From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from gate001.proxmox.com (gate001.proxmox.com [IPv6:2a0f:8001:1:32::40]) by lore.proxmox.com (Postfix) with ESMTPS id 781281FF0E5 for ; Wed, 15 Jul 2026 12:11:42 +0200 (CEST) Received: from gate001.proxmox.com (localhost.localdomain [127.0.0.1]) by gate001.proxmox.com (Proxmox) with ESMTP id 3A76E2143E; Wed, 15 Jul 2026 12:11:42 +0200 (CEST) Message-ID: <579330f3-0604-46ba-8eb6-e07b336d741b@proxmox.com> Date: Wed, 15 Jul 2026 12:11:38 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH pve-firewall 1/1] fix #7818: disallow line feeds in firewall comments To: Stoiko Ivanov References: <20260715093432.34437-1-s.hanreich@proxmox.com> <20260715114753.69626912@rosa.proxmox.com> Content-Language: en-US From: Stefan Hanreich In-Reply-To: <20260715114753.69626912@rosa.proxmox.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-SPAM-LEVEL: Spam detection results: 0 AWL 0.300 Adjusted score from AWL reputation of From: address DMARC_MISSING 0.1 Missing DMARC policy KAM_DMARC_STATUS 0.01 Test Rule for DKIM or SPF Failure with Strict Alignment (newer systems) RCVD_IN_DNSWL_LOW -0.7 Sender listed at https://www.dnswl.org/, low trust SPF_HELO_NONE 0.001 SPF: HELO does not publish an SPF Record SPF_PASS -0.001 SPF: sender matches SPF record Message-ID-Hash: NUN5G5IWCXHYAKF7UO32YHG6UWWOTVPY X-Message-ID-Hash: NUN5G5IWCXHYAKF7UO32YHG6UWWOTVPY X-MailFrom: s.hanreich@proxmox.com X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; loop; banned-address; emergency; member-moderation; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header CC: pve-devel@lists.proxmox.com X-Mailman-Version: 3.3.10 Precedence: list List-Id: Proxmox VE development discussion List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: On 7/15/26 11:48 AM, Stoiko Ivanov wrote: [snip] >> +sub pve_fw_verify_comment_spec { >> + my ($comment) = @_; >> + >> + if ($comment =~ m/[\n\r]/) { > suggestion: would restrict this here to printable characters > and exclude any vertical space: > https://perldoc.perl.org/perlunicode#%5Cp%7BPrint%7D > https://perldoc.perl.org/perlunicode#%5Cp%7BVertSpace%7D > > as I'd not expect people to use control-chars in their comments > (of course that's breaking backward-compat a bit more) Yeah, should've thought of that initially as well - sent a v2 addressing that.