wifi.c revision 2c52037dd46f066be122b0520b265d55eb4e0470
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; 34567ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff 34667ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff if (stat(config_file, &sb) != 0) 34767ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff return -1; 34867ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff 34967ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff pbuf = malloc(sb.st_size + PROPERTY_VALUE_MAX); 35067ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff if (!pbuf) 35167ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff return 0; 352cf449e140874e4f57f120a88411c7b642172ecf2Kenny Root srcfd = TEMP_FAILURE_RETRY(open(config_file, O_RDONLY)); 35367ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff if (srcfd < 0) { 3545efbd421e0029d6fc44b1cc65c0e5e0d85e5161fSteve Block ALOGE("Cannot open \"%s\": %s", config_file, strerror(errno)); 35567ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff free(pbuf); 35667ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff return 0; 35767ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff } 358cf449e140874e4f57f120a88411c7b642172ecf2Kenny Root nread = TEMP_FAILURE_RETRY(read(srcfd, pbuf, sb.st_size)); 35967ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff close(srcfd); 36067ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff if (nread < 0) { 3615efbd421e0029d6fc44b1cc65c0e5e0d85e5161fSteve Block ALOGE("Cannot read \"%s\": %s", config_file, strerror(errno)); 36267ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff free(pbuf); 36367ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff return 0; 36467ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff } 36567ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff 36667ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff if (!strcmp(config_file, SUPP_CONFIG_FILE)) { 36767ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff property_get("wifi.interface", ifc, WIFI_TEST_INTERFACE); 36867ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff } else { 36967ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff strcpy(ifc, CONTROL_IFACE_PATH); 37067ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff } 37124ffafedc87d05611703deb62e25d71684e0723ePaul Drews /* 37224ffafedc87d05611703deb62e25d71684e0723ePaul Drews * if there is a "ctrl_interface=<value>" entry, re-write it ONLY if it is 37324ffafedc87d05611703deb62e25d71684e0723ePaul Drews * NOT a directory. The non-directory value option is an Android add-on 37424ffafedc87d05611703deb62e25d71684e0723ePaul Drews * that allows the control interface to be exchanged through an environment 37524ffafedc87d05611703deb62e25d71684e0723ePaul Drews * variable (initialized by the "init" program when it starts a service 37624ffafedc87d05611703deb62e25d71684e0723ePaul Drews * with a "socket" option). 37724ffafedc87d05611703deb62e25d71684e0723ePaul Drews * 37824ffafedc87d05611703deb62e25d71684e0723ePaul Drews * The <value> is deemed to be a directory if the "DIR=" form is used or 37924ffafedc87d05611703deb62e25d71684e0723ePaul Drews * the value begins with "/". 38024ffafedc87d05611703deb62e25d71684e0723ePaul Drews */ 38124ffafedc87d05611703deb62e25d71684e0723ePaul Drews if ((sptr = strstr(pbuf, "ctrl_interface=")) && 38224ffafedc87d05611703deb62e25d71684e0723ePaul Drews (!strstr(pbuf, "ctrl_interface=DIR=")) && 38324ffafedc87d05611703deb62e25d71684e0723ePaul Drews (!strstr(pbuf, "ctrl_interface=/"))) { 38467ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff char *iptr = sptr + strlen("ctrl_interface="); 38567ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff int ilen = 0; 38667ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff int mlen = strlen(ifc); 38767ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff int nwrite; 38867ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff if (strncmp(ifc, iptr, mlen) != 0) { 3895efbd421e0029d6fc44b1cc65c0e5e0d85e5161fSteve Block ALOGE("ctrl_interface != %s", ifc); 39067ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff while (((ilen + (iptr - pbuf)) < nread) && (iptr[ilen] != '\n')) 39167ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff ilen++; 39267ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff mlen = ((ilen >= mlen) ? ilen : mlen) + 1; 39367ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff memmove(iptr + mlen, iptr + ilen + 1, nread - (iptr + ilen + 1 - pbuf)); 39467ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff memset(iptr, '\n', mlen); 39567ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff memcpy(iptr, ifc, strlen(ifc)); 396cf449e140874e4f57f120a88411c7b642172ecf2Kenny Root destfd = TEMP_FAILURE_RETRY(open(config_file, O_RDWR, 0660)); 39767ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff if (destfd < 0) { 3985efbd421e0029d6fc44b1cc65c0e5e0d85e5161fSteve Block ALOGE("Cannot update \"%s\": %s", config_file, strerror(errno)); 39967ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff free(pbuf); 40067ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff return -1; 40167ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff } 402cf449e140874e4f57f120a88411c7b642172ecf2Kenny Root TEMP_FAILURE_RETRY(write(destfd, pbuf, nread + mlen - ilen -1)); 40367ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff close(destfd); 40467ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff } 40567ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff } 40667ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff free(pbuf); 40767ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff return 0; 40867ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff} 40967ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff 41067ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriffint ensure_config_file_exists(const char *config_file) 41167ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff{ 41267ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff char buf[2048]; 413cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project int srcfd, destfd; 4148a5b197b3d5878e3f1cf49c9c38c090456107e87Irfan Sheriff struct stat sb; 415cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project int nread; 41689ae703cd6d4b2bc86c4bd281a8e460fd5679891Dmitry Shmidt int ret; 417cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project 41867ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff ret = access(config_file, R_OK|W_OK); 41989ae703cd6d4b2bc86c4bd281a8e460fd5679891Dmitry Shmidt if ((ret == 0) || (errno == EACCES)) { 42089ae703cd6d4b2bc86c4bd281a8e460fd5679891Dmitry Shmidt if ((ret != 0) && 42167ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff (chmod(config_file, S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP) != 0)) { 4225efbd421e0029d6fc44b1cc65c0e5e0d85e5161fSteve Block ALOGE("Cannot set RW to \"%s\": %s", config_file, strerror(errno)); 42389ae703cd6d4b2bc86c4bd281a8e460fd5679891Dmitry Shmidt return -1; 42489ae703cd6d4b2bc86c4bd281a8e460fd5679891Dmitry Shmidt } 4250e9f488e672abf0d14580261998cfd9c7211c112Dmitry Shmidt /* return if filesize is at least 10 bytes */ 42667ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff if (stat(config_file, &sb) == 0 && sb.st_size > 10) { 42767ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff return update_ctrl_interface(config_file); 4288a5b197b3d5878e3f1cf49c9c38c090456107e87Irfan Sheriff } 429cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project } else if (errno != ENOENT) { 4305efbd421e0029d6fc44b1cc65c0e5e0d85e5161fSteve Block ALOGE("Cannot access \"%s\": %s", config_file, strerror(errno)); 431cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project return -1; 432cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project } 433cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project 434cf449e140874e4f57f120a88411c7b642172ecf2Kenny Root srcfd = TEMP_FAILURE_RETRY(open(SUPP_CONFIG_TEMPLATE, O_RDONLY)); 435cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project if (srcfd < 0) { 4365efbd421e0029d6fc44b1cc65c0e5e0d85e5161fSteve Block ALOGE("Cannot open \"%s\": %s", SUPP_CONFIG_TEMPLATE, strerror(errno)); 437cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project return -1; 438cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project } 439cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project 440cf449e140874e4f57f120a88411c7b642172ecf2Kenny Root destfd = TEMP_FAILURE_RETRY(open(config_file, O_CREAT|O_RDWR, 0660)); 441cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project if (destfd < 0) { 442cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project close(srcfd); 4435efbd421e0029d6fc44b1cc65c0e5e0d85e5161fSteve Block ALOGE("Cannot create \"%s\": %s", config_file, strerror(errno)); 444cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project return -1; 445cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project } 446cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project 447cf449e140874e4f57f120a88411c7b642172ecf2Kenny Root while ((nread = TEMP_FAILURE_RETRY(read(srcfd, buf, sizeof(buf)))) != 0) { 448cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project if (nread < 0) { 4495efbd421e0029d6fc44b1cc65c0e5e0d85e5161fSteve Block ALOGE("Error reading \"%s\": %s", SUPP_CONFIG_TEMPLATE, strerror(errno)); 450cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project close(srcfd); 451cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project close(destfd); 45267ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff unlink(config_file); 453cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project return -1; 454cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project } 455cf449e140874e4f57f120a88411c7b642172ecf2Kenny Root TEMP_FAILURE_RETRY(write(destfd, buf, nread)); 456cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project } 457cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project 458cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project close(destfd); 459cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project close(srcfd); 460cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project 46124bf7fc4e02b552650f299d16303eca0825dd8c8Dmitry Shmidt /* chmod is needed because open() didn't set permisions properly */ 46267ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff if (chmod(config_file, 0660) < 0) { 4635efbd421e0029d6fc44b1cc65c0e5e0d85e5161fSteve Block ALOGE("Error changing permissions of %s to 0660: %s", 46467ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff config_file, strerror(errno)); 46567ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff unlink(config_file); 46624bf7fc4e02b552650f299d16303eca0825dd8c8Dmitry Shmidt return -1; 46724bf7fc4e02b552650f299d16303eca0825dd8c8Dmitry Shmidt } 46824bf7fc4e02b552650f299d16303eca0825dd8c8Dmitry Shmidt 46967ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff if (chown(config_file, AID_SYSTEM, AID_WIFI) < 0) { 4705efbd421e0029d6fc44b1cc65c0e5e0d85e5161fSteve Block ALOGE("Error changing group ownership of %s to %d: %s", 47167ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff config_file, AID_WIFI, strerror(errno)); 47267ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff unlink(config_file); 473cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project return -1; 474cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project } 47567ba2276b9a5232685e14d416fea0b1250515594Irfan Sheriff return update_ctrl_interface(config_file); 476cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project} 477cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project 478eea19f1d855b9434313fbb9447a23caf8123aa58Dmitry Shmidt/** 479eea19f1d855b9434313fbb9447a23caf8123aa58Dmitry Shmidt * wifi_wpa_ctrl_cleanup() - Delete any local UNIX domain socket files that 480eea19f1d855b9434313fbb9447a23caf8123aa58Dmitry Shmidt * may be left over from clients that were previously connected to 481eea19f1d855b9434313fbb9447a23caf8123aa58Dmitry Shmidt * wpa_supplicant. This keeps these files from being orphaned in the 482eea19f1d855b9434313fbb9447a23caf8123aa58Dmitry Shmidt * event of crashes that prevented them from being removed as part 483eea19f1d855b9434313fbb9447a23caf8123aa58Dmitry Shmidt * of the normal orderly shutdown. 484eea19f1d855b9434313fbb9447a23caf8123aa58Dmitry Shmidt */ 485eea19f1d855b9434313fbb9447a23caf8123aa58Dmitry Shmidtvoid wifi_wpa_ctrl_cleanup(void) 486eea19f1d855b9434313fbb9447a23caf8123aa58Dmitry Shmidt{ 487eea19f1d855b9434313fbb9447a23caf8123aa58Dmitry Shmidt DIR *dir; 488eea19f1d855b9434313fbb9447a23caf8123aa58Dmitry Shmidt struct dirent entry; 489eea19f1d855b9434313fbb9447a23caf8123aa58Dmitry Shmidt struct dirent *result; 490eea19f1d855b9434313fbb9447a23caf8123aa58Dmitry Shmidt size_t dirnamelen; 491eea19f1d855b9434313fbb9447a23caf8123aa58Dmitry Shmidt size_t maxcopy; 492eea19f1d855b9434313fbb9447a23caf8123aa58Dmitry Shmidt char pathname[PATH_MAX]; 493eea19f1d855b9434313fbb9447a23caf8123aa58Dmitry Shmidt char *namep; 494eea19f1d855b9434313fbb9447a23caf8123aa58Dmitry Shmidt char *local_socket_dir = CONFIG_CTRL_IFACE_CLIENT_DIR; 495eea19f1d855b9434313fbb9447a23caf8123aa58Dmitry Shmidt char *local_socket_prefix = CONFIG_CTRL_IFACE_CLIENT_PREFIX; 496eea19f1d855b9434313fbb9447a23caf8123aa58Dmitry Shmidt 497eea19f1d855b9434313fbb9447a23caf8123aa58Dmitry Shmidt if ((dir = opendir(local_socket_dir)) == NULL) 498eea19f1d855b9434313fbb9447a23caf8123aa58Dmitry Shmidt return; 499eea19f1d855b9434313fbb9447a23caf8123aa58Dmitry Shmidt 500eea19f1d855b9434313fbb9447a23caf8123aa58Dmitry Shmidt dirnamelen = (size_t)snprintf(pathname, sizeof(pathname), "%s/", local_socket_dir); 501eea19f1d855b9434313fbb9447a23caf8123aa58Dmitry Shmidt if (dirnamelen >= sizeof(pathname)) { 502eea19f1d855b9434313fbb9447a23caf8123aa58Dmitry Shmidt closedir(dir); 503eea19f1d855b9434313fbb9447a23caf8123aa58Dmitry Shmidt return; 504eea19f1d855b9434313fbb9447a23caf8123aa58Dmitry Shmidt } 505eea19f1d855b9434313fbb9447a23caf8123aa58Dmitry Shmidt namep = pathname + dirnamelen; 506eea19f1d855b9434313fbb9447a23caf8123aa58Dmitry Shmidt maxcopy = PATH_MAX - dirnamelen; 507eea19f1d855b9434313fbb9447a23caf8123aa58Dmitry Shmidt while (readdir_r(dir, &entry, &result) == 0 && result != NULL) { 508eea19f1d855b9434313fbb9447a23caf8123aa58Dmitry Shmidt if (strncmp(entry.d_name, local_socket_prefix, strlen(local_socket_prefix)) == 0) { 509eea19f1d855b9434313fbb9447a23caf8123aa58Dmitry Shmidt if (strlcpy(namep, entry.d_name, maxcopy) < maxcopy) { 510eea19f1d855b9434313fbb9447a23caf8123aa58Dmitry Shmidt unlink(pathname); 511eea19f1d855b9434313fbb9447a23caf8123aa58Dmitry Shmidt } 512eea19f1d855b9434313fbb9447a23caf8123aa58Dmitry Shmidt } 513eea19f1d855b9434313fbb9447a23caf8123aa58Dmitry Shmidt } 514eea19f1d855b9434313fbb9447a23caf8123aa58Dmitry Shmidt closedir(dir); 515eea19f1d855b9434313fbb9447a23caf8123aa58Dmitry Shmidt} 516eea19f1d855b9434313fbb9447a23caf8123aa58Dmitry Shmidt 517096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriffint wifi_start_supplicant(int p2p_supported) 518cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project{ 519cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project char supp_status[PROPERTY_VALUE_MAX] = {'\0'}; 520cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project int count = 200; /* wait at most 20 seconds for completion */ 521cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project#ifdef HAVE_LIBC_SYSTEM_PROPERTIES 522cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project const prop_info *pi; 523da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff unsigned serial = 0, i; 524cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project#endif 525cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project 526096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriff if (p2p_supported) { 527096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriff strcpy(supplicant_name, P2P_SUPPLICANT_NAME); 528096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriff strcpy(supplicant_prop_name, P2P_PROP_NAME); 529096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriff 530096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriff /* Ensure p2p config file is created */ 531096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriff if (ensure_config_file_exists(P2P_CONFIG_FILE) < 0) { 532096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriff ALOGE("Failed to create a p2p config file"); 533096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriff return -1; 534096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriff } 535096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriff 536096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriff } else { 537096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriff strcpy(supplicant_name, SUPPLICANT_NAME); 538096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriff strcpy(supplicant_prop_name, SUPP_PROP_NAME); 539096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriff } 540096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriff 541cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project /* Check whether already running */ 542096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriff if (property_get(supplicant_name, supp_status, NULL) 543cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project && strcmp(supp_status, "running") == 0) { 544cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project return 0; 545cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project } 546cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project 547cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project /* Before starting the daemon, make sure its config file exists */ 548096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriff if (ensure_config_file_exists(SUPP_CONFIG_FILE) < 0) { 5495efbd421e0029d6fc44b1cc65c0e5e0d85e5161fSteve Block ALOGE("Wi-Fi will not be enabled"); 550cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project return -1; 551cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project } 552cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project 5533ab3e6696757541c098a251981c074fc980f4dc7Dmitry Shmidt if (ensure_entropy_file_exists() < 0) { 5545efbd421e0029d6fc44b1cc65c0e5e0d85e5161fSteve Block ALOGE("Wi-Fi entropy file was not created"); 5553ab3e6696757541c098a251981c074fc980f4dc7Dmitry Shmidt } 5563ab3e6696757541c098a251981c074fc980f4dc7Dmitry Shmidt 557cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project /* Clear out any stale socket files that might be left over. */ 558eea19f1d855b9434313fbb9447a23caf8123aa58Dmitry Shmidt wifi_wpa_ctrl_cleanup(); 559cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project 560da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff /* Reset sockets used for exiting from hung state */ 561da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff for (i=0; i<MAX_CONNS; i++) { 562da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff exit_sockets[i][0] = exit_sockets[i][1] = -1; 563da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff } 564da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff 565cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project#ifdef HAVE_LIBC_SYSTEM_PROPERTIES 566cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project /* 567cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project * Get a reference to the status property, so we can distinguish 568cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project * the case where it goes stopped => running => stopped (i.e., 569cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project * it start up, but fails right away) from the case in which 570cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project * it starts in the stopped state and never manages to start 571cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project * running at all. 572cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project */ 573096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriff pi = __system_property_find(supplicant_prop_name); 574cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project if (pi != NULL) { 575cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project serial = pi->serial; 576cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project } 577cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project#endif 578da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff property_get("wifi.interface", primary_iface, WIFI_TEST_INTERFACE); 579096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriff 580096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriff property_set("ctl.start", supplicant_name); 581cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project sched_yield(); 582cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project 583cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project while (count-- > 0) { 584007404c68f5cf6328e30b6d0edac3fd52ef36abbDmitry Shmidt#ifdef HAVE_LIBC_SYSTEM_PROPERTIES 585cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project if (pi == NULL) { 586096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriff pi = __system_property_find(supplicant_prop_name); 587cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project } 588cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project if (pi != NULL) { 589cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project __system_property_read(pi, NULL, supp_status); 590cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project if (strcmp(supp_status, "running") == 0) { 591cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project return 0; 592cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project } else if (pi->serial != serial && 593cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project strcmp(supp_status, "stopped") == 0) { 594cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project return -1; 595cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project } 596cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project } 597cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project#else 598096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriff if (property_get(supplicant_prop_name, supp_status, NULL)) { 599cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project if (strcmp(supp_status, "running") == 0) 600cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project return 0; 601cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project } 602cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project#endif 603cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project usleep(100000); 604cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project } 605cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project return -1; 606cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project} 607cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project 608745e7fd4e09db2b47371338ee54c54255e286473Irfan Sheriffint wifi_stop_supplicant(int p2p_supported) 609cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project{ 610cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project char supp_status[PROPERTY_VALUE_MAX] = {'\0'}; 611cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project int count = 50; /* wait at most 5 seconds for completion */ 612cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project 613745e7fd4e09db2b47371338ee54c54255e286473Irfan Sheriff if (p2p_supported) { 614745e7fd4e09db2b47371338ee54c54255e286473Irfan Sheriff strcpy(supplicant_name, P2P_SUPPLICANT_NAME); 615745e7fd4e09db2b47371338ee54c54255e286473Irfan Sheriff strcpy(supplicant_prop_name, P2P_PROP_NAME); 616745e7fd4e09db2b47371338ee54c54255e286473Irfan Sheriff } else { 617745e7fd4e09db2b47371338ee54c54255e286473Irfan Sheriff strcpy(supplicant_name, SUPPLICANT_NAME); 618745e7fd4e09db2b47371338ee54c54255e286473Irfan Sheriff strcpy(supplicant_prop_name, SUPP_PROP_NAME); 619745e7fd4e09db2b47371338ee54c54255e286473Irfan Sheriff } 620745e7fd4e09db2b47371338ee54c54255e286473Irfan Sheriff 621cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project /* Check whether supplicant already stopped */ 622096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriff if (property_get(supplicant_prop_name, supp_status, NULL) 623cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project && strcmp(supp_status, "stopped") == 0) { 624cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project return 0; 625cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project } 626cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project 627096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriff property_set("ctl.stop", supplicant_name); 628cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project sched_yield(); 629cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project 630cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project while (count-- > 0) { 631096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriff if (property_get(supplicant_prop_name, supp_status, NULL)) { 632cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project if (strcmp(supp_status, "stopped") == 0) 633cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project return 0; 634cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project } 635cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project usleep(100000); 636cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project } 637745e7fd4e09db2b47371338ee54c54255e286473Irfan Sheriff ALOGE("Failed to stop supplicant"); 638cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project return -1; 639cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project} 640cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project 641da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriffint wifi_connect_on_socket_path(int index, const char *path) 642cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project{ 643cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project char supp_status[PROPERTY_VALUE_MAX] = {'\0'}; 644cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project 645cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project /* Make sure supplicant is running */ 646096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriff if (!property_get(supplicant_prop_name, supp_status, NULL) 647cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project || strcmp(supp_status, "running") != 0) { 6485efbd421e0029d6fc44b1cc65c0e5e0d85e5161fSteve Block ALOGE("Supplicant not running, cannot connect"); 649cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project return -1; 650cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project } 651cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project 652da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff ctrl_conn[index] = wpa_ctrl_open(path); 653da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff if (ctrl_conn[index] == NULL) { 6545efbd421e0029d6fc44b1cc65c0e5e0d85e5161fSteve Block ALOGE("Unable to open connection to supplicant on \"%s\": %s", 655da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff path, strerror(errno)); 656cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project return -1; 657cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project } 658da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff monitor_conn[index] = wpa_ctrl_open(path); 659da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff if (monitor_conn[index] == NULL) { 660da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff wpa_ctrl_close(ctrl_conn[index]); 661da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff ctrl_conn[index] = NULL; 662cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project return -1; 663cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project } 664da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff if (wpa_ctrl_attach(monitor_conn[index]) != 0) { 665da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff wpa_ctrl_close(monitor_conn[index]); 666da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff wpa_ctrl_close(ctrl_conn[index]); 667da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff ctrl_conn[index] = monitor_conn[index] = NULL; 668cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project return -1; 669cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project } 670025321a09dbe7820870125acf771e1da02684605Irfan Sheriff 671da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff if (socketpair(AF_UNIX, SOCK_STREAM, 0, exit_sockets[index]) == -1) { 672da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff wpa_ctrl_close(monitor_conn[index]); 673da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff wpa_ctrl_close(ctrl_conn[index]); 674da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff ctrl_conn[index] = monitor_conn[index] = NULL; 675025321a09dbe7820870125acf771e1da02684605Irfan Sheriff return -1; 676025321a09dbe7820870125acf771e1da02684605Irfan Sheriff } 677025321a09dbe7820870125acf771e1da02684605Irfan Sheriff 678cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project return 0; 679cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project} 680cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project 681da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff/* Establishes the control and monitor socket connections on the interface */ 682da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriffint wifi_connect_to_supplicant(const char *ifname) 683da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff{ 684da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff char path[256]; 685da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff 686da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff if (is_primary_interface(ifname)) { 687da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff if (access(IFACE_DIR, F_OK) == 0) { 688da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff snprintf(path, sizeof(path), "%s/%s", IFACE_DIR, primary_iface); 689da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff } else { 690da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff strlcpy(path, primary_iface, sizeof(path)); 691da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff } 692da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff return wifi_connect_on_socket_path(PRIMARY, path); 693da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff } else { 694da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff sprintf(path, "%s/%s", CONTROL_IFACE_PATH, ifname); 695da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff return wifi_connect_on_socket_path(SECONDARY, path); 696da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff } 697da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff} 698da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff 699da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriffint wifi_send_command(int index, const char *cmd, char *reply, size_t *reply_len) 700cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project{ 701cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project int ret; 702cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project 703da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff if (ctrl_conn[index] == NULL) { 7046a70518b93928d1c91457ff805e375c82d76b0e5Steve Block ALOGV("Not connected to wpa_supplicant - \"%s\" command dropped.\n", cmd); 705cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project return -1; 706cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project } 707da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff ret = wpa_ctrl_request(ctrl_conn[index], cmd, strlen(cmd), reply, reply_len, NULL); 708cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project if (ret == -2) { 709b381b932acfa441da5607f37ac4ef6573ed5be96Steve Block ALOGD("'%s' command timed out.\n", cmd); 710025321a09dbe7820870125acf771e1da02684605Irfan Sheriff /* unblocks the monitor receive socket for termination */ 711cf449e140874e4f57f120a88411c7b642172ecf2Kenny Root TEMP_FAILURE_RETRY(write(exit_sockets[index][0], "T", 1)); 712cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project return -2; 713cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project } else if (ret < 0 || strncmp(reply, "FAIL", 4) == 0) { 714cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project return -1; 715cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project } 716cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project if (strncmp(cmd, "PING", 4) == 0) { 717cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project reply[*reply_len] = '\0'; 718cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project } 719cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project return 0; 720cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project} 721cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project 722da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriffint wifi_ctrl_recv(int index, char *reply, size_t *reply_len) 723025321a09dbe7820870125acf771e1da02684605Irfan Sheriff{ 724025321a09dbe7820870125acf771e1da02684605Irfan Sheriff int res; 725c6e7b3d9e65c18df980d181ee4cf2deedab89169Irfan Sheriff int ctrlfd = wpa_ctrl_get_fd(monitor_conn[index]); 72645bf8a6f0bbf148ca5a1a626ab1c5c38a0855e13Dmitry Shmidt struct pollfd rfds[2]; 72745bf8a6f0bbf148ca5a1a626ab1c5c38a0855e13Dmitry Shmidt 72845bf8a6f0bbf148ca5a1a626ab1c5c38a0855e13Dmitry Shmidt memset(rfds, 0, 2 * sizeof(struct pollfd)); 72945bf8a6f0bbf148ca5a1a626ab1c5c38a0855e13Dmitry Shmidt rfds[0].fd = ctrlfd; 73045bf8a6f0bbf148ca5a1a626ab1c5c38a0855e13Dmitry Shmidt rfds[0].events |= POLLIN; 731da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff rfds[1].fd = exit_sockets[index][1]; 73245bf8a6f0bbf148ca5a1a626ab1c5c38a0855e13Dmitry Shmidt rfds[1].events |= POLLIN; 733cf449e140874e4f57f120a88411c7b642172ecf2Kenny Root res = TEMP_FAILURE_RETRY(poll(rfds, 2, -1)); 73445bf8a6f0bbf148ca5a1a626ab1c5c38a0855e13Dmitry Shmidt if (res < 0) { 7355efbd421e0029d6fc44b1cc65c0e5e0d85e5161fSteve Block ALOGE("Error poll = %d", res); 736025321a09dbe7820870125acf771e1da02684605Irfan Sheriff return res; 73745bf8a6f0bbf148ca5a1a626ab1c5c38a0855e13Dmitry Shmidt } 73845bf8a6f0bbf148ca5a1a626ab1c5c38a0855e13Dmitry Shmidt if (rfds[0].revents & POLLIN) { 739da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff return wpa_ctrl_recv(monitor_conn[index], reply, reply_len); 740897f6dd64224d22c22c8f7a497331bf5bc335e4cIrfan Sheriff } else if (rfds[1].revents & POLLIN) { 741943574a822af6dfa32ad94c9f65caa79c5c6ca02Irfan Sheriff /* Close only the p2p sockets on receive side 742943574a822af6dfa32ad94c9f65caa79c5c6ca02Irfan Sheriff * see wifi_close_supplicant_connection() 743943574a822af6dfa32ad94c9f65caa79c5c6ca02Irfan Sheriff */ 744943574a822af6dfa32ad94c9f65caa79c5c6ca02Irfan Sheriff if (index == SECONDARY) { 745943574a822af6dfa32ad94c9f65caa79c5c6ca02Irfan Sheriff ALOGD("close sockets %d", index); 746943574a822af6dfa32ad94c9f65caa79c5c6ca02Irfan Sheriff wifi_close_sockets(index); 747943574a822af6dfa32ad94c9f65caa79c5c6ca02Irfan Sheriff } 748025321a09dbe7820870125acf771e1da02684605Irfan Sheriff } 749897f6dd64224d22c22c8f7a497331bf5bc335e4cIrfan Sheriff return -2; 750025321a09dbe7820870125acf771e1da02684605Irfan Sheriff} 751025321a09dbe7820870125acf771e1da02684605Irfan Sheriff 752da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriffint wifi_wait_on_socket(int index, char *buf, size_t buflen) 753cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project{ 754cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project size_t nread = buflen - 1; 755cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project int result; 7560e9f488e672abf0d14580261998cfd9c7211c112Dmitry Shmidt 757da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff if (monitor_conn[index] == NULL) { 758b381b932acfa441da5607f37ac4ef6573ed5be96Steve Block ALOGD("Connection closed\n"); 7592631f993753d726c8c6a85ab66a83db79e54f0bbIrfan Sheriff strncpy(buf, WPA_EVENT_TERMINATING " - connection closed", buflen-1); 7602631f993753d726c8c6a85ab66a83db79e54f0bbIrfan Sheriff buf[buflen-1] = '\0'; 7612631f993753d726c8c6a85ab66a83db79e54f0bbIrfan Sheriff return strlen(buf); 7622631f993753d726c8c6a85ab66a83db79e54f0bbIrfan Sheriff } 763cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project 764da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff result = wifi_ctrl_recv(index, buf, &nread); 765096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriff 766096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriff /* Terminate reception on exit socket */ 767096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriff if (result == -2) { 768096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriff strncpy(buf, WPA_EVENT_TERMINATING " - connection closed", buflen-1); 769096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriff buf[buflen-1] = '\0'; 770096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriff return strlen(buf); 771096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriff } 772096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriff 773cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project if (result < 0) { 774b381b932acfa441da5607f37ac4ef6573ed5be96Steve Block ALOGD("wifi_ctrl_recv failed: %s\n", strerror(errno)); 7752631f993753d726c8c6a85ab66a83db79e54f0bbIrfan Sheriff strncpy(buf, WPA_EVENT_TERMINATING " - recv error", buflen-1); 7762631f993753d726c8c6a85ab66a83db79e54f0bbIrfan Sheriff buf[buflen-1] = '\0'; 7772631f993753d726c8c6a85ab66a83db79e54f0bbIrfan Sheriff return strlen(buf); 778cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project } 779cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project buf[nread] = '\0'; 780cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project /* Check for EOF on the socket */ 781cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project if (result == 0 && nread == 0) { 782cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project /* Fabricate an event to pass up */ 783b381b932acfa441da5607f37ac4ef6573ed5be96Steve Block ALOGD("Received EOF on supplicant socket\n"); 784cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project strncpy(buf, WPA_EVENT_TERMINATING " - signal 0 received", buflen-1); 785cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project buf[buflen-1] = '\0'; 786cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project return strlen(buf); 787cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project } 788cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project /* 789cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project * Events strings are in the format 790cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project * 791cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project * <N>CTRL-EVENT-XXX 792cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project * 793cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project * where N is the message level in numerical form (0=VERBOSE, 1=DEBUG, 794cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project * etc.) and XXX is the event name. The level information is not useful 795cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project * to us, so strip it off. 796cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project */ 797cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project if (buf[0] == '<') { 798cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project char *match = strchr(buf, '>'); 799cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project if (match != NULL) { 800cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project nread -= (match+1-buf); 801cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project memmove(buf, match+1, nread+1); 802cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project } 803cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project } 804096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriff 805cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project return nread; 806cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project} 807cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project 808da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriffint wifi_wait_for_event(const char *ifname, char *buf, size_t buflen) 809cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project{ 810da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff if (is_primary_interface(ifname)) { 811da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff return wifi_wait_on_socket(PRIMARY, buf, buflen); 812da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff } else { 813da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff return wifi_wait_on_socket(SECONDARY, buf, buflen); 814da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff } 815da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff} 8165a8a2d2b130644f0f4abad8586f0a245e4c15be8Irfan Sheriff 817da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriffvoid wifi_close_sockets(int index) 818da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff{ 819da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff if (ctrl_conn[index] != NULL) { 820da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff wpa_ctrl_close(ctrl_conn[index]); 821da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff ctrl_conn[index] = NULL; 822cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project } 823da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff 824da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff if (monitor_conn[index] != NULL) { 825da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff wpa_ctrl_close(monitor_conn[index]); 826da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff monitor_conn[index] = NULL; 827da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff } 828da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff 829da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff if (exit_sockets[index][0] >= 0) { 830da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff close(exit_sockets[index][0]); 831da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff exit_sockets[index][0] = -1; 832cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project } 8335a8a2d2b130644f0f4abad8586f0a245e4c15be8Irfan Sheriff 834da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff if (exit_sockets[index][1] >= 0) { 835da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff close(exit_sockets[index][1]); 836da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff exit_sockets[index][1] = -1; 837025321a09dbe7820870125acf771e1da02684605Irfan Sheriff } 838da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff} 839da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff 840da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriffvoid wifi_close_supplicant_connection(const char *ifname) 841da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff{ 842da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff char supp_status[PROPERTY_VALUE_MAX] = {'\0'}; 843da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff int count = 50; /* wait at most 5 seconds to ensure init has stopped stupplicant */ 844025321a09dbe7820870125acf771e1da02684605Irfan Sheriff 845da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff if (is_primary_interface(ifname)) { 846da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff wifi_close_sockets(PRIMARY); 847da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff } else { 848096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriff /* p2p socket termination needs unblocking the monitor socket 849096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriff * STA connection does not need it since supplicant gets shutdown 850096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriff */ 851cf449e140874e4f57f120a88411c7b642172ecf2Kenny Root TEMP_FAILURE_RETRY(write(exit_sockets[SECONDARY][0], "T", 1)); 852897f6dd64224d22c22c8f7a497331bf5bc335e4cIrfan Sheriff /* p2p sockets are closed after the monitor thread 853897f6dd64224d22c22c8f7a497331bf5bc335e4cIrfan Sheriff * receives the terminate on the exit socket 854897f6dd64224d22c22c8f7a497331bf5bc335e4cIrfan Sheriff */ 855da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff return; 856025321a09dbe7820870125acf771e1da02684605Irfan Sheriff } 857025321a09dbe7820870125acf771e1da02684605Irfan Sheriff 8585a8a2d2b130644f0f4abad8586f0a245e4c15be8Irfan Sheriff while (count-- > 0) { 859096e49c869cdb297f1ea99289ae44c2a0e487fcfIrfan Sheriff if (property_get(supplicant_prop_name, supp_status, NULL)) { 8605a8a2d2b130644f0f4abad8586f0a245e4c15be8Irfan Sheriff if (strcmp(supp_status, "stopped") == 0) 8615a8a2d2b130644f0f4abad8586f0a245e4c15be8Irfan Sheriff return; 8625a8a2d2b130644f0f4abad8586f0a245e4c15be8Irfan Sheriff } 8635a8a2d2b130644f0f4abad8586f0a245e4c15be8Irfan Sheriff usleep(100000); 8645a8a2d2b130644f0f4abad8586f0a245e4c15be8Irfan Sheriff } 865cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project} 866cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project 867da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriffint wifi_command(const char *ifname, const char *command, char *reply, size_t *reply_len) 868cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project{ 869da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff if (is_primary_interface(ifname)) { 870da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff return wifi_send_command(PRIMARY, command, reply, reply_len); 871da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff } else { 872da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff return wifi_send_command(SECONDARY, command, reply, reply_len); 873da52930b89bb0e03948f3981e75f8727ea023587Irfan Sheriff } 874cc490161f6af9e4a6842ee827e4bfc43bc4509d5The Android Open Source Project} 8754b7ffa08be8d58932841c52ce253ae6ca886a4f2Dmitry Shmidt 8764b7ffa08be8d58932841c52ce253ae6ca886a4f2Dmitry Shmidtconst char *wifi_get_fw_path(int fw_type) 8774b7ffa08be8d58932841c52ce253ae6ca886a4f2Dmitry Shmidt{ 8784b7ffa08be8d58932841c52ce253ae6ca886a4f2Dmitry Shmidt switch (fw_type) { 8794b7ffa08be8d58932841c52ce253ae6ca886a4f2Dmitry Shmidt case WIFI_GET_FW_PATH_STA: 8804b7ffa08be8d58932841c52ce253ae6ca886a4f2Dmitry Shmidt return WIFI_DRIVER_FW_PATH_STA; 8814b7ffa08be8d58932841c52ce253ae6ca886a4f2Dmitry Shmidt case WIFI_GET_FW_PATH_AP: 8824b7ffa08be8d58932841c52ce253ae6ca886a4f2Dmitry Shmidt return WIFI_DRIVER_FW_PATH_AP; 8834b7ffa08be8d58932841c52ce253ae6ca886a4f2Dmitry Shmidt case WIFI_GET_FW_PATH_P2P: 8844b7ffa08be8d58932841c52ce253ae6ca886a4f2Dmitry Shmidt return WIFI_DRIVER_FW_PATH_P2P; 8854b7ffa08be8d58932841c52ce253ae6ca886a4f2Dmitry Shmidt } 8864b7ffa08be8d58932841c52ce253ae6ca886a4f2Dmitry Shmidt return NULL; 8874b7ffa08be8d58932841c52ce253ae6ca886a4f2Dmitry Shmidt} 88829a4d4d74b512e450a7d2ae97d4222c24a13b87eDmitry Shmidt 88929a4d4d74b512e450a7d2ae97d4222c24a13b87eDmitry Shmidtint wifi_change_fw_path(const char *fwpath) 89029a4d4d74b512e450a7d2ae97d4222c24a13b87eDmitry Shmidt{ 89129a4d4d74b512e450a7d2ae97d4222c24a13b87eDmitry Shmidt int len; 89229a4d4d74b512e450a7d2ae97d4222c24a13b87eDmitry Shmidt int fd; 89329a4d4d74b512e450a7d2ae97d4222c24a13b87eDmitry Shmidt int ret = 0; 89429a4d4d74b512e450a7d2ae97d4222c24a13b87eDmitry Shmidt 89529a4d4d74b512e450a7d2ae97d4222c24a13b87eDmitry Shmidt if (!fwpath) 89629a4d4d74b512e450a7d2ae97d4222c24a13b87eDmitry Shmidt return ret; 897cf449e140874e4f57f120a88411c7b642172ecf2Kenny Root fd = TEMP_FAILURE_RETRY(open(WIFI_DRIVER_FW_PATH_PARAM, O_WRONLY)); 89829a4d4d74b512e450a7d2ae97d4222c24a13b87eDmitry Shmidt if (fd < 0) { 8995efbd421e0029d6fc44b1cc65c0e5e0d85e5161fSteve Block ALOGE("Failed to open wlan fw path param (%s)", strerror(errno)); 90029a4d4d74b512e450a7d2ae97d4222c24a13b87eDmitry Shmidt return -1; 90129a4d4d74b512e450a7d2ae97d4222c24a13b87eDmitry Shmidt } 90229a4d4d74b512e450a7d2ae97d4222c24a13b87eDmitry Shmidt len = strlen(fwpath) + 1; 903cf449e140874e4f57f120a88411c7b642172ecf2Kenny Root if (TEMP_FAILURE_RETRY(write(fd, fwpath, len)) != len) { 9045efbd421e0029d6fc44b1cc65c0e5e0d85e5161fSteve Block ALOGE("Failed to write wlan fw path param (%s)", strerror(errno)); 90529a4d4d74b512e450a7d2ae97d4222c24a13b87eDmitry Shmidt ret = -1; 90629a4d4d74b512e450a7d2ae97d4222c24a13b87eDmitry Shmidt } 90729a4d4d74b512e450a7d2ae97d4222c24a13b87eDmitry Shmidt close(fd); 90829a4d4d74b512e450a7d2ae97d4222c24a13b87eDmitry Shmidt return ret; 90929a4d4d74b512e450a7d2ae97d4222c24a13b87eDmitry Shmidt} 910