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/* -*- 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 "validator_plain.h"
#include "thread.h"
#include "connection.h"
#include "connection-protected.h"
#include "plugin_loader.h"
/* Plug-in initialization
*/
PLUGIN_INFO_VALIDATOR_EASIEST_INIT (plain, http_auth_basic | http_auth_digest);
static ret_t
props_free (cherokee_validator_plain_props_t *props)
{
return cherokee_validator_file_props_free_base (PROP_VFILE(props));
}
ret_t
cherokee_validator_plain_configure (cherokee_config_node_t *conf,
cherokee_server_t *srv,
cherokee_module_props_t **_props)
{
cherokee_validator_plain_props_t *props;
UNUSED(srv);
if (*_props == NULL) {
CHEROKEE_NEW_STRUCT (n, validator_plain_props);
cherokee_validator_file_props_init_base (PROP_VFILE(n),
MODULE_PROPS_FREE(props_free));
*_props = MODULE_PROPS(n);
}
props = PROP_PLAIN(*_props);
/* Call the file based validator configure
*/
return cherokee_validator_file_configure (conf, srv, _props);
}
ret_t
cherokee_validator_plain_new (cherokee_validator_plain_t **plain,
cherokee_module_props_t *props)
{
CHEROKEE_NEW_STRUCT(n,validator_plain);
/* Init
*/
cherokee_validator_file_init_base (VFILE(n),
PROP_VFILE(props),
PLUGIN_INFO_VALIDATOR_PTR(plain));
VALIDATOR(n)->support = http_auth_basic | http_auth_digest;
MODULE(n)->free = (module_func_free_t) cherokee_validator_plain_free;
VALIDATOR(n)->check = (validator_func_check_t) cherokee_validator_plain_check;
VALIDATOR(n)->add_headers = (validator_func_add_headers_t) cherokee_validator_plain_add_headers;
/* Return obj
*/
*plain = n;
return ret_ok;
}
ret_t
cherokee_validator_plain_free (cherokee_validator_plain_t *plain)
{
return cherokee_validator_file_free_base (VFILE(plain));
}
ret_t
cherokee_validator_plain_check (cherokee_validator_plain_t *plain,
cherokee_connection_t *conn)
{
int re;
ret_t ret;
const char *p;
const char *end;
cherokee_buffer_t *fpass;
cherokee_buffer_t file = CHEROKEE_BUF_INIT;
cherokee_buffer_t buser = CHEROKEE_BUF_INIT;
cherokee_buffer_t bpass = CHEROKEE_BUF_INIT;
/* Sanity check */
if (unlikely ((conn->validator == NULL) ||
cherokee_buffer_is_empty(&conn->validator->user))) {
return ret_error;
}
/* Get the full path to the file */
ret = cherokee_validator_file_get_full_path (VFILE(plain), conn, &fpass,
&CONN_THREAD(conn)->tmp_buf1);
if (ret != ret_ok) {
ret = ret_error;
goto out;
}
/* Read its contents */
ret = cherokee_buffer_read_file (&file, fpass->buf);
if (ret != ret_ok) {
ret = ret_error;
goto out;
}
if (! cherokee_buffer_is_ending(&file, '\n'))
cherokee_buffer_add_str (&file, "\n");
p = file.buf;
end = file.buf + file.len;
while (p < end) {
char *eol;
char *colon;
/* Look for the EOL
*/
eol = strchr (p, '\n');
if (eol == NULL) {
ret = ret_ok;
goto out;
}
*eol = '\0';
/* Skip comments
*/
if (p[0] == '#')
goto next;
colon = strchr (p, ':');
if (colon == NULL) {
goto next;
}
/* Is it the right user?
*/
cherokee_buffer_clean (&buser);
cherokee_buffer_add (&buser, p, colon - p);
re = cherokee_buffer_cmp_buf (&buser, &conn->validator->user);
if (re != 0)
goto next;
/* Check the password
*/
cherokee_buffer_clean (&bpass);
cherokee_buffer_add (&bpass, colon+1, eol - (colon+1));
switch (conn->req_auth_type) {
case http_auth_basic:
/* Empty password
*/
if (cherokee_buffer_is_empty (&bpass) &&
cherokee_buffer_is_empty (&conn->validator->passwd)) {
ret = ret_ok;
goto out;
}
/* Check the passwd
*/
re = cherokee_buffer_cmp_buf (&bpass, &conn->validator->passwd);
if (re != 0)
ret = ret_deny;
goto out;
case http_auth_digest:
ret = cherokee_validator_digest_check (VALIDATOR(plain), &bpass, conn);
goto out;
default:
SHOULDNT_HAPPEN;
}
/* A user entry has been tested and failed
*/
ret = ret_deny;
goto out;
next:
p = eol + 1;
/* Reached the end without success
*/
if (p >= end) {
ret = ret_deny;
goto out;
}
}
out:
cherokee_buffer_mrproper (&file);
cherokee_buffer_mrproper (&buser);
cherokee_buffer_mrproper (&bpass);
return ret;
}
ret_t
cherokee_validator_plain_add_headers (cherokee_validator_plain_t *plain, cherokee_connection_t *conn, cherokee_buffer_t *buf)
{
UNUSED(plain);
UNUSED(conn);
UNUSED(buf);
return ret_ok;
}
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