Kali Linux Setup Samba Share for Home LAN

Lin­ux Desk­top

In­stall Sam­ba

sudo apt install samba smbclient nautilus-share

sudo usermod -aG sambashare $USER

Sam­ba Ba­sic Set­up

Add or mod­i­fy the fol­low­ing lines with­in smb.conf.

sudo nano /etc/samba/smb.conf

cat /etc/samba/smb.conf | grep -Pv '^(;|\s*#)' | sed '/^$/d'

[global]
   client min protocol = LANMAN1
   server min protocol = LANMAN1
   workgroup = WORKGROUP
   interfaces = 127.0.0.0/8 eth0 br0
   log file = /var/log/samba/log.%m
   max log size = 1000
   logging = file
   panic action = /usr/share/samba/panic-action %d
   server role = standalone server
   obey pam restrictions = yes
   unix password sync = yes
   passwd program = /usr/bin/passwd %u
   passwd chat = *Enter\snew\s*\spassword:* %n\n *Retype\snew\s*\spassword:* %n\n *password\supdated\ssuccessfully* .
   pam password change = yes
   map to guest = bad user
   usershare allow guests = yes
   usershare owner only = false
[homes]
   comment = Home Directories
   browseable = no
   read only = yes
   create mask = 0700
   directory mask = 0700
   valid users = %S
[printers]
   comment = All Printers
   browseable = no
   path = /var/spool/samba
   printable = yes
   guest ok = no
   read only = yes
   create mask = 0700
[print$]
   comment = Printer Drivers
   path = /var/lib/samba/printers
   browseable = yes
   read only = yes
   guest ok = no

Notes:

• For client/​​​server min pro­to­col you can try al­so with NT1 or SMB2.
• The fol­low­ing is not list­ed de­fault val­ue from the [glob­al] sec­tion: user­share path = /​​​var­/​​​­lib­/​​​­samba­/​​​­user­shares.

Restart the Sam­ba and the Net­BIOS ser­vices.

sudo systemctl restart smbd.service nmbd.service

Share a Di­rec­to­ry via CLI

1. One op­tion is to ed­it the file smb.conf and add a sec­tion, as the shown be­low, at the very bot­tom of the file. Then restart the Sam­ba and the Net­BIOS ser­vices.

sudo nano /etc/samba/smb.conf

[Share]
   comment = Shared filews
   path = /home/share
   public = yes
   writable = yes

Notes:

• The sec­tion name [Share] is mat­ter of you choice – this will be­come the name of the shared fold­er.
• The di­rec­to­ry pro­vid­ed as path val­ue, /​​​home/​​​share in this case, must have enough per­mis­sions.

2. An­oth­er op­tion is to use the net user­share tool in a way as the the fol­low­ing to cre­ate or re­move a net­work share.

net usershare add Git /home/$USER/Git "$USER's git projects" Everyone:F guest_ok=y

net usershare delete Git

The above com­mand will share the user's ~/​​​Git di­rec­to­ry and will grant it guest ac­cess. The com­mand ac­tu­al­ly cre­ates a file en­try in /​​​var­/​​​­lib­/​​​­samba­/​​​­user­shares.

cat /var/lib/samba/usershares/git

#VERSION 2
path=/home/<user>/Git
comment=<user>'s git projects
usershare_acl=S-1-1-0:F
guest_ok=y
sharename=Git

Notes:

• man net/​​​usershare: The op­tion­al "acl" field spec­i­fies which users have read and write ac­cess to the en­tire share. Note that guest con­nec­tions are not al­lowed un­less the smb.conf pa­ra­me­ter "user­share al­low guests" has been set. The de­f­i­n­i­tion of a user de­fined share acl is: "user:permission", where user is a valid user­name on the sys­tem and per­mis­sion can be "F", "R", or "D".
  • "F" stands for "full per­mis­sions", ie. read and write per­mis­sions.
  • "D" stands for "de­ny" for a user, ie. pre­vent this user from ac­cess­ing this share.
  • "R" stands for "read on­ly", ie. on­ly al­low read ac­cess to this share (no cre­ation of new files or di­rec­to­ries or writ­ing to files).
• In ad­di­tion the user must have enough filesys­tem per­mis­sions to the di­rec­to­ry, for ex­am­ple yf you re­al­ly want to al­low every­one to write to the di­rec­to­ry you may need to chmod o+rwx ~/​​​Git.

Share a Di­rec­to­ry via Nau­tilus

It is much com­fort­able to share di­rec­to­ries via the con­text menu (right mouse but­ton) with­in the Nau­tilus file ex­plor­er. Un­for­tu­nate­ly, in Kali Lin­ux 2022, the pack­age nau­tilus-share suf­fers from a known bug that caus­es the fol­low­ing er­ror mes­sage: "net user­share" has re­turned er­ror 255…

This bug is fixed with­in some oth­er dis­tri­b­u­tions and as workaround we can use the libnautilus​-share​.so file from the Ubun­tu 22.04's pack­age.

cd /tmp
wget https://launchpad.net/ubuntu/+archive/primary/+files/nautilus-share_0.7.3-2ubuntu6_amd64.deb
ar x "nautilus-share_0.7.3-2ubuntu6_amd64.deb" "data.tar.zst"
tar --strip-components=6 -xvf "data.tar.zst" \
./usr/lib/x86_64-linux-gnu/nautilus/extensions-3.0/libnautilus-share.so

sudo mv /usr/lib/x86_64-linux-gnu/nautilus/extensions-3.0/libnautilus-share.so{,.default}

sudo mv libnautilus-share.so /usr/lib/x86_64-linux-gnu/nautilus/extensions-3.0/
sudo chown root:root /usr/lib/x86_64-linux-gnu/nautilus/extensions-3.0/libnautilus-share.so

pkill -9 nautilus

Af­ter restart­ing Nau­tilus you will see at Screen 1 po­si­tion A af­ter ap­ply­ing the above steps the la­bel in the Nau­tilus' con­text menu is changed from Shar­ing Op­tions to Lo­cal Net­work Share. Now every­thing should work fine.

Ref­er­ences

Gen­er­al Sam­ba Refs

• SAM­BA: Doc­u­men­ta­tion | Wi­ki
• Lin­ux Hint: How to In­stall Sam­ba on Ubun­tu
• Kali Lin­ux Docs: Sam­ba Con­fig­u­ra­tion
• Dig­i­talO­cean: How To Set Up a Sam­ba Share For A Small Or­ga­ni­za­tion on Ubun­tu 16.04
• Red Hat Blog: How to share files with Sam­ba
• Red Hat Blog: Mount­ing and map­ping shares be­tween Win­dows and Lin­ux with Sam­ba
• Rasp­ber­ry Pi SE: Sam­ba – How to Dis­able LAN Sam­ba Serv­er Dis­cov­ery

Nau­tilus Trou­bleshoot­ing

• I should re­port the is­sue on: Kali Lin­ux Bug Track­er
• Man­jaro Git­Lab: Please up­date this pack­age, it is out­dat­ed and bro­ken [Call­ing "net user­share" cre­at­ed er­ror 255]
• Man­jaro Sup­port: Can’t share di­rec­to­ry through nau­tilus | Thu­nar Shares Plu­g­in ‘net user­share’ er­ror 255
• Ubun­tu Mate Sup­port: “net user­share” has re­turned er­ror 255
• Ubun­tu Mate Sup­port: Shar­ing Pub­lic fold­ers be­tween com­put­ers over the net­work
• Ask Ubun­tu: Nau­tilus-Share-Mes­sage: Called "net user­share in­fo" but it failed

De­bian pack­ages ma­nip­u­la­tion

• Ubun­tu on Launch­pad: Nau­tilus-share pack­age in Ubun­tu
• Ask Ubun­tu: Is there an apt com­mand to down­load a deb file from the repos­i­to­ries to the cur­rent di­rec­to­ry?
• FAQforge​.com: How to down­load and ex­tract a .deb pack­age on Ubun­tu or De­bian Lin­ux
• LinuxConfig​.org: How to ex­tract files from De­bian pack­age archive DEB
• Nix­Craft: Tar Ex­tract a Sin­gle File(s) From a Large Tar­ball
• Stack Over­flow: How do I un­tar a sub­di­rec­to­ry in­to the cur­rent di­rec­to­ry?
• Unix and Lin­ux: How to ex­tract spe­cif­ic file(s) from tar.gz

Reg­is­ter: Lin­ux Desk­top

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