1 /* Command line parsing.
2 Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
3 2004, 2005, 2006, 2007, 2008, 2009 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 */
66 #ifndef PATH_SEPARATOR
67 # define PATH_SEPARATOR '/'
72 /* defined in version.c */
73 extern char *version_string;
74 extern char *compilation_string;
75 extern char *system_getrc;
76 extern char *link_string;
77 /* defined in build_info.c */
78 extern char *compiled_features[];
79 /* Used for --version output in print_version */
80 #define MAX_CHARS_PER_LINE 72
83 #if defined(SIGHUP) || defined(SIGUSR1)
84 static void redirect_output_signal (int);
87 const char *exec_name;
89 /* Number of successfully downloaded URLs */
93 /* Initialize I18N/L10N. That amounts to invoking setlocale, and
94 setting up gettext's message catalog using bindtextdomain and
95 textdomain. Does nothing if NLS is disabled or missing. */
98 i18n_initialize (void)
100 /* ENABLE_NLS implies existence of functions invoked here. */
102 /* Set the current locale. */
103 setlocale (LC_ALL, "");
104 /* Set the text message domain. */
105 bindtextdomain ("wget", LOCALEDIR);
107 #endif /* ENABLE_NLS */
110 /* Definition of command-line options. */
112 static void print_help (void);
113 static void print_version (void);
118 # define IF_SSL(x) NULL
122 # define WHEN_DEBUG(x) x
124 # define WHEN_DEBUG(x) NULL
127 struct cmdline_option {
128 const char *long_name;
134 /* Non-standard options that have to be handled specially in
138 OPT__DONT_REMOVE_LISTING,
143 const void *data; /* for standard options */
144 int argtype; /* for non-standard options */
147 static struct cmdline_option option_data[] =
149 { "accept", 'A', OPT_VALUE, "accept", -1 },
150 { "append-output", 'a', OPT__APPEND_OUTPUT, NULL, required_argument },
151 { "ask-password", 0, OPT_BOOLEAN, "askpassword", -1 },
152 { "auth-no-challenge", 0, OPT_BOOLEAN, "authnochallenge", -1 },
153 { "background", 'b', OPT_BOOLEAN, "background", -1 },
154 { "backup-converted", 'K', OPT_BOOLEAN, "backupconverted", -1 },
155 { "backups", 0, OPT_BOOLEAN, "backups", -1 },
156 { "base", 'B', OPT_VALUE, "base", -1 },
157 { "bind-address", 0, OPT_VALUE, "bindaddress", -1 },
158 { IF_SSL ("ca-certificate"), 0, OPT_VALUE, "cacertificate", -1 },
159 { IF_SSL ("ca-directory"), 0, OPT_VALUE, "cadirectory", -1 },
160 { "cache", 0, OPT_BOOLEAN, "cache", -1 },
161 { IF_SSL ("certificate"), 0, OPT_VALUE, "certificate", -1 },
162 { IF_SSL ("certificate-type"), 0, OPT_VALUE, "certificatetype", -1 },
163 { IF_SSL ("check-certificate"), 0, OPT_BOOLEAN, "checkcertificate", -1 },
164 { "clobber", 0, OPT__CLOBBER, NULL, optional_argument },
165 { "connect-timeout", 0, OPT_VALUE, "connecttimeout", -1 },
166 { "continue", 'c', OPT_BOOLEAN, "continue", -1 },
167 { "convert-links", 'k', OPT_BOOLEAN, "convertlinks", -1 },
168 { "content-disposition", 0, OPT_BOOLEAN, "contentdisposition", -1 },
169 { "cookies", 0, OPT_BOOLEAN, "cookies", -1 },
170 { "cut-dirs", 0, OPT_VALUE, "cutdirs", -1 },
171 { WHEN_DEBUG ("debug"), 'd', OPT_BOOLEAN, "debug", -1 },
172 { "default-page", 0, OPT_VALUE, "defaultpage", -1 },
173 { "delete-after", 0, OPT_BOOLEAN, "deleteafter", -1 },
174 { "directories", 0, OPT_BOOLEAN, "dirstruct", -1 },
175 { "directory-prefix", 'P', OPT_VALUE, "dirprefix", -1 },
176 { "dns-cache", 0, OPT_BOOLEAN, "dnscache", -1 },
177 { "dns-timeout", 0, OPT_VALUE, "dnstimeout", -1 },
178 { "domains", 'D', OPT_VALUE, "domains", -1 },
179 { "dont-remove-listing", 0, OPT__DONT_REMOVE_LISTING, NULL, no_argument },
180 { "dot-style", 0, OPT_VALUE, "dotstyle", -1 },
181 { "egd-file", 0, OPT_VALUE, "egdfile", -1 },
182 { "exclude-directories", 'X', OPT_VALUE, "excludedirectories", -1 },
183 { "exclude-domains", 0, OPT_VALUE, "excludedomains", -1 },
184 { "execute", 'e', OPT__EXECUTE, NULL, required_argument },
185 { "follow-ftp", 0, OPT_BOOLEAN, "followftp", -1 },
186 { "follow-tags", 0, OPT_VALUE, "followtags", -1 },
187 { "force-directories", 'x', OPT_BOOLEAN, "dirstruct", -1 },
188 { "force-html", 'F', OPT_BOOLEAN, "forcehtml", -1 },
189 { "ftp-password", 0, OPT_VALUE, "ftppassword", -1 },
191 { "ftp-stmlf", 0, OPT_BOOLEAN, "ftpstmlf", -1 },
192 #endif /* def __VMS */
193 { "ftp-user", 0, OPT_VALUE, "ftpuser", -1 },
194 { "glob", 0, OPT_BOOLEAN, "glob", -1 },
195 { "header", 0, OPT_VALUE, "header", -1 },
196 { "help", 'h', OPT_FUNCALL, (void *)print_help, no_argument },
197 { "host-directories", 0, OPT_BOOLEAN, "addhostdir", -1 },
198 { "html-extension", 'E', OPT_BOOLEAN, "htmlextension", -1 },
199 { "htmlify", 0, OPT_BOOLEAN, "htmlify", -1 },
200 { "http-keep-alive", 0, OPT_BOOLEAN, "httpkeepalive", -1 },
201 { "http-passwd", 0, OPT_VALUE, "httppassword", -1 }, /* deprecated */
202 { "http-password", 0, OPT_VALUE, "httppassword", -1 },
203 { "http-user", 0, OPT_VALUE, "httpuser", -1 },
204 { "ignore-case", 0, OPT_BOOLEAN, "ignorecase", -1 },
205 { "ignore-length", 0, OPT_BOOLEAN, "ignorelength", -1 },
206 { "ignore-tags", 0, OPT_VALUE, "ignoretags", -1 },
207 { "include-directories", 'I', OPT_VALUE, "includedirectories", -1 },
209 { "inet4-only", '4', OPT_BOOLEAN, "inet4only", -1 },
210 { "inet6-only", '6', OPT_BOOLEAN, "inet6only", -1 },
212 { "input-file", 'i', OPT_VALUE, "input", -1 },
213 { "iri", 0, OPT_BOOLEAN, "iri", -1 },
214 { "keep-session-cookies", 0, OPT_BOOLEAN, "keepsessioncookies", -1 },
215 { "level", 'l', OPT_VALUE, "reclevel", -1 },
216 { "limit-rate", 0, OPT_VALUE, "limitrate", -1 },
217 { "load-cookies", 0, OPT_VALUE, "loadcookies", -1 },
218 { "locale", 0, OPT_VALUE, "locale", -1 },
219 { "max-redirect", 0, OPT_VALUE, "maxredirect", -1 },
220 { "mirror", 'm', OPT_BOOLEAN, "mirror", -1 },
221 { "no", 'n', OPT__NO, NULL, required_argument },
222 { "no-clobber", 0, OPT_BOOLEAN, "noclobber", -1 },
223 { "no-parent", 0, OPT_BOOLEAN, "noparent", -1 },
224 { "output-document", 'O', OPT_VALUE, "outputdocument", -1 },
225 { "output-file", 'o', OPT_VALUE, "logfile", -1 },
226 { "page-requisites", 'p', OPT_BOOLEAN, "pagerequisites", -1 },
227 { "parent", 0, OPT__PARENT, NULL, optional_argument },
228 { "passive-ftp", 0, OPT_BOOLEAN, "passiveftp", -1 },
229 { "password", 0, OPT_VALUE, "password", -1 },
230 { "post-data", 0, OPT_VALUE, "postdata", -1 },
231 { "post-file", 0, OPT_VALUE, "postfile", -1 },
232 { "prefer-family", 0, OPT_VALUE, "preferfamily", -1 },
233 { "preserve-permissions", 0, OPT_BOOLEAN, "preservepermissions", -1 },
234 { IF_SSL ("private-key"), 0, OPT_VALUE, "privatekey", -1 },
235 { IF_SSL ("private-key-type"), 0, OPT_VALUE, "privatekeytype", -1 },
236 { "progress", 0, OPT_VALUE, "progress", -1 },
237 { "protocol-directories", 0, OPT_BOOLEAN, "protocoldirectories", -1 },
238 { "proxy", 0, OPT_BOOLEAN, "useproxy", -1 },
239 { "proxy__compat", 'Y', OPT_VALUE, "useproxy", -1 }, /* back-compatible */
240 { "proxy-passwd", 0, OPT_VALUE, "proxypassword", -1 }, /* deprecated */
241 { "proxy-password", 0, OPT_VALUE, "proxypassword", -1 },
242 { "proxy-user", 0, OPT_VALUE, "proxyuser", -1 },
243 { "quiet", 'q', OPT_BOOLEAN, "quiet", -1 },
244 { "quota", 'Q', OPT_VALUE, "quota", -1 },
245 { "random-file", 0, OPT_VALUE, "randomfile", -1 },
246 { "random-wait", 0, OPT_BOOLEAN, "randomwait", -1 },
247 { "read-timeout", 0, OPT_VALUE, "readtimeout", -1 },
248 { "recursive", 'r', OPT_BOOLEAN, "recursive", -1 },
249 { "referer", 0, OPT_VALUE, "referer", -1 },
250 { "reject", 'R', OPT_VALUE, "reject", -1 },
251 { "relative", 'L', OPT_BOOLEAN, "relativeonly", -1 },
252 { "remote-encoding", 0, OPT_VALUE, "remoteencoding", -1 },
253 { "remove-listing", 0, OPT_BOOLEAN, "removelisting", -1 },
254 { "restrict-file-names", 0, OPT_BOOLEAN, "restrictfilenames", -1 },
255 { "retr-symlinks", 0, OPT_BOOLEAN, "retrsymlinks", -1 },
256 { "retry-connrefused", 0, OPT_BOOLEAN, "retryconnrefused", -1 },
257 { "save-cookies", 0, OPT_VALUE, "savecookies", -1 },
258 { "save-headers", 0, OPT_BOOLEAN, "saveheaders", -1 },
259 { IF_SSL ("secure-protocol"), 0, OPT_VALUE, "secureprotocol", -1 },
260 { "server-response", 'S', OPT_BOOLEAN, "serverresponse", -1 },
261 { "span-hosts", 'H', OPT_BOOLEAN, "spanhosts", -1 },
262 { "spider", 0, OPT_BOOLEAN, "spider", -1 },
263 { "strict-comments", 0, OPT_BOOLEAN, "strictcomments", -1 },
264 { "timeout", 'T', OPT_VALUE, "timeout", -1 },
265 { "timestamping", 'N', OPT_BOOLEAN, "timestamping", -1 },
266 { "tries", 't', OPT_VALUE, "tries", -1 },
267 { "user", 0, OPT_VALUE, "user", -1 },
268 { "user-agent", 'U', OPT_VALUE, "useragent", -1 },
269 { "verbose", 'v', OPT_BOOLEAN, "verbose", -1 },
270 { "verbose", 0, OPT_BOOLEAN, "verbose", -1 },
271 { "version", 'V', OPT_FUNCALL, (void *) print_version, no_argument },
272 { "wait", 'w', OPT_VALUE, "wait", -1 },
273 { "waitretry", 0, OPT_VALUE, "waitretry", -1 },
275 { "wdebug", 0, OPT_BOOLEAN, "wdebug", -1 },
282 /* Return a string that contains S with "no-" prepended. The string
283 is NUL-terminated and allocated off static storage at Wget
287 no_prefix (const char *s)
289 static char buffer[1024];
290 static char *p = buffer;
293 int size = 3 + strlen (s) + 1; /* "no-STRING\0" */
294 if (p + size >= buffer + sizeof (buffer))
297 cp[0] = 'n', cp[1] = 'o', cp[2] = '-';
303 /* The arguments that that main passes to getopt_long. */
304 static struct option long_options[2 * countof (option_data) + 1];
305 static char short_options[128];
307 /* Mapping between short option chars and option_data indices. */
308 static unsigned char optmap[96];
310 /* Marker for `--no-FOO' values in long_options. */
311 #define BOOLEAN_NEG_MARKER 1024
313 /* Initialize the long_options array used by getopt_long from the data
319 char *p = short_options;
321 for (i = 0; i < countof (option_data); i++)
323 struct cmdline_option *opt = &option_data[i];
324 struct option *longopt;
327 /* The option is disabled. */
330 longopt = &long_options[o++];
331 longopt->name = opt->long_name;
335 *p++ = opt->short_name;
336 optmap[opt->short_name - 32] = longopt - long_options;
341 longopt->has_arg = required_argument;
346 /* Specify an optional argument for long options, so that
347 --option=off works the same as --no-option, for
348 compatibility with pre-1.10 Wget. However, don't specify
349 optional arguments short-option booleans because they
350 prevent combining of short options. */
351 longopt->has_arg = optional_argument;
352 /* For Boolean options, add the "--no-FOO" variant, which is
353 identical to "--foo", except it has opposite meaning and
354 it doesn't allow an argument. */
355 longopt = &long_options[o++];
356 longopt->name = no_prefix (opt->long_name);
357 longopt->has_arg = no_argument;
358 /* Mask the value so we'll be able to recognize that we're
359 dealing with the false value. */
360 longopt->val = i | BOOLEAN_NEG_MARKER;
363 assert (opt->argtype != -1);
364 longopt->has_arg = opt->argtype;
367 if (longopt->has_arg == required_argument)
369 /* Don't handle optional_argument */
373 /* Terminate short_options. */
375 /* No need for xzero(long_options[o]) because its storage is static
376 and it will be zeroed by default. */
377 assert (o <= countof (long_options));
380 /* Print the usage message. */
384 printf (_("Usage: %s [OPTION]... [URL]...\n"), exec_name);
387 /* Print the help message, describing all the available options. If
388 you add an option, be sure to update this list. */
392 /* We split the help text this way to ease translation of individual
394 static const char *help[] = {
397 Mandatory arguments to long options are mandatory for short options too.\n\n"),
401 -V, --version display the version of Wget and exit.\n"),
403 -h, --help print this help.\n"),
405 -b, --background go to background after startup.\n"),
407 -e, --execute=COMMAND execute a `.wgetrc'-style command.\n"),
411 Logging and input file:\n"),
413 -o, --output-file=FILE log messages to FILE.\n"),
415 -a, --append-output=FILE append messages to FILE.\n"),
418 -d, --debug print lots of debugging information.\n"),
422 --wdebug print Watt-32 debug output.\n"),
425 -q, --quiet quiet (no output).\n"),
427 -v, --verbose be verbose (this is the default).\n"),
429 -nv, --no-verbose turn off verboseness, without being quiet.\n"),
431 -i, --input-file=FILE download URLs found in local or external FILE.\n"),
433 -F, --force-html treat input file as HTML.\n"),
435 -B, --base=URL resolves HTML input-file links (-i -F)\n\
436 relative to URL,\n"),
442 -t, --tries=NUMBER set number of retries to NUMBER (0 unlimits).\n"),
444 --retry-connrefused retry even if connection is refused.\n"),
446 -O, --output-document=FILE write documents to FILE.\n"),
448 -nc, --no-clobber skip downloads that would download to\n\
451 -c, --continue resume getting a partially-downloaded file.\n"),
453 --progress=TYPE select progress gauge type.\n"),
455 -N, --timestamping don't re-retrieve files unless newer than\n\
458 -S, --server-response print server response.\n"),
460 --spider don't download anything.\n"),
462 -T, --timeout=SECONDS set all timeout values to SECONDS.\n"),
464 --dns-timeout=SECS set the DNS lookup timeout to SECS.\n"),
466 --connect-timeout=SECS set the connect timeout to SECS.\n"),
468 --read-timeout=SECS set the read timeout to SECS.\n"),
470 -w, --wait=SECONDS wait SECONDS between retrievals.\n"),
472 --waitretry=SECONDS wait 1..SECONDS between retries of a retrieval.\n"),
474 --random-wait wait from 0...2*WAIT secs between retrievals.\n"),
476 --no-proxy explicitly turn off proxy.\n"),
478 -Q, --quota=NUMBER set retrieval quota to NUMBER.\n"),
480 --bind-address=ADDRESS bind to ADDRESS (hostname or IP) on local host.\n"),
482 --limit-rate=RATE limit download rate to RATE.\n"),
484 --no-dns-cache disable caching DNS lookups.\n"),
486 --restrict-file-names=OS restrict chars in file names to ones OS allows.\n"),
488 --ignore-case ignore case when matching files/directories.\n"),
491 -4, --inet4-only connect only to IPv4 addresses.\n"),
493 -6, --inet6-only connect only to IPv6 addresses.\n"),
495 --prefer-family=FAMILY connect first to addresses of specified family,\n\
496 one of IPv6, IPv4, or none.\n"),
499 --user=USER set both ftp and http user to USER.\n"),
501 --password=PASS set both ftp and http password to PASS.\n"),
503 --ask-password prompt for passwords.\n"),
509 -nd, --no-directories don't create directories.\n"),
511 -x, --force-directories force creation of directories.\n"),
513 -nH, --no-host-directories don't create host directories.\n"),
515 --protocol-directories use protocol name in directories.\n"),
517 -P, --directory-prefix=PREFIX save files to PREFIX/...\n"),
519 --cut-dirs=NUMBER ignore NUMBER remote directory components.\n"),
525 --http-user=USER set http user to USER.\n"),
527 --http-password=PASS set http password to PASS.\n"),
529 --no-cache disallow server-cached data.\n"),
531 --default-page=NAME Change the default page name (normally\n\
532 this is `index.html'.).\n"),
534 -E, --html-extension save HTML documents with `.html' extension.\n"),
536 --ignore-length ignore `Content-Length' header field.\n"),
538 --header=STRING insert STRING among the headers.\n"),
540 --max-redirect maximum redirections allowed per page.\n"),
542 --proxy-user=USER set USER as proxy username.\n"),
544 --proxy-password=PASS set PASS as proxy password.\n"),
546 --referer=URL include `Referer: URL' header in HTTP request.\n"),
548 --save-headers save the HTTP headers to file.\n"),
550 -U, --user-agent=AGENT identify as AGENT instead of Wget/VERSION.\n"),
552 --no-http-keep-alive disable HTTP keep-alive (persistent connections).\n"),
554 --no-cookies don't use cookies.\n"),
556 --load-cookies=FILE load cookies from FILE before session.\n"),
558 --save-cookies=FILE save cookies to FILE after session.\n"),
560 --keep-session-cookies load and save session (non-permanent) cookies.\n"),
562 --post-data=STRING use the POST method; send STRING as the data.\n"),
564 --post-file=FILE use the POST method; send contents of FILE.\n"),
566 --content-disposition honor the Content-Disposition header when\n\
567 choosing local file names (EXPERIMENTAL).\n"),
569 --auth-no-challenge Send Basic HTTP authentication information\n\
570 without first waiting for the server's\n\
576 HTTPS (SSL/TLS) options:\n"),
578 --secure-protocol=PR choose secure protocol, one of auto, SSLv2,\n\
579 SSLv3, and TLSv1.\n"),
581 --no-check-certificate don't validate the server's certificate.\n"),
583 --certificate=FILE client certificate file.\n"),
585 --certificate-type=TYPE client certificate type, PEM or DER.\n"),
587 --private-key=FILE private key file.\n"),
589 --private-key-type=TYPE private key type, PEM or DER.\n"),
591 --ca-certificate=FILE file with the bundle of CA's.\n"),
593 --ca-directory=DIR directory where hash list of CA's is stored.\n"),
595 --random-file=FILE file with random data for seeding the SSL PRNG.\n"),
597 --egd-file=FILE file naming the EGD socket with random data.\n"),
599 #endif /* HAVE_SSL */
605 --ftp-stmlf Use Stream_LF format for all binary FTP files.\n"),
606 #endif /* def __VMS */
608 --ftp-user=USER set ftp user to USER.\n"),
610 --ftp-password=PASS set ftp password to PASS.\n"),
612 --no-remove-listing don't remove `.listing' files.\n"),
614 --no-glob turn off FTP file name globbing.\n"),
616 --no-passive-ftp disable the \"passive\" transfer mode.\n"),
618 --retr-symlinks when recursing, get linked-to files (not dir).\n"),
620 --preserve-permissions preserve remote file permissions.\n"),
624 Recursive download:\n"),
626 -r, --recursive specify recursive download.\n"),
628 -l, --level=NUMBER maximum recursion depth (inf or 0 for infinite).\n"),
630 --delete-after delete files locally after downloading them.\n"),
632 -k, --convert-links make links in downloaded HTML or CSS point to\n\
636 -K, --backup-converted before converting file X, back up as X_orig.\n"),
637 #else /* def __VMS */
639 -K, --backup-converted before converting file X, back up as X.orig.\n"),
640 #endif /* def __VMS [else] */
642 -m, --mirror shortcut for -N -r -l inf --no-remove-listing.\n"),
644 -p, --page-requisites get all images, etc. needed to display HTML page.\n"),
646 --strict-comments turn on strict (SGML) handling of HTML comments.\n"),
650 Recursive accept/reject:\n"),
652 -A, --accept=LIST comma-separated list of accepted extensions.\n"),
654 -R, --reject=LIST comma-separated list of rejected extensions.\n"),
656 -D, --domains=LIST comma-separated list of accepted domains.\n"),
658 --exclude-domains=LIST comma-separated list of rejected domains.\n"),
660 --follow-ftp follow FTP links from HTML documents.\n"),
662 --follow-tags=LIST comma-separated list of followed HTML tags.\n"),
664 --ignore-tags=LIST comma-separated list of ignored HTML tags.\n"),
666 -H, --span-hosts go to foreign hosts when recursive.\n"),
668 -L, --relative follow relative links only.\n"),
670 -I, --include-directories=LIST list of allowed directories.\n"),
672 -X, --exclude-directories=LIST list of excluded directories.\n"),
674 -np, --no-parent don't ascend to the parent directory.\n"),
677 N_("Mail bug reports and suggestions to <bug-wget@gnu.org>.\n")
682 printf (_("GNU Wget %s, a non-interactive network retriever.\n"),
686 for (i = 0; i < countof (help); i++)
687 fputs (_(help[i]), stdout);
692 /* Return a human-readable printed representation of INTERVAL,
693 measured in seconds. */
696 secs_to_human_time (double interval)
699 int secs = (int) (interval + 0.5);
700 int hours, mins, days;
702 days = secs / 86400, secs %= 86400;
703 hours = secs / 3600, secs %= 3600;
704 mins = secs / 60, secs %= 60;
707 sprintf (buf, "%dd %dh %dm %ds", days, hours, mins, secs);
709 sprintf (buf, "%dh %dm %ds", hours, mins, secs);
711 sprintf (buf, "%dm %ds", mins, secs);
713 sprintf (buf, "%ss", print_decimal (interval));
719 prompt_for_password (void)
722 printf (_("Password for user %s: "), quote (opt.user));
724 printf (_("Password: "));
728 /* Function that prints the line argument while limiting it
729 to at most line_length. prefix is printed on the first line
730 and an appropriate number of spaces are added on subsequent
733 format_and_print_line (const char *prefix, const char *line,
737 char *line_dup, *token;
739 assert (prefix != NULL);
740 assert (line != NULL);
742 line_dup = xstrdup (line);
744 if (line_length <= 0)
745 line_length = MAX_CHARS_PER_LINE - TABULATION;
747 printf ("%s", prefix);
748 remaining_chars = line_length;
749 /* We break on spaces. */
750 token = strtok (line_dup, " ");
751 while (token != NULL)
753 /* If however a token is much larger than the maximum
754 line length, all bets are off and we simply print the
755 token on the next line. */
756 if (remaining_chars <= strlen (token))
758 printf ("\n%*c", TABULATION, ' ');
759 remaining_chars = line_length - TABULATION;
761 printf ("%s ", token);
762 remaining_chars -= strlen (token) + 1; /* account for " " */
763 token = strtok (NULL, " ");
774 const char *wgetrc_title = _("Wgetrc: ");
775 const char *locale_title = _("Locale: ");
776 const char *compile_title = _("Compile: ");
777 const char *link_title = _("Link: ");
779 char *env_wgetrc, *user_wgetrc;
783 printf (_("GNU Wget %s built on VMS %s %s.\n\n"),
784 version_string, vms_arch(), vms_vers());
785 #else /* def __VMS */
786 printf (_("GNU Wget %s built on %s.\n\n"), version_string, OS_TYPE);
787 #endif /* def __VMS */
788 /* compiled_features is a char*[]. We limit the characters per
789 line to MAX_CHARS_PER_LINE and prefix each line with a constant
790 number of spaces for proper alignment. */
791 for (i = 0; compiled_features[i] != NULL; )
793 int line_length = MAX_CHARS_PER_LINE;
794 while ((line_length > 0) && (compiled_features[i] != NULL))
796 printf ("%s ", compiled_features[i]);
797 line_length -= strlen (compiled_features[i]) + 2;
803 /* Handle the case when $WGETRC is unset and $HOME/.wgetrc is
805 printf ("%s\n", wgetrc_title);
806 env_wgetrc = wgetrc_env_file_name ();
807 if (env_wgetrc && *env_wgetrc)
809 printf (_(" %s (env)\n"), env_wgetrc);
812 user_wgetrc = wgetrc_user_file_name ();
815 printf (_(" %s (user)\n"), user_wgetrc);
819 printf (_(" %s (system)\n"), SYSTEM_WGETRC);
822 format_and_print_line (locale_title,
826 format_and_print_line (compile_title,
830 format_and_print_line (link_title,
835 /* TRANSLATORS: When available, an actual copyright character
836 (cirle-c) should be used in preference to "(C)". */
838 Copyright (C) 2009 Free Software Foundation, Inc.\n"), stdout);
840 License GPLv3+: GNU GPL version 3 or later\n\
841 <http://www.gnu.org/licenses/gpl.html>.\n\
842 This is free software: you are free to change and redistribute it.\n\
843 There is NO WARRANTY, to the extent permitted by law.\n"), stdout);
844 /* TRANSLATORS: When available, please use the proper diacritics for
845 names such as this one. See en_US.po for reference. */
846 fputs (_("\nOriginally written by Hrvoje Niksic <hniksic@xemacs.org>.\n"),
848 fputs (_("Currently maintained by Micah Cowan <micah@cowan.name>.\n"),
850 fputs (_("Please send bug reports and questions to <bug-wget@gnu.org>.\n"),
855 char *program_name; /* Needed by lib/error.c. */
858 main (int argc, char **argv)
861 int i, ret, longindex;
863 bool append_to_log = false;
865 program_name = argv[0];
869 /* Construct the name of the executable, without the directory part. */
870 exec_name = strrchr (argv[0], PATH_SEPARATOR);
877 /* Drop extension (typically .EXE) from executable filename. */
878 windows_main ((char **) &exec_name);
881 /* Set option defaults; read the system wgetrc and ~/.wgetrc. */
886 while ((ret = getopt_long (argc, argv,
887 short_options, long_options, &longindex)) != -1)
890 struct cmdline_option *opt;
892 /* If LONGINDEX is unchanged, it means RET is referring a short
900 printf (_("Try `%s --help' for more options.\n"), exec_name);
903 /* Find the short option character in the mapping. */
904 longindex = optmap[ret - 32];
906 val = long_options[longindex].val;
908 /* Use the retrieved value to locate the option in the
909 option_data array, and to see if we're dealing with the
910 negated "--no-FOO" variant of the boolean option "--foo". */
911 opt = &option_data[val & ~BOOLEAN_NEG_MARKER];
915 setoptval (opt->data, optarg, opt->long_name);
919 /* The user has specified a value -- use it. */
920 setoptval (opt->data, optarg, opt->long_name);
923 /* NEG is true for `--no-FOO' style boolean options. */
924 bool neg = !!(val & BOOLEAN_NEG_MARKER);
925 setoptval (opt->data, neg ? "0" : "1", opt->long_name);
930 void (*func) (void) = (void (*) (void)) opt->data;
934 case OPT__APPEND_OUTPUT:
935 setoptval ("logfile", optarg, opt->long_name);
936 append_to_log = true;
939 run_command (optarg);
943 /* We support real --no-FOO flags now, but keep these
944 short options for convenience and backward
947 for (p = optarg; *p; p++)
951 setoptval ("verbose", "0", opt->long_name);
954 setoptval ("addhostdir", "0", opt->long_name);
957 setoptval ("dirstruct", "0", opt->long_name);
960 setoptval ("noclobber", "1", opt->long_name);
963 setoptval ("noparent", "1", opt->long_name);
966 printf (_("%s: illegal option -- `-n%c'\n"), exec_name, *p);
969 printf (_("Try `%s --help' for more options.\n"), exec_name);
977 /* The wgetrc commands are named noparent and noclobber,
978 so we must revert the meaning of the cmdline options
979 before passing the value to setoptval. */
982 flag = (*optarg == '1' || c_tolower (*optarg) == 'y'
983 || (c_tolower (optarg[0]) == 'o'
984 && c_tolower (optarg[1]) == 'n'));
985 setoptval (opt->type == OPT__PARENT ? "noparent" : "noclobber",
986 flag ? "0" : "1", opt->long_name);
989 case OPT__DONT_REMOVE_LISTING:
990 setoptval ("removelisting", "0", opt->long_name);
997 nurl = argc - optind;
999 /* All user options have now been processed, so it's now safe to do
1000 interoption dependency checks. */
1002 if (opt.reclevel == 0)
1003 opt.reclevel = INFINITE_RECURSION; /* see recur.h for commentary */
1005 if (opt.spider || opt.delete_after)
1006 opt.no_dirstruct = true;
1008 if (opt.page_requisites && !opt.recursive)
1010 /* Don't set opt.recursive here because it would confuse the FTP
1011 code. Instead, call retrieve_tree below when either
1012 page_requisites or recursive is requested. */
1014 if (!opt.no_dirstruct)
1015 opt.dirstruct = 1; /* normally handled by cmd_spec_recursive() */
1018 if (opt.verbose == -1)
1019 opt.verbose = !opt.quiet;
1021 /* Sanity checks. */
1022 if (opt.verbose && opt.quiet)
1024 printf (_("Can't be verbose and quiet at the same time.\n"));
1028 if (opt.timestamping && opt.noclobber)
1031 Can't timestamp and not clobber old files at the same time.\n"));
1036 if (opt.ipv4_only && opt.ipv6_only)
1038 printf (_("Cannot specify both --inet4-only and --inet6-only.\n"));
1043 if (opt.output_document)
1045 if (opt.convert_links
1046 && (nurl > 1 || opt.page_requisites || opt.recursive))
1049 Cannot specify both -k and -O if multiple URLs are given, or in combination\n\
1050 with -p or -r. See the manual for details.\n\n"), stdout);
1054 if (opt.page_requisites
1057 logprintf (LOG_NOTQUIET, "%s", _("\
1058 WARNING: combining -O with -r or -p will mean that all downloaded content\n\
1059 will be placed in the single file you specified.\n\n"));
1061 if (opt.timestamping)
1063 logprintf (LOG_NOTQUIET, "%s", _("\
1064 WARNING: timestamping does nothing in combination with -O. See the manual\n\
1065 for details.\n\n"));
1066 opt.timestamping = false;
1068 if (opt.noclobber && file_exists_p(opt.output_document))
1070 /* Check if output file exists; if it does, exit. */
1071 logprintf (LOG_VERBOSE, _("File `%s' already there; not retrieving.\n"), opt.output_document);
1076 if (opt.ask_passwd && opt.passwd)
1078 printf (_("Cannot specify both --ask-password and --password.\n"));
1083 if (!nurl && !opt.input_filename)
1085 /* No URL specified. */
1086 printf (_("%s: missing URL\n"), exec_name);
1089 /* #### Something nicer should be printed here -- similar to the
1090 pre-1.5 `--help' page. */
1091 printf (_("Try `%s --help' for more options.\n"), exec_name);
1098 if (opt.locale && !check_encoding_name (opt.locale))
1102 opt.locale = find_locale ();
1104 if (opt.encoding_remote && !check_encoding_name (opt.encoding_remote))
1105 opt.encoding_remote = NULL;
1108 if (opt.enable_iri || opt.locale || opt.encoding_remote)
1110 /* sXXXav : be more specific... */
1111 printf(_("This version does not have support for IRIs\n"));
1118 opt.passwd = prompt_for_password ();
1120 if (opt.passwd == NULL || opt.passwd[0] == '\0')
1130 fork_to_background ();
1133 /* Initialize progress. Have to do this after the options are
1134 processed so we know where the log file is. */
1136 set_progress_implementation (opt.progress_type);
1138 /* Fill in the arguments. */
1139 url = alloca_array (char *, nurl + 1);
1140 for (i = 0; i < nurl; i++, optind++)
1142 char *rewritten = rewrite_shorthand_url (argv[optind]);
1146 url[i] = xstrdup (argv[optind]);
1150 /* Initialize logging. */
1151 log_init (opt.lfilename, append_to_log);
1153 DEBUGP (("DEBUG output created by Wget %s on %s.\n\n",
1154 version_string, OS_TYPE));
1156 /* Open the output filename if necessary. */
1159 Note that having the output_stream ("-O") file opened here for an FTP
1160 URL rather than in getftp() (ftp.c) (and the http equivalent) rather
1161 limits the ability in VMS to open the file differently for ASCII
1162 versus binary FTP there. (Of course, doing it here allows a open
1163 failure to be detected immediately, without first connecting to the
1166 if (opt.output_document)
1168 if (HYPHENP (opt.output_document))
1172 result = freopen ("CONOUT$", "wb", stdout);
1175 logputs (LOG_NOTQUIET, _("\
1176 WARNING: Can't reopen standard output in binary mode;\n\
1177 downloaded file may contain inappropriate line endings.\n"));
1180 output_stream = stdout;
1187 /* Common fopen() optional arguments:
1188 sequential access only, access callback function.
1190 # define FOPEN_OPT_ARGS , "fop=sqo", "acc", acc_cb, &open_id
1192 #else /* def __VMS */
1193 # define FOPEN_OPT_ARGS
1194 #endif /* def __VMS [else] */
1196 output_stream = fopen (opt.output_document,
1197 opt.always_rest ? "ab" : "wb"
1199 if (output_stream == NULL)
1201 perror (opt.output_document);
1204 if (fstat (fileno (output_stream), &st) == 0 && S_ISREG (st.st_mode))
1205 output_stream_regular = true;
1210 /* Set global ODS5 flag according to the specified destination (if
1211 any), otherwise according to the current default device.
1213 if (output_stream == NULL)
1215 set_ods5_dest( "SYS$DISK");
1217 else if (output_stream != stdout)
1219 set_ods5_dest( opt.output_document);
1221 #endif /* def __VMS */
1228 /* Setup the signal handler to redirect output when hangup is
1230 if (signal(SIGHUP, SIG_IGN) != SIG_IGN)
1231 signal(SIGHUP, redirect_output_signal);
1233 /* ...and do the same for SIGUSR1. */
1235 signal (SIGUSR1, redirect_output_signal);
1238 /* Writing to a closed socket normally signals SIGPIPE, and the
1239 process exits. What we want is to ignore SIGPIPE and just check
1240 for the return value of write(). */
1241 signal (SIGPIPE, SIG_IGN);
1244 signal (SIGWINCH, progress_handle_sigwinch);
1247 status = RETROK; /* initialize it, just-in-case */
1248 /* Retrieve the URLs from argument list. */
1249 for (t = url; *t; t++)
1251 char *filename = NULL, *redirected_URL = NULL;
1253 /* Need to do a new struct iri every time, because
1254 * retrieve_url may modify it in some circumstances,
1256 struct iri *iri = iri_new ();
1257 struct url *url_parsed;
1259 set_uri_encoding (iri, opt.locale, true);
1260 url_parsed = url_parse (*t, &url_err, iri, true);
1264 char *error = url_error (*t, url_err);
1265 logprintf (LOG_NOTQUIET, "%s: %s.\n",*t, error);
1271 if ((opt.recursive || opt.page_requisites)
1272 && (url_scheme (*t) != SCHEME_FTP || url_uses_proxy (url_parsed)))
1274 int old_follow_ftp = opt.follow_ftp;
1276 /* Turn opt.follow_ftp on in case of recursive FTP retrieval */
1277 if (url_scheme (*t) == SCHEME_FTP)
1280 status = retrieve_tree (url_parsed, NULL);
1282 opt.follow_ftp = old_follow_ftp;
1286 status = retrieve_url (url_parsed, *t, &filename, &redirected_URL,
1287 NULL, &dt, opt.recursive, iri);
1290 if (opt.delete_after && file_exists_p(filename))
1292 DEBUGP (("Removing file due to --delete-after in main():\n"));
1293 logprintf (LOG_VERBOSE, _("Removing %s.\n"), filename);
1294 if (unlink (filename))
1295 logprintf (LOG_NOTQUIET, "unlink: %s\n", strerror (errno));
1297 xfree_null (redirected_URL);
1298 xfree_null (filename);
1299 url_free (url_parsed);
1304 /* And then from the input file, if any. */
1305 if (opt.input_filename)
1308 status = retrieve_from_file (opt.input_filename, opt.force_html, &count);
1310 logprintf (LOG_NOTQUIET, _("No URLs found in %s.\n"),
1311 opt.input_filename);
1314 /* Print broken links. */
1315 if (opt.recursive && opt.spider)
1317 print_broken_links();
1320 /* Print the downloaded sum. */
1321 if ((opt.recursive || opt.page_requisites
1323 || (opt.input_filename && total_downloaded_bytes != 0))
1325 total_downloaded_bytes != 0)
1327 logprintf (LOG_NOTQUIET,
1328 _("FINISHED --%s--\nDownloaded: %d files, %s in %s (%s)\n"),
1329 datetime_str (time (NULL)),
1331 human_readable (total_downloaded_bytes),
1332 secs_to_human_time (total_download_time),
1333 retr_rate (total_downloaded_bytes, total_download_time));
1334 /* Print quota warning, if exceeded. */
1335 if (opt.quota && total_downloaded_bytes > opt.quota)
1336 logprintf (LOG_NOTQUIET,
1337 _("Download quota of %s EXCEEDED!\n"),
1338 human_readable (opt.quota));
1341 if (opt.cookies_output)
1344 if (opt.convert_links && !opt.delete_after)
1345 convert_all_links ();
1348 for (i = 0; i < nurl; i++)
1352 if (status == RETROK)
1357 #endif /* TESTING */
1359 #if defined(SIGHUP) || defined(SIGUSR1)
1361 /* So the signal_name check doesn't blow when only one is available. */
1369 /* Hangup signal handler. When wget receives SIGHUP or SIGUSR1, it
1370 will proceed operation as usual, trying to write into a log file.
1371 If that is impossible, the output will be turned off. */
1374 redirect_output_signal (int sig)
1376 const char *signal_name = (sig == SIGHUP ? "SIGHUP" :
1377 (sig == SIGUSR1 ? "SIGUSR1" :
1379 log_request_redirect_output (signal_name);
1380 progress_schedule_redirect ();
1381 signal (sig, redirect_output_signal);