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wscutil: Add wsc_parse_m5

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This commit is contained in:
Denis Kenzior 2016-08-30 09:34:34 -05:00
parent be1b2a3281
commit 0081bf4f64
2 changed files with 34 additions and 0 deletions
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26
src/wscutil.c
View File

@ -1139,6 +1139,32 @@ int wsc_parse_m4(const uint8_t *pdu, uint32_t len, struct wsc_m4 *out,
return 0;
}
int wsc_parse_m5(const uint8_t *pdu, uint32_t len, struct wsc_m5 *out,
struct iovec *out_encrypted)
{
int r;
struct wsc_wfa_ext_iter iter;
uint8_t version;
enum wsc_message_type msg_type;
memset(out, 0, sizeof(struct wsc_m5));
r = wsc_parse_attrs(pdu, len, &out->version2, &iter, out->authenticator,
REQUIRED(VERSION, &version),
REQUIRED(MESSAGE_TYPE, &msg_type),
REQUIRED(REGISTRAR_NONCE, &out->registrar_nonce),
REQUIRED(ENCRYPTED_SETTINGS, out_encrypted),
WSC_ATTR_INVALID);
if (r < 0)
return r;
if (msg_type != WSC_MESSAGE_TYPE_M5)
return -EBADMSG;
return 0;
}
int wsc_parse_nack(const uint8_t *pdu, uint32_t len, struct wsc_nack *out)
{
int r;

8
src/wscutil.h
View File

@ -454,6 +454,12 @@ struct wsc_m4 {
uint8_t authenticator[8];
};
struct wsc_m5 {
bool version2;
uint8_t registrar_nonce[16];
uint8_t authenticator[8];
};
struct wsc_nack {
bool version2;
uint8_t enrollee_nonce[16];
@ -473,6 +479,8 @@ int wsc_parse_m2(const uint8_t *pdu, uint32_t len, struct wsc_m2 *out);
int wsc_parse_m3(const uint8_t *pdu, uint32_t len, struct wsc_m3 *out);
int wsc_parse_m4(const uint8_t *pdu, uint32_t len, struct wsc_m4 *out,
struct iovec *out_encrypted);
int wsc_parse_m5(const uint8_t *pdu, uint32_t len, struct wsc_m5 *out,
struct iovec *out_encrypted);
int wsc_parse_nack(const uint8_t *pdu, uint32_t len, struct wsc_nack *out);