X-Git-Url: http://sjero.net/git/?p=wget;a=blobdiff_plain;f=src%2Frecur.c;h=66ef2e0fd9b566d0c9c809562daa2d4ee32ddb70;hp=b746332b180a5bc478b4af9c5754984f979c42e2;hb=b014f8fae9291e7504c0cca2dd8b9a0035466c03;hpb=1c7493b83ed8cecbbf1f70ef6bf834f94c5fcd43
diff --git a/src/recur.c b/src/recur.c
index b746332b..66ef2e0f 100644
--- a/src/recur.c
+++ b/src/recur.c
@@ -1,11 +1,12 @@
/* Handling of recursive HTTP retrieving.
- Copyright (C) 1996-2006 Free Software Foundation, Inc.
+ Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
+ 2004, 2005, 2006, 2007, 2008 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 2 of the License, or
+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,
@@ -14,20 +15,20 @@ 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, write to the Free Software Foundation, Inc.,
-51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+along with Wget. If not, see .
-In addition, as a special exception, the Free Software Foundation
-gives permission to link the code of its release of Wget with the
-OpenSSL project's "OpenSSL" library (or with modified versions of it
-that use the same license as the "OpenSSL" library), and distribute
-the linked executables. You must obey the GNU General Public License
-in all respects for all of the code used other than "OpenSSL". If you
-modify this file, you may extend this exception to your version of the
-file, but you are not obligated to do so. If you do not wish to do
-so, delete this exception statement from your version. */
+Additional permission under GNU GPL version 3 section 7
-#include
+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
#include
@@ -38,7 +39,6 @@ so, delete this exception statement from your version. */
#include
#include
-#include "wget.h"
#include "url.h"
#include "recur.h"
#include "utils.h"
@@ -48,17 +48,22 @@ so, delete this exception statement from your version. */
#include "hash.h"
#include "res.h"
#include "convert.h"
+#include "html-url.h"
+#include "css-url.h"
+#include "spider.h"
/* Functions for maintaining the URL queue. */
struct queue_element {
- const char *url; /* the URL to download */
- const char *referer; /* the referring document */
- int depth; /* the depth */
- bool html_allowed; /* whether the document is allowed to
- be treated as HTML. */
-
- struct queue_element *next; /* next element in queue */
+ const char *url; /* the URL to download */
+ const char *referer; /* the referring document */
+ int depth; /* the depth */
+ bool html_allowed; /* whether the document is allowed to
+ be treated as HTML. */
+ struct iri *iri; /* sXXXav */
+ bool css_allowed; /* whether the document is allowed to
+ be treated as CSS. */
+ struct queue_element *next; /* next element in queue */
};
struct url_queue {
@@ -89,23 +94,31 @@ url_queue_delete (struct url_queue *queue)
into it. */
static void
-url_enqueue (struct url_queue *queue,
- const char *url, const char *referer, int depth, bool html_allowed)
+url_enqueue (struct url_queue *queue, struct iri *i,
+ const char *url, const char *referer, int depth,
+ bool html_allowed, bool css_allowed)
{
struct queue_element *qel = xnew (struct queue_element);
+ qel->iri = i;
qel->url = url;
qel->referer = referer;
qel->depth = depth;
qel->html_allowed = html_allowed;
+ qel->css_allowed = css_allowed;
qel->next = NULL;
++queue->count;
if (queue->count > queue->maxcount)
queue->maxcount = queue->count;
- DEBUGP (("Enqueuing %s at depth %d\n", url, depth));
+ DEBUGP (("Enqueuing %s at depth %d\n",
+ quotearg_n_style (0, escape_quoting_style, url), depth));
DEBUGP (("Queue count %d, maxcount %d.\n", queue->count, queue->maxcount));
+ if (i)
+ DEBUGP (("[IRI Enqueuing %s with %s\n", quote_n (0, url),
+ i->uri_encoding ? quote_n (1, i->uri_encoding) : "None"));
+
if (queue->tail)
queue->tail->next = qel;
queue->tail = qel;
@@ -118,9 +131,9 @@ url_enqueue (struct url_queue *queue,
succeeded, or false if the queue is empty. */
static bool
-url_dequeue (struct url_queue *queue,
- const char **url, const char **referer, int *depth,
- bool *html_allowed)
+url_dequeue (struct url_queue *queue, struct iri **i,
+ const char **url, const char **referer, int *depth,
+ bool *html_allowed, bool *css_allowed)
{
struct queue_element *qel = queue->head;
@@ -131,14 +144,17 @@ url_dequeue (struct url_queue *queue,
if (!queue->head)
queue->tail = NULL;
+ *i = qel->iri;
*url = qel->url;
*referer = qel->referer;
*depth = qel->depth;
*html_allowed = qel->html_allowed;
+ *css_allowed = qel->css_allowed;
--queue->count;
- DEBUGP (("Dequeuing %s at depth %d\n", qel->url, qel->depth));
+ DEBUGP (("Dequeuing %s at depth %d\n",
+ quotearg_n_style (0, escape_quoting_style, qel->url), qel->depth));
DEBUGP (("Queue count %d, maxcount %d.\n", queue->count, queue->maxcount));
xfree (qel);
@@ -146,9 +162,9 @@ url_dequeue (struct url_queue *queue,
}
static bool download_child_p (const struct urlpos *, struct url *, int,
- struct url *, struct hash_table *);
-static bool descend_redirect_p (const char *, const char *, int,
- struct url *, struct hash_table *);
+ struct url *, struct hash_table *, struct iri *);
+static bool descend_redirect_p (const char *, struct url *, int,
+ struct url *, struct hash_table *, struct iri *);
/* Retrieve a part of the web beginning with START_URL. This used to
@@ -170,10 +186,10 @@ static bool descend_redirect_p (const char *, const char *, int,
7. if the URL is not one of those downloaded before, and if it
satisfies the criteria specified by the various command-line
- options, add it to the queue. */
+ options, add it to the queue. */
uerr_t
-retrieve_tree (const char *start_url)
+retrieve_tree (struct url *start_url_parsed, struct iri *pi)
{
uerr_t status = RETROK;
@@ -185,21 +201,27 @@ retrieve_tree (const char *start_url)
struct hash_table *blacklist;
int up_error_code;
- struct url *start_url_parsed = url_parse (start_url, &up_error_code);
+ struct iri *i = iri_new ();
- if (!start_url_parsed)
+#define COPYSTR(x) (x) ? xstrdup(x) : NULL;
+ /* Duplicate pi struct if not NULL */
+ if (pi)
{
- logprintf (LOG_NOTQUIET, "%s: %s.\n", start_url,
- url_error (up_error_code));
- return URLERROR;
+ i->uri_encoding = COPYSTR (pi->uri_encoding);
+ i->content_encoding = COPYSTR (pi->content_encoding);
+ i->utf8_encode = pi->utf8_encode;
}
+ else
+ set_uri_encoding (i, opt.locale, true);
+#undef COPYSTR
queue = url_queue_new ();
blacklist = make_string_hash_table (0);
/* Enqueue the starting URL. Use start_url_parsed->url rather than
just URL so we enqueue the canonical form of the URL. */
- url_enqueue (queue, xstrdup (start_url_parsed->url), NULL, 0, true);
+ url_enqueue (queue, i, xstrdup (start_url_parsed->url), NULL, 0, true,
+ false);
string_set_add (blacklist, start_url_parsed->url);
while (1)
@@ -207,170 +229,225 @@ retrieve_tree (const char *start_url)
bool descend = false;
char *url, *referer, *file = NULL;
int depth;
- bool html_allowed;
+ bool html_allowed, css_allowed;
+ bool is_css = false;
bool dash_p_leaf_HTML = false;
if (opt.quota && total_downloaded_bytes > opt.quota)
- break;
+ break;
if (status == FWRITEERR)
- break;
+ break;
/* Get the next URL from the queue... */
- if (!url_dequeue (queue,
- (const char **)&url, (const char **)&referer,
- &depth, &html_allowed))
- break;
+ if (!url_dequeue (queue, (struct iri **) &i,
+ (const char **)&url, (const char **)&referer,
+ &depth, &html_allowed, &css_allowed))
+ break;
/* ...and download it. Note that this download is in most cases
- unconditional, as download_child_p already makes sure a file
- doesn't get enqueued twice -- and yet this check is here, and
- not in download_child_p. This is so that if you run `wget -r
- URL1 URL2', and a random URL is encountered once under URL1
- and again under URL2, but at a different (possibly smaller)
- depth, we want the URL's children to be taken into account
- the second time. */
+ unconditional, as download_child_p already makes sure a file
+ doesn't get enqueued twice -- and yet this check is here, and
+ not in download_child_p. This is so that if you run `wget -r
+ URL1 URL2', and a random URL is encountered once under URL1
+ and again under URL2, but at a different (possibly smaller)
+ depth, we want the URL's children to be taken into account
+ the second time. */
if (dl_url_file_map && hash_table_contains (dl_url_file_map, url))
- {
- file = xstrdup (hash_table_get (dl_url_file_map, url));
-
- DEBUGP (("Already downloaded \"%s\", reusing it from \"%s\".\n",
- url, file));
-
- if (html_allowed
- && downloaded_html_set
- && string_set_contains (downloaded_html_set, file))
- descend = true;
- }
+ {
+ file = xstrdup (hash_table_get (dl_url_file_map, url));
+
+ DEBUGP (("Already downloaded \"%s\", reusing it from \"%s\".\n",
+ url, file));
+
+ /* this sucks, needs to be combined! */
+ if (html_allowed
+ && downloaded_html_set
+ && string_set_contains (downloaded_html_set, file))
+ {
+ descend = true;
+ is_css = false;
+ }
+ if (css_allowed
+ && downloaded_css_set
+ && string_set_contains (downloaded_css_set, file))
+ {
+ descend = true;
+ is_css = true;
+ }
+ }
else
- {
- int dt = 0;
- char *redirected = NULL;
-
- status = retrieve_url (url, &file, &redirected, referer, &dt, false);
-
- if (html_allowed && file && status == RETROK
- && (dt & RETROKF) && (dt & TEXTHTML))
- descend = true;
-
- if (redirected)
- {
- /* We have been redirected, possibly to another host, or
- different path, or wherever. Check whether we really
- want to follow it. */
- if (descend)
- {
- if (!descend_redirect_p (redirected, url, depth,
- start_url_parsed, blacklist))
- descend = false;
- else
- /* Make sure that the old pre-redirect form gets
- blacklisted. */
- string_set_add (blacklist, url);
- }
-
- xfree (url);
- url = redirected;
- }
- }
+ {
+ int dt = 0, url_err;
+ char *redirected = NULL;
+ struct url *url_parsed = url_parse (url, &url_err, i, true);
+
+ status = retrieve_url (url_parsed, url, &file, &redirected, referer,
+ &dt, false, i, true);
+
+ if (html_allowed && file && status == RETROK
+ && (dt & RETROKF) && (dt & TEXTHTML))
+ {
+ descend = true;
+ is_css = false;
+ }
+
+ /* a little different, css_allowed can override content type
+ lots of web servers serve css with an incorrect content type
+ */
+ if (file && status == RETROK
+ && (dt & RETROKF) &&
+ ((dt & TEXTCSS) || css_allowed))
+ {
+ descend = true;
+ is_css = true;
+ }
+
+ if (redirected)
+ {
+ /* We have been redirected, possibly to another host, or
+ different path, or wherever. Check whether we really
+ want to follow it. */
+ if (descend)
+ {
+ if (!descend_redirect_p (redirected, url_parsed, depth,
+ start_url_parsed, blacklist, i))
+ descend = false;
+ else
+ /* Make sure that the old pre-redirect form gets
+ blacklisted. */
+ string_set_add (blacklist, url);
+ }
+
+ xfree (url);
+ url = redirected;
+ }
+ else
+ {
+ xfree (url);
+ url = xstrdup (url_parsed->url);
+ }
+ url_free(url_parsed);
+ }
+
+ if (opt.spider)
+ {
+ visited_url (url, referer);
+ }
if (descend
- && depth >= opt.reclevel && opt.reclevel != INFINITE_RECURSION)
- {
- if (opt.page_requisites
- && (depth == opt.reclevel || depth == opt.reclevel + 1))
- {
- /* When -p is specified, we are allowed to exceed the
- maximum depth, but only for the "inline" links,
- i.e. those that are needed to display the page.
- Originally this could exceed the depth at most by
- one, but we allow one more level so that the leaf
- pages that contain frames can be loaded
- correctly. */
- dash_p_leaf_HTML = true;
- }
- else
- {
- /* Either -p wasn't specified or it was and we've
- already spent the two extra (pseudo-)levels that it
- affords us, so we need to bail out. */
- DEBUGP (("Not descending further; at depth %d, max. %d.\n",
- depth, opt.reclevel));
- descend = false;
- }
- }
-
- /* If the downloaded document was HTML, parse it and enqueue the
- links it contains. */
+ && depth >= opt.reclevel && opt.reclevel != INFINITE_RECURSION)
+ {
+ if (opt.page_requisites
+ && (depth == opt.reclevel || depth == opt.reclevel + 1))
+ {
+ /* When -p is specified, we are allowed to exceed the
+ maximum depth, but only for the "inline" links,
+ i.e. those that are needed to display the page.
+ Originally this could exceed the depth at most by
+ one, but we allow one more level so that the leaf
+ pages that contain frames can be loaded
+ correctly. */
+ dash_p_leaf_HTML = true;
+ }
+ else
+ {
+ /* Either -p wasn't specified or it was and we've
+ already spent the two extra (pseudo-)levels that it
+ affords us, so we need to bail out. */
+ DEBUGP (("Not descending further; at depth %d, max. %d.\n",
+ depth, opt.reclevel));
+ descend = false;
+ }
+ }
+
+ /* If the downloaded document was HTML or CSS, parse it and enqueue the
+ links it contains. */
if (descend)
- {
- bool meta_disallow_follow = false;
- struct urlpos *children
- = get_urls_html (file, url, &meta_disallow_follow);
-
- if (opt.use_robots && meta_disallow_follow)
- {
- free_urlpos (children);
- children = NULL;
- }
-
- if (children)
- {
- struct urlpos *child = children;
- struct url *url_parsed = url_parsed = url_parse (url, NULL);
- assert (url_parsed != NULL);
-
- for (; child; child = child->next)
- {
- if (child->ignore_when_downloading)
- continue;
- if (dash_p_leaf_HTML && !child->link_inline_p)
- continue;
- if (download_child_p (child, url_parsed, depth, start_url_parsed,
- blacklist))
- {
- url_enqueue (queue, xstrdup (child->url->url),
- xstrdup (url), depth + 1,
- child->link_expect_html);
- /* We blacklist the URL we have enqueued, because we
- don't want to enqueue (and hence download) the
- same URL twice. */
- string_set_add (blacklist, child->url->url);
- }
- }
-
- url_free (url_parsed);
- free_urlpos (children);
- }
- }
-
- if (file
- && (opt.delete_after
+ {
+ bool meta_disallow_follow = false;
+ struct urlpos *children
+ = is_css ? get_urls_css_file (file, url) :
+ get_urls_html (file, url, &meta_disallow_follow, i);
+
+ if (opt.use_robots && meta_disallow_follow)
+ {
+ free_urlpos (children);
+ children = NULL;
+ }
+
+ if (children)
+ {
+ struct urlpos *child = children;
+ struct url *url_parsed = url_parse (url, NULL, i, true);
+ struct iri *ci;
+ char *referer_url = url;
+ bool strip_auth = (url_parsed != NULL
+ && url_parsed->user != NULL);
+ assert (url_parsed != NULL);
+
+ /* Strip auth info if present */
+ if (strip_auth)
+ referer_url = url_string (url_parsed, URL_AUTH_HIDE);
+
+ for (; child; child = child->next)
+ {
+ if (child->ignore_when_downloading)
+ continue;
+ if (dash_p_leaf_HTML && !child->link_inline_p)
+ continue;
+ if (download_child_p (child, url_parsed, depth, start_url_parsed,
+ blacklist, i))
+ {
+ ci = iri_new ();
+ set_uri_encoding (ci, i->content_encoding, false);
+ url_enqueue (queue, ci, xstrdup (child->url->url),
+ xstrdup (referer_url), depth + 1,
+ child->link_expect_html,
+ child->link_expect_css);
+ /* We blacklist the URL we have enqueued, because we
+ don't want to enqueue (and hence download) the
+ same URL twice. */
+ string_set_add (blacklist, child->url->url);
+ }
+ }
+
+ if (strip_auth)
+ xfree (referer_url);
+ url_free (url_parsed);
+ free_urlpos (children);
+ }
+ }
+
+ if (file
+ && (opt.delete_after
|| opt.spider /* opt.recursive is implicitely true */
|| !acceptable (file)))
- {
- /* Either --delete-after was specified, or we loaded this
- (otherwise unneeded because of --spider or rejected by -R)
- HTML file just to harvest its hyperlinks -- in either case,
- delete the local file. */
- DEBUGP (("Removing file due to %s in recursive_retrieve():\n",
- opt.delete_after ? "--delete-after" :
- (opt.spider ? "--spider" :
- "recursive rejection criteria")));
- logprintf (LOG_VERBOSE,
- (opt.delete_after || opt.spider
- ? _("Removing %s.\n")
- : _("Removing %s since it should be rejected.\n")),
- file);
- if (unlink (file))
- logprintf (LOG_NOTQUIET, "unlink: %s\n", strerror (errno));
- register_delete_file (file);
- }
+ {
+ /* Either --delete-after was specified, or we loaded this
+ (otherwise unneeded because of --spider or rejected by -R)
+ HTML file just to harvest its hyperlinks -- in either case,
+ delete the local file. */
+ DEBUGP (("Removing file due to %s in recursive_retrieve():\n",
+ opt.delete_after ? "--delete-after" :
+ (opt.spider ? "--spider" :
+ "recursive rejection criteria")));
+ logprintf (LOG_VERBOSE,
+ (opt.delete_after || opt.spider
+ ? _("Removing %s.\n")
+ : _("Removing %s since it should be rejected.\n")),
+ file);
+ if (unlink (file))
+ logprintf (LOG_NOTQUIET, "unlink: %s\n", strerror (errno));
+ logputs (LOG_VERBOSE, "\n");
+ register_delete_file (file);
+ }
xfree (url);
xfree_null (referer);
xfree_null (file);
+ iri_free (i);
}
/* If anything is left of the queue due to a premature exit, free it
@@ -378,18 +455,18 @@ retrieve_tree (const char *start_url)
{
char *d1, *d2;
int d3;
- bool d4;
- while (url_dequeue (queue,
- (const char **)&d1, (const char **)&d2, &d3, &d4))
+ bool d4, d5;
+ struct iri *d6;
+ while (url_dequeue (queue, (struct iri **)&d6,
+ (const char **)&d1, (const char **)&d2, &d3, &d4, &d5))
{
- xfree (d1);
- xfree_null (d2);
+ iri_free (d6);
+ xfree (d1);
+ xfree_null (d2);
}
}
url_queue_delete (queue);
- if (start_url_parsed)
- url_free (start_url_parsed);
string_set_free (blacklist);
if (opt.quota && total_downloaded_bytes > opt.quota)
@@ -410,7 +487,8 @@ retrieve_tree (const char *start_url)
static bool
download_child_p (const struct urlpos *upos, struct url *parent, int depth,
- struct url *start_url_parsed, struct hash_table *blacklist)
+ struct url *start_url_parsed, struct hash_table *blacklist,
+ struct iri *iri)
{
struct url *u = upos->url;
const char *url = u->url;
@@ -420,6 +498,13 @@ download_child_p (const struct urlpos *upos, struct url *parent, int depth,
if (string_set_contains (blacklist, url))
{
+ if (opt.spider)
+ {
+ char *referrer = url_string (parent, URL_AUTH_HIDE_PASSWD);
+ DEBUGP (("download_child_p: parent->url is: %s\n", quote (parent->url)));
+ visited_url (url, referrer);
+ xfree (referrer);
+ }
DEBUGP (("Already on the black list.\n"));
goto out;
}
@@ -460,8 +545,8 @@ download_child_p (const struct urlpos *upos, struct url *parent, int depth,
if (u_scheme_like_http)
if (opt.relative_only && !upos->link_relative_p)
{
- DEBUGP (("It doesn't really look like a relative link.\n"));
- goto out;
+ DEBUGP (("It doesn't really look like a relative link.\n"));
+ goto out;
}
/* 3. If its domain is not to be accepted/looked-up, chuck it
@@ -484,11 +569,11 @@ download_child_p (const struct urlpos *upos, struct url *parent, int depth,
&& !(opt.page_requisites && upos->link_inline_p))
{
if (!subdir_p (start_url_parsed->dir, u->dir))
- {
- DEBUGP (("Going to \"%s\" would escape \"%s\" with no_parent on.\n",
- u->dir, start_url_parsed->dir));
- goto out;
- }
+ {
+ DEBUGP (("Going to \"%s\" would escape \"%s\" with no_parent on.\n",
+ u->dir, start_url_parsed->dir));
+ goto out;
+ }
}
/* 5. If the file does not match the acceptance list, or is on the
@@ -497,10 +582,10 @@ download_child_p (const struct urlpos *upos, struct url *parent, int depth,
if (opt.includes || opt.excludes)
{
if (!accdir (u->dir))
- {
- DEBUGP (("%s (%s) is excluded/not-included.\n", url, u->dir));
- goto out;
- }
+ {
+ DEBUGP (("%s (%s) is excluded/not-included.\n", url, u->dir));
+ goto out;
+ }
}
/* 6. Check for acceptance/rejection rules. We ignore these rules
@@ -510,31 +595,31 @@ download_child_p (const struct urlpos *upos, struct url *parent, int depth,
necesary, overstep the maximum depth to get the page requisites.) */
if (u->file[0] != '\0'
&& !(has_html_suffix_p (u->file)
- /* The exception only applies to non-leaf HTMLs (but -p
- always implies non-leaf because we can overstep the
- maximum depth to get the requisites): */
- && (/* non-leaf */
- opt.reclevel == INFINITE_RECURSION
- /* also non-leaf */
- || depth < opt.reclevel - 1
- /* -p, which implies non-leaf (see above) */
- || opt.page_requisites)))
+ /* The exception only applies to non-leaf HTMLs (but -p
+ always implies non-leaf because we can overstep the
+ maximum depth to get the requisites): */
+ && (/* non-leaf */
+ opt.reclevel == INFINITE_RECURSION
+ /* also non-leaf */
+ || depth < opt.reclevel - 1
+ /* -p, which implies non-leaf (see above) */
+ || opt.page_requisites)))
{
if (!acceptable (u->file))
- {
- DEBUGP (("%s (%s) does not match acc/rej rules.\n",
- url, u->file));
- goto out;
- }
+ {
+ DEBUGP (("%s (%s) does not match acc/rej rules.\n",
+ url, u->file));
+ goto out;
+ }
}
/* 7. */
if (schemes_are_similar_p (u->scheme, parent->scheme))
if (!opt.spanhost && 0 != strcasecmp (parent->host, u->host))
{
- DEBUGP (("This is not the same hostname as the parent's (%s and %s).\n",
- u->host, parent->host));
- goto out;
+ DEBUGP (("This is not the same hostname as the parent's (%s and %s).\n",
+ u->host, parent->host));
+ goto out;
}
/* 8. */
@@ -542,31 +627,42 @@ download_child_p (const struct urlpos *upos, struct url *parent, int depth,
{
struct robot_specs *specs = res_get_specs (u->host, u->port);
if (!specs)
- {
- char *rfile;
- if (res_retrieve_file (url, &rfile))
- {
- specs = res_parse_from_file (rfile);
- xfree (rfile);
- }
- else
- {
- /* If we cannot get real specs, at least produce
- dummy ones so that we can register them and stop
- trying to retrieve them. */
- specs = res_parse ("", 0);
- }
- res_register_specs (u->host, u->port, specs);
- }
+ {
+ char *rfile;
+ if (res_retrieve_file (url, &rfile, iri))
+ {
+ specs = res_parse_from_file (rfile);
+
+ /* Delete the robots.txt file if we chose to either delete the
+ files after downloading or we're just running a spider. */
+ if (opt.delete_after || opt.spider)
+ {
+ logprintf (LOG_VERBOSE, "Removing %s.\n", rfile);
+ if (unlink (rfile))
+ logprintf (LOG_NOTQUIET, "unlink: %s\n",
+ strerror (errno));
+ }
+
+ xfree (rfile);
+ }
+ else
+ {
+ /* If we cannot get real specs, at least produce
+ dummy ones so that we can register them and stop
+ trying to retrieve them. */
+ specs = res_parse ("", 0);
+ }
+ res_register_specs (u->host, u->port, specs);
+ }
/* Now that we have (or don't have) robots.txt specs, we can
- check what they say. */
+ check what they say. */
if (!res_match_path (specs, u->path))
- {
- DEBUGP (("Not following %s because robots.txt forbids it.\n", url));
- string_set_add (blacklist, url);
- goto out;
- }
+ {
+ DEBUGP (("Not following %s because robots.txt forbids it.\n", url));
+ string_set_add (blacklist, url);
+ goto out;
+ }
}
/* The URL has passed all the tests. It can be placed in the
@@ -587,26 +683,25 @@ download_child_p (const struct urlpos *upos, struct url *parent, int depth,
it is merely a simple-minded wrapper around download_child_p. */
static bool
-descend_redirect_p (const char *redirected, const char *original, int depth,
- struct url *start_url_parsed, struct hash_table *blacklist)
+descend_redirect_p (const char *redirected, struct url *orig_parsed, int depth,
+ struct url *start_url_parsed, struct hash_table *blacklist,
+ struct iri *iri)
{
- struct url *orig_parsed, *new_parsed;
+ struct url *new_parsed;
struct urlpos *upos;
bool success;
- orig_parsed = url_parse (original, NULL);
assert (orig_parsed != NULL);
- new_parsed = url_parse (redirected, NULL);
+ new_parsed = url_parse (redirected, NULL, NULL, false);
assert (new_parsed != NULL);
upos = xnew0 (struct urlpos);
upos->url = new_parsed;
success = download_child_p (upos, orig_parsed, depth,
- start_url_parsed, blacklist);
+ start_url_parsed, blacklist, iri);
- url_free (orig_parsed);
url_free (new_parsed);
xfree (upos);
@@ -615,3 +710,5 @@ descend_redirect_p (const char *redirected, const char *original, int depth,
return success;
}
+
+/* vim:set sts=2 sw=2 cino+={s: */