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/* Command line parsing.
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Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
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2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
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This file is part of GNU Wget.
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GNU Wget is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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GNU Wget is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Wget. If not, see <http://www.gnu.org/licenses/>.
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Additional permission under GNU GPL version 3 section 7
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If you modify this program, or any covered work, by linking or
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combining it with the OpenSSL project's OpenSSL library (or a
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modified version of that library), containing parts covered by the
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terms of the OpenSSL or SSLeay licenses, the Free Software Foundation
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grants you additional permission to convey the resulting work.
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Corresponding Source for a non-source form of such a combination
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shall include the source code for the parts of OpenSSL used as well
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as that of the covered work. */
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#endif /* HAVE_UNISTD_H */
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#include "progress.h" /* for progress_handle_sigwinch */
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#include "http.h" /* for save_cookies */
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#ifndef PATH_SEPARATOR
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# define PATH_SEPARATOR '/'
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/* defined in version.c */
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extern char *version_string;
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extern char *compilation_string;
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extern char *system_getrc;
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extern char *link_string;
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/* defined in build_info.c */
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extern char *compiled_features[];
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/* Used for --version output in print_version */
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#define MAX_CHARS_PER_LINE 72
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#if defined(SIGHUP) || defined(SIGUSR1)
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static void redirect_output_signal (int);
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const char *exec_name;
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/* Number of successfully downloaded URLs */
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/* Initialize I18N/L10N. That amounts to invoking setlocale, and
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setting up gettext's message catalog using bindtextdomain and
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textdomain. Does nothing if NLS is disabled or missing. */
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i18n_initialize (void)
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/* ENABLE_NLS implies existence of functions invoked here. */
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/* Set the current locale. */
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setlocale (LC_ALL, "");
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/* Set the text message domain. */
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bindtextdomain ("wget", LOCALEDIR);
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#endif /* ENABLE_NLS */
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/* Definition of command-line options. */
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static void print_help (void);
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static void print_version (void);
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# define IF_SSL(x) NULL
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# define WHEN_DEBUG(x) x
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# define WHEN_DEBUG(x) NULL
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struct cmdline_option {
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const char *long_name;
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/* Non-standard options that have to be handled specially in
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OPT__DONT_REMOVE_LISTING,
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const void *data; /* for standard options */
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int argtype; /* for non-standard options */
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static struct cmdline_option option_data[] =
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{ "accept", 'A', OPT_VALUE, "accept", -1 },
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{ "adjust-extension", 'E', OPT_BOOLEAN, "adjustextension", -1 },
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{ "append-output", 'a', OPT__APPEND_OUTPUT, NULL, required_argument },
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{ "ask-password", 0, OPT_BOOLEAN, "askpassword", -1 },
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{ "auth-no-challenge", 0, OPT_BOOLEAN, "authnochallenge", -1 },
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{ "background", 'b', OPT_BOOLEAN, "background", -1 },
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{ "backup-converted", 'K', OPT_BOOLEAN, "backupconverted", -1 },
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{ "backups", 0, OPT_BOOLEAN, "backups", -1 },
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{ "base", 'B', OPT_VALUE, "base", -1 },
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{ "bind-address", 0, OPT_VALUE, "bindaddress", -1 },
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{ IF_SSL ("ca-certificate"), 0, OPT_VALUE, "cacertificate", -1 },
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{ IF_SSL ("ca-directory"), 0, OPT_VALUE, "cadirectory", -1 },
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{ "cache", 0, OPT_BOOLEAN, "cache", -1 },
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{ IF_SSL ("certificate"), 0, OPT_VALUE, "certificate", -1 },
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{ IF_SSL ("certificate-type"), 0, OPT_VALUE, "certificatetype", -1 },
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{ IF_SSL ("check-certificate"), 0, OPT_BOOLEAN, "checkcertificate", -1 },
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{ "clobber", 0, OPT__CLOBBER, NULL, optional_argument },
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{ "connect-timeout", 0, OPT_VALUE, "connecttimeout", -1 },
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{ "continue", 'c', OPT_BOOLEAN, "continue", -1 },
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{ "convert-links", 'k', OPT_BOOLEAN, "convertlinks", -1 },
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{ "content-disposition", 0, OPT_BOOLEAN, "contentdisposition", -1 },
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{ "cookies", 0, OPT_BOOLEAN, "cookies", -1 },
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{ "cut-dirs", 0, OPT_VALUE, "cutdirs", -1 },
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{ WHEN_DEBUG ("debug"), 'd', OPT_BOOLEAN, "debug", -1 },
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{ "default-page", 0, OPT_VALUE, "defaultpage", -1 },
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{ "delete-after", 0, OPT_BOOLEAN, "deleteafter", -1 },
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{ "directories", 0, OPT_BOOLEAN, "dirstruct", -1 },
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{ "directory-prefix", 'P', OPT_VALUE, "dirprefix", -1 },
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{ "dns-cache", 0, OPT_BOOLEAN, "dnscache", -1 },
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{ "dns-timeout", 0, OPT_VALUE, "dnstimeout", -1 },
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{ "domains", 'D', OPT_VALUE, "domains", -1 },
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{ "dont-remove-listing", 0, OPT__DONT_REMOVE_LISTING, NULL, no_argument },
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{ "dot-style", 0, OPT_VALUE, "dotstyle", -1 }, /* deprecated */
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{ "egd-file", 0, OPT_VALUE, "egdfile", -1 },
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{ "exclude-directories", 'X', OPT_VALUE, "excludedirectories", -1 },
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{ "exclude-domains", 0, OPT_VALUE, "excludedomains", -1 },
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{ "execute", 'e', OPT__EXECUTE, NULL, required_argument },
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{ "follow-ftp", 0, OPT_BOOLEAN, "followftp", -1 },
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{ "follow-tags", 0, OPT_VALUE, "followtags", -1 },
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{ "force-directories", 'x', OPT_BOOLEAN, "dirstruct", -1 },
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{ "force-html", 'F', OPT_BOOLEAN, "forcehtml", -1 },
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{ "ftp-password", 0, OPT_VALUE, "ftppassword", -1 },
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{ "ftp-stmlf", 0, OPT_BOOLEAN, "ftpstmlf", -1 },
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#endif /* def __VMS */
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{ "ftp-user", 0, OPT_VALUE, "ftpuser", -1 },
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{ "glob", 0, OPT_BOOLEAN, "glob", -1 },
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{ "header", 0, OPT_VALUE, "header", -1 },
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{ "help", 'h', OPT_FUNCALL, (void *)print_help, no_argument },
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{ "host-directories", 0, OPT_BOOLEAN, "addhostdir", -1 },
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{ "html-extension", 'E', OPT_BOOLEAN, "adjustextension", -1 }, /* deprecated */
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{ "htmlify", 0, OPT_BOOLEAN, "htmlify", -1 },
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{ "http-keep-alive", 0, OPT_BOOLEAN, "httpkeepalive", -1 },
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{ "http-passwd", 0, OPT_VALUE, "httppassword", -1 }, /* deprecated */
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{ "http-password", 0, OPT_VALUE, "httppassword", -1 },
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{ "http-user", 0, OPT_VALUE, "httpuser", -1 },
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{ "ignore-case", 0, OPT_BOOLEAN, "ignorecase", -1 },
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{ "ignore-length", 0, OPT_BOOLEAN, "ignorelength", -1 },
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{ "ignore-tags", 0, OPT_VALUE, "ignoretags", -1 },
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{ "include-directories", 'I', OPT_VALUE, "includedirectories", -1 },
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{ "inet4-only", '4', OPT_BOOLEAN, "inet4only", -1 },
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{ "inet6-only", '6', OPT_BOOLEAN, "inet6only", -1 },
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{ "input-file", 'i', OPT_VALUE, "input", -1 },
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{ "iri", 0, OPT_BOOLEAN, "iri", -1 },
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{ "keep-session-cookies", 0, OPT_BOOLEAN, "keepsessioncookies", -1 },
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{ "level", 'l', OPT_VALUE, "reclevel", -1 },
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{ "limit-rate", 0, OPT_VALUE, "limitrate", -1 },
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{ "load-cookies", 0, OPT_VALUE, "loadcookies", -1 },
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{ "local-encoding", 0, OPT_VALUE, "localencoding", -1 },
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{ "max-redirect", 0, OPT_VALUE, "maxredirect", -1 },
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{ "mirror", 'm', OPT_BOOLEAN, "mirror", -1 },
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{ "no", 'n', OPT__NO, NULL, required_argument },
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{ "no-clobber", 0, OPT_BOOLEAN, "noclobber", -1 },
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{ "no-parent", 0, OPT_BOOLEAN, "noparent", -1 },
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{ "output-document", 'O', OPT_VALUE, "outputdocument", -1 },
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{ "output-file", 'o', OPT_VALUE, "logfile", -1 },
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{ "page-requisites", 'p', OPT_BOOLEAN, "pagerequisites", -1 },
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{ "parent", 0, OPT__PARENT, NULL, optional_argument },
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{ "passive-ftp", 0, OPT_BOOLEAN, "passiveftp", -1 },
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{ "password", 0, OPT_VALUE, "password", -1 },
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{ "post-data", 0, OPT_VALUE, "postdata", -1 },
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{ "post-file", 0, OPT_VALUE, "postfile", -1 },
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{ "prefer-family", 0, OPT_VALUE, "preferfamily", -1 },
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{ "preserve-permissions", 0, OPT_BOOLEAN, "preservepermissions", -1 }, /* deprecated */
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{ IF_SSL ("private-key"), 0, OPT_VALUE, "privatekey", -1 },
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{ IF_SSL ("private-key-type"), 0, OPT_VALUE, "privatekeytype", -1 },
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{ "progress", 0, OPT_VALUE, "progress", -1 },
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{ "protocol-directories", 0, OPT_BOOLEAN, "protocoldirectories", -1 },
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{ "proxy", 0, OPT_BOOLEAN, "useproxy", -1 },
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{ "proxy__compat", 'Y', OPT_VALUE, "useproxy", -1 }, /* back-compatible */
242
{ "proxy-passwd", 0, OPT_VALUE, "proxypassword", -1 }, /* deprecated */
243
{ "proxy-password", 0, OPT_VALUE, "proxypassword", -1 },
244
{ "proxy-user", 0, OPT_VALUE, "proxyuser", -1 },
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{ "quiet", 'q', OPT_BOOLEAN, "quiet", -1 },
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{ "quota", 'Q', OPT_VALUE, "quota", -1 },
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{ "random-file", 0, OPT_VALUE, "randomfile", -1 },
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{ "random-wait", 0, OPT_BOOLEAN, "randomwait", -1 },
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{ "read-timeout", 0, OPT_VALUE, "readtimeout", -1 },
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{ "recursive", 'r', OPT_BOOLEAN, "recursive", -1 },
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{ "referer", 0, OPT_VALUE, "referer", -1 },
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{ "reject", 'R', OPT_VALUE, "reject", -1 },
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{ "relative", 'L', OPT_BOOLEAN, "relativeonly", -1 },
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{ "remote-encoding", 0, OPT_VALUE, "remoteencoding", -1 },
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{ "remove-listing", 0, OPT_BOOLEAN, "removelisting", -1 },
256
{ "restrict-file-names", 0, OPT_BOOLEAN, "restrictfilenames", -1 },
257
{ "retr-symlinks", 0, OPT_BOOLEAN, "retrsymlinks", -1 },
258
{ "retry-connrefused", 0, OPT_BOOLEAN, "retryconnrefused", -1 },
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{ "save-cookies", 0, OPT_VALUE, "savecookies", -1 },
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{ "save-headers", 0, OPT_BOOLEAN, "saveheaders", -1 },
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{ IF_SSL ("secure-protocol"), 0, OPT_VALUE, "secureprotocol", -1 },
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{ "server-response", 'S', OPT_BOOLEAN, "serverresponse", -1 },
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{ "span-hosts", 'H', OPT_BOOLEAN, "spanhosts", -1 },
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{ "spider", 0, OPT_BOOLEAN, "spider", -1 },
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{ "strict-comments", 0, OPT_BOOLEAN, "strictcomments", -1 },
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{ "timeout", 'T', OPT_VALUE, "timeout", -1 },
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{ "timestamping", 'N', OPT_BOOLEAN, "timestamping", -1 },
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{ "tries", 't', OPT_VALUE, "tries", -1 },
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{ "trust-server-names", 0, OPT_BOOLEAN, "trustservernames", -1 },
270
{ "user", 0, OPT_VALUE, "user", -1 },
271
{ "user-agent", 'U', OPT_VALUE, "useragent", -1 },
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{ "verbose", 'v', OPT_BOOLEAN, "verbose", -1 },
273
{ "verbose", 0, OPT_BOOLEAN, "verbose", -1 },
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{ "version", 'V', OPT_FUNCALL, (void *) print_version, no_argument },
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{ "wait", 'w', OPT_VALUE, "wait", -1 },
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{ "waitretry", 0, OPT_VALUE, "waitretry", -1 },
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{ "wdebug", 0, OPT_BOOLEAN, "wdebug", -1 },
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/* Return a string that contains S with "no-" prepended. The string
286
is NUL-terminated and allocated off static storage at Wget
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no_prefix (const char *s)
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static char buffer[1024];
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static char *p = buffer;
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int size = 3 + strlen (s) + 1; /* "no-STRING\0" */
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if (p + size >= buffer + sizeof (buffer))
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cp[0] = 'n', cp[1] = 'o', cp[2] = '-';
306
/* The arguments that that main passes to getopt_long. */
307
static struct option long_options[2 * countof (option_data) + 1];
308
static char short_options[128];
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/* Mapping between short option chars and option_data indices. */
311
static unsigned char optmap[96];
313
/* Marker for `--no-FOO' values in long_options. */
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#define BOOLEAN_NEG_MARKER 1024
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/* Initialize the long_options array used by getopt_long from the data
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char *p = short_options;
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for (i = 0; i < countof (option_data); i++)
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struct cmdline_option *opt = &option_data[i];
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struct option *longopt;
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/* The option is disabled. */
333
longopt = &long_options[o++];
334
longopt->name = opt->long_name;
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*p++ = opt->short_name;
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optmap[opt->short_name - 32] = longopt - long_options;
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longopt->has_arg = required_argument;
349
/* Specify an optional argument for long options, so that
350
--option=off works the same as --no-option, for
351
compatibility with pre-1.10 Wget. However, don't specify
352
optional arguments short-option booleans because they
353
prevent combining of short options. */
354
longopt->has_arg = optional_argument;
355
/* For Boolean options, add the "--no-FOO" variant, which is
356
identical to "--foo", except it has opposite meaning and
357
it doesn't allow an argument. */
358
longopt = &long_options[o++];
359
longopt->name = no_prefix (opt->long_name);
360
longopt->has_arg = no_argument;
361
/* Mask the value so we'll be able to recognize that we're
362
dealing with the false value. */
363
longopt->val = i | BOOLEAN_NEG_MARKER;
366
assert (opt->argtype != -1);
367
longopt->has_arg = opt->argtype;
370
if (longopt->has_arg == required_argument)
372
/* Don't handle optional_argument */
376
/* Terminate short_options. */
378
/* No need for xzero(long_options[o]) because its storage is static
379
and it will be zeroed by default. */
380
assert (o <= countof (long_options));
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/* Print the usage message. */
387
printf (_("Usage: %s [OPTION]... [URL]...\n"), exec_name);
390
/* Print the help message, describing all the available options. If
391
you add an option, be sure to update this list. */
395
/* We split the help text this way to ease translation of individual
397
static const char *help[] = {
400
Mandatory arguments to long options are mandatory for short options too.\n\n"),
404
-V, --version display the version of Wget and exit.\n"),
406
-h, --help print this help.\n"),
408
-b, --background go to background after startup.\n"),
410
-e, --execute=COMMAND execute a `.wgetrc'-style command.\n"),
414
Logging and input file:\n"),
416
-o, --output-file=FILE log messages to FILE.\n"),
418
-a, --append-output=FILE append messages to FILE.\n"),
421
-d, --debug print lots of debugging information.\n"),
425
--wdebug print Watt-32 debug output.\n"),
428
-q, --quiet quiet (no output).\n"),
430
-v, --verbose be verbose (this is the default).\n"),
432
-nv, --no-verbose turn off verboseness, without being quiet.\n"),
434
-i, --input-file=FILE download URLs found in local or external FILE.\n"),
436
-F, --force-html treat input file as HTML.\n"),
438
-B, --base=URL resolves HTML input-file links (-i -F)\n\
439
relative to URL.\n"),
445
-t, --tries=NUMBER set number of retries to NUMBER (0 unlimits).\n"),
447
--retry-connrefused retry even if connection is refused.\n"),
449
-O, --output-document=FILE write documents to FILE.\n"),
451
-nc, --no-clobber skip downloads that would download to\n\
454
-c, --continue resume getting a partially-downloaded file.\n"),
456
--progress=TYPE select progress gauge type.\n"),
458
-N, --timestamping don't re-retrieve files unless newer than\n\
461
-S, --server-response print server response.\n"),
463
--spider don't download anything.\n"),
465
-T, --timeout=SECONDS set all timeout values to SECONDS.\n"),
467
--dns-timeout=SECS set the DNS lookup timeout to SECS.\n"),
469
--connect-timeout=SECS set the connect timeout to SECS.\n"),
471
--read-timeout=SECS set the read timeout to SECS.\n"),
473
-w, --wait=SECONDS wait SECONDS between retrievals.\n"),
475
--waitretry=SECONDS wait 1..SECONDS between retries of a retrieval.\n"),
477
--random-wait wait from 0...2*WAIT secs between retrievals.\n"),
479
--no-proxy explicitly turn off proxy.\n"),
481
-Q, --quota=NUMBER set retrieval quota to NUMBER.\n"),
483
--bind-address=ADDRESS bind to ADDRESS (hostname or IP) on local host.\n"),
485
--limit-rate=RATE limit download rate to RATE.\n"),
487
--no-dns-cache disable caching DNS lookups.\n"),
489
--restrict-file-names=OS restrict chars in file names to ones OS allows.\n"),
491
--ignore-case ignore case when matching files/directories.\n"),
494
-4, --inet4-only connect only to IPv4 addresses.\n"),
496
-6, --inet6-only connect only to IPv6 addresses.\n"),
498
--prefer-family=FAMILY connect first to addresses of specified family,\n\
499
one of IPv6, IPv4, or none.\n"),
502
--user=USER set both ftp and http user to USER.\n"),
504
--password=PASS set both ftp and http password to PASS.\n"),
506
--ask-password prompt for passwords.\n"),
508
--no-iri turn off IRI support.\n"),
510
--local-encoding=ENC use ENC as the local encoding for IRIs.\n"),
512
--remote-encoding=ENC use ENC as the default remote encoding.\n"),
518
-nd, --no-directories don't create directories.\n"),
520
-x, --force-directories force creation of directories.\n"),
522
-nH, --no-host-directories don't create host directories.\n"),
524
--protocol-directories use protocol name in directories.\n"),
526
-P, --directory-prefix=PREFIX save files to PREFIX/...\n"),
528
--cut-dirs=NUMBER ignore NUMBER remote directory components.\n"),
534
--http-user=USER set http user to USER.\n"),
536
--http-password=PASS set http password to PASS.\n"),
538
--no-cache disallow server-cached data.\n"),
540
--default-page=NAME Change the default page name (normally\n\
541
this is `index.html'.).\n"),
543
-E, --adjust-extension save HTML/CSS documents with proper extensions.\n"),
545
--ignore-length ignore `Content-Length' header field.\n"),
547
--header=STRING insert STRING among the headers.\n"),
549
--max-redirect maximum redirections allowed per page.\n"),
551
--proxy-user=USER set USER as proxy username.\n"),
553
--proxy-password=PASS set PASS as proxy password.\n"),
555
--referer=URL include `Referer: URL' header in HTTP request.\n"),
557
--save-headers save the HTTP headers to file.\n"),
559
-U, --user-agent=AGENT identify as AGENT instead of Wget/VERSION.\n"),
561
--no-http-keep-alive disable HTTP keep-alive (persistent connections).\n"),
563
--no-cookies don't use cookies.\n"),
565
--load-cookies=FILE load cookies from FILE before session.\n"),
567
--save-cookies=FILE save cookies to FILE after session.\n"),
569
--keep-session-cookies load and save session (non-permanent) cookies.\n"),
571
--post-data=STRING use the POST method; send STRING as the data.\n"),
573
--post-file=FILE use the POST method; send contents of FILE.\n"),
575
--content-disposition honor the Content-Disposition header when\n\
576
choosing local file names (EXPERIMENTAL).\n"),
578
--auth-no-challenge send Basic HTTP authentication information\n\
579
without first waiting for the server's\n\
585
HTTPS (SSL/TLS) options:\n"),
587
--secure-protocol=PR choose secure protocol, one of auto, SSLv2,\n\
588
SSLv3, and TLSv1.\n"),
590
--no-check-certificate don't validate the server's certificate.\n"),
592
--certificate=FILE client certificate file.\n"),
594
--certificate-type=TYPE client certificate type, PEM or DER.\n"),
596
--private-key=FILE private key file.\n"),
598
--private-key-type=TYPE private key type, PEM or DER.\n"),
600
--ca-certificate=FILE file with the bundle of CA's.\n"),
602
--ca-directory=DIR directory where hash list of CA's is stored.\n"),
604
--random-file=FILE file with random data for seeding the SSL PRNG.\n"),
606
--egd-file=FILE file naming the EGD socket with random data.\n"),
608
#endif /* HAVE_SSL */
614
--ftp-stmlf Use Stream_LF format for all binary FTP files.\n"),
615
#endif /* def __VMS */
617
--ftp-user=USER set ftp user to USER.\n"),
619
--ftp-password=PASS set ftp password to PASS.\n"),
621
--no-remove-listing don't remove `.listing' files.\n"),
623
--no-glob turn off FTP file name globbing.\n"),
625
--no-passive-ftp disable the \"passive\" transfer mode.\n"),
627
--retr-symlinks when recursing, get linked-to files (not dir).\n"),
631
Recursive download:\n"),
633
-r, --recursive specify recursive download.\n"),
635
-l, --level=NUMBER maximum recursion depth (inf or 0 for infinite).\n"),
637
--delete-after delete files locally after downloading them.\n"),
639
-k, --convert-links make links in downloaded HTML or CSS point to\n\
643
-K, --backup-converted before converting file X, back up as X_orig.\n"),
644
#else /* def __VMS */
646
-K, --backup-converted before converting file X, back up as X.orig.\n"),
647
#endif /* def __VMS [else] */
649
-m, --mirror shortcut for -N -r -l inf --no-remove-listing.\n"),
651
-p, --page-requisites get all images, etc. needed to display HTML page.\n"),
653
--strict-comments turn on strict (SGML) handling of HTML comments.\n"),
657
Recursive accept/reject:\n"),
659
-A, --accept=LIST comma-separated list of accepted extensions.\n"),
661
-R, --reject=LIST comma-separated list of rejected extensions.\n"),
663
-D, --domains=LIST comma-separated list of accepted domains.\n"),
665
--exclude-domains=LIST comma-separated list of rejected domains.\n"),
667
--follow-ftp follow FTP links from HTML documents.\n"),
669
--follow-tags=LIST comma-separated list of followed HTML tags.\n"),
671
--ignore-tags=LIST comma-separated list of ignored HTML tags.\n"),
673
-H, --span-hosts go to foreign hosts when recursive.\n"),
675
-L, --relative follow relative links only.\n"),
677
-I, --include-directories=LIST list of allowed directories.\n"),
679
--trust-server-names use the name specified by the redirection url last component.\n"),
681
-X, --exclude-directories=LIST list of excluded directories.\n"),
683
-np, --no-parent don't ascend to the parent directory.\n"),
686
N_("Mail bug reports and suggestions to <bug-wget@gnu.org>.\n")
691
printf (_("GNU Wget %s, a non-interactive network retriever.\n"),
695
for (i = 0; i < countof (help); i++)
696
fputs (_(help[i]), stdout);
701
/* Return a human-readable printed representation of INTERVAL,
702
measured in seconds. */
705
secs_to_human_time (double interval)
708
int secs = (int) (interval + 0.5);
709
int hours, mins, days;
711
days = secs / 86400, secs %= 86400;
712
hours = secs / 3600, secs %= 3600;
713
mins = secs / 60, secs %= 60;
716
sprintf (buf, "%dd %dh %dm %ds", days, hours, mins, secs);
718
sprintf (buf, "%dh %dm %ds", hours, mins, secs);
720
sprintf (buf, "%dm %ds", mins, secs);
722
sprintf (buf, "%ss", print_decimal (interval));
728
prompt_for_password (void)
731
printf (_("Password for user %s: "), quote (opt.user));
733
printf (_("Password: "));
737
/* Function that prints the line argument while limiting it
738
to at most line_length. prefix is printed on the first line
739
and an appropriate number of spaces are added on subsequent
742
format_and_print_line (const char *prefix, const char *line,
746
char *line_dup, *token;
748
assert (prefix != NULL);
749
assert (line != NULL);
751
line_dup = xstrdup (line);
753
if (line_length <= 0)
754
line_length = MAX_CHARS_PER_LINE - TABULATION;
756
printf ("%s", prefix);
757
remaining_chars = line_length;
758
/* We break on spaces. */
759
token = strtok (line_dup, " ");
760
while (token != NULL)
762
/* If however a token is much larger than the maximum
763
line length, all bets are off and we simply print the
764
token on the next line. */
765
if (remaining_chars <= strlen (token))
767
printf ("\n%*c", TABULATION, ' ');
768
remaining_chars = line_length - TABULATION;
770
printf ("%s ", token);
771
remaining_chars -= strlen (token) + 1; /* account for " " */
772
token = strtok (NULL, " ");
783
const char *wgetrc_title = _("Wgetrc: ");
784
const char *locale_title = _("Locale: ");
785
const char *compile_title = _("Compile: ");
786
const char *link_title = _("Link: ");
788
char *env_wgetrc, *user_wgetrc;
792
printf (_("GNU Wget %s built on VMS %s %s.\n\n"),
793
version_string, vms_arch(), vms_vers());
794
#else /* def __VMS */
795
printf (_("GNU Wget %s built on %s.\n\n"), version_string, OS_TYPE);
796
#endif /* def __VMS */
797
/* compiled_features is a char*[]. We limit the characters per
798
line to MAX_CHARS_PER_LINE and prefix each line with a constant
799
number of spaces for proper alignment. */
800
for (i = 0; compiled_features[i] != NULL; )
802
int line_length = MAX_CHARS_PER_LINE;
803
while ((line_length > 0) && (compiled_features[i] != NULL))
805
printf ("%s ", compiled_features[i]);
806
line_length -= strlen (compiled_features[i]) + 2;
812
/* Handle the case when $WGETRC is unset and $HOME/.wgetrc is
814
printf ("%s\n", wgetrc_title);
815
env_wgetrc = wgetrc_env_file_name ();
816
if (env_wgetrc && *env_wgetrc)
818
printf (_(" %s (env)\n"), env_wgetrc);
821
user_wgetrc = wgetrc_user_file_name ();
824
printf (_(" %s (user)\n"), user_wgetrc);
828
printf (_(" %s (system)\n"), SYSTEM_WGETRC);
832
format_and_print_line (locale_title,
835
#endif /* def ENABLE_NLS */
837
format_and_print_line (compile_title,
841
format_and_print_line (link_title,
846
/* TRANSLATORS: When available, an actual copyright character
847
(cirle-c) should be used in preference to "(C)". */
849
Copyright (C) 2009 Free Software Foundation, Inc.\n"), stdout);
851
License GPLv3+: GNU GPL version 3 or later\n\
852
<http://www.gnu.org/licenses/gpl.html>.\n\
853
This is free software: you are free to change and redistribute it.\n\
854
There is NO WARRANTY, to the extent permitted by law.\n"), stdout);
855
/* TRANSLATORS: When available, please use the proper diacritics for
856
names such as this one. See en_US.po for reference. */
857
fputs (_("\nOriginally written by Hrvoje Niksic <hniksic@xemacs.org>.\n"),
859
fputs (_("Currently maintained by Micah Cowan <micah@cowan.name>.\n"),
861
fputs (_("Please send bug reports and questions to <bug-wget@gnu.org>.\n"),
866
char *program_name; /* Needed by lib/error.c. */
869
main (int argc, char **argv)
872
int i, ret, longindex;
874
bool append_to_log = false;
876
program_name = argv[0];
880
/* Construct the name of the executable, without the directory part. */
881
exec_name = strrchr (argv[0], PATH_SEPARATOR);
888
/* Drop extension (typically .EXE) from executable filename. */
889
windows_main ((char **) &exec_name);
892
/* Set option defaults; read the system wgetrc and ~/.wgetrc. */
897
while ((ret = getopt_long (argc, argv,
898
short_options, long_options, &longindex)) != -1)
901
struct cmdline_option *opt;
903
/* If LONGINDEX is unchanged, it means RET is referring a short
911
printf (_("Try `%s --help' for more options.\n"), exec_name);
914
/* Find the short option character in the mapping. */
915
longindex = optmap[ret - 32];
917
val = long_options[longindex].val;
919
/* Use the retrieved value to locate the option in the
920
option_data array, and to see if we're dealing with the
921
negated "--no-FOO" variant of the boolean option "--foo". */
922
opt = &option_data[val & ~BOOLEAN_NEG_MARKER];
926
setoptval (opt->data, optarg, opt->long_name);
930
/* The user has specified a value -- use it. */
931
setoptval (opt->data, optarg, opt->long_name);
934
/* NEG is true for `--no-FOO' style boolean options. */
935
bool neg = !!(val & BOOLEAN_NEG_MARKER);
936
setoptval (opt->data, neg ? "0" : "1", opt->long_name);
941
void (*func) (void) = (void (*) (void)) opt->data;
945
case OPT__APPEND_OUTPUT:
946
setoptval ("logfile", optarg, opt->long_name);
947
append_to_log = true;
950
run_command (optarg);
954
/* We support real --no-FOO flags now, but keep these
955
short options for convenience and backward
958
for (p = optarg; *p; p++)
962
setoptval ("verbose", "0", opt->long_name);
965
setoptval ("addhostdir", "0", opt->long_name);
968
setoptval ("dirstruct", "0", opt->long_name);
971
setoptval ("noclobber", "1", opt->long_name);
974
setoptval ("noparent", "1", opt->long_name);
977
printf (_("%s: illegal option -- `-n%c'\n"), exec_name, *p);
980
printf (_("Try `%s --help' for more options.\n"), exec_name);
988
/* The wgetrc commands are named noparent and noclobber,
989
so we must revert the meaning of the cmdline options
990
before passing the value to setoptval. */
993
flag = (*optarg == '1' || c_tolower (*optarg) == 'y'
994
|| (c_tolower (optarg[0]) == 'o'
995
&& c_tolower (optarg[1]) == 'n'));
996
setoptval (opt->type == OPT__PARENT ? "noparent" : "noclobber",
997
flag ? "0" : "1", opt->long_name);
1000
case OPT__DONT_REMOVE_LISTING:
1001
setoptval ("removelisting", "0", opt->long_name);
1008
nurl = argc - optind;
1010
/* All user options have now been processed, so it's now safe to do
1011
interoption dependency checks. */
1013
if (opt.reclevel == 0)
1014
opt.reclevel = INFINITE_RECURSION; /* see recur.h for commentary */
1016
if (opt.spider || opt.delete_after)
1017
opt.no_dirstruct = true;
1019
if (opt.page_requisites && !opt.recursive)
1021
/* Don't set opt.recursive here because it would confuse the FTP
1022
code. Instead, call retrieve_tree below when either
1023
page_requisites or recursive is requested. */
1025
if (!opt.no_dirstruct)
1026
opt.dirstruct = 1; /* normally handled by cmd_spec_recursive() */
1029
if (opt.verbose == -1)
1030
opt.verbose = !opt.quiet;
1032
/* Sanity checks. */
1033
if (opt.verbose && opt.quiet)
1035
printf (_("Can't be verbose and quiet at the same time.\n"));
1039
if (opt.timestamping && opt.noclobber)
1042
Can't timestamp and not clobber old files at the same time.\n"));
1047
if (opt.ipv4_only && opt.ipv6_only)
1049
printf (_("Cannot specify both --inet4-only and --inet6-only.\n"));
1054
if (opt.output_document)
1056
if (opt.convert_links
1057
&& (nurl > 1 || opt.page_requisites || opt.recursive))
1060
Cannot specify both -k and -O if multiple URLs are given, or in combination\n\
1061
with -p or -r. See the manual for details.\n\n"), stdout);
1065
if (opt.page_requisites
1068
logprintf (LOG_NOTQUIET, "%s", _("\
1069
WARNING: combining -O with -r or -p will mean that all downloaded content\n\
1070
will be placed in the single file you specified.\n\n"));
1072
if (opt.timestamping)
1074
logprintf (LOG_NOTQUIET, "%s", _("\
1075
WARNING: timestamping does nothing in combination with -O. See the manual\n\
1076
for details.\n\n"));
1077
opt.timestamping = false;
1079
if (opt.noclobber && file_exists_p(opt.output_document))
1081
/* Check if output file exists; if it does, exit. */
1082
logprintf (LOG_VERBOSE, _("File `%s' already there; not retrieving.\n"), opt.output_document);
1087
if (opt.ask_passwd && opt.passwd)
1089
printf (_("Cannot specify both --ask-password and --password.\n"));
1094
if (!nurl && !opt.input_filename)
1096
/* No URL specified. */
1097
printf (_("%s: missing URL\n"), exec_name);
1100
/* #### Something nicer should be printed here -- similar to the
1101
pre-1.5 `--help' page. */
1102
printf (_("Try `%s --help' for more options.\n"), exec_name);
1109
if (opt.locale && !check_encoding_name (opt.locale))
1113
opt.locale = find_locale ();
1115
if (opt.encoding_remote && !check_encoding_name (opt.encoding_remote))
1116
opt.encoding_remote = NULL;
1119
if (opt.enable_iri || opt.locale || opt.encoding_remote)
1121
/* sXXXav : be more specific... */
1122
printf(_("This version does not have support for IRIs\n"));
1129
opt.passwd = prompt_for_password ();
1131
if (opt.passwd == NULL || opt.passwd[0] == '\0')
1141
fork_to_background ();
1144
/* Initialize progress. Have to do this after the options are
1145
processed so we know where the log file is. */
1147
set_progress_implementation (opt.progress_type);
1149
/* Fill in the arguments. */
1150
url = alloca_array (char *, nurl + 1);
1151
for (i = 0; i < nurl; i++, optind++)
1153
char *rewritten = rewrite_shorthand_url (argv[optind]);
1157
url[i] = xstrdup (argv[optind]);
1161
/* Initialize logging. */
1162
log_init (opt.lfilename, append_to_log);
1164
DEBUGP (("DEBUG output created by Wget %s on %s.\n\n",
1165
version_string, OS_TYPE));
1167
/* Open the output filename if necessary. */
1170
Note that having the output_stream ("-O") file opened here for an FTP
1171
URL rather than in getftp() (ftp.c) (and the http equivalent) rather
1172
limits the ability in VMS to open the file differently for ASCII
1173
versus binary FTP there. (Of course, doing it here allows a open
1174
failure to be detected immediately, without first connecting to the
1177
if (opt.output_document)
1179
if (HYPHENP (opt.output_document))
1183
result = freopen ("CONOUT$", "wb", stdout);
1186
logputs (LOG_NOTQUIET, _("\
1187
WARNING: Can't reopen standard output in binary mode;\n\
1188
downloaded file may contain inappropriate line endings.\n"));
1191
output_stream = stdout;
1198
/* Common fopen() optional arguments:
1199
sequential access only, access callback function.
1201
# define FOPEN_OPT_ARGS , "fop=sqo", "acc", acc_cb, &open_id
1203
#else /* def __VMS */
1204
# define FOPEN_OPT_ARGS
1205
#endif /* def __VMS [else] */
1207
output_stream = fopen (opt.output_document,
1208
opt.always_rest ? "ab" : "wb"
1210
if (output_stream == NULL)
1212
perror (opt.output_document);
1215
if (fstat (fileno (output_stream), &st) == 0 && S_ISREG (st.st_mode))
1216
output_stream_regular = true;
1221
/* Set global ODS5 flag according to the specified destination (if
1222
any), otherwise according to the current default device.
1224
if (output_stream == NULL)
1226
set_ods5_dest( "SYS$DISK");
1228
else if (output_stream != stdout)
1230
set_ods5_dest( opt.output_document);
1232
#endif /* def __VMS */
1239
/* Setup the signal handler to redirect output when hangup is
1241
if (signal(SIGHUP, SIG_IGN) != SIG_IGN)
1242
signal(SIGHUP, redirect_output_signal);
1244
/* ...and do the same for SIGUSR1. */
1246
signal (SIGUSR1, redirect_output_signal);
1249
/* Writing to a closed socket normally signals SIGPIPE, and the
1250
process exits. What we want is to ignore SIGPIPE and just check
1251
for the return value of write(). */
1252
signal (SIGPIPE, SIG_IGN);
1255
signal (SIGWINCH, progress_handle_sigwinch);
1258
status = RETROK; /* initialize it, just-in-case */
1259
/* Retrieve the URLs from argument list. */
1260
for (t = url; *t; t++)
1262
char *filename = NULL, *redirected_URL = NULL;
1264
/* Need to do a new struct iri every time, because
1265
* retrieve_url may modify it in some circumstances,
1267
struct iri *iri = iri_new ();
1268
struct url *url_parsed;
1270
set_uri_encoding (iri, opt.locale, true);
1271
url_parsed = url_parse (*t, &url_err, iri, true);
1275
char *error = url_error (*t, url_err);
1276
logprintf (LOG_NOTQUIET, "%s: %s.\n",*t, error);
1282
if ((opt.recursive || opt.page_requisites)
1283
&& (url_scheme (*t) != SCHEME_FTP || url_uses_proxy (url_parsed)))
1285
int old_follow_ftp = opt.follow_ftp;
1287
/* Turn opt.follow_ftp on in case of recursive FTP retrieval */
1288
if (url_scheme (*t) == SCHEME_FTP)
1291
status = retrieve_tree (url_parsed, NULL);
1293
opt.follow_ftp = old_follow_ftp;
1297
status = retrieve_url (url_parsed, *t, &filename, &redirected_URL,
1298
NULL, &dt, opt.recursive, iri, true);
1301
if (opt.delete_after && file_exists_p(filename))
1303
DEBUGP (("Removing file due to --delete-after in main():\n"));
1304
logprintf (LOG_VERBOSE, _("Removing %s.\n"), filename);
1305
if (unlink (filename))
1306
logprintf (LOG_NOTQUIET, "unlink: %s\n", strerror (errno));
1308
xfree_null (redirected_URL);
1309
xfree_null (filename);
1310
url_free (url_parsed);
1315
/* And then from the input file, if any. */
1316
if (opt.input_filename)
1319
status = retrieve_from_file (opt.input_filename, opt.force_html, &count);
1321
logprintf (LOG_NOTQUIET, _("No URLs found in %s.\n"),
1322
opt.input_filename);
1325
/* Print broken links. */
1326
if (opt.recursive && opt.spider)
1328
print_broken_links();
1331
/* Print the downloaded sum. */
1332
if ((opt.recursive || opt.page_requisites
1334
|| (opt.input_filename && total_downloaded_bytes != 0))
1336
total_downloaded_bytes != 0)
1338
logprintf (LOG_NOTQUIET,
1339
_("FINISHED --%s--\nDownloaded: %d files, %s in %s (%s)\n"),
1340
datetime_str (time (NULL)),
1342
human_readable (total_downloaded_bytes),
1343
secs_to_human_time (total_download_time),
1344
retr_rate (total_downloaded_bytes, total_download_time));
1345
/* Print quota warning, if exceeded. */
1346
if (opt.quota && total_downloaded_bytes > opt.quota)
1347
logprintf (LOG_NOTQUIET,
1348
_("Download quota of %s EXCEEDED!\n"),
1349
human_readable (opt.quota));
1352
if (opt.cookies_output)
1355
if (opt.convert_links && !opt.delete_after)
1356
convert_all_links ();
1359
for (i = 0; i < nurl; i++)
1363
return get_exit_status ();
1365
#endif /* TESTING */
1367
#if defined(SIGHUP) || defined(SIGUSR1)
1369
/* So the signal_name check doesn't blow when only one is available. */
1377
/* Hangup signal handler. When wget receives SIGHUP or SIGUSR1, it
1378
will proceed operation as usual, trying to write into a log file.
1379
If that is impossible, the output will be turned off. */
1382
redirect_output_signal (int sig)
1384
const char *signal_name = (sig == SIGHUP ? "SIGHUP" :
1385
(sig == SIGUSR1 ? "SIGUSR1" :
1387
log_request_redirect_output (signal_name);
1388
progress_schedule_redirect ();
1389
signal (sig, redirect_output_signal);