Paul Lawrence | 6198026 | 2015-03-16 15:35:55 -0700 | [diff] [blame] | 1 | #include "unencrypted_properties.h" |
| 2 | |
| 3 | #include <sys/stat.h> |
Paul Lawrence | bc2eb8c | 2015-04-28 22:13:04 +0000 | [diff] [blame] | 4 | #include <dirent.h> |
Paul Lawrence | 6198026 | 2015-03-16 15:35:55 -0700 | [diff] [blame] | 5 | |
| 6 | namespace properties { |
| 7 | const char* key = "key"; |
| 8 | const char* ref = "ref"; |
Paul Lawrence | 2ecc642 | 2015-04-15 14:11:07 -0700 | [diff] [blame] | 9 | const char* props = "props"; |
Paul Lawrence | bc2eb8c | 2015-04-28 22:13:04 +0000 | [diff] [blame] | 10 | const char* is_default = "is_default"; |
Paul Lawrence | 6198026 | 2015-03-16 15:35:55 -0700 | [diff] [blame] | 11 | } |
| 12 | |
| 13 | namespace |
| 14 | { |
| 15 | const char* unencrypted_folder = "unencrypted"; |
| 16 | } |
| 17 | |
Paul Lawrence | bc2eb8c | 2015-04-28 22:13:04 +0000 | [diff] [blame] | 18 | std::string UnencryptedProperties::GetPath(const char* device) |
Paul Lawrence | 6198026 | 2015-03-16 15:35:55 -0700 | [diff] [blame] | 19 | { |
Paul Lawrence | bc2eb8c | 2015-04-28 22:13:04 +0000 | [diff] [blame] | 20 | return std::string() + device + "/" + unencrypted_folder; |
| 21 | } |
| 22 | |
| 23 | UnencryptedProperties::UnencryptedProperties(const char* device) |
| 24 | : folder_(GetPath(device)) |
| 25 | { |
| 26 | DIR* dir = opendir(folder_.c_str()); |
| 27 | if (dir) { |
| 28 | closedir(dir); |
| 29 | } else { |
| 30 | folder_.clear(); |
| 31 | } |
Paul Lawrence | 6198026 | 2015-03-16 15:35:55 -0700 | [diff] [blame] | 32 | } |
| 33 | |
| 34 | UnencryptedProperties::UnencryptedProperties() |
| 35 | { |
| 36 | } |
| 37 | |
| 38 | template<> std::string UnencryptedProperties::Get(const char* name, |
Paul Lawrence | bc2eb8c | 2015-04-28 22:13:04 +0000 | [diff] [blame] | 39 | std::string default_value) const |
Paul Lawrence | 6198026 | 2015-03-16 15:35:55 -0700 | [diff] [blame] | 40 | { |
| 41 | if (!OK()) return default_value; |
| 42 | std::ifstream i(folder_ + "/" + name, std::ios::binary); |
| 43 | if (!i) { |
| 44 | return default_value; |
| 45 | } |
| 46 | |
| 47 | i.seekg(0, std::ios::end); |
| 48 | int length = i.tellg(); |
| 49 | i.seekg(0, std::ios::beg); |
| 50 | if (length == -1) { |
| 51 | return default_value; |
| 52 | } |
| 53 | |
| 54 | std::string s(length, 0); |
| 55 | i.read(&s[0], length); |
| 56 | if (!i) { |
| 57 | return default_value; |
| 58 | } |
| 59 | |
| 60 | return s; |
| 61 | } |
| 62 | |
| 63 | template<> bool UnencryptedProperties::Set(const char* name, std::string const& value) |
| 64 | { |
| 65 | if (!OK()) return false; |
| 66 | std::ofstream o(folder_ + "/" + name, std::ios::binary); |
| 67 | o << value; |
| 68 | return !o.fail(); |
| 69 | } |
| 70 | |
Paul Lawrence | bc2eb8c | 2015-04-28 22:13:04 +0000 | [diff] [blame] | 71 | UnencryptedProperties UnencryptedProperties::GetChild(const char* name) const |
Paul Lawrence | 6198026 | 2015-03-16 15:35:55 -0700 | [diff] [blame] | 72 | { |
Paul Lawrence | bc2eb8c | 2015-04-28 22:13:04 +0000 | [diff] [blame] | 73 | UnencryptedProperties up; |
| 74 | if (!OK()) return up; |
Paul Lawrence | 6198026 | 2015-03-16 15:35:55 -0700 | [diff] [blame] | 75 | |
| 76 | std::string directory(folder_ + "/" + name); |
| 77 | if (mkdir(directory.c_str(), 700) == -1 && errno != EEXIST) { |
Paul Lawrence | bc2eb8c | 2015-04-28 22:13:04 +0000 | [diff] [blame] | 78 | return up; |
Paul Lawrence | 6198026 | 2015-03-16 15:35:55 -0700 | [diff] [blame] | 79 | } |
| 80 | |
Paul Lawrence | bc2eb8c | 2015-04-28 22:13:04 +0000 | [diff] [blame] | 81 | up.folder_ = directory; |
| 82 | return up; |
Paul Lawrence | 6198026 | 2015-03-16 15:35:55 -0700 | [diff] [blame] | 83 | } |
| 84 | |
| 85 | bool UnencryptedProperties::Remove(const char* name) |
| 86 | { |
Paul Crowley | 15e73f5 | 2015-05-06 15:28:35 +0100 | [diff] [blame] | 87 | if (!OK()) return false; |
Paul Lawrence | 6198026 | 2015-03-16 15:35:55 -0700 | [diff] [blame] | 88 | if (remove((folder_ + "/" + name).c_str()) |
| 89 | && errno != ENOENT) { |
| 90 | return false; |
| 91 | } |
| 92 | |
| 93 | return true; |
| 94 | } |
| 95 | |
| 96 | bool UnencryptedProperties::OK() const |
| 97 | { |
| 98 | return !folder_.empty(); |
| 99 | } |