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files: Add simple plugin to load files from file:// URIs

This commit is contained in:
Tobias Brunner 2015-02-11 12:11:04 +01:00
parent 69bb1b8c18
commit 1735d80f38
7 changed files with 305 additions and 1 deletions
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6
configure.ac
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@ -1,5 +1,5 @@
#
# Copyright (C) 2007-2014 Tobias Brunner
# Copyright (C) 2007-2015 Tobias Brunner
# Copyright (C) 2006-2014 Andreas Steffen
# Copyright (C) 2006-2014 Martin Willi
# Hochschule fuer Technik Rapperswil
@ -159,6 +159,7 @@ ARG_DISBL_SET([sshkey], [disable SSH key decoding plugin.])
ARG_DISBL_SET([x509], [disable X509 certificate implementation plugin.])
# fetcher/resolver plugins
ARG_ENABL_SET([curl], [enable CURL fetcher plugin to fetch files via libcurl. Requires libcurl.])
ARG_ENABL_SET([files], [enable simple file:// URI fetcher.])
ARG_ENABL_SET([ldap], [enable LDAP fetching plugin to fetch files via libldap. Requires openLDAP.])
ARG_ENABL_SET([soup], [enable soup fetcher plugin to fetch from HTTP via libsoup. Requires libsoup.])
ARG_ENABL_SET([unbound], [enable UNBOUND resolver plugin to perform DNS queries via libunbound. Requires libldns and libunbound.])
@ -1259,6 +1260,7 @@ ADD_PLUGIN([gcm], [s charon scripts nm cmd])
ADD_PLUGIN([ntru], [s charon scripts nm cmd])
ADD_PLUGIN([bliss], [s charon pki scripts nm cmd])
ADD_PLUGIN([curl], [s charon scepclient pki scripts nm cmd])
ADD_PLUGIN([files], [s charon scepclient pki scripts nm cmd])
ADD_PLUGIN([winhttp], [s charon pki scripts])
ADD_PLUGIN([soup], [s charon pki scripts nm cmd])
ADD_PLUGIN([mysql], [s charon pool manager medsrv attest])
@ -1362,6 +1364,7 @@ AC_SUBST(t_plugins)
# -----------------------
AM_CONDITIONAL(USE_TEST_VECTORS, test x$test_vectors = xtrue)
AM_CONDITIONAL(USE_CURL, test x$curl = xtrue)
AM_CONDITIONAL(USE_FILES, test x$files = xtrue)
AM_CONDITIONAL(USE_WINHTTP, test x$winhttp = xtrue)
AM_CONDITIONAL(USE_UNBOUND, test x$unbound = xtrue)
AM_CONDITIONAL(USE_SOUP, test x$soup = xtrue)
@ -1636,6 +1639,7 @@ AC_CONFIG_FILES([
src/libstrongswan/plugins/sshkey/Makefile
src/libstrongswan/plugins/pem/Makefile
src/libstrongswan/plugins/curl/Makefile
src/libstrongswan/plugins/files/Makefile
src/libstrongswan/plugins/winhttp/Makefile
src/libstrongswan/plugins/unbound/Makefile
src/libstrongswan/plugins/soup/Makefile

7
src/libstrongswan/Makefile.am
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@ -429,6 +429,13 @@ if MONOLITHIC
endif
endif
if USE_FILES
SUBDIRS += plugins/files
if MONOLITHIC
libstrongswan_la_LIBADD += plugins/files/libstrongswan-files.la
endif
endif
if USE_WINHTTP
SUBDIRS += plugins/winhttp
if MONOLITHIC

16
src/libstrongswan/plugins/files/Makefile.am Normal file
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@ -0,0 +1,16 @@
AM_CPPFLAGS = \
-I$(top_srcdir)/src/libstrongswan
AM_CFLAGS = \
$(PLUGIN_CFLAGS)
if MONOLITHIC
noinst_LTLIBRARIES = libstrongswan-files.la
else
plugin_LTLIBRARIES = libstrongswan-files.la
endif
libstrongswan_files_la_SOURCES = \
files_plugin.h files_plugin.c files_fetcher.c files_fetcher.h
libstrongswan_files_la_LDFLAGS = -module -avoid-version

117
src/libstrongswan/plugins/files/files_fetcher.c Normal file
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@ -0,0 +1,117 @@
/*
* Copyright (C) 2015 Tobias Brunner
* Hochschule fuer Technik Rapperswil
*
* 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. See <http://www.fsf.org/copyleft/gpl.txt>.
*
* 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.
*/
#include <errno.h>
#include <library.h>
#include <utils/debug.h>
#include "files_fetcher.h"
typedef struct private_files_fetcher_t private_files_fetcher_t;
/**
* private data of a files_fetcher_t object.
*/
struct private_files_fetcher_t {
/**
* Public data
*/
files_fetcher_t public;
/**
* Callback function
*/
fetcher_callback_t cb;
};
METHOD(fetcher_t, fetch, status_t,
private_files_fetcher_t *this, char *uri, void *userdata)
{
chunk_t *data;
status_t status = FAILED;
if (this->cb == fetcher_default_callback)
{
*(chunk_t*)userdata = chunk_empty;
}
if (!strpfx(uri, "file://"))
{
return NOT_SUPPORTED;
}
uri = uri + strlen("file://");
data = chunk_map(uri, FALSE);
if (!data)
{
DBG1(DBG_LIB, " opening '%s' failed: %s", uri, strerror(errno));
return FAILED;
}
if (this->cb(userdata, *data))
{
status = SUCCESS;
}
chunk_unmap(data);
return status;
}
METHOD(fetcher_t, set_option, bool,
private_files_fetcher_t *this, fetcher_option_t option, ...)
{
bool supported = TRUE;
va_list args;
va_start(args, option);
switch (option)
{
case FETCH_CALLBACK:
{
this->cb = va_arg(args, fetcher_callback_t);
break;
}
default:
supported = FALSE;
break;
}
va_end(args);
return supported;
}
METHOD(fetcher_t, destroy, void,
private_files_fetcher_t *this)
{
free(this);
}
/*
* Described in header.
*/
files_fetcher_t *files_fetcher_create()
{
private_files_fetcher_t *this;
INIT(this,
.public = {
.interface = {
.fetch = _fetch,
.set_option = _set_option,
.destroy = _destroy,
},
},
.cb = fetcher_default_callback,
);
return &this->public;
}

42
src/libstrongswan/plugins/files/files_fetcher.h Normal file
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@ -0,0 +1,42 @@
/*
* Copyright (C) 2015 Tobias Brunner
* Hochschule fuer Technik Rapperswil
*
* 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. See <http://www.fsf.org/copyleft/gpl.txt>.
*
* 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.
*/
/**
* @defgroup files_fetcher files_fetcher
* @{ @ingroup files_p
*/
#ifndef FILES_FETCHER_H_
#define FILES_FETCHER_H_
typedef struct files_fetcher_t files_fetcher_t;
/**
* Fetcher implementation loading local files
*/
struct files_fetcher_t {
/**
* Implements fetcher interface
*/
fetcher_t interface;
};
/**
* Create a files_fetcher instance.
*/
files_fetcher_t *files_fetcher_create();
#endif /** FILES_FETCHER_H_ @}*/

76
src/libstrongswan/plugins/files/files_plugin.c Normal file
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@ -0,0 +1,76 @@
/*
* Copyright (C) 2015 Tobias Brunner
* Hochschule fuer Technik Rapperswil
*
* 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. See <http://www.fsf.org/copyleft/gpl.txt>.
*
* 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.
*/
#include "files_plugin.h"
#include "files_fetcher.h"
#include <library.h>
#include <utils/debug.h>
typedef struct private_files_plugin_t private_files_plugin_t;
/**
* private data of files_plugin
*/
struct private_files_plugin_t {
/**
* public functions
*/
files_plugin_t public;
};
METHOD(plugin_t, get_name, char*,
private_files_plugin_t *this)
{
return "files";
}
METHOD(plugin_t, get_features, int,
private_files_plugin_t *this, plugin_feature_t *features[])
{
static plugin_feature_t f[] = {
PLUGIN_REGISTER(FETCHER, files_fetcher_create),
PLUGIN_PROVIDE(FETCHER, "file://"),
};
*features = f;
return countof(f);
}
METHOD(plugin_t, destroy, void,
private_files_plugin_t *this)
{
free(this);
}
/*
* see header file
*/
plugin_t *files_plugin_create()
{
private_files_plugin_t *this;
INIT(this,
.public = {
.plugin = {
.get_name = _get_name,
.get_features = _get_features,
.destroy = _destroy,
},
},
);
return &this->public.plugin;
}

42
src/libstrongswan/plugins/files/files_plugin.h Normal file
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@ -0,0 +1,42 @@
/*
* Copyright (C) 2015 Tobias Brunner
* Hochschule fuer Technik Rapperswil
*
* 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. See <http://www.fsf.org/copyleft/gpl.txt>.
*
* 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.
*/
/**
* @defgroup files_p files
* @ingroup plugins
*
* @defgroup files_plugin files_plugin
* @{ @ingroup files_p
*/
#ifndef FILES_PLUGIN_H_
#define FILES_PLUGIN_H_
#include <plugins/plugin.h>
typedef struct files_plugin_t files_plugin_t;
/**
* Plugin implementing fetcher interface loading local files directly.
*/
struct files_plugin_t {
/**
* implements plugin interface
*/
plugin_t plugin;
};
#endif /** FILES_PLUGIN_H_ @}*/