usb_vendors.c revision 1873adc2b12d5a9045bae90650bb331c7c7aa3c7
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// Dell's USB Vendor ID 55#define VENDOR_ID_DELL 0x413c 56// Garmin-Asus's USB Vendor ID 57#define VENDOR_ID_GARMIN_ASUS 0x091E 58 59/** built-in vendor list */ 60int builtInVendorIds[] = { 61 VENDOR_ID_GOOGLE, 62 VENDOR_ID_HTC, 63 VENDOR_ID_SAMSUNG, 64 VENDOR_ID_MOTOROLA, 65 VENDOR_ID_LGE, 66 VENDOR_ID_HUAWEI, 67 VENDOR_ID_ACER, 68 VENDOR_ID_SONY_ERICSSON, 69 VENDOR_ID_DELL, 70 VENDOR_ID_GARMIN_ASUS, 71}; 72 73#define BUILT_IN_VENDOR_COUNT (sizeof(builtInVendorIds)/sizeof(builtInVendorIds[0])) 74 75/* max number of supported vendor ids (built-in + 3rd party). increase as needed */ 76#define VENDOR_COUNT_MAX 128 77 78int vendorIds[VENDOR_COUNT_MAX]; 79unsigned vendorIdCount = 0; 80 81int get_adb_usb_ini(char* buff, size_t len); 82 83void usb_vendors_init(void) 84{ 85 if (VENDOR_COUNT_MAX < BUILT_IN_VENDOR_COUNT) { 86 fprintf(stderr, "VENDOR_COUNT_MAX not big enough for built-in vendor list.\n"); 87 exit(2); 88 } 89 90 /* add the built-in vendors at the beginning of the array */ 91 memcpy(vendorIds, builtInVendorIds, sizeof(builtInVendorIds)); 92 93 /* default array size is the number of built-in vendors */ 94 vendorIdCount = BUILT_IN_VENDOR_COUNT; 95 96 if (VENDOR_COUNT_MAX == BUILT_IN_VENDOR_COUNT) 97 return; 98 99 char temp[PATH_MAX]; 100 if (get_adb_usb_ini(temp, sizeof(temp)) == 0) { 101 FILE * f = fopen(temp, "rt"); 102 103 if (f != NULL) { 104 /* The vendor id file is pretty basic. 1 vendor id per line. 105 Lines starting with # are comments */ 106 while (fgets(temp, sizeof(temp), f) != NULL) { 107 if (temp[0] == '#') 108 continue; 109 110 long value = strtol(temp, NULL, 0); 111 if (errno == EINVAL || errno == ERANGE || value > INT_MAX || value < 0) { 112 fprintf(stderr, "Invalid content in %s. Quitting.\n", ANDROID_ADB_INI); 113 exit(2); 114 } 115 116 vendorIds[vendorIdCount++] = (int)value; 117 118 /* make sure we don't go beyond the array */ 119 if (vendorIdCount == VENDOR_COUNT_MAX) { 120 break; 121 } 122 } 123 } 124 } 125} 126 127/* Utils methods */ 128 129/* builds the path to the adb vendor id file. returns 0 if success */ 130int build_path(char* buff, size_t len, const char* format, const char* home) 131{ 132 if (snprintf(buff, len, format, home, ANDROID_PATH, ANDROID_ADB_INI) >= len) { 133 return 1; 134 } 135 136 return 0; 137} 138 139/* fills buff with the path to the adb vendor id file. returns 0 if success */ 140int get_adb_usb_ini(char* buff, size_t len) 141{ 142#ifdef _WIN32 143 const char* home = getenv("ANDROID_SDK_HOME"); 144 if (home != NULL) { 145 return build_path(buff, len, "%s\\%s\\%s", home); 146 } else { 147 char path[MAX_PATH]; 148 SHGetFolderPath( NULL, CSIDL_PROFILE, NULL, 0, path); 149 return build_path(buff, len, "%s\\%s\\%s", path); 150 } 151#else 152 const char* home = getenv("HOME"); 153 if (home == NULL) 154 home = "/tmp"; 155 156 return build_path(buff, len, "%s/%s/%s", home); 157#endif 158} 159