Darin Petkov | 083047b | 2011-06-23 20:42:48 -0700 | [diff] [blame^] | 1 | // Copyright (c) 2011 The Chromium OS 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 "shill/key_file_store.h" |
| 6 | |
| 7 | #include <base/file_util.h> |
| 8 | #include <base/logging.h> |
| 9 | |
| 10 | using std::set; |
| 11 | using std::string; |
| 12 | |
| 13 | namespace shill { |
| 14 | |
| 15 | KeyFileStore::KeyFileStore(GLib *glib) : glib_(glib), key_file_(NULL) {} |
| 16 | |
| 17 | KeyFileStore::~KeyFileStore() { |
| 18 | ReleaseKeyFile(); |
| 19 | } |
| 20 | |
| 21 | void KeyFileStore::ReleaseKeyFile() { |
| 22 | if (key_file_) { |
| 23 | glib_->KeyFileFree(key_file_); |
| 24 | key_file_ = NULL; |
| 25 | } |
| 26 | } |
| 27 | |
| 28 | bool KeyFileStore::Open() { |
| 29 | CHECK(!path_.empty()); |
| 30 | CHECK(!key_file_); |
| 31 | key_file_ = glib_->KeyFileNew(); |
| 32 | int64 file_size = 0; |
| 33 | if (!file_util::GetFileSize(path_, &file_size) || file_size == 0) { |
| 34 | LOG(INFO) << "Creating a new key file at " << path_.value(); |
| 35 | return true; |
| 36 | } |
| 37 | GError *error = NULL; |
| 38 | if (glib_->KeyFileLoadFromFile( |
| 39 | key_file_, |
| 40 | path_.value().c_str(), |
| 41 | static_cast<GKeyFileFlags>(G_KEY_FILE_KEEP_COMMENTS | |
| 42 | G_KEY_FILE_KEEP_TRANSLATIONS), |
| 43 | &error)) { |
| 44 | return true; |
| 45 | } |
| 46 | LOG(ERROR) << "Failed to load key file from " << path_.value() << ": " |
| 47 | << glib_->ConvertErrorToMessage(error); |
| 48 | ReleaseKeyFile(); |
| 49 | return false; |
| 50 | } |
| 51 | |
| 52 | bool KeyFileStore::Close() { |
| 53 | CHECK(key_file_); |
| 54 | GError *error = NULL; |
| 55 | gsize length = 0; |
| 56 | gchar *data = glib_->KeyFileToData(key_file_, &length, &error); |
| 57 | ReleaseKeyFile(); |
| 58 | |
| 59 | bool success = true; |
| 60 | if (path_.empty()) { |
| 61 | LOG(ERROR) << "Empty key file path."; |
| 62 | success = false; |
| 63 | } |
| 64 | if (success && (!data || error)) { |
| 65 | LOG(ERROR) << "Failed to convert key file to string: " |
| 66 | << glib_->ConvertErrorToMessage(error); |
| 67 | success = false; |
| 68 | } |
| 69 | if (success && file_util::WriteFile(path_, data, length) != length) { |
| 70 | LOG(ERROR) << "Failed to store key file: " << path_.value(); |
| 71 | success = false; |
| 72 | } |
| 73 | glib_->Free(data); |
| 74 | return success; |
| 75 | } |
| 76 | |
| 77 | set<string> KeyFileStore::GetGroups() { |
| 78 | CHECK(key_file_); |
| 79 | gsize length = 0; |
| 80 | gchar **groups = g_key_file_get_groups(key_file_, &length); |
| 81 | if (!groups) { |
| 82 | LOG(ERROR) << "Unable to obtain groups."; |
| 83 | return set<string>(); |
| 84 | } |
| 85 | set<string> group_set(groups, groups + length); |
| 86 | glib_->Strfreev(groups); |
| 87 | return group_set; |
| 88 | } |
| 89 | |
| 90 | bool KeyFileStore::ContainsGroup(const string &group) { |
| 91 | CHECK(key_file_); |
| 92 | return glib_->KeyFileHasGroup(key_file_, group.c_str()); |
| 93 | } |
| 94 | |
| 95 | bool KeyFileStore::DeleteKey(const string &group, const string &key) { |
| 96 | CHECK(key_file_); |
| 97 | GError *error = NULL; |
| 98 | glib_->KeyFileRemoveKey(key_file_, group.c_str(), key.c_str(), &error); |
| 99 | if (error) { |
| 100 | LOG(ERROR) << "Failed to delete (" << group << ":" << key << "): " |
| 101 | << glib_->ConvertErrorToMessage(error); |
| 102 | return false; |
| 103 | } |
| 104 | return true; |
| 105 | } |
| 106 | |
| 107 | bool KeyFileStore::DeleteGroup(const string &group) { |
| 108 | CHECK(key_file_); |
| 109 | GError *error = NULL; |
| 110 | glib_->KeyFileRemoveGroup(key_file_, group.c_str(), &error); |
| 111 | if (error) { |
| 112 | LOG(ERROR) << "Failed to delete group " << group << "): " |
| 113 | << glib_->ConvertErrorToMessage(error); |
| 114 | return false; |
| 115 | } |
| 116 | return true; |
| 117 | } |
| 118 | |
| 119 | bool KeyFileStore::GetString(const string &group, |
| 120 | const string &key, |
| 121 | string *value) { |
| 122 | CHECK(key_file_); |
| 123 | GError *error = NULL; |
| 124 | gchar *data = |
| 125 | glib_->KeyFileGetString(key_file_, group.c_str(), key.c_str(), &error); |
| 126 | if (!data) { |
| 127 | LOG(ERROR) << "Failed to lookup (" << group << ":" << key << "): " |
| 128 | << glib_->ConvertErrorToMessage(error); |
| 129 | return false; |
| 130 | } |
| 131 | if (value) { |
| 132 | *value = data; |
| 133 | } |
| 134 | glib_->Free(data); |
| 135 | return true; |
| 136 | } |
| 137 | |
| 138 | bool KeyFileStore::SetString(const string &group, |
| 139 | const string &key, |
| 140 | const string &value) { |
| 141 | CHECK(key_file_); |
| 142 | glib_->KeyFileSetString(key_file_, group.c_str(), key.c_str(), value.c_str()); |
| 143 | return true; |
| 144 | } |
| 145 | |
| 146 | bool KeyFileStore::GetBool(const string &group, |
| 147 | const string &key, |
| 148 | bool *value) { |
| 149 | CHECK(key_file_); |
| 150 | GError *error = NULL; |
| 151 | gboolean data = |
| 152 | glib_->KeyFileGetBoolean(key_file_, group.c_str(), key.c_str(), &error); |
| 153 | if (error) { |
| 154 | LOG(ERROR) << "Failed to lookup (" << group << ":" << key << "): " |
| 155 | << glib_->ConvertErrorToMessage(error); |
| 156 | return false; |
| 157 | } |
| 158 | if (value) { |
| 159 | *value = data; |
| 160 | } |
| 161 | return true; |
| 162 | } |
| 163 | |
| 164 | bool KeyFileStore::SetBool(const string &group, const string &key, bool value) { |
| 165 | CHECK(key_file_); |
| 166 | glib_->KeyFileSetBoolean(key_file_, |
| 167 | group.c_str(), |
| 168 | key.c_str(), |
| 169 | value ? TRUE : FALSE); |
| 170 | return true; |
| 171 | } |
| 172 | |
| 173 | bool KeyFileStore::GetInt(const string &group, const string &key, int *value) { |
| 174 | CHECK(key_file_); |
| 175 | GError *error = NULL; |
| 176 | gint data = |
| 177 | glib_->KeyFileGetInteger(key_file_, group.c_str(), key.c_str(), &error); |
| 178 | if (error) { |
| 179 | LOG(ERROR) << "Failed to lookup (" << group << ":" << key << "): " |
| 180 | << glib_->ConvertErrorToMessage(error); |
| 181 | return false; |
| 182 | } |
| 183 | if (value) { |
| 184 | *value = data; |
| 185 | } |
| 186 | return true; |
| 187 | } |
| 188 | |
| 189 | bool KeyFileStore::SetInt(const string &group, const string &key, int value) { |
| 190 | CHECK(key_file_); |
| 191 | glib_->KeyFileSetInteger(key_file_, group.c_str(), key.c_str(), value); |
| 192 | return true; |
| 193 | } |
| 194 | |
| 195 | } // namespace shill |