* Software Update with apply the settings (Part11)

- Deletelist added to delete files or directories from image
- Files/Directories are marked by a prefixed '~' in the settingsupdate.conf
- Rework readBackupList()

data/locale/deutsch.locale

@@ -486,6 +486,7 @@ flashupdate.settings Update-Einstellungen
 flashupdate.squashfs.noversion Bei Updates werden Versionsüberprüfungen derzeit nur über Web-Updates unterstützt.\nWollen Sie das ausgewählte Image wirklich installieren?
 flashupdate.titlereadflash Flash auslesen
 flashupdate.titlewriteflash Flash schreiben
+flashupdate.update_with_settings_del_skipped Ordner [%s] kann nicht gelöscht werden. Eintrag wird übersprungen.
 flashupdate.update_with_settings_processed Image wird bearbeitet...
 flashupdate.update_with_settings_skipped Ordner [%s] kann nicht gesichert werden. Eintrag wird übersprungen.
 flashupdate.update_with_settings_successfully Settingsübernahme erfolgreich.\nDas Image kann jetzt geflasht werden.

data/locale/english.locale

@@ -486,6 +486,7 @@ flashupdate.settings Update settings
 flashupdate.squashfs.noversion SquashFS version checks are currently only supported when updating over the web.\nAre you sure that you wish to install this image?
 flashupdate.titlereadflash Reading Flash
 flashupdate.titlewriteflash Writing Flash
+flashupdate.update_with_settings_del_skipped Folder [%s] can not be deleted. Entry is skipped.
 flashupdate.update_with_settings_processed Image is being processed...
 flashupdate.update_with_settings_skipped Folder [%s] can not be saved. Entry is skipped.
 flashupdate.update_with_settings_successfully Setting takeover successfully.\nThe image can now be flashed.

data/settingsupdate.conf

@@ -37,3 +37,10 @@
 -/var/tuxbox/config/satellites.xml
 -/var/tuxbox/config/settingsupdate.conf
 -/var/tuxbox/config/tobackup.conf
+
+#----------------------------------------------------------------------------
+## nach der Sicherung aus dem neuen Image zu l<>schende Dateien/Verzeichnisse,
+## gekennzeichnet durch ein vorangestelltes ~
+# z.B.
+# ~/share/tuxbox/neutrino/themes/Classic.theme
+#----------------------------------------------------------------------------

src/gui/ext_update.cpp

@@ -73,7 +73,9 @@ CExtUpdate::CExtUpdate()
 	fLogfile        = "/tmp/update.log";
 	mountPkt 	= "/tmp/image_mount";
 	FileHelpers 	= NULL;
-	BlackList.clear();
+	copyList.clear();
+	blackList.clear();
+	deleteList.clear();
 }
 
 CExtUpdate::~CExtUpdate()
@@ -82,7 +84,9 @@ CExtUpdate::~CExtUpdate()
 		delete[] MTDBuf;
 	if(FileHelpers)
 		delete[] FileHelpers;
-	BlackList.clear();
+	copyList.clear();
+	blackList.clear();
+	deleteList.clear();
 }
 
 CExtUpdate* CExtUpdate::getInstance()
@@ -120,6 +124,7 @@ bool CExtUpdate::ErrorReset(bool modus, const std::string & msg1, const std::str
 	}
 	if(hintBox)
 		hintBox->hide();
+	sync();
 	return false;
 }
 
@@ -339,6 +344,7 @@ bool CExtUpdate::applySettings()
 	if(hintBox)
 		hintBox->hide();
 
+	sync();
 	return true;
 }
 
@@ -399,6 +405,40 @@ bool CExtUpdate::copyFileList(const std::string & fileList, const std::string &
 	return true;
 }
 
+bool CExtUpdate::deleteFileList(const std::string & fileList)
+{
+	Wildcard = "";
+	struct dirent **namelist;
+	std::string fList = fileList;
+	static struct stat FileInfo;
+
+	size_t pos = fileList.find_last_of("/");
+	fList = fileList.substr(0, pos);
+	Wildcard = fileList.substr(pos+1);
+
+	int n = scandir(fList.c_str(), &namelist, fileSelect, 0);
+	if (n > 0) {
+		while (n--) {
+			std::string dName = namelist[n]->d_name;
+			if (lstat((fList+"/"+dName).c_str(), &FileInfo) != -1) {
+				if (S_ISDIR(FileInfo.st_mode)) {
+					// Directory
+					WRITE_UPDATE_LOG("delete directory: %s\n", (fList+"/"+dName).c_str());
+					FileHelpers->removeDir((fList+"/"+dName).c_str());
+				}
+				else if (S_ISREG(FileInfo.st_mode)) {
+					// File
+					WRITE_UPDATE_LOG("delete file: %s\n", (fList+"/"+dName).c_str());
+					unlink((fList+"/"+dName).c_str());
+				}
+			}
+			free(namelist[n]);
+		}
+		free(namelist);
+	}
+	return true;
+}
+
 bool CExtUpdate::findConfigEntry(std::string & line, std::string find)
 {
 	if (line.find("#:" + find + "=") == 0) {
@@ -430,7 +470,7 @@ bool CExtUpdate::readConfig(const std::string & line)
 
 bool CExtUpdate::isBlacklistEntry(const std::string & file)
 {
-	for(vector<std::string>::iterator it = BlackList.begin(); it != BlackList.end(); ++it) {
+	for(vector<std::string>::iterator it = blackList.begin(); it != blackList.end(); ++it) {
 		if (*it == file) {
 			DBG_MSG("BlacklistEntry %s\n", (*it).c_str());
 			WRITE_UPDATE_LOG("BlacklistEntry: %s\n", (*it).c_str());
@@ -440,6 +480,20 @@ bool CExtUpdate::isBlacklistEntry(const std::string & file)
 	return false;
 }
 
+bool CExtUpdate::checkSpecialFolders(std::string line, bool copy)
+{
+	if ((line == "/") || (line == "/*") || (line == "/*.*") || (line.find("/dev") == 0) || (line.find("/proc") == 0) || 
+			(line.find("/sys") == 0) || (line.find("/mnt") == 0) || (line.find("/tmp") == 0)) {
+		char buf[PATH_MAX];
+		neutrino_locale_t msg = (copy) ? LOCALE_FLASHUPDATE_UPDATE_WITH_SETTINGS_SKIPPED : LOCALE_FLASHUPDATE_UPDATE_WITH_SETTINGS_DEL_SKIPPED;
+		snprintf(buf, sizeof(buf), g_Locale->getText(msg), line.c_str());
+		WRITE_UPDATE_LOG("%s%s", buf, "\n");
+		ShowMsgUTF(LOCALE_MESSAGEBOX_INFO, buf, CMessageBox::mbrOk, CMessageBox::mbOk, NEUTRINO_ICON_INFO);
+		return true;
+	}
+	return false;
+}
+
 bool CExtUpdate::readBackupList(const std::string & dstPath)
 {
 	char buf[PATH_MAX];
@@ -470,37 +524,18 @@ bool CExtUpdate::readBackupList(const std::string & dstPath)
 	size_t pos;
 	std::string line;
 
-	// read blacklist
-	BlackList.clear();
-	while(fgets(buf, sizeof(buf), f1) != NULL) {
-		line = buf;
-		line = trim(line);
-		// ignore comments
-		if (line.find_first_of("#") == 0)
-			continue;
-		pos = line.find_first_of("#");
-		if (pos != std::string::npos) {
-			line = line.substr(0, pos);
-			line = trim(line);
-		}
-		// find blacklist entry
-		if (line.find_first_of("-") == 0) {
-			line = line.substr(1);
-			if ((line.length() > 1) && (lstat(line.c_str(), &FileInfo) != -1)) {
-				if (S_ISREG(FileInfo.st_mode))
-					BlackList.push_back(line);
-			}
-		}
-	}
-
-	// read backuplist
-	fseek(f1, 0, SEEK_SET);
+	// read blacklist and config vars
+	copyList.clear();
+	blackList.clear();
+	deleteList.clear();
 	while(fgets(buf, sizeof(buf), f1) != NULL) {
+		std::string tmpLine;
 		line = buf;
 		line = trim(line);
 		// ignore comments
 		if (line.find_first_of("#") == 0) {
-			if (line.find_first_of(":") == 1) { // config vars
+			// config vars
+			if (line.find_first_of(":") == 1) {
 				if (line.length() > 1)
 					readConfig(line);
 			}
@@ -511,27 +546,39 @@ bool CExtUpdate::readBackupList(const std::string & dstPath)
 			line = line.substr(0, pos);
 			line = trim(line);
 		}
-
-		// '+' add entry = default
-		if (line.find_first_of("+") == 0)
-			line = line.substr(1);
-
-		// '-' blacklist entry
-		if (line.find_first_of("-") == 0)
-			continue;
-
-		// Entry '~' (delete) ignore currently still
-		if (line.find_first_of("~") == 0)
-			continue;
-
-		// special folders
-		else if ((line == "/") || (line == "/*") || (line == "/*.*") || (line.find("/dev") == 0) || (line.find("/proc") == 0) || 
-			 (line.find("/sys") == 0) || (line.find("/mnt") == 0) || (line.find("/tmp") == 0)) {
-			snprintf(buf, sizeof(buf), g_Locale->getText(LOCALE_FLASHUPDATE_UPDATE_WITH_SETTINGS_SKIPPED), line.c_str());
-			WRITE_UPDATE_LOG("%s%s", buf, "\n");
-			ShowMsgUTF(LOCALE_MESSAGEBOX_INFO, buf, CMessageBox::mbrOk, CMessageBox::mbOk, NEUTRINO_ICON_INFO);
-			continue;
+		// find blackList entry
+		if (line.find_first_of("-") == 0) {
+			tmpLine = line.substr(1);
+			if ((tmpLine.length() > 1) && (lstat(tmpLine.c_str(), &FileInfo) != -1)) {
+				if (S_ISREG(FileInfo.st_mode))
+					blackList.push_back(tmpLine);
+			}
 		}
+		// find deleteList entry
+		else if (line.find_first_of("~") == 0) {
+			tmpLine = line.substr(1);
+			if (checkSpecialFolders(tmpLine, false))
+				continue;
+			tmpLine = dstPath + tmpLine;
+			if (line.length() > 2)
+				deleteList.push_back(tmpLine);
+		}
+		// find copyList entry
+		else {
+			tmpLine = (line.find_first_of("+") == 0) ? line.substr(1) : line; // '+' add entry = default
+			if (checkSpecialFolders(tmpLine, true))
+				continue;
+			if (tmpLine.length() > 1)
+				copyList.push_back(tmpLine);
+		}
+	}
+	fclose(f1);
+
+	// read copyList
+	vector<std::string>::iterator it;
+	for(it = copyList.begin(); it != copyList.end(); ++it) {
+		line = *it;
+		line = trim(line);
 		// remove '/' from line end
 		size_t len = line.length();
 		pos = line.find_last_of("/");
@@ -573,8 +620,29 @@ bool CExtUpdate::readBackupList(const std::string & dstPath)
 		
 		}
 	}
-	fclose(f1);
 
+	// read DeleteList
+	for(it = deleteList.begin(); it != deleteList.end(); ++it) {
+		line = *it;
+		if (lstat(line.c_str(), &FileInfo) != -1) {
+			if ((line.find("*") != std::string::npos) || (line.find("?") != std::string::npos)) {
+				// Wildcards
+				WRITE_UPDATE_LOG("delete file list: %s\n", line.c_str());
+				deleteFileList(line.c_str());
+			}
+			else if (S_ISREG(FileInfo.st_mode)) {
+				// File
+				WRITE_UPDATE_LOG("delete file: %s\n", line.c_str());
+				unlink(line.c_str());
+			}
+			else if (S_ISDIR(FileInfo.st_mode)){
+				// Directory
+				WRITE_UPDATE_LOG("delete directory: %s\n", line.c_str());
+				FileHelpers->removeDir(line.c_str());
+			}
+		}
+	}
+	sync();
 	return true;
 }
 

src/gui/ext_update.h

@@ -54,14 +54,16 @@ class CExtUpdate
 		std::string backupList, defaultBackup;
 		std::string mountPkt;
 		CFileHelpers* FileHelpers;
-		std::vector<std::string> BlackList;
+		std::vector<std::string> copyList, blackList, deleteList;
 
 		bool applySettings(void);
 		bool readBackupList(const std::string & dstPath);
 		bool copyFileList(const std::string & fileList, const std::string & dstPath);
+		bool deleteFileList(const std::string & fileList);
 		bool readConfig(const std::string & Config);
 		bool findConfigEntry(std::string & line, std::string find);
 		bool isMtdramLoad();
+		bool checkSpecialFolders(std::string line, bool copy);
 
 		FILE * fUpdate;
 		char updateLogBuf[1024];

src/system/locals.h

@@ -513,6 +513,7 @@ typedef enum
 	LOCALE_FLASHUPDATE_SQUASHFS_NOVERSION,
 	LOCALE_FLASHUPDATE_TITLEREADFLASH,
 	LOCALE_FLASHUPDATE_TITLEWRITEFLASH,
+	LOCALE_FLASHUPDATE_UPDATE_WITH_SETTINGS_DEL_SKIPPED,
 	LOCALE_FLASHUPDATE_UPDATE_WITH_SETTINGS_PROCESSED,
 	LOCALE_FLASHUPDATE_UPDATE_WITH_SETTINGS_SKIPPED,
 	LOCALE_FLASHUPDATE_UPDATE_WITH_SETTINGS_SUCCESSFULLY,

src/system/locals_intern.h

@@ -513,6 +513,7 @@ const char * locale_real_names[] =
 	"flashupdate.squashfs.noversion",
 	"flashupdate.titlereadflash",
 	"flashupdate.titlewriteflash",
+	"flashupdate.update_with_settings_del_skipped",
 	"flashupdate.update_with_settings_processed",
 	"flashupdate.update_with_settings_skipped",
 	"flashupdate.update_with_settings_successfully",