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Rewrite backup generator fot multiple files
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,79 @@ | ||
| import Foundation | ||
|
|
||
| class FileToRestore { | ||
| var from, to: URL | ||
| var owner, group: Int32 | ||
| init(from: URL, to: URL, owner: Int32 = 0, group: Int32 = 0) { | ||
| self.from = from | ||
| self.to = to | ||
| self.owner = owner | ||
| self.group = group | ||
| } | ||
| } | ||
|
|
||
| struct Restore { | ||
| static func createBackupFiles(files: [FileToRestore]) -> Backup { | ||
| // create the files to be backed up | ||
| var filesList : [BackupFile] = [ | ||
| Directory(path: "", domain: "RootDomain"), | ||
| Directory(path: "Library", domain: "RootDomain"), | ||
| Directory(path: "Library/Preferences", domain: "RootDomain") | ||
| ] | ||
|
|
||
| // create the links | ||
| for (index, file) in files.enumerated() { | ||
| let contents = try! Data(contentsOf: file.from) | ||
| filesList.append(ConcreteFile( | ||
| path: "Library/Preferences/temp\(index)", | ||
| domain: "RootDomain", | ||
| contents: contents, | ||
| owner: file.owner, | ||
| group: file.group, | ||
| inode: UInt64(index))) | ||
| } | ||
|
|
||
| // add the file paths | ||
| for (index, file) in files.enumerated() { | ||
| let restoreFilePath = file.to.path(percentEncoded: false) | ||
| var basePath = "/var/backup" | ||
| // set it to work in the separate volumes (prevents a bootloop) | ||
| if restoreFilePath.hasPrefix("/var/mobile/") { | ||
| // required on iOS 17.0+ since /var/mobile is on a separate partition | ||
| basePath = "/var/mobile/backup" | ||
| } else if restoreFilePath.hasPrefix("/private/var/mobile/") { | ||
| basePath = "/private/var/mobile/backup" | ||
| } else if restoreFilePath.hasPrefix("/private/var/") { | ||
| basePath = "/private/var/backup" | ||
| } | ||
| filesList.append(Directory( | ||
| path: "", | ||
| domain: "SysContainerDomain-../../../../../../../..\(basePath)\(file.to.deletingLastPathComponent().path(percentEncoded: false))", | ||
| owner: file.owner, | ||
| group: file.group | ||
| )) | ||
| filesList.append(ConcreteFile( | ||
| path: "", | ||
| domain: "SysContainerDomain-../../../../../../../..\(basePath)\(file.to.path(percentEncoded: false))", | ||
| contents: Data(), | ||
| owner: file.owner, | ||
| group: file.group, | ||
| inode: UInt64(index))) | ||
| } | ||
|
|
||
| // break the hard links | ||
| for (index, _) in files.enumerated() { | ||
| filesList.append(ConcreteFile( | ||
| path: "", | ||
| domain: "SysContainerDomain-../../../../../../../../var/.backup.i/var/root/Library/Preferences/temp\(index)", | ||
| contents: Data(), | ||
| owner: 501, | ||
| group: 501)) | ||
| } | ||
|
|
||
| // crash on purpose | ||
| filesList.append(ConcreteFile(path: "", domain: "SysContainerDomain-../../../../../../../../crash_on_purpose", contents: Data())) | ||
|
|
||
| // create the backup | ||
| return Backup(files: filesList) | ||
| } | ||
| } |