diff options
Diffstat (limited to 'src/libimcv/ita')
-rw-r--r-- | src/libimcv/ita/ita_attr.c | 17 | ||||
-rw-r--r-- | src/libimcv/ita/ita_attr.h | 4 | ||||
-rw-r--r-- | src/libimcv/ita/ita_attr_angel.c | 159 | ||||
-rw-r--r-- | src/libimcv/ita/ita_attr_angel.h | 56 | ||||
-rw-r--r-- | src/libimcv/ita/ita_attr_command.c | 11 | ||||
-rw-r--r-- | src/libimcv/ita/ita_attr_dummy.c | 6 | ||||
-rw-r--r-- | src/libimcv/ita/ita_attr_get_settings.c | 264 | ||||
-rw-r--r-- | src/libimcv/ita/ita_attr_get_settings.h | 66 | ||||
-rw-r--r-- | src/libimcv/ita/ita_attr_settings.c | 326 | ||||
-rw-r--r-- | src/libimcv/ita/ita_attr_settings.h | 67 |
10 files changed, 968 insertions, 8 deletions
diff --git a/src/libimcv/ita/ita_attr.c b/src/libimcv/ita/ita_attr.c index 0ea799c3a..09754aed6 100644 --- a/src/libimcv/ita/ita_attr.c +++ b/src/libimcv/ita/ita_attr.c @@ -16,10 +16,17 @@ #include "ita_attr.h" #include "ita/ita_attr_command.h" #include "ita/ita_attr_dummy.h" +#include "ita/ita_attr_get_settings.h" +#include "ita/ita_attr_settings.h" +#include "ita/ita_attr_angel.h" -ENUM(ita_attr_names, ITA_ATTR_COMMAND, ITA_ATTR_DUMMY, +ENUM(ita_attr_names, ITA_ATTR_COMMAND, ITA_ATTR_STOP_ANGEL, "Command", "Dummy", + "Get Settings", + "Settings", + "Start Angel", + "Stop Angel" ); /** @@ -33,6 +40,14 @@ pa_tnc_attr_t* ita_attr_create_from_data(u_int32_t type, chunk_t value) return ita_attr_command_create_from_data(value); case ITA_ATTR_DUMMY: return ita_attr_dummy_create_from_data(value); + case ITA_ATTR_GET_SETTINGS: + return ita_attr_get_settings_create_from_data(value); + case ITA_ATTR_SETTINGS: + return ita_attr_settings_create_from_data(value); + case ITA_ATTR_START_ANGEL: + return ita_attr_angel_create_from_data(TRUE, value); + case ITA_ATTR_STOP_ANGEL: + return ita_attr_angel_create_from_data(FALSE, value); default: return NULL; } diff --git a/src/libimcv/ita/ita_attr.h b/src/libimcv/ita/ita_attr.h index 3baf0e3b8..d7b06146f 100644 --- a/src/libimcv/ita/ita_attr.h +++ b/src/libimcv/ita/ita_attr.h @@ -33,6 +33,10 @@ typedef enum ita_attr_t ita_attr_t; enum ita_attr_t { ITA_ATTR_COMMAND = 1, ITA_ATTR_DUMMY = 2, + ITA_ATTR_GET_SETTINGS = 3, + ITA_ATTR_SETTINGS = 4, + ITA_ATTR_START_ANGEL = 5, + ITA_ATTR_STOP_ANGEL = 6 }; /** diff --git a/src/libimcv/ita/ita_attr_angel.c b/src/libimcv/ita/ita_attr_angel.c new file mode 100644 index 000000000..0e9cff0a9 --- /dev/null +++ b/src/libimcv/ita/ita_attr_angel.c @@ -0,0 +1,159 @@ +/* + * 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 "ita_attr.h" +#include "ita_attr_angel.h" + +#include <bio/bio_reader.h> +#include <bio/bio_writer.h> +#include <collections/linked_list.h> +#include <pen/pen.h> +#include <utils/debug.h> + +typedef struct private_ita_attr_angel_t private_ita_attr_angel_t; + +/** + * Private data of an ita_attr_angel_t object. + */ +struct private_ita_attr_angel_t { + + /** + * Public members of ita_attr_angel_t + */ + ita_attr_angel_t public; + + /** + * Vendor-specific attribute type + */ + pen_type_t type; + + /** + * Noskip flag + */ + bool noskip_flag; + + /** + * Reference count + */ + refcount_t ref; +}; + +METHOD(pa_tnc_attr_t, get_type, pen_type_t, + private_ita_attr_angel_t *this) +{ + return this->type; +} + +METHOD(pa_tnc_attr_t, get_value, chunk_t, + private_ita_attr_angel_t *this) +{ + return chunk_empty; +} + +METHOD(pa_tnc_attr_t, get_noskip_flag, bool, + private_ita_attr_angel_t *this) +{ + return this->noskip_flag; +} + +METHOD(pa_tnc_attr_t, set_noskip_flag,void, + private_ita_attr_angel_t *this, bool noskip) +{ + this->noskip_flag = noskip; +} + +METHOD(pa_tnc_attr_t, build, void, + private_ita_attr_angel_t *this) +{ + /* nothing to build */ +} + +METHOD(pa_tnc_attr_t, process, status_t, + private_ita_attr_angel_t *this, u_int32_t *offset) +{ + return SUCCESS; +} + +METHOD(pa_tnc_attr_t, get_ref, pa_tnc_attr_t*, + private_ita_attr_angel_t *this) +{ + ref_get(&this->ref); + return &this->public.pa_tnc_attribute; +} + +METHOD(pa_tnc_attr_t, destroy, void, + private_ita_attr_angel_t *this) +{ + if (ref_put(&this->ref)) + { + free(this); + } +} + +/** + * Described in header. + */ +pa_tnc_attr_t *ita_attr_angel_create(bool start) +{ + private_ita_attr_angel_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, + }, + }, + .type = { PEN_ITA, start ? ITA_ATTR_START_ANGEL : ITA_ATTR_STOP_ANGEL }, + .ref = 1, + ); + + return &this->public.pa_tnc_attribute; +} + +/** + * Described in header. + */ +pa_tnc_attr_t *ita_attr_angel_create_from_data(bool start, chunk_t data) +{ + private_ita_attr_angel_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, + }, + }, + .type = { PEN_ITA, start ? ITA_ATTR_START_ANGEL : ITA_ATTR_STOP_ANGEL }, + .ref = 1, + ); + + return &this->public.pa_tnc_attribute; +} + + diff --git a/src/libimcv/ita/ita_attr_angel.h b/src/libimcv/ita/ita_attr_angel.h new file mode 100644 index 000000000..c392f7927 --- /dev/null +++ b/src/libimcv/ita/ita_attr_angel.h @@ -0,0 +1,56 @@ +/* + * 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. + */ + +/** + * @defgroup ita_attr_angelt ita_attr_angel + * @{ @ingroup ita_attr_angel + */ + +#ifndef ITA_ATTR_ANGEL_H_ +#define ITA_ATTR_ANGEL_H_ + +typedef struct ita_attr_angel_t ita_attr_angel_t; + +#include "pa_tnc/pa_tnc_attr.h" + +/** + * Class implementing the ITA Start/Stop Angel PA-TNC attribute. + * + */ +struct ita_attr_angel_t { + + /** + * Public PA-TNC attribute interface + */ + pa_tnc_attr_t pa_tnc_attribute; + +}; + +/** + * Creates an ita_attr_angel_t object with an empty settings list + * + * @param start TRUE for Start, FALSE for Stop Angel attribute + */ +pa_tnc_attr_t* ita_attr_angel_create(bool start); + +/** + * Creates an ita_attr_angel_t object from received data + * + * @param start TRUE for Start, FALSE for Stop Angel attribute + * @param value binary value blob + */ +pa_tnc_attr_t* ita_attr_angel_create_from_data(bool start, chunk_t value); + +#endif /** ITA_ATTR_ANGEL_H_ @}*/ diff --git a/src/libimcv/ita/ita_attr_command.c b/src/libimcv/ita/ita_attr_command.c index d43e4777b..f32ab2bfe 100644 --- a/src/libimcv/ita/ita_attr_command.c +++ b/src/libimcv/ita/ita_attr_command.c @@ -17,8 +17,9 @@ #include "ita_attr_command.h" #include <pen/pen.h> +#include <utils/debug.h> -#include <debug.h> +#include <string.h> typedef struct private_ita_attr_command_t private_ita_attr_command_t; @@ -96,11 +97,9 @@ METHOD(pa_tnc_attr_t, build, void, METHOD(pa_tnc_attr_t, process, status_t, private_ita_attr_command_t *this, u_int32_t *offset) { - this->command = malloc(this->value.len + 1); - memcpy(this->command, this->value.ptr, this->value.len); - this->command[this->value.len] = '\0'; + this->command = strndup(this->value.ptr, this->value.len); - return SUCCESS; + return SUCCESS; } METHOD(pa_tnc_attr_t, get_ref, pa_tnc_attr_t*, @@ -168,6 +167,8 @@ pa_tnc_attr_t *ita_attr_command_create_from_data(chunk_t data) .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, diff --git a/src/libimcv/ita/ita_attr_dummy.c b/src/libimcv/ita/ita_attr_dummy.c index f122256a1..6497d4645 100644 --- a/src/libimcv/ita/ita_attr_dummy.c +++ b/src/libimcv/ita/ita_attr_dummy.c @@ -18,7 +18,7 @@ #include <pen/pen.h> -#include <debug.h> +#include <utils/debug.h> typedef struct private_ita_attr_dummy_t private_ita_attr_dummy_t; @@ -98,7 +98,7 @@ METHOD(pa_tnc_attr_t, process, status_t, { this->size = this->value.len; - return SUCCESS; + return SUCCESS; } METHOD(pa_tnc_attr_t, get_ref, pa_tnc_attr_t*, @@ -165,6 +165,8 @@ pa_tnc_attr_t *ita_attr_dummy_create_from_data(chunk_t data) .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, diff --git a/src/libimcv/ita/ita_attr_get_settings.c b/src/libimcv/ita/ita_attr_get_settings.c new file mode 100644 index 000000000..8016b761d --- /dev/null +++ b/src/libimcv/ita/ita_attr_get_settings.c @@ -0,0 +1,264 @@ +/* + * 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 "ita_attr.h" +#include "ita_attr_get_settings.h" + +#include <bio/bio_reader.h> +#include <bio/bio_writer.h> +#include <collections/linked_list.h> +#include <pen/pen.h> +#include <utils/debug.h> + +#include <string.h> + +typedef struct private_ita_attr_get_settings_t private_ita_attr_get_settings_t; + +/** + * ITA Get Settings + * + * 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 + * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + * | Settings Count | + * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + * | Name Length | Name (Variable Length) ~ + * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + * ~ Name (Variable Length) ~ + * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + * | Name Length | Name (Variable Length) ~ + * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + * ~ Name (Variable Length) ~ + * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + * ........................... + */ + +#define ITA_GET_SETTINGS_MIN_SIZE 4 + +/** + * Private data of an ita_attr_get_settings_t object. + */ +struct private_ita_attr_get_settings_t { + + /** + * Public members of ita_attr_get_settings_t + */ + ita_attr_get_settings_t public; + + /** + * Vendor-specific attribute type + */ + pen_type_t type; + + /** + * Attribute value + */ + chunk_t value; + + /** + * Noskip flag + */ + bool noskip_flag; + + /** + * List of requested settings + */ + linked_list_t *list; + + /** + * Reference count + */ + refcount_t ref; +}; + +METHOD(pa_tnc_attr_t, get_type, pen_type_t, + private_ita_attr_get_settings_t *this) +{ + return this->type; +} + +METHOD(pa_tnc_attr_t, get_value, chunk_t, + private_ita_attr_get_settings_t *this) +{ + return this->value; +} + +METHOD(pa_tnc_attr_t, get_noskip_flag, bool, + private_ita_attr_get_settings_t *this) +{ + return this->noskip_flag; +} + +METHOD(pa_tnc_attr_t, set_noskip_flag,void, + private_ita_attr_get_settings_t *this, bool noskip) +{ + this->noskip_flag = noskip; +} + +METHOD(pa_tnc_attr_t, build, void, + private_ita_attr_get_settings_t *this) +{ + bio_writer_t *writer; + enumerator_t *enumerator; + char *name; + + if (this->value.ptr) + { + return; + } + writer = bio_writer_create(ITA_GET_SETTINGS_MIN_SIZE); + writer->write_uint32(writer, this->list->get_count(this->list)); + + enumerator = this->list->create_enumerator(this->list); + while (enumerator->enumerate(enumerator, &name)) + { + writer->write_data16(writer, chunk_create(name, strlen(name))); + } + enumerator->destroy(enumerator); + + this->value = chunk_clone(writer->get_buf(writer)); + writer->destroy(writer); +} + +METHOD(pa_tnc_attr_t, process, status_t, + private_ita_attr_get_settings_t *this, u_int32_t *offset) +{ + bio_reader_t *reader; + u_int32_t count; + chunk_t name; + status_t status = FAILED; + + if (this->value.len < ITA_GET_SETTINGS_MIN_SIZE) + { + DBG1(DBG_TNC, "insufficient data for ITA Get Settings attribute"); + *offset = 0; + return FAILED; + } + + reader = bio_reader_create(this->value); + reader->read_uint32(reader, &count); + + *offset = ITA_GET_SETTINGS_MIN_SIZE; + + while (count--) + { + if (!reader->read_data16(reader, &name)) + { + DBG1(DBG_TNC, "insufficient data for setting name"); + goto end; + } + *offset += 2 + name.len; + + this->list->insert_last(this->list, strndup(name.ptr, name.len)); + } + status = SUCCESS; + +end: + reader->destroy(reader); + return status; +} + +METHOD(pa_tnc_attr_t, get_ref, pa_tnc_attr_t*, + private_ita_attr_get_settings_t *this) +{ + ref_get(&this->ref); + return &this->public.pa_tnc_attribute; +} + +METHOD(pa_tnc_attr_t, destroy, void, + private_ita_attr_get_settings_t *this) +{ + if (ref_put(&this->ref)) + { + this->list->destroy_function(this->list, free); + free(this->value.ptr); + free(this); + } +} + +METHOD(ita_attr_get_settings_t, add, void, + private_ita_attr_get_settings_t *this, char *name) +{ + this->list->insert_last(this->list, strdup(name)); +} + +METHOD(ita_attr_get_settings_t, create_enumerator, enumerator_t*, + private_ita_attr_get_settings_t *this) +{ + return this->list->create_enumerator(this->list); +} + +/** + * Described in header. + */ +pa_tnc_attr_t *ita_attr_get_settings_create(void) +{ + private_ita_attr_get_settings_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, + }, + .add = _add, + .create_enumerator = _create_enumerator, + }, + .type = { PEN_ITA, ITA_ATTR_GET_SETTINGS }, + .list = linked_list_create(), + .ref = 1, + ); + + return &this->public.pa_tnc_attribute; +} + +/** + * Described in header. + */ +pa_tnc_attr_t *ita_attr_get_settings_create_from_data(chunk_t data) +{ + private_ita_attr_get_settings_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, + }, + .add = _add, + .create_enumerator = _create_enumerator, + }, + .type = { PEN_ITA, ITA_ATTR_GET_SETTINGS }, + .value = chunk_clone(data), + .list = linked_list_create(), + .ref = 1, + ); + + return &this->public.pa_tnc_attribute; +} + + diff --git a/src/libimcv/ita/ita_attr_get_settings.h b/src/libimcv/ita/ita_attr_get_settings.h new file mode 100644 index 000000000..cc5c18140 --- /dev/null +++ b/src/libimcv/ita/ita_attr_get_settings.h @@ -0,0 +1,66 @@ +/* + * 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. + */ + +/** + * @defgroup ita_attr_get_settingst ita_attr_get_settings + * @{ @ingroup ita_attr_get_settings + */ + +#ifndef ITA_ATTR_GET_SETTINGS_H_ +#define ITA_ATTR_GET_SETTINGS_H_ + +typedef struct ita_attr_get_settings_t ita_attr_get_settings_t; + +#include "pa_tnc/pa_tnc_attr.h" + +/** + * Class implementing the ITA Get Settings PA-TNC attribute. + * + */ +struct ita_attr_get_settings_t { + + /** + * Public PA-TNC attribute interface + */ + pa_tnc_attr_t pa_tnc_attribute; + + /** + * Add a setting request to the list + * + * @param name name of the requested setting + */ + void (*add)(ita_attr_get_settings_t *this, char *name); + + /** + * Return an enumerator over all requested settings + * + * @return enumerator returns char *name + */ + enumerator_t* (*create_enumerator)(ita_attr_get_settings_t *this); +}; + +/** + * Creates an ita_attr_get_settings_t object with an empty settings list + */ +pa_tnc_attr_t* ita_attr_get_settings_create(void); + +/** + * Creates an ita_attr_get_settings_t object from received data + * + * @param value binary value blob + */ +pa_tnc_attr_t* ita_attr_get_settings_create_from_data(chunk_t value); + +#endif /** ITA_ATTR_GET_SETTINGS_H_ @}*/ diff --git a/src/libimcv/ita/ita_attr_settings.c b/src/libimcv/ita/ita_attr_settings.c new file mode 100644 index 000000000..7941cf69e --- /dev/null +++ b/src/libimcv/ita/ita_attr_settings.c @@ -0,0 +1,326 @@ +/* + * 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 "ita_attr.h" +#include "ita_attr_settings.h" + +#include <bio/bio_reader.h> +#include <bio/bio_writer.h> +#include <collections/linked_list.h> +#include <pen/pen.h> +#include <utils/debug.h> + +#include <string.h> + +typedef struct private_ita_attr_settings_t private_ita_attr_settings_t; +typedef struct entry_t entry_t; + +/** + * Contains a settins name/value pair + */ +struct entry_t { + char *name; + chunk_t value; +}; + +/** + * Free an entry_t object + */ +static void free_entry(entry_t *this) +{ + free(this->name); + free(this->value.ptr); + free(this); +} + +/** + * ITA Settings + * + * 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 + * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + * | Settings Count | + * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + * | Name Length | Name (Variable Length) ~ + * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + * ~ Name (Variable Length) ~ + * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + * | Value Length | Value (Variable Length) ~ + * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + * ~ Value (Variable Length) ~ + * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + * | Name Length | Name (Variable Length) ~ + * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + * ~ Name (Variable Length) ~ + * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + * | Value Length | Value (Variable Length) ~ + * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + * ~ Value (Variable Length) ~ + * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + * ........................... + */ + +#define ITA_SETTINGS_MIN_SIZE 4 + +/** + * Private data of an ita_attr_settings_t object. + */ +struct private_ita_attr_settings_t { + + /** + * Public members of ita_attr_settings_t + */ + ita_attr_settings_t public; + + /** + * Vendor-specific attribute type + */ + pen_type_t type; + + /** + * Attribute value + */ + chunk_t value; + + /** + * Noskip flag + */ + bool noskip_flag; + + /** + * List of settings + */ + linked_list_t *list; + + /** + * Reference count + */ + refcount_t ref; +}; + +METHOD(pa_tnc_attr_t, get_type, pen_type_t, + private_ita_attr_settings_t *this) +{ + return this->type; +} + +METHOD(pa_tnc_attr_t, get_value, chunk_t, + private_ita_attr_settings_t *this) +{ + return this->value; +} + +METHOD(pa_tnc_attr_t, get_noskip_flag, bool, + private_ita_attr_settings_t *this) +{ + return this->noskip_flag; +} + +METHOD(pa_tnc_attr_t, set_noskip_flag,void, + private_ita_attr_settings_t *this, bool noskip) +{ + this->noskip_flag = noskip; +} + +METHOD(pa_tnc_attr_t, build, void, + private_ita_attr_settings_t *this) +{ + bio_writer_t *writer; + enumerator_t *enumerator; + entry_t *entry; + + if (this->value.ptr) + { + return; + } + writer = bio_writer_create(ITA_SETTINGS_MIN_SIZE); + writer->write_uint32(writer, this->list->get_count(this->list)); + + enumerator = this->list->create_enumerator(this->list); + while (enumerator->enumerate(enumerator, &entry)) + { + writer->write_data16(writer, chunk_create(entry->name, + strlen(entry->name))); + writer->write_data16(writer, entry->value); + } + enumerator->destroy(enumerator); + + this->value = chunk_clone(writer->get_buf(writer)); + writer->destroy(writer); +} + +METHOD(pa_tnc_attr_t, process, status_t, + private_ita_attr_settings_t *this, u_int32_t *offset) +{ + bio_reader_t *reader; + u_int32_t count; + chunk_t name, value; + entry_t *entry; + status_t status = FAILED; + + if (this->value.len < ITA_SETTINGS_MIN_SIZE) + { + DBG1(DBG_TNC, "insufficient data for ITA Settings attribute"); + *offset = 0; + return FAILED; + } + + reader = bio_reader_create(this->value); + reader->read_uint32(reader, &count); + + *offset = ITA_SETTINGS_MIN_SIZE; + + while (count--) + { + if (!reader->read_data16(reader, &name)) + { + DBG1(DBG_TNC, "insufficient data for setting name"); + goto end; + } + *offset += 2 + name.len; + + if (!reader->read_data16(reader, &value)) + { + DBG1(DBG_TNC, "insufficient data for setting value"); + goto end; + } + *offset += 2 + value.len; + + /* remove a terminating newline character */ + if (value.len && value.ptr[value.len - 1] == '\n') + { + value.len--; + } + entry = malloc_thing(entry_t); + entry->name = strndup(name.ptr, name.len); + entry->value = chunk_clone(value); + this->list->insert_last(this->list, entry); + } + status = SUCCESS; + +end: + reader->destroy(reader); + return status; +} + +METHOD(pa_tnc_attr_t, get_ref, pa_tnc_attr_t*, + private_ita_attr_settings_t *this) +{ + ref_get(&this->ref); + return &this->public.pa_tnc_attribute; +} + +METHOD(pa_tnc_attr_t, destroy, void, + private_ita_attr_settings_t *this) +{ + if (ref_put(&this->ref)) + { + this->list->destroy_function(this->list, (void*)free_entry); + free(this->value.ptr); + free(this); + } +} + +METHOD(ita_attr_settings_t, add, void, + private_ita_attr_settings_t *this, char *name, chunk_t value) +{ + entry_t *entry; + + entry = malloc_thing(entry_t); + entry->name = strdup(name); + entry->value = chunk_clone(value); + this->list->insert_last(this->list, entry); +} + +/** + * Enumerate name/value pairs + */ +static bool entry_filter(void *null, entry_t **entry, char **name, + void *i2, chunk_t *value) +{ + *name = (*entry)->name; + *value = (*entry)->value; + return TRUE; +} + +METHOD(ita_attr_settings_t, create_enumerator, enumerator_t*, + private_ita_attr_settings_t *this) +{ + return enumerator_create_filter(this->list->create_enumerator(this->list), + (void*)entry_filter, NULL, NULL); +} + +/** + * Described in header. + */ +pa_tnc_attr_t *ita_attr_settings_create(void) +{ + private_ita_attr_settings_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, + }, + .add = _add, + .create_enumerator = _create_enumerator, + }, + .type = { PEN_ITA, ITA_ATTR_SETTINGS }, + .list = linked_list_create(), + .ref = 1, + ); + + return &this->public.pa_tnc_attribute; +} + +/** + * Described in header. + */ +pa_tnc_attr_t *ita_attr_settings_create_from_data(chunk_t data) +{ + private_ita_attr_settings_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, + }, + .add = _add, + .create_enumerator = _create_enumerator, + }, + .type = { PEN_ITA, ITA_ATTR_SETTINGS }, + .value = chunk_clone(data), + .list = linked_list_create(), + .ref = 1, + ); + + return &this->public.pa_tnc_attribute; +} + + diff --git a/src/libimcv/ita/ita_attr_settings.h b/src/libimcv/ita/ita_attr_settings.h new file mode 100644 index 000000000..f3d1fd438 --- /dev/null +++ b/src/libimcv/ita/ita_attr_settings.h @@ -0,0 +1,67 @@ +/* + * 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. + */ + +/** + * @defgroup ita_attr_settingst ita_attr_settings + * @{ @ingroup ita_attr_settings + */ + +#ifndef ITA_ATTR_SETTINGS_H_ +#define ITA_ATTR_SETTINGS_H_ + +typedef struct ita_attr_settings_t ita_attr_settings_t; + +#include "pa_tnc/pa_tnc_attr.h" + +/** + * Class implementing the ITA Settings PA-TNC attribute. + * + */ +struct ita_attr_settings_t { + + /** + * Public PA-TNC attribute interface + */ + pa_tnc_attr_t pa_tnc_attribute; + + /** + * Add a setting to the list + * + * @param name name of the setting + * @param value value of the setting + */ + void (*add)(ita_attr_settings_t *this, char *name, chunk_t value); + + /** + * Return an enumerator over all name/value pairs + * + * @return enumerator returns char **name, chunk_t *value + */ + enumerator_t* (*create_enumerator)(ita_attr_settings_t *this); +}; + +/** + * Creates an ita_attr_settings_t object with an empty settings list + */ +pa_tnc_attr_t* ita_attr_settings_create(void); + +/** + * Creates an ita_attr_settings_t object from received data + * + * @param value binary value blob + */ +pa_tnc_attr_t* ita_attr_settings_create_from_data(chunk_t value); + +#endif /** ITA_ATTR_SETTINGS_H_ @}*/ |