From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ie0-f174.google.com ([209.85.223.174]:59292 "EHLO mail-ie0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753837AbaLDOS3 (ORCPT ); Thu, 4 Dec 2014 09:18:29 -0500 Received: by mail-ie0-f174.google.com with SMTP id rl12so15320520iec.5 for ; Thu, 04 Dec 2014 06:18:28 -0800 (PST) Message-ID: <54806D2F.6000809@gmail.com> Date: Thu, 04 Dec 2014 09:18:23 -0500 From: Austin S Hemmelgarn MIME-Version: 1.0 To: Shriramana Sharma , linux-btrfs Subject: Re: Possible to undo subvol delete? References: <20141130042306.GE8916@merlins.org> <547C6922.6030206@gmail.com> <20141201184621.5dd7fcd9@natsu> <20141202031403.GZ17395@hungrycats.org> <20141202125610.GS12140@twin.jikos.cz> <20141203185311.GX12140@twin.jikos.cz> In-Reply-To: Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha1; boundary="------------ms070303080404060108080305" Sender: linux-btrfs-owner@vger.kernel.org List-ID: This is a cryptographically signed message in MIME format. --------------ms070303080404060108080305 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: quoted-printable On 2014-12-04 09:06, Shriramana Sharma wrote: > On Thu, Dec 4, 2014 at 12:23 AM, David Sterba wrote: >> On Tue, Dec 02, 2014 at 08:45:10PM +0530, Shriramana Sharma wrote: >>> On Tue, Dec 2, 2014 at 6:26 PM, David Sterba wrote:= >>>> >>>> Works for me without the root password on a Tumbleweed installation >>>> (without apparmor/selinux). >>> >>> Are you then referring to a btrfs partition mounted with user_subvol_= rm_allowed? >> >> The context was 'does creating a subvolume require root password'. > > Well I don't know about you, but I'm just running an openSUSE 13.2 > system updated to Tumbleweed here, and even if I just hit "btrfs" > enter (no sudo, no btrfs commands) on my regular (non-root) prompt, I > am getting: > > $ btrfs > Absolute path to 'btrfs' is '/usr/sbin/btrfs', so running it may > require superuser privileges (eg. root). > $ > > ... so what to say of btrfs subvol, whether followed by crea or del! > > On Kubuntu Trusty, doing the above at least gives me the help list of > btrfs subcommands and only when I try to execute some actual *action* > which requires privileges (like accessing some root-read-only file or > such) do I get an error message for not using sudo. For some (wierd) > reason SuSE (possibly thinking it's being helpful) is requiring me to > use sudo and enter password for even just *running* the btrfs > executable. If there were a way to disable this and/or get the Kubuntu > behaviour it'd be great (but of course this is not a SuSE forum!). > > What seems weird to me here is that it says it *may* require root > privileges but simply drops me back to the prompt -- it doesn't seem > to check whether the executable *actually* requires root permission. > Granted, if it's under /sbin or /ust/sbin, it probably does, but the > wording is quite strange, and the behaviour stranger. > AFAIK, the behavior is something in whatever patched version of whatever = shell SuSE uses by default (IIRC, it's bash, but I'm not 100% certain=20 about that). I would go looking in /etc/profile and the other system=20 wide startup files for that shell to see if you could override the=20 behavior there. It may also be something SELinux or file permissions=20 related though. --------------ms070303080404060108080305 Content-Type: application/pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: S/MIME Cryptographic Signature MIAGCSqGSIb3DQEHAqCAMIACAQExCzAJBgUrDgMCGgUAMIAGCSqGSIb3DQEHAQAAoIIFuDCC BbQwggOcoAMCAQICAw9gVDANBgkqhkiG9w0BAQ0FADB5MRAwDgYDVQQKEwdSb290IENBMR4w HAYDVQQLExVodHRwOi8vd3d3LmNhY2VydC5vcmcxIjAgBgNVBAMTGUNBIENlcnQgU2lnbmlu ZyBBdXRob3JpdHkxITAfBgkqhkiG9w0BCQEWEnN1cHBvcnRAY2FjZXJ0Lm9yZzAeFw0xNDA4 MDgxMTMwNDRaFw0xNTAyMDQxMTMwNDRaMGMxGDAWBgNVBAMTD0NBY2VydCBXb1QgVXNlcjEj MCEGCSqGSIb3DQEJARYUYWhmZXJyb2luN0BnbWFpbC5jb20xIjAgBgkqhkiG9w0BCQEWE2Fo ZW1tZWxnQG9oaW9ndC5jb20wggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQDdmm8R BM5D6fGiB6rpogPZbLYu6CkU6834rcJepfmxKnLarYUYM593/VGygfaaHAyuc8qLaRA3u1M0 Qp29flqmhv1VDTBZ+zFu6JgHjTDniBii1KOZRo0qV3jC5NvaS8KUM67+eQBjm29LhBWVi3+e a8jLxmogFXV0NGej+GHIr5zA9qKz2WJOEoGh0EfqZ2MQTmozcGI43/oqIYhRj8fRMkWXLUAF WsLzPQMpK19hD8fqwlxQWhBV8gsGRG54K5pyaQsjne7m89SF5M8JkNJPH39tHEvfv2Vhf7EM Y4WGyhLAULSlym1AI1uUHR1FfJaj3AChaEJZli/AdajYsqc7AgMBAAGjggFZMIIBVTAMBgNV HRMBAf8EAjAAMFYGCWCGSAGG+EIBDQRJFkdUbyBnZXQgeW91ciBvd24gY2VydGlmaWNhdGUg Zm9yIEZSRUUgaGVhZCBvdmVyIHRvIGh0dHA6Ly93d3cuQ0FjZXJ0Lm9yZzAOBgNVHQ8BAf8E BAMCA6gwQAYDVR0lBDkwNwYIKwYBBQUHAwQGCCsGAQUFBwMCBgorBgEEAYI3CgMEBgorBgEE AYI3CgMDBglghkgBhvhCBAEwMgYIKwYBBQUHAQEEJjAkMCIGCCsGAQUFBzABhhZodHRwOi8v b2NzcC5jYWNlcnQub3JnMDEGA1UdHwQqMCgwJqAkoCKGIGh0dHA6Ly9jcmwuY2FjZXJ0Lm9y Zy9yZXZva2UuY3JsMDQGA1UdEQQtMCuBFGFoZmVycm9pbjdAZ21haWwuY29tgRNhaGVtbWVs Z0BvaGlvZ3QuY29tMA0GCSqGSIb3DQEBDQUAA4ICAQCr4klxcZU/PDRBpUtlb+d6JXl2dfto OUP/6g19dpx6Ekt2pV1eujpIj5whh5KlCSPUgtHZI7BcksLSczQbxNDvRu6LNKqGJGvcp99k cWL1Z6BsgtvxWKkOmy1vB+2aPfDiQQiMCCLAqXwHiNDZhSkwmGsJ7KHMWgF/dRVDnsl6aOQZ jAcBMpUZxzA/bv4nY2PylVdqJWp9N7x86TF9sda1zRZiyUwy83eFTDNzefYPtc4MLppcaD4g Wt8U6T2ffQfCWVzDirhg4WmDH3MybDItjkSB2/+pgGOS4lgtEBMHzAGQqQ+5PojTHRyqu9Jc O59oIGrTaOtKV9nDeDtzNaQZgygJItJi9GoAl68AmIHxpS1rZUNV6X8ydFrEweFdRTVWhUEL 70Cnx84YBojXv01LYBSZaq18K8cERPLaIrUD2go+2ffjdE9ejvYDhNBllY+ufvRizIjQA1uC OdktVAN6auQob94kOOsWpoMSrzHHvOvVW/kbokmKzaLtcs9+nJoL+vPi2AyzbaoQASVZYOGW pE3daA0F5FJfcPZKCwd5wdnmT3dU1IRUxa5vMmgjP20lkfP8tCPtvZv2mmI2Nw5SaXNY4gVu WQrvkV2in+TnGqgEIwUrLVbx9G6PSYZZs07czhO+Q1iVuKdAwjL/AYK0Us9v50acIzbl5CWw ZGj3wjGCA6EwggOdAgEBMIGAMHkxEDAOBgNVBAoTB1Jvb3QgQ0ExHjAcBgNVBAsTFWh0dHA6 Ly93d3cuY2FjZXJ0Lm9yZzEiMCAGA1UEAxMZQ0EgQ2VydCBTaWduaW5nIEF1dGhvcml0eTEh MB8GCSqGSIb3DQEJARYSc3VwcG9ydEBjYWNlcnQub3JnAgMPYFQwCQYFKw4DAhoFAKCCAfUw GAYJKoZIhvcNAQkDMQsGCSqGSIb3DQEHATAcBgkqhkiG9w0BCQUxDxcNMTQxMjA0MTQxODIz WjAjBgkqhkiG9w0BCQQxFgQUskegeWfyEoZaM1Eo/kx+B2VlY10wbAYJKoZIhvcNAQkPMV8w XTALBglghkgBZQMEASowCwYJYIZIAWUDBAECMAoGCCqGSIb3DQMHMA4GCCqGSIb3DQMCAgIA gDANBggqhkiG9w0DAgIBQDAHBgUrDgMCBzANBggqhkiG9w0DAgIBKDCBkQYJKwYBBAGCNxAE MYGDMIGAMHkxEDAOBgNVBAoTB1Jvb3QgQ0ExHjAcBgNVBAsTFWh0dHA6Ly93d3cuY2FjZXJ0 Lm9yZzEiMCAGA1UEAxMZQ0EgQ2VydCBTaWduaW5nIEF1dGhvcml0eTEhMB8GCSqGSIb3DQEJ ARYSc3VwcG9ydEBjYWNlcnQub3JnAgMPYFQwgZMGCyqGSIb3DQEJEAILMYGDoIGAMHkxEDAO BgNVBAoTB1Jvb3QgQ0ExHjAcBgNVBAsTFWh0dHA6Ly93d3cuY2FjZXJ0Lm9yZzEiMCAGA1UE AxMZQ0EgQ2VydCBTaWduaW5nIEF1dGhvcml0eTEhMB8GCSqGSIb3DQEJARYSc3VwcG9ydEBj YWNlcnQub3JnAgMPYFQwDQYJKoZIhvcNAQEBBQAEggEAnplMl0bJX1/Jn02S6FnBXf4nN1L8 TnTAiC0ThboXBTgxrfNsrHrZjX7IYpSDHwWaaJWxgc9+njRDLi88MjnNVXAzt/8mKyz3Pwed 1dxPenqu/+ST8vfCBtgUBaZ/gbjFgAp+TXrAsk1Mj62fnAevB+dt6ThC2f3SDvyT4ZWI6whA m4YW7dcHDYZOeyxx7TfHV7srDf9nkfsfhgh3H26SnD/6V+SlFk0vXWL8XiTH+UXvmEzmPo1w X1rUfRJJpu251curTTsaiKruT8YWnStZLJPtzVkcijmHYm8yYgup6L160qkiUsN2tr0p5IP3 8x+1q0i/IuJ81EO+B/+/NXaDjwAAAAAAAA== --------------ms070303080404060108080305--