usb_vendors.c revision 6170404867631317ab57c67bf074494e6e775556
1/* 2 * Copyright (C) 2009 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17#include "usb_vendors.h" 18 19#include <stdio.h> 20 21#ifdef _WIN32 22# define WIN32_LEAN_AND_MEAN 23# include "windows.h" 24# include "shlobj.h" 25#else 26# include <unistd.h> 27# include <sys/stat.h> 28#endif 29 30#include "sysdeps.h" 31#include "adb.h" 32 33#define ANDROID_PATH ".android" 34#define ANDROID_ADB_INI "adb_usb.ini" 35 36#define TRACE_TAG TRACE_USB 37 38// Google's USB Vendor ID 39#define VENDOR_ID_GOOGLE 0x18d1 40// HTC's USB Vendor ID 41#define VENDOR_ID_HTC 0x0bb4 42// Samsung's USB Vendor ID 43#define VENDOR_ID_SAMSUNG 0x04e8 44// Motorola's USB Vendor ID 45#define VENDOR_ID_MOTOROLA 0x22b8 46// LG's USB Vendor ID 47#define VENDOR_ID_LGE 0x1004 48// Huawei's USB Vendor ID 49#define VENDOR_ID_HUAWEI 0x12D1 50// Acer's USB Vendor ID 51#define VENDOR_ID_ACER 0x0502 52// Sony Ericsson's USB Vendor ID 53#define VENDOR_ID_SONY_ERICSSON 0x0FCE 54// Foxconn's USB Vendor ID 55#define VENDOR_ID_FOXCONN 0x0489 56 57 58/** built-in vendor list */ 59int builtInVendorIds[] = { 60 VENDOR_ID_GOOGLE, 61 VENDOR_ID_HTC, 62 VENDOR_ID_SAMSUNG, 63 VENDOR_ID_MOTOROLA, 64 VENDOR_ID_LGE, 65 VENDOR_ID_HUAWEI, 66 VENDOR_ID_ACER, 67 VENDOR_ID_SONY_ERICSSON, 68 VENDOR_ID_FOXCONN, 69}; 70 71#define BUILT_IN_VENDOR_COUNT (sizeof(builtInVendorIds)/sizeof(builtInVendorIds[0])) 72 73/* max number of supported vendor ids (built-in + 3rd party). increase as needed */ 74#define VENDOR_COUNT_MAX 128 75 76int vendorIds[VENDOR_COUNT_MAX]; 77unsigned vendorIdCount = 0; 78 79int get_adb_usb_ini(char* buff, size_t len); 80 81void usb_vendors_init(void) 82{ 83 if (VENDOR_COUNT_MAX < BUILT_IN_VENDOR_COUNT) { 84 fprintf(stderr, "VENDOR_COUNT_MAX not big enough for built-in vendor list.\n"); 85 exit(2); 86 } 87 88 /* add the built-in vendors at the beginning of the array */ 89 memcpy(vendorIds, builtInVendorIds, sizeof(builtInVendorIds)); 90 91 /* default array size is the number of built-in vendors */ 92 vendorIdCount = BUILT_IN_VENDOR_COUNT; 93 94 if (VENDOR_COUNT_MAX == BUILT_IN_VENDOR_COUNT) 95 return; 96 97 char temp[PATH_MAX]; 98 if (get_adb_usb_ini(temp, sizeof(temp)) == 0) { 99 FILE * f = fopen(temp, "rt"); 100 101 if (f != NULL) { 102 /* The vendor id file is pretty basic. 1 vendor id per line. 103 Lines starting with # are comments */ 104 while (fgets(temp, sizeof(temp), f) != NULL) { 105 if (temp[0] == '#') 106 continue; 107 108 long value = strtol(temp, NULL, 0); 109 if (errno == EINVAL || errno == ERANGE || value > INT_MAX || value < 0) { 110 fprintf(stderr, "Invalid content in %s. Quitting.\n", ANDROID_ADB_INI); 111 exit(2); 112 } 113 114 vendorIds[vendorIdCount++] = (int)value; 115 116 /* make sure we don't go beyond the array */ 117 if (vendorIdCount == VENDOR_COUNT_MAX) { 118 break; 119 } 120 } 121 } 122 } 123} 124 125/* Utils methods */ 126 127/* builds the path to the adb vendor id file. returns 0 if success */ 128int build_path(char* buff, size_t len, const char* format, const char* home) 129{ 130 if (snprintf(buff, len, format, home, ANDROID_PATH, ANDROID_ADB_INI) >= len) { 131 return 1; 132 } 133 134 return 0; 135} 136 137/* fills buff with the path to the adb vendor id file. returns 0 if success */ 138int get_adb_usb_ini(char* buff, size_t len) 139{ 140#ifdef _WIN32 141 const char* home = getenv("ANDROID_SDK_HOME"); 142 if (home != NULL) { 143 return build_path(buff, len, "%s\\%s\\%s", home); 144 } else { 145 char path[MAX_PATH]; 146 SHGetFolderPath( NULL, CSIDL_PROFILE, NULL, 0, path); 147 return build_path(buff, len, "%s\\%s\\%s", path); 148 } 149#else 150 const char* home = getenv("HOME"); 151 if (home == NULL) 152 home = "/tmp"; 153 154 return build_path(buff, len, "%s/%s/%s", home); 155#endif 156} 157