1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include <pwd.h> 6 #include <sys/types.h> 7 #include <unistd.h> 8 9 #include "chrome/browser/policy/policy_path_parser.h" 10 11 #include "base/logging.h" 12 13 namespace policy { 14 15 namespace path_parser { 16 17 const char* kMachineNamePolicyVarName = "${machine_name}"; 18 const char* kUserNamePolicyVarName = "${user_name}"; 19 20 // Replaces all variable occurrences in the policy string with the respective 21 // system settings values. 22 base::FilePath::StringType ExpandPathVariables( 23 const base::FilePath::StringType& untranslated_string) { 24 base::FilePath::StringType result(untranslated_string); 25 if (result.length() == 0) 26 return result; 27 // Sanitize quotes in case of any around the whole string. 28 if (result.length() > 1 && 29 ((result[0] == '"' && result[result.length() - 1] == '"') || 30 (result[0] == '\'' && result[result.length() - 1] == '\''))) { 31 // Strip first and last char which should be matching quotes now. 32 result = result.substr(1, result.length() - 2); 33 } 34 // Translate two special variables ${user_name} and ${machine_name} 35 size_t position = result.find(kUserNamePolicyVarName); 36 if (position != std::string::npos) { 37 struct passwd* user = getpwuid(geteuid()); 38 if (user) { 39 result.replace(position, strlen(kUserNamePolicyVarName), user->pw_name); 40 } else { 41 LOG(ERROR) << "Username variable can not be resolved. "; 42 } 43 } 44 position = result.find(kMachineNamePolicyVarName); 45 if (position != std::string::npos) { 46 char machinename[255]; 47 if (gethostname(machinename, 255) == 0) { 48 result.replace(position, strlen(kMachineNamePolicyVarName), machinename); 49 } else { 50 LOG(ERROR) << "Machine name variable can not be resolved."; 51 } 52 } 53 return result; 54 } 55 56 void CheckUserDataDirPolicy(base::FilePath* user_data_dir) { 57 // This function is not implemented in Linux because we don't support the 58 // policy on this platform. 59 NOTREACHED(); 60 } 61 62 } // namespace path_parser 63 64 } // namespace policy 65
