1 /* Command line parsing.
2 Copyright (C) 1996-2006 Free Software Foundation, Inc.
4 This file is part of GNU Wget.
6 GNU Wget is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
11 GNU Wget is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with Wget. If not, see <http://www.gnu.org/licenses/>.
19 In addition, as a special exception, the Free Software Foundation
20 gives permission to link the code of its release of Wget with the
21 OpenSSL project's "OpenSSL" library (or with modified versions of it
22 that use the same license as the "OpenSSL" library), and distribute
23 the linked executables. You must obey the GNU General Public License
24 in all respects for all of the code used other than "OpenSSL". If you
25 modify this file, you may extend this exception to your version of the
26 file, but you are not obligated to do so. If you do not wish to do
27 so, delete this exception statement from your version. */
35 #endif /* HAVE_UNISTD_H */
52 #include "progress.h" /* for progress_handle_sigwinch */
55 #include "http.h" /* for save_cookies */
57 /* On GNU system this will include system-wide getopt.h. */
60 #ifndef PATH_SEPARATOR
61 # define PATH_SEPARATOR '/'
66 extern char *version_string;
68 #if defined(SIGHUP) || defined(SIGUSR1)
69 static void redirect_output_signal (int);
72 const char *exec_name;
74 /* Initialize I18N/L10N. That amounts to invoking setlocale, and
75 setting up gettext's message catalog using bindtextdomain and
76 textdomain. Does nothing if NLS is disabled or missing. */
79 i18n_initialize (void)
81 /* HAVE_NLS implies existence of functions invoked here. */
83 /* Set the current locale. */
84 setlocale (LC_ALL, "");
85 /* Set the text message domain. */
86 bindtextdomain ("wget", LOCALEDIR);
91 /* Definition of command-line options. */
93 static void print_help (void);
94 static void print_version (void);
99 # define IF_SSL(x) NULL
103 # define WHEN_DEBUG(x) x
105 # define WHEN_DEBUG(x) NULL
108 struct cmdline_option {
109 const char *long_name;
115 /* Non-standard options that have to be handled specially in
119 OPT__DONT_REMOVE_LISTING,
124 const void *data; /* for standard options */
125 int argtype; /* for non-standard options */
128 static struct cmdline_option option_data[] =
130 { "accept", 'A', OPT_VALUE, "accept", -1 },
131 { "append-output", 'a', OPT__APPEND_OUTPUT, NULL, required_argument },
132 { "background", 'b', OPT_BOOLEAN, "background", -1 },
133 { "backup-converted", 'K', OPT_BOOLEAN, "backupconverted", -1 },
134 { "backups", 0, OPT_BOOLEAN, "backups", -1 },
135 { "base", 'B', OPT_VALUE, "base", -1 },
136 { "bind-address", 0, OPT_VALUE, "bindaddress", -1 },
137 { IF_SSL ("ca-certificate"), 0, OPT_VALUE, "cacertificate", -1 },
138 { IF_SSL ("ca-directory"), 0, OPT_VALUE, "cadirectory", -1 },
139 { "cache", 0, OPT_BOOLEAN, "cache", -1 },
140 { IF_SSL ("certificate"), 0, OPT_VALUE, "certificate", -1 },
141 { IF_SSL ("certificate-type"), 0, OPT_VALUE, "certificatetype", -1 },
142 { IF_SSL ("check-certificate"), 0, OPT_BOOLEAN, "checkcertificate", -1 },
143 { "clobber", 0, OPT__CLOBBER, NULL, optional_argument },
144 { "connect-timeout", 0, OPT_VALUE, "connecttimeout", -1 },
145 { "continue", 'c', OPT_BOOLEAN, "continue", -1 },
146 { "convert-links", 'k', OPT_BOOLEAN, "convertlinks", -1 },
147 { "content-disposition", 0, OPT_BOOLEAN, "contentdisposition", -1 },
148 { "cookies", 0, OPT_BOOLEAN, "cookies", -1 },
149 { "cut-dirs", 0, OPT_VALUE, "cutdirs", -1 },
150 { WHEN_DEBUG ("debug"), 'd', OPT_BOOLEAN, "debug", -1 },
151 { "delete-after", 0, OPT_BOOLEAN, "deleteafter", -1 },
152 { "directories", 0, OPT_BOOLEAN, "dirstruct", -1 },
153 { "directory-prefix", 'P', OPT_VALUE, "dirprefix", -1 },
154 { "dns-cache", 0, OPT_BOOLEAN, "dnscache", -1 },
155 { "dns-timeout", 0, OPT_VALUE, "dnstimeout", -1 },
156 { "domains", 'D', OPT_VALUE, "domains", -1 },
157 { "dont-remove-listing", 0, OPT__DONT_REMOVE_LISTING, NULL, no_argument },
158 { "dot-style", 0, OPT_VALUE, "dotstyle", -1 },
159 { "egd-file", 0, OPT_VALUE, "egdfile", -1 },
160 { "exclude-directories", 'X', OPT_VALUE, "excludedirectories", -1 },
161 { "exclude-domains", 0, OPT_VALUE, "excludedomains", -1 },
162 { "execute", 'e', OPT__EXECUTE, NULL, required_argument },
163 { "follow-ftp", 0, OPT_BOOLEAN, "followftp", -1 },
164 { "follow-tags", 0, OPT_VALUE, "followtags", -1 },
165 { "force-directories", 'x', OPT_BOOLEAN, "dirstruct", -1 },
166 { "force-html", 'F', OPT_BOOLEAN, "forcehtml", -1 },
167 { "ftp-password", 0, OPT_VALUE, "ftppassword", -1 },
168 { "ftp-user", 0, OPT_VALUE, "ftpuser", -1 },
169 { "glob", 0, OPT_BOOLEAN, "glob", -1 },
170 { "header", 0, OPT_VALUE, "header", -1 },
171 { "help", 'h', OPT_FUNCALL, (void *)print_help, no_argument },
172 { "host-directories", 0, OPT_BOOLEAN, "addhostdir", -1 },
173 { "html-extension", 'E', OPT_BOOLEAN, "htmlextension", -1 },
174 { "htmlify", 0, OPT_BOOLEAN, "htmlify", -1 },
175 { "http-keep-alive", 0, OPT_BOOLEAN, "httpkeepalive", -1 },
176 { "http-passwd", 0, OPT_VALUE, "httppassword", -1 }, /* deprecated */
177 { "http-password", 0, OPT_VALUE, "httppassword", -1 },
178 { "http-user", 0, OPT_VALUE, "httpuser", -1 },
179 { "ignore-case", 0, OPT_BOOLEAN, "ignorecase", -1 },
180 { "ignore-length", 0, OPT_BOOLEAN, "ignorelength", -1 },
181 { "ignore-tags", 0, OPT_VALUE, "ignoretags", -1 },
182 { "include-directories", 'I', OPT_VALUE, "includedirectories", -1 },
184 { "inet4-only", '4', OPT_BOOLEAN, "inet4only", -1 },
185 { "inet6-only", '6', OPT_BOOLEAN, "inet6only", -1 },
187 { "input-file", 'i', OPT_VALUE, "input", -1 },
188 { "keep-session-cookies", 0, OPT_BOOLEAN, "keepsessioncookies", -1 },
189 { "level", 'l', OPT_VALUE, "reclevel", -1 },
190 { "limit-rate", 0, OPT_VALUE, "limitrate", -1 },
191 { "load-cookies", 0, OPT_VALUE, "loadcookies", -1 },
192 { "mirror", 'm', OPT_BOOLEAN, "mirror", -1 },
193 { "no", 'n', OPT__NO, NULL, required_argument },
194 { "no-clobber", 0, OPT_BOOLEAN, "noclobber", -1 },
195 { "no-parent", 0, OPT_BOOLEAN, "noparent", -1 },
196 { "output-document", 'O', OPT_VALUE, "outputdocument", -1 },
197 { "output-file", 'o', OPT_VALUE, "logfile", -1 },
198 { "page-requisites", 'p', OPT_BOOLEAN, "pagerequisites", -1 },
199 { "parent", 0, OPT__PARENT, NULL, optional_argument },
200 { "passive-ftp", 0, OPT_BOOLEAN, "passiveftp", -1 },
201 { "password", 0, OPT_VALUE, "password", -1 },
202 { "post-data", 0, OPT_VALUE, "postdata", -1 },
203 { "post-file", 0, OPT_VALUE, "postfile", -1 },
204 { "prefer-family", 0, OPT_VALUE, "preferfamily", -1 },
205 { "preserve-permissions", 0, OPT_BOOLEAN, "preservepermissions", -1 },
206 { IF_SSL ("private-key"), 0, OPT_VALUE, "privatekey", -1 },
207 { IF_SSL ("private-key-type"), 0, OPT_VALUE, "privatekeytype", -1 },
208 { "progress", 0, OPT_VALUE, "progress", -1 },
209 { "protocol-directories", 0, OPT_BOOLEAN, "protocoldirectories", -1 },
210 { "proxy", 0, OPT_BOOLEAN, "useproxy", -1 },
211 { "proxy__compat", 'Y', OPT_VALUE, "useproxy", -1 }, /* back-compatible */
212 { "proxy-passwd", 0, OPT_VALUE, "proxypassword", -1 }, /* deprecated */
213 { "proxy-password", 0, OPT_VALUE, "proxypassword", -1 },
214 { "proxy-user", 0, OPT_VALUE, "proxyuser", -1 },
215 { "quiet", 'q', OPT_BOOLEAN, "quiet", -1 },
216 { "quota", 'Q', OPT_VALUE, "quota", -1 },
217 { "random-file", 0, OPT_VALUE, "randomfile", -1 },
218 { "random-wait", 0, OPT_BOOLEAN, "randomwait", -1 },
219 { "read-timeout", 0, OPT_VALUE, "readtimeout", -1 },
220 { "recursive", 'r', OPT_BOOLEAN, "recursive", -1 },
221 { "referer", 0, OPT_VALUE, "referer", -1 },
222 { "reject", 'R', OPT_VALUE, "reject", -1 },
223 { "relative", 'L', OPT_BOOLEAN, "relativeonly", -1 },
224 { "remove-listing", 0, OPT_BOOLEAN, "removelisting", -1 },
225 { "restrict-file-names", 0, OPT_BOOLEAN, "restrictfilenames", -1 },
226 { "retr-symlinks", 0, OPT_BOOLEAN, "retrsymlinks", -1 },
227 { "retry-connrefused", 0, OPT_BOOLEAN, "retryconnrefused", -1 },
228 { "save-cookies", 0, OPT_VALUE, "savecookies", -1 },
229 { "save-headers", 0, OPT_BOOLEAN, "saveheaders", -1 },
230 { IF_SSL ("secure-protocol"), 0, OPT_VALUE, "secureprotocol", -1 },
231 { "server-response", 'S', OPT_BOOLEAN, "serverresponse", -1 },
232 { "span-hosts", 'H', OPT_BOOLEAN, "spanhosts", -1 },
233 { "spider", 0, OPT_BOOLEAN, "spider", -1 },
234 { "strict-comments", 0, OPT_BOOLEAN, "strictcomments", -1 },
235 { "timeout", 'T', OPT_VALUE, "timeout", -1 },
236 { "timestamping", 'N', OPT_BOOLEAN, "timestamping", -1 },
237 { "tries", 't', OPT_VALUE, "tries", -1 },
238 { "user", 0, OPT_VALUE, "user", -1 },
239 { "user-agent", 'U', OPT_VALUE, "useragent", -1 },
240 { "verbose", 'v', OPT_BOOLEAN, "verbose", -1 },
241 { "verbose", 0, OPT_BOOLEAN, "verbose", -1 },
242 { "version", 'V', OPT_FUNCALL, (void *) print_version, no_argument },
243 { "wait", 'w', OPT_VALUE, "wait", -1 },
244 { "waitretry", 0, OPT_VALUE, "waitretry", -1 },
250 /* Return a string that contains S with "no-" prepended. The string
251 is NUL-terminated and allocated off static storage at Wget
255 no_prefix (const char *s)
257 static char buffer[1024];
258 static char *p = buffer;
261 int size = 3 + strlen (s) + 1; /* "no-STRING\0" */
262 if (p + size >= buffer + sizeof (buffer))
265 cp[0] = 'n', cp[1] = 'o', cp[2] = '-';
271 /* The arguments that that main passes to getopt_long. */
272 static struct option long_options[2 * countof (option_data) + 1];
273 static char short_options[128];
275 /* Mapping between short option chars and option_data indices. */
276 static unsigned char optmap[96];
278 /* Marker for `--no-FOO' values in long_options. */
279 #define BOOLEAN_NEG_MARKER 1024
281 /* Initialize the long_options array used by getopt_long from the data
287 char *p = short_options;
289 for (i = 0; i < countof (option_data); i++)
291 struct cmdline_option *opt = &option_data[i];
292 struct option *longopt;
295 /* The option is disabled. */
298 longopt = &long_options[o++];
299 longopt->name = opt->long_name;
303 *p++ = opt->short_name;
304 optmap[opt->short_name - 32] = longopt - long_options;
309 longopt->has_arg = required_argument;
314 /* Specify an optional argument for long options, so that
315 --option=off works the same as --no-option, for
316 compatibility with pre-1.10 Wget. However, don't specify
317 optional arguments short-option booleans because they
318 prevent combining of short options. */
319 longopt->has_arg = optional_argument;
320 /* For Boolean options, add the "--no-FOO" variant, which is
321 identical to "--foo", except it has opposite meaning and
322 it doesn't allow an argument. */
323 longopt = &long_options[o++];
324 longopt->name = no_prefix (opt->long_name);
325 longopt->has_arg = no_argument;
326 /* Mask the value so we'll be able to recognize that we're
327 dealing with the false value. */
328 longopt->val = i | BOOLEAN_NEG_MARKER;
331 assert (opt->argtype != -1);
332 longopt->has_arg = opt->argtype;
335 if (longopt->has_arg == required_argument)
337 /* Don't handle optional_argument */
341 /* Terminate short_options. */
343 /* No need for xzero(long_options[o]) because its storage is static
344 and it will be zeroed by default. */
345 assert (o <= countof (long_options));
348 /* Print the usage message. */
352 printf (_("Usage: %s [OPTION]... [URL]...\n"), exec_name);
355 /* Print the help message, describing all the available options. If
356 you add an option, be sure to update this list. */
360 /* We split the help text this way to ease translation of individual
362 static const char *help[] = {
365 Mandatory arguments to long options are mandatory for short options too.\n\n"),
369 -V, --version display the version of Wget and exit.\n"),
371 -h, --help print this help.\n"),
373 -b, --background go to background after startup.\n"),
375 -e, --execute=COMMAND execute a `.wgetrc'-style command.\n"),
379 Logging and input file:\n"),
381 -o, --output-file=FILE log messages to FILE.\n"),
383 -a, --append-output=FILE append messages to FILE.\n"),
386 -d, --debug print lots of debugging information.\n"),
389 -q, --quiet quiet (no output).\n"),
391 -v, --verbose be verbose (this is the default).\n"),
393 -nv, --no-verbose turn off verboseness, without being quiet.\n"),
395 -i, --input-file=FILE download URLs found in FILE.\n"),
397 -F, --force-html treat input file as HTML.\n"),
399 -B, --base=URL prepends URL to relative links in -F -i file.\n"),
405 -t, --tries=NUMBER set number of retries to NUMBER (0 unlimits).\n"),
407 --retry-connrefused retry even if connection is refused.\n"),
409 -O, --output-document=FILE write documents to FILE.\n"),
411 -nc, --no-clobber skip downloads that would download to\n\
414 -c, --continue resume getting a partially-downloaded file.\n"),
416 --progress=TYPE select progress gauge type.\n"),
418 -N, --timestamping don't re-retrieve files unless newer than\n\
421 -S, --server-response print server response.\n"),
423 --spider don't download anything.\n"),
425 -T, --timeout=SECONDS set all timeout values to SECONDS.\n"),
427 --dns-timeout=SECS set the DNS lookup timeout to SECS.\n"),
429 --connect-timeout=SECS set the connect timeout to SECS.\n"),
431 --read-timeout=SECS set the read timeout to SECS.\n"),
433 -w, --wait=SECONDS wait SECONDS between retrievals.\n"),
435 --waitretry=SECONDS wait 1..SECONDS between retries of a retrieval.\n"),
437 --random-wait wait from 0...2*WAIT secs between retrievals.\n"),
439 -Y, --proxy explicitly turn on proxy.\n"),
441 --no-proxy explicitly turn off proxy.\n"),
443 -Q, --quota=NUMBER set retrieval quota to NUMBER.\n"),
445 --bind-address=ADDRESS bind to ADDRESS (hostname or IP) on local host.\n"),
447 --limit-rate=RATE limit download rate to RATE.\n"),
449 --no-dns-cache disable caching DNS lookups.\n"),
451 --restrict-file-names=OS restrict chars in file names to ones OS allows.\n"),
453 --ignore-case ignore case when matching files/directories.\n"),
456 -4, --inet4-only connect only to IPv4 addresses.\n"),
458 -6, --inet6-only connect only to IPv6 addresses.\n"),
460 --prefer-family=FAMILY connect first to addresses of specified family,\n\
461 one of IPv6, IPv4, or none.\n"),
464 --user=USER set both ftp and http user to USER.\n"),
466 --password=PASS set both ftp and http password to PASS.\n"),
472 -nd, --no-directories don't create directories.\n"),
474 -x, --force-directories force creation of directories.\n"),
476 -nH, --no-host-directories don't create host directories.\n"),
478 --protocol-directories use protocol name in directories.\n"),
480 -P, --directory-prefix=PREFIX save files to PREFIX/...\n"),
482 --cut-dirs=NUMBER ignore NUMBER remote directory components.\n"),
488 --http-user=USER set http user to USER.\n"),
490 --http-password=PASS set http password to PASS.\n"),
492 --no-cache disallow server-cached data.\n"),
494 -E, --html-extension save HTML documents with `.html' extension.\n"),
496 --ignore-length ignore `Content-Length' header field.\n"),
498 --header=STRING insert STRING among the headers.\n"),
500 --proxy-user=USER set USER as proxy username.\n"),
502 --proxy-password=PASS set PASS as proxy password.\n"),
504 --referer=URL include `Referer: URL' header in HTTP request.\n"),
506 --save-headers save the HTTP headers to file.\n"),
508 -U, --user-agent=AGENT identify as AGENT instead of Wget/VERSION.\n"),
510 --no-http-keep-alive disable HTTP keep-alive (persistent connections).\n"),
512 --no-cookies don't use cookies.\n"),
514 --load-cookies=FILE load cookies from FILE before session.\n"),
516 --save-cookies=FILE save cookies to FILE after session.\n"),
518 --keep-session-cookies load and save session (non-permanent) cookies.\n"),
520 --post-data=STRING use the POST method; send STRING as the data.\n"),
522 --post-file=FILE use the POST method; send contents of FILE.\n"),
524 --no-content-disposition don't honor Content-Disposition header.\n"),
529 HTTPS (SSL/TLS) options:\n"),
531 --secure-protocol=PR choose secure protocol, one of auto, SSLv2,\n\
532 SSLv3, and TLSv1.\n"),
534 --no-check-certificate don't validate the server's certificate.\n"),
536 --certificate=FILE client certificate file.\n"),
538 --certificate-type=TYPE client certificate type, PEM or DER.\n"),
540 --private-key=FILE private key file.\n"),
542 --private-key-type=TYPE private key type, PEM or DER.\n"),
544 --ca-certificate=FILE file with the bundle of CA's.\n"),
546 --ca-directory=DIR directory where hash list of CA's is stored.\n"),
548 --random-file=FILE file with random data for seeding the SSL PRNG.\n"),
550 --egd-file=FILE file naming the EGD socket with random data.\n"),
552 #endif /* HAVE_SSL */
557 --ftp-user=USER set ftp user to USER.\n"),
559 --ftp-password=PASS set ftp password to PASS.\n"),
561 --no-remove-listing don't remove `.listing' files.\n"),
563 --no-glob turn off FTP file name globbing.\n"),
565 --no-passive-ftp disable the \"passive\" transfer mode.\n"),
567 --retr-symlinks when recursing, get linked-to files (not dir).\n"),
569 --preserve-permissions preserve remote file permissions.\n"),
573 Recursive download:\n"),
575 -r, --recursive specify recursive download.\n"),
577 -l, --level=NUMBER maximum recursion depth (inf or 0 for infinite).\n"),
579 --delete-after delete files locally after downloading them.\n"),
581 -k, --convert-links make links in downloaded HTML point to local files.\n"),
583 -K, --backup-converted before converting file X, back up as X.orig.\n"),
585 -m, --mirror shortcut for -N -r -l inf --no-remove-listing.\n"),
587 -p, --page-requisites get all images, etc. needed to display HTML page.\n"),
589 --strict-comments turn on strict (SGML) handling of HTML comments.\n"),
593 Recursive accept/reject:\n"),
595 -A, --accept=LIST comma-separated list of accepted extensions.\n"),
597 -R, --reject=LIST comma-separated list of rejected extensions.\n"),
599 -D, --domains=LIST comma-separated list of accepted domains.\n"),
601 --exclude-domains=LIST comma-separated list of rejected domains.\n"),
603 --follow-ftp follow FTP links from HTML documents.\n"),
605 --follow-tags=LIST comma-separated list of followed HTML tags.\n"),
607 --ignore-tags=LIST comma-separated list of ignored HTML tags.\n"),
609 -H, --span-hosts go to foreign hosts when recursive.\n"),
611 -L, --relative follow relative links only.\n"),
613 -I, --include-directories=LIST list of allowed directories.\n"),
615 -X, --exclude-directories=LIST list of excluded directories.\n"),
617 -np, --no-parent don't ascend to the parent directory.\n"),
620 N_("Mail bug reports and suggestions to <bug-wget@gnu.org>.\n")
625 printf (_("GNU Wget %s, a non-interactive network retriever.\n"),
629 for (i = 0; i < countof (help); i++)
630 fputs (_(help[i]), stdout);
635 /* Return a human-readable printed representation of INTERVAL,
636 measured in seconds. */
639 secs_to_human_time (double interval)
642 int secs = (int) (interval + 0.5);
643 int hours, mins, days;
645 days = secs / 86400, secs %= 86400;
646 hours = secs / 3600, secs %= 3600;
647 mins = secs / 60, secs %= 60;
650 sprintf (buf, "%dd %dh %dm %ds", days, hours, mins, secs);
652 sprintf (buf, "%dh %dm %ds", hours, mins, secs);
654 sprintf (buf, "%dm %ds", mins, secs);
656 sprintf (buf, "%ss", print_decimal (interval));
664 printf ("GNU Wget %s\n\n", version_string);
666 Copyright (C) 2007 Free Software Foundation, Inc.\n"), stdout);
668 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>\n\
669 This is free software: you are free to change and redistribute it.\n\
670 There is NO WARRANTY, to the extent permitted by law.\n", stdout);
671 fputs (_("\nOriginally written by Hrvoje Niksic <hniksic@xemacs.org>.\n"),
673 fputs (_("Currently maintained by Micah Cowan <micah@cowan.name>.\n"),
680 main (int argc, char *const *argv)
683 int i, ret, longindex;
685 bool append_to_log = false;
689 /* Construct the name of the executable, without the directory part. */
690 exec_name = strrchr (argv[0], PATH_SEPARATOR);
697 /* Drop extension (typically .EXE) from executable filename. */
698 windows_main (&argc, (char **) argv, (char **) &exec_name);
701 /* Set option defaults; read the system wgetrc and ~/.wgetrc. */
706 while ((ret = getopt_long (argc, argv,
707 short_options, long_options, &longindex)) != -1)
710 struct cmdline_option *opt;
712 /* If LONGINDEX is unchanged, it means RET is referring a short
720 printf (_("Try `%s --help' for more options.\n"), exec_name);
723 /* Find the short option character in the mapping. */
724 longindex = optmap[ret - 32];
726 val = long_options[longindex].val;
728 /* Use the retrieved value to locate the option in the
729 option_data array, and to see if we're dealing with the
730 negated "--no-FOO" variant of the boolean option "--foo". */
731 opt = &option_data[val & ~BOOLEAN_NEG_MARKER];
735 setoptval (opt->data, optarg, opt->long_name);
739 /* The user has specified a value -- use it. */
740 setoptval (opt->data, optarg, opt->long_name);
743 /* NEG is true for `--no-FOO' style boolean options. */
744 bool neg = !!(val & BOOLEAN_NEG_MARKER);
745 setoptval (opt->data, neg ? "0" : "1", opt->long_name);
750 void (*func) (void) = (void (*) (void)) opt->data;
754 case OPT__APPEND_OUTPUT:
755 setoptval ("logfile", optarg, opt->long_name);
756 append_to_log = true;
759 run_command (optarg);
763 /* We support real --no-FOO flags now, but keep these
764 short options for convenience and backward
767 for (p = optarg; *p; p++)
771 setoptval ("verbose", "0", opt->long_name);
774 setoptval ("addhostdir", "0", opt->long_name);
777 setoptval ("dirstruct", "0", opt->long_name);
780 setoptval ("noclobber", "1", opt->long_name);
783 setoptval ("noparent", "1", opt->long_name);
786 printf (_("%s: illegal option -- `-n%c'\n"), exec_name, *p);
789 printf (_("Try `%s --help' for more options.\n"), exec_name);
797 /* The wgetrc commands are named noparent and noclobber,
798 so we must revert the meaning of the cmdline options
799 before passing the value to setoptval. */
802 flag = (*optarg == '1' || TOLOWER (*optarg) == 'y'
803 || (TOLOWER (optarg[0]) == 'o'
804 && TOLOWER (optarg[1]) == 'n'));
805 setoptval (opt->type == OPT__PARENT ? "noparent" : "noclobber",
806 flag ? "0" : "1", opt->long_name);
809 case OPT__DONT_REMOVE_LISTING:
810 setoptval ("removelisting", "0", opt->long_name);
817 nurl = argc - optind;
819 /* All user options have now been processed, so it's now safe to do
820 interoption dependency checks. */
822 if (opt.reclevel == 0)
823 opt.reclevel = INFINITE_RECURSION; /* see recur.h for commentary on this */
825 if (opt.page_requisites && !opt.recursive)
827 /* Don't set opt.recursive here because it would confuse the FTP
828 code. Instead, call retrieve_tree below when either
829 page_requisites or recursive is requested. */
831 if (!opt.no_dirstruct)
832 opt.dirstruct = 1; /* normally handled by cmd_spec_recursive() */
835 if (opt.verbose == -1)
836 opt.verbose = !opt.quiet;
839 if (opt.verbose && opt.quiet)
841 printf (_("Can't be verbose and quiet at the same time.\n"));
845 if (opt.timestamping && opt.noclobber)
848 Can't timestamp and not clobber old files at the same time.\n"));
853 if (opt.ipv4_only && opt.ipv6_only)
855 printf (_("Cannot specify both --inet4-only and --inet6-only.\n"));
860 if (opt.output_document
861 && (opt.page_requisites
863 || opt.timestamping))
865 printf (_("Cannot specify -r, -p or -N if -O is given.\n"));
869 if (opt.output_document
873 printf (_("Cannot specify both -k and -O if multiple URLs are given.\n"));
878 if (!nurl && !opt.input_filename)
880 /* No URL specified. */
881 printf (_("%s: missing URL\n"), exec_name);
884 /* #### Something nicer should be printed here -- similar to the
885 pre-1.5 `--help' page. */
886 printf (_("Try `%s --help' for more options.\n"), exec_name);
891 fork_to_background ();
893 /* Initialize progress. Have to do this after the options are
894 processed so we know where the log file is. */
896 set_progress_implementation (opt.progress_type);
898 /* Fill in the arguments. */
899 url = alloca_array (char *, nurl + 1);
900 for (i = 0; i < nurl; i++, optind++)
902 char *rewritten = rewrite_shorthand_url (argv[optind]);
906 url[i] = xstrdup (argv[optind]);
910 /* Initialize logging. */
911 log_init (opt.lfilename, append_to_log);
913 DEBUGP (("DEBUG output created by Wget %s on %s.\n\n", version_string,
916 /* Open the output filename if necessary. */
917 if (opt.output_document)
919 if (HYPHENP (opt.output_document))
920 output_stream = stdout;
924 output_stream = fopen (opt.output_document,
925 opt.always_rest ? "ab" : "wb");
926 if (output_stream == NULL)
928 perror (opt.output_document);
931 if (fstat (fileno (output_stream), &st) == 0 && S_ISREG (st.st_mode))
932 output_stream_regular = true;
941 /* Setup the signal handler to redirect output when hangup is
943 if (signal(SIGHUP, SIG_IGN) != SIG_IGN)
944 signal(SIGHUP, redirect_output_signal);
946 /* ...and do the same for SIGUSR1. */
948 signal (SIGUSR1, redirect_output_signal);
951 /* Writing to a closed socket normally signals SIGPIPE, and the
952 process exits. What we want is to ignore SIGPIPE and just check
953 for the return value of write(). */
954 signal (SIGPIPE, SIG_IGN);
957 signal (SIGWINCH, progress_handle_sigwinch);
960 status = RETROK; /* initialize it, just-in-case */
961 /* Retrieve the URLs from argument list. */
962 for (t = url; *t; t++)
964 char *filename = NULL, *redirected_URL = NULL;
967 if ((opt.recursive || opt.page_requisites)
968 && (url_scheme (*t) != SCHEME_FTP || url_uses_proxy (*t)))
970 int old_follow_ftp = opt.follow_ftp;
972 /* Turn opt.follow_ftp on in case of recursive FTP retrieval */
973 if (url_scheme (*t) == SCHEME_FTP)
976 status = retrieve_tree (*t);
978 opt.follow_ftp = old_follow_ftp;
981 status = retrieve_url (*t, &filename, &redirected_URL, NULL, &dt, opt.recursive);
983 if (opt.delete_after && file_exists_p(filename))
985 DEBUGP (("Removing file due to --delete-after in main():\n"));
986 logprintf (LOG_VERBOSE, _("Removing %s.\n"), filename);
987 if (unlink (filename))
988 logprintf (LOG_NOTQUIET, "unlink: %s\n", strerror (errno));
991 xfree_null (redirected_URL);
992 xfree_null (filename);
995 /* And then from the input file, if any. */
996 if (opt.input_filename)
999 status = retrieve_from_file (opt.input_filename, opt.force_html, &count);
1001 logprintf (LOG_NOTQUIET, _("No URLs found in %s.\n"),
1002 opt.input_filename);
1005 /* Print broken links. */
1006 if (opt.recursive && opt.spider)
1008 print_broken_links();
1011 /* Print the downloaded sum. */
1012 if ((opt.recursive || opt.page_requisites
1014 || (opt.input_filename && total_downloaded_bytes != 0))
1016 total_downloaded_bytes != 0)
1018 logprintf (LOG_NOTQUIET,
1019 _("FINISHED --%s--\nDownloaded: %d files, %s in %s (%s)\n"),
1020 time_str (time (NULL)),
1022 human_readable (total_downloaded_bytes),
1023 secs_to_human_time (total_download_time),
1024 retr_rate (total_downloaded_bytes, total_download_time));
1025 /* Print quota warning, if exceeded. */
1026 if (opt.quota && total_downloaded_bytes > opt.quota)
1027 logprintf (LOG_NOTQUIET,
1028 _("Download quota of %s EXCEEDED!\n"),
1029 human_readable (opt.quota));
1032 if (opt.cookies_output)
1035 if (opt.convert_links && !opt.delete_after)
1036 convert_all_links ();
1039 for (i = 0; i < nurl; i++)
1044 print_malloc_debug_stats ();
1046 if (status == RETROK)
1051 #endif /* TESTING */
1053 #if defined(SIGHUP) || defined(SIGUSR1)
1055 /* So the signal_name check doesn't blow when only one is available. */
1063 /* Hangup signal handler. When wget receives SIGHUP or SIGUSR1, it
1064 will proceed operation as usual, trying to write into a log file.
1065 If that is impossible, the output will be turned off. */
1068 redirect_output_signal (int sig)
1070 const char *signal_name = (sig == SIGHUP ? "SIGHUP" :
1071 (sig == SIGUSR1 ? "SIGUSR1" :
1073 log_request_redirect_output (signal_name);
1074 progress_schedule_redirect ();
1075 signal (sig, redirect_output_signal);