gboolean
nm_supplicant_config_add_setting_wireless_security (NMSupplicantConfig *self,
NMSettingWirelessSecurity *setting,
NMSetting8021x *setting_8021x,
const char *con_uuid,
guint32 mtu,
GError **error)
{
const char *key_mgmt, *auth_alg;
const char *psk;
g_return_val_if_fail (NM_IS_SUPPLICANT_CONFIG (self), FALSE);
g_return_val_if_fail (setting != NULL, FALSE);
g_return_val_if_fail (con_uuid != NULL, FALSE);
g_return_val_if_fail (!error || !*error, FALSE);
key_mgmt = nm_setting_wireless_security_get_key_mgmt (setting);
if (!add_string_val (self, key_mgmt, "key_mgmt", TRUE, FALSE, error))
return FALSE;
auth_alg = nm_setting_wireless_security_get_auth_alg (setting);
if (!add_string_val (self, auth_alg, "auth_alg", TRUE, FALSE, error))
return FALSE;
psk = nm_setting_wireless_security_get_psk (setting);
if (psk) {
size_t psk_len = strlen (psk);
if (psk_len == 64) {
gs_unref_bytes GBytes *bytes = NULL;
/* Hex PSK */
bytes = nm_utils_hexstr2bin (psk);
if (!bytes) {
g_set_error (error, NM_SUPPLICANT_ERROR, NM_SUPPLICANT_ERROR_CONFIG,
"Cannot add psk to supplicant config due to invalid hex");
return FALSE;
}
if (!nm_supplicant_config_add_option (self,
"psk",
g_bytes_get_data (bytes, NULL),
g_bytes_get_size (bytes),
TRUE,
error))
return FALSE;
} else if (psk_len >= 8 && psk_len <= 63) {
/* Use TYPE_STRING here so that it gets pushed to the
* supplicant as a string, and therefore gets quoted,
* and therefore the supplicant will interpret it as a
* passphrase and not a hex key.
*/
if (!nm_supplicant_config_add_option_with_type (self, "psk", psk, -1, TYPE_STRING, TRUE, error))
return FALSE;
} else {
g_set_error (error, NM_SUPPLICANT_ERROR, NM_SUPPLICANT_ERROR_CONFIG,
"Cannot add psk to supplicant config due to invalid PSK length %u (not between 8 and 63 characters)",
(guint) psk_len);
return FALSE;
}
}
/* Only WPA-specific things when using WPA */
if ( !strcmp (key_mgmt, "wpa-none")
|| !strcmp (key_mgmt, "wpa-psk")
|| !strcmp (key_mgmt, "wpa-eap")) {
if (!ADD_STRING_LIST_VAL (self, setting, wireless_security, proto, protos, "proto", ' ', TRUE, FALSE, error))
return FALSE;
if (!ADD_STRING_LIST_VAL (self, setting, wireless_security, pairwise, pairwise, "pairwise", ' ', TRUE, FALSE, error))
return FALSE;
if (!ADD_STRING_LIST_VAL (self, setting, wireless_security, group, groups, "group", ' ', TRUE, FALSE, error))
return FALSE;
}
/* WEP keys if required */
if (!strcmp (key_mgmt, "none")) {
NMWepKeyType wep_type = nm_setting_wireless_security_get_wep_key_type (setting);
const char *wep0 = nm_setting_wireless_security_get_wep_key (setting, 0);
const char *wep1 = nm_setting_wireless_security_get_wep_key (setting, 1);
const char *wep2 = nm_setting_wireless_security_get_wep_key (setting, 2);
const char *wep3 = nm_setting_wireless_security_get_wep_key (setting, 3);
if (!add_wep_key (self, wep0, "wep_key0", wep_type, error))
return FALSE;
if (!add_wep_key (self, wep1, "wep_key1", wep_type, error))
return FALSE;
if (!add_wep_key (self, wep2, "wep_key2", wep_type, error))
return FALSE;
if (!add_wep_key (self, wep3, "wep_key3", wep_type, error))
return FALSE;
if (wep0 || wep1 || wep2 || wep3) {
gs_free char *value = NULL;
value = g_strdup_printf ("%d", nm_setting_wireless_security_get_wep_tx_keyidx (setting));
if (!nm_supplicant_config_add_option (self, "wep_tx_keyidx", value, -1, FALSE, error))
return FALSE;
}
}
if (auth_alg && !strcmp (auth_alg, "leap")) {
/* LEAP */
if (!strcmp (key_mgmt, "ieee8021x")) {
const char *tmp;
tmp = nm_setting_wireless_security_get_leap_username (setting);
if (!add_string_val (self, tmp, "identity", FALSE, FALSE, error))
return FALSE;
tmp = nm_setting_wireless_security_get_leap_password (setting);
if (!add_string_val (self, tmp, "password", FALSE, TRUE, error))
return FALSE;
if (!add_string_val (self, "leap", "eap", TRUE, FALSE, error))
return FALSE;
} else {
g_set_error (error, NM_SUPPLICANT_ERROR, NM_SUPPLICANT_ERROR_CONFIG,
"Invalid key-mgmt \"%s\" for leap", key_mgmt);
return FALSE;
}
} else {
/* 802.1x for Dynamic WEP and WPA-Enterprise */
if (!strcmp (key_mgmt, "ieee8021x") || !strcmp (key_mgmt, "wpa-eap")) {
if (!setting_8021x) {
g_set_error (error, NM_SUPPLICANT_ERROR, NM_SUPPLICANT_ERROR_CONFIG,
"Cannot set key-mgmt %s with missing 8021x setting", key_mgmt);
return FALSE;
}
if (!nm_supplicant_config_add_setting_8021x (self, setting_8021x, con_uuid, mtu, FALSE, error))
return FALSE;
}
if (!strcmp (key_mgmt, "wpa-eap")) {
/* If using WPA Enterprise, enable optimized background scanning
* to ensure roaming within an ESS works well.
*/
if (!nm_supplicant_config_add_option (self, "bgscan", "simple:30:-65:300", -1, FALSE, error))
return FALSE;
/* When using WPA-Enterprise, we want to use Proactive Key Caching (also
* called Opportunistic Key Caching) to avoid full EAP exchanges when
* roaming between access points in the same mobility group.
*/
if (!nm_supplicant_config_add_option (self, "proactive_key_caching", "1", -1, FALSE, error))
return FALSE;
}
}
return TRUE;
}
static gboolean
verify_no_wpa (NMSettingWirelessSecurity *s_wsec,
const char *tag,
GError **error)
{
const char *key_mgmt;
int n, i;
key_mgmt = nm_setting_wireless_security_get_key_mgmt (s_wsec);
if (key_mgmt && !strncmp (key_mgmt, "wpa", 3)) {
g_set_error (error,
NM_SETTING_WIRELESS_SECURITY_ERROR,
NM_SETTING_WIRELESS_SECURITY_ERROR_INVALID_PROPERTY,
"%s incompatible with any WPA key management", tag);
return FALSE;
}
if (nm_setting_wireless_security_get_num_protos (s_wsec)) {
g_set_error (error,
NM_SETTING_WIRELESS_SECURITY_ERROR,
NM_SETTING_WIRELESS_SECURITY_ERROR_INVALID_PROPERTY,
"%s incompatible with any 'proto' setting", tag);
return FALSE;
}
n = nm_setting_wireless_security_get_num_pairwise (s_wsec);
for (i = 0; i < n; i++) {
const char *pw;
pw = nm_setting_wireless_security_get_pairwise (s_wsec, i);
if (strcmp (pw, "wep40") && strcmp (pw, "wep104")) {
g_set_error (error,
NM_SETTING_WIRELESS_SECURITY_ERROR,
NM_SETTING_WIRELESS_SECURITY_ERROR_INVALID_PROPERTY,
"%s is incompatible with WPA pairwise ciphers", tag);
return FALSE;
}
}
n = nm_setting_wireless_security_get_num_groups (s_wsec);
for (i = 0; i < n; i++) {
const char *gr;
gr = nm_setting_wireless_security_get_group (s_wsec, i);
if (strcmp (gr, "wep40") && strcmp (gr, "wep104")) {
g_set_error (error,
NM_SETTING_WIRELESS_SECURITY_ERROR,
NM_SETTING_WIRELESS_SECURITY_ERROR_INVALID_PROPERTY,
"%s is incompatible with WPA group ciphers", tag);
return FALSE;
}
}
if (nm_setting_wireless_security_get_psk (s_wsec)) {
g_set_error (error,
NM_SETTING_WIRELESS_SECURITY_ERROR,
NM_SETTING_WIRELESS_SECURITY_ERROR_INVALID_PROPERTY,
"%s is incompatible with a WPA Pre-Shared Key", tag);
return FALSE;
}
return TRUE;
}
