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tor-android/external/privoxy/cgisimple.c

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const char cgisimple_rcs[] = "$Id: cgisimple.c,v 1.111 2011/09/04 11:10:56 fabiankeil Exp $";
/*********************************************************************
*
* File : $Source: /cvsroot/ijbswa/current/cgisimple.c,v $
*
* Purpose : Simple CGIs to get information about Privoxy's
* status.
*
* Functions declared include:
*
*
* Copyright : Written by and Copyright (C) 2001-2011 the
* Privoxy team. http://www.privoxy.org/
*
* Based on the Internet Junkbuster originally written
* by and Copyright (C) 1997 Anonymous Coders and
* Junkbusters Corporation. http://www.junkbusters.com
*
* This program 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 (at
* your option) any later version.
*
* 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.
*
* The GNU General Public License should be included with
* this file. If not, you can view it at
* http://www.gnu.org/copyleft/gpl.html
* or write to the Free Software Foundation, Inc., 59
* Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
**********************************************************************/
#include "config.h"
#include <stdio.h>
#include <sys/types.h>
#include <stdlib.h>
#include <ctype.h>
#include <string.h>
#include <assert.h>
#ifdef HAVE_ACCESS
#include <unistd.h>
#endif /* def HAVE_ACCESS */
#include "project.h"
#include "cgi.h"
#include "cgisimple.h"
#include "list.h"
#include "encode.h"
#include "jcc.h"
#include "filters.h"
#include "actions.h"
#include "miscutil.h"
#include "loadcfg.h"
#include "parsers.h"
#include "urlmatch.h"
#include "errlog.h"
const char cgisimple_h_rcs[] = CGISIMPLE_H_VERSION;
static char *show_rcs(void);
static jb_err show_defines(struct map *exports);
static jb_err cgi_show_file(struct client_state *csp,
struct http_response *rsp,
const struct map *parameters);
static jb_err load_file(const char *filename, char **buffer, size_t *length);
/*********************************************************************
*
* Function : cgi_default
*
* Description : CGI function that is called for the CGI_SITE_1_HOST
* and CGI_SITE_2_HOST/CGI_SITE_2_PATH base URLs.
* Boring - only exports the default exports.
*
* Parameters :
* 1 : csp = Current client state (buffers, headers, etc...)
* 2 : rsp = http_response data structure for output
* 3 : parameters = map of cgi parameters
*
* CGI Parameters : none
*
* Returns : JB_ERR_OK on success
* JB_ERR_MEMORY on out-of-memory
*
*********************************************************************/
jb_err cgi_default(struct client_state *csp,
struct http_response *rsp,
const struct map *parameters)
{
struct map *exports;
(void)parameters;
assert(csp);
assert(rsp);
if (NULL == (exports = default_exports(csp, "")))
{
return JB_ERR_MEMORY;
}
return template_fill_for_cgi(csp, "default", exports, rsp);
}
/*********************************************************************
*
* Function : cgi_error_404
*
* Description : CGI function that is called if an unknown action was
* given.
*
* Parameters :
* 1 : csp = Current client state (buffers, headers, etc...)
* 2 : rsp = http_response data structure for output
* 3 : parameters = map of cgi parameters
*
* CGI Parameters : none
*
* Returns : JB_ERR_OK on success
* JB_ERR_MEMORY on out-of-memory error.
*
*********************************************************************/
jb_err cgi_error_404(struct client_state *csp,
struct http_response *rsp,
const struct map *parameters)
{
struct map *exports;
assert(csp);
assert(rsp);
assert(parameters);
if (NULL == (exports = default_exports(csp, NULL)))
{
return JB_ERR_MEMORY;
}
rsp->status = strdup("404 Privoxy configuration page not found");
if (rsp->status == NULL)
{
free_map(exports);
return JB_ERR_MEMORY;
}
return template_fill_for_cgi(csp, "cgi-error-404", exports, rsp);
}
#ifdef FEATURE_GRACEFUL_TERMINATION
/*********************************************************************
*
* Function : cgi_die
*
* Description : CGI function to shut down Privoxy.
* NOTE: Turning this on in a production build
* would be a BAD idea. An EXTREMELY BAD idea.
* In short, don't do it.
*
* Parameters :
* 1 : csp = Current client state (buffers, headers, etc...)
* 2 : rsp = http_response data structure for output
* 3 : parameters = map of cgi parameters
*
* CGI Parameters : none
*
* Returns : JB_ERR_OK on success
* JB_ERR_MEMORY on out-of-memory error.
*
*********************************************************************/
jb_err cgi_die (struct client_state *csp,
struct http_response *rsp,
const struct map *parameters)
{
static const char status[] = "200 OK Privoxy shutdown request received";
static const char body[] =
"<html>\n"
"<head>\n"
" <title>Privoxy shutdown request received</title>\n"
" <link rel=\"shortcut icon\" href=\"" CGI_PREFIX "error-favicon.ico\" type=\"image/x-icon\">\n"
" <link rel=\"stylesheet\" type=\"text/css\" href=\"http://config.privoxy.org/send-stylesheet\">\n"
"</head>\n"
"<body>\n"
"<h1>Privoxy shutdown request received</h1>\n"
"<p>Privoxy is going to shut down after the next request.</p>\n"
"</body>\n"
"</html>\n";
assert(csp);
assert(rsp);
assert(parameters);
/* quit */
g_terminate = 1;
csp->flags &= ~CSP_FLAG_CLIENT_CONNECTION_KEEP_ALIVE;
rsp->content_length = 0;
rsp->head_length = 0;
rsp->is_static = 0;
rsp->body = strdup(body);
rsp->status = strdup(status);
if ((rsp->body == NULL) || (rsp->status == NULL))
{
return JB_ERR_MEMORY;
}
return JB_ERR_OK;
}
#endif /* def FEATURE_GRACEFUL_TERMINATION */
/*********************************************************************
*
* Function : cgi_show_request
*
* Description : Show the client's request and what sed() would have
* made of it.
*
* Parameters :
* 1 : csp = Current client state (buffers, headers, etc...)
* 2 : rsp = http_response data structure for output
* 3 : parameters = map of cgi parameters
*
* CGI Parameters : none
*
* Returns : JB_ERR_OK on success
* JB_ERR_MEMORY on out-of-memory error.
*
*********************************************************************/
jb_err cgi_show_request(struct client_state *csp,
struct http_response *rsp,
const struct map *parameters)
{
char *p;
struct map *exports;
assert(csp);
assert(rsp);
assert(parameters);
if (NULL == (exports = default_exports(csp, "show-request")))
{
return JB_ERR_MEMORY;
}
/*
* Repair the damage done to the IOB by get_header()
*/
for (p = csp->iob->buf; p < csp->iob->eod; p++)
{
if (*p == '\0') *p = '\n';
}
/*
* Export the original client's request and the one we would
* be sending to the server if this wasn't a CGI call
*/
if (map(exports, "client-request", 1, html_encode(csp->iob->buf), 0))
{
free_map(exports);
return JB_ERR_MEMORY;
}
if (map(exports, "processed-request", 1,
html_encode_and_free_original(list_to_text(csp->headers)), 0))
{
free_map(exports);
return JB_ERR_MEMORY;
}
return template_fill_for_cgi(csp, "show-request", exports, rsp);
}
/*********************************************************************
*
* Function : cgi_send_banner
*
* Description : CGI function that returns a banner.
*
* Parameters :
* 1 : csp = Current client state (buffers, headers, etc...)
* 2 : rsp = http_response data structure for output
* 3 : parameters = map of cgi parameters
*
* CGI Parameters :
* type : Selects the type of banner between "trans", "logo",
* and "auto". Defaults to "logo" if absent or invalid.
* "auto" means to select as if we were image-blocking.
* (Only the first character really counts; b and t are
* equivalent).
*
* Returns : JB_ERR_OK on success
* JB_ERR_MEMORY on out-of-memory error.
*
*********************************************************************/
jb_err cgi_send_banner(struct client_state *csp,
struct http_response *rsp,
const struct map *parameters)
{
char imagetype = lookup(parameters, "type")[0];
/*
* If type is auto, then determine the right thing
* to do from the set-image-blocker action
*/
if (imagetype == 'a')
{
/*
* Default to pattern
*/
imagetype = 'p';
#ifdef FEATURE_IMAGE_BLOCKING
if ((csp->action->flags & ACTION_IMAGE_BLOCKER) != 0)
{
static const char prefix1[] = CGI_PREFIX "send-banner?type=";
static const char prefix2[] = "http://" CGI_SITE_1_HOST "/send-banner?type=";
const char *p = csp->action->string[ACTION_STRING_IMAGE_BLOCKER];
if (p == NULL)
{
/* Use default - nothing to do here. */
}
else if (0 == strcmpic(p, "blank"))
{
imagetype = 'b';
}
else if (0 == strcmpic(p, "pattern"))
{
imagetype = 'p';
}
/*
* If the action is to call this CGI, determine
* the argument:
*/
else if (0 == strncmpic(p, prefix1, sizeof(prefix1) - 1))
{
imagetype = p[sizeof(prefix1) - 1];
}
else if (0 == strncmpic(p, prefix2, sizeof(prefix2) - 1))
{
imagetype = p[sizeof(prefix2) - 1];
}
/*
* Everything else must (should) be a URL to
* redirect to.
*/
else
{
imagetype = 'r';
}
}
#endif /* def FEATURE_IMAGE_BLOCKING */
}
/*
* Now imagetype is either the non-auto type we were called with,
* or it was auto and has since been determined. In any case, we
* can proceed to actually answering the request by sending a redirect
* or an image as appropriate:
*/
if (imagetype == 'r')
{
rsp->status = strdup("302 Local Redirect from Privoxy");
if (rsp->status == NULL)
{
return JB_ERR_MEMORY;
}
if (enlist_unique_header(rsp->headers, "Location",
csp->action->string[ACTION_STRING_IMAGE_BLOCKER]))
{
return JB_ERR_MEMORY;
}
}
else
{
if ((imagetype == 'b') || (imagetype == 't'))
{
rsp->body = bindup(image_blank_data, image_blank_length);
rsp->content_length = image_blank_length;
}
else
{
rsp->body = bindup(image_pattern_data, image_pattern_length);
rsp->content_length = image_pattern_length;
}
if (rsp->body == NULL)
{
return JB_ERR_MEMORY;
}
if (enlist(rsp->headers, "Content-Type: " BUILTIN_IMAGE_MIMETYPE))
{
return JB_ERR_MEMORY;
}
rsp->is_static = 1;
}
return JB_ERR_OK;
}
/*********************************************************************
*
* Function : cgi_transparent_image
*
* Description : CGI function that sends a 1x1 transparent image.
*
* Parameters :
* 1 : csp = Current client state (buffers, headers, etc...)
* 2 : rsp = http_response data structure for output
* 3 : parameters = map of cgi parameters
*
* CGI Parameters : None
*
* Returns : JB_ERR_OK on success
* JB_ERR_MEMORY on out-of-memory error.
*
*********************************************************************/
jb_err cgi_transparent_image(struct client_state *csp,
struct http_response *rsp,
const struct map *parameters)
{
(void)csp;
(void)parameters;
rsp->body = bindup(image_blank_data, image_blank_length);
rsp->content_length = image_blank_length;
if (rsp->body == NULL)
{
return JB_ERR_MEMORY;
}
if (enlist(rsp->headers, "Content-Type: " BUILTIN_IMAGE_MIMETYPE))
{
return JB_ERR_MEMORY;
}
rsp->is_static = 1;
return JB_ERR_OK;
}
/*********************************************************************
*
* Function : cgi_send_default_favicon
*
* Description : CGI function that sends the standard favicon.
*
* Parameters :
* 1 : csp = Current client state (buffers, headers, etc...)
* 2 : rsp = http_response data structure for output
* 3 : parameters = map of cgi parameters
*
* CGI Parameters : None
*
* Returns : JB_ERR_OK on success
* JB_ERR_MEMORY on out-of-memory error.
*
*********************************************************************/
jb_err cgi_send_default_favicon(struct client_state *csp,
struct http_response *rsp,
const struct map *parameters)
{
static const char default_favicon_data[] =
"\000\000\001\000\001\000\020\020\002\000\000\000\000\000\260"
"\000\000\000\026\000\000\000\050\000\000\000\020\000\000\000"
"\040\000\000\000\001\000\001\000\000\000\000\000\100\000\000"
"\000\000\000\000\000\000\000\000\000\002\000\000\000\000\000"
"\000\000\377\377\377\000\377\000\052\000\017\360\000\000\077"
"\374\000\000\161\376\000\000\161\376\000\000\361\377\000\000"
"\361\377\000\000\360\017\000\000\360\007\000\000\361\307\000"
"\000\361\307\000\000\361\307\000\000\360\007\000\000\160\036"
"\000\000\177\376\000\000\077\374\000\000\017\360\000\000\360"
"\017\000\000\300\003\000\000\200\001\000\000\200\001\000\000"
"\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000"
"\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000"
"\000\000\200\001\000\000\200\001\000\000\300\003\000\000\360"
"\017\000\000";
static const size_t favicon_length = sizeof(default_favicon_data) - 1;
(void)csp;
(void)parameters;
rsp->body = bindup(default_favicon_data, favicon_length);
rsp->content_length = favicon_length;
if (rsp->body == NULL)
{
return JB_ERR_MEMORY;
}
if (enlist(rsp->headers, "Content-Type: image/x-icon"))
{
return JB_ERR_MEMORY;
}
rsp->is_static = 1;
return JB_ERR_OK;
}
/*********************************************************************
*
* Function : cgi_send_error_favicon
*
* Description : CGI function that sends the favicon for error pages.
*
* Parameters :
* 1 : csp = Current client state (buffers, headers, etc...)
* 2 : rsp = http_response data structure for output
* 3 : parameters = map of cgi parameters
*
* CGI Parameters : None
*
* Returns : JB_ERR_OK on success
* JB_ERR_MEMORY on out-of-memory error.
*
*********************************************************************/
jb_err cgi_send_error_favicon(struct client_state *csp,
struct http_response *rsp,
const struct map *parameters)
{
static const char error_favicon_data[] =
"\000\000\001\000\001\000\020\020\002\000\000\000\000\000\260"
"\000\000\000\026\000\000\000\050\000\000\000\020\000\000\000"
"\040\000\000\000\001\000\001\000\000\000\000\000\100\000\000"
"\000\000\000\000\000\000\000\000\000\002\000\000\000\000\000"
"\000\000\377\377\377\000\000\000\377\000\017\360\000\000\077"
"\374\000\000\161\376\000\000\161\376\000\000\361\377\000\000"
"\361\377\000\000\360\017\000\000\360\007\000\000\361\307\000"
"\000\361\307\000\000\361\307\000\000\360\007\000\000\160\036"
"\000\000\177\376\000\000\077\374\000\000\017\360\000\000\360"
"\017\000\000\300\003\000\000\200\001\000\000\200\001\000\000"
"\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000"
"\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000"
"\000\000\200\001\000\000\200\001\000\000\300\003\000\000\360"
"\017\000\000";
static const size_t favicon_length = sizeof(error_favicon_data) - 1;
(void)csp;
(void)parameters;
rsp->body = bindup(error_favicon_data, favicon_length);
rsp->content_length = favicon_length;
if (rsp->body == NULL)
{
return JB_ERR_MEMORY;
}
if (enlist(rsp->headers, "Content-Type: image/x-icon"))
{
return JB_ERR_MEMORY;
}
rsp->is_static = 1;
return JB_ERR_OK;
}
/*********************************************************************
*
* Function : cgi_send_stylesheet
*
* Description : CGI function that sends a css stylesheet found
* in the cgi-style.css template
*
* Parameters :
* 1 : csp = Current client state (buffers, headers, etc...)
* 2 : rsp = http_response data structure for output
* 3 : parameters = map of cgi parameters
*
* CGI Parameters : None
*
* Returns : JB_ERR_OK on success
* JB_ERR_MEMORY on out-of-memory error.
*
*********************************************************************/
jb_err cgi_send_stylesheet(struct client_state *csp,
struct http_response *rsp,
const struct map *parameters)
{
jb_err err;
assert(csp);
assert(rsp);
(void)parameters;
err = template_load(csp, &rsp->body, "cgi-style.css", 0);
if (err == JB_ERR_FILE)
{
/*
* No way to tell user; send empty stylesheet
*/
log_error(LOG_LEVEL_ERROR, "Could not find cgi-style.css template");
}
else if (err)
{
return err; /* JB_ERR_MEMORY */
}
if (enlist(rsp->headers, "Content-Type: text/css"))
{
return JB_ERR_MEMORY;
}
return JB_ERR_OK;
}
/*********************************************************************
*
* Function : cgi_send_url_info_osd
*
* Description : CGI function that sends the OpenSearch Description
* template for the show-url-info page. It allows to
* access the page through "search engine plugins".
*
* Parameters :
* 1 : csp = Current client state (buffers, headers, etc...)
* 2 : rsp = http_response data structure for output
* 3 : parameters = map of cgi parameters
*
* CGI Parameters : None
*
* Returns : JB_ERR_OK on success
* JB_ERR_MEMORY on out-of-memory error.
*
*********************************************************************/
jb_err cgi_send_url_info_osd(struct client_state *csp,
struct http_response *rsp,
const struct map *parameters)
{
jb_err err = JB_ERR_MEMORY;
struct map *exports = default_exports(csp, NULL);
(void)csp;
(void)parameters;
if (NULL != exports)
{
err = template_fill_for_cgi(csp, "url-info-osd.xml", exports, rsp);
if (JB_ERR_OK == err)
{
err = enlist(rsp->headers,
"Content-Type: application/opensearchdescription+xml");
}
}
return err;
}
/*********************************************************************
*
* Function : get_content_type
*
* Description : Use the file extension to guess the content type
* header we should use to serve the file.
*
* Parameters :
* 1 : filename = Name of the file whose content type
* we care about
*
* Returns : The guessed content type.
*
*********************************************************************/
static const char *get_content_type(const char *filename)
{
int i;
struct content_type
{
const char *extension;
const char *content_type;
};
static const struct content_type content_types[] =
{
{".css", "text/css"},
{".jpg", "image/jpeg"},
{".jpeg", "image/jpeg"},
{".png", "image/png"},
};
for (i = 0; i < SZ(content_types); i++)
{
if (strstr(filename, content_types[i].extension))
{
return content_types[i].content_type;
}
}
/* No match by extension, default to html */
return "text/html";
}
/*********************************************************************
*
* Function : cgi_send_user_manual
*
* Description : CGI function that sends a file in the user
* manual directory.
*
* Parameters :
* 1 : csp = Current client state (buffers, headers, etc...)
* 2 : rsp = http_response data structure for output
* 3 : parameters = map of cgi parameters
*
* CGI Parameters : file=name.html, the name of the HTML file
* (relative to user-manual from config)
*
* Returns : JB_ERR_OK on success
* JB_ERR_MEMORY on out-of-memory error.
*
*********************************************************************/
jb_err cgi_send_user_manual(struct client_state *csp,
struct http_response *rsp,
const struct map *parameters)
{
const char *filename;
char *full_path;
jb_err err = JB_ERR_OK;
const char *content_type;
assert(csp);
assert(rsp);
assert(parameters);
if (0 == strncmpic(csp->config->usermanual, "http://", 7))
{
log_error(LOG_LEVEL_CGI, "Request for local user-manual "
"received while user-manual delivery is disabled.");
return cgi_error_404(csp, rsp, parameters);
}
if (!parameters->first)
{
/* requested http://p.p/user-manual (without trailing slash) */
return cgi_redirect(rsp, CGI_PREFIX "user-manual/");
}
get_string_param(parameters, "file", &filename);
if (filename == NULL)
{
/* It's '/' so serve the index.html if there is one. */
filename = "index.html";
}
else if (NULL != strchr(filename, '/') || NULL != strstr(filename, ".."))
{
/*
* We currently only support a flat file
* hierarchy for the documentation.
*/
log_error(LOG_LEVEL_ERROR,
"Rejecting the request to serve '%s' as it contains '/' or '..'",
filename);
return JB_ERR_CGI_PARAMS;
}
full_path = make_path(csp->config->usermanual, filename);
if (full_path == NULL)
{
return JB_ERR_MEMORY;
}
err = load_file(full_path, &rsp->body, &rsp->content_length);
if (JB_ERR_OK != err)
{
assert((JB_ERR_FILE == err) || (JB_ERR_MEMORY == err));
if (JB_ERR_FILE == err)
{
err = cgi_error_no_template(csp, rsp, full_path);
}
freez(full_path);
return err;
}
freez(full_path);
content_type = get_content_type(filename);
log_error(LOG_LEVEL_CGI,
"Content-Type guessed for %s: %s", filename, content_type);
return enlist_unique_header(rsp->headers, "Content-Type", content_type);
}
/*********************************************************************
*
* Function : cgi_show_version
*
* Description : CGI function that returns a a web page describing the
* file versions of Privoxy.
*
* Parameters :
* 1 : csp = Current client state (buffers, headers, etc...)
* 2 : rsp = http_response data structure for output
* 3 : parameters = map of cgi parameters
*
* CGI Parameters : none
*
* Returns : JB_ERR_OK on success
* JB_ERR_MEMORY on out-of-memory error.
*
*********************************************************************/
jb_err cgi_show_version(struct client_state *csp,
struct http_response *rsp,
const struct map *parameters)
{
struct map *exports;
assert(csp);
assert(rsp);
assert(parameters);
if (NULL == (exports = default_exports(csp, "show-version")))
{
return JB_ERR_MEMORY;
}
if (map(exports, "sourceversions", 1, show_rcs(), 0))
{
free_map(exports);
return JB_ERR_MEMORY;
}
return template_fill_for_cgi(csp, "show-version", exports, rsp);
}
/*********************************************************************
*
* Function : cgi_show_status
*
* Description : CGI function that returns a web page describing the
* current status of Privoxy.
*
* Parameters :
* 1 : csp = Current client state (buffers, headers, etc...)
* 2 : rsp = http_response data structure for output
* 3 : parameters = map of cgi parameters
*
* CGI Parameters :
* file : Which file to show. Only first letter is checked,
* valid values are:
* - "a"ction file
* - "r"egex
* - "t"rust
* Default is to show menu and other information.
*
* Returns : JB_ERR_OK on success
* JB_ERR_MEMORY on out-of-memory error.
*
*********************************************************************/
jb_err cgi_show_status(struct client_state *csp,
struct http_response *rsp,
const struct map *parameters)
{
char *s = NULL;
unsigned i;
int j;
char buf[BUFFER_SIZE];
#ifdef FEATURE_STATISTICS
float perc_rej; /* Percentage of http requests rejected */
int local_urls_read;
int local_urls_rejected;
#endif /* ndef FEATURE_STATISTICS */
jb_err err = JB_ERR_OK;
struct map *exports;
assert(csp);
assert(rsp);
assert(parameters);
if ('\0' != *(lookup(parameters, "file")))
{
return cgi_show_file(csp, rsp, parameters);
}
if (NULL == (exports = default_exports(csp, "show-status")))
{
return JB_ERR_MEMORY;
}
s = strdup("");
for (j = 0; (s != NULL) && (j < Argc); j++)
{
if (!err) err = string_join (&s, html_encode(Argv[j]));
if (!err) err = string_append(&s, " ");
}
if (!err) err = map(exports, "invocation", 1, s, 0);
if (!err) err = map(exports, "options", 1, csp->config->proxy_args, 1);
if (!err) err = show_defines(exports);
if (err)
{
free_map(exports);
return JB_ERR_MEMORY;
}
#ifdef FEATURE_STATISTICS
local_urls_read = urls_read;
local_urls_rejected = urls_rejected;
/*
* Need to alter the stats not to include the fetch of this
* page.
*
* Can't do following thread safely! doh!
*
* urls_read--;
* urls_rejected--; * This will be incremented subsequently *
*/
if (local_urls_read == 0)
{
if (!err) err = map_block_killer(exports, "have-stats");
}
else
{
if (!err) err = map_block_killer(exports, "have-no-stats");
perc_rej = (float)local_urls_rejected * 100.0F /
(float)local_urls_read;
snprintf(buf, sizeof(buf), "%d", local_urls_read);
if (!err) err = map(exports, "requests-received", 1, buf, 1);
snprintf(buf, sizeof(buf), "%d", local_urls_rejected);
if (!err) err = map(exports, "requests-blocked", 1, buf, 1);
snprintf(buf, sizeof(buf), "%6.2f", perc_rej);
if (!err) err = map(exports, "percent-blocked", 1, buf, 1);
}
#else /* ndef FEATURE_STATISTICS */
err = err || map_block_killer(exports, "statistics");
#endif /* ndef FEATURE_STATISTICS */
/*
* List all action files in use, together with view and edit links,
* except for standard.action, which should only be viewable. (Not
* enforced in the editor itself)
* FIXME: Shouldn't include hardwired HTML here, use line template instead!
*/
s = strdup("");
for (i = 0; i < MAX_AF_FILES; i++)
{
if (csp->actions_list[i] != NULL)
{
if (!err) err = string_append(&s, "<tr><td>");
if (!err) err = string_join(&s, html_encode(csp->actions_list[i]->filename));
snprintf(buf, sizeof(buf),
"</td><td class=\"buttons\"><a href=\"/show-status?file=actions&amp;index=%u\">View</a>", i);
if (!err) err = string_append(&s, buf);
#ifdef FEATURE_CGI_EDIT_ACTIONS
if ((csp->config->feature_flags & RUNTIME_FEATURE_CGI_EDIT_ACTIONS)
&& (NULL == strstr(csp->actions_list[i]->filename, "standard.action"))
&& (NULL != csp->config->actions_file_short[i]))
{
#ifdef HAVE_ACCESS
if (access(csp->config->actions_file[i], W_OK) == 0)
{
#endif /* def HAVE_ACCESS */
snprintf(buf, sizeof(buf), "&nbsp;&nbsp;<a href=\"/edit-actions-list?f=%u\">Edit</a>", i);
if (!err) err = string_append(&s, buf);
#ifdef HAVE_ACCESS
}
else
{
if (!err) err = string_append(&s, "&nbsp;&nbsp;<strong>No write access.</strong>");
}
#endif /* def HAVE_ACCESS */
}
#endif
if (!err) err = string_append(&s, "</td></tr>\n");
}
}
if (*s != '\0')
{
if (!err) err = map(exports, "actions-filenames", 1, s, 0);
}
else
{
if (!err) err = map(exports, "actions-filenames", 1, "<tr><td>None specified</td></tr>", 1);
}
/*
* List all re_filterfiles in use, together with view options.
* FIXME: Shouldn't include hardwired HTML here, use line template instead!
*/
s = strdup("");
for (i = 0; i < MAX_AF_FILES; i++)
{
if (csp->rlist[i] != NULL)
{
if (!err) err = string_append(&s, "<tr><td>");
if (!err) err = string_join(&s, html_encode(csp->rlist[i]->filename));
snprintf(buf, sizeof(buf),
"</td><td class=\"buttons\"><a href=\"/show-status?file=filter&amp;index=%u\">View</a>", i);
if (!err) err = string_append(&s, buf);
if (!err) err = string_append(&s, "</td></tr>\n");
}
}
if (*s != '\0')
{
if (!err) err = map(exports, "re-filter-filenames", 1, s, 0);
}
else
{
if (!err) err = map(exports, "re-filter-filenames", 1, "<tr><td>None specified</td></tr>", 1);
if (!err) err = map_block_killer(exports, "have-filterfile");
}
#ifdef FEATURE_TRUST
if (csp->tlist)
{
if (!err) err = map(exports, "trust-filename", 1, html_encode(csp->tlist->filename), 0);
}
else
{
if (!err) err = map(exports, "trust-filename", 1, "None specified", 1);
if (!err) err = map_block_killer(exports, "have-trustfile");
}
#else
if (!err) err = map_block_killer(exports, "trust-support");
#endif /* ndef FEATURE_TRUST */
#ifdef FEATURE_CGI_EDIT_ACTIONS
if (!err && (csp->config->feature_flags & RUNTIME_FEATURE_CGI_EDIT_ACTIONS))
{
err = map_block_killer(exports, "cgi-editor-is-disabled");
}
#endif /* ndef CGI_EDIT_ACTIONS */
if (err)
{
free_map(exports);
return JB_ERR_MEMORY;
}
return template_fill_for_cgi(csp, "show-status", exports, rsp);
}
/*********************************************************************
*
* Function : cgi_show_url_info
*
* Description : CGI function that determines and shows which actions
* Privoxy will perform for a given url, and which
* matches starting from the defaults have lead to that.
*
* Parameters :
* 1 : csp = Current client state (buffers, headers, etc...)
* 2 : rsp = http_response data structure for output
* 3 : parameters = map of cgi parameters
*
* CGI Parameters :
* url : The url whose actions are to be determined.
* If url is unset, the url-given conditional will be
* set, so that all but the form can be suppressed in
* the template.
*
* Returns : JB_ERR_OK on success
* JB_ERR_MEMORY on out-of-memory error.
*
*********************************************************************/
jb_err cgi_show_url_info(struct client_state *csp,
struct http_response *rsp,
const struct map *parameters)
{
char *url_param;
struct map *exports;
char buf[150];
assert(csp);
assert(rsp);
assert(parameters);
if (NULL == (exports = default_exports(csp, "show-url-info")))
{
return JB_ERR_MEMORY;
}
/*
* Get the url= parameter (if present) and remove any leading/trailing spaces.
*/
url_param = strdup(lookup(parameters, "url"));
if (url_param == NULL)
{
free_map(exports);
return JB_ERR_MEMORY;
}
chomp(url_param);
/*
* Handle prefixes. 4 possibilities:
* 1) "http://" or "https://" prefix present and followed by URL - OK
* 2) Only the "http://" or "https://" part is present, no URL - change
* to empty string so it will be detected later as "no URL".
* 3) Parameter specified but doesn't start with "http(s?)://" - add a
* "http://" prefix.
* 4) Parameter not specified or is empty string - let this fall through
* for now, next block of code will handle it.
*/
if (0 == strncmp(url_param, "http://", 7))
{
if (url_param[7] == '\0')
{
/*
* Empty URL (just prefix).
* Make it totally empty so it's caught by the next if()
*/
url_param[0] = '\0';
}
}
else if (0 == strncmp(url_param, "https://", 8))
{
if (url_param[8] == '\0')
{
/*
* Empty URL (just prefix).
* Make it totally empty so it's caught by the next if()
*/
url_param[0] = '\0';
}
}
else if ((url_param[0] != '\0')
&& ((NULL == strstr(url_param, "://")
|| (strstr(url_param, "://") > strstr(url_param, "/")))))
{
/*
* No prefix or at least no prefix before
* the first slash - assume http://
*/
char *url_param_prefixed = strdup("http://");
if (JB_ERR_OK != string_join(&url_param_prefixed, url_param))
{
free_map(exports);
return JB_ERR_MEMORY;
}
url_param = url_param_prefixed;
}
/*
* Hide "toggle off" warning if Privoxy is toggled on.
*/
if (
#ifdef FEATURE_TOGGLE
(global_toggle_state == 1) &&
#endif /* def FEATURE_TOGGLE */
map_block_killer(exports, "privoxy-is-toggled-off")
)
{
free_map(exports);
return JB_ERR_MEMORY;
}
if (url_param[0] == '\0')
{
/* URL paramater not specified, display query form only. */
free(url_param);
if (map_block_killer(exports, "url-given")
|| map(exports, "url", 1, "", 1))
{
free_map(exports);
return JB_ERR_MEMORY;
}
}
else
{
/* Given a URL, so query it. */
jb_err err;
char *matches;
char *s;
int hits = 0;
struct file_list *fl;
struct url_actions *b;
struct http_request url_to_query[1];
struct current_action_spec action[1];
int i;
if (map(exports, "url", 1, html_encode(url_param), 0))
{
free(url_param);
free_map(exports);
return JB_ERR_MEMORY;
}
init_current_action(action);
if (map(exports, "default", 1, current_action_to_html(csp, action), 0))
{
free_current_action(action);
free(url_param);
free_map(exports);
return JB_ERR_MEMORY;
}
memset(url_to_query, '\0', sizeof(url_to_query));
err = parse_http_url(url_param, url_to_query, REQUIRE_PROTOCOL);
assert((err != JB_ERR_OK) || (url_to_query->ssl == !strncmpic(url_param, "https://", 8)));
free(url_param);
if (err == JB_ERR_MEMORY)
{
free_http_request(url_to_query);
free_current_action(action);
free_map(exports);
return JB_ERR_MEMORY;
}
else if (err)
{
/* Invalid URL */
err = map(exports, "matches", 1, "<b>[Invalid URL specified!]</b>" , 1);
if (!err) err = map(exports, "final", 1, lookup(exports, "default"), 1);
if (!err) err = map_block_killer(exports, "valid-url");
free_current_action(action);
free_http_request(url_to_query);
if (err)
{
free_map(exports);
return JB_ERR_MEMORY;
}
return template_fill_for_cgi(csp, "show-url-info", exports, rsp);
}
/*
* We have a warning about SSL paths. Hide it for unencrypted sites.
*/
if (!url_to_query->ssl)
{
if (map_block_killer(exports, "https"))
{
free_current_action(action);
free_map(exports);
free_http_request(url_to_query);
return JB_ERR_MEMORY;
}
}
matches = strdup("<table summary=\"\" class=\"transparent\">");
for (i = 0; i < MAX_AF_FILES; i++)
{
if (NULL == csp->config->actions_file_short[i]
|| !strcmp(csp->config->actions_file_short[i], "standard.action")) continue;
b = NULL;
hits = 1;
if ((fl = csp->actions_list[i]) != NULL)
{
if ((b = fl->f) != NULL)
{
/* FIXME: Hardcoded HTML! */
string_append(&matches, "<tr><th>In file: ");
string_join (&matches, html_encode(csp->config->actions_file_short[i]));
snprintf(buf, sizeof(buf), " <a class=\"cmd\" href=\"/show-status?file=actions&amp;index=%d\">", i);
string_append(&matches, buf);
string_append(&matches, "View</a>");
#ifdef FEATURE_CGI_EDIT_ACTIONS
if (csp->config->feature_flags & RUNTIME_FEATURE_CGI_EDIT_ACTIONS)
{
#ifdef HAVE_ACCESS
if (access(csp->config->actions_file[i], W_OK) == 0)
{
#endif /* def HAVE_ACCESS */
snprintf(buf, sizeof(buf),
" <a class=\"cmd\" href=\"/edit-actions-list?f=%d\">", i);
string_append(&matches, buf);
string_append(&matches, "Edit</a>");
#ifdef HAVE_ACCESS
}
else
{
string_append(&matches, " <strong>No write access.</strong>");
}
#endif /* def HAVE_ACCESS */
}
#endif /* FEATURE_CGI_EDIT_ACTIONS */
string_append(&matches, "</th></tr>\n");
hits = 0;
b = b->next;
}
}
for (; (b != NULL) && (matches != NULL); b = b->next)
{
if (url_match(b->url, url_to_query))
{
string_append(&matches, "<tr><td>{");
string_join (&matches, actions_to_html(csp, b->action));
string_append(&matches, " }<br>\n<code>");
string_join (&matches, html_encode(b->url->spec));
string_append(&matches, "</code></td></tr>\n");
if (merge_current_action(action, b->action))
{
freez(matches);
free_http_request(url_to_query);
free_current_action(action);
free_map(exports);
return JB_ERR_MEMORY;
}
hits++;
}
}
if (!hits)
{
string_append(&matches, "<tr><td>(no matches in this file)</td></tr>\n");
}
}
string_append(&matches, "</table>\n");
/*
* XXX: Kludge to make sure the "Forward settings" section
* shows what forward-override{} would do with the requested URL.
* No one really cares how the CGI request would be forwarded
* if it wasn't intercepted as CGI request in the first place.
*
* From here on the action bitmask will no longer reflect
* the real url (http://config.privoxy.org/show-url-info?url=.*),
* but luckily it's no longer required later on anyway.
*/
free_current_action(csp->action);
get_url_actions(csp, url_to_query);
/*
* Fill in forwarding settings.
*
* The possibilities are:
* - no forwarding
* - http forwarding only
* - socks4(a) forwarding only
* - socks4(a) and http forwarding.
*
* XXX: Parts of this code could be reused for the
* "forwarding-failed" template which currently doesn't
* display the proxy port and an eventual second forwarder.
*/
{
const struct forward_spec *fwd = forward_url(csp, url_to_query);
if ((fwd->gateway_host == NULL) && (fwd->forward_host == NULL))
{
if (!err) err = map_block_killer(exports, "socks-forwarder");
if (!err) err = map_block_killer(exports, "http-forwarder");
}
else
{
char port[10]; /* We save proxy ports as int but need a string here */
if (!err) err = map_block_killer(exports, "no-forwarder");
if (fwd->gateway_host != NULL)
{
char *socks_type = NULL;
switch (fwd->type)
{
case SOCKS_4:
socks_type = "socks4";
break;
case SOCKS_4A:
socks_type = "socks4a";
break;
case SOCKS_5:
socks_type = "socks5";
break;
default:
log_error(LOG_LEVEL_FATAL, "Unknown socks type: %d.", fwd->type);
}
if (!err) err = map(exports, "socks-type", 1, socks_type, 1);
if (!err) err = map(exports, "gateway-host", 1, fwd->gateway_host, 1);
snprintf(port, sizeof(port), "%d", fwd->gateway_port);
if (!err) err = map(exports, "gateway-port", 1, port, 1);
}
else
{
if (!err) err = map_block_killer(exports, "socks-forwarder");
}
if (fwd->forward_host != NULL)
{
if (!err) err = map(exports, "forward-host", 1, fwd->forward_host, 1);
snprintf(port, sizeof(port), "%d", fwd->forward_port);
if (!err) err = map(exports, "forward-port", 1, port, 1);
}
else
{
if (!err) err = map_block_killer(exports, "http-forwarder");
}
}
}
free_http_request(url_to_query);
if (err || matches == NULL)
{
free_current_action(action);
free_map(exports);
return JB_ERR_MEMORY;
}
#ifdef FEATURE_CGI_EDIT_ACTIONS
if ((csp->config->feature_flags & RUNTIME_FEATURE_CGI_EDIT_ACTIONS))
{
err = map_block_killer(exports, "cgi-editor-is-disabled");
}
#endif /* FEATURE_CGI_EDIT_ACTIONS */
/*
* If zlib support is available, if no content filters
* are enabled or if the prevent-compression action is enabled,
* suppress the "compression could prevent filtering" warning.
*/
#ifndef FEATURE_ZLIB
if (!content_filters_enabled(action) ||
(action->flags & ACTION_NO_COMPRESSION))
#endif
{
if (!err) err = map_block_killer(exports, "filters-might-be-ineffective");
}
if (err || map(exports, "matches", 1, matches , 0))
{
free_current_action(action);
free_map(exports);
return JB_ERR_MEMORY;
}
s = current_action_to_html(csp, action);
free_current_action(action);
if (map(exports, "final", 1, s, 0))
{
free_map(exports);
return JB_ERR_MEMORY;
}
}
return template_fill_for_cgi(csp, "show-url-info", exports, rsp);
}
/*********************************************************************
*
* Function : cgi_robots_txt
*
* Description : CGI function to return "/robots.txt".
*
* Parameters :
* 1 : csp = Current client state (buffers, headers, etc...)
* 2 : rsp = http_response data structure for output
* 3 : parameters = map of cgi parameters
*
* CGI Parameters : None
*
* Returns : JB_ERR_OK on success
* JB_ERR_MEMORY on out-of-memory error.
*
*********************************************************************/
jb_err cgi_robots_txt(struct client_state *csp,
struct http_response *rsp,
const struct map *parameters)
{
char buf[100];
jb_err err;
(void)csp;
(void)parameters;
rsp->body = strdup(
"# This is the Privoxy control interface.\n"
"# It isn't very useful to index it, and you're likely to break stuff.\n"
"# So go away!\n"
"\n"
"User-agent: *\n"
"Disallow: /\n"
"\n");
if (rsp->body == NULL)
{
return JB_ERR_MEMORY;
}
err = enlist_unique(rsp->headers, "Content-Type: text/plain", 13);
rsp->is_static = 1;
get_http_time(7 * 24 * 60 * 60, buf, sizeof(buf)); /* 7 days into future */
if (!err) err = enlist_unique_header(rsp->headers, "Expires", buf);
return (err ? JB_ERR_MEMORY : JB_ERR_OK);
}
/*********************************************************************
*
* Function : show_defines
*
* Description : Add to a map the state od all conditional #defines
* used when building
*
* Parameters :
* 1 : exports = map to extend
*
* Returns : JB_ERR_OK on success
* JB_ERR_MEMORY on out-of-memory error.
*
*********************************************************************/
static jb_err show_defines(struct map *exports)
{
jb_err err = JB_ERR_OK;
#ifdef FEATURE_ACCEPT_FILTER
if (!err) err = map_conditional(exports, "FEATURE_ACCEPT_FILTER", 1);
#else /* ifndef FEATURE_ACCEPT_FILTER */
if (!err) err = map_conditional(exports, "FEATURE_ACCEPT_FILTER", 0);
#endif /* ndef FEATURE_ACCEPT_FILTER */
#ifdef FEATURE_ACL
if (!err) err = map_conditional(exports, "FEATURE_ACL", 1);
#else /* ifndef FEATURE_ACL */
if (!err) err = map_conditional(exports, "FEATURE_ACL", 0);
#endif /* ndef FEATURE_ACL */
#ifdef FEATURE_CGI_EDIT_ACTIONS
if (!err) err = map_conditional(exports, "FEATURE_CGI_EDIT_ACTIONS", 1);
#else /* ifndef FEATURE_CGI_EDIT_ACTIONS */
if (!err) err = map_conditional(exports, "FEATURE_CGI_EDIT_ACTIONS", 0);
#endif /* ndef FEATURE_CGI_EDIT_ACTIONS */
#ifdef FEATURE_COMPRESSION
if (!err) err = map_conditional(exports, "FEATURE_COMPRESSION", 1);
#else /* ifndef FEATURE_COMPRESSION */
if (!err) err = map_conditional(exports, "FEATURE_COMPRESSION", 0);
#endif /* ndef FEATURE_COMPRESSION */
#ifdef FEATURE_CONNECTION_KEEP_ALIVE
if (!err) err = map_conditional(exports, "FEATURE_CONNECTION_KEEP_ALIVE", 1);
#else /* ifndef FEATURE_CONNECTION_KEEP_ALIVE */
if (!err) err = map_conditional(exports, "FEATURE_CONNECTION_KEEP_ALIVE", 0);
#endif /* ndef FEATURE_CONNECTION_KEEP_ALIVE */
#ifdef FEATURE_CONNECTION_SHARING
if (!err) err = map_conditional(exports, "FEATURE_CONNECTION_SHARING", 1);
#else /* ifndef FEATURE_CONNECTION_SHARING */
if (!err) err = map_conditional(exports, "FEATURE_CONNECTION_SHARING", 0);
#endif /* ndef FEATURE_CONNECTION_SHARING */
#ifdef FEATURE_FAST_REDIRECTS
if (!err) err = map_conditional(exports, "FEATURE_FAST_REDIRECTS", 1);
#else /* ifndef FEATURE_FAST_REDIRECTS */
if (!err) err = map_conditional(exports, "FEATURE_FAST_REDIRECTS", 0);
#endif /* ndef FEATURE_FAST_REDIRECTS */
#ifdef FEATURE_FORCE_LOAD
if (!err) err = map_conditional(exports, "FEATURE_FORCE_LOAD", 1);
if (!err) err = map(exports, "FORCE_PREFIX", 1, FORCE_PREFIX, 1);
#else /* ifndef FEATURE_FORCE_LOAD */
if (!err) err = map_conditional(exports, "FEATURE_FORCE_LOAD", 0);
if (!err) err = map(exports, "FORCE_PREFIX", 1, "(none - disabled)", 1);
#endif /* ndef FEATURE_FORCE_LOAD */
#ifdef FEATURE_GRACEFUL_TERMINATION
if (!err) err = map_conditional(exports, "FEATURE_GRACEFUL_TERMINATION", 1);
#else /* ifndef FEATURE_GRACEFUL_TERMINATION */
if (!err) err = map_conditional(exports, "FEATURE_GRACEFUL_TERMINATION", 0);
#endif /* ndef FEATURE_GRACEFUL_TERMINATION */
#ifdef FEATURE_IMAGE_BLOCKING
if (!err) err = map_conditional(exports, "FEATURE_IMAGE_BLOCKING", 1);
#else /* ifndef FEATURE_IMAGE_BLOCKING */
if (!err) err = map_conditional(exports, "FEATURE_IMAGE_BLOCKING", 0);
#endif /* ndef FEATURE_IMAGE_BLOCKING */
#ifdef FEATURE_IMAGE_DETECT_MSIE
if (!err) err = map_conditional(exports, "FEATURE_IMAGE_DETECT_MSIE", 1);
#else /* ifndef FEATURE_IMAGE_DETECT_MSIE */
if (!err) err = map_conditional(exports, "FEATURE_IMAGE_DETECT_MSIE", 0);
#endif /* ndef FEATURE_IMAGE_DETECT_MSIE */
#ifdef HAVE_RFC2553
if (!err) err = map_conditional(exports, "FEATURE_IPV6_SUPPORT", 1);
#else /* ifndef HAVE_RFC2553 */
if (!err) err = map_conditional(exports, "FEATURE_IPV6_SUPPORT", 0);
#endif /* ndef HAVE_RFC2553 */
#ifdef FEATURE_NO_GIFS
if (!err) err = map_conditional(exports, "FEATURE_NO_GIFS", 1);
#else /* ifndef FEATURE_NO_GIFS */
if (!err) err = map_conditional(exports, "FEATURE_NO_GIFS", 0);
#endif /* ndef FEATURE_NO_GIFS */
#ifdef FEATURE_PTHREAD
if (!err) err = map_conditional(exports, "FEATURE_PTHREAD", 1);
#else /* ifndef FEATURE_PTHREAD */
if (!err) err = map_conditional(exports, "FEATURE_PTHREAD", 0);
#endif /* ndef FEATURE_PTHREAD */
#ifdef FEATURE_STATISTICS
if (!err) err = map_conditional(exports, "FEATURE_STATISTICS", 1);
#else /* ifndef FEATURE_STATISTICS */
if (!err) err = map_conditional(exports, "FEATURE_STATISTICS", 0);
#endif /* ndef FEATURE_STATISTICS */
#ifdef FEATURE_TOGGLE
if (!err) err = map_conditional(exports, "FEATURE_TOGGLE", 1);
#else /* ifndef FEATURE_TOGGLE */
if (!err) err = map_conditional(exports, "FEATURE_TOGGLE", 0);
#endif /* ndef FEATURE_TOGGLE */
#ifdef FEATURE_TRUST
if (!err) err = map_conditional(exports, "FEATURE_TRUST", 1);
#else /* ifndef FEATURE_TRUST */
if (!err) err = map_conditional(exports, "FEATURE_TRUST", 0);
#endif /* ndef FEATURE_TRUST */
#ifdef FEATURE_ZLIB
if (!err) err = map_conditional(exports, "FEATURE_ZLIB", 1);
#else /* ifndef FEATURE_ZLIB */
if (!err) err = map_conditional(exports, "FEATURE_ZLIB", 0);
#endif /* ndef FEATURE_ZLIB */
#ifdef STATIC_PCRE
if (!err) err = map_conditional(exports, "STATIC_PCRE", 1);
#else /* ifndef STATIC_PCRE */
if (!err) err = map_conditional(exports, "STATIC_PCRE", 0);
#endif /* ndef STATIC_PCRE */
#ifdef STATIC_PCRS
if (!err) err = map_conditional(exports, "STATIC_PCRS", 1);
#else /* ifndef STATIC_PCRS */
if (!err) err = map_conditional(exports, "STATIC_PCRS", 0);
#endif /* ndef STATIC_PCRS */
return err;
}
/*********************************************************************
*
* Function : show_rcs
*
* Description : Create a string with the rcs info for all sourcefiles
*
* Parameters : None
*
* Returns : A string, or NULL on out-of-memory.
*
*********************************************************************/
static char *show_rcs(void)
{
char *result = strdup("");
char buf[BUFFER_SIZE];
/* Instead of including *all* dot h's in the project (thus creating a
* tremendous amount of dependencies), I will concede to declaring them
* as extern's. This forces the developer to add to this list, but oh well.
*/
#define SHOW_RCS(__x) \
{ \
extern const char __x[]; \
snprintf(buf, sizeof(buf), " %s\n", __x); \
string_append(&result, buf); \
}
/* In alphabetical order */
SHOW_RCS(actions_h_rcs)
SHOW_RCS(actions_rcs)
#ifdef AMIGA
SHOW_RCS(amiga_h_rcs)
SHOW_RCS(amiga_rcs)
#endif /* def AMIGA */
SHOW_RCS(cgi_h_rcs)
SHOW_RCS(cgi_rcs)
#ifdef FEATURE_CGI_EDIT_ACTIONS
SHOW_RCS(cgiedit_h_rcs)
SHOW_RCS(cgiedit_rcs)
#endif /* def FEATURE_CGI_EDIT_ACTIONS */
SHOW_RCS(cgisimple_h_rcs)
SHOW_RCS(cgisimple_rcs)
#ifdef __MINGW32__
SHOW_RCS(cygwin_h_rcs)
#endif
SHOW_RCS(deanimate_h_rcs)
SHOW_RCS(deanimate_rcs)
SHOW_RCS(encode_h_rcs)
SHOW_RCS(encode_rcs)
SHOW_RCS(errlog_h_rcs)
SHOW_RCS(errlog_rcs)
SHOW_RCS(filters_h_rcs)
SHOW_RCS(filters_rcs)
SHOW_RCS(gateway_h_rcs)
SHOW_RCS(gateway_rcs)
SHOW_RCS(jbsockets_h_rcs)
SHOW_RCS(jbsockets_rcs)
SHOW_RCS(jcc_h_rcs)
SHOW_RCS(jcc_rcs)
SHOW_RCS(list_h_rcs)
SHOW_RCS(list_rcs)
SHOW_RCS(loadcfg_h_rcs)
SHOW_RCS(loadcfg_rcs)
SHOW_RCS(loaders_h_rcs)
SHOW_RCS(loaders_rcs)
SHOW_RCS(miscutil_h_rcs)
SHOW_RCS(miscutil_rcs)
SHOW_RCS(parsers_h_rcs)
SHOW_RCS(parsers_rcs)
SHOW_RCS(pcrs_rcs)
SHOW_RCS(pcrs_h_rcs)
SHOW_RCS(project_h_rcs)
SHOW_RCS(ssplit_h_rcs)
SHOW_RCS(ssplit_rcs)
SHOW_RCS(urlmatch_h_rcs)
SHOW_RCS(urlmatch_rcs)
#ifdef _WIN32
#ifndef _WIN_CONSOLE
SHOW_RCS(w32log_h_rcs)
SHOW_RCS(w32log_rcs)
SHOW_RCS(w32res_h_rcs)
SHOW_RCS(w32taskbar_h_rcs)
SHOW_RCS(w32taskbar_rcs)
#endif /* ndef _WIN_CONSOLE */
SHOW_RCS(win32_h_rcs)
SHOW_RCS(win32_rcs)
#endif /* def _WIN32 */
#undef SHOW_RCS
return result;
}
/*********************************************************************
*
* Function : cgi_show_file
*
* Description : CGI function that shows the content of a
* configuration file.
*
* Parameters :
* 1 : csp = Current client state (buffers, headers, etc...)
* 2 : rsp = http_response data structure for output
* 3 : parameters = map of cgi parameters
*
* CGI Parameters :
* file : Which file to show. Only first letter is checked,
* valid values are:
* - "a"ction file
* - "r"egex
* - "t"rust
* Default is to show menu and other information.
*
* Returns : JB_ERR_OK on success
* JB_ERR_MEMORY on out-of-memory error.
*
*********************************************************************/
static jb_err cgi_show_file(struct client_state *csp,
struct http_response *rsp,
const struct map *parameters)
{
unsigned i;
const char * filename = NULL;
char * file_description = NULL;
assert(csp);
assert(rsp);
assert(parameters);
switch (*(lookup(parameters, "file")))
{
case 'a':
if (!get_number_param(csp, parameters, "index", &i) && i < MAX_AF_FILES && csp->actions_list[i])
{
filename = csp->actions_list[i]->filename;
file_description = "Actions File";
}
break;
case 'f':
if (!get_number_param(csp, parameters, "index", &i) && i < MAX_AF_FILES && csp->rlist[i])
{
filename = csp->rlist[i]->filename;
file_description = "Filter File";
}
break;
#ifdef FEATURE_TRUST
case 't':
if (csp->tlist)
{
filename = csp->tlist->filename;
file_description = "Trust File";
}
break;
#endif /* def FEATURE_TRUST */
}
if (NULL != filename)
{
struct map *exports;
char *s;
jb_err err;
size_t length;
exports = default_exports(csp, "show-status");
if (NULL == exports)
{
return JB_ERR_MEMORY;
}
if ( map(exports, "file-description", 1, file_description, 1)
|| map(exports, "filepath", 1, html_encode(filename), 0) )
{
free_map(exports);
return JB_ERR_MEMORY;
}
err = load_file(filename, &s, &length);
if (JB_ERR_OK != err)
{
if (map(exports, "contents", 1, "<h1>ERROR OPENING FILE!</h1>", 1))
{
free_map(exports);
return JB_ERR_MEMORY;
}
}
else
{
s = html_encode_and_free_original(s);
if (NULL == s)
{
return JB_ERR_MEMORY;
}
if (map(exports, "contents", 1, s, 0))
{
free_map(exports);
return JB_ERR_MEMORY;
}
}
return template_fill_for_cgi(csp, "show-status-file", exports, rsp);
}
return JB_ERR_CGI_PARAMS;
}
/*********************************************************************
*
* Function : load_file
*
* Description : Loads a file into a buffer.
*
* Parameters :
* 1 : filename = Name of the file to be loaded.
* 2 : buffer = Used to return the file's content.
* 3 : length = Used to return the size of the file.
*
* Returns : JB_ERR_OK in case of success,
* JB_ERR_FILE in case of ordinary file loading errors
* (fseek() and ftell() errors are fatal)
* JB_ERR_MEMORY in case of out-of-memory.
*
*********************************************************************/
static jb_err load_file(const char *filename, char **buffer, size_t *length)
{
FILE *fp;
long ret;
jb_err err = JB_ERR_OK;
fp = fopen(filename, "rb");
if (NULL == fp)
{
log_error(LOG_LEVEL_ERROR, "Failed to open %s: %E", filename);
return JB_ERR_FILE;
}
/* Get file length */
if (fseek(fp, 0, SEEK_END))
{
log_error(LOG_LEVEL_FATAL,
"Unexpected error while fseek()ing to the end of %s: %E",
filename);
}
ret = ftell(fp);
if (-1 == ret)
{
log_error(LOG_LEVEL_FATAL,
"Unexpected ftell() error while loading %s: %E",
filename);
}
*length = (size_t)ret;
/* Go back to the beginning. */
if (fseek(fp, 0, SEEK_SET))
{
log_error(LOG_LEVEL_FATAL,
"Unexpected error while fseek()ing to the beginning of %s: %E",
filename);
}
*buffer = (char *)zalloc(*length + 1);
if (NULL == *buffer)
{
err = JB_ERR_MEMORY;
}
else if (!fread(*buffer, *length, 1, fp))
{
/*
* May happen if the file size changes between fseek() and
* fread(). If it does, we just log it and serve what we got.
*/
log_error(LOG_LEVEL_ERROR,
"Couldn't completely read file %s.", filename);
err = JB_ERR_FILE;
}
fclose(fp);
return err;
}
/*
Local Variables:
tab-width: 3
end:
*/
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