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Mon, 6 Nov 2023 15:46:22 +0100 (CET) Message-ID: <043e2876-6a1f-4e76-94f5-a85c7643e2b2@proxmox.com> Date: Mon, 6 Nov 2023 15:46:21 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Beta Content-Language: de-AT, en-US To: Proxmox VE development discussion , =?UTF-8?Q?Fabian_Gr=C3=BCnbichler?= References: <20230614104215.359768-1-f.gruenbichler@proxmox.com> <20230614104215.359768-4-f.gruenbichler@proxmox.com> From: Thomas Lamprecht Autocrypt: addr=t.lamprecht@proxmox.com; keydata= xsFNBFsLjcYBEACsaQP6uTtw/xHTUCKF4VD4/Wfg7gGn47+OfCKJQAD+Oyb3HSBkjclopC5J uXsB1vVOfqVYE6PO8FlD2L5nxgT3SWkc6Ka634G/yGDU3ZC3C/7NcDVKhSBI5E0ww4Qj8s9w OQRloemb5LOBkJNEUshkWRTHHOmk6QqFB/qBPW2COpAx6oyxVUvBCgm/1S0dAZ9gfkvpqFSD 90B5j3bL6i9FIv3YGUCgz6Ue3f7u+HsEAew6TMtlt90XV3vT4M2IOuECG/pXwTy7NtmHaBQ7 UJBcwSOpDEweNob50+9B4KbnVn1ydx+K6UnEcGDvUWBkREccvuExvupYYYQ5dIhRFf3fkS4+ wMlyAFh8PQUgauod+vqs45FJaSgTqIALSBsEHKEs6IoTXtnnpbhu3p6XBin4hunwoBFiyYt6 YHLAM1yLfCyX510DFzX/Ze2hLqatqzY5Wa7NIXqYYelz7tXiuCLHP84+sV6JtEkeSUCuOiUY virj6nT/nJK8m0BzdR6FgGtNxp7RVXFRz/+mwijJVLpFsyG1i0Hmv2zTn3h2nyGK/I6yhFNt dX69y5hbo6LAsRjLUvZeHXpTU4TrpN/WiCjJblbj5um5eEr4yhcwhVmG102puTtuCECsDucZ jpKpUqzXlpLbzG/dp9dXFH3MivvfuaHrg3MtjXY1i+/Oxyp5iwARAQABzTNUaG9tYXMgTGFt cHJlY2h0IChBdXRoLTQpIDx0LmxhbXByZWNodEBwcm94bW94LmNvbT7CwY4EEwEIADgWIQQO R4qbEl/pah9K6VrTZCM6gDZWBgUCWwuNxgIbAwULCQgHAgYVCAkKCwIEFgIDAQIeAQIXgAAK CRDTZCM6gDZWBm/jD/4+6JB2s67eaqoP6x9VGaXNGJPCscwzLuxDTCG90G9FYu29VcXtubH/ bPwsyBbNUQpqTm/s4XboU2qpS5ykCuTjqavrcP33tdkYfGcItj2xMipJ1i3TWvpikQVsX42R G64wovLs/dvpTYphRZkg5DwhgTmy3mRkmofFCTa+//MOcNOORltemp984tWjpR3bUJETNWpF sKGZHa3N4kCNxb7A+VMsJZ/1gN3jbQbQG7GkJtnHlWkw9rKCYqBtWrnrHa4UAvSa9M/XCIAB FThFGqZI1ojdVlv5gd6b/nWxfOPrLlSxbUo5FZ1i/ycj7/24nznW1V4ykG9iUld4uYUY86bB UGSjew1KYp9FmvKiwEoB+zxNnuEQfS7/Bj1X9nxizgweiHIyFsRqgogTvLh403QMSGNSoArk tqkorf1U+VhEncIn4H3KksJF0njZKfilrieOO7Vuot1xKr9QnYrZzJ7m7ZxJ/JfKGaRHXkE1 feMmrvZD1AtdUATZkoeQtTOpMu4r6IQRfSdwm/CkppZXfDe50DJxAMDWwfK2rr2bVkNg/yZI tKLBS0YgRTIynkvv0h8d9dIjiicw3RMeYXyqOnSWVva2r+tl+JBaenr8YTQw0zARrhC0mttu cIZGnVEvQuDwib57QLqMjQaC1gazKHvhA15H5MNxUhwm229UmdH3KM7BTQRbC43GARAAyTkR D6KRJ9Xa2fVMh+6f186q0M3ni+5tsaVhUiykxjsPgkuWXWW9MbLpYXkzX6h/RIEKlo2BGA95 QwG5+Ya2Bo3g7FGJHAkXY6loq7DgMp5/TVQ8phsSv3WxPTJLCBq6vNBamp5hda4cfXFUymsy HsJy4dtgkrPQ/bnsdFDCRUuhJHopnAzKHN8APXpKU6xV5e3GE4LwFsDhNHfH/m9+2yO/trcD txSFpyftbK2gaMERHgA8SKkzRhiwRTt9w5idOfpJVkYRsgvuSGZ0pcD4kLCOIFrer5xXudk6 NgJc36XkFRMnwqrL/bB4k6Pi2u5leyqcXSLyBgeHsZJxg6Lcr2LZ35+8RQGPOw9C0ItmRjtY ZpGKPlSxjxA1WHT2YlF9CEt3nx7c4C3thHHtqBra6BGPyW8rvtq4zRqZRLPmZ0kt/kiMPhTM 8wZAlObbATVrUMcZ/uNjRv2vU9O5aTAD9E5r1B0dlqKgxyoImUWB0JgpILADaT3VybDd3C8X s6Jt8MytUP+1cEWt9VKo4vY4Jh5vwrJUDLJvzpN+TsYCZPNVj18+jf9uGRaoK6W++DdMAr5l gQiwsNgf9372dbMI7pt2gnT5/YdG+ZHnIIlXC6OUonA1Ro/Itg90Q7iQySnKKkqqnWVc+qO9 GJbzcGykxD6EQtCSlurt3/5IXTA7t6sAEQEAAcLBdgQYAQgAIBYhBA5HipsSX+lqH0rpWtNk IzqANlYGBQJbC43GAhsMAAoJENNkIzqANlYGD1sP/ikKgHgcspEKqDED9gQrTBvipH85si0j /Jwu/tBtnYjLgKLh2cjv1JkgYYjb3DyZa1pLsIv6rGnPX9bH9IN03nqirC/Q1Y1lnbNTynPk IflgvsJjoTNZjgu1wUdQlBgL/JhUp1sIYID11jZphgzfDgp/E6ve/8xE2HMAnf4zAfJaKgD0 F+fL1DlcdYUditAiYEuN40Ns/abKs8I1MYx7Yglu3RzJfBzV4t86DAR+OvuF9v188WrFwXCS RSf4DmJ8tntyNej+DVGUnmKHupLQJO7uqCKB/1HLlMKc5G3GLoGqJliHjUHUAXNzinlpE2Vj C78pxpwxRNg2ilE3AhPoAXrY5qED5PLE9sLnmQ9AzRcMMJUXjTNEDxEYbF55SdGBHHOAcZtA kEQKub86e+GHA+Z8oXQSGeSGOkqHi7zfgW1UexddTvaRwE6AyZ6FxTApm8wq8NT2cryWPWTF BDSGB3ujWHMM8ERRYJPcBSjTvt0GcEqnd+OSGgxTkGOdufn51oz82zfpVo1t+J/FNz6MRMcg 8nEC+uKvgzH1nujxJ5pRCBOquFZaGn/p71Yr0oVitkttLKblFsqwa+10Lt6HBxm+2+VLp4Ja 0WZNncZciz3V3cuArpan/ZhhyiWYV5FD0pOXPCJIx7WS9PTtxiv0AOS4ScWEUmBxyhFeOpYa DrEx In-Reply-To: <20230614104215.359768-4-f.gruenbichler@proxmox.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-SPAM-LEVEL: Spam detection results: 0 AWL -0.069 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 T_SCC_BODY_TEXT_LINE -0.01 - Subject: Re: [pve-devel] [RFC manager 3/3] node console: lift root@pam restriction for commands 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: Mon, 06 Nov 2023 14:46:54 -0000 Am 14/06/2023 um 12:42 schrieb Fabian Gr=C3=BCnbichler: > instead, fallback to a plain login shell if the current user is not alr= eady > root. both current custom commands are effectively a root shell, so it'= s not > possible to allow them for regular users. >=20 > note that the non-login commands via xtermjs already had the fallback b= ehaviour > (i.e., no check for $param->{cmd}) previous to this commit, it was just= not > exposed via our web UI, since the corresponding button/wizard was only = enabled > for root@pam. >=20 > Signed-off-by: Fabian Gr=C3=BCnbichler > --- >=20 > Notes: > RFC because for a nice UX we probably want to somehow display or in= ject the > command that should be executed once the user is (effectively) root= in the > console, instead of just opening a login prompt without any indicat= ion what the > user should do with it.. > =20 > some possible options/suggestions offered so far: > - let the API return the command in case of fallback, let the UI di= splay it > -- probably would work best if upgrade is converted to an inline xt= ermjs > console, since that supports copy+paste > - pass FAKE_SHELL to login, point it at a shell wrapper that echos = a note with > the command and then executes the real shell > - pass FAKE_SHELL to login, point it at a wrapper that runs the com= mand (or the > command with sudo, in case the logged in console user is not root= ) with the > user's real shell That one I like best, as IMO user convenience is more important here, and if they could successfully log in, it should work just like if they are root@pam from the beginning; avoiding any copy-paste errors, that could even result in more harm than good, We do not depend on `sudo` though, so calling that needs to check if it's installed. Maybe enforcing the root username would make sense, or at least a short hint in the UI that they need to log in as root to continue.