Vadim Iosevich | e76832c | 2017-11-05 09:09:14 +0200 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2017, The Linux Foundation. All rights reserved. |
| 3 | * |
| 4 | * Redistribution and use in source and binary forms, with or without |
| 5 | * modification, are permitted provided that the following conditions are |
| 6 | * met: |
| 7 | * * Redistributions of source code must retain the above copyright |
| 8 | * notice, this list of conditions and the following disclaimer. |
| 9 | * * Redistributions in binary form must reproduce the above |
| 10 | * copyright notice, this list of conditions and the following |
| 11 | * disclaimer in the documentation and/or other materials provided |
| 12 | * with the distribution. |
| 13 | * * Neither the name of The Linux Foundation nor the names of its |
| 14 | * contributors may be used to endorse or promote products derived |
| 15 | * from this software without specific prior written permission. |
| 16 | * |
| 17 | * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED |
| 18 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| 19 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT |
| 20 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS |
| 21 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 22 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 23 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR |
| 24 | * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| 25 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE |
| 26 | * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN |
| 27 | * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 28 | */ |
| 29 | |
| 30 | #ifdef __linux |
| 31 | #include <sys/ioctl.h> // for struct ifreq |
| 32 | #include <net/if.h> // for struct ifreq |
| 33 | #include <arpa/inet.h> // for the declaration of inet_ntoa |
| 34 | #include <netinet/in.h> // for struct sockaddr_in |
| 35 | #include <stdlib.h> |
| 36 | #include <string.h> |
| 37 | #include <cerrno> |
| 38 | #include <sys/stat.h> //added for config- template path |
| 39 | #include <unistd.h> |
| 40 | #include <sys/types.h> |
| 41 | #include <dirent.h> |
| 42 | #include <stdio.h> |
| 43 | |
| 44 | #elif _WINDOWS |
| 45 | #include <windows.h> |
| 46 | #include <KnownFolders.h> |
| 47 | #include <ShlObj.h> |
| 48 | #include <Shlwapi.h> |
| 49 | #include <comutil.h> //for _bstr_t (used in the string conversion) |
| 50 | #pragma comment(lib, "comsuppw") |
| 51 | |
| 52 | #else |
| 53 | #include <dirent.h> |
| 54 | #endif |
| 55 | |
| 56 | #ifdef __ANDROID__ |
| 57 | #include <sys/stat.h> //added for config- template path |
| 58 | #include <unistd.h> //added for config- template path |
| 59 | #include <sys/types.h> |
| 60 | #endif |
| 61 | |
| 62 | #include <iostream> |
| 63 | #include <fstream> |
| 64 | #include <sstream> |
| 65 | #include "DebugLogger.h" |
| 66 | #include "FileSystemOsAbstraction.h" |
| 67 | |
| 68 | const std::string FileSystemOsAbstraction::LOCAL_HOST_IP = "127.0.0.1"; |
| 69 | |
| 70 | bool FileSystemOsAbstraction::FindEthernetInterface(struct ifreq& ifr, int& fd) |
| 71 | { |
| 72 | #ifdef __linux |
| 73 | fd = socket(AF_INET, SOCK_DGRAM, 0); |
| 74 | if (fd < 0) |
| 75 | { |
| 76 | LOG_WARNING << "Failed to get host's IP address and broadcast IP address" << std::endl; |
| 77 | return false; |
| 78 | } |
| 79 | |
| 80 | for (int i = 0; i < 100; i++) |
| 81 | { |
| 82 | snprintf(ifr.ifr_name, IFNAMSIZ - 1, "eth%d", i); |
| 83 | |
| 84 | if (ioctl(fd, SIOCGIFADDR, &ifr) >= 0) |
| 85 | { |
| 86 | return true; |
| 87 | } |
| 88 | } |
| 89 | #endif |
| 90 | return false; |
| 91 | } |
| 92 | |
| 93 | HostIps FileSystemOsAbstraction::GetHostIps() |
| 94 | { |
| 95 | #ifdef __linux |
| 96 | HostIps hostIps; |
| 97 | int fd; |
| 98 | struct ifreq ifr; |
| 99 | |
| 100 | ifr.ifr_addr.sa_family = AF_INET; // IP4V |
| 101 | |
| 102 | // Get IP address according to OS |
| 103 | if (FindEthernetInterface(ifr, fd)) |
| 104 | { |
| 105 | LOG_INFO << "Linux OS" << std::endl; |
| 106 | } |
| 107 | else |
| 108 | { |
| 109 | snprintf(ifr.ifr_name, IFNAMSIZ - 1, "br-lan"); |
| 110 | if (ioctl(fd, SIOCGIFADDR, &ifr) >= 0) |
| 111 | { |
| 112 | LOG_INFO << "OpenWRT OS" << std::endl; |
| 113 | } |
| 114 | else |
| 115 | { |
| 116 | // Probably Android OS |
| 117 | LOG_INFO << "Android OS (no external IP Adress)" << std::endl; |
| 118 | hostIps.m_ip = FileSystemOsAbstraction::LOCAL_HOST_IP; |
| 119 | hostIps.m_broadcastIp = FileSystemOsAbstraction::LOCAL_HOST_IP; |
| 120 | return hostIps; |
| 121 | } |
| 122 | } |
| 123 | |
| 124 | hostIps.m_ip = inet_ntoa(((struct sockaddr_in *)&ifr.ifr_addr)->sin_addr); |
| 125 | |
| 126 | if (ioctl(fd, SIOCGIFBRDADDR, &ifr) < 0) |
| 127 | { |
| 128 | LOG_WARNING << "Failed to get broadcast IP" << std::endl; |
| 129 | return hostIps; |
| 130 | } |
| 131 | hostIps.m_broadcastIp = inet_ntoa(((struct sockaddr_in *)&ifr.ifr_addr)->sin_addr); |
| 132 | LOG_DEBUG << "Host's IP address is " << hostIps.m_ip << std::endl; |
| 133 | LOG_DEBUG << "Broadcast IP address is " << hostIps.m_broadcastIp << std::endl; |
| 134 | |
| 135 | close(fd); |
| 136 | return hostIps; |
| 137 | #else |
| 138 | HostIps empty; |
| 139 | empty.m_broadcastIp = "10.18.172.155"; |
| 140 | return empty; |
| 141 | #endif |
| 142 | } |
| 143 | |
| 144 | bool FileSystemOsAbstraction::ReadFile(string fileName, string& data) |
| 145 | { |
| 146 | ifstream fd(fileName.c_str()); |
| 147 | if (!fd.good()) // file doesn't exist |
| 148 | { |
| 149 | data = ""; |
| 150 | return false; |
| 151 | } |
| 152 | |
| 153 | fd.open(fileName.c_str()); |
| 154 | stringstream content; |
| 155 | content << fd.rdbuf(); |
| 156 | fd.close(); |
| 157 | data = content.str(); |
| 158 | return true; |
| 159 | } |
| 160 | |
| 161 | bool FileSystemOsAbstraction::WriteFile(const string& fileName, const string& content) |
| 162 | { |
| 163 | std::ofstream fd(fileName.c_str()); |
| 164 | if (!fd.is_open()) |
| 165 | { |
| 166 | LOG_WARNING << "Failed to open file: " << fileName << std::endl; |
| 167 | return false; |
| 168 | } |
| 169 | fd << content; |
| 170 | if (fd.bad()) |
| 171 | { |
| 172 | LOG_WARNING << "Failed to write to file: " << fileName << std::endl; |
| 173 | fd.close(); |
| 174 | return false; |
| 175 | } |
| 176 | fd.close(); |
| 177 | return true; |
| 178 | } |
| 179 | |
| 180 | bool FileExist(const std::string& Name) |
| 181 | { |
| 182 | #ifdef _WINDOWS |
| 183 | struct _stat buf; |
| 184 | int Result = _stat(Name.c_str(), &buf); |
| 185 | #else |
| 186 | struct stat buf; |
| 187 | int Result = stat(Name.c_str(), &buf); |
| 188 | #endif |
| 189 | return Result == 0; |
| 190 | } |
| 191 | |
| 192 | |
| 193 | |
| 194 | string FileSystemOsAbstraction::GetConfigurationFilesLocation() |
| 195 | { |
| 196 | stringstream path; |
| 197 | |
| 198 | //should check __ANDROID__ first since __LINUX flag also set in Android |
| 199 | #ifdef __ANDROID__ |
| 200 | std::string t_path = "/data/vendor/wifi/host_manager_11ad/"; |
| 201 | if (!FileExist(t_path)) |
| 202 | { |
| 203 | path << "/data/host_manager_11ad/"; |
| 204 | } |
| 205 | else |
| 206 | { |
| 207 | path << t_path; |
| 208 | } |
| 209 | #elif __linux |
| 210 | return "/etc/host_manager_11ad/"; |
| 211 | #elif _WINDOWS //windows |
| 212 | LPWSTR lpwstrPath = NULL; |
| 213 | // Get the ProgramData folder path of windows |
| 214 | HRESULT result = SHGetKnownFolderPath(FOLDERID_ProgramData, 0, NULL, &lpwstrPath); |
| 215 | if (SUCCEEDED(result)) |
| 216 | { |
| 217 | // Convert the path to string |
| 218 | std::wstring wpath(lpwstrPath); |
| 219 | std::string strPath = std::string(wpath.cbegin(), wpath.cend()); |
| 220 | CoTaskMemFree(lpwstrPath); |
| 221 | path << strPath << "\\Wilocity\\host_manager_11ad\\"; |
| 222 | } |
| 223 | #else //OS3 |
| 224 | return "/etc/host_manager_11ad/"; |
| 225 | #endif // __linux |
| 226 | return path.str(); |
| 227 | } |
| 228 | |
| 229 | std::string FileSystemOsAbstraction::GetTemplateFilesLocation() |
| 230 | { |
| 231 | stringstream path; |
| 232 | |
| 233 | //should check __ANDROID__ first since __LINUX flag also set in Android |
| 234 | |
| 235 | |
| 236 | #ifdef __ANDROID__ |
| 237 | std::string t_path = "/vendor/etc/wifi/host_manager_11ad/"; |
| 238 | if (!FileExist(t_path)) |
| 239 | { |
| 240 | path << "/data/host_manager_11ad/"; |
| 241 | } |
| 242 | else |
| 243 | { |
| 244 | path << t_path; |
| 245 | } |
| 246 | |
| 247 | #elif __linux |
| 248 | return "/etc/host_manager_11ad/"; |
| 249 | #elif _WINDOWS |
| 250 | path << "..\\OnTargetUI\\"; |
| 251 | #else //OS3 |
| 252 | return "/etc/host_manager_11ad/"; |
| 253 | #endif // __linux |
| 254 | return path.str(); |
| 255 | } |
| 256 | |
| 257 | string FileSystemOsAbstraction::GetDirectoriesDilimeter() |
| 258 | { |
| 259 | #ifndef _WINDOWS |
| 260 | return "/"; |
| 261 | #else |
| 262 | return "\\"; |
| 263 | #endif |
| 264 | } |
| 265 | |
| 266 | bool FileSystemOsAbstraction::ReadHostOsAlias(string& alias) |
| 267 | { |
| 268 | #ifdef __linux |
| 269 | if (!ReadFile("/etc/hostname", alias)) |
| 270 | { |
| 271 | alias = ""; |
| 272 | return false; |
| 273 | } |
| 274 | return true; |
| 275 | #else |
| 276 | alias = ""; |
| 277 | return false; |
| 278 | #endif // __linux |
| 279 | } |
| 280 | |
| 281 | bool FileSystemOsAbstraction::DoesFolderExist(string path) |
| 282 | { |
| 283 | #ifndef _WINDOWS |
| 284 | DIR* pDir = opendir(path.c_str()); |
| 285 | if (pDir != NULL) |
| 286 | { |
| 287 | (void)closedir(pDir); |
| 288 | return true; |
| 289 | } |
| 290 | return false; |
| 291 | #else |
| 292 | DWORD fileAttributes = GetFileAttributesA(path.c_str()); |
| 293 | if (INVALID_FILE_ATTRIBUTES == fileAttributes) // no such path |
| 294 | { |
| 295 | return false; |
| 296 | } |
| 297 | if (fileAttributes & FILE_ATTRIBUTE_DIRECTORY) |
| 298 | { |
| 299 | return true; // given path is a directory |
| 300 | } |
| 301 | return false; // given path isn't a directory |
| 302 | #endif |
| 303 | } |
| 304 | |
| 305 | bool FileSystemOsAbstraction::IsFileExists(string path) |
| 306 | { |
| 307 | ifstream f(path.c_str()); |
| 308 | return f.good(); |
| 309 | } |
| 310 | |
| 311 | bool FileSystemOsAbstraction::CreateFolder(string path) |
| 312 | { |
| 313 | #ifndef _WINDOWS |
| 314 | system(("mkdir " + path).c_str()); |
| 315 | return true; |
| 316 | #else |
| 317 | std::wstring wpath = std::wstring(path.cbegin(), path.cend()); |
| 318 | return CreateDirectory(wpath.c_str(), nullptr) == TRUE; |
| 319 | #endif |
| 320 | } |
| 321 | |
| 322 | bool FileSystemOsAbstraction::MoveFileToNewLocation(string oldFileLocation, string newFileLocation) |
| 323 | { |
| 324 | #ifndef _WINDOWS |
| 325 | system(("mv " + oldFileLocation + " " + newFileLocation).c_str()); |
| 326 | return true; |
| 327 | #else |
| 328 | std::wstring wOldPath = std::wstring(oldFileLocation.cbegin(), oldFileLocation.cend()); |
| 329 | std::wstring wNewPath = std::wstring(newFileLocation.cbegin(), newFileLocation.cend()); |
| 330 | return MoveFile(wOldPath.c_str(), wNewPath.c_str()) == TRUE; |
| 331 | #endif |
| 332 | } |