+++ /dev/null
-/*
- * WPA Supplicant - iPhone/iPod touch Apple80211 driver interface
- * Copyright (c) 2007, Jouni Malinen <j@w1.fi>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * Alternatively, this software may be distributed under the terms of BSD
- * license.
- *
- * See README and COPYING for more details.
- */
-
-#include "includes.h"
-#define Boolean __DummyBoolean
-#include <CoreFoundation/CoreFoundation.h>
-#undef Boolean
-
-#include "common.h"
-#include "driver.h"
-#include "eloop.h"
-#include "common/ieee802_11_defs.h"
-
-#include "MobileApple80211.h"
-
-struct wpa_driver_iphone_data {
- void *ctx;
- Apple80211Ref wireless_ctx;
- CFArrayRef scan_results;
- int ctrl_power;
-};
-
-
-static const void * cfdict_get_key_str(CFDictionaryRef dict, const char *key)
-{
- const void *res;
- CFStringRef str = CFStringCreateWithCString(kCFAllocatorDefault, key,
- kCFStringEncodingMacRoman);
- if (str == NULL)
- return NULL;
-
- res = CFDictionaryGetValue(dict, str);
- CFRelease(str);
- return res;
-}
-
-
-static int wpa_driver_iphone_get_ssid(void *priv, u8 *ssid)
-{
- struct wpa_driver_iphone_data *drv = priv;
- CFDataRef data;
- int err, len;
-
- err = Apple80211CopyValue(drv->wireless_ctx, APPLE80211_VALUE_SSID, 0,
- &data);
- if (err != 0) {
- wpa_printf(MSG_DEBUG, "iPhone: Apple80211CopyValue(SSID) "
- "failed: %d", err);
- return -1;
- }
-
- len = CFDataGetLength(data);
- if (len > 32) {
- CFRelease(data);
- return -1;
- }
- os_memcpy(ssid, CFDataGetBytePtr(data), len);
- CFRelease(data);
-
- return len;
-}
-
-
-static int wpa_driver_iphone_get_bssid(void *priv, u8 *bssid)
-{
- struct wpa_driver_iphone_data *drv = priv;
- CFStringRef data;
- int err;
- int a1, a2, a3, a4, a5, a6;
-
- err = Apple80211CopyValue(drv->wireless_ctx, APPLE80211_VALUE_BSSID, 0,
- &data);
- if (err != 0) {
- wpa_printf(MSG_DEBUG, "iPhone: Apple80211CopyValue(BSSID) "
- "failed: %d", err);
- return -1;
- }
-
- sscanf(CFStringGetCStringPtr(data, kCFStringEncodingMacRoman),
- "%x:%x:%x:%x:%x:%x", &a1, &a2, &a3, &a4, &a5, &a6);
- bssid[0] = a1;
- bssid[1] = a2;
- bssid[2] = a3;
- bssid[3] = a4;
- bssid[4] = a5;
- bssid[5] = a6;
-
- CFRelease(data);
-
- return 0;
-}
-
-
-static void wpa_driver_iphone_scan_timeout(void *eloop_ctx, void *timeout_ctx)
-{
- wpa_supplicant_event(timeout_ctx, EVENT_SCAN_RESULTS, NULL);
-}
-
-
-static int wpa_driver_iphone_scan(void *priv, const u8 *ssid, size_t ssid_len)
-{
- struct wpa_driver_iphone_data *drv = priv;
- int err;
-
- if (drv->scan_results) {
- CFRelease(drv->scan_results);
- drv->scan_results = NULL;
- }
-
- err = Apple80211Scan(drv->wireless_ctx, &drv->scan_results, NULL);
- if (err) {
- wpa_printf(MSG_DEBUG, "iPhone: Apple80211Scan failed: %d",
- err);
- return -1;
- }
-
- eloop_register_timeout(0, 0, wpa_driver_iphone_scan_timeout, drv,
- drv->ctx);
- return 0;
-}
-
-
-static int wpa_driver_iphone_get_scan_results(void *priv,
- struct wpa_scan_result *results,
- size_t max_size)
-{
- struct wpa_driver_iphone_data *drv = priv;
- size_t i, num;
-
- if (drv->scan_results == NULL)
- return 0;
-
- num = CFArrayGetCount(drv->scan_results);
- if (num > max_size)
- num = max_size;
- os_memset(results, 0, num * sizeof(struct wpa_scan_result));
-
- for (i = 0; i < num; i++) {
- struct wpa_scan_result *res = &results[i];
- CFDictionaryRef dict =
- CFArrayGetValueAtIndex(drv->scan_results, i);
- CFDataRef data;
- CFStringRef str;
- CFNumberRef num;
- int val;
-
- data = cfdict_get_key_str(dict, "SSID");
- if (data) {
- res->ssid_len = CFDataGetLength(data);
- if (res->ssid_len > 32)
- res->ssid_len = 32;
- os_memcpy(res->ssid, CFDataGetBytePtr(data),
- res->ssid_len);
- }
-
- str = cfdict_get_key_str(dict, "BSSID");
- if (str) {
- int a1, a2, a3, a4, a5, a6;
- sscanf(CFStringGetCStringPtr(
- str, kCFStringEncodingMacRoman),
- "%x:%x:%x:%x:%x:%x",
- &a1, &a2, &a3, &a4, &a5, &a6);
- res->bssid[0] = a1;
- res->bssid[1] = a2;
- res->bssid[2] = a3;
- res->bssid[3] = a4;
- res->bssid[4] = a5;
- res->bssid[5] = a6;
- }
-
- num = cfdict_get_key_str(dict, "CAPABILITIES");
- if (num) {
- if (CFNumberGetValue(num, kCFNumberSInt32Type, &val))
- res->caps = val;
- }
-
- num = cfdict_get_key_str(dict, "CHANNEL");
- if (num) {
- if (CFNumberGetValue(num, kCFNumberSInt32Type, &val))
- res->freq = 2407 + val * 5;
- }
-
- num = cfdict_get_key_str(dict, "RSSI");
- if (num) {
- if (CFNumberGetValue(num, kCFNumberSInt32Type, &val))
- res->level = val;
- }
-
- num = cfdict_get_key_str(dict, "NOISE");
- if (num) {
- if (CFNumberGetValue(num, kCFNumberSInt32Type, &val))
- res->noise = val;
- }
-
- data = cfdict_get_key_str(dict, "IE");
- if (data) {
- u8 *ptr = (u8 *) CFDataGetBytePtr(data);
- int len = CFDataGetLength(data);
- u8 *pos = ptr, *end = ptr + len;
-
- while (pos + 2 < end) {
- if (pos + 2 + pos[1] > end)
- break;
- if (pos[0] == WLAN_EID_RSN &&
- pos[1] <= SSID_MAX_WPA_IE_LEN) {
- os_memcpy(res->rsn_ie, pos,
- 2 + pos[1]);
- res->rsn_ie_len = 2 + pos[1];
- }
- if (pos[0] == WLAN_EID_VENDOR_SPECIFIC &&
- pos[1] > 4 && pos[2] == 0x00 &&
- pos[3] == 0x50 && pos[4] == 0xf2 &&
- pos[5] == 0x01) {
- os_memcpy(res->wpa_ie, pos,
- 2 + pos[1]);
- res->wpa_ie_len = 2 + pos[1];
- }
-
- pos = pos + 2 + pos[1];
- }
- }
- }
-
- return num;
-}
-
-
-static void wpa_driver_iphone_assoc_timeout(void *eloop_ctx, void *timeout_ctx)
-{
- struct wpa_driver_iphone_data *drv = eloop_ctx;
- u8 bssid[ETH_ALEN];
-
- if (wpa_driver_iphone_get_bssid(drv, bssid) != 0) {
- eloop_register_timeout(1, 0, wpa_driver_iphone_assoc_timeout,
- drv, drv->ctx);
- return;
- }
-
- wpa_supplicant_event(timeout_ctx, EVENT_ASSOC, NULL);
-}
-
-
-static int wpa_driver_iphone_associate(
- void *priv, struct wpa_driver_associate_params *params)
-{
- struct wpa_driver_iphone_data *drv = priv;
- int i, num, err;
- size_t ssid_len;
- CFDictionaryRef bss = NULL;
-
- /*
- * TODO: Consider generating parameters instead of just using an entry
- * from scan results in order to support ap_scan=2.
- */
-
- if (drv->scan_results == NULL) {
- wpa_printf(MSG_DEBUG, "iPhone: No scan results - cannot "
- "associate");
- return -1;
- }
-
- num = CFArrayGetCount(drv->scan_results);
-
- for (i = 0; i < num; i++) {
- CFDictionaryRef dict =
- CFArrayGetValueAtIndex(drv->scan_results, i);
- CFDataRef data;
-
- data = cfdict_get_key_str(dict, "SSID");
- if (data == NULL)
- continue;
-
- ssid_len = CFDataGetLength(data);
- if (ssid_len != params->ssid_len ||
- os_memcmp(CFDataGetBytePtr(data), params->ssid, ssid_len)
- != 0)
- continue;
-
- bss = dict;
- break;
- }
-
- if (bss == NULL) {
- wpa_printf(MSG_DEBUG, "iPhone: Could not find SSID from scan "
- "results - cannot associate");
- return -1;
- }
-
- wpa_printf(MSG_DEBUG, "iPhone: Trying to associate with a BSS found "
- "from scan results");
-
- err = Apple80211Associate(drv->wireless_ctx, bss, NULL);
- if (err) {
- wpa_printf(MSG_DEBUG, "iPhone: Apple80211Associate() failed: "
- "%d", err);
- return -1;
- }
-
- /*
- * Driver is actually already associated; report association from an
- * eloop callback.
- */
- eloop_cancel_timeout(wpa_driver_iphone_assoc_timeout, drv, drv->ctx);
- eloop_register_timeout(0, 0, wpa_driver_iphone_assoc_timeout, drv,
- drv->ctx);
-
- return 0;
-}
-
-
-static int wpa_driver_iphone_set_key(void *priv, wpa_alg alg, const u8 *addr,
- int key_idx, int set_tx, const u8 *seq,
- size_t seq_len, const u8 *key,
- size_t key_len)
-{
- /*
- * TODO: Need to either support configuring PMK for 4-way handshake or
- * PTK for TKIP/CCMP.
- */
- return -1;
-}
-
-
-static int wpa_driver_iphone_get_capa(void *priv, struct wpa_driver_capa *capa)
-{
- os_memset(capa, 0, sizeof(*capa));
-
- capa->key_mgmt = WPA_DRIVER_CAPA_KEY_MGMT_WPA |
- WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
- WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
- WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK;
- capa->enc = WPA_DRIVER_CAPA_ENC_WEP40 | WPA_DRIVER_CAPA_ENC_WEP104 |
- WPA_DRIVER_CAPA_ENC_TKIP | WPA_DRIVER_CAPA_ENC_CCMP;
- capa->auth = WPA_DRIVER_AUTH_OPEN | WPA_DRIVER_AUTH_SHARED |
- WPA_DRIVER_AUTH_LEAP;
- capa->flags = WPA_DRIVER_FLAGS_4WAY_HANDSHAKE;
-
- return 0;
-}
-
-
-static void * wpa_driver_iphone_init(void *ctx, const char *ifname)
-{
- struct wpa_driver_iphone_data *drv;
- int err;
- char power;
- CFStringRef name;
- CFDictionaryRef dict;
-
- drv = os_zalloc(sizeof(*drv));
- if (drv == NULL)
- return NULL;
- drv->ctx = ctx;
- err = Apple80211Open(&drv->wireless_ctx);
- if (err) {
- wpa_printf(MSG_ERROR, "iPhone: Apple80211Open failed: %d",
- err);
- os_free(drv);
- return NULL;
- }
-
- name = CFStringCreateWithCString(kCFAllocatorDefault, ifname,
- kCFStringEncodingISOLatin1);
- if (name == NULL) {
- wpa_printf(MSG_ERROR, "iPhone: ifname -> CFString failed");
- Apple80211Close(drv->wireless_ctx);
- os_free(drv);
- return NULL;
- }
-
- err = Apple80211BindToInterface(drv->wireless_ctx, name);
- CFRelease(name);
-
- if (err) {
- wpa_printf(MSG_ERROR, "iPhone: Apple80211BindToInterface "
- "failed: %d", err);
- Apple80211Close(drv->wireless_ctx);
- os_free(drv);
- return NULL;
- }
-
- err = Apple80211GetPower(drv->wireless_ctx, &power);
- if (err)
- wpa_printf(MSG_DEBUG, "iPhone: Apple80211GetPower failed: %d",
- err);
-
- wpa_printf(MSG_DEBUG, "iPhone: Power=%d", power);
-
- if (!power) {
- drv->ctrl_power = 1;
- err = Apple80211SetPower(drv->wireless_ctx, 1);
- if (err) {
- wpa_printf(MSG_DEBUG, "iPhone: Apple80211SetPower "
- "failed: %d", err);
- Apple80211Close(drv->wireless_ctx);
- os_free(drv);
- return NULL;
- }
- }
-
- err = Apple80211GetInfoCopy(drv->wireless_ctx, &dict);
- if (err == 0) {
- CFShow(dict);
- CFRelease(dict);
- } else {
- printf("Apple80211GetInfoCopy: %d\n", err);
- }
-
- return drv;
-}
-
-
-static void wpa_driver_iphone_deinit(void *priv)
-{
- struct wpa_driver_iphone_data *drv = priv;
- int err;
-
- eloop_cancel_timeout(wpa_driver_iphone_scan_timeout, drv, drv->ctx);
- eloop_cancel_timeout(wpa_driver_iphone_assoc_timeout, drv, drv->ctx);
-
- if (drv->ctrl_power) {
- wpa_printf(MSG_DEBUG, "iPhone: Power down the interface");
- err = Apple80211SetPower(drv->wireless_ctx, 0);
- if (err) {
- wpa_printf(MSG_DEBUG, "iPhone: Apple80211SetPower(0) "
- "failed: %d", err);
- }
- }
-
- err = Apple80211Close(drv->wireless_ctx);
- if (err) {
- wpa_printf(MSG_DEBUG, "iPhone: Apple80211Close failed: %d",
- err);
- }
-
- if (drv->scan_results)
- CFRelease(drv->scan_results);
-
- os_free(drv);
-}
-
-
-const struct wpa_driver_ops wpa_driver_iphone_ops = {
- .name = "iphone",
- .desc = "iPhone/iPod touch Apple80211 driver",
- .get_ssid = wpa_driver_iphone_get_ssid,
- .get_bssid = wpa_driver_iphone_get_bssid,
- .init = wpa_driver_iphone_init,
- .deinit = wpa_driver_iphone_deinit,
- .scan = wpa_driver_iphone_scan,
- .get_scan_results = wpa_driver_iphone_get_scan_results,
- .associate = wpa_driver_iphone_associate,
- .set_key = wpa_driver_iphone_set_key,
- .get_capa = wpa_driver_iphone_get_capa,
-};
projects / mech_eap.git / blobdiff