Re: Bug#967857: debian-policy: [Files/Permissions and owners] files installed by package manager should not be writable

2020-08-06 Thread Guillem Jover
On Wed, 2020-08-05 at 00:58:27 +0200, Ansgar wrote: > On Tue, 2020-08-04 at 23:50 +0200, Guillem Jover wrote: > > On Tue, 2020-08-04 at 13:56:45 -0700, Russ Allbery wrote: > > > Ansgar writes: > > > > 10.9 Permissions and owners currently says > > > > > Files should be owned by root:root, and

Re: Bug#967857: debian-policy: [Files/Permissions and owners] files installed by package manager should not be writable

2020-08-05 Thread Sam Hartman
I'm ignoring the case where capabilities are dropped in my analysis. I've long valued that Debian does not mark file paths as readonly and would not support this change. I've worked on other Unix distributions that did this, and I found that it decreased the quality of life of the sysadmin

Re: Bug#967857: debian-policy: [Files/Permissions and owners] files installed by package manager should not be writable

2020-08-04 Thread Ansgar
On Tue, 2020-08-04 at 23:50 +0200, Guillem Jover wrote: > On Tue, 2020-08-04 at 13:56:45 -0700, Russ Allbery wrote: > > Ansgar writes: > > > 10.9 Permissions and owners currently says > > > > Files should be owned by root:root, and made writable only by the > > > > owner and universally readable

Re: Bug#967857: debian-policy: [Files/Permissions and owners] files installed by package manager should not be writable

2020-08-04 Thread Russ Allbery
Guillem Jover writes: > On Tue, 2020-08-04 at 13:56:45 -0700, Russ Allbery wrote: >> I assume this is in support of systems, containers, or jails where UID >> 0 may not have CAP_FOWNER? > If that's the reason, it certainly was not clear from the original > report. :) It seems like the context

Re: Bug#967857: debian-policy: [Files/Permissions and owners] files installed by package manager should not be writable

2020-08-04 Thread Guillem Jover
On Tue, 2020-08-04 at 13:56:45 -0700, Russ Allbery wrote: > Ansgar writes: > > 10.9 Permissions and owners currently says > > > | Files should be owned by root:root, and made writable only by the > > | owner and universally readable (and executable, if appropriate), > > | that is mode 644 or

Re: Bug#967857: debian-policy: [Files/Permissions and owners] files installed by package manager should not be writable

2020-08-04 Thread Russ Allbery
Ansgar writes: > 10.9 Permissions and owners currently says > | Files should be owned by root:root, and made writable only by the > | owner and universally readable (and executable, if appropriate), > | that is mode 644 or 755." > However most files shouldn't be modified as modifications will