add functions to make rootfs RW/RO everytime something needs to be saved

Signed-off-by: Vincent-FK <vincent.buso@funkey-project.com>

RetroFE/Source/Collection/CollectionInfo.cpp

@@ -82,6 +82,8 @@ bool CollectionInfo::Save()
         std::string file = Utils::combinePath(Configuration::absolutePath, "collections", name, "playlists/favorites.txt");
         Logger::write(Logger::ZONE_INFO, "Collection", "Saving " + file);
 
+        Utils::rootfsWritable();
+
         std::ofstream filestream;
         try
         {
@@ -95,6 +97,7 @@ bool CollectionInfo::Save()
                     if(ERROR_ALREADY_EXISTS != GetLastError())
                     {
                         Logger::write(Logger::ZONE_WARNING, "Collection", "Could not create directory " + dir);
+                        Utils::rootfsReadOnly();
                         return false;
                     }
                 }
@@ -106,6 +109,7 @@ bool CollectionInfo::Save()
 #endif        
                 {
                     Logger::write(Logger::ZONE_WARNING, "Collection", "Could not create directory " + dir);
+                    Utils::rootfsReadOnly();
                     return false;
                 }
 #endif
@@ -113,6 +117,7 @@ bool CollectionInfo::Save()
             else if ( !(info.st_mode & S_IFDIR) )
             {
                 Logger::write(Logger::ZONE_WARNING, "Collection", dir + " exists, but is not a directory.");
+                Utils::rootfsReadOnly();
                 return false;
             }
 
@@ -138,6 +143,8 @@ bool CollectionInfo::Save()
             retval = false;
         }
     }
+
+    Utils::rootfsReadOnly();
     
     return retval;
 }

RetroFE/Source/Collection/CollectionInfoBuilder.cpp

@@ -92,6 +92,8 @@ bool CollectionInfoBuilder::createCollectionDirectory(std::string name)
     std::string filename = Utils::combinePath(collectionPath, "include.txt");
     std::cout << "Creating file \"" << filename << "\"" << std::endl;
 
+    Utils::rootfsWritable();
+
     std::ofstream includeFile;
     includeFile.open(filename.c_str());
     includeFile << "# Add a list of files to show on the menu (one filename per line, without the extension)." << std::endl;
@@ -140,6 +142,8 @@ bool CollectionInfoBuilder::createCollectionDirectory(std::string name)
     std::ofstream menuFile;
     menuFile.open(filename.c_str());
     menuFile.close();
+    
+    Utils::rootfsReadOnly();
 
     return true;
 }

RetroFE/Source/Database/Configuration.cpp

@@ -287,10 +287,12 @@ bool Configuration::exportCurrentLayout(std::string layoutFilePath, std::string
     Logger::write(Logger::ZONE_INFO, "Configuration", "Exporting layout \"" + layoutName +
 		  "\" in file \"" + layoutFilePath +"\"");
 
+    Utils::rootfsWritable();
     std::ofstream layoutFile;
     layoutFile.open(layoutFilePath.c_str());
     layoutFile << layoutName << std::endl;
     layoutFile.close();
+    Utils::rootfsReadOnly();
 
     return retVal;
 }

RetroFE/Source/Utility/Utils.cpp

@@ -292,6 +292,22 @@ bool Utils::executeRawPath(const char *shellCmd)
     return retVal;
 }
 
+bool Utils::rootfsWritable()
+{
+    bool retVal = false;
+    Logger::write(Logger::ZONE_DEBUG, "Utils", "Making rootfs writable with " + std::string(SHELL_CMD_ROOTFS_RW));
+    retVal = executeRawPath(SHELL_CMD_ROOTFS_RW);
+    return retVal;
+}
+
+bool Utils::rootfsReadOnly()
+{
+    bool retVal = false;
+    Logger::write(Logger::ZONE_DEBUG, "Utils", "Making rootfs read only with " + std::string(SHELL_CMD_ROOTFS_RO));
+    retVal = executeRawPath(SHELL_CMD_ROOTFS_RO);
+    return retVal;
+}
+
 int Utils::termfix(uint32_t ttyId){
     // Init tty file path
     char ttyFilePath[100];

RetroFE/Source/Utility/Utils.h

@@ -19,6 +19,10 @@
 #include <vector>
 #include <list>
 #include <stdint.h>
+
+#define SHELL_CMD_ROOTFS_RW             "rw"
+#define SHELL_CMD_ROOTFS_RO             "ro"
+
 class Utils
 {
 public:
@@ -45,6 +49,8 @@ public:
     static std::string combinePath(std::string path1, std::string path2, std::string path3, std::string path4, std::string path5);
 
     static bool executeRawPath(const char *shellCmd);
+    static bool rootfsWritable();
+    static bool rootfsReadOnly();
 
     static int termfix(uint32_t ttyId);
     static int getVTid();