/* * Copyright (C) 2012 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 . * * 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_numeric_version.h" #include #include #include #include typedef struct private_ietf_attr_numeric_version_t private_ietf_attr_numeric_version_t; /** * PA-TNC Numeric Version type (see section 4.2.3 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 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * | Major Version Number | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * | Minor Version Number | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * | Build Number | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * | Service Pack Major | Service Pack Minor | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ */ #define NUMERIC_VERSION_SIZE 16 /** * Private data of an ietf_attr_numeric_version_t object. */ struct private_ietf_attr_numeric_version_t { /** * Public members of ietf_attr_numeric_version_t */ ietf_attr_numeric_version_t public; /** * Vendor-specific attribute type */ pen_type_t type; /** * Attribute value */ chunk_t value; /** * Noskip flag */ bool noskip_flag; /** * Major Version Number */ u_int32_t major_version; /** * Minor Version Number */ u_int32_t minor_version; /** * IBuild Number */ u_int32_t build; /** * Service Pack Major Number */ u_int16_t service_pack_major; /** * Service Pack Minor Number */ u_int16_t service_pack_minor; /** * Reference count */ refcount_t ref; }; METHOD(pa_tnc_attr_t, get_type, pen_type_t, private_ietf_attr_numeric_version_t *this) { return this->type; } METHOD(pa_tnc_attr_t, get_value, chunk_t, private_ietf_attr_numeric_version_t *this) { return this->value; } METHOD(pa_tnc_attr_t, get_noskip_flag, bool, private_ietf_attr_numeric_version_t *this) { return this->noskip_flag; } METHOD(pa_tnc_attr_t, set_noskip_flag,void, private_ietf_attr_numeric_version_t *this, bool noskip) { this->noskip_flag = noskip; } METHOD(pa_tnc_attr_t, build, void, private_ietf_attr_numeric_version_t *this) { bio_writer_t *writer; if (this->value.ptr) { return; } writer = bio_writer_create(NUMERIC_VERSION_SIZE); writer->write_uint32(writer, this->major_version); writer->write_uint32(writer, this->minor_version); writer->write_uint32(writer, this->build); writer->write_uint16(writer, this->service_pack_major); writer->write_uint16(writer, this->service_pack_minor); this->value = chunk_clone(writer->get_buf(writer)); writer->destroy(writer); } METHOD(pa_tnc_attr_t, process, status_t, private_ietf_attr_numeric_version_t *this, u_int32_t *offset) { bio_reader_t *reader; if (this->value.len < NUMERIC_VERSION_SIZE) { DBG1(DBG_TNC, "insufficient data for IETF numeric version"); *offset = 0; return FAILED; } reader = bio_reader_create(this->value); reader->read_uint32(reader, &this->major_version); reader->read_uint32(reader, &this->minor_version); reader->read_uint32(reader, &this->build); reader->read_uint16(reader, &this->service_pack_major); reader->read_uint16(reader, &this->service_pack_minor); reader->destroy(reader); return SUCCESS; } METHOD(pa_tnc_attr_t, get_ref, pa_tnc_attr_t*, private_ietf_attr_numeric_version_t *this) { ref_get(&this->ref); return &this->public.pa_tnc_attribute; } METHOD(pa_tnc_attr_t, destroy, void, private_ietf_attr_numeric_version_t *this) { if (ref_put(&this->ref)) { free(this->value.ptr); free(this); } } METHOD(ietf_attr_numeric_version_t, get_version, void, private_ietf_attr_numeric_version_t *this, u_int32_t *major, u_int32_t *minor) { if (major) { *major = this->major_version; } if (minor) { *minor = this->minor_version; } } METHOD(ietf_attr_numeric_version_t, get_build, u_int32_t, private_ietf_attr_numeric_version_t *this) { return this->build; } METHOD(ietf_attr_numeric_version_t, get_service_pack, void, private_ietf_attr_numeric_version_t *this, u_int16_t *major, u_int16_t *minor) { if (major) { *major = this->service_pack_major; } if (minor) { *minor = this->service_pack_minor; } } /** * Described in header. */ pa_tnc_attr_t *ietf_attr_numeric_version_create(u_int32_t major, u_int32_t minor, u_int32_t build, u_int16_t service_pack_major, u_int16_t service_pack_minor) { private_ietf_attr_numeric_version_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, .get_ref = _get_ref, .destroy = _destroy, }, .get_version = _get_version, .get_build = _get_build, .get_service_pack = _get_service_pack, }, .type = { PEN_IETF, IETF_ATTR_NUMERIC_VERSION }, .major_version = major, .minor_version = minor, .build = build, .service_pack_major = service_pack_major, .service_pack_minor = service_pack_minor, .ref = 1, ); return &this->public.pa_tnc_attribute; } /** * Described in header. */ pa_tnc_attr_t *ietf_attr_numeric_version_create_from_data(chunk_t data) { private_ietf_attr_numeric_version_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, .get_ref = _get_ref, .destroy = _destroy, }, .get_version = _get_version, .get_build = _get_build, .get_service_pack = _get_service_pack, }, .type = { PEN_IETF, IETF_ATTR_NUMERIC_VERSION }, .value = chunk_clone(data), .ref = 1, ); return &this->public.pa_tnc_attribute; }