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wscutil: Add wsc_build_beacon

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For consistency also update wsc_build_probe_response to use the same
__builtin_popcount based rf_bands check.
This commit is contained in:
Andrew Zaborowski 2020-08-28 14:46:43 +02:00 committed by Denis Kenzior
parent 8c1bf5385e
commit 66e9d4fca9
2 changed files with 49 additions and 1 deletions
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49
src/wscutil.c
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@ -2138,6 +2138,53 @@ static void build_credential(struct wsc_attr_builder *builder,
l_free(data);
}
uint8_t *wsc_build_beacon(const struct wsc_beacon *beacon, size_t *out_len)
{
struct wsc_attr_builder *builder;
uint8_t *ret;
builder = wsc_attr_builder_new(512);
build_version(builder, 0x10);
build_wsc_state(builder, beacon->state);
if (beacon->ap_setup_locked)
build_ap_setup_locked(builder, true);
if (beacon->selected_registrar) {
build_selected_registrar(builder, true);
build_device_password_id(builder, beacon->device_password_id);
build_selected_registrar_configuration_methods(builder,
beacon->selected_reg_config_methods);
}
/* These two "should be provided" if dual-band */
if (__builtin_popcount(beacon->rf_bands) > 1) {
if (beacon->selected_registrar)
build_uuid_e(builder, beacon->uuid_e);
build_rf_bands(builder, beacon->rf_bands);
}
if (!beacon->version2)
goto done;
START_WFA_VENDOR_EXTENSION();
if (!util_mem_is_zero(beacon->authorized_macs, 6))
wfa_build_authorized_macs(builder, beacon->authorized_macs);
if (beacon->reg_config_methods) {
wsc_attr_builder_put_u8(builder,
WSC_WFA_EXTENSION_REGISTRAR_CONFIGRATION_METHODS);
wsc_attr_builder_put_u8(builder, 2);
wsc_attr_builder_put_u16(builder, beacon->reg_config_methods);
}
done:
ret = wsc_attr_builder_free(builder, false, out_len);
return ret;
}
uint8_t *wsc_build_probe_request(const struct wsc_probe_request *probe_request,
size_t *out_len)
{
@ -2210,7 +2257,7 @@ uint8_t *wsc_build_probe_response(
build_device_name(builder, probe_response->device_name);
build_configuration_methods(builder, probe_response->config_methods);
if (probe_response->rf_bands & (probe_response->rf_bands - 1))
if (__builtin_popcount(probe_response->rf_bands) > 1)
build_rf_bands(builder, probe_response->rf_bands);
if (!probe_response->version2)

1
src/wscutil.h
View File

@ -604,6 +604,7 @@ int wsc_parse_wsc_done(const uint8_t *pdu, uint32_t len, struct wsc_done *out);
uint8_t *wsc_build_credential(const struct wsc_credential *in, size_t *out_len);
uint8_t *wsc_build_beacon(const struct wsc_beacon *beacon, size_t *out_len);
uint8_t *wsc_build_probe_request(const struct wsc_probe_request *probe_request,
size_t *out_len);
uint8_t *wsc_build_probe_response(