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|
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
/*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA.
*
* (C) Copyright 2011 Red Hat, Inc.
*/
#include <config.h>
#include <string.h>
#include <stdlib.h>
#include "nm-wifi-ap-utils.h"
static gboolean
verify_no_wep (NMSettingWirelessSecurity *s_wsec, const char *tag, GError **error)
{
if ( nm_setting_wireless_security_get_wep_key (s_wsec, 0)
|| nm_setting_wireless_security_get_wep_key (s_wsec, 1)
|| nm_setting_wireless_security_get_wep_key (s_wsec, 2)
|| nm_setting_wireless_security_get_wep_key (s_wsec, 3)
|| nm_setting_wireless_security_get_wep_tx_keyidx (s_wsec)
|| nm_setting_wireless_security_get_wep_key_type (s_wsec)) {
/* Dynamic WEP cannot have any WEP keys set */
g_set_error (error,
NM_SETTING_WIRELESS_SECURITY_ERROR,
NM_SETTING_WIRELESS_SECURITY_ERROR_INVALID_PROPERTY,
"%s is incompatible with static WEP keys", tag);
return FALSE;
}
return TRUE;
}
static gboolean
verify_leap (NMSettingWirelessSecurity *s_wsec,
NMSetting8021x *s_8021x,
gboolean adhoc,
GError **error)
{
const char *key_mgmt, *auth_alg, *leap_username;
key_mgmt = nm_setting_wireless_security_get_key_mgmt (s_wsec);
auth_alg = nm_setting_wireless_security_get_auth_alg (s_wsec);
leap_username = nm_setting_wireless_security_get_leap_username (s_wsec);
/* One (or both) of two things indicates we want LEAP:
* 1) auth_alg == 'leap'
* 2) valid leap_username
*
* LEAP always requires a LEAP username.
*/
if (auth_alg) {
if (!strcmp (auth_alg, "leap")) {
/* LEAP authentication requires at least a LEAP username */
if (!leap_username) {
g_set_error_literal (error,
NM_SETTING_WIRELESS_SECURITY_ERROR,
NM_SETTING_WIRELESS_SECURITY_ERROR_LEAP_REQUIRES_USERNAME,
"LEAP requires a LEAP username");
return FALSE;
}
} else if (leap_username) {
/* Leap username requires 'leap' auth */
g_set_error_literal (error,
NM_SETTING_WIRELESS_SECURITY_ERROR,
NM_SETTING_WIRELESS_SECURITY_ERROR_INVALID_PROPERTY,
"LEAP requires 'leap' authentication");
return FALSE;
}
}
if (leap_username) {
if (key_mgmt && strcmp (key_mgmt, "ieee8021x")) {
/* LEAP requires ieee8021x key management */
g_set_error_literal (error,
NM_SETTING_WIRELESS_SECURITY_ERROR,
NM_SETTING_WIRELESS_SECURITY_ERROR_LEAP_REQUIRES_802_1X,
"LEAP requires IEEE 802.1x key management");
return FALSE;
}
}
/* At this point if auth_alg is set it must be 'leap', and if key_mgmt
* is set it must be 'ieee8021x'.
*/
if (leap_username) {
if (auth_alg)
g_assert (strcmp (auth_alg, "leap") == 0);
if (key_mgmt)
g_assert (strcmp (key_mgmt, "ieee8021x") == 0);
if (adhoc) {
g_set_error_literal (error,
NM_SETTING_WIRELESS_SECURITY_ERROR,
NM_SETTING_WIRELESS_SECURITY_ERROR_INVALID_PROPERTY,
"LEAP incompatible with Ad-Hoc mode");
return FALSE;
}
if (!verify_no_wep (s_wsec, "LEAP", error))
return FALSE;
if (s_8021x) {
g_set_error_literal (error,
NM_SETTING_WIRELESS_SECURITY_ERROR,
NM_SETTING_WIRELESS_SECURITY_ERROR_LEAP_REQUIRES_USERNAME,
"LEAP incompatible with 802.1x setting");
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, "tkip") || !strcmp (pw, "ccmp")) {
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;
}
static gboolean
verify_dynamic_wep (NMSettingWirelessSecurity *s_wsec,
NMSetting8021x *s_8021x,
gboolean adhoc,
GError **error)
{
const char *key_mgmt, *auth_alg, *leap_username;
key_mgmt = nm_setting_wireless_security_get_key_mgmt (s_wsec);
auth_alg = nm_setting_wireless_security_get_auth_alg (s_wsec);
leap_username = nm_setting_wireless_security_get_leap_username (s_wsec);
g_return_val_if_fail (leap_username == NULL, TRUE);
if (key_mgmt) {
if (!strcmp (key_mgmt, "ieee8021x")) {
if (!s_8021x) {
/* 802.1x key management requires an 802.1x setting */
g_set_error_literal (error,
NM_SETTING_WIRELESS_SECURITY_ERROR,
NM_SETTING_WIRELESS_SECURITY_ERROR_INVALID_PROPERTY,
"Dynamic WEP requires an 802.1x setting");
return FALSE;
}
if (auth_alg && strcmp (auth_alg, "open")) {
/* 802.1x key management must use "open" authentication */
g_set_error_literal (error,
NM_SETTING_WIRELESS_SECURITY_ERROR,
NM_SETTING_WIRELESS_SECURITY_ERROR_INVALID_PROPERTY,
"Dynamic WEP requires 'open' authentication");
return FALSE;
}
/* Dynamic WEP incompatible with anything static WEP related */
if (!verify_no_wep (s_wsec, "Dynamic WEP", error))
return FALSE;
} else if (!strcmp (key_mgmt, "none")) {
if (s_8021x) {
/* 802.1x setting requires 802.1x key management */
g_set_error_literal (error,
NM_SETTING_WIRELESS_SECURITY_ERROR,
NM_SETTING_WIRELESS_SECURITY_ERROR_INVALID_PROPERTY,
"Dynamic WEP requires 'ieee8021x' key management");
return FALSE;
}
}
} else if (s_8021x) {
/* 802.1x setting incompatible with anything but 'open' auth */
if (auth_alg && strcmp (auth_alg, "open")) {
/* 802.1x key management must use "open" authentication */
g_set_error_literal (error,
NM_SETTING_WIRELESS_SECURITY_ERROR,
NM_SETTING_WIRELESS_SECURITY_ERROR_INVALID_PROPERTY,
"Dynamic WEP requires 'open' authentication");
return FALSE;
}
/* Dynamic WEP incompatible with anything static WEP related */
if (!verify_no_wep (s_wsec, "Dynamic WEP", error))
return FALSE;
}
return TRUE;
}
static gboolean
verify_wpa_psk (NMSettingWirelessSecurity *s_wsec,
NMSetting8021x *s_8021x,
gboolean adhoc,
guint32 wpa_flags,
guint32 rsn_flags,
GError **error)
{
const char *key_mgmt, *auth_alg, *tmp;
int n;
key_mgmt = nm_setting_wireless_security_get_key_mgmt (s_wsec);
auth_alg = nm_setting_wireless_security_get_auth_alg (s_wsec);
if (key_mgmt) {
if (!strcmp (key_mgmt, "wpa-psk") || !strcmp (key_mgmt, "wpa-none")) {
if (s_8021x) {
g_set_error_literal (error,
NM_SETTING_WIRELESS_SECURITY_ERROR,
NM_SETTING_WIRELESS_SECURITY_ERROR_INVALID_PROPERTY,
"WPA-PSK incompatible with 802.1x");
return FALSE;
}
if (auth_alg && strcmp (auth_alg, "open")) {
/* WPA must use "open" authentication */
g_set_error_literal (error,
NM_SETTING_WIRELESS_SECURITY_ERROR,
NM_SETTING_WIRELESS_SECURITY_ERROR_INVALID_PROPERTY,
"WPA-PSK requires 'open' authentication");
return FALSE;
}
}
if (!strcmp (key_mgmt, "wpa-none")) {
if (!adhoc) {
g_set_error_literal (error,
NM_SETTING_WIRELESS_SECURITY_ERROR,
NM_SETTING_WIRELESS_SECURITY_ERROR_INVALID_PROPERTY,
"WPA Ad-Hoc requires an Ad-Hoc mode AP");
return FALSE;
}
/* Ad-Hoc WPA requires 'wpa' proto, 'none' pairwise, and 'tkip' group */
n = nm_setting_wireless_security_get_num_protos (s_wsec);
tmp = (n > 0) ? nm_setting_wireless_security_get_proto (s_wsec, 0) : NULL;
if (n > 1 || !tmp || strcmp (tmp, "wpa")) {
g_set_error_literal (error,
NM_SETTING_WIRELESS_SECURITY_ERROR,
NM_SETTING_WIRELESS_SECURITY_ERROR_INVALID_PROPERTY,
"WPA Ad-Hoc requires 'wpa' proto");
return FALSE;
}
n = nm_setting_wireless_security_get_num_pairwise (s_wsec);
tmp = (n > 0) ? nm_setting_wireless_security_get_pairwise (s_wsec, 0) : NULL;
if (n > 1 || g_strcmp0 (tmp, "none")) {
g_set_error_literal (error,
NM_SETTING_WIRELESS_SECURITY_ERROR,
NM_SETTING_WIRELESS_SECURITY_ERROR_INVALID_PROPERTY,
"WPA Ad-Hoc requires 'none' pairwise cipher");
return FALSE;
}
n = nm_setting_wireless_security_get_num_groups (s_wsec);
tmp = (n > 0) ? nm_setting_wireless_security_get_group (s_wsec, 0) : NULL;
if (n > 1 || !tmp || strcmp (tmp, "tkip")) {
g_set_error_literal (error,
NM_SETTING_WIRELESS_SECURITY_ERROR,
NM_SETTING_WIRELESS_SECURITY_ERROR_INVALID_PROPERTY,
"WPA Ad-Hoc requires 'tkip' group cipher");
return FALSE;
}
}
if (!strcmp (key_mgmt, "wpa-psk")) {
/* Make sure the AP's capabilities support WPA-PSK */
if ( !(wpa_flags & NM_802_11_AP_SEC_KEY_MGMT_PSK)
&& !(rsn_flags & NM_802_11_AP_SEC_KEY_MGMT_PSK)) {
g_set_error_literal (error,
NM_SETTING_WIRELESS_SECURITY_ERROR,
NM_SETTING_WIRELESS_SECURITY_ERROR_INVALID_PROPERTY,
"AP does not support PSK but setting requires it");
return FALSE;
}
}
}
return TRUE;
}
static gboolean
verify_wpa_eap (NMSettingWirelessSecurity *s_wsec,
NMSetting8021x *s_8021x,
guint32 wpa_flags,
guint32 rsn_flags,
GError **error)
{
const char *key_mgmt, *auth_alg;
gboolean is_wpa_eap = FALSE;
key_mgmt = nm_setting_wireless_security_get_key_mgmt (s_wsec);
auth_alg = nm_setting_wireless_security_get_auth_alg (s_wsec);
if (key_mgmt) {
if (!strcmp (key_mgmt, "wpa-eap")) {
if (!s_8021x) {
g_set_error_literal (error,
NM_SETTING_WIRELESS_SECURITY_ERROR,
NM_SETTING_WIRELESS_SECURITY_ERROR_INVALID_PROPERTY,
"WPA-EAP requires an 802.1x setting");
return FALSE;
}
if (auth_alg && strcmp (auth_alg, "open")) {
/* WPA must use "open" authentication */
g_set_error_literal (error,
NM_SETTING_WIRELESS_SECURITY_ERROR,
NM_SETTING_WIRELESS_SECURITY_ERROR_INVALID_PROPERTY,
"WPA-EAP requires 'open' authentication");
return FALSE;
}
is_wpa_eap = TRUE;
} else if (s_8021x) {
g_set_error_literal (error,
NM_SETTING_WIRELESS_SECURITY_ERROR,
NM_SETTING_WIRELESS_SECURITY_ERROR_INVALID_PROPERTY,
"Setting requires 802.1x but does not use 'wpa-eap' key management");
return FALSE;
}
}
if (is_wpa_eap || s_8021x) {
/* Make sure the AP's capabilities support WPA-EAP */
if ( !(wpa_flags & NM_802_11_AP_SEC_KEY_MGMT_802_1X)
&& !(rsn_flags & NM_802_11_AP_SEC_KEY_MGMT_802_1X)) {
g_set_error_literal (error,
NM_SETTING_WIRELESS_SECURITY_ERROR,
NM_SETTING_WIRELESS_SECURITY_ERROR_INVALID_PROPERTY,
"AP does not support 802.1x but setting requires it");
return FALSE;
}
}
return TRUE;
}
static gboolean
verify_adhoc (NMSettingWirelessSecurity *s_wsec,
NMSetting8021x *s_8021x,
gboolean adhoc,
GError **error)
{
const char *key_mgmt = NULL, *leap_username = NULL, *auth_alg = NULL;
if (s_wsec) {
key_mgmt = nm_setting_wireless_security_get_key_mgmt (s_wsec);
auth_alg = nm_setting_wireless_security_get_auth_alg (s_wsec);
leap_username = nm_setting_wireless_security_get_leap_username (s_wsec);
}
if (adhoc) {
if (key_mgmt && strcmp (key_mgmt, "wpa-none") && strcmp (key_mgmt, "none")) {
g_set_error_literal (error,
NM_SETTING_WIRELESS_SECURITY_ERROR,
NM_SETTING_WIRELESS_SECURITY_ERROR_INVALID_PROPERTY,
"AP mode is Ad-Hoc but setting requires Infrastructure security");
return FALSE;
}
if (s_8021x) {
g_set_error_literal (error,
NM_SETTING_WIRELESS_SECURITY_ERROR,
NM_SETTING_WIRELESS_SECURITY_ERROR_INVALID_PROPERTY,
"Ad-Hoc mode incompatible with 802.1x security");
return FALSE;
}
if (leap_username) {
g_set_error_literal (error,
NM_SETTING_WIRELESS_SECURITY_ERROR,
NM_SETTING_WIRELESS_SECURITY_ERROR_INVALID_PROPERTY,
"Ad-Hoc mode incompatible with LEAP security");
return FALSE;
}
if (auth_alg && strcmp (auth_alg, "open")) {
g_set_error_literal (error,
NM_SETTING_WIRELESS_SECURITY_ERROR,
NM_SETTING_WIRELESS_SECURITY_ERROR_INVALID_PROPERTY,
"Ad-Hoc mode requires 'open' authentication");
return FALSE;
}
} else {
if (key_mgmt && !strcmp (key_mgmt, "wpa-none")) {
g_set_error_literal (error,
NM_SETTING_WIRELESS_SECURITY_ERROR,
NM_SETTING_WIRELESS_SECURITY_ERROR_INVALID_PROPERTY,
"AP mode is Infrastructure but setting requires Ad-Hoc security");
return FALSE;
}
}
return TRUE;
}
gboolean
nm_ap_utils_complete_connection (const GByteArray *ap_ssid,
const guint8 ap_bssid[ETH_ALEN],
NM80211Mode ap_mode,
guint32 ap_flags,
guint32 ap_wpa_flags,
guint32 ap_rsn_flags,
NMConnection *connection,
gboolean lock_bssid,
GError **error)
{
NMSettingWireless *s_wifi;
NMSettingWirelessSecurity *s_wsec;
NMSetting8021x *s_8021x;
const GByteArray *ssid;
const char *mode, *key_mgmt, *auth_alg, *leap_username;
gboolean adhoc = FALSE;
s_wifi = nm_connection_get_setting_wireless (connection);
g_assert (s_wifi);
s_wsec = nm_connection_get_setting_wireless_security (connection);
s_8021x = nm_connection_get_setting_802_1x (connection);
/* Fill in missing SSID */
ssid = nm_setting_wireless_get_ssid (s_wifi);
if (!ssid)
g_object_set (G_OBJECT (s_wifi), NM_SETTING_WIRELESS_SSID, ap_ssid, NULL);
else if ( ssid->len != ap_ssid->len
|| memcmp (ssid->data, ap_ssid->data, ssid->len)) {
g_set_error_literal (error,
NM_SETTING_WIRELESS_ERROR,
NM_SETTING_WIRELESS_ERROR_INVALID_PROPERTY,
"Setting SSID did not match AP SSID");
return FALSE;
}
if (lock_bssid && !nm_setting_wireless_get_bssid (s_wifi)) {
GByteArray *bssid;
bssid = g_byte_array_sized_new (ETH_ALEN);
g_byte_array_append (bssid, ap_bssid, ETH_ALEN);
g_object_set (G_OBJECT (s_wifi), NM_SETTING_WIRELESS_BSSID, bssid, NULL);
g_byte_array_free (bssid, TRUE);
}
/* And mode */
mode = nm_setting_wireless_get_mode (s_wifi);
if (mode) {
gboolean valid = FALSE;
/* Make sure the supplied mode matches the AP's */
if ( !strcmp (mode, NM_SETTING_WIRELESS_MODE_INFRA)
|| !strcmp (mode, NM_SETTING_WIRELESS_MODE_AP)) {
if (ap_mode == NM_802_11_MODE_INFRA)
valid = TRUE;
} else if (!strcmp (mode, NM_SETTING_WIRELESS_MODE_ADHOC)) {
if (ap_mode == NM_802_11_MODE_ADHOC)
valid = TRUE;
adhoc = TRUE;
}
if (valid == FALSE) {
g_set_error (error,
NM_SETTING_WIRELESS_ERROR,
NM_SETTING_WIRELESS_ERROR_INVALID_PROPERTY,
NM_SETTING_WIRELESS_MODE);
return FALSE;
}
} else {
mode = NM_SETTING_WIRELESS_MODE_INFRA;
if (ap_mode == NM_802_11_MODE_ADHOC) {
mode = NM_SETTING_WIRELESS_MODE_ADHOC;
adhoc = TRUE;
}
g_object_set (G_OBJECT (s_wifi), NM_SETTING_WIRELESS_MODE, mode, NULL);
}
/* Security */
/* Open */
if ( !(ap_flags & NM_802_11_AP_FLAGS_PRIVACY)
&& (ap_wpa_flags == NM_802_11_AP_SEC_NONE)
&& (ap_rsn_flags == NM_802_11_AP_SEC_NONE)) {
/* Make sure the connection doesn't specify security */
if (s_wsec || s_8021x) {
g_set_error_literal (error,
NM_SETTING_WIRELESS_SECURITY_ERROR,
NM_SETTING_WIRELESS_SECURITY_ERROR_INVALID_PROPERTY,
"AP is unencrypted but setting specifies security");
return FALSE;
}
return TRUE;
}
/* Everything else requires security */
if (!s_wsec) {
s_wsec = (NMSettingWirelessSecurity *) nm_setting_wireless_security_new ();
nm_connection_add_setting (connection, NM_SETTING (s_wsec));
}
key_mgmt = nm_setting_wireless_security_get_key_mgmt (s_wsec);
auth_alg = nm_setting_wireless_security_get_auth_alg (s_wsec);
leap_username = nm_setting_wireless_security_get_leap_username (s_wsec);
/* Ad-Hoc checks */
if (!verify_adhoc (s_wsec, s_8021x, adhoc, error))
return FALSE;
/* Static WEP, Dynamic WEP, or LEAP */
if ( (ap_flags & NM_802_11_AP_FLAGS_PRIVACY)
&& (ap_wpa_flags == NM_802_11_AP_SEC_NONE)
&& (ap_rsn_flags == NM_802_11_AP_SEC_NONE)) {
const char *tag = "WEP";
gboolean is_dynamic_wep = FALSE;
if (!verify_leap (s_wsec, s_8021x, adhoc, error))
return FALSE;
if (leap_username) {
tag = "LEAP";
} else {
/* Static or Dynamic WEP */
if (!verify_dynamic_wep (s_wsec, s_8021x, adhoc, error))
return FALSE;
if (s_8021x || (key_mgmt && !strcmp (key_mgmt, "ieee8021x"))) {
is_dynamic_wep = TRUE;
tag = "Dynamic WEP";
}
}
/* Nothing WPA-related can be set */
if (!verify_no_wpa (s_wsec, tag, error))
return FALSE;
if (leap_username) {
/* LEAP */
g_object_set (s_wsec,
NM_SETTING_WIRELESS_SECURITY_KEY_MGMT, "ieee8021x",
NM_SETTING_WIRELESS_SECURITY_AUTH_ALG, "leap",
NULL);
} else if (is_dynamic_wep) {
/* Dynamic WEP */
g_object_set (s_wsec,
NM_SETTING_WIRELESS_SECURITY_KEY_MGMT, "ieee8021x",
NM_SETTING_WIRELESS_SECURITY_AUTH_ALG, "open",
NULL);
if (s_8021x) {
/* Dynamic WEP requires a valid 802.1x setting since we can't
* autocomplete 802.1x.
*/
if (!nm_setting_verify (NM_SETTING (s_8021x), NULL, error))
return FALSE;
}
} else {
/* Static WEP */
g_object_set (s_wsec,
NM_SETTING_WIRELESS_SECURITY_KEY_MGMT, "none",
NULL);
}
return TRUE;
}
/* WPA/RSN */
g_assert (ap_wpa_flags || ap_rsn_flags);
/* Ensure key management is valid for WPA */
if ((key_mgmt && !strcmp (key_mgmt, "ieee8021x")) || leap_username) {
g_set_error_literal (error,
NM_SETTING_WIRELESS_SECURITY_ERROR,
NM_SETTING_WIRELESS_SECURITY_ERROR_INVALID_PROPERTY,
"WPA incompatible with non-EAP (original) LEAP or Dynamic WEP");
return FALSE;
}
/* 'shared' auth incompatible with any type of WPA */
if (auth_alg && strcmp (auth_alg, "open")) {
g_set_error_literal (error,
NM_SETTING_WIRELESS_SECURITY_ERROR,
NM_SETTING_WIRELESS_SECURITY_ERROR_INVALID_PROPERTY,
"WPA incompatible with Shared Key authentication");
return FALSE;
}
if (!verify_no_wep (s_wsec, "WPA", error))
return FALSE;
if (!verify_wpa_psk (s_wsec, s_8021x, adhoc, ap_wpa_flags, ap_rsn_flags, error))
return FALSE;
if (!adhoc && !verify_wpa_eap (s_wsec, s_8021x, ap_wpa_flags, ap_rsn_flags, error))
return FALSE;
if (adhoc) {
g_object_set (s_wsec, NM_SETTING_WIRELESS_SECURITY_KEY_MGMT, "wpa-none", NULL);
/* Ad-Hoc does not support RSN/WPA2 */
nm_setting_wireless_security_add_proto (s_wsec, "wpa");
nm_setting_wireless_security_add_pairwise (s_wsec, "none");
nm_setting_wireless_security_add_group (s_wsec, "tkip");
} else if (s_8021x) {
g_object_set (s_wsec,
NM_SETTING_WIRELESS_SECURITY_KEY_MGMT, "wpa-eap",
NM_SETTING_WIRELESS_SECURITY_AUTH_ALG, "open",
NULL);
/* Leave proto/pairwise/group as client set them; if they are unset the
* supplicant will figure out the best combination at connect time.
*/
/* 802.1x also requires the client to completely fill in the 8021x
* setting. Since there's so much configuration required for it, there's
* no way it can be automatically completed.
*/
} else if ( (key_mgmt && !strcmp (key_mgmt, "wpa-psk"))
|| (ap_wpa_flags & NM_802_11_AP_SEC_KEY_MGMT_PSK)
|| (ap_rsn_flags & NM_802_11_AP_SEC_KEY_MGMT_PSK)) {
g_object_set (s_wsec,
NM_SETTING_WIRELESS_SECURITY_KEY_MGMT, "wpa-psk",
NM_SETTING_WIRELESS_SECURITY_AUTH_ALG, "open",
NULL);
/* Leave proto/pairwise/group as client set them; if they are unset the
* supplicant will figure out the best combination at connect time.
*/
} else {
g_set_error_literal (error,
NM_SETTING_WIRELESS_SECURITY_ERROR,
NM_SETTING_WIRELESS_SECURITY_ERROR_INVALID_PROPERTY,
"Failed to determine AP security information");
return FALSE;
}
return TRUE;
}
guint32
nm_ap_utils_level_to_quality (gint val)
{
if (val < 0) {
/* Assume dBm already; rough conversion: best = -40, worst = -100 */
val = abs (CLAMP (val, -100, -40) + 40); /* normalize to 0 */
val = 100 - (int) ((100.0 * (double) val) / 60.0);
} else if (val > 110 && val < 256) {
/* assume old-style WEXT 8-bit unsigned signal level */
val -= 256; /* subtract 256 to convert to dBm */
val = abs (CLAMP (val, -100, -40) + 40); /* normalize to 0 */
val = 100 - (int) ((100.0 * (double) val) / 60.0);
} else {
/* Assume signal is a "quality" percentage */
val = CLAMP (val, 0, 100);
}
g_assert (val >= 0);
return (guint32) val;
}
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