diff options
Diffstat (limited to 'Source/charon/payloads/transform_attribute.c')
-rw-r--r-- | Source/charon/payloads/transform_attribute.c | 71 |
1 files changed, 70 insertions, 1 deletions
diff --git a/Source/charon/payloads/transform_attribute.c b/Source/charon/payloads/transform_attribute.c index 1681eb564..dfdd4072b 100644 --- a/Source/charon/payloads/transform_attribute.c +++ b/Source/charon/payloads/transform_attribute.c @@ -59,7 +59,7 @@ struct private_transform_attribute_s { /** * Attribute Length if attribute_format is 0, attribute Value otherwise */ - u_int8_t attribute_length_or_value; + u_int16_t attribute_length_or_value; /** * Attribute value as chunk if attribute_format is 0 (FALSE) @@ -144,6 +144,71 @@ static size_t get_length(private_transform_attribute_t *this) } return (this->attribute_length_or_value + 4); } +/** + * Implements transform_attribute_t's set_value function. + * See #transform_attribute_s.set_value for description. + */ +static status_t set_value (private_transform_attribute_t *this, chunk_t value) +{ + if (value.len > 2) + { + this->attribute_value.ptr = allocator_clone_bytes(value.ptr,value.len); + if (this->attribute_value.ptr == NULL) + { + return OUT_OF_RES; + } + this->attribute_value.len = value.len; + this->attribute_length_or_value = value.len; + /* attribute has not a fixed length */ + this->attribute_format = FALSE; + } + else + { + memcpy(&(this->attribute_length_or_value),value.ptr,value.len); + } + return SUCCESS; +} + +/** + * Implements transform_attribute_t's get_value function. + * See #transform_attribute_s.get_value for description. + */ +static chunk_t get_value (private_transform_attribute_t *this) +{ + chunk_t value; + + if (this->attribute_format == FALSE) + { + value.ptr = this->attribute_value.ptr; + value.len = this->attribute_value.len; + } + else + { + value.ptr = (void *) &(this->attribute_length_or_value); + value.len = 2; + } + + return value; +} + +/** + * Implements transform_attribute_t's set_attribute_type function. + * See #transform_attribute_s.set_attribute_type for description. + */ +static status_t set_attribute_type (private_transform_attribute_t *this, u_int16_t type) +{ + this->attribute_type = type & 0x7FFF; + return SUCCESS; +} + +/** + * Implements transform_attribute_t's get_attribute_type function. + * See #transform_attribute_s.get_attribute_type for description. + */ +static u_int16_t get_attribute_type (private_transform_attribute_t *this) +{ + return this->attribute_type; +} /* * Described in header @@ -161,6 +226,10 @@ transform_attribute_t *transform_attribute_create() this->public.payload_interface.get_next_type = (payload_type_t (*) (payload_t *)) get_next_type; this->public.payload_interface.get_type = (payload_type_t (*) (payload_t *)) get_type; this->public.payload_interface.destroy = (status_t (*) (payload_t *))destroy; + this->public.set_value = (status_t (*) (transform_attribute_t *,chunk_t value)) set_value; + this->public.get_value = (chunk_t (*) (transform_attribute_t *)) get_value; + this->public.set_attribute_type = (status_t (*) (transform_attribute_t *,u_int16_t type)) set_attribute_type; + this->public.get_attribute_type = (u_int16_t (*) (transform_attribute_t *)) get_attribute_type; this->public.destroy = (status_t (*) (transform_attribute_t *)) destroy; /* set default values of the fields */ |