From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from firstgate.proxmox.com (firstgate.proxmox.com [212.224.123.68]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by lists.proxmox.com (Postfix) with ESMTPS id 4E0CABC01F for ; Thu, 28 Mar 2024 13:37:41 +0100 (CET) Received: from firstgate.proxmox.com (localhost [127.0.0.1]) by firstgate.proxmox.com (Proxmox) with ESMTP id D95DE9D79 for ; Thu, 28 Mar 2024 13:37:38 +0100 (CET) Received: from proxmox-new.maurer-it.com (proxmox-new.maurer-it.com [94.136.29.106]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by firstgate.proxmox.com (Proxmox) with ESMTPS for ; Thu, 28 Mar 2024 13:37:37 +0100 (CET) Received: from proxmox-new.maurer-it.com (localhost.localdomain [127.0.0.1]) by proxmox-new.maurer-it.com (Proxmox) with ESMTP id 53A2B42936 for ; Thu, 28 Mar 2024 13:37:37 +0100 (CET) From: Christian Ebner To: pbs-devel@lists.proxmox.com Date: Thu, 28 Mar 2024 13:36:20 +0100 Message-Id: <20240328123707.336951-12-c.ebner@proxmox.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240328123707.336951-1-c.ebner@proxmox.com> References: <20240328123707.336951-1-c.ebner@proxmox.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-SPAM-LEVEL: Spam detection results: 0 AWL 0.031 Adjusted score from AWL reputation of From: address BAYES_00 -1.9 Bayes spam probability is 0 to 1% DMARC_MISSING 0.1 Missing DMARC policy KAM_DMARC_STATUS 0.01 Test Rule for DKIM or SPF Failure with Strict Alignment SPF_HELO_NONE 0.001 SPF: HELO does not publish an SPF Record SPF_PASS -0.001 SPF: sender matches SPF record Subject: [pbs-devel] [PATCH v3 pxar 11/58] encoder/format: finish payload stream with marker X-BeenThere: pbs-devel@lists.proxmox.com X-Mailman-Version: 2.1.29 Precedence: list List-Id: Proxmox Backup Server development discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 28 Mar 2024 12:37:41 -0000 Mark the end of the optional payload stream, this makes sure that at least some bytes are written to the stream (as empty archives are not allowed by the proxmox backup server) and possible injected chunks must be consumed. Signed-off-by: Christian Ebner --- changes since version 2: - add missing Display and size_of impl for this header type examples/mk-format-hashes.rs | 5 +++++ src/encoder/mod.rs | 8 ++++++++ src/format/mod.rs | 4 ++++ 3 files changed, 17 insertions(+) diff --git a/examples/mk-format-hashes.rs b/examples/mk-format-hashes.rs index 83adb38..de73df0 100644 --- a/examples/mk-format-hashes.rs +++ b/examples/mk-format-hashes.rs @@ -56,6 +56,11 @@ const CONSTANTS: &[(&str, &str, &str)] = &[ "PXAR_GOODBYE_TAIL_MARKER", "__PROXMOX_FORMAT_PXAR_GOODBYE_TAIL_MARKER__", ), + ( + "The end marker used in the separate payload stream", + "PXAR_PAYLOAD_TAIL_MARKER", + "__PROXMOX_FORMAT_PXAR_PAYLOAD_TAIL_MARKER__", + ), ]; fn main() { diff --git a/src/encoder/mod.rs b/src/encoder/mod.rs index 6458bc0..24dcbc9 100644 --- a/src/encoder/mod.rs +++ b/src/encoder/mod.rs @@ -871,6 +871,14 @@ impl<'a, T: SeqWrite + 'a> EncoderImpl<'a, T> { } if let EncoderOutput::Owned(Some(output)) = &mut self.payload_output { + let mut dummy_writer = 0; + seq_write_pxar_entry( + output, + format::PXAR_PAYLOAD_TAIL_MARKER, + &[], + &mut dummy_writer, + ) + .await?; flush(output).await?; } diff --git a/src/format/mod.rs b/src/format/mod.rs index 1fda535..10192e7 100644 --- a/src/format/mod.rs +++ b/src/format/mod.rs @@ -106,6 +106,8 @@ pub const PXAR_PAYLOAD_REF: u64 = 0x419d3d6bc4ba977e; pub const PXAR_GOODBYE: u64 = 0x2fec4fa642d5731d; /// The end marker used in the GOODBYE object pub const PXAR_GOODBYE_TAIL_MARKER: u64 = 0xef5eed5b753e1555; +/// The end marker used in the separate payload stream +pub const PXAR_PAYLOAD_TAIL_MARKER: u64 = 0x6c72b78b984c81b5; #[derive(Debug, Endian)] #[repr(C)] @@ -156,6 +158,7 @@ impl Header { PXAR_ENTRY => size_of::() as u64, PXAR_PAYLOAD | PXAR_GOODBYE => u64::MAX - (size_of::() as u64), PXAR_PAYLOAD_REF => size_of::() as u64, + PXAR_PAYLOAD_TAIL_MARKER => size_of::
() as u64, _ => u64::MAX - (size_of::() as u64), } } @@ -197,6 +200,7 @@ impl Display for Header { PXAR_ENTRY => "ENTRY", PXAR_PAYLOAD => "PAYLOAD", PXAR_PAYLOAD_REF => "PAYLOAD_REF", + PXAR_PAYLOAD_TAIL_MARKER => "PXAR_PAYLOAD_TAIL_MARKER", PXAR_GOODBYE => "GOODBYE", _ => "UNKNOWN", }; -- 2.39.2