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src/backup/catalog.rs: write MAGIC at start of file

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This commit is contained in:
Dietmar Maurer 2019-11-10 11:34:55 +01:00
parent 265664517a
commit c74c074bfd
2 changed files with 7 additions and 1 deletions
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5
src/backup/catalog.rs
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@ -9,6 +9,7 @@ use chrono::offset::{TimeZone, Local};
use proxmox::tools::io::ReadExt;
use crate::pxar::catalog::{BackupCatalogWriter, CatalogEntryType};
use crate::backup::file_formats::PROXMOX_CATALOG_FILE_MAGIC_1_0;
enum DirEntry {
Directory { name: Vec<u8>, start: u64 },
@ -154,7 +155,9 @@ pub struct CatalogWriter<W> {
impl <W: Write> CatalogWriter<W> {
pub fn new(writer: W) -> Result<Self, Error> {
Ok(Self { writer, dirstack: vec![ DirInfo::new_rootdir() ], pos: 0 })
let mut me = Self { writer, dirstack: vec![ DirInfo::new_rootdir() ], pos: 0 };
me.write_all(&PROXMOX_CATALOG_FILE_MAGIC_1_0)?;
Ok(me)
}
pub fn finish(&mut self) -> Result<(), Error> {

3
src/backup/file_formats.rs
View File

@ -2,6 +2,9 @@ use endian_trait::Endian;
// WARNING: PLEASE DO NOT MODIFY THOSE MAGIC VALUES
// openssl::sha::sha256(b"Proxmox Backup Catalog file v1.0")[0..8]
pub const PROXMOX_CATALOG_FILE_MAGIC_1_0: [u8; 8] = [145, 253, 96, 249, 196, 103, 88, 213];
// openssl::sha::sha256(b"Proxmox Backup uncompressed blob v1.0")[0..8]
pub const UNCOMPRESSED_BLOB_MAGIC_1_0: [u8; 8] = [66, 171, 56, 7, 190, 131, 112, 161];