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network: Rework autoconnect logic

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This commit is contained in:
Denis Kenzior 2018-06-14 18:08:54 -05:00
parent 786365e2c7
commit c25499a118
1 changed files with 71 additions and 54 deletions
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125
src/network.c
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@ -410,6 +410,29 @@ static bool network_set_8021x_secrets(struct network *network)
return true;
}
static int network_load_psk(struct network *network)
{
size_t len;
const char *psk = l_settings_get_value(network->settings,
"Security", "PreSharedKey");
if (!psk)
return -ENOKEY;
l_free(network->psk);
network->psk = l_util_from_hexstring(psk, &len);
if (!network->psk)
return -EINVAL;
if (len != 32) {
l_free(network->psk);
network->psk = NULL;
return -EINVAL;
}
return 0;
}
void network_sync_psk(struct network *network)
{
char *hex;
@ -429,16 +452,27 @@ int network_autoconnect(struct network *network, struct scan_bss *bss)
{
struct wiphy *wiphy = device_get_wiphy(network->device);
bool is_autoconnectable;
bool is_rsn;
int ret;
switch (network_get_security(network)) {
case SECURITY_NONE:
network_settings_load(network);
is_rsn = false;
break;
case SECURITY_PSK:
{
if (network->ask_psk)
return -ENOKEY;
/* Fall through */
case SECURITY_8021X:
is_rsn = true;
break;
default:
return -ENOTSUP;
}
if (is_rsn) {
struct ie_rsn_info rsn;
const char *psk;
size_t len;
memset(&rsn, 0, sizeof(rsn));
scan_bss_get_rsn_info(bss, &rsn);
@ -448,65 +482,48 @@ int network_autoconnect(struct network *network, struct scan_bss *bss)
l_debug("Cipher mis-match");
return -ENETUNREACH;
}
if (network->ask_psk)
return -ENOKEY;
if (!network_settings_load(network))
return -ENOKEY;
psk = l_settings_get_value(network->settings, "Security",
"PreSharedKey");
if (!psk) {
network_settings_close(network);
return -ENOKEY;
}
l_free(network->psk);
network->psk = l_util_from_hexstring(psk, &len);
if (network->psk && len != 32) {
network_settings_close(network);
return -ENOKEY;
}
break;
}
case SECURITY_8021X:
{
struct l_queue *missing_secrets = NULL;
if (!network_settings_load(network))
return -ENOKEY;
if (eap_check_settings(network->settings, network->secrets,
"EAP-", true, &missing_secrets) ||
!l_queue_isempty(missing_secrets) ||
!network_set_8021x_secrets(network)) {
l_queue_destroy(missing_secrets, eap_secret_info_free);
network_settings_close(network);
return -ENOKEY;
}
break;
}
default:
return -ENOTSUP;
}
if (!network_settings_load(network))
return -ENOKEY;
/* If no entry, default to Autoconnectable=True */
if (!l_settings_get_bool(network->settings, "Settings",
"Autoconnect", &is_autoconnectable))
goto connect;
is_autoconnectable = true;
if (!is_autoconnectable) {
network_settings_close(network);
return -EPERM;
ret = -EPERM;
if (!is_autoconnectable)
goto close_settings;
if (network_get_security(network) == SECURITY_PSK) {
ret = network_load_psk(network);
if (ret < 0)
goto close_settings;
} else if (network_get_security(network) == SECURITY_8021X) {
struct l_queue *missing_secrets = NULL;
ret = eap_check_settings(network->settings, network->secrets,
"EAP-", true, &missing_secrets);
if (ret < 0)
goto close_settings;
ret = -ENOKEY;
if (!l_queue_isempty(missing_secrets)) {
l_queue_destroy(missing_secrets, eap_secret_info_free);
goto close_settings;
}
if (!network_set_8021x_secrets(network))
goto close_settings;
}
connect:
device_connect_network(network->device, network, bss, NULL);
return 0;
close_settings:
network_settings_close(network);
return ret;
}
void network_connect_failed(struct network *network)