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wsc: Squash wsc_sm structure

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eap-wsc now handles most of the details
This commit is contained in:
Denis Kenzior 2016-09-13 14:45:05 -05:00
parent c60d34cd8d
commit 1627b3a2bd
2 changed files with 33 additions and 52 deletions
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79
src/wsc.c
View File

@ -43,24 +43,19 @@
static struct l_genl_family *nl80211 = NULL; static struct l_genl_family *nl80211 = NULL;
static uint32_t device_watch = 0; static uint32_t device_watch = 0;
struct wsc_sm { struct wsc {
uint32_t ifindex; struct device *device;
struct l_dbus_message *pending;
uint8_t *wsc_ies; uint8_t *wsc_ies;
size_t wsc_ies_size; size_t wsc_ies_size;
struct l_timeout *walk_timer; struct l_timeout *walk_timer;
uint32_t scan_id; uint32_t scan_id;
}; };
struct wsc {
struct device *device;
struct l_dbus_message *pending;
struct wsc_sm *sm;
};
static bool scan_results(uint32_t wiphy_id, uint32_t ifindex, static bool scan_results(uint32_t wiphy_id, uint32_t ifindex,
struct l_queue *bss_list, void *userdata) struct l_queue *bss_list, void *userdata)
{ {
struct wsc_sm *sm = userdata; struct wsc *wsc = userdata;
struct scan_bss *bss_2g; struct scan_bss *bss_2g;
struct scan_bss *bss_5g; struct scan_bss *bss_5g;
struct scan_bss *target; struct scan_bss *target;
@ -72,7 +67,7 @@ static bool scan_results(uint32_t wiphy_id, uint32_t ifindex,
bss_2g = NULL; bss_2g = NULL;
bss_5g = NULL; bss_5g = NULL;
sm->scan_id = 0; wsc->scan_id = 0;
for (bss_entry = l_queue_get_entries(bss_list); bss_entry; for (bss_entry = l_queue_get_entries(bss_list); bss_entry;
bss_entry = bss_entry->next) { bss_entry = bss_entry->next) {
@ -147,9 +142,9 @@ static bool scan_results(uint32_t wiphy_id, uint32_t ifindex,
target = bss_2g; target = bss_2g;
else { else {
l_debug("No PBC APs found, running the scan again"); l_debug("No PBC APs found, running the scan again");
sm->scan_id = scan_active(sm->ifindex, wsc->scan_id = scan_active(device_get_ifindex(wsc->device),
sm->wsc_ies, sm->wsc_ies_size, wsc->wsc_ies, wsc->wsc_ies_size,
NULL, scan_results, sm, NULL); NULL, scan_results, wsc, NULL);
return false; return false;
} }
@ -159,12 +154,12 @@ static bool scan_results(uint32_t wiphy_id, uint32_t ifindex,
return false; return false;
} }
struct wsc_sm *wsc_sm_new_pushbutton(uint32_t ifindex, const uint8_t *addr, static bool wsc_start_pushbutton(struct wsc *wsc)
uint32_t bands)
{ {
static const uint8_t wfa_oui[] = { 0x00, 0x50, 0xF2 }; static const uint8_t wfa_oui[] = { 0x00, 0x50, 0xF2 };
struct wsc_sm *sm;
struct wsc_probe_request req; struct wsc_probe_request req;
struct wiphy *wiphy = device_get_wiphy(wsc->device);
uint32_t bands;
uint8_t *wsc_data; uint8_t *wsc_data;
size_t wsc_data_size; size_t wsc_data_size;
@ -177,8 +172,8 @@ struct wsc_sm *wsc_sm_new_pushbutton(uint32_t ifindex, const uint8_t *addr,
req.config_methods = WSC_CONFIGURATION_METHOD_VIRTUAL_PUSH_BUTTON | req.config_methods = WSC_CONFIGURATION_METHOD_VIRTUAL_PUSH_BUTTON |
WSC_CONFIGURATION_METHOD_KEYPAD; WSC_CONFIGURATION_METHOD_KEYPAD;
if (!wsc_uuid_from_addr(addr, req.uuid_e)) if (!wsc_uuid_from_addr(device_get_address(wsc->device), req.uuid_e))
return NULL; return false;
/* TODO: Grab from configuration file ? */ /* TODO: Grab from configuration file ? */
req.primary_device_type.category = 255; req.primary_device_type.category = 255;
@ -186,6 +181,7 @@ struct wsc_sm *wsc_sm_new_pushbutton(uint32_t ifindex, const uint8_t *addr,
req.primary_device_type.oui_type = 0x04; req.primary_device_type.oui_type = 0x04;
req.primary_device_type.subcategory = 0; req.primary_device_type.subcategory = 0;
bands = wiphy_get_supported_bands(wiphy);
if (bands & SCAN_BAND_2_4_GHZ) if (bands & SCAN_BAND_2_4_GHZ)
req.rf_bands |= WSC_RF_BAND_2_4_GHZ; req.rf_bands |= WSC_RF_BAND_2_4_GHZ;
if (bands & SCAN_BAND_5_GHZ) if (bands & SCAN_BAND_5_GHZ)
@ -198,35 +194,30 @@ struct wsc_sm *wsc_sm_new_pushbutton(uint32_t ifindex, const uint8_t *addr,
wsc_data = wsc_build_probe_request(&req, &wsc_data_size); wsc_data = wsc_build_probe_request(&req, &wsc_data_size);
if (!wsc_data) if (!wsc_data)
return NULL; return false;
sm = l_new(struct wsc_sm, 1); wsc->wsc_ies = ie_tlv_encapsulate_wsc_payload(wsc_data, wsc_data_size,
sm->wsc_ies = ie_tlv_encapsulate_wsc_payload(wsc_data, wsc_data_size, &wsc->wsc_ies_size);
&sm->wsc_ies_size);
l_free(wsc_data); l_free(wsc_data);
if (!sm->wsc_ies) { if (!wsc->wsc_ies)
l_free(sm); return false;
return NULL;
}
sm->ifindex = ifindex; wsc->scan_id = scan_active(device_get_ifindex(wsc->device),
sm->scan_id = scan_active(ifindex, sm->wsc_ies, sm->wsc_ies_size, wsc->wsc_ies, wsc->wsc_ies_size,
NULL, scan_results, sm, NULL); NULL, scan_results, wsc, NULL);
return true;
return sm;
} }
void wsc_sm_free(struct wsc_sm *sm) static void wsc_abort(struct wsc *wsc)
{ {
l_free(sm->wsc_ies); l_free(wsc->wsc_ies);
wsc->wsc_ies = 0;
if (sm->scan_id > 0) { if (wsc->scan_id > 0) {
scan_cancel(sm->ifindex, sm->scan_id); scan_cancel(device_get_ifindex(wsc->device), wsc->scan_id);
sm->scan_id = 0; wsc->scan_id = 0;
} }
l_free(sm);
} }
static struct l_dbus_message *wsc_push_button(struct l_dbus *dbus, static struct l_dbus_message *wsc_push_button(struct l_dbus *dbus,
@ -240,10 +231,8 @@ static struct l_dbus_message *wsc_push_button(struct l_dbus *dbus,
if (wsc->pending) if (wsc->pending)
return dbus_error_busy(message); return dbus_error_busy(message);
/* TODO: Parse wiphy bands to set the RF Bands properly below */ if (!wsc_start_pushbutton(wsc))
wsc->sm = wsc_sm_new_pushbutton(device_get_ifindex(wsc->device), return dbus_error_failed(message);
device_get_address(wsc->device),
SCAN_BAND_2_4_GHZ | SCAN_BAND_5_GHZ);
wsc->pending = l_dbus_message_ref(message); wsc->pending = l_dbus_message_ref(message);
return NULL; return NULL;
@ -266,8 +255,7 @@ static struct l_dbus_message *wsc_cancel(struct l_dbus *dbus,
dbus_pending_reply(&wsc->pending, dbus_error_aborted(wsc->pending)); dbus_pending_reply(&wsc->pending, dbus_error_aborted(wsc->pending));
wsc_sm_free(wsc->sm); wsc_abort(wsc);
wsc->sm = NULL;
return reply; return reply;
} }
@ -288,8 +276,7 @@ static void wsc_free(void *userdata)
dbus_pending_reply(&wsc->pending, dbus_pending_reply(&wsc->pending,
dbus_error_not_available(wsc->pending)); dbus_error_not_available(wsc->pending));
wsc_sm_free(wsc->sm); wsc_abort(wsc);
wsc->sm = NULL;
} }
l_free(wsc); l_free(wsc);

6
src/wsc.h
View File

@ -23,11 +23,5 @@
#include <stdbool.h> #include <stdbool.h>
#include <stddef.h> #include <stddef.h>
struct wsc_sm;
struct wsc_sm *wsc_sm_new_pushbutton(uint32_t ifindex, const uint8_t *addr,
uint32_t bands);
void wsc_sm_free(struct wsc_sm *wsc_sm);
bool wsc_init(struct l_genl_family *in); bool wsc_init(struct l_genl_family *in);
bool wsc_exit(); bool wsc_exit();