summaryrefslogtreecommitdiff
path: root/src/libimcv/ietf/ietf_attr_op_status.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/libimcv/ietf/ietf_attr_op_status.c')
-rw-r--r--src/libimcv/ietf/ietf_attr_op_status.c314
1 files changed, 314 insertions, 0 deletions
diff --git a/src/libimcv/ietf/ietf_attr_op_status.c b/src/libimcv/ietf/ietf_attr_op_status.c
new file mode 100644
index 000000000..d9610b29d
--- /dev/null
+++ b/src/libimcv/ietf/ietf_attr_op_status.c
@@ -0,0 +1,314 @@
+/*
+ * 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 <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_op_status.h"
+
+#include <pa_tnc/pa_tnc_msg.h>
+#include <bio/bio_writer.h>
+#include <bio/bio_reader.h>
+#include <utils/debug.h>
+
+#include <time.h>
+
+typedef struct private_ietf_attr_op_status_t private_ietf_attr_op_status_t;
+
+ENUM(op_status_names, OP_STATUS_UNKNOWN, OP_STATUS_OPERATIONAL,
+ "unknown",
+ "not installed",
+ "installed",
+ "operational"
+);
+
+ENUM(op_result_names, OP_RESULT_UNKNOWN, OP_RESULT_UNSUCCESSFUL,
+ "unknown",
+ "successful",
+ "errored",
+ "unsuccessful"
+);
+
+/**
+ * PA-TNC Operational Status type (see section 4.2.5 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
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Status | Result | Reserved |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Last Use |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Last Use (continued) |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Last Use (continued) |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Last Use (continued) |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Last Use (continued) |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ */
+
+#define OP_STATUS_SIZE 24
+
+/**
+ * Private data of an ietf_attr_op_status_t object.
+ */
+struct private_ietf_attr_op_status_t {
+
+ /**
+ * Public members of ietf_attr_op_status_t
+ */
+ ietf_attr_op_status_t public;
+
+ /**
+ * Vendor-specific attribute type
+ */
+ pen_type_t type;
+
+ /**
+ * Attribute value
+ */
+ chunk_t value;
+
+ /**
+ * Noskip flag
+ */
+ bool noskip_flag;
+
+ /**
+ * Status
+ */
+ u_int8_t status;
+
+ /**
+ * Result
+ */
+ u_int8_t result;
+
+ /**
+ * Last Use
+ */
+ time_t last_use;
+
+ /**
+ * Reference count
+ */
+ refcount_t ref;
+};
+
+METHOD(pa_tnc_attr_t, get_type, pen_type_t,
+ private_ietf_attr_op_status_t *this)
+{
+ return this->type;
+}
+
+METHOD(pa_tnc_attr_t, get_value, chunk_t,
+ private_ietf_attr_op_status_t *this)
+{
+ return this->value;
+}
+
+METHOD(pa_tnc_attr_t, get_noskip_flag, bool,
+ private_ietf_attr_op_status_t *this)
+{
+ return this->noskip_flag;
+}
+
+METHOD(pa_tnc_attr_t, set_noskip_flag,void,
+ private_ietf_attr_op_status_t *this, bool noskip)
+{
+ this->noskip_flag = noskip;
+}
+
+METHOD(pa_tnc_attr_t, build, void,
+ private_ietf_attr_op_status_t *this)
+{
+ bio_writer_t *writer;
+ char last_use[24];
+ struct tm t;
+
+ if (this->value.ptr)
+ {
+ return;
+ }
+
+ /* Conversion from time_t to RFC 3339 ASCII string */
+ gmtime_r(&this->last_use, &t);
+ snprintf(last_use, 21, "%04d-%02d-%02dT%02d:%02d:%02dZ", 1900 + t.tm_year,
+ t.tm_mon + 1, t.tm_mday, t.tm_hour, t.tm_min, t.tm_sec);
+
+ writer = bio_writer_create(OP_STATUS_SIZE);
+ writer->write_uint8 (writer, this->status);
+ writer->write_uint8 (writer, this->result);
+ writer->write_uint16(writer, 0x0000);
+ writer->write_data (writer, chunk_create(last_use, 20));
+
+ this->value = chunk_clone(writer->get_buf(writer));
+ writer->destroy(writer);
+}
+
+METHOD(pa_tnc_attr_t, process, status_t,
+ private_ietf_attr_op_status_t *this, u_int32_t *offset)
+{
+ bio_reader_t *reader;
+ chunk_t last_use;
+ u_int16_t reserved;
+ struct tm t;
+
+ *offset = 0;
+
+ if (this->value.len != OP_STATUS_SIZE)
+ {
+ DBG1(DBG_TNC, "incorrect size for IETF operational status");
+ return FAILED;
+ }
+ reader = bio_reader_create(this->value);
+ reader->read_uint8 (reader, &this->status);
+ reader->read_uint8 (reader, &this->result);
+ reader->read_uint16(reader, &reserved);
+ reader->read_data (reader, 20, &last_use);
+ reader->destroy(reader);
+
+ if (this->status > OP_STATUS_ROOF)
+ {
+ DBG1(DBG_TNC, "invalid status value %c for IETF operational status",
+ this->status);
+ return FAILED;
+ }
+
+ *offset = 1;
+
+ if (this->result > OP_RESULT_ROOF)
+ {
+ DBG1(DBG_TNC, "invalid result value %c for IETF operational status",
+ this->result);
+ return FAILED;
+ }
+
+ *offset = 4;
+
+ /* Conversion from RFC 3339 ASCII string to time_t */
+ if (sscanf(last_use.ptr, "%4d-%2d-%2dT%2d:%2d:%2dZ", &t.tm_year, &t.tm_mon,
+ &t.tm_mday, &t.tm_hour, &t.tm_min, &t.tm_sec) != 6)
+ {
+ DBG1(DBG_TNC, "invalid last_use time format in IETF operational status");
+ return FAILED;
+ }
+ t.tm_year -= 1900;
+ t.tm_mon -= 1;
+ t.tm_isdst = 0;
+ this->last_use = mktime(&t) - timezone;
+
+ return SUCCESS;
+}
+
+METHOD(pa_tnc_attr_t, get_ref, pa_tnc_attr_t*,
+ private_ietf_attr_op_status_t *this)
+{
+ ref_get(&this->ref);
+ return &this->public.pa_tnc_attribute;
+}
+
+METHOD(pa_tnc_attr_t, destroy, void,
+ private_ietf_attr_op_status_t *this)
+{
+ if (ref_put(&this->ref))
+ {
+ free(this->value.ptr);
+ free(this);
+ }
+}
+
+METHOD(ietf_attr_op_status_t, get_status, u_int8_t,
+ private_ietf_attr_op_status_t *this)
+{
+ return this->status;
+}
+
+METHOD(ietf_attr_op_status_t, get_result, u_int8_t,
+ private_ietf_attr_op_status_t *this)
+{
+ return this->result;
+}
+
+METHOD(ietf_attr_op_status_t, get_last_use, time_t,
+ private_ietf_attr_op_status_t *this)
+{
+ return this->last_use;
+}
+
+/**
+ * Described in header.
+ */
+pa_tnc_attr_t *ietf_attr_op_status_create(u_int8_t status, u_int8_t result,
+ time_t last_use)
+{
+ private_ietf_attr_op_status_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_status = _get_status,
+ .get_result = _get_result,
+ .get_last_use = _get_last_use,
+ },
+ .type = { PEN_IETF, IETF_ATTR_OPERATIONAL_STATUS },
+ .status = status,
+ .result = result,
+ .last_use = last_use,
+ .ref = 1,
+ );
+
+ return &this->public.pa_tnc_attribute;
+}
+
+/**
+ * Described in header.
+ */
+pa_tnc_attr_t *ietf_attr_op_status_create_from_data(chunk_t data)
+{
+ private_ietf_attr_op_status_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_status = _get_status,
+ .get_result = _get_result,
+ .get_last_use = _get_last_use,
+ },
+ .type = { PEN_IETF, IETF_ATTR_OPERATIONAL_STATUS },
+ .value = chunk_clone(data),
+ .ref = 1,
+ );
+
+ return &this->public.pa_tnc_attribute;
+}
+