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 */
56 #include "progress.h" /* for progress_handle_sigwinch */
59 #include "http.h" /* for save_cookies */
65 #ifndef PATH_SEPARATOR
66 # define PATH_SEPARATOR '/'
71 /* defined in version.c */
72 extern char *version_string;
73 extern char *compilation_string;
74 extern char *system_getrc;
75 extern char *link_string;
76 /* defined in build_info.c */
77 extern char *compiled_features[];
78 extern char *system_wgetrc;
79 extern char *locale_dir;
80 /* Used for --version output in print_version */
81 static const int max_chars_per_line = 72;
83 #if defined(SIGHUP) || defined(SIGUSR1)
84 static void redirect_output_signal (int);
87 const char *exec_name;
90 /* Initialize I18N/L10N. That amounts to invoking setlocale, and
91 setting up gettext's message catalog using bindtextdomain and
92 textdomain. Does nothing if NLS is disabled or missing. */
95 i18n_initialize (void)
97 /* ENABLE_NLS implies existence of functions invoked here. */
99 /* Set the current locale. */
100 setlocale (LC_ALL, "");
101 /* Set the text message domain. */
102 bindtextdomain ("wget", LOCALEDIR);
104 #endif /* ENABLE_NLS */
107 /* Definition of command-line options. */
109 static void print_help (void);
110 static void print_version (void);
115 # define IF_SSL(x) NULL
119 # define WHEN_DEBUG(x) x
121 # define WHEN_DEBUG(x) NULL
124 struct cmdline_option {
125 const char *long_name;
131 /* Non-standard options that have to be handled specially in
135 OPT__DONT_REMOVE_LISTING,
140 const void *data; /* for standard options */
141 int argtype; /* for non-standard options */
144 static struct cmdline_option option_data[] =
146 { "accept", 'A', OPT_VALUE, "accept", -1 },
147 { "append-output", 'a', OPT__APPEND_OUTPUT, NULL, required_argument },
148 { "ask-password", 0, OPT_BOOLEAN, "askpassword", -1 },
149 { "auth-no-challenge", 0, OPT_BOOLEAN, "authnochallenge", -1 },
150 { "background", 'b', OPT_BOOLEAN, "background", -1 },
151 { "backup-converted", 'K', OPT_BOOLEAN, "backupconverted", -1 },
152 { "backups", 0, OPT_BOOLEAN, "backups", -1 },
153 { "base", 'B', OPT_VALUE, "base", -1 },
154 { "bind-address", 0, OPT_VALUE, "bindaddress", -1 },
155 { IF_SSL ("ca-certificate"), 0, OPT_VALUE, "cacertificate", -1 },
156 { IF_SSL ("ca-directory"), 0, OPT_VALUE, "cadirectory", -1 },
157 { "cache", 0, OPT_BOOLEAN, "cache", -1 },
158 { IF_SSL ("certificate"), 0, OPT_VALUE, "certificate", -1 },
159 { IF_SSL ("certificate-type"), 0, OPT_VALUE, "certificatetype", -1 },
160 { IF_SSL ("check-certificate"), 0, OPT_BOOLEAN, "checkcertificate", -1 },
161 { "clobber", 0, OPT__CLOBBER, NULL, optional_argument },
162 { "connect-timeout", 0, OPT_VALUE, "connecttimeout", -1 },
163 { "continue", 'c', OPT_BOOLEAN, "continue", -1 },
164 { "convert-links", 'k', OPT_BOOLEAN, "convertlinks", -1 },
165 { "content-disposition", 0, OPT_BOOLEAN, "contentdisposition", -1 },
166 { "cookies", 0, OPT_BOOLEAN, "cookies", -1 },
167 { "cut-dirs", 0, OPT_VALUE, "cutdirs", -1 },
168 { WHEN_DEBUG ("debug"), 'd', OPT_BOOLEAN, "debug", -1 },
169 { "delete-after", 0, OPT_BOOLEAN, "deleteafter", -1 },
170 { "directories", 0, OPT_BOOLEAN, "dirstruct", -1 },
171 { "directory-prefix", 'P', OPT_VALUE, "dirprefix", -1 },
172 { "dns-cache", 0, OPT_BOOLEAN, "dnscache", -1 },
173 { "dns-timeout", 0, OPT_VALUE, "dnstimeout", -1 },
174 { "domains", 'D', OPT_VALUE, "domains", -1 },
175 { "dont-remove-listing", 0, OPT__DONT_REMOVE_LISTING, NULL, no_argument },
176 { "dot-style", 0, OPT_VALUE, "dotstyle", -1 },
177 { "egd-file", 0, OPT_VALUE, "egdfile", -1 },
178 { "exclude-directories", 'X', OPT_VALUE, "excludedirectories", -1 },
179 { "exclude-domains", 0, OPT_VALUE, "excludedomains", -1 },
180 { "execute", 'e', OPT__EXECUTE, NULL, required_argument },
181 { "follow-ftp", 0, OPT_BOOLEAN, "followftp", -1 },
182 { "follow-tags", 0, OPT_VALUE, "followtags", -1 },
183 { "force-directories", 'x', OPT_BOOLEAN, "dirstruct", -1 },
184 { "force-html", 'F', OPT_BOOLEAN, "forcehtml", -1 },
185 { "ftp-password", 0, OPT_VALUE, "ftppassword", -1 },
186 { "ftp-user", 0, OPT_VALUE, "ftpuser", -1 },
187 { "glob", 0, OPT_BOOLEAN, "glob", -1 },
188 { "header", 0, OPT_VALUE, "header", -1 },
189 { "help", 'h', OPT_FUNCALL, (void *)print_help, no_argument },
190 { "host-directories", 0, OPT_BOOLEAN, "addhostdir", -1 },
191 { "html-extension", 'E', OPT_BOOLEAN, "htmlextension", -1 },
192 { "htmlify", 0, OPT_BOOLEAN, "htmlify", -1 },
193 { "http-keep-alive", 0, OPT_BOOLEAN, "httpkeepalive", -1 },
194 { "http-passwd", 0, OPT_VALUE, "httppassword", -1 }, /* deprecated */
195 { "http-password", 0, OPT_VALUE, "httppassword", -1 },
196 { "http-user", 0, OPT_VALUE, "httpuser", -1 },
197 { "ignore-case", 0, OPT_BOOLEAN, "ignorecase", -1 },
198 { "ignore-length", 0, OPT_BOOLEAN, "ignorelength", -1 },
199 { "ignore-tags", 0, OPT_VALUE, "ignoretags", -1 },
200 { "include-directories", 'I', OPT_VALUE, "includedirectories", -1 },
202 { "inet4-only", '4', OPT_BOOLEAN, "inet4only", -1 },
203 { "inet6-only", '6', OPT_BOOLEAN, "inet6only", -1 },
205 { "input-file", 'i', OPT_VALUE, "input", -1 },
206 { "iri", 0, OPT_BOOLEAN, "iri", -1 },
207 { "keep-session-cookies", 0, OPT_BOOLEAN, "keepsessioncookies", -1 },
208 { "level", 'l', OPT_VALUE, "reclevel", -1 },
209 { "limit-rate", 0, OPT_VALUE, "limitrate", -1 },
210 { "load-cookies", 0, OPT_VALUE, "loadcookies", -1 },
211 { "locale", 0, OPT_VALUE, "locale", -1 },
212 { "max-redirect", 0, OPT_VALUE, "maxredirect", -1 },
213 { "mirror", 'm', OPT_BOOLEAN, "mirror", -1 },
214 { "no", 'n', OPT__NO, NULL, required_argument },
215 { "no-clobber", 0, OPT_BOOLEAN, "noclobber", -1 },
216 { "no-parent", 0, OPT_BOOLEAN, "noparent", -1 },
217 { "output-document", 'O', OPT_VALUE, "outputdocument", -1 },
218 { "output-file", 'o', OPT_VALUE, "logfile", -1 },
219 { "page-requisites", 'p', OPT_BOOLEAN, "pagerequisites", -1 },
220 { "parent", 0, OPT__PARENT, NULL, optional_argument },
221 { "passive-ftp", 0, OPT_BOOLEAN, "passiveftp", -1 },
222 { "password", 0, OPT_VALUE, "password", -1 },
223 { "post-data", 0, OPT_VALUE, "postdata", -1 },
224 { "post-file", 0, OPT_VALUE, "postfile", -1 },
225 { "prefer-family", 0, OPT_VALUE, "preferfamily", -1 },
226 { "preserve-permissions", 0, OPT_BOOLEAN, "preservepermissions", -1 },
227 { IF_SSL ("private-key"), 0, OPT_VALUE, "privatekey", -1 },
228 { IF_SSL ("private-key-type"), 0, OPT_VALUE, "privatekeytype", -1 },
229 { "progress", 0, OPT_VALUE, "progress", -1 },
230 { "protocol-directories", 0, OPT_BOOLEAN, "protocoldirectories", -1 },
231 { "proxy", 0, OPT_BOOLEAN, "useproxy", -1 },
232 { "proxy__compat", 'Y', OPT_VALUE, "useproxy", -1 }, /* back-compatible */
233 { "proxy-passwd", 0, OPT_VALUE, "proxypassword", -1 }, /* deprecated */
234 { "proxy-password", 0, OPT_VALUE, "proxypassword", -1 },
235 { "proxy-user", 0, OPT_VALUE, "proxyuser", -1 },
236 { "quiet", 'q', OPT_BOOLEAN, "quiet", -1 },
237 { "quota", 'Q', OPT_VALUE, "quota", -1 },
238 { "random-file", 0, OPT_VALUE, "randomfile", -1 },
239 { "random-wait", 0, OPT_BOOLEAN, "randomwait", -1 },
240 { "read-timeout", 0, OPT_VALUE, "readtimeout", -1 },
241 { "recursive", 'r', OPT_BOOLEAN, "recursive", -1 },
242 { "referer", 0, OPT_VALUE, "referer", -1 },
243 { "reject", 'R', OPT_VALUE, "reject", -1 },
244 { "relative", 'L', OPT_BOOLEAN, "relativeonly", -1 },
245 { "remote-encoding", 0, OPT_VALUE, "remoteencoding", -1},
246 { "remove-listing", 0, OPT_BOOLEAN, "removelisting", -1 },
247 { "restrict-file-names", 0, OPT_BOOLEAN, "restrictfilenames", -1 },
248 { "retr-symlinks", 0, OPT_BOOLEAN, "retrsymlinks", -1 },
249 { "retry-connrefused", 0, OPT_BOOLEAN, "retryconnrefused", -1 },
250 { "save-cookies", 0, OPT_VALUE, "savecookies", -1 },
251 { "save-headers", 0, OPT_BOOLEAN, "saveheaders", -1 },
252 { IF_SSL ("secure-protocol"), 0, OPT_VALUE, "secureprotocol", -1 },
253 { "server-response", 'S', OPT_BOOLEAN, "serverresponse", -1 },
254 { "span-hosts", 'H', OPT_BOOLEAN, "spanhosts", -1 },
255 { "spider", 0, OPT_BOOLEAN, "spider", -1 },
256 { "strict-comments", 0, OPT_BOOLEAN, "strictcomments", -1 },
257 { "timeout", 'T', OPT_VALUE, "timeout", -1 },
258 { "timestamping", 'N', OPT_BOOLEAN, "timestamping", -1 },
259 { "tries", 't', OPT_VALUE, "tries", -1 },
260 { "user", 0, OPT_VALUE, "user", -1 },
261 { "user-agent", 'U', OPT_VALUE, "useragent", -1 },
262 { "verbose", 'v', OPT_BOOLEAN, "verbose", -1 },
263 { "verbose", 0, OPT_BOOLEAN, "verbose", -1 },
264 { "version", 'V', OPT_FUNCALL, (void *) print_version, no_argument },
265 { "wait", 'w', OPT_VALUE, "wait", -1 },
266 { "waitretry", 0, OPT_VALUE, "waitretry", -1 },
268 { "wdebug", 0, OPT_BOOLEAN, "wdebug", -1 },
275 /* Return a string that contains S with "no-" prepended. The string
276 is NUL-terminated and allocated off static storage at Wget
280 no_prefix (const char *s)
282 static char buffer[1024];
283 static char *p = buffer;
286 int size = 3 + strlen (s) + 1; /* "no-STRING\0" */
287 if (p + size >= buffer + sizeof (buffer))
290 cp[0] = 'n', cp[1] = 'o', cp[2] = '-';
296 /* The arguments that that main passes to getopt_long. */
297 static struct option long_options[2 * countof (option_data) + 1];
298 static char short_options[128];
300 /* Mapping between short option chars and option_data indices. */
301 static unsigned char optmap[96];
303 /* Marker for `--no-FOO' values in long_options. */
304 #define BOOLEAN_NEG_MARKER 1024
306 /* Initialize the long_options array used by getopt_long from the data
312 char *p = short_options;
314 for (i = 0; i < countof (option_data); i++)
316 struct cmdline_option *opt = &option_data[i];
317 struct option *longopt;
320 /* The option is disabled. */
323 longopt = &long_options[o++];
324 longopt->name = opt->long_name;
328 *p++ = opt->short_name;
329 optmap[opt->short_name - 32] = longopt - long_options;
334 longopt->has_arg = required_argument;
339 /* Specify an optional argument for long options, so that
340 --option=off works the same as --no-option, for
341 compatibility with pre-1.10 Wget. However, don't specify
342 optional arguments short-option booleans because they
343 prevent combining of short options. */
344 longopt->has_arg = optional_argument;
345 /* For Boolean options, add the "--no-FOO" variant, which is
346 identical to "--foo", except it has opposite meaning and
347 it doesn't allow an argument. */
348 longopt = &long_options[o++];
349 longopt->name = no_prefix (opt->long_name);
350 longopt->has_arg = no_argument;
351 /* Mask the value so we'll be able to recognize that we're
352 dealing with the false value. */
353 longopt->val = i | BOOLEAN_NEG_MARKER;
356 assert (opt->argtype != -1);
357 longopt->has_arg = opt->argtype;
360 if (longopt->has_arg == required_argument)
362 /* Don't handle optional_argument */
366 /* Terminate short_options. */
368 /* No need for xzero(long_options[o]) because its storage is static
369 and it will be zeroed by default. */
370 assert (o <= countof (long_options));
373 /* Print the usage message. */
377 printf (_("Usage: %s [OPTION]... [URL]...\n"), exec_name);
380 /* Print the help message, describing all the available options. If
381 you add an option, be sure to update this list. */
385 /* We split the help text this way to ease translation of individual
387 static const char *help[] = {
390 Mandatory arguments to long options are mandatory for short options too.\n\n"),
394 -V, --version display the version of Wget and exit.\n"),
396 -h, --help print this help.\n"),
398 -b, --background go to background after startup.\n"),
400 -e, --execute=COMMAND execute a `.wgetrc'-style command.\n"),
404 Logging and input file:\n"),
406 -o, --output-file=FILE log messages to FILE.\n"),
408 -a, --append-output=FILE append messages to FILE.\n"),
411 -d, --debug print lots of debugging information.\n"),
415 --wdebug print Watt-32 debug output.\n"),
418 -q, --quiet quiet (no output).\n"),
420 -v, --verbose be verbose (this is the default).\n"),
422 -nv, --no-verbose turn off verboseness, without being quiet.\n"),
424 -i, --input-file=FILE download URLs found in local or external FILE.\n"),
426 -F, --force-html treat input file as HTML.\n"),
428 -B, --base=URL prepends URL to relative links in -F -i file.\n"),
434 -t, --tries=NUMBER set number of retries to NUMBER (0 unlimits).\n"),
436 --retry-connrefused retry even if connection is refused.\n"),
438 -O, --output-document=FILE write documents to FILE.\n"),
440 -nc, --no-clobber skip downloads that would download to\n\
443 -c, --continue resume getting a partially-downloaded file.\n"),
445 --progress=TYPE select progress gauge type.\n"),
447 -N, --timestamping don't re-retrieve files unless newer than\n\
450 -S, --server-response print server response.\n"),
452 --spider don't download anything.\n"),
454 -T, --timeout=SECONDS set all timeout values to SECONDS.\n"),
456 --dns-timeout=SECS set the DNS lookup timeout to SECS.\n"),
458 --connect-timeout=SECS set the connect timeout to SECS.\n"),
460 --read-timeout=SECS set the read timeout to SECS.\n"),
462 -w, --wait=SECONDS wait SECONDS between retrievals.\n"),
464 --waitretry=SECONDS wait 1..SECONDS between retries of a retrieval.\n"),
466 --random-wait wait from 0...2*WAIT secs between retrievals.\n"),
468 --no-proxy explicitly turn off proxy.\n"),
470 -Q, --quota=NUMBER set retrieval quota to NUMBER.\n"),
472 --bind-address=ADDRESS bind to ADDRESS (hostname or IP) on local host.\n"),
474 --limit-rate=RATE limit download rate to RATE.\n"),
476 --no-dns-cache disable caching DNS lookups.\n"),
478 --restrict-file-names=OS restrict chars in file names to ones OS allows.\n"),
480 --ignore-case ignore case when matching files/directories.\n"),
483 -4, --inet4-only connect only to IPv4 addresses.\n"),
485 -6, --inet6-only connect only to IPv6 addresses.\n"),
487 --prefer-family=FAMILY connect first to addresses of specified family,\n\
488 one of IPv6, IPv4, or none.\n"),
491 --user=USER set both ftp and http user to USER.\n"),
493 --password=PASS set both ftp and http password to PASS.\n"),
495 --ask-password prompt for passwords.\n"),
501 -nd, --no-directories don't create directories.\n"),
503 -x, --force-directories force creation of directories.\n"),
505 -nH, --no-host-directories don't create host directories.\n"),
507 --protocol-directories use protocol name in directories.\n"),
509 -P, --directory-prefix=PREFIX save files to PREFIX/...\n"),
511 --cut-dirs=NUMBER ignore NUMBER remote directory components.\n"),
517 --http-user=USER set http user to USER.\n"),
519 --http-password=PASS set http password to PASS.\n"),
521 --no-cache disallow server-cached data.\n"),
523 -E, --html-extension save HTML documents with `.html' extension.\n"),
525 --ignore-length ignore `Content-Length' header field.\n"),
527 --header=STRING insert STRING among the headers.\n"),
529 --max-redirect maximum redirections allowed per page.\n"),
531 --proxy-user=USER set USER as proxy username.\n"),
533 --proxy-password=PASS set PASS as proxy password.\n"),
535 --referer=URL include `Referer: URL' header in HTTP request.\n"),
537 --save-headers save the HTTP headers to file.\n"),
539 -U, --user-agent=AGENT identify as AGENT instead of Wget/VERSION.\n"),
541 --no-http-keep-alive disable HTTP keep-alive (persistent connections).\n"),
543 --no-cookies don't use cookies.\n"),
545 --load-cookies=FILE load cookies from FILE before session.\n"),
547 --save-cookies=FILE save cookies to FILE after session.\n"),
549 --keep-session-cookies load and save session (non-permanent) cookies.\n"),
551 --post-data=STRING use the POST method; send STRING as the data.\n"),
553 --post-file=FILE use the POST method; send contents of FILE.\n"),
555 --content-disposition honor the Content-Disposition header when\n\
556 choosing local file names (EXPERIMENTAL).\n"),
558 --auth-no-challenge Send Basic HTTP authentication information\n\
559 without first waiting for the server's\n\
565 HTTPS (SSL/TLS) options:\n"),
567 --secure-protocol=PR choose secure protocol, one of auto, SSLv2,\n\
568 SSLv3, and TLSv1.\n"),
570 --no-check-certificate don't validate the server's certificate.\n"),
572 --certificate=FILE client certificate file.\n"),
574 --certificate-type=TYPE client certificate type, PEM or DER.\n"),
576 --private-key=FILE private key file.\n"),
578 --private-key-type=TYPE private key type, PEM or DER.\n"),
580 --ca-certificate=FILE file with the bundle of CA's.\n"),
582 --ca-directory=DIR directory where hash list of CA's is stored.\n"),
584 --random-file=FILE file with random data for seeding the SSL PRNG.\n"),
586 --egd-file=FILE file naming the EGD socket with random data.\n"),
588 #endif /* HAVE_SSL */
593 --ftp-user=USER set ftp user to USER.\n"),
595 --ftp-password=PASS set ftp password to PASS.\n"),
597 --no-remove-listing don't remove `.listing' files.\n"),
599 --no-glob turn off FTP file name globbing.\n"),
601 --no-passive-ftp disable the \"passive\" transfer mode.\n"),
603 --retr-symlinks when recursing, get linked-to files (not dir).\n"),
605 --preserve-permissions preserve remote file permissions.\n"),
609 Recursive download:\n"),
611 -r, --recursive specify recursive download.\n"),
613 -l, --level=NUMBER maximum recursion depth (inf or 0 for infinite).\n"),
615 --delete-after delete files locally after downloading them.\n"),
617 -k, --convert-links make links in downloaded HTML or CSS point to\n\
620 -K, --backup-converted before converting file X, back up as X.orig.\n"),
622 -m, --mirror shortcut for -N -r -l inf --no-remove-listing.\n"),
624 -p, --page-requisites get all images, etc. needed to display HTML page.\n"),
626 --strict-comments turn on strict (SGML) handling of HTML comments.\n"),
630 Recursive accept/reject:\n"),
632 -A, --accept=LIST comma-separated list of accepted extensions.\n"),
634 -R, --reject=LIST comma-separated list of rejected extensions.\n"),
636 -D, --domains=LIST comma-separated list of accepted domains.\n"),
638 --exclude-domains=LIST comma-separated list of rejected domains.\n"),
640 --follow-ftp follow FTP links from HTML documents.\n"),
642 --follow-tags=LIST comma-separated list of followed HTML tags.\n"),
644 --ignore-tags=LIST comma-separated list of ignored HTML tags.\n"),
646 -H, --span-hosts go to foreign hosts when recursive.\n"),
648 -L, --relative follow relative links only.\n"),
650 -I, --include-directories=LIST list of allowed directories.\n"),
652 -X, --exclude-directories=LIST list of excluded directories.\n"),
654 -np, --no-parent don't ascend to the parent directory.\n"),
657 N_("Mail bug reports and suggestions to <bug-wget@gnu.org>.\n")
662 printf (_("GNU Wget %s, a non-interactive network retriever.\n"),
666 for (i = 0; i < countof (help); i++)
667 fputs (_(help[i]), stdout);
672 /* Return a human-readable printed representation of INTERVAL,
673 measured in seconds. */
676 secs_to_human_time (double interval)
679 int secs = (int) (interval + 0.5);
680 int hours, mins, days;
682 days = secs / 86400, secs %= 86400;
683 hours = secs / 3600, secs %= 3600;
684 mins = secs / 60, secs %= 60;
687 sprintf (buf, "%dd %dh %dm %ds", days, hours, mins, secs);
689 sprintf (buf, "%dh %dm %ds", hours, mins, secs);
691 sprintf (buf, "%dm %ds", mins, secs);
693 sprintf (buf, "%ss", print_decimal (interval));
699 prompt_for_password (void)
702 printf (_("Password for user %s: "), quote (opt.user));
704 printf (_("Password: "));
708 /* Function that prints the line argument while limiting it
709 to at most line_length. prefix is printed on the first line
710 and an appropriate number of spaces are added on subsequent
713 format_and_print_line (char* prefix, char* line,
716 assert (prefix != NULL);
717 assert (line != NULL);
719 if (line_length <= 0)
720 line_length = max_chars_per_line;
722 const int leading_spaces = strlen (prefix);
723 printf ("%s", prefix);
724 int remaining_chars = line_length - leading_spaces;
725 /* We break on spaces. */
726 char* token = strtok (line, " ");
727 while (token != NULL)
729 /* If however a token is much larger than the maximum
730 line length, all bets are off and we simply print the
731 token on the next line. */
732 if (remaining_chars <= strlen (token))
736 for (j = 0; j < leading_spaces; j++)
740 remaining_chars = line_length - leading_spaces;
742 printf ("%s ", token);
743 remaining_chars -= strlen (token) + 1; // account for " "
744 token = strtok (NULL, " ");
755 const char *options_title = "Options : ";
756 const char *wgetrc_title = "Wgetrc : ";
757 const char *locale_title = "Locale : ";
758 const char *compile_title = "Compile : ";
759 const char *link_title = "Link : ";
760 const char *prefix_spaces = " ";
761 const int prefix_space_length = strlen (prefix_spaces);
763 printf ("GNU Wget %s\n", version_string);
764 printf (options_title);
765 /* compiled_features is a char*[]. We limit the characters per
766 line to max_chars_per_line and prefix each line with a constant
767 number of spaces for proper alignment. */
769 for (i = 0; compiled_features[i] != NULL; )
771 int line_length = max_chars_per_line - prefix_space_length;
772 while ((line_length > 0) && (compiled_features[i] != NULL))
774 printf ("%s ", compiled_features[i]);
775 line_length -= strlen (compiled_features[i]) + 2;
779 if (compiled_features[i] != NULL)
781 printf (prefix_spaces);
784 /* Handle the case when $WGETRC is unset and $HOME/.wgetrc is
786 printf (wgetrc_title);
787 char *env_wgetrc = wgetrc_env_file_name ();
788 if (env_wgetrc && *env_wgetrc)
790 printf ("%s (env)\n%s", env_wgetrc, prefix_spaces);
793 char *user_wgetrc = wgetrc_user_file_name ();
796 printf ("%s (user)\n%s", user_wgetrc, prefix_spaces);
799 printf ("%s (system)\n", system_wgetrc);
801 format_and_print_line (strdup (locale_title),
805 format_and_print_line (strdup (compile_title),
806 strdup (compilation_string),
809 format_and_print_line (strdup (link_title),
810 strdup (link_string),
813 /* TRANSLATORS: When available, an actual copyright character
814 (cirle-c) should be used in preference to "(C)". */
816 Copyright (C) 2008 Free Software Foundation, Inc.\n"), stdout);
818 License GPLv3+: GNU GPL version 3 or later\n\
819 <http://www.gnu.org/licenses/gpl.html>.\n\
820 This is free software: you are free to change and redistribute it.\n\
821 There is NO WARRANTY, to the extent permitted by law.\n"), stdout);
822 /* TRANSLATORS: When available, please use the proper diacritics for
823 names such as this one. See en_US.po for reference. */
824 fputs (_("\nOriginally written by Hrvoje Niksic <hniksic@xemacs.org>.\n"),
826 fputs (_("Currently maintained by Micah Cowan <micah@cowan.name>.\n"),
832 main (int argc, char **argv)
835 int i, ret, longindex;
837 bool append_to_log = false;
841 /* Construct the name of the executable, without the directory part. */
842 exec_name = strrchr (argv[0], PATH_SEPARATOR);
849 /* Drop extension (typically .EXE) from executable filename. */
850 windows_main ((char **) &exec_name);
853 /* Set option defaults; read the system wgetrc and ~/.wgetrc. */
858 while ((ret = getopt_long (argc, argv,
859 short_options, long_options, &longindex)) != -1)
862 struct cmdline_option *opt;
864 /* If LONGINDEX is unchanged, it means RET is referring a short
872 printf (_("Try `%s --help' for more options.\n"), exec_name);
875 /* Find the short option character in the mapping. */
876 longindex = optmap[ret - 32];
878 val = long_options[longindex].val;
880 /* Use the retrieved value to locate the option in the
881 option_data array, and to see if we're dealing with the
882 negated "--no-FOO" variant of the boolean option "--foo". */
883 opt = &option_data[val & ~BOOLEAN_NEG_MARKER];
887 setoptval (opt->data, optarg, opt->long_name);
891 /* The user has specified a value -- use it. */
892 setoptval (opt->data, optarg, opt->long_name);
895 /* NEG is true for `--no-FOO' style boolean options. */
896 bool neg = !!(val & BOOLEAN_NEG_MARKER);
897 setoptval (opt->data, neg ? "0" : "1", opt->long_name);
902 void (*func) (void) = (void (*) (void)) opt->data;
906 case OPT__APPEND_OUTPUT:
907 setoptval ("logfile", optarg, opt->long_name);
908 append_to_log = true;
911 run_command (optarg);
915 /* We support real --no-FOO flags now, but keep these
916 short options for convenience and backward
919 for (p = optarg; *p; p++)
923 setoptval ("verbose", "0", opt->long_name);
926 setoptval ("addhostdir", "0", opt->long_name);
929 setoptval ("dirstruct", "0", opt->long_name);
932 setoptval ("noclobber", "1", opt->long_name);
935 setoptval ("noparent", "1", opt->long_name);
938 printf (_("%s: illegal option -- `-n%c'\n"), exec_name, *p);
941 printf (_("Try `%s --help' for more options.\n"), exec_name);
949 /* The wgetrc commands are named noparent and noclobber,
950 so we must revert the meaning of the cmdline options
951 before passing the value to setoptval. */
954 flag = (*optarg == '1' || c_tolower (*optarg) == 'y'
955 || (c_tolower (optarg[0]) == 'o'
956 && c_tolower (optarg[1]) == 'n'));
957 setoptval (opt->type == OPT__PARENT ? "noparent" : "noclobber",
958 flag ? "0" : "1", opt->long_name);
961 case OPT__DONT_REMOVE_LISTING:
962 setoptval ("removelisting", "0", opt->long_name);
969 nurl = argc - optind;
971 /* All user options have now been processed, so it's now safe to do
972 interoption dependency checks. */
974 if (opt.reclevel == 0)
975 opt.reclevel = INFINITE_RECURSION; /* see recur.h for commentary */
977 if (opt.spider || opt.delete_after)
978 opt.no_dirstruct = true;
980 if (opt.page_requisites && !opt.recursive)
982 /* Don't set opt.recursive here because it would confuse the FTP
983 code. Instead, call retrieve_tree below when either
984 page_requisites or recursive is requested. */
986 if (!opt.no_dirstruct)
987 opt.dirstruct = 1; /* normally handled by cmd_spec_recursive() */
990 if (opt.verbose == -1)
991 opt.verbose = !opt.quiet;
994 if (opt.verbose && opt.quiet)
996 printf (_("Can't be verbose and quiet at the same time.\n"));
1000 if (opt.timestamping && opt.noclobber)
1003 Can't timestamp and not clobber old files at the same time.\n"));
1008 if (opt.ipv4_only && opt.ipv6_only)
1010 printf (_("Cannot specify both --inet4-only and --inet6-only.\n"));
1015 if (opt.output_document)
1017 if (opt.convert_links
1018 && (nurl > 1 || opt.page_requisites || opt.recursive))
1021 Cannot specify both -k and -O if multiple URLs are given, or in combination\n\
1022 with -p or -r. See the manual for details.\n\n"), stdout);
1026 if (opt.page_requisites
1029 logprintf (LOG_NOTQUIET, "%s", _("\
1030 WARNING: combining -O with -r or -p will mean that all downloaded content\n\
1031 will be placed in the single file you specified.\n\n"));
1033 if (opt.timestamping)
1035 logprintf (LOG_NOTQUIET, "%s", _("\
1036 WARNING: timestamping does nothing in combination with -O. See the manual\n\
1037 for details.\n\n"));
1038 opt.timestamping = false;
1040 if (opt.noclobber && file_exists_p(opt.output_document))
1042 /* Check if output file exists; if it does, exit. */
1043 logprintf (LOG_VERBOSE, _("File `%s' already there; not retrieving.\n"), opt.output_document);
1048 if (opt.ask_passwd && opt.passwd)
1050 printf (_("Cannot specify both --ask-password and --password.\n"));
1055 if (!nurl && !opt.input_filename)
1057 /* No URL specified. */
1058 printf (_("%s: missing URL\n"), exec_name);
1061 /* #### Something nicer should be printed here -- similar to the
1062 pre-1.5 `--help' page. */
1063 printf (_("Try `%s --help' for more options.\n"), exec_name);
1070 if (opt.locale && !check_encoding_name (opt.locale))
1074 opt.locale = find_locale ();
1076 if (opt.encoding_remote && !check_encoding_name (opt.encoding_remote))
1077 opt.encoding_remote = NULL;
1079 /*logprintf (LOG_VERBOSE, "Locale = %s\n", quote (opt.locale));*/
1082 if (opt.enable_iri || opt.locale || opt.encoding_remote)
1084 /* sXXXav : be more specific... */
1085 printf(_("This version does not have support for IRIs\n"));
1092 opt.passwd = prompt_for_password ();
1094 if (opt.passwd == NULL || opt.passwd[0] == '\0')
1104 fork_to_background ();
1107 /* Initialize progress. Have to do this after the options are
1108 processed so we know where the log file is. */
1110 set_progress_implementation (opt.progress_type);
1112 /* Fill in the arguments. */
1113 url = alloca_array (char *, nurl + 1);
1114 for (i = 0; i < nurl; i++, optind++)
1116 char *rewritten = rewrite_shorthand_url (argv[optind]);
1120 url[i] = xstrdup (argv[optind]);
1124 /* Initialize logging. */
1125 log_init (opt.lfilename, append_to_log);
1127 DEBUGP (("DEBUG output created by Wget %s on %s.\n\n", version_string,
1130 /* Open the output filename if necessary. */
1131 if (opt.output_document)
1133 if (HYPHENP (opt.output_document))
1137 result = freopen (NULL, "wb", stdout);
1140 logputs (LOG_NOTQUIET, _("\
1141 WARNING: Can't reopen standard output in binary mode;\n\
1142 downloaded file may contain inappropriate line endings.\n"));
1145 output_stream = stdout;
1150 output_stream = fopen (opt.output_document,
1151 opt.always_rest ? "ab" : "wb");
1152 if (output_stream == NULL)
1154 perror (opt.output_document);
1157 if (fstat (fileno (output_stream), &st) == 0 && S_ISREG (st.st_mode))
1158 output_stream_regular = true;
1167 /* Setup the signal handler to redirect output when hangup is
1169 if (signal(SIGHUP, SIG_IGN) != SIG_IGN)
1170 signal(SIGHUP, redirect_output_signal);
1172 /* ...and do the same for SIGUSR1. */
1174 signal (SIGUSR1, redirect_output_signal);
1177 /* Writing to a closed socket normally signals SIGPIPE, and the
1178 process exits. What we want is to ignore SIGPIPE and just check
1179 for the return value of write(). */
1180 signal (SIGPIPE, SIG_IGN);
1183 signal (SIGWINCH, progress_handle_sigwinch);
1186 status = RETROK; /* initialize it, just-in-case */
1187 /* Retrieve the URLs from argument list. */
1188 for (t = url; *t; t++)
1190 char *filename = NULL, *redirected_URL = NULL;
1193 if ((opt.recursive || opt.page_requisites)
1194 && (url_scheme (*t) != SCHEME_FTP || url_uses_proxy (*t)))
1196 int old_follow_ftp = opt.follow_ftp;
1198 /* Turn opt.follow_ftp on in case of recursive FTP retrieval */
1199 if (url_scheme (*t) == SCHEME_FTP)
1202 status = retrieve_tree (*t);
1204 opt.follow_ftp = old_follow_ftp;
1208 struct iri *i = iri_new ();
1209 set_uri_encoding (i, opt.locale);
1210 status = retrieve_url (*t, &filename, &redirected_URL, NULL, &dt,
1215 if (opt.delete_after && file_exists_p(filename))
1217 DEBUGP (("Removing file due to --delete-after in main():\n"));
1218 logprintf (LOG_VERBOSE, _("Removing %s.\n"), filename);
1219 if (unlink (filename))
1220 logprintf (LOG_NOTQUIET, "unlink: %s\n", strerror (errno));
1223 xfree_null (redirected_URL);
1224 xfree_null (filename);
1227 /* And then from the input file, if any. */
1228 if (opt.input_filename)
1231 status = retrieve_from_file (opt.input_filename, opt.force_html, &count);
1233 logprintf (LOG_NOTQUIET, _("No URLs found in %s.\n"),
1234 opt.input_filename);
1237 /* Print broken links. */
1238 if (opt.recursive && opt.spider)
1240 print_broken_links();
1243 /* Print the downloaded sum. */
1244 if ((opt.recursive || opt.page_requisites
1246 || (opt.input_filename && total_downloaded_bytes != 0))
1248 total_downloaded_bytes != 0)
1250 logprintf (LOG_NOTQUIET,
1251 _("FINISHED --%s--\nDownloaded: %d files, %s in %s (%s)\n"),
1252 datetime_str (time (NULL)),
1254 human_readable (total_downloaded_bytes),
1255 secs_to_human_time (total_download_time),
1256 retr_rate (total_downloaded_bytes, total_download_time));
1257 /* Print quota warning, if exceeded. */
1258 if (opt.quota && total_downloaded_bytes > opt.quota)
1259 logprintf (LOG_NOTQUIET,
1260 _("Download quota of %s EXCEEDED!\n"),
1261 human_readable (opt.quota));
1264 if (opt.cookies_output)
1267 if (opt.convert_links && !opt.delete_after)
1268 convert_all_links ();
1271 for (i = 0; i < nurl; i++)
1276 print_malloc_debug_stats ();
1278 if (status == RETROK)
1283 #endif /* TESTING */
1285 #if defined(SIGHUP) || defined(SIGUSR1)
1287 /* So the signal_name check doesn't blow when only one is available. */
1295 /* Hangup signal handler. When wget receives SIGHUP or SIGUSR1, it
1296 will proceed operation as usual, trying to write into a log file.
1297 If that is impossible, the output will be turned off. */
1300 redirect_output_signal (int sig)
1302 const char *signal_name = (sig == SIGHUP ? "SIGHUP" :
1303 (sig == SIGUSR1 ? "SIGUSR1" :
1305 log_request_redirect_output (signal_name);
1306 progress_schedule_redirect ();
1307 signal (sig, redirect_output_signal);