--- /dev/null
+/*
+ * Copyright (C) 2012-2015 Andreas Steffen
+ * HSR 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 "ietf_attr_fwd_enabled.h"
+
+#include <pa_tnc/pa_tnc_msg.h>
+#include <bio/bio_writer.h>
+#include <bio/bio_reader.h>
+#include <utils/debug.h>
+
+typedef struct private_ietf_attr_fwd_enabled_t private_ietf_attr_fwd_enabled_t;
+
+/**
+ * PA-TNC Forwarding Enabled type (see section 4.2.11 of RFC 5792)
+ *
+ * 1 2 3
+ * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Forwarding Enabled |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ */
+
+#define FORWARDING_ENABLED_SIZE 4
+
+/**
+ * Private data of an ietf_attr_fwd_enabled_t object.
+ */
+struct private_ietf_attr_fwd_enabled_t {
+
+ /**
+ * Public members of ietf_attr_fwd_enabled_t
+ */
+ ietf_attr_fwd_enabled_t public;
+
+ /**
+ * Vendor-specific attribute type
+ */
+ pen_type_t type;
+
+ /**
+ * Length of attribute value
+ */
+ size_t length;
+
+ /**
+ * Attribute value or segment
+ */
+ chunk_t value;
+
+ /**
+ * Noskip flag
+ */
+ bool noskip_flag;
+
+ /**
+ * Forwarding Enabled status
+ */
+ os_fwd_status_t fwd_status;
+
+ /**
+ * Reference count
+ */
+ refcount_t ref;
+};
+
+METHOD(pa_tnc_attr_t, get_type, pen_type_t,
+ private_ietf_attr_fwd_enabled_t *this)
+{
+ return this->type;
+}
+
+METHOD(pa_tnc_attr_t, get_value, chunk_t,
+ private_ietf_attr_fwd_enabled_t *this)
+{
+ return this->value;
+}
+
+METHOD(pa_tnc_attr_t, get_noskip_flag, bool,
+ private_ietf_attr_fwd_enabled_t *this)
+{
+ return this->noskip_flag;
+}
+
+METHOD(pa_tnc_attr_t, set_noskip_flag,void,
+ private_ietf_attr_fwd_enabled_t *this, bool noskip)
+{
+ this->noskip_flag = noskip;
+}
+
+METHOD(pa_tnc_attr_t, build, void,
+ private_ietf_attr_fwd_enabled_t *this)
+{
+ bio_writer_t *writer;
+
+ if (this->value.ptr)
+ {
+ return;
+ }
+ writer = bio_writer_create(FORWARDING_ENABLED_SIZE);
+ writer->write_uint32(writer, this->fwd_status);
+
+ this->value = writer->extract_buf(writer);
+ this->length = this->value.len;
+ writer->destroy(writer);
+}
+
+METHOD(pa_tnc_attr_t, process, status_t,
+ private_ietf_attr_fwd_enabled_t *this, u_int32_t *offset)
+{
+ bio_reader_t *reader;
+ u_int32_t fwd_status;
+
+ *offset = 0;
+
+ if (this->value.len < this->length)
+ {
+ return NEED_MORE;
+ }
+ if (this->value.len != FORWARDING_ENABLED_SIZE)
+ {
+ DBG1(DBG_TNC, "incorrect size for IETF forwarding enabled attribute");
+ return FAILED;
+ }
+ reader = bio_reader_create(this->value);
+ reader->read_uint32(reader, &fwd_status);
+ reader->destroy(reader);
+
+ if (fwd_status > OS_FWD_UNKNOWN)
+ {
+ DBG1(DBG_TNC, "IETF forwarding enabled field has unknown value %u",
+ fwd_status);
+ return FAILED;
+ }
+ this->fwd_status = fwd_status;
+
+ return SUCCESS;
+}
+
+METHOD(pa_tnc_attr_t, add_segment, void,
+ private_ietf_attr_fwd_enabled_t *this, chunk_t segment)
+{
+ this->value = chunk_cat("mc", this->value, segment);
+}
+
+METHOD(pa_tnc_attr_t, get_ref, pa_tnc_attr_t*,
+ private_ietf_attr_fwd_enabled_t *this)
+{
+ ref_get(&this->ref);
+ return &this->public.pa_tnc_attribute;
+}
+
+METHOD(pa_tnc_attr_t, destroy, void,
+ private_ietf_attr_fwd_enabled_t *this)
+{
+ if (ref_put(&this->ref))
+ {
+ free(this->value.ptr);
+ free(this);
+ }
+}
+
+METHOD(ietf_attr_fwd_enabled_t, get_status, os_fwd_status_t,
+ private_ietf_attr_fwd_enabled_t *this)
+{
+ return this->fwd_status;
+}
+
+/**
+ * Described in header.
+ */
+pa_tnc_attr_t *ietf_attr_fwd_enabled_create(os_fwd_status_t fwd_status,
+ pen_type_t type)
+{
+ private_ietf_attr_fwd_enabled_t *this;
+
+ INIT(this,
+ .public = {
+ .pa_tnc_attribute = {
+ .get_type = _get_type,
+ .get_value = _get_value,
+ .get_noskip_flag = _get_noskip_flag,
+ .set_noskip_flag = _set_noskip_flag,
+ .build = _build,
+ .process = _process,
+ .add_segment = _add_segment,
+ .get_ref = _get_ref,
+ .destroy = _destroy,
+ },
+ .get_status = _get_status,
+ },
+ .type = type,
+ .fwd_status = fwd_status,
+ .ref = 1,
+ );
+
+ return &this->public.pa_tnc_attribute;
+}
+
+/**
+ * Described in header.
+ */
+pa_tnc_attr_t *ietf_attr_fwd_enabled_create_from_data(size_t length,
+ chunk_t data, pen_type_t type)
+{
+ private_ietf_attr_fwd_enabled_t *this;
+
+ INIT(this,
+ .public = {
+ .pa_tnc_attribute = {
+ .get_type = _get_type,
+ .get_value = _get_value,
+ .get_noskip_flag = _get_noskip_flag,
+ .set_noskip_flag = _set_noskip_flag,
+ .build = _build,
+ .process = _process,
+ .add_segment = _add_segment,
+ .get_ref = _get_ref,
+ .destroy = _destroy,
+ },
+ .get_status = _get_status,
+ },
+ .type = type,
+ .length = length,
+ .value = chunk_clone(data),
+ .ref = 1,
+ );
+
+ return &this->public.pa_tnc_attribute;
+}
+
--- /dev/null
+/*
+ * Copyright (C) 2012-2015 Andreas Steffen
+ * HSR 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 ietf_attr_fwd_enabled ietf_attr_fwd_enabled
+ * @{ @ingroup ietf_attr
+ */
+
+#ifndef IETF_ATTR_FWD_ENABLED_H_
+#define IETF_ATTR_FWD_ENABLED_H_
+
+typedef struct ietf_attr_fwd_enabled_t ietf_attr_fwd_enabled_t;
+
+#include "ietf_attr.h"
+#include "pa_tnc/pa_tnc_attr.h"
+#include "os_info/os_info.h"
+
+/**
+ * Class implementing the IETF PA-TNC Forwarding Enabled attribute.
+ *
+ */
+struct ietf_attr_fwd_enabled_t {
+
+ /**
+ * Public PA-TNC attribute interface
+ */
+ pa_tnc_attr_t pa_tnc_attribute;
+
+ /**
+ * Gets the Forwarding Enabled status
+ *
+ * @return Forwarding Enabled status
+ */
+ os_fwd_status_t (*get_status)(ietf_attr_fwd_enabled_t *this);
+
+};
+
+/**
+ * Creates an ietf_attr_fwd_enabled_t object
+ *
+ * @param fwd_status Forwarding Enabled status
+ * @param type Vendor ID / Attribute Type
+ */
+pa_tnc_attr_t* ietf_attr_fwd_enabled_create(os_fwd_status_t fwd_status,
+ pen_type_t type);
+
+/**
+ * Creates an ietf_attr_fwd_enabled_t object from received data
+ *
+ * @param length Total length of attribute value
+ * @param value Unparsed attribute value (might be a segment)
+ * @param type Vendor ID / Attribute Type
+ */
+pa_tnc_attr_t* ietf_attr_fwd_enabled_create_from_data(size_t length,
+ chunk_t value, pen_type_t type);
+
+#endif /** IETF_ATTR_FWD_ENABLED_H_ @}*/
#include "generic/generic_attr_bool.h"
#include "generic/generic_attr_chunk.h"
#include "generic/generic_attr_string.h"
+#include "ietf/ietf_attr_fwd_enabled.h"
#include "ietf/ietf_attr_port_filter.h"
#include "pwg/pwg_attr_vendor_smi_code.h"
switch (type)
{
case PWG_HCD_DEFAULT_PWD_ENABLED:
- case PWG_HCD_FORWARDING_ENABLED:
case PWG_HCD_USER_APP_ENABLED:
case PWG_HCD_USER_APP_PERSIST_ENABLED:
case PWG_HCD_PSTN_FAX_ENABLED:
pen_type_create(PEN_PWG, type));
case PWG_HCD_VENDOR_SMI_CODE:
return pwg_attr_vendor_smi_code_create_from_data(length, value);
+ case PWG_HCD_FORWARDING_ENABLED:
+ return ietf_attr_fwd_enabled_create_from_data(length, value,
+ pen_type_create(PEN_PWG, type));
case PWG_HCD_FIREWALL_SETTING:
return ietf_attr_port_filter_create_from_data(length, value,
pen_type_create(PEN_PWG, type));