files: Add simple plugin to load files from file:// URIs
This commit is contained in:
Tobias Brunner
@@ -429,6 +429,13 @@ if MONOLITHIC
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endif
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endif
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if USE_FILES
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SUBDIRS += plugins/files
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if MONOLITHIC
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libstrongswan_la_LIBADD += plugins/files/libstrongswan-files.la
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endif
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endif
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if USE_WINHTTP
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SUBDIRS += plugins/winhttp
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if MONOLITHIC
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@@ -0,0 +1,16 @@
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AM_CPPFLAGS = \
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-I$(top_srcdir)/src/libstrongswan
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AM_CFLAGS = \
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$(PLUGIN_CFLAGS)
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if MONOLITHIC
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noinst_LTLIBRARIES = libstrongswan-files.la
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else
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plugin_LTLIBRARIES = libstrongswan-files.la
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endif
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libstrongswan_files_la_SOURCES = \
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files_plugin.h files_plugin.c files_fetcher.c files_fetcher.h
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libstrongswan_files_la_LDFLAGS = -module -avoid-version
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@@ -0,0 +1,117 @@
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/*
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* Copyright (C) 2015 Tobias Brunner
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* Hochschule fuer Technik Rapperswil
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*/
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#include <errno.h>
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#include <library.h>
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#include <utils/debug.h>
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#include "files_fetcher.h"
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typedef struct private_files_fetcher_t private_files_fetcher_t;
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/**
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* private data of a files_fetcher_t object.
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*/
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struct private_files_fetcher_t {
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/**
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* Public data
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*/
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files_fetcher_t public;
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/**
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* Callback function
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*/
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fetcher_callback_t cb;
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};
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METHOD(fetcher_t, fetch, status_t,
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private_files_fetcher_t *this, char *uri, void *userdata)
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{
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chunk_t *data;
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status_t status = FAILED;
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if (this->cb == fetcher_default_callback)
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{
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*(chunk_t*)userdata = chunk_empty;
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}
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if (!strpfx(uri, "file://"))
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{
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return NOT_SUPPORTED;
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}
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uri = uri + strlen("file://");
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data = chunk_map(uri, FALSE);
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if (!data)
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{
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DBG1(DBG_LIB, " opening '%s' failed: %s", uri, strerror(errno));
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return FAILED;
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}
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if (this->cb(userdata, *data))
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{
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status = SUCCESS;
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}
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chunk_unmap(data);
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return status;
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}
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METHOD(fetcher_t, set_option, bool,
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private_files_fetcher_t *this, fetcher_option_t option, ...)
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{
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bool supported = TRUE;
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va_list args;
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va_start(args, option);
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switch (option)
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{
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case FETCH_CALLBACK:
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{
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this->cb = va_arg(args, fetcher_callback_t);
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break;
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}
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default:
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supported = FALSE;
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break;
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}
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va_end(args);
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return supported;
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}
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METHOD(fetcher_t, destroy, void,
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private_files_fetcher_t *this)
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{
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free(this);
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}
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/*
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* Described in header.
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*/
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files_fetcher_t *files_fetcher_create()
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{
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private_files_fetcher_t *this;
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INIT(this,
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.public = {
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.interface = {
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.fetch = _fetch,
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.set_option = _set_option,
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.destroy = _destroy,
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},
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},
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.cb = fetcher_default_callback,
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);
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return &this->public;
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}
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@@ -0,0 +1,42 @@
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/*
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* Copyright (C) 2015 Tobias Brunner
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* Hochschule fuer Technik Rapperswil
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*/
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/**
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* @defgroup files_fetcher files_fetcher
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* @{ @ingroup files_p
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*/
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#ifndef FILES_FETCHER_H_
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#define FILES_FETCHER_H_
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typedef struct files_fetcher_t files_fetcher_t;
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/**
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* Fetcher implementation loading local files
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*/
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struct files_fetcher_t {
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/**
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* Implements fetcher interface
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*/
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fetcher_t interface;
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};
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/**
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* Create a files_fetcher instance.
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*/
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files_fetcher_t *files_fetcher_create();
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#endif /** FILES_FETCHER_H_ @}*/
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@@ -0,0 +1,76 @@
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/*
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* Copyright (C) 2015 Tobias Brunner
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* Hochschule fuer Technik Rapperswil
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*/
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#include "files_plugin.h"
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#include "files_fetcher.h"
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#include <library.h>
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#include <utils/debug.h>
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typedef struct private_files_plugin_t private_files_plugin_t;
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/**
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* private data of files_plugin
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*/
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struct private_files_plugin_t {
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/**
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* public functions
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*/
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files_plugin_t public;
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};
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METHOD(plugin_t, get_name, char*,
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private_files_plugin_t *this)
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{
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return "files";
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}
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METHOD(plugin_t, get_features, int,
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private_files_plugin_t *this, plugin_feature_t *features[])
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{
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static plugin_feature_t f[] = {
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PLUGIN_REGISTER(FETCHER, files_fetcher_create),
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PLUGIN_PROVIDE(FETCHER, "file://"),
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};
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*features = f;
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return countof(f);
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}
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METHOD(plugin_t, destroy, void,
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private_files_plugin_t *this)
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{
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free(this);
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}
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/*
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* see header file
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*/
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plugin_t *files_plugin_create()
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{
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private_files_plugin_t *this;
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INIT(this,
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.public = {
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.plugin = {
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.get_name = _get_name,
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.get_features = _get_features,
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.destroy = _destroy,
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},
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},
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);
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return &this->public.plugin;
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}
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@@ -0,0 +1,42 @@
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/*
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* Copyright (C) 2015 Tobias Brunner
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* Hochschule fuer Technik Rapperswil
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*/
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/**
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* @defgroup files_p files
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* @ingroup plugins
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*
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* @defgroup files_plugin files_plugin
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* @{ @ingroup files_p
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*/
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#ifndef FILES_PLUGIN_H_
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#define FILES_PLUGIN_H_
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#include <plugins/plugin.h>
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typedef struct files_plugin_t files_plugin_t;
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/**
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* Plugin implementing fetcher interface loading local files directly.
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*/
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struct files_plugin_t {
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/**
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* implements plugin interface
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*/
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plugin_t plugin;
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};
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#endif /** FILES_PLUGIN_H_ @}*/
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