1
/* Reading/parsing the initialization file.
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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
23
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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#include "recur.h" /* for INFINITE_RECURSION */
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#include "convert.h" /* for convert_cleanup */
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#include "res.h" /* for res_cleanup */
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#include "http.h" /* for http_cleanup */
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#include "retr.h" /* for output_stream */
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#define CMD_DECLARE(func) static bool func (const char *, const char *, void *)
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CMD_DECLARE (cmd_boolean);
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CMD_DECLARE (cmd_bytes);
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CMD_DECLARE (cmd_bytes_sum);
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CMD_DECLARE (cmd_cert_type);
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CMD_DECLARE (cmd_directory_vector);
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CMD_DECLARE (cmd_number);
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CMD_DECLARE (cmd_number_inf);
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CMD_DECLARE (cmd_string);
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CMD_DECLARE (cmd_file);
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CMD_DECLARE (cmd_directory);
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CMD_DECLARE (cmd_time);
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CMD_DECLARE (cmd_vector);
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CMD_DECLARE (cmd_spec_dirstruct);
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CMD_DECLARE (cmd_spec_header);
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CMD_DECLARE (cmd_spec_htmlify);
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CMD_DECLARE (cmd_spec_mirror);
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CMD_DECLARE (cmd_spec_prefer_family);
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CMD_DECLARE (cmd_spec_progress);
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CMD_DECLARE (cmd_spec_recursive);
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CMD_DECLARE (cmd_spec_restrict_file_names);
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CMD_DECLARE (cmd_spec_secure_protocol);
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CMD_DECLARE (cmd_spec_timeout);
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CMD_DECLARE (cmd_spec_useragent);
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CMD_DECLARE (cmd_spec_verbose);
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/* List of recognized commands, each consisting of name, place and
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function. When adding a new command, simply add it to the list,
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but be sure to keep the list sorted alphabetically, as
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command_by_name's binary search depends on it. Also, be sure to
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add any entries that allocate memory (e.g. cmd_string and
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cmd_vector) to the cleanup() function below. */
102
static const struct {
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bool (*action) (const char *, const char *, void *);
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/* KEEP THIS LIST ALPHABETICALLY SORTED */
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{ "accept", &opt.accepts, cmd_vector },
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{ "addhostdir", &opt.add_hostdir, cmd_boolean },
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{ "adjustextension", &opt.adjust_extension, cmd_boolean },
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{ "alwaysrest", &opt.always_rest, cmd_boolean }, /* deprecated */
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{ "askpassword", &opt.ask_passwd, cmd_boolean },
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{ "authnochallenge", &opt.auth_without_challenge,
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{ "background", &opt.background, cmd_boolean },
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{ "backupconverted", &opt.backup_converted, cmd_boolean },
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{ "backups", &opt.backups, cmd_number },
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{ "base", &opt.base_href, cmd_string },
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{ "bindaddress", &opt.bind_address, cmd_string },
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{ "cacertificate", &opt.ca_cert, cmd_file },
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{ "cache", &opt.allow_cache, cmd_boolean },
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{ "cadirectory", &opt.ca_directory, cmd_directory },
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{ "certificate", &opt.cert_file, cmd_file },
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{ "certificatetype", &opt.cert_type, cmd_cert_type },
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{ "checkcertificate", &opt.check_cert, cmd_boolean },
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{ "connecttimeout", &opt.connect_timeout, cmd_time },
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{ "contentdisposition", &opt.content_disposition, cmd_boolean },
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{ "continue", &opt.always_rest, cmd_boolean },
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{ "convertlinks", &opt.convert_links, cmd_boolean },
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{ "cookies", &opt.cookies, cmd_boolean },
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{ "cutdirs", &opt.cut_dirs, cmd_number },
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{ "debug", &opt.debug, cmd_boolean },
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{ "defaultpage", &opt.default_page, cmd_string},
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{ "deleteafter", &opt.delete_after, cmd_boolean },
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{ "dirprefix", &opt.dir_prefix, cmd_directory },
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{ "dirstruct", NULL, cmd_spec_dirstruct },
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{ "dnscache", &opt.dns_cache, cmd_boolean },
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{ "dnstimeout", &opt.dns_timeout, cmd_time },
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{ "domains", &opt.domains, cmd_vector },
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{ "dotbytes", &opt.dot_bytes, cmd_bytes },
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{ "dotsinline", &opt.dots_in_line, cmd_number },
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{ "dotspacing", &opt.dot_spacing, cmd_number },
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{ "dotstyle", &opt.dot_style, cmd_string }, /* deprecated */
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{ "egdfile", &opt.egd_file, cmd_file },
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{ "excludedirectories", &opt.excludes, cmd_directory_vector },
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{ "excludedomains", &opt.exclude_domains, cmd_vector },
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{ "followftp", &opt.follow_ftp, cmd_boolean },
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{ "followtags", &opt.follow_tags, cmd_vector },
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{ "forcehtml", &opt.force_html, cmd_boolean },
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{ "ftppasswd", &opt.ftp_passwd, cmd_string }, /* deprecated */
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{ "ftppassword", &opt.ftp_passwd, cmd_string },
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{ "ftpproxy", &opt.ftp_proxy, cmd_string },
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{ "ftpstmlf", &opt.ftp_stmlf, cmd_boolean },
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#endif /* def __VMS */
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{ "ftpuser", &opt.ftp_user, cmd_string },
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{ "glob", &opt.ftp_glob, cmd_boolean },
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{ "header", NULL, cmd_spec_header },
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{ "htmlextension", &opt.adjust_extension, cmd_boolean }, /* deprecated */
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{ "htmlify", NULL, cmd_spec_htmlify },
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{ "httpkeepalive", &opt.http_keep_alive, cmd_boolean },
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{ "httppasswd", &opt.http_passwd, cmd_string }, /* deprecated */
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{ "httppassword", &opt.http_passwd, cmd_string },
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{ "httpproxy", &opt.http_proxy, cmd_string },
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{ "httpsproxy", &opt.https_proxy, cmd_string },
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{ "httpuser", &opt.http_user, cmd_string },
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{ "ignorecase", &opt.ignore_case, cmd_boolean },
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{ "ignorelength", &opt.ignore_length, cmd_boolean },
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{ "ignoretags", &opt.ignore_tags, cmd_vector },
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{ "includedirectories", &opt.includes, cmd_directory_vector },
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{ "inet4only", &opt.ipv4_only, cmd_boolean },
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{ "inet6only", &opt.ipv6_only, cmd_boolean },
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{ "input", &opt.input_filename, cmd_file },
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{ "iri", &opt.enable_iri, cmd_boolean },
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{ "keepsessioncookies", &opt.keep_session_cookies, cmd_boolean },
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{ "limitrate", &opt.limit_rate, cmd_bytes },
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{ "loadcookies", &opt.cookies_input, cmd_file },
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{ "localencoding", &opt.locale, cmd_string },
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{ "logfile", &opt.lfilename, cmd_file },
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{ "login", &opt.ftp_user, cmd_string },/* deprecated*/
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{ "maxredirect", &opt.max_redirect, cmd_number },
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{ "mirror", NULL, cmd_spec_mirror },
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{ "netrc", &opt.netrc, cmd_boolean },
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{ "noclobber", &opt.noclobber, cmd_boolean },
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{ "noparent", &opt.no_parent, cmd_boolean },
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{ "noproxy", &opt.no_proxy, cmd_vector },
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{ "numtries", &opt.ntry, cmd_number_inf },/* deprecated*/
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{ "outputdocument", &opt.output_document, cmd_file },
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{ "pagerequisites", &opt.page_requisites, cmd_boolean },
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{ "passiveftp", &opt.ftp_pasv, cmd_boolean },
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{ "passwd", &opt.ftp_passwd, cmd_string },/* deprecated*/
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{ "password", &opt.passwd, cmd_string },
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{ "postdata", &opt.post_data, cmd_string },
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{ "postfile", &opt.post_file_name, cmd_file },
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{ "preferfamily", NULL, cmd_spec_prefer_family },
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{ "preservepermissions", &opt.preserve_perm, cmd_boolean },/* deprecated */
208
{ "privatekey", &opt.private_key, cmd_file },
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{ "privatekeytype", &opt.private_key_type, cmd_cert_type },
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{ "progress", &opt.progress_type, cmd_spec_progress },
212
{ "protocoldirectories", &opt.protocol_directories, cmd_boolean },
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{ "proxypasswd", &opt.proxy_passwd, cmd_string }, /* deprecated */
214
{ "proxypassword", &opt.proxy_passwd, cmd_string },
215
{ "proxyuser", &opt.proxy_user, cmd_string },
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{ "quiet", &opt.quiet, cmd_boolean },
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{ "quota", &opt.quota, cmd_bytes_sum },
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{ "randomfile", &opt.random_file, cmd_file },
221
{ "randomwait", &opt.random_wait, cmd_boolean },
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{ "readtimeout", &opt.read_timeout, cmd_time },
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{ "reclevel", &opt.reclevel, cmd_number_inf },
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{ "recursive", NULL, cmd_spec_recursive },
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{ "referer", &opt.referer, cmd_string },
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{ "reject", &opt.rejects, cmd_vector },
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{ "relativeonly", &opt.relative_only, cmd_boolean },
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{ "remoteencoding", &opt.encoding_remote, cmd_string },
229
{ "removelisting", &opt.remove_listing, cmd_boolean },
230
{ "restrictfilenames", NULL, cmd_spec_restrict_file_names },
231
{ "retrsymlinks", &opt.retr_symlinks, cmd_boolean },
232
{ "retryconnrefused", &opt.retry_connrefused, cmd_boolean },
233
{ "robots", &opt.use_robots, cmd_boolean },
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{ "savecookies", &opt.cookies_output, cmd_file },
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{ "saveheaders", &opt.save_headers, cmd_boolean },
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{ "secureprotocol", &opt.secure_protocol, cmd_spec_secure_protocol },
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{ "serverresponse", &opt.server_response, cmd_boolean },
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{ "spanhosts", &opt.spanhost, cmd_boolean },
241
{ "spider", &opt.spider, cmd_boolean },
242
{ "strictcomments", &opt.strict_comments, cmd_boolean },
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{ "timeout", NULL, cmd_spec_timeout },
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{ "timestamping", &opt.timestamping, cmd_boolean },
245
{ "tries", &opt.ntry, cmd_number_inf },
246
{ "useproxy", &opt.use_proxy, cmd_boolean },
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{ "user", &opt.user, cmd_string },
248
{ "useragent", NULL, cmd_spec_useragent },
249
{ "verbose", NULL, cmd_spec_verbose },
250
{ "wait", &opt.wait, cmd_time },
251
{ "waitretry", &opt.waitretry, cmd_time },
253
{ "wdebug", &opt.wdebug, cmd_boolean },
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/* Look up CMDNAME in the commands[] and return its position in the
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array. If CMDNAME is not found, return -1. */
261
command_by_name (const char *cmdname)
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/* Use binary search for speed. Wget has ~100 commands, which
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guarantees a worst case performance of 7 string comparisons. */
265
int lo = 0, hi = countof (commands) - 1;
269
int mid = (lo + hi) >> 1;
270
int cmp = strcasecmp (cmdname, commands[mid].name);
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/* Reset the variables to default values. */
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/* Most of the default values are 0 (and 0.0, NULL, and false).
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Just reset everything, and fill in the non-zero values. Note
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that initializing pointers to NULL this way is technically
290
illegal, but porting Wget to a machine where NULL is not all-zero
291
bit pattern will be the least of the implementors' worries. */
298
opt.add_hostdir = true;
302
opt.http_keep_alive = true;
303
opt.use_proxy = true;
304
tmp = getenv ("no_proxy");
306
opt.no_proxy = sepstring (tmp);
307
opt.prefer_family = prefer_none;
308
opt.allow_cache = true;
310
opt.read_timeout = 900;
311
opt.use_robots = true;
313
opt.remove_listing = true;
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opt.dot_bytes = 1024;
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opt.dot_spacing = 10;
317
opt.dots_in_line = 50;
319
opt.dns_cache = true;
323
opt.check_cert = true;
326
/* The default for file name restriction defaults to the OS type. */
327
#if defined(WINDOWS) || defined(MSDOS) || defined(__CYGWIN__)
328
opt.restrict_files_os = restrict_windows;
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opt.restrict_files_os = restrict_unix;
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opt.restrict_files_ctrl = true;
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opt.restrict_files_nonascii = false;
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opt.restrict_files_case = restrict_no_case_restriction;
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opt.max_redirect = 20;
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opt.enable_iri = true;
343
opt.enable_iri = false;
346
opt.encoding_remote = NULL;
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/* Return the user's home directory (strdup-ed), or NULL if none is
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static char buf[PATH_MAX];
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home = getenv ("HOME");
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/* Under MSDOS, if $HOME isn't defined, use the directory where
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`wget.exe' resides. */
365
const char *_w32_get_argv0 (void); /* in libwatt.a/pcconfig.c */
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strcpy (buf, _w32_get_argv0 ());
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p = strrchr (buf, '/'); /* djgpp */
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p = strrchr (buf, '\\'); /* others */
375
#elif !defined(WINDOWS)
376
/* If HOME is not defined, try getting it from the password
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struct passwd *pwd = getpwuid (getuid ());
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if (!pwd || !pwd->pw_dir)
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strcpy (buf, pwd->pw_dir);
384
/* Under Windows, if $HOME isn't defined, use the directory where
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`wget.exe' resides. */
391
return home ? xstrdup (home) : NULL;
394
/* Check the 'WGETRC' environment variable and return the file name
395
if 'WGETRC' is set and is a valid file.
396
If the `WGETRC' variable exists but the file does not exist, the
397
function will exit(). */
399
wgetrc_env_file_name (void)
401
char *env = getenv ("WGETRC");
404
if (!file_exists_p (env))
406
fprintf (stderr, _("%s: WGETRC points to %s, which doesn't exist.\n"),
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return xstrdup (env);
415
/* Check for the existance of '$HOME/.wgetrc' and return it's path
416
if it exists and is set. */
418
wgetrc_user_file_name (void)
420
char *home = home_dir ();
422
/* If that failed, try $HOME/.wgetrc (or equivalent). */
425
file = "SYS$LOGIN:.wgetrc";
426
#else /* def __VMS */
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file = aprintf ("%s/.wgetrc", home);
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#endif /* def __VMS [else] */
435
if (!file_exists_p (file))
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/* Return the path to the user's .wgetrc. This is either the value of
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`WGETRC' environment variable, or `$HOME/.wgetrc'.
446
Additionally, for windows, look in the directory where wget.exe
449
wgetrc_file_name (void)
451
char *file = wgetrc_env_file_name ();
455
file = wgetrc_user_file_name ();
458
/* Under Windows, if we still haven't found .wgetrc, look for the file
459
`wget.ini' in the directory where `wget.exe' resides; we do this for
460
backward compatibility with previous versions of Wget.
461
SYSTEM_WGETRC should not be defined under WINDOWS. */
464
char *home = home_dir ();
470
file = aprintf ("%s/wget.ini", home);
471
if (!file_exists_p (file))
484
/* Return values of parse_line. */
492
static enum parse_line parse_line (const char *, char **, char **, int *);
493
static bool setval_internal (int, const char *, const char *);
494
static bool setval_internal_tilde (int, const char *, const char *);
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/* Initialize variables from a wgetrc file. Returns zero (failure) if
497
there were errors in the file. */
500
run_wgetrc (const char *file)
507
fp = fopen (file, "r");
510
fprintf (stderr, _("%s: Cannot read %s (%s).\n"), exec_name,
511
file, strerror (errno));
512
return true; /* not a fatal error */
515
while ((line = read_whole_line (fp)) != NULL)
517
char *com = NULL, *val = NULL;
520
/* Parse the line. */
521
switch (parse_line (line, &com, &val, &comind))
524
/* If everything is OK, set the value. */
525
if (!setval_internal_tilde (comind, com, val))
527
fprintf (stderr, _("%s: Error in %s at line %d.\n"),
528
exec_name, file, ln);
532
case line_syntax_error:
533
fprintf (stderr, _("%s: Syntax error in %s at line %d.\n"),
534
exec_name, file, ln);
537
case line_unknown_command:
538
fprintf (stderr, _("%s: Unknown command %s in %s at line %d.\n"),
539
exec_name, quote (com), file, ln);
557
/* Initialize the defaults and run the system wgetrc and user's own
562
char *file, *env_sysrc;
565
/* Load the hard-coded defaults. */
568
/* Run a non-standard system rc file when the according environment
569
variable has been set. For internal testing purposes only! */
570
env_sysrc = getenv ("SYSTEM_WGETRC");
571
if (env_sysrc && file_exists_p (env_sysrc))
572
ok &= run_wgetrc (env_sysrc);
573
/* Otherwise, if SYSTEM_WGETRC is defined, use it. */
575
else if (file_exists_p (SYSTEM_WGETRC))
576
ok &= run_wgetrc (SYSTEM_WGETRC);
578
/* Override it with your own, if one exists. */
579
file = wgetrc_file_name ();
582
/* #### We should canonicalize `file' and SYSTEM_WGETRC with
583
something like realpath() before comparing them with `strcmp' */
585
if (!strcmp (file, SYSTEM_WGETRC))
587
fprintf (stderr, _("\
588
%s: Warning: Both system and user wgetrc point to %s.\n"),
589
exec_name, quote (file));
593
ok &= run_wgetrc (file);
595
/* If there were errors processing either `.wgetrc', abort. */
603
/* Remove dashes and underscores from S, modifying S in the
609
char *t = s; /* t - tortoise */
610
char *h = s; /* h - hare */
612
if (*h == '_' || *h == '-')
619
/* Parse the line pointed by line, with the syntax:
620
<sp>* command <sp>* = <sp>* value <sp>*
621
Uses malloc to allocate space for command and value.
623
Returns one of line_ok, line_empty, line_syntax_error, or
624
line_unknown_command.
626
In case of line_ok, *COM and *VAL point to freshly allocated
627
strings, and *COMIND points to com's index. In case of error or
628
empty line, their values are unmodified. */
630
static enum parse_line
631
parse_line (const char *line, char **com, char **val, int *comind)
634
const char *end = line + strlen (line);
635
const char *cmdstart, *cmdend;
636
const char *valstart, *valend;
641
/* Skip leading and trailing whitespace. */
642
while (*line && c_isspace (*line))
644
while (end > line && c_isspace (end[-1]))
647
/* Skip empty lines and comments. */
648
if (!*line || *line == '#')
654
while (p < end && (c_isalnum (*p) || *p == '_' || *p == '-'))
658
/* Skip '=', as well as any space before or after it. */
659
while (p < end && c_isspace (*p))
661
if (p == end || *p != '=')
662
return line_syntax_error;
664
while (p < end && c_isspace (*p))
670
/* The syntax is valid (even though the command might not be). Fill
671
in the command name and value. */
672
*com = strdupdelim (cmdstart, cmdend);
673
*val = strdupdelim (valstart, valend);
675
/* The line now known to be syntactically correct. Check whether
676
the command is valid. */
677
BOUNDED_TO_ALLOCA (cmdstart, cmdend, cmdcopy);
679
ind = command_by_name (cmdcopy);
681
return line_unknown_command;
683
/* Report success to the caller. */
688
#if defined(WINDOWS) || defined(MSDOS)
689
# define ISSEP(c) ((c) == '/' || (c) == '\\')
691
# define ISSEP(c) ((c) == '/')
694
/* Run commands[comind].action. */
697
setval_internal (int comind, const char *com, const char *val)
699
assert (0 <= comind && ((size_t) comind) < countof (commands));
700
DEBUGP (("Setting %s (%s) to %s\n", com, commands[comind].name, val));
701
return commands[comind].action (com, val, commands[comind].place);
705
setval_internal_tilde (int comind, const char *com, const char *val)
711
ret = setval_internal (comind, com, val);
713
/* We make tilde expansion for cmd_file and cmd_directory */
714
if (((commands[comind].action == cmd_file) ||
715
(commands[comind].action == cmd_directory))
716
&& ret && (*val == '~' && ISSEP (val[1])))
718
pstring = commands[comind].place;
722
homelen = strlen (home);
723
while (homelen && ISSEP (home[homelen - 1]))
724
home[--homelen] = '\0';
726
/* Skip the leading "~/". */
727
for (++val; ISSEP (*val); val++)
729
*pstring = concat_strings (home, "/", val, (char *)0);
735
/* Run command COM with value VAL. If running the command produces an
736
error, report the error and exit.
738
This is intended to be called from main() to modify Wget's behavior
739
through command-line switches. Since COM is hard-coded in main(),
740
it is not canonicalized, and this aborts when COM is not found.
742
If COMIND's are exported to init.h, this function will be changed
743
to accept COMIND directly. */
746
setoptval (const char *com, const char *val, const char *optname)
748
/* Prepend "--" to OPTNAME. */
749
char *dd_optname = (char *) alloca (2 + strlen (optname) + 1);
752
strcpy (dd_optname + 2, optname);
754
assert (val != NULL);
755
if (!setval_internal (command_by_name (com), dd_optname, val))
759
/* Parse OPT into command and value and run it. For example,
760
run_command("foo=bar") is equivalent to setoptval("foo", "bar").
761
This is used by the `--execute' flag in main.c. */
764
run_command (const char *opt)
768
switch (parse_line (opt, &com, &val, &comind))
771
if (!setval_internal (comind, com, val))
777
fprintf (stderr, _("%s: Invalid --execute command %s\n"),
778
exec_name, quote (opt));
783
/* Generic helper functions, for use with `commands'. */
785
/* Forward declarations: */
790
static bool decode_string (const char *, const struct decode_item *, int, int *);
791
static bool simple_atoi (const char *, const char *, int *);
792
static bool simple_atof (const char *, const char *, double *);
794
#define CMP1(p, c0) (c_tolower((p)[0]) == (c0) && (p)[1] == '\0')
796
#define CMP2(p, c0, c1) (c_tolower((p)[0]) == (c0) \
797
&& c_tolower((p)[1]) == (c1) \
800
#define CMP3(p, c0, c1, c2) (c_tolower((p)[0]) == (c0) \
801
&& c_tolower((p)[1]) == (c1) \
802
&& c_tolower((p)[2]) == (c2) \
806
/* Store the boolean value from VAL to PLACE. COM is ignored,
807
except for error messages. */
809
cmd_boolean (const char *com, const char *val, void *place)
813
if (CMP2 (val, 'o', 'n') || CMP3 (val, 'y', 'e', 's') || CMP1 (val, '1'))
814
/* "on", "yes" and "1" mean true. */
816
else if (CMP3 (val, 'o', 'f', 'f') || CMP2 (val, 'n', 'o') || CMP1 (val, '0'))
817
/* "off", "no" and "0" mean false. */
822
_("%s: %s: Invalid boolean %s; use `on' or `off'.\n"),
823
exec_name, com, quote (val));
827
*(bool *) place = value;
831
/* Set the non-negative integer value from VAL to PLACE. With
832
incorrect specification, the number remains unchanged. */
834
cmd_number (const char *com, const char *val, void *place)
836
if (!simple_atoi (val, val + strlen (val), place)
837
|| *(int *) place < 0)
839
fprintf (stderr, _("%s: %s: Invalid number %s.\n"),
840
exec_name, com, quote (val));
846
/* Similar to cmd_number(), only accepts `inf' as a synonym for 0. */
848
cmd_number_inf (const char *com, const char *val, void *place)
850
if (!strcasecmp (val, "inf"))
855
return cmd_number (com, val, place);
858
/* Copy (strdup) the string at COM to a new location and place a
859
pointer to *PLACE. */
861
cmd_string (const char *com, const char *val, void *place)
863
char **pstring = (char **)place;
865
xfree_null (*pstring);
866
*pstring = xstrdup (val);
871
/* Like the above, but handles tilde-expansion when reading a user's
872
`.wgetrc'. In that case, and if VAL begins with `~', the tilde
873
gets expanded to the user's home directory. */
875
cmd_file (const char *com, const char *val, void *place)
877
char **pstring = (char **)place;
879
xfree_null (*pstring);
881
/* #### If VAL is empty, perhaps should set *PLACE to NULL. */
883
*pstring = xstrdup (val);
885
#if defined(WINDOWS) || defined(MSDOS)
886
/* Convert "\" to "/". */
889
for (s = *pstring; *s; s++)
897
/* Like cmd_file, but strips trailing '/' characters. */
899
cmd_directory (const char *com, const char *val, void *place)
903
/* Call cmd_file() for tilde expansion and separator
904
canonicalization (backslash -> slash under Windows). These
905
things should perhaps be in a separate function. */
906
if (!cmd_file (com, val, place))
911
while (t > s && *--t == '/')
917
/* Split VAL by space to a vector of values, and append those values
918
to vector pointed to by the PLACE argument. If VAL is empty, the
919
PLACE vector is cleared instead. */
922
cmd_vector (const char *com, const char *val, void *place)
924
char ***pvec = (char ***)place;
927
*pvec = merge_vecs (*pvec, sepstring (val));
937
cmd_directory_vector (const char *com, const char *val, void *place)
939
char ***pvec = (char ***)place;
943
/* Strip the trailing slashes from directories. */
946
seps = sepstring (val);
947
for (t = seps; t && *t; t++)
949
int len = strlen (*t);
950
/* Skip degenerate case of root directory. */
953
if ((*t)[len - 1] == '/')
954
(*t)[len - 1] = '\0';
957
*pvec = merge_vecs (*pvec, seps);
967
/* Engine for cmd_bytes and cmd_bytes_sum: converts a string such as
968
"100k" or "2.5G" to a floating point number. */
971
parse_bytes_helper (const char *val, double *result)
974
const char *end = val + strlen (val);
976
/* Check for "inf". */
977
if (0 == strcmp (val, "inf"))
983
/* Strip trailing whitespace. */
984
while (val < end && c_isspace (end[-1]))
989
switch (c_tolower (end[-1]))
992
--end, mult = 1024.0;
995
--end, mult = 1048576.0;
998
--end, mult = 1073741824.0;
1001
--end, mult = 1099511627776.0;
1004
/* Not a recognized suffix: assume it's a digit. (If not,
1005
simple_atof will raise an error.) */
1009
/* Skip leading and trailing whitespace. */
1010
while (val < end && c_isspace (*val))
1012
while (val < end && c_isspace (end[-1]))
1017
if (!simple_atof (val, end, &number) || number < 0)
1020
*result = number * mult;
1024
/* Parse VAL as a number and set its value to PLACE (which should
1027
By default, the value is assumed to be in bytes. If "K", "M", or
1028
"G" are appended, the value is multiplied with 1<<10, 1<<20, or
1029
1<<30, respectively. Floating point values are allowed and are
1030
cast to integer before use. The idea is to be able to use things
1031
like 1.5k instead of "1536".
1033
The string "inf" is returned as 0.
1035
In case of error, false is returned and memory pointed to by PLACE
1036
remains unmodified. */
1039
cmd_bytes (const char *com, const char *val, void *place)
1042
if (!parse_bytes_helper (val, &byte_value))
1044
fprintf (stderr, _("%s: %s: Invalid byte value %s\n"),
1045
exec_name, com, quote (val));
1048
*(wgint *)place = (wgint)byte_value;
1052
/* Like cmd_bytes, but PLACE is interpreted as a pointer to
1053
SIZE_SUM. It works by converting the string to double, therefore
1054
working with values up to 2^53-1 without loss of precision. This
1055
value (8192 TB) is large enough to serve for a while. */
1058
cmd_bytes_sum (const char *com, const char *val, void *place)
1061
if (!parse_bytes_helper (val, &byte_value))
1063
fprintf (stderr, _("%s: %s: Invalid byte value %s\n"),
1064
exec_name, com, quote (val));
1067
*(SUM_SIZE_INT *) place = (SUM_SIZE_INT) byte_value;
1071
/* Store the value of VAL to *OUT. The value is a time period, by
1072
default expressed in seconds, but also accepting suffixes "m", "h",
1073
"d", and "w" for minutes, hours, days, and weeks respectively. */
1076
cmd_time (const char *com, const char *val, void *place)
1078
double number, mult;
1079
const char *end = val + strlen (val);
1081
/* Strip trailing whitespace. */
1082
while (val < end && c_isspace (end[-1]))
1088
fprintf (stderr, _("%s: %s: Invalid time period %s\n"),
1089
exec_name, com, quote (val));
1093
switch (c_tolower (end[-1]))
1096
--end, mult = 1; /* seconds */
1099
--end, mult = 60; /* minutes */
1102
--end, mult = 3600; /* hours */
1105
--end, mult = 86400.0; /* days */
1108
--end, mult = 604800.0; /* weeks */
1111
/* Not a recognized suffix: assume it belongs to the number.
1112
(If not, simple_atof will raise an error.) */
1116
/* Skip leading and trailing whitespace. */
1117
while (val < end && c_isspace (*val))
1119
while (val < end && c_isspace (end[-1]))
1124
if (!simple_atof (val, end, &number))
1127
*(double *)place = number * mult;
1133
cmd_cert_type (const char *com, const char *val, void *place)
1135
static const struct decode_item choices[] = {
1136
{ "pem", keyfile_pem },
1137
{ "der", keyfile_asn1 },
1138
{ "asn1", keyfile_asn1 },
1140
int ok = decode_string (val, choices, countof (choices), place);
1142
fprintf (stderr, _("%s: %s: Invalid value %s.\n"), exec_name, com, quote (val));
1147
/* Specialized helper functions, used by `commands' to handle some
1148
options specially. */
1150
static bool check_user_specified_header (const char *);
1153
cmd_spec_dirstruct (const char *com, const char *val, void *place_ignored)
1155
if (!cmd_boolean (com, val, &opt.dirstruct))
1157
/* Since dirstruct behaviour is explicitly changed, no_dirstruct
1158
must be affected inversely. */
1160
opt.no_dirstruct = false;
1162
opt.no_dirstruct = true;
1167
cmd_spec_header (const char *com, const char *val, void *place_ignored)
1169
/* Empty value means reset the list of headers. */
1172
free_vec (opt.user_headers);
1173
opt.user_headers = NULL;
1177
if (!check_user_specified_header (val))
1179
fprintf (stderr, _("%s: %s: Invalid header %s.\n"),
1180
exec_name, com, quote (val));
1183
opt.user_headers = vec_append (opt.user_headers, val);
1188
cmd_spec_htmlify (const char *com, const char *val, void *place_ignored)
1190
int flag = cmd_boolean (com, val, &opt.htmlify);
1191
if (flag && !opt.htmlify)
1192
opt.remove_listing = false;
1196
/* Set the "mirror" mode. It means: recursive download, timestamping,
1197
no limit on max. recursion depth, and don't remove listings. */
1200
cmd_spec_mirror (const char *com, const char *val, void *place_ignored)
1204
if (!cmd_boolean (com, val, &mirror))
1208
opt.recursive = true;
1209
if (!opt.no_dirstruct)
1210
opt.dirstruct = true;
1211
opt.timestamping = true;
1212
opt.reclevel = INFINITE_RECURSION;
1213
opt.remove_listing = false;
1218
/* Validate --prefer-family and set the choice. Allowed values are
1219
"IPv4", "IPv6", and "none". */
1222
cmd_spec_prefer_family (const char *com, const char *val, void *place_ignored)
1224
static const struct decode_item choices[] = {
1225
{ "IPv4", prefer_ipv4 },
1226
{ "IPv6", prefer_ipv6 },
1227
{ "none", prefer_none },
1229
int prefer_family = prefer_none;
1230
int ok = decode_string (val, choices, countof (choices), &prefer_family);
1232
fprintf (stderr, _("%s: %s: Invalid value %s.\n"), exec_name, com, quote (val));
1233
opt.prefer_family = prefer_family;
1237
/* Set progress.type to VAL, but verify that it's a valid progress
1238
implementation before that. */
1241
cmd_spec_progress (const char *com, const char *val, void *place_ignored)
1243
if (!valid_progress_implementation_p (val))
1245
fprintf (stderr, _("%s: %s: Invalid progress type %s.\n"),
1246
exec_name, com, quote (val));
1249
xfree_null (opt.progress_type);
1251
/* Don't call set_progress_implementation here. It will be called
1252
in main() when it becomes clear what the log output is. */
1253
opt.progress_type = xstrdup (val);
1257
/* Set opt.recursive to VAL as with cmd_boolean. If opt.recursive is
1258
set to true, also set opt.dirstruct to true, unless opt.no_dirstruct
1262
cmd_spec_recursive (const char *com, const char *val, void *place_ignored)
1264
if (!cmd_boolean (com, val, &opt.recursive))
1268
if (opt.recursive && !opt.no_dirstruct)
1269
opt.dirstruct = true;
1275
cmd_spec_restrict_file_names (const char *com, const char *val, void *place_ignored)
1277
int restrict_os = opt.restrict_files_os;
1278
int restrict_ctrl = opt.restrict_files_ctrl;
1279
int restrict_case = opt.restrict_files_case;
1280
int restrict_nonascii = opt.restrict_files_nonascii;
1284
#define VAL_IS(string_literal) BOUNDED_EQUAL (val, end, string_literal)
1288
end = strchr (val, ',');
1290
end = val + strlen (val);
1292
if (VAL_IS ("unix"))
1293
restrict_os = restrict_unix;
1294
else if (VAL_IS ("windows"))
1295
restrict_os = restrict_windows;
1296
else if (VAL_IS ("lowercase"))
1297
restrict_case = restrict_lowercase;
1298
else if (VAL_IS ("uppercase"))
1299
restrict_case = restrict_uppercase;
1300
else if (VAL_IS ("nocontrol"))
1301
restrict_ctrl = false;
1302
else if (VAL_IS ("ascii"))
1303
restrict_nonascii = true;
1306
fprintf (stderr, _("\
1307
%s: %s: Invalid restriction %s,\n\
1308
use [unix|windows],[lowercase|uppercase],[nocontrol],[ascii].\n"),
1309
exec_name, com, quote (val));
1316
while (*val && *end);
1320
opt.restrict_files_os = restrict_os;
1321
opt.restrict_files_ctrl = restrict_ctrl;
1322
opt.restrict_files_case = restrict_case;
1323
opt.restrict_files_nonascii = restrict_nonascii;
1330
cmd_spec_secure_protocol (const char *com, const char *val, void *place)
1332
static const struct decode_item choices[] = {
1333
{ "auto", secure_protocol_auto },
1334
{ "sslv2", secure_protocol_sslv2 },
1335
{ "sslv3", secure_protocol_sslv3 },
1336
{ "tlsv1", secure_protocol_tlsv1 },
1338
int ok = decode_string (val, choices, countof (choices), place);
1340
fprintf (stderr, _("%s: %s: Invalid value %s.\n"), exec_name, com, quote (val));
1345
/* Set all three timeout values. */
1348
cmd_spec_timeout (const char *com, const char *val, void *place_ignored)
1351
if (!cmd_time (com, val, &value))
1353
opt.read_timeout = value;
1354
opt.connect_timeout = value;
1355
opt.dns_timeout = value;
1360
cmd_spec_useragent (const char *com, const char *val, void *place_ignored)
1362
/* Disallow embedded newlines. */
1363
if (strchr (val, '\n'))
1365
fprintf (stderr, _("%s: %s: Invalid value %s.\n"),
1366
exec_name, com, quote (val));
1369
xfree_null (opt.useragent);
1370
opt.useragent = xstrdup (val);
1374
/* The "verbose" option cannot be cmd_boolean because the variable is
1375
not bool -- it's of type int (-1 means uninitialized because of
1376
some random hackery for disallowing -q -v). */
1379
cmd_spec_verbose (const char *com, const char *val, void *place_ignored)
1382
if (cmd_boolean (com, val, &flag))
1390
/* Miscellaneous useful routines. */
1392
/* A very simple atoi clone, more useful than atoi because it works on
1393
delimited strings, and has error reportage. Returns true on success,
1394
false on failure. If successful, stores result to *DEST. */
1397
simple_atoi (const char *beg, const char *end, int *dest)
1400
bool negative = false;
1401
const char *p = beg;
1403
while (p < end && c_isspace (*p))
1405
if (p < end && (*p == '-' || *p == '+'))
1407
negative = (*p == '-');
1413
/* Read negative numbers in a separate loop because the most
1414
negative integer cannot be represented as a positive number. */
1417
for (; p < end && c_isdigit (*p); p++)
1419
int next = (10 * result) + (*p - '0');
1421
return false; /* overflow */
1425
for (; p < end && c_isdigit (*p); p++)
1427
int next = (10 * result) - (*p - '0');
1429
return false; /* underflow */
1440
/* Trivial atof, with error reporting. Handles "<digits>[.<digits>]",
1441
doesn't handle exponential notation. Returns true on success,
1442
false on failure. In case of success, stores its result to
1446
simple_atof (const char *beg, const char *end, double *dest)
1450
bool negative = false;
1451
bool seen_dot = false;
1452
bool seen_digit = false;
1455
const char *p = beg;
1457
while (p < end && c_isspace (*p))
1459
if (p < end && (*p == '-' || *p == '+'))
1461
negative = (*p == '-');
1465
for (; p < end; p++)
1471
result = (10 * result) + (ch - '0');
1473
result += (ch - '0') / (divider *= 10);
1495
/* Verify that the user-specified header in S is valid. It must
1496
contain a colon preceded by non-white-space characters and must not
1497
contain newlines. */
1500
check_user_specified_header (const char *s)
1504
for (p = s; *p && *p != ':' && !c_isspace (*p); p++)
1506
/* The header MUST contain `:' preceded by at least one
1507
non-whitespace character. */
1508
if (*p != ':' || p == s)
1510
/* The header MUST NOT contain newlines. */
1511
if (strchr (s, '\n'))
1516
/* Decode VAL into a number, according to ITEMS. */
1519
decode_string (const char *val, const struct decode_item *items, int itemcount,
1523
for (i = 0; i < itemcount; i++)
1524
if (0 == strcasecmp (val, items[i].name))
1526
*place = items[i].code;
1533
void cleanup_html_url (void);
1536
/* Free the memory allocated by global variables. */
1540
/* Free external resources, close files, etc. */
1543
fclose (output_stream);
1544
/* No need to check for error because Wget flushes its output (and
1545
checks for errors) after any data arrives. */
1547
/* We're exiting anyway so there's no real need to call free()
1548
hundreds of times. Skipping the frees will make Wget exit
1551
However, when detecting leaks, it's crucial to free() everything
1552
because then you can find the real leaks, i.e. the allocated
1553
memory which grows with the size of the program. */
1559
cleanup_html_url ();
1564
extern acc_t *netrc_list;
1565
free_netrc (netrc_list);
1567
xfree_null (opt.lfilename);
1568
xfree_null (opt.dir_prefix);
1569
xfree_null (opt.input_filename);
1570
xfree_null (opt.output_document);
1571
free_vec (opt.accepts);
1572
free_vec (opt.rejects);
1573
free_vec (opt.excludes);
1574
free_vec (opt.includes);
1575
free_vec (opt.domains);
1576
free_vec (opt.follow_tags);
1577
free_vec (opt.ignore_tags);
1578
xfree_null (opt.progress_type);
1579
xfree_null (opt.ftp_user);
1580
xfree_null (opt.ftp_passwd);
1581
xfree_null (opt.ftp_proxy);
1582
xfree_null (opt.https_proxy);
1583
xfree_null (opt.http_proxy);
1584
free_vec (opt.no_proxy);
1585
xfree_null (opt.useragent);
1586
xfree_null (opt.referer);
1587
xfree_null (opt.http_user);
1588
xfree_null (opt.http_passwd);
1589
free_vec (opt.user_headers);
1591
xfree_null (opt.cert_file);
1592
xfree_null (opt.private_key);
1593
xfree_null (opt.ca_directory);
1594
xfree_null (opt.ca_cert);
1595
xfree_null (opt.random_file);
1596
xfree_null (opt.egd_file);
1598
xfree_null (opt.bind_address);
1599
xfree_null (opt.cookies_input);
1600
xfree_null (opt.cookies_output);
1601
xfree_null (opt.user);
1602
xfree_null (opt.passwd);
1603
xfree_null (opt.base_href);
1605
#endif /* DEBUG_MALLOC */
1608
/* Unit testing routines. */
1613
test_commands_sorted()
1615
int prev_idx = 0, next_idx = 1;
1616
int command_count = countof (commands) - 1;
1618
while (next_idx <= command_count)
1620
cmp = strcasecmp (commands[prev_idx].name, commands[next_idx].name);
1623
mu_assert ("FAILED", false);
1636
test_cmd_spec_restrict_file_names()
1641
int expected_restrict_files_os;
1642
int expected_restrict_files_ctrl;
1643
int expected_restrict_files_case;
1646
{ "windows", restrict_windows, true, restrict_no_case_restriction, true },
1647
{ "windows,", restrict_windows, true, restrict_no_case_restriction, true },
1648
{ "windows,lowercase", restrict_windows, true, restrict_lowercase, true },
1649
{ "unix,nocontrol,lowercase,", restrict_unix, false, restrict_lowercase, true },
1652
for (i = 0; i < sizeof(test_array)/sizeof(test_array[0]); ++i)
1657
res = cmd_spec_restrict_file_names ("dummy", test_array[i].val, NULL);
1660
fprintf (stderr, "test_cmd_spec_restrict_file_names: TEST %d\n", i); fflush (stderr);
1661
fprintf (stderr, "opt.restrict_files_os: %d\n", opt.restrict_files_os); fflush (stderr);
1662
fprintf (stderr, "opt.restrict_files_ctrl: %d\n", opt.restrict_files_ctrl); fflush (stderr);
1663
fprintf (stderr, "opt.restrict_files_case: %d\n", opt.restrict_files_case); fflush (stderr);
1665
mu_assert ("test_cmd_spec_restrict_file_names: wrong result",
1666
res == test_array[i].result
1667
&& opt.restrict_files_os == test_array[i].expected_restrict_files_os
1668
&& opt.restrict_files_ctrl == test_array[i].expected_restrict_files_ctrl
1669
&& opt.restrict_files_case == test_array[i].expected_restrict_files_case);
1675
#endif /* TESTING */
added
removed
.pc/CVE-2010-2252/src/init.c
