ARG_ENABL_SET([sqlite], [enable SQLite database support. Requires libsqlite3.])
# authentication/credential plugins
ARG_ENABL_SET([addrblock], [enables RFC 3779 address block constraint support.])
+ARG_ENABL_SET([acert], [enable X509 attribute certificate checking plugin.])
ARG_ENABL_SET([agent], [enables the ssh-agent signing plugin.])
ARG_DISBL_SET([constraints], [disable advanced X509 constraint checking plugin.])
ARG_ENABL_SET([coupling], [enable IKEv2 plugin to couple peer certificates permanently to authentication.])
ADD_PLUGIN([x509], [s charon openac scepclient pki scripts attest nm cmd])
ADD_PLUGIN([revocation], [s charon nm cmd])
ADD_PLUGIN([constraints], [s charon nm cmd])
+ADD_PLUGIN([acert], [s charon])
ADD_PLUGIN([pubkey], [s charon cmd])
ADD_PLUGIN([pkcs1], [s charon openac scepclient pki scripts manager medsrv attest nm cmd])
ADD_PLUGIN([pkcs7], [s charon scepclient pki scripts nm cmd])
AM_CONDITIONAL(USE_X509, test x$x509 = xtrue)
AM_CONDITIONAL(USE_REVOCATION, test x$revocation = xtrue)
AM_CONDITIONAL(USE_CONSTRAINTS, test x$constraints = xtrue)
+AM_CONDITIONAL(USE_ACERT, test x$acert = xtrue)
AM_CONDITIONAL(USE_PUBKEY, test x$pubkey = xtrue)
AM_CONDITIONAL(USE_PKCS1, test x$pkcs1 = xtrue)
AM_CONDITIONAL(USE_PKCS7, test x$pkcs7 = xtrue)
src/libstrongswan/plugins/x509/Makefile
src/libstrongswan/plugins/revocation/Makefile
src/libstrongswan/plugins/constraints/Makefile
+ src/libstrongswan/plugins/acert/Makefile
src/libstrongswan/plugins/pubkey/Makefile
src/libstrongswan/plugins/pkcs1/Makefile
src/libstrongswan/plugins/pkcs7/Makefile
endif
endif
+if USE_ACERT
+ SUBDIRS += plugins/acert
+if MONOLITHIC
+ libstrongswan_la_LIBADD += plugins/acert/libstrongswan-acert.la
+endif
+endif
+
if USE_PUBKEY
SUBDIRS += plugins/pubkey
if MONOLITHIC
--- /dev/null
+AM_CPPFLAGS = \
+ -I$(top_srcdir)/src/libstrongswan
+
+AM_CFLAGS = \
+ -rdynamic
+
+if MONOLITHIC
+noinst_LTLIBRARIES = libstrongswan-acert.la
+else
+plugin_LTLIBRARIES = libstrongswan-acert.la
+endif
+
+libstrongswan_acert_la_SOURCES = \
+ acert_validator.h acert_validator.c \
+ acert_plugin.h acert_plugin.c
+
+libstrongswan_acert_la_LDFLAGS = -module -avoid-version
--- /dev/null
+/*
+ * Copyright (C) 2014 Martin Willi
+ * Copyright (C) 2014 revosec AG
+ *
+ * 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 "acert_plugin.h"
+#include "acert_validator.h"
+
+#include <library.h>
+
+typedef struct private_acert_plugin_t private_acert_plugin_t;
+
+/**
+ * private data of acert_plugin
+ */
+struct private_acert_plugin_t {
+
+ /**
+ * public functions
+ */
+ acert_plugin_t public;
+
+ /**
+ * Validator implementation instance.
+ */
+ acert_validator_t *validator;
+};
+
+METHOD(plugin_t, get_name, char*,
+ private_acert_plugin_t *this)
+{
+ return "acert";
+}
+
+/**
+ * Register validator
+ */
+static bool plugin_cb(private_acert_plugin_t *this,
+ plugin_feature_t *feature, bool reg, void *cb_data)
+{
+ if (reg)
+ {
+ lib->credmgr->add_validator(lib->credmgr, &this->validator->validator);
+ }
+ else
+ {
+ lib->credmgr->remove_validator(lib->credmgr, &this->validator->validator);
+ }
+ return TRUE;
+}
+
+METHOD(plugin_t, get_features, int,
+ private_acert_plugin_t *this, plugin_feature_t *features[])
+{
+ static plugin_feature_t f[] = {
+ PLUGIN_CALLBACK((plugin_feature_callback_t)plugin_cb, NULL),
+ PLUGIN_PROVIDE(CUSTOM, "acert"),
+ };
+ *features = f;
+ return countof(f);
+}
+
+METHOD(plugin_t, destroy, void,
+ private_acert_plugin_t *this)
+{
+ this->validator->destroy(this->validator);
+ free(this);
+}
+
+/*
+ * see header file
+ */
+plugin_t *acert_plugin_create()
+{
+ private_acert_plugin_t *this;
+
+ INIT(this,
+ .public = {
+ .plugin = {
+ .get_name = _get_name,
+ .get_features = _get_features,
+ .destroy = _destroy,
+ },
+ },
+ .validator = acert_validator_create(),
+ );
+
+ return &this->public.plugin;
+}
--- /dev/null
+/*
+ * Copyright (C) 2014 Martin Willi
+ * Copyright (C) 2014 revosec AG
+ *
+ * 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 acert acert
+ * @ingroup plugins
+ *
+ * @defgroup acert_plugin acert_plugin
+ * @{ @ingroup acert
+ */
+
+#ifndef ACERT_PLUGIN_H_
+#define ACERT_PLUGIN_H_
+
+#include <plugins/plugin.h>
+
+typedef struct acert_plugin_t acert_plugin_t;
+
+/**
+ * X.509 attribute certificate group membership checking.
+ */
+struct acert_plugin_t {
+
+ /**
+ * Implements plugin_t. interface.
+ */
+ plugin_t plugin;
+};
+
+#endif /** ACERT_PLUGIN_H_ @}*/
--- /dev/null
+/*
+ * Copyright (C) 2014 Martin Willi
+ * Copyright (C) 2014 revosec AG
+ *
+ * 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.
+ */
+
+#define _GNU_SOURCE
+#include <library.h>
+
+#include "acert_validator.h"
+
+#include <credentials/certificates/x509.h>
+#include <credentials/certificates/ac.h>
+
+typedef struct private_acert_validator_t private_acert_validator_t;
+
+/**
+ * Private data of an acert_validator_t object.
+ */
+struct private_acert_validator_t {
+
+ /**
+ * Public acert_validator_t interface.
+ */
+ acert_validator_t public;
+};
+
+/**
+ * Check if an AC can be trusted
+ */
+static bool verify(private_acert_validator_t *this, certificate_t *ac)
+{
+ certificate_t *issuer;
+ enumerator_t *enumerator;
+ bool verified = FALSE;
+
+ if (!ac->get_validity(ac, NULL, NULL, NULL))
+ {
+ return FALSE;
+ }
+ DBG1(DBG_CFG, "verifying attribute certificate issued by \"%Y\"",
+ ac->get_issuer(ac));
+ enumerator = lib->credmgr->create_trusted_enumerator(lib->credmgr, KEY_ANY,
+ ac->get_issuer(ac), TRUE);
+ while (enumerator->enumerate(enumerator, &issuer, NULL))
+ {
+ if (issuer->get_validity(issuer, NULL, NULL, NULL))
+ {
+ if (lib->credmgr->issued_by(lib->credmgr, ac, issuer, NULL))
+ {
+ verified = TRUE;
+ break;
+ }
+ }
+ }
+ enumerator->destroy(enumerator);
+
+ return verified;
+}
+
+/**
+ * Apply AC group membership to auth config
+ */
+static void apply(private_acert_validator_t *this, ac_t *ac, auth_cfg_t *auth)
+{
+ enumerator_t *enumerator;
+ ac_group_type_t type;
+ chunk_t chunk;
+
+ enumerator = ac->create_group_enumerator(ac);
+ while (enumerator->enumerate(enumerator, &type, &chunk))
+ {
+ if (type == AC_GROUP_TYPE_STRING)
+ {
+ auth->add(auth, AUTH_RULE_GROUP,
+ identification_create_from_data(chunk));
+ }
+ }
+ enumerator->destroy(enumerator);
+}
+
+METHOD(cert_validator_t, validate, bool,
+ private_acert_validator_t *this, certificate_t *subject,
+ certificate_t *issuer, bool online, u_int pathlen, bool anchor,
+ auth_cfg_t *auth)
+{
+ /* for X.509 end entity certs only */
+ if (pathlen == 0 && subject->get_type(subject) == CERT_X509)
+ {
+ x509_t *x509 = (x509_t*)subject;
+ enumerator_t *enumerator;
+ identification_t *id, *serial;
+ ac_t *ac;
+
+ /* find attribute certificates by serial and issuer. A lookup by
+ * the holder DN would work as well, but RFC 5755 recommends the use
+ * of baseCertificateID. */
+ serial = identification_create_from_encoding(ID_KEY_ID,
+ x509->get_serial(x509));
+ enumerator = lib->credmgr->create_cert_enumerator(lib->credmgr,
+ CERT_X509_AC, KEY_ANY, serial, FALSE);
+ while (enumerator->enumerate(enumerator, &ac))
+ {
+ id = ac->get_holderIssuer(ac);
+ if (id && id->equals(id, subject->get_issuer(subject)))
+ {
+ if (verify(this, &ac->certificate))
+ {
+ apply(this, ac, auth);
+ }
+ }
+ }
+ enumerator->destroy(enumerator);
+ serial->destroy(serial);
+ }
+ return TRUE;
+}
+
+METHOD(acert_validator_t, destroy, void,
+ private_acert_validator_t *this)
+{
+ free(this);
+}
+
+/**
+ * See header
+ */
+acert_validator_t *acert_validator_create()
+{
+ private_acert_validator_t *this;
+
+ INIT(this,
+ .public = {
+ .validator.validate = _validate,
+ .destroy = _destroy,
+ },
+ );
+
+ return &this->public;
+}
--- /dev/null
+/*
+ * Copyright (C) 2014 Martin Willi
+ * Copyright (C) 2014 revosec AG
+ *
+ * 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 acert_validator acert_validator
+ * @{ @ingroup acert
+ */
+
+#ifndef ACERT_VALIDATOR_H_
+#define ACERT_VALIDATOR_H_
+
+#include <credentials/cert_validator.h>
+
+typedef struct acert_validator_t acert_validator_t;
+
+/**
+ * Attribute certificate group membership checking
+ */
+struct acert_validator_t {
+
+ /**
+ * Implements cert_validator_t interface.
+ */
+ cert_validator_t validator;
+
+ /**
+ * Destroy a acert_validator_t.
+ */
+ void (*destroy)(acert_validator_t *this);
+};
+
+/**
+ * Create a acert_validator instance.
+ */
+acert_validator_t *acert_validator_create();
+
+#endif /** ACERT_VALIDATOR_H_ @}*/
projects / thirdparty / strongswan.git / commitdiff
