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 local or external 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 or CSS point to\n\
614 -K, --backup-converted before converting file X, back up as X.orig.\n"),
616 -m, --mirror shortcut for -N -r -l inf --no-remove-listing.\n"),
618 -p, --page-requisites get all images, etc. needed to display HTML page.\n"),
620 --strict-comments turn on strict (SGML) handling of HTML comments.\n"),
624 Recursive accept/reject:\n"),
626 -A, --accept=LIST comma-separated list of accepted extensions.\n"),
628 -R, --reject=LIST comma-separated list of rejected extensions.\n"),
630 -D, --domains=LIST comma-separated list of accepted domains.\n"),
632 --exclude-domains=LIST comma-separated list of rejected domains.\n"),
634 --follow-ftp follow FTP links from HTML documents.\n"),
636 --follow-tags=LIST comma-separated list of followed HTML tags.\n"),
638 --ignore-tags=LIST comma-separated list of ignored HTML tags.\n"),
640 -H, --span-hosts go to foreign hosts when recursive.\n"),
642 -L, --relative follow relative links only.\n"),
644 -I, --include-directories=LIST list of allowed directories.\n"),
646 -X, --exclude-directories=LIST list of excluded directories.\n"),
648 -np, --no-parent don't ascend to the parent directory.\n"),
651 N_("Mail bug reports and suggestions to <bug-wget@gnu.org>.\n")
656 printf (_("GNU Wget %s, a non-interactive network retriever.\n"),
660 for (i = 0; i < countof (help); i++)
661 fputs (_(help[i]), stdout);
666 /* Return a human-readable printed representation of INTERVAL,
667 measured in seconds. */
670 secs_to_human_time (double interval)
673 int secs = (int) (interval + 0.5);
674 int hours, mins, days;
676 days = secs / 86400, secs %= 86400;
677 hours = secs / 3600, secs %= 3600;
678 mins = secs / 60, secs %= 60;
681 sprintf (buf, "%dd %dh %dm %ds", days, hours, mins, secs);
683 sprintf (buf, "%dh %dm %ds", hours, mins, secs);
685 sprintf (buf, "%dm %ds", mins, secs);
687 sprintf (buf, "%ss", print_decimal (interval));
693 prompt_for_password (void)
696 printf (_("Password for user %s: "), quote (opt.user));
698 printf (_("Password: "));
702 /* Function that prints the line argument while limiting it
703 to at most line_length. prefix is printed on the first line
704 and an appropriate number of spaces are added on subsequent
707 format_and_print_line (char* prefix, char* line,
710 assert (prefix != NULL);
711 assert (line != NULL);
713 if (line_length <= 0)
714 line_length = max_chars_per_line;
716 const int leading_spaces = strlen (prefix);
717 printf ("%s", prefix);
718 int remaining_chars = line_length - leading_spaces;
719 /* We break on spaces. */
720 char* token = strtok (line, " ");
721 while (token != NULL)
723 /* If however a token is much larger than the maximum
724 line length, all bets are off and we simply print the
725 token on the next line. */
726 if (remaining_chars <= strlen (token))
730 for (j = 0; j < leading_spaces; j++)
734 remaining_chars = line_length - leading_spaces;
736 printf ("%s ", token);
737 remaining_chars -= strlen (token) + 1; // account for " "
738 token = strtok (NULL, " ");
749 const char *options_title = "Options : ";
750 const char *wgetrc_title = "Wgetrc : ";
751 const char *locale_title = "Locale : ";
752 const char *compile_title = "Compile : ";
753 const char *link_title = "Link : ";
754 const char *prefix_spaces = " ";
755 const int prefix_space_length = strlen (prefix_spaces);
757 printf ("GNU Wget %s\n", version_string);
758 printf (options_title);
759 /* compiled_features is a char*[]. We limit the characters per
760 line to max_chars_per_line and prefix each line with a constant
761 number of spaces for proper alignment. */
763 for (i = 0; compiled_features[i] != NULL; )
765 int line_length = max_chars_per_line - prefix_space_length;
766 while ((line_length > 0) && (compiled_features[i] != NULL))
768 printf ("%s ", compiled_features[i]);
769 line_length -= strlen (compiled_features[i]) + 2;
773 if (compiled_features[i] != NULL)
775 printf (prefix_spaces);
778 /* Handle the case when $WGETRC is unset and $HOME/.wgetrc is
780 printf (wgetrc_title);
781 char *env_wgetrc = wgetrc_env_file_name ();
782 if (env_wgetrc && *env_wgetrc)
784 printf ("%s (env)\n%s", env_wgetrc, prefix_spaces);
787 char *user_wgetrc = wgetrc_user_file_name ();
790 printf ("%s (user)\n%s", user_wgetrc, prefix_spaces);
793 printf ("%s (system)\n", system_wgetrc);
795 format_and_print_line (strdup (locale_title),
799 format_and_print_line (strdup (compile_title),
800 strdup (compilation_string),
803 format_and_print_line (strdup (link_title),
804 strdup (link_string),
807 /* TRANSLATORS: When available, an actual copyright character
808 (cirle-c) should be used in preference to "(C)". */
810 Copyright (C) 2008 Free Software Foundation, Inc.\n"), stdout);
812 License GPLv3+: GNU GPL version 3 or later\n\
813 <http://www.gnu.org/licenses/gpl.html>.\n\
814 This is free software: you are free to change and redistribute it.\n\
815 There is NO WARRANTY, to the extent permitted by law.\n"), stdout);
816 /* TRANSLATORS: When available, please use the proper diacritics for
817 names such as this one. See en_US.po for reference. */
818 fputs (_("\nOriginally written by Hrvoje Niksic <hniksic@xemacs.org>.\n"),
820 fputs (_("Currently maintained by Micah Cowan <micah@cowan.name>.\n"),
826 main (int argc, char **argv)
829 int i, ret, longindex;
831 bool append_to_log = false;
835 /* Construct the name of the executable, without the directory part. */
836 exec_name = strrchr (argv[0], PATH_SEPARATOR);
843 /* Drop extension (typically .EXE) from executable filename. */
844 windows_main ((char **) &exec_name);
847 /* Set option defaults; read the system wgetrc and ~/.wgetrc. */
852 while ((ret = getopt_long (argc, argv,
853 short_options, long_options, &longindex)) != -1)
856 struct cmdline_option *opt;
858 /* If LONGINDEX is unchanged, it means RET is referring a short
866 printf (_("Try `%s --help' for more options.\n"), exec_name);
869 /* Find the short option character in the mapping. */
870 longindex = optmap[ret - 32];
872 val = long_options[longindex].val;
874 /* Use the retrieved value to locate the option in the
875 option_data array, and to see if we're dealing with the
876 negated "--no-FOO" variant of the boolean option "--foo". */
877 opt = &option_data[val & ~BOOLEAN_NEG_MARKER];
881 setoptval (opt->data, optarg, opt->long_name);
885 /* The user has specified a value -- use it. */
886 setoptval (opt->data, optarg, opt->long_name);
889 /* NEG is true for `--no-FOO' style boolean options. */
890 bool neg = !!(val & BOOLEAN_NEG_MARKER);
891 setoptval (opt->data, neg ? "0" : "1", opt->long_name);
896 void (*func) (void) = (void (*) (void)) opt->data;
900 case OPT__APPEND_OUTPUT:
901 setoptval ("logfile", optarg, opt->long_name);
902 append_to_log = true;
905 run_command (optarg);
909 /* We support real --no-FOO flags now, but keep these
910 short options for convenience and backward
913 for (p = optarg; *p; p++)
917 setoptval ("verbose", "0", opt->long_name);
920 setoptval ("addhostdir", "0", opt->long_name);
923 setoptval ("dirstruct", "0", opt->long_name);
926 setoptval ("noclobber", "1", opt->long_name);
929 setoptval ("noparent", "1", opt->long_name);
932 printf (_("%s: illegal option -- `-n%c'\n"), exec_name, *p);
935 printf (_("Try `%s --help' for more options.\n"), exec_name);
943 /* The wgetrc commands are named noparent and noclobber,
944 so we must revert the meaning of the cmdline options
945 before passing the value to setoptval. */
948 flag = (*optarg == '1' || c_tolower (*optarg) == 'y'
949 || (c_tolower (optarg[0]) == 'o'
950 && c_tolower (optarg[1]) == 'n'));
951 setoptval (opt->type == OPT__PARENT ? "noparent" : "noclobber",
952 flag ? "0" : "1", opt->long_name);
955 case OPT__DONT_REMOVE_LISTING:
956 setoptval ("removelisting", "0", opt->long_name);
963 nurl = argc - optind;
965 /* All user options have now been processed, so it's now safe to do
966 interoption dependency checks. */
968 if (opt.reclevel == 0)
969 opt.reclevel = INFINITE_RECURSION; /* see recur.h for commentary */
971 if (opt.spider || opt.delete_after)
972 opt.no_dirstruct = true;
974 if (opt.page_requisites && !opt.recursive)
976 /* Don't set opt.recursive here because it would confuse the FTP
977 code. Instead, call retrieve_tree below when either
978 page_requisites or recursive is requested. */
980 if (!opt.no_dirstruct)
981 opt.dirstruct = 1; /* normally handled by cmd_spec_recursive() */
984 if (opt.verbose == -1)
985 opt.verbose = !opt.quiet;
988 if (opt.verbose && opt.quiet)
990 printf (_("Can't be verbose and quiet at the same time.\n"));
994 if (opt.timestamping && opt.noclobber)
997 Can't timestamp and not clobber old files at the same time.\n"));
1002 if (opt.ipv4_only && opt.ipv6_only)
1004 printf (_("Cannot specify both --inet4-only and --inet6-only.\n"));
1009 if (opt.output_document)
1011 if (opt.convert_links
1012 && (nurl > 1 || opt.page_requisites || opt.recursive))
1015 Cannot specify both -k and -O if multiple URLs are given, or in combination\n\
1016 with -p or -r. See the manual for details.\n\n"), stdout);
1020 if (opt.page_requisites
1023 logprintf (LOG_NOTQUIET, "%s", _("\
1024 WARNING: combining -O with -r or -p will mean that all downloaded content\n\
1025 will be placed in the single file you specified.\n\n"));
1027 if (opt.timestamping)
1029 logprintf (LOG_NOTQUIET, "%s", _("\
1030 WARNING: timestamping does nothing in combination with -O. See the manual\n\
1031 for details.\n\n"));
1032 opt.timestamping = false;
1034 if (opt.noclobber && file_exists_p(opt.output_document))
1036 /* Check if output file exists; if it does, exit. */
1037 logprintf (LOG_VERBOSE, _("File `%s' already there; not retrieving.\n"), opt.output_document);
1042 if (opt.ask_passwd && opt.passwd)
1044 printf (_("Cannot specify both --ask-password and --password.\n"));
1049 if (!nurl && !opt.input_filename)
1051 /* No URL specified. */
1052 printf (_("%s: missing URL\n"), exec_name);
1055 /* #### Something nicer should be printed here -- similar to the
1056 pre-1.5 `--help' page. */
1057 printf (_("Try `%s --help' for more options.\n"), exec_name);
1063 opt.passwd = prompt_for_password ();
1065 if (opt.passwd == NULL || opt.passwd[0] == '\0')
1075 fork_to_background ();
1078 /* Initialize progress. Have to do this after the options are
1079 processed so we know where the log file is. */
1081 set_progress_implementation (opt.progress_type);
1083 /* Fill in the arguments. */
1084 url = alloca_array (char *, nurl + 1);
1085 for (i = 0; i < nurl; i++, optind++)
1087 char *rewritten = rewrite_shorthand_url (argv[optind]);
1091 url[i] = xstrdup (argv[optind]);
1095 /* Initialize logging. */
1096 log_init (opt.lfilename, append_to_log);
1098 DEBUGP (("DEBUG output created by Wget %s on %s.\n\n", version_string,
1101 /* Open the output filename if necessary. */
1102 if (opt.output_document)
1104 if (HYPHENP (opt.output_document))
1108 result = freopen (NULL, "wb", stdout);
1111 logputs (LOG_NOTQUIET, _("\
1112 WARNING: Can't reopen standard output in binary mode;\n\
1113 downloaded file may contain inappropriate line endings.\n"));
1116 output_stream = stdout;
1121 output_stream = fopen (opt.output_document,
1122 opt.always_rest ? "ab" : "wb");
1123 if (output_stream == NULL)
1125 perror (opt.output_document);
1128 if (fstat (fileno (output_stream), &st) == 0 && S_ISREG (st.st_mode))
1129 output_stream_regular = true;
1138 /* Setup the signal handler to redirect output when hangup is
1140 if (signal(SIGHUP, SIG_IGN) != SIG_IGN)
1141 signal(SIGHUP, redirect_output_signal);
1143 /* ...and do the same for SIGUSR1. */
1145 signal (SIGUSR1, redirect_output_signal);
1148 /* Writing to a closed socket normally signals SIGPIPE, and the
1149 process exits. What we want is to ignore SIGPIPE and just check
1150 for the return value of write(). */
1151 signal (SIGPIPE, SIG_IGN);
1154 signal (SIGWINCH, progress_handle_sigwinch);
1157 status = RETROK; /* initialize it, just-in-case */
1158 /* Retrieve the URLs from argument list. */
1159 for (t = url; *t; t++)
1161 char *filename = NULL, *redirected_URL = NULL;
1164 if ((opt.recursive || opt.page_requisites)
1165 && (url_scheme (*t) != SCHEME_FTP || url_uses_proxy (*t)))
1167 int old_follow_ftp = opt.follow_ftp;
1169 /* Turn opt.follow_ftp on in case of recursive FTP retrieval */
1170 if (url_scheme (*t) == SCHEME_FTP)
1173 status = retrieve_tree (*t);
1175 opt.follow_ftp = old_follow_ftp;
1178 status = retrieve_url (*t, &filename, &redirected_URL, NULL, &dt, opt.recursive);
1180 if (opt.delete_after && file_exists_p(filename))
1182 DEBUGP (("Removing file due to --delete-after in main():\n"));
1183 logprintf (LOG_VERBOSE, _("Removing %s.\n"), filename);
1184 if (unlink (filename))
1185 logprintf (LOG_NOTQUIET, "unlink: %s\n", strerror (errno));
1188 xfree_null (redirected_URL);
1189 xfree_null (filename);
1192 /* And then from the input file, if any. */
1193 if (opt.input_filename)
1196 status = retrieve_from_file (opt.input_filename, opt.force_html, &count);
1198 logprintf (LOG_NOTQUIET, _("No URLs found in %s.\n"),
1199 opt.input_filename);
1202 /* Print broken links. */
1203 if (opt.recursive && opt.spider)
1205 print_broken_links();
1208 /* Print the downloaded sum. */
1209 if ((opt.recursive || opt.page_requisites
1211 || (opt.input_filename && total_downloaded_bytes != 0))
1213 total_downloaded_bytes != 0)
1215 logprintf (LOG_NOTQUIET,
1216 _("FINISHED --%s--\nDownloaded: %d files, %s in %s (%s)\n"),
1217 datetime_str (time (NULL)),
1219 human_readable (total_downloaded_bytes),
1220 secs_to_human_time (total_download_time),
1221 retr_rate (total_downloaded_bytes, total_download_time));
1222 /* Print quota warning, if exceeded. */
1223 if (opt.quota && total_downloaded_bytes > opt.quota)
1224 logprintf (LOG_NOTQUIET,
1225 _("Download quota of %s EXCEEDED!\n"),
1226 human_readable (opt.quota));
1229 if (opt.cookies_output)
1232 if (opt.convert_links && !opt.delete_after)
1233 convert_all_links ();
1236 for (i = 0; i < nurl; i++)
1241 print_malloc_debug_stats ();
1243 if (status == RETROK)
1248 #endif /* TESTING */
1250 #if defined(SIGHUP) || defined(SIGUSR1)
1252 /* So the signal_name check doesn't blow when only one is available. */
1260 /* Hangup signal handler. When wget receives SIGHUP or SIGUSR1, it
1261 will proceed operation as usual, trying to write into a log file.
1262 If that is impossible, the output will be turned off. */
1265 redirect_output_signal (int sig)
1267 const char *signal_name = (sig == SIGHUP ? "SIGHUP" :
1268 (sig == SIGUSR1 ? "SIGUSR1" :
1270 log_request_redirect_output (signal_name);
1271 progress_schedule_redirect ();
1272 signal (sig, redirect_output_signal);