Roshan Pius | 57ffbcf | 2016-09-27 09:12:46 -0700 | [diff] [blame] | 1 | /* |
| 2 | * hidl interface for wpa_supplicant daemon |
| 3 | * Copyright (c) 2004-2016, Jouni Malinen <j@w1.fi> |
| 4 | * Copyright (c) 2004-2016, Roshan Pius <rpius@google.com> |
| 5 | * |
| 6 | * This software may be distributed under the terms of the BSD license. |
| 7 | * See README for more details. |
| 8 | */ |
| 9 | |
Roshan Pius | 7c0ebf2 | 2016-09-20 15:11:56 -0700 | [diff] [blame^] | 10 | #include <hwbinder/IPCThreadState.h> |
| 11 | #include <hwbinder/ProcessState.h> |
Roshan Pius | 57ffbcf | 2016-09-27 09:12:46 -0700 | [diff] [blame] | 12 | |
| 13 | #include "hidl_manager.h" |
| 14 | |
| 15 | extern "C" { |
| 16 | #include "hidl.h" |
| 17 | #include "hidl_i.h" |
| 18 | #include "utils/common.h" |
| 19 | #include "utils/eloop.h" |
| 20 | #include "utils/includes.h" |
| 21 | } |
| 22 | |
Roshan Pius | 7c0ebf2 | 2016-09-20 15:11:56 -0700 | [diff] [blame^] | 23 | using android::hardware::ProcessState; |
| 24 | using android::hardware::IPCThreadState; |
| 25 | using android::hardware::wifi::supplicant::V1_0::implementation::HidlManager; |
| 26 | |
Roshan Pius | 57ffbcf | 2016-09-27 09:12:46 -0700 | [diff] [blame] | 27 | void wpas_hidl_sock_handler( |
| 28 | int /* sock */, void * /* eloop_ctx */, void *sock_ctx) |
| 29 | { |
| 30 | struct wpas_hidl_priv *priv = (wpas_hidl_priv *)sock_ctx; |
Roshan Pius | 7c0ebf2 | 2016-09-20 15:11:56 -0700 | [diff] [blame^] | 31 | wpa_printf(MSG_DEBUG, "Processing hidl events on FD %d", priv->hidl_fd); |
| 32 | IPCThreadState::self()->handlePolledCommands(); |
Roshan Pius | 57ffbcf | 2016-09-27 09:12:46 -0700 | [diff] [blame] | 33 | } |
| 34 | |
| 35 | struct wpas_hidl_priv *wpas_hidl_init(struct wpa_global *global) |
| 36 | { |
| 37 | struct wpas_hidl_priv *priv; |
Roshan Pius | 7c0ebf2 | 2016-09-20 15:11:56 -0700 | [diff] [blame^] | 38 | HidlManager *hidl_manager; |
Roshan Pius | 57ffbcf | 2016-09-27 09:12:46 -0700 | [diff] [blame] | 39 | |
| 40 | priv = (wpas_hidl_priv *)os_zalloc(sizeof(*priv)); |
| 41 | if (!priv) |
| 42 | return NULL; |
| 43 | priv->global = global; |
| 44 | |
| 45 | wpa_printf(MSG_DEBUG, "Initing hidl control"); |
| 46 | |
Roshan Pius | 7c0ebf2 | 2016-09-20 15:11:56 -0700 | [diff] [blame^] | 47 | ProcessState::self()->setThreadPoolMaxThreadCount(0); |
| 48 | IPCThreadState::self()->disableBackgroundScheduling(true); |
| 49 | IPCThreadState::self()->setupPolling(&priv->hidl_fd); |
Roshan Pius | 57ffbcf | 2016-09-27 09:12:46 -0700 | [diff] [blame] | 50 | if (priv->hidl_fd < 0) |
| 51 | goto err; |
| 52 | |
Roshan Pius | 7c0ebf2 | 2016-09-20 15:11:56 -0700 | [diff] [blame^] | 53 | wpa_printf(MSG_INFO, "Processing hidl events on FD %d", priv->hidl_fd); |
| 54 | // Look for read events from the hidl socket in the eloop. |
Roshan Pius | 57ffbcf | 2016-09-27 09:12:46 -0700 | [diff] [blame] | 55 | if (eloop_register_read_sock( |
| 56 | priv->hidl_fd, wpas_hidl_sock_handler, global, priv) < 0) |
| 57 | goto err; |
| 58 | |
Roshan Pius | 7c0ebf2 | 2016-09-20 15:11:56 -0700 | [diff] [blame^] | 59 | hidl_manager = HidlManager::getInstance(); |
Roshan Pius | 57ffbcf | 2016-09-27 09:12:46 -0700 | [diff] [blame] | 60 | if (!hidl_manager) |
| 61 | goto err; |
| 62 | hidl_manager->registerHidlService(global); |
Roshan Pius | 7c0ebf2 | 2016-09-20 15:11:56 -0700 | [diff] [blame^] | 63 | // We may not need to store this hidl manager reference in the |
| 64 | // global data strucure because we've made it a singleton class. |
Roshan Pius | 57ffbcf | 2016-09-27 09:12:46 -0700 | [diff] [blame] | 65 | priv->hidl_manager = (void *)hidl_manager; |
| 66 | |
| 67 | return priv; |
| 68 | err: |
| 69 | wpas_hidl_deinit(priv); |
| 70 | return NULL; |
| 71 | } |
| 72 | |
| 73 | void wpas_hidl_deinit(struct wpas_hidl_priv *priv) |
| 74 | { |
| 75 | if (!priv) |
| 76 | return; |
| 77 | |
| 78 | wpa_printf(MSG_DEBUG, "Deiniting hidl control"); |
| 79 | |
Roshan Pius | 7c0ebf2 | 2016-09-20 15:11:56 -0700 | [diff] [blame^] | 80 | HidlManager::destroyInstance(); |
Roshan Pius | 57ffbcf | 2016-09-27 09:12:46 -0700 | [diff] [blame] | 81 | eloop_unregister_read_sock(priv->hidl_fd); |
Roshan Pius | 7c0ebf2 | 2016-09-20 15:11:56 -0700 | [diff] [blame^] | 82 | IPCThreadState::shutdown(); |
Roshan Pius | 57ffbcf | 2016-09-27 09:12:46 -0700 | [diff] [blame] | 83 | os_free(priv); |
| 84 | } |
| 85 | |
| 86 | int wpas_hidl_register_interface(struct wpa_supplicant *wpa_s) |
| 87 | { |
| 88 | if (!wpa_s || !wpa_s->global->hidl) |
| 89 | return 1; |
| 90 | |
| 91 | wpa_printf( |
| 92 | MSG_DEBUG, "Registering interface to hidl control: %s", |
| 93 | wpa_s->ifname); |
| 94 | |
Roshan Pius | 7c0ebf2 | 2016-09-20 15:11:56 -0700 | [diff] [blame^] | 95 | HidlManager *hidl_manager = HidlManager::getInstance(); |
Roshan Pius | 57ffbcf | 2016-09-27 09:12:46 -0700 | [diff] [blame] | 96 | if (!hidl_manager) |
| 97 | return 1; |
| 98 | |
| 99 | return hidl_manager->registerInterface(wpa_s); |
| 100 | } |
| 101 | |
| 102 | int wpas_hidl_unregister_interface(struct wpa_supplicant *wpa_s) |
| 103 | { |
| 104 | if (!wpa_s || !wpa_s->global->hidl) |
| 105 | return 1; |
| 106 | |
| 107 | wpa_printf( |
| 108 | MSG_DEBUG, "Deregistering interface from hidl control: %s", |
| 109 | wpa_s->ifname); |
| 110 | |
Roshan Pius | 7c0ebf2 | 2016-09-20 15:11:56 -0700 | [diff] [blame^] | 111 | HidlManager *hidl_manager = HidlManager::getInstance(); |
Roshan Pius | 57ffbcf | 2016-09-27 09:12:46 -0700 | [diff] [blame] | 112 | if (!hidl_manager) |
| 113 | return 1; |
| 114 | |
| 115 | return hidl_manager->unregisterInterface(wpa_s); |
| 116 | } |
| 117 | |
| 118 | int wpas_hidl_register_network( |
| 119 | struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid) |
| 120 | { |
| 121 | if (!wpa_s || !wpa_s->global->hidl || !ssid) |
| 122 | return 1; |
| 123 | |
| 124 | wpa_printf( |
| 125 | MSG_DEBUG, "Registering network to hidl control: %d", ssid->id); |
| 126 | |
Roshan Pius | 7c0ebf2 | 2016-09-20 15:11:56 -0700 | [diff] [blame^] | 127 | HidlManager *hidl_manager = HidlManager::getInstance(); |
Roshan Pius | 57ffbcf | 2016-09-27 09:12:46 -0700 | [diff] [blame] | 128 | if (!hidl_manager) |
| 129 | return 1; |
| 130 | |
| 131 | return hidl_manager->registerNetwork(wpa_s, ssid); |
| 132 | } |
| 133 | |
| 134 | int wpas_hidl_unregister_network( |
| 135 | struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid) |
| 136 | { |
| 137 | if (!wpa_s || !wpa_s->global->hidl || !ssid) |
| 138 | return 1; |
| 139 | |
| 140 | wpa_printf( |
Roshan Pius | 7c0ebf2 | 2016-09-20 15:11:56 -0700 | [diff] [blame^] | 141 | MSG_DEBUG, "Deregistering network from hidl control: %d", ssid->id); |
Roshan Pius | 57ffbcf | 2016-09-27 09:12:46 -0700 | [diff] [blame] | 142 | |
Roshan Pius | 7c0ebf2 | 2016-09-20 15:11:56 -0700 | [diff] [blame^] | 143 | HidlManager *hidl_manager = HidlManager::getInstance(); |
Roshan Pius | 57ffbcf | 2016-09-27 09:12:46 -0700 | [diff] [blame] | 144 | if (!hidl_manager) |
| 145 | return 1; |
| 146 | |
| 147 | return hidl_manager->unregisterNetwork(wpa_s, ssid); |
| 148 | } |
| 149 | |
| 150 | int wpas_hidl_notify_state_changed(struct wpa_supplicant *wpa_s) |
| 151 | { |
| 152 | if (!wpa_s || !wpa_s->global->hidl) |
| 153 | return 1; |
| 154 | |
| 155 | wpa_printf( |
| 156 | MSG_DEBUG, "Notifying state change event to hidl control: %d", |
| 157 | wpa_s->wpa_state); |
| 158 | |
Roshan Pius | 7c0ebf2 | 2016-09-20 15:11:56 -0700 | [diff] [blame^] | 159 | HidlManager *hidl_manager = HidlManager::getInstance(); |
Roshan Pius | 57ffbcf | 2016-09-27 09:12:46 -0700 | [diff] [blame] | 160 | if (!hidl_manager) |
| 161 | return 1; |
| 162 | |
| 163 | return hidl_manager->notifyStateChange(wpa_s); |
| 164 | } |
| 165 | |
| 166 | int wpas_hidl_notify_network_request( |
| 167 | struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid, |
| 168 | enum wpa_ctrl_req_type rtype, const char *default_txt) |
| 169 | { |
| 170 | if (!wpa_s || !wpa_s->global->hidl || !ssid) |
| 171 | return 1; |
| 172 | |
| 173 | wpa_printf( |
| 174 | MSG_DEBUG, "Notifying network request to hidl control: %d", |
| 175 | ssid->id); |
| 176 | |
Roshan Pius | 7c0ebf2 | 2016-09-20 15:11:56 -0700 | [diff] [blame^] | 177 | HidlManager *hidl_manager = HidlManager::getInstance(); |
Roshan Pius | 57ffbcf | 2016-09-27 09:12:46 -0700 | [diff] [blame] | 178 | if (!hidl_manager) |
| 179 | return 1; |
| 180 | |
| 181 | return hidl_manager->notifyNetworkRequest( |
| 182 | wpa_s, ssid, rtype, default_txt); |
| 183 | } |