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wiphy: Add auto-connect logic

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This commit is contained in:
Denis Kenzior 2015-06-22 18:33:55 -05:00
parent f055c22825
commit 94aba17968
1 changed files with 78 additions and 0 deletions
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78
src/wiphy.c
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@ -932,6 +932,81 @@ static bool netdev_match(const void *a, const void *b)
return (netdev->index == index);
}
static bool netdev_try_autoconnect(struct netdev *netdev,
struct network *network,
struct scan_bss *bss)
{
struct wiphy *wiphy = netdev->wiphy;
switch (network->ssid_security) {
case SCAN_SSID_SECURITY_NONE:
break;
case SCAN_SSID_SECURITY_PSK:
{
uint16_t pairwise_ciphers, group_ciphers;
const char *psk;
size_t len;
bss_get_supported_ciphers(bss,
&pairwise_ciphers, &group_ciphers);
if (!wiphy_select_cipher(wiphy, pairwise_ciphers) ||
!wiphy_select_cipher(wiphy, group_ciphers)) {
l_debug("Cipher mis-match");
return false;
}
if (network->ask_psk)
return false;
network->settings = storage_network_open("psk", network->ssid);
psk = l_settings_get_value(network->settings, "Security",
"PreSharedKey");
/* TODO: Blacklist the network from auto-connect */
if (!psk)
return false;
l_free(network->psk);
network->psk = l_util_from_hexstring(psk, &len);
if (network->psk && len != 32) {
l_free(network->psk);
network->psk = NULL;
return false;
}
break;
}
default:
return false;
}
mlme_authenticate_cmd(network, bss);
return true;
}
static void netdev_autoconnect_next(struct netdev *netdev)
{
struct autoconnect_entry *entry;
bool r;
while ((entry = l_queue_pop_head(netdev->autoconnect_list))) {
l_debug("Considering autoconnecting to BSS '%s' with SSID: %s,"
" freq: %u, rank: %u, strength: %i",
bss_address_to_string(entry->bss),
entry->network->ssid,
entry->bss->frequency, entry->rank,
entry->bss->signal_strength);
r = netdev_try_autoconnect(netdev, entry->network, entry->bss);
l_free(entry);
if (r)
return;
}
}
static void wiphy_free(void *data)
{
struct wiphy *wiphy = data;
@ -1725,6 +1800,9 @@ static bool new_scan_results(uint32_t wiphy_id, uint32_t ifindex,
l_queue_destroy(netdev->old_bss_list, bss_free);
netdev->old_bss_list = NULL;
if (netdev->state == NETDEV_STATE_AUTOCONNECT)
netdev_autoconnect_next(netdev);
return true;
}