[Bug 2052618] Re: Missing sftp-server argument -m force_file_perms

[Paride Legovini]

This is a duplicate of LP: #1922130, marking it as such.

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Title:
  Missing sftp-server argument -m force_file_perms

Status in openssh package in Ubuntu:
  New

Bug description:
  In Centos, RHEL, ... openssh-server package with sftp-server has an option
  -m force_file_perms
  Sets explicit file permissions to be applied to newly-created files instead of the default or client requested mode. Numeric values include: 777, 755, 750, 666, 644, 640, etc. Using both -m and -u switches makes the umask (-u) effective only for newly created directories and explicit mode (-m) for newly created files.

  This option is missing in Ubuntu 22.04.3 LTS 
  Code patch from Fedora:
  https://src.fedoraproject.org/rpms/openssh/raw/f34/f/openssh-6.7p1-sftp-force-permission.patch

  SFTP put command is sending source filemask to the remote server as is.
  For shared folders there is a risk sender will generate a file, which another user can not read.
  That's why there is force_file_perms to force filemask on shared sftp accounts no matters what filemask had source file on client side.

  This feature is welcome to migrate from RHEL to Ubuntu.

  ProblemType: Bug
  DistroRelease: Ubuntu 22.04
  Package: openssh-server 1:8.9p1-3ubuntu0.6
  Uname: Linux 5.15.0-200.131.27.1.el9uek.x86_64 x86_64
  ApportVersion: 2.20.11-0ubuntu82.5
  Architecture: amd64
  CasperMD5CheckResult: unknown
  Date: Wed Feb  7 10:22:50 2024
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
  SourcePackage: openssh
  UpgradeStatus: No upgrade log present (probably fresh install)

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