summaryrefslogtreecommitdiffstats
path: root/partitions.hpp
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--partitions.hpp57
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;