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-rw-r--r--src/libimcv/generic/generic_attr_bool.c248
-rw-r--r--src/libimcv/generic/generic_attr_bool.h67
-rw-r--r--src/libimcv/generic/generic_attr_chunk.c182
-rw-r--r--src/libimcv/generic/generic_attr_chunk.h60
-rw-r--r--src/libimcv/generic/generic_attr_string.c183
-rw-r--r--src/libimcv/generic/generic_attr_string.h59
6 files changed, 799 insertions, 0 deletions
diff --git a/src/libimcv/generic/generic_attr_bool.c b/src/libimcv/generic/generic_attr_bool.c
new file mode 100644
index 000000000..3f570d9f8
--- /dev/null
+++ b/src/libimcv/generic/generic_attr_bool.c
@@ -0,0 +1,248 @@
+/*
+ * Copyright (C) 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 "generic_attr_bool.h"
+
+#include <imcv.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_generic_attr_bool_t private_generic_attr_bool_t;
+
+/**
+ * Generic PA-TNC attribute containing boolean status value in 32 bit encoding
+ *
+ * 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
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Boolean Value |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ */
+
+#define ATTR_BOOL_SIZE 4
+
+/**
+ * Private data of an generic_attr_bool_t object.
+ */
+struct private_generic_attr_bool_t {
+
+ /**
+ * Public members of generic_attr_bool_t
+ */
+ generic_attr_bool_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;
+
+ /**
+ * Boolean status value
+ */
+ bool status;
+
+ /**
+ * Reference count
+ */
+ refcount_t ref;
+};
+
+METHOD(pa_tnc_attr_t, get_type, pen_type_t,
+ private_generic_attr_bool_t *this)
+{
+ return this->type;
+}
+
+METHOD(pa_tnc_attr_t, get_value, chunk_t,
+ private_generic_attr_bool_t *this)
+{
+ return this->value;
+}
+
+METHOD(pa_tnc_attr_t, get_noskip_flag, bool,
+ private_generic_attr_bool_t *this)
+{
+ return this->noskip_flag;
+}
+
+METHOD(pa_tnc_attr_t, set_noskip_flag,void,
+ private_generic_attr_bool_t *this, bool noskip)
+{
+ this->noskip_flag = noskip;
+}
+
+METHOD(pa_tnc_attr_t, build, void,
+ private_generic_attr_bool_t *this)
+{
+ bio_writer_t *writer;
+
+ if (this->value.ptr)
+ {
+ return;
+ }
+ writer = bio_writer_create(ATTR_BOOL_SIZE);
+ writer->write_uint32(writer, this->status);
+
+ this->value = writer->extract_buf(writer);
+ this->length = this->value.len;
+ writer->destroy(writer);
+}
+
+METHOD(pa_tnc_attr_t, process, status_t,
+ private_generic_attr_bool_t *this, u_int32_t *offset)
+{
+ enum_name_t *pa_attr_names;
+ bio_reader_t *reader;
+ u_int32_t status;
+
+ *offset = 0;
+
+ if (this->value.len < this->length)
+ {
+ return NEED_MORE;
+ }
+ pa_attr_names = imcv_pa_tnc_attributes->get_names(imcv_pa_tnc_attributes,
+ this->type.vendor_id);
+
+ if (this->value.len != ATTR_BOOL_SIZE)
+ {
+ DBG1(DBG_TNC, "incorrect attribute size for %N/%N",
+ pen_names, this->type.vendor_id, pa_attr_names, this->type.type);
+ return FAILED;
+ }
+ reader = bio_reader_create(this->value);
+ reader->read_uint32(reader, &status);
+ reader->destroy(reader);
+
+ if (status > 1)
+ {
+ DBG1(DBG_TNC, "%N/%N attribute contains invalid non-boolean value %u",
+ pen_names, this->type.vendor_id, pa_attr_names, this->type.type,
+ status);
+ return FAILED;
+ }
+ this->status = status;
+
+ return SUCCESS;
+}
+
+METHOD(pa_tnc_attr_t, add_segment, void,
+ private_generic_attr_bool_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_generic_attr_bool_t *this)
+{
+ ref_get(&this->ref);
+ return &this->public.pa_tnc_attribute;
+}
+
+METHOD(pa_tnc_attr_t, destroy, void,
+ private_generic_attr_bool_t *this)
+{
+ if (ref_put(&this->ref))
+ {
+ free(this->value.ptr);
+ free(this);
+ }
+}
+
+METHOD(generic_attr_bool_t, get_status, bool,
+ private_generic_attr_bool_t *this)
+{
+ return this->status;
+}
+
+/**
+ * Described in header.
+ */
+pa_tnc_attr_t *generic_attr_bool_create(bool status, pen_type_t type)
+{
+ private_generic_attr_bool_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,
+ .status = status,
+ .ref = 1,
+ );
+
+ return &this->public.pa_tnc_attribute;
+}
+
+/**
+ * Described in header.
+ */
+pa_tnc_attr_t *generic_attr_bool_create_from_data(size_t length, chunk_t data,
+ pen_type_t type)
+{
+ private_generic_attr_bool_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;
+}
+
diff --git a/src/libimcv/generic/generic_attr_bool.h b/src/libimcv/generic/generic_attr_bool.h
new file mode 100644
index 000000000..93754bf9d
--- /dev/null
+++ b/src/libimcv/generic/generic_attr_bool.h
@@ -0,0 +1,67 @@
+/*
+ * Copyright (C) 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 generic_attr_bool generic_attr_bool
+ * @{ @ingroup generic_attr
+ */
+
+#ifndef GENERIC_ATTR_BOOL_H_
+#define GENERIC_ATTR_BOOL_H_
+
+typedef struct generic_attr_bool_t generic_attr_bool_t;
+
+#include <pen/pen.h>
+#include "pa_tnc/pa_tnc_attr.h"
+
+/**
+ * Class implementing a generic PA-TNC attribute containing a boolean status
+ * value encoded as a 32 bit unsigned integer (0,1) in network order
+ */
+struct generic_attr_bool_t {
+
+ /**
+ * Public PA-TNC attribute interface
+ */
+ pa_tnc_attr_t pa_tnc_attribute;
+
+ /**
+ * Gets boolean value
+ *
+ * @return Boolean status value
+ */
+ bool (*get_status)(generic_attr_bool_t *this);
+
+};
+
+/**
+ * Creates a generic_attr_bool_t object
+ *
+ * @param status Boolean status value
+ * @param type Vendor ID / Attribute Type
+ */
+pa_tnc_attr_t* generic_attr_bool_create(bool status, pen_type_t type);
+
+/**
+ * Creates an generic_attr_bool_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* generic_attr_bool_create_from_data(size_t length, chunk_t value,
+ pen_type_t type);
+
+#endif /** GENERIC_ATTR_BOOL_H_ @}*/
diff --git a/src/libimcv/generic/generic_attr_chunk.c b/src/libimcv/generic/generic_attr_chunk.c
new file mode 100644
index 000000000..98a539987
--- /dev/null
+++ b/src/libimcv/generic/generic_attr_chunk.c
@@ -0,0 +1,182 @@
+/*
+ * Copyright (C) 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 "generic_attr_chunk.h"
+
+#include <imcv.h>
+#include <pen/pen.h>
+#include <utils/debug.h>
+
+typedef struct private_generic_attr_chunk_t private_generic_attr_chunk_t;
+
+/**
+ * Private data of an generic_attr_chunk_t object.
+ */
+struct private_generic_attr_chunk_t {
+
+ /**
+ * Public members of generic_attr_chunk_t
+ */
+ generic_attr_chunk_t public;
+
+ /**
+ * Vendor-specific attribute type
+ */
+ pen_type_t type;
+
+ /**
+ * Length of attribute value
+ */
+ size_t length;
+
+ /**
+ * Fixed size of attribute value, set to 0 if dynamic
+ */
+ size_t size;
+
+ /**
+ * Attribute value or segment
+ */
+ chunk_t value;
+
+ /**
+ * Noskip flag
+ */
+ bool noskip_flag;
+
+ /**
+ * Reference count
+ */
+ refcount_t ref;
+};
+
+METHOD(pa_tnc_attr_t, get_type, pen_type_t,
+ private_generic_attr_chunk_t *this)
+{
+ return this->type;
+}
+
+METHOD(pa_tnc_attr_t, get_value, chunk_t,
+ private_generic_attr_chunk_t *this)
+{
+ return this->value;
+}
+
+METHOD(pa_tnc_attr_t, get_noskip_flag, bool,
+ private_generic_attr_chunk_t *this)
+{
+ return this->noskip_flag;
+}
+
+METHOD(pa_tnc_attr_t, set_noskip_flag,void,
+ private_generic_attr_chunk_t *this, bool noskip)
+{
+ this->noskip_flag = noskip;
+}
+
+METHOD(pa_tnc_attr_t, build, void,
+ private_generic_attr_chunk_t *this)
+{
+ return;
+}
+
+METHOD(pa_tnc_attr_t, process, status_t,
+ private_generic_attr_chunk_t *this, u_int32_t *offset)
+{
+ enum_name_t *pa_attr_names;
+ *offset = 0;
+
+ if (this->value.len < this->length)
+ {
+ return NEED_MORE;
+ }
+ pa_attr_names = imcv_pa_tnc_attributes->get_names(imcv_pa_tnc_attributes,
+ this->type.vendor_id);
+
+ if ((this->size == 0 && this->value.len > this->length) ||
+ (this->size != 0 && this->value.len != this->size))
+ {
+ DBG1(DBG_TNC, "inconsistent length of %N/%N string attribute",
+ pen_names, this->type.vendor_id, pa_attr_names, this->type.type);
+ return FAILED;
+ }
+
+ return SUCCESS;
+}
+
+METHOD(pa_tnc_attr_t, add_segment, void,
+ private_generic_attr_chunk_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_generic_attr_chunk_t *this)
+{
+ ref_get(&this->ref);
+ return &this->public.pa_tnc_attribute;
+}
+
+METHOD(pa_tnc_attr_t, destroy, void,
+ private_generic_attr_chunk_t *this)
+{
+ if (ref_put(&this->ref))
+ {
+ free(this->value.ptr);
+ free(this);
+ }
+}
+
+/**
+ * Described in header.
+ */
+pa_tnc_attr_t *generic_attr_chunk_create_from_data(size_t length, chunk_t value,
+ size_t size, pen_type_t type)
+{
+ private_generic_attr_chunk_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,
+ },
+ },
+ .type = type,
+ .length = length,
+ .size = size,
+ .value = chunk_clone(value),
+ .ref = 1,
+ );
+
+ return &this->public.pa_tnc_attribute;
+}
+
+/**
+ * Described in header.
+ */
+pa_tnc_attr_t *generic_attr_chunk_create(chunk_t value, pen_type_t type)
+{
+ return generic_attr_chunk_create_from_data(value.len, value,
+ value.len, type);
+}
+
diff --git a/src/libimcv/generic/generic_attr_chunk.h b/src/libimcv/generic/generic_attr_chunk.h
new file mode 100644
index 000000000..a9b3a62de
--- /dev/null
+++ b/src/libimcv/generic/generic_attr_chunk.h
@@ -0,0 +1,60 @@
+/*
+ * Copyright (C) 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 generic_attr_chunk generic_attr_chunk
+ * @{ @ingroup generic_attr
+ */
+
+#ifndef GENERIC_ATTR_CHUNK_H_
+#define GENERIC_ATTR_CHUNK_H_
+
+typedef struct generic_attr_chunk_t generic_attr_chunk_t;
+
+#include <pen/pen.h>
+#include "pa_tnc/pa_tnc_attr.h"
+
+/**
+ * Class implementing a generic PA-TNC attribute containing a possibly
+ * binary string with either a fixed or variable size
+ */
+struct generic_attr_chunk_t {
+
+ /**
+ * Public PA-TNC attribute interface
+ */
+ pa_tnc_attr_t pa_tnc_attribute;
+};
+
+/**
+ * Creates a generic_attr_chunk_t object
+ *
+ * @param string Non-nul terminated string
+ * @param type Vendor ID / Attribute Type
+ */
+pa_tnc_attr_t* generic_attr_chunk_create(chunk_t string, pen_type_t type);
+
+/**
+ * Creates an generic_attr_chunk_t object from received data
+ *
+ * @param length Total length of attribute value
+ * @param value Unparsed attribute value (might be a segment)
+ * @param size size in bytes if fixed array or 0 if dynamic size
+ * @param type Vendor ID / Attribute Type
+ */
+pa_tnc_attr_t* generic_attr_chunk_create_from_data(size_t length, chunk_t value,
+ size_t size, pen_type_t type);
+
+#endif /** GENERIC_ATTR_CHUNK_H_ @}*/
diff --git a/src/libimcv/generic/generic_attr_string.c b/src/libimcv/generic/generic_attr_string.c
new file mode 100644
index 000000000..e63c0126a
--- /dev/null
+++ b/src/libimcv/generic/generic_attr_string.c
@@ -0,0 +1,183 @@
+/*
+ * Copyright (C) 2013-2015 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 "generic_attr_string.h"
+
+#include <imcv.h>
+#include <pen/pen.h>
+#include <utils/debug.h>
+
+typedef struct private_generic_attr_string_t private_generic_attr_string_t;
+
+/**
+ * Private data of an generic_attr_string_t object.
+ */
+struct private_generic_attr_string_t {
+
+ /**
+ * Public members of generic_attr_string_t
+ */
+ generic_attr_string_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;
+
+ /**
+ * Reference count
+ */
+ refcount_t ref;
+};
+
+METHOD(pa_tnc_attr_t, get_type, pen_type_t,
+ private_generic_attr_string_t *this)
+{
+ return this->type;
+}
+
+METHOD(pa_tnc_attr_t, get_value, chunk_t,
+ private_generic_attr_string_t *this)
+{
+ return this->value;
+}
+
+METHOD(pa_tnc_attr_t, get_noskip_flag, bool,
+ private_generic_attr_string_t *this)
+{
+ return this->noskip_flag;
+}
+
+METHOD(pa_tnc_attr_t, set_noskip_flag,void,
+ private_generic_attr_string_t *this, bool noskip)
+{
+ this->noskip_flag = noskip;
+}
+
+METHOD(pa_tnc_attr_t, build, void,
+ private_generic_attr_string_t *this)
+{
+ return;
+}
+
+METHOD(pa_tnc_attr_t, process, status_t,
+ private_generic_attr_string_t *this, u_int32_t *offset)
+{
+ enum_name_t *pa_attr_names;
+ u_char *pos;
+ *offset = 0;
+
+ if (this->value.len < this->length)
+ {
+ return NEED_MORE;
+ }
+ pa_attr_names = imcv_pa_tnc_attributes->get_names(imcv_pa_tnc_attributes,
+ this->type.vendor_id);
+ if (this->value.len > this->length)
+ {
+ DBG1(DBG_TNC, "inconsistent length of %N/%N string attribute",
+ pen_names, this->type.vendor_id, pa_attr_names, this->type.type);
+ return FAILED;
+ }
+
+ pos = memchr(this->value.ptr, '\0', this->value.len);
+ if (pos)
+ {
+ DBG1(DBG_TNC, "nul termination in %N/%N string attribute",
+ pen_names, this->type.vendor_id, pa_attr_names, this->type.type);
+ *offset = pos - this->value.ptr;
+ return FAILED;
+ }
+
+ return SUCCESS;
+}
+
+METHOD(pa_tnc_attr_t, add_segment, void,
+ private_generic_attr_string_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_generic_attr_string_t *this)
+{
+ ref_get(&this->ref);
+ return &this->public.pa_tnc_attribute;
+}
+
+METHOD(pa_tnc_attr_t, destroy, void,
+ private_generic_attr_string_t *this)
+{
+ if (ref_put(&this->ref))
+ {
+ free(this->value.ptr);
+ free(this);
+ }
+}
+
+/**
+ * Described in header.
+ */
+pa_tnc_attr_t *generic_attr_string_create_from_data(size_t length,
+ chunk_t value, pen_type_t type)
+{
+ private_generic_attr_string_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,
+ },
+ },
+ .type = type,
+ .length = length,
+ .value = chunk_clone(value),
+ .ref = 1,
+ );
+
+ return &this->public.pa_tnc_attribute;
+}
+
+/**
+ * Described in header.
+ */
+pa_tnc_attr_t *generic_attr_string_create(chunk_t value, pen_type_t type)
+{
+ return generic_attr_string_create_from_data(value.len, value, type);
+}
+
diff --git a/src/libimcv/generic/generic_attr_string.h b/src/libimcv/generic/generic_attr_string.h
new file mode 100644
index 000000000..d830ab4aa
--- /dev/null
+++ b/src/libimcv/generic/generic_attr_string.h
@@ -0,0 +1,59 @@
+/*
+ * Copyright (C) 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 generic_attr_string generic_attr_string
+ * @{ @ingroup generic_attr
+ */
+
+#ifndef GENERIC_ATTR_STRING_H_
+#define GENERIC_ATTR_STRING_H_
+
+typedef struct generic_attr_string_t generic_attr_string_t;
+
+#include <pen/pen.h>
+#include "pa_tnc/pa_tnc_attr.h"
+
+/**
+ * Class implementing a generic PA-TNC attribute containing a non-nul
+ * terminated printable string
+ */
+struct generic_attr_string_t {
+
+ /**
+ * Public PA-TNC attribute interface
+ */
+ pa_tnc_attr_t pa_tnc_attribute;
+};
+
+/**
+ * Creates a generic_attr_string_t object
+ *
+ * @param string Non-nul terminated string
+ * @param type Vendor ID / Attribute Type
+ */
+pa_tnc_attr_t* generic_attr_string_create(chunk_t string, pen_type_t type);
+
+/**
+ * Creates an generic_attr_string_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* generic_attr_string_create_from_data(size_t length,
+ chunk_t value, pen_type_t type);
+
+#endif /** GENERIC_ATTR_STRING_H_ @}*/
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