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 { "default-page", 0, OPT_VALUE, "defaultpage", -1 },
167 { "delete-after", 0, OPT_BOOLEAN, "deleteafter", -1 },
168 { "directories", 0, OPT_BOOLEAN, "dirstruct", -1 },
169 { "directory-prefix", 'P', OPT_VALUE, "dirprefix", -1 },
170 { "dns-cache", 0, OPT_BOOLEAN, "dnscache", -1 },
171 { "dns-timeout", 0, OPT_VALUE, "dnstimeout", -1 },
172 { "domains", 'D', OPT_VALUE, "domains", -1 },
173 { "dont-remove-listing", 0, OPT__DONT_REMOVE_LISTING, NULL, no_argument },
174 { "dot-style", 0, OPT_VALUE, "dotstyle", -1 },
175 { "egd-file", 0, OPT_VALUE, "egdfile", -1 },
176 { "exclude-directories", 'X', OPT_VALUE, "excludedirectories", -1 },
177 { "exclude-domains", 0, OPT_VALUE, "excludedomains", -1 },
178 { "execute", 'e', OPT__EXECUTE, NULL, required_argument },
179 { "follow-ftp", 0, OPT_BOOLEAN, "followftp", -1 },
180 { "follow-tags", 0, OPT_VALUE, "followtags", -1 },
181 { "force-directories", 'x', OPT_BOOLEAN, "dirstruct", -1 },
182 { "force-html", 'F', OPT_BOOLEAN, "forcehtml", -1 },
183 { "ftp-password", 0, OPT_VALUE, "ftppassword", -1 },
184 { "ftp-user", 0, OPT_VALUE, "ftpuser", -1 },
185 { "glob", 0, OPT_BOOLEAN, "glob", -1 },
186 { "header", 0, OPT_VALUE, "header", -1 },
187 { "help", 'h', OPT_FUNCALL, (void *)print_help, no_argument },
188 { "host-directories", 0, OPT_BOOLEAN, "addhostdir", -1 },
189 { "html-extension", 'E', OPT_BOOLEAN, "htmlextension", -1 },
190 { "htmlify", 0, OPT_BOOLEAN, "htmlify", -1 },
191 { "http-keep-alive", 0, OPT_BOOLEAN, "httpkeepalive", -1 },
192 { "http-passwd", 0, OPT_VALUE, "httppassword", -1 }, /* deprecated */
193 { "http-password", 0, OPT_VALUE, "httppassword", -1 },
194 { "http-user", 0, OPT_VALUE, "httpuser", -1 },
195 { "ignore-case", 0, OPT_BOOLEAN, "ignorecase", -1 },
196 { "ignore-length", 0, OPT_BOOLEAN, "ignorelength", -1 },
197 { "ignore-tags", 0, OPT_VALUE, "ignoretags", -1 },
198 { "include-directories", 'I', OPT_VALUE, "includedirectories", -1 },
200 { "inet4-only", '4', OPT_BOOLEAN, "inet4only", -1 },
201 { "inet6-only", '6', OPT_BOOLEAN, "inet6only", -1 },
203 { "input-file", 'i', OPT_VALUE, "input", -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 { "max-redirect", 0, OPT_VALUE, "maxredirect", -1 },
209 { "mirror", 'm', OPT_BOOLEAN, "mirror", -1 },
210 { "no", 'n', OPT__NO, NULL, required_argument },
211 { "no-clobber", 0, OPT_BOOLEAN, "noclobber", -1 },
212 { "no-parent", 0, OPT_BOOLEAN, "noparent", -1 },
213 { "output-document", 'O', OPT_VALUE, "outputdocument", -1 },
214 { "output-file", 'o', OPT_VALUE, "logfile", -1 },
215 { "page-requisites", 'p', OPT_BOOLEAN, "pagerequisites", -1 },
216 { "parent", 0, OPT__PARENT, NULL, optional_argument },
217 { "passive-ftp", 0, OPT_BOOLEAN, "passiveftp", -1 },
218 { "password", 0, OPT_VALUE, "password", -1 },
219 { "post-data", 0, OPT_VALUE, "postdata", -1 },
220 { "post-file", 0, OPT_VALUE, "postfile", -1 },
221 { "prefer-family", 0, OPT_VALUE, "preferfamily", -1 },
222 { "preserve-permissions", 0, OPT_BOOLEAN, "preservepermissions", -1 },
223 { IF_SSL ("private-key"), 0, OPT_VALUE, "privatekey", -1 },
224 { IF_SSL ("private-key-type"), 0, OPT_VALUE, "privatekeytype", -1 },
225 { "progress", 0, OPT_VALUE, "progress", -1 },
226 { "protocol-directories", 0, OPT_BOOLEAN, "protocoldirectories", -1 },
227 { "proxy", 0, OPT_BOOLEAN, "useproxy", -1 },
228 { "proxy__compat", 'Y', OPT_VALUE, "useproxy", -1 }, /* back-compatible */
229 { "proxy-passwd", 0, OPT_VALUE, "proxypassword", -1 }, /* deprecated */
230 { "proxy-password", 0, OPT_VALUE, "proxypassword", -1 },
231 { "proxy-user", 0, OPT_VALUE, "proxyuser", -1 },
232 { "quiet", 'q', OPT_BOOLEAN, "quiet", -1 },
233 { "quota", 'Q', OPT_VALUE, "quota", -1 },
234 { "random-file", 0, OPT_VALUE, "randomfile", -1 },
235 { "random-wait", 0, OPT_BOOLEAN, "randomwait", -1 },
236 { "read-timeout", 0, OPT_VALUE, "readtimeout", -1 },
237 { "recursive", 'r', OPT_BOOLEAN, "recursive", -1 },
238 { "referer", 0, OPT_VALUE, "referer", -1 },
239 { "reject", 'R', OPT_VALUE, "reject", -1 },
240 { "relative", 'L', OPT_BOOLEAN, "relativeonly", -1 },
241 { "remove-listing", 0, OPT_BOOLEAN, "removelisting", -1 },
242 { "restrict-file-names", 0, OPT_BOOLEAN, "restrictfilenames", -1 },
243 { "retr-symlinks", 0, OPT_BOOLEAN, "retrsymlinks", -1 },
244 { "retry-connrefused", 0, OPT_BOOLEAN, "retryconnrefused", -1 },
245 { "save-cookies", 0, OPT_VALUE, "savecookies", -1 },
246 { "save-headers", 0, OPT_BOOLEAN, "saveheaders", -1 },
247 { IF_SSL ("secure-protocol"), 0, OPT_VALUE, "secureprotocol", -1 },
248 { "server-response", 'S', OPT_BOOLEAN, "serverresponse", -1 },
249 { "span-hosts", 'H', OPT_BOOLEAN, "spanhosts", -1 },
250 { "spider", 0, OPT_BOOLEAN, "spider", -1 },
251 { "strict-comments", 0, OPT_BOOLEAN, "strictcomments", -1 },
252 { "timeout", 'T', OPT_VALUE, "timeout", -1 },
253 { "timestamping", 'N', OPT_BOOLEAN, "timestamping", -1 },
254 { "tries", 't', OPT_VALUE, "tries", -1 },
255 { "user", 0, OPT_VALUE, "user", -1 },
256 { "user-agent", 'U', OPT_VALUE, "useragent", -1 },
257 { "verbose", 'v', OPT_BOOLEAN, "verbose", -1 },
258 { "verbose", 0, OPT_BOOLEAN, "verbose", -1 },
259 { "version", 'V', OPT_FUNCALL, (void *) print_version, no_argument },
260 { "wait", 'w', OPT_VALUE, "wait", -1 },
261 { "waitretry", 0, OPT_VALUE, "waitretry", -1 },
263 { "wdebug", 0, OPT_BOOLEAN, "wdebug", -1 },
270 /* Return a string that contains S with "no-" prepended. The string
271 is NUL-terminated and allocated off static storage at Wget
275 no_prefix (const char *s)
277 static char buffer[1024];
278 static char *p = buffer;
281 int size = 3 + strlen (s) + 1; /* "no-STRING\0" */
282 if (p + size >= buffer + sizeof (buffer))
285 cp[0] = 'n', cp[1] = 'o', cp[2] = '-';
291 /* The arguments that that main passes to getopt_long. */
292 static struct option long_options[2 * countof (option_data) + 1];
293 static char short_options[128];
295 /* Mapping between short option chars and option_data indices. */
296 static unsigned char optmap[96];
298 /* Marker for `--no-FOO' values in long_options. */
299 #define BOOLEAN_NEG_MARKER 1024
301 /* Initialize the long_options array used by getopt_long from the data
307 char *p = short_options;
309 for (i = 0; i < countof (option_data); i++)
311 struct cmdline_option *opt = &option_data[i];
312 struct option *longopt;
315 /* The option is disabled. */
318 longopt = &long_options[o++];
319 longopt->name = opt->long_name;
323 *p++ = opt->short_name;
324 optmap[opt->short_name - 32] = longopt - long_options;
329 longopt->has_arg = required_argument;
334 /* Specify an optional argument for long options, so that
335 --option=off works the same as --no-option, for
336 compatibility with pre-1.10 Wget. However, don't specify
337 optional arguments short-option booleans because they
338 prevent combining of short options. */
339 longopt->has_arg = optional_argument;
340 /* For Boolean options, add the "--no-FOO" variant, which is
341 identical to "--foo", except it has opposite meaning and
342 it doesn't allow an argument. */
343 longopt = &long_options[o++];
344 longopt->name = no_prefix (opt->long_name);
345 longopt->has_arg = no_argument;
346 /* Mask the value so we'll be able to recognize that we're
347 dealing with the false value. */
348 longopt->val = i | BOOLEAN_NEG_MARKER;
351 assert (opt->argtype != -1);
352 longopt->has_arg = opt->argtype;
355 if (longopt->has_arg == required_argument)
357 /* Don't handle optional_argument */
361 /* Terminate short_options. */
363 /* No need for xzero(long_options[o]) because its storage is static
364 and it will be zeroed by default. */
365 assert (o <= countof (long_options));
368 /* Print the usage message. */
372 printf (_("Usage: %s [OPTION]... [URL]...\n"), exec_name);
375 /* Print the help message, describing all the available options. If
376 you add an option, be sure to update this list. */
380 /* We split the help text this way to ease translation of individual
382 static const char *help[] = {
385 Mandatory arguments to long options are mandatory for short options too.\n\n"),
389 -V, --version display the version of Wget and exit.\n"),
391 -h, --help print this help.\n"),
393 -b, --background go to background after startup.\n"),
395 -e, --execute=COMMAND execute a `.wgetrc'-style command.\n"),
399 Logging and input file:\n"),
401 -o, --output-file=FILE log messages to FILE.\n"),
403 -a, --append-output=FILE append messages to FILE.\n"),
406 -d, --debug print lots of debugging information.\n"),
410 --wdebug print Watt-32 debug output.\n"),
413 -q, --quiet quiet (no output).\n"),
415 -v, --verbose be verbose (this is the default).\n"),
417 -nv, --no-verbose turn off verboseness, without being quiet.\n"),
419 -i, --input-file=FILE download URLs found in local or external FILE.\n"),
421 -F, --force-html treat input file as HTML.\n"),
423 -B, --base=URL prepends URL to relative links in -F -i file.\n"),
429 -t, --tries=NUMBER set number of retries to NUMBER (0 unlimits).\n"),
431 --retry-connrefused retry even if connection is refused.\n"),
433 -O, --output-document=FILE write documents to FILE.\n"),
435 -nc, --no-clobber skip downloads that would download to\n\
438 -c, --continue resume getting a partially-downloaded file.\n"),
440 --progress=TYPE select progress gauge type.\n"),
442 -N, --timestamping don't re-retrieve files unless newer than\n\
445 -S, --server-response print server response.\n"),
447 --spider don't download anything.\n"),
449 -T, --timeout=SECONDS set all timeout values to SECONDS.\n"),
451 --dns-timeout=SECS set the DNS lookup timeout to SECS.\n"),
453 --connect-timeout=SECS set the connect timeout to SECS.\n"),
455 --read-timeout=SECS set the read timeout to SECS.\n"),
457 -w, --wait=SECONDS wait SECONDS between retrievals.\n"),
459 --waitretry=SECONDS wait 1..SECONDS between retries of a retrieval.\n"),
461 --random-wait wait from 0...2*WAIT secs between retrievals.\n"),
463 --no-proxy explicitly turn off proxy.\n"),
465 -Q, --quota=NUMBER set retrieval quota to NUMBER.\n"),
467 --bind-address=ADDRESS bind to ADDRESS (hostname or IP) on local host.\n"),
469 --limit-rate=RATE limit download rate to RATE.\n"),
471 --no-dns-cache disable caching DNS lookups.\n"),
473 --restrict-file-names=OS restrict chars in file names to ones OS allows.\n"),
475 --ignore-case ignore case when matching files/directories.\n"),
478 -4, --inet4-only connect only to IPv4 addresses.\n"),
480 -6, --inet6-only connect only to IPv6 addresses.\n"),
482 --prefer-family=FAMILY connect first to addresses of specified family,\n\
483 one of IPv6, IPv4, or none.\n"),
486 --user=USER set both ftp and http user to USER.\n"),
488 --password=PASS set both ftp and http password to PASS.\n"),
490 --ask-password prompt for passwords.\n"),
496 -nd, --no-directories don't create directories.\n"),
498 -x, --force-directories force creation of directories.\n"),
500 -nH, --no-host-directories don't create host directories.\n"),
502 --protocol-directories use protocol name in directories.\n"),
504 -P, --directory-prefix=PREFIX save files to PREFIX/...\n"),
506 --cut-dirs=NUMBER ignore NUMBER remote directory components.\n"),
512 --http-user=USER set http user to USER.\n"),
514 --http-password=PASS set http password to PASS.\n"),
516 --no-cache disallow server-cached data.\n"),
518 --default-page=NAME Change the default page name (normally\n\
519 this is `index.html'.).\n"),
521 -E, --html-extension save HTML documents with `.html' extension.\n"),
523 --ignore-length ignore `Content-Length' header field.\n"),
525 --header=STRING insert STRING among the headers.\n"),
527 --max-redirect maximum redirections allowed per page.\n"),
529 --proxy-user=USER set USER as proxy username.\n"),
531 --proxy-password=PASS set PASS as proxy password.\n"),
533 --referer=URL include `Referer: URL' header in HTTP request.\n"),
535 --save-headers save the HTTP headers to file.\n"),
537 -U, --user-agent=AGENT identify as AGENT instead of Wget/VERSION.\n"),
539 --no-http-keep-alive disable HTTP keep-alive (persistent connections).\n"),
541 --no-cookies don't use cookies.\n"),
543 --load-cookies=FILE load cookies from FILE before session.\n"),
545 --save-cookies=FILE save cookies to FILE after session.\n"),
547 --keep-session-cookies load and save session (non-permanent) cookies.\n"),
549 --post-data=STRING use the POST method; send STRING as the data.\n"),
551 --post-file=FILE use the POST method; send contents of FILE.\n"),
553 --content-disposition honor the Content-Disposition header when\n\
554 choosing local file names (EXPERIMENTAL).\n"),
556 --auth-no-challenge Send Basic HTTP authentication information\n\
557 without first waiting for the server's\n\
563 HTTPS (SSL/TLS) options:\n"),
565 --secure-protocol=PR choose secure protocol, one of auto, SSLv2,\n\
566 SSLv3, and TLSv1.\n"),
568 --no-check-certificate don't validate the server's certificate.\n"),
570 --certificate=FILE client certificate file.\n"),
572 --certificate-type=TYPE client certificate type, PEM or DER.\n"),
574 --private-key=FILE private key file.\n"),
576 --private-key-type=TYPE private key type, PEM or DER.\n"),
578 --ca-certificate=FILE file with the bundle of CA's.\n"),
580 --ca-directory=DIR directory where hash list of CA's is stored.\n"),
582 --random-file=FILE file with random data for seeding the SSL PRNG.\n"),
584 --egd-file=FILE file naming the EGD socket with random data.\n"),
586 #endif /* HAVE_SSL */
591 --ftp-user=USER set ftp user to USER.\n"),
593 --ftp-password=PASS set ftp password to PASS.\n"),
595 --no-remove-listing don't remove `.listing' files.\n"),
597 --no-glob turn off FTP file name globbing.\n"),
599 --no-passive-ftp disable the \"passive\" transfer mode.\n"),
601 --retr-symlinks when recursing, get linked-to files (not dir).\n"),
603 --preserve-permissions preserve remote file permissions.\n"),
607 Recursive download:\n"),
609 -r, --recursive specify recursive download.\n"),
611 -l, --level=NUMBER maximum recursion depth (inf or 0 for infinite).\n"),
613 --delete-after delete files locally after downloading them.\n"),
615 -k, --convert-links make links in downloaded HTML or CSS point to\n\
618 -K, --backup-converted before converting file X, back up as X.orig.\n"),
620 -m, --mirror shortcut for -N -r -l inf --no-remove-listing.\n"),
622 -p, --page-requisites get all images, etc. needed to display HTML page.\n"),
624 --strict-comments turn on strict (SGML) handling of HTML comments.\n"),
628 Recursive accept/reject:\n"),
630 -A, --accept=LIST comma-separated list of accepted extensions.\n"),
632 -R, --reject=LIST comma-separated list of rejected extensions.\n"),
634 -D, --domains=LIST comma-separated list of accepted domains.\n"),
636 --exclude-domains=LIST comma-separated list of rejected domains.\n"),
638 --follow-ftp follow FTP links from HTML documents.\n"),
640 --follow-tags=LIST comma-separated list of followed HTML tags.\n"),
642 --ignore-tags=LIST comma-separated list of ignored HTML tags.\n"),
644 -H, --span-hosts go to foreign hosts when recursive.\n"),
646 -L, --relative follow relative links only.\n"),
648 -I, --include-directories=LIST list of allowed directories.\n"),
650 -X, --exclude-directories=LIST list of excluded directories.\n"),
652 -np, --no-parent don't ascend to the parent directory.\n"),
655 N_("Mail bug reports and suggestions to <bug-wget@gnu.org>.\n")
660 printf (_("GNU Wget %s, a non-interactive network retriever.\n"),
664 for (i = 0; i < countof (help); i++)
665 fputs (_(help[i]), stdout);
670 /* Return a human-readable printed representation of INTERVAL,
671 measured in seconds. */
674 secs_to_human_time (double interval)
677 int secs = (int) (interval + 0.5);
678 int hours, mins, days;
680 days = secs / 86400, secs %= 86400;
681 hours = secs / 3600, secs %= 3600;
682 mins = secs / 60, secs %= 60;
685 sprintf (buf, "%dd %dh %dm %ds", days, hours, mins, secs);
687 sprintf (buf, "%dh %dm %ds", hours, mins, secs);
689 sprintf (buf, "%dm %ds", mins, secs);
691 sprintf (buf, "%ss", print_decimal (interval));
697 prompt_for_password (void)
700 printf (_("Password for user %s: "), quote (opt.user));
702 printf (_("Password: "));
706 /* Function that prints the line argument while limiting it
707 to at most line_length. prefix is printed on the first line
708 and an appropriate number of spaces are added on subsequent
711 format_and_print_line (char* prefix, char* line,
714 assert (prefix != NULL);
715 assert (line != NULL);
717 if (line_length <= 0)
718 line_length = max_chars_per_line;
720 const int leading_spaces = strlen (prefix);
721 printf ("%s", prefix);
722 int remaining_chars = line_length - leading_spaces;
723 /* We break on spaces. */
724 char* token = strtok (line, " ");
725 while (token != NULL)
727 /* If however a token is much larger than the maximum
728 line length, all bets are off and we simply print the
729 token on the next line. */
730 if (remaining_chars <= strlen (token))
734 for (j = 0; j < leading_spaces; j++)
738 remaining_chars = line_length - leading_spaces;
740 printf ("%s ", token);
741 remaining_chars -= strlen (token) + 1; // account for " "
742 token = strtok (NULL, " ");
753 const char *options_title = "Options : ";
754 const char *wgetrc_title = "Wgetrc : ";
755 const char *locale_title = "Locale : ";
756 const char *compile_title = "Compile : ";
757 const char *link_title = "Link : ";
758 const char *prefix_spaces = " ";
759 const int prefix_space_length = strlen (prefix_spaces);
761 printf ("GNU Wget %s\n", version_string);
762 printf (options_title);
763 /* compiled_features is a char*[]. We limit the characters per
764 line to max_chars_per_line and prefix each line with a constant
765 number of spaces for proper alignment. */
767 for (i = 0; compiled_features[i] != NULL; )
769 int line_length = max_chars_per_line - prefix_space_length;
770 while ((line_length > 0) && (compiled_features[i] != NULL))
772 printf ("%s ", compiled_features[i]);
773 line_length -= strlen (compiled_features[i]) + 2;
777 if (compiled_features[i] != NULL)
779 printf (prefix_spaces);
782 /* Handle the case when $WGETRC is unset and $HOME/.wgetrc is
784 printf (wgetrc_title);
785 char *env_wgetrc = wgetrc_env_file_name ();
786 if (env_wgetrc && *env_wgetrc)
788 printf ("%s (env)\n%s", env_wgetrc, prefix_spaces);
791 char *user_wgetrc = wgetrc_user_file_name ();
794 printf ("%s (user)\n%s", user_wgetrc, prefix_spaces);
797 printf ("%s (system)\n", system_wgetrc);
799 format_and_print_line (strdup (locale_title),
803 format_and_print_line (strdup (compile_title),
804 strdup (compilation_string),
807 format_and_print_line (strdup (link_title),
808 strdup (link_string),
811 /* TRANSLATORS: When available, an actual copyright character
812 (cirle-c) should be used in preference to "(C)". */
814 Copyright (C) 2008 Free Software Foundation, Inc.\n"), stdout);
816 License GPLv3+: GNU GPL version 3 or later\n\
817 <http://www.gnu.org/licenses/gpl.html>.\n\
818 This is free software: you are free to change and redistribute it.\n\
819 There is NO WARRANTY, to the extent permitted by law.\n"), stdout);
820 /* TRANSLATORS: When available, please use the proper diacritics for
821 names such as this one. See en_US.po for reference. */
822 fputs (_("\nOriginally written by Hrvoje Niksic <hniksic@xemacs.org>.\n"),
824 fputs (_("Currently maintained by Micah Cowan <micah@cowan.name>.\n"),
830 main (int argc, char **argv)
833 int i, ret, longindex;
835 bool append_to_log = false;
839 /* Construct the name of the executable, without the directory part. */
840 exec_name = strrchr (argv[0], PATH_SEPARATOR);
847 /* Drop extension (typically .EXE) from executable filename. */
848 windows_main ((char **) &exec_name);
851 /* Set option defaults; read the system wgetrc and ~/.wgetrc. */
856 while ((ret = getopt_long (argc, argv,
857 short_options, long_options, &longindex)) != -1)
860 struct cmdline_option *opt;
862 /* If LONGINDEX is unchanged, it means RET is referring a short
870 printf (_("Try `%s --help' for more options.\n"), exec_name);
873 /* Find the short option character in the mapping. */
874 longindex = optmap[ret - 32];
876 val = long_options[longindex].val;
878 /* Use the retrieved value to locate the option in the
879 option_data array, and to see if we're dealing with the
880 negated "--no-FOO" variant of the boolean option "--foo". */
881 opt = &option_data[val & ~BOOLEAN_NEG_MARKER];
885 setoptval (opt->data, optarg, opt->long_name);
889 /* The user has specified a value -- use it. */
890 setoptval (opt->data, optarg, opt->long_name);
893 /* NEG is true for `--no-FOO' style boolean options. */
894 bool neg = !!(val & BOOLEAN_NEG_MARKER);
895 setoptval (opt->data, neg ? "0" : "1", opt->long_name);
900 void (*func) (void) = (void (*) (void)) opt->data;
904 case OPT__APPEND_OUTPUT:
905 setoptval ("logfile", optarg, opt->long_name);
906 append_to_log = true;
909 run_command (optarg);
913 /* We support real --no-FOO flags now, but keep these
914 short options for convenience and backward
917 for (p = optarg; *p; p++)
921 setoptval ("verbose", "0", opt->long_name);
924 setoptval ("addhostdir", "0", opt->long_name);
927 setoptval ("dirstruct", "0", opt->long_name);
930 setoptval ("noclobber", "1", opt->long_name);
933 setoptval ("noparent", "1", opt->long_name);
936 printf (_("%s: illegal option -- `-n%c'\n"), exec_name, *p);
939 printf (_("Try `%s --help' for more options.\n"), exec_name);
947 /* The wgetrc commands are named noparent and noclobber,
948 so we must revert the meaning of the cmdline options
949 before passing the value to setoptval. */
952 flag = (*optarg == '1' || c_tolower (*optarg) == 'y'
953 || (c_tolower (optarg[0]) == 'o'
954 && c_tolower (optarg[1]) == 'n'));
955 setoptval (opt->type == OPT__PARENT ? "noparent" : "noclobber",
956 flag ? "0" : "1", opt->long_name);
959 case OPT__DONT_REMOVE_LISTING:
960 setoptval ("removelisting", "0", opt->long_name);
967 nurl = argc - optind;
969 /* All user options have now been processed, so it's now safe to do
970 interoption dependency checks. */
972 if (opt.reclevel == 0)
973 opt.reclevel = INFINITE_RECURSION; /* see recur.h for commentary */
975 if (opt.spider || opt.delete_after)
976 opt.no_dirstruct = true;
978 if (opt.page_requisites && !opt.recursive)
980 /* Don't set opt.recursive here because it would confuse the FTP
981 code. Instead, call retrieve_tree below when either
982 page_requisites or recursive is requested. */
984 if (!opt.no_dirstruct)
985 opt.dirstruct = 1; /* normally handled by cmd_spec_recursive() */
988 if (opt.verbose == -1)
989 opt.verbose = !opt.quiet;
992 if (opt.verbose && opt.quiet)
994 printf (_("Can't be verbose and quiet at the same time.\n"));
998 if (opt.timestamping && opt.noclobber)
1001 Can't timestamp and not clobber old files at the same time.\n"));
1006 if (opt.ipv4_only && opt.ipv6_only)
1008 printf (_("Cannot specify both --inet4-only and --inet6-only.\n"));
1013 if (opt.output_document)
1015 if (opt.convert_links
1016 && (nurl > 1 || opt.page_requisites || opt.recursive))
1019 Cannot specify both -k and -O if multiple URLs are given, or in combination\n\
1020 with -p or -r. See the manual for details.\n\n"), stdout);
1024 if (opt.page_requisites
1027 logprintf (LOG_NOTQUIET, "%s", _("\
1028 WARNING: combining -O with -r or -p will mean that all downloaded content\n\
1029 will be placed in the single file you specified.\n\n"));
1031 if (opt.timestamping)
1033 logprintf (LOG_NOTQUIET, "%s", _("\
1034 WARNING: timestamping does nothing in combination with -O. See the manual\n\
1035 for details.\n\n"));
1036 opt.timestamping = false;
1038 if (opt.noclobber && file_exists_p(opt.output_document))
1040 /* Check if output file exists; if it does, exit. */
1041 logprintf (LOG_VERBOSE, _("File `%s' already there; not retrieving.\n"), opt.output_document);
1046 if (opt.ask_passwd && opt.passwd)
1048 printf (_("Cannot specify both --ask-password and --password.\n"));
1053 if (!nurl && !opt.input_filename)
1055 /* No URL specified. */
1056 printf (_("%s: missing URL\n"), exec_name);
1059 /* #### Something nicer should be printed here -- similar to the
1060 pre-1.5 `--help' page. */
1061 printf (_("Try `%s --help' for more options.\n"), exec_name);
1067 opt.passwd = prompt_for_password ();
1069 if (opt.passwd == NULL || opt.passwd[0] == '\0')
1079 fork_to_background ();
1082 /* Initialize progress. Have to do this after the options are
1083 processed so we know where the log file is. */
1085 set_progress_implementation (opt.progress_type);
1087 /* Fill in the arguments. */
1088 url = alloca_array (char *, nurl + 1);
1089 for (i = 0; i < nurl; i++, optind++)
1091 char *rewritten = rewrite_shorthand_url (argv[optind]);
1095 url[i] = xstrdup (argv[optind]);
1099 /* Initialize logging. */
1100 log_init (opt.lfilename, append_to_log);
1102 DEBUGP (("DEBUG output created by Wget %s on %s.\n\n", version_string,
1105 /* Open the output filename if necessary. */
1106 if (opt.output_document)
1108 if (HYPHENP (opt.output_document))
1112 result = freopen (NULL, "wb", stdout);
1115 logputs (LOG_NOTQUIET, _("\
1116 WARNING: Can't reopen standard output in binary mode;\n\
1117 downloaded file may contain inappropriate line endings.\n"));
1120 output_stream = stdout;
1125 output_stream = fopen (opt.output_document,
1126 opt.always_rest ? "ab" : "wb");
1127 if (output_stream == NULL)
1129 perror (opt.output_document);
1132 if (fstat (fileno (output_stream), &st) == 0 && S_ISREG (st.st_mode))
1133 output_stream_regular = true;
1142 /* Setup the signal handler to redirect output when hangup is
1144 if (signal(SIGHUP, SIG_IGN) != SIG_IGN)
1145 signal(SIGHUP, redirect_output_signal);
1147 /* ...and do the same for SIGUSR1. */
1149 signal (SIGUSR1, redirect_output_signal);
1152 /* Writing to a closed socket normally signals SIGPIPE, and the
1153 process exits. What we want is to ignore SIGPIPE and just check
1154 for the return value of write(). */
1155 signal (SIGPIPE, SIG_IGN);
1158 signal (SIGWINCH, progress_handle_sigwinch);
1161 status = RETROK; /* initialize it, just-in-case */
1162 /* Retrieve the URLs from argument list. */
1163 for (t = url; *t; t++)
1165 char *filename = NULL, *redirected_URL = NULL;
1168 if ((opt.recursive || opt.page_requisites)
1169 && (url_scheme (*t) != SCHEME_FTP || url_uses_proxy (*t)))
1171 int old_follow_ftp = opt.follow_ftp;
1173 /* Turn opt.follow_ftp on in case of recursive FTP retrieval */
1174 if (url_scheme (*t) == SCHEME_FTP)
1177 status = retrieve_tree (*t);
1179 opt.follow_ftp = old_follow_ftp;
1182 status = retrieve_url (*t, &filename, &redirected_URL, NULL, &dt, opt.recursive);
1184 if (opt.delete_after && file_exists_p(filename))
1186 DEBUGP (("Removing file due to --delete-after in main():\n"));
1187 logprintf (LOG_VERBOSE, _("Removing %s.\n"), filename);
1188 if (unlink (filename))
1189 logprintf (LOG_NOTQUIET, "unlink: %s\n", strerror (errno));
1192 xfree_null (redirected_URL);
1193 xfree_null (filename);
1196 /* And then from the input file, if any. */
1197 if (opt.input_filename)
1200 status = retrieve_from_file (opt.input_filename, opt.force_html, &count);
1202 logprintf (LOG_NOTQUIET, _("No URLs found in %s.\n"),
1203 opt.input_filename);
1206 /* Print broken links. */
1207 if (opt.recursive && opt.spider)
1209 print_broken_links();
1212 /* Print the downloaded sum. */
1213 if ((opt.recursive || opt.page_requisites
1215 || (opt.input_filename && total_downloaded_bytes != 0))
1217 total_downloaded_bytes != 0)
1219 logprintf (LOG_NOTQUIET,
1220 _("FINISHED --%s--\nDownloaded: %d files, %s in %s (%s)\n"),
1221 datetime_str (time (NULL)),
1223 human_readable (total_downloaded_bytes),
1224 secs_to_human_time (total_download_time),
1225 retr_rate (total_downloaded_bytes, total_download_time));
1226 /* Print quota warning, if exceeded. */
1227 if (opt.quota && total_downloaded_bytes > opt.quota)
1228 logprintf (LOG_NOTQUIET,
1229 _("Download quota of %s EXCEEDED!\n"),
1230 human_readable (opt.quota));
1233 if (opt.cookies_output)
1236 if (opt.convert_links && !opt.delete_after)
1237 convert_all_links ();
1240 for (i = 0; i < nurl; i++)
1245 print_malloc_debug_stats ();
1247 if (status == RETROK)
1252 #endif /* TESTING */
1254 #if defined(SIGHUP) || defined(SIGUSR1)
1256 /* So the signal_name check doesn't blow when only one is available. */
1264 /* Hangup signal handler. When wget receives SIGHUP or SIGUSR1, it
1265 will proceed operation as usual, trying to write into a log file.
1266 If that is impossible, the output will be turned off. */
1269 redirect_output_signal (int sig)
1271 const char *signal_name = (sig == SIGHUP ? "SIGHUP" :
1272 (sig == SIGUSR1 ? "SIGUSR1" :
1274 log_request_redirect_output (signal_name);
1275 progress_schedule_redirect ();
1276 signal (sig, redirect_output_signal);