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 { "keep-session-cookies", 0, OPT_BOOLEAN, "keepsessioncookies", -1 },
204 { "level", 'l', OPT_VALUE, "reclevel", -1 },
205 { "limit-rate", 0, OPT_VALUE, "limitrate", -1 },
206 { "load-cookies", 0, OPT_VALUE, "loadcookies", -1 },
207 { "max-redirect", 0, OPT_VALUE, "maxredirect", -1 },
208 { "mirror", 'm', OPT_BOOLEAN, "mirror", -1 },
209 { "no", 'n', OPT__NO, NULL, required_argument },
210 { "no-clobber", 0, OPT_BOOLEAN, "noclobber", -1 },
211 { "no-parent", 0, OPT_BOOLEAN, "noparent", -1 },
212 { "output-document", 'O', OPT_VALUE, "outputdocument", -1 },
213 { "output-file", 'o', OPT_VALUE, "logfile", -1 },
214 { "page-requisites", 'p', OPT_BOOLEAN, "pagerequisites", -1 },
215 { "parent", 0, OPT__PARENT, NULL, optional_argument },
216 { "passive-ftp", 0, OPT_BOOLEAN, "passiveftp", -1 },
217 { "password", 0, OPT_VALUE, "password", -1 },
218 { "post-data", 0, OPT_VALUE, "postdata", -1 },
219 { "post-file", 0, OPT_VALUE, "postfile", -1 },
220 { "prefer-family", 0, OPT_VALUE, "preferfamily", -1 },
221 { "preserve-permissions", 0, OPT_BOOLEAN, "preservepermissions", -1 },
222 { IF_SSL ("private-key"), 0, OPT_VALUE, "privatekey", -1 },
223 { IF_SSL ("private-key-type"), 0, OPT_VALUE, "privatekeytype", -1 },
224 { "progress", 0, OPT_VALUE, "progress", -1 },
225 { "protocol-directories", 0, OPT_BOOLEAN, "protocoldirectories", -1 },
226 { "proxy", 0, OPT_BOOLEAN, "useproxy", -1 },
227 { "proxy__compat", 'Y', OPT_VALUE, "useproxy", -1 }, /* back-compatible */
228 { "proxy-passwd", 0, OPT_VALUE, "proxypassword", -1 }, /* deprecated */
229 { "proxy-password", 0, OPT_VALUE, "proxypassword", -1 },
230 { "proxy-user", 0, OPT_VALUE, "proxyuser", -1 },
231 { "quiet", 'q', OPT_BOOLEAN, "quiet", -1 },
232 { "quota", 'Q', OPT_VALUE, "quota", -1 },
233 { "random-file", 0, OPT_VALUE, "randomfile", -1 },
234 { "random-wait", 0, OPT_BOOLEAN, "randomwait", -1 },
235 { "read-timeout", 0, OPT_VALUE, "readtimeout", -1 },
236 { "recursive", 'r', OPT_BOOLEAN, "recursive", -1 },
237 { "referer", 0, OPT_VALUE, "referer", -1 },
238 { "reject", 'R', OPT_VALUE, "reject", -1 },
239 { "relative", 'L', OPT_BOOLEAN, "relativeonly", -1 },
240 { "remove-listing", 0, OPT_BOOLEAN, "removelisting", -1 },
241 { "restrict-file-names", 0, OPT_BOOLEAN, "restrictfilenames", -1 },
242 { "retr-symlinks", 0, OPT_BOOLEAN, "retrsymlinks", -1 },
243 { "retry-connrefused", 0, OPT_BOOLEAN, "retryconnrefused", -1 },
244 { "save-cookies", 0, OPT_VALUE, "savecookies", -1 },
245 { "save-headers", 0, OPT_BOOLEAN, "saveheaders", -1 },
246 { IF_SSL ("secure-protocol"), 0, OPT_VALUE, "secureprotocol", -1 },
247 { "server-response", 'S', OPT_BOOLEAN, "serverresponse", -1 },
248 { "span-hosts", 'H', OPT_BOOLEAN, "spanhosts", -1 },
249 { "spider", 0, OPT_BOOLEAN, "spider", -1 },
250 { "strict-comments", 0, OPT_BOOLEAN, "strictcomments", -1 },
251 { "timeout", 'T', OPT_VALUE, "timeout", -1 },
252 { "timestamping", 'N', OPT_BOOLEAN, "timestamping", -1 },
253 { "tries", 't', OPT_VALUE, "tries", -1 },
254 { "user", 0, OPT_VALUE, "user", -1 },
255 { "user-agent", 'U', OPT_VALUE, "useragent", -1 },
256 { "verbose", 'v', OPT_BOOLEAN, "verbose", -1 },
257 { "verbose", 0, OPT_BOOLEAN, "verbose", -1 },
258 { "version", 'V', OPT_FUNCALL, (void *) print_version, no_argument },
259 { "wait", 'w', OPT_VALUE, "wait", -1 },
260 { "waitretry", 0, OPT_VALUE, "waitretry", -1 },
262 { "wdebug", 0, OPT_BOOLEAN, "wdebug", -1 },
269 /* Return a string that contains S with "no-" prepended. The string
270 is NUL-terminated and allocated off static storage at Wget
274 no_prefix (const char *s)
276 static char buffer[1024];
277 static char *p = buffer;
280 int size = 3 + strlen (s) + 1; /* "no-STRING\0" */
281 if (p + size >= buffer + sizeof (buffer))
284 cp[0] = 'n', cp[1] = 'o', cp[2] = '-';
290 /* The arguments that that main passes to getopt_long. */
291 static struct option long_options[2 * countof (option_data) + 1];
292 static char short_options[128];
294 /* Mapping between short option chars and option_data indices. */
295 static unsigned char optmap[96];
297 /* Marker for `--no-FOO' values in long_options. */
298 #define BOOLEAN_NEG_MARKER 1024
300 /* Initialize the long_options array used by getopt_long from the data
306 char *p = short_options;
308 for (i = 0; i < countof (option_data); i++)
310 struct cmdline_option *opt = &option_data[i];
311 struct option *longopt;
314 /* The option is disabled. */
317 longopt = &long_options[o++];
318 longopt->name = opt->long_name;
322 *p++ = opt->short_name;
323 optmap[opt->short_name - 32] = longopt - long_options;
328 longopt->has_arg = required_argument;
333 /* Specify an optional argument for long options, so that
334 --option=off works the same as --no-option, for
335 compatibility with pre-1.10 Wget. However, don't specify
336 optional arguments short-option booleans because they
337 prevent combining of short options. */
338 longopt->has_arg = optional_argument;
339 /* For Boolean options, add the "--no-FOO" variant, which is
340 identical to "--foo", except it has opposite meaning and
341 it doesn't allow an argument. */
342 longopt = &long_options[o++];
343 longopt->name = no_prefix (opt->long_name);
344 longopt->has_arg = no_argument;
345 /* Mask the value so we'll be able to recognize that we're
346 dealing with the false value. */
347 longopt->val = i | BOOLEAN_NEG_MARKER;
350 assert (opt->argtype != -1);
351 longopt->has_arg = opt->argtype;
354 if (longopt->has_arg == required_argument)
356 /* Don't handle optional_argument */
360 /* Terminate short_options. */
362 /* No need for xzero(long_options[o]) because its storage is static
363 and it will be zeroed by default. */
364 assert (o <= countof (long_options));
367 /* Print the usage message. */
371 printf (_("Usage: %s [OPTION]... [URL]...\n"), exec_name);
374 /* Print the help message, describing all the available options. If
375 you add an option, be sure to update this list. */
379 /* We split the help text this way to ease translation of individual
381 static const char *help[] = {
384 Mandatory arguments to long options are mandatory for short options too.\n\n"),
388 -V, --version display the version of Wget and exit.\n"),
390 -h, --help print this help.\n"),
392 -b, --background go to background after startup.\n"),
394 -e, --execute=COMMAND execute a `.wgetrc'-style command.\n"),
398 Logging and input file:\n"),
400 -o, --output-file=FILE log messages to FILE.\n"),
402 -a, --append-output=FILE append messages to FILE.\n"),
405 -d, --debug print lots of debugging information.\n"),
409 --wdebug print Watt-32 debug output.\n"),
412 -q, --quiet quiet (no output).\n"),
414 -v, --verbose be verbose (this is the default).\n"),
416 -nv, --no-verbose turn off verboseness, without being quiet.\n"),
418 -i, --input-file=FILE download URLs found in FILE.\n"),
420 -F, --force-html treat input file as HTML.\n"),
422 -B, --base=URL prepends URL to relative links in -F -i file.\n"),
428 -t, --tries=NUMBER set number of retries to NUMBER (0 unlimits).\n"),
430 --retry-connrefused retry even if connection is refused.\n"),
432 -O, --output-document=FILE write documents to FILE.\n"),
434 -nc, --no-clobber skip downloads that would download to\n\
437 -c, --continue resume getting a partially-downloaded file.\n"),
439 --progress=TYPE select progress gauge type.\n"),
441 -N, --timestamping don't re-retrieve files unless newer than\n\
444 -S, --server-response print server response.\n"),
446 --spider don't download anything.\n"),
448 -T, --timeout=SECONDS set all timeout values to SECONDS.\n"),
450 --dns-timeout=SECS set the DNS lookup timeout to SECS.\n"),
452 --connect-timeout=SECS set the connect timeout to SECS.\n"),
454 --read-timeout=SECS set the read timeout to SECS.\n"),
456 -w, --wait=SECONDS wait SECONDS between retrievals.\n"),
458 --waitretry=SECONDS wait 1..SECONDS between retries of a retrieval.\n"),
460 --random-wait wait from 0...2*WAIT secs between retrievals.\n"),
462 --no-proxy explicitly turn off proxy.\n"),
464 -Q, --quota=NUMBER set retrieval quota to NUMBER.\n"),
466 --bind-address=ADDRESS bind to ADDRESS (hostname or IP) on local host.\n"),
468 --limit-rate=RATE limit download rate to RATE.\n"),
470 --no-dns-cache disable caching DNS lookups.\n"),
472 --restrict-file-names=OS restrict chars in file names to ones OS allows.\n"),
474 --ignore-case ignore case when matching files/directories.\n"),
477 -4, --inet4-only connect only to IPv4 addresses.\n"),
479 -6, --inet6-only connect only to IPv6 addresses.\n"),
481 --prefer-family=FAMILY connect first to addresses of specified family,\n\
482 one of IPv6, IPv4, or none.\n"),
485 --user=USER set both ftp and http user to USER.\n"),
487 --password=PASS set both ftp and http password to PASS.\n"),
489 --ask-password prompt for passwords.\n"),
495 -nd, --no-directories don't create directories.\n"),
497 -x, --force-directories force creation of directories.\n"),
499 -nH, --no-host-directories don't create host directories.\n"),
501 --protocol-directories use protocol name in directories.\n"),
503 -P, --directory-prefix=PREFIX save files to PREFIX/...\n"),
505 --cut-dirs=NUMBER ignore NUMBER remote directory components.\n"),
511 --http-user=USER set http user to USER.\n"),
513 --http-password=PASS set http password to PASS.\n"),
515 --no-cache disallow server-cached data.\n"),
517 -E, --html-extension save HTML documents with `.html' extension.\n"),
519 --ignore-length ignore `Content-Length' header field.\n"),
521 --header=STRING insert STRING among the headers.\n"),
523 --max-redirect maximum redirections allowed per page.\n"),
525 --proxy-user=USER set USER as proxy username.\n"),
527 --proxy-password=PASS set PASS as proxy password.\n"),
529 --referer=URL include `Referer: URL' header in HTTP request.\n"),
531 --save-headers save the HTTP headers to file.\n"),
533 -U, --user-agent=AGENT identify as AGENT instead of Wget/VERSION.\n"),
535 --no-http-keep-alive disable HTTP keep-alive (persistent connections).\n"),
537 --no-cookies don't use cookies.\n"),
539 --load-cookies=FILE load cookies from FILE before session.\n"),
541 --save-cookies=FILE save cookies to FILE after session.\n"),
543 --keep-session-cookies load and save session (non-permanent) cookies.\n"),
545 --post-data=STRING use the POST method; send STRING as the data.\n"),
547 --post-file=FILE use the POST method; send contents of FILE.\n"),
549 --content-disposition honor the Content-Disposition header when\n\
550 choosing local file names (EXPERIMENTAL).\n"),
552 --auth-no-challenge Send Basic HTTP authentication information\n\
553 without first waiting for the server's\n\
559 HTTPS (SSL/TLS) options:\n"),
561 --secure-protocol=PR choose secure protocol, one of auto, SSLv2,\n\
562 SSLv3, and TLSv1.\n"),
564 --no-check-certificate don't validate the server's certificate.\n"),
566 --certificate=FILE client certificate file.\n"),
568 --certificate-type=TYPE client certificate type, PEM or DER.\n"),
570 --private-key=FILE private key file.\n"),
572 --private-key-type=TYPE private key type, PEM or DER.\n"),
574 --ca-certificate=FILE file with the bundle of CA's.\n"),
576 --ca-directory=DIR directory where hash list of CA's is stored.\n"),
578 --random-file=FILE file with random data for seeding the SSL PRNG.\n"),
580 --egd-file=FILE file naming the EGD socket with random data.\n"),
582 #endif /* HAVE_SSL */
587 --ftp-user=USER set ftp user to USER.\n"),
589 --ftp-password=PASS set ftp password to PASS.\n"),
591 --no-remove-listing don't remove `.listing' files.\n"),
593 --no-glob turn off FTP file name globbing.\n"),
595 --no-passive-ftp disable the \"passive\" transfer mode.\n"),
597 --retr-symlinks when recursing, get linked-to files (not dir).\n"),
599 --preserve-permissions preserve remote file permissions.\n"),
603 Recursive download:\n"),
605 -r, --recursive specify recursive download.\n"),
607 -l, --level=NUMBER maximum recursion depth (inf or 0 for infinite).\n"),
609 --delete-after delete files locally after downloading them.\n"),
611 -k, --convert-links make links in downloaded HTML point to local files.\n"),
613 -K, --backup-converted before converting file X, back up as X.orig.\n"),
615 -m, --mirror shortcut for -N -r -l inf --no-remove-listing.\n"),
617 -p, --page-requisites get all images, etc. needed to display HTML page.\n"),
619 --strict-comments turn on strict (SGML) handling of HTML comments.\n"),
623 Recursive accept/reject:\n"),
625 -A, --accept=LIST comma-separated list of accepted extensions.\n"),
627 -R, --reject=LIST comma-separated list of rejected extensions.\n"),
629 -D, --domains=LIST comma-separated list of accepted domains.\n"),
631 --exclude-domains=LIST comma-separated list of rejected domains.\n"),
633 --follow-ftp follow FTP links from HTML documents.\n"),
635 --follow-tags=LIST comma-separated list of followed HTML tags.\n"),
637 --ignore-tags=LIST comma-separated list of ignored HTML tags.\n"),
639 -H, --span-hosts go to foreign hosts when recursive.\n"),
641 -L, --relative follow relative links only.\n"),
643 -I, --include-directories=LIST list of allowed directories.\n"),
645 -X, --exclude-directories=LIST list of excluded directories.\n"),
647 -np, --no-parent don't ascend to the parent directory.\n"),
650 N_("Mail bug reports and suggestions to <bug-wget@gnu.org>.\n")
655 printf (_("GNU Wget %s, a non-interactive network retriever.\n"),
659 for (i = 0; i < countof (help); i++)
660 fputs (_(help[i]), stdout);
665 /* Return a human-readable printed representation of INTERVAL,
666 measured in seconds. */
669 secs_to_human_time (double interval)
672 int secs = (int) (interval + 0.5);
673 int hours, mins, days;
675 days = secs / 86400, secs %= 86400;
676 hours = secs / 3600, secs %= 3600;
677 mins = secs / 60, secs %= 60;
680 sprintf (buf, "%dd %dh %dm %ds", days, hours, mins, secs);
682 sprintf (buf, "%dh %dm %ds", hours, mins, secs);
684 sprintf (buf, "%dm %ds", mins, secs);
686 sprintf (buf, "%ss", print_decimal (interval));
692 prompt_for_password (void)
695 printf (_("Password for user %s: "), quote (opt.user));
697 printf (_("Password: "));
701 /* Function that prints the line argument while limiting it
702 to at most line_length. prefix is printed on the first line
703 and an appropriate number of spaces are added on subsequent
706 format_and_print_line (char* prefix, char* line,
709 assert (prefix != NULL);
710 assert (line != NULL);
712 if (line_length <= 0)
713 line_length = max_chars_per_line;
715 const int leading_spaces = strlen (prefix);
716 printf ("%s", prefix);
717 int remaining_chars = line_length - leading_spaces;
718 /* We break on spaces. */
719 char* token = strtok (line, " ");
720 while (token != NULL)
722 /* If however a token is much larger than the maximum
723 line length, all bets are off and we simply print the
724 token on the next line. */
725 if (remaining_chars <= strlen (token))
729 for (j = 0; j < leading_spaces; j++)
733 remaining_chars = line_length - leading_spaces;
735 printf ("%s ", token);
736 remaining_chars -= strlen (token) + 1; // account for " "
737 token = strtok (NULL, " ");
748 const char *options_title = "Options : ";
749 const char *wgetrc_title = "Wgetrc : ";
750 const char *locale_title = "Locale : ";
751 const char *compile_title = "Compile : ";
752 const char *link_title = "Link : ";
753 const char *prefix_spaces = " ";
754 const int prefix_space_length = strlen (prefix_spaces);
756 printf ("GNU Wget %s\n", version_string);
757 printf (options_title);
758 /* compiled_features is a char*[]. We limit the characters per
759 line to max_chars_per_line and prefix each line with a constant
760 number of spaces for proper alignment. */
762 for (i = 0; compiled_features[i] != NULL; )
764 int line_length = max_chars_per_line - prefix_space_length;
765 while ((line_length > 0) && (compiled_features[i] != NULL))
767 printf ("%s ", compiled_features[i]);
768 line_length -= strlen (compiled_features[i]) + 2;
772 if (compiled_features[i] != NULL)
774 printf (prefix_spaces);
777 /* Handle the case when $WGETRC is unset and $HOME/.wgetrc is
779 printf (wgetrc_title);
780 char *env_wgetrc = wgetrc_env_file_name ();
781 if (env_wgetrc && *env_wgetrc)
783 printf ("%s (env)\n%s", env_wgetrc, prefix_spaces);
786 char *user_wgetrc = wgetrc_user_file_name ();
789 printf ("%s (user)\n%s", user_wgetrc, prefix_spaces);
792 printf ("%s (system)\n", system_wgetrc);
794 format_and_print_line (strdup (locale_title),
798 format_and_print_line (strdup (compile_title),
799 strdup (compilation_string),
802 format_and_print_line (strdup (link_title),
803 strdup (link_string),
806 /* TRANSLATORS: When available, an actual copyright character
807 (cirle-c) should be used in preference to "(C)". */
809 Copyright (C) 2008 Free Software Foundation, Inc.\n"), stdout);
811 License GPLv3+: GNU GPL version 3 or later\n\
812 <http://www.gnu.org/licenses/gpl.html>.\n\
813 This is free software: you are free to change and redistribute it.\n\
814 There is NO WARRANTY, to the extent permitted by law.\n"), stdout);
815 /* TRANSLATORS: When available, please use the proper diacritics for
816 names such as this one. See en_US.po for reference. */
817 fputs (_("\nOriginally written by Hrvoje Niksic <hniksic@xemacs.org>.\n"),
819 fputs (_("Currently maintained by Micah Cowan <micah@cowan.name>.\n"),
825 main (int argc, char **argv)
828 int i, ret, longindex;
830 bool append_to_log = false;
834 /* Construct the name of the executable, without the directory part. */
835 exec_name = strrchr (argv[0], PATH_SEPARATOR);
842 /* Drop extension (typically .EXE) from executable filename. */
843 windows_main ((char **) &exec_name);
846 /* Set option defaults; read the system wgetrc and ~/.wgetrc. */
851 while ((ret = getopt_long (argc, argv,
852 short_options, long_options, &longindex)) != -1)
855 struct cmdline_option *opt;
857 /* If LONGINDEX is unchanged, it means RET is referring a short
865 printf (_("Try `%s --help' for more options.\n"), exec_name);
868 /* Find the short option character in the mapping. */
869 longindex = optmap[ret - 32];
871 val = long_options[longindex].val;
873 /* Use the retrieved value to locate the option in the
874 option_data array, and to see if we're dealing with the
875 negated "--no-FOO" variant of the boolean option "--foo". */
876 opt = &option_data[val & ~BOOLEAN_NEG_MARKER];
880 setoptval (opt->data, optarg, opt->long_name);
884 /* The user has specified a value -- use it. */
885 setoptval (opt->data, optarg, opt->long_name);
888 /* NEG is true for `--no-FOO' style boolean options. */
889 bool neg = !!(val & BOOLEAN_NEG_MARKER);
890 setoptval (opt->data, neg ? "0" : "1", opt->long_name);
895 void (*func) (void) = (void (*) (void)) opt->data;
899 case OPT__APPEND_OUTPUT:
900 setoptval ("logfile", optarg, opt->long_name);
901 append_to_log = true;
904 run_command (optarg);
908 /* We support real --no-FOO flags now, but keep these
909 short options for convenience and backward
912 for (p = optarg; *p; p++)
916 setoptval ("verbose", "0", opt->long_name);
919 setoptval ("addhostdir", "0", opt->long_name);
922 setoptval ("dirstruct", "0", opt->long_name);
925 setoptval ("noclobber", "1", opt->long_name);
928 setoptval ("noparent", "1", opt->long_name);
931 printf (_("%s: illegal option -- `-n%c'\n"), exec_name, *p);
934 printf (_("Try `%s --help' for more options.\n"), exec_name);
942 /* The wgetrc commands are named noparent and noclobber,
943 so we must revert the meaning of the cmdline options
944 before passing the value to setoptval. */
947 flag = (*optarg == '1' || c_tolower (*optarg) == 'y'
948 || (c_tolower (optarg[0]) == 'o'
949 && c_tolower (optarg[1]) == 'n'));
950 setoptval (opt->type == OPT__PARENT ? "noparent" : "noclobber",
951 flag ? "0" : "1", opt->long_name);
954 case OPT__DONT_REMOVE_LISTING:
955 setoptval ("removelisting", "0", opt->long_name);
962 nurl = argc - optind;
964 /* All user options have now been processed, so it's now safe to do
965 interoption dependency checks. */
967 if (opt.reclevel == 0)
968 opt.reclevel = INFINITE_RECURSION; /* see recur.h for commentary */
970 if (opt.spider || opt.delete_after)
971 opt.no_dirstruct = true;
973 if (opt.page_requisites && !opt.recursive)
975 /* Don't set opt.recursive here because it would confuse the FTP
976 code. Instead, call retrieve_tree below when either
977 page_requisites or recursive is requested. */
979 if (!opt.no_dirstruct)
980 opt.dirstruct = 1; /* normally handled by cmd_spec_recursive() */
983 if (opt.verbose == -1)
984 opt.verbose = !opt.quiet;
987 if (opt.verbose && opt.quiet)
989 printf (_("Can't be verbose and quiet at the same time.\n"));
993 if (opt.timestamping && opt.noclobber)
996 Can't timestamp and not clobber old files at the same time.\n"));
1001 if (opt.ipv4_only && opt.ipv6_only)
1003 printf (_("Cannot specify both --inet4-only and --inet6-only.\n"));
1008 if (opt.output_document)
1010 if (opt.convert_links
1011 && (nurl > 1 || opt.page_requisites || opt.recursive))
1014 Cannot specify both -k and -O if multiple URLs are given, or in combination\n\
1015 with -p or -r. See the manual for details.\n\n"), stdout);
1019 if (opt.page_requisites
1022 logprintf (LOG_NOTQUIET, "%s", _("\
1023 WARNING: combining -O with -r or -p will mean that all downloaded content\n\
1024 will be placed in the single file you specified.\n\n"));
1026 if (opt.timestamping)
1028 logprintf (LOG_NOTQUIET, "%s", _("\
1029 WARNING: timestamping does nothing in combination with -O. See the manual\n\
1030 for details.\n\n"));
1031 opt.timestamping = false;
1033 if (opt.noclobber && file_exists_p(opt.output_document))
1035 /* Check if output file exists; if it does, exit. */
1036 logprintf (LOG_VERBOSE, _("File `%s' already there; not retrieving.\n"), opt.output_document);
1041 if (opt.ask_passwd && opt.passwd)
1043 printf (_("Cannot specify both --ask-password and --password.\n"));
1048 if (!nurl && !opt.input_filename)
1050 /* No URL specified. */
1051 printf (_("%s: missing URL\n"), exec_name);
1054 /* #### Something nicer should be printed here -- similar to the
1055 pre-1.5 `--help' page. */
1056 printf (_("Try `%s --help' for more options.\n"), exec_name);
1062 opt.passwd = prompt_for_password ();
1064 if (opt.passwd == NULL || opt.passwd[0] == '\0')
1074 fork_to_background ();
1077 /* Initialize progress. Have to do this after the options are
1078 processed so we know where the log file is. */
1080 set_progress_implementation (opt.progress_type);
1082 /* Fill in the arguments. */
1083 url = alloca_array (char *, nurl + 1);
1084 for (i = 0; i < nurl; i++, optind++)
1086 char *rewritten = rewrite_shorthand_url (argv[optind]);
1090 url[i] = xstrdup (argv[optind]);
1094 /* Initialize logging. */
1095 log_init (opt.lfilename, append_to_log);
1097 DEBUGP (("DEBUG output created by Wget %s on %s.\n\n", version_string,
1100 /* Open the output filename if necessary. */
1101 if (opt.output_document)
1103 if (HYPHENP (opt.output_document))
1107 result = freopen (NULL, "wb", stdout);
1110 logputs (LOG_NOTQUIET, _("\
1111 WARNING: Can't reopen standard output in binary mode;\n\
1112 downloaded file may contain inappropriate line endings.\n"));
1115 output_stream = stdout;
1120 output_stream = fopen (opt.output_document,
1121 opt.always_rest ? "ab" : "wb");
1122 if (output_stream == NULL)
1124 perror (opt.output_document);
1127 if (fstat (fileno (output_stream), &st) == 0 && S_ISREG (st.st_mode))
1128 output_stream_regular = true;
1137 /* Setup the signal handler to redirect output when hangup is
1139 if (signal(SIGHUP, SIG_IGN) != SIG_IGN)
1140 signal(SIGHUP, redirect_output_signal);
1142 /* ...and do the same for SIGUSR1. */
1144 signal (SIGUSR1, redirect_output_signal);
1147 /* Writing to a closed socket normally signals SIGPIPE, and the
1148 process exits. What we want is to ignore SIGPIPE and just check
1149 for the return value of write(). */
1150 signal (SIGPIPE, SIG_IGN);
1153 signal (SIGWINCH, progress_handle_sigwinch);
1156 status = RETROK; /* initialize it, just-in-case */
1157 /* Retrieve the URLs from argument list. */
1158 for (t = url; *t; t++)
1160 char *filename = NULL, *redirected_URL = NULL;
1163 if ((opt.recursive || opt.page_requisites)
1164 && (url_scheme (*t) != SCHEME_FTP || url_uses_proxy (*t)))
1166 int old_follow_ftp = opt.follow_ftp;
1168 /* Turn opt.follow_ftp on in case of recursive FTP retrieval */
1169 if (url_scheme (*t) == SCHEME_FTP)
1172 status = retrieve_tree (*t);
1174 opt.follow_ftp = old_follow_ftp;
1177 status = retrieve_url (*t, &filename, &redirected_URL, NULL, &dt, opt.recursive);
1179 if (opt.delete_after && file_exists_p(filename))
1181 DEBUGP (("Removing file due to --delete-after in main():\n"));
1182 logprintf (LOG_VERBOSE, _("Removing %s.\n"), filename);
1183 if (unlink (filename))
1184 logprintf (LOG_NOTQUIET, "unlink: %s\n", strerror (errno));
1187 xfree_null (redirected_URL);
1188 xfree_null (filename);
1191 /* And then from the input file, if any. */
1192 if (opt.input_filename)
1195 status = retrieve_from_file (opt.input_filename, opt.force_html, &count);
1197 logprintf (LOG_NOTQUIET, _("No URLs found in %s.\n"),
1198 opt.input_filename);
1201 /* Print broken links. */
1202 if (opt.recursive && opt.spider)
1204 print_broken_links();
1207 /* Print the downloaded sum. */
1208 if ((opt.recursive || opt.page_requisites
1210 || (opt.input_filename && total_downloaded_bytes != 0))
1212 total_downloaded_bytes != 0)
1214 logprintf (LOG_NOTQUIET,
1215 _("FINISHED --%s--\nDownloaded: %d files, %s in %s (%s)\n"),
1216 datetime_str (time (NULL)),
1218 human_readable (total_downloaded_bytes),
1219 secs_to_human_time (total_download_time),
1220 retr_rate (total_downloaded_bytes, total_download_time));
1221 /* Print quota warning, if exceeded. */
1222 if (opt.quota && total_downloaded_bytes > opt.quota)
1223 logprintf (LOG_NOTQUIET,
1224 _("Download quota of %s EXCEEDED!\n"),
1225 human_readable (opt.quota));
1228 if (opt.cookies_output)
1231 if (opt.convert_links && !opt.delete_after)
1232 convert_all_links ();
1235 for (i = 0; i < nurl; i++)
1240 print_malloc_debug_stats ();
1242 if (status == RETROK)
1247 #endif /* TESTING */
1249 #if defined(SIGHUP) || defined(SIGUSR1)
1251 /* So the signal_name check doesn't blow when only one is available. */
1259 /* Hangup signal handler. When wget receives SIGHUP or SIGUSR1, it
1260 will proceed operation as usual, trying to write into a log file.
1261 If that is impossible, the output will be turned off. */
1264 redirect_output_signal (int sig)
1266 const char *signal_name = (sig == SIGHUP ? "SIGHUP" :
1267 (sig == SIGUSR1 ? "SIGUSR1" :
1269 log_request_redirect_output (signal_name);
1270 progress_schedule_redirect ();
1271 signal (sig, redirect_output_signal);