include/mobileap_softap.h

   1 /*
   2  * mobileap-agent
   3  * Copyright (c) 2012 Samsung Electronics Co., Ltd.
   4  *
   5  * Licensed under the Apache License, Version 2.0 (the License);
   6  * you may not use this file except in compliance with the License.
   7  * You may obtain a copy of the License at
   8  *
   9  *     http://www.apache.org/licenses/LICENSE-2.0
  10  *
  11  * Unless required by applicable law or agreed to in writing, software
  12  * distributed under the License is distributed on an "AS IS" BASIS,
  13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14  * See the License for the specific language governing permissions and
  15  * limitations under the License.
  16  */
  17
  18 #ifndef __MOBILEAP_SOFTAP_H__
  19 #define __MOBILEAP_SOFTAP_H__
  20
  21 #include <glib.h>
  22 #include <dbus/dbus.h>
  23 #include <dbus/dbus-glib.h>
  24 #include <dbus/dbus-glib-lowlevel.h>
  25 #include <dlog.h>
  26 #include <vconf.h>
  27 #include <netinet/in.h>
  28
  29 #include "mobileap.h"
  30
  31 #ifdef LOG_TAG
  32 #undef LOG_TAG
  33 #endif
  34 #define LOG_TAG         "MOBILEAP_AGENT"
  35
  36 #define DBG(fmt, args...)       LOGD(fmt, ##args)
  37 #define ERR(fmt, args...)       LOGE(fmt, ##args)
  38 #define SDBG(fmt, args...)      SECURE_LOGD(fmt, ##args)
  39 #define SERR(fmt, args...)      SECURE_LOGE(fmt, ##args)
  40
  41 #define DRIVER_DELAY            250000  /* micro seconds */
  42
  43 #define IF_BUF_LEN              32
  44 #define NET_BUF_LEN             12
  45 #define INTERFACE_NAME_LEN      12
  46 #define SECURITY_TYPE_LEN       32
  47
  48 /* Network Interface */
  49 #define IP_SUBNET_MASK          "255.255.255.0"
  50
  51 #define WIFI_IF                 "wlan0"
  52 #define IP_ADDRESS_WIFI         0xC0A82B02      /* 192.168.43.2 */
  53
  54 #define SOFTAP_IF               "wl0.1"
  55 #define IP_ADDRESS_SOFTAP       0xC0A82B01      /* 192.168.43.1 */
  56
  57 #define USB_IF                  "usb0"
  58 #define IP_ADDRESS_USB          0xC0A88103      /* 192.168.129.3 */
  59
  60 #define BT_IF_PREFIX            "bnep"
  61 #define BT_IF_ALL               BT_IF_PREFIX"+"
  62 #define IP_ADDRESS_BT_1         0xC0A88201      /* 192.168.130.1 */
  63 #define IP_ADDRESS_BT_2         0xC0A88301      /* 192.168.131.1 */
  64 #define IP_ADDRESS_BT_3         0xC0A88401      /* 192.168.132.1 */
  65 #define IP_ADDRESS_BT_4         0xC0A88501      /* 192.168.133.1 */
  66 #define IP_ADDRESS_BT_5         0xC0A88601      /* 192.168.134.1 */
  67 #define IP_ADDRESS_BT_6         0xC0A88701      /* 192.168.135.1 */
  68 #define IP_ADDRESS_BT_7         0xC0A88801      /* 192.168.136.1 */
  69
  70 #define RET_FAILURE             (-1)
  71 #define RET_SUCCESS             (0)
  72 #define MAX_BUF_SIZE            (256u)
  73
  74 #define DNSMASQ_CONF_LEN        1024
  75 #define DNSMASQ_CONF    \
  76                         "dhcp-range=192.168.43.3,192.168.43.254,255.255.255.0\n" \
  77                         "dhcp-range=192.168.130.2,192.168.130.150,255.255.255.0\n" \
  78                         "dhcp-range=192.168.131.2,192.168.131.150,255.255.255.0\n" \
  79                         "dhcp-range=192.168.132.2,192.168.132.150,255.255.255.0\n" \
  80                         "dhcp-range=192.168.133.2,192.168.133.150,255.255.255.0\n" \
  81                         "dhcp-range=192.168.134.2,192.168.134.150,255.255.255.0\n" \
  82                         "dhcp-range=192.168.135.2,192.168.135.150,255.255.255.0\n" \
  83                         "dhcp-range=192.168.136.2,192.168.136.150,255.255.255.0\n" \
  84                         "dhcp-range=192.168.137.2,192.168.137.150,255.255.255.0\n" \
  85                         "dhcp-range=set:blue,192.168.129.4,192.168.129.150,255.255.255.0\n"\
  86                         "enable-dbus\n" \
  87                         "group=app\n" \
  88                         "user=app\n" \
  89                         "dhcp-option=tag:blue,option:router,192.168.129.3\n"
  90 #define DNSMASQ_CONF_FILE       "/tmp/dnsmasq.conf"
  91
  92 /* Start of hostapd configuration */
  93 #define MH_CTRL_INTF            "/tmp/mh_wpa_ctrl"
  94 #define MH_MONITOR_INTF         "/tmp/mh_wpa_monitor"
  95
  96 #define HOSTAPD_BIN             "/usr/sbin/hostapd"
  97 #define HOSTAPD_ENTROPY_FILE    "/opt/var/lib/misc/hostapd.bin"
  98 #define HOSTAPD_CONF_FILE       "/opt/var/lib/misc/hostapd.conf"
  99 #define HOSTAPD_CTRL_INTF_DIR   "/opt/var/lib/misc/hostapd"
 100 #define HOSTAPD_CONF_LEN        1024
 101 #define HOSTAPD_CONF            "interface=%s\n" \
 102                                 "driver=nl80211\n" \
 103                                 "ctrl_interface=%s\n" \
 104                                 "ssid=%s\n" \
 105                                 "channel=%d\n" \
 106                                 "ignore_broadcast_ssid=%d\n" \
 107                                 "hw_mode=g\n" \
 108                                 "max_num_sta=%d\n" \
 109                                 "ieee80211n=1\n"
 110 #define HOSTAPD_DEBUG_FILE      "/var/log/hostapd.log"
 111 #define HOSTAPD_REQ_MAX_LEN     128
 112 #define HOSTAPD_RETRY_MAX       5
 113 #define HOSTAPD_RETRY_DELAY     500000  /* us */
 114 #define HOSTAPD_STA_DISCONN     "AP-STA-DISCONNECTED "  /* from wpa_ctrl.h */
 115 #define HOSTAPD_STA_CONN        "AP-STA-CONNECTED "
 116 #define HOSTAPD_STA_DISCONN_LEN 20
 117 #define HOSTAPD_STA_CONN_LEN    17
 118 #define HOSTAPD_MONITOR_ATTACH  "ATTACH"
 119 #define HOSTAPD_MONITOR_DETACH  "DETACH"
 120 #define HOSTAPD_DHCP_MAX_INTERVAL 30000 /* 30 seconds */
 121
 122 /* Samsung VSIE value in beacon / probe response.
 123  * Wi-Fi station can identify AP whether it is tethering or AP only using this value.
 124  */
 125 #define HOSTAPD_VENDOR_ELEMENTS_TETH    "DD050016328000"        /* Samsung tethering device */
 126 #define HOSTAPD_VENDOR_ELEMENTS_WIFI_AP "DD050016321000"        /* Specific application mode AP (e.g. GroupPlay) */
 127 /* End of hostapd configuration */
 128
 129 #define IP_FORWARD      "/proc/sys/net/ipv4/ip_forward"
 130 #define IP_CMD          "/usr/sbin/ip"
 131 #define GREP            "/bin/grep"
 132 #define AWK             "/usr/bin/awk"
 133 #define DATA_USAGE_FILE "/tmp/tethering_data_usage.txt"
 134
 135 #define TETHERING_ROUTING_TABLE 252
 136 #define SRC_ROUTING_RULE        "iif %s lookup %d"
 137 #define DEFAULT_ROUTER          "default via %s dev %s scope global table %d"
 138 #define INTERFACE_ROUTING       "%s/24 table %d dev %s"
 139 #define DNS_ORDER               1
 140 #define TCP_DNS_FORWARD_RULE    "-i %s -p tcp --dport 53 -j DNAT --to %s:53"
 141 #define UDP_DNS_FORWARD_RULE    "-i %s -p udp --dport 53 -j DNAT --to %s:53"
 142
 143 #define MOBILE_AP_STATE_NONE    0
 144 #define MOBILE_AP_STATE_WIFI    1
 145 #define MOBILE_AP_STATE_USB     2
 146 #define MOBILE_AP_STATE_BT      4
 147 #define MOBILE_AP_STATE_WIFI_AP 8
 148 #define MOBILE_AP_STATE_ALL     15
 149
 150 #define DNSMASQ_DBUS_INTERFACE "uk.org.thekelleys.dnsmasq"
 151
 152 #define PROC_NET_DEV                    "/proc/net/dev"
 153 #define TETHERING_CONN_TIMEOUT          (1200)  /* 20 Mins */
 154 #define WIFI_AP_CONN_TIMEOUT            (300)   /* 5 Mins */
 155 #define CHECK_NET_STATE_RETRY_COUNT     5
 156 #define PSK_ITERATION_COUNT             4096
 157
 158 typedef struct {
 159         int hide_mode;
 160
 161         char ssid[MOBILE_AP_WIFI_SSID_MAX_LEN + 1];
 162         /* in AP case, hex key will be passed from library, so one extra byte is needed */
 163         char key[MOBILE_AP_WIFI_KEY_MAX_LEN + 1];
 164         char security_type[SECURITY_TYPE_LEN];
 165 } softap_settings_t;
 166
 167 typedef struct {
 168         /* The parent class object state. */
 169         GObject parent;
 170
 171         int init_count;
 172
 173         softap_settings_t softap_settings;
 174 } TetheringObject;
 175
 176 typedef struct {
 177         /* The parent class state. */
 178         GObjectClass parent;
 179
 180         /* class member */
 181         guint signals[E_SIGNAL_MAX];
 182 } TetheringObjectClass;
 183
 184 typedef struct {
 185         unsigned int number;    /* Number of connected device */
 186                                 /* BSSID list of connected device */
 187         char bssid[MOBILE_AP_MAX_WIFI_STA][MOBILE_AP_STR_INFO_LEN];
 188 } softap_device_info_t;
 189
 190 typedef struct {
 191         const char *key;
 192         vconf_callback_fn cb;
 193         int *value;
 194 } vconf_reg_t;
 195
 196 typedef enum {
 197         MOBILE_AP_DRV_INTERFACE_NONE,
 198         MOBILE_AP_WEXT,
 199         MOBILE_AP_NL80211,
 200 } mobile_ap_drv_interface_e;
 201
 202 typedef struct {
 203         guint tid;
 204         char *mac_addr;
 205 } sta_timer_t;
 206
 207 /* ssid : 32  key : 64 */
 208 int _mh_core_enable_softap(const mobile_ap_type_e type, const char *ssid,
 209                 const char *security, const char *key, int hide_mode);
 210 int _mh_core_disable_softap(void);
 211 int _mh_core_get_device_info(softap_device_info_t *di);
 212 int _mh_core_execute_dhcp_server(void);
 213 int _mh_core_terminate_dhcp_server(void);
 214 int _mh_core_enable_masquerade(const char *ext_if);
 215 int _mh_core_disable_masquerade(const char *ext_if);
 216 void _mh_core_add_data_to_array(GPtrArray *array, guint type, gchar *dev_name);
 217 int _mh_core_set_ip_address(const char *if_name, const in_addr_t ip);
 218 void _register_wifi_station_handler(void);
 219 void _unregister_wifi_station_handler(void);
 220
 221
 222 void _block_device_sleep(void);
 223 void _unblock_device_sleep(void);
 224 int _init_tethering(TetheringObject *obj);
 225 gboolean _deinit_tethering(TetheringObject *obj);
 226 gboolean _mobileap_clear_state(int state);
 227 gboolean _terminate_mobileap_agent(gpointer user_data);
 228
 229
 230 gboolean _mobileap_is_disabled(void);
 231 gboolean _mobileap_is_enabled(int state);
 232 gboolean _mobileap_is_enabled_by_type(mobile_ap_type_e type);
 233 gboolean _mobileap_set_state(int state);
 234 void _flush_dhcp_ack_timer(void);
 235 void _destroy_dhcp_ack_timer(char *mac_addr);
 236
 237 #endif