/* HTTP support.
Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
- 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
+ 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
This file is part of GNU Wget.
extern char *version_string;
/* Forward decls. */
+struct http_stat;
static char *create_authorization_line (const char *, const char *,
const char *, const char *,
const char *, bool *);
static char *basic_authentication_encode (const char *, const char *);
static bool known_authentication_scheme_p (const char *, const char *);
+static void ensure_extension (struct http_stat *, const char *, int *);
static void load_cookies (void);
#ifndef MIN
#define TEXTHTML_S "text/html"
#define TEXTXHTML_S "application/xhtml+xml"
+#define TEXTCSS_S "text/css"
/* Some status code validation macros: */
#define H_20X(x) (((x) >= 200) && ((x) < 300))
int hcount, hcapacity;
};
+extern int numurls;
+
/* Create a new, empty request. At least request_set_method must be
called before the request can be used. */
user = user ? user : (opt.http_user ? opt.http_user : opt.user);
passwd = passwd ? passwd : (opt.http_passwd ? opt.http_passwd : opt.passwd);
- if (user && passwd
- && !u->user) /* We only do "site-wide" authentication with "global"
- user/password values; URL user/password info overrides. */
+ /* We only do "site-wide" authentication with "global" user/password
+ * values unless --auth-no-challange has been requested; URL user/password
+ * info overrides. */
+ if (user && passwd && (!u->user || opt.auth_without_challenge))
{
/* If this is a host for which we've already received a Basic
* challenge, we'll go ahead and send Basic authentication creds. */
print_server_response (resp, " ");
}
+ /* Check for keep-alive related responses. */
+ if (!inhibit_keep_alive && contlen != -1)
+ {
+ if (resp_header_copy (resp, "Keep-Alive", NULL, 0))
+ keep_alive = true;
+ else if (resp_header_copy (resp, "Connection", hdrval, sizeof (hdrval)))
+ {
+ if (0 == strcasecmp (hdrval, "Keep-Alive"))
+ keep_alive = true;
+ }
+ }
+
+ if (keep_alive)
+ /* The server has promised that it will not close the connection
+ when we're done. This means that we can register it. */
+ register_persistent (conn->host, conn->port, sock, using_ssl);
+
+ if (statcode == HTTP_STATUS_UNAUTHORIZED)
+ {
+ /* Authorization is required. */
+ if (keep_alive && !head_only && skip_short_body (sock, contlen))
+ CLOSE_FINISH (sock);
+ else
+ CLOSE_INVALIDATE (sock);
+ pconn.authorized = false;
+ if (!auth_finished && (user && passwd))
+ {
+ /* IIS sends multiple copies of WWW-Authenticate, one with
+ the value "negotiate", and other(s) with data. Loop over
+ all the occurrences and pick the one we recognize. */
+ int wapos;
+ const char *wabeg, *waend;
+ char *www_authenticate = NULL;
+ for (wapos = 0;
+ (wapos = resp_header_locate (resp, "WWW-Authenticate", wapos,
+ &wabeg, &waend)) != -1;
+ ++wapos)
+ if (known_authentication_scheme_p (wabeg, waend))
+ {
+ BOUNDED_TO_ALLOCA (wabeg, waend, www_authenticate);
+ break;
+ }
+
+ if (!www_authenticate)
+ {
+ /* If the authentication header is missing or
+ unrecognized, there's no sense in retrying. */
+ logputs (LOG_NOTQUIET, _("Unknown authentication scheme.\n"));
+ }
+ else if (!basic_auth_finished
+ || !BEGINS_WITH (www_authenticate, "Basic"))
+ {
+ char *pth;
+ pth = url_full_path (u);
+ request_set_header (req, "Authorization",
+ create_authorization_line (www_authenticate,
+ user, passwd,
+ request_method (req),
+ pth,
+ &auth_finished),
+ rel_value);
+ if (BEGINS_WITH (www_authenticate, "NTLM"))
+ ntlm_seen = true;
+ else if (!u->user && BEGINS_WITH (www_authenticate, "Basic"))
+ {
+ /* Need to register this host as using basic auth,
+ * so we automatically send creds next time. */
+ register_basic_auth_host (u->host);
+ }
+ xfree (pth);
+ goto retry_with_auth;
+ }
+ else
+ {
+ /* We already did Basic auth, and it failed. Gotta
+ * give up. */
+ }
+ }
+ logputs (LOG_NOTQUIET, _("Authorization failed.\n"));
+ request_free (req);
+ return AUTHFAILED;
+ }
+ else /* statcode != HTTP_STATUS_UNAUTHORIZED */
+ {
+ /* Kludge: if NTLM is used, mark the TCP connection as authorized. */
+ if (ntlm_seen)
+ pconn.authorized = true;
+ }
+
/* Determine the local filename if needed. Notice that if -O is used
* hstat.local_file is set by http_loop to the argument of -O. */
if (!hs->local_file)
contlen = parsed;
}
- /* Check for keep-alive related responses. */
- if (!inhibit_keep_alive && contlen != -1)
- {
- if (resp_header_copy (resp, "Keep-Alive", NULL, 0))
- keep_alive = true;
- else if (resp_header_copy (resp, "Connection", hdrval, sizeof (hdrval)))
- {
- if (0 == strcasecmp (hdrval, "Keep-Alive"))
- keep_alive = true;
- }
- }
- if (keep_alive)
- /* The server has promised that it will not close the connection
- when we're done. This means that we can register it. */
- register_persistent (conn->host, conn->port, sock, using_ssl);
-
- if (statcode == HTTP_STATUS_UNAUTHORIZED)
- {
- /* Authorization is required. */
- if (keep_alive && !head_only && skip_short_body (sock, contlen))
- CLOSE_FINISH (sock);
- else
- CLOSE_INVALIDATE (sock);
- pconn.authorized = false;
- if (!auth_finished && (user && passwd))
- {
- /* IIS sends multiple copies of WWW-Authenticate, one with
- the value "negotiate", and other(s) with data. Loop over
- all the occurrences and pick the one we recognize. */
- int wapos;
- const char *wabeg, *waend;
- char *www_authenticate = NULL;
- for (wapos = 0;
- (wapos = resp_header_locate (resp, "WWW-Authenticate", wapos,
- &wabeg, &waend)) != -1;
- ++wapos)
- if (known_authentication_scheme_p (wabeg, waend))
- {
- BOUNDED_TO_ALLOCA (wabeg, waend, www_authenticate);
- break;
- }
-
- if (!www_authenticate)
- {
- /* If the authentication header is missing or
- unrecognized, there's no sense in retrying. */
- logputs (LOG_NOTQUIET, _("Unknown authentication scheme.\n"));
- }
- else if (!basic_auth_finished
- || !BEGINS_WITH (www_authenticate, "Basic"))
- {
- char *pth;
- pth = url_full_path (u);
- request_set_header (req, "Authorization",
- create_authorization_line (www_authenticate,
- user, passwd,
- request_method (req),
- pth,
- &auth_finished),
- rel_value);
- if (BEGINS_WITH (www_authenticate, "NTLM"))
- ntlm_seen = true;
- else if (!u->user && BEGINS_WITH (www_authenticate, "Basic"))
- {
- /* Need to register this host as using basic auth,
- * so we automatically send creds next time. */
- register_basic_auth_host (u->host);
- }
- xfree (pth);
- goto retry_with_auth;
- }
- else
- {
- /* We already did Basic auth, and it failed. Gotta
- * give up. */
- }
- }
- logputs (LOG_NOTQUIET, _("Authorization failed.\n"));
- request_free (req);
- return AUTHFAILED;
- }
- else /* statcode != HTTP_STATUS_UNAUTHORIZED */
- {
- /* Kludge: if NTLM is used, mark the TCP connection as authorized. */
- if (ntlm_seen)
- pconn.authorized = true;
- }
request_free (req);
hs->statcode = statcode;
else
*dt &= ~TEXTHTML;
- if (opt.html_extension && (*dt & TEXTHTML))
- /* -E / --html-extension / html_extension = on was specified, and this is a
- text/html file. If some case-insensitive variation on ".htm[l]" isn't
- already the file's suffix, tack on ".html". */
- {
- char *last_period_in_local_filename = strrchr (hs->local_file, '.');
+ if (type &&
+ 0 == strncasecmp (type, TEXTCSS_S, strlen (TEXTCSS_S)))
+ *dt |= TEXTCSS;
+ else
+ *dt &= ~TEXTCSS;
- if (last_period_in_local_filename == NULL
- || !(0 == strcasecmp (last_period_in_local_filename, ".htm")
- || 0 == strcasecmp (last_period_in_local_filename, ".html")))
+ if (opt.html_extension)
+ {
+ if (*dt & TEXTHTML)
+ /* -E / --html-extension / html_extension = on was specified,
+ and this is a text/html file. If some case-insensitive
+ variation on ".htm[l]" isn't already the file's suffix,
+ tack on ".html". */
{
- int local_filename_len = strlen (hs->local_file);
- /* Resize the local file, allowing for ".html" preceded by
- optional ".NUMBER". */
- hs->local_file = xrealloc (hs->local_file,
- local_filename_len + 24 + sizeof (".html"));
- strcpy(hs->local_file + local_filename_len, ".html");
- /* If clobbering is not allowed and the file, as named,
- exists, tack on ".NUMBER.html" instead. */
- if (!ALLOW_CLOBBER && file_exists_p (hs->local_file))
- {
- int ext_num = 1;
- do
- sprintf (hs->local_file + local_filename_len,
- ".%d.html", ext_num++);
- while (file_exists_p (hs->local_file));
- }
- *dt |= ADDED_HTML_EXTENSION;
+ ensure_extension (hs, ".html", dt);
+ }
+ else if (*dt & TEXTCSS)
+ {
+ ensure_extension (hs, ".css", dt);
}
}
- if (statcode == HTTP_STATUS_RANGE_NOT_SATISFIABLE)
+ if (statcode == HTTP_STATUS_RANGE_NOT_SATISFIABLE
+ || (hs->restval > 0 && statcode == HTTP_STATUS_OK
+ && contrange == 0 && hs->restval >= contlen)
+ )
{
/* If `-c' is in use and the file has been fully downloaded (or
the remote file has shrunk), Wget effectively requests bytes
- after the end of file and the server response with 416. */
+ after the end of file and the server response with 416
+ (or 200 with a <= Content-Length. */
logputs (LOG_VERBOSE, _("\
\n The file is already fully retrieved; nothing to do.\n\n"));
/* In case the caller inspects. */
logprintf (LOG_NONVERBOSE,
_("%s URL:%s %2d %s\n"),
tms, u->url, hstat.statcode,
- hstat.message ? escnonprint (hstat.message) : "");
+ hstat.message ? quotearg_style (escape_quoting_style, hstat.message) : "");
goto exit;
}
}
&& ((hstat.len == hstat.contlen) ||
((hstat.res == 0) && (hstat.contlen == -1))))
{
- /* #### This code repeats in http.c and ftp.c. Move it to a
- function! */
const char *fl = NULL;
- if (opt.output_document)
- {
- if (output_stream_regular)
- fl = opt.output_document;
- }
- else
- fl = hstat.local_file;
+ set_local_file (&fl, hstat.local_file);
if (fl)
{
time_t newtmr = -1;
{
if (*dt & RETROKF)
{
+ bool write_to_stdout = (opt.output_document && HYPHENP (opt.output_document));
+
logprintf (LOG_VERBOSE,
- _("%s (%s) - %s saved [%s/%s]\n\n"),
- tms, tmrate, quote (hstat.local_file),
+ write_to_stdout
+ ? _("%s (%s) - written to stdout %s[%s/%s]\n\n")
+ : _("%s (%s) - %s saved [%s/%s]\n\n"),
+ tms, tmrate,
+ write_to_stdout ? "" : quote (hstat.local_file),
number_to_static_string (hstat.len),
number_to_static_string (hstat.contlen));
logprintf (LOG_NONVERBOSE,
number_to_static_string (hstat.contlen),
hstat.local_file, count);
}
- ++opt.numurls;
+ ++numurls;
total_downloaded_bytes += hstat.len;
/* Remember that we downloaded the file for later ".orig" code. */
{
if (*dt & RETROKF)
{
+ bool write_to_stdout = (opt.output_document && HYPHENP (opt.output_document));
+
logprintf (LOG_VERBOSE,
- _("%s (%s) - %s saved [%s]\n\n"),
- tms, tmrate, quote (hstat.local_file),
+ write_to_stdout
+ ? _("%s (%s) - written to stdout %s[%s]\n\n")
+ : _("%s (%s) - %s saved [%s]\n\n"),
+ tms, tmrate,
+ write_to_stdout ? "" : quote (hstat.local_file),
number_to_static_string (hstat.len));
logprintf (LOG_NONVERBOSE,
"%s URL:%s [%s] -> \"%s\" [%d]\n",
tms, u->url, number_to_static_string (hstat.len),
hstat.local_file, count);
}
- ++opt.numurls;
+ ++numurls;
total_downloaded_bytes += hstat.len;
/* Remember that we downloaded the file for later ".orig" code. */
Netscape cookie specification.) */
};
const char *oldlocale;
+ char savedlocale[256];
size_t i;
time_t ret = (time_t) -1;
non-English locales, which we work around by temporarily setting
locale to C before invoking strptime. */
oldlocale = setlocale (LC_TIME, NULL);
+ if (oldlocale)
+ {
+ size_t l = strlen (oldlocale);
+ if (l >= sizeof savedlocale)
+ savedlocale[0] = '\0';
+ else
+ memcpy (savedlocale, oldlocale, l);
+ }
+ else savedlocale[0] = '\0';
+
setlocale (LC_TIME, "C");
for (i = 0; i < countof (time_formats); i++)
}
/* Restore the previous locale. */
- setlocale (LC_TIME, oldlocale);
+ if (savedlocale[0])
+ setlocale (LC_TIME, savedlocale);
return ret;
}
cookie_jar_delete (wget_cookie_jar);
}
+void
+ensure_extension (struct http_stat *hs, const char *ext, int *dt)
+{
+ char *last_period_in_local_filename = strrchr (hs->local_file, '.');
+ char shortext[8];
+ int len = strlen (ext);
+ if (len == 5)
+ {
+ strncpy (shortext, ext, len - 1);
+ shortext[len - 2] = '\0';
+ }
+
+ if (last_period_in_local_filename == NULL
+ || !(0 == strcasecmp (last_period_in_local_filename, shortext)
+ || 0 == strcasecmp (last_period_in_local_filename, ext)))
+ {
+ int local_filename_len = strlen (hs->local_file);
+ /* Resize the local file, allowing for ".html" preceded by
+ optional ".NUMBER". */
+ hs->local_file = xrealloc (hs->local_file,
+ local_filename_len + 24 + len);
+ strcpy (hs->local_file + local_filename_len, ext);
+ /* If clobbering is not allowed and the file, as named,
+ exists, tack on ".NUMBER.html" instead. */
+ if (!ALLOW_CLOBBER && file_exists_p (hs->local_file))
+ {
+ int ext_num = 1;
+ do
+ sprintf (hs->local_file + local_filename_len,
+ ".%d%s", ext_num++, ext);
+ while (file_exists_p (hs->local_file));
+ }
+ *dt |= ADDED_HTML_EXTENSION;
+ }
+}
+
#ifdef TESTING
projects / wget / blobdiff