to the parent directory.\n"),
676 N_("Mail bug reports and suggestions to <bug-wget@gnu.org>.\n")
681 printf (_("GNU Wget %s, a non-interactive network retriever.\n"),
685 for (i = 0; i < countof (help); i++)
686 fputs (_(help[i]), stdout);
691 /* Return a human-readable printed representation of INTERVAL,
692 measured in seconds. */
695 secs_to_human_time (double interval)
698 int secs = (int) (interval + 0.5);
699 int hours, mins, days;
701 days = secs / 86400, secs %= 86400;
702 hours = secs / 3600, secs %= 3600;
703 mins = secs / 60, secs %= 60;
706 sprintf (buf, "%dd %dh %dm %ds", days, hours, mins, secs);
708 sprintf (buf, "%dh %dm %ds", hours, mins, secs);
710 sprintf (buf, "%dm %ds", mins, secs);
712 sprintf (buf, "%ss", print_decimal (interval));
718 prompt_for_password (void)
721 printf (_("Password for user %s: "), quote (opt.user));
723 printf (_("Password: "));
727 /* Function that prints the line argument while limiting it
728 to at most line_length. prefix is printed on the first line
729 and an appropriate number of spaces are added on subsequent
732 format_and_print_line (const char *prefix, const char *line,
736 char *line_dup, *token;
738 assert (prefix != NULL);
739 assert (line != NULL);
741 line_dup = xstrdup (line);
743 if (line_length <= 0)
744 line_length = MAX_CHARS_PER_LINE - TABULATION;
746 printf ("%s", prefix);
747 remaining_chars = line_length;
748 /* We break on spaces. */
749 token = strtok (line_dup, " ");
750 while (token != NULL)
752 /* If however a token is much larger than the maximum
753 line length, all bets are off and we simply print the
754 token on the next line. */
755 if (remaining_chars <= strlen (token))
757 printf ("\n%*c", TABULATION, ' ');
758 remaining_chars = line_length - TABULATION;
760 printf ("%s ", token);
761 remaining_chars -= strlen (token) + 1; /* account for " " */
762 token = strtok (NULL, " ");
773 const char *wgetrc_title = _("Wgetrc: ");
774 const char *locale_title = _("Locale: ");
775 const char *compile_title = _("Compile: ");
776 const char *link_title = _("Link: ");
778 char *env_wgetrc, *user_wgetrc;
782 printf (_("GNU Wget %s built on VMS %s %s.\n\n"),
783 version_string, vms_arch(), vms_vers());
784 #else /* def __VMS */
785 printf (_("GNU Wget %s built on %s.\n\n"), version_string, OS_TYPE);
786 #endif /* def __VMS */
787 /* compiled_features is a char*[]. We limit the characters per
788 line to MAX_CHARS_PER_LINE and prefix each line with a constant
789 number of spaces for proper alignment. */
790 for (i = 0; compiled_features[i] != NULL; )
792 int line_length = MAX_CHARS_PER_LINE;
793 while ((line_length > 0) && (compiled_features[i] != NULL))
795 printf ("%s ", compiled_features[i]);
796 line_length -= strlen (compiled_features[i]) + 2;
802 /* Handle the case when $WGETRC is unset and $HOME/.wgetrc is
804 printf ("%s\n", wgetrc_title);
805 env_wgetrc = wgetrc_env_file_name ();
806 if (env_wgetrc && *env_wgetrc)
808 printf (_(" %s (env)\n"), env_wgetrc);
811 user_wgetrc = wgetrc_user_file_name ();
814 printf (_(" %s (user)\n"), user_wgetrc);
818 printf (_(" %s (system)\n"), SYSTEM_WGETRC);
821 format_and_print_line (locale_title,
825 format_and_print_line (compile_title,
829 format_and_print_line (link_title,
834 /* TRANSLATORS: When available, an actual copyright character
835 (cirle-c) should be used in preference to "(C)". */
837 Copyright (C) 2009 Free Software Foundation, Inc.\n"), stdout);
839 License GPLv3+: GNU GPL version 3 or later\n\
840 <http://www.gnu.org/licenses/gpl.html>.\n\
841 This is free software: you are free to change and redistribute it.\n\
842 There is NO WARRANTY, to the extent permitted by law.\n"), stdout);
843 /* TRANSLATORS: When available, please use the proper diacritics for
844 names such as this one. See en_US.po for reference. */
845 fputs (_("\nOriginally written by Hrvoje Niksic <hniksic@xemacs.org>.\n"),
847 fputs (_("Currently maintained by Micah Cowan <micah@cowan.name>.\n"),
849 fputs (_("Please send bug reports and questions to <bug-wget@gnu.org>.\n"),
854 char *program_name; /* Needed by lib/error.c. */
857 main (int argc, char **argv)
860 int i, ret, longindex;
862 bool append_to_log = false;
864 program_name = argv[0];
868 /* Construct the name of the executable, without the directory part. */
869 exec_name = strrchr (argv[0], PATH_SEPARATOR);
876 /* Drop extension (typically .EXE) from executable filename. */
877 windows_main ((char **) &exec_name);
880 /* Set option defaults; read the system wgetrc and ~/.wgetrc. */
885 while ((ret = getopt_long (argc, argv,
886 short_options, long_options, &longindex)) != -1)
889 struct cmdline_option *opt;
891 /* If LONGINDEX is unchanged, it means RET is referring a short
899 printf (_("Try `%s --help' for more options.\n"), exec_name);
902 /* Find the short option character in the mapping. */
903 longindex = optmap[ret - 32];
905 val = long_options[longindex].val;
907 /* Use the retrieved value to locate the option in the
908 option_data array, and to see if we're dealing with the
909 negated "--no-FOO" variant of the boolean option "--foo". */
910 opt = &option_data[val & ~BOOLEAN_NEG_MARKER];
914 setoptval (opt->data, optarg, opt->long_name);
918 /* The user has specified a value -- use it. */
919 setoptval (opt->data, optarg, opt->long_name);
922 /* NEG is true for `--no-FOO' style boolean options. */
923 bool neg = !!(val & BOOLEAN_NEG_MARKER);
924 setoptval (opt->data, neg ? "0" : "1", opt->long_name);
929 void (*func) (void) = (void (*) (void)) opt->data;
933 case OPT__APPEND_OUTPUT:
934 setoptval ("logfile", optarg, opt->long_name);
935 append_to_log = true;
938 run_command (optarg);
942 /* We support real --no-FOO flags now, but keep these
943 short options for convenience and backward
946 for (p = optarg; *p; p++)
950 setoptval ("verbose", "0", opt->long_name);
953 setoptval ("addhostdir", "0", opt->long_name);
956 setoptval ("dirstruct", "0", opt->long_name);
959 setoptval ("noclobber", "1", opt->long_name);
962 setoptval ("noparent", "1", opt->long_name);
965 printf (_("%s: illegal option -- `-n%c'\n"), exec_name, *p);
968 printf (_("Try `%s --help' for more options.\n"), exec_name);
976 /* The wgetrc commands are named noparent and noclobber,
977 so we must revert the meaning of the cmdline options
978 before passing the value to setoptval. */
981 flag = (*optarg == '1' || c_tolower (*optarg) == 'y'
982 || (c_tolower (optarg[0]) == 'o'
983 && c_tolower (optarg[1]) == 'n'));
984 setoptval (opt->type == OPT__PARENT ? "noparent" : "noclobber",
985 flag ? "0" : "1", opt->long_name);
988 case OPT__DONT_REMOVE_LISTING:
989 setoptval ("removelisting", "0", opt->long_name);
996 nurl = argc - optind;
998 /* All user options have now been processed, so it's now safe to do
999 interoption dependency checks. */
1001 if (opt.reclevel == 0)
1002 opt.reclevel = INFINITE_RECURSION; /* see recur.h for commentary */
1004 if (opt.spider || opt.delete_after)
1005 opt.no_dirstruct = true;
1007 if (opt.page_requisites && !opt.recursive)
1009 /* Don't set opt.recursive here because it would confuse the FTP
1010 code. Instead, call retrieve_tree below when either
1011 page_requisites or recursive is requested. */
1013 if (!opt.no_dirstruct)
1014 opt.dirstruct = 1; /* normally handled by cmd_spec_recursive() */
1017 if (opt.verbose == -1)
1018 opt.verbose = !opt.quiet;
1020 /* Sanity checks. */
1021 if (opt.verbose && opt.quiet)
1023 printf (_("Can't be verbose and quiet at the same time.\n"));
1027 if (opt.timestamping && opt.noclobber)
1030 Can't timestamp and not clobber old files at the same time.\n"));
1035 if (opt.ipv4_only && opt.ipv6_only)
1037 printf (_("Cannot specify both --inet4-only and --inet6-only.\n"));
1042 if (opt.output_document)
1044 if (opt.convert_links
1045 && (nurl > 1 || opt.page_requisites || opt.recursive))
1048 Cannot specify both -k and -O if multiple URLs are given, or in combination\n\
1049 with -p or -r. See the manual for details.\n\n"), stdout);
1053 if (opt.page_requisites
1056 logprintf (LOG_NOTQUIET, "%s", _("\
1057 WARNING: combining -O with -r or -p will mean that all downloaded content\n\
1058 will be placed in the single file you specified.\n\n"));
1060 if (opt.timestamping)
1062 logprintf (LOG_NOTQUIET, "%s", _("\
1063 WARNING: timestamping does nothing in combination with -O. See the manual\n\
1064 for details.\n\n"));
1065 opt.timestamping = false;
1067 if (opt.noclobber && file_exists_p(opt.output_document))
1069 /* Check if output file exists; if it does, exit. */
1070 logprintf (LOG_VERBOSE, _("File `%s' already there; not retrieving.\n"), opt.output_document);
1075 if (opt.ask_passwd && opt.passwd)
1077 printf (_("Cannot specify both --ask-password and --password.\n"));
1082 if (!nurl && !opt.input_filename)
1084 /* No URL specified. */
1085 printf (_("%s: missing URL\n"), exec_name);
1088 /* #### Something nicer should be printed here -- similar to the
1089 pre-1.5 `--help' page. */
1090 printf (_("Try `%s --help' for more options.\n"), exec_name);
1097 if (opt.locale && !check_encoding_name (opt.locale))
1101 opt.locale = find_locale ();
1103 if (opt.encoding_remote && !check_encoding_name (opt.encoding_remote))
1104 opt.encoding_remote = NULL;
1107 if (opt.enable_iri || opt.locale || opt.encoding_remote)
1109 /* sXXXav : be more specific... */
1110 printf(_("This version does not have support for IRIs\n"));
1117 opt.passwd = prompt_for_password ();
1119 if (opt.passwd == NULL || opt.passwd[0] == '\0')
1129 fork_to_background ();
1132 /* Initialize progress. Have to do this after the options are
1133 processed so we know where the log file is. */
1135 set_progress_implementation (opt.progress_type);
1137 /* Fill in the arguments. */
1138 url = alloca_array (char *, nurl + 1);
1139 for (i = 0; i < nurl; i++, optind++)
1141 char *rewritten = rewrite_shorthand_url (argv[optind]);
1145 url[i] = xstrdup (argv[optind]);
1149 /* Initialize logging. */
1150 log_init (opt.lfilename, append_to_log);
1152 DEBUGP (("DEBUG output created by Wget %s on %s.\n\n",
1153 version_string, OS_TYPE));
1155 /* Open the output filename if necessary. */
1158 Note that having the output_stream ("-O") file opened here for an FTP
1159 URL rather than in getftp() (ftp.c) (and the http equivalent) rather
1160 limits the ability in VMS to open the file differently for ASCII
1161 versus binary FTP there. (Of course, doing it here allows a open
1162 failure to be detected immediately, without first connecting to the
1165 if (opt.output_document)
1167 if (HYPHENP (opt.output_document))
1171 result = freopen ("CONOUT$", "wb", stdout);
1174 logputs (LOG_NOTQUIET, _("\
1175 WARNING: Can't reopen standard output in binary mode;\n\
1176 downloaded file may contain inappropriate line endings.\n"));
1179 output_stream = stdout;
1186 /* Common fopen() optional arguments:
1187 sequential access only, access callback function.
1189 # define FOPEN_OPT_ARGS , "fop=sqo", "acc", acc_cb, &open_id
1191 #else /* def __VMS */
1192 # define FOPEN_OPT_ARGS
1193 #endif /* def __VMS [else] */
1195 output_stream = fopen (opt.output_document,
1196 opt.always_rest ? "ab" : "wb"
1198 if (output_stream == NULL)
1200 perror (opt.output_document);
1203 if (fstat (fileno (output_stream), &st) == 0 && S_ISREG (st.st_mode))
1204 output_stream_regular = true;
1209 /* Set global ODS5 flag according to the specified destination (if
1210 any), otherwise according to the current default device.
1212 if (output_stream == NULL)
1214 set_ods5_dest( "SYS$DISK");
1216 else if (output_stream != stdout)
1218 set_ods5_dest( opt.output_document);
1220 #endif /* def __VMS */
1227 /* Setup the signal handler to redirect output when hangup is
1229 if (signal(SIGHUP, SIG_IGN) != SIG_IGN)
1230 signal(SIGHUP, redirect_output_signal);
1232 /* ...and do the same for SIGUSR1. */
1234 signal (SIGUSR1, redirect_output_signal);
1237 /* Writing to a closed socket normally signals SIGPIPE, and the
1238 process exits. What we want is to ignore SIGPIPE and just check
1239 for the return value of write(). */
1240 signal (SIGPIPE, SIG_IGN);
1243 signal (SIGWINCH, progress_handle_sigwinch);
1246 status = RETROK; /* initialize it, just-in-case */
1247 /* Retrieve the URLs from argument list. */
1248 for (t = url; *t; t++)
1250 char *filename = NULL, *redirected_URL = NULL;
1252 /* Need to do a new struct iri every time, because
1253 * retrieve_url may modify it in some circumstances,
1255 struct iri *iri = iri_new ();
1256 struct url *url_parsed;
1258 set_uri_encoding (iri, opt.locale, true);
1259 url_parsed = url_parse (*t, &url_err, iri, true);
1263 char *error = url_error (*t, url_err);
1264 logprintf (LOG_NOTQUIET, "%s: %s.\n",*t, error);
1270 if ((opt.recursive || opt.page_requisites)
1271 && (url_scheme (*t) != SCHEME_FTP || url_uses_proxy (url_parsed)))
1273 int old_follow_ftp = opt.follow_ftp;
1275 /* Turn opt.follow_ftp on in case of recursive FTP retrieval */
1276 if (url_scheme (*t) == SCHEME_FTP)
1279 status = retrieve_tree (url_parsed, NULL);
1281 opt.follow_ftp = old_follow_ftp;
1285 status = retrieve_url (url_parsed, *t, &filename, &redirected_URL,
1286 NULL, &dt, opt.recursive, iri);
1289 if (opt.delete_after && file_exists_p(filename))
1291 DEBUGP (("Removing file due to --delete-after in main():\n"));
1292 logprintf (LOG_VERBOSE, _("Removing %s.\n"), filename);
1293 if (unlink (filename))
1294 logprintf (LOG_NOTQUIET, "unlink: %s\n", strerror (errno));
1296 xfree_null (redirected_URL);
1297 xfree_null (filename);
1298 url_free (url_parsed);
1303 /* And then from the input file, if any. */
1304 if (opt.input_filename)
1307 status = retrieve_from_file (opt.input_filename, opt.force_html, &count);
1309 logprintf (LOG_NOTQUIET, _("No URLs found in %s.\n"),
1310 opt.input_filename);
1313 /* Print broken links. */
1314 if (opt.recursive && opt.spider)
1316 print_broken_links();
1319 /* Print the downloaded sum. */
1320 if ((opt.recursive || opt.page_requisites
1322 || (opt.input_filename && total_downloaded_bytes != 0))
1324 total_downloaded_bytes != 0)
1326 logprintf (LOG_NOTQUIET,
1327 _("FINISHED --%s--\nDownloaded: %d files, %s in %s (%s)\n"),
1328 datetime_str (time (NULL)),
1330 human_readable (total_downloaded_bytes),
1331 secs_to_human_time (total_download_time),
1332 retr_rate (total_downloaded_bytes, total_download_time));
1333 /* Print quota warning, if exceeded. */
1334 if (opt.quota && total_downloaded_bytes > opt.quota)
1335 logprintf (LOG_NOTQUIET,
1336 _("Download quota of %s EXCEEDED!\n"),
1337 human_readable (opt.quota));
1340 if (opt.cookies_output)
1343 if (opt.convert_links && !opt.delete_after)
1344 convert_all_links ();
1347 for (i = 0; i < nurl; i++)
1351 if (status == RETROK)
1356 #endif /* TESTING */
1358 #if defined(SIGHUP) || defined(SIGUSR1)
1360 /* So the signal_name check doesn't blow when only one is available. */
1368 /* Hangup signal handler. When wget receives SIGHUP or SIGUSR1, it
1369 will proceed operation as usual, trying to write into a log file.
1370 If that is impossible, the output will be turned off. */
1373 redirect_output_signal (int sig)
1375 const char *signal_name = (sig == SIGHUP ? "SIGHUP" :
1376 (sig == SIGUSR1 ? "SIGUSR1" :
1378 log_request_redirect_output (signal_name);
1379 progress_schedule_redirect ();
1380 signal (sig, redirect_output_signal);