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+++ b/src/main.c
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+/* Command line parsing.
+ Copyright (C) 1996-2015, 2018-2020 Free Software Foundation, Inc.
+
+This file is part of GNU Wget.
+
+GNU Wget is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 3 of the License, or
+(at your option) any later version.
+
+GNU Wget is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with Wget. If not, see <http://www.gnu.org/licenses/>.
+
+Additional permission under GNU GPL version 3 section 7
+
+If you modify this program, or any covered work, by linking or
+combining it with the OpenSSL project's OpenSSL library (or a
+modified version of that library), containing parts covered by the
+terms of the OpenSSL or SSLeay licenses, the Free Software Foundation
+grants you additional permission to convey the resulting work.
+Corresponding Source for a non-source form of such a combination
+shall include the source code for the parts of OpenSSL used as well
+as that of the covered work. */
+
+#include "wget.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <signal.h>
+#include <spawn.h>
+#if defined(ENABLE_NLS) || defined(WINDOWS)
+# include <locale.h>
+#endif
+#include <assert.h>
+#include <errno.h>
+#include <time.h>
+
+#include "exits.h"
+#include "utils.h"
+#include "init.h"
+#include "retr.h"
+#include "recur.h"
+#include "host.h"
+#include "url.h"
+#include "progress.h" /* for progress_handle_sigwinch */
+#include "convert.h"
+#include "spider.h"
+#include "http.h" /* for save_cookies */
+#include "hsts.h" /* for initializing hsts_store to NULL */
+#include "ptimer.h"
+#include "warc.h"
+#include "version.h"
+#include "c-strcase.h"
+#include "dirname.h"
+#include "xmemdup0.h"
+#include <getopt.h>
+#include <getpass.h>
+#include <quote.h>
+
+#ifdef TESTING
+/* Rename the main function so we can have a main() in fuzzing code
+ and call the original main. */
+# define main main_wget
+#endif
+
+#ifdef HAVE_METALINK
+# include <metalink/metalink_parser.h>
+# include "metalink.h"
+#endif
+
+#ifdef WINDOWS
+# include <io.h>
+# include <fcntl.h>
+#ifndef ENABLE_NLS
+# include <mbctype.h>
+#endif
+#endif
+
+#ifdef __VMS
+# include "vms.h"
+#endif /* __VMS */
+
+#ifndef PATH_SEPARATOR
+# define PATH_SEPARATOR '/'
+#endif
+
+#ifndef ENABLE_IRI
+struct iri dummy_iri;
+#endif
+
+#ifdef HAVE_LIBCARES
+#include <ares.h>
+ares_channel ares;
+#else
+void *ares;
+#endif
+
+struct options opt;
+
+/* defined in version.c */
+extern char *system_getrc;
+/* Used for --version output in print_version */
+#define MAX_CHARS_PER_LINE 72
+#define TABULATION 4
+
+const char *exec_name;
+
+/* Number of successfully downloaded URLs */
+int numurls = 0;
+
+/* Initialize I18N/L10N. That amounts to invoking setlocale, and
+ setting up gettext's message catalog using bindtextdomain and
+ textdomain. Does nothing if NLS is disabled or missing. */
+
+#if defined(SIGHUP) || defined(SIGUSR1)
+/* Hangup signal handler. When wget receives SIGHUP or SIGUSR1, it
+ will proceed operation as usual, trying to write into a log file.
+ If that is impossible, the output will be turned off. */
+
+static void
+redirect_output_signal (int sig)
+{
+ const char *signal_name = "WTF?!";
+
+#ifdef SIGHUP
+ if (sig == SIGHUP)
+ signal_name = "SIGHUP";
+#endif
+#ifdef SIGUSR1
+ if (sig == SIGUSR1)
+ signal_name = "SIGUSR1";
+#endif
+
+ redirect_output (true,signal_name);
+ progress_schedule_redirect ();
+ signal (sig, redirect_output_signal);
+}
+#endif /* defined(SIGHUP) || defined(SIGUSR1) */
+
+static void
+i18n_initialize (void)
+{
+ /* ENABLE_NLS implies existence of functions invoked here. */
+#ifdef ENABLE_NLS
+ /* Set the current locale. */
+ setlocale (LC_ALL, "");
+ /* Set the text message domain. */
+ bindtextdomain ("wget", LOCALEDIR);
+ bindtextdomain ("wget-gnulib", LOCALEDIR);
+ textdomain ("wget");
+#elif defined WINDOWS
+ char MBCP[16] = "";
+ int CP;
+
+ CP = _getmbcp(); /* Consider it's different from default. */
+ if (CP > 0)
+ snprintf(MBCP, sizeof(MBCP), ".%d", CP);
+ setlocale(LC_ALL, MBCP);
+#endif /* ENABLE_NLS */
+}
+
+#ifdef HAVE_HSTS
+/* make the HSTS store global */
+hsts_store_t hsts_store;
+
+static char*
+get_hsts_database (void)
+{
+ if (opt.hsts_file)
+ return xstrdup (opt.hsts_file);
+
+ if (opt.homedir)
+ {
+ char *dir = ajoin_dir_file(opt.homedir, ".wget-hsts");
+ return dir;
+ }
+
+ return NULL;
+}
+
+static void
+load_hsts (void)
+{
+ if (!hsts_store)
+ {
+ char *filename = get_hsts_database ();
+
+ if (filename)
+ {
+ DEBUGP (("Reading HSTS entries from %s\n", filename));
+
+ hsts_store = hsts_store_open (filename);
+
+ if (!hsts_store)
+ logprintf (LOG_NOTQUIET, "ERROR: could not open HSTS store at '%s'. "
+ "HSTS will be disabled.\n",
+ filename);
+ }
+ else
+ logprintf (LOG_NOTQUIET, "ERROR: could not open HSTS store. HSTS will be disabled.\n");
+
+ xfree (filename);
+ }
+}
+
+static void
+save_hsts (void)
+{
+ if (hsts_store)
+ {
+ char *filename = get_hsts_database ();
+
+ if (filename && hsts_store_has_changed (hsts_store))
+ {
+ DEBUGP (("Saving HSTS entries to %s\n", filename));
+ hsts_store_save (hsts_store, filename);
+ }
+
+ hsts_store_close (hsts_store);
+ xfree (hsts_store);
+
+ xfree (filename);
+ }
+}
+#endif
+
+/* Definition of command-line options. */
+
+_Noreturn static void print_help (void);
+_Noreturn static void print_version (void);
+
+#ifdef HAVE_SSL
+# define IF_SSL(a,b,c,d,e) { a, b, c, d , e },
+#else
+# define IF_SSL(a,b,c,d,e)
+#endif
+
+struct cmdline_option {
+ char long_name[MAX_LONGOPTION];
+ char short_name;
+ enum {
+ OPT_VALUE,
+ OPT_BOOLEAN,
+ OPT_FUNCALL,
+ /* Non-standard options that have to be handled specially in
+ main(). */
+ OPT__APPEND_OUTPUT,
+ OPT__CLOBBER,
+ OPT__DONT_REMOVE_LISTING,
+ OPT__EXECUTE,
+ OPT__NO,
+ OPT__PARENT
+ } type;
+ const void *data; /* for standard options */
+ int argtype; /* for non-standard options */
+};
+
+static struct cmdline_option option_data[] =
+ {
+ { "accept", 'A', OPT_VALUE, "accept", -1 },
+ { "accept-regex", 0, OPT_VALUE, "acceptregex", -1 },
+ { "adjust-extension", 'E', OPT_BOOLEAN, "adjustextension", -1 },
+ { "append-output", 'a', OPT__APPEND_OUTPUT, NULL, required_argument },
+ { "ask-password", 0, OPT_BOOLEAN, "askpassword", -1 },
+ { "auth-no-challenge", 0, OPT_BOOLEAN, "authnochallenge", -1 },
+ { "background", 'b', OPT_BOOLEAN, "background", -1 },
+ { "backup-converted", 'K', OPT_BOOLEAN, "backupconverted", -1 },
+ { "backups", 0, OPT_BOOLEAN, "backups", -1 },
+ { "base", 'B', OPT_VALUE, "base", -1 },
+ { "bind-address", 0, OPT_VALUE, "bindaddress", -1 },
+#ifdef HAVE_LIBCARES
+ { "bind-dns-address", 0, OPT_VALUE, "binddnsaddress", -1 },
+#endif
+ { "body-data", 0, OPT_VALUE, "bodydata", -1 },
+ { "body-file", 0, OPT_VALUE, "bodyfile", -1 },
+ IF_SSL ( "ca-certificate", 0, OPT_VALUE, "cacertificate", -1 )
+ IF_SSL ( "ca-directory", 0, OPT_VALUE, "cadirectory", -1 )
+ { "cache", 0, OPT_BOOLEAN, "cache", -1 },
+ IF_SSL ( "certificate", 0, OPT_VALUE, "certificate", -1 )
+ IF_SSL ( "certificate-type", 0, OPT_VALUE, "certificatetype", -1 )
+ IF_SSL ( "check-certificate", 0, OPT_BOOLEAN, "checkcertificate", -1 )
+ { "clobber", 0, OPT__CLOBBER, NULL, optional_argument },
+#ifdef HAVE_LIBZ
+ { "compression", 0, OPT_VALUE, "compression", -1 },
+#endif
+ { "config", 0, OPT_VALUE, "chooseconfig", -1 },
+ { "connect-timeout", 0, OPT_VALUE, "connecttimeout", -1 },
+ { "continue", 'c', OPT_BOOLEAN, "continue", -1 },
+ { "convert-file-only", 0, OPT_BOOLEAN, "convertfileonly", -1 },
+ { "convert-links", 'k', OPT_BOOLEAN, "convertlinks", -1 },
+ { "content-disposition", 0, OPT_BOOLEAN, "contentdisposition", -1 },
+ { "content-on-error", 0, OPT_BOOLEAN, "contentonerror", -1 },
+ { "cookies", 0, OPT_BOOLEAN, "cookies", -1 },
+ IF_SSL ( "crl-file", 0, OPT_VALUE, "crlfile", -1 )
+ { "cut-dirs", 0, OPT_VALUE, "cutdirs", -1 },
+ { "debug", 'd', OPT_BOOLEAN, "debug", -1 },
+ { "default-page", 0, OPT_VALUE, "defaultpage", -1 },
+ { "delete-after", 0, OPT_BOOLEAN, "deleteafter", -1 },
+ { "directories", 0, OPT_BOOLEAN, "dirstruct", -1 },
+ { "directory-prefix", 'P', OPT_VALUE, "dirprefix", -1 },
+ { "dns-cache", 0, OPT_BOOLEAN, "dnscache", -1 },
+#ifdef HAVE_LIBCARES
+ { "dns-servers", 0, OPT_VALUE, "dnsservers", -1 },
+#endif
+ { "dns-timeout", 0, OPT_VALUE, "dnstimeout", -1 },
+ { "domains", 'D', OPT_VALUE, "domains", -1 },
+ { "dont-remove-listing", 0, OPT__DONT_REMOVE_LISTING, NULL, no_argument },
+ { "dot-style", 0, OPT_VALUE, "dotstyle", -1 }, /* deprecated */
+ { "egd-file", 0, OPT_VALUE, "egdfile", -1 },
+ { "exclude-directories", 'X', OPT_VALUE, "excludedirectories", -1 },
+ { "exclude-domains", 0, OPT_VALUE, "excludedomains", -1 },
+ { "execute", 'e', OPT__EXECUTE, NULL, required_argument },
+ { "follow-ftp", 0, OPT_BOOLEAN, "followftp", -1 },
+ { "follow-tags", 0, OPT_VALUE, "followtags", -1 },
+ { "force-directories", 'x', OPT_BOOLEAN, "dirstruct", -1 },
+ { "force-html", 'F', OPT_BOOLEAN, "forcehtml", -1 },
+ { "ftp-password", 0, OPT_VALUE, "ftppassword", -1 },
+#ifdef __VMS
+ { "ftp-stmlf", 0, OPT_BOOLEAN, "ftpstmlf", -1 },
+#endif /* def __VMS */
+ { "ftp-user", 0, OPT_VALUE, "ftpuser", -1 },
+ IF_SSL ( "ftps-clear-data-connection", 0, OPT_BOOLEAN, "ftpscleardataconnection", -1 )
+ IF_SSL ( "ftps-fallback-to-ftp", 0, OPT_BOOLEAN, "ftpsfallbacktoftp", -1 )
+ IF_SSL ( "ftps-implicit", 0, OPT_BOOLEAN, "ftpsimplicit", -1 )
+ IF_SSL ( "ftps-resume-ssl", 0, OPT_BOOLEAN, "ftpsresumessl", -1 )
+ { "glob", 0, OPT_BOOLEAN, "glob", -1 },
+ { "header", 0, OPT_VALUE, "header", -1 },
+ { "help", 'h', OPT_FUNCALL, (void *)print_help, no_argument },
+ { "host-directories", 0, OPT_BOOLEAN, "addhostdir", -1 },
+#ifdef HAVE_HSTS
+ { "hsts", 0, OPT_BOOLEAN, "hsts", -1},
+ { "hsts-file", 0, OPT_VALUE, "hstsfile", -1 },
+#endif
+ { "html-extension", 'E', OPT_BOOLEAN, "adjustextension", -1 }, /* deprecated */
+ { "htmlify", 0, OPT_BOOLEAN, "htmlify", -1 },
+ { "http-keep-alive", 0, OPT_BOOLEAN, "httpkeepalive", -1 },
+ { "http-passwd", 0, OPT_VALUE, "httppassword", -1 }, /* deprecated */
+ { "http-password", 0, OPT_VALUE, "httppassword", -1 },
+ { "http-user", 0, OPT_VALUE, "httpuser", -1 },
+ IF_SSL ( "https-only", 0, OPT_BOOLEAN, "httpsonly", -1 )
+ { "ignore-case", 0, OPT_BOOLEAN, "ignorecase", -1 },
+ { "ignore-length", 0, OPT_BOOLEAN, "ignorelength", -1 },
+ { "ignore-tags", 0, OPT_VALUE, "ignoretags", -1 },
+ { "include-directories", 'I', OPT_VALUE, "includedirectories", -1 },
+#ifdef ENABLE_IPV6
+ { "inet4-only", '4', OPT_BOOLEAN, "inet4only", -1 },
+ { "inet6-only", '6', OPT_BOOLEAN, "inet6only", -1 },
+#endif
+ { "input-file", 'i', OPT_VALUE, "input", -1 },
+#ifdef HAVE_METALINK
+ { "input-metalink", 0, OPT_VALUE, "inputmetalink", -1 },
+#endif
+ { "iri", 0, OPT_BOOLEAN, "iri", -1 },
+ { "keep-badhash", 0, OPT_BOOLEAN, "keepbadhash", -1 },
+ { "keep-session-cookies", 0, OPT_BOOLEAN, "keepsessioncookies", -1 },
+ { "level", 'l', OPT_VALUE, "reclevel", -1 },
+ { "limit-rate", 0, OPT_VALUE, "limitrate", -1 },
+ { "load-cookies", 0, OPT_VALUE, "loadcookies", -1 },
+ { "local-encoding", 0, OPT_VALUE, "localencoding", -1 },
+ { "rejected-log", 0, OPT_VALUE, "rejectedlog", -1 },
+ { "max-redirect", 0, OPT_VALUE, "maxredirect", -1 },
+#ifdef HAVE_METALINK
+ { "metalink-index", 0, OPT_VALUE, "metalinkindex", -1 },
+ { "metalink-over-http", 0, OPT_BOOLEAN, "metalinkoverhttp", -1 },
+#endif
+ { "method", 0, OPT_VALUE, "method", -1 },
+ { "mirror", 'm', OPT_BOOLEAN, "mirror", -1 },
+ { "netrc", 0, OPT_BOOLEAN, "netrc", -1 },
+ { "no", 'n', OPT__NO, NULL, required_argument },
+ { "no-clobber", 0, OPT_BOOLEAN, "noclobber", -1 },
+ { "no-config", 0, OPT_BOOLEAN, "noconfig", -1},
+ { "no-parent", 0, OPT_BOOLEAN, "noparent", -1 },
+ { "output-document", 'O', OPT_VALUE, "outputdocument", -1 },
+ { "output-file", 'o', OPT_VALUE, "logfile", -1 },
+ { "page-requisites", 'p', OPT_BOOLEAN, "pagerequisites", -1 },
+ { "parent", 0, OPT__PARENT, NULL, optional_argument },
+ { "passive-ftp", 0, OPT_BOOLEAN, "passiveftp", -1 },
+ { "password", 0, OPT_VALUE, "password", -1 },
+ IF_SSL ( "pinnedpubkey", 0, OPT_VALUE, "pinnedpubkey", -1 )
+ { "post-data", 0, OPT_VALUE, "postdata", -1 },
+ { "post-file", 0, OPT_VALUE, "postfile", -1 },
+ { "prefer-family", 0, OPT_VALUE, "preferfamily", -1 },
+#ifdef HAVE_METALINK
+ { "preferred-location", 0, OPT_VALUE, "preferredlocation", -1 },
+#endif
+ { "preserve-permissions", 0, OPT_BOOLEAN, "preservepermissions", -1 },
+ IF_SSL ( "ciphers", 0, OPT_VALUE, "ciphers", -1 )
+ IF_SSL ( "private-key", 0, OPT_VALUE, "privatekey", -1 )
+ IF_SSL ( "private-key-type", 0, OPT_VALUE, "privatekeytype", -1 )
+ { "progress", 0, OPT_VALUE, "progress", -1 },
+ { "show-progress", 0, OPT_BOOLEAN, "showprogress", -1 },
+ { "protocol-directories", 0, OPT_BOOLEAN, "protocoldirectories", -1 },
+ { "proxy", 0, OPT_BOOLEAN, "useproxy", -1 },
+ { "proxy__compat", 'Y', OPT_VALUE, "useproxy", -1 }, /* back-compatible */
+ { "proxy-passwd", 0, OPT_VALUE, "proxypassword", -1 }, /* deprecated */
+ { "proxy-password", 0, OPT_VALUE, "proxypassword", -1 },
+ { "proxy-user", 0, OPT_VALUE, "proxyuser", -1 },
+ { "quiet", 'q', OPT_BOOLEAN, "quiet", -1 },
+ { "quota", 'Q', OPT_VALUE, "quota", -1 },
+ { "random-file", 0, OPT_VALUE, "randomfile", -1 },
+ { "random-wait", 0, OPT_BOOLEAN, "randomwait", -1 },
+ { "read-timeout", 0, OPT_VALUE, "readtimeout", -1 },
+ { "recursive", 'r', OPT_BOOLEAN, "recursive", -1 },
+ { "referer", 0, OPT_VALUE, "referer", -1 },
+ { "regex-type", 0, OPT_VALUE, "regextype", -1 },
+ { "reject", 'R', OPT_VALUE, "reject", -1 },
+ { "reject-regex", 0, OPT_VALUE, "rejectregex", -1 },
+ { "relative", 'L', OPT_BOOLEAN, "relativeonly", -1 },
+ { "remote-encoding", 0, OPT_VALUE, "remoteencoding", -1 },
+ { "remove-listing", 0, OPT_BOOLEAN, "removelisting", -1 },
+ { "report-speed", 0, OPT_BOOLEAN, "reportspeed", -1 },
+ { "restrict-file-names", 0, OPT_BOOLEAN, "restrictfilenames", -1 },
+ { "retr-symlinks", 0, OPT_BOOLEAN, "retrsymlinks", -1 },
+ { "retry-connrefused", 0, OPT_BOOLEAN, "retryconnrefused", -1 },
+ { "retry-on-host-error", 0, OPT_BOOLEAN, "retryonhosterror", -1 },
+ { "retry-on-http-error", 0, OPT_VALUE, "retryonhttperror", -1 },
+ { "save-cookies", 0, OPT_VALUE, "savecookies", -1 },
+ { "save-headers", 0, OPT_BOOLEAN, "saveheaders", -1 },
+ IF_SSL ( "secure-protocol", 0, OPT_VALUE, "secureprotocol", -1 )
+ { "server-response", 'S', OPT_BOOLEAN, "serverresponse", -1 },
+ { "span-hosts", 'H', OPT_BOOLEAN, "spanhosts", -1 },
+ { "spider", 0, OPT_BOOLEAN, "spider", -1 },
+ { "start-pos", 0, OPT_VALUE, "startpos", -1 },
+ { "strict-comments", 0, OPT_BOOLEAN, "strictcomments", -1 },
+ { "timeout", 'T', OPT_VALUE, "timeout", -1 },
+ { "timestamping", 'N', OPT_BOOLEAN, "timestamping", -1 },
+ { "if-modified-since", 0, OPT_BOOLEAN, "ifmodifiedsince", -1 },
+ { "tries", 't', OPT_VALUE, "tries", -1 },
+ { "unlink", 0, OPT_BOOLEAN, "unlink", -1 },
+ { "trust-server-names", 0, OPT_BOOLEAN, "trustservernames", -1 },
+#ifndef __VMS
+ { "use-askpass", 0, OPT_VALUE, "useaskpass", -1},
+#endif
+ { "use-server-timestamps", 0, OPT_BOOLEAN, "useservertimestamps", -1 },
+ { "user", 0, OPT_VALUE, "user", -1 },
+ { "user-agent", 'U', OPT_VALUE, "useragent", -1 },
+ { "verbose", 'v', OPT_BOOLEAN, "verbose", -1 },
+ { "version", 'V', OPT_FUNCALL, (void *) print_version, no_argument },
+ { "wait", 'w', OPT_VALUE, "wait", -1 },
+ { "waitretry", 0, OPT_VALUE, "waitretry", -1 },
+ { "warc-cdx", 0, OPT_BOOLEAN, "warccdx", -1 },
+#ifdef HAVE_LIBZ
+ { "warc-compression", 0, OPT_BOOLEAN, "warccompression", -1 },
+#endif
+ { "warc-dedup", 0, OPT_VALUE, "warccdxdedup", -1 },
+ { "warc-digests", 0, OPT_BOOLEAN, "warcdigests", -1 },
+ { "warc-file", 0, OPT_VALUE, "warcfile", -1 },
+ { "warc-header", 0, OPT_VALUE, "warcheader", -1 },
+ { "warc-keep-log", 0, OPT_BOOLEAN, "warckeeplog", -1 },
+ { "warc-max-size", 0, OPT_VALUE, "warcmaxsize", -1 },
+ { "warc-tempdir", 0, OPT_VALUE, "warctempdir", -1 },
+#ifdef USE_WATT32
+ { "wdebug", 0, OPT_BOOLEAN, "wdebug", -1 },
+#endif
+#ifdef ENABLE_XATTR
+ { "xattr", 0, OPT_BOOLEAN, "xattr", -1 },
+#endif
+ };
+
+#undef IF_SSL
+
+/* Return a string that contains S with "no-" prepended. The string
+ is NUL-terminated and allocated off static storage at Wget
+ startup. */
+
+static char *
+no_prefix (const char *s)
+{
+ static char buffer[2048];
+ static char *p = buffer;
+
+ char *cp = p;
+ int size = 3 + strlen (s) + 1; /* "no-STRING\0" */
+ assert(p + size <= buffer + sizeof (buffer));
+
+ cp[0] = 'n', cp[1] = 'o', cp[2] = '-';
+ strcpy (cp + 3, s);
+ p += size;
+ return cp;
+}
+
+/* The arguments that that main passes to getopt_long. */
+static struct option long_options[2 * countof (option_data) + 1];
+static char short_options[128];
+
+/* Mapping between short option chars and option_data indices. */
+static unsigned char optmap[96];
+
+/* Marker for `--no-FOO' values in long_options. */
+#define BOOLEAN_NEG_MARKER 1024
+
+/* Initialize the long_options array used by getopt_long from the data
+ in option_data. */
+
+static void
+init_switches (void)
+{
+ static bool initialized;
+ char *p = short_options;
+ size_t i, o = 0;
+
+ if (initialized)
+ return;
+ initialized = 1;
+
+ for (i = 0; i < countof (option_data); i++)
+ {
+ struct cmdline_option *cmdopt = &option_data[i];
+ struct option *longopt;
+
+ longopt = &long_options[o++];
+ longopt->name = cmdopt->long_name;
+ longopt->val = i;
+ if (cmdopt->short_name)
+ {
+ *p++ = cmdopt->short_name;
+ optmap[cmdopt->short_name - 32] = longopt - long_options;
+ }
+ switch (cmdopt->type)
+ {
+ case OPT_VALUE:
+ longopt->has_arg = required_argument;
+ if (cmdopt->short_name)
+ *p++ = ':';
+ break;
+ case OPT_BOOLEAN:
+ /* Specify an optional argument for long options, so that
+ --option=off works the same as --no-option, for
+ compatibility with pre-1.10 Wget. However, don't specify
+ optional arguments short-option booleans because they
+ prevent combining of short options. */
+ longopt->has_arg = optional_argument;
+ /* For Boolean options, add the "--no-FOO" variant, which is
+ identical to "--foo", except it has opposite meaning and
+ it doesn't allow an argument. */
+ longopt = &long_options[o++];
+ longopt->name = no_prefix (cmdopt->long_name);
+ longopt->has_arg = no_argument;
+ /* Mask the value so we'll be able to recognize that we're
+ dealing with the false value. */
+ longopt->val = i | BOOLEAN_NEG_MARKER;
+ break;
+ default:
+ assert (cmdopt->argtype != -1);
+ longopt->has_arg = cmdopt->argtype;
+ if (cmdopt->short_name)
+ {
+ if (longopt->has_arg == required_argument)
+ *p++ = ':';
+ /* Don't handle optional_argument */
+ }
+ }
+ }
+ /* Terminate short_options. */
+ *p = '\0';
+ /* No need for xzero(long_options[o]) because its storage is static
+ and it will be zeroed by default. */
+ assert (o <= countof (long_options));
+}
+
+/* Print the usage message. */
+static int
+print_usage (_GL_UNUSED int error)
+{
+#ifndef TESTING
+ return fprintf (error ? stderr : stdout,
+ _("Usage: %s [OPTION]... [URL]...\n"), exec_name);
+#else
+ return 0;
+#endif
+}
+
+/* Print the help message, describing all the available options. If
+ you add an option, be sure to update this list. */
+_Noreturn static void
+print_help (void)
+{
+#ifndef TESTING
+ /* We split the help text this way to ease translation of individual
+ entries. */
+ static const char *help[] = {
+ "\n",
+ N_("\
+Mandatory arguments to long options are mandatory for short options too.\n\n"),
+ N_("\
+Startup:\n"),
+ N_("\
+ -V, --version display the version of Wget and exit\n"),
+ N_("\
+ -h, --help print this help\n"),
+ N_("\
+ -b, --background go to background after startup\n"),
+ N_("\
+ -e, --execute=COMMAND execute a `.wgetrc'-style command\n"),
+ "\n",
+
+ N_("\
+Logging and input file:\n"),
+ N_("\
+ -o, --output-file=FILE log messages to FILE\n"),
+ N_("\
+ -a, --append-output=FILE append messages to FILE\n"),
+#ifdef ENABLE_DEBUG
+ N_("\
+ -d, --debug print lots of debugging information\n"),
+#endif
+#ifdef USE_WATT32
+ N_("\
+ --wdebug print Watt-32 debug output\n"),
+#endif
+ N_("\
+ -q, --quiet quiet (no output)\n"),
+ N_("\
+ -v, --verbose be verbose (this is the default)\n"),
+ N_("\
+ -nv, --no-verbose turn off verboseness, without being quiet\n"),
+ N_("\
+ --report-speed=TYPE output bandwidth as TYPE. TYPE can be bits\n"),
+ N_("\
+ -i, --input-file=FILE download URLs found in local or external FILE\n"),
+#ifdef HAVE_METALINK
+ N_("\
+ --input-metalink=FILE download files covered in local Metalink FILE\n"),
+#endif
+ N_("\
+ -F, --force-html treat input file as HTML\n"),
+ N_("\
+ -B, --base=URL resolves HTML input-file links (-i -F)\n\
+ relative to URL\n"),
+ N_("\
+ --config=FILE specify config file to use\n"),
+ N_("\
+ --no-config do not read any config file\n"),
+ N_("\
+ --rejected-log=FILE log reasons for URL rejection to FILE\n"),
+ "\n",
+
+ N_("\
+Download:\n"),
+ N_("\
+ -t, --tries=NUMBER set number of retries to NUMBER (0 unlimits)\n"),
+ N_("\
+ --retry-connrefused retry even if connection is refused\n"),
+ N_("\
+ --retry-on-http-error=ERRORS comma-separated list of HTTP errors to retry\n"),
+ N_("\
+ -O, --output-document=FILE write documents to FILE\n"),
+ N_("\
+ -nc, --no-clobber skip downloads that would download to\n\
+ existing files (overwriting them)\n"),
+ N_("\
+ --no-netrc don't try to obtain credentials from .netrc\n"),
+ N_("\
+ -c, --continue resume getting a partially-downloaded file\n"),
+ N_("\
+ --start-pos=OFFSET start downloading from zero-based position OFFSET\n"),
+ N_("\
+ --progress=TYPE select progress gauge type\n"),
+ N_("\
+ --show-progress display the progress bar in any verbosity mode\n"),
+ N_("\
+ -N, --timestamping don't re-retrieve files unless newer than\n\
+ local\n"),
+ N_("\
+ --no-if-modified-since don't use conditional if-modified-since get\n\
+ requests in timestamping mode\n"),
+ N_("\
+ --no-use-server-timestamps don't set the local file's timestamp by\n\
+ the one on the server\n"),
+ N_("\
+ -S, --server-response print server response\n"),
+ N_("\
+ --spider don't download anything\n"),
+ N_("\
+ -T, --timeout=SECONDS set all timeout values to SECONDS\n"),
+#ifdef HAVE_LIBCARES
+ N_("\
+ --dns-servers=ADDRESSES list of DNS servers to query (comma separated)\n"),
+ N_("\
+ --bind-dns-address=ADDRESS bind DNS resolver to ADDRESS (hostname or IP) on local host\n"),
+#endif
+ N_("\
+ --dns-timeout=SECS set the DNS lookup timeout to SECS\n"),
+ N_("\
+ --connect-timeout=SECS set the connect timeout to SECS\n"),
+ N_("\
+ --read-timeout=SECS set the read timeout to SECS\n"),
+ N_("\
+ -w, --wait=SECONDS wait SECONDS between retrievals\n\
+ (applies if more then 1 URL is to be retrieved)\n"),
+ N_("\
+ --waitretry=SECONDS wait 1..SECONDS between retries of a retrieval\n\
+ (applies if more then 1 URL is to be retrieved)\n"),
+ N_("\
+ --random-wait wait from 0.5*WAIT...1.5*WAIT secs between retrievals\n\
+ (applies if more then 1 URL is to be retrieved)\n"),
+ N_("\
+ --no-proxy explicitly turn off proxy\n"),
+ N_("\
+ -Q, --quota=NUMBER set retrieval quota to NUMBER\n"),
+ N_("\
+ --bind-address=ADDRESS bind to ADDRESS (hostname or IP) on local host\n"),
+ N_("\
+ --limit-rate=RATE limit download rate to RATE\n"),
+ N_("\
+ --no-dns-cache disable caching DNS lookups\n"),
+ N_("\
+ --restrict-file-names=OS restrict chars in file names to ones OS allows\n"),
+ N_("\
+ --ignore-case ignore case when matching files/directories\n"),
+#ifdef ENABLE_IPV6
+ N_("\
+ -4, --inet4-only connect only to IPv4 addresses\n"),
+ N_("\
+ -6, --inet6-only connect only to IPv6 addresses\n"),
+ N_("\
+ --prefer-family=FAMILY connect first to addresses of specified family,\n\
+ one of IPv6, IPv4, or none\n"),
+#endif
+ N_("\
+ --user=USER set both ftp and http user to USER\n"),
+ N_("\
+ --password=PASS set both ftp and http password to PASS\n"),
+ N_("\
+ --ask-password prompt for passwords\n"),
+#ifndef __VMS
+ N_("\
+ --use-askpass=COMMAND specify credential handler for requesting \n\
+ username and password. If no COMMAND is \n\
+ specified the WGET_ASKPASS or the SSH_ASKPASS \n\
+ environment variable is used.\n"),
+#endif
+ N_("\
+ --no-iri turn off IRI support\n"),
+ N_("\
+ --local-encoding=ENC use ENC as the local encoding for IRIs\n"),
+ N_("\
+ --remote-encoding=ENC use ENC as the default remote encoding\n"),
+ N_("\
+ --unlink remove file before clobber\n"),
+#ifdef HAVE_METALINK
+ N_("\
+ --keep-badhash keep files with checksum mismatch (append .badhash)\n"),
+ N_("\
+ --metalink-index=NUMBER Metalink application/metalink4+xml metaurl ordinal NUMBER\n"),
+ N_("\
+ --metalink-over-http use Metalink metadata from HTTP response headers\n"),
+ N_("\
+ --preferred-location preferred location for Metalink resources\n"),
+#endif
+#ifdef ENABLE_XATTR
+ N_("\
+ --xattr turn on storage of metadata in extended file attributes\n"),
+#endif
+ "\n",
+
+ N_("\
+Directories:\n"),
+ N_("\
+ -nd, --no-directories don't create directories\n"),
+ N_("\
+ -x, --force-directories force creation of directories\n"),
+ N_("\
+ -nH, --no-host-directories don't create host directories\n"),
+ N_("\
+ --protocol-directories use protocol name in directories\n"),
+ N_("\
+ -P, --directory-prefix=PREFIX save files to PREFIX/..\n"),
+ N_("\
+ --cut-dirs=NUMBER ignore NUMBER remote directory components\n"),
+ "\n",
+
+ N_("\
+HTTP options:\n"),
+ N_("\
+ --http-user=USER set http user to USER\n"),
+ N_("\
+ --http-password=PASS set http password to PASS\n"),
+ N_("\
+ --no-cache disallow server-cached data\n"),
+ N_ ("\
+ --default-page=NAME change the default page name (normally\n\
+ this is 'index.html'.)\n"),
+ N_("\
+ -E, --adjust-extension save HTML/CSS documents with proper extensions\n"),
+ N_("\
+ --ignore-length ignore 'Content-Length' header field\n"),
+ N_("\
+ --header=STRING insert STRING among the headers\n"),
+#ifdef HAVE_LIBZ
+ N_("\
+ --compression=TYPE choose compression, one of auto, gzip and none. (default: none)\n"),
+#endif
+ N_("\
+ --max-redirect maximum redirections allowed per page\n"),
+ N_("\
+ --proxy-user=USER set USER as proxy username\n"),
+ N_("\
+ --proxy-password=PASS set PASS as proxy password\n"),
+ N_("\
+ --referer=URL include 'Referer: URL' header in HTTP request\n"),
+ N_("\
+ --save-headers save the HTTP headers to file\n"),
+ N_("\
+ -U, --user-agent=AGENT identify as AGENT instead of Wget/VERSION\n"),
+ N_("\
+ --no-http-keep-alive disable HTTP keep-alive (persistent connections)\n"),
+ N_("\
+ --no-cookies don't use cookies\n"),
+ N_("\
+ --load-cookies=FILE load cookies from FILE before session\n"),
+ N_("\
+ --save-cookies=FILE save cookies to FILE after session\n"),
+ N_("\
+ --keep-session-cookies load and save session (non-permanent) cookies\n"),
+ N_("\
+ --post-data=STRING use the POST method; send STRING as the data\n"),
+ N_("\
+ --post-file=FILE use the POST method; send contents of FILE\n"),
+ N_("\
+ --method=HTTPMethod use method \"HTTPMethod\" in the request\n"),
+ N_("\
+ --body-data=STRING send STRING as data. --method MUST be set\n"),
+ N_("\
+ --body-file=FILE send contents of FILE. --method MUST be set\n"),
+ N_("\
+ --content-disposition honor the Content-Disposition header when\n\
+ choosing local file names (EXPERIMENTAL)\n"),
+ N_("\
+ --content-on-error output the received content on server errors\n"),
+ N_("\
+ --auth-no-challenge send Basic HTTP authentication information\n\
+ without first waiting for the server's\n\
+ challenge\n"),
+ "\n",
+
+#ifdef HAVE_SSL
+ N_("\
+HTTPS (SSL/TLS) options:\n"),
+ N_("\
+ --secure-protocol=PR choose secure protocol, one of auto, SSLv2,\n\
+ SSLv3, TLSv1, TLSv1_1, TLSv1_2 and PFS\n"),
+ N_("\
+ --https-only only follow secure HTTPS links\n"),
+ N_("\
+ --no-check-certificate don't validate the server's certificate\n"),
+ N_("\
+ --certificate=FILE client certificate file\n"),
+ N_("\
+ --certificate-type=TYPE client certificate type, PEM or DER\n"),
+ N_("\
+ --private-key=FILE private key file\n"),
+ N_("\
+ --private-key-type=TYPE private key type, PEM or DER\n"),
+ N_("\
+ --ca-certificate=FILE file with the bundle of CAs\n"),
+ N_("\
+ --ca-directory=DIR directory where hash list of CAs is stored\n"),
+ N_("\
+ --crl-file=FILE file with bundle of CRLs\n"),
+ N_("\
+ --pinnedpubkey=FILE/HASHES Public key (PEM/DER) file, or any number\n\
+ of base64 encoded sha256 hashes preceded by\n\
+ \'sha256//\' and separated by \';\', to verify\n\
+ peer against\n"),
+#if defined(HAVE_LIBSSL) || defined(HAVE_LIBSSL32)
+ N_("\
+ --random-file=FILE file with random data for seeding the SSL PRNG\n"),
+#endif
+#if (defined(HAVE_LIBSSL) || defined(HAVE_LIBSSL32)) && defined(HAVE_RAND_EGD)
+ N_("\
+ --egd-file=FILE file naming the EGD socket with random data\n"),
+#endif
+ "\n",
+ N_("\
+ --ciphers=STR Set the priority string (GnuTLS) or cipher list string (OpenSSL) directly.\n\
+ Use with care. This option overrides --secure-protocol.\n\
+ The format and syntax of this string depend on the specific SSL/TLS engine.\n"),
+#endif /* HAVE_SSL */
+
+#ifdef HAVE_HSTS
+ N_("\
+HSTS options:\n"),
+ N_("\
+ --no-hsts disable HSTS\n"),
+ N_("\
+ --hsts-file path of HSTS database (will override default)\n"),
+ "\n",
+#endif
+
+ N_("\
+FTP options:\n"),
+#ifdef __VMS
+ N_("\
+ --ftp-stmlf use Stream_LF format for all binary FTP files\n"),
+#endif /* def __VMS */
+ N_("\
+ --ftp-user=USER set ftp user to USER\n"),
+ N_("\
+ --ftp-password=PASS set ftp password to PASS\n"),
+ N_("\
+ --no-remove-listing don't remove '.listing' files\n"),
+ N_("\
+ --no-glob turn off FTP file name globbing\n"),
+ N_("\
+ --no-passive-ftp disable the \"passive\" transfer mode\n"),
+ N_("\
+ --preserve-permissions preserve remote file permissions\n"),
+ N_("\
+ --retr-symlinks when recursing, get linked-to files (not dir)\n"),
+ "\n",
+
+#ifdef HAVE_SSL
+ N_("\
+FTPS options:\n"),
+ N_("\
+ --ftps-implicit use implicit FTPS (default port is 990)\n"),
+ N_("\
+ --ftps-resume-ssl resume the SSL/TLS session started in the control connection when\n"
+ " opening a data connection\n"),
+ N_("\
+ --ftps-clear-data-connection cipher the control channel only; all the data will be in plaintext\n"),
+ N_("\
+ --ftps-fallback-to-ftp fall back to FTP if FTPS is not supported in the target server\n"),
+#endif
+
+ N_("\
+WARC options:\n"),
+ N_("\
+ --warc-file=FILENAME save request/response data to a .warc.gz file\n"),
+ N_("\
+ --warc-header=STRING insert STRING into the warcinfo record\n"),
+ N_("\
+ --warc-max-size=NUMBER set maximum size of WARC files to NUMBER\n"),
+ N_("\
+ --warc-cdx write CDX index files\n"),
+ N_("\
+ --warc-dedup=FILENAME do not store records listed in this CDX file\n"),
+#ifdef HAVE_LIBZ
+ N_("\
+ --no-warc-compression do not compress WARC files with GZIP\n"),
+#endif
+ N_("\
+ --no-warc-digests do not calculate SHA1 digests\n"),
+ N_("\
+ --no-warc-keep-log do not store the log file in a WARC record\n"),
+ N_("\
+ --warc-tempdir=DIRECTORY location for temporary files created by the\n\
+ WARC writer\n"),
+ "\n",
+
+ N_("\
+Recursive download:\n"),
+ N_("\
+ -r, --recursive specify recursive download\n"),
+ N_("\
+ -l, --level=NUMBER maximum recursion depth (inf or 0 for infinite)\n"),
+ N_("\
+ --delete-after delete files locally after downloading them\n"),
+ N_("\
+ -k, --convert-links make links in downloaded HTML or CSS point to\n\
+ local files\n"),
+ N_("\
+ --convert-file-only convert the file part of the URLs only (usually known as the basename)\n"),
+ N_("\
+ --backups=N before writing file X, rotate up to N backup files\n"),
+
+#ifdef __VMS
+ N_("\
+ -K, --backup-converted before converting file X, back up as X_orig\n"),
+#else /* def __VMS */
+ N_("\
+ -K, --backup-converted before converting file X, back up as X.orig\n"),
+#endif /* def __VMS [else] */
+ N_("\
+ -m, --mirror shortcut for -N -r -l inf --no-remove-listing\n"),
+ N_("\
+ -p, --page-requisites get all images, etc. needed to display HTML page\n"),
+ N_("\
+ --strict-comments turn on strict (SGML) handling of HTML comments\n"),
+ "\n",
+
+ N_("\
+Recursive accept/reject:\n"),
+ N_("\
+ -A, --accept=LIST comma-separated list of accepted extensions\n"),
+ N_("\
+ -R, --reject=LIST comma-separated list of rejected extensions\n"),
+ N_("\
+ --accept-regex=REGEX regex matching accepted URLs\n"),
+ N_("\
+ --reject-regex=REGEX regex matching rejected URLs\n"),
+#if defined HAVE_LIBPCRE || defined HAVE_LIBPCRE2
+ N_("\
+ --regex-type=TYPE regex type (posix|pcre)\n"),
+#else
+ N_("\
+ --regex-type=TYPE regex type (posix)\n"),
+#endif
+ N_("\
+ -D, --domains=LIST comma-separated list of accepted domains\n"),
+ N_("\
+ --exclude-domains=LIST comma-separated list of rejected domains\n"),
+ N_("\
+ --follow-ftp follow FTP links from HTML documents\n"),
+ N_("\
+ --follow-tags=LIST comma-separated list of followed HTML tags\n"),
+ N_("\
+ --ignore-tags=LIST comma-separated list of ignored HTML tags\n"),
+ N_("\
+ -H, --span-hosts go to foreign hosts when recursive\n"),
+ N_("\
+ -L, --relative follow relative links only\n"),
+ N_("\
+ -I, --include-directories=LIST list of allowed directories\n"),
+ N_("\
+ --trust-server-names use the name specified by the redirection\n\
+ URL's last component\n"),
+ N_("\
+ -X, --exclude-directories=LIST list of excluded directories\n"),
+ N_("\
+ -np, --no-parent don't ascend to the parent directory\n"),
+ "\n",
+ N_("Email bug reports, questions, discussions to <bug-wget@gnu.org>\n"
+ "and/or open issues at https://savannah.gnu.org/bugs/?func=additem&group=wget.\n")
+ };
+
+ size_t i;
+
+ if (printf (_("GNU Wget %s, a non-interactive network retriever.\n"),
+ version_string) < 0)
+ exit (WGET_EXIT_IO_FAIL);
+ if (print_usage (0) < 0)
+ exit (WGET_EXIT_IO_FAIL);
+
+ for (i = 0; i < countof (help); i++)
+ if (fputs (_(help[i]), stdout) < 0)
+ exit (WGET_EXIT_IO_FAIL);
+#endif /* TESTING */
+ exit (WGET_EXIT_SUCCESS);
+}
+
+/* Return a human-readable printed representation of INTERVAL,
+ measured in seconds. */
+
+static char *
+secs_to_human_time (double interval)
+{
+ static char buf[32];
+ int secs = (int) (interval + 0.5);
+ int hours, mins, days;
+
+ days = secs / 86400, secs %= 86400;
+ hours = secs / 3600, secs %= 3600;
+ mins = secs / 60, secs %= 60;
+
+ if (days)
+ sprintf (buf, "%dd %dh %dm %ds", days, hours, mins, secs);
+ else if (hours)
+ sprintf (buf, "%dh %dm %ds", hours, mins, secs);
+ else if (mins)
+ sprintf (buf, "%dm %ds", mins, secs);
+ else
+ sprintf (buf, "%ss", print_decimal (interval));
+
+ return buf;
+}
+
+static char *
+prompt_for_password (void)
+{
+ if (opt.user)
+ fprintf (stderr, _("Password for user %s: "), quote (opt.user));
+ else
+ fprintf (stderr, _("Password: "));
+#ifndef TESTING
+ /* gnulib's getpass() uses static variables internally, bad for fuzing */
+ return getpass("");
+#else
+ return xstrdup("");
+#endif
+}
+
+
+/* Execute external application opt.use_askpass */
+static void
+run_use_askpass (char *question, char **answer)
+{
+ char tmp[1024];
+ pid_t pid;
+ int status;
+ int com[2];
+ ssize_t bytes = 0;
+ char *argv[3], *p;
+ posix_spawn_file_actions_t fa;
+
+ if (pipe (com) == -1)
+ {
+ fprintf (stderr, _("Cannot create pipe\n"));
+ exit (WGET_EXIT_GENERIC_ERROR);
+ }
+
+ status = posix_spawn_file_actions_init (&fa);
+ if (status)
+ {
+ fprintf (stderr,
+ _("Error initializing spawn file actions for use-askpass: %d\n"),
+ status);
+ exit (WGET_EXIT_GENERIC_ERROR);
+ }
+
+ status = posix_spawn_file_actions_adddup2 (&fa, com[1], STDOUT_FILENO);
+ if (status)
+ {
+ fprintf (stderr,
+ _("Error setting spawn file actions for use-askpass: %d\n"),
+ status);
+ exit (WGET_EXIT_GENERIC_ERROR);
+ }
+
+ /* C89 initializer lists must be computable at load time,
+ * thus this explicit initialization. */
+ argv[0] = opt.use_askpass;
+ argv[1] = question;
+ argv[2] = NULL;
+
+ status = posix_spawnp (&pid, opt.use_askpass, &fa, NULL, argv, environ);
+ if (status)
+ {
+ fprintf (stderr, "Error spawning %s: %d\n", opt.use_askpass, status);
+ exit (WGET_EXIT_GENERIC_ERROR);
+ }
+
+ /* Parent process reads from child. */
+ close (com[1]);
+ bytes = read (com[0], tmp, sizeof (tmp) - 1);
+ if (bytes <= 0)
+ {
+ fprintf (stderr,
+ _("Error reading response from command \"%s %s\": %s\n"),
+ opt.use_askpass, question, strerror (errno));
+ exit (WGET_EXIT_GENERIC_ERROR);
+ }
+
+ /* Make sure there is a trailing 0 */
+ tmp[bytes] = '\0';
+
+ /* Remove a possible new line */
+ if ((p = strpbrk (tmp, "\r\n")))
+ bytes = p - tmp;
+
+ *answer = xmemdup0 (tmp, bytes);
+}
+
+/* set the user name and password*/
+static void
+use_askpass (struct url *u)
+{
+ static char question[1024];
+
+ if (u->user == NULL || u->user[0] == '\0')
+ {
+ snprintf (question, sizeof (question), _("Username for '%s%s': "),
+ scheme_leading_string(u->scheme), u->host);
+ /* Prompt for username */
+ run_use_askpass (question, &u->user);
+ if (opt.recursive)
+ opt.user = xstrdup (u->user);
+ }
+
+ if (u->passwd == NULL || u->passwd[0] == '\0')
+ {
+ snprintf(question, sizeof (question), _("Password for '%s%s@%s': "),
+ scheme_leading_string (u->scheme), u->user, u->host);
+ /* Prompt for password */
+ run_use_askpass (question, &u->passwd);
+ if (opt.recursive)
+ opt.passwd = xstrdup (u->passwd);
+ }
+}
+/* Function that prints the line argument while limiting it
+ to at most line_length. prefix is printed on the first line
+ and an appropriate number of spaces are added on subsequent
+ lines.*/
+static int
+format_and_print_line (const char *prefix, const char *line,
+ int line_length)
+{
+ int remaining_chars;
+ char *line_dup, *token;
+
+ assert (prefix != NULL);
+ assert (line != NULL);
+ assert (line_length > TABULATION);
+
+ line_dup = xstrdup (line);
+
+ if (printf ("%s", prefix) < 0)
+ {
+ xfree (line_dup);
+ return -1;
+ }
+
+ /* Wrap to new line after prefix. */
+ remaining_chars = 0;
+
+ /* We break on spaces. */
+ token = strtok (line_dup, " ");
+ while (token != NULL)
+ {
+ /* If however a token is much larger than the maximum
+ line length, all bets are off and we simply print the
+ token on the next line. */
+ if (remaining_chars <= (int) strlen (token))
+ {
+ if (printf ("\n%*c", TABULATION, ' ') < 0)
+ {
+ xfree (line_dup);
+ return -1;
+ }
+ remaining_chars = line_length - TABULATION;
+ }
+ if (printf ("%s ", token) < 0)
+ {
+ xfree (line_dup);
+ return -1;
+ }
+ remaining_chars -= strlen (token) + 1; /* account for " " */
+ token = strtok (NULL, " ");
+ }
+
+ if (printf ("\n") < 0)
+ {
+ xfree (line_dup);
+ return -1;
+ }
+
+ xfree (line_dup);
+ return 0;
+}
+
+_Noreturn static void
+print_version (void)
+{
+ const char *wgetrc_title = _("Wgetrc: ");
+ const char *locale_title = _("Locale: ");
+ const char *compile_title = _("Compile: ");
+ const char *link_title = _("Link: ");
+ char *env_wgetrc, *user_wgetrc;
+ int i;
+
+ if (printf (_("GNU Wget %s built on %s.\n\n"), version_string, OS_TYPE) < 0)
+ exit (WGET_EXIT_IO_FAIL);
+
+ for (i = 0; compiled_features[i] != NULL; )
+ {
+ int line_length = MAX_CHARS_PER_LINE;
+ while ((line_length > 0) && (compiled_features[i] != NULL))
+ {
+ if (printf ("%s ", compiled_features[i]) < 0)
+ exit (WGET_EXIT_IO_FAIL);
+ line_length -= (int) strlen (compiled_features[i]) + 2;
+ i++;
+ }
+ if (printf ("\n") < 0)
+ exit (WGET_EXIT_IO_FAIL);
+ }
+ if (printf ("\n") < 0)
+ exit (WGET_EXIT_IO_FAIL);
+
+ /* Print VMS-specific version info. */
+#ifdef __VMS
+ if (vms_version_supplement() < 0)
+ exit (WGET_EXIT_IO_FAIL);
+#endif /* def __VMS */
+
+ /* Handle the case when $WGETRC is unset and $HOME/.wgetrc is
+ absent. */
+ if (printf ("%s\n", wgetrc_title) < 0)
+ exit (WGET_EXIT_IO_FAIL);
+
+ env_wgetrc = wgetrc_env_file_name ();
+ if (env_wgetrc && *env_wgetrc)
+ {
+ if (printf (_(" %s (env)\n"), env_wgetrc) < 0)
+ exit (WGET_EXIT_IO_FAIL);
+ xfree (env_wgetrc);
+ }
+ user_wgetrc = wgetrc_user_file_name ();
+ if (user_wgetrc)
+ {
+ if (printf (_(" %s (user)\n"), user_wgetrc) < 0)
+ exit (WGET_EXIT_IO_FAIL);
+ xfree (user_wgetrc);
+ }
+#ifdef SYSTEM_WGETRC
+ if (printf (_(" %s (system)\n"), SYSTEM_WGETRC) < 0)
+ exit (WGET_EXIT_IO_FAIL);
+#endif
+
+#ifdef ENABLE_NLS
+ if (format_and_print_line (locale_title,
+ LOCALEDIR,
+ MAX_CHARS_PER_LINE) < 0)
+ exit (WGET_EXIT_IO_FAIL);
+#endif /* def ENABLE_NLS */
+
+ if (compilation_string != NULL)
+ if (format_and_print_line (compile_title,
+ compilation_string,
+ MAX_CHARS_PER_LINE) < 0)
+ exit (WGET_EXIT_IO_FAIL);
+
+ if (link_string != NULL)
+ if (format_and_print_line (link_title,
+ link_string,
+ MAX_CHARS_PER_LINE) < 0)
+ exit (WGET_EXIT_IO_FAIL);
+
+ if (printf ("\n") < 0)
+ exit (WGET_EXIT_IO_FAIL);
+
+ /* TRANSLATORS: When available, an actual copyright character
+ (circle-c) should be used in preference to "(C)". */
+ if (printf (_("\
+Copyright (C) %s Free Software Foundation, Inc.\n"), "2015") < 0)
+ exit (WGET_EXIT_IO_FAIL);
+ if (fputs (_("\
+License GPLv3+: GNU GPL version 3 or later\n\
+<http://www.gnu.org/licenses/gpl.html>.\n\
+This is free software: you are free to change and redistribute it.\n\
+There is NO WARRANTY, to the extent permitted by law.\n"), stdout) < 0)
+ exit (WGET_EXIT_IO_FAIL);
+ /* TRANSLATORS: When available, please use the proper diacritics for
+ names such as this one. See en_US.po for reference. */
+ if (fputs (_("\nOriginally written by Hrvoje Niksic <hniksic@xemacs.org>.\n"),
+ stdout) < 0)
+ exit (WGET_EXIT_IO_FAIL);
+ if (fputs (_("Please send bug reports and questions to <bug-wget@gnu.org>.\n"),
+ stdout) < 0)
+ exit (WGET_EXIT_IO_FAIL);
+
+ exit (WGET_EXIT_SUCCESS);
+}
+
+const char *program_name; /* Needed by lib/error.c. */
+const char *program_argstring; /* Needed by wget_warc.c. */
+struct ptimer *timer;
+int cleaned_up;
+
+int
+main (int argc, char **argv)
+{
+ char *p;
+ int i, ret, longindex;
+ int nurls;
+ int retconf;
+ int argstring_length;
+ bool use_userconfig = false;
+ bool noconfig = false;
+ bool append_to_log = false;
+
+ cleaned_up = 0; /* do cleanup later */
+
+ timer = ptimer_new ();
+ double start_time = ptimer_measure (timer);
+
+ total_downloaded_bytes = 0;
+ program_name = argv[0];
+
+ i18n_initialize ();
+
+ /* Construct the name of the executable, without the directory part. */
+#ifdef __VMS
+ /* On VMS, lose the "dev:[dir]" prefix and the ".EXE;nnn" suffix. */
+ exec_name = vms_basename (argv[0]);
+#else /* def __VMS */
+ exec_name = base_name (argv[0]);
+#endif /* def __VMS [else] */
+
+#ifdef WINDOWS
+ /* Drop extension (typically .EXE) from executable filename. */
+ windows_main ((char **) &exec_name);
+#endif
+
+ /* Construct the arguments string. */
+ for (argstring_length = 1, i = 1; i < argc; i++)
+ argstring_length += strlen (argv[i]) + 3 + 1;
+ program_argstring = p = malloc (argstring_length);
+ if (p == NULL)
+ {
+ fprintf (stderr, _("Memory allocation problem\n"));
+ exit (WGET_EXIT_PARSE_ERROR);
+ }
+ for (i = 1; i < argc; i++)
+ {
+ int arglen;
+
+ *p++ = '"';
+ arglen = strlen (argv[i]);
+ memcpy (p, argv[i], arglen);
+ p += arglen;
+ *p++ = '"';
+ *p++ = ' ';
+ }
+ *p = '\0';
+
+ /* Load the hard-coded defaults. */
+ defaults ();
+ opt.homedir = home_dir();
+
+ init_switches ();
+
+ /* This separate getopt_long is needed to find the user config file
+ option ("--config") and parse it before the other user options. */
+ longindex = -1;
+
+ while ((retconf = getopt_long (argc, argv,
+ short_options, long_options, &longindex)) != -1)
+ {
+ int confval;
+ struct cmdline_option *config_opt;
+
+ /* There is no short option for "--config". */
+ if (longindex >= 0)
+ {
+ confval = long_options[longindex].val;
+ config_opt = &option_data[confval & ~BOOLEAN_NEG_MARKER];
+ if (strcmp (config_opt->long_name, "no-config") == 0)
+ {
+ noconfig = true;
+ break;
+ }
+ else if (strcmp (config_opt->long_name, "config") == 0)
+ {
+ file_stats_t flstats;
+ use_userconfig = true;
+ memset(&flstats, 0, sizeof(flstats));
+ if (file_exists_p(optarg, &flstats) && run_wgetrc (optarg, &flstats))
+ break;
+ else
+ {
+ fprintf (stderr, _("Exiting due to error in %s\n"), optarg);
+ exit (WGET_EXIT_PARSE_ERROR);
+ }
+ }
+ }
+ }
+
+ /* If the user did not specify a config, read the system wgetrc and ~/.wgetrc. */
+ if (noconfig == false && use_userconfig == false)
+ if ((ret = initialize ()))
+ return ret;
+
+ opterr = 0;
+ optind = 0;
+
+ longindex = -1;
+ while ((ret = getopt_long (argc, argv,
+ short_options, long_options, &longindex)) != -1)
+ {
+ int val;
+ struct cmdline_option *cmdopt;
+
+ /* If LONGINDEX is unchanged, it means RET is referring a short
+ option. */
+ if (longindex == -1)
+ {
+ if (ret == '?')
+ {
+ print_usage (1);
+ fprintf (stderr, "\n");
+ fprintf (stderr, _("Try `%s --help' for more options.\n"),
+ exec_name);
+ exit (WGET_EXIT_PARSE_ERROR);
+ }
+ /* Find the short option character in the mapping. */
+ longindex = optmap[ret - 32];
+ }
+ val = long_options[longindex].val;
+
+ /* Use the retrieved value to locate the option in the
+ option_data array, and to see if we're dealing with the
+ negated "--no-FOO" variant of the boolean option "--foo". */
+ cmdopt = &option_data[val & ~BOOLEAN_NEG_MARKER];
+ switch (cmdopt->type)
+ {
+ case OPT_VALUE:
+ setoptval (cmdopt->data, optarg, cmdopt->long_name);
+ break;
+ case OPT_BOOLEAN:
+ if (optarg)
+ /* The user has specified a value -- use it. */
+ setoptval (cmdopt->data, optarg, cmdopt->long_name);
+ else
+ {
+ /* NEG is true for `--no-FOO' style boolean options. */
+ bool neg = !!(val & BOOLEAN_NEG_MARKER);
+ setoptval (cmdopt->data, neg ? "0" : "1", cmdopt->long_name);
+ }
+ break;
+ case OPT_FUNCALL:
+ {
+ void (*func) (void) = (void (*) (void)) cmdopt->data;
+ func ();
+ }
+ break;
+ case OPT__APPEND_OUTPUT:
+ setoptval ("logfile", optarg, cmdopt->long_name);
+ append_to_log = true;
+ break;
+ case OPT__EXECUTE:
+ if (optarg) /* check silences static analyzer */
+ run_command (optarg);
+ break;
+ case OPT__NO:
+ {
+ /* We support real --no-FOO flags now, but keep these
+ short options for convenience and backward
+ compatibility. */
+ for (p = optarg; p && *p; p++)
+ switch (*p)
+ {
+ case 'v':
+ setoptval ("verbose", "0", cmdopt->long_name);
+ break;
+ case 'H':
+ setoptval ("addhostdir", "0", cmdopt->long_name);
+ break;
+ case 'd':
+ setoptval ("dirstruct", "0", cmdopt->long_name);
+ break;
+ case 'c':
+ setoptval ("noclobber", "1", cmdopt->long_name);
+ break;
+ case 'p':
+ setoptval ("noparent", "1", cmdopt->long_name);
+ break;
+ default:
+ fprintf (stderr, _("%s: illegal option -- `-n%c'\n"),
+ exec_name, *p);
+ print_usage (1);
+ fprintf (stderr, "\n");
+ fprintf (stderr, _("Try `%s --help' for more options.\n"),
+ exec_name);
+ exit (WGET_EXIT_GENERIC_ERROR);
+ }
+ break;
+ }
+ case OPT__PARENT:
+ case OPT__CLOBBER:
+ {
+ /* The wgetrc commands are named noparent and noclobber,
+ so we must revert the meaning of the cmdline options
+ before passing the value to setoptval. */
+ bool flag = true;
+ if (optarg)
+ flag = (*optarg == '1' || c_tolower (*optarg) == 'y'
+ || (c_tolower (optarg[0]) == 'o'
+ && c_tolower (optarg[1]) == 'n'));
+ setoptval (cmdopt->type == OPT__PARENT ? "noparent" : "noclobber",
+ flag ? "0" : "1", cmdopt->long_name);
+ break;
+ }
+ case OPT__DONT_REMOVE_LISTING:
+ setoptval ("removelisting", "0", cmdopt->long_name);
+ break;
+ }
+
+ longindex = -1;
+ }
+
+ nurls = argc - optind;
+
+ /* Initialize logging ASAP. */
+ log_init (opt.lfilename, append_to_log);
+
+ /* If we do not have Debug support compiled in AND Wget is invoked with the
+ * --debug switch, instead of failing, we silently turn it into a no-op. For
+ * this no-op, we explicitly set opt.debug to false and hence none of the
+ * Debug output messages will be printed.
+ */
+#ifndef ENABLE_DEBUG
+ if (opt.debug)
+ {
+ fprintf (stderr, _("Debugging support not compiled in. "
+ "Ignoring --debug flag.\n"));
+ opt.debug = false;
+ }
+#endif
+
+ /* All user options have now been processed, so it's now safe to do
+ interoption dependency checks. */
+
+ if (opt.noclobber && (opt.convert_links || opt.convert_file_only))
+ {
+ fprintf (stderr,
+ opt.convert_links ?
+ _("Both --no-clobber and --convert-links were specified,"
+ " only --convert-links will be used.\n") :
+ _("Both --no-clobber and --convert-file-only were specified,"
+ " only --convert-file-only will be used.\n"));
+ opt.noclobber = false;
+ }
+
+ if (opt.reclevel == 0)
+ opt.reclevel = INFINITE_RECURSION; /* see recur.h for commentary */
+
+ if (opt.spider || opt.delete_after)
+ opt.no_dirstruct = true;
+
+ if (opt.page_requisites && !opt.recursive)
+ {
+ /* Don't set opt.recursive here because it would confuse the FTP
+ code. Instead, call retrieve_tree below when either
+ page_requisites or recursive is requested. */
+ opt.reclevel = 0;
+ if (!opt.no_dirstruct)
+ opt.dirstruct = 1; /* normally handled by cmd_spec_recursive() */
+ }
+
+ if (opt.verbose == -1)
+ opt.verbose = !opt.quiet;
+
+ if (!opt.verbose && opt.show_progress == -1)
+ opt.show_progress = false;
+
+ if (opt.quiet && opt.show_progress == -1)
+ opt.show_progress = false;
+
+ /* Sanity checks. */
+ if (opt.verbose && opt.quiet)
+ {
+ fprintf (stderr, _("Can't be verbose and quiet at the same time.\n"));
+ print_usage (1);
+ exit (WGET_EXIT_GENERIC_ERROR);
+ }
+ if (opt.timestamping && opt.noclobber)
+ {
+ fprintf (stderr, _("\
+Can't timestamp and not clobber old files at the same time.\n"));
+ print_usage (1);
+ exit (WGET_EXIT_GENERIC_ERROR);
+ }
+#ifdef ENABLE_IPV6
+ if (opt.ipv4_only && opt.ipv6_only)
+ {
+ fprintf (stderr,
+ _("Cannot specify both --inet4-only and --inet6-only.\n"));
+ print_usage (1);
+ exit (WGET_EXIT_GENERIC_ERROR);
+ }
+#endif
+ if (opt.output_document)
+ {
+ if ((opt.convert_links || opt.convert_file_only)
+ && (nurls > 1 || opt.page_requisites || opt.recursive))
+ {
+ fputs (_("\
+Cannot specify both -k or --convert-file-only and -O if multiple URLs are given, or in combination\n\
+with -p or -r. See the manual for details.\n\n"), stderr);
+ print_usage (1);
+ exit (WGET_EXIT_GENERIC_ERROR);
+ }
+ if (opt.page_requisites
+ || opt.recursive)
+ {
+ logprintf (LOG_NOTQUIET, "%s", _("\
+WARNING: combining -O with -r or -p will mean that all downloaded content\n\
+will be placed in the single file you specified.\n\n"));
+ }
+ if (opt.timestamping)
+ {
+ logprintf (LOG_NOTQUIET, "%s", _("\
+WARNING: timestamping does nothing in combination with -O. See the manual\n\
+for details.\n\n"));
+ opt.timestamping = false;
+ }
+ if (opt.noclobber && file_exists_p(opt.output_document, NULL))
+ {
+ /* Check if output file exists; if it does, exit. */
+ logprintf (LOG_VERBOSE,
+ _("File %s already there; not retrieving.\n"),
+ quote (opt.output_document));
+ exit (WGET_EXIT_GENERIC_ERROR);
+ }
+ }
+
+ if (opt.warc_filename != 0)
+ {
+ if (opt.noclobber)
+ {
+ fprintf (stderr,
+ _("WARC output does not work with --no-clobber, "
+ "--no-clobber will be disabled.\n"));
+ opt.noclobber = false;
+ }
+ if (opt.timestamping)
+ {
+ fprintf (stderr,
+ _("WARC output does not work with timestamping, "
+ "timestamping will be disabled.\n"));
+ opt.timestamping = false;
+ }
+ if (opt.spider)
+ {
+ fprintf (stderr,
+ _("WARC output does not work with --spider.\n"));
+ exit (WGET_EXIT_GENERIC_ERROR);
+ }
+ if (opt.always_rest || opt.start_pos >= 0)
+ {
+ fprintf (stderr,
+ _("WARC output does not work with --continue or"
+ " --start-pos, they will be disabled.\n"));
+ opt.always_rest = false;
+ opt.start_pos = -1;
+ }
+ if (opt.warc_cdx_dedup_filename != 0 && !opt.warc_digests_enabled)
+ {
+ fprintf (stderr,
+ _("Digests are disabled; WARC deduplication will "
+ "not find duplicate records.\n"));
+ }
+ if (opt.warc_keep_log)
+ {
+ opt.progress_type = xstrdup ("dot");
+ }
+ }
+
+#ifdef HAVE_LIBZ
+ if (opt.always_rest || opt.start_pos >= 0)
+ {
+ if (opt.compression == compression_auto)
+ {
+ /* Compression does not work with --continue or --start-pos.
+ Since compression was not explicitly set, it will be disabled. */
+ opt.compression = compression_none;
+ }
+ else if (opt.compression != compression_none)
+ {
+ fprintf (stderr,
+ _("Compression does not work with --continue or"
+ " --start-pos, they will be disabled.\n"));
+ opt.always_rest = false;
+ opt.start_pos = -1;
+ }
+ }
+#endif
+
+ if (opt.ask_passwd && opt.passwd)
+ {
+ fprintf (stderr,
+ _("Cannot specify both --ask-password and --password.\n"));
+ print_usage (1);
+ exit (WGET_EXIT_GENERIC_ERROR);
+ }
+
+ if (opt.ask_passwd && !(opt.user || opt.http_user || opt.ftp_user))
+ {
+ fprintf(stderr,
+ _("WARNING: No username set with --ask-password. This is usually not what you want.\n"));
+ }
+
+ if (opt.start_pos >= 0 && opt.always_rest)
+ {
+ fprintf (stderr,
+ _("Specifying both --start-pos and --continue is not "
+ "recommended; --continue will be disabled.\n"));
+ opt.always_rest = false;
+ }
+
+ if (!nurls && !opt.input_filename
+#ifdef HAVE_METALINK
+ && !opt.input_metalink
+#endif
+ )
+ {
+ /* No URL specified. */
+#ifndef TESTING
+ fprintf (stderr, _("%s: missing URL\n"), exec_name);
+ print_usage (1);
+ fprintf (stderr, "\n");
+ /* #### Something nicer should be printed here -- similar to the
+ pre-1.5 `--help' page. */
+ fprintf (stderr, _("Try `%s --help' for more options.\n"), exec_name);
+#endif
+ exit (WGET_EXIT_GENERIC_ERROR);
+ }
+
+ /* Compile the regular expressions. */
+ switch (opt.regex_type)
+ {
+#ifdef HAVE_LIBPCRE2
+ case regex_type_pcre:
+ opt.regex_compile_fun = compile_pcre2_regex;
+ opt.regex_match_fun = match_pcre2_regex;
+ break;
+#endif
+#ifdef HAVE_LIBPCRE
+ case regex_type_pcre:
+ opt.regex_compile_fun = compile_pcre_regex;
+ opt.regex_match_fun = match_pcre_regex;
+ break;
+#endif
+
+ case regex_type_posix:
+ default:
+ opt.regex_compile_fun = compile_posix_regex;
+ opt.regex_match_fun = match_posix_regex;
+ break;
+ }
+ if (opt.acceptregex_s)
+ {
+ opt.acceptregex = opt.regex_compile_fun (opt.acceptregex_s);
+ if (!opt.acceptregex)
+ exit (WGET_EXIT_GENERIC_ERROR);
+ }
+ if (opt.rejectregex_s)
+ {
+ opt.rejectregex = opt.regex_compile_fun (opt.rejectregex_s);
+ if (!opt.rejectregex)
+ exit (WGET_EXIT_GENERIC_ERROR);
+ }
+ if (opt.post_data || opt.post_file_name)
+ {
+ if (opt.post_data && opt.post_file_name)
+ {
+ fprintf (stderr, _("You cannot specify both --post-data and --post-file.\n"));
+ exit (WGET_EXIT_GENERIC_ERROR);
+ }
+ else if (opt.method)
+ {
+ fprintf (stderr, _("You cannot use --post-data or --post-file along with --method. "
+ "--method expects data through --body-data and --body-file options\n"));
+ exit (WGET_EXIT_GENERIC_ERROR);
+ }
+ }
+ if (opt.body_data || opt.body_file)
+ {
+ if (!opt.method)
+ {
+ fprintf (stderr, _("You must specify a method through --method=HTTPMethod "
+ "to use with --body-data or --body-file.\n"));
+ exit (WGET_EXIT_GENERIC_ERROR);
+ }
+ else if (opt.body_data && opt.body_file)
+ {
+ fprintf (stderr, _("You cannot specify both --body-data and --body-file.\n"));
+ exit (WGET_EXIT_GENERIC_ERROR);
+ }
+ }
+
+ /* Set various options as required for opt.method. */
+
+ /* When user specifies HEAD as the method, we do not wish to download any
+ files. Hence, set wget to run in spider mode. */
+ if (opt.method && c_strcasecmp (opt.method, "HEAD") == 0)
+ setoptval ("spider", "1", "spider");
+
+ /* Convert post_data to body-data and post_file_name to body-file options.
+ This is required so as to remove redundant code later on in gethttp().
+ The --post-data and --post-file options may also be removed in
+ the future hence it makes sense to convert them to aliases for
+ the more generic --method options.
+ This MUST occur only after the sanity checks so as to prevent the
+ user from setting both post and body options simultaneously.
+ */
+ if (opt.post_data || opt.post_file_name)
+ {
+ setoptval ("method", "POST", "method");
+ if (opt.post_data)
+ {
+ setoptval ("bodydata", opt.post_data, "body-data");
+ xfree(opt.post_data);
+ }
+ else
+ {
+ setoptval ("bodyfile", opt.post_file_name, "body-file");
+ xfree(opt.post_file_name);
+ }
+ }
+
+#ifdef ENABLE_IRI
+ if (opt.enable_iri)
+ {
+ if (opt.locale && !check_encoding_name (opt.locale))
+ xfree (opt.locale);
+
+ if (!opt.locale)
+ opt.locale = find_locale ();
+
+ if (opt.encoding_remote && !check_encoding_name (opt.encoding_remote))
+ xfree (opt.encoding_remote);
+ }
+#else
+ memset (&dummy_iri, 0, sizeof (dummy_iri));
+ if (opt.enable_iri || opt.locale || opt.encoding_remote)
+ {
+ /* sXXXav : be more specific... */
+ fprintf (stderr, _("This version does not have support for IRIs\n"));
+ exit (WGET_EXIT_GENERIC_ERROR);
+ }
+#endif
+
+ if (opt.ask_passwd)
+ {
+ opt.passwd = prompt_for_password ();
+
+ if (opt.passwd == NULL || opt.passwd[0] == '\0')
+ exit (WGET_EXIT_GENERIC_ERROR);
+ }
+
+ if (opt.use_askpass)
+ {
+ if (opt.use_askpass[0] == '\0')
+ {
+ fprintf (stderr,
+ _("use-askpass requires a string or either environment variable WGET_ASKPASS or SSH_ASKPASS to be set.\n"));
+ exit (WGET_EXIT_GENERIC_ERROR);
+ }
+ }
+
+#ifdef USE_WATT32
+ if (opt.wdebug)
+ dbug_init();
+ sock_init();
+#elif ! defined TESTING
+ if (opt.background)
+ {
+ bool logfile_changed = fork_to_background ();
+
+ if (logfile_changed)
+ log_init (opt.lfilename, append_to_log);
+ }
+#endif
+
+ /* Initialize progress. Have to do this after the options are
+ processed so we know where the log file is. */
+ if (opt.show_progress)
+ set_progress_implementation (opt.progress_type);
+
+ /* Open WARC file. */
+ if (opt.warc_filename != 0)
+ warc_init ();
+
+ DEBUGP (("DEBUG output created by Wget %s on %s.\n\n",
+ version_string, OS_TYPE));
+
+ /* Open the output filename if necessary. */
+
+/* 2005-04-17 SMS.
+ Note that having the output_stream ("-O") file opened here for an FTP
+ URL rather than in getftp() (ftp.c) (and the http equivalent) rather
+ limits the ability in VMS to open the file differently for ASCII
+ versus binary FTP there. (Of course, doing it here allows a open
+ failure to be detected immediately, without first connecting to the
+ server.)
+*/
+ if (opt.output_document)
+ {
+ if (HYPHENP (opt.output_document))
+ {
+#ifdef WINDOWS
+ _setmode (_fileno (stdout), _O_BINARY);
+#endif
+ output_stream = stdout;
+ }
+ else
+ {
+ struct stat st;
+
+#ifdef __VMS
+/* Common fopen() optional arguments:
+ sequential access only, access callback function.
+*/
+# define FOPEN_OPT_ARGS , "fop=sqo", "acc", acc_cb, &open_id
+ int open_id = 7;
+#else /* def __VMS */
+# define FOPEN_OPT_ARGS
+#endif /* def __VMS [else] */
+
+ output_stream = fopen (opt.output_document,
+ opt.always_rest ? "ab" : "wb"
+ FOPEN_OPT_ARGS);
+ if (output_stream == NULL)
+ {
+ perror (opt.output_document);
+ exit (WGET_EXIT_GENERIC_ERROR);
+ }
+ if (fstat (fileno (output_stream), &st) == 0 && S_ISREG (st.st_mode))
+ output_stream_regular = true;
+ }
+ if (!output_stream_regular && (opt.convert_links || opt.recursive))
+ {
+ fprintf (stderr, _("-k or -r can be used together with -O only if \
+outputting to a regular file.\n"));
+ exit (WGET_EXIT_GENERIC_ERROR);
+ }
+ if (!output_stream_regular && (opt.convert_links || opt.convert_file_only))
+ {
+ fprintf (stderr, _("--convert-links or --convert-file-only can be used together \
+only if outputting to a regular file.\n"));
+ exit (WGET_EXIT_GENERIC_ERROR);
+ }
+ }
+
+#ifdef HAVE_LIBCARES
+ if (opt.bind_dns_address || opt.dns_servers)
+ {
+ if (ares_library_init (ARES_LIB_INIT_ALL))
+ {
+ fprintf (stderr, _("Failed to init libcares\n"));
+ exit (WGET_EXIT_GENERIC_ERROR);
+ }
+
+ if (ares_init (&ares) != ARES_SUCCESS)
+ {
+ fprintf (stderr, _("Failed to init c-ares channel\n"));
+ exit (WGET_EXIT_GENERIC_ERROR);
+ }
+
+ if (opt.bind_dns_address)
+ {
+ struct in_addr a4;
+#ifdef ENABLE_IPV6
+ struct in6_addr a6;
+#endif
+
+ if (inet_pton (AF_INET, opt.bind_dns_address, &a4) == 1)
+ {
+ ares_set_local_ip4 (ares, ntohl (a4.s_addr));
+ }
+#ifdef ENABLE_IPV6
+ else if (inet_pton (AF_INET6, opt.bind_dns_address, &a6) == 1)
+ {
+ ares_set_local_ip6 (ares, (unsigned char *) &a6);
+ }
+#endif
+ else
+ {
+ fprintf (stderr, _("Failed to parse IP address '%s'\n"), opt.bind_dns_address);
+ exit (WGET_EXIT_GENERIC_ERROR);
+ }
+ }
+
+ if (opt.dns_servers)
+ {
+ int result;
+
+ if ((result = ares_set_servers_csv (ares, opt.dns_servers)) != ARES_SUCCESS)
+ {
+ fprintf (stderr, _("Failed to set DNS server(s) '%s' (%d)\n"), opt.dns_servers, result);
+ exit (WGET_EXIT_GENERIC_ERROR);
+ }
+ }
+ }
+#endif
+
+#ifdef __VMS
+ /* Set global ODS5 flag according to the specified destination (if
+ any), otherwise according to the current default device.
+ */
+ if (output_stream == NULL)
+ set_ods5_dest( "SYS$DISK");
+ else if (output_stream != stdout)
+ set_ods5_dest( opt.output_document);
+#endif /* def __VMS */
+
+#ifdef WINDOWS
+ ws_startup ();
+#endif
+
+#ifdef SIGHUP
+ /* Setup the signal handler to redirect output when hangup is
+ received. */
+ if (signal(SIGHUP, SIG_IGN) != SIG_IGN)
+ signal(SIGHUP, redirect_output_signal);
+#endif
+ /* ...and do the same for SIGUSR1. */
+#ifdef SIGUSR1
+ signal (SIGUSR1, redirect_output_signal);
+#endif
+#ifdef SIGPIPE
+ /* Writing to a closed socket normally signals SIGPIPE, and the
+ process exits. What we want is to ignore SIGPIPE and just check
+ for the return value of write(). */
+ signal (SIGPIPE, SIG_IGN);
+#endif
+#ifdef SIGWINCH
+ signal (SIGWINCH, progress_handle_sigwinch);
+#endif
+
+#ifdef HAVE_HSTS
+ /* Load the HSTS database.
+ Maybe all the URLs are FTP(S), in which case HSTS would not be needed,
+ but this is the best place to do it, and it shouldn't be a critical
+ performance hit.
+ */
+ if (opt.hsts)
+ load_hsts ();
+#endif
+
+ /* Retrieve the URLs from argument list. */
+ for (i = 0; i < nurls; i++, optind++)
+ {
+ char *t;
+ char *filename = NULL, *redirected_URL = NULL;
+ int dt = 0, url_err;
+ /* Need to do a new struct iri every time, because
+ * retrieve_url may modify it in some circumstances,
+ * currently. */
+ struct iri *iri = iri_new ();
+ struct url *url_parsed;
+
+ t = rewrite_shorthand_url (argv[optind]);
+ if (!t)
+ t = argv[optind];
+
+ set_uri_encoding (iri, opt.locale, true);
+ url_parsed = url_parse (t, &url_err, iri, true);
+
+ if (!url_parsed)
+ {
+ char *error = url_error (t, url_err);
+ logprintf (LOG_NOTQUIET, "%s: %s.\n",t, error);
+ xfree (error);
+ inform_exit_status (URLERROR);
+ }
+ else
+ {
+ /* Request credentials if use_askpass is set. */
+ if (opt.use_askpass)
+ use_askpass (url_parsed);
+
+ if ((opt.recursive || opt.page_requisites)
+ && ((url_scheme (t) != SCHEME_FTP
+#ifdef HAVE_SSL
+ && url_scheme (t) != SCHEME_FTPS
+#endif
+ )
+ || url_uses_proxy (url_parsed)))
+ {
+ int old_follow_ftp = opt.follow_ftp;
+
+ /* Turn opt.follow_ftp on in case of recursive FTP retrieval */
+ if (url_scheme (t) == SCHEME_FTP
+#ifdef HAVE_SSL
+ || url_scheme (t) == SCHEME_FTPS
+#endif
+ )
+ opt.follow_ftp = 1;
+
+ retrieve_tree (url_parsed, NULL);
+
+ opt.follow_ftp = old_follow_ftp;
+ }
+ else
+ {
+ retrieve_url (url_parsed, t, &filename, &redirected_URL, NULL,
+ &dt, opt.recursive, iri, true);
+ }
+
+ if (opt.delete_after && filename != NULL && file_exists_p (filename, NULL))
+ {
+ DEBUGP (("Removing file due to --delete-after in main():\n"));
+ logprintf (LOG_VERBOSE, _("Removing %s.\n"), filename);
+ if (unlink (filename))
+ logprintf (LOG_NOTQUIET, "unlink: %s\n", strerror (errno));
+ }
+ xfree (redirected_URL);
+ xfree (filename);
+ url_free (url_parsed);
+ }
+
+ iri_free (iri);
+
+ if (t != argv[optind])
+ xfree (t);
+ }
+
+ /* And then from the input file, if any. */
+ if (opt.input_filename)
+ {
+ int count;
+ int status;
+ status = retrieve_from_file (opt.input_filename, opt.force_html, &count);
+ inform_exit_status (status);
+ if (!count)
+ logprintf (LOG_NOTQUIET, _("No URLs found in %s.\n"),
+ opt.input_filename);
+ }
+
+#ifdef HAVE_METALINK
+ /* Finally, from metlink file, if any. */
+ if (opt.input_metalink)
+ {
+ metalink_error_t meta_err;
+ uerr_t retr_err;
+ metalink_t *metalink;
+
+ meta_err = metalink_parse_file (opt.input_metalink, &metalink);
+
+ if (meta_err)
+ {
+ logprintf (LOG_NOTQUIET, _("Unable to parse metalink file %s.\n"),
+ opt.input_metalink);
+ retr_err = METALINK_PARSE_ERROR;
+ }
+ else
+ {
+ /* We need to sort the resources if preferred location
+ was specified by the user. */
+ if (opt.preferred_location && opt.preferred_location[0])
+ {
+ metalink_file_t **mfile_ptr;
+ for (mfile_ptr = metalink->files; *mfile_ptr; mfile_ptr++)
+ {
+ metalink_resource_t **mres_ptr;
+ metalink_file_t *mfile = *mfile_ptr;
+ size_t mres_count = 0;
+
+ for (mres_ptr = mfile->resources; *mres_ptr; mres_ptr++)
+ mres_count++;
+
+ stable_sort (mfile->resources,
+ mres_count,
+ sizeof (metalink_resource_t *),
+ metalink_res_cmp);
+ }
+ }
+ retr_err = retrieve_from_metalink (metalink);
+ if (retr_err != RETROK)
+ {
+ logprintf (LOG_NOTQUIET,
+ _("Could not download all resources from %s.\n"),
+ quote (opt.input_metalink));
+ }
+ metalink_delete (metalink);
+ }
+ inform_exit_status (retr_err);
+ }
+#endif /* HAVE_METALINK */
+
+ /* Print broken links. */
+ if (opt.recursive && opt.spider)
+ print_broken_links ();
+
+ /* Print the downloaded sum. */
+ if ((opt.recursive || opt.page_requisites
+ || nurls > 1
+ || (opt.input_filename && total_downloaded_bytes != 0))
+ &&
+ total_downloaded_bytes != 0)
+ {
+ double end_time = ptimer_measure (timer);
+ char *wall_time = xstrdup (secs_to_human_time (end_time - start_time));
+ char *download_time = xstrdup (secs_to_human_time (total_download_time));
+
+ ptimer_destroy (timer); timer = NULL;
+
+ logprintf (LOG_NOTQUIET,
+ _("FINISHED --%s--\nTotal wall clock time: %s\n"
+ "Downloaded: %d files, %s in %s (%s)\n"),
+ datetime_str (time (NULL)),
+ wall_time,
+ numurls,
+ human_readable (total_downloaded_bytes, 10, 1),
+ download_time,
+ retr_rate (total_downloaded_bytes, total_download_time));
+ xfree (wall_time);
+ xfree (download_time);
+
+ /* Print quota warning, if exceeded. */
+ if (opt.quota && total_downloaded_bytes > opt.quota)
+ logprintf (LOG_NOTQUIET,
+ _("Download quota of %s EXCEEDED!\n"),
+ human_readable (opt.quota, 10, 1));
+ }
+
+ if (opt.cookies_output)
+ save_cookies ();
+
+#ifdef HAVE_HSTS
+ if (opt.hsts && hsts_store)
+ save_hsts ();
+#endif
+
+ if ((opt.convert_links || opt.convert_file_only) && !opt.delete_after)
+ convert_all_links ();
+
+ cleanup ();
+
+ exit (get_exit_status ());
+}
+
+/*
+ * vim: et ts=2 sw=2
+ */
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-18 15:53:10 +0000