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Problema condivisione Samba

Inviato: martedì 2 luglio 2024, 15:08
da Martin0
Salve,

Ho un problema con Samba, in pratica non mi vede le condivisioni di rete da una macchina in cui ho installato Kali Linux.

Posto il risultato del comando

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mbclient -L localhost

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smbclient -L localhost
Password for [WORKGROUP\martino]:

        Sharename       Type      Comment
        ---------       ----      -------
        print$          Disk      Printer Drivers
        IPC$            IPC       IPC Service (Samba 4.20.1-Debian)
        Doc Kali        Disk      
        Home Martino    Disk      
        martino         Disk      Home Directories
Reconnecting with SMB1 for workgroup listing.
smbXcli_negprot_smb1_done: No compatible protocol selected by server.
Protocol negotiation to server localhost (for a protocol between CORE and NT1) failed: NT_STATUS_INVALID_NETWORK_RESPONSE
Unable to connect with SMB1 -- no workgroup available
Quale potrebbe essere il problema?

Re: Problema condivisione Samba

Inviato: martedì 2 luglio 2024, 21:10
da Martin0
Stavo seguendo la guida di thece (viewtopic.php?f=49&t=653567&p=5343292&h ... e#p5343292) e noto dei problemi di esecuzione dei servizi smdb e nmbd:

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systemctl status smbd.service
● smbd.service - Samba SMB Daemon
     Loaded: loaded (/usr/lib/systemd/system/smbd.service; disabled; preset: disabled)
     Active: active (running) since Tue 2024-07-02 21:01:20 CEST; 1min 24s ago
 Invocation: 98ecbf2374964587b56407a99157fe92
       Docs: man:smbd(8)
             man:samba(7)
             man:smb.conf(5)
    Process: 3398 ExecCondition=/usr/share/samba/is-configured smb (code=exited, status=0/SUCCESS)
    Process: 3401 ExecStartPre=/usr/share/samba/update-apparmor-samba-profile (code=exited, status=0/SUCCESS)
   Main PID: 3407 (smbd)
     Status: "smbd: ready to serve connections..."
      Tasks: 3 (limit: 18313)
     Memory: 7.6M (peak: 8.4M)
        CPU: 95ms
     CGroup: /system.slice/smbd.service
             ├─3407 /usr/sbin/smbd --foreground --no-process-group
             ├─3411 "smbd: notifyd" .
             └─3412 "smbd: cleanupd "

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systemctl status smbd.service 
● smbd.service - Samba SMB Daemon
     Loaded: loaded (/usr/lib/systemd/system/smbd.service; disabled; preset: disabled)
     Active: active (running) since Tue 2024-07-02 21:01:20 CEST; 5min ago
 Invocation: 98ecbf2374964587b56407a99157fe92
       Docs: man:smbd(8)
             man:samba(7)
             man:smb.conf(5)
    Process: 3398 ExecCondition=/usr/share/samba/is-configured smb (code=exited, status=0/SUCCESS)
    Process: 3401 ExecStartPre=/usr/share/samba/update-apparmor-samba-profile (code=exited, status=0/SUCCESS)
   Main PID: 3407 (smbd)
     Status: "smbd: ready to serve connections..."
      Tasks: 3 (limit: 18313)
     Memory: 7.6M (peak: 8.4M)
        CPU: 96ms
     CGroup: /system.slice/smbd.service
             ├─3407 /usr/sbin/smbd --foreground --no-process-group
             ├─3411 "smbd: notifyd" .
             └─3412 "smbd: cleanupd "
Pur essendomi accertato di aver attivato entrambi i servizi sembra che il servizio samba non si attivi.

Qualcuno può aiutarmi a capire? Grazie.

Re: Problema condivisione Samba

Inviato: mercoledì 3 luglio 2024, 12:18
da thece
:ciao:
Martin0 ha scritto:
ieri, 21:10
... noto dei problemi di esecuzione dei servizi smdb e nmbd ...
Da quanto hai postato, non vedo problemi sul servizio smbd, non vedo l'output del servizio nmbd
Martin0 ha scritto:
ieri, 15:08
... in pratica non mi vede le condivisioni di rete da una macchina in cui ho installato Kali Linux.
Chi non vede gli share? Perchè localmente a Kali la lista degli share la ottieni



Comunque, in virtù del fatto che stai configurando Samba su Kali, sarebbe più corretto che tu seguissi questi appunti.

Re: Problema condivisione Samba

Inviato: mercoledì 3 luglio 2024, 13:35
da Martin0
thece ha scritto:
oggi, 12:18
:ciao:
Martin0 ha scritto:
ieri, 21:10
... noto dei problemi di esecuzione dei servizi smdb e nmbd ...
Da quanto hai postato, non vedo problemi sul servizio smbd, non vedo l'output del servizio nmbd
Martin0 ha scritto:
ieri, 15:08
... in pratica non mi vede le condivisioni di rete da una macchina in cui ho installato Kali Linux.
Chi non vede gli share? Perchè localmente a Kali la lista degli share la ottieni



Comunque, in virtù del fatto che stai configurando Samba su Kali, sarebbe più corretto che tu seguissi questi appunti.

Ecco l'output del servizio nmbd:

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systemctl status nmbd.service
● nmbd.service - Samba NMB Daemon
     Loaded: loaded (/usr/lib/systemd/system/nmbd.service; enabled; preset: disabled)
     Active: active (running) since Wed 2024-07-03 13:26:32 CEST; 1min 39s ago
 Invocation: 9cb3d1b0eebc4003bdb48949f2fc1df1
       Docs: man:nmbd(8)
             man:samba(7)
             man:smb.conf(5)
    Process: 1276 ExecCondition=/usr/share/samba/is-configured nmb (code=exited, status=0/SUCCESS)
   Main PID: 1282 (nmbd)
     Status: "nmbd: ready to serve connections..."
      Tasks: 1 (limit: 18313)
     Memory: 14.1M (peak: 14.4M)
        CPU: 81ms
     CGroup: /system.slice/nmbd.service
             └─1282 /usr/sbin/nmbd --foreground --no-process-group

Warning: some journal files were not opened due to insufficient permissions.
Ad ogni modo non vengono condivise le cartelle che condivido, da altro pc connettendomi alla stessa rete non si vede alcuna condivisione. Ho studiato tutta la notte i tuoi appunti ma nada. Ora mi guardo l'altra guida che hai postato.

Probabilmente l'errore è tutto qui:

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smbclient //localhost//home/martino/Documenti
Password for [WORKGROUP\martino]:
tree connect failed: NT_STATUS_BAD_NETWORK_NAME

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smbclient -L //localhost
Password for [WORKGROUP\martino]:

        Sharename       Type      Comment
        ---------       ----      -------
        print$          Disk      Printer Drivers
        IPC$            IPC       IPC Service (Samba 4.20.1-Debian)
        Documenti       Disk      
        martino         Disk      Home Directories
SMB1 disabled -- no workgroup available
Ho provato a modificare nel file /etc/samba/samba.conf il parametro:
"client min protocol = LANMAN"
con "client min protocol = SMB3"

perchè col primo mi dava comunque errore di con connessione al protocollo SMB1.

Hai qualche idea a riguardo? Sto praticamente impazzendo per trovare la soluzione a questo problema!

Re: Problema condivisione Samba

Inviato: mercoledì 3 luglio 2024, 13:41
da Martin0
Ah, quando nel file manager Dolphin nella barra degli indirizzi digito:

"smb://srv-samba"

Mi restituisce l'errore:

"Impossibile connettersi all'host per smb://srv-samba/"

Re: Problema condivisione Samba

Inviato: mercoledì 3 luglio 2024, 13:49
da thece
Sono praticamente certo che tu stia facendo cose a caso oppure che tu stia facendo cose senza capirle, quindi partiamo dall'inizio: prendi gli appunti che ti ho indicato io. Con calma inizia a leggerli dal principio e prova a fare quanto viene indicato.

Re: Problema condivisione Samba

Inviato: mercoledì 3 luglio 2024, 14:14
da Martin0
thece ha scritto:
54 minuti fa
Sono praticamente certo che tu stia facendo cose a caso oppure che tu stia facendo cose senza capirle, quindi partiamo dall'inizio: prendi gli appunti che ti ho indicato io. Con calma inizia a leggerli dal principio e prova a fare quanto viene indicato.
Scusami these ma stavolta ti sbagli. Ho iniziato proprio dai tuoi appunti e sono ripartito da capo almeno 8 volte disinstallando e reinstallando i pacchetti samba, smbclient ecc.

E' vero che non sono un esperto ma ho seguito alla lettera le tue indicazioni e niente, non vedo alcuna condivisione attiva.

Re: Problema condivisione Samba

Inviato: mercoledì 3 luglio 2024, 14:25
da thece
Vediamo ...

(Da Kali) Posta l'output di

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hostname
/etc/samba/smb.conf
netstat -tulnp | egrep 'nmbd|smbd'

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smbclient -N -L localhost
se vuoi esporre gli share senza autenticazione

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smbclient -U="<USERNAME>" -L localhost
se vuoi esporre gli share con autenticazione

Re: Problema condivisione Samba

Inviato: mercoledì 3 luglio 2024, 14:36
da Martin0
thece ha scritto:
18 minuti fa
Vediamo ...

(Da Kali) Posta l'output di

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hostname
/etc/samba/smb.conf
netstat -tulnp | egrep 'nmbd|smbd'

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smbclient -N -L localhost
se vuoi esporre gli share senza autenticazione

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smbclient -U="<USERNAME>" -L localhost
se vuoi esporre gli share con autenticazione

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hostname
kali

┌──(martino㉿kali)-[~]
└─$ /etc/samba/smb.conf
cat /etc/samba/smb.conf
#
# Sample configuration file for the Samba suite for Debian GNU/Linux.
# Forked by Kali.
#
#
# This is the main Samba configuration file. You should read the
# smb.conf(5) manual page in order to understand the options listed
# here. Samba has a huge number of configurable options most of which 
# are not shown in this example
#
# Some options that are often worth tuning have been included as
# commented-out examples in this file.
#  - When such options are commented with ";", the proposed setting
#    differs from the default Samba behaviour
#  - When commented with "#", the proposed setting is the default
#    behaviour of Samba but the option is considered important
#    enough to be mentioned here
#
# NOTE: Whenever you modify this file you should run the command
# "testparm" to check that you have not made any basic syntactic 
# errors. 

#======================= Global Settings =======================

[global]

   usershare owner only = false

#### Kali configuration (use kali-tweaks to change it) ####

# By default a Kali system should be configured for wide compatibility,
# to easily interact with servers using old vulnerable protocols.
## Browsing/Identification ###

# Change this to the workgroup/NT-domain name your Samba server will part of
   workgroup = WORKGROUP
   client min protocol = SMB3

#### Networking ####

# The specific set of interfaces / networks to bind to
# This can be either the interface name or an IP address/netmask;
# interface names are normally preferred
;   interfaces = 127.0.0.0/8 eth0

# Only bind to the named interfaces and/or networks; you must use the
# 'interfaces' option above to use this.
# It is recommended that you enable this feature if your Samba machine is
# not protected by a firewall or is a firewall itself.  However, this
# option cannot handle dynamic or non-broadcast interfaces correctly.
;   bind interfaces only = yes



#### Debugging/Accounting ####

# This tells Samba to use a separate log file for each machine
# that connects
   log file = /var/log/samba/log.%m

# Cap the size of the individual log files (in KiB).
   max log size = 1000

# We want Samba to only log to /var/log/samba/log.{smbd,nmbd}.
# Append syslog@1 if you want important messages to be sent to syslog too.
   logging = file

# Do something sensible when Samba crashes: mail the admin a backtrace
   panic action = /usr/share/samba/panic-action %d


####### Authentication #######

# Server role. Defines in which mode Samba will operate. Possible
# values are "standalone server", "member server", "classic primary
# domain controller", "classic backup domain controller", "active
# directory domain controller". 
#
# Most people will want "standalone server" or "member server".
# Running as "active directory domain controller" will require first
# running "samba-tool domain provision" to wipe databases and create a
# new domain.
   server role = standalone server

   obey pam restrictions = yes

# This boolean parameter controls whether Samba attempts to sync the Unix
# password with the SMB password when the encrypted SMB password in the
# passdb is changed.
   unix password sync = yes

# For Unix password sync to work on a Debian GNU/Linux system, the following
# parameters must be set (thanks to Ian Kahan <<kahan@informatik.tu-muenchen.de> for
# sending the correct chat script for the passwd program in Debian Sarge).
   passwd program = /usr/bin/passwd %u
   passwd chat = *Enter\snew\s*\spassword:* %n\n *Retype\snew\s*\spassword:* %n\n *password\supdated\ssuccessfully* .

# This boolean controls whether PAM will be used for password changes
# when requested by an SMB client instead of the program listed in
# 'passwd program'. The default is 'no'.
   pam password change = yes

# This option controls how unsuccessful authentication attempts are mapped
# to anonymous connections
   map to guest = bad user

########## Domains ###########

#
# The following settings only takes effect if 'server role = classic
# primary domain controller', 'server role = classic backup domain controller'
# or 'domain logons' is set 
#

# It specifies the location of the user's
# profile directory from the client point of view) The following
# required a [profiles] share to be setup on the samba server (see
# below)
;   logon path = \\%N\profiles\%U
# Another common choice is storing the profile in the user's home directory
# (this is Samba's default)
#   logon path = \\%N\%U\profile

# The following setting only takes effect if 'domain logons' is set
# It specifies the location of a user's home directory (from the client
# point of view)
;   logon drive = H:
#   logon home = \\%N\%U

# The following setting only takes effect if 'domain logons' is set
# It specifies the script to run during logon. The script must be stored
# in the [netlogon] share
# NOTE: Must be store in 'DOS' file format convention
;   logon script = logon.cmd

# This allows Unix users to be created on the domain controller via the SAMR
# RPC pipe.  The example command creates a user account with a disabled Unix
# password; please adapt to your needs
; add user script = /usr/sbin/adduser --quiet --disabled-password --gecos "" %u

# This allows machine accounts to be created on the domain controller via the 
# SAMR RPC pipe.  
# The following assumes a "machines" group exists on the system
; add machine script  = /usr/sbin/useradd -g machines -c "%u machine account" -d /var/lib/samba -s /bin/false %u

# This allows Unix groups to be created on the domain controller via the SAMR
# RPC pipe.  
; add group script = /usr/sbin/addgroup --force-badname %g

############ Misc ############

# Using the following line enables you to customise your configuration
# on a per machine basis. The %m gets replaced with the netbios name
# of the machine that is connecting
;   include = /home/samba/etc/smb.conf.%m

# Some defaults for winbind (make sure you're not using the ranges
# for something else.)
;   idmap config * :              backend = tdb
;   idmap config * :              range   = 3000-7999
;   idmap config YOURDOMAINHERE : backend = tdb
;   idmap config YOURDOMAINHERE : range   = 100000-999999
;   template shell = /bin/bash

# Setup usershare options to enable non-root users to share folders
# with the net usershare command.

# Maximum number of usershare. 0 means that usershare is disabled.
#   usershare max shares = 100

# Allow users who've been granted usershare privileges to create
# public shares, not just authenticated ones
   usershare allow guests = yes

#======================= Share Definitions =======================

[homes]
   comment = Home Directories
   browseable = no

# By default, the home directories are exported read-only. Change the
# next parameter to 'no' if you want to be able to write to them.
   read only = yes

# File creation mask is set to 0700 for security reasons. If you want to
# create files with group=rw permissions, set next parameter to 0775.
   create mask = 0700

# Directory creation mask is set to 0700 for security reasons. If you want to
# create dirs. with group=rw permissions, set next parameter to 0775.
   directory mask = 0700

# By default, \\server\username shares can be connected to by anyone
# with access to the samba server.
# The following parameter makes sure that only "username" can connect
# to \\server\username
# This might need tweaking when using external authentication schemes
   valid users = %S

# Un-comment the following and create the netlogon directory for Domain Logons
# (you need to configure Samba to act as a domain controller too.)
;[netlogon]
;   comment = Network Logon Service
;   path = /home/samba/netlogon
;   guest ok = yes
;   read only = yes

# Un-comment the following and create the profiles directory to store
# users profiles (see the "logon path" option above)
# (you need to configure Samba to act as a domain controller too.)
# The path below should be writable by all users so that their
# profile directory may be created the first time they log on
;[profiles]
;   comment = Users profiles
;   path = /home/samba/profiles
;   guest ok = no
;   browseable = no
;   create mask = 0600
;   directory mask = 0700

[printers]
   comment = All Printers
   browseable = no
   path = /var/spool/samba
   printable = yes
   guest ok = no
   read only = yes
   create mask = 0700

# Windows clients look for this share name as a source of downloadable
# printer drivers
[print$]
   comment = Printer Drivers
   path = /var/lib/samba/printers
   browseable = yes
   read only = yes
   guest ok = no
# Uncomment to allow remote administration of Windows print drivers.
# You may need to replace 'lpadmin' with the name of the group your
# admin users are members of.
# Please note that you also need to set appropriate Unix permissions
# to the drivers directory for these users to have write rights in it
;   write list = root, @lpadmin


┌──(martino㉿kali)-[~]
└─$ netstat -tulnp | egrep 'nmbd|smbd'
(Not all processes could be identified, non-owned process info
 will not be shown, you would have to be root to see it all.)

┌──(martino㉿kali)-[~]
└─$ sudo netstat -tulnp | egrep 'nmbd|smbd'
tcp        0      0 0.0.0.0:445             0.0.0.0:*               LISTEN      1311/smbd           
tcp        0      0 0.0.0.0:139             0.0.0.0:*               LISTEN      1311/smbd           
tcp6       0      0 :::445                  :::*                    LISTEN      1311/smbd           
tcp6       0      0 :::139                  :::*                    LISTEN      1311/smbd           
udp        0      0 192.168.43.255:137      0.0.0.0:*                           1282/nmbd           
udp        0      0 192.168.43.114:137      0.0.0.0:*                           1282/nmbd           
udp        0      0 0.0.0.0:137             0.0.0.0:*                           1282/nmbd           
udp        0      0 192.168.43.255:138      0.0.0.0:*                           1282/nmbd           
udp        0      0 192.168.43.114:138      0.0.0.0:*                           1282/nmbd           
udp        0      0 0.0.0.0:138             0.0.0.0:*                           1282/nmbd           

┌──(martino㉿kali)-[~]
└─$ 
Share senza autenticazione:

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smbclient -L //localhost
Password for [WORKGROUP\martino]:

        Sharename       Type      Comment
        ---------       ----      -------
        print$          Disk      Printer Drivers
        IPC$            IPC       IPC Service (Samba 4.20.1-Debian)
        Documenti       Disk      
        martino         Disk      Home Directories
SMB1 disabled -- no workgroup available
Share con autenticazione:

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smbclient -U="martino" -L localhost
Password for [WORKGROUP\martino]:

        Sharename       Type      Comment
        ---------       ----      -------
        print$          Disk      Printer Drivers
        IPC$            IPC       IPC Service (Samba 4.20.1-Debian)
        Documenti       Disk      
        martino         Disk      Home Directories
SMB1 disabled -- no workgroup available

Re: Problema condivisione Samba

Inviato: mercoledì 3 luglio 2024, 14:43
da thece
Martin0 ha scritto:
29 minuti fa
Scusami these ma stavolta ti sbagli...
E uno ... non mi sembra che tu abbia modificato il file /etc/samba/smb.conf come ho indicato negli appunti