diff options
Diffstat (limited to '')
| -rw-r--r-- | partitions.hpp | 57 |
1 files changed, 50 insertions, 7 deletions
diff --git a/partitions.hpp b/partitions.hpp index 30a025a27..d780fe560 100644 --- a/partitions.hpp +++ b/partitions.hpp @@ -19,8 +19,10 @@ #ifndef __TWRP_Partition_Manager #define __TWRP_Partition_Manager +#include <map> #include <vector> #include <string> +#include <sys/poll.h> #include "exclude.hpp" #include "tw_atomic.hpp" #include "progresstracking.hpp" @@ -35,14 +37,32 @@ struct PartitionList { unsigned int selected; }; -enum PartitionManager_Op { // PartitionManager Restore Mode for Raw_Read_Write() +struct Uevent_Block_Data { + std::string action; + std::string subsystem; + std::string block_device; + std::string type; + std::string sysfs_path; + int major; + int minor; +}; + +struct Flags_Map { + std::string Primary_Block_Device; + std::string Alternate_Block_Device; + std::string File_System; + std::string Flags; + char* fstab_line; +}; + +enum PartitionManager_Op { // PartitionManager Restore Mode for Raw_Read_Write() PM_BACKUP = 0, PM_RESTORE = 1, }; class TWPartition; -struct PartitionSettings { // Settings for backup session +struct PartitionSettings { // Settings for backup session TWPartition* Part; // Partition to pass to the partition backup loop std::string Backup_Folder; // Path to restore folder bool adbbackup; // tell the system we are backing up over adb @@ -124,14 +144,16 @@ protected: void Setup_Data_Media(); // Sets up a partition as a /data/media emulated storage partition private: - bool Process_Fstab_Line(const char *fstab_line, bool Display_Error); // Processes a fstab line + bool Process_Fstab_Line(const char *fstab_line, bool Display_Error, std::map<string, Flags_Map> *twrp_flags); // Processes a fstab line void Setup_Data_Partition(bool Display_Error); // Setup data partition after fstab processed void Setup_Cache_Partition(bool Display_Error); // Setup cache partition after fstab processed + bool Find_Wildcard_Block_Devices(const string& Device); // Searches for and finds wildcard block devices void Find_Actual_Block_Device(); // Determines the correct block device and stores it in Actual_Block_Device void Apply_TW_Flag(const unsigned flag, const char* str, const bool val); // Apply custom twrp fstab flags - void Process_TW_Flags(char *flags, bool Display_Error); // Process custom twrp fstab flags + void Process_TW_Flags(char *flags, bool Display_Error, int fstab_ver); // Process custom twrp fstab flags void Process_FS_Flags(const char *str); // Process standard fstab fs flags + void Save_FS_Flags(const string& local_File_System, int local_Mount_Flags, const string& local_Mount_Options); // Saves fs flags to a vector in case there are multiple lines in a v2 fstab with different mount flags for different file systems bool Is_File_System(string File_System); // Checks to see if the file system given is considered a file system bool Is_Image(string File_System); // Checks to see if the file system given is considered an image void Setup_File_System(bool Display_Error); // Sets defaults for a file system partition @@ -184,6 +206,8 @@ private: string Symlink_Mount_Point; // /sdcard could be the symlink mount point for /data/media string Mount_Point; // Mount point for this partition (e.g. /system or /data) string Backup_Path; // Path for backup + bool Wildcard_Block_Device; // If the block device contains an asterisk, we set this flag + string Sysfs_Entry; // For v2 fstab, if the "block device" starts with /devices then it is a sysfs entry that is handled by uevents string Primary_Block_Device; // Block device (e.g. /dev/block/mmcblk1p1) string Alternate_Block_Device; // Alternate block device (e.g. /dev/block/mmcblk1) string Decrypted_Block_Device; // Decrypted block device available after decryption @@ -223,6 +247,14 @@ private: TWExclude backup_exclusions; // Exclusions for file based backups TWExclude wipe_exclusions; // Exclusions for file based wipes (data/media devices only) + struct partition_fs_flags_struct { // This struct is used to store mount flags and options for different file systems for the same partition + string File_System; + int Mount_Flags; + string Mount_Options; + }; + + std::vector<partition_fs_flags_struct> fs_flags; // This vector stores mount flags and options for different file systems for the same partition + friend class TWPartitionManager; friend class DataManager; friend class GUIPartitionList; @@ -240,12 +272,14 @@ public: int Process_Fstab(string Fstab_Filename, bool Display_Error); // Parses the fstab and populates the partitions int Write_Fstab(); // Creates /etc/fstab file that's used by the command line for mount commands void Output_Partition_Logging(); // Outputs partition information to the log + void Output_Partition(TWPartition* Part); // Outputs partition details to the log int Mount_By_Path(string Path, bool Display_Error); // Mounts partition based on path (e.g. /system) int UnMount_By_Path(string Path, bool Display_Error); // Unmounts partition based on path int Is_Mounted_By_Path(string Path); // Checks if partition is mounted based on path int Mount_Current_Storage(bool Display_Error); // Mounts the current storage location int Mount_Settings_Storage(bool Display_Error); // Mounts the settings file storage location (usually internal) - TWPartition* Find_Partition_By_Path(string Path); // Returns a pointer to a partition based on path + TWPartition* Find_Partition_By_Path(const string& Path); // Returns a pointer to a partition based on path + TWPartition* Find_Partition_By_Block_Device(const string& Block_Device); // Returns a pointer to a partition based on block device int Check_Backup_Name(bool Display_Error); // Checks the current backup name to ensure that it is valid int Run_Backup(bool adbbackup); // Initiates a backup in the current storage int Run_Restore(const string& Restore_Name); // Restores a backup @@ -289,7 +323,7 @@ public: void Translate_Partition(const char* path, const char* resource_name, const char* default_value, const char* storage_resource_name, const char* storage_default_value); void Translate_Partition(const char* path, const char* resource_name, const char* default_value, const char* storage_resource_name, const char* storage_default_value, const char* backup_name, const char* backup_default); void Translate_Partition_Display_Names(); // Updates display names based on translations - void Decrypt_Adopted(); // Attempt to identy and decrypt any adopted storage partitions + bool Decrypt_Adopted(); // Attempt to identy and decrypt any adopted storage partitions void Remove_Partition_By_Path(string Path); // Removes / erases a partition entry from the partition list bool Flash_Image(string& path, string& filename); // Flashes an image to a selected partition from the partition list @@ -298,17 +332,26 @@ public: void Set_Active_Slot(const string& Slot); // Sets the active slot to A or B string Get_Active_Slot_Suffix(); // Returns active slot _a or _b string Get_Active_Slot_Display(); // Returns active slot A or B for display purposes + struct pollfd uevent_pfd; // Used for uevent code + void Remove_Uevent_Devices(const string& sysfs_path); // Removes subpartitions from the Partitions vector for a matched uevent device + void Handle_Uevent(const Uevent_Block_Data& uevent_data); // Handle uevent data + void setup_uevent(); // Opens the uevent netlink socket + Uevent_Block_Data get_event_block_values(char *buf, int len); // Scans the buffer from uevent data and loads the appropriate data into a Uevent_Block_Data struct for processing + void read_uevent(); // Reads uevent data into a buffer + void close_uevent(); // Closes the uevent netlink socket + void Add_Partition(TWPartition* Part); // Adds a new partition to the Partitions vector private: void Setup_Settings_Storage_Partition(TWPartition* Part); // Sets up settings storage void Setup_Android_Secure_Location(TWPartition* Part); // Sets up .android_secure if needed bool Backup_Partition(struct PartitionSettings *part_settings); // Backup the partitions based on type - void Output_Partition(TWPartition* Part); // Outputs partition details to the log TWPartition* Find_Partition_By_MTP_Storage_ID(unsigned int Storage_ID); // Returns a pointer to a partition based on MTP Storage ID bool Add_Remove_MTP_Storage(TWPartition* Part, int message_type); // Adds or removes an MTP Storage partition TWPartition* Find_Next_Storage(string Path, bool Exclude_Data_Media); int Open_Lun_File(string Partition_Path, string Lun_File); void Post_Decrypt(const string& Block_Device); // Completes various post-decrypt tasks + void Coldboot_Scan(std::vector<string> *sysfs_entries, const string& Path, int depth); // Scans subfolders to find matches to the paths stored in sysfs_entries so we can trigger the uevent system to "re-add" devices + void Coldboot(); // Starts the scan of the /sys/block folder pid_t mtppid; bool mtp_was_enabled; int mtp_write_fd; |