Package: pmount
Version: 0.9.23-2
Severity: normal
Dear Maintainer,
*** Please consider answering these questions, where appropriate ***
* What led up to the situation?
$ pmount --umask=007 sdb1
$ mount | grep sdb1
/dev/sdb1 on /media/sdb1 type iso9660
(ro,nosuid,nodev,noexec,relatime,uid=1000,gid=1000,iocharset=utf8)
* What exactly did you do (or not do) that was effective (or
ineffective)?
$ls -al /dev/sdb1
brw-rw---T 1 root floppy 8, 17 May 31 23:12 /dev/sdb1
$pmount --umask=007 sdb1
mount: warning: /media/sdb1 seems to be mounted read-only.
* What was the outcome of this action?
$ ls -al /media/
total 5
drwxrws--- 3 root plugdev 60 May 31 23:13 .
drwxr-xr-x 24 root root 1024 Mar 12 21:33 ..
dr-xr-xr-x 1 user user 4096 Feb 2 22:41 sdb1
* What outcome did you expect instead?
$ ls -al /media/
total 5
drwxrws--- 3 root plugdev 60 May 31 23:13 .
drwxr-xr-x 24 root root 1024 Mar 12 21:33 ..
drwxrwx--- 1 user user 4096 Feb 2 22:41 sdb1
ext2 filesystem does not have this problem:
$ ls -al /dev/sdb1
brw-rw---T 1 root floppy 8, 17 May 31 23:17 /dev/sdb1
$ pmount --umask=007 sdb1
$ mount | grep sdb1
/dev/sdb1 on /media/sdb1 type ext2
(rw,nosuid,nodev,noexec,relatime,errors=remount-ro,user_xattr,acl)
$ ls -al /media/
total 2
drwxrws--- 3 root plugdev 60 May 31 23:19 .
drwxr-xr-x 24 root root 1024 Mar 12 21:33 ..
drwxrwx--- 7 root plugdev 1024 May 31 00:04 sdb1
As a side note, pmount does not respect group sticky bit.
I discovered this behaviour when trying udev rules:
The below rule works fine with non-iso9660 filesystems
and lets user pumount, when the filesystem is iso9660
does not let the user pumount.
<99-ZZZ-local-udev-automount.rules>
# -*- Mode: conf -*-
KERNEL!="sd*[1-9]*", GOTO="exit"
# Do not mount devices already mounted somewhere else to avoid entries for all
your local partitions in /media
ACTION=="add", PROGRAM=="/bin/grep -q ' /dev/%k ' /proc/self/mountinfo",
GOTO="exit"
# Import FS infos
SUBSYSTEMS=="usb", IMPORT{program}="/sbin/blkid -o udev -p %N"
PROGRAM=="/sbin/blkid -o value -s LABEL %N", ENV{dir_name}="%c"
# use basename to correctly handle labels such as ../mnt/foo
PROGRAM=="/usr/bin/basename '%E{dir_name}'", ENV{dir_name}="%c"
# Get a label if present, otherwise specify one
SUBSYSTEMS=="usb", ENV{ID_FS_LABEL}!="", ENV{dir_name}="%E{ID_FS_LABEL}"
SUBSYSTEMS=="usb", ENV{ID_FS_LABEL}=="", ENV{dir_name}="usb-%k"
# Global mount options
#SUBSYSTEMS=="usb", ATTRS{removable}=="1", GROUP="plugdev", MODE="0770"
# esto es solo para el /dev/sdxx el /media/mount_point no vale
#SUBSYSTEMS=="usb", GROUP="media", MODE="0770"
SUBSYSTEMS=="usb", ACTION=="add", ENV{pmount_options}="--noatime --umask 007"
#SUBSYSTEMS=="usb", ACTION=="add", ENV{pmount_options}="--noatime --umask 000"
#SUBSYSTEMS=="usb", ACTION=="add", ENV{pmount_options}="--atime --umask 007"
# File system specific mount options to avoid auto probing
# SUBSYSTEMS=="usb", ACTION=="add", ENV{ID_FS_TYPE}=="ntfs|vfat",
ENV{pmount_options}="%E{pmount_options} --charset utf8"
# SUBSYSTEMS=="usb", ACTION=="add", ENV{ID_FS_TYPE}=="ntfs",
ENV{pmount_options}="%E{pmount_options} -t ntfs-3g"
# SUBSYSTEMS=="usb", ACTION=="add", ENV{ID_FS_TYPE}=="vfat",
ENV{pmount_options}="%E{pmount_options} -t vfat"
# SUBSYSTEMS=="usb", ACTION=="add", ENV{ID_FS_TYPE}=="ext2",
ENV{pmount_options}="%E{pmount_options} -t ext2"
# SUBSYSTEMS=="usb", ACTION=="add", ENV{ID_FS_TYPE}=="ext3",
ENV{pmount_options}="%E{pmount_options} -t ext3"
# SUBSYSTEMS=="usb", ACTION=="add", ENV{ID_FS_TYPE}=="ext4",
ENV{pmount_options}="%E{pmount_options} -t ext4"
# Mount the device
#SUBSYSTEMS=="usb", ACTION=="add", RUN+="/usr/bin/pmount $env{pmount_options}
/dev/%k /media/%E{dir_name} ; /bin/mount -o remount,gid=117 /media/%E{dir_name}"
#SUBSYSTEMS=="usb", ACTION=="add", RUN+="/usr/bin/pmount $env{pmount_options}
/dev/%k /media/%E{dir_name}"
SUBSYSTEMS=="usb", ACTION=="add", RUN+="/usr/bin/pmount $env{pmount_options} %N
%E{dir_name}"
#SUBSYSTEMS=="usb", ACTION=="add", RUN+="/bin/mount -o remount,gid=117
/media/%E{dir_name}"
# Clean up after removal
SUBSYSTEMS=="usb", ACTION=="remove", ENV{dir_name}!="", RUN+="/usr/bin/pumount
/dev/%k"
# Exit
LABEL="exit"
</99-ZZZ-local-udev-automount.rules>
Related:
</etc/systemd/system/media.mount>
[Unit]
Description=Media Directory
Before=local-fs.target
[Mount]
What=tmpfs
Where=/media
Type=tmpfs
Options=mode=2770,nosuid,nodev,noexec,gid=46
<//etc/systemd/system/media.mount>
gid 46 is for plugdev group
*** End of the template - remove these lines ***
-- System Information:
Debian Release: wheezy/sid
APT prefers testing
APT policy: (990, 'testing'), (500, 'unstable')
Architecture: amd64 (x86_64)
Kernel: Linux 3.2.0-2-amd64 (SMP w/1 CPU core)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8) (ignored: LC_ALL
set to en_US.UTF-8)
Shell: /bin/sh linked to /bin/dash
Versions of packages pmount depends on:
ii libblkid1 2.20.1-5
ii libc6 2.13-32
pmount recommends no packages.
Versions of packages pmount suggests:
ii cryptsetup 2:1.4.1-3
-- no debconf information
Thank you for your help.
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