Bug#995732: sane-utils: The home directory "/var/lib/saned/" is missing, which is required for SANE scanner calibration (".cal") files

[Ramon Fischer]

Package: sane-utils
Version: 1.0.27-3.2
Severity: normal
Tags: patch upstream

Hello,



   ```bash
   $ vi "postinst"
   [...]
   # Create saned user/group if they do not exist
        if ! getent passwd | grep -q "^saned:"; then
            echo "Adding saned group and user..."
            adduser --home /var/lib/saned --quiet --system --group
   saned || true
        fi
   [...]
   ```

See "man 8 adduser".

Removing the home directory might be necessary at this point as well:

   ```bash
   $ vi "postinst"
        else
            if id saned | grep -q "groups=.*\(scanner\)"; then
                deluser --quiet --remove-home saned scanner
            fi
        fi
   ```

See "man 8 deluser".

Elaborated bug report: https://github.com/RPi-Distro/repo/issues/262

In the attachment you will find a patch file.

Thank you!

-Ramon

-- System Information:
Distributor ID: Raspbian
Description:    Raspbian GNU/Linux 10 (buster)
Release:    10
Codename:   buster
Architecture:   armv7l

Kernel: Linux 5.10.63-v7l+ (SMP w/4 CPU cores)
Kernel taint flags: TAINT_CRAP

Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages sane-utils depends on:
ii  adduser                3.118
ii  debconf [debconf-2.0]  1.5.71
ii  libavahi-client3       0.7-4+deb10u1
ii  libavahi-common3       0.7-4+deb10u1
ii  libc6                  2.28-10+rpt2+rpi1
ii  libieee1284-3          0.2.11-13
ii  libjpeg62-turbo        1:1.5.2-2+deb10u1
ii  libpng16-16            1.6.36-6
ii  libsane                1.0.27-3.2
ii  libsystemd0            241-7~deb10u8+rpi1
ii  libusb-1.0-0           2:1.0.22-2
ii  lsb-base               10.2019051400+rpi1
ii  update-inetd           4.49

sane-utils recommends no packages.

Versions of packages sane-utils suggests:
ii  avahi-daemon  0.7-4+deb10u1
pn  unpaper       <none>

-- Configuration Files:
/etc/sane.d/saned.conf changed:
192.168.1.0/24


-- debconf information:
  sane-utils/saned_scanner_group: true
  sane-utils/saned_run: false

--
GPG public key: 5983 98DA 5F4D A464 38FD CF87 155B E264 13E6 99BF


--- postinst	2019-03-23 17:38:37.000000000 +0100
+++ postinst_create_remove_home_directory	2021-10-04 20:59:59.681629146 +0200
@@ -43,7 +43,7 @@
     # Create saned user/group if they do not exist
     if ! getent passwd | grep -q "^saned:"; then
 	echo "Adding saned group and user..."
-	adduser --home /var/lib/saned  --quiet --system --no-create-home --group saned || true
+	adduser --home /var/lib/saned  --quiet --system --group saned || true
     fi
 
     # Move home from /home/saned to /var/lib/saned (since 1.0.24-6)
@@ -65,7 +65,7 @@
 	adduser --quiet saned scanner
     else
 	if id saned | grep -q "groups=.*\(scanner\)"; then
-	    deluser --quiet saned scanner
+	    deluser --quiet --remove-home saned scanner
 	fi
     fi
 

please remove the parameter "--no-create-home" from the shell script "postinst", so calibration (".cal") files can be saved in and used from the directory "/var/lib/saned/.sane/": Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8) (ignored: LC_ALL set to en_GB.UTF-8), LANGUAGE=en_GB.UTF-8 (charmap=UTF-8) (ignored: LC_ALL set to en_GB.UTF-8)

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