From owner-freebsd-questions@FreeBSD.ORG Wed Dec 19 02:27:41 2012 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 9C6DC8D2 for ; Wed, 19 Dec 2012 02:27:41 +0000 (UTC) (envelope-from tundra@tundraware.com) Received: from ozzie.tundraware.com (ozzie.tundraware.com [75.145.138.73]) by mx1.freebsd.org (Postfix) with ESMTP id 5431A8FC1D for ; Wed, 19 Dec 2012 02:27:41 +0000 (UTC) Received: from [192.168.0.2] (viper.tundraware.com [192.168.0.2]) (authenticated bits=0) by ozzie.tundraware.com (8.14.5/8.14.5) with ESMTP id qBJ2RWJd016578 (version=TLSv1/SSLv3 cipher=DHE-RSA-CAMELLIA256-SHA bits=256 verify=NO) for ; Tue, 18 Dec 2012 20:27:32 -0600 (CST) (envelope-from tundra@tundraware.com) Message-ID: <50D12614.40503@tundraware.com> Date: Tue, 18 Dec 2012 20:27:32 -0600 From: Tim Daneliuk User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/17.0 Thunderbird/17.0 MIME-Version: 1.0 To: FreeBSD Mailing List Subject: Re: Somewhat OT: Is Full Command Logging Possible? References: <50BFD674.8000305@tundraware.com> <50BFDD51.5000100@tundraware.com> <20689.4087.859208.619511@gromit.timing.com> <50D113C0.3020607@tundraware.com> <50D115D9.6090608@tundraware.com> <57543CB2-2C92-434A-959B-C1CF5FC01600@fisglobal.com> <50D11BC4.5080803@tundraware.com> <50D12489.20507@tundraware.com> In-Reply-To: <50D12489.20507@tundraware.com> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 8bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.2.7 (ozzie.tundraware.com [192.168.0.1]); Tue, 18 Dec 2012 20:27:32 -0600 (CST) X-TundraWare-MailScanner-Information: Please contact the ISP for more information X-TundraWare-MailScanner-ID: qBJ2RWJd016578 X-TundraWare-MailScanner: Found to be clean X-TundraWare-MailScanner-From: tundra@tundraware.com X-Spam-Status: No X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 19 Dec 2012 02:27:41 -0000 On 12/18/2012 08:20 PM, Tim Daneliuk wrote: > On 12/18/2012 08:03 PM, Devin Teske wrote: >> >> On Dec 18, 2012, at 5:43 PM, Tim Daneliuk wrote: >> >>> On 12/18/2012 07:33 PM, Devin Teske wrote: >>>> >>>> On Dec 18, 2012, at 5:18 PM, Tim Daneliuk wrote: >>>> >>> >>>>>> >>>>> >>>>> One further question, if I may. If I do this: >>>>> >>>>> sudo su - >>>>> >>>>> Will log_input record everything I do once I've been promoted to >>>>> root? I ask because my initial experiments seem to show that all >>>>> that's getting recorded is the content of the sudo command itself, >>>>> not the subsequent actions… >>>>> >>>> >>>> Correct, sudo is blind to the actions performed once the command requested is executed (in this case, "su" and subsequently a shell followed by more actions). >>>> >>> >>> Actually, I just tried this with both log_input and log_output options enabled. >>> It seems that it *can* see into the promoted shell with a few caveats: >>> >>> - Command output is logged immediately, but command inputs appear to only >>> be written to the log when you exit the promoted shell. This may be >>> not quite right - there may have not been enough input to cause a >>> write flush to the log. >>> >>> - The logging seems to be able to see into a spawned subshell, but >>> I don't think it can see input/output if you, say, kick off an xterm. >>> >> >> What about if you do "sudo vim" and then type ":sh" ? > > Yep, I just tried that too. It catches that. It also catches > the in/output of subshells - like, say, kicking off sh interactively. > Similarly, if you're running text-based emacs, it catches the output > of spawning to a shell from there and doing things. > > The only restriction I have run into so far, it that - for obvious > reasons - sudo cannot see into what you're doing if you kick off > an X application like xterm or graphical emacs, for instance. I should clarify that I tested this not on FreeBSD but on a Mint Linux desktop I had handy. I would expect the same behavior everywhere, though, since sudo itself is reasonably portable... -- ---------------------------------------------------------------------------- Tim Daneliuk tundra@tundraware.com PGP Key: http://www.tundraware.com/PGP/