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 /* Used for --version output in print_version */
76 static const int max_chars_per_line = 72;
78 #if defined(SIGHUP) || defined(SIGUSR1)
79 static void redirect_output_signal (int);
82 const char *exec_name;
85 /* Initialize I18N/L10N. That amounts to invoking setlocale, and
86 setting up gettext's message catalog using bindtextdomain and
87 textdomain. Does nothing if NLS is disabled or missing. */
90 i18n_initialize (void)
92 /* ENABLE_NLS implies existence of functions invoked here. */
94 /* Set the current locale. */
95 setlocale (LC_ALL, "");
96 /* Set the text message domain. */
97 bindtextdomain ("wget", LOCALEDIR);
99 #endif /* ENABLE_NLS */
102 /* Definition of command-line options. */
104 static void print_help (void);
105 static void print_version (void);
110 # define IF_SSL(x) NULL
114 # define WHEN_DEBUG(x) x
116 # define WHEN_DEBUG(x) NULL
119 struct cmdline_option {
120 const char *long_name;
126 /* Non-standard options that have to be handled specially in
130 OPT__DONT_REMOVE_LISTING,
135 const void *data; /* for standard options */
136 int argtype; /* for non-standard options */
139 static struct cmdline_option option_data[] =
141 { "accept", 'A', OPT_VALUE, "accept", -1 },
142 { "append-output", 'a', OPT__APPEND_OUTPUT, NULL, required_argument },
143 { "ask-password", 0, OPT_BOOLEAN, "askpassword", -1 },
144 { "auth-no-challenge", 0, OPT_BOOLEAN, "authnochallenge", -1 },
145 { "background", 'b', OPT_BOOLEAN, "background", -1 },
146 { "backup-converted", 'K', OPT_BOOLEAN, "backupconverted", -1 },
147 { "backups", 0, OPT_BOOLEAN, "backups", -1 },
148 { "base", 'B', OPT_VALUE, "base", -1 },
149 { "bind-address", 0, OPT_VALUE, "bindaddress", -1 },
150 { IF_SSL ("ca-certificate"), 0, OPT_VALUE, "cacertificate", -1 },
151 { IF_SSL ("ca-directory"), 0, OPT_VALUE, "cadirectory", -1 },
152 { "cache", 0, OPT_BOOLEAN, "cache", -1 },
153 { IF_SSL ("certificate"), 0, OPT_VALUE, "certificate", -1 },
154 { IF_SSL ("certificate-type"), 0, OPT_VALUE, "certificatetype", -1 },
155 { IF_SSL ("check-certificate"), 0, OPT_BOOLEAN, "checkcertificate", -1 },
156 { "clobber", 0, OPT__CLOBBER, NULL, optional_argument },
157 { "connect-timeout", 0, OPT_VALUE, "connecttimeout", -1 },
158 { "continue", 'c', OPT_BOOLEAN, "continue", -1 },
159 { "convert-links", 'k', OPT_BOOLEAN, "convertlinks", -1 },
160 { "content-disposition", 0, OPT_BOOLEAN, "contentdisposition", -1 },
161 { "cookies", 0, OPT_BOOLEAN, "cookies", -1 },
162 { "cut-dirs", 0, OPT_VALUE, "cutdirs", -1 },
163 { WHEN_DEBUG ("debug"), 'd', OPT_BOOLEAN, "debug", -1 },
164 { "default-page", 0, OPT_VALUE, "defaultpage", -1 },
165 { "delete-after", 0, OPT_BOOLEAN, "deleteafter", -1 },
166 { "directories", 0, OPT_BOOLEAN, "dirstruct", -1 },
167 { "directory-prefix", 'P', OPT_VALUE, "dirprefix", -1 },
168 { "dns-cache", 0, OPT_BOOLEAN, "dnscache", -1 },
169 { "dns-timeout", 0, OPT_VALUE, "dnstimeout", -1 },
170 { "domains", 'D', OPT_VALUE, "domains", -1 },
171 { "dont-remove-listing", 0, OPT__DONT_REMOVE_LISTING, NULL, no_argument },
172 { "dot-style", 0, OPT_VALUE, "dotstyle", -1 },
173 { "egd-file", 0, OPT_VALUE, "egdfile", -1 },
174 { "exclude-directories", 'X', OPT_VALUE, "excludedirectories", -1 },
175 { "exclude-domains", 0, OPT_VALUE, "excludedomains", -1 },
176 { "execute", 'e', OPT__EXECUTE, NULL, required_argument },
177 { "follow-ftp", 0, OPT_BOOLEAN, "followftp", -1 },
178 { "follow-tags", 0, OPT_VALUE, "followtags", -1 },
179 { "force-directories", 'x', OPT_BOOLEAN, "dirstruct", -1 },
180 { "force-html", 'F', OPT_BOOLEAN, "forcehtml", -1 },
181 { "ftp-password", 0, OPT_VALUE, "ftppassword", -1 },
182 { "ftp-user", 0, OPT_VALUE, "ftpuser", -1 },
183 { "glob", 0, OPT_BOOLEAN, "glob", -1 },
184 { "header", 0, OPT_VALUE, "header", -1 },
185 { "help", 'h', OPT_FUNCALL, (void *)print_help, no_argument },
186 { "host-directories", 0, OPT_BOOLEAN, "addhostdir", -1 },
187 { "html-extension", 'E', OPT_BOOLEAN, "htmlextension", -1 },
188 { "htmlify", 0, OPT_BOOLEAN, "htmlify", -1 },
189 { "http-keep-alive", 0, OPT_BOOLEAN, "httpkeepalive", -1 },
190 { "http-passwd", 0, OPT_VALUE, "httppassword", -1 }, /* deprecated */
191 { "http-password", 0, OPT_VALUE, "httppassword", -1 },
192 { "http-user", 0, OPT_VALUE, "httpuser", -1 },
193 { "ignore-case", 0, OPT_BOOLEAN, "ignorecase", -1 },
194 { "ignore-length", 0, OPT_BOOLEAN, "ignorelength", -1 },
195 { "ignore-tags", 0, OPT_VALUE, "ignoretags", -1 },
196 { "include-directories", 'I', OPT_VALUE, "includedirectories", -1 },
198 { "inet4-only", '4', OPT_BOOLEAN, "inet4only", -1 },
199 { "inet6-only", '6', OPT_BOOLEAN, "inet6only", -1 },
201 { "input-file", 'i', OPT_VALUE, "input", -1 },
202 { "keep-session-cookies", 0, OPT_BOOLEAN, "keepsessioncookies", -1 },
203 { "level", 'l', OPT_VALUE, "reclevel", -1 },
204 { "limit-rate", 0, OPT_VALUE, "limitrate", -1 },
205 { "load-cookies", 0, OPT_VALUE, "loadcookies", -1 },
206 { "max-redirect", 0, OPT_VALUE, "maxredirect", -1 },
207 { "mirror", 'm', OPT_BOOLEAN, "mirror", -1 },
208 { "no", 'n', OPT__NO, NULL, required_argument },
209 { "no-clobber", 0, OPT_BOOLEAN, "noclobber", -1 },
210 { "no-parent", 0, OPT_BOOLEAN, "noparent", -1 },
211 { "output-document", 'O', OPT_VALUE, "outputdocument", -1 },
212 { "output-file", 'o', OPT_VALUE, "logfile", -1 },
213 { "page-requisites", 'p', OPT_BOOLEAN, "pagerequisites", -1 },
214 { "parent", 0, OPT__PARENT, NULL, optional_argument },
215 { "passive-ftp", 0, OPT_BOOLEAN, "passiveftp", -1 },
216 { "password", 0, OPT_VALUE, "password", -1 },
217 { "post-data", 0, OPT_VALUE, "postdata", -1 },
218 { "post-file", 0, OPT_VALUE, "postfile", -1 },
219 { "prefer-family", 0, OPT_VALUE, "preferfamily", -1 },
220 { "preserve-permissions", 0, OPT_BOOLEAN, "preservepermissions", -1 },
221 { IF_SSL ("private-key"), 0, OPT_VALUE, "privatekey", -1 },
222 { IF_SSL ("private-key-type"), 0, OPT_VALUE, "privatekeytype", -1 },
223 { "progress", 0, OPT_VALUE, "progress", -1 },
224 { "protocol-directories", 0, OPT_BOOLEAN, "protocoldirectories", -1 },
225 { "proxy", 0, OPT_BOOLEAN, "useproxy", -1 },
226 { "proxy__compat", 'Y', OPT_VALUE, "useproxy", -1 }, /* back-compatible */
227 { "proxy-passwd", 0, OPT_VALUE, "proxypassword", -1 }, /* deprecated */
228 { "proxy-password", 0, OPT_VALUE, "proxypassword", -1 },
229 { "proxy-user", 0, OPT_VALUE, "proxyuser", -1 },
230 { "quiet", 'q', OPT_BOOLEAN, "quiet", -1 },
231 { "quota", 'Q', OPT_VALUE, "quota", -1 },
232 { "random-file", 0, OPT_VALUE, "randomfile", -1 },
233 { "random-wait", 0, OPT_BOOLEAN, "randomwait", -1 },
234 { "read-timeout", 0, OPT_VALUE, "readtimeout", -1 },
235 { "recursive", 'r', OPT_BOOLEAN, "recursive", -1 },
236 { "referer", 0, OPT_VALUE, "referer", -1 },
237 { "reject", 'R', OPT_VALUE, "reject", -1 },
238 { "relative", 'L', OPT_BOOLEAN, "relativeonly", -1 },
239 { "remove-listing", 0, OPT_BOOLEAN, "removelisting", -1 },
240 { "restrict-file-names", 0, OPT_BOOLEAN, "restrictfilenames", -1 },
241 { "retr-symlinks", 0, OPT_BOOLEAN, "retrsymlinks", -1 },
242 { "retry-connrefused", 0, OPT_BOOLEAN, "retryconnrefused", -1 },
243 { "save-cookies", 0, OPT_VALUE, "savecookies", -1 },
244 { "save-headers", 0, OPT_BOOLEAN, "saveheaders", -1 },
245 { IF_SSL ("secure-protocol"), 0, OPT_VALUE, "secureprotocol", -1 },
246 { "server-response", 'S', OPT_BOOLEAN, "serverresponse", -1 },
247 { "span-hosts", 'H', OPT_BOOLEAN, "spanhosts", -1 },
248 { "spider", 0, OPT_BOOLEAN, "spider", -1 },
249 { "strict-comments", 0, OPT_BOOLEAN, "strictcomments", -1 },
250 { "timeout", 'T', OPT_VALUE, "timeout", -1 },
251 { "timestamping", 'N', OPT_BOOLEAN, "timestamping", -1 },
252 { "tries", 't', OPT_VALUE, "tries", -1 },
253 { "user", 0, OPT_VALUE, "user", -1 },
254 { "user-agent", 'U', OPT_VALUE, "useragent", -1 },
255 { "verbose", 'v', OPT_BOOLEAN, "verbose", -1 },
256 { "verbose", 0, OPT_BOOLEAN, "verbose", -1 },
257 { "version", 'V', OPT_FUNCALL, (void *) print_version, no_argument },
258 { "wait", 'w', OPT_VALUE, "wait", -1 },
259 { "waitretry", 0, OPT_VALUE, "waitretry", -1 },
261 { "wdebug", 0, OPT_BOOLEAN, "wdebug", -1 },
268 /* Return a string that contains S with "no-" prepended. The string
269 is NUL-terminated and allocated off static storage at Wget
273 no_prefix (const char *s)
275 static char buffer[1024];
276 static char *p = buffer;
279 int size = 3 + strlen (s) + 1; /* "no-STRING\0" */
280 if (p + size >= buffer + sizeof (buffer))
283 cp[0] = 'n', cp[1] = 'o', cp[2] = '-';
289 /* The arguments that that main passes to getopt_long. */
290 static struct option long_options[2 * countof (option_data) + 1];
291 static char short_options[128];
293 /* Mapping between short option chars and option_data indices. */
294 static unsigned char optmap[96];
296 /* Marker for `--no-FOO' values in long_options. */
297 #define BOOLEAN_NEG_MARKER 1024
299 /* Initialize the long_options array used by getopt_long from the data
305 char *p = short_options;
307 for (i = 0; i < countof (option_data); i++)
309 struct cmdline_option *opt = &option_data[i];
310 struct option *longopt;
313 /* The option is disabled. */
316 longopt = &long_options[o++];
317 longopt->name = opt->long_name;
321 *p++ = opt->short_name;
322 optmap[opt->short_name - 32] = longopt - long_options;
327 longopt->has_arg = required_argument;
332 /* Specify an optional argument for long options, so that
333 --option=off works the same as --no-option, for
334 compatibility with pre-1.10 Wget. However, don't specify
335 optional arguments short-option booleans because they
336 prevent combining of short options. */
337 longopt->has_arg = optional_argument;
338 /* For Boolean options, add the "--no-FOO" variant, which is
339 identical to "--foo", except it has opposite meaning and
340 it doesn't allow an argument. */
341 longopt = &long_options[o++];
342 longopt->name = no_prefix (opt->long_name);
343 longopt->has_arg = no_argument;
344 /* Mask the value so we'll be able to recognize that we're
345 dealing with the false value. */
346 longopt->val = i | BOOLEAN_NEG_MARKER;
349 assert (opt->argtype != -1);
350 longopt->has_arg = opt->argtype;
353 if (longopt->has_arg == required_argument)
355 /* Don't handle optional_argument */
359 /* Terminate short_options. */
361 /* No need for xzero(long_options[o]) because its storage is static
362 and it will be zeroed by default. */
363 assert (o <= countof (long_options));
366 /* Print the usage message. */
370 printf (_("Usage: %s [OPTION]... [URL]...\n"), exec_name);
373 /* Print the help message, describing all the available options. If
374 you add an option, be sure to update this list. */
378 /* We split the help text this way to ease translation of individual
380 static const char *help[] = {
383 Mandatory arguments to long options are mandatory for short options too.\n\n"),
387 -V, --version display the version of Wget and exit.\n"),
389 -h, --help print this help.\n"),
391 -b, --background go to background after startup.\n"),
393 -e, --execute=COMMAND execute a `.wgetrc'-style command.\n"),
397 Logging and input file:\n"),
399 -o, --output-file=FILE log messages to FILE.\n"),
401 -a, --append-output=FILE append messages to FILE.\n"),
404 -d, --debug print lots of debugging information.\n"),
408 --wdebug print Watt-32 debug output.\n"),
411 -q, --quiet quiet (no output).\n"),
413 -v, --verbose be verbose (this is the default).\n"),
415 -nv, --no-verbose turn off verboseness, without being quiet.\n"),
417 -i, --input-file=FILE download URLs found in local or external FILE.\n"),
419 -F, --force-html treat input file as HTML.\n"),
421 -B, --base=URL prepends URL to relative links in -F -i file.\n"),
427 -t, --tries=NUMBER set number of retries to NUMBER (0 unlimits).\n"),
429 --retry-connrefused retry even if connection is refused.\n"),
431 -O, --output-document=FILE write documents to FILE.\n"),
433 -nc, --no-clobber skip downloads that would download to\n\
436 -c, --continue resume getting a partially-downloaded file.\n"),
438 --progress=TYPE select progress gauge type.\n"),
440 -N, --timestamping don't re-retrieve files unless newer than\n\
443 -S, --server-response print server response.\n"),
445 --spider don't download anything.\n"),
447 -T, --timeout=SECONDS set all timeout values to SECONDS.\n"),
449 --dns-timeout=SECS set the DNS lookup timeout to SECS.\n"),
451 --connect-timeout=SECS set the connect timeout to SECS.\n"),
453 --read-timeout=SECS set the read timeout to SECS.\n"),
455 -w, --wait=SECONDS wait SECONDS between retrievals.\n"),
457 --waitretry=SECONDS wait 1..SECONDS between retries of a retrieval.\n"),
459 --random-wait wait from 0...2*WAIT secs between retrievals.\n"),
461 --no-proxy explicitly turn off proxy.\n"),
463 -Q, --quota=NUMBER set retrieval quota to NUMBER.\n"),
465 --bind-address=ADDRESS bind to ADDRESS (hostname or IP) on local host.\n"),
467 --limit-rate=RATE limit download rate to RATE.\n"),
469 --no-dns-cache disable caching DNS lookups.\n"),
471 --restrict-file-names=OS restrict chars in file names to ones OS allows.\n"),
473 --ignore-case ignore case when matching files/directories.\n"),
476 -4, --inet4-only connect only to IPv4 addresses.\n"),
478 -6, --inet6-only connect only to IPv6 addresses.\n"),
480 --prefer-family=FAMILY connect first to addresses of specified family,\n\
481 one of IPv6, IPv4, or none.\n"),
484 --user=USER set both ftp and http user to USER.\n"),
486 --password=PASS set both ftp and http password to PASS.\n"),
488 --ask-password prompt for passwords.\n"),
494 -nd, --no-directories don't create directories.\n"),
496 -x, --force-directories force creation of directories.\n"),
498 -nH, --no-host-directories don't create host directories.\n"),
500 --protocol-directories use protocol name in directories.\n"),
502 -P, --directory-prefix=PREFIX save files to PREFIX/...\n"),
504 --cut-dirs=NUMBER ignore NUMBER remote directory components.\n"),
510 --http-user=USER set http user to USER.\n"),
512 --http-password=PASS set http password to PASS.\n"),
514 --no-cache disallow server-cached data.\n"),
516 --default-page=NAME Change the default page name (normally\n\
517 this is `index.html'.).\n"),
519 -E, --html-extension save HTML documents with `.html' extension.\n"),
521 --ignore-length ignore `Content-Length' header field.\n"),
523 --header=STRING insert STRING among the headers.\n"),
525 --max-redirect maximum redirections allowed per page.\n"),
527 --proxy-user=USER set USER as proxy username.\n"),
529 --proxy-password=PASS set PASS as proxy password.\n"),
531 --referer=URL include `Referer: URL' header in HTTP request.\n"),
533 --save-headers save the HTTP headers to file.\n"),
535 -U, --user-agent=AGENT identify as AGENT instead of Wget/VERSION.\n"),
537 --no-http-keep-alive disable HTTP keep-alive (persistent connections).\n"),
539 --no-cookies don't use cookies.\n"),
541 --load-cookies=FILE load cookies from FILE before session.\n"),
543 --save-cookies=FILE save cookies to FILE after session.\n"),
545 --keep-session-cookies load and save session (non-permanent) cookies.\n"),
547 --post-data=STRING use the POST method; send STRING as the data.\n"),
549 --post-file=FILE use the POST method; send contents of FILE.\n"),
551 --content-disposition honor the Content-Disposition header when\n\
552 choosing local file names (EXPERIMENTAL).\n"),
554 --auth-no-challenge Send Basic HTTP authentication information\n\
555 without first waiting for the server's\n\
561 HTTPS (SSL/TLS) options:\n"),
563 --secure-protocol=PR choose secure protocol, one of auto, SSLv2,\n\
564 SSLv3, and TLSv1.\n"),
566 --no-check-certificate don't validate the server's certificate.\n"),
568 --certificate=FILE client certificate file.\n"),
570 --certificate-type=TYPE client certificate type, PEM or DER.\n"),
572 --private-key=FILE private key file.\n"),
574 --private-key-type=TYPE private key type, PEM or DER.\n"),
576 --ca-certificate=FILE file with the bundle of CA's.\n"),
578 --ca-directory=DIR directory where hash list of CA's is stored.\n"),
580 --random-file=FILE file with random data for seeding the SSL PRNG.\n"),
582 --egd-file=FILE file naming the EGD socket with random data.\n"),
584 #endif /* HAVE_SSL */
589 --ftp-user=USER set ftp user to USER.\n"),
591 --ftp-password=PASS set ftp password to PASS.\n"),
593 --no-remove-listing don't remove `.listing' files.\n"),
595 --no-glob turn off FTP file name globbing.\n"),
597 --no-passive-ftp disable the \"passive\" transfer mode.\n"),
599 --retr-symlinks when recursing, get linked-to files (not dir).\n"),
601 --preserve-permissions preserve remote file permissions.\n"),
605 Recursive download:\n"),
607 -r, --recursive specify recursive download.\n"),
609 -l, --level=NUMBER maximum recursion depth (inf or 0 for infinite).\n"),
611 --delete-after delete files locally after downloading them.\n"),
613 -k, --convert-links make links in downloaded HTML or CSS point to\n\
616 -K, --backup-converted before converting file X, back up as X.orig.\n"),
618 -m, --mirror shortcut for -N -r -l inf --no-remove-listing.\n"),
620 -p, --page-requisites get all images, etc. needed to display HTML page.\n"),
622 --strict-comments turn on strict (SGML) handling of HTML comments.\n"),
626 Recursive accept/reject:\n"),
628 -A, --accept=LIST comma-separated list of accepted extensions.\n"),
630 -R, --reject=LIST comma-separated list of rejected extensions.\n"),
632 -D, --domains=LIST comma-separated list of accepted domains.\n"),
634 --exclude-domains=LIST comma-separated list of rejected domains.\n"),
636 --follow-ftp follow FTP links from HTML documents.\n"),
638 --follow-tags=LIST comma-separated list of followed HTML tags.\n"),
640 --ignore-tags=LIST comma-separated list of ignored HTML tags.\n"),
642 -H, --span-hosts go to foreign hosts when recursive.\n"),
644 -L, --relative follow relative links only.\n"),
646 -I, --include-directories=LIST list of allowed directories.\n"),
648 -X, --exclude-directories=LIST list of excluded directories.\n"),
650 -np, --no-parent don't ascend to the parent directory.\n"),
653 N_("Mail bug reports and suggestions to <bug-wget@gnu.org>.\n")
658 printf (_("GNU Wget %s, a non-interactive network retriever.\n"),
662 for (i = 0; i < countof (help); i++)
663 fputs (_(help[i]), stdout);
668 /* Return a human-readable printed representation of INTERVAL,
669 measured in seconds. */
672 secs_to_human_time (double interval)
675 int secs = (int) (interval + 0.5);
676 int hours, mins, days;
678 days = secs / 86400, secs %= 86400;
679 hours = secs / 3600, secs %= 3600;
680 mins = secs / 60, secs %= 60;
683 sprintf (buf, "%dd %dh %dm %ds", days, hours, mins, secs);
685 sprintf (buf, "%dh %dm %ds", hours, mins, secs);
687 sprintf (buf, "%dm %ds", mins, secs);
689 sprintf (buf, "%ss", print_decimal (interval));
695 prompt_for_password (void)
698 printf (_("Password for user %s: "), quote (opt.user));
700 printf (_("Password: "));
704 /* Function that prints the line argument while limiting it
705 to at most line_length. prefix is printed on the first line
706 and an appropriate number of spaces are added on subsequent
709 format_and_print_line (char* prefix, char* line,
712 assert (prefix != NULL);
713 assert (line != NULL);
715 if (line_length <= 0)
716 line_length = max_chars_per_line;
718 const int leading_spaces = strlen (prefix);
719 printf ("%s", prefix);
720 int remaining_chars = line_length - leading_spaces;
721 /* We break on spaces. */
722 char* token = strtok (line, " ");
723 while (token != NULL)
725 /* If however a token is much larger than the maximum
726 line length, all bets are off and we simply print the
727 token on the next line. */
728 if (remaining_chars <= strlen (token))
732 for (j = 0; j < leading_spaces; j++)
736 remaining_chars = line_length - leading_spaces;
738 printf ("%s ", token);
739 remaining_chars -= strlen (token) + 1; // account for " "
740 token = strtok (NULL, " ");
745 /* FIXME: Responsibility for deallocation should be handled by
746 whatever allocated it, wherever possible. These two lines result
747 in unnecessary strdup calls in the print_version function. */
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);
800 printf ("%s (system)\n", SYSTEM_WGETRC);
803 format_and_print_line (strdup (locale_title),
807 format_and_print_line (strdup (compile_title),
808 strdup (compilation_string),
811 format_and_print_line (strdup (link_title),
812 strdup (link_string),
815 /* TRANSLATORS: When available, an actual copyright character
816 (cirle-c) should be used in preference to "(C)". */
818 Copyright (C) 2008 Free Software Foundation, Inc.\n"), stdout);
820 License GPLv3+: GNU GPL version 3 or later\n\
821 <http://www.gnu.org/licenses/gpl.html>.\n\
822 This is free software: you are free to change and redistribute it.\n\
823 There is NO WARRANTY, to the extent permitted by law.\n"), stdout);
824 /* TRANSLATORS: When available, please use the proper diacritics for
825 names such as this one. See en_US.po for reference. */
826 fputs (_("\nOriginally written by Hrvoje Niksic <hniksic@xemacs.org>.\n"),
828 fputs (_("Currently maintained by Micah Cowan <micah@cowan.name>.\n"),
833 char *program_name; /* Needed by lib/error.c. */
836 main (int argc, char **argv)
839 int i, ret, longindex;
841 bool append_to_log = false;
843 program_name = argv[0];
847 /* Construct the name of the executable, without the directory part. */
848 exec_name = strrchr (argv[0], PATH_SEPARATOR);
855 /* Drop extension (typically .EXE) from executable filename. */
856 windows_main ((char **) &exec_name);
859 /* Set option defaults; read the system wgetrc and ~/.wgetrc. */
864 while ((ret = getopt_long (argc, argv,
865 short_options, long_options, &longindex)) != -1)
868 struct cmdline_option *opt;
870 /* If LONGINDEX is unchanged, it means RET is referring a short
878 printf (_("Try `%s --help' for more options.\n"), exec_name);
881 /* Find the short option character in the mapping. */
882 longindex = optmap[ret - 32];
884 val = long_options[longindex].val;
886 /* Use the retrieved value to locate the option in the
887 option_data array, and to see if we're dealing with the
888 negated "--no-FOO" variant of the boolean option "--foo". */
889 opt = &option_data[val & ~BOOLEAN_NEG_MARKER];
893 setoptval (opt->data, optarg, opt->long_name);
897 /* The user has specified a value -- use it. */
898 setoptval (opt->data, optarg, opt->long_name);
901 /* NEG is true for `--no-FOO' style boolean options. */
902 bool neg = !!(val & BOOLEAN_NEG_MARKER);
903 setoptval (opt->data, neg ? "0" : "1", opt->long_name);
908 void (*func) (void) = (void (*) (void)) opt->data;
912 case OPT__APPEND_OUTPUT:
913 setoptval ("logfile", optarg, opt->long_name);
914 append_to_log = true;
917 run_command (optarg);
921 /* We support real --no-FOO flags now, but keep these
922 short options for convenience and backward
925 for (p = optarg; *p; p++)
929 setoptval ("verbose", "0", opt->long_name);
932 setoptval ("addhostdir", "0", opt->long_name);
935 setoptval ("dirstruct", "0", opt->long_name);
938 setoptval ("noclobber", "1", opt->long_name);
941 setoptval ("noparent", "1", opt->long_name);
944 printf (_("%s: illegal option -- `-n%c'\n"), exec_name, *p);
947 printf (_("Try `%s --help' for more options.\n"), exec_name);
955 /* The wgetrc commands are named noparent and noclobber,
956 so we must revert the meaning of the cmdline options
957 before passing the value to setoptval. */
960 flag = (*optarg == '1' || c_tolower (*optarg) == 'y'
961 || (c_tolower (optarg[0]) == 'o'
962 && c_tolower (optarg[1]) == 'n'));
963 setoptval (opt->type == OPT__PARENT ? "noparent" : "noclobber",
964 flag ? "0" : "1", opt->long_name);
967 case OPT__DONT_REMOVE_LISTING:
968 setoptval ("removelisting", "0", opt->long_name);
975 nurl = argc - optind;
977 /* All user options have now been processed, so it's now safe to do
978 interoption dependency checks. */
980 if (opt.reclevel == 0)
981 opt.reclevel = INFINITE_RECURSION; /* see recur.h for commentary */
983 if (opt.spider || opt.delete_after)
984 opt.no_dirstruct = true;
986 if (opt.page_requisites && !opt.recursive)
988 /* Don't set opt.recursive here because it would confuse the FTP
989 code. Instead, call retrieve_tree below when either
990 page_requisites or recursive is requested. */
992 if (!opt.no_dirstruct)
993 opt.dirstruct = 1; /* normally handled by cmd_spec_recursive() */
996 if (opt.verbose == -1)
997 opt.verbose = !opt.quiet;
1000 if (opt.verbose && opt.quiet)
1002 printf (_("Can't be verbose and quiet at the same time.\n"));
1006 if (opt.timestamping && opt.noclobber)
1009 Can't timestamp and not clobber old files at the same time.\n"));
1014 if (opt.ipv4_only && opt.ipv6_only)
1016 printf (_("Cannot specify both --inet4-only and --inet6-only.\n"));
1021 if (opt.output_document)
1023 if (opt.convert_links
1024 && (nurl > 1 || opt.page_requisites || opt.recursive))
1027 Cannot specify both -k and -O if multiple URLs are given, or in combination\n\
1028 with -p or -r. See the manual for details.\n\n"), stdout);
1032 if (opt.page_requisites
1035 logprintf (LOG_NOTQUIET, "%s", _("\
1036 WARNING: combining -O with -r or -p will mean that all downloaded content\n\
1037 will be placed in the single file you specified.\n\n"));
1039 if (opt.timestamping)
1041 logprintf (LOG_NOTQUIET, "%s", _("\
1042 WARNING: timestamping does nothing in combination with -O. See the manual\n\
1043 for details.\n\n"));
1044 opt.timestamping = false;
1046 if (opt.noclobber && file_exists_p(opt.output_document))
1048 /* Check if output file exists; if it does, exit. */
1049 logprintf (LOG_VERBOSE, _("File `%s' already there; not retrieving.\n"), opt.output_document);
1054 if (opt.ask_passwd && opt.passwd)
1056 printf (_("Cannot specify both --ask-password and --password.\n"));
1061 if (!nurl && !opt.input_filename)
1063 /* No URL specified. */
1064 printf (_("%s: missing URL\n"), exec_name);
1067 /* #### Something nicer should be printed here -- similar to the
1068 pre-1.5 `--help' page. */
1069 printf (_("Try `%s --help' for more options.\n"), exec_name);
1075 opt.passwd = prompt_for_password ();
1077 if (opt.passwd == NULL || opt.passwd[0] == '\0')
1087 fork_to_background ();
1090 /* Initialize progress. Have to do this after the options are
1091 processed so we know where the log file is. */
1093 set_progress_implementation (opt.progress_type);
1095 /* Fill in the arguments. */
1096 url = alloca_array (char *, nurl + 1);
1097 for (i = 0; i < nurl; i++, optind++)
1099 char *rewritten = rewrite_shorthand_url (argv[optind]);
1103 url[i] = xstrdup (argv[optind]);
1107 /* Initialize logging. */
1108 log_init (opt.lfilename, append_to_log);
1110 DEBUGP (("DEBUG output created by Wget %s on %s.\n\n", version_string,
1113 /* Open the output filename if necessary. */
1114 if (opt.output_document)
1116 if (HYPHENP (opt.output_document))
1120 result = freopen (NULL, "wb", stdout);
1123 logputs (LOG_NOTQUIET, _("\
1124 WARNING: Can't reopen standard output in binary mode;\n\
1125 downloaded file may contain inappropriate line endings.\n"));
1128 output_stream = stdout;
1133 output_stream = fopen (opt.output_document,
1134 opt.always_rest ? "ab" : "wb");
1135 if (output_stream == NULL)
1137 perror (opt.output_document);
1140 if (fstat (fileno (output_stream), &st) == 0 && S_ISREG (st.st_mode))
1141 output_stream_regular = true;
1150 /* Setup the signal handler to redirect output when hangup is
1152 if (signal(SIGHUP, SIG_IGN) != SIG_IGN)
1153 signal(SIGHUP, redirect_output_signal);
1155 /* ...and do the same for SIGUSR1. */
1157 signal (SIGUSR1, redirect_output_signal);
1160 /* Writing to a closed socket normally signals SIGPIPE, and the
1161 process exits. What we want is to ignore SIGPIPE and just check
1162 for the return value of write(). */
1163 signal (SIGPIPE, SIG_IGN);
1166 signal (SIGWINCH, progress_handle_sigwinch);
1169 status = RETROK; /* initialize it, just-in-case */
1170 /* Retrieve the URLs from argument list. */
1171 for (t = url; *t; t++)
1173 char *filename = NULL, *redirected_URL = NULL;
1176 if ((opt.recursive || opt.page_requisites)
1177 && (url_scheme (*t) != SCHEME_FTP || url_uses_proxy (*t)))
1179 int old_follow_ftp = opt.follow_ftp;
1181 /* Turn opt.follow_ftp on in case of recursive FTP retrieval */
1182 if (url_scheme (*t) == SCHEME_FTP)
1185 status = retrieve_tree (*t);
1187 opt.follow_ftp = old_follow_ftp;
1190 status = retrieve_url (*t, &filename, &redirected_URL, NULL, &dt, opt.recursive);
1192 if (opt.delete_after && file_exists_p(filename))
1194 DEBUGP (("Removing file due to --delete-after in main():\n"));
1195 logprintf (LOG_VERBOSE, _("Removing %s.\n"), filename);
1196 if (unlink (filename))
1197 logprintf (LOG_NOTQUIET, "unlink: %s\n", strerror (errno));
1200 xfree_null (redirected_URL);
1201 xfree_null (filename);
1204 /* And then from the input file, if any. */
1205 if (opt.input_filename)
1208 status = retrieve_from_file (opt.input_filename, opt.force_html, &count);
1210 logprintf (LOG_NOTQUIET, _("No URLs found in %s.\n"),
1211 opt.input_filename);
1214 /* Print broken links. */
1215 if (opt.recursive && opt.spider)
1217 print_broken_links();
1220 /* Print the downloaded sum. */
1221 if ((opt.recursive || opt.page_requisites
1223 || (opt.input_filename && total_downloaded_bytes != 0))
1225 total_downloaded_bytes != 0)
1227 logprintf (LOG_NOTQUIET,
1228 _("FINISHED --%s--\nDownloaded: %d files, %s in %s (%s)\n"),
1229 datetime_str (time (NULL)),
1231 human_readable (total_downloaded_bytes),
1232 secs_to_human_time (total_download_time),
1233 retr_rate (total_downloaded_bytes, total_download_time));
1234 /* Print quota warning, if exceeded. */
1235 if (opt.quota && total_downloaded_bytes > opt.quota)
1236 logprintf (LOG_NOTQUIET,
1237 _("Download quota of %s EXCEEDED!\n"),
1238 human_readable (opt.quota));
1241 if (opt.cookies_output)
1244 if (opt.convert_links && !opt.delete_after)
1245 convert_all_links ();
1248 for (i = 0; i < nurl; i++)
1252 if (status == RETROK)
1257 #endif /* TESTING */
1259 #if defined(SIGHUP) || defined(SIGUSR1)
1261 /* So the signal_name check doesn't blow when only one is available. */
1269 /* Hangup signal handler. When wget receives SIGHUP or SIGUSR1, it
1270 will proceed operation as usual, trying to write into a log file.
1271 If that is impossible, the output will be turned off. */
1274 redirect_output_signal (int sig)
1276 const char *signal_name = (sig == SIGHUP ? "SIGHUP" :
1277 (sig == SIGUSR1 ? "SIGUSR1" :
1279 log_request_redirect_output (signal_name);
1280 progress_schedule_redirect ();
1281 signal (sig, redirect_output_signal);