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author | René Mayrhofer <rene@mayrhofer.eu.org> | 2011-03-05 09:20:09 +0100 |
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committer | René Mayrhofer <rene@mayrhofer.eu.org> | 2011-03-05 09:20:09 +0100 |
commit | 568905f488e63e28778f87ac0e38d845f45bae79 (patch) | |
tree | d9969a147e36413583ff4bc75542d34c955f8823 /src/libcharon/encoding/payloads/notify_payload.c | |
parent | f73fba54dc8b30c6482e1e8abf15bbf455592fcd (diff) | |
download | vyos-strongswan-568905f488e63e28778f87ac0e38d845f45bae79.tar.gz vyos-strongswan-568905f488e63e28778f87ac0e38d845f45bae79.zip |
Imported Upstream version 4.5.1
Diffstat (limited to 'src/libcharon/encoding/payloads/notify_payload.c')
-rw-r--r-- | src/libcharon/encoding/payloads/notify_payload.c | 207 |
1 files changed, 85 insertions, 122 deletions
diff --git a/src/libcharon/encoding/payloads/notify_payload.c b/src/libcharon/encoding/payloads/notify_payload.c index a56fd1869..77f15ec6d 100644 --- a/src/libcharon/encoding/payloads/notify_payload.c +++ b/src/libcharon/encoding/payloads/notify_payload.c @@ -1,7 +1,8 @@ /* + * Copyright (C) 2005-2010 Martin Willi + * Copyright (C) 2010 revosec AG * Copyright (C) 2006-2008 Tobias Brunner * Copyright (C) 2006 Daniel Roethlisberger - * Copyright (C) 2005-2006 Martin Willi * Copyright (C) 2005 Jan Hutter * Hochschule fuer Technik Rapperswil * @@ -186,9 +187,9 @@ typedef struct private_notify_payload_t private_notify_payload_t; /** * Private data of an notify_payload_t object. - * */ struct private_notify_payload_t { + /** * Public notify_payload_t interface. */ @@ -205,6 +206,11 @@ struct private_notify_payload_t { bool critical; /** + * reserved bits + */ + bool reserved[7]; + + /** * Length of this payload. */ u_int16_t payload_length; @@ -240,7 +246,6 @@ struct private_notify_payload_t { * * The defined offsets are the positions in a object of type * private_notify_payload_t. - * */ encoding_rule_t notify_payload_encodings[] = { /* 1 Byte next payload type, stored in the field next_payload */ @@ -248,13 +253,13 @@ encoding_rule_t notify_payload_encodings[] = { /* the critical bit */ { FLAG, offsetof(private_notify_payload_t, critical) }, /* 7 Bit reserved bits, nowhere stored */ - { RESERVED_BIT, 0 }, - { RESERVED_BIT, 0 }, - { RESERVED_BIT, 0 }, - { RESERVED_BIT, 0 }, - { RESERVED_BIT, 0 }, - { RESERVED_BIT, 0 }, - { RESERVED_BIT, 0 }, + { RESERVED_BIT, offsetof(private_notify_payload_t, reserved[0]) }, + { RESERVED_BIT, offsetof(private_notify_payload_t, reserved[1]) }, + { RESERVED_BIT, offsetof(private_notify_payload_t, reserved[2]) }, + { RESERVED_BIT, offsetof(private_notify_payload_t, reserved[3]) }, + { RESERVED_BIT, offsetof(private_notify_payload_t, reserved[4]) }, + { RESERVED_BIT, offsetof(private_notify_payload_t, reserved[5]) }, + { RESERVED_BIT, offsetof(private_notify_payload_t, reserved[6]) }, /* Length of the whole payload*/ { PAYLOAD_LENGTH, offsetof(private_notify_payload_t, payload_length) }, /* Protocol ID as 8 bit field*/ @@ -262,11 +267,11 @@ encoding_rule_t notify_payload_encodings[] = { /* SPI Size as 8 bit field*/ { SPI_SIZE, offsetof(private_notify_payload_t, spi_size) }, /* Notify message type as 16 bit field*/ - { U_INT_16, offsetof(private_notify_payload_t, notify_type) }, + { U_INT_16, offsetof(private_notify_payload_t, notify_type) }, /* SPI as variable length field*/ { SPI, offsetof(private_notify_payload_t, spi) }, /* Key Exchange Data is from variable size */ - { NOTIFICATION_DATA, offsetof(private_notify_payload_t, notification_data) } + { NOTIFICATION_DATA,offsetof(private_notify_payload_t, notification_data) } }; /* @@ -287,10 +292,8 @@ encoding_rule_t notify_payload_encodings[] = { +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ */ -/** - * Implementation of payload_t.verify. - */ -static status_t verify(private_notify_payload_t *this) +METHOD(payload_t, verify, status_t, + private_notify_payload_t *this) { bool bad_length = FALSE; @@ -404,35 +407,27 @@ static status_t verify(private_notify_payload_t *this) return SUCCESS; } -/** - * Implementation of payload_t.get_encoding_rules. - */ -static void get_encoding_rules(private_notify_payload_t *this, encoding_rule_t **rules, size_t *rule_count) +METHOD(payload_t, get_encoding_rules, void, + private_notify_payload_t *this, encoding_rule_t **rules, size_t *rule_count) { *rules = notify_payload_encodings; - *rule_count = sizeof(notify_payload_encodings) / sizeof(encoding_rule_t); + *rule_count = countof(notify_payload_encodings); } -/** - * Implementation of payload_t.get_type. - */ -static payload_type_t get_type(private_notify_payload_t *this) +METHOD(payload_t, get_type, payload_type_t, + private_notify_payload_t *this) { return NOTIFY; } -/** - * Implementation of payload_t.get_next_type. - */ -static payload_type_t get_next_type(private_notify_payload_t *this) +METHOD(payload_t, get_next_type, payload_type_t, + private_notify_payload_t *this) { - return (this->next_payload); + return this->next_payload; } -/** - * Implementation of payload_t.set_next_type. - */ -static void set_next_type(private_notify_payload_t *this,payload_type_t type) +METHOD(payload_t, set_next_type, void, + private_notify_payload_t *this, payload_type_t type) { this->next_payload = type; } @@ -443,6 +438,7 @@ static void set_next_type(private_notify_payload_t *this,payload_type_t type) static void compute_length (private_notify_payload_t *this) { size_t length = NOTIFY_PAYLOAD_HEADER_LENGTH; + if (this->notification_data.ptr != NULL) { length += this->notification_data.len; @@ -454,51 +450,38 @@ static void compute_length (private_notify_payload_t *this) this->payload_length = length; } -/** - * Implementation of payload_t.get_length. - */ -static size_t get_length(private_notify_payload_t *this) +METHOD(payload_t, get_length, size_t, + private_notify_payload_t *this) { - compute_length(this); return this->payload_length; } -/** - * Implementation of notify_payload_t.get_protocol_id. - */ -static u_int8_t get_protocol_id(private_notify_payload_t *this) +METHOD(notify_payload_t, get_protocol_id, u_int8_t, + private_notify_payload_t *this) { return this->protocol_id; } -/** - * Implementation of notify_payload_t.set_protocol_id. - */ -static void set_protocol_id(private_notify_payload_t *this, u_int8_t protocol_id) +METHOD(notify_payload_t, set_protocol_id, void, + private_notify_payload_t *this, u_int8_t protocol_id) { this->protocol_id = protocol_id; } -/** - * Implementation of notify_payload_t.get_notify_type. - */ -static notify_type_t get_notify_type(private_notify_payload_t *this) +METHOD(notify_payload_t, get_notify_type, notify_type_t, + private_notify_payload_t *this) { return this->notify_type; } -/** - * Implementation of notify_payload_t.set_notify_type. - */ -static void set_notify_type(private_notify_payload_t *this, u_int16_t notify_type) +METHOD(notify_payload_t, set_notify_type, void, + private_notify_payload_t *this, notify_type_t notify_type) { this->notify_type = notify_type; } -/** - * Implementation of notify_payload_t.get_spi. - */ -static u_int32_t get_spi(private_notify_payload_t *this) +METHOD(notify_payload_t, get_spi, u_int32_t, + private_notify_payload_t *this) { switch (this->protocol_id) { @@ -514,10 +497,8 @@ static u_int32_t get_spi(private_notify_payload_t *this) return 0; } -/** - * Implementation of notify_payload_t.set_spi. - */ -static void set_spi(private_notify_payload_t *this, u_int32_t spi) +METHOD(notify_payload_t, set_spi, void, + private_notify_payload_t *this, u_int32_t spi) { chunk_free(&this->spi); switch (this->protocol_id) @@ -534,37 +515,26 @@ static void set_spi(private_notify_payload_t *this, u_int32_t spi) compute_length(this); } -/** - * Implementation of notify_payload_t.get_notification_data. - */ -static chunk_t get_notification_data(private_notify_payload_t *this) +METHOD(notify_payload_t, get_notification_data, chunk_t, + private_notify_payload_t *this) { - return (this->notification_data); + return this->notification_data; } -/** - * Implementation of notify_payload_t.set_notification_data. - */ -static status_t set_notification_data(private_notify_payload_t *this, chunk_t notification_data) +METHOD(notify_payload_t, set_notification_data, void, + private_notify_payload_t *this, chunk_t data) { - chunk_free(&this->notification_data); - if (notification_data.len > 0) - { - this->notification_data = chunk_clone(notification_data); - } + free(this->notification_data.ptr); + this->notification_data = chunk_clone(data); compute_length(this); - return SUCCESS; } -/** - * Implementation of notify_payload_t.destroy and notify_payload_t.destroy. - */ -static status_t destroy(private_notify_payload_t *this) +METHOD2(payload_t, notify_payload_t, destroy, void, + private_notify_payload_t *this) { - chunk_free(&this->notification_data); - chunk_free(&this->spi); + free(this->notification_data.ptr); + free(this->spi.ptr); free(this); - return SUCCESS; } /* @@ -572,52 +542,45 @@ static status_t destroy(private_notify_payload_t *this) */ notify_payload_t *notify_payload_create() { - private_notify_payload_t *this = malloc_thing(private_notify_payload_t); - - /* interface functions */ - this->public.payload_interface.verify = (status_t (*) (payload_t *))verify; - this->public.payload_interface.get_encoding_rules = (void (*) (payload_t *, encoding_rule_t **, size_t *) ) get_encoding_rules; - this->public.payload_interface.get_length = (size_t (*) (payload_t *)) get_length; - this->public.payload_interface.get_next_type = (payload_type_t (*) (payload_t *)) get_next_type; - this->public.payload_interface.set_next_type = (void (*) (payload_t *,payload_type_t)) set_next_type; - this->public.payload_interface.get_type = (payload_type_t (*) (payload_t *)) get_type; - this->public.payload_interface.destroy = (void (*) (payload_t *))destroy; - - /* public functions */ - this->public.get_protocol_id = (u_int8_t (*) (notify_payload_t *)) get_protocol_id; - this->public.set_protocol_id = (void (*) (notify_payload_t *,u_int8_t)) set_protocol_id; - this->public.get_notify_type = (notify_type_t (*) (notify_payload_t *)) get_notify_type; - this->public.set_notify_type = (void (*) (notify_payload_t *,notify_type_t)) set_notify_type; - this->public.get_spi = (u_int32_t (*) (notify_payload_t *)) get_spi; - this->public.set_spi = (void (*) (notify_payload_t *,u_int32_t)) set_spi; - this->public.get_notification_data = (chunk_t (*) (notify_payload_t *)) get_notification_data; - this->public.set_notification_data = (void (*) (notify_payload_t *,chunk_t)) set_notification_data; - this->public.destroy = (void (*) (notify_payload_t *)) destroy; - - /* set default values of the fields */ - this->critical = FALSE; - this->next_payload = NO_PAYLOAD; - this->payload_length = NOTIFY_PAYLOAD_HEADER_LENGTH; - this->protocol_id = 0; - this->notify_type = 0; - this->spi.ptr = NULL; - this->spi.len = 0; - this->spi_size = 0; - this->notification_data.ptr = NULL; - this->notification_data.len = 0; - + private_notify_payload_t *this; + + INIT(this, + .public = { + .payload_interface = { + .verify = _verify, + .get_encoding_rules = _get_encoding_rules, + .get_length = _get_length, + .get_next_type = _get_next_type, + .set_next_type = _set_next_type, + .get_type = _get_type, + .destroy = _destroy, + }, + .get_protocol_id = _get_protocol_id, + .set_protocol_id = _set_protocol_id, + .get_notify_type = _get_notify_type, + .set_notify_type = _set_notify_type, + .get_spi = _get_spi, + .set_spi = _set_spi, + .get_notification_data = _get_notification_data, + .set_notification_data = _set_notification_data, + .destroy = _destroy, + }, + .next_payload = NO_PAYLOAD, + .payload_length = NOTIFY_PAYLOAD_HEADER_LENGTH, + ); return &this->public; } /* * Described in header. */ -notify_payload_t *notify_payload_create_from_protocol_and_type(protocol_id_t protocol_id, notify_type_t notify_type) +notify_payload_t *notify_payload_create_from_protocol_and_type( + protocol_id_t protocol_id, notify_type_t notify_type) { notify_payload_t *notify = notify_payload_create(); - notify->set_notify_type(notify,notify_type); - notify->set_protocol_id(notify,protocol_id); + notify->set_notify_type(notify, notify_type); + notify->set_protocol_id(notify, protocol_id); return notify; } |