diff options
Diffstat (limited to 'Source/charon/payloads/nonce_payload.c')
| -rw-r--r-- | Source/charon/payloads/nonce_payload.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/Source/charon/payloads/nonce_payload.c b/Source/charon/payloads/nonce_payload.c index 296c6cfb6..36a8defed 100644 --- a/Source/charon/payloads/nonce_payload.c +++ b/Source/charon/payloads/nonce_payload.c @@ -100,6 +100,37 @@ encoding_rule_t nonce_payload_encodings[] = { { NONCE_DATA, offsetof(private_nonce_payload_t, nonce) } }; +/* 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 + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + ! Next Payload !C! RESERVED ! Payload Length ! + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + ! ! + ~ Nonce Data ~ + ! ! + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +*/ + +/** + * Implements payload_t's verify function. + * See #payload_s.verify for description. + */ +static status_t verify(private_nonce_payload_t *this) +{ + if (this->critical) + { + /* critical bit is set! */ + return FAILED; + } + if ((this->nonce.len < 16) || ((this->nonce.len > 256))) + { + /* nonce length is wrong */ + return FAILED; + } + + return SUCCESS; +} + /** * Implements payload_t's and nonce_payload_t's destroy function. * See #payload_s.destroy or nonce_payload_s.destroy for description. @@ -203,6 +234,7 @@ nonce_payload_t *nonce_payload_create() return NULL; } + this->public.payload_interface.verify = (status_t (*) (payload_t *))verify; this->public.payload_interface.get_encoding_rules = (status_t (*) (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; |