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author | Rene Mayrhofer <rene@mayrhofer.eu.org> | 2010-11-28 11:42:20 +0000 |
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committer | Rene Mayrhofer <rene@mayrhofer.eu.org> | 2010-11-28 11:42:20 +0000 |
commit | f73fba54dc8b30c6482e1e8abf15bbf455592fcd (patch) | |
tree | a449515607c5e51a5c703d7a9b1149c9e4a11560 /src/libcharon/encoding/payloads/proposal_substructure.c | |
parent | b8064f4099997a9e2179f3ad4ace605f5ccac3a1 (diff) | |
download | vyos-strongswan-f73fba54dc8b30c6482e1e8abf15bbf455592fcd.tar.gz vyos-strongswan-f73fba54dc8b30c6482e1e8abf15bbf455592fcd.zip |
[svn-upgrade] new version strongswan (4.5.0)
Diffstat (limited to 'src/libcharon/encoding/payloads/proposal_substructure.c')
-rw-r--r-- | src/libcharon/encoding/payloads/proposal_substructure.c | 321 |
1 files changed, 114 insertions, 207 deletions
diff --git a/src/libcharon/encoding/payloads/proposal_substructure.c b/src/libcharon/encoding/payloads/proposal_substructure.c index c93f73a68..985b03255 100644 --- a/src/libcharon/encoding/payloads/proposal_substructure.c +++ b/src/libcharon/encoding/payloads/proposal_substructure.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2005-2006 Martin Willi + * Copyright (C) 2005-2010 Martin Willi * Copyright (C) 2005 Jan Hutter * Hochschule fuer Technik Rapperswil * @@ -24,20 +24,18 @@ #include <utils/linked_list.h> #include <daemon.h> - /** * IKEv1 Value for a proposal payload. */ #define PROPOSAL_TYPE_VALUE 2 - typedef struct private_proposal_substructure_t private_proposal_substructure_t; /** * Private data of an proposal_substructure_t object. - * */ struct private_proposal_substructure_t { + /** * Public proposal_substructure_t interface. */ @@ -92,24 +90,24 @@ struct private_proposal_substructure_t { */ encoding_rule_t proposal_substructure_encodings[] = { /* 1 Byte next payload type, stored in the field next_payload */ - { U_INT_8, offsetof(private_proposal_substructure_t, next_payload) }, + { U_INT_8, offsetof(private_proposal_substructure_t, next_payload) }, /* Reserved Byte is skipped */ - { RESERVED_BYTE, 0 }, + { RESERVED_BYTE, 0 }, /* Length of the whole proposal substructure payload*/ - { PAYLOAD_LENGTH, offsetof(private_proposal_substructure_t, proposal_length) }, + { PAYLOAD_LENGTH, offsetof(private_proposal_substructure_t, proposal_length) }, /* proposal number is a number of 8 bit */ - { U_INT_8, offsetof(private_proposal_substructure_t, proposal_number) }, + { U_INT_8, offsetof(private_proposal_substructure_t, proposal_number) }, /* protocol ID is a number of 8 bit */ - { U_INT_8, offsetof(private_proposal_substructure_t, protocol_id) }, + { U_INT_8, offsetof(private_proposal_substructure_t, protocol_id) }, /* SPI Size has its own type */ - { SPI_SIZE, offsetof(private_proposal_substructure_t, spi_size) }, + { SPI_SIZE, offsetof(private_proposal_substructure_t, spi_size) }, /* Number of transforms is a number of 8 bit */ - { U_INT_8, offsetof(private_proposal_substructure_t, transforms_count) }, + { U_INT_8, offsetof(private_proposal_substructure_t, transforms_count) }, /* SPI is a chunk of variable size*/ - { SPI, offsetof(private_proposal_substructure_t, spi) }, + { SPI, offsetof(private_proposal_substructure_t, spi) }, /* Transforms are stored in a transform substructure, offset points to a linked_list_t pointer */ - { TRANSFORMS, offsetof(private_proposal_substructure_t, transforms) } + { TRANSFORMS, offsetof(private_proposal_substructure_t, transforms) } }; /* @@ -128,16 +126,14 @@ encoding_rule_t proposal_substructure_encodings[] = { +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ */ -/** - * Implementation of payload_t.verify. - */ -static status_t verify(private_proposal_substructure_t *this) +METHOD(payload_t, verify, status_t, + private_proposal_substructure_t *this) { status_t status = SUCCESS; - iterator_t *iterator; - payload_t *current_transform; + enumerator_t *enumerator; + payload_t *current; - if ((this->next_payload != NO_PAYLOAD) && (this->next_payload != 2)) + if (this->next_payload != NO_PAYLOAD && this->next_payload != 2) { /* must be 0 or 2 */ DBG1(DBG_ENC, "inconsistent next payload"); @@ -169,61 +165,46 @@ static status_t verify(private_proposal_substructure_t *this) } break; default: - DBG1(DBG_ENC, "invalid proposal protocol (%d)", this->protocol_id); - return FAILED; - } - if ((this->protocol_id == 0) || (this->protocol_id >= 4)) - { - /* reserved are not supported */ - DBG1(DBG_ENC, "invalid protocol"); - return FAILED; + break; } - - iterator = this->transforms->create_iterator(this->transforms,TRUE); - while(iterator->iterate(iterator, (void**)¤t_transform)) + enumerator = this->transforms->create_enumerator(this->transforms); + while (enumerator->enumerate(enumerator, ¤t)) { - status = current_transform->verify(current_transform); + status = current->verify(current); if (status != SUCCESS) { DBG1(DBG_ENC, "TRANSFORM_SUBSTRUCTURE verification failed"); break; } } - iterator->destroy(iterator); + enumerator->destroy(enumerator); /* proposal number is checked in SA payload */ return status; } -/** - * Implementation of payload_t.get_encoding_rules. - */ -static void get_encoding_rules(private_proposal_substructure_t *this, encoding_rule_t **rules, size_t *rule_count) +METHOD(payload_t, get_encoding_rules, void, + private_proposal_substructure_t *this, encoding_rule_t **rules, + size_t *rule_count) { *rules = proposal_substructure_encodings; - *rule_count = sizeof(proposal_substructure_encodings) / sizeof(encoding_rule_t); + *rule_count = countof(proposal_substructure_encodings); } -/** - * Implementation of payload_t.get_type. - */ -static payload_type_t get_type(private_proposal_substructure_t *this) +METHOD(payload_t, get_type, payload_type_t, + private_proposal_substructure_t *this) { return PROPOSAL_SUBSTRUCTURE; } -/** - * Implementation of payload_t.get_next_type. - */ -static payload_type_t get_next_type(private_proposal_substructure_t *this) +METHOD(payload_t, get_next_type, payload_type_t, + private_proposal_substructure_t *this) { - return (this->next_payload); + return this->next_payload; } -/** - * Implementation of payload_t.set_next_type. - */ -static void set_next_type(private_proposal_substructure_t *this,payload_type_t type) +METHOD(payload_t, set_next_type, void, + private_proposal_substructure_t *this, payload_type_t type) { } @@ -250,145 +231,88 @@ static void compute_length(private_proposal_substructure_t *this) this->proposal_length = length; } -/** - * Implementation of payload_t.get_length. - */ -static size_t get_length(private_proposal_substructure_t *this) +METHOD(payload_t, get_length, size_t, + private_proposal_substructure_t *this) { compute_length(this); return this->proposal_length; } /** - * Implementation of proposal_substructure_t.create_transform_substructure_iterator. - */ -static iterator_t *create_transform_substructure_iterator (private_proposal_substructure_t *this,bool forward) -{ - return (this->transforms->create_iterator(this->transforms,forward)); -} - -/** - * Implementation of proposal_substructure_t.add_transform_substructure. + * Add a transform substructure to the proposal */ -static void add_transform_substructure (private_proposal_substructure_t *this,transform_substructure_t *transform) +static void add_transform_substructure(private_proposal_substructure_t *this, + transform_substructure_t *transform) { - status_t status; if (this->transforms->get_count(this->transforms) > 0) { - transform_substructure_t *last_transform; - status = this->transforms->get_last(this->transforms,(void **) &last_transform); - /* last transform is now not anymore last one */ - last_transform->set_is_last_transform(last_transform,FALSE); + transform_substructure_t *last; + this->transforms->get_last(this->transforms, (void **)&last); + last->set_is_last_transform(last, FALSE); } transform->set_is_last_transform(transform,TRUE); - - this->transforms->insert_last(this->transforms,(void *) transform); + this->transforms->insert_last(this->transforms, transform); compute_length(this); } -/** - * Implementation of proposal_substructure_t.proposal_substructure_t. - */ -static void set_is_last_proposal (private_proposal_substructure_t *this, bool is_last) +METHOD(proposal_substructure_t, set_is_last_proposal, void, + private_proposal_substructure_t *this, bool is_last) { - this->next_payload = (is_last) ? 0: PROPOSAL_TYPE_VALUE; + this->next_payload = is_last ? 0 : PROPOSAL_TYPE_VALUE; } -/** - * Implementation of proposal_substructure_t.set_proposal_number. - */ -static void set_proposal_number(private_proposal_substructure_t *this,u_int8_t proposal_number) +METHOD(proposal_substructure_t, set_proposal_number, void, + private_proposal_substructure_t *this,u_int8_t proposal_number) { this->proposal_number = proposal_number; } -/** - * Implementation of proposal_substructure_t.get_proposal_number. - */ -static u_int8_t get_proposal_number (private_proposal_substructure_t *this) +METHOD(proposal_substructure_t, get_proposal_number, u_int8_t, + private_proposal_substructure_t *this) { - return (this->proposal_number); + return this->proposal_number; } -/** - * Implementation of proposal_substructure_t.set_protocol_id. - */ -static void set_protocol_id(private_proposal_substructure_t *this,u_int8_t protocol_id) +METHOD(proposal_substructure_t, set_protocol_id, void, + private_proposal_substructure_t *this,u_int8_t protocol_id) { this->protocol_id = protocol_id; } -/** - * Implementation of proposal_substructure_t.get_protocol_id. - */ -static u_int8_t get_protocol_id(private_proposal_substructure_t *this) +METHOD(proposal_substructure_t, get_protocol_id, u_int8_t, + private_proposal_substructure_t *this) { - return (this->protocol_id); + return this->protocol_id; } -/** - * Implementation of proposal_substructure_t.set_spi. - */ -static void set_spi(private_proposal_substructure_t *this, chunk_t spi) +METHOD(proposal_substructure_t, set_spi, void, + private_proposal_substructure_t *this, chunk_t spi) { - /* first delete already set spi value */ - if (this->spi.ptr != NULL) - { - free(this->spi.ptr); - this->spi.ptr = NULL; - this->spi.len = 0; - compute_length(this); - } - - this->spi.ptr = clalloc(spi.ptr,spi.len); - this->spi.len = spi.len; + free(this->spi.ptr); + this->spi = chunk_clone(spi); this->spi_size = spi.len; compute_length(this); } -/** - * Implementation of proposal_substructure_t.get_spi. - */ -static chunk_t get_spi(private_proposal_substructure_t *this) -{ - chunk_t spi; - spi.ptr = this->spi.ptr; - spi.len = this->spi.len; - - return spi; -} - -/** - * Implementation of proposal_substructure_t.get_transform_count. - */ -static size_t get_transform_count (private_proposal_substructure_t *this) -{ - return this->transforms->get_count(this->transforms); -} - -/** - * Implementation of proposal_substructure_t.get_spi_size. - */ -static size_t get_spi_size (private_proposal_substructure_t *this) +METHOD(proposal_substructure_t, get_spi, chunk_t, + private_proposal_substructure_t *this) { - return this->spi.len; + return this->spi; } -/** - * Implementation of proposal_substructure_t.get_proposal. - */ -proposal_t* get_proposal(private_proposal_substructure_t *this) +METHOD(proposal_substructure_t, get_proposal, proposal_t*, + private_proposal_substructure_t *this) { - iterator_t *iterator; + enumerator_t *enumerator; transform_substructure_t *transform; proposal_t *proposal; u_int64_t spi; - proposal = proposal_create(this->protocol_id); + proposal = proposal_create(this->protocol_id, this->proposal_number); - iterator = this->transforms->create_iterator(this->transforms, TRUE); - while (iterator->iterate(iterator, (void**)&transform)) + enumerator = this->transforms->create_enumerator(this->transforms); + while (enumerator->enumerate(enumerator, &transform)) { transform_type_t transform_type; u_int16_t transform_id; @@ -400,7 +324,7 @@ proposal_t* get_proposal(private_proposal_substructure_t *this) proposal->add_algorithm(proposal, transform_type, transform_id, key_length); } - iterator->destroy(iterator); + enumerator->destroy(enumerator); switch (this->spi.len) { @@ -418,42 +342,36 @@ proposal_t* get_proposal(private_proposal_substructure_t *this) return proposal; } -/** - * Implementation of proposal_substructure_t.clone. - */ -static private_proposal_substructure_t* clone_(private_proposal_substructure_t *this) +METHOD(proposal_substructure_t, clone_, proposal_substructure_t*, + private_proposal_substructure_t *this) { private_proposal_substructure_t *clone; - iterator_t *transforms; - transform_substructure_t *current_transform; + enumerator_t *enumerator; + transform_substructure_t *current; - clone = (private_proposal_substructure_t *) proposal_substructure_create(); + clone = (private_proposal_substructure_t*)proposal_substructure_create(); clone->next_payload = this->next_payload; clone->proposal_number = this->proposal_number; clone->protocol_id = this->protocol_id; clone->spi_size = this->spi_size; if (this->spi.ptr != NULL) { - clone->spi.ptr = clalloc(this->spi.ptr,this->spi.len); + clone->spi.ptr = clalloc(this->spi.ptr, this->spi.len); clone->spi.len = this->spi.len; } - - transforms = this->transforms->create_iterator(this->transforms,FALSE); - while (transforms->iterate(transforms, (void**)¤t_transform)) + enumerator = this->transforms->create_enumerator(this->transforms); + while (enumerator->enumerate(enumerator, ¤t)) { - current_transform = current_transform->clone(current_transform); - clone->public.add_transform_substructure(&clone->public, current_transform); + current = current->clone(current); + add_transform_substructure(clone, current); } - transforms->destroy(transforms); + enumerator->destroy(enumerator); - return clone; + return &clone->public; } -/** - * Implements payload_t's and proposal_substructure_t's destroy function. - * See #payload_s.destroy or proposal_substructure_s.destroy for description. - */ -static void destroy(private_proposal_substructure_t *this) +METHOD2(payload_t, proposal_substructure_t, destroy, void, + private_proposal_substructure_t *this) { this->transforms->destroy_offset(this->transforms, offsetof(transform_substructure_t, destroy)); @@ -466,53 +384,42 @@ static void destroy(private_proposal_substructure_t *this) */ proposal_substructure_t *proposal_substructure_create() { - private_proposal_substructure_t *this = malloc_thing(private_proposal_substructure_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.create_transform_substructure_iterator = (iterator_t* (*) (proposal_substructure_t *,bool)) create_transform_substructure_iterator; - this->public.add_transform_substructure = (void (*) (proposal_substructure_t *,transform_substructure_t *)) add_transform_substructure; - this->public.set_proposal_number = (void (*) (proposal_substructure_t *,u_int8_t))set_proposal_number; - this->public.get_proposal_number = (u_int8_t (*) (proposal_substructure_t *)) get_proposal_number; - this->public.set_protocol_id = (void (*) (proposal_substructure_t *,u_int8_t))set_protocol_id; - this->public.get_protocol_id = (u_int8_t (*) (proposal_substructure_t *)) get_protocol_id; - this->public.set_is_last_proposal = (void (*) (proposal_substructure_t *,bool)) set_is_last_proposal; - this->public.get_proposal = (proposal_t* (*) (proposal_substructure_t*))get_proposal; - this->public.set_spi = (void (*) (proposal_substructure_t *,chunk_t))set_spi; - this->public.get_spi = (chunk_t (*) (proposal_substructure_t *)) get_spi; - this->public.get_transform_count = (size_t (*) (proposal_substructure_t *)) get_transform_count; - this->public.get_spi_size = (size_t (*) (proposal_substructure_t *)) get_spi_size; - this->public.clone = (proposal_substructure_t * (*) (proposal_substructure_t *)) clone_; - this->public.destroy = (void (*) (proposal_substructure_t *)) destroy; - - /* set default values of the fields */ - this->next_payload = NO_PAYLOAD; - this->proposal_length = 0; - this->proposal_number = 0; - this->protocol_id = 0; - this->transforms_count = 0; - this->spi_size = 0; - this->spi.ptr = NULL; - this->spi.len = 0; - - this->transforms = linked_list_create(); - - return (&(this->public)); + private_proposal_substructure_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, + }, + .set_proposal_number = _set_proposal_number, + .get_proposal_number = _get_proposal_number, + .set_protocol_id = _set_protocol_id, + .get_protocol_id = _get_protocol_id, + .set_is_last_proposal = _set_is_last_proposal, + .get_proposal = _get_proposal, + .set_spi = _set_spi, + .get_spi = _get_spi, + .clone = _clone_, + .destroy = _destroy, + }, + .next_payload = NO_PAYLOAD, + .transforms = linked_list_create(), + ); + + return &this->public; } /* * Described in header. */ -proposal_substructure_t *proposal_substructure_create_from_proposal(proposal_t *proposal) +proposal_substructure_t *proposal_substructure_create_from_proposal( + proposal_t *proposal) { transform_substructure_t *transform; private_proposal_substructure_t *this; @@ -591,7 +498,7 @@ proposal_substructure_t *proposal_substructure_create_from_proposal(proposal_t * default: break; } - this->proposal_number = 0; + this->proposal_number = proposal->get_number(proposal); this->protocol_id = proposal->get_protocol(proposal); return &this->public; |