Incomplete encryption of private keys.
[dcpomatic.git] / src / lib / config.cc
index d7fd74449e4ab59430cd68793b832b5f29ddcfd4..e61eea3a6f89f7cd916be30b9cb8a54aa595dc95 100644 (file)
@@ -167,12 +167,16 @@ Config::set_defaults ()
        _image_display = 0;
        _respect_kdm_validity_periods = true;
        _player_log_file = boost::none;
-       _player_dcp_directory = boost::none;
+       _player_content_directory = boost::none;
+       _player_playlist_directory = boost::none;
        _player_kdm_directory = boost::none;
 #ifdef DCPOMATIC_VARIANT_SWAROOP
        _player_background_image = boost::none;
        _kdm_server_url = "http://localhost:8000/{CPL}";
-       _player_watermark = boost::none;
+       _player_watermark_theatre = "";
+       _player_watermark_period = 1;
+       _player_watermark_duration = 50;
+       _player_lock_file = boost::none;
 #endif
 
        _allowed_dcp_frame_rates.clear ();
@@ -229,6 +233,14 @@ void
 Config::read ()
 try
 {
+#if defined(DCPOMATIC_VARIANT_SWAROOP) && defined(DCPOMATIC_LINUX)
+       if (geteuid() == 0) {
+               /* Take ownership of the config file if we're root */
+               chown (config_file().string().c_str(), 0, 0);
+               chmod (config_file().string().c_str(), 0644);
+       }
+#endif
+
        cxml::Document f ("Config");
        f.read_file (config_file ());
 
@@ -504,12 +516,19 @@ try
        _image_display = f.optional_number_child<int>("ImageDisplay").get_value_or(0);
        _respect_kdm_validity_periods = f.optional_bool_child("RespectKDMValidityPeriods").get_value_or(true);
        _player_log_file = f.optional_string_child("PlayerLogFile");
-       _player_dcp_directory = f.optional_string_child("PlayerDCPDirectory");
+       _player_content_directory = f.optional_string_child("PlayerContentDirectory");
+       _player_playlist_directory = f.optional_string_child("PlayerPlaylistDirectory");
        _player_kdm_directory = f.optional_string_child("PlayerKDMDirectory");
 #ifdef DCPOMATIC_VARIANT_SWAROOP
        _player_background_image = f.optional_string_child("PlayerBackgroundImage");
        _kdm_server_url = f.optional_string_child("KDMServerURL").get_value_or("http://localhost:8000/{CPL}");
-       _player_watermark = f.optional_string_child("PlayerWatermark");
+       _player_watermark_theatre = f.optional_string_child("PlayerWatermarkTheatre").get_value_or("");
+       _player_watermark_period = f.optional_number_child<int>("PlayerWatermarkPeriod").get_value_or(1);
+       _player_watermark_duration = f.optional_number_child<int>("PlayerWatermarkDuration").get_value_or(150);
+       BOOST_FOREACH (cxml::ConstNodePtr i, f.node_children("RequiredMonitor")) {
+               _required_monitors.push_back(Monitor(i));
+       }
+       _player_lock_file = f.optional_string_child("PlayerLockFile");
 #endif
 
        /* Replace any cinemas from config.xml with those from the configured file */
@@ -637,8 +656,8 @@ Config::write_config () const
        }
        if (_default_container) {
                /* [XML:opt] DefaultContainer ID of default container
-                * to use when creating new films (<code>185</code>,<code>239</code> or
-                * <code>190</code>).
+                  to use when creating new films (<code>185</code>,<code>239</code> or
+                  <code>190</code>).
                */
                root->add_child("DefaultContainer")->add_child_text (_default_container->id ());
        }
@@ -752,7 +771,18 @@ Config::write_config () const
        BOOST_FOREACH (dcp::Certificate const & i, _signer_chain->unordered()) {
                signer->add_child("Certificate")->add_child_text (i.certificate (true));
        }
+#ifdef DCPOMATIC_SWAROOP
+       FILE* f = fopen_boost (path("private"), "wb");
+       if (!f) {
+               throw FileError ("Could not open file for writing", path("private"));
+       }
+       shared_array<uint8_t> iv = dcpomatic::random_iv ();
+       dcp::Data encrypted_key = dcpomatic::encrypt (_signer_chain->key().get(), key, iv);
+       fwrite (encrypted_key.data().get(), encrypted_key.data().size(), 1, f);
+       fclose (f);
+#else  
        signer->add_child("PrivateKey")->add_child_text (_signer_chain->key().get ());
+#endif 
 
        /* [XML] Decryption Certificate chain and private key to use when decrypting KDMs */
        xmlpp::Element* decryption = root->add_child ("Decryption");
@@ -902,8 +932,11 @@ Config::write_config () const
        if (_player_log_file) {
                root->add_child("PlayerLogFile")->add_child_text(_player_log_file->string());
        }
-       if (_player_dcp_directory) {
-               root->add_child("PlayerDCPDirectory")->add_child_text(_player_dcp_directory->string());
+       if (_player_content_directory) {
+               root->add_child("PlayerContentDirectory")->add_child_text(_player_content_directory->string());
+       }
+       if (_player_playlist_directory) {
+               root->add_child("PlayerPlaylistDirectory")->add_child_text(_player_playlist_directory->string());
        }
        if (_player_kdm_directory) {
                root->add_child("PlayerKDMDirectory")->add_child_text(_player_kdm_directory->string());
@@ -913,17 +946,34 @@ Config::write_config () const
                root->add_child("PlayerBackgroundImage")->add_child_text(_player_background_image->string());
        }
        root->add_child("KDMServerURL")->add_child_text(_kdm_server_url);
-       if (_player_watermark) {
-               root->add_child("PlayerWatermark")->add_child_text(_player_watermark->string());
+       root->add_child("PlayerWatermarkTheatre")->add_child_text(_player_watermark_theatre);
+       root->add_child("PlayerWatermarkPeriod")->add_child_text(raw_convert<string>(_player_watermark_period));
+       root->add_child("PlayerWatermarkDuration")->add_child_text(raw_convert<string>(_player_watermark_duration));
+       BOOST_FOREACH (Monitor i, _required_monitors) {
+               i.as_xml(root->add_child("RequiredMonitor"));
+       }
+       if (_player_lock_file) {
+               root->add_child("PlayerLockFile")->add_child_text(_player_lock_file->string());
        }
 #endif
 
        try {
-               doc.write_to_file_formatted(config_file().string());
+               string const s = doc.write_to_string_formatted ();
+               boost::filesystem::path const cf = config_file ();
+               FILE* f = fopen_boost (cf, "w");
+               if (!f) {
+                       throw FileError (_("Could not open file for writing"), cf);
+               }
+               size_t const w = fwrite (s.c_str(), 1, s.length(), f);
+               if (w != s.length()) {
+                       fclose (f);
+                       throw FileError (_("Could not write whole file"), cf);
+               }
+               fclose (f);
        } catch (xmlpp::exception& e) {
                string s = e.what ();
                trim (s);
-               throw FileError (s, path("config.xml"));
+               throw FileError (s, config_file());
        }
 }
 
@@ -1065,7 +1115,7 @@ Config::add_to_history_internal (vector<boost::filesystem::path>& h, boost::file
                h.pop_back ();
        }
 
-       changed ();
+       changed (HISTORY);
 }
 
 bool
@@ -1201,3 +1251,15 @@ Config::copy_and_link (boost::filesystem::path new_file) const
        boost::filesystem::copy_file (config_file(), new_file, boost::filesystem::copy_option::overwrite_if_exists);
        link (new_file);
 }
+
+bool
+Config::have_write_permission () const
+{
+       FILE* f = fopen_boost (config_file(), "r+");
+       if (!f) {
+               return false;
+       }
+
+       fclose (f);
+       return true;
+}