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dpp: allow enrollee to be authentication initiator

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Until now IWD only supported enrollees as responders (configurators
could do both). For PKEX it makes sense for the enrollee to be the
initiator because configurators in the area are already on their
operating channel and going off is inefficient. For PKEX, whoever
initiates also initiates authentication so for this reason the
authentication path is being opened up to allow enrollees to
initiate.
This commit is contained in:
James Prestwood 2023-10-31 11:47:44 -07:00 committed by Denis Kenzior
parent b8bfbc141d
commit c398672200
1 changed files with 7 additions and 5 deletions
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12
src/dpp.c
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@ -1468,7 +1468,7 @@ static bool dpp_send_authenticate_request(struct dpp_sm *dpp)
struct scan_bss *bss = station_get_connected_bss(station); struct scan_bss *bss = station_get_connected_bss(station);
/* Got disconnected by the time the peer was discovered */ /* Got disconnected by the time the peer was discovered */
if (!bss) { if (dpp->role == DPP_CAPABILITY_CONFIGURATOR && !bss) {
dpp_reset(dpp); dpp_reset(dpp);
return false; return false;
} }
@ -1489,7 +1489,8 @@ static bool dpp_send_authenticate_request(struct dpp_sm *dpp)
i_proto_key, dpp->key_len * 2); i_proto_key, dpp->key_len * 2);
ptr += dpp_append_attr(ptr, DPP_ATTR_PROTOCOL_VERSION, &version, 1); ptr += dpp_append_attr(ptr, DPP_ATTR_PROTOCOL_VERSION, &version, 1);
if (dpp->current_freq != bss->frequency) { if (dpp->role == DPP_CAPABILITY_CONFIGURATOR &&
dpp->current_freq != bss->frequency) {
uint8_t pair[2] = { 81, uint8_t pair[2] = { 81,
band_freq_to_channel(bss->frequency, NULL) }; band_freq_to_channel(bss->frequency, NULL) };
@ -1926,9 +1927,6 @@ static void authenticate_response(struct dpp_sm *dpp, const uint8_t *from,
if (dpp->state != DPP_STATE_AUTHENTICATING) if (dpp->state != DPP_STATE_AUTHENTICATING)
return; return;
if (dpp->role != DPP_CAPABILITY_CONFIGURATOR)
return;
if (!dpp->freqs) if (!dpp->freqs)
return; return;
@ -2082,6 +2080,10 @@ static void authenticate_response(struct dpp_sm *dpp, const uint8_t *from,
dpp->current_freq = dpp->new_freq; dpp->current_freq = dpp->new_freq;
dpp_send_authenticate_confirm(dpp); dpp_send_authenticate_confirm(dpp);
if (dpp->role == DPP_CAPABILITY_ENROLLEE)
dpp_configuration_start(dpp, from);
} }
static void dpp_handle_presence_announcement(struct dpp_sm *dpp, static void dpp_handle_presence_announcement(struct dpp_sm *dpp,