-const char cgisimple_rcs[] = "$Id: cgisimple.c,v 1.93 2009/05/16 13:27:20 fabiankeil Exp $";
+const char cgisimple_rcs[] = "$Id: cgisimple.c,v 1.109 2011/04/19 13:00:47 fabiankeil Exp $";
/*********************************************************************
*
* File : $Source: /cvsroot/ijbswa/current/cgisimple.c,v $
* Functions declared include:
*
*
- * Copyright : Written by and Copyright (C) 2001-2008 the SourceForge
+ * Copyright : Written by and Copyright (C) 2001-2011 the
* Privoxy team. http://www.privoxy.org/
*
* Based on the Internet Junkbuster originally written
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;
- /*
- * I don't really care what gets sent back to the browser.
- * Take the easy option - "out of memory" page.
- */
+ 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_MEMORY;
+ return JB_ERR_OK;
}
#endif /* def FEATURE_GRACEFUL_TERMINATION */
}
+/*********************************************************************
+ *
+ * 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
struct http_response *rsp,
const struct map *parameters)
{
- const char * filename;
+ const char *filename;
char *full_path;
jb_err err = JB_ERR_OK;
- size_t length;
+ 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) */
}
get_string_param(parameters, "file", &filename);
- /* Check paramter for hack attempts */
- if (filename && strchr(filename, '/'))
+ if (filename == NULL)
{
- return JB_ERR_CGI_PARAMS;
+ /* It's '/' so serve the index.html if there is one. */
+ filename = "index.html";
}
- if (filename && strstr(filename, ".."))
+ 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 ? filename : "index.html");
+ full_path = make_path(csp->config->usermanual, filename);
if (full_path == NULL)
{
return JB_ERR_MEMORY;
}
freez(full_path);
- /* Guess correct Content-Type based on the filename's ending */
- if (filename)
- {
- length = strlen(filename);
- }
- else
- {
- length = 0;
- }
- if((length>=4) && !strcmp(&filename[length-4], ".css"))
- {
- err = enlist(rsp->headers, "Content-Type: text/css");
- }
- else if((length>=4) && !strcmp(&filename[length-4], ".jpg"))
- {
- err = enlist(rsp->headers, "Content-Type: image/jpeg");
- }
- else
- {
- err = enlist(rsp->headers, "Content-Type: text/html");
- }
+ 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);
- return err;
}
* 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 contain "http(s?)://" - add a
+ * 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.
url_param[0] = '\0';
}
}
- else if ((url_param[0] != '\0') && (NULL == strstr(url_param, "://")))
+ else if ((url_param[0] != '\0')
+ && ((NULL == strstr(url_param, "://")
+ || (strstr(url_param, "://") > strstr(url_param, "/")))))
{
- /* No prefix - assume http:// */
+ /*
+ * 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))
{
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_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 */
fp = fopen(filename, "rb");
if (NULL == fp)
{
+ log_error(LOG_LEVEL_ERROR, "Failed to open %s: %E", filename);
return JB_ERR_FILE;
}
projects / privoxy.git / blobdiff