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wsc: Add wsc_parse_probe_request

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This commit is contained in:
Denis Kenzior 2015-09-08 21:11:36 -05:00
parent ab33a22149
commit 241e459ae7
2 changed files with 85 additions and 2 deletions
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66
src/wsc.c
View File

@ -535,7 +535,7 @@ static int wsc_parse_attrs(const unsigned char *pdu, unsigned int len,
}
version2 = true;
goto check;
continue;
}
if (entry->type == WSC_ATTR_SELECTED_REGISTRAR)
@ -558,7 +558,6 @@ static int wsc_parse_attrs(const unsigned char *pdu, unsigned int len,
parse_error = true;
}
check:
/*
* Check for Version 2.0 required attributes.
* If version2 attribute is present in the WFA Vendor field,
@ -617,6 +616,17 @@ done:
return 0;
}
static bool wfa_extract_bool(struct wsc_wfa_ext_iter *iter, void *data)
{
bool *to = data;
if (wsc_wfa_ext_iter_get_length(iter) != 1)
return false;
*to = *wsc_wfa_ext_iter_get_data(iter);
return true;
}
static bool wfa_extract_authorized_macs(struct wsc_wfa_ext_iter *iter,
void *data)
{
@ -762,3 +772,55 @@ int wsc_parse_probe_response(const unsigned char *pdu, unsigned int len,
done:
return 0;
}
int wsc_parse_probe_request(const unsigned char *pdu, unsigned int len,
struct wsc_probe_request *out)
{
int r;
struct wsc_wfa_ext_iter iter;
uint8_t version;
memset(out, 0, sizeof(struct wsc_probe_request));
r = wsc_parse_attrs(pdu, len, &out->version2, &iter,
WSC_ATTR_VERSION, ATTR_FLAG_REQUIRED, &version,
WSC_ATTR_REQUEST_TYPE, ATTR_FLAG_REQUIRED, &out->request_type,
WSC_ATTR_CONFIGURATION_METHODS,
ATTR_FLAG_REQUIRED, &out->config_methods,
WSC_ATTR_UUID_E, ATTR_FLAG_REQUIRED, &out->uuid_e,
WSC_ATTR_PRIMARY_DEVICE_TYPE,
ATTR_FLAG_REQUIRED, &out->primary_device_type,
WSC_ATTR_RF_BANDS, ATTR_FLAG_REQUIRED, &out->rf_bands,
WSC_ATTR_ASSOCIATION_STATE,
ATTR_FLAG_REQUIRED, &out->association_state,
WSC_ATTR_CONFIGURATION_ERROR,
ATTR_FLAG_REQUIRED, &out->configuration_error,
WSC_ATTR_DEVICE_PASSWORD_ID,
ATTR_FLAG_REQUIRED, &out->device_password_id,
WSC_ATTR_MANUFACTURER, ATTR_FLAG_VERSION2, &out->manufacturer,
WSC_ATTR_MODEL_NAME, ATTR_FLAG_VERSION2, &out->model_name,
WSC_ATTR_MODEL_NUMBER, ATTR_FLAG_VERSION2, &out->model_number,
WSC_ATTR_DEVICE_NAME, ATTR_FLAG_VERSION2, &out->device_name,
WSC_ATTR_REQUESTED_DEVICE_TYPE, 0, &out->requested_device_type,
WSC_ATTR_INVALID);
if (r < 0)
return r;
if (!wsc_wfa_ext_iter_next(&iter))
goto done;
if (wsc_wfa_ext_iter_get_type(&iter) ==
WSC_WFA_EXTENSION_REQUEST_TO_ENROLL) {
if (!wfa_extract_bool(&iter, &out->request_to_enroll))
return -EBADMSG;
if (!wsc_wfa_ext_iter_next(&iter))
goto done;
}
return -EINVAL;
done:
return 0;
}

21
src/wsc.h
View File

@ -361,7 +361,28 @@ struct wsc_probe_response {
uint16_t reg_config_methods;
};
struct wsc_probe_request {
bool version2;
enum wsc_request_type request_type;
uint16_t config_methods;
uint8_t uuid_e[16];
struct wsc_primary_device_type primary_device_type;
uint8_t rf_bands;
enum wsc_association_state association_state;
enum wsc_configuration_error configuration_error;
enum wsc_device_password_id device_password_id;
char manufacturer[65];
char model_name[33];
char model_number[33];
char serial_number[33];
char device_name[33];
bool request_to_enroll;
struct wsc_primary_device_type requested_device_type;
};
int wsc_parse_beacon(const unsigned char *pdu, unsigned int len,
struct wsc_beacon *out);
int wsc_parse_probe_response(const unsigned char *pdu, unsigned int len,
struct wsc_probe_response *out);
int wsc_parse_probe_request(const unsigned char *pdu, unsigned int len,
struct wsc_probe_request *out);