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 8579991B42 for ; Tue, 15 Nov 2022 09:34:47 +0100 (CET) Received: from firstgate.proxmox.com (localhost [127.0.0.1]) by firstgate.proxmox.com (Proxmox) with ESMTP id 6179E35CB for ; Tue, 15 Nov 2022 09:34:17 +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 ; Tue, 15 Nov 2022 09:34:16 +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 80C8541C13 for ; Tue, 15 Nov 2022 09:34:16 +0100 (CET) Message-ID: <23adf200-7688-a840-5f19-793dad9061b3@proxmox.com> Date: Tue, 15 Nov 2022 09:34:15 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.4.2 To: Proxmox VE development discussion , Dominik Csapak References: <20221114094404.1241050-1-d.csapak@proxmox.com> <20221114094404.1241050-6-d.csapak@proxmox.com> Content-Language: en-US From: Aaron Lauterer In-Reply-To: <20221114094404.1241050-6-d.csapak@proxmox.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-SPAM-LEVEL: Spam detection results: =?UTF-8?Q?0=0A=09?=AWL -0.044 Adjusted score from AWL reputation of From: =?UTF-8?Q?address=0A=09?=BAYES_00 -1.9 Bayes spam probability is 0 to 1% KAM_DMARC_STATUS 0.01 Test Rule for DKIM or SPF Failure with Strict =?UTF-8?Q?Alignment=0A=09?=NICE_REPLY_A -0.001 Looks like a legit reply (A) SPF_HELO_NONE 0.001 SPF: HELO does not publish an SPF =?UTF-8?Q?Record=0A=09?=SPF_PASS -0.001 SPF: sender matches SPF =?UTF-8?Q?record=0A=09?=URIBL_BLOCKED 0.001 ADMINISTRATOR NOTICE: The query to URIBL was blocked. See http://wiki.apache.org/spamassassin/DnsBlocklists#dnsbl-block for more information. [qemu.pm] Subject: Re: [pve-devel] [PATCH qemu-server v9 1/1] api: update: improve tag privilege check X-BeenThere: pve-devel@lists.proxmox.com X-Mailman-Version: 2.1.29 Precedence: list List-Id: Proxmox VE development discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 15 Nov 2022 08:34:47 -0000 a small nit inline On 11/14/22 10:43, Dominik Csapak wrote: > 'normal' tags require 'VM.Config.Options' on '/vm/', but not > allowed tags (either limited with 'user-tag-access' or 'privileged-tags' > in the datacenter config) require 'Sys.Modify' on '/' > > this patch implements the proper checks on adding/editing/deleting > these permissions > > Signed-off-by: Dominik Csapak > --- > changes from v8: > * adapt to 'get_allowed_tags' > * cache privilege checks (so we don't have to do it when many tags change) > PVE/API2/Qemu.pm | 53 +++++++++++++++++++++++++++++++++++++++++++++++- > 1 file changed, 52 insertions(+), 1 deletion(-) > > diff --git a/PVE/API2/Qemu.pm b/PVE/API2/Qemu.pm > index 30348e6..269451c 100644 > --- a/PVE/API2/Qemu.pm > +++ b/PVE/API2/Qemu.pm > @@ -539,7 +539,6 @@ my $generaloptions = { > 'startup' => 1, > 'tdf' => 1, > 'template' => 1, > - 'tags' => 1, > }; > > my $vmpoweroptions = { > @@ -609,6 +608,7 @@ my $check_vm_modify_config_perm = sub { > next if PVE::QemuServer::is_valid_drivename($opt); > next if $opt eq 'cdrom'; > next if $opt =~ m/^(?:unused|serial|usb)\d+$/; > + next if $opt eq 'tags'; > > > if ($cpuoptions->{$opt} || $opt =~ m/^numa\d+$/) { > @@ -1631,6 +1631,31 @@ my $update_vm_api = sub { > } > }; > > + my $allowed_tags; > + my $privileged_tags; > + my $freeform; > + my $privileged_user = $rpcenv->check($authuser, '/', ['Sys.Modify'], 1); > + my $has_config_options = > + $rpcenv->check_vm_perm($authuser, $vmid, undef, ['VM.Config.Options'], 1); > + > + my $check_tag_perms = sub { > + my ($tag) = @_; > + > + return if $privileged_user; > + > + $rpcenv->check_vm_perm($authuser, $vmid, undef, ['VM.Config.Options']) > + if !$has_config_options; > + > + if (!defined($allowed_tags) && !defined($privileged_tags) && !defined($freeform)) { > + ($allowed_tags, $privileged_tags, $freeform) > + = PVE::DataCenterConfig::get_allowed_tags($rpcenv, $authuser); > + } > + > + if ((!$allowed_tags->{$tag} && !$freeform) || $privileged_tags->{$tag}) { > + die "'Sys.Modify' required on '/' for modifying tag $tag\n" if !$privileged_user; would be nice if the tag would be within '. Putting $tag into {} would be a bit cleaner as well: ... for modifying tag '${tag}'\n" ... > + } > + }; [...]