usb_vendors.c revision 37ddce736ce7700ee1e120f7371e6ee6a526f3ca
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// Dell's USB Vendor ID 57#define VENDOR_ID_DELL 0x413c 58 59 60/** built-in vendor list */ 61int builtInVendorIds[] = { 62 VENDOR_ID_GOOGLE, 63 VENDOR_ID_HTC, 64 VENDOR_ID_SAMSUNG, 65 VENDOR_ID_MOTOROLA, 66 VENDOR_ID_LGE, 67 VENDOR_ID_HUAWEI, 68 VENDOR_ID_ACER, 69 VENDOR_ID_SONY_ERICSSON, 70 VENDOR_ID_FOXCONN, 71 VENDOR_ID_DELL, 72}; 73 74#define BUILT_IN_VENDOR_COUNT (sizeof(builtInVendorIds)/sizeof(builtInVendorIds[0])) 75 76/* max number of supported vendor ids (built-in + 3rd party). increase as needed */ 77#define VENDOR_COUNT_MAX 128 78 79int vendorIds[VENDOR_COUNT_MAX]; 80unsigned vendorIdCount = 0; 81 82int get_adb_usb_ini(char* buff, size_t len); 83 84void usb_vendors_init(void) 85{ 86 if (VENDOR_COUNT_MAX < BUILT_IN_VENDOR_COUNT) { 87 fprintf(stderr, "VENDOR_COUNT_MAX not big enough for built-in vendor list.\n"); 88 exit(2); 89 } 90 91 /* add the built-in vendors at the beginning of the array */ 92 memcpy(vendorIds, builtInVendorIds, sizeof(builtInVendorIds)); 93 94 /* default array size is the number of built-in vendors */ 95 vendorIdCount = BUILT_IN_VENDOR_COUNT; 96 97 if (VENDOR_COUNT_MAX == BUILT_IN_VENDOR_COUNT) 98 return; 99 100 char temp[PATH_MAX]; 101 if (get_adb_usb_ini(temp, sizeof(temp)) == 0) { 102 FILE * f = fopen(temp, "rt"); 103 104 if (f != NULL) { 105 /* The vendor id file is pretty basic. 1 vendor id per line. 106 Lines starting with # are comments */ 107 while (fgets(temp, sizeof(temp), f) != NULL) { 108 if (temp[0] == '#') 109 continue; 110 111 long value = strtol(temp, NULL, 0); 112 if (errno == EINVAL || errno == ERANGE || value > INT_MAX || value < 0) { 113 fprintf(stderr, "Invalid content in %s. Quitting.\n", ANDROID_ADB_INI); 114 exit(2); 115 } 116 117 vendorIds[vendorIdCount++] = (int)value; 118 119 /* make sure we don't go beyond the array */ 120 if (vendorIdCount == VENDOR_COUNT_MAX) { 121 break; 122 } 123 } 124 } 125 } 126} 127 128/* Utils methods */ 129 130/* builds the path to the adb vendor id file. returns 0 if success */ 131int build_path(char* buff, size_t len, const char* format, const char* home) 132{ 133 if (snprintf(buff, len, format, home, ANDROID_PATH, ANDROID_ADB_INI) >= len) { 134 return 1; 135 } 136 137 return 0; 138} 139 140/* fills buff with the path to the adb vendor id file. returns 0 if success */ 141int get_adb_usb_ini(char* buff, size_t len) 142{ 143#ifdef _WIN32 144 const char* home = getenv("ANDROID_SDK_HOME"); 145 if (home != NULL) { 146 return build_path(buff, len, "%s\\%s\\%s", home); 147 } else { 148 char path[MAX_PATH]; 149 SHGetFolderPath( NULL, CSIDL_PROFILE, NULL, 0, path); 150 return build_path(buff, len, "%s\\%s\\%s", path); 151 } 152#else 153 const char* home = getenv("HOME"); 154 if (home == NULL) 155 home = "/tmp"; 156 157 return build_path(buff, len, "%s/%s/%s", home); 158#endif 159} 160