1 /* Command line parsing.
2 Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
3 2004, 2005, 2006, 2007, 2008 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 */
62 #ifndef PATH_SEPARATOR
63 # define PATH_SEPARATOR '/'
68 /* defined in version.c */
69 extern char *version_string;
70 extern char *compilation_string;
71 extern char *system_getrc;
72 extern char *link_string;
73 /* defined in build_info.c */
74 extern char *compiled_features[];
75 extern char *system_wgetrc;
76 extern char *locale_dir;
77 /* Used for --version output in print_version */
78 static const int max_chars_per_line = 72;
80 #if defined(SIGHUP) || defined(SIGUSR1)
81 static void redirect_output_signal (int);
84 const char *exec_name;
87 /* Initialize I18N/L10N. That amounts to invoking setlocale, and
88 setting up gettext's message catalog using bindtextdomain and
89 textdomain. Does nothing if NLS is disabled or missing. */
92 i18n_initialize (void)
94 /* ENABLE_NLS implies existence of functions invoked here. */
96 /* Set the current locale. */
97 setlocale (LC_ALL, "");
98 /* Set the text message domain. */
99 bindtextdomain ("wget", LOCALEDIR);
101 #endif /* ENABLE_NLS */
104 /* Definition of command-line options. */
106 static void print_help (void);
107 static void print_version (void);
112 # define IF_SSL(x) NULL
116 # define WHEN_DEBUG(x) x
118 # define WHEN_DEBUG(x) NULL
121 struct cmdline_option {
122 const char *long_name;
128 /* Non-standard options that have to be handled specially in
132 OPT__DONT_REMOVE_LISTING,
137 const void *data; /* for standard options */
138 int argtype; /* for non-standard options */
141 static struct cmdline_option option_data[] =
143 { "accept", 'A', OPT_VALUE, "accept", -1 },
144 { "append-output", 'a', OPT__APPEND_OUTPUT, NULL, required_argument },
145 { "ask-password", 0, OPT_BOOLEAN, "askpassword", -1 },
146 { "auth-no-challenge", 0, OPT_BOOLEAN, "authnochallenge", -1 },
147 { "background", 'b', OPT_BOOLEAN, "background", -1 },
148 { "backup-converted", 'K', OPT_BOOLEAN, "backupconverted", -1 },
149 { "backups", 0, OPT_BOOLEAN, "backups", -1 },
150 { "base", 'B', OPT_VALUE, "base", -1 },
151 { "bind-address", 0, OPT_VALUE, "bindaddress", -1 },
152 { IF_SSL ("ca-certificate"), 0, OPT_VALUE, "cacertificate", -1 },
153 { IF_SSL ("ca-directory"), 0, OPT_VALUE, "cadirectory", -1 },
154 { "cache", 0, OPT_BOOLEAN, "cache", -1 },
155 { IF_SSL ("certificate"), 0, OPT_VALUE, "certificate", -1 },
156 { IF_SSL ("certificate-type"), 0, OPT_VALUE, "certificatetype", -1 },
157 { IF_SSL ("check-certificate"), 0, OPT_BOOLEAN, "checkcertificate", -1 },
158 { "clobber", 0, OPT__CLOBBER, NULL, optional_argument },
159 { "connect-timeout", 0, OPT_VALUE, "connecttimeout", -1 },
160 { "continue", 'c', OPT_BOOLEAN, "continue", -1 },
161 { "convert-links", 'k', OPT_BOOLEAN, "convertlinks", -1 },
162 { "content-disposition", 0, OPT_BOOLEAN, "contentdisposition", -1 },
163 { "cookies", 0, OPT_BOOLEAN, "cookies", -1 },
164 { "cut-dirs", 0, OPT_VALUE, "cutdirs", -1 },
165 { WHEN_DEBUG ("debug"), 'd', OPT_BOOLEAN, "debug", -1 },
166 { "delete-after", 0, OPT_BOOLEAN, "deleteafter", -1 },
167 { "directories", 0, OPT_BOOLEAN, "dirstruct", -1 },
168 { "directory-prefix", 'P', OPT_VALUE, "dirprefix", -1 },
169 { "dns-cache", 0, OPT_BOOLEAN, "dnscache", -1 },
170 { "dns-timeout", 0, OPT_VALUE, "dnstimeout", -1 },
171 { "domains", 'D', OPT_VALUE, "domains", -1 },
172 { "dont-remove-listing", 0, OPT__DONT_REMOVE_LISTING, NULL, no_argument },
173 { "dot-style", 0, OPT_VALUE, "dotstyle", -1 },
174 { "egd-file", 0, OPT_VALUE, "egdfile", -1 },
175 { "exclude-directories", 'X', OPT_VALUE, "excludedirectories", -1 },
176 { "exclude-domains", 0, OPT_VALUE, "excludedomains", -1 },
177 { "execute", 'e', OPT__EXECUTE, NULL, required_argument },
178 { "follow-ftp", 0, OPT_BOOLEAN, "followftp", -1 },
179 { "follow-tags", 0, OPT_VALUE, "followtags", -1 },
180 { "force-directories", 'x', OPT_BOOLEAN, "dirstruct", -1 },
181 { "force-html", 'F', OPT_BOOLEAN, "forcehtml", -1 },
182 { "ftp-password", 0, OPT_VALUE, "ftppassword", -1 },
183 { "ftp-user", 0, OPT_VALUE, "ftpuser", -1 },
184 { "glob", 0, OPT_BOOLEAN, "glob", -1 },
185 { "header", 0, OPT_VALUE, "header", -1 },
186 { "help", 'h', OPT_FUNCALL, (void *)print_help, no_argument },
187 { "host-directories", 0, OPT_BOOLEAN, "addhostdir", -1 },
188 { "html-extension", 'E', OPT_BOOLEAN, "htmlextension", -1 },
189 { "htmlify", 0, OPT_BOOLEAN, "htmlify", -1 },
190 { "http-keep-alive", 0, OPT_BOOLEAN, "httpkeepalive", -1 },
191 { "http-passwd", 0, OPT_VALUE, "httppassword", -1 }, /* deprecated */
192 { "http-password", 0, OPT_VALUE, "httppassword", -1 },
193 { "http-user", 0, OPT_VALUE, "httpuser", -1 },
194 { "ignore-case", 0, OPT_BOOLEAN, "ignorecase", -1 },
195 { "ignore-length", 0, OPT_BOOLEAN, "ignorelength", -1 },
196 { "ignore-tags", 0, OPT_VALUE, "ignoretags", -1 },
197 { "include-directories", 'I', OPT_VALUE, "includedirectories", -1 },
199 { "inet4-only", '4', OPT_BOOLEAN, "inet4only", -1 },
200 { "inet6-only", '6', OPT_BOOLEAN, "inet6only", -1 },
202 { "input-file", 'i', OPT_VALUE, "input", -1 },
203 { "iri", 0, OPT_BOOLEAN, "iri", -1 },
204 { "keep-session-cookies", 0, OPT_BOOLEAN, "keepsessioncookies", -1 },
205 { "level", 'l', OPT_VALUE, "reclevel", -1 },
206 { "limit-rate", 0, OPT_VALUE, "limitrate", -1 },
207 { "load-cookies", 0, OPT_VALUE, "loadcookies", -1 },
208 { "locale", 0, OPT_VALUE, "locale", -1 },
209 { "max-redirect", 0, OPT_VALUE, "maxredirect", -1 },
210 { "mirror", 'm', OPT_BOOLEAN, "mirror", -1 },
211 { "no", 'n', OPT__NO, NULL, required_argument },
212 { "no-clobber", 0, OPT_BOOLEAN, "noclobber", -1 },
213 { "no-parent", 0, OPT_BOOLEAN, "noparent", -1 },
214 { "output-document", 'O', OPT_VALUE, "outputdocument", -1 },
215 { "output-file", 'o', OPT_VALUE, "logfile", -1 },
216 { "page-requisites", 'p', OPT_BOOLEAN, "pagerequisites", -1 },
217 { "parent", 0, OPT__PARENT, NULL, optional_argument },
218 { "passive-ftp", 0, OPT_BOOLEAN, "passiveftp", -1 },
219 { "password", 0, OPT_VALUE, "password", -1 },
220 { "post-data", 0, OPT_VALUE, "postdata", -1 },
221 { "post-file", 0, OPT_VALUE, "postfile", -1 },
222 { "prefer-family", 0, OPT_VALUE, "preferfamily", -1 },
223 { "preserve-permissions", 0, OPT_BOOLEAN, "preservepermissions", -1 },
224 { IF_SSL ("private-key"), 0, OPT_VALUE, "privatekey", -1 },
225 { IF_SSL ("private-key-type"), 0, OPT_VALUE, "privatekeytype", -1 },
226 { "progress", 0, OPT_VALUE, "progress", -1 },
227 { "protocol-directories", 0, OPT_BOOLEAN, "protocoldirectories", -1 },
228 { "proxy", 0, OPT_BOOLEAN, "useproxy", -1 },
229 { "proxy__compat", 'Y', OPT_VALUE, "useproxy", -1 }, /* back-compatible */
230 { "proxy-passwd", 0, OPT_VALUE, "proxypassword", -1 }, /* deprecated */
231 { "proxy-password", 0, OPT_VALUE, "proxypassword", -1 },
232 { "proxy-user", 0, OPT_VALUE, "proxyuser", -1 },
233 { "quiet", 'q', OPT_BOOLEAN, "quiet", -1 },
234 { "quota", 'Q', OPT_VALUE, "quota", -1 },
235 { "random-file", 0, OPT_VALUE, "randomfile", -1 },
236 { "random-wait", 0, OPT_BOOLEAN, "randomwait", -1 },
237 { "read-timeout", 0, OPT_VALUE, "readtimeout", -1 },
238 { "recursive", 'r', OPT_BOOLEAN, "recursive", -1 },
239 { "referer", 0, OPT_VALUE, "referer", -1 },
240 { "reject", 'R', OPT_VALUE, "reject", -1 },
241 { "relative", 'L', OPT_BOOLEAN, "relativeonly", -1 },
242 { "remote-encoding", 0, OPT_VALUE, "remoteencoding", -1},
243 { "remove-listing", 0, OPT_BOOLEAN, "removelisting", -1 },
244 { "restrict-file-names", 0, OPT_BOOLEAN, "restrictfilenames", -1 },
245 { "retr-symlinks", 0, OPT_BOOLEAN, "retrsymlinks", -1 },
246 { "retry-connrefused", 0, OPT_BOOLEAN, "retryconnrefused", -1 },
247 { "save-cookies", 0, OPT_VALUE, "savecookies", -1 },
248 { "save-headers", 0, OPT_BOOLEAN, "saveheaders", -1 },
249 { IF_SSL ("secure-protocol"), 0, OPT_VALUE, "secureprotocol", -1 },
250 { "server-response", 'S', OPT_BOOLEAN, "serverresponse", -1 },
251 { "span-hosts", 'H', OPT_BOOLEAN, "spanhosts", -1 },
252 { "spider", 0, OPT_BOOLEAN, "spider", -1 },
253 { "strict-comments", 0, OPT_BOOLEAN, "strictcomments", -1 },
254 { "timeout", 'T', OPT_VALUE, "timeout", -1 },
255 { "timestamping", 'N', OPT_BOOLEAN, "timestamping", -1 },
256 { "tries", 't', OPT_VALUE, "tries", -1 },
257 { "user", 0, OPT_VALUE, "user", -1 },
258 { "user-agent", 'U', OPT_VALUE, "useragent", -1 },
259 { "verbose", 'v', OPT_BOOLEAN, "verbose", -1 },
260 { "verbose", 0, OPT_BOOLEAN, "verbose", -1 },
261 { "version", 'V', OPT_FUNCALL, (void *) print_version, no_argument },
262 { "wait", 'w', OPT_VALUE, "wait", -1 },
263 { "waitretry", 0, OPT_VALUE, "waitretry", -1 },
265 { "wdebug", 0, OPT_BOOLEAN, "wdebug", -1 },
272 /* Return a string that contains S with "no-" prepended. The string
273 is NUL-terminated and allocated off static storage at Wget
277 no_prefix (const char *s)
279 static char buffer[1024];
280 static char *p = buffer;
283 int size = 3 + strlen (s) + 1; /* "no-STRING\0" */
284 if (p + size >= buffer + sizeof (buffer))
287 cp[0] = 'n', cp[1] = 'o', cp[2] = '-';
293 /* The arguments that that main passes to getopt_long. */
294 static struct option long_options[2 * countof (option_data) + 1];
295 static char short_options[128];
297 /* Mapping between short option chars and option_data indices. */
298 static unsigned char optmap[96];
300 /* Marker for `--no-FOO' values in long_options. */
301 #define BOOLEAN_NEG_MARKER 1024
303 /* Initialize the long_options array used by getopt_long from the data
309 char *p = short_options;
311 for (i = 0; i < countof (option_data); i++)
313 struct cmdline_option *opt = &option_data[i];
314 struct option *longopt;
317 /* The option is disabled. */
320 longopt = &long_options[o++];
321 longopt->name = opt->long_name;
325 *p++ = opt->short_name;
326 optmap[opt->short_name - 32] = longopt - long_options;
331 longopt->has_arg = required_argument;
336 /* Specify an optional argument for long options, so that
337 --option=off works the same as --no-option, for
338 compatibility with pre-1.10 Wget. However, don't specify
339 optional arguments short-option booleans because they
340 prevent combining of short options. */
341 longopt->has_arg = optional_argument;
342 /* For Boolean options, add the "--no-FOO" variant, which is
343 identical to "--foo", except it has opposite meaning and
344 it doesn't allow an argument. */
345 longopt = &long_options[o++];
346 longopt->name = no_prefix (opt->long_name);
347 longopt->has_arg = no_argument;
348 /* Mask the value so we'll be able to recognize that we're
349 dealing with the false value. */
350 longopt->val = i | BOOLEAN_NEG_MARKER;
353 assert (opt->argtype != -1);
354 longopt->has_arg = opt->argtype;
357 if (longopt->has_arg == required_argument)
359 /* Don't handle optional_argument */
363 /* Terminate short_options. */
365 /* No need for xzero(long_options[o]) because its storage is static
366 and it will be zeroed by default. */
367 assert (o <= countof (long_options));
370 /* Print the usage message. */
374 printf (_("Usage: %s [OPTION]... [URL]...\n"), exec_name);
377 /* Print the help message, describing all the available options. If
378 you add an option, be sure to update this list. */
382 /* We split the help text this way to ease translation of individual
384 static const char *help[] = {
387 Mandatory arguments to long options are mandatory for short options too.\n\n"),
391 -V, --version display the version of Wget and exit.\n"),
393 -h, --help print this help.\n"),
395 -b, --background go to background after startup.\n"),
397 -e, --execute=COMMAND execute a `.wgetrc'-style command.\n"),
401 Logging and input file:\n"),
403 -o, --output-file=FILE log messages to FILE.\n"),
405 -a, --append-output=FILE append messages to FILE.\n"),
408 -d, --debug print lots of debugging information.\n"),
412 --wdebug print Watt-32 debug output.\n"),
415 -q, --quiet quiet (no output).\n"),
417 -v, --verbose be verbose (this is the default).\n"),
419 -nv, --no-verbose turn off verboseness, without being quiet.\n"),
421 -i, --input-file=FILE download URLs found in local or external FILE.\n"),
423 -F, --force-html treat input file as HTML.\n"),
425 -B, --base=URL prepends URL to relative links in -F -i file.\n"),
431 -t, --tries=NUMBER set number of retries to NUMBER (0 unlimits).\n"),
433 --retry-connrefused retry even if connection is refused.\n"),
435 -O, --output-document=FILE write documents to FILE.\n"),
437 -nc, --no-clobber skip downloads that would download to\n\
440 -c, --continue resume getting a partially-downloaded file.\n"),
442 --progress=TYPE select progress gauge type.\n"),
444 -N, --timestamping don't re-retrieve files unless newer than\n\
447 -S, --server-response print server response.\n"),
449 --spider don't download anything.\n"),
451 -T, --timeout=SECONDS set all timeout values to SECONDS.\n"),
453 --dns-timeout=SECS set the DNS lookup timeout to SECS.\n"),
455 --connect-timeout=SECS set the connect timeout to SECS.\n"),
457 --read-timeout=SECS set the read timeout to SECS.\n"),
459 -w, --wait=SECONDS wait SECONDS between retrievals.\n"),
461 --waitretry=SECONDS wait 1..SECONDS between retries of a retrieval.\n"),
463 --random-wait wait from 0...2*WAIT secs between retrievals.\n"),
465 --no-proxy explicitly turn off proxy.\n"),
467 -Q, --quota=NUMBER set retrieval quota to NUMBER.\n"),
469 --bind-address=ADDRESS bind to ADDRESS (hostname or IP) on local host.\n"),
471 --limit-rate=RATE limit download rate to RATE.\n"),
473 --no-dns-cache disable caching DNS lookups.\n"),
475 --restrict-file-names=OS restrict chars in file names to ones OS allows.\n"),
477 --ignore-case ignore case when matching files/directories.\n"),
480 -4, --inet4-only connect only to IPv4 addresses.\n"),
482 -6, --inet6-only connect only to IPv6 addresses.\n"),
484 --prefer-family=FAMILY connect first to addresses of specified family,\n\
485 one of IPv6, IPv4, or none.\n"),
488 --user=USER set both ftp and http user to USER.\n"),
490 --password=PASS set both ftp and http password to PASS.\n"),
492 --ask-password prompt for passwords.\n"),
498 -nd, --no-directories don't create directories.\n"),
500 -x, --force-directories force creation of directories.\n"),
502 -nH, --no-host-directories don't create host directories.\n"),
504 --protocol-directories use protocol name in directories.\n"),
506 -P, --directory-prefix=PREFIX save files to PREFIX/...\n"),
508 --cut-dirs=NUMBER ignore NUMBER remote directory components.\n"),
514 --http-user=USER set http user to USER.\n"),
516 --http-password=PASS set http password to PASS.\n"),
518 --no-cache disallow server-cached data.\n"),
520 -E, --html-extension save HTML documents with `.html' extension.\n"),
522 --ignore-length ignore `Content-Length' header field.\n"),
524 --header=STRING insert STRING among the headers.\n"),
526 --max-redirect maximum redirections allowed per page.\n"),
528 --proxy-user=USER set USER as proxy username.\n"),
530 --proxy-password=PASS set PASS as proxy password.\n"),
532 --referer=URL include `Referer: URL' header in HTTP request.\n"),
534 --save-headers save the HTTP headers to file.\n"),
536 -U, --user-agent=AGENT identify as AGENT instead of Wget/VERSION.\n"),
538 --no-http-keep-alive disable HTTP keep-alive (persistent connections).\n"),
540 --no-cookies don't use cookies.\n"),
542 --load-cookies=FILE load cookies from FILE before session.\n"),
544 --save-cookies=FILE save cookies to FILE after session.\n"),
546 --keep-session-cookies load and save session (non-permanent) cookies.\n"),
548 --post-data=STRING use the POST method; send STRING as the data.\n"),
550 --post-file=FILE use the POST method; send contents of FILE.\n"),
552 --content-disposition honor the Content-Disposition header when\n\
553 choosing local file names (EXPERIMENTAL).\n"),
555 --auth-no-challenge Send Basic HTTP authentication information\n\
556 without first waiting for the server's\n\
562 HTTPS (SSL/TLS) options:\n"),
564 --secure-protocol=PR choose secure protocol, one of auto, SSLv2,\n\
565 SSLv3, and TLSv1.\n"),
567 --no-check-certificate don't validate the server's certificate.\n"),
569 --certificate=FILE client certificate file.\n"),
571 --certificate-type=TYPE client certificate type, PEM or DER.\n"),
573 --private-key=FILE private key file.\n"),
575 --private-key-type=TYPE private key type, PEM or DER.\n"),
577 --ca-certificate=FILE file with the bundle of CA's.\n"),
579 --ca-directory=DIR directory where hash list of CA's is stored.\n"),
581 --random-file=FILE file with random data for seeding the SSL PRNG.\n"),
583 --egd-file=FILE file naming the EGD socket with random data.\n"),
585 #endif /* HAVE_SSL */
590 --ftp-user=USER set ftp user to USER.\n"),
592 --ftp-password=PASS set ftp password to PASS.\n"),
594 --no-remove-listing don't remove `.listing' files.\n"),
596 --no-glob turn off FTP file name globbing.\n"),
598 --no-passive-ftp disable the \"passive\" transfer mode.\n"),
600 --retr-symlinks when recursing, get linked-to files (not dir).\n"),
602 --preserve-permissions preserve remote file permissions.\n"),
606 Recursive download:\n"),
608 -r, --recursive specify recursive download.\n"),
610 -l, --level=NUMBER maximum recursion depth (inf or 0 for infinite).\n"),
612 --delete-after delete files locally after downloading them.\n"),
614 -k, --convert-links make links in downloaded HTML or CSS point to\n\
617 -K, --backup-converted before converting file X, back up as X.orig.\n"),
619 -m, --mirror shortcut for -N -r -l inf --no-remove-listing.\n"),
621 -p, --page-requisites get all images, etc. needed to display HTML page.\n"),
623 --strict-comments turn on strict (SGML) handling of HTML comments.\n"),
627 Recursive accept/reject:\n"),
629 -A, --accept=LIST comma-separated list of accepted extensions.\n"),
631 -R, --reject=LIST comma-separated list of rejected extensions.\n"),
633 -D, --domains=LIST comma-separated list of accepted domains.\n"),
635 --exclude-domains=LIST comma-separated list of rejected domains.\n"),
637 --follow-ftp follow FTP links from HTML documents.\n"),
639 --follow-tags=LIST comma-separated list of followed HTML tags.\n"),
641 --ignore-tags=LIST comma-separated list of ignored HTML tags.\n"),
643 -H, --span-hosts go to foreign hosts when recursive.\n"),
645 -L, --relative follow relative links only.\n"),
647 -I, --include-directories=LIST list of allowed directories.\n"),
649 -X, --exclude-directories=LIST list of excluded directories.\n"),
651 -np, --no-parent don't ascend to the parent directory.\n"),
654 N_("Mail bug reports and suggestions to <bug-wget@gnu.org>.\n")
659 printf (_("GNU Wget %s, a non-interactive network retriever.\n"),
663 for (i = 0; i < countof (help); i++)
664 fputs (_(help[i]), stdout);
669 /* Return a human-readable printed representation of INTERVAL,
670 measured in seconds. */
673 secs_to_human_time (double interval)
676 int secs = (int) (interval + 0.5);
677 int hours, mins, days;
679 days = secs / 86400, secs %= 86400;
680 hours = secs / 3600, secs %= 3600;
681 mins = secs / 60, secs %= 60;
684 sprintf (buf, "%dd %dh %dm %ds", days, hours, mins, secs);
686 sprintf (buf, "%dh %dm %ds", hours, mins, secs);
688 sprintf (buf, "%dm %ds", mins, secs);
690 sprintf (buf, "%ss", print_decimal (interval));
696 prompt_for_password (void)
699 printf (_("Password for user %s: "), quote (opt.user));
701 printf (_("Password: "));
705 /* Function that prints the line argument while limiting it
706 to at most line_length. prefix is printed on the first line
707 and an appropriate number of spaces are added on subsequent
710 format_and_print_line (char* prefix, char* line,
713 assert (prefix != NULL);
714 assert (line != NULL);
716 if (line_length <= 0)
717 line_length = max_chars_per_line;
719 const int leading_spaces = strlen (prefix);
720 printf ("%s", prefix);
721 int remaining_chars = line_length - leading_spaces;
722 /* We break on spaces. */
723 char* token = strtok (line, " ");
724 while (token != NULL)
726 /* If however a token is much larger than the maximum
727 line length, all bets are off and we simply print the
728 token on the next line. */
729 if (remaining_chars <= strlen (token))
733 for (j = 0; j < leading_spaces; j++)
737 remaining_chars = line_length - leading_spaces;
739 printf ("%s ", token);
740 remaining_chars -= strlen (token) + 1; // account for " "
741 token = strtok (NULL, " ");
752 const char *options_title = "Options : ";
753 const char *wgetrc_title = "Wgetrc : ";
754 const char *locale_title = "Locale : ";
755 const char *compile_title = "Compile : ";
756 const char *link_title = "Link : ";
757 const char *prefix_spaces = " ";
758 const int prefix_space_length = strlen (prefix_spaces);
760 printf ("GNU Wget %s\n", version_string);
761 printf (options_title);
762 /* compiled_features is a char*[]. We limit the characters per
763 line to max_chars_per_line and prefix each line with a constant
764 number of spaces for proper alignment. */
766 for (i = 0; compiled_features[i] != NULL; )
768 int line_length = max_chars_per_line - prefix_space_length;
769 while ((line_length > 0) && (compiled_features[i] != NULL))
771 printf ("%s ", compiled_features[i]);
772 line_length -= strlen (compiled_features[i]) + 2;
776 if (compiled_features[i] != NULL)
778 printf (prefix_spaces);
781 /* Handle the case when $WGETRC is unset and $HOME/.wgetrc is
783 printf (wgetrc_title);
784 char *env_wgetrc = wgetrc_env_file_name ();
785 if (env_wgetrc && *env_wgetrc)
787 printf ("%s (env)\n%s", env_wgetrc, prefix_spaces);
790 char *user_wgetrc = wgetrc_user_file_name ();
793 printf ("%s (user)\n%s", user_wgetrc, prefix_spaces);
796 printf ("%s (system)\n", system_wgetrc);
798 format_and_print_line (strdup (locale_title),
802 format_and_print_line (strdup (compile_title),
803 strdup (compilation_string),
806 format_and_print_line (strdup (link_title),
807 strdup (link_string),
810 /* TRANSLATORS: When available, an actual copyright character
811 (cirle-c) should be used in preference to "(C)". */
813 Copyright (C) 2008 Free Software Foundation, Inc.\n"), stdout);
815 License GPLv3+: GNU GPL version 3 or later\n\
816 <http://www.gnu.org/licenses/gpl.html>.\n\
817 This is free software: you are free to change and redistribute it.\n\
818 There is NO WARRANTY, to the extent permitted by law.\n"), stdout);
819 /* TRANSLATORS: When available, please use the proper diacritics for
820 names such as this one. See en_US.po for reference. */
821 fputs (_("\nOriginally written by Hrvoje Niksic <hniksic@xemacs.org>.\n"),
823 fputs (_("Currently maintained by Micah Cowan <micah@cowan.name>.\n"),
829 main (int argc, char **argv)
832 int i, ret, longindex;
834 bool append_to_log = false;
838 /* Construct the name of the executable, without the directory part. */
839 exec_name = strrchr (argv[0], PATH_SEPARATOR);
846 /* Drop extension (typically .EXE) from executable filename. */
847 windows_main ((char **) &exec_name);
850 /* Set option defaults; read the system wgetrc and ~/.wgetrc. */
855 while ((ret = getopt_long (argc, argv,
856 short_options, long_options, &longindex)) != -1)
859 struct cmdline_option *opt;
861 /* If LONGINDEX is unchanged, it means RET is referring a short
869 printf (_("Try `%s --help' for more options.\n"), exec_name);
872 /* Find the short option character in the mapping. */
873 longindex = optmap[ret - 32];
875 val = long_options[longindex].val;
877 /* Use the retrieved value to locate the option in the
878 option_data array, and to see if we're dealing with the
879 negated "--no-FOO" variant of the boolean option "--foo". */
880 opt = &option_data[val & ~BOOLEAN_NEG_MARKER];
884 setoptval (opt->data, optarg, opt->long_name);
888 /* The user has specified a value -- use it. */
889 setoptval (opt->data, optarg, opt->long_name);
892 /* NEG is true for `--no-FOO' style boolean options. */
893 bool neg = !!(val & BOOLEAN_NEG_MARKER);
894 setoptval (opt->data, neg ? "0" : "1", opt->long_name);
899 void (*func) (void) = (void (*) (void)) opt->data;
903 case OPT__APPEND_OUTPUT:
904 setoptval ("logfile", optarg, opt->long_name);
905 append_to_log = true;
908 run_command (optarg);
912 /* We support real --no-FOO flags now, but keep these
913 short options for convenience and backward
916 for (p = optarg; *p; p++)
920 setoptval ("verbose", "0", opt->long_name);
923 setoptval ("addhostdir", "0", opt->long_name);
926 setoptval ("dirstruct", "0", opt->long_name);
929 setoptval ("noclobber", "1", opt->long_name);
932 setoptval ("noparent", "1", opt->long_name);
935 printf (_("%s: illegal option -- `-n%c'\n"), exec_name, *p);
938 printf (_("Try `%s --help' for more options.\n"), exec_name);
946 /* The wgetrc commands are named noparent and noclobber,
947 so we must revert the meaning of the cmdline options
948 before passing the value to setoptval. */
951 flag = (*optarg == '1' || c_tolower (*optarg) == 'y'
952 || (c_tolower (optarg[0]) == 'o'
953 && c_tolower (optarg[1]) == 'n'));
954 setoptval (opt->type == OPT__PARENT ? "noparent" : "noclobber",
955 flag ? "0" : "1", opt->long_name);
958 case OPT__DONT_REMOVE_LISTING:
959 setoptval ("removelisting", "0", opt->long_name);
966 nurl = argc - optind;
968 /* All user options have now been processed, so it's now safe to do
969 interoption dependency checks. */
971 if (opt.reclevel == 0)
972 opt.reclevel = INFINITE_RECURSION; /* see recur.h for commentary */
974 if (opt.spider || opt.delete_after)
975 opt.no_dirstruct = true;
977 if (opt.page_requisites && !opt.recursive)
979 /* Don't set opt.recursive here because it would confuse the FTP
980 code. Instead, call retrieve_tree below when either
981 page_requisites or recursive is requested. */
983 if (!opt.no_dirstruct)
984 opt.dirstruct = 1; /* normally handled by cmd_spec_recursive() */
987 if (opt.verbose == -1)
988 opt.verbose = !opt.quiet;
991 if (opt.verbose && opt.quiet)
993 printf (_("Can't be verbose and quiet at the same time.\n"));
997 if (opt.timestamping && opt.noclobber)
1000 Can't timestamp and not clobber old files at the same time.\n"));
1005 if (opt.ipv4_only && opt.ipv6_only)
1007 printf (_("Cannot specify both --inet4-only and --inet6-only.\n"));
1012 if (opt.output_document)
1014 if (opt.convert_links
1015 && (nurl > 1 || opt.page_requisites || opt.recursive))
1018 Cannot specify both -k and -O if multiple URLs are given, or in combination\n\
1019 with -p or -r. See the manual for details.\n\n"), stdout);
1023 if (opt.page_requisites
1026 logprintf (LOG_NOTQUIET, "%s", _("\
1027 WARNING: combining -O with -r or -p will mean that all downloaded content\n\
1028 will be placed in the single file you specified.\n\n"));
1030 if (opt.timestamping)
1032 logprintf (LOG_NOTQUIET, "%s", _("\
1033 WARNING: timestamping does nothing in combination with -O. See the manual\n\
1034 for details.\n\n"));
1035 opt.timestamping = false;
1037 if (opt.noclobber && file_exists_p(opt.output_document))
1039 /* Check if output file exists; if it does, exit. */
1040 logprintf (LOG_VERBOSE, _("File `%s' already there; not retrieving.\n"), opt.output_document);
1045 if (opt.ask_passwd && opt.passwd)
1047 printf (_("Cannot specify both --ask-password and --password.\n"));
1052 if (!nurl && !opt.input_filename)
1054 /* No URL specified. */
1055 printf (_("%s: missing URL\n"), exec_name);
1058 /* #### Something nicer should be printed here -- similar to the
1059 pre-1.5 `--help' page. */
1060 printf (_("Try `%s --help' for more options.\n"), exec_name);
1067 if (opt.locale && !check_encoding_name (opt.locale))
1071 opt.locale = find_locale ();
1073 if (opt.encoding_remote && !check_encoding_name (opt.encoding_remote))
1074 opt.encoding_remote = NULL;
1076 /*logprintf (LOG_VERBOSE, "Locale = %s\n", quote (opt.locale));*/
1079 if (opt.enable_iri || opt.locale || opt.encoding_remote)
1081 /* sXXXav : be more specific... */
1082 printf(_("This version does not have support for IRIs\n"));
1089 opt.passwd = prompt_for_password ();
1091 if (opt.passwd == NULL || opt.passwd[0] == '\0')
1101 fork_to_background ();
1104 /* Initialize progress. Have to do this after the options are
1105 processed so we know where the log file is. */
1107 set_progress_implementation (opt.progress_type);
1109 /* Fill in the arguments. */
1110 url = alloca_array (char *, nurl + 1);
1111 for (i = 0; i < nurl; i++, optind++)
1113 char *rewritten = rewrite_shorthand_url (argv[optind]);
1117 url[i] = xstrdup (argv[optind]);
1121 /* Initialize logging. */
1122 log_init (opt.lfilename, append_to_log);
1124 DEBUGP (("DEBUG output created by Wget %s on %s.\n\n", version_string,
1127 /* Open the output filename if necessary. */
1128 if (opt.output_document)
1130 if (HYPHENP (opt.output_document))
1134 result = freopen (NULL, "wb", stdout);
1137 logputs (LOG_NOTQUIET, _("\
1138 WARNING: Can't reopen standard output in binary mode;\n\
1139 downloaded file may contain inappropriate line endings.\n"));
1142 output_stream = stdout;
1147 output_stream = fopen (opt.output_document,
1148 opt.always_rest ? "ab" : "wb");
1149 if (output_stream == NULL)
1151 perror (opt.output_document);
1154 if (fstat (fileno (output_stream), &st) == 0 && S_ISREG (st.st_mode))
1155 output_stream_regular = true;
1164 /* Setup the signal handler to redirect output when hangup is
1166 if (signal(SIGHUP, SIG_IGN) != SIG_IGN)
1167 signal(SIGHUP, redirect_output_signal);
1169 /* ...and do the same for SIGUSR1. */
1171 signal (SIGUSR1, redirect_output_signal);
1174 /* Writing to a closed socket normally signals SIGPIPE, and the
1175 process exits. What we want is to ignore SIGPIPE and just check
1176 for the return value of write(). */
1177 signal (SIGPIPE, SIG_IGN);
1180 signal (SIGWINCH, progress_handle_sigwinch);
1183 status = RETROK; /* initialize it, just-in-case */
1184 /* Retrieve the URLs from argument list. */
1185 for (t = url; *t; t++)
1187 char *filename = NULL, *redirected_URL = NULL;
1190 if ((opt.recursive || opt.page_requisites)
1191 && (url_scheme (*t) != SCHEME_FTP || url_uses_proxy (*t)))
1193 int old_follow_ftp = opt.follow_ftp;
1195 /* Turn opt.follow_ftp on in case of recursive FTP retrieval */
1196 if (url_scheme (*t) == SCHEME_FTP)
1199 status = retrieve_tree (*t);
1201 opt.follow_ftp = old_follow_ftp;
1205 struct iri *i = iri_new ();
1206 set_uri_encoding (i, opt.locale, true);
1207 status = retrieve_url (*t, &filename, &redirected_URL, NULL, &dt,
1212 if (opt.delete_after && file_exists_p(filename))
1214 DEBUGP (("Removing file due to --delete-after in main():\n"));
1215 logprintf (LOG_VERBOSE, _("Removing %s.\n"), filename);
1216 if (unlink (filename))
1217 logprintf (LOG_NOTQUIET, "unlink: %s\n", strerror (errno));
1220 xfree_null (redirected_URL);
1221 xfree_null (filename);
1224 /* And then from the input file, if any. */
1225 if (opt.input_filename)
1228 status = retrieve_from_file (opt.input_filename, opt.force_html, &count);
1230 logprintf (LOG_NOTQUIET, _("No URLs found in %s.\n"),
1231 opt.input_filename);
1234 /* Print broken links. */
1235 if (opt.recursive && opt.spider)
1237 print_broken_links();
1240 /* Print the downloaded sum. */
1241 if ((opt.recursive || opt.page_requisites
1243 || (opt.input_filename && total_downloaded_bytes != 0))
1245 total_downloaded_bytes != 0)
1247 logprintf (LOG_NOTQUIET,
1248 _("FINISHED --%s--\nDownloaded: %d files, %s in %s (%s)\n"),
1249 datetime_str (time (NULL)),
1251 human_readable (total_downloaded_bytes),
1252 secs_to_human_time (total_download_time),
1253 retr_rate (total_downloaded_bytes, total_download_time));
1254 /* Print quota warning, if exceeded. */
1255 if (opt.quota && total_downloaded_bytes > opt.quota)
1256 logprintf (LOG_NOTQUIET,
1257 _("Download quota of %s EXCEEDED!\n"),
1258 human_readable (opt.quota));
1261 if (opt.cookies_output)
1264 if (opt.convert_links && !opt.delete_after)
1265 convert_all_links ();
1268 for (i = 0; i < nurl; i++)
1273 print_malloc_debug_stats ();
1275 if (status == RETROK)
1280 #endif /* TESTING */
1282 #if defined(SIGHUP) || defined(SIGUSR1)
1284 /* So the signal_name check doesn't blow when only one is available. */
1292 /* Hangup signal handler. When wget receives SIGHUP or SIGUSR1, it
1293 will proceed operation as usual, trying to write into a log file.
1294 If that is impossible, the output will be turned off. */
1297 redirect_output_signal (int sig)
1299 const char *signal_name = (sig == SIGHUP ? "SIGHUP" :
1300 (sig == SIGUSR1 ? "SIGUSR1" :
1302 log_request_redirect_output (signal_name);
1303 progress_schedule_redirect ();
1304 signal (sig, redirect_output_signal);