Skip to content

HTTPS clone URL

Subversion checkout URL

You can clone with HTTPS or Subversion.

Download ZIP
Fetching contributors…

Cannot retrieve contributors at this time

207 lines (163 sloc) 4.925 kb
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/* Cherokee
*
* Authors:
* Alvaro Lopez Ortega <alvaro@alobbs.com>
*
* Copyright (C) 2001-2011 Alvaro Lopez Ortega
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of version 2 of the GNU General Public
* License as published by the Free Software Foundation.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
#include "common-internal.h"
#include "handler_error_nn.h"
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <dirent.h>
#include "thread.h"
#include "connection.h"
#include "connection-protected.h"
#include "module.h"
#include "plugin_loader.h"
#include "connection.h"
#include "levenshtein_distance.h"
#include "handler_error.h"
#include "util.h"
/* Plug-in initialization
*/
PLUGIN_INFO_HANDLER_EASIEST_INIT (error_nn, http_all_methods);
/* Methods implementation
*/
ret_t
cherokee_handler_error_nn_configure (cherokee_config_node_t *conf,
cherokee_server_t *srv,
cherokee_module_props_t **_props)
{
UNUSED(conf);
UNUSED(srv);
UNUSED(_props);
return ret_ok;
}
static ret_t
get_nearest_from_directory (char *directory, char *request, cherokee_buffer_t *output)
{
int re;
int dis;
DIR *dir;
char entry_buf[512];
struct dirent *entry;
int min_diff = 9999;
cherokee_boolean_t found = false;
dir = cherokee_opendir (directory);
if (dir == NULL)
goto go_out;
for (;;) {
re = cherokee_readdir (dir, (struct dirent *)entry_buf, &entry);
if ((re != 0) || (entry == NULL))
break;
if (!strncmp (entry->d_name, ".", 1)) continue;
if (!strncmp (entry->d_name, "..", 2)) continue;
dis = distance ((char *)request, entry->d_name);
if (dis < min_diff) {
min_diff = dis;
found = true;
cherokee_buffer_clean (output);
cherokee_buffer_add (output, entry->d_name, strlen(entry->d_name));
}
}
cherokee_closedir (dir);
go_out:
return (found) ? ret_ok : ret_error;
}
static ret_t
get_nearest_name (cherokee_connection_t *conn,
cherokee_buffer_t *local_dir,
cherokee_buffer_t *request,
cherokee_buffer_t *output)
{
ret_t ret;
char *rest;
cherokee_thread_t *thread = CONN_THREAD(conn);
cherokee_buffer_t *req = THREAD_TMP_BUF1(thread);
/* Build the local request path
*/
rest = strrchr (request->buf, '/');
if (rest == NULL) {
return ret_error;
}
rest++;
cherokee_buffer_clean (req);
cherokee_buffer_add_buffer (req, local_dir);
cherokee_buffer_add (req, request->buf, rest - request->buf);
/* Copy the new filename to the output buffer
*/
ret = get_nearest_from_directory (req->buf, rest, output);
if (unlikely (ret != ret_ok)) {
return ret_error;
}
/* Prepend the rest of the old request to the new filename
*/
cherokee_buffer_prepend (output, request->buf, rest - request->buf);
return ret_ok;
}
static ret_t
error_nn_init (cherokee_handler_error_t *hdl)
{
ret_t ret;
cherokee_connection_t *conn = HANDLER_CONN(hdl);
cherokee_buffer_clean (&conn->redirect);
ret = get_nearest_name (conn, &conn->local_directory, &conn->request, &conn->redirect);
if (unlikely (ret != ret_ok)) {
conn->error_code = http_not_found;
return ret_error;
}
conn->error_code = http_moved_temporarily;
return ret_error;
}
static ret_t
error_nn_add_headers (cherokee_handler_error_t *hdl, cherokee_buffer_t *buffer)
{
UNUSED(hdl);
UNUSED(buffer);
return ret_ok;
}
static ret_t
error_nn_step (cherokee_handler_error_t *hdl, cherokee_buffer_t *buffer)
{
UNUSED(hdl);
UNUSED(buffer);
return ret_eof;
}
static ret_t
error_nn_free (cherokee_handler_error_t *hdl)
{
UNUSED(hdl);
return ret_ok;
}
ret_t
cherokee_handler_error_nn_new (cherokee_handler_t **hdl,
cherokee_connection_t *conn,
cherokee_module_props_t *props)
{
CHEROKEE_NEW_STRUCT (n, handler_error_nn);
cherokee_handler_init_base (HANDLER(n), conn, HANDLER_PROPS(props), PLUGIN_INFO_HANDLER_PTR(error_nn));
HANDLER(n)->support = hsupport_error | hsupport_length;
MODULE(n)->init = (handler_func_init_t) error_nn_init;
MODULE(n)->free = (module_func_free_t) error_nn_free;
HANDLER(n)->step = (handler_func_step_t) error_nn_step;
HANDLER(n)->add_headers = (handler_func_add_headers_t) error_nn_add_headers;
*hdl = HANDLER(n);
return ret_ok;
}
Jump to Line
Something went wrong with that request. Please try again.