wifi.c revision a776ffd243bbd02948ebefd43f4ac2690ebb11e6
1cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project/* 2cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project * Copyright 2008, The Android Open Source Project 3cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project * 4cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 5cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project * you may not use this file except in compliance with the License. 6cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project * You may obtain a copy of the License at 7cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project * 8cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 9cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project * 10cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 11cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 12cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project * See the License for the specific language governing permissions and 14cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project * limitations under the License. 15cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project */ 16cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project 17cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project#include <stdlib.h> 18cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project#include <fcntl.h> 19cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project#include <errno.h> 20cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project#include <string.h> 21eea19f1d855b9434313fbb9447a23caf8123aa58Dmitry Shmidt#include <dirent.h> 2245bf8a6f0bbf148ca5a1a626ab1c5c38a0855e13Dmitry Shmidt#include <sys/socket.h> 23cf449e140874e4f57f120a88411c7b642172ecf2Kenny Root#include <unistd.h> 2445bf8a6f0bbf148ca5a1a626ab1c5c38a0855e13Dmitry Shmidt#include <poll.h> 25cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project 26cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project#include "hardware_legacy/wifi.h" 27cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project#include "libwpa_client/wpa_ctrl.h" 28cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project 29cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project#define LOG_TAG "WifiHW" 30cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project#include "cutils/log.h" 31cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project#include "cutils/memory.h" 32cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project#include "cutils/misc.h" 33cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project#include "cutils/properties.h" 34cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project#include "private/android_filesystem_config.h" 35cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project#ifdef HAVE_LIBC_SYSTEM_PROPERTIES 36cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project#define _REALLY_INCLUDE_SYS__SYSTEM_PROPERTIES_H_ 37cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project#include <sys/_system_properties.h> 38cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project#endif 39cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project 40da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff/* PRIMARY refers to the connection on the primary interface 41da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff * SECONDARY refers to an optional connection on a p2p interface 42da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff * 43da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff * For concurrency, we only support one active p2p connection and 44da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff * one active STA connection at a time 45da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff */ 46da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff#define PRIMARY 0 47da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff#define SECONDARY 1 48da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff#define MAX_CONNS 2 49da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff 50da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriffstatic struct wpa_ctrl *ctrl_conn[MAX_CONNS]; 51da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriffstatic struct wpa_ctrl *monitor_conn[MAX_CONNS]; 52da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff 5345bf8a6f0bbf148ca5a1a626ab1c5c38a0855e13Dmitry Shmidt/* socket pair used to exit from a blocking read */ 54da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriffstatic int exit_sockets[MAX_CONNS][2]; 55cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project 56445591dded5753cf72dcf329a56af732776de97dJean-Baptiste Queruextern int do_dhcp(); 57445591dded5753cf72dcf329a56af732776de97dJean-Baptiste Queruextern int ifc_init(); 58445591dded5753cf72dcf329a56af732776de97dJean-Baptiste Queruextern void ifc_close(); 59445591dded5753cf72dcf329a56af732776de97dJean-Baptiste Queruextern char *dhcp_lasterror(); 60445591dded5753cf72dcf329a56af732776de97dJean-Baptiste Queruextern void get_dhcp_info(); 61cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Projectextern int init_module(void *, unsigned long, const char *); 62cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Projectextern int delete_module(const char *, unsigned int); 632c52037dd46f066be122b0520b265d55eb4e0470Dmitry Shmidtvoid wifi_close_sockets(int index); 64cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project 65da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriffstatic char primary_iface[PROPERTY_VALUE_MAX]; 66cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project// TODO: use new ANDROID_SOCKET mechanism, once support for multiple 67cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project// sockets is in 68cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project 69243af8b84968ec4f5afb628c43a2c541c4feee7bDmitry Shmidt#ifndef WIFI_DRIVER_MODULE_ARG 70243af8b84968ec4f5afb628c43a2c541c4feee7bDmitry Shmidt#define WIFI_DRIVER_MODULE_ARG "" 71243af8b84968ec4f5afb628c43a2c541c4feee7bDmitry Shmidt#endif 72243af8b84968ec4f5afb628c43a2c541c4feee7bDmitry Shmidt#ifndef WIFI_FIRMWARE_LOADER 73243af8b84968ec4f5afb628c43a2c541c4feee7bDmitry Shmidt#define WIFI_FIRMWARE_LOADER "" 74243af8b84968ec4f5afb628c43a2c541c4feee7bDmitry Shmidt#endif 75243af8b84968ec4f5afb628c43a2c541c4feee7bDmitry Shmidt#define WIFI_TEST_INTERFACE "sta" 76243af8b84968ec4f5afb628c43a2c541c4feee7bDmitry Shmidt 774b7ffa08be8d58932841c52ce253ae6ca886a4f2Dmitry Shmidt#ifndef WIFI_DRIVER_FW_PATH_STA 784b7ffa08be8d58932841c52ce253ae6ca886a4f2Dmitry Shmidt#define WIFI_DRIVER_FW_PATH_STA NULL 794b7ffa08be8d58932841c52ce253ae6ca886a4f2Dmitry Shmidt#endif 804b7ffa08be8d58932841c52ce253ae6ca886a4f2Dmitry Shmidt#ifndef WIFI_DRIVER_FW_PATH_AP 814b7ffa08be8d58932841c52ce253ae6ca886a4f2Dmitry Shmidt#define WIFI_DRIVER_FW_PATH_AP NULL 824b7ffa08be8d58932841c52ce253ae6ca886a4f2Dmitry Shmidt#endif 834b7ffa08be8d58932841c52ce253ae6ca886a4f2Dmitry Shmidt#ifndef WIFI_DRIVER_FW_PATH_P2P 844b7ffa08be8d58932841c52ce253ae6ca886a4f2Dmitry Shmidt#define WIFI_DRIVER_FW_PATH_P2P NULL 854b7ffa08be8d58932841c52ce253ae6ca886a4f2Dmitry Shmidt#endif 864b7ffa08be8d58932841c52ce253ae6ca886a4f2Dmitry Shmidt 8729a4d4d74b512e450a7d2ae97d4222c24a13b87eDmitry Shmidt#ifndef WIFI_DRIVER_FW_PATH_PARAM 8829a4d4d74b512e450a7d2ae97d4222c24a13b87eDmitry Shmidt#define WIFI_DRIVER_FW_PATH_PARAM "/sys/module/wlan/parameters/fwpath" 8929a4d4d74b512e450a7d2ae97d4222c24a13b87eDmitry Shmidt#endif 9029a4d4d74b512e450a7d2ae97d4222c24a13b87eDmitry Shmidt 91ed8487244b1c9f72fb5d22c7a18918ac34063ceeDmitry Shmidt#define WIFI_DRIVER_LOADER_DELAY 1000000 92ed8487244b1c9f72fb5d22c7a18918ac34063ceeDmitry Shmidt 93cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Projectstatic const char IFACE_DIR[] = "/data/system/wpa_supplicant"; 94d301cb7a5e76f82d265f8a7d408bec3159614f0bDmitry Shmidt#ifdef WIFI_DRIVER_MODULE_PATH 95243af8b84968ec4f5afb628c43a2c541c4feee7bDmitry Shmidtstatic const char DRIVER_MODULE_NAME[] = WIFI_DRIVER_MODULE_NAME; 96243af8b84968ec4f5afb628c43a2c541c4feee7bDmitry Shmidtstatic const char DRIVER_MODULE_TAG[] = WIFI_DRIVER_MODULE_NAME " "; 97243af8b84968ec4f5afb628c43a2c541c4feee7bDmitry Shmidtstatic const char DRIVER_MODULE_PATH[] = WIFI_DRIVER_MODULE_PATH; 98243af8b84968ec4f5afb628c43a2c541c4feee7bDmitry Shmidtstatic const char DRIVER_MODULE_ARG[] = WIFI_DRIVER_MODULE_ARG; 99d301cb7a5e76f82d265f8a7d408bec3159614f0bDmitry Shmidt#endif 100243af8b84968ec4f5afb628c43a2c541c4feee7bDmitry Shmidtstatic const char FIRMWARE_LOADER[] = WIFI_FIRMWARE_LOADER; 101cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Projectstatic const char DRIVER_PROP_NAME[] = "wlan.driver.status"; 102cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Projectstatic const char SUPPLICANT_NAME[] = "wpa_supplicant"; 103cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Projectstatic const char SUPP_PROP_NAME[] = "init.svc.wpa_supplicant"; 104096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriffstatic const char P2P_SUPPLICANT_NAME[] = "p2p_supplicant"; 105096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriffstatic const char P2P_PROP_NAME[] = "init.svc.p2p_supplicant"; 106cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Projectstatic const char SUPP_CONFIG_TEMPLATE[]= "/system/etc/wifi/wpa_supplicant.conf"; 107cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Projectstatic const char SUPP_CONFIG_FILE[] = "/data/misc/wifi/wpa_supplicant.conf"; 10867ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriffstatic const char P2P_CONFIG_FILE[] = "/data/misc/wifi/p2p_supplicant.conf"; 109096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriffstatic const char CONTROL_IFACE_PATH[] = "/data/misc/wifi/sockets"; 110cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Projectstatic const char MODULE_FILE[] = "/proc/modules"; 111cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project 1123ab3e6696757541c098a251981c074fc980f4dc7Dmitry Shmidtstatic const char SUPP_ENTROPY_FILE[] = WIFI_ENTROPY_FILE; 11307a629e27cc35868e2b7601983c7044cf8df0709Dmitry Shmidtstatic unsigned char dummy_key[21] = { 0x02, 0x11, 0xbe, 0x33, 0x43, 0x35, 11407a629e27cc35868e2b7601983c7044cf8df0709Dmitry Shmidt 0x68, 0x47, 0x84, 0x99, 0xa9, 0x2b, 11507a629e27cc35868e2b7601983c7044cf8df0709Dmitry Shmidt 0x1c, 0xd3, 0xee, 0xff, 0xf1, 0xe2, 11607a629e27cc35868e2b7601983c7044cf8df0709Dmitry Shmidt 0xf3, 0xf4, 0xf5 }; 1173ab3e6696757541c098a251981c074fc980f4dc7Dmitry Shmidt 118096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriff/* Is either SUPPLICANT_NAME or P2P_SUPPLICANT_NAME */ 119096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriffstatic char supplicant_name[PROPERTY_VALUE_MAX]; 120096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriff/* Is either SUPP_PROP_NAME or P2P_PROP_NAME */ 121096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriffstatic char supplicant_prop_name[PROPERTY_KEY_MAX]; 122096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriff 123da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriffstatic int is_primary_interface(const char *ifname) 124da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff{ 125da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff //Treat NULL as primary interface to allow control 126da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff //on STA without an interface 127da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff if (ifname == NULL || !strncmp(ifname, primary_iface, strlen(primary_iface))) { 128da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff return 1; 129da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff } 130da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff return 0; 131da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff} 132da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff 133243af8b84968ec4f5afb628c43a2c541c4feee7bDmitry Shmidtstatic int insmod(const char *filename, const char *args) 134cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project{ 135cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project void *module; 136cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project unsigned int size; 137cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project int ret; 138cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project 139cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project module = load_file(filename, &size); 140cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project if (!module) 141cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project return -1; 142cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project 143243af8b84968ec4f5afb628c43a2c541c4feee7bDmitry Shmidt ret = init_module(module, size, args); 144cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project 145cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project free(module); 146cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project 147cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project return ret; 148cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project} 149cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project 150cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Projectstatic int rmmod(const char *modname) 151cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project{ 152cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project int ret = -1; 153cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project int maxtry = 10; 154cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project 155cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project while (maxtry-- > 0) { 156cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project ret = delete_module(modname, O_NONBLOCK | O_EXCL); 157cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project if (ret < 0 && errno == EAGAIN) 158cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project usleep(500000); 159cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project else 160cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project break; 161cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project } 162cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project 163cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project if (ret != 0) 164b381b932acfa441da5607f37ac4ef6573ed5be96Steve Block ALOGD("Unable to unload driver module \"%s\": %s\n", 165cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project modname, strerror(errno)); 166cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project return ret; 167cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project} 168cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project 169445591dded5753cf72dcf329a56af732776de97dJean-Baptiste Queruint do_dhcp_request(int *ipaddr, int *gateway, int *mask, 170445591dded5753cf72dcf329a56af732776de97dJean-Baptiste Queru int *dns1, int *dns2, int *server, int *lease) { 171445591dded5753cf72dcf329a56af732776de97dJean-Baptiste Queru /* For test driver, always report success */ 172da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff if (strcmp(primary_iface, WIFI_TEST_INTERFACE) == 0) 173445591dded5753cf72dcf329a56af732776de97dJean-Baptiste Queru return 0; 174445591dded5753cf72dcf329a56af732776de97dJean-Baptiste Queru 175445591dded5753cf72dcf329a56af732776de97dJean-Baptiste Queru if (ifc_init() < 0) 176445591dded5753cf72dcf329a56af732776de97dJean-Baptiste Queru return -1; 177445591dded5753cf72dcf329a56af732776de97dJean-Baptiste Queru 178da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff if (do_dhcp(primary_iface) < 0) { 179445591dded5753cf72dcf329a56af732776de97dJean-Baptiste Queru ifc_close(); 180445591dded5753cf72dcf329a56af732776de97dJean-Baptiste Queru return -1; 181445591dded5753cf72dcf329a56af732776de97dJean-Baptiste Queru } 182445591dded5753cf72dcf329a56af732776de97dJean-Baptiste Queru ifc_close(); 183445591dded5753cf72dcf329a56af732776de97dJean-Baptiste Queru get_dhcp_info(ipaddr, gateway, mask, dns1, dns2, server, lease); 184445591dded5753cf72dcf329a56af732776de97dJean-Baptiste Queru return 0; 185445591dded5753cf72dcf329a56af732776de97dJean-Baptiste Queru} 186445591dded5753cf72dcf329a56af732776de97dJean-Baptiste Queru 187445591dded5753cf72dcf329a56af732776de97dJean-Baptiste Queruconst char *get_dhcp_error_string() { 188445591dded5753cf72dcf329a56af732776de97dJean-Baptiste Queru return dhcp_lasterror(); 189445591dded5753cf72dcf329a56af732776de97dJean-Baptiste Queru} 190445591dded5753cf72dcf329a56af732776de97dJean-Baptiste Queru 1912bb990bfd2580f9be93a413e3a5325057977a828Irfan Sheriffint is_wifi_driver_loaded() { 192cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project char driver_status[PROPERTY_VALUE_MAX]; 193d301cb7a5e76f82d265f8a7d408bec3159614f0bDmitry Shmidt#ifdef WIFI_DRIVER_MODULE_PATH 194cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project FILE *proc; 195cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project char line[sizeof(DRIVER_MODULE_TAG)+10]; 196d301cb7a5e76f82d265f8a7d408bec3159614f0bDmitry Shmidt#endif 197cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project 198cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project if (!property_get(DRIVER_PROP_NAME, driver_status, NULL) 199cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project || strcmp(driver_status, "ok") != 0) { 200cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project return 0; /* driver not loaded */ 201cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project } 202d301cb7a5e76f82d265f8a7d408bec3159614f0bDmitry Shmidt#ifdef WIFI_DRIVER_MODULE_PATH 203cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project /* 204cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project * If the property says the driver is loaded, check to 205cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project * make sure that the property setting isn't just left 206cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project * over from a previous manual shutdown or a runtime 207cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project * crash. 208cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project */ 209cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project if ((proc = fopen(MODULE_FILE, "r")) == NULL) { 21064cca04dcbf4e21a51131224b9d0f0c596f876d4Steve Block ALOGW("Could not open %s: %s", MODULE_FILE, strerror(errno)); 211243af8b84968ec4f5afb628c43a2c541c4feee7bDmitry Shmidt property_set(DRIVER_PROP_NAME, "unloaded"); 212cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project return 0; 213cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project } 214cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project while ((fgets(line, sizeof(line), proc)) != NULL) { 215cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project if (strncmp(line, DRIVER_MODULE_TAG, strlen(DRIVER_MODULE_TAG)) == 0) { 216cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project fclose(proc); 217cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project return 1; 218cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project } 219cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project } 220cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project fclose(proc); 221cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project property_set(DRIVER_PROP_NAME, "unloaded"); 222cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project return 0; 223d301cb7a5e76f82d265f8a7d408bec3159614f0bDmitry Shmidt#else 224d301cb7a5e76f82d265f8a7d408bec3159614f0bDmitry Shmidt return 1; 225d301cb7a5e76f82d265f8a7d408bec3159614f0bDmitry Shmidt#endif 226cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project} 227cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project 228cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Projectint wifi_load_driver() 229cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project{ 230d301cb7a5e76f82d265f8a7d408bec3159614f0bDmitry Shmidt#ifdef WIFI_DRIVER_MODULE_PATH 231cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project char driver_status[PROPERTY_VALUE_MAX]; 232cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project int count = 100; /* wait at most 20 seconds for completion */ 233cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project 2342bb990bfd2580f9be93a413e3a5325057977a828Irfan Sheriff if (is_wifi_driver_loaded()) { 235cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project return 0; 236cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project } 237cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project 238243af8b84968ec4f5afb628c43a2c541c4feee7bDmitry Shmidt if (insmod(DRIVER_MODULE_PATH, DRIVER_MODULE_ARG) < 0) 239cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project return -1; 240243af8b84968ec4f5afb628c43a2c541c4feee7bDmitry Shmidt 241243af8b84968ec4f5afb628c43a2c541c4feee7bDmitry Shmidt if (strcmp(FIRMWARE_LOADER,"") == 0) { 2428fb5f74df7b25051e007a67eea22b984ef7dc76aDmitry Shmidt /* usleep(WIFI_DRIVER_LOADER_DELAY); */ 243243af8b84968ec4f5afb628c43a2c541c4feee7bDmitry Shmidt property_set(DRIVER_PROP_NAME, "ok"); 244243af8b84968ec4f5afb628c43a2c541c4feee7bDmitry Shmidt } 245243af8b84968ec4f5afb628c43a2c541c4feee7bDmitry Shmidt else { 246243af8b84968ec4f5afb628c43a2c541c4feee7bDmitry Shmidt property_set("ctl.start", FIRMWARE_LOADER); 247243af8b84968ec4f5afb628c43a2c541c4feee7bDmitry Shmidt } 248cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project sched_yield(); 249cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project while (count-- > 0) { 250cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project if (property_get(DRIVER_PROP_NAME, driver_status, NULL)) { 251cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project if (strcmp(driver_status, "ok") == 0) 252cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project return 0; 2537b43699180e593b19092eb2a091c4bca105aca77Dmitry Shmidt else if (strcmp(DRIVER_PROP_NAME, "failed") == 0) { 2547b43699180e593b19092eb2a091c4bca105aca77Dmitry Shmidt wifi_unload_driver(); 255cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project return -1; 2567b43699180e593b19092eb2a091c4bca105aca77Dmitry Shmidt } 257cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project } 258cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project usleep(200000); 259cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project } 260cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project property_set(DRIVER_PROP_NAME, "timeout"); 2617b43699180e593b19092eb2a091c4bca105aca77Dmitry Shmidt wifi_unload_driver(); 262cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project return -1; 263d301cb7a5e76f82d265f8a7d408bec3159614f0bDmitry Shmidt#else 264d301cb7a5e76f82d265f8a7d408bec3159614f0bDmitry Shmidt property_set(DRIVER_PROP_NAME, "ok"); 265d301cb7a5e76f82d265f8a7d408bec3159614f0bDmitry Shmidt return 0; 266d301cb7a5e76f82d265f8a7d408bec3159614f0bDmitry Shmidt#endif 267cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project} 268cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project 269cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Projectint wifi_unload_driver() 270cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project{ 2714c1a1fedd632791580c4b483c31abc4e583eae16Dmitry Shmidt usleep(200000); /* allow to finish interface down */ 272953c1140659ae935e4718d4fd48662db178814f6Dmitry Shmidt#ifdef WIFI_DRIVER_MODULE_PATH 273cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project if (rmmod(DRIVER_MODULE_NAME) == 0) { 274953c1140659ae935e4718d4fd48662db178814f6Dmitry Shmidt int count = 20; /* wait at most 10 seconds for completion */ 2750e9f488e672abf0d14580261998cfd9c7211c112Dmitry Shmidt while (count-- > 0) { 2760e9f488e672abf0d14580261998cfd9c7211c112Dmitry Shmidt if (!is_wifi_driver_loaded()) 2770e9f488e672abf0d14580261998cfd9c7211c112Dmitry Shmidt break; 2780e9f488e672abf0d14580261998cfd9c7211c112Dmitry Shmidt usleep(500000); 2790e9f488e672abf0d14580261998cfd9c7211c112Dmitry Shmidt } 280953c1140659ae935e4718d4fd48662db178814f6Dmitry Shmidt usleep(500000); /* allow card removal */ 2810e9f488e672abf0d14580261998cfd9c7211c112Dmitry Shmidt if (count) { 2820e9f488e672abf0d14580261998cfd9c7211c112Dmitry Shmidt return 0; 2830e9f488e672abf0d14580261998cfd9c7211c112Dmitry Shmidt } 2840e9f488e672abf0d14580261998cfd9c7211c112Dmitry Shmidt return -1; 285cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project } else 286cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project return -1; 287d301cb7a5e76f82d265f8a7d408bec3159614f0bDmitry Shmidt#else 288d301cb7a5e76f82d265f8a7d408bec3159614f0bDmitry Shmidt property_set(DRIVER_PROP_NAME, "unloaded"); 289d301cb7a5e76f82d265f8a7d408bec3159614f0bDmitry Shmidt return 0; 290d301cb7a5e76f82d265f8a7d408bec3159614f0bDmitry Shmidt#endif 291cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project} 292cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project 2933ab3e6696757541c098a251981c074fc980f4dc7Dmitry Shmidtint ensure_entropy_file_exists() 2943ab3e6696757541c098a251981c074fc980f4dc7Dmitry Shmidt{ 2953ab3e6696757541c098a251981c074fc980f4dc7Dmitry Shmidt int ret; 2963ab3e6696757541c098a251981c074fc980f4dc7Dmitry Shmidt int destfd; 2973ab3e6696757541c098a251981c074fc980f4dc7Dmitry Shmidt 2983ab3e6696757541c098a251981c074fc980f4dc7Dmitry Shmidt ret = access(SUPP_ENTROPY_FILE, R_OK|W_OK); 2993ab3e6696757541c098a251981c074fc980f4dc7Dmitry Shmidt if ((ret == 0) || (errno == EACCES)) { 3003ab3e6696757541c098a251981c074fc980f4dc7Dmitry Shmidt if ((ret != 0) && 3013ab3e6696757541c098a251981c074fc980f4dc7Dmitry Shmidt (chmod(SUPP_ENTROPY_FILE, S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP) != 0)) { 3025efbd421e0029d6fc44b1cc65c0e5e0d85e5161fSteve Block ALOGE("Cannot set RW to \"%s\": %s", SUPP_ENTROPY_FILE, strerror(errno)); 3033ab3e6696757541c098a251981c074fc980f4dc7Dmitry Shmidt return -1; 3043ab3e6696757541c098a251981c074fc980f4dc7Dmitry Shmidt } 3053ab3e6696757541c098a251981c074fc980f4dc7Dmitry Shmidt return 0; 3063ab3e6696757541c098a251981c074fc980f4dc7Dmitry Shmidt } 307cf449e140874e4f57f120a88411c7b642172ecf2Kenny Root destfd = TEMP_FAILURE_RETRY(open(SUPP_ENTROPY_FILE, O_CREAT|O_RDWR, 0660)); 3083ab3e6696757541c098a251981c074fc980f4dc7Dmitry Shmidt if (destfd < 0) { 3095efbd421e0029d6fc44b1cc65c0e5e0d85e5161fSteve Block ALOGE("Cannot create \"%s\": %s", SUPP_ENTROPY_FILE, strerror(errno)); 3103ab3e6696757541c098a251981c074fc980f4dc7Dmitry Shmidt return -1; 3113ab3e6696757541c098a251981c074fc980f4dc7Dmitry Shmidt } 3123ab3e6696757541c098a251981c074fc980f4dc7Dmitry Shmidt 313cf449e140874e4f57f120a88411c7b642172ecf2Kenny Root if (TEMP_FAILURE_RETRY(write(destfd, dummy_key, sizeof(dummy_key))) != sizeof(dummy_key)) { 3145efbd421e0029d6fc44b1cc65c0e5e0d85e5161fSteve Block ALOGE("Error writing \"%s\": %s", SUPP_ENTROPY_FILE, strerror(errno)); 3153ab3e6696757541c098a251981c074fc980f4dc7Dmitry Shmidt close(destfd); 3163ab3e6696757541c098a251981c074fc980f4dc7Dmitry Shmidt return -1; 3173ab3e6696757541c098a251981c074fc980f4dc7Dmitry Shmidt } 3183ab3e6696757541c098a251981c074fc980f4dc7Dmitry Shmidt close(destfd); 3193ab3e6696757541c098a251981c074fc980f4dc7Dmitry Shmidt 3203ab3e6696757541c098a251981c074fc980f4dc7Dmitry Shmidt /* chmod is needed because open() didn't set permisions properly */ 3213ab3e6696757541c098a251981c074fc980f4dc7Dmitry Shmidt if (chmod(SUPP_ENTROPY_FILE, 0660) < 0) { 3225efbd421e0029d6fc44b1cc65c0e5e0d85e5161fSteve Block ALOGE("Error changing permissions of %s to 0660: %s", 3233ab3e6696757541c098a251981c074fc980f4dc7Dmitry Shmidt SUPP_ENTROPY_FILE, strerror(errno)); 3243ab3e6696757541c098a251981c074fc980f4dc7Dmitry Shmidt unlink(SUPP_ENTROPY_FILE); 3253ab3e6696757541c098a251981c074fc980f4dc7Dmitry Shmidt return -1; 3263ab3e6696757541c098a251981c074fc980f4dc7Dmitry Shmidt } 3273ab3e6696757541c098a251981c074fc980f4dc7Dmitry Shmidt 3283ab3e6696757541c098a251981c074fc980f4dc7Dmitry Shmidt if (chown(SUPP_ENTROPY_FILE, AID_SYSTEM, AID_WIFI) < 0) { 3295efbd421e0029d6fc44b1cc65c0e5e0d85e5161fSteve Block ALOGE("Error changing group ownership of %s to %d: %s", 3303ab3e6696757541c098a251981c074fc980f4dc7Dmitry Shmidt SUPP_ENTROPY_FILE, AID_WIFI, strerror(errno)); 3313ab3e6696757541c098a251981c074fc980f4dc7Dmitry Shmidt unlink(SUPP_ENTROPY_FILE); 3323ab3e6696757541c098a251981c074fc980f4dc7Dmitry Shmidt return -1; 3333ab3e6696757541c098a251981c074fc980f4dc7Dmitry Shmidt } 3343ab3e6696757541c098a251981c074fc980f4dc7Dmitry Shmidt return 0; 3353ab3e6696757541c098a251981c074fc980f4dc7Dmitry Shmidt} 3363ab3e6696757541c098a251981c074fc980f4dc7Dmitry Shmidt 33767ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriffint update_ctrl_interface(const char *config_file) { 33867ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff 33967ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff int srcfd, destfd; 34067ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff int nread; 3410e9f488e672abf0d14580261998cfd9c7211c112Dmitry Shmidt char ifc[PROPERTY_VALUE_MAX]; 3420e9f488e672abf0d14580261998cfd9c7211c112Dmitry Shmidt char *pbuf; 34367ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff char *sptr; 34467ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff struct stat sb; 345a776ffd243bbd02948ebefd43f4ac2690ebb11e6Irfan Sheriff int ret; 34667ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff 34767ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff if (stat(config_file, &sb) != 0) 34867ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff return -1; 34967ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff 35067ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff pbuf = malloc(sb.st_size + PROPERTY_VALUE_MAX); 35167ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff if (!pbuf) 35267ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff return 0; 353cf449e140874e4f57f120a88411c7b642172ecf2Kenny Root srcfd = TEMP_FAILURE_RETRY(open(config_file, O_RDONLY)); 35467ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff if (srcfd < 0) { 3555efbd421e0029d6fc44b1cc65c0e5e0d85e5161fSteve Block ALOGE("Cannot open \"%s\": %s", config_file, strerror(errno)); 35667ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff free(pbuf); 35767ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff return 0; 35867ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff } 359cf449e140874e4f57f120a88411c7b642172ecf2Kenny Root nread = TEMP_FAILURE_RETRY(read(srcfd, pbuf, sb.st_size)); 36067ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff close(srcfd); 36167ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff if (nread < 0) { 3625efbd421e0029d6fc44b1cc65c0e5e0d85e5161fSteve Block ALOGE("Cannot read \"%s\": %s", config_file, strerror(errno)); 36367ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff free(pbuf); 36467ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff return 0; 36567ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff } 36667ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff 36767ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff if (!strcmp(config_file, SUPP_CONFIG_FILE)) { 36867ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff property_get("wifi.interface", ifc, WIFI_TEST_INTERFACE); 36967ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff } else { 37067ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff strcpy(ifc, CONTROL_IFACE_PATH); 37167ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff } 372a776ffd243bbd02948ebefd43f4ac2690ebb11e6Irfan Sheriff /* Assume file is invalid to begin with */ 373a776ffd243bbd02948ebefd43f4ac2690ebb11e6Irfan Sheriff ret = -1; 37424ffafedc87d05611703deb62e25d71684e0723ePaul Drews /* 37524ffafedc87d05611703deb62e25d71684e0723ePaul Drews * if there is a "ctrl_interface=<value>" entry, re-write it ONLY if it is 37624ffafedc87d05611703deb62e25d71684e0723ePaul Drews * NOT a directory. The non-directory value option is an Android add-on 37724ffafedc87d05611703deb62e25d71684e0723ePaul Drews * that allows the control interface to be exchanged through an environment 37824ffafedc87d05611703deb62e25d71684e0723ePaul Drews * variable (initialized by the "init" program when it starts a service 37924ffafedc87d05611703deb62e25d71684e0723ePaul Drews * with a "socket" option). 38024ffafedc87d05611703deb62e25d71684e0723ePaul Drews * 38124ffafedc87d05611703deb62e25d71684e0723ePaul Drews * The <value> is deemed to be a directory if the "DIR=" form is used or 38224ffafedc87d05611703deb62e25d71684e0723ePaul Drews * the value begins with "/". 38324ffafedc87d05611703deb62e25d71684e0723ePaul Drews */ 384a776ffd243bbd02948ebefd43f4ac2690ebb11e6Irfan Sheriff if (sptr = strstr(pbuf, "ctrl_interface=")) { 385a776ffd243bbd02948ebefd43f4ac2690ebb11e6Irfan Sheriff ret = 0; 386a776ffd243bbd02948ebefd43f4ac2690ebb11e6Irfan Sheriff if ((!strstr(pbuf, "ctrl_interface=DIR=")) && 387a776ffd243bbd02948ebefd43f4ac2690ebb11e6Irfan Sheriff (!strstr(pbuf, "ctrl_interface=/"))) { 388a776ffd243bbd02948ebefd43f4ac2690ebb11e6Irfan Sheriff char *iptr = sptr + strlen("ctrl_interface="); 389a776ffd243bbd02948ebefd43f4ac2690ebb11e6Irfan Sheriff int ilen = 0; 390a776ffd243bbd02948ebefd43f4ac2690ebb11e6Irfan Sheriff int mlen = strlen(ifc); 391a776ffd243bbd02948ebefd43f4ac2690ebb11e6Irfan Sheriff int nwrite; 392a776ffd243bbd02948ebefd43f4ac2690ebb11e6Irfan Sheriff if (strncmp(ifc, iptr, mlen) != 0) { 393a776ffd243bbd02948ebefd43f4ac2690ebb11e6Irfan Sheriff ALOGE("ctrl_interface != %s", ifc); 394a776ffd243bbd02948ebefd43f4ac2690ebb11e6Irfan Sheriff while (((ilen + (iptr - pbuf)) < nread) && (iptr[ilen] != '\n')) 395a776ffd243bbd02948ebefd43f4ac2690ebb11e6Irfan Sheriff ilen++; 396a776ffd243bbd02948ebefd43f4ac2690ebb11e6Irfan Sheriff mlen = ((ilen >= mlen) ? ilen : mlen) + 1; 397a776ffd243bbd02948ebefd43f4ac2690ebb11e6Irfan Sheriff memmove(iptr + mlen, iptr + ilen + 1, nread - (iptr + ilen + 1 - pbuf)); 398a776ffd243bbd02948ebefd43f4ac2690ebb11e6Irfan Sheriff memset(iptr, '\n', mlen); 399a776ffd243bbd02948ebefd43f4ac2690ebb11e6Irfan Sheriff memcpy(iptr, ifc, strlen(ifc)); 400a776ffd243bbd02948ebefd43f4ac2690ebb11e6Irfan Sheriff destfd = TEMP_FAILURE_RETRY(open(config_file, O_RDWR, 0660)); 401a776ffd243bbd02948ebefd43f4ac2690ebb11e6Irfan Sheriff if (destfd < 0) { 402a776ffd243bbd02948ebefd43f4ac2690ebb11e6Irfan Sheriff ALOGE("Cannot update \"%s\": %s", config_file, strerror(errno)); 403a776ffd243bbd02948ebefd43f4ac2690ebb11e6Irfan Sheriff free(pbuf); 404a776ffd243bbd02948ebefd43f4ac2690ebb11e6Irfan Sheriff return -1; 405a776ffd243bbd02948ebefd43f4ac2690ebb11e6Irfan Sheriff } 406a776ffd243bbd02948ebefd43f4ac2690ebb11e6Irfan Sheriff TEMP_FAILURE_RETRY(write(destfd, pbuf, nread + mlen - ilen -1)); 407a776ffd243bbd02948ebefd43f4ac2690ebb11e6Irfan Sheriff close(destfd); 40867ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff } 40967ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff } 41067ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff } 41167ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff free(pbuf); 412a776ffd243bbd02948ebefd43f4ac2690ebb11e6Irfan Sheriff return ret; 41367ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff} 41467ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff 41567ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriffint ensure_config_file_exists(const char *config_file) 41667ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff{ 41767ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff char buf[2048]; 418cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project int srcfd, destfd; 4198a5b197b3d5878e3f1cf49c9c38c090456107e87Irfan Sheriff struct stat sb; 420cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project int nread; 42189ae703cd6d4b2bc86c4bd281a8e460fd5679891Dmitry Shmidt int ret; 422cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project 42367ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff ret = access(config_file, R_OK|W_OK); 42489ae703cd6d4b2bc86c4bd281a8e460fd5679891Dmitry Shmidt if ((ret == 0) || (errno == EACCES)) { 42589ae703cd6d4b2bc86c4bd281a8e460fd5679891Dmitry Shmidt if ((ret != 0) && 42667ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff (chmod(config_file, S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP) != 0)) { 4275efbd421e0029d6fc44b1cc65c0e5e0d85e5161fSteve Block ALOGE("Cannot set RW to \"%s\": %s", config_file, strerror(errno)); 42889ae703cd6d4b2bc86c4bd281a8e460fd5679891Dmitry Shmidt return -1; 42989ae703cd6d4b2bc86c4bd281a8e460fd5679891Dmitry Shmidt } 430a776ffd243bbd02948ebefd43f4ac2690ebb11e6Irfan Sheriff /* return if we were able to update control interface properly */ 431a776ffd243bbd02948ebefd43f4ac2690ebb11e6Irfan Sheriff if (update_ctrl_interface(config_file) >=0) { 432a776ffd243bbd02948ebefd43f4ac2690ebb11e6Irfan Sheriff return 0; 433a776ffd243bbd02948ebefd43f4ac2690ebb11e6Irfan Sheriff } else { 434a776ffd243bbd02948ebefd43f4ac2690ebb11e6Irfan Sheriff /* This handles the scenario where the file had bad data 435a776ffd243bbd02948ebefd43f4ac2690ebb11e6Irfan Sheriff * for some reason. We continue and recreate the file. 436a776ffd243bbd02948ebefd43f4ac2690ebb11e6Irfan Sheriff */ 4378a5b197b3d5878e3f1cf49c9c38c090456107e87Irfan Sheriff } 438cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project } else if (errno != ENOENT) { 4395efbd421e0029d6fc44b1cc65c0e5e0d85e5161fSteve Block ALOGE("Cannot access \"%s\": %s", config_file, strerror(errno)); 440cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project return -1; 441cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project } 442cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project 443cf449e140874e4f57f120a88411c7b642172ecf2Kenny Root srcfd = TEMP_FAILURE_RETRY(open(SUPP_CONFIG_TEMPLATE, O_RDONLY)); 444cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project if (srcfd < 0) { 4455efbd421e0029d6fc44b1cc65c0e5e0d85e5161fSteve Block ALOGE("Cannot open \"%s\": %s", SUPP_CONFIG_TEMPLATE, strerror(errno)); 446cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project return -1; 447cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project } 448cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project 449cf449e140874e4f57f120a88411c7b642172ecf2Kenny Root destfd = TEMP_FAILURE_RETRY(open(config_file, O_CREAT|O_RDWR, 0660)); 450cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project if (destfd < 0) { 451cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project close(srcfd); 4525efbd421e0029d6fc44b1cc65c0e5e0d85e5161fSteve Block ALOGE("Cannot create \"%s\": %s", config_file, strerror(errno)); 453cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project return -1; 454cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project } 455cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project 456cf449e140874e4f57f120a88411c7b642172ecf2Kenny Root while ((nread = TEMP_FAILURE_RETRY(read(srcfd, buf, sizeof(buf)))) != 0) { 457cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project if (nread < 0) { 4585efbd421e0029d6fc44b1cc65c0e5e0d85e5161fSteve Block ALOGE("Error reading \"%s\": %s", SUPP_CONFIG_TEMPLATE, strerror(errno)); 459cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project close(srcfd); 460cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project close(destfd); 46167ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff unlink(config_file); 462cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project return -1; 463cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project } 464cf449e140874e4f57f120a88411c7b642172ecf2Kenny Root TEMP_FAILURE_RETRY(write(destfd, buf, nread)); 465cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project } 466cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project 467cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project close(destfd); 468cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project close(srcfd); 469cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project 47024bf7fc4e02b552650f299d16303eca0825dd8c8Dmitry Shmidt /* chmod is needed because open() didn't set permisions properly */ 47167ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff if (chmod(config_file, 0660) < 0) { 4725efbd421e0029d6fc44b1cc65c0e5e0d85e5161fSteve Block ALOGE("Error changing permissions of %s to 0660: %s", 47367ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff config_file, strerror(errno)); 47467ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff unlink(config_file); 47524bf7fc4e02b552650f299d16303eca0825dd8c8Dmitry Shmidt return -1; 47624bf7fc4e02b552650f299d16303eca0825dd8c8Dmitry Shmidt } 47724bf7fc4e02b552650f299d16303eca0825dd8c8Dmitry Shmidt 47867ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff if (chown(config_file, AID_SYSTEM, AID_WIFI) < 0) { 4795efbd421e0029d6fc44b1cc65c0e5e0d85e5161fSteve Block ALOGE("Error changing group ownership of %s to %d: %s", 48067ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff config_file, AID_WIFI, strerror(errno)); 48167ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff unlink(config_file); 482cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project return -1; 483cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project } 48467ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff return update_ctrl_interface(config_file); 485cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project} 486cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project 487eea19f1d855b9434313fbb9447a23caf8123aa58Dmitry Shmidt/** 488eea19f1d855b9434313fbb9447a23caf8123aa58Dmitry Shmidt * wifi_wpa_ctrl_cleanup() - Delete any local UNIX domain socket files that 489eea19f1d855b9434313fbb9447a23caf8123aa58Dmitry Shmidt * may be left over from clients that were previously connected to 490eea19f1d855b9434313fbb9447a23caf8123aa58Dmitry Shmidt * wpa_supplicant. This keeps these files from being orphaned in the 491eea19f1d855b9434313fbb9447a23caf8123aa58Dmitry Shmidt * event of crashes that prevented them from being removed as part 492eea19f1d855b9434313fbb9447a23caf8123aa58Dmitry Shmidt * of the normal orderly shutdown. 493eea19f1d855b9434313fbb9447a23caf8123aa58Dmitry Shmidt */ 494eea19f1d855b9434313fbb9447a23caf8123aa58Dmitry Shmidtvoid wifi_wpa_ctrl_cleanup(void) 495eea19f1d855b9434313fbb9447a23caf8123aa58Dmitry Shmidt{ 496eea19f1d855b9434313fbb9447a23caf8123aa58Dmitry Shmidt DIR *dir; 497eea19f1d855b9434313fbb9447a23caf8123aa58Dmitry Shmidt struct dirent entry; 498eea19f1d855b9434313fbb9447a23caf8123aa58Dmitry Shmidt struct dirent *result; 499eea19f1d855b9434313fbb9447a23caf8123aa58Dmitry Shmidt size_t dirnamelen; 500eea19f1d855b9434313fbb9447a23caf8123aa58Dmitry Shmidt size_t maxcopy; 501eea19f1d855b9434313fbb9447a23caf8123aa58Dmitry Shmidt char pathname[PATH_MAX]; 502eea19f1d855b9434313fbb9447a23caf8123aa58Dmitry Shmidt char *namep; 503eea19f1d855b9434313fbb9447a23caf8123aa58Dmitry Shmidt char *local_socket_dir = CONFIG_CTRL_IFACE_CLIENT_DIR; 504eea19f1d855b9434313fbb9447a23caf8123aa58Dmitry Shmidt char *local_socket_prefix = CONFIG_CTRL_IFACE_CLIENT_PREFIX; 505eea19f1d855b9434313fbb9447a23caf8123aa58Dmitry Shmidt 506eea19f1d855b9434313fbb9447a23caf8123aa58Dmitry Shmidt if ((dir = opendir(local_socket_dir)) == NULL) 507eea19f1d855b9434313fbb9447a23caf8123aa58Dmitry Shmidt return; 508eea19f1d855b9434313fbb9447a23caf8123aa58Dmitry Shmidt 509eea19f1d855b9434313fbb9447a23caf8123aa58Dmitry Shmidt dirnamelen = (size_t)snprintf(pathname, sizeof(pathname), "%s/", local_socket_dir); 510eea19f1d855b9434313fbb9447a23caf8123aa58Dmitry Shmidt if (dirnamelen >= sizeof(pathname)) { 511eea19f1d855b9434313fbb9447a23caf8123aa58Dmitry Shmidt closedir(dir); 512eea19f1d855b9434313fbb9447a23caf8123aa58Dmitry Shmidt return; 513eea19f1d855b9434313fbb9447a23caf8123aa58Dmitry Shmidt } 514eea19f1d855b9434313fbb9447a23caf8123aa58Dmitry Shmidt namep = pathname + dirnamelen; 515eea19f1d855b9434313fbb9447a23caf8123aa58Dmitry Shmidt maxcopy = PATH_MAX - dirnamelen; 516eea19f1d855b9434313fbb9447a23caf8123aa58Dmitry Shmidt while (readdir_r(dir, &entry, &result) == 0 && result != NULL) { 517eea19f1d855b9434313fbb9447a23caf8123aa58Dmitry Shmidt if (strncmp(entry.d_name, local_socket_prefix, strlen(local_socket_prefix)) == 0) { 518eea19f1d855b9434313fbb9447a23caf8123aa58Dmitry Shmidt if (strlcpy(namep, entry.d_name, maxcopy) < maxcopy) { 519eea19f1d855b9434313fbb9447a23caf8123aa58Dmitry Shmidt unlink(pathname); 520eea19f1d855b9434313fbb9447a23caf8123aa58Dmitry Shmidt } 521eea19f1d855b9434313fbb9447a23caf8123aa58Dmitry Shmidt } 522eea19f1d855b9434313fbb9447a23caf8123aa58Dmitry Shmidt } 523eea19f1d855b9434313fbb9447a23caf8123aa58Dmitry Shmidt closedir(dir); 524eea19f1d855b9434313fbb9447a23caf8123aa58Dmitry Shmidt} 525eea19f1d855b9434313fbb9447a23caf8123aa58Dmitry Shmidt 526096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriffint wifi_start_supplicant(int p2p_supported) 527cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project{ 528cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project char supp_status[PROPERTY_VALUE_MAX] = {'\0'}; 529cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project int count = 200; /* wait at most 20 seconds for completion */ 530cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project#ifdef HAVE_LIBC_SYSTEM_PROPERTIES 531cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project const prop_info *pi; 532da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff unsigned serial = 0, i; 533cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project#endif 534cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project 535096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriff if (p2p_supported) { 536096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriff strcpy(supplicant_name, P2P_SUPPLICANT_NAME); 537096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriff strcpy(supplicant_prop_name, P2P_PROP_NAME); 538096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriff 539096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriff /* Ensure p2p config file is created */ 540096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriff if (ensure_config_file_exists(P2P_CONFIG_FILE) < 0) { 541096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriff ALOGE("Failed to create a p2p config file"); 542096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriff return -1; 543096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriff } 544096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriff 545096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriff } else { 546096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriff strcpy(supplicant_name, SUPPLICANT_NAME); 547096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriff strcpy(supplicant_prop_name, SUPP_PROP_NAME); 548096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriff } 549096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriff 550cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project /* Check whether already running */ 551096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriff if (property_get(supplicant_name, supp_status, NULL) 552cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project && strcmp(supp_status, "running") == 0) { 553cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project return 0; 554cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project } 555cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project 556cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project /* Before starting the daemon, make sure its config file exists */ 557096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriff if (ensure_config_file_exists(SUPP_CONFIG_FILE) < 0) { 5585efbd421e0029d6fc44b1cc65c0e5e0d85e5161fSteve Block ALOGE("Wi-Fi will not be enabled"); 559cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project return -1; 560cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project } 561cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project 5623ab3e6696757541c098a251981c074fc980f4dc7Dmitry Shmidt if (ensure_entropy_file_exists() < 0) { 5635efbd421e0029d6fc44b1cc65c0e5e0d85e5161fSteve Block ALOGE("Wi-Fi entropy file was not created"); 5643ab3e6696757541c098a251981c074fc980f4dc7Dmitry Shmidt } 5653ab3e6696757541c098a251981c074fc980f4dc7Dmitry Shmidt 566cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project /* Clear out any stale socket files that might be left over. */ 567eea19f1d855b9434313fbb9447a23caf8123aa58Dmitry Shmidt wifi_wpa_ctrl_cleanup(); 568cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project 569da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff /* Reset sockets used for exiting from hung state */ 570da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff for (i=0; i<MAX_CONNS; i++) { 571da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff exit_sockets[i][0] = exit_sockets[i][1] = -1; 572da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff } 573da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff 574cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project#ifdef HAVE_LIBC_SYSTEM_PROPERTIES 575cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project /* 576cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project * Get a reference to the status property, so we can distinguish 577cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project * the case where it goes stopped => running => stopped (i.e., 578cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project * it start up, but fails right away) from the case in which 579cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project * it starts in the stopped state and never manages to start 580cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project * running at all. 581cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project */ 582096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriff pi = __system_property_find(supplicant_prop_name); 583cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project if (pi != NULL) { 584cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project serial = pi->serial; 585cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project } 586cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project#endif 587da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff property_get("wifi.interface", primary_iface, WIFI_TEST_INTERFACE); 588096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriff 589096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriff property_set("ctl.start", supplicant_name); 590cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project sched_yield(); 591cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project 592cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project while (count-- > 0) { 593007404c68f5cf6328e30b6d0edac3fd52ef36abbDmitry Shmidt#ifdef HAVE_LIBC_SYSTEM_PROPERTIES 594cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project if (pi == NULL) { 595096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriff pi = __system_property_find(supplicant_prop_name); 596cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project } 597cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project if (pi != NULL) { 598cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project __system_property_read(pi, NULL, supp_status); 599cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project if (strcmp(supp_status, "running") == 0) { 600cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project return 0; 601cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project } else if (pi->serial != serial && 602cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project strcmp(supp_status, "stopped") == 0) { 603cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project return -1; 604cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project } 605cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project } 606cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project#else 607096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriff if (property_get(supplicant_prop_name, supp_status, NULL)) { 608cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project if (strcmp(supp_status, "running") == 0) 609cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project return 0; 610cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project } 611cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project#endif 612cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project usleep(100000); 613cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project } 614cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project return -1; 615cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project} 616cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project 617745e7fd4e09db2b47371338ee54c54255e286473Irfan Sheriffint wifi_stop_supplicant(int p2p_supported) 618cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project{ 619cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project char supp_status[PROPERTY_VALUE_MAX] = {'\0'}; 620cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project int count = 50; /* wait at most 5 seconds for completion */ 621cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project 622745e7fd4e09db2b47371338ee54c54255e286473Irfan Sheriff if (p2p_supported) { 623745e7fd4e09db2b47371338ee54c54255e286473Irfan Sheriff strcpy(supplicant_name, P2P_SUPPLICANT_NAME); 624745e7fd4e09db2b47371338ee54c54255e286473Irfan Sheriff strcpy(supplicant_prop_name, P2P_PROP_NAME); 625745e7fd4e09db2b47371338ee54c54255e286473Irfan Sheriff } else { 626745e7fd4e09db2b47371338ee54c54255e286473Irfan Sheriff strcpy(supplicant_name, SUPPLICANT_NAME); 627745e7fd4e09db2b47371338ee54c54255e286473Irfan Sheriff strcpy(supplicant_prop_name, SUPP_PROP_NAME); 628745e7fd4e09db2b47371338ee54c54255e286473Irfan Sheriff } 629745e7fd4e09db2b47371338ee54c54255e286473Irfan Sheriff 630cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project /* Check whether supplicant already stopped */ 631096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriff if (property_get(supplicant_prop_name, supp_status, NULL) 632cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project && strcmp(supp_status, "stopped") == 0) { 633cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project return 0; 634cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project } 635cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project 636096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriff property_set("ctl.stop", supplicant_name); 637cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project sched_yield(); 638cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project 639cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project while (count-- > 0) { 640096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriff if (property_get(supplicant_prop_name, supp_status, NULL)) { 641cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project if (strcmp(supp_status, "stopped") == 0) 642cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project return 0; 643cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project } 644cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project usleep(100000); 645cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project } 646745e7fd4e09db2b47371338ee54c54255e286473Irfan Sheriff ALOGE("Failed to stop supplicant"); 647cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project return -1; 648cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project} 649cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project 650da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriffint wifi_connect_on_socket_path(int index, const char *path) 651cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project{ 652cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project char supp_status[PROPERTY_VALUE_MAX] = {'\0'}; 653cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project 654cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project /* Make sure supplicant is running */ 655096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriff if (!property_get(supplicant_prop_name, supp_status, NULL) 656cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project || strcmp(supp_status, "running") != 0) { 6575efbd421e0029d6fc44b1cc65c0e5e0d85e5161fSteve Block ALOGE("Supplicant not running, cannot connect"); 658cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project return -1; 659cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project } 660cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project 661da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff ctrl_conn[index] = wpa_ctrl_open(path); 662da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff if (ctrl_conn[index] == NULL) { 6635efbd421e0029d6fc44b1cc65c0e5e0d85e5161fSteve Block ALOGE("Unable to open connection to supplicant on \"%s\": %s", 664da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff path, strerror(errno)); 665cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project return -1; 666cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project } 667da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff monitor_conn[index] = wpa_ctrl_open(path); 668da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff if (monitor_conn[index] == NULL) { 669da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff wpa_ctrl_close(ctrl_conn[index]); 670da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff ctrl_conn[index] = NULL; 671cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project return -1; 672cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project } 673da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff if (wpa_ctrl_attach(monitor_conn[index]) != 0) { 674da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff wpa_ctrl_close(monitor_conn[index]); 675da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff wpa_ctrl_close(ctrl_conn[index]); 676da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff ctrl_conn[index] = monitor_conn[index] = NULL; 677cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project return -1; 678cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project } 679025321a09dbe7820870125acf771e1da02684605Irfan Sheriff 680da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff if (socketpair(AF_UNIX, SOCK_STREAM, 0, exit_sockets[index]) == -1) { 681da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff wpa_ctrl_close(monitor_conn[index]); 682da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff wpa_ctrl_close(ctrl_conn[index]); 683da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff ctrl_conn[index] = monitor_conn[index] = NULL; 684025321a09dbe7820870125acf771e1da02684605Irfan Sheriff return -1; 685025321a09dbe7820870125acf771e1da02684605Irfan Sheriff } 686025321a09dbe7820870125acf771e1da02684605Irfan Sheriff 687cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project return 0; 688cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project} 689cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project 690da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff/* Establishes the control and monitor socket connections on the interface */ 691da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriffint wifi_connect_to_supplicant(const char *ifname) 692da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff{ 693da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff char path[256]; 694da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff 695da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff if (is_primary_interface(ifname)) { 696da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff if (access(IFACE_DIR, F_OK) == 0) { 697da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff snprintf(path, sizeof(path), "%s/%s", IFACE_DIR, primary_iface); 698da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff } else { 699da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff strlcpy(path, primary_iface, sizeof(path)); 700da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff } 701da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff return wifi_connect_on_socket_path(PRIMARY, path); 702da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff } else { 703da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff sprintf(path, "%s/%s", CONTROL_IFACE_PATH, ifname); 704da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff return wifi_connect_on_socket_path(SECONDARY, path); 705da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff } 706da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff} 707da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff 708da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriffint wifi_send_command(int index, const char *cmd, char *reply, size_t *reply_len) 709cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project{ 710cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project int ret; 711cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project 712da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff if (ctrl_conn[index] == NULL) { 7136a70518b93928d1c91457ff805e375c82d76b0e5Steve Block ALOGV("Not connected to wpa_supplicant - \"%s\" command dropped.\n", cmd); 714cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project return -1; 715cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project } 716da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff ret = wpa_ctrl_request(ctrl_conn[index], cmd, strlen(cmd), reply, reply_len, NULL); 717cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project if (ret == -2) { 718b381b932acfa441da5607f37ac4ef6573ed5be96Steve Block ALOGD("'%s' command timed out.\n", cmd); 719025321a09dbe7820870125acf771e1da02684605Irfan Sheriff /* unblocks the monitor receive socket for termination */ 720cf449e140874e4f57f120a88411c7b642172ecf2Kenny Root TEMP_FAILURE_RETRY(write(exit_sockets[index][0], "T", 1)); 721cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project return -2; 722cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project } else if (ret < 0 || strncmp(reply, "FAIL", 4) == 0) { 723cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project return -1; 724cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project } 725cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project if (strncmp(cmd, "PING", 4) == 0) { 726cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project reply[*reply_len] = '\0'; 727cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project } 728cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project return 0; 729cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project} 730cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project 731da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriffint wifi_ctrl_recv(int index, char *reply, size_t *reply_len) 732025321a09dbe7820870125acf771e1da02684605Irfan Sheriff{ 733025321a09dbe7820870125acf771e1da02684605Irfan Sheriff int res; 734c6e7b3d9e65c18df980d181ee4cf2deedab89169Irfan Sheriff int ctrlfd = wpa_ctrl_get_fd(monitor_conn[index]); 73545bf8a6f0bbf148ca5a1a626ab1c5c38a0855e13Dmitry Shmidt struct pollfd rfds[2]; 73645bf8a6f0bbf148ca5a1a626ab1c5c38a0855e13Dmitry Shmidt 73745bf8a6f0bbf148ca5a1a626ab1c5c38a0855e13Dmitry Shmidt memset(rfds, 0, 2 * sizeof(struct pollfd)); 73845bf8a6f0bbf148ca5a1a626ab1c5c38a0855e13Dmitry Shmidt rfds[0].fd = ctrlfd; 73945bf8a6f0bbf148ca5a1a626ab1c5c38a0855e13Dmitry Shmidt rfds[0].events |= POLLIN; 740da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff rfds[1].fd = exit_sockets[index][1]; 74145bf8a6f0bbf148ca5a1a626ab1c5c38a0855e13Dmitry Shmidt rfds[1].events |= POLLIN; 742cf449e140874e4f57f120a88411c7b642172ecf2Kenny Root res = TEMP_FAILURE_RETRY(poll(rfds, 2, -1)); 74345bf8a6f0bbf148ca5a1a626ab1c5c38a0855e13Dmitry Shmidt if (res < 0) { 7445efbd421e0029d6fc44b1cc65c0e5e0d85e5161fSteve Block ALOGE("Error poll = %d", res); 745025321a09dbe7820870125acf771e1da02684605Irfan Sheriff return res; 74645bf8a6f0bbf148ca5a1a626ab1c5c38a0855e13Dmitry Shmidt } 74745bf8a6f0bbf148ca5a1a626ab1c5c38a0855e13Dmitry Shmidt if (rfds[0].revents & POLLIN) { 748da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff return wpa_ctrl_recv(monitor_conn[index], reply, reply_len); 749897f6dd64224d22c22c8f7a497331bf5bc335e4cIrfan Sheriff } else if (rfds[1].revents & POLLIN) { 750943574a822af6dfa32ad94c9f65caa79c5c6ca02Irfan Sheriff /* Close only the p2p sockets on receive side 751943574a822af6dfa32ad94c9f65caa79c5c6ca02Irfan Sheriff * see wifi_close_supplicant_connection() 752943574a822af6dfa32ad94c9f65caa79c5c6ca02Irfan Sheriff */ 753943574a822af6dfa32ad94c9f65caa79c5c6ca02Irfan Sheriff if (index == SECONDARY) { 754943574a822af6dfa32ad94c9f65caa79c5c6ca02Irfan Sheriff ALOGD("close sockets %d", index); 755943574a822af6dfa32ad94c9f65caa79c5c6ca02Irfan Sheriff wifi_close_sockets(index); 756943574a822af6dfa32ad94c9f65caa79c5c6ca02Irfan Sheriff } 757025321a09dbe7820870125acf771e1da02684605Irfan Sheriff } 758897f6dd64224d22c22c8f7a497331bf5bc335e4cIrfan Sheriff return -2; 759025321a09dbe7820870125acf771e1da02684605Irfan Sheriff} 760025321a09dbe7820870125acf771e1da02684605Irfan Sheriff 761da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriffint wifi_wait_on_socket(int index, char *buf, size_t buflen) 762cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project{ 763cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project size_t nread = buflen - 1; 764cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project int result; 7650e9f488e672abf0d14580261998cfd9c7211c112Dmitry Shmidt 766da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff if (monitor_conn[index] == NULL) { 767b381b932acfa441da5607f37ac4ef6573ed5be96Steve Block ALOGD("Connection closed\n"); 7682631f993753d726c8c6a85ab66a83db79e54f0bbIrfan Sheriff strncpy(buf, WPA_EVENT_TERMINATING " - connection closed", buflen-1); 7692631f993753d726c8c6a85ab66a83db79e54f0bbIrfan Sheriff buf[buflen-1] = '\0'; 7702631f993753d726c8c6a85ab66a83db79e54f0bbIrfan Sheriff return strlen(buf); 7712631f993753d726c8c6a85ab66a83db79e54f0bbIrfan Sheriff } 772cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project 773da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff result = wifi_ctrl_recv(index, buf, &nread); 774096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriff 775096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriff /* Terminate reception on exit socket */ 776096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriff if (result == -2) { 777096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriff strncpy(buf, WPA_EVENT_TERMINATING " - connection closed", buflen-1); 778096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriff buf[buflen-1] = '\0'; 779096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriff return strlen(buf); 780096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriff } 781096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriff 782cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project if (result < 0) { 783b381b932acfa441da5607f37ac4ef6573ed5be96Steve Block ALOGD("wifi_ctrl_recv failed: %s\n", strerror(errno)); 7842631f993753d726c8c6a85ab66a83db79e54f0bbIrfan Sheriff strncpy(buf, WPA_EVENT_TERMINATING " - recv error", buflen-1); 7852631f993753d726c8c6a85ab66a83db79e54f0bbIrfan Sheriff buf[buflen-1] = '\0'; 7862631f993753d726c8c6a85ab66a83db79e54f0bbIrfan Sheriff return strlen(buf); 787cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project } 788cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project buf[nread] = '\0'; 789cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project /* Check for EOF on the socket */ 790cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project if (result == 0 && nread == 0) { 791cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project /* Fabricate an event to pass up */ 792b381b932acfa441da5607f37ac4ef6573ed5be96Steve Block ALOGD("Received EOF on supplicant socket\n"); 793cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project strncpy(buf, WPA_EVENT_TERMINATING " - signal 0 received", buflen-1); 794cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project buf[buflen-1] = '\0'; 795cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project return strlen(buf); 796cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project } 797cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project /* 798cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project * Events strings are in the format 799cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project * 800cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project * <N>CTRL-EVENT-XXX 801cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project * 802cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project * where N is the message level in numerical form (0=VERBOSE, 1=DEBUG, 803cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project * etc.) and XXX is the event name. The level information is not useful 804cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project * to us, so strip it off. 805cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project */ 806cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project if (buf[0] == '<') { 807cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project char *match = strchr(buf, '>'); 808cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project if (match != NULL) { 809cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project nread -= (match+1-buf); 810cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project memmove(buf, match+1, nread+1); 811cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project } 812cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project } 813096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriff 814cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project return nread; 815cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project} 816cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project 817da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriffint wifi_wait_for_event(const char *ifname, char *buf, size_t buflen) 818cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project{ 819da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff if (is_primary_interface(ifname)) { 820da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff return wifi_wait_on_socket(PRIMARY, buf, buflen); 821da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff } else { 822da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff return wifi_wait_on_socket(SECONDARY, buf, buflen); 823da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff } 824da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff} 8255a8a2d2b130644f0f4abad8586f0a245e4c15be8Irfan Sheriff 826da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriffvoid wifi_close_sockets(int index) 827da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff{ 828da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff if (ctrl_conn[index] != NULL) { 829da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff wpa_ctrl_close(ctrl_conn[index]); 830da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff ctrl_conn[index] = NULL; 831cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project } 832da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff 833da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff if (monitor_conn[index] != NULL) { 834da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff wpa_ctrl_close(monitor_conn[index]); 835da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff monitor_conn[index] = NULL; 836da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff } 837da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff 838da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff if (exit_sockets[index][0] >= 0) { 839da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff close(exit_sockets[index][0]); 840da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff exit_sockets[index][0] = -1; 841cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project } 8425a8a2d2b130644f0f4abad8586f0a245e4c15be8Irfan Sheriff 843da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff if (exit_sockets[index][1] >= 0) { 844da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff close(exit_sockets[index][1]); 845da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff exit_sockets[index][1] = -1; 846025321a09dbe7820870125acf771e1da02684605Irfan Sheriff } 847da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff} 848da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff 849da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriffvoid wifi_close_supplicant_connection(const char *ifname) 850da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff{ 851da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff char supp_status[PROPERTY_VALUE_MAX] = {'\0'}; 852da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff int count = 50; /* wait at most 5 seconds to ensure init has stopped stupplicant */ 853025321a09dbe7820870125acf771e1da02684605Irfan Sheriff 854da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff if (is_primary_interface(ifname)) { 855da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff wifi_close_sockets(PRIMARY); 856da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff } else { 857096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriff /* p2p socket termination needs unblocking the monitor socket 858096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriff * STA connection does not need it since supplicant gets shutdown 859096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriff */ 860cf449e140874e4f57f120a88411c7b642172ecf2Kenny Root TEMP_FAILURE_RETRY(write(exit_sockets[SECONDARY][0], "T", 1)); 861897f6dd64224d22c22c8f7a497331bf5bc335e4cIrfan Sheriff /* p2p sockets are closed after the monitor thread 862897f6dd64224d22c22c8f7a497331bf5bc335e4cIrfan Sheriff * receives the terminate on the exit socket 863897f6dd64224d22c22c8f7a497331bf5bc335e4cIrfan Sheriff */ 864da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff return; 865025321a09dbe7820870125acf771e1da02684605Irfan Sheriff } 866025321a09dbe7820870125acf771e1da02684605Irfan Sheriff 8675a8a2d2b130644f0f4abad8586f0a245e4c15be8Irfan Sheriff while (count-- > 0) { 868096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriff if (property_get(supplicant_prop_name, supp_status, NULL)) { 8695a8a2d2b130644f0f4abad8586f0a245e4c15be8Irfan Sheriff if (strcmp(supp_status, "stopped") == 0) 8705a8a2d2b130644f0f4abad8586f0a245e4c15be8Irfan Sheriff return; 8715a8a2d2b130644f0f4abad8586f0a245e4c15be8Irfan Sheriff } 8725a8a2d2b130644f0f4abad8586f0a245e4c15be8Irfan Sheriff usleep(100000); 8735a8a2d2b130644f0f4abad8586f0a245e4c15be8Irfan Sheriff } 874cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project} 875cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project 876da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriffint wifi_command(const char *ifname, const char *command, char *reply, size_t *reply_len) 877cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project{ 878da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff if (is_primary_interface(ifname)) { 879da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff return wifi_send_command(PRIMARY, command, reply, reply_len); 880da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff } else { 881da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff return wifi_send_command(SECONDARY, command, reply, reply_len); 882da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff } 883cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project} 8844b7ffa08be8d58932841c52ce253ae6ca886a4f2Dmitry Shmidt 8854b7ffa08be8d58932841c52ce253ae6ca886a4f2Dmitry Shmidtconst char *wifi_get_fw_path(int fw_type) 8864b7ffa08be8d58932841c52ce253ae6ca886a4f2Dmitry Shmidt{ 8874b7ffa08be8d58932841c52ce253ae6ca886a4f2Dmitry Shmidt switch (fw_type) { 8884b7ffa08be8d58932841c52ce253ae6ca886a4f2Dmitry Shmidt case WIFI_GET_FW_PATH_STA: 8894b7ffa08be8d58932841c52ce253ae6ca886a4f2Dmitry Shmidt return WIFI_DRIVER_FW_PATH_STA; 8904b7ffa08be8d58932841c52ce253ae6ca886a4f2Dmitry Shmidt case WIFI_GET_FW_PATH_AP: 8914b7ffa08be8d58932841c52ce253ae6ca886a4f2Dmitry Shmidt return WIFI_DRIVER_FW_PATH_AP; 8924b7ffa08be8d58932841c52ce253ae6ca886a4f2Dmitry Shmidt case WIFI_GET_FW_PATH_P2P: 8934b7ffa08be8d58932841c52ce253ae6ca886a4f2Dmitry Shmidt return WIFI_DRIVER_FW_PATH_P2P; 8944b7ffa08be8d58932841c52ce253ae6ca886a4f2Dmitry Shmidt } 8954b7ffa08be8d58932841c52ce253ae6ca886a4f2Dmitry Shmidt return NULL; 8964b7ffa08be8d58932841c52ce253ae6ca886a4f2Dmitry Shmidt} 89729a4d4d74b512e450a7d2ae97d4222c24a13b87eDmitry Shmidt 89829a4d4d74b512e450a7d2ae97d4222c24a13b87eDmitry Shmidtint wifi_change_fw_path(const char *fwpath) 89929a4d4d74b512e450a7d2ae97d4222c24a13b87eDmitry Shmidt{ 90029a4d4d74b512e450a7d2ae97d4222c24a13b87eDmitry Shmidt int len; 90129a4d4d74b512e450a7d2ae97d4222c24a13b87eDmitry Shmidt int fd; 90229a4d4d74b512e450a7d2ae97d4222c24a13b87eDmitry Shmidt int ret = 0; 90329a4d4d74b512e450a7d2ae97d4222c24a13b87eDmitry Shmidt 90429a4d4d74b512e450a7d2ae97d4222c24a13b87eDmitry Shmidt if (!fwpath) 90529a4d4d74b512e450a7d2ae97d4222c24a13b87eDmitry Shmidt return ret; 906cf449e140874e4f57f120a88411c7b642172ecf2Kenny Root fd = TEMP_FAILURE_RETRY(open(WIFI_DRIVER_FW_PATH_PARAM, O_WRONLY)); 90729a4d4d74b512e450a7d2ae97d4222c24a13b87eDmitry Shmidt if (fd < 0) { 9085efbd421e0029d6fc44b1cc65c0e5e0d85e5161fSteve Block ALOGE("Failed to open wlan fw path param (%s)", strerror(errno)); 90929a4d4d74b512e450a7d2ae97d4222c24a13b87eDmitry Shmidt return -1; 91029a4d4d74b512e450a7d2ae97d4222c24a13b87eDmitry Shmidt } 91129a4d4d74b512e450a7d2ae97d4222c24a13b87eDmitry Shmidt len = strlen(fwpath) + 1; 912cf449e140874e4f57f120a88411c7b642172ecf2Kenny Root if (TEMP_FAILURE_RETRY(write(fd, fwpath, len)) != len) { 9135efbd421e0029d6fc44b1cc65c0e5e0d85e5161fSteve Block ALOGE("Failed to write wlan fw path param (%s)", strerror(errno)); 91429a4d4d74b512e450a7d2ae97d4222c24a13b87eDmitry Shmidt ret = -1; 91529a4d4d74b512e450a7d2ae97d4222c24a13b87eDmitry Shmidt } 91629a4d4d74b512e450a7d2ae97d4222c24a13b87eDmitry Shmidt close(fd); 91729a4d4d74b512e450a7d2ae97d4222c24a13b87eDmitry Shmidt return ret; 91829a4d4d74b512e450a7d2ae97d4222c24a13b87eDmitry Shmidt} 919